Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 1 | /* |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 2 | * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com> |
| 3 | * |
| 4 | * Original author: |
| 5 | * Ben Collins <bcollins@ubuntu.com> |
| 6 | * |
| 7 | * Additional work by: |
| 8 | * John Brooks <john.brooks@bluecherry.net> |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 23 | */ |
| 24 | |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/module.h> |
| 27 | #include <linux/kthread.h> |
| 28 | #include <linux/freezer.h> |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 29 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 30 | #include <media/v4l2-ioctl.h> |
| 31 | #include <media/v4l2-common.h> |
Hans Verkuil | 9416049 | 2013-03-12 18:47:03 -0300 | [diff] [blame] | 32 | #include <media/v4l2-event.h> |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 33 | #include <media/videobuf2-dma-contig.h> |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 34 | |
Krzysztof Hałasa | ae69b22 | 2011-02-11 13:36:27 +0100 | [diff] [blame] | 35 | #include "solo6x10.h" |
Hans Verkuil | dad7fab | 2013-03-25 05:42:46 -0300 | [diff] [blame] | 36 | #include "solo6x10-tw28.h" |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 37 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 38 | /* Image size is two fields, SOLO_HW_BPL is one horizontal line in hardware */ |
| 39 | #define SOLO_HW_BPL 2048 |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 40 | #define solo_vlines(__solo) (__solo->video_vsize * 2) |
| 41 | #define solo_image_size(__solo) (solo_bytesperline(__solo) * \ |
| 42 | solo_vlines(__solo)) |
| 43 | #define solo_bytesperline(__solo) (__solo->video_hsize * 2) |
| 44 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 45 | #define MIN_VID_BUFFERS 2 |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 46 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 47 | static inline void erase_on(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 48 | { |
| 49 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, SOLO_VO_DISP_ERASE_ON); |
| 50 | solo_dev->erasing = 1; |
| 51 | solo_dev->frame_blank = 0; |
| 52 | } |
| 53 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 54 | static inline int erase_off(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 55 | { |
| 56 | if (!solo_dev->erasing) |
| 57 | return 0; |
| 58 | |
| 59 | /* First time around, assert erase off */ |
| 60 | if (!solo_dev->frame_blank) |
| 61 | solo_reg_write(solo_dev, SOLO_VO_DISP_ERASE, 0); |
| 62 | /* Keep the erasing flag on for 8 frames minimum */ |
| 63 | if (solo_dev->frame_blank++ >= 8) |
| 64 | solo_dev->erasing = 0; |
| 65 | |
| 66 | return 1; |
| 67 | } |
| 68 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 69 | void solo_video_in_isr(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 70 | { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 71 | wake_up_interruptible_all(&solo_dev->disp_thread_wait); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 72 | } |
| 73 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 74 | static void solo_win_setup(struct solo_dev *solo_dev, u8 ch, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 75 | int sx, int sy, int ex, int ey, int scale) |
| 76 | { |
| 77 | if (ch >= solo_dev->nr_chans) |
| 78 | return; |
| 79 | |
| 80 | /* Here, we just keep window/channel the same */ |
| 81 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL0(ch), |
| 82 | SOLO_VI_WIN_CHANNEL(ch) | |
| 83 | SOLO_VI_WIN_SX(sx) | |
| 84 | SOLO_VI_WIN_EX(ex) | |
| 85 | SOLO_VI_WIN_SCALE(scale)); |
| 86 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 87 | solo_reg_write(solo_dev, SOLO_VI_WIN_CTRL1(ch), |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 88 | SOLO_VI_WIN_SY(sy) | |
| 89 | SOLO_VI_WIN_EY(ey)); |
| 90 | } |
| 91 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 92 | 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] | 93 | { |
| 94 | u8 ch = idx * 4; |
| 95 | |
| 96 | if (ch >= solo_dev->nr_chans) |
| 97 | return -EINVAL; |
| 98 | |
| 99 | if (!on) { |
| 100 | u8 i; |
| 101 | for (i = ch; i < ch + 4; i++) |
| 102 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, |
| 103 | solo_vlines(solo_dev), |
| 104 | solo_dev->video_hsize, |
| 105 | solo_vlines(solo_dev), 0); |
| 106 | return 0; |
| 107 | } |
| 108 | |
| 109 | /* Row 1 */ |
| 110 | solo_win_setup(solo_dev, ch, 0, 0, solo_dev->video_hsize / 2, |
| 111 | solo_vlines(solo_dev) / 2, 3); |
| 112 | solo_win_setup(solo_dev, ch + 1, solo_dev->video_hsize / 2, 0, |
| 113 | solo_dev->video_hsize, solo_vlines(solo_dev) / 2, 3); |
| 114 | /* Row 2 */ |
| 115 | solo_win_setup(solo_dev, ch + 2, 0, solo_vlines(solo_dev) / 2, |
| 116 | solo_dev->video_hsize / 2, solo_vlines(solo_dev), 3); |
| 117 | solo_win_setup(solo_dev, ch + 3, solo_dev->video_hsize / 2, |
| 118 | solo_vlines(solo_dev) / 2, solo_dev->video_hsize, |
| 119 | solo_vlines(solo_dev), 3); |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 124 | 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] | 125 | { |
| 126 | int sy, ysize, hsize, i; |
| 127 | |
| 128 | if (!on) { |
| 129 | for (i = 0; i < 16; i++) |
| 130 | solo_win_setup(solo_dev, i, solo_dev->video_hsize, |
| 131 | solo_vlines(solo_dev), |
| 132 | solo_dev->video_hsize, |
| 133 | solo_vlines(solo_dev), 0); |
| 134 | return 0; |
| 135 | } |
| 136 | |
| 137 | ysize = solo_vlines(solo_dev) / 4; |
| 138 | hsize = solo_dev->video_hsize / 4; |
| 139 | |
| 140 | for (sy = 0, i = 0; i < 4; i++, sy += ysize) { |
| 141 | solo_win_setup(solo_dev, i * 4, 0, sy, hsize, |
| 142 | sy + ysize, 5); |
| 143 | solo_win_setup(solo_dev, (i * 4) + 1, hsize, sy, |
| 144 | hsize * 2, sy + ysize, 5); |
| 145 | solo_win_setup(solo_dev, (i * 4) + 2, hsize * 2, sy, |
| 146 | hsize * 3, sy + ysize, 5); |
| 147 | solo_win_setup(solo_dev, (i * 4) + 3, hsize * 3, sy, |
| 148 | solo_dev->video_hsize, sy + ysize, 5); |
| 149 | } |
| 150 | |
| 151 | return 0; |
| 152 | } |
| 153 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 154 | 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] | 155 | { |
| 156 | u8 ext_ch; |
| 157 | |
| 158 | if (ch < solo_dev->nr_chans) { |
| 159 | solo_win_setup(solo_dev, ch, on ? 0 : solo_dev->video_hsize, |
| 160 | on ? 0 : solo_vlines(solo_dev), |
| 161 | solo_dev->video_hsize, solo_vlines(solo_dev), |
| 162 | on ? 1 : 0); |
| 163 | return 0; |
| 164 | } |
| 165 | |
| 166 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) |
| 167 | return -EINVAL; |
| 168 | |
| 169 | ext_ch = ch - solo_dev->nr_chans; |
| 170 | |
| 171 | /* 4up's first */ |
| 172 | if (ext_ch < 4) |
| 173 | return solo_v4l2_ch_ext_4up(solo_dev, ext_ch, on); |
| 174 | |
| 175 | /* Remaining case is 16up for 16-port */ |
| 176 | return solo_v4l2_ch_ext_16up(solo_dev, on); |
| 177 | } |
| 178 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 179 | 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] | 180 | { |
| 181 | if (ch >= solo_dev->nr_chans + solo_dev->nr_ext) |
| 182 | return -EINVAL; |
| 183 | |
| 184 | erase_on(solo_dev); |
| 185 | |
| 186 | solo_v4l2_ch(solo_dev, solo_dev->cur_disp_ch, 0); |
| 187 | solo_v4l2_ch(solo_dev, ch, 1); |
| 188 | |
| 189 | solo_dev->cur_disp_ch = ch; |
| 190 | |
| 191 | return 0; |
| 192 | } |
| 193 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 194 | static void solo_fillbuf(struct solo_dev *solo_dev, |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 195 | struct vb2_buffer *vb) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 196 | { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 197 | dma_addr_t vbuf; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 198 | unsigned int fdma_addr; |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 199 | int error = -1; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 200 | int i; |
| 201 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 202 | vbuf = vb2_dma_contig_plane_dma_addr(vb, 0); |
facugaich | afabbe6 | 2010-11-10 10:39:33 -0300 | [diff] [blame] | 203 | if (!vbuf) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 204 | goto finish_buf; |
| 205 | |
| 206 | if (erase_off(solo_dev)) { |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 207 | void *p = vb2_plane_vaddr(vb, 0); |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 208 | int image_size = solo_image_size(solo_dev); |
| 209 | for (i = 0; i < image_size; i += 2) { |
| 210 | ((u8 *)p)[i] = 0x80; |
| 211 | ((u8 *)p)[i + 1] = 0x00; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 212 | } |
| 213 | error = 0; |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 214 | } else { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 215 | fdma_addr = SOLO_DISP_EXT_ADDR + (solo_dev->old_write * |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 216 | (SOLO_HW_BPL * solo_vlines(solo_dev))); |
| 217 | |
| 218 | error = solo_p2m_dma_t(solo_dev, 0, vbuf, fdma_addr, |
| 219 | solo_bytesperline(solo_dev), |
| 220 | solo_vlines(solo_dev), SOLO_HW_BPL); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 221 | } |
| 222 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 223 | finish_buf: |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 224 | if (!error) { |
| 225 | vb2_set_plane_payload(vb, 0, |
| 226 | solo_vlines(solo_dev) * solo_bytesperline(solo_dev)); |
Hans Verkuil | 15513c1 | 2013-03-15 13:16:49 -0300 | [diff] [blame] | 227 | vb->v4l2_buf.sequence = solo_dev->sequence++; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 228 | v4l2_get_timestamp(&vb->v4l2_buf.timestamp); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 229 | } |
| 230 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 231 | vb2_buffer_done(vb, error ? VB2_BUF_STATE_ERROR : VB2_BUF_STATE_DONE); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 232 | } |
| 233 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 234 | static void solo_thread_try(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 235 | { |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 236 | struct solo_vb2_buf *vb; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 237 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 238 | /* Only "break" from this loop if slock is held, otherwise |
| 239 | * just return. */ |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 240 | for (;;) { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 241 | unsigned int cur_write; |
| 242 | |
| 243 | cur_write = SOLO_VI_STATUS0_PAGE( |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 244 | solo_reg_read(solo_dev, SOLO_VI_STATUS0)); |
| 245 | if (cur_write == solo_dev->old_write) |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 246 | return; |
| 247 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 248 | spin_lock(&solo_dev->slock); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 249 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 250 | if (list_empty(&solo_dev->vidq_active)) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 251 | break; |
| 252 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 253 | vb = list_first_entry(&solo_dev->vidq_active, struct solo_vb2_buf, |
| 254 | list); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 255 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 256 | solo_dev->old_write = cur_write; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 257 | list_del(&vb->list); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 258 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 259 | spin_unlock(&solo_dev->slock); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 260 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 261 | solo_fillbuf(solo_dev, &vb->vb); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 262 | } |
| 263 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 264 | assert_spin_locked(&solo_dev->slock); |
| 265 | spin_unlock(&solo_dev->slock); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 266 | } |
| 267 | |
| 268 | static int solo_thread(void *data) |
| 269 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 270 | struct solo_dev *solo_dev = data; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 271 | DECLARE_WAITQUEUE(wait, current); |
| 272 | |
| 273 | set_freezable(); |
| 274 | add_wait_queue(&solo_dev->disp_thread_wait, &wait); |
| 275 | |
| 276 | for (;;) { |
| 277 | long timeout = schedule_timeout_interruptible(HZ); |
| 278 | if (timeout == -ERESTARTSYS || kthread_should_stop()) |
| 279 | break; |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 280 | solo_thread_try(solo_dev); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 281 | try_to_freeze(); |
| 282 | } |
| 283 | |
| 284 | remove_wait_queue(&solo_dev->disp_thread_wait, &wait); |
| 285 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 286 | return 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 287 | } |
| 288 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 289 | static int solo_start_thread(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 290 | { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 291 | int ret = 0; |
| 292 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 293 | solo_dev->kthread = kthread_run(solo_thread, solo_dev, SOLO6X10_NAME "_disp"); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 294 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 295 | if (IS_ERR(solo_dev->kthread)) { |
| 296 | ret = PTR_ERR(solo_dev->kthread); |
| 297 | solo_dev->kthread = NULL; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 298 | return ret; |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 299 | } |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 300 | solo_irq_on(solo_dev, SOLO_IRQ_VIDEO_IN); |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 301 | |
| 302 | return ret; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 303 | } |
| 304 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 305 | static void solo_stop_thread(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 306 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 307 | if (!solo_dev->kthread) |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 308 | return; |
| 309 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 310 | solo_irq_off(solo_dev, SOLO_IRQ_VIDEO_IN); |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 311 | kthread_stop(solo_dev->kthread); |
| 312 | solo_dev->kthread = NULL; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 313 | } |
| 314 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 315 | static int solo_queue_setup(struct vb2_queue *q, const struct v4l2_format *fmt, |
| 316 | unsigned int *num_buffers, unsigned int *num_planes, |
| 317 | unsigned int sizes[], void *alloc_ctxs[]) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 318 | { |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 319 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 320 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 321 | sizes[0] = solo_image_size(solo_dev); |
| 322 | alloc_ctxs[0] = solo_dev->alloc_ctx; |
| 323 | *num_planes = 1; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 324 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 325 | if (*num_buffers < MIN_VID_BUFFERS) |
| 326 | *num_buffers = MIN_VID_BUFFERS; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 327 | |
Ben Collins | f62de9b | 2010-11-04 22:51:17 -0400 | [diff] [blame] | 328 | return 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 329 | } |
| 330 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 331 | static int solo_start_streaming(struct vb2_queue *q, unsigned int count) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 332 | { |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 333 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 334 | |
Hans Verkuil | 15513c1 | 2013-03-15 13:16:49 -0300 | [diff] [blame] | 335 | solo_dev->sequence = 0; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 336 | return solo_start_thread(solo_dev); |
| 337 | } |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 338 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 339 | static int solo_stop_streaming(struct vb2_queue *q) |
| 340 | { |
| 341 | struct solo_dev *solo_dev = vb2_get_drv_priv(q); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 342 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 343 | solo_stop_thread(solo_dev); |
| 344 | INIT_LIST_HEAD(&solo_dev->vidq_active); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 345 | return 0; |
| 346 | } |
| 347 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 348 | static void solo_buf_queue(struct vb2_buffer *vb) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 349 | { |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 350 | struct vb2_queue *vq = vb->vb2_queue; |
| 351 | struct solo_dev *solo_dev = vb2_get_drv_priv(vq); |
| 352 | struct solo_vb2_buf *solo_vb = |
| 353 | container_of(vb, struct solo_vb2_buf, vb); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 354 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 355 | spin_lock(&solo_dev->slock); |
| 356 | list_add_tail(&solo_vb->list, &solo_dev->vidq_active); |
| 357 | spin_unlock(&solo_dev->slock); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 358 | wake_up_interruptible(&solo_dev->disp_thread_wait); |
| 359 | } |
| 360 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 361 | static const struct vb2_ops solo_video_qops = { |
| 362 | .queue_setup = solo_queue_setup, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 363 | .buf_queue = solo_buf_queue, |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 364 | .start_streaming = solo_start_streaming, |
| 365 | .stop_streaming = solo_stop_streaming, |
| 366 | .wait_prepare = vb2_ops_wait_prepare, |
| 367 | .wait_finish = vb2_ops_wait_finish, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 368 | }; |
| 369 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 370 | static int solo_querycap(struct file *file, void *priv, |
| 371 | struct v4l2_capability *cap) |
| 372 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 373 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 374 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 375 | strcpy(cap->driver, SOLO6X10_NAME); |
| 376 | strcpy(cap->card, "Softlogic 6x10"); |
Hans Verkuil | 20c5f49 | 2013-03-12 18:03:20 -0300 | [diff] [blame] | 377 | snprintf(cap->bus_info, sizeof(cap->bus_info), "PCI:%s", |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 378 | pci_name(solo_dev->pdev)); |
Hans Verkuil | 20c5f49 | 2013-03-12 18:03:20 -0300 | [diff] [blame] | 379 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | |
| 380 | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING; |
| 381 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 382 | return 0; |
| 383 | } |
| 384 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 385 | static int solo_enum_ext_input(struct solo_dev *solo_dev, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 386 | struct v4l2_input *input) |
| 387 | { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 388 | static const char * const dispnames_1[] = { "4UP" }; |
| 389 | static const char * const dispnames_2[] = { "4UP-1", "4UP-2" }; |
| 390 | static const char * const dispnames_5[] = { |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 391 | "4UP-1", "4UP-2", "4UP-3", "4UP-4", "16UP" |
| 392 | }; |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 393 | const char * const *dispnames; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 394 | |
| 395 | if (input->index >= (solo_dev->nr_chans + solo_dev->nr_ext)) |
| 396 | return -EINVAL; |
| 397 | |
| 398 | if (solo_dev->nr_ext == 5) |
| 399 | dispnames = dispnames_5; |
| 400 | else if (solo_dev->nr_ext == 2) |
| 401 | dispnames = dispnames_2; |
| 402 | else |
| 403 | dispnames = dispnames_1; |
| 404 | |
| 405 | snprintf(input->name, sizeof(input->name), "Multi %s", |
| 406 | dispnames[input->index - solo_dev->nr_chans]); |
| 407 | |
| 408 | return 0; |
| 409 | } |
| 410 | |
| 411 | static int solo_enum_input(struct file *file, void *priv, |
| 412 | struct v4l2_input *input) |
| 413 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 414 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 415 | |
| 416 | if (input->index >= solo_dev->nr_chans) { |
| 417 | int ret = solo_enum_ext_input(solo_dev, input); |
| 418 | if (ret < 0) |
| 419 | return ret; |
| 420 | } else { |
| 421 | snprintf(input->name, sizeof(input->name), "Camera %d", |
| 422 | input->index + 1); |
| 423 | |
| 424 | /* We can only check this for normal inputs */ |
| 425 | if (!tw28_get_video_status(solo_dev, input->index)) |
| 426 | input->status = V4L2_IN_ST_NO_SIGNAL; |
| 427 | } |
| 428 | |
| 429 | input->type = V4L2_INPUT_TYPE_CAMERA; |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 430 | input->std = solo_dev->vfd->tvnorms; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 431 | return 0; |
| 432 | } |
| 433 | |
| 434 | static int solo_set_input(struct file *file, void *priv, unsigned int index) |
| 435 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 436 | struct solo_dev *solo_dev = video_drvdata(file); |
| 437 | int ret = solo_v4l2_set_ch(solo_dev, index); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 438 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 439 | if (!ret) { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 440 | while (erase_off(solo_dev)) |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 441 | /* Do nothing */; |
| 442 | } |
| 443 | |
| 444 | return ret; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 445 | } |
| 446 | |
| 447 | static int solo_get_input(struct file *file, void *priv, unsigned int *index) |
| 448 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 449 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 450 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 451 | *index = solo_dev->cur_disp_ch; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 452 | |
| 453 | return 0; |
| 454 | } |
| 455 | |
| 456 | static int solo_enum_fmt_cap(struct file *file, void *priv, |
| 457 | struct v4l2_fmtdesc *f) |
| 458 | { |
| 459 | if (f->index) |
| 460 | return -EINVAL; |
| 461 | |
| 462 | f->pixelformat = V4L2_PIX_FMT_UYVY; |
| 463 | strlcpy(f->description, "UYUV 4:2:2 Packed", sizeof(f->description)); |
| 464 | |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | static int solo_try_fmt_cap(struct file *file, void *priv, |
| 469 | struct v4l2_format *f) |
| 470 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 471 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 472 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 473 | int image_size = solo_image_size(solo_dev); |
| 474 | |
Hans Verkuil | 016afda | 2013-03-12 18:43:21 -0300 | [diff] [blame] | 475 | if (pix->pixelformat != V4L2_PIX_FMT_UYVY) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 476 | return -EINVAL; |
| 477 | |
Hans Verkuil | 016afda | 2013-03-12 18:43:21 -0300 | [diff] [blame] | 478 | pix->width = solo_dev->video_hsize; |
| 479 | pix->height = solo_vlines(solo_dev); |
| 480 | pix->sizeimage = image_size; |
| 481 | pix->field = V4L2_FIELD_INTERLACED; |
| 482 | pix->pixelformat = V4L2_PIX_FMT_UYVY; |
| 483 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 484 | pix->priv = 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 485 | return 0; |
| 486 | } |
| 487 | |
| 488 | static int solo_set_fmt_cap(struct file *file, void *priv, |
| 489 | struct v4l2_format *f) |
| 490 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 491 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 492 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 493 | if (vb2_is_busy(&solo_dev->vidq)) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 494 | return -EBUSY; |
| 495 | |
| 496 | /* For right now, if it doesn't match our running config, |
| 497 | * then fail */ |
| 498 | return solo_try_fmt_cap(file, priv, f); |
| 499 | } |
| 500 | |
| 501 | static int solo_get_fmt_cap(struct file *file, void *priv, |
| 502 | struct v4l2_format *f) |
| 503 | { |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 504 | struct solo_dev *solo_dev = video_drvdata(file); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 505 | struct v4l2_pix_format *pix = &f->fmt.pix; |
| 506 | |
| 507 | pix->width = solo_dev->video_hsize; |
| 508 | pix->height = solo_vlines(solo_dev); |
| 509 | pix->pixelformat = V4L2_PIX_FMT_UYVY; |
Hans Verkuil | 016afda | 2013-03-12 18:43:21 -0300 | [diff] [blame] | 510 | pix->field = V4L2_FIELD_INTERLACED; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 511 | pix->sizeimage = solo_image_size(solo_dev); |
| 512 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 513 | pix->bytesperline = solo_bytesperline(solo_dev); |
Hans Verkuil | 016afda | 2013-03-12 18:43:21 -0300 | [diff] [blame] | 514 | pix->priv = 0; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 515 | |
| 516 | return 0; |
| 517 | } |
| 518 | |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 519 | static int solo_g_std(struct file *file, void *priv, v4l2_std_id *i) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 520 | { |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 521 | struct solo_dev *solo_dev = video_drvdata(file); |
| 522 | |
| 523 | if (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) |
| 524 | *i = V4L2_STD_NTSC_M; |
| 525 | else |
| 526 | *i = V4L2_STD_PAL; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 527 | return 0; |
| 528 | } |
| 529 | |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 530 | int solo_set_video_type(struct solo_dev *solo_dev, bool type) |
| 531 | { |
| 532 | int i; |
| 533 | |
| 534 | /* Make sure all video nodes are idle */ |
| 535 | if (vb2_is_busy(&solo_dev->vidq)) |
| 536 | return -EBUSY; |
| 537 | for (i = 0; i < solo_dev->nr_chans; i++) |
| 538 | if (vb2_is_busy(&solo_dev->v4l2_enc[i]->vidq)) |
| 539 | return -EBUSY; |
| 540 | solo_dev->video_type = type; |
| 541 | /* Reconfigure for the new standard */ |
| 542 | solo_disp_init(solo_dev); |
| 543 | solo_enc_init(solo_dev); |
| 544 | solo_tw28_init(solo_dev); |
| 545 | for (i = 0; i < solo_dev->nr_chans; i++) |
| 546 | solo_update_mode(solo_dev->v4l2_enc[i]); |
| 547 | return solo_v4l2_set_ch(solo_dev, solo_dev->cur_disp_ch); |
| 548 | } |
| 549 | |
| 550 | static int solo_s_std(struct file *file, void *priv, v4l2_std_id std) |
| 551 | { |
| 552 | struct solo_dev *solo_dev = video_drvdata(file); |
| 553 | |
| 554 | return solo_set_video_type(solo_dev, std & V4L2_STD_PAL); |
| 555 | } |
| 556 | |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 557 | static int solo_s_ctrl(struct v4l2_ctrl *ctrl) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 558 | { |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 559 | struct solo_dev *solo_dev = |
| 560 | container_of(ctrl->handler, struct solo_dev, disp_hdl); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 561 | |
| 562 | switch (ctrl->id) { |
| 563 | case V4L2_CID_MOTION_TRACE: |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 564 | if (ctrl->val) { |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 565 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, |
| 566 | SOLO_VI_MOTION_Y_ADD | |
| 567 | SOLO_VI_MOTION_Y_VALUE(0x20) | |
| 568 | SOLO_VI_MOTION_CB_VALUE(0x10) | |
| 569 | SOLO_VI_MOTION_CR_VALUE(0x10)); |
| 570 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, |
| 571 | SOLO_VI_MOTION_CR_ADD | |
| 572 | SOLO_VI_MOTION_Y_VALUE(0x10) | |
| 573 | SOLO_VI_MOTION_CB_VALUE(0x80) | |
| 574 | SOLO_VI_MOTION_CR_VALUE(0x10)); |
| 575 | } else { |
| 576 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BORDER, 0); |
| 577 | solo_reg_write(solo_dev, SOLO_VI_MOTION_BAR, 0); |
| 578 | } |
| 579 | return 0; |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 580 | default: |
| 581 | break; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 582 | } |
| 583 | return -EINVAL; |
| 584 | } |
| 585 | |
| 586 | static const struct v4l2_file_operations solo_v4l2_fops = { |
| 587 | .owner = THIS_MODULE, |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 588 | .open = v4l2_fh_open, |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 589 | .release = vb2_fop_release, |
| 590 | .read = vb2_fop_read, |
| 591 | .poll = vb2_fop_poll, |
| 592 | .mmap = vb2_fop_mmap, |
| 593 | .unlocked_ioctl = video_ioctl2, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 594 | }; |
| 595 | |
| 596 | static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = { |
| 597 | .vidioc_querycap = solo_querycap, |
| 598 | .vidioc_s_std = solo_s_std, |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 599 | .vidioc_g_std = solo_g_std, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 600 | /* Input callbacks */ |
| 601 | .vidioc_enum_input = solo_enum_input, |
| 602 | .vidioc_s_input = solo_set_input, |
| 603 | .vidioc_g_input = solo_get_input, |
| 604 | /* Video capture format callbacks */ |
| 605 | .vidioc_enum_fmt_vid_cap = solo_enum_fmt_cap, |
| 606 | .vidioc_try_fmt_vid_cap = solo_try_fmt_cap, |
| 607 | .vidioc_s_fmt_vid_cap = solo_set_fmt_cap, |
| 608 | .vidioc_g_fmt_vid_cap = solo_get_fmt_cap, |
| 609 | /* Streaming I/O */ |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 610 | .vidioc_reqbufs = vb2_ioctl_reqbufs, |
| 611 | .vidioc_querybuf = vb2_ioctl_querybuf, |
| 612 | .vidioc_qbuf = vb2_ioctl_qbuf, |
| 613 | .vidioc_dqbuf = vb2_ioctl_dqbuf, |
| 614 | .vidioc_streamon = vb2_ioctl_streamon, |
| 615 | .vidioc_streamoff = vb2_ioctl_streamoff, |
Hans Verkuil | 9416049 | 2013-03-12 18:47:03 -0300 | [diff] [blame] | 616 | /* Logging and events */ |
| 617 | .vidioc_log_status = v4l2_ctrl_log_status, |
| 618 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
| 619 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 620 | }; |
| 621 | |
| 622 | static struct video_device solo_v4l2_template = { |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 623 | .name = SOLO6X10_NAME, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 624 | .fops = &solo_v4l2_fops, |
| 625 | .ioctl_ops = &solo_v4l2_ioctl_ops, |
| 626 | .minor = -1, |
| 627 | .release = video_device_release, |
Hans Verkuil | 4c211ed | 2013-03-15 12:53:17 -0300 | [diff] [blame] | 628 | .tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL, |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 629 | }; |
| 630 | |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 631 | static const struct v4l2_ctrl_ops solo_ctrl_ops = { |
| 632 | .s_ctrl = solo_s_ctrl, |
| 633 | }; |
| 634 | |
| 635 | static const struct v4l2_ctrl_config solo_motion_trace_ctrl = { |
| 636 | .ops = &solo_ctrl_ops, |
| 637 | .id = V4L2_CID_MOTION_TRACE, |
| 638 | .name = "Motion Detection Trace", |
| 639 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 640 | .max = 1, |
| 641 | .step = 1, |
| 642 | }; |
| 643 | |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 644 | int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 645 | { |
| 646 | int ret; |
| 647 | int i; |
| 648 | |
| 649 | init_waitqueue_head(&solo_dev->disp_thread_wait); |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 650 | spin_lock_init(&solo_dev->slock); |
| 651 | mutex_init(&solo_dev->lock); |
| 652 | INIT_LIST_HEAD(&solo_dev->vidq_active); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 653 | |
| 654 | solo_dev->vfd = video_device_alloc(); |
| 655 | if (!solo_dev->vfd) |
| 656 | return -ENOMEM; |
| 657 | |
| 658 | *solo_dev->vfd = solo_v4l2_template; |
Hans Verkuil | d9ebd62 | 2013-03-25 05:36:44 -0300 | [diff] [blame] | 659 | solo_dev->vfd->v4l2_dev = &solo_dev->v4l2_dev; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 660 | solo_dev->vfd->queue = &solo_dev->vidq; |
| 661 | solo_dev->vfd->lock = &solo_dev->lock; |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 662 | v4l2_ctrl_handler_init(&solo_dev->disp_hdl, 1); |
| 663 | v4l2_ctrl_new_custom(&solo_dev->disp_hdl, &solo_motion_trace_ctrl, NULL); |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 664 | if (solo_dev->disp_hdl.error) { |
| 665 | ret = solo_dev->disp_hdl.error; |
| 666 | goto fail; |
| 667 | } |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 668 | solo_dev->vfd->ctrl_handler = &solo_dev->disp_hdl; |
Hans Verkuil | 9416049 | 2013-03-12 18:47:03 -0300 | [diff] [blame] | 669 | set_bit(V4L2_FL_USE_FH_PRIO, &solo_dev->vfd->flags); |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 670 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 671 | video_set_drvdata(solo_dev->vfd, solo_dev); |
| 672 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 673 | solo_dev->vidq.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 674 | solo_dev->vidq.io_modes = VB2_MMAP | VB2_USERPTR | VB2_READ; |
| 675 | solo_dev->vidq.ops = &solo_video_qops; |
| 676 | solo_dev->vidq.mem_ops = &vb2_dma_contig_memops; |
| 677 | solo_dev->vidq.drv_priv = solo_dev; |
| 678 | solo_dev->vidq.timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
| 679 | solo_dev->vidq.gfp_flags = __GFP_DMA32; |
| 680 | solo_dev->vidq.buf_struct_size = sizeof(struct solo_vb2_buf); |
| 681 | solo_dev->vidq.lock = &solo_dev->lock; |
| 682 | ret = vb2_queue_init(&solo_dev->vidq); |
| 683 | if (ret < 0) |
| 684 | goto fail; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 685 | |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 686 | solo_dev->alloc_ctx = vb2_dma_contig_init_ctx(&solo_dev->pdev->dev); |
| 687 | if (IS_ERR(solo_dev->alloc_ctx)) { |
| 688 | dev_err(&solo_dev->pdev->dev, "Can't allocate buffer context"); |
| 689 | return PTR_ERR(solo_dev->alloc_ctx); |
| 690 | } |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 691 | |
| 692 | /* Cycle all the channels and clear */ |
| 693 | for (i = 0; i < solo_dev->nr_chans; i++) { |
| 694 | solo_v4l2_set_ch(solo_dev, i); |
| 695 | while (erase_off(solo_dev)) |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 696 | /* Do nothing */; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | /* Set the default display channel */ |
| 700 | solo_v4l2_set_ch(solo_dev, 0); |
| 701 | while (erase_off(solo_dev)) |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 702 | /* Do nothing */; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 703 | |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 704 | ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, nr); |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 705 | if (ret < 0) |
| 706 | goto fail; |
Hans Verkuil | 6a2e65d | 2013-03-15 11:56:46 -0300 | [diff] [blame] | 707 | |
| 708 | snprintf(solo_dev->vfd->name, sizeof(solo_dev->vfd->name), "%s (%i)", |
| 709 | SOLO6X10_NAME, solo_dev->vfd->num); |
| 710 | |
| 711 | dev_info(&solo_dev->pdev->dev, "Display as /dev/video%d with " |
| 712 | "%d inputs (%d extended)\n", solo_dev->vfd->num, |
| 713 | solo_dev->nr_chans, solo_dev->nr_ext); |
| 714 | |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 715 | return 0; |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 716 | |
| 717 | fail: |
| 718 | video_device_release(solo_dev->vfd); |
| 719 | vb2_dma_contig_cleanup_ctx(solo_dev->alloc_ctx); |
| 720 | v4l2_ctrl_handler_free(&solo_dev->disp_hdl); |
| 721 | solo_dev->vfd = NULL; |
| 722 | return ret; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 723 | } |
| 724 | |
Krzysztof Hałasa | decebab | 2011-02-11 13:38:20 +0100 | [diff] [blame] | 725 | void solo_v4l2_exit(struct solo_dev *solo_dev) |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 726 | { |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 727 | if (solo_dev->vfd == NULL) |
| 728 | return; |
| 729 | |
| 730 | video_unregister_device(solo_dev->vfd); |
Hans Verkuil | a4056c2 | 2013-03-15 12:11:17 -0300 | [diff] [blame] | 731 | vb2_dma_contig_cleanup_ctx(solo_dev->alloc_ctx); |
Hans Verkuil | c813bd3 | 2013-03-25 05:38:14 -0300 | [diff] [blame] | 732 | v4l2_ctrl_handler_free(&solo_dev->disp_hdl); |
Hans Verkuil | dcae5da | 2013-03-25 05:35:17 -0300 | [diff] [blame] | 733 | solo_dev->vfd = NULL; |
Ben Collins | faa4fd2 | 2010-06-17 13:27:26 -0400 | [diff] [blame] | 734 | } |