1// SPDX-License-Identifier: GPL-2.0-only 2/* 3 * drivers/media/i2c/ccs/ccs-quirk.c 4 * 5 * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors 6 * 7 * Copyright (C) 2020 Intel Corporation 8 * Copyright (C) 2011--2012 Nokia Corporation 9 * Contact: Sakari Ailus <sakari.ailus@linux.intel.com> 10 */ 11 12#include <linux/delay.h> 13 14#include "ccs.h" 15#include "ccs-limits.h" 16 17static int ccs_write_addr_8s(struct ccs_sensor *sensor, 18 const struct ccs_reg_8 *regs, int len) 19{ 20 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); 21 int rval; 22 23 for (; len > 0; len--, regs++) { 24 rval = ccs_write_addr(sensor, regs->reg, regs->val); 25 if (rval < 0) { 26 dev_err(&client->dev, 27 "error %d writing reg 0x%4.4x, val 0x%2.2x", 28 rval, regs->reg, regs->val); 29 return rval; 30 } 31 } 32 33 return 0; 34} 35 36static int jt8ew9_limits(struct ccs_sensor *sensor) 37{ 38 if (sensor->minfo.revision_number < 0x0300) 39 sensor->frame_skip = 1; 40 41 /* Below 24 gain doesn't have effect at all, */ 42 /* but ~59 is needed for full dynamic range */ 43 ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MIN, 0, 59); 44 ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MAX, 0, 6000); 45 46 return 0; 47} 48 49static int jt8ew9_post_poweron(struct ccs_sensor *sensor) 50{ 51 static const struct ccs_reg_8 regs[] = { 52 { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */ 53 { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ 54 { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ 55 { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */ 56 { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 57 { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 58 { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ 59 { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ 60 { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */ 61 { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 62 { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 63 { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 64 { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 65 { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 66 { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 67 { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 68 { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 69 { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 70 { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 71 { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 72 { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 73 { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 74 { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 75 /* Taken from v03. No idea what the rest are. */ 76 { 0x32e0, 0x05 }, 77 { 0x32e1, 0x05 }, 78 { 0x32e2, 0x04 }, 79 { 0x32e5, 0x04 }, 80 { 0x32e6, 0x04 }, 81 82 }; 83 84 return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs)); 85} 86 87const struct ccs_quirk smiapp_jt8ew9_quirk = { 88 .limits = jt8ew9_limits, 89 .post_poweron = jt8ew9_post_poweron, 90}; 91 92static int imx125es_post_poweron(struct ccs_sensor *sensor) 93{ 94 /* Taken from v02. No idea what the other two are. */ 95 static const struct ccs_reg_8 regs[] = { 96 /* 97 * 0x3302: clk during frame blanking: 98 * 0x00 - HS mode, 0x01 - LP11 99 */ 100 { 0x3302, 0x01 }, 101 { 0x302d, 0x00 }, 102 { 0x3b08, 0x8c }, 103 }; 104 105 return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs)); 106} 107 108const struct ccs_quirk smiapp_imx125es_quirk = { 109 .post_poweron = imx125es_post_poweron, 110}; 111 112static int jt8ev1_limits(struct ccs_sensor *sensor) 113{ 114 ccs_replace_limit(sensor, CCS_L_X_ADDR_MAX, 0, 4271); 115 ccs_replace_limit(sensor, CCS_L_MIN_LINE_BLANKING_PCK_BIN, 0, 184); 116 117 return 0; 118} 119 120static int jt8ev1_post_poweron(struct ccs_sensor *sensor) 121{ 122 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); 123 int rval; 124 static const struct ccs_reg_8 regs[] = { 125 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */ 126 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */ 127 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */ 128 { 0x3238, 0x43 }, 129 { 0x3301, 0x06 }, /* For analog bias for sensor */ 130 { 0x3302, 0x06 }, 131 { 0x3304, 0x00 }, 132 { 0x3305, 0x88 }, 133 { 0x332a, 0x14 }, 134 { 0x332c, 0x6b }, 135 { 0x3336, 0x01 }, 136 { 0x333f, 0x1f }, 137 { 0x3355, 0x00 }, 138 { 0x3356, 0x20 }, 139 { 0x33bf, 0x20 }, /* Adjust the FBC speed */ 140 { 0x33c9, 0x20 }, 141 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */ 142 { 0x33cf, 0xec }, /* For Black sun */ 143 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */ 144 }; 145 static const struct ccs_reg_8 regs_96[] = { 146 { 0x30ae, 0x00 }, /* For control of ADC clock */ 147 { 0x30af, 0xd0 }, 148 { 0x30b0, 0x01 }, 149 }; 150 151 rval = ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs)); 152 if (rval < 0) 153 return rval; 154 155 switch (sensor->hwcfg.ext_clk) { 156 case 9600000: 157 return ccs_write_addr_8s(sensor, regs_96, 158 ARRAY_SIZE(regs_96)); 159 default: 160 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n", 161 sensor->hwcfg.ext_clk); 162 return 0; 163 } 164} 165 166static int jt8ev1_pre_streamon(struct ccs_sensor *sensor) 167{ 168 return ccs_write_addr(sensor, 0x3328, 0x00); 169} 170 171static int jt8ev1_post_streamoff(struct ccs_sensor *sensor) 172{ 173 int rval; 174 175 /* Workaround: allows fast standby to work properly */ 176 rval = ccs_write_addr(sensor, 0x3205, 0x04); 177 if (rval < 0) 178 return rval; 179 180 /* Wait for 1 ms + one line => 2 ms is likely enough */ 181 usleep_range(2000, 2050); 182 183 /* Restore it */ 184 rval = ccs_write_addr(sensor, 0x3205, 0x00); 185 if (rval < 0) 186 return rval; 187 188 return ccs_write_addr(sensor, 0x3328, 0x80); 189} 190 191static int jt8ev1_init(struct ccs_sensor *sensor) 192{ 193 sensor->pll.flags |= CCS_PLL_FLAG_LANE_SPEED_MODEL | 194 CCS_PLL_FLAG_LINK_DECOUPLED; 195 sensor->pll.vt_lanes = 1; 196 sensor->pll.op_lanes = sensor->pll.csi2.lanes; 197 198 return 0; 199} 200 201const struct ccs_quirk smiapp_jt8ev1_quirk = { 202 .limits = jt8ev1_limits, 203 .post_poweron = jt8ev1_post_poweron, 204 .pre_streamon = jt8ev1_pre_streamon, 205 .post_streamoff = jt8ev1_post_streamoff, 206 .init = jt8ev1_init, 207}; 208 209static int tcm8500md_limits(struct ccs_sensor *sensor) 210{ 211 ccs_replace_limit(sensor, CCS_L_MIN_PLL_IP_CLK_FREQ_MHZ, 0, 2700000); 212 213 return 0; 214} 215 216const struct ccs_quirk smiapp_tcm8500md_quirk = { 217 .limits = tcm8500md_limits, 218}; 219