drivers/media/i2c/smiapp/smiapp-quirk.c

   1 /*
   2  * drivers/media/i2c/smiapp/smiapp-quirk.c
   3  *
   4  * Generic driver for SMIA/SMIA++ compliant camera modules
   5  *
   6  * Copyright (C) 2011--2012 Nokia Corporation
   7  * Contact: Sakari Ailus <sakari.ailus@iki.fi>
   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  * version 2 as published by the Free Software Foundation.
  12  *
  13  * This program is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  21  * 02110-1301 USA
  22  *
  23  */
  24
  25 #include <linux/delay.h>
  26
  27 #include "smiapp.h"
  28
  29 static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val)
  30 {
  31         return smiapp_write(sensor, (SMIA_REG_8BIT << 16) | reg, val);
  32 }
  33
  34 static int smiapp_write_8s(struct smiapp_sensor *sensor,
  35                            struct smiapp_reg_8 *regs, int len)
  36 {
  37         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  38         int rval;
  39
  40         for (; len > 0; len--, regs++) {
  41                 rval = smiapp_write_8(sensor, regs->reg, regs->val);
  42                 if (rval < 0) {
  43                         dev_err(&client->dev,
  44                                 "error %d writing reg 0x%4.4x, val 0x%2.2x",
  45                                 rval, regs->reg, regs->val);
  46                         return rval;
  47                 }
  48         }
  49
  50         return 0;
  51 }
  52
  53 void smiapp_replace_limit(struct smiapp_sensor *sensor,
  54                           u32 limit, u32 val)
  55 {
  56         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  57
  58         dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n",
  59                 smiapp_reg_limits[limit].addr,
  60                 smiapp_reg_limits[limit].what, val, val);
  61         sensor->limits[limit] = val;
  62 }
  63
  64 bool smiapp_quirk_reg(struct smiapp_sensor *sensor,
  65                       u32 reg, u32 *val)
  66 {
  67         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  68         const struct smia_reg *sreg;
  69
  70         if (!sensor->minfo.quirk)
  71                 return false;
  72
  73         sreg = sensor->minfo.quirk->regs;
  74
  75         if (!sreg)
  76                 return false;
  77
  78         while (sreg->type) {
  79                 u16 type = reg >> 16;
  80                 u16 reg16 = reg;
  81
  82                 if (sreg->type != type || sreg->reg != reg16) {
  83                         sreg++;
  84                         continue;
  85                 }
  86
  87                 switch ((u8)type) {
  88                 case SMIA_REG_8BIT:
  89                         dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%2.2x\n",
  90                                 reg, sreg->val);
  91                         break;
  92                 case SMIA_REG_16BIT:
  93                         dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%4.4x\n",
  94                                 reg, sreg->val);
  95                         break;
  96                 case SMIA_REG_32BIT:
  97                         dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%8.8x\n",
  98                                 reg, sreg->val);
  99                         break;
 100                 }
 101
 102                 *val = sreg->val;
 103
 104                 return true;
 105         }
 106
 107         return false;
 108 }
 109
 110 static int jt8ew9_limits(struct smiapp_sensor *sensor)
 111 {
 112         if (sensor->minfo.revision_number_major < 0x03)
 113                 sensor->frame_skip = 1;
 114
 115         /* Below 24 gain doesn't have effect at all, */
 116         /* but ~59 is needed for full dynamic range */
 117         smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59);
 118         smiapp_replace_limit(
 119                 sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000);
 120
 121         return 0;
 122 }
 123
 124 static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
 125 {
 126         struct smiapp_reg_8 regs[] = {
 127                 { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
 128                 { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
 129                 { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
 130                 { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
 131                 { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 132                 { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 133                 { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
 134                 { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
 135                 { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
 136                 { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 137                 { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 138                 { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 139                 { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
 140                 { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 141                 { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 142                 { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 143                 { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 144                 { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 145                 { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 146                 { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 147                 { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
 148                 { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
 149                 { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
 150                 /* Taken from v03. No idea what the rest are. */
 151                 { 0x32e0, 0x05 },
 152                 { 0x32e1, 0x05 },
 153                 { 0x32e2, 0x04 },
 154                 { 0x32e5, 0x04 },
 155                 { 0x32e6, 0x04 },
 156
 157         };
 158
 159         return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 160 }
 161
 162 const struct smiapp_quirk smiapp_jt8ew9_quirk = {
 163         .limits = jt8ew9_limits,
 164         .post_poweron = jt8ew9_post_poweron,
 165 };
 166
 167 static int imx125es_post_poweron(struct smiapp_sensor *sensor)
 168 {
 169         /* Taken from v02. No idea what the other two are. */
 170         struct smiapp_reg_8 regs[] = {
 171                 /*
 172                  * 0x3302: clk during frame blanking:
 173                  * 0x00 - HS mode, 0x01 - LP11
 174                  */
 175                 { 0x3302, 0x01 },
 176                 { 0x302d, 0x00 },
 177                 { 0x3b08, 0x8c },
 178         };
 179
 180         return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 181 }
 182
 183 const struct smiapp_quirk smiapp_imx125es_quirk = {
 184         .post_poweron = imx125es_post_poweron,
 185 };
 186
 187 static int jt8ev1_limits(struct smiapp_sensor *sensor)
 188 {
 189         smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271);
 190         smiapp_replace_limit(sensor,
 191                              SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184);
 192
 193         return 0;
 194 }
 195
 196 static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
 197 {
 198         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 199         int rval;
 200
 201         struct smiapp_reg_8 regs[] = {
 202                 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
 203                 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
 204                 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
 205                 { 0x3238, 0x43 },
 206                 { 0x3301, 0x06 }, /* For analog bias for sensor */
 207                 { 0x3302, 0x06 },
 208                 { 0x3304, 0x00 },
 209                 { 0x3305, 0x88 },
 210                 { 0x332a, 0x14 },
 211                 { 0x332c, 0x6b },
 212                 { 0x3336, 0x01 },
 213                 { 0x333f, 0x1f },
 214                 { 0x3355, 0x00 },
 215                 { 0x3356, 0x20 },
 216                 { 0x33bf, 0x20 }, /* Adjust the FBC speed */
 217                 { 0x33c9, 0x20 },
 218                 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
 219                 { 0x33cf, 0xec }, /* For Black sun */
 220                 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
 221         };
 222
 223         struct smiapp_reg_8 regs_96[] = {
 224                 { 0x30ae, 0x00 }, /* For control of ADC clock */
 225                 { 0x30af, 0xd0 },
 226                 { 0x30b0, 0x01 },
 227         };
 228
 229         rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 230         if (rval < 0)
 231                 return rval;
 232
 233         switch (sensor->platform_data->ext_clk) {
 234         case 9600000:
 235                 return smiapp_write_8s(sensor, regs_96,
 236                                        ARRAY_SIZE(regs_96));
 237         default:
 238                 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
 239                          sensor->platform_data->ext_clk);
 240                 return 0;
 241         }
 242 }
 243
 244 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
 245 {
 246         return smiapp_write_8(sensor, 0x3328, 0x00);
 247 }
 248
 249 static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
 250 {
 251         int rval;
 252
 253         /* Workaround: allows fast standby to work properly */
 254         rval = smiapp_write_8(sensor, 0x3205, 0x04);
 255         if (rval < 0)
 256                 return rval;
 257
 258         /* Wait for 1 ms + one line => 2 ms is likely enough */
 259         usleep_range(2000, 2000);
 260
 261         /* Restore it */
 262         rval = smiapp_write_8(sensor, 0x3205, 0x00);
 263         if (rval < 0)
 264                 return rval;
 265
 266         return smiapp_write_8(sensor, 0x3328, 0x80);
 267 }
 268
 269 const struct smiapp_quirk smiapp_jt8ev1_quirk = {
 270         .limits = jt8ev1_limits,
 271         .post_poweron = jt8ev1_post_poweron,
 272         .pre_streamon = jt8ev1_pre_streamon,
 273         .post_streamoff = jt8ev1_post_streamoff,
 274         .flags = SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE,
 275 };
 276
 277 static int tcm8500md_limits(struct smiapp_sensor *sensor)
 278 {
 279         smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
 280
 281         return 0;
 282 }
 283
 284 const struct smiapp_quirk smiapp_tcm8500md_quirk = {
 285         .limits = tcm8500md_limits,
 286 };