From 4902bb39b643437a4c0a339dbf8f3ceb14540be5 Mon Sep 17 00:00:00 2001
From: Antti Palosaari <crope@iki.fi>
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 <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---
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;
/*
--
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