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1 | /* |
2 | * Samsung camera host interface (FIMC) registers definition | |
3 | * | |
4 | * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License version 2 as | |
8 | * published by the Free Software Foundation. | |
9 | */ | |
10 | ||
11 | #ifndef FIMC_REG_H_ | |
12 | #define FIMC_REG_H_ | |
13 | ||
14 | #include "fimc-core.h" | |
15 | ||
16 | /* Input source format */ | |
17 | #define FIMC_REG_CISRCFMT 0x00 | |
18 | #define FIMC_REG_CISRCFMT_ITU601_8BIT (1 << 31) | |
19 | #define FIMC_REG_CISRCFMT_ITU601_16BIT (1 << 29) | |
20 | #define FIMC_REG_CISRCFMT_ORDER422_YCBYCR (0 << 14) | |
21 | #define FIMC_REG_CISRCFMT_ORDER422_YCRYCB (1 << 14) | |
22 | #define FIMC_REG_CISRCFMT_ORDER422_CBYCRY (2 << 14) | |
23 | #define FIMC_REG_CISRCFMT_ORDER422_CRYCBY (3 << 14) | |
24 | ||
25 | /* Window offset */ | |
26 | #define FIMC_REG_CIWDOFST 0x04 | |
27 | #define FIMC_REG_CIWDOFST_OFF_EN (1 << 31) | |
28 | #define FIMC_REG_CIWDOFST_CLROVFIY (1 << 30) | |
29 | #define FIMC_REG_CIWDOFST_CLROVRLB (1 << 29) | |
30 | #define FIMC_REG_CIWDOFST_HOROFF_MASK (0x7ff << 16) | |
31 | #define FIMC_REG_CIWDOFST_CLROVFICB (1 << 15) | |
32 | #define FIMC_REG_CIWDOFST_CLROVFICR (1 << 14) | |
33 | #define FIMC_REG_CIWDOFST_VEROFF_MASK (0xfff << 0) | |
34 | ||
35 | /* Global control */ | |
36 | #define FIMC_REG_CIGCTRL 0x08 | |
37 | #define FIMC_REG_CIGCTRL_SWRST (1 << 31) | |
38 | #define FIMC_REG_CIGCTRL_CAMRST_A (1 << 30) | |
39 | #define FIMC_REG_CIGCTRL_SELCAM_ITU_A (1 << 29) | |
40 | #define FIMC_REG_CIGCTRL_TESTPAT_NORMAL (0 << 27) | |
41 | #define FIMC_REG_CIGCTRL_TESTPAT_COLOR_BAR (1 << 27) | |
42 | #define FIMC_REG_CIGCTRL_TESTPAT_HOR_INC (2 << 27) | |
43 | #define FIMC_REG_CIGCTRL_TESTPAT_VER_INC (3 << 27) | |
44 | #define FIMC_REG_CIGCTRL_TESTPAT_MASK (3 << 27) | |
45 | #define FIMC_REG_CIGCTRL_TESTPAT_SHIFT 27 | |
46 | #define FIMC_REG_CIGCTRL_INVPOLPCLK (1 << 26) | |
47 | #define FIMC_REG_CIGCTRL_INVPOLVSYNC (1 << 25) | |
48 | #define FIMC_REG_CIGCTRL_INVPOLHREF (1 << 24) | |
49 | #define FIMC_REG_CIGCTRL_IRQ_OVFEN (1 << 22) | |
50 | #define FIMC_REG_CIGCTRL_HREF_MASK (1 << 21) | |
51 | #define FIMC_REG_CIGCTRL_IRQ_LEVEL (1 << 20) | |
52 | #define FIMC_REG_CIGCTRL_IRQ_CLR (1 << 19) | |
53 | #define FIMC_REG_CIGCTRL_IRQ_ENABLE (1 << 16) | |
54 | #define FIMC_REG_CIGCTRL_SHDW_DISABLE (1 << 12) | |
55 | #define FIMC_REG_CIGCTRL_CAM_JPEG (1 << 8) | |
56 | #define FIMC_REG_CIGCTRL_SELCAM_MIPI_A (1 << 7) | |
57 | #define FIMC_REG_CIGCTRL_CAMIF_SELWB (1 << 6) | |
58 | /* 0 - ITU601; 1 - ITU709 */ | |
59 | #define FIMC_REG_CIGCTRL_CSC_ITU601_709 (1 << 5) | |
60 | #define FIMC_REG_CIGCTRL_INVPOLHSYNC (1 << 4) | |
61 | #define FIMC_REG_CIGCTRL_SELCAM_MIPI (1 << 3) | |
62 | #define FIMC_REG_CIGCTRL_INVPOLFIELD (1 << 1) | |
63 | #define FIMC_REG_CIGCTRL_INTERLACE (1 << 0) | |
64 | ||
65 | /* Window offset 2 */ | |
66 | #define FIMC_REG_CIWDOFST2 0x14 | |
67 | #define FIMC_REG_CIWDOFST2_HOROFF_MASK (0xfff << 16) | |
68 | #define FIMC_REG_CIWDOFST2_VEROFF_MASK (0xfff << 0) | |
69 | ||
70 | /* Output DMA Y/Cb/Cr plane start addresses */ | |
71 | #define FIMC_REG_CIOYSA(n) (0x18 + (n) * 4) | |
72 | #define FIMC_REG_CIOCBSA(n) (0x28 + (n) * 4) | |
73 | #define FIMC_REG_CIOCRSA(n) (0x38 + (n) * 4) | |
74 | ||
75 | /* Target image format */ | |
76 | #define FIMC_REG_CITRGFMT 0x48 | |
77 | #define FIMC_REG_CITRGFMT_INROT90 (1 << 31) | |
78 | #define FIMC_REG_CITRGFMT_YCBCR420 (0 << 29) | |
79 | #define FIMC_REG_CITRGFMT_YCBCR422 (1 << 29) | |
80 | #define FIMC_REG_CITRGFMT_YCBCR422_1P (2 << 29) | |
81 | #define FIMC_REG_CITRGFMT_RGB (3 << 29) | |
82 | #define FIMC_REG_CITRGFMT_FMT_MASK (3 << 29) | |
83 | #define FIMC_REG_CITRGFMT_HSIZE_MASK (0xfff << 16) | |
84 | #define FIMC_REG_CITRGFMT_FLIP_SHIFT 14 | |
85 | #define FIMC_REG_CITRGFMT_FLIP_NORMAL (0 << 14) | |
86 | #define FIMC_REG_CITRGFMT_FLIP_X_MIRROR (1 << 14) | |
87 | #define FIMC_REG_CITRGFMT_FLIP_Y_MIRROR (2 << 14) | |
88 | #define FIMC_REG_CITRGFMT_FLIP_180 (3 << 14) | |
89 | #define FIMC_REG_CITRGFMT_FLIP_MASK (3 << 14) | |
90 | #define FIMC_REG_CITRGFMT_OUTROT90 (1 << 13) | |
91 | #define FIMC_REG_CITRGFMT_VSIZE_MASK (0xfff << 0) | |
92 | ||
93 | /* Output DMA control */ | |
94 | #define FIMC_REG_CIOCTRL 0x4c | |
95 | #define FIMC_REG_CIOCTRL_ORDER422_MASK (3 << 0) | |
96 | #define FIMC_REG_CIOCTRL_ORDER422_CRYCBY (0 << 0) | |
97 | #define FIMC_REG_CIOCTRL_ORDER422_CBYCRY (1 << 0) | |
98 | #define FIMC_REG_CIOCTRL_ORDER422_YCRYCB (2 << 0) | |
99 | #define FIMC_REG_CIOCTRL_ORDER422_YCBYCR (3 << 0) | |
100 | #define FIMC_REG_CIOCTRL_LASTIRQ_ENABLE (1 << 2) | |
101 | #define FIMC_REG_CIOCTRL_YCBCR_3PLANE (0 << 3) | |
102 | #define FIMC_REG_CIOCTRL_YCBCR_2PLANE (1 << 3) | |
103 | #define FIMC_REG_CIOCTRL_YCBCR_PLANE_MASK (1 << 3) | |
104 | #define FIMC_REG_CIOCTRL_ALPHA_OUT_MASK (0xff << 4) | |
105 | #define FIMC_REG_CIOCTRL_RGB16FMT_MASK (3 << 16) | |
106 | #define FIMC_REG_CIOCTRL_RGB565 (0 << 16) | |
107 | #define FIMC_REG_CIOCTRL_ARGB1555 (1 << 16) | |
108 | #define FIMC_REG_CIOCTRL_ARGB4444 (2 << 16) | |
109 | #define FIMC_REG_CIOCTRL_ORDER2P_SHIFT 24 | |
110 | #define FIMC_REG_CIOCTRL_ORDER2P_MASK (3 << 24) | |
111 | #define FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB (0 << 24) | |
112 | ||
113 | /* Pre-scaler control 1 */ | |
114 | #define FIMC_REG_CISCPRERATIO 0x50 | |
115 | ||
116 | #define FIMC_REG_CISCPREDST 0x54 | |
117 | ||
118 | /* Main scaler control */ | |
119 | #define FIMC_REG_CISCCTRL 0x58 | |
120 | #define FIMC_REG_CISCCTRL_SCALERBYPASS (1 << 31) | |
121 | #define FIMC_REG_CISCCTRL_SCALEUP_H (1 << 30) | |
122 | #define FIMC_REG_CISCCTRL_SCALEUP_V (1 << 29) | |
123 | #define FIMC_REG_CISCCTRL_CSCR2Y_WIDE (1 << 28) | |
124 | #define FIMC_REG_CISCCTRL_CSCY2R_WIDE (1 << 27) | |
125 | #define FIMC_REG_CISCCTRL_LCDPATHEN_FIFO (1 << 26) | |
126 | #define FIMC_REG_CISCCTRL_INTERLACE (1 << 25) | |
127 | #define FIMC_REG_CISCCTRL_SCALERSTART (1 << 15) | |
128 | #define FIMC_REG_CISCCTRL_INRGB_FMT_RGB565 (0 << 13) | |
129 | #define FIMC_REG_CISCCTRL_INRGB_FMT_RGB666 (1 << 13) | |
130 | #define FIMC_REG_CISCCTRL_INRGB_FMT_RGB888 (2 << 13) | |
131 | #define FIMC_REG_CISCCTRL_INRGB_FMT_MASK (3 << 13) | |
132 | #define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB565 (0 << 11) | |
133 | #define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB666 (1 << 11) | |
134 | #define FIMC_REG_CISCCTRL_OUTRGB_FMT_RGB888 (2 << 11) | |
135 | #define FIMC_REG_CISCCTRL_OUTRGB_FMT_MASK (3 << 11) | |
136 | #define FIMC_REG_CISCCTRL_RGB_EXT (1 << 10) | |
137 | #define FIMC_REG_CISCCTRL_ONE2ONE (1 << 9) | |
138 | #define FIMC_REG_CISCCTRL_MHRATIO(x) ((x) << 16) | |
139 | #define FIMC_REG_CISCCTRL_MVRATIO(x) ((x) << 0) | |
140 | #define FIMC_REG_CISCCTRL_MHRATIO_MASK (0x1ff << 16) | |
141 | #define FIMC_REG_CISCCTRL_MVRATIO_MASK (0x1ff << 0) | |
142 | #define FIMC_REG_CISCCTRL_MHRATIO_EXT(x) (((x) >> 6) << 16) | |
143 | #define FIMC_REG_CISCCTRL_MVRATIO_EXT(x) (((x) >> 6) << 0) | |
144 | ||
145 | /* Target area */ | |
146 | #define FIMC_REG_CITAREA 0x5c | |
147 | #define FIMC_REG_CITAREA_MASK 0x0fffffff | |
148 | ||
149 | /* General status */ | |
150 | #define FIMC_REG_CISTATUS 0x64 | |
151 | #define FIMC_REG_CISTATUS_OVFIY (1 << 31) | |
152 | #define FIMC_REG_CISTATUS_OVFICB (1 << 30) | |
153 | #define FIMC_REG_CISTATUS_OVFICR (1 << 29) | |
154 | #define FIMC_REG_CISTATUS_VSYNC (1 << 28) | |
155 | #define FIMC_REG_CISTATUS_FRAMECNT_MASK (3 << 26) | |
156 | #define FIMC_REG_CISTATUS_FRAMECNT_SHIFT 26 | |
157 | #define FIMC_REG_CISTATUS_WINOFF_EN (1 << 25) | |
158 | #define FIMC_REG_CISTATUS_IMGCPT_EN (1 << 22) | |
159 | #define FIMC_REG_CISTATUS_IMGCPT_SCEN (1 << 21) | |
160 | #define FIMC_REG_CISTATUS_VSYNC_A (1 << 20) | |
161 | #define FIMC_REG_CISTATUS_VSYNC_B (1 << 19) | |
162 | #define FIMC_REG_CISTATUS_OVRLB (1 << 18) | |
163 | #define FIMC_REG_CISTATUS_FRAME_END (1 << 17) | |
164 | #define FIMC_REG_CISTATUS_LASTCAPT_END (1 << 16) | |
165 | #define FIMC_REG_CISTATUS_VVALID_A (1 << 15) | |
166 | #define FIMC_REG_CISTATUS_VVALID_B (1 << 14) | |
167 | ||
168 | /* Indexes to the last and the currently processed buffer. */ | |
169 | #define FIMC_REG_CISTATUS2 0x68 | |
170 | ||
171 | /* Image capture control */ | |
172 | #define FIMC_REG_CIIMGCPT 0xc0 | |
173 | #define FIMC_REG_CIIMGCPT_IMGCPTEN (1 << 31) | |
174 | #define FIMC_REG_CIIMGCPT_IMGCPTEN_SC (1 << 30) | |
175 | #define FIMC_REG_CIIMGCPT_CPT_FREN_ENABLE (1 << 25) | |
176 | #define FIMC_REG_CIIMGCPT_CPT_FRMOD_CNT (1 << 18) | |
177 | ||
178 | /* Frame capture sequence */ | |
179 | #define FIMC_REG_CICPTSEQ 0xc4 | |
180 | ||
181 | /* Image effect */ | |
182 | #define FIMC_REG_CIIMGEFF 0xd0 | |
183 | #define FIMC_REG_CIIMGEFF_IE_ENABLE (1 << 30) | |
184 | #define FIMC_REG_CIIMGEFF_IE_SC_BEFORE (0 << 29) | |
185 | #define FIMC_REG_CIIMGEFF_IE_SC_AFTER (1 << 29) | |
186 | #define FIMC_REG_CIIMGEFF_FIN_BYPASS (0 << 26) | |
187 | #define FIMC_REG_CIIMGEFF_FIN_ARBITRARY (1 << 26) | |
188 | #define FIMC_REG_CIIMGEFF_FIN_NEGATIVE (2 << 26) | |
189 | #define FIMC_REG_CIIMGEFF_FIN_ARTFREEZE (3 << 26) | |
190 | #define FIMC_REG_CIIMGEFF_FIN_EMBOSSING (4 << 26) | |
191 | #define FIMC_REG_CIIMGEFF_FIN_SILHOUETTE (5 << 26) | |
192 | #define FIMC_REG_CIIMGEFF_FIN_MASK (7 << 26) | |
193 | #define FIMC_REG_CIIMGEFF_PAT_CBCR_MASK ((0xff << 13) | 0xff) | |
194 | ||
195 | /* Input DMA Y/Cb/Cr plane start address 0/1 */ | |
196 | #define FIMC_REG_CIIYSA(n) (0xd4 + (n) * 0x70) | |
197 | #define FIMC_REG_CIICBSA(n) (0xd8 + (n) * 0x70) | |
198 | #define FIMC_REG_CIICRSA(n) (0xdc + (n) * 0x70) | |
199 | ||
200 | /* Real input DMA image size */ | |
201 | #define FIMC_REG_CIREAL_ISIZE 0xf8 | |
202 | #define FIMC_REG_CIREAL_ISIZE_AUTOLOAD_EN (1 << 31) | |
203 | #define FIMC_REG_CIREAL_ISIZE_ADDR_CH_DIS (1 << 30) | |
204 | ||
205 | /* Input DMA control */ | |
206 | #define FIMC_REG_MSCTRL 0xfc | |
207 | #define FIMC_REG_MSCTRL_IN_BURST_COUNT_MASK (0xf << 24) | |
208 | #define FIMC_REG_MSCTRL_2P_IN_ORDER_MASK (3 << 16) | |
209 | #define FIMC_REG_MSCTRL_2P_IN_ORDER_SHIFT 16 | |
210 | #define FIMC_REG_MSCTRL_C_INT_IN_3PLANE (0 << 15) | |
211 | #define FIMC_REG_MSCTRL_C_INT_IN_2PLANE (1 << 15) | |
212 | #define FIMC_REG_MSCTRL_C_INT_IN_MASK (1 << 15) | |
213 | #define FIMC_REG_MSCTRL_FLIP_SHIFT 13 | |
214 | #define FIMC_REG_MSCTRL_FLIP_MASK (3 << 13) | |
215 | #define FIMC_REG_MSCTRL_FLIP_NORMAL (0 << 13) | |
216 | #define FIMC_REG_MSCTRL_FLIP_X_MIRROR (1 << 13) | |
217 | #define FIMC_REG_MSCTRL_FLIP_Y_MIRROR (2 << 13) | |
218 | #define FIMC_REG_MSCTRL_FLIP_180 (3 << 13) | |
219 | #define FIMC_REG_MSCTRL_FIFO_CTRL_FULL (1 << 12) | |
220 | #define FIMC_REG_MSCTRL_ORDER422_SHIFT 4 | |
221 | #define FIMC_REG_MSCTRL_ORDER422_YCBYCR (0 << 4) | |
222 | #define FIMC_REG_MSCTRL_ORDER422_CBYCRY (1 << 4) | |
223 | #define FIMC_REG_MSCTRL_ORDER422_YCRYCB (2 << 4) | |
224 | #define FIMC_REG_MSCTRL_ORDER422_CRYCBY (3 << 4) | |
225 | #define FIMC_REG_MSCTRL_ORDER422_MASK (3 << 4) | |
226 | #define FIMC_REG_MSCTRL_INPUT_EXTCAM (0 << 3) | |
227 | #define FIMC_REG_MSCTRL_INPUT_MEMORY (1 << 3) | |
228 | #define FIMC_REG_MSCTRL_INPUT_MASK (1 << 3) | |
229 | #define FIMC_REG_MSCTRL_INFORMAT_YCBCR420 (0 << 1) | |
230 | #define FIMC_REG_MSCTRL_INFORMAT_YCBCR422 (1 << 1) | |
231 | #define FIMC_REG_MSCTRL_INFORMAT_YCBCR422_1P (2 << 1) | |
232 | #define FIMC_REG_MSCTRL_INFORMAT_RGB (3 << 1) | |
233 | #define FIMC_REG_MSCTRL_INFORMAT_MASK (3 << 1) | |
234 | #define FIMC_REG_MSCTRL_ENVID (1 << 0) | |
235 | #define FIMC_REG_MSCTRL_IN_BURST_COUNT(x) ((x) << 24) | |
236 | ||
237 | /* Output DMA Y/Cb/Cr offset */ | |
238 | #define FIMC_REG_CIOYOFF 0x168 | |
239 | #define FIMC_REG_CIOCBOFF 0x16c | |
240 | #define FIMC_REG_CIOCROFF 0x170 | |
241 | ||
242 | /* Input DMA Y/Cb/Cr offset */ | |
243 | #define FIMC_REG_CIIYOFF 0x174 | |
244 | #define FIMC_REG_CIICBOFF 0x178 | |
245 | #define FIMC_REG_CIICROFF 0x17c | |
246 | ||
247 | /* Input DMA original image size */ | |
248 | #define FIMC_REG_ORGISIZE 0x180 | |
249 | ||
250 | /* Output DMA original image size */ | |
251 | #define FIMC_REG_ORGOSIZE 0x184 | |
252 | ||
253 | /* Real output DMA image size (extension register) */ | |
254 | #define FIMC_REG_CIEXTEN 0x188 | |
255 | #define FIMC_REG_CIEXTEN_MHRATIO_EXT(x) (((x) & 0x3f) << 10) | |
256 | #define FIMC_REG_CIEXTEN_MVRATIO_EXT(x) ((x) & 0x3f) | |
257 | #define FIMC_REG_CIEXTEN_MHRATIO_EXT_MASK (0x3f << 10) | |
258 | #define FIMC_REG_CIEXTEN_MVRATIO_EXT_MASK 0x3f | |
259 | ||
260 | #define FIMC_REG_CIDMAPARAM 0x18c | |
261 | #define FIMC_REG_CIDMAPARAM_R_LINEAR (0 << 29) | |
262 | #define FIMC_REG_CIDMAPARAM_R_64X32 (3 << 29) | |
263 | #define FIMC_REG_CIDMAPARAM_W_LINEAR (0 << 13) | |
264 | #define FIMC_REG_CIDMAPARAM_W_64X32 (3 << 13) | |
265 | #define FIMC_REG_CIDMAPARAM_TILE_MASK ((3 << 29) | (3 << 13)) | |
266 | ||
267 | /* MIPI CSI image format */ | |
268 | #define FIMC_REG_CSIIMGFMT 0x194 | |
269 | #define FIMC_REG_CSIIMGFMT_YCBCR422_8BIT 0x1e | |
270 | #define FIMC_REG_CSIIMGFMT_RAW8 0x2a | |
271 | #define FIMC_REG_CSIIMGFMT_RAW10 0x2b | |
272 | #define FIMC_REG_CSIIMGFMT_RAW12 0x2c | |
273 | /* User defined formats. x = 0...16. */ | |
274 | #define FIMC_REG_CSIIMGFMT_USER(x) (0x30 + x - 1) | |
275 | ||
276 | /* Output frame buffer sequence mask */ | |
277 | #define FIMC_REG_CIFCNTSEQ 0x1fc | |
278 | ||
279 | /* | |
280 | * Function declarations | |
281 | */ | |
282 | void fimc_hw_reset(struct fimc_dev *fimc); | |
283 | void fimc_hw_set_rotation(struct fimc_ctx *ctx); | |
284 | void fimc_hw_set_target_format(struct fimc_ctx *ctx); | |
285 | void fimc_hw_set_out_dma(struct fimc_ctx *ctx); | |
286 | void fimc_hw_en_lastirq(struct fimc_dev *fimc, int enable); | |
287 | void fimc_hw_en_irq(struct fimc_dev *fimc, int enable); | |
288 | void fimc_hw_set_prescaler(struct fimc_ctx *ctx); | |
289 | void fimc_hw_set_mainscaler(struct fimc_ctx *ctx); | |
290 | void fimc_hw_en_capture(struct fimc_ctx *ctx); | |
9448ab7d | 291 | void fimc_hw_set_effect(struct fimc_ctx *ctx); |
c83a1ff0 SN |
292 | void fimc_hw_set_rgb_alpha(struct fimc_ctx *ctx); |
293 | void fimc_hw_set_in_dma(struct fimc_ctx *ctx); | |
294 | void fimc_hw_set_input_path(struct fimc_ctx *ctx); | |
295 | void fimc_hw_set_output_path(struct fimc_ctx *ctx); | |
296 | void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *paddr); | |
297 | void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *paddr, | |
298 | int index); | |
299 | int fimc_hw_set_camera_source(struct fimc_dev *fimc, | |
300 | struct s5p_fimc_isp_info *cam); | |
301 | void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f); | |
302 | int fimc_hw_set_camera_polarity(struct fimc_dev *fimc, | |
303 | struct s5p_fimc_isp_info *cam); | |
304 | int fimc_hw_set_camera_type(struct fimc_dev *fimc, | |
305 | struct s5p_fimc_isp_info *cam); | |
306 | void fimc_hw_clear_irq(struct fimc_dev *dev); | |
307 | void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on); | |
308 | void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on); | |
309 | void fimc_hw_dis_capture(struct fimc_dev *dev); | |
310 | u32 fimc_hw_get_frame_index(struct fimc_dev *dev); | |
311 | void fimc_activate_capture(struct fimc_ctx *ctx); | |
312 | void fimc_deactivate_capture(struct fimc_dev *fimc); | |
313 | ||
314 | /** | |
315 | * fimc_hw_set_dma_seq - configure output DMA buffer sequence | |
316 | * @mask: bitmask for the DMA output buffer registers, set to 0 to skip buffer | |
317 | * This function masks output DMA ring buffers, it allows to select which of | |
318 | * the 32 available output buffer address registers will be used by the DMA | |
319 | * engine. | |
320 | */ | |
321 | static inline void fimc_hw_set_dma_seq(struct fimc_dev *dev, u32 mask) | |
322 | { | |
323 | writel(mask, dev->regs + FIMC_REG_CIFCNTSEQ); | |
324 | } | |
325 | ||
326 | #endif /* FIMC_REG_H_ */ |