diff options
Diffstat (limited to 'drivers/staging/cx25821/cx25821-video.c')
| -rw-r--r-- | drivers/staging/cx25821/cx25821-video.c | 2012 |
1 files changed, 0 insertions, 2012 deletions
diff --git a/drivers/staging/cx25821/cx25821-video.c b/drivers/staging/cx25821/cx25821-video.c deleted file mode 100644 index 084fc0899e13..000000000000 --- a/drivers/staging/cx25821/cx25821-video.c +++ /dev/null @@ -1,2012 +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 - * 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 - * 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. - */ - -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -#include "cx25821-video.h" - -MODULE_DESCRIPTION("v4l2 driver module for cx25821 based TV cards"); -MODULE_AUTHOR("Hiep Huynh <hiep.huynh@conexant.com>"); -MODULE_LICENSE("GPL"); - -static unsigned int video_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; -static unsigned int radio_nr[] = {[0 ... (CX25821_MAXBOARDS - 1)] = UNSET }; - -module_param_array(video_nr, int, NULL, 0444); -module_param_array(radio_nr, int, NULL, 0444); - -MODULE_PARM_DESC(video_nr, "video device numbers"); -MODULE_PARM_DESC(radio_nr, "radio device numbers"); - -static unsigned int video_debug = VIDEO_DEBUG; -module_param(video_debug, int, 0644); -MODULE_PARM_DESC(video_debug, "enable debug messages [video]"); - -static unsigned int irq_debug; -module_param(irq_debug, int, 0644); -MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]"); - -unsigned int vid_limit = 16; -module_param(vid_limit, int, 0644); -MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); - -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 - -struct cx25821_fmt formats[] = { - { - .name = "8 bpp, gray", - .fourcc = V4L2_PIX_FMT_GREY, - .depth = 8, - .flags = FORMAT_FLAGS_PACKED, - }, { - .name = "4:1:1, packed, Y41P", - .fourcc = V4L2_PIX_FMT_Y41P, - .depth = 12, - .flags = FORMAT_FLAGS_PACKED, - }, { - .name = "4:2:2, packed, YUYV", - .fourcc = V4L2_PIX_FMT_YUYV, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - }, { - .name = "4:2:2, packed, UYVY", - .fourcc = V4L2_PIX_FMT_UYVY, - .depth = 16, - .flags = FORMAT_FLAGS_PACKED, - }, { - .name = "4:2:0, YUV", - .fourcc = V4L2_PIX_FMT_YUV420, - .depth = 12, - .flags = FORMAT_FLAGS_PACKED, - }, -}; - -int cx25821_get_format_size(void) -{ - return ARRAY_SIZE(formats); -} - -struct cx25821_fmt *cx25821_format_by_fourcc(unsigned int fourcc) -{ - unsigned int i; - - if (fourcc == V4L2_PIX_FMT_Y41P || fourcc == V4L2_PIX_FMT_YUV411P) - return formats + 1; - - for (i = 0; i < ARRAY_SIZE(formats); i++) - if (formats[i].fourcc == fourcc) - return formats + i; - - pr_err("%s(0x%08x) NOT FOUND\n", __func__, fourcc); - return NULL; -} - -void cx25821_dump_video_queue(struct cx25821_dev *dev, - struct cx25821_dmaqueue *q) -{ - struct cx25821_buffer *buf; - struct list_head *item; - dprintk(1, "%s()\n", __func__); - - if (!list_empty(&q->active)) { - list_for_each(item, &q->active) - buf = list_entry(item, struct cx25821_buffer, vb.queue); - } - - if (!list_empty(&q->queued)) { - list_for_each(item, &q->queued) - buf = list_entry(item, struct cx25821_buffer, vb.queue); - } - -} - -void cx25821_video_wakeup(struct cx25821_dev *dev, struct cx25821_dmaqueue *q, - u32 count) -{ - struct cx25821_buffer *buf; - int bc; - - for (bc = 0;; bc++) { - if (list_empty(&q->active)) { - dprintk(1, "bc=%d (=0: active empty)\n", bc); - break; - } - - buf = - list_entry(q->active.next, struct cx25821_buffer, vb.queue); - - /* count comes from the hw and it is 16bit wide -- - * this trick handles wrap-arounds correctly for - * up to 32767 buffers in flight... */ - if ((s16) (count - buf->count) < 0) - break; - - do_gettimeofday(&buf->vb.ts); - buf->vb.state = VIDEOBUF_DONE; - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); - } - - if (list_empty(&q->active)) - del_timer(&q->timeout); - else - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - if (bc != 1) - pr_err("%s: %d buffers handled (should be 1)\n", __func__, bc); -} - -#ifdef TUNER_FLAG -int cx25821_set_tvnorm(struct cx25821_dev *dev, v4l2_std_id norm) -{ - dprintk(1, "%s(norm = 0x%08x) name: [%s]\n", - __func__, (unsigned int)norm, v4l2_norm_to_name(norm)); - - dev->tvnorm = norm; - - /* Tell the internal A/V decoder */ - cx25821_call_all(dev, core, s_std, norm); - - return 0; -} -#endif - -struct video_device *cx25821_vdev_init(struct cx25821_dev *dev, - struct pci_dev *pci, - struct video_device *template, - char *type) -{ - struct video_device *vfd; - dprintk(1, "%s()\n", __func__); - - vfd = video_device_alloc(); - if (NULL == vfd) - return NULL; - *vfd = *template; - vfd->v4l2_dev = &dev->v4l2_dev; - vfd->release = video_device_release; - snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name, type, - cx25821_boards[dev->board].name); - video_set_drvdata(vfd, dev); - return vfd; -} - -/* -static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) -{ - int i; - - if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) - return -EINVAL; - for (i = 0; i < CX25821_CTLS; i++) - if (cx25821_ctls[i].v.id == qctrl->id) - break; - if (i == CX25821_CTLS) { - *qctrl = no_ctl; - return 0; - } - *qctrl = cx25821_ctls[i].v; - return 0; -} -*/ - -/* resource management */ -int cx25821_res_get(struct cx25821_dev *dev, struct cx25821_fh *fh, - unsigned int bit) -{ - dprintk(1, "%s()\n", __func__); - if (fh->resources & bit) - /* have it already allocated */ - return 1; - - /* is it free? */ - mutex_lock(&dev->lock); - 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->channels[fh->channel_id].resources |= bit; - dprintk(1, "res: get %d\n", bit); - mutex_unlock(&dev->lock); - return 1; -} - -int cx25821_res_check(struct cx25821_fh *fh, unsigned int bit) -{ - return fh->resources & bit; -} - -int cx25821_res_locked(struct cx25821_fh *fh, unsigned int 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) -{ - BUG_ON((fh->resources & bits) != bits); - dprintk(1, "%s()\n", __func__); - - mutex_lock(&dev->lock); - fh->resources &= ~bits; - dev->channels[fh->channel_id].resources &= ~bits; - dprintk(1, "res: put %d\n", bits); - mutex_unlock(&dev->lock); -} - -int cx25821_video_mux(struct cx25821_dev *dev, unsigned int input) -{ - struct v4l2_routing route; - memset(&route, 0, sizeof(route)); - - dprintk(1, "%s(): video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n", - __func__, input, INPUT(input)->vmux, INPUT(input)->gpio0, - INPUT(input)->gpio1, INPUT(input)->gpio2, INPUT(input)->gpio3); - dev->input = input; - - route.input = INPUT(input)->vmux; - - /* Tell the internal A/V decoder */ - cx25821_call_all(dev, video, s_routing, INPUT(input)->vmux, 0, 0); - - return 0; -} - -int cx25821_start_video_dma(struct cx25821_dev *dev, - struct cx25821_dmaqueue *q, - struct cx25821_buffer *buf, - struct sram_channel *channel) -{ - int tmp = 0; - - /* setup fifo + format */ - cx25821_sram_channel_setup(dev, channel, buf->bpl, buf->risc.dma); - - /* reset counter */ - cx_write(channel->gpcnt_ctl, 3); - q->count = 1; - - /* enable irq */ - cx_set(PCI_INT_MSK, cx_read(PCI_INT_MSK) | (1 << channel->i)); - cx_set(channel->int_msk, 0x11); - - /* start dma */ - cx_write(channel->dma_ctl, 0x11); /* FIFO and RISC enable */ - - /* make sure upstream setting if any is reversed */ - tmp = cx_read(VID_CH_MODE_SEL); - cx_write(VID_CH_MODE_SEL, tmp & 0xFFFFFE00); - - return 0; -} - -int cx25821_restart_video_queue(struct cx25821_dev *dev, - struct cx25821_dmaqueue *q, - struct sram_channel *channel) -{ - struct cx25821_buffer *buf, *prev; - struct list_head *item; - - if (!list_empty(&q->active)) { - buf = - list_entry(q->active.next, struct cx25821_buffer, vb.queue); - - cx25821_start_video_dma(dev, q, buf, channel); - - list_for_each(item, &q->active) { - buf = list_entry(item, struct cx25821_buffer, vb.queue); - buf->count = q->count++; - } - - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - return 0; - } - - prev = NULL; - for (;;) { - if (list_empty(&q->queued)) - return 0; - - buf = - list_entry(q->queued.next, struct cx25821_buffer, vb.queue); - - if (NULL == prev) { - list_move_tail(&buf->vb.queue, &q->active); - cx25821_start_video_dma(dev, q, buf, channel); - buf->vb.state = VIDEOBUF_ACTIVE; - buf->count = q->count++; - mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); - } else if (prev->vb.width == buf->vb.width && - prev->vb.height == buf->vb.height && - prev->fmt == buf->fmt) { - list_move_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); - prev->risc.jmp[2] = cpu_to_le32(0); /* Bits 63 - 32 */ - } else { - return 0; - } - prev = buf; - } -} - -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->channels[channel->i].vidq; - struct cx25821_buffer *buf; - unsigned long flags; - - /* cx25821_sram_channel_dump(dev, channel); */ - cx_clear(channel->dma_ctl, 0x11); - - spin_lock_irqsave(&dev->slock, flags); - while (!list_empty(&q->active)) { - buf = - list_entry(q->active.next, struct cx25821_buffer, vb.queue); - list_del(&buf->vb.queue); - - buf->vb.state = VIDEOBUF_ERROR; - wake_up(&buf->vb.done); - } - - cx25821_restart_video_queue(dev, q, channel); - spin_unlock_irqrestore(&dev->slock, flags); -} - -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->channels[chan_num].sram_channels; - - mask = cx_read(channel->int_msk); - if (0 == (status & mask)) - return handled; - - cx_write(channel->int_stat, status); - - /* risc op code error */ - if (status & (1 << 16)) { - pr_warn("%s, %s: video risc op code error\n", - dev->name, channel->name); - cx_clear(channel->dma_ctl, 0x11); - cx25821_sram_channel_dump(dev, channel); - } - - /* risc1 y */ - if (status & FLD_VID_DST_RISC1) { - spin_lock(&dev->slock); - count = cx_read(channel->gpcnt); - cx25821_video_wakeup(dev, &dev->channels[channel->i].vidq, - count); - spin_unlock(&dev->slock); - handled++; - } - - /* risc2 y */ - if (status & 0x10) { - dprintk(2, "stopper video\n"); - spin_lock(&dev->slock); - cx25821_restart_video_queue(dev, - &dev->channels[channel->i].vidq, channel); - spin_unlock(&dev->slock); - handled++; - } - return handled; -} - -void cx25821_videoioctl_unregister(struct cx25821_dev *dev) -{ - if (dev->ioctl_dev) { - if (video_is_registered(dev->ioctl_dev)) - video_unregister_device(dev->ioctl_dev); - else - video_device_release(dev->ioctl_dev); - - dev->ioctl_dev = NULL; - } -} - -void cx25821_video_unregister(struct cx25821_dev *dev, int chan_num) -{ - cx_clear(PCI_INT_MSK, 1); - - 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->channels[chan_num].video_dev); - - dev->channels[chan_num].video_dev = NULL; - - btcx_riscmem_free(dev->pci, - &dev->channels[chan_num].vidq.stopper); - - pr_warn("device %d released!\n", chan_num); - } - -} - -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); - - for (i = 0; i < MAX_VID_CHANNEL_NUM - 1; ++i) { - cx25821_init_controls(dev, i); - - 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; - - } - - /* 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); - - - return 0; - -fail_unreg: - cx25821_video_unregister(dev, i); - return err; -} - -int cx25821_buffer_setup(struct videobuf_queue *q, unsigned int *count, - unsigned int *size) -{ - struct cx25821_fh *fh = q->priv_data; - - *size = fh->fmt->depth * fh->width * fh->height >> 3; - - if (0 == *count) - *count = 32; - - if (*size * *count > vid_limit * 1024 * 1024) - *count = (vid_limit * 1024 * 1024) / *size; - - return 0; -} - -int cx25821_buffer_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct cx25821_fh *fh = q->priv_data; - struct cx25821_dev *dev = fh->dev; - struct cx25821_buffer *buf = - container_of(vb, struct cx25821_buffer, vb); - int rc, init_buffer = 0; - u32 line0_offset, line1_offset; - struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); - int bpl_local = LINE_SIZE_D1; - int channel_opened = fh->channel_id; - - BUG_ON(NULL == fh->fmt); - if (fh->width < 48 || fh->width > 720 || - fh->height < 32 || fh->height > 576) - return -EINVAL; - - buf->vb.size = (fh->width * fh->height * fh->fmt->depth) >> 3; - - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) - return -EINVAL; - - if (buf->fmt != fh->fmt || - buf->vb.width != fh->width || - buf->vb.height != fh->height || buf->vb.field != field) { - buf->fmt = fh->fmt; - buf->vb.width = fh->width; - buf->vb.height = fh->height; - buf->vb.field = field; - init_buffer = 1; - } - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - init_buffer = 1; - rc = videobuf_iolock(q, &buf->vb, NULL); - if (0 != rc) { - printk(KERN_DEBUG pr_fmt("videobuf_iolock failed!\n")); - goto fail; - } - } - - dprintk(1, "init_buffer=%d\n", init_buffer); - - if (init_buffer) { - - channel_opened = dev->channel_opened; - if (channel_opened < 0 || channel_opened > 7) - channel_opened = 7; - - 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->channels[channel_opened].pixel_formats == - PIXEL_FRMT_411) { - bpl_local = buf->bpl; - } else { - bpl_local = buf->bpl; /* Default */ - - if (channel_opened >= 0 && channel_opened <= 7) { - 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->channels[channel_opened]. - cif_width << - 1; - } - } - } - - switch (buf->vb.field) { - case V4L2_FIELD_TOP: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, 0, UNSET, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_BOTTOM: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, UNSET, 0, - buf->bpl, 0, buf->vb.height); - break; - case V4L2_FIELD_INTERLACED: - /* All other formats are top field first */ - line0_offset = 0; - line1_offset = buf->bpl; - dprintk(1, "top field first\n"); - - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, line0_offset, - bpl_local, bpl_local, bpl_local, - buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_TB: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - 0, buf->bpl * (buf->vb.height >> 1), - buf->bpl, 0, buf->vb.height >> 1); - break; - case V4L2_FIELD_SEQ_BT: - cx25821_risc_buffer(dev->pci, &buf->risc, - dma->sglist, - buf->bpl * (buf->vb.height >> 1), 0, - buf->bpl, 0, buf->vb.height >> 1); - break; - default: - BUG(); - } - } - - dprintk(2, "[%p/%d] buffer_prep - %dx%d %dbpp \"%s\" - dma=0x%08lx\n", - buf, buf->vb.i, fh->width, fh->height, fh->fmt->depth, - fh->fmt->name, (unsigned long)buf->risc.dma); - - buf->vb.state = VIDEOBUF_PREPARED; - - return 0; - -fail: - cx25821_free_buffer(q, buf); - return rc; -} - -void cx25821_buffer_release(struct videobuf_queue *q, - struct videobuf_buffer *vb) -{ - struct cx25821_buffer *buf = - container_of(vb, struct cx25821_buffer, vb); - - cx25821_free_buffer(q, buf); -} - -struct videobuf_queue *get_queue(struct cx25821_fh *fh) -{ - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return &fh->vidq; - default: - BUG(); - return NULL; - } -} - -int cx25821_get_resource(struct cx25821_fh *fh, int resource) -{ - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return resource; - default: - BUG(); - return 0; - } -} - -int cx25821_video_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct cx25821_fh *fh = file->private_data; - - 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; - - mutex_lock(&cx25821_devlist_mutex); - - 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) { - mutex_unlock(&cx25821_devlist_mutex); - kfree(fh); - 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; - if (dev->channels[ch_id].pixel_formats == PIXEL_FRMT_411) - pix_format = V4L2_PIX_FMT_Y41P; - else - pix_format = V4L2_PIX_FMT_YUYV; - fh->fmt = cx25821_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, NULL); - - dprintk(1, "post videobuf_queue_init()\n"); - mutex_unlock(&cx25821_devlist_mutex); - - 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; - struct v4l2_mbus_framefmt mbus_fmt; - 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 = cx25821_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); - v4l2_fill_mbus_format(&mbus_fmt, &f->fmt.pix, V4L2_MBUS_FMT_FIXED); - cx25821_call_all(dev, video, s_mbus_fmt, &mbus_fmt); - - 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); - pr_info("%s/2: ============ START LOG STATUS ============\n", - dev->name); - cx25821_call_all(dev, core, log_status); - tmp = cx_read(sram_ch->dma_ctl); - pr_info("Video input 0 is %s\n", - (tmp & 0x11) ? "streaming" : "stopped"); - pr_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) -{ - struct cx25821_fh *fh = priv; - - f->fmt.pix.width = fh->width; - f->fmt.pix.height = fh->height; - f->fmt.pix.field = fh->vidq.field; - f->fmt.pix.pixelformat = fh->fmt->fourcc; - f->fmt.pix.bytesperline = (f->fmt.pix.width * fh->fmt->depth) >> 3; - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; - - return 0; -} - -int cx25821_vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct cx25821_fmt *fmt; - enum v4l2_field field; - unsigned int maxw, maxh; - - fmt = cx25821_format_by_fourcc(f->fmt.pix.pixelformat); - if (NULL == fmt) - return -EINVAL; - - field = f->fmt.pix.field; - maxw = 720; - maxh = 576; - - if (V4L2_FIELD_ANY == field) { - if (f->fmt.pix.height > maxh / 2) - field = V4L2_FIELD_INTERLACED; - else - field = V4L2_FIELD_TOP; - } - - switch (field) { - case V4L2_FIELD_TOP: - case V4L2_FIELD_BOTTOM: - maxh = maxh / 2; - break; - case V4L2_FIELD_INTERLACED: - break; - default: - return -EINVAL; - } - - f->fmt.pix.field = field; - if (f->fmt.pix.height < 32) - f->fmt.pix.height = 32; - if (f->fmt.pix.height > maxh) - f->fmt.pix.height = maxh; - if (f->fmt.pix.width < 48) - f->fmt.pix.width = 48; - if (f->fmt.pix.width > maxw) - f->fmt.pix.width = maxw; - f->fmt.pix.width &= ~0x03; - f->fmt.pix.bytesperline = (f->fmt.pix.width * fmt->depth) >> 3; - f->fmt.pix.sizeimage = f->fmt.pix.height * f->fmt.pix.bytesperline; - - return 0; -} - -int cx25821_vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - - strcpy(cap->driver, "cx25821"); - strlcpy(cap->card, cx25821_boards[dev->board].name, sizeof(cap->card)); - sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci)); - cap->version = CX25821_VERSION_CODE; - cap->capabilities = - V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; - if (UNSET != dev->tuner_type) - cap->capabilities |= V4L2_CAP_TUNER; - return 0; -} - -int cx25821_vidioc_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (unlikely(f->index >= ARRAY_SIZE(formats))) - return -EINVAL; - - strlcpy(f->description, formats[f->index].name, sizeof(f->description)); - f->pixelformat = formats[f->index].fourcc; - - return 0; -} - -int cx25821_vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct cx25821_fh *fh = priv; - return videobuf_reqbufs(get_queue(fh), p); -} - -int cx25821_vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *p) -{ - struct cx25821_fh *fh = priv; - return videobuf_querybuf(get_queue(fh), p); -} - -int cx25821_vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct cx25821_fh *fh = priv; - return videobuf_qbuf(get_queue(fh), 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->channels[fh->channel_id].prio); - - return 0; -} - -int cx25821_vidioc_s_priority(struct file *file, void *f, - enum v4l2_priority prio) -{ - struct cx25821_fh *fh = f; - struct cx25821_dev *dev = ((struct cx25821_fh *)f)->dev; - - return v4l2_prio_change(&dev->channels[fh->channel_id].prio, &fh->prio, - prio); -} - -#ifdef TUNER_FLAG -int cx25821_vidioc_s_std(struct file *file, void *priv, v4l2_std_id * tvnorms) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - int err; - - dprintk(1, "%s()\n", __func__); - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } - - if (dev->tvnorm == *tvnorms) - return 0; - - mutex_lock(&dev->lock); - cx25821_set_tvnorm(dev, *tvnorms); - mutex_unlock(&dev->lock); - - medusa_set_videostandard(dev); - - return 0; -} -#endif - -int cx25821_enum_input(struct cx25821_dev *dev, struct v4l2_input *i) -{ - static const char * const iname[] = { - [CX25821_VMUX_COMPOSITE] = "Composite", - [CX25821_VMUX_SVIDEO] = "S-Video", - [CX25821_VMUX_DEBUG] = "for debug only", - }; - unsigned int n; - dprintk(1, "%s()\n", __func__); - - n = i->index; - if (n >= 2) - return -EINVAL; - - if (0 == INPUT(n)->type) - return -EINVAL; - - i->type = V4L2_INPUT_TYPE_CAMERA; - strcpy(i->name, iname[INPUT(n)->type]); - - i->std = CX25821_NORMS; - return 0; -} - -int cx25821_vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *i) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - dprintk(1, "%s()\n", __func__); - return cx25821_enum_input(dev, i); -} - -int cx25821_vidioc_g_input(struct file *file, void *priv, unsigned int *i) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - - *i = dev->input; - dprintk(1, "%s(): returns %d\n", __func__, *i); - return 0; -} - -int cx25821_vidioc_s_input(struct file *file, void *priv, unsigned int i) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - int err; - - dprintk(1, "%s(%d)\n", __func__, i); - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } - - if (i > 2) { - dprintk(1, "%s(): -EINVAL\n", __func__); - return -EINVAL; - } - - mutex_lock(&dev->lock); - cx25821_video_mux(dev, i); - mutex_unlock(&dev->lock); - return 0; -} - -#ifdef TUNER_FLAG -int cx25821_vidioc_g_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev = fh->dev; - - f->frequency = dev->freq; - - cx25821_call_all(dev, tuner, g_frequency, f); - - return 0; -} - -int cx25821_set_freq(struct cx25821_dev *dev, struct v4l2_frequency *f) -{ - mutex_lock(&dev->lock); - dev->freq = f->frequency; - - cx25821_call_all(dev, tuner, s_frequency, f); - - /* When changing channels it is required to reset TVAUDIO */ - msleep(10); - - mutex_unlock(&dev->lock); - - return 0; -} - -int cx25821_vidioc_s_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct cx25821_fh *fh = priv; - struct cx25821_dev *dev; - int err; - - if (fh) { - dev = fh->dev; - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } else { - pr_err("Invalid fh pointer!\n"); - return -EINVAL; - } - - return cx25821_set_freq(dev, f); -} -#endif - -#ifdef CONFIG_VIDEO_ADV_DEBUG -int cx25821_vidioc_g_register(struct file *file, void *fh, - struct v4l2_dbg_register *reg) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - - cx25821_call_all(dev, core, g_register, reg); - - return 0; -} - -int cx25821_vidioc_s_register(struct file *file, void *fh, - struct v4l2_dbg_register *reg) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)fh)->dev; - - if (!v4l2_chip_match_host(®->match)) - return -EINVAL; - - cx25821_call_all(dev, core, s_register, reg); - - return 0; -} - -#endif - -#ifdef TUNER_FLAG -int cx25821_vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - - if (unlikely(UNSET == dev->tuner_type)) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - strcpy(t->name, "Television"); - t->type = V4L2_TUNER_ANALOG_TV; - t->capability = V4L2_TUNER_CAP_NORM; - t->rangehigh = 0xffffffffUL; - - t->signal = 0xffff; /* LOCKED */ - return 0; -} - -int cx25821_vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - struct cx25821_fh *fh = priv; - int err; - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } - - dprintk(1, "%s()\n", __func__); - if (UNSET == dev->tuner_type) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - return 0; -} - -#endif -/*****************************************************************************/ -static const struct v4l2_queryctrl no_ctl = { - .name = "42", - .flags = V4L2_CTRL_FLAG_DISABLED, -}; - -static struct v4l2_queryctrl cx25821_ctls[] = { - /* --- video --- */ - { - .id = V4L2_CID_BRIGHTNESS, - .name = "Brightness", - .minimum = 0, - .maximum = 10000, - .step = 1, - .default_value = 6200, - .type = V4L2_CTRL_TYPE_INTEGER, - }, { - .id = V4L2_CID_CONTRAST, - .name = "Contrast", - .minimum = 0, - .maximum = 10000, - .step = 1, - .default_value = 5000, - .type = V4L2_CTRL_TYPE_INTEGER, - }, { - .id = V4L2_CID_SATURATION, - .name = "Saturation", - .minimum = 0, - .maximum = 10000, - .step = 1, - .default_value = 5000, - .type = V4L2_CTRL_TYPE_INTEGER, - }, { - .id = V4L2_CID_HUE, - .name = "Hue", - .minimum = 0, - .maximum = 10000, - .step = 1, - .default_value = 5000, - .type = V4L2_CTRL_TYPE_INTEGER, - } -}; -static const int CX25821_CTLS = ARRAY_SIZE(cx25821_ctls); - -static int cx25821_ctrl_query(struct v4l2_queryctrl *qctrl) -{ - int i; - - if (qctrl->id < V4L2_CID_BASE || qctrl->id >= V4L2_CID_LASTP1) - return -EINVAL; - for (i = 0; i < CX25821_CTLS; i++) - if (cx25821_ctls[i].id == qctrl->id) - break; - if (i == CX25821_CTLS) { - *qctrl = no_ctl; - return 0; - } - *qctrl = cx25821_ctls[i]; - return 0; -} - -int cx25821_vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qctrl) -{ - return cx25821_ctrl_query(qctrl); -} - -/* ------------------------------------------------------------------ */ -/* VIDEO CTRL IOCTLS */ - -static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) -{ - unsigned int i; - - for (i = 0; i < CX25821_CTLS; i++) - if (cx25821_ctls[i].id == id) - return cx25821_ctls + i; - return NULL; -} - -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; - - ctrl = ctrl_by_id(ctl->id); - - if (NULL == ctrl) - return -EINVAL; - switch (ctl->id) { - case V4L2_CID_BRIGHTNESS: - ctl->value = dev->channels[fh->channel_id].ctl_bright; - break; - case V4L2_CID_HUE: - ctl->value = dev->channels[fh->channel_id].ctl_hue; - break; - case V4L2_CID_CONTRAST: - ctl->value = dev->channels[fh->channel_id].ctl_contrast; - break; - case V4L2_CID_SATURATION: - ctl->value = dev->channels[fh->channel_id].ctl_saturation; - break; - } - return 0; -} - -int cx25821_set_control(struct cx25821_dev *dev, - struct v4l2_control *ctl, int chan_num) -{ - int err; - const struct v4l2_queryctrl *ctrl; - - err = -EINVAL; - - ctrl = ctrl_by_id(ctl->id); - - if (NULL == ctrl) - return err; - - switch (ctrl->type) { - case V4L2_CTRL_TYPE_BOOLEAN: - case V4L2_CTRL_TYPE_MENU: - case V4L2_CTRL_TYPE_INTEGER: - if (ctl->value < ctrl->minimum) - ctl->value = ctrl->minimum; - if (ctl->value > ctrl->maximum) - ctl->value = ctrl->maximum; - break; - default: - /* nothing */ ; - } - - switch (ctl->id) { - case V4L2_CID_BRIGHTNESS: - dev->channels[chan_num].ctl_bright = ctl->value; - medusa_set_brightness(dev, ctl->value, chan_num); - break; - case V4L2_CID_HUE: - dev->channels[chan_num].ctl_hue = ctl->value; - medusa_set_hue(dev, ctl->value, chan_num); - break; - case V4L2_CID_CONTRAST: - dev->channels[chan_num].ctl_contrast = ctl->value; - medusa_set_contrast(dev, ctl->value, chan_num); - break; - case V4L2_CID_SATURATION: - dev->channels[chan_num].ctl_saturation = ctl->value; - medusa_set_saturation(dev, ctl->value, chan_num); - break; - } - - err = 0; - - return err; -} - -static void cx25821_init_controls(struct cx25821_dev *dev, int chan_num) -{ - struct v4l2_control ctrl; - int i; - for (i = 0; i < CX25821_CTLS; i++) { - ctrl.id = cx25821_ctls[i].id; - ctrl.value = cx25821_ctls[i].default_value; - - cx25821_set_control(dev, &ctrl, chan_num); - } -} - -int cx25821_vidioc_cropcap(struct file *file, void *priv, - struct v4l2_cropcap *cropcap) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - - if (cropcap->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - cropcap->bounds.top = cropcap->bounds.left = 0; - cropcap->bounds.width = 720; - cropcap->bounds.height = dev->tvnorm == V4L2_STD_PAL_BG ? 576 : 480; - cropcap->pixelaspect.numerator = - dev->tvnorm == V4L2_STD_PAL_BG ? 59 : 10; - cropcap->pixelaspect.denominator = - dev->tvnorm == V4L2_STD_PAL_BG ? 54 : 11; - cropcap->defrect = cropcap->bounds; - return 0; -} - -int cx25821_vidioc_s_crop(struct file *file, void *priv, struct v4l2_crop *crop) -{ - struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; - struct cx25821_fh *fh = priv; - int err; - - if (fh) { - err = v4l2_prio_check(&dev->channels[fh->channel_id].prio, - fh->prio); - if (0 != err) - return err; - } - /* 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 */ - 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 */ - *norm = CX25821_NORMS; - - return 0; -} - -int cx25821_is_valid_width(u32 width, v4l2_std_id tvnorm) -{ - if (tvnorm == V4L2_STD_PAL_BG) { - if (width == 352 || width == 720) - return 1; - else - return 0; - } - - if (tvnorm == V4L2_STD_NTSC_M) { - if (width == 320 || width == 352 || width == 720) - return 1; - else - return 0; - } - return 0; -} - -int cx25821_is_valid_height(u32 height, v4l2_std_id tvnorm) -{ - if (tvnorm == V4L2_STD_PAL_BG) { - if (height == 576 || height == 288) - return 1; - else - return 0; - } - - if (tvnorm == V4L2_STD_NTSC_M) { - if (height == 480 || height == 240) - return 1; - else - return 0; - } - - 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) { - pr_err("%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) { - pr_err("%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) { - pr_err("%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) { - pr_err("%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: - if (!strcmp(data_from_user->vid_stdname, "PAL")) - dev->tvnorm = V4L2_STD_PAL_BG; - else - dev->tvnorm = 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; - if (cif_width != 320 && cif_width != 352) - 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 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, -}; |