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smiapp-quirk.c
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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 <[email protected]>
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 
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 
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 
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 
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 
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 */
120 
121  return 0;
122 }
123 
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 
163  .limits = jt8ew9_limits,
164  .post_poweron = jt8ew9_post_poweron,
165 };
166 
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 
184  .post_poweron = imx125es_post_poweron,
185 };
186 
187 static int jt8ev1_limits(struct smiapp_sensor *sensor)
188 {
190  smiapp_replace_limit(sensor,
192 
193  return 0;
194 }
195 
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 
244 static int jt8ev1_pre_streamon(struct smiapp_sensor *sensor)
245 {
246  return smiapp_write_8(sensor, 0x3328, 0x00);
247 }
248 
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 
270  .limits = jt8ev1_limits,
271  .post_poweron = jt8ev1_post_poweron,
272  .pre_streamon = jt8ev1_pre_streamon,
273  .post_streamoff = jt8ev1_post_streamoff,
275 };
276 
277 static int tcm8500md_limits(struct smiapp_sensor *sensor)
278 {
280 
281  return 0;
282 }
283 
285  .limits = tcm8500md_limits,
286 };