aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/staging/cx25821/cx25821-video6.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/staging/cx25821/cx25821-video6.c')
-rw-r--r--drivers/staging/cx25821/cx25821-video6.c434
1 files changed, 0 insertions, 434 deletions
diff --git a/drivers/staging/cx25821/cx25821-video6.c b/drivers/staging/cx25821/cx25821-video6.c
deleted file mode 100644
index 4db2eb83d35a..000000000000
--- a/drivers/staging/cx25821/cx25821-video6.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * Driver for the Conexant CX25821 PCIe bridge
- *
- * Copyright (C) 2009 Conexant Systems Inc.
- * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
- * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "cx25821-video.h"
-
-static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
-{
- struct cx25821_buffer *buf =
- container_of(vb, struct cx25821_buffer, vb);
- struct cx25821_buffer *prev;
- struct cx25821_fh *fh = vq->priv_data;
- struct cx25821_dev *dev = fh->dev;
- struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH06];
-
- /* add jump to stopper */
- buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
- buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma);
- buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
-
- dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]);
-
- if (!list_empty(&q->queued)) {
- list_add_tail(&buf->vb.queue, &q->queued);
- buf->vb.state = VIDEOBUF_QUEUED;
- dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf,
- buf->vb.i);
-
- } else if (list_empty(&q->active)) {
- list_add_tail(&buf->vb.queue, &q->active);
- cx25821_start_video_dma(dev, q, buf,
- &dev->sram_channels[SRAM_CH06]);
- buf->vb.state = VIDEOBUF_ACTIVE;
- buf->count = q->count++;
- mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT);
- dprintk(2,
- "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n",
- buf, buf->vb.i, buf->count, q->count);
- } else {
- prev =
- list_entry(q->active.prev, struct cx25821_buffer, vb.queue);
- if (prev->vb.width == buf->vb.width
- && prev->vb.height == buf->vb.height
- && prev->fmt == buf->fmt) {
- list_add_tail(&buf->vb.queue, &q->active);
- buf->vb.state = VIDEOBUF_ACTIVE;
- buf->count = q->count++;
- prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
- /* 64 bit bits 63-32 */
- prev->risc.jmp[2] = cpu_to_le32(0);
- dprintk(2,
- "[%p/%d] buffer_queue - append to active, buf->count=%d\n",
- buf, buf->vb.i, buf->count);
-
- } else {
- list_add_tail(&buf->vb.queue, &q->queued);
- buf->vb.state = VIDEOBUF_QUEUED;
- dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf,
- buf->vb.i);
- }
- }
-
- if (list_empty(&q->active)) {
- dprintk(2, "active queue empty!\n");
- }
-}
-
-static struct videobuf_queue_ops cx25821_video_qops = {
- .buf_setup = cx25821_buffer_setup,
- .buf_prepare = cx25821_buffer_prepare,
- .buf_queue = buffer_queue,
- .buf_release = cx25821_buffer_release,
-};
-
-static int video_open(struct file *file)
-{
- struct video_device *vdev = video_devdata(file);
- struct cx25821_dev *dev = video_drvdata(file);
- struct cx25821_fh *fh;
- enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- u32 pix_format;
-
- printk("open dev=%s type=%s\n", video_device_node_name(vdev),
- v4l2_type_names[type]);
-
- /* allocate + initialize per filehandle data */
- fh = kzalloc(sizeof(*fh), GFP_KERNEL);
- if (NULL == fh)
- return -ENOMEM;
-
- lock_kernel();
-
- file->private_data = fh;
- fh->dev = dev;
- fh->type = type;
- fh->width = 720;
-
- if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK)
- fh->height = 576;
- else
- fh->height = 480;
-
- dev->channel_opened = SRAM_CH06;
- pix_format =
- (dev->pixel_formats[dev->channel_opened] ==
- PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV;
- fh->fmt = format_by_fourcc(pix_format);
-
- v4l2_prio_open(&dev->prio, &fh->prio);
-
- videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops,
- &dev->pci->dev, &dev->slock,
- V4L2_BUF_TYPE_VIDEO_CAPTURE,
- V4L2_FIELD_INTERLACED,
- sizeof(struct cx25821_buffer), fh);
-
- dprintk(1, "post videobuf_queue_init()\n");
- unlock_kernel();
-
- return 0;
-}
-
-static ssize_t video_read(struct file *file, char __user * data, size_t count,
- loff_t * ppos)
-{
- struct cx25821_fh *fh = file->private_data;
-
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
- if (cx25821_res_locked(fh->dev, RESOURCE_VIDEO6))
- return -EBUSY;
-
- return videobuf_read_one(&fh->vidq, data, count, ppos,
- file->f_flags & O_NONBLOCK);
-
- default:
- BUG();
- return 0;
- }
-}
-
-static unsigned int video_poll(struct file *file,
- struct poll_table_struct *wait)
-{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_buffer *buf;
-
- if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
- /* streaming capture */
- if (list_empty(&fh->vidq.stream))
- return POLLERR;
- buf = list_entry(fh->vidq.stream.next,
- struct cx25821_buffer, vb.stream);
- } else {
- /* read() capture */
- buf = (struct cx25821_buffer *)fh->vidq.read_buf;
- if (NULL == buf)
- return POLLERR;
- }
-
- poll_wait(file, &buf->vb.done, wait);
- if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) {
- if (buf->vb.state == VIDEOBUF_DONE) {
- struct cx25821_dev *dev = fh->dev;
-
- if (dev && dev->use_cif_resolution[SRAM_CH06]) {
- u8 cam_id = *((char *)buf->vb.baddr + 3);
- memcpy((char *)buf->vb.baddr,
- (char *)buf->vb.baddr + (fh->width * 2),
- (fh->width * 2));
- *((char *)buf->vb.baddr + 3) = cam_id;
- }
- }
-
- return POLLIN | POLLRDNORM;
- }
-
- return 0;
-}
-
-static int video_release(struct file *file)
-{
- struct cx25821_fh *fh = file->private_data;
- struct cx25821_dev *dev = fh->dev;
-
- //stop the risc engine and fifo
- cx_write(channel6->dma_ctl, 0); /* FIFO and RISC disable */
-
- /* stop video capture */
- if (cx25821_res_check(fh, RESOURCE_VIDEO6)) {
- videobuf_queue_cancel(&fh->vidq);
- cx25821_res_free(dev, fh, RESOURCE_VIDEO6);
- }
- if (fh->vidq.read_buf) {
- cx25821_buffer_release(&fh->vidq, fh->vidq.read_buf);
- kfree(fh->vidq.read_buf);
- }
-
- videobuf_mmap_free(&fh->vidq);
-
- v4l2_prio_close(&dev->prio, fh->prio);
- file->private_data = NULL;
- kfree(fh);
-
- return 0;
-}
-
-static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = fh->dev;
-
- if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) {
- return -EINVAL;
- }
-
- if (unlikely(i != fh->type)) {
- return -EINVAL;
- }
-
- if (unlikely(!cx25821_res_get(dev, fh, cx25821_get_resource(fh, RESOURCE_VIDEO6)))) {
- return -EBUSY;
- }
-
- return videobuf_streamon(get_queue(fh));
-}
-
-static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = fh->dev;
- int err, res;
-
- if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
- if (i != fh->type)
- return -EINVAL;
-
- res = cx25821_get_resource(fh, RESOURCE_VIDEO6);
- err = videobuf_streamoff(get_queue(fh));
- if (err < 0)
- return err;
- cx25821_res_free(dev, fh, res);
- return 0;
-}
-
-static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
- struct v4l2_format *f)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
- int pix_format = 0;
-
- if (fh) {
- err = v4l2_prio_check(&dev->prio, fh->prio);
- if (0 != err)
- return err;
- }
-
- dprintk(2, "%s()\n", __func__);
- err = cx25821_vidioc_try_fmt_vid_cap(file, priv, f);
-
- if (0 != err)
- return err;
-
- fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
- fh->vidq.field = f->fmt.pix.field;
-
- // check if width and height is valid based on set standard
- if (cx25821_is_valid_width(f->fmt.pix.width, dev->tvnorm)) {
- fh->width = f->fmt.pix.width;
- }
-
- if (cx25821_is_valid_height(f->fmt.pix.height, dev->tvnorm)) {
- fh->height = f->fmt.pix.height;
- }
-
- if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P)
- pix_format = PIXEL_FRMT_411;
- else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV)
- pix_format = PIXEL_FRMT_422;
- else
- return -EINVAL;
-
- cx25821_set_pixel_format(dev, SRAM_CH06, pix_format);
-
- // check if cif resolution
- if (fh->width == 320 || fh->width == 352) {
- dev->use_cif_resolution[SRAM_CH06] = 1;
- } else {
- dev->use_cif_resolution[SRAM_CH06] = 0;
- }
- dev->cif_width[SRAM_CH06] = fh->width;
- medusa_set_resolution(dev, fh->width, SRAM_CH06);
-
- dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width,
- fh->height, fh->vidq.field);
- cx25821_call_all(dev, video, s_fmt, f);
-
- return 0;
-}
-
-static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p)
-{
- int ret_val = 0;
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
-
- ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK);
-
- p->sequence = dev->vidq[SRAM_CH06].count;
-
- return ret_val;
-}
-
-static int vidioc_log_status(struct file *file, void *priv)
-{
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- char name[32 + 2];
-
- struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH06];
- u32 tmp = 0;
-
- snprintf(name, sizeof(name), "%s/2", dev->name);
- printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n",
- dev->name);
- cx25821_call_all(dev, core, log_status);
-
- tmp = cx_read(sram_ch->dma_ctl);
- printk(KERN_INFO "Video input 6 is %s\n",
- (tmp & 0x11) ? "streaming" : "stopped");
- printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n",
- dev->name);
- return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *priv,
- struct v4l2_control *ctl)
-{
- struct cx25821_fh *fh = priv;
- struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev;
- int err;
-
- if (fh) {
- err = v4l2_prio_check(&dev->prio, fh->prio);
- if (0 != err)
- return err;
- }
-
- return cx25821_set_control(dev, ctl, SRAM_CH06);
-}
-
-// exported stuff
-static const struct v4l2_file_operations video_fops = {
- .owner = THIS_MODULE,
- .open = video_open,
- .release = video_release,
- .read = video_read,
- .poll = video_poll,
- .mmap = cx25821_video_mmap,
- .ioctl = video_ioctl2,
-};
-
-static const struct v4l2_ioctl_ops video_ioctl_ops = {
- .vidioc_querycap = cx25821_vidioc_querycap,
- .vidioc_enum_fmt_vid_cap = cx25821_vidioc_enum_fmt_vid_cap,
- .vidioc_g_fmt_vid_cap = cx25821_vidioc_g_fmt_vid_cap,
- .vidioc_try_fmt_vid_cap = cx25821_vidioc_try_fmt_vid_cap,
- .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
- .vidioc_reqbufs = cx25821_vidioc_reqbufs,
- .vidioc_querybuf = cx25821_vidioc_querybuf,
- .vidioc_qbuf = cx25821_vidioc_qbuf,
- .vidioc_dqbuf = vidioc_dqbuf,
-#ifdef TUNER_FLAG
- .vidioc_s_std = cx25821_vidioc_s_std,
- .vidioc_querystd = cx25821_vidioc_querystd,
-#endif
- .vidioc_cropcap = cx25821_vidioc_cropcap,
- .vidioc_s_crop = cx25821_vidioc_s_crop,
- .vidioc_g_crop = cx25821_vidioc_g_crop,
- .vidioc_enum_input = cx25821_vidioc_enum_input,
- .vidioc_g_input = cx25821_vidioc_g_input,
- .vidioc_s_input = cx25821_vidioc_s_input,
- .vidioc_g_ctrl = cx25821_vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_queryctrl = cx25821_vidioc_queryctrl,
- .vidioc_streamon = vidioc_streamon,
- .vidioc_streamoff = vidioc_streamoff,
- .vidioc_log_status = vidioc_log_status,
- .vidioc_g_priority = cx25821_vidioc_g_priority,
- .vidioc_s_priority = cx25821_vidioc_s_priority,
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
- .vidiocgmbuf = cx25821_vidiocgmbuf,
-#endif
-#ifdef TUNER_FLAG
- .vidioc_g_tuner = cx25821_vidioc_g_tuner,
- .vidioc_s_tuner = cx25821_vidioc_s_tuner,
- .vidioc_g_frequency = cx25821_vidioc_g_frequency,
- .vidioc_s_frequency = cx25821_vidioc_s_frequency,
-#endif
-#ifdef CONFIG_VIDEO_ADV_DEBUG
- .vidioc_g_register = cx25821_vidioc_g_register,
- .vidioc_s_register = cx25821_vidioc_s_register,
-#endif
-};
-
-struct video_device cx25821_video_template6 = {
- .name = "cx25821-video",
- .fops = &video_fops,
- .ioctl_ops = &video_ioctl_ops,
- .tvnorms = CX25821_NORMS,
- .current_norm = V4L2_STD_NTSC_M,
-};