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