i2c/ccs/ccs-quirk.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * drivers/media/i2c/ccs/ccs-quirk.c
0004  *
0005  * Generic driver for MIPI CCS/SMIA/SMIA++ compliant camera sensors
0006  *
0007  * Copyright (C) 2020 Intel Corporation
0008  * Copyright (C) 2011--2012 Nokia Corporation
0009  * Contact: Sakari Ailus <sakari.ailus@linux.intel.com>
0010  */
0011
0012 #include <linux/delay.h>
0013
0014 #include "ccs.h"
0015 #include "ccs-limits.h"
0016
0017 static int ccs_write_addr_8s(struct ccs_sensor *sensor,
0018                  const struct ccs_reg_8 *regs, int len)
0019 {
0020     struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
0021     int rval;
0022
0023     for (; len > 0; len--, regs++) {
0024         rval = ccs_write_addr(sensor, regs->reg, regs->val);
0025         if (rval < 0) {
0026             dev_err(&client->dev,
0027                 "error %d writing reg 0x%4.4x, val 0x%2.2x",
0028                 rval, regs->reg, regs->val);
0029             return rval;
0030         }
0031     }
0032
0033     return 0;
0034 }
0035
0036 static int jt8ew9_limits(struct ccs_sensor *sensor)
0037 {
0038     if (sensor->minfo.revision_number < 0x0300)
0039         sensor->frame_skip = 1;
0040
0041     /* Below 24 gain doesn't have effect at all, */
0042     /* but ~59 is needed for full dynamic range */
0043     ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MIN, 0, 59);
0044     ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MAX, 0, 6000);
0045
0046     return 0;
0047 }
0048
0049 static int jt8ew9_post_poweron(struct ccs_sensor *sensor)
0050 {
0051     static const struct ccs_reg_8 regs[] = {
0052         { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
0053         { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
0054         { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
0055         { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
0056         { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
0057         { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
0058         { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
0059         { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
0060         { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
0061         { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
0062         { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
0063         { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
0064         { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
0065         { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0066         { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0067         { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0068         { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0069         { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0070         { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
0071         { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
0072         { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
0073         { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
0074         { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
0075         /* Taken from v03. No idea what the rest are. */
0076         { 0x32e0, 0x05 },
0077         { 0x32e1, 0x05 },
0078         { 0x32e2, 0x04 },
0079         { 0x32e5, 0x04 },
0080         { 0x32e6, 0x04 },
0081
0082     };
0083
0084     return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
0085 }
0086
0087 const struct ccs_quirk smiapp_jt8ew9_quirk = {
0088     .limits = jt8ew9_limits,
0089     .post_poweron = jt8ew9_post_poweron,
0090 };
0091
0092 static int imx125es_post_poweron(struct ccs_sensor *sensor)
0093 {
0094     /* Taken from v02. No idea what the other two are. */
0095     static const struct ccs_reg_8 regs[] = {
0096         /*
0097          * 0x3302: clk during frame blanking:
0098          * 0x00 - HS mode, 0x01 - LP11
0099          */
0100         { 0x3302, 0x01 },
0101         { 0x302d, 0x00 },
0102         { 0x3b08, 0x8c },
0103     };
0104
0105     return ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
0106 }
0107
0108 const struct ccs_quirk smiapp_imx125es_quirk = {
0109     .post_poweron = imx125es_post_poweron,
0110 };
0111
0112 static int jt8ev1_limits(struct ccs_sensor *sensor)
0113 {
0114     ccs_replace_limit(sensor, CCS_L_X_ADDR_MAX, 0, 4271);
0115     ccs_replace_limit(sensor, CCS_L_MIN_LINE_BLANKING_PCK_BIN, 0, 184);
0116
0117     return 0;
0118 }
0119
0120 static int jt8ev1_post_poweron(struct ccs_sensor *sensor)
0121 {
0122     struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
0123     int rval;
0124     static const struct ccs_reg_8 regs[] = {
0125         { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
0126         { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
0127         { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
0128         { 0x3238, 0x43 },
0129         { 0x3301, 0x06 }, /* For analog bias for sensor */
0130         { 0x3302, 0x06 },
0131         { 0x3304, 0x00 },
0132         { 0x3305, 0x88 },
0133         { 0x332a, 0x14 },
0134         { 0x332c, 0x6b },
0135         { 0x3336, 0x01 },
0136         { 0x333f, 0x1f },
0137         { 0x3355, 0x00 },
0138         { 0x3356, 0x20 },
0139         { 0x33bf, 0x20 }, /* Adjust the FBC speed */
0140         { 0x33c9, 0x20 },
0141         { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
0142         { 0x33cf, 0xec }, /* For Black sun */
0143         { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
0144     };
0145     static const struct ccs_reg_8 regs_96[] = {
0146         { 0x30ae, 0x00 }, /* For control of ADC clock */
0147         { 0x30af, 0xd0 },
0148         { 0x30b0, 0x01 },
0149     };
0150
0151     rval = ccs_write_addr_8s(sensor, regs, ARRAY_SIZE(regs));
0152     if (rval < 0)
0153         return rval;
0154
0155     switch (sensor->hwcfg.ext_clk) {
0156     case 9600000:
0157         return ccs_write_addr_8s(sensor, regs_96,
0158                        ARRAY_SIZE(regs_96));
0159     default:
0160         dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
0161              sensor->hwcfg.ext_clk);
0162         return 0;
0163     }
0164 }
0165
0166 static int jt8ev1_pre_streamon(struct ccs_sensor *sensor)
0167 {
0168     return ccs_write_addr(sensor, 0x3328, 0x00);
0169 }
0170
0171 static int jt8ev1_post_streamoff(struct ccs_sensor *sensor)
0172 {
0173     int rval;
0174
0175     /* Workaround: allows fast standby to work properly */
0176     rval = ccs_write_addr(sensor, 0x3205, 0x04);
0177     if (rval < 0)
0178         return rval;
0179
0180     /* Wait for 1 ms + one line => 2 ms is likely enough */
0181     usleep_range(2000, 2050);
0182
0183     /* Restore it */
0184     rval = ccs_write_addr(sensor, 0x3205, 0x00);
0185     if (rval < 0)
0186         return rval;
0187
0188     return ccs_write_addr(sensor, 0x3328, 0x80);
0189 }
0190
0191 static int jt8ev1_init(struct ccs_sensor *sensor)
0192 {
0193     sensor->pll.flags |= CCS_PLL_FLAG_LANE_SPEED_MODEL |
0194         CCS_PLL_FLAG_LINK_DECOUPLED;
0195     sensor->pll.vt_lanes = 1;
0196     sensor->pll.op_lanes = sensor->pll.csi2.lanes;
0197
0198     return 0;
0199 }
0200
0201 const struct ccs_quirk smiapp_jt8ev1_quirk = {
0202     .limits = jt8ev1_limits,
0203     .post_poweron = jt8ev1_post_poweron,
0204     .pre_streamon = jt8ev1_pre_streamon,
0205     .post_streamoff = jt8ev1_post_streamoff,
0206     .init = jt8ev1_init,
0207 };
0208
0209 static int tcm8500md_limits(struct ccs_sensor *sensor)
0210 {
0211     ccs_replace_limit(sensor, CCS_L_MIN_PLL_IP_CLK_FREQ_MHZ, 0, 2700000);
0212
0213     return 0;
0214 }
0215
0216 const struct ccs_quirk smiapp_tcm8500md_quirk = {
0217     .limits = tcm8500md_limits,
0218 };