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path: root/drivers/media/dvb/frontends/au8522_decoder.c
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Diffstat (limited to 'drivers/media/dvb/frontends/au8522_decoder.c')
-rw-r--r--drivers/media/dvb/frontends/au8522_decoder.c51
1 files changed, 25 insertions, 26 deletions
diff --git a/drivers/media/dvb/frontends/au8522_decoder.c b/drivers/media/dvb/frontends/au8522_decoder.c
index 6d9c5943eb3..b537891a4cc 100644
--- a/drivers/media/dvb/frontends/au8522_decoder.c
+++ b/drivers/media/dvb/frontends/au8522_decoder.c
@@ -278,10 +278,18 @@ static void setup_decoder_defaults(struct au8522_state *state, u8 input_mode)
AU8522_TVDEC_COMB_HDIF_THR2_REG06AH_CVBS);
au8522_writereg(state, AU8522_TVDEC_COMB_HDIF_THR3_REG06BH,
AU8522_TVDEC_COMB_HDIF_THR3_REG06BH_CVBS);
- au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH,
- AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS);
- au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH,
- AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS);
+ if (input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13 ||
+ input_mode == AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH24) {
+ au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH,
+ AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_SVIDEO);
+ au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH,
+ AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_SVIDEO);
+ } else {
+ au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH,
+ AU8522_TVDEC_COMB_DCDIF_THR1_REG06CH_CVBS);
+ au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH,
+ AU8522_TVDEC_COMB_DCDIF_THR2_REG06DH_CVBS);
+ }
au8522_writereg(state, AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH,
AU8522_TVDEC_COMB_DCDIF_THR3_REG06EH_CVBS);
au8522_writereg(state, AU8522_TVDEC_UV_SEP_THR_REG06FH,
@@ -347,9 +355,11 @@ static void au8522_setup_cvbs_mode(struct au8522_state *state)
au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H,
AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS);
+ /* PGA in automatic mode */
au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
- au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e);
- au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10);
+
+ /* Enable clamping control */
+ au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);
au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H,
AU8522_INPUT_CONTROL_REG081H_CVBS_CH1);
@@ -366,14 +376,14 @@ static void au8522_setup_cvbs_tuner_mode(struct au8522_state *state)
au8522_writereg(state, AU8522_MODULE_CLOCK_CONTROL_REG0A3H,
AU8522_MODULE_CLOCK_CONTROL_REG0A3H_CVBS);
- /* It's not clear why they turn off the PGA before enabling the clamp
- control, but the Windows trace does it so we will too... */
+ /* It's not clear why we have to have the PGA in automatic mode while
+ enabling clamp control, but it's what Windows does */
au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
/* Enable clamping control */
au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x0e);
- /* Turn on the PGA */
+ /* Disable automatic PGA (since the CVBS is coming from the tuner) */
au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x10);
/* Set input mode to CVBS on channel 4 with SIF audio input enabled */
@@ -396,7 +406,10 @@ static void au8522_setup_svideo_mode(struct au8522_state *state)
au8522_writereg(state, AU8522_INPUT_CONTROL_REG081H,
AU8522_INPUT_CONTROL_REG081H_SVIDEO_CH13);
- /* Disable clamping control (required for S-video) */
+ /* PGA in automatic mode */
+ au8522_writereg(state, AU8522_PGA_CONTROL_REG082H, 0x00);
+
+ /* Enable clamping control */
au8522_writereg(state, AU8522_CLAMPING_CONTROL_REG083H, 0x00);
setup_decoder_defaults(state,
@@ -410,29 +423,15 @@ static void au8522_setup_svideo_mode(struct au8522_state *state)
static void disable_audio_input(struct au8522_state *state)
{
- /* This can probably be optimized */
au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x00);
au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x00);
au8522_writereg(state, AU8522_AUDIO_VOLUME_REG0F4H, 0x00);
- au8522_writereg(state, AU8522_I2C_CONTROL_REG1_REG091H, 0x80);
- au8522_writereg(state, AU8522_I2C_CONTROL_REG0_REG090H, 0x84);
-
- au8522_writereg(state, AU8522_ENA_USB_REG101H, 0x00);
- au8522_writereg(state, AU8522_AUDIO_VOLUME_L_REG0F2H, 0x7F);
- au8522_writereg(state, AU8522_AUDIO_VOLUME_R_REG0F3H, 0x7F);
- au8522_writereg(state, AU8522_REG0F9H, AU8522_REG0F9H_AUDIO);
- au8522_writereg(state, AU8522_AUDIO_MODE_REG0F1H, 0x40);
-
- au8522_writereg(state, AU8522_GPIO_DATA_REG0E2H, 0x11);
- msleep(5);
- au8522_writereg(state, AU8522_GPIO_DATA_REG0E2H, 0x00);
au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_1_REG0A5H, 0x04);
- au8522_writereg(state, AU8522_AUDIOFREQ_REG606H, 0x03);
au8522_writereg(state, AU8522_I2S_CTRL_2_REG112H, 0x02);
au8522_writereg(state, AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H,
- AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_CVBS);
+ AU8522_SYSTEM_MODULE_CONTROL_0_REG0A4H_SVIDEO);
}
/* 0=disable, 1=SIF */
@@ -622,7 +621,7 @@ static int au8522_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
return v4l2_ctrl_query_fill(qc, 0, 255, 1,
AU8522_TVDEC_CONTRAST_REG00BH_CVBS);
case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
+ return v4l2_ctrl_query_fill(qc, 0, 255, 1, 109);
case V4L2_CID_SATURATION:
return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
case V4L2_CID_HUE: