[09/11] mn88472: move to staging

Message ID	1415765477-23153-10-git-send-email-crope@iki.fi (mailing list archive)
State	New, archived
Headers	show Return-Path: <linux-media-owner@kernel.org> From: Antti Palosaari <crope@iki.fi> To: linux-media@vger.kernel.org Cc: Antti Palosaari <crope@iki.fi> Subject: [PATCH 09/11] mn88472: move to staging Date: Wed, 12 Nov 2014 06:11:15 +0200 Message-Id: <1415765477-23153-10-git-send-email-crope@iki.fi> In-Reply-To: <1415765477-23153-1-git-send-email-crope@iki.fi> References: <1415765477-23153-1-git-send-email-crope@iki.fi> Sender: linux-media-owner@vger.kernel.org Precedence: bulk

diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 207843e..6c75418 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -441,14 +441,6 @@ config DVB_CXD2820R help Say Y when you want to support this frontend. -config DVB_MN88472 - tristate "Panasonic MN88472" - depends on DVB_CORE && I2C - select REGMAP_I2C - default m if !MEDIA_SUBDRV_AUTOSELECT - help - Say Y when you want to support this frontend. - config DVB_RTL2830 tristate "Realtek RTL2830 DVB-T" depends on DVB_CORE && I2C diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index b82225f6..ba59df6 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -103,7 +103,6 @@ obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o obj-$(CONFIG_DVB_IX2505V) += ix2505v.o obj-$(CONFIG_DVB_STV0367) += stv0367.o obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o -obj-$(CONFIG_DVB_MN88472) += mn88472.o obj-$(CONFIG_DVB_DRXK) += drxk.o obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o obj-$(CONFIG_DVB_SI2165) += si2165.o diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c deleted file mode 100644 index 52de8f8..0000000 --- a/drivers/media/dvb-frontends/mn88472.c +++ /dev/null @@ -1,523 +0,0 @@ -/* - * Panasonic MN88472 DVB-T/T2/C demodulator driver - * - * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include "mn88472_priv.h" - -static int mn88472_get_tune_settings(struct dvb_frontend *fe, - struct dvb_frontend_tune_settings *s) -{ - s->min_delay_ms = 400; - return 0; -} - -static int mn88472_set_frontend(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88472_dev *dev = i2c_get_clientdata(client); - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret, i; - u32 if_frequency = 0; - u8 delivery_system_val, if_val[3], bw_val[7], bw_val2; - - dev_dbg(&client->dev, - "delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n", - c->delivery_system, c->modulation, - c->frequency, c->symbol_rate, c->inversion); - - if (!dev->warm) { - ret = -EAGAIN; - goto err; - } - - switch (c->delivery_system) { - case SYS_DVBT: - delivery_system_val = 0x02; - break; - case SYS_DVBT2: - delivery_system_val = 0x03; - break; - case SYS_DVBC_ANNEX_A: - delivery_system_val = 0x04; - break; - default: - ret = -EINVAL; - goto err; - } - - switch (c->delivery_system) { - case SYS_DVBT: - case SYS_DVBT2: - if (c->bandwidth_hz <= 6000000) { - /* IF 3570000 Hz, BW 6000000 Hz */ - memcpy(if_val, "\x2c\x94\xdb", 3); - memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7); - bw_val2 = 0x02; - } else if (c->bandwidth_hz <= 7000000) { - /* IF 4570000 Hz, BW 7000000 Hz */ - memcpy(if_val, "\x39\x11\xbc", 3); - memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7); - bw_val2 = 0x01; - } else if (c->bandwidth_hz <= 8000000) { - /* IF 4570000 Hz, BW 8000000 Hz */ - memcpy(if_val, "\x39\x11\xbc", 3); - memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7); - bw_val2 = 0x00; - } else { - ret = -EINVAL; - goto err; - } - break; - case SYS_DVBC_ANNEX_A: - /* IF 5070000 Hz, BW 8000000 Hz */ - memcpy(if_val, "\x3f\x50\x2c", 3); - memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7); - bw_val2 = 0x00; - break; - default: - ret = -EINVAL; - goto err; - } - - /* program tuner */ - if (fe->ops.tuner_ops.set_params) { - ret = fe->ops.tuner_ops.set_params(fe); - if (ret) - goto err; - } - - if (fe->ops.tuner_ops.get_if_frequency) { - ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); - if (ret) - goto err; - - dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency); - } - - switch (if_frequency) { - case 3570000: - case 4570000: - case 5070000: - break; - default: - dev_err(&client->dev, "IF frequency %d not supported\n", - if_frequency); - ret = -EINVAL; - goto err; - } - - ret = regmap_write(dev->regmap[2], 0xfb, 0x13); - ret = regmap_write(dev->regmap[2], 0xef, 0x13); - ret = regmap_write(dev->regmap[2], 0xf9, 0x13); - if (ret) - goto err; - - ret = regmap_write(dev->regmap[2], 0x00, 0x66); - if (ret) - goto err; - ret = regmap_write(dev->regmap[2], 0x01, 0x00); - if (ret) - goto err; - ret = regmap_write(dev->regmap[2], 0x02, 0x01); - if (ret) - goto err; - ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val); - if (ret) - goto err; - ret = regmap_write(dev->regmap[2], 0x04, bw_val2); - if (ret) - goto err; - - for (i = 0; i < sizeof(if_val); i++) { - ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]); - if (ret) - goto err; - } - - for (i = 0; i < sizeof(bw_val); i++) { - ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]); - if (ret) - goto err; - } - - switch (c->delivery_system) { - case SYS_DVBT: - ret = regmap_write(dev->regmap[0], 0x07, 0x26); - ret = regmap_write(dev->regmap[0], 0xb0, 0x0a); - ret = regmap_write(dev->regmap[0], 0xb4, 0x00); - ret = regmap_write(dev->regmap[0], 0xcd, 0x1f); - ret = regmap_write(dev->regmap[0], 0xd4, 0x0a); - ret = regmap_write(dev->regmap[0], 0xd6, 0x48); - ret = regmap_write(dev->regmap[0], 0x00, 0xba); - ret = regmap_write(dev->regmap[0], 0x01, 0x13); - if (ret) - goto err; - break; - case SYS_DVBT2: - ret = regmap_write(dev->regmap[2], 0x2b, 0x13); - ret = regmap_write(dev->regmap[2], 0x4f, 0x05); - ret = regmap_write(dev->regmap[1], 0xf6, 0x05); - ret = regmap_write(dev->regmap[0], 0xb0, 0x0a); - ret = regmap_write(dev->regmap[0], 0xb4, 0xf6); - ret = regmap_write(dev->regmap[0], 0xcd, 0x01); - ret = regmap_write(dev->regmap[0], 0xd4, 0x09); - ret = regmap_write(dev->regmap[0], 0xd6, 0x46); - ret = regmap_write(dev->regmap[2], 0x30, 0x80); - ret = regmap_write(dev->regmap[2], 0x32, 0x00); - if (ret) - goto err; - break; - case SYS_DVBC_ANNEX_A: - ret = regmap_write(dev->regmap[0], 0xb0, 0x0b); - ret = regmap_write(dev->regmap[0], 0xb4, 0x00); - ret = regmap_write(dev->regmap[0], 0xcd, 0x17); - ret = regmap_write(dev->regmap[0], 0xd4, 0x09); - ret = regmap_write(dev->regmap[0], 0xd6, 0x48); - ret = regmap_write(dev->regmap[1], 0x00, 0xb0); - if (ret) - goto err; - break; - default: - ret = -EINVAL; - goto err; - } - - ret = regmap_write(dev->regmap[0], 0x46, 0x00); - ret = regmap_write(dev->regmap[0], 0xae, 0x00); - ret = regmap_write(dev->regmap[2], 0x08, 0x1d); - ret = regmap_write(dev->regmap[0], 0xd9, 0xe3); - ret = regmap_write(dev->regmap[2], 0xf8, 0x9f); - if (ret) - goto err; - - dev->delivery_system = c->delivery_system; - - return 0; -err: - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88472_dev *dev = i2c_get_clientdata(client); - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret; - unsigned int utmp; - - *status = 0; - - if (!dev->warm) { - ret = -EAGAIN; - goto err; - } - - switch (c->delivery_system) { - case SYS_DVBT: - case SYS_DVBT2: - /* FIXME: implement me */ - utmp = 0x08; /* DVB-C lock value */ - break; - case SYS_DVBC_ANNEX_A: - ret = regmap_read(dev->regmap[1], 0x84, &utmp); - if (ret) - goto err; - break; - default: - ret = -EINVAL; - goto err; - } - - if (utmp == 0x08) - *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | - FE_HAS_SYNC | FE_HAS_LOCK; - - return 0; -err: - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static int mn88472_init(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88472_dev *dev = i2c_get_clientdata(client); - int ret, len, remaining; - const struct firmware *fw = NULL; - u8 *fw_file = MN88472_FIRMWARE; - - dev_dbg(&client->dev, "\n"); - - /* set cold state by default */ - dev->warm = false; - - /* power on */ - ret = regmap_write(dev->regmap[2], 0x05, 0x00); - if (ret) - goto err; - - ret = regmap_bulk_write(dev->regmap[2], 0x0b, "\x00\x00", 2); - if (ret) - goto err; - - /* request the firmware, this will block and timeout */ - ret = request_firmware(&fw, fw_file, &client->dev); - if (ret) { - dev_err(&client->dev, "firmare file '%s' not found\n", - fw_file); - goto err; - } - - dev_info(&client->dev, "downloading firmware from file '%s'\n", - fw_file); - - ret = regmap_write(dev->regmap[0], 0xf5, 0x03); - if (ret) - goto err; - - for (remaining = fw->size; remaining > 0; - remaining -= (dev->i2c_wr_max - 1)) { - len = remaining; - if (len > (dev->i2c_wr_max - 1)) - len = (dev->i2c_wr_max - 1); - - ret = regmap_bulk_write(dev->regmap[0], 0xf6, - &fw->data[fw->size - remaining], len); - if (ret) { - dev_err(&client->dev, - "firmware download failed=%d\n", ret); - goto err; - } - } - - ret = regmap_write(dev->regmap[0], 0xf5, 0x00); - if (ret) - goto err; - - release_firmware(fw); - fw = NULL; - - /* warm state */ - dev->warm = true; - - return 0; -err: - if (fw) - release_firmware(fw); - - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static int mn88472_sleep(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88472_dev *dev = i2c_get_clientdata(client); - int ret; - - dev_dbg(&client->dev, "\n"); - - /* power off */ - ret = regmap_write(dev->regmap[2], 0x0b, 0x30); - - if (ret) - goto err; - - ret = regmap_write(dev->regmap[2], 0x05, 0x3e); - if (ret) - goto err; - - dev->delivery_system = SYS_UNDEFINED; - - return 0; -err: - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static struct dvb_frontend_ops mn88472_ops = { - .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A}, - .info = { - .name = "Panasonic MN88472", - .caps = FE_CAN_FEC_1_2 | - FE_CAN_FEC_2_3 | - FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | - FE_CAN_FEC_7_8 | - FE_CAN_FEC_AUTO | - FE_CAN_QPSK | - FE_CAN_QAM_16 | - FE_CAN_QAM_32 | - FE_CAN_QAM_64 | - FE_CAN_QAM_128 | - FE_CAN_QAM_256 | - FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | - FE_CAN_GUARD_INTERVAL_AUTO | - FE_CAN_HIERARCHY_AUTO | - FE_CAN_MUTE_TS | - FE_CAN_2G_MODULATION | - FE_CAN_MULTISTREAM - }, - - .get_tune_settings = mn88472_get_tune_settings, - - .init = mn88472_init, - .sleep = mn88472_sleep, - - .set_frontend = mn88472_set_frontend, - - .read_status = mn88472_read_status, -}; - -static int mn88472_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct mn88472_config *config = client->dev.platform_data; - struct mn88472_dev *dev; - int ret; - unsigned int utmp; - static const struct regmap_config regmap_config = { - .reg_bits = 8, - .val_bits = 8, - }; - - dev_dbg(&client->dev, "\n"); - - /* Caller really need to provide pointer for frontend we create. */ - if (config->fe == NULL) { - dev_err(&client->dev, "frontend pointer not defined\n"); - ret = -EINVAL; - goto err; - } - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (dev == NULL) { - ret = -ENOMEM; - goto err; - } - - dev->i2c_wr_max = config->i2c_wr_max; - dev->client[0] = client; - dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config); - if (IS_ERR(dev->regmap[0])) { - ret = PTR_ERR(dev->regmap[0]); - goto err_kfree; - } - - /* check demod answers to I2C */ - ret = regmap_read(dev->regmap[0], 0x00, &utmp); - if (ret) - goto err_regmap_0_regmap_exit; - - /* - * Chip has three I2C addresses for different register pages. Used - * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients, - * 0x1a and 0x1c, in order to get own I2C client for each register page. - */ - dev->client[1] = i2c_new_dummy(client->adapter, 0x1a); - if (dev->client[1] == NULL) { - ret = -ENODEV; - dev_err(&client->dev, "I2C registration failed\n"); - if (ret) - goto err_regmap_0_regmap_exit; - } - dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config); - if (IS_ERR(dev->regmap[1])) { - ret = PTR_ERR(dev->regmap[1]); - goto err_client_1_i2c_unregister_device; - } - i2c_set_clientdata(dev->client[1], dev); - - dev->client[2] = i2c_new_dummy(client->adapter, 0x1c); - if (dev->client[2] == NULL) { - ret = -ENODEV; - dev_err(&client->dev, "2nd I2C registration failed\n"); - if (ret) - goto err_regmap_1_regmap_exit; - } - dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config); - if (IS_ERR(dev->regmap[2])) { - ret = PTR_ERR(dev->regmap[2]); - goto err_client_2_i2c_unregister_device; - } - i2c_set_clientdata(dev->client[2], dev); - - /* create dvb_frontend */ - memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops)); - dev->fe.demodulator_priv = client; - *config->fe = &dev->fe; - i2c_set_clientdata(client, dev); - - dev_info(&client->dev, "Panasonic MN88472 successfully attached\n"); - return 0; - -err_client_2_i2c_unregister_device: - i2c_unregister_device(dev->client[2]); -err_regmap_1_regmap_exit: - regmap_exit(dev->regmap[1]); -err_client_1_i2c_unregister_device: - i2c_unregister_device(dev->client[1]); -err_regmap_0_regmap_exit: - regmap_exit(dev->regmap[0]); -err_kfree: - kfree(dev); -err: - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static int mn88472_remove(struct i2c_client *client) -{ - struct mn88472_dev *dev = i2c_get_clientdata(client); - - dev_dbg(&client->dev, "\n"); - - regmap_exit(dev->regmap[2]); - i2c_unregister_device(dev->client[2]); - - regmap_exit(dev->regmap[1]); - i2c_unregister_device(dev->client[1]); - - regmap_exit(dev->regmap[0]); - - kfree(dev); - - return 0; -} - -static const struct i2c_device_id mn88472_id_table[] = { - {"mn88472", 0}, - {} -}; -MODULE_DEVICE_TABLE(i2c, mn88472_id_table); - -static struct i2c_driver mn88472_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "mn88472", - }, - .probe = mn88472_probe, - .remove = mn88472_remove, - .id_table = mn88472_id_table, -}; - -module_i2c_driver(mn88472_driver); - -MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); -MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver"); -MODULE_LICENSE("GPL"); -MODULE_FIRMWARE(MN88472_FIRMWARE); diff --git a/drivers/media/dvb-frontends/mn88472_priv.h b/drivers/media/dvb-frontends/mn88472_priv.h deleted file mode 100644 index 1095949..0000000 --- a/drivers/media/dvb-frontends/mn88472_priv.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Panasonic MN88472 DVB-T/T2/C demodulator driver - * - * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#ifndef MN88472_PRIV_H -#define MN88472_PRIV_H - -#include "dvb_frontend.h" -#include "mn88472.h" -#include <linux/firmware.h> -#include <linux/regmap.h> - -#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw" - -struct mn88472_dev { - struct i2c_client *client[3]; - struct regmap *regmap[3]; - struct dvb_frontend fe; - u16 i2c_wr_max; - fe_delivery_system_t delivery_system; - bool warm; /* FW running */ -}; - -#endif diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index 655cf50..c2e675a 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -27,6 +27,8 @@ source "drivers/staging/media/davinci_vpfe/Kconfig" source "drivers/staging/media/dt3155v4l/Kconfig" +source "drivers/staging/media/mn88472/Kconfig" + source "drivers/staging/media/omap24xx/Kconfig" source "drivers/staging/media/omap4iss/Kconfig" diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile index 6dbe578..e174c57 100644 --- a/drivers/staging/media/Makefile +++ b/drivers/staging/media/Makefile @@ -6,4 +6,5 @@ obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci_vpfe/ obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/ obj-$(CONFIG_VIDEO_OMAP2) += omap24xx/ obj-$(CONFIG_VIDEO_TCM825X) += omap24xx/ +obj-$(CONFIG_DVB_MN88472) += mn88472/ diff --git a/drivers/staging/media/mn88472/Kconfig b/drivers/staging/media/mn88472/Kconfig new file mode 100644 index 0000000..a85c90a --- /dev/null +++ b/drivers/staging/media/mn88472/Kconfig @@ -0,0 +1,7 @@ +config DVB_MN88472 + tristate "Panasonic MN88472" + depends on DVB_CORE && I2C + select REGMAP_I2C + default m if !MEDIA_SUBDRV_AUTOSELECT + help + Say Y when you want to support this frontend. diff --git a/drivers/staging/media/mn88472/Makefile b/drivers/staging/media/mn88472/Makefile new file mode 100644 index 0000000..5987b7e --- /dev/null +++ b/drivers/staging/media/mn88472/Makefile @@ -0,0 +1,5 @@ +obj-$(CONFIG_DVB_MN88472) += mn88472.o + +ccflags-y += -Idrivers/media/dvb-core/ +ccflags-y += -Idrivers/media/dvb-frontends/ +ccflags-y += -Idrivers/media/tuners/ diff --git a/drivers/staging/media/mn88472/mn88472.c b/drivers/staging/media/mn88472/mn88472.c new file mode 100644 index 0000000..52de8f8 --- /dev/null +++ b/drivers/staging/media/mn88472/mn88472.c @@ -0,0 +1,523 @@ +/* + * Panasonic MN88472 DVB-T/T2/C demodulator driver + * + * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mn88472_priv.h" + +static int mn88472_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *s) +{ + s->min_delay_ms = 400; + return 0; +} + +static int mn88472_set_frontend(struct dvb_frontend *fe) +{ + struct i2c_client *client = fe->demodulator_priv; + struct mn88472_dev *dev = i2c_get_clientdata(client); + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret, i; + u32 if_frequency = 0; + u8 delivery_system_val, if_val[3], bw_val[7], bw_val2; + + dev_dbg(&client->dev, + "delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n", + c->delivery_system, c->modulation, + c->frequency, c->symbol_rate, c->inversion); + + if (!dev->warm) { + ret = -EAGAIN; + goto err; + } + + switch (c->delivery_system) { + case SYS_DVBT: + delivery_system_val = 0x02; + break; + case SYS_DVBT2: + delivery_system_val = 0x03; + break; + case SYS_DVBC_ANNEX_A: + delivery_system_val = 0x04; + break; + default: + ret = -EINVAL; + goto err; + } + + switch (c->delivery_system) { + case SYS_DVBT: + case SYS_DVBT2: + if (c->bandwidth_hz <= 6000000) { + /* IF 3570000 Hz, BW 6000000 Hz */ + memcpy(if_val, "\x2c\x94\xdb", 3); + memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7); + bw_val2 = 0x02; + } else if (c->bandwidth_hz <= 7000000) { + /* IF 4570000 Hz, BW 7000000 Hz */ + memcpy(if_val, "\x39\x11\xbc", 3); + memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7); + bw_val2 = 0x01; + } else if (c->bandwidth_hz <= 8000000) { + /* IF 4570000 Hz, BW 8000000 Hz */ + memcpy(if_val, "\x39\x11\xbc", 3); + memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7); + bw_val2 = 0x00; + } else { + ret = -EINVAL; + goto err; + } + break; + case SYS_DVBC_ANNEX_A: + /* IF 5070000 Hz, BW 8000000 Hz */ + memcpy(if_val, "\x3f\x50\x2c", 3); + memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7); + bw_val2 = 0x00; + break; + default: + ret = -EINVAL; + goto err; + } + + /* program tuner */ + if (fe->ops.tuner_ops.set_params) { + ret = fe->ops.tuner_ops.set_params(fe); + if (ret) + goto err; + } + + if (fe->ops.tuner_ops.get_if_frequency) { + ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); + if (ret) + goto err; + + dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency); + } + + switch (if_frequency) { + case 3570000: + case 4570000: + case 5070000: + break; + default: + dev_err(&client->dev, "IF frequency %d not supported\n", + if_frequency); + ret = -EINVAL; + goto err; + } + + ret = regmap_write(dev->regmap[2], 0xfb, 0x13); + ret = regmap_write(dev->regmap[2], 0xef, 0x13); + ret = regmap_write(dev->regmap[2], 0xf9, 0x13); + if (ret) + goto err; + + ret = regmap_write(dev->regmap[2], 0x00, 0x66); + if (ret) + goto err; + ret = regmap_write(dev->regmap[2], 0x01, 0x00); + if (ret) + goto err; + ret = regmap_write(dev->regmap[2], 0x02, 0x01); + if (ret) + goto err; + ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val); + if (ret) + goto err; + ret = regmap_write(dev->regmap[2], 0x04, bw_val2); + if (ret) + goto err; + + for (i = 0; i < sizeof(if_val); i++) { + ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]); + if (ret) + goto err; + } + + for (i = 0; i < sizeof(bw_val); i++) { + ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]); + if (ret) + goto err; + } + + switch (c->delivery_system) { + case SYS_DVBT: + ret = regmap_write(dev->regmap[0], 0x07, 0x26); + ret = regmap_write(dev->regmap[0], 0xb0, 0x0a); + ret = regmap_write(dev->regmap[0], 0xb4, 0x00); + ret = regmap_write(dev->regmap[0], 0xcd, 0x1f); + ret = regmap_write(dev->regmap[0], 0xd4, 0x0a); + ret = regmap_write(dev->regmap[0], 0xd6, 0x48); + ret = regmap_write(dev->regmap[0], 0x00, 0xba); + ret = regmap_write(dev->regmap[0], 0x01, 0x13); + if (ret) + goto err; + break; + case SYS_DVBT2: + ret = regmap_write(dev->regmap[2], 0x2b, 0x13); + ret = regmap_write(dev->regmap[2], 0x4f, 0x05); + ret = regmap_write(dev->regmap[1], 0xf6, 0x05); + ret = regmap_write(dev->regmap[0], 0xb0, 0x0a); + ret = regmap_write(dev->regmap[0], 0xb4, 0xf6); + ret = regmap_write(dev->regmap[0], 0xcd, 0x01); + ret = regmap_write(dev->regmap[0], 0xd4, 0x09); + ret = regmap_write(dev->regmap[0], 0xd6, 0x46); + ret = regmap_write(dev->regmap[2], 0x30, 0x80); + ret = regmap_write(dev->regmap[2], 0x32, 0x00); + if (ret) + goto err; + break; + case SYS_DVBC_ANNEX_A: + ret = regmap_write(dev->regmap[0], 0xb0, 0x0b); + ret = regmap_write(dev->regmap[0], 0xb4, 0x00); + ret = regmap_write(dev->regmap[0], 0xcd, 0x17); + ret = regmap_write(dev->regmap[0], 0xd4, 0x09); + ret = regmap_write(dev->regmap[0], 0xd6, 0x48); + ret = regmap_write(dev->regmap[1], 0x00, 0xb0); + if (ret) + goto err; + break; + default: + ret = -EINVAL; + goto err; + } + + ret = regmap_write(dev->regmap[0], 0x46, 0x00); + ret = regmap_write(dev->regmap[0], 0xae, 0x00); + ret = regmap_write(dev->regmap[2], 0x08, 0x1d); + ret = regmap_write(dev->regmap[0], 0xd9, 0xe3); + ret = regmap_write(dev->regmap[2], 0xf8, 0x9f); + if (ret) + goto err; + + dev->delivery_system = c->delivery_system; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct i2c_client *client = fe->demodulator_priv; + struct mn88472_dev *dev = i2c_get_clientdata(client); + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret; + unsigned int utmp; + + *status = 0; + + if (!dev->warm) { + ret = -EAGAIN; + goto err; + } + + switch (c->delivery_system) { + case SYS_DVBT: + case SYS_DVBT2: + /* FIXME: implement me */ + utmp = 0x08; /* DVB-C lock value */ + break; + case SYS_DVBC_ANNEX_A: + ret = regmap_read(dev->regmap[1], 0x84, &utmp); + if (ret) + goto err; + break; + default: + ret = -EINVAL; + goto err; + } + + if (utmp == 0x08) + *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | + FE_HAS_SYNC | FE_HAS_LOCK; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int mn88472_init(struct dvb_frontend *fe) +{ + struct i2c_client *client = fe->demodulator_priv; + struct mn88472_dev *dev = i2c_get_clientdata(client); + int ret, len, remaining; + const struct firmware *fw = NULL; + u8 *fw_file = MN88472_FIRMWARE; + + dev_dbg(&client->dev, "\n"); + + /* set cold state by default */ + dev->warm = false; + + /* power on */ + ret = regmap_write(dev->regmap[2], 0x05, 0x00); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap[2], 0x0b, "\x00\x00", 2); + if (ret) + goto err; + + /* request the firmware, this will block and timeout */ + ret = request_firmware(&fw, fw_file, &client->dev); + if (ret) { + dev_err(&client->dev, "firmare file '%s' not found\n", + fw_file); + goto err; + } + + dev_info(&client->dev, "downloading firmware from file '%s'\n", + fw_file); + + ret = regmap_write(dev->regmap[0], 0xf5, 0x03); + if (ret) + goto err; + + for (remaining = fw->size; remaining > 0; + remaining -= (dev->i2c_wr_max - 1)) { + len = remaining; + if (len > (dev->i2c_wr_max - 1)) + len = (dev->i2c_wr_max - 1); + + ret = regmap_bulk_write(dev->regmap[0], 0xf6, + &fw->data[fw->size - remaining], len); + if (ret) { + dev_err(&client->dev, + "firmware download failed=%d\n", ret); + goto err; + } + } + + ret = regmap_write(dev->regmap[0], 0xf5, 0x00); + if (ret) + goto err; + + release_firmware(fw); + fw = NULL; + + /* warm state */ + dev->warm = true; + + return 0; +err: + if (fw) + release_firmware(fw); + + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int mn88472_sleep(struct dvb_frontend *fe) +{ + struct i2c_client *client = fe->demodulator_priv; + struct mn88472_dev *dev = i2c_get_clientdata(client); + int ret; + + dev_dbg(&client->dev, "\n"); + + /* power off */ + ret = regmap_write(dev->regmap[2], 0x0b, 0x30); + + if (ret) + goto err; + + ret = regmap_write(dev->regmap[2], 0x05, 0x3e); + if (ret) + goto err; + + dev->delivery_system = SYS_UNDEFINED; + + return 0; +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static struct dvb_frontend_ops mn88472_ops = { + .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A}, + .info = { + .name = "Panasonic MN88472", + .caps = FE_CAN_FEC_1_2 | + FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | + FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QPSK | + FE_CAN_QAM_16 | + FE_CAN_QAM_32 | + FE_CAN_QAM_64 | + FE_CAN_QAM_128 | + FE_CAN_QAM_256 | + FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | + FE_CAN_MUTE_TS | + FE_CAN_2G_MODULATION | + FE_CAN_MULTISTREAM + }, + + .get_tune_settings = mn88472_get_tune_settings, + + .init = mn88472_init, + .sleep = mn88472_sleep, + + .set_frontend = mn88472_set_frontend, + + .read_status = mn88472_read_status, +}; + +static int mn88472_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct mn88472_config *config = client->dev.platform_data; + struct mn88472_dev *dev; + int ret; + unsigned int utmp; + static const struct regmap_config regmap_config = { + .reg_bits = 8, + .val_bits = 8, + }; + + dev_dbg(&client->dev, "\n"); + + /* Caller really need to provide pointer for frontend we create. */ + if (config->fe == NULL) { + dev_err(&client->dev, "frontend pointer not defined\n"); + ret = -EINVAL; + goto err; + } + + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (dev == NULL) { + ret = -ENOMEM; + goto err; + } + + dev->i2c_wr_max = config->i2c_wr_max; + dev->client[0] = client; + dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config); + if (IS_ERR(dev->regmap[0])) { + ret = PTR_ERR(dev->regmap[0]); + goto err_kfree; + } + + /* check demod answers to I2C */ + ret = regmap_read(dev->regmap[0], 0x00, &utmp); + if (ret) + goto err_regmap_0_regmap_exit; + + /* + * Chip has three I2C addresses for different register pages. Used + * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients, + * 0x1a and 0x1c, in order to get own I2C client for each register page. + */ + dev->client[1] = i2c_new_dummy(client->adapter, 0x1a); + if (dev->client[1] == NULL) { + ret = -ENODEV; + dev_err(&client->dev, "I2C registration failed\n"); + if (ret) + goto err_regmap_0_regmap_exit; + } + dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config); + if (IS_ERR(dev->regmap[1])) { + ret = PTR_ERR(dev->regmap[1]); + goto err_client_1_i2c_unregister_device; + } + i2c_set_clientdata(dev->client[1], dev); + + dev->client[2] = i2c_new_dummy(client->adapter, 0x1c); + if (dev->client[2] == NULL) { + ret = -ENODEV; + dev_err(&client->dev, "2nd I2C registration failed\n"); + if (ret) + goto err_regmap_1_regmap_exit; + } + dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config); + if (IS_ERR(dev->regmap[2])) { + ret = PTR_ERR(dev->regmap[2]); + goto err_client_2_i2c_unregister_device; + } + i2c_set_clientdata(dev->client[2], dev); + + /* create dvb_frontend */ + memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops)); + dev->fe.demodulator_priv = client; + *config->fe = &dev->fe; + i2c_set_clientdata(client, dev); + + dev_info(&client->dev, "Panasonic MN88472 successfully attached\n"); + return 0; + +err_client_2_i2c_unregister_device: + i2c_unregister_device(dev->client[2]); +err_regmap_1_regmap_exit: + regmap_exit(dev->regmap[1]); +err_client_1_i2c_unregister_device: + i2c_unregister_device(dev->client[1]); +err_regmap_0_regmap_exit: + regmap_exit(dev->regmap[0]); +err_kfree: + kfree(dev); +err: + dev_dbg(&client->dev, "failed=%d\n", ret); + return ret; +} + +static int mn88472_remove(struct i2c_client *client) +{ + struct mn88472_dev *dev = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + regmap_exit(dev->regmap[2]); + i2c_unregister_device(dev->client[2]); + + regmap_exit(dev->regmap[1]); + i2c_unregister_device(dev->client[1]); + + regmap_exit(dev->regmap[0]); + + kfree(dev); + + return 0; +} + +static const struct i2c_device_id mn88472_id_table[] = { + {"mn88472", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, mn88472_id_table); + +static struct i2c_driver mn88472_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "mn88472", + }, + .probe = mn88472_probe, + .remove = mn88472_remove, + .id_table = mn88472_id_table, +}; + +module_i2c_driver(mn88472_driver); + +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver"); +MODULE_LICENSE("GPL"); +MODULE_FIRMWARE(MN88472_FIRMWARE); diff --git a/drivers/staging/media/mn88472/mn88472_priv.h b/drivers/staging/media/mn88472/mn88472_priv.h new file mode 100644 index 0000000..1095949 --- /dev/null +++ b/drivers/staging/media/mn88472/mn88472_priv.h @@ -0,0 +1,36 @@ +/* + * Panasonic MN88472 DVB-T/T2/C demodulator driver + * + * Copyright (C) 2013 Antti Palosaari <crope@iki.fi> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef MN88472_PRIV_H +#define MN88472_PRIV_H + +#include "dvb_frontend.h" +#include "mn88472.h" +#include <linux/firmware.h> +#include <linux/regmap.h> + +#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw" + +struct mn88472_dev { + struct i2c_client *client[3]; + struct regmap *regmap[3]; + struct dvb_frontend fe; + u16 i2c_wr_max; + fe_delivery_system_t delivery_system; + bool warm; /* FW running */ +}; + +#endif

[09/11] mn88472: move to staging

Commit Message

Patch