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   1 /*
   2  * tvp5150 - Texas Instruments TVP5150A(M) video decoder driver
   3  *
   4  * Copyright (c) 2005 Mauro Carvalho Chehab (mchehab@brturbo.com.br)
   5  * This code is placed under the terms of the GNU General Public License
   6  */
   7
   8 #include <linux/i2c.h>
   9 #include <linux/videodev.h>
  10 #include <linux/delay.h>
  11 #include <linux/video_decoder.h>
  12 #include <media/v4l2-common.h>
  13
  14 #include "tvp5150_reg.h"
  15
  16 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");  /* standard i2c insmod options */
  17 MODULE_AUTHOR("Mauro Carvalho Chehab");
  18 MODULE_LICENSE("GPL");
  19
  20 static unsigned short normal_i2c[] = {
  21         0xb8 >> 1,
  22         0xba >> 1,
  23         I2C_CLIENT_END
  24 };
  25
  26 I2C_CLIENT_INSMOD;
  27
  28 static int debug = 0;
  29 module_param(debug, int, 0);
  30 MODULE_PARM_DESC(debug, "Debug level (0-1)");
  31
  32 #define tvp5150_info(fmt, arg...) do { \
  33         printk(KERN_INFO "%s %d-%04x: " fmt, c->driver->driver.name, \
  34                i2c_adapter_id(c->adapter), c->addr , ## arg); } while (0)
  35 #define tvp5150_dbg(num, fmt, arg...) \
  36         do { \
  37                 if (debug >= num) \
  38                         printk(KERN_DEBUG "%s debug %d-%04x: " fmt,\
  39                                 c->driver->driver.name, \
  40                                 i2c_adapter_id(c->adapter), \
  41                                 c->addr , ## arg); } while (0)
  42
  43 /* supported controls */
  44 static struct v4l2_queryctrl tvp5150_qctrl[] = {
  45         {
  46                 .id = V4L2_CID_BRIGHTNESS,
  47                 .type = V4L2_CTRL_TYPE_INTEGER,
  48                 .name = "Brightness",
  49                 .minimum = 0,
  50                 .maximum = 255,
  51                 .step = 1,
  52                 .default_value = 0,
  53                 .flags = 0,
  54         }, {
  55                 .id = V4L2_CID_CONTRAST,
  56                 .type = V4L2_CTRL_TYPE_INTEGER,
  57                 .name = "Contrast",
  58                 .minimum = 0,
  59                 .maximum = 255,
  60                 .step = 0x1,
  61                 .default_value = 0x10,
  62                 .flags = 0,
  63         }, {
  64                  .id = V4L2_CID_SATURATION,
  65                  .type = V4L2_CTRL_TYPE_INTEGER,
  66                  .name = "Saturation",
  67                  .minimum = 0,
  68                  .maximum = 255,
  69                  .step = 0x1,
  70                  .default_value = 0x10,
  71                  .flags = 0,
  72         }, {
  73                 .id = V4L2_CID_HUE,
  74                 .type = V4L2_CTRL_TYPE_INTEGER,
  75                 .name = "Hue",
  76                 .minimum = -128,
  77                 .maximum = 127,
  78                 .step = 0x1,
  79                 .default_value = 0x10,
  80                 .flags = 0,
  81         }
  82 };
  83
  84 struct tvp5150 {
  85         struct i2c_client *client;
  86
  87         int norm;
  88         int input;
  89         int enable;
  90         int bright;
  91         int contrast;
  92         int hue;
  93         int sat;
  94 };
  95
  96 static int tvp5150_read(struct i2c_client *c, unsigned char addr)
  97 {
  98         unsigned char buffer[1];
  99         int rc;
 100
 101         buffer[0] = addr;
 102         if (1 != (rc = i2c_master_send(c, buffer, 1)))
 103                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 104
 105         msleep(10);
 106
 107         if (1 != (rc = i2c_master_recv(c, buffer, 1)))
 108                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
 109
 110         tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
 111
 112         return (buffer[0]);
 113 }
 114
 115 static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
 116                                  unsigned char value)
 117 {
 118         unsigned char buffer[2];
 119         int rc;
 120
 121         buffer[0] = addr;
 122         buffer[1] = value;
 123         tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
 124         if (2 != (rc = i2c_master_send(c, buffer, 2)))
 125                 tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
 126 }
 127
 128 static void dump_reg(struct i2c_client *c)
 129 {
 130         printk("tvp5150: Video input source selection #1 = 0x%02x\n",
 131                tvp5150_read(c, TVP5150_VD_IN_SRC_SEL_1));
 132         printk("tvp5150: Analog channel controls = 0x%02x\n",
 133                tvp5150_read(c, TVP5150_ANAL_CHL_CTL));
 134         printk("tvp5150: Operation mode controls = 0x%02x\n",
 135                tvp5150_read(c, TVP5150_OP_MODE_CTL));
 136         printk("tvp5150: Miscellaneous controls = 0x%02x\n",
 137                tvp5150_read(c, TVP5150_MISC_CTL));
 138         printk("tvp5150: Autoswitch mask: TVP5150A / TVP5150AM = 0x%02x\n",
 139                tvp5150_read(c, TVP5150_AUTOSW_MSK));
 140         printk("tvp5150: Color killer threshold control = 0x%02x\n",
 141                tvp5150_read(c, TVP5150_COLOR_KIL_THSH_CTL));
 142         printk("tvp5150: Luminance processing control #1 = 0x%02x\n",
 143                tvp5150_read(c, TVP5150_LUMA_PROC_CTL_1));
 144         printk("tvp5150: Luminance processing control #2 = 0x%02x\n",
 145                tvp5150_read(c, TVP5150_LUMA_PROC_CTL_2));
 146         printk("tvp5150: Brightness control = 0x%02x\n",
 147                tvp5150_read(c, TVP5150_BRIGHT_CTL));
 148         printk("tvp5150: Color saturation control = 0x%02x\n",
 149                tvp5150_read(c, TVP5150_SATURATION_CTL));
 150         printk("tvp5150: Hue control = 0x%02x\n",
 151                tvp5150_read(c, TVP5150_HUE_CTL));
 152         printk("tvp5150: Contrast control = 0x%02x\n",
 153                tvp5150_read(c, TVP5150_CONTRAST_CTL));
 154         printk("tvp5150: Outputs and data rates select = 0x%02x\n",
 155                tvp5150_read(c, TVP5150_DATA_RATE_SEL));
 156         printk("tvp5150: Luminance processing control #3 = 0x%02x\n",
 157                tvp5150_read(c, TVP5150_LUMA_PROC_CTL_3));
 158         printk("tvp5150: Configuration shared pins = 0x%02x\n",
 159                tvp5150_read(c, TVP5150_CONF_SHARED_PIN));
 160         printk("tvp5150: Active video cropping start MSB = 0x%02x\n",
 161                tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_MSB));
 162         printk("tvp5150: Active video cropping start LSB = 0x%02x\n",
 163                tvp5150_read(c, TVP5150_ACT_VD_CROP_ST_LSB));
 164         printk("tvp5150: Active video cropping stop MSB = 0x%02x\n",
 165                tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_MSB));
 166         printk("tvp5150: Active video cropping stop LSB = 0x%02x\n",
 167                tvp5150_read(c, TVP5150_ACT_VD_CROP_STP_LSB));
 168         printk("tvp5150: Genlock/RTC = 0x%02x\n",
 169                tvp5150_read(c, TVP5150_GENLOCK));
 170         printk("tvp5150: Horizontal sync start = 0x%02x\n",
 171                tvp5150_read(c, TVP5150_HORIZ_SYNC_START));
 172         printk("tvp5150: Vertical blanking start = 0x%02x\n",
 173                tvp5150_read(c, TVP5150_VERT_BLANKING_START));
 174         printk("tvp5150: Vertical blanking stop = 0x%02x\n",
 175                tvp5150_read(c, TVP5150_VERT_BLANKING_STOP));
 176         printk("tvp5150: Chrominance processing control #1 = 0x%02x\n",
 177                tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_1));
 178         printk("tvp5150: Chrominance processing control #2 = 0x%02x\n",
 179                tvp5150_read(c, TVP5150_CHROMA_PROC_CTL_2));
 180         printk("tvp5150: Interrupt reset register B = 0x%02x\n",
 181                tvp5150_read(c, TVP5150_INT_RESET_REG_B));
 182         printk("tvp5150: Interrupt enable register B = 0x%02x\n",
 183                tvp5150_read(c, TVP5150_INT_ENABLE_REG_B));
 184         printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
 185                tvp5150_read(c, TVP5150_INTT_CONFIG_REG_B));
 186         printk("tvp5150: Video standard = 0x%02x\n",
 187                tvp5150_read(c, TVP5150_VIDEO_STD));
 188         printk("tvp5150: Cb gain factor = 0x%02x\n",
 189                tvp5150_read(c, TVP5150_CB_GAIN_FACT));
 190         printk("tvp5150: Cr gain factor = 0x%02x\n",
 191                tvp5150_read(c, TVP5150_CR_GAIN_FACTOR));
 192         printk("tvp5150: Macrovision on counter = 0x%02x\n",
 193                tvp5150_read(c, TVP5150_MACROVISION_ON_CTR));
 194         printk("tvp5150: Macrovision off counter = 0x%02x\n",
 195                tvp5150_read(c, TVP5150_MACROVISION_OFF_CTR));
 196         printk("tvp5150: revision select (TVP5150AM1 only) = 0x%02x\n",
 197                tvp5150_read(c, TVP5150_REV_SELECT));
 198         printk("tvp5150: MSB of device ID = 0x%02x\n",
 199                tvp5150_read(c, TVP5150_MSB_DEV_ID));
 200         printk("tvp5150: LSB of device ID = 0x%02x\n",
 201                tvp5150_read(c, TVP5150_LSB_DEV_ID));
 202         printk("tvp5150: ROM major version = 0x%02x\n",
 203                tvp5150_read(c, TVP5150_ROM_MAJOR_VER));
 204         printk("tvp5150: ROM minor version = 0x%02x\n",
 205                tvp5150_read(c, TVP5150_ROM_MINOR_VER));
 206         printk("tvp5150: Vertical line count MSB = 0x%02x\n",
 207                tvp5150_read(c, TVP5150_VERT_LN_COUNT_MSB));
 208         printk("tvp5150: Vertical line count LSB = 0x%02x\n",
 209                tvp5150_read(c, TVP5150_VERT_LN_COUNT_LSB));
 210         printk("tvp5150: Interrupt status register B = 0x%02x\n",
 211                tvp5150_read(c, TVP5150_INT_STATUS_REG_B));
 212         printk("tvp5150: Interrupt active register B = 0x%02x\n",
 213                tvp5150_read(c, TVP5150_INT_ACTIVE_REG_B));
 214         printk("tvp5150: Status register #1 = 0x%02x\n",
 215                tvp5150_read(c, TVP5150_STATUS_REG_1));
 216         printk("tvp5150: Status register #2 = 0x%02x\n",
 217                tvp5150_read(c, TVP5150_STATUS_REG_2));
 218         printk("tvp5150: Status register #3 = 0x%02x\n",
 219                tvp5150_read(c, TVP5150_STATUS_REG_3));
 220         printk("tvp5150: Status register #4 = 0x%02x\n",
 221                tvp5150_read(c, TVP5150_STATUS_REG_4));
 222         printk("tvp5150: Status register #5 = 0x%02x\n",
 223                tvp5150_read(c, TVP5150_STATUS_REG_5));
 224         printk("tvp5150: Closed caption data registers = 0x%02x\n",
 225                tvp5150_read(c, TVP5150_CC_DATA_REG1));
 226         printk("tvp5150: Closed caption data registers = 0x%02x\n",
 227                tvp5150_read(c, TVP5150_CC_DATA_REG2));
 228         printk("tvp5150: Closed caption data registers = 0x%02x\n",
 229                tvp5150_read(c, TVP5150_CC_DATA_REG3));
 230         printk("tvp5150: Closed caption data registers = 0x%02x\n",
 231                tvp5150_read(c, TVP5150_CC_DATA_REG4));
 232         printk("tvp5150: WSS data registers = 0x%02x\n",
 233                tvp5150_read(c, TVP5150_WSS_DATA_REG1));
 234         printk("tvp5150: WSS data registers = 0x%02x\n",
 235                tvp5150_read(c, TVP5150_WSS_DATA_REG2));
 236         printk("tvp5150: WSS data registers = 0x%02x\n",
 237                tvp5150_read(c, TVP5150_WSS_DATA_REG3));
 238         printk("tvp5150: WSS data registers = 0x%02x\n",
 239                tvp5150_read(c, TVP5150_WSS_DATA_REG4));
 240         printk("tvp5150: WSS data registers = 0x%02x\n",
 241                tvp5150_read(c, TVP5150_WSS_DATA_REG5));
 242         printk("tvp5150: WSS data registers = 0x%02x\n",
 243                tvp5150_read(c, TVP5150_WSS_DATA_REG6));
 244         printk("tvp5150: VPS data registers = 0x%02x\n",
 245                tvp5150_read(c, TVP5150_VPS_DATA_REG1));
 246         printk("tvp5150: VPS data registers = 0x%02x\n",
 247                tvp5150_read(c, TVP5150_VPS_DATA_REG2));
 248         printk("tvp5150: VPS data registers = 0x%02x\n",
 249                tvp5150_read(c, TVP5150_VPS_DATA_REG3));
 250         printk("tvp5150: VPS data registers = 0x%02x\n",
 251                tvp5150_read(c, TVP5150_VPS_DATA_REG4));
 252         printk("tvp5150: VPS data registers = 0x%02x\n",
 253                tvp5150_read(c, TVP5150_VPS_DATA_REG5));
 254         printk("tvp5150: VPS data registers = 0x%02x\n",
 255                tvp5150_read(c, TVP5150_VPS_DATA_REG6));
 256         printk("tvp5150: VPS data registers = 0x%02x\n",
 257                tvp5150_read(c, TVP5150_VPS_DATA_REG7));
 258         printk("tvp5150: VPS data registers = 0x%02x\n",
 259                tvp5150_read(c, TVP5150_VPS_DATA_REG8));
 260         printk("tvp5150: VPS data registers = 0x%02x\n",
 261                tvp5150_read(c, TVP5150_VPS_DATA_REG9));
 262         printk("tvp5150: VPS data registers = 0x%02x\n",
 263                tvp5150_read(c, TVP5150_VPS_DATA_REG10));
 264         printk("tvp5150: VPS data registers = 0x%02x\n",
 265                tvp5150_read(c, TVP5150_VPS_DATA_REG11));
 266         printk("tvp5150: VPS data registers = 0x%02x\n",
 267                tvp5150_read(c, TVP5150_VPS_DATA_REG12));
 268         printk("tvp5150: VPS data registers = 0x%02x\n",
 269                tvp5150_read(c, TVP5150_VPS_DATA_REG13));
 270         printk("tvp5150: VITC data registers = 0x%02x\n",
 271                tvp5150_read(c, TVP5150_VITC_DATA_REG1));
 272         printk("tvp5150: VITC data registers = 0x%02x\n",
 273                tvp5150_read(c, TVP5150_VITC_DATA_REG2));
 274         printk("tvp5150: VITC data registers = 0x%02x\n",
 275                tvp5150_read(c, TVP5150_VITC_DATA_REG3));
 276         printk("tvp5150: VITC data registers = 0x%02x\n",
 277                tvp5150_read(c, TVP5150_VITC_DATA_REG4));
 278         printk("tvp5150: VITC data registers = 0x%02x\n",
 279                tvp5150_read(c, TVP5150_VITC_DATA_REG5));
 280         printk("tvp5150: VITC data registers = 0x%02x\n",
 281                tvp5150_read(c, TVP5150_VITC_DATA_REG6));
 282         printk("tvp5150: VITC data registers = 0x%02x\n",
 283                tvp5150_read(c, TVP5150_VITC_DATA_REG7));
 284         printk("tvp5150: VITC data registers = 0x%02x\n",
 285                tvp5150_read(c, TVP5150_VITC_DATA_REG8));
 286         printk("tvp5150: VITC data registers = 0x%02x\n",
 287                tvp5150_read(c, TVP5150_VITC_DATA_REG9));
 288         printk("tvp5150: VBI FIFO read data = 0x%02x\n",
 289                tvp5150_read(c, TVP5150_VBI_FIFO_READ_DATA));
 290         printk("tvp5150: Teletext filter 1 = 0x%02x\n",
 291                tvp5150_read(c, TVP5150_TELETEXT_FIL_1_1));
 292         printk("tvp5150: Teletext filter 1 = 0x%02x\n",
 293                tvp5150_read(c, TVP5150_TELETEXT_FIL_1_2));
 294         printk("tvp5150: Teletext filter 1 = 0x%02x\n",
 295                tvp5150_read(c, TVP5150_TELETEXT_FIL_1_3));
 296         printk("tvp5150: Teletext filter 1 = 0x%02x\n",
 297                tvp5150_read(c, TVP5150_TELETEXT_FIL_1_4));
 298         printk("tvp5150: Teletext filter 1 = 0x%02x\n",
 299                tvp5150_read(c, TVP5150_TELETEXT_FIL_1_5));
 300         printk("tvp5150: Teletext filter 2 = 0x%02x\n",
 301                tvp5150_read(c, TVP5150_TELETEXT_FIL_2_1));
 302         printk("tvp5150: Teletext filter 2 = 0x%02x\n",
 303                tvp5150_read(c, TVP5150_TELETEXT_FIL_2_2));
 304         printk("tvp5150: Teletext filter 2 = 0x%02x\n",
 305                tvp5150_read(c, TVP5150_TELETEXT_FIL_2_3));
 306         printk("tvp5150: Teletext filter 2 = 0x%02x\n",
 307                tvp5150_read(c, TVP5150_TELETEXT_FIL_2_4));
 308         printk("tvp5150: Teletext filter 2 = 0x%02x\n",
 309                tvp5150_read(c, TVP5150_TELETEXT_FIL_2_5));
 310         printk("tvp5150: Teletext filter enable = 0x%02x\n",
 311                tvp5150_read(c, TVP5150_TELETEXT_FIL_ENA));
 312         printk("tvp5150: Interrupt status register A = 0x%02x\n",
 313                tvp5150_read(c, TVP5150_INT_STATUS_REG_A));
 314         printk("tvp5150: Interrupt enable register A = 0x%02x\n",
 315                tvp5150_read(c, TVP5150_INT_ENABLE_REG_A));
 316         printk("tvp5150: Interrupt configuration = 0x%02x\n",
 317                tvp5150_read(c, TVP5150_INT_CONF));
 318         printk("tvp5150: VDP configuration RAM data = 0x%02x\n",
 319                tvp5150_read(c, TVP5150_VDP_CONF_RAM_DATA));
 320         printk("tvp5150: Configuration RAM address low byte = 0x%02x\n",
 321                tvp5150_read(c, TVP5150_CONF_RAM_ADDR_LOW));
 322         printk("tvp5150: Configuration RAM address high byte = 0x%02x\n",
 323                tvp5150_read(c, TVP5150_CONF_RAM_ADDR_HIGH));
 324         printk("tvp5150: VDP status register = 0x%02x\n",
 325                tvp5150_read(c, TVP5150_VDP_STATUS_REG));
 326         printk("tvp5150: FIFO word count = 0x%02x\n",
 327                tvp5150_read(c, TVP5150_FIFO_WORD_COUNT));
 328         printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
 329                tvp5150_read(c, TVP5150_FIFO_INT_THRESHOLD));
 330         printk("tvp5150: FIFO reset = 0x%02x\n",
 331                tvp5150_read(c, TVP5150_FIFO_RESET));
 332         printk("tvp5150: Line number interrupt = 0x%02x\n",
 333                tvp5150_read(c, TVP5150_LINE_NUMBER_INT));
 334         printk("tvp5150: Pixel alignment register low byte = 0x%02x\n",
 335                tvp5150_read(c, TVP5150_PIX_ALIGN_REG_LOW));
 336         printk("tvp5150: Pixel alignment register high byte = 0x%02x\n",
 337                tvp5150_read(c, TVP5150_PIX_ALIGN_REG_HIGH));
 338         printk("tvp5150: FIFO output control = 0x%02x\n",
 339                tvp5150_read(c, TVP5150_FIFO_OUT_CTRL));
 340         printk("tvp5150: Full field enable 1 = 0x%02x\n",
 341                tvp5150_read(c, TVP5150_FULL_FIELD_ENA_1));
 342         printk("tvp5150: Full field enable 2 = 0x%02x\n",
 343                tvp5150_read(c, TVP5150_FULL_FIELD_ENA_2));
 344         printk("tvp5150: Line mode registers = 0x%02x\n",
 345                tvp5150_read(c, TVP5150_LINE_MODE_REG_1));
 346         printk("tvp5150: Line mode registers = 0x%02x\n",
 347                tvp5150_read(c, TVP5150_LINE_MODE_REG_2));
 348         printk("tvp5150: Line mode registers = 0x%02x\n",
 349                tvp5150_read(c, TVP5150_LINE_MODE_REG_3));
 350         printk("tvp5150: Line mode registers = 0x%02x\n",
 351                tvp5150_read(c, TVP5150_LINE_MODE_REG_4));
 352         printk("tvp5150: Line mode registers = 0x%02x\n",
 353                tvp5150_read(c, TVP5150_LINE_MODE_REG_5));
 354         printk("tvp5150: Line mode registers = 0x%02x\n",
 355                tvp5150_read(c, TVP5150_LINE_MODE_REG_6));
 356         printk("tvp5150: Line mode registers = 0x%02x\n",
 357                tvp5150_read(c, TVP5150_LINE_MODE_REG_7));
 358         printk("tvp5150: Line mode registers = 0x%02x\n",
 359                tvp5150_read(c, TVP5150_LINE_MODE_REG_8));
 360         printk("tvp5150: Line mode registers = 0x%02x\n",
 361                tvp5150_read(c, TVP5150_LINE_MODE_REG_9));
 362         printk("tvp5150: Line mode registers = 0x%02x\n",
 363                tvp5150_read(c, TVP5150_LINE_MODE_REG_10));
 364         printk("tvp5150: Line mode registers = 0x%02x\n",
 365                tvp5150_read(c, TVP5150_LINE_MODE_REG_11));
 366         printk("tvp5150: Line mode registers = 0x%02x\n",
 367                tvp5150_read(c, TVP5150_LINE_MODE_REG_12));
 368         printk("tvp5150: Line mode registers = 0x%02x\n",
 369                tvp5150_read(c, TVP5150_LINE_MODE_REG_13));
 370         printk("tvp5150: Line mode registers = 0x%02x\n",
 371                tvp5150_read(c, TVP5150_LINE_MODE_REG_14));
 372         printk("tvp5150: Line mode registers = 0x%02x\n",
 373                tvp5150_read(c, TVP5150_LINE_MODE_REG_15));
 374         printk("tvp5150: Line mode registers = 0x%02x\n",
 375                tvp5150_read(c, TVP5150_LINE_MODE_REG_16));
 376         printk("tvp5150: Line mode registers = 0x%02x\n",
 377                tvp5150_read(c, TVP5150_LINE_MODE_REG_17));
 378         printk("tvp5150: Line mode registers = 0x%02x\n",
 379                tvp5150_read(c, TVP5150_LINE_MODE_REG_18));
 380         printk("tvp5150: Line mode registers = 0x%02x\n",
 381                tvp5150_read(c, TVP5150_LINE_MODE_REG_19));
 382         printk("tvp5150: Line mode registers = 0x%02x\n",
 383                tvp5150_read(c, TVP5150_LINE_MODE_REG_20));
 384         printk("tvp5150: Line mode registers = 0x%02x\n",
 385                tvp5150_read(c, TVP5150_LINE_MODE_REG_21));
 386         printk("tvp5150: Line mode registers = 0x%02x\n",
 387                tvp5150_read(c, TVP5150_LINE_MODE_REG_22));
 388         printk("tvp5150: Line mode registers = 0x%02x\n",
 389                tvp5150_read(c, TVP5150_LINE_MODE_REG_23));
 390         printk("tvp5150: Line mode registers = 0x%02x\n",
 391                tvp5150_read(c, TVP5150_LINE_MODE_REG_24));
 392         printk("tvp5150: Line mode registers = 0x%02x\n",
 393                tvp5150_read(c, TVP5150_LINE_MODE_REG_25));
 394         printk("tvp5150: Line mode registers = 0x%02x\n",
 395                tvp5150_read(c, TVP5150_LINE_MODE_REG_27));
 396         printk("tvp5150: Line mode registers = 0x%02x\n",
 397                tvp5150_read(c, TVP5150_LINE_MODE_REG_28));
 398         printk("tvp5150: Line mode registers = 0x%02x\n",
 399                tvp5150_read(c, TVP5150_LINE_MODE_REG_29));
 400         printk("tvp5150: Line mode registers = 0x%02x\n",
 401                tvp5150_read(c, TVP5150_LINE_MODE_REG_30));
 402         printk("tvp5150: Line mode registers = 0x%02x\n",
 403                tvp5150_read(c, TVP5150_LINE_MODE_REG_31));
 404         printk("tvp5150: Line mode registers = 0x%02x\n",
 405                tvp5150_read(c, TVP5150_LINE_MODE_REG_32));
 406         printk("tvp5150: Line mode registers = 0x%02x\n",
 407                tvp5150_read(c, TVP5150_LINE_MODE_REG_33));
 408         printk("tvp5150: Line mode registers = 0x%02x\n",
 409                tvp5150_read(c, TVP5150_LINE_MODE_REG_34));
 410         printk("tvp5150: Line mode registers = 0x%02x\n",
 411                tvp5150_read(c, TVP5150_LINE_MODE_REG_35));
 412         printk("tvp5150: Line mode registers = 0x%02x\n",
 413                tvp5150_read(c, TVP5150_LINE_MODE_REG_36));
 414         printk("tvp5150: Line mode registers = 0x%02x\n",
 415                tvp5150_read(c, TVP5150_LINE_MODE_REG_37));
 416         printk("tvp5150: Line mode registers = 0x%02x\n",
 417                tvp5150_read(c, TVP5150_LINE_MODE_REG_38));
 418         printk("tvp5150: Line mode registers = 0x%02x\n",
 419                tvp5150_read(c, TVP5150_LINE_MODE_REG_39));
 420         printk("tvp5150: Line mode registers = 0x%02x\n",
 421                tvp5150_read(c, TVP5150_LINE_MODE_REG_40));
 422         printk("tvp5150: Line mode registers = 0x%02x\n",
 423                tvp5150_read(c, TVP5150_LINE_MODE_REG_41));
 424         printk("tvp5150: Line mode registers = 0x%02x\n",
 425                tvp5150_read(c, TVP5150_LINE_MODE_REG_42));
 426         printk("tvp5150: Line mode registers = 0x%02x\n",
 427                tvp5150_read(c, TVP5150_LINE_MODE_REG_43));
 428         printk("tvp5150: Line mode registers = 0x%02x\n",
 429                tvp5150_read(c, TVP5150_LINE_MODE_REG_44));
 430         printk("tvp5150: Full field mode register = 0x%02x\n",
 431                tvp5150_read(c, TVP5150_FULL_FIELD_MODE_REG));
 432 }
 433
 434 /****************************************************************************
 435                         Basic functions
 436  ****************************************************************************/
 437 enum tvp5150_input {
 438         TVP5150_ANALOG_CH0 = 0,
 439         TVP5150_SVIDEO = 1,
 440         TVP5150_ANALOG_CH1 = 2,
 441         TVP5150_BLACK_SCREEN = 8
 442 };
 443
 444 static inline void tvp5150_selmux(struct i2c_client *c,
 445                                   enum tvp5150_input input)
 446 {
 447         int opmode=0;
 448
 449         struct tvp5150 *decoder = i2c_get_clientdata(c);
 450
 451         if (!decoder->enable)
 452                 input |= TVP5150_BLACK_SCREEN;
 453
 454         switch (input) {
 455         case TVP5150_ANALOG_CH0:
 456         case TVP5150_ANALOG_CH1:
 457                 opmode=0x30;            /* TV Mode */
 458                 break;
 459         default:
 460                 opmode=0;               /* Auto Mode */
 461                 break;
 462         }
 463
 464         tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
 465         tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
 466 };
 467
 468 struct i2c_reg_value {
 469         unsigned char reg;
 470         unsigned char value;
 471 };
 472
 473 /* Default values as sugested at TVP5150AM1 datasheet */
 474 static const struct i2c_reg_value tvp5150_init_default[] = {
 475         { /* 0x00 */
 476                 TVP5150_VD_IN_SRC_SEL_1,0x00
 477         },
 478         { /* 0x01 */
 479                 TVP5150_ANAL_CHL_CTL,0x15
 480         },
 481         { /* 0x02 */
 482                 TVP5150_OP_MODE_CTL,0x00
 483         },
 484         { /* 0x03 */
 485                 TVP5150_MISC_CTL,0x01
 486         },
 487         { /* 0x06 */
 488                 TVP5150_COLOR_KIL_THSH_CTL,0x10
 489         },
 490         { /* 0x07 */
 491                 TVP5150_LUMA_PROC_CTL_1,0x60
 492         },
 493         { /* 0x08 */
 494                 TVP5150_LUMA_PROC_CTL_2,0x00
 495         },
 496         { /* 0x09 */
 497                 TVP5150_BRIGHT_CTL,0x80
 498         },
 499         { /* 0x0a */
 500                 TVP5150_SATURATION_CTL,0x80
 501         },
 502         { /* 0x0b */
 503                 TVP5150_HUE_CTL,0x00
 504         },
 505         { /* 0x0c */
 506                 TVP5150_CONTRAST_CTL,0x80
 507         },
 508         { /* 0x0d */
 509                 TVP5150_DATA_RATE_SEL,0x47
 510         },
 511         { /* 0x0e */
 512                 TVP5150_LUMA_PROC_CTL_3,0x00
 513         },
 514         { /* 0x0f */
 515                 TVP5150_CONF_SHARED_PIN,0x08
 516         },
 517         { /* 0x11 */
 518                 TVP5150_ACT_VD_CROP_ST_MSB,0x00
 519         },
 520         { /* 0x12 */
 521                 TVP5150_ACT_VD_CROP_ST_LSB,0x00
 522         },
 523         { /* 0x13 */
 524                 TVP5150_ACT_VD_CROP_STP_MSB,0x00
 525         },
 526         { /* 0x14 */
 527                 TVP5150_ACT_VD_CROP_STP_LSB,0x00
 528         },
 529         { /* 0x15 */
 530                 TVP5150_GENLOCK,0x01
 531         },
 532         { /* 0x16 */
 533                 TVP5150_HORIZ_SYNC_START,0x80
 534         },
 535         { /* 0x18 */
 536                 TVP5150_VERT_BLANKING_START,0x00
 537         },
 538         { /* 0x19 */
 539                 TVP5150_VERT_BLANKING_STOP,0x00
 540         },
 541         { /* 0x1a */
 542                 TVP5150_CHROMA_PROC_CTL_1,0x0c
 543         },
 544         { /* 0x1b */
 545                 TVP5150_CHROMA_PROC_CTL_2,0x14
 546         },
 547         { /* 0x1c */
 548                 TVP5150_INT_RESET_REG_B,0x00
 549         },
 550         { /* 0x1d */
 551                 TVP5150_INT_ENABLE_REG_B,0x00
 552         },
 553         { /* 0x1e */
 554                 TVP5150_INTT_CONFIG_REG_B,0x00
 555         },
 556         { /* 0x28 */
 557                 TVP5150_VIDEO_STD,0x00
 558         },
 559         { /* 0x2e */
 560                 TVP5150_MACROVISION_ON_CTR,0x0f
 561         },
 562         { /* 0x2f */
 563                 TVP5150_MACROVISION_OFF_CTR,0x01
 564         },
 565         { /* 0xbb */
 566                 TVP5150_TELETEXT_FIL_ENA,0x00
 567         },
 568         { /* 0xc0 */
 569                 TVP5150_INT_STATUS_REG_A,0x00
 570         },
 571         { /* 0xc1 */
 572                 TVP5150_INT_ENABLE_REG_A,0x00
 573         },
 574         { /* 0xc2 */
 575                 TVP5150_INT_CONF,0x04
 576         },
 577         { /* 0xc8 */
 578                 TVP5150_FIFO_INT_THRESHOLD,0x80
 579         },
 580         { /* 0xc9 */
 581                 TVP5150_FIFO_RESET,0x00
 582         },
 583         { /* 0xca */
 584                 TVP5150_LINE_NUMBER_INT,0x00
 585         },
 586         { /* 0xcb */
 587                 TVP5150_PIX_ALIGN_REG_LOW,0x4e
 588         },
 589         { /* 0xcc */
 590                 TVP5150_PIX_ALIGN_REG_HIGH,0x00
 591         },
 592         { /* 0xcd */
 593                 TVP5150_FIFO_OUT_CTRL,0x01
 594         },
 595         { /* 0xcf */
 596                 TVP5150_FULL_FIELD_ENA_1,0x00
 597         },
 598         { /* 0xd0 */
 599                 TVP5150_FULL_FIELD_ENA_2,0x00
 600         },
 601         { /* 0xfc */
 602                 TVP5150_FULL_FIELD_MODE_REG,0x7f
 603         },
 604         { /* end of data */
 605                 0xff,0xff
 606         }
 607 };
 608
 609 /* Default values as sugested at TVP5150AM1 datasheet */
 610 static const struct i2c_reg_value tvp5150_init_enable[] = {
 611         {
 612                 TVP5150_CONF_SHARED_PIN, 2
 613         },{     /* Automatic offset and AGC enabled */
 614                 TVP5150_ANAL_CHL_CTL, 0x15
 615         },{     /* Activate YCrCb output 0x9 or 0xd ? */
 616                 TVP5150_MISC_CTL, 0x6f
 617         },{     /* Activates video std autodetection for all standards */
 618                 TVP5150_AUTOSW_MSK, 0x0
 619         },{     /* Default format: 0x47. For 4:2:2: 0x40 */
 620                 TVP5150_DATA_RATE_SEL, 0x47
 621         },{
 622                 TVP5150_CHROMA_PROC_CTL_1, 0x0c
 623         },{
 624                 TVP5150_CHROMA_PROC_CTL_2, 0x54
 625         },{     /* Non documented, but initialized on WinTV USB2 */
 626                 0x27, 0x20
 627         },{
 628                 0xff,0xff
 629         }
 630 };
 631
 632 struct i2c_vbi_ram_value {
 633         u16 reg;
 634         unsigned char values[26];
 635 };
 636
 637 static struct i2c_vbi_ram_value vbi_ram_default[] =
 638 {
 639         {0x010, /* WST SECAM 6 */
 640                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x26, 0xe6, 0xb4, 0x0e, 0x0, 0x0, 0x0, 0x10, 0x0 }
 641         },
 642         {0x030, /* WST PAL B 6 */
 643                 { 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x2b, 0xa6, 0x72, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0 }
 644         },
 645         {0x050, /* WST PAL C 6 */
 646                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0xa6, 0x98, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 647         },
 648         {0x070, /* WST NTSC 6 */
 649                 { 0xaa, 0xaa, 0xff, 0xff , 0x27, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 650         },
 651         {0x090, /* NABTS, NTSC 6 */
 652                 { 0xaa, 0xaa, 0xff, 0xff , 0xe7, 0x2e, 0x20, 0x22, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x15, 0x0 }
 653         },
 654         {0x0b0, /* NABTS, NTSC-J 6 */
 655                 { 0xaa, 0xaa, 0xff, 0xff , 0xa7, 0x2e, 0x20, 0x23, 0x69, 0x93, 0x0d, 0x0, 0x0, 0x0, 0x10, 0x0 }
 656         },
 657         {0x0d0, /* CC, PAL/SECAM 6 */
 658                 { 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0xa6, 0x7b, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
 659         },
 660         {0x0f0, /* CC, NTSC 6 */
 661                 { 0xaa, 0x2a, 0xff, 0x3f , 0x04, 0x51, 0x6e, 0x02, 0x69, 0x8c, 0x09, 0x0, 0x0, 0x0, 0x27, 0x0 }
 662         },
 663         {0x110, /* WSS, PAL/SECAM 6 */
 664                 { 0x5b, 0x55, 0xc5, 0xff , 0x0, 0x71, 0x6e, 0x42, 0xa6, 0xcd, 0x0f, 0x0, 0x0, 0x0, 0x3a, 0x0 }
 665         },
 666         {0x130, /* WSS, NTSC C */
 667                 { 0x38, 0x00, 0x3f, 0x00 , 0x0, 0x71, 0x6e, 0x43, 0x69, 0x7c, 0x08, 0x0, 0x0, 0x0, 0x39, 0x0 }
 668         },
 669         {0x150, /* VITC, PAL/SECAM 6 */
 670                 { 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0xa6, 0x85, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
 671         },
 672         {0x170, /* VITC, NTSC 6 */
 673                 { 0x0, 0x0, 0x0, 0x0 , 0x0, 0x8f, 0x6d, 0x49, 0x69, 0x94, 0x08, 0x0, 0x0, 0x0, 0x4c, 0x0 }
 674         },
 675         { (u16)-1 }
 676 };
 677
 678 static int tvp5150_write_inittab(struct i2c_client *c,
 679                                  const struct i2c_reg_value *regs)
 680 {
 681         while (regs->reg != 0xff) {
 682                 tvp5150_write(c, regs->reg, regs->value);
 683                 regs++;
 684         }
 685         return 0;
 686 }
 687
 688 static int tvp5150_vdp_init(struct i2c_client *c,
 689                                  const struct i2c_vbi_ram_value *regs)
 690 {
 691         unsigned int i;
 692
 693         /* Disable Full Field */
 694         tvp5150_write(c, TVP5150_FULL_FIELD_ENA_1, 0);
 695
 696         /* Before programming, Line mode should be at 0xff */
 697         for (i=TVP5150_FULL_FIELD_ENA_2; i<=TVP5150_LINE_MODE_REG_44; i++)
 698                 tvp5150_write(c, i, 0xff);
 699
 700         /* Load Ram Table */
 701         while (regs->reg != (u16)-1 ) {
 702                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_HIGH,regs->reg>>8);
 703                 tvp5150_write(c, TVP5150_CONF_RAM_ADDR_LOW,regs->reg);
 704
 705                 for (i=0;i<16;i++)
 706                         tvp5150_write(c, TVP5150_VDP_CONF_RAM_DATA,regs->values[i]);
 707
 708                 regs++;
 709         }
 710         return 0;
 711 }
 712
 713 static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
 714 {
 715         struct tvp5150 *decoder = i2c_get_clientdata(c);
 716         int fmt=0;
 717
 718         decoder->norm=std;
 719
 720         /* First tests should be against specific std */
 721
 722         if (std == V4L2_STD_ALL) {
 723                 fmt=0;  /* Autodetect mode */
 724         } else if (std & V4L2_STD_NTSC_443) {
 725                 fmt=0xa;
 726         } else if (std & V4L2_STD_PAL_M) {
 727                 fmt=0x6;
 728         } else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
 729                 fmt=0x8;
 730         } else {
 731                 /* Then, test against generic ones */
 732                 if (std & V4L2_STD_NTSC) {
 733                         fmt=0x2;
 734                 } else if (std & V4L2_STD_PAL) {
 735                         fmt=0x4;
 736                 } else if (std & V4L2_STD_SECAM) {
 737                         fmt=0xc;
 738                 }
 739         }
 740
 741         tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
 742         tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
 743
 744         return 0;
 745 }
 746
 747 static inline void tvp5150_reset(struct i2c_client *c)
 748 {
 749         u8 msb_id, lsb_id, msb_rom, lsb_rom;
 750         struct tvp5150 *decoder = i2c_get_clientdata(c);
 751
 752         msb_id=tvp5150_read(c,TVP5150_MSB_DEV_ID);
 753         lsb_id=tvp5150_read(c,TVP5150_LSB_DEV_ID);
 754         msb_rom=tvp5150_read(c,TVP5150_ROM_MAJOR_VER);
 755         lsb_rom=tvp5150_read(c,TVP5150_ROM_MINOR_VER);
 756
 757         if ((msb_rom==4)&&(lsb_rom==0)) { /* Is TVP5150AM1 */
 758                 tvp5150_info("tvp%02x%02xam1 detected.\n",msb_id, lsb_id);
 759
 760                 /* ITU-T BT.656.4 timing */
 761                 tvp5150_write(c,TVP5150_REV_SELECT,0);
 762         } else {
 763                 if ((msb_rom==3)||(lsb_rom==0x21)) { /* Is TVP5150A */
 764                         tvp5150_info("tvp%02x%02xa detected.\n",msb_id, lsb_id);
 765                 } else {
 766                         tvp5150_info("*** unknown tvp%02x%02x chip detected.\n",msb_id,lsb_id);
 767                         tvp5150_info("*** Rom ver is %d.%d\n",msb_rom,lsb_rom);
 768                 }
 769         }
 770
 771         /* Initializes TVP5150 to its default values */
 772         tvp5150_write_inittab(c, tvp5150_init_default);
 773
 774         /* Initializes VDP registers */
 775         tvp5150_vdp_init(c, vbi_ram_default);
 776
 777         /* Selects decoder input */
 778         tvp5150_selmux(c, decoder->input);
 779
 780         /* Initializes TVP5150 to stream enabled values */
 781         tvp5150_write_inittab(c, tvp5150_init_enable);
 782
 783         /* Initialize image preferences */
 784         tvp5150_write(c, TVP5150_BRIGHT_CTL, decoder->bright >> 8);
 785         tvp5150_write(c, TVP5150_CONTRAST_CTL, decoder->contrast >> 8);
 786         tvp5150_write(c, TVP5150_SATURATION_CTL, decoder->contrast >> 8);
 787         tvp5150_write(c, TVP5150_HUE_CTL, (decoder->hue - 32768) >> 8);
 788
 789         tvp5150_set_std(c, decoder->norm);
 790 };
 791
 792 static int tvp5150_get_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 793 {
 794 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 795
 796         switch (ctrl->id) {
 797         case V4L2_CID_BRIGHTNESS:
 798                 ctrl->value = tvp5150_read(c, TVP5150_BRIGHT_CTL);
 799                 return 0;
 800         case V4L2_CID_CONTRAST:
 801                 ctrl->value = tvp5150_read(c, TVP5150_CONTRAST_CTL);
 802                 return 0;
 803         case V4L2_CID_SATURATION:
 804                 ctrl->value = tvp5150_read(c, TVP5150_SATURATION_CTL);
 805                 return 0;
 806         case V4L2_CID_HUE:
 807                 ctrl->value = tvp5150_read(c, TVP5150_HUE_CTL);
 808                 return 0;
 809         }
 810         return -EINVAL;
 811 }
 812
 813 static int tvp5150_set_ctrl(struct i2c_client *c, struct v4l2_control *ctrl)
 814 {
 815 /*      struct tvp5150 *decoder = i2c_get_clientdata(c); */
 816
 817         switch (ctrl->id) {
 818         case V4L2_CID_BRIGHTNESS:
 819                 tvp5150_write(c, TVP5150_BRIGHT_CTL, ctrl->value);
 820                 return 0;
 821         case V4L2_CID_CONTRAST:
 822                 tvp5150_write(c, TVP5150_CONTRAST_CTL, ctrl->value);
 823                 return 0;
 824         case V4L2_CID_SATURATION:
 825                 tvp5150_write(c, TVP5150_SATURATION_CTL, ctrl->value);
 826                 return 0;
 827         case V4L2_CID_HUE:
 828                 tvp5150_write(c, TVP5150_HUE_CTL, ctrl->value);
 829                 return 0;
 830         }
 831         return -EINVAL;
 832 }
 833
 834 /****************************************************************************
 835                         I2C Command
 836  ****************************************************************************/
 837 static int tvp5150_command(struct i2c_client *c,
 838                            unsigned int cmd, void *arg)
 839 {
 840         struct tvp5150 *decoder = i2c_get_clientdata(c);
 841
 842         switch (cmd) {
 843
 844         case 0:
 845         case VIDIOC_INT_RESET:
 846         case DECODER_INIT:
 847                 tvp5150_reset(c);
 848                 break;
 849         case VIDIOC_S_STD:
 850                 if (decoder->norm == *(v4l2_std_id *)arg)
 851                         break;
 852                 return tvp5150_set_std(c, *(v4l2_std_id *)arg);
 853         case VIDIOC_G_STD:
 854                 *(v4l2_std_id *)arg = decoder->norm;
 855                 break;
 856
 857 #ifdef CONFIG_VIDEO_ADV_DEBUG
 858         case VIDIOC_INT_G_REGISTER:
 859         {
 860                 struct v4l2_register *reg = arg;
 861
 862                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 863                         return -EINVAL;
 864                 reg->val = tvp5150_read(c, reg->reg & 0xff);
 865                 break;
 866         }
 867
 868         case VIDIOC_INT_S_REGISTER:
 869         {
 870                 struct v4l2_register *reg = arg;
 871
 872                 if (reg->i2c_id != I2C_DRIVERID_TVP5150)
 873                         return -EINVAL;
 874                 if (!capable(CAP_SYS_ADMIN))
 875                         return -EPERM;
 876                 tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
 877                 break;
 878         }
 879 #endif
 880
 881         case DECODER_DUMP:
 882                 dump_reg(c);
 883                 break;
 884
 885         case DECODER_GET_CAPABILITIES:
 886                 {
 887                         struct video_decoder_capability *cap = arg;
 888
 889                         cap->flags = VIDEO_DECODER_PAL |
 890                             VIDEO_DECODER_NTSC |
 891                             VIDEO_DECODER_SECAM |
 892                             VIDEO_DECODER_AUTO | VIDEO_DECODER_CCIR;
 893                         cap->inputs = 3;
 894                         cap->outputs = 1;
 895                         break;
 896                 }
 897         case DECODER_GET_STATUS:
 898                 {
 899                         int *iarg = arg;
 900                         int status;
 901                         int res=0;
 902                         status = tvp5150_read(c, 0x88);
 903                         if(status&0x08){
 904                                 res |= DECODER_STATUS_COLOR;
 905                         }
 906                         if(status&0x04 && status&0x02){
 907                                 res |= DECODER_STATUS_GOOD;
 908                         }
 909                         *iarg=res;
 910                         break;
 911                 }
 912
 913         case DECODER_SET_GPIO:
 914                 break;
 915
 916         case DECODER_SET_VBI_BYPASS:
 917                 break;
 918
 919         case DECODER_SET_NORM:
 920                 {
 921                         int *iarg = arg;
 922
 923                         switch (*iarg) {
 924
 925                         case VIDEO_MODE_NTSC:
 926                                 break;
 927
 928                         case VIDEO_MODE_PAL:
 929                                 break;
 930
 931                         case VIDEO_MODE_SECAM:
 932                                 break;
 933
 934                         case VIDEO_MODE_AUTO:
 935                                 break;
 936
 937                         default:
 938                                 return -EINVAL;
 939
 940                         }
 941                         decoder->norm = *iarg;
 942                         break;
 943                 }
 944         case DECODER_SET_INPUT:
 945                 {
 946                         int *iarg = arg;
 947                         if (*iarg < 0 || *iarg > 3) {
 948                                 return -EINVAL;
 949                         }
 950
 951                         decoder->input = *iarg;
 952                         tvp5150_selmux(c, decoder->input);
 953
 954                         break;
 955                 }
 956         case DECODER_SET_OUTPUT:
 957                 {
 958                         int *iarg = arg;
 959
 960                         /* not much choice of outputs */
 961                         if (*iarg != 0) {
 962                                 return -EINVAL;
 963                         }
 964                         break;
 965                 }
 966         case DECODER_ENABLE_OUTPUT:
 967                 {
 968                         int *iarg = arg;
 969
 970                         decoder->enable = (*iarg != 0);
 971
 972                         tvp5150_selmux(c, decoder->input);
 973
 974                         break;
 975                 }
 976         case VIDIOC_QUERYCTRL:
 977                 {
 978                         struct v4l2_queryctrl *qc = arg;
 979                         int i;
 980
 981                         tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
 982
 983                         for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
 984                                 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
 985                                         memcpy(qc, &(tvp5150_qctrl[i]),
 986                                                sizeof(*qc));
 987                                         return 0;
 988                                 }
 989
 990                         return -EINVAL;
 991                 }
 992         case VIDIOC_G_CTRL:
 993                 {
 994                         struct v4l2_control *ctrl = arg;
 995                         tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
 996
 997                         return tvp5150_get_ctrl(c, ctrl);
 998                 }
 999         case VIDIOC_S_CTRL:
1000                 {
1001                         struct v4l2_control *ctrl = arg;
1002                         u8 i, n;
1003                         n = sizeof(tvp5150_qctrl) / sizeof(tvp5150_qctrl[0]);
1004                         for (i = 0; i < n; i++)
1005                                 if (ctrl->id == tvp5150_qctrl[i].id) {
1006                                         if (ctrl->value <
1007                                             tvp5150_qctrl[i].minimum
1008                                             || ctrl->value >
1009                                             tvp5150_qctrl[i].maximum)
1010                                                 return -ERANGE;
1011                                         tvp5150_dbg(1,
1012                                                 "VIDIOC_S_CTRL: id=%d, value=%d\n",
1013                                                 ctrl->id, ctrl->value);
1014                                         return tvp5150_set_ctrl(c, ctrl);
1015                                 }
1016                         return -EINVAL;
1017                 }
1018
1019         case DECODER_SET_PICTURE:
1020                 {
1021                         struct video_picture *pic = arg;
1022                         if (decoder->bright != pic->brightness) {
1023                                 /* We want 0 to 255 we get 0-65535 */
1024                                 decoder->bright = pic->brightness;
1025                                 tvp5150_write(c, TVP5150_BRIGHT_CTL,
1026                                               decoder->bright >> 8);
1027                         }
1028                         if (decoder->contrast != pic->contrast) {
1029                                 /* We want 0 to 255 we get 0-65535 */
1030                                 decoder->contrast = pic->contrast;
1031                                 tvp5150_write(c, TVP5150_CONTRAST_CTL,
1032                                               decoder->contrast >> 8);
1033                         }
1034                         if (decoder->sat != pic->colour) {
1035                                 /* We want 0 to 255 we get 0-65535 */
1036                                 decoder->sat = pic->colour;
1037                                 tvp5150_write(c, TVP5150_SATURATION_CTL,
1038                                               decoder->contrast >> 8);
1039                         }
1040                         if (decoder->hue != pic->hue) {
1041                                 /* We want -128 to 127 we get 0-65535 */
1042                                 decoder->hue = pic->hue;
1043                                 tvp5150_write(c, TVP5150_HUE_CTL,
1044                                               (decoder->hue - 32768) >> 8);
1045                         }
1046                         break;
1047                 }
1048         default:
1049                 return -EINVAL;
1050         }
1051
1052         return 0;
1053 }
1054
1055 /****************************************************************************
1056                         I2C Client & Driver
1057  ****************************************************************************/
1058 static struct i2c_driver driver;
1059
1060 static struct i2c_client client_template = {
1061         .name = "(unset)",
1062         .driver = &driver,
1063 };
1064
1065 static int tvp5150_detect_client(struct i2c_adapter *adapter,
1066                                  int address, int kind)
1067 {
1068         struct i2c_client *c;
1069         struct tvp5150 *core;
1070         int rv;
1071
1072         if (debug)
1073                 printk( KERN_INFO
1074                 "tvp5150.c: detecting tvp5150 client on address 0x%x\n",
1075                 address << 1);
1076
1077         client_template.adapter = adapter;
1078         client_template.addr = address;
1079
1080         /* Check if the adapter supports the needed features */
1081         if (!i2c_check_functionality
1082             (adapter,
1083              I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1084                 return 0;
1085
1086         c = kmalloc(sizeof(struct i2c_client), GFP_KERNEL);
1087         if (c == 0)
1088                 return -ENOMEM;
1089         memcpy(c, &client_template, sizeof(struct i2c_client));
1090
1091         core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1092         if (core == 0) {
1093                 kfree(c);
1094                 return -ENOMEM;
1095         }
1096         i2c_set_clientdata(c, core);
1097
1098         rv = i2c_attach_client(c);
1099
1100         core->norm = V4L2_STD_ALL;
1101         core->input = 2;
1102         core->enable = 1;
1103         core->bright = 32768;
1104         core->contrast = 32768;
1105         core->hue = 32768;
1106         core->sat = 32768;
1107
1108         if (rv) {
1109                 kfree(c);
1110                 kfree(core);
1111                 return rv;
1112         }
1113
1114         if (debug > 1)
1115                 dump_reg(c);
1116         return 0;
1117 }
1118
1119 static int tvp5150_attach_adapter(struct i2c_adapter *adapter)
1120 {
1121         if (debug)
1122                 printk( KERN_INFO
1123                 "tvp5150.c: starting probe for adapter %s (0x%x)\n",
1124                 adapter->name, adapter->id);
1125         return i2c_probe(adapter, &addr_data, &tvp5150_detect_client);
1126 }
1127
1128 static int tvp5150_detach_client(struct i2c_client *c)
1129 {
1130         struct tvp5150 *decoder = i2c_get_clientdata(c);
1131         int err;
1132
1133         tvp5150_dbg(1,
1134                 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1135                 c->addr << 1);
1136
1137         err = i2c_detach_client(c);
1138         if (err) {
1139                 return err;
1140         }
1141
1142         kfree(decoder);
1143         kfree(c);
1144
1145         return 0;
1146 }
1147
1148 /* ----------------------------------------------------------------------- */
1149
1150 static struct i2c_driver driver = {
1151         .driver = {
1152                 .name = "tvp5150",
1153         },
1154         .id = I2C_DRIVERID_TVP5150,
1155
1156         .attach_adapter = tvp5150_attach_adapter,
1157         .detach_client = tvp5150_detach_client,
1158
1159         .command = tvp5150_command,
1160 };
1161
1162 static int __init tvp5150_init(void)
1163 {
1164         return i2c_add_driver(&driver);
1165 }
1166
1167 static void __exit tvp5150_exit(void)
1168 {
1169         i2c_del_driver(&driver);
1170 }
1171
1172 module_init(tvp5150_init);
1173 module_exit(tvp5150_exit);