From 4902bb39b643437a4c0a339dbf8f3ceb14540be5 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Mon, 7 Jan 2013 09:48:03 -0300 Subject: [PATCH] [media] af9033: support for it913x tuners Add support for tuners integrated to the IT9135 and IT9137. Signed-off-by: Antti Palosaari Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/af9033.c | 34 +++++++++++++++++----------- drivers/media/dvb-frontends/af9033.h | 15 ++++++++++++ 2 files changed, 36 insertions(+), 13 deletions(-) diff --git a/drivers/media/dvb-frontends/af9033.c b/drivers/media/dvb-frontends/af9033.c index c9cad989b8b9..dece775836ac 100644 --- a/drivers/media/dvb-frontends/af9033.c +++ b/drivers/media/dvb-frontends/af9033.c @@ -223,6 +223,7 @@ static int af9033_init(struct dvb_frontend *fe) { 0x80f986, state->ts_mode_parallel, 0x01 }, { 0x00d827, 0x00, 0xff }, { 0x00d829, 0x00, 0xff }, + { 0x800045, state->cfg.adc_multiplier, 0xff }, }; /* program clock control */ @@ -322,6 +323,14 @@ static int af9033_init(struct dvb_frontend *fe) len = ARRAY_SIZE(tuner_init_fc0012); init = tuner_init_fc0012; break; + case AF9033_TUNER_IT9135_38: + case AF9033_TUNER_IT9135_51: + case AF9033_TUNER_IT9135_52: + case AF9033_TUNER_IT9135_60: + case AF9033_TUNER_IT9135_61: + case AF9033_TUNER_IT9135_62: + len = 0; + break; default: dev_dbg(&state->i2c->dev, "%s: unsupported tuner ID=%d\n", __func__, state->cfg.tuner); @@ -498,12 +507,7 @@ static int af9033_set_frontend(struct dvb_frontend *fe) if (spec_inv == -1) freq_cw = 0x800000 - freq_cw; - /* get adc multiplies */ - ret = af9033_rd_reg(state, 0x800045, &tmp); - if (ret < 0) - goto err; - - if (tmp == 1) + if (state->cfg.adc_multiplier == AF9033_ADC_MULTIPLIER_2X) freq_cw /= 2; buf[0] = (freq_cw >> 0) & 0xff; @@ -933,14 +937,18 @@ struct dvb_frontend *af9033_attach(const struct af9033_config *config, "OFDM=%d.%d.%d.%d\n", KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7]); - /* sleep */ - ret = af9033_wr_reg(state, 0x80004c, 1); - if (ret < 0) - goto err; - ret = af9033_wr_reg(state, 0x800000, 0); - if (ret < 0) - goto err; + /* FIXME: Do not abuse adc_multiplier for detecting IT9135 */ + if (state->cfg.adc_multiplier != AF9033_ADC_MULTIPLIER_2X) { + /* sleep */ + ret = af9033_wr_reg(state, 0x80004c, 1); + if (ret < 0) + goto err; + + ret = af9033_wr_reg(state, 0x800000, 0); + if (ret < 0) + goto err; + } /* configure internal TS mode */ switch (state->cfg.ts_mode) { diff --git a/drivers/media/dvb-frontends/af9033.h b/drivers/media/dvb-frontends/af9033.h index 82bd8c1513b6..53fd3040c5f0 100644 --- a/drivers/media/dvb-frontends/af9033.h +++ b/drivers/media/dvb-frontends/af9033.h @@ -35,6 +35,13 @@ struct af9033_config { */ u32 clock; + /* + * ADC multiplier + */ +#define AF9033_ADC_MULTIPLIER_1X 0 +#define AF9033_ADC_MULTIPLIER_2X 1 + u8 adc_multiplier; + /* * tuner */ @@ -44,6 +51,14 @@ struct af9033_config { #define AF9033_TUNER_MXL5007T 0xa0 /* MaxLinear MxL5007T */ #define AF9033_TUNER_TDA18218 0xa1 /* NXP TDA 18218HN */ #define AF9033_TUNER_FC2580 0x32 /* FCI FC2580 */ +/* 50-5f Omega */ +#define AF9033_TUNER_IT9135_38 0x38 /* Omega */ +#define AF9033_TUNER_IT9135_51 0x51 /* Omega LNA config 1 */ +#define AF9033_TUNER_IT9135_52 0x52 /* Omega LNA config 2 */ +/* 60-6f Omega v2 */ +#define AF9033_TUNER_IT9135_60 0x60 /* Omega v2 */ +#define AF9033_TUNER_IT9135_61 0x61 /* Omega v2 LNA config 1 */ +#define AF9033_TUNER_IT9135_62 0x62 /* Omega v2 LNA config 2 */ u8 tuner; /* -- 2.30.2