| Message ID | 1374095551-3145-2-git-send-email-ljalvs@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 07/18/2013 12:12 AM, Luis Alves wrote: > v3: > Fixed issues reported by checkpatch script (thanks Antti). > Changed/fixed some stuff as sugested by Mauro Chehab. > Splited cx23885 changes to a separated patch. > > Signed-off-by: Luis Alves <ljalvs@gmail.com> Maybbe that one is enough good too. There was still few < 20ms msleeps which should trigger checkpatch complains. Those could be rounded up to 20ms. regards Antti > --- > drivers/media/dvb-frontends/Kconfig | 7 + > drivers/media/dvb-frontends/Makefile | 1 + > drivers/media/dvb-frontends/cx24117.c | 1621 +++++++++++++++++++++++++++++++++ > drivers/media/dvb-frontends/cx24117.h | 47 + > 4 files changed, 1676 insertions(+) > create mode 100644 drivers/media/dvb-frontends/cx24117.c > create mode 100644 drivers/media/dvb-frontends/cx24117.h > > diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig > index 0e2ec6f..bddbab4 100644 > --- a/drivers/media/dvb-frontends/Kconfig > +++ b/drivers/media/dvb-frontends/Kconfig > @@ -200,6 +200,13 @@ config DVB_CX24116 > help > A DVB-S/S2 tuner module. Say Y when you want to support this frontend. > > +config DVB_CX24117 > + tristate "Conexant CX24117 based" > + depends on DVB_CORE && I2C > + default m if !MEDIA_SUBDRV_AUTOSELECT > + help > + A Dual DVB-S/S2 tuner module. Say Y when you want to support this frontend. > + > config DVB_SI21XX > tristate "Silicon Labs SI21XX based" > depends on DVB_CORE && I2C > diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile > index cebc0fa..f9cb43d 100644 > --- a/drivers/media/dvb-frontends/Makefile > +++ b/drivers/media/dvb-frontends/Makefile > @@ -76,6 +76,7 @@ obj-$(CONFIG_DVB_ATBM8830) += atbm8830.o > obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o > obj-$(CONFIG_DVB_AF9013) += af9013.o > obj-$(CONFIG_DVB_CX24116) += cx24116.o > +obj-$(CONFIG_DVB_CX24117) += cx24117.o > obj-$(CONFIG_DVB_SI21XX) += si21xx.o > obj-$(CONFIG_DVB_STV0288) += stv0288.o > obj-$(CONFIG_DVB_STB6000) += stb6000.o > diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c > new file mode 100644 > index 0000000..19ea43e > --- /dev/null > +++ b/drivers/media/dvb-frontends/cx24117.c > @@ -0,0 +1,1621 @@ > +/* > + Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver > + > + Copyright (C) 2013 Luis Alves <ljalvs@gmail.com> > + July, 6th 2013 > + First release based on cx24116 driver by: > + Steven Toth and Georg Acher, Darron Broad, Igor Liplianin > + Cards currently supported: > + TBS6980 - Dual DVBS/S2 PCIe card > + TBS6981 - Dual DVBS/S2 PCIe card > + > + 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. > + > + You should have received a copy of the GNU General Public License > + along with this program; if not, write to the Free Software > + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > +*/ > + > +#include <linux/slab.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/moduleparam.h> > +#include <linux/init.h> > +#include <linux/firmware.h> > + > +#include "dvb_frontend.h" > +#include "cx24117.h" > + > + > +#define CX24117_DEFAULT_FIRMWARE "dvb-fe-cx24117.fw" > +#define CX24117_SEARCH_RANGE_KHZ 5000 > + > +/* known registers */ > +#define CX24117_REG_COMMAND (0x00) /* command buffer */ > +#define CX24117_REG_EXECUTE (0x1f) /* execute command */ > + > +#define CX24117_REG_FREQ3_0 (0x34) /* frequency */ > +#define CX24117_REG_FREQ2_0 (0x35) > +#define CX24117_REG_FREQ1_0 (0x36) > +#define CX24117_REG_STATE0 (0x39) > +#define CX24117_REG_SSTATUS0 (0x3a) /* demod0 signal high / status */ > +#define CX24117_REG_SIGNAL0 (0x3b) > +#define CX24117_REG_FREQ5_0 (0x3c) /* +-freq */ > +#define CX24117_REG_FREQ6_0 (0x3d) > +#define CX24117_REG_SRATE2_0 (0x3e) /* +- 1000 * srate */ > +#define CX24117_REG_SRATE1_0 (0x3f) > +#define CX24117_REG_QUALITY2_0 (0x40) > +#define CX24117_REG_QUALITY1_0 (0x41) > + > +#define CX24117_REG_BER4_0 (0x47) > +#define CX24117_REG_BER3_0 (0x48) > +#define CX24117_REG_BER2_0 (0x49) > +#define CX24117_REG_BER1_0 (0x4a) > +#define CX24117_REG_DVBS_UCB2_0 (0x4b) > +#define CX24117_REG_DVBS_UCB1_0 (0x4c) > +#define CX24117_REG_DVBS2_UCB2_0 (0x50) > +#define CX24117_REG_DVBS2_UCB1_0 (0x51) > +#define CX24117_REG_QSTATUS0 (0x93) > +#define CX24117_REG_CLKDIV0 (0xe6) > +#define CX24117_REG_RATEDIV0 (0xf0) > + > + > +#define CX24117_REG_FREQ3_1 (0x55) /* frequency */ > +#define CX24117_REG_FREQ2_1 (0x56) > +#define CX24117_REG_FREQ1_1 (0x57) > +#define CX24117_REG_STATE1 (0x5a) > +#define CX24117_REG_SSTATUS1 (0x5b) /* demod1 signal high / status */ > +#define CX24117_REG_SIGNAL1 (0x5c) > +#define CX24117_REG_FREQ5_1 (0x5d) /* +- freq */ > +#define CX24117_REG_FREQ4_1 (0x5e) > +#define CX24117_REG_SRATE2_1 (0x5f) > +#define CX24117_REG_SRATE1_1 (0x60) > +#define CX24117_REG_QUALITY2_1 (0x61) > +#define CX24117_REG_QUALITY1_1 (0x62) > +#define CX24117_REG_BER4_1 (0x68) > +#define CX24117_REG_BER3_1 (0x69) > +#define CX24117_REG_BER2_1 (0x6a) > +#define CX24117_REG_BER1_1 (0x6b) > +#define CX24117_REG_DVBS_UCB2_1 (0x6c) > +#define CX24117_REG_DVBS_UCB1_1 (0x6d) > +#define CX24117_REG_DVBS2_UCB2_1 (0x71) > +#define CX24117_REG_DVBS2_UCB1_1 (0x72) > +#define CX24117_REG_QSTATUS1 (0x9f) > +#define CX24117_REG_CLKDIV1 (0xe7) > +#define CX24117_REG_RATEDIV1 (0xf1) > + > + > +/* arg buffer size */ > +#define CX24117_ARGLEN (0x1e) > + > +/* rolloff */ > +#define CX24117_ROLLOFF_020 (0x00) > +#define CX24117_ROLLOFF_025 (0x01) > +#define CX24117_ROLLOFF_035 (0x02) > + > +/* pilot bit */ > +#define CX24117_PILOT_OFF (0x00) > +#define CX24117_PILOT_ON (0x40) > +#define CX24117_PILOT_AUTO (0x80) > + > +/* signal status */ > +#define CX24117_HAS_SIGNAL (0x01) > +#define CX24117_HAS_CARRIER (0x02) > +#define CX24117_HAS_VITERBI (0x04) > +#define CX24117_HAS_SYNCLOCK (0x08) > +#define CX24117_STATUS_MASK (0x0f) > +#define CX24117_SIGNAL_MASK (0xc0) > + > + > +/* arg offset for DiSEqC */ > +#define CX24117_DISEQC_DEMOD (1) > +#define CX24117_DISEQC_BURST (2) > +#define CX24117_DISEQC_ARG3_2 (3) /* unknown value=2 */ > +#define CX24117_DISEQC_ARG4_0 (4) /* unknown value=0 */ > +#define CX24117_DISEQC_ARG5_0 (5) /* unknown value=0 */ > +#define CX24117_DISEQC_MSGLEN (6) > +#define CX24117_DISEQC_MSGOFS (7) > + > +/* DiSEqC burst */ > +#define CX24117_DISEQC_MINI_A (0) > +#define CX24117_DISEQC_MINI_B (1) > + > + > +#define CX24117_PNE (0) /* 0 disabled / 2 enabled */ > +#define CX24117_OCC (1) /* 0 disabled / 1 enabled */ > + > + > +enum cmds { > + CMD_SET_VCO = 0x10, > + CMD_TUNEREQUEST = 0x11, > + CMD_MPEGCONFIG = 0x13, > + CMD_TUNERINIT = 0x14, > + CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ > + CMD_LNBDCLEVEL = 0x22, > + CMD_SET_TONE = 0x23, > + CMD_UPDFWVERS = 0x35, > + CMD_TUNERSLEEP = 0x36, > +}; > + > +/* The Demod/Tuner can't easily provide these, we cache them */ > +struct cx24117_tuning { > + u32 frequency; > + u32 symbol_rate; > + fe_spectral_inversion_t inversion; > + fe_code_rate_t fec; > + > + fe_delivery_system_t delsys; > + fe_modulation_t modulation; > + fe_pilot_t pilot; > + fe_rolloff_t rolloff; > + > + /* Demod values */ > + u8 fec_val; > + u8 fec_mask; > + u8 inversion_val; > + u8 pilot_val; > + u8 rolloff_val; > +}; > + > +/* Basic commands that are sent to the firmware */ > +struct cx24117_cmd { > + u8 len; > + u8 args[CX24117_ARGLEN]; > +}; > + > +/* common to both fe's */ > +struct cx24117_priv { > + u8 demod_address; > + struct i2c_adapter *i2c; > + u8 skip_fw_load; > + > + struct mutex fe_lock; > + atomic_t fe_nr; > +}; > + > +/* one per each fe */ > +struct cx24117_state { > + struct cx24117_priv *priv; > + struct dvb_frontend frontend; > + > + struct cx24117_tuning dcur; > + struct cx24117_tuning dnxt; > + struct cx24117_cmd dsec_cmd; > + > + int demod; > +}; > + > +/* modfec (modulation and FEC) lookup table */ > +/* Check cx24116.c for a detailed description of each field */ > +static struct cx24117_modfec { > + fe_delivery_system_t delivery_system; > + fe_modulation_t modulation; > + fe_code_rate_t fec; > + u8 mask; /* In DVBS mode this is used to autodetect */ > + u8 val; /* Passed to the firmware to indicate mode selection */ > +} cx24117_modfec_modes[] = { > + /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ > + > + /*mod fec mask val */ > + { SYS_DVBS, QPSK, FEC_NONE, 0xfe, 0x30 }, > + { SYS_DVBS, QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ > + { SYS_DVBS, QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ > + { SYS_DVBS, QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ > + { SYS_DVBS, QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ > + { SYS_DVBS, QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ > + { SYS_DVBS, QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ > + { SYS_DVBS, QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ > + { SYS_DVBS, QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ > + { SYS_DVBS, QPSK, FEC_AUTO, 0xfe, 0x30 }, > + /* NBC-QPSK */ > + { SYS_DVBS2, QPSK, FEC_NONE, 0x00, 0x00 }, > + { SYS_DVBS2, QPSK, FEC_1_2, 0x00, 0x04 }, > + { SYS_DVBS2, QPSK, FEC_3_5, 0x00, 0x05 }, > + { SYS_DVBS2, QPSK, FEC_2_3, 0x00, 0x06 }, > + { SYS_DVBS2, QPSK, FEC_3_4, 0x00, 0x07 }, > + { SYS_DVBS2, QPSK, FEC_4_5, 0x00, 0x08 }, > + { SYS_DVBS2, QPSK, FEC_5_6, 0x00, 0x09 }, > + { SYS_DVBS2, QPSK, FEC_8_9, 0x00, 0x0a }, > + { SYS_DVBS2, QPSK, FEC_9_10, 0x00, 0x0b }, > + { SYS_DVBS2, QPSK, FEC_AUTO, 0x00, 0x00 }, > + /* 8PSK */ > + { SYS_DVBS2, PSK_8, FEC_NONE, 0x00, 0x00 }, > + { SYS_DVBS2, PSK_8, FEC_3_5, 0x00, 0x0c }, > + { SYS_DVBS2, PSK_8, FEC_2_3, 0x00, 0x0d }, > + { SYS_DVBS2, PSK_8, FEC_3_4, 0x00, 0x0e }, > + { SYS_DVBS2, PSK_8, FEC_5_6, 0x00, 0x0f }, > + { SYS_DVBS2, PSK_8, FEC_8_9, 0x00, 0x10 }, > + { SYS_DVBS2, PSK_8, FEC_9_10, 0x00, 0x11 }, > + { SYS_DVBS2, PSK_8, FEC_AUTO, 0x00, 0x00 }, > + /* > + * 'val' can be found in the FECSTATUS register when tuning. > + * FECSTATUS will give the actual FEC in use if tuning was successful. > + */ > +}; > + > + > +static int cx24117_writereg(struct cx24117_state *state, u8 reg, u8 data) > +{ > + u8 buf[] = { reg, data }; > + struct i2c_msg msg = { .addr = state->priv->demod_address, > + .flags = 0, .buf = buf, .len = 2 }; > + int ret; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d i2c wr @0x%02x=0x%02x\n", > + __func__, state->demod, reg, data); > + > + ret = i2c_transfer(state->priv->i2c, &msg, 1); > + if (ret < 0) { > + dev_warn(&state->priv->i2c->dev, > + "%s: demod%d i2c wr err(%i) @0x%02x=0x%02x\n", > + KBUILD_MODNAME, state->demod, ret, reg, data); > + return ret; > + } > + return 0; > +} > + > +static int cx24117_writecmd(struct cx24117_state *state, > + struct cx24117_cmd *cmd) > +{ > + struct i2c_msg msg; > + u8 buf[CX24117_ARGLEN+1]; > + int ret; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d i2c wr cmd len=%d\n", > + __func__, state->demod, cmd->len); > + > + buf[0] = CX24117_REG_COMMAND; > + memcpy(&buf[1], cmd->args, cmd->len); > + > + msg.addr = state->priv->demod_address; > + msg.flags = 0; > + msg.len = cmd->len+1; > + msg.buf = buf; > + ret = i2c_transfer(state->priv->i2c, &msg, 1); > + if (ret < 0) { > + dev_warn(&state->priv->i2c->dev, > + "%s: demod%d i2c wr cmd err(%i) len=%d\n", > + KBUILD_MODNAME, state->demod, ret, cmd->len); > + return ret; > + } > + return 0; > +} > + > +static int cx24117_readreg(struct cx24117_state *state, u8 reg) > +{ > + int ret; > + u8 recv = 0; > + struct i2c_msg msg[] = { > + { .addr = state->priv->demod_address, .flags = 0, > + .buf = ®, .len = 1 }, > + { .addr = state->priv->demod_address, .flags = I2C_M_RD, > + .buf = &recv, .len = 1 } > + }; > + > + ret = i2c_transfer(state->priv->i2c, msg, 2); > + if (ret < 0) { > + dev_warn(&state->priv->i2c->dev, > + "%s: demod%d i2c rd err(%d) @0x%x\n", > + KBUILD_MODNAME, state->demod, ret, reg); > + return ret; > + } > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d i2c rd @0x%02x=0x%02x\n", > + __func__, state->demod, reg, recv); > + > + return recv; > +} > + > +static int cx24117_readregN(struct cx24117_state *state, > + u8 reg, u8 *buf, int len) > +{ > + int ret; > + struct i2c_msg msg[] = { > + { .addr = state->priv->demod_address, .flags = 0, > + .buf = ®, .len = 1 }, > + { .addr = state->priv->demod_address, .flags = I2C_M_RD, > + .buf = buf, .len = len } > + }; > + > + ret = i2c_transfer(state->priv->i2c, msg, 2); > + if (ret < 0) { > + dev_warn(&state->priv->i2c->dev, > + "%s: demod%d i2c rd err(%d) @0x%x\n", > + KBUILD_MODNAME, state->demod, ret, reg); > + return ret; > + } > + return 0; > +} > + > +static int cx24117_set_inversion(struct cx24117_state *state, > + fe_spectral_inversion_t inversion) > +{ > + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", > + __func__, inversion, state->demod); > + > + switch (inversion) { > + case INVERSION_OFF: > + state->dnxt.inversion_val = 0x00; > + break; > + case INVERSION_ON: > + state->dnxt.inversion_val = 0x04; > + break; > + case INVERSION_AUTO: > + state->dnxt.inversion_val = 0x0C; > + break; > + default: > + return -EINVAL; > + } > + > + state->dnxt.inversion = inversion; > + > + return 0; > +} > + > +static int cx24117_lookup_fecmod(struct cx24117_state *state, > + fe_delivery_system_t d, fe_modulation_t m, fe_code_rate_t f) > +{ > + int i, ret = -EINVAL; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s(demod(0x%02x,0x%02x) demod%d\n", > + __func__, m, f, state->demod); > + > + for (i = 0; i < ARRAY_SIZE(cx24117_modfec_modes); i++) { > + if ((d == cx24117_modfec_modes[i].delivery_system) && > + (m == cx24117_modfec_modes[i].modulation) && > + (f == cx24117_modfec_modes[i].fec)) { > + ret = i; > + break; > + } > + } > + > + return ret; > +} > + > +static int cx24117_set_fec(struct cx24117_state *state, > + fe_delivery_system_t delsys, fe_modulation_t mod, fe_code_rate_t fec) > +{ > + int ret; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s(0x%02x,0x%02x) demod%d\n", > + __func__, mod, fec, state->demod); > + > + ret = cx24117_lookup_fecmod(state, delsys, mod, fec); > + if (ret < 0) > + return ret; > + > + state->dnxt.fec = fec; > + state->dnxt.fec_val = cx24117_modfec_modes[ret].val; > + state->dnxt.fec_mask = cx24117_modfec_modes[ret].mask; > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d mask/val = 0x%02x/0x%02x\n", __func__, > + state->demod, state->dnxt.fec_mask, state->dnxt.fec_val); > + > + return 0; > +} > + > +static int cx24117_set_symbolrate(struct cx24117_state *state, u32 rate) > +{ > + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", > + __func__, rate, state->demod); > + > + state->dnxt.symbol_rate = rate; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d symbol_rate = %d\n", > + __func__, state->demod, rate); > + > + return 0; > +} > + > +static int cx24117_load_firmware(struct dvb_frontend *fe, > + const struct firmware *fw); > + > +static int cx24117_firmware_ondemand(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + const struct firmware *fw; > + int ret = 0; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d skip_fw_load=%d\n", > + __func__, state->demod, state->priv->skip_fw_load); > + > + if (state->priv->skip_fw_load) > + return 0; > + > + /* check if firmware if already running */ > + if (cx24117_readreg(state, 0xeb) != 0xa) { > + /* Load firmware */ > + /* request the firmware, this will block until loaded */ > + dev_dbg(&state->priv->i2c->dev, > + "%s: Waiting for firmware upload (%s)...\n", > + __func__, CX24117_DEFAULT_FIRMWARE); > + ret = request_firmware(&fw, CX24117_DEFAULT_FIRMWARE, > + state->priv->i2c->dev.parent); > + dev_dbg(&state->priv->i2c->dev, > + "%s: Waiting for firmware upload(2)...\n", __func__); > + if (ret) { > + dev_err(&state->priv->i2c->dev, > + "%s: No firmware uploaded " > + "(timeout or file not found?)\n", __func__); > + return ret; > + } > + > + /* Make sure we don't recurse back through here > + * during loading */ > + state->priv->skip_fw_load = 1; > + > + ret = cx24117_load_firmware(fe, fw); > + if (ret) > + dev_err(&state->priv->i2c->dev, > + "%s: Writing firmware failed\n", __func__); > + release_firmware(fw); > + > + dev_info(&state->priv->i2c->dev, > + "%s: Firmware upload %s\n", __func__, > + ret == 0 ? "complete" : "failed"); > + > + /* Ensure firmware is always loaded if required */ > + state->priv->skip_fw_load = 0; > + } > + > + return ret; > +} > + > +/* Take a basic firmware command structure, format it > + * and forward it for processing > + */ > +static int cx24117_cmd_execute_nolock(struct dvb_frontend *fe, > + struct cx24117_cmd *cmd) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int i, ret; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", > + __func__, state->demod); > + > + /* Load the firmware if required */ > + ret = cx24117_firmware_ondemand(fe); > + if (ret != 0) > + return ret; > + > + /* Write the command */ > + cx24117_writecmd(state, cmd); > + > + /* Start execution and wait for cmd to terminate */ > + cx24117_writereg(state, CX24117_REG_EXECUTE, 0x01); > + i = 0; > + while (cx24117_readreg(state, CX24117_REG_EXECUTE)) { > + msleep(10); > + if (i++ > 64) { > + /* Avoid looping forever if the firmware does > + not respond */ > + dev_warn(&state->priv->i2c->dev, > + "%s() Firmware not responding\n", __func__); > + return -EIO; > + } > + } > + return 0; > +} > + > +static int cx24117_cmd_execute(struct dvb_frontend *fe, struct cx24117_cmd *cmd) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int ret; > + > + mutex_lock(&state->priv->fe_lock); > + ret = cx24117_cmd_execute_nolock(fe, cmd); > + mutex_unlock(&state->priv->fe_lock); > + > + return ret; > +} > + > +static int cx24117_load_firmware(struct dvb_frontend *fe, > + const struct firmware *fw) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + int i, ret; > + unsigned char vers[4]; > + > + struct i2c_msg msg; > + u8 *buf; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d FW is %zu bytes (%02x %02x .. %02x %02x)\n", > + __func__, state->demod, fw->size, fw->data[0], fw->data[1], > + fw->data[fw->size-2], fw->data[fw->size-1]); > + > + cx24117_writereg(state, 0xea, 0x00); > + cx24117_writereg(state, 0xea, 0x01); > + cx24117_writereg(state, 0xea, 0x00); > + > + cx24117_writereg(state, 0xce, 0x92); > + > + cx24117_writereg(state, 0xfb, 0x00); > + cx24117_writereg(state, 0xfc, 0x00); > + > + cx24117_writereg(state, 0xc3, 0x04); > + cx24117_writereg(state, 0xc4, 0x04); > + > + cx24117_writereg(state, 0xce, 0x00); > + cx24117_writereg(state, 0xcf, 0x00); > + > + cx24117_writereg(state, 0xea, 0x00); > + cx24117_writereg(state, 0xeb, 0x0c); > + cx24117_writereg(state, 0xec, 0x06); > + cx24117_writereg(state, 0xed, 0x05); > + cx24117_writereg(state, 0xee, 0x03); > + cx24117_writereg(state, 0xef, 0x05); > + > + cx24117_writereg(state, 0xf3, 0x03); > + cx24117_writereg(state, 0xf4, 0x44); > + > + cx24117_writereg(state, CX24117_REG_RATEDIV0, 0x04); > + cx24117_writereg(state, CX24117_REG_CLKDIV0, 0x02); > + > + cx24117_writereg(state, CX24117_REG_RATEDIV1, 0x04); > + cx24117_writereg(state, CX24117_REG_CLKDIV1, 0x02); > + > + cx24117_writereg(state, 0xf2, 0x04); > + cx24117_writereg(state, 0xe8, 0x02); > + cx24117_writereg(state, 0xea, 0x01); > + cx24117_writereg(state, 0xc8, 0x00); > + cx24117_writereg(state, 0xc9, 0x00); > + cx24117_writereg(state, 0xca, 0x00); > + cx24117_writereg(state, 0xcb, 0x00); > + cx24117_writereg(state, 0xcc, 0x00); > + cx24117_writereg(state, 0xcd, 0x00); > + cx24117_writereg(state, 0xe4, 0x03); > + cx24117_writereg(state, 0xeb, 0x0a); > + > + cx24117_writereg(state, 0xfb, 0x00); > + cx24117_writereg(state, 0xe0, 0x76); > + cx24117_writereg(state, 0xf7, 0x81); > + cx24117_writereg(state, 0xf8, 0x00); > + cx24117_writereg(state, 0xf9, 0x00); > + > + buf = kmalloc(fw->size + 1, GFP_KERNEL); > + if (buf == NULL) { > + state->priv->skip_fw_load = 0; > + return -ENOMEM; > + } > + > + /* fw upload reg */ > + buf[0] = 0xfa; > + memcpy(&buf[1], fw->data, fw->size); > + > + /* prepare i2c message to send */ > + msg.addr = state->priv->demod_address; > + msg.flags = 0; > + msg.len = fw->size + 1; > + msg.buf = buf; > + > + /* send fw */ > + ret = i2c_transfer(state->priv->i2c, &msg, 1); > + if (ret < 0) > + return ret; > + > + kfree(buf); > + > + cx24117_writereg(state, 0xf7, 0x0c); > + cx24117_writereg(state, 0xe0, 0x00); > + > + /* CMD 1B */ > + cmd.args[0] = 0x1b; > + cmd.args[1] = 0x00; > + cmd.args[2] = 0x01; > + cmd.args[3] = 0x00; > + cmd.len = 4; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + > + /* CMD 10 */ > + cmd.args[0] = CMD_SET_VCO; > + cmd.args[1] = 0x06; > + cmd.args[2] = 0x2b; > + cmd.args[3] = 0xd8; > + cmd.args[4] = 0xa5; > + cmd.args[5] = 0xee; > + cmd.args[6] = 0x03; > + cmd.args[7] = 0x9d; > + cmd.args[8] = 0xfc; > + cmd.args[9] = 0x06; > + cmd.args[10] = 0x02; > + cmd.args[11] = 0x9d; > + cmd.args[12] = 0xfc; > + cmd.len = 13; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + > + /* CMD 15 */ > + cmd.args[0] = 0x15; > + cmd.args[1] = 0x00; > + cmd.args[2] = 0x01; > + cmd.args[3] = 0x00; > + cmd.args[4] = 0x00; > + cmd.args[5] = 0x01; > + cmd.args[6] = 0x01; > + cmd.args[7] = 0x01; > + cmd.args[8] = 0x00; > + cmd.args[9] = 0x05; > + cmd.args[10] = 0x02; > + cmd.args[11] = 0x02; > + cmd.args[12] = 0x00; > + cmd.len = 13; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + > + /* CMD 13 */ > + cmd.args[0] = CMD_MPEGCONFIG; > + cmd.args[1] = 0x00; > + cmd.args[2] = 0x00; > + cmd.args[3] = 0x00; > + cmd.args[4] = 0x01; > + cmd.args[5] = 0x00; > + cmd.len = 6; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + > + /* CMD 14 */ > + for (i = 0; i < 2; i++) { > + cmd.args[0] = CMD_TUNERINIT; > + cmd.args[1] = (u8) i; > + cmd.args[2] = 0x00; > + cmd.args[3] = 0x05; > + cmd.args[4] = 0x00; > + cmd.args[5] = 0x00; > + cmd.args[6] = 0x55; > + cmd.args[7] = 0x00; > + cmd.len = 8; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + } > + > + cx24117_writereg(state, 0xce, 0xc0); > + cx24117_writereg(state, 0xcf, 0x00); > + cx24117_writereg(state, 0xe5, 0x04); > + > + /* Firmware CMD 35: Get firmware version */ > + cmd.args[0] = CMD_UPDFWVERS; > + cmd.len = 2; > + for (i = 0; i < 4; i++) { > + cmd.args[1] = i; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + goto error; > + vers[i] = cx24117_readreg(state, 0x33); > + } > + dev_info(&state->priv->i2c->dev, > + "%s: FW version %i.%i.%i.%i\n", __func__, > + vers[0], vers[1], vers[2], vers[3]); > + return 0; > +error: > + state->priv->skip_fw_load = 0; > + dev_err(&state->priv->i2c->dev, "%s() Error running FW.\n", __func__); > + return ret; > +} > + > +static int cx24117_read_status(struct dvb_frontend *fe, fe_status_t *status) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int lock; > + > + lock = cx24117_readreg(state, > + (state->demod == 0) ? CX24117_REG_SSTATUS0 : > + CX24117_REG_SSTATUS1) & > + CX24117_STATUS_MASK; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d status = 0x%02x\n", > + __func__, state->demod, lock); > + > + *status = 0; > + > + if (lock & CX24117_HAS_SIGNAL) > + *status |= FE_HAS_SIGNAL; > + if (lock & CX24117_HAS_CARRIER) > + *status |= FE_HAS_CARRIER; > + if (lock & CX24117_HAS_VITERBI) > + *status |= FE_HAS_VITERBI; > + if (lock & CX24117_HAS_SYNCLOCK) > + *status |= FE_HAS_SYNC | FE_HAS_LOCK; > + > + return 0; > +} > + > +static int cx24117_read_ber(struct dvb_frontend *fe, u32 *ber) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int ret; > + u8 buf[4]; > + u8 base_reg = (state->demod == 0) ? > + CX24117_REG_BER4_0 : > + CX24117_REG_BER4_1; > + > + ret = cx24117_readregN(state, base_reg, buf, 4); > + if (ret != 0) > + return ret; > + > + *ber = (buf[0] << 24) | (buf[1] << 16) | > + (buf[1] << 8) | buf[0]; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d ber=0x%04x\n", > + __func__, state->demod, *ber); > + > + return 0; > +} > + > +static int cx24117_read_signal_strength(struct dvb_frontend *fe, > + u16 *signal_strength) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + int ret; > + u16 sig_reading; > + u8 buf[2]; > + u8 reg = (state->demod == 0) ? > + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1; > + > + /* Firmware CMD 1A */ > + cmd.args[0] = 0x1a; > + cmd.args[1] = (u8) state->demod; > + cmd.len = 2; > + ret = cx24117_cmd_execute(fe, &cmd); > + if (ret != 0) > + return ret; > + > + ret = cx24117_readregN(state, reg, buf, 2); > + if (ret != 0) > + return ret; > + sig_reading = ((buf[0] & CX24117_SIGNAL_MASK) << 2) | buf[1]; > + > + *signal_strength = -100 * sig_reading + 94324; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d raw / cooked = 0x%04x / 0x%04x\n", > + __func__, state->demod, sig_reading, *signal_strength); > + > + return 0; > +} > + > +static int cx24117_read_snr(struct dvb_frontend *fe, u16 *snr) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int ret; > + u8 buf[2]; > + u8 reg = (state->demod == 0) ? > + CX24117_REG_QUALITY2_0 : CX24117_REG_QUALITY2_1; > + > + ret = cx24117_readregN(state, reg, buf, 2); > + if (ret != 0) > + return ret; > + > + *snr = (buf[0] << 8) | buf[1]; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d snr = 0x%04x\n", > + __func__, state->demod, *snr); > + > + return ret; > +} > + > +static int cx24117_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + fe_delivery_system_t delsys = fe->dtv_property_cache.delivery_system; > + int ret; > + u8 buf[2]; > + u8 reg = (state->demod == 0) ? > + CX24117_REG_DVBS_UCB2_0 : > + CX24117_REG_DVBS_UCB2_1; > + > + switch (delsys) { > + case SYS_DVBS: > + break; > + case SYS_DVBS2: > + reg += (CX24117_REG_DVBS2_UCB2_0 - CX24117_REG_DVBS_UCB2_0); > + break; > + default: > + return -EINVAL; > + } > + > + ret = cx24117_readregN(state, reg, buf, 2); > + if (ret != 0) > + return ret; > + *ucblocks = (buf[0] << 8) | buf[1]; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d ucb=0x%04x\n", > + __func__, state->demod, *ucblocks); > + > + return 0; > +} > + > +/* Overwrite the current tuning params, we are about to tune */ > +static void cx24117_clone_params(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + state->dcur = state->dnxt; > +} > + > +/* Wait for LNB */ > +static int cx24117_wait_for_lnb(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int i; > + u8 val, reg = (state->demod == 0) ? CX24117_REG_QSTATUS0 : > + CX24117_REG_QSTATUS1; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d qstatus = 0x%02x\n", > + __func__, state->demod, cx24117_readreg(state, reg)); > + > + /* Wait for up to 300 ms */ > + for (i = 0; i < 10; i++) { > + val = cx24117_readreg(state, reg) & 0x01; > + if (val != 0) > + return 0; > + msleep(30); > + } > + > + dev_warn(&state->priv->i2c->dev, "%s: demod%d LNB not ready\n", > + KBUILD_MODNAME, state->demod); > + > + return -ETIMEDOUT; /* -EBUSY ? */ > +} > + > +static int cx24117_set_voltage(struct dvb_frontend *fe, > + fe_sec_voltage_t voltage) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + int ret; > + u8 reg = (state->demod == 0) ? 0x10 : 0x20; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d %s\n", > + __func__, state->demod, > + voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : > + voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : > + "SEC_VOLTAGE_OFF"); > + > + /* CMD 32 */ > + cmd.args[0] = 0x32; > + cmd.args[1] = reg; > + cmd.args[2] = reg; > + cmd.len = 3; > + ret = cx24117_cmd_execute(fe, &cmd); > + if (ret) > + return ret; > + > + if ((voltage == SEC_VOLTAGE_13) || > + (voltage == SEC_VOLTAGE_18)) { > + /* CMD 33 */ > + cmd.args[0] = 0x33; > + cmd.args[1] = reg; > + cmd.args[2] = reg; > + cmd.len = 3; > + ret = cx24117_cmd_execute(fe, &cmd); > + if (ret != 0) > + return ret; > + > + ret = cx24117_wait_for_lnb(fe); > + if (ret != 0) > + return ret; > + > + /* Wait for voltage/min repeat delay */ > + msleep(100); > + > + /* CMD 22 - CMD_LNBDCLEVEL */ > + cmd.args[0] = CMD_LNBDCLEVEL; > + cmd.args[1] = state->demod ? 0 : 1; > + cmd.args[2] = (voltage == SEC_VOLTAGE_18 ? 0x01 : 0x00); > + cmd.len = 3; > + > + /* Min delay time before DiSEqC send */ > + msleep(15); > + } else { > + cmd.args[0] = 0x33; > + cmd.args[1] = 0x00; > + cmd.args[2] = reg; > + cmd.len = 3; > + } > + > + return cx24117_cmd_execute(fe, &cmd); > +} > + > +static int cx24117_set_tone(struct dvb_frontend *fe, > + fe_sec_tone_mode_t tone) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + int ret; > + > + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", > + __func__, state->demod, tone); > + if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) { > + dev_warn(&state->priv->i2c->dev, "%s: demod%d invalid tone=%d\n", > + KBUILD_MODNAME, state->demod, tone); > + return -EINVAL; > + } > + > + /* Wait for LNB ready */ > + ret = cx24117_wait_for_lnb(fe); > + if (ret != 0) > + return ret; > + > + /* Min delay time after DiSEqC send */ > + msleep(15); > + > + /* Set the tone */ > + /* CMD 23 - CMD_SET_TONE */ > + cmd.args[0] = CMD_SET_TONE; > + cmd.args[1] = (state->demod ? 0 : 1); > + cmd.args[2] = 0x00; > + cmd.args[3] = 0x00; > + cmd.len = 5; > + switch (tone) { > + case SEC_TONE_ON: > + cmd.args[4] = 0x01; > + break; > + case SEC_TONE_OFF: > + cmd.args[4] = 0x00; > + break; > + } > + > + msleep(15); > + > + return cx24117_cmd_execute(fe, &cmd); > +} > + > +/* Initialise DiSEqC */ > +static int cx24117_diseqc_init(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + > + /* Prepare a DiSEqC command */ > + state->dsec_cmd.args[0] = CMD_LNBSEND; > + > + /* demod */ > + state->dsec_cmd.args[CX24117_DISEQC_DEMOD] = state->demod ? 0 : 1; > + > + /* DiSEqC burst */ > + state->dsec_cmd.args[CX24117_DISEQC_BURST] = CX24117_DISEQC_MINI_A; > + > + /* Unknown */ > + state->dsec_cmd.args[CX24117_DISEQC_ARG3_2] = 0x02; > + state->dsec_cmd.args[CX24117_DISEQC_ARG4_0] = 0x00; > + > + /* Continuation flag? */ > + state->dsec_cmd.args[CX24117_DISEQC_ARG5_0] = 0x00; > + > + /* DiSEqC message length */ > + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = 0x00; > + > + /* Command length */ > + state->dsec_cmd.len = 7; > + > + return 0; > +} > + > +/* Send DiSEqC message */ > +static int cx24117_send_diseqc_msg(struct dvb_frontend *fe, > + struct dvb_diseqc_master_cmd *d) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + int i, ret; > + > + /* Dump DiSEqC message */ > + dev_dbg(&state->priv->i2c->dev, "%s: demod %d (", > + __func__, state->demod); > + for (i = 0; i < d->msg_len; i++) > + dev_dbg(&state->priv->i2c->dev, "0x%02x ", d->msg[i]); > + dev_dbg(&state->priv->i2c->dev, ")\n"); > + > + /* Validate length */ > + if (d->msg_len > 15) > + return -EINVAL; > + > + /* DiSEqC message */ > + for (i = 0; i < d->msg_len; i++) > + state->dsec_cmd.args[CX24117_DISEQC_MSGOFS + i] = d->msg[i]; > + > + /* DiSEqC message length */ > + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = d->msg_len; > + > + /* Command length */ > + state->dsec_cmd.len = CX24117_DISEQC_MSGOFS + > + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN]; > + > + /* > + * Message is sent with derived else cached burst > + * > + * WRITE PORT GROUP COMMAND 38 > + * > + * 0/A/A: E0 10 38 F0..F3 > + * 1/B/B: E0 10 38 F4..F7 > + * 2/C/A: E0 10 38 F8..FB > + * 3/D/B: E0 10 38 FC..FF > + * > + * databyte[3]= 8421:8421 > + * ABCD:WXYZ > + * CLR :SET > + * > + * WX= PORT SELECT 0..3 (X=TONEBURST) > + * Y = VOLTAGE (0=13V, 1=18V) > + * Z = BAND (0=LOW, 1=HIGH(22K)) > + */ > + if (d->msg_len >= 4 && d->msg[2] == 0x38) > + state->dsec_cmd.args[CX24117_DISEQC_BURST] = > + ((d->msg[3] & 4) >> 2); > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d burst=%d\n", > + __func__, state->demod, > + state->dsec_cmd.args[CX24117_DISEQC_BURST]); > + > + /* Wait for LNB ready */ > + ret = cx24117_wait_for_lnb(fe); > + if (ret != 0) > + return ret; > + > + /* Wait for voltage/min repeat delay */ > + msleep(100); > + > + /* Command */ > + ret = cx24117_cmd_execute(fe, &state->dsec_cmd); > + if (ret != 0) > + return ret; > + /* > + * Wait for send > + * > + * Eutelsat spec: > + * >15ms delay + (XXX determine if FW does this, see set_tone) > + * 13.5ms per byte + > + * >15ms delay + > + * 12.5ms burst + > + * >15ms delay (XXX determine if FW does this, see set_tone) > + */ > + msleep((state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] << 4) + 60); > + > + return 0; > +} > + > +/* Send DiSEqC burst */ > +static int cx24117_diseqc_send_burst(struct dvb_frontend *fe, > + fe_sec_mini_cmd_t burst) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + > + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod=%d\n", > + __func__, burst, state->demod); > + > + /* DiSEqC burst */ > + if (burst == SEC_MINI_A) > + state->dsec_cmd.args[CX24117_DISEQC_BURST] = > + CX24117_DISEQC_MINI_A; > + else if (burst == SEC_MINI_B) > + state->dsec_cmd.args[CX24117_DISEQC_BURST] = > + CX24117_DISEQC_MINI_B; > + else > + return -EINVAL; > + > + return 0; > +} > + > +static void cx24117_release(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + dev_dbg(&state->priv->i2c->dev, "%s demod%d\n", > + __func__, state->demod); > + if (!atomic_dec_and_test(&state->priv->fe_nr)) > + kfree(state->priv); > + kfree(state); > +} > + > +static struct dvb_frontend_ops cx24117_ops; > + > +struct dvb_frontend *cx24117_attach(const struct cx24117_config *config, > + struct i2c_adapter *i2c, struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = NULL; > + struct cx24117_priv *priv = NULL; > + int demod = 0; > + > + /* first frontend attaching */ > + /* allocate shared priv struct */ > + if (fe == NULL) { > + priv = kzalloc(sizeof(struct cx24117_priv), GFP_KERNEL); > + if (priv == NULL) > + goto error1; > + priv->i2c = i2c; > + priv->demod_address = config->demod_address; > + mutex_init(&priv->fe_lock); > + } else { > + demod = 1; > + priv = ((struct cx24117_state *) fe->demodulator_priv)->priv; > + } > + > + /* allocate memory for the internal state */ > + state = kzalloc(sizeof(struct cx24117_state), GFP_KERNEL); > + if (state == NULL) > + goto error2; > + > + state->demod = demod; > + state->priv = priv; > + > + /* test i2c bus for ack */ > + if (demod == 0) { > + if (cx24117_readreg(state, 0x00) < 0) > + goto error3; > + } > + > + /* nr of frontends using the module */ > + atomic_inc(&priv->fe_nr); > + > + dev_info(&state->priv->i2c->dev, > + "%s: Attaching frontend %d\n", > + KBUILD_MODNAME, demod); > + > + /* create dvb_frontend */ > + memcpy(&state->frontend.ops, &cx24117_ops, > + sizeof(struct dvb_frontend_ops)); > + state->frontend.demodulator_priv = state; > + return &state->frontend; > + > +error3: > + kfree(state); > +error2: > + kfree(priv); > +error1: > + return NULL; > +} > +EXPORT_SYMBOL_GPL(cx24117_attach); > + > +/* > + * Initialise or wake up device > + * > + * Power config will reset and load initial firmware if required > + */ > +static int cx24117_initfe(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + int ret; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", > + __func__, state->demod); > + > + mutex_lock(&state->priv->fe_lock); > + > + /* Firmware CMD 36: Power config */ > + cmd.args[0] = CMD_TUNERSLEEP; > + cmd.args[1] = (state->demod ? 1 : 0); > + cmd.args[2] = 0; > + cmd.len = 3; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + return ret; > + > + ret = cx24117_diseqc_init(fe); > + if (ret != 0) > + return ret; > + > + /* CMD 3C */ > + cmd.args[0] = 0x3c; > + cmd.args[1] = (state->demod ? 1 : 0); > + cmd.args[2] = 0x10; > + cmd.args[3] = 0x10; > + cmd.len = 4; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + return ret; > + > + /* CMD 34 */ > + cmd.args[0] = 0x34; > + cmd.args[1] = (state->demod ? 1 : 0); > + cmd.args[2] = CX24117_OCC; > + cmd.len = 3; > + ret = cx24117_cmd_execute_nolock(fe, &cmd); > + if (ret != 0) > + return ret; > + > + mutex_unlock(&state->priv->fe_lock); > + > + return ret; > +} > + > +/* > + * Put device to sleep > + */ > +static int cx24117_sleep(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct cx24117_cmd cmd; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", > + __func__, state->demod); > + > + /* Firmware CMD 36: Power config */ > + cmd.args[0] = CMD_TUNERSLEEP; > + cmd.args[1] = (state->demod ? 1 : 0); > + cmd.args[2] = 1; > + cmd.len = 3; > + return cx24117_cmd_execute(fe, &cmd); > +} > + > +/* dvb-core told us to tune, the tv property cache will be complete, > + * it's safe for is to pull values and use them for tuning purposes. > + */ > +static int cx24117_set_frontend(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > + struct cx24117_cmd cmd; > + fe_status_t tunerstat; > + int i, status, ret, retune = 1; > + u8 reg_clkdiv, reg_ratediv; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", > + __func__, state->demod); > + > + switch (c->delivery_system) { > + case SYS_DVBS: > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S\n", > + __func__, state->demod); > + > + /* Only QPSK is supported for DVB-S */ > + if (c->modulation != QPSK) { > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d unsupported modulation (%d)\n", > + __func__, state->demod, c->modulation); > + return -EINVAL; > + } > + > + /* Pilot doesn't exist in DVB-S, turn bit off */ > + state->dnxt.pilot_val = CX24117_PILOT_OFF; > + > + /* DVB-S only supports 0.35 */ > + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; > + break; > + > + case SYS_DVBS2: > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S2\n", > + __func__, state->demod); > + > + /* > + * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2, > + * but not hardware auto detection > + */ > + if (c->modulation != PSK_8 && c->modulation != QPSK) { > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d unsupported modulation (%d)\n", > + __func__, state->demod, c->modulation); > + return -EOPNOTSUPP; > + } > + > + switch (c->pilot) { > + case PILOT_AUTO: > + state->dnxt.pilot_val = CX24117_PILOT_AUTO; > + break; > + case PILOT_OFF: > + state->dnxt.pilot_val = CX24117_PILOT_OFF; > + break; > + case PILOT_ON: > + state->dnxt.pilot_val = CX24117_PILOT_ON; > + break; > + default: > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d unsupported pilot mode (%d)\n", > + __func__, state->demod, c->pilot); > + return -EOPNOTSUPP; > + } > + > + switch (c->rolloff) { > + case ROLLOFF_20: > + state->dnxt.rolloff_val = CX24117_ROLLOFF_020; > + break; > + case ROLLOFF_25: > + state->dnxt.rolloff_val = CX24117_ROLLOFF_025; > + break; > + case ROLLOFF_35: > + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; > + break; > + case ROLLOFF_AUTO: > + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; > + /* soft-auto rolloff */ > + retune = 3; > + break; > + default: > + dev_warn(&state->priv->i2c->dev, > + "%s: demod%d unsupported rolloff (%d)\n", > + KBUILD_MODNAME, state->demod, c->rolloff); > + return -EOPNOTSUPP; > + } > + break; > + > + default: > + dev_warn(&state->priv->i2c->dev, > + "%s: demod %d unsupported delivery system (%d)\n", > + KBUILD_MODNAME, state->demod, c->delivery_system); > + return -EINVAL; > + } > + > + state->dnxt.delsys = c->delivery_system; > + state->dnxt.modulation = c->modulation; > + state->dnxt.frequency = c->frequency; > + state->dnxt.pilot = c->pilot; > + state->dnxt.rolloff = c->rolloff; > + > + ret = cx24117_set_inversion(state, c->inversion); > + if (ret != 0) > + return ret; > + > + ret = cx24117_set_fec(state, > + c->delivery_system, c->modulation, c->fec_inner); > + if (ret != 0) > + return ret; > + > + ret = cx24117_set_symbolrate(state, c->symbol_rate); > + if (ret != 0) > + return ret; > + > + /* discard the 'current' tuning parameters and prepare to tune */ > + cx24117_clone_params(fe); > + > + dev_dbg(&state->priv->i2c->dev, > + "%s: delsys = %d\n", __func__, state->dcur.delsys); > + dev_dbg(&state->priv->i2c->dev, > + "%s: modulation = %d\n", __func__, state->dcur.modulation); > + dev_dbg(&state->priv->i2c->dev, > + "%s: frequency = %d\n", __func__, state->dcur.frequency); > + dev_dbg(&state->priv->i2c->dev, > + "%s: pilot = %d (val = 0x%02x)\n", __func__, > + state->dcur.pilot, state->dcur.pilot_val); > + dev_dbg(&state->priv->i2c->dev, > + "%s: retune = %d\n", __func__, retune); > + dev_dbg(&state->priv->i2c->dev, > + "%s: rolloff = %d (val = 0x%02x)\n", __func__, > + state->dcur.rolloff, state->dcur.rolloff_val); > + dev_dbg(&state->priv->i2c->dev, > + "%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); > + dev_dbg(&state->priv->i2c->dev, > + "%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, > + state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); > + dev_dbg(&state->priv->i2c->dev, > + "%s: Inversion = %d (val = 0x%02x)\n", __func__, > + state->dcur.inversion, state->dcur.inversion_val); > + > + /* Prepare a tune request */ > + cmd.args[0] = CMD_TUNEREQUEST; > + > + /* demod */ > + cmd.args[1] = state->demod; > + > + /* Frequency */ > + cmd.args[2] = (state->dcur.frequency & 0xff0000) >> 16; > + cmd.args[3] = (state->dcur.frequency & 0x00ff00) >> 8; > + cmd.args[4] = (state->dcur.frequency & 0x0000ff); > + > + /* Symbol Rate */ > + cmd.args[5] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8; > + cmd.args[6] = ((state->dcur.symbol_rate / 1000) & 0x00ff); > + > + /* Automatic Inversion */ > + cmd.args[7] = state->dcur.inversion_val; > + > + /* Modulation / FEC / Pilot */ > + cmd.args[8] = state->dcur.fec_val | state->dcur.pilot_val; > + > + cmd.args[9] = CX24117_SEARCH_RANGE_KHZ >> 8; > + cmd.args[10] = CX24117_SEARCH_RANGE_KHZ & 0xff; > + > + cmd.args[11] = state->dcur.rolloff_val; > + cmd.args[12] = state->dcur.fec_mask; > + > + if (state->dcur.symbol_rate > 30000000) { > + reg_ratediv = 0x04; > + reg_clkdiv = 0x02; > + } else if (state->dcur.symbol_rate > 10000000) { > + reg_ratediv = 0x06; > + reg_clkdiv = 0x03; > + } else { > + reg_ratediv = 0x0a; > + reg_clkdiv = 0x05; > + } > + > + cmd.args[13] = reg_ratediv; > + cmd.args[14] = reg_clkdiv; > + > + cx24117_writereg(state, (state->demod == 0) ? > + CX24117_REG_CLKDIV0 : CX24117_REG_CLKDIV1, reg_clkdiv); > + cx24117_writereg(state, (state->demod == 0) ? > + CX24117_REG_RATEDIV0 : CX24117_REG_RATEDIV1, reg_ratediv); > + > + cmd.args[15] = CX24117_PNE; > + cmd.len = 16; > + > + do { > + /* Reset status register */ > + status = cx24117_readreg(state, (state->demod == 0) ? > + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1) & > + CX24117_SIGNAL_MASK; > + > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d status_setfe = %02x\n", > + __func__, state->demod, status); > + > + cx24117_writereg(state, (state->demod == 0) ? > + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1, status); > + > + /* Tune */ > + ret = cx24117_cmd_execute(fe, &cmd); > + if (ret != 0) > + break; > + > + /* > + * Wait for up to 500 ms before retrying > + * > + * If we are able to tune then generally it occurs within 100ms. > + * If it takes longer, try a different rolloff setting. > + */ > + for (i = 0; i < 50; i++) { > + cx24117_read_status(fe, &tunerstat); > + status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); > + if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { > + dev_dbg(&state->priv->i2c->dev, > + "%s() demod%d tuned\n", > + __func__, state->demod); > + return 0; > + } > + msleep(10); > + } > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d not tuned\n", > + __func__, state->demod); > + > + /* try next rolloff value */ > + if (state->dcur.rolloff == 3) > + cmd.args[11]--; > + > + } while (--retune); > + return -EINVAL; > +} > + > +static int cx24117_tune(struct dvb_frontend *fe, bool re_tune, > + unsigned int mode_flags, unsigned int *delay, fe_status_t *status) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + > + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", > + __func__, state->demod); > + > + *delay = HZ / 5; > + if (re_tune) { > + int ret = cx24117_set_frontend(fe); > + if (ret) > + return ret; > + } > + return cx24117_read_status(fe, status); > +} > + > +static int cx24117_get_algo(struct dvb_frontend *fe) > +{ > + return DVBFE_ALGO_HW; > +} > + > +static int cx24117_get_frontend(struct dvb_frontend *fe) > +{ > + struct cx24117_state *state = fe->demodulator_priv; > + struct dtv_frontend_properties *c = &fe->dtv_property_cache; > + struct cx24117_cmd cmd; > + u8 reg, st, inv; > + int ret, idx; > + unsigned int freq; > + short srate_os, freq_os; > + > + u8 buf[0x1f-4]; > + > + cmd.args[0] = 0x1c; > + cmd.args[1] = (u8) state->demod; > + cmd.len = 2; > + ret = cx24117_cmd_execute(fe, &cmd); > + if (ret != 0) > + return ret; > + > + /* read all required regs at once */ > + reg = (state->demod == 0) ? CX24117_REG_FREQ3_0 : CX24117_REG_FREQ3_1; > + ret = cx24117_readregN(state, reg, buf, 0x1f-4); > + if (ret != 0) > + return ret; > + > + st = buf[5]; > + > + /* get spectral inversion */ > + inv = (((state->demod == 0) ? ~st : st) >> 6) & 1; > + if (inv == 0) > + c->inversion = INVERSION_OFF; > + else > + c->inversion = INVERSION_ON; > + > + /* modulation and fec */ > + idx = st & 0x3f; > + if (c->delivery_system == SYS_DVBS2) { > + if (idx > 11) > + idx += 9; > + else > + idx += 7; > + } > + > + c->modulation = cx24117_modfec_modes[idx].modulation; > + c->fec_inner = cx24117_modfec_modes[idx].fec; > + > + /* frequency */ > + freq = (buf[0] << 16) | (buf[1] << 8) | buf[2]; > + freq_os = (buf[8] << 8) | buf[9]; > + c->frequency = freq + freq_os; > + > + /* symbol rate */ > + srate_os = (buf[10] << 8) | buf[11]; > + c->symbol_rate = -1000 * srate_os + state->dcur.symbol_rate; > + return 0; > +} > + > +static struct dvb_frontend_ops cx24117_ops = { > + .delsys = { SYS_DVBS, SYS_DVBS2 }, > + .info = { > + .name = "Conexant CX24117/CX24132", > + .frequency_min = 950000, > + .frequency_max = 2150000, > + .frequency_stepsize = 1011, /* kHz for QPSK frontends */ > + .frequency_tolerance = 5000, > + .symbol_rate_min = 1000000, > + .symbol_rate_max = 45000000, > + .caps = FE_CAN_INVERSION_AUTO | > + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | > + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | > + FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | > + FE_CAN_2G_MODULATION | > + FE_CAN_QPSK | FE_CAN_RECOVER > + }, > + > + .release = cx24117_release, > + > + .init = cx24117_initfe, > + .sleep = cx24117_sleep, > + .read_status = cx24117_read_status, > + .read_ber = cx24117_read_ber, > + .read_signal_strength = cx24117_read_signal_strength, > + .read_snr = cx24117_read_snr, > + .read_ucblocks = cx24117_read_ucblocks, > + .set_tone = cx24117_set_tone, > + .set_voltage = cx24117_set_voltage, > + .diseqc_send_master_cmd = cx24117_send_diseqc_msg, > + .diseqc_send_burst = cx24117_diseqc_send_burst, > + .get_frontend_algo = cx24117_get_algo, > + .tune = cx24117_tune, > + > + .set_frontend = cx24117_set_frontend, > + .get_frontend = cx24117_get_frontend, > +}; > + > + > +MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24117/cx24132 hardware"); > +MODULE_AUTHOR("Luis Alves (ljalvs@gmail.com)"); > +MODULE_LICENSE("GPL"); > +MODULE_VERSION("1.1"); > +MODULE_FIRMWARE(CX24117_DEFAULT_FIRMWARE); > + > diff --git a/drivers/media/dvb-frontends/cx24117.h b/drivers/media/dvb-frontends/cx24117.h > new file mode 100644 > index 0000000..5bc8f11 > --- /dev/null > +++ b/drivers/media/dvb-frontends/cx24117.h > @@ -0,0 +1,47 @@ > +/* > + Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver > + > + Copyright (C) 2013 Luis Alves <ljalvs@gmail.com> > + (based on cx24116.h by Steven Toth) > + > + 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. > + > + You should have received a copy of the GNU General Public License > + along with this program; if not, write to the Free Software > + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. > +*/ > + > +#ifndef CX24117_H > +#define CX24117_H > + > +#include <linux/kconfig.h> > +#include <linux/dvb/frontend.h> > + > +struct cx24117_config { > + /* the demodulator's i2c address */ > + u8 demod_address; > +}; > + > +#if IS_ENABLED(CONFIG_DVB_CX24117) > +extern struct dvb_frontend *cx24117_attach( > + const struct cx24117_config *config, > + struct i2c_adapter *i2c, struct dvb_frontend *fe); > +#else > +static inline struct dvb_frontend *cx24117_attach( > + const struct cx24117_config *config, > + struct i2c_adapter *i2c, struct dvb_frontend *fe) > +{ > + dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__); > + return NULL; > +} > +#endif > + > +#endif /* CX24117_H */ >
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0e2ec6f..bddbab4 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -200,6 +200,13 @@ config DVB_CX24116 help A DVB-S/S2 tuner module. Say Y when you want to support this frontend. +config DVB_CX24117 + tristate "Conexant CX24117 based" + depends on DVB_CORE && I2C + default m if !MEDIA_SUBDRV_AUTOSELECT + help + A Dual DVB-S/S2 tuner module. Say Y when you want to support this frontend. + config DVB_SI21XX tristate "Silicon Labs SI21XX based" depends on DVB_CORE && I2C diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile index cebc0fa..f9cb43d 100644 --- a/drivers/media/dvb-frontends/Makefile +++ b/drivers/media/dvb-frontends/Makefile @@ -76,6 +76,7 @@ obj-$(CONFIG_DVB_ATBM8830) += atbm8830.o obj-$(CONFIG_DVB_DUMMY_FE) += dvb_dummy_fe.o obj-$(CONFIG_DVB_AF9013) += af9013.o obj-$(CONFIG_DVB_CX24116) += cx24116.o +obj-$(CONFIG_DVB_CX24117) += cx24117.o obj-$(CONFIG_DVB_SI21XX) += si21xx.o obj-$(CONFIG_DVB_STV0288) += stv0288.o obj-$(CONFIG_DVB_STB6000) += stb6000.o diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c new file mode 100644 index 0000000..19ea43e --- /dev/null +++ b/drivers/media/dvb-frontends/cx24117.c @@ -0,0 +1,1621 @@ +/* + Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver + + Copyright (C) 2013 Luis Alves <ljalvs@gmail.com> + July, 6th 2013 + First release based on cx24116 driver by: + Steven Toth and Georg Acher, Darron Broad, Igor Liplianin + Cards currently supported: + TBS6980 - Dual DVBS/S2 PCIe card + TBS6981 - Dual DVBS/S2 PCIe card + + 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include <linux/slab.h> +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/firmware.h> + +#include "dvb_frontend.h" +#include "cx24117.h" + + +#define CX24117_DEFAULT_FIRMWARE "dvb-fe-cx24117.fw" +#define CX24117_SEARCH_RANGE_KHZ 5000 + +/* known registers */ +#define CX24117_REG_COMMAND (0x00) /* command buffer */ +#define CX24117_REG_EXECUTE (0x1f) /* execute command */ + +#define CX24117_REG_FREQ3_0 (0x34) /* frequency */ +#define CX24117_REG_FREQ2_0 (0x35) +#define CX24117_REG_FREQ1_0 (0x36) +#define CX24117_REG_STATE0 (0x39) +#define CX24117_REG_SSTATUS0 (0x3a) /* demod0 signal high / status */ +#define CX24117_REG_SIGNAL0 (0x3b) +#define CX24117_REG_FREQ5_0 (0x3c) /* +-freq */ +#define CX24117_REG_FREQ6_0 (0x3d) +#define CX24117_REG_SRATE2_0 (0x3e) /* +- 1000 * srate */ +#define CX24117_REG_SRATE1_0 (0x3f) +#define CX24117_REG_QUALITY2_0 (0x40) +#define CX24117_REG_QUALITY1_0 (0x41) + +#define CX24117_REG_BER4_0 (0x47) +#define CX24117_REG_BER3_0 (0x48) +#define CX24117_REG_BER2_0 (0x49) +#define CX24117_REG_BER1_0 (0x4a) +#define CX24117_REG_DVBS_UCB2_0 (0x4b) +#define CX24117_REG_DVBS_UCB1_0 (0x4c) +#define CX24117_REG_DVBS2_UCB2_0 (0x50) +#define CX24117_REG_DVBS2_UCB1_0 (0x51) +#define CX24117_REG_QSTATUS0 (0x93) +#define CX24117_REG_CLKDIV0 (0xe6) +#define CX24117_REG_RATEDIV0 (0xf0) + + +#define CX24117_REG_FREQ3_1 (0x55) /* frequency */ +#define CX24117_REG_FREQ2_1 (0x56) +#define CX24117_REG_FREQ1_1 (0x57) +#define CX24117_REG_STATE1 (0x5a) +#define CX24117_REG_SSTATUS1 (0x5b) /* demod1 signal high / status */ +#define CX24117_REG_SIGNAL1 (0x5c) +#define CX24117_REG_FREQ5_1 (0x5d) /* +- freq */ +#define CX24117_REG_FREQ4_1 (0x5e) +#define CX24117_REG_SRATE2_1 (0x5f) +#define CX24117_REG_SRATE1_1 (0x60) +#define CX24117_REG_QUALITY2_1 (0x61) +#define CX24117_REG_QUALITY1_1 (0x62) +#define CX24117_REG_BER4_1 (0x68) +#define CX24117_REG_BER3_1 (0x69) +#define CX24117_REG_BER2_1 (0x6a) +#define CX24117_REG_BER1_1 (0x6b) +#define CX24117_REG_DVBS_UCB2_1 (0x6c) +#define CX24117_REG_DVBS_UCB1_1 (0x6d) +#define CX24117_REG_DVBS2_UCB2_1 (0x71) +#define CX24117_REG_DVBS2_UCB1_1 (0x72) +#define CX24117_REG_QSTATUS1 (0x9f) +#define CX24117_REG_CLKDIV1 (0xe7) +#define CX24117_REG_RATEDIV1 (0xf1) + + +/* arg buffer size */ +#define CX24117_ARGLEN (0x1e) + +/* rolloff */ +#define CX24117_ROLLOFF_020 (0x00) +#define CX24117_ROLLOFF_025 (0x01) +#define CX24117_ROLLOFF_035 (0x02) + +/* pilot bit */ +#define CX24117_PILOT_OFF (0x00) +#define CX24117_PILOT_ON (0x40) +#define CX24117_PILOT_AUTO (0x80) + +/* signal status */ +#define CX24117_HAS_SIGNAL (0x01) +#define CX24117_HAS_CARRIER (0x02) +#define CX24117_HAS_VITERBI (0x04) +#define CX24117_HAS_SYNCLOCK (0x08) +#define CX24117_STATUS_MASK (0x0f) +#define CX24117_SIGNAL_MASK (0xc0) + + +/* arg offset for DiSEqC */ +#define CX24117_DISEQC_DEMOD (1) +#define CX24117_DISEQC_BURST (2) +#define CX24117_DISEQC_ARG3_2 (3) /* unknown value=2 */ +#define CX24117_DISEQC_ARG4_0 (4) /* unknown value=0 */ +#define CX24117_DISEQC_ARG5_0 (5) /* unknown value=0 */ +#define CX24117_DISEQC_MSGLEN (6) +#define CX24117_DISEQC_MSGOFS (7) + +/* DiSEqC burst */ +#define CX24117_DISEQC_MINI_A (0) +#define CX24117_DISEQC_MINI_B (1) + + +#define CX24117_PNE (0) /* 0 disabled / 2 enabled */ +#define CX24117_OCC (1) /* 0 disabled / 1 enabled */ + + +enum cmds { + CMD_SET_VCO = 0x10, + CMD_TUNEREQUEST = 0x11, + CMD_MPEGCONFIG = 0x13, + CMD_TUNERINIT = 0x14, + CMD_LNBSEND = 0x21, /* Formerly CMD_SEND_DISEQC */ + CMD_LNBDCLEVEL = 0x22, + CMD_SET_TONE = 0x23, + CMD_UPDFWVERS = 0x35, + CMD_TUNERSLEEP = 0x36, +}; + +/* The Demod/Tuner can't easily provide these, we cache them */ +struct cx24117_tuning { + u32 frequency; + u32 symbol_rate; + fe_spectral_inversion_t inversion; + fe_code_rate_t fec; + + fe_delivery_system_t delsys; + fe_modulation_t modulation; + fe_pilot_t pilot; + fe_rolloff_t rolloff; + + /* Demod values */ + u8 fec_val; + u8 fec_mask; + u8 inversion_val; + u8 pilot_val; + u8 rolloff_val; +}; + +/* Basic commands that are sent to the firmware */ +struct cx24117_cmd { + u8 len; + u8 args[CX24117_ARGLEN]; +}; + +/* common to both fe's */ +struct cx24117_priv { + u8 demod_address; + struct i2c_adapter *i2c; + u8 skip_fw_load; + + struct mutex fe_lock; + atomic_t fe_nr; +}; + +/* one per each fe */ +struct cx24117_state { + struct cx24117_priv *priv; + struct dvb_frontend frontend; + + struct cx24117_tuning dcur; + struct cx24117_tuning dnxt; + struct cx24117_cmd dsec_cmd; + + int demod; +}; + +/* modfec (modulation and FEC) lookup table */ +/* Check cx24116.c for a detailed description of each field */ +static struct cx24117_modfec { + fe_delivery_system_t delivery_system; + fe_modulation_t modulation; + fe_code_rate_t fec; + u8 mask; /* In DVBS mode this is used to autodetect */ + u8 val; /* Passed to the firmware to indicate mode selection */ +} cx24117_modfec_modes[] = { + /* QPSK. For unknown rates we set hardware to auto detect 0xfe 0x30 */ + + /*mod fec mask val */ + { SYS_DVBS, QPSK, FEC_NONE, 0xfe, 0x30 }, + { SYS_DVBS, QPSK, FEC_1_2, 0x02, 0x2e }, /* 00000010 00101110 */ + { SYS_DVBS, QPSK, FEC_2_3, 0x04, 0x2f }, /* 00000100 00101111 */ + { SYS_DVBS, QPSK, FEC_3_4, 0x08, 0x30 }, /* 00001000 00110000 */ + { SYS_DVBS, QPSK, FEC_4_5, 0xfe, 0x30 }, /* 000?0000 ? */ + { SYS_DVBS, QPSK, FEC_5_6, 0x20, 0x31 }, /* 00100000 00110001 */ + { SYS_DVBS, QPSK, FEC_6_7, 0xfe, 0x30 }, /* 0?000000 ? */ + { SYS_DVBS, QPSK, FEC_7_8, 0x80, 0x32 }, /* 10000000 00110010 */ + { SYS_DVBS, QPSK, FEC_8_9, 0xfe, 0x30 }, /* 0000000? ? */ + { SYS_DVBS, QPSK, FEC_AUTO, 0xfe, 0x30 }, + /* NBC-QPSK */ + { SYS_DVBS2, QPSK, FEC_NONE, 0x00, 0x00 }, + { SYS_DVBS2, QPSK, FEC_1_2, 0x00, 0x04 }, + { SYS_DVBS2, QPSK, FEC_3_5, 0x00, 0x05 }, + { SYS_DVBS2, QPSK, FEC_2_3, 0x00, 0x06 }, + { SYS_DVBS2, QPSK, FEC_3_4, 0x00, 0x07 }, + { SYS_DVBS2, QPSK, FEC_4_5, 0x00, 0x08 }, + { SYS_DVBS2, QPSK, FEC_5_6, 0x00, 0x09 }, + { SYS_DVBS2, QPSK, FEC_8_9, 0x00, 0x0a }, + { SYS_DVBS2, QPSK, FEC_9_10, 0x00, 0x0b }, + { SYS_DVBS2, QPSK, FEC_AUTO, 0x00, 0x00 }, + /* 8PSK */ + { SYS_DVBS2, PSK_8, FEC_NONE, 0x00, 0x00 }, + { SYS_DVBS2, PSK_8, FEC_3_5, 0x00, 0x0c }, + { SYS_DVBS2, PSK_8, FEC_2_3, 0x00, 0x0d }, + { SYS_DVBS2, PSK_8, FEC_3_4, 0x00, 0x0e }, + { SYS_DVBS2, PSK_8, FEC_5_6, 0x00, 0x0f }, + { SYS_DVBS2, PSK_8, FEC_8_9, 0x00, 0x10 }, + { SYS_DVBS2, PSK_8, FEC_9_10, 0x00, 0x11 }, + { SYS_DVBS2, PSK_8, FEC_AUTO, 0x00, 0x00 }, + /* + * 'val' can be found in the FECSTATUS register when tuning. + * FECSTATUS will give the actual FEC in use if tuning was successful. + */ +}; + + +static int cx24117_writereg(struct cx24117_state *state, u8 reg, u8 data) +{ + u8 buf[] = { reg, data }; + struct i2c_msg msg = { .addr = state->priv->demod_address, + .flags = 0, .buf = buf, .len = 2 }; + int ret; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d i2c wr @0x%02x=0x%02x\n", + __func__, state->demod, reg, data); + + ret = i2c_transfer(state->priv->i2c, &msg, 1); + if (ret < 0) { + dev_warn(&state->priv->i2c->dev, + "%s: demod%d i2c wr err(%i) @0x%02x=0x%02x\n", + KBUILD_MODNAME, state->demod, ret, reg, data); + return ret; + } + return 0; +} + +static int cx24117_writecmd(struct cx24117_state *state, + struct cx24117_cmd *cmd) +{ + struct i2c_msg msg; + u8 buf[CX24117_ARGLEN+1]; + int ret; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d i2c wr cmd len=%d\n", + __func__, state->demod, cmd->len); + + buf[0] = CX24117_REG_COMMAND; + memcpy(&buf[1], cmd->args, cmd->len); + + msg.addr = state->priv->demod_address; + msg.flags = 0; + msg.len = cmd->len+1; + msg.buf = buf; + ret = i2c_transfer(state->priv->i2c, &msg, 1); + if (ret < 0) { + dev_warn(&state->priv->i2c->dev, + "%s: demod%d i2c wr cmd err(%i) len=%d\n", + KBUILD_MODNAME, state->demod, ret, cmd->len); + return ret; + } + return 0; +} + +static int cx24117_readreg(struct cx24117_state *state, u8 reg) +{ + int ret; + u8 recv = 0; + struct i2c_msg msg[] = { + { .addr = state->priv->demod_address, .flags = 0, + .buf = ®, .len = 1 }, + { .addr = state->priv->demod_address, .flags = I2C_M_RD, + .buf = &recv, .len = 1 } + }; + + ret = i2c_transfer(state->priv->i2c, msg, 2); + if (ret < 0) { + dev_warn(&state->priv->i2c->dev, + "%s: demod%d i2c rd err(%d) @0x%x\n", + KBUILD_MODNAME, state->demod, ret, reg); + return ret; + } + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d i2c rd @0x%02x=0x%02x\n", + __func__, state->demod, reg, recv); + + return recv; +} + +static int cx24117_readregN(struct cx24117_state *state, + u8 reg, u8 *buf, int len) +{ + int ret; + struct i2c_msg msg[] = { + { .addr = state->priv->demod_address, .flags = 0, + .buf = ®, .len = 1 }, + { .addr = state->priv->demod_address, .flags = I2C_M_RD, + .buf = buf, .len = len } + }; + + ret = i2c_transfer(state->priv->i2c, msg, 2); + if (ret < 0) { + dev_warn(&state->priv->i2c->dev, + "%s: demod%d i2c rd err(%d) @0x%x\n", + KBUILD_MODNAME, state->demod, ret, reg); + return ret; + } + return 0; +} + +static int cx24117_set_inversion(struct cx24117_state *state, + fe_spectral_inversion_t inversion) +{ + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", + __func__, inversion, state->demod); + + switch (inversion) { + case INVERSION_OFF: + state->dnxt.inversion_val = 0x00; + break; + case INVERSION_ON: + state->dnxt.inversion_val = 0x04; + break; + case INVERSION_AUTO: + state->dnxt.inversion_val = 0x0C; + break; + default: + return -EINVAL; + } + + state->dnxt.inversion = inversion; + + return 0; +} + +static int cx24117_lookup_fecmod(struct cx24117_state *state, + fe_delivery_system_t d, fe_modulation_t m, fe_code_rate_t f) +{ + int i, ret = -EINVAL; + + dev_dbg(&state->priv->i2c->dev, + "%s(demod(0x%02x,0x%02x) demod%d\n", + __func__, m, f, state->demod); + + for (i = 0; i < ARRAY_SIZE(cx24117_modfec_modes); i++) { + if ((d == cx24117_modfec_modes[i].delivery_system) && + (m == cx24117_modfec_modes[i].modulation) && + (f == cx24117_modfec_modes[i].fec)) { + ret = i; + break; + } + } + + return ret; +} + +static int cx24117_set_fec(struct cx24117_state *state, + fe_delivery_system_t delsys, fe_modulation_t mod, fe_code_rate_t fec) +{ + int ret; + + dev_dbg(&state->priv->i2c->dev, + "%s(0x%02x,0x%02x) demod%d\n", + __func__, mod, fec, state->demod); + + ret = cx24117_lookup_fecmod(state, delsys, mod, fec); + if (ret < 0) + return ret; + + state->dnxt.fec = fec; + state->dnxt.fec_val = cx24117_modfec_modes[ret].val; + state->dnxt.fec_mask = cx24117_modfec_modes[ret].mask; + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d mask/val = 0x%02x/0x%02x\n", __func__, + state->demod, state->dnxt.fec_mask, state->dnxt.fec_val); + + return 0; +} + +static int cx24117_set_symbolrate(struct cx24117_state *state, u32 rate) +{ + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", + __func__, rate, state->demod); + + state->dnxt.symbol_rate = rate; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d symbol_rate = %d\n", + __func__, state->demod, rate); + + return 0; +} + +static int cx24117_load_firmware(struct dvb_frontend *fe, + const struct firmware *fw); + +static int cx24117_firmware_ondemand(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + const struct firmware *fw; + int ret = 0; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d skip_fw_load=%d\n", + __func__, state->demod, state->priv->skip_fw_load); + + if (state->priv->skip_fw_load) + return 0; + + /* check if firmware if already running */ + if (cx24117_readreg(state, 0xeb) != 0xa) { + /* Load firmware */ + /* request the firmware, this will block until loaded */ + dev_dbg(&state->priv->i2c->dev, + "%s: Waiting for firmware upload (%s)...\n", + __func__, CX24117_DEFAULT_FIRMWARE); + ret = request_firmware(&fw, CX24117_DEFAULT_FIRMWARE, + state->priv->i2c->dev.parent); + dev_dbg(&state->priv->i2c->dev, + "%s: Waiting for firmware upload(2)...\n", __func__); + if (ret) { + dev_err(&state->priv->i2c->dev, + "%s: No firmware uploaded " + "(timeout or file not found?)\n", __func__); + return ret; + } + + /* Make sure we don't recurse back through here + * during loading */ + state->priv->skip_fw_load = 1; + + ret = cx24117_load_firmware(fe, fw); + if (ret) + dev_err(&state->priv->i2c->dev, + "%s: Writing firmware failed\n", __func__); + release_firmware(fw); + + dev_info(&state->priv->i2c->dev, + "%s: Firmware upload %s\n", __func__, + ret == 0 ? "complete" : "failed"); + + /* Ensure firmware is always loaded if required */ + state->priv->skip_fw_load = 0; + } + + return ret; +} + +/* Take a basic firmware command structure, format it + * and forward it for processing + */ +static int cx24117_cmd_execute_nolock(struct dvb_frontend *fe, + struct cx24117_cmd *cmd) +{ + struct cx24117_state *state = fe->demodulator_priv; + int i, ret; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", + __func__, state->demod); + + /* Load the firmware if required */ + ret = cx24117_firmware_ondemand(fe); + if (ret != 0) + return ret; + + /* Write the command */ + cx24117_writecmd(state, cmd); + + /* Start execution and wait for cmd to terminate */ + cx24117_writereg(state, CX24117_REG_EXECUTE, 0x01); + i = 0; + while (cx24117_readreg(state, CX24117_REG_EXECUTE)) { + msleep(10); + if (i++ > 64) { + /* Avoid looping forever if the firmware does + not respond */ + dev_warn(&state->priv->i2c->dev, + "%s() Firmware not responding\n", __func__); + return -EIO; + } + } + return 0; +} + +static int cx24117_cmd_execute(struct dvb_frontend *fe, struct cx24117_cmd *cmd) +{ + struct cx24117_state *state = fe->demodulator_priv; + int ret; + + mutex_lock(&state->priv->fe_lock); + ret = cx24117_cmd_execute_nolock(fe, cmd); + mutex_unlock(&state->priv->fe_lock); + + return ret; +} + +static int cx24117_load_firmware(struct dvb_frontend *fe, + const struct firmware *fw) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + int i, ret; + unsigned char vers[4]; + + struct i2c_msg msg; + u8 *buf; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d FW is %zu bytes (%02x %02x .. %02x %02x)\n", + __func__, state->demod, fw->size, fw->data[0], fw->data[1], + fw->data[fw->size-2], fw->data[fw->size-1]); + + cx24117_writereg(state, 0xea, 0x00); + cx24117_writereg(state, 0xea, 0x01); + cx24117_writereg(state, 0xea, 0x00); + + cx24117_writereg(state, 0xce, 0x92); + + cx24117_writereg(state, 0xfb, 0x00); + cx24117_writereg(state, 0xfc, 0x00); + + cx24117_writereg(state, 0xc3, 0x04); + cx24117_writereg(state, 0xc4, 0x04); + + cx24117_writereg(state, 0xce, 0x00); + cx24117_writereg(state, 0xcf, 0x00); + + cx24117_writereg(state, 0xea, 0x00); + cx24117_writereg(state, 0xeb, 0x0c); + cx24117_writereg(state, 0xec, 0x06); + cx24117_writereg(state, 0xed, 0x05); + cx24117_writereg(state, 0xee, 0x03); + cx24117_writereg(state, 0xef, 0x05); + + cx24117_writereg(state, 0xf3, 0x03); + cx24117_writereg(state, 0xf4, 0x44); + + cx24117_writereg(state, CX24117_REG_RATEDIV0, 0x04); + cx24117_writereg(state, CX24117_REG_CLKDIV0, 0x02); + + cx24117_writereg(state, CX24117_REG_RATEDIV1, 0x04); + cx24117_writereg(state, CX24117_REG_CLKDIV1, 0x02); + + cx24117_writereg(state, 0xf2, 0x04); + cx24117_writereg(state, 0xe8, 0x02); + cx24117_writereg(state, 0xea, 0x01); + cx24117_writereg(state, 0xc8, 0x00); + cx24117_writereg(state, 0xc9, 0x00); + cx24117_writereg(state, 0xca, 0x00); + cx24117_writereg(state, 0xcb, 0x00); + cx24117_writereg(state, 0xcc, 0x00); + cx24117_writereg(state, 0xcd, 0x00); + cx24117_writereg(state, 0xe4, 0x03); + cx24117_writereg(state, 0xeb, 0x0a); + + cx24117_writereg(state, 0xfb, 0x00); + cx24117_writereg(state, 0xe0, 0x76); + cx24117_writereg(state, 0xf7, 0x81); + cx24117_writereg(state, 0xf8, 0x00); + cx24117_writereg(state, 0xf9, 0x00); + + buf = kmalloc(fw->size + 1, GFP_KERNEL); + if (buf == NULL) { + state->priv->skip_fw_load = 0; + return -ENOMEM; + } + + /* fw upload reg */ + buf[0] = 0xfa; + memcpy(&buf[1], fw->data, fw->size); + + /* prepare i2c message to send */ + msg.addr = state->priv->demod_address; + msg.flags = 0; + msg.len = fw->size + 1; + msg.buf = buf; + + /* send fw */ + ret = i2c_transfer(state->priv->i2c, &msg, 1); + if (ret < 0) + return ret; + + kfree(buf); + + cx24117_writereg(state, 0xf7, 0x0c); + cx24117_writereg(state, 0xe0, 0x00); + + /* CMD 1B */ + cmd.args[0] = 0x1b; + cmd.args[1] = 0x00; + cmd.args[2] = 0x01; + cmd.args[3] = 0x00; + cmd.len = 4; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + + /* CMD 10 */ + cmd.args[0] = CMD_SET_VCO; + cmd.args[1] = 0x06; + cmd.args[2] = 0x2b; + cmd.args[3] = 0xd8; + cmd.args[4] = 0xa5; + cmd.args[5] = 0xee; + cmd.args[6] = 0x03; + cmd.args[7] = 0x9d; + cmd.args[8] = 0xfc; + cmd.args[9] = 0x06; + cmd.args[10] = 0x02; + cmd.args[11] = 0x9d; + cmd.args[12] = 0xfc; + cmd.len = 13; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + + /* CMD 15 */ + cmd.args[0] = 0x15; + cmd.args[1] = 0x00; + cmd.args[2] = 0x01; + cmd.args[3] = 0x00; + cmd.args[4] = 0x00; + cmd.args[5] = 0x01; + cmd.args[6] = 0x01; + cmd.args[7] = 0x01; + cmd.args[8] = 0x00; + cmd.args[9] = 0x05; + cmd.args[10] = 0x02; + cmd.args[11] = 0x02; + cmd.args[12] = 0x00; + cmd.len = 13; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + + /* CMD 13 */ + cmd.args[0] = CMD_MPEGCONFIG; + cmd.args[1] = 0x00; + cmd.args[2] = 0x00; + cmd.args[3] = 0x00; + cmd.args[4] = 0x01; + cmd.args[5] = 0x00; + cmd.len = 6; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + + /* CMD 14 */ + for (i = 0; i < 2; i++) { + cmd.args[0] = CMD_TUNERINIT; + cmd.args[1] = (u8) i; + cmd.args[2] = 0x00; + cmd.args[3] = 0x05; + cmd.args[4] = 0x00; + cmd.args[5] = 0x00; + cmd.args[6] = 0x55; + cmd.args[7] = 0x00; + cmd.len = 8; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + } + + cx24117_writereg(state, 0xce, 0xc0); + cx24117_writereg(state, 0xcf, 0x00); + cx24117_writereg(state, 0xe5, 0x04); + + /* Firmware CMD 35: Get firmware version */ + cmd.args[0] = CMD_UPDFWVERS; + cmd.len = 2; + for (i = 0; i < 4; i++) { + cmd.args[1] = i; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + goto error; + vers[i] = cx24117_readreg(state, 0x33); + } + dev_info(&state->priv->i2c->dev, + "%s: FW version %i.%i.%i.%i\n", __func__, + vers[0], vers[1], vers[2], vers[3]); + return 0; +error: + state->priv->skip_fw_load = 0; + dev_err(&state->priv->i2c->dev, "%s() Error running FW.\n", __func__); + return ret; +} + +static int cx24117_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct cx24117_state *state = fe->demodulator_priv; + int lock; + + lock = cx24117_readreg(state, + (state->demod == 0) ? CX24117_REG_SSTATUS0 : + CX24117_REG_SSTATUS1) & + CX24117_STATUS_MASK; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d status = 0x%02x\n", + __func__, state->demod, lock); + + *status = 0; + + if (lock & CX24117_HAS_SIGNAL) + *status |= FE_HAS_SIGNAL; + if (lock & CX24117_HAS_CARRIER) + *status |= FE_HAS_CARRIER; + if (lock & CX24117_HAS_VITERBI) + *status |= FE_HAS_VITERBI; + if (lock & CX24117_HAS_SYNCLOCK) + *status |= FE_HAS_SYNC | FE_HAS_LOCK; + + return 0; +} + +static int cx24117_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct cx24117_state *state = fe->demodulator_priv; + int ret; + u8 buf[4]; + u8 base_reg = (state->demod == 0) ? + CX24117_REG_BER4_0 : + CX24117_REG_BER4_1; + + ret = cx24117_readregN(state, base_reg, buf, 4); + if (ret != 0) + return ret; + + *ber = (buf[0] << 24) | (buf[1] << 16) | + (buf[1] << 8) | buf[0]; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d ber=0x%04x\n", + __func__, state->demod, *ber); + + return 0; +} + +static int cx24117_read_signal_strength(struct dvb_frontend *fe, + u16 *signal_strength) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + int ret; + u16 sig_reading; + u8 buf[2]; + u8 reg = (state->demod == 0) ? + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1; + + /* Firmware CMD 1A */ + cmd.args[0] = 0x1a; + cmd.args[1] = (u8) state->demod; + cmd.len = 2; + ret = cx24117_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + ret = cx24117_readregN(state, reg, buf, 2); + if (ret != 0) + return ret; + sig_reading = ((buf[0] & CX24117_SIGNAL_MASK) << 2) | buf[1]; + + *signal_strength = -100 * sig_reading + 94324; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d raw / cooked = 0x%04x / 0x%04x\n", + __func__, state->demod, sig_reading, *signal_strength); + + return 0; +} + +static int cx24117_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct cx24117_state *state = fe->demodulator_priv; + int ret; + u8 buf[2]; + u8 reg = (state->demod == 0) ? + CX24117_REG_QUALITY2_0 : CX24117_REG_QUALITY2_1; + + ret = cx24117_readregN(state, reg, buf, 2); + if (ret != 0) + return ret; + + *snr = (buf[0] << 8) | buf[1]; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d snr = 0x%04x\n", + __func__, state->demod, *snr); + + return ret; +} + +static int cx24117_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) +{ + struct cx24117_state *state = fe->demodulator_priv; + fe_delivery_system_t delsys = fe->dtv_property_cache.delivery_system; + int ret; + u8 buf[2]; + u8 reg = (state->demod == 0) ? + CX24117_REG_DVBS_UCB2_0 : + CX24117_REG_DVBS_UCB2_1; + + switch (delsys) { + case SYS_DVBS: + break; + case SYS_DVBS2: + reg += (CX24117_REG_DVBS2_UCB2_0 - CX24117_REG_DVBS_UCB2_0); + break; + default: + return -EINVAL; + } + + ret = cx24117_readregN(state, reg, buf, 2); + if (ret != 0) + return ret; + *ucblocks = (buf[0] << 8) | buf[1]; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d ucb=0x%04x\n", + __func__, state->demod, *ucblocks); + + return 0; +} + +/* Overwrite the current tuning params, we are about to tune */ +static void cx24117_clone_params(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + state->dcur = state->dnxt; +} + +/* Wait for LNB */ +static int cx24117_wait_for_lnb(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + int i; + u8 val, reg = (state->demod == 0) ? CX24117_REG_QSTATUS0 : + CX24117_REG_QSTATUS1; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d qstatus = 0x%02x\n", + __func__, state->demod, cx24117_readreg(state, reg)); + + /* Wait for up to 300 ms */ + for (i = 0; i < 10; i++) { + val = cx24117_readreg(state, reg) & 0x01; + if (val != 0) + return 0; + msleep(30); + } + + dev_warn(&state->priv->i2c->dev, "%s: demod%d LNB not ready\n", + KBUILD_MODNAME, state->demod); + + return -ETIMEDOUT; /* -EBUSY ? */ +} + +static int cx24117_set_voltage(struct dvb_frontend *fe, + fe_sec_voltage_t voltage) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + int ret; + u8 reg = (state->demod == 0) ? 0x10 : 0x20; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d %s\n", + __func__, state->demod, + voltage == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" : + voltage == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : + "SEC_VOLTAGE_OFF"); + + /* CMD 32 */ + cmd.args[0] = 0x32; + cmd.args[1] = reg; + cmd.args[2] = reg; + cmd.len = 3; + ret = cx24117_cmd_execute(fe, &cmd); + if (ret) + return ret; + + if ((voltage == SEC_VOLTAGE_13) || + (voltage == SEC_VOLTAGE_18)) { + /* CMD 33 */ + cmd.args[0] = 0x33; + cmd.args[1] = reg; + cmd.args[2] = reg; + cmd.len = 3; + ret = cx24117_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + ret = cx24117_wait_for_lnb(fe); + if (ret != 0) + return ret; + + /* Wait for voltage/min repeat delay */ + msleep(100); + + /* CMD 22 - CMD_LNBDCLEVEL */ + cmd.args[0] = CMD_LNBDCLEVEL; + cmd.args[1] = state->demod ? 0 : 1; + cmd.args[2] = (voltage == SEC_VOLTAGE_18 ? 0x01 : 0x00); + cmd.len = 3; + + /* Min delay time before DiSEqC send */ + msleep(15); + } else { + cmd.args[0] = 0x33; + cmd.args[1] = 0x00; + cmd.args[2] = reg; + cmd.len = 3; + } + + return cx24117_cmd_execute(fe, &cmd); +} + +static int cx24117_set_tone(struct dvb_frontend *fe, + fe_sec_tone_mode_t tone) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + int ret; + + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod%d\n", + __func__, state->demod, tone); + if ((tone != SEC_TONE_ON) && (tone != SEC_TONE_OFF)) { + dev_warn(&state->priv->i2c->dev, "%s: demod%d invalid tone=%d\n", + KBUILD_MODNAME, state->demod, tone); + return -EINVAL; + } + + /* Wait for LNB ready */ + ret = cx24117_wait_for_lnb(fe); + if (ret != 0) + return ret; + + /* Min delay time after DiSEqC send */ + msleep(15); + + /* Set the tone */ + /* CMD 23 - CMD_SET_TONE */ + cmd.args[0] = CMD_SET_TONE; + cmd.args[1] = (state->demod ? 0 : 1); + cmd.args[2] = 0x00; + cmd.args[3] = 0x00; + cmd.len = 5; + switch (tone) { + case SEC_TONE_ON: + cmd.args[4] = 0x01; + break; + case SEC_TONE_OFF: + cmd.args[4] = 0x00; + break; + } + + msleep(15); + + return cx24117_cmd_execute(fe, &cmd); +} + +/* Initialise DiSEqC */ +static int cx24117_diseqc_init(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + + /* Prepare a DiSEqC command */ + state->dsec_cmd.args[0] = CMD_LNBSEND; + + /* demod */ + state->dsec_cmd.args[CX24117_DISEQC_DEMOD] = state->demod ? 0 : 1; + + /* DiSEqC burst */ + state->dsec_cmd.args[CX24117_DISEQC_BURST] = CX24117_DISEQC_MINI_A; + + /* Unknown */ + state->dsec_cmd.args[CX24117_DISEQC_ARG3_2] = 0x02; + state->dsec_cmd.args[CX24117_DISEQC_ARG4_0] = 0x00; + + /* Continuation flag? */ + state->dsec_cmd.args[CX24117_DISEQC_ARG5_0] = 0x00; + + /* DiSEqC message length */ + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = 0x00; + + /* Command length */ + state->dsec_cmd.len = 7; + + return 0; +} + +/* Send DiSEqC message */ +static int cx24117_send_diseqc_msg(struct dvb_frontend *fe, + struct dvb_diseqc_master_cmd *d) +{ + struct cx24117_state *state = fe->demodulator_priv; + int i, ret; + + /* Dump DiSEqC message */ + dev_dbg(&state->priv->i2c->dev, "%s: demod %d (", + __func__, state->demod); + for (i = 0; i < d->msg_len; i++) + dev_dbg(&state->priv->i2c->dev, "0x%02x ", d->msg[i]); + dev_dbg(&state->priv->i2c->dev, ")\n"); + + /* Validate length */ + if (d->msg_len > 15) + return -EINVAL; + + /* DiSEqC message */ + for (i = 0; i < d->msg_len; i++) + state->dsec_cmd.args[CX24117_DISEQC_MSGOFS + i] = d->msg[i]; + + /* DiSEqC message length */ + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] = d->msg_len; + + /* Command length */ + state->dsec_cmd.len = CX24117_DISEQC_MSGOFS + + state->dsec_cmd.args[CX24117_DISEQC_MSGLEN]; + + /* + * Message is sent with derived else cached burst + * + * WRITE PORT GROUP COMMAND 38 + * + * 0/A/A: E0 10 38 F0..F3 + * 1/B/B: E0 10 38 F4..F7 + * 2/C/A: E0 10 38 F8..FB + * 3/D/B: E0 10 38 FC..FF + * + * databyte[3]= 8421:8421 + * ABCD:WXYZ + * CLR :SET + * + * WX= PORT SELECT 0..3 (X=TONEBURST) + * Y = VOLTAGE (0=13V, 1=18V) + * Z = BAND (0=LOW, 1=HIGH(22K)) + */ + if (d->msg_len >= 4 && d->msg[2] == 0x38) + state->dsec_cmd.args[CX24117_DISEQC_BURST] = + ((d->msg[3] & 4) >> 2); + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d burst=%d\n", + __func__, state->demod, + state->dsec_cmd.args[CX24117_DISEQC_BURST]); + + /* Wait for LNB ready */ + ret = cx24117_wait_for_lnb(fe); + if (ret != 0) + return ret; + + /* Wait for voltage/min repeat delay */ + msleep(100); + + /* Command */ + ret = cx24117_cmd_execute(fe, &state->dsec_cmd); + if (ret != 0) + return ret; + /* + * Wait for send + * + * Eutelsat spec: + * >15ms delay + (XXX determine if FW does this, see set_tone) + * 13.5ms per byte + + * >15ms delay + + * 12.5ms burst + + * >15ms delay (XXX determine if FW does this, see set_tone) + */ + msleep((state->dsec_cmd.args[CX24117_DISEQC_MSGLEN] << 4) + 60); + + return 0; +} + +/* Send DiSEqC burst */ +static int cx24117_diseqc_send_burst(struct dvb_frontend *fe, + fe_sec_mini_cmd_t burst) +{ + struct cx24117_state *state = fe->demodulator_priv; + + dev_dbg(&state->priv->i2c->dev, "%s(%d) demod=%d\n", + __func__, burst, state->demod); + + /* DiSEqC burst */ + if (burst == SEC_MINI_A) + state->dsec_cmd.args[CX24117_DISEQC_BURST] = + CX24117_DISEQC_MINI_A; + else if (burst == SEC_MINI_B) + state->dsec_cmd.args[CX24117_DISEQC_BURST] = + CX24117_DISEQC_MINI_B; + else + return -EINVAL; + + return 0; +} + +static void cx24117_release(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + dev_dbg(&state->priv->i2c->dev, "%s demod%d\n", + __func__, state->demod); + if (!atomic_dec_and_test(&state->priv->fe_nr)) + kfree(state->priv); + kfree(state); +} + +static struct dvb_frontend_ops cx24117_ops; + +struct dvb_frontend *cx24117_attach(const struct cx24117_config *config, + struct i2c_adapter *i2c, struct dvb_frontend *fe) +{ + struct cx24117_state *state = NULL; + struct cx24117_priv *priv = NULL; + int demod = 0; + + /* first frontend attaching */ + /* allocate shared priv struct */ + if (fe == NULL) { + priv = kzalloc(sizeof(struct cx24117_priv), GFP_KERNEL); + if (priv == NULL) + goto error1; + priv->i2c = i2c; + priv->demod_address = config->demod_address; + mutex_init(&priv->fe_lock); + } else { + demod = 1; + priv = ((struct cx24117_state *) fe->demodulator_priv)->priv; + } + + /* allocate memory for the internal state */ + state = kzalloc(sizeof(struct cx24117_state), GFP_KERNEL); + if (state == NULL) + goto error2; + + state->demod = demod; + state->priv = priv; + + /* test i2c bus for ack */ + if (demod == 0) { + if (cx24117_readreg(state, 0x00) < 0) + goto error3; + } + + /* nr of frontends using the module */ + atomic_inc(&priv->fe_nr); + + dev_info(&state->priv->i2c->dev, + "%s: Attaching frontend %d\n", + KBUILD_MODNAME, demod); + + /* create dvb_frontend */ + memcpy(&state->frontend.ops, &cx24117_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + return &state->frontend; + +error3: + kfree(state); +error2: + kfree(priv); +error1: + return NULL; +} +EXPORT_SYMBOL_GPL(cx24117_attach); + +/* + * Initialise or wake up device + * + * Power config will reset and load initial firmware if required + */ +static int cx24117_initfe(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + int ret; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", + __func__, state->demod); + + mutex_lock(&state->priv->fe_lock); + + /* Firmware CMD 36: Power config */ + cmd.args[0] = CMD_TUNERSLEEP; + cmd.args[1] = (state->demod ? 1 : 0); + cmd.args[2] = 0; + cmd.len = 3; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + return ret; + + ret = cx24117_diseqc_init(fe); + if (ret != 0) + return ret; + + /* CMD 3C */ + cmd.args[0] = 0x3c; + cmd.args[1] = (state->demod ? 1 : 0); + cmd.args[2] = 0x10; + cmd.args[3] = 0x10; + cmd.len = 4; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + return ret; + + /* CMD 34 */ + cmd.args[0] = 0x34; + cmd.args[1] = (state->demod ? 1 : 0); + cmd.args[2] = CX24117_OCC; + cmd.len = 3; + ret = cx24117_cmd_execute_nolock(fe, &cmd); + if (ret != 0) + return ret; + + mutex_unlock(&state->priv->fe_lock); + + return ret; +} + +/* + * Put device to sleep + */ +static int cx24117_sleep(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct cx24117_cmd cmd; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", + __func__, state->demod); + + /* Firmware CMD 36: Power config */ + cmd.args[0] = CMD_TUNERSLEEP; + cmd.args[1] = (state->demod ? 1 : 0); + cmd.args[2] = 1; + cmd.len = 3; + return cx24117_cmd_execute(fe, &cmd); +} + +/* dvb-core told us to tune, the tv property cache will be complete, + * it's safe for is to pull values and use them for tuning purposes. + */ +static int cx24117_set_frontend(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct cx24117_cmd cmd; + fe_status_t tunerstat; + int i, status, ret, retune = 1; + u8 reg_clkdiv, reg_ratediv; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", + __func__, state->demod); + + switch (c->delivery_system) { + case SYS_DVBS: + dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S\n", + __func__, state->demod); + + /* Only QPSK is supported for DVB-S */ + if (c->modulation != QPSK) { + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d unsupported modulation (%d)\n", + __func__, state->demod, c->modulation); + return -EINVAL; + } + + /* Pilot doesn't exist in DVB-S, turn bit off */ + state->dnxt.pilot_val = CX24117_PILOT_OFF; + + /* DVB-S only supports 0.35 */ + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; + break; + + case SYS_DVBS2: + dev_dbg(&state->priv->i2c->dev, "%s() demod%d DVB-S2\n", + __func__, state->demod); + + /* + * NBC 8PSK/QPSK with DVB-S is supported for DVB-S2, + * but not hardware auto detection + */ + if (c->modulation != PSK_8 && c->modulation != QPSK) { + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d unsupported modulation (%d)\n", + __func__, state->demod, c->modulation); + return -EOPNOTSUPP; + } + + switch (c->pilot) { + case PILOT_AUTO: + state->dnxt.pilot_val = CX24117_PILOT_AUTO; + break; + case PILOT_OFF: + state->dnxt.pilot_val = CX24117_PILOT_OFF; + break; + case PILOT_ON: + state->dnxt.pilot_val = CX24117_PILOT_ON; + break; + default: + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d unsupported pilot mode (%d)\n", + __func__, state->demod, c->pilot); + return -EOPNOTSUPP; + } + + switch (c->rolloff) { + case ROLLOFF_20: + state->dnxt.rolloff_val = CX24117_ROLLOFF_020; + break; + case ROLLOFF_25: + state->dnxt.rolloff_val = CX24117_ROLLOFF_025; + break; + case ROLLOFF_35: + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; + break; + case ROLLOFF_AUTO: + state->dnxt.rolloff_val = CX24117_ROLLOFF_035; + /* soft-auto rolloff */ + retune = 3; + break; + default: + dev_warn(&state->priv->i2c->dev, + "%s: demod%d unsupported rolloff (%d)\n", + KBUILD_MODNAME, state->demod, c->rolloff); + return -EOPNOTSUPP; + } + break; + + default: + dev_warn(&state->priv->i2c->dev, + "%s: demod %d unsupported delivery system (%d)\n", + KBUILD_MODNAME, state->demod, c->delivery_system); + return -EINVAL; + } + + state->dnxt.delsys = c->delivery_system; + state->dnxt.modulation = c->modulation; + state->dnxt.frequency = c->frequency; + state->dnxt.pilot = c->pilot; + state->dnxt.rolloff = c->rolloff; + + ret = cx24117_set_inversion(state, c->inversion); + if (ret != 0) + return ret; + + ret = cx24117_set_fec(state, + c->delivery_system, c->modulation, c->fec_inner); + if (ret != 0) + return ret; + + ret = cx24117_set_symbolrate(state, c->symbol_rate); + if (ret != 0) + return ret; + + /* discard the 'current' tuning parameters and prepare to tune */ + cx24117_clone_params(fe); + + dev_dbg(&state->priv->i2c->dev, + "%s: delsys = %d\n", __func__, state->dcur.delsys); + dev_dbg(&state->priv->i2c->dev, + "%s: modulation = %d\n", __func__, state->dcur.modulation); + dev_dbg(&state->priv->i2c->dev, + "%s: frequency = %d\n", __func__, state->dcur.frequency); + dev_dbg(&state->priv->i2c->dev, + "%s: pilot = %d (val = 0x%02x)\n", __func__, + state->dcur.pilot, state->dcur.pilot_val); + dev_dbg(&state->priv->i2c->dev, + "%s: retune = %d\n", __func__, retune); + dev_dbg(&state->priv->i2c->dev, + "%s: rolloff = %d (val = 0x%02x)\n", __func__, + state->dcur.rolloff, state->dcur.rolloff_val); + dev_dbg(&state->priv->i2c->dev, + "%s: symbol_rate = %d\n", __func__, state->dcur.symbol_rate); + dev_dbg(&state->priv->i2c->dev, + "%s: FEC = %d (mask/val = 0x%02x/0x%02x)\n", __func__, + state->dcur.fec, state->dcur.fec_mask, state->dcur.fec_val); + dev_dbg(&state->priv->i2c->dev, + "%s: Inversion = %d (val = 0x%02x)\n", __func__, + state->dcur.inversion, state->dcur.inversion_val); + + /* Prepare a tune request */ + cmd.args[0] = CMD_TUNEREQUEST; + + /* demod */ + cmd.args[1] = state->demod; + + /* Frequency */ + cmd.args[2] = (state->dcur.frequency & 0xff0000) >> 16; + cmd.args[3] = (state->dcur.frequency & 0x00ff00) >> 8; + cmd.args[4] = (state->dcur.frequency & 0x0000ff); + + /* Symbol Rate */ + cmd.args[5] = ((state->dcur.symbol_rate / 1000) & 0xff00) >> 8; + cmd.args[6] = ((state->dcur.symbol_rate / 1000) & 0x00ff); + + /* Automatic Inversion */ + cmd.args[7] = state->dcur.inversion_val; + + /* Modulation / FEC / Pilot */ + cmd.args[8] = state->dcur.fec_val | state->dcur.pilot_val; + + cmd.args[9] = CX24117_SEARCH_RANGE_KHZ >> 8; + cmd.args[10] = CX24117_SEARCH_RANGE_KHZ & 0xff; + + cmd.args[11] = state->dcur.rolloff_val; + cmd.args[12] = state->dcur.fec_mask; + + if (state->dcur.symbol_rate > 30000000) { + reg_ratediv = 0x04; + reg_clkdiv = 0x02; + } else if (state->dcur.symbol_rate > 10000000) { + reg_ratediv = 0x06; + reg_clkdiv = 0x03; + } else { + reg_ratediv = 0x0a; + reg_clkdiv = 0x05; + } + + cmd.args[13] = reg_ratediv; + cmd.args[14] = reg_clkdiv; + + cx24117_writereg(state, (state->demod == 0) ? + CX24117_REG_CLKDIV0 : CX24117_REG_CLKDIV1, reg_clkdiv); + cx24117_writereg(state, (state->demod == 0) ? + CX24117_REG_RATEDIV0 : CX24117_REG_RATEDIV1, reg_ratediv); + + cmd.args[15] = CX24117_PNE; + cmd.len = 16; + + do { + /* Reset status register */ + status = cx24117_readreg(state, (state->demod == 0) ? + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1) & + CX24117_SIGNAL_MASK; + + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d status_setfe = %02x\n", + __func__, state->demod, status); + + cx24117_writereg(state, (state->demod == 0) ? + CX24117_REG_SSTATUS0 : CX24117_REG_SSTATUS1, status); + + /* Tune */ + ret = cx24117_cmd_execute(fe, &cmd); + if (ret != 0) + break; + + /* + * Wait for up to 500 ms before retrying + * + * If we are able to tune then generally it occurs within 100ms. + * If it takes longer, try a different rolloff setting. + */ + for (i = 0; i < 50; i++) { + cx24117_read_status(fe, &tunerstat); + status = tunerstat & (FE_HAS_SIGNAL | FE_HAS_SYNC); + if (status == (FE_HAS_SIGNAL | FE_HAS_SYNC)) { + dev_dbg(&state->priv->i2c->dev, + "%s() demod%d tuned\n", + __func__, state->demod); + return 0; + } + msleep(10); + } + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d not tuned\n", + __func__, state->demod); + + /* try next rolloff value */ + if (state->dcur.rolloff == 3) + cmd.args[11]--; + + } while (--retune); + return -EINVAL; +} + +static int cx24117_tune(struct dvb_frontend *fe, bool re_tune, + unsigned int mode_flags, unsigned int *delay, fe_status_t *status) +{ + struct cx24117_state *state = fe->demodulator_priv; + + dev_dbg(&state->priv->i2c->dev, "%s() demod%d\n", + __func__, state->demod); + + *delay = HZ / 5; + if (re_tune) { + int ret = cx24117_set_frontend(fe); + if (ret) + return ret; + } + return cx24117_read_status(fe, status); +} + +static int cx24117_get_algo(struct dvb_frontend *fe) +{ + return DVBFE_ALGO_HW; +} + +static int cx24117_get_frontend(struct dvb_frontend *fe) +{ + struct cx24117_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + struct cx24117_cmd cmd; + u8 reg, st, inv; + int ret, idx; + unsigned int freq; + short srate_os, freq_os; + + u8 buf[0x1f-4]; + + cmd.args[0] = 0x1c; + cmd.args[1] = (u8) state->demod; + cmd.len = 2; + ret = cx24117_cmd_execute(fe, &cmd); + if (ret != 0) + return ret; + + /* read all required regs at once */ + reg = (state->demod == 0) ? CX24117_REG_FREQ3_0 : CX24117_REG_FREQ3_1; + ret = cx24117_readregN(state, reg, buf, 0x1f-4); + if (ret != 0) + return ret; + + st = buf[5]; + + /* get spectral inversion */ + inv = (((state->demod == 0) ? ~st : st) >> 6) & 1; + if (inv == 0) + c->inversion = INVERSION_OFF; + else + c->inversion = INVERSION_ON; + + /* modulation and fec */ + idx = st & 0x3f; + if (c->delivery_system == SYS_DVBS2) { + if (idx > 11) + idx += 9; + else + idx += 7; + } + + c->modulation = cx24117_modfec_modes[idx].modulation; + c->fec_inner = cx24117_modfec_modes[idx].fec; + + /* frequency */ + freq = (buf[0] << 16) | (buf[1] << 8) | buf[2]; + freq_os = (buf[8] << 8) | buf[9]; + c->frequency = freq + freq_os; + + /* symbol rate */ + srate_os = (buf[10] << 8) | buf[11]; + c->symbol_rate = -1000 * srate_os + state->dcur.symbol_rate; + return 0; +} + +static struct dvb_frontend_ops cx24117_ops = { + .delsys = { SYS_DVBS, SYS_DVBS2 }, + .info = { + .name = "Conexant CX24117/CX24132", + .frequency_min = 950000, + .frequency_max = 2150000, + .frequency_stepsize = 1011, /* kHz for QPSK frontends */ + .frequency_tolerance = 5000, + .symbol_rate_min = 1000000, + .symbol_rate_max = 45000000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_4_5 | FE_CAN_FEC_5_6 | FE_CAN_FEC_6_7 | + FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_2G_MODULATION | + FE_CAN_QPSK | FE_CAN_RECOVER + }, + + .release = cx24117_release, + + .init = cx24117_initfe, + .sleep = cx24117_sleep, + .read_status = cx24117_read_status, + .read_ber = cx24117_read_ber, + .read_signal_strength = cx24117_read_signal_strength, + .read_snr = cx24117_read_snr, + .read_ucblocks = cx24117_read_ucblocks, + .set_tone = cx24117_set_tone, + .set_voltage = cx24117_set_voltage, + .diseqc_send_master_cmd = cx24117_send_diseqc_msg, + .diseqc_send_burst = cx24117_diseqc_send_burst, + .get_frontend_algo = cx24117_get_algo, + .tune = cx24117_tune, + + .set_frontend = cx24117_set_frontend, + .get_frontend = cx24117_get_frontend, +}; + + +MODULE_DESCRIPTION("DVB Frontend module for Conexant cx24117/cx24132 hardware"); +MODULE_AUTHOR("Luis Alves (ljalvs@gmail.com)"); +MODULE_LICENSE("GPL"); +MODULE_VERSION("1.1"); +MODULE_FIRMWARE(CX24117_DEFAULT_FIRMWARE); + diff --git a/drivers/media/dvb-frontends/cx24117.h b/drivers/media/dvb-frontends/cx24117.h new file mode 100644 index 0000000..5bc8f11 --- /dev/null +++ b/drivers/media/dvb-frontends/cx24117.h @@ -0,0 +1,47 @@ +/* + Conexant cx24117/cx24132 - Dual DVBS/S2 Satellite demod/tuner driver + + Copyright (C) 2013 Luis Alves <ljalvs@gmail.com> + (based on cx24116.h by Steven Toth) + + 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. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef CX24117_H +#define CX24117_H + +#include <linux/kconfig.h> +#include <linux/dvb/frontend.h> + +struct cx24117_config { + /* the demodulator's i2c address */ + u8 demod_address; +}; + +#if IS_ENABLED(CONFIG_DVB_CX24117) +extern struct dvb_frontend *cx24117_attach( + const struct cx24117_config *config, + struct i2c_adapter *i2c, struct dvb_frontend *fe); +#else +static inline struct dvb_frontend *cx24117_attach( + const struct cx24117_config *config, + struct i2c_adapter *i2c, struct dvb_frontend *fe) +{ + dev_warn(&i2c->dev, "%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif /* CX24117_H */
v3: Fixed issues reported by checkpatch script (thanks Antti). Changed/fixed some stuff as sugested by Mauro Chehab. Splited cx23885 changes to a separated patch. Signed-off-by: Luis Alves <ljalvs@gmail.com> --- drivers/media/dvb-frontends/Kconfig | 7 + drivers/media/dvb-frontends/Makefile | 1 + drivers/media/dvb-frontends/cx24117.c | 1621 +++++++++++++++++++++++++++++++++ drivers/media/dvb-frontends/cx24117.h | 47 + 4 files changed, 1676 insertions(+) create mode 100644 drivers/media/dvb-frontends/cx24117.c create mode 100644 drivers/media/dvb-frontends/cx24117.h