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cx18-av-core.c
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linux-6.19.14/drivers/media/pci/cx18/cx18-av-core.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * cx18 ADEC audio functions 4 * 5 * Derived from cx25840-core.c 6 * 7 * Copyright (C) 2007 Hans Verkuil <hverkuil@kernel.org> 8 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> 9 */ 10 11#include "cx18-driver.h" 12#include "cx18-io.h" 13#include "cx18-cards.h" 14 15int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) 16{ 17 u32 reg = 0xc40000 + (addr & ~3); 18 u32 mask = 0xff; 19 int shift = (addr & 3) * 8; 20 u32 x = cx18_read_reg(cx, reg); 21 22 x = (x & ~(mask << shift)) | ((u32)value << shift); 23 cx18_write_reg(cx, x, reg); 24 return 0; 25} 26 27int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask) 28{ 29 u32 reg = 0xc40000 + (addr & ~3); 30 int shift = (addr & 3) * 8; 31 u32 x = cx18_read_reg(cx, reg); 32 33 x = (x & ~((u32)0xff << shift)) | ((u32)value << shift); 34 cx18_write_reg_expect(cx, x, reg, 35 ((u32)eval << shift), ((u32)mask << shift)); 36 return 0; 37} 38 39int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) 40{ 41 cx18_write_reg(cx, value, 0xc40000 + addr); 42 return 0; 43} 44 45int 46cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask) 47{ 48 cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask); 49 return 0; 50} 51 52int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value) 53{ 54 cx18_write_reg_noretry(cx, value, 0xc40000 + addr); 55 return 0; 56} 57 58u8 cx18_av_read(struct cx18 *cx, u16 addr) 59{ 60 u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); 61 int shift = (addr & 3) * 8; 62 63 return (x >> shift) & 0xff; 64} 65 66u32 cx18_av_read4(struct cx18 *cx, u16 addr) 67{ 68 return cx18_read_reg(cx, 0xc40000 + addr); 69} 70 71int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, 72 u8 or_value) 73{ 74 return cx18_av_write(cx, addr, 75 (cx18_av_read(cx, addr) & and_mask) | 76 or_value); 77} 78 79int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, 80 u32 or_value) 81{ 82 return cx18_av_write4(cx, addr, 83 (cx18_av_read4(cx, addr) & and_mask) | 84 or_value); 85} 86 87static void cx18_av_init(struct cx18 *cx) 88{ 89 /* 90 * The crystal freq used in calculations in this driver will be 91 * 28.636360 MHz. 92 * Aim to run the PLLs' VCOs near 400 MHz to minimize errors. 93 */ 94 95 /* 96 * VDCLK Integer = 0x0f, Post Divider = 0x04 97 * AIMCLK Integer = 0x0e, Post Divider = 0x16 98 */ 99 cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f); 100 101 /* VDCLK Fraction = 0x2be2fe */ 102 /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */ 103 cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe); 104 105 /* AIMCLK Fraction = 0x05227ad */ 106 /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/ 107 cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad); 108 109 /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */ 110 cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56); 111} 112 113static void cx18_av_initialize(struct v4l2_subdev *sd) 114{ 115 struct cx18_av_state *state = to_cx18_av_state(sd); 116 struct cx18 *cx = v4l2_get_subdevdata(sd); 117 int default_volume; 118 u32 v; 119 120 cx18_av_loadfw(cx); 121 /* Stop 8051 code execution */ 122 cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000, 123 0x03000000, 0x13000000); 124 125 /* initialize the PLL by toggling sleep bit */ 126 v = cx18_av_read4(cx, CXADEC_HOST_REG1); 127 /* enable sleep mode - register appears to be read only... */ 128 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe); 129 /* disable sleep mode */ 130 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe, 131 v & 0xfffe, 0xffff); 132 133 /* initialize DLLs */ 134 v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF; 135 /* disable FLD */ 136 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v); 137 /* enable FLD */ 138 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100); 139 140 v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF; 141 /* disable FLD */ 142 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v); 143 /* enable FLD */ 144 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100); 145 146 /* set analog bias currents. Set Vreg to 1.20V. */ 147 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802); 148 149 v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1; 150 /* enable TUNE_FIL_RST */ 151 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F); 152 /* disable TUNE_FIL_RST */ 153 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, 154 v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F); 155 156 /* enable 656 output */ 157 cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00); 158 159 /* video output drive strength */ 160 cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2); 161 162 /* reset video */ 163 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000); 164 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0); 165 166 /* 167 * Disable Video Auto-config of the Analog Front End and Video PLL. 168 * 169 * Since we only use BT.656 pixel mode, which works for both 525 and 625 170 * line systems, it's just easier for us to set registers 171 * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL), 172 * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC) 173 * ourselves, than to run around cleaning up after the auto-config. 174 * 175 * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit 176 * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL 177 * autoconfig either.) 178 * 179 * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3. 180 */ 181 cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000); 182 183 /* Setup the Video and Aux/Audio PLLs */ 184 cx18_av_init(cx); 185 186 /* set video to auto-detect */ 187 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */ 188 /* set the comb notch = 1 */ 189 cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800); 190 191 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */ 192 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */ 193 cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000); 194 195 /* Set VGA_TRACK_RANGE to 0x20 */ 196 cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000); 197 198 /* 199 * Initial VBI setup 200 * VIP-1.1, 10 bit mode, enable Raw, disable sliced, 201 * don't clamp raw samples when codes are in use, 1 byte user D-words, 202 * IDID0 has line #, RP code V bit transition on VBLANK, data during 203 * blanking intervals 204 */ 205 cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e); 206 207 /* Set the video input. 208 The setting in MODE_CTRL gets lost when we do the above setup */ 209 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ 210 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ 211 212 /* 213 * Analog Front End (AFE) 214 * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2 215 * bypass_ch[1-3] use filter 216 * droop_comp_ch[1-3] disable 217 * clamp_en_ch[1-3] disable 218 * aud_in_sel ADC2 219 * luma_in_sel ADC1 220 * chroma_in_sel ADC2 221 * clamp_sel_ch[2-3] midcode 222 * clamp_sel_ch1 video decoder 223 * vga_sel_ch3 audio decoder 224 * vga_sel_ch[1-2] video decoder 225 * half_bw_ch[1-3] disable 226 * +12db_ch[1-3] disable 227 */ 228 cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00); 229 230/* if(dwEnable && dw3DCombAvailable) { */ 231/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */ 232/* } else { */ 233/* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ 234/* } */ 235 cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); 236 default_volume = cx18_av_read(cx, 0x8d4); 237 /* 238 * Enforce the legacy volume scale mapping limits to avoid 239 * -ERANGE errors when initializing the volume control 240 */ 241 if (default_volume > 228) { 242 /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ 243 default_volume = 228; 244 cx18_av_write(cx, 0x8d4, 228); 245 } else if (default_volume < 20) { 246 /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ 247 default_volume = 20; 248 cx18_av_write(cx, 0x8d4, 20); 249 } 250 default_volume = (((228 - default_volume) >> 1) + 23) << 9; 251 state->volume->cur.val = state->volume->default_value = default_volume; 252 v4l2_ctrl_handler_setup(&state->hdl); 253} 254 255static int cx18_av_reset(struct v4l2_subdev *sd, u32 val) 256{ 257 cx18_av_initialize(sd); 258 return 0; 259} 260 261static int cx18_av_load_fw(struct v4l2_subdev *sd) 262{ 263 struct cx18_av_state *state = to_cx18_av_state(sd); 264 265 if (!state->is_initialized) { 266 /* initialize on first use */ 267 state->is_initialized = 1; 268 cx18_av_initialize(sd); 269 } 270 return 0; 271} 272 273void cx18_av_std_setup(struct cx18 *cx) 274{ 275 struct cx18_av_state *state = &cx->av_state; 276 struct v4l2_subdev *sd = &state->sd; 277 v4l2_std_id std = state->std; 278 279 /* 280 * Video ADC crystal clock to pixel clock SRC decimation ratio 281 * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b 282 */ 283 const int src_decimation = 0x21f; 284 285 int hblank, hactive, burst, vblank, vactive, sc; 286 int vblank656; 287 int luma_lpf, uv_lpf, comb; 288 u32 pll_int, pll_frac, pll_post; 289 290 /* datasheet startup, step 8d */ 291 if (std & ~V4L2_STD_NTSC) 292 cx18_av_write(cx, 0x49f, 0x11); 293 else 294 cx18_av_write(cx, 0x49f, 0x14); 295 296 /* 297 * Note: At the end of a field, there are 3 sets of half line duration 298 * (double horizontal rate) pulses: 299 * 300 * 5 (625) or 6 (525) half-lines to blank for the vertical retrace 301 * 5 (625) or 6 (525) vertical sync pulses of half line duration 302 * 5 (625) or 6 (525) half-lines of equalization pulses 303 */ 304 if (std & V4L2_STD_625_50) { 305 /* 306 * The following relationships of half line counts should hold: 307 * 625 = vblank656 + vactive 308 * 10 = vblank656 - vblank = vsync pulses + equalization pulses 309 * 310 * vblank656: half lines after line 625/mid-313 of blanked video 311 * vblank: half lines, after line 5/317, of blanked video 312 * vactive: half lines of active video + 313 * 5 half lines after the end of active video 314 * 315 * As far as I can tell: 316 * vblank656 starts counting from the falling edge of the first 317 * vsync pulse (start of line 1 or mid-313) 318 * vblank starts counting from the after the 5 vsync pulses and 319 * 5 or 4 equalization pulses (start of line 6 or 318) 320 * 321 * For 625 line systems the driver will extract VBI information 322 * from lines 6-23 and lines 318-335 (but the slicer can only 323 * handle 17 lines, not the 18 in the vblank region). 324 * In addition, we need vblank656 and vblank to be one whole 325 * line longer, to cover line 24 and 336, so the SAV/EAV RP 326 * codes get generated such that the encoder can actually 327 * extract line 23 & 335 (WSS). We'll lose 1 line in each field 328 * at the top of the screen. 329 * 330 * It appears the 5 half lines that happen after active 331 * video must be included in vactive (579 instead of 574), 332 * otherwise the colors get badly displayed in various regions 333 * of the screen. I guess the chroma comb filter gets confused 334 * without them (at least when a PVR-350 is the PAL source). 335 */ 336 vblank656 = 48; /* lines 1 - 24 & 313 - 336 */ 337 vblank = 38; /* lines 6 - 24 & 318 - 336 */ 338 vactive = 579; /* lines 24 - 313 & 337 - 626 */ 339 340 /* 341 * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is 342 * 864 pixels = 720 active + 144 blanking. ITU-R BT.601 343 * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after 344 * the end of active video to start a horizontal line, so that 345 * leaves 132 pixels of hblank to ignore. 346 */ 347 hblank = 132; 348 hactive = 720; 349 350 /* 351 * Burst gate delay (for 625 line systems) 352 * Hsync leading edge to color burst rise = 5.6 us 353 * Color burst width = 2.25 us 354 * Gate width = 4 pixel clocks 355 * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks 356 */ 357 burst = 93; 358 luma_lpf = 2; 359 if (std & V4L2_STD_PAL) { 360 uv_lpf = 1; 361 comb = 0x20; 362 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ 363 sc = 688700; 364 } else if (std == V4L2_STD_PAL_Nc) { 365 uv_lpf = 1; 366 comb = 0x20; 367 /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */ 368 sc = 556422; 369 } else { /* SECAM */ 370 uv_lpf = 0; 371 comb = 0; 372 /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */ 373 /* sc = 4328130 * src_decimation/28636360 * 2^13 */ 374 sc = 672314; 375 } 376 } else { 377 /* 378 * The following relationships of half line counts should hold: 379 * 525 = prevsync + vblank656 + vactive 380 * 12 = vblank656 - vblank = vsync pulses + equalization pulses 381 * 382 * prevsync: 6 half-lines before the vsync pulses 383 * vblank656: half lines, after line 3/mid-266, of blanked video 384 * vblank: half lines, after line 9/272, of blanked video 385 * vactive: half lines of active video 386 * 387 * As far as I can tell: 388 * vblank656 starts counting from the falling edge of the first 389 * vsync pulse (start of line 4 or mid-266) 390 * vblank starts counting from the after the 6 vsync pulses and 391 * 6 or 5 equalization pulses (start of line 10 or 272) 392 * 393 * For 525 line systems the driver will extract VBI information 394 * from lines 10-21 and lines 273-284. 395 */ 396 vblank656 = 38; /* lines 4 - 22 & 266 - 284 */ 397 vblank = 26; /* lines 10 - 22 & 272 - 284 */ 398 vactive = 481; /* lines 23 - 263 & 285 - 525 */ 399 400 /* 401 * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is 402 * 858 pixels = 720 active + 138 blanking. The Hsync leading 403 * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the 404 * end of active video, leaving 122 pixels of hblank to ignore 405 * before active video starts. 406 */ 407 hactive = 720; 408 hblank = 122; 409 luma_lpf = 1; 410 uv_lpf = 1; 411 412 /* 413 * Burst gate delay (for 525 line systems) 414 * Hsync leading edge to color burst rise = 5.3 us 415 * Color burst width = 2.5 us 416 * Gate width = 4 pixel clocks 417 * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks 418 */ 419 if (std == V4L2_STD_PAL_60) { 420 burst = 90; 421 luma_lpf = 2; 422 comb = 0x20; 423 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ 424 sc = 688700; 425 } else if (std == V4L2_STD_PAL_M) { 426 /* The 97 needs to be verified against PAL-M timings */ 427 burst = 97; 428 comb = 0x20; 429 /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */ 430 sc = 555421; 431 } else { 432 burst = 90; 433 comb = 0x66; 434 /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */ 435 sc = 556032; 436 } 437 } 438 439 /* DEBUG: Displays configured PLL frequency */ 440 pll_int = cx18_av_read(cx, 0x108); 441 pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; 442 pll_post = cx18_av_read(cx, 0x109); 443 CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n", 444 pll_int, pll_frac, pll_post); 445 446 if (pll_post) { 447 int fsc, pll; 448 u64 tmp; 449 450 pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25; 451 pll /= pll_post; 452 CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n", 453 pll / 1000000, pll % 1000000); 454 CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n", 455 pll / 8000000, (pll / 8) % 1000000); 456 457 CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio = %d.%03d\n", 458 src_decimation / 256, 459 ((src_decimation % 256) * 1000) / 256); 460 461 tmp = 28636360 * (u64) sc; 462 do_div(tmp, src_decimation); 463 fsc = tmp >> 13; 464 CX18_DEBUG_INFO_DEV(sd, 465 "Chroma sub-carrier initial freq = %d.%06d MHz\n", 466 fsc / 1000000, fsc % 1000000); 467 468 CX18_DEBUG_INFO_DEV(sd, 469 "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", 470 hblank, hactive, vblank, vactive, vblank656, 471 src_decimation, burst, luma_lpf, uv_lpf, 472 comb, sc); 473 } 474 475 /* Sets horizontal blanking delay and active lines */ 476 cx18_av_write(cx, 0x470, hblank); 477 cx18_av_write(cx, 0x471, 478 (((hblank >> 8) & 0x3) | (hactive << 4)) & 0xff); 479 cx18_av_write(cx, 0x472, hactive >> 4); 480 481 /* Sets burst gate delay */ 482 cx18_av_write(cx, 0x473, burst); 483 484 /* Sets vertical blanking delay and active duration */ 485 cx18_av_write(cx, 0x474, vblank); 486 cx18_av_write(cx, 0x475, 487 (((vblank >> 8) & 0x3) | (vactive << 4)) & 0xff); 488 cx18_av_write(cx, 0x476, vactive >> 4); 489 cx18_av_write(cx, 0x477, vblank656); 490 491 /* Sets src decimation rate */ 492 cx18_av_write(cx, 0x478, src_decimation & 0xff); 493 cx18_av_write(cx, 0x479, (src_decimation >> 8) & 0xff); 494 495 /* Sets Luma and UV Low pass filters */ 496 cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); 497 498 /* Enables comb filters */ 499 cx18_av_write(cx, 0x47b, comb); 500 501 /* Sets SC Step*/ 502 cx18_av_write(cx, 0x47c, sc); 503 cx18_av_write(cx, 0x47d, (sc >> 8) & 0xff); 504 cx18_av_write(cx, 0x47e, (sc >> 16) & 0xff); 505 506 if (std & V4L2_STD_625_50) { 507 state->slicer_line_delay = 1; 508 state->slicer_line_offset = (6 + state->slicer_line_delay - 2); 509 } else { 510 state->slicer_line_delay = 0; 511 state->slicer_line_offset = (10 + state->slicer_line_delay - 2); 512 } 513 cx18_av_write(cx, 0x47f, state->slicer_line_delay); 514} 515 516static void input_change(struct cx18 *cx) 517{ 518 struct cx18_av_state *state = &cx->av_state; 519 v4l2_std_id std = state->std; 520 u8 v; 521 522 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */ 523 cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); 524 cx18_av_and_or(cx, 0x401, ~0x60, 0); 525 cx18_av_and_or(cx, 0x401, ~0x60, 0x60); 526 527 if (std & V4L2_STD_525_60) { 528 if (std == V4L2_STD_NTSC_M_JP) { 529 /* Japan uses EIAJ audio standard */ 530 cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff); 531 cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f); 532 } else if (std == V4L2_STD_NTSC_M_KR) { 533 /* South Korea uses A2 audio standard */ 534 cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff); 535 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 536 } else { 537 /* Others use the BTSC audio standard */ 538 cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff); 539 cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f); 540 } 541 } else if (std & V4L2_STD_PAL) { 542 /* Follow tuner change procedure for PAL */ 543 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); 544 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 545 } else if (std & V4L2_STD_SECAM) { 546 /* Select autodetect for SECAM */ 547 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); 548 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 549 } 550 551 v = cx18_av_read(cx, 0x803); 552 if (v & 0x10) { 553 /* restart audio decoder microcontroller */ 554 v &= ~0x10; 555 cx18_av_write_expect(cx, 0x803, v, v, 0x1f); 556 v |= 0x10; 557 cx18_av_write_expect(cx, 0x803, v, v, 0x1f); 558 } 559} 560 561static int cx18_av_s_frequency(struct v4l2_subdev *sd, 562 const struct v4l2_frequency *freq) 563{ 564 struct cx18 *cx = v4l2_get_subdevdata(sd); 565 input_change(cx); 566 return 0; 567} 568 569static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, 570 enum cx18_av_audio_input aud_input) 571{ 572 struct cx18_av_state *state = &cx->av_state; 573 struct v4l2_subdev *sd = &state->sd; 574 575 enum analog_signal_type { 576 NONE, CVBS, Y, C, SIF, Pb, Pr 577 } ch[3] = {NONE, NONE, NONE}; 578 579 u8 afe_mux_cfg; 580 u8 adc2_cfg; 581 u8 input_mode; 582 u32 afe_cfg; 583 int i; 584 585 CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n", 586 vid_input, aud_input); 587 588 if (vid_input >= CX18_AV_COMPOSITE1 && 589 vid_input <= CX18_AV_COMPOSITE8) { 590 afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); 591 ch[0] = CVBS; 592 input_mode = 0x0; 593 } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) { 594 int luma = vid_input & 0xf000; 595 int r_chroma = vid_input & 0xf0000; 596 int b_chroma = vid_input & 0xf00000; 597 598 if ((vid_input & ~0xfff000) || 599 luma < CX18_AV_COMPONENT_LUMA1 || 600 luma > CX18_AV_COMPONENT_LUMA8 || 601 r_chroma < CX18_AV_COMPONENT_R_CHROMA4 || 602 r_chroma > CX18_AV_COMPONENT_R_CHROMA6 || 603 b_chroma < CX18_AV_COMPONENT_B_CHROMA7 || 604 b_chroma > CX18_AV_COMPONENT_B_CHROMA8) { 605 CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", 606 vid_input); 607 return -EINVAL; 608 } 609 afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12; 610 ch[0] = Y; 611 afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12; 612 ch[1] = Pr; 613 afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14; 614 ch[2] = Pb; 615 input_mode = 0x6; 616 } else { 617 int luma = vid_input & 0xf0; 618 int chroma = vid_input & 0xf00; 619 620 if ((vid_input & ~0xff0) || 621 luma < CX18_AV_SVIDEO_LUMA1 || 622 luma > CX18_AV_SVIDEO_LUMA8 || 623 chroma < CX18_AV_SVIDEO_CHROMA4 || 624 chroma > CX18_AV_SVIDEO_CHROMA8) { 625 CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", 626 vid_input); 627 return -EINVAL; 628 } 629 afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); 630 ch[0] = Y; 631 if (chroma >= CX18_AV_SVIDEO_CHROMA7) { 632 afe_mux_cfg &= 0x3f; 633 afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; 634 ch[2] = C; 635 } else { 636 afe_mux_cfg &= 0xcf; 637 afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; 638 ch[1] = C; 639 } 640 input_mode = 0x2; 641 } 642 643 switch (aud_input) { 644 case CX18_AV_AUDIO_SERIAL1: 645 case CX18_AV_AUDIO_SERIAL2: 646 /* do nothing, use serial audio input */ 647 break; 648 case CX18_AV_AUDIO4: 649 afe_mux_cfg &= ~0x30; 650 ch[1] = SIF; 651 break; 652 case CX18_AV_AUDIO5: 653 afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10; 654 ch[1] = SIF; 655 break; 656 case CX18_AV_AUDIO6: 657 afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20; 658 ch[1] = SIF; 659 break; 660 case CX18_AV_AUDIO7: 661 afe_mux_cfg &= ~0xc0; 662 ch[2] = SIF; 663 break; 664 case CX18_AV_AUDIO8: 665 afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40; 666 ch[2] = SIF; 667 break; 668 669 default: 670 CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n", 671 aud_input); 672 return -EINVAL; 673 } 674 675 /* Set up analog front end multiplexers */ 676 cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7); 677 /* Set INPUT_MODE to Composite, S-Video, or Component */ 678 cx18_av_and_or(cx, 0x401, ~0x6, input_mode); 679 680 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ 681 adc2_cfg = cx18_av_read(cx, 0x102); 682 if (ch[2] == NONE) 683 adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */ 684 else 685 adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */ 686 687 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ 688 if (ch[1] != NONE && ch[2] != NONE) 689 adc2_cfg |= 0x4; /* Set dual mode */ 690 else 691 adc2_cfg &= ~0x4; /* Clear dual mode */ 692 cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17); 693 694 /* Configure the analog front end */ 695 afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL); 696 afe_cfg &= 0xff000000; 697 afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */ 698 if (ch[1] != NONE && ch[2] != NONE) 699 afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */ 700 701 for (i = 0; i < 3; i++) { 702 switch (ch[i]) { 703 default: 704 case NONE: 705 /* CLAMP_SEL = Fixed to midcode clamp level */ 706 afe_cfg |= (0x00000200 << i); 707 break; 708 case CVBS: 709 case Y: 710 if (i > 0) 711 afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */ 712 break; 713 case C: 714 case Pb: 715 case Pr: 716 /* CLAMP_SEL = Fixed to midcode clamp level */ 717 afe_cfg |= (0x00000200 << i); 718 if (i == 0 && ch[i] == C) 719 afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */ 720 break; 721 case SIF: 722 /* 723 * VGA_GAIN_SEL = Audio Decoder 724 * CLAMP_SEL = Fixed to midcode clamp level 725 */ 726 afe_cfg |= (0x00000240 << i); 727 if (i == 0) 728 afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */ 729 break; 730 } 731 } 732 733 cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg); 734 735 state->vid_input = vid_input; 736 state->aud_input = aud_input; 737 cx18_av_audio_set_path(cx); 738 input_change(cx); 739 return 0; 740} 741 742static int cx18_av_s_video_routing(struct v4l2_subdev *sd, 743 u32 input, u32 output, u32 config) 744{ 745 struct cx18_av_state *state = to_cx18_av_state(sd); 746 struct cx18 *cx = v4l2_get_subdevdata(sd); 747 return set_input(cx, input, state->aud_input); 748} 749 750static int cx18_av_s_audio_routing(struct v4l2_subdev *sd, 751 u32 input, u32 output, u32 config) 752{ 753 struct cx18_av_state *state = to_cx18_av_state(sd); 754 struct cx18 *cx = v4l2_get_subdevdata(sd); 755 return set_input(cx, state->vid_input, input); 756} 757 758static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 759{ 760 struct cx18_av_state *state = to_cx18_av_state(sd); 761 struct cx18 *cx = v4l2_get_subdevdata(sd); 762 u8 vpres; 763 u8 mode; 764 int val = 0; 765 766 if (state->radio) 767 return 0; 768 769 vpres = cx18_av_read(cx, 0x40e) & 0x20; 770 vt->signal = vpres ? 0xffff : 0x0; 771 772 vt->capability |= 773 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | 774 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; 775 776 mode = cx18_av_read(cx, 0x804); 777 778 /* get rxsubchans and audmode */ 779 if ((mode & 0xf) == 1) 780 val |= V4L2_TUNER_SUB_STEREO; 781 else 782 val |= V4L2_TUNER_SUB_MONO; 783 784 if (mode == 2 || mode == 4) 785 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; 786 787 if (mode & 0x10) 788 val |= V4L2_TUNER_SUB_SAP; 789 790 vt->rxsubchans = val; 791 vt->audmode = state->audmode; 792 return 0; 793} 794 795static int cx18_av_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt) 796{ 797 struct cx18_av_state *state = to_cx18_av_state(sd); 798 struct cx18 *cx = v4l2_get_subdevdata(sd); 799 u8 v; 800 801 if (state->radio) 802 return 0; 803 804 v = cx18_av_read(cx, 0x809); 805 v &= ~0xf; 806 807 switch (vt->audmode) { 808 case V4L2_TUNER_MODE_MONO: 809 /* mono -> mono 810 stereo -> mono 811 bilingual -> lang1 */ 812 break; 813 case V4L2_TUNER_MODE_STEREO: 814 case V4L2_TUNER_MODE_LANG1: 815 /* mono -> mono 816 stereo -> stereo 817 bilingual -> lang1 */ 818 v |= 0x4; 819 break; 820 case V4L2_TUNER_MODE_LANG1_LANG2: 821 /* mono -> mono 822 stereo -> stereo 823 bilingual -> lang1/lang2 */ 824 v |= 0x7; 825 break; 826 case V4L2_TUNER_MODE_LANG2: 827 /* mono -> mono 828 stereo -> stereo 829 bilingual -> lang2 */ 830 v |= 0x1; 831 break; 832 default: 833 return -EINVAL; 834 } 835 cx18_av_write_expect(cx, 0x809, v, v, 0xff); 836 state->audmode = vt->audmode; 837 return 0; 838} 839 840static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) 841{ 842 struct cx18_av_state *state = to_cx18_av_state(sd); 843 struct cx18 *cx = v4l2_get_subdevdata(sd); 844 845 u8 fmt = 0; /* zero is autodetect */ 846 u8 pal_m = 0; 847 848 if (state->radio == 0 && state->std == norm) 849 return 0; 850 851 state->radio = 0; 852 state->std = norm; 853 854 /* First tests should be against specific std */ 855 if (state->std == V4L2_STD_NTSC_M_JP) { 856 fmt = 0x2; 857 } else if (state->std == V4L2_STD_NTSC_443) { 858 fmt = 0x3; 859 } else if (state->std == V4L2_STD_PAL_M) { 860 pal_m = 1; 861 fmt = 0x5; 862 } else if (state->std == V4L2_STD_PAL_N) { 863 fmt = 0x6; 864 } else if (state->std == V4L2_STD_PAL_Nc) { 865 fmt = 0x7; 866 } else if (state->std == V4L2_STD_PAL_60) { 867 fmt = 0x8; 868 } else { 869 /* Then, test against generic ones */ 870 if (state->std & V4L2_STD_NTSC) 871 fmt = 0x1; 872 else if (state->std & V4L2_STD_PAL) 873 fmt = 0x4; 874 else if (state->std & V4L2_STD_SECAM) 875 fmt = 0xc; 876 } 877 878 CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt); 879 880 /* Follow step 9 of section 3.16 in the cx18_av datasheet. 881 Without this PAL may display a vertical ghosting effect. 882 This happens for example with the Yuan MPC622. */ 883 if (fmt >= 4 && fmt < 8) { 884 /* Set format to NTSC-M */ 885 cx18_av_and_or(cx, 0x400, ~0xf, 1); 886 /* Turn off LCOMB */ 887 cx18_av_and_or(cx, 0x47b, ~6, 0); 888 } 889 cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20); 890 cx18_av_and_or(cx, 0x403, ~0x3, pal_m); 891 cx18_av_std_setup(cx); 892 input_change(cx); 893 return 0; 894} 895 896static int cx18_av_s_radio(struct v4l2_subdev *sd) 897{ 898 struct cx18_av_state *state = to_cx18_av_state(sd); 899 state->radio = 1; 900 return 0; 901} 902 903static int cx18_av_s_ctrl(struct v4l2_ctrl *ctrl) 904{ 905 struct v4l2_subdev *sd = to_sd(ctrl); 906 struct cx18 *cx = v4l2_get_subdevdata(sd); 907 908 switch (ctrl->id) { 909 case V4L2_CID_BRIGHTNESS: 910 cx18_av_write(cx, 0x414, ctrl->val - 128); 911 break; 912 913 case V4L2_CID_CONTRAST: 914 cx18_av_write(cx, 0x415, ctrl->val << 1); 915 break; 916 917 case V4L2_CID_SATURATION: 918 cx18_av_write(cx, 0x420, ctrl->val << 1); 919 cx18_av_write(cx, 0x421, ctrl->val << 1); 920 break; 921 922 case V4L2_CID_HUE: 923 cx18_av_write(cx, 0x422, ctrl->val); 924 break; 925 926 default: 927 return -EINVAL; 928 } 929 return 0; 930} 931 932static int cx18_av_set_fmt(struct v4l2_subdev *sd, 933 struct v4l2_subdev_state *sd_state, 934 struct v4l2_subdev_format *format) 935{ 936 struct v4l2_mbus_framefmt *fmt = &format->format; 937 struct cx18_av_state *state = to_cx18_av_state(sd); 938 struct cx18 *cx = v4l2_get_subdevdata(sd); 939 int HSC, VSC, Vsrc, Hsrc, filter, Vlines; 940 int is_50Hz = !(state->std & V4L2_STD_525_60); 941 942 if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED) 943 return -EINVAL; 944 945 fmt->field = V4L2_FIELD_INTERLACED; 946 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; 947 948 Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4; 949 Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4; 950 951 Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; 952 Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; 953 954 /* 955 * This adjustment reflects the excess of vactive, set in 956 * cx18_av_std_setup(), above standard values: 957 * 958 * 480 + 1 for 60 Hz systems 959 * 576 + 3 for 50 Hz systems 960 */ 961 Vlines = fmt->height + (is_50Hz ? 3 : 1); 962 963 /* 964 * Invalid height and width scaling requests are: 965 * 1. width less than 1/16 of the source width 966 * 2. width greater than the source width 967 * 3. height less than 1/8 of the source height 968 * 4. height greater than the source height 969 */ 970 if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) || 971 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { 972 CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n", 973 fmt->width, fmt->height); 974 return -ERANGE; 975 } 976 977 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 978 return 0; 979 980 HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20); 981 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); 982 VSC &= 0x1fff; 983 984 if (fmt->width >= 385) 985 filter = 0; 986 else if (fmt->width > 192) 987 filter = 1; 988 else if (fmt->width > 96) 989 filter = 2; 990 else 991 filter = 3; 992 993 CX18_DEBUG_INFO_DEV(sd, 994 "decoder set size %dx%d -> scale %ux%u\n", 995 fmt->width, fmt->height, HSC, VSC); 996 997 /* HSCALE=HSC */ 998 cx18_av_write(cx, 0x418, HSC & 0xff); 999 cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff); 1000 cx18_av_write(cx, 0x41a, HSC >> 16); 1001 /* VSCALE=VSC */ 1002 cx18_av_write(cx, 0x41c, VSC & 0xff); 1003 cx18_av_write(cx, 0x41d, VSC >> 8); 1004 /* VS_INTRLACE=1 VFILT=filter */ 1005 cx18_av_write(cx, 0x41e, 0x8 | filter); 1006 return 0; 1007} 1008 1009static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable) 1010{ 1011 struct cx18 *cx = v4l2_get_subdevdata(sd); 1012 1013 CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable"); 1014 if (enable) { 1015 cx18_av_write(cx, 0x115, 0x8c); 1016 cx18_av_write(cx, 0x116, 0x07); 1017 } else { 1018 cx18_av_write(cx, 0x115, 0x00); 1019 cx18_av_write(cx, 0x116, 0x00); 1020 } 1021 return 0; 1022} 1023 1024static void log_video_status(struct cx18 *cx) 1025{ 1026 static const char *const fmt_strs[] = { 1027 "0x0", 1028 "NTSC-M", "NTSC-J", "NTSC-4.43", 1029 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", 1030 "0x9", "0xA", "0xB", 1031 "SECAM", 1032 "0xD", "0xE", "0xF" 1033 }; 1034 1035 struct cx18_av_state *state = &cx->av_state; 1036 struct v4l2_subdev *sd = &state->sd; 1037 u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf; 1038 u8 gen_stat1 = cx18_av_read(cx, 0x40d); 1039 u8 gen_stat2 = cx18_av_read(cx, 0x40e); 1040 int vid_input = state->vid_input; 1041 1042 CX18_INFO_DEV(sd, "Video signal: %spresent\n", 1043 (gen_stat2 & 0x20) ? "" : "not "); 1044 CX18_INFO_DEV(sd, "Detected format: %s\n", 1045 fmt_strs[gen_stat1 & 0xf]); 1046 1047 CX18_INFO_DEV(sd, "Specified standard: %s\n", 1048 vidfmt_sel ? fmt_strs[vidfmt_sel] 1049 : "automatic detection"); 1050 1051 if (vid_input >= CX18_AV_COMPOSITE1 && 1052 vid_input <= CX18_AV_COMPOSITE8) { 1053 CX18_INFO_DEV(sd, "Specified video input: Composite %d\n", 1054 vid_input - CX18_AV_COMPOSITE1 + 1); 1055 } else { 1056 CX18_INFO_DEV(sd, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n", 1057 (vid_input & 0xf0) >> 4, 1058 (vid_input & 0xf00) >> 8); 1059 } 1060 1061 CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n", 1062 state->audclk_freq); 1063} 1064 1065static void log_audio_status(struct cx18 *cx) 1066{ 1067 struct cx18_av_state *state = &cx->av_state; 1068 struct v4l2_subdev *sd = &state->sd; 1069 u8 download_ctl = cx18_av_read(cx, 0x803); 1070 u8 mod_det_stat0 = cx18_av_read(cx, 0x804); 1071 u8 mod_det_stat1 = cx18_av_read(cx, 0x805); 1072 u8 audio_config = cx18_av_read(cx, 0x808); 1073 u8 pref_mode = cx18_av_read(cx, 0x809); 1074 u8 afc0 = cx18_av_read(cx, 0x80b); 1075 u8 mute_ctl = cx18_av_read(cx, 0x8d3); 1076 int aud_input = state->aud_input; 1077 char *p; 1078 1079 switch (mod_det_stat0) { 1080 case 0x00: p = "mono"; break; 1081 case 0x01: p = "stereo"; break; 1082 case 0x02: p = "dual"; break; 1083 case 0x04: p = "tri"; break; 1084 case 0x10: p = "mono with SAP"; break; 1085 case 0x11: p = "stereo with SAP"; break; 1086 case 0x12: p = "dual with SAP"; break; 1087 case 0x14: p = "tri with SAP"; break; 1088 case 0xfe: p = "forced mode"; break; 1089 default: p = "not defined"; break; 1090 } 1091 CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p); 1092 1093 switch (mod_det_stat1) { 1094 case 0x00: p = "not defined"; break; 1095 case 0x01: p = "EIAJ"; break; 1096 case 0x02: p = "A2-M"; break; 1097 case 0x03: p = "A2-BG"; break; 1098 case 0x04: p = "A2-DK1"; break; 1099 case 0x05: p = "A2-DK2"; break; 1100 case 0x06: p = "A2-DK3"; break; 1101 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; 1102 case 0x08: p = "AM-L"; break; 1103 case 0x09: p = "NICAM-BG"; break; 1104 case 0x0a: p = "NICAM-DK"; break; 1105 case 0x0b: p = "NICAM-I"; break; 1106 case 0x0c: p = "NICAM-L"; break; 1107 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; 1108 case 0x0e: p = "IF FM Radio"; break; 1109 case 0x0f: p = "BTSC"; break; 1110 case 0x10: p = "detected chrominance"; break; 1111 case 0xfd: p = "unknown audio standard"; break; 1112 case 0xfe: p = "forced audio standard"; break; 1113 case 0xff: p = "no detected audio standard"; break; 1114 default: p = "not defined"; break; 1115 } 1116 CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p); 1117 CX18_INFO_DEV(sd, "Audio muted: %s\n", 1118 (mute_ctl & 0x2) ? "yes" : "no"); 1119 CX18_INFO_DEV(sd, "Audio microcontroller: %s\n", 1120 (download_ctl & 0x10) ? "running" : "stopped"); 1121 1122 switch (audio_config >> 4) { 1123 case 0x00: p = "undefined"; break; 1124 case 0x01: p = "BTSC"; break; 1125 case 0x02: p = "EIAJ"; break; 1126 case 0x03: p = "A2-M"; break; 1127 case 0x04: p = "A2-BG"; break; 1128 case 0x05: p = "A2-DK1"; break; 1129 case 0x06: p = "A2-DK2"; break; 1130 case 0x07: p = "A2-DK3"; break; 1131 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; 1132 case 0x09: p = "AM-L"; break; 1133 case 0x0a: p = "NICAM-BG"; break; 1134 case 0x0b: p = "NICAM-DK"; break; 1135 case 0x0c: p = "NICAM-I"; break; 1136 case 0x0d: p = "NICAM-L"; break; 1137 case 0x0e: p = "FM radio"; break; 1138 case 0x0f: p = "automatic detection"; break; 1139 default: p = "undefined"; break; 1140 } 1141 CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p); 1142 1143 if ((audio_config >> 4) < 0xF) { 1144 switch (audio_config & 0xF) { 1145 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; 1146 case 0x01: p = "MONO2 (LANGUAGE B)"; break; 1147 case 0x02: p = "MONO3 (STEREO forced MONO)"; break; 1148 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; 1149 case 0x04: p = "STEREO"; break; 1150 case 0x05: p = "DUAL1 (AC)"; break; 1151 case 0x06: p = "DUAL2 (BC)"; break; 1152 case 0x07: p = "DUAL3 (AB)"; break; 1153 default: p = "undefined"; 1154 } 1155 CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p); 1156 } else { 1157 switch (audio_config & 0xF) { 1158 case 0x00: p = "BG"; break; 1159 case 0x01: p = "DK1"; break; 1160 case 0x02: p = "DK2"; break; 1161 case 0x03: p = "DK3"; break; 1162 case 0x04: p = "I"; break; 1163 case 0x05: p = "L"; break; 1164 case 0x06: p = "BTSC"; break; 1165 case 0x07: p = "EIAJ"; break; 1166 case 0x08: p = "A2-M"; break; 1167 case 0x09: p = "FM Radio (4.5 MHz)"; break; 1168 case 0x0a: p = "FM Radio (5.5 MHz)"; break; 1169 case 0x0b: p = "S-Video"; break; 1170 case 0x0f: p = "automatic standard and mode detection"; break; 1171 default: p = "undefined"; break; 1172 } 1173 CX18_INFO_DEV(sd, "Configured audio system: %s\n", p); 1174 } 1175 1176 if (aud_input) 1177 CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n", 1178 aud_input); 1179 else 1180 CX18_INFO_DEV(sd, "Specified audio input: External\n"); 1181 1182 switch (pref_mode & 0xf) { 1183 case 0: p = "mono/language A"; break; 1184 case 1: p = "language B"; break; 1185 case 2: p = "language C"; break; 1186 case 3: p = "analog fallback"; break; 1187 case 4: p = "stereo"; break; 1188 case 5: p = "language AC"; break; 1189 case 6: p = "language BC"; break; 1190 case 7: p = "language AB"; break; 1191 default: p = "undefined"; break; 1192 } 1193 CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p); 1194 1195 if ((audio_config & 0xf) == 0xf) { 1196 switch ((afc0 >> 3) & 0x1) { 1197 case 0: p = "system DK"; break; 1198 case 1: p = "system L"; break; 1199 } 1200 CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p); 1201 1202 switch (afc0 & 0x7) { 1203 case 0: p = "Chroma"; break; 1204 case 1: p = "BTSC"; break; 1205 case 2: p = "EIAJ"; break; 1206 case 3: p = "A2-M"; break; 1207 case 4: p = "autodetect"; break; 1208 default: p = "undefined"; break; 1209 } 1210 CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p); 1211 } 1212} 1213 1214static int cx18_av_log_status(struct v4l2_subdev *sd) 1215{ 1216 struct cx18 *cx = v4l2_get_subdevdata(sd); 1217 log_video_status(cx); 1218 log_audio_status(cx); 1219 return 0; 1220} 1221 1222#ifdef CONFIG_VIDEO_ADV_DEBUG 1223static int cx18_av_g_register(struct v4l2_subdev *sd, 1224 struct v4l2_dbg_register *reg) 1225{ 1226 struct cx18 *cx = v4l2_get_subdevdata(sd); 1227 1228 if ((reg->reg & 0x3) != 0) 1229 return -EINVAL; 1230 reg->size = 4; 1231 reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc); 1232 return 0; 1233} 1234 1235static int cx18_av_s_register(struct v4l2_subdev *sd, 1236 const struct v4l2_dbg_register *reg) 1237{ 1238 struct cx18 *cx = v4l2_get_subdevdata(sd); 1239 1240 if ((reg->reg & 0x3) != 0) 1241 return -EINVAL; 1242 cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val); 1243 return 0; 1244} 1245#endif 1246 1247static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = { 1248 .s_ctrl = cx18_av_s_ctrl, 1249}; 1250 1251static const struct v4l2_subdev_core_ops cx18_av_general_ops = { 1252 .log_status = cx18_av_log_status, 1253 .load_fw = cx18_av_load_fw, 1254 .reset = cx18_av_reset, 1255#ifdef CONFIG_VIDEO_ADV_DEBUG 1256 .g_register = cx18_av_g_register, 1257 .s_register = cx18_av_s_register, 1258#endif 1259}; 1260 1261static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = { 1262 .s_radio = cx18_av_s_radio, 1263 .s_frequency = cx18_av_s_frequency, 1264 .g_tuner = cx18_av_g_tuner, 1265 .s_tuner = cx18_av_s_tuner, 1266}; 1267 1268static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = { 1269 .s_clock_freq = cx18_av_s_clock_freq, 1270 .s_routing = cx18_av_s_audio_routing, 1271}; 1272 1273static const struct v4l2_subdev_video_ops cx18_av_video_ops = { 1274 .s_std = cx18_av_s_std, 1275 .s_routing = cx18_av_s_video_routing, 1276 .s_stream = cx18_av_s_stream, 1277}; 1278 1279static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = { 1280 .decode_vbi_line = cx18_av_decode_vbi_line, 1281 .g_sliced_fmt = cx18_av_g_sliced_fmt, 1282 .s_sliced_fmt = cx18_av_s_sliced_fmt, 1283 .s_raw_fmt = cx18_av_s_raw_fmt, 1284}; 1285 1286static const struct v4l2_subdev_pad_ops cx18_av_pad_ops = { 1287 .set_fmt = cx18_av_set_fmt, 1288}; 1289 1290static const struct v4l2_subdev_ops cx18_av_ops = { 1291 .core = &cx18_av_general_ops, 1292 .tuner = &cx18_av_tuner_ops, 1293 .audio = &cx18_av_audio_ops, 1294 .video = &cx18_av_video_ops, 1295 .vbi = &cx18_av_vbi_ops, 1296 .pad = &cx18_av_pad_ops, 1297}; 1298 1299int cx18_av_probe(struct cx18 *cx) 1300{ 1301 struct cx18_av_state *state = &cx->av_state; 1302 struct v4l2_subdev *sd; 1303 int err; 1304 1305 state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff; 1306 1307 state->vid_input = CX18_AV_COMPOSITE7; 1308 state->aud_input = CX18_AV_AUDIO8; 1309 state->audclk_freq = 48000; 1310 state->audmode = V4L2_TUNER_MODE_LANG1; 1311 state->slicer_line_delay = 0; 1312 state->slicer_line_offset = (10 + state->slicer_line_delay - 2); 1313 1314 sd = &state->sd; 1315 v4l2_subdev_init(sd, &cx18_av_ops); 1316 v4l2_set_subdevdata(sd, cx); 1317 snprintf(sd->name, sizeof(sd->name), 1318 "%s %03x", cx->v4l2_dev.name, (state->rev >> 4)); 1319 sd->grp_id = CX18_HW_418_AV; 1320 v4l2_ctrl_handler_init(&state->hdl, 9); 1321 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1322 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1323 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1324 V4L2_CID_CONTRAST, 0, 127, 1, 64); 1325 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1326 V4L2_CID_SATURATION, 0, 127, 1, 64); 1327 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1328 V4L2_CID_HUE, -128, 127, 1, 0); 1329 1330 state->volume = v4l2_ctrl_new_std(&state->hdl, 1331 &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 1332 0, 65535, 65535 / 100, 0); 1333 v4l2_ctrl_new_std(&state->hdl, 1334 &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, 1335 0, 1, 1, 0); 1336 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1337 V4L2_CID_AUDIO_BALANCE, 1338 0, 65535, 65535 / 100, 32768); 1339 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1340 V4L2_CID_AUDIO_BASS, 1341 0, 65535, 65535 / 100, 32768); 1342 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1343 V4L2_CID_AUDIO_TREBLE, 1344 0, 65535, 65535 / 100, 32768); 1345 sd->ctrl_handler = &state->hdl; 1346 if (state->hdl.error) { 1347 int err = state->hdl.error; 1348 1349 v4l2_ctrl_handler_free(&state->hdl); 1350 return err; 1351 } 1352 err = v4l2_device_register_subdev(&cx->v4l2_dev, sd); 1353 if (err) 1354 v4l2_ctrl_handler_free(&state->hdl); 1355 else 1356 cx18_av_init(cx); 1357 return err; 1358}
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