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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. | |
1da177e4 | 24 | */ |
1da177e4 LT |
25 | #include <linux/module.h> |
26 | #include <linux/pci.h> | |
d43c36dc | 27 | #include <linux/sched.h> |
1da177e4 | 28 | #include <linux/init.h> |
5a0e3ad6 | 29 | #include <linux/gfp.h> |
51270617 | 30 | #include <linux/videodev2.h> |
5e87efa3 | 31 | #include <media/v4l2-common.h> |
51270617 | 32 | #include <media/v4l2-device.h> |
35ea11ff | 33 | #include <media/v4l2-ioctl.h> |
ed986d1f HV |
34 | #include <media/v4l2-fh.h> |
35 | #include <media/v4l2-event.h> | |
7c0f6ba6 | 36 | #include <linux/uaccess.h> |
1da177e4 LT |
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); | |
f8a3dcb5 | 59 | MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400 (will be rounded up to a page multiple)"); |
1da177e4 LT |
60 | |
61 | /* /dev/videoX registration number */ | |
62 | static int video_nr = -1; | |
63 | module_param(video_nr, int, 0444); | |
64 | MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)"); | |
65 | ||
66 | /* driver structure - only one possible */ | |
67 | static struct meye meye; | |
68 | ||
69 | /****************************************************************************/ | |
70 | /* Memory allocation routines (stolen from bttv-driver.c) */ | |
71 | /****************************************************************************/ | |
72 | static void *rvmalloc(unsigned long size) | |
73 | { | |
74 | void *mem; | |
75 | unsigned long adr; | |
76 | ||
77 | size = PAGE_ALIGN(size); | |
78 | mem = vmalloc_32(size); | |
79 | if (mem) { | |
80 | memset(mem, 0, size); | |
81 | adr = (unsigned long) mem; | |
82 | while (size > 0) { | |
83 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
84 | adr += PAGE_SIZE; | |
85 | size -= PAGE_SIZE; | |
86 | } | |
87 | } | |
88 | return mem; | |
89 | } | |
90 | ||
91 | static void rvfree(void * mem, unsigned long size) | |
92 | { | |
93 | unsigned long adr; | |
94 | ||
95 | if (mem) { | |
96 | adr = (unsigned long) mem; | |
97 | while ((long) size > 0) { | |
98 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
99 | adr += PAGE_SIZE; | |
100 | size -= PAGE_SIZE; | |
101 | } | |
102 | vfree(mem); | |
103 | } | |
104 | } | |
105 | ||
106 | /* | |
107 | * return a page table pointing to N pages of locked memory | |
108 | * | |
109 | * NOTE: The meye device expects DMA addresses on 32 bits, we build | |
110 | * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes. | |
111 | */ | |
112 | static int ptable_alloc(void) | |
113 | { | |
114 | u32 *pt; | |
115 | int i; | |
116 | ||
117 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
118 | ||
119 | /* give only 32 bit DMA addresses */ | |
284901a9 | 120 | if (dma_set_mask(&meye.mchip_dev->dev, DMA_BIT_MASK(32))) |
1da177e4 LT |
121 | return -1; |
122 | ||
123 | meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev, | |
124 | PAGE_SIZE, | |
125 | &meye.mchip_dmahandle, | |
126 | GFP_KERNEL); | |
127 | if (!meye.mchip_ptable_toc) { | |
128 | meye.mchip_dmahandle = 0; | |
129 | return -1; | |
130 | } | |
131 | ||
132 | pt = meye.mchip_ptable_toc; | |
133 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
134 | dma_addr_t dma; | |
135 | meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev, | |
136 | PAGE_SIZE, | |
137 | &dma, | |
138 | GFP_KERNEL); | |
139 | if (!meye.mchip_ptable[i]) { | |
140 | int j; | |
141 | pt = meye.mchip_ptable_toc; | |
142 | for (j = 0; j < i; ++j) { | |
143 | dma = (dma_addr_t) *pt; | |
144 | dma_free_coherent(&meye.mchip_dev->dev, | |
145 | PAGE_SIZE, | |
146 | meye.mchip_ptable[j], dma); | |
147 | pt++; | |
148 | } | |
149 | dma_free_coherent(&meye.mchip_dev->dev, | |
150 | PAGE_SIZE, | |
151 | meye.mchip_ptable_toc, | |
152 | meye.mchip_dmahandle); | |
153 | meye.mchip_ptable_toc = NULL; | |
154 | meye.mchip_dmahandle = 0; | |
155 | return -1; | |
156 | } | |
157 | *pt = (u32) dma; | |
158 | pt++; | |
159 | } | |
160 | return 0; | |
161 | } | |
162 | ||
163 | static void ptable_free(void) | |
164 | { | |
165 | u32 *pt; | |
166 | int i; | |
167 | ||
168 | pt = meye.mchip_ptable_toc; | |
169 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
170 | dma_addr_t dma = (dma_addr_t) *pt; | |
171 | if (meye.mchip_ptable[i]) | |
172 | dma_free_coherent(&meye.mchip_dev->dev, | |
173 | PAGE_SIZE, | |
174 | meye.mchip_ptable[i], dma); | |
175 | pt++; | |
176 | } | |
177 | ||
178 | if (meye.mchip_ptable_toc) | |
179 | dma_free_coherent(&meye.mchip_dev->dev, | |
180 | PAGE_SIZE, | |
181 | meye.mchip_ptable_toc, | |
182 | meye.mchip_dmahandle); | |
183 | ||
184 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
185 | meye.mchip_ptable_toc = NULL; | |
186 | meye.mchip_dmahandle = 0; | |
187 | } | |
188 | ||
189 | /* copy data from ptable into buf */ | |
190 | static void ptable_copy(u8 *buf, int start, int size, int pt_pages) | |
191 | { | |
192 | int i; | |
193 | ||
194 | for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) { | |
195 | memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE); | |
196 | if (start >= pt_pages) | |
197 | start = 0; | |
198 | } | |
199 | memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE); | |
200 | } | |
201 | ||
202 | /****************************************************************************/ | |
203 | /* JPEG tables at different qualities to load into the VRJ chip */ | |
204 | /****************************************************************************/ | |
205 | ||
206 | /* return a set of quantisation tables based on a quality from 1 to 10 */ | |
207 | static u16 *jpeg_quantisation_tables(int *length, int quality) | |
208 | { | |
209 | static u16 jpeg_tables[][70] = { { | |
210 | 0xdbff, 0x4300, 0xff00, 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, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
214 | 0xffff, 0xffff, 0xffff, | |
215 | 0xdbff, 0x4300, 0xff01, 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, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
219 | 0xffff, 0xffff, 0xffff, | |
220 | }, | |
221 | { | |
222 | 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46, | |
223 | 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8, | |
224 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
225 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
226 | 0xffff, 0xffff, 0xffff, | |
227 | 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb, | |
228 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
229 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
230 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
231 | 0xffff, 0xffff, 0xffff, | |
232 | }, | |
233 | { | |
234 | 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23, | |
235 | 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164, | |
236 | 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad, | |
237 | 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff, | |
238 | 0xe6ff, 0xfffd, 0xfff8, | |
239 | 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876, | |
240 | 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
241 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
242 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
243 | 0xf8f8, 0xf8f8, 0xfff8, | |
244 | }, | |
245 | { | |
246 | 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17, | |
247 | 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042, | |
248 | 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73, | |
249 | 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba, | |
250 | 0x99c7, 0xaba8, 0xffa4, | |
251 | 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e, | |
252 | 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
253 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
254 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
255 | 0xa4a4, 0xa4a4, 0xffa4, | |
256 | }, | |
257 | { | |
258 | 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712, | |
259 | 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932, | |
260 | 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556, | |
261 | 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c, | |
262 | 0x7396, 0x817e, 0xff7c, | |
263 | 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b, | |
264 | 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
265 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
266 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
267 | 0x7c7c, 0x7c7c, 0xff7c, | |
268 | }, | |
269 | { | |
270 | 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e, | |
271 | 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28, | |
272 | 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745, | |
273 | 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470, | |
274 | 0x5c78, 0x6765, 0xff63, | |
275 | 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f, | |
276 | 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
277 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
278 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
279 | 0x6363, 0x6363, 0xff63, | |
280 | }, | |
281 | { | |
282 | 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b, | |
283 | 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20, | |
284 | 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37, | |
285 | 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a, | |
286 | 0x4a60, 0x5251, 0xff4f, | |
287 | 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26, | |
288 | 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
289 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
290 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
291 | 0x4f4f, 0x4f4f, 0xff4f, | |
292 | }, | |
293 | { | |
294 | 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08, | |
295 | 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318, | |
296 | 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129, | |
297 | 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43, | |
298 | 0x3748, 0x3e3d, 0xff3b, | |
299 | 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c, | |
300 | 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
301 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
302 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
303 | 0x3b3b, 0x3b3b, 0xff3b, | |
304 | }, | |
305 | { | |
306 | 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706, | |
307 | 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710, | |
308 | 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c, | |
309 | 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d, | |
310 | 0x2530, 0x2928, 0xff28, | |
311 | 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813, | |
312 | 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
313 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
314 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
315 | 0x2828, 0x2828, 0xff28, | |
316 | }, | |
317 | { | |
318 | 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403, | |
319 | 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08, | |
320 | 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e, | |
321 | 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416, | |
322 | 0x1218, 0x1514, 0xff14, | |
323 | 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409, | |
324 | 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
325 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
326 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
327 | 0x1414, 0x1414, 0xff14, | |
328 | }, | |
329 | { | |
330 | 0xdbff, 0x4300, 0x0100, 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, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
334 | 0x0101, 0x0101, 0xff01, | |
335 | 0xdbff, 0x4300, 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, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
339 | 0x0101, 0x0101, 0xff01, | |
340 | } }; | |
341 | ||
342 | if (quality < 0 || quality > 10) { | |
343 | printk(KERN_WARNING | |
344 | "meye: invalid quality level %d - using 8\n", quality); | |
345 | quality = 8; | |
346 | } | |
347 | ||
348 | *length = ARRAY_SIZE(jpeg_tables[quality]); | |
349 | return jpeg_tables[quality]; | |
350 | } | |
351 | ||
352 | /* return a generic set of huffman tables */ | |
353 | static u16 *jpeg_huffman_tables(int *length) | |
354 | { | |
355 | static u16 tables[] = { | |
356 | 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405, | |
357 | 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131, | |
358 | 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142, | |
359 | 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918, | |
360 | 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443, | |
361 | 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463, | |
362 | 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483, | |
363 | 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A, | |
364 | 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8, | |
365 | 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6, | |
366 | 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2, | |
367 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
368 | 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405, | |
369 | 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206, | |
370 | 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1, | |
371 | 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125, | |
372 | 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A, | |
373 | 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A, | |
374 | 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A, | |
375 | 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, | |
376 | 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, | |
377 | 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, | |
378 | 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2, | |
379 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
380 | 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000, | |
381 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
382 | 0xFF0B, | |
383 | 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101, | |
384 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
385 | 0xFF0B | |
386 | }; | |
387 | ||
388 | *length = ARRAY_SIZE(tables); | |
389 | return tables; | |
390 | } | |
391 | ||
392 | /****************************************************************************/ | |
393 | /* MCHIP low-level functions */ | |
394 | /****************************************************************************/ | |
395 | ||
396 | /* returns the horizontal capture size */ | |
397 | static inline int mchip_hsize(void) | |
398 | { | |
399 | return meye.params.subsample ? 320 : 640; | |
400 | } | |
401 | ||
402 | /* returns the vertical capture size */ | |
403 | static inline int mchip_vsize(void) | |
404 | { | |
405 | return meye.params.subsample ? 240 : 480; | |
406 | } | |
407 | ||
408 | /* waits for a register to be available */ | |
409 | static void mchip_sync(int reg) | |
410 | { | |
411 | u32 status; | |
412 | int i; | |
413 | ||
414 | if (reg == MCHIP_MM_FIFO_DATA) { | |
415 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
416 | status = readl(meye.mchip_mmregs + | |
417 | MCHIP_MM_FIFO_STATUS); | |
418 | if (!(status & MCHIP_MM_FIFO_WAIT)) { | |
419 | printk(KERN_WARNING "meye: fifo not ready\n"); | |
420 | return; | |
421 | } | |
422 | if (status & MCHIP_MM_FIFO_READY) | |
423 | return; | |
424 | udelay(1); | |
425 | } | |
426 | } else if (reg > 0x80) { | |
427 | u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY | |
428 | : MCHIP_HIC_STATUS_VRJ_RDY; | |
429 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
430 | status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS); | |
431 | if (status & mask) | |
432 | return; | |
433 | udelay(1); | |
434 | } | |
435 | } else | |
436 | return; | |
437 | printk(KERN_WARNING | |
438 | "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n", | |
439 | reg, status); | |
440 | } | |
441 | ||
442 | /* sets a value into the register */ | |
443 | static inline void mchip_set(int reg, u32 v) | |
444 | { | |
445 | mchip_sync(reg); | |
446 | writel(v, meye.mchip_mmregs + reg); | |
447 | } | |
448 | ||
449 | /* get the register value */ | |
450 | static inline u32 mchip_read(int reg) | |
451 | { | |
452 | mchip_sync(reg); | |
453 | return readl(meye.mchip_mmregs + reg); | |
454 | } | |
455 | ||
456 | /* wait for a register to become a particular value */ | |
457 | static inline int mchip_delay(u32 reg, u32 v) | |
458 | { | |
459 | int n = 10; | |
460 | while (--n && mchip_read(reg) != v) | |
461 | udelay(1); | |
462 | return n; | |
463 | } | |
464 | ||
465 | /* setup subsampling */ | |
466 | static void mchip_subsample(void) | |
467 | { | |
468 | mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample); | |
469 | mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize()); | |
470 | mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize()); | |
471 | mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize()); | |
472 | mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize()); | |
473 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
474 | } | |
475 | ||
476 | /* set the framerate into the mchip */ | |
477 | static void mchip_set_framerate(void) | |
478 | { | |
479 | mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate); | |
480 | } | |
481 | ||
482 | /* load some huffman and quantisation tables into the VRJ chip ready | |
483 | for JPEG compression */ | |
484 | static void mchip_load_tables(void) | |
485 | { | |
486 | int i; | |
487 | int length; | |
488 | u16 *tables; | |
489 | ||
490 | tables = jpeg_huffman_tables(&length); | |
491 | for (i = 0; i < length; i++) | |
492 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
493 | ||
494 | tables = jpeg_quantisation_tables(&length, meye.params.quality); | |
495 | for (i = 0; i < length; i++) | |
496 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
497 | } | |
498 | ||
499 | /* setup the VRJ parameters in the chip */ | |
500 | static void mchip_vrj_setup(u8 mode) | |
501 | { | |
502 | mchip_set(MCHIP_VRJ_BUS_MODE, 5); | |
503 | mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f); | |
504 | mchip_set(MCHIP_VRJ_PDAT_USE, 1); | |
505 | mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0); | |
506 | mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode); | |
507 | mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize()); | |
508 | mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize()); | |
509 | mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b); | |
510 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF); | |
511 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF); | |
512 | mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC); | |
513 | mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0); | |
514 | mchip_set(MCHIP_VRJ_SOF1, 0x601); | |
515 | mchip_set(MCHIP_VRJ_SOF2, 0x1502); | |
516 | mchip_set(MCHIP_VRJ_SOF3, 0x1503); | |
517 | mchip_set(MCHIP_VRJ_SOF4, 0x1596); | |
518 | mchip_set(MCHIP_VRJ_SOS, 0x0ed0); | |
519 | ||
520 | mchip_load_tables(); | |
521 | } | |
522 | ||
523 | /* sets the DMA parameters into the chip */ | |
524 | static void mchip_dma_setup(dma_addr_t dma_addr) | |
525 | { | |
526 | int i; | |
527 | ||
528 | mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr); | |
529 | for (i = 0; i < 4; i++) | |
530 | mchip_set(MCHIP_MM_FIR(i), 0); | |
531 | meye.mchip_fnum = 0; | |
532 | } | |
533 | ||
534 | /* setup for DMA transfers - also zeros the framebuffer */ | |
535 | static int mchip_dma_alloc(void) | |
536 | { | |
537 | if (!meye.mchip_dmahandle) | |
538 | if (ptable_alloc()) | |
539 | return -1; | |
540 | return 0; | |
541 | } | |
542 | ||
543 | /* frees the DMA buffer */ | |
544 | static void mchip_dma_free(void) | |
545 | { | |
546 | if (meye.mchip_dmahandle) { | |
547 | mchip_dma_setup(0); | |
548 | ptable_free(); | |
549 | } | |
550 | } | |
551 | ||
552 | /* stop any existing HIC action and wait for any dma to complete then | |
553 | reset the dma engine */ | |
554 | static void mchip_hic_stop(void) | |
555 | { | |
556 | int i, j; | |
557 | ||
558 | meye.mchip_mode = MCHIP_HIC_MODE_NOOP; | |
559 | if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY)) | |
560 | return; | |
561 | for (i = 0; i < 20; ++i) { | |
562 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP); | |
563 | mchip_delay(MCHIP_HIC_CMD, 0); | |
564 | for (j = 0; j < 100; ++j) { | |
565 | if (mchip_delay(MCHIP_HIC_STATUS, | |
566 | MCHIP_HIC_STATUS_IDLE)) | |
567 | return; | |
568 | msleep(1); | |
569 | } | |
570 | printk(KERN_ERR "meye: need to reset HIC!\n"); | |
571 | ||
572 | mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET); | |
573 | msleep(250); | |
574 | } | |
575 | printk(KERN_ERR "meye: resetting HIC hanged!\n"); | |
576 | } | |
577 | ||
578 | /****************************************************************************/ | |
579 | /* MCHIP frame processing functions */ | |
580 | /****************************************************************************/ | |
581 | ||
582 | /* get the next ready frame from the dma engine */ | |
583 | static u32 mchip_get_frame(void) | |
584 | { | |
29a8d979 | 585 | return mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); |
1da177e4 LT |
586 | } |
587 | ||
588 | /* frees the current frame from the dma engine */ | |
589 | static void mchip_free_frame(void) | |
590 | { | |
591 | mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0); | |
592 | meye.mchip_fnum++; | |
593 | meye.mchip_fnum %= 4; | |
594 | } | |
595 | ||
596 | /* read one frame from the framebuffer assuming it was captured using | |
597 | a uncompressed transfer */ | |
598 | static void mchip_cont_read_frame(u32 v, u8 *buf, int size) | |
599 | { | |
600 | int pt_id; | |
601 | ||
602 | pt_id = (v >> 17) & 0x3FF; | |
603 | ||
604 | ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES); | |
605 | } | |
606 | ||
607 | /* read a compressed frame from the framebuffer */ | |
608 | static int mchip_comp_read_frame(u32 v, u8 *buf, int size) | |
609 | { | |
610 | int pt_start, pt_end, trailer; | |
611 | int fsize; | |
612 | int i; | |
613 | ||
614 | pt_start = (v >> 19) & 0xFF; | |
615 | pt_end = (v >> 11) & 0xFF; | |
616 | trailer = (v >> 1) & 0x3FF; | |
617 | ||
618 | if (pt_end < pt_start) | |
619 | fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE + | |
620 | pt_end * PAGE_SIZE + trailer * 4; | |
621 | else | |
622 | fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4; | |
623 | ||
624 | if (fsize > size) { | |
625 | printk(KERN_WARNING "meye: oversized compressed frame %d\n", | |
626 | fsize); | |
627 | return -1; | |
628 | } | |
629 | ||
630 | ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG); | |
631 | ||
632 | #ifdef MEYE_JPEG_CORRECTION | |
633 | ||
634 | /* Some mchip generated jpeg frames are incorrect. In most | |
635 | * (all ?) of those cases, the final EOI (0xff 0xd9) marker | |
636 | * is not present at the end of the frame. | |
637 | * | |
638 | * Since adding the final marker is not enough to restore | |
639 | * the jpeg integrity, we drop the frame. | |
640 | */ | |
641 | ||
642 | for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ; | |
643 | ||
644 | if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9) | |
645 | return -1; | |
646 | ||
647 | #endif | |
648 | ||
649 | return fsize; | |
650 | } | |
651 | ||
652 | /* take a picture into SDRAM */ | |
653 | static void mchip_take_picture(void) | |
654 | { | |
655 | int i; | |
656 | ||
657 | mchip_hic_stop(); | |
658 | mchip_subsample(); | |
659 | mchip_dma_setup(meye.mchip_dmahandle); | |
660 | ||
661 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP); | |
662 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
663 | ||
664 | mchip_delay(MCHIP_HIC_CMD, 0); | |
665 | ||
666 | for (i = 0; i < 100; ++i) { | |
667 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
668 | break; | |
669 | msleep(1); | |
670 | } | |
671 | } | |
672 | ||
673 | /* dma a previously taken picture into a buffer */ | |
674 | static void mchip_get_picture(u8 *buf, int bufsize) | |
675 | { | |
676 | u32 v; | |
677 | int i; | |
678 | ||
679 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT); | |
680 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
681 | ||
682 | mchip_delay(MCHIP_HIC_CMD, 0); | |
683 | for (i = 0; i < 100; ++i) { | |
684 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
685 | break; | |
686 | msleep(1); | |
687 | } | |
688 | for (i = 0; i < 4; ++i) { | |
689 | v = mchip_get_frame(); | |
690 | if (v & MCHIP_MM_FIR_RDY) { | |
691 | mchip_cont_read_frame(v, buf, bufsize); | |
692 | break; | |
693 | } | |
694 | mchip_free_frame(); | |
695 | } | |
696 | } | |
697 | ||
698 | /* start continuous dma capture */ | |
699 | static void mchip_continuous_start(void) | |
700 | { | |
701 | mchip_hic_stop(); | |
702 | mchip_subsample(); | |
703 | mchip_set_framerate(); | |
704 | mchip_dma_setup(meye.mchip_dmahandle); | |
705 | ||
706 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
707 | ||
708 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT); | |
709 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
710 | ||
711 | mchip_delay(MCHIP_HIC_CMD, 0); | |
712 | } | |
713 | ||
714 | /* compress one frame into a buffer */ | |
715 | static int mchip_compress_frame(u8 *buf, int bufsize) | |
716 | { | |
717 | u32 v; | |
718 | int len = -1, i; | |
719 | ||
720 | mchip_vrj_setup(0x3f); | |
721 | udelay(50); | |
722 | ||
723 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP); | |
724 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
725 | ||
726 | mchip_delay(MCHIP_HIC_CMD, 0); | |
727 | for (i = 0; i < 100; ++i) { | |
728 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
729 | break; | |
730 | msleep(1); | |
731 | } | |
732 | ||
733 | for (i = 0; i < 4; ++i) { | |
734 | v = mchip_get_frame(); | |
735 | if (v & MCHIP_MM_FIR_RDY) { | |
736 | len = mchip_comp_read_frame(v, buf, bufsize); | |
737 | break; | |
738 | } | |
739 | mchip_free_frame(); | |
740 | } | |
741 | return len; | |
742 | } | |
743 | ||
744 | #if 0 | |
745 | /* uncompress one image into a buffer */ | |
746 | static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize) | |
747 | { | |
748 | mchip_vrj_setup(0x3f); | |
749 | udelay(50); | |
750 | ||
751 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP); | |
752 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
753 | ||
754 | mchip_delay(MCHIP_HIC_CMD, 0); | |
755 | ||
756 | return mchip_comp_read_frame(buf, bufsize); | |
757 | } | |
758 | #endif | |
759 | ||
760 | /* start continuous compressed capture */ | |
761 | static void mchip_cont_compression_start(void) | |
762 | { | |
763 | mchip_hic_stop(); | |
764 | mchip_vrj_setup(0x3f); | |
765 | mchip_subsample(); | |
766 | mchip_set_framerate(); | |
767 | mchip_dma_setup(meye.mchip_dmahandle); | |
768 | ||
769 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
770 | ||
771 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP); | |
772 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
773 | ||
774 | mchip_delay(MCHIP_HIC_CMD, 0); | |
775 | } | |
776 | ||
777 | /****************************************************************************/ | |
778 | /* Interrupt handling */ | |
779 | /****************************************************************************/ | |
780 | ||
7d12e780 | 781 | static irqreturn_t meye_irq(int irq, void *dev_id) |
1da177e4 LT |
782 | { |
783 | u32 v; | |
784 | int reqnr; | |
ff699e6b | 785 | static int sequence; |
1da177e4 LT |
786 | |
787 | v = mchip_read(MCHIP_MM_INTA); | |
788 | ||
789 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT && | |
790 | meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) | |
791 | return IRQ_NONE; | |
792 | ||
793 | again: | |
794 | v = mchip_get_frame(); | |
795 | if (!(v & MCHIP_MM_FIR_RDY)) | |
796 | return IRQ_HANDLED; | |
797 | ||
798 | if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) { | |
7acd72eb | 799 | if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr, |
c1e13f25 | 800 | sizeof(int), &meye.grabq_lock) != sizeof(int)) { |
1da177e4 LT |
801 | mchip_free_frame(); |
802 | return IRQ_HANDLED; | |
803 | } | |
804 | mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr, | |
805 | mchip_hsize() * mchip_vsize() * 2); | |
806 | meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2; | |
807 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
8e6057b5 | 808 | v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp); |
1da177e4 | 809 | meye.grab_buffer[reqnr].sequence = sequence++; |
7acd72eb | 810 | kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 811 | sizeof(int), &meye.doneq_lock); |
1da177e4 LT |
812 | wake_up_interruptible(&meye.proc_list); |
813 | } else { | |
814 | int size; | |
815 | size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize); | |
816 | if (size == -1) { | |
817 | mchip_free_frame(); | |
818 | goto again; | |
819 | } | |
7acd72eb | 820 | if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr, |
c1e13f25 | 821 | sizeof(int), &meye.grabq_lock) != sizeof(int)) { |
1da177e4 LT |
822 | mchip_free_frame(); |
823 | goto again; | |
824 | } | |
825 | memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp, | |
826 | size); | |
827 | meye.grab_buffer[reqnr].size = size; | |
828 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
8e6057b5 | 829 | v4l2_get_timestamp(&meye.grab_buffer[reqnr].timestamp); |
1da177e4 | 830 | meye.grab_buffer[reqnr].sequence = sequence++; |
7acd72eb | 831 | kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 832 | sizeof(int), &meye.doneq_lock); |
1da177e4 LT |
833 | wake_up_interruptible(&meye.proc_list); |
834 | } | |
835 | mchip_free_frame(); | |
836 | goto again; | |
837 | } | |
838 | ||
839 | /****************************************************************************/ | |
840 | /* video4linux integration */ | |
841 | /****************************************************************************/ | |
842 | ||
bec43661 | 843 | static int meye_open(struct file *file) |
1da177e4 | 844 | { |
7d43cd53 | 845 | int i; |
1da177e4 | 846 | |
7d43cd53 HV |
847 | if (test_and_set_bit(0, &meye.in_use)) |
848 | return -EBUSY; | |
1da177e4 LT |
849 | |
850 | mchip_hic_stop(); | |
851 | ||
852 | if (mchip_dma_alloc()) { | |
853 | printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); | |
7d43cd53 | 854 | clear_bit(0, &meye.in_use); |
1da177e4 LT |
855 | return -ENOBUFS; |
856 | } | |
857 | ||
858 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
859 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
45465487 SS |
860 | kfifo_reset(&meye.grabq); |
861 | kfifo_reset(&meye.doneq); | |
ed986d1f | 862 | return v4l2_fh_open(file); |
1da177e4 LT |
863 | } |
864 | ||
bec43661 | 865 | static int meye_release(struct file *file) |
1da177e4 LT |
866 | { |
867 | mchip_hic_stop(); | |
868 | mchip_dma_free(); | |
7d43cd53 | 869 | clear_bit(0, &meye.in_use); |
ed986d1f | 870 | return v4l2_fh_release(file); |
1da177e4 LT |
871 | } |
872 | ||
6ec6e0ce | 873 | static int meyeioc_g_params(struct meye_params *p) |
1da177e4 | 874 | { |
6ec6e0ce DSL |
875 | *p = meye.params; |
876 | return 0; | |
877 | } | |
1da177e4 | 878 | |
6ec6e0ce DSL |
879 | static int meyeioc_s_params(struct meye_params *jp) |
880 | { | |
881 | if (jp->subsample > 1) | |
882 | return -EINVAL; | |
1da177e4 | 883 | |
6ec6e0ce DSL |
884 | if (jp->quality > 10) |
885 | return -EINVAL; | |
1da177e4 | 886 | |
6ec6e0ce DSL |
887 | if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63) |
888 | return -EINVAL; | |
1da177e4 | 889 | |
6ec6e0ce DSL |
890 | if (jp->framerate > 31) |
891 | return -EINVAL; | |
1da177e4 | 892 | |
6ec6e0ce | 893 | mutex_lock(&meye.lock); |
1da177e4 | 894 | |
6ec6e0ce DSL |
895 | if (meye.params.subsample != jp->subsample || |
896 | meye.params.quality != jp->quality) | |
897 | mchip_hic_stop(); /* need restart */ | |
898 | ||
899 | meye.params = *jp; | |
900 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, | |
901 | meye.params.sharpness); | |
902 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, | |
903 | meye.params.agc); | |
904 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, | |
905 | meye.params.picture); | |
906 | mutex_unlock(&meye.lock); | |
1da177e4 | 907 | |
6ec6e0ce DSL |
908 | return 0; |
909 | } | |
1da177e4 | 910 | |
6ec6e0ce DSL |
911 | static int meyeioc_qbuf_capt(int *nb) |
912 | { | |
913 | if (!meye.grab_fbuffer) | |
914 | return -EINVAL; | |
1da177e4 | 915 | |
6ec6e0ce DSL |
916 | if (*nb >= gbuffers) |
917 | return -EINVAL; | |
1da177e4 | 918 | |
6ec6e0ce DSL |
919 | if (*nb < 0) { |
920 | /* stop capture */ | |
921 | mchip_hic_stop(); | |
922 | return 0; | |
1da177e4 LT |
923 | } |
924 | ||
6ec6e0ce DSL |
925 | if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED) |
926 | return -EBUSY; | |
1da177e4 | 927 | |
6ec6e0ce | 928 | mutex_lock(&meye.lock); |
1da177e4 | 929 | |
6ec6e0ce DSL |
930 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) |
931 | mchip_cont_compression_start(); | |
1da177e4 | 932 | |
6ec6e0ce | 933 | meye.grab_buffer[*nb].state = MEYE_BUF_USING; |
7acd72eb | 934 | kfifo_in_locked(&meye.grabq, (unsigned char *)nb, sizeof(int), |
c1e13f25 | 935 | &meye.grabq_lock); |
6ec6e0ce | 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; | |
9842c38e SS |
967 | if (kfifo_out_locked(&meye.doneq, (unsigned char *)&unused, |
968 | sizeof(int), &meye.doneq_lock) != sizeof(int)) | |
969 | break; | |
1da177e4 | 970 | } |
6ec6e0ce DSL |
971 | *i = meye.grab_buffer[*i].size; |
972 | mutex_unlock(&meye.lock); | |
973 | return 0; | |
974 | } | |
975 | ||
976 | static int meyeioc_stillcapt(void) | |
977 | { | |
978 | if (!meye.grab_fbuffer) | |
979 | return -EINVAL; | |
1da177e4 | 980 | |
6ec6e0ce DSL |
981 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) |
982 | return -EBUSY; | |
1da177e4 | 983 | |
6ec6e0ce DSL |
984 | mutex_lock(&meye.lock); |
985 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
986 | mchip_take_picture(); | |
1da177e4 | 987 | |
6ec6e0ce DSL |
988 | mchip_get_picture(meye.grab_fbuffer, |
989 | mchip_hsize() * mchip_vsize() * 2); | |
1da177e4 | 990 | |
6ec6e0ce DSL |
991 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
992 | mutex_unlock(&meye.lock); | |
993 | ||
994 | return 0; | |
995 | } | |
996 | ||
997 | static int meyeioc_stilljcapt(int *len) | |
998 | { | |
999 | if (!meye.grab_fbuffer) | |
1000 | return -EINVAL; | |
1001 | ||
1002 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1003 | return -EBUSY; | |
1da177e4 | 1004 | |
6ec6e0ce DSL |
1005 | mutex_lock(&meye.lock); |
1006 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
1007 | *len = -1; | |
1da177e4 | 1008 | |
6ec6e0ce | 1009 | while (*len == -1) { |
1da177e4 | 1010 | mchip_take_picture(); |
6ec6e0ce | 1011 | *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize); |
1da177e4 LT |
1012 | } |
1013 | ||
6ec6e0ce DSL |
1014 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
1015 | mutex_unlock(&meye.lock); | |
1016 | return 0; | |
1017 | } | |
1da177e4 | 1018 | |
6ec6e0ce DSL |
1019 | static int vidioc_querycap(struct file *file, void *fh, |
1020 | struct v4l2_capability *cap) | |
1021 | { | |
6ec6e0ce DSL |
1022 | strcpy(cap->driver, "meye"); |
1023 | strcpy(cap->card, "meye"); | |
1024 | sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev)); | |
1da177e4 | 1025 | |
ed986d1f | 1026 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | |
6ec6e0ce | 1027 | V4L2_CAP_STREAMING; |
ed986d1f | 1028 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
6ec6e0ce DSL |
1029 | |
1030 | return 0; | |
1031 | } | |
1da177e4 | 1032 | |
6ec6e0ce DSL |
1033 | static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) |
1034 | { | |
1035 | if (i->index != 0) | |
1036 | return -EINVAL; | |
1037 | ||
6ec6e0ce DSL |
1038 | strcpy(i->name, "Camera"); |
1039 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1040 | ||
1041 | return 0; | |
1042 | } | |
1043 | ||
1044 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) | |
1045 | { | |
1046 | *i = 0; | |
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | static int vidioc_s_input(struct file *file, void *fh, unsigned int i) | |
1051 | { | |
1052 | if (i != 0) | |
1053 | return -EINVAL; | |
1da177e4 | 1054 | |
6ec6e0ce DSL |
1055 | return 0; |
1056 | } | |
1057 | ||
ed986d1f | 1058 | static int meye_s_ctrl(struct v4l2_ctrl *ctrl) |
6ec6e0ce DSL |
1059 | { |
1060 | mutex_lock(&meye.lock); | |
ed986d1f | 1061 | switch (ctrl->id) { |
6ec6e0ce DSL |
1062 | case V4L2_CID_BRIGHTNESS: |
1063 | sony_pic_camera_command( | |
ed986d1f HV |
1064 | SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, ctrl->val); |
1065 | meye.brightness = ctrl->val << 10; | |
6ec6e0ce DSL |
1066 | break; |
1067 | case V4L2_CID_HUE: | |
1068 | sony_pic_camera_command( | |
ed986d1f HV |
1069 | SONY_PIC_COMMAND_SETCAMERAHUE, ctrl->val); |
1070 | meye.hue = ctrl->val << 10; | |
6ec6e0ce DSL |
1071 | break; |
1072 | case V4L2_CID_CONTRAST: | |
1073 | sony_pic_camera_command( | |
ed986d1f HV |
1074 | SONY_PIC_COMMAND_SETCAMERACONTRAST, ctrl->val); |
1075 | meye.contrast = ctrl->val << 10; | |
6ec6e0ce DSL |
1076 | break; |
1077 | case V4L2_CID_SATURATION: | |
1078 | sony_pic_camera_command( | |
ed986d1f HV |
1079 | SONY_PIC_COMMAND_SETCAMERACOLOR, ctrl->val); |
1080 | meye.colour = ctrl->val << 10; | |
6ec6e0ce | 1081 | break; |
ed986d1f | 1082 | case V4L2_CID_MEYE_AGC: |
6ec6e0ce | 1083 | sony_pic_camera_command( |
ed986d1f HV |
1084 | SONY_PIC_COMMAND_SETCAMERAAGC, ctrl->val); |
1085 | meye.params.agc = ctrl->val; | |
6ec6e0ce DSL |
1086 | break; |
1087 | case V4L2_CID_SHARPNESS: | |
6ec6e0ce | 1088 | sony_pic_camera_command( |
ed986d1f HV |
1089 | SONY_PIC_COMMAND_SETCAMERASHARPNESS, ctrl->val); |
1090 | meye.params.sharpness = ctrl->val; | |
6ec6e0ce | 1091 | break; |
ed986d1f | 1092 | case V4L2_CID_MEYE_PICTURE: |
6ec6e0ce | 1093 | sony_pic_camera_command( |
ed986d1f HV |
1094 | SONY_PIC_COMMAND_SETCAMERAPICTURE, ctrl->val); |
1095 | meye.params.picture = ctrl->val; | |
6ec6e0ce | 1096 | break; |
ed986d1f HV |
1097 | case V4L2_CID_JPEG_COMPRESSION_QUALITY: |
1098 | meye.params.quality = ctrl->val; | |
1da177e4 | 1099 | break; |
ed986d1f HV |
1100 | case V4L2_CID_MEYE_FRAMERATE: |
1101 | meye.params.framerate = ctrl->val; | |
6ec6e0ce DSL |
1102 | break; |
1103 | default: | |
1104 | mutex_unlock(&meye.lock); | |
1105 | return -EINVAL; | |
1da177e4 | 1106 | } |
6ec6e0ce DSL |
1107 | mutex_unlock(&meye.lock); |
1108 | ||
1109 | return 0; | |
1110 | } | |
1da177e4 | 1111 | |
78b526a4 | 1112 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1113 | struct v4l2_fmtdesc *f) |
1114 | { | |
1115 | if (f->index > 1) | |
1116 | return -EINVAL; | |
1da177e4 | 1117 | |
6ec6e0ce DSL |
1118 | if (f->index == 0) { |
1119 | /* standard YUV 422 capture */ | |
6ec6e0ce DSL |
1120 | f->flags = 0; |
1121 | strcpy(f->description, "YUV422"); | |
1122 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
1123 | } else { | |
1124 | /* compressed MJPEG capture */ | |
6ec6e0ce DSL |
1125 | f->flags = V4L2_FMT_FLAG_COMPRESSED; |
1126 | strcpy(f->description, "MJPEG"); | |
1127 | f->pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1128 | } |
1129 | ||
6ec6e0ce DSL |
1130 | return 0; |
1131 | } | |
1da177e4 | 1132 | |
78b526a4 | 1133 | static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1134 | struct v4l2_format *f) |
1135 | { | |
6ec6e0ce DSL |
1136 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1137 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1138 | return -EINVAL; | |
1139 | ||
1140 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1141 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1142 | return -EINVAL; | |
1143 | ||
1144 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1145 | ||
1146 | if (f->fmt.pix.width <= 320) { | |
1147 | f->fmt.pix.width = 320; | |
1148 | f->fmt.pix.height = 240; | |
1149 | } else { | |
1150 | f->fmt.pix.width = 640; | |
1151 | f->fmt.pix.height = 480; | |
1da177e4 LT |
1152 | } |
1153 | ||
6ec6e0ce DSL |
1154 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; |
1155 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1156 | f->fmt.pix.bytesperline; | |
1157 | f->fmt.pix.colorspace = 0; | |
1da177e4 | 1158 | |
6ec6e0ce DSL |
1159 | return 0; |
1160 | } | |
1161 | ||
78b526a4 HV |
1162 | static int vidioc_g_fmt_vid_cap(struct file *file, void *fh, |
1163 | struct v4l2_format *f) | |
6ec6e0ce | 1164 | { |
6ec6e0ce DSL |
1165 | switch (meye.mchip_mode) { |
1166 | case MCHIP_HIC_MODE_CONT_OUT: | |
1167 | default: | |
1168 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; | |
1169 | break; | |
1170 | case MCHIP_HIC_MODE_CONT_COMP: | |
1171 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1172 | break; |
1173 | } | |
1174 | ||
6ec6e0ce DSL |
1175 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1176 | f->fmt.pix.width = mchip_hsize(); | |
1177 | f->fmt.pix.height = mchip_vsize(); | |
1178 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1179 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1180 | f->fmt.pix.bytesperline; | |
6ec6e0ce DSL |
1181 | |
1182 | return 0; | |
1183 | } | |
1184 | ||
78b526a4 HV |
1185 | static int vidioc_s_fmt_vid_cap(struct file *file, void *fh, |
1186 | struct v4l2_format *f) | |
6ec6e0ce | 1187 | { |
6ec6e0ce DSL |
1188 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1189 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1190 | return -EINVAL; | |
1191 | ||
1192 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1193 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1194 | return -EINVAL; | |
1195 | ||
1196 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1197 | mutex_lock(&meye.lock); | |
1198 | ||
1199 | if (f->fmt.pix.width <= 320) { | |
1200 | f->fmt.pix.width = 320; | |
1201 | f->fmt.pix.height = 240; | |
1202 | meye.params.subsample = 1; | |
1203 | } else { | |
1204 | f->fmt.pix.width = 640; | |
1205 | f->fmt.pix.height = 480; | |
1206 | meye.params.subsample = 0; | |
1da177e4 LT |
1207 | } |
1208 | ||
6ec6e0ce DSL |
1209 | switch (f->fmt.pix.pixelformat) { |
1210 | case V4L2_PIX_FMT_YUYV: | |
1211 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
1212 | break; | |
1213 | case V4L2_PIX_FMT_MJPEG: | |
1214 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
1da177e4 LT |
1215 | break; |
1216 | } | |
1217 | ||
6ec6e0ce DSL |
1218 | mutex_unlock(&meye.lock); |
1219 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1220 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1221 | f->fmt.pix.bytesperline; | |
1222 | f->fmt.pix.colorspace = 0; | |
1da177e4 | 1223 | |
6ec6e0ce DSL |
1224 | return 0; |
1225 | } | |
1da177e4 | 1226 | |
6ec6e0ce DSL |
1227 | static int vidioc_reqbufs(struct file *file, void *fh, |
1228 | struct v4l2_requestbuffers *req) | |
1229 | { | |
1230 | int i; | |
1da177e4 | 1231 | |
6ec6e0ce DSL |
1232 | if (req->memory != V4L2_MEMORY_MMAP) |
1233 | return -EINVAL; | |
1da177e4 | 1234 | |
6ec6e0ce DSL |
1235 | if (meye.grab_fbuffer && req->count == gbuffers) { |
1236 | /* already allocated, no modifications */ | |
1237 | return 0; | |
1da177e4 LT |
1238 | } |
1239 | ||
6ec6e0ce DSL |
1240 | mutex_lock(&meye.lock); |
1241 | if (meye.grab_fbuffer) { | |
1242 | for (i = 0; i < gbuffers; i++) | |
1243 | if (meye.vma_use_count[i]) { | |
1244 | mutex_unlock(&meye.lock); | |
1245 | return -EINVAL; | |
1246 | } | |
1247 | rvfree(meye.grab_fbuffer, gbuffers * gbufsize); | |
1248 | meye.grab_fbuffer = NULL; | |
1da177e4 LT |
1249 | } |
1250 | ||
6ec6e0ce DSL |
1251 | gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS)); |
1252 | req->count = gbuffers; | |
1253 | meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize); | |
1254 | ||
1255 | if (!meye.grab_fbuffer) { | |
f8a3dcb5 | 1256 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); |
3593cab5 | 1257 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1258 | return -ENOMEM; |
1da177e4 LT |
1259 | } |
1260 | ||
6ec6e0ce DSL |
1261 | for (i = 0; i < gbuffers; i++) |
1262 | meye.vma_use_count[i] = 0; | |
1da177e4 | 1263 | |
6ec6e0ce | 1264 | mutex_unlock(&meye.lock); |
1da177e4 | 1265 | |
6ec6e0ce DSL |
1266 | return 0; |
1267 | } | |
1268 | ||
1269 | static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1270 | { | |
6174523c | 1271 | unsigned int index = buf->index; |
6ec6e0ce | 1272 | |
6174523c | 1273 | if (index >= gbuffers) |
6ec6e0ce DSL |
1274 | return -EINVAL; |
1275 | ||
6ec6e0ce | 1276 | buf->bytesused = meye.grab_buffer[index].size; |
1b18e7a0 | 1277 | buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
6ec6e0ce DSL |
1278 | |
1279 | if (meye.grab_buffer[index].state == MEYE_BUF_USING) | |
1280 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1281 | ||
1282 | if (meye.grab_buffer[index].state == MEYE_BUF_DONE) | |
1283 | buf->flags |= V4L2_BUF_FLAG_DONE; | |
1284 | ||
1285 | buf->field = V4L2_FIELD_NONE; | |
1286 | buf->timestamp = meye.grab_buffer[index].timestamp; | |
1287 | buf->sequence = meye.grab_buffer[index].sequence; | |
1288 | buf->memory = V4L2_MEMORY_MMAP; | |
1289 | buf->m.offset = index * gbufsize; | |
1290 | buf->length = gbufsize; | |
1291 | ||
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1296 | { | |
6ec6e0ce DSL |
1297 | if (buf->memory != V4L2_MEMORY_MMAP) |
1298 | return -EINVAL; | |
1299 | ||
6174523c | 1300 | if (buf->index >= gbuffers) |
6ec6e0ce DSL |
1301 | return -EINVAL; |
1302 | ||
1303 | if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED) | |
1304 | return -EINVAL; | |
1305 | ||
1306 | mutex_lock(&meye.lock); | |
1307 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1308 | buf->flags &= ~V4L2_BUF_FLAG_DONE; | |
1309 | meye.grab_buffer[buf->index].state = MEYE_BUF_USING; | |
7acd72eb | 1310 | kfifo_in_locked(&meye.grabq, (unsigned char *)&buf->index, |
c1e13f25 | 1311 | sizeof(int), &meye.grabq_lock); |
6ec6e0ce DSL |
1312 | mutex_unlock(&meye.lock); |
1313 | ||
1314 | return 0; | |
1315 | } | |
1316 | ||
1317 | static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1318 | { | |
1319 | int reqnr; | |
1320 | ||
6ec6e0ce DSL |
1321 | if (buf->memory != V4L2_MEMORY_MMAP) |
1322 | return -EINVAL; | |
1323 | ||
1324 | mutex_lock(&meye.lock); | |
1325 | ||
45465487 | 1326 | if (kfifo_len(&meye.doneq) == 0 && file->f_flags & O_NONBLOCK) { |
3593cab5 | 1327 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1328 | return -EAGAIN; |
1da177e4 LT |
1329 | } |
1330 | ||
6ec6e0ce | 1331 | if (wait_event_interruptible(meye.proc_list, |
45465487 | 1332 | kfifo_len(&meye.doneq) != 0) < 0) { |
3593cab5 | 1333 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1334 | return -EINTR; |
1da177e4 LT |
1335 | } |
1336 | ||
7acd72eb | 1337 | if (!kfifo_out_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 1338 | sizeof(int), &meye.doneq_lock)) { |
6ec6e0ce DSL |
1339 | mutex_unlock(&meye.lock); |
1340 | return -EBUSY; | |
1341 | } | |
1da177e4 | 1342 | |
6ec6e0ce | 1343 | if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) { |
3593cab5 | 1344 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1345 | return -EINVAL; |
1da177e4 LT |
1346 | } |
1347 | ||
6ec6e0ce DSL |
1348 | buf->index = reqnr; |
1349 | buf->bytesused = meye.grab_buffer[reqnr].size; | |
1b18e7a0 | 1350 | buf->flags = V4L2_BUF_FLAG_MAPPED | V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
6ec6e0ce DSL |
1351 | buf->field = V4L2_FIELD_NONE; |
1352 | buf->timestamp = meye.grab_buffer[reqnr].timestamp; | |
1353 | buf->sequence = meye.grab_buffer[reqnr].sequence; | |
1354 | buf->memory = V4L2_MEMORY_MMAP; | |
1355 | buf->m.offset = reqnr * gbufsize; | |
1356 | buf->length = gbufsize; | |
1357 | meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED; | |
1358 | mutex_unlock(&meye.lock); | |
1359 | ||
1360 | return 0; | |
1361 | } | |
1da177e4 | 1362 | |
6ec6e0ce DSL |
1363 | static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) |
1364 | { | |
1365 | mutex_lock(&meye.lock); | |
1366 | ||
1367 | switch (meye.mchip_mode) { | |
1368 | case MCHIP_HIC_MODE_CONT_OUT: | |
1369 | mchip_continuous_start(); | |
1370 | break; | |
1371 | case MCHIP_HIC_MODE_CONT_COMP: | |
1372 | mchip_cont_compression_start(); | |
1373 | break; | |
1da177e4 | 1374 | default: |
6ec6e0ce DSL |
1375 | mutex_unlock(&meye.lock); |
1376 | return -EINVAL; | |
1da177e4 LT |
1377 | } |
1378 | ||
6ec6e0ce DSL |
1379 | mutex_unlock(&meye.lock); |
1380 | ||
1da177e4 LT |
1381 | return 0; |
1382 | } | |
1383 | ||
6ec6e0ce | 1384 | static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) |
1da177e4 | 1385 | { |
6ec6e0ce DSL |
1386 | mutex_lock(&meye.lock); |
1387 | mchip_hic_stop(); | |
45465487 SS |
1388 | kfifo_reset(&meye.grabq); |
1389 | kfifo_reset(&meye.doneq); | |
6ec6e0ce DSL |
1390 | |
1391 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
1392 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
1393 | ||
1394 | mutex_unlock(&meye.lock); | |
1395 | return 0; | |
1396 | } | |
1397 | ||
99cd47bc | 1398 | static long vidioc_default(struct file *file, void *fh, bool valid_prio, |
6d43be77 | 1399 | unsigned int cmd, void *arg) |
6ec6e0ce DSL |
1400 | { |
1401 | switch (cmd) { | |
1402 | case MEYEIOC_G_PARAMS: | |
1403 | return meyeioc_g_params((struct meye_params *) arg); | |
1404 | ||
1405 | case MEYEIOC_S_PARAMS: | |
1406 | return meyeioc_s_params((struct meye_params *) arg); | |
1407 | ||
1408 | case MEYEIOC_QBUF_CAPT: | |
1409 | return meyeioc_qbuf_capt((int *) arg); | |
1410 | ||
1411 | case MEYEIOC_SYNC: | |
1412 | return meyeioc_sync(file, fh, (int *) arg); | |
1413 | ||
1414 | case MEYEIOC_STILLCAPT: | |
1415 | return meyeioc_stillcapt(); | |
1416 | ||
1417 | case MEYEIOC_STILLJCAPT: | |
1418 | return meyeioc_stilljcapt((int *) arg); | |
1419 | ||
1420 | default: | |
d1c754a9 | 1421 | return -ENOTTY; |
6ec6e0ce DSL |
1422 | } |
1423 | ||
1da177e4 LT |
1424 | } |
1425 | ||
1426 | static unsigned int meye_poll(struct file *file, poll_table *wait) | |
1427 | { | |
ed986d1f | 1428 | unsigned int res = v4l2_ctrl_poll(file, wait); |
1da177e4 | 1429 | |
3593cab5 | 1430 | mutex_lock(&meye.lock); |
1da177e4 | 1431 | poll_wait(file, &meye.proc_list, wait); |
45465487 | 1432 | if (kfifo_len(&meye.doneq)) |
ed986d1f | 1433 | res |= POLLIN | POLLRDNORM; |
3593cab5 | 1434 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1435 | return res; |
1436 | } | |
1437 | ||
1438 | static void meye_vm_open(struct vm_area_struct *vma) | |
1439 | { | |
d6144028 | 1440 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1441 | meye.vma_use_count[idx]++; |
1442 | } | |
1443 | ||
1444 | static void meye_vm_close(struct vm_area_struct *vma) | |
1445 | { | |
d6144028 | 1446 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1447 | meye.vma_use_count[idx]--; |
1448 | } | |
1449 | ||
f0f37e2f | 1450 | static const struct vm_operations_struct meye_vm_ops = { |
1da177e4 LT |
1451 | .open = meye_vm_open, |
1452 | .close = meye_vm_close, | |
1453 | }; | |
1454 | ||
1455 | static int meye_mmap(struct file *file, struct vm_area_struct *vma) | |
1456 | { | |
1457 | unsigned long start = vma->vm_start; | |
1458 | unsigned long size = vma->vm_end - vma->vm_start; | |
1459 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
1460 | unsigned long page, pos; | |
1461 | ||
3593cab5 | 1462 | mutex_lock(&meye.lock); |
1da177e4 | 1463 | if (size > gbuffers * gbufsize) { |
3593cab5 | 1464 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1465 | return -EINVAL; |
1466 | } | |
1467 | if (!meye.grab_fbuffer) { | |
1468 | int i; | |
1469 | ||
1470 | /* lazy allocation */ | |
1471 | meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize); | |
1472 | if (!meye.grab_fbuffer) { | |
1473 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); | |
3593cab5 | 1474 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1475 | return -ENOMEM; |
1476 | } | |
1477 | for (i = 0; i < gbuffers; i++) | |
1478 | meye.vma_use_count[i] = 0; | |
1479 | } | |
1480 | pos = (unsigned long)meye.grab_fbuffer + offset; | |
1481 | ||
1482 | while (size > 0) { | |
1483 | page = vmalloc_to_pfn((void *)pos); | |
1484 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 1485 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1486 | return -EAGAIN; |
1487 | } | |
1488 | start += PAGE_SIZE; | |
1489 | pos += PAGE_SIZE; | |
1490 | if (size > PAGE_SIZE) | |
1491 | size -= PAGE_SIZE; | |
1492 | else | |
1493 | size = 0; | |
1494 | } | |
1495 | ||
1496 | vma->vm_ops = &meye_vm_ops; | |
1497 | vma->vm_flags &= ~VM_IO; /* not I/O memory */ | |
314e51b9 | 1498 | vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; |
1da177e4 LT |
1499 | vma->vm_private_data = (void *) (offset / gbufsize); |
1500 | meye_vm_open(vma); | |
1501 | ||
3593cab5 | 1502 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1503 | return 0; |
1504 | } | |
1505 | ||
bec43661 | 1506 | static const struct v4l2_file_operations meye_fops = { |
1da177e4 LT |
1507 | .owner = THIS_MODULE, |
1508 | .open = meye_open, | |
1509 | .release = meye_release, | |
1510 | .mmap = meye_mmap, | |
61df3c9b | 1511 | .unlocked_ioctl = video_ioctl2, |
1da177e4 | 1512 | .poll = meye_poll, |
1da177e4 LT |
1513 | }; |
1514 | ||
a399810c | 1515 | static const struct v4l2_ioctl_ops meye_ioctl_ops = { |
6ec6e0ce DSL |
1516 | .vidioc_querycap = vidioc_querycap, |
1517 | .vidioc_enum_input = vidioc_enum_input, | |
1518 | .vidioc_g_input = vidioc_g_input, | |
1519 | .vidioc_s_input = vidioc_s_input, | |
78b526a4 HV |
1520 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1521 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1522 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1523 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
6ec6e0ce DSL |
1524 | .vidioc_reqbufs = vidioc_reqbufs, |
1525 | .vidioc_querybuf = vidioc_querybuf, | |
1526 | .vidioc_qbuf = vidioc_qbuf, | |
1527 | .vidioc_dqbuf = vidioc_dqbuf, | |
1528 | .vidioc_streamon = vidioc_streamon, | |
1529 | .vidioc_streamoff = vidioc_streamoff, | |
ed986d1f HV |
1530 | .vidioc_log_status = v4l2_ctrl_log_status, |
1531 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, | |
1532 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, | |
6ec6e0ce | 1533 | .vidioc_default = vidioc_default, |
1da177e4 LT |
1534 | }; |
1535 | ||
507e1909 | 1536 | static const struct video_device meye_template = { |
a399810c | 1537 | .name = "meye", |
a399810c | 1538 | .fops = &meye_fops, |
6e6a8b5a | 1539 | .ioctl_ops = &meye_ioctl_ops, |
e239129c | 1540 | .release = video_device_release_empty, |
a399810c HV |
1541 | }; |
1542 | ||
ed986d1f HV |
1543 | static const struct v4l2_ctrl_ops meye_ctrl_ops = { |
1544 | .s_ctrl = meye_s_ctrl, | |
1545 | }; | |
1546 | ||
1da177e4 | 1547 | #ifdef CONFIG_PM |
a2910689 | 1548 | static int meye_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1549 | { |
1550 | pci_save_state(pdev); | |
1551 | meye.pm_mchip_mode = meye.mchip_mode; | |
1552 | mchip_hic_stop(); | |
1553 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1554 | return 0; | |
1555 | } | |
1556 | ||
1557 | static int meye_resume(struct pci_dev *pdev) | |
1558 | { | |
1559 | pci_restore_state(pdev); | |
1560 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1561 | ||
1562 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1563 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1564 | msleep(1); | |
1565 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1566 | msleep(1); | |
1567 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1568 | msleep(1); | |
1569 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1570 | ||
1571 | switch (meye.pm_mchip_mode) { | |
1572 | case MCHIP_HIC_MODE_CONT_OUT: | |
1573 | mchip_continuous_start(); | |
1574 | break; | |
1575 | case MCHIP_HIC_MODE_CONT_COMP: | |
1576 | mchip_cont_compression_start(); | |
1577 | break; | |
1578 | } | |
1579 | return 0; | |
1580 | } | |
1581 | #endif | |
1582 | ||
4c62e976 | 1583 | static int meye_probe(struct pci_dev *pcidev, const struct pci_device_id *ent) |
1da177e4 | 1584 | { |
ed986d1f HV |
1585 | static const struct v4l2_ctrl_config ctrl_agc = { |
1586 | .id = V4L2_CID_MEYE_AGC, | |
1587 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1588 | .ops = &meye_ctrl_ops, | |
1589 | .name = "AGC", | |
1590 | .max = 63, | |
1591 | .step = 1, | |
1592 | .def = 48, | |
1593 | .flags = V4L2_CTRL_FLAG_SLIDER, | |
1594 | }; | |
1595 | static const struct v4l2_ctrl_config ctrl_picture = { | |
1596 | .id = V4L2_CID_MEYE_PICTURE, | |
1597 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1598 | .ops = &meye_ctrl_ops, | |
1599 | .name = "Picture", | |
1600 | .max = 63, | |
1601 | .step = 1, | |
1602 | }; | |
1603 | static const struct v4l2_ctrl_config ctrl_framerate = { | |
1604 | .id = V4L2_CID_MEYE_FRAMERATE, | |
1605 | .type = V4L2_CTRL_TYPE_INTEGER, | |
1606 | .ops = &meye_ctrl_ops, | |
1607 | .name = "Framerate", | |
1608 | .max = 31, | |
1609 | .step = 1, | |
1610 | }; | |
51270617 | 1611 | struct v4l2_device *v4l2_dev = &meye.v4l2_dev; |
1da177e4 LT |
1612 | int ret = -EBUSY; |
1613 | unsigned long mchip_adr; | |
1da177e4 LT |
1614 | |
1615 | if (meye.mchip_dev != NULL) { | |
1616 | printk(KERN_ERR "meye: only one device allowed!\n"); | |
e239129c | 1617 | return ret; |
1da177e4 LT |
1618 | } |
1619 | ||
51270617 HV |
1620 | ret = v4l2_device_register(&pcidev->dev, v4l2_dev); |
1621 | if (ret < 0) { | |
1622 | v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); | |
1623 | return ret; | |
1624 | } | |
ef0e3c26 | 1625 | ret = -ENOMEM; |
1da177e4 | 1626 | meye.mchip_dev = pcidev; |
1da177e4 | 1627 | |
1da177e4 | 1628 | meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); |
c38e8657 | 1629 | if (!meye.grab_temp) |
1da177e4 | 1630 | goto outvmalloc; |
1da177e4 LT |
1631 | |
1632 | spin_lock_init(&meye.grabq_lock); | |
c1e13f25 | 1633 | if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS, |
c38e8657 | 1634 | GFP_KERNEL)) |
1da177e4 | 1635 | goto outkfifoalloc1; |
c38e8657 | 1636 | |
1da177e4 | 1637 | spin_lock_init(&meye.doneq_lock); |
c1e13f25 | 1638 | if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS, |
c38e8657 | 1639 | GFP_KERNEL)) |
1da177e4 | 1640 | goto outkfifoalloc2; |
1da177e4 | 1641 | |
e239129c HV |
1642 | meye.vdev = meye_template; |
1643 | meye.vdev.v4l2_dev = &meye.v4l2_dev; | |
1da177e4 | 1644 | |
84c62fb9 ME |
1645 | ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1); |
1646 | if (ret) { | |
51270617 | 1647 | v4l2_err(v4l2_dev, "meye: unable to power on the camera\n"); |
f8a3dcb5 | 1648 | v4l2_err(v4l2_dev, "meye: did you enable the camera in sonypi using the module options ?\n"); |
1da177e4 LT |
1649 | goto outsonypienable; |
1650 | } | |
1651 | ||
84c62fb9 ME |
1652 | ret = pci_enable_device(meye.mchip_dev); |
1653 | if (ret) { | |
51270617 | 1654 | v4l2_err(v4l2_dev, "meye: pci_enable_device failed\n"); |
1da177e4 LT |
1655 | goto outenabledev; |
1656 | } | |
1657 | ||
2ce89942 | 1658 | ret = -EIO; |
1da177e4 LT |
1659 | mchip_adr = pci_resource_start(meye.mchip_dev,0); |
1660 | if (!mchip_adr) { | |
51270617 | 1661 | v4l2_err(v4l2_dev, "meye: mchip has no device base address\n"); |
1da177e4 LT |
1662 | goto outregions; |
1663 | } | |
1664 | if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1665 | pci_resource_len(meye.mchip_dev, 0), | |
1666 | "meye")) { | |
51270617 | 1667 | v4l2_err(v4l2_dev, "meye: request_mem_region failed\n"); |
1da177e4 LT |
1668 | goto outregions; |
1669 | } | |
1670 | meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS); | |
1671 | if (!meye.mchip_mmregs) { | |
51270617 | 1672 | v4l2_err(v4l2_dev, "meye: ioremap failed\n"); |
1da177e4 LT |
1673 | goto outremap; |
1674 | } | |
1675 | ||
1676 | meye.mchip_irq = pcidev->irq; | |
1677 | if (request_irq(meye.mchip_irq, meye_irq, | |
3e018fe4 | 1678 | IRQF_SHARED, "meye", meye_irq)) { |
51270617 | 1679 | v4l2_err(v4l2_dev, "request_irq failed\n"); |
1da177e4 LT |
1680 | goto outreqirq; |
1681 | } | |
1682 | ||
1da177e4 LT |
1683 | pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8); |
1684 | pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64); | |
1685 | ||
1686 | pci_set_master(meye.mchip_dev); | |
1687 | ||
1688 | /* Ask the camera to perform a soft reset. */ | |
1689 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1690 | ||
1691 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1692 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1693 | ||
1694 | msleep(1); | |
1695 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1696 | ||
1697 | msleep(1); | |
1698 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1699 | ||
1700 | msleep(1); | |
1701 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1702 | ||
3593cab5 | 1703 | mutex_init(&meye.lock); |
1da177e4 | 1704 | init_waitqueue_head(&meye.proc_list); |
ed986d1f HV |
1705 | |
1706 | v4l2_ctrl_handler_init(&meye.hdl, 3); | |
1707 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1708 | V4L2_CID_BRIGHTNESS, 0, 63, 1, 32); | |
1709 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1710 | V4L2_CID_HUE, 0, 63, 1, 32); | |
1711 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1712 | V4L2_CID_CONTRAST, 0, 63, 1, 32); | |
1713 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1714 | V4L2_CID_SATURATION, 0, 63, 1, 32); | |
1715 | v4l2_ctrl_new_custom(&meye.hdl, &ctrl_agc, NULL); | |
1716 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1717 | V4L2_CID_SHARPNESS, 0, 63, 1, 32); | |
1718 | v4l2_ctrl_new_custom(&meye.hdl, &ctrl_picture, NULL); | |
1719 | v4l2_ctrl_new_std(&meye.hdl, &meye_ctrl_ops, | |
1720 | V4L2_CID_JPEG_COMPRESSION_QUALITY, 0, 10, 1, 8); | |
1721 | v4l2_ctrl_new_custom(&meye.hdl, &ctrl_framerate, NULL); | |
1722 | if (meye.hdl.error) { | |
1723 | v4l2_err(v4l2_dev, "couldn't register controls\n"); | |
1724 | goto outvideoreg; | |
1725 | } | |
1726 | ||
1727 | v4l2_ctrl_handler_setup(&meye.hdl); | |
e239129c | 1728 | meye.vdev.ctrl_handler = &meye.hdl; |
1da177e4 | 1729 | |
e239129c | 1730 | if (video_register_device(&meye.vdev, VFL_TYPE_GRABBER, |
61df3c9b HV |
1731 | video_nr) < 0) { |
1732 | v4l2_err(v4l2_dev, "video_register_device failed\n"); | |
1733 | goto outvideoreg; | |
1734 | } | |
1735 | ||
51270617 | 1736 | v4l2_info(v4l2_dev, "Motion Eye Camera Driver v%s.\n", |
1da177e4 | 1737 | MEYE_DRIVER_VERSION); |
51270617 | 1738 | v4l2_info(v4l2_dev, "mchip KL5A72002 rev. %d, base %lx, irq %d\n", |
44c10138 | 1739 | meye.mchip_dev->revision, mchip_adr, meye.mchip_irq); |
1da177e4 LT |
1740 | |
1741 | return 0; | |
1742 | ||
1743 | outvideoreg: | |
ed986d1f | 1744 | v4l2_ctrl_handler_free(&meye.hdl); |
1da177e4 LT |
1745 | free_irq(meye.mchip_irq, meye_irq); |
1746 | outreqirq: | |
1747 | iounmap(meye.mchip_mmregs); | |
1748 | outremap: | |
1749 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1750 | pci_resource_len(meye.mchip_dev, 0)); | |
1751 | outregions: | |
1752 | pci_disable_device(meye.mchip_dev); | |
1753 | outenabledev: | |
cbefb762 | 1754 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 | 1755 | outsonypienable: |
45465487 | 1756 | kfifo_free(&meye.doneq); |
1da177e4 | 1757 | outkfifoalloc2: |
45465487 | 1758 | kfifo_free(&meye.grabq); |
1da177e4 LT |
1759 | outkfifoalloc1: |
1760 | vfree(meye.grab_temp); | |
1761 | outvmalloc: | |
1da177e4 LT |
1762 | return ret; |
1763 | } | |
1764 | ||
4c62e976 | 1765 | static void meye_remove(struct pci_dev *pcidev) |
1da177e4 | 1766 | { |
e239129c | 1767 | video_unregister_device(&meye.vdev); |
1da177e4 LT |
1768 | |
1769 | mchip_hic_stop(); | |
1770 | ||
1771 | mchip_dma_free(); | |
1772 | ||
1773 | /* disable interrupts */ | |
1774 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1775 | ||
1776 | free_irq(meye.mchip_irq, meye_irq); | |
1777 | ||
1778 | iounmap(meye.mchip_mmregs); | |
1779 | ||
1780 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1781 | pci_resource_len(meye.mchip_dev, 0)); | |
1782 | ||
1783 | pci_disable_device(meye.mchip_dev); | |
1784 | ||
cbefb762 | 1785 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 | 1786 | |
45465487 SS |
1787 | kfifo_free(&meye.doneq); |
1788 | kfifo_free(&meye.grabq); | |
1da177e4 LT |
1789 | |
1790 | vfree(meye.grab_temp); | |
1791 | ||
1792 | if (meye.grab_fbuffer) { | |
1793 | rvfree(meye.grab_fbuffer, gbuffers*gbufsize); | |
1794 | meye.grab_fbuffer = NULL; | |
1795 | } | |
1796 | ||
1797 | printk(KERN_INFO "meye: removed\n"); | |
1798 | } | |
1799 | ||
5a764ed0 | 1800 | static const struct pci_device_id meye_pci_tbl[] = { |
76e9741d | 1801 | { PCI_VDEVICE(KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002), 0 }, |
1da177e4 LT |
1802 | { } |
1803 | }; | |
1804 | ||
1805 | MODULE_DEVICE_TABLE(pci, meye_pci_tbl); | |
1806 | ||
1807 | static struct pci_driver meye_driver = { | |
1808 | .name = "meye", | |
1809 | .id_table = meye_pci_tbl, | |
1810 | .probe = meye_probe, | |
4c62e976 | 1811 | .remove = meye_remove, |
1da177e4 LT |
1812 | #ifdef CONFIG_PM |
1813 | .suspend = meye_suspend, | |
1814 | .resume = meye_resume, | |
1815 | #endif | |
1816 | }; | |
1817 | ||
1818 | static int __init meye_init(void) | |
1819 | { | |
1820 | gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); | |
83fa235b | 1821 | if (gbufsize > MEYE_MAX_BUFSIZE) |
1da177e4 LT |
1822 | gbufsize = MEYE_MAX_BUFSIZE; |
1823 | gbufsize = PAGE_ALIGN(gbufsize); | |
f8a3dcb5 | 1824 | printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) for capture\n", |
1da177e4 LT |
1825 | gbuffers, |
1826 | gbufsize / 1024, gbuffers * gbufsize / 1024); | |
1827 | return pci_register_driver(&meye_driver); | |
1828 | } | |
1829 | ||
1830 | static void __exit meye_exit(void) | |
1831 | { | |
1832 | pci_unregister_driver(&meye_driver); | |
1833 | } | |
1834 | ||
1835 | module_init(meye_init); | |
1836 | module_exit(meye_exit); |