From f2fd7ce6f2dbf286fd07fb82109599df741b57d3 Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Sun, 8 Jun 2014 13:54:56 -0300 Subject: [PATCH] [media] au0828/au8522: Add PAL-M support Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb-frontends/au8522_decoder.c | 40 +++++++++++++++++--- drivers/media/dvb-frontends/au8522_priv.h | 1 + drivers/media/usb/au0828/au0828-video.c | 10 +++-- 3 files changed, 41 insertions(+), 10 deletions(-) diff --git a/drivers/media/dvb-frontends/au8522_decoder.c b/drivers/media/dvb-frontends/au8522_decoder.c index b971c20624bf..33aa9410b624 100644 --- a/drivers/media/dvb-frontends/au8522_decoder.c +++ b/drivers/media/dvb-frontends/au8522_decoder.c @@ -248,12 +248,23 @@ static void setup_decoder_defaults(struct au8522_state *state, bool is_svideo) AU8522_TVDEC_COMB_MODE_REG015H_CVBS); au8522_writereg(state, AU8522_TVDED_DBG_MODE_REG060H, AU8522_TVDED_DBG_MODE_REG060H_CVBS); - au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, - AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | - AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | - AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN); - au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, - AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC); + + if (state->std == V4L2_STD_PAL_M) { + au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, + AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | + AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | + AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_AUTO); + au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, + AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_PAL_M); + } else { + /* NTSC */ + au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL1_REG061H, + AU8522_TVDEC_FORMAT_CTRL1_REG061H_FIELD_LEN_525 | + AU8522_TVDEC_FORMAT_CTRL1_REG061H_LINE_LEN_63_492 | + AU8522_TVDEC_FORMAT_CTRL1_REG061H_SUBCARRIER_NTSC_MN); + au8522_writereg(state, AU8522_TVDEC_FORMAT_CTRL2_REG062H, + AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC); + } au8522_writereg(state, AU8522_TVDEC_VCR_DET_LLIM_REG063H, AU8522_TVDEC_VCR_DET_LLIM_REG063H_CVBS); au8522_writereg(state, AU8522_TVDEC_VCR_DET_HLIM_REG064H, @@ -624,6 +635,21 @@ static int au8522_s_video_routing(struct v4l2_subdev *sd, return 0; } +static int au8522_s_std(struct v4l2_subdev *sd, v4l2_std_id std) +{ + struct au8522_state *state = to_state(sd); + + if ((std & (V4L2_STD_PAL_M | V4L2_STD_NTSC_M)) == 0) + return -EINVAL; + + state->std = std; + + if (state->operational_mode == AU8522_ANALOG_MODE) + au8522_video_set(state); + + return 0; +} + static int au8522_s_audio_routing(struct v4l2_subdev *sd, u32 input, u32 output, u32 config) { @@ -681,6 +707,7 @@ static const struct v4l2_subdev_audio_ops au8522_audio_ops = { static const struct v4l2_subdev_video_ops au8522_video_ops = { .s_routing = au8522_s_video_routing, .s_stream = au8522_s_stream, + .s_std = au8522_s_std, }; static const struct v4l2_subdev_ops au8522_ops = { @@ -763,6 +790,7 @@ static int au8522_probe(struct i2c_client *client, } state->c = client; + state->std = V4L2_STD_NTSC_M; state->vid_input = AU8522_COMPOSITE_CH1; state->aud_input = AU8522_AUDIO_NONE; state->id = 8522; diff --git a/drivers/media/dvb-frontends/au8522_priv.h b/drivers/media/dvb-frontends/au8522_priv.h index a781489520fb..b8aca1c84786 100644 --- a/drivers/media/dvb-frontends/au8522_priv.h +++ b/drivers/media/dvb-frontends/au8522_priv.h @@ -348,6 +348,7 @@ int au8522_led_ctrl(struct au8522_state *state, int led); /* Format control 2 */ #define AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_AUTODETECT 0x00 #define AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_NTSC 0x01 +#define AU8522_TVDEC_FORMAT_CTRL2_REG062H_STD_PAL_M 0x02 #define AU8522_INPUT_CONTROL_REG081H_ATSC 0xC4 diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 9038194513c5..4aa1d7a1641b 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -1364,9 +1364,11 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) i2c_gate_ctrl(dev, 1); - /* FIXME: when we support something other than NTSC, we are going to - have to make the au0828 bridge adjust the size of its capture - buffer, which is currently hardcoded at 720x480 */ + /* + * FIXME: when we support something other than 60Hz standards, + * we are going to have to make the au0828 bridge adjust the size + * of its capture buffer, which is currently hardcoded at 720x480 + */ v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, norm); @@ -1915,7 +1917,7 @@ static const struct video_device au0828_video_template = { .fops = &au0828_v4l_fops, .release = video_device_release, .ioctl_ops = &video_ioctl_ops, - .tvnorms = V4L2_STD_NTSC_M, + .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M, }; /**************************************************************************/ -- 2.20.1