Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Media Vision Pro Movie Studio |
| 3 | * or |
| 4 | * "all you need is an I2C bus some RAM and a prayer" |
| 5 | * |
| 6 | * This draws heavily on code |
| 7 | * |
| 8 | * (c) Wolfgang Koehler, wolf@first.gmd.de, Dec. 1994 |
| 9 | * Kiefernring 15 |
| 10 | * 14478 Potsdam, Germany |
| 11 | * |
| 12 | * Most of this code is directly derived from his userspace driver. |
| 13 | * His driver works so send any reports to alan@redhat.com unless the |
| 14 | * userspace driver also doesn't work for you... |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 15 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 16 | * Changes: |
| 17 | * 08/07/2003 Daniele Bellucci <bellucda@tiscali.it> |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 18 | * - pms_capture: report back -EFAULT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | */ |
| 20 | |
| 21 | #include <linux/module.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/errno.h> |
| 24 | #include <linux/fs.h> |
| 25 | #include <linux/kernel.h> |
| 26 | #include <linux/slab.h> |
| 27 | #include <linux/mm.h> |
| 28 | #include <linux/ioport.h> |
| 29 | #include <linux/init.h> |
| 30 | #include <asm/io.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/videodev.h> |
Mauro Carvalho Chehab | 5e87efa | 2006-06-05 10:26:32 -0300 | [diff] [blame] | 32 | #include <media/v4l2-common.h> |
Hans Verkuil | 35ea11f | 2008-07-20 08:12:02 -0300 | [diff] [blame] | 33 | #include <media/v4l2-ioctl.h> |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 34 | #include <linux/mutex.h> |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <asm/uaccess.h> |
| 37 | |
| 38 | |
| 39 | #define MOTOROLA 1 |
| 40 | #define PHILIPS2 2 |
| 41 | #define PHILIPS1 3 |
| 42 | #define MVVMEMORYWIDTH 0x40 /* 512 bytes */ |
| 43 | |
| 44 | struct pms_device |
| 45 | { |
| 46 | struct video_device v; |
| 47 | struct video_picture picture; |
| 48 | int height; |
| 49 | int width; |
Hans Verkuil | 7d43cd5 | 2008-08-23 05:31:47 -0300 | [diff] [blame] | 50 | unsigned long in_use; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 51 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | }; |
| 53 | |
| 54 | struct i2c_info |
| 55 | { |
| 56 | u8 slave; |
| 57 | u8 sub; |
| 58 | u8 data; |
| 59 | u8 hits; |
| 60 | }; |
| 61 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 62 | static int i2c_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | static struct i2c_info i2cinfo[64]; |
| 64 | |
| 65 | static int decoder = PHILIPS2; |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 66 | static int standard; /* 0 - auto 1 - ntsc 2 - pal 3 - secam */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | |
| 68 | /* |
| 69 | * I/O ports and Shared Memory |
| 70 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 71 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | static int io_port = 0x250; |
| 73 | static int data_port = 0x251; |
| 74 | static int mem_base = 0xC8000; |
| 75 | static void __iomem *mem; |
| 76 | static int video_nr = -1; |
| 77 | |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 78 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | |
| 80 | static inline void mvv_write(u8 index, u8 value) |
| 81 | { |
| 82 | outw(index|(value<<8), io_port); |
| 83 | } |
| 84 | |
| 85 | static inline u8 mvv_read(u8 index) |
| 86 | { |
| 87 | outb(index, io_port); |
| 88 | return inb(data_port); |
| 89 | } |
| 90 | |
| 91 | static int pms_i2c_stat(u8 slave) |
| 92 | { |
| 93 | int counter; |
| 94 | int i; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 95 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | outb(0x28, io_port); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 97 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 98 | counter=0; |
| 99 | while((inb(data_port)&0x01)==0) |
| 100 | if(counter++==256) |
| 101 | break; |
| 102 | |
| 103 | while((inb(data_port)&0x01)!=0) |
| 104 | if(counter++==256) |
| 105 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 106 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | outb(slave, io_port); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | counter=0; |
| 110 | while((inb(data_port)&0x01)==0) |
| 111 | if(counter++==256) |
| 112 | break; |
| 113 | |
| 114 | while((inb(data_port)&0x01)!=0) |
| 115 | if(counter++==256) |
| 116 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 117 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | for(i=0;i<12;i++) |
| 119 | { |
| 120 | char st=inb(data_port); |
| 121 | if((st&2)!=0) |
| 122 | return -1; |
| 123 | if((st&1)==0) |
| 124 | break; |
| 125 | } |
| 126 | outb(0x29, io_port); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 127 | return inb(data_port); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | } |
| 129 | |
| 130 | static int pms_i2c_write(u16 slave, u16 sub, u16 data) |
| 131 | { |
| 132 | int skip=0; |
| 133 | int count; |
| 134 | int i; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | for(i=0;i<i2c_count;i++) |
| 137 | { |
| 138 | if((i2cinfo[i].slave==slave) && |
| 139 | (i2cinfo[i].sub == sub)) |
| 140 | { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 141 | if(i2cinfo[i].data==data) |
| 142 | skip=1; |
| 143 | i2cinfo[i].data=data; |
| 144 | i=i2c_count+1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | } |
| 146 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 147 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | if(i==i2c_count && i2c_count<64) |
| 149 | { |
| 150 | i2cinfo[i2c_count].slave=slave; |
| 151 | i2cinfo[i2c_count].sub=sub; |
| 152 | i2cinfo[i2c_count].data=data; |
| 153 | i2c_count++; |
| 154 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | if(skip) |
| 157 | return 0; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | mvv_write(0x29, sub); |
| 160 | mvv_write(0x2A, data); |
| 161 | mvv_write(0x28, slave); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 162 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | outb(0x28, io_port); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 164 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 165 | count=0; |
| 166 | while((inb(data_port)&1)==0) |
| 167 | if(count>255) |
| 168 | break; |
| 169 | while((inb(data_port)&1)!=0) |
| 170 | if(count>255) |
| 171 | break; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 172 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | count=inb(data_port); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | if(count&2) |
| 176 | return -1; |
| 177 | return count; |
| 178 | } |
| 179 | |
| 180 | static int pms_i2c_read(int slave, int sub) |
| 181 | { |
| 182 | int i=0; |
| 183 | for(i=0;i<i2c_count;i++) |
| 184 | { |
| 185 | if(i2cinfo[i].slave==slave && i2cinfo[i].sub==sub) |
| 186 | return i2cinfo[i].data; |
| 187 | } |
| 188 | return 0; |
| 189 | } |
| 190 | |
| 191 | |
| 192 | static void pms_i2c_andor(int slave, int sub, int and, int or) |
| 193 | { |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 194 | u8 tmp; |
| 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | tmp=pms_i2c_read(slave, sub); |
| 197 | tmp = (tmp&and)|or; |
| 198 | pms_i2c_write(slave, sub, tmp); |
| 199 | } |
| 200 | |
| 201 | /* |
| 202 | * Control functions |
| 203 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | |
| 206 | static void pms_videosource(short source) |
| 207 | { |
| 208 | mvv_write(0x2E, source?0x31:0x30); |
| 209 | } |
| 210 | |
| 211 | static void pms_hue(short hue) |
| 212 | { |
| 213 | switch(decoder) |
| 214 | { |
| 215 | case MOTOROLA: |
| 216 | pms_i2c_write(0x8A, 0x00, hue); |
| 217 | break; |
| 218 | case PHILIPS2: |
| 219 | pms_i2c_write(0x8A, 0x07, hue); |
| 220 | break; |
| 221 | case PHILIPS1: |
| 222 | pms_i2c_write(0x42, 0x07, hue); |
| 223 | break; |
| 224 | } |
| 225 | } |
| 226 | |
| 227 | static void pms_colour(short colour) |
| 228 | { |
| 229 | switch(decoder) |
| 230 | { |
| 231 | case MOTOROLA: |
| 232 | pms_i2c_write(0x8A, 0x00, colour); |
| 233 | break; |
| 234 | case PHILIPS1: |
| 235 | pms_i2c_write(0x42, 0x12, colour); |
| 236 | break; |
| 237 | } |
| 238 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 239 | |
| 240 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 241 | static void pms_contrast(short contrast) |
| 242 | { |
| 243 | switch(decoder) |
| 244 | { |
| 245 | case MOTOROLA: |
| 246 | pms_i2c_write(0x8A, 0x00, contrast); |
| 247 | break; |
| 248 | case PHILIPS1: |
| 249 | pms_i2c_write(0x42, 0x13, contrast); |
| 250 | break; |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | static void pms_brightness(short brightness) |
| 255 | { |
| 256 | switch(decoder) |
| 257 | { |
| 258 | case MOTOROLA: |
| 259 | pms_i2c_write(0x8A, 0x00, brightness); |
| 260 | pms_i2c_write(0x8A, 0x00, brightness); |
| 261 | pms_i2c_write(0x8A, 0x00, brightness); |
| 262 | break; |
| 263 | case PHILIPS1: |
| 264 | pms_i2c_write(0x42, 0x19, brightness); |
| 265 | break; |
| 266 | } |
| 267 | } |
| 268 | |
| 269 | |
| 270 | static void pms_format(short format) |
| 271 | { |
| 272 | int target; |
| 273 | standard = format; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 274 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | if(decoder==PHILIPS1) |
| 276 | target=0x42; |
| 277 | else if(decoder==PHILIPS2) |
| 278 | target=0x8A; |
| 279 | else |
| 280 | return; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | switch(format) |
| 283 | { |
| 284 | case 0: /* Auto */ |
| 285 | pms_i2c_andor(target, 0x0D, 0xFE,0x00); |
| 286 | pms_i2c_andor(target, 0x0F, 0x3F,0x80); |
| 287 | break; |
| 288 | case 1: /* NTSC */ |
| 289 | pms_i2c_andor(target, 0x0D, 0xFE, 0x00); |
| 290 | pms_i2c_andor(target, 0x0F, 0x3F, 0x40); |
| 291 | break; |
| 292 | case 2: /* PAL */ |
| 293 | pms_i2c_andor(target, 0x0D, 0xFE, 0x00); |
| 294 | pms_i2c_andor(target, 0x0F, 0x3F, 0x00); |
| 295 | break; |
| 296 | case 3: /* SECAM */ |
| 297 | pms_i2c_andor(target, 0x0D, 0xFE, 0x01); |
| 298 | pms_i2c_andor(target, 0x0F, 0x3F, 0x00); |
| 299 | break; |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | #ifdef FOR_FUTURE_EXPANSION |
| 304 | |
| 305 | /* |
| 306 | * These features of the PMS card are not currently exposes. They |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 307 | * could become a private v4l ioctl for PMSCONFIG or somesuch if |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | * people need it. We also don't yet use the PMS interrupt. |
| 309 | */ |
| 310 | |
| 311 | static void pms_hstart(short start) |
| 312 | { |
| 313 | switch(decoder) |
| 314 | { |
| 315 | case PHILIPS1: |
| 316 | pms_i2c_write(0x8A, 0x05, start); |
| 317 | pms_i2c_write(0x8A, 0x18, start); |
| 318 | break; |
| 319 | case PHILIPS2: |
| 320 | pms_i2c_write(0x42, 0x05, start); |
| 321 | pms_i2c_write(0x42, 0x18, start); |
| 322 | break; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | /* |
| 327 | * Bandpass filters |
| 328 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 329 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | static void pms_bandpass(short pass) |
| 331 | { |
| 332 | if(decoder==PHILIPS2) |
| 333 | pms_i2c_andor(0x8A, 0x06, 0xCF, (pass&0x03)<<4); |
| 334 | else if(decoder==PHILIPS1) |
| 335 | pms_i2c_andor(0x42, 0x06, 0xCF, (pass&0x03)<<4); |
| 336 | } |
| 337 | |
| 338 | static void pms_antisnow(short snow) |
| 339 | { |
| 340 | if(decoder==PHILIPS2) |
| 341 | pms_i2c_andor(0x8A, 0x06, 0xF3, (snow&0x03)<<2); |
| 342 | else if(decoder==PHILIPS1) |
| 343 | pms_i2c_andor(0x42, 0x06, 0xF3, (snow&0x03)<<2); |
| 344 | } |
| 345 | |
| 346 | static void pms_sharpness(short sharp) |
| 347 | { |
| 348 | if(decoder==PHILIPS2) |
| 349 | pms_i2c_andor(0x8A, 0x06, 0xFC, sharp&0x03); |
| 350 | else if(decoder==PHILIPS1) |
| 351 | pms_i2c_andor(0x42, 0x06, 0xFC, sharp&0x03); |
| 352 | } |
| 353 | |
| 354 | static void pms_chromaagc(short agc) |
| 355 | { |
| 356 | if(decoder==PHILIPS2) |
| 357 | pms_i2c_andor(0x8A, 0x0C, 0x9F, (agc&0x03)<<5); |
| 358 | else if(decoder==PHILIPS1) |
| 359 | pms_i2c_andor(0x42, 0x0C, 0x9F, (agc&0x03)<<5); |
| 360 | } |
| 361 | |
| 362 | static void pms_vertnoise(short noise) |
| 363 | { |
| 364 | if(decoder==PHILIPS2) |
| 365 | pms_i2c_andor(0x8A, 0x10, 0xFC, noise&3); |
| 366 | else if(decoder==PHILIPS1) |
| 367 | pms_i2c_andor(0x42, 0x10, 0xFC, noise&3); |
| 368 | } |
| 369 | |
| 370 | static void pms_forcecolour(short colour) |
| 371 | { |
| 372 | if(decoder==PHILIPS2) |
| 373 | pms_i2c_andor(0x8A, 0x0C, 0x7F, (colour&1)<<7); |
| 374 | else if(decoder==PHILIPS1) |
| 375 | pms_i2c_andor(0x42, 0x0C, 0x7, (colour&1)<<7); |
| 376 | } |
| 377 | |
| 378 | static void pms_antigamma(short gamma) |
| 379 | { |
| 380 | if(decoder==PHILIPS2) |
| 381 | pms_i2c_andor(0xB8, 0x00, 0x7F, (gamma&1)<<7); |
| 382 | else if(decoder==PHILIPS1) |
| 383 | pms_i2c_andor(0x42, 0x20, 0x7, (gamma&1)<<7); |
| 384 | } |
| 385 | |
| 386 | static void pms_prefilter(short filter) |
| 387 | { |
| 388 | if(decoder==PHILIPS2) |
| 389 | pms_i2c_andor(0x8A, 0x06, 0xBF, (filter&1)<<6); |
| 390 | else if(decoder==PHILIPS1) |
| 391 | pms_i2c_andor(0x42, 0x06, 0xBF, (filter&1)<<6); |
| 392 | } |
| 393 | |
| 394 | static void pms_hfilter(short filter) |
| 395 | { |
| 396 | if(decoder==PHILIPS2) |
| 397 | pms_i2c_andor(0xB8, 0x04, 0x1F, (filter&7)<<5); |
| 398 | else if(decoder==PHILIPS1) |
| 399 | pms_i2c_andor(0x42, 0x24, 0x1F, (filter&7)<<5); |
| 400 | } |
| 401 | |
| 402 | static void pms_vfilter(short filter) |
| 403 | { |
| 404 | if(decoder==PHILIPS2) |
| 405 | pms_i2c_andor(0xB8, 0x08, 0x9F, (filter&3)<<5); |
| 406 | else if(decoder==PHILIPS1) |
| 407 | pms_i2c_andor(0x42, 0x28, 0x9F, (filter&3)<<5); |
| 408 | } |
| 409 | |
| 410 | static void pms_killcolour(short colour) |
| 411 | { |
| 412 | if(decoder==PHILIPS2) |
| 413 | { |
| 414 | pms_i2c_andor(0x8A, 0x08, 0x07, (colour&0x1F)<<3); |
| 415 | pms_i2c_andor(0x8A, 0x09, 0x07, (colour&0x1F)<<3); |
| 416 | } |
| 417 | else if(decoder==PHILIPS1) |
| 418 | { |
| 419 | pms_i2c_andor(0x42, 0x08, 0x07, (colour&0x1F)<<3); |
| 420 | pms_i2c_andor(0x42, 0x09, 0x07, (colour&0x1F)<<3); |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | static void pms_chromagain(short chroma) |
| 425 | { |
| 426 | if(decoder==PHILIPS2) |
| 427 | { |
| 428 | pms_i2c_write(0x8A, 0x11, chroma); |
| 429 | } |
| 430 | else if(decoder==PHILIPS1) |
| 431 | { |
| 432 | pms_i2c_write(0x42, 0x11, chroma); |
| 433 | } |
| 434 | } |
| 435 | |
| 436 | |
| 437 | static void pms_spacialcompl(short data) |
| 438 | { |
| 439 | mvv_write(0x3B, data); |
| 440 | } |
| 441 | |
| 442 | static void pms_spacialcomph(short data) |
| 443 | { |
| 444 | mvv_write(0x3A, data); |
| 445 | } |
| 446 | |
| 447 | static void pms_vstart(short start) |
| 448 | { |
| 449 | mvv_write(0x16, start); |
| 450 | mvv_write(0x17, (start>>8)&0x01); |
| 451 | } |
| 452 | |
| 453 | #endif |
| 454 | |
| 455 | static void pms_secamcross(short cross) |
| 456 | { |
| 457 | if(decoder==PHILIPS2) |
| 458 | pms_i2c_andor(0x8A, 0x0F, 0xDF, (cross&1)<<5); |
| 459 | else if(decoder==PHILIPS1) |
| 460 | pms_i2c_andor(0x42, 0x0F, 0xDF, (cross&1)<<5); |
| 461 | } |
| 462 | |
| 463 | |
| 464 | static void pms_swsense(short sense) |
| 465 | { |
| 466 | if(decoder==PHILIPS2) |
| 467 | { |
| 468 | pms_i2c_write(0x8A, 0x0A, sense); |
| 469 | pms_i2c_write(0x8A, 0x0B, sense); |
| 470 | } |
| 471 | else if(decoder==PHILIPS1) |
| 472 | { |
| 473 | pms_i2c_write(0x42, 0x0A, sense); |
| 474 | pms_i2c_write(0x42, 0x0B, sense); |
| 475 | } |
| 476 | } |
| 477 | |
| 478 | |
| 479 | static void pms_framerate(short frr) |
| 480 | { |
| 481 | int fps=(standard==1)?30:25; |
| 482 | if(frr==0) |
| 483 | return; |
| 484 | fps=fps/frr; |
| 485 | mvv_write(0x14,0x80|fps); |
| 486 | mvv_write(0x15,1); |
| 487 | } |
| 488 | |
| 489 | static void pms_vert(u8 deciden, u8 decinum) |
| 490 | { |
| 491 | mvv_write(0x1C, deciden); /* Denominator */ |
| 492 | mvv_write(0x1D, decinum); /* Numerator */ |
| 493 | } |
| 494 | |
| 495 | /* |
| 496 | * Turn 16bit ratios into best small ratio the chipset can grok |
| 497 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 498 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 499 | static void pms_vertdeci(unsigned short decinum, unsigned short deciden) |
| 500 | { |
| 501 | /* Knock it down by /5 once */ |
| 502 | if(decinum%5==0) |
| 503 | { |
| 504 | deciden/=5; |
| 505 | decinum/=5; |
| 506 | } |
| 507 | /* |
| 508 | * 3's |
| 509 | */ |
| 510 | while(decinum%3==0 && deciden%3==0) |
| 511 | { |
| 512 | deciden/=3; |
| 513 | decinum/=3; |
| 514 | } |
| 515 | /* |
| 516 | * 2's |
| 517 | */ |
| 518 | while(decinum%2==0 && deciden%2==0) |
| 519 | { |
| 520 | decinum/=2; |
| 521 | deciden/=2; |
| 522 | } |
| 523 | /* |
| 524 | * Fudgyify |
| 525 | */ |
| 526 | while(deciden>32) |
| 527 | { |
| 528 | deciden/=2; |
| 529 | decinum=(decinum+1)/2; |
| 530 | } |
| 531 | if(deciden==32) |
| 532 | deciden--; |
| 533 | pms_vert(deciden,decinum); |
| 534 | } |
| 535 | |
| 536 | static void pms_horzdeci(short decinum, short deciden) |
| 537 | { |
| 538 | if(decinum<=512) |
| 539 | { |
| 540 | if(decinum%5==0) |
| 541 | { |
| 542 | decinum/=5; |
| 543 | deciden/=5; |
| 544 | } |
| 545 | } |
| 546 | else |
| 547 | { |
| 548 | decinum=512; |
| 549 | deciden=640; /* 768 would be ideal */ |
| 550 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 551 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 552 | while(((decinum|deciden)&1)==0) |
| 553 | { |
| 554 | decinum>>=1; |
| 555 | deciden>>=1; |
| 556 | } |
| 557 | while(deciden>32) |
| 558 | { |
| 559 | deciden>>=1; |
| 560 | decinum=(decinum+1)>>1; |
| 561 | } |
| 562 | if(deciden==32) |
| 563 | deciden--; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 564 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 565 | mvv_write(0x24, 0x80|deciden); |
| 566 | mvv_write(0x25, decinum); |
| 567 | } |
| 568 | |
| 569 | static void pms_resolution(short width, short height) |
| 570 | { |
| 571 | int fg_height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 572 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 573 | fg_height=height; |
| 574 | if(fg_height>280) |
| 575 | fg_height=280; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 576 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 577 | mvv_write(0x18, fg_height); |
| 578 | mvv_write(0x19, fg_height>>8); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 579 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 580 | if(standard==1) |
| 581 | { |
| 582 | mvv_write(0x1A, 0xFC); |
| 583 | mvv_write(0x1B, 0x00); |
| 584 | if(height>fg_height) |
| 585 | pms_vertdeci(240,240); |
| 586 | else |
| 587 | pms_vertdeci(fg_height,240); |
| 588 | } |
| 589 | else |
| 590 | { |
| 591 | mvv_write(0x1A, 0x1A); |
| 592 | mvv_write(0x1B, 0x01); |
| 593 | if(fg_height>256) |
| 594 | pms_vertdeci(270,270); |
| 595 | else |
| 596 | pms_vertdeci(fg_height, 270); |
| 597 | } |
| 598 | mvv_write(0x12,0); |
| 599 | mvv_write(0x13, MVVMEMORYWIDTH); |
| 600 | mvv_write(0x42, 0x00); |
| 601 | mvv_write(0x43, 0x00); |
| 602 | mvv_write(0x44, MVVMEMORYWIDTH); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 603 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | mvv_write(0x22, width+8); |
| 605 | mvv_write(0x23, (width+8)>> 8); |
| 606 | |
| 607 | if(standard==1) |
| 608 | pms_horzdeci(width,640); |
| 609 | else |
| 610 | pms_horzdeci(width+8, 768); |
| 611 | |
| 612 | mvv_write(0x30, mvv_read(0x30)&0xFE); |
| 613 | mvv_write(0x08, mvv_read(0x08)|0x01); |
| 614 | mvv_write(0x01, mvv_read(0x01)&0xFD); |
| 615 | mvv_write(0x32, 0x00); |
| 616 | mvv_write(0x33, MVVMEMORYWIDTH); |
| 617 | } |
| 618 | |
| 619 | |
| 620 | /* |
| 621 | * Set Input |
| 622 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 623 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 624 | static void pms_vcrinput(short input) |
| 625 | { |
| 626 | if(decoder==PHILIPS2) |
| 627 | pms_i2c_andor(0x8A,0x0D,0x7F,(input&1)<<7); |
| 628 | else if(decoder==PHILIPS1) |
| 629 | pms_i2c_andor(0x42,0x0D,0x7F,(input&1)<<7); |
| 630 | } |
| 631 | |
| 632 | |
| 633 | static int pms_capture(struct pms_device *dev, char __user *buf, int rgb555, int count) |
| 634 | { |
| 635 | int y; |
| 636 | int dw = 2*dev->width; |
| 637 | |
| 638 | char tmp[dw+32]; /* using a temp buffer is faster than direct */ |
| 639 | int cnt = 0; |
| 640 | int len=0; |
| 641 | unsigned char r8 = 0x5; /* value for reg8 */ |
| 642 | |
| 643 | if (rgb555) |
| 644 | r8 |= 0x20; /* else use untranslated rgb = 565 */ |
| 645 | mvv_write(0x08,r8); /* capture rgb555/565, init DRAM, PC enable */ |
| 646 | |
| 647 | /* printf("%d %d %d %d %d %x %x\n",width,height,voff,nom,den,mvv_buf); */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 648 | |
| 649 | for (y = 0; y < dev->height; y++ ) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 650 | { |
| 651 | writeb(0, mem); /* synchronisiert neue Zeile */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 652 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 653 | /* |
| 654 | * This is in truth a fifo, be very careful as if you |
| 655 | * forgot this odd things will occur 8) |
| 656 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 657 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | memcpy_fromio(tmp, mem, dw+32); /* discard 16 word */ |
| 659 | cnt -= dev->height; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 660 | while (cnt <= 0) |
| 661 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | /* |
| 663 | * Don't copy too far |
| 664 | */ |
| 665 | int dt=dw; |
| 666 | if(dt+len>count) |
| 667 | dt=count-len; |
| 668 | cnt += dev->height; |
| 669 | if (copy_to_user(buf, tmp+32, dt)) |
| 670 | return len ? len : -EFAULT; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 671 | buf += dt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | len += dt; |
| 673 | } |
| 674 | } |
| 675 | return len; |
| 676 | } |
| 677 | |
| 678 | |
| 679 | /* |
| 680 | * Video4linux interfacing |
| 681 | */ |
| 682 | |
| 683 | static int pms_do_ioctl(struct inode *inode, struct file *file, |
| 684 | unsigned int cmd, void *arg) |
| 685 | { |
| 686 | struct video_device *dev = video_devdata(file); |
| 687 | struct pms_device *pd=(struct pms_device *)dev; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 688 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 689 | switch(cmd) |
| 690 | { |
| 691 | case VIDIOCGCAP: |
| 692 | { |
| 693 | struct video_capability *b = arg; |
| 694 | strcpy(b->name, "Mediavision PMS"); |
| 695 | b->type = VID_TYPE_CAPTURE|VID_TYPE_SCALES; |
| 696 | b->channels = 4; |
| 697 | b->audios = 0; |
| 698 | b->maxwidth = 640; |
| 699 | b->maxheight = 480; |
| 700 | b->minwidth = 16; |
| 701 | b->minheight = 16; |
| 702 | return 0; |
| 703 | } |
| 704 | case VIDIOCGCHAN: |
| 705 | { |
| 706 | struct video_channel *v = arg; |
| 707 | if(v->channel<0 || v->channel>3) |
| 708 | return -EINVAL; |
| 709 | v->flags=0; |
| 710 | v->tuners=1; |
| 711 | /* Good question.. its composite or SVHS so.. */ |
| 712 | v->type = VIDEO_TYPE_CAMERA; |
| 713 | switch(v->channel) |
| 714 | { |
| 715 | case 0: |
| 716 | strcpy(v->name, "Composite");break; |
| 717 | case 1: |
| 718 | strcpy(v->name, "SVideo");break; |
| 719 | case 2: |
| 720 | strcpy(v->name, "Composite(VCR)");break; |
| 721 | case 3: |
| 722 | strcpy(v->name, "SVideo(VCR)");break; |
| 723 | } |
| 724 | return 0; |
| 725 | } |
| 726 | case VIDIOCSCHAN: |
| 727 | { |
| 728 | struct video_channel *v = arg; |
| 729 | if(v->channel<0 || v->channel>3) |
| 730 | return -EINVAL; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 731 | mutex_lock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 732 | pms_videosource(v->channel&1); |
| 733 | pms_vcrinput(v->channel>>1); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 734 | mutex_unlock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 735 | return 0; |
| 736 | } |
| 737 | case VIDIOCGTUNER: |
| 738 | { |
| 739 | struct video_tuner *v = arg; |
| 740 | if(v->tuner) |
| 741 | return -EINVAL; |
| 742 | strcpy(v->name, "Format"); |
| 743 | v->rangelow=0; |
| 744 | v->rangehigh=0; |
| 745 | v->flags= VIDEO_TUNER_PAL|VIDEO_TUNER_NTSC|VIDEO_TUNER_SECAM; |
| 746 | switch(standard) |
| 747 | { |
| 748 | case 0: |
| 749 | v->mode = VIDEO_MODE_AUTO; |
| 750 | break; |
| 751 | case 1: |
| 752 | v->mode = VIDEO_MODE_NTSC; |
| 753 | break; |
| 754 | case 2: |
| 755 | v->mode = VIDEO_MODE_PAL; |
| 756 | break; |
| 757 | case 3: |
| 758 | v->mode = VIDEO_MODE_SECAM; |
| 759 | break; |
| 760 | } |
| 761 | return 0; |
| 762 | } |
| 763 | case VIDIOCSTUNER: |
| 764 | { |
| 765 | struct video_tuner *v = arg; |
| 766 | if(v->tuner) |
| 767 | return -EINVAL; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 768 | mutex_lock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 769 | switch(v->mode) |
| 770 | { |
| 771 | case VIDEO_MODE_AUTO: |
| 772 | pms_framerate(25); |
| 773 | pms_secamcross(0); |
| 774 | pms_format(0); |
| 775 | break; |
| 776 | case VIDEO_MODE_NTSC: |
| 777 | pms_framerate(30); |
| 778 | pms_secamcross(0); |
| 779 | pms_format(1); |
| 780 | break; |
| 781 | case VIDEO_MODE_PAL: |
| 782 | pms_framerate(25); |
| 783 | pms_secamcross(0); |
| 784 | pms_format(2); |
| 785 | break; |
| 786 | case VIDEO_MODE_SECAM: |
| 787 | pms_framerate(25); |
| 788 | pms_secamcross(1); |
| 789 | pms_format(2); |
| 790 | break; |
| 791 | default: |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 792 | mutex_unlock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 793 | return -EINVAL; |
| 794 | } |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 795 | mutex_unlock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | return 0; |
| 797 | } |
| 798 | case VIDIOCGPICT: |
| 799 | { |
| 800 | struct video_picture *p = arg; |
| 801 | *p = pd->picture; |
| 802 | return 0; |
| 803 | } |
| 804 | case VIDIOCSPICT: |
| 805 | { |
| 806 | struct video_picture *p = arg; |
| 807 | if(!((p->palette==VIDEO_PALETTE_RGB565 && p->depth==16) |
| 808 | ||(p->palette==VIDEO_PALETTE_RGB555 && p->depth==15))) |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 809 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | pd->picture= *p; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 811 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 812 | /* |
| 813 | * Now load the card. |
| 814 | */ |
| 815 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 816 | mutex_lock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 817 | pms_brightness(p->brightness>>8); |
| 818 | pms_hue(p->hue>>8); |
| 819 | pms_colour(p->colour>>8); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 820 | pms_contrast(p->contrast>>8); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 821 | mutex_unlock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 822 | return 0; |
| 823 | } |
| 824 | case VIDIOCSWIN: |
| 825 | { |
| 826 | struct video_window *vw = arg; |
| 827 | if(vw->flags) |
| 828 | return -EINVAL; |
| 829 | if(vw->clipcount) |
| 830 | return -EINVAL; |
| 831 | if(vw->height<16||vw->height>480) |
| 832 | return -EINVAL; |
| 833 | if(vw->width<16||vw->width>640) |
| 834 | return -EINVAL; |
| 835 | pd->width=vw->width; |
| 836 | pd->height=vw->height; |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 837 | mutex_lock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 838 | pms_resolution(pd->width, pd->height); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 839 | mutex_unlock(&pd->lock); /* Ok we figured out what to use from our wide choice */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 840 | return 0; |
| 841 | } |
| 842 | case VIDIOCGWIN: |
| 843 | { |
| 844 | struct video_window *vw = arg; |
| 845 | memset(vw,0,sizeof(*vw)); |
| 846 | vw->width=pd->width; |
| 847 | vw->height=pd->height; |
| 848 | return 0; |
| 849 | } |
| 850 | case VIDIOCKEY: |
| 851 | return 0; |
| 852 | case VIDIOCCAPTURE: |
| 853 | case VIDIOCGFBUF: |
| 854 | case VIDIOCSFBUF: |
| 855 | case VIDIOCGFREQ: |
| 856 | case VIDIOCSFREQ: |
| 857 | case VIDIOCGAUDIO: |
| 858 | case VIDIOCSAUDIO: |
| 859 | return -EINVAL; |
| 860 | default: |
| 861 | return -ENOIOCTLCMD; |
| 862 | } |
| 863 | return 0; |
| 864 | } |
| 865 | |
| 866 | static int pms_ioctl(struct inode *inode, struct file *file, |
| 867 | unsigned int cmd, unsigned long arg) |
| 868 | { |
| 869 | return video_usercopy(inode, file, cmd, arg, pms_do_ioctl); |
| 870 | } |
| 871 | |
| 872 | static ssize_t pms_read(struct file *file, char __user *buf, |
| 873 | size_t count, loff_t *ppos) |
| 874 | { |
| 875 | struct video_device *v = video_devdata(file); |
| 876 | struct pms_device *pd=(struct pms_device *)v; |
| 877 | int len; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 878 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 879 | mutex_lock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 880 | len=pms_capture(pd, buf, (pd->picture.depth==16)?0:1,count); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 881 | mutex_unlock(&pd->lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 882 | return len; |
| 883 | } |
| 884 | |
Hans Verkuil | 7d43cd5 | 2008-08-23 05:31:47 -0300 | [diff] [blame] | 885 | static int pms_exclusive_open(struct inode *inode, struct file *file) |
| 886 | { |
| 887 | struct video_device *v = video_devdata(file); |
| 888 | struct pms_device *pd = (struct pms_device *)v; |
| 889 | |
| 890 | return test_and_set_bit(0, &pd->in_use) ? -EBUSY : 0; |
| 891 | } |
| 892 | |
| 893 | static int pms_exclusive_release(struct inode *inode, struct file *file) |
| 894 | { |
| 895 | struct video_device *v = video_devdata(file); |
| 896 | struct pms_device *pd = (struct pms_device *)v; |
| 897 | |
| 898 | clear_bit(0, &pd->in_use); |
| 899 | return 0; |
| 900 | } |
| 901 | |
Arjan van de Ven | fa027c2 | 2007-02-12 00:55:33 -0800 | [diff] [blame] | 902 | static const struct file_operations pms_fops = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | .owner = THIS_MODULE, |
Hans Verkuil | 7d43cd5 | 2008-08-23 05:31:47 -0300 | [diff] [blame] | 904 | .open = pms_exclusive_open, |
| 905 | .release = pms_exclusive_release, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 906 | .ioctl = pms_ioctl, |
Douglas Schilling Landgraf | 078ff79 | 2008-04-22 14:46:11 -0300 | [diff] [blame] | 907 | #ifdef CONFIG_COMPAT |
Arnd Bergmann | 0d0fbf8 | 2006-01-09 15:24:57 -0200 | [diff] [blame] | 908 | .compat_ioctl = v4l_compat_ioctl32, |
Douglas Schilling Landgraf | 078ff79 | 2008-04-22 14:46:11 -0300 | [diff] [blame] | 909 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 910 | .read = pms_read, |
| 911 | .llseek = no_llseek, |
| 912 | }; |
| 913 | |
| 914 | static struct video_device pms_template= |
| 915 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 916 | .name = "Mediavision PMS", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 917 | .fops = &pms_fops, |
Hans Verkuil | aa5e90a | 2008-08-23 06:23:55 -0300 | [diff] [blame^] | 918 | .release = video_device_release_empty, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 919 | }; |
| 920 | |
| 921 | static struct pms_device pms_device; |
| 922 | |
| 923 | |
| 924 | /* |
| 925 | * Probe for and initialise the Mediavision PMS |
| 926 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 927 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 928 | static int init_mediavision(void) |
| 929 | { |
| 930 | int id; |
| 931 | int idec, decst; |
| 932 | int i; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 933 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 934 | unsigned char i2c_defs[]={ |
| 935 | 0x4C,0x30,0x00,0xE8, |
| 936 | 0xB6,0xE2,0x00,0x00, |
| 937 | 0xFF,0xFF,0x00,0x00, |
| 938 | 0x00,0x00,0x78,0x98, |
| 939 | 0x00,0x00,0x00,0x00, |
| 940 | 0x34,0x0A,0xF4,0xCE, |
| 941 | 0xE4 |
| 942 | }; |
| 943 | |
| 944 | mem = ioremap(mem_base, 0x800); |
| 945 | if (!mem) |
| 946 | return -ENOMEM; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 947 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 948 | if (!request_region(0x9A01, 1, "Mediavision PMS config")) |
| 949 | { |
| 950 | printk(KERN_WARNING "mediavision: unable to detect: 0x9A01 in use.\n"); |
| 951 | iounmap(mem); |
| 952 | return -EBUSY; |
| 953 | } |
| 954 | if (!request_region(io_port, 3, "Mediavision PMS")) |
| 955 | { |
| 956 | printk(KERN_WARNING "mediavision: I/O port %d in use.\n", io_port); |
| 957 | release_region(0x9A01, 1); |
| 958 | iounmap(mem); |
| 959 | return -EBUSY; |
| 960 | } |
| 961 | outb(0xB8, 0x9A01); /* Unlock */ |
| 962 | outb(io_port>>4, 0x9A01); /* Set IO port */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 963 | |
| 964 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 965 | id=mvv_read(3); |
| 966 | decst=pms_i2c_stat(0x43); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 967 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 968 | if(decst!=-1) |
| 969 | idec=2; |
| 970 | else if(pms_i2c_stat(0xb9)!=-1) |
| 971 | idec=3; |
| 972 | else if(pms_i2c_stat(0x8b)!=-1) |
| 973 | idec=1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 974 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 975 | idec=0; |
| 976 | |
| 977 | printk(KERN_INFO "PMS type is %d\n", idec); |
| 978 | if(idec == 0) { |
| 979 | release_region(io_port, 3); |
| 980 | release_region(0x9A01, 1); |
| 981 | iounmap(mem); |
| 982 | return -ENODEV; |
| 983 | } |
| 984 | |
| 985 | /* |
| 986 | * Ok we have a PMS of some sort |
| 987 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 988 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 989 | mvv_write(0x04, mem_base>>12); /* Set the memory area */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 990 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 991 | /* Ok now load the defaults */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 992 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | for(i=0;i<0x19;i++) |
| 994 | { |
| 995 | if(i2c_defs[i]==0xFF) |
| 996 | pms_i2c_andor(0x8A, i, 0x07,0x00); |
| 997 | else |
| 998 | pms_i2c_write(0x8A, i, i2c_defs[i]); |
| 999 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1000 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1001 | pms_i2c_write(0xB8,0x00,0x12); |
| 1002 | pms_i2c_write(0xB8,0x04,0x00); |
| 1003 | pms_i2c_write(0xB8,0x07,0x00); |
| 1004 | pms_i2c_write(0xB8,0x08,0x00); |
| 1005 | pms_i2c_write(0xB8,0x09,0xFF); |
| 1006 | pms_i2c_write(0xB8,0x0A,0x00); |
| 1007 | pms_i2c_write(0xB8,0x0B,0x10); |
| 1008 | pms_i2c_write(0xB8,0x10,0x03); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1009 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1010 | mvv_write(0x01, 0x00); |
| 1011 | mvv_write(0x05, 0xA0); |
| 1012 | mvv_write(0x08, 0x25); |
| 1013 | mvv_write(0x09, 0x00); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1014 | mvv_write(0x0A, 0x20|MVVMEMORYWIDTH); |
| 1015 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | mvv_write(0x10, 0x02); |
| 1017 | mvv_write(0x1E, 0x0C); |
| 1018 | mvv_write(0x1F, 0x03); |
| 1019 | mvv_write(0x26, 0x06); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1020 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1021 | mvv_write(0x2B, 0x00); |
| 1022 | mvv_write(0x2C, 0x20); |
| 1023 | mvv_write(0x2D, 0x00); |
| 1024 | mvv_write(0x2F, 0x70); |
| 1025 | mvv_write(0x32, 0x00); |
| 1026 | mvv_write(0x33, MVVMEMORYWIDTH); |
| 1027 | mvv_write(0x34, 0x00); |
| 1028 | mvv_write(0x35, 0x00); |
| 1029 | mvv_write(0x3A, 0x80); |
| 1030 | mvv_write(0x3B, 0x10); |
| 1031 | mvv_write(0x20, 0x00); |
| 1032 | mvv_write(0x21, 0x00); |
| 1033 | mvv_write(0x30, 0x22); |
| 1034 | return 0; |
| 1035 | } |
| 1036 | |
| 1037 | /* |
| 1038 | * Initialization and module stuff |
| 1039 | */ |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1040 | |
Rene Herman | b54ff93 | 2008-09-03 16:48:21 -0300 | [diff] [blame] | 1041 | #ifndef MODULE |
| 1042 | static int enable; |
| 1043 | module_param(enable, int, 0); |
| 1044 | #endif |
| 1045 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1046 | static int __init init_pms_cards(void) |
| 1047 | { |
| 1048 | printk(KERN_INFO "Mediavision Pro Movie Studio driver 0.02\n"); |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1049 | |
Rene Herman | b54ff93 | 2008-09-03 16:48:21 -0300 | [diff] [blame] | 1050 | #ifndef MODULE |
| 1051 | if (!enable) { |
Rene Herman | 4ce0b65 | 2008-09-03 16:48:23 -0300 | [diff] [blame] | 1052 | printk(KERN_INFO "PMS: not enabled, use pms.enable=1 to " |
| 1053 | "probe\n"); |
Rene Herman | b54ff93 | 2008-09-03 16:48:21 -0300 | [diff] [blame] | 1054 | return -ENODEV; |
| 1055 | } |
| 1056 | #endif |
| 1057 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1058 | data_port = io_port +1; |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1059 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1060 | if(init_mediavision()) |
| 1061 | { |
| 1062 | printk(KERN_INFO "Board not found.\n"); |
| 1063 | return -ENODEV; |
| 1064 | } |
| 1065 | memcpy(&pms_device, &pms_template, sizeof(pms_template)); |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1066 | mutex_init(&pms_device.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1067 | pms_device.height=240; |
| 1068 | pms_device.width=320; |
| 1069 | pms_swsense(75); |
| 1070 | pms_resolution(320,240); |
| 1071 | return video_register_device((struct video_device *)&pms_device, VFL_TYPE_GRABBER, video_nr); |
| 1072 | } |
| 1073 | |
| 1074 | module_param(io_port, int, 0); |
| 1075 | module_param(mem_base, int, 0); |
| 1076 | module_param(video_nr, int, 0); |
| 1077 | MODULE_LICENSE("GPL"); |
| 1078 | |
| 1079 | |
| 1080 | static void __exit shutdown_mediavision(void) |
| 1081 | { |
| 1082 | release_region(io_port,3); |
| 1083 | release_region(0x9A01, 1); |
| 1084 | } |
| 1085 | |
| 1086 | static void __exit cleanup_pms_module(void) |
| 1087 | { |
| 1088 | shutdown_mediavision(); |
| 1089 | video_unregister_device((struct video_device *)&pms_device); |
| 1090 | iounmap(mem); |
| 1091 | } |
| 1092 | |
| 1093 | module_init(init_pms_cards); |
| 1094 | module_exit(cleanup_pms_module); |
| 1095 | |