1 /* 2 * cx18 ADEC audio functions 3 * 4 * Derived from cx25840-core.c 5 * 6 * Copyright (C) 2007 Hans Verkuil <hverkuil@xs4all.nl> 7 * Copyright (C) 2008 Andy Walls <awalls@md.metrocast.net> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * as published by the Free Software Foundation; either version 2 12 * of the License, or (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 22 * 02110-1301, USA. 23 */ 24 25 #include "cx18-driver.h" 26 #include "cx18-io.h" 27 #include "cx18-cards.h" 28 29 int cx18_av_write(struct cx18 *cx, u16 addr, u8 value) 30 { 31 u32 reg = 0xc40000 + (addr & ~3); 32 u32 mask = 0xff; 33 int shift = (addr & 3) * 8; 34 u32 x = cx18_read_reg(cx, reg); 35 36 x = (x & ~(mask << shift)) | ((u32)value << shift); 37 cx18_write_reg(cx, x, reg); 38 return 0; 39 } 40 41 int cx18_av_write_expect(struct cx18 *cx, u16 addr, u8 value, u8 eval, u8 mask) 42 { 43 u32 reg = 0xc40000 + (addr & ~3); 44 int shift = (addr & 3) * 8; 45 u32 x = cx18_read_reg(cx, reg); 46 47 x = (x & ~((u32)0xff << shift)) | ((u32)value << shift); 48 cx18_write_reg_expect(cx, x, reg, 49 ((u32)eval << shift), ((u32)mask << shift)); 50 return 0; 51 } 52 53 int cx18_av_write4(struct cx18 *cx, u16 addr, u32 value) 54 { 55 cx18_write_reg(cx, value, 0xc40000 + addr); 56 return 0; 57 } 58 59 int 60 cx18_av_write4_expect(struct cx18 *cx, u16 addr, u32 value, u32 eval, u32 mask) 61 { 62 cx18_write_reg_expect(cx, value, 0xc40000 + addr, eval, mask); 63 return 0; 64 } 65 66 int cx18_av_write4_noretry(struct cx18 *cx, u16 addr, u32 value) 67 { 68 cx18_write_reg_noretry(cx, value, 0xc40000 + addr); 69 return 0; 70 } 71 72 u8 cx18_av_read(struct cx18 *cx, u16 addr) 73 { 74 u32 x = cx18_read_reg(cx, 0xc40000 + (addr & ~3)); 75 int shift = (addr & 3) * 8; 76 77 return (x >> shift) & 0xff; 78 } 79 80 u32 cx18_av_read4(struct cx18 *cx, u16 addr) 81 { 82 return cx18_read_reg(cx, 0xc40000 + addr); 83 } 84 85 int cx18_av_and_or(struct cx18 *cx, u16 addr, unsigned and_mask, 86 u8 or_value) 87 { 88 return cx18_av_write(cx, addr, 89 (cx18_av_read(cx, addr) & and_mask) | 90 or_value); 91 } 92 93 int cx18_av_and_or4(struct cx18 *cx, u16 addr, u32 and_mask, 94 u32 or_value) 95 { 96 return cx18_av_write4(cx, addr, 97 (cx18_av_read4(cx, addr) & and_mask) | 98 or_value); 99 } 100 101 static void cx18_av_init(struct cx18 *cx) 102 { 103 /* 104 * The crystal freq used in calculations in this driver will be 105 * 28.636360 MHz. 106 * Aim to run the PLLs' VCOs near 400 MHz to minimze errors. 107 */ 108 109 /* 110 * VDCLK Integer = 0x0f, Post Divider = 0x04 111 * AIMCLK Integer = 0x0e, Post Divider = 0x16 112 */ 113 cx18_av_write4(cx, CXADEC_PLL_CTRL1, 0x160e040f); 114 115 /* VDCLK Fraction = 0x2be2fe */ 116 /* xtal * 0xf.15f17f0/4 = 108 MHz: 432 MHz before post divide */ 117 cx18_av_write4(cx, CXADEC_VID_PLL_FRAC, 0x002be2fe); 118 119 /* AIMCLK Fraction = 0x05227ad */ 120 /* xtal * 0xe.2913d68/0x16 = 48000 * 384: 406 MHz pre post-div*/ 121 cx18_av_write4(cx, CXADEC_AUX_PLL_FRAC, 0x005227ad); 122 123 /* SA_MCLK_SEL=1, SA_MCLK_DIV=0x16 */ 124 cx18_av_write(cx, CXADEC_I2S_MCLK, 0x56); 125 } 126 127 static void cx18_av_initialize(struct v4l2_subdev *sd) 128 { 129 struct cx18_av_state *state = to_cx18_av_state(sd); 130 struct cx18 *cx = v4l2_get_subdevdata(sd); 131 int default_volume; 132 u32 v; 133 134 cx18_av_loadfw(cx); 135 /* Stop 8051 code execution */ 136 cx18_av_write4_expect(cx, CXADEC_DL_CTL, 0x03000000, 137 0x03000000, 0x13000000); 138 139 /* initallize the PLL by toggling sleep bit */ 140 v = cx18_av_read4(cx, CXADEC_HOST_REG1); 141 /* enable sleep mode - register appears to be read only... */ 142 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v | 1, v, 0xfffe); 143 /* disable sleep mode */ 144 cx18_av_write4_expect(cx, CXADEC_HOST_REG1, v & 0xfffe, 145 v & 0xfffe, 0xffff); 146 147 /* initialize DLLs */ 148 v = cx18_av_read4(cx, CXADEC_DLL1_DIAG_CTRL) & 0xE1FFFEFF; 149 /* disable FLD */ 150 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v); 151 /* enable FLD */ 152 cx18_av_write4(cx, CXADEC_DLL1_DIAG_CTRL, v | 0x10000100); 153 154 v = cx18_av_read4(cx, CXADEC_DLL2_DIAG_CTRL) & 0xE1FFFEFF; 155 /* disable FLD */ 156 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v); 157 /* enable FLD */ 158 cx18_av_write4(cx, CXADEC_DLL2_DIAG_CTRL, v | 0x06000100); 159 160 /* set analog bias currents. Set Vreg to 1.20V. */ 161 cx18_av_write4(cx, CXADEC_AFE_DIAG_CTRL1, 0x000A1802); 162 163 v = cx18_av_read4(cx, CXADEC_AFE_DIAG_CTRL3) | 1; 164 /* enable TUNE_FIL_RST */ 165 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, v, v, 0x03009F0F); 166 /* disable TUNE_FIL_RST */ 167 cx18_av_write4_expect(cx, CXADEC_AFE_DIAG_CTRL3, 168 v & 0xFFFFFFFE, v & 0xFFFFFFFE, 0x03009F0F); 169 170 /* enable 656 output */ 171 cx18_av_and_or4(cx, CXADEC_PIN_CTRL1, ~0, 0x040C00); 172 173 /* video output drive strength */ 174 cx18_av_and_or4(cx, CXADEC_PIN_CTRL2, ~0, 0x2); 175 176 /* reset video */ 177 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0x8000); 178 cx18_av_write4(cx, CXADEC_SOFT_RST_CTRL, 0); 179 180 /* 181 * Disable Video Auto-config of the Analog Front End and Video PLL. 182 * 183 * Since we only use BT.656 pixel mode, which works for both 525 and 625 184 * line systems, it's just easier for us to set registers 185 * 0x102 (CXADEC_CHIP_CTRL), 0x104-0x106 (CXADEC_AFE_CTRL), 186 * 0x108-0x109 (CXADEC_PLL_CTRL1), and 0x10c-0x10f (CXADEC_VID_PLL_FRAC) 187 * ourselves, than to run around cleaning up after the auto-config. 188 * 189 * (Note: my CX23418 chip doesn't seem to let the ACFG_DIS bit 190 * get set to 1, but OTOH, it doesn't seem to do AFE and VID PLL 191 * autoconfig either.) 192 * 193 * As a default, also turn off Dual mode for ADC2 and set ADC2 to CH3. 194 */ 195 cx18_av_and_or4(cx, CXADEC_CHIP_CTRL, 0xFFFBFFFF, 0x00120000); 196 197 /* Setup the Video and and Aux/Audio PLLs */ 198 cx18_av_init(cx); 199 200 /* set video to auto-detect */ 201 /* Clear bits 11-12 to enable slow locking mode. Set autodetect mode */ 202 /* set the comb notch = 1 */ 203 cx18_av_and_or4(cx, CXADEC_MODE_CTRL, 0xFFF7E7F0, 0x02040800); 204 205 /* Enable wtw_en in CRUSH_CTRL (Set bit 22) */ 206 /* Enable maj_sel in CRUSH_CTRL (Set bit 20) */ 207 cx18_av_and_or4(cx, CXADEC_CRUSH_CTRL, ~0, 0x00500000); 208 209 /* Set VGA_TRACK_RANGE to 0x20 */ 210 cx18_av_and_or4(cx, CXADEC_DFE_CTRL2, 0xFFFF00FF, 0x00002000); 211 212 /* 213 * Initial VBI setup 214 * VIP-1.1, 10 bit mode, enable Raw, disable sliced, 215 * don't clamp raw samples when codes are in use, 1 byte user D-words, 216 * IDID0 has line #, RP code V bit transition on VBLANK, data during 217 * blanking intervals 218 */ 219 cx18_av_write4(cx, CXADEC_OUT_CTRL1, 0x4013252e); 220 221 /* Set the video input. 222 The setting in MODE_CTRL gets lost when we do the above setup */ 223 /* EncSetSignalStd(dwDevNum, pEnc->dwSigStd); */ 224 /* EncSetVideoInput(dwDevNum, pEnc->VidIndSelection); */ 225 226 /* 227 * Analog Front End (AFE) 228 * Default to luma on ch1/ADC1, chroma on ch2/ADC2, SIF on ch3/ADC2 229 * bypass_ch[1-3] use filter 230 * droop_comp_ch[1-3] disable 231 * clamp_en_ch[1-3] disable 232 * aud_in_sel ADC2 233 * luma_in_sel ADC1 234 * chroma_in_sel ADC2 235 * clamp_sel_ch[2-3] midcode 236 * clamp_sel_ch1 video decoder 237 * vga_sel_ch3 audio decoder 238 * vga_sel_ch[1-2] video decoder 239 * half_bw_ch[1-3] disable 240 * +12db_ch[1-3] disable 241 */ 242 cx18_av_and_or4(cx, CXADEC_AFE_CTRL, 0xFF000000, 0x00005D00); 243 244 /* if(dwEnable && dw3DCombAvailable) { */ 245 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x7728021F); */ 246 /* } else { */ 247 /* CxDevWrReg(CXADEC_SRC_COMB_CFG, 0x6628021F); */ 248 /* } */ 249 cx18_av_write4(cx, CXADEC_SRC_COMB_CFG, 0x6628021F); 250 default_volume = cx18_av_read(cx, 0x8d4); 251 /* 252 * Enforce the legacy volume scale mapping limits to avoid 253 * -ERANGE errors when initializing the volume control 254 */ 255 if (default_volume > 228) { 256 /* Bottom out at -96 dB, v4l2 vol range 0x2e00-0x2fff */ 257 default_volume = 228; 258 cx18_av_write(cx, 0x8d4, 228); 259 } else if (default_volume < 20) { 260 /* Top out at + 8 dB, v4l2 vol range 0xfe00-0xffff */ 261 default_volume = 20; 262 cx18_av_write(cx, 0x8d4, 20); 263 } 264 default_volume = (((228 - default_volume) >> 1) + 23) << 9; 265 state->volume->cur.val = state->volume->default_value = default_volume; 266 v4l2_ctrl_handler_setup(&state->hdl); 267 } 268 269 static int cx18_av_reset(struct v4l2_subdev *sd, u32 val) 270 { 271 cx18_av_initialize(sd); 272 return 0; 273 } 274 275 static int cx18_av_load_fw(struct v4l2_subdev *sd) 276 { 277 struct cx18_av_state *state = to_cx18_av_state(sd); 278 279 if (!state->is_initialized) { 280 /* initialize on first use */ 281 state->is_initialized = 1; 282 cx18_av_initialize(sd); 283 } 284 return 0; 285 } 286 287 void cx18_av_std_setup(struct cx18 *cx) 288 { 289 struct cx18_av_state *state = &cx->av_state; 290 struct v4l2_subdev *sd = &state->sd; 291 v4l2_std_id std = state->std; 292 293 /* 294 * Video ADC crystal clock to pixel clock SRC decimation ratio 295 * 28.636360 MHz/13.5 Mpps * 256 = 0x21f.07b 296 */ 297 const int src_decimation = 0x21f; 298 299 int hblank, hactive, burst, vblank, vactive, sc; 300 int vblank656; 301 int luma_lpf, uv_lpf, comb; 302 u32 pll_int, pll_frac, pll_post; 303 304 /* datasheet startup, step 8d */ 305 if (std & ~V4L2_STD_NTSC) 306 cx18_av_write(cx, 0x49f, 0x11); 307 else 308 cx18_av_write(cx, 0x49f, 0x14); 309 310 /* 311 * Note: At the end of a field, there are 3 sets of half line duration 312 * (double horizontal rate) pulses: 313 * 314 * 5 (625) or 6 (525) half-lines to blank for the vertical retrace 315 * 5 (625) or 6 (525) vertical sync pulses of half line duration 316 * 5 (625) or 6 (525) half-lines of equalization pulses 317 */ 318 if (std & V4L2_STD_625_50) { 319 /* 320 * The following relationships of half line counts should hold: 321 * 625 = vblank656 + vactive 322 * 10 = vblank656 - vblank = vsync pulses + equalization pulses 323 * 324 * vblank656: half lines after line 625/mid-313 of blanked video 325 * vblank: half lines, after line 5/317, of blanked video 326 * vactive: half lines of active video + 327 * 5 half lines after the end of active video 328 * 329 * As far as I can tell: 330 * vblank656 starts counting from the falling edge of the first 331 * vsync pulse (start of line 1 or mid-313) 332 * vblank starts counting from the after the 5 vsync pulses and 333 * 5 or 4 equalization pulses (start of line 6 or 318) 334 * 335 * For 625 line systems the driver will extract VBI information 336 * from lines 6-23 and lines 318-335 (but the slicer can only 337 * handle 17 lines, not the 18 in the vblank region). 338 * In addition, we need vblank656 and vblank to be one whole 339 * line longer, to cover line 24 and 336, so the SAV/EAV RP 340 * codes get generated such that the encoder can actually 341 * extract line 23 & 335 (WSS). We'll lose 1 line in each field 342 * at the top of the screen. 343 * 344 * It appears the 5 half lines that happen after active 345 * video must be included in vactive (579 instead of 574), 346 * otherwise the colors get badly displayed in various regions 347 * of the screen. I guess the chroma comb filter gets confused 348 * without them (at least when a PVR-350 is the PAL source). 349 */ 350 vblank656 = 48; /* lines 1 - 24 & 313 - 336 */ 351 vblank = 38; /* lines 6 - 24 & 318 - 336 */ 352 vactive = 579; /* lines 24 - 313 & 337 - 626 */ 353 354 /* 355 * For a 13.5 Mpps clock and 15,625 Hz line rate, a line is 356 * is 864 pixels = 720 active + 144 blanking. ITU-R BT.601 357 * specifies 12 luma clock periods or ~ 0.9 * 13.5 Mpps after 358 * the end of active video to start a horizontal line, so that 359 * leaves 132 pixels of hblank to ignore. 360 */ 361 hblank = 132; 362 hactive = 720; 363 364 /* 365 * Burst gate delay (for 625 line systems) 366 * Hsync leading edge to color burst rise = 5.6 us 367 * Color burst width = 2.25 us 368 * Gate width = 4 pixel clocks 369 * (5.6 us + 2.25/2 us) * 13.5 Mpps + 4/2 clocks = 92.79 clocks 370 */ 371 burst = 93; 372 luma_lpf = 2; 373 if (std & V4L2_STD_PAL) { 374 uv_lpf = 1; 375 comb = 0x20; 376 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ 377 sc = 688700; 378 } else if (std == V4L2_STD_PAL_Nc) { 379 uv_lpf = 1; 380 comb = 0x20; 381 /* sc = 3582056.25 * src_decimation/28636360 * 2^13 */ 382 sc = 556422; 383 } else { /* SECAM */ 384 uv_lpf = 0; 385 comb = 0; 386 /* (fr + fb)/2 = (4406260 + 4250000)/2 = 4328130 */ 387 /* sc = 4328130 * src_decimation/28636360 * 2^13 */ 388 sc = 672314; 389 } 390 } else { 391 /* 392 * The following relationships of half line counts should hold: 393 * 525 = prevsync + vblank656 + vactive 394 * 12 = vblank656 - vblank = vsync pulses + equalization pulses 395 * 396 * prevsync: 6 half-lines before the vsync pulses 397 * vblank656: half lines, after line 3/mid-266, of blanked video 398 * vblank: half lines, after line 9/272, of blanked video 399 * vactive: half lines of active video 400 * 401 * As far as I can tell: 402 * vblank656 starts counting from the falling edge of the first 403 * vsync pulse (start of line 4 or mid-266) 404 * vblank starts counting from the after the 6 vsync pulses and 405 * 6 or 5 equalization pulses (start of line 10 or 272) 406 * 407 * For 525 line systems the driver will extract VBI information 408 * from lines 10-21 and lines 273-284. 409 */ 410 vblank656 = 38; /* lines 4 - 22 & 266 - 284 */ 411 vblank = 26; /* lines 10 - 22 & 272 - 284 */ 412 vactive = 481; /* lines 23 - 263 & 285 - 525 */ 413 414 /* 415 * For a 13.5 Mpps clock and 15,734.26 Hz line rate, a line is 416 * is 858 pixels = 720 active + 138 blanking. The Hsync leading 417 * edge should happen 1.2 us * 13.5 Mpps ~= 16 pixels after the 418 * end of active video, leaving 122 pixels of hblank to ignore 419 * before active video starts. 420 */ 421 hactive = 720; 422 hblank = 122; 423 luma_lpf = 1; 424 uv_lpf = 1; 425 426 /* 427 * Burst gate delay (for 525 line systems) 428 * Hsync leading edge to color burst rise = 5.3 us 429 * Color burst width = 2.5 us 430 * Gate width = 4 pixel clocks 431 * (5.3 us + 2.5/2 us) * 13.5 Mpps + 4/2 clocks = 90.425 clocks 432 */ 433 if (std == V4L2_STD_PAL_60) { 434 burst = 90; 435 luma_lpf = 2; 436 comb = 0x20; 437 /* sc = 4433618.75 * src_decimation/28636360 * 2^13 */ 438 sc = 688700; 439 } else if (std == V4L2_STD_PAL_M) { 440 /* The 97 needs to be verified against PAL-M timings */ 441 burst = 97; 442 comb = 0x20; 443 /* sc = 3575611.49 * src_decimation/28636360 * 2^13 */ 444 sc = 555421; 445 } else { 446 burst = 90; 447 comb = 0x66; 448 /* sc = 3579545.45.. * src_decimation/28636360 * 2^13 */ 449 sc = 556032; 450 } 451 } 452 453 /* DEBUG: Displays configured PLL frequency */ 454 pll_int = cx18_av_read(cx, 0x108); 455 pll_frac = cx18_av_read4(cx, 0x10c) & 0x1ffffff; 456 pll_post = cx18_av_read(cx, 0x109); 457 CX18_DEBUG_INFO_DEV(sd, "PLL regs = int: %u, frac: %u, post: %u\n", 458 pll_int, pll_frac, pll_post); 459 460 if (pll_post) { 461 int fsc, pll; 462 u64 tmp; 463 464 pll = (28636360L * ((((u64)pll_int) << 25) + pll_frac)) >> 25; 465 pll /= pll_post; 466 CX18_DEBUG_INFO_DEV(sd, "Video PLL = %d.%06d MHz\n", 467 pll / 1000000, pll % 1000000); 468 CX18_DEBUG_INFO_DEV(sd, "Pixel rate = %d.%06d Mpixel/sec\n", 469 pll / 8000000, (pll / 8) % 1000000); 470 471 CX18_DEBUG_INFO_DEV(sd, "ADC XTAL/pixel clock decimation ratio = %d.%03d\n", 472 src_decimation / 256, 473 ((src_decimation % 256) * 1000) / 256); 474 475 tmp = 28636360 * (u64) sc; 476 do_div(tmp, src_decimation); 477 fsc = tmp >> 13; 478 CX18_DEBUG_INFO_DEV(sd, 479 "Chroma sub-carrier initial freq = %d.%06d MHz\n", 480 fsc / 1000000, fsc % 1000000); 481 482 CX18_DEBUG_INFO_DEV(sd, 483 "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", 484 hblank, hactive, vblank, vactive, vblank656, 485 src_decimation, burst, luma_lpf, uv_lpf, 486 comb, sc); 487 } 488 489 /* Sets horizontal blanking delay and active lines */ 490 cx18_av_write(cx, 0x470, hblank); 491 cx18_av_write(cx, 0x471, 492 (((hblank >> 8) & 0x3) | (hactive << 4)) & 0xff); 493 cx18_av_write(cx, 0x472, hactive >> 4); 494 495 /* Sets burst gate delay */ 496 cx18_av_write(cx, 0x473, burst); 497 498 /* Sets vertical blanking delay and active duration */ 499 cx18_av_write(cx, 0x474, vblank); 500 cx18_av_write(cx, 0x475, 501 (((vblank >> 8) & 0x3) | (vactive << 4)) & 0xff); 502 cx18_av_write(cx, 0x476, vactive >> 4); 503 cx18_av_write(cx, 0x477, vblank656); 504 505 /* Sets src decimation rate */ 506 cx18_av_write(cx, 0x478, src_decimation & 0xff); 507 cx18_av_write(cx, 0x479, (src_decimation >> 8) & 0xff); 508 509 /* Sets Luma and UV Low pass filters */ 510 cx18_av_write(cx, 0x47a, luma_lpf << 6 | ((uv_lpf << 4) & 0x30)); 511 512 /* Enables comb filters */ 513 cx18_av_write(cx, 0x47b, comb); 514 515 /* Sets SC Step*/ 516 cx18_av_write(cx, 0x47c, sc); 517 cx18_av_write(cx, 0x47d, (sc >> 8) & 0xff); 518 cx18_av_write(cx, 0x47e, (sc >> 16) & 0xff); 519 520 if (std & V4L2_STD_625_50) { 521 state->slicer_line_delay = 1; 522 state->slicer_line_offset = (6 + state->slicer_line_delay - 2); 523 } else { 524 state->slicer_line_delay = 0; 525 state->slicer_line_offset = (10 + state->slicer_line_delay - 2); 526 } 527 cx18_av_write(cx, 0x47f, state->slicer_line_delay); 528 } 529 530 static void input_change(struct cx18 *cx) 531 { 532 struct cx18_av_state *state = &cx->av_state; 533 v4l2_std_id std = state->std; 534 u8 v; 535 536 /* Follow step 8c and 8d of section 3.16 in the cx18_av datasheet */ 537 cx18_av_write(cx, 0x49f, (std & V4L2_STD_NTSC) ? 0x14 : 0x11); 538 cx18_av_and_or(cx, 0x401, ~0x60, 0); 539 cx18_av_and_or(cx, 0x401, ~0x60, 0x60); 540 541 if (std & V4L2_STD_525_60) { 542 if (std == V4L2_STD_NTSC_M_JP) { 543 /* Japan uses EIAJ audio standard */ 544 cx18_av_write_expect(cx, 0x808, 0xf7, 0xf7, 0xff); 545 cx18_av_write_expect(cx, 0x80b, 0x02, 0x02, 0x3f); 546 } else if (std == V4L2_STD_NTSC_M_KR) { 547 /* South Korea uses A2 audio standard */ 548 cx18_av_write_expect(cx, 0x808, 0xf8, 0xf8, 0xff); 549 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 550 } else { 551 /* Others use the BTSC audio standard */ 552 cx18_av_write_expect(cx, 0x808, 0xf6, 0xf6, 0xff); 553 cx18_av_write_expect(cx, 0x80b, 0x01, 0x01, 0x3f); 554 } 555 } else if (std & V4L2_STD_PAL) { 556 /* Follow tuner change procedure for PAL */ 557 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); 558 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 559 } else if (std & V4L2_STD_SECAM) { 560 /* Select autodetect for SECAM */ 561 cx18_av_write_expect(cx, 0x808, 0xff, 0xff, 0xff); 562 cx18_av_write_expect(cx, 0x80b, 0x03, 0x03, 0x3f); 563 } 564 565 v = cx18_av_read(cx, 0x803); 566 if (v & 0x10) { 567 /* restart audio decoder microcontroller */ 568 v &= ~0x10; 569 cx18_av_write_expect(cx, 0x803, v, v, 0x1f); 570 v |= 0x10; 571 cx18_av_write_expect(cx, 0x803, v, v, 0x1f); 572 } 573 } 574 575 static int cx18_av_s_frequency(struct v4l2_subdev *sd, 576 const struct v4l2_frequency *freq) 577 { 578 struct cx18 *cx = v4l2_get_subdevdata(sd); 579 input_change(cx); 580 return 0; 581 } 582 583 static int set_input(struct cx18 *cx, enum cx18_av_video_input vid_input, 584 enum cx18_av_audio_input aud_input) 585 { 586 struct cx18_av_state *state = &cx->av_state; 587 struct v4l2_subdev *sd = &state->sd; 588 589 enum analog_signal_type { 590 NONE, CVBS, Y, C, SIF, Pb, Pr 591 } ch[3] = {NONE, NONE, NONE}; 592 593 u8 afe_mux_cfg; 594 u8 adc2_cfg; 595 u8 input_mode; 596 u32 afe_cfg; 597 int i; 598 599 CX18_DEBUG_INFO_DEV(sd, "decoder set video input %d, audio input %d\n", 600 vid_input, aud_input); 601 602 if (vid_input >= CX18_AV_COMPOSITE1 && 603 vid_input <= CX18_AV_COMPOSITE8) { 604 afe_mux_cfg = 0xf0 + (vid_input - CX18_AV_COMPOSITE1); 605 ch[0] = CVBS; 606 input_mode = 0x0; 607 } else if (vid_input >= CX18_AV_COMPONENT_LUMA1) { 608 int luma = vid_input & 0xf000; 609 int r_chroma = vid_input & 0xf0000; 610 int b_chroma = vid_input & 0xf00000; 611 612 if ((vid_input & ~0xfff000) || 613 luma < CX18_AV_COMPONENT_LUMA1 || 614 luma > CX18_AV_COMPONENT_LUMA8 || 615 r_chroma < CX18_AV_COMPONENT_R_CHROMA4 || 616 r_chroma > CX18_AV_COMPONENT_R_CHROMA6 || 617 b_chroma < CX18_AV_COMPONENT_B_CHROMA7 || 618 b_chroma > CX18_AV_COMPONENT_B_CHROMA8) { 619 CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", 620 vid_input); 621 return -EINVAL; 622 } 623 afe_mux_cfg = (luma - CX18_AV_COMPONENT_LUMA1) >> 12; 624 ch[0] = Y; 625 afe_mux_cfg |= (r_chroma - CX18_AV_COMPONENT_R_CHROMA4) >> 12; 626 ch[1] = Pr; 627 afe_mux_cfg |= (b_chroma - CX18_AV_COMPONENT_B_CHROMA7) >> 14; 628 ch[2] = Pb; 629 input_mode = 0x6; 630 } else { 631 int luma = vid_input & 0xf0; 632 int chroma = vid_input & 0xf00; 633 634 if ((vid_input & ~0xff0) || 635 luma < CX18_AV_SVIDEO_LUMA1 || 636 luma > CX18_AV_SVIDEO_LUMA8 || 637 chroma < CX18_AV_SVIDEO_CHROMA4 || 638 chroma > CX18_AV_SVIDEO_CHROMA8) { 639 CX18_ERR_DEV(sd, "0x%06x is not a valid video input!\n", 640 vid_input); 641 return -EINVAL; 642 } 643 afe_mux_cfg = 0xf0 + ((luma - CX18_AV_SVIDEO_LUMA1) >> 4); 644 ch[0] = Y; 645 if (chroma >= CX18_AV_SVIDEO_CHROMA7) { 646 afe_mux_cfg &= 0x3f; 647 afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA7) >> 2; 648 ch[2] = C; 649 } else { 650 afe_mux_cfg &= 0xcf; 651 afe_mux_cfg |= (chroma - CX18_AV_SVIDEO_CHROMA4) >> 4; 652 ch[1] = C; 653 } 654 input_mode = 0x2; 655 } 656 657 switch (aud_input) { 658 case CX18_AV_AUDIO_SERIAL1: 659 case CX18_AV_AUDIO_SERIAL2: 660 /* do nothing, use serial audio input */ 661 break; 662 case CX18_AV_AUDIO4: 663 afe_mux_cfg &= ~0x30; 664 ch[1] = SIF; 665 break; 666 case CX18_AV_AUDIO5: 667 afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x10; 668 ch[1] = SIF; 669 break; 670 case CX18_AV_AUDIO6: 671 afe_mux_cfg = (afe_mux_cfg & ~0x30) | 0x20; 672 ch[1] = SIF; 673 break; 674 case CX18_AV_AUDIO7: 675 afe_mux_cfg &= ~0xc0; 676 ch[2] = SIF; 677 break; 678 case CX18_AV_AUDIO8: 679 afe_mux_cfg = (afe_mux_cfg & ~0xc0) | 0x40; 680 ch[2] = SIF; 681 break; 682 683 default: 684 CX18_ERR_DEV(sd, "0x%04x is not a valid audio input!\n", 685 aud_input); 686 return -EINVAL; 687 } 688 689 /* Set up analog front end multiplexers */ 690 cx18_av_write_expect(cx, 0x103, afe_mux_cfg, afe_mux_cfg, 0xf7); 691 /* Set INPUT_MODE to Composite, S-Video, or Component */ 692 cx18_av_and_or(cx, 0x401, ~0x6, input_mode); 693 694 /* Set CH_SEL_ADC2 to 1 if input comes from CH3 */ 695 adc2_cfg = cx18_av_read(cx, 0x102); 696 if (ch[2] == NONE) 697 adc2_cfg &= ~0x2; /* No sig on CH3, set ADC2 to CH2 for input */ 698 else 699 adc2_cfg |= 0x2; /* Signal on CH3, set ADC2 to CH3 for input */ 700 701 /* Set DUAL_MODE_ADC2 to 1 if input comes from both CH2 and CH3 */ 702 if (ch[1] != NONE && ch[2] != NONE) 703 adc2_cfg |= 0x4; /* Set dual mode */ 704 else 705 adc2_cfg &= ~0x4; /* Clear dual mode */ 706 cx18_av_write_expect(cx, 0x102, adc2_cfg, adc2_cfg, 0x17); 707 708 /* Configure the analog front end */ 709 afe_cfg = cx18_av_read4(cx, CXADEC_AFE_CTRL); 710 afe_cfg &= 0xff000000; 711 afe_cfg |= 0x00005000; /* CHROMA_IN, AUD_IN: ADC2; LUMA_IN: ADC1 */ 712 if (ch[1] != NONE && ch[2] != NONE) 713 afe_cfg |= 0x00000030; /* half_bw_ch[2-3] since in dual mode */ 714 715 for (i = 0; i < 3; i++) { 716 switch (ch[i]) { 717 default: 718 case NONE: 719 /* CLAMP_SEL = Fixed to midcode clamp level */ 720 afe_cfg |= (0x00000200 << i); 721 break; 722 case CVBS: 723 case Y: 724 if (i > 0) 725 afe_cfg |= 0x00002000; /* LUMA_IN_SEL: ADC2 */ 726 break; 727 case C: 728 case Pb: 729 case Pr: 730 /* CLAMP_SEL = Fixed to midcode clamp level */ 731 afe_cfg |= (0x00000200 << i); 732 if (i == 0 && ch[i] == C) 733 afe_cfg &= ~0x00001000; /* CHROMA_IN_SEL ADC1 */ 734 break; 735 case SIF: 736 /* 737 * VGA_GAIN_SEL = Audio Decoder 738 * CLAMP_SEL = Fixed to midcode clamp level 739 */ 740 afe_cfg |= (0x00000240 << i); 741 if (i == 0) 742 afe_cfg &= ~0x00004000; /* AUD_IN_SEL ADC1 */ 743 break; 744 } 745 } 746 747 cx18_av_write4(cx, CXADEC_AFE_CTRL, afe_cfg); 748 749 state->vid_input = vid_input; 750 state->aud_input = aud_input; 751 cx18_av_audio_set_path(cx); 752 input_change(cx); 753 return 0; 754 } 755 756 static int cx18_av_s_video_routing(struct v4l2_subdev *sd, 757 u32 input, u32 output, u32 config) 758 { 759 struct cx18_av_state *state = to_cx18_av_state(sd); 760 struct cx18 *cx = v4l2_get_subdevdata(sd); 761 return set_input(cx, input, state->aud_input); 762 } 763 764 static int cx18_av_s_audio_routing(struct v4l2_subdev *sd, 765 u32 input, u32 output, u32 config) 766 { 767 struct cx18_av_state *state = to_cx18_av_state(sd); 768 struct cx18 *cx = v4l2_get_subdevdata(sd); 769 return set_input(cx, state->vid_input, input); 770 } 771 772 static int cx18_av_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) 773 { 774 struct cx18_av_state *state = to_cx18_av_state(sd); 775 struct cx18 *cx = v4l2_get_subdevdata(sd); 776 u8 vpres; 777 u8 mode; 778 int val = 0; 779 780 if (state->radio) 781 return 0; 782 783 vpres = cx18_av_read(cx, 0x40e) & 0x20; 784 vt->signal = vpres ? 0xffff : 0x0; 785 786 vt->capability |= 787 V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | 788 V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; 789 790 mode = cx18_av_read(cx, 0x804); 791 792 /* get rxsubchans and audmode */ 793 if ((mode & 0xf) == 1) 794 val |= V4L2_TUNER_SUB_STEREO; 795 else 796 val |= V4L2_TUNER_SUB_MONO; 797 798 if (mode == 2 || mode == 4) 799 val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; 800 801 if (mode & 0x10) 802 val |= V4L2_TUNER_SUB_SAP; 803 804 vt->rxsubchans = val; 805 vt->audmode = state->audmode; 806 return 0; 807 } 808 809 static int cx18_av_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *vt) 810 { 811 struct cx18_av_state *state = to_cx18_av_state(sd); 812 struct cx18 *cx = v4l2_get_subdevdata(sd); 813 u8 v; 814 815 if (state->radio) 816 return 0; 817 818 v = cx18_av_read(cx, 0x809); 819 v &= ~0xf; 820 821 switch (vt->audmode) { 822 case V4L2_TUNER_MODE_MONO: 823 /* mono -> mono 824 stereo -> mono 825 bilingual -> lang1 */ 826 break; 827 case V4L2_TUNER_MODE_STEREO: 828 case V4L2_TUNER_MODE_LANG1: 829 /* mono -> mono 830 stereo -> stereo 831 bilingual -> lang1 */ 832 v |= 0x4; 833 break; 834 case V4L2_TUNER_MODE_LANG1_LANG2: 835 /* mono -> mono 836 stereo -> stereo 837 bilingual -> lang1/lang2 */ 838 v |= 0x7; 839 break; 840 case V4L2_TUNER_MODE_LANG2: 841 /* mono -> mono 842 stereo -> stereo 843 bilingual -> lang2 */ 844 v |= 0x1; 845 break; 846 default: 847 return -EINVAL; 848 } 849 cx18_av_write_expect(cx, 0x809, v, v, 0xff); 850 state->audmode = vt->audmode; 851 return 0; 852 } 853 854 static int cx18_av_s_std(struct v4l2_subdev *sd, v4l2_std_id norm) 855 { 856 struct cx18_av_state *state = to_cx18_av_state(sd); 857 struct cx18 *cx = v4l2_get_subdevdata(sd); 858 859 u8 fmt = 0; /* zero is autodetect */ 860 u8 pal_m = 0; 861 862 if (state->radio == 0 && state->std == norm) 863 return 0; 864 865 state->radio = 0; 866 state->std = norm; 867 868 /* First tests should be against specific std */ 869 if (state->std == V4L2_STD_NTSC_M_JP) { 870 fmt = 0x2; 871 } else if (state->std == V4L2_STD_NTSC_443) { 872 fmt = 0x3; 873 } else if (state->std == V4L2_STD_PAL_M) { 874 pal_m = 1; 875 fmt = 0x5; 876 } else if (state->std == V4L2_STD_PAL_N) { 877 fmt = 0x6; 878 } else if (state->std == V4L2_STD_PAL_Nc) { 879 fmt = 0x7; 880 } else if (state->std == V4L2_STD_PAL_60) { 881 fmt = 0x8; 882 } else { 883 /* Then, test against generic ones */ 884 if (state->std & V4L2_STD_NTSC) 885 fmt = 0x1; 886 else if (state->std & V4L2_STD_PAL) 887 fmt = 0x4; 888 else if (state->std & V4L2_STD_SECAM) 889 fmt = 0xc; 890 } 891 892 CX18_DEBUG_INFO_DEV(sd, "changing video std to fmt %i\n", fmt); 893 894 /* Follow step 9 of section 3.16 in the cx18_av datasheet. 895 Without this PAL may display a vertical ghosting effect. 896 This happens for example with the Yuan MPC622. */ 897 if (fmt >= 4 && fmt < 8) { 898 /* Set format to NTSC-M */ 899 cx18_av_and_or(cx, 0x400, ~0xf, 1); 900 /* Turn off LCOMB */ 901 cx18_av_and_or(cx, 0x47b, ~6, 0); 902 } 903 cx18_av_and_or(cx, 0x400, ~0x2f, fmt | 0x20); 904 cx18_av_and_or(cx, 0x403, ~0x3, pal_m); 905 cx18_av_std_setup(cx); 906 input_change(cx); 907 return 0; 908 } 909 910 static int cx18_av_s_radio(struct v4l2_subdev *sd) 911 { 912 struct cx18_av_state *state = to_cx18_av_state(sd); 913 state->radio = 1; 914 return 0; 915 } 916 917 static int cx18_av_s_ctrl(struct v4l2_ctrl *ctrl) 918 { 919 struct v4l2_subdev *sd = to_sd(ctrl); 920 struct cx18 *cx = v4l2_get_subdevdata(sd); 921 922 switch (ctrl->id) { 923 case V4L2_CID_BRIGHTNESS: 924 cx18_av_write(cx, 0x414, ctrl->val - 128); 925 break; 926 927 case V4L2_CID_CONTRAST: 928 cx18_av_write(cx, 0x415, ctrl->val << 1); 929 break; 930 931 case V4L2_CID_SATURATION: 932 cx18_av_write(cx, 0x420, ctrl->val << 1); 933 cx18_av_write(cx, 0x421, ctrl->val << 1); 934 break; 935 936 case V4L2_CID_HUE: 937 cx18_av_write(cx, 0x422, ctrl->val); 938 break; 939 940 default: 941 return -EINVAL; 942 } 943 return 0; 944 } 945 946 static int cx18_av_set_fmt(struct v4l2_subdev *sd, 947 struct v4l2_subdev_pad_config *cfg, 948 struct v4l2_subdev_format *format) 949 { 950 struct v4l2_mbus_framefmt *fmt = &format->format; 951 struct cx18_av_state *state = to_cx18_av_state(sd); 952 struct cx18 *cx = v4l2_get_subdevdata(sd); 953 int HSC, VSC, Vsrc, Hsrc, filter, Vlines; 954 int is_50Hz = !(state->std & V4L2_STD_525_60); 955 956 if (format->pad || fmt->code != MEDIA_BUS_FMT_FIXED) 957 return -EINVAL; 958 959 fmt->field = V4L2_FIELD_INTERLACED; 960 fmt->colorspace = V4L2_COLORSPACE_SMPTE170M; 961 962 Vsrc = (cx18_av_read(cx, 0x476) & 0x3f) << 4; 963 Vsrc |= (cx18_av_read(cx, 0x475) & 0xf0) >> 4; 964 965 Hsrc = (cx18_av_read(cx, 0x472) & 0x3f) << 4; 966 Hsrc |= (cx18_av_read(cx, 0x471) & 0xf0) >> 4; 967 968 /* 969 * This adjustment reflects the excess of vactive, set in 970 * cx18_av_std_setup(), above standard values: 971 * 972 * 480 + 1 for 60 Hz systems 973 * 576 + 3 for 50 Hz systems 974 */ 975 Vlines = fmt->height + (is_50Hz ? 3 : 1); 976 977 /* 978 * Invalid height and width scaling requests are: 979 * 1. width less than 1/16 of the source width 980 * 2. width greater than the source width 981 * 3. height less than 1/8 of the source height 982 * 4. height greater than the source height 983 */ 984 if ((fmt->width * 16 < Hsrc) || (Hsrc < fmt->width) || 985 (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { 986 CX18_ERR_DEV(sd, "%dx%d is not a valid size!\n", 987 fmt->width, fmt->height); 988 return -ERANGE; 989 } 990 991 if (format->which == V4L2_SUBDEV_FORMAT_TRY) 992 return 0; 993 994 HSC = (Hsrc * (1 << 20)) / fmt->width - (1 << 20); 995 VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); 996 VSC &= 0x1fff; 997 998 if (fmt->width >= 385) 999 filter = 0; 1000 else if (fmt->width > 192) 1001 filter = 1; 1002 else if (fmt->width > 96) 1003 filter = 2; 1004 else 1005 filter = 3; 1006 1007 CX18_DEBUG_INFO_DEV(sd, 1008 "decoder set size %dx%d -> scale %ux%u\n", 1009 fmt->width, fmt->height, HSC, VSC); 1010 1011 /* HSCALE=HSC */ 1012 cx18_av_write(cx, 0x418, HSC & 0xff); 1013 cx18_av_write(cx, 0x419, (HSC >> 8) & 0xff); 1014 cx18_av_write(cx, 0x41a, HSC >> 16); 1015 /* VSCALE=VSC */ 1016 cx18_av_write(cx, 0x41c, VSC & 0xff); 1017 cx18_av_write(cx, 0x41d, VSC >> 8); 1018 /* VS_INTRLACE=1 VFILT=filter */ 1019 cx18_av_write(cx, 0x41e, 0x8 | filter); 1020 return 0; 1021 } 1022 1023 static int cx18_av_s_stream(struct v4l2_subdev *sd, int enable) 1024 { 1025 struct cx18 *cx = v4l2_get_subdevdata(sd); 1026 1027 CX18_DEBUG_INFO_DEV(sd, "%s output\n", enable ? "enable" : "disable"); 1028 if (enable) { 1029 cx18_av_write(cx, 0x115, 0x8c); 1030 cx18_av_write(cx, 0x116, 0x07); 1031 } else { 1032 cx18_av_write(cx, 0x115, 0x00); 1033 cx18_av_write(cx, 0x116, 0x00); 1034 } 1035 return 0; 1036 } 1037 1038 static void log_video_status(struct cx18 *cx) 1039 { 1040 static const char *const fmt_strs[] = { 1041 "0x0", 1042 "NTSC-M", "NTSC-J", "NTSC-4.43", 1043 "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", 1044 "0x9", "0xA", "0xB", 1045 "SECAM", 1046 "0xD", "0xE", "0xF" 1047 }; 1048 1049 struct cx18_av_state *state = &cx->av_state; 1050 struct v4l2_subdev *sd = &state->sd; 1051 u8 vidfmt_sel = cx18_av_read(cx, 0x400) & 0xf; 1052 u8 gen_stat1 = cx18_av_read(cx, 0x40d); 1053 u8 gen_stat2 = cx18_av_read(cx, 0x40e); 1054 int vid_input = state->vid_input; 1055 1056 CX18_INFO_DEV(sd, "Video signal: %spresent\n", 1057 (gen_stat2 & 0x20) ? "" : "not "); 1058 CX18_INFO_DEV(sd, "Detected format: %s\n", 1059 fmt_strs[gen_stat1 & 0xf]); 1060 1061 CX18_INFO_DEV(sd, "Specified standard: %s\n", 1062 vidfmt_sel ? fmt_strs[vidfmt_sel] 1063 : "automatic detection"); 1064 1065 if (vid_input >= CX18_AV_COMPOSITE1 && 1066 vid_input <= CX18_AV_COMPOSITE8) { 1067 CX18_INFO_DEV(sd, "Specified video input: Composite %d\n", 1068 vid_input - CX18_AV_COMPOSITE1 + 1); 1069 } else { 1070 CX18_INFO_DEV(sd, "Specified video input: S-Video (Luma In%d, Chroma In%d)\n", 1071 (vid_input & 0xf0) >> 4, 1072 (vid_input & 0xf00) >> 8); 1073 } 1074 1075 CX18_INFO_DEV(sd, "Specified audioclock freq: %d Hz\n", 1076 state->audclk_freq); 1077 } 1078 1079 static void log_audio_status(struct cx18 *cx) 1080 { 1081 struct cx18_av_state *state = &cx->av_state; 1082 struct v4l2_subdev *sd = &state->sd; 1083 u8 download_ctl = cx18_av_read(cx, 0x803); 1084 u8 mod_det_stat0 = cx18_av_read(cx, 0x804); 1085 u8 mod_det_stat1 = cx18_av_read(cx, 0x805); 1086 u8 audio_config = cx18_av_read(cx, 0x808); 1087 u8 pref_mode = cx18_av_read(cx, 0x809); 1088 u8 afc0 = cx18_av_read(cx, 0x80b); 1089 u8 mute_ctl = cx18_av_read(cx, 0x8d3); 1090 int aud_input = state->aud_input; 1091 char *p; 1092 1093 switch (mod_det_stat0) { 1094 case 0x00: p = "mono"; break; 1095 case 0x01: p = "stereo"; break; 1096 case 0x02: p = "dual"; break; 1097 case 0x04: p = "tri"; break; 1098 case 0x10: p = "mono with SAP"; break; 1099 case 0x11: p = "stereo with SAP"; break; 1100 case 0x12: p = "dual with SAP"; break; 1101 case 0x14: p = "tri with SAP"; break; 1102 case 0xfe: p = "forced mode"; break; 1103 default: p = "not defined"; break; 1104 } 1105 CX18_INFO_DEV(sd, "Detected audio mode: %s\n", p); 1106 1107 switch (mod_det_stat1) { 1108 case 0x00: p = "not defined"; break; 1109 case 0x01: p = "EIAJ"; break; 1110 case 0x02: p = "A2-M"; break; 1111 case 0x03: p = "A2-BG"; break; 1112 case 0x04: p = "A2-DK1"; break; 1113 case 0x05: p = "A2-DK2"; break; 1114 case 0x06: p = "A2-DK3"; break; 1115 case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; 1116 case 0x08: p = "AM-L"; break; 1117 case 0x09: p = "NICAM-BG"; break; 1118 case 0x0a: p = "NICAM-DK"; break; 1119 case 0x0b: p = "NICAM-I"; break; 1120 case 0x0c: p = "NICAM-L"; break; 1121 case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; 1122 case 0x0e: p = "IF FM Radio"; break; 1123 case 0x0f: p = "BTSC"; break; 1124 case 0x10: p = "detected chrominance"; break; 1125 case 0xfd: p = "unknown audio standard"; break; 1126 case 0xfe: p = "forced audio standard"; break; 1127 case 0xff: p = "no detected audio standard"; break; 1128 default: p = "not defined"; break; 1129 } 1130 CX18_INFO_DEV(sd, "Detected audio standard: %s\n", p); 1131 CX18_INFO_DEV(sd, "Audio muted: %s\n", 1132 (mute_ctl & 0x2) ? "yes" : "no"); 1133 CX18_INFO_DEV(sd, "Audio microcontroller: %s\n", 1134 (download_ctl & 0x10) ? "running" : "stopped"); 1135 1136 switch (audio_config >> 4) { 1137 case 0x00: p = "undefined"; break; 1138 case 0x01: p = "BTSC"; break; 1139 case 0x02: p = "EIAJ"; break; 1140 case 0x03: p = "A2-M"; break; 1141 case 0x04: p = "A2-BG"; break; 1142 case 0x05: p = "A2-DK1"; break; 1143 case 0x06: p = "A2-DK2"; break; 1144 case 0x07: p = "A2-DK3"; break; 1145 case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; 1146 case 0x09: p = "AM-L"; break; 1147 case 0x0a: p = "NICAM-BG"; break; 1148 case 0x0b: p = "NICAM-DK"; break; 1149 case 0x0c: p = "NICAM-I"; break; 1150 case 0x0d: p = "NICAM-L"; break; 1151 case 0x0e: p = "FM radio"; break; 1152 case 0x0f: p = "automatic detection"; break; 1153 default: p = "undefined"; break; 1154 } 1155 CX18_INFO_DEV(sd, "Configured audio standard: %s\n", p); 1156 1157 if ((audio_config >> 4) < 0xF) { 1158 switch (audio_config & 0xF) { 1159 case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; 1160 case 0x01: p = "MONO2 (LANGUAGE B)"; break; 1161 case 0x02: p = "MONO3 (STEREO forced MONO)"; break; 1162 case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; 1163 case 0x04: p = "STEREO"; break; 1164 case 0x05: p = "DUAL1 (AC)"; break; 1165 case 0x06: p = "DUAL2 (BC)"; break; 1166 case 0x07: p = "DUAL3 (AB)"; break; 1167 default: p = "undefined"; 1168 } 1169 CX18_INFO_DEV(sd, "Configured audio mode: %s\n", p); 1170 } else { 1171 switch (audio_config & 0xF) { 1172 case 0x00: p = "BG"; break; 1173 case 0x01: p = "DK1"; break; 1174 case 0x02: p = "DK2"; break; 1175 case 0x03: p = "DK3"; break; 1176 case 0x04: p = "I"; break; 1177 case 0x05: p = "L"; break; 1178 case 0x06: p = "BTSC"; break; 1179 case 0x07: p = "EIAJ"; break; 1180 case 0x08: p = "A2-M"; break; 1181 case 0x09: p = "FM Radio (4.5 MHz)"; break; 1182 case 0x0a: p = "FM Radio (5.5 MHz)"; break; 1183 case 0x0b: p = "S-Video"; break; 1184 case 0x0f: p = "automatic standard and mode detection"; break; 1185 default: p = "undefined"; break; 1186 } 1187 CX18_INFO_DEV(sd, "Configured audio system: %s\n", p); 1188 } 1189 1190 if (aud_input) 1191 CX18_INFO_DEV(sd, "Specified audio input: Tuner (In%d)\n", 1192 aud_input); 1193 else 1194 CX18_INFO_DEV(sd, "Specified audio input: External\n"); 1195 1196 switch (pref_mode & 0xf) { 1197 case 0: p = "mono/language A"; break; 1198 case 1: p = "language B"; break; 1199 case 2: p = "language C"; break; 1200 case 3: p = "analog fallback"; break; 1201 case 4: p = "stereo"; break; 1202 case 5: p = "language AC"; break; 1203 case 6: p = "language BC"; break; 1204 case 7: p = "language AB"; break; 1205 default: p = "undefined"; break; 1206 } 1207 CX18_INFO_DEV(sd, "Preferred audio mode: %s\n", p); 1208 1209 if ((audio_config & 0xf) == 0xf) { 1210 switch ((afc0 >> 3) & 0x1) { 1211 case 0: p = "system DK"; break; 1212 case 1: p = "system L"; break; 1213 } 1214 CX18_INFO_DEV(sd, "Selected 65 MHz format: %s\n", p); 1215 1216 switch (afc0 & 0x7) { 1217 case 0: p = "Chroma"; break; 1218 case 1: p = "BTSC"; break; 1219 case 2: p = "EIAJ"; break; 1220 case 3: p = "A2-M"; break; 1221 case 4: p = "autodetect"; break; 1222 default: p = "undefined"; break; 1223 } 1224 CX18_INFO_DEV(sd, "Selected 45 MHz format: %s\n", p); 1225 } 1226 } 1227 1228 static int cx18_av_log_status(struct v4l2_subdev *sd) 1229 { 1230 struct cx18 *cx = v4l2_get_subdevdata(sd); 1231 log_video_status(cx); 1232 log_audio_status(cx); 1233 return 0; 1234 } 1235 1236 #ifdef CONFIG_VIDEO_ADV_DEBUG 1237 static int cx18_av_g_register(struct v4l2_subdev *sd, 1238 struct v4l2_dbg_register *reg) 1239 { 1240 struct cx18 *cx = v4l2_get_subdevdata(sd); 1241 1242 if ((reg->reg & 0x3) != 0) 1243 return -EINVAL; 1244 reg->size = 4; 1245 reg->val = cx18_av_read4(cx, reg->reg & 0x00000ffc); 1246 return 0; 1247 } 1248 1249 static int cx18_av_s_register(struct v4l2_subdev *sd, 1250 const struct v4l2_dbg_register *reg) 1251 { 1252 struct cx18 *cx = v4l2_get_subdevdata(sd); 1253 1254 if ((reg->reg & 0x3) != 0) 1255 return -EINVAL; 1256 cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val); 1257 return 0; 1258 } 1259 #endif 1260 1261 static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = { 1262 .s_ctrl = cx18_av_s_ctrl, 1263 }; 1264 1265 static const struct v4l2_subdev_core_ops cx18_av_general_ops = { 1266 .log_status = cx18_av_log_status, 1267 .load_fw = cx18_av_load_fw, 1268 .reset = cx18_av_reset, 1269 #ifdef CONFIG_VIDEO_ADV_DEBUG 1270 .g_register = cx18_av_g_register, 1271 .s_register = cx18_av_s_register, 1272 #endif 1273 }; 1274 1275 static const struct v4l2_subdev_tuner_ops cx18_av_tuner_ops = { 1276 .s_radio = cx18_av_s_radio, 1277 .s_frequency = cx18_av_s_frequency, 1278 .g_tuner = cx18_av_g_tuner, 1279 .s_tuner = cx18_av_s_tuner, 1280 }; 1281 1282 static const struct v4l2_subdev_audio_ops cx18_av_audio_ops = { 1283 .s_clock_freq = cx18_av_s_clock_freq, 1284 .s_routing = cx18_av_s_audio_routing, 1285 }; 1286 1287 static const struct v4l2_subdev_video_ops cx18_av_video_ops = { 1288 .s_std = cx18_av_s_std, 1289 .s_routing = cx18_av_s_video_routing, 1290 .s_stream = cx18_av_s_stream, 1291 }; 1292 1293 static const struct v4l2_subdev_vbi_ops cx18_av_vbi_ops = { 1294 .decode_vbi_line = cx18_av_decode_vbi_line, 1295 .g_sliced_fmt = cx18_av_g_sliced_fmt, 1296 .s_sliced_fmt = cx18_av_s_sliced_fmt, 1297 .s_raw_fmt = cx18_av_s_raw_fmt, 1298 }; 1299 1300 static const struct v4l2_subdev_pad_ops cx18_av_pad_ops = { 1301 .set_fmt = cx18_av_set_fmt, 1302 }; 1303 1304 static const struct v4l2_subdev_ops cx18_av_ops = { 1305 .core = &cx18_av_general_ops, 1306 .tuner = &cx18_av_tuner_ops, 1307 .audio = &cx18_av_audio_ops, 1308 .video = &cx18_av_video_ops, 1309 .vbi = &cx18_av_vbi_ops, 1310 .pad = &cx18_av_pad_ops, 1311 }; 1312 1313 int cx18_av_probe(struct cx18 *cx) 1314 { 1315 struct cx18_av_state *state = &cx->av_state; 1316 struct v4l2_subdev *sd; 1317 int err; 1318 1319 state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff; 1320 1321 state->vid_input = CX18_AV_COMPOSITE7; 1322 state->aud_input = CX18_AV_AUDIO8; 1323 state->audclk_freq = 48000; 1324 state->audmode = V4L2_TUNER_MODE_LANG1; 1325 state->slicer_line_delay = 0; 1326 state->slicer_line_offset = (10 + state->slicer_line_delay - 2); 1327 1328 sd = &state->sd; 1329 v4l2_subdev_init(sd, &cx18_av_ops); 1330 v4l2_set_subdevdata(sd, cx); 1331 snprintf(sd->name, sizeof(sd->name), 1332 "%s %03x", cx->v4l2_dev.name, (state->rev >> 4)); 1333 sd->grp_id = CX18_HW_418_AV; 1334 v4l2_ctrl_handler_init(&state->hdl, 9); 1335 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1336 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); 1337 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1338 V4L2_CID_CONTRAST, 0, 127, 1, 64); 1339 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1340 V4L2_CID_SATURATION, 0, 127, 1, 64); 1341 v4l2_ctrl_new_std(&state->hdl, &cx18_av_ctrl_ops, 1342 V4L2_CID_HUE, -128, 127, 1, 0); 1343 1344 state->volume = v4l2_ctrl_new_std(&state->hdl, 1345 &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_VOLUME, 1346 0, 65535, 65535 / 100, 0); 1347 v4l2_ctrl_new_std(&state->hdl, 1348 &cx18_av_audio_ctrl_ops, V4L2_CID_AUDIO_MUTE, 1349 0, 1, 1, 0); 1350 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1351 V4L2_CID_AUDIO_BALANCE, 1352 0, 65535, 65535 / 100, 32768); 1353 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1354 V4L2_CID_AUDIO_BASS, 1355 0, 65535, 65535 / 100, 32768); 1356 v4l2_ctrl_new_std(&state->hdl, &cx18_av_audio_ctrl_ops, 1357 V4L2_CID_AUDIO_TREBLE, 1358 0, 65535, 65535 / 100, 32768); 1359 sd->ctrl_handler = &state->hdl; 1360 if (state->hdl.error) { 1361 int err = state->hdl.error; 1362 1363 v4l2_ctrl_handler_free(&state->hdl); 1364 return err; 1365 } 1366 err = v4l2_device_register_subdev(&cx->v4l2_dev, sd); 1367 if (err) 1368 v4l2_ctrl_handler_free(&state->hdl); 1369 else 1370 cx18_av_init(cx); 1371 return err; 1372 } 1373