Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 Bluecherry, LLC www.bluecherrydvr.com |
| 3 | * Copyright (C) 2010 Ben Collins <bcollins@bluecherry.net> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License |
| 16 | * along with this program; if not, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/kernel.h> |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/kthread.h> |
| 23 | #include <linux/freezer.h> |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 24 | #include <media/v4l2-ioctl.h> |
| 25 | #include <media/v4l2-common.h> |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 26 | #include <media/videobuf-dma-sg.h> |
Krzysztof Hałasa | ae69b22 | 2011-02-11 13:36:27 +0100 | [diff] [blame] | 27 | #include "solo6x10.h" |
| 28 | #include "tw28.h" |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 29 | |
| 30 | #define SOLO_HW_BPL 2048 |
| 31 | #define SOLO_DISP_PIX_FIELD V4L2_FIELD_INTERLACED |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 32 | |
| 33 | /* Image size is two fields, SOLO_HW_BPL is one horizontal line */ |
| 34 | #define solo_vlines(__solo) (__solo->video_vsize * 2) |
| 35 | #define solo_image_size(__solo) (solo_bytesperline(__solo) * \ |
| 36 | solo_vlines(__solo)) |
| 37 | #define solo_bytesperline(__solo) (__solo->video_hsize * 2) |
| 38 | |
| 39 | #define MIN_VID_BUFFERS 4 |
| 40 | |
| 41 | /* Simple file handle */ |
| 42 | struct solo_filehandle { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 43 | struct solo_dev *solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 44 | struct videobuf_queue vidq; |
| 45 | struct task_struct *kthread; |
| 46 | spinlock_t slock; |
| 47 | int old_write; |
| 48 | struct list_head vidq_active; |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 49 | struct p2m_desc desc[SOLO_NR_P2M_DESC]; |
| 50 | int desc_idx; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | unsigned video_nr = -1; |
| 54 | module_param(video_nr, uint, 0644); |
| 55 | MODULE_PARM_DESC(video_nr, "videoX start number, -1 is autodetect (default)"); |
| 56 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 57 | static void erase_on(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 58 | { |
| 59 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON); |
| 60 | solo_dev->erasing = 1; |
| 61 | solo_dev->frame_blank = 0; |
| 62 | } |
| 63 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 64 | static int erase_off(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 65 | { |
| 66 | if (!solo_dev->erasing) |
| 67 | return 0; |
| 68 | |
| 69 | /* First time around, assert erase off */ |
| 70 | if (!solo_dev->frame_blank) |
| 71 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0); |
| 72 | /* Keep the erasing flag on for 8 frames minimum */ |
| 73 | if (solo_dev->frame_blank++ >= 8) |
| 74 | solo_dev->erasing = 0; |
| 75 | |
| 76 | return 1; |
| 77 | } |
| 78 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 79 | void solo_video_in_isr(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 80 | { |
| 81 | solo_reg_write(solo_dev, SOLO_IRQ_STAT, SOLO_IRQ_VIDEO_IN); |
| 82 | wake_up_interruptible(&solo_dev->disp_thread_wait); |
| 83 | } |
| 84 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 85 | static void solo_win_setup(struct solo_dev *solo_dev, u8 ch, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 86 | int sx, int sy, int ex, int ey, int scale) |
| 87 | { |
| 88 | if (ch >= solo_dev->nr_chans) |
| 89 | return; |
| 90 | |
| 91 | /* Here, we just keep window/channel the same */ |
| 92 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch), |
| 93 | SOLO_VI_WIN_CHANNEL(ch) | |
| 94 | SOLO_VI_WIN_SX(sx) | |
| 95 | SOLO_VI_WIN_EX(ex) | |
| 96 | SOLO_VI_WIN_SCALE(scale)); |
| 97 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 98 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch), |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 99 | SOLO_VI_WIN_SY(sy) | |
| 100 | SOLO_VI_WIN_EY(ey)); |
| 101 | } |
| 102 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 103 | static int solo_v4l2_ch_ext_4up(struct solo_dev *solo_dev, u8 idx, int on) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 104 | { |
| 105 | u8 ch = idx * 4; |
| 106 | |
| 107 | if (ch >= solo_dev->nr_chans) |
| 108 | return -EINVAL; |
| 109 | |
| 110 | if (!on) { |
| 111 | u8 i; |
| 112 | for (i = ch; i < ch + 4; i++) |
| 113 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, |
| 114 | solo_vlines(solo_dev), |
| 115 | solo_dev->video_hsize, |
| 116 | solo_vlines(solo_dev), 0); |
| 117 | return 0; |
| 118 | } |
| 119 | |
| 120 | /* Row 1 */ |
| 121 | solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2, |
| 122 | solo_vlines(solo_dev) / 2, 3); |
| 123 | solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0, |
| 124 | solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3); |
| 125 | /* Row 2 */ |
| 126 | solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2, |
| 127 | solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3); |
| 128 | solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2, |
| 129 | solo_vlines(solo_dev) / 2, solo_dev->video_hsize, |
| 130 | solo_vlines(solo_dev), 3); |
| 131 | |
| 132 | return 0; |
| 133 | } |
| 134 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 135 | static int solo_v4l2_ch_ext_16up(struct solo_dev *solo_dev, int on) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 136 | { |
| 137 | int sy, ysize, hsize, i; |
| 138 | |
| 139 | if (!on) { |
| 140 | for (i = 0; i < 16; i++) |
| 141 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, |
| 142 | solo_vlines(solo_dev), |
| 143 | solo_dev->video_hsize, |
| 144 | solo_vlines(solo_dev), 0); |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | ysize = solo_vlines(solo_dev) / 4; |
| 149 | hsize = solo_dev->video_hsize / 4; |
| 150 | |
| 151 | for (sy = 0, i = 0; i < 4; i++, sy += ysize) { |
| 152 | solo_win_setup(solo_dev, i * 4, 0, sy, hsize, |
| 153 | sy + ysize, 5); |
| 154 | solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy, |
| 155 | hsize * 2, sy + ysize, 5); |
| 156 | solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy, |
| 157 | hsize * 3, sy + ysize, 5); |
| 158 | solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy, |
| 159 | solo_dev->video_hsize, sy + ysize, 5); |
| 160 | } |
| 161 | |
| 162 | return 0; |
| 163 | } |
| 164 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 165 | static int solo_v4l2_ch(struct solo_dev *solo_dev, u8 ch, int on) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 166 | { |
| 167 | u8 ext_ch; |
| 168 | |
| 169 | if (ch < solo_dev->nr_chans) { |
| 170 | solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize, |
| 171 | on ? 0 : solo_vlines(solo_dev), |
| 172 | solo_dev->video_hsize, solo_vlines(solo_dev), |
| 173 | on ? 1 : 0); |
| 174 | return 0; |
| 175 | } |
| 176 | |
| 177 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) |
| 178 | return -EINVAL; |
| 179 | |
| 180 | ext_ch = ch - solo_dev->nr_chans; |
| 181 | |
| 182 | /* 4up's first */ |
| 183 | if (ext_ch < 4) |
| 184 | return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on); |
| 185 | |
| 186 | /* Remaining case is 16up for 16-port */ |
| 187 | return solo_v4l2_ch_ext_16up(solo_dev, on); |
| 188 | } |
| 189 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 190 | static int solo_v4l2_set_ch(struct solo_dev *solo_dev, u8 ch) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 191 | { |
| 192 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) |
| 193 | return -EINVAL; |
| 194 | |
| 195 | erase_on(solo_dev); |
| 196 | |
| 197 | solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0); |
| 198 | solo_v4l2_ch(solo_dev, ch, 1); |
| 199 | |
| 200 | solo_dev->cur_disp_ch = ch; |
| 201 | |
| 202 | return 0; |
| 203 | } |
| 204 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 205 | static void disp_reset_desc(struct solo_filehandle *fh) |
| 206 | { |
Ben Collins | 0e4de05 | 2010-11-05 10:29:33 -0400 | [diff] [blame] | 207 | /* We use desc mode, which ignores desc 0 */ |
| 208 | memset(fh->desc, 0, sizeof(*fh->desc)); |
| 209 | fh->desc_idx = 1; |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | static int disp_flush_descs(struct solo_filehandle *fh) |
| 213 | { |
| 214 | int ret; |
| 215 | |
| 216 | if (!fh->desc_idx) |
| 217 | return 0; |
| 218 | |
| 219 | ret = solo_p2m_dma_desc(fh->solo_dev, SOLO_P2M_DMA_ID_DISP, |
| 220 | fh->desc, fh->desc_idx); |
| 221 | disp_reset_desc(fh); |
| 222 | |
| 223 | return ret; |
| 224 | } |
| 225 | |
| 226 | static int disp_push_desc(struct solo_filehandle *fh, dma_addr_t dma_addr, |
| 227 | u32 ext_addr, int size, int repeat, int ext_size) |
| 228 | { |
| 229 | if (fh->desc_idx >= SOLO_NR_P2M_DESC) { |
| 230 | int ret = disp_flush_descs(fh); |
| 231 | if (ret) |
| 232 | return ret; |
| 233 | } |
| 234 | |
| 235 | solo_p2m_push_desc(&fh->desc[fh->desc_idx], 0, dma_addr, ext_addr, |
| 236 | size, repeat, ext_size); |
| 237 | fh->desc_idx++; |
| 238 | |
| 239 | return 0; |
| 240 | } |
| 241 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 242 | static void solo_fillbuf(struct solo_filehandle *fh, |
| 243 | struct videobuf_buffer *vb) |
| 244 | { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 245 | struct solo_dev *solo_dev = fh->solo_dev; |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 246 | struct videobuf_dmabuf *vbuf; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 247 | unsigned int fdma_addr; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 248 | int error = 1; |
| 249 | int i; |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 250 | struct scatterlist *sg; |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 251 | dma_addr_t sg_dma; |
| 252 | int sg_size_left; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 253 | |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 254 | vbuf = videobuf_to_dma(vb); |
| 255 | if (!vbuf) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 256 | goto finish_buf; |
| 257 | |
| 258 | if (erase_off(solo_dev)) { |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 259 | int i; |
| 260 | |
| 261 | /* Just blit to the entire sg list, ignoring size */ |
| 262 | for_each_sg(vbuf->sglist, sg, vbuf->sglen, i) { |
| 263 | void *p = sg_virt(sg); |
| 264 | size_t len = sg_dma_len(sg); |
| 265 | |
| 266 | for (i = 0; i < len; i += 2) { |
| 267 | ((u8 *)p)[i] = 0x80; |
| 268 | ((u8 *)p)[i + 1] = 0x00; |
| 269 | } |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 270 | } |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 271 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 272 | error = 0; |
| 273 | goto finish_buf; |
| 274 | } |
| 275 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 276 | disp_reset_desc(fh); |
| 277 | sg = vbuf->sglist; |
| 278 | sg_dma = sg_dma_address(sg); |
| 279 | sg_size_left = sg_dma_len(sg); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 280 | |
Krzysztof Hałasa | 43d1136 | 2011-02-11 13:33:26 +0100 | [diff] [blame] | 281 | fdma_addr = SOLO_DISP_EXT_ADDR + (fh->old_write * |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 282 | (SOLO_HW_BPL * solo_vlines(solo_dev))); |
| 283 | |
| 284 | for (i = 0; i < solo_vlines(solo_dev); i++) { |
| 285 | int line_len = solo_bytesperline(solo_dev); |
| 286 | int lines; |
| 287 | |
| 288 | if (!sg_size_left) { |
| 289 | sg = sg_next(sg); |
| 290 | if (sg == NULL) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 291 | goto finish_buf; |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 292 | sg_dma = sg_dma_address(sg); |
| 293 | sg_size_left = sg_dma_len(sg); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 294 | } |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 295 | |
| 296 | /* No room for an entire line, so chunk it up */ |
| 297 | if (sg_size_left < line_len) { |
| 298 | int this_addr = fdma_addr; |
| 299 | |
| 300 | while (line_len > 0) { |
| 301 | int this_write; |
| 302 | |
| 303 | if (!sg_size_left) { |
| 304 | sg = sg_next(sg); |
| 305 | if (sg == NULL) |
| 306 | goto finish_buf; |
| 307 | sg_dma = sg_dma_address(sg); |
| 308 | sg_size_left = sg_dma_len(sg); |
| 309 | } |
| 310 | |
| 311 | this_write = min(sg_size_left, line_len); |
| 312 | |
| 313 | if (disp_push_desc(fh, sg_dma, this_addr, |
| 314 | this_write, 0, 0)) |
| 315 | goto finish_buf; |
| 316 | |
| 317 | line_len -= this_write; |
| 318 | sg_size_left -= this_write; |
| 319 | sg_dma += this_write; |
| 320 | this_addr += this_write; |
| 321 | } |
| 322 | |
| 323 | fdma_addr += SOLO_HW_BPL; |
| 324 | continue; |
| 325 | } |
| 326 | |
| 327 | /* Shove as many lines into a repeating descriptor as possible */ |
| 328 | lines = min(sg_size_left / line_len, |
| 329 | solo_vlines(solo_dev) - i); |
| 330 | |
| 331 | if (disp_push_desc(fh, sg_dma, fdma_addr, line_len, |
| 332 | lines - 1, SOLO_HW_BPL)) |
| 333 | goto finish_buf; |
| 334 | |
| 335 | i += lines - 1; |
| 336 | fdma_addr += SOLO_HW_BPL * lines; |
| 337 | sg_dma += lines * line_len; |
| 338 | sg_size_left -= lines * line_len; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 339 | } |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 340 | |
| 341 | error = disp_flush_descs(fh); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 342 | |
| 343 | finish_buf: |
| 344 | if (error) { |
| 345 | vb->state = VIDEOBUF_ERROR; |
| 346 | } else { |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 347 | vb->size = solo_vlines(solo_dev) * solo_bytesperline(solo_dev); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 348 | vb->state = VIDEOBUF_DONE; |
| 349 | vb->field_count++; |
| 350 | do_gettimeofday(&vb->ts); |
| 351 | } |
| 352 | |
| 353 | wake_up(&vb->done); |
| 354 | |
| 355 | return; |
| 356 | } |
| 357 | |
| 358 | static void solo_thread_try(struct solo_filehandle *fh) |
| 359 | { |
| 360 | struct videobuf_buffer *vb; |
| 361 | unsigned int cur_write; |
| 362 | |
| 363 | for (;;) { |
| 364 | spin_lock(&fh->slock); |
| 365 | |
| 366 | if (list_empty(&fh->vidq_active)) |
| 367 | break; |
| 368 | |
| 369 | vb = list_first_entry(&fh->vidq_active, struct videobuf_buffer, |
| 370 | queue); |
| 371 | |
| 372 | if (!waitqueue_active(&vb->done)) |
| 373 | break; |
| 374 | |
| 375 | cur_write = SOLO_VI_STATUS0_PAGE(solo_reg_read(fh->solo_dev, |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 376 | SOLO_VI_STATUS0)); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 377 | if (cur_write == fh->old_write) |
| 378 | break; |
| 379 | |
| 380 | fh->old_write = cur_write; |
| 381 | list_del(&vb->queue); |
| 382 | |
| 383 | spin_unlock(&fh->slock); |
| 384 | |
| 385 | solo_fillbuf(fh, vb); |
| 386 | } |
| 387 | |
| 388 | assert_spin_locked(&fh->slock); |
| 389 | spin_unlock(&fh->slock); |
| 390 | } |
| 391 | |
| 392 | static int solo_thread(void *data) |
| 393 | { |
| 394 | struct solo_filehandle *fh = data; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 395 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 396 | DECLARE_WAITQUEUE(wait, current); |
| 397 | |
| 398 | set_freezable(); |
| 399 | add_wait_queue(&solo_dev->disp_thread_wait, &wait); |
| 400 | |
| 401 | for (;;) { |
| 402 | long timeout = schedule_timeout_interruptible(HZ); |
| 403 | if (timeout == -ERESTARTSYS || kthread_should_stop()) |
| 404 | break; |
| 405 | solo_thread_try(fh); |
| 406 | try_to_freeze(); |
| 407 | } |
| 408 | |
| 409 | remove_wait_queue(&solo_dev->disp_thread_wait, &wait); |
| 410 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 411 | return 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | static int solo_start_thread(struct solo_filehandle *fh) |
| 415 | { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 416 | fh->kthread = kthread_run(solo_thread, fh, SOLO6X10_NAME "_disp"); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 417 | |
| 418 | if (IS_ERR(fh->kthread)) |
| 419 | return PTR_ERR(fh->kthread); |
| 420 | |
| 421 | return 0; |
| 422 | } |
| 423 | |
| 424 | static void solo_stop_thread(struct solo_filehandle *fh) |
| 425 | { |
| 426 | if (fh->kthread) { |
| 427 | kthread_stop(fh->kthread); |
| 428 | fh->kthread = NULL; |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | static int solo_buf_setup(struct videobuf_queue *vq, unsigned int *count, |
| 433 | unsigned int *size) |
| 434 | { |
| 435 | struct solo_filehandle *fh = vq->priv_data; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 436 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 437 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 438 | *size = solo_image_size(solo_dev); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 439 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 440 | if (*count < MIN_VID_BUFFERS) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 441 | *count = MIN_VID_BUFFERS; |
| 442 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 443 | return 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 444 | } |
| 445 | |
| 446 | static int solo_buf_prepare(struct videobuf_queue *vq, |
| 447 | struct videobuf_buffer *vb, enum v4l2_field field) |
| 448 | { |
| 449 | struct solo_filehandle *fh = vq->priv_data; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 450 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 451 | |
| 452 | vb->size = solo_image_size(solo_dev); |
| 453 | if (vb->baddr != 0 && vb->bsize < vb->size) |
| 454 | return -EINVAL; |
| 455 | |
| 456 | /* XXX: These properties only change when queue is idle */ |
| 457 | vb->width = solo_dev->video_hsize; |
| 458 | vb->height = solo_vlines(solo_dev); |
| 459 | vb->bytesperline = solo_bytesperline(solo_dev); |
| 460 | vb->field = field; |
| 461 | |
| 462 | if (vb->state == VIDEOBUF_NEEDS_INIT) { |
| 463 | int rc = videobuf_iolock(vq, vb, NULL); |
| 464 | if (rc < 0) { |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 465 | struct videobuf_dmabuf *dma = videobuf_to_dma(vb); |
Ben Collins | 319fb3b | 2010-11-04 23:20:31 -0400 | [diff] [blame] | 466 | videobuf_dma_unmap(vq->dev, dma); |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 467 | videobuf_dma_free(dma); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 468 | vb->state = VIDEOBUF_NEEDS_INIT; |
| 469 | return rc; |
| 470 | } |
| 471 | } |
| 472 | vb->state = VIDEOBUF_PREPARED; |
| 473 | |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | static void solo_buf_queue(struct videobuf_queue *vq, |
| 478 | struct videobuf_buffer *vb) |
| 479 | { |
| 480 | struct solo_filehandle *fh = vq->priv_data; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 481 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 482 | |
| 483 | vb->state = VIDEOBUF_QUEUED; |
| 484 | list_add_tail(&vb->queue, &fh->vidq_active); |
| 485 | wake_up_interruptible(&solo_dev->disp_thread_wait); |
| 486 | } |
| 487 | |
| 488 | static void solo_buf_release(struct videobuf_queue *vq, |
| 489 | struct videobuf_buffer *vb) |
| 490 | { |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 491 | struct videobuf_dmabuf *dma = videobuf_to_dma(vb); |
| 492 | |
Ben Collins | 319fb3b | 2010-11-04 23:20:31 -0400 | [diff] [blame] | 493 | videobuf_dma_unmap(vq->dev, dma); |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 494 | videobuf_dma_free(dma); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 495 | vb->state = VIDEOBUF_NEEDS_INIT; |
| 496 | } |
| 497 | |
| 498 | static struct videobuf_queue_ops solo_video_qops = { |
| 499 | .buf_setup = solo_buf_setup, |
| 500 | .buf_prepare = solo_buf_prepare, |
| 501 | .buf_queue = solo_buf_queue, |
| 502 | .buf_release = solo_buf_release, |
| 503 | }; |
| 504 | |
| 505 | static unsigned int solo_v4l2_poll(struct file *file, |
| 506 | struct poll_table_struct *wait) |
| 507 | { |
| 508 | struct solo_filehandle *fh = file->private_data; |
| 509 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 510 | return videobuf_poll_stream(file, &fh->vidq, wait); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 511 | } |
| 512 | |
| 513 | static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma) |
| 514 | { |
| 515 | struct solo_filehandle *fh = file->private_data; |
| 516 | |
| 517 | return videobuf_mmap_mapper(&fh->vidq, vma); |
| 518 | } |
| 519 | |
| 520 | static int solo_v4l2_open(struct file *file) |
| 521 | { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 522 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 523 | struct solo_filehandle *fh; |
| 524 | int ret; |
| 525 | |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 526 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
| 527 | if (fh == NULL) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 528 | return -ENOMEM; |
| 529 | |
| 530 | spin_lock_init(&fh->slock); |
| 531 | INIT_LIST_HEAD(&fh->vidq_active); |
| 532 | fh->solo_dev = solo_dev; |
| 533 | file->private_data = fh; |
| 534 | |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 535 | ret = solo_start_thread(fh); |
| 536 | if (ret) { |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 537 | kfree(fh); |
| 538 | return ret; |
| 539 | } |
| 540 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 541 | videobuf_queue_sg_init(&fh->vidq, &solo_video_qops, |
| 542 | &solo_dev->pdev->dev, &fh->slock, |
| 543 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 544 | SOLO_DISP_PIX_FIELD, |
Ben Collins | 319fb3b | 2010-11-04 23:20:31 -0400 | [diff] [blame] | 545 | sizeof(struct videobuf_buffer), fh, NULL); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 546 | |
| 547 | return 0; |
| 548 | } |
| 549 | |
| 550 | static ssize_t solo_v4l2_read(struct file *file, char __user *data, |
| 551 | size_t count, loff_t *ppos) |
| 552 | { |
| 553 | struct solo_filehandle *fh = file->private_data; |
| 554 | |
| 555 | return videobuf_read_stream(&fh->vidq, data, count, ppos, 0, |
| 556 | file->f_flags & O_NONBLOCK); |
| 557 | } |
| 558 | |
| 559 | static int solo_v4l2_release(struct file *file) |
| 560 | { |
| 561 | struct solo_filehandle *fh = file->private_data; |
| 562 | |
| 563 | videobuf_stop(&fh->vidq); |
| 564 | videobuf_mmap_free(&fh->vidq); |
| 565 | solo_stop_thread(fh); |
| 566 | kfree(fh); |
| 567 | |
| 568 | return 0; |
| 569 | } |
| 570 | |
| 571 | static int solo_querycap(struct file *file, void *priv, |
| 572 | struct v4l2_capability *cap) |
| 573 | { |
| 574 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 575 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 576 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 577 | strcpy(cap->driver, SOLO6X10_NAME); |
| 578 | strcpy(cap->card, "Softlogic 6x10"); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 579 | snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI %s", |
| 580 | pci_name(solo_dev->pdev)); |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 581 | cap->version = SOLO6X10_VER_NUM; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 582 | cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | |
| 583 | V4L2_CAP_READWRITE | |
| 584 | V4L2_CAP_STREAMING; |
| 585 | return 0; |
| 586 | } |
| 587 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 588 | static int solo_enum_ext_input(struct solo_dev *solo_dev, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 589 | struct v4l2_input *input) |
| 590 | { |
| 591 | static const char *dispnames_1[] = { "4UP" }; |
| 592 | static const char *dispnames_2[] = { "4UP-1", "4UP-2" }; |
| 593 | static const char *dispnames_5[] = { |
| 594 | "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP" |
| 595 | }; |
| 596 | const char **dispnames; |
| 597 | |
| 598 | if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext)) |
| 599 | return -EINVAL; |
| 600 | |
| 601 | if (solo_dev->nr_ext == 5) |
| 602 | dispnames = dispnames_5; |
| 603 | else if (solo_dev->nr_ext == 2) |
| 604 | dispnames = dispnames_2; |
| 605 | else |
| 606 | dispnames = dispnames_1; |
| 607 | |
| 608 | snprintf(input->name, sizeof(input->name), "Multi %s", |
| 609 | dispnames[input->index - solo_dev->nr_chans]); |
| 610 | |
| 611 | return 0; |
| 612 | } |
| 613 | |
| 614 | static int solo_enum_input(struct file *file, void *priv, |
| 615 | struct v4l2_input *input) |
| 616 | { |
| 617 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 618 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 619 | |
| 620 | if (input->index >= solo_dev->nr_chans) { |
| 621 | int ret = solo_enum_ext_input(solo_dev, input); |
| 622 | if (ret < 0) |
| 623 | return ret; |
| 624 | } else { |
| 625 | snprintf(input->name, sizeof(input->name), "Camera %d", |
| 626 | input->index + 1); |
| 627 | |
| 628 | /* We can only check this for normal inputs */ |
| 629 | if (!tw28_get_video_status(solo_dev, input->index)) |
| 630 | input->status = V4L2_IN_ST_NO_SIGNAL; |
| 631 | } |
| 632 | |
| 633 | input->type = V4L2_INPUT_TYPE_CAMERA; |
| 634 | |
| 635 | if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) |
| 636 | input->std = V4L2_STD_NTSC_M; |
| 637 | else |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 638 | input->std = V4L2_STD_PAL_B; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 639 | |
| 640 | return 0; |
| 641 | } |
| 642 | |
| 643 | static int solo_set_input(struct file *file, void *priv, unsigned int index) |
| 644 | { |
| 645 | struct solo_filehandle *fh = priv; |
| 646 | |
| 647 | return solo_v4l2_set_ch(fh->solo_dev, index); |
| 648 | } |
| 649 | |
| 650 | static int solo_get_input(struct file *file, void *priv, unsigned int *index) |
| 651 | { |
| 652 | struct solo_filehandle *fh = priv; |
| 653 | |
| 654 | *index = fh->solo_dev->cur_disp_ch; |
| 655 | |
| 656 | return 0; |
| 657 | } |
| 658 | |
| 659 | static int solo_enum_fmt_cap(struct file *file, void *priv, |
| 660 | struct v4l2_fmtdesc *f) |
| 661 | { |
| 662 | if (f->index) |
| 663 | return -EINVAL; |
| 664 | |
| 665 | f->pixelformat = V4L2_PIX_FMT_UYVY; |
| 666 | strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description)); |
| 667 | |
| 668 | return 0; |
| 669 | } |
| 670 | |
| 671 | static int solo_try_fmt_cap(struct file *file, void *priv, |
| 672 | struct v4l2_format *f) |
| 673 | { |
| 674 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 675 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 676 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 677 | int image_size = solo_image_size(solo_dev); |
| 678 | |
| 679 | /* Check supported sizes */ |
| 680 | if (pix->width != solo_dev->video_hsize) |
| 681 | pix->width = solo_dev->video_hsize; |
| 682 | if (pix->height != solo_vlines(solo_dev)) |
| 683 | pix->height = solo_vlines(solo_dev); |
| 684 | if (pix->sizeimage != image_size) |
| 685 | pix->sizeimage = image_size; |
| 686 | |
| 687 | /* Check formats */ |
| 688 | if (pix->field == V4L2_FIELD_ANY) |
| 689 | pix->field = SOLO_DISP_PIX_FIELD; |
| 690 | |
| 691 | if (pix->pixelformat != V4L2_PIX_FMT_UYVY || |
| 692 | pix->field != SOLO_DISP_PIX_FIELD || |
| 693 | pix->colorspace != V4L2_COLORSPACE_SMPTE170M) |
| 694 | return -EINVAL; |
| 695 | |
| 696 | return 0; |
| 697 | } |
| 698 | |
| 699 | static int solo_set_fmt_cap(struct file *file, void *priv, |
| 700 | struct v4l2_format *f) |
| 701 | { |
| 702 | struct solo_filehandle *fh = priv; |
| 703 | |
| 704 | if (videobuf_queue_is_busy(&fh->vidq)) |
| 705 | return -EBUSY; |
| 706 | |
| 707 | /* For right now, if it doesn't match our running config, |
| 708 | * then fail */ |
| 709 | return solo_try_fmt_cap(file, priv, f); |
| 710 | } |
| 711 | |
| 712 | static int solo_get_fmt_cap(struct file *file, void *priv, |
| 713 | struct v4l2_format *f) |
| 714 | { |
| 715 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 716 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 717 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 718 | |
| 719 | pix->width = solo_dev->video_hsize; |
| 720 | pix->height = solo_vlines(solo_dev); |
| 721 | pix->pixelformat = V4L2_PIX_FMT_UYVY; |
| 722 | pix->field = SOLO_DISP_PIX_FIELD; |
| 723 | pix->sizeimage = solo_image_size(solo_dev); |
| 724 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 725 | pix->bytesperline = solo_bytesperline(solo_dev); |
| 726 | |
| 727 | return 0; |
| 728 | } |
| 729 | |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 730 | static int solo_reqbufs(struct file *file, void *priv, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 731 | struct v4l2_requestbuffers *req) |
| 732 | { |
| 733 | struct solo_filehandle *fh = priv; |
| 734 | |
| 735 | return videobuf_reqbufs(&fh->vidq, req); |
| 736 | } |
| 737 | |
| 738 | static int solo_querybuf(struct file *file, void *priv, struct v4l2_buffer *buf) |
| 739 | { |
| 740 | struct solo_filehandle *fh = priv; |
| 741 | |
| 742 | return videobuf_querybuf(&fh->vidq, buf); |
| 743 | } |
| 744 | |
| 745 | static int solo_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) |
| 746 | { |
| 747 | struct solo_filehandle *fh = priv; |
| 748 | |
| 749 | return videobuf_qbuf(&fh->vidq, buf); |
| 750 | } |
| 751 | |
| 752 | static int solo_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) |
| 753 | { |
| 754 | struct solo_filehandle *fh = priv; |
| 755 | |
| 756 | return videobuf_dqbuf(&fh->vidq, buf, file->f_flags & O_NONBLOCK); |
| 757 | } |
| 758 | |
| 759 | static int solo_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
| 760 | { |
| 761 | struct solo_filehandle *fh = priv; |
| 762 | |
| 763 | if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 764 | return -EINVAL; |
| 765 | |
| 766 | return videobuf_streamon(&fh->vidq); |
| 767 | } |
| 768 | |
| 769 | static int solo_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 770 | { |
| 771 | struct solo_filehandle *fh = priv; |
| 772 | |
| 773 | if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 774 | return -EINVAL; |
| 775 | |
| 776 | return videobuf_streamoff(&fh->vidq); |
| 777 | } |
| 778 | |
| 779 | static int solo_s_std(struct file *file, void *priv, v4l2_std_id *i) |
| 780 | { |
| 781 | return 0; |
| 782 | } |
| 783 | |
| 784 | static const u32 solo_motion_ctrls[] = { |
| 785 | V4L2_CID_MOTION_TRACE, |
| 786 | 0 |
| 787 | }; |
| 788 | |
| 789 | static const u32 *solo_ctrl_classes[] = { |
| 790 | solo_motion_ctrls, |
| 791 | NULL |
| 792 | }; |
| 793 | |
| 794 | static int solo_disp_queryctrl(struct file *file, void *priv, |
| 795 | struct v4l2_queryctrl *qc) |
| 796 | { |
| 797 | qc->id = v4l2_ctrl_next(solo_ctrl_classes, qc->id); |
| 798 | if (!qc->id) |
| 799 | return -EINVAL; |
| 800 | |
| 801 | switch (qc->id) { |
| 802 | #ifdef PRIVATE_CIDS |
| 803 | case V4L2_CID_MOTION_TRACE: |
| 804 | qc->type = V4L2_CTRL_TYPE_BOOLEAN; |
| 805 | qc->minimum = 0; |
| 806 | qc->maximum = qc->step = 1; |
| 807 | qc->default_value = 0; |
| 808 | strlcpy(qc->name, "Motion Detection Trace", sizeof(qc->name)); |
| 809 | return 0; |
| 810 | #else |
| 811 | case V4L2_CID_MOTION_TRACE: |
| 812 | return v4l2_ctrl_query_fill(qc, 0, 1, 1, 0); |
| 813 | #endif |
| 814 | } |
| 815 | return -EINVAL; |
| 816 | } |
| 817 | |
| 818 | static int solo_disp_g_ctrl(struct file *file, void *priv, |
| 819 | struct v4l2_control *ctrl) |
| 820 | { |
| 821 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 822 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 823 | |
| 824 | switch (ctrl->id) { |
| 825 | case V4L2_CID_MOTION_TRACE: |
| 826 | ctrl->value = solo_reg_read(solo_dev, SOLO_VI_MOTION_BAR) |
| 827 | ? 1 : 0; |
| 828 | return 0; |
| 829 | } |
| 830 | return -EINVAL; |
| 831 | } |
| 832 | |
| 833 | static int solo_disp_s_ctrl(struct file *file, void *priv, |
| 834 | struct v4l2_control *ctrl) |
| 835 | { |
| 836 | struct solo_filehandle *fh = priv; |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 837 | struct solo_dev *solo_dev = fh->solo_dev; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 838 | |
| 839 | switch (ctrl->id) { |
| 840 | case V4L2_CID_MOTION_TRACE: |
| 841 | if (ctrl->value) { |
| 842 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, |
| 843 | SOLO_VI_MOTION_Y_ADD | |
| 844 | SOLO_VI_MOTION_Y_VALUE(0x20) | |
| 845 | SOLO_VI_MOTION_CB_VALUE(0x10) | |
| 846 | SOLO_VI_MOTION_CR_VALUE(0x10)); |
| 847 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, |
| 848 | SOLO_VI_MOTION_CR_ADD | |
| 849 | SOLO_VI_MOTION_Y_VALUE(0x10) | |
| 850 | SOLO_VI_MOTION_CB_VALUE(0x80) | |
| 851 | SOLO_VI_MOTION_CR_VALUE(0x10)); |
| 852 | } else { |
| 853 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0); |
| 854 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0); |
| 855 | } |
| 856 | return 0; |
| 857 | } |
| 858 | return -EINVAL; |
| 859 | } |
| 860 | |
| 861 | static const struct v4l2_file_operations solo_v4l2_fops = { |
| 862 | .owner = THIS_MODULE, |
| 863 | .open = solo_v4l2_open, |
| 864 | .release = solo_v4l2_release, |
| 865 | .read = solo_v4l2_read, |
| 866 | .poll = solo_v4l2_poll, |
| 867 | .mmap = solo_v4l2_mmap, |
| 868 | .ioctl = video_ioctl2, |
| 869 | }; |
| 870 | |
| 871 | static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { |
| 872 | .vidioc_querycap = solo_querycap, |
| 873 | .vidioc_s_std = solo_s_std, |
| 874 | /* Input callbacks */ |
| 875 | .vidioc_enum_input = solo_enum_input, |
| 876 | .vidioc_s_input = solo_set_input, |
| 877 | .vidioc_g_input = solo_get_input, |
| 878 | /* Video capture format callbacks */ |
| 879 | .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap, |
| 880 | .vidioc_try_fmt_vid_cap = solo_try_fmt_cap, |
| 881 | .vidioc_s_fmt_vid_cap = solo_set_fmt_cap, |
| 882 | .vidioc_g_fmt_vid_cap = solo_get_fmt_cap, |
| 883 | /* Streaming I/O */ |
| 884 | .vidioc_reqbufs = solo_reqbufs, |
| 885 | .vidioc_querybuf = solo_querybuf, |
| 886 | .vidioc_qbuf = solo_qbuf, |
| 887 | .vidioc_dqbuf = solo_dqbuf, |
| 888 | .vidioc_streamon = solo_streamon, |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 889 | .vidioc_streamoff = solo_streamoff, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 890 | /* Controls */ |
| 891 | .vidioc_queryctrl = solo_disp_queryctrl, |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 892 | .vidioc_g_ctrl = solo_disp_g_ctrl, |
| 893 | .vidioc_s_ctrl = solo_disp_s_ctrl, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 894 | }; |
| 895 | |
| 896 | static struct video_device solo_v4l2_template = { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 897 | .name = SOLO6X10_NAME, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 898 | .fops = &solo_v4l2_fops, |
| 899 | .ioctl_ops = &solo_v4l2_ioctl_ops, |
| 900 | .minor = -1, |
| 901 | .release = video_device_release, |
| 902 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 903 | .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_B, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 904 | .current_norm = V4L2_STD_NTSC_M, |
| 905 | }; |
| 906 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 907 | int solo_v4l2_init(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 908 | { |
| 909 | int ret; |
| 910 | int i; |
| 911 | |
| 912 | init_waitqueue_head(&solo_dev->disp_thread_wait); |
| 913 | |
| 914 | solo_dev->vfd = video_device_alloc(); |
| 915 | if (!solo_dev->vfd) |
| 916 | return -ENOMEM; |
| 917 | |
| 918 | *solo_dev->vfd = solo_v4l2_template; |
| 919 | solo_dev->vfd->parent = &solo_dev->pdev->dev; |
| 920 | |
| 921 | ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, video_nr); |
| 922 | if (ret < 0) { |
| 923 | video_device_release(solo_dev->vfd); |
| 924 | solo_dev->vfd = NULL; |
| 925 | return ret; |
| 926 | } |
| 927 | |
| 928 | video_set_drvdata(solo_dev->vfd, solo_dev); |
| 929 | |
| 930 | snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)", |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 931 | SOLO6X10_NAME, solo_dev->vfd->num); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 932 | |
Vasiliy Kulikov | 3850a8a | 2010-09-12 22:56:57 +0400 | [diff] [blame] | 933 | if (video_nr != -1) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 934 | video_nr++; |
| 935 | |
| 936 | dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with " |
| 937 | "%d inputs (%d extended)\n", solo_dev->vfd->num, |
| 938 | solo_dev->nr_chans, solo_dev->nr_ext); |
| 939 | |
| 940 | /* Cycle all the channels and clear */ |
| 941 | for (i = 0; i < solo_dev->nr_chans; i++) { |
| 942 | solo_v4l2_set_ch(solo_dev, i); |
| 943 | while (erase_off(solo_dev)) |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 944 | ;/* Do nothing */ |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 945 | } |
| 946 | |
| 947 | /* Set the default display channel */ |
| 948 | solo_v4l2_set_ch(solo_dev, 0); |
| 949 | while (erase_off(solo_dev)) |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 950 | ;/* Do nothing */ |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 951 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 952 | solo_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 953 | |
| 954 | return 0; |
| 955 | } |
| 956 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 957 | void solo_v4l2_exit(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 958 | { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 959 | solo_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 960 | if (solo_dev->vfd) { |
| 961 | video_unregister_device(solo_dev->vfd); |
| 962 | solo_dev->vfd = NULL; |
| 963 | } |
| 964 | } |