[media] e4000: implement controls via v4l2 control framework

Implement gain and bandwidth controls using v4l2 control framework.

Cc: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 77 insertions, 0 deletions

diff --git a/drivers/media/tuners/e4000_priv.h b/drivers/media/tuners/e4000_priv.h
index 8f45a300f688..e2ad54f52280 100644
--- a/drivers/media/tuners/e4000_priv.h
+++ b/drivers/media/tuners/e4000_priv.h
@@ -22,11 +22,25 @@
 #define E4000_PRIV_H
 
 #include "e4000.h"
+#include <media/v4l2-ctrls.h>
+#include <media/v4l2-subdev.h>
 
 struct e4000_priv {
         struct i2c_client *client;
         u32 clock;
         struct dvb_frontend *fe;
+        struct v4l2_subdev sd;
+
+        /* Controls */
+        struct v4l2_ctrl_handler hdl;
+        struct v4l2_ctrl *bandwidth_auto;
+        struct v4l2_ctrl *bandwidth;
+        struct v4l2_ctrl *lna_gain_auto;
+        struct v4l2_ctrl *lna_gain;
+        struct v4l2_ctrl *mixer_gain_auto;
+        struct v4l2_ctrl *mixer_gain;
+        struct v4l2_ctrl *if_gain_auto;
+        struct v4l2_ctrl *if_gain;
 };
 
 struct e4000_pll {
@@ -145,4 +159,67 @@ static const struct e4000_if_filter e4000_if_filter_lut[] = {
         { 0xffffffff, 0x00, 0x20 },
 };
 
+struct e4000_if_gain {
+        u8 reg16_val;
+        u8 reg17_val;
+};
+
+static const struct e4000_if_gain e4000_if_gain_lut[] = {
+        {0x00, 0x00},
+        {0x20, 0x00},
+        {0x40, 0x00},
+        {0x02, 0x00},
+        {0x22, 0x00},
+        {0x42, 0x00},
+        {0x04, 0x00},
+        {0x24, 0x00},
+        {0x44, 0x00},
+        {0x01, 0x00},
+        {0x21, 0x00},
+        {0x41, 0x00},
+        {0x03, 0x00},
+        {0x23, 0x00},
+        {0x43, 0x00},
+        {0x05, 0x00},
+        {0x25, 0x00},
+        {0x45, 0x00},
+        {0x07, 0x00},
+        {0x27, 0x00},
+        {0x47, 0x00},
+        {0x0f, 0x00},
+        {0x2f, 0x00},
+        {0x4f, 0x00},
+        {0x17, 0x00},
+        {0x37, 0x00},
+        {0x57, 0x00},
+        {0x1f, 0x00},
+        {0x3f, 0x00},
+        {0x5f, 0x00},
+        {0x1f, 0x01},
+        {0x3f, 0x01},
+        {0x5f, 0x01},
+        {0x1f, 0x02},
+        {0x3f, 0x02},
+        {0x5f, 0x02},
+        {0x1f, 0x03},
+        {0x3f, 0x03},
+        {0x5f, 0x03},
+        {0x1f, 0x04},
+        {0x3f, 0x04},
+        {0x5f, 0x04},
+        {0x1f, 0x0c},
+        {0x3f, 0x0c},
+        {0x5f, 0x0c},
+        {0x1f, 0x14},
+        {0x3f, 0x14},
+        {0x5f, 0x14},
+        {0x1f, 0x1c},
+        {0x3f, 0x1c},
+        {0x5f, 0x1c},
+        {0x1f, 0x24},
+        {0x3f, 0x24},
+        {0x5f, 0x24},
+        {0x7f, 0x24},
+};
+
 #endif