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1da177e4 LT |
1 | /* |
2 | * Motion Eye video4linux driver for Sony Vaio PictureBook | |
3 | * | |
4 | * Copyright (C) 2001-2004 Stelian Pop <stelian@popies.net> | |
5 | * | |
96de0e25 | 6 | * Copyright (C) 2001-2002 AlcĂ´ve <www.alcove.com> |
1da177e4 LT |
7 | * |
8 | * Copyright (C) 2000 Andrew Tridgell <tridge@valinux.com> | |
9 | * | |
10 | * Earlier work by Werner Almesberger, Paul `Rusty' Russell and Paul Mackerras. | |
11 | * | |
12 | * Some parts borrowed from various video4linux drivers, especially | |
13 | * bttv-driver.c and zoran.c, see original files for credits. | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or modify | |
16 | * it under the terms of the GNU General Public License as published by | |
17 | * the Free Software Foundation; either version 2 of the License, or | |
18 | * (at your option) any later version. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
28 | */ | |
1da177e4 LT |
29 | #include <linux/module.h> |
30 | #include <linux/pci.h> | |
1da177e4 LT |
31 | #include <linux/init.h> |
32 | #include <linux/videodev.h> | |
5e87efa3 | 33 | #include <media/v4l2-common.h> |
1da177e4 LT |
34 | #include <asm/uaccess.h> |
35 | #include <asm/io.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/interrupt.h> | |
38 | #include <linux/vmalloc.h> | |
d013a068 | 39 | #include <linux/dma-mapping.h> |
1da177e4 LT |
40 | |
41 | #include "meye.h" | |
42 | #include <linux/meye.h> | |
43 | ||
44 | MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); | |
45 | MODULE_DESCRIPTION("v4l/v4l2 driver for the MotionEye camera"); | |
46 | MODULE_LICENSE("GPL"); | |
47 | MODULE_VERSION(MEYE_DRIVER_VERSION); | |
48 | ||
49 | /* force usage of V4L1 API */ | |
50 | static int forcev4l1; /* = 0 */ | |
51 | module_param(forcev4l1, int, 0644); | |
52 | MODULE_PARM_DESC(forcev4l1, "force use of V4L1 instead of V4L2"); | |
53 | ||
54 | /* number of grab buffers */ | |
55 | static unsigned int gbuffers = 2; | |
56 | module_param(gbuffers, int, 0444); | |
57 | MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)"); | |
58 | ||
59 | /* size of a grab buffer */ | |
60 | static unsigned int gbufsize = MEYE_MAX_BUFSIZE; | |
61 | module_param(gbufsize, int, 0444); | |
62 | MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400" | |
63 | " (will be rounded up to a page multiple)"); | |
64 | ||
65 | /* /dev/videoX registration number */ | |
66 | static int video_nr = -1; | |
67 | module_param(video_nr, int, 0444); | |
68 | MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)"); | |
69 | ||
70 | /* driver structure - only one possible */ | |
71 | static struct meye meye; | |
72 | ||
73 | /****************************************************************************/ | |
74 | /* Memory allocation routines (stolen from bttv-driver.c) */ | |
75 | /****************************************************************************/ | |
76 | static void *rvmalloc(unsigned long size) | |
77 | { | |
78 | void *mem; | |
79 | unsigned long adr; | |
80 | ||
81 | size = PAGE_ALIGN(size); | |
82 | mem = vmalloc_32(size); | |
83 | if (mem) { | |
84 | memset(mem, 0, size); | |
85 | adr = (unsigned long) mem; | |
86 | while (size > 0) { | |
87 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
88 | adr += PAGE_SIZE; | |
89 | size -= PAGE_SIZE; | |
90 | } | |
91 | } | |
92 | return mem; | |
93 | } | |
94 | ||
95 | static void rvfree(void * mem, unsigned long size) | |
96 | { | |
97 | unsigned long adr; | |
98 | ||
99 | if (mem) { | |
100 | adr = (unsigned long) mem; | |
101 | while ((long) size > 0) { | |
102 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
103 | adr += PAGE_SIZE; | |
104 | size -= PAGE_SIZE; | |
105 | } | |
106 | vfree(mem); | |
107 | } | |
108 | } | |
109 | ||
110 | /* | |
111 | * return a page table pointing to N pages of locked memory | |
112 | * | |
113 | * NOTE: The meye device expects DMA addresses on 32 bits, we build | |
114 | * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes. | |
115 | */ | |
116 | static int ptable_alloc(void) | |
117 | { | |
118 | u32 *pt; | |
119 | int i; | |
120 | ||
121 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
122 | ||
123 | /* give only 32 bit DMA addresses */ | |
d013a068 | 124 | if (dma_set_mask(&meye.mchip_dev->dev, DMA_32BIT_MASK)) |
1da177e4 LT |
125 | return -1; |
126 | ||
127 | meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev, | |
128 | PAGE_SIZE, | |
129 | &meye.mchip_dmahandle, | |
130 | GFP_KERNEL); | |
131 | if (!meye.mchip_ptable_toc) { | |
132 | meye.mchip_dmahandle = 0; | |
133 | return -1; | |
134 | } | |
135 | ||
136 | pt = meye.mchip_ptable_toc; | |
137 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
138 | dma_addr_t dma; | |
139 | meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev, | |
140 | PAGE_SIZE, | |
141 | &dma, | |
142 | GFP_KERNEL); | |
143 | if (!meye.mchip_ptable[i]) { | |
144 | int j; | |
145 | pt = meye.mchip_ptable_toc; | |
146 | for (j = 0; j < i; ++j) { | |
147 | dma = (dma_addr_t) *pt; | |
148 | dma_free_coherent(&meye.mchip_dev->dev, | |
149 | PAGE_SIZE, | |
150 | meye.mchip_ptable[j], dma); | |
151 | pt++; | |
152 | } | |
153 | dma_free_coherent(&meye.mchip_dev->dev, | |
154 | PAGE_SIZE, | |
155 | meye.mchip_ptable_toc, | |
156 | meye.mchip_dmahandle); | |
157 | meye.mchip_ptable_toc = NULL; | |
158 | meye.mchip_dmahandle = 0; | |
159 | return -1; | |
160 | } | |
161 | *pt = (u32) dma; | |
162 | pt++; | |
163 | } | |
164 | return 0; | |
165 | } | |
166 | ||
167 | static void ptable_free(void) | |
168 | { | |
169 | u32 *pt; | |
170 | int i; | |
171 | ||
172 | pt = meye.mchip_ptable_toc; | |
173 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
174 | dma_addr_t dma = (dma_addr_t) *pt; | |
175 | if (meye.mchip_ptable[i]) | |
176 | dma_free_coherent(&meye.mchip_dev->dev, | |
177 | PAGE_SIZE, | |
178 | meye.mchip_ptable[i], dma); | |
179 | pt++; | |
180 | } | |
181 | ||
182 | if (meye.mchip_ptable_toc) | |
183 | dma_free_coherent(&meye.mchip_dev->dev, | |
184 | PAGE_SIZE, | |
185 | meye.mchip_ptable_toc, | |
186 | meye.mchip_dmahandle); | |
187 | ||
188 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
189 | meye.mchip_ptable_toc = NULL; | |
190 | meye.mchip_dmahandle = 0; | |
191 | } | |
192 | ||
193 | /* copy data from ptable into buf */ | |
194 | static void ptable_copy(u8 *buf, int start, int size, int pt_pages) | |
195 | { | |
196 | int i; | |
197 | ||
198 | for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) { | |
199 | memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE); | |
200 | if (start >= pt_pages) | |
201 | start = 0; | |
202 | } | |
203 | memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE); | |
204 | } | |
205 | ||
206 | /****************************************************************************/ | |
207 | /* JPEG tables at different qualities to load into the VRJ chip */ | |
208 | /****************************************************************************/ | |
209 | ||
210 | /* return a set of quantisation tables based on a quality from 1 to 10 */ | |
211 | static u16 *jpeg_quantisation_tables(int *length, int quality) | |
212 | { | |
213 | static u16 jpeg_tables[][70] = { { | |
214 | 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
215 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
216 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
217 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
218 | 0xffff, 0xffff, 0xffff, | |
219 | 0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
220 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
221 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
222 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
223 | 0xffff, 0xffff, 0xffff, | |
224 | }, | |
225 | { | |
226 | 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46, | |
227 | 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8, | |
228 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
229 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
230 | 0xffff, 0xffff, 0xffff, | |
231 | 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb, | |
232 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
233 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
234 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
235 | 0xffff, 0xffff, 0xffff, | |
236 | }, | |
237 | { | |
238 | 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23, | |
239 | 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164, | |
240 | 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad, | |
241 | 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff, | |
242 | 0xe6ff, 0xfffd, 0xfff8, | |
243 | 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876, | |
244 | 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
245 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
246 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
247 | 0xf8f8, 0xf8f8, 0xfff8, | |
248 | }, | |
249 | { | |
250 | 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17, | |
251 | 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042, | |
252 | 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73, | |
253 | 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba, | |
254 | 0x99c7, 0xaba8, 0xffa4, | |
255 | 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e, | |
256 | 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
257 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
258 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
259 | 0xa4a4, 0xa4a4, 0xffa4, | |
260 | }, | |
261 | { | |
262 | 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712, | |
263 | 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932, | |
264 | 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556, | |
265 | 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c, | |
266 | 0x7396, 0x817e, 0xff7c, | |
267 | 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b, | |
268 | 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
269 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
270 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
271 | 0x7c7c, 0x7c7c, 0xff7c, | |
272 | }, | |
273 | { | |
274 | 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e, | |
275 | 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28, | |
276 | 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745, | |
277 | 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470, | |
278 | 0x5c78, 0x6765, 0xff63, | |
279 | 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f, | |
280 | 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
281 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
282 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
283 | 0x6363, 0x6363, 0xff63, | |
284 | }, | |
285 | { | |
286 | 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b, | |
287 | 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20, | |
288 | 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37, | |
289 | 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a, | |
290 | 0x4a60, 0x5251, 0xff4f, | |
291 | 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26, | |
292 | 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
293 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
294 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
295 | 0x4f4f, 0x4f4f, 0xff4f, | |
296 | }, | |
297 | { | |
298 | 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08, | |
299 | 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318, | |
300 | 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129, | |
301 | 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43, | |
302 | 0x3748, 0x3e3d, 0xff3b, | |
303 | 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c, | |
304 | 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
305 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
306 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
307 | 0x3b3b, 0x3b3b, 0xff3b, | |
308 | }, | |
309 | { | |
310 | 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706, | |
311 | 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710, | |
312 | 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c, | |
313 | 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d, | |
314 | 0x2530, 0x2928, 0xff28, | |
315 | 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813, | |
316 | 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
317 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
318 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
319 | 0x2828, 0x2828, 0xff28, | |
320 | }, | |
321 | { | |
322 | 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403, | |
323 | 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08, | |
324 | 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e, | |
325 | 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416, | |
326 | 0x1218, 0x1514, 0xff14, | |
327 | 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409, | |
328 | 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
329 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
330 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
331 | 0x1414, 0x1414, 0xff14, | |
332 | }, | |
333 | { | |
334 | 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
335 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
336 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
337 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
338 | 0x0101, 0x0101, 0xff01, | |
339 | 0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
340 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
341 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
342 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
343 | 0x0101, 0x0101, 0xff01, | |
344 | } }; | |
345 | ||
346 | if (quality < 0 || quality > 10) { | |
347 | printk(KERN_WARNING | |
348 | "meye: invalid quality level %d - using 8\n", quality); | |
349 | quality = 8; | |
350 | } | |
351 | ||
352 | *length = ARRAY_SIZE(jpeg_tables[quality]); | |
353 | return jpeg_tables[quality]; | |
354 | } | |
355 | ||
356 | /* return a generic set of huffman tables */ | |
357 | static u16 *jpeg_huffman_tables(int *length) | |
358 | { | |
359 | static u16 tables[] = { | |
360 | 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405, | |
361 | 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131, | |
362 | 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142, | |
363 | 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918, | |
364 | 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443, | |
365 | 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463, | |
366 | 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483, | |
367 | 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A, | |
368 | 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8, | |
369 | 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6, | |
370 | 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2, | |
371 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
372 | 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405, | |
373 | 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206, | |
374 | 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1, | |
375 | 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125, | |
376 | 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A, | |
377 | 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A, | |
378 | 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A, | |
379 | 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, | |
380 | 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, | |
381 | 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, | |
382 | 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2, | |
383 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
384 | 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000, | |
385 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
386 | 0xFF0B, | |
387 | 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101, | |
388 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
389 | 0xFF0B | |
390 | }; | |
391 | ||
392 | *length = ARRAY_SIZE(tables); | |
393 | return tables; | |
394 | } | |
395 | ||
396 | /****************************************************************************/ | |
397 | /* MCHIP low-level functions */ | |
398 | /****************************************************************************/ | |
399 | ||
400 | /* returns the horizontal capture size */ | |
401 | static inline int mchip_hsize(void) | |
402 | { | |
403 | return meye.params.subsample ? 320 : 640; | |
404 | } | |
405 | ||
406 | /* returns the vertical capture size */ | |
407 | static inline int mchip_vsize(void) | |
408 | { | |
409 | return meye.params.subsample ? 240 : 480; | |
410 | } | |
411 | ||
412 | /* waits for a register to be available */ | |
413 | static void mchip_sync(int reg) | |
414 | { | |
415 | u32 status; | |
416 | int i; | |
417 | ||
418 | if (reg == MCHIP_MM_FIFO_DATA) { | |
419 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
420 | status = readl(meye.mchip_mmregs + | |
421 | MCHIP_MM_FIFO_STATUS); | |
422 | if (!(status & MCHIP_MM_FIFO_WAIT)) { | |
423 | printk(KERN_WARNING "meye: fifo not ready\n"); | |
424 | return; | |
425 | } | |
426 | if (status & MCHIP_MM_FIFO_READY) | |
427 | return; | |
428 | udelay(1); | |
429 | } | |
430 | } else if (reg > 0x80) { | |
431 | u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY | |
432 | : MCHIP_HIC_STATUS_VRJ_RDY; | |
433 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
434 | status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS); | |
435 | if (status & mask) | |
436 | return; | |
437 | udelay(1); | |
438 | } | |
439 | } else | |
440 | return; | |
441 | printk(KERN_WARNING | |
442 | "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n", | |
443 | reg, status); | |
444 | } | |
445 | ||
446 | /* sets a value into the register */ | |
447 | static inline void mchip_set(int reg, u32 v) | |
448 | { | |
449 | mchip_sync(reg); | |
450 | writel(v, meye.mchip_mmregs + reg); | |
451 | } | |
452 | ||
453 | /* get the register value */ | |
454 | static inline u32 mchip_read(int reg) | |
455 | { | |
456 | mchip_sync(reg); | |
457 | return readl(meye.mchip_mmregs + reg); | |
458 | } | |
459 | ||
460 | /* wait for a register to become a particular value */ | |
461 | static inline int mchip_delay(u32 reg, u32 v) | |
462 | { | |
463 | int n = 10; | |
464 | while (--n && mchip_read(reg) != v) | |
465 | udelay(1); | |
466 | return n; | |
467 | } | |
468 | ||
469 | /* setup subsampling */ | |
470 | static void mchip_subsample(void) | |
471 | { | |
472 | mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample); | |
473 | mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize()); | |
474 | mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize()); | |
475 | mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize()); | |
476 | mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize()); | |
477 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
478 | } | |
479 | ||
480 | /* set the framerate into the mchip */ | |
481 | static void mchip_set_framerate(void) | |
482 | { | |
483 | mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate); | |
484 | } | |
485 | ||
486 | /* load some huffman and quantisation tables into the VRJ chip ready | |
487 | for JPEG compression */ | |
488 | static void mchip_load_tables(void) | |
489 | { | |
490 | int i; | |
491 | int length; | |
492 | u16 *tables; | |
493 | ||
494 | tables = jpeg_huffman_tables(&length); | |
495 | for (i = 0; i < length; i++) | |
496 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
497 | ||
498 | tables = jpeg_quantisation_tables(&length, meye.params.quality); | |
499 | for (i = 0; i < length; i++) | |
500 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
501 | } | |
502 | ||
503 | /* setup the VRJ parameters in the chip */ | |
504 | static void mchip_vrj_setup(u8 mode) | |
505 | { | |
506 | mchip_set(MCHIP_VRJ_BUS_MODE, 5); | |
507 | mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f); | |
508 | mchip_set(MCHIP_VRJ_PDAT_USE, 1); | |
509 | mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0); | |
510 | mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode); | |
511 | mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize()); | |
512 | mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize()); | |
513 | mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b); | |
514 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF); | |
515 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF); | |
516 | mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC); | |
517 | mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0); | |
518 | mchip_set(MCHIP_VRJ_SOF1, 0x601); | |
519 | mchip_set(MCHIP_VRJ_SOF2, 0x1502); | |
520 | mchip_set(MCHIP_VRJ_SOF3, 0x1503); | |
521 | mchip_set(MCHIP_VRJ_SOF4, 0x1596); | |
522 | mchip_set(MCHIP_VRJ_SOS, 0x0ed0); | |
523 | ||
524 | mchip_load_tables(); | |
525 | } | |
526 | ||
527 | /* sets the DMA parameters into the chip */ | |
528 | static void mchip_dma_setup(dma_addr_t dma_addr) | |
529 | { | |
530 | int i; | |
531 | ||
532 | mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr); | |
533 | for (i = 0; i < 4; i++) | |
534 | mchip_set(MCHIP_MM_FIR(i), 0); | |
535 | meye.mchip_fnum = 0; | |
536 | } | |
537 | ||
538 | /* setup for DMA transfers - also zeros the framebuffer */ | |
539 | static int mchip_dma_alloc(void) | |
540 | { | |
541 | if (!meye.mchip_dmahandle) | |
542 | if (ptable_alloc()) | |
543 | return -1; | |
544 | return 0; | |
545 | } | |
546 | ||
547 | /* frees the DMA buffer */ | |
548 | static void mchip_dma_free(void) | |
549 | { | |
550 | if (meye.mchip_dmahandle) { | |
551 | mchip_dma_setup(0); | |
552 | ptable_free(); | |
553 | } | |
554 | } | |
555 | ||
556 | /* stop any existing HIC action and wait for any dma to complete then | |
557 | reset the dma engine */ | |
558 | static void mchip_hic_stop(void) | |
559 | { | |
560 | int i, j; | |
561 | ||
562 | meye.mchip_mode = MCHIP_HIC_MODE_NOOP; | |
563 | if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY)) | |
564 | return; | |
565 | for (i = 0; i < 20; ++i) { | |
566 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP); | |
567 | mchip_delay(MCHIP_HIC_CMD, 0); | |
568 | for (j = 0; j < 100; ++j) { | |
569 | if (mchip_delay(MCHIP_HIC_STATUS, | |
570 | MCHIP_HIC_STATUS_IDLE)) | |
571 | return; | |
572 | msleep(1); | |
573 | } | |
574 | printk(KERN_ERR "meye: need to reset HIC!\n"); | |
575 | ||
576 | mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET); | |
577 | msleep(250); | |
578 | } | |
579 | printk(KERN_ERR "meye: resetting HIC hanged!\n"); | |
580 | } | |
581 | ||
582 | /****************************************************************************/ | |
583 | /* MCHIP frame processing functions */ | |
584 | /****************************************************************************/ | |
585 | ||
586 | /* get the next ready frame from the dma engine */ | |
587 | static u32 mchip_get_frame(void) | |
588 | { | |
589 | u32 v; | |
590 | ||
591 | v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); | |
592 | return v; | |
593 | } | |
594 | ||
595 | /* frees the current frame from the dma engine */ | |
596 | static void mchip_free_frame(void) | |
597 | { | |
598 | mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0); | |
599 | meye.mchip_fnum++; | |
600 | meye.mchip_fnum %= 4; | |
601 | } | |
602 | ||
603 | /* read one frame from the framebuffer assuming it was captured using | |
604 | a uncompressed transfer */ | |
605 | static void mchip_cont_read_frame(u32 v, u8 *buf, int size) | |
606 | { | |
607 | int pt_id; | |
608 | ||
609 | pt_id = (v >> 17) & 0x3FF; | |
610 | ||
611 | ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES); | |
612 | } | |
613 | ||
614 | /* read a compressed frame from the framebuffer */ | |
615 | static int mchip_comp_read_frame(u32 v, u8 *buf, int size) | |
616 | { | |
617 | int pt_start, pt_end, trailer; | |
618 | int fsize; | |
619 | int i; | |
620 | ||
621 | pt_start = (v >> 19) & 0xFF; | |
622 | pt_end = (v >> 11) & 0xFF; | |
623 | trailer = (v >> 1) & 0x3FF; | |
624 | ||
625 | if (pt_end < pt_start) | |
626 | fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE + | |
627 | pt_end * PAGE_SIZE + trailer * 4; | |
628 | else | |
629 | fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4; | |
630 | ||
631 | if (fsize > size) { | |
632 | printk(KERN_WARNING "meye: oversized compressed frame %d\n", | |
633 | fsize); | |
634 | return -1; | |
635 | } | |
636 | ||
637 | ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG); | |
638 | ||
639 | #ifdef MEYE_JPEG_CORRECTION | |
640 | ||
641 | /* Some mchip generated jpeg frames are incorrect. In most | |
642 | * (all ?) of those cases, the final EOI (0xff 0xd9) marker | |
643 | * is not present at the end of the frame. | |
644 | * | |
645 | * Since adding the final marker is not enough to restore | |
646 | * the jpeg integrity, we drop the frame. | |
647 | */ | |
648 | ||
649 | for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ; | |
650 | ||
651 | if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9) | |
652 | return -1; | |
653 | ||
654 | #endif | |
655 | ||
656 | return fsize; | |
657 | } | |
658 | ||
659 | /* take a picture into SDRAM */ | |
660 | static void mchip_take_picture(void) | |
661 | { | |
662 | int i; | |
663 | ||
664 | mchip_hic_stop(); | |
665 | mchip_subsample(); | |
666 | mchip_dma_setup(meye.mchip_dmahandle); | |
667 | ||
668 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP); | |
669 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
670 | ||
671 | mchip_delay(MCHIP_HIC_CMD, 0); | |
672 | ||
673 | for (i = 0; i < 100; ++i) { | |
674 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
675 | break; | |
676 | msleep(1); | |
677 | } | |
678 | } | |
679 | ||
680 | /* dma a previously taken picture into a buffer */ | |
681 | static void mchip_get_picture(u8 *buf, int bufsize) | |
682 | { | |
683 | u32 v; | |
684 | int i; | |
685 | ||
686 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT); | |
687 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
688 | ||
689 | mchip_delay(MCHIP_HIC_CMD, 0); | |
690 | for (i = 0; i < 100; ++i) { | |
691 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
692 | break; | |
693 | msleep(1); | |
694 | } | |
695 | for (i = 0; i < 4; ++i) { | |
696 | v = mchip_get_frame(); | |
697 | if (v & MCHIP_MM_FIR_RDY) { | |
698 | mchip_cont_read_frame(v, buf, bufsize); | |
699 | break; | |
700 | } | |
701 | mchip_free_frame(); | |
702 | } | |
703 | } | |
704 | ||
705 | /* start continuous dma capture */ | |
706 | static void mchip_continuous_start(void) | |
707 | { | |
708 | mchip_hic_stop(); | |
709 | mchip_subsample(); | |
710 | mchip_set_framerate(); | |
711 | mchip_dma_setup(meye.mchip_dmahandle); | |
712 | ||
713 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
714 | ||
715 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT); | |
716 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
717 | ||
718 | mchip_delay(MCHIP_HIC_CMD, 0); | |
719 | } | |
720 | ||
721 | /* compress one frame into a buffer */ | |
722 | static int mchip_compress_frame(u8 *buf, int bufsize) | |
723 | { | |
724 | u32 v; | |
725 | int len = -1, i; | |
726 | ||
727 | mchip_vrj_setup(0x3f); | |
728 | udelay(50); | |
729 | ||
730 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP); | |
731 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
732 | ||
733 | mchip_delay(MCHIP_HIC_CMD, 0); | |
734 | for (i = 0; i < 100; ++i) { | |
735 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
736 | break; | |
737 | msleep(1); | |
738 | } | |
739 | ||
740 | for (i = 0; i < 4; ++i) { | |
741 | v = mchip_get_frame(); | |
742 | if (v & MCHIP_MM_FIR_RDY) { | |
743 | len = mchip_comp_read_frame(v, buf, bufsize); | |
744 | break; | |
745 | } | |
746 | mchip_free_frame(); | |
747 | } | |
748 | return len; | |
749 | } | |
750 | ||
751 | #if 0 | |
752 | /* uncompress one image into a buffer */ | |
753 | static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize) | |
754 | { | |
755 | mchip_vrj_setup(0x3f); | |
756 | udelay(50); | |
757 | ||
758 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP); | |
759 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
760 | ||
761 | mchip_delay(MCHIP_HIC_CMD, 0); | |
762 | ||
763 | return mchip_comp_read_frame(buf, bufsize); | |
764 | } | |
765 | #endif | |
766 | ||
767 | /* start continuous compressed capture */ | |
768 | static void mchip_cont_compression_start(void) | |
769 | { | |
770 | mchip_hic_stop(); | |
771 | mchip_vrj_setup(0x3f); | |
772 | mchip_subsample(); | |
773 | mchip_set_framerate(); | |
774 | mchip_dma_setup(meye.mchip_dmahandle); | |
775 | ||
776 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
777 | ||
778 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP); | |
779 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
780 | ||
781 | mchip_delay(MCHIP_HIC_CMD, 0); | |
782 | } | |
783 | ||
784 | /****************************************************************************/ | |
785 | /* Interrupt handling */ | |
786 | /****************************************************************************/ | |
787 | ||
7d12e780 | 788 | static irqreturn_t meye_irq(int irq, void *dev_id) |
1da177e4 LT |
789 | { |
790 | u32 v; | |
791 | int reqnr; | |
ff699e6b | 792 | static int sequence; |
1da177e4 LT |
793 | |
794 | v = mchip_read(MCHIP_MM_INTA); | |
795 | ||
796 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT && | |
797 | meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) | |
798 | return IRQ_NONE; | |
799 | ||
800 | again: | |
801 | v = mchip_get_frame(); | |
802 | if (!(v & MCHIP_MM_FIR_RDY)) | |
803 | return IRQ_HANDLED; | |
804 | ||
805 | if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) { | |
806 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
807 | sizeof(int)) != sizeof(int)) { | |
808 | mchip_free_frame(); | |
809 | return IRQ_HANDLED; | |
810 | } | |
811 | mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr, | |
812 | mchip_hsize() * mchip_vsize() * 2); | |
813 | meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2; | |
814 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
815 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
816 | meye.grab_buffer[reqnr].sequence = sequence++; | |
817 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
818 | wake_up_interruptible(&meye.proc_list); | |
819 | } else { | |
820 | int size; | |
821 | size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize); | |
822 | if (size == -1) { | |
823 | mchip_free_frame(); | |
824 | goto again; | |
825 | } | |
826 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
827 | sizeof(int)) != sizeof(int)) { | |
828 | mchip_free_frame(); | |
829 | goto again; | |
830 | } | |
831 | memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp, | |
832 | size); | |
833 | meye.grab_buffer[reqnr].size = size; | |
834 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
835 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
836 | meye.grab_buffer[reqnr].sequence = sequence++; | |
837 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
838 | wake_up_interruptible(&meye.proc_list); | |
839 | } | |
840 | mchip_free_frame(); | |
841 | goto again; | |
842 | } | |
843 | ||
844 | /****************************************************************************/ | |
845 | /* video4linux integration */ | |
846 | /****************************************************************************/ | |
847 | ||
848 | static int meye_open(struct inode *inode, struct file *file) | |
849 | { | |
850 | int i, err; | |
851 | ||
852 | err = video_exclusive_open(inode, file); | |
853 | if (err < 0) | |
854 | return err; | |
855 | ||
856 | mchip_hic_stop(); | |
857 | ||
858 | if (mchip_dma_alloc()) { | |
859 | printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); | |
860 | video_exclusive_release(inode, file); | |
861 | return -ENOBUFS; | |
862 | } | |
863 | ||
864 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
865 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
866 | kfifo_reset(meye.grabq); | |
867 | kfifo_reset(meye.doneq); | |
868 | return 0; | |
869 | } | |
870 | ||
871 | static int meye_release(struct inode *inode, struct file *file) | |
872 | { | |
873 | mchip_hic_stop(); | |
874 | mchip_dma_free(); | |
875 | video_exclusive_release(inode, file); | |
876 | return 0; | |
877 | } | |
878 | ||
879 | static int meye_do_ioctl(struct inode *inode, struct file *file, | |
880 | unsigned int cmd, void *arg) | |
881 | { | |
882 | switch (cmd) { | |
883 | ||
884 | case VIDIOCGCAP: { | |
885 | struct video_capability *b = arg; | |
886 | strcpy(b->name,meye.video_dev->name); | |
887 | b->type = VID_TYPE_CAPTURE; | |
888 | b->channels = 1; | |
889 | b->audios = 0; | |
890 | b->maxwidth = 640; | |
891 | b->maxheight = 480; | |
892 | b->minwidth = 320; | |
893 | b->minheight = 240; | |
894 | break; | |
895 | } | |
896 | ||
897 | case VIDIOCGCHAN: { | |
898 | struct video_channel *v = arg; | |
899 | v->flags = 0; | |
900 | v->tuners = 0; | |
901 | v->type = VIDEO_TYPE_CAMERA; | |
902 | if (v->channel != 0) | |
903 | return -EINVAL; | |
904 | strcpy(v->name,"Camera"); | |
905 | break; | |
906 | } | |
907 | ||
908 | case VIDIOCSCHAN: { | |
909 | struct video_channel *v = arg; | |
910 | if (v->channel != 0) | |
911 | return -EINVAL; | |
912 | break; | |
913 | } | |
914 | ||
915 | case VIDIOCGPICT: { | |
916 | struct video_picture *p = arg; | |
917 | *p = meye.picture; | |
918 | break; | |
919 | } | |
920 | ||
921 | case VIDIOCSPICT: { | |
922 | struct video_picture *p = arg; | |
923 | if (p->depth != 16) | |
924 | return -EINVAL; | |
2485eb0a | 925 | if (p->palette != VIDEO_PALETTE_YUV422 && p->palette != VIDEO_PALETTE_YUYV) |
1da177e4 | 926 | return -EINVAL; |
3593cab5 | 927 | mutex_lock(&meye.lock); |
cbefb762 | 928 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, |
1da177e4 | 929 | p->brightness >> 10); |
cbefb762 | 930 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, |
1da177e4 | 931 | p->hue >> 10); |
cbefb762 | 932 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, |
1da177e4 | 933 | p->colour >> 10); |
cbefb762 | 934 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, |
1da177e4 LT |
935 | p->contrast >> 10); |
936 | meye.picture = *p; | |
3593cab5 | 937 | mutex_unlock(&meye.lock); |
1da177e4 LT |
938 | break; |
939 | } | |
940 | ||
941 | case VIDIOCSYNC: { | |
942 | int *i = arg; | |
943 | int unused; | |
944 | ||
945 | if (*i < 0 || *i >= gbuffers) | |
946 | return -EINVAL; | |
947 | ||
3593cab5 | 948 | mutex_lock(&meye.lock); |
1da177e4 LT |
949 | |
950 | switch (meye.grab_buffer[*i].state) { | |
951 | ||
952 | case MEYE_BUF_UNUSED: | |
3593cab5 | 953 | mutex_unlock(&meye.lock); |
1da177e4 LT |
954 | return -EINVAL; |
955 | case MEYE_BUF_USING: | |
956 | if (file->f_flags & O_NONBLOCK) { | |
3593cab5 | 957 | mutex_unlock(&meye.lock); |
1da177e4 LT |
958 | return -EAGAIN; |
959 | } | |
960 | if (wait_event_interruptible(meye.proc_list, | |
961 | (meye.grab_buffer[*i].state != MEYE_BUF_USING))) { | |
3593cab5 | 962 | mutex_unlock(&meye.lock); |
1da177e4 LT |
963 | return -EINTR; |
964 | } | |
965 | /* fall through */ | |
966 | case MEYE_BUF_DONE: | |
967 | meye.grab_buffer[*i].state = MEYE_BUF_UNUSED; | |
968 | kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int)); | |
969 | } | |
3593cab5 | 970 | mutex_unlock(&meye.lock); |
1da177e4 LT |
971 | break; |
972 | } | |
973 | ||
974 | case VIDIOCMCAPTURE: { | |
975 | struct video_mmap *vm = arg; | |
976 | int restart = 0; | |
977 | ||
978 | if (vm->frame >= gbuffers || vm->frame < 0) | |
979 | return -EINVAL; | |
2485eb0a | 980 | if (vm->format != VIDEO_PALETTE_YUV422 && vm->format != VIDEO_PALETTE_YUYV) |
1da177e4 LT |
981 | return -EINVAL; |
982 | if (vm->height * vm->width * 2 > gbufsize) | |
983 | return -EINVAL; | |
984 | if (!meye.grab_fbuffer) | |
985 | return -EINVAL; | |
986 | if (meye.grab_buffer[vm->frame].state != MEYE_BUF_UNUSED) | |
987 | return -EBUSY; | |
988 | ||
3593cab5 | 989 | mutex_lock(&meye.lock); |
1da177e4 LT |
990 | if (vm->width == 640 && vm->height == 480) { |
991 | if (meye.params.subsample) { | |
992 | meye.params.subsample = 0; | |
993 | restart = 1; | |
994 | } | |
995 | } else if (vm->width == 320 && vm->height == 240) { | |
996 | if (!meye.params.subsample) { | |
997 | meye.params.subsample = 1; | |
998 | restart = 1; | |
999 | } | |
1000 | } else { | |
3593cab5 | 1001 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1002 | return -EINVAL; |
1003 | } | |
1004 | ||
1005 | if (restart || meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT) | |
1006 | mchip_continuous_start(); | |
1007 | meye.grab_buffer[vm->frame].state = MEYE_BUF_USING; | |
1008 | kfifo_put(meye.grabq, (unsigned char *)&vm->frame, sizeof(int)); | |
3593cab5 | 1009 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1010 | break; |
1011 | } | |
1012 | ||
1013 | case VIDIOCGMBUF: { | |
1014 | struct video_mbuf *vm = arg; | |
1015 | int i; | |
1016 | ||
1017 | memset(vm, 0 , sizeof(*vm)); | |
1018 | vm->size = gbufsize * gbuffers; | |
1019 | vm->frames = gbuffers; | |
1020 | for (i = 0; i < gbuffers; i++) | |
1021 | vm->offsets[i] = i * gbufsize; | |
1022 | break; | |
1023 | } | |
1024 | ||
1025 | case MEYEIOC_G_PARAMS: { | |
1026 | struct meye_params *p = arg; | |
1027 | *p = meye.params; | |
1028 | break; | |
1029 | } | |
1030 | ||
1031 | case MEYEIOC_S_PARAMS: { | |
1032 | struct meye_params *jp = arg; | |
1033 | if (jp->subsample > 1) | |
1034 | return -EINVAL; | |
1035 | if (jp->quality > 10) | |
1036 | return -EINVAL; | |
1037 | if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63) | |
1038 | return -EINVAL; | |
1039 | if (jp->framerate > 31) | |
1040 | return -EINVAL; | |
3593cab5 | 1041 | mutex_lock(&meye.lock); |
1da177e4 LT |
1042 | if (meye.params.subsample != jp->subsample || |
1043 | meye.params.quality != jp->quality) | |
1044 | mchip_hic_stop(); /* need restart */ | |
1045 | meye.params = *jp; | |
cbefb762 | 1046 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, |
1da177e4 | 1047 | meye.params.sharpness); |
cbefb762 | 1048 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, |
1da177e4 | 1049 | meye.params.agc); |
cbefb762 | 1050 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, |
1da177e4 | 1051 | meye.params.picture); |
3593cab5 | 1052 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1053 | break; |
1054 | } | |
1055 | ||
1056 | case MEYEIOC_QBUF_CAPT: { | |
1057 | int *nb = arg; | |
1058 | ||
1059 | if (!meye.grab_fbuffer) | |
1060 | return -EINVAL; | |
1061 | if (*nb >= gbuffers) | |
1062 | return -EINVAL; | |
1063 | if (*nb < 0) { | |
1064 | /* stop capture */ | |
1065 | mchip_hic_stop(); | |
1066 | return 0; | |
1067 | } | |
1068 | if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED) | |
1069 | return -EBUSY; | |
3593cab5 | 1070 | mutex_lock(&meye.lock); |
1da177e4 LT |
1071 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) |
1072 | mchip_cont_compression_start(); | |
1073 | meye.grab_buffer[*nb].state = MEYE_BUF_USING; | |
1074 | kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int)); | |
3593cab5 | 1075 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1076 | break; |
1077 | } | |
1078 | ||
1079 | case MEYEIOC_SYNC: { | |
1080 | int *i = arg; | |
1081 | int unused; | |
1082 | ||
1083 | if (*i < 0 || *i >= gbuffers) | |
1084 | return -EINVAL; | |
1085 | ||
3593cab5 | 1086 | mutex_lock(&meye.lock); |
1da177e4 LT |
1087 | switch (meye.grab_buffer[*i].state) { |
1088 | ||
1089 | case MEYE_BUF_UNUSED: | |
3593cab5 | 1090 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1091 | return -EINVAL; |
1092 | case MEYE_BUF_USING: | |
1093 | if (file->f_flags & O_NONBLOCK) { | |
3593cab5 | 1094 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1095 | return -EAGAIN; |
1096 | } | |
1097 | if (wait_event_interruptible(meye.proc_list, | |
1098 | (meye.grab_buffer[*i].state != MEYE_BUF_USING))) { | |
3593cab5 | 1099 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1100 | return -EINTR; |
1101 | } | |
1102 | /* fall through */ | |
1103 | case MEYE_BUF_DONE: | |
1104 | meye.grab_buffer[*i].state = MEYE_BUF_UNUSED; | |
1105 | kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int)); | |
1106 | } | |
1107 | *i = meye.grab_buffer[*i].size; | |
3593cab5 | 1108 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1109 | break; |
1110 | } | |
1111 | ||
1112 | case MEYEIOC_STILLCAPT: { | |
1113 | ||
1114 | if (!meye.grab_fbuffer) | |
1115 | return -EINVAL; | |
1116 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1117 | return -EBUSY; | |
3593cab5 | 1118 | mutex_lock(&meye.lock); |
1da177e4 LT |
1119 | meye.grab_buffer[0].state = MEYE_BUF_USING; |
1120 | mchip_take_picture(); | |
1121 | mchip_get_picture( | |
1122 | meye.grab_fbuffer, | |
1123 | mchip_hsize() * mchip_vsize() * 2); | |
1124 | meye.grab_buffer[0].state = MEYE_BUF_DONE; | |
3593cab5 | 1125 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1126 | break; |
1127 | } | |
1128 | ||
1129 | case MEYEIOC_STILLJCAPT: { | |
1130 | int *len = arg; | |
1131 | ||
1132 | if (!meye.grab_fbuffer) | |
1133 | return -EINVAL; | |
1134 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1135 | return -EBUSY; | |
3593cab5 | 1136 | mutex_lock(&meye.lock); |
1da177e4 LT |
1137 | meye.grab_buffer[0].state = MEYE_BUF_USING; |
1138 | *len = -1; | |
1139 | while (*len == -1) { | |
1140 | mchip_take_picture(); | |
1141 | *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize); | |
1142 | } | |
1143 | meye.grab_buffer[0].state = MEYE_BUF_DONE; | |
3593cab5 | 1144 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1145 | break; |
1146 | } | |
1147 | ||
1148 | case VIDIOC_QUERYCAP: { | |
1149 | struct v4l2_capability *cap = arg; | |
1150 | ||
1151 | if (forcev4l1) | |
1152 | return -EINVAL; | |
1153 | ||
1154 | memset(cap, 0, sizeof(*cap)); | |
1155 | strcpy(cap->driver, "meye"); | |
1156 | strcpy(cap->card, "meye"); | |
1157 | sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev)); | |
1158 | cap->version = (MEYE_DRIVER_MAJORVERSION << 8) + | |
1159 | MEYE_DRIVER_MINORVERSION; | |
1160 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | | |
1161 | V4L2_CAP_STREAMING; | |
1162 | break; | |
1163 | } | |
1164 | ||
1165 | case VIDIOC_ENUMINPUT: { | |
1166 | struct v4l2_input *i = arg; | |
1167 | ||
1168 | if (i->index != 0) | |
1169 | return -EINVAL; | |
1170 | memset(i, 0, sizeof(*i)); | |
1171 | i->index = 0; | |
1172 | strcpy(i->name, "Camera"); | |
1173 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1174 | break; | |
1175 | } | |
1176 | ||
1177 | case VIDIOC_G_INPUT: { | |
1178 | int *i = arg; | |
1179 | ||
1180 | *i = 0; | |
1181 | break; | |
1182 | } | |
1183 | ||
1184 | case VIDIOC_S_INPUT: { | |
1185 | int *i = arg; | |
1186 | ||
1187 | if (*i != 0) | |
1188 | return -EINVAL; | |
1189 | break; | |
1190 | } | |
1191 | ||
1192 | case VIDIOC_QUERYCTRL: { | |
1193 | struct v4l2_queryctrl *c = arg; | |
1194 | ||
1195 | switch (c->id) { | |
1196 | ||
1197 | case V4L2_CID_BRIGHTNESS: | |
1198 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1199 | strcpy(c->name, "Brightness"); | |
1200 | c->minimum = 0; | |
1201 | c->maximum = 63; | |
1202 | c->step = 1; | |
1203 | c->default_value = 32; | |
1204 | c->flags = 0; | |
1205 | break; | |
1206 | case V4L2_CID_HUE: | |
1207 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1208 | strcpy(c->name, "Hue"); | |
1209 | c->minimum = 0; | |
1210 | c->maximum = 63; | |
1211 | c->step = 1; | |
1212 | c->default_value = 32; | |
1213 | c->flags = 0; | |
1214 | break; | |
1215 | case V4L2_CID_CONTRAST: | |
1216 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1217 | strcpy(c->name, "Contrast"); | |
1218 | c->minimum = 0; | |
1219 | c->maximum = 63; | |
1220 | c->step = 1; | |
1221 | c->default_value = 32; | |
1222 | c->flags = 0; | |
1223 | break; | |
1224 | case V4L2_CID_SATURATION: | |
1225 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1226 | strcpy(c->name, "Saturation"); | |
1227 | c->minimum = 0; | |
1228 | c->maximum = 63; | |
1229 | c->step = 1; | |
1230 | c->default_value = 32; | |
1231 | c->flags = 0; | |
1232 | break; | |
1233 | case V4L2_CID_AGC: | |
1234 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1235 | strcpy(c->name, "Agc"); | |
1236 | c->minimum = 0; | |
1237 | c->maximum = 63; | |
1238 | c->step = 1; | |
1239 | c->default_value = 48; | |
1240 | c->flags = 0; | |
1241 | break; | |
1242 | case V4L2_CID_SHARPNESS: | |
1243 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1244 | strcpy(c->name, "Sharpness"); | |
1245 | c->minimum = 0; | |
1246 | c->maximum = 63; | |
1247 | c->step = 1; | |
1248 | c->default_value = 32; | |
1249 | c->flags = 0; | |
1250 | break; | |
1251 | case V4L2_CID_PICTURE: | |
1252 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1253 | strcpy(c->name, "Picture"); | |
1254 | c->minimum = 0; | |
1255 | c->maximum = 63; | |
1256 | c->step = 1; | |
1257 | c->default_value = 0; | |
1258 | c->flags = 0; | |
1259 | break; | |
1260 | case V4L2_CID_JPEGQUAL: | |
1261 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1262 | strcpy(c->name, "JPEG quality"); | |
1263 | c->minimum = 0; | |
1264 | c->maximum = 10; | |
1265 | c->step = 1; | |
1266 | c->default_value = 8; | |
1267 | c->flags = 0; | |
1268 | break; | |
1269 | case V4L2_CID_FRAMERATE: | |
1270 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1271 | strcpy(c->name, "Framerate"); | |
1272 | c->minimum = 0; | |
1273 | c->maximum = 31; | |
1274 | c->step = 1; | |
1275 | c->default_value = 0; | |
1276 | c->flags = 0; | |
1277 | break; | |
1278 | default: | |
1279 | return -EINVAL; | |
1280 | } | |
1281 | break; | |
1282 | } | |
1283 | ||
1284 | case VIDIOC_S_CTRL: { | |
1285 | struct v4l2_control *c = arg; | |
1286 | ||
3593cab5 | 1287 | mutex_lock(&meye.lock); |
1da177e4 LT |
1288 | switch (c->id) { |
1289 | case V4L2_CID_BRIGHTNESS: | |
cbefb762 | 1290 | sony_pic_camera_command( |
1291 | SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); | |
1da177e4 LT |
1292 | meye.picture.brightness = c->value << 10; |
1293 | break; | |
1294 | case V4L2_CID_HUE: | |
cbefb762 | 1295 | sony_pic_camera_command( |
1296 | SONY_PIC_COMMAND_SETCAMERAHUE, c->value); | |
1da177e4 LT |
1297 | meye.picture.hue = c->value << 10; |
1298 | break; | |
1299 | case V4L2_CID_CONTRAST: | |
cbefb762 | 1300 | sony_pic_camera_command( |
1301 | SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); | |
1da177e4 LT |
1302 | meye.picture.contrast = c->value << 10; |
1303 | break; | |
1304 | case V4L2_CID_SATURATION: | |
cbefb762 | 1305 | sony_pic_camera_command( |
1306 | SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); | |
1da177e4 LT |
1307 | meye.picture.colour = c->value << 10; |
1308 | break; | |
1309 | case V4L2_CID_AGC: | |
cbefb762 | 1310 | sony_pic_camera_command( |
1311 | SONY_PIC_COMMAND_SETCAMERAAGC, c->value); | |
1da177e4 LT |
1312 | meye.params.agc = c->value; |
1313 | break; | |
1314 | case V4L2_CID_SHARPNESS: | |
cbefb762 | 1315 | sony_pic_camera_command( |
1316 | SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); | |
1da177e4 LT |
1317 | meye.params.sharpness = c->value; |
1318 | break; | |
1319 | case V4L2_CID_PICTURE: | |
cbefb762 | 1320 | sony_pic_camera_command( |
1321 | SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); | |
1da177e4 LT |
1322 | meye.params.picture = c->value; |
1323 | break; | |
1324 | case V4L2_CID_JPEGQUAL: | |
1325 | meye.params.quality = c->value; | |
1326 | break; | |
1327 | case V4L2_CID_FRAMERATE: | |
1328 | meye.params.framerate = c->value; | |
1329 | break; | |
1330 | default: | |
3593cab5 | 1331 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1332 | return -EINVAL; |
1333 | } | |
3593cab5 | 1334 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1335 | break; |
1336 | } | |
1337 | ||
1338 | case VIDIOC_G_CTRL: { | |
1339 | struct v4l2_control *c = arg; | |
1340 | ||
3593cab5 | 1341 | mutex_lock(&meye.lock); |
1da177e4 LT |
1342 | switch (c->id) { |
1343 | case V4L2_CID_BRIGHTNESS: | |
1344 | c->value = meye.picture.brightness >> 10; | |
1345 | break; | |
1346 | case V4L2_CID_HUE: | |
1347 | c->value = meye.picture.hue >> 10; | |
1348 | break; | |
1349 | case V4L2_CID_CONTRAST: | |
1350 | c->value = meye.picture.contrast >> 10; | |
1351 | break; | |
1352 | case V4L2_CID_SATURATION: | |
1353 | c->value = meye.picture.colour >> 10; | |
1354 | break; | |
1355 | case V4L2_CID_AGC: | |
1356 | c->value = meye.params.agc; | |
1357 | break; | |
1358 | case V4L2_CID_SHARPNESS: | |
1359 | c->value = meye.params.sharpness; | |
1360 | break; | |
1361 | case V4L2_CID_PICTURE: | |
1362 | c->value = meye.params.picture; | |
1363 | break; | |
1364 | case V4L2_CID_JPEGQUAL: | |
1365 | c->value = meye.params.quality; | |
1366 | break; | |
1367 | case V4L2_CID_FRAMERATE: | |
1368 | c->value = meye.params.framerate; | |
1369 | break; | |
1370 | default: | |
3593cab5 | 1371 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1372 | return -EINVAL; |
1373 | } | |
3593cab5 | 1374 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1375 | break; |
1376 | } | |
1377 | ||
1378 | case VIDIOC_ENUM_FMT: { | |
1379 | struct v4l2_fmtdesc *f = arg; | |
1380 | ||
1381 | if (f->index > 1) | |
1382 | return -EINVAL; | |
1383 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1384 | return -EINVAL; | |
1385 | if (f->index == 0) { | |
1386 | /* standard YUV 422 capture */ | |
1387 | memset(f, 0, sizeof(*f)); | |
1388 | f->index = 0; | |
1389 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1390 | f->flags = 0; | |
1391 | strcpy(f->description, "YUV422"); | |
1392 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
1393 | } else { | |
1394 | /* compressed MJPEG capture */ | |
1395 | memset(f, 0, sizeof(*f)); | |
1396 | f->index = 1; | |
1397 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1398 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
1399 | strcpy(f->description, "MJPEG"); | |
1400 | f->pixelformat = V4L2_PIX_FMT_MJPEG; | |
1401 | } | |
1402 | break; | |
1403 | } | |
1404 | ||
1405 | case VIDIOC_TRY_FMT: { | |
1406 | struct v4l2_format *f = arg; | |
1407 | ||
1408 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1409 | return -EINVAL; | |
1410 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && | |
1411 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1412 | return -EINVAL; | |
1413 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1414 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1415 | return -EINVAL; | |
1416 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1417 | if (f->fmt.pix.width <= 320) { | |
1418 | f->fmt.pix.width = 320; | |
1419 | f->fmt.pix.height = 240; | |
1420 | } else { | |
1421 | f->fmt.pix.width = 640; | |
1422 | f->fmt.pix.height = 480; | |
1423 | } | |
1424 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1425 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1426 | f->fmt.pix.bytesperline; | |
1427 | f->fmt.pix.colorspace = 0; | |
1428 | f->fmt.pix.priv = 0; | |
1429 | break; | |
1430 | } | |
1431 | ||
1432 | case VIDIOC_G_FMT: { | |
1433 | struct v4l2_format *f = arg; | |
1434 | ||
1435 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1436 | return -EINVAL; | |
1437 | memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format)); | |
1438 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1439 | switch (meye.mchip_mode) { | |
1440 | case MCHIP_HIC_MODE_CONT_OUT: | |
1441 | default: | |
1442 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; | |
1443 | break; | |
1444 | case MCHIP_HIC_MODE_CONT_COMP: | |
1445 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1446 | break; | |
1447 | } | |
1448 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1449 | f->fmt.pix.width = mchip_hsize(); | |
1450 | f->fmt.pix.height = mchip_vsize(); | |
1451 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1452 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1453 | f->fmt.pix.bytesperline; | |
1454 | f->fmt.pix.colorspace = 0; | |
1455 | f->fmt.pix.priv = 0; | |
1456 | break; | |
1457 | } | |
1458 | ||
1459 | case VIDIOC_S_FMT: { | |
1460 | struct v4l2_format *f = arg; | |
1461 | ||
1462 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1463 | return -EINVAL; | |
1464 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && | |
1465 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1466 | return -EINVAL; | |
1467 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1468 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1469 | return -EINVAL; | |
1470 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
3593cab5 | 1471 | mutex_lock(&meye.lock); |
1da177e4 LT |
1472 | if (f->fmt.pix.width <= 320) { |
1473 | f->fmt.pix.width = 320; | |
1474 | f->fmt.pix.height = 240; | |
1475 | meye.params.subsample = 1; | |
1476 | } else { | |
1477 | f->fmt.pix.width = 640; | |
1478 | f->fmt.pix.height = 480; | |
1479 | meye.params.subsample = 0; | |
1480 | } | |
1481 | switch (f->fmt.pix.pixelformat) { | |
1482 | case V4L2_PIX_FMT_YUYV: | |
1483 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
1484 | break; | |
1485 | case V4L2_PIX_FMT_MJPEG: | |
1486 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
1487 | break; | |
1488 | } | |
3593cab5 | 1489 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1490 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; |
1491 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1492 | f->fmt.pix.bytesperline; | |
1493 | f->fmt.pix.colorspace = 0; | |
1494 | f->fmt.pix.priv = 0; | |
1495 | ||
1496 | break; | |
1497 | } | |
1498 | ||
1499 | case VIDIOC_REQBUFS: { | |
1500 | struct v4l2_requestbuffers *req = arg; | |
1501 | int i; | |
1502 | ||
1503 | if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1504 | return -EINVAL; | |
1505 | if (req->memory != V4L2_MEMORY_MMAP) | |
1506 | return -EINVAL; | |
1507 | if (meye.grab_fbuffer && req->count == gbuffers) { | |
1508 | /* already allocated, no modifications */ | |
1509 | break; | |
1510 | } | |
3593cab5 | 1511 | mutex_lock(&meye.lock); |
1da177e4 LT |
1512 | if (meye.grab_fbuffer) { |
1513 | for (i = 0; i < gbuffers; i++) | |
1514 | if (meye.vma_use_count[i]) { | |
3593cab5 | 1515 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1516 | return -EINVAL; |
1517 | } | |
1518 | rvfree(meye.grab_fbuffer, gbuffers * gbufsize); | |
1519 | meye.grab_fbuffer = NULL; | |
1520 | } | |
1521 | gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS)); | |
1522 | req->count = gbuffers; | |
1523 | meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize); | |
1524 | if (!meye.grab_fbuffer) { | |
1525 | printk(KERN_ERR "meye: v4l framebuffer allocation" | |
1526 | " failed\n"); | |
3593cab5 | 1527 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1528 | return -ENOMEM; |
1529 | } | |
1530 | for (i = 0; i < gbuffers; i++) | |
1531 | meye.vma_use_count[i] = 0; | |
3593cab5 | 1532 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1533 | break; |
1534 | } | |
1535 | ||
1536 | case VIDIOC_QUERYBUF: { | |
1537 | struct v4l2_buffer *buf = arg; | |
1538 | int index = buf->index; | |
1539 | ||
1540 | if (index < 0 || index >= gbuffers) | |
1541 | return -EINVAL; | |
1542 | memset(buf, 0, sizeof(*buf)); | |
1543 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1544 | buf->index = index; | |
1545 | buf->bytesused = meye.grab_buffer[index].size; | |
1546 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1547 | if (meye.grab_buffer[index].state == MEYE_BUF_USING) | |
1548 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1549 | if (meye.grab_buffer[index].state == MEYE_BUF_DONE) | |
1550 | buf->flags |= V4L2_BUF_FLAG_DONE; | |
1551 | buf->field = V4L2_FIELD_NONE; | |
1552 | buf->timestamp = meye.grab_buffer[index].timestamp; | |
1553 | buf->sequence = meye.grab_buffer[index].sequence; | |
1554 | buf->memory = V4L2_MEMORY_MMAP; | |
1555 | buf->m.offset = index * gbufsize; | |
1556 | buf->length = gbufsize; | |
1557 | break; | |
1558 | } | |
1559 | ||
1560 | case VIDIOC_QBUF: { | |
1561 | struct v4l2_buffer *buf = arg; | |
1562 | ||
1563 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1564 | return -EINVAL; | |
1565 | if (buf->memory != V4L2_MEMORY_MMAP) | |
1566 | return -EINVAL; | |
1567 | if (buf->index < 0 || buf->index >= gbuffers) | |
1568 | return -EINVAL; | |
1569 | if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED) | |
1570 | return -EINVAL; | |
3593cab5 | 1571 | mutex_lock(&meye.lock); |
1da177e4 LT |
1572 | buf->flags |= V4L2_BUF_FLAG_QUEUED; |
1573 | buf->flags &= ~V4L2_BUF_FLAG_DONE; | |
1574 | meye.grab_buffer[buf->index].state = MEYE_BUF_USING; | |
1575 | kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int)); | |
3593cab5 | 1576 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1577 | break; |
1578 | } | |
1579 | ||
1580 | case VIDIOC_DQBUF: { | |
1581 | struct v4l2_buffer *buf = arg; | |
1582 | int reqnr; | |
1583 | ||
1584 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1585 | return -EINVAL; | |
1586 | if (buf->memory != V4L2_MEMORY_MMAP) | |
1587 | return -EINVAL; | |
1588 | ||
3593cab5 | 1589 | mutex_lock(&meye.lock); |
1da177e4 | 1590 | if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) { |
3593cab5 | 1591 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1592 | return -EAGAIN; |
1593 | } | |
1594 | if (wait_event_interruptible(meye.proc_list, | |
1595 | kfifo_len(meye.doneq) != 0) < 0) { | |
3593cab5 | 1596 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1597 | return -EINTR; |
1598 | } | |
1599 | if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr, | |
1600 | sizeof(int))) { | |
3593cab5 | 1601 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1602 | return -EBUSY; |
1603 | } | |
1604 | if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) { | |
3593cab5 | 1605 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1606 | return -EINVAL; |
1607 | } | |
1608 | buf->index = reqnr; | |
1609 | buf->bytesused = meye.grab_buffer[reqnr].size; | |
1610 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1611 | buf->field = V4L2_FIELD_NONE; | |
1612 | buf->timestamp = meye.grab_buffer[reqnr].timestamp; | |
1613 | buf->sequence = meye.grab_buffer[reqnr].sequence; | |
1614 | buf->memory = V4L2_MEMORY_MMAP; | |
1615 | buf->m.offset = reqnr * gbufsize; | |
1616 | buf->length = gbufsize; | |
1617 | meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED; | |
3593cab5 | 1618 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1619 | break; |
1620 | } | |
1621 | ||
1622 | case VIDIOC_STREAMON: { | |
3593cab5 | 1623 | mutex_lock(&meye.lock); |
1da177e4 LT |
1624 | switch (meye.mchip_mode) { |
1625 | case MCHIP_HIC_MODE_CONT_OUT: | |
1626 | mchip_continuous_start(); | |
1627 | break; | |
1628 | case MCHIP_HIC_MODE_CONT_COMP: | |
1629 | mchip_cont_compression_start(); | |
1630 | break; | |
1631 | default: | |
3593cab5 | 1632 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1633 | return -EINVAL; |
1634 | } | |
3593cab5 | 1635 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1636 | break; |
1637 | } | |
1638 | ||
1639 | case VIDIOC_STREAMOFF: { | |
1640 | int i; | |
1641 | ||
3593cab5 | 1642 | mutex_lock(&meye.lock); |
1da177e4 LT |
1643 | mchip_hic_stop(); |
1644 | kfifo_reset(meye.grabq); | |
1645 | kfifo_reset(meye.doneq); | |
1646 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
1647 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
3593cab5 | 1648 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1649 | break; |
1650 | } | |
1651 | ||
1652 | /* | |
1653 | * XXX what about private snapshot ioctls ? | |
1654 | * Do they need to be converted to V4L2 ? | |
1655 | */ | |
1656 | ||
1657 | default: | |
1658 | return -ENOIOCTLCMD; | |
1659 | } | |
1660 | ||
1661 | return 0; | |
1662 | } | |
1663 | ||
1664 | static int meye_ioctl(struct inode *inode, struct file *file, | |
1665 | unsigned int cmd, unsigned long arg) | |
1666 | { | |
1667 | return video_usercopy(inode, file, cmd, arg, meye_do_ioctl); | |
1668 | } | |
1669 | ||
1670 | static unsigned int meye_poll(struct file *file, poll_table *wait) | |
1671 | { | |
1672 | unsigned int res = 0; | |
1673 | ||
3593cab5 | 1674 | mutex_lock(&meye.lock); |
1da177e4 LT |
1675 | poll_wait(file, &meye.proc_list, wait); |
1676 | if (kfifo_len(meye.doneq)) | |
1677 | res = POLLIN | POLLRDNORM; | |
3593cab5 | 1678 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1679 | return res; |
1680 | } | |
1681 | ||
1682 | static void meye_vm_open(struct vm_area_struct *vma) | |
1683 | { | |
d6144028 | 1684 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1685 | meye.vma_use_count[idx]++; |
1686 | } | |
1687 | ||
1688 | static void meye_vm_close(struct vm_area_struct *vma) | |
1689 | { | |
d6144028 | 1690 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1691 | meye.vma_use_count[idx]--; |
1692 | } | |
1693 | ||
1694 | static struct vm_operations_struct meye_vm_ops = { | |
1695 | .open = meye_vm_open, | |
1696 | .close = meye_vm_close, | |
1697 | }; | |
1698 | ||
1699 | static int meye_mmap(struct file *file, struct vm_area_struct *vma) | |
1700 | { | |
1701 | unsigned long start = vma->vm_start; | |
1702 | unsigned long size = vma->vm_end - vma->vm_start; | |
1703 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
1704 | unsigned long page, pos; | |
1705 | ||
3593cab5 | 1706 | mutex_lock(&meye.lock); |
1da177e4 | 1707 | if (size > gbuffers * gbufsize) { |
3593cab5 | 1708 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1709 | return -EINVAL; |
1710 | } | |
1711 | if (!meye.grab_fbuffer) { | |
1712 | int i; | |
1713 | ||
1714 | /* lazy allocation */ | |
1715 | meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize); | |
1716 | if (!meye.grab_fbuffer) { | |
1717 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); | |
3593cab5 | 1718 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1719 | return -ENOMEM; |
1720 | } | |
1721 | for (i = 0; i < gbuffers; i++) | |
1722 | meye.vma_use_count[i] = 0; | |
1723 | } | |
1724 | pos = (unsigned long)meye.grab_fbuffer + offset; | |
1725 | ||
1726 | while (size > 0) { | |
1727 | page = vmalloc_to_pfn((void *)pos); | |
1728 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 1729 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1730 | return -EAGAIN; |
1731 | } | |
1732 | start += PAGE_SIZE; | |
1733 | pos += PAGE_SIZE; | |
1734 | if (size > PAGE_SIZE) | |
1735 | size -= PAGE_SIZE; | |
1736 | else | |
1737 | size = 0; | |
1738 | } | |
1739 | ||
1740 | vma->vm_ops = &meye_vm_ops; | |
1741 | vma->vm_flags &= ~VM_IO; /* not I/O memory */ | |
1742 | vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ | |
1743 | vma->vm_private_data = (void *) (offset / gbufsize); | |
1744 | meye_vm_open(vma); | |
1745 | ||
3593cab5 | 1746 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1747 | return 0; |
1748 | } | |
1749 | ||
fa027c2a | 1750 | static const struct file_operations meye_fops = { |
1da177e4 LT |
1751 | .owner = THIS_MODULE, |
1752 | .open = meye_open, | |
1753 | .release = meye_release, | |
1754 | .mmap = meye_mmap, | |
1755 | .ioctl = meye_ioctl, | |
0d0fbf81 | 1756 | .compat_ioctl = v4l_compat_ioctl32, |
1da177e4 LT |
1757 | .poll = meye_poll, |
1758 | .llseek = no_llseek, | |
1759 | }; | |
1760 | ||
1761 | static struct video_device meye_template = { | |
1762 | .owner = THIS_MODULE, | |
1763 | .name = "meye", | |
1764 | .type = VID_TYPE_CAPTURE, | |
1da177e4 LT |
1765 | .fops = &meye_fops, |
1766 | .release = video_device_release, | |
1767 | .minor = -1, | |
1768 | }; | |
1769 | ||
1770 | #ifdef CONFIG_PM | |
a2910689 | 1771 | static int meye_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1772 | { |
1773 | pci_save_state(pdev); | |
1774 | meye.pm_mchip_mode = meye.mchip_mode; | |
1775 | mchip_hic_stop(); | |
1776 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1777 | return 0; | |
1778 | } | |
1779 | ||
1780 | static int meye_resume(struct pci_dev *pdev) | |
1781 | { | |
1782 | pci_restore_state(pdev); | |
1783 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1784 | ||
1785 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1786 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1787 | msleep(1); | |
1788 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1789 | msleep(1); | |
1790 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1791 | msleep(1); | |
1792 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1793 | ||
1794 | switch (meye.pm_mchip_mode) { | |
1795 | case MCHIP_HIC_MODE_CONT_OUT: | |
1796 | mchip_continuous_start(); | |
1797 | break; | |
1798 | case MCHIP_HIC_MODE_CONT_COMP: | |
1799 | mchip_cont_compression_start(); | |
1800 | break; | |
1801 | } | |
1802 | return 0; | |
1803 | } | |
1804 | #endif | |
1805 | ||
1806 | static int __devinit meye_probe(struct pci_dev *pcidev, | |
1807 | const struct pci_device_id *ent) | |
1808 | { | |
1809 | int ret = -EBUSY; | |
1810 | unsigned long mchip_adr; | |
1da177e4 LT |
1811 | |
1812 | if (meye.mchip_dev != NULL) { | |
1813 | printk(KERN_ERR "meye: only one device allowed!\n"); | |
1814 | goto outnotdev; | |
1815 | } | |
1816 | ||
1817 | meye.mchip_dev = pcidev; | |
1818 | meye.video_dev = video_device_alloc(); | |
1819 | if (!meye.video_dev) { | |
1820 | printk(KERN_ERR "meye: video_device_alloc() failed!\n"); | |
1821 | goto outnotdev; | |
1822 | } | |
1823 | ||
1824 | ret = -ENOMEM; | |
1825 | meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); | |
1826 | if (!meye.grab_temp) { | |
1827 | printk(KERN_ERR "meye: grab buffer allocation failed\n"); | |
1828 | goto outvmalloc; | |
1829 | } | |
1830 | ||
1831 | spin_lock_init(&meye.grabq_lock); | |
1832 | meye.grabq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1833 | &meye.grabq_lock); | |
1834 | if (IS_ERR(meye.grabq)) { | |
1835 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1836 | goto outkfifoalloc1; | |
1837 | } | |
1838 | spin_lock_init(&meye.doneq_lock); | |
1839 | meye.doneq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1840 | &meye.doneq_lock); | |
1841 | if (IS_ERR(meye.doneq)) { | |
1842 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1843 | goto outkfifoalloc2; | |
1844 | } | |
1845 | ||
1846 | memcpy(meye.video_dev, &meye_template, sizeof(meye_template)); | |
1847 | meye.video_dev->dev = &meye.mchip_dev->dev; | |
1848 | ||
cbefb762 | 1849 | if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) { |
1da177e4 LT |
1850 | printk(KERN_ERR "meye: unable to power on the camera\n"); |
1851 | printk(KERN_ERR "meye: did you enable the camera in " | |
1852 | "sonypi using the module options ?\n"); | |
1853 | goto outsonypienable; | |
1854 | } | |
1855 | ||
1856 | ret = -EIO; | |
1857 | if ((ret = pci_enable_device(meye.mchip_dev))) { | |
1858 | printk(KERN_ERR "meye: pci_enable_device failed\n"); | |
1859 | goto outenabledev; | |
1860 | } | |
1861 | ||
1862 | mchip_adr = pci_resource_start(meye.mchip_dev,0); | |
1863 | if (!mchip_adr) { | |
1864 | printk(KERN_ERR "meye: mchip has no device base address\n"); | |
1865 | goto outregions; | |
1866 | } | |
1867 | if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1868 | pci_resource_len(meye.mchip_dev, 0), | |
1869 | "meye")) { | |
1870 | printk(KERN_ERR "meye: request_mem_region failed\n"); | |
1871 | goto outregions; | |
1872 | } | |
1873 | meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS); | |
1874 | if (!meye.mchip_mmregs) { | |
1875 | printk(KERN_ERR "meye: ioremap failed\n"); | |
1876 | goto outremap; | |
1877 | } | |
1878 | ||
1879 | meye.mchip_irq = pcidev->irq; | |
1880 | if (request_irq(meye.mchip_irq, meye_irq, | |
8076fe32 | 1881 | IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) { |
1da177e4 LT |
1882 | printk(KERN_ERR "meye: request_irq failed\n"); |
1883 | goto outreqirq; | |
1884 | } | |
1885 | ||
1da177e4 LT |
1886 | pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8); |
1887 | pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64); | |
1888 | ||
1889 | pci_set_master(meye.mchip_dev); | |
1890 | ||
1891 | /* Ask the camera to perform a soft reset. */ | |
1892 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1893 | ||
1894 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1895 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1896 | ||
1897 | msleep(1); | |
1898 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1899 | ||
1900 | msleep(1); | |
1901 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1902 | ||
1903 | msleep(1); | |
1904 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1905 | ||
1906 | if (video_register_device(meye.video_dev, VFL_TYPE_GRABBER, | |
1907 | video_nr) < 0) { | |
1908 | printk(KERN_ERR "meye: video_register_device failed\n"); | |
1909 | goto outvideoreg; | |
1910 | } | |
1911 | ||
3593cab5 | 1912 | mutex_init(&meye.lock); |
1da177e4 LT |
1913 | init_waitqueue_head(&meye.proc_list); |
1914 | meye.picture.depth = 16; | |
1915 | meye.picture.palette = VIDEO_PALETTE_YUV422; | |
1916 | meye.picture.brightness = 32 << 10; | |
1917 | meye.picture.hue = 32 << 10; | |
1918 | meye.picture.colour = 32 << 10; | |
1919 | meye.picture.contrast = 32 << 10; | |
1920 | meye.picture.whiteness = 0; | |
1921 | meye.params.subsample = 0; | |
1922 | meye.params.quality = 8; | |
1923 | meye.params.sharpness = 32; | |
1924 | meye.params.agc = 48; | |
1925 | meye.params.picture = 0; | |
1926 | meye.params.framerate = 0; | |
1927 | ||
cbefb762 | 1928 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); |
1929 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); | |
1930 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); | |
1931 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); | |
1932 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); | |
1933 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); | |
1934 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); | |
1da177e4 LT |
1935 | |
1936 | printk(KERN_INFO "meye: Motion Eye Camera Driver v%s.\n", | |
1937 | MEYE_DRIVER_VERSION); | |
1938 | printk(KERN_INFO "meye: mchip KL5A72002 rev. %d, base %lx, irq %d\n", | |
44c10138 | 1939 | meye.mchip_dev->revision, mchip_adr, meye.mchip_irq); |
1da177e4 LT |
1940 | |
1941 | return 0; | |
1942 | ||
1943 | outvideoreg: | |
1944 | free_irq(meye.mchip_irq, meye_irq); | |
1945 | outreqirq: | |
1946 | iounmap(meye.mchip_mmregs); | |
1947 | outremap: | |
1948 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1949 | pci_resource_len(meye.mchip_dev, 0)); | |
1950 | outregions: | |
1951 | pci_disable_device(meye.mchip_dev); | |
1952 | outenabledev: | |
cbefb762 | 1953 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1954 | outsonypienable: |
1955 | kfifo_free(meye.doneq); | |
1956 | outkfifoalloc2: | |
1957 | kfifo_free(meye.grabq); | |
1958 | outkfifoalloc1: | |
1959 | vfree(meye.grab_temp); | |
1960 | outvmalloc: | |
1961 | video_device_release(meye.video_dev); | |
1962 | outnotdev: | |
1963 | return ret; | |
1964 | } | |
1965 | ||
1966 | static void __devexit meye_remove(struct pci_dev *pcidev) | |
1967 | { | |
1968 | video_unregister_device(meye.video_dev); | |
1969 | ||
1970 | mchip_hic_stop(); | |
1971 | ||
1972 | mchip_dma_free(); | |
1973 | ||
1974 | /* disable interrupts */ | |
1975 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1976 | ||
1977 | free_irq(meye.mchip_irq, meye_irq); | |
1978 | ||
1979 | iounmap(meye.mchip_mmregs); | |
1980 | ||
1981 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1982 | pci_resource_len(meye.mchip_dev, 0)); | |
1983 | ||
1984 | pci_disable_device(meye.mchip_dev); | |
1985 | ||
cbefb762 | 1986 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1987 | |
1988 | kfifo_free(meye.doneq); | |
1989 | kfifo_free(meye.grabq); | |
1990 | ||
1991 | vfree(meye.grab_temp); | |
1992 | ||
1993 | if (meye.grab_fbuffer) { | |
1994 | rvfree(meye.grab_fbuffer, gbuffers*gbufsize); | |
1995 | meye.grab_fbuffer = NULL; | |
1996 | } | |
1997 | ||
1998 | printk(KERN_INFO "meye: removed\n"); | |
1999 | } | |
2000 | ||
2001 | static struct pci_device_id meye_pci_tbl[] = { | |
2002 | { PCI_VENDOR_ID_KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002, | |
2003 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
2004 | { } | |
2005 | }; | |
2006 | ||
2007 | MODULE_DEVICE_TABLE(pci, meye_pci_tbl); | |
2008 | ||
2009 | static struct pci_driver meye_driver = { | |
2010 | .name = "meye", | |
2011 | .id_table = meye_pci_tbl, | |
2012 | .probe = meye_probe, | |
2013 | .remove = __devexit_p(meye_remove), | |
2014 | #ifdef CONFIG_PM | |
2015 | .suspend = meye_suspend, | |
2016 | .resume = meye_resume, | |
2017 | #endif | |
2018 | }; | |
2019 | ||
2020 | static int __init meye_init(void) | |
2021 | { | |
2022 | gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); | |
2023 | if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE) | |
2024 | gbufsize = MEYE_MAX_BUFSIZE; | |
2025 | gbufsize = PAGE_ALIGN(gbufsize); | |
ac9bb7f5 | 2026 | printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) " |
1da177e4 LT |
2027 | "for capture\n", |
2028 | gbuffers, | |
2029 | gbufsize / 1024, gbuffers * gbufsize / 1024); | |
2030 | return pci_register_driver(&meye_driver); | |
2031 | } | |
2032 | ||
2033 | static void __exit meye_exit(void) | |
2034 | { | |
2035 | pci_unregister_driver(&meye_driver); | |
2036 | } | |
2037 | ||
2038 | module_init(meye_init); | |
2039 | module_exit(meye_exit); |