Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Driver for the Conexant CX25821 PCIe bridge |
| 3 | * |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 4 | * Copyright (C) 2009 Conexant Systems Inc. |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 5 | * Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com> |
| 6 | * Based on Steven Toth <stoth@linuxtv.org> cx23885 driver |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * |
| 17 | * GNU General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License |
| 20 | * along with this program; if not, write to the Free Software |
| 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | */ |
| 23 | |
| 24 | #include "cx25821-video.h" |
| 25 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 26 | static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) |
| 27 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 28 | struct cx25821_buffer *buf = |
| 29 | container_of(vb, struct cx25821_buffer, vb); |
| 30 | struct cx25821_buffer *prev; |
| 31 | struct cx25821_fh *fh = vq->priv_data; |
| 32 | struct cx25821_dev *dev = fh->dev; |
| 33 | struct cx25821_dmaqueue *q = &dev->vidq[SRAM_CH01]; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 34 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 35 | /* add jump to stopper */ |
| 36 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); |
| 37 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); |
| 38 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 39 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 40 | dprintk(2, "jmp to stopper (0x%x)\n", buf->risc.jmp[1]); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 41 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 42 | if (!list_empty(&q->queued)) { |
| 43 | list_add_tail(&buf->vb.queue, &q->queued); |
| 44 | buf->vb.state = VIDEOBUF_QUEUED; |
| 45 | dprintk(2, "[%p/%d] buffer_queue - append to queued\n", buf, |
| 46 | buf->vb.i); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 47 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 48 | } else if (list_empty(&q->active)) { |
| 49 | list_add_tail(&buf->vb.queue, &q->active); |
| 50 | cx25821_start_video_dma(dev, q, buf, |
| 51 | &dev->sram_channels[SRAM_CH01]); |
| 52 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 53 | buf->count = q->count++; |
| 54 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); |
| 55 | dprintk(2, |
| 56 | "[%p/%d] buffer_queue - first active, buf cnt = %d, q->count = %d\n", |
| 57 | buf, buf->vb.i, buf->count, q->count); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 58 | } else { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 59 | prev = |
| 60 | list_entry(q->active.prev, struct cx25821_buffer, vb.queue); |
| 61 | if (prev->vb.width == buf->vb.width |
| 62 | && prev->vb.height == buf->vb.height |
| 63 | && prev->fmt == buf->fmt) { |
| 64 | list_add_tail(&buf->vb.queue, &q->active); |
| 65 | buf->vb.state = VIDEOBUF_ACTIVE; |
| 66 | buf->count = q->count++; |
| 67 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 68 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 69 | /* 64 bit bits 63-32 */ |
| 70 | prev->risc.jmp[2] = cpu_to_le32(0); |
| 71 | dprintk(2, |
| 72 | "[%p/%d] buffer_queue - append to active, buf->count=%d\n", |
| 73 | buf, buf->vb.i, buf->count); |
| 74 | |
| 75 | } else { |
| 76 | list_add_tail(&buf->vb.queue, &q->queued); |
| 77 | buf->vb.state = VIDEOBUF_QUEUED; |
| 78 | dprintk(2, "[%p/%d] buffer_queue - first queued\n", buf, |
| 79 | buf->vb.i); |
| 80 | } |
| 81 | } |
| 82 | |
| 83 | if (list_empty(&q->active)) { |
| 84 | dprintk(2, "active queue empty!\n"); |
| 85 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 86 | } |
| 87 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 88 | static struct videobuf_queue_ops cx25821_video_qops = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 89 | .buf_setup = buffer_setup, |
| 90 | .buf_prepare = buffer_prepare, |
| 91 | .buf_queue = buffer_queue, |
| 92 | .buf_release = buffer_release, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 93 | }; |
| 94 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 95 | static int video_open(struct file *file) |
| 96 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 97 | int minor = video_devdata(file)->minor; |
| 98 | struct cx25821_dev *h, *dev = NULL; |
| 99 | struct cx25821_fh *fh; |
| 100 | struct list_head *list; |
| 101 | enum v4l2_buf_type type = 0; |
| 102 | u32 pix_format; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 103 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 104 | lock_kernel(); |
| 105 | list_for_each(list, &cx25821_devlist) { |
| 106 | h = list_entry(list, struct cx25821_dev, devlist); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 107 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 108 | if (h->video_dev[SRAM_CH01] |
| 109 | && h->video_dev[SRAM_CH01]->minor == minor) { |
| 110 | dev = h; |
| 111 | type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 112 | } |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 113 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 114 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 115 | if (NULL == dev) { |
| 116 | unlock_kernel(); |
| 117 | return -ENODEV; |
| 118 | } |
| 119 | |
| 120 | printk("open minor=%d type=%s\n", minor, v4l2_type_names[type]); |
| 121 | |
| 122 | /* allocate + initialize per filehandle data */ |
| 123 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
| 124 | if (NULL == fh) { |
| 125 | unlock_kernel(); |
| 126 | return -ENOMEM; |
| 127 | } |
| 128 | |
| 129 | file->private_data = fh; |
| 130 | fh->dev = dev; |
| 131 | fh->type = type; |
| 132 | fh->width = 720; |
| 133 | |
| 134 | if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) |
| 135 | fh->height = 576; |
| 136 | else |
| 137 | fh->height = 480; |
| 138 | |
| 139 | dev->channel_opened = SRAM_CH01; |
| 140 | pix_format = |
| 141 | (dev->pixel_formats[dev->channel_opened] == |
| 142 | PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; |
| 143 | fh->fmt = format_by_fourcc(pix_format); |
| 144 | |
| 145 | v4l2_prio_open(&dev->prio, &fh->prio); |
| 146 | |
| 147 | videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, |
| 148 | &dev->pci->dev, &dev->slock, |
| 149 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 150 | V4L2_FIELD_INTERLACED, |
| 151 | sizeof(struct cx25821_buffer), fh); |
| 152 | |
| 153 | dprintk(1, "post videobuf_queue_init()\n"); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 154 | unlock_kernel(); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 155 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 156 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 157 | } |
| 158 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 159 | static ssize_t video_read(struct file *file, char __user * data, size_t count, |
| 160 | loff_t * ppos) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 161 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 162 | struct cx25821_fh *fh = file->private_data; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 163 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 164 | switch (fh->type) { |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 165 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 166 | if (res_locked(fh->dev, RESOURCE_VIDEO1)) |
| 167 | return -EBUSY; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 168 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 169 | return videobuf_read_one(&fh->vidq, data, count, ppos, |
| 170 | file->f_flags & O_NONBLOCK); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 171 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 172 | default: |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 173 | BUG(); |
| 174 | return 0; |
| 175 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 176 | } |
| 177 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 178 | static unsigned int video_poll(struct file *file, |
| 179 | struct poll_table_struct *wait) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 180 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 181 | struct cx25821_fh *fh = file->private_data; |
| 182 | struct cx25821_buffer *buf; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 183 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 184 | if (res_check(fh, RESOURCE_VIDEO1)) { |
| 185 | /* streaming capture */ |
| 186 | if (list_empty(&fh->vidq.stream)) |
| 187 | return POLLERR; |
| 188 | buf = list_entry(fh->vidq.stream.next, |
| 189 | struct cx25821_buffer, vb.stream); |
| 190 | } else { |
| 191 | /* read() capture */ |
| 192 | buf = (struct cx25821_buffer *)fh->vidq.read_buf; |
| 193 | if (NULL == buf) |
| 194 | return POLLERR; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 195 | } |
| 196 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 197 | poll_wait(file, &buf->vb.done, wait); |
| 198 | if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) { |
| 199 | if (buf->vb.state == VIDEOBUF_DONE) { |
| 200 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 201 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 202 | if (dev && dev->use_cif_resolution[SRAM_CH01]) { |
| 203 | u8 cam_id = *((char *)buf->vb.baddr + 3); |
| 204 | memcpy((char *)buf->vb.baddr, |
| 205 | (char *)buf->vb.baddr + (fh->width * 2), |
| 206 | (fh->width * 2)); |
| 207 | *((char *)buf->vb.baddr + 3) = cam_id; |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | return POLLIN | POLLRDNORM; |
| 212 | } |
| 213 | |
| 214 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | static int video_release(struct file *file) |
| 218 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 219 | struct cx25821_fh *fh = file->private_data; |
| 220 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 221 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 222 | //stop the risc engine and fifo |
| 223 | cx_write(channel1->dma_ctl, 0); /* FIFO and RISC disable */ |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 224 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 225 | /* stop video capture */ |
| 226 | if (res_check(fh, RESOURCE_VIDEO1)) { |
| 227 | videobuf_queue_cancel(&fh->vidq); |
| 228 | res_free(dev, fh, RESOURCE_VIDEO1); |
| 229 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 230 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 231 | if (fh->vidq.read_buf) { |
| 232 | buffer_release(&fh->vidq, fh->vidq.read_buf); |
| 233 | kfree(fh->vidq.read_buf); |
| 234 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 235 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 236 | videobuf_mmap_free(&fh->vidq); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 237 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 238 | v4l2_prio_close(&dev->prio, &fh->prio); |
| 239 | file->private_data = NULL; |
| 240 | kfree(fh); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 241 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 242 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 243 | } |
| 244 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 245 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
| 246 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 247 | struct cx25821_fh *fh = priv; |
| 248 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 249 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 250 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) { |
| 251 | return -EINVAL; |
| 252 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 253 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 254 | if (unlikely(i != fh->type)) { |
| 255 | return -EINVAL; |
| 256 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 257 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 258 | if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO1)))) { |
| 259 | return -EBUSY; |
| 260 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 261 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 262 | return videobuf_streamon(get_queue(fh)); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 266 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 267 | struct cx25821_fh *fh = priv; |
| 268 | struct cx25821_dev *dev = fh->dev; |
| 269 | int err, res; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 270 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 271 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 272 | return -EINVAL; |
| 273 | if (i != fh->type) |
| 274 | return -EINVAL; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 275 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 276 | res = get_resource(fh, RESOURCE_VIDEO1); |
| 277 | err = videobuf_streamoff(get_queue(fh)); |
| 278 | if (err < 0) |
| 279 | return err; |
| 280 | res_free(dev, fh, res); |
| 281 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 282 | } |
| 283 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 284 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
| 285 | struct v4l2_format *f) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 286 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 287 | struct cx25821_fh *fh = priv; |
| 288 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 289 | int err; |
| 290 | int pix_format = 0; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 291 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 292 | if (fh) { |
| 293 | err = v4l2_prio_check(&dev->prio, &fh->prio); |
| 294 | if (0 != err) |
| 295 | return err; |
| 296 | } |
| 297 | |
| 298 | dprintk(2, "%s()\n", __func__); |
| 299 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
| 300 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 301 | if (0 != err) |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 302 | return err; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 303 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 304 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 305 | fh->vidq.field = f->fmt.pix.field; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 306 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 307 | // check if width and height is valid based on set standard |
| 308 | if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) { |
| 309 | fh->width = f->fmt.pix.width; |
| 310 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 311 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 312 | if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) { |
| 313 | fh->height = f->fmt.pix.height; |
| 314 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 315 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 316 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) |
| 317 | pix_format = PIXEL_FRMT_411; |
| 318 | else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) |
| 319 | pix_format = PIXEL_FRMT_422; |
| 320 | else |
| 321 | return -EINVAL; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 322 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 323 | cx25821_set_pixel_format(dev, SRAM_CH01, pix_format); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 324 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 325 | // check if cif resolution |
| 326 | if (fh->width == 320 || fh->width == 352) { |
| 327 | dev->use_cif_resolution[SRAM_CH01] = 1; |
| 328 | } else { |
| 329 | dev->use_cif_resolution[SRAM_CH01] = 0; |
| 330 | } |
| 331 | dev->cif_width[SRAM_CH01] = fh->width; |
| 332 | medusa_set_resolution(dev, fh->width, SRAM_CH01); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 333 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 334 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, |
| 335 | fh->height, fh->vidq.field); |
| 336 | cx25821_call_all(dev, video, s_fmt, f); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 337 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 338 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
| 342 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 343 | int ret_val = 0; |
| 344 | struct cx25821_fh *fh = priv; |
| 345 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 346 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 347 | ret_val = videobuf_dqbuf(get_queue(fh), p, file->f_flags & O_NONBLOCK); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 348 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 349 | p->sequence = dev->vidq[SRAM_CH01].count; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 350 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 351 | return ret_val; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 352 | } |
| 353 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 354 | static int vidioc_log_status(struct file *file, void *priv) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 355 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 356 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 357 | char name[32 + 2]; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 358 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 359 | struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH01]; |
| 360 | u32 tmp = 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 361 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 362 | snprintf(name, sizeof(name), "%s/2", dev->name); |
| 363 | printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 364 | dev->name); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 365 | cx25821_call_all(dev, core, log_status); |
| 366 | tmp = cx_read(sram_ch->dma_ctl); |
| 367 | printk(KERN_INFO "Video input 1 is %s\n", |
| 368 | (tmp & 0x11) ? "streaming" : "stopped"); |
| 369 | printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 370 | dev->name); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 371 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 372 | } |
| 373 | |
| 374 | static int vidioc_s_ctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 375 | struct v4l2_control *ctl) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 376 | { |
| 377 | struct cx25821_fh *fh = priv; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 378 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 379 | int err; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 380 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 381 | if (fh) { |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 382 | err = v4l2_prio_check(&dev->prio, &fh->prio); |
| 383 | if (0 != err) |
| 384 | return err; |
| 385 | } |
| 386 | |
| 387 | return cx25821_set_control(dev, ctl, SRAM_CH01); |
| 388 | } |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 389 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 390 | //exported stuff |
| 391 | static const struct v4l2_file_operations video_fops = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 392 | .owner = THIS_MODULE, |
| 393 | .open = video_open, |
| 394 | .release = video_release, |
| 395 | .read = video_read, |
| 396 | .poll = video_poll, |
| 397 | .mmap = video_mmap, |
| 398 | .ioctl = video_ioctl2, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 399 | }; |
| 400 | |
| 401 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 402 | .vidioc_querycap = vidioc_querycap, |
| 403 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 404 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 405 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 406 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 407 | .vidioc_reqbufs = vidioc_reqbufs, |
| 408 | .vidioc_querybuf = vidioc_querybuf, |
| 409 | .vidioc_qbuf = vidioc_qbuf, |
| 410 | .vidioc_dqbuf = vidioc_dqbuf, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 411 | #ifdef TUNER_FLAG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 412 | .vidioc_s_std = vidioc_s_std, |
| 413 | .vidioc_querystd = vidioc_querystd, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 414 | #endif |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 415 | .vidioc_cropcap = vidioc_cropcap, |
| 416 | .vidioc_s_crop = vidioc_s_crop, |
| 417 | .vidioc_g_crop = vidioc_g_crop, |
| 418 | .vidioc_enum_input = vidioc_enum_input, |
| 419 | .vidioc_g_input = vidioc_g_input, |
| 420 | .vidioc_s_input = vidioc_s_input, |
| 421 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 422 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 423 | .vidioc_queryctrl = vidioc_queryctrl, |
| 424 | .vidioc_streamon = vidioc_streamon, |
| 425 | .vidioc_streamoff = vidioc_streamoff, |
| 426 | .vidioc_log_status = vidioc_log_status, |
| 427 | .vidioc_g_priority = vidioc_g_priority, |
| 428 | .vidioc_s_priority = vidioc_s_priority, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 429 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 430 | .vidiocgmbuf = vidiocgmbuf, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 431 | #endif |
| 432 | #ifdef TUNER_FLAG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 433 | .vidioc_g_tuner = vidioc_g_tuner, |
| 434 | .vidioc_s_tuner = vidioc_s_tuner, |
| 435 | .vidioc_g_frequency = vidioc_g_frequency, |
| 436 | .vidioc_s_frequency = vidioc_s_frequency, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 437 | #endif |
| 438 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 439 | .vidioc_g_register = vidioc_g_register, |
| 440 | .vidioc_s_register = vidioc_s_register, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 441 | #endif |
| 442 | }; |
| 443 | |
| 444 | struct video_device cx25821_video_template1 = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 445 | .name = "cx25821-video", |
| 446 | .fops = &video_fops, |
| 447 | .minor = -1, |
| 448 | .ioctl_ops = &video_ioctl_ops, |
| 449 | .tvnorms = CX25821_NORMS, |
| 450 | .current_norm = V4L2_STD_NTSC_M, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 451 | }; |