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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> | |
d43c36dc | 31 | #include <linux/sched.h> |
1da177e4 LT |
32 | #include <linux/init.h> |
33 | #include <linux/videodev.h> | |
5e87efa3 | 34 | #include <media/v4l2-common.h> |
35ea11ff | 35 | #include <media/v4l2-ioctl.h> |
1da177e4 LT |
36 | #include <asm/uaccess.h> |
37 | #include <asm/io.h> | |
38 | #include <linux/delay.h> | |
39 | #include <linux/interrupt.h> | |
40 | #include <linux/vmalloc.h> | |
d013a068 | 41 | #include <linux/dma-mapping.h> |
1da177e4 LT |
42 | |
43 | #include "meye.h" | |
44 | #include <linux/meye.h> | |
45 | ||
46 | MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); | |
6ec6e0ce | 47 | MODULE_DESCRIPTION("v4l2 driver for the MotionEye camera"); |
1da177e4 LT |
48 | MODULE_LICENSE("GPL"); |
49 | MODULE_VERSION(MEYE_DRIVER_VERSION); | |
50 | ||
1da177e4 LT |
51 | /* number of grab buffers */ |
52 | static unsigned int gbuffers = 2; | |
53 | module_param(gbuffers, int, 0444); | |
54 | MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)"); | |
55 | ||
56 | /* size of a grab buffer */ | |
57 | static unsigned int gbufsize = MEYE_MAX_BUFSIZE; | |
58 | module_param(gbufsize, int, 0444); | |
59 | MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400" | |
60 | " (will be rounded up to a page multiple)"); | |
61 | ||
62 | /* /dev/videoX registration number */ | |
63 | static int video_nr = -1; | |
64 | module_param(video_nr, int, 0444); | |
65 | MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)"); | |
66 | ||
67 | /* driver structure - only one possible */ | |
68 | static struct meye meye; | |
69 | ||
70 | /****************************************************************************/ | |
71 | /* Memory allocation routines (stolen from bttv-driver.c) */ | |
72 | /****************************************************************************/ | |
73 | static void *rvmalloc(unsigned long size) | |
74 | { | |
75 | void *mem; | |
76 | unsigned long adr; | |
77 | ||
78 | size = PAGE_ALIGN(size); | |
79 | mem = vmalloc_32(size); | |
80 | if (mem) { | |
81 | memset(mem, 0, size); | |
82 | adr = (unsigned long) mem; | |
83 | while (size > 0) { | |
84 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
85 | adr += PAGE_SIZE; | |
86 | size -= PAGE_SIZE; | |
87 | } | |
88 | } | |
89 | return mem; | |
90 | } | |
91 | ||
92 | static void rvfree(void * mem, unsigned long size) | |
93 | { | |
94 | unsigned long adr; | |
95 | ||
96 | if (mem) { | |
97 | adr = (unsigned long) mem; | |
98 | while ((long) size > 0) { | |
99 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
100 | adr += PAGE_SIZE; | |
101 | size -= PAGE_SIZE; | |
102 | } | |
103 | vfree(mem); | |
104 | } | |
105 | } | |
106 | ||
107 | /* | |
108 | * return a page table pointing to N pages of locked memory | |
109 | * | |
110 | * NOTE: The meye device expects DMA addresses on 32 bits, we build | |
111 | * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes. | |
112 | */ | |
113 | static int ptable_alloc(void) | |
114 | { | |
115 | u32 *pt; | |
116 | int i; | |
117 | ||
118 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
119 | ||
120 | /* give only 32 bit DMA addresses */ | |
284901a9 | 121 | if (dma_set_mask(&meye.mchip_dev->dev, DMA_BIT_MASK(32))) |
1da177e4 LT |
122 | return -1; |
123 | ||
124 | meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev, | |
125 | PAGE_SIZE, | |
126 | &meye.mchip_dmahandle, | |
127 | GFP_KERNEL); | |
128 | if (!meye.mchip_ptable_toc) { | |
129 | meye.mchip_dmahandle = 0; | |
130 | return -1; | |
131 | } | |
132 | ||
133 | pt = meye.mchip_ptable_toc; | |
134 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
135 | dma_addr_t dma; | |
136 | meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev, | |
137 | PAGE_SIZE, | |
138 | &dma, | |
139 | GFP_KERNEL); | |
140 | if (!meye.mchip_ptable[i]) { | |
141 | int j; | |
142 | pt = meye.mchip_ptable_toc; | |
143 | for (j = 0; j < i; ++j) { | |
144 | dma = (dma_addr_t) *pt; | |
145 | dma_free_coherent(&meye.mchip_dev->dev, | |
146 | PAGE_SIZE, | |
147 | meye.mchip_ptable[j], dma); | |
148 | pt++; | |
149 | } | |
150 | dma_free_coherent(&meye.mchip_dev->dev, | |
151 | PAGE_SIZE, | |
152 | meye.mchip_ptable_toc, | |
153 | meye.mchip_dmahandle); | |
154 | meye.mchip_ptable_toc = NULL; | |
155 | meye.mchip_dmahandle = 0; | |
156 | return -1; | |
157 | } | |
158 | *pt = (u32) dma; | |
159 | pt++; | |
160 | } | |
161 | return 0; | |
162 | } | |
163 | ||
164 | static void ptable_free(void) | |
165 | { | |
166 | u32 *pt; | |
167 | int i; | |
168 | ||
169 | pt = meye.mchip_ptable_toc; | |
170 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
171 | dma_addr_t dma = (dma_addr_t) *pt; | |
172 | if (meye.mchip_ptable[i]) | |
173 | dma_free_coherent(&meye.mchip_dev->dev, | |
174 | PAGE_SIZE, | |
175 | meye.mchip_ptable[i], dma); | |
176 | pt++; | |
177 | } | |
178 | ||
179 | if (meye.mchip_ptable_toc) | |
180 | dma_free_coherent(&meye.mchip_dev->dev, | |
181 | PAGE_SIZE, | |
182 | meye.mchip_ptable_toc, | |
183 | meye.mchip_dmahandle); | |
184 | ||
185 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
186 | meye.mchip_ptable_toc = NULL; | |
187 | meye.mchip_dmahandle = 0; | |
188 | } | |
189 | ||
190 | /* copy data from ptable into buf */ | |
191 | static void ptable_copy(u8 *buf, int start, int size, int pt_pages) | |
192 | { | |
193 | int i; | |
194 | ||
195 | for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) { | |
196 | memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE); | |
197 | if (start >= pt_pages) | |
198 | start = 0; | |
199 | } | |
200 | memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE); | |
201 | } | |
202 | ||
203 | /****************************************************************************/ | |
204 | /* JPEG tables at different qualities to load into the VRJ chip */ | |
205 | /****************************************************************************/ | |
206 | ||
207 | /* return a set of quantisation tables based on a quality from 1 to 10 */ | |
208 | static u16 *jpeg_quantisation_tables(int *length, int quality) | |
209 | { | |
210 | static u16 jpeg_tables[][70] = { { | |
211 | 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
212 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
213 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
214 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
215 | 0xffff, 0xffff, 0xffff, | |
216 | 0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
217 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
218 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
219 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
220 | 0xffff, 0xffff, 0xffff, | |
221 | }, | |
222 | { | |
223 | 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46, | |
224 | 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8, | |
225 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
226 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
227 | 0xffff, 0xffff, 0xffff, | |
228 | 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb, | |
229 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
230 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
231 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
232 | 0xffff, 0xffff, 0xffff, | |
233 | }, | |
234 | { | |
235 | 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23, | |
236 | 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164, | |
237 | 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad, | |
238 | 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff, | |
239 | 0xe6ff, 0xfffd, 0xfff8, | |
240 | 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876, | |
241 | 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
242 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
243 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
244 | 0xf8f8, 0xf8f8, 0xfff8, | |
245 | }, | |
246 | { | |
247 | 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17, | |
248 | 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042, | |
249 | 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73, | |
250 | 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba, | |
251 | 0x99c7, 0xaba8, 0xffa4, | |
252 | 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e, | |
253 | 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
254 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
255 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
256 | 0xa4a4, 0xa4a4, 0xffa4, | |
257 | }, | |
258 | { | |
259 | 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712, | |
260 | 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932, | |
261 | 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556, | |
262 | 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c, | |
263 | 0x7396, 0x817e, 0xff7c, | |
264 | 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b, | |
265 | 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
266 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
267 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
268 | 0x7c7c, 0x7c7c, 0xff7c, | |
269 | }, | |
270 | { | |
271 | 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e, | |
272 | 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28, | |
273 | 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745, | |
274 | 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470, | |
275 | 0x5c78, 0x6765, 0xff63, | |
276 | 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f, | |
277 | 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
278 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
279 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
280 | 0x6363, 0x6363, 0xff63, | |
281 | }, | |
282 | { | |
283 | 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b, | |
284 | 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20, | |
285 | 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37, | |
286 | 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a, | |
287 | 0x4a60, 0x5251, 0xff4f, | |
288 | 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26, | |
289 | 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
290 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
291 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
292 | 0x4f4f, 0x4f4f, 0xff4f, | |
293 | }, | |
294 | { | |
295 | 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08, | |
296 | 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318, | |
297 | 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129, | |
298 | 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43, | |
299 | 0x3748, 0x3e3d, 0xff3b, | |
300 | 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c, | |
301 | 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
302 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
303 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
304 | 0x3b3b, 0x3b3b, 0xff3b, | |
305 | }, | |
306 | { | |
307 | 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706, | |
308 | 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710, | |
309 | 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c, | |
310 | 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d, | |
311 | 0x2530, 0x2928, 0xff28, | |
312 | 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813, | |
313 | 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
314 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
315 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
316 | 0x2828, 0x2828, 0xff28, | |
317 | }, | |
318 | { | |
319 | 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403, | |
320 | 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08, | |
321 | 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e, | |
322 | 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416, | |
323 | 0x1218, 0x1514, 0xff14, | |
324 | 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409, | |
325 | 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
326 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
327 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
328 | 0x1414, 0x1414, 0xff14, | |
329 | }, | |
330 | { | |
331 | 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
332 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
333 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
334 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
335 | 0x0101, 0x0101, 0xff01, | |
336 | 0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
337 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
338 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
339 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
340 | 0x0101, 0x0101, 0xff01, | |
341 | } }; | |
342 | ||
343 | if (quality < 0 || quality > 10) { | |
344 | printk(KERN_WARNING | |
345 | "meye: invalid quality level %d - using 8\n", quality); | |
346 | quality = 8; | |
347 | } | |
348 | ||
349 | *length = ARRAY_SIZE(jpeg_tables[quality]); | |
350 | return jpeg_tables[quality]; | |
351 | } | |
352 | ||
353 | /* return a generic set of huffman tables */ | |
354 | static u16 *jpeg_huffman_tables(int *length) | |
355 | { | |
356 | static u16 tables[] = { | |
357 | 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405, | |
358 | 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131, | |
359 | 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142, | |
360 | 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918, | |
361 | 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443, | |
362 | 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463, | |
363 | 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483, | |
364 | 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A, | |
365 | 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8, | |
366 | 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6, | |
367 | 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2, | |
368 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
369 | 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405, | |
370 | 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206, | |
371 | 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1, | |
372 | 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125, | |
373 | 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A, | |
374 | 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A, | |
375 | 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A, | |
376 | 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, | |
377 | 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, | |
378 | 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, | |
379 | 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2, | |
380 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
381 | 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000, | |
382 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
383 | 0xFF0B, | |
384 | 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101, | |
385 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
386 | 0xFF0B | |
387 | }; | |
388 | ||
389 | *length = ARRAY_SIZE(tables); | |
390 | return tables; | |
391 | } | |
392 | ||
393 | /****************************************************************************/ | |
394 | /* MCHIP low-level functions */ | |
395 | /****************************************************************************/ | |
396 | ||
397 | /* returns the horizontal capture size */ | |
398 | static inline int mchip_hsize(void) | |
399 | { | |
400 | return meye.params.subsample ? 320 : 640; | |
401 | } | |
402 | ||
403 | /* returns the vertical capture size */ | |
404 | static inline int mchip_vsize(void) | |
405 | { | |
406 | return meye.params.subsample ? 240 : 480; | |
407 | } | |
408 | ||
409 | /* waits for a register to be available */ | |
410 | static void mchip_sync(int reg) | |
411 | { | |
412 | u32 status; | |
413 | int i; | |
414 | ||
415 | if (reg == MCHIP_MM_FIFO_DATA) { | |
416 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
417 | status = readl(meye.mchip_mmregs + | |
418 | MCHIP_MM_FIFO_STATUS); | |
419 | if (!(status & MCHIP_MM_FIFO_WAIT)) { | |
420 | printk(KERN_WARNING "meye: fifo not ready\n"); | |
421 | return; | |
422 | } | |
423 | if (status & MCHIP_MM_FIFO_READY) | |
424 | return; | |
425 | udelay(1); | |
426 | } | |
427 | } else if (reg > 0x80) { | |
428 | u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY | |
429 | : MCHIP_HIC_STATUS_VRJ_RDY; | |
430 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
431 | status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS); | |
432 | if (status & mask) | |
433 | return; | |
434 | udelay(1); | |
435 | } | |
436 | } else | |
437 | return; | |
438 | printk(KERN_WARNING | |
439 | "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n", | |
440 | reg, status); | |
441 | } | |
442 | ||
443 | /* sets a value into the register */ | |
444 | static inline void mchip_set(int reg, u32 v) | |
445 | { | |
446 | mchip_sync(reg); | |
447 | writel(v, meye.mchip_mmregs + reg); | |
448 | } | |
449 | ||
450 | /* get the register value */ | |
451 | static inline u32 mchip_read(int reg) | |
452 | { | |
453 | mchip_sync(reg); | |
454 | return readl(meye.mchip_mmregs + reg); | |
455 | } | |
456 | ||
457 | /* wait for a register to become a particular value */ | |
458 | static inline int mchip_delay(u32 reg, u32 v) | |
459 | { | |
460 | int n = 10; | |
461 | while (--n && mchip_read(reg) != v) | |
462 | udelay(1); | |
463 | return n; | |
464 | } | |
465 | ||
466 | /* setup subsampling */ | |
467 | static void mchip_subsample(void) | |
468 | { | |
469 | mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample); | |
470 | mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize()); | |
471 | mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize()); | |
472 | mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize()); | |
473 | mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize()); | |
474 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
475 | } | |
476 | ||
477 | /* set the framerate into the mchip */ | |
478 | static void mchip_set_framerate(void) | |
479 | { | |
480 | mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate); | |
481 | } | |
482 | ||
483 | /* load some huffman and quantisation tables into the VRJ chip ready | |
484 | for JPEG compression */ | |
485 | static void mchip_load_tables(void) | |
486 | { | |
487 | int i; | |
488 | int length; | |
489 | u16 *tables; | |
490 | ||
491 | tables = jpeg_huffman_tables(&length); | |
492 | for (i = 0; i < length; i++) | |
493 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
494 | ||
495 | tables = jpeg_quantisation_tables(&length, meye.params.quality); | |
496 | for (i = 0; i < length; i++) | |
497 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
498 | } | |
499 | ||
500 | /* setup the VRJ parameters in the chip */ | |
501 | static void mchip_vrj_setup(u8 mode) | |
502 | { | |
503 | mchip_set(MCHIP_VRJ_BUS_MODE, 5); | |
504 | mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f); | |
505 | mchip_set(MCHIP_VRJ_PDAT_USE, 1); | |
506 | mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0); | |
507 | mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode); | |
508 | mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize()); | |
509 | mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize()); | |
510 | mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b); | |
511 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF); | |
512 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF); | |
513 | mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC); | |
514 | mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0); | |
515 | mchip_set(MCHIP_VRJ_SOF1, 0x601); | |
516 | mchip_set(MCHIP_VRJ_SOF2, 0x1502); | |
517 | mchip_set(MCHIP_VRJ_SOF3, 0x1503); | |
518 | mchip_set(MCHIP_VRJ_SOF4, 0x1596); | |
519 | mchip_set(MCHIP_VRJ_SOS, 0x0ed0); | |
520 | ||
521 | mchip_load_tables(); | |
522 | } | |
523 | ||
524 | /* sets the DMA parameters into the chip */ | |
525 | static void mchip_dma_setup(dma_addr_t dma_addr) | |
526 | { | |
527 | int i; | |
528 | ||
529 | mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr); | |
530 | for (i = 0; i < 4; i++) | |
531 | mchip_set(MCHIP_MM_FIR(i), 0); | |
532 | meye.mchip_fnum = 0; | |
533 | } | |
534 | ||
535 | /* setup for DMA transfers - also zeros the framebuffer */ | |
536 | static int mchip_dma_alloc(void) | |
537 | { | |
538 | if (!meye.mchip_dmahandle) | |
539 | if (ptable_alloc()) | |
540 | return -1; | |
541 | return 0; | |
542 | } | |
543 | ||
544 | /* frees the DMA buffer */ | |
545 | static void mchip_dma_free(void) | |
546 | { | |
547 | if (meye.mchip_dmahandle) { | |
548 | mchip_dma_setup(0); | |
549 | ptable_free(); | |
550 | } | |
551 | } | |
552 | ||
553 | /* stop any existing HIC action and wait for any dma to complete then | |
554 | reset the dma engine */ | |
555 | static void mchip_hic_stop(void) | |
556 | { | |
557 | int i, j; | |
558 | ||
559 | meye.mchip_mode = MCHIP_HIC_MODE_NOOP; | |
560 | if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY)) | |
561 | return; | |
562 | for (i = 0; i < 20; ++i) { | |
563 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP); | |
564 | mchip_delay(MCHIP_HIC_CMD, 0); | |
565 | for (j = 0; j < 100; ++j) { | |
566 | if (mchip_delay(MCHIP_HIC_STATUS, | |
567 | MCHIP_HIC_STATUS_IDLE)) | |
568 | return; | |
569 | msleep(1); | |
570 | } | |
571 | printk(KERN_ERR "meye: need to reset HIC!\n"); | |
572 | ||
573 | mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET); | |
574 | msleep(250); | |
575 | } | |
576 | printk(KERN_ERR "meye: resetting HIC hanged!\n"); | |
577 | } | |
578 | ||
579 | /****************************************************************************/ | |
580 | /* MCHIP frame processing functions */ | |
581 | /****************************************************************************/ | |
582 | ||
583 | /* get the next ready frame from the dma engine */ | |
584 | static u32 mchip_get_frame(void) | |
585 | { | |
586 | u32 v; | |
587 | ||
588 | v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); | |
589 | return v; | |
590 | } | |
591 | ||
592 | /* frees the current frame from the dma engine */ | |
593 | static void mchip_free_frame(void) | |
594 | { | |
595 | mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0); | |
596 | meye.mchip_fnum++; | |
597 | meye.mchip_fnum %= 4; | |
598 | } | |
599 | ||
600 | /* read one frame from the framebuffer assuming it was captured using | |
601 | a uncompressed transfer */ | |
602 | static void mchip_cont_read_frame(u32 v, u8 *buf, int size) | |
603 | { | |
604 | int pt_id; | |
605 | ||
606 | pt_id = (v >> 17) & 0x3FF; | |
607 | ||
608 | ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES); | |
609 | } | |
610 | ||
611 | /* read a compressed frame from the framebuffer */ | |
612 | static int mchip_comp_read_frame(u32 v, u8 *buf, int size) | |
613 | { | |
614 | int pt_start, pt_end, trailer; | |
615 | int fsize; | |
616 | int i; | |
617 | ||
618 | pt_start = (v >> 19) & 0xFF; | |
619 | pt_end = (v >> 11) & 0xFF; | |
620 | trailer = (v >> 1) & 0x3FF; | |
621 | ||
622 | if (pt_end < pt_start) | |
623 | fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE + | |
624 | pt_end * PAGE_SIZE + trailer * 4; | |
625 | else | |
626 | fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4; | |
627 | ||
628 | if (fsize > size) { | |
629 | printk(KERN_WARNING "meye: oversized compressed frame %d\n", | |
630 | fsize); | |
631 | return -1; | |
632 | } | |
633 | ||
634 | ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG); | |
635 | ||
636 | #ifdef MEYE_JPEG_CORRECTION | |
637 | ||
638 | /* Some mchip generated jpeg frames are incorrect. In most | |
639 | * (all ?) of those cases, the final EOI (0xff 0xd9) marker | |
640 | * is not present at the end of the frame. | |
641 | * | |
642 | * Since adding the final marker is not enough to restore | |
643 | * the jpeg integrity, we drop the frame. | |
644 | */ | |
645 | ||
646 | for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ; | |
647 | ||
648 | if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9) | |
649 | return -1; | |
650 | ||
651 | #endif | |
652 | ||
653 | return fsize; | |
654 | } | |
655 | ||
656 | /* take a picture into SDRAM */ | |
657 | static void mchip_take_picture(void) | |
658 | { | |
659 | int i; | |
660 | ||
661 | mchip_hic_stop(); | |
662 | mchip_subsample(); | |
663 | mchip_dma_setup(meye.mchip_dmahandle); | |
664 | ||
665 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP); | |
666 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
667 | ||
668 | mchip_delay(MCHIP_HIC_CMD, 0); | |
669 | ||
670 | for (i = 0; i < 100; ++i) { | |
671 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
672 | break; | |
673 | msleep(1); | |
674 | } | |
675 | } | |
676 | ||
677 | /* dma a previously taken picture into a buffer */ | |
678 | static void mchip_get_picture(u8 *buf, int bufsize) | |
679 | { | |
680 | u32 v; | |
681 | int i; | |
682 | ||
683 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT); | |
684 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
685 | ||
686 | mchip_delay(MCHIP_HIC_CMD, 0); | |
687 | for (i = 0; i < 100; ++i) { | |
688 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
689 | break; | |
690 | msleep(1); | |
691 | } | |
692 | for (i = 0; i < 4; ++i) { | |
693 | v = mchip_get_frame(); | |
694 | if (v & MCHIP_MM_FIR_RDY) { | |
695 | mchip_cont_read_frame(v, buf, bufsize); | |
696 | break; | |
697 | } | |
698 | mchip_free_frame(); | |
699 | } | |
700 | } | |
701 | ||
702 | /* start continuous dma capture */ | |
703 | static void mchip_continuous_start(void) | |
704 | { | |
705 | mchip_hic_stop(); | |
706 | mchip_subsample(); | |
707 | mchip_set_framerate(); | |
708 | mchip_dma_setup(meye.mchip_dmahandle); | |
709 | ||
710 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
711 | ||
712 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT); | |
713 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
714 | ||
715 | mchip_delay(MCHIP_HIC_CMD, 0); | |
716 | } | |
717 | ||
718 | /* compress one frame into a buffer */ | |
719 | static int mchip_compress_frame(u8 *buf, int bufsize) | |
720 | { | |
721 | u32 v; | |
722 | int len = -1, i; | |
723 | ||
724 | mchip_vrj_setup(0x3f); | |
725 | udelay(50); | |
726 | ||
727 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP); | |
728 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
729 | ||
730 | mchip_delay(MCHIP_HIC_CMD, 0); | |
731 | for (i = 0; i < 100; ++i) { | |
732 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
733 | break; | |
734 | msleep(1); | |
735 | } | |
736 | ||
737 | for (i = 0; i < 4; ++i) { | |
738 | v = mchip_get_frame(); | |
739 | if (v & MCHIP_MM_FIR_RDY) { | |
740 | len = mchip_comp_read_frame(v, buf, bufsize); | |
741 | break; | |
742 | } | |
743 | mchip_free_frame(); | |
744 | } | |
745 | return len; | |
746 | } | |
747 | ||
748 | #if 0 | |
749 | /* uncompress one image into a buffer */ | |
750 | static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize) | |
751 | { | |
752 | mchip_vrj_setup(0x3f); | |
753 | udelay(50); | |
754 | ||
755 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP); | |
756 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
757 | ||
758 | mchip_delay(MCHIP_HIC_CMD, 0); | |
759 | ||
760 | return mchip_comp_read_frame(buf, bufsize); | |
761 | } | |
762 | #endif | |
763 | ||
764 | /* start continuous compressed capture */ | |
765 | static void mchip_cont_compression_start(void) | |
766 | { | |
767 | mchip_hic_stop(); | |
768 | mchip_vrj_setup(0x3f); | |
769 | mchip_subsample(); | |
770 | mchip_set_framerate(); | |
771 | mchip_dma_setup(meye.mchip_dmahandle); | |
772 | ||
773 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
774 | ||
775 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP); | |
776 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
777 | ||
778 | mchip_delay(MCHIP_HIC_CMD, 0); | |
779 | } | |
780 | ||
781 | /****************************************************************************/ | |
782 | /* Interrupt handling */ | |
783 | /****************************************************************************/ | |
784 | ||
7d12e780 | 785 | static irqreturn_t meye_irq(int irq, void *dev_id) |
1da177e4 LT |
786 | { |
787 | u32 v; | |
788 | int reqnr; | |
ff699e6b | 789 | static int sequence; |
1da177e4 LT |
790 | |
791 | v = mchip_read(MCHIP_MM_INTA); | |
792 | ||
793 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT && | |
794 | meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) | |
795 | return IRQ_NONE; | |
796 | ||
797 | again: | |
798 | v = mchip_get_frame(); | |
799 | if (!(v & MCHIP_MM_FIR_RDY)) | |
800 | return IRQ_HANDLED; | |
801 | ||
802 | if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) { | |
803 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
804 | sizeof(int)) != sizeof(int)) { | |
805 | mchip_free_frame(); | |
806 | return IRQ_HANDLED; | |
807 | } | |
808 | mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr, | |
809 | mchip_hsize() * mchip_vsize() * 2); | |
810 | meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2; | |
811 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
812 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
813 | meye.grab_buffer[reqnr].sequence = sequence++; | |
814 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
815 | wake_up_interruptible(&meye.proc_list); | |
816 | } else { | |
817 | int size; | |
818 | size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize); | |
819 | if (size == -1) { | |
820 | mchip_free_frame(); | |
821 | goto again; | |
822 | } | |
823 | if (kfifo_get(meye.grabq, (unsigned char *)&reqnr, | |
824 | sizeof(int)) != sizeof(int)) { | |
825 | mchip_free_frame(); | |
826 | goto again; | |
827 | } | |
828 | memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp, | |
829 | size); | |
830 | meye.grab_buffer[reqnr].size = size; | |
831 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
832 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
833 | meye.grab_buffer[reqnr].sequence = sequence++; | |
834 | kfifo_put(meye.doneq, (unsigned char *)&reqnr, sizeof(int)); | |
835 | wake_up_interruptible(&meye.proc_list); | |
836 | } | |
837 | mchip_free_frame(); | |
838 | goto again; | |
839 | } | |
840 | ||
841 | /****************************************************************************/ | |
842 | /* video4linux integration */ | |
843 | /****************************************************************************/ | |
844 | ||
bec43661 | 845 | static int meye_open(struct file *file) |
1da177e4 | 846 | { |
7d43cd53 | 847 | int i; |
1da177e4 | 848 | |
7d43cd53 HV |
849 | if (test_and_set_bit(0, &meye.in_use)) |
850 | return -EBUSY; | |
1da177e4 LT |
851 | |
852 | mchip_hic_stop(); | |
853 | ||
854 | if (mchip_dma_alloc()) { | |
855 | printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); | |
7d43cd53 | 856 | clear_bit(0, &meye.in_use); |
1da177e4 LT |
857 | return -ENOBUFS; |
858 | } | |
859 | ||
860 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
861 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
862 | kfifo_reset(meye.grabq); | |
863 | kfifo_reset(meye.doneq); | |
864 | return 0; | |
865 | } | |
866 | ||
bec43661 | 867 | static int meye_release(struct file *file) |
1da177e4 LT |
868 | { |
869 | mchip_hic_stop(); | |
870 | mchip_dma_free(); | |
7d43cd53 | 871 | clear_bit(0, &meye.in_use); |
1da177e4 LT |
872 | return 0; |
873 | } | |
874 | ||
6ec6e0ce | 875 | static int meyeioc_g_params(struct meye_params *p) |
1da177e4 | 876 | { |
6ec6e0ce DSL |
877 | *p = meye.params; |
878 | return 0; | |
879 | } | |
1da177e4 | 880 | |
6ec6e0ce DSL |
881 | static int meyeioc_s_params(struct meye_params *jp) |
882 | { | |
883 | if (jp->subsample > 1) | |
884 | return -EINVAL; | |
1da177e4 | 885 | |
6ec6e0ce DSL |
886 | if (jp->quality > 10) |
887 | return -EINVAL; | |
1da177e4 | 888 | |
6ec6e0ce DSL |
889 | if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63) |
890 | return -EINVAL; | |
1da177e4 | 891 | |
6ec6e0ce DSL |
892 | if (jp->framerate > 31) |
893 | return -EINVAL; | |
1da177e4 | 894 | |
6ec6e0ce | 895 | mutex_lock(&meye.lock); |
1da177e4 | 896 | |
6ec6e0ce DSL |
897 | if (meye.params.subsample != jp->subsample || |
898 | meye.params.quality != jp->quality) | |
899 | mchip_hic_stop(); /* need restart */ | |
900 | ||
901 | meye.params = *jp; | |
902 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, | |
903 | meye.params.sharpness); | |
904 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, | |
905 | meye.params.agc); | |
906 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, | |
907 | meye.params.picture); | |
908 | mutex_unlock(&meye.lock); | |
1da177e4 | 909 | |
6ec6e0ce DSL |
910 | return 0; |
911 | } | |
1da177e4 | 912 | |
6ec6e0ce DSL |
913 | static int meyeioc_qbuf_capt(int *nb) |
914 | { | |
915 | if (!meye.grab_fbuffer) | |
916 | return -EINVAL; | |
1da177e4 | 917 | |
6ec6e0ce DSL |
918 | if (*nb >= gbuffers) |
919 | return -EINVAL; | |
1da177e4 | 920 | |
6ec6e0ce DSL |
921 | if (*nb < 0) { |
922 | /* stop capture */ | |
923 | mchip_hic_stop(); | |
924 | return 0; | |
1da177e4 LT |
925 | } |
926 | ||
6ec6e0ce DSL |
927 | if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED) |
928 | return -EBUSY; | |
1da177e4 | 929 | |
6ec6e0ce | 930 | mutex_lock(&meye.lock); |
1da177e4 | 931 | |
6ec6e0ce DSL |
932 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) |
933 | mchip_cont_compression_start(); | |
1da177e4 | 934 | |
6ec6e0ce DSL |
935 | meye.grab_buffer[*nb].state = MEYE_BUF_USING; |
936 | kfifo_put(meye.grabq, (unsigned char *)nb, sizeof(int)); | |
937 | mutex_unlock(&meye.lock); | |
1da177e4 | 938 | |
6ec6e0ce DSL |
939 | return 0; |
940 | } | |
1da177e4 | 941 | |
6ec6e0ce DSL |
942 | static int meyeioc_sync(struct file *file, void *fh, int *i) |
943 | { | |
944 | int unused; | |
1da177e4 | 945 | |
6ec6e0ce DSL |
946 | if (*i < 0 || *i >= gbuffers) |
947 | return -EINVAL; | |
948 | ||
949 | mutex_lock(&meye.lock); | |
950 | switch (meye.grab_buffer[*i].state) { | |
951 | ||
952 | case MEYE_BUF_UNUSED: | |
3593cab5 | 953 | mutex_unlock(&meye.lock); |
6ec6e0ce DSL |
954 | return -EINVAL; |
955 | case MEYE_BUF_USING: | |
956 | if (file->f_flags & O_NONBLOCK) { | |
957 | mutex_unlock(&meye.lock); | |
958 | return -EAGAIN; | |
959 | } | |
960 | if (wait_event_interruptible(meye.proc_list, | |
961 | (meye.grab_buffer[*i].state != MEYE_BUF_USING))) { | |
962 | mutex_unlock(&meye.lock); | |
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)); | |
1da177e4 | 969 | } |
6ec6e0ce DSL |
970 | *i = meye.grab_buffer[*i].size; |
971 | mutex_unlock(&meye.lock); | |
972 | return 0; | |
973 | } | |
974 | ||
975 | static int meyeioc_stillcapt(void) | |
976 | { | |
977 | if (!meye.grab_fbuffer) | |
978 | return -EINVAL; | |
1da177e4 | 979 | |
6ec6e0ce DSL |
980 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) |
981 | return -EBUSY; | |
1da177e4 | 982 | |
6ec6e0ce DSL |
983 | mutex_lock(&meye.lock); |
984 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
985 | mchip_take_picture(); | |
1da177e4 | 986 | |
6ec6e0ce DSL |
987 | mchip_get_picture(meye.grab_fbuffer, |
988 | mchip_hsize() * mchip_vsize() * 2); | |
1da177e4 | 989 | |
6ec6e0ce DSL |
990 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
991 | mutex_unlock(&meye.lock); | |
992 | ||
993 | return 0; | |
994 | } | |
995 | ||
996 | static int meyeioc_stilljcapt(int *len) | |
997 | { | |
998 | if (!meye.grab_fbuffer) | |
999 | return -EINVAL; | |
1000 | ||
1001 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1002 | return -EBUSY; | |
1da177e4 | 1003 | |
6ec6e0ce DSL |
1004 | mutex_lock(&meye.lock); |
1005 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
1006 | *len = -1; | |
1da177e4 | 1007 | |
6ec6e0ce | 1008 | while (*len == -1) { |
1da177e4 | 1009 | mchip_take_picture(); |
6ec6e0ce | 1010 | *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize); |
1da177e4 LT |
1011 | } |
1012 | ||
6ec6e0ce DSL |
1013 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
1014 | mutex_unlock(&meye.lock); | |
1015 | return 0; | |
1016 | } | |
1da177e4 | 1017 | |
6ec6e0ce DSL |
1018 | static int vidioc_querycap(struct file *file, void *fh, |
1019 | struct v4l2_capability *cap) | |
1020 | { | |
6ec6e0ce DSL |
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 | ||
6ec6e0ce DSL |
1039 | strcpy(i->name, "Camera"); |
1040 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) | |
1046 | { | |
1047 | *i = 0; | |
1048 | return 0; | |
1049 | } | |
1050 | ||
1051 | static int vidioc_s_input(struct file *file, void *fh, unsigned int i) | |
1052 | { | |
1053 | if (i != 0) | |
1054 | return -EINVAL; | |
1da177e4 | 1055 | |
6ec6e0ce DSL |
1056 | return 0; |
1057 | } | |
1058 | ||
1059 | static int vidioc_queryctrl(struct file *file, void *fh, | |
1060 | struct v4l2_queryctrl *c) | |
1061 | { | |
1062 | switch (c->id) { | |
1063 | ||
1064 | case V4L2_CID_BRIGHTNESS: | |
1065 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1066 | strcpy(c->name, "Brightness"); | |
1067 | c->minimum = 0; | |
1068 | c->maximum = 63; | |
1069 | c->step = 1; | |
1070 | c->default_value = 32; | |
1071 | c->flags = 0; | |
1072 | break; | |
1073 | case V4L2_CID_HUE: | |
1074 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1075 | strcpy(c->name, "Hue"); | |
1076 | c->minimum = 0; | |
1077 | c->maximum = 63; | |
1078 | c->step = 1; | |
1079 | c->default_value = 32; | |
1080 | c->flags = 0; | |
1081 | break; | |
1082 | case V4L2_CID_CONTRAST: | |
1083 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1084 | strcpy(c->name, "Contrast"); | |
1085 | c->minimum = 0; | |
1086 | c->maximum = 63; | |
1087 | c->step = 1; | |
1088 | c->default_value = 32; | |
1089 | c->flags = 0; | |
1090 | break; | |
1091 | case V4L2_CID_SATURATION: | |
1092 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1093 | strcpy(c->name, "Saturation"); | |
1094 | c->minimum = 0; | |
1095 | c->maximum = 63; | |
1096 | c->step = 1; | |
1097 | c->default_value = 32; | |
1098 | c->flags = 0; | |
1da177e4 | 1099 | break; |
6ec6e0ce DSL |
1100 | case V4L2_CID_AGC: |
1101 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1102 | strcpy(c->name, "Agc"); | |
1103 | c->minimum = 0; | |
1104 | c->maximum = 63; | |
1105 | c->step = 1; | |
1106 | c->default_value = 48; | |
1107 | c->flags = 0; | |
1108 | break; | |
1109 | case V4L2_CID_MEYE_SHARPNESS: | |
1110 | case V4L2_CID_SHARPNESS: | |
1111 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1112 | strcpy(c->name, "Sharpness"); | |
1113 | c->minimum = 0; | |
1114 | c->maximum = 63; | |
1115 | c->step = 1; | |
1116 | c->default_value = 32; | |
1117 | ||
1118 | /* Continue to report legacy private SHARPNESS ctrl but | |
1119 | * say it is disabled in preference to ctrl in the spec | |
1120 | */ | |
1121 | c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 : | |
1122 | V4L2_CTRL_FLAG_DISABLED; | |
1123 | break; | |
1124 | case V4L2_CID_PICTURE: | |
1125 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1126 | strcpy(c->name, "Picture"); | |
1127 | c->minimum = 0; | |
1128 | c->maximum = 63; | |
1129 | c->step = 1; | |
1130 | c->default_value = 0; | |
1131 | c->flags = 0; | |
1132 | break; | |
1133 | case V4L2_CID_JPEGQUAL: | |
1134 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1135 | strcpy(c->name, "JPEG quality"); | |
1136 | c->minimum = 0; | |
1137 | c->maximum = 10; | |
1138 | c->step = 1; | |
1139 | c->default_value = 8; | |
1140 | c->flags = 0; | |
1141 | break; | |
1142 | case V4L2_CID_FRAMERATE: | |
1143 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1144 | strcpy(c->name, "Framerate"); | |
1145 | c->minimum = 0; | |
1146 | c->maximum = 31; | |
1147 | c->step = 1; | |
1148 | c->default_value = 0; | |
1149 | c->flags = 0; | |
1150 | break; | |
1151 | default: | |
1152 | return -EINVAL; | |
1da177e4 LT |
1153 | } |
1154 | ||
6ec6e0ce DSL |
1155 | return 0; |
1156 | } | |
1da177e4 | 1157 | |
6ec6e0ce DSL |
1158 | static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1159 | { | |
1160 | mutex_lock(&meye.lock); | |
1161 | switch (c->id) { | |
1162 | case V4L2_CID_BRIGHTNESS: | |
1163 | sony_pic_camera_command( | |
1164 | SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); | |
1165 | meye.picture.brightness = c->value << 10; | |
1166 | break; | |
1167 | case V4L2_CID_HUE: | |
1168 | sony_pic_camera_command( | |
1169 | SONY_PIC_COMMAND_SETCAMERAHUE, c->value); | |
1170 | meye.picture.hue = c->value << 10; | |
1171 | break; | |
1172 | case V4L2_CID_CONTRAST: | |
1173 | sony_pic_camera_command( | |
1174 | SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); | |
1175 | meye.picture.contrast = c->value << 10; | |
1176 | break; | |
1177 | case V4L2_CID_SATURATION: | |
1178 | sony_pic_camera_command( | |
1179 | SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); | |
1180 | meye.picture.colour = c->value << 10; | |
1181 | break; | |
1182 | case V4L2_CID_AGC: | |
1183 | sony_pic_camera_command( | |
1184 | SONY_PIC_COMMAND_SETCAMERAAGC, c->value); | |
1185 | meye.params.agc = c->value; | |
1186 | break; | |
1187 | case V4L2_CID_SHARPNESS: | |
1188 | case V4L2_CID_MEYE_SHARPNESS: | |
1189 | sony_pic_camera_command( | |
1190 | SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); | |
1191 | meye.params.sharpness = c->value; | |
1192 | break; | |
1193 | case V4L2_CID_PICTURE: | |
1194 | sony_pic_camera_command( | |
1195 | SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); | |
1196 | meye.params.picture = c->value; | |
1197 | break; | |
1198 | case V4L2_CID_JPEGQUAL: | |
1199 | meye.params.quality = c->value; | |
1da177e4 | 1200 | break; |
6ec6e0ce DSL |
1201 | case V4L2_CID_FRAMERATE: |
1202 | meye.params.framerate = c->value; | |
1203 | break; | |
1204 | default: | |
1205 | mutex_unlock(&meye.lock); | |
1206 | return -EINVAL; | |
1da177e4 | 1207 | } |
6ec6e0ce | 1208 | mutex_unlock(&meye.lock); |
1da177e4 | 1209 | |
6ec6e0ce DSL |
1210 | return 0; |
1211 | } | |
1da177e4 | 1212 | |
6ec6e0ce DSL |
1213 | static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1214 | { | |
1215 | mutex_lock(&meye.lock); | |
1216 | switch (c->id) { | |
1217 | case V4L2_CID_BRIGHTNESS: | |
1218 | c->value = meye.picture.brightness >> 10; | |
1219 | break; | |
1220 | case V4L2_CID_HUE: | |
1221 | c->value = meye.picture.hue >> 10; | |
1222 | break; | |
1223 | case V4L2_CID_CONTRAST: | |
1224 | c->value = meye.picture.contrast >> 10; | |
1225 | break; | |
1226 | case V4L2_CID_SATURATION: | |
1227 | c->value = meye.picture.colour >> 10; | |
1228 | break; | |
1229 | case V4L2_CID_AGC: | |
1230 | c->value = meye.params.agc; | |
1da177e4 | 1231 | break; |
6ec6e0ce DSL |
1232 | case V4L2_CID_SHARPNESS: |
1233 | case V4L2_CID_MEYE_SHARPNESS: | |
1234 | c->value = meye.params.sharpness; | |
1235 | break; | |
1236 | case V4L2_CID_PICTURE: | |
1237 | c->value = meye.params.picture; | |
1238 | break; | |
1239 | case V4L2_CID_JPEGQUAL: | |
1240 | c->value = meye.params.quality; | |
1241 | break; | |
1242 | case V4L2_CID_FRAMERATE: | |
1243 | c->value = meye.params.framerate; | |
1244 | break; | |
1245 | default: | |
1246 | mutex_unlock(&meye.lock); | |
1247 | return -EINVAL; | |
1da177e4 | 1248 | } |
6ec6e0ce DSL |
1249 | mutex_unlock(&meye.lock); |
1250 | ||
1251 | return 0; | |
1252 | } | |
1da177e4 | 1253 | |
78b526a4 | 1254 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1255 | struct v4l2_fmtdesc *f) |
1256 | { | |
1257 | if (f->index > 1) | |
1258 | return -EINVAL; | |
1da177e4 | 1259 | |
6ec6e0ce DSL |
1260 | if (f->index == 0) { |
1261 | /* standard YUV 422 capture */ | |
6ec6e0ce DSL |
1262 | f->flags = 0; |
1263 | strcpy(f->description, "YUV422"); | |
1264 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
1265 | } else { | |
1266 | /* compressed MJPEG capture */ | |
6ec6e0ce DSL |
1267 | f->flags = V4L2_FMT_FLAG_COMPRESSED; |
1268 | strcpy(f->description, "MJPEG"); | |
1269 | f->pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1270 | } |
1271 | ||
6ec6e0ce DSL |
1272 | return 0; |
1273 | } | |
1da177e4 | 1274 | |
78b526a4 | 1275 | static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1276 | struct v4l2_format *f) |
1277 | { | |
6ec6e0ce DSL |
1278 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1279 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1280 | return -EINVAL; | |
1281 | ||
1282 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1283 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1284 | return -EINVAL; | |
1285 | ||
1286 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1287 | ||
1288 | if (f->fmt.pix.width <= 320) { | |
1289 | f->fmt.pix.width = 320; | |
1290 | f->fmt.pix.height = 240; | |
1291 | } else { | |
1292 | f->fmt.pix.width = 640; | |
1293 | f->fmt.pix.height = 480; | |
1da177e4 LT |
1294 | } |
1295 | ||
6ec6e0ce DSL |
1296 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; |
1297 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1298 | f->fmt.pix.bytesperline; | |
1299 | f->fmt.pix.colorspace = 0; | |
1300 | f->fmt.pix.priv = 0; | |
1da177e4 | 1301 | |
6ec6e0ce DSL |
1302 | return 0; |
1303 | } | |
1304 | ||
78b526a4 HV |
1305 | static int vidioc_g_fmt_vid_cap(struct file *file, void *fh, |
1306 | struct v4l2_format *f) | |
6ec6e0ce | 1307 | { |
6ec6e0ce DSL |
1308 | switch (meye.mchip_mode) { |
1309 | case MCHIP_HIC_MODE_CONT_OUT: | |
1310 | default: | |
1311 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; | |
1312 | break; | |
1313 | case MCHIP_HIC_MODE_CONT_COMP: | |
1314 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1315 | break; |
1316 | } | |
1317 | ||
6ec6e0ce DSL |
1318 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1319 | f->fmt.pix.width = mchip_hsize(); | |
1320 | f->fmt.pix.height = mchip_vsize(); | |
1321 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1322 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1323 | f->fmt.pix.bytesperline; | |
6ec6e0ce DSL |
1324 | |
1325 | return 0; | |
1326 | } | |
1327 | ||
78b526a4 HV |
1328 | static int vidioc_s_fmt_vid_cap(struct file *file, void *fh, |
1329 | struct v4l2_format *f) | |
6ec6e0ce | 1330 | { |
6ec6e0ce DSL |
1331 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1332 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1333 | return -EINVAL; | |
1334 | ||
1335 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1336 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1337 | return -EINVAL; | |
1338 | ||
1339 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1340 | mutex_lock(&meye.lock); | |
1341 | ||
1342 | if (f->fmt.pix.width <= 320) { | |
1343 | f->fmt.pix.width = 320; | |
1344 | f->fmt.pix.height = 240; | |
1345 | meye.params.subsample = 1; | |
1346 | } else { | |
1347 | f->fmt.pix.width = 640; | |
1348 | f->fmt.pix.height = 480; | |
1349 | meye.params.subsample = 0; | |
1da177e4 LT |
1350 | } |
1351 | ||
6ec6e0ce DSL |
1352 | switch (f->fmt.pix.pixelformat) { |
1353 | case V4L2_PIX_FMT_YUYV: | |
1354 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
1355 | break; | |
1356 | case V4L2_PIX_FMT_MJPEG: | |
1357 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
1da177e4 LT |
1358 | break; |
1359 | } | |
1360 | ||
6ec6e0ce DSL |
1361 | mutex_unlock(&meye.lock); |
1362 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1363 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1364 | f->fmt.pix.bytesperline; | |
1365 | f->fmt.pix.colorspace = 0; | |
1366 | f->fmt.pix.priv = 0; | |
1da177e4 | 1367 | |
6ec6e0ce DSL |
1368 | return 0; |
1369 | } | |
1da177e4 | 1370 | |
6ec6e0ce DSL |
1371 | static int vidioc_reqbufs(struct file *file, void *fh, |
1372 | struct v4l2_requestbuffers *req) | |
1373 | { | |
1374 | int i; | |
1da177e4 | 1375 | |
6ec6e0ce DSL |
1376 | if (req->memory != V4L2_MEMORY_MMAP) |
1377 | return -EINVAL; | |
1da177e4 | 1378 | |
6ec6e0ce DSL |
1379 | if (meye.grab_fbuffer && req->count == gbuffers) { |
1380 | /* already allocated, no modifications */ | |
1381 | return 0; | |
1da177e4 LT |
1382 | } |
1383 | ||
6ec6e0ce DSL |
1384 | mutex_lock(&meye.lock); |
1385 | if (meye.grab_fbuffer) { | |
1386 | for (i = 0; i < gbuffers; i++) | |
1387 | if (meye.vma_use_count[i]) { | |
1388 | mutex_unlock(&meye.lock); | |
1389 | return -EINVAL; | |
1390 | } | |
1391 | rvfree(meye.grab_fbuffer, gbuffers * gbufsize); | |
1392 | meye.grab_fbuffer = NULL; | |
1da177e4 LT |
1393 | } |
1394 | ||
6ec6e0ce DSL |
1395 | gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS)); |
1396 | req->count = gbuffers; | |
1397 | meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize); | |
1398 | ||
1399 | if (!meye.grab_fbuffer) { | |
1400 | printk(KERN_ERR "meye: v4l framebuffer allocation" | |
1401 | " failed\n"); | |
3593cab5 | 1402 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1403 | return -ENOMEM; |
1da177e4 LT |
1404 | } |
1405 | ||
6ec6e0ce DSL |
1406 | for (i = 0; i < gbuffers; i++) |
1407 | meye.vma_use_count[i] = 0; | |
1da177e4 | 1408 | |
6ec6e0ce | 1409 | mutex_unlock(&meye.lock); |
1da177e4 | 1410 | |
6ec6e0ce DSL |
1411 | return 0; |
1412 | } | |
1413 | ||
1414 | static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1415 | { | |
6174523c | 1416 | unsigned int index = buf->index; |
6ec6e0ce | 1417 | |
6174523c | 1418 | if (index >= gbuffers) |
6ec6e0ce DSL |
1419 | return -EINVAL; |
1420 | ||
6ec6e0ce DSL |
1421 | buf->bytesused = meye.grab_buffer[index].size; |
1422 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1423 | ||
1424 | if (meye.grab_buffer[index].state == MEYE_BUF_USING) | |
1425 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1426 | ||
1427 | if (meye.grab_buffer[index].state == MEYE_BUF_DONE) | |
1428 | buf->flags |= V4L2_BUF_FLAG_DONE; | |
1429 | ||
1430 | buf->field = V4L2_FIELD_NONE; | |
1431 | buf->timestamp = meye.grab_buffer[index].timestamp; | |
1432 | buf->sequence = meye.grab_buffer[index].sequence; | |
1433 | buf->memory = V4L2_MEMORY_MMAP; | |
1434 | buf->m.offset = index * gbufsize; | |
1435 | buf->length = gbufsize; | |
1436 | ||
1437 | return 0; | |
1438 | } | |
1439 | ||
1440 | static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1441 | { | |
6ec6e0ce DSL |
1442 | if (buf->memory != V4L2_MEMORY_MMAP) |
1443 | return -EINVAL; | |
1444 | ||
6174523c | 1445 | if (buf->index >= gbuffers) |
6ec6e0ce DSL |
1446 | return -EINVAL; |
1447 | ||
1448 | if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED) | |
1449 | return -EINVAL; | |
1450 | ||
1451 | mutex_lock(&meye.lock); | |
1452 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1453 | buf->flags &= ~V4L2_BUF_FLAG_DONE; | |
1454 | meye.grab_buffer[buf->index].state = MEYE_BUF_USING; | |
1455 | kfifo_put(meye.grabq, (unsigned char *)&buf->index, sizeof(int)); | |
1456 | mutex_unlock(&meye.lock); | |
1457 | ||
1458 | return 0; | |
1459 | } | |
1460 | ||
1461 | static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1462 | { | |
1463 | int reqnr; | |
1464 | ||
6ec6e0ce DSL |
1465 | if (buf->memory != V4L2_MEMORY_MMAP) |
1466 | return -EINVAL; | |
1467 | ||
1468 | mutex_lock(&meye.lock); | |
1469 | ||
1470 | if (kfifo_len(meye.doneq) == 0 && file->f_flags & O_NONBLOCK) { | |
3593cab5 | 1471 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1472 | return -EAGAIN; |
1da177e4 LT |
1473 | } |
1474 | ||
6ec6e0ce DSL |
1475 | if (wait_event_interruptible(meye.proc_list, |
1476 | kfifo_len(meye.doneq) != 0) < 0) { | |
3593cab5 | 1477 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1478 | return -EINTR; |
1da177e4 LT |
1479 | } |
1480 | ||
6ec6e0ce DSL |
1481 | if (!kfifo_get(meye.doneq, (unsigned char *)&reqnr, |
1482 | sizeof(int))) { | |
1483 | mutex_unlock(&meye.lock); | |
1484 | return -EBUSY; | |
1485 | } | |
1da177e4 | 1486 | |
6ec6e0ce | 1487 | if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) { |
3593cab5 | 1488 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1489 | return -EINVAL; |
1da177e4 LT |
1490 | } |
1491 | ||
6ec6e0ce DSL |
1492 | buf->index = reqnr; |
1493 | buf->bytesused = meye.grab_buffer[reqnr].size; | |
1494 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1495 | buf->field = V4L2_FIELD_NONE; | |
1496 | buf->timestamp = meye.grab_buffer[reqnr].timestamp; | |
1497 | buf->sequence = meye.grab_buffer[reqnr].sequence; | |
1498 | buf->memory = V4L2_MEMORY_MMAP; | |
1499 | buf->m.offset = reqnr * gbufsize; | |
1500 | buf->length = gbufsize; | |
1501 | meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED; | |
1502 | mutex_unlock(&meye.lock); | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1da177e4 | 1506 | |
6ec6e0ce DSL |
1507 | static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) |
1508 | { | |
1509 | mutex_lock(&meye.lock); | |
1510 | ||
1511 | switch (meye.mchip_mode) { | |
1512 | case MCHIP_HIC_MODE_CONT_OUT: | |
1513 | mchip_continuous_start(); | |
1514 | break; | |
1515 | case MCHIP_HIC_MODE_CONT_COMP: | |
1516 | mchip_cont_compression_start(); | |
1517 | break; | |
1da177e4 | 1518 | default: |
6ec6e0ce DSL |
1519 | mutex_unlock(&meye.lock); |
1520 | return -EINVAL; | |
1da177e4 LT |
1521 | } |
1522 | ||
6ec6e0ce DSL |
1523 | mutex_unlock(&meye.lock); |
1524 | ||
1da177e4 LT |
1525 | return 0; |
1526 | } | |
1527 | ||
6ec6e0ce | 1528 | static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) |
1da177e4 | 1529 | { |
6ec6e0ce DSL |
1530 | mutex_lock(&meye.lock); |
1531 | mchip_hic_stop(); | |
1532 | kfifo_reset(meye.grabq); | |
1533 | kfifo_reset(meye.doneq); | |
1534 | ||
1535 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
1536 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
1537 | ||
1538 | mutex_unlock(&meye.lock); | |
1539 | return 0; | |
1540 | } | |
1541 | ||
069b7479 | 1542 | static long vidioc_default(struct file *file, void *fh, int cmd, void *arg) |
6ec6e0ce DSL |
1543 | { |
1544 | switch (cmd) { | |
1545 | case MEYEIOC_G_PARAMS: | |
1546 | return meyeioc_g_params((struct meye_params *) arg); | |
1547 | ||
1548 | case MEYEIOC_S_PARAMS: | |
1549 | return meyeioc_s_params((struct meye_params *) arg); | |
1550 | ||
1551 | case MEYEIOC_QBUF_CAPT: | |
1552 | return meyeioc_qbuf_capt((int *) arg); | |
1553 | ||
1554 | case MEYEIOC_SYNC: | |
1555 | return meyeioc_sync(file, fh, (int *) arg); | |
1556 | ||
1557 | case MEYEIOC_STILLCAPT: | |
1558 | return meyeioc_stillcapt(); | |
1559 | ||
1560 | case MEYEIOC_STILLJCAPT: | |
1561 | return meyeioc_stilljcapt((int *) arg); | |
1562 | ||
1563 | default: | |
1564 | return -EINVAL; | |
1565 | } | |
1566 | ||
1da177e4 LT |
1567 | } |
1568 | ||
1569 | static unsigned int meye_poll(struct file *file, poll_table *wait) | |
1570 | { | |
1571 | unsigned int res = 0; | |
1572 | ||
3593cab5 | 1573 | mutex_lock(&meye.lock); |
1da177e4 LT |
1574 | poll_wait(file, &meye.proc_list, wait); |
1575 | if (kfifo_len(meye.doneq)) | |
1576 | res = POLLIN | POLLRDNORM; | |
3593cab5 | 1577 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1578 | return res; |
1579 | } | |
1580 | ||
1581 | static void meye_vm_open(struct vm_area_struct *vma) | |
1582 | { | |
d6144028 | 1583 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1584 | meye.vma_use_count[idx]++; |
1585 | } | |
1586 | ||
1587 | static void meye_vm_close(struct vm_area_struct *vma) | |
1588 | { | |
d6144028 | 1589 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1590 | meye.vma_use_count[idx]--; |
1591 | } | |
1592 | ||
f0f37e2f | 1593 | static const struct vm_operations_struct meye_vm_ops = { |
1da177e4 LT |
1594 | .open = meye_vm_open, |
1595 | .close = meye_vm_close, | |
1596 | }; | |
1597 | ||
1598 | static int meye_mmap(struct file *file, struct vm_area_struct *vma) | |
1599 | { | |
1600 | unsigned long start = vma->vm_start; | |
1601 | unsigned long size = vma->vm_end - vma->vm_start; | |
1602 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
1603 | unsigned long page, pos; | |
1604 | ||
3593cab5 | 1605 | mutex_lock(&meye.lock); |
1da177e4 | 1606 | if (size > gbuffers * gbufsize) { |
3593cab5 | 1607 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1608 | return -EINVAL; |
1609 | } | |
1610 | if (!meye.grab_fbuffer) { | |
1611 | int i; | |
1612 | ||
1613 | /* lazy allocation */ | |
1614 | meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize); | |
1615 | if (!meye.grab_fbuffer) { | |
1616 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); | |
3593cab5 | 1617 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1618 | return -ENOMEM; |
1619 | } | |
1620 | for (i = 0; i < gbuffers; i++) | |
1621 | meye.vma_use_count[i] = 0; | |
1622 | } | |
1623 | pos = (unsigned long)meye.grab_fbuffer + offset; | |
1624 | ||
1625 | while (size > 0) { | |
1626 | page = vmalloc_to_pfn((void *)pos); | |
1627 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 1628 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1629 | return -EAGAIN; |
1630 | } | |
1631 | start += PAGE_SIZE; | |
1632 | pos += PAGE_SIZE; | |
1633 | if (size > PAGE_SIZE) | |
1634 | size -= PAGE_SIZE; | |
1635 | else | |
1636 | size = 0; | |
1637 | } | |
1638 | ||
1639 | vma->vm_ops = &meye_vm_ops; | |
1640 | vma->vm_flags &= ~VM_IO; /* not I/O memory */ | |
1641 | vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ | |
1642 | vma->vm_private_data = (void *) (offset / gbufsize); | |
1643 | meye_vm_open(vma); | |
1644 | ||
3593cab5 | 1645 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1646 | return 0; |
1647 | } | |
1648 | ||
bec43661 | 1649 | static const struct v4l2_file_operations meye_fops = { |
1da177e4 LT |
1650 | .owner = THIS_MODULE, |
1651 | .open = meye_open, | |
1652 | .release = meye_release, | |
1653 | .mmap = meye_mmap, | |
6ec6e0ce | 1654 | .ioctl = video_ioctl2, |
1da177e4 | 1655 | .poll = meye_poll, |
1da177e4 LT |
1656 | }; |
1657 | ||
a399810c | 1658 | static const struct v4l2_ioctl_ops meye_ioctl_ops = { |
6ec6e0ce DSL |
1659 | .vidioc_querycap = vidioc_querycap, |
1660 | .vidioc_enum_input = vidioc_enum_input, | |
1661 | .vidioc_g_input = vidioc_g_input, | |
1662 | .vidioc_s_input = vidioc_s_input, | |
1663 | .vidioc_queryctrl = vidioc_queryctrl, | |
1664 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1665 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
78b526a4 HV |
1666 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1667 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1668 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1669 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
6ec6e0ce DSL |
1670 | .vidioc_reqbufs = vidioc_reqbufs, |
1671 | .vidioc_querybuf = vidioc_querybuf, | |
1672 | .vidioc_qbuf = vidioc_qbuf, | |
1673 | .vidioc_dqbuf = vidioc_dqbuf, | |
1674 | .vidioc_streamon = vidioc_streamon, | |
1675 | .vidioc_streamoff = vidioc_streamoff, | |
1676 | .vidioc_default = vidioc_default, | |
1da177e4 LT |
1677 | }; |
1678 | ||
a399810c | 1679 | static struct video_device meye_template = { |
a399810c | 1680 | .name = "meye", |
a399810c HV |
1681 | .fops = &meye_fops, |
1682 | .ioctl_ops = &meye_ioctl_ops, | |
1683 | .release = video_device_release, | |
1684 | .minor = -1, | |
1685 | }; | |
1686 | ||
1da177e4 | 1687 | #ifdef CONFIG_PM |
a2910689 | 1688 | static int meye_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1689 | { |
1690 | pci_save_state(pdev); | |
1691 | meye.pm_mchip_mode = meye.mchip_mode; | |
1692 | mchip_hic_stop(); | |
1693 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1694 | return 0; | |
1695 | } | |
1696 | ||
1697 | static int meye_resume(struct pci_dev *pdev) | |
1698 | { | |
1699 | pci_restore_state(pdev); | |
1700 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1701 | ||
1702 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1703 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1704 | msleep(1); | |
1705 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1706 | msleep(1); | |
1707 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1708 | msleep(1); | |
1709 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1710 | ||
1711 | switch (meye.pm_mchip_mode) { | |
1712 | case MCHIP_HIC_MODE_CONT_OUT: | |
1713 | mchip_continuous_start(); | |
1714 | break; | |
1715 | case MCHIP_HIC_MODE_CONT_COMP: | |
1716 | mchip_cont_compression_start(); | |
1717 | break; | |
1718 | } | |
1719 | return 0; | |
1720 | } | |
1721 | #endif | |
1722 | ||
1723 | static int __devinit meye_probe(struct pci_dev *pcidev, | |
1724 | const struct pci_device_id *ent) | |
1725 | { | |
1726 | int ret = -EBUSY; | |
1727 | unsigned long mchip_adr; | |
1da177e4 LT |
1728 | |
1729 | if (meye.mchip_dev != NULL) { | |
1730 | printk(KERN_ERR "meye: only one device allowed!\n"); | |
1731 | goto outnotdev; | |
1732 | } | |
1733 | ||
ef0e3c26 | 1734 | ret = -ENOMEM; |
1da177e4 LT |
1735 | meye.mchip_dev = pcidev; |
1736 | meye.video_dev = video_device_alloc(); | |
1737 | if (!meye.video_dev) { | |
1738 | printk(KERN_ERR "meye: video_device_alloc() failed!\n"); | |
1739 | goto outnotdev; | |
1740 | } | |
1741 | ||
1da177e4 LT |
1742 | meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); |
1743 | if (!meye.grab_temp) { | |
1744 | printk(KERN_ERR "meye: grab buffer allocation failed\n"); | |
1745 | goto outvmalloc; | |
1746 | } | |
1747 | ||
1748 | spin_lock_init(&meye.grabq_lock); | |
1749 | meye.grabq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1750 | &meye.grabq_lock); | |
1751 | if (IS_ERR(meye.grabq)) { | |
1752 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1753 | goto outkfifoalloc1; | |
1754 | } | |
1755 | spin_lock_init(&meye.doneq_lock); | |
1756 | meye.doneq = kfifo_alloc(sizeof(int) * MEYE_MAX_BUFNBRS, GFP_KERNEL, | |
1757 | &meye.doneq_lock); | |
1758 | if (IS_ERR(meye.doneq)) { | |
1759 | printk(KERN_ERR "meye: fifo allocation failed\n"); | |
1760 | goto outkfifoalloc2; | |
1761 | } | |
1762 | ||
1763 | memcpy(meye.video_dev, &meye_template, sizeof(meye_template)); | |
5e85e732 | 1764 | meye.video_dev->parent = &meye.mchip_dev->dev; |
1da177e4 | 1765 | |
5b5aff83 | 1766 | ret = -EIO; |
cbefb762 | 1767 | if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) { |
1da177e4 LT |
1768 | printk(KERN_ERR "meye: unable to power on the camera\n"); |
1769 | printk(KERN_ERR "meye: did you enable the camera in " | |
1770 | "sonypi using the module options ?\n"); | |
1771 | goto outsonypienable; | |
1772 | } | |
1773 | ||
1da177e4 LT |
1774 | if ((ret = pci_enable_device(meye.mchip_dev))) { |
1775 | printk(KERN_ERR "meye: pci_enable_device failed\n"); | |
1776 | goto outenabledev; | |
1777 | } | |
1778 | ||
1779 | mchip_adr = pci_resource_start(meye.mchip_dev,0); | |
1780 | if (!mchip_adr) { | |
1781 | printk(KERN_ERR "meye: mchip has no device base address\n"); | |
1782 | goto outregions; | |
1783 | } | |
1784 | if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1785 | pci_resource_len(meye.mchip_dev, 0), | |
1786 | "meye")) { | |
1787 | printk(KERN_ERR "meye: request_mem_region failed\n"); | |
1788 | goto outregions; | |
1789 | } | |
1790 | meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS); | |
1791 | if (!meye.mchip_mmregs) { | |
1792 | printk(KERN_ERR "meye: ioremap failed\n"); | |
1793 | goto outremap; | |
1794 | } | |
1795 | ||
1796 | meye.mchip_irq = pcidev->irq; | |
1797 | if (request_irq(meye.mchip_irq, meye_irq, | |
8076fe32 | 1798 | IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) { |
1da177e4 LT |
1799 | printk(KERN_ERR "meye: request_irq failed\n"); |
1800 | goto outreqirq; | |
1801 | } | |
1802 | ||
1da177e4 LT |
1803 | pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8); |
1804 | pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64); | |
1805 | ||
1806 | pci_set_master(meye.mchip_dev); | |
1807 | ||
1808 | /* Ask the camera to perform a soft reset. */ | |
1809 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1810 | ||
1811 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1812 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1813 | ||
1814 | msleep(1); | |
1815 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1816 | ||
1817 | msleep(1); | |
1818 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1819 | ||
1820 | msleep(1); | |
1821 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1822 | ||
1823 | if (video_register_device(meye.video_dev, VFL_TYPE_GRABBER, | |
1824 | video_nr) < 0) { | |
1825 | printk(KERN_ERR "meye: video_register_device failed\n"); | |
1826 | goto outvideoreg; | |
1827 | } | |
1828 | ||
3593cab5 | 1829 | mutex_init(&meye.lock); |
1da177e4 LT |
1830 | init_waitqueue_head(&meye.proc_list); |
1831 | meye.picture.depth = 16; | |
1832 | meye.picture.palette = VIDEO_PALETTE_YUV422; | |
1833 | meye.picture.brightness = 32 << 10; | |
1834 | meye.picture.hue = 32 << 10; | |
1835 | meye.picture.colour = 32 << 10; | |
1836 | meye.picture.contrast = 32 << 10; | |
1837 | meye.picture.whiteness = 0; | |
1838 | meye.params.subsample = 0; | |
1839 | meye.params.quality = 8; | |
1840 | meye.params.sharpness = 32; | |
1841 | meye.params.agc = 48; | |
1842 | meye.params.picture = 0; | |
1843 | meye.params.framerate = 0; | |
1844 | ||
cbefb762 | 1845 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); |
1846 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); | |
1847 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); | |
1848 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); | |
1849 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); | |
1850 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); | |
1851 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); | |
1da177e4 LT |
1852 | |
1853 | printk(KERN_INFO "meye: Motion Eye Camera Driver v%s.\n", | |
1854 | MEYE_DRIVER_VERSION); | |
1855 | printk(KERN_INFO "meye: mchip KL5A72002 rev. %d, base %lx, irq %d\n", | |
44c10138 | 1856 | meye.mchip_dev->revision, mchip_adr, meye.mchip_irq); |
1da177e4 LT |
1857 | |
1858 | return 0; | |
1859 | ||
1860 | outvideoreg: | |
1861 | free_irq(meye.mchip_irq, meye_irq); | |
1862 | outreqirq: | |
1863 | iounmap(meye.mchip_mmregs); | |
1864 | outremap: | |
1865 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1866 | pci_resource_len(meye.mchip_dev, 0)); | |
1867 | outregions: | |
1868 | pci_disable_device(meye.mchip_dev); | |
1869 | outenabledev: | |
cbefb762 | 1870 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1871 | outsonypienable: |
1872 | kfifo_free(meye.doneq); | |
1873 | outkfifoalloc2: | |
1874 | kfifo_free(meye.grabq); | |
1875 | outkfifoalloc1: | |
1876 | vfree(meye.grab_temp); | |
1877 | outvmalloc: | |
1878 | video_device_release(meye.video_dev); | |
1879 | outnotdev: | |
1880 | return ret; | |
1881 | } | |
1882 | ||
1883 | static void __devexit meye_remove(struct pci_dev *pcidev) | |
1884 | { | |
1885 | video_unregister_device(meye.video_dev); | |
1886 | ||
1887 | mchip_hic_stop(); | |
1888 | ||
1889 | mchip_dma_free(); | |
1890 | ||
1891 | /* disable interrupts */ | |
1892 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1893 | ||
1894 | free_irq(meye.mchip_irq, meye_irq); | |
1895 | ||
1896 | iounmap(meye.mchip_mmregs); | |
1897 | ||
1898 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1899 | pci_resource_len(meye.mchip_dev, 0)); | |
1900 | ||
1901 | pci_disable_device(meye.mchip_dev); | |
1902 | ||
cbefb762 | 1903 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 LT |
1904 | |
1905 | kfifo_free(meye.doneq); | |
1906 | kfifo_free(meye.grabq); | |
1907 | ||
1908 | vfree(meye.grab_temp); | |
1909 | ||
1910 | if (meye.grab_fbuffer) { | |
1911 | rvfree(meye.grab_fbuffer, gbuffers*gbufsize); | |
1912 | meye.grab_fbuffer = NULL; | |
1913 | } | |
1914 | ||
1915 | printk(KERN_INFO "meye: removed\n"); | |
1916 | } | |
1917 | ||
1918 | static struct pci_device_id meye_pci_tbl[] = { | |
76e9741d | 1919 | { PCI_VDEVICE(KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002), 0 }, |
1da177e4 LT |
1920 | { } |
1921 | }; | |
1922 | ||
1923 | MODULE_DEVICE_TABLE(pci, meye_pci_tbl); | |
1924 | ||
1925 | static struct pci_driver meye_driver = { | |
1926 | .name = "meye", | |
1927 | .id_table = meye_pci_tbl, | |
1928 | .probe = meye_probe, | |
1929 | .remove = __devexit_p(meye_remove), | |
1930 | #ifdef CONFIG_PM | |
1931 | .suspend = meye_suspend, | |
1932 | .resume = meye_resume, | |
1933 | #endif | |
1934 | }; | |
1935 | ||
1936 | static int __init meye_init(void) | |
1937 | { | |
1938 | gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); | |
1939 | if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE) | |
1940 | gbufsize = MEYE_MAX_BUFSIZE; | |
1941 | gbufsize = PAGE_ALIGN(gbufsize); | |
ac9bb7f5 | 1942 | printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) " |
1da177e4 LT |
1943 | "for capture\n", |
1944 | gbuffers, | |
1945 | gbufsize / 1024, gbuffers * gbufsize / 1024); | |
1946 | return pci_register_driver(&meye_driver); | |
1947 | } | |
1948 | ||
1949 | static void __exit meye_exit(void) | |
1950 | { | |
1951 | pci_unregister_driver(&meye_driver); | |
1952 | } | |
1953 | ||
1954 | module_init(meye_init); | |
1955 | module_exit(meye_exit); |