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
  19 #include <linux/delay.h>
  20
  21 #include "smiapp.h"
  22
  23 static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val)
  24 {
  25         return smiapp_write(sensor, SMIAPP_REG_MK_U8(reg), val);
  26 }
  27
  28 static int smiapp_write_8s(struct smiapp_sensor *sensor,
  29                            struct smiapp_reg_8 *regs, int len)
  30 {
  31         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  32         int rval;
  33
  34         for (; len > 0; len--, regs++) {
  35                 rval = smiapp_write_8(sensor, regs->reg, regs->val);
  36                 if (rval < 0) {
  37                         dev_err(&client->dev,
  38                                 "error %d writing reg 0x%4.4x, val 0x%2.2x",
  39                                 rval, regs->reg, regs->val);
  40                         return rval;
  41                 }
  42         }
  43
  44         return 0;
  45 }
  46
  47 void smiapp_replace_limit(struct smiapp_sensor *sensor,
  48                           u32 limit, u32 val)
  49 {
  50         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  51
  52         dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n",
  53                 smiapp_reg_limits[limit].addr,
  54                 smiapp_reg_limits[limit].what, val, val);
  55         sensor->limits[limit] = val;
  56 }
  57
  58 static int jt8ew9_limits(struct smiapp_sensor *sensor)
  59 {
  60         if (sensor->minfo.revision_number_major < 0x03)
  61                 sensor->frame_skip = 1;
  62
  63         /* Below 24 gain doesn't have effect at all, */
  64         /* but ~59 is needed for full dynamic range */
  65         smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59);
  66         smiapp_replace_limit(
  67                 sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000);
  68
  69         return 0;
  70 }
  71
  72 static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
  73 {
  74         struct smiapp_reg_8 regs[] = {
  75                 { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
  76                 { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
  77                 { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
  78                 { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
  79                 { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  80                 { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  81                 { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
  82                 { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
  83                 { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
  84                 { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  85                 { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  86                 { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  87                 { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  88                 { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  89                 { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  90                 { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  91                 { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  92                 { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  93                 { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  94                 { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  95                 { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  96                 { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  97                 { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  98                 /* Taken from v03. No idea what the rest are. */
  99                 { 0x32e0, 0x05 },
 100                 { 0x32e1, 0x05 },
 101                 { 0x32e2, 0x04 },
 102                 { 0x32e5, 0x04 },
 103                 { 0x32e6, 0x04 },
 104
 105         };
 106
 107         return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 108 }
 109
 110 const struct smiapp_quirk smiapp_jt8ew9_quirk = {
 111         .limits = jt8ew9_limits,
 112         .post_poweron = jt8ew9_post_poweron,
 113 };
 114
 115 static int imx125es_post_poweron(struct smiapp_sensor *sensor)
 116 {
 117         /* Taken from v02. No idea what the other two are. */
 118         struct smiapp_reg_8 regs[] = {
 119                 /*
 120                  * 0x3302: clk during frame blanking:
 121                  * 0x00 - HS mode, 0x01 - LP11
 122                  */
 123                 { 0x3302, 0x01 },
 124                 { 0x302d, 0x00 },
 125                 { 0x3b08, 0x8c },
 126         };
 127
 128         return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 129 }
 130
 131 const struct smiapp_quirk smiapp_imx125es_quirk = {
 132         .post_poweron = imx125es_post_poweron,
 133 };
 134
 135 static int jt8ev1_limits(struct smiapp_sensor *sensor)
 136 {
 137         smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271);
 138         smiapp_replace_limit(sensor,
 139                              SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184);
 140
 141         return 0;
 142 }
 143
 144 static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
 145 {
 146         struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 147         int rval;
 148
 149         struct smiapp_reg_8 regs[] = {
 150                 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
 151                 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
 152                 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
 153                 { 0x3238, 0x43 },
 154                 { 0x3301, 0x06 }, /* For analog bias for sensor */
 155                 { 0x3302, 0x06 },
 156                 { 0x3304, 0x00 },
 157                 { 0x3305, 0x88 },
 158                 { 0x332a, 0x14 },
 159                 { 0x332c, 0x6b },
 160                 { 0x3336, 0x01 },
 161                 { 0x333f, 0x1f },
 162                 { 0x3355, 0x00 },
 163                 { 0x3356, 0x20 },
 164                 { 0x33bf, 0x20 }, /* Adjust the FBC speed */
 165                 { 0x33c9, 0x20 },
 166                 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
 167                 { 0x33cf, 0xec }, /* For Black sun */
 168                 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
 169         };
 170
 171         struct smiapp_reg_8 regs_96[] = {
 172                 { 0x30ae, 0x00 }, /* For control of ADC clock */
 173                 { 0x30af, 0xd0 },
 174                 { 0x30b0, 0x01 },
 175         };
 176
 177         rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 178         if (rval < 0)
 179                 return rval;
 180
 181         switch (sensor->platform_data->ext_clk) {
 182         case 9600000:
 183                 return smiapp_write_8s(sensor, regs_96,
 184                                        ARRAY_SIZE(regs_96));
 185         default:
 186                 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
 187                          sensor->platform_data->ext_clk);
 188                 return 0;
 189         }
 190 }
 191
 192 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
 193 {
 194         return smiapp_write_8(sensor, 0x3328, 0x00);
 195 }
 196
 197 static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
 198 {
 199         int rval;
 200
 201         /* Workaround: allows fast standby to work properly */
 202         rval = smiapp_write_8(sensor, 0x3205, 0x04);
 203         if (rval < 0)
 204                 return rval;
 205
 206         /* Wait for 1 ms + one line => 2 ms is likely enough */
 207         usleep_range(2000, 2000);
 208
 209         /* Restore it */
 210         rval = smiapp_write_8(sensor, 0x3205, 0x00);
 211         if (rval < 0)
 212                 return rval;
 213
 214         return smiapp_write_8(sensor, 0x3328, 0x80);
 215 }
 216
 217 static int jt8ev1_init(struct smiapp_sensor *sensor)
 218 {
 219         sensor->pll.flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
 220
 221         return 0;
 222 }
 223
 224 const struct smiapp_quirk smiapp_jt8ev1_quirk = {
 225         .limits = jt8ev1_limits,
 226         .post_poweron = jt8ev1_post_poweron,
 227         .pre_streamon = jt8ev1_pre_streamon,
 228         .post_streamoff = jt8ev1_post_streamoff,
 229         .init = jt8ev1_init,
 230 };
 231
 232 static int tcm8500md_limits(struct smiapp_sensor *sensor)
 233 {
 234         smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
 235
 236         return 0;
 237 }
 238
 239 const struct smiapp_quirk smiapp_tcm8500md_quirk = {
 240         .limits = tcm8500md_limits,
 241 };