diff options
Diffstat (limited to 'linux/drivers/media/video/cx18')
22 files changed, 811 insertions, 414 deletions
diff --git a/linux/drivers/media/video/cx18/cx18-audio.c b/linux/drivers/media/video/cx18/cx18-audio.c index 57beddf0a..d19bd778c 100644 --- a/linux/drivers/media/video/cx18/cx18-audio.c +++ b/linux/drivers/media/video/cx18/cx18-audio.c @@ -64,8 +64,7 @@ int cx18_audio_set_io(struct cx18 *cx) val = cx18_read_reg(cx, CX18_AUDIO_ENABLE) & ~0x30; val |= (audio_input > CX18_AV_AUDIO_SERIAL2) ? 0x20 : (audio_input << 4); - cx18_write_reg(cx, val | 0xb00, CX18_AUDIO_ENABLE); - cx18_vapi(cx, CX18_APU_RESETAI, 1, 0); + cx18_write_reg_expect(cx, val | 0xb00, CX18_AUDIO_ENABLE, val, 0x30); return 0; } diff --git a/linux/drivers/media/video/cx18/cx18-av-core.c b/linux/drivers/media/video/cx18/cx18-av-core.c index 0b1c84b4d..a3bd2c95f 100644 --- a/linux/drivers/media/video/cx18/cx18-av-core.c +++ b/linux/drivers/media/video/cx18/cx18-av-core.c @@ -169,9 +169,14 @@ static void cx18_av_initialize(struct cx18 *cx) /* Set VGA_TRACK_RANGE to 0x20 */ cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000); - /* Enable VBI capture */ - cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253F); - /* cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4010253E); */ + /* + * Initial VBI setup + * VIP-1.1, 10 bit mode, enable Raw, disable sliced, + * don't clamp raw samples when codes are in use, 1 byte user D-words, + * IDID0 has line #, RP code V bit transition on VBLANK, data during + * blanking intervals + */ + cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e); /* Set the video input. The setting in MODE_CTRL gets lost when we do the above setup */ @@ -213,6 +218,7 @@ void cx18_av_std_setup(struct cx18 *cx) cx18_av_write(cx, 0x49f, 0x14); if (std & V4L2_STD_625_50) { + /* FIXME - revisit these for Sliced VBI */ hblank = 132; hactive = 720; burst = 93; @@ -236,13 +242,34 @@ void cx18_av_std_setup(struct cx18 *cx) sc = 672351; } } else { + /* + * The following relationships of half line counts should hold: + * 525 = vsync + vactive + vblank656 + * 12 = vblank656 - vblank + * + * vsync: always 6 half-lines of vsync pulses + * vactive: half lines of active video + * vblank656: half lines, after line 3, of blanked video + * vblank: half lines, after line 9, of blanked video + * + * vblank656 starts counting from the falling edge of the first + * vsync pulse (start of line 4) + * vblank starts counting from the after the 6 vsync pulses and + * 6 equalization pulses (start of line 10) + * + * For 525 line systems the driver will extract VBI information + * from lines 10 through 21. To avoid the EAV RP code from + * toggling at the start of hblank at line 22, where sliced VBI + * data from line 21 is stuffed, also treat line 22 as blanked. + */ + vblank656 = 38; /* lines 4 through 22 */ + vblank = 26; /* lines 10 through 22 */ + vactive = 481; /* lines 23 through 262.5 */ + hactive = 720; hblank = 122; - vactive = 487; luma_lpf = 1; uv_lpf = 1; - vblank = 26; - vblank656 = 26; src_decimation = 0x21f; if (std == V4L2_STD_PAL_60) { @@ -325,14 +352,14 @@ void cx18_av_std_setup(struct cx18 *cx) cx18_av_write(cx, 0x47d, 0xff & sc >> 8); cx18_av_write(cx, 0x47e, 0xff & sc >> 16); - /* Sets VBI parameters */ if (std & V4L2_STD_625_50) { - cx18_av_write(cx, 0x47f, 0x01); - state->vbi_line_offset = 5; + state->slicer_line_delay = 1; + state->slicer_line_offset = (6 + state->slicer_line_delay - 2); } else { - cx18_av_write(cx, 0x47f, 0x00); - state->vbi_line_offset = 8; + state->slicer_line_delay = 0; + state->slicer_line_offset = (10 + state->slicer_line_delay - 2); } + cx18_av_write(cx, 0x47f, state->slicer_line_delay); } /* ----------------------------------------------------------------------- */ @@ -548,7 +575,7 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) break; case V4L2_CID_HUE: - if (ctrl->value < -127 || ctrl->value > 127) { + if (ctrl->value < -128 || ctrl->value > 127) { CX18_ERR("invalid hue setting %d\n", ctrl->value); return -ERANGE; } @@ -680,19 +707,45 @@ static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) /* ----------------------------------------------------------------------- */ +static int valid_av_cmd(unsigned int cmd) +{ + switch (cmd) { + /* All commands supported by cx18_av_cmd() */ + case VIDIOC_INT_DECODE_VBI_LINE: + case VIDIOC_INT_AUDIO_CLOCK_FREQ: + case VIDIOC_STREAMON: + case VIDIOC_STREAMOFF: + case VIDIOC_LOG_STATUS: + case VIDIOC_G_CTRL: + case VIDIOC_S_CTRL: + case VIDIOC_QUERYCTRL: + case VIDIOC_G_STD: + case VIDIOC_S_STD: + case AUDC_SET_RADIO: + case VIDIOC_INT_G_VIDEO_ROUTING: + case VIDIOC_INT_S_VIDEO_ROUTING: + case VIDIOC_INT_G_AUDIO_ROUTING: + case VIDIOC_INT_S_AUDIO_ROUTING: + case VIDIOC_S_FREQUENCY: + case VIDIOC_G_TUNER: + case VIDIOC_S_TUNER: + case VIDIOC_G_FMT: + case VIDIOC_S_FMT: + case VIDIOC_INT_RESET: + return 1; + default: + return 0; + } + return 0; +} + int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg) { struct cx18_av_state *state = &cx->av_state; struct v4l2_tuner *vt = arg; struct v4l2_routing *route = arg; - /* ignore these commands */ - switch (cmd) { - case TUNER_SET_TYPE_ADDR: - return 0; - } - - if (!state->is_initialized) { + if (!state->is_initialized && valid_av_cmd(cmd)) { CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd); /* initialize on first use */ state->is_initialized = 1; diff --git a/linux/drivers/media/video/cx18/cx18-av-core.h b/linux/drivers/media/video/cx18/cx18-av-core.h index cf68a6039..d83760cae 100644 --- a/linux/drivers/media/video/cx18/cx18-av-core.h +++ b/linux/drivers/media/video/cx18/cx18-av-core.h @@ -79,11 +79,28 @@ struct cx18_av_state { enum cx18_av_audio_input aud_input; u32 audclk_freq; int audmode; - int vbi_line_offset; int default_volume; u32 id; u32 rev; int is_initialized; + + /* + * The VBI slicer starts operating and counting lines, begining at + * slicer line count of 1, at D lines after the deassertion of VRESET + * This staring field line, S, is 6 or 10 for 625 or 525 line systems. + * Sliced ancillary data captured on VBI slicer line M is sent at the + * beginning of the next VBI slicer line, VBI slicer line count N = M+1. + * Thus when the VBI slicer reports a VBI slicer line number with + * ancillary data, the IDID0 byte indicates VBI slicer line N. + * The actual field line that the captured data comes from is + * L = M+(S+D-1) = N-1+(S+D-1) = N + (S+D-2). + * + * D is the slicer_line_delay value programmed into register 0x47f. + * (S+D-2) is the slicer_line_offset used to convert slicer reported + * line counts to actual field lines. + */ + int slicer_line_delay; + int slicer_line_offset; }; diff --git a/linux/drivers/media/video/cx18/cx18-av-firmware.c b/linux/drivers/media/video/cx18/cx18-av-firmware.c index c64fd0a05..940ea9352 100644 --- a/linux/drivers/media/video/cx18/cx18-av-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-av-firmware.c @@ -36,7 +36,7 @@ int cx18_av_loadfw(struct cx18 *cx) int i; int retries1 = 0; - if (request_firmware(&fw, FWFILE, &cx->dev->dev) != 0) { + if (request_firmware(&fw, FWFILE, &cx->pci_dev->dev) != 0) { CX18_ERR("unable to open firmware %s\n", FWFILE); return -EINVAL; } @@ -115,9 +115,9 @@ int cx18_av_loadfw(struct cx18 *cx) are generated) */ cx18_av_write4(cx, CXADEC_I2S_OUT_CTL, 0x000001A0); - /* set alt I2s master clock to /16 and enable alt divider i2s + /* set alt I2s master clock to /0x16 and enable alt divider i2s passthrough */ - cx18_av_write4(cx, CXADEC_PIN_CFG3, 0x5000B687); + cx18_av_write4(cx, CXADEC_PIN_CFG3, 0x5600B687); cx18_av_write4_expect(cx, CXADEC_STD_DET_CTL, 0x000000F6, 0x000000F6, 0x3F00FFFF); @@ -131,7 +131,8 @@ int cx18_av_loadfw(struct cx18 *cx) v = cx18_read_reg(cx, CX18_AUDIO_ENABLE); /* If bit 11 is 1, clear bit 10 */ if (v & 0x800) - cx18_write_reg(cx, v & 0xFFFFFBFF, CX18_AUDIO_ENABLE); + cx18_write_reg_expect(cx, v & 0xFFFFFBFF, CX18_AUDIO_ENABLE, + 0, 0x400); /* Enable WW auto audio standard detection */ v = cx18_av_read4(cx, CXADEC_STD_DET_CTL); diff --git a/linux/drivers/media/video/cx18/cx18-av-vbi.c b/linux/drivers/media/video/cx18/cx18-av-vbi.c index 1527ea4f6..43267d1af 100644 --- a/linux/drivers/media/video/cx18/cx18-av-vbi.c +++ b/linux/drivers/media/video/cx18/cx18-av-vbi.c @@ -24,6 +24,52 @@ #include "cx18-driver.h" +/* + * For sliced VBI output, we set up to use VIP-1.1, 8-bit mode, + * NN counts 1 byte Dwords, an IDID with the VBI line # in it. + * Thus, according to the VIP-2 Spec, our VBI ancillary data lines + * (should!) look like: + * 4 byte EAV code: 0xff 0x00 0x00 0xRP + * unknown number of possible idle bytes + * 3 byte Anc data preamble: 0x00 0xff 0xff + * 1 byte data identifier: ne010iii (parity bits, 010, DID bits) + * 1 byte secondary data id: nessssss (parity bits, SDID bits) + * 1 byte data word count: necccccc (parity bits, NN Dword count) + * 2 byte Internal DID: VBI-line-# 0x80 + * NN data bytes + * 1 byte checksum + * Fill bytes needed to fil out to 4*NN bytes of payload + * + * The RP codes for EAVs when in VIP-1.1 mode, not in raw mode, & + * in the vertical blanking interval are: + * 0xb0 (Task 0 VerticalBlank HorizontalBlank 0 0 0 0) + * 0xf0 (Task EvenField VerticalBlank HorizontalBlank 0 0 0 0) + * + * Since the V bit is only allowed to toggle in the EAV RP code, just + * before the first active region line and for active lines, they are: + * 0x90 (Task 0 0 HorizontalBlank 0 0 0 0) + * 0xd0 (Task EvenField 0 HorizontalBlank 0 0 0 0) + * + * The user application DID bytes we care about are: + * 0x91 (1 0 010 0 !ActiveLine AncDataPresent) + * 0x55 (0 1 010 2ndField !ActiveLine AncDataPresent) + * + */ +static const u8 sliced_vbi_did[2] = { 0x91, 0x55 }; + +struct vbi_anc_data { + /* u8 eav[4]; */ + /* u8 idle[]; Variable number of idle bytes */ + u8 preamble[3]; + u8 did; + u8 sdid; + u8 data_count; + u8 idid[2]; + u8 payload[1]; /* data_count of payload */ + /* u8 checksum; */ + /* u8 fill[]; Variable number of fill bytes */ +}; + static int odd_parity(u8 c) { c ^= (c >> 4); @@ -96,7 +142,7 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */ 0, V4L2_SLICED_WSS_625, 0, /* 4 */ V4L2_SLICED_CAPTION_525, /* 6 */ - 0, 0, V4L2_SLICED_VPS, 0, 0, /* 9 */ + V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 - unlike cx25840 */ 0, 0, 0, 0 }; int is_pal = !(state->std & V4L2_STD_525_60); @@ -136,7 +182,6 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) case VIDIOC_S_FMT: { int is_pal = !(state->std & V4L2_STD_525_60); - int vbi_offset = is_pal ? 1 : 0; int i, x; u8 lcr[24]; @@ -153,7 +198,7 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) cx18_av_std_setup(cx); /* VBI Offset */ - cx18_av_write(cx, 0x47f, vbi_offset); + cx18_av_write(cx, 0x47f, state->slicer_line_delay); cx18_av_write(cx, 0x404, 0x2e); break; } @@ -167,8 +212,9 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) /* Sliced VBI */ cx18_av_write(cx, 0x404, 0x32); /* Ancillary data */ cx18_av_write(cx, 0x406, 0x13); - cx18_av_write(cx, 0x47f, vbi_offset); + cx18_av_write(cx, 0x47f, state->slicer_line_delay); + /* Force impossible lines to 0 */ if (is_pal) { for (i = 0; i <= 6; i++) svbi->service_lines[0][i] = @@ -183,6 +229,7 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) svbi->service_lines[1][i] = 0; } + /* Build register values for requested service lines */ for (i = 7; i <= 23; i++) { for (x = 0; x <= 1; x++) { switch (svbi->service_lines[1-x][i]) { @@ -196,7 +243,7 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) lcr[i] |= 6 << (4 * x); break; case V4L2_SLICED_VPS: - lcr[i] |= 9 << (4 * x); + lcr[i] |= 7 << (4 * x); /*'840 differs*/ break; } } @@ -213,54 +260,61 @@ int cx18_av_vbi(struct cx18 *cx, unsigned int cmd, void *arg) } cx18_av_write(cx, 0x43c, 0x16); - cx18_av_write(cx, 0x474, is_pal ? 0x2a : 0x22); + /* FIXME - should match vblank set in cx18_av_std_setup() */ + cx18_av_write(cx, 0x474, is_pal ? 0x2a : 26); break; } case VIDIOC_INT_DECODE_VBI_LINE: { struct v4l2_decode_vbi_line *vbi = arg; - u8 *p = vbi->p; - int id1, id2, l, err = 0; - - if (p[0] || p[1] != 0xff || p[2] != 0xff || - (p[3] != 0x55 && p[3] != 0x91)) { + u8 *p; + struct vbi_anc_data *anc = (struct vbi_anc_data *) vbi->p; + int did, sdid, l, err = 0; + + /* + * Check for the ancillary data header for sliced VBI + */ + if (anc->preamble[0] || + anc->preamble[1] != 0xff || anc->preamble[2] != 0xff || + (anc->did != sliced_vbi_did[0] && + anc->did != sliced_vbi_did[1])) { vbi->line = vbi->type = 0; break; } - p += 4; - id1 = p[-1]; - id2 = p[0] & 0xf; - l = p[2] & 0x3f; - l += state->vbi_line_offset; - p += 4; + did = anc->did; + sdid = anc->sdid & 0xf; + l = anc->idid[0] & 0x3f; + l += state->slicer_line_offset; + p = anc->payload; - switch (id2) { + /* Decode the SDID set by the slicer */ + switch (sdid) { case 1: - id2 = V4L2_SLICED_TELETEXT_B; + sdid = V4L2_SLICED_TELETEXT_B; break; case 4: - id2 = V4L2_SLICED_WSS_625; + sdid = V4L2_SLICED_WSS_625; break; case 6: - id2 = V4L2_SLICED_CAPTION_525; + sdid = V4L2_SLICED_CAPTION_525; err = !odd_parity(p[0]) || !odd_parity(p[1]); break; - case 9: - id2 = V4L2_SLICED_VPS; + case 7: /* Differs from cx25840 */ + sdid = V4L2_SLICED_VPS; if (decode_vps(p, p) != 0) err = 1; break; default: - id2 = 0; + sdid = 0; err = 1; break; } - vbi->type = err ? 0 : id2; + vbi->type = err ? 0 : sdid; vbi->line = err ? 0 : l; - vbi->is_second_field = err ? 0 : (id1 == 0x55); + vbi->is_second_field = err ? 0 : (did == sliced_vbi_did[1]); vbi->p = p; break; } diff --git a/linux/drivers/media/video/cx18/cx18-cards.c b/linux/drivers/media/video/cx18/cx18-cards.c index 10cddba3e..c0177ce39 100644 --- a/linux/drivers/media/video/cx18/cx18-cards.c +++ b/linux/drivers/media/video/cx18/cx18-cards.c @@ -51,7 +51,7 @@ static struct cx18_card_tuner_i2c cx18_i2c_std = { static const struct cx18_card cx18_card_hvr1600_esmt = { .type = CX18_CARD_HVR_1600_ESMT, .name = "Hauppauge HVR-1600", - .comment = "Raw VBI supported; Sliced VBI is not yet supported\n", + .comment = "Simultaneous Digital and Analog TV capture supported\n", .v4l2_capabilities = CX18_CAP_ENCODER, .hw_audio_ctrl = CX18_HW_CX23418, .hw_muxer = CX18_HW_CS5345, @@ -97,7 +97,7 @@ static const struct cx18_card cx18_card_hvr1600_esmt = { static const struct cx18_card cx18_card_hvr1600_samsung = { .type = CX18_CARD_HVR_1600_SAMSUNG, .name = "Hauppauge HVR-1600 (Preproduction)", - .comment = "Raw VBI supported; Sliced VBI is not yet supported\n", + .comment = "Simultaneous Digital and Analog TV capture supported\n", .v4l2_capabilities = CX18_CAP_ENCODER, .hw_audio_ctrl = CX18_HW_CX23418, .hw_muxer = CX18_HW_CS5345, @@ -152,7 +152,7 @@ static const struct cx18_card_pci_info cx18_pci_h900[] = { static const struct cx18_card cx18_card_h900 = { .type = CX18_CARD_COMPRO_H900, .name = "Compro VideoMate H900", - .comment = "Raw VBI supported; Sliced VBI is not yet supported\n", + .comment = "Analog TV capture supported\n", .v4l2_capabilities = CX18_CAP_ENCODER, .hw_audio_ctrl = CX18_HW_CX23418, .hw_all = CX18_HW_TUNER, @@ -249,7 +249,7 @@ static const struct cx18_card_pci_info cx18_pci_cnxt_raptor_pal[] = { static const struct cx18_card cx18_card_cnxt_raptor_pal = { .type = CX18_CARD_CNXT_RAPTOR_PAL, .name = "Conexant Raptor PAL/SECAM", - .comment = "Raw VBI supported; Sliced VBI is not yet supported\n", + .comment = "Analog TV capture supported\n", .v4l2_capabilities = CX18_CAP_ENCODER, .hw_audio_ctrl = CX18_HW_CX23418, .hw_muxer = CX18_HW_GPIO, @@ -349,13 +349,14 @@ static const struct cx18_card cx18_card_toshiba_qosmio_dvbt = { /* Leadtek WinFast PVR2100 */ static const struct cx18_card_pci_info cx18_pci_leadtek_pvr2100[] = { - { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6f27 }, + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6f27 }, /* PVR2100 */ + { PCI_DEVICE_ID_CX23418, CX18_PCI_ID_LEADTEK, 0x6690 }, /* DVR3100 H */ { 0, 0, 0 } }; static const struct cx18_card cx18_card_leadtek_pvr2100 = { .type = CX18_CARD_LEADTEK_PVR2100, - .name = "Leadtek WinFast PVR2100", + .name = "Leadtek WinFast PVR2100/DVR3100 H", .comment = "Experimenters and photos needed for device to work well.\n" "\tTo help, mail the ivtv-devel list (www.ivtvdriver.org).\n", .v4l2_capabilities = CX18_CAP_ENCODER, diff --git a/linux/drivers/media/video/cx18/cx18-cards.h b/linux/drivers/media/video/cx18/cx18-cards.h index 6fa7bcb42..f8ee29f10 100644 --- a/linux/drivers/media/video/cx18/cx18-cards.h +++ b/linux/drivers/media/video/cx18/cx18-cards.h @@ -49,8 +49,7 @@ /* V4L2 capability aliases */ #define CX18_CAP_ENCODER (V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER | \ V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | \ - V4L2_CAP_VBI_CAPTURE) -/* | V4L2_CAP_SLICED_VBI_CAPTURE) not yet */ + V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE) struct cx18_card_video_input { u8 video_type; /* video input type */ diff --git a/linux/drivers/media/video/cx18/cx18-controls.c b/linux/drivers/media/video/cx18/cx18-controls.c index 17edf305d..6af4d5c19 100644 --- a/linux/drivers/media/video/cx18/cx18-controls.c +++ b/linux/drivers/media/video/cx18/cx18-controls.c @@ -178,8 +178,8 @@ static int cx18_setup_vbi_fmt(struct cx18 *cx, enum v4l2_mpeg_stream_vbi_fmt fmt int i; for (i = 0; i < CX18_VBI_FRAMES; i++) { - /* Yuck, hardcoded. Needs to be a define */ - cx->vbi.sliced_mpeg_data[i] = kmalloc(2049, GFP_KERNEL); + cx->vbi.sliced_mpeg_data[i] = + kmalloc(CX18_SLICED_MPEG_DATA_BUFSZ, GFP_KERNEL); if (cx->vbi.sliced_mpeg_data[i] == NULL) { while (--i >= 0) { kfree(cx->vbi.sliced_mpeg_data[i]); diff --git a/linux/drivers/media/video/cx18/cx18-driver.c b/linux/drivers/media/video/cx18/cx18-driver.c index e447b4ce7..f78566bcd 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.c +++ b/linux/drivers/media/video/cx18/cx18-driver.c @@ -159,7 +159,7 @@ MODULE_PARM_DESC(cardtype, "\t\t\t 4 = Yuan MPC718\n" "\t\t\t 5 = Conexant Raptor PAL/SECAM\n" "\t\t\t 6 = Toshiba Qosmio DVB-T/Analog\n" - "\t\t\t 7 = Leadtek WinFast PVR2100\n" + "\t\t\t 7 = Leadtek WinFast PVR2100/DVR3100 H\n" "\t\t\t 0 = Autodetect (default)\n" "\t\t\t-1 = Ignore this card\n\t\t"); MODULE_PARM_DESC(pal, "Set PAL standard: B, G, H, D, K, I, M, N, Nc, 60"); @@ -448,34 +448,38 @@ static void cx18_process_options(struct cx18 *cx) cx->stream_buf_size[CX18_ENC_STREAM_TYPE_MPG] = enc_mpg_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_IDX] = enc_idx_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_YUV] = enc_yuv_bufsize; - cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = 0; /* computed later */ + cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_active_samples * 36; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_PCM] = enc_pcm_bufsize; cx->stream_buf_size[CX18_ENC_STREAM_TYPE_RAD] = 0; /* control no data */ - /* Except for VBI ensure stream_buffers & stream_buf_size are valid */ + /* Ensure stream_buffers & stream_buf_size are valid */ for (i = 0; i < CX18_MAX_STREAMS; i++) { - /* User said to use 0 buffers */ - if (cx->stream_buffers[i] == 0) { - cx->options.megabytes[i] = 0; - cx->stream_buf_size[i] = 0; - continue; - } - /* User said to use 0 MB total */ - if (cx->options.megabytes[i] <= 0) { + if (cx->stream_buffers[i] == 0 || /* User said 0 buffers */ + cx->options.megabytes[i] <= 0 || /* User said 0 MB total */ + cx->stream_buf_size[i] <= 0) { /* User said buf size 0 */ cx->options.megabytes[i] = 0; cx->stream_buffers[i] = 0; cx->stream_buf_size[i] = 0; continue; } - /* VBI is computed later or user said buffer has size 0 */ - if (cx->stream_buf_size[i] <= 0) { - if (i != CX18_ENC_STREAM_TYPE_VBI) { - cx->options.megabytes[i] = 0; - cx->stream_buffers[i] = 0; - cx->stream_buf_size[i] = 0; + /* + * VBI is a special case where the stream_buf_size is fixed + * and already in bytes + */ + if (i == CX18_ENC_STREAM_TYPE_VBI) { + if (cx->stream_buffers[i] < 0) { + cx->stream_buffers[i] = + cx->options.megabytes[i] * 1024 * 1024 + / cx->stream_buf_size[i]; + } else { + /* N.B. This might round down to 0 */ + cx->options.megabytes[i] = + cx->stream_buffers[i] + * cx->stream_buf_size[i]/(1024 * 1024); } continue; } + /* All other streams have stream_buf_size in kB at this point */ if (cx->stream_buffers[i] < 0) { cx->stream_buffers[i] = cx->options.megabytes[i] * 1024 / cx->stream_buf_size[i]; @@ -502,7 +506,7 @@ static void cx18_process_options(struct cx18 *cx) else if (cx->options.cardtype != 0) CX18_ERR("Unknown user specified type, trying to autodetect card\n"); if (cx->card == NULL) { - if (cx->dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { + if (cx->pci_dev->subsystem_vendor == CX18_PCI_ID_HAUPPAUGE) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); CX18_INFO("Autodetected Hauppauge card\n"); } @@ -512,13 +516,13 @@ static void cx18_process_options(struct cx18 *cx) if (cx->card->pci_list == NULL) continue; for (j = 0; cx->card->pci_list[j].device; j++) { - if (cx->dev->device != + if (cx->pci_dev->device != cx->card->pci_list[j].device) continue; - if (cx->dev->subsystem_vendor != + if (cx->pci_dev->subsystem_vendor != cx->card->pci_list[j].subsystem_vendor) continue; - if (cx->dev->subsystem_device != + if (cx->pci_dev->subsystem_device != cx->card->pci_list[j].subsystem_device) continue; CX18_INFO("Autodetected %s card\n", cx->card->name); @@ -531,9 +535,10 @@ done: if (cx->card == NULL) { cx->card = cx18_get_card(CX18_CARD_HVR_1600_ESMT); CX18_ERR("Unknown card: vendor/device: [%04x:%04x]\n", - cx->dev->vendor, cx->dev->device); + cx->pci_dev->vendor, cx->pci_dev->device); CX18_ERR(" subsystem vendor/device: [%04x:%04x]\n", - cx->dev->subsystem_vendor, cx->dev->subsystem_device); + cx->pci_dev->subsystem_vendor, + cx->pci_dev->subsystem_device); CX18_ERR("Defaulting to %s card\n", cx->card->name); CX18_ERR("Please mail the vendor/device and subsystem vendor/device IDs and what kind of\n"); CX18_ERR("card you have to the ivtv-devel mailinglist (www.ivtvdriver.org)\n"); @@ -553,7 +558,7 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) { int i; - cx->base_addr = pci_resource_start(cx->dev, 0); + cx->base_addr = pci_resource_start(cx->pci_dev, 0); mutex_init(&cx->serialize_lock); mutex_init(&cx->i2c_bus_lock[0]); @@ -562,8 +567,6 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) mutex_init(&cx->epu2apu_mb_lock); mutex_init(&cx->epu2cpu_mb_lock); - spin_lock_init(&cx->lock); - cx->work_queue = create_singlethread_workqueue(cx->name); if (cx->work_queue == NULL) { CX18_ERR("Unable to create work hander thread\n"); @@ -592,7 +595,8 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) (cx->params.video_temporal_filter_mode << 1) | (cx->params.video_median_filter_type << 2); cx->params.port = CX2341X_PORT_MEMORY; - cx->params.capabilities = CX2341X_CAP_HAS_TS; + cx->params.capabilities = + CX2341X_CAP_HAS_TS | CX2341X_CAP_HAS_AC3 | CX2341X_CAP_HAS_SLICED_VBI; init_waitqueue_head(&cx->cap_w); init_waitqueue_head(&cx->mb_apu_waitq); init_waitqueue_head(&cx->mb_cpu_waitq); @@ -602,49 +606,6 @@ static int __devinit cx18_init_struct1(struct cx18 *cx) cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; cx->vbi.sliced_in = &cx->vbi.in.fmt.sliced; - /* - * The VBI line sizes depend on the pixel clock and the horiz rate - * - * (1/Fh)*(2*Fp) = Samples/line - * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples - * - * Sliced VBI is sent as ancillary data during horizontal blanking - * Raw VBI is sent as active video samples during vertcal blanking - * - * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line - * length of 720 pixels @ 4:2:2 sampling. Thus... - * - * For systems that use a 15.734 kHz horizontal rate, such as - * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: - * - * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = - * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples - * - * For systems that use a 15.625 kHz horizontal rate, such as - * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: - * - * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = - * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples - * - */ - - /* FIXME: init these based on tuner std & modify when std changes */ - /* CX18-AV-Core number of VBI samples output per horizontal line */ - cx->vbi.raw_decoder_line_size = 1444; /* 4 byte SAV + 2 * 720 */ - cx->vbi.sliced_decoder_line_size = 272; /* 60 Hz: 268+4, 50 Hz: 280+4 */ - - /* CX18-AV-Core VBI samples/line possibly rounded up */ - cx->vbi.raw_size = 1444; /* Real max size is 1444 */ - cx->vbi.sliced_size = 284; /* Real max size is 284 */ - - /* - * CX18-AV-Core SAV/EAV RP codes in VIP 1.x mode - * Task Field VerticalBlank HorizontalBlank 0 0 0 0 - */ - cx->vbi.raw_decoder_sav_odd_field = 0x20; /* V */ - cx->vbi.raw_decoder_sav_even_field = 0x60; /* FV */ - cx->vbi.sliced_decoder_sav_odd_field = 0xB0; /* T VH - actually EAV */ - cx->vbi.sliced_decoder_sav_even_field = 0xF0; /* TFVH - actually EAV */ return 0; } @@ -677,11 +638,12 @@ static void __devinit cx18_init_struct2(struct cx18 *cx) cx->av_state.aud_input = CX18_AV_AUDIO8; cx->av_state.audclk_freq = 48000; cx->av_state.audmode = V4L2_TUNER_MODE_LANG1; - /* FIXME - 8 is NTSC value, investigate */ - cx->av_state.vbi_line_offset = 8; + cx->av_state.slicer_line_delay = 0; + cx->av_state.slicer_line_offset = + (10 + cx->av_state.slicer_line_delay - 2); } -static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, +static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { u16 cmd; @@ -689,11 +651,11 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, CX18_DEBUG_INFO("Enabling pci device\n"); - if (pci_enable_device(dev)) { + if (pci_enable_device(pci_dev)) { CX18_ERR("Can't enable device %d!\n", cx->num); return -EIO; } - if (pci_set_dma_mask(dev, 0xffffffff)) { + if (pci_set_dma_mask(pci_dev, 0xffffffff)) { CX18_ERR("No suitable DMA available on card %d.\n", cx->num); return -EIO; } @@ -703,25 +665,25 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *dev, } /* Enable bus mastering and memory mapped IO for the CX23418 */ - pci_read_config_word(dev, PCI_COMMAND, &cmd); + pci_read_config_word(pci_dev, PCI_COMMAND, &cmd); cmd |= PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER; - pci_write_config_word(dev, PCI_COMMAND, cmd); + pci_write_config_word(pci_dev, PCI_COMMAND, cmd); - pci_read_config_byte(dev, PCI_CLASS_REVISION, &cx->card_rev); - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); + pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &cx->card_rev); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); if (pci_latency < 64 && cx18_pci_latency) { CX18_INFO("Unreasonably low latency timer, " "setting to 64 (was %d)\n", pci_latency); - pci_write_config_byte(dev, PCI_LATENCY_TIMER, 64); - pci_read_config_byte(dev, PCI_LATENCY_TIMER, &pci_latency); + pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, 64); + pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &pci_latency); } CX18_DEBUG_INFO("cx%d (rev %d) at %02x:%02x.%x, " "irq: %d, latency: %d, memory: 0x%lx\n", - cx->dev->device, cx->card_rev, dev->bus->number, - PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn), - cx->dev->irq, pci_latency, (unsigned long)cx->base_addr); + cx->pci_dev->device, cx->card_rev, pci_dev->bus->number, + PCI_SLOT(pci_dev->devfn), PCI_FUNC(pci_dev->devfn), + cx->pci_dev->irq, pci_latency, (unsigned long)cx->base_addr); return 0; } @@ -732,7 +694,7 @@ static u32 cx18_request_module(struct cx18 *cx, u32 hw, { if ((hw & id) == 0) return hw; - if (request_module(name) != 0) { + if (request_module("%s", name) != 0) { CX18_ERR("Failed to load module %s\n", name); return hw & ~id; } @@ -776,12 +738,11 @@ static void cx18_load_and_init_modules(struct cx18 *cx) hw = cx->hw_flags; } -static int __devinit cx18_probe(struct pci_dev *dev, +static int __devinit cx18_probe(struct pci_dev *pci_dev, const struct pci_device_id *pci_id) { int retval = 0; int i; - int vbi_buf_size; u32 devtype; struct cx18 *cx; @@ -801,33 +762,37 @@ static int __devinit cx18_probe(struct pci_dev *dev, return -ENOMEM; } cx18_cards[cx18_cards_active] = cx; - cx->dev = dev; cx->num = cx18_cards_active++; snprintf(cx->name, sizeof(cx->name), "cx18-%d", cx->num); CX18_INFO("Initializing card #%d\n", cx->num); spin_unlock(&cx18_cards_lock); + cx->pci_dev = pci_dev; + retval = v4l2_device_register(&pci_dev->dev, &cx->v4l2_dev); + if (retval) { + CX18_ERR("Call to v4l2_device_register() failed\n"); + goto err; + } + CX18_DEBUG_INFO("registered v4l2_device name: %s\n", cx->v4l2_dev.name); + cx18_process_options(cx); if (cx->options.cardtype == -1) { retval = -ENODEV; - goto err; + goto unregister_v4l2; } if (cx18_init_struct1(cx)) { retval = -ENOMEM; - goto err; + goto unregister_v4l2; } CX18_DEBUG_INFO("base addr: 0x%08x\n", cx->base_addr); /* PCI Device Setup */ - retval = cx18_setup_pci(cx, dev, pci_id); + retval = cx18_setup_pci(cx, pci_dev, pci_id); if (retval != 0) goto free_workqueue; - /* save cx in the pci struct for later use */ - pci_set_drvdata(dev, cx); - /* map io memory */ CX18_DEBUG_INFO("attempting ioremap at 0x%08x len 0x%08x\n", cx->base_addr + CX18_MEM_OFFSET, CX18_MEM_SIZE); @@ -886,7 +851,7 @@ static int __devinit cx18_probe(struct pci_dev *dev, cx18_init_scb(cx); /* Register IRQ */ - retval = request_irq(cx->dev->irq, cx18_irq_handler, + retval = request_irq(cx->pci_dev->irq, cx18_irq_handler, IRQF_SHARED | IRQF_DISABLED, cx->name, (void *)cx); if (retval) { CX18_ERR("Failed to register irq %d\n", retval); @@ -933,23 +898,6 @@ static int __devinit cx18_probe(struct pci_dev *dev, } cx->params.video_gop_size = cx->is_60hz ? 15 : 12; - /* - * FIXME: setting the buffer size based on the tuner standard is - * suboptimal, as the CVBS and SVideo inputs could use a different std - * and the buffer could end up being too small in that case. - */ - vbi_buf_size = cx->vbi.raw_size * (cx->is_60hz ? 24 : 36) / 2; - cx->stream_buf_size[CX18_ENC_STREAM_TYPE_VBI] = vbi_buf_size; - - if (cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] < 0) - cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] = - cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] * 1024 * 1024 - / vbi_buf_size; - else - cx->options.megabytes[CX18_ENC_STREAM_TYPE_VBI] = - cx->stream_buffers[CX18_ENC_STREAM_TYPE_VBI] * vbi_buf_size - / (1024 * 1024); - if (cx->options.radio > 0) cx->v4l2_cap |= V4L2_CAP_RADIO; @@ -997,7 +945,7 @@ static int __devinit cx18_probe(struct pci_dev *dev, free_streams: cx18_streams_cleanup(cx, 1); free_irq: - free_irq(cx->dev->irq, (void *)cx); + free_irq(cx->pci_dev->irq, (void *)cx); free_i2c: exit_cx18_i2c(cx); free_map: @@ -1006,6 +954,8 @@ free_mem: release_mem_region(cx->base_addr, CX18_MEM_SIZE); free_workqueue: destroy_workqueue(cx->work_queue); +unregister_v4l2: + v4l2_device_unregister(&cx->v4l2_dev); err: if (retval == 0) retval = -ENODEV; @@ -1048,8 +998,21 @@ int cx18_init_on_first_open(struct cx18 *cx) } set_bit(CX18_F_I_LOADED_FW, &cx->i_flags); - /* Init the firmware twice to work around a silicon bug - * transport related. */ + /* + * Init the firmware twice to work around a silicon bug + * with the digital TS. + * + * The second firmware load requires us to normalize the APU state, + * or the audio for the first analog capture will be badly incorrect. + * + * I can't seem to call APU_RESETAI and have it succeed without the + * APU capturing audio, so we start and stop it here to do the reset + */ + + /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ + cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); + cx18_vapi(cx, CX18_APU_RESETAI, 0); + cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); fw_retry_count = 3; while (--fw_retry_count > 0) { @@ -1065,6 +1028,19 @@ int cx18_init_on_first_open(struct cx18 *cx) return -ENXIO; } + /* + * The second firmware load requires us to normalize the APU state, + * or the audio for the first analog capture will be badly incorrect. + * + * I can't seem to call APU_RESETAI and have it succeed without the + * APU capturing audio, so we start and stop it here to do the reset + */ + + /* MPEG Encoding, 224 kbps, MPEG Layer II, 48 ksps */ + cx18_vapi(cx, CX18_APU_START, 2, CX18_APU_ENCODING_METHOD_MPEG|0xb9, 0); + cx18_vapi(cx, CX18_APU_RESETAI, 0); + cx18_vapi(cx, CX18_APU_STOP, 1, CX18_APU_ENCODING_METHOD_MPEG); + vf.tuner = 0; vf.type = V4L2_TUNER_ANALOG_TV; vf.frequency = 6400; /* the tuner 'baseline' frequency */ @@ -1099,7 +1075,8 @@ static void cx18_cancel_epu_work_orders(struct cx18 *cx) #endif static void cx18_remove(struct pci_dev *pci_dev) { - struct cx18 *cx = pci_get_drvdata(pci_dev); + struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev); + struct cx18 *cx = container_of(v4l2_dev, struct cx18, v4l2_dev); CX18_DEBUG_INFO("Removing Card #%d\n", cx->num); @@ -1131,13 +1108,15 @@ static void cx18_remove(struct pci_dev *pci_dev) exit_cx18_i2c(cx); - free_irq(cx->dev->irq, (void *)cx); + free_irq(cx->pci_dev->irq, (void *)cx); cx18_iounmap(cx); release_mem_region(cx->base_addr, CX18_MEM_SIZE); - pci_disable_device(cx->dev); + pci_disable_device(cx->pci_dev); + + v4l2_device_unregister(v4l2_dev); CX18_INFO("Removed %s, card #%d\n", cx->card_name, cx->num); } diff --git a/linux/drivers/media/video/cx18/cx18-driver.h b/linux/drivers/media/video/cx18/cx18-driver.h index 0d2edebc3..7fc914c52 100644 --- a/linux/drivers/media/video/cx18/cx18-driver.h +++ b/linux/drivers/media/video/cx18/cx18-driver.h @@ -48,6 +48,7 @@ #include <linux/dvb/audio.h> #include <media/v4l2-common.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-device.h> #include <media/tuner.h> #include "cx18-mailbox.h" #include "cx18-av-core.h" @@ -79,7 +80,7 @@ #define CX18_CARD_YUAN_MPC718 3 /* Yuan MPC718 */ #define CX18_CARD_CNXT_RAPTOR_PAL 4 /* Conexant Raptor PAL */ #define CX18_CARD_TOSHIBA_QOSMIO_DVBT 5 /* Toshiba Qosmio Interal DVB-T/Analog*/ -#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100 */ +#define CX18_CARD_LEADTEK_PVR2100 6 /* Leadtek WinFast PVR2100/DVR3100 H */ #define CX18_CARD_LAST 6 #define CX18_ENC_STREAM_TYPE_MPG 0 @@ -279,7 +280,7 @@ struct cx18_epu_work_order { struct cx18_stream { /* These first four fields are always set, even if the stream is not actually created. */ - struct video_device *v4l2dev; /* NULL when stream not created */ + struct video_device *video_dev; /* NULL when stream not created */ struct cx18 *cx; /* for ease of use */ const char *name; /* name of the stream */ int type; /* stream type */ @@ -292,7 +293,6 @@ struct cx18_stream { int dma; /* can be PCI_DMA_TODEVICE, PCI_DMA_FROMDEVICE or PCI_DMA_NONE */ - u64 dma_pts; wait_queue_head_t waitq; /* Buffer Stats */ @@ -318,59 +318,121 @@ struct cx18_open_id { /* forward declaration of struct defined in cx18-cards.h */ struct cx18_card; +/* + * A note about "sliced" VBI data as implemented in this driver: + * + * Currently we collect the sliced VBI in the form of Ancillary Data + * packets, inserted by the AV core decoder/digitizer/slicer in the + * horizontal blanking region of the VBI lines, in "raw" mode as far as + * the Encoder is concerned. We don't ever tell the Encoder itself + * to provide sliced VBI. (AV Core: sliced mode - Encoder: raw mode) + * + * We then process the ancillary data ourselves to send the sliced data + * to the user application directly or build up MPEG-2 private stream 1 + * packets to splice into (only!) MPEG-2 PS streams for the user app. + * + * (That's how ivtv essentially does it.) + * + * The Encoder should be able to extract certain sliced VBI data for + * us and provide it in a separate stream or splice it into any type of + * MPEG PS or TS stream, but this isn't implemented yet. + */ + +/* + * Number of "raw" VBI samples per horizontal line we tell the Encoder to + * grab from the decoder/digitizer/slicer output for raw or sliced VBI. + * It depends on the pixel clock and the horiz rate: + * + * (1/Fh)*(2*Fp) = Samples/line + * = 4 bytes EAV + Anc data in hblank + 4 bytes SAV + active samples + * + * Sliced VBI data is sent as ancillary data during horizontal blanking + * Raw VBI is sent as active video samples during vertcal blanking + * + * We use a BT.656 pxiel clock of 13.5 MHz and a BT.656 active line + * length of 720 pixels @ 4:2:2 sampling. Thus... + * + * For systems that use a 15.734 kHz horizontal rate, such as + * NTSC-M, PAL-M, PAL-60, and other 60 Hz/525 line systems, we have: + * + * (1/15.734 kHz) * 2 * 13.5 MHz = 1716 samples/line = + * 4 bytes SAV + 268 bytes anc data + 4 bytes SAV + 1440 active samples + * + * For systems that use a 15.625 kHz horizontal rate, such as + * PAL-B/G/H, PAL-I, SECAM-L and other 50 Hz/625 line systems, we have: + * + * (1/15.625 kHz) * 2 * 13.5 MHz = 1728 samples/line = + * 4 bytes SAV + 280 bytes anc data + 4 bytes SAV + 1440 active samples + */ +static const u32 vbi_active_samples = 1444; /* 4 byte SAV + 720 Y + 720 U/V */ +static const u32 vbi_hblank_samples_60Hz = 272; /* 4 byte EAV + 268 anc/fill */ +static const u32 vbi_hblank_samples_50Hz = 284; /* 4 byte EAV + 280 anc/fill */ #define CX18_VBI_FRAMES 32 -/* VBI data */ struct vbi_info { - u32 enc_size; - u32 frame; - u8 cc_data_odd[256]; - u8 cc_data_even[256]; - int cc_pos; - u8 cc_no_update; - u8 vps[5]; - u8 vps_found; - int wss; - u8 wss_found; - u8 wss_no_update; - u32 raw_decoder_line_size; - u8 raw_decoder_sav_odd_field; - u8 raw_decoder_sav_even_field; - u32 sliced_decoder_line_size; - u8 sliced_decoder_sav_odd_field; - u8 sliced_decoder_sav_even_field; + /* Current state of v4l2 VBI settings for this device */ struct v4l2_format in; - /* convenience pointer to sliced struct in vbi_in union */ - struct v4l2_sliced_vbi_format *sliced_in; - u32 service_set_in; - int insert_mpeg; + struct v4l2_sliced_vbi_format *sliced_in; /* pointer to in.fmt.sliced */ + u32 count; /* Count of VBI data lines: 60 Hz: 12 or 50 Hz: 18 */ + u32 start[2]; /* First VBI data line per field: 10 & 273 or 6 & 318 */ - /* Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. - One for /dev/vbi0 and one for /dev/vbi8 */ - struct v4l2_sliced_vbi_data sliced_data[36]; + u32 frame; /* Count of VBI buffers/frames received from Encoder */ - /* Buffer for VBI data inserted into MPEG stream. - The first byte is a dummy byte that's never used. - The next 16 bytes contain the MPEG header for the VBI data, - the remainder is the actual VBI data. - The max size accepted by the MPEG VBI reinsertion turns out - to be 1552 bytes, which happens to be 4 + (1 + 42) * (2 * 18) bytes, - where 4 is a four byte header, 42 is the max sliced VBI payload, 1 is - a single line header byte and 2 * 18 is the number of VBI lines per frame. + /* + * Vars for creation and insertion of MPEG Private Stream 1 packets + * of sliced VBI data into an MPEG PS + */ - However, it seems that the data must be 1K aligned, so we have to - pad the data until the 1 or 2 K boundary. + /* Boolean: create and insert Private Stream 1 packets into the PS */ + int insert_mpeg; - This pointer array will allocate 2049 bytes to store each VBI frame. */ + /* + * Buffer for the maximum of 2 * 18 * packet_size sliced VBI lines. + * Used in cx18-vbi.c only for collecting sliced data, and as a source + * during conversion of sliced VBI data into MPEG Priv Stream 1 packets. + * We don't need to save state here, but the array may have been a bit + * too big (2304 bytes) to alloc from the stack. + */ + struct v4l2_sliced_vbi_data sliced_data[36]; + + /* + * A ring buffer of driver-generated MPEG-2 PS + * Program Pack/Private Stream 1 packets for sliced VBI data insertion + * into the MPEG PS stream. + * + * In each sliced_mpeg_data[] buffer is: + * 16 byte MPEG-2 PS Program Pack Header + * 16 byte MPEG-2 Private Stream 1 PES Header + * 4 byte magic number: "itv0" or "ITV0" + * 4 byte first field line mask, if "itv0" + * 4 byte second field line mask, if "itv0" + * 36 lines, if "ITV0"; or <36 lines, if "itv0"; of sliced VBI data + * + * Each line in the payload is + * 1 byte line header derived from the SDID (WSS, CC, VPS, etc.) + * 42 bytes of line data + * + * That's a maximum 1552 bytes of payload in the Private Stream 1 packet + * which is the payload size a PVR-350 (CX23415) MPEG decoder will + * accept for VBI data. So, including the headers, it's a maximum 1584 + * bytes total. + */ +#define CX18_SLICED_MPEG_DATA_MAXSZ 1584 + /* copy_vbi_buf() needs 8 temp bytes on the end for the worst case */ +#define CX18_SLICED_MPEG_DATA_BUFSZ (CX18_SLICED_MPEG_DATA_MAXSZ+8) u8 *sliced_mpeg_data[CX18_VBI_FRAMES]; u32 sliced_mpeg_size[CX18_VBI_FRAMES]; - struct cx18_buffer sliced_mpeg_buf; + + /* Count of Program Pack/Program Stream 1 packets inserted into PS */ u32 inserted_frame; - u32 start[2], count; - u32 raw_size; - u32 sliced_size; + /* + * A dummy driver stream transfer buffer with a copy of the next + * sliced_mpeg_data[] buffer for output to userland apps. + * Only used in cx18-fileops.c, but its state needs to persist at times. + */ + struct cx18_buffer sliced_mpeg_buf; }; /* Per cx23418, per I2C bus private algo callback data */ @@ -385,7 +447,9 @@ struct cx18_i2c_algo_callback_data { struct cx18 { int num; /* board number, -1 during init! */ char name[8]; /* board name for printk and interrupts (e.g. 'cx180') */ - struct pci_dev *dev; /* PCI device */ + struct pci_dev *pci_dev; + struct v4l2_device v4l2_dev; + const struct cx18_card *card; /* card information */ const char *card_name; /* full name of the card */ const struct cx18_card_tuner_i2c *card_i2c; /* i2c addresses to probe for tuner */ @@ -413,10 +477,7 @@ struct cx18 { /* dualwatch */ unsigned long dualwatch_jiffies; - u16 dualwatch_stereo_mode; - - /* Digitizer type */ - int digitizer; /* 0x00EF = saa7114 0x00FO = saa7115 0x0106 = mic */ + u32 dualwatch_stereo_mode; struct mutex serialize_lock; /* mutex used to serialize open/close/start/stop/ioctl operations */ struct cx18_options options; /* User options */ @@ -426,7 +487,6 @@ struct cx18 { unsigned long i_flags; /* global cx18 flags */ atomic_t ana_capturing; /* count number of active analog capture streams */ atomic_t tot_capturing; /* total count number of active capture streams */ - spinlock_t lock; /* lock access to this struct */ int search_pack_header; int open_id; /* incremented each time an open occurs, used as diff --git a/linux/drivers/media/video/cx18/cx18-dvb.c b/linux/drivers/media/video/cx18/cx18-dvb.c index bd5e6f3fd..3b86f57cd 100644 --- a/linux/drivers/media/video/cx18/cx18-dvb.c +++ b/linux/drivers/media/video/cx18/cx18-dvb.c @@ -167,7 +167,7 @@ int cx18_dvb_register(struct cx18_stream *stream) ret = dvb_register_adapter(&dvb->dvb_adapter, CX18_DRIVER_NAME, - THIS_MODULE, &cx->dev->dev, adapter_nr); + THIS_MODULE, &cx->pci_dev->dev, adapter_nr); if (ret < 0) goto err_out; diff --git a/linux/drivers/media/video/cx18/cx18-fileops.c b/linux/drivers/media/video/cx18/cx18-fileops.c index 0aaea0e7f..c73fbe65b 100644 --- a/linux/drivers/media/video/cx18/cx18-fileops.c +++ b/linux/drivers/media/video/cx18/cx18-fileops.c @@ -128,10 +128,10 @@ static void cx18_release_stream(struct cx18_stream *s) static void cx18_dualwatch(struct cx18 *cx) { struct v4l2_tuner vt; - u16 new_bitmap; - u16 new_stereo_mode; - const u16 stereo_mask = 0x0300; - const u16 dual = 0x0200; + u32 new_bitmap; + u32 new_stereo_mode; + const u32 stereo_mask = 0x0300; + const u32 dual = 0x0200; u32 h; new_stereo_mode = cx->params.audio_properties & stereo_mask; @@ -209,9 +209,9 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, *err = 0; while (1) { if (s->type == CX18_ENC_STREAM_TYPE_MPG) { -#if 0 /* Process pending program info updates and pending VBI data */ +#if 0 cx18_update_pgm_info(cx); #endif @@ -224,7 +224,6 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, while ((buf = cx18_dequeue(s_vbi, &s_vbi->q_full))) { /* byteswap and process VBI data */ cx18_process_vbi_data(cx, buf, - s_vbi->dma_pts, s_vbi->type); cx18_stream_put_buf_fw(s_vbi, buf); } @@ -245,8 +244,7 @@ static struct cx18_buffer *cx18_get_buffer(struct cx18_stream *s, int non_block, cx18_buf_swap(buf); else { /* byteswap and process VBI data */ - cx18_process_vbi_data(cx, buf, - s->dma_pts, s->type); + cx18_process_vbi_data(cx, buf, s->type); } return buf; } @@ -298,6 +296,20 @@ static size_t cx18_copy_buf_to_user(struct cx18_stream *s, len = ucount; if (cx->vbi.insert_mpeg && s->type == CX18_ENC_STREAM_TYPE_MPG && !cx18_raw_vbi(cx) && buf != &cx->vbi.sliced_mpeg_buf) { + /* + * Try to find a good splice point in the PS, just before + * an MPEG-2 Program Pack start code, and provide only + * up to that point to the user, so it's easy to insert VBI data + * the next time around. + */ + /* FIXME - This only works for an MPEG-2 PS, not a TS */ + /* + * An MPEG-2 Program Stream (PS) is a series of + * MPEG-2 Program Packs terminated by an + * MPEG Program End Code after the last Program Pack. + * A Program Pack may hold a PS System Header packet and any + * number of Program Elementary Stream (PES) Packets + */ const char *start = buf->buf + buf->readpos; const char *p = start + 1; const u8 *q; @@ -305,38 +317,54 @@ static size_t cx18_copy_buf_to_user(struct cx18_stream *s, int stuffing, i; while (start + len > p) { + /* Scan for a 0 to find a potential MPEG-2 start code */ q = memchr(p, 0, start + len - p); if (q == NULL) break; p = q + 1; + /* + * Keep looking if not a + * MPEG-2 Pack header start code: 0x00 0x00 0x01 0xba + * or MPEG-2 video PES start code: 0x00 0x00 0x01 0xe0 + */ if ((char *)q + 15 >= buf->buf + buf->bytesused || q[1] != 0 || q[2] != 1 || q[3] != ch) continue; + + /* If expecting the primary video PES */ if (!cx->search_pack_header) { + /* Continue if it couldn't be a PES packet */ if ((q[6] & 0xc0) != 0x80) continue; - if (((q[7] & 0xc0) == 0x80 && - (q[9] & 0xf0) == 0x20) || - ((q[7] & 0xc0) == 0xc0 && - (q[9] & 0xf0) == 0x30)) { - ch = 0xba; + /* Check if a PTS or PTS & DTS follow */ + if (((q[7] & 0xc0) == 0x80 && /* PTS only */ + (q[9] & 0xf0) == 0x20) || /* PTS only */ + ((q[7] & 0xc0) == 0xc0 && /* PTS & DTS */ + (q[9] & 0xf0) == 0x30)) { /* DTS follows */ + /* Assume we found the video PES hdr */ + ch = 0xba; /* next want a Program Pack*/ cx->search_pack_header = 1; - p = q + 9; + p = q + 9; /* Skip this video PES hdr */ } continue; } + + /* We may have found a Program Pack start code */ + + /* Get the count of stuffing bytes & verify them */ stuffing = q[13] & 7; /* all stuffing bytes must be 0xff */ for (i = 0; i < stuffing; i++) if (q[14 + i] != 0xff) break; - if (i == stuffing && - (q[4] & 0xc4) == 0x44 && - (q[12] & 3) == 3 && - q[14 + stuffing] == 0 && + if (i == stuffing && /* right number of stuffing bytes*/ + (q[4] & 0xc4) == 0x44 && /* marker check */ + (q[12] & 3) == 3 && /* marker check */ + q[14 + stuffing] == 0 && /* PES Pack or Sys Hdr */ q[15 + stuffing] == 0 && q[16 + stuffing] == 1) { - cx->search_pack_header = 0; + /* We declare we actually found a Program Pack*/ + cx->search_pack_header = 0; /* expect vid PES */ len = (char *)q - start; cx18_setup_sliced_vbi_buf(cx); break; @@ -703,7 +731,7 @@ int cx18_v4l2_open(struct file *filp) if (cx18_cards[x] == NULL) continue; s = &cx18_cards[x]->streams[y]; - if (s->v4l2dev && s->v4l2dev->minor == minor) { + if (s->video_dev && s->video_dev->minor == minor) { cx = cx18_cards[x]; break; } diff --git a/linux/drivers/media/video/cx18/cx18-firmware.c b/linux/drivers/media/video/cx18/cx18-firmware.c index 1fa95da15..aa89bee65 100644 --- a/linux/drivers/media/video/cx18/cx18-firmware.c +++ b/linux/drivers/media/video/cx18/cx18-firmware.c @@ -107,7 +107,7 @@ static int load_cpu_fw_direct(const char *fn, u8 __iomem *mem, struct cx18 *cx) u32 __iomem *dst = (u32 __iomem *)mem; const u32 *src; - if (request_firmware(&fw, fn, &cx->dev->dev)) { + if (request_firmware(&fw, fn, &cx->pci_dev->dev)) { CX18_ERR("Unable to open firmware %s\n", fn); CX18_ERR("Did you put the firmware in the hotplug firmware directory?\n"); return -ENOMEM; @@ -151,7 +151,7 @@ static int load_apu_fw_direct(const char *fn, u8 __iomem *dst, struct cx18 *cx, u32 apu_version = 0; int sz; - if (request_firmware(&fw, fn, &cx->dev->dev)) { + if (request_firmware(&fw, fn, &cx->pci_dev->dev)) { CX18_ERR("unable to open firmware %s\n", fn); CX18_ERR("did you put the firmware in the hotplug firmware directory?\n"); cx18_setup_page(cx, 0); diff --git a/linux/drivers/media/video/cx18/cx18-i2c.c b/linux/drivers/media/video/cx18/cx18-i2c.c index efae2301a..fe6fa60a7 100644 --- a/linux/drivers/media/video/cx18/cx18-i2c.c +++ b/linux/drivers/media/video/cx18/cx18-i2c.c @@ -393,7 +393,7 @@ int init_cx18_i2c(struct cx18 *cx) strlen(cx->i2c_client[i].name), "%d", i); cx->i2c_client[i].adapter = &cx->i2c_adap[i]; #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 20) - cx->i2c_adap[i].dev.parent = &cx->dev->dev; + cx->i2c_adap[i].dev.parent = &cx->pci_dev->dev; #endif } diff --git a/linux/drivers/media/video/cx18/cx18-ioctl.c b/linux/drivers/media/video/cx18/cx18-ioctl.c index 84d6381aa..c023c79cf 100644 --- a/linux/drivers/media/video/cx18/cx18-ioctl.c +++ b/linux/drivers/media/video/cx18/cx18-ioctl.c @@ -58,12 +58,21 @@ u16 cx18_service2vbi(int type) } } +/* Check if VBI services are allowed on the (field, line) for the video std */ static int valid_service_line(int field, int line, int is_pal) { - return (is_pal && line >= 6 && (line != 23 || field == 0)) || + return (is_pal && line >= 6 && + ((field == 0 && line <= 23) || (field == 1 && line <= 22))) || (!is_pal && line >= 10 && line < 22); } +/* + * For a (field, line, std) and inbound potential set of services for that line, + * return the first valid service of those passed in the incoming set for that + * line in priority order: + * CC, VPS, or WSS over TELETEXT for well known lines + * TELETEXT, before VPS, before CC, before WSS, for other lines + */ static u16 select_service_from_set(int field, int line, u16 set, int is_pal) { u16 valid_set = (is_pal ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525); @@ -90,6 +99,10 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal) return 0; } +/* + * Expand the service_set of *fmt into valid service_lines for the std, + * and clear the passed in fmt->service_set + */ void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { u16 set = fmt->service_set; @@ -102,7 +115,10 @@ void cx18_expand_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) } } -#if 0 +/* + * Sanitize the service_lines in *fmt per the video std, and return 1 + * if any service_line is left as valid after santization + */ static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) { int f, l; @@ -116,8 +132,8 @@ static int check_service_set(struct v4l2_sliced_vbi_format *fmt, int is_pal) } return set != 0; } -#endif +/* Compute the service_set from the assumed valid service_lines of *fmt */ u16 cx18_get_service_set(struct v4l2_sliced_vbi_format *fmt) { int f, l; @@ -164,8 +180,8 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_vbi_format *vbifmt = &fmt->fmt.vbi; vbifmt->sampling_rate = 27000000; - vbifmt->offset = 248; - vbifmt->samples_per_line = cx->vbi.raw_decoder_line_size - 4; + vbifmt->offset = 248; /* FIXME - slightly wrong for both 50 & 60 Hz */ + vbifmt->samples_per_line = vbi_active_samples - 4; vbifmt->sample_format = V4L2_PIX_FMT_GREY; vbifmt->start[0] = cx->vbi.start[0]; vbifmt->start[1] = cx->vbi.start[1]; @@ -179,22 +195,30 @@ static int cx18_g_fmt_vbi_cap(struct file *file, void *fh, static int cx18_g_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { -#if 0 - /* Supported by the cx23418 but not yet implemented. */ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx; struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; + /* sane, V4L2 spec compliant, defaults */ vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; memset(vbifmt->service_lines, 0, sizeof(vbifmt->service_lines)); + vbifmt->service_set = 0; + + /* + * Fetch the configured service_lines and total service_set from the + * digitizer/slicer. Note, cx18_av_vbi() wipes the passed in + * fmt->fmt.sliced under valid calling conditions + */ + if (cx18_av_cmd(cx, VIDIOC_G_FMT, fmt)) + return -EINVAL; - cx18_av_cmd(cx, VIDIOC_G_FMT, fmt); + /* Ensure V4L2 spec compliant output */ + vbifmt->reserved[0] = 0; + vbifmt->reserved[1] = 0; + vbifmt->io_size = sizeof(struct v4l2_sliced_vbi_data) * 36; vbifmt->service_set = cx18_get_service_set(vbifmt); return 0; -#else - return -EINVAL; -#endif } static int cx18_try_fmt_vid_cap(struct file *file, void *fh, @@ -224,8 +248,6 @@ static int cx18_try_fmt_vbi_cap(struct file *file, void *fh, static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { -#if 0 - /* Supported by the cx23418 but not yet implemented. */ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx; struct v4l2_sliced_vbi_format *vbifmt = &fmt->fmt.sliced; @@ -233,14 +255,13 @@ static int cx18_try_fmt_sliced_vbi_cap(struct file *file, void *fh, vbifmt->reserved[0] = 0; vbifmt->reserved[1] = 0; + /* If given a service set, expand it validly & clear passed in set */ if (vbifmt->service_set) cx18_expand_service_set(vbifmt, cx->is_50hz); - check_service_set(vbifmt, cx->is_50hz); - vbifmt->service_set = cx18_get_service_set(vbifmt); + /* Sanitize the service_lines, and compute the new set if any valid */ + if (check_service_set(vbifmt, cx->is_50hz)) + vbifmt->service_set = cx18_get_service_set(vbifmt); return 0; -#else - return -EINVAL; -#endif } static int cx18_s_fmt_vid_cap(struct file *file, void *fh, @@ -284,20 +305,32 @@ static int cx18_s_fmt_vbi_cap(struct file *file, void *fh, if (ret) return ret; + /* + * Changing the Encoder's Raw VBI parameters won't have any effect + * if any analog capture is ongoing + */ if (!cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0) return -EBUSY; + /* + * Set the digitizer registers for raw active VBI. + * Note cx18_av_vbi_wipes out alot of the passed in fmt under valid + * calling conditions + */ + ret = cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + if (ret) + return ret; + + /* Store our new v4l2 (non-)sliced VBI state */ cx->vbi.sliced_in->service_set = 0; cx->vbi.in.type = V4L2_BUF_TYPE_VBI_CAPTURE; - cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + return cx18_g_fmt_vbi_cap(file, fh, fmt); } static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_format *fmt) { -#if 0 - /* Supported by the cx23418 but not yet implemented. */ struct cx18_open_id *id = fh; struct cx18 *cx = id->cx; int ret; @@ -307,22 +340,27 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh, if (ret) return ret; - ret = cx18_try_fmt_sliced_vbi_cap(file, fh, fmt); - if (ret) - return ret; - - if (check_service_set(vbifmt, cx->is_50hz) == 0) - return -EINVAL; + cx18_try_fmt_sliced_vbi_cap(file, fh, fmt); + /* + * Changing the Encoder's Raw VBI parameters won't have any effect + * if any analog capture is ongoing + */ if (cx18_raw_vbi(cx) && atomic_read(&cx->ana_capturing) > 0) return -EBUSY; + + /* + * Set the service_lines requested in the digitizer/slicer registers. + * Note, cx18_av_vbi() wipes some "impossible" service lines in the + * passed in fmt->fmt.sliced under valid calling conditions + */ + ret = cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); + if (ret) + return ret; + /* Store our current v4l2 sliced VBI settings */ cx->vbi.in.type = V4L2_BUF_TYPE_SLICED_VBI_CAPTURE; - cx18_av_cmd(cx, VIDIOC_S_FMT, fmt); memcpy(cx->vbi.sliced_in, vbifmt, sizeof(*cx->vbi.sliced_in)); return 0; -#else - return -EINVAL; -#endif } static int cx18_g_chip_ident(struct file *file, void *fh, @@ -407,7 +445,8 @@ static int cx18_querycap(struct file *file, void *fh, strlcpy(vcap->driver, CX18_DRIVER_NAME, sizeof(vcap->driver)); strlcpy(vcap->card, cx->card_name, sizeof(vcap->card)); - snprintf(vcap->bus_info, sizeof(vcap->bus_info), "PCI:%s", pci_name(cx->dev)); + snprintf(vcap->bus_info, sizeof(vcap->bus_info), + "PCI:%s", pci_name(cx->pci_dev)); vcap->version = CX18_DRIVER_VERSION; /* version */ vcap->capabilities = cx->v4l2_cap; /* capabilities */ return 0; @@ -619,7 +658,6 @@ int cx18_s_std(struct file *file, void *fh, v4l2_std_id *std) cx->vbi.count = cx->is_50hz ? 18 : 12; cx->vbi.start[0] = cx->is_50hz ? 6 : 10; cx->vbi.start[1] = cx->is_50hz ? 318 : 273; - cx->vbi.sliced_decoder_line_size = cx->is_60hz ? 272 : 284; CX18_DEBUG_INFO("Switching standard to %llx.\n", (unsigned long long) cx->std); @@ -670,23 +708,30 @@ static int cx18_g_tuner(struct file *file, void *fh, struct v4l2_tuner *vt) static int cx18_g_sliced_vbi_cap(struct file *file, void *fh, struct v4l2_sliced_vbi_cap *cap) { -#if 0 - /* Supported by the cx23418 but not yet implemented. */ struct cx18 *cx = ((struct cx18_open_id *)fh)->cx; int set = cx->is_50hz ? V4L2_SLICED_VBI_625 : V4L2_SLICED_VBI_525; int f, l; - if (cap->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) { - for (f = 0; f < 2; f++) { - for (l = 0; l < 24; l++) { - if (valid_service_line(f, l, cx->is_50hz)) - cap->service_lines[f][l] = set; - } + if (cap->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) + return -EINVAL; + + cap->service_set = 0; + for (f = 0; f < 2; f++) { + for (l = 0; l < 24; l++) { + if (valid_service_line(f, l, cx->is_50hz)) { + /* + * We can find all v4l2 supported vbi services + * for the standard, on a valid line for the std + */ + cap->service_lines[f][l] = set; + cap->service_set |= set; + } else + cap->service_lines[f][l] = 0; } - return 0; } -#endif - return -EINVAL; + for (f = 0; f < 3; f++) + cap->reserved[f] = 0; + return 0; } static int cx18_g_enc_index(struct file *file, void *fh, @@ -813,7 +858,9 @@ static int cx18_log_status(struct file *file, void *fh) struct v4l2_audio audin; int i; - CX18_INFO("================= START STATUS CARD #%d =================\n", cx->num); + CX18_INFO("================= START STATUS CARD #%d " + "=================\n", cx->num); + CX18_INFO("Version: %s Card: %s\n", CX18_VERSION, cx->card_name); if (cx->hw_flags & CX18_HW_TVEEPROM) { struct tveeprom tv; @@ -835,7 +882,7 @@ static int cx18_log_status(struct file *file, void *fh) for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev == NULL || s->buffers == 0) + if (s->video_dev == NULL || s->buffers == 0) continue; CX18_INFO("Stream %s: status 0x%04lx, %d%% of %d KiB (%d buffers) in use\n", s->name, s->s_flags, diff --git a/linux/drivers/media/video/cx18/cx18-mailbox.c b/linux/drivers/media/video/cx18/cx18-mailbox.c index 89a45f51f..66964722f 100644 --- a/linux/drivers/media/video/cx18/cx18-mailbox.c +++ b/linux/drivers/media/video/cx18/cx18-mailbox.c @@ -83,6 +83,8 @@ static const struct cx18_api_info api_info[] = { API_ENTRY(CPU, CX18_CPU_DE_SET_MDL_ACK, 0), API_ENTRY(CPU, CX18_CPU_DE_SET_MDL, API_FAST), API_ENTRY(CPU, CX18_CPU_DE_RELEASE_MDL, API_SLOW), + API_ENTRY(APU, CX18_APU_START, 0), + API_ENTRY(APU, CX18_APU_STOP, 0), API_ENTRY(APU, CX18_APU_RESETAI, 0), API_ENTRY(CPU, CX18_CPU_DEBUG_PEEK32, 0), API_ENTRY(0, 0, 0), @@ -98,21 +100,30 @@ static const struct cx18_api_info *find_api_info(u32 cmd) return NULL; } -static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) +/* Call with buf of n*11+1 bytes */ +static char *u32arr2hex(u32 data[], int n, char *buf) { - char argstr[MAX_MB_ARGUMENTS*11+1]; char *p; int i; + for (i = 0, p = buf; i < n; i++, p += 11) { + /* kernel snprintf() appends '\0' always */ + snprintf(p, 12, " %#010x", data[i]); + } + *p = '\0'; + return buf; +} + +static void dump_mb(struct cx18 *cx, struct cx18_mailbox *mb, char *name) +{ + char argstr[MAX_MB_ARGUMENTS*11+1]; + if (!(cx18_debug & CX18_DBGFLG_API)) return; - for (i = 0, p = argstr; i < MAX_MB_ARGUMENTS; i++, p += 11) { - /* kernel snprintf() appends '\0' always */ - snprintf(p, 12, " %#010x", mb->args[i]); - } CX18_DEBUG_API("%s: req %#010x ack %#010x cmd %#010x err %#010x args%s" - "\n", name, mb->request, mb->ack, mb->cmd, mb->error, argstr); + "\n", name, mb->request, mb->ack, mb->cmd, mb->error, + u32arr2hex(mb->args, MAX_MB_ARGUMENTS, argstr)); } @@ -445,7 +456,8 @@ void cx18_api_epu_cmd_irq(struct cx18 *cx, int rpu) "incoming %s to EPU mailbox (sequence no. %u)" "\n", rpu_str[rpu], rpu_str[rpu], order_mb->request); - dump_mb(cx, order_mb, "incoming"); + if (cx18_debug & CX18_DBGFLG_WARN) + dump_mb(cx, order_mb, "incoming"); order->flags = CX18_F_EWO_MB_STALE_UPON_RECEIPT; } @@ -474,16 +486,24 @@ static int cx18_api_call(struct cx18 *cx, u32 cmd, int args, u32 data[]) struct mutex *mb_lock; long int timeout, ret; int i; + char argstr[MAX_MB_ARGUMENTS*11+1]; if (info == NULL) { CX18_WARN("unknown cmd %x\n", cmd); return -EINVAL; } - if (cmd == CX18_CPU_DE_SET_MDL) - CX18_DEBUG_HI_API("%s\n", info->name); - else - CX18_DEBUG_API("%s\n", info->name); + if (cx18_debug & CX18_DBGFLG_API) { /* only call u32arr2hex if needed */ + if (cmd == CX18_CPU_DE_SET_MDL) { + if (cx18_debug & CX18_DBGFLG_HIGHVOL) + CX18_DEBUG_HI_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } else + CX18_DEBUG_API("%s\tcmd %#010x args%s\n", + info->name, cmd, + u32arr2hex(data, args, argstr)); + } switch (info->rpu) { case APU: diff --git a/linux/drivers/media/video/cx18/cx18-queue.c b/linux/drivers/media/video/cx18/cx18-queue.c index 8d9441e88..3046b8e74 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.c +++ b/linux/drivers/media/video/cx18/cx18-queue.c @@ -204,7 +204,7 @@ int cx18_stream_alloc(struct cx18_stream *s) } buf->id = cx->buffer_id++; INIT_LIST_HEAD(&buf->list); - buf->dma_handle = pci_map_single(s->cx->dev, + buf->dma_handle = pci_map_single(s->cx->pci_dev, buf->buf, s->buf_size, s->dma); cx18_buf_sync_for_cpu(s, buf); cx18_enqueue(s, buf, &s->q_free); @@ -227,7 +227,7 @@ void cx18_stream_free(struct cx18_stream *s) /* empty q_free */ while ((buf = cx18_dequeue(s, &s->q_free))) { - pci_unmap_single(s->cx->dev, buf->dma_handle, + pci_unmap_single(s->cx->pci_dev, buf->dma_handle, s->buf_size, s->dma); kfree(buf->buf); kfree(buf); diff --git a/linux/drivers/media/video/cx18/cx18-queue.h b/linux/drivers/media/video/cx18/cx18-queue.h index 456cec3bc..4de06269d 100644 --- a/linux/drivers/media/video/cx18/cx18-queue.h +++ b/linux/drivers/media/video/cx18/cx18-queue.h @@ -29,14 +29,14 @@ static inline void cx18_buf_sync_for_cpu(struct cx18_stream *s, struct cx18_buffer *buf) { - pci_dma_sync_single_for_cpu(s->cx->dev, buf->dma_handle, + pci_dma_sync_single_for_cpu(s->cx->pci_dev, buf->dma_handle, s->buf_size, s->dma); } static inline void cx18_buf_sync_for_device(struct cx18_stream *s, struct cx18_buffer *buf) { - pci_dma_sync_single_for_device(s->cx->dev, buf->dma_handle, + pci_dma_sync_single_for_device(s->cx->pci_dev, buf->dma_handle, s->buf_size, s->dma); } diff --git a/linux/drivers/media/video/cx18/cx18-streams.c b/linux/drivers/media/video/cx18/cx18-streams.c index 5eb99ea7b..e4a70cefc 100644 --- a/linux/drivers/media/video/cx18/cx18-streams.c +++ b/linux/drivers/media/video/cx18/cx18-streams.c @@ -101,11 +101,11 @@ static struct { static void cx18_stream_init(struct cx18 *cx, int type) { struct cx18_stream *s = &cx->streams[type]; - struct video_device *dev = s->v4l2dev; + struct video_device *video_dev = s->video_dev; - /* we need to keep v4l2dev, so restore it afterwards */ + /* we need to keep video_dev, so restore it afterwards */ memset(s, 0, sizeof(*s)); - s->v4l2dev = dev; + s->video_dev = video_dev; /* initialize cx18_stream fields */ s->cx = cx; @@ -132,10 +132,10 @@ static int cx18_prep_dev(struct cx18 *cx, int type) int num_offset = cx18_stream_info[type].num_offset; int num = cx->num + cx18_first_minor + num_offset; - /* These four fields are always initialized. If v4l2dev == NULL, then + /* These four fields are always initialized. If video_dev == NULL, then this stream is not in use. In that case no other fields but these four can be used. */ - s->v4l2dev = NULL; + s->video_dev = NULL; s->cx = cx; s->type = type; s->name = cx18_stream_info[type].name; @@ -163,22 +163,22 @@ static int cx18_prep_dev(struct cx18 *cx, int type) return 0; /* allocate and initialize the v4l2 video device structure */ - s->v4l2dev = video_device_alloc(); - if (s->v4l2dev == NULL) { + s->video_dev = video_device_alloc(); + if (s->video_dev == NULL) { CX18_ERR("Couldn't allocate v4l2 video_device for %s\n", s->name); return -ENOMEM; } - snprintf(s->v4l2dev->name, sizeof(s->v4l2dev->name), "cx18-%d", + snprintf(s->video_dev->name, sizeof(s->video_dev->name), "cx18-%d", cx->num); - s->v4l2dev->num = num; - s->v4l2dev->parent = &cx->dev->dev; - s->v4l2dev->fops = &cx18_v4l2_enc_fops; - s->v4l2dev->release = video_device_release; - s->v4l2dev->tvnorms = V4L2_STD_ALL; - cx18_set_funcs(s->v4l2dev); + s->video_dev->num = num; + s->video_dev->parent = &cx->pci_dev->dev; + s->video_dev->fops = &cx18_v4l2_enc_fops; + s->video_dev->release = video_device_release; + s->video_dev->tvnorms = V4L2_STD_ALL; + cx18_set_funcs(s->video_dev); return 0; } @@ -227,28 +227,29 @@ static int cx18_reg_dev(struct cx18 *cx, int type) } } - if (s->v4l2dev == NULL) + if (s->video_dev == NULL) return 0; - num = s->v4l2dev->num; + num = s->video_dev->num; /* card number + user defined offset + device offset */ if (type != CX18_ENC_STREAM_TYPE_MPG) { struct cx18_stream *s_mpg = &cx->streams[CX18_ENC_STREAM_TYPE_MPG]; - if (s_mpg->v4l2dev) - num = s_mpg->v4l2dev->num + cx18_stream_info[type].num_offset; + if (s_mpg->video_dev) + num = s_mpg->video_dev->num + + cx18_stream_info[type].num_offset; } /* Register device. First try the desired minor, then any free one. */ - ret = video_register_device(s->v4l2dev, vfl_type, num); + ret = video_register_device(s->video_dev, vfl_type, num); if (ret < 0) { CX18_ERR("Couldn't register v4l2 device for %s kernel number %d\n", s->name, num); - video_device_release(s->v4l2dev); - s->v4l2dev = NULL; + video_device_release(s->video_dev); + s->video_dev = NULL; return ret; } - num = s->v4l2dev->num; + num = s->video_dev->num; switch (vfl_type) { case VFL_TYPE_GRABBER: @@ -312,9 +313,9 @@ void cx18_streams_cleanup(struct cx18 *cx, int unregister) cx->streams[type].dvb.enabled = false; } - vdev = cx->streams[type].v4l2dev; + vdev = cx->streams[type].video_dev; - cx->streams[type].v4l2dev = NULL; + cx->streams[type].video_dev = NULL; if (vdev == NULL) continue; @@ -348,44 +349,87 @@ static void cx18_vbi_setup(struct cx18_stream *s) /* setup VBI registers */ cx18_av_cmd(cx, VIDIOC_S_FMT, &cx->vbi.in); - /* determine number of lines and total number of VBI bytes. - A raw line takes 1444 bytes: 4 byte SAV code + 2 * 720 - A sliced line takes 51 bytes: 4 byte frame header, 4 byte internal - header, 42 data bytes + checksum (to be confirmed) */ + /* + * Send the CX18_CPU_SET_RAW_VBI_PARAM API command to setup Encoder Raw + * VBI when the first analog capture channel starts, as once it starts + * (e.g. MPEG), we can't effect any change in the Encoder Raw VBI setup + * (i.e. for the VBI capture channels). We also send it for each + * analog capture channel anyway just to make sure we get the proper + * behavior + */ if (raw) { lines = cx->vbi.count * 2; } else { - lines = cx->is_60hz ? 24 : 38; - if (cx->is_60hz) - lines += 2; + /* + * For 525/60 systems, according to the VIP 2 & BT.656 std: + * The EAV RP code's Field bit toggles on line 4, a few lines + * after the Vertcal Blank bit has already toggled. + * Tell the encoder to capture 21-4+1=18 lines per field, + * since we want lines 10 through 21. + * + * FIXME - revisit for 625/50 systems + */ + lines = cx->is_60hz ? (21 - 4 + 1) * 2 : 38; } - cx->vbi.enc_size = lines * - (raw ? cx->vbi.raw_size : cx->vbi.sliced_size); - data[0] = s->handle; /* Lines per field */ data[1] = (lines / 2) | ((lines / 2) << 16); /* bytes per line */ - data[2] = (raw ? cx->vbi.raw_decoder_line_size - : cx->vbi.sliced_decoder_line_size); + data[2] = (raw ? vbi_active_samples + : (cx->is_60hz ? vbi_hblank_samples_60Hz + : vbi_hblank_samples_50Hz)); /* Every X number of frames a VBI interrupt arrives (frames as in 25 or 30 fps) */ data[3] = 1; - /* Setup VBI for the cx25840 digitizer */ + /* + * Set the SAV/EAV RP codes to look for as start/stop points + * when in VIP-1.1 mode + */ if (raw) { + /* + * Start codes for beginning of "active" line in vertical blank + * 0x20 ( VerticalBlank ) + * 0x60 ( EvenField VerticalBlank ) + */ data[4] = 0x20602060; + /* + * End codes for end of "active" raw lines and regular lines + * 0x30 ( VerticalBlank HorizontalBlank) + * 0x70 ( EvenField VerticalBlank HorizontalBlank) + * 0x90 (Task HorizontalBlank) + * 0xd0 (Task EvenField HorizontalBlank) + */ data[5] = 0x307090d0; } else { + /* + * End codes for active video, we want data in the hblank region + * 0xb0 (Task 0 VerticalBlank HorizontalBlank) + * 0xf0 (Task EvenField VerticalBlank HorizontalBlank) + * + * Since the V bit is only allowed to toggle in the EAV RP code, + * just before the first active region line, these two + * are problematic: + * 0x90 (Task HorizontalBlank) + * 0xd0 (Task EvenField HorizontalBlank) + * + * We have set the digitzer to consider the first active line + * as part of VerticalBlank as well so we don't have to look for + * these problem codes nor lose the last line of sliced data. + */ data[4] = 0xB0F0B0F0; + /* + * Start codes for beginning of active line in vertical blank + * 0xa0 (Task VerticalBlank ) + * 0xe0 (Task EvenField VerticalBlank ) + */ data[5] = 0xA0E0A0E0; } CX18_DEBUG_INFO("Setup VBI h: %d lines %x bpl %d fr %d %x %x\n", data[0], data[1], data[2], data[3], data[4], data[5]); - if (s->type == CX18_ENC_STREAM_TYPE_VBI) - cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); + cx18_api(cx, CX18_CPU_SET_RAW_VBI_PARAM, 6, data); } struct cx18_queue *cx18_stream_put_buf_fw(struct cx18_stream *s, @@ -434,10 +478,10 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) u32 data[MAX_MB_ARGUMENTS]; struct cx18 *cx = s->cx; struct cx18_buffer *buf; - int ts = 0; int captype = 0; + struct cx18_api_func_private priv; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) return -EINVAL; CX18_DEBUG_INFO("Start encoder stream %s\n", s->name); @@ -453,7 +497,6 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) case CX18_ENC_STREAM_TYPE_TS: captype = CAPTURE_CHANNEL_TYPE_TS; - ts = 1; break; case CX18_ENC_STREAM_TYPE_YUV: captype = CAPTURE_CHANNEL_TYPE_YUV; @@ -462,8 +505,16 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) captype = CAPTURE_CHANNEL_TYPE_PCM; break; case CX18_ENC_STREAM_TYPE_VBI: +#ifdef CX18_ENCODER_PARSES_SLICED captype = cx18_raw_vbi(cx) ? CAPTURE_CHANNEL_TYPE_VBI : CAPTURE_CHANNEL_TYPE_SLICED_VBI; +#else + /* + * Currently we set things up so that Sliced VBI from the + * digitizer is handled as Raw VBI by the encoder + */ + captype = CAPTURE_CHANNEL_TYPE_VBI; +#endif cx->vbi.frame = 0; cx->vbi.inserted_frame = 0; memset(cx->vbi.sliced_mpeg_size, @@ -473,10 +524,6 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) return -EINVAL; } - /* mute/unmute video */ - cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, - s->handle, !!test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)); - /* Clear Streamoff flags in case left from last capture */ clear_bit(CX18_F_S_STREAMOFF, &s->s_flags); @@ -484,31 +531,63 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) s->handle = data[0]; cx18_vapi(cx, CX18_CPU_SET_CHANNEL_TYPE, 2, s->handle, captype); - if (atomic_read(&cx->ana_capturing) == 0 && !ts) { - struct cx18_api_func_private priv; - - /* Stuff from Windows, we don't know what it is */ + /* + * For everything but CAPTURE_CHANNEL_TYPE_TS, play it safe and + * set up all the parameters, as it is not obvious which parameters the + * firmware shares across capture channel types and which it does not. + * + * Some of the cx18_vapi() calls below apply to only certain capture + * channel types. We're hoping there's no harm in calling most of them + * anyway, as long as the values are all consistent. Setting some + * shared parameters will have no effect once an analog capture channel + * has started streaming. + */ + if (captype != CAPTURE_CHANNEL_TYPE_TS) { cx18_vapi(cx, CX18_CPU_SET_VER_CROP_LINE, 2, s->handle, 0); cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 3, 1); cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 8, 0); cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 3, s->handle, 4, 1); - cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, s->handle, 12); + /* + * Audio related reset according to + * Documentation/video4linux/cx2341x/fw-encoder-api.txt + */ + if (atomic_read(&cx->ana_capturing) == 0) + cx18_vapi(cx, CX18_CPU_SET_MISC_PARAMETERS, 2, + s->handle, 12); + + /* + * Number of lines for Field 1 & Field 2 according to + * Documentation/video4linux/cx2341x/fw-encoder-api.txt + * Field 1 is 312 for 625 line systems in BT.656 + * Field 2 is 313 for 625 line systems in BT.656 + */ cx18_vapi(cx, CX18_CPU_SET_CAPTURE_LINE_NO, 3, - s->handle, cx->digitizer, cx->digitizer); + s->handle, 312, 313); - /* Setup VBI */ if (cx->v4l2_cap & V4L2_CAP_VBI_CAPTURE) cx18_vbi_setup(s); - /* assign program index info. - Mask 7: select I/P/B, Num_req: 400 max */ + /* + * assign program index info. + * Mask 7: select I/P/B, Num_req: 400 max + * FIXME - currently we have this hardcoded as disabled + */ cx18_vapi_result(cx, data, CX18_CPU_SET_INDEXTABLE, 1, 0); - /* Setup API for Stream */ + /* Call out to the common CX2341x API setup for user controls */ priv.cx = cx; priv.s = s; cx2341x_update(&priv, cx18_api_func, NULL, &cx->params); + + /* + * When starting a capture and we're set for radio, + * ensure the video is muted, despite the user control. + */ + if (!cx->params.video_mute && + test_bit(CX18_F_I_RADIO_USER, &cx->i_flags)) + cx18_vapi(cx, CX18_CPU_SET_VIDEO_MUTE, 2, s->handle, + (cx->params.video_mute_yuv << 8) | 1); } if (atomic_read(&cx->tot_capturing) == 0) { @@ -552,7 +631,7 @@ int cx18_start_v4l2_encode_stream(struct cx18_stream *s) } /* you're live! sit back and await interrupts :) */ - if (!ts) + if (captype != CAPTURE_CHANNEL_TYPE_TS) atomic_inc(&cx->ana_capturing); atomic_inc(&cx->tot_capturing); return 0; @@ -565,7 +644,7 @@ void cx18_stop_all_captures(struct cx18 *cx) for (i = CX18_MAX_STREAMS - 1; i >= 0; i--) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) continue; if (test_bit(CX18_F_S_STREAMING, &s->s_flags)) cx18_stop_v4l2_encode_stream(s, 0); @@ -577,7 +656,7 @@ int cx18_stop_v4l2_encode_stream(struct cx18_stream *s, int gop_end) struct cx18 *cx = s->cx; unsigned long then; - if (s->v4l2dev == NULL && s->dvb.enabled == 0) + if (s->video_dev == NULL && s->dvb.enabled == 0) return -EINVAL; /* This function assumes that you are allowed to stop the capture @@ -656,7 +735,7 @@ u32 cx18_find_handle(struct cx18 *cx) for (i = 0; i < CX18_MAX_STREAMS; i++) { struct cx18_stream *s = &cx->streams[i]; - if (s->v4l2dev && (s->handle != CX18_INVALID_TASK_HANDLE)) + if (s->video_dev && (s->handle != CX18_INVALID_TASK_HANDLE)) return s->handle; } return CX18_INVALID_TASK_HANDLE; @@ -674,7 +753,7 @@ struct cx18_stream *cx18_handle_to_stream(struct cx18 *cx, u32 handle) s = &cx->streams[i]; if (s->handle != handle) continue; - if (s->v4l2dev || s->dvb.enabled) + if (s->video_dev || s->dvb.enabled) return s; } return NULL; diff --git a/linux/drivers/media/video/cx18/cx18-vbi.c b/linux/drivers/media/video/cx18/cx18-vbi.c index fb595bd54..8e6f4d4af 100644 --- a/linux/drivers/media/video/cx18/cx18-vbi.c +++ b/linux/drivers/media/video/cx18/cx18-vbi.c @@ -27,6 +27,16 @@ #include "cx18-queue.h" #include "cx18-av-core.h" +/* + * Raster Reference/Protection (RP) bytes, used in Start/End Active + * Video codes emitted from the digitzer in VIP 1.x mode, that flag the start + * of VBI sample or VBI ancilliary data regions in the digitial ratser line. + * + * Task FieldEven VerticalBlank HorizontalBlank 0 0 0 0 + */ +static const u8 raw_vbi_sav_rp[2] = { 0x20, 0x60 }; /* __V_, _FV_ */ +static const u8 sliced_vbi_eav_rp[2] = { 0xb0, 0xf0 }; /* T_VH, TFVH */ + static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) { int line = 0; @@ -34,10 +44,17 @@ static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) u32 linemask[2] = { 0, 0 }; unsigned short size; static const u8 mpeg_hdr_data[] = { - 0x00, 0x00, 0x01, 0xba, 0x44, 0x00, 0x0c, 0x66, - 0x24, 0x01, 0x01, 0xd1, 0xd3, 0xfa, 0xff, 0xff, - 0x00, 0x00, 0x01, 0xbd, 0x00, 0x1a, 0x84, 0x80, - 0x07, 0x21, 0x00, 0x5d, 0x63, 0xa7, 0xff, 0xff + /* MPEG-2 Program Pack */ + 0x00, 0x00, 0x01, 0xba, /* Prog Pack start code */ + 0x44, 0x00, 0x0c, 0x66, 0x24, 0x01, /* SCR, SCR Ext, markers */ + 0x01, 0xd1, 0xd3, /* Mux Rate, markers */ + 0xfa, 0xff, 0xff, /* Res, Suff cnt, Stuff */ + /* MPEG-2 Private Stream 1 PES Packet */ + 0x00, 0x00, 0x01, 0xbd, /* Priv Stream 1 start */ + 0x00, 0x1a, /* length */ + 0x84, 0x80, 0x07, /* flags, hdr data len */ + 0x21, 0x00, 0x5d, 0x63, 0xa7, /* PTS, markers */ + 0xff, 0xff /* stuffing */ }; const int sd = sizeof(mpeg_hdr_data); /* start of vbi data */ int idx = cx->vbi.frame % CX18_VBI_FRAMES; @@ -71,7 +88,7 @@ static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) memcpy(dst + sd + 4, dst + sd + 12, line * 43); size = 4 + ((43 * line + 3) & ~3); } else { - memcpy(dst + sd, "cx0", 4); + memcpy(dst + sd, "itv0", 4); memcpy(dst + sd + 4, &linemask[0], 8); size = 12 + ((43 * line + 3) & ~3); } @@ -86,14 +103,13 @@ static void copy_vbi_data(struct cx18 *cx, int lines, u32 pts_stamp) } /* Compress raw VBI format, removes leading SAV codes and surplus space - after the field. - Returns new compressed size. */ + after the frame. Returns new compressed size. */ static u32 compress_raw_buf(struct cx18 *cx, u8 *buf, u32 size) { - u32 line_size = cx->vbi.raw_decoder_line_size; - u32 lines = cx->vbi.count; - u8 sav1 = cx->vbi.raw_decoder_sav_odd_field; - u8 sav2 = cx->vbi.raw_decoder_sav_even_field; + u32 line_size = vbi_active_samples; + u32 lines = cx->vbi.count * 2; + u8 sav1 = raw_vbi_sav_rp[0]; + u8 sav2 = raw_vbi_sav_rp[1]; u8 *q = buf; u8 *p; int i; @@ -115,15 +131,16 @@ static u32 compress_raw_buf(struct cx18 *cx, u8 *buf, u32 size) /* Compressed VBI format, all found sliced blocks put next to one another Returns new compressed size */ static u32 compress_sliced_buf(struct cx18 *cx, u32 line, u8 *buf, - u32 size, u8 sav) + u32 size, u8 eav) { - u32 line_size = cx->vbi.sliced_decoder_line_size; struct v4l2_decode_vbi_line vbi; int i; + u32 line_size = cx->is_60hz ? vbi_hblank_samples_60Hz + : vbi_hblank_samples_50Hz; /* find the first valid line */ for (i = 0; i < size; i++, buf++) { - if (buf[0] == 0xff && !buf[1] && !buf[2] && buf[3] == sav) + if (buf[0] == 0xff && !buf[1] && !buf[2] && buf[3] == eav) break; } @@ -133,8 +150,8 @@ static u32 compress_sliced_buf(struct cx18 *cx, u32 line, u8 *buf, for (i = 0; i < size / line_size; i++) { u8 *p = buf + i * line_size; - /* Look for SAV code */ - if (p[0] != 0xff || p[1] || p[2] || p[3] != sav) + /* Look for EAV code */ + if (p[0] != 0xff || p[1] || p[2] || p[3] != eav) continue; vbi.p = p + 4; cx18_av_cmd(cx, VIDIOC_INT_DECODE_VBI_LINE, &vbi); @@ -150,51 +167,78 @@ static u32 compress_sliced_buf(struct cx18 *cx, u32 line, u8 *buf, } void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, - u64 pts_stamp, int streamtype) + int streamtype) { u8 *p = (u8 *) buf->buf; + u32 *q = (u32 *) buf->buf; u32 size = buf->bytesused; + u32 pts; int lines; if (streamtype != CX18_ENC_STREAM_TYPE_VBI) return; + /* + * The CX23418 sends us data that is 32 bit LE swapped, but we want + * the raw VBI bytes in the order they were in the raster line + */ + cx18_buf_swap(buf); + + /* + * The CX23418 provides a 12 byte header in it's raw VBI buffers to us: + * 0x3fffffff [4 bytes of something] [4 byte presentation time stamp?] + */ + /* Raw VBI data */ if (cx18_raw_vbi(cx)) { u8 type; - cx18_buf_swap(buf); - - /* Skip 12 bytes of header that gets stuffed in */ + /* + * We've set up to get a frame's worth of VBI data at a time. + * Skip 12 bytes of header prefixing the first field. + */ size -= 12; memcpy(p, &buf->buf[12], size); type = p[3]; + /* Extrapolate the last 12 bytes of the frame's last line */ + memset(&p[size], (int) p[size - 1], 12); + size += 12; + size = buf->bytesused = compress_raw_buf(cx, p, size); - /* second field of the frame? */ - if (type == cx->vbi.raw_decoder_sav_even_field) { - /* Dirty hack needed for backwards - compatibility of old VBI software. */ - p += size - 4; - memcpy(p, &cx->vbi.frame, 4); - cx->vbi.frame++; - } + /* + * Hack needed for compatibility with old VBI software. + * Write the frame # at the last 4 bytes of the frame + */ + p += size - 4; + memcpy(p, &cx->vbi.frame, 4); + cx->vbi.frame++; return; } /* Sliced VBI data with data insertion */ - cx18_buf_swap(buf); + + pts = (be32_to_cpu(q[0] == 0x3fffffff)) ? be32_to_cpu(q[2]) : 0; + + /* + * For calls to compress_sliced_buf(), ensure there are an integral + * number of lines by shifting the real data up over the 12 bytes header + * that got stuffed in. + * FIXME - there's a smarter way to do this with pointers, but for some + * reason I can't get it to work correctly right now. + */ + memcpy(p, &buf->buf[12], size-12); /* first field */ - lines = compress_sliced_buf(cx, 0, p, size / 2, - cx->vbi.sliced_decoder_sav_odd_field); - /* second field */ - /* experimentation shows that the second half does not always - begin at the exact address. So start a bit earlier - (hence 32). */ + lines = compress_sliced_buf(cx, 0, p, size / 2, sliced_vbi_eav_rp[0]); + /* + * second field + * In case the second half does not always begin at the exact address, + * start a bit earlier (hence 32). + */ lines = compress_sliced_buf(cx, lines, p + size / 2 - 32, - size / 2 + 32, cx->vbi.sliced_decoder_sav_even_field); + size / 2 + 32, sliced_vbi_eav_rp[1]); /* always return at least one empty line */ if (lines == 0) { cx->vbi.sliced_data[0].id = 0; @@ -206,6 +250,6 @@ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, memcpy(p, &cx->vbi.sliced_data[0], size); if (cx->vbi.insert_mpeg) - copy_vbi_data(cx, lines, pts_stamp); + copy_vbi_data(cx, lines, pts); cx->vbi.frame++; } diff --git a/linux/drivers/media/video/cx18/cx18-vbi.h b/linux/drivers/media/video/cx18/cx18-vbi.h index c56ff7d28..e7e1ae427 100644 --- a/linux/drivers/media/video/cx18/cx18-vbi.h +++ b/linux/drivers/media/video/cx18/cx18-vbi.h @@ -22,5 +22,5 @@ */ void cx18_process_vbi_data(struct cx18 *cx, struct cx18_buffer *buf, - u64 pts_stamp, int streamtype); + int streamtype); int cx18_used_line(struct cx18 *cx, int line, int field); diff --git a/linux/drivers/media/video/cx18/cx23418.h b/linux/drivers/media/video/cx18/cx23418.h index 601f3a2ab..9956abf57 100644 --- a/linux/drivers/media/video/cx18/cx23418.h +++ b/linux/drivers/media/video/cx18/cx23418.h @@ -56,6 +56,22 @@ #define APU_CMD_MASK 0x10000000 #define APU_CMD_MASK_ACK (APU_CMD_MASK | 0x80000000) +#define CX18_APU_ENCODING_METHOD_MPEG (0 << 28) +#define CX18_APU_ENCODING_METHOD_AC3 (1 << 28) + +/* Description: Command APU to start audio + IN[0] - audio parameters (same as CX18_CPU_SET_AUDIO_PARAMETERS?) + IN[1] - caller buffer address, or 0 + ReturnCode - ??? */ +#define CX18_APU_START (APU_CMD_MASK | 0x01) + +/* Description: Command APU to stop audio + IN[0] - encoding method to stop + ReturnCode - ??? */ +#define CX18_APU_STOP (APU_CMD_MASK | 0x02) + +/* Description: Command APU to reset the AI + ReturnCode - ??? */ #define CX18_APU_RESETAI (APU_CMD_MASK | 0x05) /* Description: This command indicates that a Memory Descriptor List has been |