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(sd: &sensor->src->sd);
21 int rval;
22
23 for (; len > 0; len--, regs++) {
24 rval = ccs_write_addr(sensor, reg: regs->reg, val: 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, offset: 0, val: 59);
44 ccs_replace_limit(sensor, CCS_L_ANALOG_GAIN_CODE_MAX, offset: 0, val: 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, offset: 0, val: 4271);
115 ccs_replace_limit(sensor, CCS_L_MIN_LINE_BLANKING_PCK_BIN, offset: 0, val: 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(sd: &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: 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, reg: 0x3328, val: 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, reg: 0x3205, val: 0x04);
177 if (rval < 0)
178 return rval;
179
180 /* Wait for 1 ms + one line => 2 ms is likely enough */
181 usleep_range(min: 2000, max: 2050);
182
183 /* Restore it */
184 rval = ccs_write_addr(sensor, reg: 0x3205, val: 0x00);
185 if (rval < 0)
186 return rval;
187
188 return ccs_write_addr(sensor, reg: 0x3328, val: 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, offset: 0, val: 2700000);
212
213 return 0;
214}
215
216const struct ccs_quirk smiapp_tcm8500md_quirk = {
217 .limits = tcm8500md_limits,
218};
219

source code of linux/drivers/media/i2c/ccs/ccs-quirk.c