hw/spitz.c

   1 /*
   2  * PXA270-based Clamshell PDA platforms.
   3  *
   4  * Copyright (c) 2006 Openedhand Ltd.
   5  * Written by Andrzej Zaborowski <balrog@zabor.org>
   6  *
   7  * This code is licensed under the GNU GPL v2.
   8  */
   9
  10 #include "hw.h"
  11 #include "pxa.h"
  12 #include "arm-misc.h"
  13 #include "sysemu.h"
  14 #include "pcmcia.h"
  15 #include "i2c.h"
  16 #include "ssi.h"
  17 #include "flash.h"
  18 #include "qemu-timer.h"
  19 #include "devices.h"
  20 #include "sharpsl.h"
  21 #include "console.h"
  22 #include "block.h"
  23 #include "audio/audio.h"
  24 #include "boards.h"
  25
  26 #undef REG_FMT
  27 #define REG_FMT                 "0x%02lx"
  28
  29 /* Spitz Flash */
  30 #define FLASH_BASE              0x0c000000
  31 #define FLASH_ECCLPLB           0x00    /* Line parity 7 - 0 bit */
  32 #define FLASH_ECCLPUB           0x04    /* Line parity 15 - 8 bit */
  33 #define FLASH_ECCCP             0x08    /* Column parity 5 - 0 bit */
  34 #define FLASH_ECCCNTR           0x0c    /* ECC byte counter */
  35 #define FLASH_ECCCLRR           0x10    /* Clear ECC */
  36 #define FLASH_FLASHIO           0x14    /* Flash I/O */
  37 #define FLASH_FLASHCTL          0x18    /* Flash Control */
  38
  39 #define FLASHCTL_CE0            (1 << 0)
  40 #define FLASHCTL_CLE            (1 << 1)
  41 #define FLASHCTL_ALE            (1 << 2)
  42 #define FLASHCTL_WP             (1 << 3)
  43 #define FLASHCTL_CE1            (1 << 4)
  44 #define FLASHCTL_RYBY           (1 << 5)
  45 #define FLASHCTL_NCE            (FLASHCTL_CE0 | FLASHCTL_CE1)
  46
  47 typedef struct {
  48     NANDFlashState *nand;
  49     uint8_t ctl;
  50     ECCState ecc;
  51 } SLNANDState;
  52
  53 static uint32_t sl_readb(void *opaque, target_phys_addr_t addr)
  54 {
  55     SLNANDState *s = (SLNANDState *) opaque;
  56     int ryby;
  57
  58     switch (addr) {
  59 #define BSHR(byte, from, to)    ((s->ecc.lp[byte] >> (from - to)) & (1 << to))
  60     case FLASH_ECCLPLB:
  61         return BSHR(0, 4, 0) | BSHR(0, 5, 2) | BSHR(0, 6, 4) | BSHR(0, 7, 6) |
  62                 BSHR(1, 4, 1) | BSHR(1, 5, 3) | BSHR(1, 6, 5) | BSHR(1, 7, 7);
  63
  64 #define BSHL(byte, from, to)    ((s->ecc.lp[byte] << (to - from)) & (1 << to))
  65     case FLASH_ECCLPUB:
  66         return BSHL(0, 0, 0) | BSHL(0, 1, 2) | BSHL(0, 2, 4) | BSHL(0, 3, 6) |
  67                 BSHL(1, 0, 1) | BSHL(1, 1, 3) | BSHL(1, 2, 5) | BSHL(1, 3, 7);
  68
  69     case FLASH_ECCCP:
  70         return s->ecc.cp;
  71
  72     case FLASH_ECCCNTR:
  73         return s->ecc.count & 0xff;
  74
  75     case FLASH_FLASHCTL:
  76         nand_getpins(s->nand, &ryby);
  77         if (ryby)
  78             return s->ctl | FLASHCTL_RYBY;
  79         else
  80             return s->ctl;
  81
  82     case FLASH_FLASHIO:
  83         return ecc_digest(&s->ecc, nand_getio(s->nand));
  84
  85     default:
  86         zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr);
  87     }
  88     return 0;
  89 }
  90
  91 static uint32_t sl_readl(void *opaque, target_phys_addr_t addr)
  92 {
  93     SLNANDState *s = (SLNANDState *) opaque;
  94
  95     if (addr == FLASH_FLASHIO)
  96         return ecc_digest(&s->ecc, nand_getio(s->nand)) |
  97                 (ecc_digest(&s->ecc, nand_getio(s->nand)) << 16);
  98
  99     return sl_readb(opaque, addr);
 100 }
 101
 102 static void sl_writeb(void *opaque, target_phys_addr_t addr,
 103                 uint32_t value)
 104 {
 105     SLNANDState *s = (SLNANDState *) opaque;
 106
 107     switch (addr) {
 108     case FLASH_ECCCLRR:
 109         /* Value is ignored.  */
 110         ecc_reset(&s->ecc);
 111         break;
 112
 113     case FLASH_FLASHCTL:
 114         s->ctl = value & 0xff & ~FLASHCTL_RYBY;
 115         nand_setpins(s->nand,
 116                         s->ctl & FLASHCTL_CLE,
 117                         s->ctl & FLASHCTL_ALE,
 118                         s->ctl & FLASHCTL_NCE,
 119                         s->ctl & FLASHCTL_WP,
 120                         0);
 121         break;
 122
 123     case FLASH_FLASHIO:
 124         nand_setio(s->nand, ecc_digest(&s->ecc, value & 0xff));
 125         break;
 126
 127     default:
 128         zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr);
 129     }
 130 }
 131
 132 static void sl_save(QEMUFile *f, void *opaque)
 133 {
 134     SLNANDState *s = (SLNANDState *) opaque;
 135
 136     qemu_put_8s(f, &s->ctl);
 137     ecc_put(f, &s->ecc);
 138 }
 139
 140 static int sl_load(QEMUFile *f, void *opaque, int version_id)
 141 {
 142     SLNANDState *s = (SLNANDState *) opaque;
 143
 144     qemu_get_8s(f, &s->ctl);
 145     ecc_get(f, &s->ecc);
 146
 147     return 0;
 148 }
 149
 150 enum {
 151     FLASH_128M,
 152     FLASH_1024M,
 153 };
 154
 155 static void sl_flash_register(PXA2xxState *cpu, int size)
 156 {
 157     int iomemtype;
 158     SLNANDState *s;
 159     CPUReadMemoryFunc *sl_readfn[] = {
 160         sl_readb,
 161         sl_readb,
 162         sl_readl,
 163     };
 164     CPUWriteMemoryFunc *sl_writefn[] = {
 165         sl_writeb,
 166         sl_writeb,
 167         sl_writeb,
 168     };
 169
 170     s = (SLNANDState *) qemu_mallocz(sizeof(SLNANDState));
 171     s->ctl = 0;
 172     if (size == FLASH_128M)
 173         s->nand = nand_init(NAND_MFR_SAMSUNG, 0x73);
 174     else if (size == FLASH_1024M)
 175         s->nand = nand_init(NAND_MFR_SAMSUNG, 0xf1);
 176
 177     iomemtype = cpu_register_io_memory(0, sl_readfn,
 178                     sl_writefn, s);
 179     cpu_register_physical_memory(FLASH_BASE, 0x40, iomemtype);
 180
 181     register_savevm("sl_flash", 0, 0, sl_save, sl_load, s);
 182 }
 183
 184 /* Spitz Keyboard */
 185
 186 #define SPITZ_KEY_STROBE_NUM    11
 187 #define SPITZ_KEY_SENSE_NUM     7
 188
 189 static const int spitz_gpio_key_sense[SPITZ_KEY_SENSE_NUM] = {
 190     12, 17, 91, 34, 36, 38, 39
 191 };
 192
 193 static const int spitz_gpio_key_strobe[SPITZ_KEY_STROBE_NUM] = {
 194     88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114
 195 };
 196
 197 /* Eighth additional row maps the special keys */
 198 static int spitz_keymap[SPITZ_KEY_SENSE_NUM + 1][SPITZ_KEY_STROBE_NUM] = {
 199     { 0x1d, 0x02, 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0e, 0x3f, 0x40 },
 200     {  -1 , 0x03, 0x05, 0x13, 0x15, 0x09, 0x17, 0x18, 0x19, 0x41, 0x42 },
 201     { 0x0f, 0x10, 0x12, 0x14, 0x22, 0x16, 0x24, 0x25,  -1 ,  -1 ,  -1  },
 202     { 0x3c, 0x11, 0x1f, 0x21, 0x2f, 0x23, 0x32, 0x26,  -1 , 0x36,  -1  },
 203     { 0x3b, 0x1e, 0x20, 0x2e, 0x30, 0x31, 0x34,  -1 , 0x1c, 0x2a,  -1  },
 204     { 0x44, 0x2c, 0x2d, 0x0c, 0x39, 0x33,  -1 , 0x48,  -1 ,  -1 , 0x38 },
 205     { 0x37, 0x3d,  -1 , 0x45, 0x57, 0x58, 0x4b, 0x50, 0x4d,  -1 ,  -1  },
 206     { 0x52, 0x43, 0x01, 0x47, 0x49,  -1 ,  -1 ,  -1 ,  -1 ,  -1 ,  -1  },
 207 };
 208
 209 #define SPITZ_GPIO_AK_INT       13      /* Remote control */
 210 #define SPITZ_GPIO_SYNC         16      /* Sync button */
 211 #define SPITZ_GPIO_ON_KEY       95      /* Power button */
 212 #define SPITZ_GPIO_SWA          97      /* Lid */
 213 #define SPITZ_GPIO_SWB          96      /* Tablet mode */
 214
 215 /* The special buttons are mapped to unused keys */
 216 static const int spitz_gpiomap[5] = {
 217     SPITZ_GPIO_AK_INT, SPITZ_GPIO_SYNC, SPITZ_GPIO_ON_KEY,
 218     SPITZ_GPIO_SWA, SPITZ_GPIO_SWB,
 219 };
 220 static int spitz_gpio_invert[5] = { 0, 0, 0, 0, 0, };
 221
 222 typedef struct {
 223     qemu_irq sense[SPITZ_KEY_SENSE_NUM];
 224     qemu_irq *strobe;
 225     qemu_irq gpiomap[5];
 226     int keymap[0x80];
 227     uint16_t keyrow[SPITZ_KEY_SENSE_NUM];
 228     uint16_t strobe_state;
 229     uint16_t sense_state;
 230
 231     uint16_t pre_map[0x100];
 232     uint16_t modifiers;
 233     uint16_t imodifiers;
 234     uint8_t fifo[16];
 235     int fifopos, fifolen;
 236     QEMUTimer *kbdtimer;
 237 } SpitzKeyboardState;
 238
 239 static void spitz_keyboard_sense_update(SpitzKeyboardState *s)
 240 {
 241     int i;
 242     uint16_t strobe, sense = 0;
 243     for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++) {
 244         strobe = s->keyrow[i] & s->strobe_state;
 245         if (strobe) {
 246             sense |= 1 << i;
 247             if (!(s->sense_state & (1 << i)))
 248                 qemu_irq_raise(s->sense[i]);
 249         } else if (s->sense_state & (1 << i))
 250             qemu_irq_lower(s->sense[i]);
 251     }
 252
 253     s->sense_state = sense;
 254 }
 255
 256 static void spitz_keyboard_strobe(void *opaque, int line, int level)
 257 {
 258     SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
 259
 260     if (level)
 261         s->strobe_state |= 1 << line;
 262     else
 263         s->strobe_state &= ~(1 << line);
 264     spitz_keyboard_sense_update(s);
 265 }
 266
 267 static void spitz_keyboard_keydown(SpitzKeyboardState *s, int keycode)
 268 {
 269     int spitz_keycode = s->keymap[keycode & 0x7f];
 270     if (spitz_keycode == -1)
 271         return;
 272
 273     /* Handle the additional keys */
 274     if ((spitz_keycode >> 4) == SPITZ_KEY_SENSE_NUM) {
 275         qemu_set_irq(s->gpiomap[spitz_keycode & 0xf], (keycode < 0x80) ^
 276                         spitz_gpio_invert[spitz_keycode & 0xf]);
 277         return;
 278     }
 279
 280     if (keycode & 0x80)
 281         s->keyrow[spitz_keycode >> 4] &= ~(1 << (spitz_keycode & 0xf));
 282     else
 283         s->keyrow[spitz_keycode >> 4] |= 1 << (spitz_keycode & 0xf);
 284
 285     spitz_keyboard_sense_update(s);
 286 }
 287
 288 #define SHIFT   (1 << 7)
 289 #define CTRL    (1 << 8)
 290 #define FN      (1 << 9)
 291
 292 #define QUEUE_KEY(c)    s->fifo[(s->fifopos + s->fifolen ++) & 0xf] = c
 293
 294 static void spitz_keyboard_handler(SpitzKeyboardState *s, int keycode)
 295 {
 296     uint16_t code;
 297     int mapcode;
 298     switch (keycode) {
 299     case 0x2a:  /* Left Shift */
 300         s->modifiers |= 1;
 301         break;
 302     case 0xaa:
 303         s->modifiers &= ~1;
 304         break;
 305     case 0x36:  /* Right Shift */
 306         s->modifiers |= 2;
 307         break;
 308     case 0xb6:
 309         s->modifiers &= ~2;
 310         break;
 311     case 0x1d:  /* Control */
 312         s->modifiers |= 4;
 313         break;
 314     case 0x9d:
 315         s->modifiers &= ~4;
 316         break;
 317     case 0x38:  /* Alt */
 318         s->modifiers |= 8;
 319         break;
 320     case 0xb8:
 321         s->modifiers &= ~8;
 322         break;
 323     }
 324
 325     code = s->pre_map[mapcode = ((s->modifiers & 3) ?
 326             (keycode | SHIFT) :
 327             (keycode & ~SHIFT))];
 328
 329     if (code != mapcode) {
 330 #if 0
 331         if ((code & SHIFT) && !(s->modifiers & 1))
 332             QUEUE_KEY(0x2a | (keycode & 0x80));
 333         if ((code & CTRL ) && !(s->modifiers & 4))
 334             QUEUE_KEY(0x1d | (keycode & 0x80));
 335         if ((code & FN   ) && !(s->modifiers & 8))
 336             QUEUE_KEY(0x38 | (keycode & 0x80));
 337         if ((code & FN   ) && (s->modifiers & 1))
 338             QUEUE_KEY(0x2a | (~keycode & 0x80));
 339         if ((code & FN   ) && (s->modifiers & 2))
 340             QUEUE_KEY(0x36 | (~keycode & 0x80));
 341 #else
 342         if (keycode & 0x80) {
 343             if ((s->imodifiers & 1   ) && !(s->modifiers & 1))
 344                 QUEUE_KEY(0x2a | 0x80);
 345             if ((s->imodifiers & 4   ) && !(s->modifiers & 4))
 346                 QUEUE_KEY(0x1d | 0x80);
 347             if ((s->imodifiers & 8   ) && !(s->modifiers & 8))
 348                 QUEUE_KEY(0x38 | 0x80);
 349             if ((s->imodifiers & 0x10) && (s->modifiers & 1))
 350                 QUEUE_KEY(0x2a);
 351             if ((s->imodifiers & 0x20) && (s->modifiers & 2))
 352                 QUEUE_KEY(0x36);
 353             s->imodifiers = 0;
 354         } else {
 355             if ((code & SHIFT) && !((s->modifiers | s->imodifiers) & 1)) {
 356                 QUEUE_KEY(0x2a);
 357                 s->imodifiers |= 1;
 358             }
 359             if ((code & CTRL ) && !((s->modifiers | s->imodifiers) & 4)) {
 360                 QUEUE_KEY(0x1d);
 361                 s->imodifiers |= 4;
 362             }
 363             if ((code & FN   ) && !((s->modifiers | s->imodifiers) & 8)) {
 364                 QUEUE_KEY(0x38);
 365                 s->imodifiers |= 8;
 366             }
 367             if ((code & FN   ) && (s->modifiers & 1) &&
 368                             !(s->imodifiers & 0x10)) {
 369                 QUEUE_KEY(0x2a | 0x80);
 370                 s->imodifiers |= 0x10;
 371             }
 372             if ((code & FN   ) && (s->modifiers & 2) &&
 373                             !(s->imodifiers & 0x20)) {
 374                 QUEUE_KEY(0x36 | 0x80);
 375                 s->imodifiers |= 0x20;
 376             }
 377         }
 378 #endif
 379     }
 380
 381     QUEUE_KEY((code & 0x7f) | (keycode & 0x80));
 382 }
 383
 384 static void spitz_keyboard_tick(void *opaque)
 385 {
 386     SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
 387
 388     if (s->fifolen) {
 389         spitz_keyboard_keydown(s, s->fifo[s->fifopos ++]);
 390         s->fifolen --;
 391         if (s->fifopos >= 16)
 392             s->fifopos = 0;
 393     }
 394
 395     qemu_mod_timer(s->kbdtimer, qemu_get_clock(vm_clock) + ticks_per_sec / 32);
 396 }
 397
 398 static void spitz_keyboard_pre_map(SpitzKeyboardState *s)
 399 {
 400     int i;
 401     for (i = 0; i < 0x100; i ++)
 402         s->pre_map[i] = i;
 403     s->pre_map[0x02 | SHIFT     ] = 0x02 | SHIFT;       /* exclam */
 404     s->pre_map[0x28 | SHIFT     ] = 0x03 | SHIFT;       /* quotedbl */
 405     s->pre_map[0x04 | SHIFT     ] = 0x04 | SHIFT;       /* numbersign */
 406     s->pre_map[0x05 | SHIFT     ] = 0x05 | SHIFT;       /* dollar */
 407     s->pre_map[0x06 | SHIFT     ] = 0x06 | SHIFT;       /* percent */
 408     s->pre_map[0x08 | SHIFT     ] = 0x07 | SHIFT;       /* ampersand */
 409     s->pre_map[0x28             ] = 0x08 | SHIFT;       /* apostrophe */
 410     s->pre_map[0x0a | SHIFT     ] = 0x09 | SHIFT;       /* parenleft */
 411     s->pre_map[0x0b | SHIFT     ] = 0x0a | SHIFT;       /* parenright */
 412     s->pre_map[0x29 | SHIFT     ] = 0x0b | SHIFT;       /* asciitilde */
 413     s->pre_map[0x03 | SHIFT     ] = 0x0c | SHIFT;       /* at */
 414     s->pre_map[0xd3             ] = 0x0e | FN;          /* Delete */
 415     s->pre_map[0x3a             ] = 0x0f | FN;          /* Caps_Lock */
 416     s->pre_map[0x07 | SHIFT     ] = 0x11 | FN;          /* asciicircum */
 417     s->pre_map[0x0d             ] = 0x12 | FN;          /* equal */
 418     s->pre_map[0x0d | SHIFT     ] = 0x13 | FN;          /* plus */
 419     s->pre_map[0x1a             ] = 0x14 | FN;          /* bracketleft */
 420     s->pre_map[0x1b             ] = 0x15 | FN;          /* bracketright */
 421     s->pre_map[0x1a | SHIFT     ] = 0x16 | FN;          /* braceleft */
 422     s->pre_map[0x1b | SHIFT     ] = 0x17 | FN;          /* braceright */
 423     s->pre_map[0x27             ] = 0x22 | FN;          /* semicolon */
 424     s->pre_map[0x27 | SHIFT     ] = 0x23 | FN;          /* colon */
 425     s->pre_map[0x09 | SHIFT     ] = 0x24 | FN;          /* asterisk */
 426     s->pre_map[0x2b             ] = 0x25 | FN;          /* backslash */
 427     s->pre_map[0x2b | SHIFT     ] = 0x26 | FN;          /* bar */
 428     s->pre_map[0x0c | SHIFT     ] = 0x30 | FN;          /* underscore */
 429     s->pre_map[0x33 | SHIFT     ] = 0x33 | FN;          /* less */
 430     s->pre_map[0x35             ] = 0x33 | SHIFT;       /* slash */
 431     s->pre_map[0x34 | SHIFT     ] = 0x34 | FN;          /* greater */
 432     s->pre_map[0x35 | SHIFT     ] = 0x34 | SHIFT;       /* question */
 433     s->pre_map[0x49             ] = 0x48 | FN;          /* Page_Up */
 434     s->pre_map[0x51             ] = 0x50 | FN;          /* Page_Down */
 435
 436     s->modifiers = 0;
 437     s->imodifiers = 0;
 438     s->fifopos = 0;
 439     s->fifolen = 0;
 440     s->kbdtimer = qemu_new_timer(vm_clock, spitz_keyboard_tick, s);
 441     spitz_keyboard_tick(s);
 442 }
 443
 444 #undef SHIFT
 445 #undef CTRL
 446 #undef FN
 447
 448 static void spitz_keyboard_save(QEMUFile *f, void *opaque)
 449 {
 450     SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
 451     int i;
 452
 453     qemu_put_be16s(f, &s->sense_state);
 454     qemu_put_be16s(f, &s->strobe_state);
 455     for (i = 0; i < 5; i ++)
 456         qemu_put_byte(f, spitz_gpio_invert[i]);
 457 }
 458
 459 static int spitz_keyboard_load(QEMUFile *f, void *opaque, int version_id)
 460 {
 461     SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
 462     int i;
 463
 464     qemu_get_be16s(f, &s->sense_state);
 465     qemu_get_be16s(f, &s->strobe_state);
 466     for (i = 0; i < 5; i ++)
 467         spitz_gpio_invert[i] = qemu_get_byte(f);
 468
 469     /* Release all pressed keys */
 470     memset(s->keyrow, 0, sizeof(s->keyrow));
 471     spitz_keyboard_sense_update(s);
 472     s->modifiers = 0;
 473     s->imodifiers = 0;
 474     s->fifopos = 0;
 475     s->fifolen = 0;
 476
 477     return 0;
 478 }
 479
 480 static void spitz_keyboard_register(PXA2xxState *cpu)
 481 {
 482     int i, j;
 483     SpitzKeyboardState *s;
 484
 485     s = (SpitzKeyboardState *)
 486             qemu_mallocz(sizeof(SpitzKeyboardState));
 487     memset(s, 0, sizeof(SpitzKeyboardState));
 488
 489     for (i = 0; i < 0x80; i ++)
 490         s->keymap[i] = -1;
 491     for (i = 0; i < SPITZ_KEY_SENSE_NUM + 1; i ++)
 492         for (j = 0; j < SPITZ_KEY_STROBE_NUM; j ++)
 493             if (spitz_keymap[i][j] != -1)
 494                 s->keymap[spitz_keymap[i][j]] = (i << 4) | j;
 495
 496     for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++)
 497         s->sense[i] = pxa2xx_gpio_in_get(cpu->gpio)[spitz_gpio_key_sense[i]];
 498
 499     for (i = 0; i < 5; i ++)
 500         s->gpiomap[i] = pxa2xx_gpio_in_get(cpu->gpio)[spitz_gpiomap[i]];
 501
 502     s->strobe = qemu_allocate_irqs(spitz_keyboard_strobe, s,
 503                     SPITZ_KEY_STROBE_NUM);
 504     for (i = 0; i < SPITZ_KEY_STROBE_NUM; i ++)
 505         pxa2xx_gpio_out_set(cpu->gpio, spitz_gpio_key_strobe[i], s->strobe[i]);
 506
 507     spitz_keyboard_pre_map(s);
 508     qemu_add_kbd_event_handler((QEMUPutKBDEvent *) spitz_keyboard_handler, s);
 509
 510     register_savevm("spitz_keyboard", 0, 0,
 511                     spitz_keyboard_save, spitz_keyboard_load, s);
 512 }
 513
 514 /* LCD backlight controller */
 515
 516 #define LCDTG_RESCTL    0x00
 517 #define LCDTG_PHACTRL   0x01
 518 #define LCDTG_DUTYCTRL  0x02
 519 #define LCDTG_POWERREG0 0x03
 520 #define LCDTG_POWERREG1 0x04
 521 #define LCDTG_GPOR3     0x05
 522 #define LCDTG_PICTRL    0x06
 523 #define LCDTG_POLCTRL   0x07
 524
 525 typedef struct {
 526     SSISlave ssidev;
 527     int bl_intensity;
 528     int bl_power;
 529 } SpitzLCDTG;
 530
 531 static void spitz_bl_update(SpitzLCDTG *s)
 532 {
 533     if (s->bl_power && s->bl_intensity)
 534         zaurus_printf("LCD Backlight now at %i/63\n", s->bl_intensity);
 535     else
 536         zaurus_printf("LCD Backlight now off\n");
 537 }
 538
 539 /* FIXME: Implement GPIO properly and remove this hack.  */
 540 static SpitzLCDTG *spitz_lcdtg;
 541
 542 static inline void spitz_bl_bit5(void *opaque, int line, int level)
 543 {
 544     SpitzLCDTG *s = spitz_lcdtg;
 545     int prev = s->bl_intensity;
 546
 547     if (level)
 548         s->bl_intensity &= ~0x20;
 549     else
 550         s->bl_intensity |= 0x20;
 551
 552     if (s->bl_power && prev != s->bl_intensity)
 553         spitz_bl_update(s);
 554 }
 555
 556 static inline void spitz_bl_power(void *opaque, int line, int level)
 557 {
 558     SpitzLCDTG *s = spitz_lcdtg;
 559     s->bl_power = !!level;
 560     spitz_bl_update(s);
 561 }
 562
 563 static uint32_t spitz_lcdtg_transfer(SSISlave *dev, uint32_t value)
 564 {
 565     SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
 566     int addr;
 567     addr = value >> 5;
 568     value &= 0x1f;
 569
 570     switch (addr) {
 571     case LCDTG_RESCTL:
 572         if (value)
 573             zaurus_printf("LCD in QVGA mode\n");
 574         else
 575             zaurus_printf("LCD in VGA mode\n");
 576         break;
 577
 578     case LCDTG_DUTYCTRL:
 579         s->bl_intensity &= ~0x1f;
 580         s->bl_intensity |= value;
 581         if (s->bl_power)
 582             spitz_bl_update(s);
 583         break;
 584
 585     case LCDTG_POWERREG0:
 586         /* Set common voltage to M62332FP */
 587         break;
 588     }
 589     return 0;
 590 }
 591
 592 static void spitz_lcdtg_save(QEMUFile *f, void *opaque)
 593 {
 594     SpitzLCDTG *s = (SpitzLCDTG *)opaque;
 595     qemu_put_be32(f, s->bl_intensity);
 596     qemu_put_be32(f, s->bl_power);
 597 }
 598
 599 static int spitz_lcdtg_load(QEMUFile *f, void *opaque, int version_id)
 600 {
 601     SpitzLCDTG *s = (SpitzLCDTG *)opaque;
 602     s->bl_intensity = qemu_get_be32(f);
 603     s->bl_power = qemu_get_be32(f);
 604     return 0;
 605 }
 606
 607 static void spitz_lcdtg_init(SSISlave *dev)
 608 {
 609     SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
 610
 611     spitz_lcdtg = s;
 612     s->bl_power = 0;
 613     s->bl_intensity = 0x20;
 614
 615     register_savevm("spitz-lcdtg", -1, 1,
 616                     spitz_lcdtg_save, spitz_lcdtg_load, s);
 617 }
 618
 619 /* SSP devices */
 620
 621 #define CORGI_SSP_PORT          2
 622
 623 #define SPITZ_GPIO_LCDCON_CS    53
 624 #define SPITZ_GPIO_ADS7846_CS   14
 625 #define SPITZ_GPIO_MAX1111_CS   20
 626 #define SPITZ_GPIO_TP_INT       11
 627
 628 static DeviceState *max1111;
 629
 630 /* "Demux" the signal based on current chipselect */
 631 typedef struct {
 632     SSISlave ssidev;
 633     SSIBus *bus[3];
 634     int enable[3];
 635 } CorgiSSPState;
 636
 637 static uint32_t corgi_ssp_transfer(SSISlave *dev, uint32_t value)
 638 {
 639     CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev);
 640     int i;
 641
 642     for (i = 0; i < 3; i++) {
 643         if (s->enable[i]) {
 644             return ssi_transfer(s->bus[i], value);
 645         }
 646     }
 647     return 0;
 648 }
 649
 650 static void corgi_ssp_gpio_cs(void *opaque, int line, int level)
 651 {
 652     CorgiSSPState *s = (CorgiSSPState *)opaque;
 653     assert(line >= 0 && line < 3);
 654     s->enable[line] = !level;
 655 }
 656
 657 #define MAX1111_BATT_VOLT       1
 658 #define MAX1111_BATT_TEMP       2
 659 #define MAX1111_ACIN_VOLT       3
 660
 661 #define SPITZ_BATTERY_TEMP      0xe0    /* About 2.9V */
 662 #define SPITZ_BATTERY_VOLT      0xd0    /* About 4.0V */
 663 #define SPITZ_CHARGEON_ACIN     0x80    /* About 5.0V */
 664
 665 static void spitz_adc_temp_on(void *opaque, int line, int level)
 666 {
 667     if (!max1111)
 668         return;
 669
 670     if (level)
 671         max111x_set_input(max1111, MAX1111_BATT_TEMP, SPITZ_BATTERY_TEMP);
 672     else
 673         max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
 674 }
 675
 676 static void spitz_ssp_save(QEMUFile *f, void *opaque)
 677 {
 678     CorgiSSPState *s = (CorgiSSPState *)opaque;
 679     int i;
 680
 681     for (i = 0; i < 3; i++) {
 682         qemu_put_be32(f, s->enable[i]);
 683     }
 684 }
 685
 686 static int spitz_ssp_load(QEMUFile *f, void *opaque, int version_id)
 687 {
 688     CorgiSSPState *s = (CorgiSSPState *)opaque;
 689     int i;
 690
 691     if (version_id != 1) {
 692         return -EINVAL;
 693     }
 694     for (i = 0; i < 3; i++) {
 695         s->enable[i] = qemu_get_be32(f);
 696     }
 697     return 0;
 698 }
 699
 700 static void corgi_ssp_init(SSISlave *dev)
 701 {
 702     CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev);
 703
 704     qdev_init_gpio_in(&dev->qdev, corgi_ssp_gpio_cs, 3);
 705     s->bus[0] = ssi_create_bus(&dev->qdev, "ssi0");
 706     s->bus[1] = ssi_create_bus(&dev->qdev, "ssi1");
 707     s->bus[2] = ssi_create_bus(&dev->qdev, "ssi2");
 708
 709     register_savevm("spitz_ssp", -1, 1, spitz_ssp_save, spitz_ssp_load, s);
 710 }
 711
 712 static void spitz_ssp_attach(PXA2xxState *cpu)
 713 {
 714     DeviceState *mux;
 715     DeviceState *dev;
 716     void *bus;
 717
 718     mux = ssi_create_slave(cpu->ssp[CORGI_SSP_PORT - 1], "corgi-ssp");
 719
 720     bus = qdev_get_child_bus(mux, "ssi0");
 721     dev = ssi_create_slave(bus, "spitz-lcdtg");
 722
 723     bus = qdev_get_child_bus(mux, "ssi1");
 724     dev = ssi_create_slave(bus, "ads7846");
 725     qdev_connect_gpio_out(dev, 0,
 726                           pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_TP_INT]);
 727
 728     bus = qdev_get_child_bus(mux, "ssi2");
 729     max1111 = ssi_create_slave(bus, "max1111");
 730     max111x_set_input(max1111, MAX1111_BATT_VOLT, SPITZ_BATTERY_VOLT);
 731     max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
 732     max111x_set_input(max1111, MAX1111_ACIN_VOLT, SPITZ_CHARGEON_ACIN);
 733
 734     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_LCDCON_CS,
 735                         qdev_get_gpio_in(mux, 0));
 736     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_ADS7846_CS,
 737                         qdev_get_gpio_in(mux, 1));
 738     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_MAX1111_CS,
 739                         qdev_get_gpio_in(mux, 2));
 740 }
 741
 742 /* CF Microdrive */
 743
 744 static void spitz_microdrive_attach(PXA2xxState *cpu, int slot)
 745 {
 746     PCMCIACardState *md;
 747     int index;
 748     BlockDriverState *bs;
 749
 750     index = drive_get_index(IF_IDE, 0, 0);
 751     if (index == -1)
 752         return;
 753     bs = drives_table[index].bdrv;
 754     if (bdrv_is_inserted(bs) && !bdrv_is_removable(bs)) {
 755         md = dscm1xxxx_init(bs);
 756         pxa2xx_pcmcia_attach(cpu->pcmcia[slot], md);
 757     }
 758 }
 759
 760 /* Wm8750 and Max7310 on I2C */
 761
 762 #define AKITA_MAX_ADDR  0x18
 763 #define SPITZ_WM_ADDRL  0x1b
 764 #define SPITZ_WM_ADDRH  0x1a
 765
 766 #define SPITZ_GPIO_WM   5
 767
 768 #ifdef HAS_AUDIO
 769 static void spitz_wm8750_addr(void *opaque, int line, int level)
 770 {
 771     i2c_slave *wm = (i2c_slave *) opaque;
 772     if (level)
 773         i2c_set_slave_address(wm, SPITZ_WM_ADDRH);
 774     else
 775         i2c_set_slave_address(wm, SPITZ_WM_ADDRL);
 776 }
 777 #endif
 778
 779 static void spitz_i2c_setup(PXA2xxState *cpu)
 780 {
 781     /* Attach the CPU on one end of our I2C bus.  */
 782     i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
 783
 784 #ifdef HAS_AUDIO
 785     DeviceState *wm;
 786
 787     /* Attach a WM8750 to the bus */
 788     wm = i2c_create_slave(bus, "wm8750", 0);
 789
 790     spitz_wm8750_addr(wm, 0, 0);
 791     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_WM,
 792                     qemu_allocate_irqs(spitz_wm8750_addr, wm, 1)[0]);
 793     /* .. and to the sound interface.  */
 794     cpu->i2s->opaque = wm;
 795     cpu->i2s->codec_out = wm8750_dac_dat;
 796     cpu->i2s->codec_in = wm8750_adc_dat;
 797     wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
 798 #endif
 799 }
 800
 801 static void spitz_akita_i2c_setup(PXA2xxState *cpu)
 802 {
 803     /* Attach a Max7310 to Akita I2C bus.  */
 804     i2c_create_slave(pxa2xx_i2c_bus(cpu->i2c[0]), "max7310",
 805                      AKITA_MAX_ADDR);
 806 }
 807
 808 /* Other peripherals */
 809
 810 static void spitz_out_switch(void *opaque, int line, int level)
 811 {
 812     switch (line) {
 813     case 0:
 814         zaurus_printf("Charging %s.\n", level ? "off" : "on");
 815         break;
 816     case 1:
 817         zaurus_printf("Discharging %s.\n", level ? "on" : "off");
 818         break;
 819     case 2:
 820         zaurus_printf("Green LED %s.\n", level ? "on" : "off");
 821         break;
 822     case 3:
 823         zaurus_printf("Orange LED %s.\n", level ? "on" : "off");
 824         break;
 825     case 4:
 826         spitz_bl_bit5(opaque, line, level);
 827         break;
 828     case 5:
 829         spitz_bl_power(opaque, line, level);
 830         break;
 831     case 6:
 832         spitz_adc_temp_on(opaque, line, level);
 833         break;
 834     }
 835 }
 836
 837 #define SPITZ_SCP_LED_GREEN             1
 838 #define SPITZ_SCP_JK_B                  2
 839 #define SPITZ_SCP_CHRG_ON               3
 840 #define SPITZ_SCP_MUTE_L                4
 841 #define SPITZ_SCP_MUTE_R                5
 842 #define SPITZ_SCP_CF_POWER              6
 843 #define SPITZ_SCP_LED_ORANGE            7
 844 #define SPITZ_SCP_JK_A                  8
 845 #define SPITZ_SCP_ADC_TEMP_ON           9
 846 #define SPITZ_SCP2_IR_ON                1
 847 #define SPITZ_SCP2_AKIN_PULLUP          2
 848 #define SPITZ_SCP2_BACKLIGHT_CONT       7
 849 #define SPITZ_SCP2_BACKLIGHT_ON         8
 850 #define SPITZ_SCP2_MIC_BIAS             9
 851
 852 static void spitz_scoop_gpio_setup(PXA2xxState *cpu,
 853                 ScoopInfo *scp0, ScoopInfo *scp1)
 854 {
 855     qemu_irq *outsignals = qemu_allocate_irqs(spitz_out_switch, cpu, 8);
 856
 857     scoop_gpio_out_set(scp0, SPITZ_SCP_CHRG_ON, outsignals[0]);
 858     scoop_gpio_out_set(scp0, SPITZ_SCP_JK_B, outsignals[1]);
 859     scoop_gpio_out_set(scp0, SPITZ_SCP_LED_GREEN, outsignals[2]);
 860     scoop_gpio_out_set(scp0, SPITZ_SCP_LED_ORANGE, outsignals[3]);
 861
 862     if (scp1) {
 863         scoop_gpio_out_set(scp1, SPITZ_SCP2_BACKLIGHT_CONT, outsignals[4]);
 864         scoop_gpio_out_set(scp1, SPITZ_SCP2_BACKLIGHT_ON, outsignals[5]);
 865     }
 866
 867     scoop_gpio_out_set(scp0, SPITZ_SCP_ADC_TEMP_ON, outsignals[6]);
 868 }
 869
 870 #define SPITZ_GPIO_HSYNC                22
 871 #define SPITZ_GPIO_SD_DETECT            9
 872 #define SPITZ_GPIO_SD_WP                81
 873 #define SPITZ_GPIO_ON_RESET             89
 874 #define SPITZ_GPIO_BAT_COVER            90
 875 #define SPITZ_GPIO_CF1_IRQ              105
 876 #define SPITZ_GPIO_CF1_CD               94
 877 #define SPITZ_GPIO_CF2_IRQ              106
 878 #define SPITZ_GPIO_CF2_CD               93
 879
 880 static int spitz_hsync;
 881
 882 static void spitz_lcd_hsync_handler(void *opaque, int line, int level)
 883 {
 884     PXA2xxState *cpu = (PXA2xxState *) opaque;
 885     qemu_set_irq(pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_HSYNC], spitz_hsync);
 886     spitz_hsync ^= 1;
 887 }
 888
 889 static void spitz_gpio_setup(PXA2xxState *cpu, int slots)
 890 {
 891     qemu_irq lcd_hsync;
 892     /*
 893      * Bad hack: We toggle the LCD hsync GPIO on every GPIO status
 894      * read to satisfy broken guests that poll-wait for hsync.
 895      * Simulating a real hsync event would be less practical and
 896      * wouldn't guarantee that a guest ever exits the loop.
 897      */
 898     spitz_hsync = 0;
 899     lcd_hsync = qemu_allocate_irqs(spitz_lcd_hsync_handler, cpu, 1)[0];
 900     pxa2xx_gpio_read_notifier(cpu->gpio, lcd_hsync);
 901     pxa2xx_lcd_vsync_notifier(cpu->lcd, lcd_hsync);
 902
 903     /* MMC/SD host */
 904     pxa2xx_mmci_handlers(cpu->mmc,
 905                     pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_SD_WP],
 906                     pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_SD_DETECT]);
 907
 908     /* Battery lock always closed */
 909     qemu_irq_raise(pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_BAT_COVER]);
 910
 911     /* Handle reset */
 912     pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_ON_RESET, cpu->reset);
 913
 914     /* PCMCIA signals: card's IRQ and Card-Detect */
 915     if (slots >= 1)
 916         pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
 917                         pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_CF1_IRQ],
 918                         pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_CF1_CD]);
 919     if (slots >= 2)
 920         pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
 921                         pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_CF2_IRQ],
 922                         pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_CF2_CD]);
 923
 924     /* Initialise the screen rotation related signals */
 925     spitz_gpio_invert[3] = 0;   /* Always open */
 926     if (graphic_rotate) {       /* Tablet mode */
 927         spitz_gpio_invert[4] = 0;
 928     } else {                    /* Portrait mode */
 929         spitz_gpio_invert[4] = 1;
 930     }
 931     qemu_set_irq(pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_SWA],
 932                     spitz_gpio_invert[3]);
 933     qemu_set_irq(pxa2xx_gpio_in_get(cpu->gpio)[SPITZ_GPIO_SWB],
 934                     spitz_gpio_invert[4]);
 935 }
 936
 937 /* Board init.  */
 938 enum spitz_model_e { spitz, akita, borzoi, terrier };
 939
 940 #define SPITZ_RAM       0x04000000
 941 #define SPITZ_ROM       0x00800000
 942
 943 static struct arm_boot_info spitz_binfo = {
 944     .loader_start = PXA2XX_SDRAM_BASE,
 945     .ram_size = 0x04000000,
 946 };
 947
 948 static void spitz_common_init(ram_addr_t ram_size,
 949                 const char *kernel_filename,
 950                 const char *kernel_cmdline, const char *initrd_filename,
 951                 const char *cpu_model, enum spitz_model_e model, int arm_id)
 952 {
 953     PXA2xxState *cpu;
 954     ScoopInfo *scp0, *scp1 = NULL;
 955
 956     if (!cpu_model)
 957         cpu_model = (model == terrier) ? "pxa270-c5" : "pxa270-c0";
 958
 959     /* Setup CPU & memory */
 960     cpu = pxa270_init(spitz_binfo.ram_size, cpu_model);
 961
 962     sl_flash_register(cpu, (model == spitz) ? FLASH_128M : FLASH_1024M);
 963
 964     cpu_register_physical_memory(0, SPITZ_ROM,
 965                     qemu_ram_alloc(SPITZ_ROM) | IO_MEM_ROM);
 966
 967     /* Setup peripherals */
 968     spitz_keyboard_register(cpu);
 969
 970     spitz_ssp_attach(cpu);
 971
 972     scp0 = scoop_init(cpu, 0, 0x10800000);
 973     if (model != akita) {
 974             scp1 = scoop_init(cpu, 1, 0x08800040);
 975     }
 976
 977     spitz_scoop_gpio_setup(cpu, scp0, scp1);
 978
 979     spitz_gpio_setup(cpu, (model == akita) ? 1 : 2);
 980
 981     spitz_i2c_setup(cpu);
 982
 983     if (model == akita)
 984         spitz_akita_i2c_setup(cpu);
 985
 986     if (model == terrier)
 987         /* A 6.0 GB microdrive is permanently sitting in CF slot 1.  */
 988         spitz_microdrive_attach(cpu, 1);
 989     else if (model != akita)
 990         /* A 4.0 GB microdrive is permanently sitting in CF slot 0.  */
 991         spitz_microdrive_attach(cpu, 0);
 992
 993     /* Setup initial (reset) machine state */
 994     cpu->env->regs[15] = spitz_binfo.loader_start;
 995
 996     spitz_binfo.kernel_filename = kernel_filename;
 997     spitz_binfo.kernel_cmdline = kernel_cmdline;
 998     spitz_binfo.initrd_filename = initrd_filename;
 999     spitz_binfo.board_id = arm_id;
1000     arm_load_kernel(cpu->env, &spitz_binfo);
1001     sl_bootparam_write(SL_PXA_PARAM_BASE);
1002 }
1003
1004 static void spitz_init(ram_addr_t ram_size,
1005                 const char *boot_device,
1006                 const char *kernel_filename, const char *kernel_cmdline,
1007                 const char *initrd_filename, const char *cpu_model)
1008 {
1009     spitz_common_init(ram_size, kernel_filename,
1010                 kernel_cmdline, initrd_filename, cpu_model, spitz, 0x2c9);
1011 }
1012
1013 static void borzoi_init(ram_addr_t ram_size,
1014                 const char *boot_device,
1015                 const char *kernel_filename, const char *kernel_cmdline,
1016                 const char *initrd_filename, const char *cpu_model)
1017 {
1018     spitz_common_init(ram_size, kernel_filename,
1019                 kernel_cmdline, initrd_filename, cpu_model, borzoi, 0x33f);
1020 }
1021
1022 static void akita_init(ram_addr_t ram_size,
1023                 const char *boot_device,
1024                 const char *kernel_filename, const char *kernel_cmdline,
1025                 const char *initrd_filename, const char *cpu_model)
1026 {
1027     spitz_common_init(ram_size, kernel_filename,
1028                 kernel_cmdline, initrd_filename, cpu_model, akita, 0x2e8);
1029 }
1030
1031 static void terrier_init(ram_addr_t ram_size,
1032                 const char *boot_device,
1033                 const char *kernel_filename, const char *kernel_cmdline,
1034                 const char *initrd_filename, const char *cpu_model)
1035 {
1036     spitz_common_init(ram_size, kernel_filename,
1037                 kernel_cmdline, initrd_filename, cpu_model, terrier, 0x33f);
1038 }
1039
1040 static QEMUMachine akitapda_machine = {
1041     .name = "akita",
1042     .desc = "Akita PDA (PXA270)",
1043     .init = akita_init,
1044 };
1045
1046 static QEMUMachine spitzpda_machine = {
1047     .name = "spitz",
1048     .desc = "Spitz PDA (PXA270)",
1049     .init = spitz_init,
1050 };
1051
1052 static QEMUMachine borzoipda_machine = {
1053     .name = "borzoi",
1054     .desc = "Borzoi PDA (PXA270)",
1055     .init = borzoi_init,
1056 };
1057
1058 static QEMUMachine terrierpda_machine = {
1059     .name = "terrier",
1060     .desc = "Terrier PDA (PXA270)",
1061     .init = terrier_init,
1062 };
1063
1064 static void spitz_machine_init(void)
1065 {
1066     qemu_register_machine(&akitapda_machine);
1067     qemu_register_machine(&spitzpda_machine);
1068     qemu_register_machine(&borzoipda_machine);
1069     qemu_register_machine(&terrierpda_machine);
1070 }
1071
1072 machine_init(spitz_machine_init);
1073
1074 static SSISlaveInfo corgi_ssp_info = {
1075     .qdev.name = "corgi-ssp",
1076     .qdev.size = sizeof(CorgiSSPState),
1077     .init = corgi_ssp_init,
1078     .transfer = corgi_ssp_transfer
1079 };
1080
1081 static SSISlaveInfo spitz_lcdtg_info = {
1082     .qdev.name = "spitz-lcdtg",
1083     .qdev.size = sizeof(SpitzLCDTG),
1084     .init = spitz_lcdtg_init,
1085     .transfer = spitz_lcdtg_transfer
1086 };
1087
1088 static void spitz_register_devices(void)
1089 {
1090     ssi_register_slave(&corgi_ssp_info);
1091     ssi_register_slave(&spitz_lcdtg_info);
1092 }
1093
1094 device_init(spitz_register_devices)