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1// SPDX-License-Identifier: GPL-2.0-only2/*3 * drivers/media/i2c/ccs/ccs-quirk.c4 *5 * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors6 *7 * Copyright (C) 2020 Intel Corporation8 * Copyright (C) 2011--2012 Nokia Corporation9 * 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 - LP1199 */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