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_CH05]; |
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_CH05]); |
| 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 | { |
Laurent Pinchart | 50462eb | 2009-12-10 11:47:13 -0200 | [diff] [blame] | 97 | struct video_device *vdev = video_devdata(file); |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 98 | struct cx25821_dev *dev = video_drvdata(file); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 99 | struct cx25821_fh *fh; |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 100 | enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 101 | u32 pix_format; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 102 | |
Laurent Pinchart | 50462eb | 2009-12-10 11:47:13 -0200 | [diff] [blame] | 103 | printk("open dev=%s type=%s\n", video_device_node_name(vdev), |
| 104 | v4l2_type_names[type]); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 105 | |
| 106 | /* allocate + initialize per filehandle data */ |
| 107 | fh = kzalloc(sizeof(*fh), GFP_KERNEL); |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 108 | if (NULL == fh) |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 109 | return -ENOMEM; |
Laurent Pinchart | 63b0d5a | 2009-12-10 11:44:04 -0200 | [diff] [blame] | 110 | |
| 111 | lock_kernel(); |
| 112 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 113 | file->private_data = fh; |
| 114 | fh->dev = dev; |
| 115 | fh->type = type; |
| 116 | fh->width = 720; |
| 117 | |
| 118 | if (dev->tvnorm & V4L2_STD_PAL_BG || dev->tvnorm & V4L2_STD_PAL_DK) |
| 119 | fh->height = 576; |
| 120 | else |
| 121 | fh->height = 480; |
| 122 | |
| 123 | dev->channel_opened = SRAM_CH05; |
| 124 | pix_format = |
| 125 | (dev->pixel_formats[dev->channel_opened] == |
| 126 | PIXEL_FRMT_411) ? V4L2_PIX_FMT_Y41P : V4L2_PIX_FMT_YUYV; |
| 127 | fh->fmt = format_by_fourcc(pix_format); |
| 128 | |
| 129 | v4l2_prio_open(&dev->prio, &fh->prio); |
| 130 | |
| 131 | videobuf_queue_sg_init(&fh->vidq, &cx25821_video_qops, |
| 132 | &dev->pci->dev, &dev->slock, |
| 133 | V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 134 | V4L2_FIELD_INTERLACED, |
| 135 | sizeof(struct cx25821_buffer), fh); |
| 136 | |
| 137 | dprintk(1, "post videobuf_queue_init()\n"); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 138 | unlock_kernel(); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 139 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 140 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 141 | } |
| 142 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 143 | static ssize_t video_read(struct file *file, char __user * data, size_t count, |
| 144 | loff_t * ppos) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 145 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 146 | struct cx25821_fh *fh = file->private_data; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 147 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 148 | switch (fh->type) { |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 149 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 150 | if (res_locked(fh->dev, RESOURCE_VIDEO5)) |
| 151 | return -EBUSY; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 152 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 153 | return videobuf_read_one(&fh->vidq, data, count, ppos, |
| 154 | file->f_flags & O_NONBLOCK); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 155 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 156 | default: |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 157 | BUG(); |
| 158 | return 0; |
| 159 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 160 | } |
| 161 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 162 | static unsigned int video_poll(struct file *file, |
| 163 | struct poll_table_struct *wait) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 164 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 165 | struct cx25821_fh *fh = file->private_data; |
| 166 | struct cx25821_buffer *buf; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 167 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 168 | if (res_check(fh, RESOURCE_VIDEO5)) { |
| 169 | /* streaming capture */ |
| 170 | if (list_empty(&fh->vidq.stream)) |
| 171 | return POLLERR; |
| 172 | buf = list_entry(fh->vidq.stream.next, |
| 173 | struct cx25821_buffer, vb.stream); |
| 174 | } else { |
| 175 | /* read() capture */ |
| 176 | buf = (struct cx25821_buffer *)fh->vidq.read_buf; |
| 177 | if (NULL == buf) |
| 178 | return POLLERR; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 179 | } |
| 180 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 181 | poll_wait(file, &buf->vb.done, wait); |
| 182 | if (buf->vb.state == VIDEOBUF_DONE || buf->vb.state == VIDEOBUF_ERROR) { |
| 183 | if (buf->vb.state == VIDEOBUF_DONE) { |
| 184 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 185 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 186 | if (dev && dev->use_cif_resolution[SRAM_CH05]) { |
| 187 | u8 cam_id = *((char *)buf->vb.baddr + 3); |
| 188 | memcpy((char *)buf->vb.baddr, |
| 189 | (char *)buf->vb.baddr + (fh->width * 2), |
| 190 | (fh->width * 2)); |
| 191 | *((char *)buf->vb.baddr + 3) = cam_id; |
| 192 | } |
| 193 | } |
| 194 | |
| 195 | return POLLIN | POLLRDNORM; |
| 196 | } |
| 197 | |
| 198 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 199 | } |
| 200 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 201 | static int video_release(struct file *file) |
| 202 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 203 | struct cx25821_fh *fh = file->private_data; |
| 204 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 205 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 206 | //stop the risc engine and fifo |
| 207 | cx_write(channel5->dma_ctl, 0); /* FIFO and RISC disable */ |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 208 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 209 | /* stop video capture */ |
| 210 | if (res_check(fh, RESOURCE_VIDEO5)) { |
| 211 | videobuf_queue_cancel(&fh->vidq); |
| 212 | res_free(dev, fh, RESOURCE_VIDEO5); |
| 213 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 214 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 215 | if (fh->vidq.read_buf) { |
| 216 | buffer_release(&fh->vidq, fh->vidq.read_buf); |
| 217 | kfree(fh->vidq.read_buf); |
| 218 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 219 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 220 | videobuf_mmap_free(&fh->vidq); |
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 | v4l2_prio_close(&dev->prio, &fh->prio); |
| 223 | file->private_data = NULL; |
| 224 | kfree(fh); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 225 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 226 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 227 | } |
| 228 | |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 229 | static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) |
| 230 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 231 | struct cx25821_fh *fh = priv; |
| 232 | struct cx25821_dev *dev = fh->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 233 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 234 | if (unlikely(fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)) { |
| 235 | return -EINVAL; |
| 236 | } |
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 | if (unlikely(i != fh->type)) { |
| 239 | return -EINVAL; |
| 240 | } |
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 | if (unlikely(!res_get(dev, fh, get_resource(fh, RESOURCE_VIDEO5)))) { |
| 243 | return -EBUSY; |
| 244 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 245 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 246 | return videobuf_streamon(get_queue(fh)); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 247 | } |
| 248 | |
| 249 | static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) |
| 250 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 251 | struct cx25821_fh *fh = priv; |
| 252 | struct cx25821_dev *dev = fh->dev; |
| 253 | int err, res; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 254 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 255 | if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 256 | return -EINVAL; |
| 257 | if (i != fh->type) |
| 258 | return -EINVAL; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 259 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 260 | res = get_resource(fh, RESOURCE_VIDEO5); |
| 261 | err = videobuf_streamoff(get_queue(fh)); |
| 262 | if (err < 0) |
| 263 | return err; |
| 264 | res_free(dev, fh, res); |
| 265 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 266 | } |
| 267 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 268 | static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, |
| 269 | struct v4l2_format *f) |
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 | struct cx25821_fh *fh = priv; |
| 272 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 273 | int err; |
| 274 | int pix_format = 0; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 275 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 276 | if (fh) { |
| 277 | err = v4l2_prio_check(&dev->prio, &fh->prio); |
| 278 | if (0 != err) |
| 279 | return err; |
| 280 | } |
| 281 | |
| 282 | dprintk(2, "%s()\n", __func__); |
| 283 | err = vidioc_try_fmt_vid_cap(file, priv, f); |
| 284 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 285 | if (0 != err) |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 286 | return err; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 287 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 288 | fh->fmt = format_by_fourcc(f->fmt.pix.pixelformat); |
| 289 | fh->vidq.field = f->fmt.pix.field; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 290 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 291 | // check if width and height is valid based on set standard |
| 292 | if (is_valid_width(f->fmt.pix.width, dev->tvnorm)) { |
| 293 | fh->width = f->fmt.pix.width; |
| 294 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 295 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 296 | if (is_valid_height(f->fmt.pix.height, dev->tvnorm)) { |
| 297 | fh->height = f->fmt.pix.height; |
| 298 | } |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 299 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 300 | if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_Y41P) |
| 301 | pix_format = PIXEL_FRMT_411; |
| 302 | else if (f->fmt.pix.pixelformat == V4L2_PIX_FMT_YUYV) |
| 303 | pix_format = PIXEL_FRMT_422; |
| 304 | else |
| 305 | return -EINVAL; |
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 | cx25821_set_pixel_format(dev, SRAM_CH05, pix_format); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 308 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 309 | // check if cif resolution |
| 310 | if (fh->width == 320 || fh->width == 352) { |
| 311 | dev->use_cif_resolution[SRAM_CH05] = 1; |
| 312 | } else { |
| 313 | dev->use_cif_resolution[SRAM_CH05] = 0; |
| 314 | } |
| 315 | dev->cif_width[SRAM_CH05] = fh->width; |
| 316 | medusa_set_resolution(dev, fh->width, SRAM_CH05); |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 317 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 318 | dprintk(2, "%s() width=%d height=%d field=%d\n", __func__, fh->width, |
| 319 | fh->height, fh->vidq.field); |
| 320 | cx25821_call_all(dev, video, s_fmt, f); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 321 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 322 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 323 | } |
| 324 | |
| 325 | static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) |
| 326 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 327 | int ret_val = 0; |
| 328 | struct cx25821_fh *fh = priv; |
| 329 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 330 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 331 | 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] | 332 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 333 | p->sequence = dev->vidq[SRAM_CH05].count; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 334 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 335 | return ret_val; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 336 | } |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 337 | static int vidioc_log_status(struct file *file, void *priv) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 338 | { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 339 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 340 | char name[32 + 2]; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 341 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 342 | struct sram_channel *sram_ch = &dev->sram_channels[SRAM_CH05]; |
| 343 | u32 tmp = 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 344 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 345 | snprintf(name, sizeof(name), "%s/2", dev->name); |
| 346 | printk(KERN_INFO "%s/2: ============ START LOG STATUS ============\n", |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 347 | dev->name); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 348 | cx25821_call_all(dev, core, log_status); |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 349 | |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 350 | tmp = cx_read(sram_ch->dma_ctl); |
| 351 | printk(KERN_INFO "Video input 5 is %s\n", |
| 352 | (tmp & 0x11) ? "streaming" : "stopped"); |
| 353 | printk(KERN_INFO "%s/2: ============= END LOG STATUS =============\n", |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 354 | dev->name); |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 355 | return 0; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | static int vidioc_s_ctrl(struct file *file, void *priv, |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 359 | struct v4l2_control *ctl) |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 360 | { |
| 361 | struct cx25821_fh *fh = priv; |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 362 | struct cx25821_dev *dev = ((struct cx25821_fh *)priv)->dev; |
| 363 | int err; |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 364 | |
Mauro Carvalho Chehab | bb4c9a7 | 2009-09-13 11:25:45 -0300 | [diff] [blame] | 365 | if (fh) { |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 366 | err = v4l2_prio_check(&dev->prio, &fh->prio); |
| 367 | if (0 != err) |
| 368 | return err; |
| 369 | } |
| 370 | |
| 371 | return cx25821_set_control(dev, ctl, SRAM_CH05); |
| 372 | } |
| 373 | |
| 374 | // exported stuff |
| 375 | static const struct v4l2_file_operations video_fops = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 376 | .owner = THIS_MODULE, |
| 377 | .open = video_open, |
| 378 | .release = video_release, |
| 379 | .read = video_read, |
| 380 | .poll = video_poll, |
| 381 | .mmap = video_mmap, |
| 382 | .ioctl = video_ioctl2, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 383 | }; |
| 384 | |
| 385 | static const struct v4l2_ioctl_ops video_ioctl_ops = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 386 | .vidioc_querycap = vidioc_querycap, |
| 387 | .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap, |
| 388 | .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, |
| 389 | .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, |
| 390 | .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, |
| 391 | .vidioc_reqbufs = vidioc_reqbufs, |
| 392 | .vidioc_querybuf = vidioc_querybuf, |
| 393 | .vidioc_qbuf = vidioc_qbuf, |
| 394 | .vidioc_dqbuf = vidioc_dqbuf, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 395 | #ifdef TUNER_FLAG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 396 | .vidioc_s_std = vidioc_s_std, |
| 397 | .vidioc_querystd = vidioc_querystd, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 398 | #endif |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 399 | .vidioc_cropcap = vidioc_cropcap, |
| 400 | .vidioc_s_crop = vidioc_s_crop, |
| 401 | .vidioc_g_crop = vidioc_g_crop, |
| 402 | .vidioc_enum_input = vidioc_enum_input, |
| 403 | .vidioc_g_input = vidioc_g_input, |
| 404 | .vidioc_s_input = vidioc_s_input, |
| 405 | .vidioc_g_ctrl = vidioc_g_ctrl, |
| 406 | .vidioc_s_ctrl = vidioc_s_ctrl, |
| 407 | .vidioc_queryctrl = vidioc_queryctrl, |
| 408 | .vidioc_streamon = vidioc_streamon, |
| 409 | .vidioc_streamoff = vidioc_streamoff, |
| 410 | .vidioc_log_status = vidioc_log_status, |
| 411 | .vidioc_g_priority = vidioc_g_priority, |
| 412 | .vidioc_s_priority = vidioc_s_priority, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 413 | #ifdef CONFIG_VIDEO_V4L1_COMPAT |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 414 | .vidiocgmbuf = vidiocgmbuf, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 415 | #endif |
| 416 | #ifdef TUNER_FLAG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 417 | .vidioc_g_tuner = vidioc_g_tuner, |
| 418 | .vidioc_s_tuner = vidioc_s_tuner, |
| 419 | .vidioc_g_frequency = vidioc_g_frequency, |
| 420 | .vidioc_s_frequency = vidioc_s_frequency, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 421 | #endif |
| 422 | #ifdef CONFIG_VIDEO_ADV_DEBUG |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 423 | .vidioc_g_register = vidioc_g_register, |
| 424 | .vidioc_s_register = vidioc_s_register, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 425 | #endif |
| 426 | }; |
| 427 | |
| 428 | struct video_device cx25821_video_template5 = { |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 429 | .name = "cx25821-video", |
| 430 | .fops = &video_fops, |
Mauro Carvalho Chehab | 1a9fc85 | 2009-09-13 11:30:11 -0300 | [diff] [blame] | 431 | .ioctl_ops = &video_ioctl_ops, |
| 432 | .tvnorms = CX25821_NORMS, |
| 433 | .current_norm = V4L2_STD_NTSC_M, |
Mauro Carvalho Chehab | 02b20b0 | 2009-09-15 11:33:54 -0300 | [diff] [blame] | 434 | }; |