diff options
Diffstat (limited to 'drivers/media/dvb-frontends')
25 files changed, 726 insertions, 411 deletions
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig index 0712069fd9fe..55e36a4f5215 100644 --- a/drivers/media/dvb-frontends/Kconfig +++ b/drivers/media/dvb-frontends/Kconfig @@ -903,7 +903,7 @@ comment "Common Interface (EN50221) controller drivers" depends on DVB_CORE config DVB_CXD2099 - tristate "CXD2099AR Common Interface driver" + tristate "Sony CXD2099AR Common Interface driver" depends on DVB_CORE && I2C select REGMAP_I2C default m if !MEDIA_SUBDRV_AUTOSELECT diff --git a/drivers/media/dvb-frontends/as102_fe.h b/drivers/media/dvb-frontends/as102_fe.h index a7c91430ca3d..98d33d5ce872 100644 --- a/drivers/media/dvb-frontends/as102_fe.h +++ b/drivers/media/dvb-frontends/as102_fe.h @@ -1,6 +1,6 @@ /* * Abilis Systems Single DVB-T Receiver - * Copyright (C) 2014 Mauro Carvalho Chehab <m.chehab@samsung.com> + * Copyright (C) 2014 Mauro Carvalho Chehab <mchehab+samsung@kernel.org> * * 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 diff --git a/drivers/media/dvb-frontends/au8522_decoder.c b/drivers/media/dvb-frontends/au8522_decoder.c index 343dc92ef54e..f285096a48f0 100644 --- a/drivers/media/dvb-frontends/au8522_decoder.c +++ b/drivers/media/dvb-frontends/au8522_decoder.c @@ -280,14 +280,12 @@ static void setup_decoder_defaults(struct au8522_state *state, bool is_svideo) AU8522_TOREGAAGC_REG0E5H_CVBS); au8522_writereg(state, AU8522_REG016H, AU8522_REG016H_CVBS); - if (is_svideo) { - /* Despite what the table says, for the HVR-950q we still need - to be in CVBS mode for the S-Video input (reason unknown). */ - /* filter_coef_type = 3; */ - filter_coef_type = 5; - } else { - filter_coef_type = 5; - } + /* + * Despite what the table says, for the HVR-950q we still need + * to be in CVBS mode for the S-Video input (reason unknown). + */ + /* filter_coef_type = 3; */ + filter_coef_type = 5; /* Load the Video Decoder Filter Coefficients */ for (i = 0; i < NUM_FILTER_COEF; i++) { diff --git a/drivers/media/dvb-frontends/cx24116.c b/drivers/media/dvb-frontends/cx24116.c index 786c56a4ef76..2dbc7349d870 100644 --- a/drivers/media/dvb-frontends/cx24116.c +++ b/drivers/media/dvb-frontends/cx24116.c @@ -1456,7 +1456,7 @@ static int cx24116_tune(struct dvb_frontend *fe, bool re_tune, return cx24116_read_status(fe, status); } -static int cx24116_get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo cx24116_get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/cx24117.c b/drivers/media/dvb-frontends/cx24117.c index 8935114b75f3..ba55d75d916c 100644 --- a/drivers/media/dvb-frontends/cx24117.c +++ b/drivers/media/dvb-frontends/cx24117.c @@ -1555,7 +1555,7 @@ static int cx24117_tune(struct dvb_frontend *fe, bool re_tune, return cx24117_read_status(fe, status); } -static int cx24117_get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo cx24117_get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/cx24120.c b/drivers/media/dvb-frontends/cx24120.c index 810f68acd69b..ccbabdae6a69 100644 --- a/drivers/media/dvb-frontends/cx24120.c +++ b/drivers/media/dvb-frontends/cx24120.c @@ -1491,7 +1491,7 @@ static int cx24120_tune(struct dvb_frontend *fe, bool re_tune, return cx24120_read_status(fe, status); } -static int cx24120_get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo cx24120_get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/cx24123.c b/drivers/media/dvb-frontends/cx24123.c index 228ba1f4bf63..bf33e7390aaf 100644 --- a/drivers/media/dvb-frontends/cx24123.c +++ b/drivers/media/dvb-frontends/cx24123.c @@ -1005,7 +1005,7 @@ static int cx24123_tune(struct dvb_frontend *fe, return retval; } -static int cx24123_get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo cx24123_get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/cxd2099.c b/drivers/media/dvb-frontends/cxd2099.c index c0a5849b76bb..4a0ce3037fd6 100644 --- a/drivers/media/dvb-frontends/cxd2099.c +++ b/drivers/media/dvb-frontends/cxd2099.c @@ -1,5 +1,5 @@ /* - * cxd2099.c: Driver for the CXD2099AR Common Interface Controller + * cxd2099.c: Driver for the Sony CXD2099AR Common Interface Controller * * Copyright (C) 2010-2013 Digital Devices GmbH * @@ -699,6 +699,6 @@ static struct i2c_driver cxd2099_driver = { module_i2c_driver(cxd2099_driver); -MODULE_DESCRIPTION("CXD2099AR Common Interface controller driver"); +MODULE_DESCRIPTION("Sony CXD2099AR Common Interface controller driver"); MODULE_AUTHOR("Ralph Metzler"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb-frontends/cxd2099.h b/drivers/media/dvb-frontends/cxd2099.h index 8fa45a4c615a..ec1910dec3f3 100644 --- a/drivers/media/dvb-frontends/cxd2099.h +++ b/drivers/media/dvb-frontends/cxd2099.h @@ -1,5 +1,5 @@ /* - * cxd2099.h: Driver for the CXD2099AR Common Interface Controller + * cxd2099.h: Driver for the Sony CXD2099AR Common Interface Controller * * Copyright (C) 2010-2011 Digital Devices GmbH * diff --git a/drivers/media/dvb-frontends/cxd2820r_core.c b/drivers/media/dvb-frontends/cxd2820r_core.c index f6ebbb47b9b2..3e0d8cbd76da 100644 --- a/drivers/media/dvb-frontends/cxd2820r_core.c +++ b/drivers/media/dvb-frontends/cxd2820r_core.c @@ -403,7 +403,7 @@ error: return DVBFE_ALGO_SEARCH_ERROR; } -static int cxd2820r_get_frontend_algo(struct dvb_frontend *fe) +static enum dvbfe_algo cxd2820r_get_frontend_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_CUSTOM; } diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_driver_version.h b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_driver_version.h index fab55038b37b..c6d6c8dd16a1 100644 --- a/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_driver_version.h +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_tnrdmd_driver_version.h @@ -7,6 +7,6 @@ * Copyright (C) 2016, 2017, 2018 Sony Semiconductor Solutions Corporation */ -#define CXD2880_TNRDMD_DRIVER_VERSION "1.4.1 - 1.0.4" +#define CXD2880_TNRDMD_DRIVER_VERSION "1.4.1 - 1.0.5" -#define CXD2880_TNRDMD_DRIVER_RELEASE_DATE "2018-01-17" +#define CXD2880_TNRDMD_DRIVER_RELEASE_DATE "2018-04-25" diff --git a/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c index d474dc1b05da..bd9101e246d5 100644 --- a/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c +++ b/drivers/media/dvb-frontends/cxd2880/cxd2880_top.c @@ -520,6 +520,15 @@ static int cxd2880_init(struct dvb_frontend *fe) pr_err("cxd2880 integ init failed %d\n", ret); return ret; } + + ret = cxd2880_tnrdmd_set_cfg(&priv->tnrdmd, + CXD2880_TNRDMD_CFG_TSPIN_CURRENT, + 0x00); + if (ret) { + mutex_unlock(priv->spi_mutex); + pr_err("cxd2880 set config failed %d\n", ret); + return ret; + } mutex_unlock(priv->spi_mutex); pr_debug("OK.\n"); @@ -1126,7 +1135,7 @@ static int cxd2880_get_stats(struct dvb_frontend *fe, priv = fe->demodulator_priv; c = &fe->dtv_property_cache; - if (!(status & FE_HAS_LOCK)) { + if (!(status & FE_HAS_LOCK) || !(status & FE_HAS_CARRIER)) { c->pre_bit_error.len = 1; c->pre_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; c->pre_bit_count.len = 1; @@ -1345,7 +1354,8 @@ static int cxd2880_read_status(struct dvb_frontend *fe, pr_debug("status %d\n", *status); - if (priv->s == 0 && (*status & FE_HAS_LOCK)) { + if (priv->s == 0 && (*status & FE_HAS_LOCK) && + (*status & FE_HAS_CARRIER)) { mutex_lock(priv->spi_mutex); if (c->delivery_system == SYS_DVBT) { ret = cxd2880_set_ber_per_period_t(fe); diff --git a/drivers/media/dvb-frontends/dvb-pll.c b/drivers/media/dvb-frontends/dvb-pll.c index 5553b89b804e..e3894ff403d7 100644 --- a/drivers/media/dvb-frontends/dvb-pll.c +++ b/drivers/media/dvb-frontends/dvb-pll.c @@ -533,6 +533,45 @@ static const struct dvb_pll_desc dvb_pll_alps_tdee4 = { } }; +/* Infineon TUA6034 ISDB-T, used in Friio */ +/* CP cur. 50uA, AGC takeover: 103dBuV, PORT3 on */ +static const struct dvb_pll_desc dvb_pll_tua6034_friio = { + .name = "Infineon TUA6034 ISDB-T (Friio)", + .min = 90000000, + .max = 770000000, + .iffreq = 57000000, + .initdata = (u8[]){ 4, 0x9a, 0x50, 0xb2, 0x08 }, + .sleepdata = (u8[]){ 4, 0x9a, 0x70, 0xb3, 0x0b }, + .count = 3, + .entries = { + { 170000000, 142857, 0xba, 0x09 }, + { 470000000, 142857, 0xba, 0x0a }, + { 770000000, 142857, 0xb2, 0x08 }, + } +}; + +/* Philips TDA6651 ISDB-T, used in Earthsoft PT1 */ +static const struct dvb_pll_desc dvb_pll_tda665x_earth_pt1 = { + .name = "Philips TDA6651 ISDB-T (EarthSoft PT1)", + .min = 90000000, + .max = 770000000, + .iffreq = 57000000, + .initdata = (u8[]){ 5, 0x0e, 0x7f, 0xc1, 0x80, 0x80 }, + .count = 10, + .entries = { + { 140000000, 142857, 0xc1, 0x81 }, + { 170000000, 142857, 0xc1, 0xa1 }, + { 220000000, 142857, 0xc1, 0x62 }, + { 330000000, 142857, 0xc1, 0xa2 }, + { 402000000, 142857, 0xc1, 0xe2 }, + { 450000000, 142857, 0xc1, 0x64 }, + { 550000000, 142857, 0xc1, 0x84 }, + { 600000000, 142857, 0xc1, 0xa4 }, + { 700000000, 142857, 0xc1, 0xc4 }, + { 770000000, 142857, 0xc1, 0xe4 }, + } +}; + /* ----------------------------------------------------------- */ static const struct dvb_pll_desc *pll_list[] = { @@ -556,6 +595,8 @@ static const struct dvb_pll_desc *pll_list[] = { [DVB_PLL_SAMSUNG_TDTC9251DH0] = &dvb_pll_samsung_tdtc9251dh0, [DVB_PLL_SAMSUNG_TBDU18132] = &dvb_pll_samsung_tbdu18132, [DVB_PLL_SAMSUNG_TBMU24112] = &dvb_pll_samsung_tbmu24112, + [DVB_PLL_TUA6034_FRIIO] = &dvb_pll_tua6034_friio, + [DVB_PLL_TDA665X_EARTH_PT1] = &dvb_pll_tda665x_earth_pt1, }; /* ----------------------------------------------------------- */ @@ -827,6 +868,75 @@ struct dvb_frontend *dvb_pll_attach(struct dvb_frontend *fe, int pll_addr, } EXPORT_SYMBOL(dvb_pll_attach); + +static int +dvb_pll_probe(struct i2c_client *client, const struct i2c_device_id *id) +{ + struct dvb_pll_config *cfg; + struct dvb_frontend *fe; + unsigned int desc_id; + + cfg = client->dev.platform_data; + fe = cfg->fe; + i2c_set_clientdata(client, fe); + desc_id = (unsigned int) id->driver_data; + + if (!dvb_pll_attach(fe, client->addr, client->adapter, desc_id)) + return -ENOMEM; + + dev_info(&client->dev, "DVB Simple Tuner attached.\n"); + return 0; +} + +static int dvb_pll_remove(struct i2c_client *client) +{ + struct dvb_frontend *fe; + + fe = i2c_get_clientdata(client); + dvb_pll_release(fe); + return 0; +} + + +static const struct i2c_device_id dvb_pll_id[] = { + {"dtt7579", DVB_PLL_THOMSON_DTT7579}, + {"dtt759x", DVB_PLL_THOMSON_DTT759X}, + {"z201", DVB_PLL_LG_Z201}, + {"unknown_1", DVB_PLL_UNKNOWN_1}, + {"tua6010xs", DVB_PLL_TUA6010XS}, + {"env57h1xd5", DVB_PLL_ENV57H1XD5}, + {"tua6034", DVB_PLL_TUA6034}, + {"tda665x", DVB_PLL_TDA665X}, + {"tded4", DVB_PLL_TDED4}, + {"tdhu2", DVB_PLL_TDHU2}, + {"tbmv", DVB_PLL_SAMSUNG_TBMV}, + {"sd1878_tda8261", DVB_PLL_PHILIPS_SD1878_TDA8261}, + {"opera1", DVB_PLL_OPERA1}, + {"dtos403ih102a", DVB_PLL_SAMSUNG_DTOS403IH102A}, + {"tdtc9251dh0", DVB_PLL_SAMSUNG_TDTC9251DH0}, + {"tbdu18132", DVB_PLL_SAMSUNG_TBDU18132}, + {"tbmu24112", DVB_PLL_SAMSUNG_TBMU24112}, + {"tdee4", DVB_PLL_TDEE4}, + {"dtt7520x", DVB_PLL_THOMSON_DTT7520X}, + {"tua6034_friio", DVB_PLL_TUA6034_FRIIO}, + {"tda665x_earthpt1", DVB_PLL_TDA665X_EARTH_PT1}, + {} +}; + + +MODULE_DEVICE_TABLE(i2c, dvb_pll_id); + +static struct i2c_driver dvb_pll_driver = { + .driver = { + .name = "dvb_pll", + }, + .probe = dvb_pll_probe, + .remove = dvb_pll_remove, + .id_table = dvb_pll_id, +}; + +module_i2c_driver(dvb_pll_driver); + MODULE_DESCRIPTION("dvb pll library"); MODULE_AUTHOR("Gerd Knorr"); MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb-frontends/dvb-pll.h b/drivers/media/dvb-frontends/dvb-pll.h index ca885e71d2f0..973a66a82e27 100644 --- a/drivers/media/dvb-frontends/dvb-pll.h +++ b/drivers/media/dvb-frontends/dvb-pll.h @@ -29,6 +29,12 @@ #define DVB_PLL_SAMSUNG_TBMU24112 17 #define DVB_PLL_TDEE4 18 #define DVB_PLL_THOMSON_DTT7520X 19 +#define DVB_PLL_TUA6034_FRIIO 20 +#define DVB_PLL_TDA665X_EARTH_PT1 21 + +struct dvb_pll_config { + struct dvb_frontend *fe; +}; #if IS_REACHABLE(CONFIG_DVB_PLL) /** diff --git a/drivers/media/dvb-frontends/l64781.c b/drivers/media/dvb-frontends/l64781.c index e056f36e6f0c..249c18761e6e 100644 --- a/drivers/media/dvb-frontends/l64781.c +++ b/drivers/media/dvb-frontends/l64781.c @@ -546,7 +546,7 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config, /* Responds to all reads with 0 */ if (l64781_readreg(state, 0x1a) != 0) { - dprintk("Read 1 returned unexpcted value\n"); + dprintk("Read 1 returned unexpected value\n"); goto error; } @@ -555,7 +555,7 @@ struct dvb_frontend* l64781_attach(const struct l64781_config* config, /* Responds with register default value */ if (l64781_readreg(state, 0x1a) != 0xa1) { - dprintk("Read 2 returned unexpcted value\n"); + dprintk("Read 2 returned unexpected value\n"); goto error; } diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c index 7eb4e1469d20..32de824476db 100644 --- a/drivers/media/dvb-frontends/lgdt3306a.c +++ b/drivers/media/dvb-frontends/lgdt3306a.c @@ -1784,7 +1784,7 @@ static int lgdt3306a_get_tune_settings(struct dvb_frontend *fe, return 0; } -static int lgdt3306a_search(struct dvb_frontend *fe) +static enum dvbfe_search lgdt3306a_search(struct dvb_frontend *fe) { enum fe_status status = 0; int ret; diff --git a/drivers/media/dvb-frontends/lgdt330x.c b/drivers/media/dvb-frontends/lgdt330x.c index 8ad03bd81af5..f6731738b073 100644 --- a/drivers/media/dvb-frontends/lgdt330x.c +++ b/drivers/media/dvb-frontends/lgdt330x.c @@ -47,50 +47,50 @@ static int debug; module_param(debug, int, 0644); -MODULE_PARM_DESC(debug,"Turn on/off lgdt330x frontend debugging (default:off)."); -#define dprintk(args...) \ -do { \ -if (debug) printk(KERN_DEBUG "lgdt330x: " args); \ +MODULE_PARM_DESC(debug, "Turn on/off lgdt330x frontend debugging (default:off)."); + +#define dprintk(state, fmt, arg...) do { \ + if (debug) \ + dev_printk(KERN_DEBUG, &state->client->dev, fmt, ##arg);\ } while (0) -struct lgdt330x_state -{ - struct i2c_adapter* i2c; +struct lgdt330x_state { + struct i2c_client *client; /* Configuration settings */ - const struct lgdt330x_config* config; + struct lgdt330x_config config; struct dvb_frontend frontend; /* Demodulator private data */ enum fe_modulation current_modulation; - u32 snr; /* Result of last SNR calculation */ + u32 snr; /* Result of last SNR calculation */ + u16 ucblocks; + unsigned long last_stats_time; /* Tuner private data */ u32 current_frequency; }; -static int i2c_write_demod_bytes (struct lgdt330x_state* state, - u8 *buf, /* data bytes to send */ - int len /* number of bytes to send */ ) +static int i2c_write_demod_bytes(struct lgdt330x_state *state, + const u8 *buf, /* data bytes to send */ + int len /* number of bytes to send */) { - struct i2c_msg msg = - { .addr = state->config->demod_address, - .flags = 0, - .buf = buf, - .len = 2 }; int i; int err; - for (i=0; i<len-1; i+=2){ - if ((err = i2c_transfer(state->i2c, &msg, 1)) != 1) { - printk(KERN_WARNING "lgdt330x: %s error (addr %02x <- %02x, err = %i)\n", __func__, msg.buf[0], msg.buf[1], err); + for (i = 0; i < len - 1; i += 2) { + err = i2c_master_send(state->client, buf, 2); + if (err != 2) { + dev_warn(&state->client->dev, + "%s: error (addr %02x <- %02x, err = %i)\n", + __func__, buf[0], buf[1], err); if (err < 0) return err; else return -EREMOTEIO; } - msg.buf += 2; + buf += 2; } return 0; } @@ -99,21 +99,30 @@ static int i2c_write_demod_bytes (struct lgdt330x_state* state, * This routine writes the register (reg) to the demod bus * then reads the data returned for (len) bytes. */ - static int i2c_read_demod_bytes(struct lgdt330x_state *state, enum I2C_REG reg, u8 *buf, int len) { - u8 wr [] = { reg }; - struct i2c_msg msg [] = { - { .addr = state->config->demod_address, - .flags = 0, .buf = wr, .len = 1 }, - { .addr = state->config->demod_address, - .flags = I2C_M_RD, .buf = buf, .len = len }, + u8 wr[] = { reg }; + struct i2c_msg msg[] = { + { + .addr = state->client->addr, + .flags = 0, + .buf = wr, + .len = 1 + }, { + .addr = state->client->addr, + .flags = I2C_M_RD, + .buf = buf, + .len = len + }, }; int ret; - ret = i2c_transfer(state->i2c, msg, 2); + + ret = i2c_transfer(state->client->adapter, msg, 2); if (ret != 2) { - printk(KERN_WARNING "lgdt330x: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __func__, state->config->demod_address, reg, ret); + dev_warn(&state->client->dev, + "%s: addr 0x%02x select 0x%02x error (ret == %i)\n", + __func__, state->client->addr, reg, ret); if (ret >= 0) ret = -EIO; } else { @@ -123,19 +132,21 @@ static int i2c_read_demod_bytes(struct lgdt330x_state *state, } /* Software reset */ -static int lgdt3302_SwReset(struct lgdt330x_state* state) +static int lgdt3302_sw_reset(struct lgdt330x_state *state) { u8 ret; u8 reset[] = { IRQ_MASK, - 0x00 /* bit 6 is active low software reset - * bits 5-0 are 1 to mask interrupts */ + /* + * bit 6 is active low software reset + * bits 5-0 are 1 to mask interrupts + */ + 0x00 }; ret = i2c_write_demod_bytes(state, reset, sizeof(reset)); if (ret == 0) { - /* force reset high (inactive) and unmask interrupts */ reset[1] = 0x7f; ret = i2c_write_demod_bytes(state, @@ -144,7 +155,7 @@ static int lgdt3302_SwReset(struct lgdt330x_state* state) return ret; } -static int lgdt3303_SwReset(struct lgdt330x_state* state) +static int lgdt3303_sw_reset(struct lgdt330x_state *state) { u8 ret; u8 reset[] = { @@ -155,7 +166,6 @@ static int lgdt3303_SwReset(struct lgdt330x_state* state) ret = i2c_write_demod_bytes(state, reset, sizeof(reset)); if (ret == 0) { - /* force reset high (inactive) */ reset[1] = 0x01; ret = i2c_write_demod_bytes(state, @@ -164,81 +174,94 @@ static int lgdt3303_SwReset(struct lgdt330x_state* state) return ret; } -static int lgdt330x_SwReset(struct lgdt330x_state* state) +static int lgdt330x_sw_reset(struct lgdt330x_state *state) { - switch (state->config->demod_chip) { + switch (state->config.demod_chip) { case LGDT3302: - return lgdt3302_SwReset(state); + return lgdt3302_sw_reset(state); case LGDT3303: - return lgdt3303_SwReset(state); + return lgdt3303_sw_reset(state); default: return -ENODEV; } } -static int lgdt330x_init(struct dvb_frontend* fe) +static int lgdt330x_init(struct dvb_frontend *fe) { - /* Hardware reset is done using gpio[0] of cx23880x chip. - * I'd like to do it here, but don't know how to find chip address. - * cx88-cards.c arranges for the reset bit to be inactive (high). - * Maybe there needs to be a callable function in cx88-core or - * the caller of this function needs to do it. */ - + struct lgdt330x_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + char *chip_name; + int err; /* * Array of byte pairs <address, value> * to initialize each different chip */ - static u8 lgdt3302_init_data[] = { - /* Use 50MHz parameter values from spec sheet since xtal is 50 */ - /* Change the value of NCOCTFV[25:0] of carrier - recovery center frequency register */ + static const u8 lgdt3302_init_data[] = { + /* Use 50MHz param values from spec sheet since xtal is 50 */ + /* + * Change the value of NCOCTFV[25:0] of carrier + * recovery center frequency register + */ VSB_CARRIER_FREQ0, 0x00, VSB_CARRIER_FREQ1, 0x87, VSB_CARRIER_FREQ2, 0x8e, VSB_CARRIER_FREQ3, 0x01, - /* Change the TPCLK pin polarity - data is valid on falling clock */ + /* + * Change the TPCLK pin polarity + * data is valid on falling clock + */ DEMUX_CONTROL, 0xfb, - /* Change the value of IFBW[11:0] of - AGC IF/RF loop filter bandwidth register */ + /* + * Change the value of IFBW[11:0] of + * AGC IF/RF loop filter bandwidth register + */ AGC_RF_BANDWIDTH0, 0x40, AGC_RF_BANDWIDTH1, 0x93, AGC_RF_BANDWIDTH2, 0x00, - /* Change the value of bit 6, 'nINAGCBY' and - 'NSSEL[1:0] of ACG function control register 2 */ + /* + * Change the value of bit 6, 'nINAGCBY' and + * 'NSSEL[1:0] of ACG function control register 2 + */ AGC_FUNC_CTRL2, 0xc6, - /* Change the value of bit 6 'RFFIX' - of AGC function control register 3 */ + /* + * Change the value of bit 6 'RFFIX' + * of AGC function control register 3 + */ AGC_FUNC_CTRL3, 0x40, - /* Set the value of 'INLVTHD' register 0x2a/0x2c - to 0x7fe */ + /* + * Set the value of 'INLVTHD' register 0x2a/0x2c + * to 0x7fe + */ AGC_DELAY0, 0x07, AGC_DELAY2, 0xfe, - /* Change the value of IAGCBW[15:8] - of inner AGC loop filter bandwidth */ + /* + * Change the value of IAGCBW[15:8] + * of inner AGC loop filter bandwidth + */ AGC_LOOP_BANDWIDTH0, 0x08, AGC_LOOP_BANDWIDTH1, 0x9a }; - - static u8 lgdt3303_init_data[] = { + static const u8 lgdt3303_init_data[] = { 0x4c, 0x14 }; - - static u8 flip_1_lgdt3303_init_data[] = { + static const u8 flip_1_lgdt3303_init_data[] = { 0x4c, 0x14, 0x87, 0xf3 }; - - static u8 flip_2_lgdt3303_init_data[] = { + static const u8 flip_2_lgdt3303_init_data[] = { 0x4c, 0x14, 0x87, 0xda }; - struct lgdt330x_state* state = fe->demodulator_priv; - char *chip_name; - int err; + /* + * Hardware reset is done using gpio[0] of cx23880x chip. + * I'd like to do it here, but don't know how to find chip address. + * cx88-cards.c arranges for the reset bit to be inactive (high). + * Maybe there needs to be a callable function in cx88-core or + * the caller of this function needs to do it. + */ - switch (state->config->demod_chip) { + switch (state->config.demod_chip) { case LGDT3302: chip_name = "LGDT3302"; err = i2c_write_demod_bytes(state, lgdt3302_init_data, @@ -246,16 +269,16 @@ static int lgdt330x_init(struct dvb_frontend* fe) break; case LGDT3303: chip_name = "LGDT3303"; - switch (state->config->clock_polarity_flip) { + switch (state->config.clock_polarity_flip) { case 2: err = i2c_write_demod_bytes(state, - flip_2_lgdt3303_init_data, - sizeof(flip_2_lgdt3303_init_data)); + flip_2_lgdt3303_init_data, + sizeof(flip_2_lgdt3303_init_data)); break; case 1: err = i2c_write_demod_bytes(state, - flip_1_lgdt3303_init_data, - sizeof(flip_1_lgdt3303_init_data)); + flip_1_lgdt3303_init_data, + sizeof(flip_1_lgdt3303_init_data)); break; case 0: default: @@ -265,70 +288,55 @@ static int lgdt330x_init(struct dvb_frontend* fe) break; default: chip_name = "undefined"; - printk (KERN_WARNING "Only LGDT3302 and LGDT3303 are supported chips.\n"); + dev_warn(&state->client->dev, + "Only LGDT3302 and LGDT3303 are supported chips.\n"); err = -ENODEV; } - dprintk("%s entered as %s\n", __func__, chip_name); + dprintk(state, "Initialized the %s chip\n", chip_name); if (err < 0) return err; - return lgdt330x_SwReset(state); -} -static int lgdt330x_read_ber(struct dvb_frontend* fe, u32* ber) -{ - *ber = 0; /* Not supplied by the demod chips */ - return 0; + p->cnr.len = 1; + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.len = 1; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.len = 1; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + state->last_stats_time = 0; + + return lgdt330x_sw_reset(state); } -static int lgdt330x_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks) +static int lgdt330x_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks) { - struct lgdt330x_state* state = fe->demodulator_priv; - int err; - u8 buf[2]; + struct lgdt330x_state *state = fe->demodulator_priv; - *ucblocks = 0; + *ucblocks = state->ucblocks; - switch (state->config->demod_chip) { - case LGDT3302: - err = i2c_read_demod_bytes(state, LGDT3302_PACKET_ERR_COUNTER1, - buf, sizeof(buf)); - break; - case LGDT3303: - err = i2c_read_demod_bytes(state, LGDT3303_PACKET_ERR_COUNTER1, - buf, sizeof(buf)); - break; - default: - printk(KERN_WARNING - "Only LGDT3302 and LGDT3303 are supported chips.\n"); - err = -ENODEV; - } - if (err < 0) - return err; - - *ucblocks = (buf[0] << 8) | buf[1]; return 0; } static int lgdt330x_set_parameters(struct dvb_frontend *fe) { struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct lgdt330x_state *state = fe->demodulator_priv; /* * Array of byte pairs <address, value> * to initialize 8VSB for lgdt3303 chip 50 MHz IF */ - static u8 lgdt3303_8vsb_44_data[] = { + static const u8 lgdt3303_8vsb_44_data[] = { 0x04, 0x00, 0x0d, 0x40, 0x0e, 0x87, 0x0f, 0x8e, 0x10, 0x01, - 0x47, 0x8b }; - + 0x47, 0x8b + }; /* * Array of byte pairs <address, value> * to initialize QAM for lgdt3303 chip */ - static u8 lgdt3303_qam_data[] = { + static const u8 lgdt3303_qam_data[] = { 0x04, 0x00, 0x0d, 0x00, 0x0e, 0x00, @@ -339,98 +347,105 @@ static int lgdt330x_set_parameters(struct dvb_frontend *fe) 0x48, 0x66, 0x4d, 0x1a, 0x49, 0x08, - 0x4a, 0x9b }; - - struct lgdt330x_state* state = fe->demodulator_priv; - - static u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 }; + 0x4a, 0x9b + }; + u8 top_ctrl_cfg[] = { TOP_CONTROL, 0x03 }; int err = 0; /* Change only if we are actually changing the modulation */ if (state->current_modulation != p->modulation) { switch (p->modulation) { case VSB_8: - dprintk("%s: VSB_8 MODE\n", __func__); + dprintk(state, "VSB_8 MODE\n"); /* Select VSB mode */ top_ctrl_cfg[1] = 0x03; /* Select ANT connector if supported by card */ - if (state->config->pll_rf_set) - state->config->pll_rf_set(fe, 1); + if (state->config.pll_rf_set) + state->config.pll_rf_set(fe, 1); - if (state->config->demod_chip == LGDT3303) { - err = i2c_write_demod_bytes(state, lgdt3303_8vsb_44_data, + if (state->config.demod_chip == LGDT3303) { + err = i2c_write_demod_bytes(state, + lgdt3303_8vsb_44_data, sizeof(lgdt3303_8vsb_44_data)); } break; case QAM_64: - dprintk("%s: QAM_64 MODE\n", __func__); + dprintk(state, "QAM_64 MODE\n"); /* Select QAM_64 mode */ top_ctrl_cfg[1] = 0x00; /* Select CABLE connector if supported by card */ - if (state->config->pll_rf_set) - state->config->pll_rf_set(fe, 0); + if (state->config.pll_rf_set) + state->config.pll_rf_set(fe, 0); - if (state->config->demod_chip == LGDT3303) { - err = i2c_write_demod_bytes(state, lgdt3303_qam_data, - sizeof(lgdt3303_qam_data)); + if (state->config.demod_chip == LGDT3303) { + err = i2c_write_demod_bytes(state, + lgdt3303_qam_data, + sizeof(lgdt3303_qam_data)); } break; case QAM_256: - dprintk("%s: QAM_256 MODE\n", __func__); + dprintk(state, "QAM_256 MODE\n"); /* Select QAM_256 mode */ top_ctrl_cfg[1] = 0x01; /* Select CABLE connector if supported by card */ - if (state->config->pll_rf_set) - state->config->pll_rf_set(fe, 0); + if (state->config.pll_rf_set) + state->config.pll_rf_set(fe, 0); - if (state->config->demod_chip == LGDT3303) { - err = i2c_write_demod_bytes(state, lgdt3303_qam_data, - sizeof(lgdt3303_qam_data)); + if (state->config.demod_chip == LGDT3303) { + err = i2c_write_demod_bytes(state, + lgdt3303_qam_data, + sizeof(lgdt3303_qam_data)); } break; default: - printk(KERN_WARNING "lgdt330x: %s: Modulation type(%d) UNSUPPORTED\n", __func__, p->modulation); + dev_warn(&state->client->dev, + "%s: Modulation type(%d) UNSUPPORTED\n", + __func__, p->modulation); return -1; } if (err < 0) - printk(KERN_WARNING "lgdt330x: %s: error blasting bytes to lgdt3303 for modulation type(%d)\n", - __func__, p->modulation); + dev_warn(&state->client->dev, + "%s: error blasting bytes to lgdt3303 for modulation type(%d)\n", + __func__, p->modulation); /* - * select serial or parallel MPEG harware interface + * select serial or parallel MPEG hardware interface * Serial: 0x04 for LGDT3302 or 0x40 for LGDT3303 * Parallel: 0x00 */ - top_ctrl_cfg[1] |= state->config->serial_mpeg; + top_ctrl_cfg[1] |= state->config.serial_mpeg; /* Select the requested mode */ i2c_write_demod_bytes(state, top_ctrl_cfg, sizeof(top_ctrl_cfg)); - if (state->config->set_ts_params) - state->config->set_ts_params(fe, 0); + if (state->config.set_ts_params) + state->config.set_ts_params(fe, 0); state->current_modulation = p->modulation; } /* Tune to the specified frequency */ if (fe->ops.tuner_ops.set_params) { fe->ops.tuner_ops.set_params(fe); - if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 0); + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 0); } /* Keep track of the new frequency */ - /* FIXME this is the wrong way to do this... */ - /* The tuner is shared with the video4linux analog API */ + /* + * FIXME this is the wrong way to do this... + * The tuner is shared with the video4linux analog API + */ state->current_frequency = p->frequency; - lgdt330x_SwReset(state); + lgdt330x_sw_reset(state); return 0; } @@ -443,20 +458,191 @@ static int lgdt330x_get_frontend(struct dvb_frontend *fe, return 0; } +/* + * Calculate SNR estimation (scaled by 2^24) + * + * 8-VSB SNR equations from LGDT3302 and LGDT3303 datasheets, QAM + * equations from LGDT3303 datasheet. VSB is the same between the '02 + * and '03, so maybe QAM is too? Perhaps someone with a newer datasheet + * that has QAM information could verify? + * + * For 8-VSB: (two ways, take your pick) + * LGDT3302: + * SNR_EQ = 10 * log10(25 * 24^2 / EQ_MSE) + * LGDT3303: + * SNR_EQ = 10 * log10(25 * 32^2 / EQ_MSE) + * LGDT3302 & LGDT3303: + * SNR_PT = 10 * log10(25 * 32^2 / PT_MSE) (we use this one) + * For 64-QAM: + * SNR = 10 * log10( 688128 / MSEQAM) + * For 256-QAM: + * SNR = 10 * log10( 696320 / MSEQAM) + * + * We re-write the snr equation as: + * SNR * 2^24 = 10*(c - intlog10(MSE)) + * Where for 256-QAM, c = log10(696320) * 2^24, and so on. + */ +static u32 calculate_snr(u32 mse, u32 c) +{ + if (mse == 0) /* No signal */ + return 0; + + mse = intlog10(mse); + if (mse > c) { + /* + * Negative SNR, which is possible, but realisticly the + * demod will lose lock before the signal gets this bad. + * The API only allows for unsigned values, so just return 0 + */ + return 0; + } + return 10 * (c - mse); +} + +static int lgdt3302_read_snr(struct dvb_frontend *fe) +{ + struct lgdt330x_state *state = fe->demodulator_priv; + u8 buf[5]; /* read data buffer */ + u32 noise; /* noise value */ + u32 c; /* per-modulation SNR calculation constant */ + + switch (state->current_modulation) { + case VSB_8: + i2c_read_demod_bytes(state, LGDT3302_EQPH_ERR0, buf, 5); +#ifdef USE_EQMSE + /* Use Equalizer Mean-Square Error Register */ + /* SNR for ranges from -15.61 to +41.58 */ + noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2]; + c = 69765745; /* log10(25*24^2)*2^24 */ +#else + /* Use Phase Tracker Mean-Square Error Register */ + /* SNR for ranges from -13.11 to +44.08 */ + noise = ((buf[0] & 7 << 3) << 13) | (buf[3] << 8) | buf[4]; + c = 73957994; /* log10(25*32^2)*2^24 */ +#endif + break; + case QAM_64: + case QAM_256: + i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2); + noise = ((buf[0] & 3) << 8) | buf[1]; + c = state->current_modulation == QAM_64 ? 97939837 : 98026066; + /* log10(688128)*2^24 and log10(696320)*2^24 */ + break; + default: + dev_err(&state->client->dev, + "%s: Modulation set to unsupported value\n", + __func__); + + state->snr = 0; + + return -EREMOTEIO; /* return -EDRIVER_IS_GIBBERED; */ + } + + state->snr = calculate_snr(noise, c); + + dprintk(state, "noise = 0x%08x, snr = %d.%02d dB\n", noise, + state->snr >> 24, (((state->snr >> 8) & 0xffff) * 100) >> 16); + + return 0; +} + +static int lgdt3303_read_snr(struct dvb_frontend *fe) +{ + struct lgdt330x_state *state = fe->demodulator_priv; + u8 buf[5]; /* read data buffer */ + u32 noise; /* noise value */ + u32 c; /* per-modulation SNR calculation constant */ + + switch (state->current_modulation) { + case VSB_8: + i2c_read_demod_bytes(state, LGDT3303_EQPH_ERR0, buf, 5); +#ifdef USE_EQMSE + /* Use Equalizer Mean-Square Error Register */ + /* SNR for ranges from -16.12 to +44.08 */ + noise = ((buf[0] & 0x78) << 13) | (buf[1] << 8) | buf[2]; + c = 73957994; /* log10(25*32^2)*2^24 */ +#else + /* Use Phase Tracker Mean-Square Error Register */ + /* SNR for ranges from -13.11 to +44.08 */ + noise = ((buf[0] & 7) << 16) | (buf[3] << 8) | buf[4]; + c = 73957994; /* log10(25*32^2)*2^24 */ +#endif + break; + case QAM_64: + case QAM_256: + i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2); + noise = (buf[0] << 8) | buf[1]; + c = state->current_modulation == QAM_64 ? 97939837 : 98026066; + /* log10(688128)*2^24 and log10(696320)*2^24 */ + break; + default: + dev_err(&state->client->dev, + "%s: Modulation set to unsupported value\n", + __func__); + state->snr = 0; + return -EREMOTEIO; /* return -EDRIVER_IS_GIBBERED; */ + } + + state->snr = calculate_snr(noise, c); + + dprintk(state, "noise = 0x%08x, snr = %d.%02d dB\n", noise, + state->snr >> 24, (((state->snr >> 8) & 0xffff) * 100) >> 16); + + return 0; +} + +static int lgdt330x_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct lgdt330x_state *state = fe->demodulator_priv; + + *snr = (state->snr) >> 16; /* Convert from 8.24 fixed-point to 8.8 */ + + return 0; +} + +static int lgdt330x_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + /* Calculate Strength from SNR up to 35dB */ + /* + * Even though the SNR can go higher than 35dB, there is some comfort + * factor in having a range of strong signals that can show at 100% + */ + struct lgdt330x_state *state = fe->demodulator_priv; + u16 snr; + int ret; + + ret = fe->ops.read_snr(fe, &snr); + if (ret != 0) + return ret; + /* Rather than use the 8.8 value snr, use state->snr which is 8.24 */ + /* scale the range 0 - 35*2^24 into 0 - 65535 */ + if (state->snr >= 8960 * 0x10000) + *strength = 0xffff; + else + *strength = state->snr / 8960; + + return 0; +} + + static int lgdt3302_read_status(struct dvb_frontend *fe, enum fe_status *status) { - struct lgdt330x_state* state = fe->demodulator_priv; + struct lgdt330x_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; u8 buf[3]; + int err; *status = 0; /* Reset status result */ /* AGC status register */ i2c_read_demod_bytes(state, AGC_STATUS, buf, 1); - dprintk("%s: AGC_STATUS = 0x%02x\n", __func__, buf[0]); - if ((buf[0] & 0x0c) == 0x8){ - /* Test signal does not exist flag */ - /* as well as the AGC lock flag. */ + dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]); + if ((buf[0] & 0x0c) == 0x8) { + /* + * Test signal does not exist flag + * as well as the AGC lock flag. + */ *status |= FE_HAS_SIGNAL; } @@ -465,25 +651,24 @@ static int lgdt3302_read_status(struct dvb_frontend *fe, * to see that status bit in the IRQ_STATUS register. * This is done in SwReset(); */ + /* signal status */ i2c_read_demod_bytes(state, TOP_CONTROL, buf, sizeof(buf)); - dprintk("%s: TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", __func__, buf[0], buf[1], buf[2]); - + dprintk(state, + "TOP_CONTROL = 0x%02x, IRO_MASK = 0x%02x, IRQ_STATUS = 0x%02x\n", + buf[0], buf[1], buf[2]); /* sync status */ - if ((buf[2] & 0x03) == 0x01) { + if ((buf[2] & 0x03) == 0x01) *status |= FE_HAS_SYNC; - } /* FEC error status */ - if ((buf[2] & 0x0c) == 0x08) { - *status |= FE_HAS_LOCK; - *status |= FE_HAS_VITERBI; - } + if ((buf[2] & 0x0c) == 0x08) + *status |= FE_HAS_LOCK | FE_HAS_VITERBI; /* Carrier Recovery Lock Status Register */ i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1); - dprintk("%s: CARRIER_LOCK = 0x%02x\n", __func__, buf[0]); + dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]); switch (state->current_modulation) { case QAM_256: case QAM_64: @@ -496,7 +681,48 @@ static int lgdt3302_read_status(struct dvb_frontend *fe, *status |= FE_HAS_CARRIER; break; default: - printk(KERN_WARNING "lgdt330x: %s: Modulation set to unsupported value\n", __func__); + dev_warn(&state->client->dev, + "%s: Modulation set to unsupported value\n", + __func__); + } + + if (!(*status & FE_HAS_LOCK)) { + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + return 0; + } + + if (state->last_stats_time && + time_is_after_jiffies(state->last_stats_time)) + return 0; + + state->last_stats_time = jiffies + msecs_to_jiffies(1000); + + err = lgdt3302_read_snr(fe); + if (!err) { + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + p->cnr.stat[0].svalue = (((u64)state->snr) * 1000) >> 24; + } else { + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + } + + err = i2c_read_demod_bytes(state, LGDT3302_PACKET_ERR_COUNTER1, + buf, sizeof(buf)); + if (!err) { + state->ucblocks = (buf[0] << 8) | buf[1]; + + dprintk(state, "UCB = 0x%02x\n", state->ucblocks); + + p->block_error.stat[0].uvalue += state->ucblocks; + /* FIXME: what's the basis for block count */ + p->block_count.stat[0].uvalue += 10000; + + p->block_error.stat[0].scale = FE_SCALE_COUNTER; + p->block_count.stat[0].scale = FE_SCALE_COUNTER; + } else { + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } return 0; @@ -505,9 +731,10 @@ static int lgdt3302_read_status(struct dvb_frontend *fe, static int lgdt3303_read_status(struct dvb_frontend *fe, enum fe_status *status) { - struct lgdt330x_state* state = fe->demodulator_priv; - int err; + struct lgdt330x_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; u8 buf[3]; + int err; *status = 0; /* Reset status result */ @@ -516,16 +743,18 @@ static int lgdt3303_read_status(struct dvb_frontend *fe, if (err < 0) return err; - dprintk("%s: AGC_STATUS = 0x%02x\n", __func__, buf[0]); - if ((buf[0] & 0x21) == 0x01){ - /* Test input signal does not exist flag */ - /* as well as the AGC lock flag. */ + dprintk(state, "AGC_STATUS = 0x%02x\n", buf[0]); + if ((buf[0] & 0x21) == 0x01) { + /* + * Test input signal does not exist flag + * as well as the AGC lock flag. + */ *status |= FE_HAS_SIGNAL; } /* Carrier Recovery Lock Status Register */ i2c_read_demod_bytes(state, CARRIER_LOCK, buf, 1); - dprintk("%s: CARRIER_LOCK = 0x%02x\n", __func__, buf[0]); + dprintk(state, "CARRIER_LOCK = 0x%02x\n", buf[0]); switch (state->current_modulation) { case QAM_256: case QAM_64: @@ -535,6 +764,8 @@ static int lgdt3303_read_status(struct dvb_frontend *fe, else break; i2c_read_demod_bytes(state, 0x8a, buf, 1); + dprintk(state, "QAM LOCK = 0x%02x\n", buf[0]); + if ((buf[0] & 0x04) == 0x04) *status |= FE_HAS_SYNC; if ((buf[0] & 0x01) == 0x01) @@ -548,168 +779,64 @@ static int lgdt3303_read_status(struct dvb_frontend *fe, else break; i2c_read_demod_bytes(state, 0x38, buf, 1); + dprintk(state, "8-VSB LOCK = 0x%02x\n", buf[0]); + if ((buf[0] & 0x02) == 0x00) *status |= FE_HAS_SYNC; - if ((buf[0] & 0x01) == 0x01) { - *status |= FE_HAS_LOCK; - *status |= FE_HAS_VITERBI; - } + if ((buf[0] & 0xfd) == 0x01) + *status |= FE_HAS_VITERBI | FE_HAS_LOCK; break; default: - printk(KERN_WARNING "lgdt330x: %s: Modulation set to unsupported value\n", __func__); + dev_warn(&state->client->dev, + "%s: Modulation set to unsupported value\n", + __func__); } - return 0; -} - -/* Calculate SNR estimation (scaled by 2^24) - - 8-VSB SNR equations from LGDT3302 and LGDT3303 datasheets, QAM - equations from LGDT3303 datasheet. VSB is the same between the '02 - and '03, so maybe QAM is too? Perhaps someone with a newer datasheet - that has QAM information could verify? - - For 8-VSB: (two ways, take your pick) - LGDT3302: - SNR_EQ = 10 * log10(25 * 24^2 / EQ_MSE) - LGDT3303: - SNR_EQ = 10 * log10(25 * 32^2 / EQ_MSE) - LGDT3302 & LGDT3303: - SNR_PT = 10 * log10(25 * 32^2 / PT_MSE) (we use this one) - For 64-QAM: - SNR = 10 * log10( 688128 / MSEQAM) - For 256-QAM: - SNR = 10 * log10( 696320 / MSEQAM) - - We re-write the snr equation as: - SNR * 2^24 = 10*(c - intlog10(MSE)) - Where for 256-QAM, c = log10(696320) * 2^24, and so on. */ -static u32 calculate_snr(u32 mse, u32 c) -{ - if (mse == 0) /* No signal */ + if (!(*status & FE_HAS_LOCK)) { + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; return 0; + } - mse = intlog10(mse); - if (mse > c) { - /* Negative SNR, which is possible, but realisticly the - demod will lose lock before the signal gets this bad. The - API only allows for unsigned values, so just return 0 */ + if (state->last_stats_time && + time_is_after_jiffies(state->last_stats_time)) return 0; - } - return 10*(c - mse); -} -static int lgdt3302_read_snr(struct dvb_frontend* fe, u16* snr) -{ - struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv; - u8 buf[5]; /* read data buffer */ - u32 noise; /* noise value */ - u32 c; /* per-modulation SNR calculation constant */ + state->last_stats_time = jiffies + msecs_to_jiffies(1000); - switch(state->current_modulation) { - case VSB_8: - i2c_read_demod_bytes(state, LGDT3302_EQPH_ERR0, buf, 5); -#ifdef USE_EQMSE - /* Use Equalizer Mean-Square Error Register */ - /* SNR for ranges from -15.61 to +41.58 */ - noise = ((buf[0] & 7) << 16) | (buf[1] << 8) | buf[2]; - c = 69765745; /* log10(25*24^2)*2^24 */ -#else - /* Use Phase Tracker Mean-Square Error Register */ - /* SNR for ranges from -13.11 to +44.08 */ - noise = ((buf[0] & 7<<3) << 13) | (buf[3] << 8) | buf[4]; - c = 73957994; /* log10(25*32^2)*2^24 */ -#endif - break; - case QAM_64: - case QAM_256: - i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2); - noise = ((buf[0] & 3) << 8) | buf[1]; - c = state->current_modulation == QAM_64 ? 97939837 : 98026066; - /* log10(688128)*2^24 and log10(696320)*2^24 */ - break; - default: - printk(KERN_ERR "lgdt330x: %s: Modulation set to unsupported value\n", - __func__); - return -EREMOTEIO; /* return -EDRIVER_IS_GIBBERED; */ + err = lgdt3303_read_snr(fe); + if (!err) { + p->cnr.stat[0].scale = FE_SCALE_DECIBEL; + p->cnr.stat[0].svalue = (((u64)state->snr) * 1000) >> 24; + } else { + p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } - state->snr = calculate_snr(noise, c); - *snr = (state->snr) >> 16; /* Convert from 8.24 fixed-point to 8.8 */ - - dprintk("%s: noise = 0x%08x, snr = %d.%02d dB\n", __func__, noise, - state->snr >> 24, (((state->snr>>8) & 0xffff) * 100) >> 16); + err = i2c_read_demod_bytes(state, LGDT3303_PACKET_ERR_COUNTER1, + buf, sizeof(buf)); + if (!err) { + state->ucblocks = (buf[0] << 8) | buf[1]; - return 0; -} + dprintk(state, "UCB = 0x%02x\n", state->ucblocks); -static int lgdt3303_read_snr(struct dvb_frontend* fe, u16* snr) -{ - struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv; - u8 buf[5]; /* read data buffer */ - u32 noise; /* noise value */ - u32 c; /* per-modulation SNR calculation constant */ + p->block_error.stat[0].uvalue += state->ucblocks; + /* FIXME: what's the basis for block count */ + p->block_count.stat[0].uvalue += 10000; - switch(state->current_modulation) { - case VSB_8: - i2c_read_demod_bytes(state, LGDT3303_EQPH_ERR0, buf, 5); -#ifdef USE_EQMSE - /* Use Equalizer Mean-Square Error Register */ - /* SNR for ranges from -16.12 to +44.08 */ - noise = ((buf[0] & 0x78) << 13) | (buf[1] << 8) | buf[2]; - c = 73957994; /* log10(25*32^2)*2^24 */ -#else - /* Use Phase Tracker Mean-Square Error Register */ - /* SNR for ranges from -13.11 to +44.08 */ - noise = ((buf[0] & 7) << 16) | (buf[3] << 8) | buf[4]; - c = 73957994; /* log10(25*32^2)*2^24 */ -#endif - break; - case QAM_64: - case QAM_256: - i2c_read_demod_bytes(state, CARRIER_MSEQAM1, buf, 2); - noise = (buf[0] << 8) | buf[1]; - c = state->current_modulation == QAM_64 ? 97939837 : 98026066; - /* log10(688128)*2^24 and log10(696320)*2^24 */ - break; - default: - printk(KERN_ERR "lgdt330x: %s: Modulation set to unsupported value\n", - __func__); - return -EREMOTEIO; /* return -EDRIVER_IS_GIBBERED; */ + p->block_error.stat[0].scale = FE_SCALE_COUNTER; + p->block_count.stat[0].scale = FE_SCALE_COUNTER; + } else { + p->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE; + p->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } - state->snr = calculate_snr(noise, c); - *snr = (state->snr) >> 16; /* Convert from 8.24 fixed-point to 8.8 */ - - dprintk("%s: noise = 0x%08x, snr = %d.%02d dB\n", __func__, noise, - state->snr >> 24, (((state->snr >> 8) & 0xffff) * 100) >> 16); - return 0; } -static int lgdt330x_read_signal_strength(struct dvb_frontend* fe, u16* strength) -{ - /* Calculate Strength from SNR up to 35dB */ - /* Even though the SNR can go higher than 35dB, there is some comfort */ - /* factor in having a range of strong signals that can show at 100% */ - struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv; - u16 snr; - int ret; - - ret = fe->ops.read_snr(fe, &snr); - if (ret != 0) - return ret; - /* Rather than use the 8.8 value snr, use state->snr which is 8.24 */ - /* scale the range 0 - 35*2^24 into 0 - 65535 */ - if (state->snr >= 8960 * 0x10000) - *strength = 0xffff; - else - *strength = state->snr / 8960; - - return 0; -} - -static int lgdt330x_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* fe_tune_settings) +static int +lgdt330x_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *fe_tune_settings) { /* I have no idea about this - it may not be needed */ fe_tune_settings->min_delay_ms = 500; @@ -718,43 +845,63 @@ static int lgdt330x_get_tune_settings(struct dvb_frontend* fe, struct dvb_fronte return 0; } -static void lgdt330x_release(struct dvb_frontend* fe) +static void lgdt330x_release(struct dvb_frontend *fe) { - struct lgdt330x_state* state = (struct lgdt330x_state*) fe->demodulator_priv; - kfree(state); + struct lgdt330x_state *state = fe->demodulator_priv; + struct i2c_client *client = state->client; + + dev_dbg(&client->dev, "\n"); + + i2c_unregister_device(client); +} + +static struct dvb_frontend *lgdt330x_get_dvb_frontend(struct i2c_client *client) +{ + struct lgdt330x_state *state = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + return &state->frontend; } static const struct dvb_frontend_ops lgdt3302_ops; static const struct dvb_frontend_ops lgdt3303_ops; -struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, - struct i2c_adapter* i2c) +static int lgdt330x_probe(struct i2c_client *client, + const struct i2c_device_id *id) { - struct lgdt330x_state* state = NULL; + struct lgdt330x_state *state = NULL; u8 buf[1]; /* Allocate memory for the internal state */ - state = kzalloc(sizeof(struct lgdt330x_state), GFP_KERNEL); - if (state == NULL) + state = kzalloc(sizeof(*state), GFP_KERNEL); + if (!state) goto error; /* Setup the state */ - state->config = config; - state->i2c = i2c; + memcpy(&state->config, client->dev.platform_data, + sizeof(state->config)); + i2c_set_clientdata(client, state); + state->client = client; /* Create dvb_frontend */ - switch (config->demod_chip) { + switch (state->config.demod_chip) { case LGDT3302: - memcpy(&state->frontend.ops, &lgdt3302_ops, sizeof(struct dvb_frontend_ops)); + memcpy(&state->frontend.ops, &lgdt3302_ops, + sizeof(struct dvb_frontend_ops)); break; case LGDT3303: - memcpy(&state->frontend.ops, &lgdt3303_ops, sizeof(struct dvb_frontend_ops)); + memcpy(&state->frontend.ops, &lgdt3303_ops, + sizeof(struct dvb_frontend_ops)); break; default: goto error; } state->frontend.demodulator_priv = state; + /* Setup get frontend callback */ + state->config.get_dvb_frontend = lgdt330x_get_dvb_frontend; + /* Verify communication with demod chip */ if (i2c_read_demod_bytes(state, 2, buf, 1)) goto error; @@ -762,21 +909,44 @@ struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, state->current_frequency = -1; state->current_modulation = -1; - return &state->frontend; + dev_info(&state->client->dev, + "Demod loaded for LGDT330%s chip\n", + state->config.demod_chip == LGDT3302 ? "2" : "3"); + + return 0; error: kfree(state); - dprintk("%s: ERROR\n",__func__); - return NULL; + if (debug) + dev_printk(KERN_DEBUG, &client->dev, "Error loading lgdt330x driver\n"); + return -ENODEV; +} +struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *_config, + u8 demod_address, + struct i2c_adapter *i2c) +{ + struct i2c_client *client; + struct i2c_board_info board_info = {}; + struct lgdt330x_config config = *_config; + + strlcpy(board_info.type, "lgdt330x", sizeof(board_info.type)); + board_info.addr = demod_address; + board_info.platform_data = &config; + client = i2c_new_device(i2c, &board_info); + if (!client || !client->dev.driver) + return NULL; + + return lgdt330x_get_dvb_frontend(client); } +EXPORT_SYMBOL(lgdt330x_attach); static const struct dvb_frontend_ops lgdt3302_ops = { .delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B }, .info = { - .name= "LG Electronics LGDT3302 VSB/QAM Frontend", - .frequency_min= 54000000, - .frequency_max= 858000000, - .frequency_stepsize= 62500, + .name = "LG Electronics LGDT3302 VSB/QAM Frontend", + .frequency_min = 54000000, + .frequency_max = 858000000, + .frequency_stepsize = 62500, .symbol_rate_min = 5056941, /* QAM 64 */ .symbol_rate_max = 10762000, /* VSB 8 */ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB @@ -786,9 +956,8 @@ static const struct dvb_frontend_ops lgdt3302_ops = { .get_frontend = lgdt330x_get_frontend, .get_tune_settings = lgdt330x_get_tune_settings, .read_status = lgdt3302_read_status, - .read_ber = lgdt330x_read_ber, .read_signal_strength = lgdt330x_read_signal_strength, - .read_snr = lgdt3302_read_snr, + .read_snr = lgdt330x_read_snr, .read_ucblocks = lgdt330x_read_ucblocks, .release = lgdt330x_release, }; @@ -796,10 +965,10 @@ static const struct dvb_frontend_ops lgdt3302_ops = { static const struct dvb_frontend_ops lgdt3303_ops = { .delsys = { SYS_ATSC, SYS_DVBC_ANNEX_B }, .info = { - .name= "LG Electronics LGDT3303 VSB/QAM Frontend", - .frequency_min= 54000000, - .frequency_max= 858000000, - .frequency_stepsize= 62500, + .name = "LG Electronics LGDT3303 VSB/QAM Frontend", + .frequency_min = 54000000, + .frequency_max = 858000000, + .frequency_stepsize = 62500, .symbol_rate_min = 5056941, /* QAM 64 */ .symbol_rate_max = 10762000, /* VSB 8 */ .caps = FE_CAN_QAM_64 | FE_CAN_QAM_256 | FE_CAN_8VSB @@ -809,15 +978,42 @@ static const struct dvb_frontend_ops lgdt3303_ops = { .get_frontend = lgdt330x_get_frontend, .get_tune_settings = lgdt330x_get_tune_settings, .read_status = lgdt3303_read_status, - .read_ber = lgdt330x_read_ber, .read_signal_strength = lgdt330x_read_signal_strength, - .read_snr = lgdt3303_read_snr, + .read_snr = lgdt330x_read_snr, .read_ucblocks = lgdt330x_read_ucblocks, .release = lgdt330x_release, }; +static int lgdt330x_remove(struct i2c_client *client) +{ + struct lgdt330x_state *state = i2c_get_clientdata(client); + + dev_dbg(&client->dev, "\n"); + + kfree(state); + + return 0; +} + +static const struct i2c_device_id lgdt330x_id_table[] = { + {"lgdt330x", 0}, + {} +}; +MODULE_DEVICE_TABLE(i2c, lgdt330x_id_table); + +static struct i2c_driver lgdt330x_driver = { + .driver = { + .name = "lgdt330x", + .suppress_bind_attrs = true, + }, + .probe = lgdt330x_probe, + .remove = lgdt330x_remove, + .id_table = lgdt330x_id_table, +}; + +module_i2c_driver(lgdt330x_driver); + + MODULE_DESCRIPTION("LGDT330X (ATSC 8VSB & ITU-T J.83 AnnexB 64/256 QAM) Demodulator Driver"); MODULE_AUTHOR("Wilson Michaels"); MODULE_LICENSE("GPL"); - -EXPORT_SYMBOL(lgdt330x_attach); diff --git a/drivers/media/dvb-frontends/lgdt330x.h b/drivers/media/dvb-frontends/lgdt330x.h index 61434cbecd2c..8ab6b39d02a8 100644 --- a/drivers/media/dvb-frontends/lgdt330x.h +++ b/drivers/media/dvb-frontends/lgdt330x.h @@ -26,34 +26,41 @@ typedef enum lg_chip_t { LGDT3303 }lg_chip_type; +/** + * struct lgdt330x_config - contains lgdt330x configuration + * + * @demod_chip: LG demodulator chip LGDT3302 or LGDT3303 + * @serial_mpeg: MPEG hardware interface - 0:parallel 1:serial + * @pll_rf_set: Callback function to set PLL interface + * @set_ts_params: Callback function to set device param for start_dma + * @clock_polarity_flip: + * Flip the polarity of the mpeg data transfer clock using alternate + * init data. + * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled + * @get_dvb_frontend: + * returns the frontend associated with this I2C client. + * Filled by the driver. + */ struct lgdt330x_config { - /* The demodulator's i2c address */ - u8 demod_address; - - /* LG demodulator chip LGDT3302 or LGDT3303 */ lg_chip_type demod_chip; - - /* MPEG hardware interface - 0:parallel 1:serial */ int serial_mpeg; - - /* PLL interface */ int (*pll_rf_set) (struct dvb_frontend* fe, int index); - - /* Need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); - - /* Flip the polarity of the mpeg data transfer clock using alternate init data - * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */ int clock_polarity_flip; + + struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); }; #if IS_REACHABLE(CONFIG_DVB_LGDT330X) -extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, - struct i2c_adapter* i2c); +struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, + u8 demod_address, + struct i2c_adapter *i2c); #else -static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config, - struct i2c_adapter* i2c) +static inline +struct dvb_frontend *lgdt330x_attach(const struct lgdt330x_config *config, + u8 demod_address, + struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c index 36e95196dff4..c3b1b88e2e7a 100644 --- a/drivers/media/dvb-frontends/mb86a20s.c +++ b/drivers/media/dvb-frontends/mb86a20s.c @@ -2055,7 +2055,7 @@ static void mb86a20s_release(struct dvb_frontend *fe) kfree(state); } -static int mb86a20s_get_frontend_algo(struct dvb_frontend *fe) +static enum dvbfe_algo mb86a20s_get_frontend_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c index 483ee7d6198e..274d8fca0763 100644 --- a/drivers/media/dvb-frontends/mxl5xx.c +++ b/drivers/media/dvb-frontends/mxl5xx.c @@ -375,7 +375,7 @@ static void release(struct dvb_frontend *fe) kfree(state); } -static int get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/s921.c b/drivers/media/dvb-frontends/s921.c index 2d75ede77aca..6c9015236655 100644 --- a/drivers/media/dvb-frontends/s921.c +++ b/drivers/media/dvb-frontends/s921.c @@ -464,7 +464,7 @@ static int s921_tune(struct dvb_frontend *fe, return rc; } -static int s921_get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo s921_get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } diff --git a/drivers/media/dvb-frontends/stv0910.c b/drivers/media/dvb-frontends/stv0910.c index 52355c14fd64..41444fa1c0bb 100644 --- a/drivers/media/dvb-frontends/stv0910.c +++ b/drivers/media/dvb-frontends/stv0910.c @@ -1200,7 +1200,6 @@ static int probe(struct stv *state) write_reg(state, RSTV0910_P1_TSCFGM, 0xC0); /* Manual speed */ write_reg(state, RSTV0910_P1_TSCFGL, 0x20); - /* Speed = 67.5 MHz */ write_reg(state, RSTV0910_P1_TSSPEED, state->tsspeed); write_reg(state, RSTV0910_P2_TSCFGH, state->tscfgh | 0x01); @@ -1208,7 +1207,6 @@ static int probe(struct stv *state) write_reg(state, RSTV0910_P2_TSCFGM, 0xC0); /* Manual speed */ write_reg(state, RSTV0910_P2_TSCFGL, 0x20); - /* Speed = 67.5 MHz */ write_reg(state, RSTV0910_P2_TSSPEED, state->tsspeed); /* Reset stream merger */ @@ -1220,6 +1218,12 @@ static int probe(struct stv *state) write_reg(state, RSTV0910_P1_I2CRPT, state->i2crpt); write_reg(state, RSTV0910_P2_I2CRPT, state->i2crpt); + write_reg(state, RSTV0910_P1_TSINSDELM, 0x17); + write_reg(state, RSTV0910_P1_TSINSDELL, 0xff); + + write_reg(state, RSTV0910_P2_TSINSDELM, 0x17); + write_reg(state, RSTV0910_P2_TSINSDELL, 0xff); + init_diseqc(state); return 0; } @@ -1320,7 +1324,7 @@ static int read_snr(struct dvb_frontend *fe) if (!get_signal_to_noise(state, &snrval)) { p->cnr.stat[0].scale = FE_SCALE_DECIBEL; - p->cnr.stat[0].uvalue = 100 * snrval; /* fix scale */ + p->cnr.stat[0].svalue = 100 * snrval; /* fix scale */ } else { p->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; } @@ -1633,7 +1637,7 @@ static int tune(struct dvb_frontend *fe, bool re_tune, return 0; } -static int get_algo(struct dvb_frontend *fe) +static enum dvbfe_algo get_algo(struct dvb_frontend *fe) { return DVBFE_ALGO_HW; } @@ -1784,7 +1788,8 @@ struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c, state->tscfgh = 0x20 | (cfg->parallel ? 0 : 0x40); state->tsgeneral = (cfg->parallel == 2) ? 0x02 : 0x00; state->i2crpt = 0x0A | ((cfg->rptlvl & 0x07) << 4); - state->tsspeed = 0x28; + /* use safe tsspeed value if unspecified through stv0910_cfg */ + state->tsspeed = (cfg->tsspeed ? cfg->tsspeed : 0x28); state->nr = nr; state->regoff = state->nr ? 0 : 0x200; state->search_range = 16000000; diff --git a/drivers/media/dvb-frontends/stv0910.h b/drivers/media/dvb-frontends/stv0910.h index fccd8d9b665f..f37171b7a2de 100644 --- a/drivers/media/dvb-frontends/stv0910.h +++ b/drivers/media/dvb-frontends/stv0910.h @@ -10,6 +10,7 @@ struct stv0910_cfg { u8 parallel; u8 rptlvl; u8 single; + u8 tsspeed; }; #if IS_REACHABLE(CONFIG_DVB_STV0910) diff --git a/drivers/media/dvb-frontends/tc90522.c b/drivers/media/dvb-frontends/tc90522.c index 5572b39614d5..7abf6b0916ed 100644 --- a/drivers/media/dvb-frontends/tc90522.c +++ b/drivers/media/dvb-frontends/tc90522.c @@ -1,17 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Toshiba TC90522 Demodulator * * Copyright (C) 2014 Akihiro Tsukada <tskd08@gmail.com> - * - * 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 version 2. - * - * - * 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. */ /* @@ -352,7 +343,7 @@ static int tc90522t_get_frontend(struct dvb_frontend *fe, mode = 1; ret = reg_read(state, 0xb0, val, 1); if (ret == 0) { - mode = (val[0] & 0xc0) >> 2; + mode = (val[0] & 0xc0) >> 6; c->transmission_mode = tm_conv[mode]; c->guard_interval = (val[0] & 0x30) >> 4; } @@ -379,7 +370,7 @@ static int tc90522t_get_frontend(struct dvb_frontend *fe, } /* layer B */ - v = (val[3] & 0x03) << 1 | (val[4] & 0xc0) >> 6; + v = (val[3] & 0x03) << 2 | (val[4] & 0xc0) >> 6; if (v == 0x0f) c->layer[1].segment_count = 0; else { diff --git a/drivers/media/dvb-frontends/tc90522.h b/drivers/media/dvb-frontends/tc90522.h index 10e585f32499..ac0e2ab51924 100644 --- a/drivers/media/dvb-frontends/tc90522.h +++ b/drivers/media/dvb-frontends/tc90522.h @@ -1,17 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * Toshiba TC90522 Demodulator * * Copyright (C) 2014 Akihiro Tsukada <tskd08@gmail.com> - * - * 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 version 2. - * - * - * 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. */ /* |