Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2 | * Driver for the VINO (Video In No Out) system found in SGI Indys. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General Public |
| 5 | * License version 2 as published by the Free Software Foundation. |
| 6 | * |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 7 | * Copyright (C) 2004,2005 Mikael Nousiainen <tmnousia@cc.hut.fi> |
| 8 | * |
| 9 | * Based on the previous version of the driver for 2.4 kernels by: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 10 | * Copyright (C) 2003 Ladislav Michl <ladis@linux-mips.org> |
Hans Verkuil | a99e30d | 2009-03-06 12:15:08 -0300 | [diff] [blame] | 11 | * |
| 12 | * v4l2_device/v4l2_subdev conversion by: |
| 13 | * Copyright (C) 2009 Hans Verkuil <hverkuil@xs4all.nl> |
| 14 | * |
| 15 | * Note: this conversion is untested! Please contact the linux-media |
| 16 | * mailinglist if you can test this, together with the test results. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | */ |
| 18 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 19 | /* |
| 20 | * TODO: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 21 | * - remove "mark pages reserved-hacks" from memory allocation code |
Nick Piggin | 3c18ddd | 2008-04-28 02:12:10 -0700 | [diff] [blame] | 22 | * and implement fault() |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 23 | * - check decimation, calculating and reporting image size when |
| 24 | * using decimation |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 25 | * - implement read(), user mode buffers and overlay (?) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 26 | */ |
| 27 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | #include <linux/init.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 29 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/delay.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 31 | #include <linux/dma-mapping.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 32 | #include <linux/errno.h> |
| 33 | #include <linux/fs.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 34 | #include <linux/interrupt.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 35 | #include <linux/kernel.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 36 | #include <linux/slab.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 37 | #include <linux/mm.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 38 | #include <linux/time.h> |
| 39 | #include <linux/version.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 40 | #include <linux/kmod.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | #include <linux/i2c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Hans Verkuil | 33b687c | 2008-07-25 05:32:50 -0300 | [diff] [blame] | 44 | #include <linux/videodev2.h> |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 45 | #include <media/v4l2-device.h> |
Yoichi Yuasa | c2cfcf7 | 2008-07-29 05:30:58 -0300 | [diff] [blame] | 46 | #include <media/v4l2-ioctl.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 47 | #include <linux/mutex.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 48 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | #include <asm/paccess.h> |
| 50 | #include <asm/io.h> |
| 51 | #include <asm/sgi/ip22.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | #include <asm/sgi/mc.h> |
| 53 | |
| 54 | #include "vino.h" |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 55 | #include "saa7191.h" |
| 56 | #include "indycam.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 58 | /* Uncomment the following line to get lots and lots of (mostly useless) |
| 59 | * debug info. |
| 60 | * Note that the debug output also slows down the driver significantly */ |
| 61 | // #define VINO_DEBUG |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 62 | // #define VINO_DEBUG_INT |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 63 | |
Hans Verkuil | 3ff4ad8 | 2009-04-01 03:15:52 -0300 | [diff] [blame] | 64 | #define VINO_MODULE_VERSION "0.0.6" |
| 65 | #define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 6) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 66 | |
| 67 | MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); |
| 68 | MODULE_VERSION(VINO_MODULE_VERSION); |
| 69 | MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); |
| 70 | MODULE_LICENSE("GPL"); |
| 71 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 72 | #ifdef VINO_DEBUG |
| 73 | #define dprintk(x...) printk("VINO: " x); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | #else |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 75 | #define dprintk(x...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | #endif |
| 77 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 78 | #define VINO_NO_CHANNEL 0 |
| 79 | #define VINO_CHANNEL_A 1 |
| 80 | #define VINO_CHANNEL_B 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 82 | #define VINO_PAL_WIDTH 768 |
| 83 | #define VINO_PAL_HEIGHT 576 |
| 84 | #define VINO_NTSC_WIDTH 640 |
| 85 | #define VINO_NTSC_HEIGHT 480 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 87 | #define VINO_MIN_WIDTH 32 |
| 88 | #define VINO_MIN_HEIGHT 32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 90 | #define VINO_CLIPPING_START_ODD_D1 1 |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 91 | #define VINO_CLIPPING_START_ODD_PAL 15 |
| 92 | #define VINO_CLIPPING_START_ODD_NTSC 12 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 93 | |
| 94 | #define VINO_CLIPPING_START_EVEN_D1 2 |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 95 | #define VINO_CLIPPING_START_EVEN_PAL 15 |
| 96 | #define VINO_CLIPPING_START_EVEN_NTSC 12 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 97 | |
| 98 | #define VINO_INPUT_CHANNEL_COUNT 3 |
| 99 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 100 | /* the number is the index for vino_inputs */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 101 | #define VINO_INPUT_NONE -1 |
| 102 | #define VINO_INPUT_COMPOSITE 0 |
| 103 | #define VINO_INPUT_SVIDEO 1 |
| 104 | #define VINO_INPUT_D1 2 |
| 105 | |
| 106 | #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) |
| 107 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 108 | #define VINO_FIFO_THRESHOLD_DEFAULT 16 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 109 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 110 | #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ |
| 111 | * VINO_PAL_HEIGHT * 4 \ |
| 112 | + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) |
| 113 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 114 | #define VINO_FRAMEBUFFER_COUNT_MAX 8 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 115 | |
| 116 | #define VINO_FRAMEBUFFER_UNUSED 0 |
| 117 | #define VINO_FRAMEBUFFER_IN_USE 1 |
| 118 | #define VINO_FRAMEBUFFER_READY 2 |
| 119 | |
| 120 | #define VINO_QUEUE_ERROR -1 |
| 121 | #define VINO_QUEUE_MAGIC 0x20050125 |
| 122 | |
| 123 | #define VINO_MEMORY_NONE 0 |
| 124 | #define VINO_MEMORY_MMAP 1 |
| 125 | #define VINO_MEMORY_USERPTR 2 |
| 126 | |
| 127 | #define VINO_DUMMY_DESC_COUNT 4 |
| 128 | #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ |
| 129 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 130 | #define VINO_MAX_FRAME_SKIP_COUNT 128 |
| 131 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 132 | /* the number is the index for vino_data_formats */ |
| 133 | #define VINO_DATA_FMT_NONE -1 |
| 134 | #define VINO_DATA_FMT_GREY 0 |
| 135 | #define VINO_DATA_FMT_RGB332 1 |
| 136 | #define VINO_DATA_FMT_RGB32 2 |
| 137 | #define VINO_DATA_FMT_YUV 3 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 138 | |
| 139 | #define VINO_DATA_FMT_COUNT 4 |
| 140 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 141 | /* the number is the index for vino_data_norms */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 142 | #define VINO_DATA_NORM_NONE -1 |
| 143 | #define VINO_DATA_NORM_NTSC 0 |
| 144 | #define VINO_DATA_NORM_PAL 1 |
| 145 | #define VINO_DATA_NORM_SECAM 2 |
| 146 | #define VINO_DATA_NORM_D1 3 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 147 | |
| 148 | #define VINO_DATA_NORM_COUNT 4 |
| 149 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame] | 150 | /* I2C controller flags */ |
| 151 | #define SGI_I2C_FORCE_IDLE (0 << 0) |
| 152 | #define SGI_I2C_NOT_IDLE (1 << 0) |
| 153 | #define SGI_I2C_WRITE (0 << 1) |
| 154 | #define SGI_I2C_READ (1 << 1) |
| 155 | #define SGI_I2C_RELEASE_BUS (0 << 2) |
| 156 | #define SGI_I2C_HOLD_BUS (1 << 2) |
| 157 | #define SGI_I2C_XFER_DONE (0 << 4) |
| 158 | #define SGI_I2C_XFER_BUSY (1 << 4) |
| 159 | #define SGI_I2C_ACK (0 << 5) |
| 160 | #define SGI_I2C_NACK (1 << 5) |
| 161 | #define SGI_I2C_BUS_OK (0 << 7) |
| 162 | #define SGI_I2C_BUS_ERR (1 << 7) |
| 163 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 164 | /* Internal data structure definitions */ |
| 165 | |
| 166 | struct vino_input { |
| 167 | char *name; |
| 168 | v4l2_std_id std; |
| 169 | }; |
| 170 | |
| 171 | struct vino_clipping { |
| 172 | unsigned int left, right, top, bottom; |
| 173 | }; |
| 174 | |
| 175 | struct vino_data_format { |
| 176 | /* the description */ |
| 177 | char *description; |
| 178 | /* bytes per pixel */ |
| 179 | unsigned int bpp; |
| 180 | /* V4L2 fourcc code */ |
| 181 | __u32 pixelformat; |
| 182 | /* V4L2 colorspace (duh!) */ |
| 183 | enum v4l2_colorspace colorspace; |
| 184 | }; |
| 185 | |
| 186 | struct vino_data_norm { |
| 187 | char *description; |
| 188 | unsigned int width, height; |
| 189 | struct vino_clipping odd; |
| 190 | struct vino_clipping even; |
| 191 | |
| 192 | v4l2_std_id std; |
| 193 | unsigned int fps_min, fps_max; |
| 194 | __u32 framelines; |
| 195 | }; |
| 196 | |
| 197 | struct vino_descriptor_table { |
| 198 | /* the number of PAGE_SIZE sized pages in the buffer */ |
| 199 | unsigned int page_count; |
| 200 | /* virtual (kmalloc'd) pointers to the actual data |
| 201 | * (in PAGE_SIZE chunks, used with mmap streaming) */ |
| 202 | unsigned long *virtual; |
| 203 | |
| 204 | /* cpu address for the VINO descriptor table |
| 205 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ |
| 206 | unsigned long *dma_cpu; |
| 207 | /* dma address for the VINO descriptor table |
| 208 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ |
| 209 | dma_addr_t dma; |
| 210 | }; |
| 211 | |
| 212 | struct vino_framebuffer { |
| 213 | /* identifier nubmer */ |
| 214 | unsigned int id; |
| 215 | /* the length of the whole buffer */ |
| 216 | unsigned int size; |
| 217 | /* the length of actual data in buffer */ |
| 218 | unsigned int data_size; |
| 219 | /* the data format */ |
| 220 | unsigned int data_format; |
| 221 | /* the state of buffer data */ |
| 222 | unsigned int state; |
| 223 | /* is the buffer mapped in user space? */ |
| 224 | unsigned int map_count; |
| 225 | /* memory offset for mmap() */ |
| 226 | unsigned int offset; |
| 227 | /* frame counter */ |
| 228 | unsigned int frame_counter; |
| 229 | /* timestamp (written when image capture finishes) */ |
| 230 | struct timeval timestamp; |
| 231 | |
| 232 | struct vino_descriptor_table desc_table; |
| 233 | |
| 234 | spinlock_t state_lock; |
| 235 | }; |
| 236 | |
| 237 | struct vino_framebuffer_fifo { |
| 238 | unsigned int length; |
| 239 | |
| 240 | unsigned int used; |
| 241 | unsigned int head; |
| 242 | unsigned int tail; |
| 243 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 244 | unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 245 | }; |
| 246 | |
| 247 | struct vino_framebuffer_queue { |
| 248 | unsigned int magic; |
| 249 | |
| 250 | /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */ |
| 251 | unsigned int type; |
| 252 | unsigned int length; |
| 253 | |
| 254 | /* data field of in and out contain index numbers for buffer */ |
| 255 | struct vino_framebuffer_fifo in; |
| 256 | struct vino_framebuffer_fifo out; |
| 257 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 258 | struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 259 | |
| 260 | spinlock_t queue_lock; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 261 | struct mutex queue_mutex; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 262 | wait_queue_head_t frame_wait_queue; |
| 263 | }; |
| 264 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 265 | struct vino_interrupt_data { |
| 266 | struct timeval timestamp; |
| 267 | unsigned int frame_counter; |
| 268 | unsigned int skip_count; |
| 269 | unsigned int skip; |
| 270 | }; |
| 271 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 272 | struct vino_channel_settings { |
| 273 | unsigned int channel; |
| 274 | |
| 275 | int input; |
| 276 | unsigned int data_format; |
| 277 | unsigned int data_norm; |
| 278 | struct vino_clipping clipping; |
| 279 | unsigned int decimation; |
| 280 | unsigned int line_size; |
| 281 | unsigned int alpha; |
| 282 | unsigned int fps; |
| 283 | unsigned int framert_reg; |
| 284 | |
| 285 | unsigned int fifo_threshold; |
| 286 | |
| 287 | struct vino_framebuffer_queue fb_queue; |
| 288 | |
| 289 | /* number of the current field */ |
| 290 | unsigned int field; |
| 291 | |
| 292 | /* read in progress */ |
| 293 | int reading; |
| 294 | /* streaming is active */ |
| 295 | int streaming; |
| 296 | /* the driver is currently processing the queue */ |
| 297 | int capturing; |
| 298 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 299 | struct mutex mutex; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 300 | spinlock_t capture_lock; |
| 301 | |
| 302 | unsigned int users; |
| 303 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 304 | struct vino_interrupt_data int_data; |
| 305 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 306 | /* V4L support */ |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 307 | struct video_device *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | }; |
| 309 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 310 | struct vino_settings { |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 311 | struct v4l2_device v4l2_dev; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 312 | struct vino_channel_settings a; |
| 313 | struct vino_channel_settings b; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 315 | /* the channel which owns this client: |
| 316 | * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */ |
| 317 | unsigned int decoder_owner; |
| 318 | struct v4l2_subdev *decoder; |
| 319 | unsigned int camera_owner; |
| 320 | struct v4l2_subdev *camera; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 322 | /* a lock for vino register access */ |
| 323 | spinlock_t vino_lock; |
| 324 | /* a lock for channel input changes */ |
| 325 | spinlock_t input_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | unsigned long dummy_page; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 328 | struct vino_descriptor_table dummy_desc_table; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 329 | }; |
| 330 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 331 | /* Module parameters */ |
| 332 | |
| 333 | /* |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 334 | * Using vino_pixel_conversion the ABGR32-format pixels supplied |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 335 | * by the VINO chip can be converted to more common formats |
| 336 | * like RGBA32 (or probably RGB24 in the future). This way we |
| 337 | * can give out data that can be specified correctly with |
| 338 | * the V4L2-definitions. |
| 339 | * |
| 340 | * The pixel format is specified as RGBA32 when no conversion |
| 341 | * is used. |
| 342 | * |
| 343 | * Note that this only affects the 32-bit bit depth. |
| 344 | * |
| 345 | * Use non-zero value to enable conversion. |
| 346 | */ |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 347 | static int vino_pixel_conversion; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 348 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 349 | module_param_named(pixelconv, vino_pixel_conversion, int, 0); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 350 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 351 | MODULE_PARM_DESC(pixelconv, |
| 352 | "enable pixel conversion (non-zero value enables)"); |
| 353 | |
| 354 | /* Internal data structures */ |
| 355 | |
| 356 | static struct sgi_vino *vino; |
| 357 | |
| 358 | static struct vino_settings *vino_drvdata; |
| 359 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 360 | #define camera_call(o, f, args...) \ |
| 361 | v4l2_subdev_call(vino_drvdata->camera, o, f, ##args) |
| 362 | #define decoder_call(o, f, args...) \ |
| 363 | v4l2_subdev_call(vino_drvdata->decoder, o, f, ##args) |
| 364 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 365 | static const char *vino_driver_name = "vino"; |
| 366 | static const char *vino_driver_description = "SGI VINO"; |
| 367 | static const char *vino_bus_name = "GIO64 bus"; |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 368 | static const char *vino_vdev_name_a = "SGI VINO Channel A"; |
| 369 | static const char *vino_vdev_name_b = "SGI VINO Channel B"; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 370 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 371 | static void vino_capture_tasklet(unsigned long channel); |
| 372 | |
| 373 | DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); |
| 374 | DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); |
| 375 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 376 | static const struct vino_input vino_inputs[] = { |
| 377 | { |
| 378 | .name = "Composite", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 379 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
| 380 | | V4L2_STD_SECAM, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 381 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 382 | .name = "S-Video", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 383 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
| 384 | | V4L2_STD_SECAM, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 385 | }, { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 386 | .name = "D1/IndyCam", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 387 | .std = V4L2_STD_NTSC, |
| 388 | } |
| 389 | }; |
| 390 | |
| 391 | static const struct vino_data_format vino_data_formats[] = { |
| 392 | { |
| 393 | .description = "8-bit greyscale", |
| 394 | .bpp = 1, |
| 395 | .pixelformat = V4L2_PIX_FMT_GREY, |
| 396 | .colorspace = V4L2_COLORSPACE_SMPTE170M, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 397 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 398 | .description = "8-bit dithered RGB 3-3-2", |
| 399 | .bpp = 1, |
| 400 | .pixelformat = V4L2_PIX_FMT_RGB332, |
| 401 | .colorspace = V4L2_COLORSPACE_SRGB, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 402 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 403 | .description = "32-bit RGB", |
| 404 | .bpp = 4, |
| 405 | .pixelformat = V4L2_PIX_FMT_RGB32, |
| 406 | .colorspace = V4L2_COLORSPACE_SRGB, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 407 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 408 | .description = "YUV 4:2:2", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 409 | .bpp = 2, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 410 | .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? |
| 411 | .colorspace = V4L2_COLORSPACE_SMPTE170M, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 412 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 413 | }; |
| 414 | |
| 415 | static const struct vino_data_norm vino_data_norms[] = { |
| 416 | { |
| 417 | .description = "NTSC", |
| 418 | .std = V4L2_STD_NTSC, |
| 419 | .fps_min = 6, |
| 420 | .fps_max = 30, |
| 421 | .framelines = 525, |
| 422 | .width = VINO_NTSC_WIDTH, |
| 423 | .height = VINO_NTSC_HEIGHT, |
| 424 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 425 | .top = VINO_CLIPPING_START_ODD_NTSC, |
| 426 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 427 | .bottom = VINO_CLIPPING_START_ODD_NTSC |
| 428 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 429 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 430 | }, |
| 431 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 432 | .top = VINO_CLIPPING_START_EVEN_NTSC, |
| 433 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 434 | .bottom = VINO_CLIPPING_START_EVEN_NTSC |
| 435 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 436 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 437 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 438 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 439 | .description = "PAL", |
| 440 | .std = V4L2_STD_PAL, |
| 441 | .fps_min = 5, |
| 442 | .fps_max = 25, |
| 443 | .framelines = 625, |
| 444 | .width = VINO_PAL_WIDTH, |
| 445 | .height = VINO_PAL_HEIGHT, |
| 446 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 447 | .top = VINO_CLIPPING_START_ODD_PAL, |
| 448 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 449 | .bottom = VINO_CLIPPING_START_ODD_PAL |
| 450 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 451 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 452 | }, |
| 453 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 454 | .top = VINO_CLIPPING_START_EVEN_PAL, |
| 455 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 456 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
| 457 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 458 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 459 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 460 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 461 | .description = "SECAM", |
| 462 | .std = V4L2_STD_SECAM, |
| 463 | .fps_min = 5, |
| 464 | .fps_max = 25, |
| 465 | .framelines = 625, |
| 466 | .width = VINO_PAL_WIDTH, |
| 467 | .height = VINO_PAL_HEIGHT, |
| 468 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 469 | .top = VINO_CLIPPING_START_ODD_PAL, |
| 470 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 471 | .bottom = VINO_CLIPPING_START_ODD_PAL |
| 472 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 473 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 474 | }, |
| 475 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 476 | .top = VINO_CLIPPING_START_EVEN_PAL, |
| 477 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 478 | .bottom = VINO_CLIPPING_START_EVEN_PAL |
| 479 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 480 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 481 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 482 | }, { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 483 | .description = "NTSC/D1", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 484 | .std = V4L2_STD_NTSC, |
| 485 | .fps_min = 6, |
| 486 | .fps_max = 30, |
| 487 | .framelines = 525, |
| 488 | .width = VINO_NTSC_WIDTH, |
| 489 | .height = VINO_NTSC_HEIGHT, |
| 490 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 491 | .top = VINO_CLIPPING_START_ODD_D1, |
| 492 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 493 | .bottom = VINO_CLIPPING_START_ODD_D1 |
| 494 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 495 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 496 | }, |
| 497 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 498 | .top = VINO_CLIPPING_START_EVEN_D1, |
| 499 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 500 | .bottom = VINO_CLIPPING_START_EVEN_D1 |
| 501 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 502 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 503 | }, |
| 504 | } |
| 505 | }; |
| 506 | |
| 507 | #define VINO_INDYCAM_V4L2_CONTROL_COUNT 9 |
| 508 | |
| 509 | struct v4l2_queryctrl vino_indycam_v4l2_controls[] = { |
| 510 | { |
| 511 | .id = V4L2_CID_AUTOGAIN, |
| 512 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 513 | .name = "Automatic Gain Control", |
| 514 | .minimum = 0, |
| 515 | .maximum = 1, |
| 516 | .step = 1, |
| 517 | .default_value = INDYCAM_AGC_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 518 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 519 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| 520 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 521 | .name = "Automatic White Balance", |
| 522 | .minimum = 0, |
| 523 | .maximum = 1, |
| 524 | .step = 1, |
| 525 | .default_value = INDYCAM_AWB_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 526 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 527 | .id = V4L2_CID_GAIN, |
| 528 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 529 | .name = "Gain", |
| 530 | .minimum = INDYCAM_GAIN_MIN, |
| 531 | .maximum = INDYCAM_GAIN_MAX, |
| 532 | .step = 1, |
| 533 | .default_value = INDYCAM_GAIN_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 534 | }, { |
| 535 | .id = INDYCAM_CONTROL_RED_SATURATION, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 536 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 537 | .name = "Red Saturation", |
| 538 | .minimum = INDYCAM_RED_SATURATION_MIN, |
| 539 | .maximum = INDYCAM_RED_SATURATION_MAX, |
| 540 | .step = 1, |
| 541 | .default_value = INDYCAM_RED_SATURATION_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 542 | }, { |
| 543 | .id = INDYCAM_CONTROL_BLUE_SATURATION, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 544 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 545 | .name = "Blue Saturation", |
| 546 | .minimum = INDYCAM_BLUE_SATURATION_MIN, |
| 547 | .maximum = INDYCAM_BLUE_SATURATION_MAX, |
| 548 | .step = 1, |
| 549 | .default_value = INDYCAM_BLUE_SATURATION_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 550 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 551 | .id = V4L2_CID_RED_BALANCE, |
| 552 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 553 | .name = "Red Balance", |
| 554 | .minimum = INDYCAM_RED_BALANCE_MIN, |
| 555 | .maximum = INDYCAM_RED_BALANCE_MAX, |
| 556 | .step = 1, |
| 557 | .default_value = INDYCAM_RED_BALANCE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 558 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 559 | .id = V4L2_CID_BLUE_BALANCE, |
| 560 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 561 | .name = "Blue Balance", |
| 562 | .minimum = INDYCAM_BLUE_BALANCE_MIN, |
| 563 | .maximum = INDYCAM_BLUE_BALANCE_MAX, |
| 564 | .step = 1, |
| 565 | .default_value = INDYCAM_BLUE_BALANCE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 566 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 567 | .id = V4L2_CID_EXPOSURE, |
| 568 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 569 | .name = "Shutter Control", |
| 570 | .minimum = INDYCAM_SHUTTER_MIN, |
| 571 | .maximum = INDYCAM_SHUTTER_MAX, |
| 572 | .step = 1, |
| 573 | .default_value = INDYCAM_SHUTTER_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 574 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 575 | .id = V4L2_CID_GAMMA, |
| 576 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 577 | .name = "Gamma", |
| 578 | .minimum = INDYCAM_GAMMA_MIN, |
| 579 | .maximum = INDYCAM_GAMMA_MAX, |
| 580 | .step = 1, |
| 581 | .default_value = INDYCAM_GAMMA_DEFAULT, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 582 | } |
| 583 | }; |
| 584 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 585 | #define VINO_SAA7191_V4L2_CONTROL_COUNT 9 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 586 | |
| 587 | struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = { |
| 588 | { |
| 589 | .id = V4L2_CID_HUE, |
| 590 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 591 | .name = "Hue", |
| 592 | .minimum = SAA7191_HUE_MIN, |
| 593 | .maximum = SAA7191_HUE_MAX, |
| 594 | .step = 1, |
| 595 | .default_value = SAA7191_HUE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 596 | }, { |
| 597 | .id = SAA7191_CONTROL_BANDPASS, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 598 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 599 | .name = "Luminance Bandpass", |
| 600 | .minimum = SAA7191_BANDPASS_MIN, |
| 601 | .maximum = SAA7191_BANDPASS_MAX, |
| 602 | .step = 1, |
| 603 | .default_value = SAA7191_BANDPASS_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 604 | }, { |
| 605 | .id = SAA7191_CONTROL_BANDPASS_WEIGHT, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 606 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 607 | .name = "Luminance Bandpass Weight", |
| 608 | .minimum = SAA7191_BANDPASS_WEIGHT_MIN, |
| 609 | .maximum = SAA7191_BANDPASS_WEIGHT_MAX, |
| 610 | .step = 1, |
| 611 | .default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 612 | }, { |
| 613 | .id = SAA7191_CONTROL_CORING, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 614 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 615 | .name = "HF Luminance Coring", |
| 616 | .minimum = SAA7191_CORING_MIN, |
| 617 | .maximum = SAA7191_CORING_MAX, |
| 618 | .step = 1, |
| 619 | .default_value = SAA7191_CORING_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 620 | }, { |
| 621 | .id = SAA7191_CONTROL_FORCE_COLOUR, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 622 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 623 | .name = "Force Colour", |
| 624 | .minimum = SAA7191_FORCE_COLOUR_MIN, |
| 625 | .maximum = SAA7191_FORCE_COLOUR_MAX, |
| 626 | .step = 1, |
| 627 | .default_value = SAA7191_FORCE_COLOUR_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 628 | }, { |
| 629 | .id = SAA7191_CONTROL_CHROMA_GAIN, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 630 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 631 | .name = "Chrominance Gain Control", |
| 632 | .minimum = SAA7191_CHROMA_GAIN_MIN, |
| 633 | .maximum = SAA7191_CHROMA_GAIN_MAX, |
| 634 | .step = 1, |
| 635 | .default_value = SAA7191_CHROMA_GAIN_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 636 | }, { |
| 637 | .id = SAA7191_CONTROL_VTRC, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 638 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 639 | .name = "VTR Time Constant", |
| 640 | .minimum = SAA7191_VTRC_MIN, |
| 641 | .maximum = SAA7191_VTRC_MAX, |
| 642 | .step = 1, |
| 643 | .default_value = SAA7191_VTRC_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 644 | }, { |
| 645 | .id = SAA7191_CONTROL_LUMA_DELAY, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 646 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 647 | .name = "Luminance Delay Compensation", |
| 648 | .minimum = SAA7191_LUMA_DELAY_MIN, |
| 649 | .maximum = SAA7191_LUMA_DELAY_MAX, |
| 650 | .step = 1, |
| 651 | .default_value = SAA7191_LUMA_DELAY_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 652 | }, { |
| 653 | .id = SAA7191_CONTROL_VNR, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 654 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 655 | .name = "Vertical Noise Reduction", |
| 656 | .minimum = SAA7191_VNR_MIN, |
| 657 | .maximum = SAA7191_VNR_MAX, |
| 658 | .step = 1, |
| 659 | .default_value = SAA7191_VNR_DEFAULT, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 660 | } |
| 661 | }; |
| 662 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 663 | /* VINO framebuffer/DMA descriptor management */ |
| 664 | |
| 665 | static void vino_free_buffer_with_count(struct vino_framebuffer *fb, |
| 666 | unsigned int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 667 | { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 668 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 669 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 670 | dprintk("vino_free_buffer_with_count(): count = %d\n", count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 672 | for (i = 0; i < count; i++) { |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 673 | ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 674 | dma_unmap_single(NULL, |
| 675 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], |
| 676 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 677 | free_page(fb->desc_table.virtual[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | } |
| 679 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 680 | dma_free_coherent(NULL, |
| 681 | VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) * |
| 682 | sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu, |
| 683 | fb->desc_table.dma); |
| 684 | kfree(fb->desc_table.virtual); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 686 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 687 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 688 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 689 | static void vino_free_buffer(struct vino_framebuffer *fb) |
| 690 | { |
| 691 | vino_free_buffer_with_count(fb, fb->desc_table.page_count); |
| 692 | } |
| 693 | |
| 694 | static int vino_allocate_buffer(struct vino_framebuffer *fb, |
| 695 | unsigned int size) |
| 696 | { |
| 697 | unsigned int count, i, j; |
| 698 | int ret = 0; |
| 699 | |
| 700 | dprintk("vino_allocate_buffer():\n"); |
| 701 | |
| 702 | if (size < 1) |
| 703 | return -EINVAL; |
| 704 | |
| 705 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 706 | |
| 707 | count = ((size / PAGE_SIZE) + 4) & ~3; |
| 708 | |
| 709 | dprintk("vino_allocate_buffer(): size = %d, count = %d\n", |
| 710 | size, count); |
| 711 | |
| 712 | /* allocate memory for table with virtual (page) addresses */ |
| 713 | fb->desc_table.virtual = (unsigned long *) |
| 714 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); |
| 715 | if (!fb->desc_table.virtual) |
| 716 | return -ENOMEM; |
| 717 | |
| 718 | /* allocate memory for table with dma addresses |
| 719 | * (has space for four extra descriptors) */ |
| 720 | fb->desc_table.dma_cpu = |
| 721 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * |
| 722 | sizeof(dma_addr_t), &fb->desc_table.dma, |
| 723 | GFP_KERNEL | GFP_DMA); |
| 724 | if (!fb->desc_table.dma_cpu) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | ret = -ENOMEM; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 726 | goto out_free_virtual; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | } |
| 728 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 729 | /* allocate pages for the buffer and acquire the according |
| 730 | * dma addresses */ |
| 731 | for (i = 0; i < count; i++) { |
| 732 | dma_addr_t dma_data_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 734 | fb->desc_table.virtual[i] = |
| 735 | get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 736 | if (!fb->desc_table.virtual[i]) { |
| 737 | ret = -ENOBUFS; |
| 738 | break; |
| 739 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 741 | dma_data_addr = |
| 742 | dma_map_single(NULL, |
| 743 | (void *)fb->desc_table.virtual[i], |
| 744 | PAGE_SIZE, DMA_FROM_DEVICE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 746 | for (j = 0; j < VINO_PAGE_RATIO; j++) { |
| 747 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = |
| 748 | dma_data_addr + VINO_PAGE_SIZE * j; |
| 749 | } |
| 750 | |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 751 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 752 | } |
| 753 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 754 | /* page_count needs to be set anyway, because the descriptor table has |
| 755 | * been allocated according to this number */ |
| 756 | fb->desc_table.page_count = count; |
| 757 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 758 | if (ret) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 759 | /* the descriptor with index i doesn't contain |
| 760 | * a valid address yet */ |
| 761 | vino_free_buffer_with_count(fb, i); |
| 762 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 763 | } |
| 764 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 765 | //fb->size = size; |
| 766 | fb->size = count * PAGE_SIZE; |
| 767 | fb->data_format = VINO_DATA_FMT_NONE; |
| 768 | |
| 769 | /* set the dma stop-bit for the last (count+1)th descriptor */ |
| 770 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; |
| 771 | return 0; |
| 772 | |
| 773 | out_free_virtual: |
| 774 | kfree(fb->desc_table.virtual); |
| 775 | return ret; |
| 776 | } |
| 777 | |
| 778 | #if 0 |
| 779 | /* user buffers not fully implemented yet */ |
| 780 | static int vino_prepare_user_buffer(struct vino_framebuffer *fb, |
| 781 | void *user, |
| 782 | unsigned int size) |
| 783 | { |
| 784 | unsigned int count, i, j; |
| 785 | int ret = 0; |
| 786 | |
| 787 | dprintk("vino_prepare_user_buffer():\n"); |
| 788 | |
| 789 | if (size < 1) |
| 790 | return -EINVAL; |
| 791 | |
| 792 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 793 | |
| 794 | count = ((size / PAGE_SIZE)) & ~3; |
| 795 | |
| 796 | dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n", |
| 797 | size, count); |
| 798 | |
| 799 | /* allocate memory for table with virtual (page) addresses */ |
| 800 | fb->desc_table.virtual = (unsigned long *) |
| 801 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); |
| 802 | if (!fb->desc_table.virtual) |
| 803 | return -ENOMEM; |
| 804 | |
| 805 | /* allocate memory for table with dma addresses |
| 806 | * (has space for four extra descriptors) */ |
| 807 | fb->desc_table.dma_cpu = |
| 808 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * |
| 809 | sizeof(dma_addr_t), &fb->desc_table.dma, |
| 810 | GFP_KERNEL | GFP_DMA); |
| 811 | if (!fb->desc_table.dma_cpu) { |
| 812 | ret = -ENOMEM; |
| 813 | goto out_free_virtual; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 814 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 815 | |
| 816 | /* allocate pages for the buffer and acquire the according |
| 817 | * dma addresses */ |
| 818 | for (i = 0; i < count; i++) { |
| 819 | dma_addr_t dma_data_addr; |
| 820 | |
| 821 | fb->desc_table.virtual[i] = |
| 822 | get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 823 | if (!fb->desc_table.virtual[i]) { |
| 824 | ret = -ENOBUFS; |
| 825 | break; |
| 826 | } |
| 827 | |
| 828 | dma_data_addr = |
| 829 | dma_map_single(NULL, |
| 830 | (void *)fb->desc_table.virtual[i], |
| 831 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 832 | |
| 833 | for (j = 0; j < VINO_PAGE_RATIO; j++) { |
| 834 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = |
| 835 | dma_data_addr + VINO_PAGE_SIZE * j; |
| 836 | } |
| 837 | |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 838 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 839 | } |
| 840 | |
| 841 | /* page_count needs to be set anyway, because the descriptor table has |
| 842 | * been allocated according to this number */ |
| 843 | fb->desc_table.page_count = count; |
| 844 | |
| 845 | if (ret) { |
| 846 | /* the descriptor with index i doesn't contain |
| 847 | * a valid address yet */ |
| 848 | vino_free_buffer_with_count(fb, i); |
| 849 | return ret; |
| 850 | } |
| 851 | |
| 852 | //fb->size = size; |
| 853 | fb->size = count * PAGE_SIZE; |
| 854 | |
| 855 | /* set the dma stop-bit for the last (count+1)th descriptor */ |
| 856 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; |
| 857 | return 0; |
| 858 | |
| 859 | out_free_virtual: |
| 860 | kfree(fb->desc_table.virtual); |
| 861 | return ret; |
| 862 | } |
| 863 | #endif |
| 864 | |
| 865 | static void vino_sync_buffer(struct vino_framebuffer *fb) |
| 866 | { |
| 867 | int i; |
| 868 | |
| 869 | dprintk("vino_sync_buffer():\n"); |
| 870 | |
| 871 | for (i = 0; i < fb->desc_table.page_count; i++) |
FUJITA Tomonori | 028bbfe | 2009-05-27 22:10:43 -0300 | [diff] [blame] | 872 | dma_sync_single_for_cpu(NULL, |
| 873 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], |
| 874 | PAGE_SIZE, DMA_FROM_DEVICE); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 875 | } |
| 876 | |
| 877 | /* Framebuffer fifo functions (need to be locked externally) */ |
| 878 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 879 | static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 880 | unsigned int length) |
| 881 | { |
| 882 | f->length = 0; |
| 883 | f->used = 0; |
| 884 | f->head = 0; |
| 885 | f->tail = 0; |
| 886 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 887 | if (length > VINO_FRAMEBUFFER_COUNT_MAX) |
| 888 | length = VINO_FRAMEBUFFER_COUNT_MAX; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 889 | |
| 890 | f->length = length; |
| 891 | } |
| 892 | |
| 893 | /* returns true/false */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 894 | static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, |
| 895 | unsigned int id) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 896 | { |
| 897 | unsigned int i; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 898 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 899 | for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { |
| 900 | if (f->data[i] == id) |
| 901 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 902 | } |
| 903 | |
| 904 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 905 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 907 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 908 | /* returns true/false */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 909 | static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 910 | { |
| 911 | return (f->used == f->length); |
| 912 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 913 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 914 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 915 | static inline unsigned int vino_fifo_get_used(struct vino_framebuffer_fifo *f) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 916 | { |
| 917 | return f->used; |
| 918 | } |
| 919 | |
| 920 | static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id) |
| 921 | { |
| 922 | if (id >= f->length) { |
| 923 | return VINO_QUEUE_ERROR; |
| 924 | } |
| 925 | |
| 926 | if (vino_fifo_has_id(f, id)) { |
| 927 | return VINO_QUEUE_ERROR; |
| 928 | } |
| 929 | |
| 930 | if (f->used < f->length) { |
| 931 | f->data[f->tail] = id; |
| 932 | f->tail = (f->tail + 1) % f->length; |
| 933 | f->used++; |
| 934 | } else { |
| 935 | return VINO_QUEUE_ERROR; |
| 936 | } |
| 937 | |
| 938 | return 0; |
| 939 | } |
| 940 | |
| 941 | static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id) |
| 942 | { |
| 943 | if (f->used > 0) { |
| 944 | *id = f->data[f->head]; |
| 945 | } else { |
| 946 | return VINO_QUEUE_ERROR; |
| 947 | } |
| 948 | |
| 949 | return 0; |
| 950 | } |
| 951 | |
| 952 | static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id) |
| 953 | { |
| 954 | if (f->used > 0) { |
| 955 | *id = f->data[f->head]; |
| 956 | f->head = (f->head + 1) % f->length; |
| 957 | f->used--; |
| 958 | } else { |
| 959 | return VINO_QUEUE_ERROR; |
| 960 | } |
| 961 | |
| 962 | return 0; |
| 963 | } |
| 964 | |
| 965 | /* Framebuffer queue functions */ |
| 966 | |
| 967 | /* execute with queue_lock locked */ |
| 968 | static void vino_queue_free_with_count(struct vino_framebuffer_queue *q, |
| 969 | unsigned int length) |
| 970 | { |
| 971 | unsigned int i; |
| 972 | |
| 973 | q->length = 0; |
| 974 | memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo)); |
| 975 | memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo)); |
| 976 | for (i = 0; i < length; i++) { |
| 977 | dprintk("vino_queue_free_with_count(): freeing buffer %d\n", |
| 978 | i); |
| 979 | vino_free_buffer(q->buffer[i]); |
| 980 | kfree(q->buffer[i]); |
| 981 | } |
| 982 | |
| 983 | q->type = VINO_MEMORY_NONE; |
| 984 | q->magic = 0; |
| 985 | } |
| 986 | |
| 987 | static void vino_queue_free(struct vino_framebuffer_queue *q) |
| 988 | { |
| 989 | dprintk("vino_queue_free():\n"); |
| 990 | |
| 991 | if (q->magic != VINO_QUEUE_MAGIC) |
| 992 | return; |
| 993 | if (q->type != VINO_MEMORY_MMAP) |
| 994 | return; |
| 995 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 996 | mutex_lock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 997 | |
| 998 | vino_queue_free_with_count(q, q->length); |
| 999 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1000 | mutex_unlock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1001 | } |
| 1002 | |
| 1003 | static int vino_queue_init(struct vino_framebuffer_queue *q, |
| 1004 | unsigned int *length) |
| 1005 | { |
| 1006 | unsigned int i; |
| 1007 | int ret = 0; |
| 1008 | |
| 1009 | dprintk("vino_queue_init(): length = %d\n", *length); |
| 1010 | |
| 1011 | if (q->magic == VINO_QUEUE_MAGIC) { |
| 1012 | dprintk("vino_queue_init(): queue already initialized!\n"); |
| 1013 | return -EINVAL; |
| 1014 | } |
| 1015 | |
| 1016 | if (q->type != VINO_MEMORY_NONE) { |
| 1017 | dprintk("vino_queue_init(): queue already initialized!\n"); |
| 1018 | return -EINVAL; |
| 1019 | } |
| 1020 | |
| 1021 | if (*length < 1) |
| 1022 | return -EINVAL; |
| 1023 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1024 | mutex_lock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1025 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1026 | if (*length > VINO_FRAMEBUFFER_COUNT_MAX) |
| 1027 | *length = VINO_FRAMEBUFFER_COUNT_MAX; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1028 | |
| 1029 | q->length = 0; |
| 1030 | |
| 1031 | for (i = 0; i < *length; i++) { |
| 1032 | dprintk("vino_queue_init(): allocating buffer %d\n", i); |
| 1033 | q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer), |
| 1034 | GFP_KERNEL); |
| 1035 | if (!q->buffer[i]) { |
| 1036 | dprintk("vino_queue_init(): kmalloc() failed\n"); |
| 1037 | ret = -ENOMEM; |
| 1038 | break; |
| 1039 | } |
| 1040 | |
| 1041 | ret = vino_allocate_buffer(q->buffer[i], |
| 1042 | VINO_FRAMEBUFFER_SIZE); |
| 1043 | if (ret) { |
| 1044 | kfree(q->buffer[i]); |
| 1045 | dprintk("vino_queue_init(): " |
| 1046 | "vino_allocate_buffer() failed\n"); |
| 1047 | break; |
| 1048 | } |
| 1049 | |
| 1050 | q->buffer[i]->id = i; |
| 1051 | if (i > 0) { |
| 1052 | q->buffer[i]->offset = q->buffer[i - 1]->offset + |
| 1053 | q->buffer[i - 1]->size; |
| 1054 | } else { |
| 1055 | q->buffer[i]->offset = 0; |
| 1056 | } |
| 1057 | |
| 1058 | spin_lock_init(&q->buffer[i]->state_lock); |
| 1059 | |
| 1060 | dprintk("vino_queue_init(): buffer = %d, offset = %d, " |
| 1061 | "size = %d\n", i, q->buffer[i]->offset, |
| 1062 | q->buffer[i]->size); |
| 1063 | } |
| 1064 | |
| 1065 | if (ret) { |
| 1066 | vino_queue_free_with_count(q, i); |
| 1067 | *length = 0; |
| 1068 | } else { |
| 1069 | q->length = *length; |
| 1070 | vino_fifo_init(&q->in, q->length); |
| 1071 | vino_fifo_init(&q->out, q->length); |
| 1072 | q->type = VINO_MEMORY_MMAP; |
| 1073 | q->magic = VINO_QUEUE_MAGIC; |
| 1074 | } |
| 1075 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1076 | mutex_unlock(&q->queue_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | |
| 1078 | return ret; |
| 1079 | } |
| 1080 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1081 | static struct vino_framebuffer *vino_queue_add(struct |
| 1082 | vino_framebuffer_queue *q, |
| 1083 | unsigned int id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1085 | struct vino_framebuffer *ret = NULL; |
| 1086 | unsigned int total; |
| 1087 | unsigned long flags; |
| 1088 | |
| 1089 | dprintk("vino_queue_add(): id = %d\n", id); |
| 1090 | |
| 1091 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1092 | return ret; |
| 1093 | } |
| 1094 | |
| 1095 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1096 | |
| 1097 | if (q->length == 0) |
| 1098 | goto out; |
| 1099 | |
| 1100 | if (id >= q->length) |
| 1101 | goto out; |
| 1102 | |
| 1103 | /* not needed?: if (vino_fifo_full(&q->out)) { |
| 1104 | goto out; |
| 1105 | }*/ |
| 1106 | /* check that outgoing queue isn't already full |
| 1107 | * (or that it won't become full) */ |
| 1108 | total = vino_fifo_get_used(&q->in) + |
| 1109 | vino_fifo_get_used(&q->out); |
| 1110 | if (total >= q->length) |
| 1111 | goto out; |
| 1112 | |
| 1113 | if (vino_fifo_enqueue(&q->in, id)) |
| 1114 | goto out; |
| 1115 | |
| 1116 | ret = q->buffer[id]; |
| 1117 | |
| 1118 | out: |
| 1119 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1120 | |
| 1121 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1122 | } |
| 1123 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1124 | static struct vino_framebuffer *vino_queue_transfer(struct |
| 1125 | vino_framebuffer_queue *q) |
| 1126 | { |
| 1127 | struct vino_framebuffer *ret = NULL; |
| 1128 | struct vino_framebuffer *fb; |
| 1129 | int id; |
| 1130 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1131 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1132 | dprintk("vino_queue_transfer():\n"); |
| 1133 | |
| 1134 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1135 | return ret; |
| 1136 | } |
| 1137 | |
| 1138 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1139 | |
| 1140 | if (q->length == 0) |
| 1141 | goto out; |
| 1142 | |
| 1143 | // now this actually removes an entry from the incoming queue |
| 1144 | if (vino_fifo_dequeue(&q->in, &id)) { |
| 1145 | goto out; |
| 1146 | } |
| 1147 | |
| 1148 | dprintk("vino_queue_transfer(): id = %d\n", id); |
| 1149 | fb = q->buffer[id]; |
| 1150 | |
| 1151 | // we have already checked that the outgoing queue is not full, but... |
| 1152 | if (vino_fifo_enqueue(&q->out, id)) { |
| 1153 | printk(KERN_ERR "vino_queue_transfer(): " |
| 1154 | "outgoing queue is full, this shouldn't happen!\n"); |
| 1155 | goto out; |
| 1156 | } |
| 1157 | |
| 1158 | ret = fb; |
| 1159 | out: |
| 1160 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1161 | |
| 1162 | return ret; |
| 1163 | } |
| 1164 | |
| 1165 | /* returns true/false */ |
| 1166 | static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q, |
| 1167 | unsigned int id) |
| 1168 | { |
| 1169 | int ret = 0; |
| 1170 | unsigned long flags; |
| 1171 | |
| 1172 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1173 | return ret; |
| 1174 | } |
| 1175 | |
| 1176 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1177 | |
| 1178 | if (q->length == 0) |
| 1179 | goto out; |
| 1180 | |
| 1181 | ret = vino_fifo_has_id(&q->in, id); |
| 1182 | |
| 1183 | out: |
| 1184 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1185 | |
| 1186 | return ret; |
| 1187 | } |
| 1188 | |
| 1189 | /* returns true/false */ |
| 1190 | static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q, |
| 1191 | unsigned int id) |
| 1192 | { |
| 1193 | int ret = 0; |
| 1194 | unsigned long flags; |
| 1195 | |
| 1196 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1197 | return ret; |
| 1198 | } |
| 1199 | |
| 1200 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1201 | |
| 1202 | if (q->length == 0) |
| 1203 | goto out; |
| 1204 | |
| 1205 | ret = vino_fifo_has_id(&q->out, id); |
| 1206 | |
| 1207 | out: |
| 1208 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1209 | |
| 1210 | return ret; |
| 1211 | } |
| 1212 | |
| 1213 | static int vino_queue_get_incoming(struct vino_framebuffer_queue *q, |
| 1214 | unsigned int *used) |
| 1215 | { |
| 1216 | int ret = 0; |
| 1217 | unsigned long flags; |
| 1218 | |
| 1219 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1220 | return VINO_QUEUE_ERROR; |
| 1221 | } |
| 1222 | |
| 1223 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1224 | |
| 1225 | if (q->length == 0) { |
| 1226 | ret = VINO_QUEUE_ERROR; |
| 1227 | goto out; |
| 1228 | } |
| 1229 | |
| 1230 | *used = vino_fifo_get_used(&q->in); |
| 1231 | |
| 1232 | out: |
| 1233 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1234 | |
| 1235 | return ret; |
| 1236 | } |
| 1237 | |
| 1238 | static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q, |
| 1239 | unsigned int *used) |
| 1240 | { |
| 1241 | int ret = 0; |
| 1242 | unsigned long flags; |
| 1243 | |
| 1244 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1245 | return VINO_QUEUE_ERROR; |
| 1246 | } |
| 1247 | |
| 1248 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1249 | |
| 1250 | if (q->length == 0) { |
| 1251 | ret = VINO_QUEUE_ERROR; |
| 1252 | goto out; |
| 1253 | } |
| 1254 | |
| 1255 | *used = vino_fifo_get_used(&q->out); |
| 1256 | |
| 1257 | out: |
| 1258 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1259 | |
| 1260 | return ret; |
| 1261 | } |
| 1262 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1263 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1264 | static int vino_queue_get_total(struct vino_framebuffer_queue *q, |
| 1265 | unsigned int *total) |
| 1266 | { |
| 1267 | int ret = 0; |
| 1268 | unsigned long flags; |
| 1269 | |
| 1270 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1271 | return VINO_QUEUE_ERROR; |
| 1272 | } |
| 1273 | |
| 1274 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1275 | |
| 1276 | if (q->length == 0) { |
| 1277 | ret = VINO_QUEUE_ERROR; |
| 1278 | goto out; |
| 1279 | } |
| 1280 | |
| 1281 | *total = vino_fifo_get_used(&q->in) + |
| 1282 | vino_fifo_get_used(&q->out); |
| 1283 | |
| 1284 | out: |
| 1285 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1286 | |
| 1287 | return ret; |
| 1288 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1289 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1290 | |
| 1291 | static struct vino_framebuffer *vino_queue_peek(struct |
| 1292 | vino_framebuffer_queue *q, |
| 1293 | unsigned int *id) |
| 1294 | { |
| 1295 | struct vino_framebuffer *ret = NULL; |
| 1296 | unsigned long flags; |
| 1297 | |
| 1298 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1299 | return ret; |
| 1300 | } |
| 1301 | |
| 1302 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1303 | |
| 1304 | if (q->length == 0) |
| 1305 | goto out; |
| 1306 | |
| 1307 | if (vino_fifo_peek(&q->in, id)) { |
| 1308 | goto out; |
| 1309 | } |
| 1310 | |
| 1311 | ret = q->buffer[*id]; |
| 1312 | out: |
| 1313 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1314 | |
| 1315 | return ret; |
| 1316 | } |
| 1317 | |
| 1318 | static struct vino_framebuffer *vino_queue_remove(struct |
| 1319 | vino_framebuffer_queue *q, |
| 1320 | unsigned int *id) |
| 1321 | { |
| 1322 | struct vino_framebuffer *ret = NULL; |
| 1323 | unsigned long flags; |
| 1324 | dprintk("vino_queue_remove():\n"); |
| 1325 | |
| 1326 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1327 | return ret; |
| 1328 | } |
| 1329 | |
| 1330 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1331 | |
| 1332 | if (q->length == 0) |
| 1333 | goto out; |
| 1334 | |
| 1335 | if (vino_fifo_dequeue(&q->out, id)) { |
| 1336 | goto out; |
| 1337 | } |
| 1338 | |
| 1339 | dprintk("vino_queue_remove(): id = %d\n", *id); |
| 1340 | ret = q->buffer[*id]; |
| 1341 | out: |
| 1342 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1343 | |
| 1344 | return ret; |
| 1345 | } |
| 1346 | |
| 1347 | static struct |
| 1348 | vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q, |
| 1349 | unsigned int id) |
| 1350 | { |
| 1351 | struct vino_framebuffer *ret = NULL; |
| 1352 | unsigned long flags; |
| 1353 | |
| 1354 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1355 | return ret; |
| 1356 | } |
| 1357 | |
| 1358 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1359 | |
| 1360 | if (q->length == 0) |
| 1361 | goto out; |
| 1362 | |
| 1363 | if (id >= q->length) |
| 1364 | goto out; |
| 1365 | |
| 1366 | ret = q->buffer[id]; |
| 1367 | out: |
| 1368 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1369 | |
| 1370 | return ret; |
| 1371 | } |
| 1372 | |
| 1373 | static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q) |
| 1374 | { |
| 1375 | unsigned int length = 0; |
| 1376 | unsigned long flags; |
| 1377 | |
| 1378 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1379 | return length; |
| 1380 | } |
| 1381 | |
| 1382 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1383 | length = q->length; |
| 1384 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1385 | |
| 1386 | return length; |
| 1387 | } |
| 1388 | |
| 1389 | static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q) |
| 1390 | { |
| 1391 | unsigned int i; |
| 1392 | int ret = 0; |
| 1393 | unsigned long flags; |
| 1394 | |
| 1395 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1396 | return ret; |
| 1397 | } |
| 1398 | |
| 1399 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1400 | for (i = 0; i < q->length; i++) { |
| 1401 | if (q->buffer[i]->map_count > 0) { |
| 1402 | ret = 1; |
| 1403 | break; |
| 1404 | } |
| 1405 | } |
| 1406 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1407 | |
| 1408 | return ret; |
| 1409 | } |
| 1410 | |
| 1411 | /* VINO functions */ |
| 1412 | |
| 1413 | /* execute with input_lock locked */ |
| 1414 | static void vino_update_line_size(struct vino_channel_settings *vcs) |
| 1415 | { |
| 1416 | unsigned int w = vcs->clipping.right - vcs->clipping.left; |
| 1417 | unsigned int d = vcs->decimation; |
| 1418 | unsigned int bpp = vino_data_formats[vcs->data_format].bpp; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1419 | unsigned int lsize; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1420 | |
| 1421 | dprintk("update_line_size(): before: w = %d, d = %d, " |
| 1422 | "line_size = %d\n", w, d, vcs->line_size); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1423 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1424 | /* line size must be multiple of 8 bytes */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1425 | lsize = (bpp * (w / d)) & ~7; |
| 1426 | w = (lsize / bpp) * d; |
| 1427 | |
| 1428 | vcs->clipping.right = vcs->clipping.left + w; |
| 1429 | vcs->line_size = lsize; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1430 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1431 | dprintk("update_line_size(): after: w = %d, d = %d, " |
| 1432 | "line_size = %d\n", w, d, vcs->line_size); |
| 1433 | } |
| 1434 | |
| 1435 | /* execute with input_lock locked */ |
| 1436 | static void vino_set_clipping(struct vino_channel_settings *vcs, |
| 1437 | unsigned int x, unsigned int y, |
| 1438 | unsigned int w, unsigned int h) |
| 1439 | { |
| 1440 | unsigned int maxwidth, maxheight; |
| 1441 | unsigned int d; |
| 1442 | |
| 1443 | maxwidth = vino_data_norms[vcs->data_norm].width; |
| 1444 | maxheight = vino_data_norms[vcs->data_norm].height; |
| 1445 | d = vcs->decimation; |
| 1446 | |
| 1447 | y &= ~1; /* odd/even fields */ |
| 1448 | |
| 1449 | if (x > maxwidth) { |
| 1450 | x = 0; |
| 1451 | } |
| 1452 | if (y > maxheight) { |
| 1453 | y = 0; |
| 1454 | } |
| 1455 | |
| 1456 | if (((w / d) < VINO_MIN_WIDTH) |
| 1457 | || ((h / d) < VINO_MIN_HEIGHT)) { |
| 1458 | w = VINO_MIN_WIDTH * d; |
| 1459 | h = VINO_MIN_HEIGHT * d; |
| 1460 | } |
| 1461 | |
| 1462 | if ((x + w) > maxwidth) { |
| 1463 | w = maxwidth - x; |
| 1464 | if ((w / d) < VINO_MIN_WIDTH) |
| 1465 | x = maxwidth - VINO_MIN_WIDTH * d; |
| 1466 | } |
| 1467 | if ((y + h) > maxheight) { |
| 1468 | h = maxheight - y; |
| 1469 | if ((h / d) < VINO_MIN_HEIGHT) |
| 1470 | y = maxheight - VINO_MIN_HEIGHT * d; |
| 1471 | } |
| 1472 | |
| 1473 | vcs->clipping.left = x; |
| 1474 | vcs->clipping.top = y; |
| 1475 | vcs->clipping.right = x + w; |
| 1476 | vcs->clipping.bottom = y + h; |
| 1477 | |
| 1478 | vino_update_line_size(vcs); |
| 1479 | |
| 1480 | dprintk("clipping %d, %d, %d, %d / %d - %d\n", |
| 1481 | vcs->clipping.left, vcs->clipping.top, vcs->clipping.right, |
| 1482 | vcs->clipping.bottom, vcs->decimation, vcs->line_size); |
| 1483 | } |
| 1484 | |
| 1485 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1486 | static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1487 | { |
| 1488 | vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, |
| 1489 | vino_data_norms[vcs->data_norm].height); |
| 1490 | } |
| 1491 | |
| 1492 | /* execute with input_lock locked */ |
| 1493 | static void vino_set_scaling(struct vino_channel_settings *vcs, |
| 1494 | unsigned int w, unsigned int h) |
| 1495 | { |
| 1496 | unsigned int x, y, curw, curh, d; |
| 1497 | |
| 1498 | x = vcs->clipping.left; |
| 1499 | y = vcs->clipping.top; |
| 1500 | curw = vcs->clipping.right - vcs->clipping.left; |
| 1501 | curh = vcs->clipping.bottom - vcs->clipping.top; |
| 1502 | |
| 1503 | d = max(curw / w, curh / h); |
| 1504 | |
| 1505 | dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n", |
| 1506 | w, h, curw, curh, d); |
| 1507 | |
| 1508 | if (d < 1) { |
| 1509 | d = 1; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1510 | } else if (d > 8) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1511 | d = 8; |
| 1512 | } |
| 1513 | |
| 1514 | vcs->decimation = d; |
| 1515 | vino_set_clipping(vcs, x, y, w * d, h * d); |
| 1516 | |
| 1517 | dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left, |
| 1518 | vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom, |
| 1519 | vcs->decimation, vcs->line_size); |
| 1520 | } |
| 1521 | |
| 1522 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1523 | static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1524 | { |
| 1525 | vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, |
| 1526 | vcs->clipping.bottom - vcs->clipping.top); |
| 1527 | } |
| 1528 | |
| 1529 | /* execute with input_lock locked */ |
| 1530 | static void vino_set_framerate(struct vino_channel_settings *vcs, |
| 1531 | unsigned int fps) |
| 1532 | { |
| 1533 | unsigned int mask; |
| 1534 | |
| 1535 | switch (vcs->data_norm) { |
| 1536 | case VINO_DATA_NORM_NTSC: |
| 1537 | case VINO_DATA_NORM_D1: |
| 1538 | fps = (unsigned int)(fps / 6) * 6; // FIXME: round! |
| 1539 | |
| 1540 | if (fps < vino_data_norms[vcs->data_norm].fps_min) |
| 1541 | fps = vino_data_norms[vcs->data_norm].fps_min; |
| 1542 | if (fps > vino_data_norms[vcs->data_norm].fps_max) |
| 1543 | fps = vino_data_norms[vcs->data_norm].fps_max; |
| 1544 | |
| 1545 | switch (fps) { |
| 1546 | case 6: |
| 1547 | mask = 0x003; |
| 1548 | break; |
| 1549 | case 12: |
| 1550 | mask = 0x0c3; |
| 1551 | break; |
| 1552 | case 18: |
| 1553 | mask = 0x333; |
| 1554 | break; |
| 1555 | case 24: |
| 1556 | mask = 0x3ff; |
| 1557 | break; |
| 1558 | case 30: |
| 1559 | mask = 0xfff; |
| 1560 | break; |
| 1561 | default: |
| 1562 | mask = VINO_FRAMERT_FULL; |
| 1563 | } |
| 1564 | vcs->framert_reg = VINO_FRAMERT_RT(mask); |
| 1565 | break; |
| 1566 | case VINO_DATA_NORM_PAL: |
| 1567 | case VINO_DATA_NORM_SECAM: |
| 1568 | fps = (unsigned int)(fps / 5) * 5; // FIXME: round! |
| 1569 | |
| 1570 | if (fps < vino_data_norms[vcs->data_norm].fps_min) |
| 1571 | fps = vino_data_norms[vcs->data_norm].fps_min; |
| 1572 | if (fps > vino_data_norms[vcs->data_norm].fps_max) |
| 1573 | fps = vino_data_norms[vcs->data_norm].fps_max; |
| 1574 | |
| 1575 | switch (fps) { |
| 1576 | case 5: |
| 1577 | mask = 0x003; |
| 1578 | break; |
| 1579 | case 10: |
| 1580 | mask = 0x0c3; |
| 1581 | break; |
| 1582 | case 15: |
| 1583 | mask = 0x333; |
| 1584 | break; |
| 1585 | case 20: |
| 1586 | mask = 0x0ff; |
| 1587 | break; |
| 1588 | case 25: |
| 1589 | mask = 0x3ff; |
| 1590 | break; |
| 1591 | default: |
| 1592 | mask = VINO_FRAMERT_FULL; |
| 1593 | } |
| 1594 | vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL; |
| 1595 | break; |
| 1596 | } |
| 1597 | |
| 1598 | vcs->fps = fps; |
| 1599 | } |
| 1600 | |
| 1601 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1602 | static inline void vino_set_default_framerate(struct |
| 1603 | vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1604 | { |
| 1605 | vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); |
| 1606 | } |
| 1607 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame] | 1608 | /* VINO I2C bus functions */ |
| 1609 | |
| 1610 | struct i2c_algo_sgi_data { |
| 1611 | void *data; /* private data for lowlevel routines */ |
| 1612 | unsigned (*getctrl)(void *data); |
| 1613 | void (*setctrl)(void *data, unsigned val); |
| 1614 | unsigned (*rdata)(void *data); |
| 1615 | void (*wdata)(void *data, unsigned val); |
| 1616 | |
| 1617 | int xfer_timeout; |
| 1618 | int ack_timeout; |
| 1619 | }; |
| 1620 | |
| 1621 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) |
| 1622 | { |
| 1623 | int i; |
| 1624 | |
| 1625 | for (i = 0; i < adap->xfer_timeout; i++) { |
| 1626 | if ((adap->getctrl(adap->data) & SGI_I2C_XFER_BUSY) == 0) |
| 1627 | return 0; |
| 1628 | udelay(1); |
| 1629 | } |
| 1630 | |
| 1631 | return -ETIMEDOUT; |
| 1632 | } |
| 1633 | |
| 1634 | static int wait_ack(struct i2c_algo_sgi_data *adap) |
| 1635 | { |
| 1636 | int i; |
| 1637 | |
| 1638 | if (wait_xfer_done(adap)) |
| 1639 | return -ETIMEDOUT; |
| 1640 | for (i = 0; i < adap->ack_timeout; i++) { |
| 1641 | if ((adap->getctrl(adap->data) & SGI_I2C_NACK) == 0) |
| 1642 | return 0; |
| 1643 | udelay(1); |
| 1644 | } |
| 1645 | |
| 1646 | return -ETIMEDOUT; |
| 1647 | } |
| 1648 | |
| 1649 | static int force_idle(struct i2c_algo_sgi_data *adap) |
| 1650 | { |
| 1651 | int i; |
| 1652 | |
| 1653 | adap->setctrl(adap->data, SGI_I2C_FORCE_IDLE); |
| 1654 | for (i = 0; i < adap->xfer_timeout; i++) { |
| 1655 | if ((adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) == 0) |
| 1656 | goto out; |
| 1657 | udelay(1); |
| 1658 | } |
| 1659 | return -ETIMEDOUT; |
| 1660 | out: |
| 1661 | if (adap->getctrl(adap->data) & SGI_I2C_BUS_ERR) |
| 1662 | return -EIO; |
| 1663 | return 0; |
| 1664 | } |
| 1665 | |
| 1666 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, |
| 1667 | int rd) |
| 1668 | { |
| 1669 | if (rd) |
| 1670 | adap->setctrl(adap->data, SGI_I2C_NOT_IDLE); |
| 1671 | /* Check if bus is idle, eventually force it to do so */ |
| 1672 | if (adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) |
| 1673 | if (force_idle(adap)) |
| 1674 | return -EIO; |
| 1675 | /* Write out the i2c chip address and specify operation */ |
| 1676 | adap->setctrl(adap->data, |
| 1677 | SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); |
| 1678 | if (rd) |
| 1679 | addr |= 1; |
| 1680 | adap->wdata(adap->data, addr); |
| 1681 | if (wait_ack(adap)) |
| 1682 | return -EIO; |
| 1683 | return 0; |
| 1684 | } |
| 1685 | |
| 1686 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, |
| 1687 | unsigned int len) |
| 1688 | { |
| 1689 | int i; |
| 1690 | |
| 1691 | adap->setctrl(adap->data, |
| 1692 | SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); |
| 1693 | for (i = 0; i < len; i++) { |
| 1694 | if (wait_xfer_done(adap)) |
| 1695 | return -EIO; |
| 1696 | buf[i] = adap->rdata(adap->data); |
| 1697 | } |
| 1698 | adap->setctrl(adap->data, SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); |
| 1699 | |
| 1700 | return 0; |
| 1701 | |
| 1702 | } |
| 1703 | |
| 1704 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, |
| 1705 | unsigned int len) |
| 1706 | { |
| 1707 | int i; |
| 1708 | |
| 1709 | /* We are already in write state */ |
| 1710 | for (i = 0; i < len; i++) { |
| 1711 | adap->wdata(adap->data, buf[i]); |
| 1712 | if (wait_ack(adap)) |
| 1713 | return -EIO; |
| 1714 | } |
| 1715 | return 0; |
| 1716 | } |
| 1717 | |
| 1718 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, |
| 1719 | int num) |
| 1720 | { |
| 1721 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; |
| 1722 | struct i2c_msg *p; |
| 1723 | int i, err = 0; |
| 1724 | |
| 1725 | for (i = 0; !err && i < num; i++) { |
| 1726 | p = &msgs[i]; |
| 1727 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); |
| 1728 | if (err || !p->len) |
| 1729 | continue; |
| 1730 | if (p->flags & I2C_M_RD) |
| 1731 | err = i2c_read(adap, p->buf, p->len); |
| 1732 | else |
| 1733 | err = i2c_write(adap, p->buf, p->len); |
| 1734 | } |
| 1735 | |
| 1736 | return (err < 0) ? err : i; |
| 1737 | } |
| 1738 | |
| 1739 | static u32 sgi_func(struct i2c_adapter *adap) |
| 1740 | { |
| 1741 | return I2C_FUNC_SMBUS_EMUL; |
| 1742 | } |
| 1743 | |
| 1744 | static const struct i2c_algorithm sgi_algo = { |
| 1745 | .master_xfer = sgi_xfer, |
| 1746 | .functionality = sgi_func, |
| 1747 | }; |
| 1748 | |
| 1749 | static unsigned i2c_vino_getctrl(void *data) |
| 1750 | { |
| 1751 | return vino->i2c_control; |
| 1752 | } |
| 1753 | |
| 1754 | static void i2c_vino_setctrl(void *data, unsigned val) |
| 1755 | { |
| 1756 | vino->i2c_control = val; |
| 1757 | } |
| 1758 | |
| 1759 | static unsigned i2c_vino_rdata(void *data) |
| 1760 | { |
| 1761 | return vino->i2c_data; |
| 1762 | } |
| 1763 | |
| 1764 | static void i2c_vino_wdata(void *data, unsigned val) |
| 1765 | { |
| 1766 | vino->i2c_data = val; |
| 1767 | } |
| 1768 | |
| 1769 | static struct i2c_algo_sgi_data i2c_sgi_vino_data = { |
| 1770 | .getctrl = &i2c_vino_getctrl, |
| 1771 | .setctrl = &i2c_vino_setctrl, |
| 1772 | .rdata = &i2c_vino_rdata, |
| 1773 | .wdata = &i2c_vino_wdata, |
| 1774 | .xfer_timeout = 200, |
| 1775 | .ack_timeout = 1000, |
| 1776 | }; |
| 1777 | |
| 1778 | static struct i2c_adapter vino_i2c_adapter = { |
| 1779 | .name = "VINO I2C bus", |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame] | 1780 | .algo = &sgi_algo, |
| 1781 | .algo_data = &i2c_sgi_vino_data, |
| 1782 | .owner = THIS_MODULE, |
| 1783 | }; |
| 1784 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1785 | /* |
| 1786 | * Prepare VINO for DMA transfer... |
| 1787 | * (execute only with vino_lock and input_lock locked) |
| 1788 | */ |
| 1789 | static int vino_dma_setup(struct vino_channel_settings *vcs, |
| 1790 | struct vino_framebuffer *fb) |
| 1791 | { |
| 1792 | u32 ctrl, intr; |
| 1793 | struct sgi_vino_channel *ch; |
| 1794 | const struct vino_data_norm *norm; |
| 1795 | |
| 1796 | dprintk("vino_dma_setup():\n"); |
| 1797 | |
| 1798 | vcs->field = 0; |
| 1799 | fb->frame_counter = 0; |
| 1800 | |
| 1801 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; |
| 1802 | norm = &vino_data_norms[vcs->data_norm]; |
| 1803 | |
| 1804 | ch->page_index = 0; |
| 1805 | ch->line_count = 0; |
| 1806 | |
| 1807 | /* VINO line size register is set 8 bytes less than actual */ |
| 1808 | ch->line_size = vcs->line_size - 8; |
| 1809 | |
| 1810 | /* let VINO know where to transfer data */ |
| 1811 | ch->start_desc_tbl = fb->desc_table.dma; |
| 1812 | ch->next_4_desc = fb->desc_table.dma; |
| 1813 | |
| 1814 | /* give vino time to fetch the first four descriptors, 5 usec |
| 1815 | * should be more than enough time */ |
| 1816 | udelay(VINO_DESC_FETCH_DELAY); |
| 1817 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1818 | dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", |
| 1819 | ch->start_desc_tbl, ch->next_4_desc); |
| 1820 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1821 | /* set the alpha register */ |
| 1822 | ch->alpha = vcs->alpha; |
| 1823 | |
| 1824 | /* set clipping registers */ |
| 1825 | ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) | |
| 1826 | VINO_CLIP_EVEN(norm->even.top + |
| 1827 | vcs->clipping.top / 2) | |
| 1828 | VINO_CLIP_X(vcs->clipping.left); |
| 1829 | ch->clip_end = VINO_CLIP_ODD(norm->odd.top + |
| 1830 | vcs->clipping.bottom / 2 - 1) | |
| 1831 | VINO_CLIP_EVEN(norm->even.top + |
| 1832 | vcs->clipping.bottom / 2 - 1) | |
| 1833 | VINO_CLIP_X(vcs->clipping.right); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1834 | |
| 1835 | /* set the size of actual content in the buffer (DECIMATION !) */ |
| 1836 | fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / |
| 1837 | vcs->decimation) * |
| 1838 | ((vcs->clipping.bottom - vcs->clipping.top) / |
| 1839 | vcs->decimation) * |
| 1840 | vino_data_formats[vcs->data_format].bpp; |
| 1841 | |
| 1842 | ch->frame_rate = vcs->framert_reg; |
| 1843 | |
| 1844 | ctrl = vino->control; |
| 1845 | intr = vino->intr_status; |
| 1846 | |
| 1847 | if (vcs->channel == VINO_CHANNEL_A) { |
| 1848 | /* All interrupt conditions for this channel was cleared |
| 1849 | * so clear the interrupt status register and enable |
| 1850 | * interrupts */ |
| 1851 | intr &= ~VINO_INTSTAT_A; |
| 1852 | ctrl |= VINO_CTRL_A_INT; |
| 1853 | |
| 1854 | /* enable synchronization */ |
| 1855 | ctrl |= VINO_CTRL_A_SYNC_ENBL; |
| 1856 | |
| 1857 | /* enable frame assembly */ |
| 1858 | ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL; |
| 1859 | |
| 1860 | /* set decimation used */ |
| 1861 | if (vcs->decimation < 2) |
| 1862 | ctrl &= ~VINO_CTRL_A_DEC_ENBL; |
| 1863 | else { |
| 1864 | ctrl |= VINO_CTRL_A_DEC_ENBL; |
| 1865 | ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK; |
| 1866 | ctrl |= (vcs->decimation - 1) << |
| 1867 | VINO_CTRL_A_DEC_SCALE_SHIFT; |
| 1868 | } |
| 1869 | |
| 1870 | /* select input interface */ |
| 1871 | if (vcs->input == VINO_INPUT_D1) |
| 1872 | ctrl |= VINO_CTRL_A_SELECT; |
| 1873 | else |
| 1874 | ctrl &= ~VINO_CTRL_A_SELECT; |
| 1875 | |
| 1876 | /* palette */ |
| 1877 | ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB | |
| 1878 | VINO_CTRL_A_DITHER); |
| 1879 | } else { |
| 1880 | intr &= ~VINO_INTSTAT_B; |
| 1881 | ctrl |= VINO_CTRL_B_INT; |
| 1882 | |
| 1883 | ctrl |= VINO_CTRL_B_SYNC_ENBL; |
| 1884 | ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL; |
| 1885 | |
| 1886 | if (vcs->decimation < 2) |
| 1887 | ctrl &= ~VINO_CTRL_B_DEC_ENBL; |
| 1888 | else { |
| 1889 | ctrl |= VINO_CTRL_B_DEC_ENBL; |
| 1890 | ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK; |
| 1891 | ctrl |= (vcs->decimation - 1) << |
| 1892 | VINO_CTRL_B_DEC_SCALE_SHIFT; |
| 1893 | |
| 1894 | } |
| 1895 | if (vcs->input == VINO_INPUT_D1) |
| 1896 | ctrl |= VINO_CTRL_B_SELECT; |
| 1897 | else |
| 1898 | ctrl &= ~VINO_CTRL_B_SELECT; |
| 1899 | |
| 1900 | ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB | |
| 1901 | VINO_CTRL_B_DITHER); |
| 1902 | } |
| 1903 | |
| 1904 | /* set palette */ |
| 1905 | fb->data_format = vcs->data_format; |
| 1906 | |
| 1907 | switch (vcs->data_format) { |
| 1908 | case VINO_DATA_FMT_GREY: |
| 1909 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1910 | VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY; |
| 1911 | break; |
| 1912 | case VINO_DATA_FMT_RGB32: |
| 1913 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1914 | VINO_CTRL_A_RGB : VINO_CTRL_B_RGB; |
| 1915 | break; |
| 1916 | case VINO_DATA_FMT_YUV: |
| 1917 | /* nothing needs to be done */ |
| 1918 | break; |
| 1919 | case VINO_DATA_FMT_RGB332: |
| 1920 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1921 | VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER : |
| 1922 | VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER; |
| 1923 | break; |
| 1924 | } |
| 1925 | |
| 1926 | vino->intr_status = intr; |
| 1927 | vino->control = ctrl; |
| 1928 | |
| 1929 | return 0; |
| 1930 | } |
| 1931 | |
| 1932 | /* (execute only with vino_lock locked) */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1933 | static inline void vino_dma_start(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1934 | { |
| 1935 | u32 ctrl = vino->control; |
| 1936 | |
| 1937 | dprintk("vino_dma_start():\n"); |
| 1938 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1939 | VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL; |
| 1940 | vino->control = ctrl; |
| 1941 | } |
| 1942 | |
| 1943 | /* (execute only with vino_lock locked) */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1944 | static inline void vino_dma_stop(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1945 | { |
| 1946 | u32 ctrl = vino->control; |
| 1947 | |
| 1948 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
| 1949 | ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1950 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
| 1951 | ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1952 | vino->control = ctrl; |
| 1953 | dprintk("vino_dma_stop():\n"); |
| 1954 | } |
| 1955 | |
| 1956 | /* |
| 1957 | * Load dummy page to descriptor registers. This prevents generating of |
| 1958 | * spurious interrupts. (execute only with vino_lock locked) |
| 1959 | */ |
| 1960 | static void vino_clear_interrupt(struct vino_channel_settings *vcs) |
| 1961 | { |
| 1962 | struct sgi_vino_channel *ch; |
| 1963 | |
| 1964 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; |
| 1965 | |
| 1966 | ch->page_index = 0; |
| 1967 | ch->line_count = 0; |
| 1968 | |
| 1969 | ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma; |
| 1970 | ch->next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 1971 | |
| 1972 | udelay(VINO_DESC_FETCH_DELAY); |
| 1973 | dprintk("channel %c clear interrupt condition\n", |
| 1974 | (vcs->channel == VINO_CHANNEL_A) ? 'A':'B'); |
| 1975 | } |
| 1976 | |
| 1977 | static int vino_capture(struct vino_channel_settings *vcs, |
| 1978 | struct vino_framebuffer *fb) |
| 1979 | { |
| 1980 | int err = 0; |
| 1981 | unsigned long flags, flags2; |
| 1982 | |
| 1983 | spin_lock_irqsave(&fb->state_lock, flags); |
| 1984 | |
| 1985 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) |
| 1986 | err = -EBUSY; |
| 1987 | fb->state = VINO_FRAMEBUFFER_IN_USE; |
| 1988 | |
| 1989 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 1990 | |
| 1991 | if (err) |
| 1992 | return err; |
| 1993 | |
| 1994 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 1995 | spin_lock_irqsave(&vino_drvdata->input_lock, flags2); |
| 1996 | |
| 1997 | vino_dma_setup(vcs, fb); |
| 1998 | vino_dma_start(vcs); |
| 1999 | |
| 2000 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2); |
| 2001 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 2002 | |
| 2003 | return err; |
| 2004 | } |
| 2005 | |
| 2006 | static |
| 2007 | struct vino_framebuffer *vino_capture_enqueue(struct |
| 2008 | vino_channel_settings *vcs, |
| 2009 | unsigned int index) |
| 2010 | { |
| 2011 | struct vino_framebuffer *fb; |
| 2012 | unsigned long flags; |
| 2013 | |
| 2014 | dprintk("vino_capture_enqueue():\n"); |
| 2015 | |
| 2016 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2017 | |
| 2018 | fb = vino_queue_add(&vcs->fb_queue, index); |
| 2019 | if (fb == NULL) { |
| 2020 | dprintk("vino_capture_enqueue(): vino_queue_add() failed, " |
| 2021 | "queue full?\n"); |
| 2022 | goto out; |
| 2023 | } |
| 2024 | out: |
| 2025 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2026 | |
| 2027 | return fb; |
| 2028 | } |
| 2029 | |
| 2030 | static int vino_capture_next(struct vino_channel_settings *vcs, int start) |
| 2031 | { |
| 2032 | struct vino_framebuffer *fb; |
| 2033 | unsigned int incoming, id; |
| 2034 | int err = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2035 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2036 | |
| 2037 | dprintk("vino_capture_next():\n"); |
| 2038 | |
| 2039 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2040 | |
| 2041 | if (start) { |
| 2042 | /* start capture only if capture isn't in progress already */ |
| 2043 | if (vcs->capturing) { |
| 2044 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2045 | return 0; |
| 2046 | } |
| 2047 | |
| 2048 | } else { |
| 2049 | /* capture next frame: |
| 2050 | * stop capture if capturing is not set */ |
| 2051 | if (!vcs->capturing) { |
| 2052 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2053 | return 0; |
| 2054 | } |
| 2055 | } |
| 2056 | |
| 2057 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 2058 | if (err) { |
| 2059 | dprintk("vino_capture_next(): vino_queue_get_incoming() " |
| 2060 | "failed\n"); |
| 2061 | err = -EINVAL; |
| 2062 | goto out; |
| 2063 | } |
| 2064 | if (incoming == 0) { |
| 2065 | dprintk("vino_capture_next(): no buffers available\n"); |
| 2066 | goto out; |
| 2067 | } |
| 2068 | |
| 2069 | fb = vino_queue_peek(&vcs->fb_queue, &id); |
| 2070 | if (fb == NULL) { |
| 2071 | dprintk("vino_capture_next(): vino_queue_peek() failed\n"); |
| 2072 | err = -EINVAL; |
| 2073 | goto out; |
| 2074 | } |
| 2075 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2076 | if (start) { |
| 2077 | vcs->capturing = 1; |
| 2078 | } |
| 2079 | |
| 2080 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2081 | |
| 2082 | err = vino_capture(vcs, fb); |
| 2083 | |
| 2084 | return err; |
| 2085 | |
| 2086 | out: |
| 2087 | vcs->capturing = 0; |
| 2088 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2089 | |
| 2090 | return err; |
| 2091 | } |
| 2092 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2093 | static inline int vino_is_capturing(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2094 | { |
| 2095 | int ret; |
| 2096 | unsigned long flags; |
| 2097 | |
| 2098 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2099 | |
| 2100 | ret = vcs->capturing; |
| 2101 | |
| 2102 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2103 | |
| 2104 | return ret; |
| 2105 | } |
| 2106 | |
| 2107 | /* waits until a frame is captured */ |
| 2108 | static int vino_wait_for_frame(struct vino_channel_settings *vcs) |
| 2109 | { |
| 2110 | wait_queue_t wait; |
| 2111 | int err = 0; |
| 2112 | |
| 2113 | dprintk("vino_wait_for_frame():\n"); |
| 2114 | |
| 2115 | init_waitqueue_entry(&wait, current); |
| 2116 | /* add ourselves into wait queue */ |
| 2117 | add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2118 | |
| 2119 | /* to ensure that schedule_timeout will return immediately |
Robert P. J. Day | f3a43d3 | 2007-07-16 10:46:42 -0300 | [diff] [blame] | 2120 | * if VINO interrupt was triggered meanwhile */ |
Mauro Carvalho Chehab | 818ca47 | 2007-07-17 16:29:07 -0300 | [diff] [blame] | 2121 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2122 | |
| 2123 | if (signal_pending(current)) |
| 2124 | err = -EINTR; |
| 2125 | |
| 2126 | remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); |
| 2127 | |
| 2128 | dprintk("vino_wait_for_frame(): waiting for frame %s\n", |
| 2129 | err ? "failed" : "ok"); |
| 2130 | |
| 2131 | return err; |
| 2132 | } |
| 2133 | |
| 2134 | /* the function assumes that PAGE_SIZE % 4 == 0 */ |
| 2135 | static void vino_convert_to_rgba(struct vino_framebuffer *fb) { |
| 2136 | unsigned char *pageptr; |
| 2137 | unsigned int page, i; |
| 2138 | unsigned char a; |
| 2139 | |
| 2140 | for (page = 0; page < fb->desc_table.page_count; page++) { |
| 2141 | pageptr = (unsigned char *)fb->desc_table.virtual[page]; |
| 2142 | |
| 2143 | for (i = 0; i < PAGE_SIZE; i += 4) { |
| 2144 | a = pageptr[0]; |
| 2145 | pageptr[0] = pageptr[3]; |
| 2146 | pageptr[1] = pageptr[2]; |
| 2147 | pageptr[2] = pageptr[1]; |
| 2148 | pageptr[3] = a; |
| 2149 | pageptr += 4; |
| 2150 | } |
| 2151 | } |
| 2152 | } |
| 2153 | |
| 2154 | /* checks if the buffer is in correct state and syncs data */ |
| 2155 | static int vino_check_buffer(struct vino_channel_settings *vcs, |
| 2156 | struct vino_framebuffer *fb) |
| 2157 | { |
| 2158 | int err = 0; |
| 2159 | unsigned long flags; |
| 2160 | |
| 2161 | dprintk("vino_check_buffer():\n"); |
| 2162 | |
| 2163 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2164 | switch (fb->state) { |
| 2165 | case VINO_FRAMEBUFFER_IN_USE: |
| 2166 | err = -EIO; |
| 2167 | break; |
| 2168 | case VINO_FRAMEBUFFER_READY: |
| 2169 | vino_sync_buffer(fb); |
| 2170 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2171 | break; |
| 2172 | default: |
| 2173 | err = -EINVAL; |
| 2174 | } |
| 2175 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2176 | |
| 2177 | if (!err) { |
| 2178 | if (vino_pixel_conversion |
| 2179 | && (fb->data_format == VINO_DATA_FMT_RGB32)) { |
| 2180 | vino_convert_to_rgba(fb); |
| 2181 | } |
| 2182 | } else if (err && (err != -EINVAL)) { |
| 2183 | dprintk("vino_check_buffer(): buffer not ready\n"); |
| 2184 | |
| 2185 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 2186 | vino_dma_stop(vcs); |
| 2187 | vino_clear_interrupt(vcs); |
| 2188 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 2189 | } |
| 2190 | |
| 2191 | return err; |
| 2192 | } |
| 2193 | |
| 2194 | /* forcefully terminates capture */ |
| 2195 | static void vino_capture_stop(struct vino_channel_settings *vcs) |
| 2196 | { |
| 2197 | unsigned int incoming = 0, outgoing = 0, id; |
| 2198 | unsigned long flags, flags2; |
| 2199 | |
| 2200 | dprintk("vino_capture_stop():\n"); |
| 2201 | |
| 2202 | spin_lock_irqsave(&vcs->capture_lock, flags); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2203 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2204 | /* unset capturing to stop queue processing */ |
| 2205 | vcs->capturing = 0; |
| 2206 | |
| 2207 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags2); |
| 2208 | |
| 2209 | vino_dma_stop(vcs); |
| 2210 | vino_clear_interrupt(vcs); |
| 2211 | |
| 2212 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2); |
| 2213 | |
| 2214 | /* remove all items from the queue */ |
| 2215 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { |
| 2216 | dprintk("vino_capture_stop(): " |
| 2217 | "vino_queue_get_incoming() failed\n"); |
| 2218 | goto out; |
| 2219 | } |
| 2220 | while (incoming > 0) { |
| 2221 | vino_queue_transfer(&vcs->fb_queue); |
| 2222 | |
| 2223 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { |
| 2224 | dprintk("vino_capture_stop(): " |
| 2225 | "vino_queue_get_incoming() failed\n"); |
| 2226 | goto out; |
| 2227 | } |
| 2228 | } |
| 2229 | |
| 2230 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 2231 | dprintk("vino_capture_stop(): " |
| 2232 | "vino_queue_get_outgoing() failed\n"); |
| 2233 | goto out; |
| 2234 | } |
| 2235 | while (outgoing > 0) { |
| 2236 | vino_queue_remove(&vcs->fb_queue, &id); |
| 2237 | |
| 2238 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 2239 | dprintk("vino_capture_stop(): " |
| 2240 | "vino_queue_get_outgoing() failed\n"); |
| 2241 | goto out; |
| 2242 | } |
| 2243 | } |
| 2244 | |
| 2245 | out: |
| 2246 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2247 | } |
| 2248 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2249 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2250 | static int vino_capture_failed(struct vino_channel_settings *vcs) |
| 2251 | { |
| 2252 | struct vino_framebuffer *fb; |
| 2253 | unsigned long flags; |
| 2254 | unsigned int i; |
| 2255 | int ret; |
| 2256 | |
| 2257 | dprintk("vino_capture_failed():\n"); |
| 2258 | |
| 2259 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 2260 | |
| 2261 | vino_dma_stop(vcs); |
| 2262 | vino_clear_interrupt(vcs); |
| 2263 | |
| 2264 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 2265 | |
| 2266 | ret = vino_queue_get_incoming(&vcs->fb_queue, &i); |
| 2267 | if (ret == VINO_QUEUE_ERROR) { |
| 2268 | dprintk("vino_queue_get_incoming() failed\n"); |
| 2269 | return -EINVAL; |
| 2270 | } |
| 2271 | if (i == 0) { |
| 2272 | /* no buffers to process */ |
| 2273 | return 0; |
| 2274 | } |
| 2275 | |
| 2276 | fb = vino_queue_peek(&vcs->fb_queue, &i); |
| 2277 | if (fb == NULL) { |
| 2278 | dprintk("vino_queue_peek() failed\n"); |
| 2279 | return -EINVAL; |
| 2280 | } |
| 2281 | |
| 2282 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2283 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) { |
| 2284 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2285 | vino_queue_transfer(&vcs->fb_queue); |
| 2286 | vino_queue_remove(&vcs->fb_queue, &i); |
| 2287 | /* we should actually discard the newest frame, |
| 2288 | * but who cares ... */ |
| 2289 | } |
| 2290 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2291 | |
| 2292 | return 0; |
| 2293 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2294 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2295 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2296 | static void vino_skip_frame(struct vino_channel_settings *vcs) |
| 2297 | { |
| 2298 | struct vino_framebuffer *fb; |
| 2299 | unsigned long flags; |
| 2300 | unsigned int id; |
| 2301 | |
| 2302 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2303 | fb = vino_queue_peek(&vcs->fb_queue, &id); |
| 2304 | if (!fb) { |
| 2305 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2306 | dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); |
| 2307 | return; |
| 2308 | } |
| 2309 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2310 | |
| 2311 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2312 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2313 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2314 | |
| 2315 | vino_capture_next(vcs, 0); |
| 2316 | } |
| 2317 | |
| 2318 | static void vino_frame_done(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2319 | { |
| 2320 | struct vino_framebuffer *fb; |
| 2321 | unsigned long flags; |
| 2322 | |
| 2323 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2324 | fb = vino_queue_transfer(&vcs->fb_queue); |
| 2325 | if (!fb) { |
| 2326 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2327 | dprintk("vino_frame_done(): vino_queue_transfer() failed!\n"); |
| 2328 | return; |
| 2329 | } |
| 2330 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2331 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2332 | fb->frame_counter = vcs->int_data.frame_counter; |
| 2333 | memcpy(&fb->timestamp, &vcs->int_data.timestamp, |
| 2334 | sizeof(struct timeval)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2335 | |
| 2336 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2337 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) |
| 2338 | fb->state = VINO_FRAMEBUFFER_READY; |
| 2339 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2340 | |
| 2341 | wake_up(&vcs->fb_queue.frame_wait_queue); |
| 2342 | |
| 2343 | vino_capture_next(vcs, 0); |
| 2344 | } |
| 2345 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2346 | static void vino_capture_tasklet(unsigned long channel) { |
| 2347 | struct vino_channel_settings *vcs; |
| 2348 | |
| 2349 | vcs = (channel == VINO_CHANNEL_A) |
| 2350 | ? &vino_drvdata->a : &vino_drvdata->b; |
| 2351 | |
| 2352 | if (vcs->int_data.skip) |
| 2353 | vcs->int_data.skip_count++; |
| 2354 | |
| 2355 | if (vcs->int_data.skip && (vcs->int_data.skip_count |
| 2356 | <= VINO_MAX_FRAME_SKIP_COUNT)) { |
| 2357 | vino_skip_frame(vcs); |
| 2358 | } else { |
| 2359 | vcs->int_data.skip_count = 0; |
| 2360 | vino_frame_done(vcs); |
| 2361 | } |
| 2362 | } |
| 2363 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2364 | static irqreturn_t vino_interrupt(int irq, void *dev_id) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2365 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2366 | u32 ctrl, intr; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2367 | unsigned int fc_a, fc_b; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2368 | int handled_a = 0, skip_a = 0, done_a = 0; |
| 2369 | int handled_b = 0, skip_b = 0, done_b = 0; |
| 2370 | |
| 2371 | #ifdef VINO_DEBUG_INT |
| 2372 | int loop = 0; |
| 2373 | unsigned int line_count = vino->a.line_count, |
| 2374 | page_index = vino->a.page_index, |
| 2375 | field_counter = vino->a.field_counter, |
| 2376 | start_desc_tbl = vino->a.start_desc_tbl, |
| 2377 | next_4_desc = vino->a.next_4_desc; |
| 2378 | unsigned int line_count_2, |
| 2379 | page_index_2, |
| 2380 | field_counter_2, |
| 2381 | start_desc_tbl_2, |
| 2382 | next_4_desc_2; |
| 2383 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2384 | |
| 2385 | spin_lock(&vino_drvdata->vino_lock); |
| 2386 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2387 | while ((intr = vino->intr_status)) { |
| 2388 | fc_a = vino->a.field_counter >> 1; |
| 2389 | fc_b = vino->b.field_counter >> 1; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2390 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2391 | /* handle error-interrupts in some special way ? |
| 2392 | * --> skips frames */ |
| 2393 | if (intr & VINO_INTSTAT_A) { |
| 2394 | if (intr & VINO_INTSTAT_A_EOF) { |
| 2395 | vino_drvdata->a.field++; |
| 2396 | if (vino_drvdata->a.field > 1) { |
| 2397 | vino_dma_stop(&vino_drvdata->a); |
| 2398 | vino_clear_interrupt(&vino_drvdata->a); |
| 2399 | vino_drvdata->a.field = 0; |
| 2400 | done_a = 1; |
| 2401 | } else { |
| 2402 | if (vino->a.page_index |
| 2403 | != vino_drvdata->a.line_size) { |
| 2404 | vino->a.line_count = 0; |
| 2405 | vino->a.page_index = |
| 2406 | vino_drvdata-> |
| 2407 | a.line_size; |
| 2408 | vino->a.next_4_desc = |
| 2409 | vino->a.start_desc_tbl; |
| 2410 | } |
| 2411 | } |
| 2412 | dprintk("channel A end-of-field " |
| 2413 | "interrupt: %04x\n", intr); |
| 2414 | } else { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2415 | vino_dma_stop(&vino_drvdata->a); |
| 2416 | vino_clear_interrupt(&vino_drvdata->a); |
| 2417 | vino_drvdata->a.field = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2418 | skip_a = 1; |
| 2419 | dprintk("channel A error interrupt: %04x\n", |
| 2420 | intr); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2421 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2422 | |
| 2423 | #ifdef VINO_DEBUG_INT |
| 2424 | line_count_2 = vino->a.line_count; |
| 2425 | page_index_2 = vino->a.page_index; |
| 2426 | field_counter_2 = vino->a.field_counter; |
| 2427 | start_desc_tbl_2 = vino->a.start_desc_tbl; |
| 2428 | next_4_desc_2 = vino->a.next_4_desc; |
| 2429 | |
| 2430 | printk("intr = %04x, loop = %d, field = %d\n", |
| 2431 | intr, loop, vino_drvdata->a.field); |
| 2432 | printk("1- line count = %04d, page index = %04d, " |
| 2433 | "start = %08x, next = %08x\n" |
| 2434 | " fieldc = %d, framec = %d\n", |
| 2435 | line_count, page_index, start_desc_tbl, |
| 2436 | next_4_desc, field_counter, fc_a); |
| 2437 | printk("12-line count = %04d, page index = %04d, " |
| 2438 | " start = %08x, next = %08x\n", |
| 2439 | line_count_2, page_index_2, start_desc_tbl_2, |
| 2440 | next_4_desc_2); |
| 2441 | |
| 2442 | if (done_a) |
| 2443 | printk("\n"); |
| 2444 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2445 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2446 | |
| 2447 | if (intr & VINO_INTSTAT_B) { |
| 2448 | if (intr & VINO_INTSTAT_B_EOF) { |
| 2449 | vino_drvdata->b.field++; |
| 2450 | if (vino_drvdata->b.field > 1) { |
| 2451 | vino_dma_stop(&vino_drvdata->b); |
| 2452 | vino_clear_interrupt(&vino_drvdata->b); |
| 2453 | vino_drvdata->b.field = 0; |
| 2454 | done_b = 1; |
| 2455 | } |
| 2456 | dprintk("channel B end-of-field " |
| 2457 | "interrupt: %04x\n", intr); |
| 2458 | } else { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2459 | vino_dma_stop(&vino_drvdata->b); |
| 2460 | vino_clear_interrupt(&vino_drvdata->b); |
| 2461 | vino_drvdata->b.field = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2462 | skip_b = 1; |
| 2463 | dprintk("channel B error interrupt: %04x\n", |
| 2464 | intr); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2465 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2466 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2467 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2468 | /* Always remember to clear interrupt status. |
| 2469 | * Disable VINO interrupts while we do this. */ |
| 2470 | ctrl = vino->control; |
| 2471 | vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); |
| 2472 | vino->intr_status = ~intr; |
| 2473 | vino->control = ctrl; |
| 2474 | |
| 2475 | spin_unlock(&vino_drvdata->vino_lock); |
| 2476 | |
| 2477 | if ((!handled_a) && (done_a || skip_a)) { |
| 2478 | if (!skip_a) { |
| 2479 | do_gettimeofday(&vino_drvdata-> |
| 2480 | a.int_data.timestamp); |
| 2481 | vino_drvdata->a.int_data.frame_counter = fc_a; |
| 2482 | } |
| 2483 | vino_drvdata->a.int_data.skip = skip_a; |
| 2484 | |
| 2485 | dprintk("channel A %s, interrupt: %d\n", |
| 2486 | skip_a ? "skipping frame" : "frame done", |
| 2487 | intr); |
| 2488 | tasklet_hi_schedule(&vino_tasklet_a); |
| 2489 | handled_a = 1; |
| 2490 | } |
| 2491 | |
| 2492 | if ((!handled_b) && (done_b || skip_b)) { |
| 2493 | if (!skip_b) { |
| 2494 | do_gettimeofday(&vino_drvdata-> |
| 2495 | b.int_data.timestamp); |
| 2496 | vino_drvdata->b.int_data.frame_counter = fc_b; |
| 2497 | } |
| 2498 | vino_drvdata->b.int_data.skip = skip_b; |
| 2499 | |
| 2500 | dprintk("channel B %s, interrupt: %d\n", |
| 2501 | skip_b ? "skipping frame" : "frame done", |
| 2502 | intr); |
| 2503 | tasklet_hi_schedule(&vino_tasklet_b); |
| 2504 | handled_b = 1; |
| 2505 | } |
| 2506 | |
| 2507 | #ifdef VINO_DEBUG_INT |
| 2508 | loop++; |
| 2509 | #endif |
| 2510 | spin_lock(&vino_drvdata->vino_lock); |
| 2511 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2512 | |
| 2513 | spin_unlock(&vino_drvdata->vino_lock); |
| 2514 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2515 | return IRQ_HANDLED; |
| 2516 | } |
| 2517 | |
| 2518 | /* VINO video input management */ |
| 2519 | |
| 2520 | static int vino_get_saa7191_input(int input) |
| 2521 | { |
| 2522 | switch (input) { |
| 2523 | case VINO_INPUT_COMPOSITE: |
| 2524 | return SAA7191_INPUT_COMPOSITE; |
| 2525 | case VINO_INPUT_SVIDEO: |
| 2526 | return SAA7191_INPUT_SVIDEO; |
| 2527 | default: |
| 2528 | printk(KERN_ERR "VINO: vino_get_saa7191_input(): " |
| 2529 | "invalid input!\n"); |
| 2530 | return -1; |
| 2531 | } |
| 2532 | } |
| 2533 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2534 | /* execute with input_lock locked */ |
| 2535 | static int vino_is_input_owner(struct vino_channel_settings *vcs) |
| 2536 | { |
| 2537 | switch(vcs->input) { |
| 2538 | case VINO_INPUT_COMPOSITE: |
| 2539 | case VINO_INPUT_SVIDEO: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2540 | return vino_drvdata->decoder_owner == vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2541 | case VINO_INPUT_D1: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2542 | return vino_drvdata->camera_owner == vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2543 | default: |
| 2544 | return 0; |
| 2545 | } |
| 2546 | } |
| 2547 | |
| 2548 | static int vino_acquire_input(struct vino_channel_settings *vcs) |
| 2549 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2550 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2551 | int ret = 0; |
| 2552 | |
| 2553 | dprintk("vino_acquire_input():\n"); |
| 2554 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2555 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2556 | |
| 2557 | /* First try D1 and then SAA7191 */ |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2558 | if (vino_drvdata->camera |
| 2559 | && (vino_drvdata->camera_owner == VINO_NO_CHANNEL)) { |
| 2560 | vino_drvdata->camera_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2561 | vcs->input = VINO_INPUT_D1; |
| 2562 | vcs->data_norm = VINO_DATA_NORM_D1; |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2563 | } else if (vino_drvdata->decoder |
| 2564 | && (vino_drvdata->decoder_owner == VINO_NO_CHANNEL)) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2565 | int input; |
| 2566 | int data_norm; |
| 2567 | v4l2_std_id norm; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2568 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2569 | input = VINO_INPUT_COMPOSITE; |
| 2570 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 2571 | ret = decoder_call(video, s_routing, |
| 2572 | vino_get_saa7191_input(input), 0, 0); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2573 | if (ret) { |
| 2574 | ret = -EINVAL; |
| 2575 | goto out; |
| 2576 | } |
| 2577 | |
| 2578 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 2579 | |
| 2580 | /* Don't hold spinlocks while auto-detecting norm |
| 2581 | * as it may take a while... */ |
| 2582 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2583 | ret = decoder_call(video, querystd, &norm); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2584 | if (!ret) { |
| 2585 | for (data_norm = 0; data_norm < 3; data_norm++) { |
| 2586 | if (vino_data_norms[data_norm].std & norm) |
| 2587 | break; |
| 2588 | } |
| 2589 | if (data_norm == 3) |
| 2590 | data_norm = VINO_DATA_NORM_PAL; |
Hans Verkuil | f41737e | 2009-04-01 03:52:39 -0300 | [diff] [blame] | 2591 | ret = decoder_call(core, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2592 | } |
| 2593 | |
| 2594 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 2595 | |
| 2596 | if (ret) { |
| 2597 | ret = -EINVAL; |
| 2598 | goto out; |
| 2599 | } |
| 2600 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2601 | vino_drvdata->decoder_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2602 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2603 | vcs->input = input; |
| 2604 | vcs->data_norm = data_norm; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2605 | } else { |
| 2606 | vcs->input = (vcs->channel == VINO_CHANNEL_A) ? |
| 2607 | vino_drvdata->b.input : vino_drvdata->a.input; |
| 2608 | vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ? |
| 2609 | vino_drvdata->b.data_norm : vino_drvdata->a.data_norm; |
| 2610 | } |
| 2611 | |
| 2612 | if (vcs->input == VINO_INPUT_NONE) { |
| 2613 | ret = -ENODEV; |
| 2614 | goto out; |
| 2615 | } |
| 2616 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2617 | vino_set_default_clipping(vcs); |
| 2618 | vino_set_default_scaling(vcs); |
| 2619 | vino_set_default_framerate(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2620 | |
| 2621 | dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); |
| 2622 | |
| 2623 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2624 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2625 | |
| 2626 | return ret; |
| 2627 | } |
| 2628 | |
| 2629 | static int vino_set_input(struct vino_channel_settings *vcs, int input) |
| 2630 | { |
| 2631 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? |
| 2632 | &vino_drvdata->b : &vino_drvdata->a; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2633 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2634 | int ret = 0; |
| 2635 | |
| 2636 | dprintk("vino_set_input():\n"); |
| 2637 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2638 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2639 | |
| 2640 | if (vcs->input == input) |
| 2641 | goto out; |
| 2642 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2643 | switch (input) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2644 | case VINO_INPUT_COMPOSITE: |
| 2645 | case VINO_INPUT_SVIDEO: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2646 | if (!vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2647 | ret = -EINVAL; |
| 2648 | goto out; |
| 2649 | } |
| 2650 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2651 | if (vino_drvdata->decoder_owner == VINO_NO_CHANNEL) { |
| 2652 | vino_drvdata->decoder_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2653 | } |
| 2654 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2655 | if (vino_drvdata->decoder_owner == vcs->channel) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2656 | int data_norm; |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2657 | v4l2_std_id norm; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2658 | |
Hans Verkuil | 5325b42 | 2009-04-02 11:26:22 -0300 | [diff] [blame] | 2659 | ret = decoder_call(video, s_routing, |
| 2660 | vino_get_saa7191_input(input), 0, 0); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2661 | if (ret) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2662 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2663 | ret = -EINVAL; |
| 2664 | goto out; |
| 2665 | } |
| 2666 | |
| 2667 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 2668 | |
| 2669 | /* Don't hold spinlocks while auto-detecting norm |
| 2670 | * as it may take a while... */ |
| 2671 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2672 | ret = decoder_call(video, querystd, &norm); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2673 | if (!ret) { |
| 2674 | for (data_norm = 0; data_norm < 3; data_norm++) { |
| 2675 | if (vino_data_norms[data_norm].std & norm) |
| 2676 | break; |
| 2677 | } |
| 2678 | if (data_norm == 3) |
| 2679 | data_norm = VINO_DATA_NORM_PAL; |
Hans Verkuil | f41737e | 2009-04-01 03:52:39 -0300 | [diff] [blame] | 2680 | ret = decoder_call(core, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2681 | } |
| 2682 | |
| 2683 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 2684 | |
| 2685 | if (ret) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2686 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2687 | ret = -EINVAL; |
| 2688 | goto out; |
| 2689 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2690 | |
| 2691 | vcs->input = input; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2692 | vcs->data_norm = data_norm; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2693 | } else { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2694 | if (input != vcs2->input) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2695 | ret = -EBUSY; |
| 2696 | goto out; |
| 2697 | } |
| 2698 | |
| 2699 | vcs->input = input; |
| 2700 | vcs->data_norm = vcs2->data_norm; |
| 2701 | } |
| 2702 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2703 | if (vino_drvdata->camera_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2704 | /* Transfer the ownership or release the input */ |
| 2705 | if (vcs2->input == VINO_INPUT_D1) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2706 | vino_drvdata->camera_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2707 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2708 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2709 | } |
| 2710 | } |
| 2711 | break; |
| 2712 | case VINO_INPUT_D1: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2713 | if (!vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2714 | ret = -EINVAL; |
| 2715 | goto out; |
| 2716 | } |
| 2717 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2718 | if (vino_drvdata->camera_owner == VINO_NO_CHANNEL) |
| 2719 | vino_drvdata->camera_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2720 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2721 | if (vino_drvdata->decoder_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2722 | /* Transfer the ownership or release the input */ |
| 2723 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
| 2724 | (vcs2->input == VINO_INPUT_SVIDEO)) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2725 | vino_drvdata->decoder_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2726 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2727 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2728 | } |
| 2729 | } |
| 2730 | |
| 2731 | vcs->input = input; |
| 2732 | vcs->data_norm = VINO_DATA_NORM_D1; |
| 2733 | break; |
| 2734 | default: |
| 2735 | ret = -EINVAL; |
| 2736 | goto out; |
| 2737 | } |
| 2738 | |
| 2739 | vino_set_default_clipping(vcs); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2740 | vino_set_default_scaling(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2741 | vino_set_default_framerate(vcs); |
| 2742 | |
| 2743 | dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); |
| 2744 | |
| 2745 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2746 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2747 | |
| 2748 | return ret; |
| 2749 | } |
| 2750 | |
| 2751 | static void vino_release_input(struct vino_channel_settings *vcs) |
| 2752 | { |
| 2753 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? |
| 2754 | &vino_drvdata->b : &vino_drvdata->a; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2755 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2756 | |
| 2757 | dprintk("vino_release_input():\n"); |
| 2758 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2759 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2760 | |
| 2761 | /* Release ownership of the channel |
| 2762 | * and if the other channel takes input from |
| 2763 | * the same source, transfer the ownership */ |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2764 | if (vino_drvdata->camera_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2765 | if (vcs2->input == VINO_INPUT_D1) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2766 | vino_drvdata->camera_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2767 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2768 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2769 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2770 | } else if (vino_drvdata->decoder_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2771 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
| 2772 | (vcs2->input == VINO_INPUT_SVIDEO)) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2773 | vino_drvdata->decoder_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2774 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2775 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2776 | } |
| 2777 | } |
| 2778 | vcs->input = VINO_INPUT_NONE; |
| 2779 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2780 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2781 | } |
| 2782 | |
| 2783 | /* execute with input_lock locked */ |
| 2784 | static int vino_set_data_norm(struct vino_channel_settings *vcs, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2785 | unsigned int data_norm, |
| 2786 | unsigned long *flags) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2787 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2788 | int err = 0; |
| 2789 | |
| 2790 | if (data_norm == vcs->data_norm) |
| 2791 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2792 | |
| 2793 | switch (vcs->input) { |
| 2794 | case VINO_INPUT_D1: |
| 2795 | /* only one "norm" supported */ |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2796 | if (data_norm != VINO_DATA_NORM_D1) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2797 | return -EINVAL; |
| 2798 | break; |
| 2799 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2800 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2801 | v4l2_std_id norm; |
| 2802 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2803 | if ((data_norm != VINO_DATA_NORM_PAL) |
| 2804 | && (data_norm != VINO_DATA_NORM_NTSC) |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2805 | && (data_norm != VINO_DATA_NORM_SECAM)) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2806 | return -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2807 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2808 | spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2809 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2810 | /* Don't hold spinlocks while setting norm |
| 2811 | * as it may take a while... */ |
| 2812 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2813 | norm = vino_data_norms[data_norm].std; |
Hans Verkuil | f41737e | 2009-04-01 03:52:39 -0300 | [diff] [blame] | 2814 | err = decoder_call(core, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2815 | |
| 2816 | spin_lock_irqsave(&vino_drvdata->input_lock, *flags); |
| 2817 | |
| 2818 | if (err) |
| 2819 | goto out; |
| 2820 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2821 | vcs->data_norm = data_norm; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2822 | |
| 2823 | vino_set_default_clipping(vcs); |
| 2824 | vino_set_default_scaling(vcs); |
| 2825 | vino_set_default_framerate(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2826 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2827 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2828 | default: |
| 2829 | return -EINVAL; |
| 2830 | } |
| 2831 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2832 | out: |
| 2833 | return err; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2834 | } |
| 2835 | |
| 2836 | /* V4L2 helper functions */ |
| 2837 | |
| 2838 | static int vino_find_data_format(__u32 pixelformat) |
| 2839 | { |
| 2840 | int i; |
| 2841 | |
| 2842 | for (i = 0; i < VINO_DATA_FMT_COUNT; i++) { |
| 2843 | if (vino_data_formats[i].pixelformat == pixelformat) |
| 2844 | return i; |
| 2845 | } |
| 2846 | |
| 2847 | return VINO_DATA_FMT_NONE; |
| 2848 | } |
| 2849 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2850 | static int vino_int_enum_input(struct vino_channel_settings *vcs, __u32 index) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2851 | { |
| 2852 | int input = VINO_INPUT_NONE; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2853 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2854 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2855 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2856 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2857 | switch (index) { |
| 2858 | case 0: |
| 2859 | input = VINO_INPUT_COMPOSITE; |
| 2860 | break; |
| 2861 | case 1: |
| 2862 | input = VINO_INPUT_SVIDEO; |
| 2863 | break; |
| 2864 | case 2: |
| 2865 | input = VINO_INPUT_D1; |
| 2866 | break; |
| 2867 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2868 | } else if (vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2869 | switch (index) { |
| 2870 | case 0: |
| 2871 | input = VINO_INPUT_COMPOSITE; |
| 2872 | break; |
| 2873 | case 1: |
| 2874 | input = VINO_INPUT_SVIDEO; |
| 2875 | break; |
| 2876 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2877 | } else if (vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2878 | switch (index) { |
| 2879 | case 0: |
| 2880 | input = VINO_INPUT_D1; |
| 2881 | break; |
| 2882 | } |
| 2883 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2884 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2885 | |
| 2886 | return input; |
| 2887 | } |
| 2888 | |
| 2889 | /* execute with input_lock locked */ |
| 2890 | static __u32 vino_find_input_index(struct vino_channel_settings *vcs) |
| 2891 | { |
| 2892 | __u32 index = 0; |
| 2893 | // FIXME: detect when no inputs available |
| 2894 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2895 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2896 | switch (vcs->input) { |
| 2897 | case VINO_INPUT_COMPOSITE: |
| 2898 | index = 0; |
| 2899 | break; |
| 2900 | case VINO_INPUT_SVIDEO: |
| 2901 | index = 1; |
| 2902 | break; |
| 2903 | case VINO_INPUT_D1: |
| 2904 | index = 2; |
| 2905 | break; |
| 2906 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2907 | } else if (vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2908 | switch (vcs->input) { |
| 2909 | case VINO_INPUT_COMPOSITE: |
| 2910 | index = 0; |
| 2911 | break; |
| 2912 | case VINO_INPUT_SVIDEO: |
| 2913 | index = 1; |
| 2914 | break; |
| 2915 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2916 | } else if (vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2917 | switch (vcs->input) { |
| 2918 | case VINO_INPUT_D1: |
| 2919 | index = 0; |
| 2920 | break; |
| 2921 | } |
| 2922 | } |
| 2923 | |
| 2924 | return index; |
| 2925 | } |
| 2926 | |
| 2927 | /* V4L2 ioctls */ |
| 2928 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2929 | static int vino_querycap(struct file *file, void *__fh, |
| 2930 | struct v4l2_capability *cap) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2931 | { |
| 2932 | memset(cap, 0, sizeof(struct v4l2_capability)); |
| 2933 | |
| 2934 | strcpy(cap->driver, vino_driver_name); |
| 2935 | strcpy(cap->card, vino_driver_description); |
| 2936 | strcpy(cap->bus_info, vino_bus_name); |
| 2937 | cap->version = VINO_VERSION_CODE; |
| 2938 | cap->capabilities = |
| 2939 | V4L2_CAP_VIDEO_CAPTURE | |
| 2940 | V4L2_CAP_STREAMING; |
| 2941 | // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2942 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2943 | } |
| 2944 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2945 | static int vino_enum_input(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2946 | struct v4l2_input *i) |
| 2947 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2948 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2949 | __u32 index = i->index; |
| 2950 | int input; |
| 2951 | dprintk("requested index = %d\n", index); |
| 2952 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2953 | input = vino_int_enum_input(vcs, index); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2954 | if (input == VINO_INPUT_NONE) |
| 2955 | return -EINVAL; |
| 2956 | |
| 2957 | memset(i, 0, sizeof(struct v4l2_input)); |
| 2958 | |
| 2959 | i->index = index; |
| 2960 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 2961 | i->std = vino_inputs[input].std; |
| 2962 | strcpy(i->name, vino_inputs[input].name); |
| 2963 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2964 | if (input == VINO_INPUT_COMPOSITE || input == VINO_INPUT_SVIDEO) |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2965 | decoder_call(video, g_input_status, &i->status); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2966 | return 0; |
| 2967 | } |
| 2968 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2969 | static int vino_g_input(struct file *file, void *__fh, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2970 | unsigned int *i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2971 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2972 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2973 | __u32 index; |
| 2974 | int input; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2975 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2976 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2977 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2978 | input = vcs->input; |
| 2979 | index = vino_find_input_index(vcs); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2980 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2981 | |
| 2982 | dprintk("input = %d\n", input); |
| 2983 | |
| 2984 | if (input == VINO_INPUT_NONE) { |
| 2985 | return -EINVAL; |
| 2986 | } |
| 2987 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2988 | *i = index; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2989 | |
| 2990 | return 0; |
| 2991 | } |
| 2992 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2993 | static int vino_s_input(struct file *file, void *__fh, |
| 2994 | unsigned int i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2995 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2996 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2997 | int input; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2998 | dprintk("requested input = %d\n", i); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2999 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3000 | input = vino_int_enum_input(vcs, i); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3001 | if (input == VINO_INPUT_NONE) |
| 3002 | return -EINVAL; |
| 3003 | |
| 3004 | return vino_set_input(vcs, input); |
| 3005 | } |
| 3006 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3007 | static int vino_querystd(struct file *file, void *__fh, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3008 | v4l2_std_id *std) |
| 3009 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3010 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3011 | unsigned long flags; |
| 3012 | int err = 0; |
| 3013 | |
| 3014 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3015 | |
| 3016 | switch (vcs->input) { |
| 3017 | case VINO_INPUT_D1: |
| 3018 | *std = vino_inputs[vcs->input].std; |
| 3019 | break; |
| 3020 | case VINO_INPUT_COMPOSITE: |
| 3021 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3022 | decoder_call(video, querystd, std); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3023 | break; |
| 3024 | } |
| 3025 | default: |
| 3026 | err = -EINVAL; |
| 3027 | } |
| 3028 | |
| 3029 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 3030 | |
| 3031 | return err; |
| 3032 | } |
| 3033 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3034 | static int vino_g_std(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3035 | v4l2_std_id *std) |
| 3036 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3037 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3038 | unsigned long flags; |
| 3039 | |
| 3040 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3041 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3042 | *std = vino_data_norms[vcs->data_norm].std; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3043 | dprintk("current standard = %d\n", vcs->data_norm); |
| 3044 | |
| 3045 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3046 | |
| 3047 | return 0; |
| 3048 | } |
| 3049 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3050 | static int vino_s_std(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3051 | v4l2_std_id *std) |
| 3052 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3053 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3054 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3055 | int ret = 0; |
| 3056 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3057 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3058 | |
| 3059 | if (!vino_is_input_owner(vcs)) { |
| 3060 | ret = -EBUSY; |
| 3061 | goto out; |
| 3062 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3063 | |
| 3064 | /* check if the standard is valid for the current input */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3065 | if ((*std) & vino_inputs[vcs->input].std) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3066 | dprintk("standard accepted\n"); |
| 3067 | |
| 3068 | /* change the video norm for SAA7191 |
| 3069 | * and accept NTSC for D1 (do nothing) */ |
| 3070 | |
| 3071 | if (vcs->input == VINO_INPUT_D1) |
| 3072 | goto out; |
| 3073 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3074 | if ((*std) & V4L2_STD_PAL) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3075 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, |
| 3076 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3077 | } else if ((*std) & V4L2_STD_NTSC) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3078 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, |
| 3079 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3080 | } else if ((*std) & V4L2_STD_SECAM) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3081 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, |
| 3082 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3083 | } else { |
| 3084 | ret = -EINVAL; |
| 3085 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3086 | |
| 3087 | if (ret) { |
| 3088 | ret = -EINVAL; |
| 3089 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3090 | } else { |
| 3091 | ret = -EINVAL; |
| 3092 | } |
| 3093 | |
| 3094 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3095 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3096 | |
| 3097 | return ret; |
| 3098 | } |
| 3099 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3100 | static int vino_enum_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3101 | struct v4l2_fmtdesc *fd) |
| 3102 | { |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3103 | dprintk("format index = %d\n", fd->index); |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3104 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3105 | if (fd->index >= VINO_DATA_FMT_COUNT) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3106 | return -EINVAL; |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3107 | dprintk("format name = %s\n", vino_data_formats[fd->index].description); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3108 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3109 | fd->pixelformat = vino_data_formats[fd->index].pixelformat; |
| 3110 | strcpy(fd->description, vino_data_formats[fd->index].description); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3111 | return 0; |
| 3112 | } |
| 3113 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3114 | static int vino_try_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3115 | struct v4l2_format *f) |
| 3116 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3117 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3118 | struct vino_channel_settings tempvcs; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3119 | unsigned long flags; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3120 | struct v4l2_pix_format *pf = &f->fmt.pix; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3121 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3122 | dprintk("requested: w = %d, h = %d\n", |
| 3123 | pf->width, pf->height); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3124 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3125 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3126 | memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); |
| 3127 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3128 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3129 | tempvcs.data_format = vino_find_data_format(pf->pixelformat); |
| 3130 | if (tempvcs.data_format == VINO_DATA_FMT_NONE) { |
| 3131 | tempvcs.data_format = VINO_DATA_FMT_GREY; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3132 | pf->pixelformat = |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3133 | vino_data_formats[tempvcs.data_format]. |
| 3134 | pixelformat; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3135 | } |
| 3136 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3137 | /* data format must be set before clipping/scaling */ |
| 3138 | vino_set_scaling(&tempvcs, pf->width, pf->height); |
| 3139 | |
| 3140 | dprintk("data format = %s\n", |
| 3141 | vino_data_formats[tempvcs.data_format].description); |
| 3142 | |
| 3143 | pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) / |
| 3144 | tempvcs.decimation; |
| 3145 | pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) / |
| 3146 | tempvcs.decimation; |
| 3147 | |
| 3148 | pf->field = V4L2_FIELD_INTERLACED; |
| 3149 | pf->bytesperline = tempvcs.line_size; |
| 3150 | pf->sizeimage = tempvcs.line_size * |
| 3151 | (tempvcs.clipping.bottom - tempvcs.clipping.top) / |
| 3152 | tempvcs.decimation; |
| 3153 | pf->colorspace = |
| 3154 | vino_data_formats[tempvcs.data_format].colorspace; |
| 3155 | |
| 3156 | pf->priv = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3157 | return 0; |
| 3158 | } |
| 3159 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3160 | static int vino_g_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3161 | struct v4l2_format *f) |
| 3162 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3163 | struct vino_channel_settings *vcs = video_drvdata(file); |
| 3164 | unsigned long flags; |
| 3165 | struct v4l2_pix_format *pf = &f->fmt.pix; |
| 3166 | |
| 3167 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3168 | |
| 3169 | pf->width = (vcs->clipping.right - vcs->clipping.left) / |
| 3170 | vcs->decimation; |
| 3171 | pf->height = (vcs->clipping.bottom - vcs->clipping.top) / |
| 3172 | vcs->decimation; |
| 3173 | pf->pixelformat = |
| 3174 | vino_data_formats[vcs->data_format].pixelformat; |
| 3175 | |
| 3176 | pf->field = V4L2_FIELD_INTERLACED; |
| 3177 | pf->bytesperline = vcs->line_size; |
| 3178 | pf->sizeimage = vcs->line_size * |
| 3179 | (vcs->clipping.bottom - vcs->clipping.top) / |
| 3180 | vcs->decimation; |
| 3181 | pf->colorspace = |
| 3182 | vino_data_formats[vcs->data_format].colorspace; |
| 3183 | |
| 3184 | pf->priv = 0; |
| 3185 | |
| 3186 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 3187 | return 0; |
| 3188 | } |
| 3189 | |
| 3190 | static int vino_s_fmt_vid_cap(struct file *file, void *__fh, |
| 3191 | struct v4l2_format *f) |
| 3192 | { |
| 3193 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3194 | int data_format; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3195 | unsigned long flags; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3196 | struct v4l2_pix_format *pf = &f->fmt.pix; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3197 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3198 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3199 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3200 | data_format = vino_find_data_format(pf->pixelformat); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3201 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3202 | if (data_format == VINO_DATA_FMT_NONE) { |
| 3203 | vcs->data_format = VINO_DATA_FMT_GREY; |
| 3204 | pf->pixelformat = |
| 3205 | vino_data_formats[vcs->data_format]. |
| 3206 | pixelformat; |
| 3207 | } else { |
| 3208 | vcs->data_format = data_format; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3209 | } |
| 3210 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3211 | /* data format must be set before clipping/scaling */ |
| 3212 | vino_set_scaling(vcs, pf->width, pf->height); |
| 3213 | |
| 3214 | dprintk("data format = %s\n", |
| 3215 | vino_data_formats[vcs->data_format].description); |
| 3216 | |
| 3217 | pf->width = vcs->clipping.right - vcs->clipping.left; |
| 3218 | pf->height = vcs->clipping.bottom - vcs->clipping.top; |
| 3219 | |
| 3220 | pf->field = V4L2_FIELD_INTERLACED; |
| 3221 | pf->bytesperline = vcs->line_size; |
| 3222 | pf->sizeimage = vcs->line_size * |
| 3223 | (vcs->clipping.bottom - vcs->clipping.top) / |
| 3224 | vcs->decimation; |
| 3225 | pf->colorspace = |
| 3226 | vino_data_formats[vcs->data_format].colorspace; |
| 3227 | |
| 3228 | pf->priv = 0; |
| 3229 | |
| 3230 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3231 | return 0; |
| 3232 | } |
| 3233 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3234 | static int vino_cropcap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3235 | struct v4l2_cropcap *ccap) |
| 3236 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3237 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3238 | const struct vino_data_norm *norm; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3239 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3240 | |
| 3241 | switch (ccap->type) { |
| 3242 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3243 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3244 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3245 | norm = &vino_data_norms[vcs->data_norm]; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3246 | |
| 3247 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3248 | |
| 3249 | ccap->bounds.left = 0; |
| 3250 | ccap->bounds.top = 0; |
| 3251 | ccap->bounds.width = norm->width; |
| 3252 | ccap->bounds.height = norm->height; |
| 3253 | memcpy(&ccap->defrect, &ccap->bounds, |
| 3254 | sizeof(struct v4l2_rect)); |
| 3255 | |
| 3256 | ccap->pixelaspect.numerator = 1; |
| 3257 | ccap->pixelaspect.denominator = 1; |
| 3258 | break; |
| 3259 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3260 | default: |
| 3261 | return -EINVAL; |
| 3262 | } |
| 3263 | |
| 3264 | return 0; |
| 3265 | } |
| 3266 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3267 | static int vino_g_crop(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3268 | struct v4l2_crop *c) |
| 3269 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3270 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3271 | unsigned long flags; |
| 3272 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3273 | switch (c->type) { |
| 3274 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3275 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3276 | |
| 3277 | c->c.left = vcs->clipping.left; |
| 3278 | c->c.top = vcs->clipping.top; |
| 3279 | c->c.width = vcs->clipping.right - vcs->clipping.left; |
| 3280 | c->c.height = vcs->clipping.bottom - vcs->clipping.top; |
| 3281 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3282 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3283 | break; |
| 3284 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3285 | default: |
| 3286 | return -EINVAL; |
| 3287 | } |
| 3288 | |
| 3289 | return 0; |
| 3290 | } |
| 3291 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3292 | static int vino_s_crop(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3293 | struct v4l2_crop *c) |
| 3294 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3295 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3296 | unsigned long flags; |
| 3297 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3298 | switch (c->type) { |
| 3299 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3300 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3301 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3302 | vino_set_clipping(vcs, c->c.left, c->c.top, |
| 3303 | c->c.width, c->c.height); |
| 3304 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3305 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3306 | break; |
| 3307 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3308 | default: |
| 3309 | return -EINVAL; |
| 3310 | } |
| 3311 | |
| 3312 | return 0; |
| 3313 | } |
| 3314 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3315 | static int vino_g_parm(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3316 | struct v4l2_streamparm *sp) |
| 3317 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3318 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3319 | unsigned long flags; |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3320 | struct v4l2_captureparm *cp = &sp->parm.capture; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3321 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3322 | cp->capability = V4L2_CAP_TIMEPERFRAME; |
| 3323 | cp->timeperframe.numerator = 1; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3324 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3325 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3326 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3327 | cp->timeperframe.denominator = vcs->fps; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3328 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3329 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3330 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3331 | /* TODO: cp->readbuffers = xxx; */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3332 | |
| 3333 | return 0; |
| 3334 | } |
| 3335 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3336 | static int vino_s_parm(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3337 | struct v4l2_streamparm *sp) |
| 3338 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3339 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3340 | unsigned long flags; |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3341 | struct v4l2_captureparm *cp = &sp->parm.capture; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3342 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3343 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3344 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3345 | if ((cp->timeperframe.numerator == 0) || |
| 3346 | (cp->timeperframe.denominator == 0)) { |
| 3347 | /* reset framerate */ |
| 3348 | vino_set_default_framerate(vcs); |
| 3349 | } else { |
| 3350 | vino_set_framerate(vcs, cp->timeperframe.denominator / |
| 3351 | cp->timeperframe.numerator); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3352 | } |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3353 | |
| 3354 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3355 | |
| 3356 | return 0; |
| 3357 | } |
| 3358 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3359 | static int vino_reqbufs(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3360 | struct v4l2_requestbuffers *rb) |
| 3361 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3362 | struct vino_channel_settings *vcs = video_drvdata(file); |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3363 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3364 | if (vcs->reading) |
| 3365 | return -EBUSY; |
| 3366 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3367 | /* TODO: check queue type */ |
| 3368 | if (rb->memory != V4L2_MEMORY_MMAP) { |
| 3369 | dprintk("type not mmap\n"); |
| 3370 | return -EINVAL; |
| 3371 | } |
| 3372 | |
| 3373 | dprintk("count = %d\n", rb->count); |
| 3374 | if (rb->count > 0) { |
| 3375 | if (vino_is_capturing(vcs)) { |
| 3376 | dprintk("busy, capturing\n"); |
| 3377 | return -EBUSY; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3378 | } |
| 3379 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3380 | if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) { |
| 3381 | dprintk("busy, buffers still mapped\n"); |
| 3382 | return -EBUSY; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3383 | } else { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3384 | vcs->streaming = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3385 | vino_queue_free(&vcs->fb_queue); |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3386 | vino_queue_init(&vcs->fb_queue, &rb->count); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3387 | } |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3388 | } else { |
| 3389 | vcs->streaming = 0; |
| 3390 | vino_capture_stop(vcs); |
| 3391 | vino_queue_free(&vcs->fb_queue); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3392 | } |
| 3393 | |
| 3394 | return 0; |
| 3395 | } |
| 3396 | |
| 3397 | static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, |
| 3398 | struct vino_framebuffer *fb, |
| 3399 | struct v4l2_buffer *b) |
| 3400 | { |
| 3401 | if (vino_queue_outgoing_contains(&vcs->fb_queue, |
| 3402 | fb->id)) { |
| 3403 | b->flags &= ~V4L2_BUF_FLAG_QUEUED; |
| 3404 | b->flags |= V4L2_BUF_FLAG_DONE; |
| 3405 | } else if (vino_queue_incoming_contains(&vcs->fb_queue, |
| 3406 | fb->id)) { |
| 3407 | b->flags &= ~V4L2_BUF_FLAG_DONE; |
| 3408 | b->flags |= V4L2_BUF_FLAG_QUEUED; |
| 3409 | } else { |
| 3410 | b->flags &= ~(V4L2_BUF_FLAG_DONE | |
| 3411 | V4L2_BUF_FLAG_QUEUED); |
| 3412 | } |
| 3413 | |
| 3414 | b->flags &= ~(V4L2_BUF_FLAG_TIMECODE); |
| 3415 | |
| 3416 | if (fb->map_count > 0) |
| 3417 | b->flags |= V4L2_BUF_FLAG_MAPPED; |
| 3418 | |
| 3419 | b->index = fb->id; |
| 3420 | b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? |
| 3421 | V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; |
| 3422 | b->m.offset = fb->offset; |
| 3423 | b->bytesused = fb->data_size; |
| 3424 | b->length = fb->size; |
| 3425 | b->field = V4L2_FIELD_INTERLACED; |
| 3426 | b->sequence = fb->frame_counter; |
| 3427 | memcpy(&b->timestamp, &fb->timestamp, |
| 3428 | sizeof(struct timeval)); |
| 3429 | // b->input ? |
| 3430 | |
| 3431 | dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n", |
| 3432 | fb->id, fb->size, fb->data_size, fb->offset); |
| 3433 | } |
| 3434 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3435 | static int vino_querybuf(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3436 | struct v4l2_buffer *b) |
| 3437 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3438 | struct vino_channel_settings *vcs = video_drvdata(file); |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3439 | struct vino_framebuffer *fb; |
| 3440 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3441 | if (vcs->reading) |
| 3442 | return -EBUSY; |
| 3443 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3444 | /* TODO: check queue type */ |
| 3445 | if (b->index >= vino_queue_get_length(&vcs->fb_queue)) { |
| 3446 | dprintk("invalid index = %d\n", |
| 3447 | b->index); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3448 | return -EINVAL; |
| 3449 | } |
| 3450 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3451 | fb = vino_queue_get_buffer(&vcs->fb_queue, |
| 3452 | b->index); |
| 3453 | if (fb == NULL) { |
| 3454 | dprintk("vino_queue_get_buffer() failed"); |
| 3455 | return -EINVAL; |
| 3456 | } |
| 3457 | |
| 3458 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3459 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3460 | return 0; |
| 3461 | } |
| 3462 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3463 | static int vino_qbuf(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3464 | struct v4l2_buffer *b) |
| 3465 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3466 | struct vino_channel_settings *vcs = video_drvdata(file); |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3467 | struct vino_framebuffer *fb; |
| 3468 | int ret; |
| 3469 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3470 | if (vcs->reading) |
| 3471 | return -EBUSY; |
| 3472 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3473 | /* TODO: check queue type */ |
| 3474 | if (b->memory != V4L2_MEMORY_MMAP) { |
| 3475 | dprintk("type not mmap\n"); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3476 | return -EINVAL; |
| 3477 | } |
| 3478 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3479 | fb = vino_capture_enqueue(vcs, b->index); |
| 3480 | if (fb == NULL) |
| 3481 | return -EINVAL; |
| 3482 | |
| 3483 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3484 | |
| 3485 | if (vcs->streaming) { |
| 3486 | ret = vino_capture_next(vcs, 1); |
| 3487 | if (ret) |
| 3488 | return ret; |
| 3489 | } |
| 3490 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3491 | return 0; |
| 3492 | } |
| 3493 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3494 | static int vino_dqbuf(struct file *file, void *__fh, |
| 3495 | struct v4l2_buffer *b) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3496 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3497 | struct vino_channel_settings *vcs = video_drvdata(file); |
| 3498 | unsigned int nonblocking = file->f_flags & O_NONBLOCK; |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3499 | struct vino_framebuffer *fb; |
| 3500 | unsigned int incoming, outgoing; |
| 3501 | int err; |
| 3502 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3503 | if (vcs->reading) |
| 3504 | return -EBUSY; |
| 3505 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3506 | /* TODO: check queue type */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3507 | |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3508 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 3509 | if (err) { |
| 3510 | dprintk("vino_queue_get_incoming() failed\n"); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3511 | return -EINVAL; |
| 3512 | } |
Trent Piepho | 4f5a744 | 2009-03-28 22:25:36 -0300 | [diff] [blame] | 3513 | err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); |
| 3514 | if (err) { |
| 3515 | dprintk("vino_queue_get_outgoing() failed\n"); |
| 3516 | return -EINVAL; |
| 3517 | } |
| 3518 | |
| 3519 | dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); |
| 3520 | |
| 3521 | if (outgoing == 0) { |
| 3522 | if (incoming == 0) { |
| 3523 | dprintk("no incoming or outgoing buffers\n"); |
| 3524 | return -EINVAL; |
| 3525 | } |
| 3526 | if (nonblocking) { |
| 3527 | dprintk("non-blocking I/O was selected and " |
| 3528 | "there are no buffers to dequeue\n"); |
| 3529 | return -EAGAIN; |
| 3530 | } |
| 3531 | |
| 3532 | err = vino_wait_for_frame(vcs); |
| 3533 | if (err) { |
| 3534 | err = vino_wait_for_frame(vcs); |
| 3535 | if (err) { |
| 3536 | /* interrupted or no frames captured because of |
| 3537 | * frame skipping */ |
| 3538 | /* vino_capture_failed(vcs); */ |
| 3539 | return -EIO; |
| 3540 | } |
| 3541 | } |
| 3542 | } |
| 3543 | |
| 3544 | fb = vino_queue_remove(&vcs->fb_queue, &b->index); |
| 3545 | if (fb == NULL) { |
| 3546 | dprintk("vino_queue_remove() failed\n"); |
| 3547 | return -EINVAL; |
| 3548 | } |
| 3549 | |
| 3550 | err = vino_check_buffer(vcs, fb); |
| 3551 | |
| 3552 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3553 | |
| 3554 | if (err) |
| 3555 | return -EIO; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3556 | |
| 3557 | return 0; |
| 3558 | } |
| 3559 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3560 | static int vino_streamon(struct file *file, void *__fh, |
| 3561 | enum v4l2_buf_type i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3562 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3563 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3564 | unsigned int incoming; |
| 3565 | int ret; |
| 3566 | if (vcs->reading) |
| 3567 | return -EBUSY; |
| 3568 | |
| 3569 | if (vcs->streaming) |
| 3570 | return 0; |
| 3571 | |
| 3572 | // TODO: check queue type |
| 3573 | |
| 3574 | if (vino_queue_get_length(&vcs->fb_queue) < 1) { |
| 3575 | dprintk("no buffers allocated\n"); |
| 3576 | return -EINVAL; |
| 3577 | } |
| 3578 | |
| 3579 | ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 3580 | if (ret) { |
| 3581 | dprintk("vino_queue_get_incoming() failed\n"); |
| 3582 | return -EINVAL; |
| 3583 | } |
| 3584 | |
| 3585 | vcs->streaming = 1; |
| 3586 | |
| 3587 | if (incoming > 0) { |
| 3588 | ret = vino_capture_next(vcs, 1); |
| 3589 | if (ret) { |
| 3590 | vcs->streaming = 0; |
| 3591 | |
| 3592 | dprintk("couldn't start capture\n"); |
| 3593 | return -EINVAL; |
| 3594 | } |
| 3595 | } |
| 3596 | |
| 3597 | return 0; |
| 3598 | } |
| 3599 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3600 | static int vino_streamoff(struct file *file, void *__fh, |
| 3601 | enum v4l2_buf_type i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3602 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3603 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3604 | if (vcs->reading) |
| 3605 | return -EBUSY; |
| 3606 | |
| 3607 | if (!vcs->streaming) |
| 3608 | return 0; |
| 3609 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3610 | vcs->streaming = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3611 | vino_capture_stop(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3612 | |
| 3613 | return 0; |
| 3614 | } |
| 3615 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3616 | static int vino_queryctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3617 | struct v4l2_queryctrl *queryctrl) |
| 3618 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3619 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3620 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3621 | int i; |
| 3622 | int err = 0; |
| 3623 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3624 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3625 | |
| 3626 | switch (vcs->input) { |
| 3627 | case VINO_INPUT_D1: |
| 3628 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
| 3629 | if (vino_indycam_v4l2_controls[i].id == |
| 3630 | queryctrl->id) { |
| 3631 | memcpy(queryctrl, |
| 3632 | &vino_indycam_v4l2_controls[i], |
| 3633 | sizeof(struct v4l2_queryctrl)); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3634 | queryctrl->reserved[0] = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3635 | goto found; |
| 3636 | } |
| 3637 | } |
| 3638 | |
| 3639 | err = -EINVAL; |
| 3640 | break; |
| 3641 | case VINO_INPUT_COMPOSITE: |
| 3642 | case VINO_INPUT_SVIDEO: |
| 3643 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
| 3644 | if (vino_saa7191_v4l2_controls[i].id == |
| 3645 | queryctrl->id) { |
| 3646 | memcpy(queryctrl, |
| 3647 | &vino_saa7191_v4l2_controls[i], |
| 3648 | sizeof(struct v4l2_queryctrl)); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3649 | queryctrl->reserved[0] = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3650 | goto found; |
| 3651 | } |
| 3652 | } |
| 3653 | |
| 3654 | err = -EINVAL; |
| 3655 | break; |
| 3656 | default: |
| 3657 | err = -EINVAL; |
| 3658 | } |
| 3659 | |
| 3660 | found: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3661 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3662 | |
| 3663 | return err; |
| 3664 | } |
| 3665 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3666 | static int vino_g_ctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3667 | struct v4l2_control *control) |
| 3668 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3669 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3670 | unsigned long flags; |
| 3671 | int i; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3672 | int err = 0; |
| 3673 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3674 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3675 | |
| 3676 | switch (vcs->input) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3677 | case VINO_INPUT_D1: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3678 | err = -EINVAL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3679 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3680 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
| 3681 | err = 0; |
| 3682 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3683 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3684 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3685 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3686 | if (err) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3687 | goto out; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3688 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3689 | err = camera_call(core, g_ctrl, control); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3690 | if (err) |
| 3691 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3692 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3693 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3694 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3695 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3696 | err = -EINVAL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3697 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3698 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
| 3699 | err = 0; |
| 3700 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3701 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3702 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3703 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3704 | if (err) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3705 | goto out; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3706 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3707 | err = decoder_call(core, g_ctrl, control); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3708 | if (err) |
| 3709 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3710 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3711 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3712 | default: |
| 3713 | err = -EINVAL; |
| 3714 | } |
| 3715 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3716 | out: |
| 3717 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3718 | |
| 3719 | return err; |
| 3720 | } |
| 3721 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3722 | static int vino_s_ctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3723 | struct v4l2_control *control) |
| 3724 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3725 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3726 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3727 | int i; |
| 3728 | int err = 0; |
| 3729 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3730 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3731 | |
| 3732 | if (!vino_is_input_owner(vcs)) { |
| 3733 | err = -EBUSY; |
| 3734 | goto out; |
| 3735 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3736 | |
| 3737 | switch (vcs->input) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3738 | case VINO_INPUT_D1: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3739 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3740 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3741 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
| 3742 | err = 0; |
| 3743 | break; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3744 | } |
| 3745 | } |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3746 | if (err) |
| 3747 | goto out; |
| 3748 | if (control->value < vino_indycam_v4l2_controls[i].minimum || |
| 3749 | control->value > vino_indycam_v4l2_controls[i].maximum) { |
| 3750 | err = -ERANGE; |
| 3751 | goto out; |
| 3752 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3753 | err = camera_call(core, s_ctrl, control); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3754 | if (err) |
| 3755 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3756 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3757 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3758 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3759 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3760 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3761 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3762 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
| 3763 | err = 0; |
| 3764 | break; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3765 | } |
| 3766 | } |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3767 | if (err) |
| 3768 | goto out; |
| 3769 | if (control->value < vino_saa7191_v4l2_controls[i].minimum || |
| 3770 | control->value > vino_saa7191_v4l2_controls[i].maximum) { |
| 3771 | err = -ERANGE; |
| 3772 | goto out; |
| 3773 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3774 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3775 | err = decoder_call(core, s_ctrl, control); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3776 | if (err) |
| 3777 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3778 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3779 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3780 | default: |
| 3781 | err = -EINVAL; |
| 3782 | } |
| 3783 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3784 | out: |
| 3785 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3786 | |
| 3787 | return err; |
| 3788 | } |
| 3789 | |
| 3790 | /* File operations */ |
| 3791 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 3792 | static int vino_open(struct file *file) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3793 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3794 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3795 | int ret = 0; |
| 3796 | dprintk("open(): channel = %c\n", |
| 3797 | (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); |
| 3798 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3799 | mutex_lock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3800 | |
| 3801 | if (vcs->users) { |
| 3802 | dprintk("open(): driver busy\n"); |
| 3803 | ret = -EBUSY; |
| 3804 | goto out; |
| 3805 | } |
| 3806 | |
| 3807 | ret = vino_acquire_input(vcs); |
| 3808 | if (ret) { |
| 3809 | dprintk("open(): vino_acquire_input() failed\n"); |
| 3810 | goto out; |
| 3811 | } |
| 3812 | |
| 3813 | vcs->users++; |
| 3814 | |
| 3815 | out: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3816 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3817 | |
| 3818 | dprintk("open(): %s!\n", ret ? "failed" : "complete"); |
| 3819 | |
| 3820 | return ret; |
| 3821 | } |
| 3822 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 3823 | static int vino_close(struct file *file) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3824 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3825 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3826 | dprintk("close():\n"); |
| 3827 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3828 | mutex_lock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3829 | |
| 3830 | vcs->users--; |
| 3831 | |
| 3832 | if (!vcs->users) { |
| 3833 | vino_release_input(vcs); |
| 3834 | |
| 3835 | /* stop DMA and free buffers */ |
| 3836 | vino_capture_stop(vcs); |
| 3837 | vino_queue_free(&vcs->fb_queue); |
| 3838 | } |
| 3839 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3840 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3841 | |
| 3842 | return 0; |
| 3843 | } |
| 3844 | |
| 3845 | static void vino_vm_open(struct vm_area_struct *vma) |
| 3846 | { |
| 3847 | struct vino_framebuffer *fb = vma->vm_private_data; |
| 3848 | |
| 3849 | fb->map_count++; |
| 3850 | dprintk("vino_vm_open(): count = %d\n", fb->map_count); |
| 3851 | } |
| 3852 | |
| 3853 | static void vino_vm_close(struct vm_area_struct *vma) |
| 3854 | { |
| 3855 | struct vino_framebuffer *fb = vma->vm_private_data; |
| 3856 | |
| 3857 | fb->map_count--; |
| 3858 | dprintk("vino_vm_close(): count = %d\n", fb->map_count); |
| 3859 | } |
| 3860 | |
Alexey Dobriyan | f0f37e2 | 2009-09-27 22:29:37 +0400 | [diff] [blame] | 3861 | static const struct vm_operations_struct vino_vm_ops = { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3862 | .open = vino_vm_open, |
| 3863 | .close = vino_vm_close, |
| 3864 | }; |
| 3865 | |
| 3866 | static int vino_mmap(struct file *file, struct vm_area_struct *vma) |
| 3867 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3868 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3869 | |
| 3870 | unsigned long start = vma->vm_start; |
| 3871 | unsigned long size = vma->vm_end - vma->vm_start; |
| 3872 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; |
| 3873 | |
| 3874 | struct vino_framebuffer *fb = NULL; |
| 3875 | unsigned int i, length; |
| 3876 | int ret = 0; |
| 3877 | |
| 3878 | dprintk("mmap():\n"); |
| 3879 | |
| 3880 | // TODO: reject mmap if already mapped |
| 3881 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3882 | if (mutex_lock_interruptible(&vcs->mutex)) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3883 | return -EINTR; |
| 3884 | |
| 3885 | if (vcs->reading) { |
| 3886 | ret = -EBUSY; |
| 3887 | goto out; |
| 3888 | } |
| 3889 | |
| 3890 | // TODO: check queue type |
| 3891 | |
| 3892 | if (!(vma->vm_flags & VM_WRITE)) { |
| 3893 | dprintk("mmap(): app bug: PROT_WRITE please\n"); |
| 3894 | ret = -EINVAL; |
| 3895 | goto out; |
| 3896 | } |
| 3897 | if (!(vma->vm_flags & VM_SHARED)) { |
| 3898 | dprintk("mmap(): app bug: MAP_SHARED please\n"); |
| 3899 | ret = -EINVAL; |
| 3900 | goto out; |
| 3901 | } |
| 3902 | |
| 3903 | /* find the correct buffer using offset */ |
| 3904 | length = vino_queue_get_length(&vcs->fb_queue); |
| 3905 | if (length == 0) { |
| 3906 | dprintk("mmap(): queue not initialized\n"); |
| 3907 | ret = -EINVAL; |
| 3908 | goto out; |
| 3909 | } |
| 3910 | |
| 3911 | for (i = 0; i < length; i++) { |
| 3912 | fb = vino_queue_get_buffer(&vcs->fb_queue, i); |
| 3913 | if (fb == NULL) { |
| 3914 | dprintk("mmap(): vino_queue_get_buffer() failed\n"); |
| 3915 | ret = -EINVAL; |
| 3916 | goto out; |
| 3917 | } |
| 3918 | |
| 3919 | if (fb->offset == offset) |
| 3920 | goto found; |
| 3921 | } |
| 3922 | |
| 3923 | dprintk("mmap(): invalid offset = %lu\n", offset); |
| 3924 | ret = -EINVAL; |
| 3925 | goto out; |
| 3926 | |
| 3927 | found: |
| 3928 | dprintk("mmap(): buffer = %d\n", i); |
| 3929 | |
| 3930 | if (size > (fb->desc_table.page_count * PAGE_SIZE)) { |
| 3931 | dprintk("mmap(): failed: size = %lu > %lu\n", |
| 3932 | size, fb->desc_table.page_count * PAGE_SIZE); |
| 3933 | ret = -EINVAL; |
| 3934 | goto out; |
| 3935 | } |
| 3936 | |
| 3937 | for (i = 0; i < fb->desc_table.page_count; i++) { |
| 3938 | unsigned long pfn = |
| 3939 | virt_to_phys((void *)fb->desc_table.virtual[i]) >> |
| 3940 | PAGE_SHIFT; |
| 3941 | |
| 3942 | if (size < PAGE_SIZE) |
| 3943 | break; |
| 3944 | |
| 3945 | // protection was: PAGE_READONLY |
| 3946 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, |
| 3947 | vma->vm_page_prot)) { |
| 3948 | dprintk("mmap(): remap_pfn_range() failed\n"); |
| 3949 | ret = -EAGAIN; |
| 3950 | goto out; |
| 3951 | } |
| 3952 | |
| 3953 | start += PAGE_SIZE; |
| 3954 | size -= PAGE_SIZE; |
| 3955 | } |
| 3956 | |
| 3957 | fb->map_count = 1; |
| 3958 | |
| 3959 | vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED; |
| 3960 | vma->vm_flags &= ~VM_IO; |
| 3961 | vma->vm_private_data = fb; |
| 3962 | vma->vm_file = file; |
| 3963 | vma->vm_ops = &vino_vm_ops; |
| 3964 | |
| 3965 | out: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3966 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3967 | |
| 3968 | return ret; |
| 3969 | } |
| 3970 | |
| 3971 | static unsigned int vino_poll(struct file *file, poll_table *pt) |
| 3972 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3973 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3974 | unsigned int outgoing; |
| 3975 | unsigned int ret = 0; |
| 3976 | |
| 3977 | // lock mutex (?) |
| 3978 | // TODO: this has to be corrected for different read modes |
| 3979 | |
| 3980 | dprintk("poll():\n"); |
| 3981 | |
| 3982 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 3983 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); |
| 3984 | ret = POLLERR; |
| 3985 | goto error; |
| 3986 | } |
| 3987 | if (outgoing > 0) |
| 3988 | goto over; |
| 3989 | |
| 3990 | poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt); |
| 3991 | |
| 3992 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 3993 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); |
| 3994 | ret = POLLERR; |
| 3995 | goto error; |
| 3996 | } |
| 3997 | |
| 3998 | over: |
| 3999 | dprintk("poll(): data %savailable\n", |
| 4000 | (outgoing > 0) ? "" : "not "); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 4001 | |
| 4002 | if (outgoing > 0) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4003 | ret = POLLIN | POLLRDNORM; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4004 | |
| 4005 | error: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4006 | return ret; |
| 4007 | } |
| 4008 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 4009 | static long vino_ioctl(struct file *file, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4010 | unsigned int cmd, unsigned long arg) |
| 4011 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 4012 | struct vino_channel_settings *vcs = video_drvdata(file); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 4013 | long ret; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4014 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4015 | if (mutex_lock_interruptible(&vcs->mutex)) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4016 | return -EINTR; |
| 4017 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4018 | ret = video_ioctl2(file, cmd, arg); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4019 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4020 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4021 | |
| 4022 | return ret; |
| 4023 | } |
| 4024 | |
| 4025 | /* Initialization and cleanup */ |
| 4026 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 4027 | /* __initdata */ |
| 4028 | static int vino_init_stage; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4029 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4030 | const struct v4l2_ioctl_ops vino_ioctl_ops = { |
| 4031 | .vidioc_enum_fmt_vid_cap = vino_enum_fmt_vid_cap, |
| 4032 | .vidioc_g_fmt_vid_cap = vino_g_fmt_vid_cap, |
| 4033 | .vidioc_s_fmt_vid_cap = vino_s_fmt_vid_cap, |
| 4034 | .vidioc_try_fmt_vid_cap = vino_try_fmt_vid_cap, |
| 4035 | .vidioc_querycap = vino_querycap, |
| 4036 | .vidioc_enum_input = vino_enum_input, |
| 4037 | .vidioc_g_input = vino_g_input, |
| 4038 | .vidioc_s_input = vino_s_input, |
| 4039 | .vidioc_g_std = vino_g_std, |
| 4040 | .vidioc_s_std = vino_s_std, |
| 4041 | .vidioc_querystd = vino_querystd, |
| 4042 | .vidioc_cropcap = vino_cropcap, |
| 4043 | .vidioc_s_crop = vino_s_crop, |
| 4044 | .vidioc_g_crop = vino_g_crop, |
| 4045 | .vidioc_s_parm = vino_s_parm, |
| 4046 | .vidioc_g_parm = vino_g_parm, |
| 4047 | .vidioc_reqbufs = vino_reqbufs, |
| 4048 | .vidioc_querybuf = vino_querybuf, |
| 4049 | .vidioc_qbuf = vino_qbuf, |
| 4050 | .vidioc_dqbuf = vino_dqbuf, |
| 4051 | .vidioc_streamon = vino_streamon, |
| 4052 | .vidioc_streamoff = vino_streamoff, |
| 4053 | .vidioc_queryctrl = vino_queryctrl, |
| 4054 | .vidioc_g_ctrl = vino_g_ctrl, |
| 4055 | .vidioc_s_ctrl = vino_s_ctrl, |
| 4056 | }; |
| 4057 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 4058 | static const struct v4l2_file_operations vino_fops = { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4059 | .owner = THIS_MODULE, |
| 4060 | .open = vino_open, |
| 4061 | .release = vino_close, |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4062 | .unlocked_ioctl = vino_ioctl, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4063 | .mmap = vino_mmap, |
| 4064 | .poll = vino_poll, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4065 | }; |
| 4066 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4067 | static struct video_device vdev_template = { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4068 | .name = "NOT SET", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4069 | .fops = &vino_fops, |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4070 | .ioctl_ops = &vino_ioctl_ops, |
| 4071 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4072 | }; |
| 4073 | |
| 4074 | static void vino_module_cleanup(int stage) |
| 4075 | { |
| 4076 | switch(stage) { |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4077 | case 11: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4078 | video_unregister_device(vino_drvdata->b.vdev); |
| 4079 | vino_drvdata->b.vdev = NULL; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4080 | case 10: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4081 | video_unregister_device(vino_drvdata->a.vdev); |
| 4082 | vino_drvdata->a.vdev = NULL; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4083 | case 9: |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame] | 4084 | i2c_del_adapter(&vino_i2c_adapter); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4085 | case 8: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4086 | free_irq(SGI_VINO_IRQ, NULL); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4087 | case 7: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4088 | if (vino_drvdata->b.vdev) { |
| 4089 | video_device_release(vino_drvdata->b.vdev); |
| 4090 | vino_drvdata->b.vdev = NULL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4091 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4092 | case 6: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4093 | if (vino_drvdata->a.vdev) { |
| 4094 | video_device_release(vino_drvdata->a.vdev); |
| 4095 | vino_drvdata->a.vdev = NULL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4096 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4097 | case 5: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4098 | /* all entries in dma_cpu dummy table have the same address */ |
| 4099 | dma_unmap_single(NULL, |
| 4100 | vino_drvdata->dummy_desc_table.dma_cpu[0], |
| 4101 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 4102 | dma_free_coherent(NULL, VINO_DUMMY_DESC_COUNT |
| 4103 | * sizeof(dma_addr_t), |
| 4104 | (void *)vino_drvdata-> |
| 4105 | dummy_desc_table.dma_cpu, |
| 4106 | vino_drvdata->dummy_desc_table.dma); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4107 | case 4: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4108 | free_page(vino_drvdata->dummy_page); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4109 | case 3: |
| 4110 | v4l2_device_unregister(&vino_drvdata->v4l2_dev); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4111 | case 2: |
| 4112 | kfree(vino_drvdata); |
| 4113 | case 1: |
| 4114 | iounmap(vino); |
| 4115 | case 0: |
| 4116 | break; |
| 4117 | default: |
| 4118 | dprintk("vino_module_cleanup(): invalid cleanup stage = %d\n", |
| 4119 | stage); |
| 4120 | } |
| 4121 | } |
| 4122 | |
| 4123 | static int vino_probe(void) |
| 4124 | { |
| 4125 | unsigned long rev_id; |
| 4126 | |
| 4127 | if (ip22_is_fullhouse()) { |
| 4128 | printk(KERN_ERR "VINO doesn't exist in IP22 Fullhouse\n"); |
| 4129 | return -ENODEV; |
| 4130 | } |
| 4131 | |
| 4132 | if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) { |
| 4133 | printk(KERN_ERR "VINO is not found (EISA BUS not present)\n"); |
| 4134 | return -ENODEV; |
| 4135 | } |
| 4136 | |
| 4137 | vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino)); |
| 4138 | if (!vino) { |
| 4139 | printk(KERN_ERR "VINO: ioremap() failed\n"); |
| 4140 | return -EIO; |
| 4141 | } |
| 4142 | vino_init_stage++; |
| 4143 | |
| 4144 | if (get_dbe(rev_id, &(vino->rev_id))) { |
| 4145 | printk(KERN_ERR "Failed to read VINO revision register\n"); |
| 4146 | vino_module_cleanup(vino_init_stage); |
| 4147 | return -ENODEV; |
| 4148 | } |
| 4149 | |
| 4150 | if (VINO_ID_VALUE(rev_id) != VINO_CHIP_ID) { |
| 4151 | printk(KERN_ERR "Unknown VINO chip ID (Rev/ID: 0x%02lx)\n", |
| 4152 | rev_id); |
| 4153 | vino_module_cleanup(vino_init_stage); |
| 4154 | return -ENODEV; |
| 4155 | } |
| 4156 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 4157 | printk(KERN_INFO "VINO revision %ld found\n", VINO_REV_NUM(rev_id)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4158 | |
| 4159 | return 0; |
| 4160 | } |
| 4161 | |
| 4162 | static int vino_init(void) |
| 4163 | { |
| 4164 | dma_addr_t dma_dummy_address; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4165 | int err; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4166 | int i; |
| 4167 | |
Panagiotis Issaris | 7408187 | 2006-01-11 19:40:56 -0200 | [diff] [blame] | 4168 | vino_drvdata = kzalloc(sizeof(struct vino_settings), GFP_KERNEL); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4169 | if (!vino_drvdata) { |
| 4170 | vino_module_cleanup(vino_init_stage); |
| 4171 | return -ENOMEM; |
| 4172 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4173 | vino_init_stage++; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4174 | strlcpy(vino_drvdata->v4l2_dev.name, "vino", |
| 4175 | sizeof(vino_drvdata->v4l2_dev.name)); |
| 4176 | err = v4l2_device_register(NULL, &vino_drvdata->v4l2_dev); |
| 4177 | if (err) |
| 4178 | return err; |
| 4179 | vino_init_stage++; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4180 | |
| 4181 | /* create a dummy dma descriptor */ |
| 4182 | vino_drvdata->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 4183 | if (!vino_drvdata->dummy_page) { |
| 4184 | vino_module_cleanup(vino_init_stage); |
| 4185 | return -ENOMEM; |
| 4186 | } |
| 4187 | vino_init_stage++; |
| 4188 | |
| 4189 | // TODO: use page_count in dummy_desc_table |
| 4190 | |
| 4191 | vino_drvdata->dummy_desc_table.dma_cpu = |
| 4192 | dma_alloc_coherent(NULL, |
| 4193 | VINO_DUMMY_DESC_COUNT * sizeof(dma_addr_t), |
| 4194 | &vino_drvdata->dummy_desc_table.dma, |
| 4195 | GFP_KERNEL | GFP_DMA); |
| 4196 | if (!vino_drvdata->dummy_desc_table.dma_cpu) { |
| 4197 | vino_module_cleanup(vino_init_stage); |
| 4198 | return -ENOMEM; |
| 4199 | } |
| 4200 | vino_init_stage++; |
| 4201 | |
| 4202 | dma_dummy_address = dma_map_single(NULL, |
| 4203 | (void *)vino_drvdata->dummy_page, |
| 4204 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 4205 | for (i = 0; i < VINO_DUMMY_DESC_COUNT; i++) { |
| 4206 | vino_drvdata->dummy_desc_table.dma_cpu[i] = dma_dummy_address; |
| 4207 | } |
| 4208 | |
| 4209 | /* initialize VINO */ |
| 4210 | |
| 4211 | vino->control = 0; |
| 4212 | vino->a.next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 4213 | vino->b.next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 4214 | udelay(VINO_DESC_FETCH_DELAY); |
| 4215 | |
| 4216 | vino->intr_status = 0; |
| 4217 | |
| 4218 | vino->a.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; |
| 4219 | vino->b.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; |
| 4220 | |
| 4221 | return 0; |
| 4222 | } |
| 4223 | |
| 4224 | static int vino_init_channel_settings(struct vino_channel_settings *vcs, |
| 4225 | unsigned int channel, const char *name) |
| 4226 | { |
| 4227 | vcs->channel = channel; |
| 4228 | vcs->input = VINO_INPUT_NONE; |
| 4229 | vcs->alpha = 0; |
| 4230 | vcs->users = 0; |
| 4231 | vcs->data_format = VINO_DATA_FMT_GREY; |
| 4232 | vcs->data_norm = VINO_DATA_NORM_NTSC; |
| 4233 | vcs->decimation = 1; |
| 4234 | vino_set_default_clipping(vcs); |
| 4235 | vino_set_default_framerate(vcs); |
| 4236 | |
| 4237 | vcs->capturing = 0; |
| 4238 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4239 | mutex_init(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4240 | spin_lock_init(&vcs->capture_lock); |
| 4241 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4242 | mutex_init(&vcs->fb_queue.queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4243 | spin_lock_init(&vcs->fb_queue.queue_lock); |
| 4244 | init_waitqueue_head(&vcs->fb_queue.frame_wait_queue); |
| 4245 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4246 | vcs->vdev = video_device_alloc(); |
| 4247 | if (!vcs->vdev) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4248 | vino_module_cleanup(vino_init_stage); |
| 4249 | return -ENOMEM; |
| 4250 | } |
| 4251 | vino_init_stage++; |
| 4252 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4253 | memcpy(vcs->vdev, &vdev_template, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4254 | sizeof(struct video_device)); |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4255 | strcpy(vcs->vdev->name, name); |
| 4256 | vcs->vdev->release = video_device_release; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4257 | vcs->vdev->v4l2_dev = &vino_drvdata->v4l2_dev; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4258 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4259 | video_set_drvdata(vcs->vdev, vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4260 | |
| 4261 | return 0; |
| 4262 | } |
| 4263 | |
| 4264 | static int __init vino_module_init(void) |
| 4265 | { |
| 4266 | int ret; |
| 4267 | |
| 4268 | printk(KERN_INFO "SGI VINO driver version %s\n", |
| 4269 | VINO_MODULE_VERSION); |
| 4270 | |
| 4271 | ret = vino_probe(); |
| 4272 | if (ret) |
| 4273 | return ret; |
| 4274 | |
| 4275 | ret = vino_init(); |
| 4276 | if (ret) |
| 4277 | return ret; |
| 4278 | |
| 4279 | /* initialize data structures */ |
| 4280 | |
| 4281 | spin_lock_init(&vino_drvdata->vino_lock); |
| 4282 | spin_lock_init(&vino_drvdata->input_lock); |
| 4283 | |
| 4284 | ret = vino_init_channel_settings(&vino_drvdata->a, VINO_CHANNEL_A, |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4285 | vino_vdev_name_a); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4286 | if (ret) |
| 4287 | return ret; |
| 4288 | |
| 4289 | ret = vino_init_channel_settings(&vino_drvdata->b, VINO_CHANNEL_B, |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4290 | vino_vdev_name_b); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4291 | if (ret) |
| 4292 | return ret; |
| 4293 | |
| 4294 | /* initialize hardware and register V4L devices */ |
| 4295 | |
| 4296 | ret = request_irq(SGI_VINO_IRQ, vino_interrupt, 0, |
| 4297 | vino_driver_description, NULL); |
| 4298 | if (ret) { |
| 4299 | printk(KERN_ERR "VINO: requesting IRQ %02d failed\n", |
| 4300 | SGI_VINO_IRQ); |
| 4301 | vino_module_cleanup(vino_init_stage); |
| 4302 | return -EAGAIN; |
| 4303 | } |
| 4304 | vino_init_stage++; |
| 4305 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame] | 4306 | ret = i2c_add_adapter(&vino_i2c_adapter); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4307 | if (ret) { |
| 4308 | printk(KERN_ERR "VINO I2C bus registration failed\n"); |
| 4309 | vino_module_cleanup(vino_init_stage); |
| 4310 | return ret; |
| 4311 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4312 | i2c_set_adapdata(&vino_i2c_adapter, &vino_drvdata->v4l2_dev); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4313 | vino_init_stage++; |
| 4314 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4315 | ret = video_register_device(vino_drvdata->a.vdev, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4316 | VFL_TYPE_GRABBER, -1); |
| 4317 | if (ret < 0) { |
| 4318 | printk(KERN_ERR "VINO channel A Video4Linux-device " |
| 4319 | "registration failed\n"); |
| 4320 | vino_module_cleanup(vino_init_stage); |
| 4321 | return -EINVAL; |
| 4322 | } |
| 4323 | vino_init_stage++; |
| 4324 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4325 | ret = video_register_device(vino_drvdata->b.vdev, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4326 | VFL_TYPE_GRABBER, -1); |
| 4327 | if (ret < 0) { |
| 4328 | printk(KERN_ERR "VINO channel B Video4Linux-device " |
| 4329 | "registration failed\n"); |
| 4330 | vino_module_cleanup(vino_init_stage); |
| 4331 | return -EINVAL; |
| 4332 | } |
| 4333 | vino_init_stage++; |
| 4334 | |
Hans Verkuil | e6574f2 | 2009-04-01 03:57:53 -0300 | [diff] [blame] | 4335 | vino_drvdata->decoder = |
Hans Verkuil | 53dacb1 | 2009-08-10 02:49:08 -0300 | [diff] [blame] | 4336 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
| 4337 | "saa7191", "saa7191", 0, I2C_ADDRS(0x45)); |
Hans Verkuil | e6574f2 | 2009-04-01 03:57:53 -0300 | [diff] [blame] | 4338 | vino_drvdata->camera = |
Hans Verkuil | 53dacb1 | 2009-08-10 02:49:08 -0300 | [diff] [blame] | 4339 | v4l2_i2c_new_subdev(&vino_drvdata->v4l2_dev, &vino_i2c_adapter, |
| 4340 | "indycam", "indycam", 0, I2C_ADDRS(0x2b)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4341 | |
| 4342 | dprintk("init complete!\n"); |
| 4343 | |
| 4344 | return 0; |
| 4345 | } |
| 4346 | |
| 4347 | static void __exit vino_module_exit(void) |
| 4348 | { |
| 4349 | dprintk("exiting, stage = %d ...\n", vino_init_stage); |
| 4350 | vino_module_cleanup(vino_init_stage); |
| 4351 | dprintk("cleanup complete, exit!\n"); |
| 4352 | } |
| 4353 | |
| 4354 | module_init(vino_module_init); |
| 4355 | module_exit(vino_module_exit); |