diff options
Diffstat (limited to 'drivers/staging/media/solo6x10/v4l2.c')
| -rw-r--r-- | drivers/staging/media/solo6x10/v4l2.c | 961 |
1 files changed, 0 insertions, 961 deletions
diff --git a/drivers/staging/media/solo6x10/v4l2.c b/drivers/staging/media/solo6x10/v4l2.c deleted file mode 100644 index ca774cc57539..000000000000 --- a/drivers/staging/media/solo6x10/v4l2.c +++ /dev/null @@ -1,961 +0,0 @@ -/* - * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com - * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/kthread.h> -#include <linux/freezer.h> -#include <media/v4l2-ioctl.h> -#include <media/v4l2-common.h> -#include <media/videobuf-dma-sg.h> -#include "solo6x10.h" -#include "tw28.h" - -#define SOLO_HW_BPL 2048 -#define SOLO_DISP_PIX_FIELD V4L2_FIELD_INTERLACED - -/* Image size is two fields, SOLO_HW_BPL is one horizontal line */ -#define solo_vlines(__solo) (__solo->video_vsize * 2) -#define solo_image_size(__solo) (solo_bytesperline(__solo) * \ - solo_vlines(__solo)) -#define solo_bytesperline(__solo) (__solo->video_hsize * 2) - -#define MIN_VID_BUFFERS 4 - -/* Simple file handle */ -struct solo_filehandle { - struct solo_dev *solo_dev; - struct videobuf_queue vidq; - struct task_struct *kthread; - spinlock_t slock; - int old_write; - struct list_head vidq_active; - struct p2m_desc desc[SOLO_NR_P2M_DESC]; - int desc_idx; -}; - -unsigned video_nr = -1; -module_param(video_nr, uint, 0644); -MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)"); - -static void erase_on(struct solo_dev *solo_dev) -{ - solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON); - solo_dev->erasing = 1; - solo_dev->frame_blank = 0; -} - -static int erase_off(struct solo_dev *solo_dev) -{ - if (!solo_dev->erasing) - return 0; - - /* First time around, assert erase off */ - if (!solo_dev->frame_blank) - solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0); - /* Keep the erasing flag on for 8 frames minimum */ - if (solo_dev->frame_blank++ >= 8) - solo_dev->erasing = 0; - - return 1; -} - -void solo_video_in_isr(struct solo_dev *solo_dev) -{ - solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_VIDEO_IN); - wake_up_interruptible(&solo_dev->disp_thread_wait); -} - -static void solo_win_setup(struct solo_dev *solo_dev, u8 ch, - int sx, int sy, int ex, int ey, int scale) -{ - if (ch >= solo_dev->nr_chans) - return; - - /* Here, we just keep window/channel the same */ - solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch), - SOLO_VI_WIN_CHANNEL(ch) | - SOLO_VI_WIN_SX(sx) | - SOLO_VI_WIN_EX(ex) | - SOLO_VI_WIN_SCALE(scale)); - - solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch), - SOLO_VI_WIN_SY(sy) | - SOLO_VI_WIN_EY(ey)); -} - -static int solo_v4l2_ch_ext_4up(struct solo_dev *solo_dev, u8 idx, int on) -{ - u8 ch = idx * 4; - - if (ch >= solo_dev->nr_chans) - return -EINVAL; - - if (!on) { - u8 i; - for (i = ch; i < ch + 4; i++) - solo_win_setup(solo_dev, i, solo_dev->video_hsize, - solo_vlines(solo_dev), - solo_dev->video_hsize, - solo_vlines(solo_dev), 0); - return 0; - } - - /* Row 1 */ - solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2, - solo_vlines(solo_dev) / 2, 3); - solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0, - solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3); - /* Row 2 */ - solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2, - solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3); - solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2, - solo_vlines(solo_dev) / 2, solo_dev->video_hsize, - solo_vlines(solo_dev), 3); - - return 0; -} - -static int solo_v4l2_ch_ext_16up(struct solo_dev *solo_dev, int on) -{ - int sy, ysize, hsize, i; - - if (!on) { - for (i = 0; i < 16; i++) - solo_win_setup(solo_dev, i, solo_dev->video_hsize, - solo_vlines(solo_dev), - solo_dev->video_hsize, - solo_vlines(solo_dev), 0); - return 0; - } - - ysize = solo_vlines(solo_dev) / 4; - hsize = solo_dev->video_hsize / 4; - - for (sy = 0, i = 0; i < 4; i++, sy += ysize) { - solo_win_setup(solo_dev, i * 4, 0, sy, hsize, - sy + ysize, 5); - solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy, - hsize * 2, sy + ysize, 5); - solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy, - hsize * 3, sy + ysize, 5); - solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy, - solo_dev->video_hsize, sy + ysize, 5); - } - - return 0; -} - -static int solo_v4l2_ch(struct solo_dev *solo_dev, u8 ch, int on) -{ - u8 ext_ch; - - if (ch < solo_dev->nr_chans) { - solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize, - on ? 0 : solo_vlines(solo_dev), - solo_dev->video_hsize, solo_vlines(solo_dev), - on ? 1 : 0); - return 0; - } - - if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) - return -EINVAL; - - ext_ch = ch - solo_dev->nr_chans; - - /* 4up's first */ - if (ext_ch < 4) - return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on); - - /* Remaining case is 16up for 16-port */ - return solo_v4l2_ch_ext_16up(solo_dev, on); -} - -static int solo_v4l2_set_ch(struct solo_dev *solo_dev, u8 ch) -{ - if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) - return -EINVAL; - - erase_on(solo_dev); - - solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0); - solo_v4l2_ch(solo_dev, ch, 1); - - solo_dev->cur_disp_ch = ch; - - return 0; -} - -static void disp_reset_desc(struct solo_filehandle *fh) -{ - /* We use desc mode, which ignores desc 0 */ - memset(fh->desc, 0, sizeof(*fh->desc)); - fh->desc_idx = 1; -} - -static int disp_flush_descs(struct solo_filehandle *fh) -{ - int ret; - - if (!fh->desc_idx) - return 0; - - ret = solo_p2m_dma_desc(fh->solo_dev, SOLO_P2M_DMA_ID_DISP, - fh->desc, fh->desc_idx); - disp_reset_desc(fh); - - return ret; -} - -static int disp_push_desc(struct solo_filehandle *fh, dma_addr_t dma_addr, - u32 ext_addr, int size, int repeat, int ext_size) -{ - if (fh->desc_idx >= SOLO_NR_P2M_DESC) { - int ret = disp_flush_descs(fh); - if (ret) - return ret; - } - - solo_p2m_push_desc(&fh->desc[fh->desc_idx], 0, dma_addr, ext_addr, - size, repeat, ext_size); - fh->desc_idx++; - - return 0; -} - -static void solo_fillbuf(struct solo_filehandle *fh, - struct videobuf_buffer *vb) -{ - struct solo_dev *solo_dev = fh->solo_dev; - struct videobuf_dmabuf *vbuf; - unsigned int fdma_addr; - int error = 1; - int i; - struct scatterlist *sg; - dma_addr_t sg_dma; - int sg_size_left; - - vbuf = videobuf_to_dma(vb); - if (!vbuf) - goto finish_buf; - - if (erase_off(solo_dev)) { - int i; - - /* Just blit to the entire sg list, ignoring size */ - for_each_sg(vbuf->sglist, sg, vbuf->sglen, i) { - void *p = sg_virt(sg); - size_t len = sg_dma_len(sg); - - for (i = 0; i < len; i += 2) { - ((u8 *)p)[i] = 0x80; - ((u8 *)p)[i + 1] = 0x00; - } - } - - error = 0; - goto finish_buf; - } - - disp_reset_desc(fh); - sg = vbuf->sglist; - sg_dma = sg_dma_address(sg); - sg_size_left = sg_dma_len(sg); - - fdma_addr = SOLO_DISP_EXT_ADDR + (fh->old_write * - (SOLO_HW_BPL * solo_vlines(solo_dev))); - - for (i = 0; i < solo_vlines(solo_dev); i++) { - int line_len = solo_bytesperline(solo_dev); - int lines; - - if (!sg_size_left) { - sg = sg_next(sg); - if (sg == NULL) - goto finish_buf; - sg_dma = sg_dma_address(sg); - sg_size_left = sg_dma_len(sg); - } - - /* No room for an entire line, so chunk it up */ - if (sg_size_left < line_len) { - int this_addr = fdma_addr; - - while (line_len > 0) { - int this_write; - - if (!sg_size_left) { - sg = sg_next(sg); - if (sg == NULL) - goto finish_buf; - sg_dma = sg_dma_address(sg); - sg_size_left = sg_dma_len(sg); - } - - this_write = min(sg_size_left, line_len); - - if (disp_push_desc(fh, sg_dma, this_addr, - this_write, 0, 0)) - goto finish_buf; - - line_len -= this_write; - sg_size_left -= this_write; - sg_dma += this_write; - this_addr += this_write; - } - - fdma_addr += SOLO_HW_BPL; - continue; - } - - /* Shove as many lines into a repeating descriptor as possible */ - lines = min(sg_size_left / line_len, - solo_vlines(solo_dev) - i); - - if (disp_push_desc(fh, sg_dma, fdma_addr, line_len, - lines - 1, SOLO_HW_BPL)) - goto finish_buf; - - i += lines - 1; - fdma_addr += SOLO_HW_BPL * lines; - sg_dma += lines * line_len; - sg_size_left -= lines * line_len; - } - - error = disp_flush_descs(fh); - -finish_buf: - if (error) { - vb->state = VIDEOBUF_ERROR; - } else { - vb->size = solo_vlines(solo_dev) * solo_bytesperline(solo_dev); - vb->state = VIDEOBUF_DONE; - vb->field_count++; - do_gettimeofday(&vb->ts); - } - - wake_up(&vb->done); - - return; -} - -static void solo_thread_try(struct solo_filehandle *fh) -{ - struct videobuf_buffer *vb; - unsigned int cur_write; - - for (;;) { - spin_lock(&fh->slock); - - if (list_empty(&fh->vidq_active)) - break; - - vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer, - queue); - - if (!waitqueue_active(&vb->done)) - break; - - cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev, - SOLO_VI_STATUS0)); - if (cur_write == fh->old_write) - break; - - fh->old_write = cur_write; - list_del(&vb->queue); - - spin_unlock(&fh->slock); - - solo_fillbuf(fh, vb); - } - - assert_spin_locked(&fh->slock); - spin_unlock(&fh->slock); -} - -static int solo_thread(void *data) -{ - struct solo_filehandle *fh = data; - struct solo_dev *solo_dev = fh->solo_dev; - DECLARE_WAITQUEUE(wait, current); - - set_freezable(); - add_wait_queue(&solo_dev->disp_thread_wait, &wait); - - for (;;) { - long timeout = schedule_timeout_interruptible(HZ); - if (timeout == -ERESTARTSYS || kthread_should_stop()) - break; - solo_thread_try(fh); - try_to_freeze(); - } - - remove_wait_queue(&solo_dev->disp_thread_wait, &wait); - - return 0; -} - -static int solo_start_thread(struct solo_filehandle *fh) -{ - fh->kthread = kthread_run(solo_thread, fh, SOLO6X10_NAME "_disp"); - - return PTR_RET(fh->kthread); -} - -static void solo_stop_thread(struct solo_filehandle *fh) -{ - if (fh->kthread) { - kthread_stop(fh->kthread); - fh->kthread = NULL; - } -} - -static int solo_buf_setup(struct videobuf_queue *vq, unsigned int *count, - unsigned int *size) -{ - struct solo_filehandle *fh = vq->priv_data; - struct solo_dev *solo_dev = fh->solo_dev; - - *size = solo_image_size(solo_dev); - - if (*count < MIN_VID_BUFFERS) - *count = MIN_VID_BUFFERS; - - return 0; -} - -static int solo_buf_prepare(struct videobuf_queue *vq, - struct videobuf_buffer *vb, enum v4l2_field field) -{ - struct solo_filehandle *fh = vq->priv_data; - struct solo_dev *solo_dev = fh->solo_dev; - - vb->size = solo_image_size(solo_dev); - if (vb->baddr != 0 && vb->bsize < vb->size) - return -EINVAL; - - /* XXX: These properties only change when queue is idle */ - vb->width = solo_dev->video_hsize; - vb->height = solo_vlines(solo_dev); - vb->bytesperline = solo_bytesperline(solo_dev); - vb->field = field; - - if (vb->state == VIDEOBUF_NEEDS_INIT) { - int rc = videobuf_iolock(vq, vb, NULL); - if (rc < 0) { - struct videobuf_dmabuf *dma = videobuf_to_dma(vb); - videobuf_dma_unmap(vq->dev, dma); - videobuf_dma_free(dma); - vb->state = VIDEOBUF_NEEDS_INIT; - return rc; - } - } - vb->state = VIDEOBUF_PREPARED; - - return 0; -} - -static void solo_buf_queue(struct videobuf_queue *vq, - struct videobuf_buffer *vb) -{ - struct solo_filehandle *fh = vq->priv_data; - struct solo_dev *solo_dev = fh->solo_dev; - - vb->state = VIDEOBUF_QUEUED; - list_add_tail(&vb->queue, &fh->vidq_active); - wake_up_interruptible(&solo_dev->disp_thread_wait); -} - -static void solo_buf_release(struct videobuf_queue *vq, - struct videobuf_buffer *vb) -{ - struct videobuf_dmabuf *dma = videobuf_to_dma(vb); - - videobuf_dma_unmap(vq->dev, dma); - videobuf_dma_free(dma); - vb->state = VIDEOBUF_NEEDS_INIT; -} - -static struct videobuf_queue_ops solo_video_qops = { - .buf_setup = solo_buf_setup, - .buf_prepare = solo_buf_prepare, - .buf_queue = solo_buf_queue, - .buf_release = solo_buf_release, -}; - -static unsigned int solo_v4l2_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct solo_filehandle *fh = file->private_data; - - return videobuf_poll_stream(file, &fh->vidq, wait); -} - -static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct solo_filehandle *fh = file->private_data; - - return videobuf_mmap_mapper(&fh->vidq, vma); -} - -static int solo_v4l2_open(struct file *file) -{ - struct solo_dev *solo_dev = video_drvdata(file); - struct solo_filehandle *fh; - int ret; - - fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (fh == NULL) - return -ENOMEM; - - spin_lock_init(&fh->slock); - INIT_LIST_HEAD(&fh->vidq_active); - fh->solo_dev = solo_dev; - file->private_data = fh; - - ret = solo_start_thread(fh); - if (ret) { - kfree(fh); - return ret; - } - - videobuf_queue_sg_init(&fh->vidq, &solo_video_qops, - &solo_dev->pdev->dev, &fh->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - SOLO_DISP_PIX_FIELD, - sizeof(struct videobuf_buffer), fh, NULL); - - return 0; -} - -static ssize_t solo_v4l2_read(struct file *file, char __user *data, - size_t count, loff_t *ppos) -{ - struct solo_filehandle *fh = file->private_data; - - return videobuf_read_stream(&fh->vidq, data, count, ppos, 0, - file->f_flags & O_NONBLOCK); -} - -static int solo_v4l2_release(struct file *file) -{ - struct solo_filehandle *fh = file->private_data; - - videobuf_stop(&fh->vidq); - videobuf_mmap_free(&fh->vidq); - solo_stop_thread(fh); - kfree(fh); - - return 0; -} - -static int solo_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - - strcpy(cap->driver, SOLO6X10_NAME); - strcpy(cap->card, "Softlogic 6x10"); - snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s", - pci_name(solo_dev->pdev)); - cap->version = SOLO6X10_VER_NUM; - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING; - return 0; -} - -static int solo_enum_ext_input(struct solo_dev *solo_dev, - struct v4l2_input *input) -{ - static const char *dispnames_1[] = { "4UP" }; - static const char *dispnames_2[] = { "4UP-1", "4UP-2" }; - static const char *dispnames_5[] = { - "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP" - }; - const char **dispnames; - - if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext)) - return -EINVAL; - - if (solo_dev->nr_ext == 5) - dispnames = dispnames_5; - else if (solo_dev->nr_ext == 2) - dispnames = dispnames_2; - else - dispnames = dispnames_1; - - snprintf(input->name, sizeof(input->name), "Multi %s", - dispnames[input->index - solo_dev->nr_chans]); - - return 0; -} - -static int solo_enum_input(struct file *file, void *priv, - struct v4l2_input *input) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - - if (input->index >= solo_dev->nr_chans) { - int ret = solo_enum_ext_input(solo_dev, input); - if (ret < 0) - return ret; - } else { - snprintf(input->name, sizeof(input->name), "Camera %d", - input->index + 1); - - /* We can only check this for normal inputs */ - if (!tw28_get_video_status(solo_dev, input->index)) - input->status = V4L2_IN_ST_NO_SIGNAL; - } - - input->type = V4L2_INPUT_TYPE_CAMERA; - - if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) - input->std = V4L2_STD_NTSC_M; - else - input->std = V4L2_STD_PAL_B; - - return 0; -} - -static int solo_set_input(struct file *file, void *priv, unsigned int index) -{ - struct solo_filehandle *fh = priv; - - return solo_v4l2_set_ch(fh->solo_dev, index); -} - -static int solo_get_input(struct file *file, void *priv, unsigned int *index) -{ - struct solo_filehandle *fh = priv; - - *index = fh->solo_dev->cur_disp_ch; - - return 0; -} - -static int solo_enum_fmt_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (f->index) - return -EINVAL; - - f->pixelformat = V4L2_PIX_FMT_UYVY; - strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description)); - - return 0; -} - -static int solo_try_fmt_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - struct v4l2_pix_format *pix = &f->fmt.pix; - int image_size = solo_image_size(solo_dev); - - /* Check supported sizes */ - if (pix->width != solo_dev->video_hsize) - pix->width = solo_dev->video_hsize; - if (pix->height != solo_vlines(solo_dev)) - pix->height = solo_vlines(solo_dev); - if (pix->sizeimage != image_size) - pix->sizeimage = image_size; - - /* Check formats */ - if (pix->field == V4L2_FIELD_ANY) - pix->field = SOLO_DISP_PIX_FIELD; - - if (pix->pixelformat != V4L2_PIX_FMT_UYVY || - pix->field != SOLO_DISP_PIX_FIELD || - pix->colorspace != V4L2_COLORSPACE_SMPTE170M) - return -EINVAL; - - return 0; -} - -static int solo_set_fmt_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct solo_filehandle *fh = priv; - - if (videobuf_queue_is_busy(&fh->vidq)) - return -EBUSY; - - /* For right now, if it doesn't match our running config, - * then fail */ - return solo_try_fmt_cap(file, priv, f); -} - -static int solo_get_fmt_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - struct v4l2_pix_format *pix = &f->fmt.pix; - - pix->width = solo_dev->video_hsize; - pix->height = solo_vlines(solo_dev); - pix->pixelformat = V4L2_PIX_FMT_UYVY; - pix->field = SOLO_DISP_PIX_FIELD; - pix->sizeimage = solo_image_size(solo_dev); - pix->colorspace = V4L2_COLORSPACE_SMPTE170M; - pix->bytesperline = solo_bytesperline(solo_dev); - - return 0; -} - -static int solo_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *req) -{ - struct solo_filehandle *fh = priv; - - return videobuf_reqbufs(&fh->vidq, req); -} - -static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct solo_filehandle *fh = priv; - - return videobuf_querybuf(&fh->vidq, buf); -} - -static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct solo_filehandle *fh = priv; - - return videobuf_qbuf(&fh->vidq, buf); -} - -static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct solo_filehandle *fh = priv; - - return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK); -} - -static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct solo_filehandle *fh = priv; - - if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - return videobuf_streamon(&fh->vidq); -} - -static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct solo_filehandle *fh = priv; - - if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - return videobuf_streamoff(&fh->vidq); -} - -static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i) -{ - return 0; -} - -static const u32 solo_motion_ctrls[] = { - V4L2_CID_MOTION_TRACE, - 0 -}; - -static const u32 *solo_ctrl_classes[] = { - solo_motion_ctrls, - NULL -}; - -static int solo_disp_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id); - if (!qc->id) - return -EINVAL; - - switch (qc->id) { -#ifdef PRIVATE_CIDS - case V4L2_CID_MOTION_TRACE: - qc->type = V4L2_CTRL_TYPE_BOOLEAN; - qc->minimum = 0; - qc->maximum = qc->step = 1; - qc->default_value = 0; - strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name)); - return 0; -#else - case V4L2_CID_MOTION_TRACE: - return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); -#endif - } - return -EINVAL; -} - -static int solo_disp_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - - switch (ctrl->id) { - case V4L2_CID_MOTION_TRACE: - ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR) - ? 1 : 0; - return 0; - } - return -EINVAL; -} - -static int solo_disp_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct solo_filehandle *fh = priv; - struct solo_dev *solo_dev = fh->solo_dev; - - switch (ctrl->id) { - case V4L2_CID_MOTION_TRACE: - if (ctrl->value) { - solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, - SOLO_VI_MOTION_Y_ADD | - SOLO_VI_MOTION_Y_VALUE(0x20) | - SOLO_VI_MOTION_CB_VALUE(0x10) | - SOLO_VI_MOTION_CR_VALUE(0x10)); - solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, - SOLO_VI_MOTION_CR_ADD | - SOLO_VI_MOTION_Y_VALUE(0x10) | - SOLO_VI_MOTION_CB_VALUE(0x80) | - SOLO_VI_MOTION_CR_VALUE(0x10)); - } else { - solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0); - solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0); - } - return 0; - } - return -EINVAL; -} - -static const struct v4l2_file_operations solo_v4l2_fops = { - .owner = THIS_MODULE, - .open = solo_v4l2_open, - .release = solo_v4l2_release, - .read = solo_v4l2_read, - .poll = solo_v4l2_poll, - .mmap = solo_v4l2_mmap, - .ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { - .vidioc_querycap = solo_querycap, - .vidioc_s_std = solo_s_std, - /* Input callbacks */ - .vidioc_enum_input = solo_enum_input, - .vidioc_s_input = solo_set_input, - .vidioc_g_input = solo_get_input, - /* Video capture format callbacks */ - .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap, - .vidioc_try_fmt_vid_cap = solo_try_fmt_cap, - .vidioc_s_fmt_vid_cap = solo_set_fmt_cap, - .vidioc_g_fmt_vid_cap = solo_get_fmt_cap, - /* Streaming I/O */ - .vidioc_reqbufs = solo_reqbufs, - .vidioc_querybuf = solo_querybuf, - .vidioc_qbuf = solo_qbuf, - .vidioc_dqbuf = solo_dqbuf, - .vidioc_streamon = solo_streamon, - .vidioc_streamoff = solo_streamoff, - /* Controls */ - .vidioc_queryctrl = solo_disp_queryctrl, - .vidioc_g_ctrl = solo_disp_g_ctrl, - .vidioc_s_ctrl = solo_disp_s_ctrl, -}; - -static struct video_device solo_v4l2_template = { - .name = SOLO6X10_NAME, - .fops = &solo_v4l2_fops, - .ioctl_ops = &solo_v4l2_ioctl_ops, - .minor = -1, - .release = video_device_release, - - .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_B, - .current_norm = V4L2_STD_NTSC_M, -}; - -int solo_v4l2_init(struct solo_dev *solo_dev) -{ - int ret; - int i; - - init_waitqueue_head(&solo_dev->disp_thread_wait); - - solo_dev->vfd = video_device_alloc(); - if (!solo_dev->vfd) - return -ENOMEM; - - *solo_dev->vfd = solo_v4l2_template; - solo_dev->vfd->parent = &solo_dev->pdev->dev; - - ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr); - if (ret < 0) { - video_device_release(solo_dev->vfd); - solo_dev->vfd = NULL; - return ret; - } - - video_set_drvdata(solo_dev->vfd, solo_dev); - - snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)", - SOLO6X10_NAME, solo_dev->vfd->num); - - if (video_nr != -1) - video_nr++; - - dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with " - "%d inputs (%d extended)\n", solo_dev->vfd->num, - solo_dev->nr_chans, solo_dev->nr_ext); - - /* Cycle all the channels and clear */ - for (i = 0; i < solo_dev->nr_chans; i++) { - solo_v4l2_set_ch(solo_dev, i); - while (erase_off(solo_dev)) - ;/* Do nothing */ - } - - /* Set the default display channel */ - solo_v4l2_set_ch(solo_dev, 0); - while (erase_off(solo_dev)) - ;/* Do nothing */ - - solo_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN); - - return 0; -} - -void solo_v4l2_exit(struct solo_dev *solo_dev) -{ - solo_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN); - if (solo_dev->vfd) { - video_unregister_device(solo_dev->vfd); - solo_dev->vfd = NULL; - } -} |