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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>"); | |
6ec6e0ce | 45 | MODULE_DESCRIPTION("v4l2 driver for the MotionEye camera"); |
1da177e4 LT |
46 | MODULE_LICENSE("GPL"); |
47 | MODULE_VERSION(MEYE_DRIVER_VERSION); | |
48 | ||
1da177e4 LT |
49 | /* number of grab buffers */ |
50 | static unsigned int gbuffers = 2; | |
51 | module_param(gbuffers, int, 0444); | |
52 | MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)"); | |
53 | ||
54 | /* size of a grab buffer */ | |
55 | static unsigned int gbufsize = MEYE_MAX_BUFSIZE; | |
56 | module_param(gbufsize, int, 0444); | |
57 | MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400" | |
58 | " (will be rounded up to a page multiple)"); | |
59 | ||
60 | /* /dev/videoX registration number */ | |
61 | static int video_nr = -1; | |
62 | module_param(video_nr, int, 0444); | |
63 | MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)"); | |
64 | ||
65 | /* driver structure - only one possible */ | |
66 | static struct meye meye; | |
67 | ||
68 | /****************************************************************************/ | |
69 | /* Memory allocation routines (stolen from bttv-driver.c) */ | |
70 | /****************************************************************************/ | |
71 | static void *rvmalloc(unsigned long size) | |
72 | { | |
73 | void *mem; | |
74 | unsigned long adr; | |
75 | ||
76 | size = PAGE_ALIGN(size); | |
77 | mem = vmalloc_32(size); | |
78 | if (mem) { | |
79 | memset(mem, 0, size); | |
80 | adr = (unsigned long) mem; | |
81 | while (size > 0) { | |
82 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
83 | adr += PAGE_SIZE; | |
84 | size -= PAGE_SIZE; | |
85 | } | |
86 | } | |
87 | return mem; | |
88 | } | |
89 | ||
90 | static void rvfree(void * mem, unsigned long size) | |
91 | { | |
92 | unsigned long adr; | |
93 | ||
94 | if (mem) { | |
95 | adr = (unsigned long) mem; | |
96 | while ((long) size > 0) { | |
97 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
98 | adr += PAGE_SIZE; | |
99 | size -= PAGE_SIZE; | |
100 | } | |
101 | vfree(mem); | |
102 | } | |
103 | } | |
104 | ||
105 | /* | |
106 | * return a page table pointing to N pages of locked memory | |
107 | * | |
108 | * NOTE: The meye device expects DMA addresses on 32 bits, we build | |
109 | * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes. | |
110 | */ | |
111 | static int ptable_alloc(void) | |
112 | { | |
113 | u32 *pt; | |
114 | int i; | |
115 | ||
116 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
117 | ||
118 | /* give only 32 bit DMA addresses */ | |
d013a068 | 119 | if (dma_set_mask(&meye.mchip_dev->dev, DMA_32BIT_MASK)) |
1da177e4 LT |
120 | return -1; |
121 | ||
122 | meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev, | |
123 | PAGE_SIZE, | |
124 | &meye.mchip_dmahandle, | |
125 | GFP_KERNEL); | |
126 | if (!meye.mchip_ptable_toc) { | |
127 | meye.mchip_dmahandle = 0; | |
128 | return -1; | |
129 | } | |
130 | ||
131 | pt = meye.mchip_ptable_toc; | |
132 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
133 | dma_addr_t dma; | |
134 | meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev, | |
135 | PAGE_SIZE, | |
136 | &dma, | |
137 | GFP_KERNEL); | |
138 | if (!meye.mchip_ptable[i]) { | |
139 | int j; | |
140 | pt = meye.mchip_ptable_toc; | |
141 | for (j = 0; j < i; ++j) { | |
142 | dma = (dma_addr_t) *pt; | |
143 | dma_free_coherent(&meye.mchip_dev->dev, | |
144 | PAGE_SIZE, | |
145 | meye.mchip_ptable[j], dma); | |
146 | pt++; | |
147 | } | |
148 | dma_free_coherent(&meye.mchip_dev->dev, | |
149 | PAGE_SIZE, | |
150 | meye.mchip_ptable_toc, | |
151 | meye.mchip_dmahandle); | |
152 | meye.mchip_ptable_toc = NULL; | |
153 | meye.mchip_dmahandle = 0; | |
154 | return -1; | |
155 | } | |
156 | *pt = (u32) dma; | |
157 | pt++; | |
158 | } | |
159 | return 0; | |
160 | } | |
161 | ||
162 | static void ptable_free(void) | |
163 | { | |
164 | u32 *pt; | |
165 | int i; | |
166 | ||
167 | pt = meye.mchip_ptable_toc; | |
168 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
169 | dma_addr_t dma = (dma_addr_t) *pt; | |
170 | if (meye.mchip_ptable[i]) | |
171 | dma_free_coherent(&meye.mchip_dev->dev, | |
172 | PAGE_SIZE, | |
173 | meye.mchip_ptable[i], dma); | |
174 | pt++; | |
175 | } | |
176 | ||
177 | if (meye.mchip_ptable_toc) | |
178 | dma_free_coherent(&meye.mchip_dev->dev, | |
179 | PAGE_SIZE, | |
180 | meye.mchip_ptable_toc, | |
181 | meye.mchip_dmahandle); | |
182 | ||
183 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
184 | meye.mchip_ptable_toc = NULL; | |
185 | meye.mchip_dmahandle = 0; | |
186 | } | |
187 | ||
188 | /* copy data from ptable into buf */ | |
189 | static void ptable_copy(u8 *buf, int start, int size, int pt_pages) | |
190 | { | |
191 | int i; | |
192 | ||
193 | for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) { | |
194 | memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE); | |
195 | if (start >= pt_pages) | |
196 | start = 0; | |
197 | } | |
198 | memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE); | |
199 | } | |
200 | ||
201 | /****************************************************************************/ | |
202 | /* JPEG tables at different qualities to load into the VRJ chip */ | |
203 | /****************************************************************************/ | |
204 | ||
205 | /* return a set of quantisation tables based on a quality from 1 to 10 */ | |
206 | static u16 *jpeg_quantisation_tables(int *length, int quality) | |
207 | { | |
208 | static u16 jpeg_tables[][70] = { { | |
209 | 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
210 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
211 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
212 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
213 | 0xffff, 0xffff, 0xffff, | |
214 | 0xdbff, 0x4300, 0xff01, 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 | }, | |
220 | { | |
221 | 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46, | |
222 | 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8, | |
223 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
224 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
225 | 0xffff, 0xffff, 0xffff, | |
226 | 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb, | |
227 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
228 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
229 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
230 | 0xffff, 0xffff, 0xffff, | |
231 | }, | |
232 | { | |
233 | 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23, | |
234 | 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164, | |
235 | 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad, | |
236 | 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff, | |
237 | 0xe6ff, 0xfffd, 0xfff8, | |
238 | 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876, | |
239 | 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
240 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
241 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
242 | 0xf8f8, 0xf8f8, 0xfff8, | |
243 | }, | |
244 | { | |
245 | 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17, | |
246 | 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042, | |
247 | 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73, | |
248 | 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba, | |
249 | 0x99c7, 0xaba8, 0xffa4, | |
250 | 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e, | |
251 | 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
252 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
253 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
254 | 0xa4a4, 0xa4a4, 0xffa4, | |
255 | }, | |
256 | { | |
257 | 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712, | |
258 | 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932, | |
259 | 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556, | |
260 | 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c, | |
261 | 0x7396, 0x817e, 0xff7c, | |
262 | 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b, | |
263 | 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
264 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
265 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
266 | 0x7c7c, 0x7c7c, 0xff7c, | |
267 | }, | |
268 | { | |
269 | 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e, | |
270 | 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28, | |
271 | 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745, | |
272 | 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470, | |
273 | 0x5c78, 0x6765, 0xff63, | |
274 | 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f, | |
275 | 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
276 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
277 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
278 | 0x6363, 0x6363, 0xff63, | |
279 | }, | |
280 | { | |
281 | 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b, | |
282 | 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20, | |
283 | 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37, | |
284 | 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a, | |
285 | 0x4a60, 0x5251, 0xff4f, | |
286 | 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26, | |
287 | 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
288 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
289 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
290 | 0x4f4f, 0x4f4f, 0xff4f, | |
291 | }, | |
292 | { | |
293 | 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08, | |
294 | 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318, | |
295 | 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129, | |
296 | 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43, | |
297 | 0x3748, 0x3e3d, 0xff3b, | |
298 | 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c, | |
299 | 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
300 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
301 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
302 | 0x3b3b, 0x3b3b, 0xff3b, | |
303 | }, | |
304 | { | |
305 | 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706, | |
306 | 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710, | |
307 | 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c, | |
308 | 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d, | |
309 | 0x2530, 0x2928, 0xff28, | |
310 | 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813, | |
311 | 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
312 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
313 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
314 | 0x2828, 0x2828, 0xff28, | |
315 | }, | |
316 | { | |
317 | 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403, | |
318 | 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08, | |
319 | 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e, | |
320 | 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416, | |
321 | 0x1218, 0x1514, 0xff14, | |
322 | 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409, | |
323 | 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
324 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
325 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
326 | 0x1414, 0x1414, 0xff14, | |
327 | }, | |
328 | { | |
329 | 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
330 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
331 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
332 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
333 | 0x0101, 0x0101, 0xff01, | |
334 | 0xdbff, 0x4300, 0x0101, 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 | } }; | |
340 | ||
341 | if (quality < 0 || quality > 10) { | |
342 | printk(KERN_WARNING | |
343 | "meye: invalid quality level %d - using 8\n", quality); | |
344 | quality = 8; | |
345 | } | |
346 | ||
347 | *length = ARRAY_SIZE(jpeg_tables[quality]); | |
348 | return jpeg_tables[quality]; | |
349 | } | |
350 | ||
351 | /* return a generic set of huffman tables */ | |
352 | static u16 *jpeg_huffman_tables(int *length) | |
353 | { | |
354 | static u16 tables[] = { | |
355 | 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405, | |
356 | 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131, | |
357 | 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142, | |
358 | 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918, | |
359 | 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443, | |
360 | 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463, | |
361 | 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483, | |
362 | 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A, | |
363 | 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8, | |
364 | 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6, | |
365 | 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2, | |
366 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
367 | 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405, | |
368 | 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206, | |
369 | 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1, | |
370 | 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125, | |
371 | 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A, | |
372 | 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A, | |
373 | 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A, | |
374 | 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, | |
375 | 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, | |
376 | 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, | |
377 | 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2, | |
378 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
379 | 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000, | |
380 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
381 | 0xFF0B, | |
382 | 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101, | |
383 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
384 | 0xFF0B | |
385 | }; | |
386 | ||
387 | *length = ARRAY_SIZE(tables); | |
388 | return tables; | |
389 | } | |
390 | ||
391 | /****************************************************************************/ | |
392 | /* MCHIP low-level functions */ | |
393 | /****************************************************************************/ | |
394 | ||
395 | /* returns the horizontal capture size */ | |
396 | static inline int mchip_hsize(void) | |
397 | { | |
398 | return meye.params.subsample ? 320 : 640; | |
399 | } | |
400 | ||
401 | /* returns the vertical capture size */ | |
402 | static inline int mchip_vsize(void) | |
403 | { | |
404 | return meye.params.subsample ? 240 : 480; | |
405 | } | |
406 | ||
407 | /* waits for a register to be available */ | |
408 | static void mchip_sync(int reg) | |
409 | { | |
410 | u32 status; | |
411 | int i; | |
412 | ||
413 | if (reg == MCHIP_MM_FIFO_DATA) { | |
414 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
415 | status = readl(meye.mchip_mmregs + | |
416 | MCHIP_MM_FIFO_STATUS); | |
417 | if (!(status & MCHIP_MM_FIFO_WAIT)) { | |
418 | printk(KERN_WARNING "meye: fifo not ready\n"); | |
419 | return; | |
420 | } | |
421 | if (status & MCHIP_MM_FIFO_READY) | |
422 | return; | |
423 | udelay(1); | |
424 | } | |
425 | } else if (reg > 0x80) { | |
426 | u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY | |
427 | : MCHIP_HIC_STATUS_VRJ_RDY; | |
428 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
429 | status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS); | |
430 | if (status & mask) | |
431 | return; | |
432 | udelay(1); | |
433 | } | |
434 | } else | |
435 | return; | |
436 | printk(KERN_WARNING | |
437 | "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n", | |
438 | reg, status); | |
439 | } | |
440 | ||
441 | /* sets a value into the register */ | |
442 | static inline void mchip_set(int reg, u32 v) | |
443 | { | |
444 | mchip_sync(reg); | |
445 | writel(v, meye.mchip_mmregs + reg); | |
446 | } | |
447 | ||
448 | /* get the register value */ | |
449 | static inline u32 mchip_read(int reg) | |
450 | { | |
451 | mchip_sync(reg); | |
452 | return readl(meye.mchip_mmregs + reg); | |
453 | } | |
454 | ||
455 | /* wait for a register to become a particular value */ | |
456 | static inline int mchip_delay(u32 reg, u32 v) | |
457 | { | |
458 | int n = 10; | |
459 | while (--n && mchip_read(reg) != v) | |
460 | udelay(1); | |
461 | return n; | |
462 | } | |
463 | ||
464 | /* setup subsampling */ | |
465 | static void mchip_subsample(void) | |
466 | { | |
467 | mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample); | |
468 | mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize()); | |
469 | mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize()); | |
470 | mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize()); | |
471 | mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize()); | |
472 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
473 | } | |
474 | ||
475 | /* set the framerate into the mchip */ | |
476 | static void mchip_set_framerate(void) | |
477 | { | |
478 | mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate); | |
479 | } | |
480 | ||
481 | /* load some huffman and quantisation tables into the VRJ chip ready | |
482 | for JPEG compression */ | |
483 | static void mchip_load_tables(void) | |
484 | { | |
485 | int i; | |
486 | int length; | |
487 | u16 *tables; | |
488 | ||
489 | tables = jpeg_huffman_tables(&length); | |
490 | for (i = 0; i < length; i++) | |
491 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
492 | ||
493 | tables = jpeg_quantisation_tables(&length, meye.params.quality); | |
494 | for (i = 0; i < length; i++) | |
495 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
496 | } | |
497 | ||
498 | /* setup the VRJ parameters in the chip */ | |
499 | static void mchip_vrj_setup(u8 mode) | |
500 | { | |
501 | mchip_set(MCHIP_VRJ_BUS_MODE, 5); | |
502 | mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f); | |
503 | mchip_set(MCHIP_VRJ_PDAT_USE, 1); | |
504 | mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0); | |
505 | mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode); | |
506 | mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize()); | |
507 | mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize()); | |
508 | mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b); | |
509 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF); | |
510 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF); | |
511 | mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC); | |
512 | mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0); | |
513 | mchip_set(MCHIP_VRJ_SOF1, 0x601); | |
514 | mchip_set(MCHIP_VRJ_SOF2, 0x1502); | |
515 | mchip_set(MCHIP_VRJ_SOF3, 0x1503); | |
516 | mchip_set(MCHIP_VRJ_SOF4, 0x1596); | |
517 | mchip_set(MCHIP_VRJ_SOS, 0x0ed0); | |
518 | ||
519 | mchip_load_tables(); | |
520 | } | |
521 | ||
522 | /* sets the DMA parameters into the chip */ | |
523 | static void mchip_dma_setup(dma_addr_t dma_addr) | |
524 | { | |
525 | int i; | |
526 | ||
527 | mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr); | |
528 | for (i = 0; i < 4; i++) | |
529 | mchip_set(MCHIP_MM_FIR(i), 0); | |
530 | meye.mchip_fnum = 0; | |
531 | } | |
532 | ||
533 | /* setup for DMA transfers - also zeros the framebuffer */ | |
534 | static int mchip_dma_alloc(void) | |
535 | { | |
536 | if (!meye.mchip_dmahandle) | |
537 | if (ptable_alloc()) | |
538 | return -1; | |
539 | return 0; | |
540 | } | |
541 | ||
542 | /* frees the DMA buffer */ | |
543 | static void mchip_dma_free(void) | |
544 | { | |
545 | if (meye.mchip_dmahandle) { | |
546 | mchip_dma_setup(0); | |
547 | ptable_free(); | |
548 | } | |
549 | } | |
550 | ||
551 | /* stop any existing HIC action and wait for any dma to complete then | |
552 | reset the dma engine */ | |
553 | static void mchip_hic_stop(void) | |
554 | { | |
555 | int i, j; | |
556 | ||
557 | meye.mchip_mode = MCHIP_HIC_MODE_NOOP; | |
558 | if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY)) | |
559 | return; | |
560 | for (i = 0; i < 20; ++i) { | |
561 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP); | |
562 | mchip_delay(MCHIP_HIC_CMD, 0); | |
563 | for (j = 0; j < 100; ++j) { | |
564 | if (mchip_delay(MCHIP_HIC_STATUS, | |
565 | MCHIP_HIC_STATUS_IDLE)) | |
566 | return; | |
567 | msleep(1); | |
568 | } | |
569 | printk(KERN_ERR "meye: need to reset HIC!\n"); | |
570 | ||
571 | mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET); | |
572 | msleep(250); | |
573 | } | |
574 | printk(KERN_ERR "meye: resetting HIC hanged!\n"); | |
575 | } | |
576 | ||
577 | /****************************************************************************/ | |
578 | /* MCHIP frame processing functions */ | |
579 | /****************************************************************************/ | |
580 | ||
581 | /* get the next ready frame from the dma engine */ | |
582 | static u32 mchip_get_frame(void) | |
583 | { | |
584 | u32 v; | |
585 | ||
586 | v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); | |
587 | return v; | |
588 | } | |
589 | ||
590 | /* frees the current frame from the dma engine */ | |
591 | static void mchip_free_frame(void) | |
592 | { | |
593 | mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0); | |
594 | meye.mchip_fnum++; | |
595 | meye.mchip_fnum %= 4; | |
596 | } | |
597 | ||
598 | /* read one frame from the framebuffer assuming it was captured using | |
599 | a uncompressed transfer */ | |
600 | static void mchip_cont_read_frame(u32 v, u8 *buf, int size) | |
601 | { | |
602 | int pt_id; | |
603 | ||
604 | pt_id = (v >> 17) & 0x3FF; | |
605 | ||
606 | ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES); | |
607 | } | |
608 | ||
609 | /* read a compressed frame from the framebuffer */ | |
610 | static int mchip_comp_read_frame(u32 v, u8 *buf, int size) | |
611 | { | |
612 | int pt_start, pt_end, trailer; | |
613 | int fsize; | |
614 | int i; | |
615 | ||
616 | pt_start = (v >> 19) & 0xFF; | |
617 | pt_end = (v >> 11) & 0xFF; | |
618 | trailer = (v >> 1) & 0x3FF; | |
619 | ||
620 | if (pt_end < pt_start) | |
621 | fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE + | |
622 | pt_end * PAGE_SIZE + trailer * 4; | |
623 | else | |
624 | fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4; | |
625 | ||
626 | if (fsize > size) { | |
627 | printk(KERN_WARNING "meye: oversized compressed frame %d\n", | |
628 | fsize); | |
629 | return -1; | |
630 | } | |
631 | ||
632 | ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG); | |
633 | ||
634 | #ifdef MEYE_JPEG_CORRECTION | |
635 | ||
636 | /* Some mchip generated jpeg frames are incorrect. In most | |
637 | * (all ?) of those cases, the final EOI (0xff 0xd9) marker | |
638 | * is not present at the end of the frame. | |
639 | * | |
640 | * Since adding the final marker is not enough to restore | |
641 | * the jpeg integrity, we drop the frame. | |
642 | */ | |
643 | ||
644 | for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ; | |
645 | ||
646 | if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9) | |
647 | return -1; | |
648 | ||
649 | #endif | |
650 | ||
651 | return fsize; | |
652 | } | |
653 | ||
654 | /* take a picture into SDRAM */ | |
655 | static void mchip_take_picture(void) | |
656 | { | |
657 | int i; | |
658 | ||
659 | mchip_hic_stop(); | |
660 | mchip_subsample(); | |
661 | mchip_dma_setup(meye.mchip_dmahandle); | |
662 | ||
663 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP); | |
664 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
665 | ||
666 | mchip_delay(MCHIP_HIC_CMD, 0); | |
667 | ||
668 | for (i = 0; i < 100; ++i) { | |
669 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
670 | break; | |
671 | msleep(1); | |
672 | } | |
673 | } | |
674 | ||
675 | /* dma a previously taken picture into a buffer */ | |
676 | static void mchip_get_picture(u8 *buf, int bufsize) | |
677 | { | |
678 | u32 v; | |
679 | int i; | |
680 | ||
681 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT); | |
682 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
683 | ||
684 | mchip_delay(MCHIP_HIC_CMD, 0); | |
685 | for (i = 0; i < 100; ++i) { | |
686 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
687 | break; | |
688 | msleep(1); | |
689 | } | |
690 | for (i = 0; i < 4; ++i) { | |
691 | v = mchip_get_frame(); | |
692 | if (v & MCHIP_MM_FIR_RDY) { | |
693 | mchip_cont_read_frame(v, buf, bufsize); | |
694 | break; | |
695 | } | |
696 | mchip_free_frame(); | |
697 | } | |
698 | } | |
699 | ||
700 | /* start continuous dma capture */ | |
701 | static void mchip_continuous_start(void) | |
702 | { | |
703 | mchip_hic_stop(); | |
704 | mchip_subsample(); | |
705 | mchip_set_framerate(); | |
706 | mchip_dma_setup(meye.mchip_dmahandle); | |
707 | ||
708 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
709 | ||
710 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT); | |
711 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
712 | ||
713 | mchip_delay(MCHIP_HIC_CMD, 0); | |
714 | } | |
715 | ||
716 | /* compress one frame into a buffer */ | |
717 | static int mchip_compress_frame(u8 *buf, int bufsize) | |
718 | { | |
719 | u32 v; | |
720 | int len = -1, i; | |
721 | ||
722 | mchip_vrj_setup(0x3f); | |
723 | udelay(50); | |
724 | ||
725 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP); | |
726 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
727 | ||
728 | mchip_delay(MCHIP_HIC_CMD, 0); | |
729 | for (i = 0; i < 100; ++i) { | |
730 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
731 | break; | |
732 | msleep(1); | |
733 | } | |
734 | ||
735 | for (i = 0; i < 4; ++i) { | |
736 | v = mchip_get_frame(); | |
737 | if (v & MCHIP_MM_FIR_RDY) { | |
738 | len = mchip_comp_read_frame(v, buf, bufsize); | |
739 | break; | |
740 | } | |
741 | mchip_free_frame(); | |
742 | } | |
743 | return len; | |
744 | } | |
745 | ||
746 | #if 0 | |
747 | /* uncompress one image into a buffer */ | |
748 | static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize) | |
749 | { | |
750 | mchip_vrj_setup(0x3f); | |
751 | udelay(50); | |
752 | ||
753 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP); | |
754 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
755 | ||
756 | mchip_delay(MCHIP_HIC_CMD, 0); | |
757 | ||
758 | return mchip_comp_read_frame(buf, bufsize); | |
759 | } | |
760 | #endif | |
761 | ||
762 | /* start continuous compressed capture */ | |
763 | static void mchip_cont_compression_start(void) | |
764 | { | |
765 | mchip_hic_stop(); | |
766 | mchip_vrj_setup(0x3f); | |
767 | mchip_subsample(); | |
768 | mchip_set_framerate(); | |
769 | mchip_dma_setup(meye.mchip_dmahandle); | |
770 | ||
771 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
772 | ||
773 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP); | |
774 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
775 | ||
776 | mchip_delay(MCHIP_HIC_CMD, 0); | |
777 | } | |
778 | ||
779 | /****************************************************************************/ | |
780 | /* Interrupt handling */ | |
781 | /****************************************************************************/ | |
782 | ||
7d12e780 | 783 | static irqreturn_t meye_irq(int irq, void *dev_id) |
1da177e4 LT |
784 | { |
785 | u32 v; | |
786 | int reqnr; | |
ff699e6b | 787 | static int sequence; |
1da177e4 LT |
788 | |
789 | v = mchip_read(MCHIP_MM_INTA); | |
790 | ||
791 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT && | |
792 | meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) | |
793 | return IRQ_NONE; | |
794 | ||
795 | again: | |
796 | v = mchip_get_frame(); | |
797 | if (!(v & MCHIP_MM_FIR_RDY)) | |
798 | return IRQ_HANDLED; | |
799 | ||
800 | if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) { | |
801 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
802 | sizeof(int)) != sizeof(int)) { | |
803 | mchip_free_frame(); | |
804 | return IRQ_HANDLED; | |
805 | } | |
806 | mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr, | |
807 | mchip_hsize() * mchip_vsize() * 2); | |
808 | meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2; | |
809 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
810 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
811 | meye.grab_buffer[reqnr].sequence = sequence++; | |
812 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
813 | wake_up_interruptible(&meye.proc_list); | |
814 | } else { | |
815 | int size; | |
816 | size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize); | |
817 | if (size == -1) { | |
818 | mchip_free_frame(); | |
819 | goto again; | |
820 | } | |
821 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
822 | sizeof(int)) != sizeof(int)) { | |
823 | mchip_free_frame(); | |
824 | goto again; | |
825 | } | |
826 | memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp, | |
827 | size); | |
828 | meye.grab_buffer[reqnr].size = size; | |
829 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
830 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
831 | meye.grab_buffer[reqnr].sequence = sequence++; | |
832 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
833 | wake_up_interruptible(&meye.proc_list); | |
834 | } | |
835 | mchip_free_frame(); | |
836 | goto again; | |
837 | } | |
838 | ||
839 | /****************************************************************************/ | |
840 | /* video4linux integration */ | |
841 | /****************************************************************************/ | |
842 | ||
843 | static int meye_open(struct inode *inode, struct file *file) | |
844 | { | |
845 | int i, err; | |
846 | ||
847 | err = video_exclusive_open(inode, file); | |
848 | if (err < 0) | |
849 | return err; | |
850 | ||
851 | mchip_hic_stop(); | |
852 | ||
853 | if (mchip_dma_alloc()) { | |
854 | printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); | |
855 | video_exclusive_release(inode, file); | |
856 | return -ENOBUFS; | |
857 | } | |
858 | ||
859 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
860 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
861 | kfifo_reset(meye.grabq); | |
862 | kfifo_reset(meye.doneq); | |
863 | return 0; | |
864 | } | |
865 | ||
866 | static int meye_release(struct inode *inode, struct file *file) | |
867 | { | |
868 | mchip_hic_stop(); | |
869 | mchip_dma_free(); | |
870 | video_exclusive_release(inode, file); | |
871 | return 0; | |
872 | } | |
873 | ||
6ec6e0ce | 874 | static int meyeioc_g_params(struct meye_params *p) |
1da177e4 | 875 | { |
6ec6e0ce DSL |
876 | *p = meye.params; |
877 | return 0; | |
878 | } | |
1da177e4 | 879 | |
6ec6e0ce DSL |
880 | static int meyeioc_s_params(struct meye_params *jp) |
881 | { | |
882 | if (jp->subsample > 1) | |
883 | return -EINVAL; | |
1da177e4 | 884 | |
6ec6e0ce DSL |
885 | if (jp->quality > 10) |
886 | return -EINVAL; | |
1da177e4 | 887 | |
6ec6e0ce DSL |
888 | if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63) |
889 | return -EINVAL; | |
1da177e4 | 890 | |
6ec6e0ce DSL |
891 | if (jp->framerate > 31) |
892 | return -EINVAL; | |
1da177e4 | 893 | |
6ec6e0ce | 894 | mutex_lock(&meye.lock); |
1da177e4 | 895 | |
6ec6e0ce DSL |
896 | if (meye.params.subsample != jp->subsample || |
897 | meye.params.quality != jp->quality) | |
898 | mchip_hic_stop(); /* need restart */ | |
899 | ||
900 | meye.params = *jp; | |
901 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, | |
902 | meye.params.sharpness); | |
903 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, | |
904 | meye.params.agc); | |
905 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, | |
906 | meye.params.picture); | |
907 | mutex_unlock(&meye.lock); | |
1da177e4 | 908 | |
6ec6e0ce DSL |
909 | return 0; |
910 | } | |
1da177e4 | 911 | |
6ec6e0ce DSL |
912 | static int meyeioc_qbuf_capt(int *nb) |
913 | { | |
914 | if (!meye.grab_fbuffer) | |
915 | return -EINVAL; | |
1da177e4 | 916 | |
6ec6e0ce DSL |
917 | if (*nb >= gbuffers) |
918 | return -EINVAL; | |
1da177e4 | 919 | |
6ec6e0ce DSL |
920 | if (*nb < 0) { |
921 | /* stop capture */ | |
922 | mchip_hic_stop(); | |
923 | return 0; | |
1da177e4 LT |
924 | } |
925 | ||
6ec6e0ce DSL |
926 | if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED) |
927 | return -EBUSY; | |
1da177e4 | 928 | |
6ec6e0ce | 929 | mutex_lock(&meye.lock); |
1da177e4 | 930 | |
6ec6e0ce DSL |
931 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) |
932 | mchip_cont_compression_start(); | |
1da177e4 | 933 | |
6ec6e0ce DSL |
934 | meye.grab_buffer[*nb].state = MEYE_BUF_USING; |
935 | kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int)); | |
936 | mutex_unlock(&meye.lock); | |
1da177e4 | 937 | |
6ec6e0ce DSL |
938 | return 0; |
939 | } | |
1da177e4 | 940 | |
6ec6e0ce DSL |
941 | static int meyeioc_sync(struct file *file, void *fh, int *i) |
942 | { | |
943 | int unused; | |
1da177e4 | 944 | |
6ec6e0ce DSL |
945 | if (*i < 0 || *i >= gbuffers) |
946 | return -EINVAL; | |
947 | ||
948 | mutex_lock(&meye.lock); | |
949 | switch (meye.grab_buffer[*i].state) { | |
950 | ||
951 | case MEYE_BUF_UNUSED: | |
3593cab5 | 952 | mutex_unlock(&meye.lock); |
6ec6e0ce DSL |
953 | return -EINVAL; |
954 | case MEYE_BUF_USING: | |
955 | if (file->f_flags & O_NONBLOCK) { | |
956 | mutex_unlock(&meye.lock); | |
957 | return -EAGAIN; | |
958 | } | |
959 | if (wait_event_interruptible(meye.proc_list, | |
960 | (meye.grab_buffer[*i].state != MEYE_BUF_USING))) { | |
961 | mutex_unlock(&meye.lock); | |
962 | return -EINTR; | |
963 | } | |
964 | /* fall through */ | |
965 | case MEYE_BUF_DONE: | |
966 | meye.grab_buffer[*i].state = MEYE_BUF_UNUSED; | |
967 | kfifo_get(meye.doneq, (unsigned char *)&unused, sizeof(int)); | |
1da177e4 | 968 | } |
6ec6e0ce DSL |
969 | *i = meye.grab_buffer[*i].size; |
970 | mutex_unlock(&meye.lock); | |
971 | return 0; | |
972 | } | |
973 | ||
974 | static int meyeioc_stillcapt(void) | |
975 | { | |
976 | if (!meye.grab_fbuffer) | |
977 | return -EINVAL; | |
1da177e4 | 978 | |
6ec6e0ce DSL |
979 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) |
980 | return -EBUSY; | |
1da177e4 | 981 | |
6ec6e0ce DSL |
982 | mutex_lock(&meye.lock); |
983 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
984 | mchip_take_picture(); | |
1da177e4 | 985 | |
6ec6e0ce DSL |
986 | mchip_get_picture(meye.grab_fbuffer, |
987 | mchip_hsize() * mchip_vsize() * 2); | |
1da177e4 | 988 | |
6ec6e0ce DSL |
989 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
990 | mutex_unlock(&meye.lock); | |
991 | ||
992 | return 0; | |
993 | } | |
994 | ||
995 | static int meyeioc_stilljcapt(int *len) | |
996 | { | |
997 | if (!meye.grab_fbuffer) | |
998 | return -EINVAL; | |
999 | ||
1000 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1001 | return -EBUSY; | |
1da177e4 | 1002 | |
6ec6e0ce DSL |
1003 | mutex_lock(&meye.lock); |
1004 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
1005 | *len = -1; | |
1da177e4 | 1006 | |
6ec6e0ce | 1007 | while (*len == -1) { |
1da177e4 | 1008 | mchip_take_picture(); |
6ec6e0ce | 1009 | *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize); |
1da177e4 LT |
1010 | } |
1011 | ||
6ec6e0ce DSL |
1012 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
1013 | mutex_unlock(&meye.lock); | |
1014 | return 0; | |
1015 | } | |
1da177e4 | 1016 | |
6ec6e0ce DSL |
1017 | static int vidioc_querycap(struct file *file, void *fh, |
1018 | struct v4l2_capability *cap) | |
1019 | { | |
1020 | memset(cap, 0, sizeof(*cap)); | |
1021 | strcpy(cap->driver, "meye"); | |
1022 | strcpy(cap->card, "meye"); | |
1023 | sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev)); | |
1da177e4 | 1024 | |
6ec6e0ce DSL |
1025 | cap->version = (MEYE_DRIVER_MAJORVERSION << 8) + |
1026 | MEYE_DRIVER_MINORVERSION; | |
1da177e4 | 1027 | |
6ec6e0ce DSL |
1028 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
1029 | V4L2_CAP_STREAMING; | |
1030 | ||
1031 | return 0; | |
1032 | } | |
1da177e4 | 1033 | |
6ec6e0ce DSL |
1034 | static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) |
1035 | { | |
1036 | if (i->index != 0) | |
1037 | return -EINVAL; | |
1038 | ||
1039 | memset(i, 0, sizeof(*i)); | |
1040 | i->index = 0; | |
1041 | strcpy(i->name, "Camera"); | |
1042 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1043 | ||
1044 | return 0; | |
1045 | } | |
1046 | ||
1047 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) | |
1048 | { | |
1049 | *i = 0; | |
1050 | return 0; | |
1051 | } | |
1052 | ||
1053 | static int vidioc_s_input(struct file *file, void *fh, unsigned int i) | |
1054 | { | |
1055 | if (i != 0) | |
1056 | return -EINVAL; | |
1da177e4 | 1057 | |
6ec6e0ce DSL |
1058 | return 0; |
1059 | } | |
1060 | ||
1061 | static int vidioc_queryctrl(struct file *file, void *fh, | |
1062 | struct v4l2_queryctrl *c) | |
1063 | { | |
1064 | switch (c->id) { | |
1065 | ||
1066 | case V4L2_CID_BRIGHTNESS: | |
1067 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1068 | strcpy(c->name, "Brightness"); | |
1069 | c->minimum = 0; | |
1070 | c->maximum = 63; | |
1071 | c->step = 1; | |
1072 | c->default_value = 32; | |
1073 | c->flags = 0; | |
1074 | break; | |
1075 | case V4L2_CID_HUE: | |
1076 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1077 | strcpy(c->name, "Hue"); | |
1078 | c->minimum = 0; | |
1079 | c->maximum = 63; | |
1080 | c->step = 1; | |
1081 | c->default_value = 32; | |
1082 | c->flags = 0; | |
1083 | break; | |
1084 | case V4L2_CID_CONTRAST: | |
1085 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1086 | strcpy(c->name, "Contrast"); | |
1087 | c->minimum = 0; | |
1088 | c->maximum = 63; | |
1089 | c->step = 1; | |
1090 | c->default_value = 32; | |
1091 | c->flags = 0; | |
1092 | break; | |
1093 | case V4L2_CID_SATURATION: | |
1094 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1095 | strcpy(c->name, "Saturation"); | |
1096 | c->minimum = 0; | |
1097 | c->maximum = 63; | |
1098 | c->step = 1; | |
1099 | c->default_value = 32; | |
1100 | c->flags = 0; | |
1da177e4 | 1101 | break; |
6ec6e0ce DSL |
1102 | case V4L2_CID_AGC: |
1103 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1104 | strcpy(c->name, "Agc"); | |
1105 | c->minimum = 0; | |
1106 | c->maximum = 63; | |
1107 | c->step = 1; | |
1108 | c->default_value = 48; | |
1109 | c->flags = 0; | |
1110 | break; | |
1111 | case V4L2_CID_MEYE_SHARPNESS: | |
1112 | case V4L2_CID_SHARPNESS: | |
1113 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1114 | strcpy(c->name, "Sharpness"); | |
1115 | c->minimum = 0; | |
1116 | c->maximum = 63; | |
1117 | c->step = 1; | |
1118 | c->default_value = 32; | |
1119 | ||
1120 | /* Continue to report legacy private SHARPNESS ctrl but | |
1121 | * say it is disabled in preference to ctrl in the spec | |
1122 | */ | |
1123 | c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 : | |
1124 | V4L2_CTRL_FLAG_DISABLED; | |
1125 | break; | |
1126 | case V4L2_CID_PICTURE: | |
1127 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1128 | strcpy(c->name, "Picture"); | |
1129 | c->minimum = 0; | |
1130 | c->maximum = 63; | |
1131 | c->step = 1; | |
1132 | c->default_value = 0; | |
1133 | c->flags = 0; | |
1134 | break; | |
1135 | case V4L2_CID_JPEGQUAL: | |
1136 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1137 | strcpy(c->name, "JPEG quality"); | |
1138 | c->minimum = 0; | |
1139 | c->maximum = 10; | |
1140 | c->step = 1; | |
1141 | c->default_value = 8; | |
1142 | c->flags = 0; | |
1143 | break; | |
1144 | case V4L2_CID_FRAMERATE: | |
1145 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1146 | strcpy(c->name, "Framerate"); | |
1147 | c->minimum = 0; | |
1148 | c->maximum = 31; | |
1149 | c->step = 1; | |
1150 | c->default_value = 0; | |
1151 | c->flags = 0; | |
1152 | break; | |
1153 | default: | |
1154 | return -EINVAL; | |
1da177e4 LT |
1155 | } |
1156 | ||
6ec6e0ce DSL |
1157 | return 0; |
1158 | } | |
1da177e4 | 1159 | |
6ec6e0ce DSL |
1160 | static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1161 | { | |
1162 | mutex_lock(&meye.lock); | |
1163 | switch (c->id) { | |
1164 | case V4L2_CID_BRIGHTNESS: | |
1165 | sony_pic_camera_command( | |
1166 | SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); | |
1167 | meye.picture.brightness = c->value << 10; | |
1168 | break; | |
1169 | case V4L2_CID_HUE: | |
1170 | sony_pic_camera_command( | |
1171 | SONY_PIC_COMMAND_SETCAMERAHUE, c->value); | |
1172 | meye.picture.hue = c->value << 10; | |
1173 | break; | |
1174 | case V4L2_CID_CONTRAST: | |
1175 | sony_pic_camera_command( | |
1176 | SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); | |
1177 | meye.picture.contrast = c->value << 10; | |
1178 | break; | |
1179 | case V4L2_CID_SATURATION: | |
1180 | sony_pic_camera_command( | |
1181 | SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); | |
1182 | meye.picture.colour = c->value << 10; | |
1183 | break; | |
1184 | case V4L2_CID_AGC: | |
1185 | sony_pic_camera_command( | |
1186 | SONY_PIC_COMMAND_SETCAMERAAGC, c->value); | |
1187 | meye.params.agc = c->value; | |
1188 | break; | |
1189 | case V4L2_CID_SHARPNESS: | |
1190 | case V4L2_CID_MEYE_SHARPNESS: | |
1191 | sony_pic_camera_command( | |
1192 | SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); | |
1193 | meye.params.sharpness = c->value; | |
1194 | break; | |
1195 | case V4L2_CID_PICTURE: | |
1196 | sony_pic_camera_command( | |
1197 | SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); | |
1198 | meye.params.picture = c->value; | |
1199 | break; | |
1200 | case V4L2_CID_JPEGQUAL: | |
1201 | meye.params.quality = c->value; | |
1da177e4 | 1202 | break; |
6ec6e0ce DSL |
1203 | case V4L2_CID_FRAMERATE: |
1204 | meye.params.framerate = c->value; | |
1205 | break; | |
1206 | default: | |
1207 | mutex_unlock(&meye.lock); | |
1208 | return -EINVAL; | |
1da177e4 | 1209 | } |
6ec6e0ce | 1210 | mutex_unlock(&meye.lock); |
1da177e4 | 1211 | |
6ec6e0ce DSL |
1212 | return 0; |
1213 | } | |
1da177e4 | 1214 | |
6ec6e0ce DSL |
1215 | static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1216 | { | |
1217 | mutex_lock(&meye.lock); | |
1218 | switch (c->id) { | |
1219 | case V4L2_CID_BRIGHTNESS: | |
1220 | c->value = meye.picture.brightness >> 10; | |
1221 | break; | |
1222 | case V4L2_CID_HUE: | |
1223 | c->value = meye.picture.hue >> 10; | |
1224 | break; | |
1225 | case V4L2_CID_CONTRAST: | |
1226 | c->value = meye.picture.contrast >> 10; | |
1227 | break; | |
1228 | case V4L2_CID_SATURATION: | |
1229 | c->value = meye.picture.colour >> 10; | |
1230 | break; | |
1231 | case V4L2_CID_AGC: | |
1232 | c->value = meye.params.agc; | |
1da177e4 | 1233 | break; |
6ec6e0ce DSL |
1234 | case V4L2_CID_SHARPNESS: |
1235 | case V4L2_CID_MEYE_SHARPNESS: | |
1236 | c->value = meye.params.sharpness; | |
1237 | break; | |
1238 | case V4L2_CID_PICTURE: | |
1239 | c->value = meye.params.picture; | |
1240 | break; | |
1241 | case V4L2_CID_JPEGQUAL: | |
1242 | c->value = meye.params.quality; | |
1243 | break; | |
1244 | case V4L2_CID_FRAMERATE: | |
1245 | c->value = meye.params.framerate; | |
1246 | break; | |
1247 | default: | |
1248 | mutex_unlock(&meye.lock); | |
1249 | return -EINVAL; | |
1da177e4 | 1250 | } |
6ec6e0ce DSL |
1251 | mutex_unlock(&meye.lock); |
1252 | ||
1253 | return 0; | |
1254 | } | |
1da177e4 | 1255 | |
6ec6e0ce DSL |
1256 | static int vidioc_enum_fmt_cap(struct file *file, void *fh, |
1257 | struct v4l2_fmtdesc *f) | |
1258 | { | |
1259 | if (f->index > 1) | |
1260 | return -EINVAL; | |
1da177e4 | 1261 | |
6ec6e0ce DSL |
1262 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1263 | return -EINVAL; | |
1da177e4 | 1264 | |
6ec6e0ce DSL |
1265 | if (f->index == 0) { |
1266 | /* standard YUV 422 capture */ | |
1267 | memset(f, 0, sizeof(*f)); | |
1268 | f->index = 0; | |
1269 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1270 | f->flags = 0; | |
1271 | strcpy(f->description, "YUV422"); | |
1272 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
1273 | } else { | |
1274 | /* compressed MJPEG capture */ | |
1275 | memset(f, 0, sizeof(*f)); | |
1276 | f->index = 1; | |
1277 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1278 | f->flags = V4L2_FMT_FLAG_COMPRESSED; | |
1279 | strcpy(f->description, "MJPEG"); | |
1280 | f->pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1281 | } |
1282 | ||
6ec6e0ce DSL |
1283 | return 0; |
1284 | } | |
1da177e4 | 1285 | |
6ec6e0ce DSL |
1286 | static int vidioc_try_fmt_cap(struct file *file, void *fh, |
1287 | struct v4l2_format *f) | |
1288 | { | |
1289 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1290 | return -EINVAL; | |
1291 | ||
1292 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && | |
1293 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1294 | return -EINVAL; | |
1295 | ||
1296 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1297 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1298 | return -EINVAL; | |
1299 | ||
1300 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1301 | ||
1302 | if (f->fmt.pix.width <= 320) { | |
1303 | f->fmt.pix.width = 320; | |
1304 | f->fmt.pix.height = 240; | |
1305 | } else { | |
1306 | f->fmt.pix.width = 640; | |
1307 | f->fmt.pix.height = 480; | |
1da177e4 LT |
1308 | } |
1309 | ||
6ec6e0ce DSL |
1310 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; |
1311 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1312 | f->fmt.pix.bytesperline; | |
1313 | f->fmt.pix.colorspace = 0; | |
1314 | f->fmt.pix.priv = 0; | |
1da177e4 | 1315 | |
6ec6e0ce DSL |
1316 | return 0; |
1317 | } | |
1318 | ||
1319 | static int vidioc_g_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) | |
1320 | { | |
1321 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1322 | return -EINVAL; | |
1323 | ||
1324 | memset(&f->fmt.pix, 0, sizeof(struct v4l2_pix_format)); | |
1325 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1326 | ||
1327 | switch (meye.mchip_mode) { | |
1328 | case MCHIP_HIC_MODE_CONT_OUT: | |
1329 | default: | |
1330 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; | |
1331 | break; | |
1332 | case MCHIP_HIC_MODE_CONT_COMP: | |
1333 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1334 | break; |
1335 | } | |
1336 | ||
6ec6e0ce DSL |
1337 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1338 | f->fmt.pix.width = mchip_hsize(); | |
1339 | f->fmt.pix.height = mchip_vsize(); | |
1340 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1341 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1342 | f->fmt.pix.bytesperline; | |
1343 | f->fmt.pix.colorspace = 0; | |
1344 | f->fmt.pix.priv = 0; | |
1345 | ||
1346 | return 0; | |
1347 | } | |
1348 | ||
1349 | static int vidioc_s_fmt_cap(struct file *file, void *fh, struct v4l2_format *f) | |
1350 | { | |
1351 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1352 | return -EINVAL; | |
1353 | ||
1354 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && | |
1355 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1356 | return -EINVAL; | |
1357 | ||
1358 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1359 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1360 | return -EINVAL; | |
1361 | ||
1362 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1363 | mutex_lock(&meye.lock); | |
1364 | ||
1365 | if (f->fmt.pix.width <= 320) { | |
1366 | f->fmt.pix.width = 320; | |
1367 | f->fmt.pix.height = 240; | |
1368 | meye.params.subsample = 1; | |
1369 | } else { | |
1370 | f->fmt.pix.width = 640; | |
1371 | f->fmt.pix.height = 480; | |
1372 | meye.params.subsample = 0; | |
1da177e4 LT |
1373 | } |
1374 | ||
6ec6e0ce DSL |
1375 | switch (f->fmt.pix.pixelformat) { |
1376 | case V4L2_PIX_FMT_YUYV: | |
1377 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
1378 | break; | |
1379 | case V4L2_PIX_FMT_MJPEG: | |
1380 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
1da177e4 LT |
1381 | break; |
1382 | } | |
1383 | ||
6ec6e0ce DSL |
1384 | mutex_unlock(&meye.lock); |
1385 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1386 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1387 | f->fmt.pix.bytesperline; | |
1388 | f->fmt.pix.colorspace = 0; | |
1389 | f->fmt.pix.priv = 0; | |
1da177e4 | 1390 | |
6ec6e0ce DSL |
1391 | return 0; |
1392 | } | |
1da177e4 | 1393 | |
6ec6e0ce DSL |
1394 | static int vidioc_reqbufs(struct file *file, void *fh, |
1395 | struct v4l2_requestbuffers *req) | |
1396 | { | |
1397 | int i; | |
1da177e4 | 1398 | |
6ec6e0ce DSL |
1399 | if (req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
1400 | return -EINVAL; | |
1da177e4 | 1401 | |
6ec6e0ce DSL |
1402 | if (req->memory != V4L2_MEMORY_MMAP) |
1403 | return -EINVAL; | |
1da177e4 | 1404 | |
6ec6e0ce DSL |
1405 | if (meye.grab_fbuffer && req->count == gbuffers) { |
1406 | /* already allocated, no modifications */ | |
1407 | return 0; | |
1da177e4 LT |
1408 | } |
1409 | ||
6ec6e0ce DSL |
1410 | mutex_lock(&meye.lock); |
1411 | if (meye.grab_fbuffer) { | |
1412 | for (i = 0; i < gbuffers; i++) | |
1413 | if (meye.vma_use_count[i]) { | |
1414 | mutex_unlock(&meye.lock); | |
1415 | return -EINVAL; | |
1416 | } | |
1417 | rvfree(meye.grab_fbuffer, gbuffers * gbufsize); | |
1418 | meye.grab_fbuffer = NULL; | |
1da177e4 LT |
1419 | } |
1420 | ||
6ec6e0ce DSL |
1421 | gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS)); |
1422 | req->count = gbuffers; | |
1423 | meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize); | |
1424 | ||
1425 | if (!meye.grab_fbuffer) { | |
1426 | printk(KERN_ERR "meye: v4l framebuffer allocation" | |
1427 | " failed\n"); | |
3593cab5 | 1428 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1429 | return -ENOMEM; |
1da177e4 LT |
1430 | } |
1431 | ||
6ec6e0ce DSL |
1432 | for (i = 0; i < gbuffers; i++) |
1433 | meye.vma_use_count[i] = 0; | |
1da177e4 | 1434 | |
6ec6e0ce | 1435 | mutex_unlock(&meye.lock); |
1da177e4 | 1436 | |
6ec6e0ce DSL |
1437 | return 0; |
1438 | } | |
1439 | ||
1440 | static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1441 | { | |
1442 | int index = buf->index; | |
1443 | ||
1444 | if (index < 0 || index >= gbuffers) | |
1445 | return -EINVAL; | |
1446 | ||
1447 | memset(buf, 0, sizeof(*buf)); | |
1448 | ||
1449 | buf->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1450 | buf->index = index; | |
1451 | buf->bytesused = meye.grab_buffer[index].size; | |
1452 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1453 | ||
1454 | if (meye.grab_buffer[index].state == MEYE_BUF_USING) | |
1455 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1456 | ||
1457 | if (meye.grab_buffer[index].state == MEYE_BUF_DONE) | |
1458 | buf->flags |= V4L2_BUF_FLAG_DONE; | |
1459 | ||
1460 | buf->field = V4L2_FIELD_NONE; | |
1461 | buf->timestamp = meye.grab_buffer[index].timestamp; | |
1462 | buf->sequence = meye.grab_buffer[index].sequence; | |
1463 | buf->memory = V4L2_MEMORY_MMAP; | |
1464 | buf->m.offset = index * gbufsize; | |
1465 | buf->length = gbufsize; | |
1466 | ||
1467 | return 0; | |
1468 | } | |
1469 | ||
1470 | static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1471 | { | |
1472 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1473 | return -EINVAL; | |
1474 | ||
1475 | if (buf->memory != V4L2_MEMORY_MMAP) | |
1476 | return -EINVAL; | |
1477 | ||
1478 | if (buf->index < 0 || buf->index >= gbuffers) | |
1479 | return -EINVAL; | |
1480 | ||
1481 | if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED) | |
1482 | return -EINVAL; | |
1483 | ||
1484 | mutex_lock(&meye.lock); | |
1485 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1486 | buf->flags &= ~V4L2_BUF_FLAG_DONE; | |
1487 | meye.grab_buffer[buf->index].state = MEYE_BUF_USING; | |
1488 | kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int)); | |
1489 | mutex_unlock(&meye.lock); | |
1490 | ||
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1495 | { | |
1496 | int reqnr; | |
1497 | ||
1498 | if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1499 | return -EINVAL; | |
1500 | ||
1501 | if (buf->memory != V4L2_MEMORY_MMAP) | |
1502 | return -EINVAL; | |
1503 | ||
1504 | mutex_lock(&meye.lock); | |
1505 | ||
1506 | if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) { | |
3593cab5 | 1507 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1508 | return -EAGAIN; |
1da177e4 LT |
1509 | } |
1510 | ||
6ec6e0ce DSL |
1511 | if (wait_event_interruptible(meye.proc_list, |
1512 | kfifo_len(meye.doneq) != 0) < 0) { | |
3593cab5 | 1513 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1514 | return -EINTR; |
1da177e4 LT |
1515 | } |
1516 | ||
6ec6e0ce DSL |
1517 | if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr, |
1518 | sizeof(int))) { | |
1519 | mutex_unlock(&meye.lock); | |
1520 | return -EBUSY; | |
1521 | } | |
1da177e4 | 1522 | |
6ec6e0ce | 1523 | if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) { |
3593cab5 | 1524 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1525 | return -EINVAL; |
1da177e4 LT |
1526 | } |
1527 | ||
6ec6e0ce DSL |
1528 | buf->index = reqnr; |
1529 | buf->bytesused = meye.grab_buffer[reqnr].size; | |
1530 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1531 | buf->field = V4L2_FIELD_NONE; | |
1532 | buf->timestamp = meye.grab_buffer[reqnr].timestamp; | |
1533 | buf->sequence = meye.grab_buffer[reqnr].sequence; | |
1534 | buf->memory = V4L2_MEMORY_MMAP; | |
1535 | buf->m.offset = reqnr * gbufsize; | |
1536 | buf->length = gbufsize; | |
1537 | meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED; | |
1538 | mutex_unlock(&meye.lock); | |
1539 | ||
1540 | return 0; | |
1541 | } | |
1da177e4 | 1542 | |
6ec6e0ce DSL |
1543 | static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) |
1544 | { | |
1545 | mutex_lock(&meye.lock); | |
1546 | ||
1547 | switch (meye.mchip_mode) { | |
1548 | case MCHIP_HIC_MODE_CONT_OUT: | |
1549 | mchip_continuous_start(); | |
1550 | break; | |
1551 | case MCHIP_HIC_MODE_CONT_COMP: | |
1552 | mchip_cont_compression_start(); | |
1553 | break; | |
1da177e4 | 1554 | default: |
6ec6e0ce DSL |
1555 | mutex_unlock(&meye.lock); |
1556 | return -EINVAL; | |
1da177e4 LT |
1557 | } |
1558 | ||
6ec6e0ce DSL |
1559 | mutex_unlock(&meye.lock); |
1560 | ||
1da177e4 LT |
1561 | return 0; |
1562 | } | |
1563 | ||
6ec6e0ce | 1564 | static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) |
1da177e4 | 1565 | { |
6ec6e0ce DSL |
1566 | mutex_lock(&meye.lock); |
1567 | mchip_hic_stop(); | |
1568 | kfifo_reset(meye.grabq); | |
1569 | kfifo_reset(meye.doneq); | |
1570 | ||
1571 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
1572 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
1573 | ||
1574 | mutex_unlock(&meye.lock); | |
1575 | return 0; | |
1576 | } | |
1577 | ||
1578 | static int vidioc_default(struct file *file, void *fh, int cmd, void *arg) | |
1579 | { | |
1580 | switch (cmd) { | |
1581 | case MEYEIOC_G_PARAMS: | |
1582 | return meyeioc_g_params((struct meye_params *) arg); | |
1583 | ||
1584 | case MEYEIOC_S_PARAMS: | |
1585 | return meyeioc_s_params((struct meye_params *) arg); | |
1586 | ||
1587 | case MEYEIOC_QBUF_CAPT: | |
1588 | return meyeioc_qbuf_capt((int *) arg); | |
1589 | ||
1590 | case MEYEIOC_SYNC: | |
1591 | return meyeioc_sync(file, fh, (int *) arg); | |
1592 | ||
1593 | case MEYEIOC_STILLCAPT: | |
1594 | return meyeioc_stillcapt(); | |
1595 | ||
1596 | case MEYEIOC_STILLJCAPT: | |
1597 | return meyeioc_stilljcapt((int *) arg); | |
1598 | ||
1599 | default: | |
1600 | return -EINVAL; | |
1601 | } | |
1602 | ||
1da177e4 LT |
1603 | } |
1604 | ||
1605 | static unsigned int meye_poll(struct file *file, poll_table *wait) | |
1606 | { | |
1607 | unsigned int res = 0; | |
1608 | ||
3593cab5 | 1609 | mutex_lock(&meye.lock); |
1da177e4 LT |
1610 | poll_wait(file, &meye.proc_list, wait); |
1611 | if (kfifo_len(meye.doneq)) | |
1612 | res = POLLIN | POLLRDNORM; | |
3593cab5 | 1613 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1614 | return res; |
1615 | } | |
1616 | ||
1617 | static void meye_vm_open(struct vm_area_struct *vma) | |
1618 | { | |
d6144028 | 1619 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1620 | meye.vma_use_count[idx]++; |
1621 | } | |
1622 | ||
1623 | static void meye_vm_close(struct vm_area_struct *vma) | |
1624 | { | |
d6144028 | 1625 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1626 | meye.vma_use_count[idx]--; |
1627 | } | |
1628 | ||
1629 | static struct vm_operations_struct meye_vm_ops = { | |
1630 | .open = meye_vm_open, | |
1631 | .close = meye_vm_close, | |
1632 | }; | |
1633 | ||
1634 | static int meye_mmap(struct file *file, struct vm_area_struct *vma) | |
1635 | { | |
1636 | unsigned long start = vma->vm_start; | |
1637 | unsigned long size = vma->vm_end - vma->vm_start; | |
1638 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
1639 | unsigned long page, pos; | |
1640 | ||
3593cab5 | 1641 | mutex_lock(&meye.lock); |
1da177e4 | 1642 | if (size > gbuffers * gbufsize) { |
3593cab5 | 1643 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1644 | return -EINVAL; |
1645 | } | |
1646 | if (!meye.grab_fbuffer) { | |
1647 | int i; | |
1648 | ||
1649 | /* lazy allocation */ | |
1650 | meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize); | |
1651 | if (!meye.grab_fbuffer) { | |
1652 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); | |
3593cab5 | 1653 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1654 | return -ENOMEM; |
1655 | } | |
1656 | for (i = 0; i < gbuffers; i++) | |
1657 | meye.vma_use_count[i] = 0; | |
1658 | } | |
1659 | pos = (unsigned long)meye.grab_fbuffer + offset; | |
1660 | ||
1661 | while (size > 0) { | |
1662 | page = vmalloc_to_pfn((void *)pos); | |
1663 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 1664 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1665 | return -EAGAIN; |
1666 | } | |
1667 | start += PAGE_SIZE; | |
1668 | pos += PAGE_SIZE; | |
1669 | if (size > PAGE_SIZE) | |
1670 | size -= PAGE_SIZE; | |
1671 | else | |
1672 | size = 0; | |
1673 | } | |
1674 | ||
1675 | vma->vm_ops = &meye_vm_ops; | |
1676 | vma->vm_flags &= ~VM_IO; /* not I/O memory */ | |
1677 | vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ | |
1678 | vma->vm_private_data = (void *) (offset / gbufsize); | |
1679 | meye_vm_open(vma); | |
1680 | ||
3593cab5 | 1681 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1682 | return 0; |
1683 | } | |
1684 | ||
fa027c2a | 1685 | static const struct file_operations meye_fops = { |
1da177e4 LT |
1686 | .owner = THIS_MODULE, |
1687 | .open = meye_open, | |
1688 | .release = meye_release, | |
1689 | .mmap = meye_mmap, | |
6ec6e0ce | 1690 | .ioctl = video_ioctl2, |
078ff795 | 1691 | #ifdef CONFIG_COMPAT |
0d0fbf81 | 1692 | .compat_ioctl = v4l_compat_ioctl32, |
078ff795 | 1693 | #endif |
1da177e4 LT |
1694 | .poll = meye_poll, |
1695 | .llseek = no_llseek, | |
1696 | }; | |
1697 | ||
1698 | static struct video_device meye_template = { | |
1699 | .owner = THIS_MODULE, | |
1700 | .name = "meye", | |
1701 | .type = VID_TYPE_CAPTURE, | |
1da177e4 LT |
1702 | .fops = &meye_fops, |
1703 | .release = video_device_release, | |
1704 | .minor = -1, | |
6ec6e0ce DSL |
1705 | .vidioc_querycap = vidioc_querycap, |
1706 | .vidioc_enum_input = vidioc_enum_input, | |
1707 | .vidioc_g_input = vidioc_g_input, | |
1708 | .vidioc_s_input = vidioc_s_input, | |
1709 | .vidioc_queryctrl = vidioc_queryctrl, | |
1710 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1711 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
1712 | .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap, | |
1713 | .vidioc_try_fmt_cap = vidioc_try_fmt_cap, | |
1714 | .vidioc_g_fmt_cap = vidioc_g_fmt_cap, | |
1715 | .vidioc_s_fmt_cap = vidioc_s_fmt_cap, | |
1716 | .vidioc_reqbufs = vidioc_reqbufs, | |
1717 | .vidioc_querybuf = vidioc_querybuf, | |
1718 | .vidioc_qbuf = vidioc_qbuf, | |
1719 | .vidioc_dqbuf = vidioc_dqbuf, | |
1720 | .vidioc_streamon = vidioc_streamon, | |
1721 | .vidioc_streamoff = vidioc_streamoff, | |
1722 | .vidioc_default = vidioc_default, | |
1da177e4 LT |
1723 | }; |
1724 | ||
1725 | #ifdef CONFIG_PM | |
a2910689 | 1726 | static int meye_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1727 | { |
1728 | pci_save_state(pdev); | |
1729 | meye.pm_mchip_mode = meye.mchip_mode; | |
1730 | mchip_hic_stop(); | |
1731 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1732 | return 0; | |
1733 | } | |
1734 | ||
1735 | static int meye_resume(struct pci_dev *pdev) | |
1736 | { | |
1737 | pci_restore_state(pdev); | |
1738 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1739 | ||
1740 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1741 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1742 | msleep(1); | |
1743 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1744 | msleep(1); | |
1745 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1746 | msleep(1); | |
1747 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1748 | ||
1749 | switch (meye.pm_mchip_mode) { | |
1750 | case MCHIP_HIC_MODE_CONT_OUT: | |
1751 | mchip_continuous_start(); | |
1752 | break; | |
1753 | case MCHIP_HIC_MODE_CONT_COMP: | |
1754 | mchip_cont_compression_start(); | |
1755 | break; | |
1756 | } | |
1757 | return 0; | |
1758 | } | |
1759 | #endif | |
1760 | ||
1761 | static int __devinit meye_probe(struct pci_dev *pcidev, | |
1762 | const struct pci_device_id *ent) | |
1763 | { | |
1764 | int ret = -EBUSY; | |
1765 | unsigned long mchip_adr; | |
1da177e4 LT |
1766 | |
1767 | if (meye.mchip_dev != NULL) { | |
1768 | printk(KERN_ERR "meye: only one device allowed!\n"); | |
1769 | goto outnotdev; | |
1770 | } | |
1771 | ||
1772 | meye.mchip_dev = pcidev; | |
1773 | meye.video_dev = video_device_alloc(); | |
1774 | if (!meye.video_dev) { | |
1775 | printk(KERN_ERR "meye: video_device_alloc() failed!\n"); | |
1776 | goto outnotdev; | |
1777 | } | |
1778 | ||
1779 | ret = -ENOMEM; | |
1780 | meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); | |
1781 | if (!meye.grab_temp) { | |
1782 | printk(KERN_ERR "meye: grab buffer allocation failed\n"); | |
1783 | goto outvmalloc; | |
1784 | } | |
1785 | ||
1786 | spin_lock_init(&meye.grabq_lock); | |
1787 | meye.grabq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1788 | &meye.grabq_lock); | |
1789 | if (IS_ERR(meye.grabq)) { | |
1790 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1791 | goto outkfifoalloc1; | |
1792 | } | |
1793 | spin_lock_init(&meye.doneq_lock); | |
1794 | meye.doneq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1795 | &meye.doneq_lock); | |
1796 | if (IS_ERR(meye.doneq)) { | |
1797 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1798 | goto outkfifoalloc2; | |
1799 | } | |
1800 | ||
1801 | memcpy(meye.video_dev, &meye_template, sizeof(meye_template)); | |
1802 | meye.video_dev->dev = &meye.mchip_dev->dev; | |
1803 | ||
cbefb762 | 1804 | if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) { |
1da177e4 LT |
1805 | printk(KERN_ERR "meye: unable to power on the camera\n"); |
1806 | printk(KERN_ERR "meye: did you enable the camera in " | |
1807 | "sonypi using the module options ?\n"); | |
1808 | goto outsonypienable; | |
1809 | } | |
1810 | ||
1811 | ret = -EIO; | |
1812 | if ((ret = pci_enable_device(meye.mchip_dev))) { | |
1813 | printk(KERN_ERR "meye: pci_enable_device failed\n"); | |
1814 | goto outenabledev; | |
1815 | } | |
1816 | ||
1817 | mchip_adr = pci_resource_start(meye.mchip_dev,0); | |
1818 | if (!mchip_adr) { | |
1819 | printk(KERN_ERR "meye: mchip has no device base address\n"); | |
1820 | goto outregions; | |
1821 | } | |
1822 | if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1823 | pci_resource_len(meye.mchip_dev, 0), | |
1824 | "meye")) { | |
1825 | printk(KERN_ERR "meye: request_mem_region failed\n"); | |
1826 | goto outregions; | |
1827 | } | |
1828 | meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS); | |
1829 | if (!meye.mchip_mmregs) { | |
1830 | printk(KERN_ERR "meye: ioremap failed\n"); | |
1831 | goto outremap; | |
1832 | } | |
1833 | ||
1834 | meye.mchip_irq = pcidev->irq; | |
1835 | if (request_irq(meye.mchip_irq, meye_irq, | |
8076fe32 | 1836 | IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) { |
1da177e4 LT |
1837 | printk(KERN_ERR "meye: request_irq failed\n"); |
1838 | goto outreqirq; | |
1839 | } | |
1840 | ||
1da177e4 LT |
1841 | pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8); |
1842 | pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64); | |
1843 | ||
1844 | pci_set_master(meye.mchip_dev); | |
1845 | ||
1846 | /* Ask the camera to perform a soft reset. */ | |
1847 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1848 | ||
1849 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1850 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1851 | ||
1852 | msleep(1); | |
1853 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1854 | ||
1855 | msleep(1); | |
1856 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1857 | ||
1858 | msleep(1); | |
1859 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1860 | ||
1861 | if (video_register_device(meye.video_dev, VFL_TYPE_GRABBER, | |
1862 | video_nr) < 0) { | |
1863 | printk(KERN_ERR "meye: video_register_device failed\n"); | |
1864 | goto outvideoreg; | |
1865 | } | |
1866 | ||
3593cab5 | 1867 | mutex_init(&meye.lock); |
1da177e4 LT |
1868 | init_waitqueue_head(&meye.proc_list); |
1869 | meye.picture.depth = 16; | |
1870 | meye.picture.palette = VIDEO_PALETTE_YUV422; | |
1871 | meye.picture.brightness = 32 << 10; | |
1872 | meye.picture.hue = 32 << 10; | |
1873 | meye.picture.colour = 32 << 10; | |
1874 | meye.picture.contrast = 32 << 10; | |
1875 | meye.picture.whiteness = 0; | |
1876 | meye.params.subsample = 0; | |
1877 | meye.params.quality = 8; | |
1878 | meye.params.sharpness = 32; | |
1879 | meye.params.agc = 48; | |
1880 | meye.params.picture = 0; | |
1881 | meye.params.framerate = 0; | |
1882 | ||
cbefb762 | 1883 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); |
1884 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); | |
1885 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); | |
1886 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); | |
1887 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); | |
1888 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); | |
1889 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); | |
1da177e4 LT |
1890 | |
1891 | printk(KERN_INFO "meye: Motion Eye Camera Driver v%s.\n", | |
1892 | MEYE_DRIVER_VERSION); | |
1893 | printk(KERN_INFO "meye: mchip KL5A72002 rev. %d, base %lx, irq %d\n", | |
44c10138 | 1894 | meye.mchip_dev->revision, mchip_adr, meye.mchip_irq); |
1da177e4 LT |
1895 | |
1896 | return 0; | |
1897 | ||
1898 | outvideoreg: | |
1899 | free_irq(meye.mchip_irq, meye_irq); | |
1900 | outreqirq: | |
1901 | iounmap(meye.mchip_mmregs); | |
1902 | outremap: | |
1903 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1904 | pci_resource_len(meye.mchip_dev, 0)); | |
1905 | outregions: | |
1906 | pci_disable_device(meye.mchip_dev); | |
1907 | outenabledev: | |
cbefb762 | 1908 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1909 | outsonypienable: |
1910 | kfifo_free(meye.doneq); | |
1911 | outkfifoalloc2: | |
1912 | kfifo_free(meye.grabq); | |
1913 | outkfifoalloc1: | |
1914 | vfree(meye.grab_temp); | |
1915 | outvmalloc: | |
1916 | video_device_release(meye.video_dev); | |
1917 | outnotdev: | |
1918 | return ret; | |
1919 | } | |
1920 | ||
1921 | static void __devexit meye_remove(struct pci_dev *pcidev) | |
1922 | { | |
1923 | video_unregister_device(meye.video_dev); | |
1924 | ||
1925 | mchip_hic_stop(); | |
1926 | ||
1927 | mchip_dma_free(); | |
1928 | ||
1929 | /* disable interrupts */ | |
1930 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1931 | ||
1932 | free_irq(meye.mchip_irq, meye_irq); | |
1933 | ||
1934 | iounmap(meye.mchip_mmregs); | |
1935 | ||
1936 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1937 | pci_resource_len(meye.mchip_dev, 0)); | |
1938 | ||
1939 | pci_disable_device(meye.mchip_dev); | |
1940 | ||
cbefb762 | 1941 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1942 | |
1943 | kfifo_free(meye.doneq); | |
1944 | kfifo_free(meye.grabq); | |
1945 | ||
1946 | vfree(meye.grab_temp); | |
1947 | ||
1948 | if (meye.grab_fbuffer) { | |
1949 | rvfree(meye.grab_fbuffer, gbuffers*gbufsize); | |
1950 | meye.grab_fbuffer = NULL; | |
1951 | } | |
1952 | ||
1953 | printk(KERN_INFO "meye: removed\n"); | |
1954 | } | |
1955 | ||
1956 | static struct pci_device_id meye_pci_tbl[] = { | |
1957 | { PCI_VENDOR_ID_KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002, | |
1958 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, | |
1959 | { } | |
1960 | }; | |
1961 | ||
1962 | MODULE_DEVICE_TABLE(pci, meye_pci_tbl); | |
1963 | ||
1964 | static struct pci_driver meye_driver = { | |
1965 | .name = "meye", | |
1966 | .id_table = meye_pci_tbl, | |
1967 | .probe = meye_probe, | |
1968 | .remove = __devexit_p(meye_remove), | |
1969 | #ifdef CONFIG_PM | |
1970 | .suspend = meye_suspend, | |
1971 | .resume = meye_resume, | |
1972 | #endif | |
1973 | }; | |
1974 | ||
1975 | static int __init meye_init(void) | |
1976 | { | |
1977 | gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); | |
1978 | if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE) | |
1979 | gbufsize = MEYE_MAX_BUFSIZE; | |
1980 | gbufsize = PAGE_ALIGN(gbufsize); | |
ac9bb7f5 | 1981 | printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) " |
1da177e4 LT |
1982 | "for capture\n", |
1983 | gbuffers, | |
1984 | gbufsize / 1024, gbuffers * gbufsize / 1024); | |
1985 | return pci_register_driver(&meye_driver); | |
1986 | } | |
1987 | ||
1988 | static void __exit meye_exit(void) | |
1989 | { | |
1990 | pci_unregister_driver(&meye_driver); | |
1991 | } | |
1992 | ||
1993 | module_init(meye_init); | |
1994 | module_exit(meye_exit); |