mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-09 09:16:38 +07:00
ca1178ed6a
ioctl debugging can now be done through the debug parameter in sysfs. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Huang Shijie <shijie8@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1571 lines
39 KiB
C
1571 lines
39 KiB
C
#include <linux/fs.h>
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#include <linux/vmalloc.h>
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#include <linux/videodev2.h>
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#include <linux/usb.h>
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#include <linux/mm.h>
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#include <linux/sched.h>
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#include <linux/slab.h>
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#include <media/v4l2-ioctl.h>
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#include <media/v4l2-dev.h>
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#include <media/v4l2-ctrls.h>
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#include "pd-common.h"
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#include "vendorcmds.h"
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#ifdef CONFIG_PM
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static int pm_video_suspend(struct poseidon *pd);
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static int pm_video_resume(struct poseidon *pd);
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#endif
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static void iso_bubble_handler(struct work_struct *w);
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static int usb_transfer_mode;
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module_param(usb_transfer_mode, int, 0644);
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MODULE_PARM_DESC(usb_transfer_mode, "0 = Bulk, 1 = Isochronous");
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static const struct poseidon_format poseidon_formats[] = {
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{ "YUV 422", V4L2_PIX_FMT_YUYV, 16, 0},
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{ "RGB565", V4L2_PIX_FMT_RGB565, 16, 0},
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};
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static const struct poseidon_tvnorm poseidon_tvnorms[] = {
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{ V4L2_STD_PAL_D, "PAL-D", TLG_TUNE_VSTD_PAL_D },
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{ V4L2_STD_PAL_B, "PAL-B", TLG_TUNE_VSTD_PAL_B },
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{ V4L2_STD_PAL_G, "PAL-G", TLG_TUNE_VSTD_PAL_G },
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{ V4L2_STD_PAL_H, "PAL-H", TLG_TUNE_VSTD_PAL_H },
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{ V4L2_STD_PAL_I, "PAL-I", TLG_TUNE_VSTD_PAL_I },
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{ V4L2_STD_PAL_M, "PAL-M", TLG_TUNE_VSTD_PAL_M },
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{ V4L2_STD_PAL_N, "PAL-N", TLG_TUNE_VSTD_PAL_N_COMBO },
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{ V4L2_STD_PAL_Nc, "PAL-Nc", TLG_TUNE_VSTD_PAL_N_COMBO },
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{ V4L2_STD_NTSC_M, "NTSC-M", TLG_TUNE_VSTD_NTSC_M },
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{ V4L2_STD_NTSC_M_JP, "NTSC-JP", TLG_TUNE_VSTD_NTSC_M_J },
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{ V4L2_STD_SECAM_B, "SECAM-B", TLG_TUNE_VSTD_SECAM_B },
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{ V4L2_STD_SECAM_D, "SECAM-D", TLG_TUNE_VSTD_SECAM_D },
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{ V4L2_STD_SECAM_G, "SECAM-G", TLG_TUNE_VSTD_SECAM_G },
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{ V4L2_STD_SECAM_H, "SECAM-H", TLG_TUNE_VSTD_SECAM_H },
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{ V4L2_STD_SECAM_K, "SECAM-K", TLG_TUNE_VSTD_SECAM_K },
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{ V4L2_STD_SECAM_K1, "SECAM-K1", TLG_TUNE_VSTD_SECAM_K1 },
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{ V4L2_STD_SECAM_L, "SECAM-L", TLG_TUNE_VSTD_SECAM_L },
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{ V4L2_STD_SECAM_LC, "SECAM-LC", TLG_TUNE_VSTD_SECAM_L1 },
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};
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static const unsigned int POSEIDON_TVNORMS = ARRAY_SIZE(poseidon_tvnorms);
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struct pd_audio_mode {
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u32 tlg_audio_mode;
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u32 v4l2_audio_sub;
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u32 v4l2_audio_mode;
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};
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static const struct pd_audio_mode pd_audio_modes[] = {
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{ TLG_TUNE_TVAUDIO_MODE_MONO, V4L2_TUNER_SUB_MONO,
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V4L2_TUNER_MODE_MONO },
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{ TLG_TUNE_TVAUDIO_MODE_STEREO, V4L2_TUNER_SUB_STEREO,
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V4L2_TUNER_MODE_STEREO },
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{ TLG_TUNE_TVAUDIO_MODE_LANG_A, V4L2_TUNER_SUB_LANG1,
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V4L2_TUNER_MODE_LANG1 },
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{ TLG_TUNE_TVAUDIO_MODE_LANG_B, V4L2_TUNER_SUB_LANG2,
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V4L2_TUNER_MODE_LANG2 },
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{ TLG_TUNE_TVAUDIO_MODE_LANG_C, V4L2_TUNER_SUB_LANG1,
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V4L2_TUNER_MODE_LANG1_LANG2 }
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};
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static const unsigned int POSEIDON_AUDIOMODS = ARRAY_SIZE(pd_audio_modes);
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struct pd_input {
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char *name;
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uint32_t tlg_src;
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};
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static const struct pd_input pd_inputs[] = {
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{ "TV Antenna", TLG_SIG_SRC_ANTENNA },
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{ "TV Cable", TLG_SIG_SRC_CABLE },
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{ "TV SVideo", TLG_SIG_SRC_SVIDEO },
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{ "TV Composite", TLG_SIG_SRC_COMPOSITE }
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};
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static const unsigned int POSEIDON_INPUTS = ARRAY_SIZE(pd_inputs);
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struct video_std_to_audio_std {
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v4l2_std_id video_std;
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int audio_std;
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};
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static const struct video_std_to_audio_std video_to_audio_map[] = {
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/* country : { 27, 32, 33, 34, 36, 44, 45, 46, 47, 48, 64,
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65, 86, 351, 352, 353, 354, 358, 372, 852, 972 } */
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{ (V4L2_STD_PAL_I | V4L2_STD_PAL_B | V4L2_STD_PAL_D |
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V4L2_STD_SECAM_L | V4L2_STD_SECAM_D), TLG_TUNE_ASTD_NICAM },
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/* country : { 1, 52, 54, 55, 886 } */
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{V4L2_STD_NTSC_M | V4L2_STD_PAL_N | V4L2_STD_PAL_M, TLG_TUNE_ASTD_BTSC},
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/* country : { 81 } */
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{ V4L2_STD_NTSC_M_JP, TLG_TUNE_ASTD_EIAJ },
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/* other country : TLG_TUNE_ASTD_A2 */
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};
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static const unsigned int map_size = ARRAY_SIZE(video_to_audio_map);
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static int get_audio_std(v4l2_std_id v4l2_std)
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{
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int i = 0;
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for (; i < map_size; i++) {
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if (v4l2_std & video_to_audio_map[i].video_std)
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return video_to_audio_map[i].audio_std;
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}
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return TLG_TUNE_ASTD_A2;
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}
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static int vidioc_querycap(struct file *file, void *fh,
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struct v4l2_capability *cap)
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{
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struct video_device *vdev = video_devdata(file);
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struct poseidon *p = video_get_drvdata(vdev);
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strcpy(cap->driver, "tele-video");
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strcpy(cap->card, "Telegent Poseidon");
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usb_make_path(p->udev, cap->bus_info, sizeof(cap->bus_info));
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cap->device_caps = V4L2_CAP_TUNER | V4L2_CAP_AUDIO |
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V4L2_CAP_STREAMING | V4L2_CAP_READWRITE;
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if (vdev->vfl_type == VFL_TYPE_VBI)
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cap->device_caps |= V4L2_CAP_VBI_CAPTURE;
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else
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cap->device_caps |= V4L2_CAP_VIDEO_CAPTURE;
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cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS |
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V4L2_CAP_RADIO | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE;
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return 0;
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}
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/*====================================================================*/
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static void init_copy(struct video_data *video, bool index)
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{
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struct front_face *front = video->front;
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video->field_count = index;
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video->lines_copied = 0;
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video->prev_left = 0 ;
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video->dst = (char *)videobuf_to_vmalloc(front->curr_frame)
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+ index * video->lines_size;
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video->vbi->copied = 0; /* set it here */
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}
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static bool get_frame(struct front_face *front, int *need_init)
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{
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struct videobuf_buffer *vb = front->curr_frame;
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if (vb)
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return true;
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spin_lock(&front->queue_lock);
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if (!list_empty(&front->active)) {
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vb = list_entry(front->active.next,
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struct videobuf_buffer, queue);
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if (need_init)
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*need_init = 1;
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front->curr_frame = vb;
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list_del_init(&vb->queue);
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}
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spin_unlock(&front->queue_lock);
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return !!vb;
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}
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/* check if the video's buffer is ready */
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static bool get_video_frame(struct front_face *front, struct video_data *video)
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{
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int need_init = 0;
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bool ret = true;
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ret = get_frame(front, &need_init);
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if (ret && need_init)
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init_copy(video, 0);
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return ret;
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}
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static void submit_frame(struct front_face *front)
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{
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struct videobuf_buffer *vb = front->curr_frame;
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if (vb == NULL)
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return;
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front->curr_frame = NULL;
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vb->state = VIDEOBUF_DONE;
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vb->field_count++;
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v4l2_get_timestamp(&vb->ts);
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wake_up(&vb->done);
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}
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/*
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* A frame is composed of two fields. If we receive all the two fields,
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* call the submit_frame() to submit the whole frame to applications.
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*/
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static void end_field(struct video_data *video)
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{
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if (1 == video->field_count)
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submit_frame(video->front);
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else
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init_copy(video, 1);
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}
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static void copy_video_data(struct video_data *video, char *src,
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unsigned int count)
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{
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#define copy_data(len) \
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do { \
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if (++video->lines_copied > video->lines_per_field) \
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goto overflow; \
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memcpy(video->dst, src, len);\
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video->dst += len + video->lines_size; \
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src += len; \
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count -= len; \
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} while (0)
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while (count && count >= video->lines_size) {
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if (video->prev_left) {
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copy_data(video->prev_left);
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video->prev_left = 0;
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continue;
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}
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copy_data(video->lines_size);
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}
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if (count && count < video->lines_size) {
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memcpy(video->dst, src, count);
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video->prev_left = video->lines_size - count;
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video->dst += count;
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}
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return;
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overflow:
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end_field(video);
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}
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static void check_trailer(struct video_data *video, char *src, int count)
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{
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struct vbi_data *vbi = video->vbi;
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int offset; /* trailer's offset */
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char *buf;
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offset = (video->context.pix.sizeimage / 2 + vbi->vbi_size / 2)
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- (vbi->copied + video->lines_size * video->lines_copied);
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if (video->prev_left)
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offset -= (video->lines_size - video->prev_left);
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if (offset > count || offset <= 0)
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goto short_package;
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buf = src + offset;
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/* trailer : (VFHS) + U32 + U32 + field_num */
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if (!strncmp(buf, "VFHS", 4)) {
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int field_num = *((u32 *)(buf + 12));
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if ((field_num & 1) ^ video->field_count) {
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init_copy(video, video->field_count);
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return;
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}
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copy_video_data(video, src, offset);
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}
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short_package:
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end_field(video);
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}
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/* ========== Check this more carefully! =========== */
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static inline void copy_vbi_data(struct vbi_data *vbi,
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char *src, unsigned int count)
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{
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struct front_face *front = vbi->front;
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if (front && get_frame(front, NULL)) {
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char *buf = videobuf_to_vmalloc(front->curr_frame);
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if (vbi->video->field_count)
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buf += (vbi->vbi_size / 2);
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memcpy(buf + vbi->copied, src, count);
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}
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vbi->copied += count;
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}
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/*
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* Copy the normal data (VBI or VIDEO) without the trailer.
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* VBI is not interlaced, while VIDEO is interlaced.
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*/
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static inline void copy_vbi_video_data(struct video_data *video,
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char *src, unsigned int count)
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{
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struct vbi_data *vbi = video->vbi;
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unsigned int vbi_delta = (vbi->vbi_size / 2) - vbi->copied;
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if (vbi_delta >= count) {
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copy_vbi_data(vbi, src, count);
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} else {
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if (vbi_delta) {
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copy_vbi_data(vbi, src, vbi_delta);
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/* we receive the two fields of the VBI*/
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if (vbi->front && video->field_count)
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submit_frame(vbi->front);
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}
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copy_video_data(video, src + vbi_delta, count - vbi_delta);
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}
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}
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static void urb_complete_bulk(struct urb *urb)
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{
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struct front_face *front = urb->context;
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struct video_data *video = &front->pd->video_data;
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char *src = (char *)urb->transfer_buffer;
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int count = urb->actual_length;
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int ret = 0;
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if (!video->is_streaming || urb->status) {
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if (urb->status == -EPROTO)
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goto resend_it;
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return;
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}
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if (!get_video_frame(front, video))
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goto resend_it;
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if (count == urb->transfer_buffer_length)
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copy_vbi_video_data(video, src, count);
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else
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check_trailer(video, src, count);
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resend_it:
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ret = usb_submit_urb(urb, GFP_ATOMIC);
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if (ret)
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log(" submit failed: error %d", ret);
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}
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/************************* for ISO *********************/
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#define GET_SUCCESS (0)
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#define GET_TRAILER (1)
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#define GET_TOO_MUCH_BUBBLE (2)
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#define GET_NONE (3)
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static int get_chunk(int start, struct urb *urb,
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int *head, int *tail, int *bubble_err)
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{
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struct usb_iso_packet_descriptor *pkt = NULL;
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int ret = GET_SUCCESS;
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for (*head = *tail = -1; start < urb->number_of_packets; start++) {
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pkt = &urb->iso_frame_desc[start];
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/* handle the bubble of the Hub */
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if (-EOVERFLOW == pkt->status) {
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if (++*bubble_err > urb->number_of_packets / 3)
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return GET_TOO_MUCH_BUBBLE;
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continue;
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}
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/* This is the gap */
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if (pkt->status || pkt->actual_length <= 0
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|| pkt->actual_length > ISO_PKT_SIZE) {
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if (*head != -1)
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break;
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continue;
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}
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/* a good isochronous packet */
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if (pkt->actual_length == ISO_PKT_SIZE) {
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if (*head == -1)
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*head = start;
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*tail = start;
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continue;
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}
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/* trailer is here */
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if (pkt->actual_length < ISO_PKT_SIZE) {
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if (*head == -1) {
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*head = start;
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*tail = start;
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return GET_TRAILER;
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}
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break;
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}
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}
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if (*head == -1 && *tail == -1)
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ret = GET_NONE;
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return ret;
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}
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/*
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* |__|------|___|-----|_______|
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* ^ ^
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* | |
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* gap gap
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*/
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static void urb_complete_iso(struct urb *urb)
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{
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struct front_face *front = urb->context;
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struct video_data *video = &front->pd->video_data;
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int bubble_err = 0, head = 0, tail = 0;
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char *src = (char *)urb->transfer_buffer;
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int ret = 0;
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if (!video->is_streaming)
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return;
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do {
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if (!get_video_frame(front, video))
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goto out;
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switch (get_chunk(head, urb, &head, &tail, &bubble_err)) {
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case GET_SUCCESS:
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copy_vbi_video_data(video, src + (head * ISO_PKT_SIZE),
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(tail - head + 1) * ISO_PKT_SIZE);
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break;
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case GET_TRAILER:
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check_trailer(video, src + (head * ISO_PKT_SIZE),
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ISO_PKT_SIZE);
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break;
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case GET_NONE:
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goto out;
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case GET_TOO_MUCH_BUBBLE:
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log("\t We got too much bubble");
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schedule_work(&video->bubble_work);
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return;
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}
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} while (head = tail + 1, head < urb->number_of_packets);
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out:
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ret = usb_submit_urb(urb, GFP_ATOMIC);
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if (ret)
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log("usb_submit_urb err : %d", ret);
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}
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/*============================= [ end ] =====================*/
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static int prepare_iso_urb(struct video_data *video)
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{
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struct usb_device *udev = video->pd->udev;
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int i;
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if (video->urb_array[0])
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return 0;
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for (i = 0; i < SBUF_NUM; i++) {
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struct urb *urb;
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void *mem;
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int j;
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urb = usb_alloc_urb(PK_PER_URB, GFP_KERNEL);
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if (urb == NULL)
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goto out;
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|
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video->urb_array[i] = urb;
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mem = usb_alloc_coherent(udev,
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ISO_PKT_SIZE * PK_PER_URB,
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GFP_KERNEL,
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&urb->transfer_dma);
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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, 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,
|
|
struct v4l2_frequency *freq)
|
|
{
|
|
struct front_face *front = fh;
|
|
struct poseidon *pd = front->pd;
|
|
|
|
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, &freq->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,
|
|
.priv = 0
|
|
};
|
|
}
|
|
|
|
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;
|
|
}
|