diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 20:41:32 -0500 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-30 20:41:32 -0500 |
commit | f54a6ec0fd85002d94d05b4bb679508eeb066683 (patch) | |
tree | 0f24dd66cce563d2c5e7656c2489e5b96eef31f9 /drivers/media/video/omap24xxcam.h | |
parent | 5ed1836814d908f45cafde0e79cb85314ab9d41d (diff) | |
parent | 134179823b3ca9c8b98e0631906459dbb022ff9b (diff) |
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (583 commits)
V4L/DVB (10130): use USB API functions rather than constants
V4L/DVB (10129): dvb: remove deprecated use of RW_LOCK_UNLOCKED in frontends
V4L/DVB (10128): modify V4L documentation to be a valid XHTML
V4L/DVB (10127): stv06xx: Avoid having y unitialized
V4L/DVB (10125): em28xx: Don't do AC97 vendor detection for i2s audio devices
V4L/DVB (10124): em28xx: expand output formats available
V4L/DVB (10123): em28xx: fix reversed definitions of I2S audio modes
V4L/DVB (10122): em28xx: don't load em28xx-alsa for em2870 based devices
V4L/DVB (10121): em28xx: remove worthless Pinnacle PCTV HD Mini 80e device profile
V4L/DVB (10120): em28xx: remove redundant Pinnacle Dazzle DVC 100 profile
V4L/DVB (10119): em28xx: fix corrupted XCLK value
V4L/DVB (10118): zoran: fix warning for a variable not used
V4L/DVB (10116): af9013: Fix gcc false warnings
V4L/DVB (10111a): usbvideo.h: remove an useless blank line
V4L/DVB (10111): quickcam_messenger.c: fix a warning
V4L/DVB (10110): v4l2-ioctl: Fix warnings when using .unlocked_ioctl = __video_ioctl2
V4L/DVB (10109): anysee: Fix usage of an unitialized function
V4L/DVB (10104): uvcvideo: Add support for video output devices
V4L/DVB (10102): uvcvideo: Ignore interrupt endpoint for built-in iSight webcams.
V4L/DVB (10101): uvcvideo: Fix bulk URB processing when the header is erroneous
...
Diffstat (limited to 'drivers/media/video/omap24xxcam.h')
-rw-r--r-- | drivers/media/video/omap24xxcam.h | 593 |
1 files changed, 593 insertions, 0 deletions
diff --git a/drivers/media/video/omap24xxcam.h b/drivers/media/video/omap24xxcam.h new file mode 100644 index 000000000000..2ce67f5a48d5 --- /dev/null +++ b/drivers/media/video/omap24xxcam.h | |||
@@ -0,0 +1,593 @@ | |||
1 | /* | ||
2 | * drivers/media/video/omap24xxcam.h | ||
3 | * | ||
4 | * Copyright (C) 2004 MontaVista Software, Inc. | ||
5 | * Copyright (C) 2004 Texas Instruments. | ||
6 | * Copyright (C) 2007 Nokia Corporation. | ||
7 | * | ||
8 | * Contact: Sakari Ailus <sakari.ailus@nokia.com> | ||
9 | * | ||
10 | * Based on code from Andy Lowe <source@mvista.com>. | ||
11 | * | ||
12 | * This program is free software; you can redistribute it and/or | ||
13 | * modify it under the terms of the GNU General Public License | ||
14 | * version 2 as published by the Free Software Foundation. | ||
15 | * | ||
16 | * This program is distributed in the hope that it will be useful, but | ||
17 | * WITHOUT ANY WARRANTY; without even the implied warranty of | ||
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
19 | * General Public License for more details. | ||
20 | * | ||
21 | * You should have received a copy of the GNU General Public License | ||
22 | * along with this program; if not, write to the Free Software | ||
23 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | ||
24 | * 02110-1301 USA | ||
25 | */ | ||
26 | |||
27 | #ifndef OMAP24XXCAM_H | ||
28 | #define OMAP24XXCAM_H | ||
29 | |||
30 | #include <media/videobuf-dma-sg.h> | ||
31 | #include <media/v4l2-int-device.h> | ||
32 | |||
33 | /* | ||
34 | * | ||
35 | * General driver related definitions. | ||
36 | * | ||
37 | */ | ||
38 | |||
39 | #define CAM_NAME "omap24xxcam" | ||
40 | |||
41 | #define CAM_MCLK 96000000 | ||
42 | |||
43 | /* number of bytes transferred per DMA request */ | ||
44 | #define DMA_THRESHOLD 32 | ||
45 | |||
46 | /* | ||
47 | * NUM_CAMDMA_CHANNELS is the number of logical channels provided by | ||
48 | * the camera DMA controller. | ||
49 | */ | ||
50 | #define NUM_CAMDMA_CHANNELS 4 | ||
51 | |||
52 | /* | ||
53 | * NUM_SG_DMA is the number of scatter-gather DMA transfers that can | ||
54 | * be queued. (We don't have any overlay sglists now.) | ||
55 | */ | ||
56 | #define NUM_SG_DMA (VIDEO_MAX_FRAME) | ||
57 | |||
58 | /* | ||
59 | * | ||
60 | * Register definitions. | ||
61 | * | ||
62 | */ | ||
63 | |||
64 | /* subsystem register block offsets */ | ||
65 | #define CC_REG_OFFSET 0x00000400 | ||
66 | #define CAMDMA_REG_OFFSET 0x00000800 | ||
67 | #define CAMMMU_REG_OFFSET 0x00000C00 | ||
68 | |||
69 | /* define camera subsystem register offsets */ | ||
70 | #define CAM_REVISION 0x000 | ||
71 | #define CAM_SYSCONFIG 0x010 | ||
72 | #define CAM_SYSSTATUS 0x014 | ||
73 | #define CAM_IRQSTATUS 0x018 | ||
74 | #define CAM_GPO 0x040 | ||
75 | #define CAM_GPI 0x050 | ||
76 | |||
77 | /* define camera core register offsets */ | ||
78 | #define CC_REVISION 0x000 | ||
79 | #define CC_SYSCONFIG 0x010 | ||
80 | #define CC_SYSSTATUS 0x014 | ||
81 | #define CC_IRQSTATUS 0x018 | ||
82 | #define CC_IRQENABLE 0x01C | ||
83 | #define CC_CTRL 0x040 | ||
84 | #define CC_CTRL_DMA 0x044 | ||
85 | #define CC_CTRL_XCLK 0x048 | ||
86 | #define CC_FIFODATA 0x04C | ||
87 | #define CC_TEST 0x050 | ||
88 | #define CC_GENPAR 0x054 | ||
89 | #define CC_CCPFSCR 0x058 | ||
90 | #define CC_CCPFECR 0x05C | ||
91 | #define CC_CCPLSCR 0x060 | ||
92 | #define CC_CCPLECR 0x064 | ||
93 | #define CC_CCPDFR 0x068 | ||
94 | |||
95 | /* define camera dma register offsets */ | ||
96 | #define CAMDMA_REVISION 0x000 | ||
97 | #define CAMDMA_IRQSTATUS_L0 0x008 | ||
98 | #define CAMDMA_IRQSTATUS_L1 0x00C | ||
99 | #define CAMDMA_IRQSTATUS_L2 0x010 | ||
100 | #define CAMDMA_IRQSTATUS_L3 0x014 | ||
101 | #define CAMDMA_IRQENABLE_L0 0x018 | ||
102 | #define CAMDMA_IRQENABLE_L1 0x01C | ||
103 | #define CAMDMA_IRQENABLE_L2 0x020 | ||
104 | #define CAMDMA_IRQENABLE_L3 0x024 | ||
105 | #define CAMDMA_SYSSTATUS 0x028 | ||
106 | #define CAMDMA_OCP_SYSCONFIG 0x02C | ||
107 | #define CAMDMA_CAPS_0 0x064 | ||
108 | #define CAMDMA_CAPS_2 0x06C | ||
109 | #define CAMDMA_CAPS_3 0x070 | ||
110 | #define CAMDMA_CAPS_4 0x074 | ||
111 | #define CAMDMA_GCR 0x078 | ||
112 | #define CAMDMA_CCR(n) (0x080 + (n)*0x60) | ||
113 | #define CAMDMA_CLNK_CTRL(n) (0x084 + (n)*0x60) | ||
114 | #define CAMDMA_CICR(n) (0x088 + (n)*0x60) | ||
115 | #define CAMDMA_CSR(n) (0x08C + (n)*0x60) | ||
116 | #define CAMDMA_CSDP(n) (0x090 + (n)*0x60) | ||
117 | #define CAMDMA_CEN(n) (0x094 + (n)*0x60) | ||
118 | #define CAMDMA_CFN(n) (0x098 + (n)*0x60) | ||
119 | #define CAMDMA_CSSA(n) (0x09C + (n)*0x60) | ||
120 | #define CAMDMA_CDSA(n) (0x0A0 + (n)*0x60) | ||
121 | #define CAMDMA_CSEI(n) (0x0A4 + (n)*0x60) | ||
122 | #define CAMDMA_CSFI(n) (0x0A8 + (n)*0x60) | ||
123 | #define CAMDMA_CDEI(n) (0x0AC + (n)*0x60) | ||
124 | #define CAMDMA_CDFI(n) (0x0B0 + (n)*0x60) | ||
125 | #define CAMDMA_CSAC(n) (0x0B4 + (n)*0x60) | ||
126 | #define CAMDMA_CDAC(n) (0x0B8 + (n)*0x60) | ||
127 | #define CAMDMA_CCEN(n) (0x0BC + (n)*0x60) | ||
128 | #define CAMDMA_CCFN(n) (0x0C0 + (n)*0x60) | ||
129 | #define CAMDMA_COLOR(n) (0x0C4 + (n)*0x60) | ||
130 | |||
131 | /* define camera mmu register offsets */ | ||
132 | #define CAMMMU_REVISION 0x000 | ||
133 | #define CAMMMU_SYSCONFIG 0x010 | ||
134 | #define CAMMMU_SYSSTATUS 0x014 | ||
135 | #define CAMMMU_IRQSTATUS 0x018 | ||
136 | #define CAMMMU_IRQENABLE 0x01C | ||
137 | #define CAMMMU_WALKING_ST 0x040 | ||
138 | #define CAMMMU_CNTL 0x044 | ||
139 | #define CAMMMU_FAULT_AD 0x048 | ||
140 | #define CAMMMU_TTB 0x04C | ||
141 | #define CAMMMU_LOCK 0x050 | ||
142 | #define CAMMMU_LD_TLB 0x054 | ||
143 | #define CAMMMU_CAM 0x058 | ||
144 | #define CAMMMU_RAM 0x05C | ||
145 | #define CAMMMU_GFLUSH 0x060 | ||
146 | #define CAMMMU_FLUSH_ENTRY 0x064 | ||
147 | #define CAMMMU_READ_CAM 0x068 | ||
148 | #define CAMMMU_READ_RAM 0x06C | ||
149 | #define CAMMMU_EMU_FAULT_AD 0x070 | ||
150 | |||
151 | /* Define bit fields within selected registers */ | ||
152 | #define CAM_REVISION_MAJOR (15 << 4) | ||
153 | #define CAM_REVISION_MAJOR_SHIFT 4 | ||
154 | #define CAM_REVISION_MINOR (15 << 0) | ||
155 | #define CAM_REVISION_MINOR_SHIFT 0 | ||
156 | |||
157 | #define CAM_SYSCONFIG_SOFTRESET (1 << 1) | ||
158 | #define CAM_SYSCONFIG_AUTOIDLE (1 << 0) | ||
159 | |||
160 | #define CAM_SYSSTATUS_RESETDONE (1 << 0) | ||
161 | |||
162 | #define CAM_IRQSTATUS_CC_IRQ (1 << 4) | ||
163 | #define CAM_IRQSTATUS_MMU_IRQ (1 << 3) | ||
164 | #define CAM_IRQSTATUS_DMA_IRQ2 (1 << 2) | ||
165 | #define CAM_IRQSTATUS_DMA_IRQ1 (1 << 1) | ||
166 | #define CAM_IRQSTATUS_DMA_IRQ0 (1 << 0) | ||
167 | |||
168 | #define CAM_GPO_CAM_S_P_EN (1 << 1) | ||
169 | #define CAM_GPO_CAM_CCP_MODE (1 << 0) | ||
170 | |||
171 | #define CAM_GPI_CC_DMA_REQ1 (1 << 24) | ||
172 | #define CAP_GPI_CC_DMA_REQ0 (1 << 23) | ||
173 | #define CAP_GPI_CAM_MSTANDBY (1 << 21) | ||
174 | #define CAP_GPI_CAM_WAIT (1 << 20) | ||
175 | #define CAP_GPI_CAM_S_DATA (1 << 17) | ||
176 | #define CAP_GPI_CAM_S_CLK (1 << 16) | ||
177 | #define CAP_GPI_CAM_P_DATA (0xFFF << 3) | ||
178 | #define CAP_GPI_CAM_P_DATA_SHIFT 3 | ||
179 | #define CAP_GPI_CAM_P_VS (1 << 2) | ||
180 | #define CAP_GPI_CAM_P_HS (1 << 1) | ||
181 | #define CAP_GPI_CAM_P_CLK (1 << 0) | ||
182 | |||
183 | #define CC_REVISION_MAJOR (15 << 4) | ||
184 | #define CC_REVISION_MAJOR_SHIFT 4 | ||
185 | #define CC_REVISION_MINOR (15 << 0) | ||
186 | #define CC_REVISION_MINOR_SHIFT 0 | ||
187 | |||
188 | #define CC_SYSCONFIG_SIDLEMODE (3 << 3) | ||
189 | #define CC_SYSCONFIG_SIDLEMODE_FIDLE (0 << 3) | ||
190 | #define CC_SYSCONFIG_SIDLEMODE_NIDLE (1 << 3) | ||
191 | #define CC_SYSCONFIG_SOFTRESET (1 << 1) | ||
192 | #define CC_SYSCONFIG_AUTOIDLE (1 << 0) | ||
193 | |||
194 | #define CC_SYSSTATUS_RESETDONE (1 << 0) | ||
195 | |||
196 | #define CC_IRQSTATUS_FS_IRQ (1 << 19) | ||
197 | #define CC_IRQSTATUS_LE_IRQ (1 << 18) | ||
198 | #define CC_IRQSTATUS_LS_IRQ (1 << 17) | ||
199 | #define CC_IRQSTATUS_FE_IRQ (1 << 16) | ||
200 | #define CC_IRQSTATUS_FW_ERR_IRQ (1 << 10) | ||
201 | #define CC_IRQSTATUS_FSC_ERR_IRQ (1 << 9) | ||
202 | #define CC_IRQSTATUS_SSC_ERR_IRQ (1 << 8) | ||
203 | #define CC_IRQSTATUS_FIFO_NOEMPTY_IRQ (1 << 4) | ||
204 | #define CC_IRQSTATUS_FIFO_FULL_IRQ (1 << 3) | ||
205 | #define CC_IRQSTATUS_FIFO_THR_IRQ (1 << 2) | ||
206 | #define CC_IRQSTATUS_FIFO_OF_IRQ (1 << 1) | ||
207 | #define CC_IRQSTATUS_FIFO_UF_IRQ (1 << 0) | ||
208 | |||
209 | #define CC_IRQENABLE_FS_IRQ (1 << 19) | ||
210 | #define CC_IRQENABLE_LE_IRQ (1 << 18) | ||
211 | #define CC_IRQENABLE_LS_IRQ (1 << 17) | ||
212 | #define CC_IRQENABLE_FE_IRQ (1 << 16) | ||
213 | #define CC_IRQENABLE_FW_ERR_IRQ (1 << 10) | ||
214 | #define CC_IRQENABLE_FSC_ERR_IRQ (1 << 9) | ||
215 | #define CC_IRQENABLE_SSC_ERR_IRQ (1 << 8) | ||
216 | #define CC_IRQENABLE_FIFO_NOEMPTY_IRQ (1 << 4) | ||
217 | #define CC_IRQENABLE_FIFO_FULL_IRQ (1 << 3) | ||
218 | #define CC_IRQENABLE_FIFO_THR_IRQ (1 << 2) | ||
219 | #define CC_IRQENABLE_FIFO_OF_IRQ (1 << 1) | ||
220 | #define CC_IRQENABLE_FIFO_UF_IRQ (1 << 0) | ||
221 | |||
222 | #define CC_CTRL_CC_ONE_SHOT (1 << 20) | ||
223 | #define CC_CTRL_CC_IF_SYNCHRO (1 << 19) | ||
224 | #define CC_CTRL_CC_RST (1 << 18) | ||
225 | #define CC_CTRL_CC_FRAME_TRIG (1 << 17) | ||
226 | #define CC_CTRL_CC_EN (1 << 16) | ||
227 | #define CC_CTRL_NOBT_SYNCHRO (1 << 13) | ||
228 | #define CC_CTRL_BT_CORRECT (1 << 12) | ||
229 | #define CC_CTRL_PAR_ORDERCAM (1 << 11) | ||
230 | #define CC_CTRL_PAR_CLK_POL (1 << 10) | ||
231 | #define CC_CTRL_NOBT_HS_POL (1 << 9) | ||
232 | #define CC_CTRL_NOBT_VS_POL (1 << 8) | ||
233 | #define CC_CTRL_PAR_MODE (7 << 1) | ||
234 | #define CC_CTRL_PAR_MODE_SHIFT 1 | ||
235 | #define CC_CTRL_PAR_MODE_NOBT8 (0 << 1) | ||
236 | #define CC_CTRL_PAR_MODE_NOBT10 (1 << 1) | ||
237 | #define CC_CTRL_PAR_MODE_NOBT12 (2 << 1) | ||
238 | #define CC_CTRL_PAR_MODE_BT8 (4 << 1) | ||
239 | #define CC_CTRL_PAR_MODE_BT10 (5 << 1) | ||
240 | #define CC_CTRL_PAR_MODE_FIFOTEST (7 << 1) | ||
241 | #define CC_CTRL_CCP_MODE (1 << 0) | ||
242 | |||
243 | #define CC_CTRL_DMA_EN (1 << 8) | ||
244 | #define CC_CTRL_DMA_FIFO_THRESHOLD (0x7F << 0) | ||
245 | #define CC_CTRL_DMA_FIFO_THRESHOLD_SHIFT 0 | ||
246 | |||
247 | #define CC_CTRL_XCLK_DIV (0x1F << 0) | ||
248 | #define CC_CTRL_XCLK_DIV_SHIFT 0 | ||
249 | #define CC_CTRL_XCLK_DIV_STABLE_LOW (0 << 0) | ||
250 | #define CC_CTRL_XCLK_DIV_STABLE_HIGH (1 << 0) | ||
251 | #define CC_CTRL_XCLK_DIV_BYPASS (31 << 0) | ||
252 | |||
253 | #define CC_TEST_FIFO_RD_POINTER (0xFF << 24) | ||
254 | #define CC_TEST_FIFO_RD_POINTER_SHIFT 24 | ||
255 | #define CC_TEST_FIFO_WR_POINTER (0xFF << 16) | ||
256 | #define CC_TEST_FIFO_WR_POINTER_SHIFT 16 | ||
257 | #define CC_TEST_FIFO_LEVEL (0xFF << 8) | ||
258 | #define CC_TEST_FIFO_LEVEL_SHIFT 8 | ||
259 | #define CC_TEST_FIFO_LEVEL_PEAK (0xFF << 0) | ||
260 | #define CC_TEST_FIFO_LEVEL_PEAK_SHIFT 0 | ||
261 | |||
262 | #define CC_GENPAR_FIFO_DEPTH (7 << 0) | ||
263 | #define CC_GENPAR_FIFO_DEPTH_SHIFT 0 | ||
264 | |||
265 | #define CC_CCPDFR_ALPHA (0xFF << 8) | ||
266 | #define CC_CCPDFR_ALPHA_SHIFT 8 | ||
267 | #define CC_CCPDFR_DATAFORMAT (15 << 0) | ||
268 | #define CC_CCPDFR_DATAFORMAT_SHIFT 0 | ||
269 | #define CC_CCPDFR_DATAFORMAT_YUV422BE (0 << 0) | ||
270 | #define CC_CCPDFR_DATAFORMAT_YUV422 (1 << 0) | ||
271 | #define CC_CCPDFR_DATAFORMAT_YUV420 (2 << 0) | ||
272 | #define CC_CCPDFR_DATAFORMAT_RGB444 (4 << 0) | ||
273 | #define CC_CCPDFR_DATAFORMAT_RGB565 (5 << 0) | ||
274 | #define CC_CCPDFR_DATAFORMAT_RGB888NDE (6 << 0) | ||
275 | #define CC_CCPDFR_DATAFORMAT_RGB888 (7 << 0) | ||
276 | #define CC_CCPDFR_DATAFORMAT_RAW8NDE (8 << 0) | ||
277 | #define CC_CCPDFR_DATAFORMAT_RAW8 (9 << 0) | ||
278 | #define CC_CCPDFR_DATAFORMAT_RAW10NDE (10 << 0) | ||
279 | #define CC_CCPDFR_DATAFORMAT_RAW10 (11 << 0) | ||
280 | #define CC_CCPDFR_DATAFORMAT_RAW12NDE (12 << 0) | ||
281 | #define CC_CCPDFR_DATAFORMAT_RAW12 (13 << 0) | ||
282 | #define CC_CCPDFR_DATAFORMAT_JPEG8 (15 << 0) | ||
283 | |||
284 | #define CAMDMA_REVISION_MAJOR (15 << 4) | ||
285 | #define CAMDMA_REVISION_MAJOR_SHIFT 4 | ||
286 | #define CAMDMA_REVISION_MINOR (15 << 0) | ||
287 | #define CAMDMA_REVISION_MINOR_SHIFT 0 | ||
288 | |||
289 | #define CAMDMA_OCP_SYSCONFIG_MIDLEMODE (3 << 12) | ||
290 | #define CAMDMA_OCP_SYSCONFIG_MIDLEMODE_FSTANDBY (0 << 12) | ||
291 | #define CAMDMA_OCP_SYSCONFIG_MIDLEMODE_NSTANDBY (1 << 12) | ||
292 | #define CAMDMA_OCP_SYSCONFIG_MIDLEMODE_SSTANDBY (2 << 12) | ||
293 | #define CAMDMA_OCP_SYSCONFIG_FUNC_CLOCK (1 << 9) | ||
294 | #define CAMDMA_OCP_SYSCONFIG_OCP_CLOCK (1 << 8) | ||
295 | #define CAMDMA_OCP_SYSCONFIG_EMUFREE (1 << 5) | ||
296 | #define CAMDMA_OCP_SYSCONFIG_SIDLEMODE (3 << 3) | ||
297 | #define CAMDMA_OCP_SYSCONFIG_SIDLEMODE_FIDLE (0 << 3) | ||
298 | #define CAMDMA_OCP_SYSCONFIG_SIDLEMODE_NIDLE (1 << 3) | ||
299 | #define CAMDMA_OCP_SYSCONFIG_SIDLEMODE_SIDLE (2 << 3) | ||
300 | #define CAMDMA_OCP_SYSCONFIG_SOFTRESET (1 << 1) | ||
301 | #define CAMDMA_OCP_SYSCONFIG_AUTOIDLE (1 << 0) | ||
302 | |||
303 | #define CAMDMA_SYSSTATUS_RESETDONE (1 << 0) | ||
304 | |||
305 | #define CAMDMA_GCR_ARBITRATION_RATE (0xFF << 16) | ||
306 | #define CAMDMA_GCR_ARBITRATION_RATE_SHIFT 16 | ||
307 | #define CAMDMA_GCR_MAX_CHANNEL_FIFO_DEPTH (0xFF << 0) | ||
308 | #define CAMDMA_GCR_MAX_CHANNEL_FIFO_DEPTH_SHIFT 0 | ||
309 | |||
310 | #define CAMDMA_CCR_SEL_SRC_DST_SYNC (1 << 24) | ||
311 | #define CAMDMA_CCR_PREFETCH (1 << 23) | ||
312 | #define CAMDMA_CCR_SUPERVISOR (1 << 22) | ||
313 | #define CAMDMA_CCR_SECURE (1 << 21) | ||
314 | #define CAMDMA_CCR_BS (1 << 18) | ||
315 | #define CAMDMA_CCR_TRANSPARENT_COPY_ENABLE (1 << 17) | ||
316 | #define CAMDMA_CCR_CONSTANT_FILL_ENABLE (1 << 16) | ||
317 | #define CAMDMA_CCR_DST_AMODE (3 << 14) | ||
318 | #define CAMDMA_CCR_DST_AMODE_CONST_ADDR (0 << 14) | ||
319 | #define CAMDMA_CCR_DST_AMODE_POST_INC (1 << 14) | ||
320 | #define CAMDMA_CCR_DST_AMODE_SGL_IDX (2 << 14) | ||
321 | #define CAMDMA_CCR_DST_AMODE_DBL_IDX (3 << 14) | ||
322 | #define CAMDMA_CCR_SRC_AMODE (3 << 12) | ||
323 | #define CAMDMA_CCR_SRC_AMODE_CONST_ADDR (0 << 12) | ||
324 | #define CAMDMA_CCR_SRC_AMODE_POST_INC (1 << 12) | ||
325 | #define CAMDMA_CCR_SRC_AMODE_SGL_IDX (2 << 12) | ||
326 | #define CAMDMA_CCR_SRC_AMODE_DBL_IDX (3 << 12) | ||
327 | #define CAMDMA_CCR_WR_ACTIVE (1 << 10) | ||
328 | #define CAMDMA_CCR_RD_ACTIVE (1 << 9) | ||
329 | #define CAMDMA_CCR_SUSPEND_SENSITIVE (1 << 8) | ||
330 | #define CAMDMA_CCR_ENABLE (1 << 7) | ||
331 | #define CAMDMA_CCR_PRIO (1 << 6) | ||
332 | #define CAMDMA_CCR_FS (1 << 5) | ||
333 | #define CAMDMA_CCR_SYNCHRO ((3 << 19) | (31 << 0)) | ||
334 | #define CAMDMA_CCR_SYNCHRO_CAMERA 0x01 | ||
335 | |||
336 | #define CAMDMA_CLNK_CTRL_ENABLE_LNK (1 << 15) | ||
337 | #define CAMDMA_CLNK_CTRL_NEXTLCH_ID (0x1F << 0) | ||
338 | #define CAMDMA_CLNK_CTRL_NEXTLCH_ID_SHIFT 0 | ||
339 | |||
340 | #define CAMDMA_CICR_MISALIGNED_ERR_IE (1 << 11) | ||
341 | #define CAMDMA_CICR_SUPERVISOR_ERR_IE (1 << 10) | ||
342 | #define CAMDMA_CICR_SECURE_ERR_IE (1 << 9) | ||
343 | #define CAMDMA_CICR_TRANS_ERR_IE (1 << 8) | ||
344 | #define CAMDMA_CICR_PACKET_IE (1 << 7) | ||
345 | #define CAMDMA_CICR_BLOCK_IE (1 << 5) | ||
346 | #define CAMDMA_CICR_LAST_IE (1 << 4) | ||
347 | #define CAMDMA_CICR_FRAME_IE (1 << 3) | ||
348 | #define CAMDMA_CICR_HALF_IE (1 << 2) | ||
349 | #define CAMDMA_CICR_DROP_IE (1 << 1) | ||
350 | |||
351 | #define CAMDMA_CSR_MISALIGNED_ERR (1 << 11) | ||
352 | #define CAMDMA_CSR_SUPERVISOR_ERR (1 << 10) | ||
353 | #define CAMDMA_CSR_SECURE_ERR (1 << 9) | ||
354 | #define CAMDMA_CSR_TRANS_ERR (1 << 8) | ||
355 | #define CAMDMA_CSR_PACKET (1 << 7) | ||
356 | #define CAMDMA_CSR_SYNC (1 << 6) | ||
357 | #define CAMDMA_CSR_BLOCK (1 << 5) | ||
358 | #define CAMDMA_CSR_LAST (1 << 4) | ||
359 | #define CAMDMA_CSR_FRAME (1 << 3) | ||
360 | #define CAMDMA_CSR_HALF (1 << 2) | ||
361 | #define CAMDMA_CSR_DROP (1 << 1) | ||
362 | |||
363 | #define CAMDMA_CSDP_SRC_ENDIANNESS (1 << 21) | ||
364 | #define CAMDMA_CSDP_SRC_ENDIANNESS_LOCK (1 << 20) | ||
365 | #define CAMDMA_CSDP_DST_ENDIANNESS (1 << 19) | ||
366 | #define CAMDMA_CSDP_DST_ENDIANNESS_LOCK (1 << 18) | ||
367 | #define CAMDMA_CSDP_WRITE_MODE (3 << 16) | ||
368 | #define CAMDMA_CSDP_WRITE_MODE_WRNP (0 << 16) | ||
369 | #define CAMDMA_CSDP_WRITE_MODE_POSTED (1 << 16) | ||
370 | #define CAMDMA_CSDP_WRITE_MODE_POSTED_LAST_WRNP (2 << 16) | ||
371 | #define CAMDMA_CSDP_DST_BURST_EN (3 << 14) | ||
372 | #define CAMDMA_CSDP_DST_BURST_EN_1 (0 << 14) | ||
373 | #define CAMDMA_CSDP_DST_BURST_EN_16 (1 << 14) | ||
374 | #define CAMDMA_CSDP_DST_BURST_EN_32 (2 << 14) | ||
375 | #define CAMDMA_CSDP_DST_BURST_EN_64 (3 << 14) | ||
376 | #define CAMDMA_CSDP_DST_PACKED (1 << 13) | ||
377 | #define CAMDMA_CSDP_WR_ADD_TRSLT (15 << 9) | ||
378 | #define CAMDMA_CSDP_WR_ADD_TRSLT_ENABLE_MREQADD (3 << 9) | ||
379 | #define CAMDMA_CSDP_SRC_BURST_EN (3 << 7) | ||
380 | #define CAMDMA_CSDP_SRC_BURST_EN_1 (0 << 7) | ||
381 | #define CAMDMA_CSDP_SRC_BURST_EN_16 (1 << 7) | ||
382 | #define CAMDMA_CSDP_SRC_BURST_EN_32 (2 << 7) | ||
383 | #define CAMDMA_CSDP_SRC_BURST_EN_64 (3 << 7) | ||
384 | #define CAMDMA_CSDP_SRC_PACKED (1 << 6) | ||
385 | #define CAMDMA_CSDP_RD_ADD_TRSLT (15 << 2) | ||
386 | #define CAMDMA_CSDP_RD_ADD_TRSLT_ENABLE_MREQADD (3 << 2) | ||
387 | #define CAMDMA_CSDP_DATA_TYPE (3 << 0) | ||
388 | #define CAMDMA_CSDP_DATA_TYPE_8BITS (0 << 0) | ||
389 | #define CAMDMA_CSDP_DATA_TYPE_16BITS (1 << 0) | ||
390 | #define CAMDMA_CSDP_DATA_TYPE_32BITS (2 << 0) | ||
391 | |||
392 | #define CAMMMU_SYSCONFIG_AUTOIDLE (1 << 0) | ||
393 | |||
394 | /* | ||
395 | * | ||
396 | * Declarations. | ||
397 | * | ||
398 | */ | ||
399 | |||
400 | /* forward declarations */ | ||
401 | struct omap24xxcam_sgdma; | ||
402 | struct omap24xxcam_dma; | ||
403 | |||
404 | typedef void (*sgdma_callback_t)(struct omap24xxcam_sgdma *cam, | ||
405 | u32 status, void *arg); | ||
406 | typedef void (*dma_callback_t)(struct omap24xxcam_dma *cam, | ||
407 | u32 status, void *arg); | ||
408 | |||
409 | struct channel_state { | ||
410 | dma_callback_t callback; | ||
411 | void *arg; | ||
412 | }; | ||
413 | |||
414 | /* sgdma state for each of the possible videobuf_buffers + 2 overlays */ | ||
415 | struct sgdma_state { | ||
416 | const struct scatterlist *sglist; | ||
417 | int sglen; /* number of sglist entries */ | ||
418 | int next_sglist; /* index of next sglist entry to process */ | ||
419 | unsigned int bytes_read; /* number of bytes read */ | ||
420 | unsigned int len; /* total length of sglist (excluding | ||
421 | * bytes due to page alignment) */ | ||
422 | int queued_sglist; /* number of sglist entries queued for DMA */ | ||
423 | u32 csr; /* DMA return code */ | ||
424 | sgdma_callback_t callback; | ||
425 | void *arg; | ||
426 | }; | ||
427 | |||
428 | /* physical DMA channel management */ | ||
429 | struct omap24xxcam_dma { | ||
430 | spinlock_t lock; /* Lock for the whole structure. */ | ||
431 | |||
432 | unsigned long base; /* base address for dma controller */ | ||
433 | |||
434 | /* While dma_stop!=0, an attempt to start a new DMA transfer will | ||
435 | * fail. | ||
436 | */ | ||
437 | atomic_t dma_stop; | ||
438 | int free_dmach; /* number of dma channels free */ | ||
439 | int next_dmach; /* index of next dma channel to use */ | ||
440 | struct channel_state ch_state[NUM_CAMDMA_CHANNELS]; | ||
441 | }; | ||
442 | |||
443 | /* scatter-gather DMA (scatterlist stuff) management */ | ||
444 | struct omap24xxcam_sgdma { | ||
445 | struct omap24xxcam_dma dma; | ||
446 | |||
447 | spinlock_t lock; /* Lock for the fields below. */ | ||
448 | int free_sgdma; /* number of free sg dma slots */ | ||
449 | int next_sgdma; /* index of next sg dma slot to use */ | ||
450 | struct sgdma_state sg_state[NUM_SG_DMA]; | ||
451 | |||
452 | /* Reset timer data */ | ||
453 | struct timer_list reset_timer; | ||
454 | }; | ||
455 | |||
456 | /* per-device data structure */ | ||
457 | struct omap24xxcam_device { | ||
458 | /*** mutex ***/ | ||
459 | /* | ||
460 | * mutex serialises access to this structure. Also camera | ||
461 | * opening and releasing is synchronised by this. | ||
462 | */ | ||
463 | struct mutex mutex; | ||
464 | |||
465 | /*** general driver state information ***/ | ||
466 | atomic_t users; | ||
467 | /* | ||
468 | * Lock to serialise core enabling and disabling and access to | ||
469 | * sgdma_in_queue. | ||
470 | */ | ||
471 | spinlock_t core_enable_disable_lock; | ||
472 | /* | ||
473 | * Number or sgdma requests in scatter-gather queue, protected | ||
474 | * by the lock above. | ||
475 | */ | ||
476 | int sgdma_in_queue; | ||
477 | /* | ||
478 | * Sensor interface parameters: interface type, CC_CTRL | ||
479 | * register value and interface specific data. | ||
480 | */ | ||
481 | int if_type; | ||
482 | union { | ||
483 | struct parallel { | ||
484 | u32 xclk; | ||
485 | } bt656; | ||
486 | } if_u; | ||
487 | u32 cc_ctrl; | ||
488 | |||
489 | /*** subsystem structures ***/ | ||
490 | struct omap24xxcam_sgdma sgdma; | ||
491 | |||
492 | /*** hardware resources ***/ | ||
493 | unsigned int irq; | ||
494 | unsigned long mmio_base; | ||
495 | unsigned long mmio_base_phys; | ||
496 | unsigned long mmio_size; | ||
497 | |||
498 | /*** interfaces and device ***/ | ||
499 | struct v4l2_int_device *sdev; | ||
500 | struct device *dev; | ||
501 | struct video_device *vfd; | ||
502 | |||
503 | /*** camera and sensor reset related stuff ***/ | ||
504 | struct work_struct sensor_reset_work; | ||
505 | /* | ||
506 | * We're in the middle of a reset. Don't enable core if this | ||
507 | * is non-zero! This exists to help decisionmaking in a case | ||
508 | * where videobuf_qbuf is called while we are in the middle of | ||
509 | * a reset. | ||
510 | */ | ||
511 | atomic_t in_reset; | ||
512 | /* | ||
513 | * Non-zero if we don't want any resets for now. Used to | ||
514 | * prevent reset work to run when we're about to stop | ||
515 | * streaming. | ||
516 | */ | ||
517 | atomic_t reset_disable; | ||
518 | |||
519 | /*** video device parameters ***/ | ||
520 | int capture_mem; | ||
521 | |||
522 | /*** camera module clocks ***/ | ||
523 | struct clk *fck; | ||
524 | struct clk *ick; | ||
525 | |||
526 | /*** capture data ***/ | ||
527 | /* file handle, if streaming is on */ | ||
528 | struct file *streaming; | ||
529 | }; | ||
530 | |||
531 | /* Per-file handle data. */ | ||
532 | struct omap24xxcam_fh { | ||
533 | spinlock_t vbq_lock; /* spinlock for the videobuf queue */ | ||
534 | struct videobuf_queue vbq; | ||
535 | struct v4l2_pix_format pix; /* serialise pix by vbq->lock */ | ||
536 | atomic_t field_count; /* field counter for videobuf_buffer */ | ||
537 | /* accessing cam here doesn't need serialisation: it's constant */ | ||
538 | struct omap24xxcam_device *cam; | ||
539 | }; | ||
540 | |||
541 | /* | ||
542 | * | ||
543 | * Register I/O functions. | ||
544 | * | ||
545 | */ | ||
546 | |||
547 | static inline u32 omap24xxcam_reg_in(unsigned long base, u32 offset) | ||
548 | { | ||
549 | return readl(base + offset); | ||
550 | } | ||
551 | |||
552 | static inline u32 omap24xxcam_reg_out(unsigned long base, u32 offset, | ||
553 | u32 val) | ||
554 | { | ||
555 | writel(val, base + offset); | ||
556 | return val; | ||
557 | } | ||
558 | |||
559 | static inline u32 omap24xxcam_reg_merge(unsigned long base, u32 offset, | ||
560 | u32 val, u32 mask) | ||
561 | { | ||
562 | u32 addr = base + offset; | ||
563 | u32 new_val = (readl(addr) & ~mask) | (val & mask); | ||
564 | |||
565 | writel(new_val, addr); | ||
566 | return new_val; | ||
567 | } | ||
568 | |||
569 | /* | ||
570 | * | ||
571 | * Function prototypes. | ||
572 | * | ||
573 | */ | ||
574 | |||
575 | /* dma prototypes */ | ||
576 | |||
577 | void omap24xxcam_dma_hwinit(struct omap24xxcam_dma *dma); | ||
578 | void omap24xxcam_dma_isr(struct omap24xxcam_dma *dma); | ||
579 | |||
580 | /* sgdma prototypes */ | ||
581 | |||
582 | void omap24xxcam_sgdma_process(struct omap24xxcam_sgdma *sgdma); | ||
583 | int omap24xxcam_sgdma_queue(struct omap24xxcam_sgdma *sgdma, | ||
584 | const struct scatterlist *sglist, int sglen, | ||
585 | int len, sgdma_callback_t callback, void *arg); | ||
586 | void omap24xxcam_sgdma_sync(struct omap24xxcam_sgdma *sgdma); | ||
587 | void omap24xxcam_sgdma_init(struct omap24xxcam_sgdma *sgdma, | ||
588 | unsigned long base, | ||
589 | void (*reset_callback)(unsigned long data), | ||
590 | unsigned long reset_callback_data); | ||
591 | void omap24xxcam_sgdma_exit(struct omap24xxcam_sgdma *sgdma); | ||
592 | |||
593 | #endif | ||