drivers/media/video/ks0127.c

   1 /*
   2  * Video Capture Driver (Video for Linux 1/2)
   3  * for the Matrox Marvel G200,G400 and Rainbow Runner-G series
   4  *
   5  * This module is an interface to the KS0127 video decoder chip.
   6  *
   7  * Copyright (C) 1999  Ryan Drake <stiletto@mediaone.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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22  *
  23  *****************************************************************************
  24  *
  25  * Modified and extended by
  26  *      Mike Bernson <mike@mlb.org>
  27  *      Gerard v.d. Horst
  28  *      Leon van Stuivenberg <l.vanstuivenberg@chello.nl>
  29  *      Gernot Ziegler <gz@lysator.liu.se>
  30  *
  31  * Version History:
  32  * V1.0 Ryan Drake         Initial version by Ryan Drake
  33  * V1.1 Gerard v.d. Horst  Added some debugoutput, reset the video-standard
  34  */
  35
  36 #include <linux/init.h>
  37 #include <linux/module.h>
  38 #include <linux/delay.h>
  39 #include <linux/errno.h>
  40 #include <linux/kernel.h>
  41 #include <linux/i2c.h>
  42 #include <linux/videodev2.h>
  43 #include <linux/slab.h>
  44 #include <media/v4l2-device.h>
  45 #include <media/v4l2-chip-ident.h>
  46 #include <media/v4l2-i2c-drv.h>
  47 #include "ks0127.h"
  48
  49 MODULE_DESCRIPTION("KS0127 video decoder driver");
  50 MODULE_AUTHOR("Ryan Drake");
  51 MODULE_LICENSE("GPL");
  52
  53 /* Addresses */
  54 #define I2C_KS0127_ADDON   0xD8
  55 #define I2C_KS0127_ONBOARD 0xDA
  56
  57
  58 /* ks0127 control registers */
  59 #define KS_STAT     0x00
  60 #define KS_CMDA     0x01
  61 #define KS_CMDB     0x02
  62 #define KS_CMDC     0x03
  63 #define KS_CMDD     0x04
  64 #define KS_HAVB     0x05
  65 #define KS_HAVE     0x06
  66 #define KS_HS1B     0x07
  67 #define KS_HS1E     0x08
  68 #define KS_HS2B     0x09
  69 #define KS_HS2E     0x0a
  70 #define KS_AGC      0x0b
  71 #define KS_HXTRA    0x0c
  72 #define KS_CDEM     0x0d
  73 #define KS_PORTAB   0x0e
  74 #define KS_LUMA     0x0f
  75 #define KS_CON      0x10
  76 #define KS_BRT      0x11
  77 #define KS_CHROMA   0x12
  78 #define KS_CHROMB   0x13
  79 #define KS_DEMOD    0x14
  80 #define KS_SAT      0x15
  81 #define KS_HUE      0x16
  82 #define KS_VERTIA   0x17
  83 #define KS_VERTIB   0x18
  84 #define KS_VERTIC   0x19
  85 #define KS_HSCLL    0x1a
  86 #define KS_HSCLH    0x1b
  87 #define KS_VSCLL    0x1c
  88 #define KS_VSCLH    0x1d
  89 #define KS_OFMTA    0x1e
  90 #define KS_OFMTB    0x1f
  91 #define KS_VBICTL   0x20
  92 #define KS_CCDAT2   0x21
  93 #define KS_CCDAT1   0x22
  94 #define KS_VBIL30   0x23
  95 #define KS_VBIL74   0x24
  96 #define KS_VBIL118  0x25
  97 #define KS_VBIL1512 0x26
  98 #define KS_TTFRAM   0x27
  99 #define KS_TESTA    0x28
 100 #define KS_UVOFFH   0x29
 101 #define KS_UVOFFL   0x2a
 102 #define KS_UGAIN    0x2b
 103 #define KS_VGAIN    0x2c
 104 #define KS_VAVB     0x2d
 105 #define KS_VAVE     0x2e
 106 #define KS_CTRACK   0x2f
 107 #define KS_POLCTL   0x30
 108 #define KS_REFCOD   0x31
 109 #define KS_INVALY   0x32
 110 #define KS_INVALU   0x33
 111 #define KS_INVALV   0x34
 112 #define KS_UNUSEY   0x35
 113 #define KS_UNUSEU   0x36
 114 #define KS_UNUSEV   0x37
 115 #define KS_USRSAV   0x38
 116 #define KS_USREAV   0x39
 117 #define KS_SHS1A    0x3a
 118 #define KS_SHS1B    0x3b
 119 #define KS_SHS1C    0x3c
 120 #define KS_CMDE     0x3d
 121 #define KS_VSDEL    0x3e
 122 #define KS_CMDF     0x3f
 123 #define KS_GAMMA0   0x40
 124 #define KS_GAMMA1   0x41
 125 #define KS_GAMMA2   0x42
 126 #define KS_GAMMA3   0x43
 127 #define KS_GAMMA4   0x44
 128 #define KS_GAMMA5   0x45
 129 #define KS_GAMMA6   0x46
 130 #define KS_GAMMA7   0x47
 131 #define KS_GAMMA8   0x48
 132 #define KS_GAMMA9   0x49
 133 #define KS_GAMMA10  0x4a
 134 #define KS_GAMMA11  0x4b
 135 #define KS_GAMMA12  0x4c
 136 #define KS_GAMMA13  0x4d
 137 #define KS_GAMMA14  0x4e
 138 #define KS_GAMMA15  0x4f
 139 #define KS_GAMMA16  0x50
 140 #define KS_GAMMA17  0x51
 141 #define KS_GAMMA18  0x52
 142 #define KS_GAMMA19  0x53
 143 #define KS_GAMMA20  0x54
 144 #define KS_GAMMA21  0x55
 145 #define KS_GAMMA22  0x56
 146 #define KS_GAMMA23  0x57
 147 #define KS_GAMMA24  0x58
 148 #define KS_GAMMA25  0x59
 149 #define KS_GAMMA26  0x5a
 150 #define KS_GAMMA27  0x5b
 151 #define KS_GAMMA28  0x5c
 152 #define KS_GAMMA29  0x5d
 153 #define KS_GAMMA30  0x5e
 154 #define KS_GAMMA31  0x5f
 155 #define KS_GAMMAD0  0x60
 156 #define KS_GAMMAD1  0x61
 157 #define KS_GAMMAD2  0x62
 158 #define KS_GAMMAD3  0x63
 159 #define KS_GAMMAD4  0x64
 160 #define KS_GAMMAD5  0x65
 161 #define KS_GAMMAD6  0x66
 162 #define KS_GAMMAD7  0x67
 163 #define KS_GAMMAD8  0x68
 164 #define KS_GAMMAD9  0x69
 165 #define KS_GAMMAD10 0x6a
 166 #define KS_GAMMAD11 0x6b
 167 #define KS_GAMMAD12 0x6c
 168 #define KS_GAMMAD13 0x6d
 169 #define KS_GAMMAD14 0x6e
 170 #define KS_GAMMAD15 0x6f
 171 #define KS_GAMMAD16 0x70
 172 #define KS_GAMMAD17 0x71
 173 #define KS_GAMMAD18 0x72
 174 #define KS_GAMMAD19 0x73
 175 #define KS_GAMMAD20 0x74
 176 #define KS_GAMMAD21 0x75
 177 #define KS_GAMMAD22 0x76
 178 #define KS_GAMMAD23 0x77
 179 #define KS_GAMMAD24 0x78
 180 #define KS_GAMMAD25 0x79
 181 #define KS_GAMMAD26 0x7a
 182 #define KS_GAMMAD27 0x7b
 183 #define KS_GAMMAD28 0x7c
 184 #define KS_GAMMAD29 0x7d
 185 #define KS_GAMMAD30 0x7e
 186 #define KS_GAMMAD31 0x7f
 187
 188
 189 /****************************************************************************
 190 * mga_dev : represents one ks0127 chip.
 191 ****************************************************************************/
 192
 193 struct adjust {
 194         int     contrast;
 195         int     bright;
 196         int     hue;
 197         int     ugain;
 198         int     vgain;
 199 };
 200
 201 struct ks0127 {
 202         struct v4l2_subdev sd;
 203         v4l2_std_id     norm;
 204         int             ident;
 205         u8              regs[256];
 206 };
 207
 208 static inline struct ks0127 *to_ks0127(struct v4l2_subdev *sd)
 209 {
 210         return container_of(sd, struct ks0127, sd);
 211 }
 212
 213
 214 static int debug; /* insmod parameter */
 215
 216 module_param(debug, int, 0);
 217 MODULE_PARM_DESC(debug, "Debug output");
 218
 219 static u8 reg_defaults[64];
 220
 221 static void init_reg_defaults(void)
 222 {
 223         static int initialized;
 224         u8 *table = reg_defaults;
 225
 226         if (initialized)
 227                 return;
 228         initialized = 1;
 229
 230         table[KS_CMDA]     = 0x2c;  /* VSE=0, CCIR 601, autodetect standard */
 231         table[KS_CMDB]     = 0x12;  /* VALIGN=0, AGC control and input */
 232         table[KS_CMDC]     = 0x00;  /* Test options */
 233         /* clock & input select, write 1 to PORTA */
 234         table[KS_CMDD]     = 0x01;
 235         table[KS_HAVB]     = 0x00;  /* HAV Start Control */
 236         table[KS_HAVE]     = 0x00;  /* HAV End Control */
 237         table[KS_HS1B]     = 0x10;  /* HS1 Start Control */
 238         table[KS_HS1E]     = 0x00;  /* HS1 End Control */
 239         table[KS_HS2B]     = 0x00;  /* HS2 Start Control */
 240         table[KS_HS2E]     = 0x00;  /* HS2 End Control */
 241         table[KS_AGC]      = 0x53;  /* Manual setting for AGC */
 242         table[KS_HXTRA]    = 0x00;  /* Extra Bits for HAV and HS1/2 */
 243         table[KS_CDEM]     = 0x00;  /* Chroma Demodulation Control */
 244         table[KS_PORTAB]   = 0x0f;  /* port B is input, port A output GPPORT */
 245         table[KS_LUMA]     = 0x01;  /* Luma control */
 246         table[KS_CON]      = 0x00;  /* Contrast Control */
 247         table[KS_BRT]      = 0x00;  /* Brightness Control */
 248         table[KS_CHROMA]   = 0x2a;  /* Chroma control A */
 249         table[KS_CHROMB]   = 0x90;  /* Chroma control B */
 250         table[KS_DEMOD]    = 0x00;  /* Chroma Demodulation Control & Status */
 251         table[KS_SAT]      = 0x00;  /* Color Saturation Control*/
 252         table[KS_HUE]      = 0x00;  /* Hue Control */
 253         table[KS_VERTIA]   = 0x00;  /* Vertical Processing Control A */
 254         /* Vertical Processing Control B, luma 1 line delayed */
 255         table[KS_VERTIB]   = 0x12;
 256         table[KS_VERTIC]   = 0x0b;  /* Vertical Processing Control C */
 257         table[KS_HSCLL]    = 0x00;  /* Horizontal Scaling Ratio Low */
 258         table[KS_HSCLH]    = 0x00;  /* Horizontal Scaling Ratio High */
 259         table[KS_VSCLL]    = 0x00;  /* Vertical Scaling Ratio Low */
 260         table[KS_VSCLH]    = 0x00;  /* Vertical Scaling Ratio High */
 261         /* 16 bit YCbCr 4:2:2 output; I can't make the bt866 like 8 bit /Sam */
 262         table[KS_OFMTA]    = 0x30;
 263         table[KS_OFMTB]    = 0x00;  /* Output Control B */
 264         /* VBI Decoder Control; 4bit fmt: avoid Y overflow */
 265         table[KS_VBICTL]   = 0x5d;
 266         table[KS_CCDAT2]   = 0x00;  /* Read Only register */
 267         table[KS_CCDAT1]   = 0x00;  /* Read Only register */
 268         table[KS_VBIL30]   = 0xa8;  /* VBI data decoding options */
 269         table[KS_VBIL74]   = 0xaa;  /* VBI data decoding options */
 270         table[KS_VBIL118]  = 0x2a;  /* VBI data decoding options */
 271         table[KS_VBIL1512] = 0x00;  /* VBI data decoding options */
 272         table[KS_TTFRAM]   = 0x00;  /* Teletext frame alignment pattern */
 273         table[KS_TESTA]    = 0x00;  /* test register, shouldn't be written */
 274         table[KS_UVOFFH]   = 0x00;  /* UV Offset Adjustment High */
 275         table[KS_UVOFFL]   = 0x00;  /* UV Offset Adjustment Low */
 276         table[KS_UGAIN]    = 0x00;  /* U Component Gain Adjustment */
 277         table[KS_VGAIN]    = 0x00;  /* V Component Gain Adjustment */
 278         table[KS_VAVB]     = 0x07;  /* VAV Begin */
 279         table[KS_VAVE]     = 0x00;  /* VAV End */
 280         table[KS_CTRACK]   = 0x00;  /* Chroma Tracking Control */
 281         table[KS_POLCTL]   = 0x41;  /* Timing Signal Polarity Control */
 282         table[KS_REFCOD]   = 0x80;  /* Reference Code Insertion Control */
 283         table[KS_INVALY]   = 0x10;  /* Invalid Y Code */
 284         table[KS_INVALU]   = 0x80;  /* Invalid U Code */
 285         table[KS_INVALV]   = 0x80;  /* Invalid V Code */
 286         table[KS_UNUSEY]   = 0x10;  /* Unused Y Code */
 287         table[KS_UNUSEU]   = 0x80;  /* Unused U Code */
 288         table[KS_UNUSEV]   = 0x80;  /* Unused V Code */
 289         table[KS_USRSAV]   = 0x00;  /* reserved */
 290         table[KS_USREAV]   = 0x00;  /* reserved */
 291         table[KS_SHS1A]    = 0x00;  /* User Defined SHS1 A */
 292         /* User Defined SHS1 B, ALT656=1 on 0127B */
 293         table[KS_SHS1B]    = 0x80;
 294         table[KS_SHS1C]    = 0x00;  /* User Defined SHS1 C */
 295         table[KS_CMDE]     = 0x00;  /* Command Register E */
 296         table[KS_VSDEL]    = 0x00;  /* VS Delay Control */
 297         /* Command Register F, update -immediately- */
 298         /* (there might come no vsync)*/
 299         table[KS_CMDF]     = 0x02;
 300 }
 301
 302
 303 /* We need to manually read because of a bug in the KS0127 chip.
 304  *
 305  * An explanation from kayork@mail.utexas.edu:
 306  *
 307  * During I2C reads, the KS0127 only samples for a stop condition
 308  * during the place where the acknowledge bit should be. Any standard
 309  * I2C implementation (correctly) throws in another clock transition
 310  * at the 9th bit, and the KS0127 will not recognize the stop condition
 311  * and will continue to clock out data.
 312  *
 313  * So we have to do the read ourself.  Big deal.
 314  *         workaround in i2c-algo-bit
 315  */
 316
 317
 318 static u8 ks0127_read(struct v4l2_subdev *sd, u8 reg)
 319 {
 320         struct i2c_client *client = v4l2_get_subdevdata(sd);
 321         char val = 0;
 322         struct i2c_msg msgs[] = {
 323                 { client->addr, 0, sizeof(reg), &reg },
 324                 { client->addr, I2C_M_RD | I2C_M_NO_RD_ACK, sizeof(val), &val }
 325         };
 326         int ret;
 327
 328         ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
 329         if (ret != ARRAY_SIZE(msgs))
 330                 v4l2_dbg(1, debug, sd, "read error\n");
 331
 332         return val;
 333 }
 334
 335
 336 static void ks0127_write(struct v4l2_subdev *sd, u8 reg, u8 val)
 337 {
 338         struct i2c_client *client = v4l2_get_subdevdata(sd);
 339         struct ks0127 *ks = to_ks0127(sd);
 340         char msg[] = { reg, val };
 341
 342         if (i2c_master_send(client, msg, sizeof(msg)) != sizeof(msg))
 343                 v4l2_dbg(1, debug, sd, "write error\n");
 344
 345         ks->regs[reg] = val;
 346 }
 347
 348
 349 /* generic bit-twiddling */
 350 static void ks0127_and_or(struct v4l2_subdev *sd, u8 reg, u8 and_v, u8 or_v)
 351 {
 352         struct ks0127 *ks = to_ks0127(sd);
 353
 354         u8 val = ks->regs[reg];
 355         val = (val & and_v) | or_v;
 356         ks0127_write(sd, reg, val);
 357 }
 358
 359
 360
 361 /****************************************************************************
 362 * ks0127 private api
 363 ****************************************************************************/
 364 static void ks0127_init(struct v4l2_subdev *sd)
 365 {
 366         struct ks0127 *ks = to_ks0127(sd);
 367         u8 *table = reg_defaults;
 368         int i;
 369
 370         ks->ident = V4L2_IDENT_KS0127;
 371
 372         v4l2_dbg(1, debug, sd, "reset\n");
 373         msleep(1);
 374
 375         /* initialize all registers to known values */
 376         /* (except STAT, 0x21, 0x22, TEST and 0x38,0x39) */
 377
 378         for (i = 1; i < 33; i++)
 379                 ks0127_write(sd, i, table[i]);
 380
 381         for (i = 35; i < 40; i++)
 382                 ks0127_write(sd, i, table[i]);
 383
 384         for (i = 41; i < 56; i++)
 385                 ks0127_write(sd, i, table[i]);
 386
 387         for (i = 58; i < 64; i++)
 388                 ks0127_write(sd, i, table[i]);
 389
 390
 391         if ((ks0127_read(sd, KS_STAT) & 0x80) == 0) {
 392                 ks->ident = V4L2_IDENT_KS0122S;
 393                 v4l2_dbg(1, debug, sd, "ks0122s found\n");
 394                 return;
 395         }
 396
 397         switch (ks0127_read(sd, KS_CMDE) & 0x0f) {
 398         case 0:
 399                 v4l2_dbg(1, debug, sd, "ks0127 found\n");
 400                 break;
 401
 402         case 9:
 403                 ks->ident = V4L2_IDENT_KS0127B;
 404                 v4l2_dbg(1, debug, sd, "ks0127B Revision A found\n");
 405                 break;
 406
 407         default:
 408                 v4l2_dbg(1, debug, sd, "unknown revision\n");
 409                 break;
 410         }
 411 }
 412
 413 static int ks0127_s_routing(struct v4l2_subdev *sd,
 414                             u32 input, u32 output, u32 config)
 415 {
 416         struct ks0127 *ks = to_ks0127(sd);
 417
 418         switch (input) {
 419         case KS_INPUT_COMPOSITE_1:
 420         case KS_INPUT_COMPOSITE_2:
 421         case KS_INPUT_COMPOSITE_3:
 422         case KS_INPUT_COMPOSITE_4:
 423         case KS_INPUT_COMPOSITE_5:
 424         case KS_INPUT_COMPOSITE_6:
 425                 v4l2_dbg(1, debug, sd,
 426                         "s_routing %d: Composite\n", input);
 427                 /* autodetect 50/60 Hz */
 428                 ks0127_and_or(sd, KS_CMDA,   0xfc, 0x00);
 429                 /* VSE=0 */
 430                 ks0127_and_or(sd, KS_CMDA,   ~0x40, 0x00);
 431                 /* set input line */
 432                 ks0127_and_or(sd, KS_CMDB,   0xb0, input);
 433                 /* non-freerunning mode */
 434                 ks0127_and_or(sd, KS_CMDC,   0x70, 0x0a);
 435                 /* analog input */
 436                 ks0127_and_or(sd, KS_CMDD,   0x03, 0x00);
 437                 /* enable chroma demodulation */
 438                 ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00);
 439                 /* chroma trap, HYBWR=1 */
 440                 ks0127_and_or(sd, KS_LUMA,   0x00,
 441                                (reg_defaults[KS_LUMA])|0x0c);
 442                 /* scaler fullbw, luma comb off */
 443                 ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81);
 444                 /* manual chroma comb .25 .5 .25 */
 445                 ks0127_and_or(sd, KS_VERTIC, 0x0f, 0x90);
 446
 447                 /* chroma path delay */
 448                 ks0127_and_or(sd, KS_CHROMB, 0x0f, 0x90);
 449
 450                 ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]);
 451                 ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]);
 452                 ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
 453                 ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
 454                 break;
 455
 456         case KS_INPUT_SVIDEO_1:
 457         case KS_INPUT_SVIDEO_2:
 458         case KS_INPUT_SVIDEO_3:
 459                 v4l2_dbg(1, debug, sd,
 460                         "s_routing %d: S-Video\n", input);
 461                 /* autodetect 50/60 Hz */
 462                 ks0127_and_or(sd, KS_CMDA,   0xfc, 0x00);
 463                 /* VSE=0 */
 464                 ks0127_and_or(sd, KS_CMDA,   ~0x40, 0x00);
 465                 /* set input line */
 466                 ks0127_and_or(sd, KS_CMDB,   0xb0, input);
 467                 /* non-freerunning mode */
 468                 ks0127_and_or(sd, KS_CMDC,   0x70, 0x0a);
 469                 /* analog input */
 470                 ks0127_and_or(sd, KS_CMDD,   0x03, 0x00);
 471                 /* enable chroma demodulation */
 472                 ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x00);
 473                 ks0127_and_or(sd, KS_LUMA, 0x00,
 474                                reg_defaults[KS_LUMA]);
 475                 /* disable luma comb */
 476                 ks0127_and_or(sd, KS_VERTIA, 0x08,
 477                                (reg_defaults[KS_VERTIA]&0xf0)|0x01);
 478                 ks0127_and_or(sd, KS_VERTIC, 0x0f,
 479                                reg_defaults[KS_VERTIC]&0xf0);
 480
 481                 ks0127_and_or(sd, KS_CHROMB, 0x0f,
 482                                reg_defaults[KS_CHROMB]&0xf0);
 483
 484                 ks0127_write(sd, KS_UGAIN, reg_defaults[KS_UGAIN]);
 485                 ks0127_write(sd, KS_VGAIN, reg_defaults[KS_VGAIN]);
 486                 ks0127_write(sd, KS_UVOFFH, reg_defaults[KS_UVOFFH]);
 487                 ks0127_write(sd, KS_UVOFFL, reg_defaults[KS_UVOFFL]);
 488                 break;
 489
 490         case KS_INPUT_YUV656:
 491                 v4l2_dbg(1, debug, sd, "s_routing 15: YUV656\n");
 492                 if (ks->norm & V4L2_STD_525_60)
 493                         /* force 60 Hz */
 494                         ks0127_and_or(sd, KS_CMDA,   0xfc, 0x03);
 495                 else
 496                         /* force 50 Hz */
 497                         ks0127_and_or(sd, KS_CMDA,   0xfc, 0x02);
 498
 499                 ks0127_and_or(sd, KS_CMDA,   0xff, 0x40); /* VSE=1 */
 500                 /* set input line and VALIGN */
 501                 ks0127_and_or(sd, KS_CMDB,   0xb0, (input | 0x40));
 502                 /* freerunning mode, */
 503                 /* TSTGEN = 1 TSTGFR=11 TSTGPH=0 TSTGPK=0  VMEM=1*/
 504                 ks0127_and_or(sd, KS_CMDC,   0x70, 0x87);
 505                 /* digital input, SYNDIR = 0 INPSL=01 CLKDIR=0 EAV=0 */
 506                 ks0127_and_or(sd, KS_CMDD,   0x03, 0x08);
 507                 /* disable chroma demodulation */
 508                 ks0127_and_or(sd, KS_CTRACK, 0xcf, 0x30);
 509                 /* HYPK =01 CTRAP = 0 HYBWR=0 PED=1 RGBH=1 UNIT=1 */
 510                 ks0127_and_or(sd, KS_LUMA,   0x00, 0x71);
 511                 ks0127_and_or(sd, KS_VERTIC, 0x0f,
 512                                reg_defaults[KS_VERTIC]&0xf0);
 513
 514                 /* scaler fullbw, luma comb off */
 515                 ks0127_and_or(sd, KS_VERTIA, 0x08, 0x81);
 516
 517                 ks0127_and_or(sd, KS_CHROMB, 0x0f,
 518                                reg_defaults[KS_CHROMB]&0xf0);
 519
 520                 ks0127_and_or(sd, KS_CON, 0x00, 0x00);
 521                 ks0127_and_or(sd, KS_BRT, 0x00, 32);    /* spec: 34 */
 522                         /* spec: 229 (e5) */
 523                 ks0127_and_or(sd, KS_SAT, 0x00, 0xe8);
 524                 ks0127_and_or(sd, KS_HUE, 0x00, 0);
 525
 526                 ks0127_and_or(sd, KS_UGAIN, 0x00, 238);
 527                 ks0127_and_or(sd, KS_VGAIN, 0x00, 0x00);
 528
 529                 /*UOFF:0x30, VOFF:0x30, TSTCGN=1 */
 530                 ks0127_and_or(sd, KS_UVOFFH, 0x00, 0x4f);
 531                 ks0127_and_or(sd, KS_UVOFFL, 0x00, 0x00);
 532                 break;
 533
 534         default:
 535                 v4l2_dbg(1, debug, sd,
 536                         "s_routing: Unknown input %d\n", input);
 537                 break;
 538         }
 539
 540         /* hack: CDMLPF sometimes spontaneously switches on; */
 541         /* force back off */
 542         ks0127_write(sd, KS_DEMOD, reg_defaults[KS_DEMOD]);
 543         return 0;
 544 }
 545
 546 static int ks0127_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 547 {
 548         struct ks0127 *ks = to_ks0127(sd);
 549
 550         /* Set to automatic SECAM/Fsc mode */
 551         ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00);
 552
 553         ks->norm = std;
 554         if (std & V4L2_STD_NTSC) {
 555                 v4l2_dbg(1, debug, sd,
 556                         "s_std: NTSC_M\n");
 557                 ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20);
 558         } else if (std & V4L2_STD_PAL_N) {
 559                 v4l2_dbg(1, debug, sd,
 560                         "s_std: NTSC_N (fixme)\n");
 561                 ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40);
 562         } else if (std & V4L2_STD_PAL) {
 563                 v4l2_dbg(1, debug, sd,
 564                         "s_std: PAL_N\n");
 565                 ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x20);
 566         } else if (std & V4L2_STD_PAL_M) {
 567                 v4l2_dbg(1, debug, sd,
 568                         "s_std: PAL_M (fixme)\n");
 569                 ks0127_and_or(sd, KS_CHROMA, 0x9f, 0x40);
 570         } else if (std & V4L2_STD_SECAM) {
 571                 v4l2_dbg(1, debug, sd,
 572                         "s_std: SECAM\n");
 573
 574                 /* set to secam autodetection */
 575                 ks0127_and_or(sd, KS_CHROMA, 0xdf, 0x20);
 576                 ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x00);
 577                 schedule_timeout_interruptible(HZ/10+1);
 578
 579                 /* did it autodetect? */
 580                 if (!(ks0127_read(sd, KS_DEMOD) & 0x40))
 581                         /* force to secam mode */
 582                         ks0127_and_or(sd, KS_DEMOD, 0xf0, 0x0f);
 583         } else {
 584                 v4l2_dbg(1, debug, sd, "s_std: Unknown norm %llx\n",
 585                                (unsigned long long)std);
 586         }
 587         return 0;
 588 }
 589
 590 static int ks0127_s_stream(struct v4l2_subdev *sd, int enable)
 591 {
 592         v4l2_dbg(1, debug, sd, "s_stream(%d)\n", enable);
 593         if (enable) {
 594                 /* All output pins on */
 595                 ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x30);
 596                 /* Obey the OEN pin */
 597                 ks0127_and_or(sd, KS_CDEM, 0x7f, 0x00);
 598         } else {
 599                 /* Video output pins off */
 600                 ks0127_and_or(sd, KS_OFMTA, 0xcf, 0x00);
 601                 /* Ignore the OEN pin */
 602                 ks0127_and_or(sd, KS_CDEM, 0x7f, 0x80);
 603         }
 604         return 0;
 605 }
 606
 607 static int ks0127_status(struct v4l2_subdev *sd, u32 *pstatus, v4l2_std_id *pstd)
 608 {
 609         int stat = V4L2_IN_ST_NO_SIGNAL;
 610         u8 status;
 611         v4l2_std_id std = V4L2_STD_ALL;
 612
 613         status = ks0127_read(sd, KS_STAT);
 614         if (!(status & 0x20))            /* NOVID not set */
 615                 stat = 0;
 616         if (!(status & 0x01))                 /* CLOCK set */
 617                 stat |= V4L2_IN_ST_NO_COLOR;
 618         if ((status & 0x08))               /* PALDET set */
 619                 std = V4L2_STD_PAL;
 620         else
 621                 std = V4L2_STD_NTSC;
 622         if (pstd)
 623                 *pstd = std;
 624         if (pstatus)
 625                 *pstatus = stat;
 626         return 0;
 627 }
 628
 629 static int ks0127_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 630 {
 631         v4l2_dbg(1, debug, sd, "querystd\n");
 632         return ks0127_status(sd, NULL, std);
 633 }
 634
 635 static int ks0127_g_input_status(struct v4l2_subdev *sd, u32 *status)
 636 {
 637         v4l2_dbg(1, debug, sd, "g_input_status\n");
 638         return ks0127_status(sd, status, NULL);
 639 }
 640
 641 static int ks0127_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
 642 {
 643         struct i2c_client *client = v4l2_get_subdevdata(sd);
 644         struct ks0127 *ks = to_ks0127(sd);
 645
 646         return v4l2_chip_ident_i2c_client(client, chip, ks->ident, 0);
 647 }
 648
 649 /* ----------------------------------------------------------------------- */
 650
 651 static const struct v4l2_subdev_core_ops ks0127_core_ops = {
 652         .g_chip_ident = ks0127_g_chip_ident,
 653         .s_std = ks0127_s_std,
 654 };
 655
 656 static const struct v4l2_subdev_video_ops ks0127_video_ops = {
 657         .s_routing = ks0127_s_routing,
 658         .s_stream = ks0127_s_stream,
 659         .querystd = ks0127_querystd,
 660         .g_input_status = ks0127_g_input_status,
 661 };
 662
 663 static const struct v4l2_subdev_ops ks0127_ops = {
 664         .core = &ks0127_core_ops,
 665         .video = &ks0127_video_ops,
 666 };
 667
 668 /* ----------------------------------------------------------------------- */
 669
 670
 671 static int ks0127_probe(struct i2c_client *client, const struct i2c_device_id *id)
 672 {
 673         struct ks0127 *ks;
 674         struct v4l2_subdev *sd;
 675
 676         v4l_info(client, "%s chip found @ 0x%x (%s)\n",
 677                 client->addr == (I2C_KS0127_ADDON >> 1) ? "addon" : "on-board",
 678                 client->addr << 1, client->adapter->name);
 679
 680         ks = kzalloc(sizeof(*ks), GFP_KERNEL);
 681         if (ks == NULL)
 682                 return -ENOMEM;
 683         sd = &ks->sd;
 684         v4l2_i2c_subdev_init(sd, client, &ks0127_ops);
 685
 686         /* power up */
 687         init_reg_defaults();
 688         ks0127_write(sd, KS_CMDA, 0x2c);
 689         mdelay(10);
 690
 691         /* reset the device */
 692         ks0127_init(sd);
 693         return 0;
 694 }
 695
 696 static int ks0127_remove(struct i2c_client *client)
 697 {
 698         struct v4l2_subdev *sd = i2c_get_clientdata(client);
 699
 700         v4l2_device_unregister_subdev(sd);
 701         ks0127_write(sd, KS_OFMTA, 0x20); /* tristate */
 702         ks0127_write(sd, KS_CMDA, 0x2c | 0x80); /* power down */
 703         kfree(to_ks0127(sd));
 704         return 0;
 705 }
 706
 707 static const struct i2c_device_id ks0127_id[] = {
 708         { "ks0127", 0 },
 709         { "ks0127b", 0 },
 710         { "ks0122s", 0 },
 711         { }
 712 };
 713 MODULE_DEVICE_TABLE(i2c, ks0127_id);
 714
 715 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
 716         .name = "ks0127",
 717         .probe = ks0127_probe,
 718         .remove = ks0127_remove,
 719         .id_table = ks0127_id,
 720 };