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path: root/drivers/media/video/usbvision/usbvision-core.c
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Diffstat (limited to 'drivers/media/video/usbvision/usbvision-core.c')
-rw-r--r--drivers/media/video/usbvision/usbvision-core.c222
1 files changed, 111 insertions, 111 deletions
diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 372e21b35ed3..64a913323181 100644
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -103,10 +103,10 @@ static const int min_imgheight = MIN_FRAME_HEIGHT;
* to work with. This setting can be adjusted, but the default value
* should be OK for most desktop users.
*/
-#define DEFAULT_SCRATCH_BUF_SIZE (0x20000) // 128kB memory scratch buffer
+#define DEFAULT_SCRATCH_BUF_SIZE (0x20000) /* 128kB memory scratch buffer */
static const int scratch_buf_size = DEFAULT_SCRATCH_BUF_SIZE;
-// Function prototypes
+/* Function prototypes */
static int usbvision_request_intra (struct usb_usbvision *usbvision);
static int usbvision_unrequest_intra (struct usb_usbvision *usbvision);
static int usbvision_adjust_compression (struct usb_usbvision *usbvision);
@@ -183,7 +183,7 @@ static void usbvision_hexdump(const unsigned char *data, int len)
/********************************
* scratch ring buffer handling
********************************/
-static int scratch_len(struct usb_usbvision *usbvision) /*This returns the amount of data actually in the buffer */
+static int scratch_len(struct usb_usbvision *usbvision) /* This returns the amount of data actually in the buffer */
{
int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr;
if (len < 0) {
@@ -287,7 +287,7 @@ static void scratch_set_extra_ptr(struct usb_usbvision *usbvision, int *ptr,
}
-/*This increments the scratch extra read pointer */
+/* This increments the scratch extra read pointer */
static void scratch_inc_extra_ptr(int *ptr, int len)
{
*ptr = (*ptr + len) % scratch_buf_size;
@@ -352,7 +352,7 @@ static int scratch_get_header(struct usb_usbvision *usbvision,
}
-/*This removes len bytes of old data from the buffer */
+/* This removes len bytes of old data from the buffer */
static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
{
@@ -362,7 +362,7 @@ static void scratch_rm_old(struct usb_usbvision *usbvision, int len)
}
-/*This resets the buffer - kills all data in it too */
+/* This resets the buffer - kills all data in it too */
static void scratch_reset(struct usb_usbvision *usbvision)
{
PDEBUG(DBG_SCRATCH, "\n");
@@ -525,7 +525,7 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
frame = usbvision->cur_frame;
while (scratch_get_header(usbvision, &frame->isoc_header) == USBVISION_HEADER_LENGTH) {
- // found header in scratch
+ /* found header in scratch */
PDEBUG(DBG_HEADER, "found header: 0x%02x%02x %d %d %d %d %#x 0x%02x %u %u",
frame->isoc_header.magic_2,
frame->isoc_header.magic_1,
@@ -541,7 +541,7 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
if (usbvision->request_intra) {
if (frame->isoc_header.format_param & 0x80) {
found_header = 1;
- usbvision->last_isoc_frame_num = -1; // do not check for lost frames this time
+ usbvision->last_isoc_frame_num = -1; /* do not check for lost frames this time */
usbvision_unrequest_intra(usbvision);
break;
}
@@ -557,18 +557,18 @@ static enum parse_state usbvision_find_header(struct usb_usbvision *usbvision)
frame->frmheight = frame->isoc_header.frame_height * usbvision->stretch_height;
frame->v4l2_linesize = (frame->frmwidth * frame->v4l2_format.depth)>> 3;
}
- else { // no header found
+ else { /* no header found */
PDEBUG(DBG_HEADER, "skipping scratch data, no header");
scratch_reset(usbvision);
return parse_state_end_parse;
}
- // found header
+ /* found header */
if (frame->isoc_header.data_format==ISOC_MODE_COMPRESS) {
- //check isoc_header.frame_num for lost frames
+ /* check isoc_header.frame_num for lost frames */
if (usbvision->last_isoc_frame_num >= 0) {
if (((usbvision->last_isoc_frame_num + 1) % 32) != frame->isoc_header.frame_num) {
- // unexpected frame drop: need to request new intra frame
+ /* unexpected frame drop: need to request new intra frame */
PDEBUG(DBG_HEADER, "Lost frame before %d on USB", frame->isoc_header.frame_num);
usbvision_request_intra(usbvision);
return parse_state_next_frame;
@@ -594,8 +594,8 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
unsigned char *f;
int len;
int i;
- unsigned char yuyv[4]={180, 128, 10, 128}; // YUV components
- unsigned char rv, gv, bv; // RGB components
+ unsigned char yuyv[4]={180, 128, 10, 128}; /* YUV components */
+ unsigned char rv, gv, bv; /* RGB components */
int clipmask_index, bytes_per_pixel;
int stretch_bytes, clipmask_add;
@@ -623,8 +623,8 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
scratch_get(usbvision, &yuyv[0], 4);
if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
- *f++ = yuyv[0]; // Y
- *f++ = yuyv[3]; // U
+ *f++ = yuyv[0]; /* Y */
+ *f++ = yuyv[3]; /* U */
}
else {
@@ -659,8 +659,8 @@ static enum parse_state usbvision_parse_lines_422(struct usb_usbvision *usbvisio
f += stretch_bytes;
if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV) {
- *f++ = yuyv[2]; // Y
- *f++ = yuyv[1]; // V
+ *f++ = yuyv[2]; /* Y */
+ *f++ = yuyv[1]; /* V */
}
else {
@@ -717,7 +717,7 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
integrator = 0;
pos = *start_pos;
block_type_pos = *block_typestart_pos;
- max_pos = 396; //pos + len;
+ max_pos = 396; /* pos + len; */
extra_pos = pos;
block_len = 0;
block_byte = 0;
@@ -737,7 +737,7 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
}
block_type = (block_type_byte & 0xC0) >> 6;
- //statistic:
+ /* statistic: */
usbvision->compr_block_types[block_type]++;
pos = extra_pos;
@@ -769,7 +769,7 @@ static int usbvision_decompress(struct usb_usbvision *usbvision,unsigned char *c
block_byte = compressed[pos];
pos++;
}
- if (block_type == 1) { //inter Block
+ if (block_type == 1) { /* inter Block */
integrator = decompressed[idx];
}
switch (block_byte & 0xC0) {
@@ -823,14 +823,14 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
frame = usbvision->cur_frame;
image_size = frame->frmwidth * frame->frmheight;
if ( (frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) ||
- (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) ) { // this is a planar format
- //... v4l2_linesize not used here.
+ (frame->v4l2_format.format == V4L2_PIX_FMT_YVU420) ) { /* this is a planar format */
+ /* ... v4l2_linesize not used here. */
f = frame->data + (frame->width * frame->curline);
} else
f = frame->data + (frame->v4l2_linesize * frame->curline);
- if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV){ //initialise u and v pointers
- // get base of u and b planes add halfoffset
+ if (frame->v4l2_format.format == V4L2_PIX_FMT_YUYV){ /* initialise u and v pointers */
+ /* get base of u and b planes add halfoffset */
u = frame->data
+ image_size
@@ -851,31 +851,31 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
return parse_state_out;
}
- //get strip header without changing the scratch_read_ptr
+ /* get strip header without changing the scratch_read_ptr */
scratch_set_extra_ptr(usbvision, &strip_ptr, 0);
scratch_get_extra(usbvision, &strip_header[0], &strip_ptr,
USBVISION_STRIP_HEADER_LEN);
if (strip_header[0] != USBVISION_STRIP_MAGIC) {
- // wrong strip magic
+ /* wrong strip magic */
usbvision->strip_magic_errors++;
return parse_state_next_frame;
}
if (frame->curline != (int)strip_header[2]) {
- //line number missmatch error
+ /* line number missmatch error */
usbvision->strip_line_number_errors++;
}
strip_len = 2 * (unsigned int)strip_header[1];
if (strip_len > USBVISION_STRIP_LEN_MAX) {
- // strip overrun
- // I think this never happens
+ /* strip overrun */
+ /* I think this never happens */
usbvision_request_intra(usbvision);
}
if (scratch_len(usbvision) < strip_len) {
- //there is not enough data for the strip
+ /* there is not enough data for the strip */
return parse_state_out;
}
@@ -901,7 +901,7 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
usbvision->block_pos = block_pos;
if ((rc = usbvision_decompress(usbvision, strip_data, Y, &block_pos, &block_type_pos, idx_end)) != idx_end) {
- //return parse_state_continue;
+ /* return parse_state_continue; */
}
if (strip_len > usbvision->max_strip_len) {
usbvision->max_strip_len = strip_len;
@@ -909,12 +909,12 @@ static enum parse_state usbvision_parse_compress(struct usb_usbvision *usbvision
if (frame->curline%2) {
if ((rc = usbvision_decompress(usbvision, strip_data, V, &block_pos, &block_type_pos, idx_end/2)) != idx_end/2) {
- //return parse_state_continue;
+ /* return parse_state_continue; */
}
}
else {
if ((rc = usbvision_decompress(usbvision, strip_data, U, &block_pos, &block_type_pos, idx_end/2)) != idx_end/2) {
- //return parse_state_continue;
+ /* return parse_state_continue; */
}
}
@@ -1043,7 +1043,7 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
pixel_per_line = frame->isoc_header.frame_width;
if (scratch_len(usbvision) < (int)pixel_per_line * 3) {
- //printk(KERN_DEBUG "out of data, need %d\n", len);
+ /* printk(KERN_DEBUG "out of data, need %d\n", len); */
return parse_state_out;
}
@@ -1051,7 +1051,7 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
return parse_state_next_frame;
}
- block_split = (pixel_per_line%y_block_size) ? 1 : 0; //are some blocks splitted into different lines?
+ block_split = (pixel_per_line%y_block_size) ? 1 : 0; /* are some blocks splitted into different lines? */
y_odd_offset = (pixel_per_line / y_block_size) * (y_block_size + uv_block_size)
+ block_split * uv_block_size;
@@ -1070,7 +1070,7 @@ static enum parse_state usbvision_parse_lines_420(struct usb_usbvision *usbvisio
scratch_get_extra(usbvision, &u, &u_ptr, 1);
scratch_get_extra(usbvision, &v, &v_ptr, 1);
- //I don't use the YUV_TO_RGB macro for better performance
+ /* I don't use the YUV_TO_RGB macro for better performance */
v_ = v - 128;
u_ = u - 128;
vb = 132252 * v_;
@@ -1370,7 +1370,7 @@ static int usbvision_compress_isochronous(struct usb_usbvision *usbvision,
packet_data = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
/* Detect and ignore errored packets */
- if (packet_stat) { // packet_stat != 0 ?????????????
+ if (packet_stat) { /* packet_stat != 0 ????????????? */
PDEBUG(DBG_ISOC, "data error: [%d] len=%d, status=%X", i, packet_len, packet_stat);
usbvision->isoc_err_count++;
continue;
@@ -1396,7 +1396,7 @@ static int usbvision_compress_isochronous(struct usb_usbvision *usbvision,
PDEBUG(DBG_ISOC, "packet ok [%d] len=%d", i, packet_len);
- if (usbvision->isocstate==isoc_state_no_frame) { //new frame begins
+ if (usbvision->isocstate==isoc_state_no_frame) { /* new frame begins */
usbvision->isocstate=isoc_state_in_frame;
scratch_mark_header(usbvision);
usbvision_measure_bandwidth(usbvision);
@@ -1488,7 +1488,7 @@ static void usbvision_isoc_irq(struct urb *urb)
usbvision_parse_data(usbvision);
}
else {
- /*If we don't have a frame
+ /* If we don't have a frame
we're current working on, complain */
PDEBUG(DBG_IRQ,
"received data, but no one needs it");
@@ -1623,7 +1623,7 @@ static int usbvision_write_reg_irq(struct usb_usbvision *usbvision,int address,
err_code = usb_submit_urb(usbvision->ctrl_urb, GFP_ATOMIC);
if (err_code < 0) {
- // error in usb_submit_urb()
+ /* error in usb_submit_urb() */
usbvision->ctrl_urb_busy = 0;
}
PDEBUG(DBG_IRQ, "submit %d byte: error %d", len, err_code);
@@ -1656,7 +1656,7 @@ static int usbvision_measure_bandwidth (struct usb_usbvision *usbvision)
{
int err_code = 0;
- if (usbvision->isoc_measure_bandwidth_count < 2) { // this gives an average bandwidth of 3 frames
+ if (usbvision->isoc_measure_bandwidth_count < 2) { /* this gives an average bandwidth of 3 frames */
usbvision->isoc_measure_bandwidth_count++;
return err_code;
}
@@ -1684,24 +1684,24 @@ static int usbvision_adjust_compression (struct usb_usbvision *usbvision)
if (usbvision->compr_level != usbvision->last_compr_level) {
int distorsion;
if (usbvision->bridge_type == BRIDGE_NT1004 || usbvision->bridge_type == BRIDGE_NT1005) {
- buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); // PCM Threshold 1
- buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); // PCM Threshold 2
+ buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); /* PCM Threshold 1 */
+ buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); /* PCM Threshold 2 */
distorsion = 7 + 248 * usbvision->compr_level / 100;
- buffer[2] = (unsigned char)(distorsion & 0xFF); // Average distorsion Threshold (inter)
- buffer[3] = (unsigned char)(distorsion & 0xFF); // Average distorsion Threshold (intra)
+ buffer[2] = (unsigned char)(distorsion & 0xFF); /* Average distorsion Threshold (inter) */
+ buffer[3] = (unsigned char)(distorsion & 0xFF); /* Average distorsion Threshold (intra) */
distorsion = 1 + 42 * usbvision->compr_level / 100;
- buffer[4] = (unsigned char)(distorsion & 0xFF); // Maximum distorsion Threshold (inter)
- buffer[5] = (unsigned char)(distorsion & 0xFF); // Maximum distorsion Threshold (intra)
+ buffer[4] = (unsigned char)(distorsion & 0xFF); /* Maximum distorsion Threshold (inter) */
+ buffer[5] = (unsigned char)(distorsion & 0xFF); /* Maximum distorsion Threshold (intra) */
}
- else { //BRIDGE_NT1003
- buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); // PCM threshold 1
- buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); // PCM threshold 2
+ else { /* BRIDGE_NT1003 */
+ buffer[0] = (unsigned char)(4 + 16 * usbvision->compr_level / 100); /* PCM threshold 1 */
+ buffer[1] = (unsigned char)(4 + 8 * usbvision->compr_level / 100); /* PCM threshold 2 */
distorsion = 2 + 253 * usbvision->compr_level / 100;
- buffer[2] = (unsigned char)(distorsion & 0xFF); // distorsion threshold bit0-7
- buffer[3] = 0; //(unsigned char)((distorsion >> 8) & 0x0F); // distorsion threshold bit 8-11
+ buffer[2] = (unsigned char)(distorsion & 0xFF); /* distorsion threshold bit0-7 */
+ buffer[3] = 0; /* (unsigned char)((distorsion >> 8) & 0x0F); distorsion threshold bit 8-11 */
distorsion = 0 + 43 * usbvision->compr_level / 100;
- buffer[4] = (unsigned char)(distorsion & 0xFF); // maximum distorsion bit0-7
- buffer[5] = 0; //(unsigned char)((distorsion >> 8) & 0x01); // maximum distorsion bit 8
+ buffer[4] = (unsigned char)(distorsion & 0xFF); /* maximum distorsion bit0-7 */
+ buffer[5] = 0; /* (unsigned char)((distorsion >> 8) & 0x01); maximum distorsion bit 8 */
}
err_code = usbvision_write_reg_irq(usbvision, USBVISION_PCM_THR1, buffer, 6);
if (err_code == 0){
@@ -1778,8 +1778,8 @@ static int usbvision_set_video_format(struct usb_usbvision *usbvision, int forma
format);
format = ISOC_MODE_YUV420;
}
- value[0] = 0x0A; //TODO: See the effect of the filter
- value[1] = format; // Sets the VO_MODE register which follows FILT_CONT
+ value[0] = 0x0A; /* TODO: See the effect of the filter */
+ value[1] = format; /* Sets the VO_MODE register which follows FILT_CONT */
rc = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
USBVISION_OP_CODE,
USB_DIR_OUT | USB_TYPE_VENDOR |
@@ -1840,10 +1840,10 @@ int usbvision_set_output(struct usb_usbvision *usbvision, int width,
/* I'll not rewrite the same values */
if ((usb_width != usbvision->curwidth) || (usb_height != usbvision->curheight)) {
- value[0] = usb_width & 0xff; //LSB
- value[1] = (usb_width >> 8) & 0x03; //MSB
- value[2] = usb_height & 0xff; //LSB
- value[3] = (usb_height >> 8) & 0x03; //MSB
+ value[0] = usb_width & 0xff; /* LSB */
+ value[1] = (usb_width >> 8) & 0x03; /* MSB */
+ value[2] = usb_height & 0xff; /* LSB */
+ value[3] = (usb_height >> 8) & 0x03; /* MSB */
err_code = usb_control_msg(usbvision->dev, usb_sndctrlpipe(usbvision->dev, 1),
USBVISION_OP_CODE,
@@ -1880,7 +1880,7 @@ int usbvision_set_output(struct usb_usbvision *usbvision, int width,
PDEBUG(DBG_FUNC, "frame_rate %d fps, frame_drop %d", frame_rate, frame_drop);
- frame_drop = FRAMERATE_MAX; // We can allow the maximum here, because dropping is controlled
+ frame_drop = FRAMERATE_MAX; /* We can allow the maximum here, because dropping is controlled */
/* frame_drop = 7; => frame_phase = 1, 5, 9, 13, 17, 21, 25, 0, 4, 8, ...
=> frame_skip = 4;
@@ -1903,7 +1903,7 @@ int usbvision_frames_alloc(struct usb_usbvision *usbvision, int number_of_frames
{
int i;
- /*needs to be page aligned cause the buffers can be mapped individually! */
+ /* needs to be page aligned cause the buffers can be mapped individually! */
usbvision->max_frame_size = PAGE_ALIGN(usbvision->curwidth *
usbvision->curheight *
usbvision->palette.bytes_per_pixel);
@@ -2002,19 +2002,19 @@ static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
int rc;
unsigned char value[6];
- value[0] = 0x0F; // Intra-Compression cycle
- value[1] = 0x01; // Reg.45 one line per strip
- value[2] = 0x00; // Reg.46 Force intra mode on all new frames
- value[3] = 0x00; // Reg.47 FORCE_UP <- 0 normal operation (not force)
- value[4] = 0xA2; // Reg.48 BUF_THR I'm not sure if this does something in not compressed mode.
- value[5] = 0x00; // Reg.49 DVI_YUV This has nothing to do with compression
-
- //catched values for NT1004
- // value[0] = 0xFF; // Never apply intra mode automatically
- // value[1] = 0xF1; // Use full frame height for virtual strip width; One line per strip
- // value[2] = 0x01; // Force intra mode on all new frames
- // value[3] = 0x00; // Strip size 400 Bytes; do not force up
- // value[4] = 0xA2; //
+ value[0] = 0x0F; /* Intra-Compression cycle */
+ value[1] = 0x01; /* Reg.45 one line per strip */
+ value[2] = 0x00; /* Reg.46 Force intra mode on all new frames */
+ value[3] = 0x00; /* Reg.47 FORCE_UP <- 0 normal operation (not force) */
+ value[4] = 0xA2; /* Reg.48 BUF_THR I'm not sure if this does something in not compressed mode. */
+ value[5] = 0x00; /* Reg.49 DVI_YUV This has nothing to do with compression */
+
+ /* catched values for NT1004 */
+ /* value[0] = 0xFF; Never apply intra mode automatically */
+ /* value[1] = 0xF1; Use full frame height for virtual strip width; One line per strip */
+ /* value[2] = 0x01; Force intra mode on all new frames */
+ /* value[3] = 0x00; Strip size 400 Bytes; do not force up */
+ /* value[4] = 0xA2; */
if (!USBVISION_IS_OPERATIONAL(usbvision))
return 0;
@@ -2031,20 +2031,20 @@ static int usbvision_set_compress_params(struct usb_usbvision *usbvision)
}
if (usbvision->bridge_type == BRIDGE_NT1004) {
- value[0] = 20; // PCM Threshold 1
- value[1] = 12; // PCM Threshold 2
- value[2] = 255; // Distorsion Threshold inter
- value[3] = 255; // Distorsion Threshold intra
- value[4] = 43; // Max Distorsion inter
- value[5] = 43; // Max Distorsion intra
+ value[0] = 20; /* PCM Threshold 1 */
+ value[1] = 12; /* PCM Threshold 2 */
+ value[2] = 255; /* Distorsion Threshold inter */
+ value[3] = 255; /* Distorsion Threshold intra */
+ value[4] = 43; /* Max Distorsion inter */
+ value[5] = 43; /* Max Distorsion intra */
}
else {
- value[0] = 20; // PCM Threshold 1
- value[1] = 12; // PCM Threshold 2
- value[2] = 255; // Distorsion Threshold d7-d0
- value[3] = 0; // Distorsion Threshold d11-d8
- value[4] = 43; // Max Distorsion d7-d0
- value[5] = 0; // Max Distorsion d8
+ value[0] = 20; /* PCM Threshold 1 */
+ value[1] = 12; /* PCM Threshold 2 */
+ value[2] = 255; /* Distorsion Threshold d7-d0 */
+ value[3] = 0; /* Distorsion Threshold d11-d8 */
+ value[4] = 43; /* Max Distorsion d7-d0 */
+ value[5] = 0; /* Max Distorsion d8 */
}
if (!USBVISION_IS_OPERATIONAL(usbvision))
@@ -2107,31 +2107,31 @@ int usbvision_set_input(struct usb_usbvision *usbvision)
if (usbvision->tvnorm_id & V4L2_STD_PAL) {
value[0] = 0xC0;
- value[1] = 0x02; //0x02C0 -> 704 Input video line length
+ value[1] = 0x02; /* 0x02C0 -> 704 Input video line length */
value[2] = 0x20;
- value[3] = 0x01; //0x0120 -> 288 Input video n. of lines
+ value[3] = 0x01; /* 0x0120 -> 288 Input video n. of lines */
value[4] = 0x60;
- value[5] = 0x00; //0x0060 -> 96 Input video h offset
+ value[5] = 0x00; /* 0x0060 -> 96 Input video h offset */
value[6] = 0x16;
- value[7] = 0x00; //0x0016 -> 22 Input video v offset
+ value[7] = 0x00; /* 0x0016 -> 22 Input video v offset */
} else if (usbvision->tvnorm_id & V4L2_STD_SECAM) {
value[0] = 0xC0;
- value[1] = 0x02; //0x02C0 -> 704 Input video line length
+ value[1] = 0x02; /* 0x02C0 -> 704 Input video line length */
value[2] = 0x20;
- value[3] = 0x01; //0x0120 -> 288 Input video n. of lines
+ value[3] = 0x01; /* 0x0120 -> 288 Input video n. of lines */
value[4] = 0x01;
- value[5] = 0x00; //0x0001 -> 01 Input video h offset
+ value[5] = 0x00; /* 0x0001 -> 01 Input video h offset */
value[6] = 0x01;
- value[7] = 0x00; //0x0001 -> 01 Input video v offset
+ value[7] = 0x00; /* 0x0001 -> 01 Input video v offset */
} else { /* V4L2_STD_NTSC */
value[0] = 0xD0;
- value[1] = 0x02; //0x02D0 -> 720 Input video line length
+ value[1] = 0x02; /* 0x02D0 -> 720 Input video line length */
value[2] = 0xF0;
- value[3] = 0x00; //0x00F0 -> 240 Input video number of lines
+ value[3] = 0x00; /* 0x00F0 -> 240 Input video number of lines */
value[4] = 0x50;
- value[5] = 0x00; //0x0050 -> 80 Input video h offset
+ value[5] = 0x00; /* 0x0050 -> 80 Input video h offset */
value[6] = 0x10;
- value[7] = 0x00; //0x0010 -> 16 Input video v offset
+ value[7] = 0x00; /* 0x0010 -> 16 Input video v offset */
}
if (usbvision_device_data[usbvision->dev_model].x_offset >= 0) {
@@ -2201,9 +2201,9 @@ static int usbvision_set_dram_settings(struct usb_usbvision *usbvision)
value[5] = 0xe0;
value[6] = 0x71;
value[7] = 0xff;
- // UR: 0x0E200-0x3FFFF = 204288 Words (1 Word = 2 Byte)
- // FDL: 0x00000-0x0E099 = 57498 Words
- // VDW: 0x0E3FF-0x3FFFF
+ /* UR: 0x0E200-0x3FFFF = 204288 Words (1 Word = 2 Byte) */
+ /* FDL: 0x00000-0x0E099 = 57498 Words */
+ /* VDW: 0x0E3FF-0x3FFFF */
}
else {
value[0] = 0x42;
@@ -2285,7 +2285,7 @@ int usbvision_power_on(struct usb_usbvision *usbvision)
* usbvision timer stuff
*/
-// to call usbvision_power_off from task queue
+/* to call usbvision_power_off from task queue */
static void call_usbvision_power_off(struct work_struct *work)
{
struct usb_usbvision *usbvision = container_of(work, struct usb_usbvision, power_off_work);
@@ -2592,17 +2592,17 @@ int usbvision_muxsel(struct usb_usbvision *usbvision, int channel)
/* inputs #1 and #2 are variable for SAA7111 and SAA7113 */
int mode[4]= {SAA7115_COMPOSITE0, 0, 0, SAA7115_COMPOSITE3};
int audio[]= {1, 0, 0, 0};
- //channel 0 is TV with audiochannel 1 (tuner mono)
- //channel 1 is Composite with audio channel 0 (line in)
- //channel 2 is S-Video with audio channel 0 (line in)
- //channel 3 is additional video inputs to the device with audio channel 0 (line in)
+ /* channel 0 is TV with audiochannel 1 (tuner mono) */
+ /* channel 1 is Composite with audio channel 0 (line in) */
+ /* channel 2 is S-Video with audio channel 0 (line in) */
+ /* channel 3 is additional video inputs to the device with audio channel 0 (line in) */
RESTRICT_TO_RANGE(channel, 0, usbvision->video_inputs);
usbvision->ctl_input = channel;
- // set the new channel
- // Regular USB TV Tuners -> channel: 0 = Television, 1 = Composite, 2 = S-Video
- // Four video input devices -> channel: 0 = Chan White, 1 = Chan Green, 2 = Chan Yellow, 3 = Chan Red
+ /* set the new channel */
+ /* Regular USB TV Tuners -> channel: 0 = Television, 1 = Composite, 2 = S-Video */
+ /* Four video input devices -> channel: 0 = Chan White, 1 = Chan Green, 2 = Chan Yellow, 3 = Chan Red */
switch (usbvision_device_data[usbvision->dev_model].codec) {
case CODEC_SAA7113:
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 20:47:16 +0000