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[3/4] tda18212: add experimental support for ATSC (tda18272)

Message ID 1393875438-1916-3-git-send-email-m.chehab@samsung.com (mailing list archive)
State New, archived
Headers show

Commit Message

Mauro Carvalho Chehab March 3, 2014, 7:37 p.m. UTC 
Add experimental support for ATSC. Currently, only 8VSB
was tested.

Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
---
 drivers/media/tuners/tda18212.c | 12 ++++++++++++
 drivers/media/tuners/tda18212.h |  2 ++
 2 files changed, 14 insertions(+)
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Patch

diff --git a/drivers/media/tuners/tda18212.c b/drivers/media/tuners/tda18212.c
index abe256e1f843..6adf32216165 100644
--- a/drivers/media/tuners/tda18212.c
+++ b/drivers/media/tuners/tda18212.c
@@ -150,6 +150,8 @@  static int tda18212_set_params(struct dvb_frontend *fe)
 	#define DVBT2_8  5
 	#define DVBC_6   6
 	#define DVBC_8   7
+	#define ATSC_VSB 8
+	#define ATSC_QAM 9
 	static const u8 bw_params[][3] = {
 		     /* reg:   0f    13    23 */
 		[DVBT_6]  = { 0xb3, 0x20, 0x03 },
@@ -160,6 +162,8 @@  static int tda18212_set_params(struct dvb_frontend *fe)
 		[DVBT2_8] = { 0xbc, 0x22, 0x01 },
 		[DVBC_6]  = { 0x92, 0x50, 0x03 },
 		[DVBC_8]  = { 0x92, 0x53, 0x03 },
+		[ATSC_VSB] = { 0x7d, 0x20, 0x63 },
+		[ATSC_QAM] = { 0x7d, 0x20, 0x63 },	/* FIXME */
 	};
 
 	dev_dbg(&priv->i2c->dev,
@@ -171,6 +175,14 @@  static int tda18212_set_params(struct dvb_frontend *fe)
 		fe->ops.i2c_gate_ctrl(fe, 1); /* open I2C-gate */
 
 	switch (c->delivery_system) {
+	case SYS_ATSC:
+		if_khz = priv->cfg->if_atsc_vsb;
+		i = ATSC_VSB;
+		break;
+	case SYS_DVBC_ANNEX_B:
+		if_khz = priv->cfg->if_atsc_qam;
+		i = ATSC_QAM;
+		break;
 	case SYS_DVBT:
 		switch (c->bandwidth_hz) {
 		case 6000000:
diff --git a/drivers/media/tuners/tda18212.h b/drivers/media/tuners/tda18212.h
index 7e0d503baf05..c36b49e4b274 100644
--- a/drivers/media/tuners/tda18212.h
+++ b/drivers/media/tuners/tda18212.h
@@ -35,6 +35,8 @@  struct tda18212_config {
 	u16 if_dvbt2_7;
 	u16 if_dvbt2_8;
 	u16 if_dvbc;
+	u16 if_atsc_vsb;
+	u16 if_atsc_qam;
 };
 
 #if IS_ENABLED(CONFIG_MEDIA_TUNER_TDA18212)