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Diffstat (limited to 'drivers/staging/media/tlg2300/pd-video.c')
-rw-r--r--drivers/staging/media/tlg2300/pd-video.c1560
1 files changed, 0 insertions, 1560 deletions
diff --git a/drivers/staging/media/tlg2300/pd-video.c b/drivers/staging/media/tlg2300/pd-video.c
deleted file mode 100644
index c0c3c1c..0000000
--- a/drivers/staging/media/tlg2300/pd-video.c
+++ /dev/null
@@ -1,1560 +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 *)&param; /* 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
-
-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++;
-
- 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;
-}

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