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

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * drivers/media/i2c/smiapp/smiapp-quirk.c
   4 *
   5 * Generic driver for SMIA/SMIA++ compliant camera modules
   6 *
   7 * Copyright (C) 2011--2012 Nokia Corporation
   8 * Contact: Sakari Ailus <sakari.ailus@iki.fi>
   9 */
  10
  11#include <linux/delay.h>
  12
  13#include "smiapp.h"
  14
  15static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val)
  16{
  17        return smiapp_write(sensor, SMIAPP_REG_MK_U8(reg), val);
  18}
  19
  20static int smiapp_write_8s(struct smiapp_sensor *sensor,
  21                           const struct smiapp_reg_8 *regs, int len)
  22{
  23        struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  24        int rval;
  25
  26        for (; len > 0; len--, regs++) {
  27                rval = smiapp_write_8(sensor, regs->reg, regs->val);
  28                if (rval < 0) {
  29                        dev_err(&client->dev,
  30                                "error %d writing reg 0x%4.4x, val 0x%2.2x",
  31                                rval, regs->reg, regs->val);
  32                        return rval;
  33                }
  34        }
  35
  36        return 0;
  37}
  38
  39void smiapp_replace_limit(struct smiapp_sensor *sensor,
  40                          u32 limit, u32 val)
  41{
  42        struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
  43
  44        dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n",
  45                smiapp_reg_limits[limit].addr,
  46                smiapp_reg_limits[limit].what, val, val);
  47        sensor->limits[limit] = val;
  48}
  49
  50static int jt8ew9_limits(struct smiapp_sensor *sensor)
  51{
  52        if (sensor->minfo.revision_number_major < 0x03)
  53                sensor->frame_skip = 1;
  54
  55        /* Below 24 gain doesn't have effect at all, */
  56        /* but ~59 is needed for full dynamic range */
  57        smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59);
  58        smiapp_replace_limit(
  59                sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000);
  60
  61        return 0;
  62}
  63
  64static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
  65{
  66        static const struct smiapp_reg_8 regs[] = {
  67                { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
  68                { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
  69                { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
  70                { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
  71                { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  72                { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  73                { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
  74                { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
  75                { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
  76                { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  77                { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  78                { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  79                { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
  80                { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  81                { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  82                { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  83                { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  84                { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  85                { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  86                { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  87                { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
  88                { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
  89                { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
  90                /* Taken from v03. No idea what the rest are. */
  91                { 0x32e0, 0x05 },
  92                { 0x32e1, 0x05 },
  93                { 0x32e2, 0x04 },
  94                { 0x32e5, 0x04 },
  95                { 0x32e6, 0x04 },
  96
  97        };
  98
  99        return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 100}
 101
 102const struct smiapp_quirk smiapp_jt8ew9_quirk = {
 103        .limits = jt8ew9_limits,
 104        .post_poweron = jt8ew9_post_poweron,
 105};
 106
 107static int imx125es_post_poweron(struct smiapp_sensor *sensor)
 108{
 109        /* Taken from v02. No idea what the other two are. */
 110        static const struct smiapp_reg_8 regs[] = {
 111                /*
 112                 * 0x3302: clk during frame blanking:
 113                 * 0x00 - HS mode, 0x01 - LP11
 114                 */
 115                { 0x3302, 0x01 },
 116                { 0x302d, 0x00 },
 117                { 0x3b08, 0x8c },
 118        };
 119
 120        return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 121}
 122
 123const struct smiapp_quirk smiapp_imx125es_quirk = {
 124        .post_poweron = imx125es_post_poweron,
 125};
 126
 127static int jt8ev1_limits(struct smiapp_sensor *sensor)
 128{
 129        smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271);
 130        smiapp_replace_limit(sensor,
 131                             SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184);
 132
 133        return 0;
 134}
 135
 136static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
 137{
 138        struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
 139        int rval;
 140        static const struct smiapp_reg_8 regs[] = {
 141                { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
 142                { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
 143                { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
 144                { 0x3238, 0x43 },
 145                { 0x3301, 0x06 }, /* For analog bias for sensor */
 146                { 0x3302, 0x06 },
 147                { 0x3304, 0x00 },
 148                { 0x3305, 0x88 },
 149                { 0x332a, 0x14 },
 150                { 0x332c, 0x6b },
 151                { 0x3336, 0x01 },
 152                { 0x333f, 0x1f },
 153                { 0x3355, 0x00 },
 154                { 0x3356, 0x20 },
 155                { 0x33bf, 0x20 }, /* Adjust the FBC speed */
 156                { 0x33c9, 0x20 },
 157                { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
 158                { 0x33cf, 0xec }, /* For Black sun */
 159                { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
 160        };
 161        static const struct smiapp_reg_8 regs_96[] = {
 162                { 0x30ae, 0x00 }, /* For control of ADC clock */
 163                { 0x30af, 0xd0 },
 164                { 0x30b0, 0x01 },
 165        };
 166
 167        rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
 168        if (rval < 0)
 169                return rval;
 170
 171        switch (sensor->hwcfg->ext_clk) {
 172        case 9600000:
 173                return smiapp_write_8s(sensor, regs_96,
 174                                       ARRAY_SIZE(regs_96));
 175        default:
 176                dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
 177                         sensor->hwcfg->ext_clk);
 178                return 0;
 179        }
 180}
 181
 182static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
 183{
 184        return smiapp_write_8(sensor, 0x3328, 0x00);
 185}
 186
 187static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
 188{
 189        int rval;
 190
 191        /* Workaround: allows fast standby to work properly */
 192        rval = smiapp_write_8(sensor, 0x3205, 0x04);
 193        if (rval < 0)
 194                return rval;
 195
 196        /* Wait for 1 ms + one line => 2 ms is likely enough */
 197        usleep_range(2000, 2050);
 198
 199        /* Restore it */
 200        rval = smiapp_write_8(sensor, 0x3205, 0x00);
 201        if (rval < 0)
 202                return rval;
 203
 204        return smiapp_write_8(sensor, 0x3328, 0x80);
 205}
 206
 207static int jt8ev1_init(struct smiapp_sensor *sensor)
 208{
 209        sensor->pll.flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
 210
 211        return 0;
 212}
 213
 214const struct smiapp_quirk smiapp_jt8ev1_quirk = {
 215        .limits = jt8ev1_limits,
 216        .post_poweron = jt8ev1_post_poweron,
 217        .pre_streamon = jt8ev1_pre_streamon,
 218        .post_streamoff = jt8ev1_post_streamoff,
 219        .init = jt8ev1_init,
 220};
 221
 222static int tcm8500md_limits(struct smiapp_sensor *sensor)
 223{
 224        smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
 225
 226        return 0;
 227}
 228
 229const struct smiapp_quirk smiapp_tcm8500md_quirk = {
 230        .limits = tcm8500md_limits,
 231};
 232