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19#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
20
21#include "m5602_s5k4aa.h"
22
23static const unsigned char preinit_s5k4aa[][4] = {
24 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
25 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
26 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
27 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
28 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
29 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00},
30 {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00},
31
32 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
33 {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00},
34 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00},
35 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00},
36 {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00},
37 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00},
38 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
39 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
40 {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00},
41 {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00},
42 {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
43 {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
44 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
45 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
46 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
47 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00},
48
49 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
50 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
51 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
52 {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00},
53 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
54 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00},
55 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
56 {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00},
57 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
58 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00},
59 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
60 {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
61 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00},
62
63 {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00}
64};
65
66static const unsigned char init_s5k4aa[][4] = {
67 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
68 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
69 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
70 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
71 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
72 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x0d, 0x00},
73 {BRIDGE, M5602_XB_SENSOR_CTRL, 0x00, 0x00},
74
75 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
76 {BRIDGE, M5602_XB_GPIO_DAT, 0x08, 0x00},
77 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0xb0, 0x00},
78 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0x80, 0x00},
79 {BRIDGE, M5602_XB_GPIO_EN_H, 0x3f, 0x00},
80 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x3f, 0x00},
81 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
82 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
83 {BRIDGE, M5602_XB_GPIO_DAT, 0x00, 0x00},
84 {BRIDGE, M5602_XB_GPIO_EN_L, 0xff, 0x00},
85 {BRIDGE, M5602_XB_GPIO_DIR_L, 0xff, 0x00},
86 {BRIDGE, M5602_XB_GPIO_DAT_L, 0x00, 0x00},
87 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
88 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
89 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
90 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00},
91
92 {BRIDGE, M5602_XB_MCU_CLK_DIV, 0x02, 0x00},
93 {BRIDGE, M5602_XB_MCU_CLK_CTRL, 0xb0, 0x00},
94 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
95 {BRIDGE, M5602_XB_GPIO_DAT, 0x14, 0x00},
96 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
97 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xf0, 0x00},
98 {BRIDGE, M5602_XB_GPIO_DIR, 0x1d, 0x00},
99 {BRIDGE, M5602_XB_GPIO_DAT, 0x1c, 0x00},
100 {BRIDGE, M5602_XB_GPIO_EN_H, 0x06, 0x00},
101 {BRIDGE, M5602_XB_GPIO_DIR_H, 0x06, 0x00},
102 {BRIDGE, M5602_XB_GPIO_DAT_H, 0x00, 0x00},
103 {BRIDGE, M5602_XB_GPIO_EN_L, 0x00, 0x00},
104 {BRIDGE, M5602_XB_I2C_CLK_DIV, 0x20, 0x00},
105
106 {SENSOR, S5K4AA_PAGE_MAP, 0x07, 0x00},
107 {SENSOR, 0x36, 0x01, 0x00},
108 {SENSOR, S5K4AA_PAGE_MAP, 0x00, 0x00},
109 {SENSOR, 0x7b, 0xff, 0x00},
110 {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
111 {SENSOR, 0x0c, 0x05, 0x00},
112 {SENSOR, 0x02, 0x0e, 0x00},
113 {SENSOR, S5K4AA_READ_MODE, 0xa0, 0x00},
114 {SENSOR, 0x37, 0x00, 0x00},
115};
116
117static const unsigned char VGA_s5k4aa[][4] = {
118 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00},
119 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
120 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
121 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00},
122 {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00},
123 {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00},
124 {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00},
125 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
126 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
127 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
128 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
129
130 {BRIDGE, M5602_XB_VSYNC_PARA, 0x01, 0x00},
131 {BRIDGE, M5602_XB_VSYNC_PARA, 0xe0, 0x00},
132 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
133 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
134 {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
135 {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00},
136 {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
137 {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
138
139 {BRIDGE, M5602_XB_HSYNC_PARA, 0x02, 0x00},
140 {BRIDGE, M5602_XB_HSYNC_PARA, 0x80, 0x00},
141 {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
142 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
143 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00},
144
145 {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
146 {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP | S5K4AA_RM_ROW_SKIP_2X
147 | S5K4AA_RM_COL_SKIP_2X, 0x00},
148
149
150 {SENSOR, 0x37, 0x01, 0x00},
151
152 {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00},
153 {SENSOR, S5K4AA_ROWSTART_LO, 0x29, 0x00},
154 {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00},
155 {SENSOR, S5K4AA_COLSTART_LO, 0x0c, 0x00},
156
157 {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x03, 0x00},
158 {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0xc0, 0x00},
159
160 {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00},
161 {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00},
162 {SENSOR, S5K4AA_H_BLANK_HI__, 0x00, 0x00},
163 {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00},
164 {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00},
165 {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00},
166 {SENSOR, 0x11, 0x04, 0x00},
167 {SENSOR, 0x12, 0xc3, 0x00},
168 {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
169 {SENSOR, 0x02, 0x0e, 0x00},
170};
171
172static const unsigned char SXGA_s5k4aa[][4] = {
173 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x06, 0x00},
174 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xb0, 0x00},
175 {BRIDGE, M5602_XB_ADC_CTRL, 0xc0, 0x00},
176 {BRIDGE, M5602_XB_SENSOR_TYPE, 0x08, 0x00},
177 {BRIDGE, M5602_XB_LINE_OF_FRAME_H, 0x81, 0x00},
178 {BRIDGE, M5602_XB_PIX_OF_LINE_H, 0x82, 0x00},
179 {BRIDGE, M5602_XB_SIG_INI, 0x01, 0x00},
180 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
181 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
182 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
183 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
184
185 {BRIDGE, M5602_XB_VSYNC_PARA, 0x04, 0x00},
186 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
187 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
188 {BRIDGE, M5602_XB_VSYNC_PARA, 0x00, 0x00},
189 {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
190 {BRIDGE, M5602_XB_SIG_INI, 0x02, 0x00},
191 {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
192 {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
193
194 {BRIDGE, M5602_XB_HSYNC_PARA, 0x05, 0x00},
195 {BRIDGE, M5602_XB_HSYNC_PARA, 0x00, 0x00},
196 {BRIDGE, M5602_XB_SIG_INI, 0x00, 0x00},
197 {BRIDGE, M5602_XB_SEN_CLK_DIV, 0x00, 0x00},
198 {BRIDGE, M5602_XB_SEN_CLK_CTRL, 0xa0, 0x00},
199
200 {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
201 {SENSOR, S5K4AA_READ_MODE, S5K4AA_RM_H_FLIP, 0x00},
202 {SENSOR, 0x37, 0x01, 0x00},
203 {SENSOR, S5K4AA_ROWSTART_HI, 0x00, 0x00},
204 {SENSOR, S5K4AA_ROWSTART_LO, 0x09, 0x00},
205 {SENSOR, S5K4AA_COLSTART_HI, 0x00, 0x00},
206 {SENSOR, S5K4AA_COLSTART_LO, 0x0a, 0x00},
207 {SENSOR, S5K4AA_WINDOW_HEIGHT_HI, 0x04, 0x00},
208 {SENSOR, S5K4AA_WINDOW_HEIGHT_LO, 0x00, 0x00},
209 {SENSOR, S5K4AA_WINDOW_WIDTH_HI, 0x05, 0x00},
210 {SENSOR, S5K4AA_WINDOW_WIDTH_LO, 0x00, 0x00},
211 {SENSOR, S5K4AA_H_BLANK_HI__, 0x01, 0x00},
212 {SENSOR, S5K4AA_H_BLANK_LO__, 0xa8, 0x00},
213 {SENSOR, S5K4AA_EXPOSURE_HI, 0x01, 0x00},
214 {SENSOR, S5K4AA_EXPOSURE_LO, 0x00, 0x00},
215 {SENSOR, 0x11, 0x04, 0x00},
216 {SENSOR, 0x12, 0xc3, 0x00},
217 {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00},
218 {SENSOR, 0x02, 0x0e, 0x00},
219};
220
221
222static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl);
223static void s5k4aa_dump_registers(struct sd *sd);
224
225static const struct v4l2_ctrl_ops s5k4aa_ctrl_ops = {
226 .s_ctrl = s5k4aa_s_ctrl,
227};
228
229static
230 const
231 struct dmi_system_id s5k4aa_vflip_dmi_table[] = {
232 {
233 .ident = "BRUNEINIT",
234 .matches = {
235 DMI_MATCH(DMI_SYS_VENDOR, "BRUNENIT"),
236 DMI_MATCH(DMI_PRODUCT_NAME, "BRUNENIT"),
237 DMI_MATCH(DMI_BOARD_VERSION, "00030D0000000001")
238 }
239 }, {
240 .ident = "Fujitsu-Siemens Amilo Xa 2528",
241 .matches = {
242 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
243 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528")
244 }
245 }, {
246 .ident = "Fujitsu-Siemens Amilo Xi 2428",
247 .matches = {
248 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
249 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428")
250 }
251 }, {
252 .ident = "Fujitsu-Siemens Amilo Xi 2528",
253 .matches = {
254 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
255 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2528")
256 }
257 }, {
258 .ident = "Fujitsu-Siemens Amilo Xi 2550",
259 .matches = {
260 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
261 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2550")
262 }
263 }, {
264 .ident = "Fujitsu-Siemens Amilo Pa 2548",
265 .matches = {
266 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
267 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pa 2548")
268 }
269 }, {
270 .ident = "Fujitsu-Siemens Amilo Pi 2530",
271 .matches = {
272 DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
273 DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 2530")
274 }
275 }, {
276 .ident = "MSI GX700",
277 .matches = {
278 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
279 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
280 DMI_MATCH(DMI_BIOS_DATE, "12/02/2008")
281 }
282 }, {
283 .ident = "MSI GX700",
284 .matches = {
285 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
286 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
287 DMI_MATCH(DMI_BIOS_DATE, "07/26/2007")
288 }
289 }, {
290 .ident = "MSI GX700",
291 .matches = {
292 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
293 DMI_MATCH(DMI_PRODUCT_NAME, "GX700"),
294 DMI_MATCH(DMI_BIOS_DATE, "07/19/2007")
295 }
296 }, {
297 .ident = "MSI GX700/GX705/EX700",
298 .matches = {
299 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
300 DMI_MATCH(DMI_PRODUCT_NAME, "GX700/GX705/EX700")
301 }
302 }, {
303 .ident = "MSI L735",
304 .matches = {
305 DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star International"),
306 DMI_MATCH(DMI_PRODUCT_NAME, "MS-1717X")
307 }
308 }, {
309 .ident = "Lenovo Y300",
310 .matches = {
311 DMI_MATCH(DMI_SYS_VENDOR, "L3000 Y300"),
312 DMI_MATCH(DMI_PRODUCT_NAME, "Y300")
313 }
314 },
315 { }
316};
317
318static struct v4l2_pix_format s5k4aa_modes[] = {
319 {
320 640,
321 480,
322 V4L2_PIX_FMT_SBGGR8,
323 V4L2_FIELD_NONE,
324 .sizeimage =
325 640 * 480,
326 .bytesperline = 640,
327 .colorspace = V4L2_COLORSPACE_SRGB,
328 .priv = 0
329 },
330 {
331 1280,
332 1024,
333 V4L2_PIX_FMT_SBGGR8,
334 V4L2_FIELD_NONE,
335 .sizeimage =
336 1280 * 1024,
337 .bytesperline = 1280,
338 .colorspace = V4L2_COLORSPACE_SRGB,
339 .priv = 0
340 }
341};
342
343int s5k4aa_probe(struct sd *sd)
344{
345 u8 prod_id[6] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
346 const u8 expected_prod_id[6] = {0x00, 0x10, 0x00, 0x4b, 0x33, 0x75};
347 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
348 int i, err = 0;
349
350 if (force_sensor) {
351 if (force_sensor == S5K4AA_SENSOR) {
352 pr_info("Forcing a %s sensor\n", s5k4aa.name);
353 goto sensor_found;
354 }
355
356
357 return -ENODEV;
358 }
359
360 gspca_dbg(gspca_dev, D_PROBE, "Probing for a s5k4aa sensor\n");
361
362
363 for (i = 0; i < ARRAY_SIZE(preinit_s5k4aa) && !err; i++) {
364 u8 data[2] = {0x00, 0x00};
365
366 switch (preinit_s5k4aa[i][0]) {
367 case BRIDGE:
368 err = m5602_write_bridge(sd,
369 preinit_s5k4aa[i][1],
370 preinit_s5k4aa[i][2]);
371 break;
372
373 case SENSOR:
374 data[0] = preinit_s5k4aa[i][2];
375 err = m5602_write_sensor(sd,
376 preinit_s5k4aa[i][1],
377 data, 1);
378 break;
379
380 case SENSOR_LONG:
381 data[0] = preinit_s5k4aa[i][2];
382 data[1] = preinit_s5k4aa[i][3];
383 err = m5602_write_sensor(sd,
384 preinit_s5k4aa[i][1],
385 data, 2);
386 break;
387 default:
388 pr_info("Invalid stream command, exiting init\n");
389 return -EINVAL;
390 }
391 }
392
393
394 if (m5602_read_sensor(sd, 0x00, prod_id, 2))
395 return -ENODEV;
396 if (m5602_read_sensor(sd, 0x02, prod_id+2, 2))
397 return -ENODEV;
398 if (m5602_read_sensor(sd, 0x04, prod_id+4, 2))
399 return -ENODEV;
400
401 if (memcmp(prod_id, expected_prod_id, sizeof(prod_id)))
402 return -ENODEV;
403 else
404 pr_info("Detected a s5k4aa sensor\n");
405
406sensor_found:
407 sd->gspca_dev.cam.cam_mode = s5k4aa_modes;
408 sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k4aa_modes);
409
410 return 0;
411}
412
413int s5k4aa_start(struct sd *sd)
414{
415 int i, err = 0;
416 u8 data[2];
417 struct cam *cam = &sd->gspca_dev.cam;
418 struct gspca_dev *gspca_dev = (struct gspca_dev *)sd;
419
420 switch (cam->cam_mode[sd->gspca_dev.curr_mode].width) {
421 case 1280:
422 gspca_dbg(gspca_dev, D_CONF, "Configuring camera for SXGA mode\n");
423
424 for (i = 0; i < ARRAY_SIZE(SXGA_s5k4aa); i++) {
425 switch (SXGA_s5k4aa[i][0]) {
426 case BRIDGE:
427 err = m5602_write_bridge(sd,
428 SXGA_s5k4aa[i][1],
429 SXGA_s5k4aa[i][2]);
430 break;
431
432 case SENSOR:
433 data[0] = SXGA_s5k4aa[i][2];
434 err = m5602_write_sensor(sd,
435 SXGA_s5k4aa[i][1],
436 data, 1);
437 break;
438
439 case SENSOR_LONG:
440 data[0] = SXGA_s5k4aa[i][2];
441 data[1] = SXGA_s5k4aa[i][3];
442 err = m5602_write_sensor(sd,
443 SXGA_s5k4aa[i][1],
444 data, 2);
445 break;
446
447 default:
448 pr_err("Invalid stream command, exiting init\n");
449 return -EINVAL;
450 }
451 }
452 break;
453
454 case 640:
455 gspca_dbg(gspca_dev, D_CONF, "Configuring camera for VGA mode\n");
456
457 for (i = 0; i < ARRAY_SIZE(VGA_s5k4aa); i++) {
458 switch (VGA_s5k4aa[i][0]) {
459 case BRIDGE:
460 err = m5602_write_bridge(sd,
461 VGA_s5k4aa[i][1],
462 VGA_s5k4aa[i][2]);
463 break;
464
465 case SENSOR:
466 data[0] = VGA_s5k4aa[i][2];
467 err = m5602_write_sensor(sd,
468 VGA_s5k4aa[i][1],
469 data, 1);
470 break;
471
472 case SENSOR_LONG:
473 data[0] = VGA_s5k4aa[i][2];
474 data[1] = VGA_s5k4aa[i][3];
475 err = m5602_write_sensor(sd,
476 VGA_s5k4aa[i][1],
477 data, 2);
478 break;
479
480 default:
481 pr_err("Invalid stream command, exiting init\n");
482 return -EINVAL;
483 }
484 }
485 break;
486 }
487 if (err < 0)
488 return err;
489
490 return 0;
491}
492
493int s5k4aa_init(struct sd *sd)
494{
495 int i, err = 0;
496
497 for (i = 0; i < ARRAY_SIZE(init_s5k4aa) && !err; i++) {
498 u8 data[2] = {0x00, 0x00};
499
500 switch (init_s5k4aa[i][0]) {
501 case BRIDGE:
502 err = m5602_write_bridge(sd,
503 init_s5k4aa[i][1],
504 init_s5k4aa[i][2]);
505 break;
506
507 case SENSOR:
508 data[0] = init_s5k4aa[i][2];
509 err = m5602_write_sensor(sd,
510 init_s5k4aa[i][1], data, 1);
511 break;
512
513 case SENSOR_LONG:
514 data[0] = init_s5k4aa[i][2];
515 data[1] = init_s5k4aa[i][3];
516 err = m5602_write_sensor(sd,
517 init_s5k4aa[i][1], data, 2);
518 break;
519 default:
520 pr_info("Invalid stream command, exiting init\n");
521 return -EINVAL;
522 }
523 }
524
525 if (dump_sensor)
526 s5k4aa_dump_registers(sd);
527
528 return err;
529}
530
531int s5k4aa_init_controls(struct sd *sd)
532{
533 struct v4l2_ctrl_handler *hdl = &sd->gspca_dev.ctrl_handler;
534
535 sd->gspca_dev.vdev.ctrl_handler = hdl;
536 v4l2_ctrl_handler_init(hdl, 6);
537
538 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_BRIGHTNESS,
539 0, 0x1f, 1, S5K4AA_DEFAULT_BRIGHTNESS);
540
541 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_EXPOSURE,
542 13, 0xfff, 1, 0x100);
543
544 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_GAIN,
545 0, 127, 1, S5K4AA_DEFAULT_GAIN);
546
547 v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_SHARPNESS,
548 0, 1, 1, 1);
549
550 sd->hflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_HFLIP,
551 0, 1, 1, 0);
552 sd->vflip = v4l2_ctrl_new_std(hdl, &s5k4aa_ctrl_ops, V4L2_CID_VFLIP,
553 0, 1, 1, 0);
554
555 if (hdl->error) {
556 pr_err("Could not initialize controls\n");
557 return hdl->error;
558 }
559
560 v4l2_ctrl_cluster(2, &sd->hflip);
561
562 return 0;
563}
564
565static int s5k4aa_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
566{
567 struct sd *sd = (struct sd *) gspca_dev;
568 u8 data = S5K4AA_PAGE_MAP_2;
569 int err;
570
571 gspca_dbg(gspca_dev, D_CONF, "Set exposure to %d\n", val);
572 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
573 if (err < 0)
574 return err;
575 data = (val >> 8) & 0xff;
576 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_HI, &data, 1);
577 if (err < 0)
578 return err;
579 data = val & 0xff;
580 err = m5602_write_sensor(sd, S5K4AA_EXPOSURE_LO, &data, 1);
581
582 return err;
583}
584
585static int s5k4aa_set_hvflip(struct gspca_dev *gspca_dev)
586{
587 struct sd *sd = (struct sd *) gspca_dev;
588 u8 data = S5K4AA_PAGE_MAP_2;
589 int err;
590 int hflip = sd->hflip->val;
591 int vflip = sd->vflip->val;
592
593 gspca_dbg(gspca_dev, D_CONF, "Set hvflip %d %d\n", hflip, vflip);
594 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
595 if (err < 0)
596 return err;
597
598 err = m5602_read_sensor(sd, S5K4AA_READ_MODE, &data, 1);
599 if (err < 0)
600 return err;
601
602 if (dmi_check_system(s5k4aa_vflip_dmi_table)) {
603 hflip = !hflip;
604 vflip = !vflip;
605 }
606
607 data = (data & 0x7f) | (vflip << 7) | (hflip << 6);
608 err = m5602_write_sensor(sd, S5K4AA_READ_MODE, &data, 1);
609 if (err < 0)
610 return err;
611
612 err = m5602_read_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
613 if (err < 0)
614 return err;
615 if (hflip)
616 data &= 0xfe;
617 else
618 data |= 0x01;
619 err = m5602_write_sensor(sd, S5K4AA_COLSTART_LO, &data, 1);
620 if (err < 0)
621 return err;
622
623 err = m5602_read_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
624 if (err < 0)
625 return err;
626 if (vflip)
627 data &= 0xfe;
628 else
629 data |= 0x01;
630 err = m5602_write_sensor(sd, S5K4AA_ROWSTART_LO, &data, 1);
631 if (err < 0)
632 return err;
633
634 return 0;
635}
636
637static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
638{
639 struct sd *sd = (struct sd *) gspca_dev;
640 u8 data = S5K4AA_PAGE_MAP_2;
641 int err;
642
643 gspca_dbg(gspca_dev, D_CONF, "Set gain to %d\n", val);
644 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
645 if (err < 0)
646 return err;
647
648 data = val & 0xff;
649 err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1);
650
651 return err;
652}
653
654static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
655{
656 struct sd *sd = (struct sd *) gspca_dev;
657 u8 data = S5K4AA_PAGE_MAP_2;
658 int err;
659
660 gspca_dbg(gspca_dev, D_CONF, "Set brightness to %d\n", val);
661 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
662 if (err < 0)
663 return err;
664
665 data = val & 0xff;
666 return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1);
667}
668
669static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val)
670{
671 struct sd *sd = (struct sd *) gspca_dev;
672 u8 data = S5K4AA_PAGE_MAP_2;
673 int err;
674
675 gspca_dbg(gspca_dev, D_CONF, "Set noise to %d\n", val);
676 err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
677 if (err < 0)
678 return err;
679
680 data = val & 0x01;
681 return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1);
682}
683
684static int s5k4aa_s_ctrl(struct v4l2_ctrl *ctrl)
685{
686 struct gspca_dev *gspca_dev =
687 container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
688 int err;
689
690 if (!gspca_dev->streaming)
691 return 0;
692
693 switch (ctrl->id) {
694 case V4L2_CID_BRIGHTNESS:
695 err = s5k4aa_set_brightness(gspca_dev, ctrl->val);
696 break;
697 case V4L2_CID_EXPOSURE:
698 err = s5k4aa_set_exposure(gspca_dev, ctrl->val);
699 break;
700 case V4L2_CID_GAIN:
701 err = s5k4aa_set_gain(gspca_dev, ctrl->val);
702 break;
703 case V4L2_CID_SHARPNESS:
704 err = s5k4aa_set_noise(gspca_dev, ctrl->val);
705 break;
706 case V4L2_CID_HFLIP:
707 err = s5k4aa_set_hvflip(gspca_dev);
708 break;
709 default:
710 return -EINVAL;
711 }
712
713 return err;
714}
715
716void s5k4aa_disconnect(struct sd *sd)
717{
718 sd->sensor = NULL;
719}
720
721static void s5k4aa_dump_registers(struct sd *sd)
722{
723 int address;
724 u8 page, old_page;
725 m5602_read_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
726 for (page = 0; page < 16; page++) {
727 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
728 pr_info("Dumping the s5k4aa register state for page 0x%x\n",
729 page);
730 for (address = 0; address <= 0xff; address++) {
731 u8 value = 0;
732 m5602_read_sensor(sd, address, &value, 1);
733 pr_info("register 0x%x contains 0x%x\n",
734 address, value);
735 }
736 }
737 pr_info("s5k4aa register state dump complete\n");
738
739 for (page = 0; page < 16; page++) {
740 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &page, 1);
741 pr_info("Probing for which registers that are read/write for page 0x%x\n",
742 page);
743 for (address = 0; address <= 0xff; address++) {
744 u8 old_value, ctrl_value, test_value = 0xff;
745
746 m5602_read_sensor(sd, address, &old_value, 1);
747 m5602_write_sensor(sd, address, &test_value, 1);
748 m5602_read_sensor(sd, address, &ctrl_value, 1);
749
750 if (ctrl_value == test_value)
751 pr_info("register 0x%x is writeable\n",
752 address);
753 else
754 pr_info("register 0x%x is read only\n",
755 address);
756
757
758 m5602_write_sensor(sd, address, &old_value, 1);
759 }
760 }
761 pr_info("Read/write register probing complete\n");
762 m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &old_page, 1);
763}
764
