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
  15 static 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
  20 static 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
  39 void 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
  50 static 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
  64 static 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
 102 const struct smiapp_quirk smiapp_jt8ew9_quirk = {
 103         .limits = jt8ew9_limits,
 104         .post_poweron = jt8ew9_post_poweron,
 105 };
 106
 107 static 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
 123 const struct smiapp_quirk smiapp_imx125es_quirk = {
 124         .post_poweron = imx125es_post_poweron,
 125 };
 126
 127 static 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
 136 static 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
 182 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
 183 {
 184         return smiapp_write_8(sensor, 0x3328, 0x00);
 185 }
 186
 187 static 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
 207 static 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
 214 const 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
 222 static 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
 229 const struct smiapp_quirk smiapp_tcm8500md_quirk = {
 230         .limits = tcm8500md_limits,
 231 };