X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fsaa7134%2Fsaa6752hs.c;fp=drivers%2Fmedia%2Fvideo%2Fsaa7134%2Fsaa6752hs.c;h=0e0ba50946e8923e9dc230cad0d046cc46cebe5f;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=1db0226829806af405a786df5d0ae5e20f4beee7;hpb=cee37fe97739d85991964371c1f3a745c00dd236;p=linux-2.6.git diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 1db022682..0e0ba5094 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -9,11 +9,11 @@ #include #include #include -#include +#include +#include #include #include -#include #define MPEG_VIDEO_TARGET_BITRATE_MAX 27000 #define MPEG_VIDEO_MAX_BITRATE_MAX 27000 @@ -22,7 +22,6 @@ /* Addresses to scan */ static unsigned short normal_i2c[] = {0x20, I2C_CLIENT_END}; -static unsigned short normal_i2c_range[] = {I2C_CLIENT_END}; I2C_CLIENT_INSMOD; MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder"); @@ -42,22 +41,23 @@ enum saa6752hs_videoformat { static const struct v4l2_format v4l2_format_table[] = { - [SAA6752HS_VF_D1] = { - .fmt = { .pix = { .width = 720, .height = 576 }, }, }, - [SAA6752HS_VF_2_3_D1] = { - .fmt = { .pix = { .width = 480, .height = 576 }, }, }, - [SAA6752HS_VF_1_2_D1] = { - .fmt = { .pix = { .width = 352, .height = 576 }, }, }, - [SAA6752HS_VF_SIF] = { - .fmt = { .pix = { .width = 352, .height = 288 }, }, }, - [SAA6752HS_VF_UNKNOWN] = { - .fmt = { .pix = { .width = 0, .height = 0 }, }, }, + [SAA6752HS_VF_D1] = + { .fmt = { .pix = { .width = 720, .height = 576 }}}, + [SAA6752HS_VF_2_3_D1] = + { .fmt = { .pix = { .width = 480, .height = 576 }}}, + [SAA6752HS_VF_1_2_D1] = + { .fmt = { .pix = { .width = 352, .height = 576 }}}, + [SAA6752HS_VF_SIF] = + { .fmt = { .pix = { .width = 352, .height = 288 }}}, + [SAA6752HS_VF_UNKNOWN] = + { .fmt = { .pix = { .width = 0, .height = 0}}}, }; struct saa6752hs_state { struct i2c_client client; struct v4l2_mpeg_compression params; enum saa6752hs_videoformat video_format; + v4l2_std_id standard; }; enum saa6752hs_command { @@ -75,58 +75,58 @@ enum saa6752hs_command { /* ---------------------------------------------------------------------- */ static u8 PAT[] = { - 0xc2, // i2c register - 0x00, // table number for encoder + 0xc2, /* i2c register */ + 0x00, /* table number for encoder */ - 0x47, // sync - 0x40, 0x00, // transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid(0) - 0x10, // transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) + 0x47, /* sync */ + 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid(0) */ + 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ - 0x00, // PSI pointer to start of table + 0x00, /* PSI pointer to start of table */ - 0x00, // tid(0) - 0xb0, 0x0d, // section_syntax_indicator(1), section_length(13) + 0x00, /* tid(0) */ + 0xb0, 0x0d, /* section_syntax_indicator(1), section_length(13) */ - 0x00, 0x01, // transport_stream_id(1) + 0x00, 0x01, /* transport_stream_id(1) */ - 0xc1, // version_number(0), current_next_indicator(1) + 0xc1, /* version_number(0), current_next_indicator(1) */ - 0x00, 0x00, // section_number(0), last_section_number(0) + 0x00, 0x00, /* section_number(0), last_section_number(0) */ - 0x00, 0x01, // program_number(1) + 0x00, 0x01, /* program_number(1) */ - 0xe0, 0x00, // PMT PID + 0xe0, 0x00, /* PMT PID */ - 0x00, 0x00, 0x00, 0x00 // CRC32 + 0x00, 0x00, 0x00, 0x00 /* CRC32 */ }; static u8 PMT[] = { - 0xc2, // i2c register - 0x01, // table number for encoder + 0xc2, /* i2c register */ + 0x01, /* table number for encoder */ - 0x47, // sync - 0x40, 0x00, // transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid - 0x10, // transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) + 0x47, /* sync */ + 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid */ + 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ - 0x00, // PSI pointer to start of table + 0x00, /* PSI pointer to start of table */ - 0x02, // tid(2) - 0xb0, 0x17, // section_syntax_indicator(1), section_length(23) + 0x02, /* tid(2) */ + 0xb0, 0x17, /* section_syntax_indicator(1), section_length(23) */ - 0x00, 0x01, // program_number(1) + 0x00, 0x01, /* program_number(1) */ - 0xc1, // version_number(0), current_next_indicator(1) + 0xc1, /* version_number(0), current_next_indicator(1) */ - 0x00, 0x00, // section_number(0), last_section_number(0) + 0x00, 0x00, /* section_number(0), last_section_number(0) */ - 0xe0, 0x00, // PCR_PID + 0xe0, 0x00, /* PCR_PID */ - 0xf0, 0x00, // program_info_length(0) + 0xf0, 0x00, /* program_info_length(0) */ - 0x02, 0xe0, 0x00, 0xf0, 0x00, // video stream type(2), pid - 0x04, 0xe0, 0x00, 0xf0, 0x00, // audio stream type(4), pid + 0x02, 0xe0, 0x00, 0xf0, 0x00, /* video stream type(2), pid */ + 0x04, 0xe0, 0x00, 0xf0, 0x00, /* audio stream type(4), pid */ - 0x00, 0x00, 0x00, 0x00 // CRC32 + 0x00, 0x00, 0x00, 0x00 /* CRC32 */ }; static struct v4l2_mpeg_compression param_defaults = @@ -156,10 +156,6 @@ static struct v4l2_mpeg_compression param_defaults = .target = 256, }, -#if 0 - /* FIXME: size? via S_FMT? */ - .video_format = MPEG_VIDEO_FORMAT_D1, -#endif }; /* ---------------------------------------------------------------------- */ @@ -171,33 +167,33 @@ static int saa6752hs_chip_command(struct i2c_client* client, unsigned long timeout; int status = 0; - // execute the command + /* execute the command */ switch(command) { - case SAA6752HS_COMMAND_RESET: - buf[0] = 0x00; + case SAA6752HS_COMMAND_RESET: + buf[0] = 0x00; break; case SAA6752HS_COMMAND_STOP: - buf[0] = 0x03; + buf[0] = 0x03; break; case SAA6752HS_COMMAND_START: - buf[0] = 0x02; + buf[0] = 0x02; break; case SAA6752HS_COMMAND_PAUSE: - buf[0] = 0x04; + buf[0] = 0x04; break; case SAA6752HS_COMMAND_RECONFIGURE: buf[0] = 0x05; break; - case SAA6752HS_COMMAND_SLEEP: - buf[0] = 0x06; + case SAA6752HS_COMMAND_SLEEP: + buf[0] = 0x06; break; - case SAA6752HS_COMMAND_RECONFIGURE_FORCE: + case SAA6752HS_COMMAND_RECONFIGURE_FORCE: buf[0] = 0x07; break; @@ -205,13 +201,13 @@ static int saa6752hs_chip_command(struct i2c_client* client, return -EINVAL; } - // set it and wait for it to be so + /* set it and wait for it to be so */ i2c_master_send(client, buf, 1); timeout = jiffies + HZ * 3; for (;;) { - // get the current status + /* get the current status */ buf[0] = 0x10; - i2c_master_send(client, buf, 1); + i2c_master_send(client, buf, 1); i2c_master_recv(client, buf, 1); if (!(buf[0] & 0x20)) @@ -221,61 +217,58 @@ static int saa6752hs_chip_command(struct i2c_client* client, break; } - // wait a bit msleep(10); } - // delay a bit to let encoder settle + /* delay a bit to let encoder settle */ msleep(50); - // done - return status; + return status; } static int saa6752hs_set_bitrate(struct i2c_client* client, struct v4l2_mpeg_compression* params) { - u8 buf[3]; + u8 buf[3]; - // set the bitrate mode + /* set the bitrate mode */ buf[0] = 0x71; buf[1] = (params->vi_bitrate.mode == V4L2_BITRATE_VBR) ? 0 : 1; i2c_master_send(client, buf, 2); - // set the video bitrate + /* set the video bitrate */ if (params->vi_bitrate.mode == V4L2_BITRATE_VBR) { - // set the target bitrate + /* set the target bitrate */ buf[0] = 0x80; buf[1] = params->vi_bitrate.target >> 8; - buf[2] = params->vi_bitrate.target & 0xff; + buf[2] = params->vi_bitrate.target & 0xff; i2c_master_send(client, buf, 3); - // set the max bitrate + /* set the max bitrate */ buf[0] = 0x81; buf[1] = params->vi_bitrate.max >> 8; - buf[2] = params->vi_bitrate.max & 0xff; + buf[2] = params->vi_bitrate.max & 0xff; i2c_master_send(client, buf, 3); } else { - // set the target bitrate (no max bitrate for CBR) - buf[0] = 0x81; + /* set the target bitrate (no max bitrate for CBR) */ + buf[0] = 0x81; buf[1] = params->vi_bitrate.target >> 8; - buf[2] = params->vi_bitrate.target & 0xff; + buf[2] = params->vi_bitrate.target & 0xff; i2c_master_send(client, buf, 3); } - // set the audio bitrate - buf[0] = 0x94; + /* set the audio bitrate */ + buf[0] = 0x94; buf[1] = (256 == params->au_bitrate.target) ? 0 : 1; i2c_master_send(client, buf, 2); - // set the total bitrate + /* set the total bitrate */ buf[0] = 0xb1; - buf[1] = params->st_bitrate.target >> 8; - buf[2] = params->st_bitrate.target & 0xff; + buf[1] = params->st_bitrate.target >> 8; + buf[2] = params->st_bitrate.target & 0xff; i2c_master_send(client, buf, 3); - // return success return 0; } @@ -381,36 +374,43 @@ static int saa6752hs_init(struct i2c_client* client) h = i2c_get_clientdata(client); - // Set video format - must be done first as it resets other settings + /* Set video format - must be done first as it resets other settings */ buf[0] = 0x41; buf[1] = h->video_format; i2c_master_send(client, buf, 2); - // set bitrate - saa6752hs_set_bitrate(client, &h->params); + /* Set number of lines in input signal */ + buf[0] = 0x40; + buf[1] = 0x00; + if (h->standard & V4L2_STD_525_60) + buf[1] = 0x01; + i2c_master_send(client, buf, 2); + + /* set bitrate */ + saa6752hs_set_bitrate(client, &h->params); - // Set GOP structure {3, 13} + /* Set GOP structure {3, 13} */ buf[0] = 0x72; buf[1] = 0x03; buf[2] = 0x0D; i2c_master_send(client,buf,3); - // Set minimum Q-scale {4} + /* Set minimum Q-scale {4} */ buf[0] = 0x82; buf[1] = 0x04; i2c_master_send(client,buf,2); - // Set maximum Q-scale {12} + /* Set maximum Q-scale {12} */ buf[0] = 0x83; buf[1] = 0x0C; i2c_master_send(client,buf,2); - // Set Output Protocol + /* Set Output Protocol */ buf[0] = 0xD0; buf[1] = 0x81; i2c_master_send(client,buf,2); - // Set video output stream format {TS} + /* Set video output stream format {TS} */ buf[0] = 0xB0; buf[1] = 0x05; i2c_master_send(client,buf,2); @@ -426,9 +426,9 @@ static int saa6752hs_init(struct i2c_client* client) localPAT[sizeof(PAT) - 1] = crc & 0xFF; /* compute PMT */ - memcpy(localPMT, PMT, sizeof(PMT)); - localPMT[3] = 0x40 | ((h->params.ts_pid_pmt >> 8) & 0x0f); - localPMT[4] = h->params.ts_pid_pmt & 0xff; + memcpy(localPMT, PMT, sizeof(PMT)); + localPMT[3] = 0x40 | ((h->params.ts_pid_pmt >> 8) & 0x0f); + localPMT[4] = h->params.ts_pid_pmt & 0xff; localPMT[15] = 0xE0 | ((h->params.ts_pid_pcr >> 8) & 0x0F); localPMT[16] = h->params.ts_pid_pcr & 0xFF; localPMT[20] = 0xE0 | ((h->params.ts_pid_video >> 8) & 0x0F); @@ -441,39 +441,39 @@ static int saa6752hs_init(struct i2c_client* client) localPMT[sizeof(PMT) - 2] = (crc >> 8) & 0xFF; localPMT[sizeof(PMT) - 1] = crc & 0xFF; - // Set Audio PID + /* Set Audio PID */ buf[0] = 0xC1; buf[1] = (h->params.ts_pid_audio >> 8) & 0xFF; buf[2] = h->params.ts_pid_audio & 0xFF; i2c_master_send(client,buf,3); - // Set Video PID + /* Set Video PID */ buf[0] = 0xC0; buf[1] = (h->params.ts_pid_video >> 8) & 0xFF; buf[2] = h->params.ts_pid_video & 0xFF; i2c_master_send(client,buf,3); - // Set PCR PID + /* Set PCR PID */ buf[0] = 0xC4; buf[1] = (h->params.ts_pid_pcr >> 8) & 0xFF; buf[2] = h->params.ts_pid_pcr & 0xFF; i2c_master_send(client,buf,3); - // Send SI tables + /* Send SI tables */ i2c_master_send(client,localPAT,sizeof(PAT)); i2c_master_send(client,localPMT,sizeof(PMT)); - // mute then unmute audio. This removes buzzing artefacts + /* mute then unmute audio. This removes buzzing artefacts */ buf[0] = 0xa4; buf[1] = 1; i2c_master_send(client, buf, 2); - buf[1] = 0; + buf[1] = 0; i2c_master_send(client, buf, 2); - // start it going + /* start it going */ saa6752hs_chip_command(client, SAA6752HS_COMMAND_START); - // readout current state + /* readout current state */ buf[0] = 0xE1; buf[1] = 0xA7; buf[2] = 0xFE; @@ -482,7 +482,7 @@ static int saa6752hs_init(struct i2c_client* client) i2c_master_send(client, buf, 5); i2c_master_recv(client, buf2, 4); - // change aspect ratio + /* change aspect ratio */ buf[0] = 0xE0; buf[1] = 0xA7; buf[2] = 0xFE; @@ -503,7 +503,6 @@ static int saa6752hs_init(struct i2c_client* client) buf[8] = buf2[3]; i2c_master_send(client, buf, 9); - // return success return 0; } @@ -511,18 +510,22 @@ static int saa6752hs_attach(struct i2c_adapter *adap, int addr, int kind) { struct saa6752hs_state *h; - printk("saa6752hs: chip found @ 0x%x\n", addr<<1); - if (NULL == (h = kmalloc(sizeof(*h), GFP_KERNEL))) - return -ENOMEM; - memset(h,0,sizeof(*h)); + if (NULL == (h = kzalloc(sizeof(*h), GFP_KERNEL))) + return -ENOMEM; h->client = client_template; h->params = param_defaults; h->client.adapter = adap; h->client.addr = addr; + /* Assume 625 input lines */ + h->standard = 0; + i2c_set_clientdata(&h->client, h); - i2c_attach_client(&h->client); + i2c_attach_client(&h->client); + + v4l_info(&h->client,"saa6752hs: chip found @ 0x%x\n", addr<<1); + return 0; } @@ -550,7 +553,7 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) struct v4l2_mpeg_compression *params = arg; int err = 0; - switch (cmd) { + switch (cmd) { case VIDIOC_S_MPEGCOMP: if (NULL == params) { /* apply settings and start encoder */ @@ -564,7 +567,7 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) break; case VIDIOC_G_FMT: { - struct v4l2_format *f = arg; + struct v4l2_format *f = arg; if (h->video_format == SAA6752HS_VF_UNKNOWN) h->video_format = SAA6752HS_VF_D1; @@ -581,6 +584,9 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) saa6752hs_set_subsampling(client, f); break; } + case VIDIOC_S_STD: + h->standard = *((v4l2_std_id *) arg); + break; default: /* nothing */ break; @@ -592,20 +598,19 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) /* ----------------------------------------------------------------------- */ static struct i2c_driver driver = { - .owner = THIS_MODULE, - .name = "i2c saa6752hs MPEG encoder", - .id = I2C_DRIVERID_SAA6752HS, - .flags = I2C_DF_NOTIFY, - .attach_adapter = saa6752hs_probe, - .detach_client = saa6752hs_detach, - .command = saa6752hs_command, + .driver = { + .name = "saa6752hs", + }, + .id = I2C_DRIVERID_SAA6752HS, + .attach_adapter = saa6752hs_probe, + .detach_client = saa6752hs_detach, + .command = saa6752hs_command, }; static struct i2c_client client_template = { - I2C_DEVNAME("saa6752hs"), - .flags = I2C_CLIENT_ALLOW_USE, - .driver = &driver, + .name = "saa6752hs", + .driver = &driver, }; static int __init saa6752hs_init_module(void)