Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * stradis.c - stradis 4:2:2 mpeg decoder driver |
| 3 | * |
| 4 | * Stradis 4:2:2 MPEG-2 Decoder Driver |
| 5 | * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 20 | */ |
| 21 | |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/errno.h> |
| 25 | #include <linux/fs.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/major.h> |
| 28 | #include <linux/slab.h> |
| 29 | #include <linux/mm.h> |
| 30 | #include <linux/init.h> |
| 31 | #include <linux/poll.h> |
| 32 | #include <linux/pci.h> |
| 33 | #include <linux/signal.h> |
| 34 | #include <asm/io.h> |
| 35 | #include <linux/ioport.h> |
| 36 | #include <asm/pgtable.h> |
| 37 | #include <asm/page.h> |
| 38 | #include <linux/sched.h> |
| 39 | #include <asm/types.h> |
| 40 | #include <linux/types.h> |
| 41 | #include <linux/interrupt.h> |
| 42 | #include <asm/uaccess.h> |
| 43 | #include <linux/vmalloc.h> |
| 44 | #include <linux/videodev.h> |
Mauro Carvalho Chehab | 5e87efa | 2006-06-05 10:26:32 -0300 | [diff] [blame] | 45 | #include <media/v4l2-common.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | |
| 47 | #include "saa7146.h" |
| 48 | #include "saa7146reg.h" |
| 49 | #include "ibmmpeg2.h" |
| 50 | #include "saa7121.h" |
| 51 | #include "cs8420.h" |
| 52 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 53 | #define DEBUG(x) /* debug driver */ |
| 54 | #undef IDEBUG /* debug irq handler */ |
| 55 | #undef MDEBUG /* debug memory management */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
| 57 | #define SAA7146_MAX 6 |
| 58 | |
| 59 | static struct saa7146 saa7146s[SAA7146_MAX]; |
| 60 | |
| 61 | static int saa_num = 0; /* number of SAA7146s in use */ |
| 62 | |
| 63 | static int video_nr = -1; |
| 64 | module_param(video_nr, int, 0); |
| 65 | MODULE_LICENSE("GPL"); |
| 66 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | #define nDebNormal 0x00480000 |
| 68 | #define nDebNoInc 0x00480000 |
| 69 | #define nDebVideo 0xd0480000 |
| 70 | #define nDebAudio 0xd0400000 |
| 71 | #define nDebDMA 0x02c80000 |
| 72 | |
| 73 | #define oDebNormal 0x13c80000 |
| 74 | #define oDebNoInc 0x13c80000 |
| 75 | #define oDebVideo 0xd1080000 |
| 76 | #define oDebAudio 0xd1080000 |
| 77 | #define oDebDMA 0x03080000 |
| 78 | |
| 79 | #define NewCard (saa->boardcfg[3]) |
| 80 | #define ChipControl (saa->boardcfg[1]) |
| 81 | #define NTSCFirstActive (saa->boardcfg[4]) |
| 82 | #define PALFirstActive (saa->boardcfg[5]) |
| 83 | #define NTSCLastActive (saa->boardcfg[54]) |
| 84 | #define PALLastActive (saa->boardcfg[55]) |
| 85 | #define Have2MB (saa->boardcfg[18] & 0x40) |
| 86 | #define HaveCS8420 (saa->boardcfg[18] & 0x04) |
| 87 | #define IBMMPEGCD20 (saa->boardcfg[18] & 0x20) |
| 88 | #define HaveCS3310 (saa->boardcfg[18] & 0x01) |
| 89 | #define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31]) |
| 90 | #define HaveCS4341 (saa->boardcfg[40] == 2) |
| 91 | #define SDIType (saa->boardcfg[27]) |
| 92 | #define CurrentMode (saa->boardcfg[2]) |
| 93 | |
| 94 | #define debNormal (NewCard ? nDebNormal : oDebNormal) |
| 95 | #define debNoInc (NewCard ? nDebNoInc : oDebNoInc) |
| 96 | #define debVideo (NewCard ? nDebVideo : oDebVideo) |
| 97 | #define debAudio (NewCard ? nDebAudio : oDebAudio) |
| 98 | #define debDMA (NewCard ? nDebDMA : oDebDMA) |
| 99 | |
| 100 | #ifdef USE_RESCUE_EEPROM_SDM275 |
| 101 | static unsigned char rescue_eeprom[64] = { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 102 | 0x00, 0x01, 0x04, 0x13, 0x26, 0x0f, 0x10, 0x00, 0x00, 0x00, 0x43, 0x63, |
| 103 | 0x22, 0x01, 0x29, 0x15, 0x73, 0x00, 0x1f, 'd', 'e', 'c', 'x', 'l', |
| 104 | 'd', 'v', 'a', 0x02, 0x00, 0x01, 0x00, 0xcc, 0xa4, 0x63, 0x09, 0xe2, |
| 105 | 0x10, 0x00, 0x0a, 0x00, 0x02, 0x02, 'd', 'e', 'c', 'x', 'l', 'a', |
| 106 | 0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 107 | 0x00, 0x00, 0x00, 0x00, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | }; |
| 109 | #endif |
| 110 | |
| 111 | /* ----------------------------------------------------------------------- */ |
| 112 | /* Hardware I2C functions */ |
| 113 | static void I2CWipe(struct saa7146 *saa) |
| 114 | { |
| 115 | int i; |
| 116 | /* set i2c to ~=100kHz, abort transfer, clear busy */ |
| 117 | saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS); |
| 118 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | |
| 119 | SAA7146_MC2_UPLD_I2C, SAA7146_MC2); |
| 120 | /* wait for i2c registers to be programmed */ |
| 121 | for (i = 0; i < 1000 && |
| 122 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) |
| 123 | schedule(); |
| 124 | saawrite(0x600, SAA7146_I2C_STATUS); |
| 125 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | |
| 126 | SAA7146_MC2_UPLD_I2C, SAA7146_MC2); |
| 127 | /* wait for i2c registers to be programmed */ |
| 128 | for (i = 0; i < 1000 && |
| 129 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) |
| 130 | schedule(); |
| 131 | saawrite(0x600, SAA7146_I2C_STATUS); |
| 132 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | |
| 133 | SAA7146_MC2_UPLD_I2C, SAA7146_MC2); |
| 134 | /* wait for i2c registers to be programmed */ |
| 135 | for (i = 0; i < 1000 && |
| 136 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) |
| 137 | schedule(); |
| 138 | } |
| 139 | |
| 140 | /* read I2C */ |
| 141 | static int I2CRead(struct saa7146 *saa, unsigned char addr, |
| 142 | unsigned char subaddr, int dosub) |
| 143 | { |
| 144 | int i; |
| 145 | |
| 146 | if (saaread(SAA7146_I2C_STATUS) & 0x3c) |
| 147 | I2CWipe(saa); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 148 | for (i = 0; |
| 149 | i < 1000 && (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); |
| 150 | i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | schedule(); |
| 152 | if (i == 1000) |
| 153 | I2CWipe(saa); |
| 154 | if (dosub) |
| 155 | saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 156 | ((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | else |
| 158 | saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 159 | 0xf1, SAA7146_I2C_TRANSFER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | |
| 161 | SAA7146_MC2_UPLD_I2C, SAA7146_MC2); |
| 162 | /* wait for i2c registers to be programmed */ |
| 163 | for (i = 0; i < 1000 && |
| 164 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) |
| 165 | schedule(); |
| 166 | /* wait for valid data */ |
| 167 | for (i = 0; i < 1000 && |
| 168 | (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) |
| 169 | schedule(); |
| 170 | if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR) |
| 171 | return -1; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 172 | if (i == 1000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | printk("i2c setup read timeout\n"); |
| 174 | saawrite(0x41, SAA7146_I2C_TRANSFER); |
| 175 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | |
| 176 | SAA7146_MC2_UPLD_I2C, SAA7146_MC2); |
| 177 | /* wait for i2c registers to be programmed */ |
| 178 | for (i = 0; i < 1000 && |
| 179 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++) |
| 180 | schedule(); |
| 181 | /* wait for valid data */ |
| 182 | for (i = 0; i < 1000 && |
| 183 | (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++) |
| 184 | schedule(); |
| 185 | if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR) |
| 186 | return -1; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 187 | if (i == 1000) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | printk("i2c read timeout\n"); |
| 189 | return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff); |
| 190 | } |
| 191 | |
| 192 | /* set both to write both bytes, reset it to write only b1 */ |
| 193 | |
| 194 | static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1, |
| 195 | unsigned char b2, int both) |
| 196 | { |
| 197 | int i; |
| 198 | u32 data; |
| 199 | |
| 200 | if (saaread(SAA7146_I2C_STATUS) & 0x3c) |
| 201 | I2CWipe(saa); |
| 202 | for (i = 0; i < 1000 && |
| 203 | (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++) |
| 204 | schedule(); |
| 205 | if (i == 1000) |
| 206 | I2CWipe(saa); |
| 207 | data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16); |
| 208 | if (both) |
| 209 | data |= ((b2 & 0xff) << 8) | 0xe5; |
| 210 | else |
| 211 | data |= 0xd1; |
| 212 | saawrite(data, SAA7146_I2C_TRANSFER); |
| 213 | saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C, |
| 214 | SAA7146_MC2); |
| 215 | return 0; |
| 216 | } |
| 217 | |
| 218 | static void attach_inform(struct saa7146 *saa, int id) |
| 219 | { |
| 220 | int i; |
| 221 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 222 | DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr, |
| 223 | id)); |
| 224 | if (id == 0xa0) { /* we have rev2 or later board, fill in info */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | for (i = 0; i < 64; i++) |
| 226 | saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1); |
| 227 | #ifdef USE_RESCUE_EEPROM_SDM275 |
| 228 | if (saa->boardcfg[0] != 0) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 229 | printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE " |
| 230 | "BEEN IGNORED\n", saa->nr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | for (i = 0; i < 64; i++) |
| 232 | saa->boardcfg[i] = rescue_eeprom[i]; |
| 233 | } |
| 234 | #endif |
| 235 | printk("stradis%d: config =", saa->nr); |
| 236 | for (i = 0; i < 51; i++) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 237 | printk(" %02x", saa->boardcfg[i]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 238 | } |
| 239 | printk("\n"); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | static void I2CBusScan(struct saa7146 *saa) |
| 244 | { |
| 245 | int i; |
| 246 | for (i = 0; i < 0xff; i += 2) |
| 247 | if ((I2CRead(saa, i, 0, 0)) >= 0) |
| 248 | attach_inform(saa, i); |
| 249 | } |
| 250 | |
| 251 | static int debiwait_maxwait = 0; |
| 252 | |
| 253 | static int wait_for_debi_done(struct saa7146 *saa) |
| 254 | { |
| 255 | int i; |
| 256 | |
| 257 | /* wait for registers to be programmed */ |
| 258 | for (i = 0; i < 100000 && |
| 259 | !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++) |
| 260 | saaread(SAA7146_MC2); |
| 261 | /* wait for transfer to complete */ |
| 262 | for (i = 0; i < 500000 && |
| 263 | (saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++) |
| 264 | saaread(SAA7146_MC2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 265 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | if (i > debiwait_maxwait) |
| 267 | printk("wait-for-debi-done maxwait: %d\n", |
| 268 | debiwait_maxwait = i); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 269 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | if (i == 500000) |
| 271 | return -1; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | return 0; |
| 274 | } |
| 275 | |
| 276 | static int debiwrite(struct saa7146 *saa, u32 config, int addr, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 277 | u32 val, int count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | { |
| 279 | u32 cmd; |
| 280 | if (count <= 0 || count > 32764) |
| 281 | return -1; |
| 282 | if (wait_for_debi_done(saa) < 0) |
| 283 | return -1; |
| 284 | saawrite(config, SAA7146_DEBI_CONFIG); |
| 285 | if (count <= 4) /* immediate transfer */ |
| 286 | saawrite(val, SAA7146_DEBI_AD); |
| 287 | else /* block transfer */ |
| 288 | saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); |
| 289 | saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND); |
| 290 | saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, |
| 291 | SAA7146_MC2); |
| 292 | return 0; |
| 293 | } |
| 294 | |
| 295 | static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count) |
| 296 | { |
| 297 | u32 result = 0; |
| 298 | |
| 299 | if (count > 32764 || count <= 0) |
| 300 | return 0; |
| 301 | if (wait_for_debi_done(saa) < 0) |
| 302 | return 0; |
| 303 | saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD); |
| 304 | saawrite((count << 17) | 0x10000 | (addr & 0xffff), |
| 305 | SAA7146_DEBI_COMMAND); |
| 306 | saawrite(config, SAA7146_DEBI_CONFIG); |
| 307 | saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI, |
| 308 | SAA7146_MC2); |
| 309 | if (count > 4) /* not an immediate transfer */ |
| 310 | return count; |
| 311 | wait_for_debi_done(saa); |
| 312 | result = saaread(SAA7146_DEBI_AD); |
| 313 | if (count == 1) |
| 314 | result &= 0xff; |
| 315 | if (count == 2) |
| 316 | result &= 0xffff; |
| 317 | if (count == 3) |
| 318 | result &= 0xffffff; |
| 319 | return result; |
| 320 | } |
| 321 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | static void do_irq_send_data(struct saa7146 *saa) |
| 323 | { |
| 324 | int split, audbytes, vidbytes; |
| 325 | |
| 326 | saawrite(SAA7146_PSR_PIN1, SAA7146_IER); |
| 327 | /* if special feature mode in effect, disable audio sending */ |
| 328 | if (saa->playmode != VID_PLAY_NORMAL) |
| 329 | saa->audtail = saa->audhead = 0; |
| 330 | if (saa->audhead <= saa->audtail) |
| 331 | audbytes = saa->audtail - saa->audhead; |
| 332 | else |
| 333 | audbytes = 65536 - (saa->audhead - saa->audtail); |
| 334 | if (saa->vidhead <= saa->vidtail) |
| 335 | vidbytes = saa->vidtail - saa->vidhead; |
| 336 | else |
| 337 | vidbytes = 524288 - (saa->vidhead - saa->vidtail); |
| 338 | if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) { |
| 339 | saawrite(0, SAA7146_IER); |
| 340 | return; |
| 341 | } |
| 342 | /* if at least 1 block audio waiting and audio fifo isn't full */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 343 | if (audbytes >= 2048 && (debiread(saa, debNormal, IBM_MP2_AUD_FIFO, 2) |
| 344 | & 0xff) < 60) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 345 | if (saa->audhead > saa->audtail) |
| 346 | split = 65536 - saa->audhead; |
| 347 | else |
| 348 | split = 0; |
| 349 | audbytes = 2048; |
| 350 | if (split > 0 && split < 2048) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 351 | memcpy(saa->dmadebi, saa->audbuf + saa->audhead, split); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | saa->audhead = 0; |
| 353 | audbytes -= split; |
| 354 | } else |
| 355 | split = 0; |
| 356 | memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead, |
| 357 | audbytes); |
| 358 | saa->audhead += audbytes; |
| 359 | saa->audhead &= 0xffff; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 360 | debiwrite(saa, debAudio, (NewCard ? IBM_MP2_AUD_FIFO : |
| 361 | IBM_MP2_AUD_FIFOW), 0, 2048); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | wake_up_interruptible(&saa->audq); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 363 | /* if at least 1 block video waiting and video fifo isn't full */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | } else if (vidbytes >= 30720 && (debiread(saa, debNormal, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 365 | IBM_MP2_FIFO, 2)) < 16384) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 366 | if (saa->vidhead > saa->vidtail) |
| 367 | split = 524288 - saa->vidhead; |
| 368 | else |
| 369 | split = 0; |
| 370 | vidbytes = 30720; |
| 371 | if (split > 0 && split < 30720) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 372 | memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead, split); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 373 | saa->vidhead = 0; |
| 374 | vidbytes -= split; |
| 375 | } else |
| 376 | split = 0; |
| 377 | memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead, |
| 378 | vidbytes); |
| 379 | saa->vidhead += vidbytes; |
| 380 | saa->vidhead &= 0x7ffff; |
| 381 | debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO : |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 382 | IBM_MP2_FIFOW), 0, 30720); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 383 | wake_up_interruptible(&saa->vidq); |
| 384 | } |
| 385 | saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER); |
| 386 | } |
| 387 | |
| 388 | static void send_osd_data(struct saa7146 *saa) |
| 389 | { |
| 390 | int size = saa->osdtail - saa->osdhead; |
| 391 | if (size > 30720) |
| 392 | size = 30720; |
| 393 | /* ensure some multiple of 8 bytes is transferred */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 394 | size = 8 * ((size + 8) >> 3); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 395 | if (size) { |
| 396 | debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 397 | (saa->osdhead >> 3), 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size); |
| 399 | saa->osdhead += size; |
| 400 | /* block transfer of next 8 bytes to ~32k bytes */ |
| 401 | debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size); |
| 402 | } |
| 403 | if (saa->osdhead >= saa->osdtail) { |
| 404 | saa->osdhead = saa->osdtail = 0; |
| 405 | debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | static irqreturn_t saa7146_irq(int irq, void *dev_id, struct pt_regs *regs) |
| 410 | { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 411 | struct saa7146 *saa = dev_id; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | u32 stat, astat; |
| 413 | int count; |
| 414 | int handled = 0; |
| 415 | |
| 416 | count = 0; |
| 417 | while (1) { |
| 418 | /* get/clear interrupt status bits */ |
| 419 | stat = saaread(SAA7146_ISR); |
| 420 | astat = stat & saaread(SAA7146_IER); |
| 421 | if (!astat) |
| 422 | break; |
| 423 | handled = 1; |
| 424 | saawrite(astat, SAA7146_ISR); |
| 425 | if (astat & SAA7146_PSR_DEBI_S) { |
| 426 | do_irq_send_data(saa); |
| 427 | } |
| 428 | if (astat & SAA7146_PSR_PIN1) { |
| 429 | int istat; |
| 430 | /* the following read will trigger DEBI_S */ |
| 431 | istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); |
| 432 | if (istat & 1) { |
| 433 | saawrite(0, SAA7146_IER); |
| 434 | send_osd_data(saa); |
| 435 | saawrite(SAA7146_PSR_DEBI_S | |
| 436 | SAA7146_PSR_PIN1, SAA7146_IER); |
| 437 | } |
| 438 | if (istat & 0x20) { /* Video Start */ |
| 439 | saa->vidinfo.frame_count++; |
| 440 | } |
| 441 | if (istat & 0x400) { /* Picture Start */ |
| 442 | /* update temporal reference */ |
| 443 | } |
| 444 | if (istat & 0x200) { /* Picture Resolution Change */ |
| 445 | /* read new resolution */ |
| 446 | } |
| 447 | if (istat & 0x100) { /* New User Data found */ |
| 448 | /* read new user data */ |
| 449 | } |
| 450 | if (istat & 0x1000) { /* new GOP/SMPTE */ |
| 451 | /* read new SMPTE */ |
| 452 | } |
| 453 | if (istat & 0x8000) { /* Sequence Start Code */ |
| 454 | /* reset frame counter, load sizes */ |
| 455 | saa->vidinfo.frame_count = 0; |
| 456 | saa->vidinfo.h_size = 704; |
| 457 | saa->vidinfo.v_size = 480; |
| 458 | #if 0 |
| 459 | if (saa->endmarkhead != saa->endmarktail) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 460 | saa->audhead = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 461 | saa->endmark[saa->endmarkhead]; |
| 462 | saa->endmarkhead++; |
| 463 | if (saa->endmarkhead >= MAX_MARKS) |
| 464 | saa->endmarkhead = 0; |
| 465 | } |
| 466 | #endif |
| 467 | } |
| 468 | if (istat & 0x4000) { /* Sequence Error Code */ |
| 469 | if (saa->endmarkhead != saa->endmarktail) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 470 | saa->audhead = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 471 | saa->endmark[saa->endmarkhead]; |
| 472 | saa->endmarkhead++; |
| 473 | if (saa->endmarkhead >= MAX_MARKS) |
| 474 | saa->endmarkhead = 0; |
| 475 | } |
| 476 | } |
| 477 | } |
| 478 | #ifdef IDEBUG |
| 479 | if (astat & SAA7146_PSR_PPEF) { |
| 480 | IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr)); |
| 481 | } |
| 482 | if (astat & SAA7146_PSR_PABO) { |
| 483 | IDEBUG(printk("stradis%d irq: PABO\n", saa->nr)); |
| 484 | } |
| 485 | if (astat & SAA7146_PSR_PPED) { |
| 486 | IDEBUG(printk("stradis%d irq: PPED\n", saa->nr)); |
| 487 | } |
| 488 | if (astat & SAA7146_PSR_RPS_I1) { |
| 489 | IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr)); |
| 490 | } |
| 491 | if (astat & SAA7146_PSR_RPS_I0) { |
| 492 | IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr)); |
| 493 | } |
| 494 | if (astat & SAA7146_PSR_RPS_LATE1) { |
| 495 | IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr)); |
| 496 | } |
| 497 | if (astat & SAA7146_PSR_RPS_LATE0) { |
| 498 | IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr)); |
| 499 | } |
| 500 | if (astat & SAA7146_PSR_RPS_E1) { |
| 501 | IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr)); |
| 502 | } |
| 503 | if (astat & SAA7146_PSR_RPS_E0) { |
| 504 | IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr)); |
| 505 | } |
| 506 | if (astat & SAA7146_PSR_RPS_TO1) { |
| 507 | IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr)); |
| 508 | } |
| 509 | if (astat & SAA7146_PSR_RPS_TO0) { |
| 510 | IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr)); |
| 511 | } |
| 512 | if (astat & SAA7146_PSR_UPLD) { |
| 513 | IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr)); |
| 514 | } |
| 515 | if (astat & SAA7146_PSR_DEBI_E) { |
| 516 | IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr)); |
| 517 | } |
| 518 | if (astat & SAA7146_PSR_I2C_S) { |
| 519 | IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr)); |
| 520 | } |
| 521 | if (astat & SAA7146_PSR_I2C_E) { |
| 522 | IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr)); |
| 523 | } |
| 524 | if (astat & SAA7146_PSR_A2_IN) { |
| 525 | IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr)); |
| 526 | } |
| 527 | if (astat & SAA7146_PSR_A2_OUT) { |
| 528 | IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr)); |
| 529 | } |
| 530 | if (astat & SAA7146_PSR_A1_IN) { |
| 531 | IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr)); |
| 532 | } |
| 533 | if (astat & SAA7146_PSR_A1_OUT) { |
| 534 | IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr)); |
| 535 | } |
| 536 | if (astat & SAA7146_PSR_AFOU) { |
| 537 | IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr)); |
| 538 | } |
| 539 | if (astat & SAA7146_PSR_V_PE) { |
| 540 | IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr)); |
| 541 | } |
| 542 | if (astat & SAA7146_PSR_VFOU) { |
| 543 | IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr)); |
| 544 | } |
| 545 | if (astat & SAA7146_PSR_FIDA) { |
| 546 | IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr)); |
| 547 | } |
| 548 | if (astat & SAA7146_PSR_FIDB) { |
| 549 | IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr)); |
| 550 | } |
| 551 | if (astat & SAA7146_PSR_PIN3) { |
| 552 | IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr)); |
| 553 | } |
| 554 | if (astat & SAA7146_PSR_PIN2) { |
| 555 | IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr)); |
| 556 | } |
| 557 | if (astat & SAA7146_PSR_PIN0) { |
| 558 | IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr)); |
| 559 | } |
| 560 | if (astat & SAA7146_PSR_ECS) { |
| 561 | IDEBUG(printk("stradis%d irq: ECS\n", saa->nr)); |
| 562 | } |
| 563 | if (astat & SAA7146_PSR_EC3S) { |
| 564 | IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr)); |
| 565 | } |
| 566 | if (astat & SAA7146_PSR_EC0S) { |
| 567 | IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr)); |
| 568 | } |
| 569 | #endif |
| 570 | count++; |
| 571 | if (count > 15) |
| 572 | printk(KERN_WARNING "stradis%d: irq loop %d\n", |
| 573 | saa->nr, count); |
| 574 | if (count > 20) { |
| 575 | saawrite(0, SAA7146_IER); |
| 576 | printk(KERN_ERR |
| 577 | "stradis%d: IRQ loop cleared\n", saa->nr); |
| 578 | } |
| 579 | } |
| 580 | return IRQ_RETVAL(handled); |
| 581 | } |
| 582 | |
| 583 | static int ibm_send_command(struct saa7146 *saa, |
| 584 | int command, int data, int chain) |
| 585 | { |
| 586 | int i; |
| 587 | |
| 588 | if (chain) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 589 | debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1)| 1,2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 590 | else |
| 591 | debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2); |
| 592 | debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2); |
| 593 | debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2); |
| 594 | for (i = 0; i < 100 && |
| 595 | (debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++) |
| 596 | schedule(); |
| 597 | if (i == 100) |
| 598 | return -1; |
| 599 | return 0; |
| 600 | } |
| 601 | |
| 602 | static void cs4341_setlevel(struct saa7146 *saa, int left, int right) |
| 603 | { |
| 604 | I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2); |
| 605 | I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2); |
| 606 | } |
| 607 | |
| 608 | static void initialize_cs4341(struct saa7146 *saa) |
| 609 | { |
| 610 | int i; |
| 611 | for (i = 0; i < 200; i++) { |
| 612 | /* auto mute off, power on, no de-emphasis */ |
| 613 | /* I2S data up to 24-bit 64xFs internal SCLK */ |
| 614 | I2CWrite(saa, 0x22, 0x01, 0x11, 2); |
| 615 | /* ATAPI mixer settings */ |
| 616 | I2CWrite(saa, 0x22, 0x02, 0x49, 2); |
| 617 | /* attenuation left 3db */ |
| 618 | I2CWrite(saa, 0x22, 0x03, 0x00, 2); |
| 619 | /* attenuation right 3db */ |
| 620 | I2CWrite(saa, 0x22, 0x04, 0x00, 2); |
| 621 | I2CWrite(saa, 0x22, 0x01, 0x10, 2); |
| 622 | if (I2CRead(saa, 0x22, 0x02, 1) == 0x49) |
| 623 | break; |
| 624 | schedule(); |
| 625 | } |
| 626 | printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i); |
| 627 | return; |
| 628 | } |
| 629 | |
| 630 | static void initialize_cs8420(struct saa7146 *saa, int pro) |
| 631 | { |
| 632 | int i; |
| 633 | u8 *sequence; |
| 634 | if (pro) |
| 635 | sequence = mode8420pro; |
| 636 | else |
| 637 | sequence = mode8420con; |
| 638 | for (i = 0; i < INIT8420LEN; i++) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 639 | I2CWrite(saa, 0x20, init8420[i * 2], init8420[i * 2 + 1], 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 640 | for (i = 0; i < MODE8420LEN; i++) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 641 | I2CWrite(saa, 0x20, sequence[i * 2], sequence[i * 2 + 1], 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 642 | printk("stradis%d: CS8420 initialized\n", saa->nr); |
| 643 | } |
| 644 | |
| 645 | static void initialize_saa7121(struct saa7146 *saa, int dopal) |
| 646 | { |
| 647 | int i, mod; |
| 648 | u8 *sequence; |
| 649 | if (dopal) |
| 650 | sequence = init7121pal; |
| 651 | else |
| 652 | sequence = init7121ntsc; |
| 653 | mod = saaread(SAA7146_PSR) & 0x08; |
| 654 | /* initialize PAL/NTSC video encoder */ |
| 655 | for (i = 0; i < INIT7121LEN; i++) { |
| 656 | if (NewCard) { /* handle new card encoder differences */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 657 | if (sequence[i * 2] == 0x3a) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 658 | I2CWrite(saa, 0x88, 0x3a, 0x13, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 659 | else if (sequence[i * 2] == 0x6b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 660 | I2CWrite(saa, 0x88, 0x6b, 0x20, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 661 | else if (sequence[i * 2] == 0x6c) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 662 | I2CWrite(saa, 0x88, 0x6c, |
| 663 | dopal ? 0x09 : 0xf5, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 664 | else if (sequence[i * 2] == 0x6d) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 665 | I2CWrite(saa, 0x88, 0x6d, |
| 666 | dopal ? 0x20 : 0x00, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 667 | else if (sequence[i * 2] == 0x7a) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 668 | I2CWrite(saa, 0x88, 0x7a, |
| 669 | dopal ? (PALFirstActive - 1) : |
| 670 | (NTSCFirstActive - 4), 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 671 | else if (sequence[i * 2] == 0x7b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 672 | I2CWrite(saa, 0x88, 0x7b, |
| 673 | dopal ? PALLastActive : |
| 674 | NTSCLastActive, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 675 | else |
| 676 | I2CWrite(saa, 0x88, sequence[i * 2], |
| 677 | sequence[i * 2 + 1], 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 678 | } else { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 679 | if (sequence[i * 2] == 0x6b && mod) |
| 680 | I2CWrite(saa, 0x88, 0x6b, |
| 681 | (sequence[i * 2 + 1] ^ 0x09), 2); |
| 682 | else if (sequence[i * 2] == 0x7a) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 683 | I2CWrite(saa, 0x88, 0x7a, |
| 684 | dopal ? (PALFirstActive - 1) : |
| 685 | (NTSCFirstActive - 4), 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 686 | else if (sequence[i * 2] == 0x7b) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 687 | I2CWrite(saa, 0x88, 0x7b, |
| 688 | dopal ? PALLastActive : |
| 689 | NTSCLastActive, 2); |
| 690 | else |
| 691 | I2CWrite(saa, 0x88, sequence[i * 2], |
| 692 | sequence[i * 2 + 1], 2); |
| 693 | } |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | static void set_genlock_offset(struct saa7146 *saa, int noffset) |
| 698 | { |
| 699 | int nCode; |
| 700 | int PixelsPerLine = 858; |
| 701 | if (CurrentMode == VIDEO_MODE_PAL) |
| 702 | PixelsPerLine = 864; |
| 703 | if (noffset > 500) |
| 704 | noffset = 500; |
| 705 | else if (noffset < -500) |
| 706 | noffset = -500; |
| 707 | nCode = noffset + 0x100; |
| 708 | if (nCode == 1) |
| 709 | nCode = 0x401; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 710 | else if (nCode < 1) |
| 711 | nCode = 0x400 + PixelsPerLine + nCode; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 712 | debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2); |
| 713 | } |
| 714 | |
| 715 | static void set_out_format(struct saa7146 *saa, int mode) |
| 716 | { |
| 717 | initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1)); |
| 718 | saa->boardcfg[2] = mode; |
| 719 | /* do not adjust analog video parameters here, use saa7121 init */ |
| 720 | /* you will affect the SDI output on the new card */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 721 | if (mode == VIDEO_MODE_PAL) { /* PAL */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 722 | debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2); |
| 723 | mdelay(50); |
| 724 | saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1); |
| 725 | if (NewCard) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 726 | debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, 0xe100, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | mdelay(50); |
| 728 | } |
| 729 | debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 730 | NewCard ? 0xe500 : 0x6500, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 731 | debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, |
| 732 | (1 << 8) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 733 | (NewCard ? PALFirstActive : PALFirstActive - 6), 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 734 | } else { /* NTSC */ |
| 735 | debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2); |
| 736 | mdelay(50); |
| 737 | saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1); |
| 738 | debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 739 | NewCard ? 0xe100 : 0x6100, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 740 | debiwrite(saa, debNormal, IBM_MP2_DISP_DLY, |
| 741 | (1 << 8) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 742 | (NewCard ? NTSCFirstActive : NTSCFirstActive - 6), 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | } |
| 744 | } |
| 745 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 746 | /* Intialize bitmangler to map from a byte value to the mangled word that |
| 747 | * must be output to program the Xilinx part through the DEBI port. |
| 748 | * Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0 |
| 749 | * transfer FPGA code, init IBM chip, transfer IBM microcode |
| 750 | * rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0 |
| 751 | */ |
| 752 | static u16 bitmangler[256]; |
| 753 | |
| 754 | static int initialize_fpga(struct video_code *bitdata) |
| 755 | { |
| 756 | int i, num, startindex, failure = 0, loadtwo, loadfile = 0; |
| 757 | u16 *dmabuf; |
| 758 | u8 *newdma; |
| 759 | struct saa7146 *saa; |
| 760 | |
| 761 | /* verify fpga code */ |
| 762 | for (startindex = 0; startindex < bitdata->datasize; startindex++) |
| 763 | if (bitdata->data[startindex] == 255) |
| 764 | break; |
| 765 | if (startindex == bitdata->datasize) { |
| 766 | printk(KERN_INFO "stradis: bad fpga code\n"); |
| 767 | return -1; |
| 768 | } |
| 769 | /* initialize all detected cards */ |
| 770 | for (num = 0; num < saa_num; num++) { |
| 771 | saa = &saa7146s[num]; |
| 772 | if (saa->boardcfg[0] > 20) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 773 | continue; /* card was programmed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 774 | loadtwo = (saa->boardcfg[18] & 0x10); |
| 775 | if (!NewCard) /* we have an old board */ |
| 776 | for (i = 0; i < 256; i++) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 777 | bitmangler[i] = ((i & 0x01) << 15) | |
| 778 | ((i & 0x02) << 6) | ((i & 0x04) << 4) | |
| 779 | ((i & 0x08) << 9) | ((i & 0x10) << 7) | |
| 780 | ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | |
| 781 | ((i & 0x80) >> 7); |
| 782 | else /* else we have a new board */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 783 | for (i = 0; i < 256; i++) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 784 | bitmangler[i] = ((i & 0x01) << 7) | |
| 785 | ((i & 0x02) << 5) | ((i & 0x04) << 3) | |
| 786 | ((i & 0x08) << 1) | ((i & 0x10) >> 1) | |
| 787 | ((i & 0x20) >> 3) | ((i & 0x40) >> 5) | |
| 788 | ((i & 0x80) >> 7); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 789 | |
| 790 | dmabuf = (u16 *) saa->dmadebi; |
| 791 | newdma = (u8 *) saa->dmadebi; |
| 792 | if (NewCard) { /* SDM2xxx */ |
| 793 | if (!strncmp(bitdata->loadwhat, "decoder2", 8)) |
| 794 | continue; /* fpga not for this card */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 795 | if (!strncmp(&saa->boardcfg[42], bitdata->loadwhat, 8)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 796 | loadfile = 1; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 797 | else if (loadtwo && !strncmp(&saa->boardcfg[19], |
| 798 | bitdata->loadwhat, 8)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 799 | loadfile = 2; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 800 | else if (!saa->boardcfg[42] && !strncmp("decxl", |
| 801 | bitdata->loadwhat, 8)) |
| 802 | loadfile = 1; /* special */ |
| 803 | else |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 804 | continue; /* fpga not for this card */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 805 | if (loadfile != 1 && loadfile != 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 806 | continue; /* skip to next card */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 807 | if (saa->boardcfg[0] && loadfile == 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 808 | continue; /* skip to next card */ |
| 809 | if (saa->boardcfg[0] != 1 && loadfile == 2) |
| 810 | continue; /* skip to next card */ |
| 811 | saa->boardcfg[0]++; /* mark fpga handled */ |
| 812 | printk("stradis%d: loading %s\n", saa->nr, |
| 813 | bitdata->loadwhat); |
| 814 | if (loadtwo && loadfile == 2) |
| 815 | goto send_fpga_stuff; |
| 816 | /* turn on the Audio interface to set PROG low */ |
| 817 | saawrite(0x00400040, SAA7146_GPIO_CTRL); |
| 818 | saaread(SAA7146_PSR); /* ensure posted write */ |
| 819 | /* wait for everyone to reset */ |
| 820 | mdelay(10); |
| 821 | saawrite(0x00400000, SAA7146_GPIO_CTRL); |
| 822 | } else { /* original card */ |
| 823 | if (strncmp(bitdata->loadwhat, "decoder2", 8)) |
| 824 | continue; /* fpga not for this card */ |
| 825 | /* Pull the Xilinx PROG signal WS3 low */ |
| 826 | saawrite(0x02000200, SAA7146_MC1); |
| 827 | /* Turn on the Audio interface so can set PROG low */ |
| 828 | saawrite(0x000000c0, SAA7146_ACON1); |
| 829 | /* Pull the Xilinx INIT signal (GPIO2) low */ |
| 830 | saawrite(0x00400000, SAA7146_GPIO_CTRL); |
| 831 | /* Make sure everybody resets */ |
| 832 | saaread(SAA7146_PSR); /* ensure posted write */ |
| 833 | mdelay(10); |
| 834 | /* Release the Xilinx PROG signal */ |
| 835 | saawrite(0x00000000, SAA7146_ACON1); |
| 836 | /* Turn off the Audio interface */ |
| 837 | saawrite(0x02000000, SAA7146_MC1); |
| 838 | } |
| 839 | /* Release Xilinx INIT signal (WS2) */ |
| 840 | saawrite(0x00000000, SAA7146_GPIO_CTRL); |
| 841 | /* Wait for the INIT to go High */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 842 | for (i = 0; |
| 843 | i < 10000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); |
| 844 | i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 845 | schedule(); |
| 846 | if (i == 1000) { |
| 847 | printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr); |
| 848 | return -1; |
| 849 | } |
| 850 | send_fpga_stuff: |
| 851 | if (NewCard) { |
| 852 | for (i = startindex; i < bitdata->datasize; i++) |
| 853 | newdma[i - startindex] = |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 854 | bitmangler[bitdata->data[i]]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 855 | debiwrite(saa, 0x01420000, 0, 0, |
| 856 | ((bitdata->datasize - startindex) + 5)); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 857 | if (loadtwo && loadfile == 1) { |
| 858 | printk("stradis%d: awaiting 2nd FPGA bitfile\n", |
| 859 | saa->nr); |
| 860 | continue; /* skip to next card */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 861 | } |
| 862 | } else { |
| 863 | for (i = startindex; i < bitdata->datasize; i++) |
| 864 | dmabuf[i - startindex] = |
| 865 | bitmangler[bitdata->data[i]]; |
| 866 | debiwrite(saa, 0x014a0000, 0, 0, |
| 867 | ((bitdata->datasize - startindex) + 5) * 2); |
| 868 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 869 | for (i = 0; |
| 870 | i < 1000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); |
| 871 | i++) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 872 | schedule(); |
| 873 | if (i == 1000) { |
| 874 | printk(KERN_INFO "stradis%d: FPGA load failed\n", |
| 875 | saa->nr); |
| 876 | failure++; |
| 877 | continue; |
| 878 | } |
| 879 | if (!NewCard) { |
| 880 | /* Pull the Xilinx INIT signal (GPIO2) low */ |
| 881 | saawrite(0x00400000, SAA7146_GPIO_CTRL); |
| 882 | saaread(SAA7146_PSR); /* ensure posted write */ |
| 883 | mdelay(2); |
| 884 | saawrite(0x00000000, SAA7146_GPIO_CTRL); |
| 885 | mdelay(2); |
| 886 | } |
| 887 | printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr); |
| 888 | saa->boardcfg[0] = 26; /* mark fpga programmed */ |
| 889 | /* set VXCO to its lowest frequency */ |
| 890 | debiwrite(saa, debNormal, XILINX_PWM, 0, 2); |
| 891 | if (NewCard) { |
| 892 | /* mute CS3310 */ |
| 893 | if (HaveCS3310) |
| 894 | debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 895 | 0, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 896 | /* set VXCO to PWM mode, release reset, blank on */ |
| 897 | debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2); |
| 898 | mdelay(10); |
| 899 | /* unmute CS3310 */ |
| 900 | if (HaveCS3310) |
| 901 | debiwrite(saa, debNormal, XILINX_CTL0, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 902 | 0x2020, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | } |
| 904 | /* set source Black */ |
| 905 | debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); |
| 906 | saa->boardcfg[4] = 22; /* set NTSC First Active Line */ |
| 907 | saa->boardcfg[5] = 23; /* set PAL First Active Line */ |
| 908 | saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */ |
| 909 | saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */ |
| 910 | set_out_format(saa, VIDEO_MODE_NTSC); |
| 911 | mdelay(50); |
| 912 | /* begin IBM chip init */ |
| 913 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); |
| 914 | saaread(SAA7146_PSR); /* wait for reset */ |
| 915 | mdelay(5); |
| 916 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); |
| 917 | debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); |
| 918 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2); |
| 919 | debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2); |
| 920 | debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); |
| 921 | if (NewCard) { |
| 922 | mdelay(5); |
| 923 | /* set i2s rate converter to 48KHz */ |
| 924 | debiwrite(saa, debNormal, 0x80c0, 6, 2); |
| 925 | /* we must init CS8420 first since rev b pulls i2s */ |
| 926 | /* master clock low and CS4341 needs i2s master to */ |
| 927 | /* run the i2c port. */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 928 | if (HaveCS8420) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 929 | /* 0=consumer, 1=pro */ |
| 930 | initialize_cs8420(saa, 0); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 931 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 932 | mdelay(5); |
| 933 | if (HaveCS4341) |
| 934 | initialize_cs4341(saa); |
| 935 | } |
| 936 | debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); |
| 937 | debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); |
| 938 | debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); |
| 939 | debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); |
| 940 | if (NewCard) |
| 941 | set_genlock_offset(saa, 0); |
| 942 | debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); |
| 943 | #if 0 |
| 944 | /* enable genlock */ |
| 945 | debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2); |
| 946 | #else |
| 947 | /* disable genlock */ |
| 948 | debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2); |
| 949 | #endif |
| 950 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 951 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 952 | return failure; |
| 953 | } |
| 954 | |
| 955 | static int do_ibm_reset(struct saa7146 *saa) |
| 956 | { |
| 957 | /* failure if decoder not previously programmed */ |
| 958 | if (saa->boardcfg[0] < 37) |
| 959 | return -EIO; |
| 960 | /* mute CS3310 */ |
| 961 | if (HaveCS3310) |
| 962 | debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2); |
| 963 | /* disable interrupts */ |
| 964 | saawrite(0, SAA7146_IER); |
| 965 | saa->audhead = saa->audtail = 0; |
| 966 | saa->vidhead = saa->vidtail = 0; |
| 967 | /* tristate debi bus, disable debi transfers */ |
| 968 | saawrite(0x00880000, SAA7146_MC1); |
| 969 | /* ensure posted write */ |
| 970 | saaread(SAA7146_MC1); |
| 971 | mdelay(50); |
| 972 | /* re-enable debi transfers */ |
| 973 | saawrite(0x00880088, SAA7146_MC1); |
| 974 | /* set source Black */ |
| 975 | debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2); |
| 976 | /* begin IBM chip init */ |
| 977 | set_out_format(saa, CurrentMode); |
| 978 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2); |
| 979 | saaread(SAA7146_PSR); /* wait for reset */ |
| 980 | mdelay(5); |
| 981 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2); |
| 982 | debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2); |
| 983 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); |
| 984 | debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2); |
| 985 | if (NewCard) { |
| 986 | mdelay(5); |
| 987 | /* set i2s rate converter to 48KHz */ |
| 988 | debiwrite(saa, debNormal, 0x80c0, 6, 2); |
| 989 | /* we must init CS8420 first since rev b pulls i2s */ |
| 990 | /* master clock low and CS4341 needs i2s master to */ |
| 991 | /* run the i2c port. */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 992 | if (HaveCS8420) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 993 | /* 0=consumer, 1=pro */ |
| 994 | initialize_cs8420(saa, 1); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 995 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 996 | mdelay(5); |
| 997 | if (HaveCS4341) |
| 998 | initialize_cs4341(saa); |
| 999 | } |
| 1000 | debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2); |
| 1001 | debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2); |
| 1002 | debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2); |
| 1003 | debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2); |
| 1004 | if (NewCard) |
| 1005 | set_genlock_offset(saa, 0); |
| 1006 | debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2); |
| 1007 | debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); |
| 1008 | debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); |
| 1009 | if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1010 | (ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1011 | printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr); |
| 1012 | } |
| 1013 | if (HaveCS3310) { |
| 1014 | int i = CS3310MaxLvl; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1015 | debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i << 8)| i),2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1016 | } |
| 1017 | /* start video decoder */ |
| 1018 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2); |
| 1019 | /* 256k vid, 3520 bytes aud */ |
| 1020 | debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2); |
| 1021 | debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); |
| 1022 | ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); |
| 1023 | /* enable buffer threshold irq */ |
| 1024 | debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); |
| 1025 | /* clear pending interrupts */ |
| 1026 | debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); |
| 1027 | debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1028 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1029 | return 0; |
| 1030 | } |
| 1031 | |
| 1032 | /* load the decoder microcode */ |
| 1033 | static int initialize_ibmmpeg2(struct video_code *microcode) |
| 1034 | { |
| 1035 | int i, num; |
| 1036 | struct saa7146 *saa; |
| 1037 | |
| 1038 | for (num = 0; num < saa_num; num++) { |
| 1039 | saa = &saa7146s[num]; |
| 1040 | /* check that FPGA is loaded */ |
| 1041 | debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1042 | i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2); |
| 1043 | if (i != 0xa55a) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1044 | printk(KERN_INFO "stradis%d: %04x != 0xa55a\n", |
| 1045 | saa->nr, i); |
| 1046 | #if 0 |
| 1047 | return -1; |
| 1048 | #endif |
| 1049 | } |
| 1050 | if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) { |
| 1051 | if (saa->boardcfg[0] > 27) |
| 1052 | continue; /* skip to next card */ |
| 1053 | /* load video control store */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1054 | saa->boardcfg[1] = 0x13; /* no-sync default */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1055 | debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); |
| 1056 | debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); |
| 1057 | for (i = 0; i < microcode->datasize / 2; i++) |
| 1058 | debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA, |
| 1059 | (microcode->data[i * 2] << 8) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1060 | microcode->data[i * 2 + 1], 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1061 | debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2); |
| 1062 | debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); |
| 1063 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1064 | ChipControl, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1065 | saa->boardcfg[0] = 28; |
| 1066 | } |
| 1067 | if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) { |
| 1068 | if (saa->boardcfg[0] > 35) |
| 1069 | continue; /* skip to next card */ |
| 1070 | /* load audio control store */ |
| 1071 | debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2); |
| 1072 | debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); |
| 1073 | for (i = 0; i < microcode->datasize; i++) |
| 1074 | debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA, |
| 1075 | microcode->data[i], 1); |
| 1076 | debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2); |
| 1077 | debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2); |
| 1078 | debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2); |
| 1079 | debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2); |
| 1080 | if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1081 | 0xe000, 1)) { |
| 1082 | printk(KERN_ERR "stradis%d: IBM config " |
| 1083 | "failed\n", saa->nr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1084 | return -1; |
| 1085 | } |
| 1086 | /* set PWM to center value */ |
| 1087 | if (NewCard) { |
| 1088 | debiwrite(saa, debNormal, XILINX_PWM, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1089 | saa->boardcfg[14] + |
| 1090 | (saa->boardcfg[13] << 8), 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1091 | } else |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1092 | debiwrite(saa, debNormal, XILINX_PWM, 0x46, 2); |
| 1093 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1094 | if (HaveCS3310) { |
| 1095 | i = CS3310MaxLvl; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1096 | debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, |
| 1097 | (i << 8) | i, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1098 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1099 | printk(KERN_INFO "stradis%d: IBM MPEGCD%d Inited\n", |
| 1100 | saa->nr, 18 + (debiread(saa, debNormal, |
| 1101 | IBM_MP2_CHIP_CONTROL, 2) >> 12)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1102 | /* start video decoder */ |
| 1103 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, |
| 1104 | ChipControl, 2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1105 | debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, |
| 1106 | 2); /* 256k vid, 3520 bytes aud */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1107 | debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2); |
| 1108 | ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); |
| 1109 | /* enable buffer threshold irq */ |
| 1110 | debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2); |
| 1111 | debiread(saa, debNormal, IBM_MP2_HOST_INT, 2); |
| 1112 | /* enable gpio irq */ |
| 1113 | saawrite(0x00002000, SAA7146_GPIO_CTRL); |
| 1114 | /* enable decoder output to HPS */ |
| 1115 | debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2); |
| 1116 | saa->boardcfg[0] = 37; |
| 1117 | } |
| 1118 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1119 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1120 | return 0; |
| 1121 | } |
| 1122 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1123 | static u32 palette2fmt[] = { /* some of these YUV translations are wrong */ |
| 1124 | 0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000, |
| 1125 | 0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000, |
| 1126 | 0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1127 | }; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1128 | static int bpp2fmt[4] = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1129 | VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24, |
| 1130 | VIDEO_PALETTE_RGB32 |
| 1131 | }; |
| 1132 | |
| 1133 | /* I wish I could find a formula to calculate these... */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1134 | static u32 h_prescale[64] = { |
| 1135 | 0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808, |
| 1136 | 0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460, |
| 1137 | 0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f, |
| 1138 | 0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000, |
| 1139 | 0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000, |
| 1140 | 0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000, |
| 1141 | 0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000, |
| 1142 | 0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000, |
| 1143 | 0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000, |
| 1144 | 0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000, |
| 1145 | 0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1146 | }; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1147 | static u32 v_gain[64] = { |
| 1148 | 0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff, |
| 1149 | 0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, |
| 1150 | 0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1151 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1152 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1153 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1154 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1155 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1156 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1157 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
| 1158 | 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1159 | }; |
| 1160 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1161 | static void saa7146_set_winsize(struct saa7146 *saa) |
| 1162 | { |
| 1163 | u32 format; |
| 1164 | int offset, yacl, ysci; |
| 1165 | saa->win.color_fmt = format = |
| 1166 | (saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] : |
| 1167 | palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]]; |
| 1168 | offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl; |
| 1169 | saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1); |
| 1170 | saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1); |
| 1171 | saawrite(saa->win.bpl * 2, SAA7146_PITCH1); |
| 1172 | saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight, |
| 1173 | SAA7146_PROT_ADDR1); |
| 1174 | saawrite(0, SAA7146_PAGE1); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1175 | saawrite(format | 0x60, SAA7146_CLIP_FORMAT_CTRL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1176 | offset = (704 / (saa->win.width - 1)) & 0x3f; |
| 1177 | saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE); |
| 1178 | offset = (720896 / saa->win.width) / (offset + 1); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1179 | saawrite((offset << 12) | 0x0c, SAA7146_HPS_H_SCALE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1180 | if (CurrentMode == VIDEO_MODE_NTSC) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1181 | yacl = /*(480 / saa->win.height - 1) & 0x3f */ 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1182 | ysci = 1024 - (saa->win.height * 1024 / 480); |
| 1183 | } else { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1184 | yacl = /*(576 / saa->win.height - 1) & 0x3f */ 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1185 | ysci = 1024 - (saa->win.height * 1024 / 576); |
| 1186 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1187 | saawrite((1 << 31) | (ysci << 21) | (yacl << 15), SAA7146_HPS_V_SCALE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1188 | saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN); |
| 1189 | saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1190 | SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 | |
| 1191 | SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H), SAA7146_MC2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1192 | } |
| 1193 | |
| 1194 | /* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1195 | * bitmap is fixed width, 128 bytes (1024 pixels represented) |
| 1196 | * arranged most-sigificant-bit-left in 32-bit words |
| 1197 | * based on saa7146 clipping hardware, it swaps bytes if LE |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1198 | * much of this makes up for egcs brain damage -- so if you |
| 1199 | * are wondering "why did he do this?" it is because the C |
| 1200 | * was adjusted to generate the optimal asm output without |
| 1201 | * writing non-portable __asm__ directives. |
| 1202 | */ |
| 1203 | |
| 1204 | static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h) |
| 1205 | { |
| 1206 | register int startword, endword; |
| 1207 | register u32 bitsleft, bitsright; |
| 1208 | u32 *temp; |
| 1209 | if (x < 0) { |
| 1210 | w += x; |
| 1211 | x = 0; |
| 1212 | } |
| 1213 | if (y < 0) { |
| 1214 | h += y; |
| 1215 | y = 0; |
| 1216 | } |
| 1217 | if (w <= 0 || h <= 0 || x > 1023 || y > 639) |
| 1218 | return; /* throw away bad clips */ |
| 1219 | if (x + w > 1024) |
| 1220 | w = 1024 - x; |
| 1221 | if (y + h > 640) |
| 1222 | h = 640 - y; |
| 1223 | startword = (x >> 5); |
| 1224 | endword = ((x + w) >> 5); |
| 1225 | bitsleft = (0xffffffff >> (x & 31)); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1226 | bitsright = (0xffffffff << (~((x + w) - (endword << 5)))); |
| 1227 | temp = &clipmap[(y << 5) + startword]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1228 | w = endword - startword; |
| 1229 | if (!w) { |
| 1230 | bitsleft |= bitsright; |
| 1231 | for (y = 0; y < h; y++) { |
| 1232 | *temp |= bitsleft; |
| 1233 | temp += 32; |
| 1234 | } |
| 1235 | } else { |
| 1236 | for (y = 0; y < h; y++) { |
| 1237 | *temp++ |= bitsleft; |
| 1238 | for (x = 1; x < w; x++) |
| 1239 | *temp++ = 0xffffffff; |
| 1240 | *temp |= bitsright; |
| 1241 | temp += (32 - w); |
| 1242 | } |
| 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr) |
| 1247 | { |
| 1248 | int i, width, height; |
| 1249 | u32 *clipmap; |
| 1250 | |
| 1251 | clipmap = saa->dmavid2; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1252 | if ((width = saa->win.width) > 1023) |
| 1253 | width = 1023; /* sanity check */ |
| 1254 | if ((height = saa->win.height) > 640) |
| 1255 | height = 639; /* sanity check */ |
| 1256 | if (ncr > 0) { /* rectangles pased */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1257 | /* convert rectangular clips to a bitmap */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1258 | memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1259 | for (i = 0; i < ncr; i++) |
| 1260 | clip_draw_rectangle(clipmap, cr[i].x, cr[i].y, |
| 1261 | cr[i].width, cr[i].height); |
| 1262 | } |
Mauro Carvalho Chehab | d56410e | 2006-03-25 09:19:53 -0300 | [diff] [blame] | 1263 | /* clip against viewing window AND screen |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1264 | so we do not have to rely on the user program |
| 1265 | */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1266 | clip_draw_rectangle(clipmap, (saa->win.x + width > saa->win.swidth) ? |
| 1267 | (saa->win.swidth - saa->win.x) : width, 0, 1024, 768); |
| 1268 | clip_draw_rectangle(clipmap, 0, |
| 1269 | (saa->win.y + height > saa->win.sheight) ? |
| 1270 | (saa->win.sheight - saa->win.y) : height, 1024, 768); |
| 1271 | if (saa->win.x < 0) |
| 1272 | clip_draw_rectangle(clipmap, 0, 0, -saa->win.x, 768); |
| 1273 | if (saa->win.y < 0) |
| 1274 | clip_draw_rectangle(clipmap, 0, 0, 1024, -saa->win.y); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1275 | } |
| 1276 | |
| 1277 | static int saa_ioctl(struct inode *inode, struct file *file, |
| 1278 | unsigned int cmd, unsigned long argl) |
| 1279 | { |
| 1280 | struct saa7146 *saa = file->private_data; |
| 1281 | void __user *arg = (void __user *)argl; |
| 1282 | |
| 1283 | switch (cmd) { |
| 1284 | case VIDIOCGCAP: |
| 1285 | { |
| 1286 | struct video_capability b; |
| 1287 | strcpy(b.name, saa->video_dev.name); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1288 | b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY | |
| 1289 | VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM | |
| 1290 | VID_TYPE_SCALES; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1291 | b.channels = 1; |
| 1292 | b.audios = 1; |
| 1293 | b.maxwidth = 768; |
| 1294 | b.maxheight = 576; |
| 1295 | b.minwidth = 32; |
| 1296 | b.minheight = 32; |
| 1297 | if (copy_to_user(arg, &b, sizeof(b))) |
| 1298 | return -EFAULT; |
| 1299 | return 0; |
| 1300 | } |
| 1301 | case VIDIOCGPICT: |
| 1302 | { |
| 1303 | struct video_picture p = saa->picture; |
| 1304 | if (saa->win.depth == 8) |
| 1305 | p.palette = VIDEO_PALETTE_HI240; |
| 1306 | if (saa->win.depth == 15) |
| 1307 | p.palette = VIDEO_PALETTE_RGB555; |
| 1308 | if (saa->win.depth == 16) |
| 1309 | p.palette = VIDEO_PALETTE_RGB565; |
| 1310 | if (saa->win.depth == 24) |
| 1311 | p.palette = VIDEO_PALETTE_RGB24; |
| 1312 | if (saa->win.depth == 32) |
| 1313 | p.palette = VIDEO_PALETTE_RGB32; |
| 1314 | if (copy_to_user(arg, &p, sizeof(p))) |
| 1315 | return -EFAULT; |
| 1316 | return 0; |
| 1317 | } |
| 1318 | case VIDIOCSPICT: |
| 1319 | { |
| 1320 | struct video_picture p; |
| 1321 | u32 format; |
| 1322 | if (copy_from_user(&p, arg, sizeof(p))) |
| 1323 | return -EFAULT; |
| 1324 | if (p.palette < sizeof(palette2fmt) / sizeof(u32)) { |
| 1325 | format = palette2fmt[p.palette]; |
| 1326 | saa->win.color_fmt = format; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1327 | saawrite(format | 0x60, |
| 1328 | SAA7146_CLIP_FORMAT_CTRL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1329 | } |
| 1330 | saawrite(((p.brightness & 0xff00) << 16) | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1331 | ((p.contrast & 0xfe00) << 7) | |
| 1332 | ((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1333 | saa->picture = p; |
| 1334 | /* upload changed registers */ |
| 1335 | saawrite(((SAA7146_MC2_UPLD_HPS_H | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1336 | SAA7146_MC2_UPLD_HPS_V) << 16) | |
| 1337 | SAA7146_MC2_UPLD_HPS_H | |
| 1338 | SAA7146_MC2_UPLD_HPS_V, SAA7146_MC2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1339 | return 0; |
| 1340 | } |
| 1341 | case VIDIOCSWIN: |
| 1342 | { |
| 1343 | struct video_window vw; |
| 1344 | struct video_clip *vcp = NULL; |
| 1345 | |
| 1346 | if (copy_from_user(&vw, arg, sizeof(vw))) |
| 1347 | return -EFAULT; |
| 1348 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1349 | /* stop capture */ |
| 1350 | if (vw.flags || vw.width < 16 || vw.height < 16) { |
| 1351 | saawrite((SAA7146_MC1_TR_E_1 << 16), |
| 1352 | SAA7146_MC1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1353 | return -EINVAL; |
| 1354 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1355 | /* 32-bit align start and adjust width */ |
| 1356 | if (saa->win.bpp < 4) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1357 | int i = vw.x; |
| 1358 | vw.x = (vw.x + 3) & ~3; |
| 1359 | i = vw.x - i; |
| 1360 | vw.width -= i; |
| 1361 | } |
| 1362 | saa->win.x = vw.x; |
| 1363 | saa->win.y = vw.y; |
| 1364 | saa->win.width = vw.width; |
| 1365 | if (saa->win.width > 768) |
| 1366 | saa->win.width = 768; |
| 1367 | saa->win.height = vw.height; |
| 1368 | if (CurrentMode == VIDEO_MODE_NTSC) { |
| 1369 | if (saa->win.height > 480) |
| 1370 | saa->win.height = 480; |
| 1371 | } else { |
| 1372 | if (saa->win.height > 576) |
| 1373 | saa->win.height = 576; |
| 1374 | } |
| 1375 | |
| 1376 | /* stop capture */ |
| 1377 | saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1); |
| 1378 | saa7146_set_winsize(saa); |
| 1379 | |
| 1380 | /* |
| 1381 | * Do any clips. |
| 1382 | */ |
| 1383 | if (vw.clipcount < 0) { |
| 1384 | if (copy_from_user(saa->dmavid2, vw.clips, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1385 | VIDEO_CLIPMAP_SIZE)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1386 | return -EFAULT; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1387 | } else if (vw.clipcount > 16384) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1388 | return -EINVAL; |
| 1389 | } else if (vw.clipcount > 0) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1390 | vcp = vmalloc(sizeof(struct video_clip) * |
| 1391 | vw.clipcount); |
| 1392 | if (vcp == NULL) |
| 1393 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1394 | if (copy_from_user(vcp, vw.clips, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1395 | sizeof(struct video_clip) * |
| 1396 | vw.clipcount)) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1397 | vfree(vcp); |
| 1398 | return -EFAULT; |
| 1399 | } |
| 1400 | } else /* nothing clipped */ |
| 1401 | memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1402 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1403 | make_clip_tab(saa, vcp, vw.clipcount); |
| 1404 | if (vw.clipcount > 0) |
| 1405 | vfree(vcp); |
| 1406 | |
| 1407 | /* start capture & clip dma if we have an address */ |
| 1408 | if ((saa->cap & 3) && saa->win.vidadr != 0) |
| 1409 | saawrite(((SAA7146_MC1_TR_E_1 | |
| 1410 | SAA7146_MC1_TR_E_2) << 16) | 0xffff, |
| 1411 | SAA7146_MC1); |
| 1412 | return 0; |
| 1413 | } |
| 1414 | case VIDIOCGWIN: |
| 1415 | { |
| 1416 | struct video_window vw; |
| 1417 | vw.x = saa->win.x; |
| 1418 | vw.y = saa->win.y; |
| 1419 | vw.width = saa->win.width; |
| 1420 | vw.height = saa->win.height; |
| 1421 | vw.chromakey = 0; |
| 1422 | vw.flags = 0; |
| 1423 | if (copy_to_user(arg, &vw, sizeof(vw))) |
| 1424 | return -EFAULT; |
| 1425 | return 0; |
| 1426 | } |
| 1427 | case VIDIOCCAPTURE: |
| 1428 | { |
| 1429 | int v; |
| 1430 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1431 | return -EFAULT; |
| 1432 | if (v == 0) { |
| 1433 | saa->cap &= ~1; |
| 1434 | saawrite((SAA7146_MC1_TR_E_1 << 16), |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1435 | SAA7146_MC1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1436 | } else { |
| 1437 | if (saa->win.vidadr == 0 || saa->win.width == 0 |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1438 | || saa->win.height == 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1439 | return -EINVAL; |
| 1440 | saa->cap |= 1; |
| 1441 | saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1442 | SAA7146_MC1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1443 | } |
| 1444 | return 0; |
| 1445 | } |
| 1446 | case VIDIOCGFBUF: |
| 1447 | { |
| 1448 | struct video_buffer v; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1449 | v.base = (void *)saa->win.vidadr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1450 | v.height = saa->win.sheight; |
| 1451 | v.width = saa->win.swidth; |
| 1452 | v.depth = saa->win.depth; |
| 1453 | v.bytesperline = saa->win.bpl; |
| 1454 | if (copy_to_user(arg, &v, sizeof(v))) |
| 1455 | return -EFAULT; |
| 1456 | return 0; |
| 1457 | |
| 1458 | } |
| 1459 | case VIDIOCSFBUF: |
| 1460 | { |
| 1461 | struct video_buffer v; |
| 1462 | if (!capable(CAP_SYS_ADMIN)) |
| 1463 | return -EPERM; |
| 1464 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1465 | return -EFAULT; |
| 1466 | if (v.depth != 8 && v.depth != 15 && v.depth != 16 && |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1467 | v.depth != 24 && v.depth != 32 && v.width > 16 && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1468 | v.height > 16 && v.bytesperline > 16) |
| 1469 | return -EINVAL; |
| 1470 | if (v.base) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1471 | saa->win.vidadr = (unsigned long)v.base; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1472 | saa->win.sheight = v.height; |
| 1473 | saa->win.swidth = v.width; |
| 1474 | saa->win.bpp = ((v.depth + 7) & 0x38) / 8; |
| 1475 | saa->win.depth = v.depth; |
| 1476 | saa->win.bpl = v.bytesperline; |
| 1477 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1478 | DEBUG(printk("Display at %p is %d by %d, bytedepth %d, " |
| 1479 | "bpl %d\n", v.base, v.width, v.height, |
| 1480 | saa->win.bpp, saa->win.bpl)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1481 | saa7146_set_winsize(saa); |
| 1482 | return 0; |
| 1483 | } |
| 1484 | case VIDIOCKEY: |
| 1485 | { |
| 1486 | /* Will be handled higher up .. */ |
| 1487 | return 0; |
| 1488 | } |
| 1489 | |
| 1490 | case VIDIOCGAUDIO: |
| 1491 | { |
| 1492 | struct video_audio v; |
| 1493 | v = saa->audio_dev; |
| 1494 | v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE); |
| 1495 | v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME; |
| 1496 | strcpy(v.name, "MPEG"); |
| 1497 | v.mode = VIDEO_SOUND_STEREO; |
| 1498 | if (copy_to_user(arg, &v, sizeof(v))) |
| 1499 | return -EFAULT; |
| 1500 | return 0; |
| 1501 | } |
| 1502 | case VIDIOCSAUDIO: |
| 1503 | { |
| 1504 | struct video_audio v; |
| 1505 | int i; |
| 1506 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1507 | return -EFAULT; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1508 | i = (~(v.volume >> 8)) & 0xff; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1509 | if (!HaveCS4341) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1510 | if (v.flags & VIDEO_AUDIO_MUTE) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1511 | debiwrite(saa, debNormal, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1512 | IBM_MP2_FRNT_ATTEN, 0xffff, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1513 | if (!(v.flags & VIDEO_AUDIO_MUTE)) |
| 1514 | debiwrite(saa, debNormal, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1515 | IBM_MP2_FRNT_ATTEN, 0x0000, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1516 | if (v.flags & VIDEO_AUDIO_VOLUME) |
| 1517 | debiwrite(saa, debNormal, |
| 1518 | IBM_MP2_FRNT_ATTEN, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1519 | (i << 8) | i, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1520 | } else { |
| 1521 | if (v.flags & VIDEO_AUDIO_MUTE) |
| 1522 | cs4341_setlevel(saa, 0xff, 0xff); |
| 1523 | if (!(v.flags & VIDEO_AUDIO_MUTE)) |
| 1524 | cs4341_setlevel(saa, 0, 0); |
| 1525 | if (v.flags & VIDEO_AUDIO_VOLUME) |
| 1526 | cs4341_setlevel(saa, i, i); |
| 1527 | } |
| 1528 | saa->audio_dev = v; |
| 1529 | return 0; |
| 1530 | } |
| 1531 | |
| 1532 | case VIDIOCGUNIT: |
| 1533 | { |
| 1534 | struct video_unit vu; |
| 1535 | vu.video = saa->video_dev.minor; |
| 1536 | vu.vbi = VIDEO_NO_UNIT; |
| 1537 | vu.radio = VIDEO_NO_UNIT; |
| 1538 | vu.audio = VIDEO_NO_UNIT; |
| 1539 | vu.teletext = VIDEO_NO_UNIT; |
| 1540 | if (copy_to_user(arg, &vu, sizeof(vu))) |
| 1541 | return -EFAULT; |
| 1542 | return 0; |
| 1543 | } |
| 1544 | case VIDIOCSPLAYMODE: |
| 1545 | { |
| 1546 | struct video_play_mode pmode; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1547 | if (copy_from_user((void *)&pmode, arg, |
| 1548 | sizeof(struct video_play_mode))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1549 | return -EFAULT; |
| 1550 | switch (pmode.mode) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1551 | case VID_PLAY_VID_OUT_MODE: |
| 1552 | if (pmode.p1 != VIDEO_MODE_NTSC && |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1553 | pmode.p1 != VIDEO_MODE_PAL) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1554 | return -EINVAL; |
| 1555 | set_out_format(saa, pmode.p1); |
| 1556 | return 0; |
| 1557 | case VID_PLAY_GENLOCK: |
| 1558 | debiwrite(saa, debNormal, XILINX_CTL0, |
| 1559 | pmode.p1 ? 0x8000 : 0x8080, 2); |
| 1560 | if (NewCard) |
| 1561 | set_genlock_offset(saa, pmode.p2); |
| 1562 | return 0; |
| 1563 | case VID_PLAY_NORMAL: |
| 1564 | debiwrite(saa, debNormal, |
| 1565 | IBM_MP2_CHIP_CONTROL, ChipControl, 2); |
| 1566 | ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); |
| 1567 | saa->playmode = pmode.mode; |
| 1568 | return 0; |
| 1569 | case VID_PLAY_PAUSE: |
| 1570 | /* IBM removed the PAUSE command */ |
| 1571 | /* they say use SINGLE_FRAME now */ |
| 1572 | case VID_PLAY_SINGLE_FRAME: |
| 1573 | ibm_send_command(saa, IBM_MP2_SINGLE_FRAME,0,0); |
| 1574 | if (saa->playmode == pmode.mode) { |
| 1575 | debiwrite(saa, debNormal, |
| 1576 | IBM_MP2_CHIP_CONTROL, |
| 1577 | ChipControl, 2); |
| 1578 | } |
| 1579 | saa->playmode = pmode.mode; |
| 1580 | return 0; |
| 1581 | case VID_PLAY_FAST_FORWARD: |
| 1582 | ibm_send_command(saa, IBM_MP2_FAST_FORWARD,0,0); |
| 1583 | saa->playmode = pmode.mode; |
| 1584 | return 0; |
| 1585 | case VID_PLAY_SLOW_MOTION: |
| 1586 | ibm_send_command(saa, IBM_MP2_SLOW_MOTION, |
| 1587 | pmode.p1, 0); |
| 1588 | saa->playmode = pmode.mode; |
| 1589 | return 0; |
| 1590 | case VID_PLAY_IMMEDIATE_NORMAL: |
| 1591 | /* ensure transfers resume */ |
| 1592 | debiwrite(saa, debNormal, |
| 1593 | IBM_MP2_CHIP_CONTROL, ChipControl, 2); |
| 1594 | ibm_send_command(saa, IBM_MP2_IMED_NORM_PLAY, |
| 1595 | 0, 0); |
| 1596 | saa->playmode = VID_PLAY_NORMAL; |
| 1597 | return 0; |
| 1598 | case VID_PLAY_SWITCH_CHANNELS: |
| 1599 | saa->audhead = saa->audtail = 0; |
| 1600 | saa->vidhead = saa->vidtail = 0; |
| 1601 | ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,1); |
| 1602 | ibm_send_command(saa, IBM_MP2_RESET_AUD_RATE, |
| 1603 | 0, 1); |
| 1604 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, |
| 1605 | 0, 2); |
| 1606 | ibm_send_command(saa, IBM_MP2_CHANNEL_SWITCH, |
| 1607 | 0, 1); |
| 1608 | debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, |
| 1609 | ChipControl, 2); |
| 1610 | ibm_send_command(saa, IBM_MP2_PLAY, 0, 0); |
| 1611 | saa->playmode = VID_PLAY_NORMAL; |
| 1612 | return 0; |
| 1613 | case VID_PLAY_FREEZE_FRAME: |
| 1614 | ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,0); |
| 1615 | saa->playmode = pmode.mode; |
| 1616 | return 0; |
| 1617 | case VID_PLAY_STILL_MODE: |
| 1618 | ibm_send_command(saa, IBM_MP2_SET_STILL_MODE, |
| 1619 | 0, 0); |
| 1620 | saa->playmode = pmode.mode; |
| 1621 | return 0; |
| 1622 | case VID_PLAY_MASTER_MODE: |
| 1623 | if (pmode.p1 == VID_PLAY_MASTER_NONE) |
| 1624 | saa->boardcfg[1] = 0x13; |
| 1625 | else if (pmode.p1 == VID_PLAY_MASTER_VIDEO) |
| 1626 | saa->boardcfg[1] = 0x23; |
| 1627 | else if (pmode.p1 == VID_PLAY_MASTER_AUDIO) |
| 1628 | saa->boardcfg[1] = 0x43; |
| 1629 | else |
| 1630 | return -EINVAL; |
| 1631 | debiwrite(saa, debNormal, |
| 1632 | IBM_MP2_CHIP_CONTROL, ChipControl, 2); |
| 1633 | return 0; |
| 1634 | case VID_PLAY_ACTIVE_SCANLINES: |
| 1635 | if (CurrentMode == VIDEO_MODE_PAL) { |
| 1636 | if (pmode.p1 < 1 || pmode.p2 > 625) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1637 | return -EINVAL; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1638 | saa->boardcfg[5] = pmode.p1; |
| 1639 | saa->boardcfg[55] = (pmode.p1 + |
| 1640 | (pmode.p2 / 2) - 1) & 0xff; |
| 1641 | } else { |
| 1642 | if (pmode.p1 < 4 || pmode.p2 > 525) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1643 | return -EINVAL; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1644 | saa->boardcfg[4] = pmode.p1; |
| 1645 | saa->boardcfg[54] = (pmode.p1 + |
| 1646 | (pmode.p2 / 2) - 4) & 0xff; |
| 1647 | } |
| 1648 | set_out_format(saa, CurrentMode); |
| 1649 | case VID_PLAY_RESET: |
| 1650 | return do_ibm_reset(saa); |
| 1651 | case VID_PLAY_END_MARK: |
| 1652 | if (saa->endmarktail < saa->endmarkhead) { |
| 1653 | if (saa->endmarkhead - |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1654 | saa->endmarktail < 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1655 | return -ENOSPC; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1656 | } else if (saa->endmarkhead <=saa->endmarktail){ |
| 1657 | if (saa->endmarktail - saa->endmarkhead |
| 1658 | > (MAX_MARKS - 2)) |
| 1659 | return -ENOSPC; |
| 1660 | } else |
| 1661 | return -ENOSPC; |
| 1662 | saa->endmark[saa->endmarktail] = saa->audtail; |
| 1663 | saa->endmarktail++; |
| 1664 | if (saa->endmarktail >= MAX_MARKS) |
| 1665 | saa->endmarktail = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1666 | } |
| 1667 | return -EINVAL; |
| 1668 | } |
| 1669 | case VIDIOCSWRITEMODE: |
| 1670 | { |
| 1671 | int mode; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1672 | if (copy_from_user((void *)&mode, arg, sizeof(int))) |
| 1673 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1674 | if (mode == VID_WRITE_MPEG_AUD || |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1675 | mode == VID_WRITE_MPEG_VID || |
| 1676 | mode == VID_WRITE_CC || |
| 1677 | mode == VID_WRITE_TTX || |
| 1678 | mode == VID_WRITE_OSD) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1679 | saa->writemode = mode; |
| 1680 | return 0; |
| 1681 | } |
| 1682 | return -EINVAL; |
| 1683 | } |
| 1684 | case VIDIOCSMICROCODE: |
| 1685 | { |
| 1686 | struct video_code ucode; |
| 1687 | __u8 *udata; |
| 1688 | int i; |
| 1689 | if (copy_from_user(&ucode, arg, sizeof(ucode))) |
| 1690 | return -EFAULT; |
| 1691 | if (ucode.datasize > 65536 || ucode.datasize < 1024 || |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1692 | strncmp(ucode.loadwhat, "dec", 3)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1693 | return -EINVAL; |
| 1694 | if ((udata = vmalloc(ucode.datasize)) == NULL) |
| 1695 | return -ENOMEM; |
| 1696 | if (copy_from_user(udata, ucode.data, ucode.datasize)) { |
| 1697 | vfree(udata); |
| 1698 | return -EFAULT; |
| 1699 | } |
| 1700 | ucode.data = udata; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1701 | if (!strncmp(ucode.loadwhat, "decoder.aud", 11) || |
| 1702 | !strncmp(ucode.loadwhat, "decoder.vid", 11)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1703 | i = initialize_ibmmpeg2(&ucode); |
| 1704 | else |
| 1705 | i = initialize_fpga(&ucode); |
| 1706 | vfree(udata); |
| 1707 | if (i) |
| 1708 | return -EINVAL; |
| 1709 | return 0; |
| 1710 | |
| 1711 | } |
| 1712 | case VIDIOCGCHAN: /* this makes xawtv happy */ |
| 1713 | { |
| 1714 | struct video_channel v; |
| 1715 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1716 | return -EFAULT; |
| 1717 | v.flags = VIDEO_VC_AUDIO; |
| 1718 | v.tuners = 0; |
| 1719 | v.type = VID_TYPE_MPEG_DECODER; |
| 1720 | v.norm = CurrentMode; |
| 1721 | strcpy(v.name, "MPEG2"); |
| 1722 | if (copy_to_user(arg, &v, sizeof(v))) |
| 1723 | return -EFAULT; |
| 1724 | return 0; |
| 1725 | } |
| 1726 | case VIDIOCSCHAN: /* this makes xawtv happy */ |
| 1727 | { |
| 1728 | struct video_channel v; |
| 1729 | if (copy_from_user(&v, arg, sizeof(v))) |
| 1730 | return -EFAULT; |
| 1731 | /* do nothing */ |
| 1732 | return 0; |
| 1733 | } |
| 1734 | default: |
| 1735 | return -ENOIOCTLCMD; |
| 1736 | } |
| 1737 | return 0; |
| 1738 | } |
| 1739 | |
| 1740 | static int saa_mmap(struct file *file, struct vm_area_struct *vma) |
| 1741 | { |
| 1742 | struct saa7146 *saa = file->private_data; |
| 1743 | printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr); |
| 1744 | return -EINVAL; |
| 1745 | } |
| 1746 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1747 | static ssize_t saa_read(struct file *file, char __user * buf, |
| 1748 | size_t count, loff_t * ppos) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1749 | { |
| 1750 | return -EINVAL; |
| 1751 | } |
| 1752 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1753 | static ssize_t saa_write(struct file *file, const char __user * buf, |
| 1754 | size_t count, loff_t * ppos) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1755 | { |
| 1756 | struct saa7146 *saa = file->private_data; |
| 1757 | unsigned long todo = count; |
| 1758 | int blocksize, split; |
| 1759 | unsigned long flags; |
| 1760 | |
| 1761 | while (todo > 0) { |
| 1762 | if (saa->writemode == VID_WRITE_MPEG_AUD) { |
| 1763 | spin_lock_irqsave(&saa->lock, flags); |
| 1764 | if (saa->audhead <= saa->audtail) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1765 | blocksize = 65536 - |
| 1766 | (saa->audtail - saa->audhead); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1767 | else |
| 1768 | blocksize = saa->audhead - saa->audtail; |
| 1769 | spin_unlock_irqrestore(&saa->lock, flags); |
| 1770 | if (blocksize < 16384) { |
| 1771 | saawrite(SAA7146_PSR_DEBI_S | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1772 | SAA7146_PSR_PIN1, SAA7146_IER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1773 | saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); |
| 1774 | /* wait for buffer space to open */ |
| 1775 | interruptible_sleep_on(&saa->audq); |
| 1776 | } |
| 1777 | spin_lock_irqsave(&saa->lock, flags); |
| 1778 | if (saa->audhead <= saa->audtail) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1779 | blocksize = 65536 - |
| 1780 | (saa->audtail - saa->audhead); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1781 | split = 65536 - saa->audtail; |
| 1782 | } else { |
| 1783 | blocksize = saa->audhead - saa->audtail; |
| 1784 | split = 65536; |
| 1785 | } |
| 1786 | spin_unlock_irqrestore(&saa->lock, flags); |
| 1787 | blocksize--; |
| 1788 | if (blocksize > todo) |
| 1789 | blocksize = todo; |
| 1790 | /* double check that we really have space */ |
| 1791 | if (!blocksize) |
| 1792 | return -ENOSPC; |
| 1793 | if (split < blocksize) { |
| 1794 | if (copy_from_user(saa->audbuf + |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1795 | saa->audtail, buf, split)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1796 | return -EFAULT; |
| 1797 | buf += split; |
| 1798 | todo -= split; |
| 1799 | blocksize -= split; |
| 1800 | saa->audtail = 0; |
| 1801 | } |
| 1802 | if (copy_from_user(saa->audbuf + saa->audtail, buf, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1803 | blocksize)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1804 | return -EFAULT; |
| 1805 | saa->audtail += blocksize; |
| 1806 | todo -= blocksize; |
| 1807 | buf += blocksize; |
| 1808 | saa->audtail &= 0xffff; |
| 1809 | } else if (saa->writemode == VID_WRITE_MPEG_VID) { |
| 1810 | spin_lock_irqsave(&saa->lock, flags); |
| 1811 | if (saa->vidhead <= saa->vidtail) |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1812 | blocksize = 524288 - |
| 1813 | (saa->vidtail - saa->vidhead); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1814 | else |
| 1815 | blocksize = saa->vidhead - saa->vidtail; |
| 1816 | spin_unlock_irqrestore(&saa->lock, flags); |
| 1817 | if (blocksize < 65536) { |
| 1818 | saawrite(SAA7146_PSR_DEBI_S | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1819 | SAA7146_PSR_PIN1, SAA7146_IER); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1820 | saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); |
| 1821 | /* wait for buffer space to open */ |
| 1822 | interruptible_sleep_on(&saa->vidq); |
| 1823 | } |
| 1824 | spin_lock_irqsave(&saa->lock, flags); |
| 1825 | if (saa->vidhead <= saa->vidtail) { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1826 | blocksize = 524288 - |
| 1827 | (saa->vidtail - saa->vidhead); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1828 | split = 524288 - saa->vidtail; |
| 1829 | } else { |
| 1830 | blocksize = saa->vidhead - saa->vidtail; |
| 1831 | split = 524288; |
| 1832 | } |
| 1833 | spin_unlock_irqrestore(&saa->lock, flags); |
| 1834 | blocksize--; |
| 1835 | if (blocksize > todo) |
| 1836 | blocksize = todo; |
| 1837 | /* double check that we really have space */ |
| 1838 | if (!blocksize) |
| 1839 | return -ENOSPC; |
| 1840 | if (split < blocksize) { |
| 1841 | if (copy_from_user(saa->vidbuf + |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1842 | saa->vidtail, buf, split)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1843 | return -EFAULT; |
| 1844 | buf += split; |
| 1845 | todo -= split; |
| 1846 | blocksize -= split; |
| 1847 | saa->vidtail = 0; |
| 1848 | } |
| 1849 | if (copy_from_user(saa->vidbuf + saa->vidtail, buf, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1850 | blocksize)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1851 | return -EFAULT; |
| 1852 | saa->vidtail += blocksize; |
| 1853 | todo -= blocksize; |
| 1854 | buf += blocksize; |
| 1855 | saa->vidtail &= 0x7ffff; |
| 1856 | } else if (saa->writemode == VID_WRITE_OSD) { |
| 1857 | if (count > 131072) |
| 1858 | return -ENOSPC; |
| 1859 | if (copy_from_user(saa->osdbuf, buf, count)) |
| 1860 | return -EFAULT; |
| 1861 | buf += count; |
| 1862 | saa->osdhead = 0; |
| 1863 | saa->osdtail = count; |
| 1864 | debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2); |
| 1865 | debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2); |
| 1866 | debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2); |
| 1867 | debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1868 | debiread(saa, debNormal, |
| 1869 | IBM_MP2_DISP_MODE, 2) | 1, 2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1870 | /* trigger osd data transfer */ |
| 1871 | saawrite(SAA7146_PSR_DEBI_S | |
| 1872 | SAA7146_PSR_PIN1, SAA7146_IER); |
| 1873 | saawrite(SAA7146_PSR_PIN1, SAA7146_PSR); |
| 1874 | } |
| 1875 | } |
| 1876 | return count; |
| 1877 | } |
| 1878 | |
| 1879 | static int saa_open(struct inode *inode, struct file *file) |
| 1880 | { |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1881 | struct video_device *vdev = video_devdata(file); |
| 1882 | struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1883 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1884 | file->private_data = saa; |
| 1885 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1886 | saa->user++; |
| 1887 | if (saa->user > 1) |
| 1888 | return 0; /* device open already, don't reset */ |
| 1889 | saa->writemode = VID_WRITE_MPEG_VID; /* default to video */ |
| 1890 | return 0; |
| 1891 | } |
| 1892 | |
| 1893 | static int saa_release(struct inode *inode, struct file *file) |
| 1894 | { |
| 1895 | struct saa7146 *saa = file->private_data; |
| 1896 | saa->user--; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1897 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1898 | if (saa->user > 0) /* still someone using device */ |
| 1899 | return 0; |
| 1900 | saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */ |
| 1901 | return 0; |
| 1902 | } |
| 1903 | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1904 | static struct file_operations saa_fops = { |
| 1905 | .owner = THIS_MODULE, |
| 1906 | .open = saa_open, |
| 1907 | .release = saa_release, |
| 1908 | .ioctl = saa_ioctl, |
| 1909 | .compat_ioctl = v4l_compat_ioctl32, |
| 1910 | .read = saa_read, |
| 1911 | .llseek = no_llseek, |
| 1912 | .write = saa_write, |
| 1913 | .mmap = saa_mmap, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1914 | }; |
| 1915 | |
| 1916 | /* template for video_device-structure */ |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1917 | static struct video_device saa_template = { |
| 1918 | .name = "SAA7146A", |
| 1919 | .type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY, |
| 1920 | .hardware = VID_HARDWARE_SAA7146, |
| 1921 | .fops = &saa_fops, |
| 1922 | .minor = -1, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1923 | }; |
| 1924 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1925 | static int __devinit configure_saa7146(struct pci_dev *pdev, int num) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1926 | { |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1927 | int retval; |
| 1928 | struct saa7146 *saa = pci_get_drvdata(pdev); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1929 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1930 | saa->endmarkhead = saa->endmarktail = 0; |
| 1931 | saa->win.x = saa->win.y = 0; |
| 1932 | saa->win.width = saa->win.cropwidth = 720; |
| 1933 | saa->win.height = saa->win.cropheight = 480; |
| 1934 | saa->win.cropx = saa->win.cropy = 0; |
| 1935 | saa->win.bpp = 2; |
| 1936 | saa->win.depth = 16; |
| 1937 | saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565]; |
| 1938 | saa->win.bpl = 1024 * saa->win.bpp; |
| 1939 | saa->win.swidth = 1024; |
| 1940 | saa->win.sheight = 768; |
| 1941 | saa->picture.brightness = 32768; |
| 1942 | saa->picture.contrast = 38768; |
| 1943 | saa->picture.colour = 32768; |
| 1944 | saa->cap = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1945 | saa->nr = num; |
| 1946 | saa->playmode = VID_PLAY_NORMAL; |
| 1947 | memset(saa->boardcfg, 0, 64); /* clear board config area */ |
| 1948 | saa->saa7146_mem = NULL; |
| 1949 | saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in = |
| 1950 | saa->dmaa1out = saa->dmaa2in = saa->dmaa2out = |
| 1951 | saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in = |
| 1952 | saa->pagea1out = saa->pagea2in = saa->pagea2out = |
| 1953 | saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 = |
| 1954 | saa->pageRPS2 = NULL; |
| 1955 | saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL; |
| 1956 | saa->audhead = saa->vidtail = 0; |
| 1957 | |
| 1958 | init_waitqueue_head(&saa->i2cq); |
| 1959 | init_waitqueue_head(&saa->audq); |
| 1960 | init_waitqueue_head(&saa->debiq); |
| 1961 | init_waitqueue_head(&saa->vidq); |
| 1962 | spin_lock_init(&saa->lock); |
| 1963 | |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1964 | retval = pci_enable_device(pdev); |
| 1965 | if (retval) { |
| 1966 | dev_err(&pdev->dev, "%d: pci_enable_device failed!\n", num); |
| 1967 | goto err; |
| 1968 | } |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1969 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1970 | saa->id = pdev->device; |
| 1971 | saa->irq = pdev->irq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1972 | saa->video_dev.minor = -1; |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1973 | saa->saa7146_adr = pci_resource_start(pdev, 0); |
| 1974 | pci_read_config_byte(pdev, PCI_CLASS_REVISION, &saa->revision); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1975 | |
| 1976 | saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1977 | if (saa->saa7146_mem == NULL) { |
| 1978 | dev_err(&pdev->dev, "%d: ioremap failed!\n", num); |
| 1979 | retval = -EIO; |
| 1980 | goto err; |
| 1981 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1982 | |
| 1983 | memcpy(&saa->video_dev, &saa_template, sizeof(saa_template)); |
| 1984 | saawrite(0, SAA7146_IER); /* turn off all interrupts */ |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1985 | |
| 1986 | retval = request_irq(saa->irq, saa7146_irq, SA_SHIRQ | SA_INTERRUPT, |
| 1987 | "stradis", saa); |
| 1988 | if (retval == -EINVAL) |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1989 | dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1990 | else if (retval == -EBUSY) |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1991 | dev_err(&pdev->dev, "%d: IRQ %ld busy, change your PnP config " |
| 1992 | "in BIOS\n", num, saa->irq); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1993 | if (retval < 0) |
| 1994 | goto errio; |
| 1995 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 1996 | pci_set_master(pdev); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 1997 | retval = video_register_device(&saa->video_dev, VFL_TYPE_GRABBER, |
| 1998 | video_nr); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 1999 | if (retval < 0) { |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2000 | dev_err(&pdev->dev, "%d: error in registering video device!\n", |
| 2001 | num); |
| 2002 | goto errio; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2003 | } |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2004 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2005 | return 0; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2006 | errio: |
| 2007 | iounmap(saa->saa7146_mem); |
| 2008 | err: |
| 2009 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2010 | } |
| 2011 | |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2012 | static int __devinit init_saa7146(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2013 | { |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2014 | struct saa7146 *saa = pci_get_drvdata(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2015 | |
| 2016 | saa->user = 0; |
| 2017 | /* reset the saa7146 */ |
| 2018 | saawrite(0xffff0000, SAA7146_MC1); |
| 2019 | mdelay(5); |
| 2020 | /* enable debi and i2c transfers and pins */ |
| 2021 | saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C | |
| 2022 | SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1); |
| 2023 | /* ensure proper state of chip */ |
| 2024 | saawrite(0x00000000, SAA7146_PAGE1); |
| 2025 | saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1); |
| 2026 | saawrite(0x00000000, SAA7146_PAGE2); |
| 2027 | saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2); |
| 2028 | saawrite(0x00000000, SAA7146_DD1_INIT); |
| 2029 | saawrite(0x00000000, SAA7146_DD1_STREAM_B); |
| 2030 | saawrite(0x00000000, SAA7146_DD1_STREAM_A); |
| 2031 | saawrite(0x00000000, SAA7146_BRS_CTRL); |
| 2032 | saawrite(0x80400040, SAA7146_BCS_CTRL); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2033 | saawrite(0x0000e000 /*| (1<<29) */ , SAA7146_HPS_CTRL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2034 | saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL); |
| 2035 | saawrite(0x00000000, SAA7146_ACON1); |
| 2036 | saawrite(0x00000000, SAA7146_ACON2); |
| 2037 | saawrite(0x00000600, SAA7146_I2C_STATUS); |
| 2038 | saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A | |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2039 | SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H | |
| 2040 | SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 | |
| 2041 | SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff, |
| 2042 | SAA7146_MC2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2043 | /* setup arbitration control registers */ |
| 2044 | saawrite(0x1412121a, SAA7146_PCI_BT_V1); |
| 2045 | |
| 2046 | /* allocate 32k dma buffer + 4k for page table */ |
| 2047 | if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) { |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2048 | dev_err(&pdev->dev, "%d: debi kmalloc failed\n", saa->nr); |
| 2049 | goto err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2050 | } |
| 2051 | #if 0 |
| 2052 | saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */ |
| 2053 | saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE); |
| 2054 | for (i = 0; i < 12; i++) /* setup mmu page table */ |
| 2055 | saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096)); |
| 2056 | #endif |
| 2057 | saa->audhead = saa->vidhead = saa->osdhead = 0; |
| 2058 | saa->audtail = saa->vidtail = saa->osdtail = 0; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2059 | if (saa->vidbuf == NULL && (saa->vidbuf = vmalloc(524288)) == NULL) { |
| 2060 | dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); |
| 2061 | goto err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2062 | } |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2063 | if (saa->audbuf == NULL && (saa->audbuf = vmalloc(65536)) == NULL) { |
| 2064 | dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); |
Jiri Slaby | 805f123 | 2006-01-24 13:15:06 -0800 | [diff] [blame] | 2065 | goto errfree; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2066 | } |
| 2067 | if (saa->osdbuf == NULL && (saa->osdbuf = vmalloc(131072)) == NULL) { |
| 2068 | dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr); |
Jiri Slaby | 805f123 | 2006-01-24 13:15:06 -0800 | [diff] [blame] | 2069 | goto errfree; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2070 | } |
| 2071 | /* allocate 81920 byte buffer for clipping */ |
| 2072 | if ((saa->dmavid2 = kzalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) { |
| 2073 | dev_err(&pdev->dev, "%d: clip kmalloc failed\n", saa->nr); |
Jiri Slaby | 805f123 | 2006-01-24 13:15:06 -0800 | [diff] [blame] | 2074 | goto errfree; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2075 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2076 | /* setup clipping registers */ |
| 2077 | saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2); |
| 2078 | saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2); |
| 2079 | saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE, |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2080 | SAA7146_PROT_ADDR2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2081 | saawrite(256, SAA7146_PITCH2); |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2082 | saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2083 | saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2, |
| 2084 | SAA7146_MC2); |
| 2085 | I2CBusScan(saa); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2086 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2087 | return 0; |
Jiri Slaby | 805f123 | 2006-01-24 13:15:06 -0800 | [diff] [blame] | 2088 | errfree: |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2089 | vfree(saa->osdbuf); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2090 | vfree(saa->audbuf); |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2091 | vfree(saa->vidbuf); |
Jiri Slaby | 805f123 | 2006-01-24 13:15:06 -0800 | [diff] [blame] | 2092 | saa->audbuf = saa->osdbuf = saa->vidbuf = NULL; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2093 | err: |
| 2094 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2095 | } |
| 2096 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2097 | static void stradis_release_saa(struct pci_dev *pdev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2098 | { |
| 2099 | u8 command; |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2100 | struct saa7146 *saa = pci_get_drvdata(pdev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2101 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2102 | /* turn off all capturing, DMA and IRQs */ |
| 2103 | saawrite(0xffff0000, SAA7146_MC1); /* reset chip */ |
| 2104 | saawrite(0, SAA7146_MC2); |
| 2105 | saawrite(0, SAA7146_IER); |
| 2106 | saawrite(0xffffffffUL, SAA7146_ISR); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2107 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2108 | /* disable PCI bus-mastering */ |
| 2109 | pci_read_config_byte(pdev, PCI_COMMAND, &command); |
| 2110 | command &= ~PCI_COMMAND_MASTER; |
| 2111 | pci_write_config_byte(pdev, PCI_COMMAND, command); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2112 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2113 | /* unmap and free memory */ |
| 2114 | saa->audhead = saa->audtail = saa->osdhead = 0; |
| 2115 | saa->vidhead = saa->vidtail = saa->osdtail = 0; |
| 2116 | vfree(saa->vidbuf); |
| 2117 | vfree(saa->audbuf); |
| 2118 | vfree(saa->osdbuf); |
| 2119 | kfree(saa->dmavid2); |
| 2120 | saa->audbuf = saa->vidbuf = saa->osdbuf = NULL; |
| 2121 | saa->dmavid2 = NULL; |
| 2122 | kfree(saa->dmadebi); |
| 2123 | kfree(saa->dmavid1); |
| 2124 | kfree(saa->dmavid3); |
| 2125 | kfree(saa->dmaa1in); |
| 2126 | kfree(saa->dmaa1out); |
| 2127 | kfree(saa->dmaa2in); |
| 2128 | kfree(saa->dmaa2out); |
| 2129 | kfree(saa->dmaRPS1); |
| 2130 | kfree(saa->dmaRPS2); |
| 2131 | free_irq(saa->irq, saa); |
| 2132 | if (saa->saa7146_mem) |
| 2133 | iounmap(saa->saa7146_mem); |
| 2134 | if (saa->video_dev.minor != -1) |
| 2135 | video_unregister_device(&saa->video_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2136 | } |
| 2137 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2138 | static int __devinit stradis_probe(struct pci_dev *pdev, |
| 2139 | const struct pci_device_id *ent) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2140 | { |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2141 | int retval = -EINVAL; |
| 2142 | |
| 2143 | if (saa_num >= SAA7146_MAX) |
| 2144 | goto err; |
| 2145 | |
| 2146 | if (!pdev->subsystem_vendor) |
| 2147 | dev_info(&pdev->dev, "%d: rev1 decoder\n", saa_num); |
| 2148 | else |
| 2149 | dev_info(&pdev->dev, "%d: SDM2xx found\n", saa_num); |
| 2150 | |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2151 | pci_set_drvdata(pdev, &saa7146s[saa_num]); |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2152 | |
| 2153 | retval = configure_saa7146(pdev, saa_num); |
| 2154 | if (retval) { |
| 2155 | dev_err(&pdev->dev, "%d: error in configuring\n", saa_num); |
| 2156 | goto err; |
| 2157 | } |
| 2158 | |
Jiri Slaby | 91fb835 | 2006-01-11 19:41:21 -0200 | [diff] [blame] | 2159 | if (init_saa7146(pdev) < 0) { |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2160 | dev_err(&pdev->dev, "%d: error in initialization\n", saa_num); |
| 2161 | retval = -EIO; |
| 2162 | goto errrel; |
| 2163 | } |
| 2164 | |
| 2165 | saa_num++; |
| 2166 | |
| 2167 | return 0; |
| 2168 | errrel: |
| 2169 | stradis_release_saa(pdev); |
| 2170 | err: |
| 2171 | return retval; |
| 2172 | } |
| 2173 | |
| 2174 | static void __devexit stradis_remove(struct pci_dev *pdev) |
| 2175 | { |
| 2176 | stradis_release_saa(pdev); |
| 2177 | } |
| 2178 | |
| 2179 | static struct pci_device_id stradis_pci_tbl[] = { |
| 2180 | { PCI_DEVICE(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146) }, |
| 2181 | { 0 } |
| 2182 | }; |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2183 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2184 | MODULE_DEVICE_TABLE(pci, stradis_pci_tbl); |
| 2185 | |
| 2186 | static struct pci_driver stradis_driver = { |
Jiri Slaby | f823f67 | 2006-01-11 19:41:32 -0200 | [diff] [blame] | 2187 | .name = "stradis", |
| 2188 | .id_table = stradis_pci_tbl, |
| 2189 | .probe = stradis_probe, |
| 2190 | .remove = __devexit_p(stradis_remove) |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2191 | }; |
| 2192 | |
| 2193 | int __init stradis_init(void) |
| 2194 | { |
| 2195 | int retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2196 | |
| 2197 | saa_num = 0; |
| 2198 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2199 | retval = pci_register_driver(&stradis_driver); |
| 2200 | if (retval) |
| 2201 | printk(KERN_ERR "stradis: Unable to register pci driver.\n"); |
| 2202 | |
| 2203 | return retval; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2204 | } |
| 2205 | |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2206 | void __exit stradis_exit(void) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2207 | { |
Jiri Slaby | 9ae8229 | 2006-01-11 19:41:13 -0200 | [diff] [blame] | 2208 | pci_unregister_driver(&stradis_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2209 | printk(KERN_INFO "stradis: module cleanup complete\n"); |
| 2210 | } |
| 2211 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2212 | module_init(stradis_init); |
| 2213 | module_exit(stradis_exit); |