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> |
| 11 | */ |
| 12 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 13 | /* |
| 14 | * TODO: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 15 | * - remove "mark pages reserved-hacks" from memory allocation code |
Nick Piggin | 3c18ddd | 2008-04-28 02:12:10 -0700 | [diff] [blame] | 16 | * and implement fault() |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 17 | * - check decimation, calculating and reporting image size when |
| 18 | * using decimation |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 19 | * - implement read(), user mode buffers and overlay (?) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 20 | */ |
| 21 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | #include <linux/init.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 23 | #include <linux/module.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/delay.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 25 | #include <linux/dma-mapping.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 26 | #include <linux/errno.h> |
| 27 | #include <linux/fs.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 28 | #include <linux/interrupt.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 29 | #include <linux/kernel.h> |
| 30 | #include <linux/mm.h> |
Ladislav Michl | 495515b | 2005-09-23 10:52:27 +0000 | [diff] [blame] | 31 | #include <linux/time.h> |
| 32 | #include <linux/version.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 33 | #include <linux/kmod.h> |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 34 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | #include <linux/i2c.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | |
Hans Verkuil | 33b687c | 2008-07-25 05:32:50 -0300 | [diff] [blame] | 37 | #include <linux/videodev2.h> |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 38 | #include <media/v4l2-device.h> |
Yoichi Yuasa | c2cfcf7 | 2008-07-29 05:30:58 -0300 | [diff] [blame] | 39 | #include <media/v4l2-ioctl.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 40 | #include <linux/mutex.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 <asm/paccess.h> |
| 43 | #include <asm/io.h> |
| 44 | #include <asm/sgi/ip22.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include <asm/sgi/mc.h> |
| 46 | |
| 47 | #include "vino.h" |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 48 | #include "saa7191.h" |
| 49 | #include "indycam.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 51 | /* Uncomment the following line to get lots and lots of (mostly useless) |
| 52 | * debug info. |
| 53 | * Note that the debug output also slows down the driver significantly */ |
| 54 | // #define VINO_DEBUG |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 55 | // #define VINO_DEBUG_INT |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 56 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 57 | #define VINO_MODULE_VERSION "0.0.5" |
| 58 | #define VINO_VERSION_CODE KERNEL_VERSION(0, 0, 5) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 59 | |
| 60 | MODULE_DESCRIPTION("SGI VINO Video4Linux2 driver"); |
| 61 | MODULE_VERSION(VINO_MODULE_VERSION); |
| 62 | MODULE_AUTHOR("Mikael Nousiainen <tmnousia@cc.hut.fi>"); |
| 63 | MODULE_LICENSE("GPL"); |
| 64 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 65 | #ifdef VINO_DEBUG |
| 66 | #define dprintk(x...) printk("VINO: " x); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #else |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 68 | #define dprintk(x...) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 69 | #endif |
| 70 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 71 | #define VINO_NO_CHANNEL 0 |
| 72 | #define VINO_CHANNEL_A 1 |
| 73 | #define VINO_CHANNEL_B 2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 75 | #define VINO_PAL_WIDTH 768 |
| 76 | #define VINO_PAL_HEIGHT 576 |
| 77 | #define VINO_NTSC_WIDTH 640 |
| 78 | #define VINO_NTSC_HEIGHT 480 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 80 | #define VINO_MIN_WIDTH 32 |
| 81 | #define VINO_MIN_HEIGHT 32 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 83 | #define VINO_CLIPPING_START_ODD_D1 1 |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 84 | #define VINO_CLIPPING_START_ODD_PAL 15 |
| 85 | #define VINO_CLIPPING_START_ODD_NTSC 12 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 86 | |
| 87 | #define VINO_CLIPPING_START_EVEN_D1 2 |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 88 | #define VINO_CLIPPING_START_EVEN_PAL 15 |
| 89 | #define VINO_CLIPPING_START_EVEN_NTSC 12 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 90 | |
| 91 | #define VINO_INPUT_CHANNEL_COUNT 3 |
| 92 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 93 | /* the number is the index for vino_inputs */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 94 | #define VINO_INPUT_NONE -1 |
| 95 | #define VINO_INPUT_COMPOSITE 0 |
| 96 | #define VINO_INPUT_SVIDEO 1 |
| 97 | #define VINO_INPUT_D1 2 |
| 98 | |
| 99 | #define VINO_PAGE_RATIO (PAGE_SIZE / VINO_PAGE_SIZE) |
| 100 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 101 | #define VINO_FIFO_THRESHOLD_DEFAULT 16 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 102 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 103 | #define VINO_FRAMEBUFFER_SIZE ((VINO_PAL_WIDTH \ |
| 104 | * VINO_PAL_HEIGHT * 4 \ |
| 105 | + 3 * PAGE_SIZE) & ~(PAGE_SIZE - 1)) |
| 106 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 107 | #define VINO_FRAMEBUFFER_COUNT_MAX 8 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 108 | |
| 109 | #define VINO_FRAMEBUFFER_UNUSED 0 |
| 110 | #define VINO_FRAMEBUFFER_IN_USE 1 |
| 111 | #define VINO_FRAMEBUFFER_READY 2 |
| 112 | |
| 113 | #define VINO_QUEUE_ERROR -1 |
| 114 | #define VINO_QUEUE_MAGIC 0x20050125 |
| 115 | |
| 116 | #define VINO_MEMORY_NONE 0 |
| 117 | #define VINO_MEMORY_MMAP 1 |
| 118 | #define VINO_MEMORY_USERPTR 2 |
| 119 | |
| 120 | #define VINO_DUMMY_DESC_COUNT 4 |
| 121 | #define VINO_DESC_FETCH_DELAY 5 /* microseconds */ |
| 122 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 123 | #define VINO_MAX_FRAME_SKIP_COUNT 128 |
| 124 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 125 | /* the number is the index for vino_data_formats */ |
| 126 | #define VINO_DATA_FMT_NONE -1 |
| 127 | #define VINO_DATA_FMT_GREY 0 |
| 128 | #define VINO_DATA_FMT_RGB332 1 |
| 129 | #define VINO_DATA_FMT_RGB32 2 |
| 130 | #define VINO_DATA_FMT_YUV 3 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 131 | |
| 132 | #define VINO_DATA_FMT_COUNT 4 |
| 133 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 134 | /* the number is the index for vino_data_norms */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 135 | #define VINO_DATA_NORM_NONE -1 |
| 136 | #define VINO_DATA_NORM_NTSC 0 |
| 137 | #define VINO_DATA_NORM_PAL 1 |
| 138 | #define VINO_DATA_NORM_SECAM 2 |
| 139 | #define VINO_DATA_NORM_D1 3 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 140 | |
| 141 | #define VINO_DATA_NORM_COUNT 4 |
| 142 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame^] | 143 | /* I2C controller flags */ |
| 144 | #define SGI_I2C_FORCE_IDLE (0 << 0) |
| 145 | #define SGI_I2C_NOT_IDLE (1 << 0) |
| 146 | #define SGI_I2C_WRITE (0 << 1) |
| 147 | #define SGI_I2C_READ (1 << 1) |
| 148 | #define SGI_I2C_RELEASE_BUS (0 << 2) |
| 149 | #define SGI_I2C_HOLD_BUS (1 << 2) |
| 150 | #define SGI_I2C_XFER_DONE (0 << 4) |
| 151 | #define SGI_I2C_XFER_BUSY (1 << 4) |
| 152 | #define SGI_I2C_ACK (0 << 5) |
| 153 | #define SGI_I2C_NACK (1 << 5) |
| 154 | #define SGI_I2C_BUS_OK (0 << 7) |
| 155 | #define SGI_I2C_BUS_ERR (1 << 7) |
| 156 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 157 | /* Internal data structure definitions */ |
| 158 | |
| 159 | struct vino_input { |
| 160 | char *name; |
| 161 | v4l2_std_id std; |
| 162 | }; |
| 163 | |
| 164 | struct vino_clipping { |
| 165 | unsigned int left, right, top, bottom; |
| 166 | }; |
| 167 | |
| 168 | struct vino_data_format { |
| 169 | /* the description */ |
| 170 | char *description; |
| 171 | /* bytes per pixel */ |
| 172 | unsigned int bpp; |
| 173 | /* V4L2 fourcc code */ |
| 174 | __u32 pixelformat; |
| 175 | /* V4L2 colorspace (duh!) */ |
| 176 | enum v4l2_colorspace colorspace; |
| 177 | }; |
| 178 | |
| 179 | struct vino_data_norm { |
| 180 | char *description; |
| 181 | unsigned int width, height; |
| 182 | struct vino_clipping odd; |
| 183 | struct vino_clipping even; |
| 184 | |
| 185 | v4l2_std_id std; |
| 186 | unsigned int fps_min, fps_max; |
| 187 | __u32 framelines; |
| 188 | }; |
| 189 | |
| 190 | struct vino_descriptor_table { |
| 191 | /* the number of PAGE_SIZE sized pages in the buffer */ |
| 192 | unsigned int page_count; |
| 193 | /* virtual (kmalloc'd) pointers to the actual data |
| 194 | * (in PAGE_SIZE chunks, used with mmap streaming) */ |
| 195 | unsigned long *virtual; |
| 196 | |
| 197 | /* cpu address for the VINO descriptor table |
| 198 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ |
| 199 | unsigned long *dma_cpu; |
| 200 | /* dma address for the VINO descriptor table |
| 201 | * (contains DMA addresses, VINO_PAGE_SIZE chunks) */ |
| 202 | dma_addr_t dma; |
| 203 | }; |
| 204 | |
| 205 | struct vino_framebuffer { |
| 206 | /* identifier nubmer */ |
| 207 | unsigned int id; |
| 208 | /* the length of the whole buffer */ |
| 209 | unsigned int size; |
| 210 | /* the length of actual data in buffer */ |
| 211 | unsigned int data_size; |
| 212 | /* the data format */ |
| 213 | unsigned int data_format; |
| 214 | /* the state of buffer data */ |
| 215 | unsigned int state; |
| 216 | /* is the buffer mapped in user space? */ |
| 217 | unsigned int map_count; |
| 218 | /* memory offset for mmap() */ |
| 219 | unsigned int offset; |
| 220 | /* frame counter */ |
| 221 | unsigned int frame_counter; |
| 222 | /* timestamp (written when image capture finishes) */ |
| 223 | struct timeval timestamp; |
| 224 | |
| 225 | struct vino_descriptor_table desc_table; |
| 226 | |
| 227 | spinlock_t state_lock; |
| 228 | }; |
| 229 | |
| 230 | struct vino_framebuffer_fifo { |
| 231 | unsigned int length; |
| 232 | |
| 233 | unsigned int used; |
| 234 | unsigned int head; |
| 235 | unsigned int tail; |
| 236 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 237 | unsigned int data[VINO_FRAMEBUFFER_COUNT_MAX]; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 238 | }; |
| 239 | |
| 240 | struct vino_framebuffer_queue { |
| 241 | unsigned int magic; |
| 242 | |
| 243 | /* VINO_MEMORY_NONE, VINO_MEMORY_MMAP or VINO_MEMORY_USERPTR */ |
| 244 | unsigned int type; |
| 245 | unsigned int length; |
| 246 | |
| 247 | /* data field of in and out contain index numbers for buffer */ |
| 248 | struct vino_framebuffer_fifo in; |
| 249 | struct vino_framebuffer_fifo out; |
| 250 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 251 | struct vino_framebuffer *buffer[VINO_FRAMEBUFFER_COUNT_MAX]; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 252 | |
| 253 | spinlock_t queue_lock; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 254 | struct mutex queue_mutex; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 255 | wait_queue_head_t frame_wait_queue; |
| 256 | }; |
| 257 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 258 | struct vino_interrupt_data { |
| 259 | struct timeval timestamp; |
| 260 | unsigned int frame_counter; |
| 261 | unsigned int skip_count; |
| 262 | unsigned int skip; |
| 263 | }; |
| 264 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 265 | struct vino_channel_settings { |
| 266 | unsigned int channel; |
| 267 | |
| 268 | int input; |
| 269 | unsigned int data_format; |
| 270 | unsigned int data_norm; |
| 271 | struct vino_clipping clipping; |
| 272 | unsigned int decimation; |
| 273 | unsigned int line_size; |
| 274 | unsigned int alpha; |
| 275 | unsigned int fps; |
| 276 | unsigned int framert_reg; |
| 277 | |
| 278 | unsigned int fifo_threshold; |
| 279 | |
| 280 | struct vino_framebuffer_queue fb_queue; |
| 281 | |
| 282 | /* number of the current field */ |
| 283 | unsigned int field; |
| 284 | |
| 285 | /* read in progress */ |
| 286 | int reading; |
| 287 | /* streaming is active */ |
| 288 | int streaming; |
| 289 | /* the driver is currently processing the queue */ |
| 290 | int capturing; |
| 291 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 292 | struct mutex mutex; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 293 | spinlock_t capture_lock; |
| 294 | |
| 295 | unsigned int users; |
| 296 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 297 | struct vino_interrupt_data int_data; |
| 298 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 299 | /* V4L support */ |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 300 | struct video_device *vdev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | }; |
| 302 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 303 | struct vino_settings { |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 304 | struct v4l2_device v4l2_dev; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 305 | struct vino_channel_settings a; |
| 306 | struct vino_channel_settings b; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 308 | /* the channel which owns this client: |
| 309 | * VINO_NO_CHANNEL, VINO_CHANNEL_A or VINO_CHANNEL_B */ |
| 310 | unsigned int decoder_owner; |
| 311 | struct v4l2_subdev *decoder; |
| 312 | unsigned int camera_owner; |
| 313 | struct v4l2_subdev *camera; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 315 | /* a lock for vino register access */ |
| 316 | spinlock_t vino_lock; |
| 317 | /* a lock for channel input changes */ |
| 318 | spinlock_t input_lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | unsigned long dummy_page; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 321 | struct vino_descriptor_table dummy_desc_table; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | }; |
| 323 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 324 | /* Module parameters */ |
| 325 | |
| 326 | /* |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 327 | * Using vino_pixel_conversion the ABGR32-format pixels supplied |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 328 | * by the VINO chip can be converted to more common formats |
| 329 | * like RGBA32 (or probably RGB24 in the future). This way we |
| 330 | * can give out data that can be specified correctly with |
| 331 | * the V4L2-definitions. |
| 332 | * |
| 333 | * The pixel format is specified as RGBA32 when no conversion |
| 334 | * is used. |
| 335 | * |
| 336 | * Note that this only affects the 32-bit bit depth. |
| 337 | * |
| 338 | * Use non-zero value to enable conversion. |
| 339 | */ |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 340 | static int vino_pixel_conversion; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 341 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 342 | module_param_named(pixelconv, vino_pixel_conversion, int, 0); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 343 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 344 | MODULE_PARM_DESC(pixelconv, |
| 345 | "enable pixel conversion (non-zero value enables)"); |
| 346 | |
| 347 | /* Internal data structures */ |
| 348 | |
| 349 | static struct sgi_vino *vino; |
| 350 | |
| 351 | static struct vino_settings *vino_drvdata; |
| 352 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 353 | #define camera_call(o, f, args...) \ |
| 354 | v4l2_subdev_call(vino_drvdata->camera, o, f, ##args) |
| 355 | #define decoder_call(o, f, args...) \ |
| 356 | v4l2_subdev_call(vino_drvdata->decoder, o, f, ##args) |
| 357 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 358 | static const char *vino_driver_name = "vino"; |
| 359 | static const char *vino_driver_description = "SGI VINO"; |
| 360 | static const char *vino_bus_name = "GIO64 bus"; |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 361 | static const char *vino_vdev_name_a = "SGI VINO Channel A"; |
| 362 | static const char *vino_vdev_name_b = "SGI VINO Channel B"; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 363 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 364 | static void vino_capture_tasklet(unsigned long channel); |
| 365 | |
| 366 | DECLARE_TASKLET(vino_tasklet_a, vino_capture_tasklet, VINO_CHANNEL_A); |
| 367 | DECLARE_TASKLET(vino_tasklet_b, vino_capture_tasklet, VINO_CHANNEL_B); |
| 368 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 369 | static const struct vino_input vino_inputs[] = { |
| 370 | { |
| 371 | .name = "Composite", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 372 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
| 373 | | V4L2_STD_SECAM, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 374 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 375 | .name = "S-Video", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 376 | .std = V4L2_STD_NTSC | V4L2_STD_PAL |
| 377 | | V4L2_STD_SECAM, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 378 | }, { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 379 | .name = "D1/IndyCam", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 380 | .std = V4L2_STD_NTSC, |
| 381 | } |
| 382 | }; |
| 383 | |
| 384 | static const struct vino_data_format vino_data_formats[] = { |
| 385 | { |
| 386 | .description = "8-bit greyscale", |
| 387 | .bpp = 1, |
| 388 | .pixelformat = V4L2_PIX_FMT_GREY, |
| 389 | .colorspace = V4L2_COLORSPACE_SMPTE170M, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 390 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 391 | .description = "8-bit dithered RGB 3-3-2", |
| 392 | .bpp = 1, |
| 393 | .pixelformat = V4L2_PIX_FMT_RGB332, |
| 394 | .colorspace = V4L2_COLORSPACE_SRGB, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 395 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 396 | .description = "32-bit RGB", |
| 397 | .bpp = 4, |
| 398 | .pixelformat = V4L2_PIX_FMT_RGB32, |
| 399 | .colorspace = V4L2_COLORSPACE_SRGB, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 400 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 401 | .description = "YUV 4:2:2", |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 402 | .bpp = 2, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 403 | .pixelformat = V4L2_PIX_FMT_YUYV, // XXX: swapped? |
| 404 | .colorspace = V4L2_COLORSPACE_SMPTE170M, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 405 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 406 | }; |
| 407 | |
| 408 | static const struct vino_data_norm vino_data_norms[] = { |
| 409 | { |
| 410 | .description = "NTSC", |
| 411 | .std = V4L2_STD_NTSC, |
| 412 | .fps_min = 6, |
| 413 | .fps_max = 30, |
| 414 | .framelines = 525, |
| 415 | .width = VINO_NTSC_WIDTH, |
| 416 | .height = VINO_NTSC_HEIGHT, |
| 417 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 418 | .top = VINO_CLIPPING_START_ODD_NTSC, |
| 419 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 420 | .bottom = VINO_CLIPPING_START_ODD_NTSC |
| 421 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 422 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 423 | }, |
| 424 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 425 | .top = VINO_CLIPPING_START_EVEN_NTSC, |
| 426 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 427 | .bottom = VINO_CLIPPING_START_EVEN_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 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 431 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 432 | .description = "PAL", |
| 433 | .std = V4L2_STD_PAL, |
| 434 | .fps_min = 5, |
| 435 | .fps_max = 25, |
| 436 | .framelines = 625, |
| 437 | .width = VINO_PAL_WIDTH, |
| 438 | .height = VINO_PAL_HEIGHT, |
| 439 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 440 | .top = VINO_CLIPPING_START_ODD_PAL, |
| 441 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 442 | .bottom = VINO_CLIPPING_START_ODD_PAL |
| 443 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 444 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 445 | }, |
| 446 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 447 | .top = VINO_CLIPPING_START_EVEN_PAL, |
| 448 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 449 | .bottom = VINO_CLIPPING_START_EVEN_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 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 453 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 454 | .description = "SECAM", |
| 455 | .std = V4L2_STD_SECAM, |
| 456 | .fps_min = 5, |
| 457 | .fps_max = 25, |
| 458 | .framelines = 625, |
| 459 | .width = VINO_PAL_WIDTH, |
| 460 | .height = VINO_PAL_HEIGHT, |
| 461 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 462 | .top = VINO_CLIPPING_START_ODD_PAL, |
| 463 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 464 | .bottom = VINO_CLIPPING_START_ODD_PAL |
| 465 | + VINO_PAL_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 466 | .right = VINO_PAL_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 467 | }, |
| 468 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 469 | .top = VINO_CLIPPING_START_EVEN_PAL, |
| 470 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 471 | .bottom = VINO_CLIPPING_START_EVEN_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 | }, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 475 | }, { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 476 | .description = "NTSC/D1", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 477 | .std = V4L2_STD_NTSC, |
| 478 | .fps_min = 6, |
| 479 | .fps_max = 30, |
| 480 | .framelines = 525, |
| 481 | .width = VINO_NTSC_WIDTH, |
| 482 | .height = VINO_NTSC_HEIGHT, |
| 483 | .odd = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 484 | .top = VINO_CLIPPING_START_ODD_D1, |
| 485 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 486 | .bottom = VINO_CLIPPING_START_ODD_D1 |
| 487 | + VINO_NTSC_HEIGHT / 2 - 1, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 488 | .right = VINO_NTSC_WIDTH, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 489 | }, |
| 490 | .even = { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 491 | .top = VINO_CLIPPING_START_EVEN_D1, |
| 492 | .left = 0, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 493 | .bottom = VINO_CLIPPING_START_EVEN_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 | } |
| 498 | }; |
| 499 | |
| 500 | #define VINO_INDYCAM_V4L2_CONTROL_COUNT 9 |
| 501 | |
| 502 | struct v4l2_queryctrl vino_indycam_v4l2_controls[] = { |
| 503 | { |
| 504 | .id = V4L2_CID_AUTOGAIN, |
| 505 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 506 | .name = "Automatic Gain Control", |
| 507 | .minimum = 0, |
| 508 | .maximum = 1, |
| 509 | .step = 1, |
| 510 | .default_value = INDYCAM_AGC_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 511 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 512 | .id = V4L2_CID_AUTO_WHITE_BALANCE, |
| 513 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 514 | .name = "Automatic White Balance", |
| 515 | .minimum = 0, |
| 516 | .maximum = 1, |
| 517 | .step = 1, |
| 518 | .default_value = INDYCAM_AWB_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 519 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 520 | .id = V4L2_CID_GAIN, |
| 521 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 522 | .name = "Gain", |
| 523 | .minimum = INDYCAM_GAIN_MIN, |
| 524 | .maximum = INDYCAM_GAIN_MAX, |
| 525 | .step = 1, |
| 526 | .default_value = INDYCAM_GAIN_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 527 | }, { |
| 528 | .id = INDYCAM_CONTROL_RED_SATURATION, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 529 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 530 | .name = "Red Saturation", |
| 531 | .minimum = INDYCAM_RED_SATURATION_MIN, |
| 532 | .maximum = INDYCAM_RED_SATURATION_MAX, |
| 533 | .step = 1, |
| 534 | .default_value = INDYCAM_RED_SATURATION_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 535 | }, { |
| 536 | .id = INDYCAM_CONTROL_BLUE_SATURATION, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 537 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 538 | .name = "Blue Saturation", |
| 539 | .minimum = INDYCAM_BLUE_SATURATION_MIN, |
| 540 | .maximum = INDYCAM_BLUE_SATURATION_MAX, |
| 541 | .step = 1, |
| 542 | .default_value = INDYCAM_BLUE_SATURATION_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 543 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 544 | .id = V4L2_CID_RED_BALANCE, |
| 545 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 546 | .name = "Red Balance", |
| 547 | .minimum = INDYCAM_RED_BALANCE_MIN, |
| 548 | .maximum = INDYCAM_RED_BALANCE_MAX, |
| 549 | .step = 1, |
| 550 | .default_value = INDYCAM_RED_BALANCE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 551 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 552 | .id = V4L2_CID_BLUE_BALANCE, |
| 553 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 554 | .name = "Blue Balance", |
| 555 | .minimum = INDYCAM_BLUE_BALANCE_MIN, |
| 556 | .maximum = INDYCAM_BLUE_BALANCE_MAX, |
| 557 | .step = 1, |
| 558 | .default_value = INDYCAM_BLUE_BALANCE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 559 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 560 | .id = V4L2_CID_EXPOSURE, |
| 561 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 562 | .name = "Shutter Control", |
| 563 | .minimum = INDYCAM_SHUTTER_MIN, |
| 564 | .maximum = INDYCAM_SHUTTER_MAX, |
| 565 | .step = 1, |
| 566 | .default_value = INDYCAM_SHUTTER_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 567 | }, { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 568 | .id = V4L2_CID_GAMMA, |
| 569 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 570 | .name = "Gamma", |
| 571 | .minimum = INDYCAM_GAMMA_MIN, |
| 572 | .maximum = INDYCAM_GAMMA_MAX, |
| 573 | .step = 1, |
| 574 | .default_value = INDYCAM_GAMMA_DEFAULT, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 575 | } |
| 576 | }; |
| 577 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 578 | #define VINO_SAA7191_V4L2_CONTROL_COUNT 9 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 579 | |
| 580 | struct v4l2_queryctrl vino_saa7191_v4l2_controls[] = { |
| 581 | { |
| 582 | .id = V4L2_CID_HUE, |
| 583 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 584 | .name = "Hue", |
| 585 | .minimum = SAA7191_HUE_MIN, |
| 586 | .maximum = SAA7191_HUE_MAX, |
| 587 | .step = 1, |
| 588 | .default_value = SAA7191_HUE_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 589 | }, { |
| 590 | .id = SAA7191_CONTROL_BANDPASS, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 591 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 592 | .name = "Luminance Bandpass", |
| 593 | .minimum = SAA7191_BANDPASS_MIN, |
| 594 | .maximum = SAA7191_BANDPASS_MAX, |
| 595 | .step = 1, |
| 596 | .default_value = SAA7191_BANDPASS_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 597 | }, { |
| 598 | .id = SAA7191_CONTROL_BANDPASS_WEIGHT, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 599 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 600 | .name = "Luminance Bandpass Weight", |
| 601 | .minimum = SAA7191_BANDPASS_WEIGHT_MIN, |
| 602 | .maximum = SAA7191_BANDPASS_WEIGHT_MAX, |
| 603 | .step = 1, |
| 604 | .default_value = SAA7191_BANDPASS_WEIGHT_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 605 | }, { |
| 606 | .id = SAA7191_CONTROL_CORING, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 607 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 608 | .name = "HF Luminance Coring", |
| 609 | .minimum = SAA7191_CORING_MIN, |
| 610 | .maximum = SAA7191_CORING_MAX, |
| 611 | .step = 1, |
| 612 | .default_value = SAA7191_CORING_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 613 | }, { |
| 614 | .id = SAA7191_CONTROL_FORCE_COLOUR, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 615 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 616 | .name = "Force Colour", |
| 617 | .minimum = SAA7191_FORCE_COLOUR_MIN, |
| 618 | .maximum = SAA7191_FORCE_COLOUR_MAX, |
| 619 | .step = 1, |
| 620 | .default_value = SAA7191_FORCE_COLOUR_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 621 | }, { |
| 622 | .id = SAA7191_CONTROL_CHROMA_GAIN, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 623 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 624 | .name = "Chrominance Gain Control", |
| 625 | .minimum = SAA7191_CHROMA_GAIN_MIN, |
| 626 | .maximum = SAA7191_CHROMA_GAIN_MAX, |
| 627 | .step = 1, |
| 628 | .default_value = SAA7191_CHROMA_GAIN_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 629 | }, { |
| 630 | .id = SAA7191_CONTROL_VTRC, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 631 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 632 | .name = "VTR Time Constant", |
| 633 | .minimum = SAA7191_VTRC_MIN, |
| 634 | .maximum = SAA7191_VTRC_MAX, |
| 635 | .step = 1, |
| 636 | .default_value = SAA7191_VTRC_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 637 | }, { |
| 638 | .id = SAA7191_CONTROL_LUMA_DELAY, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 639 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 640 | .name = "Luminance Delay Compensation", |
| 641 | .minimum = SAA7191_LUMA_DELAY_MIN, |
| 642 | .maximum = SAA7191_LUMA_DELAY_MAX, |
| 643 | .step = 1, |
| 644 | .default_value = SAA7191_LUMA_DELAY_DEFAULT, |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 645 | }, { |
| 646 | .id = SAA7191_CONTROL_VNR, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 647 | .type = V4L2_CTRL_TYPE_INTEGER, |
| 648 | .name = "Vertical Noise Reduction", |
| 649 | .minimum = SAA7191_VNR_MIN, |
| 650 | .maximum = SAA7191_VNR_MAX, |
| 651 | .step = 1, |
| 652 | .default_value = SAA7191_VNR_DEFAULT, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 653 | } |
| 654 | }; |
| 655 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 656 | /* VINO framebuffer/DMA descriptor management */ |
| 657 | |
| 658 | static void vino_free_buffer_with_count(struct vino_framebuffer *fb, |
| 659 | unsigned int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 661 | unsigned int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 663 | dprintk("vino_free_buffer_with_count(): count = %d\n", count); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 664 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 665 | for (i = 0; i < count; i++) { |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 666 | ClearPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 667 | dma_unmap_single(NULL, |
| 668 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], |
| 669 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 670 | free_page(fb->desc_table.virtual[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 671 | } |
| 672 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 673 | dma_free_coherent(NULL, |
| 674 | VINO_PAGE_RATIO * (fb->desc_table.page_count + 4) * |
| 675 | sizeof(dma_addr_t), (void *)fb->desc_table.dma_cpu, |
| 676 | fb->desc_table.dma); |
| 677 | kfree(fb->desc_table.virtual); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 679 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 680 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 682 | static void vino_free_buffer(struct vino_framebuffer *fb) |
| 683 | { |
| 684 | vino_free_buffer_with_count(fb, fb->desc_table.page_count); |
| 685 | } |
| 686 | |
| 687 | static int vino_allocate_buffer(struct vino_framebuffer *fb, |
| 688 | unsigned int size) |
| 689 | { |
| 690 | unsigned int count, i, j; |
| 691 | int ret = 0; |
| 692 | |
| 693 | dprintk("vino_allocate_buffer():\n"); |
| 694 | |
| 695 | if (size < 1) |
| 696 | return -EINVAL; |
| 697 | |
| 698 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 699 | |
| 700 | count = ((size / PAGE_SIZE) + 4) & ~3; |
| 701 | |
| 702 | dprintk("vino_allocate_buffer(): size = %d, count = %d\n", |
| 703 | size, count); |
| 704 | |
| 705 | /* allocate memory for table with virtual (page) addresses */ |
| 706 | fb->desc_table.virtual = (unsigned long *) |
| 707 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); |
| 708 | if (!fb->desc_table.virtual) |
| 709 | return -ENOMEM; |
| 710 | |
| 711 | /* allocate memory for table with dma addresses |
| 712 | * (has space for four extra descriptors) */ |
| 713 | fb->desc_table.dma_cpu = |
| 714 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * |
| 715 | sizeof(dma_addr_t), &fb->desc_table.dma, |
| 716 | GFP_KERNEL | GFP_DMA); |
| 717 | if (!fb->desc_table.dma_cpu) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 718 | ret = -ENOMEM; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 719 | goto out_free_virtual; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 720 | } |
| 721 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 722 | /* allocate pages for the buffer and acquire the according |
| 723 | * dma addresses */ |
| 724 | for (i = 0; i < count; i++) { |
| 725 | dma_addr_t dma_data_addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 726 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 727 | fb->desc_table.virtual[i] = |
| 728 | get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 729 | if (!fb->desc_table.virtual[i]) { |
| 730 | ret = -ENOBUFS; |
| 731 | break; |
| 732 | } |
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 | dma_data_addr = |
| 735 | dma_map_single(NULL, |
| 736 | (void *)fb->desc_table.virtual[i], |
| 737 | PAGE_SIZE, DMA_FROM_DEVICE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 738 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 739 | for (j = 0; j < VINO_PAGE_RATIO; j++) { |
| 740 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = |
| 741 | dma_data_addr + VINO_PAGE_SIZE * j; |
| 742 | } |
| 743 | |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 744 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 745 | } |
| 746 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 747 | /* page_count needs to be set anyway, because the descriptor table has |
| 748 | * been allocated according to this number */ |
| 749 | fb->desc_table.page_count = count; |
| 750 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 751 | if (ret) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 752 | /* the descriptor with index i doesn't contain |
| 753 | * a valid address yet */ |
| 754 | vino_free_buffer_with_count(fb, i); |
| 755 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | } |
| 757 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 758 | //fb->size = size; |
| 759 | fb->size = count * PAGE_SIZE; |
| 760 | fb->data_format = VINO_DATA_FMT_NONE; |
| 761 | |
| 762 | /* set the dma stop-bit for the last (count+1)th descriptor */ |
| 763 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; |
| 764 | return 0; |
| 765 | |
| 766 | out_free_virtual: |
| 767 | kfree(fb->desc_table.virtual); |
| 768 | return ret; |
| 769 | } |
| 770 | |
| 771 | #if 0 |
| 772 | /* user buffers not fully implemented yet */ |
| 773 | static int vino_prepare_user_buffer(struct vino_framebuffer *fb, |
| 774 | void *user, |
| 775 | unsigned int size) |
| 776 | { |
| 777 | unsigned int count, i, j; |
| 778 | int ret = 0; |
| 779 | |
| 780 | dprintk("vino_prepare_user_buffer():\n"); |
| 781 | |
| 782 | if (size < 1) |
| 783 | return -EINVAL; |
| 784 | |
| 785 | memset(fb, 0, sizeof(struct vino_framebuffer)); |
| 786 | |
| 787 | count = ((size / PAGE_SIZE)) & ~3; |
| 788 | |
| 789 | dprintk("vino_prepare_user_buffer(): size = %d, count = %d\n", |
| 790 | size, count); |
| 791 | |
| 792 | /* allocate memory for table with virtual (page) addresses */ |
| 793 | fb->desc_table.virtual = (unsigned long *) |
| 794 | kmalloc(count * sizeof(unsigned long), GFP_KERNEL); |
| 795 | if (!fb->desc_table.virtual) |
| 796 | return -ENOMEM; |
| 797 | |
| 798 | /* allocate memory for table with dma addresses |
| 799 | * (has space for four extra descriptors) */ |
| 800 | fb->desc_table.dma_cpu = |
| 801 | dma_alloc_coherent(NULL, VINO_PAGE_RATIO * (count + 4) * |
| 802 | sizeof(dma_addr_t), &fb->desc_table.dma, |
| 803 | GFP_KERNEL | GFP_DMA); |
| 804 | if (!fb->desc_table.dma_cpu) { |
| 805 | ret = -ENOMEM; |
| 806 | goto out_free_virtual; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 807 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 808 | |
| 809 | /* allocate pages for the buffer and acquire the according |
| 810 | * dma addresses */ |
| 811 | for (i = 0; i < count; i++) { |
| 812 | dma_addr_t dma_data_addr; |
| 813 | |
| 814 | fb->desc_table.virtual[i] = |
| 815 | get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 816 | if (!fb->desc_table.virtual[i]) { |
| 817 | ret = -ENOBUFS; |
| 818 | break; |
| 819 | } |
| 820 | |
| 821 | dma_data_addr = |
| 822 | dma_map_single(NULL, |
| 823 | (void *)fb->desc_table.virtual[i], |
| 824 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 825 | |
| 826 | for (j = 0; j < VINO_PAGE_RATIO; j++) { |
| 827 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i + j] = |
| 828 | dma_data_addr + VINO_PAGE_SIZE * j; |
| 829 | } |
| 830 | |
Hans Verkuil | eda9e4e | 2008-08-22 17:12:08 -0300 | [diff] [blame] | 831 | SetPageReserved(virt_to_page((void *)fb->desc_table.virtual[i])); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 832 | } |
| 833 | |
| 834 | /* page_count needs to be set anyway, because the descriptor table has |
| 835 | * been allocated according to this number */ |
| 836 | fb->desc_table.page_count = count; |
| 837 | |
| 838 | if (ret) { |
| 839 | /* the descriptor with index i doesn't contain |
| 840 | * a valid address yet */ |
| 841 | vino_free_buffer_with_count(fb, i); |
| 842 | return ret; |
| 843 | } |
| 844 | |
| 845 | //fb->size = size; |
| 846 | fb->size = count * PAGE_SIZE; |
| 847 | |
| 848 | /* set the dma stop-bit for the last (count+1)th descriptor */ |
| 849 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * count] = VINO_DESC_STOP; |
| 850 | return 0; |
| 851 | |
| 852 | out_free_virtual: |
| 853 | kfree(fb->desc_table.virtual); |
| 854 | return ret; |
| 855 | } |
| 856 | #endif |
| 857 | |
| 858 | static void vino_sync_buffer(struct vino_framebuffer *fb) |
| 859 | { |
| 860 | int i; |
| 861 | |
| 862 | dprintk("vino_sync_buffer():\n"); |
| 863 | |
| 864 | for (i = 0; i < fb->desc_table.page_count; i++) |
| 865 | dma_sync_single(NULL, |
| 866 | fb->desc_table.dma_cpu[VINO_PAGE_RATIO * i], |
| 867 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 868 | } |
| 869 | |
| 870 | /* Framebuffer fifo functions (need to be locked externally) */ |
| 871 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 872 | static inline void vino_fifo_init(struct vino_framebuffer_fifo *f, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 873 | unsigned int length) |
| 874 | { |
| 875 | f->length = 0; |
| 876 | f->used = 0; |
| 877 | f->head = 0; |
| 878 | f->tail = 0; |
| 879 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 880 | if (length > VINO_FRAMEBUFFER_COUNT_MAX) |
| 881 | length = VINO_FRAMEBUFFER_COUNT_MAX; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 882 | |
| 883 | f->length = length; |
| 884 | } |
| 885 | |
| 886 | /* returns true/false */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 887 | static inline int vino_fifo_has_id(struct vino_framebuffer_fifo *f, |
| 888 | unsigned int id) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 889 | { |
| 890 | unsigned int i; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 891 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 892 | for (i = f->head; i == (f->tail - 1); i = (i + 1) % f->length) { |
| 893 | if (f->data[i] == id) |
| 894 | return 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 895 | } |
| 896 | |
| 897 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 898 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 899 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 900 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 901 | /* returns true/false */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 902 | static inline int vino_fifo_full(struct vino_framebuffer_fifo *f) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 903 | { |
| 904 | return (f->used == f->length); |
| 905 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 906 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 907 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 908 | 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] | 909 | { |
| 910 | return f->used; |
| 911 | } |
| 912 | |
| 913 | static int vino_fifo_enqueue(struct vino_framebuffer_fifo *f, unsigned int id) |
| 914 | { |
| 915 | if (id >= f->length) { |
| 916 | return VINO_QUEUE_ERROR; |
| 917 | } |
| 918 | |
| 919 | if (vino_fifo_has_id(f, id)) { |
| 920 | return VINO_QUEUE_ERROR; |
| 921 | } |
| 922 | |
| 923 | if (f->used < f->length) { |
| 924 | f->data[f->tail] = id; |
| 925 | f->tail = (f->tail + 1) % f->length; |
| 926 | f->used++; |
| 927 | } else { |
| 928 | return VINO_QUEUE_ERROR; |
| 929 | } |
| 930 | |
| 931 | return 0; |
| 932 | } |
| 933 | |
| 934 | static int vino_fifo_peek(struct vino_framebuffer_fifo *f, unsigned int *id) |
| 935 | { |
| 936 | if (f->used > 0) { |
| 937 | *id = f->data[f->head]; |
| 938 | } else { |
| 939 | return VINO_QUEUE_ERROR; |
| 940 | } |
| 941 | |
| 942 | return 0; |
| 943 | } |
| 944 | |
| 945 | static int vino_fifo_dequeue(struct vino_framebuffer_fifo *f, unsigned int *id) |
| 946 | { |
| 947 | if (f->used > 0) { |
| 948 | *id = f->data[f->head]; |
| 949 | f->head = (f->head + 1) % f->length; |
| 950 | f->used--; |
| 951 | } else { |
| 952 | return VINO_QUEUE_ERROR; |
| 953 | } |
| 954 | |
| 955 | return 0; |
| 956 | } |
| 957 | |
| 958 | /* Framebuffer queue functions */ |
| 959 | |
| 960 | /* execute with queue_lock locked */ |
| 961 | static void vino_queue_free_with_count(struct vino_framebuffer_queue *q, |
| 962 | unsigned int length) |
| 963 | { |
| 964 | unsigned int i; |
| 965 | |
| 966 | q->length = 0; |
| 967 | memset(&q->in, 0, sizeof(struct vino_framebuffer_fifo)); |
| 968 | memset(&q->out, 0, sizeof(struct vino_framebuffer_fifo)); |
| 969 | for (i = 0; i < length; i++) { |
| 970 | dprintk("vino_queue_free_with_count(): freeing buffer %d\n", |
| 971 | i); |
| 972 | vino_free_buffer(q->buffer[i]); |
| 973 | kfree(q->buffer[i]); |
| 974 | } |
| 975 | |
| 976 | q->type = VINO_MEMORY_NONE; |
| 977 | q->magic = 0; |
| 978 | } |
| 979 | |
| 980 | static void vino_queue_free(struct vino_framebuffer_queue *q) |
| 981 | { |
| 982 | dprintk("vino_queue_free():\n"); |
| 983 | |
| 984 | if (q->magic != VINO_QUEUE_MAGIC) |
| 985 | return; |
| 986 | if (q->type != VINO_MEMORY_MMAP) |
| 987 | return; |
| 988 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 989 | mutex_lock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 990 | |
| 991 | vino_queue_free_with_count(q, q->length); |
| 992 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 993 | mutex_unlock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 994 | } |
| 995 | |
| 996 | static int vino_queue_init(struct vino_framebuffer_queue *q, |
| 997 | unsigned int *length) |
| 998 | { |
| 999 | unsigned int i; |
| 1000 | int ret = 0; |
| 1001 | |
| 1002 | dprintk("vino_queue_init(): length = %d\n", *length); |
| 1003 | |
| 1004 | if (q->magic == VINO_QUEUE_MAGIC) { |
| 1005 | dprintk("vino_queue_init(): queue already initialized!\n"); |
| 1006 | return -EINVAL; |
| 1007 | } |
| 1008 | |
| 1009 | if (q->type != VINO_MEMORY_NONE) { |
| 1010 | dprintk("vino_queue_init(): queue already initialized!\n"); |
| 1011 | return -EINVAL; |
| 1012 | } |
| 1013 | |
| 1014 | if (*length < 1) |
| 1015 | return -EINVAL; |
| 1016 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1017 | mutex_lock(&q->queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1018 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1019 | if (*length > VINO_FRAMEBUFFER_COUNT_MAX) |
| 1020 | *length = VINO_FRAMEBUFFER_COUNT_MAX; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1021 | |
| 1022 | q->length = 0; |
| 1023 | |
| 1024 | for (i = 0; i < *length; i++) { |
| 1025 | dprintk("vino_queue_init(): allocating buffer %d\n", i); |
| 1026 | q->buffer[i] = kmalloc(sizeof(struct vino_framebuffer), |
| 1027 | GFP_KERNEL); |
| 1028 | if (!q->buffer[i]) { |
| 1029 | dprintk("vino_queue_init(): kmalloc() failed\n"); |
| 1030 | ret = -ENOMEM; |
| 1031 | break; |
| 1032 | } |
| 1033 | |
| 1034 | ret = vino_allocate_buffer(q->buffer[i], |
| 1035 | VINO_FRAMEBUFFER_SIZE); |
| 1036 | if (ret) { |
| 1037 | kfree(q->buffer[i]); |
| 1038 | dprintk("vino_queue_init(): " |
| 1039 | "vino_allocate_buffer() failed\n"); |
| 1040 | break; |
| 1041 | } |
| 1042 | |
| 1043 | q->buffer[i]->id = i; |
| 1044 | if (i > 0) { |
| 1045 | q->buffer[i]->offset = q->buffer[i - 1]->offset + |
| 1046 | q->buffer[i - 1]->size; |
| 1047 | } else { |
| 1048 | q->buffer[i]->offset = 0; |
| 1049 | } |
| 1050 | |
| 1051 | spin_lock_init(&q->buffer[i]->state_lock); |
| 1052 | |
| 1053 | dprintk("vino_queue_init(): buffer = %d, offset = %d, " |
| 1054 | "size = %d\n", i, q->buffer[i]->offset, |
| 1055 | q->buffer[i]->size); |
| 1056 | } |
| 1057 | |
| 1058 | if (ret) { |
| 1059 | vino_queue_free_with_count(q, i); |
| 1060 | *length = 0; |
| 1061 | } else { |
| 1062 | q->length = *length; |
| 1063 | vino_fifo_init(&q->in, q->length); |
| 1064 | vino_fifo_init(&q->out, q->length); |
| 1065 | q->type = VINO_MEMORY_MMAP; |
| 1066 | q->magic = VINO_QUEUE_MAGIC; |
| 1067 | } |
| 1068 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1069 | mutex_unlock(&q->queue_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1070 | |
| 1071 | return ret; |
| 1072 | } |
| 1073 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1074 | static struct vino_framebuffer *vino_queue_add(struct |
| 1075 | vino_framebuffer_queue *q, |
| 1076 | unsigned int id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1077 | { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1078 | struct vino_framebuffer *ret = NULL; |
| 1079 | unsigned int total; |
| 1080 | unsigned long flags; |
| 1081 | |
| 1082 | dprintk("vino_queue_add(): id = %d\n", id); |
| 1083 | |
| 1084 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1085 | return ret; |
| 1086 | } |
| 1087 | |
| 1088 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1089 | |
| 1090 | if (q->length == 0) |
| 1091 | goto out; |
| 1092 | |
| 1093 | if (id >= q->length) |
| 1094 | goto out; |
| 1095 | |
| 1096 | /* not needed?: if (vino_fifo_full(&q->out)) { |
| 1097 | goto out; |
| 1098 | }*/ |
| 1099 | /* check that outgoing queue isn't already full |
| 1100 | * (or that it won't become full) */ |
| 1101 | total = vino_fifo_get_used(&q->in) + |
| 1102 | vino_fifo_get_used(&q->out); |
| 1103 | if (total >= q->length) |
| 1104 | goto out; |
| 1105 | |
| 1106 | if (vino_fifo_enqueue(&q->in, id)) |
| 1107 | goto out; |
| 1108 | |
| 1109 | ret = q->buffer[id]; |
| 1110 | |
| 1111 | out: |
| 1112 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1113 | |
| 1114 | return ret; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1115 | } |
| 1116 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1117 | static struct vino_framebuffer *vino_queue_transfer(struct |
| 1118 | vino_framebuffer_queue *q) |
| 1119 | { |
| 1120 | struct vino_framebuffer *ret = NULL; |
| 1121 | struct vino_framebuffer *fb; |
| 1122 | int id; |
| 1123 | unsigned long flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1124 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1125 | dprintk("vino_queue_transfer():\n"); |
| 1126 | |
| 1127 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1128 | return ret; |
| 1129 | } |
| 1130 | |
| 1131 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1132 | |
| 1133 | if (q->length == 0) |
| 1134 | goto out; |
| 1135 | |
| 1136 | // now this actually removes an entry from the incoming queue |
| 1137 | if (vino_fifo_dequeue(&q->in, &id)) { |
| 1138 | goto out; |
| 1139 | } |
| 1140 | |
| 1141 | dprintk("vino_queue_transfer(): id = %d\n", id); |
| 1142 | fb = q->buffer[id]; |
| 1143 | |
| 1144 | // we have already checked that the outgoing queue is not full, but... |
| 1145 | if (vino_fifo_enqueue(&q->out, id)) { |
| 1146 | printk(KERN_ERR "vino_queue_transfer(): " |
| 1147 | "outgoing queue is full, this shouldn't happen!\n"); |
| 1148 | goto out; |
| 1149 | } |
| 1150 | |
| 1151 | ret = fb; |
| 1152 | out: |
| 1153 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1154 | |
| 1155 | return ret; |
| 1156 | } |
| 1157 | |
| 1158 | /* returns true/false */ |
| 1159 | static int vino_queue_incoming_contains(struct vino_framebuffer_queue *q, |
| 1160 | unsigned int id) |
| 1161 | { |
| 1162 | int ret = 0; |
| 1163 | unsigned long flags; |
| 1164 | |
| 1165 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1166 | return ret; |
| 1167 | } |
| 1168 | |
| 1169 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1170 | |
| 1171 | if (q->length == 0) |
| 1172 | goto out; |
| 1173 | |
| 1174 | ret = vino_fifo_has_id(&q->in, id); |
| 1175 | |
| 1176 | out: |
| 1177 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1178 | |
| 1179 | return ret; |
| 1180 | } |
| 1181 | |
| 1182 | /* returns true/false */ |
| 1183 | static int vino_queue_outgoing_contains(struct vino_framebuffer_queue *q, |
| 1184 | unsigned int id) |
| 1185 | { |
| 1186 | int ret = 0; |
| 1187 | unsigned long flags; |
| 1188 | |
| 1189 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1190 | return ret; |
| 1191 | } |
| 1192 | |
| 1193 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1194 | |
| 1195 | if (q->length == 0) |
| 1196 | goto out; |
| 1197 | |
| 1198 | ret = vino_fifo_has_id(&q->out, id); |
| 1199 | |
| 1200 | out: |
| 1201 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1202 | |
| 1203 | return ret; |
| 1204 | } |
| 1205 | |
| 1206 | static int vino_queue_get_incoming(struct vino_framebuffer_queue *q, |
| 1207 | unsigned int *used) |
| 1208 | { |
| 1209 | int ret = 0; |
| 1210 | unsigned long flags; |
| 1211 | |
| 1212 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1213 | return VINO_QUEUE_ERROR; |
| 1214 | } |
| 1215 | |
| 1216 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1217 | |
| 1218 | if (q->length == 0) { |
| 1219 | ret = VINO_QUEUE_ERROR; |
| 1220 | goto out; |
| 1221 | } |
| 1222 | |
| 1223 | *used = vino_fifo_get_used(&q->in); |
| 1224 | |
| 1225 | out: |
| 1226 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1227 | |
| 1228 | return ret; |
| 1229 | } |
| 1230 | |
| 1231 | static int vino_queue_get_outgoing(struct vino_framebuffer_queue *q, |
| 1232 | unsigned int *used) |
| 1233 | { |
| 1234 | int ret = 0; |
| 1235 | unsigned long flags; |
| 1236 | |
| 1237 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1238 | return VINO_QUEUE_ERROR; |
| 1239 | } |
| 1240 | |
| 1241 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1242 | |
| 1243 | if (q->length == 0) { |
| 1244 | ret = VINO_QUEUE_ERROR; |
| 1245 | goto out; |
| 1246 | } |
| 1247 | |
| 1248 | *used = vino_fifo_get_used(&q->out); |
| 1249 | |
| 1250 | out: |
| 1251 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1252 | |
| 1253 | return ret; |
| 1254 | } |
| 1255 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1256 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1257 | static int vino_queue_get_total(struct vino_framebuffer_queue *q, |
| 1258 | unsigned int *total) |
| 1259 | { |
| 1260 | int ret = 0; |
| 1261 | unsigned long flags; |
| 1262 | |
| 1263 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1264 | return VINO_QUEUE_ERROR; |
| 1265 | } |
| 1266 | |
| 1267 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1268 | |
| 1269 | if (q->length == 0) { |
| 1270 | ret = VINO_QUEUE_ERROR; |
| 1271 | goto out; |
| 1272 | } |
| 1273 | |
| 1274 | *total = vino_fifo_get_used(&q->in) + |
| 1275 | vino_fifo_get_used(&q->out); |
| 1276 | |
| 1277 | out: |
| 1278 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1279 | |
| 1280 | return ret; |
| 1281 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1282 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1283 | |
| 1284 | static struct vino_framebuffer *vino_queue_peek(struct |
| 1285 | vino_framebuffer_queue *q, |
| 1286 | unsigned int *id) |
| 1287 | { |
| 1288 | struct vino_framebuffer *ret = NULL; |
| 1289 | unsigned long flags; |
| 1290 | |
| 1291 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1292 | return ret; |
| 1293 | } |
| 1294 | |
| 1295 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1296 | |
| 1297 | if (q->length == 0) |
| 1298 | goto out; |
| 1299 | |
| 1300 | if (vino_fifo_peek(&q->in, id)) { |
| 1301 | goto out; |
| 1302 | } |
| 1303 | |
| 1304 | ret = q->buffer[*id]; |
| 1305 | out: |
| 1306 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1307 | |
| 1308 | return ret; |
| 1309 | } |
| 1310 | |
| 1311 | static struct vino_framebuffer *vino_queue_remove(struct |
| 1312 | vino_framebuffer_queue *q, |
| 1313 | unsigned int *id) |
| 1314 | { |
| 1315 | struct vino_framebuffer *ret = NULL; |
| 1316 | unsigned long flags; |
| 1317 | dprintk("vino_queue_remove():\n"); |
| 1318 | |
| 1319 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1320 | return ret; |
| 1321 | } |
| 1322 | |
| 1323 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1324 | |
| 1325 | if (q->length == 0) |
| 1326 | goto out; |
| 1327 | |
| 1328 | if (vino_fifo_dequeue(&q->out, id)) { |
| 1329 | goto out; |
| 1330 | } |
| 1331 | |
| 1332 | dprintk("vino_queue_remove(): id = %d\n", *id); |
| 1333 | ret = q->buffer[*id]; |
| 1334 | out: |
| 1335 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1336 | |
| 1337 | return ret; |
| 1338 | } |
| 1339 | |
| 1340 | static struct |
| 1341 | vino_framebuffer *vino_queue_get_buffer(struct vino_framebuffer_queue *q, |
| 1342 | unsigned int id) |
| 1343 | { |
| 1344 | struct vino_framebuffer *ret = NULL; |
| 1345 | unsigned long flags; |
| 1346 | |
| 1347 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1348 | return ret; |
| 1349 | } |
| 1350 | |
| 1351 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1352 | |
| 1353 | if (q->length == 0) |
| 1354 | goto out; |
| 1355 | |
| 1356 | if (id >= q->length) |
| 1357 | goto out; |
| 1358 | |
| 1359 | ret = q->buffer[id]; |
| 1360 | out: |
| 1361 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1362 | |
| 1363 | return ret; |
| 1364 | } |
| 1365 | |
| 1366 | static unsigned int vino_queue_get_length(struct vino_framebuffer_queue *q) |
| 1367 | { |
| 1368 | unsigned int length = 0; |
| 1369 | unsigned long flags; |
| 1370 | |
| 1371 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1372 | return length; |
| 1373 | } |
| 1374 | |
| 1375 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1376 | length = q->length; |
| 1377 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1378 | |
| 1379 | return length; |
| 1380 | } |
| 1381 | |
| 1382 | static int vino_queue_has_mapped_buffers(struct vino_framebuffer_queue *q) |
| 1383 | { |
| 1384 | unsigned int i; |
| 1385 | int ret = 0; |
| 1386 | unsigned long flags; |
| 1387 | |
| 1388 | if (q->magic != VINO_QUEUE_MAGIC) { |
| 1389 | return ret; |
| 1390 | } |
| 1391 | |
| 1392 | spin_lock_irqsave(&q->queue_lock, flags); |
| 1393 | for (i = 0; i < q->length; i++) { |
| 1394 | if (q->buffer[i]->map_count > 0) { |
| 1395 | ret = 1; |
| 1396 | break; |
| 1397 | } |
| 1398 | } |
| 1399 | spin_unlock_irqrestore(&q->queue_lock, flags); |
| 1400 | |
| 1401 | return ret; |
| 1402 | } |
| 1403 | |
| 1404 | /* VINO functions */ |
| 1405 | |
| 1406 | /* execute with input_lock locked */ |
| 1407 | static void vino_update_line_size(struct vino_channel_settings *vcs) |
| 1408 | { |
| 1409 | unsigned int w = vcs->clipping.right - vcs->clipping.left; |
| 1410 | unsigned int d = vcs->decimation; |
| 1411 | unsigned int bpp = vino_data_formats[vcs->data_format].bpp; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1412 | unsigned int lsize; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1413 | |
| 1414 | dprintk("update_line_size(): before: w = %d, d = %d, " |
| 1415 | "line_size = %d\n", w, d, vcs->line_size); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1416 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1417 | /* line size must be multiple of 8 bytes */ |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1418 | lsize = (bpp * (w / d)) & ~7; |
| 1419 | w = (lsize / bpp) * d; |
| 1420 | |
| 1421 | vcs->clipping.right = vcs->clipping.left + w; |
| 1422 | vcs->line_size = lsize; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1423 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1424 | dprintk("update_line_size(): after: w = %d, d = %d, " |
| 1425 | "line_size = %d\n", w, d, vcs->line_size); |
| 1426 | } |
| 1427 | |
| 1428 | /* execute with input_lock locked */ |
| 1429 | static void vino_set_clipping(struct vino_channel_settings *vcs, |
| 1430 | unsigned int x, unsigned int y, |
| 1431 | unsigned int w, unsigned int h) |
| 1432 | { |
| 1433 | unsigned int maxwidth, maxheight; |
| 1434 | unsigned int d; |
| 1435 | |
| 1436 | maxwidth = vino_data_norms[vcs->data_norm].width; |
| 1437 | maxheight = vino_data_norms[vcs->data_norm].height; |
| 1438 | d = vcs->decimation; |
| 1439 | |
| 1440 | y &= ~1; /* odd/even fields */ |
| 1441 | |
| 1442 | if (x > maxwidth) { |
| 1443 | x = 0; |
| 1444 | } |
| 1445 | if (y > maxheight) { |
| 1446 | y = 0; |
| 1447 | } |
| 1448 | |
| 1449 | if (((w / d) < VINO_MIN_WIDTH) |
| 1450 | || ((h / d) < VINO_MIN_HEIGHT)) { |
| 1451 | w = VINO_MIN_WIDTH * d; |
| 1452 | h = VINO_MIN_HEIGHT * d; |
| 1453 | } |
| 1454 | |
| 1455 | if ((x + w) > maxwidth) { |
| 1456 | w = maxwidth - x; |
| 1457 | if ((w / d) < VINO_MIN_WIDTH) |
| 1458 | x = maxwidth - VINO_MIN_WIDTH * d; |
| 1459 | } |
| 1460 | if ((y + h) > maxheight) { |
| 1461 | h = maxheight - y; |
| 1462 | if ((h / d) < VINO_MIN_HEIGHT) |
| 1463 | y = maxheight - VINO_MIN_HEIGHT * d; |
| 1464 | } |
| 1465 | |
| 1466 | vcs->clipping.left = x; |
| 1467 | vcs->clipping.top = y; |
| 1468 | vcs->clipping.right = x + w; |
| 1469 | vcs->clipping.bottom = y + h; |
| 1470 | |
| 1471 | vino_update_line_size(vcs); |
| 1472 | |
| 1473 | dprintk("clipping %d, %d, %d, %d / %d - %d\n", |
| 1474 | vcs->clipping.left, vcs->clipping.top, vcs->clipping.right, |
| 1475 | vcs->clipping.bottom, vcs->decimation, vcs->line_size); |
| 1476 | } |
| 1477 | |
| 1478 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1479 | static inline void vino_set_default_clipping(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1480 | { |
| 1481 | vino_set_clipping(vcs, 0, 0, vino_data_norms[vcs->data_norm].width, |
| 1482 | vino_data_norms[vcs->data_norm].height); |
| 1483 | } |
| 1484 | |
| 1485 | /* execute with input_lock locked */ |
| 1486 | static void vino_set_scaling(struct vino_channel_settings *vcs, |
| 1487 | unsigned int w, unsigned int h) |
| 1488 | { |
| 1489 | unsigned int x, y, curw, curh, d; |
| 1490 | |
| 1491 | x = vcs->clipping.left; |
| 1492 | y = vcs->clipping.top; |
| 1493 | curw = vcs->clipping.right - vcs->clipping.left; |
| 1494 | curh = vcs->clipping.bottom - vcs->clipping.top; |
| 1495 | |
| 1496 | d = max(curw / w, curh / h); |
| 1497 | |
| 1498 | dprintk("scaling w: %d, h: %d, curw: %d, curh: %d, d: %d\n", |
| 1499 | w, h, curw, curh, d); |
| 1500 | |
| 1501 | if (d < 1) { |
| 1502 | d = 1; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1503 | } else if (d > 8) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1504 | d = 8; |
| 1505 | } |
| 1506 | |
| 1507 | vcs->decimation = d; |
| 1508 | vino_set_clipping(vcs, x, y, w * d, h * d); |
| 1509 | |
| 1510 | dprintk("scaling %d, %d, %d, %d / %d - %d\n", vcs->clipping.left, |
| 1511 | vcs->clipping.top, vcs->clipping.right, vcs->clipping.bottom, |
| 1512 | vcs->decimation, vcs->line_size); |
| 1513 | } |
| 1514 | |
| 1515 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1516 | static inline void vino_set_default_scaling(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1517 | { |
| 1518 | vino_set_scaling(vcs, vcs->clipping.right - vcs->clipping.left, |
| 1519 | vcs->clipping.bottom - vcs->clipping.top); |
| 1520 | } |
| 1521 | |
| 1522 | /* execute with input_lock locked */ |
| 1523 | static void vino_set_framerate(struct vino_channel_settings *vcs, |
| 1524 | unsigned int fps) |
| 1525 | { |
| 1526 | unsigned int mask; |
| 1527 | |
| 1528 | switch (vcs->data_norm) { |
| 1529 | case VINO_DATA_NORM_NTSC: |
| 1530 | case VINO_DATA_NORM_D1: |
| 1531 | fps = (unsigned int)(fps / 6) * 6; // FIXME: round! |
| 1532 | |
| 1533 | if (fps < vino_data_norms[vcs->data_norm].fps_min) |
| 1534 | fps = vino_data_norms[vcs->data_norm].fps_min; |
| 1535 | if (fps > vino_data_norms[vcs->data_norm].fps_max) |
| 1536 | fps = vino_data_norms[vcs->data_norm].fps_max; |
| 1537 | |
| 1538 | switch (fps) { |
| 1539 | case 6: |
| 1540 | mask = 0x003; |
| 1541 | break; |
| 1542 | case 12: |
| 1543 | mask = 0x0c3; |
| 1544 | break; |
| 1545 | case 18: |
| 1546 | mask = 0x333; |
| 1547 | break; |
| 1548 | case 24: |
| 1549 | mask = 0x3ff; |
| 1550 | break; |
| 1551 | case 30: |
| 1552 | mask = 0xfff; |
| 1553 | break; |
| 1554 | default: |
| 1555 | mask = VINO_FRAMERT_FULL; |
| 1556 | } |
| 1557 | vcs->framert_reg = VINO_FRAMERT_RT(mask); |
| 1558 | break; |
| 1559 | case VINO_DATA_NORM_PAL: |
| 1560 | case VINO_DATA_NORM_SECAM: |
| 1561 | fps = (unsigned int)(fps / 5) * 5; // FIXME: round! |
| 1562 | |
| 1563 | if (fps < vino_data_norms[vcs->data_norm].fps_min) |
| 1564 | fps = vino_data_norms[vcs->data_norm].fps_min; |
| 1565 | if (fps > vino_data_norms[vcs->data_norm].fps_max) |
| 1566 | fps = vino_data_norms[vcs->data_norm].fps_max; |
| 1567 | |
| 1568 | switch (fps) { |
| 1569 | case 5: |
| 1570 | mask = 0x003; |
| 1571 | break; |
| 1572 | case 10: |
| 1573 | mask = 0x0c3; |
| 1574 | break; |
| 1575 | case 15: |
| 1576 | mask = 0x333; |
| 1577 | break; |
| 1578 | case 20: |
| 1579 | mask = 0x0ff; |
| 1580 | break; |
| 1581 | case 25: |
| 1582 | mask = 0x3ff; |
| 1583 | break; |
| 1584 | default: |
| 1585 | mask = VINO_FRAMERT_FULL; |
| 1586 | } |
| 1587 | vcs->framert_reg = VINO_FRAMERT_RT(mask) | VINO_FRAMERT_PAL; |
| 1588 | break; |
| 1589 | } |
| 1590 | |
| 1591 | vcs->fps = fps; |
| 1592 | } |
| 1593 | |
| 1594 | /* execute with input_lock locked */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1595 | static inline void vino_set_default_framerate(struct |
| 1596 | vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1597 | { |
| 1598 | vino_set_framerate(vcs, vino_data_norms[vcs->data_norm].fps_max); |
| 1599 | } |
| 1600 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame^] | 1601 | /* VINO I2C bus functions */ |
| 1602 | |
| 1603 | struct i2c_algo_sgi_data { |
| 1604 | void *data; /* private data for lowlevel routines */ |
| 1605 | unsigned (*getctrl)(void *data); |
| 1606 | void (*setctrl)(void *data, unsigned val); |
| 1607 | unsigned (*rdata)(void *data); |
| 1608 | void (*wdata)(void *data, unsigned val); |
| 1609 | |
| 1610 | int xfer_timeout; |
| 1611 | int ack_timeout; |
| 1612 | }; |
| 1613 | |
| 1614 | static int wait_xfer_done(struct i2c_algo_sgi_data *adap) |
| 1615 | { |
| 1616 | int i; |
| 1617 | |
| 1618 | for (i = 0; i < adap->xfer_timeout; i++) { |
| 1619 | if ((adap->getctrl(adap->data) & SGI_I2C_XFER_BUSY) == 0) |
| 1620 | return 0; |
| 1621 | udelay(1); |
| 1622 | } |
| 1623 | |
| 1624 | return -ETIMEDOUT; |
| 1625 | } |
| 1626 | |
| 1627 | static int wait_ack(struct i2c_algo_sgi_data *adap) |
| 1628 | { |
| 1629 | int i; |
| 1630 | |
| 1631 | if (wait_xfer_done(adap)) |
| 1632 | return -ETIMEDOUT; |
| 1633 | for (i = 0; i < adap->ack_timeout; i++) { |
| 1634 | if ((adap->getctrl(adap->data) & SGI_I2C_NACK) == 0) |
| 1635 | return 0; |
| 1636 | udelay(1); |
| 1637 | } |
| 1638 | |
| 1639 | return -ETIMEDOUT; |
| 1640 | } |
| 1641 | |
| 1642 | static int force_idle(struct i2c_algo_sgi_data *adap) |
| 1643 | { |
| 1644 | int i; |
| 1645 | |
| 1646 | adap->setctrl(adap->data, SGI_I2C_FORCE_IDLE); |
| 1647 | for (i = 0; i < adap->xfer_timeout; i++) { |
| 1648 | if ((adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) == 0) |
| 1649 | goto out; |
| 1650 | udelay(1); |
| 1651 | } |
| 1652 | return -ETIMEDOUT; |
| 1653 | out: |
| 1654 | if (adap->getctrl(adap->data) & SGI_I2C_BUS_ERR) |
| 1655 | return -EIO; |
| 1656 | return 0; |
| 1657 | } |
| 1658 | |
| 1659 | static int do_address(struct i2c_algo_sgi_data *adap, unsigned int addr, |
| 1660 | int rd) |
| 1661 | { |
| 1662 | if (rd) |
| 1663 | adap->setctrl(adap->data, SGI_I2C_NOT_IDLE); |
| 1664 | /* Check if bus is idle, eventually force it to do so */ |
| 1665 | if (adap->getctrl(adap->data) & SGI_I2C_NOT_IDLE) |
| 1666 | if (force_idle(adap)) |
| 1667 | return -EIO; |
| 1668 | /* Write out the i2c chip address and specify operation */ |
| 1669 | adap->setctrl(adap->data, |
| 1670 | SGI_I2C_HOLD_BUS | SGI_I2C_WRITE | SGI_I2C_NOT_IDLE); |
| 1671 | if (rd) |
| 1672 | addr |= 1; |
| 1673 | adap->wdata(adap->data, addr); |
| 1674 | if (wait_ack(adap)) |
| 1675 | return -EIO; |
| 1676 | return 0; |
| 1677 | } |
| 1678 | |
| 1679 | static int i2c_read(struct i2c_algo_sgi_data *adap, unsigned char *buf, |
| 1680 | unsigned int len) |
| 1681 | { |
| 1682 | int i; |
| 1683 | |
| 1684 | adap->setctrl(adap->data, |
| 1685 | SGI_I2C_HOLD_BUS | SGI_I2C_READ | SGI_I2C_NOT_IDLE); |
| 1686 | for (i = 0; i < len; i++) { |
| 1687 | if (wait_xfer_done(adap)) |
| 1688 | return -EIO; |
| 1689 | buf[i] = adap->rdata(adap->data); |
| 1690 | } |
| 1691 | adap->setctrl(adap->data, SGI_I2C_RELEASE_BUS | SGI_I2C_FORCE_IDLE); |
| 1692 | |
| 1693 | return 0; |
| 1694 | |
| 1695 | } |
| 1696 | |
| 1697 | static int i2c_write(struct i2c_algo_sgi_data *adap, unsigned char *buf, |
| 1698 | unsigned int len) |
| 1699 | { |
| 1700 | int i; |
| 1701 | |
| 1702 | /* We are already in write state */ |
| 1703 | for (i = 0; i < len; i++) { |
| 1704 | adap->wdata(adap->data, buf[i]); |
| 1705 | if (wait_ack(adap)) |
| 1706 | return -EIO; |
| 1707 | } |
| 1708 | return 0; |
| 1709 | } |
| 1710 | |
| 1711 | static int sgi_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg *msgs, |
| 1712 | int num) |
| 1713 | { |
| 1714 | struct i2c_algo_sgi_data *adap = i2c_adap->algo_data; |
| 1715 | struct i2c_msg *p; |
| 1716 | int i, err = 0; |
| 1717 | |
| 1718 | for (i = 0; !err && i < num; i++) { |
| 1719 | p = &msgs[i]; |
| 1720 | err = do_address(adap, p->addr, p->flags & I2C_M_RD); |
| 1721 | if (err || !p->len) |
| 1722 | continue; |
| 1723 | if (p->flags & I2C_M_RD) |
| 1724 | err = i2c_read(adap, p->buf, p->len); |
| 1725 | else |
| 1726 | err = i2c_write(adap, p->buf, p->len); |
| 1727 | } |
| 1728 | |
| 1729 | return (err < 0) ? err : i; |
| 1730 | } |
| 1731 | |
| 1732 | static u32 sgi_func(struct i2c_adapter *adap) |
| 1733 | { |
| 1734 | return I2C_FUNC_SMBUS_EMUL; |
| 1735 | } |
| 1736 | |
| 1737 | static const struct i2c_algorithm sgi_algo = { |
| 1738 | .master_xfer = sgi_xfer, |
| 1739 | .functionality = sgi_func, |
| 1740 | }; |
| 1741 | |
| 1742 | static unsigned i2c_vino_getctrl(void *data) |
| 1743 | { |
| 1744 | return vino->i2c_control; |
| 1745 | } |
| 1746 | |
| 1747 | static void i2c_vino_setctrl(void *data, unsigned val) |
| 1748 | { |
| 1749 | vino->i2c_control = val; |
| 1750 | } |
| 1751 | |
| 1752 | static unsigned i2c_vino_rdata(void *data) |
| 1753 | { |
| 1754 | return vino->i2c_data; |
| 1755 | } |
| 1756 | |
| 1757 | static void i2c_vino_wdata(void *data, unsigned val) |
| 1758 | { |
| 1759 | vino->i2c_data = val; |
| 1760 | } |
| 1761 | |
| 1762 | static struct i2c_algo_sgi_data i2c_sgi_vino_data = { |
| 1763 | .getctrl = &i2c_vino_getctrl, |
| 1764 | .setctrl = &i2c_vino_setctrl, |
| 1765 | .rdata = &i2c_vino_rdata, |
| 1766 | .wdata = &i2c_vino_wdata, |
| 1767 | .xfer_timeout = 200, |
| 1768 | .ack_timeout = 1000, |
| 1769 | }; |
| 1770 | |
| 1771 | static struct i2c_adapter vino_i2c_adapter = { |
| 1772 | .name = "VINO I2C bus", |
| 1773 | .id = I2C_HW_SGI_VINO, |
| 1774 | .algo = &sgi_algo, |
| 1775 | .algo_data = &i2c_sgi_vino_data, |
| 1776 | .owner = THIS_MODULE, |
| 1777 | }; |
| 1778 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1779 | /* |
| 1780 | * Prepare VINO for DMA transfer... |
| 1781 | * (execute only with vino_lock and input_lock locked) |
| 1782 | */ |
| 1783 | static int vino_dma_setup(struct vino_channel_settings *vcs, |
| 1784 | struct vino_framebuffer *fb) |
| 1785 | { |
| 1786 | u32 ctrl, intr; |
| 1787 | struct sgi_vino_channel *ch; |
| 1788 | const struct vino_data_norm *norm; |
| 1789 | |
| 1790 | dprintk("vino_dma_setup():\n"); |
| 1791 | |
| 1792 | vcs->field = 0; |
| 1793 | fb->frame_counter = 0; |
| 1794 | |
| 1795 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; |
| 1796 | norm = &vino_data_norms[vcs->data_norm]; |
| 1797 | |
| 1798 | ch->page_index = 0; |
| 1799 | ch->line_count = 0; |
| 1800 | |
| 1801 | /* VINO line size register is set 8 bytes less than actual */ |
| 1802 | ch->line_size = vcs->line_size - 8; |
| 1803 | |
| 1804 | /* let VINO know where to transfer data */ |
| 1805 | ch->start_desc_tbl = fb->desc_table.dma; |
| 1806 | ch->next_4_desc = fb->desc_table.dma; |
| 1807 | |
| 1808 | /* give vino time to fetch the first four descriptors, 5 usec |
| 1809 | * should be more than enough time */ |
| 1810 | udelay(VINO_DESC_FETCH_DELAY); |
| 1811 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1812 | dprintk("vino_dma_setup(): start desc = %08x, next 4 desc = %08x\n", |
| 1813 | ch->start_desc_tbl, ch->next_4_desc); |
| 1814 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1815 | /* set the alpha register */ |
| 1816 | ch->alpha = vcs->alpha; |
| 1817 | |
| 1818 | /* set clipping registers */ |
| 1819 | ch->clip_start = VINO_CLIP_ODD(norm->odd.top + vcs->clipping.top / 2) | |
| 1820 | VINO_CLIP_EVEN(norm->even.top + |
| 1821 | vcs->clipping.top / 2) | |
| 1822 | VINO_CLIP_X(vcs->clipping.left); |
| 1823 | ch->clip_end = VINO_CLIP_ODD(norm->odd.top + |
| 1824 | vcs->clipping.bottom / 2 - 1) | |
| 1825 | VINO_CLIP_EVEN(norm->even.top + |
| 1826 | vcs->clipping.bottom / 2 - 1) | |
| 1827 | VINO_CLIP_X(vcs->clipping.right); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1828 | |
| 1829 | /* set the size of actual content in the buffer (DECIMATION !) */ |
| 1830 | fb->data_size = ((vcs->clipping.right - vcs->clipping.left) / |
| 1831 | vcs->decimation) * |
| 1832 | ((vcs->clipping.bottom - vcs->clipping.top) / |
| 1833 | vcs->decimation) * |
| 1834 | vino_data_formats[vcs->data_format].bpp; |
| 1835 | |
| 1836 | ch->frame_rate = vcs->framert_reg; |
| 1837 | |
| 1838 | ctrl = vino->control; |
| 1839 | intr = vino->intr_status; |
| 1840 | |
| 1841 | if (vcs->channel == VINO_CHANNEL_A) { |
| 1842 | /* All interrupt conditions for this channel was cleared |
| 1843 | * so clear the interrupt status register and enable |
| 1844 | * interrupts */ |
| 1845 | intr &= ~VINO_INTSTAT_A; |
| 1846 | ctrl |= VINO_CTRL_A_INT; |
| 1847 | |
| 1848 | /* enable synchronization */ |
| 1849 | ctrl |= VINO_CTRL_A_SYNC_ENBL; |
| 1850 | |
| 1851 | /* enable frame assembly */ |
| 1852 | ctrl |= VINO_CTRL_A_INTERLEAVE_ENBL; |
| 1853 | |
| 1854 | /* set decimation used */ |
| 1855 | if (vcs->decimation < 2) |
| 1856 | ctrl &= ~VINO_CTRL_A_DEC_ENBL; |
| 1857 | else { |
| 1858 | ctrl |= VINO_CTRL_A_DEC_ENBL; |
| 1859 | ctrl &= ~VINO_CTRL_A_DEC_SCALE_MASK; |
| 1860 | ctrl |= (vcs->decimation - 1) << |
| 1861 | VINO_CTRL_A_DEC_SCALE_SHIFT; |
| 1862 | } |
| 1863 | |
| 1864 | /* select input interface */ |
| 1865 | if (vcs->input == VINO_INPUT_D1) |
| 1866 | ctrl |= VINO_CTRL_A_SELECT; |
| 1867 | else |
| 1868 | ctrl &= ~VINO_CTRL_A_SELECT; |
| 1869 | |
| 1870 | /* palette */ |
| 1871 | ctrl &= ~(VINO_CTRL_A_LUMA_ONLY | VINO_CTRL_A_RGB | |
| 1872 | VINO_CTRL_A_DITHER); |
| 1873 | } else { |
| 1874 | intr &= ~VINO_INTSTAT_B; |
| 1875 | ctrl |= VINO_CTRL_B_INT; |
| 1876 | |
| 1877 | ctrl |= VINO_CTRL_B_SYNC_ENBL; |
| 1878 | ctrl |= VINO_CTRL_B_INTERLEAVE_ENBL; |
| 1879 | |
| 1880 | if (vcs->decimation < 2) |
| 1881 | ctrl &= ~VINO_CTRL_B_DEC_ENBL; |
| 1882 | else { |
| 1883 | ctrl |= VINO_CTRL_B_DEC_ENBL; |
| 1884 | ctrl &= ~VINO_CTRL_B_DEC_SCALE_MASK; |
| 1885 | ctrl |= (vcs->decimation - 1) << |
| 1886 | VINO_CTRL_B_DEC_SCALE_SHIFT; |
| 1887 | |
| 1888 | } |
| 1889 | if (vcs->input == VINO_INPUT_D1) |
| 1890 | ctrl |= VINO_CTRL_B_SELECT; |
| 1891 | else |
| 1892 | ctrl &= ~VINO_CTRL_B_SELECT; |
| 1893 | |
| 1894 | ctrl &= ~(VINO_CTRL_B_LUMA_ONLY | VINO_CTRL_B_RGB | |
| 1895 | VINO_CTRL_B_DITHER); |
| 1896 | } |
| 1897 | |
| 1898 | /* set palette */ |
| 1899 | fb->data_format = vcs->data_format; |
| 1900 | |
| 1901 | switch (vcs->data_format) { |
| 1902 | case VINO_DATA_FMT_GREY: |
| 1903 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1904 | VINO_CTRL_A_LUMA_ONLY : VINO_CTRL_B_LUMA_ONLY; |
| 1905 | break; |
| 1906 | case VINO_DATA_FMT_RGB32: |
| 1907 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1908 | VINO_CTRL_A_RGB : VINO_CTRL_B_RGB; |
| 1909 | break; |
| 1910 | case VINO_DATA_FMT_YUV: |
| 1911 | /* nothing needs to be done */ |
| 1912 | break; |
| 1913 | case VINO_DATA_FMT_RGB332: |
| 1914 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1915 | VINO_CTRL_A_RGB | VINO_CTRL_A_DITHER : |
| 1916 | VINO_CTRL_B_RGB | VINO_CTRL_B_DITHER; |
| 1917 | break; |
| 1918 | } |
| 1919 | |
| 1920 | vino->intr_status = intr; |
| 1921 | vino->control = ctrl; |
| 1922 | |
| 1923 | return 0; |
| 1924 | } |
| 1925 | |
| 1926 | /* (execute only with vino_lock locked) */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1927 | static inline void vino_dma_start(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1928 | { |
| 1929 | u32 ctrl = vino->control; |
| 1930 | |
| 1931 | dprintk("vino_dma_start():\n"); |
| 1932 | ctrl |= (vcs->channel == VINO_CHANNEL_A) ? |
| 1933 | VINO_CTRL_A_DMA_ENBL : VINO_CTRL_B_DMA_ENBL; |
| 1934 | vino->control = ctrl; |
| 1935 | } |
| 1936 | |
| 1937 | /* (execute only with vino_lock locked) */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1938 | static inline void vino_dma_stop(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1939 | { |
| 1940 | u32 ctrl = vino->control; |
| 1941 | |
| 1942 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
| 1943 | ~VINO_CTRL_A_DMA_ENBL : ~VINO_CTRL_B_DMA_ENBL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 1944 | ctrl &= (vcs->channel == VINO_CHANNEL_A) ? |
| 1945 | ~VINO_CTRL_A_INT : ~VINO_CTRL_B_INT; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 1946 | vino->control = ctrl; |
| 1947 | dprintk("vino_dma_stop():\n"); |
| 1948 | } |
| 1949 | |
| 1950 | /* |
| 1951 | * Load dummy page to descriptor registers. This prevents generating of |
| 1952 | * spurious interrupts. (execute only with vino_lock locked) |
| 1953 | */ |
| 1954 | static void vino_clear_interrupt(struct vino_channel_settings *vcs) |
| 1955 | { |
| 1956 | struct sgi_vino_channel *ch; |
| 1957 | |
| 1958 | ch = (vcs->channel == VINO_CHANNEL_A) ? &vino->a : &vino->b; |
| 1959 | |
| 1960 | ch->page_index = 0; |
| 1961 | ch->line_count = 0; |
| 1962 | |
| 1963 | ch->start_desc_tbl = vino_drvdata->dummy_desc_table.dma; |
| 1964 | ch->next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 1965 | |
| 1966 | udelay(VINO_DESC_FETCH_DELAY); |
| 1967 | dprintk("channel %c clear interrupt condition\n", |
| 1968 | (vcs->channel == VINO_CHANNEL_A) ? 'A':'B'); |
| 1969 | } |
| 1970 | |
| 1971 | static int vino_capture(struct vino_channel_settings *vcs, |
| 1972 | struct vino_framebuffer *fb) |
| 1973 | { |
| 1974 | int err = 0; |
| 1975 | unsigned long flags, flags2; |
| 1976 | |
| 1977 | spin_lock_irqsave(&fb->state_lock, flags); |
| 1978 | |
| 1979 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) |
| 1980 | err = -EBUSY; |
| 1981 | fb->state = VINO_FRAMEBUFFER_IN_USE; |
| 1982 | |
| 1983 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 1984 | |
| 1985 | if (err) |
| 1986 | return err; |
| 1987 | |
| 1988 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 1989 | spin_lock_irqsave(&vino_drvdata->input_lock, flags2); |
| 1990 | |
| 1991 | vino_dma_setup(vcs, fb); |
| 1992 | vino_dma_start(vcs); |
| 1993 | |
| 1994 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags2); |
| 1995 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 1996 | |
| 1997 | return err; |
| 1998 | } |
| 1999 | |
| 2000 | static |
| 2001 | struct vino_framebuffer *vino_capture_enqueue(struct |
| 2002 | vino_channel_settings *vcs, |
| 2003 | unsigned int index) |
| 2004 | { |
| 2005 | struct vino_framebuffer *fb; |
| 2006 | unsigned long flags; |
| 2007 | |
| 2008 | dprintk("vino_capture_enqueue():\n"); |
| 2009 | |
| 2010 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2011 | |
| 2012 | fb = vino_queue_add(&vcs->fb_queue, index); |
| 2013 | if (fb == NULL) { |
| 2014 | dprintk("vino_capture_enqueue(): vino_queue_add() failed, " |
| 2015 | "queue full?\n"); |
| 2016 | goto out; |
| 2017 | } |
| 2018 | out: |
| 2019 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2020 | |
| 2021 | return fb; |
| 2022 | } |
| 2023 | |
| 2024 | static int vino_capture_next(struct vino_channel_settings *vcs, int start) |
| 2025 | { |
| 2026 | struct vino_framebuffer *fb; |
| 2027 | unsigned int incoming, id; |
| 2028 | int err = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2029 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2030 | |
| 2031 | dprintk("vino_capture_next():\n"); |
| 2032 | |
| 2033 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2034 | |
| 2035 | if (start) { |
| 2036 | /* start capture only if capture isn't in progress already */ |
| 2037 | if (vcs->capturing) { |
| 2038 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2039 | return 0; |
| 2040 | } |
| 2041 | |
| 2042 | } else { |
| 2043 | /* capture next frame: |
| 2044 | * stop capture if capturing is not set */ |
| 2045 | if (!vcs->capturing) { |
| 2046 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2047 | return 0; |
| 2048 | } |
| 2049 | } |
| 2050 | |
| 2051 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 2052 | if (err) { |
| 2053 | dprintk("vino_capture_next(): vino_queue_get_incoming() " |
| 2054 | "failed\n"); |
| 2055 | err = -EINVAL; |
| 2056 | goto out; |
| 2057 | } |
| 2058 | if (incoming == 0) { |
| 2059 | dprintk("vino_capture_next(): no buffers available\n"); |
| 2060 | goto out; |
| 2061 | } |
| 2062 | |
| 2063 | fb = vino_queue_peek(&vcs->fb_queue, &id); |
| 2064 | if (fb == NULL) { |
| 2065 | dprintk("vino_capture_next(): vino_queue_peek() failed\n"); |
| 2066 | err = -EINVAL; |
| 2067 | goto out; |
| 2068 | } |
| 2069 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2070 | if (start) { |
| 2071 | vcs->capturing = 1; |
| 2072 | } |
| 2073 | |
| 2074 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2075 | |
| 2076 | err = vino_capture(vcs, fb); |
| 2077 | |
| 2078 | return err; |
| 2079 | |
| 2080 | out: |
| 2081 | vcs->capturing = 0; |
| 2082 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2083 | |
| 2084 | return err; |
| 2085 | } |
| 2086 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2087 | static inline int vino_is_capturing(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2088 | { |
| 2089 | int ret; |
| 2090 | unsigned long flags; |
| 2091 | |
| 2092 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2093 | |
| 2094 | ret = vcs->capturing; |
| 2095 | |
| 2096 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2097 | |
| 2098 | return ret; |
| 2099 | } |
| 2100 | |
| 2101 | /* waits until a frame is captured */ |
| 2102 | static int vino_wait_for_frame(struct vino_channel_settings *vcs) |
| 2103 | { |
| 2104 | wait_queue_t wait; |
| 2105 | int err = 0; |
| 2106 | |
| 2107 | dprintk("vino_wait_for_frame():\n"); |
| 2108 | |
| 2109 | init_waitqueue_entry(&wait, current); |
| 2110 | /* add ourselves into wait queue */ |
| 2111 | add_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2112 | |
| 2113 | /* to ensure that schedule_timeout will return immediately |
Robert P. J. Day | f3a43d3 | 2007-07-16 10:46:42 -0300 | [diff] [blame] | 2114 | * if VINO interrupt was triggered meanwhile */ |
Mauro Carvalho Chehab | 818ca47 | 2007-07-17 16:29:07 -0300 | [diff] [blame] | 2115 | schedule_timeout_interruptible(msecs_to_jiffies(100)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2116 | |
| 2117 | if (signal_pending(current)) |
| 2118 | err = -EINTR; |
| 2119 | |
| 2120 | remove_wait_queue(&vcs->fb_queue.frame_wait_queue, &wait); |
| 2121 | |
| 2122 | dprintk("vino_wait_for_frame(): waiting for frame %s\n", |
| 2123 | err ? "failed" : "ok"); |
| 2124 | |
| 2125 | return err; |
| 2126 | } |
| 2127 | |
| 2128 | /* the function assumes that PAGE_SIZE % 4 == 0 */ |
| 2129 | static void vino_convert_to_rgba(struct vino_framebuffer *fb) { |
| 2130 | unsigned char *pageptr; |
| 2131 | unsigned int page, i; |
| 2132 | unsigned char a; |
| 2133 | |
| 2134 | for (page = 0; page < fb->desc_table.page_count; page++) { |
| 2135 | pageptr = (unsigned char *)fb->desc_table.virtual[page]; |
| 2136 | |
| 2137 | for (i = 0; i < PAGE_SIZE; i += 4) { |
| 2138 | a = pageptr[0]; |
| 2139 | pageptr[0] = pageptr[3]; |
| 2140 | pageptr[1] = pageptr[2]; |
| 2141 | pageptr[2] = pageptr[1]; |
| 2142 | pageptr[3] = a; |
| 2143 | pageptr += 4; |
| 2144 | } |
| 2145 | } |
| 2146 | } |
| 2147 | |
| 2148 | /* checks if the buffer is in correct state and syncs data */ |
| 2149 | static int vino_check_buffer(struct vino_channel_settings *vcs, |
| 2150 | struct vino_framebuffer *fb) |
| 2151 | { |
| 2152 | int err = 0; |
| 2153 | unsigned long flags; |
| 2154 | |
| 2155 | dprintk("vino_check_buffer():\n"); |
| 2156 | |
| 2157 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2158 | switch (fb->state) { |
| 2159 | case VINO_FRAMEBUFFER_IN_USE: |
| 2160 | err = -EIO; |
| 2161 | break; |
| 2162 | case VINO_FRAMEBUFFER_READY: |
| 2163 | vino_sync_buffer(fb); |
| 2164 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2165 | break; |
| 2166 | default: |
| 2167 | err = -EINVAL; |
| 2168 | } |
| 2169 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2170 | |
| 2171 | if (!err) { |
| 2172 | if (vino_pixel_conversion |
| 2173 | && (fb->data_format == VINO_DATA_FMT_RGB32)) { |
| 2174 | vino_convert_to_rgba(fb); |
| 2175 | } |
| 2176 | } else if (err && (err != -EINVAL)) { |
| 2177 | dprintk("vino_check_buffer(): buffer not ready\n"); |
| 2178 | |
| 2179 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 2180 | vino_dma_stop(vcs); |
| 2181 | vino_clear_interrupt(vcs); |
| 2182 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 2183 | } |
| 2184 | |
| 2185 | return err; |
| 2186 | } |
| 2187 | |
| 2188 | /* forcefully terminates capture */ |
| 2189 | static void vino_capture_stop(struct vino_channel_settings *vcs) |
| 2190 | { |
| 2191 | unsigned int incoming = 0, outgoing = 0, id; |
| 2192 | unsigned long flags, flags2; |
| 2193 | |
| 2194 | dprintk("vino_capture_stop():\n"); |
| 2195 | |
| 2196 | spin_lock_irqsave(&vcs->capture_lock, flags); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2197 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2198 | /* unset capturing to stop queue processing */ |
| 2199 | vcs->capturing = 0; |
| 2200 | |
| 2201 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags2); |
| 2202 | |
| 2203 | vino_dma_stop(vcs); |
| 2204 | vino_clear_interrupt(vcs); |
| 2205 | |
| 2206 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags2); |
| 2207 | |
| 2208 | /* remove all items from the queue */ |
| 2209 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { |
| 2210 | dprintk("vino_capture_stop(): " |
| 2211 | "vino_queue_get_incoming() failed\n"); |
| 2212 | goto out; |
| 2213 | } |
| 2214 | while (incoming > 0) { |
| 2215 | vino_queue_transfer(&vcs->fb_queue); |
| 2216 | |
| 2217 | if (vino_queue_get_incoming(&vcs->fb_queue, &incoming)) { |
| 2218 | dprintk("vino_capture_stop(): " |
| 2219 | "vino_queue_get_incoming() failed\n"); |
| 2220 | goto out; |
| 2221 | } |
| 2222 | } |
| 2223 | |
| 2224 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 2225 | dprintk("vino_capture_stop(): " |
| 2226 | "vino_queue_get_outgoing() failed\n"); |
| 2227 | goto out; |
| 2228 | } |
| 2229 | while (outgoing > 0) { |
| 2230 | vino_queue_remove(&vcs->fb_queue, &id); |
| 2231 | |
| 2232 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 2233 | dprintk("vino_capture_stop(): " |
| 2234 | "vino_queue_get_outgoing() failed\n"); |
| 2235 | goto out; |
| 2236 | } |
| 2237 | } |
| 2238 | |
| 2239 | out: |
| 2240 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2241 | } |
| 2242 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2243 | #if 0 |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2244 | static int vino_capture_failed(struct vino_channel_settings *vcs) |
| 2245 | { |
| 2246 | struct vino_framebuffer *fb; |
| 2247 | unsigned long flags; |
| 2248 | unsigned int i; |
| 2249 | int ret; |
| 2250 | |
| 2251 | dprintk("vino_capture_failed():\n"); |
| 2252 | |
| 2253 | spin_lock_irqsave(&vino_drvdata->vino_lock, flags); |
| 2254 | |
| 2255 | vino_dma_stop(vcs); |
| 2256 | vino_clear_interrupt(vcs); |
| 2257 | |
| 2258 | spin_unlock_irqrestore(&vino_drvdata->vino_lock, flags); |
| 2259 | |
| 2260 | ret = vino_queue_get_incoming(&vcs->fb_queue, &i); |
| 2261 | if (ret == VINO_QUEUE_ERROR) { |
| 2262 | dprintk("vino_queue_get_incoming() failed\n"); |
| 2263 | return -EINVAL; |
| 2264 | } |
| 2265 | if (i == 0) { |
| 2266 | /* no buffers to process */ |
| 2267 | return 0; |
| 2268 | } |
| 2269 | |
| 2270 | fb = vino_queue_peek(&vcs->fb_queue, &i); |
| 2271 | if (fb == NULL) { |
| 2272 | dprintk("vino_queue_peek() failed\n"); |
| 2273 | return -EINVAL; |
| 2274 | } |
| 2275 | |
| 2276 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2277 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) { |
| 2278 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2279 | vino_queue_transfer(&vcs->fb_queue); |
| 2280 | vino_queue_remove(&vcs->fb_queue, &i); |
| 2281 | /* we should actually discard the newest frame, |
| 2282 | * but who cares ... */ |
| 2283 | } |
| 2284 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2285 | |
| 2286 | return 0; |
| 2287 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2288 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2289 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2290 | static void vino_skip_frame(struct vino_channel_settings *vcs) |
| 2291 | { |
| 2292 | struct vino_framebuffer *fb; |
| 2293 | unsigned long flags; |
| 2294 | unsigned int id; |
| 2295 | |
| 2296 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2297 | fb = vino_queue_peek(&vcs->fb_queue, &id); |
| 2298 | if (!fb) { |
| 2299 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2300 | dprintk("vino_skip_frame(): vino_queue_peek() failed!\n"); |
| 2301 | return; |
| 2302 | } |
| 2303 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2304 | |
| 2305 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2306 | fb->state = VINO_FRAMEBUFFER_UNUSED; |
| 2307 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2308 | |
| 2309 | vino_capture_next(vcs, 0); |
| 2310 | } |
| 2311 | |
| 2312 | static void vino_frame_done(struct vino_channel_settings *vcs) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2313 | { |
| 2314 | struct vino_framebuffer *fb; |
| 2315 | unsigned long flags; |
| 2316 | |
| 2317 | spin_lock_irqsave(&vcs->capture_lock, flags); |
| 2318 | fb = vino_queue_transfer(&vcs->fb_queue); |
| 2319 | if (!fb) { |
| 2320 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2321 | dprintk("vino_frame_done(): vino_queue_transfer() failed!\n"); |
| 2322 | return; |
| 2323 | } |
| 2324 | spin_unlock_irqrestore(&vcs->capture_lock, flags); |
| 2325 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2326 | fb->frame_counter = vcs->int_data.frame_counter; |
| 2327 | memcpy(&fb->timestamp, &vcs->int_data.timestamp, |
| 2328 | sizeof(struct timeval)); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2329 | |
| 2330 | spin_lock_irqsave(&fb->state_lock, flags); |
| 2331 | if (fb->state == VINO_FRAMEBUFFER_IN_USE) |
| 2332 | fb->state = VINO_FRAMEBUFFER_READY; |
| 2333 | spin_unlock_irqrestore(&fb->state_lock, flags); |
| 2334 | |
| 2335 | wake_up(&vcs->fb_queue.frame_wait_queue); |
| 2336 | |
| 2337 | vino_capture_next(vcs, 0); |
| 2338 | } |
| 2339 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2340 | static void vino_capture_tasklet(unsigned long channel) { |
| 2341 | struct vino_channel_settings *vcs; |
| 2342 | |
| 2343 | vcs = (channel == VINO_CHANNEL_A) |
| 2344 | ? &vino_drvdata->a : &vino_drvdata->b; |
| 2345 | |
| 2346 | if (vcs->int_data.skip) |
| 2347 | vcs->int_data.skip_count++; |
| 2348 | |
| 2349 | if (vcs->int_data.skip && (vcs->int_data.skip_count |
| 2350 | <= VINO_MAX_FRAME_SKIP_COUNT)) { |
| 2351 | vino_skip_frame(vcs); |
| 2352 | } else { |
| 2353 | vcs->int_data.skip_count = 0; |
| 2354 | vino_frame_done(vcs); |
| 2355 | } |
| 2356 | } |
| 2357 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 2358 | static irqreturn_t vino_interrupt(int irq, void *dev_id) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2359 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2360 | u32 ctrl, intr; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2361 | unsigned int fc_a, fc_b; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2362 | int handled_a = 0, skip_a = 0, done_a = 0; |
| 2363 | int handled_b = 0, skip_b = 0, done_b = 0; |
| 2364 | |
| 2365 | #ifdef VINO_DEBUG_INT |
| 2366 | int loop = 0; |
| 2367 | unsigned int line_count = vino->a.line_count, |
| 2368 | page_index = vino->a.page_index, |
| 2369 | field_counter = vino->a.field_counter, |
| 2370 | start_desc_tbl = vino->a.start_desc_tbl, |
| 2371 | next_4_desc = vino->a.next_4_desc; |
| 2372 | unsigned int line_count_2, |
| 2373 | page_index_2, |
| 2374 | field_counter_2, |
| 2375 | start_desc_tbl_2, |
| 2376 | next_4_desc_2; |
| 2377 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2378 | |
| 2379 | spin_lock(&vino_drvdata->vino_lock); |
| 2380 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2381 | while ((intr = vino->intr_status)) { |
| 2382 | fc_a = vino->a.field_counter >> 1; |
| 2383 | fc_b = vino->b.field_counter >> 1; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2384 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2385 | /* handle error-interrupts in some special way ? |
| 2386 | * --> skips frames */ |
| 2387 | if (intr & VINO_INTSTAT_A) { |
| 2388 | if (intr & VINO_INTSTAT_A_EOF) { |
| 2389 | vino_drvdata->a.field++; |
| 2390 | if (vino_drvdata->a.field > 1) { |
| 2391 | vino_dma_stop(&vino_drvdata->a); |
| 2392 | vino_clear_interrupt(&vino_drvdata->a); |
| 2393 | vino_drvdata->a.field = 0; |
| 2394 | done_a = 1; |
| 2395 | } else { |
| 2396 | if (vino->a.page_index |
| 2397 | != vino_drvdata->a.line_size) { |
| 2398 | vino->a.line_count = 0; |
| 2399 | vino->a.page_index = |
| 2400 | vino_drvdata-> |
| 2401 | a.line_size; |
| 2402 | vino->a.next_4_desc = |
| 2403 | vino->a.start_desc_tbl; |
| 2404 | } |
| 2405 | } |
| 2406 | dprintk("channel A end-of-field " |
| 2407 | "interrupt: %04x\n", intr); |
| 2408 | } else { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2409 | vino_dma_stop(&vino_drvdata->a); |
| 2410 | vino_clear_interrupt(&vino_drvdata->a); |
| 2411 | vino_drvdata->a.field = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2412 | skip_a = 1; |
| 2413 | dprintk("channel A error interrupt: %04x\n", |
| 2414 | intr); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2415 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2416 | |
| 2417 | #ifdef VINO_DEBUG_INT |
| 2418 | line_count_2 = vino->a.line_count; |
| 2419 | page_index_2 = vino->a.page_index; |
| 2420 | field_counter_2 = vino->a.field_counter; |
| 2421 | start_desc_tbl_2 = vino->a.start_desc_tbl; |
| 2422 | next_4_desc_2 = vino->a.next_4_desc; |
| 2423 | |
| 2424 | printk("intr = %04x, loop = %d, field = %d\n", |
| 2425 | intr, loop, vino_drvdata->a.field); |
| 2426 | printk("1- line count = %04d, page index = %04d, " |
| 2427 | "start = %08x, next = %08x\n" |
| 2428 | " fieldc = %d, framec = %d\n", |
| 2429 | line_count, page_index, start_desc_tbl, |
| 2430 | next_4_desc, field_counter, fc_a); |
| 2431 | printk("12-line count = %04d, page index = %04d, " |
| 2432 | " start = %08x, next = %08x\n", |
| 2433 | line_count_2, page_index_2, start_desc_tbl_2, |
| 2434 | next_4_desc_2); |
| 2435 | |
| 2436 | if (done_a) |
| 2437 | printk("\n"); |
| 2438 | #endif |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2439 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2440 | |
| 2441 | if (intr & VINO_INTSTAT_B) { |
| 2442 | if (intr & VINO_INTSTAT_B_EOF) { |
| 2443 | vino_drvdata->b.field++; |
| 2444 | if (vino_drvdata->b.field > 1) { |
| 2445 | vino_dma_stop(&vino_drvdata->b); |
| 2446 | vino_clear_interrupt(&vino_drvdata->b); |
| 2447 | vino_drvdata->b.field = 0; |
| 2448 | done_b = 1; |
| 2449 | } |
| 2450 | dprintk("channel B end-of-field " |
| 2451 | "interrupt: %04x\n", intr); |
| 2452 | } else { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2453 | vino_dma_stop(&vino_drvdata->b); |
| 2454 | vino_clear_interrupt(&vino_drvdata->b); |
| 2455 | vino_drvdata->b.field = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2456 | skip_b = 1; |
| 2457 | dprintk("channel B error interrupt: %04x\n", |
| 2458 | intr); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2459 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2460 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2461 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2462 | /* Always remember to clear interrupt status. |
| 2463 | * Disable VINO interrupts while we do this. */ |
| 2464 | ctrl = vino->control; |
| 2465 | vino->control = ctrl & ~(VINO_CTRL_A_INT | VINO_CTRL_B_INT); |
| 2466 | vino->intr_status = ~intr; |
| 2467 | vino->control = ctrl; |
| 2468 | |
| 2469 | spin_unlock(&vino_drvdata->vino_lock); |
| 2470 | |
| 2471 | if ((!handled_a) && (done_a || skip_a)) { |
| 2472 | if (!skip_a) { |
| 2473 | do_gettimeofday(&vino_drvdata-> |
| 2474 | a.int_data.timestamp); |
| 2475 | vino_drvdata->a.int_data.frame_counter = fc_a; |
| 2476 | } |
| 2477 | vino_drvdata->a.int_data.skip = skip_a; |
| 2478 | |
| 2479 | dprintk("channel A %s, interrupt: %d\n", |
| 2480 | skip_a ? "skipping frame" : "frame done", |
| 2481 | intr); |
| 2482 | tasklet_hi_schedule(&vino_tasklet_a); |
| 2483 | handled_a = 1; |
| 2484 | } |
| 2485 | |
| 2486 | if ((!handled_b) && (done_b || skip_b)) { |
| 2487 | if (!skip_b) { |
| 2488 | do_gettimeofday(&vino_drvdata-> |
| 2489 | b.int_data.timestamp); |
| 2490 | vino_drvdata->b.int_data.frame_counter = fc_b; |
| 2491 | } |
| 2492 | vino_drvdata->b.int_data.skip = skip_b; |
| 2493 | |
| 2494 | dprintk("channel B %s, interrupt: %d\n", |
| 2495 | skip_b ? "skipping frame" : "frame done", |
| 2496 | intr); |
| 2497 | tasklet_hi_schedule(&vino_tasklet_b); |
| 2498 | handled_b = 1; |
| 2499 | } |
| 2500 | |
| 2501 | #ifdef VINO_DEBUG_INT |
| 2502 | loop++; |
| 2503 | #endif |
| 2504 | spin_lock(&vino_drvdata->vino_lock); |
| 2505 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2506 | |
| 2507 | spin_unlock(&vino_drvdata->vino_lock); |
| 2508 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2509 | return IRQ_HANDLED; |
| 2510 | } |
| 2511 | |
| 2512 | /* VINO video input management */ |
| 2513 | |
| 2514 | static int vino_get_saa7191_input(int input) |
| 2515 | { |
| 2516 | switch (input) { |
| 2517 | case VINO_INPUT_COMPOSITE: |
| 2518 | return SAA7191_INPUT_COMPOSITE; |
| 2519 | case VINO_INPUT_SVIDEO: |
| 2520 | return SAA7191_INPUT_SVIDEO; |
| 2521 | default: |
| 2522 | printk(KERN_ERR "VINO: vino_get_saa7191_input(): " |
| 2523 | "invalid input!\n"); |
| 2524 | return -1; |
| 2525 | } |
| 2526 | } |
| 2527 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2528 | /* execute with input_lock locked */ |
| 2529 | static int vino_is_input_owner(struct vino_channel_settings *vcs) |
| 2530 | { |
| 2531 | switch(vcs->input) { |
| 2532 | case VINO_INPUT_COMPOSITE: |
| 2533 | case VINO_INPUT_SVIDEO: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2534 | return vino_drvdata->decoder_owner == vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2535 | case VINO_INPUT_D1: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2536 | return vino_drvdata->camera_owner == vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2537 | default: |
| 2538 | return 0; |
| 2539 | } |
| 2540 | } |
| 2541 | |
| 2542 | static int vino_acquire_input(struct vino_channel_settings *vcs) |
| 2543 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2544 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2545 | int ret = 0; |
| 2546 | |
| 2547 | dprintk("vino_acquire_input():\n"); |
| 2548 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2549 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2550 | |
| 2551 | /* First try D1 and then SAA7191 */ |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2552 | if (vino_drvdata->camera |
| 2553 | && (vino_drvdata->camera_owner == VINO_NO_CHANNEL)) { |
| 2554 | vino_drvdata->camera_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2555 | vcs->input = VINO_INPUT_D1; |
| 2556 | vcs->data_norm = VINO_DATA_NORM_D1; |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2557 | } else if (vino_drvdata->decoder |
| 2558 | && (vino_drvdata->decoder_owner == VINO_NO_CHANNEL)) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2559 | int input; |
| 2560 | int data_norm; |
| 2561 | v4l2_std_id norm; |
| 2562 | struct v4l2_routing route = { 0, 0 }; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2563 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2564 | input = VINO_INPUT_COMPOSITE; |
| 2565 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2566 | route.input = vino_get_saa7191_input(input); |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2567 | ret = decoder_call(video, s_routing, &route); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2568 | if (ret) { |
| 2569 | ret = -EINVAL; |
| 2570 | goto out; |
| 2571 | } |
| 2572 | |
| 2573 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 2574 | |
| 2575 | /* Don't hold spinlocks while auto-detecting norm |
| 2576 | * as it may take a while... */ |
| 2577 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2578 | ret = decoder_call(video, querystd, &norm); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2579 | if (!ret) { |
| 2580 | for (data_norm = 0; data_norm < 3; data_norm++) { |
| 2581 | if (vino_data_norms[data_norm].std & norm) |
| 2582 | break; |
| 2583 | } |
| 2584 | if (data_norm == 3) |
| 2585 | data_norm = VINO_DATA_NORM_PAL; |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2586 | ret = decoder_call(tuner, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2587 | } |
| 2588 | |
| 2589 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 2590 | |
| 2591 | if (ret) { |
| 2592 | ret = -EINVAL; |
| 2593 | goto out; |
| 2594 | } |
| 2595 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2596 | vino_drvdata->decoder_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2597 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2598 | vcs->input = input; |
| 2599 | vcs->data_norm = data_norm; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2600 | } else { |
| 2601 | vcs->input = (vcs->channel == VINO_CHANNEL_A) ? |
| 2602 | vino_drvdata->b.input : vino_drvdata->a.input; |
| 2603 | vcs->data_norm = (vcs->channel == VINO_CHANNEL_A) ? |
| 2604 | vino_drvdata->b.data_norm : vino_drvdata->a.data_norm; |
| 2605 | } |
| 2606 | |
| 2607 | if (vcs->input == VINO_INPUT_NONE) { |
| 2608 | ret = -ENODEV; |
| 2609 | goto out; |
| 2610 | } |
| 2611 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2612 | vino_set_default_clipping(vcs); |
| 2613 | vino_set_default_scaling(vcs); |
| 2614 | vino_set_default_framerate(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2615 | |
| 2616 | dprintk("vino_acquire_input(): %s\n", vino_inputs[vcs->input].name); |
| 2617 | |
| 2618 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2619 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2620 | |
| 2621 | return ret; |
| 2622 | } |
| 2623 | |
| 2624 | static int vino_set_input(struct vino_channel_settings *vcs, int input) |
| 2625 | { |
| 2626 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? |
| 2627 | &vino_drvdata->b : &vino_drvdata->a; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2628 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2629 | int ret = 0; |
| 2630 | |
| 2631 | dprintk("vino_set_input():\n"); |
| 2632 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2633 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2634 | |
| 2635 | if (vcs->input == input) |
| 2636 | goto out; |
| 2637 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2638 | switch (input) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2639 | case VINO_INPUT_COMPOSITE: |
| 2640 | case VINO_INPUT_SVIDEO: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2641 | if (!vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2642 | ret = -EINVAL; |
| 2643 | goto out; |
| 2644 | } |
| 2645 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2646 | if (vino_drvdata->decoder_owner == VINO_NO_CHANNEL) { |
| 2647 | vino_drvdata->decoder_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2648 | } |
| 2649 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2650 | if (vino_drvdata->decoder_owner == vcs->channel) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2651 | int data_norm; |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2652 | v4l2_std_id norm; |
| 2653 | struct v4l2_routing route = { 0, 0 }; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2654 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2655 | route.input = vino_get_saa7191_input(input); |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2656 | ret = decoder_call(video, s_routing, &route); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2657 | if (ret) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2658 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2659 | ret = -EINVAL; |
| 2660 | goto out; |
| 2661 | } |
| 2662 | |
| 2663 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 2664 | |
| 2665 | /* Don't hold spinlocks while auto-detecting norm |
| 2666 | * as it may take a while... */ |
| 2667 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2668 | ret = decoder_call(video, querystd, &norm); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2669 | if (!ret) { |
| 2670 | for (data_norm = 0; data_norm < 3; data_norm++) { |
| 2671 | if (vino_data_norms[data_norm].std & norm) |
| 2672 | break; |
| 2673 | } |
| 2674 | if (data_norm == 3) |
| 2675 | data_norm = VINO_DATA_NORM_PAL; |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2676 | ret = decoder_call(tuner, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2677 | } |
| 2678 | |
| 2679 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 2680 | |
| 2681 | if (ret) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2682 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2683 | ret = -EINVAL; |
| 2684 | goto out; |
| 2685 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2686 | |
| 2687 | vcs->input = input; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2688 | vcs->data_norm = data_norm; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2689 | } else { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2690 | if (input != vcs2->input) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2691 | ret = -EBUSY; |
| 2692 | goto out; |
| 2693 | } |
| 2694 | |
| 2695 | vcs->input = input; |
| 2696 | vcs->data_norm = vcs2->data_norm; |
| 2697 | } |
| 2698 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2699 | if (vino_drvdata->camera_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2700 | /* Transfer the ownership or release the input */ |
| 2701 | if (vcs2->input == VINO_INPUT_D1) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2702 | vino_drvdata->camera_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2703 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2704 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2705 | } |
| 2706 | } |
| 2707 | break; |
| 2708 | case VINO_INPUT_D1: |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2709 | if (!vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2710 | ret = -EINVAL; |
| 2711 | goto out; |
| 2712 | } |
| 2713 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2714 | if (vino_drvdata->camera_owner == VINO_NO_CHANNEL) |
| 2715 | vino_drvdata->camera_owner = vcs->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2716 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2717 | if (vino_drvdata->decoder_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2718 | /* Transfer the ownership or release the input */ |
| 2719 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
| 2720 | (vcs2->input == VINO_INPUT_SVIDEO)) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2721 | vino_drvdata->decoder_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2722 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2723 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2724 | } |
| 2725 | } |
| 2726 | |
| 2727 | vcs->input = input; |
| 2728 | vcs->data_norm = VINO_DATA_NORM_D1; |
| 2729 | break; |
| 2730 | default: |
| 2731 | ret = -EINVAL; |
| 2732 | goto out; |
| 2733 | } |
| 2734 | |
| 2735 | vino_set_default_clipping(vcs); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2736 | vino_set_default_scaling(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2737 | vino_set_default_framerate(vcs); |
| 2738 | |
| 2739 | dprintk("vino_set_input(): %s\n", vino_inputs[vcs->input].name); |
| 2740 | |
| 2741 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2742 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2743 | |
| 2744 | return ret; |
| 2745 | } |
| 2746 | |
| 2747 | static void vino_release_input(struct vino_channel_settings *vcs) |
| 2748 | { |
| 2749 | struct vino_channel_settings *vcs2 = (vcs->channel == VINO_CHANNEL_A) ? |
| 2750 | &vino_drvdata->b : &vino_drvdata->a; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2751 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2752 | |
| 2753 | dprintk("vino_release_input():\n"); |
| 2754 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2755 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2756 | |
| 2757 | /* Release ownership of the channel |
| 2758 | * and if the other channel takes input from |
| 2759 | * the same source, transfer the ownership */ |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2760 | if (vino_drvdata->camera_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2761 | if (vcs2->input == VINO_INPUT_D1) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2762 | vino_drvdata->camera_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2763 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2764 | vino_drvdata->camera_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2765 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2766 | } else if (vino_drvdata->decoder_owner == vcs->channel) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2767 | if ((vcs2->input == VINO_INPUT_COMPOSITE) || |
| 2768 | (vcs2->input == VINO_INPUT_SVIDEO)) { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2769 | vino_drvdata->decoder_owner = vcs2->channel; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2770 | } else { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2771 | vino_drvdata->decoder_owner = VINO_NO_CHANNEL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2772 | } |
| 2773 | } |
| 2774 | vcs->input = VINO_INPUT_NONE; |
| 2775 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2776 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2777 | } |
| 2778 | |
| 2779 | /* execute with input_lock locked */ |
| 2780 | static int vino_set_data_norm(struct vino_channel_settings *vcs, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2781 | unsigned int data_norm, |
| 2782 | unsigned long *flags) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2783 | { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2784 | int err = 0; |
| 2785 | |
| 2786 | if (data_norm == vcs->data_norm) |
| 2787 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2788 | |
| 2789 | switch (vcs->input) { |
| 2790 | case VINO_INPUT_D1: |
| 2791 | /* only one "norm" supported */ |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2792 | if (data_norm != VINO_DATA_NORM_D1) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2793 | return -EINVAL; |
| 2794 | break; |
| 2795 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2796 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2797 | v4l2_std_id norm; |
| 2798 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2799 | if ((data_norm != VINO_DATA_NORM_PAL) |
| 2800 | && (data_norm != VINO_DATA_NORM_NTSC) |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2801 | && (data_norm != VINO_DATA_NORM_SECAM)) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2802 | return -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2803 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2804 | spin_unlock_irqrestore(&vino_drvdata->input_lock, *flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2805 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2806 | /* Don't hold spinlocks while setting norm |
| 2807 | * as it may take a while... */ |
| 2808 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2809 | norm = vino_data_norms[data_norm].std; |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2810 | err = decoder_call(tuner, s_std, norm); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2811 | |
| 2812 | spin_lock_irqsave(&vino_drvdata->input_lock, *flags); |
| 2813 | |
| 2814 | if (err) |
| 2815 | goto out; |
| 2816 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2817 | vcs->data_norm = data_norm; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2818 | |
| 2819 | vino_set_default_clipping(vcs); |
| 2820 | vino_set_default_scaling(vcs); |
| 2821 | vino_set_default_framerate(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2822 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2823 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2824 | default: |
| 2825 | return -EINVAL; |
| 2826 | } |
| 2827 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2828 | out: |
| 2829 | return err; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2830 | } |
| 2831 | |
| 2832 | /* V4L2 helper functions */ |
| 2833 | |
| 2834 | static int vino_find_data_format(__u32 pixelformat) |
| 2835 | { |
| 2836 | int i; |
| 2837 | |
| 2838 | for (i = 0; i < VINO_DATA_FMT_COUNT; i++) { |
| 2839 | if (vino_data_formats[i].pixelformat == pixelformat) |
| 2840 | return i; |
| 2841 | } |
| 2842 | |
| 2843 | return VINO_DATA_FMT_NONE; |
| 2844 | } |
| 2845 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2846 | 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] | 2847 | { |
| 2848 | int input = VINO_INPUT_NONE; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2849 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2850 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2851 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2852 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2853 | switch (index) { |
| 2854 | case 0: |
| 2855 | input = VINO_INPUT_COMPOSITE; |
| 2856 | break; |
| 2857 | case 1: |
| 2858 | input = VINO_INPUT_SVIDEO; |
| 2859 | break; |
| 2860 | case 2: |
| 2861 | input = VINO_INPUT_D1; |
| 2862 | break; |
| 2863 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2864 | } else if (vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2865 | switch (index) { |
| 2866 | case 0: |
| 2867 | input = VINO_INPUT_COMPOSITE; |
| 2868 | break; |
| 2869 | case 1: |
| 2870 | input = VINO_INPUT_SVIDEO; |
| 2871 | break; |
| 2872 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2873 | } else if (vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2874 | switch (index) { |
| 2875 | case 0: |
| 2876 | input = VINO_INPUT_D1; |
| 2877 | break; |
| 2878 | } |
| 2879 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2880 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2881 | |
| 2882 | return input; |
| 2883 | } |
| 2884 | |
| 2885 | /* execute with input_lock locked */ |
| 2886 | static __u32 vino_find_input_index(struct vino_channel_settings *vcs) |
| 2887 | { |
| 2888 | __u32 index = 0; |
| 2889 | // FIXME: detect when no inputs available |
| 2890 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2891 | if (vino_drvdata->decoder && vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2892 | switch (vcs->input) { |
| 2893 | case VINO_INPUT_COMPOSITE: |
| 2894 | index = 0; |
| 2895 | break; |
| 2896 | case VINO_INPUT_SVIDEO: |
| 2897 | index = 1; |
| 2898 | break; |
| 2899 | case VINO_INPUT_D1: |
| 2900 | index = 2; |
| 2901 | break; |
| 2902 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2903 | } else if (vino_drvdata->decoder) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2904 | switch (vcs->input) { |
| 2905 | case VINO_INPUT_COMPOSITE: |
| 2906 | index = 0; |
| 2907 | break; |
| 2908 | case VINO_INPUT_SVIDEO: |
| 2909 | index = 1; |
| 2910 | break; |
| 2911 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2912 | } else if (vino_drvdata->camera) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2913 | switch (vcs->input) { |
| 2914 | case VINO_INPUT_D1: |
| 2915 | index = 0; |
| 2916 | break; |
| 2917 | } |
| 2918 | } |
| 2919 | |
| 2920 | return index; |
| 2921 | } |
| 2922 | |
| 2923 | /* V4L2 ioctls */ |
| 2924 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2925 | static int vino_querycap(struct file *file, void *__fh, |
| 2926 | struct v4l2_capability *cap) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2927 | { |
| 2928 | memset(cap, 0, sizeof(struct v4l2_capability)); |
| 2929 | |
| 2930 | strcpy(cap->driver, vino_driver_name); |
| 2931 | strcpy(cap->card, vino_driver_description); |
| 2932 | strcpy(cap->bus_info, vino_bus_name); |
| 2933 | cap->version = VINO_VERSION_CODE; |
| 2934 | cap->capabilities = |
| 2935 | V4L2_CAP_VIDEO_CAPTURE | |
| 2936 | V4L2_CAP_STREAMING; |
| 2937 | // V4L2_CAP_OVERLAY, V4L2_CAP_READWRITE |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2938 | return 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2939 | } |
| 2940 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2941 | static int vino_enum_input(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2942 | struct v4l2_input *i) |
| 2943 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2944 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2945 | __u32 index = i->index; |
| 2946 | int input; |
| 2947 | dprintk("requested index = %d\n", index); |
| 2948 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2949 | input = vino_int_enum_input(vcs, index); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2950 | if (input == VINO_INPUT_NONE) |
| 2951 | return -EINVAL; |
| 2952 | |
| 2953 | memset(i, 0, sizeof(struct v4l2_input)); |
| 2954 | |
| 2955 | i->index = index; |
| 2956 | i->type = V4L2_INPUT_TYPE_CAMERA; |
| 2957 | i->std = vino_inputs[input].std; |
| 2958 | strcpy(i->name, vino_inputs[input].name); |
| 2959 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 2960 | if (input == VINO_INPUT_COMPOSITE || input == VINO_INPUT_SVIDEO) |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 2961 | decoder_call(video, g_input_status, &i->status); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2962 | return 0; |
| 2963 | } |
| 2964 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2965 | static int vino_g_input(struct file *file, void *__fh, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2966 | unsigned int *i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2967 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2968 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2969 | __u32 index; |
| 2970 | int input; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2971 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2972 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2973 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2974 | input = vcs->input; |
| 2975 | index = vino_find_input_index(vcs); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2976 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2977 | |
| 2978 | dprintk("input = %d\n", input); |
| 2979 | |
| 2980 | if (input == VINO_INPUT_NONE) { |
| 2981 | return -EINVAL; |
| 2982 | } |
| 2983 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 2984 | *i = index; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2985 | |
| 2986 | return 0; |
| 2987 | } |
| 2988 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2989 | static int vino_s_input(struct file *file, void *__fh, |
| 2990 | unsigned int i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2991 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2992 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2993 | int input; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 2994 | dprintk("requested input = %d\n", 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 | input = vino_int_enum_input(vcs, i); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 2997 | if (input == VINO_INPUT_NONE) |
| 2998 | return -EINVAL; |
| 2999 | |
| 3000 | return vino_set_input(vcs, input); |
| 3001 | } |
| 3002 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3003 | static int vino_querystd(struct file *file, void *__fh, |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3004 | v4l2_std_id *std) |
| 3005 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3006 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3007 | unsigned long flags; |
| 3008 | int err = 0; |
| 3009 | |
| 3010 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3011 | |
| 3012 | switch (vcs->input) { |
| 3013 | case VINO_INPUT_D1: |
| 3014 | *std = vino_inputs[vcs->input].std; |
| 3015 | break; |
| 3016 | case VINO_INPUT_COMPOSITE: |
| 3017 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3018 | decoder_call(video, querystd, std); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3019 | break; |
| 3020 | } |
| 3021 | default: |
| 3022 | err = -EINVAL; |
| 3023 | } |
| 3024 | |
| 3025 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 3026 | |
| 3027 | return err; |
| 3028 | } |
| 3029 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3030 | static int vino_g_std(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3031 | v4l2_std_id *std) |
| 3032 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3033 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3034 | unsigned long flags; |
| 3035 | |
| 3036 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3037 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3038 | *std = vino_data_norms[vcs->data_norm].std; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3039 | dprintk("current standard = %d\n", vcs->data_norm); |
| 3040 | |
| 3041 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3042 | |
| 3043 | return 0; |
| 3044 | } |
| 3045 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3046 | static int vino_s_std(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3047 | v4l2_std_id *std) |
| 3048 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3049 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3050 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3051 | int ret = 0; |
| 3052 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3053 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3054 | |
| 3055 | if (!vino_is_input_owner(vcs)) { |
| 3056 | ret = -EBUSY; |
| 3057 | goto out; |
| 3058 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3059 | |
| 3060 | /* check if the standard is valid for the current input */ |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3061 | if ((*std) & vino_inputs[vcs->input].std) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3062 | dprintk("standard accepted\n"); |
| 3063 | |
| 3064 | /* change the video norm for SAA7191 |
| 3065 | * and accept NTSC for D1 (do nothing) */ |
| 3066 | |
| 3067 | if (vcs->input == VINO_INPUT_D1) |
| 3068 | goto out; |
| 3069 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3070 | if ((*std) & V4L2_STD_PAL) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3071 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_PAL, |
| 3072 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3073 | } else if ((*std) & V4L2_STD_NTSC) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3074 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_NTSC, |
| 3075 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3076 | } else if ((*std) & V4L2_STD_SECAM) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3077 | ret = vino_set_data_norm(vcs, VINO_DATA_NORM_SECAM, |
| 3078 | &flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3079 | } else { |
| 3080 | ret = -EINVAL; |
| 3081 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3082 | |
| 3083 | if (ret) { |
| 3084 | ret = -EINVAL; |
| 3085 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3086 | } else { |
| 3087 | ret = -EINVAL; |
| 3088 | } |
| 3089 | |
| 3090 | out: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3091 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3092 | |
| 3093 | return ret; |
| 3094 | } |
| 3095 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3096 | static int vino_enum_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3097 | struct v4l2_fmtdesc *fd) |
| 3098 | { |
| 3099 | enum v4l2_buf_type type = fd->type; |
| 3100 | int index = fd->index; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3101 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3102 | dprintk("format index = %d\n", index); |
| 3103 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3104 | if ((fd->index < 0) || |
| 3105 | (fd->index >= VINO_DATA_FMT_COUNT)) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3106 | return -EINVAL; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3107 | dprintk("format name = %s\n", |
| 3108 | vino_data_formats[index].description); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3109 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3110 | memset(fd, 0, sizeof(struct v4l2_fmtdesc)); |
| 3111 | fd->index = index; |
| 3112 | fd->type = type; |
| 3113 | fd->pixelformat = vino_data_formats[index].pixelformat; |
| 3114 | strcpy(fd->description, vino_data_formats[index].description); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3115 | return 0; |
| 3116 | } |
| 3117 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3118 | static int vino_try_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3119 | struct v4l2_format *f) |
| 3120 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3121 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3122 | struct vino_channel_settings tempvcs; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3123 | unsigned long flags; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3124 | struct v4l2_pix_format *pf = &f->fmt.pix; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3125 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3126 | dprintk("requested: w = %d, h = %d\n", |
| 3127 | pf->width, pf->height); |
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 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3130 | memcpy(&tempvcs, vcs, sizeof(struct vino_channel_settings)); |
| 3131 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3132 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3133 | tempvcs.data_format = vino_find_data_format(pf->pixelformat); |
| 3134 | if (tempvcs.data_format == VINO_DATA_FMT_NONE) { |
| 3135 | tempvcs.data_format = VINO_DATA_FMT_GREY; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3136 | pf->pixelformat = |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3137 | vino_data_formats[tempvcs.data_format]. |
| 3138 | pixelformat; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3139 | } |
| 3140 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3141 | /* data format must be set before clipping/scaling */ |
| 3142 | vino_set_scaling(&tempvcs, pf->width, pf->height); |
| 3143 | |
| 3144 | dprintk("data format = %s\n", |
| 3145 | vino_data_formats[tempvcs.data_format].description); |
| 3146 | |
| 3147 | pf->width = (tempvcs.clipping.right - tempvcs.clipping.left) / |
| 3148 | tempvcs.decimation; |
| 3149 | pf->height = (tempvcs.clipping.bottom - tempvcs.clipping.top) / |
| 3150 | tempvcs.decimation; |
| 3151 | |
| 3152 | pf->field = V4L2_FIELD_INTERLACED; |
| 3153 | pf->bytesperline = tempvcs.line_size; |
| 3154 | pf->sizeimage = tempvcs.line_size * |
| 3155 | (tempvcs.clipping.bottom - tempvcs.clipping.top) / |
| 3156 | tempvcs.decimation; |
| 3157 | pf->colorspace = |
| 3158 | vino_data_formats[tempvcs.data_format].colorspace; |
| 3159 | |
| 3160 | pf->priv = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3161 | return 0; |
| 3162 | } |
| 3163 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3164 | static int vino_g_fmt_vid_cap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3165 | struct v4l2_format *f) |
| 3166 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3167 | struct vino_channel_settings *vcs = video_drvdata(file); |
| 3168 | unsigned long flags; |
| 3169 | struct v4l2_pix_format *pf = &f->fmt.pix; |
| 3170 | |
| 3171 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3172 | |
| 3173 | pf->width = (vcs->clipping.right - vcs->clipping.left) / |
| 3174 | vcs->decimation; |
| 3175 | pf->height = (vcs->clipping.bottom - vcs->clipping.top) / |
| 3176 | vcs->decimation; |
| 3177 | pf->pixelformat = |
| 3178 | vino_data_formats[vcs->data_format].pixelformat; |
| 3179 | |
| 3180 | pf->field = V4L2_FIELD_INTERLACED; |
| 3181 | pf->bytesperline = vcs->line_size; |
| 3182 | pf->sizeimage = vcs->line_size * |
| 3183 | (vcs->clipping.bottom - vcs->clipping.top) / |
| 3184 | vcs->decimation; |
| 3185 | pf->colorspace = |
| 3186 | vino_data_formats[vcs->data_format].colorspace; |
| 3187 | |
| 3188 | pf->priv = 0; |
| 3189 | |
| 3190 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
| 3191 | return 0; |
| 3192 | } |
| 3193 | |
| 3194 | static int vino_s_fmt_vid_cap(struct file *file, void *__fh, |
| 3195 | struct v4l2_format *f) |
| 3196 | { |
| 3197 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3198 | int data_format; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3199 | unsigned long flags; |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3200 | struct v4l2_pix_format *pf = &f->fmt.pix; |
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 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3203 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3204 | data_format = vino_find_data_format(pf->pixelformat); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3205 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3206 | if (data_format == VINO_DATA_FMT_NONE) { |
| 3207 | vcs->data_format = VINO_DATA_FMT_GREY; |
| 3208 | pf->pixelformat = |
| 3209 | vino_data_formats[vcs->data_format]. |
| 3210 | pixelformat; |
| 3211 | } else { |
| 3212 | vcs->data_format = data_format; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3213 | } |
| 3214 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3215 | /* data format must be set before clipping/scaling */ |
| 3216 | vino_set_scaling(vcs, pf->width, pf->height); |
| 3217 | |
| 3218 | dprintk("data format = %s\n", |
| 3219 | vino_data_formats[vcs->data_format].description); |
| 3220 | |
| 3221 | pf->width = vcs->clipping.right - vcs->clipping.left; |
| 3222 | pf->height = vcs->clipping.bottom - vcs->clipping.top; |
| 3223 | |
| 3224 | pf->field = V4L2_FIELD_INTERLACED; |
| 3225 | pf->bytesperline = vcs->line_size; |
| 3226 | pf->sizeimage = vcs->line_size * |
| 3227 | (vcs->clipping.bottom - vcs->clipping.top) / |
| 3228 | vcs->decimation; |
| 3229 | pf->colorspace = |
| 3230 | vino_data_formats[vcs->data_format].colorspace; |
| 3231 | |
| 3232 | pf->priv = 0; |
| 3233 | |
| 3234 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3235 | return 0; |
| 3236 | } |
| 3237 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3238 | static int vino_cropcap(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3239 | struct v4l2_cropcap *ccap) |
| 3240 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3241 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3242 | const struct vino_data_norm *norm; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3243 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3244 | |
| 3245 | switch (ccap->type) { |
| 3246 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3247 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3248 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3249 | norm = &vino_data_norms[vcs->data_norm]; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3250 | |
| 3251 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3252 | |
| 3253 | ccap->bounds.left = 0; |
| 3254 | ccap->bounds.top = 0; |
| 3255 | ccap->bounds.width = norm->width; |
| 3256 | ccap->bounds.height = norm->height; |
| 3257 | memcpy(&ccap->defrect, &ccap->bounds, |
| 3258 | sizeof(struct v4l2_rect)); |
| 3259 | |
| 3260 | ccap->pixelaspect.numerator = 1; |
| 3261 | ccap->pixelaspect.denominator = 1; |
| 3262 | break; |
| 3263 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3264 | default: |
| 3265 | return -EINVAL; |
| 3266 | } |
| 3267 | |
| 3268 | return 0; |
| 3269 | } |
| 3270 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3271 | static int vino_g_crop(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3272 | struct v4l2_crop *c) |
| 3273 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3274 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3275 | unsigned long flags; |
| 3276 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3277 | switch (c->type) { |
| 3278 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3279 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3280 | |
| 3281 | c->c.left = vcs->clipping.left; |
| 3282 | c->c.top = vcs->clipping.top; |
| 3283 | c->c.width = vcs->clipping.right - vcs->clipping.left; |
| 3284 | c->c.height = vcs->clipping.bottom - vcs->clipping.top; |
| 3285 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3286 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3287 | break; |
| 3288 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3289 | default: |
| 3290 | return -EINVAL; |
| 3291 | } |
| 3292 | |
| 3293 | return 0; |
| 3294 | } |
| 3295 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3296 | static int vino_s_crop(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3297 | struct v4l2_crop *c) |
| 3298 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3299 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3300 | unsigned long flags; |
| 3301 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3302 | switch (c->type) { |
| 3303 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3304 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3305 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3306 | vino_set_clipping(vcs, c->c.left, c->c.top, |
| 3307 | c->c.width, c->c.height); |
| 3308 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3309 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3310 | break; |
| 3311 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3312 | default: |
| 3313 | return -EINVAL; |
| 3314 | } |
| 3315 | |
| 3316 | return 0; |
| 3317 | } |
| 3318 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3319 | static int vino_g_parm(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3320 | struct v4l2_streamparm *sp) |
| 3321 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3322 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3323 | unsigned long flags; |
| 3324 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3325 | switch (sp->type) { |
| 3326 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3327 | struct v4l2_captureparm *cp = &sp->parm.capture; |
| 3328 | memset(cp, 0, sizeof(struct v4l2_captureparm)); |
| 3329 | |
| 3330 | cp->capability = V4L2_CAP_TIMEPERFRAME; |
| 3331 | cp->timeperframe.numerator = 1; |
| 3332 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3333 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3334 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3335 | cp->timeperframe.denominator = vcs->fps; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3336 | |
| 3337 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3338 | |
| 3339 | // TODO: cp->readbuffers = xxx; |
| 3340 | break; |
| 3341 | } |
| 3342 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3343 | default: |
| 3344 | return -EINVAL; |
| 3345 | } |
| 3346 | |
| 3347 | return 0; |
| 3348 | } |
| 3349 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3350 | static int vino_s_parm(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3351 | struct v4l2_streamparm *sp) |
| 3352 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3353 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3354 | unsigned long flags; |
| 3355 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3356 | switch (sp->type) { |
| 3357 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3358 | struct v4l2_captureparm *cp = &sp->parm.capture; |
| 3359 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3360 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3361 | |
| 3362 | if ((cp->timeperframe.numerator == 0) || |
| 3363 | (cp->timeperframe.denominator == 0)) { |
| 3364 | /* reset framerate */ |
| 3365 | vino_set_default_framerate(vcs); |
| 3366 | } else { |
| 3367 | vino_set_framerate(vcs, cp->timeperframe.denominator / |
| 3368 | cp->timeperframe.numerator); |
| 3369 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3370 | |
| 3371 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3372 | |
| 3373 | // TODO: set buffers according to cp->readbuffers |
| 3374 | break; |
| 3375 | } |
| 3376 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3377 | default: |
| 3378 | return -EINVAL; |
| 3379 | } |
| 3380 | |
| 3381 | return 0; |
| 3382 | } |
| 3383 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3384 | static int vino_reqbufs(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3385 | struct v4l2_requestbuffers *rb) |
| 3386 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3387 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3388 | if (vcs->reading) |
| 3389 | return -EBUSY; |
| 3390 | |
| 3391 | switch (rb->type) { |
| 3392 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3393 | // TODO: check queue type |
| 3394 | if (rb->memory != V4L2_MEMORY_MMAP) { |
| 3395 | dprintk("type not mmap\n"); |
| 3396 | return -EINVAL; |
| 3397 | } |
| 3398 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3399 | dprintk("count = %d\n", rb->count); |
| 3400 | if (rb->count > 0) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3401 | if (vino_is_capturing(vcs)) { |
| 3402 | dprintk("busy, capturing\n"); |
| 3403 | return -EBUSY; |
| 3404 | } |
| 3405 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3406 | if (vino_queue_has_mapped_buffers(&vcs->fb_queue)) { |
| 3407 | dprintk("busy, buffers still mapped\n"); |
| 3408 | return -EBUSY; |
| 3409 | } else { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3410 | vcs->streaming = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3411 | vino_queue_free(&vcs->fb_queue); |
| 3412 | vino_queue_init(&vcs->fb_queue, &rb->count); |
| 3413 | } |
| 3414 | } else { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3415 | vcs->streaming = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3416 | vino_capture_stop(vcs); |
| 3417 | vino_queue_free(&vcs->fb_queue); |
| 3418 | } |
| 3419 | break; |
| 3420 | } |
| 3421 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3422 | default: |
| 3423 | return -EINVAL; |
| 3424 | } |
| 3425 | |
| 3426 | return 0; |
| 3427 | } |
| 3428 | |
| 3429 | static void vino_v4l2_get_buffer_status(struct vino_channel_settings *vcs, |
| 3430 | struct vino_framebuffer *fb, |
| 3431 | struct v4l2_buffer *b) |
| 3432 | { |
| 3433 | if (vino_queue_outgoing_contains(&vcs->fb_queue, |
| 3434 | fb->id)) { |
| 3435 | b->flags &= ~V4L2_BUF_FLAG_QUEUED; |
| 3436 | b->flags |= V4L2_BUF_FLAG_DONE; |
| 3437 | } else if (vino_queue_incoming_contains(&vcs->fb_queue, |
| 3438 | fb->id)) { |
| 3439 | b->flags &= ~V4L2_BUF_FLAG_DONE; |
| 3440 | b->flags |= V4L2_BUF_FLAG_QUEUED; |
| 3441 | } else { |
| 3442 | b->flags &= ~(V4L2_BUF_FLAG_DONE | |
| 3443 | V4L2_BUF_FLAG_QUEUED); |
| 3444 | } |
| 3445 | |
| 3446 | b->flags &= ~(V4L2_BUF_FLAG_TIMECODE); |
| 3447 | |
| 3448 | if (fb->map_count > 0) |
| 3449 | b->flags |= V4L2_BUF_FLAG_MAPPED; |
| 3450 | |
| 3451 | b->index = fb->id; |
| 3452 | b->memory = (vcs->fb_queue.type == VINO_MEMORY_MMAP) ? |
| 3453 | V4L2_MEMORY_MMAP : V4L2_MEMORY_USERPTR; |
| 3454 | b->m.offset = fb->offset; |
| 3455 | b->bytesused = fb->data_size; |
| 3456 | b->length = fb->size; |
| 3457 | b->field = V4L2_FIELD_INTERLACED; |
| 3458 | b->sequence = fb->frame_counter; |
| 3459 | memcpy(&b->timestamp, &fb->timestamp, |
| 3460 | sizeof(struct timeval)); |
| 3461 | // b->input ? |
| 3462 | |
| 3463 | dprintk("buffer %d: length = %d, bytesused = %d, offset = %d\n", |
| 3464 | fb->id, fb->size, fb->data_size, fb->offset); |
| 3465 | } |
| 3466 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3467 | static int vino_querybuf(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3468 | struct v4l2_buffer *b) |
| 3469 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3470 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3471 | if (vcs->reading) |
| 3472 | return -EBUSY; |
| 3473 | |
| 3474 | switch (b->type) { |
| 3475 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3476 | struct vino_framebuffer *fb; |
| 3477 | |
| 3478 | // TODO: check queue type |
| 3479 | if (b->index >= vino_queue_get_length(&vcs->fb_queue)) { |
| 3480 | dprintk("invalid index = %d\n", |
| 3481 | b->index); |
| 3482 | return -EINVAL; |
| 3483 | } |
| 3484 | |
| 3485 | fb = vino_queue_get_buffer(&vcs->fb_queue, |
| 3486 | b->index); |
| 3487 | if (fb == NULL) { |
| 3488 | dprintk("vino_queue_get_buffer() failed"); |
| 3489 | return -EINVAL; |
| 3490 | } |
| 3491 | |
| 3492 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3493 | break; |
| 3494 | } |
| 3495 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3496 | default: |
| 3497 | return -EINVAL; |
| 3498 | } |
| 3499 | |
| 3500 | return 0; |
| 3501 | } |
| 3502 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3503 | static int vino_qbuf(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3504 | struct v4l2_buffer *b) |
| 3505 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3506 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3507 | if (vcs->reading) |
| 3508 | return -EBUSY; |
| 3509 | |
| 3510 | switch (b->type) { |
| 3511 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3512 | struct vino_framebuffer *fb; |
| 3513 | int ret; |
| 3514 | |
| 3515 | // TODO: check queue type |
| 3516 | if (b->memory != V4L2_MEMORY_MMAP) { |
| 3517 | dprintk("type not mmap\n"); |
| 3518 | return -EINVAL; |
| 3519 | } |
| 3520 | |
| 3521 | fb = vino_capture_enqueue(vcs, b->index); |
| 3522 | if (fb == NULL) |
| 3523 | return -EINVAL; |
| 3524 | |
| 3525 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3526 | |
| 3527 | if (vcs->streaming) { |
| 3528 | ret = vino_capture_next(vcs, 1); |
| 3529 | if (ret) |
| 3530 | return ret; |
| 3531 | } |
| 3532 | break; |
| 3533 | } |
| 3534 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3535 | default: |
| 3536 | return -EINVAL; |
| 3537 | } |
| 3538 | |
| 3539 | return 0; |
| 3540 | } |
| 3541 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3542 | static int vino_dqbuf(struct file *file, void *__fh, |
| 3543 | struct v4l2_buffer *b) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3544 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3545 | struct vino_channel_settings *vcs = video_drvdata(file); |
| 3546 | unsigned int nonblocking = file->f_flags & O_NONBLOCK; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3547 | if (vcs->reading) |
| 3548 | return -EBUSY; |
| 3549 | |
| 3550 | switch (b->type) { |
| 3551 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: { |
| 3552 | struct vino_framebuffer *fb; |
| 3553 | unsigned int incoming, outgoing; |
| 3554 | int err; |
| 3555 | |
| 3556 | // TODO: check queue type |
| 3557 | |
| 3558 | err = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 3559 | if (err) { |
| 3560 | dprintk("vino_queue_get_incoming() failed\n"); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3561 | return -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3562 | } |
| 3563 | err = vino_queue_get_outgoing(&vcs->fb_queue, &outgoing); |
| 3564 | if (err) { |
| 3565 | dprintk("vino_queue_get_outgoing() failed\n"); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3566 | return -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3567 | } |
| 3568 | |
| 3569 | dprintk("incoming = %d, outgoing = %d\n", incoming, outgoing); |
| 3570 | |
| 3571 | if (outgoing == 0) { |
| 3572 | if (incoming == 0) { |
| 3573 | dprintk("no incoming or outgoing buffers\n"); |
| 3574 | return -EINVAL; |
| 3575 | } |
| 3576 | if (nonblocking) { |
| 3577 | dprintk("non-blocking I/O was selected and " |
| 3578 | "there are no buffers to dequeue\n"); |
| 3579 | return -EAGAIN; |
| 3580 | } |
| 3581 | |
| 3582 | err = vino_wait_for_frame(vcs); |
| 3583 | if (err) { |
| 3584 | err = vino_wait_for_frame(vcs); |
| 3585 | if (err) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3586 | /* interrupted or |
| 3587 | * no frames captured because |
| 3588 | * of frame skipping */ |
| 3589 | // vino_capture_failed(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3590 | return -EIO; |
| 3591 | } |
| 3592 | } |
| 3593 | } |
| 3594 | |
| 3595 | fb = vino_queue_remove(&vcs->fb_queue, &b->index); |
| 3596 | if (fb == NULL) { |
| 3597 | dprintk("vino_queue_remove() failed\n"); |
| 3598 | return -EINVAL; |
| 3599 | } |
| 3600 | |
| 3601 | err = vino_check_buffer(vcs, fb); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3602 | |
| 3603 | vino_v4l2_get_buffer_status(vcs, fb, b); |
| 3604 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3605 | if (err) |
| 3606 | return -EIO; |
| 3607 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3608 | break; |
| 3609 | } |
| 3610 | case V4L2_BUF_TYPE_VIDEO_OVERLAY: |
| 3611 | default: |
| 3612 | return -EINVAL; |
| 3613 | } |
| 3614 | |
| 3615 | return 0; |
| 3616 | } |
| 3617 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3618 | static int vino_streamon(struct file *file, void *__fh, |
| 3619 | enum v4l2_buf_type i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3620 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3621 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3622 | unsigned int incoming; |
| 3623 | int ret; |
| 3624 | if (vcs->reading) |
| 3625 | return -EBUSY; |
| 3626 | |
| 3627 | if (vcs->streaming) |
| 3628 | return 0; |
| 3629 | |
| 3630 | // TODO: check queue type |
| 3631 | |
| 3632 | if (vino_queue_get_length(&vcs->fb_queue) < 1) { |
| 3633 | dprintk("no buffers allocated\n"); |
| 3634 | return -EINVAL; |
| 3635 | } |
| 3636 | |
| 3637 | ret = vino_queue_get_incoming(&vcs->fb_queue, &incoming); |
| 3638 | if (ret) { |
| 3639 | dprintk("vino_queue_get_incoming() failed\n"); |
| 3640 | return -EINVAL; |
| 3641 | } |
| 3642 | |
| 3643 | vcs->streaming = 1; |
| 3644 | |
| 3645 | if (incoming > 0) { |
| 3646 | ret = vino_capture_next(vcs, 1); |
| 3647 | if (ret) { |
| 3648 | vcs->streaming = 0; |
| 3649 | |
| 3650 | dprintk("couldn't start capture\n"); |
| 3651 | return -EINVAL; |
| 3652 | } |
| 3653 | } |
| 3654 | |
| 3655 | return 0; |
| 3656 | } |
| 3657 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3658 | static int vino_streamoff(struct file *file, void *__fh, |
| 3659 | enum v4l2_buf_type i) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3660 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3661 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3662 | if (vcs->reading) |
| 3663 | return -EBUSY; |
| 3664 | |
| 3665 | if (!vcs->streaming) |
| 3666 | return 0; |
| 3667 | |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3668 | vcs->streaming = 0; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3669 | vino_capture_stop(vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3670 | |
| 3671 | return 0; |
| 3672 | } |
| 3673 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3674 | static int vino_queryctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3675 | struct v4l2_queryctrl *queryctrl) |
| 3676 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3677 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3678 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3679 | int i; |
| 3680 | int err = 0; |
| 3681 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3682 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3683 | |
| 3684 | switch (vcs->input) { |
| 3685 | case VINO_INPUT_D1: |
| 3686 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
| 3687 | if (vino_indycam_v4l2_controls[i].id == |
| 3688 | queryctrl->id) { |
| 3689 | memcpy(queryctrl, |
| 3690 | &vino_indycam_v4l2_controls[i], |
| 3691 | sizeof(struct v4l2_queryctrl)); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3692 | queryctrl->reserved[0] = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3693 | goto found; |
| 3694 | } |
| 3695 | } |
| 3696 | |
| 3697 | err = -EINVAL; |
| 3698 | break; |
| 3699 | case VINO_INPUT_COMPOSITE: |
| 3700 | case VINO_INPUT_SVIDEO: |
| 3701 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
| 3702 | if (vino_saa7191_v4l2_controls[i].id == |
| 3703 | queryctrl->id) { |
| 3704 | memcpy(queryctrl, |
| 3705 | &vino_saa7191_v4l2_controls[i], |
| 3706 | sizeof(struct v4l2_queryctrl)); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3707 | queryctrl->reserved[0] = 0; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3708 | goto found; |
| 3709 | } |
| 3710 | } |
| 3711 | |
| 3712 | err = -EINVAL; |
| 3713 | break; |
| 3714 | default: |
| 3715 | err = -EINVAL; |
| 3716 | } |
| 3717 | |
| 3718 | found: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3719 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3720 | |
| 3721 | return err; |
| 3722 | } |
| 3723 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3724 | static int vino_g_ctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3725 | struct v4l2_control *control) |
| 3726 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3727 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3728 | unsigned long flags; |
| 3729 | int i; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3730 | int err = 0; |
| 3731 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3732 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3733 | |
| 3734 | switch (vcs->input) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3735 | case VINO_INPUT_D1: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3736 | err = -EINVAL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3737 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3738 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
| 3739 | err = 0; |
| 3740 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3741 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3742 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3743 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3744 | if (err) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3745 | goto out; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3746 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3747 | err = camera_call(core, g_ctrl, control); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3748 | if (err) |
| 3749 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3750 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3751 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3752 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3753 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3754 | err = -EINVAL; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3755 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3756 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
| 3757 | err = 0; |
| 3758 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3759 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3760 | } |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3761 | |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3762 | if (err) |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3763 | goto out; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3764 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3765 | err = decoder_call(core, g_ctrl, control); |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3766 | if (err) |
| 3767 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3768 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3769 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3770 | default: |
| 3771 | err = -EINVAL; |
| 3772 | } |
| 3773 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3774 | out: |
| 3775 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3776 | |
| 3777 | return err; |
| 3778 | } |
| 3779 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3780 | static int vino_s_ctrl(struct file *file, void *__fh, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3781 | struct v4l2_control *control) |
| 3782 | { |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 3783 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3784 | unsigned long flags; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3785 | int i; |
| 3786 | int err = 0; |
| 3787 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3788 | spin_lock_irqsave(&vino_drvdata->input_lock, flags); |
| 3789 | |
| 3790 | if (!vino_is_input_owner(vcs)) { |
| 3791 | err = -EBUSY; |
| 3792 | goto out; |
| 3793 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3794 | |
| 3795 | switch (vcs->input) { |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3796 | case VINO_INPUT_D1: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3797 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3798 | for (i = 0; i < VINO_INDYCAM_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3799 | if (vino_indycam_v4l2_controls[i].id == control->id) { |
| 3800 | err = 0; |
| 3801 | break; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3802 | } |
| 3803 | } |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3804 | if (err) |
| 3805 | goto out; |
| 3806 | if (control->value < vino_indycam_v4l2_controls[i].minimum || |
| 3807 | control->value > vino_indycam_v4l2_controls[i].maximum) { |
| 3808 | err = -ERANGE; |
| 3809 | goto out; |
| 3810 | } |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3811 | err = camera_call(core, s_ctrl, control); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3812 | if (err) |
| 3813 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3814 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3815 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3816 | case VINO_INPUT_COMPOSITE: |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3817 | case VINO_INPUT_SVIDEO: { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3818 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3819 | for (i = 0; i < VINO_SAA7191_V4L2_CONTROL_COUNT; i++) { |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3820 | if (vino_saa7191_v4l2_controls[i].id == control->id) { |
| 3821 | err = 0; |
| 3822 | break; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3823 | } |
| 3824 | } |
Hans Verkuil | cf4e948 | 2009-02-27 09:05:10 -0300 | [diff] [blame] | 3825 | if (err) |
| 3826 | goto out; |
| 3827 | if (control->value < vino_saa7191_v4l2_controls[i].minimum || |
| 3828 | control->value > vino_saa7191_v4l2_controls[i].maximum) { |
| 3829 | err = -ERANGE; |
| 3830 | goto out; |
| 3831 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3832 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 3833 | err = decoder_call(core, s_ctrl, control); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3834 | if (err) |
| 3835 | err = -EINVAL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3836 | break; |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3837 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3838 | default: |
| 3839 | err = -EINVAL; |
| 3840 | } |
| 3841 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 3842 | out: |
| 3843 | spin_unlock_irqrestore(&vino_drvdata->input_lock, flags); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3844 | |
| 3845 | return err; |
| 3846 | } |
| 3847 | |
| 3848 | /* File operations */ |
| 3849 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 3850 | static int vino_open(struct file *file) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3851 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3852 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3853 | int ret = 0; |
| 3854 | dprintk("open(): channel = %c\n", |
| 3855 | (vcs->channel == VINO_CHANNEL_A) ? 'A' : 'B'); |
| 3856 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3857 | mutex_lock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3858 | |
| 3859 | if (vcs->users) { |
| 3860 | dprintk("open(): driver busy\n"); |
| 3861 | ret = -EBUSY; |
| 3862 | goto out; |
| 3863 | } |
| 3864 | |
| 3865 | ret = vino_acquire_input(vcs); |
| 3866 | if (ret) { |
| 3867 | dprintk("open(): vino_acquire_input() failed\n"); |
| 3868 | goto out; |
| 3869 | } |
| 3870 | |
| 3871 | vcs->users++; |
| 3872 | |
| 3873 | out: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3874 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3875 | |
| 3876 | dprintk("open(): %s!\n", ret ? "failed" : "complete"); |
| 3877 | |
| 3878 | return ret; |
| 3879 | } |
| 3880 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 3881 | static int vino_close(struct file *file) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3882 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3883 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3884 | dprintk("close():\n"); |
| 3885 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3886 | mutex_lock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3887 | |
| 3888 | vcs->users--; |
| 3889 | |
| 3890 | if (!vcs->users) { |
| 3891 | vino_release_input(vcs); |
| 3892 | |
| 3893 | /* stop DMA and free buffers */ |
| 3894 | vino_capture_stop(vcs); |
| 3895 | vino_queue_free(&vcs->fb_queue); |
| 3896 | } |
| 3897 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3898 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3899 | |
| 3900 | return 0; |
| 3901 | } |
| 3902 | |
| 3903 | static void vino_vm_open(struct vm_area_struct *vma) |
| 3904 | { |
| 3905 | struct vino_framebuffer *fb = vma->vm_private_data; |
| 3906 | |
| 3907 | fb->map_count++; |
| 3908 | dprintk("vino_vm_open(): count = %d\n", fb->map_count); |
| 3909 | } |
| 3910 | |
| 3911 | static void vino_vm_close(struct vm_area_struct *vma) |
| 3912 | { |
| 3913 | struct vino_framebuffer *fb = vma->vm_private_data; |
| 3914 | |
| 3915 | fb->map_count--; |
| 3916 | dprintk("vino_vm_close(): count = %d\n", fb->map_count); |
| 3917 | } |
| 3918 | |
| 3919 | static struct vm_operations_struct vino_vm_ops = { |
| 3920 | .open = vino_vm_open, |
| 3921 | .close = vino_vm_close, |
| 3922 | }; |
| 3923 | |
| 3924 | static int vino_mmap(struct file *file, struct vm_area_struct *vma) |
| 3925 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 3926 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3927 | |
| 3928 | unsigned long start = vma->vm_start; |
| 3929 | unsigned long size = vma->vm_end - vma->vm_start; |
| 3930 | unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; |
| 3931 | |
| 3932 | struct vino_framebuffer *fb = NULL; |
| 3933 | unsigned int i, length; |
| 3934 | int ret = 0; |
| 3935 | |
| 3936 | dprintk("mmap():\n"); |
| 3937 | |
| 3938 | // TODO: reject mmap if already mapped |
| 3939 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 3940 | if (mutex_lock_interruptible(&vcs->mutex)) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 3941 | return -EINTR; |
| 3942 | |
| 3943 | if (vcs->reading) { |
| 3944 | ret = -EBUSY; |
| 3945 | goto out; |
| 3946 | } |
| 3947 | |
| 3948 | // TODO: check queue type |
| 3949 | |
| 3950 | if (!(vma->vm_flags & VM_WRITE)) { |
| 3951 | dprintk("mmap(): app bug: PROT_WRITE please\n"); |
| 3952 | ret = -EINVAL; |
| 3953 | goto out; |
| 3954 | } |
| 3955 | if (!(vma->vm_flags & VM_SHARED)) { |
| 3956 | dprintk("mmap(): app bug: MAP_SHARED please\n"); |
| 3957 | ret = -EINVAL; |
| 3958 | goto out; |
| 3959 | } |
| 3960 | |
| 3961 | /* find the correct buffer using offset */ |
| 3962 | length = vino_queue_get_length(&vcs->fb_queue); |
| 3963 | if (length == 0) { |
| 3964 | dprintk("mmap(): queue not initialized\n"); |
| 3965 | ret = -EINVAL; |
| 3966 | goto out; |
| 3967 | } |
| 3968 | |
| 3969 | for (i = 0; i < length; i++) { |
| 3970 | fb = vino_queue_get_buffer(&vcs->fb_queue, i); |
| 3971 | if (fb == NULL) { |
| 3972 | dprintk("mmap(): vino_queue_get_buffer() failed\n"); |
| 3973 | ret = -EINVAL; |
| 3974 | goto out; |
| 3975 | } |
| 3976 | |
| 3977 | if (fb->offset == offset) |
| 3978 | goto found; |
| 3979 | } |
| 3980 | |
| 3981 | dprintk("mmap(): invalid offset = %lu\n", offset); |
| 3982 | ret = -EINVAL; |
| 3983 | goto out; |
| 3984 | |
| 3985 | found: |
| 3986 | dprintk("mmap(): buffer = %d\n", i); |
| 3987 | |
| 3988 | if (size > (fb->desc_table.page_count * PAGE_SIZE)) { |
| 3989 | dprintk("mmap(): failed: size = %lu > %lu\n", |
| 3990 | size, fb->desc_table.page_count * PAGE_SIZE); |
| 3991 | ret = -EINVAL; |
| 3992 | goto out; |
| 3993 | } |
| 3994 | |
| 3995 | for (i = 0; i < fb->desc_table.page_count; i++) { |
| 3996 | unsigned long pfn = |
| 3997 | virt_to_phys((void *)fb->desc_table.virtual[i]) >> |
| 3998 | PAGE_SHIFT; |
| 3999 | |
| 4000 | if (size < PAGE_SIZE) |
| 4001 | break; |
| 4002 | |
| 4003 | // protection was: PAGE_READONLY |
| 4004 | if (remap_pfn_range(vma, start, pfn, PAGE_SIZE, |
| 4005 | vma->vm_page_prot)) { |
| 4006 | dprintk("mmap(): remap_pfn_range() failed\n"); |
| 4007 | ret = -EAGAIN; |
| 4008 | goto out; |
| 4009 | } |
| 4010 | |
| 4011 | start += PAGE_SIZE; |
| 4012 | size -= PAGE_SIZE; |
| 4013 | } |
| 4014 | |
| 4015 | fb->map_count = 1; |
| 4016 | |
| 4017 | vma->vm_flags |= VM_DONTEXPAND | VM_RESERVED; |
| 4018 | vma->vm_flags &= ~VM_IO; |
| 4019 | vma->vm_private_data = fb; |
| 4020 | vma->vm_file = file; |
| 4021 | vma->vm_ops = &vino_vm_ops; |
| 4022 | |
| 4023 | out: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4024 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4025 | |
| 4026 | return ret; |
| 4027 | } |
| 4028 | |
| 4029 | static unsigned int vino_poll(struct file *file, poll_table *pt) |
| 4030 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 4031 | struct vino_channel_settings *vcs = video_drvdata(file); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4032 | unsigned int outgoing; |
| 4033 | unsigned int ret = 0; |
| 4034 | |
| 4035 | // lock mutex (?) |
| 4036 | // TODO: this has to be corrected for different read modes |
| 4037 | |
| 4038 | dprintk("poll():\n"); |
| 4039 | |
| 4040 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 4041 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); |
| 4042 | ret = POLLERR; |
| 4043 | goto error; |
| 4044 | } |
| 4045 | if (outgoing > 0) |
| 4046 | goto over; |
| 4047 | |
| 4048 | poll_wait(file, &vcs->fb_queue.frame_wait_queue, pt); |
| 4049 | |
| 4050 | if (vino_queue_get_outgoing(&vcs->fb_queue, &outgoing)) { |
| 4051 | dprintk("poll(): vino_queue_get_outgoing() failed\n"); |
| 4052 | ret = POLLERR; |
| 4053 | goto error; |
| 4054 | } |
| 4055 | |
| 4056 | over: |
| 4057 | dprintk("poll(): data %savailable\n", |
| 4058 | (outgoing > 0) ? "" : "not "); |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 4059 | |
| 4060 | if (outgoing > 0) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4061 | ret = POLLIN | POLLRDNORM; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4062 | |
| 4063 | error: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4064 | return ret; |
| 4065 | } |
| 4066 | |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 4067 | static long vino_ioctl(struct file *file, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4068 | unsigned int cmd, unsigned long arg) |
| 4069 | { |
Hans Verkuil | c170ecf | 2008-08-23 08:32:09 -0300 | [diff] [blame] | 4070 | struct vino_channel_settings *vcs = video_drvdata(file); |
Hans Verkuil | 069b747 | 2008-12-30 07:04:34 -0300 | [diff] [blame] | 4071 | long ret; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4072 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4073 | if (mutex_lock_interruptible(&vcs->mutex)) |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4074 | return -EINTR; |
| 4075 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4076 | ret = video_ioctl2(file, cmd, arg); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4077 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4078 | mutex_unlock(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4079 | |
| 4080 | return ret; |
| 4081 | } |
| 4082 | |
| 4083 | /* Initialization and cleanup */ |
| 4084 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 4085 | /* __initdata */ |
| 4086 | static int vino_init_stage; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4087 | |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4088 | const struct v4l2_ioctl_ops vino_ioctl_ops = { |
| 4089 | .vidioc_enum_fmt_vid_cap = vino_enum_fmt_vid_cap, |
| 4090 | .vidioc_g_fmt_vid_cap = vino_g_fmt_vid_cap, |
| 4091 | .vidioc_s_fmt_vid_cap = vino_s_fmt_vid_cap, |
| 4092 | .vidioc_try_fmt_vid_cap = vino_try_fmt_vid_cap, |
| 4093 | .vidioc_querycap = vino_querycap, |
| 4094 | .vidioc_enum_input = vino_enum_input, |
| 4095 | .vidioc_g_input = vino_g_input, |
| 4096 | .vidioc_s_input = vino_s_input, |
| 4097 | .vidioc_g_std = vino_g_std, |
| 4098 | .vidioc_s_std = vino_s_std, |
| 4099 | .vidioc_querystd = vino_querystd, |
| 4100 | .vidioc_cropcap = vino_cropcap, |
| 4101 | .vidioc_s_crop = vino_s_crop, |
| 4102 | .vidioc_g_crop = vino_g_crop, |
| 4103 | .vidioc_s_parm = vino_s_parm, |
| 4104 | .vidioc_g_parm = vino_g_parm, |
| 4105 | .vidioc_reqbufs = vino_reqbufs, |
| 4106 | .vidioc_querybuf = vino_querybuf, |
| 4107 | .vidioc_qbuf = vino_qbuf, |
| 4108 | .vidioc_dqbuf = vino_dqbuf, |
| 4109 | .vidioc_streamon = vino_streamon, |
| 4110 | .vidioc_streamoff = vino_streamoff, |
| 4111 | .vidioc_queryctrl = vino_queryctrl, |
| 4112 | .vidioc_g_ctrl = vino_g_ctrl, |
| 4113 | .vidioc_s_ctrl = vino_s_ctrl, |
| 4114 | }; |
| 4115 | |
Hans Verkuil | bec4366 | 2008-12-30 06:58:20 -0300 | [diff] [blame] | 4116 | static const struct v4l2_file_operations vino_fops = { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4117 | .owner = THIS_MODULE, |
| 4118 | .open = vino_open, |
| 4119 | .release = vino_close, |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4120 | .unlocked_ioctl = vino_ioctl, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4121 | .mmap = vino_mmap, |
| 4122 | .poll = vino_poll, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4123 | }; |
| 4124 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4125 | static struct video_device vdev_template = { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4126 | .name = "NOT SET", |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4127 | .fops = &vino_fops, |
Hans Verkuil | c49cb36 | 2009-02-12 10:32:50 -0300 | [diff] [blame] | 4128 | .ioctl_ops = &vino_ioctl_ops, |
| 4129 | .tvnorms = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4130 | .minor = -1, |
| 4131 | }; |
| 4132 | |
| 4133 | static void vino_module_cleanup(int stage) |
| 4134 | { |
| 4135 | switch(stage) { |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4136 | case 11: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4137 | video_unregister_device(vino_drvdata->b.vdev); |
| 4138 | vino_drvdata->b.vdev = NULL; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4139 | case 10: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4140 | video_unregister_device(vino_drvdata->a.vdev); |
| 4141 | vino_drvdata->a.vdev = NULL; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4142 | case 9: |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame^] | 4143 | i2c_del_adapter(&vino_i2c_adapter); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4144 | case 8: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4145 | free_irq(SGI_VINO_IRQ, NULL); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4146 | case 7: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4147 | if (vino_drvdata->b.vdev) { |
| 4148 | video_device_release(vino_drvdata->b.vdev); |
| 4149 | vino_drvdata->b.vdev = NULL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4150 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4151 | case 6: |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4152 | if (vino_drvdata->a.vdev) { |
| 4153 | video_device_release(vino_drvdata->a.vdev); |
| 4154 | vino_drvdata->a.vdev = NULL; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4155 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4156 | case 5: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4157 | /* all entries in dma_cpu dummy table have the same address */ |
| 4158 | dma_unmap_single(NULL, |
| 4159 | vino_drvdata->dummy_desc_table.dma_cpu[0], |
| 4160 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 4161 | dma_free_coherent(NULL, VINO_DUMMY_DESC_COUNT |
| 4162 | * sizeof(dma_addr_t), |
| 4163 | (void *)vino_drvdata-> |
| 4164 | dummy_desc_table.dma_cpu, |
| 4165 | vino_drvdata->dummy_desc_table.dma); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4166 | case 4: |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4167 | free_page(vino_drvdata->dummy_page); |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4168 | case 3: |
| 4169 | v4l2_device_unregister(&vino_drvdata->v4l2_dev); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4170 | case 2: |
| 4171 | kfree(vino_drvdata); |
| 4172 | case 1: |
| 4173 | iounmap(vino); |
| 4174 | case 0: |
| 4175 | break; |
| 4176 | default: |
| 4177 | dprintk("vino_module_cleanup(): invalid cleanup stage = %d\n", |
| 4178 | stage); |
| 4179 | } |
| 4180 | } |
| 4181 | |
| 4182 | static int vino_probe(void) |
| 4183 | { |
| 4184 | unsigned long rev_id; |
| 4185 | |
| 4186 | if (ip22_is_fullhouse()) { |
| 4187 | printk(KERN_ERR "VINO doesn't exist in IP22 Fullhouse\n"); |
| 4188 | return -ENODEV; |
| 4189 | } |
| 4190 | |
| 4191 | if (!(sgimc->systemid & SGIMC_SYSID_EPRESENT)) { |
| 4192 | printk(KERN_ERR "VINO is not found (EISA BUS not present)\n"); |
| 4193 | return -ENODEV; |
| 4194 | } |
| 4195 | |
| 4196 | vino = (struct sgi_vino *)ioremap(VINO_BASE, sizeof(struct sgi_vino)); |
| 4197 | if (!vino) { |
| 4198 | printk(KERN_ERR "VINO: ioremap() failed\n"); |
| 4199 | return -EIO; |
| 4200 | } |
| 4201 | vino_init_stage++; |
| 4202 | |
| 4203 | if (get_dbe(rev_id, &(vino->rev_id))) { |
| 4204 | printk(KERN_ERR "Failed to read VINO revision register\n"); |
| 4205 | vino_module_cleanup(vino_init_stage); |
| 4206 | return -ENODEV; |
| 4207 | } |
| 4208 | |
| 4209 | if (VINO_ID_VALUE(rev_id) != VINO_CHIP_ID) { |
| 4210 | printk(KERN_ERR "Unknown VINO chip ID (Rev/ID: 0x%02lx)\n", |
| 4211 | rev_id); |
| 4212 | vino_module_cleanup(vino_init_stage); |
| 4213 | return -ENODEV; |
| 4214 | } |
| 4215 | |
Ladislav Michl | a637a11 | 2005-09-01 15:07:34 +0000 | [diff] [blame] | 4216 | 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] | 4217 | |
| 4218 | return 0; |
| 4219 | } |
| 4220 | |
| 4221 | static int vino_init(void) |
| 4222 | { |
| 4223 | dma_addr_t dma_dummy_address; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4224 | int err; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4225 | int i; |
| 4226 | |
Panagiotis Issaris | 7408187 | 2006-01-11 19:40:56 -0200 | [diff] [blame] | 4227 | vino_drvdata = kzalloc(sizeof(struct vino_settings), GFP_KERNEL); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4228 | if (!vino_drvdata) { |
| 4229 | vino_module_cleanup(vino_init_stage); |
| 4230 | return -ENOMEM; |
| 4231 | } |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4232 | vino_init_stage++; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4233 | strlcpy(vino_drvdata->v4l2_dev.name, "vino", |
| 4234 | sizeof(vino_drvdata->v4l2_dev.name)); |
| 4235 | err = v4l2_device_register(NULL, &vino_drvdata->v4l2_dev); |
| 4236 | if (err) |
| 4237 | return err; |
| 4238 | vino_init_stage++; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4239 | |
| 4240 | /* create a dummy dma descriptor */ |
| 4241 | vino_drvdata->dummy_page = get_zeroed_page(GFP_KERNEL | GFP_DMA); |
| 4242 | if (!vino_drvdata->dummy_page) { |
| 4243 | vino_module_cleanup(vino_init_stage); |
| 4244 | return -ENOMEM; |
| 4245 | } |
| 4246 | vino_init_stage++; |
| 4247 | |
| 4248 | // TODO: use page_count in dummy_desc_table |
| 4249 | |
| 4250 | vino_drvdata->dummy_desc_table.dma_cpu = |
| 4251 | dma_alloc_coherent(NULL, |
| 4252 | VINO_DUMMY_DESC_COUNT * sizeof(dma_addr_t), |
| 4253 | &vino_drvdata->dummy_desc_table.dma, |
| 4254 | GFP_KERNEL | GFP_DMA); |
| 4255 | if (!vino_drvdata->dummy_desc_table.dma_cpu) { |
| 4256 | vino_module_cleanup(vino_init_stage); |
| 4257 | return -ENOMEM; |
| 4258 | } |
| 4259 | vino_init_stage++; |
| 4260 | |
| 4261 | dma_dummy_address = dma_map_single(NULL, |
| 4262 | (void *)vino_drvdata->dummy_page, |
| 4263 | PAGE_SIZE, DMA_FROM_DEVICE); |
| 4264 | for (i = 0; i < VINO_DUMMY_DESC_COUNT; i++) { |
| 4265 | vino_drvdata->dummy_desc_table.dma_cpu[i] = dma_dummy_address; |
| 4266 | } |
| 4267 | |
| 4268 | /* initialize VINO */ |
| 4269 | |
| 4270 | vino->control = 0; |
| 4271 | vino->a.next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 4272 | vino->b.next_4_desc = vino_drvdata->dummy_desc_table.dma; |
| 4273 | udelay(VINO_DESC_FETCH_DELAY); |
| 4274 | |
| 4275 | vino->intr_status = 0; |
| 4276 | |
| 4277 | vino->a.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; |
| 4278 | vino->b.fifo_thres = VINO_FIFO_THRESHOLD_DEFAULT; |
| 4279 | |
| 4280 | return 0; |
| 4281 | } |
| 4282 | |
| 4283 | static int vino_init_channel_settings(struct vino_channel_settings *vcs, |
| 4284 | unsigned int channel, const char *name) |
| 4285 | { |
| 4286 | vcs->channel = channel; |
| 4287 | vcs->input = VINO_INPUT_NONE; |
| 4288 | vcs->alpha = 0; |
| 4289 | vcs->users = 0; |
| 4290 | vcs->data_format = VINO_DATA_FMT_GREY; |
| 4291 | vcs->data_norm = VINO_DATA_NORM_NTSC; |
| 4292 | vcs->decimation = 1; |
| 4293 | vino_set_default_clipping(vcs); |
| 4294 | vino_set_default_framerate(vcs); |
| 4295 | |
| 4296 | vcs->capturing = 0; |
| 4297 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4298 | mutex_init(&vcs->mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4299 | spin_lock_init(&vcs->capture_lock); |
| 4300 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 4301 | mutex_init(&vcs->fb_queue.queue_mutex); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4302 | spin_lock_init(&vcs->fb_queue.queue_lock); |
| 4303 | init_waitqueue_head(&vcs->fb_queue.frame_wait_queue); |
| 4304 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4305 | vcs->vdev = video_device_alloc(); |
| 4306 | if (!vcs->vdev) { |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4307 | vino_module_cleanup(vino_init_stage); |
| 4308 | return -ENOMEM; |
| 4309 | } |
| 4310 | vino_init_stage++; |
| 4311 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4312 | memcpy(vcs->vdev, &vdev_template, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4313 | sizeof(struct video_device)); |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4314 | strcpy(vcs->vdev->name, name); |
| 4315 | vcs->vdev->release = video_device_release; |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4316 | vcs->vdev->v4l2_dev = &vino_drvdata->v4l2_dev; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4317 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4318 | video_set_drvdata(vcs->vdev, vcs); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4319 | |
| 4320 | return 0; |
| 4321 | } |
| 4322 | |
| 4323 | static int __init vino_module_init(void) |
| 4324 | { |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 4325 | unsigned short addr[] = { 0, I2C_CLIENT_END }; |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4326 | int ret; |
| 4327 | |
| 4328 | printk(KERN_INFO "SGI VINO driver version %s\n", |
| 4329 | VINO_MODULE_VERSION); |
| 4330 | |
| 4331 | ret = vino_probe(); |
| 4332 | if (ret) |
| 4333 | return ret; |
| 4334 | |
| 4335 | ret = vino_init(); |
| 4336 | if (ret) |
| 4337 | return ret; |
| 4338 | |
| 4339 | /* initialize data structures */ |
| 4340 | |
| 4341 | spin_lock_init(&vino_drvdata->vino_lock); |
| 4342 | spin_lock_init(&vino_drvdata->input_lock); |
| 4343 | |
| 4344 | ret = vino_init_channel_settings(&vino_drvdata->a, VINO_CHANNEL_A, |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4345 | vino_vdev_name_a); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4346 | if (ret) |
| 4347 | return ret; |
| 4348 | |
| 4349 | ret = vino_init_channel_settings(&vino_drvdata->b, VINO_CHANNEL_B, |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4350 | vino_vdev_name_b); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4351 | if (ret) |
| 4352 | return ret; |
| 4353 | |
| 4354 | /* initialize hardware and register V4L devices */ |
| 4355 | |
| 4356 | ret = request_irq(SGI_VINO_IRQ, vino_interrupt, 0, |
| 4357 | vino_driver_description, NULL); |
| 4358 | if (ret) { |
| 4359 | printk(KERN_ERR "VINO: requesting IRQ %02d failed\n", |
| 4360 | SGI_VINO_IRQ); |
| 4361 | vino_module_cleanup(vino_init_stage); |
| 4362 | return -EAGAIN; |
| 4363 | } |
| 4364 | vino_init_stage++; |
| 4365 | |
Jean Delvare | cea0c68 | 2009-03-06 12:05:43 -0300 | [diff] [blame^] | 4366 | ret = i2c_add_adapter(&vino_i2c_adapter); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4367 | if (ret) { |
| 4368 | printk(KERN_ERR "VINO I2C bus registration failed\n"); |
| 4369 | vino_module_cleanup(vino_init_stage); |
| 4370 | return ret; |
| 4371 | } |
Hans Verkuil | 2895963 | 2009-02-18 18:53:47 -0300 | [diff] [blame] | 4372 | i2c_set_adapdata(&vino_i2c_adapter, &vino_drvdata->v4l2_dev); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4373 | vino_init_stage++; |
| 4374 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4375 | ret = video_register_device(vino_drvdata->a.vdev, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4376 | VFL_TYPE_GRABBER, -1); |
| 4377 | if (ret < 0) { |
| 4378 | printk(KERN_ERR "VINO channel A Video4Linux-device " |
| 4379 | "registration failed\n"); |
| 4380 | vino_module_cleanup(vino_init_stage); |
| 4381 | return -EINVAL; |
| 4382 | } |
| 4383 | vino_init_stage++; |
| 4384 | |
Hans Verkuil | 0ef4dba | 2009-02-12 11:31:13 -0300 | [diff] [blame] | 4385 | ret = video_register_device(vino_drvdata->b.vdev, |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4386 | VFL_TYPE_GRABBER, -1); |
| 4387 | if (ret < 0) { |
| 4388 | printk(KERN_ERR "VINO channel B Video4Linux-device " |
| 4389 | "registration failed\n"); |
| 4390 | vino_module_cleanup(vino_init_stage); |
| 4391 | return -EINVAL; |
| 4392 | } |
| 4393 | vino_init_stage++; |
| 4394 | |
Hans Verkuil | 48f4dac | 2009-02-18 19:18:26 -0300 | [diff] [blame] | 4395 | addr[0] = 0x45; |
| 4396 | vino_drvdata->decoder = v4l2_i2c_new_probed_subdev(&vino_i2c_adapter, |
| 4397 | "saa7191", "saa7191", addr); |
| 4398 | addr[0] = 0x2b; |
| 4399 | vino_drvdata->camera = v4l2_i2c_new_probed_subdev(&vino_i2c_adapter, |
| 4400 | "indycam", "indycam", addr); |
Ralf Baechle | d203a7e | 2005-09-06 15:19:37 -0700 | [diff] [blame] | 4401 | |
| 4402 | dprintk("init complete!\n"); |
| 4403 | |
| 4404 | return 0; |
| 4405 | } |
| 4406 | |
| 4407 | static void __exit vino_module_exit(void) |
| 4408 | { |
| 4409 | dprintk("exiting, stage = %d ...\n", vino_init_stage); |
| 4410 | vino_module_cleanup(vino_init_stage); |
| 4411 | dprintk("cleanup complete, exit!\n"); |
| 4412 | } |
| 4413 | |
| 4414 | module_init(vino_module_init); |
| 4415 | module_exit(vino_module_exit); |