[v6] ASoC: tas2781: Add tas2781 driver

Message ID	20230324110755.27652-1-13916275206@139.com (mailing list archive)
State	Superseded
Headers	show Return-Path: <alsa-devel-bounces@alsa-project.org> From: Shenghao Ding <13916275206@139.com> To: broonie@kernel.org, lgirdwood@gmail.com, perex@perex.cz, pierre-louis.bossart@linux.intel.com Subject: [PATCH v6] ASoC: tas2781: Add tas2781 driver Date: Fri, 24 Mar 2023 19:07:55 +0800 Message-Id: <20230324110755.27652-1-13916275206@139.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Message-ID-Hash: CFABYH4ZMFGTFI7GVM7T757OEDHBM75D CC: kevin-lu@ti.com, shenghao-ding@ti.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, x1077012@ti.com, peeyush@ti.com, navada@ti.com, Shenghao Ding <13916275206@139.com> Precedence: list Archived-At: <https://mailman.alsa-project.org/hyperkitty/list/alsa-devel@alsa-project.org/message/CFABYH4ZMFGTFI7GVM7T757OEDHBM75D/>
Series	[v6] ASoC: tas2781: Add tas2781 driver \| expand [v6] ASoC: tas2781: Add tas2781 driver

Le 24/03/2023 à 12:07, Shenghao Ding a écrit : > Create tas2781 driver. > > Signed-off-by: Shenghao Ding <13916275206@139.com> > > --- > Changes in v6: > - use usleep_range as sleep functions. > - correct the typo > - -EINVAL instead of -1 > - fix very odd indentation in fw_parse_data_kernel > | Reported-by: kernel test robot <lkp@intel.com> > | Link: https://lore.kernel.org/oe-kbuild-all/202303220800.Pz99eL6X-lkp@intel.com/ > - tasdevice_i2c_probe: variable 'ret' is used uninitialized whenever 'if' condition is false > - remove odd mutex lock/unlock > - introduce the reverse xmas tree style for declaration list > Changes to be committed: > modified: sound/soc/codecs/Kconfig > modified: sound/soc/codecs/Makefile > new file: sound/soc/codecs/tas2781-dsp.c > new file: sound/soc/codecs/tas2781-dsp.h > new file: sound/soc/codecs/tas2781-i2c.c > new file: sound/soc/codecs/tas2781.h Hi, mostly some nits below, but maybe a few real issues also. Just my 2c. CJ > --- > sound/soc/codecs/Kconfig | 12 + > sound/soc/codecs/Makefile | 2 + > sound/soc/codecs/tas2781-dsp.c | 2242 ++++++++++++++++++++++++++++++++ > sound/soc/codecs/tas2781-dsp.h | 180 +++ > sound/soc/codecs/tas2781-i2c.c | 1621 +++++++++++++++++++++++ > sound/soc/codecs/tas2781.h | 160 +++ > 6 files changed, 4217 insertions(+) > create mode 100644 sound/soc/codecs/tas2781-dsp.c > create mode 100644 sound/soc/codecs/tas2781-dsp.h > create mode 100644 sound/soc/codecs/tas2781-i2c.c > create mode 100644 sound/soc/codecs/tas2781.h > > diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig > index 07747565c3b5..e1afe1ced5d7 100644 > --- a/sound/soc/codecs/Kconfig > +++ b/sound/soc/codecs/Kconfig > @@ -229,6 +229,7 @@ config SND_SOC_ALL_CODECS > imply SND_SOC_TAS2764 > imply SND_SOC_TAS2770 > imply SND_SOC_TAS2780 > + imply SND_SOC_TAS2781 > imply SND_SOC_TAS5086 > imply SND_SOC_TAS571X > imply SND_SOC_TAS5720 > @@ -1637,6 +1638,17 @@ config SND_SOC_TAS2780 > Enable support for Texas Instruments TAS2780 high-efficiency > digital input mono Class-D audio power amplifiers. > > +config SND_SOC_TAS2781 > + tristate "Texas Instruments TAS2781 speaker amplifier" > + depends on I2C > + select REGMAP_I2C > + select CRC8 > + help > + Enable support for Texas Instruments TAS2781 Smart Amplifier > + Digital input mono Class-D and DSP-inside audio power amplifiers. > + Note the TAS2781 driver implements a flexible and configurable > + algo coff setting, for one, two, even multiple TAS2781 chips. > + > config SND_SOC_TAS5086 > tristate "Texas Instruments TAS5086 speaker amplifier" > depends on I2C > diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile > index f1ca18f7946c..5559b9e9cc17 100644 > --- a/sound/soc/codecs/Makefile > +++ b/sound/soc/codecs/Makefile > @@ -262,6 +262,7 @@ snd-soc-tas5805m-objs := tas5805m.o > snd-soc-tas6424-objs := tas6424.o > snd-soc-tda7419-objs := tda7419.o > snd-soc-tas2770-objs := tas2770.o > +snd-soc-tas2781-objs := tas2781-i2c.o tas2781-dsp.o > snd-soc-tfa9879-objs := tfa9879.o > snd-soc-tfa989x-objs := tfa989x.o > snd-soc-tlv320adc3xxx-objs := tlv320adc3xxx.o > @@ -619,6 +620,7 @@ obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o > obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o > obj-$(CONFIG_SND_SOC_TAS2764) += snd-soc-tas2764.o > obj-$(CONFIG_SND_SOC_TAS2780) += snd-soc-tas2780.o > +obj-$(CONFIG_SND_SOC_TAS2781) += snd-soc-tas2781.o > obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o > obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o > obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o > diff --git a/sound/soc/codecs/tas2781-dsp.c b/sound/soc/codecs/tas2781-dsp.c > new file mode 100644 > index 000000000000..a0f5e958d7fe > --- /dev/null > +++ b/sound/soc/codecs/tas2781-dsp.c > @@ -0,0 +1,2242 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier > +// > +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated > +// https://www.ti.com > +// > +// The TAS2781 driver implements a flexible and configurable > +// algo coefficient setting for one, two, or even multiple > +// TAS2781 chips. > +// > +// Author: Shenghao Ding <shenghao-ding@ti.com> > +// Author: Kevin Lu <kevin-lu@ti.com> > +// > + > +#include <linux/crc8.h> > +#include <linux/firmware.h> > +#include <linux/fs.h> > +#include <linux/i2c.h> > +#include <linux/regmap.h> > +#include <linux/slab.h> > +#include <linux/string.h> > + > +#include "tas2781.h" > + > +#define ERROR_PRAM_CRCCHK 0x0000000 > +#define ERROR_YRAM_CRCCHK 0x0000001 > +#define PPC_DRIVER_CRCCHK 0x00000200 > + > +#define TAS2781_SA_COEFF_SWAP_REG TASDEVICE_REG(0, 0x35, 0x2c) > +#define TAS2781_YRAM_BOOK1 140 > +#define TAS2781_YRAM1_PAGE 42 > +#define TAS2781_YRAM1_START_REG 88 > + > +#define TAS2781_YRAM2_START_PAGE 43 > +#define TAS2781_YRAM2_END_PAGE 49 > +#define TAS2781_YRAM2_START_REG 8 > +#define TAS2781_YRAM2_END_REG 127 > + > +#define TAS2781_YRAM3_PAGE 50 > +#define TAS2781_YRAM3_START_REG 8 > +#define TAS2781_YRAM3_END_REG 27 > + > +/*should not include B0_P53_R44-R47 */ > +#define TAS2781_YRAM_BOOK2 0 > +#define TAS2781_YRAM4_START_PAGE 50 > +#define TAS2781_YRAM4_END_PAGE 60 > + > +#define TAS2781_YRAM5_PAGE 61 > +#define TAS2781_YRAM5_START_REG 8 > +#define TAS2781_YRAM5_END_REG 27 > + > +#define TASDEVICE_MAXPROGRAM_NUM_KERNEL 5 > +#define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS 64 > +#define TASDEVICE_MAXCONFIG_NUM_KERNEL 10 > +#define MAIN_ALL_DEVICES_1X 0x01 > +#define MAIN_DEVICE_A_1X 0x02 > +#define MAIN_DEVICE_B_1X 0x03 > +#define MAIN_DEVICE_C_1X 0x04 > +#define MAIN_DEVICE_D_1X 0x05 > +#define COEFF_DEVICE_A_1X 0x12 > +#define COEFF_DEVICE_B_1X 0x13 > +#define COEFF_DEVICE_C_1X 0x14 > +#define COEFF_DEVICE_D_1X 0x15 > +#define PRE_DEVICE_A_1X 0x22 > +#define PRE_DEVICE_B_1X 0x23 > +#define PRE_DEVICE_C_1X 0x24 > +#define PRE_DEVICE_D_1X 0x25 > + > +struct tas_crc { > + unsigned char offset; > + unsigned char len; > +}; > + > +const char deviceNumber[TASDEVICE_DSP_TAS_MAX_DEVICE] = { > + 1, 2, 1, 2, 1, 1, 0, 2, 4, 3, 1, 2, 3, 4 > +}; > + > +static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw, > + struct tasdev_blk *block, const struct firmware *fmw, int offset) > +{ > + const unsigned char *data = fmw->data; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->type = SMS_HTONL(data[offset], > + data[offset + 1], data[offset + 2], > + data[offset + 3]); > + offset += 4; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: PChkSumPresent error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->is_pchksum_present = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: mnPChkSum error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->pchksum = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: YChkSumPresent error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->is_ychksum_present = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: mnYChkSum error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->ychksum = data[offset]; > + offset++; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: blk_size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->blk_size = SMS_HTONL(data[offset], data[offset + 1], > + data[offset + 2], data[offset + 3]); > + offset += 4; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->nr_subblocks = SMS_HTONL(data[offset], data[offset + 1], > + data[offset + 2], data[offset + 3]); > + offset += 4; > + > + block->data = kzalloc(block->blk_size, GFP_KERNEL); > + if (!block->data) { > + offset = -EINVAL; > + goto out; > + } > + memcpy(block->data, &data[offset], block->blk_size); > + offset += block->blk_size; > +out: > + return offset; > +} > + > +static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw, > + struct tasdevice_data *img_data, const struct firmware *fmw, > + int offset) > +{ > + const unsigned char *data = fmw->data; > + struct tasdev_blk *blk; > + unsigned int nr_block; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + img_data->nr_blk = SMS_HTONL(data[offset], > + data[offset + 1], data[offset + 2], data[offset + 3]); > + offset += 4; > + > + img_data->dev_blks = > + kcalloc(img_data->nr_blk, sizeof(struct tasdev_blk), > + GFP_KERNEL); > + if (!img_data->dev_blks) { > + offset = -ENOMEM; > + goto out; > + } > + > + for (nr_block = 0; nr_block < img_data->nr_blk; nr_block++) { > + blk = &(img_data->dev_blks[nr_block]); > + offset = fw_parse_block_data_kernel(tas_fmw, blk, fmw, offset); > + if (offset < 0) { > + offset = -EINVAL; > + break; > + } > + } > +out: > + return offset; > +} > + > +static int fw_parse_program_data_kernel( > + struct tasdevice_priv *tas_dev, struct tasdevice_fw *tas_fmw, > + const struct firmware *fmw, int offset) > +{ > + struct tasdevice_prog *program; > + unsigned int nr_program; > + > + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { > + program = &(tas_fmw->programs[nr_program]); > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 64; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: AppMode error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "PDMI2SMode err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: ISnsPD error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: VSnsPD error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + //skip 3-byte reserved > + offset += 3; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PowerLDG err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + offset = fw_parse_data_kernel(tas_fmw, &(program->dev_data), > + fmw, offset); > + if (offset < 0) > + goto out; > + } > +out: > + return offset; > +} > + > +static int fw_parse_configuration_data_kernel( > + struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) > +{ > + const unsigned char *data = fmw->data; > + struct tasdevice_config *config; > + unsigned int nr_conf; > + > + for (nr_conf = 0; nr_conf < tas_fmw->nr_configurations; nr_conf++) { > + config = &(tas_fmw->configs[nr_conf]); > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + memcpy(config->name, &data[offset], 64); > + offset += 64; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "orientation err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Devices error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 1; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Program error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "SamplingRate err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PLLSrc error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: FsRate error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PLLRate err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + offset = fw_parse_data_kernel(tas_fmw, > + &(config->dev_data), fmw, offset); > + if (offset < 0) > + goto out; > + } > +out: > + return offset; > +} > + > +static int fw_parse_variable_header_kernel( > + struct tasdevice_priv *tas_dev, const struct firmware *fmw, int offset) > +{ > + struct tasdevice_fw *tas_fmw = tas_dev->fmw; > + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); > + struct tasdevice_prog *program; > + struct tasdevice_config *config; > + const unsigned char *buf = fmw->data; > + unsigned int nr_program, nr_configs; > + unsigned short max_confs; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device_family = SMS_HTONS(buf[offset], buf[offset + 1]); > + if (fw_hdr->device_family != 0) { > + dev_err(tas_dev->dev, "%s:not TAS device\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Device error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device = SMS_HTONS(buf[offset], buf[offset + 1]); > + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || > + fw_hdr->device == 6) { > + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + fw_hdr->ndev = deviceNumber[fw_hdr->device]; > + > + if (fw_hdr->ndev != tas_dev->ndev) { > + dev_err(tas_dev->dev, > + "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n", > + __func__, fw_hdr->ndev, tas_dev->ndev); > + offset = -EINVAL; > + goto out; > + } > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnPrograms error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + tas_fmw->nr_programs = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + > + if (tas_fmw->nr_programs == 0 || tas_fmw->nr_programs > > + TASDEVICE_MAXPROGRAM_NUM_KERNEL) { > + dev_err(tas_dev->dev, "%s: mnPrograms is invalid\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + if (offset + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpPrograms error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + tas_fmw->programs = kcalloc(tas_fmw->nr_programs, > + sizeof(struct tasdevice_prog), GFP_KERNEL); > + if (!tas_fmw->programs) { > + offset = -ENOMEM; > + goto out; > + } > + > + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { > + program = &(tas_fmw->programs[nr_program]); > + program->prog_size = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + } > + > + /* Skip the unused prog_size > + * nr_program == tas_fmw->nr_programs, nr_program is shorter than > + * tas_fmw->nr_programs, avoid more than 80 chars > + */ > + offset += (4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - nr_program)); > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Configurations error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + tas_fmw->nr_configurations = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + > + /* The max of conf for more than equal to 4 pcs of devices is different > + * from the one less than 4 pcs of tas2781s. > + */ > + max_confs = (fw_hdr->ndev >= 4) ? > + TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS : > + TASDEVICE_MAXCONFIG_NUM_KERNEL; > + if (tas_fmw->nr_configurations == 0 || > + tas_fmw->nr_configurations > max_confs) { > + dev_err(tas_dev->dev, "%s: Conf is invalid\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + if (offset + 4 * max_confs > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpConfigurations err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + tas_fmw->configs = kcalloc(tas_fmw->nr_configurations, > + sizeof(struct tasdevice_config), GFP_KERNEL); > + if (!tas_fmw->configs) { > + offset = -ENOMEM; > + goto out; > + } I've *not* checked in details, but in case of error the kcalloc() seems to me leaking in this function. (see the other kcalloc above) > + > + for (nr_configs = 0; nr_configs < tas_fmw->nr_programs; > + nr_configs++) { > + config = > + &(tas_fmw->configs[nr_configs]); > + config->cfg_size = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + offset += 4; > + } > + > + /* Skip the unused configs */ > + offset += 4 * (max_confs - nr_configs); > +out: > + return offset; > +} > + > +static int tasdevice_load_block_kernel( > + struct tasdevice_priv *tasdevice, struct tasdev_blk *block) > +{ > + struct tasdevice_dspfw_hdr *fw_hdr = &(tasdevice->fmw->fw_hdr); > + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr); > + const unsigned int blk_size = block->blk_size; > + unsigned int i, length; > + unsigned char *data = block->data; > + unsigned char dev_idx = 0; > + > + if (fw_fixed_hdr->ppcver >= PPC3_VERSION) { > + switch (block->type) { > + case MAIN_ALL_DEVICES_1X: > + dev_idx = 0x80; > + break; > + case MAIN_DEVICE_A_1X: > + dev_idx = 0x81; > + break; > + case COEFF_DEVICE_A_1X: > + case PRE_DEVICE_A_1X: > + dev_idx = 0xC1; > + break; > + case MAIN_DEVICE_B_1X: > + dev_idx = 0x82; > + break; > + case COEFF_DEVICE_B_1X: > + case PRE_DEVICE_B_1X: > + dev_idx = 0xC2; > + break; > + case MAIN_DEVICE_C_1X: > + dev_idx = 0x83; > + break; > + case COEFF_DEVICE_C_1X: > + case PRE_DEVICE_C_1X: > + dev_idx = 0xC3; > + break; > + case MAIN_DEVICE_D_1X: > + dev_idx = 0x84; > + break; > + case COEFF_DEVICE_D_1X: > + case PRE_DEVICE_D_1X: > + dev_idx = 0xC4; > + break; > + default: > + dev_info(tasdevice->dev, > + "%s: load block: Other Type = 0x%02x\n", > + __func__, block->type); > + break; > + } > + } else { > + switch (block->type) { > + case MAIN_ALL_DEVICES: > + dev_idx = 0|0x80; > + break; > + case MAIN_DEVICE_A: > + dev_idx = 0x81; > + break; > + case COEFF_DEVICE_A: > + case PRE_DEVICE_A: > + dev_idx = 0xC1; > + break; > + case MAIN_DEVICE_B: > + dev_idx = 0x82; > + break; > + case COEFF_DEVICE_B: > + case PRE_DEVICE_B: > + dev_idx = 0xC2; > + break; > + case MAIN_DEVICE_C: > + dev_idx = 0x83; > + break; > + case COEFF_DEVICE_C: > + case PRE_DEVICE_C: > + dev_idx = 0xC3; > + break; > + case MAIN_DEVICE_D: > + dev_idx = 0x84; > + break; > + case COEFF_DEVICE_D: > + case PRE_DEVICE_D: > + dev_idx = 0xC4; > + break; > + default: > + dev_info(tasdevice->dev, > + "%s: load block: Other Type = 0x%02x\n", > + __func__, block->type); > + break; > + } > + } > + > + for (i = 0, length = 0; i < block->nr_subblocks; i++) { > + int rc = tasdevice_process_block(tasdevice, data + length, > + dev_idx, blk_size - length); > + if (rc < 0) { > + dev_err(tasdevice->dev, > + "%s: %u %u sublock write error\n", > + __func__, length, blk_size); > + break; > + } > + length += (unsigned int)rc; > + if (blk_size < length) { > + dev_err(tasdevice->dev, > + "%s: %u %u out of boundary\n", > + __func__, length, blk_size); > + break; > + } > + } > + > + return 0; > +} > + > +static int fw_parse_variable_header_git(struct tasdevice_priv > + *tas_dev, const struct firmware *fmw, int offset) > +{ > + struct tasdevice_fw *tas_fmw = tas_dev->fmw; > + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); > + const unsigned char *buf = fmw->data; > + int len = strlen((char *)&buf[offset]); > + > + len++; > + > + if (offset + len > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + offset += len; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device_family = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + if (fw_hdr->device_family != 0) { > + dev_err(tas_dev->dev, "%s: not TAS device\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || > + fw_hdr->device == 6) { > + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + fw_hdr->ndev = deviceNumber[fw_hdr->device]; > + if (fw_hdr->ndev != tas_dev->ndev) { > + dev_err(tas_dev->dev, > + "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n", > + __func__, fw_hdr->ndev, > + tas_dev->ndev); > + offset = -EINVAL; > + } > + > +out: > + return offset; > +} > + > +static int fw_parse_variable_hdr_cal(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) > +{ > + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); > + const unsigned char *buf = fmw->data; > + int len = strlen((char *)&buf[offset]); > + > + len++; > + > + if (offset + len > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + > + offset += len; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: DeviceFamily error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device_family = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + if (fw_hdr->device_family != 0) { > + dev_err(tas_dev->dev, "%s: not TAS device\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Device error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_hdr->device = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || > + fw_hdr->device == 6) { > + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + fw_hdr->ndev = deviceNumber[fw_hdr->device]; > + if (fw_hdr->ndev != 1) { > + dev_err(tas_dev->dev, > + "%s: calbin must be 1, but currently ndev(%u)\n", > + __func__, fw_hdr->ndev); > + offset = -EINVAL; > + } > + > +out: > + return offset; > +} > + > +static inline void tas2781_clear_calfirmware(struct tasdevice_fw > + *tas_fmw) > +{ > + unsigned int blks; > + int i; > + > + if (tas_fmw->calibrations) { > + struct tasdevice_calibration *calibration; > + > + for (i = 0; i < tas_fmw->nr_calibrations; i++) { > + calibration = &(tas_fmw->calibrations[i]); > + if (calibration) { > + struct tasdevice_data *im = > + &(calibration->dev_data); > + > + if (im->dev_blks) { > + struct tasdev_blk *block; > + > + for (blks = 0; blks < im->nr_blk; > + blks++) { > + block = &(im->dev_blks[blks]); > + kfree(block->data); > + } > + kfree(im->dev_blks); > + } > + } > + } > + kfree(tas_fmw->calibrations); > + } > + kfree(tas_fmw); > +} > + > +static int fw_parse_block_data(struct tasdevice_fw *tas_fmw, > + struct tasdev_blk *block, const struct firmware *fmw, int offset) > +{ > + unsigned char *data = (unsigned char *)fmw->data; > + int n; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: Type error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->type = SMS_HTONL(data[offset], data[offset + 1], > + data[offset + 2], data[offset + 3]); > + offset += 4; > + > + if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= > + PPC_DRIVER_CRCCHK) { > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "PChkSumPresent error\n"); > + offset = -EINVAL; > + goto out; > + } > + block->is_pchksum_present = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: PChkSum error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->pchksum = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "YChkSumPresent error\n"); > + offset = -EINVAL; > + goto out; > + } > + block->is_ychksum_present = data[offset]; > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: YChkSum error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->ychksum = data[offset]; > + offset++; > + } else { > + block->is_pchksum_present = 0; > + block->is_ychksum_present = 0; > + } > + if (offset + 4 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: Commands error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + block->nr_cmds = SMS_HTONL(data[offset], data[offset + 1], > + data[offset + 2], data[offset + 3]); > + offset += 4; > + > + n = block->nr_cmds * 4; > + if (offset + n > fmw->size) { > + dev_err(tas_fmw->dev, > + "%s: File Size(%lu) error offset = %d n = %d\n", > + __func__, (unsigned long)fmw->size, offset, n); > + offset = -EINVAL; > + goto out; > + } > + block->data = kmemdup(&data[offset], n, GFP_KERNEL); > + if (!block->data) { > + offset = -ENOMEM; > + goto out; > + } > + offset += n; > +out: > + return offset; > +} > + > +static int fw_parse_data(struct tasdevice_fw *tas_fmw, > + struct tasdevice_data *img_data, const struct firmware *fmw, > + int offset) > +{ > + const unsigned char *data = (unsigned char *)fmw->data; > + struct tasdev_blk *blk; > + unsigned int nr_block; > + int n; > + > + if (offset + 64 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: Name error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + memcpy(img_data->name, &data[offset], 64); > + offset += 64; > + > + n = strlen((char *)&data[offset]); > + n++; > + if (offset + n > fmw->size) { > + dev_err(tas_fmw->dev, "%s: Description error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += n; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_fmw->dev, "%s: Blocks error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + img_data->nr_blk = SMS_HTONS(data[offset], data[offset + 1]); > + offset += 2; > + > + img_data->dev_blks = > + kcalloc(img_data->nr_blk, sizeof(struct tasdev_blk), > + GFP_KERNEL); > + if (!img_data->dev_blks) { > + offset = -ENOMEM; > + goto out; > + } > + for (nr_block = 0; nr_block < img_data->nr_blk; nr_block++) { > + blk = &(img_data->dev_blks[nr_block]); > + offset = fw_parse_block_data(tas_fmw, blk, fmw, offset); > + if (offset < 0) { > + offset = -EINVAL; > + goto out; > + } > + } > +out: > + return offset; > +} > + > +static int fw_parse_calibration_data(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) > +{ > + struct tasdevice_calibration *calibration; > + unsigned char *data = (unsigned char *)fmw->data; > + unsigned int nr_calibration = 0; > + unsigned int n; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Calibrations error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + tas_fmw->nr_calibrations = SMS_HTONS(data[offset], data[offset + 1]); > + offset += 2; > + > + if (tas_fmw->nr_calibrations != 1) { > + dev_err(tas_dev->dev, > + "%s: only support one calibraiton(%d)!\n", > + __func__, tas_fmw->nr_calibrations); > + goto out; > + } > + > + tas_fmw->calibrations = > + kcalloc(tas_fmw->nr_calibrations, > + sizeof(struct tasdevice_calibration), GFP_KERNEL); > + if (!tas_fmw->calibrations) { > + offset = -ENOMEM; > + goto out; > + } > + for (nr_calibration = 0; nr_calibration < tas_fmw->nr_calibrations; > + nr_calibration++) { > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "Calibrations error\n"); > + offset = -EINVAL; > + goto out; > + } > + calibration = &(tas_fmw->calibrations[nr_calibration]); > + offset += 64; > + > + n = strlen((char *)&data[offset]); > + n++; > + if (offset + n > fmw->size) { > + dev_err(tas_dev->dev, "Description err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset += n; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Prog err, offset = %d\n", > + __func__, offset); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Conf err, offset = %d\n", > + __func__, offset); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + offset = fw_parse_data(tas_fmw, &(calibration->dev_data), fmw, > + offset); > + if (offset < 0) > + goto out; > + } > + > +out: > + > + return offset; > +} > + > +static int fw_parse_program_data(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) > +{ > + unsigned char *buf = (unsigned char *)fmw->data; > + struct tasdevice_prog *program; > + int nr_program; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + tas_fmw->nr_programs = SMS_HTONS(buf[offset], buf[offset + 1]); > + offset += 2; > + > + if (tas_fmw->nr_programs == 0) { > + /*Not error in calibration Data file, return directly*/ > + dev_info(tas_dev->dev, "%s: No Programs data, maybe calbin\n", > + __func__); > + goto out; > + } > + > + tas_fmw->programs = > + kcalloc(tas_fmw->nr_programs, sizeof(struct tasdevice_prog), > + GFP_KERNEL); > + if (!tas_fmw->programs) { > + offset = -ENOMEM; > + goto out; > + } > + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { > + int n = 0; > + > + program = &(tas_fmw->programs[nr_program]); > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 64; > + > + n = strlen((char *)&buf[offset]); > + n++; > + if (offset + n > fmw->size) { > + dev_err(tas_dev->dev, "Description err\n"); > + offset = -EINVAL; > + goto out; > + } > + > + offset += n; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: AppMode err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "PDMI2SMode err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: ISnsPD error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: VSnsPD error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PowerLDG err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + offset = fw_parse_data(tas_fmw, &(program->dev_data), fmw, > + offset); > + if (offset < 0) > + goto out; > + } > +out: > + return offset; > +} > + > +static int fw_parse_configuration_data( > + struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, > + const struct firmware *fmw, int offset) > +{ > + unsigned char *data = (unsigned char *)fmw->data; > + struct tasdevice_config *config; > + unsigned int n_configs; > + int n; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + tas_fmw->nr_configurations = SMS_HTONS(data[offset], data[offset + 1]); > + offset += 2; > + > + if (tas_fmw->nr_configurations == 0) { > + dev_err(tas_dev->dev, "%s: Conf is zero\n", __func__); > + /*Not error for calibration Data file, return directly*/ > + goto out; > + } > + tas_fmw->configs = > + kcalloc(tas_fmw->nr_configurations, > + sizeof(struct tasdevice_config), GFP_KERNEL); > + if (!tas_fmw->configs) { > + offset = -ENOMEM; > + goto out; > + } > + for (n_configs = 0; n_configs < tas_fmw->nr_configurations; > + n_configs++) { > + config = > + &(tas_fmw->configs[n_configs]); > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + memcpy(config->name, &data[offset], 64); > + offset += 64; > + > + n = strlen((char *)&data[offset]); > + n++; > + if (offset + n > fmw->size) { > + dev_err(tas_dev->dev, "Description err\n"); > + offset = -EINVAL; > + goto out; > + } > + > + offset += n; > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "Device_orientation err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: Program err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "SampleRate err\n"); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + > + if (offset + 1 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PLLSrc err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset++; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: PLLRate err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + > + if (offset + 2 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnFsRate err\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 2; > + > + offset = fw_parse_data(tas_fmw, &(config->dev_data), > + fmw, offset); > + if (offset < 0) > + goto out; > + } > +out: > + return offset; > +} > + > +static int fw_parse_header(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) > +{ > + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); > + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr); > + const unsigned char magic_number[] = { 0x35, 0x35, 0x35, 0x32 }; > + const unsigned char *buf = (unsigned char *)fmw->data; > + > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + if (memcmp(&buf[offset], magic_number, 4)) { > + dev_err(tas_dev->dev, "%s: Magic num NOT match\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnFWSize error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_fixed_hdr->fwsize = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + if (fw_fixed_hdr->fwsize != fmw->size) { > + dev_err(tas_dev->dev, "File size not match, %lu %u", > + (unsigned long)fmw->size, fw_fixed_hdr->fwsize); > + offset = -EINVAL; > + goto out; > + } > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnChecksum error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnPPCVersion error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_fixed_hdr->ppcver = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnFWVersion error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnDriverVersion error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + fw_fixed_hdr->drv_ver = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + offset += 4; > + if (offset + 4 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mnTimeStamp error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 4; > + if (offset + 64 > fmw->size) { > + dev_err(tas_dev->dev, "%s: mpDDCName error\n", __func__); > + offset = -EINVAL; > + goto out; > + } > + offset += 64; > + > + out: > + return offset; > +} > + > +/* Return Code: > + * true -- the registers are in the inpage yram > + * false -- the registers are NOT in the inpage yram > + */ > +static bool check_inpage_yram(struct tas_crc *cd, unsigned char book, > + unsigned char page, unsigned char reg, unsigned char len) > +{ > + bool in = false; > + > + if (book == TAS2781_YRAM_BOOK1) { > + if (page == TAS2781_YRAM1_PAGE) { > + if (reg >= TAS2781_YRAM1_START_REG) { > + cd->offset = reg; > + cd->len = len; > + in = true; > + } else if (reg + len > TAS2781_YRAM1_START_REG) { > + cd->offset = TAS2781_YRAM1_START_REG; > + cd->len = > + len - (TAS2781_YRAM1_START_REG - reg); > + in = true; > + } > + } else if (page == TAS2781_YRAM3_PAGE) { > + if (reg <= TAS2781_YRAM3_END_REG && > + reg >= TAS2781_YRAM3_START_REG) { > + if ((reg + len) > TAS2781_YRAM3_END_REG) > + cd->len = > + TAS2781_YRAM3_END_REG - reg + 1; > + else > + cd->len = len; > + in = true; > + cd->offset = reg; > + } else if (reg < TAS2781_YRAM3_START_REG) { > + if (reg + len - 1 >= TAS2781_YRAM3_START_REG) { > + cd->offset = TAS2781_YRAM3_START_REG; > + cd->len = > + len - (TAS2781_YRAM3_START_REG - reg); > + in = true; > + } > + } > + } > + } else if (book == > + TAS2781_YRAM_BOOK2) { > + if (page == TAS2781_YRAM5_PAGE) { > + if (reg <= TAS2781_YRAM5_END_REG && > + reg >= TAS2781_YRAM5_START_REG) { > + if (reg + len > TAS2781_YRAM5_END_REG) > + cd->len = > + TAS2781_YRAM5_END_REG - reg + 1; > + else > + cd->len = len; > + cd->offset = reg; > + in = true; > + } else if (reg < TAS2781_YRAM5_START_REG) { > + if (reg + len - 1 >= TAS2781_YRAM5_START_REG) { > + cd->offset = TAS2781_YRAM5_START_REG; > + cd->len = > + len - (TAS2781_YRAM5_START_REG - reg); > + in = true; > + } > + } > + } > + } > + > + return in; > +} > + > + > +/* Return Code: > + * true -- the registers are in the inblock yram > + * false -- the registers are NOT in the inblock yram > + */ > +static bool check_inblock_yram(struct tas_crc *cd, unsigned char book, > + unsigned char page, unsigned char reg, unsigned char len) > +{ > + bool in = false; > + > + if (book == TAS2781_YRAM_BOOK1) { > + if (page >= TAS2781_YRAM2_START_PAGE && > + page <= TAS2781_YRAM2_END_PAGE) { > + if (reg <= TAS2781_YRAM2_END_REG && > + reg >= TAS2781_YRAM2_START_REG) { > + cd->offset = reg; > + cd->len = len; > + in = true; > + } else if (reg < TAS2781_YRAM2_START_REG) { > + if (reg + len - 1 >= > + TAS2781_YRAM2_START_REG) { > + cd->offset = > + TAS2781_YRAM2_START_REG; > + cd->len = > + reg + len - TAS2781_YRAM2_START_REG; > + in = true; Indentation does not look great. (same comment in the function above) > + } > + } > + } > + } else if (book == > + TAS2781_YRAM_BOOK2) { Keep the test on the same line? (same comment in the function above) > + if (page >= TAS2781_YRAM4_START_PAGE && > + page <= TAS2781_YRAM4_END_PAGE) { > + if (reg <= TAS2781_YRAM2_END_REG && > + reg >= TAS2781_YRAM2_START_REG) { > + cd->offset = reg; > + cd->len = len; > + in = true; > + } else if (reg < TAS2781_YRAM2_START_REG) { > + if (reg + len - 1 >= > + TAS2781_YRAM2_START_REG) { > + cd->offset = > + TAS2781_YRAM2_START_REG; > + cd->len = > + reg + len - TAS2781_YRAM2_START_REG; > + in = true; Indentation does not look great. > + } > + } > + } > + } > + > + return in; > +} > + > +static bool check_yram(struct tas_crc *cd, unsigned char book, > + unsigned char page, unsigned char reg, unsigned char len) > +{ > + bool in; > + > + in = check_inpage_yram(cd, book, page, reg, len); > + if (in == false) > + in = check_inblock_yram(cd, book, > + page, reg, len); > + > + return in; > +} > + > +static int do_singlereg_checksum(struct tasdevice_priv *tasdevice, > + enum channel chl, unsigned char book, unsigned char page, > + unsigned char reg, unsigned char val) > +{ > + struct tas_crc crc_data; > + unsigned int nData1; > + int ret; > + bool in; > + > + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) > + && (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) > + && (reg >= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) > + && (reg <= (TASDEVICE_PAGE_REG( > + TAS2781_SA_COEFF_SWAP_REG) + 4))) { > + /*DSP swap command, pass */ > + ret = 0; > + goto end; > + } > + > + in = check_yram(&crc_data, book, page, reg, 1); > + if (in) { if (!in) goto end; would save 1 level of indentation > + ret = tasdevice_dev_read(tasdevice, chl, > + TASDEVICE_REG(book, page, reg), &nData1); > + if (ret < 0) > + goto end; > + > + if (nData1 != val) { > + dev_err(tasdevice->dev, > + "B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n", > + book, page, reg, > + val, nData1); > + tasdevice->tasdevice[chl].err_code |= > + ERROR_YRAM_CRCCHK; > + ret = -EAGAIN; > + goto end; > + } > + > + ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0); > + } > + > +end: > + return ret; > +} > + > +static int do_multireg_checksum(struct tasdevice_priv *tasdevice, > + enum channel chn, unsigned char book, unsigned char page, > + unsigned char reg, unsigned int len) > +{ > + struct tas_crc crc_data; > + unsigned char crc_chksum = 0; > + unsigned char nBuf1[128]; > + int ret, i; > + bool in; > + > + if ((reg + len - 1) > 127) { > + ret = -EINVAL; > + dev_err(tasdevice->dev, "firmware error\n"); > + goto end; > + } > + > + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) > + && (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) > + && (reg == TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) > + && (len == 4)) { > + /*DSP swap command, pass */ > + ret = 0; > + goto end; > + } > + > + in = check_yram(&crc_data, book, page, reg, len); > + if (in) { if (!in) goto end; would save 1 level of indentation > + if (len == 1) { > + dev_err(tasdevice->dev, "firmware error\n"); > + ret = -EINVAL; > + goto end; > + } else { > + ret = tasdevice_dev_bulk_read(tasdevice, chn, > + TASDEVICE_REG(book, page, crc_data.offset), > + nBuf1, crc_data.len); > + if (ret < 0) > + goto end; > + > + for (i = 0; i < crc_data.len; i++) { > + if ((book == TASDEVICE_BOOK_ID( > + TAS2781_SA_COEFF_SWAP_REG)) > + && (page == TASDEVICE_PAGE_ID( > + TAS2781_SA_COEFF_SWAP_REG)) > + && ((i + crc_data.offset) > + >= TASDEVICE_PAGE_REG( > + TAS2781_SA_COEFF_SWAP_REG)) > + && ((i + crc_data.offset) > + <= (TASDEVICE_PAGE_REG( > + TAS2781_SA_COEFF_SWAP_REG) > + + 4))) { > + /*DSP swap command, bypass */ > + continue; > + } else > + crc_chksum += > + crc8(tasdevice->crc8_lkp_tbl, > + &nBuf1[i], 1, 0); > + } > + > + ret = crc_chksum; > + } > + } > + > +end: > + return ret; > +} > + > +static int tasdev_byte_chksum(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block, int chn, unsigned char book, > + unsigned char page, unsigned char reg, unsigned char val, > + unsigned char *crc_chksum) > +{ > + int ret = do_singlereg_checksum(tas_dev, chn, book, page, reg, val); > + > + if (ret > 0) { > + *crc_chksum += (unsigned char)ret; > + goto end; > + } > + > + if (ret == -EAGAIN) { > + block->nr_retry--; > + if (block->nr_retry <= 0) { > + if ((block->type == MAIN_ALL_DEVICES) > + || (block->type == MAIN_DEVICE_A) > + || (block->type == MAIN_DEVICE_B) > + || (block->type == MAIN_DEVICE_C) > + || (block->type == MAIN_DEVICE_D)) > + tas_dev->tasdevice[chn].cur_prog = -1; > + else > + tas_dev->tasdevice[chn].cur_conf = -1; > + } > + } > +end: > + return ret; > +} > + > +static int tasdev_multibyte_chksum(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block, int chn, unsigned char book, > + unsigned char page, unsigned char reg, unsigned int len, > + unsigned char *crc_chksum) > +{ > + int ret = do_multireg_checksum(tas_dev, chn, book, page, reg, len); > + > + if (ret > 0) { > + *crc_chksum += (unsigned char)ret; > + goto end; > + } > + > + if (ret == -EAGAIN) { > + block->nr_retry--; > + if (block->nr_retry <= 0) { > + if ((block->type == MAIN_ALL_DEVICES) > + || (block->type == MAIN_DEVICE_A) > + || (block->type == MAIN_DEVICE_B) > + || (block->type == MAIN_DEVICE_C) > + || (block->type == MAIN_DEVICE_D)) > + tas_dev->tasdevice[chn].cur_prog = -1; > + else > + tas_dev->tasdevice[chn].cur_conf = -1; > + } > + } > +end: > + return ret; > +} > + > +static int tasdev_multibytes_wr(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block, int chn, unsigned char book, > + unsigned char page, unsigned char reg, unsigned char *data, > + unsigned int len, unsigned int *nr_cmds, > + unsigned char *crc_chksum) > +{ > + int ret; > + > + if (len > 1) { > + ret = tasdevice_dev_bulk_write(tas_dev, chn, > + TASDEVICE_REG(book, page, reg), data + 3, len); > + if (ret < 0) > + goto end; > + if (block->is_ychksum_present) > + ret = tasdev_multibyte_chksum(tas_dev, block, chn, > + book, page, reg, len, crc_chksum); > + Uneeded new line. > + } else { > + ret = tasdevice_dev_write(tas_dev, > + chn, > + TASDEVICE_REG(book, page, > + reg), > + data[3]); > + if (ret < 0) > + goto end; > + if (block->is_ychksum_present) > + ret = tasdev_byte_chksum(tas_dev, block, chn, book, > + page, reg, data[3], crc_chksum); > + } > + > + if (!block->is_ychksum_present || ret >= 0) { > + *nr_cmds += 1; > + if (len >= 2) > + *nr_cmds += ((len - 2) / 4) + 1; > + } > + > +end: > + return ret; > +} > + > +static int tasdev_block_chksum(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block, int chn) > +{ > + unsigned int nr_value; > + int ret; > + > + ret = tasdevice_dev_read(tas_dev, chn, TASDEVICE_I2CChecksum, > + &nr_value); > + if (ret < 0) { > + dev_err(tas_dev->dev, "%s: Chn %d\n", __func__, chn); > + if ((block->type == MAIN_ALL_DEVICES) > + || (block->type == MAIN_DEVICE_A) > + || (block->type == MAIN_DEVICE_B) > + || (block->type == MAIN_DEVICE_C) > + || (block->type == MAIN_DEVICE_D)) > + tas_dev->tasdevice[chn].cur_prog = -1; > + else > + tas_dev->tasdevice[chn].cur_conf = -1; > + goto end; > + } > + > + if ((nr_value & 0xff) != block->pchksum) { > + dev_err(tas_dev->dev, "%s: Blk PChkSum Chn %d ", __func__, > + chn); > + dev_err(tas_dev->dev, "PChkSum = 0x%x, Reg = 0x%x\n", > + block->pchksum, (nr_value & 0xff)); > + tas_dev->tasdevice[chn].err_code |= ERROR_PRAM_CRCCHK; > + ret = -EAGAIN; > + block->nr_retry--; > + > + if (block->nr_retry <= 0) { > + if ((block->type == MAIN_ALL_DEVICES) > + || (block->type == MAIN_DEVICE_A) > + || (block->type == MAIN_DEVICE_B) > + || (block->type == MAIN_DEVICE_C) > + || (block->type == MAIN_DEVICE_D)) > + tas_dev->tasdevice[chn].cur_prog = -1; > + else > + tas_dev->tasdevice[chn].cur_conf = -1; > + } > + } else > + tas_dev->tasdevice[chn].err_code &= ~ERROR_PRAM_CRCCHK; > +end: > + return ret; > +} > + > +static int tasdev_load_blk(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block, int chn) > +{ > + unsigned int sleep_time; > + unsigned int len; > + unsigned int nr_cmds; > + unsigned char *data = block->data; > + unsigned char crc_chksum = 0; > + unsigned char offset; > + unsigned char book; > + unsigned char page; > + unsigned char val; > + int ret = 0; > + > + while (block->nr_retry > 0) { > + if (block->is_pchksum_present) { > + ret = tasdevice_dev_write(tas_dev, chn, > + TASDEVICE_I2CChecksum, 0); > + if (ret < 0) > + break; > + } > + > + if (block->is_ychksum_present) > + crc_chksum = 0; > + > + nr_cmds = 0; > + > + while (nr_cmds < block->nr_cmds) { > + data = block->data + nr_cmds * 4; > + > + book = data[0]; > + page = data[1]; > + offset = data[2]; > + val = data[3]; > + > + nr_cmds++; > + /*Single byte write*/ > + if (offset <= 0x7F) { > + ret = tasdevice_dev_write(tas_dev, chn, > + TASDEVICE_REG(book, page, offset), > + val); > + if (ret < 0) > + goto end; > + if (block->is_ychksum_present) { > + ret = tasdev_byte_chksum(tas_dev, > + block, chn, book, page, offset, > + val, &crc_chksum); > + if (ret < 0) > + break; > + } > + continue; > + } > + /*sleep command*/ > + if (offset == 0x81) { > + /*book -- data[0] page -- data[1]*/ > + sleep_time = ((book << 8) + page)*1000; > + usleep_range(sleep_time, sleep_time + 50); > + continue; > + } > + /*Multiple bytes write*/ > + if (offset == 0x85) { > + data += 4; > + len = (book << 8) + page; > + book = data[0]; > + page = data[1]; > + offset = data[2]; > + ret = tasdev_multibytes_wr(tas_dev, block, chn, > + book, page, offset, data, len, > + &nr_cmds, &crc_chksum); > + if (ret < 0) > + break; > + } > + } > + if (ret == -EAGAIN) { > + if (block->nr_retry > 0) > + continue; > + } else if (ret < 0) /*err in current device, skip it*/ > + break; > + > + if (block->is_pchksum_present) { > + ret = tasdev_block_chksum(tas_dev, block, chn); > + if (ret == -EAGAIN) { > + if (block->nr_retry > 0) > + continue; > + } else if (ret < 0) /*err in current device, skip it*/ > + break; > + } > + > + if (block->is_ychksum_present) { > + /* TBD, open it when FW ready */ > + dev_err(tas_dev->dev, > + "Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n", > + block->ychksum, crc_chksum); > + > + tas_dev->tasdevice[chn].err_code &= > + ~ERROR_YRAM_CRCCHK; > + ret = 0; > + } > + /*skip current blk*/ Missing spaces (same above) > + break; > + } > +end: > + return ret; > +} > + > +static int tasdevice_load_block(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *block) > +{ > + int chnend = 0; > + int ret = 0; > + int chn = 0; > + int rc = 0; > + > + switch (block->type) { > + case MAIN_ALL_DEVICES: > + chn = 0; > + chnend = tas_dev->ndev; > + break; > + case MAIN_DEVICE_A: > + case COEFF_DEVICE_A: > + case PRE_DEVICE_A: > + chn = 0; > + chnend = 1; > + break; > + case MAIN_DEVICE_B: > + case COEFF_DEVICE_B: > + case PRE_DEVICE_B: > + chn = 1; > + chnend = 2; > + break; > + case MAIN_DEVICE_C: > + case COEFF_DEVICE_C: > + case PRE_DEVICE_C: > + chn = 2; > + chnend = 3; > + break; > + case MAIN_DEVICE_D: > + case COEFF_DEVICE_D: > + case PRE_DEVICE_D: > + chn = 3; > + chnend = 4; > + break; > + default: > + dev_dbg(tas_dev->dev, "load blk: Other Type = 0x%02x\n", > + block->type); > + break; > + } > + > + for (; chn < chnend; chn++) { > + block->nr_retry = 6; > + if (tas_dev->tasdevice[chn].is_loading == false) > + continue; > + ret = tasdev_load_blk(tas_dev, block, chn); > + if (ret < 0) > + dev_err(tas_dev->dev, "dev %d, Blk (%d) load error\n", > + chn, block->type); > + rc |= ret; > + } > + > + return rc; > +} > + > +static int tasdevice_load_data(struct tasdevice_priv *tas_dev, > + struct tasdevice_data *dev_data) > +{ > + struct tasdev_blk *block; > + unsigned int nr_block; > + int ret = 0; > + > + for (nr_block = 0; nr_block < dev_data->nr_blk; nr_block++) { > + block = &(dev_data->dev_blks[nr_block]); > + ret = tas_dev->tasdevice_load_block(tas_dev, block); > + if (ret < 0) > + break; > + } > + > + return ret; > +} > + > +static int tasdevice_load_calibrated_data( > + struct tasdevice_priv *tas_dev, struct tasdevice_data *dev_data) > +{ > + struct tasdev_blk *block; > + unsigned int nr_block; > + int ret = 0; > + > + for (nr_block = 0; nr_block < dev_data->nr_blk; nr_block++) { > + block = &(dev_data->dev_blks[nr_block]); > + ret = tasdevice_load_block(tas_dev, block); > + if (ret < 0) > + break; > + } > + > + return ret; > +} > + > +int tas2781_load_calibration(void *context, > + char *file_name, enum channel i) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; > + struct tasdevice *tasdev = &(tas_dev->tasdevice[i]); > + const struct firmware *fw_entry; > + struct tasdevice_fw *tas_fmw; > + struct firmware fmw; > + int ret, offset = 0; > + > + ret = request_firmware(&fw_entry, file_name, tas_dev->dev); > + if (!ret) { If testing 'ret', the 2 blocks below would be reversed and it would save 1 level of indentation. > + if (!fw_entry->size) { > + dev_err(tas_dev->dev, > + "%s: file read error: size = %lu\n", > + __func__, (unsigned long)fw_entry->size); > + goto out; > + } > + fmw.size = fw_entry->size; > + fmw.data = fw_entry->data; > + } else { > + dev_info(tas_dev->dev, > + "%s: Request firmware %s failed\n", > + __func__, file_name); > + goto out; > + } > + > + tas_fmw = tasdev->cali_data_fmw = kcalloc(1, > + sizeof(struct tasdevice_fw), GFP_KERNEL); > + if (!tasdev->cali_data_fmw) { > + dev_err(tas_dev->dev, "%s: FW memory failed!\n", __func__); useless error message? > + ret = -ENOMEM; > + goto out; > + } > + tas_fmw->dev = tas_dev->dev; > + offset = fw_parse_header(tas_dev, tas_fmw, &fmw, offset); > + if (offset == -EINVAL) { > + dev_err(tas_dev->dev, "%s: fw_parse_header EXIT!\n", __func__); > + ret = offset; > + goto out; > + } > + offset = fw_parse_variable_hdr_cal(tas_dev, tas_fmw, &fmw, offset); > + if (offset == -EINVAL) { > + dev_err(tas_dev->dev, > + "%s: fw_parse_variable_header_cal EXIT!\n", __func__); > + ret = offset; > + goto out; > + } > + offset = fw_parse_program_data(tas_dev, tas_fmw, &fmw, offset); > + if (offset < 0) { > + dev_err(tas_dev->dev, "fw_parse_program_data EXIT!\n"); > + ret = offset; > + goto out; > + } > + offset = fw_parse_configuration_data(tas_dev, tas_fmw, &fmw, > + offset); > + if (offset < 0) { > + dev_err(tas_dev->dev, "fw_parse_configuration_data EXIT!\n"); > + ret = offset; > + goto out; > + } > + offset = fw_parse_calibration_data(tas_dev, > + tas_fmw, &fmw, offset); > + if (offset < 0) { > + dev_err(tas_dev->dev, "fw_parse_calibration_data EXIT!\n"); > + ret = offset; > + goto out; > + } > + tasdev->is_calibrated_data_loaded = true; > +out: > + if (fw_entry) { > + release_firmware(fw_entry); > + fw_entry = NULL; > + } > + return ret; > +} > + > +int tasdevice_dspfw_ready(const struct firmware *fmw, void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr; > + struct tasdevice_fw *tas_fmw; > + int offset = 0; > + int ret = 0; > + > + if (!fmw || !fmw->data) { > + dev_err(tas_dev->dev, "%s: Failed to read firmware %s\n", > + __func__, tas_dev->coef_binaryname); > + ret = -EINVAL; > + goto out; > + } > + > + tas_dev->fmw = kcalloc(1, sizeof(struct tasdevice_fw), GFP_KERNEL); Why? kzalloc()? > + if (!tas_dev->fmw) { > + ret = -ENOMEM; > + goto out; > + } > + tas_fmw = tas_dev->fmw; > + tas_fmw->dev = tas_dev->dev; > + offset = fw_parse_header(tas_dev, tas_fmw, fmw, offset); > + > + if (offset == -EINVAL) > + goto out; > + fw_fixed_hdr = &(tas_fmw->fw_hdr.fixed_hdr); > + switch (fw_fixed_hdr->drv_ver) { > + case 0x301: > + case 0x302: > + case 0x502: > + tas_dev->fw_parse_variable_header = > + fw_parse_variable_header_kernel; > + tas_dev->fw_parse_program_data = > + fw_parse_program_data_kernel; > + tas_dev->fw_parse_configuration_data = > + fw_parse_configuration_data_kernel; > + tas_dev->tasdevice_load_block = > + tasdevice_load_block_kernel; > + break; > + case 0x202: > + case 0x400: > + tas_dev->fw_parse_variable_header = > + fw_parse_variable_header_git; > + tas_dev->fw_parse_program_data = > + fw_parse_program_data; > + tas_dev->fw_parse_configuration_data = > + fw_parse_configuration_data; > + tas_dev->tasdevice_load_block = > + tasdevice_load_block; > + break; > + default: > + if (fw_fixed_hdr->drv_ver == 0x100) { > + if (fw_fixed_hdr->ppcver >= PPC3_VERSION) { > + tas_dev->fw_parse_variable_header = > + fw_parse_variable_header_kernel; > + tas_dev->fw_parse_program_data = > + fw_parse_program_data_kernel; > + tas_dev->fw_parse_configuration_data = > + fw_parse_configuration_data_kernel; > + tas_dev->tasdevice_load_block = > + tasdevice_load_block_kernel; > + } else { > + switch (fw_fixed_hdr->ppcver) { > + case 0x00: > + tas_dev->fw_parse_variable_header = > + fw_parse_variable_header_git; > + tas_dev->fw_parse_program_data = > + fw_parse_program_data; > + tas_dev->fw_parse_configuration_data = > + fw_parse_configuration_data; > + tas_dev->tasdevice_load_block = > + tasdevice_load_block; > + break; > + default: > + dev_err(tas_dev->dev, > + "%s: PPCVersion must be 0x0 or 0x%02x", > + __func__, PPC3_VERSION); > + dev_err(tas_dev->dev, " Current:0x%02x\n", > + fw_fixed_hdr->ppcver); > + offset = -EINVAL; > + break; > + } > + } > + } else { > + dev_err(tas_dev->dev, > + "DriverVersion must be 0x0, 0x230 or above 0x230 "); > + dev_err(tas_dev->dev, "current is 0x%02x\n", > + fw_fixed_hdr->drv_ver); > + offset = -EINVAL; > + } > + break; > + } Looks really odd. Missing indentation for the whole if/else blocks above? > + > + offset = tas_dev->fw_parse_variable_header(tas_dev, fmw, offset); > + if (offset < 0) { > + ret = offset; > + goto out; > + } > + offset = tas_dev->fw_parse_program_data(tas_dev, tas_fmw, fmw, > + offset); > + if (offset < 0) { > + ret = offset; > + goto out; > + } > + offset = tas_dev->fw_parse_configuration_data(tas_dev, > + tas_fmw, fmw, offset); > + if (offset < 0) > + ret = offset; > + > +out: > + return ret; > +} > + > +void tasdevice_calbin_remove(void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + struct tasdevice *tasdev; > + int i; > + > + if (tas_dev) { if (!tas_dev) return; would save some indentation. > + for (i = 0; i < tas_dev->ndev; i++) { > + tasdev = &(tas_dev->tasdevice[i]); > + if (tasdev->cali_data_fmw) { > + tas2781_clear_calfirmware( > + tasdev->cali_data_fmw); > + tasdev->cali_data_fmw = NULL; > + } > + } > + } > +} > + > +static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog) > +{ > + struct tasdevice_data *im; > + struct tasdev_blk *blk; > + unsigned int nr_blk; > + > + if (prog) { if (!prog) return; would save some indentation. > + im = &(prog->dev_data); > + > + if (!im->dev_blks) > + return; > + > + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { > + blk = &(im->dev_blks[nr_blk]); > + kfree(blk->data); > + } > + kfree(im->dev_blks); > + } > +} > + > +static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog, > + unsigned short nr) > +{ > + int i; > + > + for (i = 0; i < nr; i++) > + tasdev_dsp_prog_blk_remove(&prog[i]); > + kfree(prog); > +} > + > +static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg) > +{ > + struct tasdevice_data *im; > + struct tasdev_blk *blk; > + unsigned int nr_blk; > + > + if (cfg) { > + im = &(cfg->dev_data); > + > + if (!im->dev_blks) > + return; > + > + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { > + blk = &(im->dev_blks[nr_blk]); > + kfree(blk->data); > + } > + kfree(im->dev_blks); > + } > +} > + > +static void tasdev_dsp_cfg_remove(struct tasdevice_config *config, > + unsigned short nr) > +{ > + int i; > + > + for (i = 0; i < nr; i++) > + tasdev_dsp_cfg_blk_remove(&config[i]); > + kfree(config); > +} > + > +void tasdevice_dsp_remove(void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + > + if (tas_dev->fmw) { > + struct tasdevice_fw *tas_fmw = tas_dev->fmw; > + > + if (tas_fmw->programs) > + tasdev_dsp_prog_remove(tas_fmw->programs, > + tas_fmw->nr_programs); > + if (tas_fmw->configs) > + tasdev_dsp_cfg_remove(tas_fmw->configs, > + tas_fmw->nr_configurations); > + kfree(tas_fmw); > + tas_dev->fmw = NULL; > + } > +} > + > +static int tas2781_set_calibration(void *context, enum channel i, > + int n_calibration) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + struct tasdevice *tasdevice = &(tas_dev->tasdevice[i]); > + struct tasdevice_fw *cal_fmw = tasdevice->cali_data_fmw; > + int ret = 0; > + > + if ((!tas_dev->fmw->programs) || (!tas_dev->fmw->configs)) { > + dev_err(tas_dev->dev, "%s, Firmware not loaded\n\r", __func__); > + ret = 0; > + goto out; > + } > + > + if (n_calibration == 0xFF || (n_calibration == 0x100 > + && tasdevice->is_calibrated_data_loaded == false)) { > + if (cal_fmw) { > + tasdevice->is_calibrated_data_loaded = false; > + tas2781_clear_calfirmware(cal_fmw); > + cal_fmw = NULL; > + } > + > + scnprintf(tas_dev->cal_binaryname[i], 64, "%s_cal_0x%02x.bin", > + tas_dev->dev_name, tas_dev->tasdevice[i].dev_addr); > + ret = tas2781_load_calibration(tas_dev, > + tas_dev->cal_binaryname[i], i); > + if (ret != 0) { > + dev_err(tas_dev->dev, > + "%s: load %s error, no-side effect\n", > + __func__, tas_dev->cal_binaryname[i]); > + ret = 0; In tasdevice_rca_ready(), a similar code also have a: tas_dev->is_glb_calibrated_data_loaded = false; is it needed here? > + } > + } > + tasdevice->is_loading = true; > + tasdevice->is_loaderr = false; > + > + if (cal_fmw) { > + struct tasdevice_calibration *calibration = > + cal_fmw->calibrations; > + > + if (calibration) > + tasdevice_load_calibrated_data(tas_dev, > + &(calibration->dev_data)); > + } else > + dev_err(tas_dev->dev, "%s: No calibrated data for dev %d\n", > + __func__, i); > + > +out: > + return ret; > +} > + > +int tasdevice_select_tuningprm_cfg(void *context, int prm_no, > + int cfg_no, int rca_conf_no) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + struct tasdevice_rca *rca = &(tas_dev->rcabin); > + struct tasdevice_config_info **cfg_info = rca->cfg_info; > + struct tasdevice_fw *tas_fmw = tas_dev->fmw; > + struct tasdevice_prog *program; > + struct tasdevice_config *conf; > + int prog_status = 0; > + int status, i; > + > + if (!tas_fmw) { > + dev_err(tas_dev->dev, "%s: Firmware is NULL\n", __func__); > + goto out; > + } > + > + if (cfg_no >= tas_fmw->nr_configurations) { > + dev_err(tas_dev->dev, > + "%s: cfg(%d) is not in range of conf %u\n", > + __func__, cfg_no, tas_fmw->nr_configurations); > + goto out; > + } > + > + if (prm_no >= tas_fmw->nr_programs) { > + dev_err(tas_dev->dev, > + "%s: prm(%d) is not in range of Programs %u\n", > + __func__, prm_no, tas_fmw->nr_programs); > + goto out; > + } > + > + if (rca_conf_no > rca->ncfgs || rca_conf_no <= 0 || > + !cfg_info) { > + dev_err(tas_dev->dev, > + "conf_no:%d should be in range from 0 to %u\n", > + rca_conf_no, rca->ncfgs-1); > + goto out; > + } > + > + conf = &(tas_fmw->configs[cfg_no]); > + for (i = 0, prog_status = 0; i < tas_dev->ndev; i++) { > + if (cfg_info[rca_conf_no]->active_dev & (1 << i)) { > + if (tas_dev->tasdevice[i].cur_prog != prm_no) { > + tas_dev->tasdevice[i].cur_conf = -1; > + tas_dev->tasdevice[i].is_loading = true; > + prog_status++; > + } > + } else > + tas_dev->tasdevice[i].is_loading = false; > + tas_dev->tasdevice[i].is_loaderr = false; > + } > + > + if (prog_status) { > + program = &(tas_fmw->programs[prm_no]); > + tasdevice_load_data(tas_dev, &(program->dev_data)); > + for (i = 0; i < tas_dev->ndev; i++) { > + if (tas_dev->tasdevice[i].is_loaderr == true) > + continue; > + else if (tas_dev->tasdevice[i].is_loaderr == false > + && tas_dev->tasdevice[i].is_loading == true) { > + struct tasdevice_fw *cal_fmw = > + tas_dev->tasdevice[i].cali_data_fmw; > + > + if (cal_fmw) { > + struct tasdevice_calibration > + *calibration = > + cal_fmw->calibrations; > + > + if (calibration) > + tasdevice_load_calibrated_data( > + tas_dev, > + &(calibration->dev_data)); > + } > + tas_dev->tasdevice[i].cur_prog = prm_no; > + } > + } > + } > + > + if (tas_dev->is_glb_calibrated_data_loaded == false) { > + for (i = 0; i < tas_dev->ndev; i++) > + tas2781_set_calibration(tas_dev, i, 0x100); > + tas_dev->is_glb_calibrated_data_loaded = true; > + /* Unwise to reload calibrationdata everytime, > + * this code will work once even if calibrated > + * data still failed to be got > + */ > + } > + > + for (i = 0, status = 0; i < tas_dev->ndev; i++) { > + if (tas_dev->tasdevice[i].cur_conf != cfg_no > + && (cfg_info[rca_conf_no]->active_dev & (1 << i)) > + && (tas_dev->tasdevice[i].is_loaderr == false)) { > + status++; > + tas_dev->tasdevice[i].is_loading = true; > + } else > + tas_dev->tasdevice[i].is_loading = false; > + } > + > + if (status) { > + status = 0; > + tasdevice_load_data(tas_dev, &(conf->dev_data)); > + for (i = 0; i < tas_dev->ndev; i++) { > + if (tas_dev->tasdevice[i].is_loaderr == true) { > + status |= 1 << (i + 4); > + continue; > + } else if (tas_dev->tasdevice[i].is_loaderr == false > + && tas_dev->tasdevice[i].is_loading == true) > + tas_dev->tasdevice[i].cur_conf = cfg_no; > + } > + } else > + dev_err(tas_dev->dev, > + "%s: No device is in active in conf %d\n", > + __func__, rca_conf_no); > + > + status |= cfg_info[rca_conf_no]->active_dev; > +out: > + return prog_status; > +} > diff --git a/sound/soc/codecs/tas2781-dsp.h b/sound/soc/codecs/tas2781-dsp.h > new file mode 100644 > index 000000000000..6c6480fb14b1 > --- /dev/null > +++ b/sound/soc/codecs/tas2781-dsp.h > @@ -0,0 +1,180 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +// > +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier > +// > +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated > +// https://www.ti.com > +// > +// The TAS2781 driver implements a flexible and configurable > +// algo coefficient setting for one, two, or even multiple > +// TAS2781 chips. > +// > +// Author: Shenghao Ding <shenghao-ding@ti.com> > +// Author: Kevin Lu <kevin-lu@ti.com> > +// > + > +#ifndef __TASDEVICE_DSP_H__ > +#define __TASDEVICE_DSP_H__ > + > +#define MAIN_ALL_DEVICES 0x0d > +#define MAIN_DEVICE_A 0x01 > +#define MAIN_DEVICE_B 0x08 > +#define MAIN_DEVICE_C 0x10 > +#define MAIN_DEVICE_D 0x14 > +#define COEFF_DEVICE_A 0x03 > +#define COEFF_DEVICE_B 0x0a > +#define COEFF_DEVICE_C 0x11 > +#define COEFF_DEVICE_D 0x15 > +#define PRE_DEVICE_A 0x04 > +#define PRE_DEVICE_B 0x0b > +#define PRE_DEVICE_C 0x12 > +#define PRE_DEVICE_D 0x16 > + > +#define PPC3_VERSION 0x4100 > +#define RCA_CONFIGID_BYPASS_ALL 0 > +#define TASDEVICE_DEVICE_SUM 8 > +#define TASDEVICE_CONFIG_SUM 64 > + > +enum channel { > + top_left_Chn, > + top_right_chn, > + bottom_left_Chn, > + bottom_right_chn, > + max_chn, > +}; > + > +enum tasdevice_dsp_dev_idx { > + TASDEVICE_DSP_TAS_2555 = 0, > + TASDEVICE_DSP_TAS_2555_STEREO, > + TASDEVICE_DSP_TAS_2557_MONO, > + TASDEVICE_DSP_TAS_2557_DUAL_MONO, > + TASDEVICE_DSP_TAS_2559, > + TASDEVICE_DSP_TAS_2563, > + TASDEVICE_DSP_TAS_2563_DUAL_MONO = 7, > + TASDEVICE_DSP_TAS_2563_QUAD, > + TASDEVICE_DSP_TAS_2563_21, > + TASDEVICE_DSP_TAS_2781, > + TASDEVICE_DSP_TAS_2781_DUAL_MONO, > + TASDEVICE_DSP_TAS_2781_21, > + TASDEVICE_DSP_TAS_2781_QUAD, > + TASDEVICE_DSP_TAS_MAX_DEVICE > +}; > + > +struct tasdevice_fw_fixed_hdr { > + unsigned int fwsize; > + unsigned int ppcver; > + unsigned int drv_ver; > +}; > + > +struct tasdevice_dspfw_hdr { > + struct tasdevice_fw_fixed_hdr fixed_hdr; > + unsigned short device_family; > + unsigned short device; > + unsigned char ndev; > +}; > + > +struct tasdev_blk { > + int nr_retry; > + unsigned int type; > + unsigned char is_pchksum_present; > + unsigned char pchksum; > + unsigned char is_ychksum_present; > + unsigned char ychksum; > + unsigned int nr_cmds; > + unsigned int blk_size; > + unsigned int nr_subblocks; > + unsigned char *data; > +}; > + > +struct tasdevice_data { > + char name[64]; > + unsigned int nr_blk; > + struct tasdev_blk *dev_blks; > +}; > +struct tasdevice_prog { > + unsigned int prog_size; > + struct tasdevice_data dev_data; > +}; > + > +struct tasdevice_config { > + unsigned int cfg_size; > + char name[64]; > + struct tasdevice_data dev_data; > +}; > + > +struct tasdevice_calibration { > + struct tasdevice_data dev_data; > +}; > + > +struct tasdevice_fw { > + struct tasdevice_dspfw_hdr fw_hdr; > + unsigned short nr_programs; > + struct tasdevice_prog *programs; > + unsigned short nr_configurations; > + struct tasdevice_config *configs; > + unsigned short nr_calibrations; > + struct tasdevice_calibration *calibrations; > + struct device *dev; > +}; > + > +enum tasdevice_dsp_fw_state { > + TASDEVICE_DSP_FW_NONE = 0, > + TASDEVICE_DSP_FW_PENDING, > + TASDEVICE_DSP_FW_FAIL, > + TASDEVICE_DSP_FW_ALL_OK, > +}; > + > +enum tasdevice_bin_blk_type { > + TASDEVICE_BIN_BLK_COEFF = 1, > + TASDEVICE_BIN_BLK_POST_POWER_UP, > + TASDEVICE_BIN_BLK_PRE_SHUTDOWN, > + TASDEVICE_BIN_BLK_PRE_POWER_UP, > + TASDEVICE_BIN_BLK_POST_SHUTDOWN > +}; > + > +struct tasdevice_rca_hdr { > + unsigned int img_sz; > + unsigned int checksum; > + unsigned int binary_version_num; > + unsigned int drv_fw_version; > + unsigned char plat_type; > + unsigned char dev_family; > + unsigned char reserve; > + unsigned char ndev; > + unsigned char devs[TASDEVICE_DEVICE_SUM]; > + unsigned int nconfig; > + unsigned int config_size[TASDEVICE_CONFIG_SUM]; > +}; > + > +struct tasdev_blk_data { > + unsigned char dev_idx; > + unsigned char block_type; > + unsigned short yram_checksum; > + unsigned int block_size; > + unsigned int n_subblks; > + unsigned char *regdata; > +}; > + > +struct tasdevice_config_info { > + unsigned int nblocks; > + unsigned int real_nblocks; > + unsigned char active_dev; > + struct tasdev_blk_data **blk_data; > +}; > + > +struct tasdevice_rca { > + struct tasdevice_rca_hdr fw_hdr; > + int ncfgs; > + struct tasdevice_config_info **cfg_info; > + int profile_cfg_id; > +}; > + > +int tasdevice_dspfw_ready(const struct firmware *fmw, void *context); > +void tasdevice_dsp_remove(void *context); > +void tasdevice_calbin_remove(void *context); > +int tas2781_load_calibration(void *tas_dev, char *filename, > + enum channel i); > +int tasdevice_select_tuningprm_cfg(void *context, int prm, > + int cfg_no, int rca_conf_no); > + > +#endif > diff --git a/sound/soc/codecs/tas2781-i2c.c b/sound/soc/codecs/tas2781-i2c.c > new file mode 100644 > index 000000000000..d34b81a3a130 > --- /dev/null > +++ b/sound/soc/codecs/tas2781-i2c.c > @@ -0,0 +1,1621 @@ > +// SPDX-License-Identifier: GPL-2.0 > +// > +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier > +// > +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated > +// https://www.ti.com > +// > +// The TAS2781 driver implements a flexible and configurable > +// algo coefficient setting for one, two, or even multiple > +// TAS2781 chips. > +// > +// Author: Shenghao Ding <shenghao-ding@ti.com> > +// Author: Kevin Lu <kevin-lu@ti.com> > +// > + > +#include <linux/crc8.h> > +#include <linux/firmware.h> > +#include <linux/gpio/consumer.h> > +#include <linux/i2c.h> > +#include <linux/init.h> > +#include <linux/interrupt.h> > +#include <linux/module.h> > +#include <linux/of.h> > +#include <linux/of_gpio.h> > +#include <linux/of_irq.h> > +#include <linux/pm.h> > +#include <linux/regmap.h> > +#include <linux/slab.h> > +#include <sound/pcm_params.h> > +#include <sound/soc.h> > +#include <sound/tlv.h> > + > +#include "tas2781.h" > + > +#define TASDEVICE_CRC8_POLYNOMIAL 0x4d > + > +const char *blocktype[5] = { > + "COEFF", > + "POST_POWER_UP", > + "PRE_SHUTDOWN", > + "PRE_POWER_UP", > + "POST_SHUTDOWN" > +}; > + > +static const struct i2c_device_id tasdevice_id[] = { > + { "tas2781", TAS2781 }, > + {} > +}; > + > +MODULE_DEVICE_TABLE(i2c, tasdevice_id); > + > +static const struct regmap_range_cfg tasdevice_ranges[] = { > + { > + .range_min = 0, > + .range_max = 256 * 128, > + .selector_reg = TASDEVICE_PAGE_SELECT, > + .selector_mask = 0xff, > + .selector_shift = 0, > + .window_start = 0, > + .window_len = 128, > + }, > +}; > + > +static const struct regmap_config tasdevice_regmap = { > + .reg_bits = 16, > + .val_bits = 8, > + .cache_type = REGCACHE_RBTREE, > + .ranges = tasdevice_ranges, > + .num_ranges = ARRAY_SIZE(tasdevice_ranges), > + .max_register = 256 * 128, > +}; > + > +static const struct of_device_id tasdevice_of_match[] = { > + { .compatible = "ti,tas2781" }, > + {}, > +}; > + > +MODULE_DEVICE_TABLE(of, tasdevice_of_match); > + > +int tasdevice_process_block(void *context, > + unsigned char *data, unsigned char dev_idx, int sublocksize) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; > + unsigned char subblk_typ = data[1]; > + bool is_err = false; > + int blktyp = dev_idx & 0xC0; > + int idx = dev_idx & 0x3F; > + int subblk_offset; > + int chn, chnend; > + int rc; > + > + if (idx) { > + chn = idx-1; Spaces around "-" (checkpath should complain) > + chnend = idx; > + } else { > + if (tas_dev->set_global_mode) { > + chn = tas_dev->ndev; > + chnend = tas_dev->ndev + 1; > + } else { > + chn = 0; > + chnend = tas_dev->ndev; > + } > + } > + > + for (; chn < chnend; chn++) { > + if (!tas_dev->set_global_mode && > + tas_dev->tasdevice[chn].is_loading == false) > + continue; > + > + is_err = false; > + subblk_offset = 2; > + switch (subblk_typ) { > + case TASDEVICE_CMD_SING_W: { > + int i = 0; > + unsigned short len = SMS_HTONS(data[2], data[3]); > + > + subblk_offset += 2; > + if (subblk_offset + 4 * len > sublocksize) { > + dev_err(tas_dev->dev, > + "process_block: Out of bounary\n"); > + is_err = true; > + break; > + } > + > + for (i = 0; i < len; i++) { > + rc = tasdevice_dev_write(tas_dev, chn, > + TASDEVICE_REG(data[subblk_offset], > + data[subblk_offset + 1], > + data[subblk_offset + 2]), > + data[subblk_offset + 3]); > + if (rc < 0) { > + is_err = true; > + dev_err(tas_dev->dev, > + "process_block: single write error\n"); > + } > + subblk_offset += 4; > + } > + } > + break; > + case TASDEVICE_CMD_BURST: { > + unsigned short len = > + SMS_HTONS(data[2], data[3]); > + > + subblk_offset += 2; > + if (subblk_offset + 4 + len > sublocksize) { > + dev_err(tas_dev->dev, > + "%s: BST Out of bounary\n", > + __func__); > + is_err = true; > + break; > + } > + if (len % 4) { > + dev_err(tas_dev->dev, > + "%s:Bst-len(%u)not div by 4\n", > + __func__, len); > + break; > + } > + > + rc = tasdevice_dev_bulk_write(tas_dev, chn, > + TASDEVICE_REG(data[subblk_offset], > + data[subblk_offset + 1], > + data[subblk_offset + 2]), > + &(data[subblk_offset + 4]), > + len); > + if (rc < 0) { > + is_err = true; > + dev_err(tas_dev->dev, > + "%s: bulk_write error = %d\n", > + __func__, rc); > + } > + subblk_offset += (len + 4); > + } > + break; > + case TASDEVICE_CMD_DELAY: { > + unsigned int sleep_time = 0; > + > + if (subblk_offset + 2 > sublocksize) { > + dev_err(tas_dev->dev, > + "%s: deley Out of bounary\n", > + __func__); > + is_err = true; > + break; > + } > + sleep_time = SMS_HTONS(data[2], data[3]) * 1000; > + usleep_range(sleep_time, sleep_time + 50); > + subblk_offset += 2; > + } > + break; > + case TASDEVICE_CMD_FIELD_W: > + if (subblk_offset + 6 > sublocksize) { > + dev_err(tas_dev->dev, > + "%s: bit write Out of bounary\n", > + __func__); > + is_err = true; > + break; > + } > + rc = tasdevice_dev_update_bits(tas_dev, chn, > + TASDEVICE_REG(data[subblk_offset + 2], > + data[subblk_offset + 3], > + data[subblk_offset + 4]), > + data[subblk_offset + 1], > + data[subblk_offset + 5]); > + if (rc < 0) { > + is_err = true; > + dev_err(tas_dev->dev, > + "%s: update_bits error = %d\n", > + __func__, rc); > + } > + subblk_offset += 6; Why 2 spaces? (same in a few other places above) > + break; > + default: > + break; > + }; > + if (is_err == true && blktyp != 0) { > + if (blktyp == 0x80) { > + tas_dev->tasdevice[chn].cur_prog = -1; > + tas_dev->tasdevice[chn].cur_conf = -1; > + } else > + tas_dev->tasdevice[chn].cur_conf = -1; > + } > + } > + return subblk_offset; > +} > + > +static void tasdevice_select_cfg_blk(void *pContext, int conf_no, > + unsigned char block_type) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) pContext; > + struct tasdevice_rca *rca = &(tas_dev->rcabin); > + struct tasdevice_config_info **cfg_info = rca->cfg_info; > + int j, k, chn, chnend; > + > + if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) { > + dev_err(tas_dev->dev, > + "conf_no should be not more than %u\n", > + rca->ncfgs); > + goto out; > + } > + > + for (j = 0; j < (int)cfg_info[conf_no]->real_nblocks; j++) { > + unsigned int length = 0, rc = 0; > + > + if (block_type > 5 || block_type < 2) { > + dev_err(tas_dev->dev, > + "block_type should be in range from 2 to 5\n"); > + goto out; > + } > + if (block_type != cfg_info[conf_no]->blk_data[j]->block_type) > + continue; > + > + for (k = 0; k < (int)cfg_info[conf_no]->blk_data[j]->n_subblks; > + k++) { > + if (cfg_info[conf_no]->blk_data[j]->dev_idx) { > + chn = > + cfg_info[conf_no]->blk_data[j]->dev_idx > + - 1; > + chnend = > + cfg_info[conf_no]->blk_data[j]->dev_idx; The lines above are a bit ugly :) > + } else { > + chn = 0; > + chnend = tas_dev->ndev; > + } > + for (; chn < chnend; chn++) > + tas_dev->tasdevice[chn].is_loading = true; > + > + rc = tasdevice_process_block(tas_dev, > + cfg_info[conf_no]->blk_data[j]->regdata + > + length, > + cfg_info[conf_no]->blk_data[j]->dev_idx, > + cfg_info[conf_no]->blk_data[j]->block_size - > + length); > + length += rc; > + if (cfg_info[conf_no]->blk_data[j]->block_size < > + length) { > + dev_err(tas_dev->dev, > + "%s: %u %u out of boundary\n", > + __func__, length, > + cfg_info[conf_no]->blk_data[j] > + ->block_size); > + break; > + } > + } > + if (length != cfg_info[conf_no]->blk_data[j]->block_size) > + dev_err(tas_dev->dev, "%s: %u %u size is not same\n", > + __func__, length, > + cfg_info[conf_no]->blk_data[j]->block_size); > + uneeded empty line > + } > + > +out: > + return; > +} > + > +static struct tasdevice_config_info *tasdevice_add_config( > + void *context, unsigned char *config_data, > + unsigned int config_size) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; > + struct tasdevice_config_info *cfg_info; > + int config_offset = 0; > + int i; > + > + cfg_info = kzalloc( > + sizeof(struct tasdevice_config_info), GFP_KERNEL); > + if (!cfg_info) > + goto out; > + > + if (tas_dev->rcabin.fw_hdr.binary_version_num >= 0x105) { > + if (config_offset + 64 > (int)config_size) { > + dev_err(tas_dev->dev, "add config: Out of bounary\n"); > + goto out; Is the error handling strong enough? In this case and all goto out below, we return a valid 'cfg_info'. Is it safe and correctly handled later? > + } > + config_offset += 64; > + } > + > + if (config_offset + 4 > (int)config_size) { > + dev_err(tas_dev->dev, "add config: Out of bounary\n"); boundary? (here and in many other places) > + goto out; > + } > + cfg_info->nblocks = > + SMS_HTONL(config_data[config_offset], > + config_data[config_offset + 1], > + config_data[config_offset + 2], config_data[config_offset + 3]); > + config_offset += 4; > + > + cfg_info->blk_data = kcalloc( > + cfg_info->nblocks, sizeof(struct tasdev_blk_data *), > + GFP_KERNEL); > + if (!cfg_info->blk_data) > + goto out; > + > + cfg_info->real_nblocks = 0; > + for (i = 0; i < (int)cfg_info->nblocks; i++) { > + if (config_offset + 12 > config_size) { > + dev_err(tas_dev->dev, > + "add config: Out of bounary: i = %d nblocks = %u!\n", > + i, cfg_info->nblocks); > + break; > + } > + cfg_info->blk_data[i] = kzalloc( > + sizeof(struct tasdev_blk_data), GFP_KERNEL); > + if (!cfg_info->blk_data[i]) > + break; > + > + cfg_info->blk_data[i]->dev_idx = config_data[config_offset]; > + config_offset++; > + > + cfg_info->blk_data[i]->block_type = config_data[config_offset]; > + config_offset++; > + > + if (cfg_info->blk_data[i]->block_type == > + TASDEVICE_BIN_BLK_PRE_POWER_UP) { > + if (cfg_info->blk_data[i]->dev_idx == 0) > + cfg_info->active_dev = 1; > + else > + cfg_info->active_dev = > + 1 << > + (cfg_info->blk_data[i]->dev_idx - 1); > + > + } > + cfg_info->blk_data[i]->yram_checksum = > + SMS_HTONS(config_data[config_offset], > + config_data[config_offset + 1]); > + config_offset += 2; > + cfg_info->blk_data[i]->block_size = > + SMS_HTONL(config_data[config_offset], > + config_data[config_offset + 1], > + config_data[config_offset + 2], > + config_data[config_offset + 3]); > + config_offset += 4; > + > + cfg_info->blk_data[i]->n_subblks = > + SMS_HTONL(config_data[config_offset], > + config_data[config_offset + 1], > + config_data[config_offset + 2], > + config_data[config_offset + 3]); > + > + config_offset += 4; > + cfg_info->blk_data[i]->regdata = kzalloc( > + cfg_info->blk_data[i]->block_size, GFP_KERNEL); > + if (!cfg_info->blk_data[i]->regdata) > + goto out; > + > + if (config_offset + cfg_info->blk_data[i]->block_size > + > config_size) { > + dev_err(tas_dev->dev, > + "%s: block_size Out of bounary: i = %d blks = %u!\n", > + __func__, i, cfg_info->nblocks); > + break; > + } > + memcpy(cfg_info->blk_data[i]->regdata, > + &config_data[config_offset], > + cfg_info->blk_data[i]->block_size); > + config_offset += cfg_info->blk_data[i]->block_size; > + cfg_info->real_nblocks += 1; > + } > +out: > + return cfg_info; > +} > + > +/** > + * tas2781_digital_getvol - get the volum control > + * @kcontrol: control pointer > + * @ucontrol: User data > + * Customer Kcontrol for tas2781 is primarily for regmap booking, paging > + * depends on internal regmap mechanism. > + * tas2781 contains book and page two-level register map, especially > + * book switching will set the register BXXP00R7F, after switching to the > + * correct book, then leverage the mechanism for paging to access the register. > + */ > +static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + struct soc_mixer_control *mc = > + (struct soc_mixer_control *)kcontrol->private_value; > + unsigned int invert = mc->invert; > + int max = mc->max; > + int ret = 0; > + int val; > + > + /* Read the primary device as the whole */ > + ret = tasdevice_dev_read(tas_dev, 0, mc->reg, &val); > + if (ret) { > + dev_err(tas_dev->dev, "%s, get digital vol error\n", __func__); > + goto out; > + } > + > + if (val > max) > + val = max; > + if (invert) > + val = max - val; > + if (val < 0) > + val = 0; > + ucontrol->value.integer.value[0] = val; > + > +out: > + return ret; > +} > + > +static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + struct soc_mixer_control *mc = > + (struct soc_mixer_control *)kcontrol->private_value; > + unsigned int invert = mc->invert; > + int max = mc->max; > + int err_cnt = 0; > + int ret = 1; > + int val, i; > + > + val = ucontrol->value.integer.value[0]; > + if (val > max) > + val = max; > + if (invert) > + val = max - val; > + if (val < 0) > + val = 0; > + > + if (!tas_dev->set_global_mode) { > + ret = tasdevice_dev_write(tas_dev, tas_dev->ndev, > + mc->reg, (unsigned int)val); > + if (ret) > + dev_err(tas_dev->dev, "%s, error in global mode\n", > + __func__); > + } > + > + if (!tas_dev->set_global_mode || ret == 1) { > + for (i = 0; i < tas_dev->ndev; i++) { > + ret = tasdevice_dev_write(tas_dev, i, mc->reg, > + (unsigned int)val); > + if (ret) { > + err_cnt++; > + dev_err(tas_dev->dev, > + "set digital vol err in dev %d\n", i); > + } > + } > + } > + /* All the devices set error, return 0*/ Space missing after 0 > + return (err_cnt == tas_dev->ndev) ? 0 : 1; > +} > + > +static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + struct soc_mixer_control *mc = > + (struct soc_mixer_control *)kcontrol->private_value; > + unsigned int invert = mc->invert; > + unsigned char mask = 0; > + int max = mc->max; > + int ret = 0; > + int val; > + > + /* Read the primary device */ > + ret = tasdevice_dev_read(tas_dev, 0, mc->reg, &val); > + if (ret) { > + dev_err(tas_dev->dev, "%s, get AMP vol error\n", __func__); > + goto out; > + } > + > + mask = (1 << fls(mc->max)) - 1; > + mask <<= mc->shift; > + val = (val & mask) >> mc->shift; > + if (val > max) > + val = max; > + if (invert) > + val = max - val; > + if (val < 0) > + val = 0; > + ucontrol->value.integer.value[0] = val; > + > +out: > + return ret; > +} > + > +static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = > + snd_soc_component_get_drvdata(codec); > + struct soc_mixer_control *mc = > + (struct soc_mixer_control *)kcontrol->private_value; > + unsigned int invert = mc->invert; > + unsigned char mask; > + int max = mc->max; > + int err_cnt = 0; > + int val, i, ret; > + > + mask = (1 << fls(mc->max)) - 1; > + mask <<= mc->shift; > + val = ucontrol->value.integer.value[0]; > + if (val > max) > + val = max; > + if (invert) > + val = max - val; > + if (val < 0) > + val = 0; > + for (i = 0; i < tas_dev->ndev; i++) { > + ret = tasdevice_dev_update_bits(tas_dev, i, > + mc->reg, mask, (unsigned int)(val << mc->shift)); > + if (ret) { > + err_cnt++; > + dev_err(tas_dev->dev, "set AMP vol error in dev %d\n", > + i); > + } > + } > + > + /* All the devices set error, return 0*/ Space missing after 0 > + return (err_cnt == tas_dev->ndev) ? 0 : 1; > +} > + > +static const DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0); > +static const DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0); > + > +static const struct snd_kcontrol_new tas2781_snd_controls[] = { > + SOC_SINGLE_RANGE_EXT_TLV("Amp Gain Volume", TAS2781_AMP_LEVEL, > + 1, 0, 20, 0, tas2781_amp_getvol, > + tas2781_amp_putvol, amp_vol_tlv), > + SOC_SINGLE_RANGE_EXT_TLV("Digital Volume", TAS2781_DVC_LVL, > + 0, 0, 200, 1, tas2781_digital_getvol, > + tas2781_digital_putvol, dvc_tlv), > +}; > + > +static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + > + tas_dev->rcabin.profile_cfg_id = > + ucontrol->value.integer.value[0]; > + > + return 1; > +} > + > +static int tasdevice_info_programs(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_info *uinfo) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + struct tasdevice_fw *tas_fw = tas_dev->fmw; > + > + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; > + uinfo->count = 1; > + uinfo->value.integer.min = 0; > + uinfo->value.integer.max = (int)tas_fw->nr_programs; > + > + return 0; > +} > + > +static int tasdevice_info_configurations( > + struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) > +{ > + struct snd_soc_component *codec = > + snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + struct tasdevice_fw *tas_fw = tas_dev->fmw; > + > + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; > + uinfo->count = 1; > + uinfo->value.integer.min = 0; > + uinfo->value.integer.max = (int)tas_fw->nr_configurations - 1; > + > + return 0; > +} > + > +static int tasdevice_info_profile(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_info *uinfo) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + > + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; > + uinfo->count = 1; > + uinfo->value.integer.min = 1; > + uinfo->value.integer.max = max(0, tas_dev->rcabin.ncfgs); > + > + return 0; > +} > + > +static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + > + ucontrol->value.integer.value[0] = > + tas_dev->rcabin.profile_cfg_id; > + > + return 0; > +} > + > +static int tasdevice_create_controls(struct tasdevice_priv *tas_dev) > +{ > + struct snd_kcontrol_new *tasdevice_profile_controls; > + int nr_controls = 1; > + int mix_index = 0; > + int ret; > + char *name; > + > + tasdevice_profile_controls = devm_kzalloc(tas_dev->dev, > + nr_controls * sizeof(tasdevice_profile_controls[0]), > + GFP_KERNEL); > + if (!tasdevice_profile_controls) { > + ret = -ENOMEM; > + goto out; > + } > + > + /* Create a mixer item for selecting the active profile */ > + name = devm_kzalloc(tas_dev->dev, > + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); > + if (!name) { > + ret = -ENOMEM; > + goto out; > + } > + scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "TASDEVICE Profile id"); > + tasdevice_profile_controls[mix_index].name = name; > + tasdevice_profile_controls[mix_index].iface = > + SNDRV_CTL_ELEM_IFACE_MIXER; > + tasdevice_profile_controls[mix_index].info = > + tasdevice_info_profile; > + tasdevice_profile_controls[mix_index].get = > + tasdevice_get_profile_id; > + tasdevice_profile_controls[mix_index].put = > + tasdevice_set_profile_id; > + mix_index++; > + > + ret = snd_soc_add_component_controls(tas_dev->codec, > + tasdevice_profile_controls, > + nr_controls < mix_index ? nr_controls : mix_index); > + > +out: > + return ret; > +} > + > +static int tasdevice_program_get(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); > + > + ucontrol->value.integer.value[0] = tasdev->cur_prog; > + > + return 0; > +} > + > +static int tasdevice_program_put(struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); > + unsigned int nr_program = ucontrol->value.integer.value[0]; > + > + tasdev->cur_prog = nr_program; > + > + return 1; > +} > + > +static int tasdevice_configuration_get( > + struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); > + > + ucontrol->value.integer.value[0] = tasdev->cur_conf; > + > + return 0; > +} > + > +static int tasdevice_configuration_put( > + struct snd_kcontrol *kcontrol, > + struct snd_ctl_elem_value *ucontrol) > +{ > + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + unsigned int nr_configuration = ucontrol->value.integer.value[0]; > + > + tas_dev->cur_conf = nr_configuration; > + > + return 1; > +} > + > +static int tasdevice_dsp_create_control( > + struct tasdevice_priv *tas_dev) > +{ > + struct snd_kcontrol_new *tasdevice_dsp_controls; > + char *program_name, *configuration_name; > + int nr_controls = 2; > + int mix_index = 0; > + int ret; > + > + tasdevice_dsp_controls = devm_kzalloc(tas_dev->dev, > + nr_controls * sizeof(tasdevice_dsp_controls[0]), GFP_KERNEL); kcalloc()? > + if (!tasdevice_dsp_controls) { > + ret = -ENOMEM; > + goto out; > + } > + > + /* Create a mixer item for selecting the active profile */ > + program_name = devm_kzalloc(tas_dev->dev, > + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); > + configuration_name = devm_kzalloc(tas_dev->dev, > + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); > + if (!program_name || !configuration_name) { > + ret = -ENOMEM; > + goto out; > + } > + > + scnprintf(program_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Program"); > + tasdevice_dsp_controls[mix_index].name = program_name; > + tasdevice_dsp_controls[mix_index].iface = > + SNDRV_CTL_ELEM_IFACE_MIXER; > + tasdevice_dsp_controls[mix_index].info = > + tasdevice_info_programs; > + tasdevice_dsp_controls[mix_index].get = > + tasdevice_program_get; > + tasdevice_dsp_controls[mix_index].put = > + tasdevice_program_put; > + mix_index++; > + > + scnprintf(configuration_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, > + "Configuration"); > + tasdevice_dsp_controls[mix_index].name = configuration_name; > + tasdevice_dsp_controls[mix_index].iface = > + SNDRV_CTL_ELEM_IFACE_MIXER; > + tasdevice_dsp_controls[mix_index].info = > + tasdevice_info_configurations; > + tasdevice_dsp_controls[mix_index].get = > + tasdevice_configuration_get; > + tasdevice_dsp_controls[mix_index].put = > + tasdevice_configuration_put; > + mix_index++; > + > + ret = snd_soc_add_component_controls(tas_dev->codec, > + tasdevice_dsp_controls, > + nr_controls < mix_index ? nr_controls : mix_index); > +out: > + return ret; > +} > + > +static void tasdevice_rca_ready(const struct firmware *fmw, > + void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; > + struct tasdevice_config_info **cfg_info = NULL; > + struct tasdevice_rca_hdr *fw_hdr; > + struct tasdevice_rca *rca; > + const struct firmware *fw_entry; > + unsigned int total_config_sz = 0; > + unsigned char *buf; > + int offset = 0; > + int i, ret; > + > + mutex_lock(&tas_dev->codec_lock); > + rca = &(tas_dev->rcabin); > + fw_hdr = &(rca->fw_hdr); > + if (!fmw || !fmw->data) { > + dev_err(tas_dev->dev, > + "Failed to read %s, no side - effect on driver running\n", > + tas_dev->rca_binaryname); Bad indentation. > + ret = -EINVAL; > + goto out; > + } > + buf = (unsigned char *)fmw->data; > + > + fw_hdr->img_sz = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + if (fw_hdr->img_sz != fmw->size) { > + dev_err(tas_dev->dev, > + "File size not match, %d %u", (int)fmw->size, > + fw_hdr->img_sz); > + ret = -EINVAL; > + goto out; > + } > + > + fw_hdr->checksum = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + fw_hdr->binary_version_num = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + if (fw_hdr->binary_version_num < 0x103) { > + dev_err(tas_dev->dev, "File version 0x%04x is too low", > + fw_hdr->binary_version_num); > + ret = -EINVAL; > + goto out; > + } > + offset += 4; > + fw_hdr->drv_fw_version = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 8; > + fw_hdr->plat_type = buf[offset]; > + offset += 1; > + fw_hdr->dev_family = buf[offset]; > + offset += 1; > + fw_hdr->reserve = buf[offset]; > + offset += 1; > + fw_hdr->ndev = buf[offset]; > + offset += 1; > + if (fw_hdr->ndev != tas_dev->ndev) { > + dev_err(tas_dev->dev, > + "ndev(%u) fro rcabin and ndev(%u) fro DTS NOT match\n", > + fw_hdr->ndev, tas_dev->ndev); > + ret = -EINVAL; > + goto out; > + } > + if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) { > + dev_err(tas_dev->dev, "rca_ready: Out of bounary!\n"); > + ret = -EINVAL; > + goto out; > + } > + > + for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++) > + fw_hdr->devs[i] = buf[offset]; > + > + fw_hdr->nconfig = SMS_HTONL(buf[offset], buf[offset + 1], > + buf[offset + 2], buf[offset + 3]); > + offset += 4; > + > + for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) { > + fw_hdr->config_size[i] = SMS_HTONL(buf[offset], > + buf[offset + 1], buf[offset + 2], buf[offset + 3]); > + offset += 4; > + total_config_sz += fw_hdr->config_size[i]; > + } > + > + if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) { > + dev_err(tas_dev->dev, "Bin file error!\n"); > + ret = -EINVAL; > + goto out; > + } > + cfg_info = kcalloc(fw_hdr->nconfig, > + sizeof(struct tasdevice_config_info *), sizeof(*cfg_info) would be less verbose. I've *not* checked in details, but in case of error the kcalloc() seems to me leaking in this function. (see the other kcalloc above) > + GFP_KERNEL); > + > + if (!cfg_info) { > + ret = -EINVAL; > + goto out; > + } > + rca->cfg_info = cfg_info; > + rca->ncfgs = 0; > + for (i = 0; i < (int)fw_hdr->nconfig; i++) { > + cfg_info[i] = tasdevice_add_config(context, &buf[offset], > + fw_hdr->config_size[i]); > + if (!cfg_info[i]) { > + ret = -EINVAL; > + break; 'ret' is overwritten a few lines below. goto out; missing ? (see a few line above) > + } > + offset += (int)fw_hdr->config_size[i]; > + rca->ncfgs += 1; > + } > + tasdevice_create_controls(tas_dev); > + > + tasdevice_dsp_remove(tas_dev); > + tasdevice_calbin_remove(tas_dev); > + tas_dev->fw_state = TASDEVICE_DSP_FW_PENDING; > + scnprintf(tas_dev->coef_binaryname, 64, "%s_coef.bin", > + tas_dev->dev_name); > + ret = request_firmware(&fw_entry, tas_dev->coef_binaryname, > + tas_dev->dev); > + if (!ret) { Nit: If we test 'ret', the 2 {} blocks can be inverted and we can save 1 level of indentation > + ret = tasdevice_dspfw_ready(fw_entry, tas_dev); > + release_firmware(fw_entry); > + fw_entry = NULL; > + } else { > + tas_dev->fw_state = TASDEVICE_DSP_FW_FAIL; > + dev_err(tas_dev->dev, "%s: load %s error\n", __func__, > + tas_dev->coef_binaryname); > + goto out; > + } > + tasdevice_dsp_create_control(tas_dev); > + > + tas_dev->fw_state = TASDEVICE_DSP_FW_ALL_OK; > + tas_dev->is_glb_calibrated_data_loaded = true; > + for (i = 0; i < tas_dev->ndev; i++) { > + scnprintf(tas_dev->cal_binaryname[i], 64, "%s_cal_0x%02x.bin", > + tas_dev->dev_name, tas_dev->tasdevice[i].dev_addr); > + ret = tas2781_load_calibration(tas_dev, > + tas_dev->cal_binaryname[i], i); > + if (ret != 0) { > + dev_err(tas_dev->dev, > + "%s: load %s error, no-side effect\n", > + __func__, tas_dev->cal_binaryname[i]); > + ret = 0; Useless? > + tas_dev->is_glb_calibrated_data_loaded = false; > + } > + } > + > +out: > + mutex_unlock(&tas_dev->codec_lock); > + if (fmw) > + release_firmware(fmw); > +} > + > +static void tasdevice_config_info_remove(void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + struct tasdevice_rca *rca = &(tas_dev->rcabin); > + struct tasdevice_config_info **cfg_info = rca->cfg_info; > + int i, j; In order, to reduce 2levels of indentation: > + > + if (cfg_info) { if (!cfg_info) return; > + for (i = 0; i < rca->ncfgs; i++) { > + if (cfg_info[i]) { if (!cfg_info[i]) continue; > + for (j = 0; j < (int)cfg_info[i]->real_nblocks; > + j++) { > + kfree( > + cfg_info[i]->blk_data[j]->regdata); > + kfree(cfg_info[i]->blk_data[j]); > + } > + kfree(cfg_info[i]->blk_data); > + kfree(cfg_info[i]); > + } > + } > + kfree(cfg_info); > + } > +} > + > +static void tasdevice_tuning_switch( > + struct tasdevice_priv *tas_dev, int state) > +{ > + struct tasdevice_fw *tas_fmw = tas_dev->fmw; > + int profile_cfg_id = 0; > + > + if (state == 0) { > + if (tas_fmw) { > + if (tas_dev->cur_prog >= tas_fmw->nr_programs) > + /*bypass all in rca is profile id 0*/ > + profile_cfg_id = RCA_CONFIGID_BYPASS_ALL; > + else { > + /*dsp mode or tuning mode*/ > + profile_cfg_id = > + tas_dev->rcabin.profile_cfg_id; > + > + tasdevice_select_tuningprm_cfg(tas_dev, > + tas_dev->cur_prog, > + tas_dev->cur_conf, > + profile_cfg_id); > + if (tas_dev->set_global_mode) > + tas_dev->set_global_mode(tas_dev); > + } > + } else > + profile_cfg_id = RCA_CONFIGID_BYPASS_ALL; > + > + tasdevice_select_cfg_blk(tas_dev, profile_cfg_id, > + TASDEVICE_BIN_BLK_PRE_POWER_UP); > + } else > + tasdevice_select_cfg_blk(tas_dev, > + tas_dev->rcabin.profile_cfg_id, > + TASDEVICE_BIN_BLK_PRE_SHUTDOWN); > +} > + > +static int tasdevice_dapm_event(struct snd_soc_dapm_widget *w, > + struct snd_kcontrol *kcontrol, int event) > +{ > + struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + int state = 1; > + > + /* Codec Lock Hold */ > + mutex_lock(&tas_dev->codec_lock); > + if (event == SND_SOC_DAPM_PRE_PMD) > + state = 0; > + tasdevice_tuning_switch(tas_dev, state); > + /* Codec Lock Release*/ > + mutex_unlock(&tas_dev->codec_lock); > + > + return 0; > +} > + > +static const struct snd_soc_dapm_widget tasdevice_dapm_widgets[] = { > + SND_SOC_DAPM_AIF_IN("ASI", "ASI Playback", 0, SND_SOC_NOPM, 0, 0), > + SND_SOC_DAPM_AIF_OUT_E("ASI OUT", "ASI Capture", 0, SND_SOC_NOPM, > + 0, 0, tasdevice_dapm_event, > + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), > + SND_SOC_DAPM_SPK("SPK", tasdevice_dapm_event), > + SND_SOC_DAPM_OUTPUT("OUT"), > + SND_SOC_DAPM_INPUT("DMIC") > +}; > + > +static const struct snd_soc_dapm_route tasdevice_audio_map[] = { > + {"SPK", NULL, "ASI"}, > + {"OUT", NULL, "SPK"}, > + {"ASI OUT", NULL, "DMIC"} > +}; > + > +static int tasdevice_startup(struct snd_pcm_substream *substream, > + struct snd_soc_dai *dai) > +{ > + struct snd_soc_component *codec = dai->component; > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + int ret = 0; > + > + if (tas_dev->fw_state != TASDEVICE_DSP_FW_ALL_OK) { > + dev_err(tas_dev->dev, "DSP bin file not loaded\n"); > + ret = -EINVAL; > + } > + return ret; > +} > + > +static int tasdevice_hw_params(struct snd_pcm_substream *substream, > + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) > +{ > + struct tasdevice_priv *tas_dev = snd_soc_dai_get_drvdata(dai); > + unsigned int slot_width; > + unsigned int fsrate; > + int bclk_rate; > + int rc = 0; > + > + fsrate = params_rate(params); > + switch (fsrate) { > + case 48000: > + break; > + case 44100: > + break; Nit: Maybe removing some uneeded break to save some LoC? > + default: > + dev_err(tas_dev->dev, "%s: incorrect sample rate = %u\n", > + __func__, fsrate); > + rc = -EINVAL; > + goto out; > + } > + > + slot_width = params_width(params); > + switch (slot_width) { > + case 16: > + break; > + case 20: > + break; > + case 24: > + break; > + case 32: > + break; Nit: Maybe removing some uneeded break to s > + default: > + dev_err(tas_dev->dev, "%s: incorrect slot width = %u\n", > + __func__, slot_width); > + rc = -EINVAL; > + goto out; > + } > + > + bclk_rate = snd_soc_params_to_bclk(params); > + if (bclk_rate < 0) { > + dev_err(tas_dev->dev, "%s: incorrect bclk rate = %d\n", > + __func__, bclk_rate); > + rc = bclk_rate; > + goto out; > + } > +out: > + return rc; > +} > + > +static int tasdevice_set_dai_sysclk(struct snd_soc_dai *codec_dai, > + int clk_id, unsigned int freq, int dir) > +{ > + struct tasdevice_priv *tas_dev = snd_soc_dai_get_drvdata(codec_dai); > + > + tas_dev->sysclk = freq; > + > + return 0; > +} > + > +static const struct snd_soc_dai_ops tasdevice_dai_ops = { > + .startup = tasdevice_startup, > + .hw_params = tasdevice_hw_params, > + .set_sysclk = tasdevice_set_dai_sysclk, > +}; > + > +static struct snd_soc_dai_driver tasdevice_dai_driver[] = { > + { > + .name = "tas2781_codec", > + .id = 0, > + .playback = { > + .stream_name = "Playback", > + .channels_min = 1, > + .channels_max = 4, > + .rates = TASDEVICE_RATES, > + .formats = TASDEVICE_FORMATS, > + }, > + .capture = { > + .stream_name = "Capture", > + .channels_min = 1, > + .channels_max = 4, > + .rates = TASDEVICE_RATES, > + .formats = TASDEVICE_FORMATS, > + }, > + .ops = &tasdevice_dai_ops, > + .symmetric_rate = 1, > + }, > +}; > + > +static void tas2781_reset(struct tasdevice_priv *tas_dev) > +{ > + int ret, i; > + > + if (tas_dev->reset) { > + gpiod_set_value_cansleep(tas_dev->reset, 0); > + usleep_range(500, 1000); > + gpiod_set_value_cansleep(tas_dev->reset, 1); > + } else { > + > + for (i = 0; i < tas_dev->ndev; i++) { > + ret = tasdevice_dev_write(tas_dev, i, > + TAS2871_REG_SWRESET, > + TAS2871_REG_SWRESET_RESET); > + if (ret < 0) > + dev_err(tas_dev->dev, > + "dev %d swreset fail, %d\n", > + i, ret); > + } > + } > + usleep_range(1000, 1050); > +} > + > +static int tasdevice_codec_probe( > + struct snd_soc_component *codec) > +{ > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + int ret; > + > + /* Codec Lock Hold to ensure that codec_probe and firmware parsing and > + * loading do not simultaneously execute. > + */ > + mutex_lock(&tas_dev->codec_lock); > + > + crc8_populate_msb(tas_dev->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL); > + tas_dev->codec = codec; > + scnprintf(tas_dev->rca_binaryname, 64, "%s_rca.bin", > + tas_dev->dev_name); > + ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, > + tas_dev->rca_binaryname, tas_dev->dev, GFP_KERNEL, tas_dev, > + tasdevice_rca_ready); > + if (ret) > + dev_err(tas_dev->dev, "request_firmware_nowait err:0x%08x\n", > + ret); > + > + tas2781_reset(tas_dev); > + if (tas_dev->set_global_mode) > + tas_dev->set_global_mode(tas_dev); > + > + /* Codec Lock Release*/ > + mutex_unlock(&tas_dev->codec_lock); > + > + return ret; > +} > + > +static void tasdevice_deinit(void *context) > +{ > + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; > + > + tasdevice_config_info_remove(tas_dev); > + tasdevice_dsp_remove(tas_dev); > + tasdevice_calbin_remove(tas_dev); > + tas_dev->fw_state = TASDEVICE_DSP_FW_PENDING; > +} > + > +static void tasdevice_codec_remove( > + struct snd_soc_component *codec) > +{ > + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); > + > + tasdevice_deinit(tas_dev); > + Nit: useless empty line > +} > + > +static const struct snd_soc_component_driver > + soc_codec_driver_tasdevice = { > + .probe = tasdevice_codec_probe, > + .remove = tasdevice_codec_remove, > + .controls = tas2781_snd_controls, > + .num_controls = ARRAY_SIZE(tas2781_snd_controls), > + .dapm_widgets = tasdevice_dapm_widgets, > + .num_dapm_widgets = ARRAY_SIZE(tasdevice_dapm_widgets), > + .dapm_routes = tasdevice_audio_map, > + .num_dapm_routes = ARRAY_SIZE(tasdevice_audio_map), > + .idle_bias_on = 1, > + .endianness = 1, > +}; > + > +static int tasdevice_parse_dt(struct tasdevice_priv *tas_dev) > +{ > + struct i2c_client *client = (struct i2c_client *)tas_dev->client; > + unsigned int dev_addrs[max_chn]; > + int rc, i, ndev; > + > + if (tas_dev->isacpi) { > + ndev = device_property_read_u32_array(&client->dev, > + "ti,audio-slots", NULL, 0); > + if (ndev <= 0) { > + ndev = 1; > + dev_addrs[0] = client->addr; > + } else { > + ndev = (ndev < ARRAY_SIZE(dev_addrs)) > + ? ndev : ARRAY_SIZE(dev_addrs); > + ndev = device_property_read_u32_array(&client->dev, > + "ti,audio-slots", dev_addrs, ndev); > + } > + > + tas_dev->irq_info.irq_gpio = > + acpi_dev_gpio_irq_get(ACPI_COMPANION(&client->dev), 0); > + } else { > + struct device_node *np = tas_dev->dev->of_node; > + > + ndev = of_property_read_variable_u32_array(np, > + "ti,audio-slots", dev_addrs, 0, ARRAY_SIZE(dev_addrs)); > + if (ndev <= 0) { > + ndev = 1; > + dev_addrs[0] = client->addr; > + } > + tas_dev->irq_info.irq_gpio = of_irq_get(np, 0); > + } > + tas_dev->ndev = ndev; > + for (i = 0; i < ndev; i++) > + tas_dev->tasdevice[i].dev_addr = dev_addrs[i]; > + > + if (ndev > 1) { > + rc = device_property_read_u32(&client->dev, > + "ti,broadcast-addr", > + &(tas_dev->glb_addr.dev_addr)); > + if (rc) { > + dev_err(tas_dev->dev, > + "Looking up broadcast-addr failed %d\n", rc); > + tas_dev->glb_addr.dev_addr = 0; > + } > + } > + > + tas_dev->reset = devm_gpiod_get_optional(&client->dev, > + "reset-gpios", GPIOD_OUT_HIGH); > + if (IS_ERR(tas_dev->reset)) > + dev_err(tas_dev->dev, "%s Can't get reset GPIO\n", > + __func__); > + > + strcpy(tas_dev->dev_name, tasdevice_id[tas_dev->chip_id].name); > + > + if (gpio_is_valid(tas_dev->irq_info.irq_gpio)) { > + rc = gpio_request(tas_dev->irq_info.irq_gpio, > + "AUDEV-IRQ"); > + if (!rc) { > + gpio_direction_input( > + tas_dev->irq_info.irq_gpio); > + > + tas_dev->irq_info.irq = > + gpio_to_irq(tas_dev->irq_info.irq_gpio); > + } else > + dev_err(tas_dev->dev, "%s: GPIO %d request error\n", > + __func__, tas_dev->irq_info.irq_gpio); > + } else > + dev_err(tas_dev->dev, > + "Looking up irq-gpio property failed %d\n", > + tas_dev->irq_info.irq_gpio); > + > + return 0; > +} > + > +static int tasdevice_change_chn_book(struct tasdevice_priv *tas_dev, > + enum channel chn, int book) > +{ > + struct i2c_client *client = (struct i2c_client *)tas_dev->client; > + int ret = 0; > + > + if (chn < tas_dev->ndev) { Sometimes this var is done with <, sometimes with <= > + if (tas_dev->glb_addr.ref_cnt != 0) { > + tas_dev->glb_addr.ref_cnt = 0; > + tas_dev->glb_addr.cur_book = -1; > + } > + client->addr = tas_dev->tasdevice[chn].dev_addr; > + if (tas_dev->tasdevice[chn].cur_book != book) { > + ret = regmap_write(tas_dev->regmap, > + TASDEVICE_BOOKCTL_REG, book); > + if (ret < 0) { > + dev_err(tas_dev->dev, "%s, E=%d\n", > + __func__, ret); > + goto out; > + } > + tas_dev->tasdevice[chn].cur_book = book; > + } > + } else if (chn == tas_dev->ndev) { > + int i = 0; Nit: useless init > + > + if (tas_dev->glb_addr.ref_cnt == 0) > + for (i = 0; i < tas_dev->ndev; i++) > + tas_dev->tasdevice[i].cur_book = -1; > + client->addr = tas_dev->glb_addr.dev_addr; > + if (tas_dev->glb_addr.cur_book != book) { > + ret = regmap_write(tas_dev->regmap, > + TASDEVICE_BOOKCTL_PAGE, 0); > + if (ret < 0) { > + dev_err(tas_dev->dev, "%s, E=%d\n", > + __func__, ret); > + goto out; > + } > + ret = regmap_write(tas_dev->regmap, > + TASDEVICE_BOOKCTL_REG, book); > + if (ret < 0) { > + dev_err(tas_dev->dev, "%s, book%x, E=%d\n", > + __func__, book, ret); > + goto out; > + } > + tas_dev->glb_addr.cur_book = book; > + } > + > + tas_dev->glb_addr.ref_cnt++; > + } else > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); I don't know what is best, but in tasdevice_dev_update_bits() below, we return -EINVAL in such a case. > + > +out: > + return ret; > +} > + > +int tasdevice_dev_read(struct tasdevice_priv *tas_dev, > + enum channel chn, unsigned int reg, unsigned int *val) > +{ > + int ret = 0; > + > + if (chn < tas_dev->ndev) { > + ret = tasdevice_change_chn_book(tas_dev, chn, > + TASDEVICE_BOOK_ID(reg)); > + if (ret < 0) > + goto out; > + > + ret = regmap_read(tas_dev->regmap, > + TASDEVICE_PGRG(reg), val); > + if (ret < 0) > + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, ret); > + } else > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); Same. > + > +out: > + return ret; > +} > + > +int tasdevice_dev_write(struct tasdevice_priv *tas_dev, > + enum channel chn, unsigned int reg, unsigned int value) > +{ > + int ret = 0; > + > + if (chn <= tas_dev->ndev) { > + ret = tasdevice_change_chn_book(tas_dev, chn, > + TASDEVICE_BOOK_ID(reg)); > + if (ret < 0) > + goto out; > + > + ret = regmap_write(tas_dev->regmap, > + TASDEVICE_PGRG(reg), value); > + if (ret < 0) > + dev_err(tas_dev->dev, "%s, E=%d\n", > + __func__, ret); > + } else > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); Same. > +out: > + return ret; > +} > + > +int tasdevice_dev_bulk_write( > + struct tasdevice_priv *tas_dev, enum channel chn, > + unsigned int reg, unsigned char *data, > + unsigned int len) > +{ > + int ret = 0; > + > + if (chn <= tas_dev->ndev) { > + ret = tasdevice_change_chn_book(tas_dev, chn, > + TASDEVICE_BOOK_ID(reg)); > + if (ret < 0) > + goto out; > + > + ret = regmap_bulk_write(tas_dev->regmap, > + TASDEVICE_PGRG(reg), data, len); > + if (ret < 0) > + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, > + ret); > + } else > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); Same. > +out: > + return ret; > +} > + > +int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_dev, > + enum channel chn, unsigned int reg, unsigned char *data, > + unsigned int len) > +{ > + int ret = 0; > + > + if (chn < tas_dev->ndev) { > + ret = tasdevice_change_chn_book(tas_dev, chn, > + TASDEVICE_BOOK_ID(reg)); > + if (ret < 0) > + goto out; > + > + ret = regmap_bulk_read(tas_dev->regmap, > + TASDEVICE_PGRG(reg), data, len); > + if (ret < 0) > + dev_err(tas_dev->dev, "%s, E=%d\n", > + __func__, ret); > + } else > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); > + Same. > +out: > + return ret; > +} > + > +int tasdevice_dev_update_bits( > + struct tasdevice_priv *tas_dev, enum channel chn, > + unsigned int reg, unsigned int mask, unsigned int value) > +{ > + int ret = 0; > + struct i2c_client *client = > + (struct i2c_client *)tas_dev->client; > + > + if (chn < tas_dev->ndev) { > + ret = tasdevice_change_chn_book(tas_dev, chn, > + TASDEVICE_BOOK_ID(reg)); > + if (ret < 0) > + goto out; > + client->addr = tas_dev->tasdevice[chn].dev_addr; > + ret = regmap_update_bits(tas_dev->regmap, > + TASDEVICE_PGRG(reg), mask, value); > + if (ret < 0) > + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, ret); > + } else { > + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", > + __func__, chn); > + ret = -EINVAL; > + } > + > +out: > + return ret; > +} > + > +static void tas2781_set_global_mode(struct tasdevice_priv *tas_dev) > +{ > + int i = 0; Nit: unusal. "i = 0" at the first param of the for loop below? > + int ret = 0; Nit: useless initialisation. > + > + for (; i < tas_dev->ndev; i++) { > + ret = tasdevice_dev_update_bits(tas_dev, i, > + TAS2871_MISC_CFG2, TAS2871_GLOBAL_ADDR_MASK, > + TAS2871_GLOBAL_ADDR_ENABLE); > + if (ret < 0) { > + dev_err(tas_dev->dev, "%s: chn %d set glb fail, %d\n", > + __func__, i, ret); > + continue; > + } > + } > +} > + > +static int tasdevice_init(struct tasdevice_priv *tas_dev) > +{ > + int ret, i; > + > + tas_dev->cur_prog = -1; > + tas_dev->cur_conf = -1; > + > + for (i = 0; i < tas_dev->ndev; i++) { > + tas_dev->tasdevice[i].cur_book = -1; > + tas_dev->tasdevice[i].cur_prog = -1; > + tas_dev->tasdevice[i].cur_conf = -1; > + } > + > + if (tas_dev->glb_addr.dev_addr != 0 > + && tas_dev->glb_addr.dev_addr < 0x7F) > + tas_dev->set_global_mode = tas2781_set_global_mode; > + dev_set_drvdata(tas_dev->dev, tas_dev); > + > + mutex_init(&tas_dev->codec_lock); > + ret = devm_snd_soc_register_component(tas_dev->dev, > + &soc_codec_driver_tasdevice, > + tasdevice_dai_driver, ARRAY_SIZE(tasdevice_dai_driver)); > + if (ret) { > + dev_err(tas_dev->dev, "%s: codec register error:0x%08x\n", > + __func__, ret); > + goto out; > + } > + > +out: > + return ret; > +} > + > +static void tasdevice_remove(struct tasdevice_priv *tas_dev) > +{ > + if (gpio_is_valid(tas_dev->irq_info.irq_gpio)) > + gpio_free(tas_dev->irq_info.irq_gpio); > + > + mutex_destroy(&tas_dev->codec_lock); > +} > + > +static int tasdevice_i2c_probe(struct i2c_client *i2c) > +{ > + const struct i2c_device_id *id = i2c_match_id(tasdevice_id, i2c); > + const struct acpi_device_id *acpi_id; > + struct tasdevice_priv *tas_dev; > + int ret; > + > + tas_dev = devm_kzalloc(&i2c->dev, sizeof(*tas_dev), GFP_KERNEL); > + if (!tas_dev) { > + ret = -ENOMEM; > + goto out; > + } Nit: return -ENOMEM; and remove " && tas_dev" after the "out" label? > + > + if (ACPI_HANDLE(&i2c->dev)) { > + acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, > + &i2c->dev); > + if (!acpi_id) { > + dev_err(&i2c->dev, "No driver data\n"); > + ret = -EINVAL; > + goto out; > + } > + tas_dev->chip_id = acpi_id->driver_data; > + tas_dev->isacpi = true; > + } else { > + tas_dev->chip_id = id ? id->driver_data : 0; > + tas_dev->isacpi = false; > + } > + > + tas_dev->dev = &i2c->dev; > + tas_dev->client = (void *)i2c; > + > + ret = tasdevice_parse_dt(tas_dev); Should tasdevice_parse_dt() return void? Or should it return an error code in some cases + error handling here? > + > + tas_dev->regmap = devm_regmap_init_i2c(i2c, > + &tasdevice_regmap); > + if (IS_ERR(tas_dev->regmap)) { > + ret = PTR_ERR(tas_dev->regmap); > + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", > + ret); > + goto out; > + } > + ret = tasdevice_init(tas_dev); > + > +out: > + if (ret < 0 && tas_dev) > + tasdevice_remove(tas_dev); > + return ret; > + Nit: Unneeded empty line. > +} > + > +static void tasdevice_i2c_remove(struct i2c_client *client) > +{ > + struct tasdevice_priv *tas_dev = i2c_get_clientdata(client); > + > + tasdevice_remove(tas_dev); > + Nit: Unneeded empty line. > +} > + > +#ifdef CONFIG_ACPI > +static const struct acpi_device_id tasdevice_acpi_match[] = { > + { "TAS2781", TAS2781 }, > + {}, > +}; > +MODULE_DEVICE_TABLE(acpi, tasdevice_acpi_match); > +#endif > + > +static struct i2c_driver tasdevice_i2c_driver = { > + .driver = { > + .name = "tas2781-codec", > + .owner = THIS_MODULE, > + .of_match_table = of_match_ptr(tasdevice_of_match), > + .acpi_match_table = ACPI_PTR(tasdevice_acpi_match), > + }, > + .probe = tasdevice_i2c_probe, > + .remove = tasdevice_i2c_remove, > + .id_table = tasdevice_id, > +}; > + > +module_i2c_driver(tasdevice_i2c_driver); > + > +MODULE_AUTHOR("Shenghao Ding <shenghao-ding@ti.com>"); > +MODULE_AUTHOR("Kevin Lu <kevin-lu@ti.com>"); > +MODULE_DESCRIPTION("ASoC TAS2781 Driver"); > +MODULE_LICENSE("GPL"); > diff --git a/sound/soc/codecs/tas2781.h b/sound/soc/codecs/tas2781.h > new file mode 100644 > index 000000000000..d77ca85fc016 > --- /dev/null > +++ b/sound/soc/codecs/tas2781.h > @@ -0,0 +1,160 @@ > +/* SPDX-License-Identifier: GPL-2.0 */ > +// > +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier > +// > +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated > +// https://www.ti.com > +// > +// The TAS2781 driver implements a flexible and configurable > +// algo coefficient setting for one, two, or even multiple > +// TAS2781 chips. > +// > +// Author: Shenghao Ding <shenghao-ding@ti.com> > +// Author: Kevin Lu <kevin-lu@ti.com> > +// > + > +#ifndef __TAS2781_H__ > +#define __TAS2781_H__ > + > +#include "tas2781-dsp.h" > + > +#define TAS2781_DRV_VER 1 /* version number */ > +#define SMARTAMP_MODULE_NAME "tas2781" > +#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\ > + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ > + SNDRV_PCM_RATE_88200) > +#define TASDEVICE_MAX_CHANNELS 8 > + > +#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ > + SNDRV_PCM_FMTBIT_S24_LE | \ > + SNDRV_PCM_FMTBIT_S32_LE) > + > +/*PAGE Control Register (available in page0 of each book) */ > +#define TASDEVICE_PAGE_SELECT 0x00 > +#define TASDEVICE_BOOKCTL_PAGE 0x00 > +#define TASDEVICE_BOOKCTL_REG 127 > +#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128)) > +#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128) > +#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128) > +#define TASDEVICE_PGRG(reg) ((reg % (256 * 128))) > +#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \ > + (page * 128)) + reg) > + > +/*Software Reset */ > +#define TAS2871_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x02) > +#define TAS2871_REG_SWRESET_RESET BIT(0) > + > +/* Enable Global addresses */ > +#define TAS2871_MISC_CFG2 TASDEVICE_REG(0x0, 0X0, 0x07) > +#define TAS2871_GLOBAL_ADDR_MASK BIT(1) > +#define TAS2871_GLOBAL_ADDR_ENABLE BIT(1) > + > +/*I2C Checksum */ > +#define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E) > + > +/* Volume control */ > +#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A) > +#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) > +#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) > + > +#define TASDEVICE_CMD_SING_W 0x1 > +#define TASDEVICE_CMD_BURST 0x2 > +#define TASDEVICE_CMD_DELAY 0x3 > +#define TASDEVICE_CMD_FIELD_W 0x4 > + > +enum audio_device { > + TAS2781 = 0, > +}; > + > +#define SMS_HTONS(a, b) ((((a)&0x00FF)<<8) | ((b)&0x00FF)) > +#define SMS_HTONL(a, b, c, d) ((((a)&0x000000FF)<<24) | \ > + (((b)&0x000000FF)<<16) | (((c)&0x000000FF)<<8) | \ > + ((d)&0x000000FF)) > + > +struct tasdevice { > + struct tasdevice_fw *cali_data_fmw; > + unsigned int dev_addr; > + unsigned int err_code; > + unsigned char cur_book; > + short cur_prog; > + short cur_conf; > + bool is_loading; > + bool is_loaderr; > + bool is_calibrated_data_loaded; > +}; > + > +/* > + * This item is used to store the generic i2c address of > + * all the tas2781 devices for I2C broadcast during the multi-device > + * writes, useless in mono case. > + */ > +struct global_addr { > + unsigned int dev_addr; > + unsigned char cur_book; > + int ref_cnt; > +}; > + > +struct tasdevice_irqinfo { > + int irq_gpio; > + int irq; > +}; > + > +struct tasdevice_priv { > + struct device *dev; > + struct regmap *regmap; > + struct mutex codec_lock; > + struct gpio_desc *reset; > + struct tasdevice tasdevice[max_chn]; > + struct tasdevice_fw *fmw; > + struct tasdevice_rca rcabin; > + struct tasdevice_irqinfo irq_info; > + struct global_addr glb_addr; > + unsigned int chip_id; > + unsigned int magic_num; > + unsigned int sysclk; > + unsigned char ndev; > + unsigned char dev_name[32]; > + unsigned char rca_binaryname[64]; > + unsigned char coef_binaryname[64]; > + unsigned char cal_binaryname[max_chn][64]; > + unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; > + void *client; > + void *codec; > + bool is_glb_calibrated_data_loaded; > + bool isacpi; > + int cur_prog; > + int cur_conf; > + int fw_state; > + void (*set_global_mode)(struct tasdevice_priv *tas_dev); > + int (*fw_parse_variable_header)(struct tasdevice_priv *tas_dev, > + const struct firmware *fmw, int offset); > + int (*fw_parse_program_data)(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, > + const struct firmware *fmw, int offset); > + int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_dev, > + struct tasdevice_fw *tas_fmw, > + const struct firmware *fmw, int offset); > + int (*tasdevice_load_block)(struct tasdevice_priv *tas_dev, > + struct tasdev_blk *pBlock); > +}; > + > +int tasdevice_dev_read(struct tasdevice_priv *tasdevice, > + enum channel chn, unsigned int reg, unsigned int *value); > +int tasdevice_process_block(void *context, > + unsigned char *data, unsigned char dev_idx, int sublocksize); > +int tasdevice_dev_write(struct tasdevice_priv *tasdevice, > + enum channel chn, unsigned int reg, unsigned int value); > + > +int tasdevice_dev_bulk_write( > + struct tasdevice_priv *tasdevice, enum channel chn, > + unsigned int reg, unsigned char *p_data, unsigned int n_length); > + > +int tasdevice_dev_bulk_read(struct tasdevice_priv *tasdevice, > + enum channel chn, unsigned int reg, unsigned char *p_data, > + unsigned int n_length); > + > +int tasdevice_dev_update_bits( > + struct tasdevice_priv *tasdevice, enum channel chn, > + unsigned int reg, unsigned int mask, unsigned int value); > + > +#endif /*__TAS2781_H__ */

diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 07747565c3b5..e1afe1ced5d7 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -229,6 +229,7 @@ config SND_SOC_ALL_CODECS imply SND_SOC_TAS2764 imply SND_SOC_TAS2770 imply SND_SOC_TAS2780 + imply SND_SOC_TAS2781 imply SND_SOC_TAS5086 imply SND_SOC_TAS571X imply SND_SOC_TAS5720 @@ -1637,6 +1638,17 @@ config SND_SOC_TAS2780 Enable support for Texas Instruments TAS2780 high-efficiency digital input mono Class-D audio power amplifiers. +config SND_SOC_TAS2781 + tristate "Texas Instruments TAS2781 speaker amplifier" + depends on I2C + select REGMAP_I2C + select CRC8 + help + Enable support for Texas Instruments TAS2781 Smart Amplifier + Digital input mono Class-D and DSP-inside audio power amplifiers. + Note the TAS2781 driver implements a flexible and configurable + algo coff setting, for one, two, even multiple TAS2781 chips. + config SND_SOC_TAS5086 tristate "Texas Instruments TAS5086 speaker amplifier" depends on I2C diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index f1ca18f7946c..5559b9e9cc17 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -262,6 +262,7 @@ snd-soc-tas5805m-objs := tas5805m.o snd-soc-tas6424-objs := tas6424.o snd-soc-tda7419-objs := tda7419.o snd-soc-tas2770-objs := tas2770.o +snd-soc-tas2781-objs := tas2781-i2c.o tas2781-dsp.o snd-soc-tfa9879-objs := tfa9879.o snd-soc-tfa989x-objs := tfa989x.o snd-soc-tlv320adc3xxx-objs := tlv320adc3xxx.o @@ -619,6 +620,7 @@ obj-$(CONFIG_SND_SOC_TAS2552) += snd-soc-tas2552.o obj-$(CONFIG_SND_SOC_TAS2562) += snd-soc-tas2562.o obj-$(CONFIG_SND_SOC_TAS2764) += snd-soc-tas2764.o obj-$(CONFIG_SND_SOC_TAS2780) += snd-soc-tas2780.o +obj-$(CONFIG_SND_SOC_TAS2781) += snd-soc-tas2781.o obj-$(CONFIG_SND_SOC_TAS5086) += snd-soc-tas5086.o obj-$(CONFIG_SND_SOC_TAS571X) += snd-soc-tas571x.o obj-$(CONFIG_SND_SOC_TAS5720) += snd-soc-tas5720.o diff --git a/sound/soc/codecs/tas2781-dsp.c b/sound/soc/codecs/tas2781-dsp.c new file mode 100644 index 000000000000..a0f5e958d7fe --- /dev/null +++ b/sound/soc/codecs/tas2781-dsp.c @@ -0,0 +1,2242 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for one, two, or even multiple +// TAS2781 chips. +// +// Author: Shenghao Ding <shenghao-ding@ti.com> +// Author: Kevin Lu <kevin-lu@ti.com> +// + +#include <linux/crc8.h> +#include <linux/firmware.h> +#include <linux/fs.h> +#include <linux/i2c.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <linux/string.h> + +#include "tas2781.h" + +#define ERROR_PRAM_CRCCHK 0x0000000 +#define ERROR_YRAM_CRCCHK 0x0000001 +#define PPC_DRIVER_CRCCHK 0x00000200 + +#define TAS2781_SA_COEFF_SWAP_REG TASDEVICE_REG(0, 0x35, 0x2c) +#define TAS2781_YRAM_BOOK1 140 +#define TAS2781_YRAM1_PAGE 42 +#define TAS2781_YRAM1_START_REG 88 + +#define TAS2781_YRAM2_START_PAGE 43 +#define TAS2781_YRAM2_END_PAGE 49 +#define TAS2781_YRAM2_START_REG 8 +#define TAS2781_YRAM2_END_REG 127 + +#define TAS2781_YRAM3_PAGE 50 +#define TAS2781_YRAM3_START_REG 8 +#define TAS2781_YRAM3_END_REG 27 + +/*should not include B0_P53_R44-R47 */ +#define TAS2781_YRAM_BOOK2 0 +#define TAS2781_YRAM4_START_PAGE 50 +#define TAS2781_YRAM4_END_PAGE 60 + +#define TAS2781_YRAM5_PAGE 61 +#define TAS2781_YRAM5_START_REG 8 +#define TAS2781_YRAM5_END_REG 27 + +#define TASDEVICE_MAXPROGRAM_NUM_KERNEL 5 +#define TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS 64 +#define TASDEVICE_MAXCONFIG_NUM_KERNEL 10 +#define MAIN_ALL_DEVICES_1X 0x01 +#define MAIN_DEVICE_A_1X 0x02 +#define MAIN_DEVICE_B_1X 0x03 +#define MAIN_DEVICE_C_1X 0x04 +#define MAIN_DEVICE_D_1X 0x05 +#define COEFF_DEVICE_A_1X 0x12 +#define COEFF_DEVICE_B_1X 0x13 +#define COEFF_DEVICE_C_1X 0x14 +#define COEFF_DEVICE_D_1X 0x15 +#define PRE_DEVICE_A_1X 0x22 +#define PRE_DEVICE_B_1X 0x23 +#define PRE_DEVICE_C_1X 0x24 +#define PRE_DEVICE_D_1X 0x25 + +struct tas_crc { + unsigned char offset; + unsigned char len; +}; + +const char deviceNumber[TASDEVICE_DSP_TAS_MAX_DEVICE] = { + 1, 2, 1, 2, 1, 1, 0, 2, 4, 3, 1, 2, 3, 4 +}; + +static int fw_parse_block_data_kernel(struct tasdevice_fw *tas_fmw, + struct tasdev_blk *block, const struct firmware *fmw, int offset) +{ + const unsigned char *data = fmw->data; + + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + block->type = SMS_HTONL(data[offset], + data[offset + 1], data[offset + 2], + data[offset + 3]); + offset += 4; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: PChkSumPresent error\n", __func__); + offset = -EINVAL; + goto out; + } + block->is_pchksum_present = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: mnPChkSum error\n", __func__); + offset = -EINVAL; + goto out; + } + block->pchksum = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: YChkSumPresent error\n", __func__); + offset = -EINVAL; + goto out; + } + block->is_ychksum_present = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: mnYChkSum error\n", __func__); + offset = -EINVAL; + goto out; + } + block->ychksum = data[offset]; + offset++; + + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: blk_size error\n", __func__); + offset = -EINVAL; + goto out; + } + block->blk_size = SMS_HTONL(data[offset], data[offset + 1], + data[offset + 2], data[offset + 3]); + offset += 4; + + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: nSublocks error\n", __func__); + offset = -EINVAL; + goto out; + } + block->nr_subblocks = SMS_HTONL(data[offset], data[offset + 1], + data[offset + 2], data[offset + 3]); + offset += 4; + + block->data = kzalloc(block->blk_size, GFP_KERNEL); + if (!block->data) { + offset = -EINVAL; + goto out; + } + memcpy(block->data, &data[offset], block->blk_size); + offset += block->blk_size; +out: + return offset; +} + +static int fw_parse_data_kernel(struct tasdevice_fw *tas_fmw, + struct tasdevice_data *img_data, const struct firmware *fmw, + int offset) +{ + const unsigned char *data = fmw->data; + struct tasdev_blk *blk; + unsigned int nr_block; + + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + img_data->nr_blk = SMS_HTONL(data[offset], + data[offset + 1], data[offset + 2], data[offset + 3]); + offset += 4; + + img_data->dev_blks = + kcalloc(img_data->nr_blk, sizeof(struct tasdev_blk), + GFP_KERNEL); + if (!img_data->dev_blks) { + offset = -ENOMEM; + goto out; + } + + for (nr_block = 0; nr_block < img_data->nr_blk; nr_block++) { + blk = &(img_data->dev_blks[nr_block]); + offset = fw_parse_block_data_kernel(tas_fmw, blk, fmw, offset); + if (offset < 0) { + offset = -EINVAL; + break; + } + } +out: + return offset; +} + +static int fw_parse_program_data_kernel( + struct tasdevice_priv *tas_dev, struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset) +{ + struct tasdevice_prog *program; + unsigned int nr_program; + + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { + program = &(tas_fmw->programs[nr_program]); + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 64; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: AppMode error\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "PDMI2SMode err\n"); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: ISnsPD error\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: VSnsPD error\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + //skip 3-byte reserved + offset += 3; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: PowerLDG err\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + offset = fw_parse_data_kernel(tas_fmw, &(program->dev_data), + fmw, offset); + if (offset < 0) + goto out; + } +out: + return offset; +} + +static int fw_parse_configuration_data_kernel( + struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) +{ + const unsigned char *data = fmw->data; + struct tasdevice_config *config; + unsigned int nr_conf; + + for (nr_conf = 0; nr_conf < tas_fmw->nr_configurations; nr_conf++) { + config = &(tas_fmw->configs[nr_conf]); + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); + offset = -EINVAL; + goto out; + } + memcpy(config->name, &data[offset], 64); + offset += 64; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "orientation err\n"); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: Devices error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 1; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: Program error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 2; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "SamplingRate err\n"); + offset = -EINVAL; + goto out; + } + offset += 4; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: PLLSrc error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 2; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: FsRate error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 2; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: PLLRate err\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + offset = fw_parse_data_kernel(tas_fmw, + &(config->dev_data), fmw, offset); + if (offset < 0) + goto out; + } +out: + return offset; +} + +static int fw_parse_variable_header_kernel( + struct tasdevice_priv *tas_dev, const struct firmware *fmw, int offset) +{ + struct tasdevice_fw *tas_fmw = tas_dev->fmw; + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); + struct tasdevice_prog *program; + struct tasdevice_config *config; + const unsigned char *buf = fmw->data; + unsigned int nr_program, nr_configs; + unsigned short max_confs; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device_family = SMS_HTONS(buf[offset], buf[offset + 1]); + if (fw_hdr->device_family != 0) { + dev_err(tas_dev->dev, "%s:not TAS device\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 2; + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: Device error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device = SMS_HTONS(buf[offset], buf[offset + 1]); + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || + fw_hdr->device == 6) { + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); + offset = -EINVAL; + goto out; + } + offset += 2; + fw_hdr->ndev = deviceNumber[fw_hdr->device]; + + if (fw_hdr->ndev != tas_dev->ndev) { + dev_err(tas_dev->dev, + "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n", + __func__, fw_hdr->ndev, tas_dev->ndev); + offset = -EINVAL; + goto out; + } + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnPrograms error\n", __func__); + offset = -EINVAL; + goto out; + } + tas_fmw->nr_programs = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + + if (tas_fmw->nr_programs == 0 || tas_fmw->nr_programs > + TASDEVICE_MAXPROGRAM_NUM_KERNEL) { + dev_err(tas_dev->dev, "%s: mnPrograms is invalid\n", __func__); + offset = -EINVAL; + goto out; + } + + if (offset + 4 * TASDEVICE_MAXPROGRAM_NUM_KERNEL > fmw->size) { + dev_err(tas_dev->dev, "%s: mpPrograms error\n", __func__); + offset = -EINVAL; + goto out; + } + + tas_fmw->programs = kcalloc(tas_fmw->nr_programs, + sizeof(struct tasdevice_prog), GFP_KERNEL); + if (!tas_fmw->programs) { + offset = -ENOMEM; + goto out; + } + + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { + program = &(tas_fmw->programs[nr_program]); + program->prog_size = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + } + + /* Skip the unused prog_size + * nr_program == tas_fmw->nr_programs, nr_program is shorter than + * tas_fmw->nr_programs, avoid more than 80 chars + */ + offset += (4 * (TASDEVICE_MAXPROGRAM_NUM_KERNEL - nr_program)); + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: Configurations error\n", __func__); + offset = -EINVAL; + goto out; + } + tas_fmw->nr_configurations = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + + /* The max of conf for more than equal to 4 pcs of devices is different + * from the one less than 4 pcs of tas2781s. + */ + max_confs = (fw_hdr->ndev >= 4) ? + TASDEVICE_MAXCONFIG_NUM_KERNEL_MULTIPLE_AMPS : + TASDEVICE_MAXCONFIG_NUM_KERNEL; + if (tas_fmw->nr_configurations == 0 || + tas_fmw->nr_configurations > max_confs) { + dev_err(tas_dev->dev, "%s: Conf is invalid\n", __func__); + offset = -EINVAL; + goto out; + } + + if (offset + 4 * max_confs > fmw->size) { + dev_err(tas_dev->dev, "%s: mpConfigurations err\n", __func__); + offset = -EINVAL; + goto out; + } + + tas_fmw->configs = kcalloc(tas_fmw->nr_configurations, + sizeof(struct tasdevice_config), GFP_KERNEL); + if (!tas_fmw->configs) { + offset = -ENOMEM; + goto out; + } + + for (nr_configs = 0; nr_configs < tas_fmw->nr_programs; + nr_configs++) { + config = + &(tas_fmw->configs[nr_configs]); + config->cfg_size = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + offset += 4; + } + + /* Skip the unused configs */ + offset += 4 * (max_confs - nr_configs); +out: + return offset; +} + +static int tasdevice_load_block_kernel( + struct tasdevice_priv *tasdevice, struct tasdev_blk *block) +{ + struct tasdevice_dspfw_hdr *fw_hdr = &(tasdevice->fmw->fw_hdr); + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr); + const unsigned int blk_size = block->blk_size; + unsigned int i, length; + unsigned char *data = block->data; + unsigned char dev_idx = 0; + + if (fw_fixed_hdr->ppcver >= PPC3_VERSION) { + switch (block->type) { + case MAIN_ALL_DEVICES_1X: + dev_idx = 0x80; + break; + case MAIN_DEVICE_A_1X: + dev_idx = 0x81; + break; + case COEFF_DEVICE_A_1X: + case PRE_DEVICE_A_1X: + dev_idx = 0xC1; + break; + case MAIN_DEVICE_B_1X: + dev_idx = 0x82; + break; + case COEFF_DEVICE_B_1X: + case PRE_DEVICE_B_1X: + dev_idx = 0xC2; + break; + case MAIN_DEVICE_C_1X: + dev_idx = 0x83; + break; + case COEFF_DEVICE_C_1X: + case PRE_DEVICE_C_1X: + dev_idx = 0xC3; + break; + case MAIN_DEVICE_D_1X: + dev_idx = 0x84; + break; + case COEFF_DEVICE_D_1X: + case PRE_DEVICE_D_1X: + dev_idx = 0xC4; + break; + default: + dev_info(tasdevice->dev, + "%s: load block: Other Type = 0x%02x\n", + __func__, block->type); + break; + } + } else { + switch (block->type) { + case MAIN_ALL_DEVICES: + dev_idx = 0|0x80; + break; + case MAIN_DEVICE_A: + dev_idx = 0x81; + break; + case COEFF_DEVICE_A: + case PRE_DEVICE_A: + dev_idx = 0xC1; + break; + case MAIN_DEVICE_B: + dev_idx = 0x82; + break; + case COEFF_DEVICE_B: + case PRE_DEVICE_B: + dev_idx = 0xC2; + break; + case MAIN_DEVICE_C: + dev_idx = 0x83; + break; + case COEFF_DEVICE_C: + case PRE_DEVICE_C: + dev_idx = 0xC3; + break; + case MAIN_DEVICE_D: + dev_idx = 0x84; + break; + case COEFF_DEVICE_D: + case PRE_DEVICE_D: + dev_idx = 0xC4; + break; + default: + dev_info(tasdevice->dev, + "%s: load block: Other Type = 0x%02x\n", + __func__, block->type); + break; + } + } + + for (i = 0, length = 0; i < block->nr_subblocks; i++) { + int rc = tasdevice_process_block(tasdevice, data + length, + dev_idx, blk_size - length); + if (rc < 0) { + dev_err(tasdevice->dev, + "%s: %u %u sublock write error\n", + __func__, length, blk_size); + break; + } + length += (unsigned int)rc; + if (blk_size < length) { + dev_err(tasdevice->dev, + "%s: %u %u out of boundary\n", + __func__, length, blk_size); + break; + } + } + + return 0; +} + +static int fw_parse_variable_header_git(struct tasdevice_priv + *tas_dev, const struct firmware *fmw, int offset) +{ + struct tasdevice_fw *tas_fmw = tas_dev->fmw; + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); + const unsigned char *buf = fmw->data; + int len = strlen((char *)&buf[offset]); + + len++; + + if (offset + len > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + + offset += len; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device_family = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + if (fw_hdr->device_family != 0) { + dev_err(tas_dev->dev, "%s: not TAS device\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || + fw_hdr->device == 6) { + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); + offset = -EINVAL; + goto out; + } + offset += 4; + fw_hdr->ndev = deviceNumber[fw_hdr->device]; + if (fw_hdr->ndev != tas_dev->ndev) { + dev_err(tas_dev->dev, + "%s: ndev(%u) in dspbin mismatch ndev(%u) in DTS\n", + __func__, fw_hdr->ndev, + tas_dev->ndev); + offset = -EINVAL; + } + +out: + return offset; +} + +static int fw_parse_variable_hdr_cal(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) +{ + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); + const unsigned char *buf = fmw->data; + int len = strlen((char *)&buf[offset]); + + len++; + + if (offset + len > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + + offset += len; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: DeviceFamily error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device_family = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + if (fw_hdr->device_family != 0) { + dev_err(tas_dev->dev, "%s: not TAS device\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: Device error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_hdr->device = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + if (fw_hdr->device >= TASDEVICE_DSP_TAS_MAX_DEVICE || + fw_hdr->device == 6) { + dev_err(tas_dev->dev, "Unsupported dev %d\n", fw_hdr->device); + offset = -EINVAL; + goto out; + } + offset += 4; + fw_hdr->ndev = deviceNumber[fw_hdr->device]; + if (fw_hdr->ndev != 1) { + dev_err(tas_dev->dev, + "%s: calbin must be 1, but currently ndev(%u)\n", + __func__, fw_hdr->ndev); + offset = -EINVAL; + } + +out: + return offset; +} + +static inline void tas2781_clear_calfirmware(struct tasdevice_fw + *tas_fmw) +{ + unsigned int blks; + int i; + + if (tas_fmw->calibrations) { + struct tasdevice_calibration *calibration; + + for (i = 0; i < tas_fmw->nr_calibrations; i++) { + calibration = &(tas_fmw->calibrations[i]); + if (calibration) { + struct tasdevice_data *im = + &(calibration->dev_data); + + if (im->dev_blks) { + struct tasdev_blk *block; + + for (blks = 0; blks < im->nr_blk; + blks++) { + block = &(im->dev_blks[blks]); + kfree(block->data); + } + kfree(im->dev_blks); + } + } + } + kfree(tas_fmw->calibrations); + } + kfree(tas_fmw); +} + +static int fw_parse_block_data(struct tasdevice_fw *tas_fmw, + struct tasdev_blk *block, const struct firmware *fmw, int offset) +{ + unsigned char *data = (unsigned char *)fmw->data; + int n; + + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: Type error\n", __func__); + offset = -EINVAL; + goto out; + } + block->type = SMS_HTONL(data[offset], data[offset + 1], + data[offset + 2], data[offset + 3]); + offset += 4; + + if (tas_fmw->fw_hdr.fixed_hdr.drv_ver >= + PPC_DRIVER_CRCCHK) { + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "PChkSumPresent error\n"); + offset = -EINVAL; + goto out; + } + block->is_pchksum_present = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: PChkSum error\n", __func__); + offset = -EINVAL; + goto out; + } + block->pchksum = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "YChkSumPresent error\n"); + offset = -EINVAL; + goto out; + } + block->is_ychksum_present = data[offset]; + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_fmw->dev, "%s: YChkSum error\n", __func__); + offset = -EINVAL; + goto out; + } + block->ychksum = data[offset]; + offset++; + } else { + block->is_pchksum_present = 0; + block->is_ychksum_present = 0; + } + if (offset + 4 > fmw->size) { + dev_err(tas_fmw->dev, "%s: Commands error\n", __func__); + offset = -EINVAL; + goto out; + } + block->nr_cmds = SMS_HTONL(data[offset], data[offset + 1], + data[offset + 2], data[offset + 3]); + offset += 4; + + n = block->nr_cmds * 4; + if (offset + n > fmw->size) { + dev_err(tas_fmw->dev, + "%s: File Size(%lu) error offset = %d n = %d\n", + __func__, (unsigned long)fmw->size, offset, n); + offset = -EINVAL; + goto out; + } + block->data = kmemdup(&data[offset], n, GFP_KERNEL); + if (!block->data) { + offset = -ENOMEM; + goto out; + } + offset += n; +out: + return offset; +} + +static int fw_parse_data(struct tasdevice_fw *tas_fmw, + struct tasdevice_data *img_data, const struct firmware *fmw, + int offset) +{ + const unsigned char *data = (unsigned char *)fmw->data; + struct tasdev_blk *blk; + unsigned int nr_block; + int n; + + if (offset + 64 > fmw->size) { + dev_err(tas_fmw->dev, "%s: Name error\n", __func__); + offset = -EINVAL; + goto out; + } + memcpy(img_data->name, &data[offset], 64); + offset += 64; + + n = strlen((char *)&data[offset]); + n++; + if (offset + n > fmw->size) { + dev_err(tas_fmw->dev, "%s: Description error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += n; + + if (offset + 2 > fmw->size) { + dev_err(tas_fmw->dev, "%s: Blocks error\n", __func__); + offset = -EINVAL; + goto out; + } + img_data->nr_blk = SMS_HTONS(data[offset], data[offset + 1]); + offset += 2; + + img_data->dev_blks = + kcalloc(img_data->nr_blk, sizeof(struct tasdev_blk), + GFP_KERNEL); + if (!img_data->dev_blks) { + offset = -ENOMEM; + goto out; + } + for (nr_block = 0; nr_block < img_data->nr_blk; nr_block++) { + blk = &(img_data->dev_blks[nr_block]); + offset = fw_parse_block_data(tas_fmw, blk, fmw, offset); + if (offset < 0) { + offset = -EINVAL; + goto out; + } + } +out: + return offset; +} + +static int fw_parse_calibration_data(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) +{ + struct tasdevice_calibration *calibration; + unsigned char *data = (unsigned char *)fmw->data; + unsigned int nr_calibration = 0; + unsigned int n; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: Calibrations error\n", __func__); + offset = -EINVAL; + goto out; + } + tas_fmw->nr_calibrations = SMS_HTONS(data[offset], data[offset + 1]); + offset += 2; + + if (tas_fmw->nr_calibrations != 1) { + dev_err(tas_dev->dev, + "%s: only support one calibraiton(%d)!\n", + __func__, tas_fmw->nr_calibrations); + goto out; + } + + tas_fmw->calibrations = + kcalloc(tas_fmw->nr_calibrations, + sizeof(struct tasdevice_calibration), GFP_KERNEL); + if (!tas_fmw->calibrations) { + offset = -ENOMEM; + goto out; + } + for (nr_calibration = 0; nr_calibration < tas_fmw->nr_calibrations; + nr_calibration++) { + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "Calibrations error\n"); + offset = -EINVAL; + goto out; + } + calibration = &(tas_fmw->calibrations[nr_calibration]); + offset += 64; + + n = strlen((char *)&data[offset]); + n++; + if (offset + n > fmw->size) { + dev_err(tas_dev->dev, "Description err\n"); + offset = -EINVAL; + goto out; + } + offset += n; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: Prog err, offset = %d\n", + __func__, offset); + offset = -EINVAL; + goto out; + } + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: Conf err, offset = %d\n", + __func__, offset); + offset = -EINVAL; + goto out; + } + offset++; + + offset = fw_parse_data(tas_fmw, &(calibration->dev_data), fmw, + offset); + if (offset < 0) + goto out; + } + +out: + + return offset; +} + +static int fw_parse_program_data(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) +{ + unsigned char *buf = (unsigned char *)fmw->data; + struct tasdevice_prog *program; + int nr_program; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + tas_fmw->nr_programs = SMS_HTONS(buf[offset], buf[offset + 1]); + offset += 2; + + if (tas_fmw->nr_programs == 0) { + /*Not error in calibration Data file, return directly*/ + dev_info(tas_dev->dev, "%s: No Programs data, maybe calbin\n", + __func__); + goto out; + } + + tas_fmw->programs = + kcalloc(tas_fmw->nr_programs, sizeof(struct tasdevice_prog), + GFP_KERNEL); + if (!tas_fmw->programs) { + offset = -ENOMEM; + goto out; + } + for (nr_program = 0; nr_program < tas_fmw->nr_programs; nr_program++) { + int n = 0; + + program = &(tas_fmw->programs[nr_program]); + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "%s: mpName error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 64; + + n = strlen((char *)&buf[offset]); + n++; + if (offset + n > fmw->size) { + dev_err(tas_dev->dev, "Description err\n"); + offset = -EINVAL; + goto out; + } + + offset += n; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: AppMode err\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "PDMI2SMode err\n"); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: ISnsPD error\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: VSnsPD error\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: PowerLDG err\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + offset = fw_parse_data(tas_fmw, &(program->dev_data), fmw, + offset); + if (offset < 0) + goto out; + } +out: + return offset; +} + +static int fw_parse_configuration_data( + struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset) +{ + unsigned char *data = (unsigned char *)fmw->data; + struct tasdevice_config *config; + unsigned int n_configs; + int n; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + tas_fmw->nr_configurations = SMS_HTONS(data[offset], data[offset + 1]); + offset += 2; + + if (tas_fmw->nr_configurations == 0) { + dev_err(tas_dev->dev, "%s: Conf is zero\n", __func__); + /*Not error for calibration Data file, return directly*/ + goto out; + } + tas_fmw->configs = + kcalloc(tas_fmw->nr_configurations, + sizeof(struct tasdevice_config), GFP_KERNEL); + if (!tas_fmw->configs) { + offset = -ENOMEM; + goto out; + } + for (n_configs = 0; n_configs < tas_fmw->nr_configurations; + n_configs++) { + config = + &(tas_fmw->configs[n_configs]); + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size err\n", __func__); + offset = -EINVAL; + goto out; + } + memcpy(config->name, &data[offset], 64); + offset += 64; + + n = strlen((char *)&data[offset]); + n++; + if (offset + n > fmw->size) { + dev_err(tas_dev->dev, "Description err\n"); + offset = -EINVAL; + goto out; + } + + offset += n; + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "Device_orientation err\n"); + offset = -EINVAL; + goto out; + } + offset += 2; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: Program err\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "SampleRate err\n"); + offset = -EINVAL; + goto out; + } + offset += 4; + + if (offset + 1 > fmw->size) { + dev_err(tas_dev->dev, "%s: PLLSrc err\n", __func__); + offset = -EINVAL; + goto out; + } + offset++; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: PLLRate err\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + + if (offset + 2 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnFsRate err\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 2; + + offset = fw_parse_data(tas_fmw, &(config->dev_data), + fmw, offset); + if (offset < 0) + goto out; + } +out: + return offset; +} + +static int fw_parse_header(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, const struct firmware *fmw, int offset) +{ + struct tasdevice_dspfw_hdr *fw_hdr = &(tas_fmw->fw_hdr); + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr = &(fw_hdr->fixed_hdr); + const unsigned char magic_number[] = { 0x35, 0x35, 0x35, 0x32 }; + const unsigned char *buf = (unsigned char *)fmw->data; + + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + if (memcmp(&buf[offset], magic_number, 4)) { + dev_err(tas_dev->dev, "%s: Magic num NOT match\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnFWSize error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_fixed_hdr->fwsize = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: File Size error\n", __func__); + offset = -EINVAL; + goto out; + } + if (fw_fixed_hdr->fwsize != fmw->size) { + dev_err(tas_dev->dev, "File size not match, %lu %u", + (unsigned long)fmw->size, fw_fixed_hdr->fwsize); + offset = -EINVAL; + goto out; + } + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnChecksum error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnPPCVersion error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_fixed_hdr->ppcver = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnFWVersion error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnDriverVersion error\n", __func__); + offset = -EINVAL; + goto out; + } + fw_fixed_hdr->drv_ver = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + offset += 4; + if (offset + 4 > fmw->size) { + dev_err(tas_dev->dev, "%s: mnTimeStamp error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 4; + if (offset + 64 > fmw->size) { + dev_err(tas_dev->dev, "%s: mpDDCName error\n", __func__); + offset = -EINVAL; + goto out; + } + offset += 64; + + out: + return offset; +} + +/* Return Code: + * true -- the registers are in the inpage yram + * false -- the registers are NOT in the inpage yram + */ +static bool check_inpage_yram(struct tas_crc *cd, unsigned char book, + unsigned char page, unsigned char reg, unsigned char len) +{ + bool in = false; + + if (book == TAS2781_YRAM_BOOK1) { + if (page == TAS2781_YRAM1_PAGE) { + if (reg >= TAS2781_YRAM1_START_REG) { + cd->offset = reg; + cd->len = len; + in = true; + } else if (reg + len > TAS2781_YRAM1_START_REG) { + cd->offset = TAS2781_YRAM1_START_REG; + cd->len = + len - (TAS2781_YRAM1_START_REG - reg); + in = true; + } + } else if (page == TAS2781_YRAM3_PAGE) { + if (reg <= TAS2781_YRAM3_END_REG && + reg >= TAS2781_YRAM3_START_REG) { + if ((reg + len) > TAS2781_YRAM3_END_REG) + cd->len = + TAS2781_YRAM3_END_REG - reg + 1; + else + cd->len = len; + in = true; + cd->offset = reg; + } else if (reg < TAS2781_YRAM3_START_REG) { + if (reg + len - 1 >= TAS2781_YRAM3_START_REG) { + cd->offset = TAS2781_YRAM3_START_REG; + cd->len = + len - (TAS2781_YRAM3_START_REG - reg); + in = true; + } + } + } + } else if (book == + TAS2781_YRAM_BOOK2) { + if (page == TAS2781_YRAM5_PAGE) { + if (reg <= TAS2781_YRAM5_END_REG && + reg >= TAS2781_YRAM5_START_REG) { + if (reg + len > TAS2781_YRAM5_END_REG) + cd->len = + TAS2781_YRAM5_END_REG - reg + 1; + else + cd->len = len; + cd->offset = reg; + in = true; + } else if (reg < TAS2781_YRAM5_START_REG) { + if (reg + len - 1 >= TAS2781_YRAM5_START_REG) { + cd->offset = TAS2781_YRAM5_START_REG; + cd->len = + len - (TAS2781_YRAM5_START_REG - reg); + in = true; + } + } + } + } + + return in; +} + + +/* Return Code: + * true -- the registers are in the inblock yram + * false -- the registers are NOT in the inblock yram + */ +static bool check_inblock_yram(struct tas_crc *cd, unsigned char book, + unsigned char page, unsigned char reg, unsigned char len) +{ + bool in = false; + + if (book == TAS2781_YRAM_BOOK1) { + if (page >= TAS2781_YRAM2_START_PAGE && + page <= TAS2781_YRAM2_END_PAGE) { + if (reg <= TAS2781_YRAM2_END_REG && + reg >= TAS2781_YRAM2_START_REG) { + cd->offset = reg; + cd->len = len; + in = true; + } else if (reg < TAS2781_YRAM2_START_REG) { + if (reg + len - 1 >= + TAS2781_YRAM2_START_REG) { + cd->offset = + TAS2781_YRAM2_START_REG; + cd->len = + reg + len - TAS2781_YRAM2_START_REG; + in = true; + } + } + } + } else if (book == + TAS2781_YRAM_BOOK2) { + if (page >= TAS2781_YRAM4_START_PAGE && + page <= TAS2781_YRAM4_END_PAGE) { + if (reg <= TAS2781_YRAM2_END_REG && + reg >= TAS2781_YRAM2_START_REG) { + cd->offset = reg; + cd->len = len; + in = true; + } else if (reg < TAS2781_YRAM2_START_REG) { + if (reg + len - 1 >= + TAS2781_YRAM2_START_REG) { + cd->offset = + TAS2781_YRAM2_START_REG; + cd->len = + reg + len - TAS2781_YRAM2_START_REG; + in = true; + } + } + } + } + + return in; +} + +static bool check_yram(struct tas_crc *cd, unsigned char book, + unsigned char page, unsigned char reg, unsigned char len) +{ + bool in; + + in = check_inpage_yram(cd, book, page, reg, len); + if (in == false) + in = check_inblock_yram(cd, book, + page, reg, len); + + return in; +} + +static int do_singlereg_checksum(struct tasdevice_priv *tasdevice, + enum channel chl, unsigned char book, unsigned char page, + unsigned char reg, unsigned char val) +{ + struct tas_crc crc_data; + unsigned int nData1; + int ret; + bool in; + + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) + && (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) + && (reg >= TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) + && (reg <= (TASDEVICE_PAGE_REG( + TAS2781_SA_COEFF_SWAP_REG) + 4))) { + /*DSP swap command, pass */ + ret = 0; + goto end; + } + + in = check_yram(&crc_data, book, page, reg, 1); + if (in) { + ret = tasdevice_dev_read(tasdevice, chl, + TASDEVICE_REG(book, page, reg), &nData1); + if (ret < 0) + goto end; + + if (nData1 != val) { + dev_err(tasdevice->dev, + "B[0x%x]P[0x%x]R[0x%x] W[0x%x], R[0x%x]\n", + book, page, reg, + val, nData1); + tasdevice->tasdevice[chl].err_code |= + ERROR_YRAM_CRCCHK; + ret = -EAGAIN; + goto end; + } + + ret = crc8(tasdevice->crc8_lkp_tbl, &val, 1, 0); + } + +end: + return ret; +} + +static int do_multireg_checksum(struct tasdevice_priv *tasdevice, + enum channel chn, unsigned char book, unsigned char page, + unsigned char reg, unsigned int len) +{ + struct tas_crc crc_data; + unsigned char crc_chksum = 0; + unsigned char nBuf1[128]; + int ret, i; + bool in; + + if ((reg + len - 1) > 127) { + ret = -EINVAL; + dev_err(tasdevice->dev, "firmware error\n"); + goto end; + } + + if ((book == TASDEVICE_BOOK_ID(TAS2781_SA_COEFF_SWAP_REG)) + && (page == TASDEVICE_PAGE_ID(TAS2781_SA_COEFF_SWAP_REG)) + && (reg == TASDEVICE_PAGE_REG(TAS2781_SA_COEFF_SWAP_REG)) + && (len == 4)) { + /*DSP swap command, pass */ + ret = 0; + goto end; + } + + in = check_yram(&crc_data, book, page, reg, len); + if (in) { + if (len == 1) { + dev_err(tasdevice->dev, "firmware error\n"); + ret = -EINVAL; + goto end; + } else { + ret = tasdevice_dev_bulk_read(tasdevice, chn, + TASDEVICE_REG(book, page, crc_data.offset), + nBuf1, crc_data.len); + if (ret < 0) + goto end; + + for (i = 0; i < crc_data.len; i++) { + if ((book == TASDEVICE_BOOK_ID( + TAS2781_SA_COEFF_SWAP_REG)) + && (page == TASDEVICE_PAGE_ID( + TAS2781_SA_COEFF_SWAP_REG)) + && ((i + crc_data.offset) + >= TASDEVICE_PAGE_REG( + TAS2781_SA_COEFF_SWAP_REG)) + && ((i + crc_data.offset) + <= (TASDEVICE_PAGE_REG( + TAS2781_SA_COEFF_SWAP_REG) + + 4))) { + /*DSP swap command, bypass */ + continue; + } else + crc_chksum += + crc8(tasdevice->crc8_lkp_tbl, + &nBuf1[i], 1, 0); + } + + ret = crc_chksum; + } + } + +end: + return ret; +} + +static int tasdev_byte_chksum(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block, int chn, unsigned char book, + unsigned char page, unsigned char reg, unsigned char val, + unsigned char *crc_chksum) +{ + int ret = do_singlereg_checksum(tas_dev, chn, book, page, reg, val); + + if (ret > 0) { + *crc_chksum += (unsigned char)ret; + goto end; + } + + if (ret == -EAGAIN) { + block->nr_retry--; + if (block->nr_retry <= 0) { + if ((block->type == MAIN_ALL_DEVICES) + || (block->type == MAIN_DEVICE_A) + || (block->type == MAIN_DEVICE_B) + || (block->type == MAIN_DEVICE_C) + || (block->type == MAIN_DEVICE_D)) + tas_dev->tasdevice[chn].cur_prog = -1; + else + tas_dev->tasdevice[chn].cur_conf = -1; + } + } +end: + return ret; +} + +static int tasdev_multibyte_chksum(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block, int chn, unsigned char book, + unsigned char page, unsigned char reg, unsigned int len, + unsigned char *crc_chksum) +{ + int ret = do_multireg_checksum(tas_dev, chn, book, page, reg, len); + + if (ret > 0) { + *crc_chksum += (unsigned char)ret; + goto end; + } + + if (ret == -EAGAIN) { + block->nr_retry--; + if (block->nr_retry <= 0) { + if ((block->type == MAIN_ALL_DEVICES) + || (block->type == MAIN_DEVICE_A) + || (block->type == MAIN_DEVICE_B) + || (block->type == MAIN_DEVICE_C) + || (block->type == MAIN_DEVICE_D)) + tas_dev->tasdevice[chn].cur_prog = -1; + else + tas_dev->tasdevice[chn].cur_conf = -1; + } + } +end: + return ret; +} + +static int tasdev_multibytes_wr(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block, int chn, unsigned char book, + unsigned char page, unsigned char reg, unsigned char *data, + unsigned int len, unsigned int *nr_cmds, + unsigned char *crc_chksum) +{ + int ret; + + if (len > 1) { + ret = tasdevice_dev_bulk_write(tas_dev, chn, + TASDEVICE_REG(book, page, reg), data + 3, len); + if (ret < 0) + goto end; + if (block->is_ychksum_present) + ret = tasdev_multibyte_chksum(tas_dev, block, chn, + book, page, reg, len, crc_chksum); + + } else { + ret = tasdevice_dev_write(tas_dev, + chn, + TASDEVICE_REG(book, page, + reg), + data[3]); + if (ret < 0) + goto end; + if (block->is_ychksum_present) + ret = tasdev_byte_chksum(tas_dev, block, chn, book, + page, reg, data[3], crc_chksum); + } + + if (!block->is_ychksum_present || ret >= 0) { + *nr_cmds += 1; + if (len >= 2) + *nr_cmds += ((len - 2) / 4) + 1; + } + +end: + return ret; +} + +static int tasdev_block_chksum(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block, int chn) +{ + unsigned int nr_value; + int ret; + + ret = tasdevice_dev_read(tas_dev, chn, TASDEVICE_I2CChecksum, + &nr_value); + if (ret < 0) { + dev_err(tas_dev->dev, "%s: Chn %d\n", __func__, chn); + if ((block->type == MAIN_ALL_DEVICES) + || (block->type == MAIN_DEVICE_A) + || (block->type == MAIN_DEVICE_B) + || (block->type == MAIN_DEVICE_C) + || (block->type == MAIN_DEVICE_D)) + tas_dev->tasdevice[chn].cur_prog = -1; + else + tas_dev->tasdevice[chn].cur_conf = -1; + goto end; + } + + if ((nr_value & 0xff) != block->pchksum) { + dev_err(tas_dev->dev, "%s: Blk PChkSum Chn %d ", __func__, + chn); + dev_err(tas_dev->dev, "PChkSum = 0x%x, Reg = 0x%x\n", + block->pchksum, (nr_value & 0xff)); + tas_dev->tasdevice[chn].err_code |= ERROR_PRAM_CRCCHK; + ret = -EAGAIN; + block->nr_retry--; + + if (block->nr_retry <= 0) { + if ((block->type == MAIN_ALL_DEVICES) + || (block->type == MAIN_DEVICE_A) + || (block->type == MAIN_DEVICE_B) + || (block->type == MAIN_DEVICE_C) + || (block->type == MAIN_DEVICE_D)) + tas_dev->tasdevice[chn].cur_prog = -1; + else + tas_dev->tasdevice[chn].cur_conf = -1; + } + } else + tas_dev->tasdevice[chn].err_code &= ~ERROR_PRAM_CRCCHK; +end: + return ret; +} + +static int tasdev_load_blk(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block, int chn) +{ + unsigned int sleep_time; + unsigned int len; + unsigned int nr_cmds; + unsigned char *data = block->data; + unsigned char crc_chksum = 0; + unsigned char offset; + unsigned char book; + unsigned char page; + unsigned char val; + int ret = 0; + + while (block->nr_retry > 0) { + if (block->is_pchksum_present) { + ret = tasdevice_dev_write(tas_dev, chn, + TASDEVICE_I2CChecksum, 0); + if (ret < 0) + break; + } + + if (block->is_ychksum_present) + crc_chksum = 0; + + nr_cmds = 0; + + while (nr_cmds < block->nr_cmds) { + data = block->data + nr_cmds * 4; + + book = data[0]; + page = data[1]; + offset = data[2]; + val = data[3]; + + nr_cmds++; + /*Single byte write*/ + if (offset <= 0x7F) { + ret = tasdevice_dev_write(tas_dev, chn, + TASDEVICE_REG(book, page, offset), + val); + if (ret < 0) + goto end; + if (block->is_ychksum_present) { + ret = tasdev_byte_chksum(tas_dev, + block, chn, book, page, offset, + val, &crc_chksum); + if (ret < 0) + break; + } + continue; + } + /*sleep command*/ + if (offset == 0x81) { + /*book -- data[0] page -- data[1]*/ + sleep_time = ((book << 8) + page)*1000; + usleep_range(sleep_time, sleep_time + 50); + continue; + } + /*Multiple bytes write*/ + if (offset == 0x85) { + data += 4; + len = (book << 8) + page; + book = data[0]; + page = data[1]; + offset = data[2]; + ret = tasdev_multibytes_wr(tas_dev, block, chn, + book, page, offset, data, len, + &nr_cmds, &crc_chksum); + if (ret < 0) + break; + } + } + if (ret == -EAGAIN) { + if (block->nr_retry > 0) + continue; + } else if (ret < 0) /*err in current device, skip it*/ + break; + + if (block->is_pchksum_present) { + ret = tasdev_block_chksum(tas_dev, block, chn); + if (ret == -EAGAIN) { + if (block->nr_retry > 0) + continue; + } else if (ret < 0) /*err in current device, skip it*/ + break; + } + + if (block->is_ychksum_present) { + /* TBD, open it when FW ready */ + dev_err(tas_dev->dev, + "Blk YChkSum: FW = 0x%x, YCRC = 0x%x\n", + block->ychksum, crc_chksum); + + tas_dev->tasdevice[chn].err_code &= + ~ERROR_YRAM_CRCCHK; + ret = 0; + } + /*skip current blk*/ + break; + } +end: + return ret; +} + +static int tasdevice_load_block(struct tasdevice_priv *tas_dev, + struct tasdev_blk *block) +{ + int chnend = 0; + int ret = 0; + int chn = 0; + int rc = 0; + + switch (block->type) { + case MAIN_ALL_DEVICES: + chn = 0; + chnend = tas_dev->ndev; + break; + case MAIN_DEVICE_A: + case COEFF_DEVICE_A: + case PRE_DEVICE_A: + chn = 0; + chnend = 1; + break; + case MAIN_DEVICE_B: + case COEFF_DEVICE_B: + case PRE_DEVICE_B: + chn = 1; + chnend = 2; + break; + case MAIN_DEVICE_C: + case COEFF_DEVICE_C: + case PRE_DEVICE_C: + chn = 2; + chnend = 3; + break; + case MAIN_DEVICE_D: + case COEFF_DEVICE_D: + case PRE_DEVICE_D: + chn = 3; + chnend = 4; + break; + default: + dev_dbg(tas_dev->dev, "load blk: Other Type = 0x%02x\n", + block->type); + break; + } + + for (; chn < chnend; chn++) { + block->nr_retry = 6; + if (tas_dev->tasdevice[chn].is_loading == false) + continue; + ret = tasdev_load_blk(tas_dev, block, chn); + if (ret < 0) + dev_err(tas_dev->dev, "dev %d, Blk (%d) load error\n", + chn, block->type); + rc |= ret; + } + + return rc; +} + +static int tasdevice_load_data(struct tasdevice_priv *tas_dev, + struct tasdevice_data *dev_data) +{ + struct tasdev_blk *block; + unsigned int nr_block; + int ret = 0; + + for (nr_block = 0; nr_block < dev_data->nr_blk; nr_block++) { + block = &(dev_data->dev_blks[nr_block]); + ret = tas_dev->tasdevice_load_block(tas_dev, block); + if (ret < 0) + break; + } + + return ret; +} + +static int tasdevice_load_calibrated_data( + struct tasdevice_priv *tas_dev, struct tasdevice_data *dev_data) +{ + struct tasdev_blk *block; + unsigned int nr_block; + int ret = 0; + + for (nr_block = 0; nr_block < dev_data->nr_blk; nr_block++) { + block = &(dev_data->dev_blks[nr_block]); + ret = tasdevice_load_block(tas_dev, block); + if (ret < 0) + break; + } + + return ret; +} + +int tas2781_load_calibration(void *context, + char *file_name, enum channel i) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; + struct tasdevice *tasdev = &(tas_dev->tasdevice[i]); + const struct firmware *fw_entry; + struct tasdevice_fw *tas_fmw; + struct firmware fmw; + int ret, offset = 0; + + ret = request_firmware(&fw_entry, file_name, tas_dev->dev); + if (!ret) { + if (!fw_entry->size) { + dev_err(tas_dev->dev, + "%s: file read error: size = %lu\n", + __func__, (unsigned long)fw_entry->size); + goto out; + } + fmw.size = fw_entry->size; + fmw.data = fw_entry->data; + } else { + dev_info(tas_dev->dev, + "%s: Request firmware %s failed\n", + __func__, file_name); + goto out; + } + + tas_fmw = tasdev->cali_data_fmw = kcalloc(1, + sizeof(struct tasdevice_fw), GFP_KERNEL); + if (!tasdev->cali_data_fmw) { + dev_err(tas_dev->dev, "%s: FW memory failed!\n", __func__); + ret = -ENOMEM; + goto out; + } + tas_fmw->dev = tas_dev->dev; + offset = fw_parse_header(tas_dev, tas_fmw, &fmw, offset); + if (offset == -EINVAL) { + dev_err(tas_dev->dev, "%s: fw_parse_header EXIT!\n", __func__); + ret = offset; + goto out; + } + offset = fw_parse_variable_hdr_cal(tas_dev, tas_fmw, &fmw, offset); + if (offset == -EINVAL) { + dev_err(tas_dev->dev, + "%s: fw_parse_variable_header_cal EXIT!\n", __func__); + ret = offset; + goto out; + } + offset = fw_parse_program_data(tas_dev, tas_fmw, &fmw, offset); + if (offset < 0) { + dev_err(tas_dev->dev, "fw_parse_program_data EXIT!\n"); + ret = offset; + goto out; + } + offset = fw_parse_configuration_data(tas_dev, tas_fmw, &fmw, + offset); + if (offset < 0) { + dev_err(tas_dev->dev, "fw_parse_configuration_data EXIT!\n"); + ret = offset; + goto out; + } + offset = fw_parse_calibration_data(tas_dev, + tas_fmw, &fmw, offset); + if (offset < 0) { + dev_err(tas_dev->dev, "fw_parse_calibration_data EXIT!\n"); + ret = offset; + goto out; + } + tasdev->is_calibrated_data_loaded = true; +out: + if (fw_entry) { + release_firmware(fw_entry); + fw_entry = NULL; + } + return ret; +} + +int tasdevice_dspfw_ready(const struct firmware *fmw, void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + struct tasdevice_fw_fixed_hdr *fw_fixed_hdr; + struct tasdevice_fw *tas_fmw; + int offset = 0; + int ret = 0; + + if (!fmw || !fmw->data) { + dev_err(tas_dev->dev, "%s: Failed to read firmware %s\n", + __func__, tas_dev->coef_binaryname); + ret = -EINVAL; + goto out; + } + + tas_dev->fmw = kcalloc(1, sizeof(struct tasdevice_fw), GFP_KERNEL); + if (!tas_dev->fmw) { + ret = -ENOMEM; + goto out; + } + tas_fmw = tas_dev->fmw; + tas_fmw->dev = tas_dev->dev; + offset = fw_parse_header(tas_dev, tas_fmw, fmw, offset); + + if (offset == -EINVAL) + goto out; + fw_fixed_hdr = &(tas_fmw->fw_hdr.fixed_hdr); + switch (fw_fixed_hdr->drv_ver) { + case 0x301: + case 0x302: + case 0x502: + tas_dev->fw_parse_variable_header = + fw_parse_variable_header_kernel; + tas_dev->fw_parse_program_data = + fw_parse_program_data_kernel; + tas_dev->fw_parse_configuration_data = + fw_parse_configuration_data_kernel; + tas_dev->tasdevice_load_block = + tasdevice_load_block_kernel; + break; + case 0x202: + case 0x400: + tas_dev->fw_parse_variable_header = + fw_parse_variable_header_git; + tas_dev->fw_parse_program_data = + fw_parse_program_data; + tas_dev->fw_parse_configuration_data = + fw_parse_configuration_data; + tas_dev->tasdevice_load_block = + tasdevice_load_block; + break; + default: + if (fw_fixed_hdr->drv_ver == 0x100) { + if (fw_fixed_hdr->ppcver >= PPC3_VERSION) { + tas_dev->fw_parse_variable_header = + fw_parse_variable_header_kernel; + tas_dev->fw_parse_program_data = + fw_parse_program_data_kernel; + tas_dev->fw_parse_configuration_data = + fw_parse_configuration_data_kernel; + tas_dev->tasdevice_load_block = + tasdevice_load_block_kernel; + } else { + switch (fw_fixed_hdr->ppcver) { + case 0x00: + tas_dev->fw_parse_variable_header = + fw_parse_variable_header_git; + tas_dev->fw_parse_program_data = + fw_parse_program_data; + tas_dev->fw_parse_configuration_data = + fw_parse_configuration_data; + tas_dev->tasdevice_load_block = + tasdevice_load_block; + break; + default: + dev_err(tas_dev->dev, + "%s: PPCVersion must be 0x0 or 0x%02x", + __func__, PPC3_VERSION); + dev_err(tas_dev->dev, " Current:0x%02x\n", + fw_fixed_hdr->ppcver); + offset = -EINVAL; + break; + } + } + } else { + dev_err(tas_dev->dev, + "DriverVersion must be 0x0, 0x230 or above 0x230 "); + dev_err(tas_dev->dev, "current is 0x%02x\n", + fw_fixed_hdr->drv_ver); + offset = -EINVAL; + } + break; + } + + offset = tas_dev->fw_parse_variable_header(tas_dev, fmw, offset); + if (offset < 0) { + ret = offset; + goto out; + } + offset = tas_dev->fw_parse_program_data(tas_dev, tas_fmw, fmw, + offset); + if (offset < 0) { + ret = offset; + goto out; + } + offset = tas_dev->fw_parse_configuration_data(tas_dev, + tas_fmw, fmw, offset); + if (offset < 0) + ret = offset; + +out: + return ret; +} + +void tasdevice_calbin_remove(void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + struct tasdevice *tasdev; + int i; + + if (tas_dev) { + for (i = 0; i < tas_dev->ndev; i++) { + tasdev = &(tas_dev->tasdevice[i]); + if (tasdev->cali_data_fmw) { + tas2781_clear_calfirmware( + tasdev->cali_data_fmw); + tasdev->cali_data_fmw = NULL; + } + } + } +} + +static void tasdev_dsp_prog_blk_remove(struct tasdevice_prog *prog) +{ + struct tasdevice_data *im; + struct tasdev_blk *blk; + unsigned int nr_blk; + + if (prog) { + im = &(prog->dev_data); + + if (!im->dev_blks) + return; + + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { + blk = &(im->dev_blks[nr_blk]); + kfree(blk->data); + } + kfree(im->dev_blks); + } +} + +static void tasdev_dsp_prog_remove(struct tasdevice_prog *prog, + unsigned short nr) +{ + int i; + + for (i = 0; i < nr; i++) + tasdev_dsp_prog_blk_remove(&prog[i]); + kfree(prog); +} + +static void tasdev_dsp_cfg_blk_remove(struct tasdevice_config *cfg) +{ + struct tasdevice_data *im; + struct tasdev_blk *blk; + unsigned int nr_blk; + + if (cfg) { + im = &(cfg->dev_data); + + if (!im->dev_blks) + return; + + for (nr_blk = 0; nr_blk < im->nr_blk; nr_blk++) { + blk = &(im->dev_blks[nr_blk]); + kfree(blk->data); + } + kfree(im->dev_blks); + } +} + +static void tasdev_dsp_cfg_remove(struct tasdevice_config *config, + unsigned short nr) +{ + int i; + + for (i = 0; i < nr; i++) + tasdev_dsp_cfg_blk_remove(&config[i]); + kfree(config); +} + +void tasdevice_dsp_remove(void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + + if (tas_dev->fmw) { + struct tasdevice_fw *tas_fmw = tas_dev->fmw; + + if (tas_fmw->programs) + tasdev_dsp_prog_remove(tas_fmw->programs, + tas_fmw->nr_programs); + if (tas_fmw->configs) + tasdev_dsp_cfg_remove(tas_fmw->configs, + tas_fmw->nr_configurations); + kfree(tas_fmw); + tas_dev->fmw = NULL; + } +} + +static int tas2781_set_calibration(void *context, enum channel i, + int n_calibration) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + struct tasdevice *tasdevice = &(tas_dev->tasdevice[i]); + struct tasdevice_fw *cal_fmw = tasdevice->cali_data_fmw; + int ret = 0; + + if ((!tas_dev->fmw->programs) || (!tas_dev->fmw->configs)) { + dev_err(tas_dev->dev, "%s, Firmware not loaded\n\r", __func__); + ret = 0; + goto out; + } + + if (n_calibration == 0xFF || (n_calibration == 0x100 + && tasdevice->is_calibrated_data_loaded == false)) { + if (cal_fmw) { + tasdevice->is_calibrated_data_loaded = false; + tas2781_clear_calfirmware(cal_fmw); + cal_fmw = NULL; + } + + scnprintf(tas_dev->cal_binaryname[i], 64, "%s_cal_0x%02x.bin", + tas_dev->dev_name, tas_dev->tasdevice[i].dev_addr); + ret = tas2781_load_calibration(tas_dev, + tas_dev->cal_binaryname[i], i); + if (ret != 0) { + dev_err(tas_dev->dev, + "%s: load %s error, no-side effect\n", + __func__, tas_dev->cal_binaryname[i]); + ret = 0; + } + } + tasdevice->is_loading = true; + tasdevice->is_loaderr = false; + + if (cal_fmw) { + struct tasdevice_calibration *calibration = + cal_fmw->calibrations; + + if (calibration) + tasdevice_load_calibrated_data(tas_dev, + &(calibration->dev_data)); + } else + dev_err(tas_dev->dev, "%s: No calibrated data for dev %d\n", + __func__, i); + +out: + return ret; +} + +int tasdevice_select_tuningprm_cfg(void *context, int prm_no, + int cfg_no, int rca_conf_no) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + struct tasdevice_rca *rca = &(tas_dev->rcabin); + struct tasdevice_config_info **cfg_info = rca->cfg_info; + struct tasdevice_fw *tas_fmw = tas_dev->fmw; + struct tasdevice_prog *program; + struct tasdevice_config *conf; + int prog_status = 0; + int status, i; + + if (!tas_fmw) { + dev_err(tas_dev->dev, "%s: Firmware is NULL\n", __func__); + goto out; + } + + if (cfg_no >= tas_fmw->nr_configurations) { + dev_err(tas_dev->dev, + "%s: cfg(%d) is not in range of conf %u\n", + __func__, cfg_no, tas_fmw->nr_configurations); + goto out; + } + + if (prm_no >= tas_fmw->nr_programs) { + dev_err(tas_dev->dev, + "%s: prm(%d) is not in range of Programs %u\n", + __func__, prm_no, tas_fmw->nr_programs); + goto out; + } + + if (rca_conf_no > rca->ncfgs || rca_conf_no <= 0 || + !cfg_info) { + dev_err(tas_dev->dev, + "conf_no:%d should be in range from 0 to %u\n", + rca_conf_no, rca->ncfgs-1); + goto out; + } + + conf = &(tas_fmw->configs[cfg_no]); + for (i = 0, prog_status = 0; i < tas_dev->ndev; i++) { + if (cfg_info[rca_conf_no]->active_dev & (1 << i)) { + if (tas_dev->tasdevice[i].cur_prog != prm_no) { + tas_dev->tasdevice[i].cur_conf = -1; + tas_dev->tasdevice[i].is_loading = true; + prog_status++; + } + } else + tas_dev->tasdevice[i].is_loading = false; + tas_dev->tasdevice[i].is_loaderr = false; + } + + if (prog_status) { + program = &(tas_fmw->programs[prm_no]); + tasdevice_load_data(tas_dev, &(program->dev_data)); + for (i = 0; i < tas_dev->ndev; i++) { + if (tas_dev->tasdevice[i].is_loaderr == true) + continue; + else if (tas_dev->tasdevice[i].is_loaderr == false + && tas_dev->tasdevice[i].is_loading == true) { + struct tasdevice_fw *cal_fmw = + tas_dev->tasdevice[i].cali_data_fmw; + + if (cal_fmw) { + struct tasdevice_calibration + *calibration = + cal_fmw->calibrations; + + if (calibration) + tasdevice_load_calibrated_data( + tas_dev, + &(calibration->dev_data)); + } + tas_dev->tasdevice[i].cur_prog = prm_no; + } + } + } + + if (tas_dev->is_glb_calibrated_data_loaded == false) { + for (i = 0; i < tas_dev->ndev; i++) + tas2781_set_calibration(tas_dev, i, 0x100); + tas_dev->is_glb_calibrated_data_loaded = true; + /* Unwise to reload calibrationdata everytime, + * this code will work once even if calibrated + * data still failed to be got + */ + } + + for (i = 0, status = 0; i < tas_dev->ndev; i++) { + if (tas_dev->tasdevice[i].cur_conf != cfg_no + && (cfg_info[rca_conf_no]->active_dev & (1 << i)) + && (tas_dev->tasdevice[i].is_loaderr == false)) { + status++; + tas_dev->tasdevice[i].is_loading = true; + } else + tas_dev->tasdevice[i].is_loading = false; + } + + if (status) { + status = 0; + tasdevice_load_data(tas_dev, &(conf->dev_data)); + for (i = 0; i < tas_dev->ndev; i++) { + if (tas_dev->tasdevice[i].is_loaderr == true) { + status |= 1 << (i + 4); + continue; + } else if (tas_dev->tasdevice[i].is_loaderr == false + && tas_dev->tasdevice[i].is_loading == true) + tas_dev->tasdevice[i].cur_conf = cfg_no; + } + } else + dev_err(tas_dev->dev, + "%s: No device is in active in conf %d\n", + __func__, rca_conf_no); + + status |= cfg_info[rca_conf_no]->active_dev; +out: + return prog_status; +} diff --git a/sound/soc/codecs/tas2781-dsp.h b/sound/soc/codecs/tas2781-dsp.h new file mode 100644 index 000000000000..6c6480fb14b1 --- /dev/null +++ b/sound/soc/codecs/tas2781-dsp.h @@ -0,0 +1,180 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for one, two, or even multiple +// TAS2781 chips. +// +// Author: Shenghao Ding <shenghao-ding@ti.com> +// Author: Kevin Lu <kevin-lu@ti.com> +// + +#ifndef __TASDEVICE_DSP_H__ +#define __TASDEVICE_DSP_H__ + +#define MAIN_ALL_DEVICES 0x0d +#define MAIN_DEVICE_A 0x01 +#define MAIN_DEVICE_B 0x08 +#define MAIN_DEVICE_C 0x10 +#define MAIN_DEVICE_D 0x14 +#define COEFF_DEVICE_A 0x03 +#define COEFF_DEVICE_B 0x0a +#define COEFF_DEVICE_C 0x11 +#define COEFF_DEVICE_D 0x15 +#define PRE_DEVICE_A 0x04 +#define PRE_DEVICE_B 0x0b +#define PRE_DEVICE_C 0x12 +#define PRE_DEVICE_D 0x16 + +#define PPC3_VERSION 0x4100 +#define RCA_CONFIGID_BYPASS_ALL 0 +#define TASDEVICE_DEVICE_SUM 8 +#define TASDEVICE_CONFIG_SUM 64 + +enum channel { + top_left_Chn, + top_right_chn, + bottom_left_Chn, + bottom_right_chn, + max_chn, +}; + +enum tasdevice_dsp_dev_idx { + TASDEVICE_DSP_TAS_2555 = 0, + TASDEVICE_DSP_TAS_2555_STEREO, + TASDEVICE_DSP_TAS_2557_MONO, + TASDEVICE_DSP_TAS_2557_DUAL_MONO, + TASDEVICE_DSP_TAS_2559, + TASDEVICE_DSP_TAS_2563, + TASDEVICE_DSP_TAS_2563_DUAL_MONO = 7, + TASDEVICE_DSP_TAS_2563_QUAD, + TASDEVICE_DSP_TAS_2563_21, + TASDEVICE_DSP_TAS_2781, + TASDEVICE_DSP_TAS_2781_DUAL_MONO, + TASDEVICE_DSP_TAS_2781_21, + TASDEVICE_DSP_TAS_2781_QUAD, + TASDEVICE_DSP_TAS_MAX_DEVICE +}; + +struct tasdevice_fw_fixed_hdr { + unsigned int fwsize; + unsigned int ppcver; + unsigned int drv_ver; +}; + +struct tasdevice_dspfw_hdr { + struct tasdevice_fw_fixed_hdr fixed_hdr; + unsigned short device_family; + unsigned short device; + unsigned char ndev; +}; + +struct tasdev_blk { + int nr_retry; + unsigned int type; + unsigned char is_pchksum_present; + unsigned char pchksum; + unsigned char is_ychksum_present; + unsigned char ychksum; + unsigned int nr_cmds; + unsigned int blk_size; + unsigned int nr_subblocks; + unsigned char *data; +}; + +struct tasdevice_data { + char name[64]; + unsigned int nr_blk; + struct tasdev_blk *dev_blks; +}; +struct tasdevice_prog { + unsigned int prog_size; + struct tasdevice_data dev_data; +}; + +struct tasdevice_config { + unsigned int cfg_size; + char name[64]; + struct tasdevice_data dev_data; +}; + +struct tasdevice_calibration { + struct tasdevice_data dev_data; +}; + +struct tasdevice_fw { + struct tasdevice_dspfw_hdr fw_hdr; + unsigned short nr_programs; + struct tasdevice_prog *programs; + unsigned short nr_configurations; + struct tasdevice_config *configs; + unsigned short nr_calibrations; + struct tasdevice_calibration *calibrations; + struct device *dev; +}; + +enum tasdevice_dsp_fw_state { + TASDEVICE_DSP_FW_NONE = 0, + TASDEVICE_DSP_FW_PENDING, + TASDEVICE_DSP_FW_FAIL, + TASDEVICE_DSP_FW_ALL_OK, +}; + +enum tasdevice_bin_blk_type { + TASDEVICE_BIN_BLK_COEFF = 1, + TASDEVICE_BIN_BLK_POST_POWER_UP, + TASDEVICE_BIN_BLK_PRE_SHUTDOWN, + TASDEVICE_BIN_BLK_PRE_POWER_UP, + TASDEVICE_BIN_BLK_POST_SHUTDOWN +}; + +struct tasdevice_rca_hdr { + unsigned int img_sz; + unsigned int checksum; + unsigned int binary_version_num; + unsigned int drv_fw_version; + unsigned char plat_type; + unsigned char dev_family; + unsigned char reserve; + unsigned char ndev; + unsigned char devs[TASDEVICE_DEVICE_SUM]; + unsigned int nconfig; + unsigned int config_size[TASDEVICE_CONFIG_SUM]; +}; + +struct tasdev_blk_data { + unsigned char dev_idx; + unsigned char block_type; + unsigned short yram_checksum; + unsigned int block_size; + unsigned int n_subblks; + unsigned char *regdata; +}; + +struct tasdevice_config_info { + unsigned int nblocks; + unsigned int real_nblocks; + unsigned char active_dev; + struct tasdev_blk_data **blk_data; +}; + +struct tasdevice_rca { + struct tasdevice_rca_hdr fw_hdr; + int ncfgs; + struct tasdevice_config_info **cfg_info; + int profile_cfg_id; +}; + +int tasdevice_dspfw_ready(const struct firmware *fmw, void *context); +void tasdevice_dsp_remove(void *context); +void tasdevice_calbin_remove(void *context); +int tas2781_load_calibration(void *tas_dev, char *filename, + enum channel i); +int tasdevice_select_tuningprm_cfg(void *context, int prm, + int cfg_no, int rca_conf_no); + +#endif diff --git a/sound/soc/codecs/tas2781-i2c.c b/sound/soc/codecs/tas2781-i2c.c new file mode 100644 index 000000000000..d34b81a3a130 --- /dev/null +++ b/sound/soc/codecs/tas2781-i2c.c @@ -0,0 +1,1621 @@ +// SPDX-License-Identifier: GPL-2.0 +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for one, two, or even multiple +// TAS2781 chips. +// +// Author: Shenghao Ding <shenghao-ding@ti.com> +// Author: Kevin Lu <kevin-lu@ti.com> +// + +#include <linux/crc8.h> +#include <linux/firmware.h> +#include <linux/gpio/consumer.h> +#include <linux/i2c.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/of_irq.h> +#include <linux/pm.h> +#include <linux/regmap.h> +#include <linux/slab.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/tlv.h> + +#include "tas2781.h" + +#define TASDEVICE_CRC8_POLYNOMIAL 0x4d + +const char *blocktype[5] = { + "COEFF", + "POST_POWER_UP", + "PRE_SHUTDOWN", + "PRE_POWER_UP", + "POST_SHUTDOWN" +}; + +static const struct i2c_device_id tasdevice_id[] = { + { "tas2781", TAS2781 }, + {} +}; + +MODULE_DEVICE_TABLE(i2c, tasdevice_id); + +static const struct regmap_range_cfg tasdevice_ranges[] = { + { + .range_min = 0, + .range_max = 256 * 128, + .selector_reg = TASDEVICE_PAGE_SELECT, + .selector_mask = 0xff, + .selector_shift = 0, + .window_start = 0, + .window_len = 128, + }, +}; + +static const struct regmap_config tasdevice_regmap = { + .reg_bits = 16, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, + .ranges = tasdevice_ranges, + .num_ranges = ARRAY_SIZE(tasdevice_ranges), + .max_register = 256 * 128, +}; + +static const struct of_device_id tasdevice_of_match[] = { + { .compatible = "ti,tas2781" }, + {}, +}; + +MODULE_DEVICE_TABLE(of, tasdevice_of_match); + +int tasdevice_process_block(void *context, + unsigned char *data, unsigned char dev_idx, int sublocksize) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; + unsigned char subblk_typ = data[1]; + bool is_err = false; + int blktyp = dev_idx & 0xC0; + int idx = dev_idx & 0x3F; + int subblk_offset; + int chn, chnend; + int rc; + + if (idx) { + chn = idx-1; + chnend = idx; + } else { + if (tas_dev->set_global_mode) { + chn = tas_dev->ndev; + chnend = tas_dev->ndev + 1; + } else { + chn = 0; + chnend = tas_dev->ndev; + } + } + + for (; chn < chnend; chn++) { + if (!tas_dev->set_global_mode && + tas_dev->tasdevice[chn].is_loading == false) + continue; + + is_err = false; + subblk_offset = 2; + switch (subblk_typ) { + case TASDEVICE_CMD_SING_W: { + int i = 0; + unsigned short len = SMS_HTONS(data[2], data[3]); + + subblk_offset += 2; + if (subblk_offset + 4 * len > sublocksize) { + dev_err(tas_dev->dev, + "process_block: Out of bounary\n"); + is_err = true; + break; + } + + for (i = 0; i < len; i++) { + rc = tasdevice_dev_write(tas_dev, chn, + TASDEVICE_REG(data[subblk_offset], + data[subblk_offset + 1], + data[subblk_offset + 2]), + data[subblk_offset + 3]); + if (rc < 0) { + is_err = true; + dev_err(tas_dev->dev, + "process_block: single write error\n"); + } + subblk_offset += 4; + } + } + break; + case TASDEVICE_CMD_BURST: { + unsigned short len = + SMS_HTONS(data[2], data[3]); + + subblk_offset += 2; + if (subblk_offset + 4 + len > sublocksize) { + dev_err(tas_dev->dev, + "%s: BST Out of bounary\n", + __func__); + is_err = true; + break; + } + if (len % 4) { + dev_err(tas_dev->dev, + "%s:Bst-len(%u)not div by 4\n", + __func__, len); + break; + } + + rc = tasdevice_dev_bulk_write(tas_dev, chn, + TASDEVICE_REG(data[subblk_offset], + data[subblk_offset + 1], + data[subblk_offset + 2]), + &(data[subblk_offset + 4]), + len); + if (rc < 0) { + is_err = true; + dev_err(tas_dev->dev, + "%s: bulk_write error = %d\n", + __func__, rc); + } + subblk_offset += (len + 4); + } + break; + case TASDEVICE_CMD_DELAY: { + unsigned int sleep_time = 0; + + if (subblk_offset + 2 > sublocksize) { + dev_err(tas_dev->dev, + "%s: deley Out of bounary\n", + __func__); + is_err = true; + break; + } + sleep_time = SMS_HTONS(data[2], data[3]) * 1000; + usleep_range(sleep_time, sleep_time + 50); + subblk_offset += 2; + } + break; + case TASDEVICE_CMD_FIELD_W: + if (subblk_offset + 6 > sublocksize) { + dev_err(tas_dev->dev, + "%s: bit write Out of bounary\n", + __func__); + is_err = true; + break; + } + rc = tasdevice_dev_update_bits(tas_dev, chn, + TASDEVICE_REG(data[subblk_offset + 2], + data[subblk_offset + 3], + data[subblk_offset + 4]), + data[subblk_offset + 1], + data[subblk_offset + 5]); + if (rc < 0) { + is_err = true; + dev_err(tas_dev->dev, + "%s: update_bits error = %d\n", + __func__, rc); + } + subblk_offset += 6; + break; + default: + break; + }; + if (is_err == true && blktyp != 0) { + if (blktyp == 0x80) { + tas_dev->tasdevice[chn].cur_prog = -1; + tas_dev->tasdevice[chn].cur_conf = -1; + } else + tas_dev->tasdevice[chn].cur_conf = -1; + } + } + return subblk_offset; +} + +static void tasdevice_select_cfg_blk(void *pContext, int conf_no, + unsigned char block_type) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) pContext; + struct tasdevice_rca *rca = &(tas_dev->rcabin); + struct tasdevice_config_info **cfg_info = rca->cfg_info; + int j, k, chn, chnend; + + if (conf_no >= rca->ncfgs || conf_no < 0 || !cfg_info) { + dev_err(tas_dev->dev, + "conf_no should be not more than %u\n", + rca->ncfgs); + goto out; + } + + for (j = 0; j < (int)cfg_info[conf_no]->real_nblocks; j++) { + unsigned int length = 0, rc = 0; + + if (block_type > 5 || block_type < 2) { + dev_err(tas_dev->dev, + "block_type should be in range from 2 to 5\n"); + goto out; + } + if (block_type != cfg_info[conf_no]->blk_data[j]->block_type) + continue; + + for (k = 0; k < (int)cfg_info[conf_no]->blk_data[j]->n_subblks; + k++) { + if (cfg_info[conf_no]->blk_data[j]->dev_idx) { + chn = + cfg_info[conf_no]->blk_data[j]->dev_idx + - 1; + chnend = + cfg_info[conf_no]->blk_data[j]->dev_idx; + } else { + chn = 0; + chnend = tas_dev->ndev; + } + for (; chn < chnend; chn++) + tas_dev->tasdevice[chn].is_loading = true; + + rc = tasdevice_process_block(tas_dev, + cfg_info[conf_no]->blk_data[j]->regdata + + length, + cfg_info[conf_no]->blk_data[j]->dev_idx, + cfg_info[conf_no]->blk_data[j]->block_size - + length); + length += rc; + if (cfg_info[conf_no]->blk_data[j]->block_size < + length) { + dev_err(tas_dev->dev, + "%s: %u %u out of boundary\n", + __func__, length, + cfg_info[conf_no]->blk_data[j] + ->block_size); + break; + } + } + if (length != cfg_info[conf_no]->blk_data[j]->block_size) + dev_err(tas_dev->dev, "%s: %u %u size is not same\n", + __func__, length, + cfg_info[conf_no]->blk_data[j]->block_size); + + } + +out: + return; +} + +static struct tasdevice_config_info *tasdevice_add_config( + void *context, unsigned char *config_data, + unsigned int config_size) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; + struct tasdevice_config_info *cfg_info; + int config_offset = 0; + int i; + + cfg_info = kzalloc( + sizeof(struct tasdevice_config_info), GFP_KERNEL); + if (!cfg_info) + goto out; + + if (tas_dev->rcabin.fw_hdr.binary_version_num >= 0x105) { + if (config_offset + 64 > (int)config_size) { + dev_err(tas_dev->dev, "add config: Out of bounary\n"); + goto out; + } + config_offset += 64; + } + + if (config_offset + 4 > (int)config_size) { + dev_err(tas_dev->dev, "add config: Out of bounary\n"); + goto out; + } + cfg_info->nblocks = + SMS_HTONL(config_data[config_offset], + config_data[config_offset + 1], + config_data[config_offset + 2], config_data[config_offset + 3]); + config_offset += 4; + + cfg_info->blk_data = kcalloc( + cfg_info->nblocks, sizeof(struct tasdev_blk_data *), + GFP_KERNEL); + if (!cfg_info->blk_data) + goto out; + + cfg_info->real_nblocks = 0; + for (i = 0; i < (int)cfg_info->nblocks; i++) { + if (config_offset + 12 > config_size) { + dev_err(tas_dev->dev, + "add config: Out of bounary: i = %d nblocks = %u!\n", + i, cfg_info->nblocks); + break; + } + cfg_info->blk_data[i] = kzalloc( + sizeof(struct tasdev_blk_data), GFP_KERNEL); + if (!cfg_info->blk_data[i]) + break; + + cfg_info->blk_data[i]->dev_idx = config_data[config_offset]; + config_offset++; + + cfg_info->blk_data[i]->block_type = config_data[config_offset]; + config_offset++; + + if (cfg_info->blk_data[i]->block_type == + TASDEVICE_BIN_BLK_PRE_POWER_UP) { + if (cfg_info->blk_data[i]->dev_idx == 0) + cfg_info->active_dev = 1; + else + cfg_info->active_dev = + 1 << + (cfg_info->blk_data[i]->dev_idx - 1); + + } + cfg_info->blk_data[i]->yram_checksum = + SMS_HTONS(config_data[config_offset], + config_data[config_offset + 1]); + config_offset += 2; + cfg_info->blk_data[i]->block_size = + SMS_HTONL(config_data[config_offset], + config_data[config_offset + 1], + config_data[config_offset + 2], + config_data[config_offset + 3]); + config_offset += 4; + + cfg_info->blk_data[i]->n_subblks = + SMS_HTONL(config_data[config_offset], + config_data[config_offset + 1], + config_data[config_offset + 2], + config_data[config_offset + 3]); + + config_offset += 4; + cfg_info->blk_data[i]->regdata = kzalloc( + cfg_info->blk_data[i]->block_size, GFP_KERNEL); + if (!cfg_info->blk_data[i]->regdata) + goto out; + + if (config_offset + cfg_info->blk_data[i]->block_size + > config_size) { + dev_err(tas_dev->dev, + "%s: block_size Out of bounary: i = %d blks = %u!\n", + __func__, i, cfg_info->nblocks); + break; + } + memcpy(cfg_info->blk_data[i]->regdata, + &config_data[config_offset], + cfg_info->blk_data[i]->block_size); + config_offset += cfg_info->blk_data[i]->block_size; + cfg_info->real_nblocks += 1; + } +out: + return cfg_info; +} + +/** + * tas2781_digital_getvol - get the volum control + * @kcontrol: control pointer + * @ucontrol: User data + * Customer Kcontrol for tas2781 is primarily for regmap booking, paging + * depends on internal regmap mechanism. + * tas2781 contains book and page two-level register map, especially + * book switching will set the register BXXP00R7F, after switching to the + * correct book, then leverage the mechanism for paging to access the register. + */ +static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int invert = mc->invert; + int max = mc->max; + int ret = 0; + int val; + + /* Read the primary device as the whole */ + ret = tasdevice_dev_read(tas_dev, 0, mc->reg, &val); + if (ret) { + dev_err(tas_dev->dev, "%s, get digital vol error\n", __func__); + goto out; + } + + if (val > max) + val = max; + if (invert) + val = max - val; + if (val < 0) + val = 0; + ucontrol->value.integer.value[0] = val; + +out: + return ret; +} + +static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int invert = mc->invert; + int max = mc->max; + int err_cnt = 0; + int ret = 1; + int val, i; + + val = ucontrol->value.integer.value[0]; + if (val > max) + val = max; + if (invert) + val = max - val; + if (val < 0) + val = 0; + + if (!tas_dev->set_global_mode) { + ret = tasdevice_dev_write(tas_dev, tas_dev->ndev, + mc->reg, (unsigned int)val); + if (ret) + dev_err(tas_dev->dev, "%s, error in global mode\n", + __func__); + } + + if (!tas_dev->set_global_mode || ret == 1) { + for (i = 0; i < tas_dev->ndev; i++) { + ret = tasdevice_dev_write(tas_dev, i, mc->reg, + (unsigned int)val); + if (ret) { + err_cnt++; + dev_err(tas_dev->dev, + "set digital vol err in dev %d\n", i); + } + } + } + /* All the devices set error, return 0*/ + return (err_cnt == tas_dev->ndev) ? 0 : 1; +} + +static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int invert = mc->invert; + unsigned char mask = 0; + int max = mc->max; + int ret = 0; + int val; + + /* Read the primary device */ + ret = tasdevice_dev_read(tas_dev, 0, mc->reg, &val); + if (ret) { + dev_err(tas_dev->dev, "%s, get AMP vol error\n", __func__); + goto out; + } + + mask = (1 << fls(mc->max)) - 1; + mask <<= mc->shift; + val = (val & mask) >> mc->shift; + if (val > max) + val = max; + if (invert) + val = max - val; + if (val < 0) + val = 0; + ucontrol->value.integer.value[0] = val; + +out: + return ret; +} + +static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = + snd_soc_component_get_drvdata(codec); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + unsigned int invert = mc->invert; + unsigned char mask; + int max = mc->max; + int err_cnt = 0; + int val, i, ret; + + mask = (1 << fls(mc->max)) - 1; + mask <<= mc->shift; + val = ucontrol->value.integer.value[0]; + if (val > max) + val = max; + if (invert) + val = max - val; + if (val < 0) + val = 0; + for (i = 0; i < tas_dev->ndev; i++) { + ret = tasdevice_dev_update_bits(tas_dev, i, + mc->reg, mask, (unsigned int)(val << mc->shift)); + if (ret) { + err_cnt++; + dev_err(tas_dev->dev, "set AMP vol error in dev %d\n", + i); + } + } + + /* All the devices set error, return 0*/ + return (err_cnt == tas_dev->ndev) ? 0 : 1; +} + +static const DECLARE_TLV_DB_SCALE(dvc_tlv, -10000, 100, 0); +static const DECLARE_TLV_DB_SCALE(amp_vol_tlv, 1100, 50, 0); + +static const struct snd_kcontrol_new tas2781_snd_controls[] = { + SOC_SINGLE_RANGE_EXT_TLV("Amp Gain Volume", TAS2781_AMP_LEVEL, + 1, 0, 20, 0, tas2781_amp_getvol, + tas2781_amp_putvol, amp_vol_tlv), + SOC_SINGLE_RANGE_EXT_TLV("Digital Volume", TAS2781_DVC_LVL, + 0, 0, 200, 1, tas2781_digital_getvol, + tas2781_digital_putvol, dvc_tlv), +}; + +static int tasdevice_set_profile_id(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + + tas_dev->rcabin.profile_cfg_id = + ucontrol->value.integer.value[0]; + + return 1; +} + +static int tasdevice_info_programs(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + struct tasdevice_fw *tas_fw = tas_dev->fmw; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = (int)tas_fw->nr_programs; + + return 0; +} + +static int tasdevice_info_configurations( + struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = + snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + struct tasdevice_fw *tas_fw = tas_dev->fmw; + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = (int)tas_fw->nr_configurations - 1; + + return 0; +} + +static int tasdevice_info_profile(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 1; + uinfo->value.integer.min = 1; + uinfo->value.integer.max = max(0, tas_dev->rcabin.ncfgs); + + return 0; +} + +static int tasdevice_get_profile_id(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = + tas_dev->rcabin.profile_cfg_id; + + return 0; +} + +static int tasdevice_create_controls(struct tasdevice_priv *tas_dev) +{ + struct snd_kcontrol_new *tasdevice_profile_controls; + int nr_controls = 1; + int mix_index = 0; + int ret; + char *name; + + tasdevice_profile_controls = devm_kzalloc(tas_dev->dev, + nr_controls * sizeof(tasdevice_profile_controls[0]), + GFP_KERNEL); + if (!tasdevice_profile_controls) { + ret = -ENOMEM; + goto out; + } + + /* Create a mixer item for selecting the active profile */ + name = devm_kzalloc(tas_dev->dev, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); + if (!name) { + ret = -ENOMEM; + goto out; + } + scnprintf(name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "TASDEVICE Profile id"); + tasdevice_profile_controls[mix_index].name = name; + tasdevice_profile_controls[mix_index].iface = + SNDRV_CTL_ELEM_IFACE_MIXER; + tasdevice_profile_controls[mix_index].info = + tasdevice_info_profile; + tasdevice_profile_controls[mix_index].get = + tasdevice_get_profile_id; + tasdevice_profile_controls[mix_index].put = + tasdevice_set_profile_id; + mix_index++; + + ret = snd_soc_add_component_controls(tas_dev->codec, + tasdevice_profile_controls, + nr_controls < mix_index ? nr_controls : mix_index); + +out: + return ret; +} + +static int tasdevice_program_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = tasdev->cur_prog; + + return 0; +} + +static int tasdevice_program_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); + unsigned int nr_program = ucontrol->value.integer.value[0]; + + tasdev->cur_prog = nr_program; + + return 1; +} + +static int tasdevice_configuration_get( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tasdev = snd_soc_component_get_drvdata(codec); + + ucontrol->value.integer.value[0] = tasdev->cur_conf; + + return 0; +} + +static int tasdevice_configuration_put( + struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_component *codec = snd_soc_kcontrol_component(kcontrol); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + unsigned int nr_configuration = ucontrol->value.integer.value[0]; + + tas_dev->cur_conf = nr_configuration; + + return 1; +} + +static int tasdevice_dsp_create_control( + struct tasdevice_priv *tas_dev) +{ + struct snd_kcontrol_new *tasdevice_dsp_controls; + char *program_name, *configuration_name; + int nr_controls = 2; + int mix_index = 0; + int ret; + + tasdevice_dsp_controls = devm_kzalloc(tas_dev->dev, + nr_controls * sizeof(tasdevice_dsp_controls[0]), GFP_KERNEL); + if (!tasdevice_dsp_controls) { + ret = -ENOMEM; + goto out; + } + + /* Create a mixer item for selecting the active profile */ + program_name = devm_kzalloc(tas_dev->dev, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); + configuration_name = devm_kzalloc(tas_dev->dev, + SNDRV_CTL_ELEM_ID_NAME_MAXLEN, GFP_KERNEL); + if (!program_name || !configuration_name) { + ret = -ENOMEM; + goto out; + } + + scnprintf(program_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, "Program"); + tasdevice_dsp_controls[mix_index].name = program_name; + tasdevice_dsp_controls[mix_index].iface = + SNDRV_CTL_ELEM_IFACE_MIXER; + tasdevice_dsp_controls[mix_index].info = + tasdevice_info_programs; + tasdevice_dsp_controls[mix_index].get = + tasdevice_program_get; + tasdevice_dsp_controls[mix_index].put = + tasdevice_program_put; + mix_index++; + + scnprintf(configuration_name, SNDRV_CTL_ELEM_ID_NAME_MAXLEN, + "Configuration"); + tasdevice_dsp_controls[mix_index].name = configuration_name; + tasdevice_dsp_controls[mix_index].iface = + SNDRV_CTL_ELEM_IFACE_MIXER; + tasdevice_dsp_controls[mix_index].info = + tasdevice_info_configurations; + tasdevice_dsp_controls[mix_index].get = + tasdevice_configuration_get; + tasdevice_dsp_controls[mix_index].put = + tasdevice_configuration_put; + mix_index++; + + ret = snd_soc_add_component_controls(tas_dev->codec, + tasdevice_dsp_controls, + nr_controls < mix_index ? nr_controls : mix_index); +out: + return ret; +} + +static void tasdevice_rca_ready(const struct firmware *fmw, + void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *)context; + struct tasdevice_config_info **cfg_info = NULL; + struct tasdevice_rca_hdr *fw_hdr; + struct tasdevice_rca *rca; + const struct firmware *fw_entry; + unsigned int total_config_sz = 0; + unsigned char *buf; + int offset = 0; + int i, ret; + + mutex_lock(&tas_dev->codec_lock); + rca = &(tas_dev->rcabin); + fw_hdr = &(rca->fw_hdr); + if (!fmw || !fmw->data) { + dev_err(tas_dev->dev, + "Failed to read %s, no side - effect on driver running\n", + tas_dev->rca_binaryname); + ret = -EINVAL; + goto out; + } + buf = (unsigned char *)fmw->data; + + fw_hdr->img_sz = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + if (fw_hdr->img_sz != fmw->size) { + dev_err(tas_dev->dev, + "File size not match, %d %u", (int)fmw->size, + fw_hdr->img_sz); + ret = -EINVAL; + goto out; + } + + fw_hdr->checksum = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + fw_hdr->binary_version_num = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + if (fw_hdr->binary_version_num < 0x103) { + dev_err(tas_dev->dev, "File version 0x%04x is too low", + fw_hdr->binary_version_num); + ret = -EINVAL; + goto out; + } + offset += 4; + fw_hdr->drv_fw_version = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 8; + fw_hdr->plat_type = buf[offset]; + offset += 1; + fw_hdr->dev_family = buf[offset]; + offset += 1; + fw_hdr->reserve = buf[offset]; + offset += 1; + fw_hdr->ndev = buf[offset]; + offset += 1; + if (fw_hdr->ndev != tas_dev->ndev) { + dev_err(tas_dev->dev, + "ndev(%u) fro rcabin and ndev(%u) fro DTS NOT match\n", + fw_hdr->ndev, tas_dev->ndev); + ret = -EINVAL; + goto out; + } + if (offset + TASDEVICE_DEVICE_SUM > fw_hdr->img_sz) { + dev_err(tas_dev->dev, "rca_ready: Out of bounary!\n"); + ret = -EINVAL; + goto out; + } + + for (i = 0; i < TASDEVICE_DEVICE_SUM; i++, offset++) + fw_hdr->devs[i] = buf[offset]; + + fw_hdr->nconfig = SMS_HTONL(buf[offset], buf[offset + 1], + buf[offset + 2], buf[offset + 3]); + offset += 4; + + for (i = 0; i < TASDEVICE_CONFIG_SUM; i++) { + fw_hdr->config_size[i] = SMS_HTONL(buf[offset], + buf[offset + 1], buf[offset + 2], buf[offset + 3]); + offset += 4; + total_config_sz += fw_hdr->config_size[i]; + } + + if (fw_hdr->img_sz - total_config_sz != (unsigned int)offset) { + dev_err(tas_dev->dev, "Bin file error!\n"); + ret = -EINVAL; + goto out; + } + cfg_info = kcalloc(fw_hdr->nconfig, + sizeof(struct tasdevice_config_info *), + GFP_KERNEL); + + if (!cfg_info) { + ret = -EINVAL; + goto out; + } + rca->cfg_info = cfg_info; + rca->ncfgs = 0; + for (i = 0; i < (int)fw_hdr->nconfig; i++) { + cfg_info[i] = tasdevice_add_config(context, &buf[offset], + fw_hdr->config_size[i]); + if (!cfg_info[i]) { + ret = -EINVAL; + break; + } + offset += (int)fw_hdr->config_size[i]; + rca->ncfgs += 1; + } + tasdevice_create_controls(tas_dev); + + tasdevice_dsp_remove(tas_dev); + tasdevice_calbin_remove(tas_dev); + tas_dev->fw_state = TASDEVICE_DSP_FW_PENDING; + scnprintf(tas_dev->coef_binaryname, 64, "%s_coef.bin", + tas_dev->dev_name); + ret = request_firmware(&fw_entry, tas_dev->coef_binaryname, + tas_dev->dev); + if (!ret) { + ret = tasdevice_dspfw_ready(fw_entry, tas_dev); + release_firmware(fw_entry); + fw_entry = NULL; + } else { + tas_dev->fw_state = TASDEVICE_DSP_FW_FAIL; + dev_err(tas_dev->dev, "%s: load %s error\n", __func__, + tas_dev->coef_binaryname); + goto out; + } + tasdevice_dsp_create_control(tas_dev); + + tas_dev->fw_state = TASDEVICE_DSP_FW_ALL_OK; + tas_dev->is_glb_calibrated_data_loaded = true; + for (i = 0; i < tas_dev->ndev; i++) { + scnprintf(tas_dev->cal_binaryname[i], 64, "%s_cal_0x%02x.bin", + tas_dev->dev_name, tas_dev->tasdevice[i].dev_addr); + ret = tas2781_load_calibration(tas_dev, + tas_dev->cal_binaryname[i], i); + if (ret != 0) { + dev_err(tas_dev->dev, + "%s: load %s error, no-side effect\n", + __func__, tas_dev->cal_binaryname[i]); + ret = 0; + tas_dev->is_glb_calibrated_data_loaded = false; + } + } + +out: + mutex_unlock(&tas_dev->codec_lock); + if (fmw) + release_firmware(fmw); +} + +static void tasdevice_config_info_remove(void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + struct tasdevice_rca *rca = &(tas_dev->rcabin); + struct tasdevice_config_info **cfg_info = rca->cfg_info; + int i, j; + + if (cfg_info) { + for (i = 0; i < rca->ncfgs; i++) { + if (cfg_info[i]) { + for (j = 0; j < (int)cfg_info[i]->real_nblocks; + j++) { + kfree( + cfg_info[i]->blk_data[j]->regdata); + kfree(cfg_info[i]->blk_data[j]); + } + kfree(cfg_info[i]->blk_data); + kfree(cfg_info[i]); + } + } + kfree(cfg_info); + } +} + +static void tasdevice_tuning_switch( + struct tasdevice_priv *tas_dev, int state) +{ + struct tasdevice_fw *tas_fmw = tas_dev->fmw; + int profile_cfg_id = 0; + + if (state == 0) { + if (tas_fmw) { + if (tas_dev->cur_prog >= tas_fmw->nr_programs) + /*bypass all in rca is profile id 0*/ + profile_cfg_id = RCA_CONFIGID_BYPASS_ALL; + else { + /*dsp mode or tuning mode*/ + profile_cfg_id = + tas_dev->rcabin.profile_cfg_id; + + tasdevice_select_tuningprm_cfg(tas_dev, + tas_dev->cur_prog, + tas_dev->cur_conf, + profile_cfg_id); + if (tas_dev->set_global_mode) + tas_dev->set_global_mode(tas_dev); + } + } else + profile_cfg_id = RCA_CONFIGID_BYPASS_ALL; + + tasdevice_select_cfg_blk(tas_dev, profile_cfg_id, + TASDEVICE_BIN_BLK_PRE_POWER_UP); + } else + tasdevice_select_cfg_blk(tas_dev, + tas_dev->rcabin.profile_cfg_id, + TASDEVICE_BIN_BLK_PRE_SHUTDOWN); +} + +static int tasdevice_dapm_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_component *codec = snd_soc_dapm_to_component(w->dapm); + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + int state = 1; + + /* Codec Lock Hold */ + mutex_lock(&tas_dev->codec_lock); + if (event == SND_SOC_DAPM_PRE_PMD) + state = 0; + tasdevice_tuning_switch(tas_dev, state); + /* Codec Lock Release*/ + mutex_unlock(&tas_dev->codec_lock); + + return 0; +} + +static const struct snd_soc_dapm_widget tasdevice_dapm_widgets[] = { + SND_SOC_DAPM_AIF_IN("ASI", "ASI Playback", 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT_E("ASI OUT", "ASI Capture", 0, SND_SOC_NOPM, + 0, 0, tasdevice_dapm_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + SND_SOC_DAPM_SPK("SPK", tasdevice_dapm_event), + SND_SOC_DAPM_OUTPUT("OUT"), + SND_SOC_DAPM_INPUT("DMIC") +}; + +static const struct snd_soc_dapm_route tasdevice_audio_map[] = { + {"SPK", NULL, "ASI"}, + {"OUT", NULL, "SPK"}, + {"ASI OUT", NULL, "DMIC"} +}; + +static int tasdevice_startup(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct snd_soc_component *codec = dai->component; + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + int ret = 0; + + if (tas_dev->fw_state != TASDEVICE_DSP_FW_ALL_OK) { + dev_err(tas_dev->dev, "DSP bin file not loaded\n"); + ret = -EINVAL; + } + return ret; +} + +static int tasdevice_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) +{ + struct tasdevice_priv *tas_dev = snd_soc_dai_get_drvdata(dai); + unsigned int slot_width; + unsigned int fsrate; + int bclk_rate; + int rc = 0; + + fsrate = params_rate(params); + switch (fsrate) { + case 48000: + break; + case 44100: + break; + default: + dev_err(tas_dev->dev, "%s: incorrect sample rate = %u\n", + __func__, fsrate); + rc = -EINVAL; + goto out; + } + + slot_width = params_width(params); + switch (slot_width) { + case 16: + break; + case 20: + break; + case 24: + break; + case 32: + break; + default: + dev_err(tas_dev->dev, "%s: incorrect slot width = %u\n", + __func__, slot_width); + rc = -EINVAL; + goto out; + } + + bclk_rate = snd_soc_params_to_bclk(params); + if (bclk_rate < 0) { + dev_err(tas_dev->dev, "%s: incorrect bclk rate = %d\n", + __func__, bclk_rate); + rc = bclk_rate; + goto out; + } +out: + return rc; +} + +static int tasdevice_set_dai_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct tasdevice_priv *tas_dev = snd_soc_dai_get_drvdata(codec_dai); + + tas_dev->sysclk = freq; + + return 0; +} + +static const struct snd_soc_dai_ops tasdevice_dai_ops = { + .startup = tasdevice_startup, + .hw_params = tasdevice_hw_params, + .set_sysclk = tasdevice_set_dai_sysclk, +}; + +static struct snd_soc_dai_driver tasdevice_dai_driver[] = { + { + .name = "tas2781_codec", + .id = 0, + .playback = { + .stream_name = "Playback", + .channels_min = 1, + .channels_max = 4, + .rates = TASDEVICE_RATES, + .formats = TASDEVICE_FORMATS, + }, + .capture = { + .stream_name = "Capture", + .channels_min = 1, + .channels_max = 4, + .rates = TASDEVICE_RATES, + .formats = TASDEVICE_FORMATS, + }, + .ops = &tasdevice_dai_ops, + .symmetric_rate = 1, + }, +}; + +static void tas2781_reset(struct tasdevice_priv *tas_dev) +{ + int ret, i; + + if (tas_dev->reset) { + gpiod_set_value_cansleep(tas_dev->reset, 0); + usleep_range(500, 1000); + gpiod_set_value_cansleep(tas_dev->reset, 1); + } else { + + for (i = 0; i < tas_dev->ndev; i++) { + ret = tasdevice_dev_write(tas_dev, i, + TAS2871_REG_SWRESET, + TAS2871_REG_SWRESET_RESET); + if (ret < 0) + dev_err(tas_dev->dev, + "dev %d swreset fail, %d\n", + i, ret); + } + } + usleep_range(1000, 1050); +} + +static int tasdevice_codec_probe( + struct snd_soc_component *codec) +{ + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + int ret; + + /* Codec Lock Hold to ensure that codec_probe and firmware parsing and + * loading do not simultaneously execute. + */ + mutex_lock(&tas_dev->codec_lock); + + crc8_populate_msb(tas_dev->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL); + tas_dev->codec = codec; + scnprintf(tas_dev->rca_binaryname, 64, "%s_rca.bin", + tas_dev->dev_name); + ret = request_firmware_nowait(THIS_MODULE, FW_ACTION_UEVENT, + tas_dev->rca_binaryname, tas_dev->dev, GFP_KERNEL, tas_dev, + tasdevice_rca_ready); + if (ret) + dev_err(tas_dev->dev, "request_firmware_nowait err:0x%08x\n", + ret); + + tas2781_reset(tas_dev); + if (tas_dev->set_global_mode) + tas_dev->set_global_mode(tas_dev); + + /* Codec Lock Release*/ + mutex_unlock(&tas_dev->codec_lock); + + return ret; +} + +static void tasdevice_deinit(void *context) +{ + struct tasdevice_priv *tas_dev = (struct tasdevice_priv *) context; + + tasdevice_config_info_remove(tas_dev); + tasdevice_dsp_remove(tas_dev); + tasdevice_calbin_remove(tas_dev); + tas_dev->fw_state = TASDEVICE_DSP_FW_PENDING; +} + +static void tasdevice_codec_remove( + struct snd_soc_component *codec) +{ + struct tasdevice_priv *tas_dev = snd_soc_component_get_drvdata(codec); + + tasdevice_deinit(tas_dev); + +} + +static const struct snd_soc_component_driver + soc_codec_driver_tasdevice = { + .probe = tasdevice_codec_probe, + .remove = tasdevice_codec_remove, + .controls = tas2781_snd_controls, + .num_controls = ARRAY_SIZE(tas2781_snd_controls), + .dapm_widgets = tasdevice_dapm_widgets, + .num_dapm_widgets = ARRAY_SIZE(tasdevice_dapm_widgets), + .dapm_routes = tasdevice_audio_map, + .num_dapm_routes = ARRAY_SIZE(tasdevice_audio_map), + .idle_bias_on = 1, + .endianness = 1, +}; + +static int tasdevice_parse_dt(struct tasdevice_priv *tas_dev) +{ + struct i2c_client *client = (struct i2c_client *)tas_dev->client; + unsigned int dev_addrs[max_chn]; + int rc, i, ndev; + + if (tas_dev->isacpi) { + ndev = device_property_read_u32_array(&client->dev, + "ti,audio-slots", NULL, 0); + if (ndev <= 0) { + ndev = 1; + dev_addrs[0] = client->addr; + } else { + ndev = (ndev < ARRAY_SIZE(dev_addrs)) + ? ndev : ARRAY_SIZE(dev_addrs); + ndev = device_property_read_u32_array(&client->dev, + "ti,audio-slots", dev_addrs, ndev); + } + + tas_dev->irq_info.irq_gpio = + acpi_dev_gpio_irq_get(ACPI_COMPANION(&client->dev), 0); + } else { + struct device_node *np = tas_dev->dev->of_node; + + ndev = of_property_read_variable_u32_array(np, + "ti,audio-slots", dev_addrs, 0, ARRAY_SIZE(dev_addrs)); + if (ndev <= 0) { + ndev = 1; + dev_addrs[0] = client->addr; + } + tas_dev->irq_info.irq_gpio = of_irq_get(np, 0); + } + tas_dev->ndev = ndev; + for (i = 0; i < ndev; i++) + tas_dev->tasdevice[i].dev_addr = dev_addrs[i]; + + if (ndev > 1) { + rc = device_property_read_u32(&client->dev, + "ti,broadcast-addr", + &(tas_dev->glb_addr.dev_addr)); + if (rc) { + dev_err(tas_dev->dev, + "Looking up broadcast-addr failed %d\n", rc); + tas_dev->glb_addr.dev_addr = 0; + } + } + + tas_dev->reset = devm_gpiod_get_optional(&client->dev, + "reset-gpios", GPIOD_OUT_HIGH); + if (IS_ERR(tas_dev->reset)) + dev_err(tas_dev->dev, "%s Can't get reset GPIO\n", + __func__); + + strcpy(tas_dev->dev_name, tasdevice_id[tas_dev->chip_id].name); + + if (gpio_is_valid(tas_dev->irq_info.irq_gpio)) { + rc = gpio_request(tas_dev->irq_info.irq_gpio, + "AUDEV-IRQ"); + if (!rc) { + gpio_direction_input( + tas_dev->irq_info.irq_gpio); + + tas_dev->irq_info.irq = + gpio_to_irq(tas_dev->irq_info.irq_gpio); + } else + dev_err(tas_dev->dev, "%s: GPIO %d request error\n", + __func__, tas_dev->irq_info.irq_gpio); + } else + dev_err(tas_dev->dev, + "Looking up irq-gpio property failed %d\n", + tas_dev->irq_info.irq_gpio); + + return 0; +} + +static int tasdevice_change_chn_book(struct tasdevice_priv *tas_dev, + enum channel chn, int book) +{ + struct i2c_client *client = (struct i2c_client *)tas_dev->client; + int ret = 0; + + if (chn < tas_dev->ndev) { + if (tas_dev->glb_addr.ref_cnt != 0) { + tas_dev->glb_addr.ref_cnt = 0; + tas_dev->glb_addr.cur_book = -1; + } + client->addr = tas_dev->tasdevice[chn].dev_addr; + if (tas_dev->tasdevice[chn].cur_book != book) { + ret = regmap_write(tas_dev->regmap, + TASDEVICE_BOOKCTL_REG, book); + if (ret < 0) { + dev_err(tas_dev->dev, "%s, E=%d\n", + __func__, ret); + goto out; + } + tas_dev->tasdevice[chn].cur_book = book; + } + } else if (chn == tas_dev->ndev) { + int i = 0; + + if (tas_dev->glb_addr.ref_cnt == 0) + for (i = 0; i < tas_dev->ndev; i++) + tas_dev->tasdevice[i].cur_book = -1; + client->addr = tas_dev->glb_addr.dev_addr; + if (tas_dev->glb_addr.cur_book != book) { + ret = regmap_write(tas_dev->regmap, + TASDEVICE_BOOKCTL_PAGE, 0); + if (ret < 0) { + dev_err(tas_dev->dev, "%s, E=%d\n", + __func__, ret); + goto out; + } + ret = regmap_write(tas_dev->regmap, + TASDEVICE_BOOKCTL_REG, book); + if (ret < 0) { + dev_err(tas_dev->dev, "%s, book%x, E=%d\n", + __func__, book, ret); + goto out; + } + tas_dev->glb_addr.cur_book = book; + } + + tas_dev->glb_addr.ref_cnt++; + } else + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); + +out: + return ret; +} + +int tasdevice_dev_read(struct tasdevice_priv *tas_dev, + enum channel chn, unsigned int reg, unsigned int *val) +{ + int ret = 0; + + if (chn < tas_dev->ndev) { + ret = tasdevice_change_chn_book(tas_dev, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_read(tas_dev->regmap, + TASDEVICE_PGRG(reg), val); + if (ret < 0) + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, ret); + } else + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); + +out: + return ret; +} + +int tasdevice_dev_write(struct tasdevice_priv *tas_dev, + enum channel chn, unsigned int reg, unsigned int value) +{ + int ret = 0; + + if (chn <= tas_dev->ndev) { + ret = tasdevice_change_chn_book(tas_dev, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_write(tas_dev->regmap, + TASDEVICE_PGRG(reg), value); + if (ret < 0) + dev_err(tas_dev->dev, "%s, E=%d\n", + __func__, ret); + } else + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); +out: + return ret; +} + +int tasdevice_dev_bulk_write( + struct tasdevice_priv *tas_dev, enum channel chn, + unsigned int reg, unsigned char *data, + unsigned int len) +{ + int ret = 0; + + if (chn <= tas_dev->ndev) { + ret = tasdevice_change_chn_book(tas_dev, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_bulk_write(tas_dev->regmap, + TASDEVICE_PGRG(reg), data, len); + if (ret < 0) + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, + ret); + } else + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); +out: + return ret; +} + +int tasdevice_dev_bulk_read(struct tasdevice_priv *tas_dev, + enum channel chn, unsigned int reg, unsigned char *data, + unsigned int len) +{ + int ret = 0; + + if (chn < tas_dev->ndev) { + ret = tasdevice_change_chn_book(tas_dev, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + + ret = regmap_bulk_read(tas_dev->regmap, + TASDEVICE_PGRG(reg), data, len); + if (ret < 0) + dev_err(tas_dev->dev, "%s, E=%d\n", + __func__, ret); + } else + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); + +out: + return ret; +} + +int tasdevice_dev_update_bits( + struct tasdevice_priv *tas_dev, enum channel chn, + unsigned int reg, unsigned int mask, unsigned int value) +{ + int ret = 0; + struct i2c_client *client = + (struct i2c_client *)tas_dev->client; + + if (chn < tas_dev->ndev) { + ret = tasdevice_change_chn_book(tas_dev, chn, + TASDEVICE_BOOK_ID(reg)); + if (ret < 0) + goto out; + client->addr = tas_dev->tasdevice[chn].dev_addr; + ret = regmap_update_bits(tas_dev->regmap, + TASDEVICE_PGRG(reg), mask, value); + if (ret < 0) + dev_err(tas_dev->dev, "%s, E=%d\n", __func__, ret); + } else { + dev_err(tas_dev->dev, "%s, no such channel(%d)\n", + __func__, chn); + ret = -EINVAL; + } + +out: + return ret; +} + +static void tas2781_set_global_mode(struct tasdevice_priv *tas_dev) +{ + int i = 0; + int ret = 0; + + for (; i < tas_dev->ndev; i++) { + ret = tasdevice_dev_update_bits(tas_dev, i, + TAS2871_MISC_CFG2, TAS2871_GLOBAL_ADDR_MASK, + TAS2871_GLOBAL_ADDR_ENABLE); + if (ret < 0) { + dev_err(tas_dev->dev, "%s: chn %d set glb fail, %d\n", + __func__, i, ret); + continue; + } + } +} + +static int tasdevice_init(struct tasdevice_priv *tas_dev) +{ + int ret, i; + + tas_dev->cur_prog = -1; + tas_dev->cur_conf = -1; + + for (i = 0; i < tas_dev->ndev; i++) { + tas_dev->tasdevice[i].cur_book = -1; + tas_dev->tasdevice[i].cur_prog = -1; + tas_dev->tasdevice[i].cur_conf = -1; + } + + if (tas_dev->glb_addr.dev_addr != 0 + && tas_dev->glb_addr.dev_addr < 0x7F) + tas_dev->set_global_mode = tas2781_set_global_mode; + dev_set_drvdata(tas_dev->dev, tas_dev); + + mutex_init(&tas_dev->codec_lock); + ret = devm_snd_soc_register_component(tas_dev->dev, + &soc_codec_driver_tasdevice, + tasdevice_dai_driver, ARRAY_SIZE(tasdevice_dai_driver)); + if (ret) { + dev_err(tas_dev->dev, "%s: codec register error:0x%08x\n", + __func__, ret); + goto out; + } + +out: + return ret; +} + +static void tasdevice_remove(struct tasdevice_priv *tas_dev) +{ + if (gpio_is_valid(tas_dev->irq_info.irq_gpio)) + gpio_free(tas_dev->irq_info.irq_gpio); + + mutex_destroy(&tas_dev->codec_lock); +} + +static int tasdevice_i2c_probe(struct i2c_client *i2c) +{ + const struct i2c_device_id *id = i2c_match_id(tasdevice_id, i2c); + const struct acpi_device_id *acpi_id; + struct tasdevice_priv *tas_dev; + int ret; + + tas_dev = devm_kzalloc(&i2c->dev, sizeof(*tas_dev), GFP_KERNEL); + if (!tas_dev) { + ret = -ENOMEM; + goto out; + } + + if (ACPI_HANDLE(&i2c->dev)) { + acpi_id = acpi_match_device(i2c->dev.driver->acpi_match_table, + &i2c->dev); + if (!acpi_id) { + dev_err(&i2c->dev, "No driver data\n"); + ret = -EINVAL; + goto out; + } + tas_dev->chip_id = acpi_id->driver_data; + tas_dev->isacpi = true; + } else { + tas_dev->chip_id = id ? id->driver_data : 0; + tas_dev->isacpi = false; + } + + tas_dev->dev = &i2c->dev; + tas_dev->client = (void *)i2c; + + ret = tasdevice_parse_dt(tas_dev); + + tas_dev->regmap = devm_regmap_init_i2c(i2c, + &tasdevice_regmap); + if (IS_ERR(tas_dev->regmap)) { + ret = PTR_ERR(tas_dev->regmap); + dev_err(&i2c->dev, "Failed to allocate register map: %d\n", + ret); + goto out; + } + ret = tasdevice_init(tas_dev); + +out: + if (ret < 0 && tas_dev) + tasdevice_remove(tas_dev); + return ret; + +} + +static void tasdevice_i2c_remove(struct i2c_client *client) +{ + struct tasdevice_priv *tas_dev = i2c_get_clientdata(client); + + tasdevice_remove(tas_dev); + +} + +#ifdef CONFIG_ACPI +static const struct acpi_device_id tasdevice_acpi_match[] = { + { "TAS2781", TAS2781 }, + {}, +}; +MODULE_DEVICE_TABLE(acpi, tasdevice_acpi_match); +#endif + +static struct i2c_driver tasdevice_i2c_driver = { + .driver = { + .name = "tas2781-codec", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(tasdevice_of_match), + .acpi_match_table = ACPI_PTR(tasdevice_acpi_match), + }, + .probe = tasdevice_i2c_probe, + .remove = tasdevice_i2c_remove, + .id_table = tasdevice_id, +}; + +module_i2c_driver(tasdevice_i2c_driver); + +MODULE_AUTHOR("Shenghao Ding <shenghao-ding@ti.com>"); +MODULE_AUTHOR("Kevin Lu <kevin-lu@ti.com>"); +MODULE_DESCRIPTION("ASoC TAS2781 Driver"); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/tas2781.h b/sound/soc/codecs/tas2781.h new file mode 100644 index 000000000000..d77ca85fc016 --- /dev/null +++ b/sound/soc/codecs/tas2781.h @@ -0,0 +1,160 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +// +// ALSA SoC Texas Instruments TAS2781 Audio Smart Amplifier +// +// Copyright (C) 2022 - 2023 Texas Instruments Incorporated +// https://www.ti.com +// +// The TAS2781 driver implements a flexible and configurable +// algo coefficient setting for one, two, or even multiple +// TAS2781 chips. +// +// Author: Shenghao Ding <shenghao-ding@ti.com> +// Author: Kevin Lu <kevin-lu@ti.com> +// + +#ifndef __TAS2781_H__ +#define __TAS2781_H__ + +#include "tas2781-dsp.h" + +#define TAS2781_DRV_VER 1 /* version number */ +#define SMARTAMP_MODULE_NAME "tas2781" +#define TASDEVICE_RATES (SNDRV_PCM_RATE_44100 |\ + SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 |\ + SNDRV_PCM_RATE_88200) +#define TASDEVICE_MAX_CHANNELS 8 + +#define TASDEVICE_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ + SNDRV_PCM_FMTBIT_S24_LE | \ + SNDRV_PCM_FMTBIT_S32_LE) + +/*PAGE Control Register (available in page0 of each book) */ +#define TASDEVICE_PAGE_SELECT 0x00 +#define TASDEVICE_BOOKCTL_PAGE 0x00 +#define TASDEVICE_BOOKCTL_REG 127 +#define TASDEVICE_BOOK_ID(reg) (reg / (256 * 128)) +#define TASDEVICE_PAGE_ID(reg) ((reg % (256 * 128)) / 128) +#define TASDEVICE_PAGE_REG(reg) ((reg % (256 * 128)) % 128) +#define TASDEVICE_PGRG(reg) ((reg % (256 * 128))) +#define TASDEVICE_REG(book, page, reg) (((book * 256 * 128) + \ + (page * 128)) + reg) + +/*Software Reset */ +#define TAS2871_REG_SWRESET TASDEVICE_REG(0x0, 0X0, 0x02) +#define TAS2871_REG_SWRESET_RESET BIT(0) + +/* Enable Global addresses */ +#define TAS2871_MISC_CFG2 TASDEVICE_REG(0x0, 0X0, 0x07) +#define TAS2871_GLOBAL_ADDR_MASK BIT(1) +#define TAS2871_GLOBAL_ADDR_ENABLE BIT(1) + +/*I2C Checksum */ +#define TASDEVICE_I2CChecksum TASDEVICE_REG(0x0, 0x0, 0x7E) + +/* Volume control */ +#define TAS2781_DVC_LVL TASDEVICE_REG(0x0, 0x0, 0x1A) +#define TAS2781_AMP_LEVEL TASDEVICE_REG(0x0, 0x0, 0x03) +#define TAS2781_AMP_LEVEL_MASK GENMASK(5, 1) + +#define TASDEVICE_CMD_SING_W 0x1 +#define TASDEVICE_CMD_BURST 0x2 +#define TASDEVICE_CMD_DELAY 0x3 +#define TASDEVICE_CMD_FIELD_W 0x4 + +enum audio_device { + TAS2781 = 0, +}; + +#define SMS_HTONS(a, b) ((((a)&0x00FF)<<8) | ((b)&0x00FF)) +#define SMS_HTONL(a, b, c, d) ((((a)&0x000000FF)<<24) | \ + (((b)&0x000000FF)<<16) | (((c)&0x000000FF)<<8) | \ + ((d)&0x000000FF)) + +struct tasdevice { + struct tasdevice_fw *cali_data_fmw; + unsigned int dev_addr; + unsigned int err_code; + unsigned char cur_book; + short cur_prog; + short cur_conf; + bool is_loading; + bool is_loaderr; + bool is_calibrated_data_loaded; +}; + +/* + * This item is used to store the generic i2c address of + * all the tas2781 devices for I2C broadcast during the multi-device + * writes, useless in mono case. + */ +struct global_addr { + unsigned int dev_addr; + unsigned char cur_book; + int ref_cnt; +}; + +struct tasdevice_irqinfo { + int irq_gpio; + int irq; +}; + +struct tasdevice_priv { + struct device *dev; + struct regmap *regmap; + struct mutex codec_lock; + struct gpio_desc *reset; + struct tasdevice tasdevice[max_chn]; + struct tasdevice_fw *fmw; + struct tasdevice_rca rcabin; + struct tasdevice_irqinfo irq_info; + struct global_addr glb_addr; + unsigned int chip_id; + unsigned int magic_num; + unsigned int sysclk; + unsigned char ndev; + unsigned char dev_name[32]; + unsigned char rca_binaryname[64]; + unsigned char coef_binaryname[64]; + unsigned char cal_binaryname[max_chn][64]; + unsigned char crc8_lkp_tbl[CRC8_TABLE_SIZE]; + void *client; + void *codec; + bool is_glb_calibrated_data_loaded; + bool isacpi; + int cur_prog; + int cur_conf; + int fw_state; + void (*set_global_mode)(struct tasdevice_priv *tas_dev); + int (*fw_parse_variable_header)(struct tasdevice_priv *tas_dev, + const struct firmware *fmw, int offset); + int (*fw_parse_program_data)(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset); + int (*fw_parse_configuration_data)(struct tasdevice_priv *tas_dev, + struct tasdevice_fw *tas_fmw, + const struct firmware *fmw, int offset); + int (*tasdevice_load_block)(struct tasdevice_priv *tas_dev, + struct tasdev_blk *pBlock); +}; + +int tasdevice_dev_read(struct tasdevice_priv *tasdevice, + enum channel chn, unsigned int reg, unsigned int *value); +int tasdevice_process_block(void *context, + unsigned char *data, unsigned char dev_idx, int sublocksize); +int tasdevice_dev_write(struct tasdevice_priv *tasdevice, + enum channel chn, unsigned int reg, unsigned int value); + +int tasdevice_dev_bulk_write( + struct tasdevice_priv *tasdevice, enum channel chn, + unsigned int reg, unsigned char *p_data, unsigned int n_length); + +int tasdevice_dev_bulk_read(struct tasdevice_priv *tasdevice, + enum channel chn, unsigned int reg, unsigned char *p_data, + unsigned int n_length); + +int tasdevice_dev_update_bits( + struct tasdevice_priv *tasdevice, enum channel chn, + unsigned int reg, unsigned int mask, unsigned int value); + +#endif /*__TAS2781_H__ */

[v6] ASoC: tas2781: Add tas2781 driver

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