diff options
Diffstat (limited to 'drivers/media/video/cx18/cx18-av-core.c')
| -rw-r--r-- | drivers/media/video/cx18/cx18-av-core.c | 1079 |
1 files changed, 0 insertions, 1079 deletions
diff --git a/drivers/media/video/cx18/cx18-av-core.c b/drivers/media/video/cx18/cx18-av-core.c deleted file mode 100644 index 0b1c84b4ddd..00000000000 --- a/drivers/media/video/cx18/cx18-av-core.c +++ /dev/null @@ -1,1079 +0,0 @@ -/* - * cx18 ADEC audio functions - * - * Derived from cx25840-core.c - * - * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> - * Copyright (C) 2008 Andy Walls <awalls@radix.net> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version 2 - * of the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include "cx18-driver.h" -#include "cx18-io.h" - -int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) -{ - u32 reg = 0xc40000 + (addr & ~3); - u32 mask = 0xff; - int shift = (addr & 3) * 8; - u32 x = cx18_read_reg(cx, reg); - - x = (x & ~(mask << shift)) | ((u32)value << shift); - cx18_write_reg(cx, x, reg); - return 0; -} - -int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask) -{ - u32 reg = 0xc40000 + (addr & ~3); - int shift = (addr & 3) * 8; - u32 x = cx18_read_reg(cx, reg); - - x = (x & ~((u32)0xff << shift)) | ((u32)value << shift); - cx18_write_reg_expect(cx, x, reg, - ((u32)eval << shift), ((u32)mask << shift)); - return 0; -} - -int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) -{ - cx18_write_reg(cx, value, 0xc40000 + addr); - return 0; -} - -int -cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask) -{ - cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask); - return 0; -} - -int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value) -{ - cx18_write_reg_noretry(cx, value, 0xc40000 + addr); - return 0; -} - -u8 cx18_av_read(struct cx18 *cx, u16 addr) -{ - u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); - int shift = (addr & 3) * 8; - - return (x >> shift) & 0xff; -} - -u32 cx18_av_read4(struct cx18 *cx, u16 addr) -{ - return cx18_read_reg(cx, 0xc40000 + addr); -} - -int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, - u8 or_value) -{ - return cx18_av_write(cx, addr, - (cx18_av_read(cx, addr) & and_mask) | - or_value); -} - -int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, - u32 or_value) -{ - return cx18_av_write4(cx, addr, - (cx18_av_read4(cx, addr) & 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; - u32 v; - - cx18_av_loadfw(cx); - /* Stop 8051 code execution */ - cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000, - 0x03000000, 0x13000000); - - /* initallize the PLL by toggling sleep bit */ - v = cx18_av_read4(cx, CXADEC_HOST_REG1); - /* enable sleep mode - register appears to be read only... */ - cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe); - /* disable sleep mode */ - cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe, - v & 0xfffe, 0xffff); - - /* initialize DLLs */ - v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF; - /* disable FLD */ - cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v); - /* enable FLD */ - cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100); - - v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF; - /* disable FLD */ - cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v); - /* enable FLD */ - cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100); - - /* set analog bias currents. Set Vreg to 1.20V. */ - cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802); - - v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1; - /* enable TUNE_FIL_RST */ - cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F); - /* disable TUNE_FIL_RST */ - cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, - v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F); - - /* enable 656 output */ - cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00); - - /* video output drive strength */ - cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2); - - /* reset video */ - cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000); - cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0); - - /* set video to auto-detect */ - /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */ - /* set the comb notch = 1 */ - cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800); - - /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */ - /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */ - cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000); - - /* 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); */ - - /* Set the video input. - The setting in MODE_CTRL gets lost when we do the above setup */ - /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ - /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ - - v = cx18_av_read4(cx, CXADEC_AFE_CTRL); - v &= 0xFFFBFFFF; /* turn OFF bit 18 for droop_comp_ch1 */ - v &= 0xFFFF7FFF; /* turn OFF bit 9 for clamp_sel_ch1 */ - v &= 0xFFFFFFFE; /* turn OFF bit 0 for 12db_ch1 */ - /* v |= 0x00000001;*/ /* turn ON bit 0 for 12db_ch1 */ - cx18_av_write4(cx, CXADEC_AFE_CTRL, v); - -/* if(dwEnable && dw3DCombAvailable) { */ -/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */ -/* } else { */ -/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ -/* } */ - cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); - state->default_volume = 228 - cx18_av_read(cx, 0x8d4); - state->default_volume = ((state->default_volume / 2) + 23) << 9; -} - -/* ----------------------------------------------------------------------- */ - -void cx18_av_std_setup(struct cx18 *cx) -{ - struct cx18_av_state *state = &cx->av_state; - v4l2_std_id std = state->std; - int hblank, hactive, burst, vblank, vactive, sc; - int vblank656, src_decimation; - int luma_lpf, uv_lpf, comb; - u32 pll_int, pll_frac, pll_post; - - /* datasheet startup, step 8d */ - if (std & ~V4L2_STD_NTSC) - cx18_av_write(cx, 0x49f, 0x11); - else - cx18_av_write(cx, 0x49f, 0x14); - - if (std & V4L2_STD_625_50) { - hblank = 132; - hactive = 720; - burst = 93; - vblank = 36; - vactive = 580; - vblank656 = 40; - src_decimation = 0x21f; - - luma_lpf = 2; - if (std & V4L2_STD_PAL) { - uv_lpf = 1; - comb = 0x20; - sc = 688739; - } else if (std == V4L2_STD_PAL_Nc) { - uv_lpf = 1; - comb = 0x20; - sc = 556453; - } else { /* SECAM */ - uv_lpf = 0; - comb = 0; - sc = 672351; - } - } else { - 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) { - burst = 0x5b; - luma_lpf = 2; - comb = 0x20; - sc = 688739; - } else if (std == V4L2_STD_PAL_M) { - burst = 0x61; - comb = 0x20; - sc = 555452; - } else { - burst = 0x5b; - comb = 0x66; - sc = 556063; - } - } - - /* DEBUG: Displays configured PLL frequency */ - 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); - - 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); - - fin = ((u64)src_decimation * pll) >> 12; - CX18_DEBUG_INFO("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); - } - - /* Sets horizontal blanking delay and active lines */ - cx18_av_write(cx, 0x470, hblank); - cx18_av_write(cx, 0x471, 0xff & (((hblank >> 8) & 0x3) | - (hactive << 4))); - cx18_av_write(cx, 0x472, hactive >> 4); - - /* Sets burst gate delay */ - cx18_av_write(cx, 0x473, burst); - - /* Sets vertical blanking delay and active duration */ - cx18_av_write(cx, 0x474, vblank); - cx18_av_write(cx, 0x475, 0xff & (((vblank >> 8) & 0x3) | - (vactive << 4))); - cx18_av_write(cx, 0x476, vactive >> 4); - cx18_av_write(cx, 0x477, vblank656); - - /* Sets src decimation rate */ - cx18_av_write(cx, 0x478, 0xff & src_decimation); - cx18_av_write(cx, 0x479, 0xff & (src_decimation >> 8)); - - /* Sets Luma and UV Low pass filters */ - cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); - - /* Enables comb filters */ - cx18_av_write(cx, 0x47b, comb); - - /* Sets SC Step*/ - cx18_av_write(cx, 0x47c, sc); - 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; - } else { - cx18_av_write(cx, 0x47f, 0x00); - state->vbi_line_offset = 8; - } -} - -/* ----------------------------------------------------------------------- */ - -static void input_change(struct cx18 *cx) -{ - struct cx18_av_state *state = &cx->av_state; - v4l2_std_id std = state->std; - u8 v; - - /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */ - cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); - cx18_av_and_or(cx, 0x401, ~0x60, 0); - cx18_av_and_or(cx, 0x401, ~0x60, 0x60); - - if (std & V4L2_STD_525_60) { - if (std == V4L2_STD_NTSC_M_JP) { - /* Japan uses EIAJ audio standard */ - cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff); - cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f); - } else if (std == V4L2_STD_NTSC_M_KR) { - /* South Korea uses A2 audio standard */ - cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff); - cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); - } else { - /* Others use the BTSC audio standard */ - cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff); - cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f); - } - } else if (std & V4L2_STD_PAL) { - /* Follow tuner change procedure for PAL */ - cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); - cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); - } else if (std & V4L2_STD_SECAM) { - /* Select autodetect for SECAM */ - cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); - cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); - } - - v = cx18_av_read(cx, 0x803); - if (v & 0x10) { - /* restart audio decoder microcontroller */ - v &= ~0x10; - cx18_av_write_expect(cx, 0x803, v, v, 0x1f); - v |= 0x10; - cx18_av_write_expect(cx, 0x803, v, v, 0x1f); - } -} - -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; - 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); - - if (is_composite) { - reg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); - } else { - int luma = vid_input & 0xf0; - int chroma = vid_input & 0xf00; - - if ((vid_input & ~0xff0) || - luma < CX18_AV_SVIDEO_LUMA1 || - 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); - return -EINVAL; - } - reg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); - if (chroma >= CX18_AV_SVIDEO_CHROMA7) { - reg &= 0x3f; - reg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; - } else { - reg &= 0xcf; - reg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; - } - } - - switch (aud_input) { - case CX18_AV_AUDIO_SERIAL1: - case CX18_AV_AUDIO_SERIAL2: - /* do nothing, use serial audio input */ - break; - case CX18_AV_AUDIO4: reg &= ~0x30; break; - case CX18_AV_AUDIO5: reg &= ~0x30; reg |= 0x10; break; - case CX18_AV_AUDIO6: reg &= ~0x30; reg |= 0x20; break; - case CX18_AV_AUDIO7: reg &= ~0xc0; break; - case CX18_AV_AUDIO8: reg &= ~0xc0; reg |= 0x40; break; - - default: - CX18_ERR("0x%04x is not a valid audio input!\n", aud_input); - return -EINVAL; - } - - cx18_av_write_expect(cx, 0x103, reg, reg, 0xf7); - /* Set INPUT_MODE to Composite (0) or S-Video (1) */ - cx18_av_and_or(cx, 0x401, ~0x6, is_composite ? 0 : 0x02); - - /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ - v = cx18_av_read(cx, 0x102); - if (reg & 0x80) - v &= ~0x2; - else - v |= 0x2; - /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ - if ((reg & 0xc0) != 0xc0 && (reg & 0x30) != 0x30) - v |= 0x4; - else - v &= ~0x4; - cx18_av_write_expect(cx, 0x102, v, v, 0x17); - - /*cx18_av_and_or4(cx, 0x104, ~0x001b4180, 0x00004180);*/ - - state->vid_input = vid_input; - state->aud_input = aud_input; - cx18_av_audio_set_path(cx); - input_change(cx); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static int set_v4lstd(struct cx18 *cx) -{ - struct cx18_av_state *state = &cx->av_state; - u8 fmt = 0; /* zero is autodetect */ - u8 pal_m = 0; - - /* First tests should be against specific std */ - if (state->std == V4L2_STD_NTSC_M_JP) { - fmt = 0x2; - } else if (state->std == V4L2_STD_NTSC_443) { - fmt = 0x3; - } else if (state->std == V4L2_STD_PAL_M) { - pal_m = 1; - fmt = 0x5; - } else if (state->std == V4L2_STD_PAL_N) { - fmt = 0x6; - } else if (state->std == V4L2_STD_PAL_Nc) { - fmt = 0x7; - } else if (state->std == V4L2_STD_PAL_60) { - fmt = 0x8; - } else { - /* Then, test against generic ones */ - if (state->std & V4L2_STD_NTSC) - fmt = 0x1; - else if (state->std & V4L2_STD_PAL) - fmt = 0x4; - else if (state->std & V4L2_STD_SECAM) - fmt = 0xc; - } - - CX18_DEBUG_INFO("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. - This happens for example with the Yuan MPC622. */ - if (fmt >= 4 && fmt < 8) { - /* Set format to NTSC-M */ - cx18_av_and_or(cx, 0x400, ~0xf, 1); - /* Turn off LCOMB */ - cx18_av_and_or(cx, 0x47b, ~6, 0); - } - cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20); - cx18_av_and_or(cx, 0x403, ~0x3, pal_m); - cx18_av_std_setup(cx); - input_change(cx); - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static int set_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) -{ - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - if (ctrl->value < 0 || ctrl->value > 255) { - CX18_ERR("invalid brightness setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx18_av_write(cx, 0x414, ctrl->value - 128); - break; - - case V4L2_CID_CONTRAST: - if (ctrl->value < 0 || ctrl->value > 127) { - CX18_ERR("invalid contrast setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx18_av_write(cx, 0x415, ctrl->value << 1); - break; - - case V4L2_CID_SATURATION: - if (ctrl->value < 0 || ctrl->value > 127) { - CX18_ERR("invalid saturation setting %d\n", - ctrl->value); - return -ERANGE; - } - - cx18_av_write(cx, 0x420, ctrl->value << 1); - cx18_av_write(cx, 0x421, ctrl->value << 1); - break; - - case V4L2_CID_HUE: - if (ctrl->value < -127 || ctrl->value > 127) { - CX18_ERR("invalid hue setting %d\n", ctrl->value); - return -ERANGE; - } - - cx18_av_write(cx, 0x422, ctrl->value); - break; - - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_MUTE: - return cx18_av_audio(cx, VIDIOC_S_CTRL, ctrl); - - default: - return -EINVAL; - } - - return 0; -} - -static int get_v4lctrl(struct cx18 *cx, struct v4l2_control *ctrl) -{ - switch (ctrl->id) { - case V4L2_CID_BRIGHTNESS: - ctrl->value = (s8)cx18_av_read(cx, 0x414) + 128; - break; - case V4L2_CID_CONTRAST: - ctrl->value = cx18_av_read(cx, 0x415) >> 1; - break; - case V4L2_CID_SATURATION: - ctrl->value = cx18_av_read(cx, 0x420) >> 1; - break; - case V4L2_CID_HUE: - ctrl->value = (s8)cx18_av_read(cx, 0x422); - break; - case V4L2_CID_AUDIO_VOLUME: - case V4L2_CID_AUDIO_BASS: - case V4L2_CID_AUDIO_TREBLE: - case V4L2_CID_AUDIO_BALANCE: - case V4L2_CID_AUDIO_MUTE: - return cx18_av_audio(cx, VIDIOC_G_CTRL, ctrl); - default: - return -EINVAL; - } - - return 0; -} - -/* ----------------------------------------------------------------------- */ - -static int get_v4lfmt(struct cx18 *cx, struct v4l2_format *fmt) -{ - 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) -{ - struct cx18_av_state *state = &cx->av_state; - struct v4l2_pix_format *pix; - int HSC, VSC, Vsrc, Hsrc, filter, Vlines; - int is_50Hz = !(state->std & V4L2_STD_525_60); - - switch (fmt->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - pix = &(fmt->fmt.pix); - - Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4; - Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4; - - Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; - Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; - - Vlines = pix->height + (is_50Hz ? 4 : 7); - - 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); - return -ERANGE; - } - - HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20); - VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); - VSC &= 0x1fff; - - if (pix->width >= 385) - filter = 0; - else if (pix->width > 192) - filter = 1; - else if (pix->width > 96) - filter = 2; - else - filter = 3; - - CX18_DEBUG_INFO("decoder set size %dx%d -> scale %ux%u\n", - pix->width, pix->height, HSC, VSC); - - /* HSCALE=HSC */ - cx18_av_write(cx, 0x418, HSC & 0xff); - cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff); - cx18_av_write(cx, 0x41a, HSC >> 16); - /* VSCALE=VSC */ - cx18_av_write(cx, 0x41c, VSC & 0xff); - cx18_av_write(cx, 0x41d, VSC >> 8); - /* VS_INTRLACE=1 VFILT=filter */ - cx18_av_write(cx, 0x41e, 0x8 | filter); - break; - - case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: - return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt); - - case V4L2_BUF_TYPE_VBI_CAPTURE: - return cx18_av_vbi(cx, VIDIOC_S_FMT, fmt); - - default: - return -EINVAL; - } - - 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) { - 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_av_write(cx, 0x115, 0x8c); - cx18_av_write(cx, 0x116, 0x07); - break; - - case VIDIOC_STREAMOFF: - CX18_DEBUG_INFO("disable output\n"); - 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[] = { - "0x0", - "NTSC-M", "NTSC-J", "NTSC-4.43", - "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", - "0x9", "0xA", "0xB", - "SECAM", - "0xD", "0xE", "0xF" - }; - - struct cx18_av_state *state = &cx->av_state; - 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("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); - } 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("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; - 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); - u8 audio_config = cx18_av_read(cx, 0x808); - u8 pref_mode = cx18_av_read(cx, 0x809); - u8 afc0 = cx18_av_read(cx, 0x80b); - u8 mute_ctl = cx18_av_read(cx, 0x8d3); - int aud_input = state->aud_input; - char *p; - - switch (mod_det_stat0) { - case 0x00: p = "mono"; break; - case 0x01: p = "stereo"; break; - case 0x02: p = "dual"; break; - case 0x04: p = "tri"; break; - case 0x10: p = "mono with SAP"; break; - case 0x11: p = "stereo with SAP"; break; - case 0x12: p = "dual with SAP"; break; - case 0x14: p = "tri with SAP"; break; - case 0xfe: p = "forced mode"; break; - default: p = "not defined"; break; - } - CX18_INFO("Detected audio mode: %s\n", p); - - switch (mod_det_stat1) { - case 0x00: p = "not defined"; break; - case 0x01: p = "EIAJ"; break; - case 0x02: p = "A2-M"; break; - case 0x03: p = "A2-BG"; break; - case 0x04: p = "A2-DK1"; break; - case 0x05: p = "A2-DK2"; break; - case 0x06: p = "A2-DK3"; break; - case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; - case 0x08: p = "AM-L"; break; - case 0x09: p = "NICAM-BG"; break; - case 0x0a: p = "NICAM-DK"; break; - case 0x0b: p = "NICAM-I"; break; - case 0x0c: p = "NICAM-L"; break; - case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; - case 0x0e: p = "IF FM Radio"; break; - case 0x0f: p = "BTSC"; break; - case 0x10: p = "detected chrominance"; break; - case 0xfd: p = "unknown audio standard"; break; - case 0xfe: p = "forced audio standard"; break; - 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"); - - switch (audio_config >> 4) { - case 0x00: p = "undefined"; break; - case 0x01: p = "BTSC"; break; - case 0x02: p = "EIAJ"; break; - case 0x03: p = "A2-M"; break; - case 0x04: p = "A2-BG"; break; - case 0x05: p = "A2-DK1"; break; - case 0x06: p = "A2-DK2"; break; - case 0x07: p = "A2-DK3"; break; - case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; - case 0x09: p = "AM-L"; break; - case 0x0a: p = "NICAM-BG"; break; - case 0x0b: p = "NICAM-DK"; break; - case 0x0c: p = "NICAM-I"; break; - case 0x0d: p = "NICAM-L"; break; - case 0x0e: p = "FM radio"; break; - case 0x0f: p = "automatic detection"; break; - default: p = "undefined"; break; - } - CX18_INFO("Configured audio standard: %s\n", p); - - if ((audio_config >> 4) < 0xF) { - switch (audio_config & 0xF) { - case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; - case 0x01: p = "MONO2 (LANGUAGE B)"; break; - case 0x02: p = "MONO3 (STEREO forced MONO)"; break; - case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; - case 0x04: p = "STEREO"; break; - case 0x05: p = "DUAL1 (AC)"; break; - case 0x06: p = "DUAL2 (BC)"; break; - case 0x07: p = "DUAL3 (AB)"; break; - default: p = "undefined"; - } - CX18_INFO("Configured audio mode: %s\n", p); - } else { - switch (audio_config & 0xF) { - case 0x00: p = "BG"; break; - case 0x01: p = "DK1"; break; - case 0x02: p = "DK2"; break; - case 0x03: p = "DK3"; break; - case 0x04: p = "I"; break; - case 0x05: p = "L"; break; - case 0x06: p = "BTSC"; break; - case 0x07: p = "EIAJ"; break; - case 0x08: p = "A2-M"; break; - case 0x09: p = "FM Radio (4.5 MHz)"; break; - case 0x0a: p = "FM Radio (5.5 MHz)"; break; - case 0x0b: p = "S-Video"; break; - case 0x0f: p = "automatic standard and mode detection"; break; - default: p = "undefined"; break; - } - CX18_INFO("Configured audio system: %s\n", p); - } - - if (aud_input) - CX18_INFO("Specified audio input: Tuner (In%d)\n", - aud_input); - else - CX18_INFO("Specified audio input: External\n"); - - switch (pref_mode & 0xf) { - case 0: p = "mono/language A"; break; - case 1: p = "language B"; break; - case 2: p = "language C"; break; - case 3: p = "analog fallback"; break; - case 4: p = "stereo"; break; - case 5: p = "language AC"; break; - case 6: p = "language BC"; break; - case 7: p = "language AB"; break; - default: p = "undefined"; break; - } - CX18_INFO("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); - - switch (afc0 & 0x7) { - case 0: p = "Chroma"; break; - case 1: p = "BTSC"; break; - case 2: p = "EIAJ"; break; - case 3: p = "A2-M"; break; - case 4: p = "autodetect"; break; - default: p = "undefined"; break; - } - CX18_INFO("Selected 45 MHz format: %s\n", p); - } -} |