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