#include "ivtv-udma.h"
#include "ivtv-yuv.h"
-const u32 yuv_offset[4] = {
- IVTV_YUV_BUFFER_OFFSET,
- IVTV_YUV_BUFFER_OFFSET_1,
- IVTV_YUV_BUFFER_OFFSET_2,
- IVTV_YUV_BUFFER_OFFSET_3
+/* YUV buffer offsets */
+const u32 yuv_offset[IVTV_YUV_BUFFERS] = {
+ 0x001a8600,
+ 0x00240400,
+ 0x002d8200,
+ 0x00370000,
+ 0x00029000,
+ 0x000C0E00,
+ 0x006B0400,
+ 0x00748200
};
static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,
- struct ivtv_dma_frame *args)
+ struct ivtv_dma_frame *args)
{
struct ivtv_dma_page_info y_dma;
struct ivtv_dma_page_info uv_dma;
-
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ u8 frame = yi->draw_frame;
+ struct yuv_frame_info *f = &yi->new_frame_info[frame];
int i;
int y_pages, uv_pages;
-
unsigned long y_buffer_offset, uv_buffer_offset;
int y_decode_height, uv_decode_height, y_size;
- int frame = atomic_read(&itv->yuv_info.next_fill_frame);
y_buffer_offset = IVTV_DECODER_OFFSET + yuv_offset[frame];
uv_buffer_offset = y_buffer_offset + IVTV_YUV_BUFFER_UV_OFFSET;
- y_decode_height = uv_decode_height = args->src.height + args->src.top;
+ y_decode_height = uv_decode_height = f->src_h + f->src_y;
- if (y_decode_height < 512-16)
+ if (f->offset_y)
y_buffer_offset += 720 * 16;
if (y_decode_height & 15)
/* Still in USE */
if (dma->SG_length || dma->page_count) {
- IVTV_DEBUG_WARN("prep_user_dma: SG_length %d page_count %d still full?\n",
- dma->SG_length, dma->page_count);
+ IVTV_DEBUG_WARN
+ ("prep_user_dma: SG_length %d page_count %d still full?\n",
+ dma->SG_length, dma->page_count);
return -EBUSY;
}
dma->page_count = y_dma.page_count + uv_dma.page_count;
if (y_pages + uv_pages != dma->page_count) {
- IVTV_DEBUG_WARN("failed to map user pages, returned %d instead of %d\n",
- y_pages + uv_pages, dma->page_count);
+ IVTV_DEBUG_WARN
+ ("failed to map user pages, returned %d instead of %d\n",
+ y_pages + uv_pages, dma->page_count);
for (i = 0; i < dma->page_count; i++) {
put_page(dma->map[i]);
dma->SG_length = pci_map_sg(itv->dev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE);
/* Fill SG Array with new values */
- ivtv_udma_fill_sg_array (dma, y_buffer_offset, uv_buffer_offset, y_size);
+ ivtv_udma_fill_sg_array(dma, y_buffer_offset, uv_buffer_offset, y_size);
/* If we've offset the y plane, ensure top area is blanked */
- if (args->src.height + args->src.top < 512-16) {
- if (itv->yuv_info.blanking_dmaptr) {
- dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16);
- dma->SGarray[dma->SG_length].src = cpu_to_le32(itv->yuv_info.blanking_dmaptr);
- dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]);
- dma->SG_length++;
- }
+ if (f->offset_y && yi->blanking_dmaptr) {
+ dma->SGarray[dma->SG_length].size = cpu_to_le32(720*16);
+ dma->SGarray[dma->SG_length].src = cpu_to_le32(yi->blanking_dmaptr);
+ dma->SGarray[dma->SG_length].dst = cpu_to_le32(IVTV_DECODER_OFFSET + yuv_offset[frame]);
+ dma->SG_length++;
}
/* Tag SG Array with Interrupt Bit */
/* We rely on a table held in the firmware - Quick check. */
int ivtv_yuv_filter_check(struct ivtv *itv)
{
- int i, offset_y, offset_uv;
+ int i, y, uv;
- for (i=0, offset_y = 16, offset_uv = 4; i<16; i++, offset_y += 24, offset_uv += 12) {
- if ((read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + offset_y) != i << 16) ||
- (read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + offset_uv) != i << 16)) {
+ for (i = 0, y = 16, uv = 4; i < 16; i++, y += 24, uv += 12) {
+ if ((read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + y) != i << 16) ||
+ (read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + uv) != i << 16)) {
IVTV_WARN ("YUV filter table not found in firmware.\n");
return -1;
}
static void ivtv_yuv_filter(struct ivtv *itv, int h_filter, int v_filter_1, int v_filter_2)
{
- int filter_index, filter_line;
+ u32 i, line;
/* If any filter is -1, then don't update it */
if (h_filter > -1) {
- if (h_filter > 4) h_filter = 4;
- filter_index = h_filter * 384;
- filter_line = 0;
- while (filter_line < 16) {
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02804);
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0281c);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02808);
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02820);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0280c);
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02824);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02810);
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02828);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x02814);
- write_reg(read_dec(IVTV_YUV_HORIZONTAL_FILTER_OFFSET + filter_index), 0x0282c);
- filter_index += 8;
+ if (h_filter > 4)
+ h_filter = 4;
+ i = IVTV_YUV_HORIZONTAL_FILTER_OFFSET + (h_filter * 384);
+ for (line = 0; line < 16; line++) {
+ write_reg(read_dec(i), 0x02804);
+ write_reg(read_dec(i), 0x0281c);
+ i += 4;
+ write_reg(read_dec(i), 0x02808);
+ write_reg(read_dec(i), 0x02820);
+ i += 4;
+ write_reg(read_dec(i), 0x0280c);
+ write_reg(read_dec(i), 0x02824);
+ i += 4;
+ write_reg(read_dec(i), 0x02810);
+ write_reg(read_dec(i), 0x02828);
+ i += 4;
+ write_reg(read_dec(i), 0x02814);
+ write_reg(read_dec(i), 0x0282c);
+ i += 8;
write_reg(0, 0x02818);
write_reg(0, 0x02830);
- filter_line ++;
}
- IVTV_DEBUG_YUV("h_filter -> %d\n",h_filter);
+ IVTV_DEBUG_YUV("h_filter -> %d\n", h_filter);
}
if (v_filter_1 > -1) {
- if (v_filter_1 > 4) v_filter_1 = 4;
- filter_index = v_filter_1 * 192;
- filter_line = 0;
- while (filter_line < 16) {
- write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02900);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02904);
- filter_index += 8;
+ if (v_filter_1 > 4)
+ v_filter_1 = 4;
+ i = IVTV_YUV_VERTICAL_FILTER_OFFSET + (v_filter_1 * 192);
+ for (line = 0; line < 16; line++) {
+ write_reg(read_dec(i), 0x02900);
+ i += 4;
+ write_reg(read_dec(i), 0x02904);
+ i += 8;
write_reg(0, 0x02908);
- filter_line ++;
}
- IVTV_DEBUG_YUV("v_filter_1 -> %d\n",v_filter_1);
+ IVTV_DEBUG_YUV("v_filter_1 -> %d\n", v_filter_1);
}
if (v_filter_2 > -1) {
- if (v_filter_2 > 4) v_filter_2 = 4;
- filter_index = v_filter_2 * 192;
- filter_line = 0;
- while (filter_line < 16) {
- write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x0290c);
- filter_index += 4;
- write_reg(read_dec(IVTV_YUV_VERTICAL_FILTER_OFFSET + filter_index), 0x02910);
- filter_index += 8;
+ if (v_filter_2 > 4)
+ v_filter_2 = 4;
+ i = IVTV_YUV_VERTICAL_FILTER_OFFSET + (v_filter_2 * 192);
+ for (line = 0; line < 16; line++) {
+ write_reg(read_dec(i), 0x0290c);
+ i += 4;
+ write_reg(read_dec(i), 0x02910);
+ i += 8;
write_reg(0, 0x02914);
- filter_line ++;
}
- IVTV_DEBUG_YUV("v_filter_2 -> %d\n",v_filter_2);
+ IVTV_DEBUG_YUV("v_filter_2 -> %d\n", v_filter_2);
}
}
-static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *window)
+static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *f)
{
+ struct yuv_playback_info *yi = &itv->yuv_info;
u32 reg_2834, reg_2838, reg_283c;
u32 reg_2844, reg_2854, reg_285c;
u32 reg_2864, reg_2874, reg_2890;
int h_filter;
u32 master_width;
- IVTV_DEBUG_WARN( "Need to adjust to width %d src_w %d dst_w %d src_x %d dst_x %d\n",
- window->tru_w, window->src_w, window->dst_w,window->src_x, window->dst_x);
+ IVTV_DEBUG_WARN
+ ("Adjust to width %d src_w %d dst_w %d src_x %d dst_x %d\n",
+ f->tru_w, f->src_w, f->dst_w, f->src_x, f->dst_x);
/* How wide is the src image */
- x_cutoff = window->src_w + window->src_x;
+ x_cutoff = f->src_w + f->src_x;
/* Set the display width */
- reg_2834 = window->dst_w;
+ reg_2834 = f->dst_w;
reg_2838 = reg_2834;
/* Set the display position */
- reg_2890 = window->dst_x;
+ reg_2890 = f->dst_x;
/* Index into the image horizontally */
reg_2870 = 0;
Gradually adjust the offset to avoid the video 'snapping'
left/right if it gets dragged through this region.
Only do this if osd is full width. */
- if (window->vis_w == 720) {
- if ((window->tru_x - window->pan_x > -1) && (window->tru_x - window->pan_x <= 40) && (window->dst_w >= 680)){
- reg_2870 = 10 - (window->tru_x - window->pan_x) / 4;
- }
- else if ((window->tru_x - window->pan_x < 0) && (window->tru_x - window->pan_x >= -20) && (window->dst_w >= 660)) {
- reg_2870 = (10 + (window->tru_x - window->pan_x) / 2);
- }
+ if (f->vis_w == 720) {
+ if ((f->tru_x - f->pan_x > -1) && (f->tru_x - f->pan_x <= 40) && (f->dst_w >= 680))
+ reg_2870 = 10 - (f->tru_x - f->pan_x) / 4;
+ else if ((f->tru_x - f->pan_x < 0) && (f->tru_x - f->pan_x >= -20) && (f->dst_w >= 660))
+ reg_2870 = (10 + (f->tru_x - f->pan_x) / 2);
- if (window->dst_w >= window->src_w)
+ if (f->dst_w >= f->src_w)
reg_2870 = reg_2870 << 16 | reg_2870;
else
reg_2870 = ((reg_2870 & ~1) << 15) | (reg_2870 & ~1);
}
- if (window->dst_w < window->src_w)
+ if (f->dst_w < f->src_w)
reg_2870 = 0x000d000e - reg_2870;
else
reg_2870 = 0x0012000e - reg_2870;
/* We're also using 2870 to shift the image left (src_x & negative dst_x) */
- reg_2870_offset = (window->src_x*((window->dst_w << 21)/window->src_w))>>19;
+ reg_2870_offset = (f->src_x * ((f->dst_w << 21) / f->src_w)) >> 19;
- if (window->dst_w >= window->src_w) {
+ if (f->dst_w >= f->src_w) {
x_cutoff &= ~1;
- master_width = (window->src_w * 0x00200000) / (window->dst_w);
- if (master_width * window->dst_w != window->src_w * 0x00200000) master_width ++;
+ master_width = (f->src_w * 0x00200000) / (f->dst_w);
+ if (master_width * f->dst_w != f->src_w * 0x00200000)
+ master_width++;
reg_2834 = (reg_2834 << 16) | x_cutoff;
reg_2838 = (reg_2838 << 16) | x_cutoff;
reg_283c = master_width >> 2;
/* We also need to factor in the scaling
(src_w - dst_w) / (src_w / 4) */
- if (window->dst_w > window->src_w)
- reg_2870_base = ((window->dst_w - window->src_w)<<16) / (window->src_w <<14);
+ if (f->dst_w > f->src_w)
+ reg_2870_base = ((f->dst_w - f->src_w)<<16) / (f->src_w <<14);
else
reg_2870_base = 0;
reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 2) + (reg_2870_base << 17 | reg_2870_base);
reg_2874 = 0;
- }
- else if (window->dst_w < window->src_w / 2) {
- master_width = (window->src_w * 0x00080000) / window->dst_w;
- if (master_width * window->dst_w != window->src_w * 0x00080000) master_width ++;
+ } else if (f->dst_w < f->src_w / 2) {
+ master_width = (f->src_w * 0x00080000) / f->dst_w;
+ if (master_width * f->dst_w != f->src_w * 0x00080000)
+ master_width++;
reg_2834 = (reg_2834 << 16) | x_cutoff;
reg_2838 = (reg_2838 << 16) | x_cutoff;
reg_283c = master_width >> 2;
reg_2854 = master_width;
reg_285c = master_width >> 1;
reg_2864 = master_width >> 1;
- reg_2870 += (((reg_2870_offset << 15) & 0xFFFF0000) | reg_2870_offset);
- reg_2870 += (5 - (((window->src_w + window->src_w / 2) - 1) / window->dst_w)) << 16;
+ reg_2870 += ((reg_2870_offset << 15) & 0xFFFF0000) | reg_2870_offset;
+ reg_2870 += (5 - (((f->src_w + f->src_w / 2) - 1) / f->dst_w)) << 16;
reg_2874 = 0x00000012;
- }
- else {
- master_width = (window->src_w * 0x00100000) / window->dst_w;
- if (master_width * window->dst_w != window->src_w * 0x00100000) master_width ++;
+ } else {
+ master_width = (f->src_w * 0x00100000) / f->dst_w;
+ if (master_width * f->dst_w != f->src_w * 0x00100000)
+ master_width++;
reg_2834 = (reg_2834 << 16) | x_cutoff;
reg_2838 = (reg_2838 << 16) | x_cutoff;
reg_283c = master_width >> 2;
reg_2854 = master_width;
reg_285c = master_width >> 1;
reg_2864 = master_width >> 1;
- reg_2870 += (((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 1);
- reg_2870 += (5 - (((window->src_w * 3) - 1) / window->dst_w)) << 16;
+ reg_2870 += ((reg_2870_offset << 14) & 0xFFFF0000) | reg_2870_offset >> 1;
+ reg_2870 += (5 - (((f->src_w * 3) - 1) / f->dst_w)) << 16;
reg_2874 = 0x00000001;
}
/* Select the horizontal filter */
- if (window->src_w == window->dst_w) {
+ if (f->src_w == f->dst_w) {
/* An exact size match uses filter 0 */
h_filter = 0;
- }
- else {
+ } else {
/* Figure out which filter to use */
- h_filter = ((window->src_w << 16) / window->dst_w) >> 15;
+ h_filter = ((f->src_w << 16) / f->dst_w) >> 15;
h_filter = (h_filter >> 1) + (h_filter & 1);
/* Only an exact size match can use filter 0 */
- if (h_filter == 0) h_filter = 1;
+ h_filter += !h_filter;
}
write_reg(reg_2834, 0x02834);
write_reg(reg_2838, 0x02838);
- IVTV_DEBUG_YUV("Update reg 0x2834 %08x->%08x 0x2838 %08x->%08x\n",itv->yuv_info.reg_2834, reg_2834, itv->yuv_info.reg_2838, reg_2838);
+ IVTV_DEBUG_YUV("Update reg 0x2834 %08x->%08x 0x2838 %08x->%08x\n",
+ yi->reg_2834, reg_2834, yi->reg_2838, reg_2838);
write_reg(reg_283c, 0x0283c);
write_reg(reg_2844, 0x02844);
- IVTV_DEBUG_YUV("Update reg 0x283c %08x->%08x 0x2844 %08x->%08x\n",itv->yuv_info.reg_283c, reg_283c, itv->yuv_info.reg_2844, reg_2844);
+ IVTV_DEBUG_YUV("Update reg 0x283c %08x->%08x 0x2844 %08x->%08x\n",
+ yi->reg_283c, reg_283c, yi->reg_2844, reg_2844);
write_reg(0x00080514, 0x02840);
write_reg(0x00100514, 0x02848);
- IVTV_DEBUG_YUV("Update reg 0x2840 %08x->%08x 0x2848 %08x->%08x\n",itv->yuv_info.reg_2840, 0x00080514, itv->yuv_info.reg_2848, 0x00100514);
+ IVTV_DEBUG_YUV("Update reg 0x2840 %08x->%08x 0x2848 %08x->%08x\n",
+ yi->reg_2840, 0x00080514, yi->reg_2848, 0x00100514);
write_reg(reg_2854, 0x02854);
- IVTV_DEBUG_YUV("Update reg 0x2854 %08x->%08x \n",itv->yuv_info.reg_2854, reg_2854);
+ IVTV_DEBUG_YUV("Update reg 0x2854 %08x->%08x \n",
+ yi->reg_2854, reg_2854);
write_reg(reg_285c, 0x0285c);
write_reg(reg_2864, 0x02864);
- IVTV_DEBUG_YUV("Update reg 0x285c %08x->%08x 0x2864 %08x->%08x\n",itv->yuv_info.reg_285c, reg_285c, itv->yuv_info.reg_2864, reg_2864);
+ IVTV_DEBUG_YUV("Update reg 0x285c %08x->%08x 0x2864 %08x->%08x\n",
+ yi->reg_285c, reg_285c, yi->reg_2864, reg_2864);
write_reg(reg_2874, 0x02874);
- IVTV_DEBUG_YUV("Update reg 0x2874 %08x->%08x\n",itv->yuv_info.reg_2874, reg_2874);
+ IVTV_DEBUG_YUV("Update reg 0x2874 %08x->%08x\n",
+ yi->reg_2874, reg_2874);
write_reg(reg_2870, 0x02870);
- IVTV_DEBUG_YUV("Update reg 0x2870 %08x->%08x\n",itv->yuv_info.reg_2870, reg_2870);
+ IVTV_DEBUG_YUV("Update reg 0x2870 %08x->%08x\n",
+ yi->reg_2870, reg_2870);
- write_reg( reg_2890,0x02890);
- IVTV_DEBUG_YUV("Update reg 0x2890 %08x->%08x\n",itv->yuv_info.reg_2890, reg_2890);
+ write_reg(reg_2890, 0x02890);
+ IVTV_DEBUG_YUV("Update reg 0x2890 %08x->%08x\n",
+ yi->reg_2890, reg_2890);
/* Only update the filter if we really need to */
- if (h_filter != itv->yuv_info.h_filter) {
- ivtv_yuv_filter (itv,h_filter,-1,-1);
- itv->yuv_info.h_filter = h_filter;
+ if (h_filter != yi->h_filter) {
+ ivtv_yuv_filter(itv, h_filter, -1, -1);
+ yi->h_filter = h_filter;
}
}
-static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *window)
+static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *f)
{
+ struct yuv_playback_info *yi = &itv->yuv_info;
u32 master_height;
u32 reg_2918, reg_291c, reg_2920, reg_2928;
u32 reg_2930, reg_2934, reg_293c;
u32 reg_2950, reg_2954, reg_2958, reg_295c;
u32 reg_2960, reg_2964, reg_2968, reg_296c;
u32 reg_289c;
- u32 src_y_major_y, src_y_minor_y;
- u32 src_y_major_uv, src_y_minor_uv;
+ u32 src_major_y, src_minor_y;
+ u32 src_major_uv, src_minor_uv;
u32 reg_2964_base, reg_2968_base;
int v_filter_1, v_filter_2;
- IVTV_DEBUG_WARN("Need to adjust to height %d src_h %d dst_h %d src_y %d dst_y %d\n",
- window->tru_h, window->src_h, window->dst_h,window->src_y, window->dst_y);
+ IVTV_DEBUG_WARN
+ ("Adjust to height %d src_h %d dst_h %d src_y %d dst_y %d\n",
+ f->tru_h, f->src_h, f->dst_h, f->src_y, f->dst_y);
/* What scaling mode is being used... */
- if (window->interlaced_y) {
- IVTV_DEBUG_YUV("Scaling mode Y: Interlaced\n");
- }
- else {
- IVTV_DEBUG_YUV("Scaling mode Y: Progressive\n");
- }
+ IVTV_DEBUG_YUV("Scaling mode Y: %s\n",
+ f->interlaced_y ? "Interlaced" : "Progressive");
- if (window->interlaced_uv) {
- IVTV_DEBUG_YUV("Scaling mode UV: Interlaced\n");
- }
- else {
- IVTV_DEBUG_YUV("Scaling mode UV: Progressive\n");
- }
+ IVTV_DEBUG_YUV("Scaling mode UV: %s\n",
+ f->interlaced_uv ? "Interlaced" : "Progressive");
/* What is the source video being treated as... */
- if (itv->yuv_info.frame_interlaced) {
- IVTV_DEBUG_WARN("Source video: Interlaced\n");
- }
- else {
- IVTV_DEBUG_WARN("Source video: Non-interlaced\n");
- }
+ IVTV_DEBUG_WARN("Source video: %s\n",
+ f->interlaced ? "Interlaced" : "Progressive");
/* We offset into the image using two different index methods, so split
the y source coord into two parts. */
- if (window->src_y < 8) {
- src_y_minor_uv = window->src_y;
- src_y_major_uv = 0;
- }
- else {
- src_y_minor_uv = 8;
- src_y_major_uv = window->src_y - 8;
+ if (f->src_y < 8) {
+ src_minor_uv = f->src_y;
+ src_major_uv = 0;
+ } else {
+ src_minor_uv = 8;
+ src_major_uv = f->src_y - 8;
}
- src_y_minor_y = src_y_minor_uv;
- src_y_major_y = src_y_major_uv;
+ src_minor_y = src_minor_uv;
+ src_major_y = src_major_uv;
- if (window->offset_y) src_y_minor_y += 16;
+ if (f->offset_y)
+ src_minor_y += 16;
- if (window->interlaced_y)
- reg_2918 = (window->dst_h << 16) | (window->src_h + src_y_minor_y);
+ if (f->interlaced_y)
+ reg_2918 = (f->dst_h << 16) | (f->src_h + src_minor_y);
else
- reg_2918 = (window->dst_h << 16) | ((window->src_h + src_y_minor_y) << 1);
+ reg_2918 = (f->dst_h << 16) | ((f->src_h + src_minor_y) << 1);
- if (window->interlaced_uv)
- reg_291c = (window->dst_h << 16) | ((window->src_h + src_y_minor_uv) >> 1);
+ if (f->interlaced_uv)
+ reg_291c = (f->dst_h << 16) | ((f->src_h + src_minor_uv) >> 1);
else
- reg_291c = (window->dst_h << 16) | (window->src_h + src_y_minor_uv);
+ reg_291c = (f->dst_h << 16) | (f->src_h + src_minor_uv);
- reg_2964_base = (src_y_minor_y * ((window->dst_h << 16)/window->src_h)) >> 14;
- reg_2968_base = (src_y_minor_uv * ((window->dst_h << 16)/window->src_h)) >> 14;
+ reg_2964_base = (src_minor_y * ((f->dst_h << 16) / f->src_h)) >> 14;
+ reg_2968_base = (src_minor_uv * ((f->dst_h << 16) / f->src_h)) >> 14;
- if (window->dst_h / 2 >= window->src_h && !window->interlaced_y) {
- master_height = (window->src_h * 0x00400000) / window->dst_h;
- if ((window->src_h * 0x00400000) - (master_height * window->dst_h) >= window->dst_h / 2) master_height ++;
+ if (f->dst_h / 2 >= f->src_h && !f->interlaced_y) {
+ master_height = (f->src_h * 0x00400000) / f->dst_h;
+ if ((f->src_h * 0x00400000) - (master_height * f->dst_h) >= f->dst_h / 2)
+ master_height++;
reg_2920 = master_height >> 2;
reg_2928 = master_height >> 3;
reg_2930 = master_height;
reg_2964_base >>= 3;
reg_2968_base >>= 3;
reg_296c = 0x00000000;
- }
- else if (window->dst_h >= window->src_h) {
- master_height = (window->src_h * 0x00400000) / window->dst_h;
+ } else if (f->dst_h >= f->src_h) {
+ master_height = (f->src_h * 0x00400000) / f->dst_h;
master_height = (master_height >> 1) + (master_height & 1);
reg_2920 = master_height >> 2;
reg_2928 = master_height >> 2;
reg_2930 = master_height;
reg_2940 = master_height >> 1;
reg_296c = 0x00000000;
- if (window->interlaced_y) {
+ if (f->interlaced_y) {
reg_2964_base >>= 3;
- }
- else {
- reg_296c ++;
+ } else {
+ reg_296c++;
reg_2964_base >>= 2;
}
- if (window->interlaced_uv) reg_2928 >>= 1;
+ if (f->interlaced_uv)
+ reg_2928 >>= 1;
reg_2968_base >>= 3;
- }
- else if (window->dst_h >= window->src_h / 2) {
- master_height = (window->src_h * 0x00200000) / window->dst_h;
+ } else if (f->dst_h >= f->src_h / 2) {
+ master_height = (f->src_h * 0x00200000) / f->dst_h;
master_height = (master_height >> 1) + (master_height & 1);
reg_2920 = master_height >> 2;
reg_2928 = master_height >> 2;
reg_2930 = master_height;
reg_2940 = master_height;
reg_296c = 0x00000101;
- if (window->interlaced_y) {
+ if (f->interlaced_y) {
reg_2964_base >>= 2;
- }
- else {
- reg_296c ++;
+ } else {
+ reg_296c++;
reg_2964_base >>= 1;
}
- if (window->interlaced_uv) reg_2928 >>= 1;
+ if (f->interlaced_uv)
+ reg_2928 >>= 1;
reg_2968_base >>= 2;
- }
- else {
- master_height = (window->src_h * 0x00100000) / window->dst_h;
+ } else {
+ master_height = (f->src_h * 0x00100000) / f->dst_h;
master_height = (master_height >> 1) + (master_height & 1);
reg_2920 = master_height >> 2;
reg_2928 = master_height >> 2;
/* FIXME These registers change depending on scaled / unscaled output
We really need to work out what they should be */
- if (window->src_h == window->dst_h){
+ if (f->src_h == f->dst_h) {
reg_2934 = 0x00020000;
reg_293c = 0x00100000;
reg_2944 = 0x00040000;
reg_294c = 0x000b0000;
- }
- else {
+ } else {
reg_2934 = 0x00000FF0;
reg_293c = 0x00000FF0;
reg_2944 = 0x00000FF0;
}
/* The first line to be displayed */
- reg_2950 = 0x00010000 + src_y_major_y;
- if (window->interlaced_y) reg_2950 += 0x00010000;
+ reg_2950 = 0x00010000 + src_major_y;
+ if (f->interlaced_y)
+ reg_2950 += 0x00010000;
reg_2954 = reg_2950 + 1;
- reg_2958 = 0x00010000 + (src_y_major_y >> 1);
- if (window->interlaced_uv) reg_2958 += 0x00010000;
+ reg_2958 = 0x00010000 + (src_major_y >> 1);
+ if (f->interlaced_uv)
+ reg_2958 += 0x00010000;
reg_295c = reg_2958 + 1;
- if (itv->yuv_info.decode_height == 480)
+ if (yi->decode_height == 480)
reg_289c = 0x011e0017;
else
reg_289c = 0x01500017;
- if (window->dst_y < 0)
- reg_289c = (reg_289c - ((window->dst_y & ~1)<<15))-(window->dst_y >>1);
+ if (f->dst_y < 0)
+ reg_289c = (reg_289c - ((f->dst_y & ~1)<<15))-(f->dst_y >>1);
else
- reg_289c = (reg_289c + ((window->dst_y & ~1)<<15))+(window->dst_y >>1);
+ reg_289c = (reg_289c + ((f->dst_y & ~1)<<15))+(f->dst_y >>1);
/* How much of the source to decode.
Take into account the source offset */
- reg_2960 = ((src_y_minor_y + window->src_h + src_y_major_y) - 1 ) |
- ((((src_y_minor_uv + window->src_h + src_y_major_uv) - 1) & ~1) << 15);
+ reg_2960 = ((src_minor_y + f->src_h + src_major_y) - 1) |
+ (((src_minor_uv + f->src_h + src_major_uv - 1) & ~1) << 15);
/* Calculate correct value for register 2964 */
- if (window->src_h == window->dst_h)
+ if (f->src_h == f->dst_h) {
reg_2964 = 1;
- else {
- reg_2964 = 2 + ((window->dst_h << 1) / window->src_h);
+ } else {
+ reg_2964 = 2 + ((f->dst_h << 1) / f->src_h);
reg_2964 = (reg_2964 >> 1) + (reg_2964 & 1);
}
reg_2968 = (reg_2964 << 16) + reg_2964 + (reg_2964 >> 1);
/* Deviate further from what it should be. I find the flicker headache
inducing so try to reduce it slightly. Leave 2968 as-is otherwise
colours foul. */
- if ((reg_2964 != 0x00010001) && (window->dst_h / 2 <= window->src_h))
- reg_2964 = (reg_2964 & 0xFFFF0000) + ((reg_2964 & 0x0000FFFF)/2);
+ if ((reg_2964 != 0x00010001) && (f->dst_h / 2 <= f->src_h))
+ reg_2964 = (reg_2964 & 0xFFFF0000) + ((reg_2964 & 0x0000FFFF) / 2);
- if (!window->interlaced_y) reg_2964 -= 0x00010001;
- if (!window->interlaced_uv) reg_2968 -= 0x00010001;
+ if (!f->interlaced_y)
+ reg_2964 -= 0x00010001;
+ if (!f->interlaced_uv)
+ reg_2968 -= 0x00010001;
reg_2964 += ((reg_2964_base << 16) | reg_2964_base);
reg_2968 += ((reg_2968_base << 16) | reg_2968_base);
/* Select the vertical filter */
- if (window->src_h == window->dst_h) {
+ if (f->src_h == f->dst_h) {
/* An exact size match uses filter 0/1 */
v_filter_1 = 0;
v_filter_2 = 1;
- }
- else {
+ } else {
/* Figure out which filter to use */
- v_filter_1 = ((window->src_h << 16) / window->dst_h) >> 15;
+ v_filter_1 = ((f->src_h << 16) / f->dst_h) >> 15;
v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1);
/* Only an exact size match can use filter 0 */
- if (v_filter_1 == 0) v_filter_1 = 1;
+ v_filter_1 += !v_filter_1;
v_filter_2 = v_filter_1;
}
write_reg(reg_2934, 0x02934);
write_reg(reg_293c, 0x0293c);
- IVTV_DEBUG_YUV("Update reg 0x2934 %08x->%08x 0x293c %08x->%08x\n",itv->yuv_info.reg_2934, reg_2934, itv->yuv_info.reg_293c, reg_293c);
+ IVTV_DEBUG_YUV("Update reg 0x2934 %08x->%08x 0x293c %08x->%08x\n",
+ yi->reg_2934, reg_2934, yi->reg_293c, reg_293c);
write_reg(reg_2944, 0x02944);
write_reg(reg_294c, 0x0294c);
- IVTV_DEBUG_YUV("Update reg 0x2944 %08x->%08x 0x294c %08x->%08x\n",itv->yuv_info.reg_2944, reg_2944, itv->yuv_info.reg_294c, reg_294c);
+ IVTV_DEBUG_YUV("Update reg 0x2944 %08x->%08x 0x294c %08x->%08x\n",
+ yi->reg_2944, reg_2944, yi->reg_294c, reg_294c);
/* Ensure 2970 is 0 (does it ever change ?) */
/* write_reg(0,0x02970); */
-/* IVTV_DEBUG_YUV("Update reg 0x2970 %08x->%08x\n",itv->yuv_info.reg_2970, 0); */
+/* IVTV_DEBUG_YUV("Update reg 0x2970 %08x->%08x\n", yi->reg_2970, 0); */
write_reg(reg_2930, 0x02938);
write_reg(reg_2930, 0x02930);
- IVTV_DEBUG_YUV("Update reg 0x2930 %08x->%08x 0x2938 %08x->%08x\n",itv->yuv_info.reg_2930, reg_2930, itv->yuv_info.reg_2938, reg_2930);
+ IVTV_DEBUG_YUV("Update reg 0x2930 %08x->%08x 0x2938 %08x->%08x\n",
+ yi->reg_2930, reg_2930, yi->reg_2938, reg_2930);
write_reg(reg_2928, 0x02928);
- write_reg(reg_2928+0x514, 0x0292C);
- IVTV_DEBUG_YUV("Update reg 0x2928 %08x->%08x 0x292c %08x->%08x\n",itv->yuv_info.reg_2928, reg_2928, itv->yuv_info.reg_292c, reg_2928+0x514);
+ write_reg(reg_2928 + 0x514, 0x0292C);
+ IVTV_DEBUG_YUV("Update reg 0x2928 %08x->%08x 0x292c %08x->%08x\n",
+ yi->reg_2928, reg_2928, yi->reg_292c, reg_2928 + 0x514);
write_reg(reg_2920, 0x02920);
- write_reg(reg_2920+0x514, 0x02924);
- IVTV_DEBUG_YUV("Update reg 0x2920 %08x->%08x 0x2924 %08x->%08x\n",itv->yuv_info.reg_2920, reg_2920, itv->yuv_info.reg_2924, 0x514+reg_2920);
+ write_reg(reg_2920 + 0x514, 0x02924);
+ IVTV_DEBUG_YUV("Update reg 0x2920 %08x->%08x 0x2924 %08x->%08x\n",
+ yi->reg_2920, reg_2920, yi->reg_2924, reg_2920 + 0x514);
- write_reg (reg_2918,0x02918);
- write_reg (reg_291c,0x0291C);
- IVTV_DEBUG_YUV("Update reg 0x2918 %08x->%08x 0x291C %08x->%08x\n",itv->yuv_info.reg_2918,reg_2918,itv->yuv_info.reg_291c,reg_291c);
+ write_reg(reg_2918, 0x02918);
+ write_reg(reg_291c, 0x0291C);
+ IVTV_DEBUG_YUV("Update reg 0x2918 %08x->%08x 0x291C %08x->%08x\n",
+ yi->reg_2918, reg_2918, yi->reg_291c, reg_291c);
write_reg(reg_296c, 0x0296c);
- IVTV_DEBUG_YUV("Update reg 0x296c %08x->%08x\n",itv->yuv_info.reg_296c, reg_296c);
+ IVTV_DEBUG_YUV("Update reg 0x296c %08x->%08x\n",
+ yi->reg_296c, reg_296c);
write_reg(reg_2940, 0x02948);
write_reg(reg_2940, 0x02940);
- IVTV_DEBUG_YUV("Update reg 0x2940 %08x->%08x 0x2948 %08x->%08x\n",itv->yuv_info.reg_2940, reg_2940, itv->yuv_info.reg_2948, reg_2940);
+ IVTV_DEBUG_YUV("Update reg 0x2940 %08x->%08x 0x2948 %08x->%08x\n",
+ yi->reg_2940, reg_2940, yi->reg_2948, reg_2940);
write_reg(reg_2950, 0x02950);
write_reg(reg_2954, 0x02954);
- IVTV_DEBUG_YUV("Update reg 0x2950 %08x->%08x 0x2954 %08x->%08x\n",itv->yuv_info.reg_2950, reg_2950, itv->yuv_info.reg_2954, reg_2954);
+ IVTV_DEBUG_YUV("Update reg 0x2950 %08x->%08x 0x2954 %08x->%08x\n",
+ yi->reg_2950, reg_2950, yi->reg_2954, reg_2954);
write_reg(reg_2958, 0x02958);
write_reg(reg_295c, 0x0295C);
- IVTV_DEBUG_YUV("Update reg 0x2958 %08x->%08x 0x295C %08x->%08x\n",itv->yuv_info.reg_2958, reg_2958, itv->yuv_info.reg_295c, reg_295c);
+ IVTV_DEBUG_YUV("Update reg 0x2958 %08x->%08x 0x295C %08x->%08x\n",
+ yi->reg_2958, reg_2958, yi->reg_295c, reg_295c);
write_reg(reg_2960, 0x02960);
- IVTV_DEBUG_YUV("Update reg 0x2960 %08x->%08x \n",itv->yuv_info.reg_2960, reg_2960);
+ IVTV_DEBUG_YUV("Update reg 0x2960 %08x->%08x \n",
+ yi->reg_2960, reg_2960);
write_reg(reg_2964, 0x02964);
write_reg(reg_2968, 0x02968);
- IVTV_DEBUG_YUV("Update reg 0x2964 %08x->%08x 0x2968 %08x->%08x\n",itv->yuv_info.reg_2964, reg_2964, itv->yuv_info.reg_2968, reg_2968);
+ IVTV_DEBUG_YUV("Update reg 0x2964 %08x->%08x 0x2968 %08x->%08x\n",
+ yi->reg_2964, reg_2964, yi->reg_2968, reg_2968);
- write_reg( reg_289c,0x0289c);
- IVTV_DEBUG_YUV("Update reg 0x289c %08x->%08x\n",itv->yuv_info.reg_289c, reg_289c);
+ write_reg(reg_289c, 0x0289c);
+ IVTV_DEBUG_YUV("Update reg 0x289c %08x->%08x\n",
+ yi->reg_289c, reg_289c);
/* Only update filter 1 if we really need to */
- if (v_filter_1 != itv->yuv_info.v_filter_1) {
- ivtv_yuv_filter (itv,-1,v_filter_1,-1);
- itv->yuv_info.v_filter_1 = v_filter_1;
+ if (v_filter_1 != yi->v_filter_1) {
+ ivtv_yuv_filter(itv, -1, v_filter_1, -1);
+ yi->v_filter_1 = v_filter_1;
}
/* Only update filter 2 if we really need to */
- if (v_filter_2 != itv->yuv_info.v_filter_2) {
- ivtv_yuv_filter (itv,-1,-1,v_filter_2);
- itv->yuv_info.v_filter_2 = v_filter_2;
+ if (v_filter_2 != yi->v_filter_2) {
+ ivtv_yuv_filter(itv, -1, -1, v_filter_2);
+ yi->v_filter_2 = v_filter_2;
}
-
}
/* Modify the supplied coordinate information to fit the visible osd area */
-static u32 ivtv_yuv_window_setup (struct ivtv *itv, struct yuv_frame_info *window)
+static u32 ivtv_yuv_window_setup(struct ivtv *itv, struct yuv_frame_info *f)
{
- int osd_crop, lace_threshold;
+ struct yuv_frame_info *of = &itv->yuv_info.old_frame_info;
+ int osd_crop;
u32 osd_scale;
u32 yuv_update = 0;
- lace_threshold = itv->yuv_info.lace_threshold;
- if (lace_threshold < 0)
- lace_threshold = itv->yuv_info.decode_height - 1;
-
- /* Work out the lace settings */
- switch (itv->yuv_info.lace_mode) {
- case IVTV_YUV_MODE_PROGRESSIVE: /* Progressive mode */
- itv->yuv_info.frame_interlaced = 0;
- if (window->tru_h < 512 || (window->tru_h > 576 && window->tru_h < 1021))
- window->interlaced_y = 0;
- else
- window->interlaced_y = 1;
-
- if (window->tru_h < 1021 && (window->dst_h >= window->src_h /2))
- window->interlaced_uv = 0;
- else
- window->interlaced_uv = 1;
- break;
-
- case IVTV_YUV_MODE_AUTO:
- if (window->tru_h <= lace_threshold || window->tru_h > 576 || window->tru_w > 720){
- itv->yuv_info.frame_interlaced = 0;
- if ((window->tru_h < 512) ||
- (window->tru_h > 576 && window->tru_h < 1021) ||
- (window->tru_w > 720 && window->tru_h < 1021))
- window->interlaced_y = 0;
- else
- window->interlaced_y = 1;
-
- if (window->tru_h < 1021 && (window->dst_h >= window->src_h /2))
- window->interlaced_uv = 0;
- else
- window->interlaced_uv = 1;
- }
- else {
- itv->yuv_info.frame_interlaced = 1;
- window->interlaced_y = 1;
- window->interlaced_uv = 1;
- }
- break;
-
- case IVTV_YUV_MODE_INTERLACED: /* Interlace mode */
- default:
- itv->yuv_info.frame_interlaced = 1;
- window->interlaced_y = 1;
- window->interlaced_uv = 1;
- break;
- }
-
/* Sorry, but no negative coords for src */
- if (window->src_x < 0) window->src_x = 0;
- if (window->src_y < 0) window->src_y = 0;
+ if (f->src_x < 0)
+ f->src_x = 0;
+ if (f->src_y < 0)
+ f->src_y = 0;
/* Can only reduce width down to 1/4 original size */
- if ((osd_crop = window->src_w - ( 4 * window->dst_w )) > 0) {
- window->src_x += osd_crop / 2;
- window->src_w = (window->src_w - osd_crop) & ~3;
- window->dst_w = window->src_w / 4;
- window->dst_w += window->dst_w & 1;
+ if ((osd_crop = f->src_w - 4 * f->dst_w) > 0) {
+ f->src_x += osd_crop / 2;
+ f->src_w = (f->src_w - osd_crop) & ~3;
+ f->dst_w = f->src_w / 4;
+ f->dst_w += f->dst_w & 1;
}
/* Can only reduce height down to 1/4 original size */
- if (window->src_h / window->dst_h >= 2) {
- /* Overflow may be because we're running progressive, so force mode switch */
- window->interlaced_y = 1;
+ if (f->src_h / f->dst_h >= 2) {
+ /* Overflow may be because we're running progressive,
+ so force mode switch */
+ f->interlaced_y = 1;
/* Make sure we're still within limits for interlace */
- if ((osd_crop = window->src_h - ( 4 * window->dst_h )) > 0) {
+ if ((osd_crop = f->src_h - 4 * f->dst_h) > 0) {
/* If we reach here we'll have to force the height. */
- window->src_y += osd_crop / 2;
- window->src_h = (window->src_h - osd_crop) & ~3;
- window->dst_h = window->src_h / 4;
- window->dst_h += window->dst_h & 1;
+ f->src_y += osd_crop / 2;
+ f->src_h = (f->src_h - osd_crop) & ~3;
+ f->dst_h = f->src_h / 4;
+ f->dst_h += f->dst_h & 1;
}
}
/* If there's nothing to safe to display, we may as well stop now */
- if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) {
+ if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||
+ (int)f->src_w <= 2 || (int)f->src_h <= 2) {
return IVTV_YUV_UPDATE_INVALID;
}
/* Ensure video remains inside OSD area */
- osd_scale = (window->src_h << 16) / window->dst_h;
+ osd_scale = (f->src_h << 16) / f->dst_h;
- if ((osd_crop = window->pan_y - window->dst_y) > 0) {
+ if ((osd_crop = f->pan_y - f->dst_y) > 0) {
/* Falls off the upper edge - crop */
- window->src_y += (osd_scale * osd_crop) >> 16;
- window->src_h -= (osd_scale * osd_crop) >> 16;
- window->dst_h -= osd_crop;
- window->dst_y = 0;
- }
- else {
- window->dst_y -= window->pan_y;
+ f->src_y += (osd_scale * osd_crop) >> 16;
+ f->src_h -= (osd_scale * osd_crop) >> 16;
+ f->dst_h -= osd_crop;
+ f->dst_y = 0;
+ } else {
+ f->dst_y -= f->pan_y;
}
- if ((osd_crop = window->dst_h + window->dst_y - window->vis_h) > 0) {
+ if ((osd_crop = f->dst_h + f->dst_y - f->vis_h) > 0) {
/* Falls off the lower edge - crop */
- window->dst_h -= osd_crop;
- window->src_h -= (osd_scale * osd_crop) >> 16;
+ f->dst_h -= osd_crop;
+ f->src_h -= (osd_scale * osd_crop) >> 16;
}
- osd_scale = (window->src_w << 16) / window->dst_w;
+ osd_scale = (f->src_w << 16) / f->dst_w;
- if ((osd_crop = window->pan_x - window->dst_x) > 0) {
+ if ((osd_crop = f->pan_x - f->dst_x) > 0) {
/* Fall off the left edge - crop */
- window->src_x += (osd_scale * osd_crop) >> 16;
- window->src_w -= (osd_scale * osd_crop) >> 16;
- window->dst_w -= osd_crop;
- window->dst_x = 0;
- }
- else {
- window->dst_x -= window->pan_x;
+ f->src_x += (osd_scale * osd_crop) >> 16;
+ f->src_w -= (osd_scale * osd_crop) >> 16;
+ f->dst_w -= osd_crop;
+ f->dst_x = 0;
+ } else {
+ f->dst_x -= f->pan_x;
}
- if ((osd_crop = window->dst_w + window->dst_x - window->vis_w) > 0) {
+ if ((osd_crop = f->dst_w + f->dst_x - f->vis_w) > 0) {
/* Falls off the right edge - crop */
- window->dst_w -= osd_crop;
- window->src_w -= (osd_scale * osd_crop) >> 16;
+ f->dst_w -= osd_crop;
+ f->src_w -= (osd_scale * osd_crop) >> 16;
}
/* The OSD can be moved. Track to it */
- window->dst_x += itv->yuv_info.osd_x_offset;
- window->dst_y += itv->yuv_info.osd_y_offset;
+ f->dst_x += itv->yuv_info.osd_x_offset;
+ f->dst_y += itv->yuv_info.osd_y_offset;
/* Width & height for both src & dst must be even.
Same for coordinates. */
- window->dst_w &= ~1;
- window->dst_x &= ~1;
+ f->dst_w &= ~1;
+ f->dst_x &= ~1;
- window->src_w += window->src_x & 1;
- window->src_x &= ~1;
+ f->src_w += f->src_x & 1;
+ f->src_x &= ~1;
- window->src_w &= ~1;
- window->dst_w &= ~1;
+ f->src_w &= ~1;
+ f->dst_w &= ~1;
- window->dst_h &= ~1;
- window->dst_y &= ~1;
+ f->dst_h &= ~1;
+ f->dst_y &= ~1;
- window->src_h += window->src_y & 1;
- window->src_y &= ~1;
+ f->src_h += f->src_y & 1;
+ f->src_y &= ~1;
- window->src_h &= ~1;
- window->dst_h &= ~1;
+ f->src_h &= ~1;
+ f->dst_h &= ~1;
- /* Due to rounding, we may have reduced the output size to <1/4 of the source
- Check again, but this time just resize. Don't change source coordinates */
- if (window->dst_w < window->src_w / 4) {
- window->src_w &= ~3;
- window->dst_w = window->src_w / 4;
- window->dst_w += window->dst_w & 1;
+ /* Due to rounding, we may have reduced the output size to <1/4 of
+ the source. Check again, but this time just resize. Don't change
+ source coordinates */
+ if (f->dst_w < f->src_w / 4) {
+ f->src_w &= ~3;
+ f->dst_w = f->src_w / 4;
+ f->dst_w += f->dst_w & 1;
}
- if (window->dst_h < window->src_h / 4) {
- window->src_h &= ~3;
- window->dst_h = window->src_h / 4;
- window->dst_h += window->dst_h & 1;
+ if (f->dst_h < f->src_h / 4) {
+ f->src_h &= ~3;
+ f->dst_h = f->src_h / 4;
+ f->dst_h += f->dst_h & 1;
}
/* Check again. If there's nothing to safe to display, stop now */
- if ((int)window->dst_w <= 2 || (int)window->dst_h <= 2 || (int)window->src_w <= 2 || (int)window->src_h <= 2) {
+ if ((int)f->dst_w <= 2 || (int)f->dst_h <= 2 ||
+ (int)f->src_w <= 2 || (int)f->src_h <= 2) {
return IVTV_YUV_UPDATE_INVALID;
}
/* Both x offset & width are linked, so they have to be done together */
- if ((itv->yuv_info.old_frame_info.dst_w != window->dst_w) ||
- (itv->yuv_info.old_frame_info.src_w != window->src_w) ||
- (itv->yuv_info.old_frame_info.dst_x != window->dst_x) ||
- (itv->yuv_info.old_frame_info.src_x != window->src_x) ||
- (itv->yuv_info.old_frame_info.pan_x != window->pan_x) ||
- (itv->yuv_info.old_frame_info.vis_w != window->vis_w)) {
+ if ((of->dst_w != f->dst_w) || (of->src_w != f->src_w) ||
+ (of->dst_x != f->dst_x) || (of->src_x != f->src_x) ||
+ (of->pan_x != f->pan_x) || (of->vis_w != f->vis_w)) {
yuv_update |= IVTV_YUV_UPDATE_HORIZONTAL;
}
- if ((itv->yuv_info.old_frame_info.src_h != window->src_h) ||
- (itv->yuv_info.old_frame_info.dst_h != window->dst_h) ||
- (itv->yuv_info.old_frame_info.dst_y != window->dst_y) ||
- (itv->yuv_info.old_frame_info.src_y != window->src_y) ||
- (itv->yuv_info.old_frame_info.pan_y != window->pan_y) ||
- (itv->yuv_info.old_frame_info.vis_h != window->vis_h) ||
- (itv->yuv_info.old_frame_info.lace_mode != window->lace_mode) ||
- (itv->yuv_info.old_frame_info.interlaced_y != window->interlaced_y) ||
- (itv->yuv_info.old_frame_info.interlaced_uv != window->interlaced_uv)) {
+ if ((of->src_h != f->src_h) || (of->dst_h != f->dst_h) ||
+ (of->dst_y != f->dst_y) || (of->src_y != f->src_y) ||
+ (of->pan_y != f->pan_y) || (of->vis_h != f->vis_h) ||
+ (of->lace_mode != f->lace_mode) ||
+ (of->interlaced_y != f->interlaced_y) ||
+ (of->interlaced_uv != f->interlaced_uv)) {
yuv_update |= IVTV_YUV_UPDATE_VERTICAL;
}
}
/* Update the scaling register to the requested value */
-void ivtv_yuv_work_handler (struct ivtv *itv)
+void ivtv_yuv_work_handler(struct ivtv *itv)
{
- struct yuv_frame_info window;
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ struct yuv_frame_info f;
+ int frame = yi->update_frame;
u32 yuv_update;
- int frame = itv->yuv_info.update_frame;
-
-/* IVTV_DEBUG_YUV("Update yuv registers for frame %d\n",frame); */
- memcpy(&window, &itv->yuv_info.new_frame_info[frame], sizeof (window));
+ IVTV_DEBUG_YUV("Update yuv registers for frame %d\n", frame);
+ f = yi->new_frame_info[frame];
/* Update the osd pan info */
- window.pan_x = itv->yuv_info.osd_x_pan;
- window.pan_y = itv->yuv_info.osd_y_pan;
- window.vis_w = itv->yuv_info.osd_vis_w;
- window.vis_h = itv->yuv_info.osd_vis_h;
+ f.pan_x = yi->osd_x_pan;
+ f.pan_y = yi->osd_y_pan;
+ f.vis_w = yi->osd_vis_w;
+ f.vis_h = yi->osd_vis_h;
/* Calculate the display window coordinates. Exit if nothing left */
- if (!(yuv_update = ivtv_yuv_window_setup (itv, &window)))
+ if (!(yuv_update = ivtv_yuv_window_setup(itv, &f)))
return;
if (yuv_update & IVTV_YUV_UPDATE_INVALID) {
write_reg(0x00108080, 0x2898);
if (yuv_update & IVTV_YUV_UPDATE_HORIZONTAL)
- ivtv_yuv_handle_horizontal(itv, &window);
+ ivtv_yuv_handle_horizontal(itv, &f);
if (yuv_update & IVTV_YUV_UPDATE_VERTICAL)
- ivtv_yuv_handle_vertical(itv, &window);
+ ivtv_yuv_handle_vertical(itv, &f);
}
-
- memcpy(&itv->yuv_info.old_frame_info, &window, sizeof (itv->yuv_info.old_frame_info));
+ yi->old_frame_info = f;
}
-static void ivtv_yuv_init (struct ivtv *itv)
+static void ivtv_yuv_init(struct ivtv *itv)
{
struct yuv_playback_info *yi = &itv->yuv_info;
if (!yi->osd_vis_w)
yi->osd_vis_w = 720 - yi->osd_x_offset;
- if (!yi->osd_vis_h)
+ if (!yi->osd_vis_h) {
yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
- else {
+ } else if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) {
/* If output video standard has changed, requested height may
- not be legal */
- if (yi->osd_vis_h + yi->osd_y_offset > yi->decode_height) {
- IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n",
- yi->osd_vis_h + yi->osd_y_offset,
- yi->decode_height);
- yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
- }
+ not be legal */
+ IVTV_DEBUG_WARN("Clipping yuv output - fb size (%d) exceeds video standard limit (%d)\n",
+ yi->osd_vis_h + yi->osd_y_offset,
+ yi->decode_height);
+ yi->osd_vis_h = yi->decode_height - yi->osd_y_offset;
}
}
/* We need a buffer for blanking when Y plane is offset - non-fatal if we can't get one */
- yi->blanking_ptr = kzalloc(720*16, GFP_KERNEL);
- if (yi->blanking_ptr)
+ yi->blanking_ptr = kzalloc(720 * 16, GFP_KERNEL);
+ if (yi->blanking_ptr) {
yi->blanking_dmaptr = pci_map_single(itv->dev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);
- else {
+ } else {
yi->blanking_dmaptr = 0;
IVTV_DEBUG_WARN("Failed to allocate yuv blanking buffer\n");
}
atomic_set(&yi->next_dma_frame, 0);
}
-int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
+/* Get next available yuv buffer on PVR350 */
+void ivtv_yuv_next_free(struct ivtv *itv)
{
- DEFINE_WAIT(wait);
- int rc = 0;
- int got_sig = 0;
- int frame, next_fill_frame, last_fill_frame;
- int register_update = 0;
+ int draw, display;
+ struct yuv_playback_info *yi = &itv->yuv_info;
- IVTV_DEBUG_INFO("yuv_prep_frame\n");
+ if (atomic_read(&yi->next_dma_frame) == -1)
+ ivtv_yuv_init(itv);
- if (atomic_read(&itv->yuv_info.next_dma_frame) == -1) ivtv_yuv_init(itv);
+ draw = atomic_read(&yi->next_fill_frame);
+ display = atomic_read(&yi->next_dma_frame);
- frame = atomic_read(&itv->yuv_info.next_fill_frame);
- next_fill_frame = (frame + 1) & 0x3;
- last_fill_frame = (atomic_read(&itv->yuv_info.next_dma_frame)+1) & 0x3;
+ if (display > draw)
+ display -= IVTV_YUV_BUFFERS;
- if (next_fill_frame != last_fill_frame && last_fill_frame != frame) {
- /* Buffers are full - Overwrite the last frame */
- next_fill_frame = frame;
- frame = (frame - 1) & 3;
- register_update = itv->yuv_info.new_frame_info[frame].update;
- }
+ if (draw - display >= yi->max_frames_buffered)
+ draw = (u8)(draw - 1) % IVTV_YUV_BUFFERS;
+ else
+ yi->new_frame_info[draw].update = 0;
+
+ yi->draw_frame = draw;
+}
+
+/* Set up frame according to ivtv_dma_frame parameters */
+void ivtv_yuv_setup_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
+{
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ u8 frame = yi->draw_frame;
+ u8 last_frame = (u8)(frame - 1) % IVTV_YUV_BUFFERS;
+ struct yuv_frame_info *nf = &yi->new_frame_info[frame];
+ struct yuv_frame_info *of = &yi->new_frame_info[last_frame];
+ int lace_threshold = yi->lace_threshold;
+
+ /* Preserve old update flag in case we're overwriting a queued frame */
+ int update = nf->update;
/* Take a snapshot of the yuv coordinate information */
- itv->yuv_info.new_frame_info[frame].src_x = args->src.left;
- itv->yuv_info.new_frame_info[frame].src_y = args->src.top;
- itv->yuv_info.new_frame_info[frame].src_w = args->src.width;
- itv->yuv_info.new_frame_info[frame].src_h = args->src.height;
- itv->yuv_info.new_frame_info[frame].dst_x = args->dst.left;
- itv->yuv_info.new_frame_info[frame].dst_y = args->dst.top;
- itv->yuv_info.new_frame_info[frame].dst_w = args->dst.width;
- itv->yuv_info.new_frame_info[frame].dst_h = args->dst.height;
- itv->yuv_info.new_frame_info[frame].tru_x = args->dst.left;
- itv->yuv_info.new_frame_info[frame].tru_w = args->src_width;
- itv->yuv_info.new_frame_info[frame].tru_h = args->src_height;
-
- /* Snapshot field order */
- itv->yuv_info.sync_field[frame] = itv->yuv_info.lace_sync_field;
+ nf->src_x = args->src.left;
+ nf->src_y = args->src.top;
+ nf->src_w = args->src.width;
+ nf->src_h = args->src.height;
+ nf->dst_x = args->dst.left;
+ nf->dst_y = args->dst.top;
+ nf->dst_w = args->dst.width;
+ nf->dst_h = args->dst.height;
+ nf->tru_x = args->dst.left;
+ nf->tru_w = args->src_width;
+ nf->tru_h = args->src_height;
/* Are we going to offset the Y plane */
- if (args->src.height + args->src.top < 512-16)
- itv->yuv_info.new_frame_info[frame].offset_y = 1;
- else
- itv->yuv_info.new_frame_info[frame].offset_y = 0;
+ nf->offset_y = (nf->tru_h + nf->src_x < 512 - 16) ? 1 : 0;
/* Snapshot the osd pan info */
- itv->yuv_info.new_frame_info[frame].pan_x = itv->yuv_info.osd_x_pan;
- itv->yuv_info.new_frame_info[frame].pan_y = itv->yuv_info.osd_y_pan;
- itv->yuv_info.new_frame_info[frame].vis_w = itv->yuv_info.osd_vis_w;
- itv->yuv_info.new_frame_info[frame].vis_h = itv->yuv_info.osd_vis_h;
-
- itv->yuv_info.new_frame_info[frame].update = 0;
- itv->yuv_info.new_frame_info[frame].interlaced_y = 0;
- itv->yuv_info.new_frame_info[frame].interlaced_uv = 0;
- itv->yuv_info.new_frame_info[frame].lace_mode = itv->yuv_info.lace_mode;
-
- if (memcmp (&itv->yuv_info.old_frame_info_args, &itv->yuv_info.new_frame_info[frame],
- sizeof (itv->yuv_info.new_frame_info[frame]))) {
- memcpy(&itv->yuv_info.old_frame_info_args, &itv->yuv_info.new_frame_info[frame], sizeof (itv->yuv_info.old_frame_info_args));
- itv->yuv_info.new_frame_info[frame].update = 1;
-/* IVTV_DEBUG_YUV ("Requesting register update for frame %d\n",frame); */
+ nf->pan_x = yi->osd_x_pan;
+ nf->pan_y = yi->osd_y_pan;
+ nf->vis_w = yi->osd_vis_w;
+ nf->vis_h = yi->osd_vis_h;
+
+ nf->update = 0;
+ nf->interlaced_y = 0;
+ nf->interlaced_uv = 0;
+ nf->delay = 0;
+ nf->sync_field = 0;
+ nf->lace_mode = yi->lace_mode & IVTV_YUV_MODE_MASK;
+
+ if (lace_threshold < 0)
+ lace_threshold = yi->decode_height - 1;
+
+ /* Work out the lace settings */
+ switch (nf->lace_mode) {
+ case IVTV_YUV_MODE_PROGRESSIVE: /* Progressive mode */
+ nf->interlaced = 0;
+ if (nf->tru_h < 512 || (nf->tru_h > 576 && nf->tru_h < 1021))
+ nf->interlaced_y = 0;
+ else
+ nf->interlaced_y = 1;
+
+ if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))
+ nf->interlaced_uv = 0;
+ else
+ nf->interlaced_uv = 1;
+ break;
+
+ case IVTV_YUV_MODE_AUTO:
+ if (nf->tru_h <= lace_threshold || nf->tru_h > 576 || nf->tru_w > 720) {
+ nf->interlaced = 0;
+ if ((nf->tru_h < 512) ||
+ (nf->tru_h > 576 && nf->tru_h < 1021) ||
+ (nf->tru_w > 720 && nf->tru_h < 1021))
+ nf->interlaced_y = 0;
+ else
+ nf->interlaced_y = 1;
+ if (nf->tru_h < 1021 && (nf->dst_h >= nf->src_h / 2))
+ nf->interlaced_uv = 0;
+ else
+ nf->interlaced_uv = 1;
+ } else {
+ nf->interlaced = 1;
+ nf->interlaced_y = 1;
+ nf->interlaced_uv = 1;
+ }
+ break;
+
+ case IVTV_YUV_MODE_INTERLACED: /* Interlace mode */
+ default:
+ nf->interlaced = 1;
+ nf->interlaced_y = 1;
+ nf->interlaced_uv = 1;
+ break;
}
- itv->yuv_info.new_frame_info[frame].update |= register_update;
+ if (memcmp(&yi->old_frame_info_args, nf, sizeof(*nf))) {
+ yi->old_frame_info_args = *nf;
+ nf->update = 1;
+ IVTV_DEBUG_YUV("Requesting reg update for frame %d\n", frame);
+ }
- /* Should this frame be delayed ? */
- if (itv->yuv_info.sync_field[frame] != itv->yuv_info.sync_field[(frame - 1) & 3])
- itv->yuv_info.field_delay[frame] = 1;
- else
- itv->yuv_info.field_delay[frame] = 0;
+ nf->update |= update;
+ nf->sync_field = yi->lace_sync_field;
+ nf->delay = nf->sync_field != of->sync_field;
+}
+/* Frame is complete & ready for display */
+void ivtv_yuv_frame_complete(struct ivtv *itv)
+{
+ atomic_set(&itv->yuv_info.next_fill_frame,
+ (itv->yuv_info.draw_frame + 1) % IVTV_YUV_BUFFERS);
+}
+
+int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
+{
+ DEFINE_WAIT(wait);
+ int rc = 0;
+ int got_sig = 0;
/* DMA the frame */
mutex_lock(&itv->udma.lock);
ivtv_udma_prepare(itv);
prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);
/* if no UDMA is pending and no UDMA is in progress, then the DMA
- is finished */
+ is finished */
while (itv->i_flags & (IVTV_F_I_UDMA_PENDING | IVTV_F_I_UDMA)) {
/* don't interrupt if the DMA is in progress but break off
- a still pending DMA. */
+ a still pending DMA. */
got_sig = signal_pending(current);
if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags))
break;
return -EINTR;
}
- atomic_set(&itv->yuv_info.next_fill_frame, next_fill_frame);
+ ivtv_yuv_frame_complete(itv);
mutex_unlock(&itv->udma.lock);
return rc;
}
+/* Setup frame according to V4L2 parameters */
+void ivtv_yuv_setup_stream_frame(struct ivtv *itv)
+{
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ struct ivtv_dma_frame dma_args;
+
+ ivtv_yuv_next_free(itv);
+
+ /* Copy V4L2 parameters to an ivtv_dma_frame struct... */
+ dma_args.y_source = 0L;
+ dma_args.uv_source = 0L;
+ dma_args.src.left = 0;
+ dma_args.src.top = 0;
+ dma_args.src.width = yi->v4l2_src_w;
+ dma_args.src.height = yi->v4l2_src_h;
+ dma_args.dst = yi->main_rect;
+ dma_args.src_width = yi->v4l2_src_w;
+ dma_args.src_height = yi->v4l2_src_h;
+
+ /* ... and use the same setup routine as ivtv_yuv_prep_frame */
+ ivtv_yuv_setup_frame(itv, &dma_args);
+
+ if (!itv->dma_data_req_offset)
+ itv->dma_data_req_offset = yuv_offset[yi->draw_frame];
+}
+
+/* Attempt to dma a frame from a user buffer */
+int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void *src)
+{
+ struct yuv_playback_info *yi = &itv->yuv_info;
+ struct ivtv_dma_frame dma_args;
+
+ ivtv_yuv_setup_stream_frame(itv);
+
+ /* We only need to supply source addresses for this */
+ dma_args.y_source = src;
+ dma_args.uv_source = src + 720 * ((yi->v4l2_src_h + 31) & ~31);
+ return ivtv_yuv_udma_frame(itv, &dma_args);
+}
+
+/* IVTV_IOC_DMA_FRAME ioctl handler */
+int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args)
+{
+/* IVTV_DEBUG_INFO("yuv_prep_frame\n"); */
+
+ ivtv_yuv_next_free(itv);
+ ivtv_yuv_setup_frame(itv, args);
+ return ivtv_yuv_udma_frame(itv, args);
+}
+
void ivtv_yuv_close(struct ivtv *itv)
{
+ struct yuv_playback_info *yi = &itv->yuv_info;
int h_filter, v_filter_1, v_filter_2;
IVTV_DEBUG_YUV("ivtv_yuv_close\n");
ivtv_waitq(&itv->vsync_waitq);
- atomic_set(&itv->yuv_info.next_dma_frame, -1);
- atomic_set(&itv->yuv_info.next_fill_frame, 0);
+ atomic_set(&yi->next_dma_frame, -1);
+ atomic_set(&yi->next_fill_frame, 0);
/* Reset registers we have changed so mpeg playback works */
/* If we fully restore this register, the display may remain active.
Restore, but set one bit to blank the video. Firmware will always
clear this bit when needed, so not a problem. */
- write_reg(itv->yuv_info.reg_2898 | 0x01000000, 0x2898);
-
- write_reg(itv->yuv_info.reg_2834, 0x02834);
- write_reg(itv->yuv_info.reg_2838, 0x02838);
- write_reg(itv->yuv_info.reg_283c, 0x0283c);
- write_reg(itv->yuv_info.reg_2840, 0x02840);
- write_reg(itv->yuv_info.reg_2844, 0x02844);
- write_reg(itv->yuv_info.reg_2848, 0x02848);
- write_reg(itv->yuv_info.reg_2854, 0x02854);
- write_reg(itv->yuv_info.reg_285c, 0x0285c);
- write_reg(itv->yuv_info.reg_2864, 0x02864);
- write_reg(itv->yuv_info.reg_2870, 0x02870);
- write_reg(itv->yuv_info.reg_2874, 0x02874);
- write_reg(itv->yuv_info.reg_2890, 0x02890);
- write_reg(itv->yuv_info.reg_289c, 0x0289c);
-
- write_reg(itv->yuv_info.reg_2918, 0x02918);
- write_reg(itv->yuv_info.reg_291c, 0x0291c);
- write_reg(itv->yuv_info.reg_2920, 0x02920);
- write_reg(itv->yuv_info.reg_2924, 0x02924);
- write_reg(itv->yuv_info.reg_2928, 0x02928);
- write_reg(itv->yuv_info.reg_292c, 0x0292c);
- write_reg(itv->yuv_info.reg_2930, 0x02930);
- write_reg(itv->yuv_info.reg_2934, 0x02934);
- write_reg(itv->yuv_info.reg_2938, 0x02938);
- write_reg(itv->yuv_info.reg_293c, 0x0293c);
- write_reg(itv->yuv_info.reg_2940, 0x02940);
- write_reg(itv->yuv_info.reg_2944, 0x02944);
- write_reg(itv->yuv_info.reg_2948, 0x02948);
- write_reg(itv->yuv_info.reg_294c, 0x0294c);
- write_reg(itv->yuv_info.reg_2950, 0x02950);
- write_reg(itv->yuv_info.reg_2954, 0x02954);
- write_reg(itv->yuv_info.reg_2958, 0x02958);
- write_reg(itv->yuv_info.reg_295c, 0x0295c);
- write_reg(itv->yuv_info.reg_2960, 0x02960);
- write_reg(itv->yuv_info.reg_2964, 0x02964);
- write_reg(itv->yuv_info.reg_2968, 0x02968);
- write_reg(itv->yuv_info.reg_296c, 0x0296c);
- write_reg(itv->yuv_info.reg_2970, 0x02970);
+ write_reg(yi->reg_2898 | 0x01000000, 0x2898);
+
+ write_reg(yi->reg_2834, 0x02834);
+ write_reg(yi->reg_2838, 0x02838);
+ write_reg(yi->reg_283c, 0x0283c);
+ write_reg(yi->reg_2840, 0x02840);
+ write_reg(yi->reg_2844, 0x02844);
+ write_reg(yi->reg_2848, 0x02848);
+ write_reg(yi->reg_2854, 0x02854);
+ write_reg(yi->reg_285c, 0x0285c);
+ write_reg(yi->reg_2864, 0x02864);
+ write_reg(yi->reg_2870, 0x02870);
+ write_reg(yi->reg_2874, 0x02874);
+ write_reg(yi->reg_2890, 0x02890);
+ write_reg(yi->reg_289c, 0x0289c);
+
+ write_reg(yi->reg_2918, 0x02918);
+ write_reg(yi->reg_291c, 0x0291c);
+ write_reg(yi->reg_2920, 0x02920);
+ write_reg(yi->reg_2924, 0x02924);
+ write_reg(yi->reg_2928, 0x02928);
+ write_reg(yi->reg_292c, 0x0292c);
+ write_reg(yi->reg_2930, 0x02930);
+ write_reg(yi->reg_2934, 0x02934);
+ write_reg(yi->reg_2938, 0x02938);
+ write_reg(yi->reg_293c, 0x0293c);
+ write_reg(yi->reg_2940, 0x02940);
+ write_reg(yi->reg_2944, 0x02944);
+ write_reg(yi->reg_2948, 0x02948);
+ write_reg(yi->reg_294c, 0x0294c);
+ write_reg(yi->reg_2950, 0x02950);
+ write_reg(yi->reg_2954, 0x02954);
+ write_reg(yi->reg_2958, 0x02958);
+ write_reg(yi->reg_295c, 0x0295c);
+ write_reg(yi->reg_2960, 0x02960);
+ write_reg(yi->reg_2964, 0x02964);
+ write_reg(yi->reg_2968, 0x02968);
+ write_reg(yi->reg_296c, 0x0296c);
+ write_reg(yi->reg_2970, 0x02970);
/* Prepare to restore filters */
/* First the horizontal filter */
- if ((itv->yuv_info.reg_2834 & 0x0000FFFF) == (itv->yuv_info.reg_2834 >> 16)) {
+ if ((yi->reg_2834 & 0x0000FFFF) == (yi->reg_2834 >> 16)) {
/* An exact size match uses filter 0 */
h_filter = 0;
- }
- else {
+ } else {
/* Figure out which filter to use */
- h_filter = ((itv->yuv_info.reg_2834 << 16) / (itv->yuv_info.reg_2834 >> 16)) >> 15;
+ h_filter = ((yi->reg_2834 << 16) / (yi->reg_2834 >> 16)) >> 15;
h_filter = (h_filter >> 1) + (h_filter & 1);
/* Only an exact size match can use filter 0. */
- if (h_filter < 1) h_filter = 1;
+ h_filter += !h_filter;
}
/* Now the vertical filter */
- if ((itv->yuv_info.reg_2918 & 0x0000FFFF) == (itv->yuv_info.reg_2918 >> 16)) {
+ if ((yi->reg_2918 & 0x0000FFFF) == (yi->reg_2918 >> 16)) {
/* An exact size match uses filter 0/1 */
v_filter_1 = 0;
v_filter_2 = 1;
- }
- else {
+ } else {
/* Figure out which filter to use */
- v_filter_1 = ((itv->yuv_info.reg_2918 << 16) / (itv->yuv_info.reg_2918 >> 16)) >> 15;
+ v_filter_1 = ((yi->reg_2918 << 16) / (yi->reg_2918 >> 16)) >> 15;
v_filter_1 = (v_filter_1 >> 1) + (v_filter_1 & 1);
/* Only an exact size match can use filter 0 */
- if (v_filter_1 == 0) v_filter_1 = 1;
+ v_filter_1 += !v_filter_1;
v_filter_2 = v_filter_1;
}
/* Now restore the filters */
- ivtv_yuv_filter (itv,h_filter,v_filter_1,v_filter_2);
+ ivtv_yuv_filter(itv, h_filter, v_filter_1, v_filter_2);
/* and clear a few registers */
write_reg(0, 0x02814);
write_reg(0, 0x02910);
/* Release the blanking buffer */
- if (itv->yuv_info.blanking_ptr) {
- kfree (itv->yuv_info.blanking_ptr);
- itv->yuv_info.blanking_ptr = NULL;
- pci_unmap_single(itv->dev, itv->yuv_info.blanking_dmaptr, 720*16, PCI_DMA_TODEVICE);
+ if (yi->blanking_ptr) {
+ kfree(yi->blanking_ptr);
+ yi->blanking_ptr = NULL;
+ pci_unmap_single(itv->dev, yi->blanking_dmaptr, 720*16, PCI_DMA_TODEVICE);
}
/* Invalidate the old dimension information */
- itv->yuv_info.old_frame_info.src_w = 0;
- itv->yuv_info.old_frame_info.src_h = 0;
- itv->yuv_info.old_frame_info_args.src_w = 0;
- itv->yuv_info.old_frame_info_args.src_h = 0;
+ yi->old_frame_info.src_w = 0;
+ yi->old_frame_info.src_h = 0;
+ yi->old_frame_info_args.src_w = 0;
+ yi->old_frame_info_args.src_h = 0;
/* All done. */
clear_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags);
}
-
projects / linux-flexiantxendom0-3.2.10.git / blobdiff