Commit | Line | Data |
---|---|---|
2874c5fd | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
19a81c14 SL |
2 | /* |
3 | * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. All Rights Reserved. | |
4 | * Copyright (C) 2014-2017 Mentor Graphics Inc. | |
19a81c14 SL |
5 | */ |
6 | ||
7 | #include <linux/clk.h> | |
8 | #include <linux/clk-provider.h> | |
9 | #include <linux/clkdev.h> | |
10 | #include <linux/ctype.h> | |
11 | #include <linux/delay.h> | |
12 | #include <linux/device.h> | |
41d8d7f5 | 13 | #include <linux/gpio/consumer.h> |
19a81c14 SL |
14 | #include <linux/i2c.h> |
15 | #include <linux/init.h> | |
7c7e33b7 | 16 | #include <linux/mod_devicetable.h> |
19a81c14 | 17 | #include <linux/module.h> |
85644a9b | 18 | #include <linux/pm_runtime.h> |
41d8d7f5 | 19 | #include <linux/regulator/consumer.h> |
19a81c14 SL |
20 | #include <linux/slab.h> |
21 | #include <linux/types.h> | |
19a81c14 SL |
22 | #include <media/v4l2-async.h> |
23 | #include <media/v4l2-ctrls.h> | |
24 | #include <media/v4l2-device.h> | |
2d18fbc5 | 25 | #include <media/v4l2-event.h> |
19a81c14 SL |
26 | #include <media/v4l2-fwnode.h> |
27 | #include <media/v4l2-subdev.h> | |
28 | ||
29 | /* min/typical/max system clock (xclk) frequencies */ | |
30 | #define OV5640_XCLK_MIN 6000000 | |
41cb1c73 | 31 | #define OV5640_XCLK_MAX 54000000 |
19a81c14 | 32 | |
5113d5b3 JM |
33 | #define OV5640_NATIVE_WIDTH 2624 |
34 | #define OV5640_NATIVE_HEIGHT 1964 | |
35 | #define OV5640_PIXEL_ARRAY_TOP 14 | |
36 | #define OV5640_PIXEL_ARRAY_LEFT 16 | |
37 | #define OV5640_PIXEL_ARRAY_WIDTH 2592 | |
38 | #define OV5640_PIXEL_ARRAY_HEIGHT 1944 | |
39 | ||
bce93b82 JM |
40 | /* FIXME: not documented. */ |
41 | #define OV5640_MIN_VBLANK 24 | |
42 | #define OV5640_MAX_VTS 3375 | |
43 | ||
19a81c14 SL |
44 | #define OV5640_DEFAULT_SLAVE_ID 0x3c |
45 | ||
3c28588f JM |
46 | #define OV5640_LINK_RATE_MAX 490000000U |
47 | ||
d47c4126 HF |
48 | #define OV5640_REG_SYS_RESET02 0x3002 |
49 | #define OV5640_REG_SYS_CLOCK_ENABLE02 0x3006 | |
f22996db | 50 | #define OV5640_REG_SYS_CTRL0 0x3008 |
3b987d70 LP |
51 | #define OV5640_REG_SYS_CTRL0_SW_PWDN 0x42 |
52 | #define OV5640_REG_SYS_CTRL0_SW_PWUP 0x02 | |
decea0a9 | 53 | #define OV5640_REG_SYS_CTRL0_SW_RST 0x82 |
19a81c14 | 54 | #define OV5640_REG_CHIP_ID 0x300a |
f22996db HF |
55 | #define OV5640_REG_IO_MIPI_CTRL00 0x300e |
56 | #define OV5640_REG_PAD_OUTPUT_ENABLE01 0x3017 | |
57 | #define OV5640_REG_PAD_OUTPUT_ENABLE02 0x3018 | |
19a81c14 | 58 | #define OV5640_REG_PAD_OUTPUT00 0x3019 |
f22996db | 59 | #define OV5640_REG_SYSTEM_CONTROL1 0x302e |
19a81c14 SL |
60 | #define OV5640_REG_SC_PLL_CTRL0 0x3034 |
61 | #define OV5640_REG_SC_PLL_CTRL1 0x3035 | |
62 | #define OV5640_REG_SC_PLL_CTRL2 0x3036 | |
63 | #define OV5640_REG_SC_PLL_CTRL3 0x3037 | |
64 | #define OV5640_REG_SLAVE_ID 0x3100 | |
f22996db | 65 | #define OV5640_REG_SCCB_SYS_CTRL1 0x3103 |
19a81c14 SL |
66 | #define OV5640_REG_SYS_ROOT_DIVIDER 0x3108 |
67 | #define OV5640_REG_AWB_R_GAIN 0x3400 | |
68 | #define OV5640_REG_AWB_G_GAIN 0x3402 | |
69 | #define OV5640_REG_AWB_B_GAIN 0x3404 | |
70 | #define OV5640_REG_AWB_MANUAL_CTRL 0x3406 | |
71 | #define OV5640_REG_AEC_PK_EXPOSURE_HI 0x3500 | |
72 | #define OV5640_REG_AEC_PK_EXPOSURE_MED 0x3501 | |
73 | #define OV5640_REG_AEC_PK_EXPOSURE_LO 0x3502 | |
74 | #define OV5640_REG_AEC_PK_MANUAL 0x3503 | |
75 | #define OV5640_REG_AEC_PK_REAL_GAIN 0x350a | |
76 | #define OV5640_REG_AEC_PK_VTS 0x350c | |
3145efcd JM |
77 | #define OV5640_REG_TIMING_HS 0x3800 |
78 | #define OV5640_REG_TIMING_VS 0x3802 | |
79 | #define OV5640_REG_TIMING_HW 0x3804 | |
80 | #define OV5640_REG_TIMING_VH 0x3806 | |
86633417 MR |
81 | #define OV5640_REG_TIMING_DVPHO 0x3808 |
82 | #define OV5640_REG_TIMING_DVPVO 0x380a | |
19a81c14 SL |
83 | #define OV5640_REG_TIMING_HTS 0x380c |
84 | #define OV5640_REG_TIMING_VTS 0x380e | |
3145efcd JM |
85 | #define OV5640_REG_TIMING_HOFFS 0x3810 |
86 | #define OV5640_REG_TIMING_VOFFS 0x3812 | |
ce85705a | 87 | #define OV5640_REG_TIMING_TC_REG20 0x3820 |
19a81c14 SL |
88 | #define OV5640_REG_TIMING_TC_REG21 0x3821 |
89 | #define OV5640_REG_AEC_CTRL00 0x3a00 | |
90 | #define OV5640_REG_AEC_B50_STEP 0x3a08 | |
91 | #define OV5640_REG_AEC_B60_STEP 0x3a0a | |
92 | #define OV5640_REG_AEC_CTRL0D 0x3a0d | |
93 | #define OV5640_REG_AEC_CTRL0E 0x3a0e | |
94 | #define OV5640_REG_AEC_CTRL0F 0x3a0f | |
95 | #define OV5640_REG_AEC_CTRL10 0x3a10 | |
96 | #define OV5640_REG_AEC_CTRL11 0x3a11 | |
97 | #define OV5640_REG_AEC_CTRL1B 0x3a1b | |
98 | #define OV5640_REG_AEC_CTRL1E 0x3a1e | |
99 | #define OV5640_REG_AEC_CTRL1F 0x3a1f | |
100 | #define OV5640_REG_HZ5060_CTRL00 0x3c00 | |
101 | #define OV5640_REG_HZ5060_CTRL01 0x3c01 | |
102 | #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c | |
103 | #define OV5640_REG_FRAME_CTRL01 0x4202 | |
e3ee691d | 104 | #define OV5640_REG_FORMAT_CONTROL00 0x4300 |
7cb013b1 CYT |
105 | #define OV5640_REG_VFIFO_HSIZE 0x4602 |
106 | #define OV5640_REG_VFIFO_VSIZE 0x4604 | |
2b5c18f9 | 107 | #define OV5640_REG_JPG_MODE_SELECT 0x4713 |
4039b037 | 108 | #define OV5640_REG_CCIR656_CTRL00 0x4730 |
f22996db | 109 | #define OV5640_REG_POLARITY_CTRL00 0x4740 |
19a81c14 SL |
110 | #define OV5640_REG_MIPI_CTRL00 0x4800 |
111 | #define OV5640_REG_DEBUG_MODE 0x4814 | |
6c957ed7 | 112 | #define OV5640_REG_PCLK_PERIOD 0x4837 |
e3ee691d | 113 | #define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f |
19a81c14 SL |
114 | #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d |
115 | #define OV5640_REG_SDE_CTRL0 0x5580 | |
116 | #define OV5640_REG_SDE_CTRL1 0x5581 | |
117 | #define OV5640_REG_SDE_CTRL3 0x5583 | |
118 | #define OV5640_REG_SDE_CTRL4 0x5584 | |
119 | #define OV5640_REG_SDE_CTRL5 0x5585 | |
120 | #define OV5640_REG_AVG_READOUT 0x56a1 | |
121 | ||
122 | enum ov5640_mode_id { | |
32ea5e05 HF |
123 | OV5640_MODE_QQVGA_160_120 = 0, |
124 | OV5640_MODE_QCIF_176_144, | |
19a81c14 SL |
125 | OV5640_MODE_QVGA_320_240, |
126 | OV5640_MODE_VGA_640_480, | |
127 | OV5640_MODE_NTSC_720_480, | |
128 | OV5640_MODE_PAL_720_576, | |
129 | OV5640_MODE_XGA_1024_768, | |
130 | OV5640_MODE_720P_1280_720, | |
131 | OV5640_MODE_1080P_1920_1080, | |
132 | OV5640_MODE_QSXGA_2592_1944, | |
133 | OV5640_NUM_MODES, | |
134 | }; | |
135 | ||
136 | enum ov5640_frame_rate { | |
137 | OV5640_15_FPS = 0, | |
138 | OV5640_30_FPS, | |
e823fb16 | 139 | OV5640_60_FPS, |
19a81c14 SL |
140 | OV5640_NUM_FRAMERATES, |
141 | }; | |
142 | ||
22845bf2 JM |
143 | enum ov5640_pixel_rate_id { |
144 | OV5640_PIXEL_RATE_168M, | |
145 | OV5640_PIXEL_RATE_148M, | |
146 | OV5640_PIXEL_RATE_124M, | |
147 | OV5640_PIXEL_RATE_96M, | |
148 | OV5640_PIXEL_RATE_48M, | |
149 | OV5640_NUM_PIXEL_RATES, | |
150 | }; | |
151 | ||
152 | /* | |
153 | * The chip manual suggests 24/48/96/192 MHz pixel clocks. | |
154 | * | |
155 | * 192MHz exceeds the sysclk limits; use 168MHz as maximum pixel rate for | |
156 | * full resolution mode @15 FPS. | |
157 | */ | |
158 | static const u32 ov5640_pixel_rates[] = { | |
159 | [OV5640_PIXEL_RATE_168M] = 168000000, | |
160 | [OV5640_PIXEL_RATE_148M] = 148000000, | |
161 | [OV5640_PIXEL_RATE_124M] = 124000000, | |
162 | [OV5640_PIXEL_RATE_96M] = 96000000, | |
163 | [OV5640_PIXEL_RATE_48M] = 48000000, | |
164 | }; | |
165 | ||
7a3b8d4b JM |
166 | /* |
167 | * MIPI CSI-2 link frequencies. | |
168 | * | |
169 | * Derived from the above defined pixel rate for bpp = (8, 16, 24) and | |
170 | * data_lanes = (1, 2) | |
171 | * | |
172 | * link_freq = (pixel_rate * bpp) / (2 * data_lanes) | |
173 | */ | |
174 | static const s64 ov5640_csi2_link_freqs[] = { | |
175 | 992000000, 888000000, 768000000, 744000000, 672000000, 672000000, | |
176 | 592000000, 592000000, 576000000, 576000000, 496000000, 496000000, | |
177 | 384000000, 384000000, 384000000, 336000000, 296000000, 288000000, | |
178 | 248000000, 192000000, 192000000, 192000000, 96000000, | |
179 | }; | |
180 | ||
181 | /* Link freq for default mode: UYVY 16 bpp, 2 data lanes. */ | |
182 | #define OV5640_DEFAULT_LINK_FREQ 13 | |
183 | ||
b7ed3abd LP |
184 | enum ov5640_format_mux { |
185 | OV5640_FMT_MUX_YUV422 = 0, | |
186 | OV5640_FMT_MUX_RGB, | |
187 | OV5640_FMT_MUX_DITHER, | |
188 | OV5640_FMT_MUX_RAW_DPC, | |
189 | OV5640_FMT_MUX_SNR_RAW, | |
190 | OV5640_FMT_MUX_RAW_CIP, | |
191 | }; | |
192 | ||
a89f14bb | 193 | struct ov5640_pixfmt { |
e3ee691d HF |
194 | u32 code; |
195 | u32 colorspace; | |
2d7671f6 | 196 | u8 bpp; |
935fbc94 JM |
197 | u8 ctrl00; |
198 | enum ov5640_format_mux mux; | |
a89f14bb JM |
199 | }; |
200 | ||
201 | static const struct ov5640_pixfmt ov5640_dvp_formats[] = { | |
2d7671f6 | 202 | { |
935fbc94 JM |
203 | /* YUV422, YUYV */ |
204 | .code = MEDIA_BUS_FMT_JPEG_1X8, | |
205 | .colorspace = V4L2_COLORSPACE_JPEG, | |
206 | .bpp = 16, | |
207 | .ctrl00 = 0x30, | |
208 | .mux = OV5640_FMT_MUX_YUV422, | |
2d7671f6 | 209 | }, { |
935fbc94 JM |
210 | /* YUV422, UYVY */ |
211 | .code = MEDIA_BUS_FMT_UYVY8_2X8, | |
212 | .colorspace = V4L2_COLORSPACE_SRGB, | |
213 | .bpp = 16, | |
214 | .ctrl00 = 0x3f, | |
215 | .mux = OV5640_FMT_MUX_YUV422, | |
2d7671f6 | 216 | }, { |
935fbc94 JM |
217 | /* YUV422, YUYV */ |
218 | .code = MEDIA_BUS_FMT_YUYV8_2X8, | |
219 | .colorspace = V4L2_COLORSPACE_SRGB, | |
220 | .bpp = 16, | |
221 | .ctrl00 = 0x30, | |
222 | .mux = OV5640_FMT_MUX_YUV422, | |
2d7671f6 | 223 | }, { |
935fbc94 JM |
224 | /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ |
225 | .code = MEDIA_BUS_FMT_RGB565_2X8_LE, | |
226 | .colorspace = V4L2_COLORSPACE_SRGB, | |
227 | .bpp = 16, | |
228 | .ctrl00 = 0x6f, | |
229 | .mux = OV5640_FMT_MUX_RGB, | |
2d7671f6 | 230 | }, { |
935fbc94 JM |
231 | /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ |
232 | .code = MEDIA_BUS_FMT_RGB565_2X8_BE, | |
233 | .colorspace = V4L2_COLORSPACE_SRGB, | |
234 | .bpp = 16, | |
235 | .ctrl00 = 0x61, | |
236 | .mux = OV5640_FMT_MUX_RGB, | |
2d7671f6 | 237 | }, { |
935fbc94 JM |
238 | /* Raw, BGBG... / GRGR... */ |
239 | .code = MEDIA_BUS_FMT_SBGGR8_1X8, | |
240 | .colorspace = V4L2_COLORSPACE_SRGB, | |
241 | .bpp = 8, | |
242 | .ctrl00 = 0x00, | |
243 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
a89f14bb | 244 | }, { |
935fbc94 JM |
245 | /* Raw bayer, GBGB... / RGRG... */ |
246 | .code = MEDIA_BUS_FMT_SGBRG8_1X8, | |
247 | .colorspace = V4L2_COLORSPACE_SRGB, | |
248 | .bpp = 8, | |
249 | .ctrl00 = 0x01, | |
250 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
a89f14bb | 251 | }, { |
935fbc94 JM |
252 | /* Raw bayer, GRGR... / BGBG... */ |
253 | .code = MEDIA_BUS_FMT_SGRBG8_1X8, | |
254 | .colorspace = V4L2_COLORSPACE_SRGB, | |
255 | .bpp = 8, | |
256 | .ctrl00 = 0x02, | |
257 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
a89f14bb | 258 | }, { |
935fbc94 JM |
259 | /* Raw bayer, RGRG... / GBGB... */ |
260 | .code = MEDIA_BUS_FMT_SRGGB8_1X8, | |
261 | .colorspace = V4L2_COLORSPACE_SRGB, | |
262 | .bpp = 8, | |
263 | .ctrl00 = 0x03, | |
264 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
a89f14bb JM |
265 | }, |
266 | { /* sentinel */ } | |
267 | }; | |
268 | ||
269 | static const struct ov5640_pixfmt ov5640_csi2_formats[] = { | |
270 | { | |
935fbc94 JM |
271 | /* YUV422, YUYV */ |
272 | .code = MEDIA_BUS_FMT_JPEG_1X8, | |
273 | .colorspace = V4L2_COLORSPACE_JPEG, | |
274 | .bpp = 16, | |
275 | .ctrl00 = 0x30, | |
276 | .mux = OV5640_FMT_MUX_YUV422, | |
2d7671f6 | 277 | }, { |
935fbc94 JM |
278 | /* YUV422, UYVY */ |
279 | .code = MEDIA_BUS_FMT_UYVY8_1X16, | |
280 | .colorspace = V4L2_COLORSPACE_SRGB, | |
281 | .bpp = 16, | |
282 | .ctrl00 = 0x3f, | |
283 | .mux = OV5640_FMT_MUX_YUV422, | |
a89f14bb | 284 | }, { |
935fbc94 JM |
285 | /* YUV422, YUYV */ |
286 | .code = MEDIA_BUS_FMT_YUYV8_1X16, | |
287 | .colorspace = V4L2_COLORSPACE_SRGB, | |
288 | .bpp = 16, | |
289 | .ctrl00 = 0x30, | |
290 | .mux = OV5640_FMT_MUX_YUV422, | |
0a43fcd7 | 291 | }, { |
935fbc94 JM |
292 | /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ |
293 | .code = MEDIA_BUS_FMT_RGB565_1X16, | |
294 | .colorspace = V4L2_COLORSPACE_SRGB, | |
295 | .bpp = 16, | |
296 | .ctrl00 = 0x6f, | |
297 | .mux = OV5640_FMT_MUX_RGB, | |
6ac98b41 | 298 | }, { |
935fbc94 JM |
299 | /* BGR888: RGB */ |
300 | .code = MEDIA_BUS_FMT_BGR888_1X24, | |
301 | .colorspace = V4L2_COLORSPACE_SRGB, | |
302 | .bpp = 24, | |
303 | .ctrl00 = 0x23, | |
304 | .mux = OV5640_FMT_MUX_RGB, | |
2d7671f6 | 305 | }, { |
935fbc94 JM |
306 | /* Raw, BGBG... / GRGR... */ |
307 | .code = MEDIA_BUS_FMT_SBGGR8_1X8, | |
308 | .colorspace = V4L2_COLORSPACE_SRGB, | |
309 | .bpp = 8, | |
310 | .ctrl00 = 0x00, | |
311 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
2d7671f6 | 312 | }, { |
935fbc94 JM |
313 | /* Raw bayer, GBGB... / RGRG... */ |
314 | .code = MEDIA_BUS_FMT_SGBRG8_1X8, | |
315 | .colorspace = V4L2_COLORSPACE_SRGB, | |
316 | .bpp = 8, | |
317 | .ctrl00 = 0x01, | |
318 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
2d7671f6 | 319 | }, { |
935fbc94 JM |
320 | /* Raw bayer, GRGR... / BGBG... */ |
321 | .code = MEDIA_BUS_FMT_SGRBG8_1X8, | |
322 | .colorspace = V4L2_COLORSPACE_SRGB, | |
323 | .bpp = 8, | |
324 | .ctrl00 = 0x02, | |
325 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
2d7671f6 | 326 | }, { |
935fbc94 JM |
327 | /* Raw bayer, RGRG... / GBGB... */ |
328 | .code = MEDIA_BUS_FMT_SRGGB8_1X8, | |
329 | .colorspace = V4L2_COLORSPACE_SRGB, | |
330 | .bpp = 8, | |
331 | .ctrl00 = 0x03, | |
332 | .mux = OV5640_FMT_MUX_RAW_DPC, | |
2d7671f6 | 333 | }, |
a89f14bb | 334 | { /* sentinel */ } |
e3ee691d HF |
335 | }; |
336 | ||
19a81c14 SL |
337 | /* |
338 | * FIXME: remove this when a subdev API becomes available | |
339 | * to set the MIPI CSI-2 virtual channel. | |
340 | */ | |
341 | static unsigned int virtual_channel; | |
8670d70a | 342 | module_param(virtual_channel, uint, 0444); |
19a81c14 SL |
343 | MODULE_PARM_DESC(virtual_channel, |
344 | "MIPI CSI-2 virtual channel (0..3), default 0"); | |
345 | ||
346 | static const int ov5640_framerates[] = { | |
347 | [OV5640_15_FPS] = 15, | |
348 | [OV5640_30_FPS] = 30, | |
e823fb16 | 349 | [OV5640_60_FPS] = 60, |
19a81c14 SL |
350 | }; |
351 | ||
352 | /* regulator supplies */ | |
353 | static const char * const ov5640_supply_name[] = { | |
41d8d7f5 | 354 | "DOVDD", /* Digital I/O (1.8V) supply */ |
19a81c14 | 355 | "AVDD", /* Analog (2.8V) supply */ |
24c8ac89 | 356 | "DVDD", /* Digital Core (1.5V) supply */ |
19a81c14 SL |
357 | }; |
358 | ||
359 | #define OV5640_NUM_SUPPLIES ARRAY_SIZE(ov5640_supply_name) | |
360 | ||
361 | /* | |
362 | * Image size under 1280 * 960 are SUBSAMPLING | |
363 | * Image size upper 1280 * 960 are SCALING | |
364 | */ | |
365 | enum ov5640_downsize_mode { | |
366 | SUBSAMPLING, | |
367 | SCALING, | |
368 | }; | |
369 | ||
370 | struct reg_value { | |
371 | u16 reg_addr; | |
372 | u8 val; | |
373 | u8 mask; | |
374 | u32 delay_ms; | |
375 | }; | |
376 | ||
5113d5b3 | 377 | struct ov5640_timings { |
3145efcd JM |
378 | /* Analog crop rectangle. */ |
379 | struct v4l2_rect analog_crop; | |
380 | /* Visibile crop: from analog crop top-left corner. */ | |
381 | struct v4l2_rect crop; | |
5113d5b3 | 382 | /* Total pixels per line: width + fixed hblank. */ |
476dec01 | 383 | u32 htot; |
5113d5b3 | 384 | /* Default vertical blanking: frame height = height + vblank. */ |
3145efcd | 385 | u32 vblank_def; |
5113d5b3 JM |
386 | }; |
387 | ||
388 | struct ov5640_mode_info { | |
389 | enum ov5640_mode_id id; | |
390 | enum ov5640_downsize_mode dn_mode; | |
391 | enum ov5640_pixel_rate_id pixel_rate; | |
392 | ||
393 | unsigned int width; | |
394 | unsigned int height; | |
395 | ||
396 | struct ov5640_timings dvp_timings; | |
397 | struct ov5640_timings csi2_timings; | |
398 | ||
19a81c14 SL |
399 | const struct reg_value *reg_data; |
400 | u32 reg_data_size; | |
5113d5b3 JM |
401 | |
402 | /* Used by s_frame_interval only. */ | |
5554c80e | 403 | u32 max_fps; |
19f2e3e6 | 404 | u32 def_fps; |
19a81c14 SL |
405 | }; |
406 | ||
407 | struct ov5640_ctrls { | |
408 | struct v4l2_ctrl_handler handler; | |
cc196e48 | 409 | struct v4l2_ctrl *pixel_rate; |
7a3b8d4b | 410 | struct v4l2_ctrl *link_freq; |
32979f67 | 411 | struct v4l2_ctrl *hblank; |
bce93b82 | 412 | struct v4l2_ctrl *vblank; |
19a81c14 SL |
413 | struct { |
414 | struct v4l2_ctrl *auto_exp; | |
415 | struct v4l2_ctrl *exposure; | |
416 | }; | |
417 | struct { | |
418 | struct v4l2_ctrl *auto_wb; | |
419 | struct v4l2_ctrl *blue_balance; | |
420 | struct v4l2_ctrl *red_balance; | |
421 | }; | |
422 | struct { | |
423 | struct v4l2_ctrl *auto_gain; | |
424 | struct v4l2_ctrl *gain; | |
425 | }; | |
426 | struct v4l2_ctrl *brightness; | |
1068feca | 427 | struct v4l2_ctrl *light_freq; |
19a81c14 SL |
428 | struct v4l2_ctrl *saturation; |
429 | struct v4l2_ctrl *contrast; | |
430 | struct v4l2_ctrl *hue; | |
431 | struct v4l2_ctrl *test_pattern; | |
ce85705a HF |
432 | struct v4l2_ctrl *hflip; |
433 | struct v4l2_ctrl *vflip; | |
19a81c14 SL |
434 | }; |
435 | ||
436 | struct ov5640_dev { | |
437 | struct i2c_client *i2c_client; | |
438 | struct v4l2_subdev sd; | |
439 | struct media_pad pad; | |
440 | struct v4l2_fwnode_endpoint ep; /* the parsed DT endpoint info */ | |
441 | struct clk *xclk; /* system clock to OV5640 */ | |
442 | u32 xclk_freq; | |
443 | ||
444 | struct regulator_bulk_data supplies[OV5640_NUM_SUPPLIES]; | |
445 | struct gpio_desc *reset_gpio; | |
446 | struct gpio_desc *pwdn_gpio; | |
c3f3ba3e | 447 | bool upside_down; |
19a81c14 SL |
448 | |
449 | /* lock to protect all members below */ | |
450 | struct mutex lock; | |
451 | ||
19a81c14 | 452 | struct v4l2_mbus_framefmt fmt; |
fb98e29f | 453 | bool pending_fmt_change; |
19a81c14 SL |
454 | |
455 | const struct ov5640_mode_info *current_mode; | |
985cdcb0 | 456 | const struct ov5640_mode_info *last_mode; |
19a81c14 SL |
457 | enum ov5640_frame_rate current_fr; |
458 | struct v4l2_fract frame_interval; | |
3c28588f | 459 | s64 current_link_freq; |
19a81c14 SL |
460 | |
461 | struct ov5640_ctrls ctrls; | |
462 | ||
463 | u32 prev_sysclk, prev_hts; | |
464 | u32 ae_low, ae_high, ae_target; | |
465 | ||
466 | bool pending_mode_change; | |
467 | bool streaming; | |
468 | }; | |
469 | ||
470 | static inline struct ov5640_dev *to_ov5640_dev(struct v4l2_subdev *sd) | |
471 | { | |
472 | return container_of(sd, struct ov5640_dev, sd); | |
473 | } | |
474 | ||
475 | static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) | |
476 | { | |
477 | return &container_of(ctrl->handler, struct ov5640_dev, | |
478 | ctrls.handler)->sd; | |
479 | } | |
480 | ||
8e823f5c JM |
481 | static inline bool ov5640_is_csi2(const struct ov5640_dev *sensor) |
482 | { | |
483 | return sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY; | |
484 | } | |
485 | ||
a89f14bb JM |
486 | static inline const struct ov5640_pixfmt * |
487 | ov5640_formats(struct ov5640_dev *sensor) | |
488 | { | |
489 | return ov5640_is_csi2(sensor) ? ov5640_csi2_formats | |
490 | : ov5640_dvp_formats; | |
491 | } | |
492 | ||
493 | static const struct ov5640_pixfmt * | |
494 | ov5640_code_to_pixfmt(struct ov5640_dev *sensor, u32 code) | |
495 | { | |
496 | const struct ov5640_pixfmt *formats = ov5640_formats(sensor); | |
497 | unsigned int i; | |
498 | ||
499 | for (i = 0; formats[i].code; ++i) { | |
500 | if (formats[i].code == code) | |
501 | return &formats[i]; | |
502 | } | |
503 | ||
504 | return &formats[0]; | |
505 | } | |
506 | ||
507 | static u32 ov5640_code_to_bpp(struct ov5640_dev *sensor, u32 code) | |
508 | { | |
509 | const struct ov5640_pixfmt *format = ov5640_code_to_pixfmt(sensor, | |
510 | code); | |
511 | ||
512 | return format->bpp; | |
513 | } | |
514 | ||
19a81c14 SL |
515 | /* |
516 | * FIXME: all of these register tables are likely filled with | |
517 | * entries that set the register to their power-on default values, | |
518 | * and which are otherwise not touched by this driver. Those entries | |
519 | * should be identified and removed to speed register load time | |
520 | * over i2c. | |
521 | */ | |
fb98e29f | 522 | /* YUV422 UYVY VGA@30fps */ |
90b0f355 | 523 | |
68453b02 G |
524 | static const struct v4l2_mbus_framefmt ov5640_csi2_default_fmt = { |
525 | .code = MEDIA_BUS_FMT_UYVY8_1X16, | |
526 | .width = 640, | |
527 | .height = 480, | |
528 | .colorspace = V4L2_COLORSPACE_SRGB, | |
529 | .ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB), | |
530 | .quantization = V4L2_QUANTIZATION_FULL_RANGE, | |
531 | .xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB), | |
532 | .field = V4L2_FIELD_NONE, | |
533 | }; | |
534 | ||
535 | static const struct v4l2_mbus_framefmt ov5640_dvp_default_fmt = { | |
90b0f355 JM |
536 | .code = MEDIA_BUS_FMT_UYVY8_2X8, |
537 | .width = 640, | |
538 | .height = 480, | |
539 | .colorspace = V4L2_COLORSPACE_SRGB, | |
540 | .ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SRGB), | |
541 | .quantization = V4L2_QUANTIZATION_FULL_RANGE, | |
542 | .xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SRGB), | |
543 | .field = V4L2_FIELD_NONE, | |
544 | }; | |
545 | ||
e4359019 | 546 | static const struct reg_value ov5640_init_setting[] = { |
decea0a9 | 547 | {0x3103, 0x11, 0, 0}, |
576f5d4b | 548 | {0x3103, 0x03, 0, 0}, {0x3630, 0x36, 0, 0}, |
19a81c14 SL |
549 | {0x3631, 0x0e, 0, 0}, {0x3632, 0xe2, 0, 0}, {0x3633, 0x12, 0, 0}, |
550 | {0x3621, 0xe0, 0, 0}, {0x3704, 0xa0, 0, 0}, {0x3703, 0x5a, 0, 0}, | |
551 | {0x3715, 0x78, 0, 0}, {0x3717, 0x01, 0, 0}, {0x370b, 0x60, 0, 0}, | |
552 | {0x3705, 0x1a, 0, 0}, {0x3905, 0x02, 0, 0}, {0x3906, 0x10, 0, 0}, | |
553 | {0x3901, 0x0a, 0, 0}, {0x3731, 0x12, 0, 0}, {0x3600, 0x08, 0, 0}, | |
554 | {0x3601, 0x33, 0, 0}, {0x302d, 0x60, 0, 0}, {0x3620, 0x52, 0, 0}, | |
555 | {0x371b, 0x20, 0, 0}, {0x471c, 0x50, 0, 0}, {0x3a13, 0x43, 0, 0}, | |
556 | {0x3a18, 0x00, 0, 0}, {0x3a19, 0xf8, 0, 0}, {0x3635, 0x13, 0, 0}, | |
557 | {0x3636, 0x03, 0, 0}, {0x3634, 0x40, 0, 0}, {0x3622, 0x01, 0, 0}, | |
558 | {0x3c01, 0xa4, 0, 0}, {0x3c04, 0x28, 0, 0}, {0x3c05, 0x98, 0, 0}, | |
559 | {0x3c06, 0x00, 0, 0}, {0x3c07, 0x08, 0, 0}, {0x3c08, 0x00, 0, 0}, | |
560 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, | |
561 | {0x3820, 0x41, 0, 0}, {0x3821, 0x07, 0, 0}, {0x3814, 0x31, 0, 0}, | |
3145efcd | 562 | {0x3815, 0x31, 0, 0}, |
19a81c14 SL |
563 | {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, |
564 | {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, | |
565 | {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, | |
566 | {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, | |
567 | {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, | |
568 | {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, {0x3000, 0x00, 0, 0}, | |
569 | {0x3002, 0x1c, 0, 0}, {0x3004, 0xff, 0, 0}, {0x3006, 0xc3, 0, 0}, | |
aa4bb8b8 | 570 | {0x302e, 0x08, 0, 0}, {0x4300, 0x3f, 0, 0}, |
a828002f | 571 | {0x501f, 0x00, 0, 0}, {0x440e, 0x00, 0, 0}, {0x4837, 0x0a, 0, 0}, |
19a81c14 SL |
572 | {0x5000, 0xa7, 0, 0}, {0x5001, 0xa3, 0, 0}, {0x5180, 0xff, 0, 0}, |
573 | {0x5181, 0xf2, 0, 0}, {0x5182, 0x00, 0, 0}, {0x5183, 0x14, 0, 0}, | |
574 | {0x5184, 0x25, 0, 0}, {0x5185, 0x24, 0, 0}, {0x5186, 0x09, 0, 0}, | |
575 | {0x5187, 0x09, 0, 0}, {0x5188, 0x09, 0, 0}, {0x5189, 0x88, 0, 0}, | |
576 | {0x518a, 0x54, 0, 0}, {0x518b, 0xee, 0, 0}, {0x518c, 0xb2, 0, 0}, | |
577 | {0x518d, 0x50, 0, 0}, {0x518e, 0x34, 0, 0}, {0x518f, 0x6b, 0, 0}, | |
578 | {0x5190, 0x46, 0, 0}, {0x5191, 0xf8, 0, 0}, {0x5192, 0x04, 0, 0}, | |
579 | {0x5193, 0x70, 0, 0}, {0x5194, 0xf0, 0, 0}, {0x5195, 0xf0, 0, 0}, | |
580 | {0x5196, 0x03, 0, 0}, {0x5197, 0x01, 0, 0}, {0x5198, 0x04, 0, 0}, | |
581 | {0x5199, 0x6c, 0, 0}, {0x519a, 0x04, 0, 0}, {0x519b, 0x00, 0, 0}, | |
582 | {0x519c, 0x09, 0, 0}, {0x519d, 0x2b, 0, 0}, {0x519e, 0x38, 0, 0}, | |
583 | {0x5381, 0x1e, 0, 0}, {0x5382, 0x5b, 0, 0}, {0x5383, 0x08, 0, 0}, | |
584 | {0x5384, 0x0a, 0, 0}, {0x5385, 0x7e, 0, 0}, {0x5386, 0x88, 0, 0}, | |
585 | {0x5387, 0x7c, 0, 0}, {0x5388, 0x6c, 0, 0}, {0x5389, 0x10, 0, 0}, | |
586 | {0x538a, 0x01, 0, 0}, {0x538b, 0x98, 0, 0}, {0x5300, 0x08, 0, 0}, | |
587 | {0x5301, 0x30, 0, 0}, {0x5302, 0x10, 0, 0}, {0x5303, 0x00, 0, 0}, | |
588 | {0x5304, 0x08, 0, 0}, {0x5305, 0x30, 0, 0}, {0x5306, 0x08, 0, 0}, | |
589 | {0x5307, 0x16, 0, 0}, {0x5309, 0x08, 0, 0}, {0x530a, 0x30, 0, 0}, | |
590 | {0x530b, 0x04, 0, 0}, {0x530c, 0x06, 0, 0}, {0x5480, 0x01, 0, 0}, | |
591 | {0x5481, 0x08, 0, 0}, {0x5482, 0x14, 0, 0}, {0x5483, 0x28, 0, 0}, | |
592 | {0x5484, 0x51, 0, 0}, {0x5485, 0x65, 0, 0}, {0x5486, 0x71, 0, 0}, | |
593 | {0x5487, 0x7d, 0, 0}, {0x5488, 0x87, 0, 0}, {0x5489, 0x91, 0, 0}, | |
594 | {0x548a, 0x9a, 0, 0}, {0x548b, 0xaa, 0, 0}, {0x548c, 0xb8, 0, 0}, | |
595 | {0x548d, 0xcd, 0, 0}, {0x548e, 0xdd, 0, 0}, {0x548f, 0xea, 0, 0}, | |
596 | {0x5490, 0x1d, 0, 0}, {0x5580, 0x02, 0, 0}, {0x5583, 0x40, 0, 0}, | |
597 | {0x5584, 0x10, 0, 0}, {0x5589, 0x10, 0, 0}, {0x558a, 0x00, 0, 0}, | |
598 | {0x558b, 0xf8, 0, 0}, {0x5800, 0x23, 0, 0}, {0x5801, 0x14, 0, 0}, | |
599 | {0x5802, 0x0f, 0, 0}, {0x5803, 0x0f, 0, 0}, {0x5804, 0x12, 0, 0}, | |
600 | {0x5805, 0x26, 0, 0}, {0x5806, 0x0c, 0, 0}, {0x5807, 0x08, 0, 0}, | |
601 | {0x5808, 0x05, 0, 0}, {0x5809, 0x05, 0, 0}, {0x580a, 0x08, 0, 0}, | |
602 | {0x580b, 0x0d, 0, 0}, {0x580c, 0x08, 0, 0}, {0x580d, 0x03, 0, 0}, | |
603 | {0x580e, 0x00, 0, 0}, {0x580f, 0x00, 0, 0}, {0x5810, 0x03, 0, 0}, | |
604 | {0x5811, 0x09, 0, 0}, {0x5812, 0x07, 0, 0}, {0x5813, 0x03, 0, 0}, | |
605 | {0x5814, 0x00, 0, 0}, {0x5815, 0x01, 0, 0}, {0x5816, 0x03, 0, 0}, | |
606 | {0x5817, 0x08, 0, 0}, {0x5818, 0x0d, 0, 0}, {0x5819, 0x08, 0, 0}, | |
607 | {0x581a, 0x05, 0, 0}, {0x581b, 0x06, 0, 0}, {0x581c, 0x08, 0, 0}, | |
608 | {0x581d, 0x0e, 0, 0}, {0x581e, 0x29, 0, 0}, {0x581f, 0x17, 0, 0}, | |
609 | {0x5820, 0x11, 0, 0}, {0x5821, 0x11, 0, 0}, {0x5822, 0x15, 0, 0}, | |
610 | {0x5823, 0x28, 0, 0}, {0x5824, 0x46, 0, 0}, {0x5825, 0x26, 0, 0}, | |
611 | {0x5826, 0x08, 0, 0}, {0x5827, 0x26, 0, 0}, {0x5828, 0x64, 0, 0}, | |
612 | {0x5829, 0x26, 0, 0}, {0x582a, 0x24, 0, 0}, {0x582b, 0x22, 0, 0}, | |
613 | {0x582c, 0x24, 0, 0}, {0x582d, 0x24, 0, 0}, {0x582e, 0x06, 0, 0}, | |
614 | {0x582f, 0x22, 0, 0}, {0x5830, 0x40, 0, 0}, {0x5831, 0x42, 0, 0}, | |
615 | {0x5832, 0x24, 0, 0}, {0x5833, 0x26, 0, 0}, {0x5834, 0x24, 0, 0}, | |
616 | {0x5835, 0x22, 0, 0}, {0x5836, 0x22, 0, 0}, {0x5837, 0x26, 0, 0}, | |
617 | {0x5838, 0x44, 0, 0}, {0x5839, 0x24, 0, 0}, {0x583a, 0x26, 0, 0}, | |
618 | {0x583b, 0x28, 0, 0}, {0x583c, 0x42, 0, 0}, {0x583d, 0xce, 0, 0}, | |
619 | {0x5025, 0x00, 0, 0}, {0x3a0f, 0x30, 0, 0}, {0x3a10, 0x28, 0, 0}, | |
620 | {0x3a1b, 0x30, 0, 0}, {0x3a1e, 0x26, 0, 0}, {0x3a11, 0x60, 0, 0}, | |
621 | {0x3a1f, 0x14, 0, 0}, {0x3008, 0x02, 0, 0}, {0x3c00, 0x04, 0, 300}, | |
622 | }; | |
623 | ||
db15c195 | 624 | static const struct reg_value ov5640_setting_low_res[] = { |
c14d107e | 625 | {0x3c07, 0x08, 0, 0}, |
19a81c14 | 626 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, |
ce85705a | 627 | {0x3814, 0x31, 0, 0}, |
3145efcd | 628 | {0x3815, 0x31, 0, 0}, |
19a81c14 SL |
629 | {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, |
630 | {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x03, 0, 0}, | |
631 | {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, | |
632 | {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, | |
633 | {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, | |
2b5c18f9 | 634 | {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, |
a828002f G |
635 | {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, |
636 | {0x3824, 0x02, 0, 0}, {0x5001, 0xa3, 0, 0}, | |
19a81c14 SL |
637 | }; |
638 | ||
086c25f8 | 639 | static const struct reg_value ov5640_setting_720P_1280_720[] = { |
c14d107e | 640 | {0x3c07, 0x07, 0, 0}, |
19a81c14 | 641 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, |
ce85705a | 642 | {0x3814, 0x31, 0, 0}, |
3145efcd | 643 | {0x3815, 0x31, 0, 0}, |
19a81c14 SL |
644 | {0x3618, 0x00, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x64, 0, 0}, |
645 | {0x3709, 0x52, 0, 0}, {0x370c, 0x03, 0, 0}, {0x3a02, 0x02, 0, 0}, | |
646 | {0x3a03, 0xe4, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0xbc, 0, 0}, | |
647 | {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x72, 0, 0}, {0x3a0e, 0x01, 0, 0}, | |
648 | {0x3a0d, 0x02, 0, 0}, {0x3a14, 0x02, 0, 0}, {0x3a15, 0xe4, 0, 0}, | |
2b5c18f9 | 649 | {0x4001, 0x02, 0, 0}, {0x4004, 0x02, 0, 0}, |
19a81c14 SL |
650 | {0x4407, 0x04, 0, 0}, {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, |
651 | {0x3824, 0x04, 0, 0}, {0x5001, 0x83, 0, 0}, | |
652 | }; | |
653 | ||
086c25f8 | 654 | static const struct reg_value ov5640_setting_1080P_1920_1080[] = { |
c14d107e | 655 | {0x3c07, 0x08, 0, 0}, |
19a81c14 | 656 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, |
ce85705a | 657 | {0x3814, 0x11, 0, 0}, |
3145efcd | 658 | {0x3815, 0x11, 0, 0}, |
19a81c14 SL |
659 | {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, |
660 | {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, | |
661 | {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, | |
662 | {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, | |
663 | {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, | |
2b5c18f9 | 664 | {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, |
19a81c14 | 665 | {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, |
c14d107e MR |
666 | {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 0}, |
667 | {0x3c07, 0x07, 0, 0}, {0x3c08, 0x00, 0, 0}, | |
19a81c14 | 668 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, |
476dec01 | 669 | {0x3612, 0x2b, 0, 0}, {0x3708, 0x64, 0, 0}, |
19a81c14 SL |
670 | {0x3a02, 0x04, 0, 0}, {0x3a03, 0x60, 0, 0}, {0x3a08, 0x01, 0, 0}, |
671 | {0x3a09, 0x50, 0, 0}, {0x3a0a, 0x01, 0, 0}, {0x3a0b, 0x18, 0, 0}, | |
672 | {0x3a0e, 0x03, 0, 0}, {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x04, 0, 0}, | |
2b5c18f9 | 673 | {0x3a15, 0x60, 0, 0}, {0x4407, 0x04, 0, 0}, |
19a81c14 | 674 | {0x460b, 0x37, 0, 0}, {0x460c, 0x20, 0, 0}, {0x3824, 0x04, 0, 0}, |
92b9096c | 675 | {0x4005, 0x1a, 0, 0}, |
19a81c14 SL |
676 | }; |
677 | ||
086c25f8 | 678 | static const struct reg_value ov5640_setting_QSXGA_2592_1944[] = { |
c14d107e | 679 | {0x3c07, 0x08, 0, 0}, |
19a81c14 | 680 | {0x3c09, 0x1c, 0, 0}, {0x3c0a, 0x9c, 0, 0}, {0x3c0b, 0x40, 0, 0}, |
ce85705a | 681 | {0x3814, 0x11, 0, 0}, |
3145efcd | 682 | {0x3815, 0x11, 0, 0}, |
19a81c14 SL |
683 | {0x3618, 0x04, 0, 0}, {0x3612, 0x29, 0, 0}, {0x3708, 0x21, 0, 0}, |
684 | {0x3709, 0x12, 0, 0}, {0x370c, 0x00, 0, 0}, {0x3a02, 0x03, 0, 0}, | |
685 | {0x3a03, 0xd8, 0, 0}, {0x3a08, 0x01, 0, 0}, {0x3a09, 0x27, 0, 0}, | |
686 | {0x3a0a, 0x00, 0, 0}, {0x3a0b, 0xf6, 0, 0}, {0x3a0e, 0x03, 0, 0}, | |
687 | {0x3a0d, 0x04, 0, 0}, {0x3a14, 0x03, 0, 0}, {0x3a15, 0xd8, 0, 0}, | |
2b5c18f9 | 688 | {0x4001, 0x02, 0, 0}, {0x4004, 0x06, 0, 0}, |
19a81c14 SL |
689 | {0x4407, 0x04, 0, 0}, {0x460b, 0x35, 0, 0}, {0x460c, 0x22, 0, 0}, |
690 | {0x3824, 0x02, 0, 0}, {0x5001, 0x83, 0, 70}, | |
691 | }; | |
692 | ||
5113d5b3 | 693 | static const struct ov5640_mode_info ov5640_mode_data[OV5640_NUM_MODES] = { |
8409d017 JM |
694 | { |
695 | /* 160x120 */ | |
3145efcd JM |
696 | .id = OV5640_MODE_QQVGA_160_120, |
697 | .dn_mode = SUBSAMPLING, | |
698 | .pixel_rate = OV5640_PIXEL_RATE_48M, | |
5113d5b3 JM |
699 | .width = 160, |
700 | .height = 120, | |
701 | .dvp_timings = { | |
702 | .analog_crop = { | |
703 | .left = 0, | |
704 | .top = 4, | |
705 | .width = 2624, | |
706 | .height = 1944, | |
707 | }, | |
708 | .crop = { | |
709 | .left = 16, | |
710 | .top = 6, | |
711 | .width = 160, | |
712 | .height = 120, | |
713 | }, | |
714 | .htot = 1896, | |
715 | .vblank_def = 864, | |
3145efcd | 716 | }, |
5113d5b3 JM |
717 | .csi2_timings = { |
718 | /* Feed the full valid pixel array to the ISP. */ | |
719 | .analog_crop = { | |
720 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
721 | .top = OV5640_PIXEL_ARRAY_TOP, | |
722 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
723 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
724 | }, | |
725 | /* Maintain a minimum processing margin. */ | |
726 | .crop = { | |
727 | .left = 2, | |
728 | .top = 4, | |
729 | .width = 160, | |
730 | .height = 120, | |
731 | }, | |
961bed9f JM |
732 | .htot = 1600, |
733 | .vblank_def = 878, | |
3145efcd | 734 | }, |
db15c195 JM |
735 | .reg_data = ov5640_setting_low_res, |
736 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
737 | .max_fps = OV5640_30_FPS, |
738 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
739 | }, { |
740 | /* 176x144 */ | |
3145efcd JM |
741 | .id = OV5640_MODE_QCIF_176_144, |
742 | .dn_mode = SUBSAMPLING, | |
743 | .pixel_rate = OV5640_PIXEL_RATE_48M, | |
5113d5b3 JM |
744 | .width = 176, |
745 | .height = 144, | |
746 | .dvp_timings = { | |
747 | .analog_crop = { | |
748 | .left = 0, | |
749 | .top = 4, | |
750 | .width = 2624, | |
751 | .height = 1944, | |
752 | }, | |
753 | .crop = { | |
754 | .left = 16, | |
755 | .top = 6, | |
756 | .width = 176, | |
757 | .height = 144, | |
758 | }, | |
759 | .htot = 1896, | |
760 | .vblank_def = 840, | |
3145efcd | 761 | }, |
5113d5b3 JM |
762 | .csi2_timings = { |
763 | /* Feed the full valid pixel array to the ISP. */ | |
764 | .analog_crop = { | |
765 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
766 | .top = OV5640_PIXEL_ARRAY_TOP, | |
767 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
768 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
769 | }, | |
770 | /* Maintain a minimum processing margin. */ | |
771 | .crop = { | |
772 | .left = 2, | |
773 | .top = 4, | |
774 | .width = 176, | |
775 | .height = 144, | |
776 | }, | |
961bed9f JM |
777 | .htot = 1600, |
778 | .vblank_def = 854, | |
3145efcd | 779 | }, |
db15c195 JM |
780 | .reg_data = ov5640_setting_low_res, |
781 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
782 | .max_fps = OV5640_30_FPS, |
783 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
784 | }, { |
785 | /* 320x240 */ | |
3145efcd JM |
786 | .id = OV5640_MODE_QVGA_320_240, |
787 | .dn_mode = SUBSAMPLING, | |
5113d5b3 JM |
788 | .width = 320, |
789 | .height = 240, | |
3145efcd | 790 | .pixel_rate = OV5640_PIXEL_RATE_48M, |
5113d5b3 JM |
791 | .dvp_timings = { |
792 | .analog_crop = { | |
793 | .left = 0, | |
794 | .top = 4, | |
795 | .width = 2624, | |
796 | .height = 1944, | |
797 | }, | |
798 | .crop = { | |
799 | .left = 16, | |
800 | .top = 6, | |
801 | .width = 320, | |
802 | .height = 240, | |
803 | }, | |
804 | .htot = 1896, | |
805 | .vblank_def = 744, | |
3145efcd | 806 | }, |
5113d5b3 JM |
807 | .csi2_timings = { |
808 | /* Feed the full valid pixel array to the ISP. */ | |
809 | .analog_crop = { | |
810 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
811 | .top = OV5640_PIXEL_ARRAY_TOP, | |
812 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
813 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
814 | }, | |
815 | /* Maintain a minimum processing margin. */ | |
816 | .crop = { | |
817 | .left = 2, | |
818 | .top = 4, | |
819 | .width = 320, | |
820 | .height = 240, | |
821 | }, | |
961bed9f JM |
822 | .htot = 1600, |
823 | .vblank_def = 760, | |
3145efcd | 824 | }, |
db15c195 JM |
825 | .reg_data = ov5640_setting_low_res, |
826 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
827 | .max_fps = OV5640_30_FPS, |
828 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
829 | }, { |
830 | /* 640x480 */ | |
3145efcd JM |
831 | .id = OV5640_MODE_VGA_640_480, |
832 | .dn_mode = SUBSAMPLING, | |
833 | .pixel_rate = OV5640_PIXEL_RATE_48M, | |
5113d5b3 JM |
834 | .width = 640, |
835 | .height = 480, | |
836 | .dvp_timings = { | |
837 | .analog_crop = { | |
838 | .left = 0, | |
839 | .top = 4, | |
840 | .width = 2624, | |
841 | .height = 1944, | |
842 | }, | |
843 | .crop = { | |
844 | .left = 16, | |
845 | .top = 6, | |
846 | .width = 640, | |
847 | .height = 480, | |
848 | }, | |
849 | .htot = 1896, | |
850 | .vblank_def = 600, | |
3145efcd | 851 | }, |
5113d5b3 JM |
852 | .csi2_timings = { |
853 | /* Feed the full valid pixel array to the ISP. */ | |
854 | .analog_crop = { | |
855 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
856 | .top = OV5640_PIXEL_ARRAY_TOP, | |
857 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
858 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
859 | }, | |
860 | /* Maintain a minimum processing margin. */ | |
861 | .crop = { | |
862 | .left = 2, | |
863 | .top = 4, | |
864 | .width = 640, | |
865 | .height = 480, | |
866 | }, | |
961bed9f JM |
867 | .htot = 1600, |
868 | .vblank_def = 520, | |
3145efcd | 869 | }, |
db15c195 JM |
870 | .reg_data = ov5640_setting_low_res, |
871 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
872 | .max_fps = OV5640_60_FPS, |
873 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
874 | }, { |
875 | /* 720x480 */ | |
3145efcd JM |
876 | .id = OV5640_MODE_NTSC_720_480, |
877 | .dn_mode = SUBSAMPLING, | |
5113d5b3 JM |
878 | .width = 720, |
879 | .height = 480, | |
3145efcd | 880 | .pixel_rate = OV5640_PIXEL_RATE_96M, |
5113d5b3 JM |
881 | .dvp_timings = { |
882 | .analog_crop = { | |
883 | .left = 0, | |
884 | .top = 4, | |
885 | .width = 2624, | |
886 | .height = 1944, | |
887 | }, | |
888 | .crop = { | |
889 | .left = 56, | |
890 | .top = 60, | |
891 | .width = 720, | |
892 | .height = 480, | |
893 | }, | |
894 | .htot = 1896, | |
895 | .vblank_def = 504, | |
3145efcd | 896 | }, |
5113d5b3 JM |
897 | .csi2_timings = { |
898 | /* Feed the full valid pixel array to the ISP. */ | |
899 | .analog_crop = { | |
900 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
901 | .top = OV5640_PIXEL_ARRAY_TOP, | |
902 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
903 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
904 | }, | |
905 | .crop = { | |
906 | .left = 56, | |
907 | .top = 60, | |
908 | .width = 720, | |
909 | .height = 480, | |
910 | }, | |
911 | .htot = 1896, | |
961bed9f | 912 | .vblank_def = 1206, |
3145efcd | 913 | }, |
db15c195 JM |
914 | .reg_data = ov5640_setting_low_res, |
915 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
916 | .max_fps = OV5640_30_FPS, |
917 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
918 | }, { |
919 | /* 720x576 */ | |
3145efcd JM |
920 | .id = OV5640_MODE_PAL_720_576, |
921 | .dn_mode = SUBSAMPLING, | |
5113d5b3 JM |
922 | .width = 720, |
923 | .height = 576, | |
3145efcd | 924 | .pixel_rate = OV5640_PIXEL_RATE_96M, |
5113d5b3 JM |
925 | .dvp_timings = { |
926 | .analog_crop = { | |
927 | .left = 0, | |
928 | .top = 4, | |
929 | .width = 2624, | |
930 | .height = 1944, | |
931 | }, | |
932 | .crop = { | |
933 | .left = 56, | |
934 | .top = 6, | |
935 | .width = 720, | |
936 | .height = 576, | |
937 | }, | |
938 | .htot = 1896, | |
939 | .vblank_def = 408, | |
3145efcd | 940 | }, |
5113d5b3 JM |
941 | .csi2_timings = { |
942 | /* Feed the full valid pixel array to the ISP. */ | |
943 | .analog_crop = { | |
944 | .left = OV5640_PIXEL_ARRAY_LEFT, | |
945 | .top = OV5640_PIXEL_ARRAY_TOP, | |
946 | .width = OV5640_PIXEL_ARRAY_WIDTH, | |
947 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
948 | }, | |
949 | .crop = { | |
950 | .left = 56, | |
951 | .top = 6, | |
952 | .width = 720, | |
953 | .height = 576, | |
954 | }, | |
955 | .htot = 1896, | |
961bed9f | 956 | .vblank_def = 1110, |
3145efcd | 957 | }, |
db15c195 JM |
958 | .reg_data = ov5640_setting_low_res, |
959 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
960 | .max_fps = OV5640_30_FPS, |
961 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
962 | }, { |
963 | /* 1024x768 */ | |
3145efcd JM |
964 | .id = OV5640_MODE_XGA_1024_768, |
965 | .dn_mode = SUBSAMPLING, | |
966 | .pixel_rate = OV5640_PIXEL_RATE_96M, | |
5113d5b3 JM |
967 | .width = 1024, |
968 | .height = 768, | |
969 | .dvp_timings = { | |
970 | .analog_crop = { | |
971 | .left = 0, | |
972 | .top = 4, | |
973 | .width = 2624, | |
974 | .height = 1944, | |
975 | }, | |
976 | .crop = { | |
977 | .left = 16, | |
978 | .top = 6, | |
979 | .width = 1024, | |
980 | .height = 768, | |
981 | }, | |
982 | .htot = 1896, | |
983 | .vblank_def = 312, | |
3145efcd | 984 | }, |
5113d5b3 JM |
985 | .csi2_timings = { |
986 | .analog_crop = { | |
987 | .left = 0, | |
988 | .top = 4, | |
989 | .width = OV5640_NATIVE_WIDTH, | |
990 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
991 | }, | |
992 | .crop = { | |
993 | .left = 16, | |
994 | .top = 6, | |
995 | .width = 1024, | |
996 | .height = 768, | |
997 | }, | |
998 | .htot = 1896, | |
961bed9f | 999 | .vblank_def = 918, |
3145efcd | 1000 | }, |
db15c195 JM |
1001 | .reg_data = ov5640_setting_low_res, |
1002 | .reg_data_size = ARRAY_SIZE(ov5640_setting_low_res), | |
19f2e3e6 HF |
1003 | .max_fps = OV5640_30_FPS, |
1004 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
1005 | }, { |
1006 | /* 1280x720 */ | |
3145efcd JM |
1007 | .id = OV5640_MODE_720P_1280_720, |
1008 | .dn_mode = SUBSAMPLING, | |
1009 | .pixel_rate = OV5640_PIXEL_RATE_124M, | |
5113d5b3 JM |
1010 | .width = 1280, |
1011 | .height = 720, | |
1012 | .dvp_timings = { | |
1013 | .analog_crop = { | |
1014 | .left = 0, | |
1015 | .top = 250, | |
1016 | .width = 2624, | |
1017 | .height = 1456, | |
1018 | }, | |
1019 | .crop = { | |
1020 | .left = 16, | |
1021 | .top = 4, | |
1022 | .width = 1280, | |
1023 | .height = 720, | |
1024 | }, | |
1025 | .htot = 1892, | |
1026 | .vblank_def = 20, | |
3145efcd | 1027 | }, |
5113d5b3 JM |
1028 | .csi2_timings = { |
1029 | .analog_crop = { | |
1030 | .left = 0, | |
1031 | .top = 250, | |
1032 | .width = 2624, | |
1033 | .height = 1456, | |
1034 | }, | |
1035 | .crop = { | |
1036 | .left = 16, | |
1037 | .top = 4, | |
1038 | .width = 1280, | |
1039 | .height = 720, | |
1040 | }, | |
961bed9f JM |
1041 | .htot = 1600, |
1042 | .vblank_def = 560, | |
3145efcd | 1043 | }, |
3145efcd JM |
1044 | .reg_data = ov5640_setting_720P_1280_720, |
1045 | .reg_data_size = ARRAY_SIZE(ov5640_setting_720P_1280_720), | |
19f2e3e6 HF |
1046 | .max_fps = OV5640_30_FPS, |
1047 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
1048 | }, { |
1049 | /* 1920x1080 */ | |
3145efcd JM |
1050 | .id = OV5640_MODE_1080P_1920_1080, |
1051 | .dn_mode = SCALING, | |
1052 | .pixel_rate = OV5640_PIXEL_RATE_148M, | |
5113d5b3 JM |
1053 | .width = 1920, |
1054 | .height = 1080, | |
1055 | .dvp_timings = { | |
1056 | .analog_crop = { | |
1057 | .left = 336, | |
1058 | .top = 434, | |
1059 | .width = 1952, | |
1060 | .height = 1088, | |
1061 | }, | |
1062 | .crop = { | |
1063 | .left = 16, | |
1064 | .top = 4, | |
1065 | .width = 1920, | |
1066 | .height = 1080, | |
1067 | }, | |
1068 | .htot = 2500, | |
1069 | .vblank_def = 40, | |
3145efcd | 1070 | }, |
5113d5b3 JM |
1071 | .csi2_timings = { |
1072 | /* Crop the full valid pixel array in the center. */ | |
1073 | .analog_crop = { | |
1074 | .left = 336, | |
1075 | .top = 434, | |
1076 | .width = 1952, | |
1077 | .height = 1088, | |
1078 | }, | |
1079 | /* Maintain a larger processing margins. */ | |
1080 | .crop = { | |
1081 | .left = 16, | |
1082 | .top = 4, | |
1083 | .width = 1920, | |
1084 | .height = 1080, | |
1085 | }, | |
961bed9f JM |
1086 | .htot = 2234, |
1087 | .vblank_def = 24, | |
3145efcd | 1088 | }, |
3145efcd JM |
1089 | .reg_data = ov5640_setting_1080P_1920_1080, |
1090 | .reg_data_size = ARRAY_SIZE(ov5640_setting_1080P_1920_1080), | |
19f2e3e6 HF |
1091 | .max_fps = OV5640_30_FPS, |
1092 | .def_fps = OV5640_30_FPS | |
8409d017 JM |
1093 | }, { |
1094 | /* 2592x1944 */ | |
3145efcd JM |
1095 | .id = OV5640_MODE_QSXGA_2592_1944, |
1096 | .dn_mode = SCALING, | |
1097 | .pixel_rate = OV5640_PIXEL_RATE_168M, | |
5113d5b3 JM |
1098 | .width = OV5640_PIXEL_ARRAY_WIDTH, |
1099 | .height = OV5640_PIXEL_ARRAY_HEIGHT, | |
1100 | .dvp_timings = { | |
1101 | .analog_crop = { | |
1102 | .left = 0, | |
1103 | .top = 0, | |
1104 | .width = 2624, | |
1105 | .height = 1952, | |
1106 | }, | |
1107 | .crop = { | |
1108 | .left = 16, | |
1109 | .top = 4, | |
1110 | .width = 2592, | |
1111 | .height = 1944, | |
1112 | }, | |
1113 | .htot = 2844, | |
1114 | .vblank_def = 24, | |
3145efcd | 1115 | }, |
5113d5b3 JM |
1116 | .csi2_timings = { |
1117 | /* Give more processing margin to full resolution. */ | |
1118 | .analog_crop = { | |
1119 | .left = 0, | |
1120 | .top = 0, | |
1121 | .width = OV5640_NATIVE_WIDTH, | |
1122 | .height = 1952, | |
1123 | }, | |
1124 | .crop = { | |
1125 | .left = 16, | |
1126 | .top = 4, | |
1127 | .width = 2592, | |
1128 | .height = 1944, | |
1129 | }, | |
1130 | .htot = 2844, | |
1131 | .vblank_def = 24, | |
3145efcd | 1132 | }, |
3145efcd JM |
1133 | .reg_data = ov5640_setting_QSXGA_2592_1944, |
1134 | .reg_data_size = ARRAY_SIZE(ov5640_setting_QSXGA_2592_1944), | |
19f2e3e6 HF |
1135 | .max_fps = OV5640_15_FPS, |
1136 | .def_fps = OV5640_15_FPS | |
8409d017 | 1137 | }, |
19a81c14 SL |
1138 | }; |
1139 | ||
2de6bb97 JM |
1140 | static const struct ov5640_timings * |
1141 | ov5640_timings(const struct ov5640_dev *sensor, | |
1142 | const struct ov5640_mode_info *mode) | |
1143 | { | |
1144 | if (ov5640_is_csi2(sensor)) | |
1145 | return &mode->csi2_timings; | |
1146 | ||
1147 | return &mode->dvp_timings; | |
1148 | } | |
1149 | ||
19a81c14 SL |
1150 | static int ov5640_init_slave_id(struct ov5640_dev *sensor) |
1151 | { | |
1152 | struct i2c_client *client = sensor->i2c_client; | |
1153 | struct i2c_msg msg; | |
1154 | u8 buf[3]; | |
1155 | int ret; | |
1156 | ||
1157 | if (client->addr == OV5640_DEFAULT_SLAVE_ID) | |
1158 | return 0; | |
1159 | ||
1160 | buf[0] = OV5640_REG_SLAVE_ID >> 8; | |
1161 | buf[1] = OV5640_REG_SLAVE_ID & 0xff; | |
1162 | buf[2] = client->addr << 1; | |
1163 | ||
1164 | msg.addr = OV5640_DEFAULT_SLAVE_ID; | |
1165 | msg.flags = 0; | |
1166 | msg.buf = buf; | |
1167 | msg.len = sizeof(buf); | |
1168 | ||
1169 | ret = i2c_transfer(client->adapter, &msg, 1); | |
1170 | if (ret < 0) { | |
1171 | dev_err(&client->dev, "%s: failed with %d\n", __func__, ret); | |
1172 | return ret; | |
1173 | } | |
1174 | ||
1175 | return 0; | |
1176 | } | |
1177 | ||
1178 | static int ov5640_write_reg(struct ov5640_dev *sensor, u16 reg, u8 val) | |
1179 | { | |
1180 | struct i2c_client *client = sensor->i2c_client; | |
1181 | struct i2c_msg msg; | |
1182 | u8 buf[3]; | |
1183 | int ret; | |
1184 | ||
1185 | buf[0] = reg >> 8; | |
1186 | buf[1] = reg & 0xff; | |
1187 | buf[2] = val; | |
1188 | ||
1189 | msg.addr = client->addr; | |
1190 | msg.flags = client->flags; | |
1191 | msg.buf = buf; | |
1192 | msg.len = sizeof(buf); | |
1193 | ||
1194 | ret = i2c_transfer(client->adapter, &msg, 1); | |
1195 | if (ret < 0) { | |
3924c623 | 1196 | dev_err(&client->dev, "%s: error: reg=%x, val=%x\n", |
19a81c14 SL |
1197 | __func__, reg, val); |
1198 | return ret; | |
1199 | } | |
1200 | ||
1201 | return 0; | |
1202 | } | |
1203 | ||
1204 | static int ov5640_read_reg(struct ov5640_dev *sensor, u16 reg, u8 *val) | |
1205 | { | |
1206 | struct i2c_client *client = sensor->i2c_client; | |
1207 | struct i2c_msg msg[2]; | |
1208 | u8 buf[2]; | |
1209 | int ret; | |
1210 | ||
1211 | buf[0] = reg >> 8; | |
1212 | buf[1] = reg & 0xff; | |
1213 | ||
1214 | msg[0].addr = client->addr; | |
1215 | msg[0].flags = client->flags; | |
1216 | msg[0].buf = buf; | |
1217 | msg[0].len = sizeof(buf); | |
1218 | ||
1219 | msg[1].addr = client->addr; | |
1220 | msg[1].flags = client->flags | I2C_M_RD; | |
1221 | msg[1].buf = buf; | |
1222 | msg[1].len = 1; | |
1223 | ||
1224 | ret = i2c_transfer(client->adapter, msg, 2); | |
3924c623 HF |
1225 | if (ret < 0) { |
1226 | dev_err(&client->dev, "%s: error: reg=%x\n", | |
1227 | __func__, reg); | |
19a81c14 | 1228 | return ret; |
3924c623 | 1229 | } |
19a81c14 SL |
1230 | |
1231 | *val = buf[0]; | |
1232 | return 0; | |
1233 | } | |
1234 | ||
1235 | static int ov5640_read_reg16(struct ov5640_dev *sensor, u16 reg, u16 *val) | |
1236 | { | |
1237 | u8 hi, lo; | |
1238 | int ret; | |
1239 | ||
1240 | ret = ov5640_read_reg(sensor, reg, &hi); | |
1241 | if (ret) | |
1242 | return ret; | |
41d8d7f5 | 1243 | ret = ov5640_read_reg(sensor, reg + 1, &lo); |
19a81c14 SL |
1244 | if (ret) |
1245 | return ret; | |
1246 | ||
1247 | *val = ((u16)hi << 8) | (u16)lo; | |
1248 | return 0; | |
1249 | } | |
1250 | ||
1251 | static int ov5640_write_reg16(struct ov5640_dev *sensor, u16 reg, u16 val) | |
1252 | { | |
1253 | int ret; | |
1254 | ||
1255 | ret = ov5640_write_reg(sensor, reg, val >> 8); | |
1256 | if (ret) | |
1257 | return ret; | |
1258 | ||
1259 | return ov5640_write_reg(sensor, reg + 1, val & 0xff); | |
1260 | } | |
1261 | ||
1262 | static int ov5640_mod_reg(struct ov5640_dev *sensor, u16 reg, | |
1263 | u8 mask, u8 val) | |
1264 | { | |
1265 | u8 readval; | |
1266 | int ret; | |
1267 | ||
1268 | ret = ov5640_read_reg(sensor, reg, &readval); | |
1269 | if (ret) | |
1270 | return ret; | |
1271 | ||
1272 | readval &= ~mask; | |
1273 | val &= mask; | |
1274 | val |= readval; | |
1275 | ||
1276 | return ov5640_write_reg(sensor, reg, val); | |
1277 | } | |
1278 | ||
aa288248 MR |
1279 | /* |
1280 | * After trying the various combinations, reading various | |
f8a7647d | 1281 | * documentations spread around the net, and from the various |
aa288248 MR |
1282 | * feedback, the clock tree is probably as follows: |
1283 | * | |
1284 | * +--------------+ | |
1285 | * | Ext. Clock | | |
1286 | * +-+------------+ | |
1287 | * | +----------+ | |
1288 | * +->| PLL1 | - reg 0x3036, for the multiplier | |
1289 | * +-+--------+ - reg 0x3037, bits 0-3 for the pre-divider | |
1290 | * | +--------------+ | |
1291 | * +->| System Clock | - reg 0x3035, bits 4-7 | |
1292 | * +-+------------+ | |
1293 | * | +--------------+ | |
1294 | * +->| MIPI Divider | - reg 0x3035, bits 0-3 | |
1295 | * | +-+------------+ | |
1296 | * | +----------------> MIPI SCLK | |
1297 | * | + +-----+ | |
1298 | * | +->| / 2 |-------> MIPI BIT CLK | |
1299 | * | +-----+ | |
1300 | * | +--------------+ | |
1301 | * +->| PLL Root Div | - reg 0x3037, bit 4 | |
1302 | * +-+------------+ | |
1303 | * | +---------+ | |
4c85f628 | 1304 | * +->| Bit Div | - reg 0x3034, bits 0-3 |
aa288248 MR |
1305 | * +-+-------+ |
1306 | * | +-------------+ | |
1307 | * +->| SCLK Div | - reg 0x3108, bits 0-1 | |
1308 | * | +-+-----------+ | |
1309 | * | +---------------> SCLK | |
1310 | * | +-------------+ | |
1311 | * +->| SCLK 2X Div | - reg 0x3108, bits 2-3 | |
1312 | * | +-+-----------+ | |
1313 | * | +---------------> SCLK 2X | |
1314 | * | +-------------+ | |
1315 | * +->| PCLK Div | - reg 0x3108, bits 4-5 | |
1316 | * ++------------+ | |
1317 | * + +-----------+ | |
1318 | * +->| P_DIV | - reg 0x3035, bits 0-3 | |
1319 | * +-----+-----+ | |
1320 | * +------------> PCLK | |
1321 | * | |
6c957ed7 | 1322 | * There seems to be also constraints: |
aa288248 MR |
1323 | * - the PLL pre-divider output rate should be in the 4-27MHz range |
1324 | * - the PLL multiplier output rate should be in the 500-1000MHz range | |
1325 | * - PCLK >= SCLK * 2 in YUV, >= SCLK in Raw or JPEG | |
aa288248 MR |
1326 | */ |
1327 | ||
1328 | /* | |
1329 | * This is supposed to be ranging from 1 to 8, but the value is always | |
1330 | * set to 3 in the vendor kernels. | |
1331 | */ | |
1332 | #define OV5640_PLL_PREDIV 3 | |
1333 | ||
1334 | #define OV5640_PLL_MULT_MIN 4 | |
1335 | #define OV5640_PLL_MULT_MAX 252 | |
1336 | ||
1337 | /* | |
1338 | * This is supposed to be ranging from 1 to 16, but the value is | |
1339 | * always set to either 1 or 2 in the vendor kernels. | |
1340 | */ | |
1341 | #define OV5640_SYSDIV_MIN 1 | |
1342 | #define OV5640_SYSDIV_MAX 16 | |
1343 | ||
aa288248 MR |
1344 | /* |
1345 | * This is supposed to be ranging from 1 to 2, but the value is always | |
1346 | * set to 2 in the vendor kernels. | |
1347 | */ | |
1348 | #define OV5640_PLL_ROOT_DIV 2 | |
1349 | #define OV5640_PLL_CTRL3_PLL_ROOT_DIV_2 BIT(4) | |
1350 | ||
1351 | /* | |
1352 | * We only supports 8-bit formats at the moment | |
1353 | */ | |
1354 | #define OV5640_BIT_DIV 2 | |
1355 | #define OV5640_PLL_CTRL0_MIPI_MODE_8BIT 0x08 | |
1356 | ||
1357 | /* | |
1358 | * This is supposed to be ranging from 1 to 8, but the value is always | |
1359 | * set to 2 in the vendor kernels. | |
1360 | */ | |
1361 | #define OV5640_SCLK_ROOT_DIV 2 | |
1362 | ||
1363 | /* | |
1364 | * This is hardcoded so that the consistency is maintained between SCLK and | |
1365 | * SCLK 2x. | |
1366 | */ | |
1367 | #define OV5640_SCLK2X_ROOT_DIV (OV5640_SCLK_ROOT_DIV / 2) | |
1368 | ||
1369 | /* | |
1370 | * This is supposed to be ranging from 1 to 8, but the value is always | |
1371 | * set to 1 in the vendor kernels. | |
1372 | */ | |
1373 | #define OV5640_PCLK_ROOT_DIV 1 | |
1374 | #define OV5640_PLL_SYS_ROOT_DIVIDER_BYPASS 0x00 | |
1375 | ||
1376 | static unsigned long ov5640_compute_sys_clk(struct ov5640_dev *sensor, | |
1377 | u8 pll_prediv, u8 pll_mult, | |
1378 | u8 sysdiv) | |
1379 | { | |
1380 | unsigned long sysclk = sensor->xclk_freq / pll_prediv * pll_mult; | |
1381 | ||
1382 | /* PLL1 output cannot exceed 1GHz. */ | |
1383 | if (sysclk / 1000000 > 1000) | |
1384 | return 0; | |
1385 | ||
1386 | return sysclk / sysdiv; | |
1387 | } | |
1388 | ||
1389 | static unsigned long ov5640_calc_sys_clk(struct ov5640_dev *sensor, | |
1390 | unsigned long rate, | |
1391 | u8 *pll_prediv, u8 *pll_mult, | |
1392 | u8 *sysdiv) | |
1393 | { | |
1394 | unsigned long best = ~0; | |
1395 | u8 best_sysdiv = 1, best_mult = 1; | |
1396 | u8 _sysdiv, _pll_mult; | |
1397 | ||
1398 | for (_sysdiv = OV5640_SYSDIV_MIN; | |
1399 | _sysdiv <= OV5640_SYSDIV_MAX; | |
1400 | _sysdiv++) { | |
1401 | for (_pll_mult = OV5640_PLL_MULT_MIN; | |
1402 | _pll_mult <= OV5640_PLL_MULT_MAX; | |
1403 | _pll_mult++) { | |
1404 | unsigned long _rate; | |
1405 | ||
1406 | /* | |
1407 | * The PLL multiplier cannot be odd if above | |
1408 | * 127. | |
1409 | */ | |
1410 | if (_pll_mult > 127 && (_pll_mult % 2)) | |
1411 | continue; | |
1412 | ||
1413 | _rate = ov5640_compute_sys_clk(sensor, | |
1414 | OV5640_PLL_PREDIV, | |
1415 | _pll_mult, _sysdiv); | |
1416 | ||
1417 | /* | |
1418 | * We have reached the maximum allowed PLL1 output, | |
1419 | * increase sysdiv. | |
1420 | */ | |
2e3df204 | 1421 | if (!_rate) |
aa288248 MR |
1422 | break; |
1423 | ||
1424 | /* | |
1425 | * Prefer rates above the expected clock rate than | |
1426 | * below, even if that means being less precise. | |
1427 | */ | |
1428 | if (_rate < rate) | |
1429 | continue; | |
1430 | ||
1431 | if (abs(rate - _rate) < abs(rate - best)) { | |
1432 | best = _rate; | |
1433 | best_sysdiv = _sysdiv; | |
1434 | best_mult = _pll_mult; | |
1435 | } | |
1436 | ||
1437 | if (_rate == rate) | |
1438 | goto out; | |
1439 | } | |
1440 | } | |
1441 | ||
1442 | out: | |
1443 | *sysdiv = best_sysdiv; | |
1444 | *pll_prediv = OV5640_PLL_PREDIV; | |
1445 | *pll_mult = best_mult; | |
1446 | ||
1447 | return best; | |
1448 | } | |
1449 | ||
1450 | /* | |
1451 | * ov5640_set_mipi_pclk() - Calculate the clock tree configuration values | |
1452 | * for the MIPI CSI-2 output. | |
aa288248 | 1453 | */ |
6c957ed7 | 1454 | static int ov5640_set_mipi_pclk(struct ov5640_dev *sensor) |
aa288248 | 1455 | { |
6c957ed7 | 1456 | u8 bit_div, mipi_div, pclk_div, sclk_div, sclk2x_div, root_div; |
aa288248 | 1457 | u8 prediv, mult, sysdiv; |
6c957ed7 JM |
1458 | unsigned long link_freq; |
1459 | unsigned long sysclk; | |
1460 | u8 pclk_period; | |
1461 | u32 sample_rate; | |
1462 | u32 num_lanes; | |
aa288248 MR |
1463 | int ret; |
1464 | ||
6c957ed7 JM |
1465 | /* Use the link freq computed at ov5640_update_pixel_rate() time. */ |
1466 | link_freq = sensor->current_link_freq; | |
1467 | ||
aa288248 | 1468 | /* |
6c957ed7 JM |
1469 | * - mipi_div - Additional divider for the MIPI lane clock. |
1470 | * | |
1471 | * Higher link frequencies would make sysclk > 1GHz. | |
1472 | * Keep the sysclk low and do not divide in the MIPI domain. | |
aa288248 | 1473 | */ |
6c957ed7 JM |
1474 | if (link_freq > OV5640_LINK_RATE_MAX) |
1475 | mipi_div = 1; | |
aa288248 | 1476 | else |
6c957ed7 | 1477 | mipi_div = 2; |
aa288248 | 1478 | |
6c957ed7 JM |
1479 | sysclk = link_freq * mipi_div; |
1480 | ov5640_calc_sys_clk(sensor, sysclk, &prediv, &mult, &sysdiv); | |
aa288248 | 1481 | |
6c957ed7 JM |
1482 | /* |
1483 | * Adjust PLL parameters to maintain the MIPI_SCLK-to-PCLK ratio. | |
1484 | * | |
1485 | * - root_div = 2 (fixed) | |
1486 | * - bit_div : MIPI 8-bit = 2; MIPI 10-bit = 2.5 | |
1487 | * - pclk_div = 1 (fixed) | |
1488 | * - p_div = (2 lanes ? mipi_div : 2 * mipi_div) | |
1489 | * | |
1490 | * This results in the following MIPI_SCLK depending on the number | |
1491 | * of lanes: | |
1492 | * | |
1493 | * - 2 lanes: MIPI_SCLK = (4 or 5) * PCLK | |
1494 | * - 1 lanes: MIPI_SCLK = (8 or 10) * PCLK | |
1495 | */ | |
1496 | root_div = OV5640_PLL_CTRL3_PLL_ROOT_DIV_2; | |
1497 | bit_div = OV5640_PLL_CTRL0_MIPI_MODE_8BIT; | |
1498 | pclk_div = ilog2(OV5640_PCLK_ROOT_DIV); | |
aa288248 | 1499 | |
6c957ed7 JM |
1500 | /* |
1501 | * Scaler clock: | |
1502 | * - YUV: PCLK >= 2 * SCLK | |
1503 | * - RAW or JPEG: PCLK >= SCLK | |
1504 | * - sclk2x_div = sclk_div / 2 | |
1505 | */ | |
1506 | sclk_div = ilog2(OV5640_SCLK_ROOT_DIV); | |
1507 | sclk2x_div = ilog2(OV5640_SCLK2X_ROOT_DIV); | |
1508 | ||
1509 | /* | |
1510 | * Set the pixel clock period expressed in ns with 1-bit decimal | |
1511 | * (0x01=0.5ns). | |
1512 | * | |
1513 | * The register is very briefly documented. In the OV5645 datasheet it | |
1514 | * is described as (2 * pclk period), and from testing it seems the | |
1515 | * actual definition is 2 * 8-bit sample period. | |
1516 | * | |
1517 | * 2 * sample_period = (mipi_clk * 2 * num_lanes / bpp) * (bpp / 8) / 2 | |
1518 | */ | |
1519 | num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; | |
1520 | sample_rate = (link_freq * mipi_div * num_lanes * 2) / 16; | |
1521 | pclk_period = 2000000000UL / sample_rate; | |
1522 | ||
1523 | /* Program the clock tree registers. */ | |
1524 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, 0x0f, bit_div); | |
1525 | if (ret) | |
1526 | return ret; | |
1527 | ||
1528 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, 0xff, | |
1529 | (sysdiv << 4) | mipi_div); | |
aa288248 MR |
1530 | if (ret) |
1531 | return ret; | |
1532 | ||
1533 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, 0xff, mult); | |
1534 | if (ret) | |
1535 | return ret; | |
1536 | ||
6c957ed7 JM |
1537 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, 0x1f, |
1538 | root_div | prediv); | |
1539 | if (ret) | |
1540 | return ret; | |
1541 | ||
1542 | ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, | |
1543 | (pclk_div << 4) | (sclk2x_div << 2) | sclk_div); | |
aa288248 MR |
1544 | if (ret) |
1545 | return ret; | |
1546 | ||
6c957ed7 JM |
1547 | return ov5640_write_reg(sensor, OV5640_REG_PCLK_PERIOD, pclk_period); |
1548 | } | |
1549 | ||
1550 | static u32 ov5640_calc_pixel_rate(struct ov5640_dev *sensor) | |
1551 | { | |
3145efcd | 1552 | const struct ov5640_mode_info *mode = sensor->current_mode; |
5113d5b3 | 1553 | const struct ov5640_timings *timings = &mode->dvp_timings; |
6c957ed7 JM |
1554 | u32 rate; |
1555 | ||
5113d5b3 | 1556 | rate = timings->htot * (timings->crop.height + timings->vblank_def); |
6c957ed7 JM |
1557 | rate *= ov5640_framerates[sensor->current_fr]; |
1558 | ||
1559 | return rate; | |
aa288248 MR |
1560 | } |
1561 | ||
1562 | static unsigned long ov5640_calc_pclk(struct ov5640_dev *sensor, | |
1563 | unsigned long rate, | |
1564 | u8 *pll_prediv, u8 *pll_mult, u8 *sysdiv, | |
1565 | u8 *pll_rdiv, u8 *bit_div, u8 *pclk_div) | |
1566 | { | |
1567 | unsigned long _rate = rate * OV5640_PLL_ROOT_DIV * OV5640_BIT_DIV * | |
1568 | OV5640_PCLK_ROOT_DIV; | |
1569 | ||
1570 | _rate = ov5640_calc_sys_clk(sensor, _rate, pll_prediv, pll_mult, | |
1571 | sysdiv); | |
1572 | *pll_rdiv = OV5640_PLL_ROOT_DIV; | |
1573 | *bit_div = OV5640_BIT_DIV; | |
1574 | *pclk_div = OV5640_PCLK_ROOT_DIV; | |
1575 | ||
1576 | return _rate / *pll_rdiv / *bit_div / *pclk_div; | |
1577 | } | |
1578 | ||
6c957ed7 | 1579 | static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor) |
aa288248 MR |
1580 | { |
1581 | u8 prediv, mult, sysdiv, pll_rdiv, bit_div, pclk_div; | |
6c957ed7 | 1582 | u32 rate; |
aa288248 MR |
1583 | int ret; |
1584 | ||
6c957ed7 | 1585 | rate = ov5640_calc_pixel_rate(sensor); |
a89f14bb | 1586 | rate *= ov5640_code_to_bpp(sensor, sensor->fmt.code); |
6c957ed7 JM |
1587 | rate /= sensor->ep.bus.parallel.bus_width; |
1588 | ||
aa288248 MR |
1589 | ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, |
1590 | &bit_div, &pclk_div); | |
1591 | ||
1592 | if (bit_div == 2) | |
1593 | bit_div = 8; | |
1594 | ||
1595 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL0, | |
1596 | 0x0f, bit_div); | |
1597 | if (ret) | |
1598 | return ret; | |
1599 | ||
1600 | /* | |
1601 | * We need to set sysdiv according to the clock, and to clear | |
1602 | * the MIPI divider. | |
1603 | */ | |
1604 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL1, | |
1605 | 0xff, sysdiv << 4); | |
1606 | if (ret) | |
1607 | return ret; | |
1608 | ||
1609 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL2, | |
1610 | 0xff, mult); | |
1611 | if (ret) | |
1612 | return ret; | |
1613 | ||
1614 | ret = ov5640_mod_reg(sensor, OV5640_REG_SC_PLL_CTRL3, | |
1615 | 0x1f, prediv | ((pll_rdiv - 1) << 4)); | |
1616 | if (ret) | |
1617 | return ret; | |
1618 | ||
1619 | return ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x30, | |
1620 | (ilog2(pclk_div) << 4)); | |
1621 | } | |
1622 | ||
7cb013b1 CYT |
1623 | /* set JPEG framing sizes */ |
1624 | static int ov5640_set_jpeg_timings(struct ov5640_dev *sensor, | |
1625 | const struct ov5640_mode_info *mode) | |
1626 | { | |
1627 | int ret; | |
1628 | ||
2b5c18f9 CYT |
1629 | /* |
1630 | * compression mode 3 timing | |
1631 | * | |
1632 | * Data is transmitted with programmable width (VFIFO_HSIZE). | |
1633 | * No padding done. Last line may have less data. Varying | |
1634 | * number of lines per frame, depending on amount of data. | |
1635 | */ | |
1636 | ret = ov5640_mod_reg(sensor, OV5640_REG_JPG_MODE_SELECT, 0x7, 0x3); | |
1637 | if (ret < 0) | |
1638 | return ret; | |
1639 | ||
5113d5b3 | 1640 | ret = ov5640_write_reg16(sensor, OV5640_REG_VFIFO_HSIZE, mode->width); |
7cb013b1 CYT |
1641 | if (ret < 0) |
1642 | return ret; | |
1643 | ||
5113d5b3 | 1644 | return ov5640_write_reg16(sensor, OV5640_REG_VFIFO_VSIZE, mode->height); |
7cb013b1 CYT |
1645 | } |
1646 | ||
19a81c14 | 1647 | /* download ov5640 settings to sensor through i2c */ |
bad1774e JM |
1648 | static int ov5640_set_timings(struct ov5640_dev *sensor, |
1649 | const struct ov5640_mode_info *mode) | |
1650 | { | |
5113d5b3 JM |
1651 | const struct ov5640_timings *timings; |
1652 | const struct v4l2_rect *analog_crop; | |
1653 | const struct v4l2_rect *crop; | |
bad1774e JM |
1654 | int ret; |
1655 | ||
7cb013b1 CYT |
1656 | if (sensor->fmt.code == MEDIA_BUS_FMT_JPEG_1X8) { |
1657 | ret = ov5640_set_jpeg_timings(sensor, mode); | |
1658 | if (ret < 0) | |
1659 | return ret; | |
1660 | } | |
1661 | ||
2de6bb97 | 1662 | timings = ov5640_timings(sensor, mode); |
5113d5b3 JM |
1663 | analog_crop = &timings->analog_crop; |
1664 | crop = &timings->crop; | |
1665 | ||
3145efcd JM |
1666 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HS, |
1667 | analog_crop->left); | |
bad1774e JM |
1668 | if (ret < 0) |
1669 | return ret; | |
1670 | ||
3145efcd JM |
1671 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VS, |
1672 | analog_crop->top); | |
1673 | if (ret < 0) | |
1674 | return ret; | |
1675 | ||
1676 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HW, | |
1677 | analog_crop->left + analog_crop->width - 1); | |
1678 | if (ret < 0) | |
1679 | return ret; | |
1680 | ||
1681 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VH, | |
1682 | analog_crop->top + analog_crop->height - 1); | |
1683 | if (ret < 0) | |
1684 | return ret; | |
1685 | ||
1686 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HOFFS, crop->left); | |
1687 | if (ret < 0) | |
1688 | return ret; | |
1689 | ||
1690 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VOFFS, crop->top); | |
1691 | if (ret < 0) | |
1692 | return ret; | |
1693 | ||
5113d5b3 | 1694 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPHO, mode->width); |
3145efcd JM |
1695 | if (ret < 0) |
1696 | return ret; | |
1697 | ||
5113d5b3 | 1698 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_DVPVO, mode->height); |
bad1774e JM |
1699 | if (ret < 0) |
1700 | return ret; | |
1701 | ||
5113d5b3 | 1702 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_HTS, timings->htot); |
bad1774e JM |
1703 | if (ret < 0) |
1704 | return ret; | |
1705 | ||
3145efcd | 1706 | ret = ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, |
5113d5b3 | 1707 | mode->height + timings->vblank_def); |
3145efcd JM |
1708 | if (ret < 0) |
1709 | return ret; | |
1710 | ||
1711 | return 0; | |
bad1774e JM |
1712 | } |
1713 | ||
e4359019 JM |
1714 | static void ov5640_load_regs(struct ov5640_dev *sensor, |
1715 | const struct reg_value *regs, unsigned int regnum) | |
19a81c14 | 1716 | { |
19a81c14 SL |
1717 | unsigned int i; |
1718 | u32 delay_ms; | |
1719 | u16 reg_addr; | |
1720 | u8 mask, val; | |
1721 | int ret = 0; | |
1722 | ||
e4359019 | 1723 | for (i = 0; i < regnum; ++i, ++regs) { |
19a81c14 SL |
1724 | delay_ms = regs->delay_ms; |
1725 | reg_addr = regs->reg_addr; | |
1726 | val = regs->val; | |
1727 | mask = regs->mask; | |
1728 | ||
3b987d70 LP |
1729 | /* remain in power down mode for DVP */ |
1730 | if (regs->reg_addr == OV5640_REG_SYS_CTRL0 && | |
1731 | val == OV5640_REG_SYS_CTRL0_SW_PWUP && | |
8e823f5c | 1732 | !ov5640_is_csi2(sensor)) |
3b987d70 LP |
1733 | continue; |
1734 | ||
19a81c14 SL |
1735 | if (mask) |
1736 | ret = ov5640_mod_reg(sensor, reg_addr, mask, val); | |
1737 | else | |
1738 | ret = ov5640_write_reg(sensor, reg_addr, val); | |
1739 | if (ret) | |
1740 | break; | |
1741 | ||
1742 | if (delay_ms) | |
41d8d7f5 | 1743 | usleep_range(1000 * delay_ms, 1000 * delay_ms + 100); |
19a81c14 | 1744 | } |
19a81c14 SL |
1745 | } |
1746 | ||
dc29a1c1 HF |
1747 | static int ov5640_set_autoexposure(struct ov5640_dev *sensor, bool on) |
1748 | { | |
1749 | return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, | |
1750 | BIT(0), on ? 0 : BIT(0)); | |
1751 | } | |
1752 | ||
19a81c14 SL |
1753 | /* read exposure, in number of line periods */ |
1754 | static int ov5640_get_exposure(struct ov5640_dev *sensor) | |
1755 | { | |
1756 | int exp, ret; | |
1757 | u8 temp; | |
1758 | ||
1759 | ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_HI, &temp); | |
1760 | if (ret) | |
1761 | return ret; | |
1762 | exp = ((int)temp & 0x0f) << 16; | |
1763 | ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_MED, &temp); | |
1764 | if (ret) | |
1765 | return ret; | |
1766 | exp |= ((int)temp << 8); | |
1767 | ret = ov5640_read_reg(sensor, OV5640_REG_AEC_PK_EXPOSURE_LO, &temp); | |
1768 | if (ret) | |
1769 | return ret; | |
1770 | exp |= (int)temp; | |
1771 | ||
1772 | return exp >> 4; | |
1773 | } | |
1774 | ||
1775 | /* write exposure, given number of line periods */ | |
1776 | static int ov5640_set_exposure(struct ov5640_dev *sensor, u32 exposure) | |
1777 | { | |
1778 | int ret; | |
1779 | ||
1780 | exposure <<= 4; | |
1781 | ||
1782 | ret = ov5640_write_reg(sensor, | |
1783 | OV5640_REG_AEC_PK_EXPOSURE_LO, | |
1784 | exposure & 0xff); | |
1785 | if (ret) | |
1786 | return ret; | |
1787 | ret = ov5640_write_reg(sensor, | |
1788 | OV5640_REG_AEC_PK_EXPOSURE_MED, | |
1789 | (exposure >> 8) & 0xff); | |
1790 | if (ret) | |
1791 | return ret; | |
1792 | return ov5640_write_reg(sensor, | |
1793 | OV5640_REG_AEC_PK_EXPOSURE_HI, | |
1794 | (exposure >> 16) & 0x0f); | |
1795 | } | |
1796 | ||
1797 | static int ov5640_get_gain(struct ov5640_dev *sensor) | |
1798 | { | |
1799 | u16 gain; | |
1800 | int ret; | |
1801 | ||
1802 | ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, &gain); | |
1803 | if (ret) | |
1804 | return ret; | |
1805 | ||
1806 | return gain & 0x3ff; | |
1807 | } | |
1808 | ||
3cca8ef5 HF |
1809 | static int ov5640_set_gain(struct ov5640_dev *sensor, int gain) |
1810 | { | |
1811 | return ov5640_write_reg16(sensor, OV5640_REG_AEC_PK_REAL_GAIN, | |
1812 | (u16)gain & 0x3ff); | |
1813 | } | |
1814 | ||
1815 | static int ov5640_set_autogain(struct ov5640_dev *sensor, bool on) | |
1816 | { | |
1817 | return ov5640_mod_reg(sensor, OV5640_REG_AEC_PK_MANUAL, | |
1818 | BIT(1), on ? 0 : BIT(1)); | |
1819 | } | |
1820 | ||
f22996db HF |
1821 | static int ov5640_set_stream_dvp(struct ov5640_dev *sensor, bool on) |
1822 | { | |
3b987d70 LP |
1823 | return ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, on ? |
1824 | OV5640_REG_SYS_CTRL0_SW_PWUP : | |
1825 | OV5640_REG_SYS_CTRL0_SW_PWDN); | |
f22996db HF |
1826 | } |
1827 | ||
1828 | static int ov5640_set_stream_mipi(struct ov5640_dev *sensor, bool on) | |
19a81c14 SL |
1829 | { |
1830 | int ret; | |
1831 | ||
aa4bb8b8 JM |
1832 | /* |
1833 | * Enable/disable the MIPI interface | |
1834 | * | |
1835 | * 0x300e = on ? 0x45 : 0x40 | |
1836 | * | |
1837 | * FIXME: the sensor manual (version 2.03) reports | |
1838 | * [7:5] = 000 : 1 data lane mode | |
1839 | * [7:5] = 001 : 2 data lanes mode | |
1840 | * But this settings do not work, while the following ones | |
1841 | * have been validated for 2 data lanes mode. | |
1842 | * | |
1843 | * [7:5] = 010 : 2 data lanes mode | |
1844 | * [4] = 0 : Power up MIPI HS Tx | |
1845 | * [3] = 0 : Power up MIPI LS Rx | |
1846 | * [2] = 1/0 : MIPI interface enable/disable | |
1847 | * [1:0] = 01/00: FIXME: 'debug' | |
1848 | */ | |
1849 | ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, | |
1850 | on ? 0x45 : 0x40); | |
19a81c14 SL |
1851 | if (ret) |
1852 | return ret; | |
1853 | ||
1854 | return ov5640_write_reg(sensor, OV5640_REG_FRAME_CTRL01, | |
1855 | on ? 0x00 : 0x0f); | |
1856 | } | |
1857 | ||
1858 | static int ov5640_get_sysclk(struct ov5640_dev *sensor) | |
1859 | { | |
1860 | /* calculate sysclk */ | |
1861 | u32 xvclk = sensor->xclk_freq / 10000; | |
1862 | u32 multiplier, prediv, VCO, sysdiv, pll_rdiv; | |
1863 | u32 sclk_rdiv_map[] = {1, 2, 4, 8}; | |
1864 | u32 bit_div2x = 1, sclk_rdiv, sysclk; | |
1865 | u8 temp1, temp2; | |
1866 | int ret; | |
1867 | ||
1868 | ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL0, &temp1); | |
1869 | if (ret) | |
1870 | return ret; | |
1871 | temp2 = temp1 & 0x0f; | |
1872 | if (temp2 == 8 || temp2 == 10) | |
1873 | bit_div2x = temp2 / 2; | |
1874 | ||
1875 | ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL1, &temp1); | |
1876 | if (ret) | |
1877 | return ret; | |
1878 | sysdiv = temp1 >> 4; | |
1879 | if (sysdiv == 0) | |
1880 | sysdiv = 16; | |
1881 | ||
1882 | ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL2, &temp1); | |
1883 | if (ret) | |
1884 | return ret; | |
1885 | multiplier = temp1; | |
1886 | ||
1887 | ret = ov5640_read_reg(sensor, OV5640_REG_SC_PLL_CTRL3, &temp1); | |
1888 | if (ret) | |
1889 | return ret; | |
1890 | prediv = temp1 & 0x0f; | |
1891 | pll_rdiv = ((temp1 >> 4) & 0x01) + 1; | |
1892 | ||
1893 | ret = ov5640_read_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, &temp1); | |
1894 | if (ret) | |
1895 | return ret; | |
1896 | temp2 = temp1 & 0x03; | |
1897 | sclk_rdiv = sclk_rdiv_map[temp2]; | |
1898 | ||
1899 | if (!prediv || !sysdiv || !pll_rdiv || !bit_div2x) | |
1900 | return -EINVAL; | |
1901 | ||
1902 | VCO = xvclk * multiplier / prediv; | |
1903 | ||
1904 | sysclk = VCO / sysdiv / pll_rdiv * 2 / bit_div2x / sclk_rdiv; | |
1905 | ||
1906 | return sysclk; | |
1907 | } | |
1908 | ||
1909 | static int ov5640_set_night_mode(struct ov5640_dev *sensor) | |
1910 | { | |
1911 | /* read HTS from register settings */ | |
1912 | u8 mode; | |
1913 | int ret; | |
1914 | ||
1915 | ret = ov5640_read_reg(sensor, OV5640_REG_AEC_CTRL00, &mode); | |
1916 | if (ret) | |
1917 | return ret; | |
1918 | mode &= 0xfb; | |
1919 | return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL00, mode); | |
1920 | } | |
1921 | ||
1922 | static int ov5640_get_hts(struct ov5640_dev *sensor) | |
1923 | { | |
1924 | /* read HTS from register settings */ | |
1925 | u16 hts; | |
1926 | int ret; | |
1927 | ||
1928 | ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_HTS, &hts); | |
1929 | if (ret) | |
1930 | return ret; | |
1931 | return hts; | |
1932 | } | |
1933 | ||
1934 | static int ov5640_get_vts(struct ov5640_dev *sensor) | |
1935 | { | |
1936 | u16 vts; | |
1937 | int ret; | |
1938 | ||
1939 | ret = ov5640_read_reg16(sensor, OV5640_REG_TIMING_VTS, &vts); | |
1940 | if (ret) | |
1941 | return ret; | |
1942 | return vts; | |
1943 | } | |
1944 | ||
1945 | static int ov5640_set_vts(struct ov5640_dev *sensor, int vts) | |
1946 | { | |
1947 | return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, vts); | |
1948 | } | |
1949 | ||
1950 | static int ov5640_get_light_freq(struct ov5640_dev *sensor) | |
1951 | { | |
1952 | /* get banding filter value */ | |
1953 | int ret, light_freq = 0; | |
1954 | u8 temp, temp1; | |
1955 | ||
1956 | ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL01, &temp); | |
1957 | if (ret) | |
1958 | return ret; | |
1959 | ||
1960 | if (temp & 0x80) { | |
1961 | /* manual */ | |
1962 | ret = ov5640_read_reg(sensor, OV5640_REG_HZ5060_CTRL00, | |
1963 | &temp1); | |
1964 | if (ret) | |
1965 | return ret; | |
1966 | if (temp1 & 0x04) { | |
1967 | /* 50Hz */ | |
1968 | light_freq = 50; | |
1969 | } else { | |
1970 | /* 60Hz */ | |
1971 | light_freq = 60; | |
1972 | } | |
1973 | } else { | |
1974 | /* auto */ | |
1975 | ret = ov5640_read_reg(sensor, OV5640_REG_SIGMADELTA_CTRL0C, | |
1976 | &temp1); | |
1977 | if (ret) | |
1978 | return ret; | |
1979 | ||
1980 | if (temp1 & 0x01) { | |
1981 | /* 50Hz */ | |
1982 | light_freq = 50; | |
1983 | } else { | |
1984 | /* 60Hz */ | |
1985 | } | |
1986 | } | |
1987 | ||
1988 | return light_freq; | |
1989 | } | |
1990 | ||
1991 | static int ov5640_set_bandingfilter(struct ov5640_dev *sensor) | |
1992 | { | |
1993 | u32 band_step60, max_band60, band_step50, max_band50, prev_vts; | |
1994 | int ret; | |
1995 | ||
1996 | /* read preview PCLK */ | |
1997 | ret = ov5640_get_sysclk(sensor); | |
1998 | if (ret < 0) | |
1999 | return ret; | |
2000 | if (ret == 0) | |
2001 | return -EINVAL; | |
2002 | sensor->prev_sysclk = ret; | |
2003 | /* read preview HTS */ | |
2004 | ret = ov5640_get_hts(sensor); | |
2005 | if (ret < 0) | |
2006 | return ret; | |
2007 | if (ret == 0) | |
2008 | return -EINVAL; | |
2009 | sensor->prev_hts = ret; | |
2010 | ||
2011 | /* read preview VTS */ | |
2012 | ret = ov5640_get_vts(sensor); | |
2013 | if (ret < 0) | |
2014 | return ret; | |
2015 | prev_vts = ret; | |
2016 | ||
19a81c14 SL |
2017 | /* calculate banding filter */ |
2018 | /* 60Hz */ | |
2019 | band_step60 = sensor->prev_sysclk * 100 / sensor->prev_hts * 100 / 120; | |
2020 | ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B60_STEP, band_step60); | |
2021 | if (ret) | |
2022 | return ret; | |
2023 | if (!band_step60) | |
2024 | return -EINVAL; | |
2025 | max_band60 = (int)((prev_vts - 4) / band_step60); | |
2026 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0D, max_band60); | |
2027 | if (ret) | |
2028 | return ret; | |
2029 | ||
2030 | /* 50Hz */ | |
2031 | band_step50 = sensor->prev_sysclk * 100 / sensor->prev_hts; | |
2032 | ret = ov5640_write_reg16(sensor, OV5640_REG_AEC_B50_STEP, band_step50); | |
2033 | if (ret) | |
2034 | return ret; | |
2035 | if (!band_step50) | |
2036 | return -EINVAL; | |
2037 | max_band50 = (int)((prev_vts - 4) / band_step50); | |
2038 | return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0E, max_band50); | |
2039 | } | |
2040 | ||
2041 | static int ov5640_set_ae_target(struct ov5640_dev *sensor, int target) | |
2042 | { | |
2043 | /* stable in high */ | |
2044 | u32 fast_high, fast_low; | |
2045 | int ret; | |
2046 | ||
2047 | sensor->ae_low = target * 23 / 25; /* 0.92 */ | |
2048 | sensor->ae_high = target * 27 / 25; /* 1.08 */ | |
2049 | ||
2050 | fast_high = sensor->ae_high << 1; | |
2051 | if (fast_high > 255) | |
2052 | fast_high = 255; | |
2053 | ||
2054 | fast_low = sensor->ae_low >> 1; | |
2055 | ||
2056 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL0F, sensor->ae_high); | |
2057 | if (ret) | |
2058 | return ret; | |
2059 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL10, sensor->ae_low); | |
2060 | if (ret) | |
2061 | return ret; | |
2062 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1B, sensor->ae_high); | |
2063 | if (ret) | |
2064 | return ret; | |
2065 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1E, sensor->ae_low); | |
2066 | if (ret) | |
2067 | return ret; | |
2068 | ret = ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL11, fast_high); | |
2069 | if (ret) | |
2070 | return ret; | |
2071 | return ov5640_write_reg(sensor, OV5640_REG_AEC_CTRL1F, fast_low); | |
2072 | } | |
2073 | ||
c2c3f42d | 2074 | static int ov5640_get_binning(struct ov5640_dev *sensor) |
19a81c14 SL |
2075 | { |
2076 | u8 temp; | |
2077 | int ret; | |
2078 | ||
2079 | ret = ov5640_read_reg(sensor, OV5640_REG_TIMING_TC_REG21, &temp); | |
2080 | if (ret) | |
2081 | return ret; | |
c2c3f42d HF |
2082 | |
2083 | return temp & BIT(0); | |
19a81c14 SL |
2084 | } |
2085 | ||
ce85705a HF |
2086 | static int ov5640_set_binning(struct ov5640_dev *sensor, bool enable) |
2087 | { | |
2088 | int ret; | |
2089 | ||
2090 | /* | |
2091 | * TIMING TC REG21: | |
2092 | * - [0]: Horizontal binning enable | |
2093 | */ | |
2094 | ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, | |
2095 | BIT(0), enable ? BIT(0) : 0); | |
2096 | if (ret) | |
2097 | return ret; | |
2098 | /* | |
2099 | * TIMING TC REG20: | |
2100 | * - [0]: Undocumented, but hardcoded init sequences | |
2101 | * are always setting REG21/REG20 bit 0 to same value... | |
2102 | */ | |
2103 | return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, | |
2104 | BIT(0), enable ? BIT(0) : 0); | |
2105 | } | |
2106 | ||
19a81c14 SL |
2107 | static int ov5640_set_virtual_channel(struct ov5640_dev *sensor) |
2108 | { | |
8670d70a | 2109 | struct i2c_client *client = sensor->i2c_client; |
19a81c14 SL |
2110 | u8 temp, channel = virtual_channel; |
2111 | int ret; | |
2112 | ||
8670d70a HF |
2113 | if (channel > 3) { |
2114 | dev_err(&client->dev, | |
2115 | "%s: wrong virtual_channel parameter, expected (0..3), got %d\n", | |
2116 | __func__, channel); | |
19a81c14 | 2117 | return -EINVAL; |
8670d70a | 2118 | } |
19a81c14 SL |
2119 | |
2120 | ret = ov5640_read_reg(sensor, OV5640_REG_DEBUG_MODE, &temp); | |
2121 | if (ret) | |
2122 | return ret; | |
2123 | temp &= ~(3 << 6); | |
2124 | temp |= (channel << 6); | |
2125 | return ov5640_write_reg(sensor, OV5640_REG_DEBUG_MODE, temp); | |
2126 | } | |
2127 | ||
2128 | static const struct ov5640_mode_info * | |
b6ae5022 | 2129 | ov5640_find_mode(struct ov5640_dev *sensor, int width, int height, bool nearest) |
19a81c14 | 2130 | { |
3c4a7372 | 2131 | const struct ov5640_mode_info *mode; |
19a81c14 | 2132 | |
086c25f8 MR |
2133 | mode = v4l2_find_nearest_size(ov5640_mode_data, |
2134 | ARRAY_SIZE(ov5640_mode_data), | |
5113d5b3 | 2135 | width, height, width, height); |
19a81c14 | 2136 | |
3c4a7372 | 2137 | if (!mode || |
3145efcd | 2138 | (!nearest && |
5113d5b3 | 2139 | (mode->width != width || mode->height != height))) |
3c4a7372 | 2140 | return NULL; |
19a81c14 SL |
2141 | |
2142 | return mode; | |
2143 | } | |
2144 | ||
2145 | /* | |
2146 | * sensor changes between scaling and subsampling, go through | |
2147 | * exposure calculation | |
2148 | */ | |
41d8d7f5 HF |
2149 | static int ov5640_set_mode_exposure_calc(struct ov5640_dev *sensor, |
2150 | const struct ov5640_mode_info *mode) | |
19a81c14 SL |
2151 | { |
2152 | u32 prev_shutter, prev_gain16; | |
2153 | u32 cap_shutter, cap_gain16; | |
2154 | u32 cap_sysclk, cap_hts, cap_vts; | |
2155 | u32 light_freq, cap_bandfilt, cap_maxband; | |
2156 | u32 cap_gain16_shutter; | |
2157 | u8 average; | |
2158 | int ret; | |
2159 | ||
41d8d7f5 | 2160 | if (!mode->reg_data) |
19a81c14 SL |
2161 | return -EINVAL; |
2162 | ||
2163 | /* read preview shutter */ | |
2164 | ret = ov5640_get_exposure(sensor); | |
2165 | if (ret < 0) | |
2166 | return ret; | |
2167 | prev_shutter = ret; | |
c2c3f42d | 2168 | ret = ov5640_get_binning(sensor); |
19a81c14 SL |
2169 | if (ret < 0) |
2170 | return ret; | |
2171 | if (ret && mode->id != OV5640_MODE_720P_1280_720 && | |
2172 | mode->id != OV5640_MODE_1080P_1920_1080) | |
2173 | prev_shutter *= 2; | |
2174 | ||
2175 | /* read preview gain */ | |
2176 | ret = ov5640_get_gain(sensor); | |
2177 | if (ret < 0) | |
2178 | return ret; | |
2179 | prev_gain16 = ret; | |
2180 | ||
2181 | /* get average */ | |
2182 | ret = ov5640_read_reg(sensor, OV5640_REG_AVG_READOUT, &average); | |
2183 | if (ret) | |
2184 | return ret; | |
2185 | ||
2186 | /* turn off night mode for capture */ | |
2187 | ret = ov5640_set_night_mode(sensor); | |
2188 | if (ret < 0) | |
2189 | return ret; | |
2190 | ||
2191 | /* Write capture setting */ | |
e4359019 JM |
2192 | ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); |
2193 | ret = ov5640_set_timings(sensor, mode); | |
19a81c14 SL |
2194 | if (ret < 0) |
2195 | return ret; | |
2196 | ||
2197 | /* read capture VTS */ | |
2198 | ret = ov5640_get_vts(sensor); | |
2199 | if (ret < 0) | |
2200 | return ret; | |
2201 | cap_vts = ret; | |
2202 | ret = ov5640_get_hts(sensor); | |
2203 | if (ret < 0) | |
2204 | return ret; | |
2205 | if (ret == 0) | |
2206 | return -EINVAL; | |
2207 | cap_hts = ret; | |
2208 | ||
2209 | ret = ov5640_get_sysclk(sensor); | |
2210 | if (ret < 0) | |
2211 | return ret; | |
2212 | if (ret == 0) | |
2213 | return -EINVAL; | |
2214 | cap_sysclk = ret; | |
2215 | ||
2216 | /* calculate capture banding filter */ | |
2217 | ret = ov5640_get_light_freq(sensor); | |
2218 | if (ret < 0) | |
2219 | return ret; | |
2220 | light_freq = ret; | |
2221 | ||
2222 | if (light_freq == 60) { | |
2223 | /* 60Hz */ | |
2224 | cap_bandfilt = cap_sysclk * 100 / cap_hts * 100 / 120; | |
2225 | } else { | |
2226 | /* 50Hz */ | |
2227 | cap_bandfilt = cap_sysclk * 100 / cap_hts; | |
2228 | } | |
2229 | ||
2230 | if (!sensor->prev_sysclk) { | |
2231 | ret = ov5640_get_sysclk(sensor); | |
2232 | if (ret < 0) | |
2233 | return ret; | |
2234 | if (ret == 0) | |
2235 | return -EINVAL; | |
2236 | sensor->prev_sysclk = ret; | |
2237 | } | |
2238 | ||
2239 | if (!cap_bandfilt) | |
2240 | return -EINVAL; | |
2241 | ||
2242 | cap_maxband = (int)((cap_vts - 4) / cap_bandfilt); | |
2243 | ||
2244 | /* calculate capture shutter/gain16 */ | |
2245 | if (average > sensor->ae_low && average < sensor->ae_high) { | |
2246 | /* in stable range */ | |
2247 | cap_gain16_shutter = | |
2248 | prev_gain16 * prev_shutter * | |
2249 | cap_sysclk / sensor->prev_sysclk * | |
2250 | sensor->prev_hts / cap_hts * | |
2251 | sensor->ae_target / average; | |
2252 | } else { | |
2253 | cap_gain16_shutter = | |
2254 | prev_gain16 * prev_shutter * | |
2255 | cap_sysclk / sensor->prev_sysclk * | |
2256 | sensor->prev_hts / cap_hts; | |
2257 | } | |
2258 | ||
2259 | /* gain to shutter */ | |
2260 | if (cap_gain16_shutter < (cap_bandfilt * 16)) { | |
2261 | /* shutter < 1/100 */ | |
2262 | cap_shutter = cap_gain16_shutter / 16; | |
2263 | if (cap_shutter < 1) | |
2264 | cap_shutter = 1; | |
2265 | ||
2266 | cap_gain16 = cap_gain16_shutter / cap_shutter; | |
2267 | if (cap_gain16 < 16) | |
2268 | cap_gain16 = 16; | |
2269 | } else { | |
2270 | if (cap_gain16_shutter > (cap_bandfilt * cap_maxband * 16)) { | |
2271 | /* exposure reach max */ | |
2272 | cap_shutter = cap_bandfilt * cap_maxband; | |
2273 | if (!cap_shutter) | |
2274 | return -EINVAL; | |
2275 | ||
2276 | cap_gain16 = cap_gain16_shutter / cap_shutter; | |
2277 | } else { | |
2278 | /* 1/100 < (cap_shutter = n/100) =< max */ | |
2279 | cap_shutter = | |
2280 | ((int)(cap_gain16_shutter / 16 / cap_bandfilt)) | |
2281 | * cap_bandfilt; | |
2282 | if (!cap_shutter) | |
2283 | return -EINVAL; | |
2284 | ||
2285 | cap_gain16 = cap_gain16_shutter / cap_shutter; | |
2286 | } | |
2287 | } | |
2288 | ||
2289 | /* set capture gain */ | |
3cca8ef5 | 2290 | ret = ov5640_set_gain(sensor, cap_gain16); |
19a81c14 SL |
2291 | if (ret) |
2292 | return ret; | |
2293 | ||
2294 | /* write capture shutter */ | |
2295 | if (cap_shutter > (cap_vts - 4)) { | |
2296 | cap_vts = cap_shutter + 4; | |
2297 | ret = ov5640_set_vts(sensor, cap_vts); | |
2298 | if (ret < 0) | |
2299 | return ret; | |
2300 | } | |
2301 | ||
2302 | /* set exposure */ | |
3cca8ef5 | 2303 | return ov5640_set_exposure(sensor, cap_shutter); |
19a81c14 SL |
2304 | } |
2305 | ||
2306 | /* | |
2307 | * if sensor changes inside scaling or subsampling | |
2308 | * change mode directly | |
2309 | */ | |
2310 | static int ov5640_set_mode_direct(struct ov5640_dev *sensor, | |
3cca8ef5 | 2311 | const struct ov5640_mode_info *mode) |
19a81c14 | 2312 | { |
41d8d7f5 | 2313 | if (!mode->reg_data) |
19a81c14 SL |
2314 | return -EINVAL; |
2315 | ||
2316 | /* Write capture setting */ | |
e4359019 JM |
2317 | ov5640_load_regs(sensor, mode->reg_data, mode->reg_data_size); |
2318 | return ov5640_set_timings(sensor, mode); | |
19a81c14 SL |
2319 | } |
2320 | ||
985cdcb0 | 2321 | static int ov5640_set_mode(struct ov5640_dev *sensor) |
19a81c14 SL |
2322 | { |
2323 | const struct ov5640_mode_info *mode = sensor->current_mode; | |
985cdcb0 | 2324 | const struct ov5640_mode_info *orig_mode = sensor->last_mode; |
19a81c14 | 2325 | enum ov5640_downsize_mode dn_mode, orig_dn_mode; |
3cca8ef5 | 2326 | bool auto_gain = sensor->ctrls.auto_gain->val == 1; |
dc29a1c1 | 2327 | bool auto_exp = sensor->ctrls.auto_exp->val == V4L2_EXPOSURE_AUTO; |
19a81c14 SL |
2328 | int ret; |
2329 | ||
2330 | dn_mode = mode->dn_mode; | |
2331 | orig_dn_mode = orig_mode->dn_mode; | |
2332 | ||
2333 | /* auto gain and exposure must be turned off when changing modes */ | |
3cca8ef5 HF |
2334 | if (auto_gain) { |
2335 | ret = ov5640_set_autogain(sensor, false); | |
2336 | if (ret) | |
2337 | return ret; | |
2338 | } | |
bf4a4b51 | 2339 | |
3cca8ef5 HF |
2340 | if (auto_exp) { |
2341 | ret = ov5640_set_autoexposure(sensor, false); | |
2342 | if (ret) | |
2343 | goto restore_auto_gain; | |
2344 | } | |
19a81c14 | 2345 | |
6c957ed7 JM |
2346 | if (ov5640_is_csi2(sensor)) |
2347 | ret = ov5640_set_mipi_pclk(sensor); | |
2348 | else | |
2349 | ret = ov5640_set_dvp_pclk(sensor); | |
aa288248 MR |
2350 | if (ret < 0) |
2351 | return 0; | |
2352 | ||
19a81c14 SL |
2353 | if ((dn_mode == SUBSAMPLING && orig_dn_mode == SCALING) || |
2354 | (dn_mode == SCALING && orig_dn_mode == SUBSAMPLING)) { | |
2355 | /* | |
2356 | * change between subsampling and scaling | |
3cca8ef5 | 2357 | * go through exposure calculation |
19a81c14 SL |
2358 | */ |
2359 | ret = ov5640_set_mode_exposure_calc(sensor, mode); | |
2360 | } else { | |
2361 | /* | |
2362 | * change inside subsampling or scaling | |
2363 | * download firmware directly | |
2364 | */ | |
3cca8ef5 | 2365 | ret = ov5640_set_mode_direct(sensor, mode); |
19a81c14 | 2366 | } |
19a81c14 | 2367 | if (ret < 0) |
3cca8ef5 HF |
2368 | goto restore_auto_exp_gain; |
2369 | ||
2370 | /* restore auto gain and exposure */ | |
2371 | if (auto_gain) | |
2372 | ov5640_set_autogain(sensor, true); | |
2373 | if (auto_exp) | |
2374 | ov5640_set_autoexposure(sensor, true); | |
19a81c14 | 2375 | |
ce85705a HF |
2376 | ret = ov5640_set_binning(sensor, dn_mode != SCALING); |
2377 | if (ret < 0) | |
2378 | return ret; | |
19a81c14 SL |
2379 | ret = ov5640_set_ae_target(sensor, sensor->ae_target); |
2380 | if (ret < 0) | |
2381 | return ret; | |
2382 | ret = ov5640_get_light_freq(sensor); | |
2383 | if (ret < 0) | |
2384 | return ret; | |
2385 | ret = ov5640_set_bandingfilter(sensor); | |
2386 | if (ret < 0) | |
2387 | return ret; | |
2388 | ret = ov5640_set_virtual_channel(sensor); | |
2389 | if (ret < 0) | |
2390 | return ret; | |
2391 | ||
2392 | sensor->pending_mode_change = false; | |
985cdcb0 | 2393 | sensor->last_mode = mode; |
19a81c14 SL |
2394 | |
2395 | return 0; | |
3cca8ef5 HF |
2396 | |
2397 | restore_auto_exp_gain: | |
2398 | if (auto_exp) | |
2399 | ov5640_set_autoexposure(sensor, true); | |
2400 | restore_auto_gain: | |
2401 | if (auto_gain) | |
2402 | ov5640_set_autogain(sensor, true); | |
2403 | ||
2404 | return ret; | |
19a81c14 SL |
2405 | } |
2406 | ||
19ad26f9 AM |
2407 | static int ov5640_set_framefmt(struct ov5640_dev *sensor, |
2408 | struct v4l2_mbus_framefmt *format); | |
2409 | ||
19a81c14 SL |
2410 | /* restore the last set video mode after chip power-on */ |
2411 | static int ov5640_restore_mode(struct ov5640_dev *sensor) | |
2412 | { | |
2413 | int ret; | |
2414 | ||
2415 | /* first load the initial register values */ | |
e4359019 JM |
2416 | ov5640_load_regs(sensor, ov5640_init_setting, |
2417 | ARRAY_SIZE(ov5640_init_setting)); | |
19a81c14 | 2418 | |
8f57c2f8 | 2419 | ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_ROOT_DIVIDER, 0x3f, |
7851fe7a MR |
2420 | (ilog2(OV5640_SCLK2X_ROOT_DIV) << 2) | |
2421 | ilog2(OV5640_SCLK_ROOT_DIV)); | |
8f57c2f8 MR |
2422 | if (ret) |
2423 | return ret; | |
2424 | ||
19a81c14 | 2425 | /* now restore the last capture mode */ |
985cdcb0 | 2426 | ret = ov5640_set_mode(sensor); |
19ad26f9 AM |
2427 | if (ret < 0) |
2428 | return ret; | |
2429 | ||
2430 | return ov5640_set_framefmt(sensor, &sensor->fmt); | |
19a81c14 SL |
2431 | } |
2432 | ||
2433 | static void ov5640_power(struct ov5640_dev *sensor, bool enable) | |
2434 | { | |
1fddc5da | 2435 | gpiod_set_value_cansleep(sensor->pwdn_gpio, enable ? 0 : 1); |
19a81c14 SL |
2436 | } |
2437 | ||
d7ff6913 JL |
2438 | /* |
2439 | * From section 2.7 power up sequence: | |
2440 | * t0 + t1 + t2 >= 5ms Delay from DOVDD stable to PWDN pull down | |
2441 | * t3 >= 1ms Delay from PWDN pull down to RESETB pull up | |
2442 | * t4 >= 20ms Delay from RESETB pull up to SCCB (i2c) stable | |
2443 | * | |
2444 | * Some modules don't expose RESETB/PWDN pins directly, instead providing a | |
2445 | * "PWUP" GPIO which is wired through appropriate delays and inverters to the | |
2446 | * pins. | |
2447 | * | |
2448 | * In such cases, this gpio should be mapped to pwdn_gpio in the driver, and we | |
2449 | * should still toggle the pwdn_gpio below with the appropriate delays, while | |
2450 | * the calls to reset_gpio will be ignored. | |
2451 | */ | |
2452 | static void ov5640_powerup_sequence(struct ov5640_dev *sensor) | |
19a81c14 | 2453 | { |
decea0a9 JL |
2454 | if (sensor->pwdn_gpio) { |
2455 | gpiod_set_value_cansleep(sensor->reset_gpio, 0); | |
19a81c14 | 2456 | |
decea0a9 JL |
2457 | /* camera power cycle */ |
2458 | ov5640_power(sensor, false); | |
2459 | usleep_range(5000, 10000); | |
2460 | ov5640_power(sensor, true); | |
2461 | usleep_range(5000, 10000); | |
19a81c14 | 2462 | |
decea0a9 JL |
2463 | gpiod_set_value_cansleep(sensor->reset_gpio, 1); |
2464 | usleep_range(1000, 2000); | |
19a81c14 | 2465 | |
decea0a9 JL |
2466 | gpiod_set_value_cansleep(sensor->reset_gpio, 0); |
2467 | } else { | |
2468 | /* software reset */ | |
2469 | ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, | |
2470 | OV5640_REG_SYS_CTRL0_SW_RST); | |
2471 | } | |
1d4c41f3 | 2472 | usleep_range(20000, 25000); |
decea0a9 JL |
2473 | |
2474 | /* | |
2475 | * software standby: allows registers programming; | |
2476 | * exit at restore_mode() for CSI, s_stream(1) for DVP | |
2477 | */ | |
2478 | ov5640_write_reg(sensor, OV5640_REG_SYS_CTRL0, | |
2479 | OV5640_REG_SYS_CTRL0_SW_PWDN); | |
19a81c14 SL |
2480 | } |
2481 | ||
0f7acb52 | 2482 | static int ov5640_set_power_on(struct ov5640_dev *sensor) |
19a81c14 | 2483 | { |
0f7acb52 HF |
2484 | struct i2c_client *client = sensor->i2c_client; |
2485 | int ret; | |
19a81c14 | 2486 | |
0f7acb52 HF |
2487 | ret = clk_prepare_enable(sensor->xclk); |
2488 | if (ret) { | |
2489 | dev_err(&client->dev, "%s: failed to enable clock\n", | |
2490 | __func__); | |
2491 | return ret; | |
2492 | } | |
19a81c14 | 2493 | |
0f7acb52 HF |
2494 | ret = regulator_bulk_enable(OV5640_NUM_SUPPLIES, |
2495 | sensor->supplies); | |
2496 | if (ret) { | |
2497 | dev_err(&client->dev, "%s: failed to enable regulators\n", | |
2498 | __func__); | |
2499 | goto xclk_off; | |
2500 | } | |
2501 | ||
d7ff6913 | 2502 | ov5640_powerup_sequence(sensor); |
0f7acb52 HF |
2503 | |
2504 | ret = ov5640_init_slave_id(sensor); | |
2505 | if (ret) | |
2506 | goto power_off; | |
2507 | ||
2508 | return 0; | |
2509 | ||
2510 | power_off: | |
2511 | ov5640_power(sensor, false); | |
2512 | regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); | |
2513 | xclk_off: | |
2514 | clk_disable_unprepare(sensor->xclk); | |
2515 | return ret; | |
2516 | } | |
2517 | ||
2518 | static void ov5640_set_power_off(struct ov5640_dev *sensor) | |
2519 | { | |
2520 | ov5640_power(sensor, false); | |
2521 | regulator_bulk_disable(OV5640_NUM_SUPPLIES, sensor->supplies); | |
2522 | clk_disable_unprepare(sensor->xclk); | |
2523 | } | |
19a81c14 | 2524 | |
b1751ae6 LP |
2525 | static int ov5640_set_power_mipi(struct ov5640_dev *sensor, bool on) |
2526 | { | |
2527 | int ret; | |
2528 | ||
2529 | if (!on) { | |
2530 | /* Reset MIPI bus settings to their default values. */ | |
2531 | ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); | |
2532 | ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x04); | |
2533 | ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x00); | |
2534 | return 0; | |
2535 | } | |
2536 | ||
2537 | /* | |
2538 | * Power up MIPI HS Tx and LS Rx; 2 data lanes mode | |
2539 | * | |
2540 | * 0x300e = 0x40 | |
2541 | * [7:5] = 010 : 2 data lanes mode (see FIXME note in | |
2542 | * "ov5640_set_stream_mipi()") | |
2543 | * [4] = 0 : Power up MIPI HS Tx | |
2544 | * [3] = 0 : Power up MIPI LS Rx | |
2545 | * [2] = 0 : MIPI interface disabled | |
2546 | */ | |
2547 | ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x40); | |
2548 | if (ret) | |
2549 | return ret; | |
2550 | ||
2551 | /* | |
2552 | * Gate clock and set LP11 in 'no packets mode' (idle) | |
2553 | * | |
2554 | * 0x4800 = 0x24 | |
2555 | * [5] = 1 : Gate clock when 'no packets' | |
2556 | * [2] = 1 : MIPI bus in LP11 when 'no packets' | |
2557 | */ | |
2558 | ret = ov5640_write_reg(sensor, OV5640_REG_MIPI_CTRL00, 0x24); | |
2559 | if (ret) | |
2560 | return ret; | |
2561 | ||
2562 | /* | |
2563 | * Set data lanes and clock in LP11 when 'sleeping' | |
2564 | * | |
2565 | * 0x3019 = 0x70 | |
2566 | * [6] = 1 : MIPI data lane 2 in LP11 when 'sleeping' | |
2567 | * [5] = 1 : MIPI data lane 1 in LP11 when 'sleeping' | |
2568 | * [4] = 1 : MIPI clock lane in LP11 when 'sleeping' | |
2569 | */ | |
2570 | ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT00, 0x70); | |
2571 | if (ret) | |
2572 | return ret; | |
2573 | ||
2574 | /* Give lanes some time to coax into LP11 state. */ | |
2575 | usleep_range(500, 1000); | |
2576 | ||
2577 | return 0; | |
2578 | } | |
2579 | ||
576f5d4b LP |
2580 | static int ov5640_set_power_dvp(struct ov5640_dev *sensor, bool on) |
2581 | { | |
311a6408 | 2582 | unsigned int flags = sensor->ep.bus.parallel.flags; |
68579b32 HF |
2583 | bool bt656 = sensor->ep.bus_type == V4L2_MBUS_BT656; |
2584 | u8 polarities = 0; | |
576f5d4b LP |
2585 | int ret; |
2586 | ||
2587 | if (!on) { | |
2588 | /* Reset settings to their default values. */ | |
68579b32 | 2589 | ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, 0x00); |
311a6408 LP |
2590 | ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x58); |
2591 | ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, 0x20); | |
576f5d4b LP |
2592 | ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, 0x00); |
2593 | ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0x00); | |
2594 | return 0; | |
2595 | } | |
2596 | ||
311a6408 LP |
2597 | /* |
2598 | * Note about parallel port configuration. | |
2599 | * | |
2600 | * When configured in parallel mode, the OV5640 will | |
2601 | * output 10 bits data on DVP data lines [9:0]. | |
2602 | * If only 8 bits data are wanted, the 8 bits data lines | |
2603 | * of the camera interface must be physically connected | |
2604 | * on the DVP data lines [9:2]. | |
2605 | * | |
2606 | * Control lines polarity can be configured through | |
2607 | * devicetree endpoint control lines properties. | |
2608 | * If no endpoint control lines properties are set, | |
2609 | * polarity will be as below: | |
2610 | * - VSYNC: active high | |
2611 | * - HREF: active low | |
2612 | * - PCLK: active low | |
68579b32 HF |
2613 | * |
2614 | * VSYNC & HREF are not configured if BT656 bus mode is selected | |
311a6408 | 2615 | */ |
68579b32 HF |
2616 | |
2617 | /* | |
2618 | * BT656 embedded synchronization configuration | |
2619 | * | |
2620 | * CCIR656 CTRL00 | |
2621 | * - [7]: SYNC code selection (0: auto generate sync code, | |
2622 | * 1: sync code from regs 0x4732-0x4735) | |
2623 | * - [6]: f value in CCIR656 SYNC code when fixed f value | |
2624 | * - [5]: Fixed f value | |
2625 | * - [4:3]: Blank toggle data options (00: data=1'h040/1'h200, | |
2626 | * 01: data from regs 0x4736-0x4738, 10: always keep 0) | |
2627 | * - [1]: Clip data disable | |
2628 | * - [0]: CCIR656 mode enable | |
2629 | * | |
2630 | * Default CCIR656 SAV/EAV mode with default codes | |
2631 | * SAV=0xff000080 & EAV=0xff00009d is enabled here with settings: | |
2632 | * - CCIR656 mode enable | |
2633 | * - auto generation of sync codes | |
2634 | * - blank toggle data 1'h040/1'h200 | |
2635 | * - clip reserved data (0x00 & 0xff changed to 0x01 & 0xfe) | |
2636 | */ | |
2637 | ret = ov5640_write_reg(sensor, OV5640_REG_CCIR656_CTRL00, | |
2638 | bt656 ? 0x01 : 0x00); | |
2639 | if (ret) | |
2640 | return ret; | |
2641 | ||
311a6408 LP |
2642 | /* |
2643 | * configure parallel port control lines polarity | |
2644 | * | |
2645 | * POLARITY CTRL0 | |
2646 | * - [5]: PCLK polarity (0: active low, 1: active high) | |
2647 | * - [1]: HREF polarity (0: active low, 1: active high) | |
2648 | * - [0]: VSYNC polarity (mismatch here between | |
2649 | * datasheet and hardware, 0 is active high | |
2650 | * and 1 is active low...) | |
2651 | */ | |
68579b32 | 2652 | if (!bt656) { |
4039b037 | 2653 | if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) |
68579b32 | 2654 | polarities |= BIT(1); |
4039b037 | 2655 | if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW) |
68579b32 | 2656 | polarities |= BIT(0); |
4039b037 | 2657 | } |
68579b32 HF |
2658 | if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) |
2659 | polarities |= BIT(5); | |
2660 | ||
2661 | ret = ov5640_write_reg(sensor, OV5640_REG_POLARITY_CTRL00, polarities); | |
2662 | if (ret) | |
2663 | return ret; | |
311a6408 LP |
2664 | |
2665 | /* | |
68579b32 | 2666 | * powerdown MIPI TX/RX PHY & enable DVP |
311a6408 LP |
2667 | * |
2668 | * MIPI CONTROL 00 | |
68579b32 HF |
2669 | * [4] = 1 : Power down MIPI HS Tx |
2670 | * [3] = 1 : Power down MIPI LS Rx | |
2671 | * [2] = 0 : DVP enable (MIPI disable) | |
311a6408 LP |
2672 | */ |
2673 | ret = ov5640_write_reg(sensor, OV5640_REG_IO_MIPI_CTRL00, 0x18); | |
2674 | if (ret) | |
2675 | return ret; | |
2676 | ||
576f5d4b LP |
2677 | /* |
2678 | * enable VSYNC/HREF/PCLK DVP control lines | |
2679 | * & D[9:6] DVP data lines | |
2680 | * | |
2681 | * PAD OUTPUT ENABLE 01 | |
2682 | * - 6: VSYNC output enable | |
2683 | * - 5: HREF output enable | |
2684 | * - 4: PCLK output enable | |
2685 | * - [3:0]: D[9:6] output enable | |
2686 | */ | |
4039b037 | 2687 | ret = ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE01, |
68579b32 | 2688 | bt656 ? 0x1f : 0x7f); |
576f5d4b LP |
2689 | if (ret) |
2690 | return ret; | |
2691 | ||
2692 | /* | |
2693 | * enable D[5:0] DVP data lines | |
2694 | * | |
2695 | * PAD OUTPUT ENABLE 02 | |
2696 | * - [7:2]: D[5:0] output enable | |
2697 | */ | |
2698 | return ov5640_write_reg(sensor, OV5640_REG_PAD_OUTPUT_ENABLE02, 0xfc); | |
2699 | } | |
2700 | ||
0f7acb52 HF |
2701 | static int ov5640_set_power(struct ov5640_dev *sensor, bool on) |
2702 | { | |
2703 | int ret = 0; | |
19a81c14 | 2704 | |
0f7acb52 HF |
2705 | if (on) { |
2706 | ret = ov5640_set_power_on(sensor); | |
19a81c14 | 2707 | if (ret) |
0f7acb52 | 2708 | return ret; |
19a81c14 SL |
2709 | |
2710 | ret = ov5640_restore_mode(sensor); | |
2711 | if (ret) | |
2712 | goto power_off; | |
b1751ae6 | 2713 | } |
19a81c14 | 2714 | |
576f5d4b | 2715 | if (sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY) |
b1751ae6 | 2716 | ret = ov5640_set_power_mipi(sensor, on); |
576f5d4b LP |
2717 | else |
2718 | ret = ov5640_set_power_dvp(sensor, on); | |
2719 | if (ret) | |
2720 | goto power_off; | |
aa4bb8b8 | 2721 | |
b1751ae6 | 2722 | if (!on) |
aa4bb8b8 | 2723 | ov5640_set_power_off(sensor); |
19a81c14 | 2724 | |
aa4bb8b8 JM |
2725 | return 0; |
2726 | ||
19a81c14 | 2727 | power_off: |
0f7acb52 | 2728 | ov5640_set_power_off(sensor); |
19a81c14 SL |
2729 | return ret; |
2730 | } | |
2731 | ||
85644a9b | 2732 | static int ov5640_sensor_suspend(struct device *dev) |
19a81c14 | 2733 | { |
85644a9b PE |
2734 | struct v4l2_subdev *sd = dev_get_drvdata(dev); |
2735 | struct ov5640_dev *ov5640 = to_ov5640_dev(sd); | |
19a81c14 | 2736 | |
85644a9b PE |
2737 | return ov5640_set_power(ov5640, false); |
2738 | } | |
19a81c14 | 2739 | |
85644a9b PE |
2740 | static int ov5640_sensor_resume(struct device *dev) |
2741 | { | |
2742 | struct v4l2_subdev *sd = dev_get_drvdata(dev); | |
2743 | struct ov5640_dev *ov5640 = to_ov5640_dev(sd); | |
19a81c14 | 2744 | |
85644a9b | 2745 | return ov5640_set_power(ov5640, true); |
19a81c14 SL |
2746 | } |
2747 | ||
85644a9b PE |
2748 | /* --------------- Subdev Operations --------------- */ |
2749 | ||
19a81c14 SL |
2750 | static int ov5640_try_frame_interval(struct ov5640_dev *sensor, |
2751 | struct v4l2_fract *fi, | |
f33b56d3 | 2752 | const struct ov5640_mode_info *mode_info) |
19a81c14 | 2753 | { |
f33b56d3 | 2754 | const struct ov5640_mode_info *mode = mode_info; |
6530a5eb | 2755 | enum ov5640_frame_rate rate = OV5640_15_FPS; |
f6cc192f MR |
2756 | int minfps, maxfps, best_fps, fps; |
2757 | int i; | |
19a81c14 SL |
2758 | |
2759 | minfps = ov5640_framerates[OV5640_15_FPS]; | |
f33b56d3 | 2760 | maxfps = ov5640_framerates[mode->max_fps]; |
19a81c14 SL |
2761 | |
2762 | if (fi->numerator == 0) { | |
2763 | fi->denominator = maxfps; | |
2764 | fi->numerator = 1; | |
f33b56d3 | 2765 | rate = mode->max_fps; |
e823fb16 | 2766 | goto find_mode; |
19a81c14 SL |
2767 | } |
2768 | ||
f6cc192f MR |
2769 | fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), |
2770 | minfps, maxfps); | |
19a81c14 | 2771 | |
f6cc192f MR |
2772 | best_fps = minfps; |
2773 | for (i = 0; i < ARRAY_SIZE(ov5640_framerates); i++) { | |
2774 | int curr_fps = ov5640_framerates[i]; | |
19a81c14 | 2775 | |
f6cc192f MR |
2776 | if (abs(curr_fps - fps) < abs(best_fps - fps)) { |
2777 | best_fps = curr_fps; | |
2778 | rate = i; | |
2779 | } | |
2780 | } | |
2781 | ||
2782 | fi->numerator = 1; | |
2783 | fi->denominator = best_fps; | |
19a81c14 | 2784 | |
e823fb16 | 2785 | find_mode: |
f33b56d3 | 2786 | mode = ov5640_find_mode(sensor, mode->width, mode->height, false); |
5a3ad937 | 2787 | return mode ? rate : -EINVAL; |
19a81c14 SL |
2788 | } |
2789 | ||
2790 | static int ov5640_get_fmt(struct v4l2_subdev *sd, | |
0d346d2a | 2791 | struct v4l2_subdev_state *sd_state, |
19a81c14 SL |
2792 | struct v4l2_subdev_format *format) |
2793 | { | |
2794 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
2795 | struct v4l2_mbus_framefmt *fmt; | |
2796 | ||
2797 | if (format->pad != 0) | |
2798 | return -EINVAL; | |
2799 | ||
2800 | mutex_lock(&sensor->lock); | |
2801 | ||
2802 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) | |
0d346d2a | 2803 | fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, |
19a81c14 SL |
2804 | format->pad); |
2805 | else | |
2806 | fmt = &sensor->fmt; | |
2807 | ||
2808 | format->format = *fmt; | |
2809 | ||
2810 | mutex_unlock(&sensor->lock); | |
2811 | ||
2812 | return 0; | |
2813 | } | |
2814 | ||
2815 | static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, | |
2816 | struct v4l2_mbus_framefmt *fmt, | |
19a81c14 SL |
2817 | const struct ov5640_mode_info **new_mode) |
2818 | { | |
2819 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
2820 | const struct ov5640_mode_info *mode; | |
a89f14bb JM |
2821 | const struct ov5640_pixfmt *pixfmt; |
2822 | unsigned int bpp; | |
19a81c14 | 2823 | |
b6ae5022 | 2824 | mode = ov5640_find_mode(sensor, fmt->width, fmt->height, true); |
19a81c14 SL |
2825 | if (!mode) |
2826 | return -EINVAL; | |
dd81b8ff | 2827 | |
a89f14bb JM |
2828 | pixfmt = ov5640_code_to_pixfmt(sensor, fmt->code); |
2829 | bpp = pixfmt->bpp; | |
2830 | ||
dd81b8ff JM |
2831 | /* |
2832 | * Adjust mode according to bpp: | |
2833 | * - 8bpp modes work for resolution >= 1280x720 | |
2834 | * - 24bpp modes work resolution < 1280x720 | |
2835 | */ | |
2836 | if (bpp == 8 && mode->width < 1280) | |
2837 | mode = &ov5640_mode_data[OV5640_MODE_720P_1280_720]; | |
2838 | else if (bpp == 24 && mode->width > 1024) | |
2839 | mode = &ov5640_mode_data[OV5640_MODE_XGA_1024_768]; | |
2840 | ||
5113d5b3 JM |
2841 | fmt->width = mode->width; |
2842 | fmt->height = mode->height; | |
19a81c14 SL |
2843 | |
2844 | if (new_mode) | |
2845 | *new_mode = mode; | |
e3ee691d | 2846 | |
a89f14bb JM |
2847 | fmt->code = pixfmt->code; |
2848 | fmt->colorspace = pixfmt->colorspace; | |
e6441fde HF |
2849 | fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); |
2850 | fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; | |
2851 | fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); | |
e3ee691d | 2852 | |
19a81c14 SL |
2853 | return 0; |
2854 | } | |
2855 | ||
3c28588f JM |
2856 | static int ov5640_update_pixel_rate(struct ov5640_dev *sensor) |
2857 | { | |
2858 | const struct ov5640_mode_info *mode = sensor->current_mode; | |
2859 | enum ov5640_pixel_rate_id pixel_rate_id = mode->pixel_rate; | |
2860 | struct v4l2_mbus_framefmt *fmt = &sensor->fmt; | |
32979f67 | 2861 | const struct ov5640_timings *timings; |
bce93b82 | 2862 | s32 exposure_val, exposure_max; |
32979f67 | 2863 | unsigned int hblank; |
3c28588f JM |
2864 | unsigned int i = 0; |
2865 | u32 pixel_rate; | |
2866 | s64 link_freq; | |
2867 | u32 num_lanes; | |
19f2e3e6 | 2868 | u32 vblank; |
3c28588f JM |
2869 | u32 bpp; |
2870 | ||
2871 | /* | |
2872 | * Update the pixel rate control value. | |
2873 | * | |
2874 | * For DVP mode, maintain the pixel rate calculation using fixed FPS. | |
2875 | */ | |
2876 | if (!ov5640_is_csi2(sensor)) { | |
2877 | __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, | |
2878 | ov5640_calc_pixel_rate(sensor)); | |
2879 | ||
2880 | return 0; | |
2881 | } | |
2882 | ||
2883 | /* | |
2884 | * The MIPI CSI-2 link frequency should comply with the CSI-2 | |
2885 | * specification and be lower than 1GHz. | |
2886 | * | |
2887 | * Start from the suggested pixel_rate for the current mode and | |
2888 | * progressively slow it down if it exceeds 1GHz. | |
2889 | */ | |
2890 | num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; | |
a89f14bb | 2891 | bpp = ov5640_code_to_bpp(sensor, fmt->code); |
3c28588f JM |
2892 | do { |
2893 | pixel_rate = ov5640_pixel_rates[pixel_rate_id]; | |
2894 | link_freq = pixel_rate * bpp / (2 * num_lanes); | |
2895 | } while (link_freq >= 1000000000U && | |
2896 | ++pixel_rate_id < OV5640_NUM_PIXEL_RATES); | |
2897 | ||
2898 | sensor->current_link_freq = link_freq; | |
2899 | ||
2900 | /* | |
2901 | * Higher link rates require the clock tree to be programmed with | |
2902 | * 'mipi_div' = 1; this has the effect of halving the actual output | |
2903 | * pixel rate in the MIPI domain. | |
2904 | * | |
2905 | * Adjust the pixel rate and link frequency control value to report it | |
2906 | * correctly to userspace. | |
2907 | */ | |
2908 | if (link_freq > OV5640_LINK_RATE_MAX) { | |
2909 | pixel_rate /= 2; | |
2910 | link_freq /= 2; | |
2911 | } | |
2912 | ||
2913 | for (i = 0; i < ARRAY_SIZE(ov5640_csi2_link_freqs); ++i) { | |
2914 | if (ov5640_csi2_link_freqs[i] == link_freq) | |
2915 | break; | |
2916 | } | |
2917 | WARN_ON(i == ARRAY_SIZE(ov5640_csi2_link_freqs)); | |
2918 | ||
2919 | __v4l2_ctrl_s_ctrl_int64(sensor->ctrls.pixel_rate, pixel_rate); | |
2920 | __v4l2_ctrl_s_ctrl(sensor->ctrls.link_freq, i); | |
2921 | ||
32979f67 JM |
2922 | timings = ov5640_timings(sensor, mode); |
2923 | hblank = timings->htot - mode->width; | |
2924 | __v4l2_ctrl_modify_range(sensor->ctrls.hblank, | |
2925 | hblank, hblank, 1, hblank); | |
2926 | ||
19f2e3e6 | 2927 | vblank = timings->vblank_def; |
bce93b82 | 2928 | __v4l2_ctrl_modify_range(sensor->ctrls.vblank, OV5640_MIN_VBLANK, |
19f2e3e6 HF |
2929 | OV5640_MAX_VTS - mode->height, 1, vblank); |
2930 | __v4l2_ctrl_s_ctrl(sensor->ctrls.vblank, vblank); | |
bce93b82 | 2931 | |
19f2e3e6 | 2932 | exposure_max = timings->crop.height + vblank - 4; |
bce93b82 JM |
2933 | exposure_val = clamp_t(s32, sensor->ctrls.exposure->val, |
2934 | sensor->ctrls.exposure->minimum, | |
2935 | exposure_max); | |
19f2e3e6 | 2936 | |
bce93b82 JM |
2937 | __v4l2_ctrl_modify_range(sensor->ctrls.exposure, |
2938 | sensor->ctrls.exposure->minimum, | |
2939 | exposure_max, 1, exposure_val); | |
2940 | ||
3c28588f JM |
2941 | return 0; |
2942 | } | |
2943 | ||
19a81c14 | 2944 | static int ov5640_set_fmt(struct v4l2_subdev *sd, |
0d346d2a | 2945 | struct v4l2_subdev_state *sd_state, |
19a81c14 SL |
2946 | struct v4l2_subdev_format *format) |
2947 | { | |
2948 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
2949 | const struct ov5640_mode_info *new_mode; | |
e6441fde | 2950 | struct v4l2_mbus_framefmt *mbus_fmt = &format->format; |
19a81c14 SL |
2951 | int ret; |
2952 | ||
2953 | if (format->pad != 0) | |
2954 | return -EINVAL; | |
2955 | ||
2956 | mutex_lock(&sensor->lock); | |
2957 | ||
2958 | if (sensor->streaming) { | |
2959 | ret = -EBUSY; | |
2960 | goto out; | |
2961 | } | |
2962 | ||
25affde3 | 2963 | ret = ov5640_try_fmt_internal(sd, mbus_fmt, &new_mode); |
19a81c14 SL |
2964 | if (ret) |
2965 | goto out; | |
2966 | ||
e738f5dd MR |
2967 | if (format->which == V4L2_SUBDEV_FORMAT_TRY) { |
2968 | *v4l2_subdev_get_try_format(sd, sd_state, 0) = *mbus_fmt; | |
2969 | goto out; | |
2970 | } | |
19a81c14 | 2971 | |
6949d864 | 2972 | if (new_mode != sensor->current_mode) { |
19f2e3e6 | 2973 | sensor->current_fr = new_mode->def_fps; |
6949d864 | 2974 | sensor->current_mode = new_mode; |
6949d864 HF |
2975 | sensor->pending_mode_change = true; |
2976 | } | |
07115449 | 2977 | if (mbus_fmt->code != sensor->fmt.code) |
fb98e29f | 2978 | sensor->pending_fmt_change = true; |
07115449 | 2979 | |
e738f5dd MR |
2980 | /* update format even if code is unchanged, resolution might change */ |
2981 | sensor->fmt = *mbus_fmt; | |
2982 | ||
3c28588f JM |
2983 | ov5640_update_pixel_rate(sensor); |
2984 | ||
19a81c14 SL |
2985 | out: |
2986 | mutex_unlock(&sensor->lock); | |
2987 | return ret; | |
2988 | } | |
2989 | ||
66ed85eb JM |
2990 | static int ov5640_get_selection(struct v4l2_subdev *sd, |
2991 | struct v4l2_subdev_state *sd_state, | |
2992 | struct v4l2_subdev_selection *sel) | |
2993 | { | |
2994 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
2995 | const struct ov5640_mode_info *mode = sensor->current_mode; | |
2996 | const struct ov5640_timings *timings; | |
2997 | ||
2998 | switch (sel->target) { | |
2999 | case V4L2_SEL_TGT_CROP: { | |
3000 | mutex_lock(&sensor->lock); | |
3001 | timings = ov5640_timings(sensor, mode); | |
3002 | sel->r = timings->analog_crop; | |
3003 | mutex_unlock(&sensor->lock); | |
3004 | ||
3005 | return 0; | |
3006 | } | |
3007 | ||
3008 | case V4L2_SEL_TGT_NATIVE_SIZE: | |
3009 | case V4L2_SEL_TGT_CROP_BOUNDS: | |
3010 | sel->r.top = 0; | |
3011 | sel->r.left = 0; | |
3012 | sel->r.width = OV5640_NATIVE_WIDTH; | |
3013 | sel->r.height = OV5640_NATIVE_HEIGHT; | |
3014 | ||
3015 | return 0; | |
3016 | ||
3017 | case V4L2_SEL_TGT_CROP_DEFAULT: | |
3018 | sel->r.top = OV5640_PIXEL_ARRAY_TOP; | |
3019 | sel->r.left = OV5640_PIXEL_ARRAY_LEFT; | |
3020 | sel->r.width = OV5640_PIXEL_ARRAY_WIDTH; | |
3021 | sel->r.height = OV5640_PIXEL_ARRAY_HEIGHT; | |
3022 | ||
3023 | return 0; | |
3024 | } | |
3025 | ||
3026 | return -EINVAL; | |
3027 | } | |
3028 | ||
e3ee691d HF |
3029 | static int ov5640_set_framefmt(struct ov5640_dev *sensor, |
3030 | struct v4l2_mbus_framefmt *format) | |
3031 | { | |
935fbc94 JM |
3032 | bool is_jpeg = format->code == MEDIA_BUS_FMT_JPEG_1X8; |
3033 | const struct ov5640_pixfmt *pixfmt; | |
e3ee691d | 3034 | int ret = 0; |
e3ee691d | 3035 | |
935fbc94 | 3036 | pixfmt = ov5640_code_to_pixfmt(sensor, format->code); |
e3ee691d HF |
3037 | |
3038 | /* FORMAT CONTROL00: YUV and RGB formatting */ | |
935fbc94 JM |
3039 | ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, |
3040 | pixfmt->ctrl00); | |
e3ee691d HF |
3041 | if (ret) |
3042 | return ret; | |
3043 | ||
3044 | /* FORMAT MUX CONTROL: ISP YUV or RGB */ | |
935fbc94 JM |
3045 | ret = ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, |
3046 | pixfmt->mux); | |
d47c4126 HF |
3047 | if (ret) |
3048 | return ret; | |
3049 | ||
3050 | /* | |
3051 | * TIMING TC REG21: | |
3052 | * - [5]: JPEG enable | |
3053 | */ | |
3054 | ret = ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, | |
3055 | BIT(5), is_jpeg ? BIT(5) : 0); | |
3056 | if (ret) | |
3057 | return ret; | |
3058 | ||
3059 | /* | |
3060 | * SYSTEM RESET02: | |
3061 | * - [4]: Reset JFIFO | |
3062 | * - [3]: Reset SFIFO | |
3063 | * - [2]: Reset JPEG | |
3064 | */ | |
3065 | ret = ov5640_mod_reg(sensor, OV5640_REG_SYS_RESET02, | |
3066 | BIT(4) | BIT(3) | BIT(2), | |
3067 | is_jpeg ? 0 : (BIT(4) | BIT(3) | BIT(2))); | |
3068 | if (ret) | |
3069 | return ret; | |
3070 | ||
3071 | /* | |
3072 | * CLOCK ENABLE02: | |
3073 | * - [5]: Enable JPEG 2x clock | |
3074 | * - [3]: Enable JPEG clock | |
3075 | */ | |
3076 | return ov5640_mod_reg(sensor, OV5640_REG_SYS_CLOCK_ENABLE02, | |
3077 | BIT(5) | BIT(3), | |
3078 | is_jpeg ? (BIT(5) | BIT(3)) : 0); | |
e3ee691d | 3079 | } |
19a81c14 SL |
3080 | |
3081 | /* | |
3082 | * Sensor Controls. | |
3083 | */ | |
3084 | ||
3085 | static int ov5640_set_ctrl_hue(struct ov5640_dev *sensor, int value) | |
3086 | { | |
3087 | int ret; | |
3088 | ||
3089 | if (value) { | |
3090 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, | |
3091 | BIT(0), BIT(0)); | |
3092 | if (ret) | |
3093 | return ret; | |
3094 | ret = ov5640_write_reg16(sensor, OV5640_REG_SDE_CTRL1, value); | |
3095 | } else { | |
3096 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(0), 0); | |
3097 | } | |
3098 | ||
3099 | return ret; | |
3100 | } | |
3101 | ||
3102 | static int ov5640_set_ctrl_contrast(struct ov5640_dev *sensor, int value) | |
3103 | { | |
3104 | int ret; | |
3105 | ||
3106 | if (value) { | |
3107 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, | |
3108 | BIT(2), BIT(2)); | |
3109 | if (ret) | |
3110 | return ret; | |
3111 | ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL5, | |
3112 | value & 0xff); | |
3113 | } else { | |
3114 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(2), 0); | |
3115 | } | |
3116 | ||
3117 | return ret; | |
3118 | } | |
3119 | ||
3120 | static int ov5640_set_ctrl_saturation(struct ov5640_dev *sensor, int value) | |
3121 | { | |
3122 | int ret; | |
3123 | ||
3124 | if (value) { | |
3125 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, | |
3126 | BIT(1), BIT(1)); | |
3127 | if (ret) | |
3128 | return ret; | |
3129 | ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL3, | |
3130 | value & 0xff); | |
3131 | if (ret) | |
3132 | return ret; | |
3133 | ret = ov5640_write_reg(sensor, OV5640_REG_SDE_CTRL4, | |
3134 | value & 0xff); | |
3135 | } else { | |
3136 | ret = ov5640_mod_reg(sensor, OV5640_REG_SDE_CTRL0, BIT(1), 0); | |
3137 | } | |
3138 | ||
3139 | return ret; | |
3140 | } | |
3141 | ||
3142 | static int ov5640_set_ctrl_white_balance(struct ov5640_dev *sensor, int awb) | |
3143 | { | |
3144 | int ret; | |
3145 | ||
3146 | ret = ov5640_mod_reg(sensor, OV5640_REG_AWB_MANUAL_CTRL, | |
3147 | BIT(0), awb ? 0 : 1); | |
3148 | if (ret) | |
3149 | return ret; | |
3150 | ||
3151 | if (!awb) { | |
3152 | u16 red = (u16)sensor->ctrls.red_balance->val; | |
3153 | u16 blue = (u16)sensor->ctrls.blue_balance->val; | |
3154 | ||
3155 | ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_R_GAIN, red); | |
3156 | if (ret) | |
3157 | return ret; | |
3158 | ret = ov5640_write_reg16(sensor, OV5640_REG_AWB_B_GAIN, blue); | |
3159 | } | |
3160 | ||
3161 | return ret; | |
3162 | } | |
3163 | ||
3cca8ef5 HF |
3164 | static int ov5640_set_ctrl_exposure(struct ov5640_dev *sensor, |
3165 | enum v4l2_exposure_auto_type auto_exposure) | |
19a81c14 SL |
3166 | { |
3167 | struct ov5640_ctrls *ctrls = &sensor->ctrls; | |
3cca8ef5 | 3168 | bool auto_exp = (auto_exposure == V4L2_EXPOSURE_AUTO); |
19a81c14 SL |
3169 | int ret = 0; |
3170 | ||
3171 | if (ctrls->auto_exp->is_new) { | |
3cca8ef5 | 3172 | ret = ov5640_set_autoexposure(sensor, auto_exp); |
19a81c14 SL |
3173 | if (ret) |
3174 | return ret; | |
3175 | } | |
3176 | ||
3cca8ef5 | 3177 | if (!auto_exp && ctrls->exposure->is_new) { |
19a81c14 SL |
3178 | u16 max_exp; |
3179 | ||
3180 | ret = ov5640_read_reg16(sensor, OV5640_REG_AEC_PK_VTS, | |
3181 | &max_exp); | |
3182 | if (ret) | |
3183 | return ret; | |
3184 | ret = ov5640_get_vts(sensor); | |
3185 | if (ret < 0) | |
3186 | return ret; | |
3187 | max_exp += ret; | |
6146fde3 | 3188 | ret = 0; |
19a81c14 SL |
3189 | |
3190 | if (ctrls->exposure->val < max_exp) | |
3191 | ret = ov5640_set_exposure(sensor, ctrls->exposure->val); | |
3192 | } | |
3193 | ||
3194 | return ret; | |
3195 | } | |
3196 | ||
3cca8ef5 | 3197 | static int ov5640_set_ctrl_gain(struct ov5640_dev *sensor, bool auto_gain) |
19a81c14 SL |
3198 | { |
3199 | struct ov5640_ctrls *ctrls = &sensor->ctrls; | |
3200 | int ret = 0; | |
3201 | ||
3202 | if (ctrls->auto_gain->is_new) { | |
3cca8ef5 | 3203 | ret = ov5640_set_autogain(sensor, auto_gain); |
19a81c14 SL |
3204 | if (ret) |
3205 | return ret; | |
3206 | } | |
3207 | ||
3cca8ef5 HF |
3208 | if (!auto_gain && ctrls->gain->is_new) |
3209 | ret = ov5640_set_gain(sensor, ctrls->gain->val); | |
19a81c14 SL |
3210 | |
3211 | return ret; | |
3212 | } | |
3213 | ||
9f6d7bac CYT |
3214 | static const char * const test_pattern_menu[] = { |
3215 | "Disabled", | |
3216 | "Color bars", | |
bddc5cdf CYT |
3217 | "Color bars w/ rolling bar", |
3218 | "Color squares", | |
3219 | "Color squares w/ rolling bar", | |
9f6d7bac CYT |
3220 | }; |
3221 | ||
a0c29afb CYT |
3222 | #define OV5640_TEST_ENABLE BIT(7) |
3223 | #define OV5640_TEST_ROLLING BIT(6) /* rolling horizontal bar */ | |
3224 | #define OV5640_TEST_TRANSPARENT BIT(5) | |
3225 | #define OV5640_TEST_SQUARE_BW BIT(4) /* black & white squares */ | |
3226 | #define OV5640_TEST_BAR_STANDARD (0 << 2) | |
3227 | #define OV5640_TEST_BAR_VERT_CHANGE_1 (1 << 2) | |
3228 | #define OV5640_TEST_BAR_HOR_CHANGE (2 << 2) | |
3229 | #define OV5640_TEST_BAR_VERT_CHANGE_2 (3 << 2) | |
3230 | #define OV5640_TEST_BAR (0 << 0) | |
3231 | #define OV5640_TEST_RANDOM (1 << 0) | |
3232 | #define OV5640_TEST_SQUARE (2 << 0) | |
3233 | #define OV5640_TEST_BLACK (3 << 0) | |
3234 | ||
3235 | static const u8 test_pattern_val[] = { | |
3236 | 0, | |
2aff1fc3 | 3237 | OV5640_TEST_ENABLE | OV5640_TEST_BAR_VERT_CHANGE_1 | |
a0c29afb | 3238 | OV5640_TEST_BAR, |
bddc5cdf CYT |
3239 | OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | |
3240 | OV5640_TEST_BAR_VERT_CHANGE_1 | OV5640_TEST_BAR, | |
3241 | OV5640_TEST_ENABLE | OV5640_TEST_SQUARE, | |
3242 | OV5640_TEST_ENABLE | OV5640_TEST_ROLLING | OV5640_TEST_SQUARE, | |
a0c29afb CYT |
3243 | }; |
3244 | ||
19a81c14 SL |
3245 | static int ov5640_set_ctrl_test_pattern(struct ov5640_dev *sensor, int value) |
3246 | { | |
a0c29afb CYT |
3247 | return ov5640_write_reg(sensor, OV5640_REG_PRE_ISP_TEST_SET1, |
3248 | test_pattern_val[value]); | |
19a81c14 SL |
3249 | } |
3250 | ||
1068feca MJ |
3251 | static int ov5640_set_ctrl_light_freq(struct ov5640_dev *sensor, int value) |
3252 | { | |
3253 | int ret; | |
3254 | ||
3255 | ret = ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL01, BIT(7), | |
3256 | (value == V4L2_CID_POWER_LINE_FREQUENCY_AUTO) ? | |
3257 | 0 : BIT(7)); | |
3258 | if (ret) | |
3259 | return ret; | |
3260 | ||
3261 | return ov5640_mod_reg(sensor, OV5640_REG_HZ5060_CTRL00, BIT(2), | |
3262 | (value == V4L2_CID_POWER_LINE_FREQUENCY_50HZ) ? | |
3263 | BIT(2) : 0); | |
3264 | } | |
3265 | ||
ce85705a HF |
3266 | static int ov5640_set_ctrl_hflip(struct ov5640_dev *sensor, int value) |
3267 | { | |
3268 | /* | |
c3f3ba3e HF |
3269 | * If sensor is mounted upside down, mirror logic is inversed. |
3270 | * | |
ce85705a HF |
3271 | * Sensor is a BSI (Back Side Illuminated) one, |
3272 | * so image captured is physically mirrored. | |
3273 | * This is why mirror logic is inversed in | |
3274 | * order to cancel this mirror effect. | |
3275 | */ | |
3276 | ||
3277 | /* | |
3278 | * TIMING TC REG21: | |
3279 | * - [2]: ISP mirror | |
3280 | * - [1]: Sensor mirror | |
3281 | */ | |
3282 | return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG21, | |
3283 | BIT(2) | BIT(1), | |
c3f3ba3e HF |
3284 | (!(value ^ sensor->upside_down)) ? |
3285 | (BIT(2) | BIT(1)) : 0); | |
ce85705a HF |
3286 | } |
3287 | ||
3288 | static int ov5640_set_ctrl_vflip(struct ov5640_dev *sensor, int value) | |
3289 | { | |
c3f3ba3e HF |
3290 | /* If sensor is mounted upside down, flip logic is inversed */ |
3291 | ||
ce85705a HF |
3292 | /* |
3293 | * TIMING TC REG20: | |
3294 | * - [2]: ISP vflip | |
3295 | * - [1]: Sensor vflip | |
3296 | */ | |
3297 | return ov5640_mod_reg(sensor, OV5640_REG_TIMING_TC_REG20, | |
3298 | BIT(2) | BIT(1), | |
c3f3ba3e HF |
3299 | (value ^ sensor->upside_down) ? |
3300 | (BIT(2) | BIT(1)) : 0); | |
ce85705a HF |
3301 | } |
3302 | ||
bce93b82 JM |
3303 | static int ov5640_set_ctrl_vblank(struct ov5640_dev *sensor, int value) |
3304 | { | |
3305 | const struct ov5640_mode_info *mode = sensor->current_mode; | |
3306 | ||
3307 | /* Update the VTOT timing register value. */ | |
3308 | return ov5640_write_reg16(sensor, OV5640_REG_TIMING_VTS, | |
3309 | mode->height + value); | |
3310 | } | |
3311 | ||
19a81c14 SL |
3312 | static int ov5640_g_volatile_ctrl(struct v4l2_ctrl *ctrl) |
3313 | { | |
3314 | struct v4l2_subdev *sd = ctrl_to_sd(ctrl); | |
3315 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
3316 | int val; | |
3317 | ||
3318 | /* v4l2_ctrl_lock() locks our own mutex */ | |
3319 | ||
85644a9b PE |
3320 | if (!pm_runtime_get_if_in_use(&sensor->i2c_client->dev)) |
3321 | return 0; | |
3322 | ||
19a81c14 SL |
3323 | switch (ctrl->id) { |
3324 | case V4L2_CID_AUTOGAIN: | |
19a81c14 SL |
3325 | val = ov5640_get_gain(sensor); |
3326 | if (val < 0) | |
3327 | return val; | |
3328 | sensor->ctrls.gain->val = val; | |
3329 | break; | |
3330 | case V4L2_CID_EXPOSURE_AUTO: | |
19a81c14 SL |
3331 | val = ov5640_get_exposure(sensor); |
3332 | if (val < 0) | |
3333 | return val; | |
3334 | sensor->ctrls.exposure->val = val; | |
3335 | break; | |
3336 | } | |
3337 | ||
e13064a3 | 3338 | pm_runtime_mark_last_busy(&sensor->i2c_client->dev); |
85644a9b PE |
3339 | pm_runtime_put_autosuspend(&sensor->i2c_client->dev); |
3340 | ||
19a81c14 SL |
3341 | return 0; |
3342 | } | |
3343 | ||
3344 | static int ov5640_s_ctrl(struct v4l2_ctrl *ctrl) | |
3345 | { | |
3346 | struct v4l2_subdev *sd = ctrl_to_sd(ctrl); | |
3347 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
bce93b82 JM |
3348 | const struct ov5640_mode_info *mode = sensor->current_mode; |
3349 | const struct ov5640_timings *timings; | |
3350 | unsigned int exp_max; | |
19a81c14 SL |
3351 | int ret; |
3352 | ||
3353 | /* v4l2_ctrl_lock() locks our own mutex */ | |
3354 | ||
bce93b82 JM |
3355 | switch (ctrl->id) { |
3356 | case V4L2_CID_VBLANK: | |
3357 | /* Update the exposure range to the newly programmed vblank. */ | |
3358 | timings = ov5640_timings(sensor, mode); | |
3359 | exp_max = mode->height + ctrl->val - 4; | |
3360 | __v4l2_ctrl_modify_range(sensor->ctrls.exposure, | |
3361 | sensor->ctrls.exposure->minimum, | |
3362 | exp_max, sensor->ctrls.exposure->step, | |
3363 | timings->vblank_def); | |
3364 | break; | |
3365 | } | |
3366 | ||
19a81c14 SL |
3367 | /* |
3368 | * If the device is not powered up by the host driver do | |
3369 | * not apply any controls to H/W at this time. Instead | |
85644a9b | 3370 | * the controls will be restored at start streaming time. |
19a81c14 | 3371 | */ |
85644a9b | 3372 | if (!pm_runtime_get_if_in_use(&sensor->i2c_client->dev)) |
19a81c14 SL |
3373 | return 0; |
3374 | ||
3375 | switch (ctrl->id) { | |
3376 | case V4L2_CID_AUTOGAIN: | |
3377 | ret = ov5640_set_ctrl_gain(sensor, ctrl->val); | |
3378 | break; | |
3379 | case V4L2_CID_EXPOSURE_AUTO: | |
3380 | ret = ov5640_set_ctrl_exposure(sensor, ctrl->val); | |
3381 | break; | |
3382 | case V4L2_CID_AUTO_WHITE_BALANCE: | |
3383 | ret = ov5640_set_ctrl_white_balance(sensor, ctrl->val); | |
3384 | break; | |
3385 | case V4L2_CID_HUE: | |
3386 | ret = ov5640_set_ctrl_hue(sensor, ctrl->val); | |
3387 | break; | |
3388 | case V4L2_CID_CONTRAST: | |
3389 | ret = ov5640_set_ctrl_contrast(sensor, ctrl->val); | |
3390 | break; | |
3391 | case V4L2_CID_SATURATION: | |
3392 | ret = ov5640_set_ctrl_saturation(sensor, ctrl->val); | |
3393 | break; | |
3394 | case V4L2_CID_TEST_PATTERN: | |
3395 | ret = ov5640_set_ctrl_test_pattern(sensor, ctrl->val); | |
3396 | break; | |
1068feca MJ |
3397 | case V4L2_CID_POWER_LINE_FREQUENCY: |
3398 | ret = ov5640_set_ctrl_light_freq(sensor, ctrl->val); | |
3399 | break; | |
ce85705a HF |
3400 | case V4L2_CID_HFLIP: |
3401 | ret = ov5640_set_ctrl_hflip(sensor, ctrl->val); | |
3402 | break; | |
3403 | case V4L2_CID_VFLIP: | |
3404 | ret = ov5640_set_ctrl_vflip(sensor, ctrl->val); | |
3405 | break; | |
bce93b82 JM |
3406 | case V4L2_CID_VBLANK: |
3407 | ret = ov5640_set_ctrl_vblank(sensor, ctrl->val); | |
3408 | break; | |
19a81c14 SL |
3409 | default: |
3410 | ret = -EINVAL; | |
3411 | break; | |
3412 | } | |
3413 | ||
e13064a3 | 3414 | pm_runtime_mark_last_busy(&sensor->i2c_client->dev); |
85644a9b PE |
3415 | pm_runtime_put_autosuspend(&sensor->i2c_client->dev); |
3416 | ||
19a81c14 SL |
3417 | return ret; |
3418 | } | |
3419 | ||
3420 | static const struct v4l2_ctrl_ops ov5640_ctrl_ops = { | |
3421 | .g_volatile_ctrl = ov5640_g_volatile_ctrl, | |
3422 | .s_ctrl = ov5640_s_ctrl, | |
3423 | }; | |
3424 | ||
19a81c14 SL |
3425 | static int ov5640_init_controls(struct ov5640_dev *sensor) |
3426 | { | |
22845bf2 | 3427 | const struct ov5640_mode_info *mode = sensor->current_mode; |
19a81c14 SL |
3428 | const struct v4l2_ctrl_ops *ops = &ov5640_ctrl_ops; |
3429 | struct ov5640_ctrls *ctrls = &sensor->ctrls; | |
3430 | struct v4l2_ctrl_handler *hdl = &ctrls->handler; | |
1066fc1c | 3431 | struct v4l2_fwnode_device_properties props; |
32979f67 | 3432 | const struct ov5640_timings *timings; |
bce93b82 | 3433 | unsigned int max_vblank; |
32979f67 | 3434 | unsigned int hblank; |
19a81c14 SL |
3435 | int ret; |
3436 | ||
3437 | v4l2_ctrl_handler_init(hdl, 32); | |
3438 | ||
3439 | /* we can use our own mutex for the ctrl lock */ | |
3440 | hdl->lock = &sensor->lock; | |
3441 | ||
cc196e48 BP |
3442 | /* Clock related controls */ |
3443 | ctrls->pixel_rate = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, | |
22845bf2 JM |
3444 | ov5640_pixel_rates[OV5640_NUM_PIXEL_RATES - 1], |
3445 | ov5640_pixel_rates[0], 1, | |
3446 | ov5640_pixel_rates[mode->pixel_rate]); | |
cc196e48 | 3447 | |
7a3b8d4b JM |
3448 | ctrls->link_freq = v4l2_ctrl_new_int_menu(hdl, ops, |
3449 | V4L2_CID_LINK_FREQ, | |
3450 | ARRAY_SIZE(ov5640_csi2_link_freqs) - 1, | |
3451 | OV5640_DEFAULT_LINK_FREQ, | |
3452 | ov5640_csi2_link_freqs); | |
3453 | ||
32979f67 JM |
3454 | timings = ov5640_timings(sensor, mode); |
3455 | hblank = timings->htot - mode->width; | |
3456 | ctrls->hblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, hblank, | |
3457 | hblank, 1, hblank); | |
3458 | ||
bce93b82 JM |
3459 | max_vblank = OV5640_MAX_VTS - mode->height; |
3460 | ctrls->vblank = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, | |
3461 | OV5640_MIN_VBLANK, max_vblank, | |
3462 | 1, timings->vblank_def); | |
3463 | ||
19a81c14 SL |
3464 | /* Auto/manual white balance */ |
3465 | ctrls->auto_wb = v4l2_ctrl_new_std(hdl, ops, | |
3466 | V4L2_CID_AUTO_WHITE_BALANCE, | |
3467 | 0, 1, 1, 1); | |
3468 | ctrls->blue_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_BLUE_BALANCE, | |
3469 | 0, 4095, 1, 0); | |
3470 | ctrls->red_balance = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_RED_BALANCE, | |
3471 | 0, 4095, 1, 0); | |
3472 | /* Auto/manual exposure */ | |
3473 | ctrls->auto_exp = v4l2_ctrl_new_std_menu(hdl, ops, | |
3474 | V4L2_CID_EXPOSURE_AUTO, | |
3475 | V4L2_EXPOSURE_MANUAL, 0, | |
3476 | V4L2_EXPOSURE_AUTO); | |
3477 | ctrls->exposure = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, | |
3478 | 0, 65535, 1, 0); | |
3479 | /* Auto/manual gain */ | |
3480 | ctrls->auto_gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_AUTOGAIN, | |
3481 | 0, 1, 1, 1); | |
afa48057 | 3482 | ctrls->gain = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_ANALOGUE_GAIN, |
19a81c14 SL |
3483 | 0, 1023, 1, 0); |
3484 | ||
3485 | ctrls->saturation = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_SATURATION, | |
3486 | 0, 255, 1, 64); | |
3487 | ctrls->hue = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HUE, | |
3488 | 0, 359, 1, 0); | |
3489 | ctrls->contrast = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_CONTRAST, | |
3490 | 0, 255, 1, 0); | |
3491 | ctrls->test_pattern = | |
3492 | v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, | |
3493 | ARRAY_SIZE(test_pattern_menu) - 1, | |
3494 | 0, 0, test_pattern_menu); | |
ce85705a HF |
3495 | ctrls->hflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, |
3496 | 0, 1, 1, 0); | |
3497 | ctrls->vflip = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, | |
3498 | 0, 1, 1, 0); | |
19a81c14 | 3499 | |
1068feca MJ |
3500 | ctrls->light_freq = |
3501 | v4l2_ctrl_new_std_menu(hdl, ops, | |
3502 | V4L2_CID_POWER_LINE_FREQUENCY, | |
3503 | V4L2_CID_POWER_LINE_FREQUENCY_AUTO, 0, | |
3504 | V4L2_CID_POWER_LINE_FREQUENCY_50HZ); | |
3505 | ||
19a81c14 SL |
3506 | if (hdl->error) { |
3507 | ret = hdl->error; | |
3508 | goto free_ctrls; | |
3509 | } | |
3510 | ||
1066fc1c JM |
3511 | ret = v4l2_fwnode_device_parse(&sensor->i2c_client->dev, &props); |
3512 | if (ret) | |
3513 | goto free_ctrls; | |
3514 | ||
3515 | if (props.rotation == 180) | |
3516 | sensor->upside_down = true; | |
3517 | ||
3518 | ret = v4l2_ctrl_new_fwnode_properties(hdl, ops, &props); | |
3519 | if (ret) | |
3520 | goto free_ctrls; | |
3521 | ||
cc196e48 | 3522 | ctrls->pixel_rate->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
7a3b8d4b | 3523 | ctrls->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
32979f67 | 3524 | ctrls->hblank->flags |= V4L2_CTRL_FLAG_READ_ONLY; |
19a81c14 SL |
3525 | ctrls->gain->flags |= V4L2_CTRL_FLAG_VOLATILE; |
3526 | ctrls->exposure->flags |= V4L2_CTRL_FLAG_VOLATILE; | |
3527 | ||
3528 | v4l2_ctrl_auto_cluster(3, &ctrls->auto_wb, 0, false); | |
3529 | v4l2_ctrl_auto_cluster(2, &ctrls->auto_gain, 0, true); | |
3530 | v4l2_ctrl_auto_cluster(2, &ctrls->auto_exp, 1, true); | |
3531 | ||
3532 | sensor->sd.ctrl_handler = hdl; | |
3533 | return 0; | |
3534 | ||
3535 | free_ctrls: | |
3536 | v4l2_ctrl_handler_free(hdl); | |
3537 | return ret; | |
3538 | } | |
3539 | ||
3540 | static int ov5640_enum_frame_size(struct v4l2_subdev *sd, | |
0d346d2a | 3541 | struct v4l2_subdev_state *sd_state, |
19a81c14 SL |
3542 | struct v4l2_subdev_frame_size_enum *fse) |
3543 | { | |
a89f14bb JM |
3544 | struct ov5640_dev *sensor = to_ov5640_dev(sd); |
3545 | u32 bpp = ov5640_code_to_bpp(sensor, fse->code); | |
7dcb3a2f JM |
3546 | unsigned int index = fse->index; |
3547 | ||
19a81c14 SL |
3548 | if (fse->pad != 0) |
3549 | return -EINVAL; | |
7dcb3a2f JM |
3550 | if (!bpp) |
3551 | return -EINVAL; | |
3552 | ||
3553 | /* Only low-resolution modes are supported for 24bpp formats. */ | |
3554 | if (bpp == 24 && index >= OV5640_MODE_720P_1280_720) | |
3555 | return -EINVAL; | |
3556 | ||
3557 | /* FIXME: Low resolution modes don't work in 8bpp formats. */ | |
3558 | if (bpp == 8) | |
3559 | index += OV5640_MODE_720P_1280_720; | |
3560 | ||
3561 | if (index >= OV5640_NUM_MODES) | |
19a81c14 SL |
3562 | return -EINVAL; |
3563 | ||
7dcb3a2f | 3564 | fse->min_width = ov5640_mode_data[index].width; |
41d8d7f5 | 3565 | fse->max_width = fse->min_width; |
7dcb3a2f | 3566 | fse->min_height = ov5640_mode_data[index].height; |
41d8d7f5 | 3567 | fse->max_height = fse->min_height; |
19a81c14 SL |
3568 | |
3569 | return 0; | |
3570 | } | |
3571 | ||
3572 | static int ov5640_enum_frame_interval( | |
3573 | struct v4l2_subdev *sd, | |
0d346d2a | 3574 | struct v4l2_subdev_state *sd_state, |
19a81c14 SL |
3575 | struct v4l2_subdev_frame_interval_enum *fie) |
3576 | { | |
3577 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
f33b56d3 | 3578 | const struct ov5640_mode_info *mode; |
19a81c14 SL |
3579 | struct v4l2_fract tpf; |
3580 | int ret; | |
3581 | ||
3582 | if (fie->pad != 0) | |
3583 | return -EINVAL; | |
3584 | if (fie->index >= OV5640_NUM_FRAMERATES) | |
3585 | return -EINVAL; | |
3586 | ||
f33b56d3 G |
3587 | mode = ov5640_find_mode(sensor, fie->width, fie->height, false); |
3588 | if (!mode) | |
3589 | return -EINVAL; | |
3590 | ||
19a81c14 SL |
3591 | tpf.numerator = 1; |
3592 | tpf.denominator = ov5640_framerates[fie->index]; | |
3593 | ||
f33b56d3 | 3594 | ret = ov5640_try_frame_interval(sensor, &tpf, mode); |
19a81c14 SL |
3595 | if (ret < 0) |
3596 | return -EINVAL; | |
3597 | ||
3598 | fie->interval = tpf; | |
3599 | return 0; | |
3600 | } | |
3601 | ||
3602 | static int ov5640_g_frame_interval(struct v4l2_subdev *sd, | |
3603 | struct v4l2_subdev_frame_interval *fi) | |
3604 | { | |
3605 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
3606 | ||
3607 | mutex_lock(&sensor->lock); | |
3608 | fi->interval = sensor->frame_interval; | |
3609 | mutex_unlock(&sensor->lock); | |
3610 | ||
3611 | return 0; | |
3612 | } | |
3613 | ||
3614 | static int ov5640_s_frame_interval(struct v4l2_subdev *sd, | |
3615 | struct v4l2_subdev_frame_interval *fi) | |
3616 | { | |
3617 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
3618 | const struct ov5640_mode_info *mode; | |
3619 | int frame_rate, ret = 0; | |
3620 | ||
3621 | if (fi->pad != 0) | |
3622 | return -EINVAL; | |
3623 | ||
3624 | mutex_lock(&sensor->lock); | |
3625 | ||
3626 | if (sensor->streaming) { | |
3627 | ret = -EBUSY; | |
3628 | goto out; | |
3629 | } | |
3630 | ||
3631 | mode = sensor->current_mode; | |
3632 | ||
f33b56d3 | 3633 | frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, mode); |
e823fb16 MR |
3634 | if (frame_rate < 0) { |
3635 | /* Always return a valid frame interval value */ | |
3636 | fi->interval = sensor->frame_interval; | |
3637 | goto out; | |
3638 | } | |
19a81c14 | 3639 | |
b6ae5022 | 3640 | mode = ov5640_find_mode(sensor, mode->width, mode->height, true); |
3c4a7372 HF |
3641 | if (!mode) { |
3642 | ret = -EINVAL; | |
3643 | goto out; | |
3644 | } | |
3645 | ||
b6ae5022 JM |
3646 | if (ov5640_framerates[frame_rate] > ov5640_framerates[mode->max_fps]) { |
3647 | ret = -EINVAL; | |
3648 | goto out; | |
3649 | } | |
3650 | ||
0929983e HF |
3651 | if (mode != sensor->current_mode || |
3652 | frame_rate != sensor->current_fr) { | |
3653 | sensor->current_fr = frame_rate; | |
3654 | sensor->frame_interval = fi->interval; | |
6949d864 HF |
3655 | sensor->current_mode = mode; |
3656 | sensor->pending_mode_change = true; | |
cc196e48 | 3657 | |
19f2e3e6 | 3658 | ov5640_update_pixel_rate(sensor); |
6949d864 | 3659 | } |
19a81c14 SL |
3660 | out: |
3661 | mutex_unlock(&sensor->lock); | |
3662 | return ret; | |
3663 | } | |
3664 | ||
3665 | static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, | |
0d346d2a | 3666 | struct v4l2_subdev_state *sd_state, |
41d8d7f5 | 3667 | struct v4l2_subdev_mbus_code_enum *code) |
19a81c14 | 3668 | { |
a89f14bb JM |
3669 | struct ov5640_dev *sensor = to_ov5640_dev(sd); |
3670 | const struct ov5640_pixfmt *formats; | |
3671 | unsigned int num_formats; | |
3672 | ||
3673 | if (ov5640_is_csi2(sensor)) { | |
3674 | formats = ov5640_csi2_formats; | |
3675 | num_formats = ARRAY_SIZE(ov5640_csi2_formats) - 1; | |
3676 | } else { | |
3677 | formats = ov5640_dvp_formats; | |
3678 | num_formats = ARRAY_SIZE(ov5640_dvp_formats) - 1; | |
3679 | } | |
3680 | ||
3681 | if (code->index >= num_formats) | |
19a81c14 SL |
3682 | return -EINVAL; |
3683 | ||
a89f14bb JM |
3684 | code->code = formats[code->index].code; |
3685 | ||
19a81c14 SL |
3686 | return 0; |
3687 | } | |
3688 | ||
3689 | static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) | |
3690 | { | |
3691 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
3692 | int ret = 0; | |
3693 | ||
85644a9b PE |
3694 | if (enable) { |
3695 | ret = pm_runtime_resume_and_get(&sensor->i2c_client->dev); | |
3696 | if (ret < 0) | |
3697 | return ret; | |
3698 | ||
3699 | ret = v4l2_ctrl_handler_setup(&sensor->ctrls.handler); | |
3700 | if (ret) { | |
3701 | pm_runtime_put(&sensor->i2c_client->dev); | |
3702 | return ret; | |
3703 | } | |
3704 | } | |
3705 | ||
19a81c14 SL |
3706 | mutex_lock(&sensor->lock); |
3707 | ||
3708 | if (sensor->streaming == !enable) { | |
3709 | if (enable && sensor->pending_mode_change) { | |
985cdcb0 | 3710 | ret = ov5640_set_mode(sensor); |
19a81c14 SL |
3711 | if (ret) |
3712 | goto out; | |
fb98e29f | 3713 | } |
e3ee691d | 3714 | |
fb98e29f | 3715 | if (enable && sensor->pending_fmt_change) { |
e3ee691d HF |
3716 | ret = ov5640_set_framefmt(sensor, &sensor->fmt); |
3717 | if (ret) | |
3718 | goto out; | |
fb98e29f | 3719 | sensor->pending_fmt_change = false; |
19a81c14 SL |
3720 | } |
3721 | ||
8e823f5c | 3722 | if (ov5640_is_csi2(sensor)) |
f22996db HF |
3723 | ret = ov5640_set_stream_mipi(sensor, enable); |
3724 | else | |
3725 | ret = ov5640_set_stream_dvp(sensor, enable); | |
3726 | ||
19a81c14 SL |
3727 | if (!ret) |
3728 | sensor->streaming = enable; | |
3729 | } | |
85644a9b | 3730 | |
19a81c14 SL |
3731 | out: |
3732 | mutex_unlock(&sensor->lock); | |
85644a9b | 3733 | |
e13064a3 AS |
3734 | if (!enable || ret) { |
3735 | pm_runtime_mark_last_busy(&sensor->i2c_client->dev); | |
85644a9b | 3736 | pm_runtime_put_autosuspend(&sensor->i2c_client->dev); |
e13064a3 | 3737 | } |
85644a9b | 3738 | |
19a81c14 SL |
3739 | return ret; |
3740 | } | |
3741 | ||
90b0f355 JM |
3742 | static int ov5640_init_cfg(struct v4l2_subdev *sd, |
3743 | struct v4l2_subdev_state *state) | |
3744 | { | |
68453b02 | 3745 | struct ov5640_dev *sensor = to_ov5640_dev(sd); |
90b0f355 JM |
3746 | struct v4l2_mbus_framefmt *fmt = |
3747 | v4l2_subdev_get_try_format(sd, state, 0); | |
66ed85eb | 3748 | struct v4l2_rect *crop = v4l2_subdev_get_try_crop(sd, state, 0); |
90b0f355 | 3749 | |
68453b02 G |
3750 | *fmt = ov5640_is_csi2(sensor) ? ov5640_csi2_default_fmt : |
3751 | ov5640_dvp_default_fmt; | |
90b0f355 | 3752 | |
66ed85eb JM |
3753 | crop->left = OV5640_PIXEL_ARRAY_LEFT; |
3754 | crop->top = OV5640_PIXEL_ARRAY_TOP; | |
3755 | crop->width = OV5640_PIXEL_ARRAY_WIDTH; | |
3756 | crop->height = OV5640_PIXEL_ARRAY_HEIGHT; | |
3757 | ||
90b0f355 JM |
3758 | return 0; |
3759 | } | |
3760 | ||
19a81c14 | 3761 | static const struct v4l2_subdev_core_ops ov5640_core_ops = { |
2d18fbc5 AM |
3762 | .log_status = v4l2_ctrl_subdev_log_status, |
3763 | .subscribe_event = v4l2_ctrl_subdev_subscribe_event, | |
3764 | .unsubscribe_event = v4l2_event_subdev_unsubscribe, | |
19a81c14 SL |
3765 | }; |
3766 | ||
3767 | static const struct v4l2_subdev_video_ops ov5640_video_ops = { | |
3768 | .g_frame_interval = ov5640_g_frame_interval, | |
3769 | .s_frame_interval = ov5640_s_frame_interval, | |
3770 | .s_stream = ov5640_s_stream, | |
3771 | }; | |
3772 | ||
3773 | static const struct v4l2_subdev_pad_ops ov5640_pad_ops = { | |
90b0f355 | 3774 | .init_cfg = ov5640_init_cfg, |
19a81c14 SL |
3775 | .enum_mbus_code = ov5640_enum_mbus_code, |
3776 | .get_fmt = ov5640_get_fmt, | |
3777 | .set_fmt = ov5640_set_fmt, | |
66ed85eb | 3778 | .get_selection = ov5640_get_selection, |
19a81c14 SL |
3779 | .enum_frame_size = ov5640_enum_frame_size, |
3780 | .enum_frame_interval = ov5640_enum_frame_interval, | |
3781 | }; | |
3782 | ||
3783 | static const struct v4l2_subdev_ops ov5640_subdev_ops = { | |
3784 | .core = &ov5640_core_ops, | |
3785 | .video = &ov5640_video_ops, | |
3786 | .pad = &ov5640_pad_ops, | |
3787 | }; | |
3788 | ||
3789 | static int ov5640_get_regulators(struct ov5640_dev *sensor) | |
3790 | { | |
3791 | int i; | |
3792 | ||
3793 | for (i = 0; i < OV5640_NUM_SUPPLIES; i++) | |
3794 | sensor->supplies[i].supply = ov5640_supply_name[i]; | |
3795 | ||
3796 | return devm_regulator_bulk_get(&sensor->i2c_client->dev, | |
3797 | OV5640_NUM_SUPPLIES, | |
3798 | sensor->supplies); | |
3799 | } | |
3800 | ||
0f7acb52 HF |
3801 | static int ov5640_check_chip_id(struct ov5640_dev *sensor) |
3802 | { | |
3803 | struct i2c_client *client = sensor->i2c_client; | |
3804 | int ret = 0; | |
3805 | u16 chip_id; | |
3806 | ||
0f7acb52 HF |
3807 | ret = ov5640_read_reg16(sensor, OV5640_REG_CHIP_ID, &chip_id); |
3808 | if (ret) { | |
3809 | dev_err(&client->dev, "%s: failed to read chip identifier\n", | |
3810 | __func__); | |
85644a9b | 3811 | return ret; |
0f7acb52 HF |
3812 | } |
3813 | ||
3814 | if (chip_id != 0x5640) { | |
3815 | dev_err(&client->dev, "%s: wrong chip identifier, expected 0x5640, got 0x%x\n", | |
3816 | __func__, chip_id); | |
85644a9b | 3817 | return -ENXIO; |
0f7acb52 HF |
3818 | } |
3819 | ||
85644a9b | 3820 | return 0; |
0f7acb52 HF |
3821 | } |
3822 | ||
e6714993 | 3823 | static int ov5640_probe(struct i2c_client *client) |
19a81c14 SL |
3824 | { |
3825 | struct device *dev = &client->dev; | |
3826 | struct fwnode_handle *endpoint; | |
3827 | struct ov5640_dev *sensor; | |
3828 | int ret; | |
3829 | ||
3830 | sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); | |
3831 | if (!sensor) | |
3832 | return -ENOMEM; | |
3833 | ||
3834 | sensor->i2c_client = client; | |
fb98e29f HF |
3835 | |
3836 | /* | |
3837 | * default init sequence initialize sensor to | |
afe25fbc | 3838 | * YUV422 UYVY VGA(30FPS in parallel mode, 60 in MIPI CSI-2 mode) |
fb98e29f | 3839 | */ |
19a81c14 SL |
3840 | sensor->frame_interval.numerator = 1; |
3841 | sensor->frame_interval.denominator = ov5640_framerates[OV5640_30_FPS]; | |
3842 | sensor->current_fr = OV5640_30_FPS; | |
3843 | sensor->current_mode = | |
086c25f8 | 3844 | &ov5640_mode_data[OV5640_MODE_VGA_640_480]; |
985cdcb0 | 3845 | sensor->last_mode = sensor->current_mode; |
d7b41196 G |
3846 | sensor->current_link_freq = |
3847 | ov5640_csi2_link_freqs[OV5640_DEFAULT_LINK_FREQ]; | |
19a81c14 SL |
3848 | |
3849 | sensor->ae_target = 52; | |
3850 | ||
ce96bcf5 SA |
3851 | endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(&client->dev), |
3852 | NULL); | |
19a81c14 SL |
3853 | if (!endpoint) { |
3854 | dev_err(dev, "endpoint node not found\n"); | |
3855 | return -EINVAL; | |
3856 | } | |
3857 | ||
3858 | ret = v4l2_fwnode_endpoint_parse(endpoint, &sensor->ep); | |
3859 | fwnode_handle_put(endpoint); | |
3860 | if (ret) { | |
3861 | dev_err(dev, "Could not parse endpoint\n"); | |
3862 | return ret; | |
3863 | } | |
3864 | ||
2c61e48d LP |
3865 | if (sensor->ep.bus_type != V4L2_MBUS_PARALLEL && |
3866 | sensor->ep.bus_type != V4L2_MBUS_CSI2_DPHY && | |
3867 | sensor->ep.bus_type != V4L2_MBUS_BT656) { | |
3868 | dev_err(dev, "Unsupported bus type %d\n", sensor->ep.bus_type); | |
3869 | return -EINVAL; | |
3870 | } | |
3871 | ||
68453b02 G |
3872 | sensor->fmt = ov5640_is_csi2(sensor) ? ov5640_csi2_default_fmt : |
3873 | ov5640_dvp_default_fmt; | |
3874 | ||
19a81c14 SL |
3875 | /* get system clock (xclk) */ |
3876 | sensor->xclk = devm_clk_get(dev, "xclk"); | |
3877 | if (IS_ERR(sensor->xclk)) { | |
3878 | dev_err(dev, "failed to get xclk\n"); | |
3879 | return PTR_ERR(sensor->xclk); | |
3880 | } | |
3881 | ||
3882 | sensor->xclk_freq = clk_get_rate(sensor->xclk); | |
3883 | if (sensor->xclk_freq < OV5640_XCLK_MIN || | |
3884 | sensor->xclk_freq > OV5640_XCLK_MAX) { | |
3885 | dev_err(dev, "xclk frequency out of range: %d Hz\n", | |
3886 | sensor->xclk_freq); | |
3887 | return -EINVAL; | |
3888 | } | |
3889 | ||
3890 | /* request optional power down pin */ | |
3891 | sensor->pwdn_gpio = devm_gpiod_get_optional(dev, "powerdown", | |
3892 | GPIOD_OUT_HIGH); | |
8791a102 FE |
3893 | if (IS_ERR(sensor->pwdn_gpio)) |
3894 | return PTR_ERR(sensor->pwdn_gpio); | |
3895 | ||
19a81c14 SL |
3896 | /* request optional reset pin */ |
3897 | sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", | |
3898 | GPIOD_OUT_HIGH); | |
8791a102 FE |
3899 | if (IS_ERR(sensor->reset_gpio)) |
3900 | return PTR_ERR(sensor->reset_gpio); | |
19a81c14 SL |
3901 | |
3902 | v4l2_i2c_subdev_init(&sensor->sd, client, &ov5640_subdev_ops); | |
3903 | ||
2d18fbc5 AM |
3904 | sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | |
3905 | V4L2_SUBDEV_FL_HAS_EVENTS; | |
19a81c14 SL |
3906 | sensor->pad.flags = MEDIA_PAD_FL_SOURCE; |
3907 | sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; | |
3908 | ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); | |
3909 | if (ret) | |
3910 | return ret; | |
3911 | ||
3912 | ret = ov5640_get_regulators(sensor); | |
3913 | if (ret) | |
85644a9b | 3914 | goto entity_cleanup; |
19a81c14 SL |
3915 | |
3916 | mutex_init(&sensor->lock); | |
3917 | ||
85644a9b | 3918 | ret = ov5640_init_controls(sensor); |
0f7acb52 HF |
3919 | if (ret) |
3920 | goto entity_cleanup; | |
3921 | ||
85644a9b PE |
3922 | ret = ov5640_sensor_resume(dev); |
3923 | if (ret) { | |
3924 | dev_err(dev, "failed to power on\n"); | |
19a81c14 | 3925 | goto entity_cleanup; |
85644a9b PE |
3926 | } |
3927 | ||
3928 | pm_runtime_set_active(dev); | |
3929 | pm_runtime_get_noresume(dev); | |
3930 | pm_runtime_enable(dev); | |
3931 | ||
3932 | ret = ov5640_check_chip_id(sensor); | |
3933 | if (ret) | |
3934 | goto err_pm_runtime; | |
19a81c14 | 3935 | |
15786f7b | 3936 | ret = v4l2_async_register_subdev_sensor(&sensor->sd); |
19a81c14 | 3937 | if (ret) |
85644a9b PE |
3938 | goto err_pm_runtime; |
3939 | ||
3940 | pm_runtime_set_autosuspend_delay(dev, 1000); | |
3941 | pm_runtime_use_autosuspend(dev); | |
e13064a3 | 3942 | pm_runtime_mark_last_busy(dev); |
85644a9b | 3943 | pm_runtime_put_autosuspend(dev); |
19a81c14 SL |
3944 | |
3945 | return 0; | |
3946 | ||
85644a9b PE |
3947 | err_pm_runtime: |
3948 | pm_runtime_put_noidle(dev); | |
3949 | pm_runtime_disable(dev); | |
19a81c14 | 3950 | v4l2_ctrl_handler_free(&sensor->ctrls.handler); |
85644a9b | 3951 | ov5640_sensor_suspend(dev); |
19a81c14 | 3952 | entity_cleanup: |
19a81c14 | 3953 | media_entity_cleanup(&sensor->sd.entity); |
bfcba38d | 3954 | mutex_destroy(&sensor->lock); |
19a81c14 SL |
3955 | return ret; |
3956 | } | |
3957 | ||
ed5c2f5f | 3958 | static void ov5640_remove(struct i2c_client *client) |
19a81c14 SL |
3959 | { |
3960 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
3961 | struct ov5640_dev *sensor = to_ov5640_dev(sd); | |
85644a9b PE |
3962 | struct device *dev = &client->dev; |
3963 | ||
3964 | pm_runtime_disable(dev); | |
3965 | if (!pm_runtime_status_suspended(dev)) | |
3966 | ov5640_sensor_suspend(dev); | |
3967 | pm_runtime_set_suspended(dev); | |
19a81c14 SL |
3968 | |
3969 | v4l2_async_unregister_subdev(&sensor->sd); | |
19a81c14 SL |
3970 | media_entity_cleanup(&sensor->sd.entity); |
3971 | v4l2_ctrl_handler_free(&sensor->ctrls.handler); | |
bfcba38d | 3972 | mutex_destroy(&sensor->lock); |
19a81c14 SL |
3973 | } |
3974 | ||
85644a9b PE |
3975 | static const struct dev_pm_ops ov5640_pm_ops = { |
3976 | SET_RUNTIME_PM_OPS(ov5640_sensor_suspend, ov5640_sensor_resume, NULL) | |
3977 | }; | |
3978 | ||
19a81c14 SL |
3979 | static const struct i2c_device_id ov5640_id[] = { |
3980 | {"ov5640", 0}, | |
3981 | {}, | |
3982 | }; | |
3983 | MODULE_DEVICE_TABLE(i2c, ov5640_id); | |
3984 | ||
3985 | static const struct of_device_id ov5640_dt_ids[] = { | |
3986 | { .compatible = "ovti,ov5640" }, | |
3987 | { /* sentinel */ } | |
3988 | }; | |
3989 | MODULE_DEVICE_TABLE(of, ov5640_dt_ids); | |
3990 | ||
3991 | static struct i2c_driver ov5640_i2c_driver = { | |
3992 | .driver = { | |
3993 | .name = "ov5640", | |
3994 | .of_match_table = ov5640_dt_ids, | |
85644a9b | 3995 | .pm = &ov5640_pm_ops, |
19a81c14 SL |
3996 | }, |
3997 | .id_table = ov5640_id, | |
aaeb31c0 | 3998 | .probe = ov5640_probe, |
19a81c14 SL |
3999 | .remove = ov5640_remove, |
4000 | }; | |
4001 | ||
4002 | module_i2c_driver(ov5640_i2c_driver); | |
4003 | ||
4004 | MODULE_DESCRIPTION("OV5640 MIPI Camera Subdev Driver"); | |
4005 | MODULE_LICENSE("GPL"); |