diff options
Diffstat (limited to 'drivers/staging/cx25821/cx25821-video.c')
| -rw-r--r-- | drivers/staging/cx25821/cx25821-video.c | 905 |
1 files changed, 825 insertions, 80 deletions
diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c index 791212c1a661..1d5e8796d383 100644 --- a/drivers/staging/cx25821/cx25821-video.c +++ b/drivers/staging/cx25821/cx25821-video.c @@ -4,6 +4,9 @@ * Copyright (C) 2009 Conexant Systems Inc. * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver + * Parts adapted/taken from Eduardo Moscoso Rubino + * Copyright (C) 2009 Eduardo Moscoso Rubino <moscoso@TopoLogica.com> + * * * 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 @@ -24,7 +27,7 @@ #include "cx25821-video.h" MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); -MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>"); +MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); MODULE_LICENSE("GPL"); static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; @@ -48,7 +51,10 @@ unsigned int vid_limit = 16; module_param(vid_limit, int, 0644); MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); -static void init_controls(struct cx25821_dev *dev, int chan_num); +static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num); + +static const struct v4l2_file_operations video_fops; +static const struct v4l2_ioctl_ops video_ioctl_ops; #define FORMAT_FLAGS_PACKED 0x01 @@ -211,7 +217,7 @@ static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) } */ -// resource management +/* resource management */ int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bit) { dprintk(1, "%s()\n", __func__); @@ -221,14 +227,14 @@ int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int /* is it free? */ mutex_lock(&dev->lock); - if (dev->resources & bit) { + if (dev->channels[fh->channel_id].resources & bit) { /* no, someone else uses it */ mutex_unlock(&dev->lock); return 0; } /* it's free, grab it */ fh->resources |= bit; - dev->resources |= bit; + dev->channels[fh->channel_id].resources |= bit; dprintk(1, "res: get %d\n", bit); mutex_unlock(&dev->lock); return 1; @@ -239,9 +245,9 @@ int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit) return fh->resources & bit; } -int cx25821_res_locked(struct cx25821_dev *dev, unsigned int bit) +int cx25821_res_locked(struct cx25821_fh *fh, unsigned int bit) { - return dev->resources & bit; + return fh->dev->channels[fh->channel_id].resources & bit; } void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned int bits) @@ -251,7 +257,7 @@ void cx25821_res_free(struct cx25821_dev *dev, struct cx25821_fh *fh, unsigned i mutex_lock(&dev->lock); fh->resources &= ~bits; - dev->resources &= ~bits; + dev->channels[fh->channel_id].resources &= ~bits; dprintk(1, "res: put %d\n", bits); mutex_unlock(&dev->lock); } @@ -358,11 +364,11 @@ void cx25821_vid_timeout(unsigned long data) struct cx25821_data *timeout_data = (struct cx25821_data *)data; struct cx25821_dev *dev = timeout_data->dev; struct sram_channel *channel = timeout_data->channel; - struct cx25821_dmaqueue *q = &dev->vidq[channel->i]; + struct cx25821_dmaqueue *q = &dev->channels[channel->i].vidq; struct cx25821_buffer *buf; unsigned long flags; - //cx25821_sram_channel_dump(dev, channel); + /* cx25821_sram_channel_dump(dev, channel); */ cx_clear(channel->dma_ctl, 0x11); spin_lock_irqsave(&dev->slock, flags); @@ -384,7 +390,7 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) u32 count = 0; int handled = 0; u32 mask; - struct sram_channel *channel = &dev->sram_channels[chan_num]; + struct sram_channel *channel = dev->channels[chan_num].sram_channels; mask = cx_read(channel->int_msk); if (0 == (status & mask)) @@ -404,7 +410,8 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) if (status & FLD_VID_DST_RISC1) { spin_lock(&dev->slock); count = cx_read(channel->gpcnt); - cx25821_video_wakeup(dev, &dev->vidq[channel->i], count); + cx25821_video_wakeup(dev, + &dev->channels[channel->i].vidq, count); spin_unlock(&dev->slock); handled++; } @@ -413,8 +420,9 @@ int cx25821_video_irq(struct cx25821_dev *dev, int chan_num, u32 status) if (status & 0x10) { dprintk(2, "stopper video\n"); spin_lock(&dev->slock); - cx25821_restart_video_queue(dev, &dev->vidq[channel->i], - channel); + cx25821_restart_video_queue(dev, + &dev->channels[channel->i].vidq, + channel); spin_unlock(&dev->slock); handled++; } @@ -437,72 +445,95 @@ void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) { cx_clear(PCI_INT_MSK, 1); - if (dev->video_dev[chan_num]) { - if (video_is_registered(dev->video_dev[chan_num])) - video_unregister_device(dev->video_dev[chan_num]); + if (dev->channels[chan_num].video_dev) { + if (video_is_registered(dev->channels[chan_num].video_dev)) + video_unregister_device( + dev->channels[chan_num].video_dev); else - video_device_release(dev->video_dev[chan_num]); + video_device_release( + dev->channels[chan_num].video_dev); - dev->video_dev[chan_num] = NULL; + dev->channels[chan_num].video_dev = NULL; - btcx_riscmem_free(dev->pci, &dev->vidq[chan_num].stopper); + btcx_riscmem_free(dev->pci, + &dev->channels[chan_num].vidq.stopper); printk(KERN_WARNING "device %d released!\n", chan_num); } } -int cx25821_video_register(struct cx25821_dev *dev, int chan_num, - struct video_device *video_template) +int cx25821_video_register(struct cx25821_dev *dev) { int err; + int i; + + struct video_device cx25821_video_device = { + .name = "cx25821-video", + .fops = &video_fops, + .minor = -1, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, + }; spin_lock_init(&dev->slock); - //printk(KERN_WARNING "Channel %d\n", chan_num); + for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) { + cx25821_init_controls(dev, i); -#ifdef TUNER_FLAG - dev->tvnorm = video_template->current_norm; -#endif + cx25821_risc_stopper(dev->pci, + &dev->channels[i].vidq.stopper, + dev->channels[i].sram_channels->dma_ctl, + 0x11, 0); + + dev->channels[i].sram_channels = &cx25821_sram_channels[i]; + dev->channels[i].video_dev = NULL; + dev->channels[i].resources = 0; + + cx_write(dev->channels[i].sram_channels->int_stat, + 0xffffffff); + + INIT_LIST_HEAD(&dev->channels[i].vidq.active); + INIT_LIST_HEAD(&dev->channels[i].vidq.queued); + + dev->channels[i].timeout_data.dev = dev; + dev->channels[i].timeout_data.channel = + &cx25821_sram_channels[i]; + dev->channels[i].vidq.timeout.function = + cx25821_vid_timeout; + dev->channels[i].vidq.timeout.data = + (unsigned long)&dev->channels[i].timeout_data; + init_timer(&dev->channels[i].vidq.timeout); + + /* register v4l devices */ + dev->channels[i].video_dev = cx25821_vdev_init(dev, + dev->pci, &cx25821_video_device, "video"); + + err = video_register_device(dev->channels[i].video_dev, + VFL_TYPE_GRABBER, video_nr[dev->nr]); + + if (err < 0) + goto fail_unreg; - /* init video dma queues */ - dev->timeout_data[chan_num].dev = dev; - dev->timeout_data[chan_num].channel = &dev->sram_channels[chan_num]; - INIT_LIST_HEAD(&dev->vidq[chan_num].active); - INIT_LIST_HEAD(&dev->vidq[chan_num].queued); - dev->vidq[chan_num].timeout.function = cx25821_vid_timeout; - dev->vidq[chan_num].timeout.data = - (unsigned long)&dev->timeout_data[chan_num]; - init_timer(&dev->vidq[chan_num].timeout); - cx25821_risc_stopper(dev->pci, &dev->vidq[chan_num].stopper, - dev->sram_channels[chan_num].dma_ctl, 0x11, 0); - - /* register v4l devices */ - dev->video_dev[chan_num] = - cx25821_vdev_init(dev, dev->pci, video_template, "video"); - err = - video_register_device(dev->video_dev[chan_num], VFL_TYPE_GRABBER, - video_nr[dev->nr]); - - if (err < 0) { - goto fail_unreg; } - //set PCI interrupt + + /* set PCI interrupt */ cx_set(PCI_INT_MSK, 0xff); /* initial device configuration */ mutex_lock(&dev->lock); #ifdef TUNER_FLAG + dev->tvnorm = cx25821_video_device.current_norm; cx25821_set_tvnorm(dev, dev->tvnorm); #endif mutex_unlock(&dev->lock); - init_controls(dev, chan_num); - return 0; + return 0; - fail_unreg: - cx25821_video_unregister(dev, chan_num); +fail_unreg: + cx25821_video_unregister(dev, i); return err; } @@ -533,7 +564,7 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, u32 line0_offset, line1_offset; struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); int bpl_local = LINE_SIZE_D1; - int channel_opened = 0; + int channel_opened = fh->channel_id; BUG_ON(NULL == fh->fmt); if (fh->width < 48 || fh->width > 720 || @@ -572,26 +603,29 @@ int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, channel_opened = (channel_opened < 0 || channel_opened > 7) ? 7 : channel_opened; - if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) + if (dev->channels[channel_opened] + .pixel_formats == PIXEL_FRMT_411) buf->bpl = (buf->fmt->depth * buf->vb.width) >> 3; else buf->bpl = (buf->fmt->depth >> 3) * (buf->vb.width); - if (dev->pixel_formats[channel_opened] == PIXEL_FRMT_411) { + if (dev->channels[channel_opened] + .pixel_formats == PIXEL_FRMT_411) { bpl_local = buf->bpl; } else { - bpl_local = buf->bpl; //Default + bpl_local = buf->bpl; /* Default */ if (channel_opened >= 0 && channel_opened <= 7) { - if (dev->use_cif_resolution[channel_opened]) { + if (dev->channels[channel_opened] + .use_cif_resolution) { if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) bpl_local = 352 << 1; else bpl_local = - dev-> - cif_width[channel_opened] << - 1; + dev->channels[channel_opened]. + cif_width << + 1; } } } @@ -685,6 +719,383 @@ int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) return videobuf_mmap_mapper(get_queue(fh), vma); } + +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->channels[fh->channel_id].vidq; + + /* 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->channels[fh->channel_id]. + sram_channels); + 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 *h, *dev = video_drvdata(file); + struct cx25821_fh *fh; + struct list_head *list; + int minor = video_devdata(file)->minor; + enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + u32 pix_format; + int ch_id = 0; + int i; + + dprintk(1, "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(); + + list_for_each(list, &cx25821_devlist) + { + h = list_entry(list, struct cx25821_dev, devlist); + + for (i = 0; i < MAX_VID_CHANNEL_NUM; i++) { + if (h->channels[i].video_dev && + h->channels[i].video_dev->minor == minor) { + dev = h; + ch_id = i; + type = V4L2_BUF_TYPE_VIDEO_CAPTURE; + } + } + } + + if (NULL == dev) { + unlock_kernel(); + return -ENODEV; + } + + file->private_data = fh; + fh->dev = dev; + fh->type = type; + fh->width = 720; + fh->channel_id = ch_id; + + if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) + fh->height = 576; + else + fh->height = 480; + + dev->channel_opened = fh->channel_id; + pix_format = + (dev->channels[ch_id].pixel_formats == + PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; + fh->fmt = format_by_fourcc(pix_format); + + v4l2_prio_open(&dev->channels[ch_id].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, RESOURCE_VIDEO0)) + 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_VIDEO0)) { + /* 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->channels[fh->channel_id] + .use_cif_resolution) { + 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(channel0->dma_ctl, 0); /* FIFO and RISC disable */ + + /* stop video capture */ + if (cx25821_res_check(fh, RESOURCE_VIDEO0)) { + videobuf_queue_cancel(&fh->vidq); + cx25821_res_free(dev, fh, RESOURCE_VIDEO0); + } + + 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->channels[fh->channel_id].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_VIDEO0)))) + 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_VIDEO0); + 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 = PIXEL_FRMT_422; + + if (fh) { + err = v4l2_prio_check(&dev->channels[fh->channel_id] + .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_CH00, pix_format); + + /* check if cif resolution */ + if (fh->width == 320 || fh->width == 352) + dev->channels[fh->channel_id].use_cif_resolution = 1; + else + dev->channels[fh->channel_id].use_cif_resolution = 0; + + dev->channels[fh->channel_id].cif_width = fh->width; + medusa_set_resolution(dev, fh->width, SRAM_CH00); + + 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->channels[fh->channel_id].vidq.count; + + return ret_val; +} + +static int vidioc_log_status(struct file *file, void *priv) +{ + struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_fh *fh = priv; + char name[32 + 2]; + + struct sram_channel *sram_ch = dev->channels[fh->channel_id] + .sram_channels; + 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 0 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->channels[fh->channel_id] + .prio, fh->prio); + if (0 != err) + return err; + } + + return cx25821_set_control(dev, ctl, fh->channel_id); +} + /* VIDEO IOCTLS */ int cx25821_vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { @@ -822,8 +1233,9 @@ int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) int cx25821_vidioc_g_priority(struct file *file, void *f, enum v4l2_priority *p) { struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; + struct cx25821_fh *fh = f; - *p = v4l2_prio_max(&dev->prio); + *p = v4l2_prio_max(&dev->channels[fh->channel_id].prio); return 0; } @@ -833,7 +1245,8 @@ int cx25821_vidioc_s_priority(struct file *file, void *f, enum v4l2_priority pri struct cx25821_fh *fh = f; struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; - return v4l2_prio_change(&dev->prio, &fh->prio, prio); + return v4l2_prio_change(&dev->channels[fh->channel_id] + .prio, &fh->prio, prio); } #ifdef TUNER_FLAG @@ -846,7 +1259,8 @@ int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms) dprintk(1, "%s()\n", __func__); if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); + err = v4l2_prio_check(&dev->channels[fh->channel_id] + .prio, fh->prio); if (0 != err) return err; } @@ -916,7 +1330,8 @@ int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) dprintk(1, "%s(%d)\n", __func__, i); if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); + err = v4l2_prio_check(&dev->channels[fh->channel_id] + .prio, fh->prio); if (0 != err) return err; } @@ -967,9 +1382,14 @@ int cx25821_vidioc_s_frequency(struct file *file, void *priv, struct v4l2_freque int err; if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); + dev = fh->dev; + err = v4l2_prio_check(&dev->channels[fh->channel_id] + .prio, fh->prio); if (0 != err) return err; + } else { + printk(KERN_ERR "Invalid fh pointer!\n"); + return -EINVAL; } return cx25821_set_freq(dev, f); @@ -1031,7 +1451,8 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) int err; if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); + err = v4l2_prio_check(&dev->channels[fh->channel_id] + .prio, fh->prio); if (0 != err) return err; } @@ -1046,7 +1467,7 @@ int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) } #endif -// ****************************************************************************************** +/*****************************************************************************/ static const struct v4l2_queryctrl no_ctl = { .name = "42", .flags = V4L2_CTRL_FLAG_DISABLED, @@ -1129,6 +1550,7 @@ static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ctl) { struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; + struct cx25821_fh *fh = priv; const struct v4l2_queryctrl *ctrl; @@ -1138,16 +1560,16 @@ int cx25821_vidioc_g_ctrl(struct file *file, void *priv, struct v4l2_control *ct return -EINVAL; switch (ctl->id) { case V4L2_CID_BRIGHTNESS: - ctl->value = dev->ctl_bright; + ctl->value = dev->channels[fh->channel_id].ctl_bright; break; case V4L2_CID_HUE: - ctl->value = dev->ctl_hue; + ctl->value = dev->channels[fh->channel_id].ctl_hue; break; case V4L2_CID_CONTRAST: - ctl->value = dev->ctl_contrast; + ctl->value = dev->channels[fh->channel_id].ctl_contrast; break; case V4L2_CID_SATURATION: - ctl->value = dev->ctl_saturation; + ctl->value = dev->channels[fh->channel_id].ctl_saturation; break; } return 0; @@ -1181,19 +1603,19 @@ int cx25821_set_control(struct cx25821_dev *dev, switch (ctl->id) { case V4L2_CID_BRIGHTNESS: - dev->ctl_bright = ctl->value; + dev->channels[chan_num].ctl_bright = ctl->value; medusa_set_brightness(dev, ctl->value, chan_num); break; case V4L2_CID_HUE: - dev->ctl_hue = ctl->value; + dev->channels[chan_num].ctl_hue = ctl->value; medusa_set_hue(dev, ctl->value, chan_num); break; case V4L2_CID_CONTRAST: - dev->ctl_contrast = ctl->value; + dev->channels[chan_num].ctl_contrast = ctl->value; medusa_set_contrast(dev, ctl->value, chan_num); break; case V4L2_CID_SATURATION: - dev->ctl_saturation = ctl->value; + dev->channels[chan_num].ctl_saturation = ctl->value; medusa_set_saturation(dev, ctl->value, chan_num); break; } @@ -1203,7 +1625,7 @@ int cx25821_set_control(struct cx25821_dev *dev, return err; } -static void init_controls(struct cx25821_dev *dev, int chan_num) +static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num) { struct v4l2_control ctrl; int i; @@ -1239,23 +1661,24 @@ int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) int err; if (fh) { - err = v4l2_prio_check(&dev->prio, fh->prio); + err = v4l2_prio_check(&dev->channels[fh->channel_id]. + prio, fh->prio); if (0 != err) return err; } - // cx25821_vidioc_s_crop not supported + /* cx25821_vidioc_s_crop not supported */ return -EINVAL; } int cx25821_vidioc_g_crop(struct file *file, void *priv, struct v4l2_crop *crop) { - // cx25821_vidioc_g_crop not supported + /* cx25821_vidioc_g_crop not supported */ return -EINVAL; } int cx25821_vidioc_querystd(struct file *file, void *priv, v4l2_std_id * norm) { - // medusa does not support video standard sensing of current input + /* medusa does not support video standard sensing of current input */ *norm = CX25821_NORMS; return 0; @@ -1297,3 +1720,325 @@ int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm) return 0; } + +static long video_ioctl_upstream9(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + data_from_user = (struct upstream_user_struct *)arg; + + if (!data_from_user) { + printk + ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", + __func__); + return 0; + } + + command = data_from_user->command; + + if (command != UPSTREAM_START_VIDEO && + command != UPSTREAM_STOP_VIDEO) + return 0; + + dev->input_filename = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname = data_from_user->vid_stdname; + dev->pixel_format = data_from_user->pixel_format; + dev->channel_select = data_from_user->channel_select; + dev->command = data_from_user->command; + + switch (command) { + case UPSTREAM_START_VIDEO: + cx25821_start_upstream_video_ch1(dev, data_from_user); + break; + + case UPSTREAM_STOP_VIDEO: + cx25821_stop_upstream_video_ch1(dev); + break; + } + + return 0; +} + +static long video_ioctl_upstream10(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + data_from_user = (struct upstream_user_struct *)arg; + + if (!data_from_user) { + printk + ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", + __func__); + return 0; + } + + command = data_from_user->command; + + if (command != UPSTREAM_START_VIDEO && + command != UPSTREAM_STOP_VIDEO) + return 0; + + dev->input_filename_ch2 = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname_ch2 = data_from_user->vid_stdname; + dev->pixel_format_ch2 = data_from_user->pixel_format; + dev->channel_select_ch2 = data_from_user->channel_select; + dev->command_ch2 = data_from_user->command; + + switch (command) { + case UPSTREAM_START_VIDEO: + cx25821_start_upstream_video_ch2(dev, data_from_user); + break; + + case UPSTREAM_STOP_VIDEO: + cx25821_stop_upstream_video_ch2(dev); + break; + } + + return 0; +} + +static long video_ioctl_upstream11(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + int command = 0; + struct upstream_user_struct *data_from_user; + + data_from_user = (struct upstream_user_struct *)arg; + + if (!data_from_user) { + printk + ("cx25821 in %s(): Upstream data is INVALID. Returning.\n", + __func__); + return 0; + } + + command = data_from_user->command; + + if (command != UPSTREAM_START_AUDIO && + command != UPSTREAM_STOP_AUDIO) + return 0; + + dev->input_filename = data_from_user->input_filename; + dev->input_audiofilename = data_from_user->input_filename; + dev->vid_stdname = data_from_user->vid_stdname; + dev->pixel_format = data_from_user->pixel_format; + dev->channel_select = data_from_user->channel_select; + dev->command = data_from_user->command; + + switch (command) { + case UPSTREAM_START_AUDIO: + cx25821_start_upstream_audio(dev, data_from_user); + break; + + case UPSTREAM_STOP_AUDIO: + cx25821_stop_upstream_audio(dev); + break; + } + + return 0; +} + +static long video_ioctl_set(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct cx25821_fh *fh = file->private_data; + struct cx25821_dev *dev = fh->dev; + struct downstream_user_struct *data_from_user; + int command; + int width = 720; + int selected_channel = 0, pix_format = 0, i = 0; + int cif_enable = 0, cif_width = 0; + u32 value = 0; + + data_from_user = (struct downstream_user_struct *)arg; + + if (!data_from_user) { + printk( + "cx25821 in %s(): User data is INVALID. Returning.\n", + __func__); + return 0; + } + + command = data_from_user->command; + + if (command != SET_VIDEO_STD && command != SET_PIXEL_FORMAT + && command != ENABLE_CIF_RESOLUTION && command != REG_READ + && command != REG_WRITE && command != MEDUSA_READ + && command != MEDUSA_WRITE) { + return 0; + } + + switch (command) { + case SET_VIDEO_STD: + dev->tvnorm = + !strcmp(data_from_user->vid_stdname, + "PAL") ? V4L2_STD_PAL_BG : V4L2_STD_NTSC_M; + medusa_set_videostandard(dev); + break; + + case SET_PIXEL_FORMAT: + selected_channel = data_from_user->decoder_select; + pix_format = data_from_user->pixel_format; + + if (!(selected_channel <= 7 && selected_channel >= 0)) { + selected_channel -= 4; + selected_channel = selected_channel % 8; + } + + if (selected_channel >= 0) + cx25821_set_pixel_format(dev, selected_channel, + pix_format); + + break; + + case ENABLE_CIF_RESOLUTION: + selected_channel = data_from_user->decoder_select; + cif_enable = data_from_user->cif_resolution_enable; + cif_width = data_from_user->cif_width; + + if (cif_enable) { + if (dev->tvnorm & V4L2_STD_PAL_BG + || dev->tvnorm & V4L2_STD_PAL_DK) + width = 352; + else + width = (cif_width == 320 + || cif_width == 352) ? cif_width : 320; + } + + if (!(selected_channel <= 7 && selected_channel >= 0)) { + selected_channel -= 4; + selected_channel = selected_channel % 8; + } + + if (selected_channel <= 7 && selected_channel >= 0) { + dev->channels[selected_channel]. + use_cif_resolution = cif_enable; + dev->channels[selected_channel].cif_width = width; + } else { + for (i = 0; i < VID_CHANNEL_NUM; i++) { + dev->channels[i].use_cif_resolution = + cif_enable; + dev->channels[i].cif_width = width; + } + } + + medusa_set_resolution(dev, width, selected_channel); + break; + case REG_READ: + data_from_user->reg_data = cx_read(data_from_user->reg_address); + break; + case REG_WRITE: + cx_write(data_from_user->reg_address, data_from_user->reg_data); + break; + case MEDUSA_READ: + value = + cx25821_i2c_read(&dev->i2c_bus[0], + (u16) data_from_user->reg_address, + &data_from_user->reg_data); + break; + case MEDUSA_WRITE: + cx25821_i2c_write(&dev->i2c_bus[0], + (u16) data_from_user->reg_address, + data_from_user->reg_data); + break; + } + + return 0; +} + +static long cx25821_video_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + int ret = 0; + + struct cx25821_fh *fh = file->private_data; + + /* check to see if it's the video upstream */ + if (fh->channel_id == SRAM_CH09) { + ret = video_ioctl_upstream9(file, cmd, arg); + return ret; + } else if (fh->channel_id == SRAM_CH10) { + ret = video_ioctl_upstream10(file, cmd, arg); + return ret; + } else if (fh->channel_id == SRAM_CH11) { + ret = video_ioctl_upstream11(file, cmd, arg); + ret = video_ioctl_set(file, cmd, arg); + return ret; + } + + return video_ioctl2(file, cmd, arg); +} + +/* 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 = cx25821_video_ioctl, +}; + +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_videoioctl_template = { + .name = "cx25821-videoioctl", + .fops = &video_fops, + .ioctl_ops = &video_ioctl_ops, + .tvnorms = CX25821_NORMS, + .current_norm = V4L2_STD_NTSC_M, +}; |