/* ============== SAA7715 VIDEO templates ============= */
-/* Used on saa7114 and saa7115 */
-static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
- /* hsize = 0x2d0 = 720 */
- R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
- R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
-
- /* Why not in 60hz-Land, too? */
- R_D0_B_HORIZ_PRESCALING, 0x01, /* downscale = 1 */
- /* hor lum scaling 0x0400 = 1 */
- R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00,
- R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04,
-
- /* must be hor lum scaling / 2 */
- R_DC_B_HORIZ_CHROMA_SCALING, 0x00,
- R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02,
-
- 0x00, 0x00
-};
-
-/* Used on saa7114 and saa7115 */
-static const unsigned char saa7115_cfg_60hz_fullres_y[] = {
- /* output window size = 248 (but 60hz is 240?) */
- R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, 0xf8,
- R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00,
-
- /* Why not in 60hz-Land, too? */
- R_D5_B_LUMA_CONTRAST_CNTL, 0x40, /* Lum contrast, nominal value = 0x40 */
- R_D6_B_CHROMA_SATURATION_CNTL, 0x40, /* Chroma satur. nominal value = 0x80 */
-
- R_E0_B_VERT_LUMA_SCALING_INC, 0x00,
- R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04,
-
- R_E2_B_VERT_CHROMA_SCALING_INC, 0x00,
- R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04,
-
- 0x00, 0x00
-};
-
static const unsigned char saa7115_cfg_60hz_video[] = {
R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
0x00, 0x00
};
-static const unsigned char saa7115_cfg_50hz_fullres_x[] = {
- /* hsize low (output), 720 same as 60hz */
- R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
- R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
-
- R_D0_B_HORIZ_PRESCALING, 0x01, /* down scale = 1 */
- R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00, /* hor lum scaling 0x0400 = 1 */
- R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04,
-
- /* must be hor lum scaling / 2 */
- R_DC_B_HORIZ_CHROMA_SCALING, 0x00,
- R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02,
-
- 0x00, 0x00
-};
-static const unsigned char saa7115_cfg_50hz_fullres_y[] = {
- /* vsize low (output), 0x0120 = 288 */
- R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, 0x20,
- R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x01,
-
- R_D5_B_LUMA_CONTRAST_CNTL, 0x40, /* Lum contrast, nominal value = 0x40 */
- R_D6_B_CHROMA_SATURATION_CNTL, 0x40, /* Chroma satur. nominal value = 0x80 */
-
- R_E0_B_VERT_LUMA_SCALING_INC, 0x00,
- R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04,
-
- R_E2_B_VERT_CHROMA_SCALING_INC, 0x00,
- R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04,
-
- 0x00, 0x00
-};
-
static const unsigned char saa7115_cfg_50hz_video[] = {
R_80_GLOBAL_CNTL_1, 0x00,
R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
011 NTSC N (3.58MHz) PAL M (3.58MHz)
100 reserved NTSC-Japan (3.58MHz)
*/
+ state->std = std;
+
if (state->ident == V4L2_IDENT_SAA7111 ||
state->ident == V4L2_IDENT_SAA7113) {
u8 reg = saa711x_read(client, R_0E_CHROMA_CNTL_1) & 0x8f;
/* switch audio mode too! */
saa711x_set_audio_clock_freq(client, state->audclk_freq);
}
-
- state->std = std;
}
static v4l2_std_id saa711x_get_v4lstd(struct i2c_client *client)
return 0;
}
-static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+static int saa711x_set_size(struct i2c_client *client, int width, int height)
{
struct saa711x_state *state = i2c_get_clientdata(client);
- struct v4l2_pix_format *pix;
int HPSC, HFSC;
int VSCY;
+ int res;
int is_50hz = state->std & V4L2_STD_625_50;
int Vsrc = is_50hz ? 576 : 480;
- if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
- saa711x_set_lcr(client, &fmt->fmt.sliced);
- return 0;
- }
- if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- pix = &(fmt->fmt.pix);
-
- v4l_dbg(1, debug, client, "decoder set size\n");
+ v4l_dbg(1, debug, client, "decoder set size to %ix%i\n",width,height);
/* FIXME need better bounds checking here */
- if ((pix->width < 1) || (pix->width > 1440))
+ if ((width < 1) || (width > 1440))
return -EINVAL;
- if ((pix->height < 1) || (pix->height > 960))
+ if ((height < 1) || (height > 960))
return -EINVAL;
if (!saa711x_has_reg(state->ident,R_D0_B_HORIZ_PRESCALING)) {
/* Decoder only supports 720 columns and 480 or 576 lines */
- if (pix->width != 720)
+ if (width != 720)
return -EINVAL;
- if (pix->height != Vsrc)
+ if (height != Vsrc)
return -EINVAL;
}
+ if (!saa711x_has_reg(state->ident,R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH))
+ return 0;
/* probably have a valid size, let's set it */
/* Set output width/height */
/* width */
- if (!saa711x_has_reg(state->ident,R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH)) {
- saa711x_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
- (u8) (pix->width & 0xff));
- saa711x_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
- (u8) ((pix->width >> 8) & 0xff));
+ saa711x_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
+ (u8) (width & 0xff));
+ saa711x_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
+ (u8) ((width >> 8) & 0xff));
+
+ if (height == Vsrc) {
+ /*FIXME: This code seems weird, however, this is how it is
+ working right now.
+ */
+ res=height/2;
+ if (!is_50hz)
+ res+=8;
+ } else
+ res=height;
+
/* height */
- saa711x_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
- (u8) (pix->height & 0xff));
- saa711x_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
- (u8) ((pix->height >> 8) & 0xff));
- }
+ saa711x_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
+ (u8) (res & 0xff));
+ saa711x_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
+ (u8) (res & 0xff));
+
/* Scaling settings */
/* Hprescaler is floor(inres/outres) */
- /* FIXME hardcoding input res */
- if (pix->width != 720) {
- HPSC = (int)(720 / pix->width);
- /* 0 is not allowed (div. by zero) */
- HPSC = HPSC ? HPSC : 1;
- HFSC = (int)((1024 * 720) / (HPSC * pix->width));
-
- v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
- /* FIXME hardcodes to "Task B"
- * write H prescaler integer */
- saa711x_write(client, R_D0_B_HORIZ_PRESCALING,
- (u8) (HPSC & 0x3f));
-
- /* write H fine-scaling (luminance) */
- saa711x_write(client, R_D8_B_HORIZ_LUMA_SCALING_INC,
- (u8) (HFSC & 0xff));
- saa711x_write(client, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB,
- (u8) ((HFSC >> 8) & 0xff));
- /* write H fine-scaling (chrominance)
- * must be lum/2, so i'll just bitshift :) */
- saa711x_write(client, R_DC_B_HORIZ_CHROMA_SCALING,
- (u8) ((HFSC >> 1) & 0xff));
- saa711x_write(client, R_DD_B_HORIZ_CHROMA_SCALING_MSB,
- (u8) ((HFSC >> 9) & 0xff));
- } else {
- if (is_50hz) {
- v4l_dbg(1, debug, client, "Setting full 50hz width\n");
- saa711x_writeregs(client, saa7115_cfg_50hz_fullres_x);
- } else {
- v4l_dbg(1, debug, client, "Setting full 60hz width\n");
- saa711x_writeregs(client, saa7115_cfg_60hz_fullres_x);
- }
- }
-
- if (pix->height != Vsrc) {
- VSCY = (int)((1024 * Vsrc) / pix->height);
- v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
-
- /* Correct Contrast and Luminance */
- saa711x_write(client, R_D5_B_LUMA_CONTRAST_CNTL,
+ HPSC = (int)(720 / width);
+ /* 0 is not allowed (div. by zero) */
+ HPSC = HPSC ? HPSC : 1;
+ HFSC = (int)((1024 * 720) / (HPSC * width));
+ /* FIXME hardcodes to "Task B"
+ * write H prescaler integer */
+ saa711x_write(client, R_D0_B_HORIZ_PRESCALING,
+ (u8) (HPSC & 0x3f));
+
+ v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
+ /* write H fine-scaling (luminance) */
+ saa711x_write(client, R_D8_B_HORIZ_LUMA_SCALING_INC,
+ (u8) (HFSC & 0xff));
+ saa711x_write(client, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB,
+ (u8) ((HFSC >> 8) & 0xff));
+ /* write H fine-scaling (chrominance)
+ * must be lum/2, so i'll just bitshift :) */
+ saa711x_write(client, R_DC_B_HORIZ_CHROMA_SCALING,
+ (u8) ((HFSC >> 1) & 0xff));
+ saa711x_write(client, R_DD_B_HORIZ_CHROMA_SCALING_MSB,
+ (u8) ((HFSC >> 9) & 0xff));
+
+ VSCY = (int)((1024 * Vsrc) / height);
+ v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
+
+ /* Correct Contrast and Luminance */
+ saa711x_write(client, R_D5_B_LUMA_CONTRAST_CNTL,
(u8) (64 * 1024 / VSCY));
- saa711x_write(client, R_D6_B_CHROMA_SATURATION_CNTL,
+ saa711x_write(client, R_D6_B_CHROMA_SATURATION_CNTL,
(u8) (64 * 1024 / VSCY));
/* write V fine-scaling (luminance) */
- saa711x_write(client, R_E0_B_VERT_LUMA_SCALING_INC,
+ saa711x_write(client, R_E0_B_VERT_LUMA_SCALING_INC,
(u8) (VSCY & 0xff));
- saa711x_write(client, R_E1_B_VERT_LUMA_SCALING_INC_MSB,
+ saa711x_write(client, R_E1_B_VERT_LUMA_SCALING_INC_MSB,
(u8) ((VSCY >> 8) & 0xff));
/* write V fine-scaling (chrominance) */
- saa711x_write(client, R_E2_B_VERT_CHROMA_SCALING_INC,
+ saa711x_write(client, R_E2_B_VERT_CHROMA_SCALING_INC,
(u8) (VSCY & 0xff));
- saa711x_write(client, R_E3_B_VERT_CHROMA_SCALING_INC_MSB,
+ saa711x_write(client, R_E3_B_VERT_CHROMA_SCALING_INC_MSB,
(u8) ((VSCY >> 8) & 0xff));
- } else {
- if (is_50hz) {
- v4l_dbg(1, debug, client, "Setting full 50Hz height\n");
- saa711x_writeregs(client, saa7115_cfg_50hz_fullres_y);
- } else {
- v4l_dbg(1, debug, client, "Setting full 60hz height\n");
- saa711x_writeregs(client, saa7115_cfg_60hz_fullres_y);
- }
- }
saa711x_writeregs(client, saa7115_cfg_reset_scaler);
return 0;
}
+static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+{
+ if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
+ saa711x_set_lcr(client, &fmt->fmt.sliced);
+ return 0;
+ }
+ if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
+ return -EINVAL;
+
+ return saa711x_set_size(client,fmt->fmt.pix.width,fmt->fmt.pix.height);
+}
+
/* Decode the sliced VBI data stream as created by the saa7115.
The format is described in the saa7115 datasheet in Tables 25 and 26
and in Figure 33.
vbi->type = V4L2_SLICED_TELETEXT_B;
break;
case 4:
- if (!saa711x_odd_parity(p[0]) || !saa7115_odd_parity(p[1]))
+ if (!saa711x_odd_parity(p[0]) || !saa711x_odd_parity(p[1]))
return;
vbi->type = V4L2_SLICED_CAPTION_525;
break;
kfree(client);
return -ENOMEM;
}
- state->std = V4L2_STD_NTSC;
state->input = -1;
state->enable = 1;
state->radio = 0;
saa711x_writeregs(client, saa7115_init_auto_input);
}
saa711x_writeregs(client, saa7115_init_misc);
- saa711x_writeregs(client, saa7115_cfg_60hz_fullres_x);
- saa711x_writeregs(client, saa7115_cfg_60hz_fullres_y);
+ state->std = V4L2_STD_NTSC;
+ saa711x_set_size(client, 720, 480);
saa711x_writeregs(client, saa7115_cfg_60hz_video);
saa711x_set_audio_clock_freq(client, state->audclk_freq);
saa711x_writeregs(client, saa7115_cfg_reset_scaler);
i2c_attach_client(client);
v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
- saa711x_read(client, R_1E_STATUS_BYTE_1_VD_DEC), saa7115_read(client, R_1F_STATUS_BYTE_2_VD_DEC));
+ saa711x_read(client, R_1E_STATUS_BYTE_1_VD_DEC), saa711x_read(client, R_1F_STATUS_BYTE_2_VD_DEC));
return 0;
}
projects / powerpc.git / commitdiff