V4L/DVB (12828): tm6000: fixes several CodingStyle and do some cleanups
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
204193d959
commit
c4acf48cad
@ -33,9 +33,6 @@
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#include <linux/version.h>
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#include <linux/usb.h>
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#include <linux/videodev2.h>
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#ifdef CONFIG_VIDEO_V4L1_COMPAT
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#include <linux/videodev.h>
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#endif
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#include <linux/interrupt.h>
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#include <linux/kthread.h>
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#include <linux/highmem.h>
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@ -93,7 +90,7 @@ static struct v4l2_queryctrl tm6000_qctrl[] = {
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.minimum = -128,
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.maximum = 127,
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.step = 0x1,
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.default_value = 0, //4 ?
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.default_value = 0,
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.flags = 0,
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}
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};
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@ -105,11 +102,11 @@ static struct tm6000_fmt format[] = {
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.name = "4:2:2, packed, YVY2",
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.fourcc = V4L2_PIX_FMT_YUYV,
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.depth = 16,
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},{
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}, {
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.name = "4:2:2, packed, UYVY",
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.fourcc = V4L2_PIX_FMT_UYVY,
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.depth = 16,
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},{
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}, {
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.name = "A/V + VBI mux packet",
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.fourcc = V4L2_PIX_FMT_TM6000,
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.depth = 16,
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@ -125,20 +122,19 @@ static LIST_HEAD(tm6000_corelist);
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#define norm_maxw(a) 720
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#define norm_maxh(a) 576
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//#define norm_minw(a) norm_maxw(a)
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#define norm_minw(a) norm_maxw(a)
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#define norm_minh(a) norm_maxh(a)
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/*
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* video-buf generic routine to get the next available buffer
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*/
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static int inline get_next_buf (struct tm6000_dmaqueue *dma_q,
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struct tm6000_buffer **buf)
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static inline int get_next_buf(struct tm6000_dmaqueue *dma_q,
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struct tm6000_buffer **buf)
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{
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struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
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struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
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if (list_empty(&dma_q->active)) {
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dprintk(dev, V4L2_DEBUG_QUEUE,"No active queue to serve\n");
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dprintk(dev, V4L2_DEBUG_QUEUE, "No active queue to serve\n");
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return 0;
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}
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@ -151,9 +147,9 @@ static int inline get_next_buf (struct tm6000_dmaqueue *dma_q,
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/*
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* Announces that a buffer were filled and request the next
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*/
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static void inline buffer_filled (struct tm6000_core *dev,
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struct tm6000_dmaqueue *dma_q,
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struct tm6000_buffer *buf)
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static inline void buffer_filled(struct tm6000_core *dev,
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struct tm6000_dmaqueue *dma_q,
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struct tm6000_buffer *buf)
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{
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/* Nobody is waiting something to be done, just return */
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if (!waitqueue_active(&buf->vb.done)) {
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@ -166,7 +162,7 @@ static void inline buffer_filled (struct tm6000_core *dev,
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}
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/* Advice that buffer was filled */
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dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n",buf,buf->vb.i);
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dprintk(dev, V4L2_DEBUG_ISOC, "[%p/%d] wakeup\n", buf, buf->vb.i);
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buf->vb.state = VIDEOBUF_DONE;
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buf->vb.field_count++;
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do_gettimeofday(&buf->vb.ts);
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@ -175,72 +171,61 @@ static void inline buffer_filled (struct tm6000_core *dev,
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wake_up(&buf->vb.done);
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}
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/*
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* Macro to allow copying data into the proper memory type
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*/
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#define bufcpy(buf,out_ptr,in_ptr,size) \
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{ \
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if (__copy_to_user(out_ptr,in_ptr,size)!=0) \
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tm6000_err("copy_to_user failed.\n"); \
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}
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const char *tm6000_msg_type[]= {
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"unknown(0)", //0
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"video", //1
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"audio", //2
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"vbi", //3
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"pts", //4
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"err", //5
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"unknown(6)", //6
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"unknown(7)", //7
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const char *tm6000_msg_type[] = {
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"unknown(0)", /* 0 */
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"video", /* 1 */
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"audio", /* 2 */
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"vbi", /* 3 */
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"pts", /* 4 */
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"err", /* 5 */
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"unknown(6)", /* 6 */
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"unknown(7)", /* 7 */
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};
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/*
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* Identify the tm5600/6000 buffer header type and properly handles
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*/
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static int copy_packet (struct urb *urb, u32 header, u8 **ptr, u8 *endp,
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static int copy_packet(struct urb *urb, u32 header, u8 **ptr, u8 *endp,
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u8 *out_p, struct tm6000_buffer **buf)
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{
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struct tm6000_dmaqueue *dma_q = urb->context;
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struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
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struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
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u8 c;
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unsigned int cmd, cpysize, pktsize, size, field, block, line, pos=0;
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int rc=0;
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unsigned int cmd, cpysize, pktsize, size, field, block, line, pos = 0;
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int rc = 0;
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/* FIXME: move to tm6000-isoc */
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static int last_line=-2, start_line=-2, last_field=-2;
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static int last_line = -2, start_line = -2, last_field = -2;
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/* FIXME: this is the hardcoded window size
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*/
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unsigned int linewidth=(*buf)->vb.width<<1;
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unsigned int linewidth = (*buf)->vb.width << 1;
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c=(header>>24) & 0xff;
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c = (header >> 24) & 0xff;
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/* split the header fields */
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size = (((header & 0x7e)<<1) -1) *4;
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block = (header>>7) & 0xf;
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field = (header>>11) & 0x1;
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line = (header>>12) & 0x1ff;
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cmd = (header>>21) & 0x7;
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size = (((header & 0x7e) << 1) - 1) * 4;
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block = (header >> 7) & 0xf;
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field = (header >> 11) & 0x1;
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line = (header >> 12) & 0x1ff;
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cmd = (header >> 21) & 0x7;
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/* Validates header fields */
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if(size>TM6000_URB_MSG_LEN)
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if (size > TM6000_URB_MSG_LEN)
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size = TM6000_URB_MSG_LEN;
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if (cmd == TM6000_URB_MSG_VIDEO) {
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if ((block+1)*TM6000_URB_MSG_LEN>linewidth)
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if ((block + 1) * TM6000_URB_MSG_LEN > linewidth)
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cmd = TM6000_URB_MSG_ERR;
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/* FIXME: Mounts the image as field0+field1
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* It should, instead, check if the user selected
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* entrelaced or non-entrelaced mode
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*/
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pos= ((line<<1)+field)*linewidth +
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block*TM6000_URB_MSG_LEN;
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pos = ((line << 1) + field) * linewidth +
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block * TM6000_URB_MSG_LEN;
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/* Don't allow to write out of the buffer */
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if (pos+TM6000_URB_MSG_LEN > (*buf)->vb.size) {
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if (pos + TM6000_URB_MSG_LEN > (*buf)->vb.size) {
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dprintk(dev, V4L2_DEBUG_ISOC,
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"ERR: size=%d, num=%d, line=%d, "
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"field=%d\n",
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@ -249,7 +234,7 @@ static int copy_packet (struct urb *urb, u32 header, u8 **ptr, u8 *endp,
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cmd = TM6000_URB_MSG_ERR;
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}
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} else {
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pos=0;
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pos = 0;
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}
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/* Prints debug info */
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@ -273,60 +258,59 @@ static int copy_packet (struct urb *urb, u32 header, u8 **ptr, u8 *endp,
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}
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dev->isoc_ctl.last_line = line;
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if ((last_line!=line)&&(last_line+1!=line) &&
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(cmd != TM6000_URB_MSG_ERR) ) {
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if ((last_line != line) && (last_line + 1 != line) &&
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(cmd != TM6000_URB_MSG_ERR)) {
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if (cmd != TM6000_URB_MSG_VIDEO) {
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dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%d, "
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"size=%d, num=%d, line=%d, field=%d\n",
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cmd, size, block, line, field);
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}
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if (start_line<0)
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start_line=last_line;
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if (start_line < 0)
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start_line = last_line;
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/* Prints debug info */
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dprintk(dev, V4L2_DEBUG_ISOC, "lines= %d-%d, "
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"field=%d\n",
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start_line, last_line, field);
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if ((start_line<6 && last_line>200) &&
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(last_field != field) ) {
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if ((start_line < 6 && last_line > 200) &&
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(last_field != field)) {
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dev->isoc_ctl.nfields++;
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if (dev->isoc_ctl.nfields>=2) {
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dev->isoc_ctl.nfields=0;
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}
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if (dev->isoc_ctl.nfields >= 2)
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dev->isoc_ctl.nfields = 0;
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}
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start_line=line;
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last_field=field;
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start_line = line;
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last_field = field;
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}
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last_line=line;
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last_line = line;
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pktsize = TM6000_URB_MSG_LEN;
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cpysize=(endp-(*ptr)>size)?size:endp-(*ptr);
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cpysize = (endp-(*ptr) > size) ? size : endp - *ptr;
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if (cpysize) {
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/* handles each different URB message */
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switch(cmd) {
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switch (cmd) {
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case TM6000_URB_MSG_VIDEO:
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/* Fills video buffer */
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if (__copy_to_user(&out_p[pos],*ptr,cpysize)!=0)
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if (__copy_to_user(&out_p[pos], *ptr, cpysize) != 0)
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tm6000_err("copy_to_user failed.\n");
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break;
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case TM6000_URB_MSG_PTS:
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break;
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case TM6000_URB_MSG_AUDIO:
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/* Need some code to process audio */
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printk ("%ld: cmd=%s, size=%d\n", jiffies,
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tm6000_msg_type[cmd],size);
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/* Need some code to process audio */
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printk(KERN_INFO "%ld: cmd=%s, size=%d\n", jiffies,
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tm6000_msg_type[cmd], size);
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break;
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default:
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dprintk (dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n",
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tm6000_msg_type[cmd],size);
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dprintk(dev, V4L2_DEBUG_ISOC, "cmd=%s, size=%d\n",
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tm6000_msg_type[cmd], size);
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}
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}
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(*ptr)+=cpysize;
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(*ptr) += cpysize;
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return rc;
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}
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@ -335,10 +319,10 @@ static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
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struct urb *urb, struct tm6000_buffer **buf)
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{
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struct tm6000_dmaqueue *dma_q = urb->context;
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struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
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struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
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u8 *ptr, *endp;
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unsigned long header=0;
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int rc=0, size;
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unsigned long header = 0;
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int rc = 0, size;
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/* Process pending data */
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if (dev->isoc_ctl.pending) {
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@ -347,26 +331,26 @@ static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
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/* Seek for sync */
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endp = dev->isoc_ctl.tbuf + sizeof(dev->isoc_ctl.tbuf);
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for (ptr = dev->isoc_ctl.tbuf;ptr < endp - 3;ptr++) {
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for (ptr = dev->isoc_ctl.tbuf; ptr < endp - 3; ptr++) {
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if (*(ptr + 3) == 0x47)
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break;
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}
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header=*(unsigned long *)ptr;
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size = (((header & 0x7e) << 1) - 1) * 4;
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if(size > TM6000_URB_MSG_LEN)
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header = *(unsigned long *)ptr;
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size = (((header & 0x7e) << 1) - 1) * 4;
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if (size > TM6000_URB_MSG_LEN)
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size = TM6000_URB_MSG_LEN;
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if (ptr+3+size >= endp) {
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if (ptr + 3 + size >= endp) {
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printk(KERN_ERR "tm6000: broken data\n");
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ptr = data;
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goto process_new_uri;
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}
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ptr+=4;
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ptr += 4;
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/* Copy or continue last copy */
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rc=copy_packet(urb, header, &ptr, endp, out_p, buf);
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if (rc<0) {
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buf=NULL;
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rc = copy_packet(urb, header, &ptr, endp, out_p, buf);
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if (rc < 0) {
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buf = NULL;
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printk(KERN_ERR "tm6000: buffer underrun at %ld\n",
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jiffies);
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return rc;
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@ -378,33 +362,33 @@ static int copy_streams(u8 *data, u8 *out_p, unsigned long len,
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process_new_uri:
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endp = data + len;
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while (ptr<endp) {
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while (ptr < endp) {
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if (!dev->isoc_ctl.pending) {
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/* Seek for sync */
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for (;ptr<endp-3;ptr++) {
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if (*(ptr+3)==0x47)
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for (; ptr < endp - 3; ptr++) {
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if (*(ptr + 3) == 0x47)
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break;
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}
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header=*(unsigned long *)ptr;
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size = (((header & 0x7e)<<1) -1) *4;
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if(size>TM6000_URB_MSG_LEN)
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header = *(unsigned long *)ptr;
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size = (((header & 0x7e) << 1) - 1) * 4;
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if (size > TM6000_URB_MSG_LEN)
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size = TM6000_URB_MSG_LEN;
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if (ptr+3+size >= endp) {
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if (ptr + 3 + size >= endp) {
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int len = endp - ptr;
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memcpy (dev->isoc_ctl.tbuf, ptr, len);
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memcpy(dev->isoc_ctl.tbuf, ptr, len);
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dev->isoc_ctl.len = len;
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dev->isoc_ctl.pending = 1;
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return rc;
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}
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ptr+=4;
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ptr += 4;
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}
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/* Copy or continue last copy */
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rc=copy_packet(urb, header, &ptr, endp, out_p, buf);
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if (rc<0) {
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buf=NULL;
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rc = copy_packet(urb, header, &ptr, endp, out_p, buf);
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if (rc < 0) {
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buf = NULL;
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printk(KERN_ERR "tm6000: buffer underrun at %ld\n",
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jiffies);
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return rc;
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@ -420,40 +404,42 @@ static int copy_multiplexed(u8 *ptr, u8 *out_p, unsigned long len,
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struct urb *urb, struct tm6000_buffer **buf)
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{
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struct tm6000_dmaqueue *dma_q = urb->context;
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struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
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unsigned int pos=dev->isoc_ctl.pos,cpysize;
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int rc=1;
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struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
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unsigned int pos = dev->isoc_ctl.pos, cpysize;
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int rc = 1;
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while (len>0) {
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cpysize=min(len,(*buf)->vb.size-pos);
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//printk("Copying %d bytes (max=%lu) from %p to %p[%u]\n",cpysize,(*buf)->vb.size,ptr,out_p,pos);
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bufcpy(*buf,&out_p[pos],ptr,cpysize);
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pos+=cpysize;
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ptr+=cpysize;
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len-=cpysize;
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while (len > 0) {
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cpysize = min(len, (*buf)->vb.size-pos);
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if (__copy_to_user(&out_p[pos], ptr, cpysize) != 0)
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tm6000_err("copy_to_user failed.\n");
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pos += cpysize;
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ptr += cpysize;
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len -= cpysize;
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if (pos >= (*buf)->vb.size) {
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pos=0;
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pos = 0;
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/* Announces that a new buffer were filled */
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buffer_filled (dev, dma_q, *buf);
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buffer_filled(dev, dma_q, *buf);
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dprintk(dev, V4L2_DEBUG_ISOC, "new buffer filled\n");
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rc=get_next_buf (dma_q, buf);
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if (rc<=0) {
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*buf=NULL;
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rc = get_next_buf(dma_q, buf);
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if (rc <= 0) {
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*buf = NULL;
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break;
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}
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}
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}
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dev->isoc_ctl.pos=pos;
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dev->isoc_ctl.pos = pos;
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return rc;
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}
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static void inline print_err_status (struct tm6000_core *dev,
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int packet, int status)
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static inline void print_err_status(struct tm6000_core *dev,
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int packet, int status)
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{
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char *errmsg = "Unknown";
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switch(status) {
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switch (status) {
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case -ENOENT:
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errmsg = "unlinked synchronuously";
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break;
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@ -479,11 +465,12 @@ static void inline print_err_status (struct tm6000_core *dev,
|
||||
errmsg = "Device does not respond";
|
||||
break;
|
||||
}
|
||||
if (packet<0) {
|
||||
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",
|
||||
dprintk(dev, V4L2_DEBUG_QUEUE,
|
||||
"URB packet %d, status %d [%s].\n",
|
||||
packet, status, errmsg);
|
||||
}
|
||||
}
|
||||
@ -495,45 +482,40 @@ static void inline print_err_status (struct tm6000_core *dev,
|
||||
static inline int tm6000_isoc_copy(struct urb *urb, struct tm6000_buffer **buf)
|
||||
{
|
||||
struct tm6000_dmaqueue *dma_q = urb->context;
|
||||
struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
|
||||
void *outp=videobuf_to_vmalloc (&((*buf)->vb));
|
||||
int i, len=0, rc=1;
|
||||
int size=(*buf)->vb.size;
|
||||
struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
|
||||
void *outp = videobuf_to_vmalloc(&((*buf)->vb));
|
||||
int i, len = 0, rc = 1;
|
||||
int size = (*buf)->vb.size;
|
||||
char *p;
|
||||
unsigned long copied;
|
||||
unsigned long copied = 0;
|
||||
|
||||
copied=0;
|
||||
|
||||
if (urb->status<0) {
|
||||
print_err_status (dev,-1,urb->status);
|
||||
if (urb->status < 0) {
|
||||
print_err_status(dev, -1, urb->status);
|
||||
return 0;
|
||||
}
|
||||
|
||||
for (i = 0; i < urb->number_of_packets; i++) {
|
||||
int status = urb->iso_frame_desc[i].status;
|
||||
|
||||
if (status<0) {
|
||||
print_err_status (dev,i,status);
|
||||
if (status < 0) {
|
||||
print_err_status(dev, i, status);
|
||||
continue;
|
||||
}
|
||||
|
||||
len=urb->iso_frame_desc[i].actual_length;
|
||||
len = urb->iso_frame_desc[i].actual_length;
|
||||
|
||||
// if (len>=TM6000_URB_MSG_LEN) {
|
||||
p=urb->transfer_buffer + urb->iso_frame_desc[i].offset;
|
||||
if (!urb->iso_frame_desc[i].status) {
|
||||
if (((*buf)->fmt->fourcc)==V4L2_PIX_FMT_TM6000) {
|
||||
rc=copy_multiplexed(p,outp,len,urb,buf);
|
||||
if (rc<=0)
|
||||
return rc;
|
||||
} else {
|
||||
copy_streams(p,outp,len,urb,buf);
|
||||
}
|
||||
}
|
||||
copied += len;
|
||||
if (copied>=size)
|
||||
break;
|
||||
// }
|
||||
p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
|
||||
if (!urb->iso_frame_desc[i].status) {
|
||||
if (((*buf)->fmt->fourcc) == V4L2_PIX_FMT_TM6000) {
|
||||
rc = copy_multiplexed(p, outp, len, urb, buf);
|
||||
if (rc <= 0)
|
||||
return rc;
|
||||
} else
|
||||
copy_streams(p, outp, len, urb, buf);
|
||||
}
|
||||
copied += len;
|
||||
if (copied >= size)
|
||||
break;
|
||||
}
|
||||
return rc;
|
||||
}
|
||||
@ -549,43 +531,41 @@ static void tm6000_irq_callback(struct urb *urb)
|
||||
{
|
||||
struct tm6000_buffer *buf;
|
||||
struct tm6000_dmaqueue *dma_q = urb->context;
|
||||
struct tm6000_core *dev= container_of(dma_q,struct tm6000_core,vidq);
|
||||
int rc,i;
|
||||
struct tm6000_core *dev = container_of(dma_q, struct tm6000_core, vidq);
|
||||
int rc, i;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&dev->slock,flags);
|
||||
spin_lock_irqsave(&dev->slock, flags);
|
||||
|
||||
buf=dev->isoc_ctl.buf;
|
||||
buf = dev->isoc_ctl.buf;
|
||||
|
||||
if (!buf) {
|
||||
rc=get_next_buf (dma_q, &buf);
|
||||
if (rc<=0)
|
||||
rc = get_next_buf(dma_q, &buf);
|
||||
if (rc <= 0)
|
||||
goto ret;
|
||||
}
|
||||
|
||||
/* Copy data from URB */
|
||||
rc=tm6000_isoc_copy(urb, &buf);
|
||||
rc = tm6000_isoc_copy(urb, &buf);
|
||||
|
||||
dev->isoc_ctl.buf=buf;
|
||||
dev->isoc_ctl.buf = buf;
|
||||
ret:
|
||||
/* 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 = 0;
|
||||
|
||||
if ((urb->status = usb_submit_urb(urb, GFP_ATOMIC))) {
|
||||
urb->status = usb_submit_urb(urb, GFP_ATOMIC);
|
||||
if (urb->status)
|
||||
tm6000_err("urb resubmit failed (error=%i)\n",
|
||||
urb->status);
|
||||
}
|
||||
|
||||
if (rc>=0) {
|
||||
/* Data filled, reset watchdog */
|
||||
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
|
||||
// }
|
||||
}
|
||||
spin_unlock_irqrestore(&dev->slock,flags);
|
||||
/* Data filled, reset watchdog */
|
||||
if (rc >= 0)
|
||||
mod_timer(&dma_q->timeout, jiffies+BUFFER_TIMEOUT);
|
||||
|
||||
spin_unlock_irqrestore(&dev->slock, flags);
|
||||
}
|
||||
|
||||
/*
|
||||
@ -641,7 +621,7 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev,
|
||||
int max_packets, int num_bufs)
|
||||
{
|
||||
struct tm6000_dmaqueue *dma_q = &dev->vidq;
|
||||
int i, rc;
|
||||
int i;
|
||||
int sb_size, pipe;
|
||||
struct urb *urb;
|
||||
int j, k;
|
||||
@ -700,7 +680,6 @@ static int tm6000_prepare_isoc(struct tm6000_core *dev,
|
||||
}
|
||||
memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size);
|
||||
|
||||
|
||||
pipe=usb_rcvisocpipe(dev->udev,
|
||||
dev->isoc_in->desc.bEndpointAddress &
|
||||
USB_ENDPOINT_NUMBER_MASK);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user