#include <linux/slab.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
+#include <media/v4l2-chip-ident.h>
#include "vpif_capture.h"
#include "vpif.h"
static struct vpif_device vpif_obj = { {NULL} };
static struct device *vpif_dev;
-/**
- * ch_params: video standard configuration parameters for vpif
- */
-static const struct vpif_channel_config_params ch_params[] = {
- {
- "NTSC_M", 720, 480, 30, 0, 1, 268, 1440, 1, 23, 263, 266,
- 286, 525, 525, 0, 1, 0, V4L2_STD_525_60,
- },
- {
- "PAL_BDGHIK", 720, 576, 25, 0, 1, 280, 1440, 1, 23, 311, 313,
- 336, 624, 625, 0, 1, 0, V4L2_STD_625_50,
- },
-};
-
/**
* vpif_uservirt_to_phys : translate user/virtual address to phy address
* @virtp: user/virtual address
* @dev_id: dev_id ptr
*
* It changes status of the captured buffer, takes next buffer from the queue
- * and sets its address in VPIF registers
+ * and sets its address in VPIF registers
*/
static irqreturn_t vpif_channel_isr(int irq, void *dev_id)
{
struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
struct vpif_params *vpifparams = &ch->vpifparams;
const struct vpif_channel_config_params *config;
- struct vpif_channel_config_params *std_info;
+ struct vpif_channel_config_params *std_info = &vpifparams->std_info;
struct video_obj *vid_ch = &ch->video;
int index;
vpif_dbg(2, debug, "vpif_update_std_info\n");
- std_info = &vpifparams->std_info;
-
- for (index = 0; index < ARRAY_SIZE(ch_params); index++) {
+ for (index = 0; index < vpif_ch_params_count; index++) {
config = &ch_params[index];
- if (config->stdid & vid_ch->stdid) {
- memcpy(std_info, config, sizeof(*config));
- break;
+ if (config->hd_sd == 0) {
+ vpif_dbg(2, debug, "SD format\n");
+ if (config->stdid & vid_ch->stdid) {
+ memcpy(std_info, config, sizeof(*config));
+ break;
+ }
+ } else {
+ vpif_dbg(2, debug, "HD format\n");
+ if (config->dv_preset == vid_ch->dv_preset) {
+ memcpy(std_info, config, sizeof(*config));
+ break;
+ }
}
}
/* standard not found */
- if (index == ARRAY_SIZE(ch_params))
+ if (index == vpif_ch_params_count)
return -EINVAL;
common->fmt.fmt.pix.width = std_info->width;
common->fmt.fmt.pix.bytesperline = std_info->width;
vpifparams->video_params.hpitch = std_info->width;
vpifparams->video_params.storage_mode = std_info->frm_fmt;
+
return 0;
}
struct video_obj *vid_ch;
struct channel_obj *ch;
struct vpif_fh *fh;
- int i, ret = 0;
+ int i;
vpif_dbg(2, debug, "vpif_open\n");
vid_ch = &ch->video;
common = &ch->common[VPIF_VIDEO_INDEX];
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
if (NULL == ch->curr_subdev_info) {
/**
* search through the sub device to see a registered
}
if (i == config->subdev_count) {
vpif_err("No sub device registered\n");
- ret = -ENOENT;
- goto exit;
+ return -ENOENT;
}
}
fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL);
if (NULL == fh) {
vpif_err("unable to allocate memory for file handle object\n");
- ret = -ENOMEM;
- goto exit;
+ return -ENOMEM;
}
/* store pointer to fh in private_data member of filep */
/* Initialize priority of this instance to default priority */
fh->prio = V4L2_PRIORITY_UNSET;
v4l2_prio_open(&ch->prio, &fh->prio);
-exit:
- mutex_unlock(&common->lock);
- return ret;
+ return 0;
}
/**
common = &ch->common[VPIF_VIDEO_INDEX];
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
/* if this instance is doing IO */
if (fh->io_allowed[VPIF_VIDEO_INDEX]) {
/* Reset io_usrs member of channel object */
/* Decrement channel usrs counter */
ch->usrs--;
- /* unlock mutex on channel object */
- mutex_unlock(&common->lock);
-
/* Close the priority */
v4l2_prio_close(&ch->prio, fh->prio);
struct channel_obj *ch = fh->channel;
struct common_obj *common;
u8 index = 0;
- int ret = 0;
vpif_dbg(2, debug, "vpif_reqbufs\n");
common = &ch->common[index];
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
- if (0 != common->io_usrs) {
- ret = -EBUSY;
- goto reqbuf_exit;
- }
+ if (0 != common->io_usrs)
+ return -EBUSY;
/* Initialize videobuf queue as per the buffer type */
videobuf_queue_dma_contig_init(&common->buffer_queue,
reqbuf->type,
common->fmt.fmt.pix.field,
sizeof(struct videobuf_buffer), fh,
- NULL);
+ &common->lock);
/* Set io allowed member of file handle to TRUE */
fh->io_allowed[index] = 1;
INIT_LIST_HEAD(&common->dma_queue);
/* Allocate buffers */
- ret = videobuf_reqbufs(&common->buffer_queue, reqbuf);
-
-reqbuf_exit:
- mutex_unlock(&common->lock);
- return ret;
+ return videobuf_reqbufs(&common->buffer_queue, reqbuf);
}
/**
return ret;
}
- if (mutex_lock_interruptible(&common->lock)) {
- ret = -ERESTARTSYS;
- goto streamoff_exit;
- }
-
/* If buffer queue is empty, return error */
if (list_empty(&common->dma_queue)) {
vpif_dbg(1, debug, "buffer queue is empty\n");
enable_channel1(1);
}
channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1;
- mutex_unlock(&common->lock);
return ret;
exit:
- mutex_unlock(&common->lock);
-streamoff_exit:
- ret = videobuf_streamoff(&common->buffer_queue);
+ videobuf_streamoff(&common->buffer_queue);
return ret;
}
return -EINVAL;
}
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
/* disable channel */
if (VPIF_CHANNEL0_VIDEO == ch->channel_id) {
enable_channel0(0);
if (ret && (ret != -ENOIOCTLCMD))
vpif_dbg(1, debug, "stream off failed in subdev\n");
- mutex_unlock(&common->lock);
-
return videobuf_streamoff(&common->buffer_queue);
}
{
struct vpif_fh *fh = priv;
struct channel_obj *ch = fh->channel;
- struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
int ret = 0;
vpif_dbg(2, debug, "vpif_querystd\n");
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
/* Call querystd function of decoder device */
ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], video,
querystd, std_id);
if (ret < 0)
vpif_dbg(1, debug, "Failed to set standard for sub devices\n");
- mutex_unlock(&common->lock);
return ret;
}
fh->initialized = 1;
/* Call encoder subdevice function to set the standard */
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
ch->video.stdid = *std_id;
+ ch->video.dv_preset = V4L2_DV_INVALID;
+ memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
/* Get the information about the standard */
if (vpif_update_std_info(ch)) {
- ret = -EINVAL;
vpif_err("Error getting the standard info\n");
- goto s_std_exit;
+ return -EINVAL;
}
/* Configure the default format information */
s_std, *std_id);
if (ret < 0)
vpif_dbg(1, debug, "Failed to set standard for sub devices\n");
-
-s_std_exit:
- mutex_unlock(&common->lock);
return ret;
}
return -EINVAL;
}
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
/* first setup input path from sub device to vpif */
if (config->setup_input_path) {
ret = config->setup_input_path(ch->channel_id,
vpif_dbg(1, debug, "couldn't setup input path for the"
" sub device %s, for input index %d\n",
subdev_info->name, index);
- goto exit;
+ return ret;
}
}
input, output, 0);
if (ret < 0) {
vpif_dbg(1, debug, "Failed to set input\n");
- goto exit;
+ return ret;
}
}
vid_ch->input_idx = index;
/* update tvnorms from the sub device input info */
ch->video_dev->tvnorms = chan_cfg->inputs[index].input.std;
-
-exit:
- mutex_unlock(&common->lock);
return ret;
}
return -EINVAL;
/* Fill in the information about format */
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
*fmt = common->fmt;
- mutex_unlock(&common->lock);
return 0;
}
struct v4l2_pix_format *pixfmt;
int ret = 0;
- vpif_dbg(2, debug, "VIDIOC_S_FMT\n");
+ vpif_dbg(2, debug, "%s\n", __func__);
/* If streaming is started, return error */
if (common->started) {
if (ret)
return ret;
/* store the format in the channel object */
- if (mutex_lock_interruptible(&common->lock))
- return -ERESTARTSYS;
-
common->fmt = *fmt;
- mutex_unlock(&common->lock);
-
return 0;
}
return 0;
}
+/**
+ * vpif_enum_dv_presets() - ENUM_DV_PRESETS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @preset: input preset
+ */
+static int vpif_enum_dv_presets(struct file *file, void *priv,
+ struct v4l2_dv_enum_preset *preset)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+
+ return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
+ video, enum_dv_presets, preset);
+}
+
+/**
+ * vpif_query_dv_presets() - QUERY_DV_PRESET handler
+ * @file: file ptr
+ * @priv: file handle
+ * @preset: input preset
+ */
+static int vpif_query_dv_preset(struct file *file, void *priv,
+ struct v4l2_dv_preset *preset)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+
+ return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
+ video, query_dv_preset, preset);
+}
+/**
+ * vpif_s_dv_presets() - S_DV_PRESETS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @preset: input preset
+ */
+static int vpif_s_dv_preset(struct file *file, void *priv,
+ struct v4l2_dv_preset *preset)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX];
+ int ret = 0;
+
+ if (common->started) {
+ vpif_dbg(1, debug, "streaming in progress\n");
+ return -EBUSY;
+ }
+
+ if ((VPIF_CHANNEL0_VIDEO == ch->channel_id) ||
+ (VPIF_CHANNEL1_VIDEO == ch->channel_id)) {
+ if (!fh->initialized) {
+ vpif_dbg(1, debug, "Channel Busy\n");
+ return -EBUSY;
+ }
+ }
+
+ ret = v4l2_prio_check(&ch->prio, fh->prio);
+ if (ret)
+ return ret;
+
+ fh->initialized = 1;
+
+ /* Call encoder subdevice function to set the standard */
+ if (mutex_lock_interruptible(&common->lock))
+ return -ERESTARTSYS;
+
+ ch->video.dv_preset = preset->preset;
+ ch->video.stdid = V4L2_STD_UNKNOWN;
+ memset(&ch->video.bt_timings, 0, sizeof(ch->video.bt_timings));
+
+ /* Get the information about the standard */
+ if (vpif_update_std_info(ch)) {
+ vpif_dbg(1, debug, "Error getting the standard info\n");
+ ret = -EINVAL;
+ } else {
+ /* Configure the default format information */
+ vpif_config_format(ch);
+
+ ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
+ video, s_dv_preset, preset);
+ }
+
+ mutex_unlock(&common->lock);
+
+ return ret;
+}
+/**
+ * vpif_g_dv_presets() - G_DV_PRESETS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @preset: input preset
+ */
+static int vpif_g_dv_preset(struct file *file, void *priv,
+ struct v4l2_dv_preset *preset)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+
+ preset->preset = ch->video.dv_preset;
+
+ return 0;
+}
+
+/**
+ * vpif_s_dv_timings() - S_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_s_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct vpif_params *vpifparams = &ch->vpifparams;
+ struct vpif_channel_config_params *std_info = &vpifparams->std_info;
+ struct video_obj *vid_ch = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
+ int ret;
+
+ if (timings->type != V4L2_DV_BT_656_1120) {
+ vpif_dbg(2, debug, "Timing type not defined\n");
+ return -EINVAL;
+ }
+
+ /* Configure subdevice timings, if any */
+ ret = v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index],
+ video, s_dv_timings, timings);
+ if (ret == -ENOIOCTLCMD) {
+ vpif_dbg(2, debug, "Custom DV timings not supported by "
+ "subdevice\n");
+ return -EINVAL;
+ }
+ if (ret < 0) {
+ vpif_dbg(2, debug, "Error setting custom DV timings\n");
+ return ret;
+ }
+
+ if (!(timings->bt.width && timings->bt.height &&
+ (timings->bt.hbackporch ||
+ timings->bt.hfrontporch ||
+ timings->bt.hsync) &&
+ timings->bt.vfrontporch &&
+ (timings->bt.vbackporch ||
+ timings->bt.vsync))) {
+ vpif_dbg(2, debug, "Timings for width, height, "
+ "horizontal back porch, horizontal sync, "
+ "horizontal front porch, vertical back porch, "
+ "vertical sync and vertical back porch "
+ "must be defined\n");
+ return -EINVAL;
+ }
+
+ *bt = timings->bt;
+
+ /* Configure video port timings */
+
+ std_info->eav2sav = bt->hbackporch + bt->hfrontporch +
+ bt->hsync - 8;
+ std_info->sav2eav = bt->width;
+
+ std_info->l1 = 1;
+ std_info->l3 = bt->vsync + bt->vbackporch + 1;
+
+ if (bt->interlaced) {
+ if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) {
+ std_info->vsize = bt->height * 2 +
+ bt->vfrontporch + bt->vsync + bt->vbackporch +
+ bt->il_vfrontporch + bt->il_vsync +
+ bt->il_vbackporch;
+ std_info->l5 = std_info->vsize/2 -
+ (bt->vfrontporch - 1);
+ std_info->l7 = std_info->vsize/2 + 1;
+ std_info->l9 = std_info->l7 + bt->il_vsync +
+ bt->il_vbackporch + 1;
+ std_info->l11 = std_info->vsize -
+ (bt->il_vfrontporch - 1);
+ } else {
+ vpif_dbg(2, debug, "Required timing values for "
+ "interlaced BT format missing\n");
+ return -EINVAL;
+ }
+ } else {
+ std_info->vsize = bt->height + bt->vfrontporch +
+ bt->vsync + bt->vbackporch;
+ std_info->l5 = std_info->vsize - (bt->vfrontporch - 1);
+ }
+ strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME);
+ std_info->width = bt->width;
+ std_info->height = bt->height;
+ std_info->frm_fmt = bt->interlaced ? 0 : 1;
+ std_info->ycmux_mode = 0;
+ std_info->capture_format = 0;
+ std_info->vbi_supported = 0;
+ std_info->hd_sd = 1;
+ std_info->stdid = 0;
+ std_info->dv_preset = V4L2_DV_INVALID;
+
+ vid_ch->stdid = 0;
+ vid_ch->dv_preset = V4L2_DV_INVALID;
+ return 0;
+}
+
+/**
+ * vpif_g_dv_timings() - G_DV_TIMINGS handler
+ * @file: file ptr
+ * @priv: file handle
+ * @timings: digital video timings
+ */
+static int vpif_g_dv_timings(struct file *file, void *priv,
+ struct v4l2_dv_timings *timings)
+{
+ struct vpif_fh *fh = priv;
+ struct channel_obj *ch = fh->channel;
+ struct video_obj *vid_ch = &ch->video;
+ struct v4l2_bt_timings *bt = &vid_ch->bt_timings;
+
+ timings->bt = *bt;
+
+ return 0;
+}
+
+/*
+ * vpif_g_chip_ident() - Identify the chip
+ * @file: file ptr
+ * @priv: file handle
+ * @chip: chip identity
+ *
+ * Returns zero or -EINVAL if read operations fails.
+ */
+static int vpif_g_chip_ident(struct file *file, void *priv,
+ struct v4l2_dbg_chip_ident *chip)
+{
+ chip->ident = V4L2_IDENT_NONE;
+ chip->revision = 0;
+ if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER &&
+ chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) {
+ vpif_dbg(2, debug, "match_type is invalid.\n");
+ return -EINVAL;
+ }
+
+ return v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 0, core,
+ g_chip_ident, chip);
+}
+
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+/*
+ * vpif_dbg_g_register() - Read register
+ * @file: file ptr
+ * @priv: file handle
+ * @reg: register to be read
+ *
+ * Debugging only
+ * Returns zero or -EINVAL if read operations fails.
+ */
+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;
+
+ return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], core,
+ g_register, reg);
+}
+
+/*
+ * vpif_dbg_s_register() - Write to register
+ * @file: file ptr
+ * @priv: file handle
+ * @reg: register to be modified
+ *
+ * Debugging only
+ * Returns zero or -EINVAL if write operations fails.
+ */
+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;
+
+ return v4l2_subdev_call(vpif_obj.sd[ch->curr_sd_index], core,
+ s_register, reg);
+}
+#endif
+
+/*
+ * vpif_log_status() - Status information
+ * @file: file ptr
+ * @priv: file handle
+ *
+ * Returns zero.
+ */
+static int vpif_log_status(struct file *filep, void *priv)
+{
+ /* status for sub devices */
+ v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status);
+
+ return 0;
+}
+
/* vpif capture ioctl operations */
static const struct v4l2_ioctl_ops vpif_ioctl_ops = {
.vidioc_querycap = vpif_querycap,
.vidioc_streamon = vpif_streamon,
.vidioc_streamoff = vpif_streamoff,
.vidioc_cropcap = vpif_cropcap,
+ .vidioc_enum_dv_presets = vpif_enum_dv_presets,
+ .vidioc_s_dv_preset = vpif_s_dv_preset,
+ .vidioc_g_dv_preset = vpif_g_dv_preset,
+ .vidioc_query_dv_preset = vpif_query_dv_preset,
+ .vidioc_s_dv_timings = vpif_s_dv_timings,
+ .vidioc_g_dv_timings = vpif_g_dv_timings,
+ .vidioc_g_chip_ident = vpif_g_chip_ident,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .vidioc_g_register = vpif_dbg_g_register,
+ .vidioc_s_register = vpif_dbg_s_register,
+#endif
+ .vidioc_log_status = vpif_log_status,
};
/* vpif file operations */
.owner = THIS_MODULE,
.open = vpif_open,
.release = vpif_release,
- .ioctl = video_ioctl2,
+ .unlocked_ioctl = video_ioctl2,
.mmap = vpif_mmap,
.poll = vpif_poll
};
common = &(ch->common[VPIF_VIDEO_INDEX]);
spin_lock_init(&common->irqlock);
mutex_init(&common->lock);
+ ch->video_dev->lock = &common->lock;
/* Initialize prio member of channel object */
v4l2_prio_init(&ch->prio);
err = video_register_device(ch->video_dev,
if (vpif_obj.sd[i])
vpif_obj.sd[i]->grp_id = 1 << i;
}
- v4l2_info(&vpif_obj.v4l2_dev, "DM646x VPIF Capture driver"
- " initialized\n");
+ v4l2_info(&vpif_obj.v4l2_dev,
+ "DM646x VPIF capture driver initialized\n");
return 0;
probe_subdev_out:
projects / mv-sheeva.git / blobdiff