V4L/DVB (4555): Cleanup: removed hardcoded tables
saa7115 module is capable of calculating the proper FIR tables. However, there were 4 hardcoded tables for the standard resolution. Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab
Родитель
66ec1193ba
Коммит
59ba915495
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@ -270,44 +270,6 @@ static const unsigned char saa7115_cfg_reset_scaler[] = {
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/* ============== SAA7715 VIDEO templates ============= */
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/* Used on saa7114 and saa7115 */
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static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
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/* hsize = 0x2d0 = 720 */
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R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
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R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
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/* Why not in 60hz-Land, too? */
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R_D0_B_HORIZ_PRESCALING, 0x01, /* downscale = 1 */
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/* hor lum scaling 0x0400 = 1 */
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R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00,
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R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04,
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/* must be hor lum scaling / 2 */
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R_DC_B_HORIZ_CHROMA_SCALING, 0x00,
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R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02,
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0x00, 0x00
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};
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/* Used on saa7114 and saa7115 */
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static const unsigned char saa7115_cfg_60hz_fullres_y[] = {
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/* output window size = 248 (but 60hz is 240?) */
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R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, 0xf8,
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R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x00,
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/* Why not in 60hz-Land, too? */
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R_D5_B_LUMA_CONTRAST_CNTL, 0x40, /* Lum contrast, nominal value = 0x40 */
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R_D6_B_CHROMA_SATURATION_CNTL, 0x40, /* Chroma satur. nominal value = 0x80 */
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R_E0_B_VERT_LUMA_SCALING_INC, 0x00,
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R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04,
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R_E2_B_VERT_CHROMA_SCALING_INC, 0x00,
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R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04,
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0x00, 0x00
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};
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static const unsigned char saa7115_cfg_60hz_video[] = {
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R_80_GLOBAL_CNTL_1, 0x00, /* reset tasks */
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
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@ -386,38 +348,6 @@ static const unsigned char saa7115_cfg_60hz_video[] = {
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0x00, 0x00
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};
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static const unsigned char saa7115_cfg_50hz_fullres_x[] = {
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/* hsize low (output), 720 same as 60hz */
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R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH, 0xd0,
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R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB, 0x02,
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R_D0_B_HORIZ_PRESCALING, 0x01, /* down scale = 1 */
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R_D8_B_HORIZ_LUMA_SCALING_INC, 0x00, /* hor lum scaling 0x0400 = 1 */
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R_D9_B_HORIZ_LUMA_SCALING_INC_MSB, 0x04,
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/* must be hor lum scaling / 2 */
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R_DC_B_HORIZ_CHROMA_SCALING, 0x00,
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R_DD_B_HORIZ_CHROMA_SCALING_MSB, 0x02,
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0x00, 0x00
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};
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static const unsigned char saa7115_cfg_50hz_fullres_y[] = {
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/* vsize low (output), 0x0120 = 288 */
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R_CE_B_VERT_OUTPUT_WINDOW_LENGTH, 0x20,
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R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB, 0x01,
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R_D5_B_LUMA_CONTRAST_CNTL, 0x40, /* Lum contrast, nominal value = 0x40 */
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R_D6_B_CHROMA_SATURATION_CNTL, 0x40, /* Chroma satur. nominal value = 0x80 */
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R_E0_B_VERT_LUMA_SCALING_INC, 0x00,
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R_E1_B_VERT_LUMA_SCALING_INC_MSB, 0x04,
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R_E2_B_VERT_CHROMA_SCALING_INC, 0x00,
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R_E3_B_VERT_CHROMA_SCALING_INC_MSB, 0x04,
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0x00, 0x00
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};
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static const unsigned char saa7115_cfg_50hz_video[] = {
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R_80_GLOBAL_CNTL_1, 0x00,
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R_88_POWER_SAVE_ADC_PORT_CNTL, 0xd0, /* reset scaler */
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@ -920,6 +850,8 @@ static void saa711x_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
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011 NTSC N (3.58MHz) PAL M (3.58MHz)
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100 reserved NTSC-Japan (3.58MHz)
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*/
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state->std = std;
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if (state->ident == V4L2_IDENT_SAA7111 ||
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state->ident == V4L2_IDENT_SAA7113) {
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u8 reg = saa711x_read(client, R_0E_CHROMA_CNTL_1) & 0x8f;
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@ -945,8 +877,6 @@ static void saa711x_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
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/* switch audio mode too! */
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saa711x_set_audio_clock_freq(client, state->audclk_freq);
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}
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state->std = std;
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}
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static v4l2_std_id saa711x_get_v4lstd(struct i2c_client *client)
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@ -1116,15 +1046,110 @@ static int saa711x_get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
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return 0;
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}
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static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
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static int saa711x_set_size(struct i2c_client *client, int width, int height)
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{
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struct saa711x_state *state = i2c_get_clientdata(client);
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struct v4l2_pix_format *pix;
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int HPSC, HFSC;
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int VSCY;
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int res;
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int is_50hz = state->std & V4L2_STD_625_50;
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int Vsrc = is_50hz ? 576 : 480;
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v4l_dbg(1, debug, client, "decoder set size to %ix%i\n",width,height);
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/* FIXME need better bounds checking here */
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if ((width < 1) || (width > 1440))
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return -EINVAL;
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if ((height < 1) || (height > 960))
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return -EINVAL;
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if (!saa711x_has_reg(state->ident,R_D0_B_HORIZ_PRESCALING)) {
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/* Decoder only supports 720 columns and 480 or 576 lines */
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if (width != 720)
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return -EINVAL;
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if (height != Vsrc)
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return -EINVAL;
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}
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if (!saa711x_has_reg(state->ident,R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH))
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return 0;
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/* probably have a valid size, let's set it */
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/* Set output width/height */
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/* width */
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saa711x_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
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(u8) (width & 0xff));
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saa711x_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
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(u8) ((width >> 8) & 0xff));
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if (height == Vsrc) {
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/*FIXME: This code seems weird, however, this is how it is
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working right now.
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*/
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res=height/2;
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if (!is_50hz)
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res+=8;
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} else
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res=height;
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/* height */
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saa711x_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
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(u8) (res & 0xff));
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saa711x_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
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(u8) (res & 0xff));
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/* Scaling settings */
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/* Hprescaler is floor(inres/outres) */
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HPSC = (int)(720 / width);
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/* 0 is not allowed (div. by zero) */
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HPSC = HPSC ? HPSC : 1;
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HFSC = (int)((1024 * 720) / (HPSC * width));
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/* FIXME hardcodes to "Task B"
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* write H prescaler integer */
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saa711x_write(client, R_D0_B_HORIZ_PRESCALING,
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(u8) (HPSC & 0x3f));
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v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
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/* write H fine-scaling (luminance) */
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saa711x_write(client, R_D8_B_HORIZ_LUMA_SCALING_INC,
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(u8) (HFSC & 0xff));
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saa711x_write(client, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB,
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(u8) ((HFSC >> 8) & 0xff));
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/* write H fine-scaling (chrominance)
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* must be lum/2, so i'll just bitshift :) */
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saa711x_write(client, R_DC_B_HORIZ_CHROMA_SCALING,
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(u8) ((HFSC >> 1) & 0xff));
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saa711x_write(client, R_DD_B_HORIZ_CHROMA_SCALING_MSB,
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(u8) ((HFSC >> 9) & 0xff));
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VSCY = (int)((1024 * Vsrc) / height);
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v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
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/* Correct Contrast and Luminance */
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saa711x_write(client, R_D5_B_LUMA_CONTRAST_CNTL,
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(u8) (64 * 1024 / VSCY));
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saa711x_write(client, R_D6_B_CHROMA_SATURATION_CNTL,
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(u8) (64 * 1024 / VSCY));
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/* write V fine-scaling (luminance) */
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saa711x_write(client, R_E0_B_VERT_LUMA_SCALING_INC,
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(u8) (VSCY & 0xff));
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saa711x_write(client, R_E1_B_VERT_LUMA_SCALING_INC_MSB,
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(u8) ((VSCY >> 8) & 0xff));
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/* write V fine-scaling (chrominance) */
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saa711x_write(client, R_E2_B_VERT_CHROMA_SCALING_INC,
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(u8) (VSCY & 0xff));
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saa711x_write(client, R_E3_B_VERT_CHROMA_SCALING_INC_MSB,
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(u8) ((VSCY >> 8) & 0xff));
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saa711x_writeregs(client, saa7115_cfg_reset_scaler);
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return 0;
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}
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static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
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{
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if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
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saa711x_set_lcr(client, &fmt->fmt.sliced);
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return 0;
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@ -1132,109 +1157,7 @@ static int saa711x_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt
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if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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pix = &(fmt->fmt.pix);
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v4l_dbg(1, debug, client, "decoder set size\n");
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/* FIXME need better bounds checking here */
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if ((pix->width < 1) || (pix->width > 1440))
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return -EINVAL;
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if ((pix->height < 1) || (pix->height > 960))
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return -EINVAL;
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if (!saa711x_has_reg(state->ident,R_D0_B_HORIZ_PRESCALING)) {
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/* Decoder only supports 720 columns and 480 or 576 lines */
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if (pix->width != 720)
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return -EINVAL;
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if (pix->height != Vsrc)
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return -EINVAL;
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}
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/* probably have a valid size, let's set it */
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/* Set output width/height */
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/* width */
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if (!saa711x_has_reg(state->ident,R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH)) {
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saa711x_write(client, R_CC_B_HORIZ_OUTPUT_WINDOW_LENGTH,
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(u8) (pix->width & 0xff));
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saa711x_write(client, R_CD_B_HORIZ_OUTPUT_WINDOW_LENGTH_MSB,
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(u8) ((pix->width >> 8) & 0xff));
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/* height */
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saa711x_write(client, R_CE_B_VERT_OUTPUT_WINDOW_LENGTH,
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(u8) (pix->height & 0xff));
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saa711x_write(client, R_CF_B_VERT_OUTPUT_WINDOW_LENGTH_MSB,
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(u8) ((pix->height >> 8) & 0xff));
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}
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/* Scaling settings */
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/* Hprescaler is floor(inres/outres) */
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/* FIXME hardcoding input res */
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if (pix->width != 720) {
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HPSC = (int)(720 / pix->width);
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/* 0 is not allowed (div. by zero) */
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HPSC = HPSC ? HPSC : 1;
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HFSC = (int)((1024 * 720) / (HPSC * pix->width));
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v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
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/* FIXME hardcodes to "Task B"
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* write H prescaler integer */
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saa711x_write(client, R_D0_B_HORIZ_PRESCALING,
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(u8) (HPSC & 0x3f));
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/* write H fine-scaling (luminance) */
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saa711x_write(client, R_D8_B_HORIZ_LUMA_SCALING_INC,
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(u8) (HFSC & 0xff));
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saa711x_write(client, R_D9_B_HORIZ_LUMA_SCALING_INC_MSB,
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(u8) ((HFSC >> 8) & 0xff));
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/* write H fine-scaling (chrominance)
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* must be lum/2, so i'll just bitshift :) */
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saa711x_write(client, R_DC_B_HORIZ_CHROMA_SCALING,
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(u8) ((HFSC >> 1) & 0xff));
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saa711x_write(client, R_DD_B_HORIZ_CHROMA_SCALING_MSB,
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(u8) ((HFSC >> 9) & 0xff));
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} else {
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if (is_50hz) {
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v4l_dbg(1, debug, client, "Setting full 50hz width\n");
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saa711x_writeregs(client, saa7115_cfg_50hz_fullres_x);
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} else {
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v4l_dbg(1, debug, client, "Setting full 60hz width\n");
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saa711x_writeregs(client, saa7115_cfg_60hz_fullres_x);
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}
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}
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if (pix->height != Vsrc) {
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VSCY = (int)((1024 * Vsrc) / pix->height);
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v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
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/* Correct Contrast and Luminance */
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saa711x_write(client, R_D5_B_LUMA_CONTRAST_CNTL,
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(u8) (64 * 1024 / VSCY));
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saa711x_write(client, R_D6_B_CHROMA_SATURATION_CNTL,
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(u8) (64 * 1024 / VSCY));
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/* write V fine-scaling (luminance) */
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saa711x_write(client, R_E0_B_VERT_LUMA_SCALING_INC,
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(u8) (VSCY & 0xff));
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saa711x_write(client, R_E1_B_VERT_LUMA_SCALING_INC_MSB,
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(u8) ((VSCY >> 8) & 0xff));
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/* write V fine-scaling (chrominance) */
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saa711x_write(client, R_E2_B_VERT_CHROMA_SCALING_INC,
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(u8) (VSCY & 0xff));
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saa711x_write(client, R_E3_B_VERT_CHROMA_SCALING_INC_MSB,
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(u8) ((VSCY >> 8) & 0xff));
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} else {
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if (is_50hz) {
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v4l_dbg(1, debug, client, "Setting full 50Hz height\n");
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saa711x_writeregs(client, saa7115_cfg_50hz_fullres_y);
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} else {
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v4l_dbg(1, debug, client, "Setting full 60hz height\n");
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saa711x_writeregs(client, saa7115_cfg_60hz_fullres_y);
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}
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}
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saa711x_writeregs(client, saa7115_cfg_reset_scaler);
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return 0;
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return saa711x_set_size(client,fmt->fmt.pix.width,fmt->fmt.pix.height);
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}
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/* Decode the sliced VBI data stream as created by the saa7115.
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@ -1284,7 +1207,7 @@ static void saa711x_decode_vbi_line(struct i2c_client *client,
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vbi->type = V4L2_SLICED_TELETEXT_B;
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break;
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case 4:
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if (!saa711x_odd_parity(p[0]) || !saa7115_odd_parity(p[1]))
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if (!saa711x_odd_parity(p[0]) || !saa711x_odd_parity(p[1]))
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return;
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vbi->type = V4L2_SLICED_CAPTION_525;
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break;
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@ -1570,7 +1493,6 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
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kfree(client);
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return -ENOMEM;
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}
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state->std = V4L2_STD_NTSC;
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state->input = -1;
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state->enable = 1;
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state->radio = 0;
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@ -1614,8 +1536,8 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
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saa711x_writeregs(client, saa7115_init_auto_input);
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}
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saa711x_writeregs(client, saa7115_init_misc);
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saa711x_writeregs(client, saa7115_cfg_60hz_fullres_x);
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saa711x_writeregs(client, saa7115_cfg_60hz_fullres_y);
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state->std = V4L2_STD_NTSC;
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saa711x_set_size(client, 720, 480);
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saa711x_writeregs(client, saa7115_cfg_60hz_video);
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saa711x_set_audio_clock_freq(client, state->audclk_freq);
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saa711x_writeregs(client, saa7115_cfg_reset_scaler);
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@ -1623,7 +1545,7 @@ static int saa711x_attach(struct i2c_adapter *adapter, int address, int kind)
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i2c_attach_client(client);
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v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
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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;
|
||||
}
|
||||
|
|
|
|||
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Ссылка в новой задаче