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author | Ingo Molnar | 2010-08-31 09:45:21 +0200 |
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committer | Ingo Molnar | 2010-08-31 09:45:46 +0200 |
commit | daab7fc734a53fdeaf844b7c03053118ad1769da (patch) | |
tree | 575deb3cdcc6dda562acaed6f7c29bc81ae01cf2 /drivers/staging/cx25821/cx25821-video7.c | |
parent | x86: Remove old bootmem code (diff) | |
parent | Linux 2.6.36-rc3 (diff) | |
download | kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.gz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.tar.xz kernel-qcow2-linux-daab7fc734a53fdeaf844b7c03053118ad1769da.zip |
Merge commit 'v2.6.36-rc3' into x86/memblock
Conflicts:
arch/x86/kernel/trampoline.c
mm/memblock.c
Merge reason: Resolve the conflicts, update to latest upstream.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/staging/cx25821/cx25821-video7.c')
-rw-r--r-- | drivers/staging/cx25821/cx25821-video7.c | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/drivers/staging/cx25821/cx25821-video7.c b/drivers/staging/cx25821/cx25821-video7.c deleted file mode 100644 index 5e4a769badad..000000000000 --- a/drivers/staging/cx25821/cx25821-video7.c +++ /dev/null @@ -1,433 +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_CH07]; - - /* 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_CH07]); - 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_CH07; - 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_VIDEO7)) - 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_VIDEO7)) { - /* 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_CH07]) { - 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(channel7->dma_ctl, 0); /* FIFO and RISC disable */ - - /* stop video capture */ - if (cx25821_res_check(fh, RESOURCE_VIDEO7)) { - videobuf_queue_cancel(&fh->vidq); - cx25821_res_free(dev, fh, RESOURCE_VIDEO7); - } - - 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_VIDEO7)))) { - 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_VIDEO7); - 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_CH07, pix_format); - - // check if cif resolution - if (fh->width == 320 || fh->width == 352) { - dev->use_cif_resolution[SRAM_CH07] = 1; - } else { - dev->use_cif_resolution[SRAM_CH07] = 0; - } - dev->cif_width[SRAM_CH07] = fh->width; - medusa_set_resolution(dev, fh->width, SRAM_CH07); - - 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_CH07].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_CH07]; - 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 7 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_CH07); -} - -// 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_template7 = { - .name = "cx25821-video", - .fops = &video_fops, - .ioctl_ops = &video_ioctl_ops, - .tvnorms = CX25821_NORMS, - .current_norm = V4L2_STD_NTSC_M, -}; |