V4L/DVB (4005): Add support for the cx25836/7 video decoder.

Signed-off-by: Scott Alfter <salfter@ssai.us>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

drivers/media/video/cx25840/cx25840-audio.c

@@ -31,6 +31,7 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 		return -EINVAL;
 
 	/* assert soft reset */
+	if (!state->is_cx25836)
 		cx25840_and_or(client, 0x810, ~0x1, 0x01);
 
 	/* common for all inputs and rates */
@@ -46,6 +47,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0xee39bb01);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src3/4/6_ctl = 0x0801f77f */
 			cx25840_write4(client, 0x900, 0x7ff70108);
 			cx25840_write4(client, 0x904, 0x7ff70108);
@@ -59,6 +63,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0xd66bec00);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src3/4/6_ctl = 0x08016d59 */
 			cx25840_write4(client, 0x900, 0x596d0108);
 			cx25840_write4(client, 0x904, 0x596d0108);
@@ -72,6 +79,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0xe5d69800);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src3/4/6_ctl = 0x08014faa */
 			cx25840_write4(client, 0x900, 0xaa4f0108);
 			cx25840_write4(client, 0x904, 0xaa4f0108);
@@ -87,6 +97,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0x69082a01);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src1_ctl = 0x08010000 */
 			cx25840_write4(client, 0x8f8, 0x00000108);
 
@@ -106,6 +119,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0xd66bec00);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src1_ctl = 0x08010000 */
 			cx25840_write4(client, 0x8f8, 0xcd600108);
 
@@ -122,6 +138,9 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 			/* AUX_PLL_FRAC */
 			cx25840_write4(client, 0x110, 0xe5d69800);
 
+			if (state->is_cx25836)
+				break;
+
 			/* src1_ctl = 0x08010000 */
 			cx25840_write4(client, 0x8f8, 0x00800108);
 
@@ -134,6 +153,7 @@ static int set_audclk_freq(struct i2c_client *client, u32 freq)
 	}
 
 	/* deassert soft reset */
+	if (!state->is_cx25836)
 		cx25840_and_or(client, 0x810, ~0x1, 0x00);
 
 	state->audclk_freq = freq;

drivers/media/video/cx25840/cx25840-core.h

@@ -33,12 +33,15 @@
 #define CX25840_CID_ENABLE_PVR150_WORKAROUND (V4L2_CID_PRIVATE_BASE+0)
 
 struct cx25840_state {
+	struct i2c_client c;
 	int pvr150_workaround;
 	int radio;
 	enum cx25840_video_input vid_input;
 	enum cx25840_audio_input aud_input;
 	u32 audclk_freq;
 	int audmode;
+	enum v4l2_chip_ident id;
+	int is_cx25836;
 };
 
 /* ----------------------------------------------------------------------- */
@@ -47,7 +50,7 @@ int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
 u8 cx25840_read(struct i2c_client *client, u16 addr);
 u32 cx25840_read4(struct i2c_client *client, u16 addr);
-int cx25840_and_or(struct i2c_client *client, u16 addr, u8 mask, u8 value);
+int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
 v4l2_std_id cx25840_get_v4lstd(struct i2c_client *client);
 
 /* ----------------------------------------------------------------------- */

include/media/v4l2-common.h

@@ -112,6 +112,8 @@ enum v4l2_chip_ident {
 	V4L2_IDENT_SAA7129 = 159,
 
 	/* module cx25840: reserved range 200-249 */
+	V4L2_IDENT_CX25836 = 236,
+	V4L2_IDENT_CX25837 = 237,
 	V4L2_IDENT_CX25840 = 240,
 	V4L2_IDENT_CX25841 = 241,
 	V4L2_IDENT_CX25842 = 242,