1 /*
2  * Driver for the s5k83a sensor
3  *
4  * Copyright (C) 2008 Erik Andrén
5  * Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
6  * Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
7  *
8  * Portions of code to USB interface and ALi driver software,
9  * Copyright (c) 2006 Willem Duinker
10  * v4l2 interface modeled after the V4L2 driver
11  * for SN9C10x PC Camera Controllers
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License as
15  * published by the Free Software Foundation, version 2.
16  *
17  */
18 
19 #ifndef M5602_S5K83A_H_
20 #define M5602_S5K83A_H_
21 
22 #include "m5602_sensor.h"
23 
24 #define S5K83A_FLIP			0x01
25 #define S5K83A_HFLIP_TUNE		0x03
26 #define S5K83A_VFLIP_TUNE		0x05
27 #define S5K83A_BRIGHTNESS		0x0a
28 #define S5K83A_EXPOSURE			0x18
29 #define S5K83A_GAIN			0x1b
30 #define S5K83A_PAGE_MAP			0xec
31 
32 #define S5K83A_DEFAULT_GAIN		0x71
33 #define S5K83A_DEFAULT_BRIGHTNESS	0x7e
34 #define S5K83A_DEFAULT_EXPOSURE		0x00
35 #define S5K83A_MAXIMUM_EXPOSURE		0x3c
36 #define S5K83A_FLIP_MASK		0x10
37 #define S5K83A_GPIO_LED_MASK		0x10
38 #define S5K83A_GPIO_ROTATION_MASK	0x40
39 
40 /*****************************************************************************/
41 
42 /* Kernel module parameters */
43 extern int force_sensor;
44 extern bool dump_sensor;
45 
46 int s5k83a_probe(struct sd *sd);
47 int s5k83a_init(struct sd *sd);
48 int s5k83a_init_controls(struct sd *sd);
49 int s5k83a_start(struct sd *sd);
50 int s5k83a_stop(struct sd *sd);
51 void s5k83a_disconnect(struct sd *sd);
52 
53 static const struct m5602_sensor s5k83a = {
54 	.name = "S5K83A",
55 	.probe = s5k83a_probe,
56 	.init = s5k83a_init,
57 	.init_controls = s5k83a_init_controls,
58 	.start = s5k83a_start,
59 	.stop = s5k83a_stop,
60 	.disconnect = s5k83a_disconnect,
61 	.i2c_slave_id = 0x5a,
62 	.i2c_regW = 2,
63 };
64 
65 static const unsigned char preinit_s5k83a[][4] = {
66 	{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
67 	{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
68 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
69 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
70 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
71 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00},
72 	{BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00},
73 
74 	{BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
75 	{BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
76 	{BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00},
77 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00},
78 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00},
79 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
80 	{BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00},
81 	{BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
82 	{BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
83 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00},
84 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00},
85 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
86 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
87 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
88 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
89 	{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
90 	{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
91 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
92 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00},
93 	{BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
94 	{BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00},
95 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
96 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00},
97 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
98 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
99 	{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00},
100 };
101 
102 /* This could probably be considerably shortened.
103    I don't have the hardware to experiment with it, patches welcome
104 */
105 static const unsigned char init_s5k83a[][4] = {
106 	/* The following sequence is useless after a clean boot
107 	   but is necessary after resume from suspend */
108 	{BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
109 	{BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00},
110 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00},
111 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00},
112 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
113 	{BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00},
114 	{BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
115 	{BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
116 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00},
117 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00},
118 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
119 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
120 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
121 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
122 	{BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
123 	{BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
124 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
125 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00},
126 	{BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
127 	{BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00},
128 	{BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
129 	{BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00},
130 	{BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
131 	{BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
132 	{BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00},
133 
134 	{SENSOR, S5K83A_PAGE_MAP, 0x04, 0x00},
135 	{SENSOR, 0xaf, 0x01, 0x00},
136 	{SENSOR, S5K83A_PAGE_MAP, 0x00, 0x00},
137 	{SENSOR, 0x7b, 0xff, 0x00},
138 	{SENSOR, S5K83A_PAGE_MAP, 0x05, 0x00},
139 	{SENSOR, 0x01, 0x50, 0x00},
140 	{SENSOR, 0x12, 0x20, 0x00},
141 	{SENSOR, 0x17, 0x40, 0x00},
142 	{SENSOR, 0x1c, 0x00, 0x00},
143 	{SENSOR, 0x02, 0x70, 0x00},
144 	{SENSOR, 0x03, 0x0b, 0x00},
145 	{SENSOR, 0x04, 0xf0, 0x00},
146 	{SENSOR, 0x05, 0x0b, 0x00},
147 	{SENSOR, 0x06, 0x71, 0x00},
148 	{SENSOR, 0x07, 0xe8, 0x00}, /* 488 */
149 	{SENSOR, 0x08, 0x02, 0x00},
150 	{SENSOR, 0x09, 0x88, 0x00}, /* 648 */
151 	{SENSOR, 0x14, 0x00, 0x00},
152 	{SENSOR, 0x15, 0x20, 0x00}, /* 32 */
153 	{SENSOR, 0x19, 0x00, 0x00},
154 	{SENSOR, 0x1a, 0x98, 0x00}, /* 152 */
155 	{SENSOR, 0x0f, 0x02, 0x00},
156 	{SENSOR, 0x10, 0xe5, 0x00}, /* 741 */
157 	/* normal colors
158 	(this is value after boot, but after tries can be different) */
159 	{SENSOR, 0x00, 0x06, 0x00},
160 };
161 
162 static const unsigned char start_s5k83a[][4] = {
163 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00},
164 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
165 	{BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
166 	{BRIDGE, M5602_XB_SENSOR_TYPE, 0x09, 0x00},
167 	{BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00},
168 	{BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00},
169 	{BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00},
170 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
171 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
172 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
173 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
174 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00},
175 	{BRIDGE, M5602_XB_VSYNC_PARA, 0xe4, 0x00}, /* 484 */
176 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
177 	{BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
178 	{BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
179 	{BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00},
180 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
181 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
182 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00},
183 	{BRIDGE, M5602_XB_HSYNC_PARA, 0x7f, 0x00}, /* 639 */
184 	{BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
185 	{BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
186 	{BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
187 };
188 #endif
189