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authorMauro Carvalho Chehab <mchehab@redhat.com>2011-09-23 09:30:01 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-09-23 09:32:35 -0300
commitbe304970850806abea880da95fbfb743a4d9f87d (patch)
treebd926b64bac6198dc05f07611025f56b1246e3ce /drivers/staging/tm6000/tm6000-video.c
parent45dbf0db5ac974fb699fec39330d01642dff98dc (diff)
[media] move tm6000 to drivers/media/video
The serious bugs got fixed already. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/tm6000/tm6000-video.c')
-rw-r--r--drivers/staging/tm6000/tm6000-video.c1813
1 files changed, 0 insertions, 1813 deletions
diff --git a/drivers/staging/tm6000/tm6000-video.c b/drivers/staging/tm6000/tm6000-video.c
deleted file mode 100644
index 1e5ace0b5d1..00000000000
--- a/drivers/staging/tm6000/tm6000-video.c
+++ /dev/null
@@ -1,1813 +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);
- char *outp;
-
- 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);
-
- /* Cleans up buffer - Useful for testing for frame/URB loss */
- outp = videobuf_to_vmalloc(&(*buf)->vb);
-
- return;
-}
-
-/*
- * 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, c;
- 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 */
- c = (header >> 24) & 0xff;
- 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->version = TM6000_VERSION;
- 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 ssize_t
-tm6000_read(struct file *file, char __user *data, size_t count, loff_t *pos)
-{
- struct tm6000_fh *fh = file->private_data;
-
- if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
- if (!res_get(fh->dev, fh, true))
- return -EBUSY;
-
- return videobuf_read_stream(&fh->vb_vidq, data, count, pos, 0,
- file->f_flags & O_NONBLOCK);
- }
- 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 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);
-
- dev->users--;
-
- res_free(dev, fh);
-
- if (!dev->users) {
- int err;
-
- tm6000_uninit_isoc(dev);
-
- if (!fh->radio)
- videobuf_mmap_free(&fh->vb_vidq);
-
- err = tm6000_reset(dev);
- if (err < 0)
- dev_err(&vdev->dev, "reset failed: %d\n", err);
- }
-
- kfree(fh);
-
- return 0;
-}
-
-static int tm6000_mmap(struct file *file, struct vm_area_struct * vma)
-{
- struct tm6000_fh *fh = file->private_data;
-
- return videobuf_mmap_mapper(&fh->vb_vidq, vma);
-}
-
-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");
-