diff options
Diffstat (limited to 'drivers/media/pci/cx18/cx18-av-core.c')
| -rw-r--r-- | drivers/media/pci/cx18/cx18-av-core.c | 1401 |
1 files changed, 1401 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-av-core.c b/drivers/media/pci/cx18/cx18-av-core.c new file mode 100644 index 0000000..5350d8f --- /dev/null +++ b/drivers/media/pci/cx18/cx18-av-core.c @@ -0,0 +1,1401 @@ +/* + * cx18 ADEC audio functions + * + * Derived from cx25840-core.c + * + * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> + * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.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 <media/v4l2-chip-ident.h> +#include "cx18-driver.h" +#include "cx18-io.h" +#include "cx18-cards.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 void cx18_av_init(struct cx18 *cx) +{ + /* + * 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); +} + +static void cx18_av_initialize(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + int default_volume; + 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); + + /* + * Disable Video Auto-config of the Analog Front End and Video PLL. + * + * Since we only use BT.656 pixel mode, which works for both 525 and 625 + * line systems, it's just easier for us to set registers + * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL), + * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC) + * ourselves, than to run around cleaning up after the auto-config. + * + * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit + * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL + * autoconfig either.) + * + * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3. + */ + cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000); + + /* Setup the Video and and Aux/Audio PLLs */ + cx18_av_init(cx); + + /* 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); + + /* + * 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 */ + /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ + /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ + + /* + * Analog Front End (AFE) + * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2 + * bypass_ch[1-3] use filter + * droop_comp_ch[1-3] disable + * clamp_en_ch[1-3] disable + * aud_in_sel ADC2 + * luma_in_sel ADC1 + * chroma_in_sel ADC2 + * clamp_sel_ch[2-3] midcode + * clamp_sel_ch1 video decoder + * vga_sel_ch3 audio decoder + * vga_sel_ch[1-2] video decoder + * half_bw_ch[1-3] disable + * +12db_ch[1-3] disable + */ + cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00); + +/* 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); + default_volume = cx18_av_read(cx, 0x8d4); + /* + * Enforce the legacy volume scale mapping limits to avoid + * -ERANGE errors when initializing the volume control + */ + if (default_volume > 228) { + /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ + default_volume = 228; + cx18_av_write(cx, 0x8d4, 228); + } else if (default_volume < 20) { + /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ + default_volume = 20; + cx18_av_write(cx, 0x8d4, 20); + } + default_volume = (((228 - default_volume) >> 1) + 23) << 9; + state->volume->cur.val = state->volume->default_value = default_volume; + v4l2_ctrl_handler_setup(&state->hdl); +} + +static int cx18_av_reset(struct v4l2_subdev *sd, u32 val) +{ + cx18_av_initialize(sd); + return 0; +} + +static int cx18_av_load_fw(struct v4l2_subdev *sd) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + + if (!state->is_initialized) { + /* initialize on first use */ + state->is_initialized = 1; + cx18_av_initialize(sd); + } + 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; + + /* + * Video ADC crystal clock to pixel clock SRC decimation ratio + * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b + */ + const int src_decimation = 0x21f; + + int hblank, hactive, burst, vblank, vactive, sc; + int vblank656; + 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); + + /* + * Note: At the end of a field, there are 3 sets of half line duration + * (double horizontal rate) pulses: + * + * 5 (625) or 6 (525) half-lines to blank for the vertical retrace + * 5 (625) or 6 (525) vertical sync pulses of half line duration + * 5 (625) or 6 (525) half-lines of equalization pulses + */ + if (std & V4L2_STD_625_50) { + /* + * The following relationships of half line counts should hold: + * 625 = vblank656 + vactive + * 10 = vblank656 - vblank = vsync pulses + equalization pulses + * + * vblank656: half lines after line 625/mid-313 of blanked video + * vblank: half lines, after line 5/317, of blanked video + * vactive: half lines of active video + + * 5 half lines after the end of active video + * + * As far as I can tell: + * vblank656 starts counting from the falling edge of the first + * vsync pulse (start of line 1 or mid-313) + * vblank starts counting from the after the 5 vsync pulses and + * 5 or 4 equalization pulses (start of line 6 or 318) + * + * For 625 line systems the driver will extract VBI information + * from lines 6-23 and lines 318-335 (but the slicer can only + * handle 17 lines, not the 18 in the vblank region). + * In addition, we need vblank656 and vblank to be one whole + * line longer, to cover line 24 and 336, so the SAV/EAV RP + * codes get generated such that the encoder can actually + * extract line 23 & 335 (WSS). We'll lose 1 line in each field + * at the top of the screen. + * + * It appears the 5 half lines that happen after active + * video must be included in vactive (579 instead of 574), + * otherwise the colors get badly displayed in various regions + * of the screen. I guess the chroma comb filter gets confused + * without them (at least when a PVR-350 is the PAL source). + */ + vblank656 = 48; /* lines 1 - 24 & 313 - 336 */ + vblank = 38; /* lines 6 - 24 & 318 - 336 */ + vactive = 579; /* lines 24 - 313 & 337 - 626 */ + + /* + * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is + * is 864 pixels = 720 active + 144 blanking. ITU-R BT.601 + * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after + * the end of active video to start a horizontal line, so that + * leaves 132 pixels of hblank to ignore. + */ + hblank = 132; + hactive = 720; + + /* + * Burst gate delay (for 625 line systems) + * Hsync leading edge to color burst rise = 5.6 us + * Color burst width = 2.25 us + * Gate width = 4 pixel clocks + * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks + */ + burst = 93; + luma_lpf = 2; + if (std & V4L2_STD_PAL) { + uv_lpf = 1; + comb = 0x20; + /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ + sc = 688700; + } else if (std == V4L2_STD_PAL_Nc) { + uv_lpf = 1; + comb = 0x20; + /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */ + sc = 556422; + } else { /* SECAM */ + uv_lpf = 0; + comb = 0; + /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */ + /* sc = 4328130 * src_decimation/28636360 * 2^13 */ + sc = 672314; + } + } else { + /* + * The following relationships of half line counts should hold: + * 525 = prevsync + vblank656 + vactive + * 12 = vblank656 - vblank = vsync pulses + equalization pulses + * + * prevsync: 6 half-lines before the vsync pulses + * vblank656: half lines, after line 3/mid-266, of blanked video + * vblank: half lines, after line 9/272, of blanked video + * vactive: half lines of active 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; + luma_lpf = 1; + uv_lpf = 1; + + /* + * Burst gate delay (for 525 line systems) + * Hsync leading edge to color burst rise = 5.3 us + * Color burst width = 2.5 us + * Gate width = 4 pixel clocks + * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks + */ + if (std == V4L2_STD_PAL_60) { + burst = 90; + luma_lpf = 2; + comb = 0x20; + /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ + sc = 688700; + } else if (std == V4L2_STD_PAL_M) { + /* The 97 needs to be verified against PAL-M timings */ + burst = 97; + comb = 0x20; + /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */ + sc = 555421; + } else { + burst = 90; + comb = 0x66; + /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */ + sc = 556032; + } + } + + /* 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_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n", + pll_int, pll_frac, pll_post); + + if (pll_post) { + int fsc, pll; + u64 tmp; + + pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25; + pll /= pll_post; + CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n", + pll / 1000000, pll % 1000000); + CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n", + pll / 8000000, (pll / 8) % 1000000); + + CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio " + "= %d.%03d\n", src_decimation / 256, + ((src_decimation % 256) * 1000) / 256); + + tmp = 28636360 * (u64) sc; + do_div(tmp, src_decimation); + fsc = tmp >> 13; + CX18_DEBUG_INFO_DEV(sd, + "Chroma sub-carrier initial 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 */ + 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); + + if (std & V4L2_STD_625_50) { + state->slicer_line_delay = 1; + state->slicer_line_offset = (6 + state->slicer_line_delay - 2); + } else { + 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 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 cx18_av_s_frequency(struct v4l2_subdev *sd, + const 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; + + enum analog_signal_type { + NONE, CVBS, Y, C, SIF, Pb, Pr + } ch[3] = {NONE, NONE, NONE}; + + u8 afe_mux_cfg; + u8 adc2_cfg; + u8 input_mode; + u32 afe_cfg; + int i; + + CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n", + vid_input, aud_input); + + if (vid_input >= CX18_AV_COMPOSITE1 && + vid_input <= CX18_AV_COMPOSITE8) { + afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); + ch[0] = CVBS; + input_mode = 0x0; + } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) { + int luma = vid_input & 0xf000; + int r_chroma = vid_input & 0xf0000; + int b_chroma = vid_input & 0xf00000; + + if ((vid_input & ~0xfff000) || + luma < CX18_AV_COMPONENT_LUMA1 || + luma > CX18_AV_COMPONENT_LUMA8 || + r_chroma < CX18_AV_COMPONENT_R_CHROMA4 || + r_chroma > CX18_AV_COMPONENT_R_CHROMA6 || + b_chroma < CX18_AV_COMPONENT_B_CHROMA7 || + b_chroma > CX18_AV_COMPONENT_B_CHROMA8) { + CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12; + ch[0] = Y; + afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12; + ch[1] = Pr; + afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14; + ch[2] = Pb; + input_mode = 0x6; + } 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_DEV(sd, "0x%06x is not a valid video input!\n", + vid_input); + return -EINVAL; + } + afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); + ch[0] = Y; + if (chroma >= CX18_AV_SVIDEO_CHROMA7) { + afe_mux_cfg &= 0x3f; + afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; + ch[2] = C; + } else { + afe_mux_cfg &= 0xcf; + afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; + ch[1] = C; + } + input_mode = 0x2; + } + + switch (aud_input) { + case CX18_AV_AUDIO_SERIAL1: + case CX18_AV_AUDIO_SERIAL2: + /* do nothing, use serial audio input */ + break; + case CX18_AV_AUDIO4: + afe_mux_cfg &= ~0x30; + ch[1] = SIF; + break; + case CX18_AV_AUDIO5: + afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10; + ch[1] = SIF; + break; + case CX18_AV_AUDIO6: + afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20; + ch[1] = SIF; + break; + case CX18_AV_AUDIO7: + afe_mux_cfg &= ~0xc0; + ch[2] = SIF; + break; + case CX18_AV_AUDIO8: + afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40; + ch[2] = SIF; + break; + + default: + CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n", + aud_input); + return -EINVAL; + } + + /* Set up analog front end multiplexers */ + cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7); + /* Set INPUT_MODE to Composite, S-Video, or Component */ + cx18_av_and_or(cx, 0x401, ~0x6, input_mode); + + /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ + adc2_cfg = cx18_av_read(cx, 0x102); + if (ch[2] == NONE) + adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */ + else + adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */ + + /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ + if (ch[1] != NONE && ch[2] != NONE) + adc2_cfg |= 0x4; /* Set dual mode */ + else + adc2_cfg &= ~0x4; /* Clear dual mode */ + cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17); + + /* Configure the analog front end */ + afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL); + afe_cfg &= 0xff000000; + afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */ + if (ch[1] != NONE && ch[2] != NONE) + afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */ + + for (i = 0; i < 3; i++) { + switch (ch[i]) { + default: + case NONE: + /* CLAMP_SEL = Fixed to midcode clamp level */ + afe_cfg |= (0x00000200 << i); + break; + case CVBS: + case Y: + if (i > 0) + afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */ + break; + case C: + case Pb: + case Pr: + /* CLAMP_SEL = Fixed to midcode clamp level */ + afe_cfg |= (0x00000200 << i); + if (i == 0 && ch[i] == C) + afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */ + break; + case SIF: + /* + * VGA_GAIN_SEL = Audio Decoder + * CLAMP_SEL = Fixed to midcode clamp level + */ + afe_cfg |= (0x00000240 << i); + if (i == 0) + afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */ + break; + } + } + + cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg); + + state->vid_input = vid_input; + state->aud_input = aud_input; + cx18_av_audio_set_path(cx); + input_change(cx); + return 0; +} + +static int cx18_av_s_video_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, input, state->aud_input); +} + +static int cx18_av_s_audio_routing(struct v4l2_subdev *sd, + u32 input, u32 output, u32 config) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + return set_input(cx, state->vid_input, 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, const 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; + } 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_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. + 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 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 cx18_av_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = to_sd(ctrl); + struct cx18 *cx = v4l2_get_subdevdata(sd); + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + cx18_av_write(cx, 0x414, ctrl->val - 128); + break; + + case V4L2_CID_CONTRAST: + cx18_av_write(cx, 0x415, ctrl->val << 1); + break; + + case V4L2_CID_SATURATION: + cx18_av_write(cx, 0x420, ctrl->val << 1); + cx18_av_write(cx, 0x421, ctrl->val << 1); + break; + + case V4L2_CID_HUE: + cx18_av_write(cx, 0x422, ctrl->val); + break; + + default: + return -EINVAL; + } + return 0; +} + +static int cx18_av_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt) +{ + struct cx18_av_state *state = to_cx18_av_state(sd); + struct cx18 *cx = v4l2_get_subdevdata(sd); + int HSC, VSC, Vsrc, Hsrc, filter, Vlines; + int is_50Hz = !(state->std & V4L2_STD_525_60); + + if (fmt->code != V4L2_MBUS_FMT_FIXED) + return -EINVAL; + + fmt->field = V4L2_FIELD_INTERLACED; + fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; + + 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; + + /* + * This adjustment reflects the excess of vactive, set in + * cx18_av_std_setup(), above standard values: + * + * 480 + 1 for 60 Hz systems + * 576 + 3 for 50 Hz systems + */ + Vlines = fmt->height + (is_50Hz ? 3 : 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 ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) || + (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { + CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n", + fmt->width, fmt->height); + return -ERANGE; + } + + HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20); + VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); + VSC &= 0x1fff; + + if (fmt->width >= 385) + filter = 0; + else if (fmt->width > 192) + filter = 1; + else if (fmt->width > 96) + filter = 2; + else + filter = 3; + + CX18_DEBUG_INFO_DEV(sd, + "decoder set size %dx%d -> scale %ux%u\n", + fmt->width, fmt->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); + return 0; +} + +static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct cx18 *cx = v4l2_get_subdevdata(sd); + + 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); + } else { + cx18_av_write(cx, 0x115, 0x00); + cx18_av_write(cx, 0x116, 0x00); + } + 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; + 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_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_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_DEV(sd, "Specified video input: Composite %d\n", + vid_input - CX18_AV_COMPOSITE1 + 1); + } else { + 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_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); + 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_DEV(sd, "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_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; + 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_DEV(sd, "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_DEV(sd, "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_DEV(sd, "Configured audio system: %s\n", p); + } + + if (aud_input) + CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n", + aud_input); + else + CX18_INFO_DEV(sd, "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_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_DEV(sd, "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_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 CPTCFG_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, + const 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_ctrl_ops cx18_av_ctrl_ops = { + .s_ctrl = cx18_av_s_ctrl, +}; + +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, + .load_fw = cx18_av_load_fw, + .reset = cx18_av_reset, + .g_ctrl = v4l2_subdev_g_ctrl, + .s_ctrl = v4l2_subdev_s_ctrl, + .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, + .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, + .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, + .queryctrl = v4l2_subdev_queryctrl, + .querymenu = v4l2_subdev_querymenu, + .s_std = cx18_av_s_std, +#ifdef CPTCFG_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, +}; + +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, + .s_stream = cx18_av_s_stream, + .s_mbus_fmt = cx18_av_s_mbus_fmt, +}; + +static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = { + .decode_vbi_line = cx18_av_decode_vbi_line, + .g_sliced_fmt = cx18_av_g_sliced_fmt, + .s_sliced_fmt = cx18_av_s_sliced_fmt, + .s_raw_fmt = cx18_av_s_raw_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, + .vbi = &cx18_av_vbi_ops, +}; + +int cx18_av_probe(struct cx18 *cx) +{ + struct cx18_av_state *state = &cx->av_state; + struct v4l2_subdev *sd; + int err; + + 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; + v4l2_ctrl_handler_init(&state->hdl, 9); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_CONTRAST, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_SATURATION, 0, 127, 1, 64); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, + V4L2_CID_HUE, -128, 127, 1, 0); + + state->volume = v4l2_ctrl_new_std(&state->hdl, + &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, + 0, 65535, 65535 / 100, 0); + v4l2_ctrl_new_std(&state->hdl, + &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, + 0, 1, 1, 0); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_BALANCE, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_BASS, + 0, 65535, 65535 / 100, 32768); + v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, + V4L2_CID_AUDIO_TREBLE, + 0, 65535, 65535 / 100, 32768); + sd->ctrl_handler = &state->hdl; + if (state->hdl.error) { + int err = state->hdl.error; + + v4l2_ctrl_handler_free(&state->hdl); + return err; + } + err = v4l2_device_register_subdev(&cx->v4l2_dev, sd); + if (err) + v4l2_ctrl_handler_free(&state->hdl); + else + cx18_av_init(cx); + return err; +} |