drivers/media/pci/ttpci/av7110_hw.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * av7110_hw.c: av7110 low level hardware access and firmware interface
   4  *
   5  * Copyright (C) 1999-2002 Ralph  Metzler
   6  *                       & Marcus Metzler for convergence integrated media GmbH
   7  *
   8  * originally based on code by:
   9  * Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
  10  *
  11  * the project's page is at https://linuxtv.org
  12  */
  13
  14 /* for debugging ARM communication: */
  15 //#define COM_DEBUG
  16
  17 #include <linux/types.h>
  18 #include <linux/kernel.h>
  19 #include <linux/string.h>
  20 #include <linux/delay.h>
  21 #include <linux/fs.h>
  22
  23 #include "av7110.h"
  24 #include "av7110_hw.h"
  25
  26 #define _NOHANDSHAKE
  27
  28 /*
  29  * Max transfer size done by av7110_fw_cmd()
  30  *
  31  * The maximum size passed to this function is 6 bytes. The buffer also
  32  * uses two additional ones for type and size. So, 8 bytes is enough.
  33  */
  34 #define MAX_XFER_SIZE  8
  35
  36 /****************************************************************************
  37  * DEBI functions
  38  ****************************************************************************/
  39
  40 /* This DEBI code is based on the Stradis driver
  41    by Nathan Laredo <laredo@gnu.org> */
  42
  43 int av7110_debiwrite(struct av7110 *av7110, u32 config,
  44                      int addr, u32 val, unsigned int count)
  45 {
  46         struct saa7146_dev *dev = av7110->dev;
  47
  48         if (count > 32764) {
  49                 printk("%s: invalid count %d\n", __func__, count);
  50                 return -1;
  51         }
  52         if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
  53                 printk("%s: wait_for_debi_done failed\n", __func__);
  54                 return -1;
  55         }
  56         saa7146_write(dev, DEBI_CONFIG, config);
  57         if (count <= 4)         /* immediate transfer */
  58                 saa7146_write(dev, DEBI_AD, val);
  59         else                    /* block transfer */
  60                 saa7146_write(dev, DEBI_AD, av7110->debi_bus);
  61         saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
  62         saa7146_write(dev, MC2, (2 << 16) | 2);
  63         return 0;
  64 }
  65
  66 u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, unsigned int count)
  67 {
  68         struct saa7146_dev *dev = av7110->dev;
  69         u32 result = 0;
  70
  71         if (count > 32764) {
  72                 printk("%s: invalid count %d\n", __func__, count);
  73                 return 0;
  74         }
  75         if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
  76                 printk("%s: wait_for_debi_done #1 failed\n", __func__);
  77                 return 0;
  78         }
  79         saa7146_write(dev, DEBI_AD, av7110->debi_bus);
  80         saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
  81
  82         saa7146_write(dev, DEBI_CONFIG, config);
  83         saa7146_write(dev, MC2, (2 << 16) | 2);
  84         if (count > 4)
  85                 return count;
  86         if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
  87                 printk("%s: wait_for_debi_done #2 failed\n", __func__);
  88                 return 0;
  89         }
  90
  91         result = saa7146_read(dev, DEBI_AD);
  92         result &= (0xffffffffUL >> ((4 - count) * 8));
  93         return result;
  94 }
  95
  96
  97
  98 /* av7110 ARM core boot stuff */
  99 #if 0
 100 void av7110_reset_arm(struct av7110 *av7110)
 101 {
 102         saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);
 103
 104         /* Disable DEBI and GPIO irq */
 105         SAA7146_IER_DISABLE(av7110->dev, MASK_19 | MASK_03);
 106         SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
 107
 108         saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTHI);
 109         msleep(30);     /* the firmware needs some time to initialize */
 110
 111         ARM_ResetMailBox(av7110);
 112
 113         SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
 114         SAA7146_IER_ENABLE(av7110->dev, MASK_03);
 115
 116         av7110->arm_ready = 1;
 117         dprintk(1, "reset ARM\n");
 118 }
 119 #endif  /*  0  */
 120
 121 static int waitdebi(struct av7110 *av7110, int adr, int state)
 122 {
 123         int k;
 124
 125         dprintk(4, "%p\n", av7110);
 126
 127         for (k = 0; k < 100; k++) {
 128                 if (irdebi(av7110, DEBINOSWAP, adr, 0, 2) == state)
 129                         return 0;
 130                 udelay(5);
 131         }
 132         return -ETIMEDOUT;
 133 }
 134
 135 static int load_dram(struct av7110 *av7110, u32 *data, int len)
 136 {
 137         int i;
 138         int blocks, rest;
 139         u32 base, bootblock = AV7110_BOOT_BLOCK;
 140
 141         dprintk(4, "%p\n", av7110);
 142
 143         blocks = len / AV7110_BOOT_MAX_SIZE;
 144         rest = len % AV7110_BOOT_MAX_SIZE;
 145         base = DRAM_START_CODE;
 146
 147         for (i = 0; i < blocks; i++) {
 148                 if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
 149                         printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at block %d\n", i);
 150                         return -ETIMEDOUT;
 151                 }
 152                 dprintk(4, "writing DRAM block %d\n", i);
 153                 mwdebi(av7110, DEBISWAB, bootblock,
 154                        ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, AV7110_BOOT_MAX_SIZE);
 155                 bootblock ^= 0x1400;
 156                 iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
 157                 iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, AV7110_BOOT_MAX_SIZE, 2);
 158                 iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 159                 base += AV7110_BOOT_MAX_SIZE;
 160         }
 161
 162         if (rest > 0) {
 163                 if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
 164                         printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at last block\n");
 165                         return -ETIMEDOUT;
 166                 }
 167                 if (rest > 4)
 168                         mwdebi(av7110, DEBISWAB, bootblock,
 169                                ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, rest);
 170                 else
 171                         mwdebi(av7110, DEBISWAB, bootblock,
 172                                ((u8 *)data) + i * AV7110_BOOT_MAX_SIZE - 4, rest + 4);
 173
 174                 iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
 175                 iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, rest, 2);
 176                 iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 177         }
 178         if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
 179                 printk(KERN_ERR "dvb-ttpci: load_dram(): timeout after last block\n");
 180                 return -ETIMEDOUT;
 181         }
 182         iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, 0, 2);
 183         iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 184         if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_AV7110_BOOT_COMPLETE) < 0) {
 185                 printk(KERN_ERR "dvb-ttpci: load_dram(): final handshake timeout\n");
 186                 return -ETIMEDOUT;
 187         }
 188         return 0;
 189 }
 190
 191
 192 /* we cannot write av7110 DRAM directly, so load a bootloader into
 193  * the DPRAM which implements a simple boot protocol */
 194 int av7110_bootarm(struct av7110 *av7110)
 195 {
 196         const struct firmware *fw;
 197         const char *fw_name = "av7110/bootcode.bin";
 198         struct saa7146_dev *dev = av7110->dev;
 199         u32 ret;
 200         int i;
 201
 202         dprintk(4, "%p\n", av7110);
 203
 204         av7110->arm_ready = 0;
 205
 206         saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
 207
 208         /* Disable DEBI and GPIO irq */
 209         SAA7146_IER_DISABLE(av7110->dev, MASK_03 | MASK_19);
 210         SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
 211
 212         /* enable DEBI */
 213         saa7146_write(av7110->dev, MC1, 0x08800880);
 214         saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
 215         saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
 216
 217         /* test DEBI */
 218         iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
 219         /* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
 220         iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
 221
 222         if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
 223                 printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: %08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
 224                        ret, 0x10325476);
 225                 return -1;
 226         }
 227         for (i = 0; i < 8192; i += 4)
 228                 iwdebi(av7110, DEBISWAP, DPRAM_BASE + i, 0x00, 4);
 229         dprintk(2, "debi test OK\n");
 230
 231         /* boot */
 232         dprintk(1, "load boot code\n");
 233         saa7146_setgpio(dev, ARM_IRQ_LINE, SAA7146_GPIO_IRQLO);
 234         //saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
 235         //saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);
 236
 237         ret = request_firmware(&fw, fw_name, &dev->pci->dev);
 238         if (ret) {
 239                 printk(KERN_ERR "dvb-ttpci: Failed to load firmware \"%s\"\n",
 240                         fw_name);
 241                 return ret;
 242         }
 243
 244         mwdebi(av7110, DEBISWAB, DPRAM_BASE, fw->data, fw->size);
 245         release_firmware(fw);
 246         iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
 247
 248         if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
 249                 printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out\n");
 250                 return -ETIMEDOUT;
 251         }
 252         saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
 253         mdelay(1);
 254
 255         dprintk(1, "load dram code\n");
 256         if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
 257                 printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): load_dram() failed\n");
 258                 return -1;
 259         }
 260
 261         saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
 262         mdelay(1);
 263
 264         dprintk(1, "load dpram code\n");
 265         mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);
 266
 267         if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
 268                 printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out after loading DRAM\n");
 269                 return -ETIMEDOUT;
 270         }
 271         saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
 272         msleep(30);     /* the firmware needs some time to initialize */
 273
 274         //ARM_ClearIrq(av7110);
 275         ARM_ResetMailBox(av7110);
 276         SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
 277         SAA7146_IER_ENABLE(av7110->dev, MASK_03);
 278
 279         av7110->arm_errors = 0;
 280         av7110->arm_ready = 1;
 281         return 0;
 282 }
 283 MODULE_FIRMWARE("av7110/bootcode.bin");
 284
 285 /****************************************************************************
 286  * DEBI command polling
 287  ****************************************************************************/
 288
 289 int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
 290 {
 291         unsigned long start;
 292         u32 stat;
 293         int err;
 294
 295         if (FW_VERSION(av7110->arm_app) <= 0x261c) {
 296                 /* not supported by old firmware */
 297                 msleep(50);
 298                 return 0;
 299         }
 300
 301         /* new firmware */
 302         start = jiffies;
 303         for (;;) {
 304                 err = time_after(jiffies, start + ARM_WAIT_FREE);
 305                 if (mutex_lock_interruptible(&av7110->dcomlock))
 306                         return -ERESTARTSYS;
 307                 stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 308                 mutex_unlock(&av7110->dcomlock);
 309                 if ((stat & flags) == 0)
 310                         break;
 311                 if (err) {
 312                         printk(KERN_ERR "%s: timeout waiting for MSGSTATE %04x\n",
 313                                 __func__, stat & flags);
 314                         return -ETIMEDOUT;
 315                 }
 316                 msleep(1);
 317         }
 318         return 0;
 319 }
 320
 321 static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 322 {
 323         int i;
 324         unsigned long start;
 325         char *type = NULL;
 326         u16 flags[2] = {0, 0};
 327         u32 stat;
 328         int err;
 329
 330 //      dprintk(4, "%p\n", av7110);
 331
 332         if (!av7110->arm_ready) {
 333                 dprintk(1, "arm not ready.\n");
 334                 return -ENXIO;
 335         }
 336
 337         start = jiffies;
 338         while (1) {
 339                 err = time_after(jiffies, start + ARM_WAIT_FREE);
 340                 if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
 341                         break;
 342                 if (err) {
 343                         printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND idle\n", __func__);
 344                         av7110->arm_errors++;
 345                         return -ETIMEDOUT;
 346                 }
 347                 msleep(1);
 348         }
 349
 350         if (FW_VERSION(av7110->arm_app) <= 0x261f)
 351                 wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0xffff, 2);
 352
 353 #ifndef _NOHANDSHAKE
 354         start = jiffies;
 355         while (1) {
 356                 err = time_after(jiffies, start + ARM_WAIT_SHAKE);
 357                 if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
 358                         break;
 359                 if (err) {
 360                         printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for HANDSHAKE_REG\n", __func__);
 361                         return -ETIMEDOUT;
 362                 }
 363                 msleep(1);
 364         }
 365 #endif
 366
 367         switch ((buf[0] >> 8) & 0xff) {
 368         case COMTYPE_PIDFILTER:
 369         case COMTYPE_ENCODER:
 370         case COMTYPE_REC_PLAY:
 371         case COMTYPE_MPEGDECODER:
 372                 type = "MSG";
 373                 flags[0] = GPMQOver;
 374                 flags[1] = GPMQFull;
 375                 break;
 376         case COMTYPE_OSD:
 377                 type = "OSD";
 378                 flags[0] = OSDQOver;
 379                 flags[1] = OSDQFull;
 380                 break;
 381         case COMTYPE_MISC:
 382                 if (FW_VERSION(av7110->arm_app) >= 0x261d) {
 383                         type = "MSG";
 384                         flags[0] = GPMQOver;
 385                         flags[1] = GPMQBusy;
 386                 }
 387                 break;
 388         default:
 389                 break;
 390         }
 391
 392         if (type != NULL) {
 393                 /* non-immediate COMMAND type */
 394                 start = jiffies;
 395                 for (;;) {
 396                         err = time_after(jiffies, start + ARM_WAIT_FREE);
 397                         stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 398                         if (stat & flags[0]) {
 399                                 printk(KERN_ERR "%s: %s QUEUE overflow\n",
 400                                         __func__, type);
 401                                 return -1;
 402                         }
 403                         if ((stat & flags[1]) == 0)
 404                                 break;
 405                         if (err) {
 406                                 printk(KERN_ERR "%s: timeout waiting on busy %s QUEUE\n",
 407                                         __func__, type);
 408                                 av7110->arm_errors++;
 409                                 return -ETIMEDOUT;
 410                         }
 411                         msleep(1);
 412                 }
 413         }
 414
 415         for (i = 2; i < length; i++)
 416                 wdebi(av7110, DEBINOSWAP, COMMAND + 2 * i, (u32) buf[i], 2);
 417
 418         if (length)
 419                 wdebi(av7110, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
 420         else
 421                 wdebi(av7110, DEBINOSWAP, COMMAND + 2, 0, 2);
 422
 423         wdebi(av7110, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
 424
 425         if (FW_VERSION(av7110->arm_app) <= 0x261f)
 426                 wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0x0000, 2);
 427
 428 #ifdef COM_DEBUG
 429         start = jiffies;
 430         while (1) {
 431                 err = time_after(jiffies, start + ARM_WAIT_FREE);
 432                 if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
 433                         break;
 434                 if (err) {
 435                         printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND %d to complete\n",
 436                                __func__, (buf[0] >> 8) & 0xff);
 437                         return -ETIMEDOUT;
 438                 }
 439                 msleep(1);
 440         }
 441
 442         stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 443         if (stat & GPMQOver) {
 444                 printk(KERN_ERR "dvb-ttpci: %s(): GPMQOver\n", __func__);
 445                 return -ENOSPC;
 446         }
 447         else if (stat & OSDQOver) {
 448                 printk(KERN_ERR "dvb-ttpci: %s(): OSDQOver\n", __func__);
 449                 return -ENOSPC;
 450         }
 451 #endif
 452
 453         return 0;
 454 }
 455
 456 static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
 457 {
 458         int ret;
 459
 460 //      dprintk(4, "%p\n", av7110);
 461
 462         if (!av7110->arm_ready) {
 463                 dprintk(1, "arm not ready.\n");
 464                 return -1;
 465         }
 466         if (mutex_lock_interruptible(&av7110->dcomlock))
 467                 return -ERESTARTSYS;
 468
 469         ret = __av7110_send_fw_cmd(av7110, buf, length);
 470         mutex_unlock(&av7110->dcomlock);
 471         if (ret && ret!=-ERESTARTSYS)
 472                 printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
 473                        __func__, ret);
 474         return ret;
 475 }
 476
 477 int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
 478 {
 479         va_list args;
 480         u16 buf[MAX_XFER_SIZE];
 481         int i, ret;
 482
 483 //      dprintk(4, "%p\n", av7110);
 484
 485         if (2 + num > ARRAY_SIZE(buf)) {
 486                 printk(KERN_WARNING
 487                        "%s: %s len=%d is too big!\n",
 488                        KBUILD_MODNAME, __func__, num);
 489                 return -EINVAL;
 490         }
 491
 492         buf[0] = ((type << 8) | com);
 493         buf[1] = num;
 494
 495         if (num) {
 496                 va_start(args, num);
 497                 for (i = 0; i < num; i++)
 498                         buf[i + 2] = va_arg(args, u32);
 499                 va_end(args);
 500         }
 501
 502         ret = av7110_send_fw_cmd(av7110, buf, num + 2);
 503         if (ret && ret != -ERESTARTSYS)
 504                 printk(KERN_ERR "dvb-ttpci: av7110_fw_cmd error %d\n", ret);
 505         return ret;
 506 }
 507
 508 #if 0
 509 int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
 510 {
 511         int i, ret;
 512         u16 cmd[18] = { ((COMTYPE_COMMON_IF << 8) + subcom),
 513                 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 514
 515         dprintk(4, "%p\n", av7110);
 516
 517         for(i = 0; i < len && i < 32; i++)
 518         {
 519                 if(i % 2 == 0)
 520                         cmd[(i / 2) + 2] = (u16)(buf[i]) << 8;
 521                 else
 522                         cmd[(i / 2) + 2] |= buf[i];
 523         }
 524
 525         ret = av7110_send_fw_cmd(av7110, cmd, 18);
 526         if (ret && ret != -ERESTARTSYS)
 527                 printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
 528         return ret;
 529 }
 530 #endif  /*  0  */
 531
 532 int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
 533                       int request_buf_len, u16 *reply_buf, int reply_buf_len)
 534 {
 535         int err;
 536         s16 i;
 537         unsigned long start;
 538 #ifdef COM_DEBUG
 539         u32 stat;
 540 #endif
 541
 542         dprintk(4, "%p\n", av7110);
 543
 544         if (!av7110->arm_ready) {
 545                 dprintk(1, "arm not ready.\n");
 546                 return -1;
 547         }
 548
 549         if (mutex_lock_interruptible(&av7110->dcomlock))
 550                 return -ERESTARTSYS;
 551
 552         if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
 553                 mutex_unlock(&av7110->dcomlock);
 554                 printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
 555                 return err;
 556         }
 557
 558         start = jiffies;
 559         while (1) {
 560                 err = time_after(jiffies, start + ARM_WAIT_FREE);
 561                 if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
 562                         break;
 563                 if (err) {
 564                         printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __func__);
 565                         mutex_unlock(&av7110->dcomlock);
 566                         return -ETIMEDOUT;
 567                 }
 568 #ifdef _NOHANDSHAKE
 569                 msleep(1);
 570 #endif
 571         }
 572
 573 #ifndef _NOHANDSHAKE
 574         start = jiffies;
 575         while (1) {
 576                 err = time_after(jiffies, start + ARM_WAIT_SHAKE);
 577                 if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
 578                         break;
 579                 if (err) {
 580                         printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __func__);
 581                         mutex_unlock(&av7110->dcomlock);
 582                         return -ETIMEDOUT;
 583                 }
 584                 msleep(1);
 585         }
 586 #endif
 587
 588 #ifdef COM_DEBUG
 589         stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
 590         if (stat & GPMQOver) {
 591                 printk(KERN_ERR "%s: GPMQOver\n", __func__);
 592                 mutex_unlock(&av7110->dcomlock);
 593                 return -1;
 594         }
 595         else if (stat & OSDQOver) {
 596                 printk(KERN_ERR "%s: OSDQOver\n", __func__);
 597                 mutex_unlock(&av7110->dcomlock);
 598                 return -1;
 599         }
 600 #endif
 601
 602         for (i = 0; i < reply_buf_len; i++)
 603                 reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
 604
 605         mutex_unlock(&av7110->dcomlock);
 606         return 0;
 607 }
 608
 609 static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
 610 {
 611         int ret;
 612         ret = av7110_fw_request(av7110, &tag, 0, buf, length);
 613         if (ret)
 614                 printk(KERN_ERR "dvb-ttpci: av7110_fw_query error %d\n", ret);
 615         return ret;
 616 }
 617
 618
 619 /****************************************************************************
 620  * Firmware commands
 621  ****************************************************************************/
 622
 623 /* get version of the firmware ROM, RTSL, video ucode and ARM application  */
 624 int av7110_firmversion(struct av7110 *av7110)
 625 {
 626         u16 buf[20];
 627         u16 tag = ((COMTYPE_REQUEST << 8) + ReqVersion);
 628
 629         dprintk(4, "%p\n", av7110);
 630
 631         if (av7110_fw_query(av7110, tag, buf, 16)) {
 632                 printk("dvb-ttpci: failed to boot firmware @ card %d\n",
 633                        av7110->dvb_adapter.num);
 634                 return -EIO;
 635         }
 636
 637         av7110->arm_fw = (buf[0] << 16) + buf[1];
 638         av7110->arm_rtsl = (buf[2] << 16) + buf[3];
 639         av7110->arm_vid = (buf[4] << 16) + buf[5];
 640         av7110->arm_app = (buf[6] << 16) + buf[7];
 641         av7110->avtype = (buf[8] << 16) + buf[9];
 642
 643         printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
 644                av7110->dvb_adapter.num, av7110->arm_fw,
 645                av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);
 646
 647         /* print firmware capabilities */
 648         if (FW_CI_LL_SUPPORT(av7110->arm_app))
 649                 printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
 650                        av7110->dvb_adapter.num);
 651         else
 652                 printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
 653                        av7110->dvb_adapter.num);
 654
 655         return 0;
 656 }
 657
 658
 659 int av7110_diseqc_send(struct av7110 *av7110, int len, u8 *msg, unsigned long burst)
 660 {
 661         int i, ret;
 662         u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) + SendDiSEqC),
 663                         16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
 664
 665         dprintk(4, "%p\n", av7110);
 666
 667         if (len > 10)
 668                 len = 10;
 669
 670         buf[1] = len + 2;
 671         buf[2] = len;
 672
 673         if (burst != -1)
 674                 buf[3] = burst ? 0x01 : 0x00;
 675         else
 676                 buf[3] = 0xffff;
 677
 678         for (i = 0; i < len; i++)
 679                 buf[i + 4] = msg[i];
 680
 681         ret = av7110_send_fw_cmd(av7110, buf, 18);
 682         if (ret && ret!=-ERESTARTSYS)
 683                 printk(KERN_ERR "dvb-ttpci: av7110_diseqc_send error %d\n", ret);
 684         return ret;
 685 }
 686
 687
 688 #ifdef CONFIG_DVB_AV7110_OSD
 689
 690 static inline int SetColorBlend(struct av7110 *av7110, u8 windownr)
 691 {
 692         return av7110_fw_cmd(av7110, COMTYPE_OSD, SetCBlend, 1, windownr);
 693 }
 694
 695 static inline int SetBlend_(struct av7110 *av7110, u8 windownr,
 696                      enum av7110_osd_palette_type colordepth, u16 index, u8 blending)
 697 {
 698         return av7110_fw_cmd(av7110, COMTYPE_OSD, SetBlend, 4,
 699                              windownr, colordepth, index, blending);
 700 }
 701
 702 static inline int SetColor_(struct av7110 *av7110, u8 windownr,
 703                      enum av7110_osd_palette_type colordepth, u16 index, u16 colorhi, u16 colorlo)
 704 {
 705         return av7110_fw_cmd(av7110, COMTYPE_OSD, SetColor, 5,
 706                              windownr, colordepth, index, colorhi, colorlo);
 707 }
 708
 709 static inline int SetFont(struct av7110 *av7110, u8 windownr, u8 fontsize,
 710                           u16 colorfg, u16 colorbg)
 711 {
 712         return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Font, 4,
 713                              windownr, fontsize, colorfg, colorbg);
 714 }
 715
 716 static int FlushText(struct av7110 *av7110)
 717 {
 718         unsigned long start;
 719         int err;
 720
 721         if (mutex_lock_interruptible(&av7110->dcomlock))
 722                 return -ERESTARTSYS;
 723         start = jiffies;
 724         while (1) {
 725                 err = time_after(jiffies, start + ARM_WAIT_OSD);
 726                 if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
 727                         break;
 728                 if (err) {
 729                         printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
 730                                __func__);
 731                         mutex_unlock(&av7110->dcomlock);
 732                         return -ETIMEDOUT;
 733                 }
 734                 msleep(1);
 735         }
 736         mutex_unlock(&av7110->dcomlock);
 737         return 0;
 738 }
 739
 740 static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, char *buf)
 741 {
 742         int i, ret;
 743         unsigned long start;
 744         int length = strlen(buf) + 1;
 745         u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
 746
 747         if (mutex_lock_interruptible(&av7110->dcomlock))
 748                 return -ERESTARTSYS;
 749
 750         start = jiffies;
 751         while (1) {
 752                 ret = time_after(jiffies, start + ARM_WAIT_OSD);
 753                 if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
 754                         break;
 755                 if (ret) {
 756                         printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
 757                                __func__);
 758                         mutex_unlock(&av7110->dcomlock);
 759                         return -ETIMEDOUT;
 760                 }
 761                 msleep(1);
 762         }
 763 #ifndef _NOHANDSHAKE
 764         start = jiffies;
 765         while (1) {
 766                 ret = time_after(jiffies, start + ARM_WAIT_SHAKE);
 767                 if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
 768                         break;
 769                 if (ret) {
 770                         printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
 771                                __func__);
 772                         mutex_unlock(&av7110->dcomlock);
 773                         return -ETIMEDOUT;
 774                 }
 775                 msleep(1);
 776         }
 777 #endif
 778         for (i = 0; i < length / 2; i++)
 779                 wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2,
 780                       swab16(*(u16 *)(buf + 2 * i)), 2);
 781         if (length & 1)
 782                 wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
 783         ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
 784         mutex_unlock(&av7110->dcomlock);
 785         if (ret && ret!=-ERESTARTSYS)
 786                 printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
 787         return ret;
 788 }
 789
 790 static inline int DrawLine(struct av7110 *av7110, u8 windownr,
 791                            u16 x, u16 y, u16 dx, u16 dy, u16 color)
 792 {
 793         return av7110_fw_cmd(av7110, COMTYPE_OSD, DLine, 6,
 794                              windownr, x, y, dx, dy, color);
 795 }
 796
 797 static inline int DrawBlock(struct av7110 *av7110, u8 windownr,
 798                             u16 x, u16 y, u16 dx, u16 dy, u16 color)
 799 {
 800         return av7110_fw_cmd(av7110, COMTYPE_OSD, DBox, 6,
 801                              windownr, x, y, dx, dy, color);
 802 }
 803
 804 static inline int HideWindow(struct av7110 *av7110, u8 windownr)
 805 {
 806         return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
 807 }
 808
 809 static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
 810 {
 811         return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
 812 }
 813
 814 static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
 815 {
 816         return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
 817 }
 818
 819 static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
 820 {
 821         return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
 822 }
 823
 824 static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
 825                                   osd_raw_window_t disptype,
 826                                   u16 width, u16 height)
 827 {
 828         return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
 829                              windownr, disptype, width, height);
 830 }
 831
 832
 833 static enum av7110_osd_palette_type bpp2pal[8] = {
 834         Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
 835 };
 836 static osd_raw_window_t bpp2bit[8] = {
 837         OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
 838 };
 839
 840 static inline int WaitUntilBmpLoaded(struct av7110 *av7110)
 841 {
 842         int ret = wait_event_timeout(av7110->bmpq,
 843                                 av7110->bmp_state != BMP_LOADING, 10*HZ);
 844         if (ret == 0) {
 845                 printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
 846                        ret, av7110->bmp_state);
 847                 av7110->bmp_state = BMP_NONE;
 848                 return -ETIMEDOUT;
 849         }
 850         return 0;
 851 }
 852
 853 static inline int LoadBitmap(struct av7110 *av7110,
 854                              u16 dx, u16 dy, int inc, u8 __user * data)
 855 {
 856         u16 format;
 857         int bpp;
 858         int i;
 859         int d, delta;
 860         u8 c;
 861         int ret;
 862
 863         dprintk(4, "%p\n", av7110);
 864
 865         format = bpp2bit[av7110->osdbpp[av7110->osdwin]];
 866
 867         av7110->bmp_state = BMP_LOADING;
 868         if      (format == OSD_BITMAP8) {
 869                 bpp=8; delta = 1;
 870         } else if (format == OSD_BITMAP4) {
 871                 bpp=4; delta = 2;
 872         } else if (format == OSD_BITMAP2) {
 873                 bpp=2; delta = 4;
 874         } else if (format == OSD_BITMAP1) {
 875                 bpp=1; delta = 8;
 876         } else {
 877                 av7110->bmp_state = BMP_NONE;
 878                 return -EINVAL;
 879         }
 880         av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
 881         av7110->bmpp = 0;
 882         if (av7110->bmplen > 32768) {
 883                 av7110->bmp_state = BMP_NONE;
 884                 return -EINVAL;
 885         }
 886         for (i = 0; i < dy; i++) {
 887                 if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
 888                         av7110->bmp_state = BMP_NONE;
 889                         return -EINVAL;
 890                 }
 891         }
 892         if (format != OSD_BITMAP8) {
 893                 for (i = 0; i < dx * dy / delta; i++) {
 894                         c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
 895                         for (d = delta - 2; d >= 0; d--) {
 896                                 c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
 897                                       << ((delta - d - 1) * bpp));
 898                                 ((u8 *)av7110->bmpbuf)[1024 + i] = c;
 899                         }
 900                 }
 901         }
 902         av7110->bmplen += 1024;
 903         dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
 904         ret = av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
 905         if (!ret)
 906                 ret = WaitUntilBmpLoaded(av7110);
 907         return ret;
 908 }
 909
 910 static int BlitBitmap(struct av7110 *av7110, u16 x, u16 y)
 911 {
 912         dprintk(4, "%p\n", av7110);
 913
 914         return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, av7110->osdwin, x, y, 0);
 915 }
 916
 917 static inline int ReleaseBitmap(struct av7110 *av7110)
 918 {
 919         dprintk(4, "%p\n", av7110);
 920
 921         if (av7110->bmp_state != BMP_LOADED && FW_VERSION(av7110->arm_app) < 0x261e)
 922                 return -1;
 923         if (av7110->bmp_state == BMP_LOADING)
 924                 dprintk(1,"ReleaseBitmap called while BMP_LOADING\n");
 925         av7110->bmp_state = BMP_NONE;
 926         return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
 927 }
 928
 929 static u32 RGB2YUV(u16 R, u16 G, u16 B)
 930 {
 931         u16 y, u, v;
 932         u16 Y, Cr, Cb;
 933
 934         y = R * 77 + G * 150 + B * 29;  /* Luma=0.299R+0.587G+0.114B 0..65535 */
 935         u = 2048 + B * 8 -(y >> 5);     /* Cr 0..4095 */
 936         v = 2048 + R * 8 -(y >> 5);     /* Cb 0..4095 */
 937
 938         Y = y / 256;
 939         Cb = u / 16;
 940         Cr = v / 16;
 941
 942         return Cr | (Cb << 16) | (Y << 8);
 943 }
 944
 945 static int OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
 946 {
 947         int ret;
 948
 949         u16 ch, cl;
 950         u32 yuv;
 951
 952         yuv = blend ? RGB2YUV(r,g,b) : 0;
 953         cl = (yuv & 0xffff);
 954         ch = ((yuv >> 16) & 0xffff);
 955         ret = SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
 956                         color, ch, cl);
 957         if (!ret)
 958                 ret = SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
 959                                 color, ((blend >> 4) & 0x0f));
 960         return ret;
 961 }
 962
 963 static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
 964 {
 965         int i;
 966         int length = last - first + 1;
 967
 968         if (length * 4 > DATA_BUFF3_SIZE)
 969                 return -EINVAL;
 970
 971         for (i = 0; i < length; i++) {
 972                 u32 color, blend, yuv;
 973
 974                 if (get_user(color, colors + i))
 975                         return -EFAULT;
 976                 blend = (color & 0xF0000000) >> 4;
 977                 yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
 978                                      (color >> 16) & 0xFF) | blend : 0;
 979                 yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
 980                 wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
 981         }
 982         return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
 983                             av7110->osdwin,
 984                             bpp2pal[av7110->osdbpp[av7110->osdwin]],
 985                             first, last);
 986 }
 987
 988 static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
 989                        int x1, int y1, int inc, u8 __user * data)
 990 {
 991         uint w, h, bpp, bpl, size, lpb, bnum, brest;
 992         int i;
 993         int rc,release_rc;
 994
 995         w = x1 - x0 + 1;
 996         h = y1 - y0 + 1;
 997         if (inc <= 0)
 998                 inc = w;
 999         if (w <= 0 || w > 720 || h <= 0 || h > 576)
1000                 return -EINVAL;
1001         bpp = av7110->osdbpp[av7110->osdwin] + 1;
1002         bpl = ((w * bpp + 7) & ~7) / 8;
1003         size = h * bpl;
1004         lpb = (32 * 1024) / bpl;
1005         bnum = size / (lpb * bpl);
1006         brest = size - bnum * lpb * bpl;
1007
1008         if (av7110->bmp_state == BMP_LOADING) {
1009                 /* possible if syscall is repeated by -ERESTARTSYS and if firmware cannot abort */
1010                 BUG_ON (FW_VERSION(av7110->arm_app) >= 0x261e);
1011                 rc = WaitUntilBmpLoaded(av7110);
1012                 if (rc)
1013                         return rc;
1014                 /* just continue. This should work for all fw versions
1015                  * if bnum==1 && !brest && LoadBitmap was successful
1016                  */
1017         }
1018
1019         rc = 0;
1020         for (i = 0; i < bnum; i++) {
1021                 rc = LoadBitmap(av7110, w, lpb, inc, data);
1022                 if (rc)
1023                         break;
1024                 rc = BlitBitmap(av7110, x0, y0 + i * lpb);
1025                 if (rc)
1026                         break;
1027                 data += lpb * inc;
1028         }
1029         if (!rc && brest) {
1030                 rc = LoadBitmap(av7110, w, brest / bpl, inc, data);
1031                 if (!rc)
1032                         rc = BlitBitmap(av7110, x0, y0 + bnum * lpb);
1033         }
1034         release_rc = ReleaseBitmap(av7110);
1035         if (!rc)
1036                 rc = release_rc;
1037         if (rc)
1038                 dprintk(1,"returns %d\n",rc);
1039         return rc;
1040 }
1041
1042 int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
1043 {
1044         int ret;
1045
1046         if (mutex_lock_interruptible(&av7110->osd_mutex))
1047                 return -ERESTARTSYS;
1048
1049         switch (dc->cmd) {
1050         case OSD_Close:
1051                 ret = DestroyOSDWindow(av7110, av7110->osdwin);
1052                 break;
1053         case OSD_Open:
1054                 av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
1055                 ret = CreateOSDWindow(av7110, av7110->osdwin,
1056                                 bpp2bit[av7110->osdbpp[av7110->osdwin]],
1057                                 dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
1058                 if (ret)
1059                         break;
1060                 if (!dc->data) {
1061                         ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1062                         if (ret)
1063                                 break;
1064                         ret = SetColorBlend(av7110, av7110->osdwin);
1065                 }
1066                 break;
1067         case OSD_Show:
1068                 ret = MoveWindowRel(av7110, av7110->osdwin, 0, 0);
1069                 break;
1070         case OSD_Hide:
1071                 ret = HideWindow(av7110, av7110->osdwin);
1072                 break;
1073         case OSD_Clear:
1074                 ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
1075                 break;
1076         case OSD_Fill:
1077                 ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
1078                 break;
1079         case OSD_SetColor:
1080                 ret = OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
1081                 break;
1082         case OSD_SetPalette:
1083                 if (FW_VERSION(av7110->arm_app) >= 0x2618)
1084                         ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
1085                 else {
1086                         int i, len = dc->x0-dc->color+1;
1087                         u8 __user *colors = (u8 __user *)dc->data;
1088                         u8 r, g = 0, b = 0, blend = 0;
1089                         ret = 0;
1090                         for (i = 0; i<len; i++) {
1091                                 if (get_user(r, colors + i * 4) ||
1092                                     get_user(g, colors + i * 4 + 1) ||
1093                                     get_user(b, colors + i * 4 + 2) ||
1094                                     get_user(blend, colors + i * 4 + 3)) {
1095                                         ret = -EFAULT;
1096                                         break;
1097                                     }
1098                                 ret = OSDSetColor(av7110, dc->color + i, r, g, b, blend);
1099                                 if (ret)
1100                                         break;
1101                         }
1102                 }
1103                 break;
1104         case OSD_SetPixel:
1105                 ret = DrawLine(av7110, av7110->osdwin,
1106                          dc->x0, dc->y0, 0, 0, dc->color);
1107                 break;
1108         case OSD_SetRow:
1109                 dc->y1 = dc->y0;
1110                 fallthrough;
1111         case OSD_SetBlock:
1112                 ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
1113                 break;
1114         case OSD_FillRow:
1115                 ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
1116                           dc->x1-dc->x0+1, dc->y1, dc->color);
1117                 break;
1118         case OSD_FillBlock:
1119                 ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
1120                           dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
1121                 break;
1122         case OSD_Line:
1123                 ret = DrawLine(av7110, av7110->osdwin,
1124                          dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
1125                 break;
1126         case OSD_Text:
1127         {
1128                 char textbuf[240];
1129
1130                 if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
1131                         ret = -EFAULT;
1132                         break;
1133                 }
1134                 textbuf[239] = 0;
1135                 if (dc->x1 > 3)
1136                         dc->x1 = 3;
1137                 ret = SetFont(av7110, av7110->osdwin, dc->x1,
1138                         (u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
1139                 if (!ret)
1140                         ret = FlushText(av7110);
1141                 if (!ret)
1142                         ret = WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
1143                 break;
1144         }
1145         case OSD_SetWindow:
1146                 if (dc->x0 < 1 || dc->x0 > 7)
1147                         ret = -EINVAL;
1148                 else {
1149                         av7110->osdwin = dc->x0;
1150                         ret = 0;
1151                 }
1152                 break;
1153         case OSD_MoveWindow:
1154                 ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1155                 if (!ret)
1156                         ret = SetColorBlend(av7110, av7110->osdwin);
1157                 break;
1158         case OSD_OpenRaw:
1159                 if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
1160                         ret = -EINVAL;
1161                         break;
1162                 }
1163                 if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR)
1164                         av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
1165                 else
1166                         av7110->osdbpp[av7110->osdwin] = 0;
1167                 ret = CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
1168                                 dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
1169                 if (ret)
1170                         break;
1171                 if (!dc->data) {
1172                         ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
1173                         if (!ret)
1174                                 ret = SetColorBlend(av7110, av7110->osdwin);
1175                 }
1176                 break;
1177         default:
1178                 ret = -EINVAL;
1179                 break;
1180         }
1181
1182         mutex_unlock(&av7110->osd_mutex);
1183         if (ret==-ERESTARTSYS)
1184                 dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
1185         else if (ret)
1186                 dprintk(1, "av7110_osd_cmd(%d) returns with %d\n",dc->cmd,ret);
1187
1188         return ret;
1189 }
1190
1191 int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
1192 {
1193         switch (cap->cmd) {
1194         case OSD_CAP_MEMSIZE:
1195                 if (FW_4M_SDRAM(av7110->arm_app))
1196                         cap->val = 1000000;
1197                 else
1198                         cap->val = 92000;
1199                 return 0;
1200         default:
1201                 return -EINVAL;
1202         }
1203 }
1204 #endif /* CONFIG_DVB_AV7110_OSD */