diff options
Diffstat (limited to 'drivers/media/video/tm6000/tm6000-video.c')
| -rw-r--r-- | drivers/media/video/tm6000/tm6000-video.c | 1852 |
1 files changed, 0 insertions, 1852 deletions
diff --git a/drivers/media/video/tm6000/tm6000-video.c b/drivers/media/video/tm6000/tm6000-video.c deleted file mode 100644 index 45ed59cb2d0..00000000000 --- a/drivers/media/video/tm6000/tm6000-video.c +++ /dev/null @@ -1,1852 +0,0 @@ -/* - * tm6000-video.c - driver for TM5600/TM6000/TM6010 USB video capture devices - * - * Copyright (C) 2006-2007 Mauro Carvalho Chehab <mchehab@infradead.org> - * - * Copyright (C) 2007 Michel Ludwig <michel.ludwig@gmail.com> - * - Fixed module load/unload - * - * 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 version 2 - * - * 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 <linux/module.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/fs.h> -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/mm.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/sched.h> -#include <linux/random.h> -#include <linux/usb.h> -#include <linux/videodev2.h> -#include <media/v4l2-ioctl.h> -#include <media/tuner.h> -#include <linux/interrupt.h> -#include <linux/kthread.h> -#include <linux/highmem.h> -#include <linux/freezer.h> - -#include "tm6000-regs.h" -#include "tm6000.h" - -#define BUFFER_TIMEOUT msecs_to_jiffies(2000) /* 2 seconds */ - -/* Limits minimum and default number of buffers */ -#define TM6000_MIN_BUF 4 -#define TM6000_DEF_BUF 8 - -#define TM6000_MAX_ISO_PACKETS 46 /* Max number of ISO packets */ - -/* Declare static vars that will be used as parameters */ -static unsigned int vid_limit = 16; /* Video memory limit, in Mb */ -static int video_nr = -1; /* /dev/videoN, -1 for autodetect */ -static int radio_nr = -1; /* /dev/radioN, -1 for autodetect */ - -/* Debug level */ -int tm6000_debug; -EXPORT_SYMBOL_GPL(tm6000_debug); - -static const struct v4l2_queryctrl no_ctrl = { - .name = "42", - .flags = V4L2_CTRL_FLAG_DISABLED, -}; - -/* supported controls */ -static struct v4l2_queryctrl tm6000_qctrl[] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 255, - .step = 1, - .default_value = 54, - .flags = 0, - }, { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 255, - .step = 0x1, - .default_value = 119, - .flags = 0, - }, { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = 0, - .maximum = 255, - .step = 0x1, - .default_value = 112, - .flags = 0, - }, { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = -128, - .maximum = 127, - .step = 0x1, - .default_value = 0, - .flags = 0, - }, - /* --- audio --- */ - { - .id = V4L2_CID_AUDIO_MUTE, - .name = "Mute", - .minimum = 0, - .maximum = 1, - .type = V4L2_CTRL_TYPE_BOOLEAN, - }, { - .id = V4L2_CID_AUDIO_VOLUME, - .name = "Volume", - .minimum = -15, - .maximum = 15, - .step = 1, - .default_value = 0, - .type = V4L2_CTRL_TYPE_INTEGER, - } -}; - -static const unsigned int CTRLS = ARRAY_SIZE(tm6000_qctrl); -static int qctl_regs[ARRAY_SIZE(tm6000_qctrl)]; - -static struct tm6000_fmt format[] = { - { - .name = "4:2:2, packed, YVY2", - .fourcc = V4L2_PIX_FMT_YUYV, - .depth = 16, - }, { - .name = "4:2:2, packed, UYVY", - .fourcc = V4L2_PIX_FMT_UYVY, - .depth = 16, - }, { - .name = "A/V + VBI mux packet", - .fourcc = V4L2_PIX_FMT_TM6000, - .depth = 16, - } -}; - -static const struct v4l2_queryctrl *ctrl_by_id(unsigned int id) -{ - unsigned int i; - - for (i = 0; i < CTRLS; i++) - if (tm6000_qctrl[i].id == id) - return tm6000_qctrl+i; - return NULL; -} - -/* ------------------------------------------------------------------ - * DMA and thread functions - * ------------------------------------------------------------------ - */ - -#define norm_maxw(a) 720 -#define norm_maxh(a) 576 - -#define norm_minw(a) norm_maxw(a) -#define norm_minh(a) norm_maxh(a) - -/* - * video-buf generic routine to get the next available buffer - */ -static inline void get_next_buf(struct tm6000_dmaqueue *dma_q, - struct tm6000_buffer **buf) -{ - struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); - - if (list_empty(&dma_q->active)) { - dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n"); - *buf = NULL; - return; - } - - *buf = list_entry(dma_q->active.next, - struct tm6000_buffer, vb.queue); -} - -/* - * Announces that a buffer were filled and request the next - */ -static inline void buffer_filled(struct tm6000_core *dev, - struct tm6000_dmaqueue *dma_q, - struct tm6000_buffer *buf) -{ - /* Advice that buffer was filled */ - dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i); - buf->vb.state = VIDEOBUF_DONE; - buf->vb.field_count++; - do_gettimeofday(&buf->vb.ts); - - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); -} - -/* - * Identify the tm5600/6000 buffer header type and properly handles - */ -static int copy_streams(u8 *data, unsigned long len, - struct urb *urb) -{ - struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); - u8 *ptr = data, *endp = data+len; - unsigned long header = 0; - int rc = 0; - unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0; - struct tm6000_buffer *vbuf = NULL; - char *voutp = NULL; - unsigned int linewidth; - - if (!dev->radio) { - /* get video buffer */ - get_next_buf(dma_q, &vbuf); - - if (!vbuf) - return rc; - voutp = videobuf_to_vmalloc(&vbuf->vb); - - if (!voutp) - return 0; - } - - for (ptr = data; ptr < endp;) { - if (!dev->isoc_ctl.cmd) { - /* Header */ - if (dev->isoc_ctl.tmp_buf_len > 0) { - /* from last urb or packet */ - header = dev->isoc_ctl.tmp_buf; - if (4 - dev->isoc_ctl.tmp_buf_len > 0) { - memcpy((u8 *)&header + - dev->isoc_ctl.tmp_buf_len, - ptr, - 4 - dev->isoc_ctl.tmp_buf_len); - ptr += 4 - dev->isoc_ctl.tmp_buf_len; - } - dev->isoc_ctl.tmp_buf_len = 0; - } else { - if (ptr + 3 >= endp) { - /* have incomplete header */ - dev->isoc_ctl.tmp_buf_len = endp - ptr; - memcpy(&dev->isoc_ctl.tmp_buf, ptr, - dev->isoc_ctl.tmp_buf_len); - return rc; - } - /* Seek for sync */ - for (; ptr < endp - 3; ptr++) { - if (*(ptr + 3) == 0x47) - break; - } - /* Get message header */ - header = *(unsigned long *)ptr; - ptr += 4; - } - - /* split the header fields */ - size = ((header & 0x7e) << 1); - if (size > 0) - size -= 4; - block = (header >> 7) & 0xf; - field = (header >> 11) & 0x1; - line = (header >> 12) & 0x1ff; - cmd = (header >> 21) & 0x7; - /* Validates haeder fields */ - if (size > TM6000_URB_MSG_LEN) - size = TM6000_URB_MSG_LEN; - pktsize = TM6000_URB_MSG_LEN; - /* - * calculate position in buffer and change the buffer - */ - switch (cmd) { - case TM6000_URB_MSG_VIDEO: - if (!dev->radio) { - if ((dev->isoc_ctl.vfield != field) && - (field == 1)) { - /* - * Announces that a new buffer - * were filled - */ - buffer_filled(dev, dma_q, vbuf); - dprintk(dev, V4L2_DEBUG_ISOC, - "new buffer filled\n"); - get_next_buf(dma_q, &vbuf); - if (!vbuf) - return rc; - voutp = videobuf_to_vmalloc(&vbuf->vb); - if (!voutp) - return rc; - memset(voutp, 0, vbuf->vb.size); - } - linewidth = vbuf->vb.width << 1; - pos = ((line << 1) - field - 1) * - linewidth + block * TM6000_URB_MSG_LEN; - /* Don't allow to write out of the buffer */ - if (pos + size > vbuf->vb.size) - cmd = TM6000_URB_MSG_ERR; - dev->isoc_ctl.vfield = field; - } - break; - case TM6000_URB_MSG_VBI: - break; - case TM6000_URB_MSG_AUDIO: - case TM6000_URB_MSG_PTS: - size = pktsize; /* Size is always 180 bytes */ - break; - } - } else { - /* Continue the last copy */ - cmd = dev->isoc_ctl.cmd; - size = dev->isoc_ctl.size; - pos = dev->isoc_ctl.pos; - pktsize = dev->isoc_ctl.pktsize; - field = dev->isoc_ctl.field; - } - cpysize = (endp - ptr > size) ? size : endp - ptr; - if (cpysize) { - /* copy data in different buffers */ - switch (cmd) { - case TM6000_URB_MSG_VIDEO: - /* Fills video buffer */ - if (vbuf) - memcpy(&voutp[pos], ptr, cpysize); - break; - case TM6000_URB_MSG_AUDIO: { - int i; - for (i = 0; i < cpysize; i += 2) - swab16s((u16 *)(ptr + i)); - - tm6000_call_fillbuf(dev, TM6000_AUDIO, ptr, cpysize); - break; - } - case TM6000_URB_MSG_VBI: - /* Need some code to copy vbi buffer */ - break; - case TM6000_URB_MSG_PTS: { - /* Need some code to copy pts */ - u32 pts; - pts = *(u32 *)ptr; - dprintk(dev, V4L2_DEBUG_ISOC, "field %d, PTS %x", - field, pts); - break; - } - } - } - if (ptr + pktsize > endp) { - /* - * End of URB packet, but cmd processing is not - * complete. Preserve the state for a next packet - */ - dev->isoc_ctl.pos = pos + cpysize; - dev->isoc_ctl.size = size - cpysize; - dev->isoc_ctl.cmd = cmd; - dev->isoc_ctl.field = field; - dev->isoc_ctl.pktsize = pktsize - (endp - ptr); - ptr += endp - ptr; - } else { - dev->isoc_ctl.cmd = 0; - ptr += pktsize; - } - } - return 0; -} - -/* - * Identify the tm5600/6000 buffer header type and properly handles - */ -static int copy_multiplexed(u8 *ptr, unsigned long len, - struct urb *urb) -{ - struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); - unsigned int pos = dev->isoc_ctl.pos, cpysize; - int rc = 1; - struct tm6000_buffer *buf; - char *outp = NULL; - - get_next_buf(dma_q, &buf); - if (buf) - outp = videobuf_to_vmalloc(&buf->vb); - - if (!outp) - return 0; - - while (len > 0) { - cpysize = min(len, buf->vb.size-pos); - memcpy(&outp[pos], ptr, cpysize); - pos += cpysize; - ptr += cpysize; - len -= cpysize; - if (pos >= buf->vb.size) { - pos = 0; - /* Announces that a new buffer were filled */ - buffer_filled(dev, dma_q, buf); - dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n"); - get_next_buf(dma_q, &buf); - if (!buf) - break; - outp = videobuf_to_vmalloc(&(buf->vb)); - if (!outp) - return rc; - pos = 0; - } - } - - dev->isoc_ctl.pos = pos; - return rc; -} - -static inline void print_err_status(struct tm6000_core *dev, - int packet, int status) -{ - char *errmsg = "Unknown"; - - switch (status) { - case -ENOENT: - errmsg = "unlinked synchronuously"; - break; - case -ECONNRESET: - errmsg = "unlinked asynchronuously"; - break; - case -ENOSR: - errmsg = "Buffer error (overrun)"; - break; - case -EPIPE: - errmsg = "Stalled (device not responding)"; - break; - case -EOVERFLOW: - errmsg = "Babble (bad cable?)"; - break; - case -EPROTO: - errmsg = "Bit-stuff error (bad cable?)"; - break; - case -EILSEQ: - errmsg = "CRC/Timeout (could be anything)"; - break; - case -ETIME: - errmsg = "Device does not respond"; - break; - } - if (packet < 0) { - dprintk(dev, V4L2_DEBUG_QUEUE, "URB status %d [%s].\n", - status, errmsg); - } else { - dprintk(dev, V4L2_DEBUG_QUEUE, "URB packet %d, status %d [%s].\n", - packet, status, errmsg); - } -} - - -/* - * Controls the isoc copy of each urb packet - */ -static inline int tm6000_isoc_copy(struct urb *urb) -{ - struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); - int i, len = 0, rc = 1, status; - char *p; - - if (urb->status < 0) { - print_err_status(dev, -1, urb->status); - return 0; - } - - for (i = 0; i < urb->number_of_packets; i++) { - status = urb->iso_frame_desc[i].status; - - if (status < 0) { - print_err_status(dev, i, status); - continue; - } - - len = urb->iso_frame_desc[i].actual_length; - - if (len > 0) { - p = urb->transfer_buffer + urb->iso_frame_desc[i].offset; - if (!urb->iso_frame_desc[i].status) { - if ((dev->fourcc) == V4L2_PIX_FMT_TM6000) { - rc = copy_multiplexed(p, len, urb); - if (rc <= 0) - return rc; - } else { - copy_streams(p, len, urb); - } - } - } - } - return rc; -} - -/* ------------------------------------------------------------------ - * URB control - * ------------------------------------------------------------------ - */ - -/* - * IRQ callback, called by URB callback - */ -static void tm6000_irq_callback(struct urb *urb) -{ - struct tm6000_dmaqueue *dma_q = urb->context; - struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq); - int i; - - switch (urb->status) { - case 0: - case -ETIMEDOUT: - break; - - case -ECONNRESET: - case -ENOENT: - case -ESHUTDOWN: - return; - - default: - tm6000_err("urb completion error %d.\n", urb->status); - break; - } - - spin_lock(&dev->slock); - tm6000_isoc_copy(urb); - spin_unlock(&dev->slock); - - /* Reset urb buffers */ - for (i = 0; i < urb->number_of_packets; i++) { - urb->iso_frame_desc[i].status = 0; - urb->iso_frame_desc[i].actual_length = 0; - } - - urb->status = usb_submit_urb(urb, GFP_ATOMIC); - if (urb->status) - tm6000_err("urb resubmit failed (error=%i)\n", - urb->status); -} - -/* - * Stop and Deallocate URBs - */ -static void tm6000_uninit_isoc(struct tm6000_core *dev) -{ - struct urb *urb; - int i; - - dev->isoc_ctl.buf = NULL; - for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { - urb = dev->isoc_ctl.urb[i]; - if (urb) { - usb_kill_urb(urb); - usb_unlink_urb(urb); - if (dev->isoc_ctl.transfer_buffer[i]) { - usb_free_coherent(dev->udev, - urb->transfer_buffer_length, - dev->isoc_ctl.transfer_buffer[i], - urb->transfer_dma); - } - usb_free_urb(urb); - dev->isoc_ctl.urb[i] = NULL; - } - dev->isoc_ctl.transfer_buffer[i] = NULL; - } - - kfree(dev->isoc_ctl.urb); - kfree(dev->isoc_ctl.transfer_buffer); - - dev->isoc_ctl.urb = NULL; - dev->isoc_ctl.transfer_buffer = NULL; - dev->isoc_ctl.num_bufs = 0; -} - -/* - * Allocate URBs and start IRQ - */ -static int tm6000_prepare_isoc(struct tm6000_core *dev) -{ - struct tm6000_dmaqueue *dma_q = &dev->vidq; - int i, j, sb_size, pipe, size, max_packets, num_bufs = 8; - struct urb *urb; - - /* De-allocates all pending stuff */ - tm6000_uninit_isoc(dev); - /* Stop interrupt USB pipe */ - tm6000_ir_int_stop(dev); - - usb_set_interface(dev->udev, - dev->isoc_in.bInterfaceNumber, - dev->isoc_in.bAlternateSetting); - - /* Start interrupt USB pipe */ - tm6000_ir_int_start(dev); - - pipe = usb_rcvisocpipe(dev->udev, - dev->isoc_in.endp->desc.bEndpointAddress & - USB_ENDPOINT_NUMBER_MASK); - - size = usb_maxpacket(dev->udev, pipe, usb_pipeout(pipe)); - - if (size > dev->isoc_in.maxsize) - size = dev->isoc_in.maxsize; - - dev->isoc_ctl.max_pkt_size = size; - - max_packets = TM6000_MAX_ISO_PACKETS; - sb_size = max_packets * size; - - dev->isoc_ctl.num_bufs = num_bufs; - - dev->isoc_ctl.urb = kmalloc(sizeof(void *)*num_bufs, GFP_KERNEL); - if (!dev->isoc_ctl.urb) { - tm6000_err("cannot alloc memory for usb buffers\n"); - return -ENOMEM; - } - - dev->isoc_ctl.transfer_buffer = kmalloc(sizeof(void *)*num_bufs, - GFP_KERNEL); - if (!dev->isoc_ctl.transfer_buffer) { - tm6000_err("cannot allocate memory for usbtransfer\n"); - kfree(dev->isoc_ctl.urb); - return -ENOMEM; - } - - dprintk(dev, V4L2_DEBUG_QUEUE, "Allocating %d x %d packets" - " (%d bytes) of %d bytes each to handle %u size\n", - max_packets, num_bufs, sb_size, - dev->isoc_in.maxsize, size); - - /* allocate urbs and transfer buffers */ - for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { - urb = usb_alloc_urb(max_packets, GFP_KERNEL); - if (!urb) { - tm6000_err("cannot alloc isoc_ctl.urb %i\n", i); - tm6000_uninit_isoc(dev); - usb_free_urb(urb); - return -ENOMEM; - } - dev->isoc_ctl.urb[i] = urb; - - dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->udev, - sb_size, GFP_KERNEL, &urb->transfer_dma); - if (!dev->isoc_ctl.transfer_buffer[i]) { - tm6000_err("unable to allocate %i bytes for transfer" - " buffer %i%s\n", - sb_size, i, - in_interrupt() ? " while in int" : ""); - tm6000_uninit_isoc(dev); - return -ENOMEM; - } - memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size); - - usb_fill_bulk_urb(urb, dev->udev, pipe, - dev->isoc_ctl.transfer_buffer[i], sb_size, - tm6000_irq_callback, dma_q); - urb->interval = dev->isoc_in.endp->desc.bInterval; - urb->number_of_packets = max_packets; - urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP; - - for (j = 0; j < max_packets; j++) { - urb->iso_frame_desc[j].offset = size * j; - urb->iso_frame_desc[j].length = size; - } - } - - return 0; -} - -static int tm6000_start_thread(struct tm6000_core *dev) -{ - struct tm6000_dmaqueue *dma_q = &dev->vidq; - int i; - - dma_q->frame = 0; - dma_q->ini_jiffies = jiffies; - - init_waitqueue_head(&dma_q->wq); - - /* submit urbs and enables IRQ */ - for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { - int rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC); - if (rc) { - tm6000_err("submit of urb %i failed (error=%i)\n", i, - rc); - tm6000_uninit_isoc(dev); - return rc; - } - } - - return 0; -} - -/* ------------------------------------------------------------------ - * Videobuf operations - * ------------------------------------------------------------------ - */ - -static int -buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size) -{ - struct tm6000_fh *fh = vq->priv_data; - - *size = fh->fmt->depth * fh->width * fh->height >> 3; - if (0 == *count) - *count = TM6000_DEF_BUF; - - if (*count < TM6000_MIN_BUF) - *count = TM6000_MIN_BUF; - - while (*size * *count > vid_limit * 1024 * 1024) - (*count)--; - - return 0; -} - -static void free_buffer(struct videobuf_queue *vq, struct tm6000_buffer *buf) -{ - struct tm6000_fh *fh = vq->priv_data; - struct tm6000_core *dev = fh->dev; - unsigned long flags; - - if (in_interrupt()) - BUG(); - - /* We used to wait for the buffer to finish here, but this didn't work - because, as we were keeping the state as VIDEOBUF_QUEUED, - videobuf_queue_cancel marked it as finished for us. - (Also, it could wedge forever if the hardware was misconfigured.) - - This should be safe; by the time we get here, the buffer isn't - queued anymore. If we ever start marking the buffers as - VIDEOBUF_ACTIVE, it won't be, though. - */ - spin_lock_irqsave(&dev->slock, flags); - if (dev->isoc_ctl.buf == buf) - dev->isoc_ctl.buf = NULL; - spin_unlock_irqrestore(&dev->slock, flags); - - videobuf_vmalloc_free(&buf->vb); - buf->vb.state = VIDEOBUF_NEEDS_INIT; -} - -static int -buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, - enum v4l2_field field) -{ - struct tm6000_fh *fh = vq->priv_data; - struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); - struct tm6000_core *dev = fh->dev; - int rc = 0; - - BUG_ON(NULL == fh->fmt); - - - /* FIXME: It assumes depth=2 */ - /* The only currently supported format is 16 bits/pixel */ - buf->vb.size = fh->fmt->depth*fh->width*fh->height >> 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; - buf->vb.state = VIDEOBUF_NEEDS_INIT; - } - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - rc = videobuf_iolock(vq, &buf->vb, NULL); - if (rc != 0) - goto fail; - } - - if (!dev->isoc_ctl.num_bufs) { - rc = tm6000_prepare_isoc(dev); - if (rc < 0) - goto fail; - - rc = tm6000_start_thread(dev); - if (rc < 0) - goto fail; - - } - - buf->vb.state = VIDEOBUF_PREPARED; - return 0; - -fail: - free_buffer(vq, buf); - return rc; -} - -static void -buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); - struct tm6000_fh *fh = vq->priv_data; - struct tm6000_core *dev = fh->dev; - struct tm6000_dmaqueue *vidq = &dev->vidq; - - buf->vb.state = VIDEOBUF_QUEUED; - list_add_tail(&buf->vb.queue, &vidq->active); -} - -static void buffer_release(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct tm6000_buffer *buf = container_of(vb, struct tm6000_buffer, vb); - - free_buffer(vq, buf); -} - -static struct videobuf_queue_ops tm6000_video_qops = { - .buf_setup = buffer_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = buffer_release, -}; - -/* ------------------------------------------------------------------ - * IOCTL handling - * ------------------------------------------------------------------ - */ - -static bool is_res_read(struct tm6000_core *dev, struct tm6000_fh *fh) -{ - /* Is the current fh handling it? if so, that's OK */ - if (dev->resources == fh && dev->is_res_read) - return true; - - return false; -} - -static bool is_res_streaming(struct tm6000_core *dev, struct tm6000_fh *fh) -{ - /* Is the current fh handling it? if so, that's OK */ - if (dev->resources == fh) - return true; - - return false; -} - -static bool res_get(struct tm6000_core *dev, struct tm6000_fh *fh, - bool is_res_read) -{ - /* Is the current fh handling it? if so, that's OK */ - if (dev->resources == fh && dev->is_res_read == is_res_read) - return true; - - /* is it free? */ - if (dev->resources) - return false; - - /* grab it */ - dev->resources = fh; - dev->is_res_read = is_res_read; - dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: get\n"); - return true; -} - -static void res_free(struct tm6000_core *dev, struct tm6000_fh *fh) -{ - /* Is the current fh handling it? if so, that's OK */ - if (dev->resources != fh) - return; - - dev->resources = NULL; - dprintk(dev, V4L2_DEBUG_RES_LOCK, "res: put\n"); -} - -/* ------------------------------------------------------------------ - * IOCTL vidioc handling - * ------------------------------------------------------------------ - */ -static int vidioc_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; - - strlcpy(cap->driver, "tm6000", sizeof(cap->driver)); - strlcpy(cap->card, "Trident TVMaster TM5600/6000/6010", sizeof(cap->card)); - cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | - V4L2_CAP_STREAMING | - V4L2_CAP_AUDIO | - V4L2_CAP_READWRITE; - - if (dev->tuner_type != TUNER_ABSENT) - cap->capabilities |= V4L2_CAP_TUNER; - - return 0; -} - -static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_fmtdesc *f) -{ - if (unlikely(f->index >= ARRAY_SIZE(format))) - return -EINVAL; - - strlcpy(f->description, format[f->index].name, sizeof(f->description)); - f->pixelformat = format[f->index].fourcc; - return 0; -} - -static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct tm6000_fh *fh = priv; - - f->fmt.pix.width = fh->width; - f->fmt.pix.height = fh->height; - f->fmt.pix.field = fh->vb_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; -} - -static struct tm6000_fmt *format_by_fourcc(unsigned int fourcc) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(format); i++) - if (format[i].fourcc == fourcc) - return format+i; - return NULL; -} - -static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct tm6000_core *dev = ((struct tm6000_fh *)priv)->dev; - struct tm6000_fmt *fmt; - enum v4l2_field field; - - fmt = format_by_fourcc(f->fmt.pix.pixelformat); - if (NULL == fmt) { - dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Fourcc format (0x%08x)" - " invalid.\n", f->fmt.pix.pixelformat); - return -EINVAL; - } - - field = f->fmt.pix.field; - - if (field == V4L2_FIELD_ANY) - field = V4L2_FIELD_SEQ_TB; - else if (V4L2_FIELD_INTERLACED != field) { - dprintk(dev, V4L2_DEBUG_IOCTL_ARG, "Field type invalid.\n"); - return -EINVAL; - } - - tm6000_get_std_res(dev); - - f->fmt.pix.width = dev->width; - f->fmt.pix.height = dev->height; - - f->fmt.pix.width &= ~0x01; - - f->fmt.pix.field = field; - - 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; -} - -/*FIXME: This seems to be generic enough to be at videodev2 */ -static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, - struct v4l2_format *f) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - int ret = vidioc_try_fmt_vid_cap(file, fh, f); - if (ret < 0) - return ret; - - fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); - fh->width = f->fmt.pix.width; - fh->height = f->fmt.pix.height; - fh->vb_vidq.field = f->fmt.pix.field; - fh->type = f->type; - - dev->fourcc = f->fmt.pix.pixelformat; - - tm6000_set_fourcc_format(dev); - - return 0; -} - -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct tm6000_fh *fh = priv; - - return videobuf_reqbufs(&fh->vb_vidq, p); -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *p) -{ - struct tm6000_fh *fh = priv; - - return videobuf_querybuf(&fh->vb_vidq, p); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct tm6000_fh *fh = priv; - - return videobuf_qbuf(&fh->vb_vidq, p); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct tm6000_fh *fh = priv; - - return videobuf_dqbuf(&fh->vb_vidq, p, - file->f_flags & O_NONBLOCK); -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (i != fh->type) - return -EINVAL; - - if (!res_get(dev, fh, false)) - return -EBUSY; - return videobuf_streamon(&fh->vb_vidq); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - if (i != fh->type) - return -EINVAL; - - videobuf_streamoff(&fh->vb_vidq); - res_free(dev, fh); - - return 0; -} - -static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm) -{ - int rc = 0; - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - dev->norm = *norm; - rc = tm6000_init_analog_mode(dev); - - fh->width = dev->width; - fh->height = dev->height; - - if (rc < 0) - return rc; - - v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_std, dev->norm); - - return 0; -} - -static const char *iname[] = { - [TM6000_INPUT_TV] = "Television", - [TM6000_INPUT_COMPOSITE1] = "Composite 1", - [TM6000_INPUT_COMPOSITE2] = "Composite 2", - [TM6000_INPUT_SVIDEO] = "S-Video", -}; - -static int vidioc_enum_input(struct file *file, void *priv, - struct v4l2_input *i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - unsigned int n; - - n = i->index; - if (n >= 3) - return -EINVAL; - - if (!dev->vinput[n].type) - return -EINVAL; - - i->index = n; - - if (dev->vinput[n].type == TM6000_INPUT_TV) - i->type = V4L2_INPUT_TYPE_TUNER; - else - i->type = V4L2_INPUT_TYPE_CAMERA; - - strcpy(i->name, iname[dev->vinput[n].type]); - - i->std = TM6000_STD; - - return 0; -} - -static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - *i = dev->input; - - return 0; -} - -static int vidioc_s_input(struct file *file, void *priv, unsigned int i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - int rc = 0; - - if (i >= 3) - return -EINVAL; - if (!dev->vinput[i].type) - return -EINVAL; - - dev->input = i; - - rc = vidioc_s_std(file, priv, &dev->vfd->current_norm); - - return rc; -} - -/* --- controls ---------------------------------------------- */ -static int vidioc_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *qc) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) - if (qc->id && qc->id == tm6000_qctrl[i].id) { - memcpy(qc, &(tm6000_qctrl[i]), - sizeof(*qc)); - return 0; - } - - return -EINVAL; -} - -static int vidioc_g_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - int val; - - /* FIXME: Probably, those won't work! Maybe we need shadow regs */ - switch (ctrl->id) { - case V4L2_CID_CONTRAST: - val = tm6000_get_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, 0); - break; - case V4L2_CID_BRIGHTNESS: - val = tm6000_get_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, 0); - return 0; - case V4L2_CID_SATURATION: - val = tm6000_get_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, 0); - return 0; - case V4L2_CID_HUE: - val = tm6000_get_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, 0); - return 0; - case V4L2_CID_AUDIO_MUTE: - val = dev->ctl_mute; - return 0; - case V4L2_CID_AUDIO_VOLUME: - val = dev->ctl_volume; - return 0; - default: - return -EINVAL; - } - - if (val < 0) - return val; - - ctrl->value = val; - - return 0; -} -static int vidioc_s_ctrl(struct file *file, void *priv, - struct v4l2_control *ctrl) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - u8 val = ctrl->value; - - switch (ctrl->id) { - case V4L2_CID_CONTRAST: - tm6000_set_reg(dev, TM6010_REQ07_R08_LUMA_CONTRAST_ADJ, val); - return 0; - case V4L2_CID_BRIGHTNESS: - tm6000_set_reg(dev, TM6010_REQ07_R09_LUMA_BRIGHTNESS_ADJ, val); - return 0; - case V4L2_CID_SATURATION: - tm6000_set_reg(dev, TM6010_REQ07_R0A_CHROMA_SATURATION_ADJ, val); - return 0; - case V4L2_CID_HUE: - tm6000_set_reg(dev, TM6010_REQ07_R0B_CHROMA_HUE_PHASE_ADJ, val); - return 0; - case V4L2_CID_AUDIO_MUTE: - dev->ctl_mute = val; - tm6000_tvaudio_set_mute(dev, val); - return 0; - case V4L2_CID_AUDIO_VOLUME: - dev->ctl_volume = val; - tm6000_set_volume(dev, val); - return 0; - } - return -EINVAL; -} - -static int vidioc_g_tuner(struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->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->rxsubchans = V4L2_TUNER_SUB_STEREO; - - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); - - t->audmode = dev->amode; - - return 0; -} - -static int vidioc_s_tuner(struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (UNSET == dev->tuner_type) - return -EINVAL; - if (0 != t->index) - return -EINVAL; - - dev->amode = t->audmode; - dprintk(dev, 3, "audio mode: %x\n", t->audmode); - - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); - - return 0; -} - -static int vidioc_g_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (unlikely(UNSET == dev->tuner_type)) - return -EINVAL; - - f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV; - f->frequency = dev->freq; - - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, f); - - return 0; -} - -static int vidioc_s_frequency(struct file *file, void *priv, - struct v4l2_frequency *f) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (unlikely(UNSET == dev->tuner_type)) - return -EINVAL; - if (unlikely(f->tuner != 0)) - return -EINVAL; - if (0 == fh->radio && V4L2_TUNER_ANALOG_TV != f->type) - return -EINVAL; - if (1 == fh->radio && V4L2_TUNER_RADIO != f->type) - return -EINVAL; - - dev->freq = f->frequency; - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, f); - - return 0; -} - -static int radio_querycap(struct file *file, void *priv, - struct v4l2_capability *cap) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - - strcpy(cap->driver, "tm6000"); - strlcpy(cap->card, dev->name, sizeof(dev->name)); - sprintf(cap->bus_info, "USB%04x:%04x", - le16_to_cpu(dev->udev->descriptor.idVendor), - le16_to_cpu(dev->udev->descriptor.idProduct)); - cap->version = dev->dev_type; - cap->capabilities = V4L2_CAP_TUNER | - V4L2_CAP_AUDIO | - V4L2_CAP_RADIO | - V4L2_CAP_READWRITE | - V4L2_CAP_STREAMING; - - return 0; -} - -static int radio_g_tuner(struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - - if (0 != t->index) - return -EINVAL; - - memset(t, 0, sizeof(*t)); - strcpy(t->name, "Radio"); - t->type = V4L2_TUNER_RADIO; - t->rxsubchans = V4L2_TUNER_SUB_STEREO; - - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t); - - return 0; -} - -static int radio_s_tuner(struct file *file, void *priv, - struct v4l2_tuner *t) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - - if (0 != t->index) - return -EINVAL; - - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t); - - return 0; -} - -static int radio_enum_input(struct file *file, void *priv, - struct v4l2_input *i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (i->index != 0) - return -EINVAL; - - if (!dev->rinput.type) - return -EINVAL; - - strcpy(i->name, "Radio"); - i->type = V4L2_INPUT_TYPE_TUNER; - - return 0; -} - -static int radio_g_input(struct file *filp, void *priv, unsigned int *i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (dev->input != 5) - return -EINVAL; - - *i = dev->input - 5; - - return 0; -} - -static int radio_g_audio(struct file *file, void *priv, - struct v4l2_audio *a) -{ - memset(a, 0, sizeof(*a)); - strcpy(a->name, "Radio"); - return 0; -} - -static int radio_s_audio(struct file *file, void *priv, - struct v4l2_audio *a) -{ - return 0; -} - -static int radio_s_input(struct file *filp, void *priv, unsigned int i) -{ - struct tm6000_fh *fh = priv; - struct tm6000_core *dev = fh->dev; - - if (i) - return -EINVAL; - - if (!dev->rinput.type) - return -EINVAL; - - dev->input = i + 5; - - return 0; -} - -static int radio_s_std(struct file *file, void *fh, v4l2_std_id *norm) -{ - return 0; -} - -static int radio_queryctrl(struct file *file, void *priv, - struct v4l2_queryctrl *c) -{ - const struct v4l2_queryctrl *ctrl; - - if (c->id < V4L2_CID_BASE || - c->id >= V4L2_CID_LASTP1) - return -EINVAL; - if (c->id == V4L2_CID_AUDIO_MUTE) { - ctrl = ctrl_by_id(c->id); - *c = *ctrl; - } else - *c = no_ctrl; - - return 0; -} - -/* ------------------------------------------------------------------ - File operations for the device - ------------------------------------------------------------------*/ - -static int __tm6000_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct tm6000_core *dev = video_drvdata(file); - struct tm6000_fh *fh; - enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - int i, rc; - int radio = 0; - - dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: open called (dev=%s)\n", - video_device_node_name(vdev)); - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - break; - case VFL_TYPE_VBI: - type = V4L2_BUF_TYPE_VBI_CAPTURE; - break; - case VFL_TYPE_RADIO: - radio = 1; - break; - } - - /* If more than one user, mutex should be added */ - dev->users++; - - dprintk(dev, V4L2_DEBUG_OPEN, "open dev=%s type=%s users=%d\n", - video_device_node_name(vdev), v4l2_type_names[type], - dev->users); - - /* allocate + initialize per filehandle data */ - fh = kzalloc(sizeof(*fh), GFP_KERNEL); - if (NULL == fh) { - dev->users--; - return -ENOMEM; - } - - file->private_data = fh; - fh->dev = dev; - fh->radio = radio; - dev->radio = radio; - fh->type = type; - dev->fourcc = format[0].fourcc; - - fh->fmt = format_by_fourcc(dev->fourcc); - - tm6000_get_std_res(dev); - - fh->width = dev->width; - fh->height = dev->height; - - dprintk(dev, V4L2_DEBUG_OPEN, "Open: fh=0x%08lx, dev=0x%08lx, " - "dev->vidq=0x%08lx\n", - (unsigned long)fh, (unsigned long)dev, - (unsigned long)&dev->vidq); - dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " - "queued=%d\n", list_empty(&dev->vidq.queued)); - dprintk(dev, V4L2_DEBUG_OPEN, "Open: list_empty " - "active=%d\n", list_empty(&dev->vidq.active)); - - /* initialize hardware on analog mode */ - rc = tm6000_init_analog_mode(dev); - if (rc < 0) - return rc; - - if (dev->mode != TM6000_MODE_ANALOG) { - /* Put all controls at a sane state */ - for (i = 0; i < ARRAY_SIZE(tm6000_qctrl); i++) - qctl_regs[i] = tm6000_qctrl[i].default_value; - - dev->mode = TM6000_MODE_ANALOG; - } - - if (!fh->radio) { - videobuf_queue_vmalloc_init(&fh->vb_vidq, &tm6000_video_qops, - NULL, &dev->slock, - fh->type, - V4L2_FIELD_INTERLACED, - sizeof(struct tm6000_buffer), fh, &dev->lock); - } else { - dprintk(dev, V4L2_DEBUG_OPEN, "video_open: setting radio device\n"); - dev->input = 5; - tm6000_set_audio_rinput(dev); - v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_radio); - tm6000_prepare_isoc(dev); - tm6000_start_thread(dev); - } - - return 0; -} - -static int tm6000_open(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - int res; - - mutex_lock(vdev->lock); - res = __tm6000_open(file); - mutex_unlock(vdev->lock); - return res; -} - -static ssize_t -tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - int res; - - if (!res_get(fh->dev, fh, true)) - return -EBUSY; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - res = videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0, - file->f_flags & O_NONBLOCK); - mutex_unlock(&dev->lock); - return res; - } - return 0; -} - -static unsigned int -__tm6000_poll(struct file *file, struct poll_table_struct *wait) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_buffer *buf; - - if (V4L2_BUF_TYPE_VIDEO_CAPTURE != fh->type) - return POLLERR; - - if (!!is_res_streaming(fh->dev, fh)) - return POLLERR; - - if (!is_res_read(fh->dev, fh)) { - /* streaming capture */ - if (list_empty(&fh->vb_vidq.stream)) - return POLLERR; - buf = list_entry(fh->vb_vidq.stream.next, struct tm6000_buffer, vb.stream); - } else { - /* read() capture */ - return videobuf_poll_stream(file, &fh->vb_vidq, wait); - } - poll_wait(file, &buf->vb.done, wait); - if (buf->vb.state == VIDEOBUF_DONE || - buf->vb.state == VIDEOBUF_ERROR) - return POLLIN | POLLRDNORM; - return 0; -} - -static unsigned int tm6000_poll(struct file *file, struct poll_table_struct *wait) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - unsigned int res; - - mutex_lock(&dev->lock); - res = __tm6000_poll(file, wait); - mutex_unlock(&dev->lock); - return res; -} - -static int tm6000_release(struct file *file) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - struct video_device *vdev = video_devdata(file); - - dprintk(dev, V4L2_DEBUG_OPEN, "tm6000: close called (dev=%s, users=%d)\n", - video_device_node_name(vdev), dev->users); - - mutex_lock(&dev->lock); - dev->users--; - - res_free(dev, fh); - - if (!dev->users) { - tm6000_uninit_isoc(dev); - - /* Stop interrupt USB pipe */ - tm6000_ir_int_stop(dev); - - usb_reset_configuration(dev->udev); - - if (dev->int_in.endp) - usb_set_interface(dev->udev, - dev->isoc_in.bInterfaceNumber, 2); - else - usb_set_interface(dev->udev, - dev->isoc_in.bInterfaceNumber, 0); - - /* Start interrupt USB pipe */ - tm6000_ir_int_start(dev); - - if (!fh->radio) - videobuf_mmap_free(&fh->vb_vidq); - } - - kfree(fh); - mutex_unlock(&dev->lock); - - return 0; -} - -static int tm6000_mmap(struct file *file, struct vm_area_struct * vma) -{ - struct tm6000_fh *fh = file->private_data; - struct tm6000_core *dev = fh->dev; - int res; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - res = videobuf_mmap_mapper(&fh->vb_vidq, vma); - mutex_unlock(&dev->lock); - return res; -} - -static struct v4l2_file_operations tm6000_fops = { - .owner = THIS_MODULE, - .open = tm6000_open, - .release = tm6000_release, - .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ - .read = tm6000_read, - .poll = tm6000_poll, - .mmap = tm6000_mmap, -}; - -static const struct v4l2_ioctl_ops video_ioctl_ops = { - .vidioc_querycap = vidioc_querycap, - .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, - .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_s_std = vidioc_s_std, - .vidioc_enum_input = vidioc_enum_input, - .vidioc_g_input = vidioc_g_input, - .vidioc_s_input = vidioc_s_input, - .vidioc_queryctrl = vidioc_queryctrl, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_tuner = vidioc_g_tuner, - .vidioc_s_tuner = vidioc_s_tuner, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, -}; - -static struct video_device tm6000_template = { - .name = "tm6000", - .fops = &tm6000_fops, - .ioctl_ops = &video_ioctl_ops, - .release = video_device_release, - .tvnorms = TM6000_STD, - .current_norm = V4L2_STD_NTSC_M, -}; - -static const struct v4l2_file_operations radio_fops = { - .owner = THIS_MODULE, - .open = tm6000_open, - .release = tm6000_release, - .unlocked_ioctl = video_ioctl2, -}; - -static const struct v4l2_ioctl_ops radio_ioctl_ops = { - .vidioc_querycap = radio_querycap, - .vidioc_g_tuner = radio_g_tuner, - .vidioc_enum_input = radio_enum_input, - .vidioc_g_audio = radio_g_audio, - .vidioc_s_tuner = radio_s_tuner, - .vidioc_s_audio = radio_s_audio, - .vidioc_s_input = radio_s_input, - .vidioc_s_std = radio_s_std, - .vidioc_queryctrl = radio_queryctrl, - .vidioc_g_input = radio_g_input, - .vidioc_g_ctrl = vidioc_g_ctrl, - .vidioc_s_ctrl = vidioc_s_ctrl, - .vidioc_g_frequency = vidioc_g_frequency, - .vidioc_s_frequency = vidioc_s_frequency, -}; - -static struct video_device tm6000_radio_template = { - .name = "tm6000", - .fops = &radio_fops, - .ioctl_ops = &radio_ioctl_ops, -}; - -/* ----------------------------------------------------------------- - * Initialization and module stuff - * ------------------------------------------------------------------ - */ - -static struct video_device *vdev_init(struct tm6000_core *dev, - const struct video_device - *template, const char *type_name) -{ - struct video_device *vfd; - - vfd = video_device_alloc(); - if (NULL == vfd) - return NULL; - - *vfd = *template; - vfd->v4l2_dev = &dev->v4l2_dev; - vfd->release = video_device_release; - vfd->debug = tm6000_debug; - vfd->lock = &dev->lock; - - snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name); - - video_set_drvdata(vfd, dev); - return vfd; -} - -int tm6000_v4l2_register(struct tm6000_core *dev) -{ - int ret = -1; - - dev->vfd = vdev_init(dev, &tm6000_template, "video"); - - if (!dev->vfd) { - printk(KERN_INFO "%s: can't register video device\n", - dev->name); - return -ENOMEM; - } - - /* init video dma queues */ - INIT_LIST_HEAD(&dev->vidq.active); - INIT_LIST_HEAD(&dev->vidq.queued); - - ret = video_register_device(dev->vfd, VFL_TYPE_GRABBER, video_nr); - - if (ret < 0) { - printk(KERN_INFO "%s: can't register video device\n", - dev->name); - return ret; - } - - printk(KERN_INFO "%s: registered device %s\n", - dev->name, video_device_node_name(dev->vfd)); - - if (dev->caps.has_radio) { - dev->radio_dev = vdev_init(dev, &tm6000_radio_template, - "radio"); - if (!dev->radio_dev) { - printk(KERN_INFO "%s: can't register radio device\n", - dev->name); - return ret; /* FIXME release resource */ - } - - ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO, - radio_nr); - if (ret < 0) { - printk(KERN_INFO "%s: can't register radio device\n", - dev->name); - return ret; /* FIXME release resource */ - } - - printk(KERN_INFO "%s: registered device %s\n", - dev->name, video_device_node_name(dev->radio_dev)); - } - - printk(KERN_INFO "Trident TVMaster TM5600/TM6000/TM6010 USB2 board (Load status: %d)\n", ret); - return ret; -} - -int tm6000_v4l2_unregister(struct tm6000_core *dev) -{ - video_unregister_device(dev->vfd); - - if (dev->radio_dev) { - if (video_is_registered(dev->radio_dev)) - video_unregister_device(dev->radio_dev); - else - video_device_release(dev->radio_dev); - dev->radio_dev = NULL; - } - - return 0; -} - -int tm6000_v4l2_exit(void) -{ - return 0; -} - -module_param(video_nr, int, 0); -MODULE_PARM_DESC(video_nr, "Allow changing video device number"); - -module_param_named(debug, tm6000_debug, int, 0444); -MODULE_PARM_DESC(debug, "activates debug info"); - -module_param(vid_limit, int, 0644); -MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes"); - |