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 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
21 * 02110-1301 USA
22 *
23 */
24
25 #include <linux/delay.h>
26
27 #include "smiapp.h"
28
smiapp_write_8(struct smiapp_sensor * sensor,u16 reg,u8 val)29 static int smiapp_write_8(struct smiapp_sensor *sensor, u16 reg, u8 val)
30 {
31 return smiapp_write(sensor, (SMIA_REG_8BIT << 16) | reg, val);
32 }
33
smiapp_write_8s(struct smiapp_sensor * sensor,struct smiapp_reg_8 * regs,int len)34 static int smiapp_write_8s(struct smiapp_sensor *sensor,
35 struct smiapp_reg_8 *regs, int len)
36 {
37 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
38 int rval;
39
40 for (; len > 0; len--, regs++) {
41 rval = smiapp_write_8(sensor, regs->reg, regs->val);
42 if (rval < 0) {
43 dev_err(&client->dev,
44 "error %d writing reg 0x%4.4x, val 0x%2.2x",
45 rval, regs->reg, regs->val);
46 return rval;
47 }
48 }
49
50 return 0;
51 }
52
smiapp_replace_limit(struct smiapp_sensor * sensor,u32 limit,u32 val)53 void smiapp_replace_limit(struct smiapp_sensor *sensor,
54 u32 limit, u32 val)
55 {
56 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
57
58 dev_dbg(&client->dev, "quirk: 0x%8.8x \"%s\" = %d, 0x%x\n",
59 smiapp_reg_limits[limit].addr,
60 smiapp_reg_limits[limit].what, val, val);
61 sensor->limits[limit] = val;
62 }
63
smiapp_quirk_reg(struct smiapp_sensor * sensor,u32 reg,u32 * val)64 bool smiapp_quirk_reg(struct smiapp_sensor *sensor,
65 u32 reg, u32 *val)
66 {
67 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
68 const struct smia_reg *sreg;
69
70 if (!sensor->minfo.quirk)
71 return false;
72
73 sreg = sensor->minfo.quirk->regs;
74
75 if (!sreg)
76 return false;
77
78 while (sreg->type) {
79 u16 type = reg >> 16;
80 u16 reg16 = reg;
81
82 if (sreg->type != type || sreg->reg != reg16) {
83 sreg++;
84 continue;
85 }
86
87 switch ((u8)type) {
88 case SMIA_REG_8BIT:
89 dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%2.2x\n",
90 reg, sreg->val);
91 break;
92 case SMIA_REG_16BIT:
93 dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%4.4x\n",
94 reg, sreg->val);
95 break;
96 case SMIA_REG_32BIT:
97 dev_dbg(&client->dev, "quirk: 0x%8.8x: 0x%8.8x\n",
98 reg, sreg->val);
99 break;
100 }
101
102 *val = sreg->val;
103
104 return true;
105 }
106
107 return false;
108 }
109
jt8ew9_limits(struct smiapp_sensor * sensor)110 static int jt8ew9_limits(struct smiapp_sensor *sensor)
111 {
112 if (sensor->minfo.revision_number_major < 0x03)
113 sensor->frame_skip = 1;
114
115 /* Below 24 gain doesn't have effect at all, */
116 /* but ~59 is needed for full dynamic range */
117 smiapp_replace_limit(sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MIN, 59);
118 smiapp_replace_limit(
119 sensor, SMIAPP_LIMIT_ANALOGUE_GAIN_CODE_MAX, 6000);
120
121 return 0;
122 }
123
jt8ew9_post_poweron(struct smiapp_sensor * sensor)124 static int jt8ew9_post_poweron(struct smiapp_sensor *sensor)
125 {
126 struct smiapp_reg_8 regs[] = {
127 { 0x30a3, 0xd8 }, /* Output port control : LVDS ports only */
128 { 0x30ae, 0x00 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
129 { 0x30af, 0xd0 }, /* 0x0307 pll_multiplier maximum value on PLL input 9.6MHz ( 19.2MHz is divided on pre_pll_div) */
130 { 0x322d, 0x04 }, /* Adjusting Processing Image Size to Scaler Toshiba Recommendation Setting */
131 { 0x3255, 0x0f }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
132 { 0x3256, 0x15 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
133 { 0x3258, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
134 { 0x3259, 0x70 }, /* Analog Gain Control Toshiba Recommendation Setting */
135 { 0x325f, 0x7c }, /* Analog Gain Control Toshiba Recommendation Setting */
136 { 0x3302, 0x06 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
137 { 0x3304, 0x00 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
138 { 0x3307, 0x22 }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
139 { 0x3308, 0x8d }, /* Pixel Reference Voltage Control Toshiba Recommendation Setting */
140 { 0x331e, 0x0f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
141 { 0x3320, 0x30 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
142 { 0x3321, 0x11 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
143 { 0x3322, 0x98 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
144 { 0x3323, 0x64 }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
145 { 0x3325, 0x83 }, /* Read Out Timing Control Toshiba Recommendation Setting */
146 { 0x3330, 0x18 }, /* Read Out Timing Control Toshiba Recommendation Setting */
147 { 0x333c, 0x01 }, /* Read Out Timing Control Toshiba Recommendation Setting */
148 { 0x3345, 0x2f }, /* Black Hole Sun Correction Control Toshiba Recommendation Setting */
149 { 0x33de, 0x38 }, /* Horizontal Noise Reduction Control Toshiba Recommendation Setting */
150 /* Taken from v03. No idea what the rest are. */
151 { 0x32e0, 0x05 },
152 { 0x32e1, 0x05 },
153 { 0x32e2, 0x04 },
154 { 0x32e5, 0x04 },
155 { 0x32e6, 0x04 },
156
157 };
158
159 return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
160 }
161
162 const struct smiapp_quirk smiapp_jt8ew9_quirk = {
163 .limits = jt8ew9_limits,
164 .post_poweron = jt8ew9_post_poweron,
165 };
166
imx125es_post_poweron(struct smiapp_sensor * sensor)167 static int imx125es_post_poweron(struct smiapp_sensor *sensor)
168 {
169 /* Taken from v02. No idea what the other two are. */
170 struct smiapp_reg_8 regs[] = {
171 /*
172 * 0x3302: clk during frame blanking:
173 * 0x00 - HS mode, 0x01 - LP11
174 */
175 { 0x3302, 0x01 },
176 { 0x302d, 0x00 },
177 { 0x3b08, 0x8c },
178 };
179
180 return smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
181 }
182
183 const struct smiapp_quirk smiapp_imx125es_quirk = {
184 .post_poweron = imx125es_post_poweron,
185 };
186
jt8ev1_limits(struct smiapp_sensor * sensor)187 static int jt8ev1_limits(struct smiapp_sensor *sensor)
188 {
189 smiapp_replace_limit(sensor, SMIAPP_LIMIT_X_ADDR_MAX, 4271);
190 smiapp_replace_limit(sensor,
191 SMIAPP_LIMIT_MIN_LINE_BLANKING_PCK_BIN, 184);
192
193 return 0;
194 }
195
jt8ev1_post_poweron(struct smiapp_sensor * sensor)196 static int jt8ev1_post_poweron(struct smiapp_sensor *sensor)
197 {
198 struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
199 int rval;
200
201 struct smiapp_reg_8 regs[] = {
202 { 0x3031, 0xcd }, /* For digital binning (EQ_MONI) */
203 { 0x30a3, 0xd0 }, /* FLASH STROBE enable */
204 { 0x3237, 0x00 }, /* For control of pulse timing for ADC */
205 { 0x3238, 0x43 },
206 { 0x3301, 0x06 }, /* For analog bias for sensor */
207 { 0x3302, 0x06 },
208 { 0x3304, 0x00 },
209 { 0x3305, 0x88 },
210 { 0x332a, 0x14 },
211 { 0x332c, 0x6b },
212 { 0x3336, 0x01 },
213 { 0x333f, 0x1f },
214 { 0x3355, 0x00 },
215 { 0x3356, 0x20 },
216 { 0x33bf, 0x20 }, /* Adjust the FBC speed */
217 { 0x33c9, 0x20 },
218 { 0x33ce, 0x30 }, /* Adjust the parameter for logic function */
219 { 0x33cf, 0xec }, /* For Black sun */
220 { 0x3328, 0x80 }, /* Ugh. No idea what's this. */
221 };
222
223 struct smiapp_reg_8 regs_96[] = {
224 { 0x30ae, 0x00 }, /* For control of ADC clock */
225 { 0x30af, 0xd0 },
226 { 0x30b0, 0x01 },
227 };
228
229 rval = smiapp_write_8s(sensor, regs, ARRAY_SIZE(regs));
230 if (rval < 0)
231 return rval;
232
233 switch (sensor->platform_data->ext_clk) {
234 case 9600000:
235 return smiapp_write_8s(sensor, regs_96,
236 ARRAY_SIZE(regs_96));
237 default:
238 dev_warn(&client->dev, "no MSRs for %d Hz ext_clk\n",
239 sensor->platform_data->ext_clk);
240 return 0;
241 }
242 }
243
jt8ev1_pre_streamon(struct smiapp_sensor * sensor)244 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
245 {
246 return smiapp_write_8(sensor, 0x3328, 0x00);
247 }
248
jt8ev1_post_streamoff(struct smiapp_sensor * sensor)249 static int jt8ev1_post_streamoff(struct smiapp_sensor *sensor)
250 {
251 int rval;
252
253 /* Workaround: allows fast standby to work properly */
254 rval = smiapp_write_8(sensor, 0x3205, 0x04);
255 if (rval < 0)
256 return rval;
257
258 /* Wait for 1 ms + one line => 2 ms is likely enough */
259 usleep_range(2000, 2000);
260
261 /* Restore it */
262 rval = smiapp_write_8(sensor, 0x3205, 0x00);
263 if (rval < 0)
264 return rval;
265
266 return smiapp_write_8(sensor, 0x3328, 0x80);
267 }
268
269 const struct smiapp_quirk smiapp_jt8ev1_quirk = {
270 .limits = jt8ev1_limits,
271 .post_poweron = jt8ev1_post_poweron,
272 .pre_streamon = jt8ev1_pre_streamon,
273 .post_streamoff = jt8ev1_post_streamoff,
274 .flags = SMIAPP_QUIRK_FLAG_OP_PIX_CLOCK_PER_LANE,
275 };
276
tcm8500md_limits(struct smiapp_sensor * sensor)277 static int tcm8500md_limits(struct smiapp_sensor *sensor)
278 {
279 smiapp_replace_limit(sensor, SMIAPP_LIMIT_MIN_PLL_IP_FREQ_HZ, 2700000);
280
281 return 0;
282 }
283
284 const struct smiapp_quirk smiapp_tcm8500md_quirk = {
285 .limits = tcm8500md_limits,
286 };
287