On Mon September 24 2012 12:02:26 Prabhakar wrote: > From: Lad, Prabhakar <prabhakar.lad@xxxxxx> > > vpif_display relied on a 1-1 mapping of output and subdev. This is not > necessarily the case. Separate the two. So there is a list of subdevs > and a list of outputs. Each output refers to a subdev and has routing > information. An output does not have to have a subdev. > > The initial output for each channel is set to the fist output. > > Currently missing is support for associating multiple subdevs with > an output. > > Signed-off-by: Lad, Prabhakar <prabhakar.lad@xxxxxx> > Signed-off-by: Manjunath Hadli <manjunath.hadli@xxxxxx> > Cc: Hans Verkuil <hans.verkuil@xxxxxxxxx> > --- > This patch is dependent on the patch series from Hans > (http://www.mail-archive.com/linux-media@xxxxxxxxxxxxxxx/msg52270.html) > > arch/arm/mach-davinci/board-da850-evm.c | 29 +++++- > arch/arm/mach-davinci/board-dm646x-evm.c | 39 ++++++- > drivers/media/platform/davinci/vpif_display.c | 138 ++++++++++++++++++++----- > include/media/davinci/vpif_types.h | 20 +++- > 4 files changed, 185 insertions(+), 41 deletions(-) > > diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c > index 3081ea4..23a7012 100644 > --- a/arch/arm/mach-davinci/board-da850-evm.c > +++ b/arch/arm/mach-davinci/board-da850-evm.c > @@ -46,6 +46,7 @@ > #include <mach/spi.h> > > #include <media/tvp514x.h> > +#include <media/adv7343.h> > > #define DA850_EVM_PHY_ID "davinci_mdio-0:00" > #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8) > @@ -1257,16 +1258,34 @@ static struct vpif_subdev_info da850_vpif_subdev[] = { > }, > }; > > -static const char const *vpif_output[] = { > - "Composite", > - "S-Video", > +static const struct vpif_output da850_ch0_outputs[] = { > + { > + .output = { > + .index = 0, > + .name = "Composite", > + .type = V4L2_OUTPUT_TYPE_ANALOG, > + }, > + .subdev_name = "adv7343", > + .output_route = ADV7343_COMPOSITE_ID, > + }, > + { > + .output = { > + .index = 1, > + .name = "S-Video", > + .type = V4L2_OUTPUT_TYPE_ANALOG, > + }, > + .subdev_name = "adv7343", > + .output_route = ADV7343_SVIDEO_ID, > + }, > }; > > static struct vpif_display_config da850_vpif_display_config = { > .subdevinfo = da850_vpif_subdev, > .subdev_count = ARRAY_SIZE(da850_vpif_subdev), > - .output = vpif_output, > - .output_count = ARRAY_SIZE(vpif_output), > + .chan_config[0] = { > + .outputs = da850_ch0_outputs, > + .output_count = ARRAY_SIZE(da850_ch0_outputs), > + }, > .card_name = "DA850/OMAP-L138 Video Display", > }; > > diff --git a/arch/arm/mach-davinci/board-dm646x-evm.c b/arch/arm/mach-davinci/board-dm646x-evm.c > index ad249c7..c206768 100644 > --- a/arch/arm/mach-davinci/board-dm646x-evm.c > +++ b/arch/arm/mach-davinci/board-dm646x-evm.c > @@ -26,6 +26,7 @@ > #include <linux/i2c/pcf857x.h> > > #include <media/tvp514x.h> > +#include <media/adv7343.h> > > #include <linux/mtd/mtd.h> > #include <linux/mtd/nand.h> > @@ -496,18 +497,44 @@ static struct vpif_subdev_info dm646x_vpif_subdev[] = { > }, > }; > > -static const char *output[] = { > - "Composite", > - "Component", > - "S-Video", > +static const struct vpif_output dm6467_ch0_outputs[] = { > + { > + .output = { > + .index = 0, > + .name = "Composite", > + .type = V4L2_OUTPUT_TYPE_ANALOG, > + }, > + .subdev_name = "adv7343", > + .output_route = ADV7343_COMPOSITE_ID, > + }, > + { > + .output = { > + .index = 1, > + .name = "Component", > + .type = V4L2_OUTPUT_TYPE_ANALOG, > + }, > + .subdev_name = "adv7343", > + .output_route = ADV7343_COMPONENT_ID, > + }, > + { > + .output = { > + .index = 2, > + .name = "S-Video", > + .type = V4L2_OUTPUT_TYPE_ANALOG, > + }, > + .subdev_name = "adv7343", > + .output_route = ADV7343_SVIDEO_ID, > + }, > }; > > static struct vpif_display_config dm646x_vpif_display_config = { > .set_clock = set_vpif_clock, > .subdevinfo = dm646x_vpif_subdev, > .subdev_count = ARRAY_SIZE(dm646x_vpif_subdev), > - .output = output, > - .output_count = ARRAY_SIZE(output), > + .chan_config[0] = { > + .outputs = dm6467_ch0_outputs, > + .output_count = ARRAY_SIZE(dm6467_ch0_outputs), > + }, > .card_name = "DM646x EVM", > }; > > diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c > index 8d1ce09..b218f3a 100644 > --- a/drivers/media/platform/davinci/vpif_display.c > +++ b/drivers/media/platform/davinci/vpif_display.c > @@ -308,7 +308,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) > channel2_intr_assert(); > channel2_intr_enable(1); > enable_channel2(1); > - if (vpif_config_data->ch2_clip_en) > + if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) > channel2_clipping_enable(1); > } > > @@ -317,7 +317,7 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) > channel3_intr_assert(); > channel3_intr_enable(1); > enable_channel3(1); > - if (vpif_config_data->ch3_clip_en) > + if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) > channel3_clipping_enable(1); > } > > @@ -1174,14 +1174,16 @@ static int vpif_streamoff(struct file *file, void *priv, > if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { > /* disable channel */ > if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { > - if (vpif_config_data->ch2_clip_en) > + if (vpif_config_data-> > + chan_config[VPIF_CHANNEL2_VIDEO].clip_en) > channel2_clipping_enable(0); > enable_channel2(0); > channel2_intr_enable(0); > } > if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || > (2 == common->started)) { > - if (vpif_config_data->ch3_clip_en) > + if (vpif_config_data-> > + chan_config[VPIF_CHANNEL3_VIDEO].clip_en) > channel3_clipping_enable(0); > enable_channel3(0); > channel3_intr_enable(0); > @@ -1214,41 +1216,120 @@ static int vpif_enum_output(struct file *file, void *fh, > { > > struct vpif_display_config *config = vpif_dev->platform_data; > + struct vpif_display_chan_config *chan_cfg; > + struct vpif_fh *vpif_handler = fh; > + struct channel_obj *ch = vpif_handler->channel; > > - if (output->index >= config->output_count) { > + chan_cfg = &config->chan_config[ch->channel_id]; > + if (output->index >= chan_cfg->output_count) { > vpif_dbg(1, debug, "Invalid output index\n"); > return -EINVAL; > } > > - strcpy(output->name, config->output[output->index]); > - output->type = V4L2_OUTPUT_TYPE_ANALOG; > + memcpy(output, &chan_cfg->outputs[output->index].output, > + sizeof(*output)); > output->std = VPIF_V4L2_STD; > > return 0; > } > > +/** > + * vpif_output_to_subdev() - Maps output to sub device > + * @vpif_cfg - global config ptr > + * @chan_cfg - channel config ptr > + * @index - Given output index from application > + * > + * lookup the sub device information for a given output index. > + * we report all the output to application. output table also > + * has sub device name for the each output > + */ > +static int > +vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, > + struct vpif_display_chan_config *chan_cfg, int index) > +{ > + struct vpif_subdev_info *subdev_info; > + const char *subdev_name; > + int i; > + > + vpif_dbg(2, debug, "vpif_output_to_subdev\n"); > + > + if (chan_cfg->outputs == NULL) > + return -1; > + > + subdev_name = chan_cfg->outputs[index].subdev_name; > + if (subdev_name == NULL) > + return -1; > + > + /* loop through the sub device list to get the sub device info */ > + for (i = 0; i < vpif_cfg->subdev_count; i++) { > + subdev_info = &vpif_cfg->subdevinfo[i]; > + if (!strcmp(subdev_info->name, subdev_name)) > + return i; > + } > + return -1; > +} > + > +/** > + * vpif_set_output() - Select an output > + * @vpif_cfg - global config ptr > + * @ch - channel > + * @index - Given output index from application > + * > + * Select the given output. > + */ > +static int vpif_set_output(struct vpif_display_config *vpif_cfg, > + struct channel_obj *ch, int index) > +{ > + struct vpif_display_chan_config *chan_cfg = > + &vpif_cfg->chan_config[ch->channel_id]; > + struct vpif_subdev_info *subdev_info = NULL; > + struct v4l2_subdev *sd = NULL; > + u32 input = 0, output = 0; > + int sd_index; > + int ret; > + > + sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); > + if (sd_index >= 0) { > + sd = vpif_obj.sd[sd_index]; > + subdev_info = &vpif_cfg->subdevinfo[sd_index]; > + } > + > + if (sd) { > + input = chan_cfg->outputs[index].input_route; > + output = chan_cfg->outputs[index].output_route; > + ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, > + s_routing, input, output, 0); Darn, I should have checked this when I did my previous review. You should use v4l2_subdev_call(sd, ...) here. The s_routing op is one where you cannot just try and call all subdevs, you need to give it to a specific subdev. The reason is that the arguments to the s_routing op are subdev specific. And since you've got the subdev pointer anyway... Regards, Hans > + > + if (ret < 0) { > + vpif_err("Failed to set output\n"); > + return ret; > + } > + > + } > + ch->output_idx = index; > + ch->sd = sd; > + return 0; > +} > + > static int vpif_s_output(struct file *file, void *priv, unsigned int i) > { > + struct vpif_display_config *config = vpif_dev->platform_data; > + struct vpif_display_chan_config *chan_cfg; > struct vpif_fh *fh = priv; > struct channel_obj *ch = fh->channel; > struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; > - int ret = 0; > + > + chan_cfg = &config->chan_config[ch->channel_id]; > + > + if (i >= chan_cfg->output_count) > + return -EINVAL; > > if (common->started) { > vpif_err("Streaming in progress\n"); > return -EBUSY; > } > > - ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, > - s_routing, 0, i, 0); > - > - if (ret < 0) > - vpif_err("Failed to set output standard\n"); > - > - ch->output_idx = i; > - if (vpif_obj.sd[i]) > - ch->sd = vpif_obj.sd[i]; > - return ret; > + return vpif_set_output(config, ch, i); > } > > static int vpif_g_output(struct file *file, void *priv, unsigned int *i) > @@ -1291,9 +1372,12 @@ vpif_enum_dv_timings(struct file *file, void *priv, > { > struct vpif_fh *fh = priv; > struct channel_obj *ch = fh->channel; > + int ret; > > - return v4l2_subdev_call(vpif_obj.sd[ch->output_idx], > - video, enum_dv_timings, timings); > + ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); > + if (ret == -ENOIOCTLCMD && ret == -ENODEV) > + return -EINVAL; > + return ret; > } > > /** > @@ -1320,12 +1404,9 @@ static int vpif_s_dv_timings(struct file *file, void *priv, > > /* Configure subdevice timings, if any */ > ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); > - if (ret == -ENOIOCTLCMD) { > - vpif_dbg(2, debug, "Custom DV timings not supported by " > - "subdevice\n"); > - return -ENODATA; > - } > - if (ret < 0 && ret != -ENODEV) { > + if (ret == -ENOIOCTLCMD || ret == -ENODEV) > + ret = 0; > + if (ret < 0) { > vpif_dbg(2, debug, "Error setting custom DV timings\n"); > return ret; > } > @@ -1754,6 +1835,11 @@ static __init int vpif_probe(struct platform_device *pdev) > ch->video_dev->lock = &common->lock; > video_set_drvdata(ch->video_dev, ch); > > + /* select output 0 */ > + err = vpif_set_output(config, ch, 0); > + if (err) > + goto probe_out; > + > /* register video device */ > vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", > (int)ch, (int)&ch->video_dev); > diff --git a/include/media/davinci/vpif_types.h b/include/media/davinci/vpif_types.h > index 65e8fe1..4b297eb 100644 > --- a/include/media/davinci/vpif_types.h > +++ b/include/media/davinci/vpif_types.h > @@ -20,6 +20,7 @@ > #include <linux/i2c.h> > > #define VPIF_CAPTURE_MAX_CHANNELS 2 > +#define VPIF_DISPLAY_MAX_CHANNELS 2 > > enum vpif_if_type { > VPIF_IF_BT656, > @@ -39,15 +40,26 @@ struct vpif_subdev_info { > struct i2c_board_info board_info; > }; > > +struct vpif_output { > + struct v4l2_output output; > + const char *subdev_name; > + u32 input_route; > + u32 output_route; > +}; > + > +struct vpif_display_chan_config { > + struct vpif_interface vpif_if; > + const struct vpif_output *outputs; > + int output_count; > + bool clip_en; > +}; > + > struct vpif_display_config { > int (*set_clock)(int, int); > struct vpif_subdev_info *subdevinfo; > int subdev_count; > - const char **output; > - int output_count; > + struct vpif_display_chan_config chan_config[VPIF_DISPLAY_MAX_CHANNELS]; > const char *card_name; > - bool ch2_clip_en; > - bool ch3_clip_en; > }; > > struct vpif_input { > -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
