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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 | 32 | #include <linux/init.h> |
5a0e3ad6 | 33 | #include <linux/gfp.h> |
51270617 | 34 | #include <linux/videodev2.h> |
5e87efa3 | 35 | #include <media/v4l2-common.h> |
51270617 | 36 | #include <media/v4l2-device.h> |
35ea11ff | 37 | #include <media/v4l2-ioctl.h> |
1da177e4 LT |
38 | #include <asm/uaccess.h> |
39 | #include <asm/io.h> | |
40 | #include <linux/delay.h> | |
41 | #include <linux/interrupt.h> | |
42 | #include <linux/vmalloc.h> | |
d013a068 | 43 | #include <linux/dma-mapping.h> |
1da177e4 LT |
44 | |
45 | #include "meye.h" | |
46 | #include <linux/meye.h> | |
47 | ||
48 | MODULE_AUTHOR("Stelian Pop <stelian@popies.net>"); | |
6ec6e0ce | 49 | MODULE_DESCRIPTION("v4l2 driver for the MotionEye camera"); |
1da177e4 LT |
50 | MODULE_LICENSE("GPL"); |
51 | MODULE_VERSION(MEYE_DRIVER_VERSION); | |
52 | ||
1da177e4 LT |
53 | /* number of grab buffers */ |
54 | static unsigned int gbuffers = 2; | |
55 | module_param(gbuffers, int, 0444); | |
56 | MODULE_PARM_DESC(gbuffers, "number of capture buffers, default is 2 (32 max)"); | |
57 | ||
58 | /* size of a grab buffer */ | |
59 | static unsigned int gbufsize = MEYE_MAX_BUFSIZE; | |
60 | module_param(gbufsize, int, 0444); | |
61 | MODULE_PARM_DESC(gbufsize, "size of the capture buffers, default is 614400" | |
62 | " (will be rounded up to a page multiple)"); | |
63 | ||
64 | /* /dev/videoX registration number */ | |
65 | static int video_nr = -1; | |
66 | module_param(video_nr, int, 0444); | |
67 | MODULE_PARM_DESC(video_nr, "video device to register (0=/dev/video0, etc)"); | |
68 | ||
69 | /* driver structure - only one possible */ | |
70 | static struct meye meye; | |
71 | ||
72 | /****************************************************************************/ | |
73 | /* Memory allocation routines (stolen from bttv-driver.c) */ | |
74 | /****************************************************************************/ | |
75 | static void *rvmalloc(unsigned long size) | |
76 | { | |
77 | void *mem; | |
78 | unsigned long adr; | |
79 | ||
80 | size = PAGE_ALIGN(size); | |
81 | mem = vmalloc_32(size); | |
82 | if (mem) { | |
83 | memset(mem, 0, size); | |
84 | adr = (unsigned long) mem; | |
85 | while (size > 0) { | |
86 | SetPageReserved(vmalloc_to_page((void *)adr)); | |
87 | adr += PAGE_SIZE; | |
88 | size -= PAGE_SIZE; | |
89 | } | |
90 | } | |
91 | return mem; | |
92 | } | |
93 | ||
94 | static void rvfree(void * mem, unsigned long size) | |
95 | { | |
96 | unsigned long adr; | |
97 | ||
98 | if (mem) { | |
99 | adr = (unsigned long) mem; | |
100 | while ((long) size > 0) { | |
101 | ClearPageReserved(vmalloc_to_page((void *)adr)); | |
102 | adr += PAGE_SIZE; | |
103 | size -= PAGE_SIZE; | |
104 | } | |
105 | vfree(mem); | |
106 | } | |
107 | } | |
108 | ||
109 | /* | |
110 | * return a page table pointing to N pages of locked memory | |
111 | * | |
112 | * NOTE: The meye device expects DMA addresses on 32 bits, we build | |
113 | * a table of 1024 entries = 4 bytes * 1024 = 4096 bytes. | |
114 | */ | |
115 | static int ptable_alloc(void) | |
116 | { | |
117 | u32 *pt; | |
118 | int i; | |
119 | ||
120 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
121 | ||
122 | /* give only 32 bit DMA addresses */ | |
284901a9 | 123 | if (dma_set_mask(&meye.mchip_dev->dev, DMA_BIT_MASK(32))) |
1da177e4 LT |
124 | return -1; |
125 | ||
126 | meye.mchip_ptable_toc = dma_alloc_coherent(&meye.mchip_dev->dev, | |
127 | PAGE_SIZE, | |
128 | &meye.mchip_dmahandle, | |
129 | GFP_KERNEL); | |
130 | if (!meye.mchip_ptable_toc) { | |
131 | meye.mchip_dmahandle = 0; | |
132 | return -1; | |
133 | } | |
134 | ||
135 | pt = meye.mchip_ptable_toc; | |
136 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
137 | dma_addr_t dma; | |
138 | meye.mchip_ptable[i] = dma_alloc_coherent(&meye.mchip_dev->dev, | |
139 | PAGE_SIZE, | |
140 | &dma, | |
141 | GFP_KERNEL); | |
142 | if (!meye.mchip_ptable[i]) { | |
143 | int j; | |
144 | pt = meye.mchip_ptable_toc; | |
145 | for (j = 0; j < i; ++j) { | |
146 | dma = (dma_addr_t) *pt; | |
147 | dma_free_coherent(&meye.mchip_dev->dev, | |
148 | PAGE_SIZE, | |
149 | meye.mchip_ptable[j], dma); | |
150 | pt++; | |
151 | } | |
152 | dma_free_coherent(&meye.mchip_dev->dev, | |
153 | PAGE_SIZE, | |
154 | meye.mchip_ptable_toc, | |
155 | meye.mchip_dmahandle); | |
156 | meye.mchip_ptable_toc = NULL; | |
157 | meye.mchip_dmahandle = 0; | |
158 | return -1; | |
159 | } | |
160 | *pt = (u32) dma; | |
161 | pt++; | |
162 | } | |
163 | return 0; | |
164 | } | |
165 | ||
166 | static void ptable_free(void) | |
167 | { | |
168 | u32 *pt; | |
169 | int i; | |
170 | ||
171 | pt = meye.mchip_ptable_toc; | |
172 | for (i = 0; i < MCHIP_NB_PAGES; i++) { | |
173 | dma_addr_t dma = (dma_addr_t) *pt; | |
174 | if (meye.mchip_ptable[i]) | |
175 | dma_free_coherent(&meye.mchip_dev->dev, | |
176 | PAGE_SIZE, | |
177 | meye.mchip_ptable[i], dma); | |
178 | pt++; | |
179 | } | |
180 | ||
181 | if (meye.mchip_ptable_toc) | |
182 | dma_free_coherent(&meye.mchip_dev->dev, | |
183 | PAGE_SIZE, | |
184 | meye.mchip_ptable_toc, | |
185 | meye.mchip_dmahandle); | |
186 | ||
187 | memset(meye.mchip_ptable, 0, sizeof(meye.mchip_ptable)); | |
188 | meye.mchip_ptable_toc = NULL; | |
189 | meye.mchip_dmahandle = 0; | |
190 | } | |
191 | ||
192 | /* copy data from ptable into buf */ | |
193 | static void ptable_copy(u8 *buf, int start, int size, int pt_pages) | |
194 | { | |
195 | int i; | |
196 | ||
197 | for (i = 0; i < (size / PAGE_SIZE) * PAGE_SIZE; i += PAGE_SIZE) { | |
198 | memcpy(buf + i, meye.mchip_ptable[start++], PAGE_SIZE); | |
199 | if (start >= pt_pages) | |
200 | start = 0; | |
201 | } | |
202 | memcpy(buf + i, meye.mchip_ptable[start], size % PAGE_SIZE); | |
203 | } | |
204 | ||
205 | /****************************************************************************/ | |
206 | /* JPEG tables at different qualities to load into the VRJ chip */ | |
207 | /****************************************************************************/ | |
208 | ||
209 | /* return a set of quantisation tables based on a quality from 1 to 10 */ | |
210 | static u16 *jpeg_quantisation_tables(int *length, int quality) | |
211 | { | |
212 | static u16 jpeg_tables[][70] = { { | |
213 | 0xdbff, 0x4300, 0xff00, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
214 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
215 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
216 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
217 | 0xffff, 0xffff, 0xffff, | |
218 | 0xdbff, 0x4300, 0xff01, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
219 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
220 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
221 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
222 | 0xffff, 0xffff, 0xffff, | |
223 | }, | |
224 | { | |
225 | 0xdbff, 0x4300, 0x5000, 0x3c37, 0x3c46, 0x5032, 0x4146, 0x5a46, | |
226 | 0x5055, 0x785f, 0x82c8, 0x6e78, 0x786e, 0xaff5, 0x91b9, 0xffc8, | |
227 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
228 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
229 | 0xffff, 0xffff, 0xffff, | |
230 | 0xdbff, 0x4300, 0x5501, 0x5a5a, 0x6978, 0xeb78, 0x8282, 0xffeb, | |
231 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
232 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
233 | 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, 0xffff, | |
234 | 0xffff, 0xffff, 0xffff, | |
235 | }, | |
236 | { | |
237 | 0xdbff, 0x4300, 0x2800, 0x1e1c, 0x1e23, 0x2819, 0x2123, 0x2d23, | |
238 | 0x282b, 0x3c30, 0x4164, 0x373c, 0x3c37, 0x587b, 0x495d, 0x9164, | |
239 | 0x9980, 0x8f96, 0x8c80, 0xa08a, 0xe6b4, 0xa0c3, 0xdaaa, 0x8aad, | |
240 | 0xc88c, 0xcbff, 0xeeda, 0xfff5, 0xffff, 0xc19b, 0xffff, 0xfaff, | |
241 | 0xe6ff, 0xfffd, 0xfff8, | |
242 | 0xdbff, 0x4300, 0x2b01, 0x2d2d, 0x353c, 0x763c, 0x4141, 0xf876, | |
243 | 0x8ca5, 0xf8a5, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
244 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
245 | 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, 0xf8f8, | |
246 | 0xf8f8, 0xf8f8, 0xfff8, | |
247 | }, | |
248 | { | |
249 | 0xdbff, 0x4300, 0x1b00, 0x1412, 0x1417, 0x1b11, 0x1617, 0x1e17, | |
250 | 0x1b1c, 0x2820, 0x2b42, 0x2528, 0x2825, 0x3a51, 0x303d, 0x6042, | |
251 | 0x6555, 0x5f64, 0x5d55, 0x6a5b, 0x9978, 0x6a81, 0x9071, 0x5b73, | |
252 | 0x855d, 0x86b5, 0x9e90, 0xaba3, 0xabad, 0x8067, 0xc9bc, 0xa6ba, | |
253 | 0x99c7, 0xaba8, 0xffa4, | |
254 | 0xdbff, 0x4300, 0x1c01, 0x1e1e, 0x2328, 0x4e28, 0x2b2b, 0xa44e, | |
255 | 0x5d6e, 0xa46e, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
256 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
257 | 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, 0xa4a4, | |
258 | 0xa4a4, 0xa4a4, 0xffa4, | |
259 | }, | |
260 | { | |
261 | 0xdbff, 0x4300, 0x1400, 0x0f0e, 0x0f12, 0x140d, 0x1012, 0x1712, | |
262 | 0x1415, 0x1e18, 0x2132, 0x1c1e, 0x1e1c, 0x2c3d, 0x242e, 0x4932, | |
263 | 0x4c40, 0x474b, 0x4640, 0x5045, 0x735a, 0x5062, 0x6d55, 0x4556, | |
264 | 0x6446, 0x6588, 0x776d, 0x817b, 0x8182, 0x604e, 0x978d, 0x7d8c, | |
265 | 0x7396, 0x817e, 0xff7c, | |
266 | 0xdbff, 0x4300, 0x1501, 0x1717, 0x1a1e, 0x3b1e, 0x2121, 0x7c3b, | |
267 | 0x4653, 0x7c53, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
268 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
269 | 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, 0x7c7c, | |
270 | 0x7c7c, 0x7c7c, 0xff7c, | |
271 | }, | |
272 | { | |
273 | 0xdbff, 0x4300, 0x1000, 0x0c0b, 0x0c0e, 0x100a, 0x0d0e, 0x120e, | |
274 | 0x1011, 0x1813, 0x1a28, 0x1618, 0x1816, 0x2331, 0x1d25, 0x3a28, | |
275 | 0x3d33, 0x393c, 0x3833, 0x4037, 0x5c48, 0x404e, 0x5744, 0x3745, | |
276 | 0x5038, 0x516d, 0x5f57, 0x6762, 0x6768, 0x4d3e, 0x7971, 0x6470, | |
277 | 0x5c78, 0x6765, 0xff63, | |
278 | 0xdbff, 0x4300, 0x1101, 0x1212, 0x1518, 0x2f18, 0x1a1a, 0x632f, | |
279 | 0x3842, 0x6342, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
280 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
281 | 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, 0x6363, | |
282 | 0x6363, 0x6363, 0xff63, | |
283 | }, | |
284 | { | |
285 | 0xdbff, 0x4300, 0x0d00, 0x0a09, 0x0a0b, 0x0d08, 0x0a0b, 0x0e0b, | |
286 | 0x0d0e, 0x130f, 0x1520, 0x1213, 0x1312, 0x1c27, 0x171e, 0x2e20, | |
287 | 0x3129, 0x2e30, 0x2d29, 0x332c, 0x4a3a, 0x333e, 0x4636, 0x2c37, | |
288 | 0x402d, 0x4157, 0x4c46, 0x524e, 0x5253, 0x3e32, 0x615a, 0x505a, | |
289 | 0x4a60, 0x5251, 0xff4f, | |
290 | 0xdbff, 0x4300, 0x0e01, 0x0e0e, 0x1113, 0x2613, 0x1515, 0x4f26, | |
291 | 0x2d35, 0x4f35, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
292 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
293 | 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, 0x4f4f, | |
294 | 0x4f4f, 0x4f4f, 0xff4f, | |
295 | }, | |
296 | { | |
297 | 0xdbff, 0x4300, 0x0a00, 0x0707, 0x0708, 0x0a06, 0x0808, 0x0b08, | |
298 | 0x0a0a, 0x0e0b, 0x1018, 0x0d0e, 0x0e0d, 0x151d, 0x1116, 0x2318, | |
299 | 0x251f, 0x2224, 0x221f, 0x2621, 0x372b, 0x262f, 0x3429, 0x2129, | |
300 | 0x3022, 0x3141, 0x3934, 0x3e3b, 0x3e3e, 0x2e25, 0x4944, 0x3c43, | |
301 | 0x3748, 0x3e3d, 0xff3b, | |
302 | 0xdbff, 0x4300, 0x0a01, 0x0b0b, 0x0d0e, 0x1c0e, 0x1010, 0x3b1c, | |
303 | 0x2228, 0x3b28, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
304 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
305 | 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, 0x3b3b, | |
306 | 0x3b3b, 0x3b3b, 0xff3b, | |
307 | }, | |
308 | { | |
309 | 0xdbff, 0x4300, 0x0600, 0x0504, 0x0506, 0x0604, 0x0506, 0x0706, | |
310 | 0x0607, 0x0a08, 0x0a10, 0x090a, 0x0a09, 0x0e14, 0x0c0f, 0x1710, | |
311 | 0x1814, 0x1718, 0x1614, 0x1a16, 0x251d, 0x1a1f, 0x231b, 0x161c, | |
312 | 0x2016, 0x202c, 0x2623, 0x2927, 0x292a, 0x1f19, 0x302d, 0x282d, | |
313 | 0x2530, 0x2928, 0xff28, | |
314 | 0xdbff, 0x4300, 0x0701, 0x0707, 0x080a, 0x130a, 0x0a0a, 0x2813, | |
315 | 0x161a, 0x281a, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
316 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
317 | 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, 0x2828, | |
318 | 0x2828, 0x2828, 0xff28, | |
319 | }, | |
320 | { | |
321 | 0xdbff, 0x4300, 0x0300, 0x0202, 0x0203, 0x0302, 0x0303, 0x0403, | |
322 | 0x0303, 0x0504, 0x0508, 0x0405, 0x0504, 0x070a, 0x0607, 0x0c08, | |
323 | 0x0c0a, 0x0b0c, 0x0b0a, 0x0d0b, 0x120e, 0x0d10, 0x110e, 0x0b0e, | |
324 | 0x100b, 0x1016, 0x1311, 0x1514, 0x1515, 0x0f0c, 0x1817, 0x1416, | |
325 | 0x1218, 0x1514, 0xff14, | |
326 | 0xdbff, 0x4300, 0x0301, 0x0404, 0x0405, 0x0905, 0x0505, 0x1409, | |
327 | 0x0b0d, 0x140d, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
328 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
329 | 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, 0x1414, | |
330 | 0x1414, 0x1414, 0xff14, | |
331 | }, | |
332 | { | |
333 | 0xdbff, 0x4300, 0x0100, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
334 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
335 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
336 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
337 | 0x0101, 0x0101, 0xff01, | |
338 | 0xdbff, 0x4300, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
339 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
340 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
341 | 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, 0x0101, | |
342 | 0x0101, 0x0101, 0xff01, | |
343 | } }; | |
344 | ||
345 | if (quality < 0 || quality > 10) { | |
346 | printk(KERN_WARNING | |
347 | "meye: invalid quality level %d - using 8\n", quality); | |
348 | quality = 8; | |
349 | } | |
350 | ||
351 | *length = ARRAY_SIZE(jpeg_tables[quality]); | |
352 | return jpeg_tables[quality]; | |
353 | } | |
354 | ||
355 | /* return a generic set of huffman tables */ | |
356 | static u16 *jpeg_huffman_tables(int *length) | |
357 | { | |
358 | static u16 tables[] = { | |
359 | 0xC4FF, 0xB500, 0x0010, 0x0102, 0x0303, 0x0402, 0x0503, 0x0405, | |
360 | 0x0004, 0x0100, 0x017D, 0x0302, 0x0400, 0x0511, 0x2112, 0x4131, | |
361 | 0x1306, 0x6151, 0x2207, 0x1471, 0x8132, 0xA191, 0x2308, 0xB142, | |
362 | 0x15C1, 0xD152, 0x24F0, 0x6233, 0x8272, 0x0A09, 0x1716, 0x1918, | |
363 | 0x251A, 0x2726, 0x2928, 0x342A, 0x3635, 0x3837, 0x3A39, 0x4443, | |
364 | 0x4645, 0x4847, 0x4A49, 0x5453, 0x5655, 0x5857, 0x5A59, 0x6463, | |
365 | 0x6665, 0x6867, 0x6A69, 0x7473, 0x7675, 0x7877, 0x7A79, 0x8483, | |
366 | 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, 0xA29A, | |
367 | 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, 0xB9B8, | |
368 | 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, 0xD7D6, | |
369 | 0xD9D8, 0xE1DA, 0xE3E2, 0xE5E4, 0xE7E6, 0xE9E8, 0xF1EA, 0xF3F2, | |
370 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
371 | 0xC4FF, 0xB500, 0x0011, 0x0102, 0x0402, 0x0304, 0x0704, 0x0405, | |
372 | 0x0004, 0x0201, 0x0077, 0x0201, 0x1103, 0x0504, 0x3121, 0x1206, | |
373 | 0x5141, 0x6107, 0x1371, 0x3222, 0x0881, 0x4214, 0xA191, 0xC1B1, | |
374 | 0x2309, 0x5233, 0x15F0, 0x7262, 0x0AD1, 0x2416, 0xE134, 0xF125, | |
375 | 0x1817, 0x1A19, 0x2726, 0x2928, 0x352A, 0x3736, 0x3938, 0x433A, | |
376 | 0x4544, 0x4746, 0x4948, 0x534A, 0x5554, 0x5756, 0x5958, 0x635A, | |
377 | 0x6564, 0x6766, 0x6968, 0x736A, 0x7574, 0x7776, 0x7978, 0x827A, | |
378 | 0x8483, 0x8685, 0x8887, 0x8A89, 0x9392, 0x9594, 0x9796, 0x9998, | |
379 | 0xA29A, 0xA4A3, 0xA6A5, 0xA8A7, 0xAAA9, 0xB3B2, 0xB5B4, 0xB7B6, | |
380 | 0xB9B8, 0xC2BA, 0xC4C3, 0xC6C5, 0xC8C7, 0xCAC9, 0xD3D2, 0xD5D4, | |
381 | 0xD7D6, 0xD9D8, 0xE2DA, 0xE4E3, 0xE6E5, 0xE8E7, 0xEAE9, 0xF3F2, | |
382 | 0xF5F4, 0xF7F6, 0xF9F8, 0xFFFA, | |
383 | 0xC4FF, 0x1F00, 0x0000, 0x0501, 0x0101, 0x0101, 0x0101, 0x0000, | |
384 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
385 | 0xFF0B, | |
386 | 0xC4FF, 0x1F00, 0x0001, 0x0103, 0x0101, 0x0101, 0x0101, 0x0101, | |
387 | 0x0000, 0x0000, 0x0000, 0x0201, 0x0403, 0x0605, 0x0807, 0x0A09, | |
388 | 0xFF0B | |
389 | }; | |
390 | ||
391 | *length = ARRAY_SIZE(tables); | |
392 | return tables; | |
393 | } | |
394 | ||
395 | /****************************************************************************/ | |
396 | /* MCHIP low-level functions */ | |
397 | /****************************************************************************/ | |
398 | ||
399 | /* returns the horizontal capture size */ | |
400 | static inline int mchip_hsize(void) | |
401 | { | |
402 | return meye.params.subsample ? 320 : 640; | |
403 | } | |
404 | ||
405 | /* returns the vertical capture size */ | |
406 | static inline int mchip_vsize(void) | |
407 | { | |
408 | return meye.params.subsample ? 240 : 480; | |
409 | } | |
410 | ||
411 | /* waits for a register to be available */ | |
412 | static void mchip_sync(int reg) | |
413 | { | |
414 | u32 status; | |
415 | int i; | |
416 | ||
417 | if (reg == MCHIP_MM_FIFO_DATA) { | |
418 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
419 | status = readl(meye.mchip_mmregs + | |
420 | MCHIP_MM_FIFO_STATUS); | |
421 | if (!(status & MCHIP_MM_FIFO_WAIT)) { | |
422 | printk(KERN_WARNING "meye: fifo not ready\n"); | |
423 | return; | |
424 | } | |
425 | if (status & MCHIP_MM_FIFO_READY) | |
426 | return; | |
427 | udelay(1); | |
428 | } | |
429 | } else if (reg > 0x80) { | |
430 | u32 mask = (reg < 0x100) ? MCHIP_HIC_STATUS_MCC_RDY | |
431 | : MCHIP_HIC_STATUS_VRJ_RDY; | |
432 | for (i = 0; i < MCHIP_REG_TIMEOUT; i++) { | |
433 | status = readl(meye.mchip_mmregs + MCHIP_HIC_STATUS); | |
434 | if (status & mask) | |
435 | return; | |
436 | udelay(1); | |
437 | } | |
438 | } else | |
439 | return; | |
440 | printk(KERN_WARNING | |
441 | "meye: mchip_sync() timeout on reg 0x%x status=0x%x\n", | |
442 | reg, status); | |
443 | } | |
444 | ||
445 | /* sets a value into the register */ | |
446 | static inline void mchip_set(int reg, u32 v) | |
447 | { | |
448 | mchip_sync(reg); | |
449 | writel(v, meye.mchip_mmregs + reg); | |
450 | } | |
451 | ||
452 | /* get the register value */ | |
453 | static inline u32 mchip_read(int reg) | |
454 | { | |
455 | mchip_sync(reg); | |
456 | return readl(meye.mchip_mmregs + reg); | |
457 | } | |
458 | ||
459 | /* wait for a register to become a particular value */ | |
460 | static inline int mchip_delay(u32 reg, u32 v) | |
461 | { | |
462 | int n = 10; | |
463 | while (--n && mchip_read(reg) != v) | |
464 | udelay(1); | |
465 | return n; | |
466 | } | |
467 | ||
468 | /* setup subsampling */ | |
469 | static void mchip_subsample(void) | |
470 | { | |
471 | mchip_set(MCHIP_MCC_R_SAMPLING, meye.params.subsample); | |
472 | mchip_set(MCHIP_MCC_R_XRANGE, mchip_hsize()); | |
473 | mchip_set(MCHIP_MCC_R_YRANGE, mchip_vsize()); | |
474 | mchip_set(MCHIP_MCC_B_XRANGE, mchip_hsize()); | |
475 | mchip_set(MCHIP_MCC_B_YRANGE, mchip_vsize()); | |
476 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
477 | } | |
478 | ||
479 | /* set the framerate into the mchip */ | |
480 | static void mchip_set_framerate(void) | |
481 | { | |
482 | mchip_set(MCHIP_HIC_S_RATE, meye.params.framerate); | |
483 | } | |
484 | ||
485 | /* load some huffman and quantisation tables into the VRJ chip ready | |
486 | for JPEG compression */ | |
487 | static void mchip_load_tables(void) | |
488 | { | |
489 | int i; | |
490 | int length; | |
491 | u16 *tables; | |
492 | ||
493 | tables = jpeg_huffman_tables(&length); | |
494 | for (i = 0; i < length; i++) | |
495 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
496 | ||
497 | tables = jpeg_quantisation_tables(&length, meye.params.quality); | |
498 | for (i = 0; i < length; i++) | |
499 | writel(tables[i], meye.mchip_mmregs + MCHIP_VRJ_TABLE_DATA); | |
500 | } | |
501 | ||
502 | /* setup the VRJ parameters in the chip */ | |
503 | static void mchip_vrj_setup(u8 mode) | |
504 | { | |
505 | mchip_set(MCHIP_VRJ_BUS_MODE, 5); | |
506 | mchip_set(MCHIP_VRJ_SIGNAL_ACTIVE_LEVEL, 0x1f); | |
507 | mchip_set(MCHIP_VRJ_PDAT_USE, 1); | |
508 | mchip_set(MCHIP_VRJ_IRQ_FLAG, 0xa0); | |
509 | mchip_set(MCHIP_VRJ_MODE_SPECIFY, mode); | |
510 | mchip_set(MCHIP_VRJ_NUM_LINES, mchip_vsize()); | |
511 | mchip_set(MCHIP_VRJ_NUM_PIXELS, mchip_hsize()); | |
512 | mchip_set(MCHIP_VRJ_NUM_COMPONENTS, 0x1b); | |
513 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_LO, 0xFFFF); | |
514 | mchip_set(MCHIP_VRJ_LIMIT_COMPRESSED_HI, 0xFFFF); | |
515 | mchip_set(MCHIP_VRJ_COMP_DATA_FORMAT, 0xC); | |
516 | mchip_set(MCHIP_VRJ_RESTART_INTERVAL, 0); | |
517 | mchip_set(MCHIP_VRJ_SOF1, 0x601); | |
518 | mchip_set(MCHIP_VRJ_SOF2, 0x1502); | |
519 | mchip_set(MCHIP_VRJ_SOF3, 0x1503); | |
520 | mchip_set(MCHIP_VRJ_SOF4, 0x1596); | |
521 | mchip_set(MCHIP_VRJ_SOS, 0x0ed0); | |
522 | ||
523 | mchip_load_tables(); | |
524 | } | |
525 | ||
526 | /* sets the DMA parameters into the chip */ | |
527 | static void mchip_dma_setup(dma_addr_t dma_addr) | |
528 | { | |
529 | int i; | |
530 | ||
531 | mchip_set(MCHIP_MM_PT_ADDR, (u32)dma_addr); | |
532 | for (i = 0; i < 4; i++) | |
533 | mchip_set(MCHIP_MM_FIR(i), 0); | |
534 | meye.mchip_fnum = 0; | |
535 | } | |
536 | ||
537 | /* setup for DMA transfers - also zeros the framebuffer */ | |
538 | static int mchip_dma_alloc(void) | |
539 | { | |
540 | if (!meye.mchip_dmahandle) | |
541 | if (ptable_alloc()) | |
542 | return -1; | |
543 | return 0; | |
544 | } | |
545 | ||
546 | /* frees the DMA buffer */ | |
547 | static void mchip_dma_free(void) | |
548 | { | |
549 | if (meye.mchip_dmahandle) { | |
550 | mchip_dma_setup(0); | |
551 | ptable_free(); | |
552 | } | |
553 | } | |
554 | ||
555 | /* stop any existing HIC action and wait for any dma to complete then | |
556 | reset the dma engine */ | |
557 | static void mchip_hic_stop(void) | |
558 | { | |
559 | int i, j; | |
560 | ||
561 | meye.mchip_mode = MCHIP_HIC_MODE_NOOP; | |
562 | if (!(mchip_read(MCHIP_HIC_STATUS) & MCHIP_HIC_STATUS_BUSY)) | |
563 | return; | |
564 | for (i = 0; i < 20; ++i) { | |
565 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_STOP); | |
566 | mchip_delay(MCHIP_HIC_CMD, 0); | |
567 | for (j = 0; j < 100; ++j) { | |
568 | if (mchip_delay(MCHIP_HIC_STATUS, | |
569 | MCHIP_HIC_STATUS_IDLE)) | |
570 | return; | |
571 | msleep(1); | |
572 | } | |
573 | printk(KERN_ERR "meye: need to reset HIC!\n"); | |
574 | ||
575 | mchip_set(MCHIP_HIC_CTL, MCHIP_HIC_CTL_SOFT_RESET); | |
576 | msleep(250); | |
577 | } | |
578 | printk(KERN_ERR "meye: resetting HIC hanged!\n"); | |
579 | } | |
580 | ||
581 | /****************************************************************************/ | |
582 | /* MCHIP frame processing functions */ | |
583 | /****************************************************************************/ | |
584 | ||
585 | /* get the next ready frame from the dma engine */ | |
586 | static u32 mchip_get_frame(void) | |
587 | { | |
588 | u32 v; | |
589 | ||
590 | v = mchip_read(MCHIP_MM_FIR(meye.mchip_fnum)); | |
591 | return v; | |
592 | } | |
593 | ||
594 | /* frees the current frame from the dma engine */ | |
595 | static void mchip_free_frame(void) | |
596 | { | |
597 | mchip_set(MCHIP_MM_FIR(meye.mchip_fnum), 0); | |
598 | meye.mchip_fnum++; | |
599 | meye.mchip_fnum %= 4; | |
600 | } | |
601 | ||
602 | /* read one frame from the framebuffer assuming it was captured using | |
603 | a uncompressed transfer */ | |
604 | static void mchip_cont_read_frame(u32 v, u8 *buf, int size) | |
605 | { | |
606 | int pt_id; | |
607 | ||
608 | pt_id = (v >> 17) & 0x3FF; | |
609 | ||
610 | ptable_copy(buf, pt_id, size, MCHIP_NB_PAGES); | |
611 | } | |
612 | ||
613 | /* read a compressed frame from the framebuffer */ | |
614 | static int mchip_comp_read_frame(u32 v, u8 *buf, int size) | |
615 | { | |
616 | int pt_start, pt_end, trailer; | |
617 | int fsize; | |
618 | int i; | |
619 | ||
620 | pt_start = (v >> 19) & 0xFF; | |
621 | pt_end = (v >> 11) & 0xFF; | |
622 | trailer = (v >> 1) & 0x3FF; | |
623 | ||
624 | if (pt_end < pt_start) | |
625 | fsize = (MCHIP_NB_PAGES_MJPEG - pt_start) * PAGE_SIZE + | |
626 | pt_end * PAGE_SIZE + trailer * 4; | |
627 | else | |
628 | fsize = (pt_end - pt_start) * PAGE_SIZE + trailer * 4; | |
629 | ||
630 | if (fsize > size) { | |
631 | printk(KERN_WARNING "meye: oversized compressed frame %d\n", | |
632 | fsize); | |
633 | return -1; | |
634 | } | |
635 | ||
636 | ptable_copy(buf, pt_start, fsize, MCHIP_NB_PAGES_MJPEG); | |
637 | ||
638 | #ifdef MEYE_JPEG_CORRECTION | |
639 | ||
640 | /* Some mchip generated jpeg frames are incorrect. In most | |
641 | * (all ?) of those cases, the final EOI (0xff 0xd9) marker | |
642 | * is not present at the end of the frame. | |
643 | * | |
644 | * Since adding the final marker is not enough to restore | |
645 | * the jpeg integrity, we drop the frame. | |
646 | */ | |
647 | ||
648 | for (i = fsize - 1; i > 0 && buf[i] == 0xff; i--) ; | |
649 | ||
650 | if (i < 2 || buf[i - 1] != 0xff || buf[i] != 0xd9) | |
651 | return -1; | |
652 | ||
653 | #endif | |
654 | ||
655 | return fsize; | |
656 | } | |
657 | ||
658 | /* take a picture into SDRAM */ | |
659 | static void mchip_take_picture(void) | |
660 | { | |
661 | int i; | |
662 | ||
663 | mchip_hic_stop(); | |
664 | mchip_subsample(); | |
665 | mchip_dma_setup(meye.mchip_dmahandle); | |
666 | ||
667 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_CAP); | |
668 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
669 | ||
670 | mchip_delay(MCHIP_HIC_CMD, 0); | |
671 | ||
672 | for (i = 0; i < 100; ++i) { | |
673 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
674 | break; | |
675 | msleep(1); | |
676 | } | |
677 | } | |
678 | ||
679 | /* dma a previously taken picture into a buffer */ | |
680 | static void mchip_get_picture(u8 *buf, int bufsize) | |
681 | { | |
682 | u32 v; | |
683 | int i; | |
684 | ||
685 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_OUT); | |
686 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
687 | ||
688 | mchip_delay(MCHIP_HIC_CMD, 0); | |
689 | for (i = 0; i < 100; ++i) { | |
690 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
691 | break; | |
692 | msleep(1); | |
693 | } | |
694 | for (i = 0; i < 4; ++i) { | |
695 | v = mchip_get_frame(); | |
696 | if (v & MCHIP_MM_FIR_RDY) { | |
697 | mchip_cont_read_frame(v, buf, bufsize); | |
698 | break; | |
699 | } | |
700 | mchip_free_frame(); | |
701 | } | |
702 | } | |
703 | ||
704 | /* start continuous dma capture */ | |
705 | static void mchip_continuous_start(void) | |
706 | { | |
707 | mchip_hic_stop(); | |
708 | mchip_subsample(); | |
709 | mchip_set_framerate(); | |
710 | mchip_dma_setup(meye.mchip_dmahandle); | |
711 | ||
712 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
713 | ||
714 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_OUT); | |
715 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
716 | ||
717 | mchip_delay(MCHIP_HIC_CMD, 0); | |
718 | } | |
719 | ||
720 | /* compress one frame into a buffer */ | |
721 | static int mchip_compress_frame(u8 *buf, int bufsize) | |
722 | { | |
723 | u32 v; | |
724 | int len = -1, i; | |
725 | ||
726 | mchip_vrj_setup(0x3f); | |
727 | udelay(50); | |
728 | ||
729 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_COMP); | |
730 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
731 | ||
732 | mchip_delay(MCHIP_HIC_CMD, 0); | |
733 | for (i = 0; i < 100; ++i) { | |
734 | if (mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE)) | |
735 | break; | |
736 | msleep(1); | |
737 | } | |
738 | ||
739 | for (i = 0; i < 4; ++i) { | |
740 | v = mchip_get_frame(); | |
741 | if (v & MCHIP_MM_FIR_RDY) { | |
742 | len = mchip_comp_read_frame(v, buf, bufsize); | |
743 | break; | |
744 | } | |
745 | mchip_free_frame(); | |
746 | } | |
747 | return len; | |
748 | } | |
749 | ||
750 | #if 0 | |
751 | /* uncompress one image into a buffer */ | |
752 | static int mchip_uncompress_frame(u8 *img, int imgsize, u8 *buf, int bufsize) | |
753 | { | |
754 | mchip_vrj_setup(0x3f); | |
755 | udelay(50); | |
756 | ||
757 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_STILL_DECOMP); | |
758 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
759 | ||
760 | mchip_delay(MCHIP_HIC_CMD, 0); | |
761 | ||
762 | return mchip_comp_read_frame(buf, bufsize); | |
763 | } | |
764 | #endif | |
765 | ||
766 | /* start continuous compressed capture */ | |
767 | static void mchip_cont_compression_start(void) | |
768 | { | |
769 | mchip_hic_stop(); | |
770 | mchip_vrj_setup(0x3f); | |
771 | mchip_subsample(); | |
772 | mchip_set_framerate(); | |
773 | mchip_dma_setup(meye.mchip_dmahandle); | |
774 | ||
775 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
776 | ||
777 | mchip_set(MCHIP_HIC_MODE, MCHIP_HIC_MODE_CONT_COMP); | |
778 | mchip_set(MCHIP_HIC_CMD, MCHIP_HIC_CMD_START); | |
779 | ||
780 | mchip_delay(MCHIP_HIC_CMD, 0); | |
781 | } | |
782 | ||
783 | /****************************************************************************/ | |
784 | /* Interrupt handling */ | |
785 | /****************************************************************************/ | |
786 | ||
7d12e780 | 787 | static irqreturn_t meye_irq(int irq, void *dev_id) |
1da177e4 LT |
788 | { |
789 | u32 v; | |
790 | int reqnr; | |
ff699e6b | 791 | static int sequence; |
1da177e4 LT |
792 | |
793 | v = mchip_read(MCHIP_MM_INTA); | |
794 | ||
795 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_OUT && | |
796 | meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) | |
797 | return IRQ_NONE; | |
798 | ||
799 | again: | |
800 | v = mchip_get_frame(); | |
801 | if (!(v & MCHIP_MM_FIR_RDY)) | |
802 | return IRQ_HANDLED; | |
803 | ||
804 | if (meye.mchip_mode == MCHIP_HIC_MODE_CONT_OUT) { | |
7acd72eb | 805 | if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr, |
c1e13f25 | 806 | sizeof(int), &meye.grabq_lock) != sizeof(int)) { |
1da177e4 LT |
807 | mchip_free_frame(); |
808 | return IRQ_HANDLED; | |
809 | } | |
810 | mchip_cont_read_frame(v, meye.grab_fbuffer + gbufsize * reqnr, | |
811 | mchip_hsize() * mchip_vsize() * 2); | |
812 | meye.grab_buffer[reqnr].size = mchip_hsize() * mchip_vsize() * 2; | |
813 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
814 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
815 | meye.grab_buffer[reqnr].sequence = sequence++; | |
7acd72eb | 816 | kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 817 | sizeof(int), &meye.doneq_lock); |
1da177e4 LT |
818 | wake_up_interruptible(&meye.proc_list); |
819 | } else { | |
820 | int size; | |
821 | size = mchip_comp_read_frame(v, meye.grab_temp, gbufsize); | |
822 | if (size == -1) { | |
823 | mchip_free_frame(); | |
824 | goto again; | |
825 | } | |
7acd72eb | 826 | if (kfifo_out_locked(&meye.grabq, (unsigned char *)&reqnr, |
c1e13f25 | 827 | sizeof(int), &meye.grabq_lock) != sizeof(int)) { |
1da177e4 LT |
828 | mchip_free_frame(); |
829 | goto again; | |
830 | } | |
831 | memcpy(meye.grab_fbuffer + gbufsize * reqnr, meye.grab_temp, | |
832 | size); | |
833 | meye.grab_buffer[reqnr].size = size; | |
834 | meye.grab_buffer[reqnr].state = MEYE_BUF_DONE; | |
835 | do_gettimeofday(&meye.grab_buffer[reqnr].timestamp); | |
836 | meye.grab_buffer[reqnr].sequence = sequence++; | |
7acd72eb | 837 | kfifo_in_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 838 | sizeof(int), &meye.doneq_lock); |
1da177e4 LT |
839 | wake_up_interruptible(&meye.proc_list); |
840 | } | |
841 | mchip_free_frame(); | |
842 | goto again; | |
843 | } | |
844 | ||
845 | /****************************************************************************/ | |
846 | /* video4linux integration */ | |
847 | /****************************************************************************/ | |
848 | ||
bec43661 | 849 | static int meye_open(struct file *file) |
1da177e4 | 850 | { |
7d43cd53 | 851 | int i; |
1da177e4 | 852 | |
7d43cd53 HV |
853 | if (test_and_set_bit(0, &meye.in_use)) |
854 | return -EBUSY; | |
1da177e4 LT |
855 | |
856 | mchip_hic_stop(); | |
857 | ||
858 | if (mchip_dma_alloc()) { | |
859 | printk(KERN_ERR "meye: mchip framebuffer allocation failed\n"); | |
7d43cd53 | 860 | clear_bit(0, &meye.in_use); |
1da177e4 LT |
861 | return -ENOBUFS; |
862 | } | |
863 | ||
864 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
865 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
45465487 SS |
866 | kfifo_reset(&meye.grabq); |
867 | kfifo_reset(&meye.doneq); | |
1da177e4 LT |
868 | return 0; |
869 | } | |
870 | ||
bec43661 | 871 | static int meye_release(struct file *file) |
1da177e4 LT |
872 | { |
873 | mchip_hic_stop(); | |
874 | mchip_dma_free(); | |
7d43cd53 | 875 | clear_bit(0, &meye.in_use); |
1da177e4 LT |
876 | return 0; |
877 | } | |
878 | ||
6ec6e0ce | 879 | static int meyeioc_g_params(struct meye_params *p) |
1da177e4 | 880 | { |
6ec6e0ce DSL |
881 | *p = meye.params; |
882 | return 0; | |
883 | } | |
1da177e4 | 884 | |
6ec6e0ce DSL |
885 | static int meyeioc_s_params(struct meye_params *jp) |
886 | { | |
887 | if (jp->subsample > 1) | |
888 | return -EINVAL; | |
1da177e4 | 889 | |
6ec6e0ce DSL |
890 | if (jp->quality > 10) |
891 | return -EINVAL; | |
1da177e4 | 892 | |
6ec6e0ce DSL |
893 | if (jp->sharpness > 63 || jp->agc > 63 || jp->picture > 63) |
894 | return -EINVAL; | |
1da177e4 | 895 | |
6ec6e0ce DSL |
896 | if (jp->framerate > 31) |
897 | return -EINVAL; | |
1da177e4 | 898 | |
6ec6e0ce | 899 | mutex_lock(&meye.lock); |
1da177e4 | 900 | |
6ec6e0ce DSL |
901 | if (meye.params.subsample != jp->subsample || |
902 | meye.params.quality != jp->quality) | |
903 | mchip_hic_stop(); /* need restart */ | |
904 | ||
905 | meye.params = *jp; | |
906 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, | |
907 | meye.params.sharpness); | |
908 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, | |
909 | meye.params.agc); | |
910 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, | |
911 | meye.params.picture); | |
912 | mutex_unlock(&meye.lock); | |
1da177e4 | 913 | |
6ec6e0ce DSL |
914 | return 0; |
915 | } | |
1da177e4 | 916 | |
6ec6e0ce DSL |
917 | static int meyeioc_qbuf_capt(int *nb) |
918 | { | |
919 | if (!meye.grab_fbuffer) | |
920 | return -EINVAL; | |
1da177e4 | 921 | |
6ec6e0ce DSL |
922 | if (*nb >= gbuffers) |
923 | return -EINVAL; | |
1da177e4 | 924 | |
6ec6e0ce DSL |
925 | if (*nb < 0) { |
926 | /* stop capture */ | |
927 | mchip_hic_stop(); | |
928 | return 0; | |
1da177e4 LT |
929 | } |
930 | ||
6ec6e0ce DSL |
931 | if (meye.grab_buffer[*nb].state != MEYE_BUF_UNUSED) |
932 | return -EBUSY; | |
1da177e4 | 933 | |
6ec6e0ce | 934 | mutex_lock(&meye.lock); |
1da177e4 | 935 | |
6ec6e0ce DSL |
936 | if (meye.mchip_mode != MCHIP_HIC_MODE_CONT_COMP) |
937 | mchip_cont_compression_start(); | |
1da177e4 | 938 | |
6ec6e0ce | 939 | meye.grab_buffer[*nb].state = MEYE_BUF_USING; |
7acd72eb | 940 | kfifo_in_locked(&meye.grabq, (unsigned char *)nb, sizeof(int), |
c1e13f25 | 941 | &meye.grabq_lock); |
6ec6e0ce | 942 | mutex_unlock(&meye.lock); |
1da177e4 | 943 | |
6ec6e0ce DSL |
944 | return 0; |
945 | } | |
1da177e4 | 946 | |
6ec6e0ce DSL |
947 | static int meyeioc_sync(struct file *file, void *fh, int *i) |
948 | { | |
949 | int unused; | |
1da177e4 | 950 | |
6ec6e0ce DSL |
951 | if (*i < 0 || *i >= gbuffers) |
952 | return -EINVAL; | |
953 | ||
954 | mutex_lock(&meye.lock); | |
955 | switch (meye.grab_buffer[*i].state) { | |
956 | ||
957 | case MEYE_BUF_UNUSED: | |
3593cab5 | 958 | mutex_unlock(&meye.lock); |
6ec6e0ce DSL |
959 | return -EINVAL; |
960 | case MEYE_BUF_USING: | |
961 | if (file->f_flags & O_NONBLOCK) { | |
962 | mutex_unlock(&meye.lock); | |
963 | return -EAGAIN; | |
964 | } | |
965 | if (wait_event_interruptible(meye.proc_list, | |
966 | (meye.grab_buffer[*i].state != MEYE_BUF_USING))) { | |
967 | mutex_unlock(&meye.lock); | |
968 | return -EINTR; | |
969 | } | |
970 | /* fall through */ | |
971 | case MEYE_BUF_DONE: | |
972 | meye.grab_buffer[*i].state = MEYE_BUF_UNUSED; | |
9842c38e SS |
973 | if (kfifo_out_locked(&meye.doneq, (unsigned char *)&unused, |
974 | sizeof(int), &meye.doneq_lock) != sizeof(int)) | |
975 | break; | |
1da177e4 | 976 | } |
6ec6e0ce DSL |
977 | *i = meye.grab_buffer[*i].size; |
978 | mutex_unlock(&meye.lock); | |
979 | return 0; | |
980 | } | |
981 | ||
982 | static int meyeioc_stillcapt(void) | |
983 | { | |
984 | if (!meye.grab_fbuffer) | |
985 | return -EINVAL; | |
1da177e4 | 986 | |
6ec6e0ce DSL |
987 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) |
988 | return -EBUSY; | |
1da177e4 | 989 | |
6ec6e0ce DSL |
990 | mutex_lock(&meye.lock); |
991 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
992 | mchip_take_picture(); | |
1da177e4 | 993 | |
6ec6e0ce DSL |
994 | mchip_get_picture(meye.grab_fbuffer, |
995 | mchip_hsize() * mchip_vsize() * 2); | |
1da177e4 | 996 | |
6ec6e0ce DSL |
997 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
998 | mutex_unlock(&meye.lock); | |
999 | ||
1000 | return 0; | |
1001 | } | |
1002 | ||
1003 | static int meyeioc_stilljcapt(int *len) | |
1004 | { | |
1005 | if (!meye.grab_fbuffer) | |
1006 | return -EINVAL; | |
1007 | ||
1008 | if (meye.grab_buffer[0].state != MEYE_BUF_UNUSED) | |
1009 | return -EBUSY; | |
1da177e4 | 1010 | |
6ec6e0ce DSL |
1011 | mutex_lock(&meye.lock); |
1012 | meye.grab_buffer[0].state = MEYE_BUF_USING; | |
1013 | *len = -1; | |
1da177e4 | 1014 | |
6ec6e0ce | 1015 | while (*len == -1) { |
1da177e4 | 1016 | mchip_take_picture(); |
6ec6e0ce | 1017 | *len = mchip_compress_frame(meye.grab_fbuffer, gbufsize); |
1da177e4 LT |
1018 | } |
1019 | ||
6ec6e0ce DSL |
1020 | meye.grab_buffer[0].state = MEYE_BUF_DONE; |
1021 | mutex_unlock(&meye.lock); | |
1022 | return 0; | |
1023 | } | |
1da177e4 | 1024 | |
6ec6e0ce DSL |
1025 | static int vidioc_querycap(struct file *file, void *fh, |
1026 | struct v4l2_capability *cap) | |
1027 | { | |
6ec6e0ce DSL |
1028 | strcpy(cap->driver, "meye"); |
1029 | strcpy(cap->card, "meye"); | |
1030 | sprintf(cap->bus_info, "PCI:%s", pci_name(meye.mchip_dev)); | |
1da177e4 | 1031 | |
6ec6e0ce DSL |
1032 | cap->version = (MEYE_DRIVER_MAJORVERSION << 8) + |
1033 | MEYE_DRIVER_MINORVERSION; | |
1da177e4 | 1034 | |
6ec6e0ce DSL |
1035 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
1036 | V4L2_CAP_STREAMING; | |
1037 | ||
1038 | return 0; | |
1039 | } | |
1da177e4 | 1040 | |
6ec6e0ce DSL |
1041 | static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) |
1042 | { | |
1043 | if (i->index != 0) | |
1044 | return -EINVAL; | |
1045 | ||
6ec6e0ce DSL |
1046 | strcpy(i->name, "Camera"); |
1047 | i->type = V4L2_INPUT_TYPE_CAMERA; | |
1048 | ||
1049 | return 0; | |
1050 | } | |
1051 | ||
1052 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) | |
1053 | { | |
1054 | *i = 0; | |
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | static int vidioc_s_input(struct file *file, void *fh, unsigned int i) | |
1059 | { | |
1060 | if (i != 0) | |
1061 | return -EINVAL; | |
1da177e4 | 1062 | |
6ec6e0ce DSL |
1063 | return 0; |
1064 | } | |
1065 | ||
1066 | static int vidioc_queryctrl(struct file *file, void *fh, | |
1067 | struct v4l2_queryctrl *c) | |
1068 | { | |
1069 | switch (c->id) { | |
1070 | ||
1071 | case V4L2_CID_BRIGHTNESS: | |
1072 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1073 | strcpy(c->name, "Brightness"); | |
1074 | c->minimum = 0; | |
1075 | c->maximum = 63; | |
1076 | c->step = 1; | |
1077 | c->default_value = 32; | |
1078 | c->flags = 0; | |
1079 | break; | |
1080 | case V4L2_CID_HUE: | |
1081 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1082 | strcpy(c->name, "Hue"); | |
1083 | c->minimum = 0; | |
1084 | c->maximum = 63; | |
1085 | c->step = 1; | |
1086 | c->default_value = 32; | |
1087 | c->flags = 0; | |
1088 | break; | |
1089 | case V4L2_CID_CONTRAST: | |
1090 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1091 | strcpy(c->name, "Contrast"); | |
1092 | c->minimum = 0; | |
1093 | c->maximum = 63; | |
1094 | c->step = 1; | |
1095 | c->default_value = 32; | |
1096 | c->flags = 0; | |
1097 | break; | |
1098 | case V4L2_CID_SATURATION: | |
1099 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1100 | strcpy(c->name, "Saturation"); | |
1101 | c->minimum = 0; | |
1102 | c->maximum = 63; | |
1103 | c->step = 1; | |
1104 | c->default_value = 32; | |
1105 | c->flags = 0; | |
1da177e4 | 1106 | break; |
6ec6e0ce DSL |
1107 | case V4L2_CID_AGC: |
1108 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1109 | strcpy(c->name, "Agc"); | |
1110 | c->minimum = 0; | |
1111 | c->maximum = 63; | |
1112 | c->step = 1; | |
1113 | c->default_value = 48; | |
1114 | c->flags = 0; | |
1115 | break; | |
1116 | case V4L2_CID_MEYE_SHARPNESS: | |
1117 | case V4L2_CID_SHARPNESS: | |
1118 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1119 | strcpy(c->name, "Sharpness"); | |
1120 | c->minimum = 0; | |
1121 | c->maximum = 63; | |
1122 | c->step = 1; | |
1123 | c->default_value = 32; | |
1124 | ||
1125 | /* Continue to report legacy private SHARPNESS ctrl but | |
1126 | * say it is disabled in preference to ctrl in the spec | |
1127 | */ | |
1128 | c->flags = (c->id == V4L2_CID_SHARPNESS) ? 0 : | |
1129 | V4L2_CTRL_FLAG_DISABLED; | |
1130 | break; | |
1131 | case V4L2_CID_PICTURE: | |
1132 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1133 | strcpy(c->name, "Picture"); | |
1134 | c->minimum = 0; | |
1135 | c->maximum = 63; | |
1136 | c->step = 1; | |
1137 | c->default_value = 0; | |
1138 | c->flags = 0; | |
1139 | break; | |
1140 | case V4L2_CID_JPEGQUAL: | |
1141 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1142 | strcpy(c->name, "JPEG quality"); | |
1143 | c->minimum = 0; | |
1144 | c->maximum = 10; | |
1145 | c->step = 1; | |
1146 | c->default_value = 8; | |
1147 | c->flags = 0; | |
1148 | break; | |
1149 | case V4L2_CID_FRAMERATE: | |
1150 | c->type = V4L2_CTRL_TYPE_INTEGER; | |
1151 | strcpy(c->name, "Framerate"); | |
1152 | c->minimum = 0; | |
1153 | c->maximum = 31; | |
1154 | c->step = 1; | |
1155 | c->default_value = 0; | |
1156 | c->flags = 0; | |
1157 | break; | |
1158 | default: | |
1159 | return -EINVAL; | |
1da177e4 LT |
1160 | } |
1161 | ||
6ec6e0ce DSL |
1162 | return 0; |
1163 | } | |
1da177e4 | 1164 | |
6ec6e0ce DSL |
1165 | static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1166 | { | |
1167 | mutex_lock(&meye.lock); | |
1168 | switch (c->id) { | |
1169 | case V4L2_CID_BRIGHTNESS: | |
1170 | sony_pic_camera_command( | |
1171 | SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, c->value); | |
51270617 | 1172 | meye.brightness = c->value << 10; |
6ec6e0ce DSL |
1173 | break; |
1174 | case V4L2_CID_HUE: | |
1175 | sony_pic_camera_command( | |
1176 | SONY_PIC_COMMAND_SETCAMERAHUE, c->value); | |
51270617 | 1177 | meye.hue = c->value << 10; |
6ec6e0ce DSL |
1178 | break; |
1179 | case V4L2_CID_CONTRAST: | |
1180 | sony_pic_camera_command( | |
1181 | SONY_PIC_COMMAND_SETCAMERACONTRAST, c->value); | |
51270617 | 1182 | meye.contrast = c->value << 10; |
6ec6e0ce DSL |
1183 | break; |
1184 | case V4L2_CID_SATURATION: | |
1185 | sony_pic_camera_command( | |
1186 | SONY_PIC_COMMAND_SETCAMERACOLOR, c->value); | |
51270617 | 1187 | meye.colour = c->value << 10; |
6ec6e0ce DSL |
1188 | break; |
1189 | case V4L2_CID_AGC: | |
1190 | sony_pic_camera_command( | |
1191 | SONY_PIC_COMMAND_SETCAMERAAGC, c->value); | |
1192 | meye.params.agc = c->value; | |
1193 | break; | |
1194 | case V4L2_CID_SHARPNESS: | |
1195 | case V4L2_CID_MEYE_SHARPNESS: | |
1196 | sony_pic_camera_command( | |
1197 | SONY_PIC_COMMAND_SETCAMERASHARPNESS, c->value); | |
1198 | meye.params.sharpness = c->value; | |
1199 | break; | |
1200 | case V4L2_CID_PICTURE: | |
1201 | sony_pic_camera_command( | |
1202 | SONY_PIC_COMMAND_SETCAMERAPICTURE, c->value); | |
1203 | meye.params.picture = c->value; | |
1204 | break; | |
1205 | case V4L2_CID_JPEGQUAL: | |
1206 | meye.params.quality = c->value; | |
1da177e4 | 1207 | break; |
6ec6e0ce DSL |
1208 | case V4L2_CID_FRAMERATE: |
1209 | meye.params.framerate = c->value; | |
1210 | break; | |
1211 | default: | |
1212 | mutex_unlock(&meye.lock); | |
1213 | return -EINVAL; | |
1da177e4 | 1214 | } |
6ec6e0ce | 1215 | mutex_unlock(&meye.lock); |
1da177e4 | 1216 | |
6ec6e0ce DSL |
1217 | return 0; |
1218 | } | |
1da177e4 | 1219 | |
6ec6e0ce DSL |
1220 | static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) |
1221 | { | |
1222 | mutex_lock(&meye.lock); | |
1223 | switch (c->id) { | |
1224 | case V4L2_CID_BRIGHTNESS: | |
51270617 | 1225 | c->value = meye.brightness >> 10; |
6ec6e0ce DSL |
1226 | break; |
1227 | case V4L2_CID_HUE: | |
51270617 | 1228 | c->value = meye.hue >> 10; |
6ec6e0ce DSL |
1229 | break; |
1230 | case V4L2_CID_CONTRAST: | |
51270617 | 1231 | c->value = meye.contrast >> 10; |
6ec6e0ce DSL |
1232 | break; |
1233 | case V4L2_CID_SATURATION: | |
51270617 | 1234 | c->value = meye.colour >> 10; |
6ec6e0ce DSL |
1235 | break; |
1236 | case V4L2_CID_AGC: | |
1237 | c->value = meye.params.agc; | |
1da177e4 | 1238 | break; |
6ec6e0ce DSL |
1239 | case V4L2_CID_SHARPNESS: |
1240 | case V4L2_CID_MEYE_SHARPNESS: | |
1241 | c->value = meye.params.sharpness; | |
1242 | break; | |
1243 | case V4L2_CID_PICTURE: | |
1244 | c->value = meye.params.picture; | |
1245 | break; | |
1246 | case V4L2_CID_JPEGQUAL: | |
1247 | c->value = meye.params.quality; | |
1248 | break; | |
1249 | case V4L2_CID_FRAMERATE: | |
1250 | c->value = meye.params.framerate; | |
1251 | break; | |
1252 | default: | |
1253 | mutex_unlock(&meye.lock); | |
1254 | return -EINVAL; | |
1da177e4 | 1255 | } |
6ec6e0ce DSL |
1256 | mutex_unlock(&meye.lock); |
1257 | ||
1258 | return 0; | |
1259 | } | |
1da177e4 | 1260 | |
78b526a4 | 1261 | static int vidioc_enum_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1262 | struct v4l2_fmtdesc *f) |
1263 | { | |
1264 | if (f->index > 1) | |
1265 | return -EINVAL; | |
1da177e4 | 1266 | |
6ec6e0ce DSL |
1267 | if (f->index == 0) { |
1268 | /* standard YUV 422 capture */ | |
6ec6e0ce DSL |
1269 | f->flags = 0; |
1270 | strcpy(f->description, "YUV422"); | |
1271 | f->pixelformat = V4L2_PIX_FMT_YUYV; | |
1272 | } else { | |
1273 | /* compressed MJPEG capture */ | |
6ec6e0ce DSL |
1274 | f->flags = V4L2_FMT_FLAG_COMPRESSED; |
1275 | strcpy(f->description, "MJPEG"); | |
1276 | f->pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1277 | } |
1278 | ||
6ec6e0ce DSL |
1279 | return 0; |
1280 | } | |
1da177e4 | 1281 | |
78b526a4 | 1282 | static int vidioc_try_fmt_vid_cap(struct file *file, void *fh, |
6ec6e0ce DSL |
1283 | struct v4l2_format *f) |
1284 | { | |
6ec6e0ce DSL |
1285 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1286 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1287 | return -EINVAL; | |
1288 | ||
1289 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1290 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1291 | return -EINVAL; | |
1292 | ||
1293 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1294 | ||
1295 | if (f->fmt.pix.width <= 320) { | |
1296 | f->fmt.pix.width = 320; | |
1297 | f->fmt.pix.height = 240; | |
1298 | } else { | |
1299 | f->fmt.pix.width = 640; | |
1300 | f->fmt.pix.height = 480; | |
1da177e4 LT |
1301 | } |
1302 | ||
6ec6e0ce DSL |
1303 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; |
1304 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1305 | f->fmt.pix.bytesperline; | |
1306 | f->fmt.pix.colorspace = 0; | |
1307 | f->fmt.pix.priv = 0; | |
1da177e4 | 1308 | |
6ec6e0ce DSL |
1309 | return 0; |
1310 | } | |
1311 | ||
78b526a4 HV |
1312 | static int vidioc_g_fmt_vid_cap(struct file *file, void *fh, |
1313 | struct v4l2_format *f) | |
6ec6e0ce | 1314 | { |
6ec6e0ce DSL |
1315 | switch (meye.mchip_mode) { |
1316 | case MCHIP_HIC_MODE_CONT_OUT: | |
1317 | default: | |
1318 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_YUYV; | |
1319 | break; | |
1320 | case MCHIP_HIC_MODE_CONT_COMP: | |
1321 | f->fmt.pix.pixelformat = V4L2_PIX_FMT_MJPEG; | |
1da177e4 LT |
1322 | break; |
1323 | } | |
1324 | ||
6ec6e0ce DSL |
1325 | f->fmt.pix.field = V4L2_FIELD_NONE; |
1326 | f->fmt.pix.width = mchip_hsize(); | |
1327 | f->fmt.pix.height = mchip_vsize(); | |
1328 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1329 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1330 | f->fmt.pix.bytesperline; | |
6ec6e0ce DSL |
1331 | |
1332 | return 0; | |
1333 | } | |
1334 | ||
78b526a4 HV |
1335 | static int vidioc_s_fmt_vid_cap(struct file *file, void *fh, |
1336 | struct v4l2_format *f) | |
6ec6e0ce | 1337 | { |
6ec6e0ce DSL |
1338 | if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_YUYV && |
1339 | f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG) | |
1340 | return -EINVAL; | |
1341 | ||
1342 | if (f->fmt.pix.field != V4L2_FIELD_ANY && | |
1343 | f->fmt.pix.field != V4L2_FIELD_NONE) | |
1344 | return -EINVAL; | |
1345 | ||
1346 | f->fmt.pix.field = V4L2_FIELD_NONE; | |
1347 | mutex_lock(&meye.lock); | |
1348 | ||
1349 | if (f->fmt.pix.width <= 320) { | |
1350 | f->fmt.pix.width = 320; | |
1351 | f->fmt.pix.height = 240; | |
1352 | meye.params.subsample = 1; | |
1353 | } else { | |
1354 | f->fmt.pix.width = 640; | |
1355 | f->fmt.pix.height = 480; | |
1356 | meye.params.subsample = 0; | |
1da177e4 LT |
1357 | } |
1358 | ||
6ec6e0ce DSL |
1359 | switch (f->fmt.pix.pixelformat) { |
1360 | case V4L2_PIX_FMT_YUYV: | |
1361 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_OUT; | |
1362 | break; | |
1363 | case V4L2_PIX_FMT_MJPEG: | |
1364 | meye.mchip_mode = MCHIP_HIC_MODE_CONT_COMP; | |
1da177e4 LT |
1365 | break; |
1366 | } | |
1367 | ||
6ec6e0ce DSL |
1368 | mutex_unlock(&meye.lock); |
1369 | f->fmt.pix.bytesperline = f->fmt.pix.width * 2; | |
1370 | f->fmt.pix.sizeimage = f->fmt.pix.height * | |
1371 | f->fmt.pix.bytesperline; | |
1372 | f->fmt.pix.colorspace = 0; | |
1373 | f->fmt.pix.priv = 0; | |
1da177e4 | 1374 | |
6ec6e0ce DSL |
1375 | return 0; |
1376 | } | |
1da177e4 | 1377 | |
6ec6e0ce DSL |
1378 | static int vidioc_reqbufs(struct file *file, void *fh, |
1379 | struct v4l2_requestbuffers *req) | |
1380 | { | |
1381 | int i; | |
1da177e4 | 1382 | |
6ec6e0ce DSL |
1383 | if (req->memory != V4L2_MEMORY_MMAP) |
1384 | return -EINVAL; | |
1da177e4 | 1385 | |
6ec6e0ce DSL |
1386 | if (meye.grab_fbuffer && req->count == gbuffers) { |
1387 | /* already allocated, no modifications */ | |
1388 | return 0; | |
1da177e4 LT |
1389 | } |
1390 | ||
6ec6e0ce DSL |
1391 | mutex_lock(&meye.lock); |
1392 | if (meye.grab_fbuffer) { | |
1393 | for (i = 0; i < gbuffers; i++) | |
1394 | if (meye.vma_use_count[i]) { | |
1395 | mutex_unlock(&meye.lock); | |
1396 | return -EINVAL; | |
1397 | } | |
1398 | rvfree(meye.grab_fbuffer, gbuffers * gbufsize); | |
1399 | meye.grab_fbuffer = NULL; | |
1da177e4 LT |
1400 | } |
1401 | ||
6ec6e0ce DSL |
1402 | gbuffers = max(2, min((int)req->count, MEYE_MAX_BUFNBRS)); |
1403 | req->count = gbuffers; | |
1404 | meye.grab_fbuffer = rvmalloc(gbuffers * gbufsize); | |
1405 | ||
1406 | if (!meye.grab_fbuffer) { | |
1407 | printk(KERN_ERR "meye: v4l framebuffer allocation" | |
1408 | " failed\n"); | |
3593cab5 | 1409 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1410 | return -ENOMEM; |
1da177e4 LT |
1411 | } |
1412 | ||
6ec6e0ce DSL |
1413 | for (i = 0; i < gbuffers; i++) |
1414 | meye.vma_use_count[i] = 0; | |
1da177e4 | 1415 | |
6ec6e0ce | 1416 | mutex_unlock(&meye.lock); |
1da177e4 | 1417 | |
6ec6e0ce DSL |
1418 | return 0; |
1419 | } | |
1420 | ||
1421 | static int vidioc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1422 | { | |
6174523c | 1423 | unsigned int index = buf->index; |
6ec6e0ce | 1424 | |
6174523c | 1425 | if (index >= gbuffers) |
6ec6e0ce DSL |
1426 | return -EINVAL; |
1427 | ||
6ec6e0ce DSL |
1428 | buf->bytesused = meye.grab_buffer[index].size; |
1429 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1430 | ||
1431 | if (meye.grab_buffer[index].state == MEYE_BUF_USING) | |
1432 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1433 | ||
1434 | if (meye.grab_buffer[index].state == MEYE_BUF_DONE) | |
1435 | buf->flags |= V4L2_BUF_FLAG_DONE; | |
1436 | ||
1437 | buf->field = V4L2_FIELD_NONE; | |
1438 | buf->timestamp = meye.grab_buffer[index].timestamp; | |
1439 | buf->sequence = meye.grab_buffer[index].sequence; | |
1440 | buf->memory = V4L2_MEMORY_MMAP; | |
1441 | buf->m.offset = index * gbufsize; | |
1442 | buf->length = gbufsize; | |
1443 | ||
1444 | return 0; | |
1445 | } | |
1446 | ||
1447 | static int vidioc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1448 | { | |
6ec6e0ce DSL |
1449 | if (buf->memory != V4L2_MEMORY_MMAP) |
1450 | return -EINVAL; | |
1451 | ||
6174523c | 1452 | if (buf->index >= gbuffers) |
6ec6e0ce DSL |
1453 | return -EINVAL; |
1454 | ||
1455 | if (meye.grab_buffer[buf->index].state != MEYE_BUF_UNUSED) | |
1456 | return -EINVAL; | |
1457 | ||
1458 | mutex_lock(&meye.lock); | |
1459 | buf->flags |= V4L2_BUF_FLAG_QUEUED; | |
1460 | buf->flags &= ~V4L2_BUF_FLAG_DONE; | |
1461 | meye.grab_buffer[buf->index].state = MEYE_BUF_USING; | |
7acd72eb | 1462 | kfifo_in_locked(&meye.grabq, (unsigned char *)&buf->index, |
c1e13f25 | 1463 | sizeof(int), &meye.grabq_lock); |
6ec6e0ce DSL |
1464 | mutex_unlock(&meye.lock); |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
1469 | static int vidioc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) | |
1470 | { | |
1471 | int reqnr; | |
1472 | ||
6ec6e0ce DSL |
1473 | if (buf->memory != V4L2_MEMORY_MMAP) |
1474 | return -EINVAL; | |
1475 | ||
1476 | mutex_lock(&meye.lock); | |
1477 | ||
45465487 | 1478 | if (kfifo_len(&meye.doneq) == 0 && file->f_flags & O_NONBLOCK) { |
3593cab5 | 1479 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1480 | return -EAGAIN; |
1da177e4 LT |
1481 | } |
1482 | ||
6ec6e0ce | 1483 | if (wait_event_interruptible(meye.proc_list, |
45465487 | 1484 | kfifo_len(&meye.doneq) != 0) < 0) { |
3593cab5 | 1485 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1486 | return -EINTR; |
1da177e4 LT |
1487 | } |
1488 | ||
7acd72eb | 1489 | if (!kfifo_out_locked(&meye.doneq, (unsigned char *)&reqnr, |
c1e13f25 | 1490 | sizeof(int), &meye.doneq_lock)) { |
6ec6e0ce DSL |
1491 | mutex_unlock(&meye.lock); |
1492 | return -EBUSY; | |
1493 | } | |
1da177e4 | 1494 | |
6ec6e0ce | 1495 | if (meye.grab_buffer[reqnr].state != MEYE_BUF_DONE) { |
3593cab5 | 1496 | mutex_unlock(&meye.lock); |
6ec6e0ce | 1497 | return -EINVAL; |
1da177e4 LT |
1498 | } |
1499 | ||
6ec6e0ce DSL |
1500 | buf->index = reqnr; |
1501 | buf->bytesused = meye.grab_buffer[reqnr].size; | |
1502 | buf->flags = V4L2_BUF_FLAG_MAPPED; | |
1503 | buf->field = V4L2_FIELD_NONE; | |
1504 | buf->timestamp = meye.grab_buffer[reqnr].timestamp; | |
1505 | buf->sequence = meye.grab_buffer[reqnr].sequence; | |
1506 | buf->memory = V4L2_MEMORY_MMAP; | |
1507 | buf->m.offset = reqnr * gbufsize; | |
1508 | buf->length = gbufsize; | |
1509 | meye.grab_buffer[reqnr].state = MEYE_BUF_UNUSED; | |
1510 | mutex_unlock(&meye.lock); | |
1511 | ||
1512 | return 0; | |
1513 | } | |
1da177e4 | 1514 | |
6ec6e0ce DSL |
1515 | static int vidioc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) |
1516 | { | |
1517 | mutex_lock(&meye.lock); | |
1518 | ||
1519 | switch (meye.mchip_mode) { | |
1520 | case MCHIP_HIC_MODE_CONT_OUT: | |
1521 | mchip_continuous_start(); | |
1522 | break; | |
1523 | case MCHIP_HIC_MODE_CONT_COMP: | |
1524 | mchip_cont_compression_start(); | |
1525 | break; | |
1da177e4 | 1526 | default: |
6ec6e0ce DSL |
1527 | mutex_unlock(&meye.lock); |
1528 | return -EINVAL; | |
1da177e4 LT |
1529 | } |
1530 | ||
6ec6e0ce DSL |
1531 | mutex_unlock(&meye.lock); |
1532 | ||
1da177e4 LT |
1533 | return 0; |
1534 | } | |
1535 | ||
6ec6e0ce | 1536 | static int vidioc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) |
1da177e4 | 1537 | { |
6ec6e0ce DSL |
1538 | mutex_lock(&meye.lock); |
1539 | mchip_hic_stop(); | |
45465487 SS |
1540 | kfifo_reset(&meye.grabq); |
1541 | kfifo_reset(&meye.doneq); | |
6ec6e0ce DSL |
1542 | |
1543 | for (i = 0; i < MEYE_MAX_BUFNBRS; i++) | |
1544 | meye.grab_buffer[i].state = MEYE_BUF_UNUSED; | |
1545 | ||
1546 | mutex_unlock(&meye.lock); | |
1547 | return 0; | |
1548 | } | |
1549 | ||
99cd47bc HV |
1550 | static long vidioc_default(struct file *file, void *fh, bool valid_prio, |
1551 | int cmd, void *arg) | |
6ec6e0ce DSL |
1552 | { |
1553 | switch (cmd) { | |
1554 | case MEYEIOC_G_PARAMS: | |
1555 | return meyeioc_g_params((struct meye_params *) arg); | |
1556 | ||
1557 | case MEYEIOC_S_PARAMS: | |
1558 | return meyeioc_s_params((struct meye_params *) arg); | |
1559 | ||
1560 | case MEYEIOC_QBUF_CAPT: | |
1561 | return meyeioc_qbuf_capt((int *) arg); | |
1562 | ||
1563 | case MEYEIOC_SYNC: | |
1564 | return meyeioc_sync(file, fh, (int *) arg); | |
1565 | ||
1566 | case MEYEIOC_STILLCAPT: | |
1567 | return meyeioc_stillcapt(); | |
1568 | ||
1569 | case MEYEIOC_STILLJCAPT: | |
1570 | return meyeioc_stilljcapt((int *) arg); | |
1571 | ||
1572 | default: | |
d1c754a9 | 1573 | return -ENOTTY; |
6ec6e0ce DSL |
1574 | } |
1575 | ||
1da177e4 LT |
1576 | } |
1577 | ||
1578 | static unsigned int meye_poll(struct file *file, poll_table *wait) | |
1579 | { | |
1580 | unsigned int res = 0; | |
1581 | ||
3593cab5 | 1582 | mutex_lock(&meye.lock); |
1da177e4 | 1583 | poll_wait(file, &meye.proc_list, wait); |
45465487 | 1584 | if (kfifo_len(&meye.doneq)) |
1da177e4 | 1585 | res = POLLIN | POLLRDNORM; |
3593cab5 | 1586 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1587 | return res; |
1588 | } | |
1589 | ||
1590 | static void meye_vm_open(struct vm_area_struct *vma) | |
1591 | { | |
d6144028 | 1592 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1593 | meye.vma_use_count[idx]++; |
1594 | } | |
1595 | ||
1596 | static void meye_vm_close(struct vm_area_struct *vma) | |
1597 | { | |
d6144028 | 1598 | long idx = (long)vma->vm_private_data; |
1da177e4 LT |
1599 | meye.vma_use_count[idx]--; |
1600 | } | |
1601 | ||
f0f37e2f | 1602 | static const struct vm_operations_struct meye_vm_ops = { |
1da177e4 LT |
1603 | .open = meye_vm_open, |
1604 | .close = meye_vm_close, | |
1605 | }; | |
1606 | ||
1607 | static int meye_mmap(struct file *file, struct vm_area_struct *vma) | |
1608 | { | |
1609 | unsigned long start = vma->vm_start; | |
1610 | unsigned long size = vma->vm_end - vma->vm_start; | |
1611 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; | |
1612 | unsigned long page, pos; | |
1613 | ||
3593cab5 | 1614 | mutex_lock(&meye.lock); |
1da177e4 | 1615 | if (size > gbuffers * gbufsize) { |
3593cab5 | 1616 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1617 | return -EINVAL; |
1618 | } | |
1619 | if (!meye.grab_fbuffer) { | |
1620 | int i; | |
1621 | ||
1622 | /* lazy allocation */ | |
1623 | meye.grab_fbuffer = rvmalloc(gbuffers*gbufsize); | |
1624 | if (!meye.grab_fbuffer) { | |
1625 | printk(KERN_ERR "meye: v4l framebuffer allocation failed\n"); | |
3593cab5 | 1626 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1627 | return -ENOMEM; |
1628 | } | |
1629 | for (i = 0; i < gbuffers; i++) | |
1630 | meye.vma_use_count[i] = 0; | |
1631 | } | |
1632 | pos = (unsigned long)meye.grab_fbuffer + offset; | |
1633 | ||
1634 | while (size > 0) { | |
1635 | page = vmalloc_to_pfn((void *)pos); | |
1636 | if (remap_pfn_range(vma, start, page, PAGE_SIZE, PAGE_SHARED)) { | |
3593cab5 | 1637 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1638 | return -EAGAIN; |
1639 | } | |
1640 | start += PAGE_SIZE; | |
1641 | pos += PAGE_SIZE; | |
1642 | if (size > PAGE_SIZE) | |
1643 | size -= PAGE_SIZE; | |
1644 | else | |
1645 | size = 0; | |
1646 | } | |
1647 | ||
1648 | vma->vm_ops = &meye_vm_ops; | |
1649 | vma->vm_flags &= ~VM_IO; /* not I/O memory */ | |
1650 | vma->vm_flags |= VM_RESERVED; /* avoid to swap out this VMA */ | |
1651 | vma->vm_private_data = (void *) (offset / gbufsize); | |
1652 | meye_vm_open(vma); | |
1653 | ||
3593cab5 | 1654 | mutex_unlock(&meye.lock); |
1da177e4 LT |
1655 | return 0; |
1656 | } | |
1657 | ||
bec43661 | 1658 | static const struct v4l2_file_operations meye_fops = { |
1da177e4 LT |
1659 | .owner = THIS_MODULE, |
1660 | .open = meye_open, | |
1661 | .release = meye_release, | |
1662 | .mmap = meye_mmap, | |
61df3c9b | 1663 | .unlocked_ioctl = video_ioctl2, |
1da177e4 | 1664 | .poll = meye_poll, |
1da177e4 LT |
1665 | }; |
1666 | ||
a399810c | 1667 | static const struct v4l2_ioctl_ops meye_ioctl_ops = { |
6ec6e0ce DSL |
1668 | .vidioc_querycap = vidioc_querycap, |
1669 | .vidioc_enum_input = vidioc_enum_input, | |
1670 | .vidioc_g_input = vidioc_g_input, | |
1671 | .vidioc_s_input = vidioc_s_input, | |
1672 | .vidioc_queryctrl = vidioc_queryctrl, | |
1673 | .vidioc_s_ctrl = vidioc_s_ctrl, | |
1674 | .vidioc_g_ctrl = vidioc_g_ctrl, | |
78b526a4 HV |
1675 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
1676 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, | |
1677 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, | |
1678 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, | |
6ec6e0ce DSL |
1679 | .vidioc_reqbufs = vidioc_reqbufs, |
1680 | .vidioc_querybuf = vidioc_querybuf, | |
1681 | .vidioc_qbuf = vidioc_qbuf, | |
1682 | .vidioc_dqbuf = vidioc_dqbuf, | |
1683 | .vidioc_streamon = vidioc_streamon, | |
1684 | .vidioc_streamoff = vidioc_streamoff, | |
1685 | .vidioc_default = vidioc_default, | |
1da177e4 LT |
1686 | }; |
1687 | ||
a399810c | 1688 | static struct video_device meye_template = { |
a399810c | 1689 | .name = "meye", |
a399810c HV |
1690 | .fops = &meye_fops, |
1691 | .ioctl_ops = &meye_ioctl_ops, | |
1692 | .release = video_device_release, | |
a399810c HV |
1693 | }; |
1694 | ||
1da177e4 | 1695 | #ifdef CONFIG_PM |
a2910689 | 1696 | static int meye_suspend(struct pci_dev *pdev, pm_message_t state) |
1da177e4 LT |
1697 | { |
1698 | pci_save_state(pdev); | |
1699 | meye.pm_mchip_mode = meye.mchip_mode; | |
1700 | mchip_hic_stop(); | |
1701 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1702 | return 0; | |
1703 | } | |
1704 | ||
1705 | static int meye_resume(struct pci_dev *pdev) | |
1706 | { | |
1707 | pci_restore_state(pdev); | |
1708 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1709 | ||
1710 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1711 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1712 | msleep(1); | |
1713 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1714 | msleep(1); | |
1715 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1716 | msleep(1); | |
1717 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1718 | ||
1719 | switch (meye.pm_mchip_mode) { | |
1720 | case MCHIP_HIC_MODE_CONT_OUT: | |
1721 | mchip_continuous_start(); | |
1722 | break; | |
1723 | case MCHIP_HIC_MODE_CONT_COMP: | |
1724 | mchip_cont_compression_start(); | |
1725 | break; | |
1726 | } | |
1727 | return 0; | |
1728 | } | |
1729 | #endif | |
1730 | ||
1731 | static int __devinit meye_probe(struct pci_dev *pcidev, | |
1732 | const struct pci_device_id *ent) | |
1733 | { | |
51270617 | 1734 | struct v4l2_device *v4l2_dev = &meye.v4l2_dev; |
1da177e4 LT |
1735 | int ret = -EBUSY; |
1736 | unsigned long mchip_adr; | |
1da177e4 LT |
1737 | |
1738 | if (meye.mchip_dev != NULL) { | |
1739 | printk(KERN_ERR "meye: only one device allowed!\n"); | |
1740 | goto outnotdev; | |
1741 | } | |
1742 | ||
51270617 HV |
1743 | ret = v4l2_device_register(&pcidev->dev, v4l2_dev); |
1744 | if (ret < 0) { | |
1745 | v4l2_err(v4l2_dev, "Could not register v4l2_device\n"); | |
1746 | return ret; | |
1747 | } | |
ef0e3c26 | 1748 | ret = -ENOMEM; |
1da177e4 | 1749 | meye.mchip_dev = pcidev; |
51270617 HV |
1750 | meye.vdev = video_device_alloc(); |
1751 | if (!meye.vdev) { | |
1752 | v4l2_err(v4l2_dev, "video_device_alloc() failed!\n"); | |
1da177e4 LT |
1753 | goto outnotdev; |
1754 | } | |
1755 | ||
1da177e4 LT |
1756 | meye.grab_temp = vmalloc(MCHIP_NB_PAGES_MJPEG * PAGE_SIZE); |
1757 | if (!meye.grab_temp) { | |
51270617 | 1758 | v4l2_err(v4l2_dev, "grab buffer allocation failed\n"); |
1da177e4 LT |
1759 | goto outvmalloc; |
1760 | } | |
1761 | ||
1762 | spin_lock_init(&meye.grabq_lock); | |
c1e13f25 SS |
1763 | if (kfifo_alloc(&meye.grabq, sizeof(int) * MEYE_MAX_BUFNBRS, |
1764 | GFP_KERNEL)) { | |
51270617 | 1765 | v4l2_err(v4l2_dev, "fifo allocation failed\n"); |
1da177e4 LT |
1766 | goto outkfifoalloc1; |
1767 | } | |
1768 | spin_lock_init(&meye.doneq_lock); | |
c1e13f25 SS |
1769 | if (kfifo_alloc(&meye.doneq, sizeof(int) * MEYE_MAX_BUFNBRS, |
1770 | GFP_KERNEL)) { | |
51270617 | 1771 | v4l2_err(v4l2_dev, "fifo allocation failed\n"); |
1da177e4 LT |
1772 | goto outkfifoalloc2; |
1773 | } | |
1774 | ||
51270617 HV |
1775 | memcpy(meye.vdev, &meye_template, sizeof(meye_template)); |
1776 | meye.vdev->v4l2_dev = &meye.v4l2_dev; | |
1da177e4 | 1777 | |
5b5aff83 | 1778 | ret = -EIO; |
cbefb762 | 1779 | if ((ret = sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 1))) { |
51270617 HV |
1780 | v4l2_err(v4l2_dev, "meye: unable to power on the camera\n"); |
1781 | v4l2_err(v4l2_dev, "meye: did you enable the camera in " | |
1da177e4 LT |
1782 | "sonypi using the module options ?\n"); |
1783 | goto outsonypienable; | |
1784 | } | |
1785 | ||
1da177e4 | 1786 | if ((ret = pci_enable_device(meye.mchip_dev))) { |
51270617 | 1787 | v4l2_err(v4l2_dev, "meye: pci_enable_device failed\n"); |
1da177e4 LT |
1788 | goto outenabledev; |
1789 | } | |
1790 | ||
1791 | mchip_adr = pci_resource_start(meye.mchip_dev,0); | |
1792 | if (!mchip_adr) { | |
51270617 | 1793 | v4l2_err(v4l2_dev, "meye: mchip has no device base address\n"); |
1da177e4 LT |
1794 | goto outregions; |
1795 | } | |
1796 | if (!request_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1797 | pci_resource_len(meye.mchip_dev, 0), | |
1798 | "meye")) { | |
51270617 | 1799 | v4l2_err(v4l2_dev, "meye: request_mem_region failed\n"); |
1da177e4 LT |
1800 | goto outregions; |
1801 | } | |
1802 | meye.mchip_mmregs = ioremap(mchip_adr, MCHIP_MM_REGS); | |
1803 | if (!meye.mchip_mmregs) { | |
51270617 | 1804 | v4l2_err(v4l2_dev, "meye: ioremap failed\n"); |
1da177e4 LT |
1805 | goto outremap; |
1806 | } | |
1807 | ||
1808 | meye.mchip_irq = pcidev->irq; | |
1809 | if (request_irq(meye.mchip_irq, meye_irq, | |
8076fe32 | 1810 | IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) { |
51270617 | 1811 | v4l2_err(v4l2_dev, "request_irq failed\n"); |
1da177e4 LT |
1812 | goto outreqirq; |
1813 | } | |
1814 | ||
1da177e4 LT |
1815 | pci_write_config_byte(meye.mchip_dev, PCI_CACHE_LINE_SIZE, 8); |
1816 | pci_write_config_byte(meye.mchip_dev, PCI_LATENCY_TIMER, 64); | |
1817 | ||
1818 | pci_set_master(meye.mchip_dev); | |
1819 | ||
1820 | /* Ask the camera to perform a soft reset. */ | |
1821 | pci_write_config_word(meye.mchip_dev, MCHIP_PCI_SOFTRESET_SET, 1); | |
1822 | ||
1823 | mchip_delay(MCHIP_HIC_CMD, 0); | |
1824 | mchip_delay(MCHIP_HIC_STATUS, MCHIP_HIC_STATUS_IDLE); | |
1825 | ||
1826 | msleep(1); | |
1827 | mchip_set(MCHIP_VRJ_SOFT_RESET, 1); | |
1828 | ||
1829 | msleep(1); | |
1830 | mchip_set(MCHIP_MM_PCI_MODE, 5); | |
1831 | ||
1832 | msleep(1); | |
1833 | mchip_set(MCHIP_MM_INTA, MCHIP_MM_INTA_HIC_1_MASK); | |
1834 | ||
3593cab5 | 1835 | mutex_init(&meye.lock); |
1da177e4 | 1836 | init_waitqueue_head(&meye.proc_list); |
51270617 HV |
1837 | meye.brightness = 32 << 10; |
1838 | meye.hue = 32 << 10; | |
1839 | meye.colour = 32 << 10; | |
1840 | meye.contrast = 32 << 10; | |
1da177e4 LT |
1841 | meye.params.subsample = 0; |
1842 | meye.params.quality = 8; | |
1843 | meye.params.sharpness = 32; | |
1844 | meye.params.agc = 48; | |
1845 | meye.params.picture = 0; | |
1846 | meye.params.framerate = 0; | |
1847 | ||
cbefb762 | 1848 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERABRIGHTNESS, 32); |
1849 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAHUE, 32); | |
1850 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACOLOR, 32); | |
1851 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERACONTRAST, 32); | |
1852 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERASHARPNESS, 32); | |
1853 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAPICTURE, 0); | |
1854 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERAAGC, 48); | |
1da177e4 | 1855 | |
61df3c9b HV |
1856 | if (video_register_device(meye.vdev, VFL_TYPE_GRABBER, |
1857 | video_nr) < 0) { | |
1858 | v4l2_err(v4l2_dev, "video_register_device failed\n"); | |
1859 | goto outvideoreg; | |
1860 | } | |
1861 | ||
51270617 | 1862 | v4l2_info(v4l2_dev, "Motion Eye Camera Driver v%s.\n", |
1da177e4 | 1863 | MEYE_DRIVER_VERSION); |
51270617 | 1864 | v4l2_info(v4l2_dev, "mchip KL5A72002 rev. %d, base %lx, irq %d\n", |
44c10138 | 1865 | meye.mchip_dev->revision, mchip_adr, meye.mchip_irq); |
1da177e4 LT |
1866 | |
1867 | return 0; | |
1868 | ||
1869 | outvideoreg: | |
1870 | free_irq(meye.mchip_irq, meye_irq); | |
1871 | outreqirq: | |
1872 | iounmap(meye.mchip_mmregs); | |
1873 | outremap: | |
1874 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1875 | pci_resource_len(meye.mchip_dev, 0)); | |
1876 | outregions: | |
1877 | pci_disable_device(meye.mchip_dev); | |
1878 | outenabledev: | |
cbefb762 | 1879 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 | 1880 | outsonypienable: |
45465487 | 1881 | kfifo_free(&meye.doneq); |
1da177e4 | 1882 | outkfifoalloc2: |
45465487 | 1883 | kfifo_free(&meye.grabq); |
1da177e4 LT |
1884 | outkfifoalloc1: |
1885 | vfree(meye.grab_temp); | |
1886 | outvmalloc: | |
51270617 | 1887 | video_device_release(meye.vdev); |
1da177e4 LT |
1888 | outnotdev: |
1889 | return ret; | |
1890 | } | |
1891 | ||
1892 | static void __devexit meye_remove(struct pci_dev *pcidev) | |
1893 | { | |
51270617 | 1894 | video_unregister_device(meye.vdev); |
1da177e4 LT |
1895 | |
1896 | mchip_hic_stop(); | |
1897 | ||
1898 | mchip_dma_free(); | |
1899 | ||
1900 | /* disable interrupts */ | |
1901 | mchip_set(MCHIP_MM_INTA, 0x0); | |
1902 | ||
1903 | free_irq(meye.mchip_irq, meye_irq); | |
1904 | ||
1905 | iounmap(meye.mchip_mmregs); | |
1906 | ||
1907 | release_mem_region(pci_resource_start(meye.mchip_dev, 0), | |
1908 | pci_resource_len(meye.mchip_dev, 0)); | |
1909 | ||
1910 | pci_disable_device(meye.mchip_dev); | |
1911 | ||
cbefb762 | 1912 | sony_pic_camera_command(SONY_PIC_COMMAND_SETCAMERA, 0); |
1da177e4 | 1913 | |
45465487 SS |
1914 | kfifo_free(&meye.doneq); |
1915 | kfifo_free(&meye.grabq); | |
1da177e4 LT |
1916 | |
1917 | vfree(meye.grab_temp); | |
1918 | ||
1919 | if (meye.grab_fbuffer) { | |
1920 | rvfree(meye.grab_fbuffer, gbuffers*gbufsize); | |
1921 | meye.grab_fbuffer = NULL; | |
1922 | } | |
1923 | ||
1924 | printk(KERN_INFO "meye: removed\n"); | |
1925 | } | |
1926 | ||
1927 | static struct pci_device_id meye_pci_tbl[] = { | |
76e9741d | 1928 | { PCI_VDEVICE(KAWASAKI, PCI_DEVICE_ID_MCHIP_KL5A72002), 0 }, |
1da177e4 LT |
1929 | { } |
1930 | }; | |
1931 | ||
1932 | MODULE_DEVICE_TABLE(pci, meye_pci_tbl); | |
1933 | ||
1934 | static struct pci_driver meye_driver = { | |
1935 | .name = "meye", | |
1936 | .id_table = meye_pci_tbl, | |
1937 | .probe = meye_probe, | |
1938 | .remove = __devexit_p(meye_remove), | |
1939 | #ifdef CONFIG_PM | |
1940 | .suspend = meye_suspend, | |
1941 | .resume = meye_resume, | |
1942 | #endif | |
1943 | }; | |
1944 | ||
1945 | static int __init meye_init(void) | |
1946 | { | |
1947 | gbuffers = max(2, min((int)gbuffers, MEYE_MAX_BUFNBRS)); | |
1948 | if (gbufsize < 0 || gbufsize > MEYE_MAX_BUFSIZE) | |
1949 | gbufsize = MEYE_MAX_BUFSIZE; | |
1950 | gbufsize = PAGE_ALIGN(gbufsize); | |
ac9bb7f5 | 1951 | printk(KERN_INFO "meye: using %d buffers with %dk (%dk total) " |
1da177e4 LT |
1952 | "for capture\n", |
1953 | gbuffers, | |
1954 | gbufsize / 1024, gbuffers * gbufsize / 1024); | |
1955 | return pci_register_driver(&meye_driver); | |
1956 | } | |
1957 | ||
1958 | static void __exit meye_exit(void) | |
1959 | { | |
1960 | pci_unregister_driver(&meye_driver); | |
1961 | } | |
1962 | ||
1963 | module_init(meye_init); | |
1964 | module_exit(meye_exit); |