LXR linux/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
  23static 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
  28static int smiapp_write_8s(struct smiapp_sensor *sensor,
  29                           const 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
  47void 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
  58static 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
  72static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
  73{
  74        const 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
 110const struct smiapp_quirk smiapp_jt8ew9_quirk = {
 111        .limits = jt8ew9_limits,
 112        .post_poweron = jt8ew9_post_poweron,
 113};
 114
 115static int imx125es_post_poweron(struct smiapp_sensor *sensor)
 116{
 117        /* Taken from v02. No idea what the other two are. */
 118        const 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
 131const struct smiapp_quirk smiapp_imx125es_quirk = {
 132        .post_poweron = imx125es_post_poweron,
 133};
 134
 135static 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
 144static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
 145{
 146        struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 147        int rval;
 148        const struct smiapp_reg_8 regs[] = {
 149                { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
 150                { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
 151                { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
 152                { 0x3238, 0x43 },
 153                { 0x3301, 0x06 }, /* For analog bias for sensor */
 154                { 0x3302, 0x06 },
 155                { 0x3304, 0x00 },
 156                { 0x3305, 0x88 },
 157                { 0x332a, 0x14 },
 158                { 0x332c, 0x6b },
 159                { 0x3336, 0x01 },
 160                { 0x333f, 0x1f },
 161                { 0x3355, 0x00 },
 162                { 0x3356, 0x20 },
 163                { 0x33bf, 0x20 }, /* Adjust the FBC speed */
 164                { 0x33c9, 0x20 },
 165                { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
 166                { 0x33cf, 0xec }, /* For Black sun */
 167                { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
 168        };
 169        const struct smiapp_reg_8 regs_96[] = {
 170                { 0x30ae, 0x00 }, /* For control of ADC clock */
 171                { 0x30af, 0xd0 },
 172                { 0x30b0, 0x01 },
 173        };
 174
 175        rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 176        if (rval < 0)
 177                return rval;
 178
 179        switch (sensor->hwcfg->ext_clk) {
 180        case 9600000:
 181                return smiapp_write_8s(sensor, regs_96,
 182                                       ARRAY_SIZE(regs_96));
 183        default:
 184                dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
 185                         sensor->hwcfg->ext_clk);
 186                return 0;
 187        }
 188}
 189
 190static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
 191{
 192        return smiapp_write_8(sensor, 0x3328, 0x00);
 193}
 194
 195static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
 196{
 197        int rval;
 198
 199        /* Workaround: allows fast standby to work properly */
 200        rval = smiapp_write_8(sensor, 0x3205, 0x04);
 201        if (rval < 0)
 202                return rval;
 203
 204        /* Wait for 1 ms + one line => 2 ms is likely enough */
 205        usleep_range(2000, 2000);
 206
 207        /* Restore it */
 208        rval = smiapp_write_8(sensor, 0x3205, 0x00);
 209        if (rval < 0)
 210                return rval;
 211
 212        return smiapp_write_8(sensor, 0x3328, 0x80);
 213}
 214
 215static int jt8ev1_init(struct smiapp_sensor *sensor)
 216{
 217        sensor->pll.flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
 218
 219        return 0;
 220}
 221
 222const struct smiapp_quirk smiapp_jt8ev1_quirk = {
 223        .limits = jt8ev1_limits,
 224        .post_poweron = jt8ev1_post_poweron,
 225        .pre_streamon = jt8ev1_pre_streamon,
 226        .post_streamoff = jt8ev1_post_streamoff,
 227        .init = jt8ev1_init,
 228};
 229
 230static int tcm8500md_limits(struct smiapp_sensor *sensor)
 231{
 232        smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
 233
 234        return 0;
 235}
 236
 237const struct smiapp_quirk smiapp_tcm8500md_quirk = {
 238        .limits = tcm8500md_limits,
 239};
 240