static int zr36060_set_sof (struct zr36060 *ptr) { char sof_data[34]; int i; dprintk(3, "%s: write SOF (%dx%d, %d components)\n", ptr->name, ptr->width, ptr->height, NO_OF_COMPONENTS); sof_data[0] = 0xff; sof_data[1] = 0xc0; sof_data[2] = 0x00; sof_data[3] = (3 * NO_OF_COMPONENTS) + 8; sof_data[4] = BASELINE_PRECISION; sof_data[5] = (ptr->height) >> 8; sof_data[6] = (ptr->height) & 0xff; sof_data[7] = (ptr->width) >> 8; sof_data[8] = (ptr->width) & 0xff; sof_data[9] = NO_OF_COMPONENTS; for (i = 0; i < NO_OF_COMPONENTS; i++) { sof_data[10 + (i * 3)] = i; sof_data[11 + (i * 3)] = (ptr->h_samp_ratio[i] << 4) | (ptr->v_samp_ratio[i]); sof_data[12 + (i * 3)] = zr36060_tq[i]; } return zr36060_pushit(ptr, ZR060_SOF_IDX, (3 * NO_OF_COMPONENTS) + 10, sof_data); }
static int zr36060_set_sof (struct zr36060 *ptr) { char sof_data[34]; // max. size of register set int i; dprintk(3, "%s: write SOF (%dx%d, %d components)\n", ptr->name, ptr->width, ptr->height, NO_OF_COMPONENTS); sof_data[0] = 0xff; sof_data[1] = 0xc0; sof_data[2] = 0x00; sof_data[3] = (3 * NO_OF_COMPONENTS) + 8; sof_data[4] = BASELINE_PRECISION; // only '8' possible with zr36060 sof_data[5] = (ptr->height) >> 8; sof_data[6] = (ptr->height) & 0xff; sof_data[7] = (ptr->width) >> 8; sof_data[8] = (ptr->width) & 0xff; sof_data[9] = NO_OF_COMPONENTS; for (i = 0; i < NO_OF_COMPONENTS; i++) { sof_data[10 + (i * 3)] = i; // index identifier sof_data[11 + (i * 3)] = (ptr->h_samp_ratio[i] << 4) | (ptr->v_samp_ratio[i]); // sampling ratios sof_data[12 + (i * 3)] = zr36060_tq[i]; // Q table selection } return zr36060_pushit(ptr, ZR060_SOF_IDX, (3 * NO_OF_COMPONENTS) + 10, sof_data); }
static int zr36060_set_dri (struct zr36060 *ptr) { char dri_data[6]; dprintk(3, "%s: write DRI\n", ptr->name); dri_data[0] = 0xff; dri_data[1] = 0xdd; dri_data[2] = 0x00; dri_data[3] = 0x04; dri_data[4] = (ptr->dri) >> 8; dri_data[5] = (ptr->dri) & 0xff; return zr36060_pushit(ptr, ZR060_DRI_IDX, 6, dri_data); }
static int zr36060_set_sos (struct zr36060 *ptr) { char sos_data[16]; int i; dprintk(3, "%s: write SOS\n", ptr->name); sos_data[0] = 0xff; sos_data[1] = 0xda; sos_data[2] = 0x00; sos_data[3] = 2 + 1 + (2 * NO_OF_COMPONENTS) + 3; sos_data[4] = NO_OF_COMPONENTS; for (i = 0; i < NO_OF_COMPONENTS; i++) { sos_data[5 + (i * 2)] = i; sos_data[6 + (i * 2)] = (zr36060_td[i] << 4) | zr36060_ta[i]; } sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 2] = 00; sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 3] = 0x3f; sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 4] = 00; return zr36060_pushit(ptr, ZR060_SOS_IDX, 4 + 1 + (2 * NO_OF_COMPONENTS) + 3, sos_data); }
static int zr36060_set_sos (struct zr36060 *ptr) { char sos_data[16]; // max. size of register set int i; dprintk(3, "%s: write SOS\n", ptr->name); sos_data[0] = 0xff; sos_data[1] = 0xda; sos_data[2] = 0x00; sos_data[3] = 2 + 1 + (2 * NO_OF_COMPONENTS) + 3; sos_data[4] = NO_OF_COMPONENTS; for (i = 0; i < NO_OF_COMPONENTS; i++) { sos_data[5 + (i * 2)] = i; // index sos_data[6 + (i * 2)] = (zr36060_td[i] << 4) | zr36060_ta[i]; // AC/DC tbl.sel. } sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 2] = 00; // scan start sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 3] = 0x3f; sos_data[2 + 1 + (2 * NO_OF_COMPONENTS) + 4] = 00; return zr36060_pushit(ptr, ZR060_SOS_IDX, 4 + 1 + (2 * NO_OF_COMPONENTS) + 3, sos_data); }
static void zr36060_init (struct zr36060 *ptr) { int sum = 0; long bitcnt, tmp; if (ptr->mode == CODEC_DO_COMPRESSION) { dprintk(2, "%s: COMPRESSION SETUP\n", ptr->name); zr36060_write(ptr, ZR060_LOAD, ZR060_LOAD_SyncRst); zr36060_write(ptr, ZR060_CIR, ZR060_CIR_CodeMstr); zr36060_write(ptr, ZR060_CMR, ZR060_CMR_Comp | ZR060_CMR_Pass2 | ZR060_CMR_BRB); zr36060_write(ptr, ZR060_MBZ, 0x00); zr36060_write(ptr, ZR060_TCR_HI, 0x00); zr36060_write(ptr, ZR060_TCR_LO, 0x00); zr36060_write(ptr, ZR060_IMR, 0); zr36060_write(ptr, ZR060_SF_HI, ptr->scalefact >> 8); zr36060_write(ptr, ZR060_SF_LO, ptr->scalefact & 0xff); zr36060_write(ptr, ZR060_AF_HI, 0xff); zr36060_write(ptr, ZR060_AF_M, 0xff); zr36060_write(ptr, ZR060_AF_LO, 0xff); sum += zr36060_set_sof(ptr); sum += zr36060_set_sos(ptr); sum += zr36060_set_dri(ptr); sum += zr36060_pushit(ptr, ZR060_DQT_IDX, sizeof(zr36060_dqt), zr36060_dqt); sum += zr36060_pushit(ptr, ZR060_DHT_IDX, sizeof(zr36060_dht), zr36060_dht); zr36060_write(ptr, ZR060_APP_IDX, 0xff); zr36060_write(ptr, ZR060_APP_IDX + 1, 0xe0 + ptr->app.appn); zr36060_write(ptr, ZR060_APP_IDX + 2, 0x00); zr36060_write(ptr, ZR060_APP_IDX + 3, ptr->app.len + 2); sum += zr36060_pushit(ptr, ZR060_APP_IDX + 4, 60, ptr->app.data) + 4; zr36060_write(ptr, ZR060_COM_IDX, 0xff); zr36060_write(ptr, ZR060_COM_IDX + 1, 0xfe); zr36060_write(ptr, ZR060_COM_IDX + 2, 0x00); zr36060_write(ptr, ZR060_COM_IDX + 3, ptr->com.len + 2); sum += zr36060_pushit(ptr, ZR060_COM_IDX + 4, 60, ptr->com.data) + 4; sum = ptr->real_code_vol - sum; bitcnt = sum << 3; tmp = bitcnt >> 16; dprintk(3, "%s: code: csize=%d, tot=%d, bit=%ld, highbits=%ld\n", ptr->name, sum, ptr->real_code_vol, bitcnt, tmp); zr36060_write(ptr, ZR060_TCV_NET_HI, tmp >> 8); zr36060_write(ptr, ZR060_TCV_NET_MH, tmp & 0xff); tmp = bitcnt & 0xffff; zr36060_write(ptr, ZR060_TCV_NET_ML, tmp >> 8); zr36060_write(ptr, ZR060_TCV_NET_LO, tmp & 0xff); bitcnt -= bitcnt >> 7; bitcnt -= ((bitcnt * 5) >> 6); tmp = bitcnt >> 16; dprintk(3, "%s: code: nettobit=%ld, highnettobits=%ld\n", ptr->name, bitcnt, tmp); zr36060_write(ptr, ZR060_TCV_DATA_HI, tmp >> 8); zr36060_write(ptr, ZR060_TCV_DATA_MH, tmp & 0xff); tmp = bitcnt & 0xffff; zr36060_write(ptr, ZR060_TCV_DATA_ML, tmp >> 8); zr36060_write(ptr, ZR060_TCV_DATA_LO, tmp & 0xff); zr36060_write(ptr, ZR060_MER, ZR060_MER_DQT | ZR060_MER_DHT | ((ptr->com.len > 0) ? ZR060_MER_Com : 0) | ((ptr->app.len > 0) ? ZR060_MER_App : 0)); zr36060_write(ptr, ZR060_VCR, ZR060_VCR_Range); } else {
/* ========================================================================= Setup function: Setup compression/decompression of Zoran's JPEG processor ( see also zoran 36060 manual ) ... sorry for the spaghetti code ... ========================================================================= */ static void zr36060_init (struct zr36060 *ptr) { int sum = 0; long bitcnt, tmp; if (ptr->mode == CODEC_DO_COMPRESSION) { dprintk(2, "%s: COMPRESSION SETUP\n", ptr->name); zr36060_write(ptr, ZR060_LOAD, ZR060_LOAD_SyncRst); /* 060 communicates with 067 in master mode */ zr36060_write(ptr, ZR060_CIR, ZR060_CIR_CodeMstr); /* Compression with or without variable scale factor */ /*FIXME: What about ptr->bitrate_ctrl? */ zr36060_write(ptr, ZR060_CMR, ZR060_CMR_Comp | ZR060_CMR_Pass2 | ZR060_CMR_BRB); /* Must be zero */ zr36060_write(ptr, ZR060_MBZ, 0x00); zr36060_write(ptr, ZR060_TCR_HI, 0x00); zr36060_write(ptr, ZR060_TCR_LO, 0x00); /* Disable all IRQs - no DataErr means autoreset */ zr36060_write(ptr, ZR060_IMR, 0); /* volume control settings */ zr36060_write(ptr, ZR060_SF_HI, ptr->scalefact >> 8); zr36060_write(ptr, ZR060_SF_LO, ptr->scalefact & 0xff); zr36060_write(ptr, ZR060_AF_HI, 0xff); zr36060_write(ptr, ZR060_AF_M, 0xff); zr36060_write(ptr, ZR060_AF_LO, 0xff); /* setup the variable jpeg tables */ sum += zr36060_set_sof(ptr); sum += zr36060_set_sos(ptr); sum += zr36060_set_dri(ptr); /* setup the fixed jpeg tables - maybe variable, though - * (see table init section above) */ sum += zr36060_pushit(ptr, ZR060_DQT_IDX, sizeof(zr36060_dqt), zr36060_dqt); sum += zr36060_pushit(ptr, ZR060_DHT_IDX, sizeof(zr36060_dht), zr36060_dht); zr36060_write(ptr, ZR060_APP_IDX, 0xff); zr36060_write(ptr, ZR060_APP_IDX + 1, 0xe0 + ptr->app.appn); zr36060_write(ptr, ZR060_APP_IDX + 2, 0x00); zr36060_write(ptr, ZR060_APP_IDX + 3, ptr->app.len + 2); sum += zr36060_pushit(ptr, ZR060_APP_IDX + 4, 60, ptr->app.data) + 4; zr36060_write(ptr, ZR060_COM_IDX, 0xff); zr36060_write(ptr, ZR060_COM_IDX + 1, 0xfe); zr36060_write(ptr, ZR060_COM_IDX + 2, 0x00); zr36060_write(ptr, ZR060_COM_IDX + 3, ptr->com.len + 2); sum += zr36060_pushit(ptr, ZR060_COM_IDX + 4, 60, ptr->com.data) + 4; /* setup misc. data for compression (target code sizes) */ /* size of compressed code to reach without header data */ sum = ptr->real_code_vol - sum; bitcnt = sum << 3; /* need the size in bits */ tmp = bitcnt >> 16; dprintk(3, "%s: code: csize=%d, tot=%d, bit=%ld, highbits=%ld\n", ptr->name, sum, ptr->real_code_vol, bitcnt, tmp); zr36060_write(ptr, ZR060_TCV_NET_HI, tmp >> 8); zr36060_write(ptr, ZR060_TCV_NET_MH, tmp & 0xff); tmp = bitcnt & 0xffff; zr36060_write(ptr, ZR060_TCV_NET_ML, tmp >> 8); zr36060_write(ptr, ZR060_TCV_NET_LO, tmp & 0xff); bitcnt -= bitcnt >> 7; // bits without stuffing bitcnt -= ((bitcnt * 5) >> 6); // bits without eob tmp = bitcnt >> 16; dprintk(3, "%s: code: nettobit=%ld, highnettobits=%ld\n", ptr->name, bitcnt, tmp); zr36060_write(ptr, ZR060_TCV_DATA_HI, tmp >> 8); zr36060_write(ptr, ZR060_TCV_DATA_MH, tmp & 0xff); tmp = bitcnt & 0xffff; zr36060_write(ptr, ZR060_TCV_DATA_ML, tmp >> 8); zr36060_write(ptr, ZR060_TCV_DATA_LO, tmp & 0xff); /* JPEG markers to be included in the compressed stream */ zr36060_write(ptr, ZR060_MER, ZR060_MER_DQT | ZR060_MER_DHT | ((ptr->com.len > 0) ? ZR060_MER_Com : 0) | ((ptr->app.len > 0) ? ZR060_MER_App : 0)); /* Setup the Video Frontend */ /* Limit pixel range to 16..235 as per CCIR-601 */ zr36060_write(ptr, ZR060_VCR, ZR060_VCR_Range); } else {