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
smiapp_write_8(struct smiapp_sensor * sensor,u16 reg,u8 val)23 static 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
smiapp_write_8s(struct smiapp_sensor * sensor,const struct smiapp_reg_8 * regs,int len)28 static int smiapp_write_8s(struct smiapp_sensor *sensor,
29 const 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
smiapp_replace_limit(struct smiapp_sensor * sensor,u32 limit,u32 val)47 void 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
jt8ew9_limits(struct smiapp_sensor * sensor)58 static 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
jt8ew9_post_poweron(struct smiapp_sensor * sensor)72 static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
73 {
74 static const 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
110 const struct smiapp_quirk smiapp_jt8ew9_quirk = {
111 .limits = jt8ew9_limits,
112 .post_poweron = jt8ew9_post_poweron,
113 };
114
imx125es_post_poweron(struct smiapp_sensor * sensor)115 static int imx125es_post_poweron(struct smiapp_sensor *sensor)
116 {
117 /* Taken from v02. No idea what the other two are. */
118 static const 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
131 const struct smiapp_quirk smiapp_imx125es_quirk = {
132 .post_poweron = imx125es_post_poweron,
133 };
134
jt8ev1_limits(struct smiapp_sensor * sensor)135 static 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
jt8ev1_post_poweron(struct smiapp_sensor * sensor)144 static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
145 {
146 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
147 int rval;
148 static const struct smiapp_reg_8 regs[] = {
149 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
150 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
151 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
152 { 0x3238, 0x43 },
153 { 0x3301, 0x06 }, /* For analog bias for sensor */
154 { 0x3302, 0x06 },
155 { 0x3304, 0x00 },
156 { 0x3305, 0x88 },
157 { 0x332a, 0x14 },
158 { 0x332c, 0x6b },
159 { 0x3336, 0x01 },
160 { 0x333f, 0x1f },
161 { 0x3355, 0x00 },
162 { 0x3356, 0x20 },
163 { 0x33bf, 0x20 }, /* Adjust the FBC speed */
164 { 0x33c9, 0x20 },
165 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
166 { 0x33cf, 0xec }, /* For Black sun */
167 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
168 };
169 static const struct smiapp_reg_8 regs_96[] = {
170 { 0x30ae, 0x00 }, /* For control of ADC clock */
171 { 0x30af, 0xd0 },
172 { 0x30b0, 0x01 },
173 };
174
175 rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
176 if (rval < 0)
177 return rval;
178
179 switch (sensor->hwcfg->ext_clk) {
180 case 9600000:
181 return smiapp_write_8s(sensor, regs_96,
182 ARRAY_SIZE(regs_96));
183 default:
184 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
185 sensor->hwcfg->ext_clk);
186 return 0;
187 }
188 }
189
jt8ev1_pre_streamon(struct smiapp_sensor * sensor)190 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
191 {
192 return smiapp_write_8(sensor, 0x3328, 0x00);
193 }
194
jt8ev1_post_streamoff(struct smiapp_sensor * sensor)195 static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
196 {
197 int rval;
198
199 /* Workaround: allows fast standby to work properly */
200 rval = smiapp_write_8(sensor, 0x3205, 0x04);
201 if (rval < 0)
202 return rval;
203
204 /* Wait for 1 ms + one line => 2 ms is likely enough */
205 usleep_range(2000, 2000);
206
207 /* Restore it */
208 rval = smiapp_write_8(sensor, 0x3205, 0x00);
209 if (rval < 0)
210 return rval;
211
212 return smiapp_write_8(sensor, 0x3328, 0x80);
213 }
214
jt8ev1_init(struct smiapp_sensor * sensor)215 static int jt8ev1_init(struct smiapp_sensor *sensor)
216 {
217 sensor->pll.flags |= SMIAPP_PLL_FLAG_OP_PIX_CLOCK_PER_LANE;
218
219 return 0;
220 }
221
222 const struct smiapp_quirk smiapp_jt8ev1_quirk = {
223 .limits = jt8ev1_limits,
224 .post_poweron = jt8ev1_post_poweron,
225 .pre_streamon = jt8ev1_pre_streamon,
226 .post_streamoff = jt8ev1_post_streamoff,
227 .init = jt8ev1_init,
228 };
229
tcm8500md_limits(struct smiapp_sensor * sensor)230 static int tcm8500md_limits(struct smiapp_sensor *sensor)
231 {
232 smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
233
234 return 0;
235 }
236
237 const struct smiapp_quirk smiapp_tcm8500md_quirk = {
238 .limits = tcm8500md_limits,
239 };
240
