From 676c350f97366f648dbe7f7f8202a695d946f764 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Wed, 27 Aug 2014 03:59:27 -0300 Subject: [PATCH] [media] it913x: re-implement sleep Re-implement sleep. Based USB sniffs taken from the latest Hauppauge windows driver version 07/10/2014, 14.6.23.32191. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/tuners/it913x.c | 76 +++++++++++++++++++++++++++-------- drivers/media/tuners/it913x.h | 10 ++++- drivers/media/tuners/it913x_priv.h | 27 ------------- drivers/media/usb/dvb-usb-v2/af9035.c | 14 +++++++ 4 files changed, 83 insertions(+), 44 deletions(-) diff --git a/drivers/media/tuners/it913x.c b/drivers/media/tuners/it913x.c index f3e212c..11d391a 100644 --- a/drivers/media/tuners/it913x.c +++ b/drivers/media/tuners/it913x.c @@ -26,7 +26,8 @@ struct it913x_dev { struct i2c_client *client; struct regmap *regmap; struct dvb_frontend *fe; - u8 chip_ver; + u8 chip_ver:2; + u8 role:2; u8 firmware_ver; u16 tun_xtal; u8 tun_fdiv; @@ -122,6 +123,62 @@ static int it913x_init(struct dvb_frontend *fe) return regmap_write(dev->regmap, 0x80ed81, val); } +static int it913x_sleep(struct dvb_frontend *fe) +{ + struct it913x_dev *dev = fe->tuner_priv; + int ret, len; + + dev_dbg(&dev->client->dev, "role=%u\n", dev->role); + + ret = regmap_bulk_write(dev->regmap, 0x80ec40, "\x00", 1); + if (ret) + goto err; + + /* + * Writing '0x00' to master tuner register '0x80ec08' causes slave tuner + * communication lost. Due to that, we cannot put master full sleep. + */ + if (dev->role == IT913X_ROLE_DUAL_MASTER) + len = 4; + else + len = 15; + + dev_dbg(&dev->client->dev, "role=%u len=%d\n", dev->role, len); + + ret = regmap_bulk_write(dev->regmap, 0x80ec02, + "\x3f\x1f\x3f\x3e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", + len); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap, 0x80ec12, "\x00\x00\x00\x00", 4); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap, 0x80ec17, + "\x00\x00\x00\x00\x00\x00\x00\x00\x00", 9); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap, 0x80ec22, + "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 10); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap, 0x80ec20, "\x00", 1); + if (ret) + goto err; + + ret = regmap_bulk_write(dev->regmap, 0x80ec3f, "\x01", 1); + if (ret) + goto err; + + return 0; +err: + dev_dbg(&dev->client->dev, "failed %d\n", ret); + return ret; +} + static int it9137_set_params(struct dvb_frontend *fe) { struct it913x_dev *dev = fe->tuner_priv; @@ -274,20 +331,6 @@ static int it9137_set_params(struct dvb_frontend *fe) return (ret < 0) ? -ENODEV : 0; } -/* Power sequence */ -/* Power Up Tuner on -> Frontend suspend off -> Tuner clk on */ -/* Power Down Frontend suspend on -> Tuner clk off -> Tuner off */ - -static int it913x_sleep(struct dvb_frontend *fe) -{ - struct it913x_dev *dev = fe->tuner_priv; - - if (dev->chip_ver == 0x01) - return it913x_script_loader(dev, it9135ax_tuner_off); - else - return it913x_script_loader(dev, it9137_tuner_off); -} - static const struct dvb_tuner_ops it913x_tuner_ops = { .info = { .name = "ITE Tech IT913X", @@ -323,6 +366,7 @@ static int it913x_probe(struct i2c_client *client, dev->client = client; dev->fe = cfg->fe; dev->chip_ver = cfg->chip_ver; + dev->role = cfg->role; dev->firmware_ver = 1; dev->regmap = regmap_init_i2c(client, ®map_config); if (IS_ERR(dev->regmap)) { @@ -349,7 +393,7 @@ static int it913x_probe(struct i2c_client *client, dev_info(&dev->client->dev, "ITE IT913X %s successfully attached\n", chip_ver_str); - dev_dbg(&dev->client->dev, "chip_ver=%02x\n", dev->chip_ver); + dev_dbg(&dev->client->dev, "chip_ver=%u role=%u\n", dev->chip_ver, dev->role); return 0; err_regmap_exit: diff --git a/drivers/media/tuners/it913x.h b/drivers/media/tuners/it913x.h index 9789c4d..33de53d 100644 --- a/drivers/media/tuners/it913x.h +++ b/drivers/media/tuners/it913x.h @@ -40,7 +40,15 @@ struct it913x_config { * 1 = IT9135 AX * 2 = IT9135 BX */ - u8 chip_ver:2; + unsigned int chip_ver:2; + + /* + * tuner role + */ +#define IT913X_ROLE_SINGLE 0 +#define IT913X_ROLE_DUAL_MASTER 1 +#define IT913X_ROLE_DUAL_SLAVE 2 + unsigned int role:2; }; #endif diff --git a/drivers/media/tuners/it913x_priv.h b/drivers/media/tuners/it913x_priv.h index 3ed2d3c..41f9b2a 100644 --- a/drivers/media/tuners/it913x_priv.h +++ b/drivers/media/tuners/it913x_priv.h @@ -33,33 +33,6 @@ struct it913xset { u32 address; u8 count; }; -/* Tuner setting scripts for IT9135 AX */ -static struct it913xset it9135ax_tuner_off[] = { - {0x80ec40, {0x00}, 0x01}, /* Power Down Tuner */ - {0x80ec02, {0x3f}, 0x01}, - {0x80ec03, {0x1f}, 0x01}, - {0x80ec04, {0x3f}, 0x01}, - {0x80ec05, {0x3f}, 0x01}, - {0x80ec3f, {0x01}, 0x01}, - {0x000000, {0x00}, 0x00}, /* Terminating Entry */ -}; - -/* Tuner setting scripts (still keeping it9137) */ -static struct it913xset it9137_tuner_off[] = { - {0x80ec40, {0x00}, 0x01}, /* Power Down Tuner */ - {0x80ec02, {0x3f, 0x1f, 0x3f, 0x3f}, 0x04}, - {0x80ec06, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00}, 0x0c}, - {0x80ec12, {0x00, 0x00, 0x00, 0x00}, 0x04}, - {0x80ec17, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00}, 0x09}, - {0x80ec22, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00}, 0x0a}, - {0x80ec20, {0x00}, 0x01}, - {0x80ec3f, {0x01}, 0x01}, - {0x000000, {0x00}, 0x00}, /* Terminating Entry */ -}; - static struct it913xset set_it9135_template[] = { {0x80ee06, {0x00}, 0x01}, {0x80ec56, {0x00}, 0x01}, diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 1a5b600..533c96e 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1324,6 +1324,13 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap) .chip_ver = 1, }; + if (state->dual_mode) { + if (adap->id == 0) + it913x_config.role = IT913X_ROLE_DUAL_MASTER; + else + it913x_config.role = IT913X_ROLE_DUAL_SLAVE; + } + ret = af9035_add_i2c_dev(d, "it913x", state->af9033_config[adap->id].i2c_addr, &it913x_config); @@ -1342,6 +1349,13 @@ static int af9035_tuner_attach(struct dvb_usb_adapter *adap) .chip_ver = 2, }; + if (state->dual_mode) { + if (adap->id == 0) + it913x_config.role = IT913X_ROLE_DUAL_MASTER; + else + it913x_config.role = IT913X_ROLE_DUAL_SLAVE; + } + ret = af9035_add_i2c_dev(d, "it913x", state->af9033_config[adap->id].i2c_addr, &it913x_config); -- 2.7.4