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path: root/drivers/media/platform/davinci/vpif_display.c
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Diffstat (limited to 'drivers/media/platform/davinci/vpif_display.c')
-rw-r--r--drivers/media/platform/davinci/vpif_display.c275
1 files changed, 183 insertions, 92 deletions
diff --git a/drivers/media/platform/davinci/vpif_display.c b/drivers/media/platform/davinci/vpif_display.c
index a5b88689aba..b716fbd4241 100644
--- a/drivers/media/platform/davinci/vpif_display.c
+++ b/drivers/media/platform/davinci/vpif_display.c
@@ -280,12 +280,13 @@ static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count)
}
/* clock settings */
- ret =
- vpif_config_data->set_clock(ch->vpifparams.std_info.ycmux_mode,
- ch->vpifparams.std_info.hd_sd);
- if (ret < 0) {
- vpif_err("can't set clock\n");
- return ret;
+ if (vpif_config_data->set_clock) {
+ ret = vpif_config_data->set_clock(ch->vpifparams.std_info.
+ ycmux_mode, ch->vpifparams.std_info.hd_sd);
+ if (ret < 0) {
+ vpif_err("can't set clock\n");
+ return ret;
+ }
}
/* set the parameters and addresses */
@@ -307,7 +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);
}
@@ -316,7 +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);
}
@@ -826,9 +827,11 @@ static int vpif_querycap(struct file *file, void *priv,
{
struct vpif_display_config *config = vpif_dev->platform_data;
- cap->capabilities = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
- strlcpy(cap->driver, "vpif display", sizeof(cap->driver));
- strlcpy(cap->bus_info, "Platform", sizeof(cap->bus_info));
+ cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING;
+ cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
+ snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev));
+ snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s",
+ dev_name(vpif_dev));
strlcpy(cap->card, config->card_name, sizeof(cap->card));
return 0;
@@ -935,6 +938,7 @@ static int vpif_reqbufs(struct file *file, void *priv,
enum v4l2_field field;
struct vb2_queue *q;
u8 index = 0;
+ int ret;
/* This file handle has not initialized the channel,
It is not allowed to do settings */
@@ -980,8 +984,12 @@ static int vpif_reqbufs(struct file *file, void *priv,
q->mem_ops = &vb2_dma_contig_memops;
q->buf_struct_size = sizeof(struct vpif_disp_buffer);
- vb2_queue_init(q);
-
+ ret = vb2_queue_init(q);
+ if (ret) {
+ vpif_err("vpif_display: vb2_queue_init() failed\n");
+ vb2_dma_contig_cleanup_ctx(common->alloc_ctx);
+ return ret;
+ }
/* Set io allowed member of file handle to TRUE */
fh->io_allowed[index] = 1;
/* Increment io usrs member of channel object to 1 */
@@ -1173,14 +1181,16 @@ 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);
@@ -1213,49 +1223,126 @@ 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;
- output->std = VPIF_V4L2_STD;
+ *output = chan_cfg->outputs[output->index].output;
+ 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_subdev_call(sd, video, s_routing, input, output, 0);
+ if (ret < 0 && ret != -ENOIOCTLCMD) {
+ vpif_err("Failed to set output\n");
+ return ret;
+ }
+ }
+ ch->output_idx = index;
+ ch->sd = sd;
+ if (chan_cfg->outputs != NULL)
+ /* update tvnorms from the sub device output info */
+ ch->video_dev->tvnorms = chan_cfg->outputs[index].output.std;
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 video_obj *vid_ch = &ch->video;
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");
-
- vid_ch->output_id = i;
- return ret;
+ return vpif_set_output(config, ch, i);
}
static int vpif_g_output(struct file *file, void *priv, unsigned int *i)
{
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- struct video_obj *vid_ch = &ch->video;
- *i = vid_ch->output_id;
+ *i = ch->output_idx;
return 0;
}
@@ -1290,10 +1377,12 @@ vpif_enum_dv_timings(struct file *file, void *priv,
{
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- struct video_obj *vid_ch = &ch->video;
+ int ret;
- return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
- 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;
}
/**
@@ -1319,13 +1408,9 @@ static int vpif_s_dv_timings(struct file *file, void *priv,
}
/* Configure subdevice timings, if any */
- ret = v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id],
- video, s_dv_timings, timings);
- if (ret == -ENOIOCTLCMD) {
- vpif_dbg(2, debug, "Custom DV timings not supported by "
- "subdevice\n");
- return -EINVAL;
- }
+ ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings);
+ if (ret == -ENOIOCTLCMD || ret == -ENODEV)
+ ret = 0;
if (ret < 0) {
vpif_dbg(2, debug, "Error setting custom DV timings\n");
return ret;
@@ -1450,10 +1535,8 @@ static int vpif_dbg_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg){
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- struct video_obj *vid_ch = &ch->video;
- return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core,
- g_register, reg);
+ return v4l2_subdev_call(ch->sd, core, g_register, reg);
}
/*
@@ -1469,10 +1552,8 @@ static int vpif_dbg_s_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg){
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- struct video_obj *vid_ch = &ch->video;
- return v4l2_subdev_call(vpif_obj.sd[vid_ch->output_id], core,
- s_register, reg);
+ return v4l2_subdev_call(ch->sd, core, s_register, reg);
}
#endif
@@ -1536,9 +1617,6 @@ static struct video_device vpif_video_template = {
.name = "vpif",
.fops = &vpif_fops,
.ioctl_ops = &vpif_ioctl_ops,
- .tvnorms = VPIF_V4L2_STD,
- .current_norm = V4L2_STD_625_50,
-
};
/*Configure the channels, buffer sizei, request irq */
@@ -1611,7 +1689,8 @@ static __init int vpif_probe(struct platform_device *pdev)
{
struct vpif_subdev_info *subdevdata;
struct vpif_display_config *config;
- int i, j = 0, k, q, m, err = 0;
+ int i, j = 0, k, err = 0;
+ int res_idx = 0;
struct i2c_adapter *i2c_adap;
struct common_obj *common;
struct channel_obj *ch;
@@ -1634,21 +1713,22 @@ static __init int vpif_probe(struct platform_device *pdev)
return err;
}
- k = 0;
- while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, k))) {
+ while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) {
for (i = res->start; i <= res->end; i++) {
if (request_irq(i, vpif_channel_isr, IRQF_SHARED,
- "VPIF_Display",
- (void *)(&vpif_obj.dev[k]->channel_id))) {
+ "VPIF_Display", (void *)
+ (&vpif_obj.dev[res_idx]->channel_id))) {
err = -EBUSY;
+ for (j = 0; j < i; j++)
+ free_irq(j, (void *)
+ (&vpif_obj.dev[res_idx]->channel_id));
goto vpif_int_err;
}
}
- k++;
+ res_idx++;
}
for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
-
/* Get the pointer to the channel object */
ch = vpif_obj.dev[i];
@@ -1694,6 +1774,32 @@ static __init int vpif_probe(struct platform_device *pdev)
}
}
+ i2c_adap = i2c_get_adapter(1);
+ config = pdev->dev.platform_data;
+ subdev_count = config->subdev_count;
+ subdevdata = config->subdevinfo;
+ vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
+ GFP_KERNEL);
+ if (vpif_obj.sd == NULL) {
+ vpif_err("unable to allocate memory for subdevice pointers\n");
+ err = -ENOMEM;
+ goto vpif_sd_error;
+ }
+
+ for (i = 0; i < subdev_count; i++) {
+ vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev,
+ i2c_adap,
+ &subdevdata[i].board_info,
+ NULL);
+ if (!vpif_obj.sd[i]) {
+ vpif_err("Error registering v4l2 subdevice\n");
+ goto probe_subdev_out;
+ }
+
+ if (vpif_obj.sd[i])
+ vpif_obj.sd[i]->grp_id = 1 << i;
+ }
+
for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) {
ch = vpif_obj.dev[j];
/* Initialize field of the channel objects */
@@ -1715,6 +1821,8 @@ static __init int vpif_probe(struct platform_device *pdev)
}
ch->initialized = 0;
+ if (subdev_count)
+ ch->sd = vpif_obj.sd[0];
ch->channel_id = j;
if (j < 2)
ch->common[VPIF_VIDEO_INDEX].numbuffers =
@@ -1729,6 +1837,12 @@ static __init int vpif_probe(struct platform_device *pdev)
ch->common[VPIF_VIDEO_INDEX].fmt.type =
V4L2_BUF_TYPE_VIDEO_OUTPUT;
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",
@@ -1738,42 +1852,12 @@ static __init int vpif_probe(struct platform_device *pdev)
VFL_TYPE_GRABBER, (j ? 3 : 2));
if (err < 0)
goto probe_out;
-
- video_set_drvdata(ch->video_dev, ch);
- }
-
- i2c_adap = i2c_get_adapter(1);
- config = pdev->dev.platform_data;
- subdev_count = config->subdev_count;
- subdevdata = config->subdevinfo;
- vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count,
- GFP_KERNEL);
- if (vpif_obj.sd == NULL) {
- vpif_err("unable to allocate memory for subdevice pointers\n");
- err = -ENOMEM;
- goto probe_out;
- }
-
- for (i = 0; i < subdev_count; i++) {
- vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev,
- i2c_adap,
- &subdevdata[i].board_info,
- NULL);
- if (!vpif_obj.sd[i]) {
- vpif_err("Error registering v4l2 subdevice\n");
- goto probe_subdev_out;
- }
-
- if (vpif_obj.sd[i])
- vpif_obj.sd[i]->grp_id = 1 << i;
}
v4l2_info(&vpif_obj.v4l2_dev,
" VPIF display driver initialized\n");
return 0;
-probe_subdev_out:
- kfree(vpif_obj.sd);
probe_out:
for (k = 0; k < j; k++) {
ch = vpif_obj.dev[k];
@@ -1781,14 +1865,21 @@ probe_out:
video_device_release(ch->video_dev);
ch->video_dev = NULL;
}
+probe_subdev_out:
+ kfree(vpif_obj.sd);
+vpif_sd_error:
+ for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) {
+ ch = vpif_obj.dev[i];
+ /* Note: does nothing if ch->video_dev == NULL */
+ video_device_release(ch->video_dev);
+ }
vpif_int_err:
v4l2_device_unregister(&vpif_obj.v4l2_dev);
vpif_err("VPIF IRQ request failed\n");
- for (q = k; k >= 0; k--) {
- for (m = i; m >= res->start; m--)
- free_irq(m, (void *)(&vpif_obj.dev[k]->channel_id));
- res = platform_get_resource(pdev, IORESOURCE_IRQ, k-1);
- m = res->end;
+ for (i = 0; i < res_idx; i++) {
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, i);
+ for (j = res->start; j <= res->end; j++)
+ free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id));
}
return err;