X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fcx18%2Fcx18-av-core.c;h=21f4be8393b7ee179050e000fd91973e2dff76c7;hb=af7c58b1f5014bea181ef74d724ac960923dd403;hp=0b1c84b4ddd6eadd105373f152d82577dea5269e;hpb=52fefcec97c25b15887e6a9a885ca54e7f7c0928;p=linux-2.6-omap-h63xx.git diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c index 0b1c84b4ddd..21f4be8393b 100644 --- a/drivers/media/video/cx18/cx18-av-core.c +++ b/drivers/media/video/cx18/cx18-av-core.c @@ -22,8 +22,10 @@ * 02110-1301, USA. */ +#include #include "cx18-driver.h" #include "cx18-io.h" +#include "cx18-cards.h" int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) { @@ -97,15 +99,6 @@ int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, or_value); } -/* ----------------------------------------------------------------------- */ - -static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, - enum cx18_av_audio_input aud_input); -static void log_audio_status(struct cx18 *cx); -static void log_video_status(struct cx18 *cx); - -/* ----------------------------------------------------------------------- */ - static void cx18_av_initialize(struct cx18 *cx) { struct cx18_av_state *state = &cx->av_state; @@ -169,9 +162,14 @@ 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 */ @@ -195,11 +193,61 @@ static void cx18_av_initialize(struct cx18 *cx) state->default_volume = ((state->default_volume / 2) + 23) << 9; } -/* ----------------------------------------------------------------------- */ +static int cx18_av_reset(struct v4l2_subdev *sd, u32 val) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + cx18_av_initialize(cx); + return 0; +} + +static int cx18_av_init(struct v4l2_subdev *sd, u32 val) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + + switch (val) { + case CX18_AV_INIT_PLLS: + /* + * The crystal freq used in calculations in this driver will be + * 28.636360 MHz. + * Aim to run the PLLs' VCOs near 400 MHz to minimze errors. + */ + + /* + * VDCLK Integer = 0x0f, Post Divider = 0x04 + * AIMCLK Integer = 0x0e, Post Divider = 0x16 + */ + cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f); + + /* VDCLK Fraction = 0x2be2fe */ + /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */ + cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe); + + /* AIMCLK Fraction = 0x05227ad */ + /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/ + cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad); + + /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */ + cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56); + break; + + case CX18_AV_INIT_NORMAL: + default: + if (!state->is_initialized) { + /* initialize on first use */ + state->is_initialized = 1; + cx18_av_initialize(cx); + } + break; + } + return 0; +} void cx18_av_std_setup(struct cx18 *cx) { struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; v4l2_std_id std = state->std; int hblank, hactive, burst, vblank, vactive, sc; int vblank656, src_decimation; @@ -213,6 +261,7 @@ 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 +285,40 @@ 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/mid-266, of blanked video + * vblank: half lines, after line 9/272, of blanked video + * + * As far as I can tell: + * vblank656 starts counting from the falling edge of the first + * vsync pulse (start of line 4 or mid-266) + * vblank starts counting from the after the 6 vsync pulses and + * 6 or 5 equalization pulses (start of line 10 or 272) + * + * For 525 line systems the driver will extract VBI information + * from lines 10-21 and lines 273-284. + */ + vblank656 = 38; /* lines 4 - 22 & 266 - 284 */ + vblank = 26; /* lines 10 - 22 & 272 - 284 */ + vactive = 481; /* lines 23 - 263 & 285 - 525 */ + + /* + * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is + * is 858 pixels = 720 active + 138 blanking. The Hsync leading + * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the + * end of active video, leaving 122 pixels of hblank to ignore + * before active video starts. + */ 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) { @@ -265,33 +341,35 @@ void cx18_av_std_setup(struct cx18 *cx) pll_int = cx18_av_read(cx, 0x108); pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; pll_post = cx18_av_read(cx, 0x109); - CX18_DEBUG_INFO("PLL regs = int: %u, frac: %u, post: %u\n", - pll_int, pll_frac, pll_post); + CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n", + pll_int, pll_frac, pll_post); if (pll_post) { int fin, fsc, pll; pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25; pll /= pll_post; - CX18_DEBUG_INFO("PLL = %d.%06d MHz\n", - pll / 1000000, pll % 1000000); - CX18_DEBUG_INFO("PLL/8 = %d.%06d MHz\n", - pll / 8000000, (pll / 8) % 1000000); + CX18_DEBUG_INFO_DEV(sd, "PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + CX18_DEBUG_INFO_DEV(sd, "PLL/8 = %d.%06d MHz\n", + pll / 8000000, (pll / 8) % 1000000); fin = ((u64)src_decimation * pll) >> 12; - CX18_DEBUG_INFO("ADC Sampling freq = %d.%06d MHz\n", - fin / 1000000, fin % 1000000); + CX18_DEBUG_INFO_DEV(sd, "ADC Sampling freq = %d.%06d MHz\n", + fin / 1000000, fin % 1000000); fsc = (((u64)sc) * pll) >> 24L; - CX18_DEBUG_INFO("Chroma sub-carrier freq = %d.%06d MHz\n", - fsc / 1000000, fsc % 1000000); - - CX18_DEBUG_INFO("hblank %i, hactive %i, " - "vblank %i , vactive %i, vblank656 %i, src_dec %i," - "burst 0x%02x, luma_lpf %i, uv_lpf %i, comb 0x%02x," - " sc 0x%06x\n", - hblank, hactive, vblank, vactive, vblank656, - src_decimation, burst, luma_lpf, uv_lpf, comb, sc); + CX18_DEBUG_INFO_DEV(sd, + "Chroma sub-carrier freq = %d.%06d MHz\n", + fsc / 1000000, fsc % 1000000); + + CX18_DEBUG_INFO_DEV(sd, "hblank %i, hactive %i, vblank %i, " + "vactive %i, vblank656 %i, src_dec %i, " + "burst 0x%02x, luma_lpf %i, uv_lpf %i, " + "comb 0x%02x, sc 0x%06x\n", + hblank, hactive, vblank, vactive, vblank656, + src_decimation, burst, luma_lpf, uv_lpf, + comb, sc); } /* Sets horizontal blanking delay and active lines */ @@ -325,17 +403,28 @@ 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); } -/* ----------------------------------------------------------------------- */ +static int cx18_av_decode_vbi_line(struct v4l2_subdev *sd, + struct v4l2_decode_vbi_line *vbi_line) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + return cx18_av_vbi(cx, VIDIOC_INT_DECODE_VBI_LINE, vbi_line); +} + +static int cx18_av_s_clock_freq(struct v4l2_subdev *sd, u32 freq) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + return cx18_av_audio(cx, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freq); +} static void input_change(struct cx18 *cx) { @@ -382,17 +471,26 @@ static void input_change(struct cx18 *cx) } } +static int cx18_av_s_frequency(struct v4l2_subdev *sd, + struct v4l2_frequency *freq) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + input_change(cx); + return 0; +} + static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, enum cx18_av_audio_input aud_input) { struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; u8 is_composite = (vid_input >= CX18_AV_COMPOSITE1 && vid_input <= CX18_AV_COMPOSITE8); u8 reg; u8 v; - CX18_DEBUG_INFO("decoder set video input %d, audio input %d\n", - vid_input, aud_input); + CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n", + vid_input, aud_input); if (is_composite) { reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); @@ -405,8 +503,8 @@ static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, luma > CX18_AV_SVIDEO_LUMA8 || chroma < CX18_AV_SVIDEO_CHROMA4 || chroma > CX18_AV_SVIDEO_CHROMA8) { - CX18_ERR("0x%04x is not a valid video input!\n", - vid_input); + CX18_ERR_DEV(sd, "0x%04x is not a valid video input!\n", + vid_input); return -EINVAL; } reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); @@ -431,7 +529,8 @@ static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break; default: - CX18_ERR("0x%04x is not a valid audio input!\n", aud_input); + CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n", + aud_input); return -EINVAL; } @@ -461,14 +560,118 @@ static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, return 0; } -/* ----------------------------------------------------------------------- */ +static int cx18_av_s_video_routing(struct v4l2_subdev *sd, + const struct v4l2_routing *route) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, route->input, state->aud_input); +} -static int set_v4lstd(struct cx18 *cx) +static int cx18_av_s_audio_routing(struct v4l2_subdev *sd, + const struct v4l2_routing *route) { - struct cx18_av_state *state = &cx->av_state; + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, state->vid_input, route->input); +} + +static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + u8 vpres; + u8 mode; + int val = 0; + + if (state->radio) + return 0; + + vpres = cx18_av_read(cx, 0x40e) & 0x20; + vt->signal = vpres ? 0xffff : 0x0; + + vt->capability |= + V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | + V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; + + mode = cx18_av_read(cx, 0x804); + + /* get rxsubchans and audmode */ + if ((mode & 0xf) == 1) + val |= V4L2_TUNER_SUB_STEREO; + else + val |= V4L2_TUNER_SUB_MONO; + + if (mode == 2 || mode == 4) + val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; + + if (mode & 0x10) + val |= V4L2_TUNER_SUB_SAP; + + vt->rxsubchans = val; + vt->audmode = state->audmode; + return 0; +} + +static int cx18_av_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + u8 v; + + if (state->radio) + return 0; + + v = cx18_av_read(cx, 0x809); + v &= ~0xf; + + switch (vt->audmode) { + case V4L2_TUNER_MODE_MONO: + /* mono -> mono + stereo -> mono + bilingual -> lang1 */ + break; + case V4L2_TUNER_MODE_STEREO: + case V4L2_TUNER_MODE_LANG1: + /* mono -> mono + stereo -> stereo + bilingual -> lang1 */ + v |= 0x4; + break; + case V4L2_TUNER_MODE_LANG1_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang1/lang2 */ + v |= 0x7; + break; + case V4L2_TUNER_MODE_LANG2: + /* mono -> mono + stereo -> stereo + bilingual -> lang2 */ + v |= 0x1; + break; + default: + return -EINVAL; + } + cx18_av_write_expect(cx, 0x809, v, v, 0xff); + state->audmode = vt->audmode; + return 0; +} + +static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + u8 fmt = 0; /* zero is autodetect */ u8 pal_m = 0; + if (state->radio == 0 && state->std == norm) + return 0; + + state->radio = 0; + state->std = norm; + /* First tests should be against specific std */ if (state->std == V4L2_STD_NTSC_M_JP) { fmt = 0x2; @@ -493,7 +696,7 @@ static int set_v4lstd(struct cx18 *cx) fmt = 0xc; } - CX18_DEBUG_INFO("changing video std to fmt %i\n", fmt); + CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt); /* Follow step 9 of section 3.16 in the cx18_av datasheet. Without this PAL may display a vertical ghosting effect. @@ -511,15 +714,22 @@ static int set_v4lstd(struct cx18 *cx) return 0; } -/* ----------------------------------------------------------------------- */ +static int cx18_av_s_radio(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + state->radio = 1; + return 0; +} -static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) +static int cx18_av_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { + struct cx18 *cx = v4l2_get_subdevdata(sd); + switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: if (ctrl->value < 0 || ctrl->value > 255) { - CX18_ERR("invalid brightness setting %d\n", - ctrl->value); + CX18_ERR_DEV(sd, "invalid brightness setting %d\n", + ctrl->value); return -ERANGE; } @@ -528,8 +738,8 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) case V4L2_CID_CONTRAST: if (ctrl->value < 0 || ctrl->value > 127) { - CX18_ERR("invalid contrast setting %d\n", - ctrl->value); + CX18_ERR_DEV(sd, "invalid contrast setting %d\n", + ctrl->value); return -ERANGE; } @@ -538,8 +748,8 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) case V4L2_CID_SATURATION: if (ctrl->value < 0 || ctrl->value > 127) { - CX18_ERR("invalid saturation setting %d\n", - ctrl->value); + CX18_ERR_DEV(sd, "invalid saturation setting %d\n", + ctrl->value); return -ERANGE; } @@ -548,8 +758,9 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) break; case V4L2_CID_HUE: - if (ctrl->value < -127 || ctrl->value > 127) { - CX18_ERR("invalid hue setting %d\n", ctrl->value); + if (ctrl->value < -128 || ctrl->value > 127) { + CX18_ERR_DEV(sd, "invalid hue setting %d\n", + ctrl->value); return -ERANGE; } @@ -566,12 +777,13 @@ static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) default: return -EINVAL; } - return 0; } -static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) +static int cx18_av_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { + struct cx18 *cx = v4l2_get_subdevdata(sd); + switch (ctrl->id) { case V4L2_CID_BRIGHTNESS: ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128; @@ -594,27 +806,59 @@ static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) default: return -EINVAL; } - return 0; } -/* ----------------------------------------------------------------------- */ +static int cx18_av_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); -static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) + switch (qc->id) { + case V4L2_CID_BRIGHTNESS: + return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128); + case V4L2_CID_CONTRAST: + case V4L2_CID_SATURATION: + return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64); + case V4L2_CID_HUE: + return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0); + default: + break; + } + + switch (qc->id) { + case V4L2_CID_AUDIO_VOLUME: + return v4l2_ctrl_query_fill(qc, 0, 65535, + 65535 / 100, state->default_volume); + case V4L2_CID_AUDIO_MUTE: + return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); + case V4L2_CID_AUDIO_BALANCE: + case V4L2_CID_AUDIO_BASS: + case V4L2_CID_AUDIO_TREBLE: + return v4l2_ctrl_query_fill(qc, 0, 65535, 65535 / 100, 32768); + default: + return -EINVAL; + } + return -EINVAL; +} + +static int cx18_av_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) { + struct cx18 *cx = v4l2_get_subdevdata(sd); + switch (fmt->type) { case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: return cx18_av_vbi(cx, VIDIOC_G_FMT, fmt); default: return -EINVAL; } - return 0; } -static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) +static int cx18_av_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt) { - struct cx18_av_state *state = &cx->av_state; + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + struct v4l2_pix_format *pix; int HSC, VSC, Vsrc, Hsrc, filter, Vlines; int is_50Hz = !(state->std & V4L2_STD_525_60); @@ -629,12 +873,26 @@ static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; - Vlines = pix->height + (is_50Hz ? 4 : 7); - + /* + * This adjustment reflects the excess of vactive, set in + * cx18_av_std_setup(), above standard values: + * + * 480 + 1 for 60 Hz systems + * 576 + 4 for 50 Hz systems + */ + Vlines = pix->height + (is_50Hz ? 4 : 1); + + /* + * Invalid height and width scaling requests are: + * 1. width less than 1/16 of the source width + * 2. width greater than the source width + * 3. height less than 1/8 of the source height + * 4. height greater than the source height + */ if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) || (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { - CX18_ERR("%dx%d is not a valid size!\n", - pix->width, pix->height); + CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n", + pix->width, pix->height); return -ERANGE; } @@ -651,8 +909,9 @@ static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) else filter = 3; - CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n", - pix->width, pix->height, HSC, VSC); + CX18_DEBUG_INFO_DEV(sd, + "decoder set size %dx%d -> scale %ux%u\n", + pix->width, pix->height, HSC, VSC); /* HSCALE=HSC */ cx18_av_write(cx, 0x418, HSC & 0xff); @@ -674,223 +933,24 @@ static int set_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) default: return -EINVAL; } - return 0; } -/* ----------------------------------------------------------------------- */ - -int cx18_av_cmd(struct cx18 *cx, unsigned int cmd, void *arg) +static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable) { - 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; - } + struct cx18 *cx = v4l2_get_subdevdata(sd); - if (!state->is_initialized) { - CX18_DEBUG_INFO("cmd %08x triggered fw load\n", cmd); - /* initialize on first use */ - state->is_initialized = 1; - cx18_av_initialize(cx); - } - - switch (cmd) { - case VIDIOC_INT_DECODE_VBI_LINE: - return cx18_av_vbi(cx, cmd, arg); - - case VIDIOC_INT_AUDIO_CLOCK_FREQ: - return cx18_av_audio(cx, cmd, arg); - - case VIDIOC_STREAMON: - CX18_DEBUG_INFO("enable output\n"); + CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable"); + if (enable) { cx18_av_write(cx, 0x115, 0x8c); cx18_av_write(cx, 0x116, 0x07); - break; - - case VIDIOC_STREAMOFF: - CX18_DEBUG_INFO("disable output\n"); + } else { cx18_av_write(cx, 0x115, 0x00); cx18_av_write(cx, 0x116, 0x00); - break; - - case VIDIOC_LOG_STATUS: - log_video_status(cx); - log_audio_status(cx); - break; - - case VIDIOC_G_CTRL: - return get_v4lctrl(cx, (struct v4l2_control *)arg); - - case VIDIOC_S_CTRL: - return set_v4lctrl(cx, (struct v4l2_control *)arg); - - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *qc = arg; - - switch (qc->id) { - case V4L2_CID_BRIGHTNESS: - case V4L2_CID_CONTRAST: - case V4L2_CID_SATURATION: - case V4L2_CID_HUE: - return v4l2_ctrl_query_fill_std(qc); - default: - break; - } - - switch (qc->id) { - case V4L2_CID_AUDIO_VOLUME: - return v4l2_ctrl_query_fill(qc, 0, 65535, - 65535 / 100, state->default_volume); - case V4L2_CID_AUDIO_MUTE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - return v4l2_ctrl_query_fill_std(qc); - default: - return -EINVAL; - } - return -EINVAL; - } - - case VIDIOC_G_STD: - *(v4l2_std_id *)arg = state->std; - break; - - case VIDIOC_S_STD: - if (state->radio == 0 && state->std == *(v4l2_std_id *)arg) - return 0; - state->radio = 0; - state->std = *(v4l2_std_id *)arg; - return set_v4lstd(cx); - - case AUDC_SET_RADIO: - state->radio = 1; - break; - - case VIDIOC_INT_G_VIDEO_ROUTING: - route->input = state->vid_input; - route->output = 0; - break; - - case VIDIOC_INT_S_VIDEO_ROUTING: - return set_input(cx, route->input, state->aud_input); - - case VIDIOC_INT_G_AUDIO_ROUTING: - route->input = state->aud_input; - route->output = 0; - break; - - case VIDIOC_INT_S_AUDIO_ROUTING: - return set_input(cx, state->vid_input, route->input); - - case VIDIOC_S_FREQUENCY: - input_change(cx); - break; - - case VIDIOC_G_TUNER: - { - u8 vpres = cx18_av_read(cx, 0x40e) & 0x20; - u8 mode; - int val = 0; - - if (state->radio) - break; - - vt->signal = vpres ? 0xffff : 0x0; - - vt->capability |= - V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | - V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; - - mode = cx18_av_read(cx, 0x804); - - /* get rxsubchans and audmode */ - if ((mode & 0xf) == 1) - val |= V4L2_TUNER_SUB_STEREO; - else - val |= V4L2_TUNER_SUB_MONO; - - if (mode == 2 || mode == 4) - val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; - - if (mode & 0x10) - val |= V4L2_TUNER_SUB_SAP; - - vt->rxsubchans = val; - vt->audmode = state->audmode; - break; } - - case VIDIOC_S_TUNER: - { - u8 v; - - if (state->radio) - break; - - v = cx18_av_read(cx, 0x809); - v &= ~0xf; - - switch (vt->audmode) { - case V4L2_TUNER_MODE_MONO: - /* mono -> mono - stereo -> mono - bilingual -> lang1 */ - break; - case V4L2_TUNER_MODE_STEREO: - case V4L2_TUNER_MODE_LANG1: - /* mono -> mono - stereo -> stereo - bilingual -> lang1 */ - v |= 0x4; - break; - case V4L2_TUNER_MODE_LANG1_LANG2: - /* mono -> mono - stereo -> stereo - bilingual -> lang1/lang2 */ - v |= 0x7; - break; - case V4L2_TUNER_MODE_LANG2: - /* mono -> mono - stereo -> stereo - bilingual -> lang2 */ - v |= 0x1; - break; - default: - return -EINVAL; - } - cx18_av_write_expect(cx, 0x809, v, v, 0xff); - state->audmode = vt->audmode; - break; - } - - case VIDIOC_G_FMT: - return get_v4lfmt(cx, (struct v4l2_format *)arg); - - case VIDIOC_S_FMT: - return set_v4lfmt(cx, (struct v4l2_format *)arg); - - case VIDIOC_INT_RESET: - cx18_av_initialize(cx); - break; - - default: - return -EINVAL; - } - return 0; } -/* ----------------------------------------------------------------------- */ - -/* ----------------------------------------------------------------------- */ - static void log_video_status(struct cx18 *cx) { static const char *const fmt_strs[] = { @@ -903,36 +963,40 @@ static void log_video_status(struct cx18 *cx) }; struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf; u8 gen_stat1 = cx18_av_read(cx, 0x40d); u8 gen_stat2 = cx18_av_read(cx, 0x40e); int vid_input = state->vid_input; - CX18_INFO("Video signal: %spresent\n", - (gen_stat2 & 0x20) ? "" : "not "); - CX18_INFO("Detected format: %s\n", - fmt_strs[gen_stat1 & 0xf]); + CX18_INFO_DEV(sd, "Video signal: %spresent\n", + (gen_stat2 & 0x20) ? "" : "not "); + CX18_INFO_DEV(sd, "Detected format: %s\n", + fmt_strs[gen_stat1 & 0xf]); - CX18_INFO("Specified standard: %s\n", - vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); + CX18_INFO_DEV(sd, "Specified standard: %s\n", + vidfmt_sel ? fmt_strs[vidfmt_sel] + : "automatic detection"); if (vid_input >= CX18_AV_COMPOSITE1 && vid_input <= CX18_AV_COMPOSITE8) { - CX18_INFO("Specified video input: Composite %d\n", - vid_input - CX18_AV_COMPOSITE1 + 1); + CX18_INFO_DEV(sd, "Specified video input: Composite %d\n", + vid_input - CX18_AV_COMPOSITE1 + 1); } else { - CX18_INFO("Specified video input: S-Video (Luma In%d, Chroma In%d)\n", - (vid_input & 0xf0) >> 4, (vid_input & 0xf00) >> 8); + CX18_INFO_DEV(sd, "Specified video input: " + "S-Video (Luma In%d, Chroma In%d)\n", + (vid_input & 0xf0) >> 4, + (vid_input & 0xf00) >> 8); } - CX18_INFO("Specified audioclock freq: %d Hz\n", state->audclk_freq); + CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n", + state->audclk_freq); } -/* ----------------------------------------------------------------------- */ - static void log_audio_status(struct cx18 *cx) { struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd = &state->sd; u8 download_ctl = cx18_av_read(cx, 0x803); u8 mod_det_stat0 = cx18_av_read(cx, 0x804); u8 mod_det_stat1 = cx18_av_read(cx, 0x805); @@ -955,7 +1019,7 @@ static void log_audio_status(struct cx18 *cx) case 0xfe: p = "forced mode"; break; default: p = "not defined"; break; } - CX18_INFO("Detected audio mode: %s\n", p); + CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p); switch (mod_det_stat1) { case 0x00: p = "not defined"; break; @@ -980,11 +1044,11 @@ static void log_audio_status(struct cx18 *cx) case 0xff: p = "no detected audio standard"; break; default: p = "not defined"; break; } - CX18_INFO("Detected audio standard: %s\n", p); - CX18_INFO("Audio muted: %s\n", - (mute_ctl & 0x2) ? "yes" : "no"); - CX18_INFO("Audio microcontroller: %s\n", - (download_ctl & 0x10) ? "running" : "stopped"); + CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p); + CX18_INFO_DEV(sd, "Audio muted: %s\n", + (mute_ctl & 0x2) ? "yes" : "no"); + CX18_INFO_DEV(sd, "Audio microcontroller: %s\n", + (download_ctl & 0x10) ? "running" : "stopped"); switch (audio_config >> 4) { case 0x00: p = "undefined"; break; @@ -1005,7 +1069,7 @@ static void log_audio_status(struct cx18 *cx) case 0x0f: p = "automatic detection"; break; default: p = "undefined"; break; } - CX18_INFO("Configured audio standard: %s\n", p); + CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p); if ((audio_config >> 4) < 0xF) { switch (audio_config & 0xF) { @@ -1019,7 +1083,7 @@ static void log_audio_status(struct cx18 *cx) case 0x07: p = "DUAL3 (AB)"; break; default: p = "undefined"; } - CX18_INFO("Configured audio mode: %s\n", p); + CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p); } else { switch (audio_config & 0xF) { case 0x00: p = "BG"; break; @@ -1037,14 +1101,14 @@ static void log_audio_status(struct cx18 *cx) case 0x0f: p = "automatic standard and mode detection"; break; default: p = "undefined"; break; } - CX18_INFO("Configured audio system: %s\n", p); + CX18_INFO_DEV(sd, "Configured audio system: %s\n", p); } if (aud_input) - CX18_INFO("Specified audio input: Tuner (In%d)\n", - aud_input); + CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n", + aud_input); else - CX18_INFO("Specified audio input: External\n"); + CX18_INFO_DEV(sd, "Specified audio input: External\n"); switch (pref_mode & 0xf) { case 0: p = "mono/language A"; break; @@ -1057,14 +1121,14 @@ static void log_audio_status(struct cx18 *cx) case 7: p = "language AB"; break; default: p = "undefined"; break; } - CX18_INFO("Preferred audio mode: %s\n", p); + CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p); if ((audio_config & 0xf) == 0xf) { switch ((afc0 >> 3) & 0x1) { case 0: p = "system DK"; break; case 1: p = "system L"; break; } - CX18_INFO("Selected 65 MHz format: %s\n", p); + CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p); switch (afc0 & 0x7) { case 0: p = "Chroma"; break; @@ -1074,6 +1138,131 @@ static void log_audio_status(struct cx18 *cx) case 4: p = "autodetect"; break; default: p = "undefined"; break; } - CX18_INFO("Selected 45 MHz format: %s\n", p); + CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p); + } +} + +static int cx18_av_log_status(struct v4l2_subdev *sd) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + log_video_status(cx); + log_audio_status(cx); + return 0; +} + +static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match) +{ + return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1; +} + +static int cx18_av_g_chip_ident(struct v4l2_subdev *sd, + struct v4l2_dbg_chip_ident *chip) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + + if (cx18_av_dbg_match(&chip->match)) { + chip->ident = state->id; + chip->revision = state->rev; } + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int cx18_av_g_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + if (!cx18_av_dbg_match(®->match)) + return -EINVAL; + if ((reg->reg & 0x3) != 0) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + reg->size = 4; + reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc); + return 0; +} + +static int cx18_av_s_register(struct v4l2_subdev *sd, + struct v4l2_dbg_register *reg) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + if (!cx18_av_dbg_match(®->match)) + return -EINVAL; + if ((reg->reg & 0x3) != 0) + return -EINVAL; + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val); + return 0; +} +#endif + +static const struct v4l2_subdev_core_ops cx18_av_general_ops = { + .g_chip_ident = cx18_av_g_chip_ident, + .log_status = cx18_av_log_status, + .init = cx18_av_init, + .reset = cx18_av_reset, + .queryctrl = cx18_av_queryctrl, + .g_ctrl = cx18_av_g_ctrl, + .s_ctrl = cx18_av_s_ctrl, +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = cx18_av_g_register, + .s_register = cx18_av_s_register, +#endif +}; + +static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = { + .s_radio = cx18_av_s_radio, + .s_frequency = cx18_av_s_frequency, + .g_tuner = cx18_av_g_tuner, + .s_tuner = cx18_av_s_tuner, + .s_std = cx18_av_s_std, +}; + +static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = { + .s_clock_freq = cx18_av_s_clock_freq, + .s_routing = cx18_av_s_audio_routing, +}; + +static const struct v4l2_subdev_video_ops cx18_av_video_ops = { + .s_routing = cx18_av_s_video_routing, + .decode_vbi_line = cx18_av_decode_vbi_line, + .s_stream = cx18_av_s_stream, + .g_fmt = cx18_av_g_fmt, + .s_fmt = cx18_av_s_fmt, +}; + +static const struct v4l2_subdev_ops cx18_av_ops = { + .core = &cx18_av_general_ops, + .tuner = &cx18_av_tuner_ops, + .audio = &cx18_av_audio_ops, + .video = &cx18_av_video_ops, +}; + +int cx18_av_probe(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd; + + state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff; + state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO) + ? V4L2_IDENT_CX23418_843 : V4L2_IDENT_UNKNOWN; + + state->vid_input = CX18_AV_COMPOSITE7; + state->aud_input = CX18_AV_AUDIO8; + state->audclk_freq = 48000; + state->audmode = V4L2_TUNER_MODE_LANG1; + state->slicer_line_delay = 0; + state->slicer_line_offset = (10 + state->slicer_line_delay - 2); + + sd = &state->sd; + v4l2_subdev_init(sd, &cx18_av_ops); + v4l2_set_subdevdata(sd, cx); + snprintf(sd->name, sizeof(sd->name), + "%s %03x", cx->v4l2_dev.name, (state->rev >> 4)); + sd->grp_id = CX18_HW_418_AV; + return v4l2_device_register_subdev(&cx->v4l2_dev, sd); }