diff options
Diffstat (limited to 'drivers/staging/media/tlg2300/pd-video.c')
| -rw-r--r-- | drivers/staging/media/tlg2300/pd-video.c | 1570 |
1 files changed, 0 insertions, 1570 deletions
diff --git a/drivers/staging/media/tlg2300/pd-video.c b/drivers/staging/media/tlg2300/pd-video.c deleted file mode 100644 index 8cd7f02fcf9f..000000000000 --- a/drivers/staging/media/tlg2300/pd-video.c +++ /dev/null @@ -1,1570 +0,0 @@ -#include <linux/fs.h> -#include <linux/vmalloc.h> -#include <linux/videodev2.h> -#include <linux/usb.h> -#include <linux/mm.h> -#include <linux/sched.h> -#include <linux/slab.h> - -#include <media/v4l2-ioctl.h> -#include <media/v4l2-dev.h> -#include <media/v4l2-ctrls.h> - -#include "pd-common.h" -#include "vendorcmds.h" - -#ifdef CONFIG_PM -static int pm_video_suspend(struct poseidon *pd); -static int pm_video_resume(struct poseidon *pd); -#endif -static void iso_bubble_handler(struct work_struct *w); - -static int usb_transfer_mode; -module_param(usb_transfer_mode, int, 0644); -MODULE_PARM_DESC(usb_transfer_mode, "0 = Bulk, 1 = Isochronous"); - -static const struct poseidon_format poseidon_formats[] = { - { "YUV 422", V4L2_PIX_FMT_YUYV, 16, 0}, - { "RGB565", V4L2_PIX_FMT_RGB565, 16, 0}, -}; - -static const struct poseidon_tvnorm poseidon_tvnorms[] = { - { V4L2_STD_PAL_D, "PAL-D", TLG_TUNE_VSTD_PAL_D }, - { V4L2_STD_PAL_B, "PAL-B", TLG_TUNE_VSTD_PAL_B }, - { V4L2_STD_PAL_G, "PAL-G", TLG_TUNE_VSTD_PAL_G }, - { V4L2_STD_PAL_H, "PAL-H", TLG_TUNE_VSTD_PAL_H }, - { V4L2_STD_PAL_I, "PAL-I", TLG_TUNE_VSTD_PAL_I }, - { V4L2_STD_PAL_M, "PAL-M", TLG_TUNE_VSTD_PAL_M }, - { V4L2_STD_PAL_N, "PAL-N", TLG_TUNE_VSTD_PAL_N_COMBO }, - { V4L2_STD_PAL_Nc, "PAL-Nc", TLG_TUNE_VSTD_PAL_N_COMBO }, - { V4L2_STD_NTSC_M, "NTSC-M", TLG_TUNE_VSTD_NTSC_M }, - { V4L2_STD_NTSC_M_JP, "NTSC-JP", TLG_TUNE_VSTD_NTSC_M_J }, - { V4L2_STD_SECAM_B, "SECAM-B", TLG_TUNE_VSTD_SECAM_B }, - { V4L2_STD_SECAM_D, "SECAM-D", TLG_TUNE_VSTD_SECAM_D }, - { V4L2_STD_SECAM_G, "SECAM-G", TLG_TUNE_VSTD_SECAM_G }, - { V4L2_STD_SECAM_H, "SECAM-H", TLG_TUNE_VSTD_SECAM_H }, - { V4L2_STD_SECAM_K, "SECAM-K", TLG_TUNE_VSTD_SECAM_K }, - { V4L2_STD_SECAM_K1, "SECAM-K1", TLG_TUNE_VSTD_SECAM_K1 }, - { V4L2_STD_SECAM_L, "SECAM-L", TLG_TUNE_VSTD_SECAM_L }, - { V4L2_STD_SECAM_LC, "SECAM-LC", TLG_TUNE_VSTD_SECAM_L1 }, -}; -static const unsigned int POSEIDON_TVNORMS = ARRAY_SIZE(poseidon_tvnorms); - -struct pd_audio_mode { - u32 tlg_audio_mode; - u32 v4l2_audio_sub; - u32 v4l2_audio_mode; -}; - -static const struct pd_audio_mode pd_audio_modes[] = { - { TLG_TUNE_TVAUDIO_MODE_MONO, V4L2_TUNER_SUB_MONO, - V4L2_TUNER_MODE_MONO }, - { TLG_TUNE_TVAUDIO_MODE_STEREO, V4L2_TUNER_SUB_STEREO, - V4L2_TUNER_MODE_STEREO }, - { TLG_TUNE_TVAUDIO_MODE_LANG_A, V4L2_TUNER_SUB_LANG1, - V4L2_TUNER_MODE_LANG1 }, - { TLG_TUNE_TVAUDIO_MODE_LANG_B, V4L2_TUNER_SUB_LANG2, - V4L2_TUNER_MODE_LANG2 }, - { TLG_TUNE_TVAUDIO_MODE_LANG_C, V4L2_TUNER_SUB_LANG1, - V4L2_TUNER_MODE_LANG1_LANG2 } -}; -static const unsigned int POSEIDON_AUDIOMODS = ARRAY_SIZE(pd_audio_modes); - -struct pd_input { - char *name; - uint32_t tlg_src; -}; - -static const struct pd_input pd_inputs[] = { - { "TV Antenna", TLG_SIG_SRC_ANTENNA }, - { "TV Cable", TLG_SIG_SRC_CABLE }, - { "TV SVideo", TLG_SIG_SRC_SVIDEO }, - { "TV Composite", TLG_SIG_SRC_COMPOSITE } -}; -static const unsigned int POSEIDON_INPUTS = ARRAY_SIZE(pd_inputs); - -struct video_std_to_audio_std { - v4l2_std_id video_std; - int audio_std; -}; - -static const struct video_std_to_audio_std video_to_audio_map[] = { - /* country : { 27, 32, 33, 34, 36, 44, 45, 46, 47, 48, 64, - 65, 86, 351, 352, 353, 354, 358, 372, 852, 972 } */ - { (V4L2_STD_PAL_I | V4L2_STD_PAL_B | V4L2_STD_PAL_D | - V4L2_STD_SECAM_L | V4L2_STD_SECAM_D), TLG_TUNE_ASTD_NICAM }, - - /* country : { 1, 52, 54, 55, 886 } */ - {V4L2_STD_NTSC_M | V4L2_STD_PAL_N | V4L2_STD_PAL_M, TLG_TUNE_ASTD_BTSC}, - - /* country : { 81 } */ - { V4L2_STD_NTSC_M_JP, TLG_TUNE_ASTD_EIAJ }, - - /* other country : TLG_TUNE_ASTD_A2 */ -}; -static const unsigned int map_size = ARRAY_SIZE(video_to_audio_map); - -static int get_audio_std(v4l2_std_id v4l2_std) -{ - int i = 0; - - for (; i < map_size; i++) { - if (v4l2_std & video_to_audio_map[i].video_std) - return video_to_audio_map[i].audio_std; - } - return TLG_TUNE_ASTD_A2; -} - -static int vidioc_querycap(struct file *file, void *fh, - struct v4l2_capability *cap) -{ - struct video_device *vdev = video_devdata(file); - struct poseidon *p = video_get_drvdata(vdev); - - strcpy(cap->driver, "tele-video"); - strcpy(cap->card, "Telegent Poseidon"); - usb_make_path(p->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->device_caps = V4L2_CAP_TUNER | V4L2_CAP_AUDIO | - V4L2_CAP_STREAMING | V4L2_CAP_READWRITE; - if (vdev->vfl_type == VFL_TYPE_VBI) - cap->device_caps |= V4L2_CAP_VBI_CAPTURE; - else - cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE; - cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS | - V4L2_CAP_RADIO | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE; - return 0; -} - -/*====================================================================*/ -static void init_copy(struct video_data *video, bool index) -{ - struct front_face *front = video->front; - - video->field_count = index; - video->lines_copied = 0; - video->prev_left = 0 ; - video->dst = (char *)videobuf_to_vmalloc(front->curr_frame) - + index * video->lines_size; - video->vbi->copied = 0; /* set it here */ -} - -static bool get_frame(struct front_face *front, int *need_init) -{ - struct videobuf_buffer *vb = front->curr_frame; - - if (vb) - return true; - - spin_lock(&front->queue_lock); - if (!list_empty(&front->active)) { - vb = list_entry(front->active.next, - struct videobuf_buffer, queue); - if (need_init) - *need_init = 1; - front->curr_frame = vb; - list_del_init(&vb->queue); - } - spin_unlock(&front->queue_lock); - - return !!vb; -} - -/* check if the video's buffer is ready */ -static bool get_video_frame(struct front_face *front, struct video_data *video) -{ - int need_init = 0; - bool ret = true; - - ret = get_frame(front, &need_init); - if (ret && need_init) - init_copy(video, 0); - return ret; -} - -static void submit_frame(struct front_face *front) -{ - struct videobuf_buffer *vb = front->curr_frame; - - if (vb == NULL) - return; - - front->curr_frame = NULL; - vb->state = VIDEOBUF_DONE; - vb->field_count++; - v4l2_get_timestamp(&vb->ts); - - wake_up(&vb->done); -} - -/* - * A frame is composed of two fields. If we receive all the two fields, - * call the submit_frame() to submit the whole frame to applications. - */ -static void end_field(struct video_data *video) -{ - if (1 == video->field_count) - submit_frame(video->front); - else - init_copy(video, 1); -} - -static void copy_video_data(struct video_data *video, char *src, - unsigned int count) -{ -#define copy_data(len) \ - do { \ - if (++video->lines_copied > video->lines_per_field) \ - goto overflow; \ - memcpy(video->dst, src, len);\ - video->dst += len + video->lines_size; \ - src += len; \ - count -= len; \ - } while (0) - - while (count && count >= video->lines_size) { - if (video->prev_left) { - copy_data(video->prev_left); - video->prev_left = 0; - continue; - } - copy_data(video->lines_size); - } - if (count && count < video->lines_size) { - memcpy(video->dst, src, count); - - video->prev_left = video->lines_size - count; - video->dst += count; - } - return; - -overflow: - end_field(video); -} - -static void check_trailer(struct video_data *video, char *src, int count) -{ - struct vbi_data *vbi = video->vbi; - int offset; /* trailer's offset */ - char *buf; - - offset = (video->context.pix.sizeimage / 2 + vbi->vbi_size / 2) - - (vbi->copied + video->lines_size * video->lines_copied); - if (video->prev_left) - offset -= (video->lines_size - video->prev_left); - - if (offset > count || offset <= 0) - goto short_package; - - buf = src + offset; - - /* trailer : (VFHS) + U32 + U32 + field_num */ - if (!strncmp(buf, "VFHS", 4)) { - int field_num = *((u32 *)(buf + 12)); - - if ((field_num & 1) ^ video->field_count) { - init_copy(video, video->field_count); - return; - } - copy_video_data(video, src, offset); - } -short_package: - end_field(video); -} - -/* ========== Check this more carefully! =========== */ -static inline void copy_vbi_data(struct vbi_data *vbi, - char *src, unsigned int count) -{ - struct front_face *front = vbi->front; - - if (front && get_frame(front, NULL)) { - char *buf = videobuf_to_vmalloc(front->curr_frame); - - if (vbi->video->field_count) - buf += (vbi->vbi_size / 2); - memcpy(buf + vbi->copied, src, count); - } - vbi->copied += count; -} - -/* - * Copy the normal data (VBI or VIDEO) without the trailer. - * VBI is not interlaced, while VIDEO is interlaced. - */ -static inline void copy_vbi_video_data(struct video_data *video, - char *src, unsigned int count) -{ - struct vbi_data *vbi = video->vbi; - unsigned int vbi_delta = (vbi->vbi_size / 2) - vbi->copied; - - if (vbi_delta >= count) { - copy_vbi_data(vbi, src, count); - } else { - if (vbi_delta) { - copy_vbi_data(vbi, src, vbi_delta); - - /* we receive the two fields of the VBI*/ - if (vbi->front && video->field_count) - submit_frame(vbi->front); - } - copy_video_data(video, src + vbi_delta, count - vbi_delta); - } -} - -static void urb_complete_bulk(struct urb *urb) -{ - struct front_face *front = urb->context; - struct video_data *video = &front->pd->video_data; - char *src = (char *)urb->transfer_buffer; - int count = urb->actual_length; - int ret = 0; - - if (!video->is_streaming || urb->status) { - if (urb->status == -EPROTO) - goto resend_it; - return; - } - if (!get_video_frame(front, video)) - goto resend_it; - - if (count == urb->transfer_buffer_length) - copy_vbi_video_data(video, src, count); - else - check_trailer(video, src, count); - -resend_it: - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret) - log(" submit failed: error %d", ret); -} - -/************************* for ISO *********************/ -#define GET_SUCCESS (0) -#define GET_TRAILER (1) -#define GET_TOO_MUCH_BUBBLE (2) -#define GET_NONE (3) -static int get_chunk(int start, struct urb *urb, - int *head, int *tail, int *bubble_err) -{ - struct usb_iso_packet_descriptor *pkt = NULL; - int ret = GET_SUCCESS; - - for (*head = *tail = -1; start < urb->number_of_packets; start++) { - pkt = &urb->iso_frame_desc[start]; - - /* handle the bubble of the Hub */ - if (-EOVERFLOW == pkt->status) { - if (++*bubble_err > urb->number_of_packets / 3) - return GET_TOO_MUCH_BUBBLE; - continue; - } - - /* This is the gap */ - if (pkt->status || pkt->actual_length <= 0 - || pkt->actual_length > ISO_PKT_SIZE) { - if (*head != -1) - break; - continue; - } - - /* a good isochronous packet */ - if (pkt->actual_length == ISO_PKT_SIZE) { - if (*head == -1) - *head = start; - *tail = start; - continue; - } - - /* trailer is here */ - if (pkt->actual_length < ISO_PKT_SIZE) { - if (*head == -1) { - *head = start; - *tail = start; - return GET_TRAILER; - } - break; - } - } - - if (*head == -1 && *tail == -1) - ret = GET_NONE; - return ret; -} - -/* - * |__|------|___|-----|_______| - * ^ ^ - * | | - * gap gap - */ -static void urb_complete_iso(struct urb *urb) -{ - struct front_face *front = urb->context; - struct video_data *video = &front->pd->video_data; - int bubble_err = 0, head = 0, tail = 0; - char *src = (char *)urb->transfer_buffer; - int ret = 0; - - if (!video->is_streaming) - return; - - do { - if (!get_video_frame(front, video)) - goto out; - - switch (get_chunk(head, urb, &head, &tail, &bubble_err)) { - case GET_SUCCESS: - copy_vbi_video_data(video, src + (head * ISO_PKT_SIZE), - (tail - head + 1) * ISO_PKT_SIZE); - break; - case GET_TRAILER: - check_trailer(video, src + (head * ISO_PKT_SIZE), - ISO_PKT_SIZE); - break; - case GET_NONE: - goto out; - case GET_TOO_MUCH_BUBBLE: - log("\t We got too much bubble"); - schedule_work(&video->bubble_work); - return; - } - } while (head = tail + 1, head < urb->number_of_packets); - -out: - ret = usb_submit_urb(urb, GFP_ATOMIC); - if (ret) - log("usb_submit_urb err : %d", ret); -} -/*============================= [ end ] =====================*/ - -static int prepare_iso_urb(struct video_data *video) -{ - struct usb_device *udev = video->pd->udev; - int i; - - if (video->urb_array[0]) - return 0; - - for (i = 0; i < SBUF_NUM; i++) { - struct urb *urb; - void *mem; - int j; - - urb = usb_alloc_urb(PK_PER_URB, GFP_KERNEL); - if (urb == NULL) - goto out; - - video->urb_array[i] = urb; - mem = usb_alloc_coherent(udev, - ISO_PKT_SIZE * PK_PER_URB, - GFP_KERNEL, - &urb->transfer_dma); - - urb->complete = urb_complete_iso; /* handler */ - urb->dev = udev; - urb->context = video->front; - urb->pipe = usb_rcvisocpipe(udev, - video->endpoint_addr); - urb->interval = 1; - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - urb->number_of_packets = PK_PER_URB; - urb->transfer_buffer = mem; - urb->transfer_buffer_length = PK_PER_URB * ISO_PKT_SIZE; - - for (j = 0; j < PK_PER_URB; j++) { - urb->iso_frame_desc[j].offset = ISO_PKT_SIZE * j; - urb->iso_frame_desc[j].length = ISO_PKT_SIZE; - } - } - return 0; -out: - for (; i > 0; i--) - ; - return -ENOMEM; -} - -/* return the succeeded number of the allocation */ -int alloc_bulk_urbs_generic(struct urb **urb_array, int num, - struct usb_device *udev, u8 ep_addr, - int buf_size, gfp_t gfp_flags, - usb_complete_t complete_fn, void *context) -{ - int i = 0; - - for (; i < num; i++) { - void *mem; - struct urb *urb = usb_alloc_urb(0, gfp_flags); - if (urb == NULL) - return i; - - mem = usb_alloc_coherent(udev, buf_size, gfp_flags, - &urb->transfer_dma); - if (mem == NULL) { - usb_free_urb(urb); - return i; - } - - usb_fill_bulk_urb(urb, udev, usb_rcvbulkpipe(udev, ep_addr), - mem, buf_size, complete_fn, context); - urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; - urb_array[i] = urb; - } - return i; -} - -void free_all_urb_generic(struct urb **urb_array, int num) -{ - int i; - struct urb *urb; - - for (i = 0; i < num; i++) { - urb = urb_array[i]; - if (urb) { - usb_free_coherent(urb->dev, - urb->transfer_buffer_length, - urb->transfer_buffer, - urb->transfer_dma); - usb_free_urb(urb); - urb_array[i] = NULL; - } - } -} - -static int prepare_bulk_urb(struct video_data *video) -{ - if (video->urb_array[0]) - return 0; - - alloc_bulk_urbs_generic(video->urb_array, SBUF_NUM, - video->pd->udev, video->endpoint_addr, - 0x2000, GFP_KERNEL, - urb_complete_bulk, video->front); - return 0; -} - -/* free the URBs */ -static void free_all_urb(struct video_data *video) -{ - free_all_urb_generic(video->urb_array, SBUF_NUM); -} - -static void pd_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - videobuf_vmalloc_free(vb); - vb->state = VIDEOBUF_NEEDS_INIT; -} - -static void pd_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb) -{ - struct front_face *front = q->priv_data; - vb->state = VIDEOBUF_QUEUED; - list_add_tail(&vb->queue, &front->active); -} - -static int pd_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct front_face *front = q->priv_data; - int rc; - - switch (front->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - if (VIDEOBUF_NEEDS_INIT == vb->state) { - struct v4l2_pix_format *pix; - - pix = &front->pd->video_data.context.pix; - vb->size = pix->sizeimage; /* real frame size */ - vb->width = pix->width; - vb->height = pix->height; - rc = videobuf_iolock(q, vb, NULL); - if (rc < 0) - return rc; - } - break; - case V4L2_BUF_TYPE_VBI_CAPTURE: - if (VIDEOBUF_NEEDS_INIT == vb->state) { - vb->size = front->pd->vbi_data.vbi_size; - rc = videobuf_iolock(q, vb, NULL); - if (rc < 0) - return rc; - } - break; - default: - return -EINVAL; - } - vb->field = field; - vb->state = VIDEOBUF_PREPARED; - return 0; -} - -static int fire_all_urb(struct video_data *video) -{ - int i, ret; - - video->is_streaming = 1; - - for (i = 0; i < SBUF_NUM; i++) { - ret = usb_submit_urb(video->urb_array[i], GFP_KERNEL); - if (ret) - log("(%d) failed: error %d", i, ret); - } - return ret; -} - -static int start_video_stream(struct poseidon *pd) -{ - struct video_data *video = &pd->video_data; - s32 cmd_status; - - send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); - send_set_req(pd, PLAY_SERVICE, TLG_TUNE_PLAY_SVC_START, &cmd_status); - - if (pd->cur_transfer_mode) { - prepare_iso_urb(video); - INIT_WORK(&video->bubble_work, iso_bubble_handler); - } else { - /* The bulk mode does not need a bubble handler */ - prepare_bulk_urb(video); - } - fire_all_urb(video); - return 0; -} - -static int pd_buf_setup(struct videobuf_queue *q, unsigned int *count, - unsigned int *size) -{ - struct front_face *front = q->priv_data; - struct poseidon *pd = front->pd; - - switch (front->type) { - default: - return -EINVAL; - case V4L2_BUF_TYPE_VIDEO_CAPTURE: { - struct video_data *video = &pd->video_data; - struct v4l2_pix_format *pix = &video->context.pix; - - *size = PAGE_ALIGN(pix->sizeimage);/* page aligned frame size */ - if (*count < 4) - *count = 4; - if (1) { - /* same in different altersetting */ - video->endpoint_addr = 0x82; - video->vbi = &pd->vbi_data; - video->vbi->video = video; - video->pd = pd; - video->lines_per_field = pix->height / 2; - video->lines_size = pix->width * 2; - video->front = front; - } - return start_video_stream(pd); - } - - case V4L2_BUF_TYPE_VBI_CAPTURE: { - struct vbi_data *vbi = &pd->vbi_data; - - *size = PAGE_ALIGN(vbi->vbi_size); - log("size : %d", *size); - if (*count == 0) - *count = 4; - } - break; - } - return 0; -} - -static struct videobuf_queue_ops pd_video_qops = { - .buf_setup = pd_buf_setup, - .buf_prepare = pd_buf_prepare, - .buf_queue = pd_buf_queue, - .buf_release = pd_buf_release, -}; - -static int vidioc_enum_fmt(struct file *file, void *fh, - struct v4l2_fmtdesc *f) -{ - if (ARRAY_SIZE(poseidon_formats) <= f->index) - return -EINVAL; - f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - f->flags = 0; - f->pixelformat = poseidon_formats[f->index].fourcc; - strcpy(f->description, poseidon_formats[f->index].name); - return 0; -} - -static int vidioc_g_fmt(struct file *file, void *fh, struct v4l2_format *f) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - - f->fmt.pix = pd->video_data.context.pix; - return 0; -} - -/* - * VLC calls VIDIOC_S_STD before VIDIOC_S_FMT, while - * Mplayer calls them in the reverse order. - */ -static int pd_vidioc_s_fmt(struct poseidon *pd, struct v4l2_pix_format *pix) -{ - struct video_data *video = &pd->video_data; - struct running_context *context = &video->context; - struct v4l2_pix_format *pix_def = &context->pix; - s32 ret = 0, cmd_status = 0, vid_resol; - - /* set the pixel format to firmware */ - if (pix->pixelformat == V4L2_PIX_FMT_RGB565) { - vid_resol = TLG_TUNER_VID_FORMAT_RGB_565; - } else { - pix->pixelformat = V4L2_PIX_FMT_YUYV; - vid_resol = TLG_TUNER_VID_FORMAT_YUV; - } - ret = send_set_req(pd, VIDEO_STREAM_FMT_SEL, - vid_resol, &cmd_status); - - /* set the resolution to firmware */ - vid_resol = TLG_TUNE_VID_RES_720; - switch (pix->width) { - case 704: - vid_resol = TLG_TUNE_VID_RES_704; - break; - default: - pix->width = 720; - case 720: - break; - } - ret |= send_set_req(pd, VIDEO_ROSOLU_SEL, - vid_resol, &cmd_status); - if (ret || cmd_status) - return -EBUSY; - - pix_def->pixelformat = pix->pixelformat; /* save it */ - pix->height = (context->tvnormid & V4L2_STD_525_60) ? 480 : 576; - - /* Compare with the default setting */ - if ((pix_def->width != pix->width) - || (pix_def->height != pix->height)) { - pix_def->width = pix->width; - pix_def->height = pix->height; - pix_def->bytesperline = pix->width * 2; - pix_def->sizeimage = pix->width * pix->height * 2; - } - *pix = *pix_def; - - return 0; -} - -static int vidioc_s_fmt(struct file *file, void *fh, struct v4l2_format *f) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - - /* stop VBI here */ - if (V4L2_BUF_TYPE_VIDEO_CAPTURE != f->type) - return -EINVAL; - - mutex_lock(&pd->lock); - if (pd->file_for_stream == NULL) - pd->file_for_stream = file; - else if (file != pd->file_for_stream) { - mutex_unlock(&pd->lock); - return -EINVAL; - } - - pd_vidioc_s_fmt(pd, &f->fmt.pix); - mutex_unlock(&pd->lock); - return 0; -} - -static int vidioc_g_fmt_vbi(struct file *file, void *fh, - struct v4l2_format *v4l2_f) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - struct v4l2_vbi_format *vbi_fmt = &v4l2_f->fmt.vbi; - - vbi_fmt->samples_per_line = 720 * 2; - vbi_fmt->sampling_rate = 6750000 * 4; - vbi_fmt->sample_format = V4L2_PIX_FMT_GREY; - vbi_fmt->offset = 64 * 4; /*FIXME: why offset */ - if (pd->video_data.context.tvnormid & V4L2_STD_525_60) { - vbi_fmt->start[0] = 10; - vbi_fmt->start[1] = 264; - vbi_fmt->count[0] = V4L_NTSC_VBI_LINES; - vbi_fmt->count[1] = V4L_NTSC_VBI_LINES; - } else { - vbi_fmt->start[0] = 6; - vbi_fmt->start[1] = 314; - vbi_fmt->count[0] = V4L_PAL_VBI_LINES; - vbi_fmt->count[1] = V4L_PAL_VBI_LINES; - } - vbi_fmt->flags = V4L2_VBI_UNSYNC; - return 0; -} - -static int set_std(struct poseidon *pd, v4l2_std_id norm) -{ - struct video_data *video = &pd->video_data; - struct vbi_data *vbi = &pd->vbi_data; - struct running_context *context; - struct v4l2_pix_format *pix; - s32 i, ret = 0, cmd_status, param; - int height; - - for (i = 0; i < POSEIDON_TVNORMS; i++) { - if (norm & poseidon_tvnorms[i].v4l2_id) { - param = poseidon_tvnorms[i].tlg_tvnorm; - log("name : %s", poseidon_tvnorms[i].name); - goto found; - } - } - return -EINVAL; -found: - mutex_lock(&pd->lock); - ret = send_set_req(pd, VIDEO_STD_SEL, param, &cmd_status); - if (ret || cmd_status) - goto out; - - /* Set vbi size and check the height of the frame */ - context = &video->context; - context->tvnormid = poseidon_tvnorms[i].v4l2_id; - if (context->tvnormid & V4L2_STD_525_60) { - vbi->vbi_size = V4L_NTSC_VBI_FRAMESIZE; - height = 480; - } else { - vbi->vbi_size = V4L_PAL_VBI_FRAMESIZE; - height = 576; - } - - pix = &context->pix; - if (pix->height != height) { - pix->height = height; - pix->sizeimage = pix->width * pix->height * 2; - } - -out: - mutex_unlock(&pd->lock); - return ret; -} - -static int vidioc_s_std(struct file *file, void *fh, v4l2_std_id norm) -{ - struct front_face *front = fh; - - return set_std(front->pd, norm); -} - -static int vidioc_g_std(struct file *file, void *fh, v4l2_std_id *norm) -{ - struct front_face *front = fh; - - *norm = front->pd->video_data.context.tvnormid; - return 0; -} - -static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *in) -{ - if (in->index >= POSEIDON_INPUTS) - return -EINVAL; - strcpy(in->name, pd_inputs[in->index].name); - in->type = V4L2_INPUT_TYPE_TUNER; - - /* - * the audio input index mixed with this video input, - * Poseidon only have one audio/video, set to "0" - */ - in->audioset = 1; - in->tuner = 0; - in->std = V4L2_STD_ALL; - in->status = 0; - return 0; -} - -static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - struct running_context *context = &pd->video_data.context; - - *i = context->sig_index; - return 0; -} - -/* We can support several inputs */ -static int vidioc_s_input(struct file *file, void *fh, unsigned int i) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - s32 ret, cmd_status; - - if (i >= POSEIDON_INPUTS) - return -EINVAL; - ret = send_set_req(pd, SGNL_SRC_SEL, - pd_inputs[i].tlg_src, &cmd_status); - if (ret) - return ret; - - pd->video_data.context.sig_index = i; - return 0; -} - -static int tlg_s_ctrl(struct v4l2_ctrl *c) -{ - struct poseidon *pd = container_of(c->handler, struct poseidon, - video_data.ctrl_handler); - struct tuner_custom_parameter_s param = {0}; - s32 ret = 0, cmd_status, params; - - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - param.param_id = CUST_PARM_ID_BRIGHTNESS_CTRL; - break; - case V4L2_CID_CONTRAST: - param.param_id = CUST_PARM_ID_CONTRAST_CTRL; - break; - case V4L2_CID_HUE: - param.param_id = CUST_PARM_ID_HUE_CTRL; - break; - case V4L2_CID_SATURATION: - param.param_id = CUST_PARM_ID_SATURATION_CTRL; - break; - } - param.param_value = c->val; - params = *(s32 *)¶m; /* temp code */ - - mutex_lock(&pd->lock); - ret = send_set_req(pd, TUNER_CUSTOM_PARAMETER, params, &cmd_status); - ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); - mutex_unlock(&pd->lock); - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ/4); - return ret; -} - -/* Audio ioctls */ -static int vidioc_enumaudio(struct file *file, void *fh, struct v4l2_audio *a) -{ - if (0 != a->index) - return -EINVAL; - a->capability = V4L2_AUDCAP_STEREO; - strcpy(a->name, "USB audio in"); - /*Poseidon have no AVL function.*/ - a->mode = 0; - return 0; -} - -static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) -{ - a->index = 0; - a->capability = V4L2_AUDCAP_STEREO; - strcpy(a->name, "USB audio in"); - a->mode = 0; - return 0; -} - -static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a) -{ - return (0 == a->index) ? 0 : -EINVAL; -} - -/* Tuner ioctls */ -static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *tuner) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - struct tuner_atv_sig_stat_s atv_stat; - s32 count = 5, ret, cmd_status; - int index; - - if (0 != tuner->index) - return -EINVAL; - - mutex_lock(&pd->lock); - ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_ANALOG_TV, - &atv_stat, &cmd_status, sizeof(atv_stat)); - - while (atv_stat.sig_lock_busy && count-- && !ret) { - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ); - - ret = send_get_req(pd, TUNER_STATUS, TLG_MODE_ANALOG_TV, - &atv_stat, &cmd_status, sizeof(atv_stat)); - } - mutex_unlock(&pd->lock); - - if (debug_mode) - log("P:%d,S:%d", atv_stat.sig_present, atv_stat.sig_strength); - - if (ret || cmd_status) - tuner->signal = 0; - else if (atv_stat.sig_present && !atv_stat.sig_strength) - tuner->signal = 0xFFFF; - else - tuner->signal = (atv_stat.sig_strength * 255 / 10) << 8; - - strcpy(tuner->name, "Telegent Systems"); - tuner->type = V4L2_TUNER_ANALOG_TV; - tuner->rangelow = TUNER_FREQ_MIN / 62500; - tuner->rangehigh = TUNER_FREQ_MAX / 62500; - tuner->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | - V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2; - index = pd->video_data.context.audio_idx; - tuner->rxsubchans = pd_audio_modes[index].v4l2_audio_sub; - tuner->audmode = pd_audio_modes[index].v4l2_audio_mode; - tuner->afc = 0; - return 0; -} - -static int pd_vidioc_s_tuner(struct poseidon *pd, int index) -{ - s32 ret = 0, cmd_status, param, audiomode; - - mutex_lock(&pd->lock); - param = pd_audio_modes[index].tlg_audio_mode; - ret = send_set_req(pd, TUNER_AUD_MODE, param, &cmd_status); - audiomode = get_audio_std(pd->video_data.context.tvnormid); - ret |= send_set_req(pd, TUNER_AUD_ANA_STD, audiomode, - &cmd_status); - if (!ret) - pd->video_data.context.audio_idx = index; - mutex_unlock(&pd->lock); - return ret; -} - -static int vidioc_s_tuner(struct file *file, void *fh, const struct v4l2_tuner *a) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - int index; - - if (0 != a->index) - return -EINVAL; - for (index = 0; index < POSEIDON_AUDIOMODS; index++) - if (a->audmode == pd_audio_modes[index].v4l2_audio_mode) - return pd_vidioc_s_tuner(pd, index); - return -EINVAL; -} - -static int vidioc_g_frequency(struct file *file, void *fh, - struct v4l2_frequency *freq) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - struct running_context *context = &pd->video_data.context; - - if (0 != freq->tuner) - return -EINVAL; - freq->frequency = context->freq; - freq->type = V4L2_TUNER_ANALOG_TV; - return 0; -} - -static int set_frequency(struct poseidon *pd, u32 *frequency) -{ - s32 ret = 0, param, cmd_status; - struct running_context *context = &pd->video_data.context; - - *frequency = clamp(*frequency, - TUNER_FREQ_MIN / 62500, TUNER_FREQ_MAX / 62500); - param = (*frequency) * 62500 / 1000; - - mutex_lock(&pd->lock); - ret = send_set_req(pd, TUNE_FREQ_SELECT, param, &cmd_status); - ret = send_set_req(pd, TAKE_REQUEST, 0, &cmd_status); - - msleep(250); /* wait for a while until the hardware is ready. */ - context->freq = *frequency; - mutex_unlock(&pd->lock); - return ret; -} - -static int vidioc_s_frequency(struct file *file, void *fh, - const struct v4l2_frequency *freq) -{ - struct front_face *front = fh; - struct poseidon *pd = front->pd; - u32 frequency = freq->frequency; - - if (freq->tuner) - return -EINVAL; -#ifdef CONFIG_PM - pd->pm_suspend = pm_video_suspend; - pd->pm_resume = pm_video_resume; -#endif - return set_frequency(pd, &frequency); -} - -static int vidioc_reqbufs(struct file *file, void *fh, - struct v4l2_requestbuffers *b) -{ - struct front_face *front = file->private_data; - return videobuf_reqbufs(&front->q, b); -} - -static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct front_face *front = file->private_data; - return videobuf_querybuf(&front->q, b); -} - -static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct front_face *front = file->private_data; - return videobuf_qbuf(&front->q, b); -} - -static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *b) -{ - struct front_face *front = file->private_data; - return videobuf_dqbuf(&front->q, b, file->f_flags & O_NONBLOCK); -} - -/* Just stop the URBs, do not free the URBs */ -static int usb_transfer_stop(struct video_data *video) -{ - if (video->is_streaming) { - int i; - s32 cmd_status; - struct poseidon *pd = video->pd; - - video->is_streaming = 0; - for (i = 0; i < SBUF_NUM; ++i) { - if (video->urb_array[i]) - usb_kill_urb(video->urb_array[i]); - } - - send_set_req(pd, PLAY_SERVICE, TLG_TUNE_PLAY_SVC_STOP, - &cmd_status); - } - return 0; -} - -int stop_all_video_stream(struct poseidon *pd) -{ - struct video_data *video = &pd->video_data; - struct vbi_data *vbi = &pd->vbi_data; - - mutex_lock(&pd->lock); - if (video->is_streaming) { - struct front_face *front = video->front; - - /* stop the URBs */ - usb_transfer_stop(video); - free_all_urb(video); - - /* stop the host side of VIDEO */ - videobuf_stop(&front->q); - videobuf_mmap_free(&front->q); - - /* stop the host side of VBI */ - front = vbi->front; - if (front) { - videobuf_stop(&front->q); - videobuf_mmap_free(&front->q); - } - } - mutex_unlock(&pd->lock); - return 0; -} - -/* - * The bubbles can seriously damage the video's quality, - * though it occurs in very rare situation. - */ -static void iso_bubble_handler(struct work_struct *w) -{ - struct video_data *video; - struct poseidon *pd; - - video = container_of(w, struct video_data, bubble_work); - pd = video->pd; - - mutex_lock(&pd->lock); - usb_transfer_stop(video); - msleep(500); - start_video_stream(pd); - mutex_unlock(&pd->lock); -} - - -static int vidioc_streamon(struct file *file, void *fh, - enum v4l2_buf_type type) -{ - struct front_face *front = fh; - - if (unlikely(type != front->type)) - return -EINVAL; - return videobuf_streamon(&front->q); -} - -static int vidioc_streamoff(struct file *file, void *fh, - enum v4l2_buf_type type) -{ - struct front_face *front = file->private_data; - - if (unlikely(type != front->type)) - return -EINVAL; - return videobuf_streamoff(&front->q); -} - -/* Set the firmware's default values : need altersetting */ -static int pd_video_checkmode(struct poseidon *pd) -{ - s32 ret = 0, cmd_status, audiomode; - - set_current_state(TASK_INTERRUPTIBLE); - schedule_timeout(HZ/2); - - /* choose the altersetting */ - ret = usb_set_interface(pd->udev, 0, - (pd->cur_transfer_mode ? - ISO_3K_BULK_ALTERNATE_IFACE : - BULK_ALTERNATE_IFACE)); - if (ret < 0) - goto error; - - /* set default parameters for PAL-D , with the VBI enabled*/ - ret = set_tuner_mode(pd, TLG_MODE_ANALOG_TV); - ret |= send_set_req(pd, SGNL_SRC_SEL, - TLG_SIG_SRC_ANTENNA, &cmd_status); - ret |= send_set_req(pd, VIDEO_STD_SEL, - TLG_TUNE_VSTD_PAL_D, &cmd_status); - ret |= send_set_req(pd, VIDEO_STREAM_FMT_SEL, - TLG_TUNER_VID_FORMAT_YUV, &cmd_status); - ret |= send_set_req(pd, VIDEO_ROSOLU_SEL, - TLG_TUNE_VID_RES_720, &cmd_status); - ret |= send_set_req(pd, TUNE_FREQ_SELECT, TUNER_FREQ_MIN, &cmd_status); - ret |= send_set_req(pd, VBI_DATA_SEL, 1, &cmd_status);/* enable vbi */ - - /* set the audio */ - audiomode = get_audio_std(pd->video_data.context.tvnormid); - ret |= send_set_req(pd, TUNER_AUD_ANA_STD, audiomode, &cmd_status); - ret |= send_set_req(pd, TUNER_AUD_MODE, - TLG_TUNE_TVAUDIO_MODE_STEREO, &cmd_status); - ret |= send_set_req(pd, AUDIO_SAMPLE_RATE_SEL, - ATV_AUDIO_RATE_48K, &cmd_status); -error: - return ret; -} - -#ifdef CONFIG_PM -static int pm_video_suspend(struct poseidon *pd) -{ - /* stop audio */ - pm_alsa_suspend(pd); - - /* stop and free all the URBs */ - usb_transfer_stop(&pd->video_data); - free_all_urb(&pd->video_data); - - /* reset the interface */ - usb_set_interface(pd->udev, 0, 0); - msleep(300); - return 0; -} - -static int restore_v4l2_context(struct poseidon *pd, - struct running_context *context) -{ - struct front_face *front = pd->video_data.front; - - pd_video_checkmode(pd); - - set_std(pd, context->tvnormid); - vidioc_s_input(NULL, front, context->sig_index); - pd_vidioc_s_tuner(pd, context->audio_idx); - pd_vidioc_s_fmt(pd, &context->pix); - set_frequency(pd, &context->freq); - return 0; -} - -static int pm_video_resume(struct poseidon *pd) -{ - struct video_data *video = &pd->video_data; - - /* resume the video */ - /* [1] restore the origin V4L2 parameters */ - restore_v4l2_context(pd, &video->context); - - /* [2] initiate video copy variables */ - if (video->front->curr_frame) - init_copy(video, 0); - - /* [3] fire urbs */ - start_video_stream(pd); - - /* resume the audio */ - pm_alsa_resume(pd); - return 0; -} -#endif - -void set_debug_mode(struct video_device *vfd, int debug_mode) -{ - vfd->debug = 0; - if (debug_mode & 0x1) - vfd->debug = V4L2_DEBUG_IOCTL; - if (debug_mode & 0x2) - vfd->debug = V4L2_DEBUG_IOCTL | V4L2_DEBUG_IOCTL_ARG; -} - -static void init_video_context(struct running_context *context) -{ - context->sig_index = 0; - context->audio_idx = 1; /* stereo */ - context->tvnormid = V4L2_STD_PAL_D; - context->pix = (struct v4l2_pix_format) { - .width = 720, - .height = 576, - .pixelformat = V4L2_PIX_FMT_YUYV, - .field = V4L2_FIELD_INTERLACED, - .bytesperline = 720 * 2, - .sizeimage = 720 * 576 * 2, - .colorspace = V4L2_COLORSPACE_SMPTE170M, - }; -} - -static int pd_video_open(struct file *file) -{ - struct video_device *vfd = video_devdata(file); - struct poseidon *pd = video_get_drvdata(vfd); - struct front_face *front = NULL; - int ret = -ENOMEM; - - mutex_lock(&pd->lock); - usb_autopm_get_interface(pd->interface); - - if (pd->state && !(pd->state & POSEIDON_STATE_ANALOG)) { - ret = -EBUSY; - goto out; - } - front = kzalloc(sizeof(struct front_face), GFP_KERNEL); - if (!front) - goto out; - if (vfd->vfl_type == VFL_TYPE_GRABBER) { - pd->cur_transfer_mode = usb_transfer_mode;/* bulk or iso */ - init_video_context(&pd->video_data.context); - - ret = pd_video_checkmode(pd); - if (ret < 0) { - kfree(front); - ret = -1; - goto out; - } - - front->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - pd->video_data.users++; - set_debug_mode(vfd, debug_mode); - - videobuf_queue_vmalloc_init(&front->q, &pd_video_qops, - NULL, &front->queue_lock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED,/* video is interlacd */ - sizeof(struct videobuf_buffer),/*it's enough*/ - front, NULL); - } else { - front->type = V4L2_BUF_TYPE_VBI_CAPTURE; - pd->vbi_data.front = front; - pd->vbi_data.users++; - - videobuf_queue_vmalloc_init(&front->q, &pd_video_qops, - NULL, &front->queue_lock, - V4L2_BUF_TYPE_VBI_CAPTURE, - V4L2_FIELD_NONE, /* vbi is NONE mode */ - sizeof(struct videobuf_buffer), - front, NULL); - } - - pd->state |= POSEIDON_STATE_ANALOG; - front->pd = pd; - front->curr_frame = NULL; - INIT_LIST_HEAD(&front->active); - spin_lock_init(&front->queue_lock); - - file->private_data = front; - kref_get(&pd->kref); - - mutex_unlock(&pd->lock); - return 0; -out: - usb_autopm_put_interface(pd->interface); - mutex_unlock(&pd->lock); - return ret; -} - -static int pd_video_release(struct file *file) -{ - struct front_face *front = file->private_data; - struct poseidon *pd = front->pd; - s32 cmd_status = 0; - - mutex_lock(&pd->lock); - - if (front->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - /* stop the device, and free the URBs */ - usb_transfer_stop(&pd->video_data); - free_all_urb(&pd->video_data); - - /* stop the firmware */ - send_set_req(pd, PLAY_SERVICE, TLG_TUNE_PLAY_SVC_STOP, - &cmd_status); - - pd->file_for_stream = NULL; - pd->video_data.users--; - } else if (front->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - pd->vbi_data.front = NULL; - pd->vbi_data.users--; - } - if (!pd->vbi_data.users && !pd->video_data.users) - pd->state &= ~POSEIDON_STATE_ANALOG; - videobuf_stop(&front->q); - videobuf_mmap_free(&front->q); - - usb_autopm_put_interface(pd->interface); - mutex_unlock(&pd->lock); - - kfree(front); - file->private_data = NULL; - kref_put(&pd->kref, poseidon_delete); - return 0; -} - -static int pd_video_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct front_face *front = file->private_data; - return videobuf_mmap_mapper(&front->q, vma); -} - -static unsigned int pd_video_poll(struct file *file, poll_table *table) -{ - struct front_face *front = file->private_data; - return videobuf_poll_stream(file, &front->q, table); -} - -static ssize_t pd_video_read(struct file *file, char __user *buffer, - size_t count, loff_t *ppos) -{ - struct front_face *front = file->private_data; - return videobuf_read_stream(&front->q, buffer, count, ppos, - 0, file->f_flags & O_NONBLOCK); -} - -/* This struct works for both VIDEO and VBI */ -static const struct v4l2_file_operations pd_video_fops = { - .owner = THIS_MODULE, - .open = pd_video_open, - .release = pd_video_release, - .read = pd_video_read, - .poll = pd_video_poll, - .mmap = pd_video_mmap, - .ioctl = video_ioctl2, /* maybe changed in future */ -}; - -static const struct v4l2_ioctl_ops pd_video_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - - /* Video format */ - .vidioc_g_fmt_vid_cap = vidioc_g_fmt, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt, - .vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi, /* VBI */ - - /* Input */ - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_enum_input = vidioc_enum_input, - - /* Audio ioctls */ - .vidioc_enumaudio = vidioc_enumaudio, - .vidioc_g_audio = vidioc_g_audio, - .vidioc_s_audio = vidioc_s_audio, - - /* Tuner ioctls */ - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_std = vidioc_g_std, - .vidioc_s_std = vidioc_s_std, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - - /* Buffer handlers */ - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, - - /* Stream on/off */ - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, -}; - -static struct video_device pd_video_template = { - .name = "Telegent-Video", - .fops = &pd_video_fops, - .minor = -1, - .release = video_device_release_empty, - .tvnorms = V4L2_STD_ALL, - .ioctl_ops = &pd_video_ioctl_ops, -}; - -static const struct v4l2_ctrl_ops tlg_ctrl_ops = { - .s_ctrl = tlg_s_ctrl, -}; - -void pd_video_exit(struct poseidon *pd) -{ - struct video_data *video = &pd->video_data; - struct vbi_data *vbi = &pd->vbi_data; - - video_unregister_device(&video->v_dev); - video_unregister_device(&vbi->v_dev); - v4l2_ctrl_handler_free(&video->ctrl_handler); - log(); -} - -int pd_video_init(struct poseidon *pd) -{ - struct video_data *video = &pd->video_data; - struct vbi_data *vbi = &pd->vbi_data; - struct v4l2_ctrl_handler *hdl = &video->ctrl_handler; - u32 freq = TUNER_FREQ_MIN / 62500; - int ret = -ENOMEM; - - v4l2_ctrl_handler_init(hdl, 4); - v4l2_ctrl_new_std(hdl, &tlg_ctrl_ops, V4L2_CID_BRIGHTNESS, - 0, 10000, 1, 100); - v4l2_ctrl_new_std(hdl, &tlg_ctrl_ops, V4L2_CID_CONTRAST, - 0, 10000, 1, 100); - v4l2_ctrl_new_std(hdl, &tlg_ctrl_ops, V4L2_CID_HUE, - 0, 10000, 1, 100); - v4l2_ctrl_new_std(hdl, &tlg_ctrl_ops, V4L2_CID_SATURATION, - 0, 10000, 1, 100); - if (hdl->error) { - v4l2_ctrl_handler_free(hdl); - return hdl->error; - } - set_frequency(pd, &freq); - video->v_dev = pd_video_template; - video->v_dev.v4l2_dev = &pd->v4l2_dev; - video->v_dev.ctrl_handler = hdl; - video_set_drvdata(&video->v_dev, pd); - - ret = video_register_device(&video->v_dev, VFL_TYPE_GRABBER, -1); - if (ret != 0) - goto out; - - /* VBI uses the same template as video */ - vbi->v_dev = pd_video_template; - vbi->v_dev.v4l2_dev = &pd->v4l2_dev; - vbi->v_dev.ctrl_handler = hdl; - video_set_drvdata(&vbi->v_dev, pd); - ret = video_register_device(&vbi->v_dev, VFL_TYPE_VBI, -1); - if (ret != 0) - goto out; - log("register VIDEO/VBI devices"); - return 0; -out: - log("VIDEO/VBI devices register failed, : %d", ret); - pd_video_exit(pd); - return ret; -} |