1/* 2 * drivers/media/i2c/smiapp/smiapp-quirk.c 3 * 4 * Generic driver for SMIA/SMIA++ compliant camera modules 5 * 6 * Copyright (C) 2011--2012 Nokia Corporation 7 * Contact: Sakari Ailus <sakari.ailus@iki.fi> 8 * 9 * This program is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License 11 * version 2 as published by the Free Software Foundation. 12 * 13 * This program is distributed in the hope that it will be useful, but 14 * WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16 * General Public License for more details. 17 */ 18 19#include <linux/delay.h> 20 21#include "smiapp.h" 22 23static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val) 24{ 25 return smiapp_write(sensor, SMIAPP_REG_MK_U8(reg), val); 26} 27 28static int smiapp_write_8s(struct smiapp_sensor *sensor, 29 struct smiapp_reg_8 *regs, int len) 30{ 31 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); 32 int rval; 33 34 for (; len > 0; len--, regs++) { 35 rval = smiapp_write_8(sensor, regs->reg, regs->val); 36 if (rval < 0) { 37 dev_err(&client->dev, 38 "error %d writing reg 0x%4.4x, val 0x%2.2x", 39 rval, regs->reg, regs->val); 40 return rval; 41 } 42 } 43 44 return 0; 45} 46 47void smiapp_replace_limit(struct smiapp_sensor *sensor, 48 u32 limit, u32 val) 49{ 50 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); 51 52 dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n", 53 smiapp_reg_limits[limit].addr, 54 smiapp_reg_limits[limit].what, val, val); 55 sensor->limits[limit] = val; 56} 57 58static int jt8ew9_limits(struct smiapp_sensor *sensor) 59{ 60 if (sensor->minfo.revision_number_major < 0x03) 61 sensor->frame_skip = 1; 62 63 /* Below 24 gain doesn't have effect at all, */ 64 /* but ~59 is needed for full dynamic range */ 65 smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59); 66 smiapp_replace_limit( 67 sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000); 68 69 return 0; 70} 71 72static int jt8ew9_post_poweron(struct smiapp_sensor *sensor) 73{ 74 struct smiapp_reg_8 regs[] = { 75 { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */ 76 { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ 77 { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */ 78 { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */ 79 { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 80 { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 81 { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ 82 { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */ 83 { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */ 84 { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 85 { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 86 { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 87 { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */ 88 { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 89 { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 90 { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 91 { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 92 { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 93 { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 94 { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 95 { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */ 96 { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */ 97 { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */ 98 /* Taken from v03. No idea what the rest are. */ 99 { 0x32e0, 0x05 }, 100 { 0x32e1, 0x05 }, 101 { 0x32e2, 0x04 }, 102 { 0x32e5, 0x04 }, 103 { 0x32e6, 0x04 }, 104 105 }; 106 107 return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); 108} 109 110const struct smiapp_quirk smiapp_jt8ew9_quirk = { 111 .limits = jt8ew9_limits, 112 .post_poweron = jt8ew9_post_poweron, 113}; 114 115static int imx125es_post_poweron(struct smiapp_sensor *sensor) 116{ 117 /* Taken from v02. No idea what the other two are. */ 118 struct smiapp_reg_8 regs[] = { 119 /* 120 * 0x3302: clk during frame blanking: 121 * 0x00 - HS mode, 0x01 - LP11 122 */ 123 { 0x3302, 0x01 }, 124 { 0x302d, 0x00 }, 125 { 0x3b08, 0x8c }, 126 }; 127 128 return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); 129} 130 131const struct smiapp_quirk smiapp_imx125es_quirk = { 132 .post_poweron = imx125es_post_poweron, 133}; 134 135static int jt8ev1_limits(struct smiapp_sensor *sensor) 136{ 137 smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271); 138 smiapp_replace_limit(sensor, 139 SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184); 140 141 return 0; 142} 143 144static int jt8ev1_post_poweron(struct smiapp_sensor *sensor) 145{ 146 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd); 147 int rval; 148 149 struct smiapp_reg_8 regs[] = { 150 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */ 151 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */ 152 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */ 153 { 0x3238, 0x43 }, 154 { 0x3301, 0x06 }, /* For analog bias for sensor */ 155 { 0x3302, 0x06 }, 156 { 0x3304, 0x00 }, 157 { 0x3305, 0x88 }, 158 { 0x332a, 0x14 }, 159 { 0x332c, 0x6b }, 160 { 0x3336, 0x01 }, 161 { 0x333f, 0x1f }, 162 { 0x3355, 0x00 }, 163 { 0x3356, 0x20 }, 164 { 0x33bf, 0x20 }, /* Adjust the FBC speed */ 165 { 0x33c9, 0x20 }, 166 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */ 167 { 0x33cf, 0xec }, /* For Black sun */ 168 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */ 169 }; 170 171 struct smiapp_reg_8 regs_96[] = { 172 { 0x30ae, 0x00 }, /* For control of ADC clock */ 173 { 0x30af, 0xd0 }, 174 { 0x30b0, 0x01 }, 175 }; 176 177 rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs)); 178 if (rval < 0) 179 return rval; 180 181 switch (sensor->platform_data->ext_clk) { 182 case 9600000: 183 return smiapp_write_8s(sensor, regs_96, 184 ARRAY_SIZE(regs_96)); 185 default: 186 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n", 187 sensor->platform_data->ext_clk); 188 return 0; 189 } 190} 191 192static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor) 193{ 194 return smiapp_write_8(sensor, 0x3328, 0x00); 195} 196 197static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor) 198{ 199 int rval; 200 201 /* Workaround: allows fast standby to work properly */ 202 rval = smiapp_write_8(sensor, 0x3205, 0x04); 203 if (rval < 0) 204 return rval; 205 206 /* Wait for 1 ms + one line => 2 ms is likely enough */ 207 usleep_range(2000, 2000); 208 209 /* Restore it */ 210 rval = smiapp_write_8(sensor, 0x3205, 0x00); 211 if (rval < 0) 212 return rval; 213 214 return smiapp_write_8(sensor, 0x3328, 0x80); 215} 216 217static int jt8ev1_init(struct smiapp_sensor *sensor) 218{ 219 sensor->pll.flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE; 220 221 return 0; 222} 223 224const struct smiapp_quirk smiapp_jt8ev1_quirk = { 225 .limits = jt8ev1_limits, 226 .post_poweron = jt8ev1_post_poweron, 227 .pre_streamon = jt8ev1_pre_streamon, 228 .post_streamoff = jt8ev1_post_streamoff, 229 .init = jt8ev1_init, 230}; 231 232static int tcm8500md_limits(struct smiapp_sensor *sensor) 233{ 234 smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000); 235 236 return 0; 237} 238 239const struct smiapp_quirk smiapp_tcm8500md_quirk = { 240 .limits = tcm8500md_limits, 241}; 242