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