xen-disk: add support for multi-page shared rings
[qemu.git] / hw / arm / spitz.c
blob93bde147434491af1c79269a0654323a5f164b61
1 /*
2 * PXA270-based Clamshell PDA platforms.
4 * Copyright (c) 2006 Openedhand Ltd.
5 * Written by Andrzej Zaborowski <balrog@zabor.org>
7 * This code is licensed under the GNU GPL v2.
9 * Contributions after 2012-01-13 are licensed under the terms of the
10 * GNU GPL, version 2 or (at your option) any later version.
13 #include "qemu/osdep.h"
14 #include "qapi/error.h"
15 #include "hw/hw.h"
16 #include "hw/arm/pxa.h"
17 #include "hw/arm/arm.h"
18 #include "sysemu/sysemu.h"
19 #include "hw/pcmcia.h"
20 #include "hw/i2c/i2c.h"
21 #include "hw/ssi/ssi.h"
22 #include "hw/block/flash.h"
23 #include "qemu/timer.h"
24 #include "hw/devices.h"
25 #include "hw/arm/sharpsl.h"
26 #include "ui/console.h"
27 #include "audio/audio.h"
28 #include "hw/boards.h"
29 #include "sysemu/block-backend.h"
30 #include "hw/sysbus.h"
31 #include "exec/address-spaces.h"
32 #include "sysemu/sysemu.h"
34 #undef REG_FMT
35 #define REG_FMT "0x%02lx"
37 /* Spitz Flash */
38 #define FLASH_BASE 0x0c000000
39 #define FLASH_ECCLPLB 0x00 /* Line parity 7 - 0 bit */
40 #define FLASH_ECCLPUB 0x04 /* Line parity 15 - 8 bit */
41 #define FLASH_ECCCP 0x08 /* Column parity 5 - 0 bit */
42 #define FLASH_ECCCNTR 0x0c /* ECC byte counter */
43 #define FLASH_ECCCLRR 0x10 /* Clear ECC */
44 #define FLASH_FLASHIO 0x14 /* Flash I/O */
45 #define FLASH_FLASHCTL 0x18 /* Flash Control */
47 #define FLASHCTL_CE0 (1 << 0)
48 #define FLASHCTL_CLE (1 << 1)
49 #define FLASHCTL_ALE (1 << 2)
50 #define FLASHCTL_WP (1 << 3)
51 #define FLASHCTL_CE1 (1 << 4)
52 #define FLASHCTL_RYBY (1 << 5)
53 #define FLASHCTL_NCE (FLASHCTL_CE0 | FLASHCTL_CE1)
55 #define TYPE_SL_NAND "sl-nand"
56 #define SL_NAND(obj) OBJECT_CHECK(SLNANDState, (obj), TYPE_SL_NAND)
58 typedef struct {
59 SysBusDevice parent_obj;
61 MemoryRegion iomem;
62 DeviceState *nand;
63 uint8_t ctl;
64 uint8_t manf_id;
65 uint8_t chip_id;
66 ECCState ecc;
67 } SLNANDState;
69 static uint64_t sl_read(void *opaque, hwaddr addr, unsigned size)
71 SLNANDState *s = (SLNANDState *) opaque;
72 int ryby;
74 switch (addr) {
75 #define BSHR(byte, from, to) ((s->ecc.lp[byte] >> (from - to)) & (1 << to))
76 case FLASH_ECCLPLB:
77 return BSHR(0, 4, 0) | BSHR(0, 5, 2) | BSHR(0, 6, 4) | BSHR(0, 7, 6) |
78 BSHR(1, 4, 1) | BSHR(1, 5, 3) | BSHR(1, 6, 5) | BSHR(1, 7, 7);
80 #define BSHL(byte, from, to) ((s->ecc.lp[byte] << (to - from)) & (1 << to))
81 case FLASH_ECCLPUB:
82 return BSHL(0, 0, 0) | BSHL(0, 1, 2) | BSHL(0, 2, 4) | BSHL(0, 3, 6) |
83 BSHL(1, 0, 1) | BSHL(1, 1, 3) | BSHL(1, 2, 5) | BSHL(1, 3, 7);
85 case FLASH_ECCCP:
86 return s->ecc.cp;
88 case FLASH_ECCCNTR:
89 return s->ecc.count & 0xff;
91 case FLASH_FLASHCTL:
92 nand_getpins(s->nand, &ryby);
93 if (ryby)
94 return s->ctl | FLASHCTL_RYBY;
95 else
96 return s->ctl;
98 case FLASH_FLASHIO:
99 if (size == 4) {
100 return ecc_digest(&s->ecc, nand_getio(s->nand)) |
101 (ecc_digest(&s->ecc, nand_getio(s->nand)) << 16);
103 return ecc_digest(&s->ecc, nand_getio(s->nand));
105 default:
106 zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr);
108 return 0;
111 static void sl_write(void *opaque, hwaddr addr,
112 uint64_t value, unsigned size)
114 SLNANDState *s = (SLNANDState *) opaque;
116 switch (addr) {
117 case FLASH_ECCCLRR:
118 /* Value is ignored. */
119 ecc_reset(&s->ecc);
120 break;
122 case FLASH_FLASHCTL:
123 s->ctl = value & 0xff & ~FLASHCTL_RYBY;
124 nand_setpins(s->nand,
125 s->ctl & FLASHCTL_CLE,
126 s->ctl & FLASHCTL_ALE,
127 s->ctl & FLASHCTL_NCE,
128 s->ctl & FLASHCTL_WP,
130 break;
132 case FLASH_FLASHIO:
133 nand_setio(s->nand, ecc_digest(&s->ecc, value & 0xff));
134 break;
136 default:
137 zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr);
141 enum {
142 FLASH_128M,
143 FLASH_1024M,
146 static const MemoryRegionOps sl_ops = {
147 .read = sl_read,
148 .write = sl_write,
149 .endianness = DEVICE_NATIVE_ENDIAN,
152 static void sl_flash_register(PXA2xxState *cpu, int size)
154 DeviceState *dev;
156 dev = qdev_create(NULL, TYPE_SL_NAND);
158 qdev_prop_set_uint8(dev, "manf_id", NAND_MFR_SAMSUNG);
159 if (size == FLASH_128M)
160 qdev_prop_set_uint8(dev, "chip_id", 0x73);
161 else if (size == FLASH_1024M)
162 qdev_prop_set_uint8(dev, "chip_id", 0xf1);
164 qdev_init_nofail(dev);
165 sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, FLASH_BASE);
168 static void sl_nand_init(Object *obj)
170 SLNANDState *s = SL_NAND(obj);
171 SysBusDevice *dev = SYS_BUS_DEVICE(obj);
172 DriveInfo *nand;
174 s->ctl = 0;
175 /* FIXME use a qdev drive property instead of drive_get() */
176 nand = drive_get(IF_MTD, 0, 0);
177 s->nand = nand_init(nand ? blk_by_legacy_dinfo(nand) : NULL,
178 s->manf_id, s->chip_id);
180 memory_region_init_io(&s->iomem, obj, &sl_ops, s, "sl", 0x40);
181 sysbus_init_mmio(dev, &s->iomem);
184 /* Spitz Keyboard */
186 #define SPITZ_KEY_STROBE_NUM 11
187 #define SPITZ_KEY_SENSE_NUM 7
189 static const int spitz_gpio_key_sense[SPITZ_KEY_SENSE_NUM] = {
190 12, 17, 91, 34, 36, 38, 39
193 static const int spitz_gpio_key_strobe[SPITZ_KEY_STROBE_NUM] = {
194 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114
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 },
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 */
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,
221 #define TYPE_SPITZ_KEYBOARD "spitz-keyboard"
222 #define SPITZ_KEYBOARD(obj) \
223 OBJECT_CHECK(SpitzKeyboardState, (obj), TYPE_SPITZ_KEYBOARD)
225 typedef struct {
226 SysBusDevice parent_obj;
228 qemu_irq sense[SPITZ_KEY_SENSE_NUM];
229 qemu_irq gpiomap[5];
230 int keymap[0x80];
231 uint16_t keyrow[SPITZ_KEY_SENSE_NUM];
232 uint16_t strobe_state;
233 uint16_t sense_state;
235 uint16_t pre_map[0x100];
236 uint16_t modifiers;
237 uint16_t imodifiers;
238 uint8_t fifo[16];
239 int fifopos, fifolen;
240 QEMUTimer *kbdtimer;
241 } SpitzKeyboardState;
243 static void spitz_keyboard_sense_update(SpitzKeyboardState *s)
245 int i;
246 uint16_t strobe, sense = 0;
247 for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++) {
248 strobe = s->keyrow[i] & s->strobe_state;
249 if (strobe) {
250 sense |= 1 << i;
251 if (!(s->sense_state & (1 << i)))
252 qemu_irq_raise(s->sense[i]);
253 } else if (s->sense_state & (1 << i))
254 qemu_irq_lower(s->sense[i]);
257 s->sense_state = sense;
260 static void spitz_keyboard_strobe(void *opaque, int line, int level)
262 SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
264 if (level)
265 s->strobe_state |= 1 << line;
266 else
267 s->strobe_state &= ~(1 << line);
268 spitz_keyboard_sense_update(s);
271 static void spitz_keyboard_keydown(SpitzKeyboardState *s, int keycode)
273 int spitz_keycode = s->keymap[keycode & 0x7f];
274 if (spitz_keycode == -1)
275 return;
277 /* Handle the additional keys */
278 if ((spitz_keycode >> 4) == SPITZ_KEY_SENSE_NUM) {
279 qemu_set_irq(s->gpiomap[spitz_keycode & 0xf], (keycode < 0x80));
280 return;
283 if (keycode & 0x80)
284 s->keyrow[spitz_keycode >> 4] &= ~(1 << (spitz_keycode & 0xf));
285 else
286 s->keyrow[spitz_keycode >> 4] |= 1 << (spitz_keycode & 0xf);
288 spitz_keyboard_sense_update(s);
291 #define SPITZ_MOD_SHIFT (1 << 7)
292 #define SPITZ_MOD_CTRL (1 << 8)
293 #define SPITZ_MOD_FN (1 << 9)
295 #define QUEUE_KEY(c) s->fifo[(s->fifopos + s->fifolen ++) & 0xf] = c
297 static void spitz_keyboard_handler(void *opaque, int keycode)
299 SpitzKeyboardState *s = opaque;
300 uint16_t code;
301 int mapcode;
302 switch (keycode) {
303 case 0x2a: /* Left Shift */
304 s->modifiers |= 1;
305 break;
306 case 0xaa:
307 s->modifiers &= ~1;
308 break;
309 case 0x36: /* Right Shift */
310 s->modifiers |= 2;
311 break;
312 case 0xb6:
313 s->modifiers &= ~2;
314 break;
315 case 0x1d: /* Control */
316 s->modifiers |= 4;
317 break;
318 case 0x9d:
319 s->modifiers &= ~4;
320 break;
321 case 0x38: /* Alt */
322 s->modifiers |= 8;
323 break;
324 case 0xb8:
325 s->modifiers &= ~8;
326 break;
329 code = s->pre_map[mapcode = ((s->modifiers & 3) ?
330 (keycode | SPITZ_MOD_SHIFT) :
331 (keycode & ~SPITZ_MOD_SHIFT))];
333 if (code != mapcode) {
334 #if 0
335 if ((code & SPITZ_MOD_SHIFT) && !(s->modifiers & 1)) {
336 QUEUE_KEY(0x2a | (keycode & 0x80));
338 if ((code & SPITZ_MOD_CTRL) && !(s->modifiers & 4)) {
339 QUEUE_KEY(0x1d | (keycode & 0x80));
341 if ((code & SPITZ_MOD_FN) && !(s->modifiers & 8)) {
342 QUEUE_KEY(0x38 | (keycode & 0x80));
344 if ((code & SPITZ_MOD_FN) && (s->modifiers & 1)) {
345 QUEUE_KEY(0x2a | (~keycode & 0x80));
347 if ((code & SPITZ_MOD_FN) && (s->modifiers & 2)) {
348 QUEUE_KEY(0x36 | (~keycode & 0x80));
350 #else
351 if (keycode & 0x80) {
352 if ((s->imodifiers & 1 ) && !(s->modifiers & 1))
353 QUEUE_KEY(0x2a | 0x80);
354 if ((s->imodifiers & 4 ) && !(s->modifiers & 4))
355 QUEUE_KEY(0x1d | 0x80);
356 if ((s->imodifiers & 8 ) && !(s->modifiers & 8))
357 QUEUE_KEY(0x38 | 0x80);
358 if ((s->imodifiers & 0x10) && (s->modifiers & 1))
359 QUEUE_KEY(0x2a);
360 if ((s->imodifiers & 0x20) && (s->modifiers & 2))
361 QUEUE_KEY(0x36);
362 s->imodifiers = 0;
363 } else {
364 if ((code & SPITZ_MOD_SHIFT) &&
365 !((s->modifiers | s->imodifiers) & 1)) {
366 QUEUE_KEY(0x2a);
367 s->imodifiers |= 1;
369 if ((code & SPITZ_MOD_CTRL) &&
370 !((s->modifiers | s->imodifiers) & 4)) {
371 QUEUE_KEY(0x1d);
372 s->imodifiers |= 4;
374 if ((code & SPITZ_MOD_FN) &&
375 !((s->modifiers | s->imodifiers) & 8)) {
376 QUEUE_KEY(0x38);
377 s->imodifiers |= 8;
379 if ((code & SPITZ_MOD_FN) && (s->modifiers & 1) &&
380 !(s->imodifiers & 0x10)) {
381 QUEUE_KEY(0x2a | 0x80);
382 s->imodifiers |= 0x10;
384 if ((code & SPITZ_MOD_FN) && (s->modifiers & 2) &&
385 !(s->imodifiers & 0x20)) {
386 QUEUE_KEY(0x36 | 0x80);
387 s->imodifiers |= 0x20;
390 #endif
393 QUEUE_KEY((code & 0x7f) | (keycode & 0x80));
396 static void spitz_keyboard_tick(void *opaque)
398 SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
400 if (s->fifolen) {
401 spitz_keyboard_keydown(s, s->fifo[s->fifopos ++]);
402 s->fifolen --;
403 if (s->fifopos >= 16)
404 s->fifopos = 0;
407 timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
408 NANOSECONDS_PER_SECOND / 32);
411 static void spitz_keyboard_pre_map(SpitzKeyboardState *s)
413 int i;
414 for (i = 0; i < 0x100; i ++)
415 s->pre_map[i] = i;
416 s->pre_map[0x02 | SPITZ_MOD_SHIFT] = 0x02 | SPITZ_MOD_SHIFT; /* exclam */
417 s->pre_map[0x28 | SPITZ_MOD_SHIFT] = 0x03 | SPITZ_MOD_SHIFT; /* quotedbl */
418 s->pre_map[0x04 | SPITZ_MOD_SHIFT] = 0x04 | SPITZ_MOD_SHIFT; /* # */
419 s->pre_map[0x05 | SPITZ_MOD_SHIFT] = 0x05 | SPITZ_MOD_SHIFT; /* dollar */
420 s->pre_map[0x06 | SPITZ_MOD_SHIFT] = 0x06 | SPITZ_MOD_SHIFT; /* percent */
421 s->pre_map[0x08 | SPITZ_MOD_SHIFT] = 0x07 | SPITZ_MOD_SHIFT; /* ampersand */
422 s->pre_map[0x28] = 0x08 | SPITZ_MOD_SHIFT; /* ' */
423 s->pre_map[0x0a | SPITZ_MOD_SHIFT] = 0x09 | SPITZ_MOD_SHIFT; /* ( */
424 s->pre_map[0x0b | SPITZ_MOD_SHIFT] = 0x0a | SPITZ_MOD_SHIFT; /* ) */
425 s->pre_map[0x29 | SPITZ_MOD_SHIFT] = 0x0b | SPITZ_MOD_SHIFT; /* tilde */
426 s->pre_map[0x03 | SPITZ_MOD_SHIFT] = 0x0c | SPITZ_MOD_SHIFT; /* at */
427 s->pre_map[0xd3] = 0x0e | SPITZ_MOD_FN; /* Delete */
428 s->pre_map[0x3a] = 0x0f | SPITZ_MOD_FN; /* Caps_Lock */
429 s->pre_map[0x07 | SPITZ_MOD_SHIFT] = 0x11 | SPITZ_MOD_FN; /* ^ */
430 s->pre_map[0x0d] = 0x12 | SPITZ_MOD_FN; /* equal */
431 s->pre_map[0x0d | SPITZ_MOD_SHIFT] = 0x13 | SPITZ_MOD_FN; /* plus */
432 s->pre_map[0x1a] = 0x14 | SPITZ_MOD_FN; /* [ */
433 s->pre_map[0x1b] = 0x15 | SPITZ_MOD_FN; /* ] */
434 s->pre_map[0x1a | SPITZ_MOD_SHIFT] = 0x16 | SPITZ_MOD_FN; /* { */
435 s->pre_map[0x1b | SPITZ_MOD_SHIFT] = 0x17 | SPITZ_MOD_FN; /* } */
436 s->pre_map[0x27] = 0x22 | SPITZ_MOD_FN; /* semicolon */
437 s->pre_map[0x27 | SPITZ_MOD_SHIFT] = 0x23 | SPITZ_MOD_FN; /* colon */
438 s->pre_map[0x09 | SPITZ_MOD_SHIFT] = 0x24 | SPITZ_MOD_FN; /* asterisk */
439 s->pre_map[0x2b] = 0x25 | SPITZ_MOD_FN; /* backslash */
440 s->pre_map[0x2b | SPITZ_MOD_SHIFT] = 0x26 | SPITZ_MOD_FN; /* bar */
441 s->pre_map[0x0c | SPITZ_MOD_SHIFT] = 0x30 | SPITZ_MOD_FN; /* _ */
442 s->pre_map[0x33 | SPITZ_MOD_SHIFT] = 0x33 | SPITZ_MOD_FN; /* less */
443 s->pre_map[0x35] = 0x33 | SPITZ_MOD_SHIFT; /* slash */
444 s->pre_map[0x34 | SPITZ_MOD_SHIFT] = 0x34 | SPITZ_MOD_FN; /* greater */
445 s->pre_map[0x35 | SPITZ_MOD_SHIFT] = 0x34 | SPITZ_MOD_SHIFT; /* question */
446 s->pre_map[0x49] = 0x48 | SPITZ_MOD_FN; /* Page_Up */
447 s->pre_map[0x51] = 0x50 | SPITZ_MOD_FN; /* Page_Down */
449 s->modifiers = 0;
450 s->imodifiers = 0;
451 s->fifopos = 0;
452 s->fifolen = 0;
455 #undef SPITZ_MOD_SHIFT
456 #undef SPITZ_MOD_CTRL
457 #undef SPITZ_MOD_FN
459 static int spitz_keyboard_post_load(void *opaque, int version_id)
461 SpitzKeyboardState *s = (SpitzKeyboardState *) opaque;
463 /* Release all pressed keys */
464 memset(s->keyrow, 0, sizeof(s->keyrow));
465 spitz_keyboard_sense_update(s);
466 s->modifiers = 0;
467 s->imodifiers = 0;
468 s->fifopos = 0;
469 s->fifolen = 0;
471 return 0;
474 static void spitz_keyboard_register(PXA2xxState *cpu)
476 int i;
477 DeviceState *dev;
478 SpitzKeyboardState *s;
480 dev = sysbus_create_simple(TYPE_SPITZ_KEYBOARD, -1, NULL);
481 s = SPITZ_KEYBOARD(dev);
483 for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++)
484 qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(cpu->gpio, spitz_gpio_key_sense[i]));
486 for (i = 0; i < 5; i ++)
487 s->gpiomap[i] = qdev_get_gpio_in(cpu->gpio, spitz_gpiomap[i]);
489 if (!graphic_rotate)
490 s->gpiomap[4] = qemu_irq_invert(s->gpiomap[4]);
492 for (i = 0; i < 5; i++)
493 qemu_set_irq(s->gpiomap[i], 0);
495 for (i = 0; i < SPITZ_KEY_STROBE_NUM; i ++)
496 qdev_connect_gpio_out(cpu->gpio, spitz_gpio_key_strobe[i],
497 qdev_get_gpio_in(dev, i));
499 timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
501 qemu_add_kbd_event_handler(spitz_keyboard_handler, s);
504 static void spitz_keyboard_init(Object *obj)
506 DeviceState *dev = DEVICE(obj);
507 SpitzKeyboardState *s = SPITZ_KEYBOARD(obj);
508 int i, j;
510 for (i = 0; i < 0x80; i ++)
511 s->keymap[i] = -1;
512 for (i = 0; i < SPITZ_KEY_SENSE_NUM + 1; i ++)
513 for (j = 0; j < SPITZ_KEY_STROBE_NUM; j ++)
514 if (spitz_keymap[i][j] != -1)
515 s->keymap[spitz_keymap[i][j]] = (i << 4) | j;
517 spitz_keyboard_pre_map(s);
519 s->kbdtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, spitz_keyboard_tick, s);
520 qdev_init_gpio_in(dev, spitz_keyboard_strobe, SPITZ_KEY_STROBE_NUM);
521 qdev_init_gpio_out(dev, s->sense, SPITZ_KEY_SENSE_NUM);
524 /* LCD backlight controller */
526 #define LCDTG_RESCTL 0x00
527 #define LCDTG_PHACTRL 0x01
528 #define LCDTG_DUTYCTRL 0x02
529 #define LCDTG_POWERREG0 0x03
530 #define LCDTG_POWERREG1 0x04
531 #define LCDTG_GPOR3 0x05
532 #define LCDTG_PICTRL 0x06
533 #define LCDTG_POLCTRL 0x07
535 typedef struct {
536 SSISlave ssidev;
537 uint32_t bl_intensity;
538 uint32_t bl_power;
539 } SpitzLCDTG;
541 static void spitz_bl_update(SpitzLCDTG *s)
543 if (s->bl_power && s->bl_intensity)
544 zaurus_printf("LCD Backlight now at %i/63\n", s->bl_intensity);
545 else
546 zaurus_printf("LCD Backlight now off\n");
549 /* FIXME: Implement GPIO properly and remove this hack. */
550 static SpitzLCDTG *spitz_lcdtg;
552 static inline void spitz_bl_bit5(void *opaque, int line, int level)
554 SpitzLCDTG *s = spitz_lcdtg;
555 int prev = s->bl_intensity;
557 if (level)
558 s->bl_intensity &= ~0x20;
559 else
560 s->bl_intensity |= 0x20;
562 if (s->bl_power && prev != s->bl_intensity)
563 spitz_bl_update(s);
566 static inline void spitz_bl_power(void *opaque, int line, int level)
568 SpitzLCDTG *s = spitz_lcdtg;
569 s->bl_power = !!level;
570 spitz_bl_update(s);
573 static uint32_t spitz_lcdtg_transfer(SSISlave *dev, uint32_t value)
575 SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
576 int addr;
577 addr = value >> 5;
578 value &= 0x1f;
580 switch (addr) {
581 case LCDTG_RESCTL:
582 if (value)
583 zaurus_printf("LCD in QVGA mode\n");
584 else
585 zaurus_printf("LCD in VGA mode\n");
586 break;
588 case LCDTG_DUTYCTRL:
589 s->bl_intensity &= ~0x1f;
590 s->bl_intensity |= value;
591 if (s->bl_power)
592 spitz_bl_update(s);
593 break;
595 case LCDTG_POWERREG0:
596 /* Set common voltage to M62332FP */
597 break;
599 return 0;
602 static void spitz_lcdtg_realize(SSISlave *dev, Error **errp)
604 SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev);
606 spitz_lcdtg = s;
607 s->bl_power = 0;
608 s->bl_intensity = 0x20;
611 /* SSP devices */
613 #define CORGI_SSP_PORT 2
615 #define SPITZ_GPIO_LCDCON_CS 53
616 #define SPITZ_GPIO_ADS7846_CS 14
617 #define SPITZ_GPIO_MAX1111_CS 20
618 #define SPITZ_GPIO_TP_INT 11
620 static DeviceState *max1111;
622 /* "Demux" the signal based on current chipselect */
623 typedef struct {
624 SSISlave ssidev;
625 SSIBus *bus[3];
626 uint32_t enable[3];
627 } CorgiSSPState;
629 static uint32_t corgi_ssp_transfer(SSISlave *dev, uint32_t value)
631 CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev);
632 int i;
634 for (i = 0; i < 3; i++) {
635 if (s->enable[i]) {
636 return ssi_transfer(s->bus[i], value);
639 return 0;
642 static void corgi_ssp_gpio_cs(void *opaque, int line, int level)
644 CorgiSSPState *s = (CorgiSSPState *)opaque;
645 assert(line >= 0 && line < 3);
646 s->enable[line] = !level;
649 #define MAX1111_BATT_VOLT 1
650 #define MAX1111_BATT_TEMP 2
651 #define MAX1111_ACIN_VOLT 3
653 #define SPITZ_BATTERY_TEMP 0xe0 /* About 2.9V */
654 #define SPITZ_BATTERY_VOLT 0xd0 /* About 4.0V */
655 #define SPITZ_CHARGEON_ACIN 0x80 /* About 5.0V */
657 static void spitz_adc_temp_on(void *opaque, int line, int level)
659 if (!max1111)
660 return;
662 if (level)
663 max111x_set_input(max1111, MAX1111_BATT_TEMP, SPITZ_BATTERY_TEMP);
664 else
665 max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
668 static void corgi_ssp_realize(SSISlave *d, Error **errp)
670 DeviceState *dev = DEVICE(d);
671 CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, d);
673 qdev_init_gpio_in(dev, corgi_ssp_gpio_cs, 3);
674 s->bus[0] = ssi_create_bus(dev, "ssi0");
675 s->bus[1] = ssi_create_bus(dev, "ssi1");
676 s->bus[2] = ssi_create_bus(dev, "ssi2");
679 static void spitz_ssp_attach(PXA2xxState *cpu)
681 DeviceState *mux;
682 DeviceState *dev;
683 void *bus;
685 mux = ssi_create_slave(cpu->ssp[CORGI_SSP_PORT - 1], "corgi-ssp");
687 bus = qdev_get_child_bus(mux, "ssi0");
688 ssi_create_slave(bus, "spitz-lcdtg");
690 bus = qdev_get_child_bus(mux, "ssi1");
691 dev = ssi_create_slave(bus, "ads7846");
692 qdev_connect_gpio_out(dev, 0,
693 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_TP_INT));
695 bus = qdev_get_child_bus(mux, "ssi2");
696 max1111 = ssi_create_slave(bus, "max1111");
697 max111x_set_input(max1111, MAX1111_BATT_VOLT, SPITZ_BATTERY_VOLT);
698 max111x_set_input(max1111, MAX1111_BATT_TEMP, 0);
699 max111x_set_input(max1111, MAX1111_ACIN_VOLT, SPITZ_CHARGEON_ACIN);
701 qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_LCDCON_CS,
702 qdev_get_gpio_in(mux, 0));
703 qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_ADS7846_CS,
704 qdev_get_gpio_in(mux, 1));
705 qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_MAX1111_CS,
706 qdev_get_gpio_in(mux, 2));
709 /* CF Microdrive */
711 static void spitz_microdrive_attach(PXA2xxState *cpu, int slot)
713 PCMCIACardState *md;
714 DriveInfo *dinfo;
716 dinfo = drive_get(IF_IDE, 0, 0);
717 if (!dinfo || dinfo->media_cd)
718 return;
719 md = dscm1xxxx_init(dinfo);
720 pxa2xx_pcmcia_attach(cpu->pcmcia[slot], md);
723 /* Wm8750 and Max7310 on I2C */
725 #define AKITA_MAX_ADDR 0x18
726 #define SPITZ_WM_ADDRL 0x1b
727 #define SPITZ_WM_ADDRH 0x1a
729 #define SPITZ_GPIO_WM 5
731 static void spitz_wm8750_addr(void *opaque, int line, int level)
733 I2CSlave *wm = (I2CSlave *) opaque;
734 if (level)
735 i2c_set_slave_address(wm, SPITZ_WM_ADDRH);
736 else
737 i2c_set_slave_address(wm, SPITZ_WM_ADDRL);
740 static void spitz_i2c_setup(PXA2xxState *cpu)
742 /* Attach the CPU on one end of our I2C bus. */
743 I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
745 DeviceState *wm;
747 /* Attach a WM8750 to the bus */
748 wm = i2c_create_slave(bus, "wm8750", 0);
750 spitz_wm8750_addr(wm, 0, 0);
751 qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_WM,
752 qemu_allocate_irq(spitz_wm8750_addr, wm, 0));
753 /* .. and to the sound interface. */
754 cpu->i2s->opaque = wm;
755 cpu->i2s->codec_out = wm8750_dac_dat;
756 cpu->i2s->codec_in = wm8750_adc_dat;
757 wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s);
760 static void spitz_akita_i2c_setup(PXA2xxState *cpu)
762 /* Attach a Max7310 to Akita I2C bus. */
763 i2c_create_slave(pxa2xx_i2c_bus(cpu->i2c[0]), "max7310",
764 AKITA_MAX_ADDR);
767 /* Other peripherals */
769 static void spitz_out_switch(void *opaque, int line, int level)
771 switch (line) {
772 case 0:
773 zaurus_printf("Charging %s.\n", level ? "off" : "on");
774 break;
775 case 1:
776 zaurus_printf("Discharging %s.\n", level ? "on" : "off");
777 break;
778 case 2:
779 zaurus_printf("Green LED %s.\n", level ? "on" : "off");
780 break;
781 case 3:
782 zaurus_printf("Orange LED %s.\n", level ? "on" : "off");
783 break;
784 case 4:
785 spitz_bl_bit5(opaque, line, level);
786 break;
787 case 5:
788 spitz_bl_power(opaque, line, level);
789 break;
790 case 6:
791 spitz_adc_temp_on(opaque, line, level);
792 break;
796 #define SPITZ_SCP_LED_GREEN 1
797 #define SPITZ_SCP_JK_B 2
798 #define SPITZ_SCP_CHRG_ON 3
799 #define SPITZ_SCP_MUTE_L 4
800 #define SPITZ_SCP_MUTE_R 5
801 #define SPITZ_SCP_CF_POWER 6
802 #define SPITZ_SCP_LED_ORANGE 7
803 #define SPITZ_SCP_JK_A 8
804 #define SPITZ_SCP_ADC_TEMP_ON 9
805 #define SPITZ_SCP2_IR_ON 1
806 #define SPITZ_SCP2_AKIN_PULLUP 2
807 #define SPITZ_SCP2_BACKLIGHT_CONT 7
808 #define SPITZ_SCP2_BACKLIGHT_ON 8
809 #define SPITZ_SCP2_MIC_BIAS 9
811 static void spitz_scoop_gpio_setup(PXA2xxState *cpu,
812 DeviceState *scp0, DeviceState *scp1)
814 qemu_irq *outsignals = qemu_allocate_irqs(spitz_out_switch, cpu, 8);
816 qdev_connect_gpio_out(scp0, SPITZ_SCP_CHRG_ON, outsignals[0]);
817 qdev_connect_gpio_out(scp0, SPITZ_SCP_JK_B, outsignals[1]);
818 qdev_connect_gpio_out(scp0, SPITZ_SCP_LED_GREEN, outsignals[2]);
819 qdev_connect_gpio_out(scp0, SPITZ_SCP_LED_ORANGE, outsignals[3]);
821 if (scp1) {
822 qdev_connect_gpio_out(scp1, SPITZ_SCP2_BACKLIGHT_CONT, outsignals[4]);
823 qdev_connect_gpio_out(scp1, SPITZ_SCP2_BACKLIGHT_ON, outsignals[5]);
826 qdev_connect_gpio_out(scp0, SPITZ_SCP_ADC_TEMP_ON, outsignals[6]);
829 #define SPITZ_GPIO_HSYNC 22
830 #define SPITZ_GPIO_SD_DETECT 9
831 #define SPITZ_GPIO_SD_WP 81
832 #define SPITZ_GPIO_ON_RESET 89
833 #define SPITZ_GPIO_BAT_COVER 90
834 #define SPITZ_GPIO_CF1_IRQ 105
835 #define SPITZ_GPIO_CF1_CD 94
836 #define SPITZ_GPIO_CF2_IRQ 106
837 #define SPITZ_GPIO_CF2_CD 93
839 static int spitz_hsync;
841 static void spitz_lcd_hsync_handler(void *opaque, int line, int level)
843 PXA2xxState *cpu = (PXA2xxState *) opaque;
844 qemu_set_irq(qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_HSYNC), spitz_hsync);
845 spitz_hsync ^= 1;
848 static void spitz_reset(void *opaque, int line, int level)
850 if (level) {
851 qemu_system_reset_request(SHUTDOWN_CAUSE_GUEST_RESET);
855 static void spitz_gpio_setup(PXA2xxState *cpu, int slots)
857 qemu_irq lcd_hsync;
858 qemu_irq reset;
861 * Bad hack: We toggle the LCD hsync GPIO on every GPIO status
862 * read to satisfy broken guests that poll-wait for hsync.
863 * Simulating a real hsync event would be less practical and
864 * wouldn't guarantee that a guest ever exits the loop.
866 spitz_hsync = 0;
867 lcd_hsync = qemu_allocate_irq(spitz_lcd_hsync_handler, cpu, 0);
868 pxa2xx_gpio_read_notifier(cpu->gpio, lcd_hsync);
869 pxa2xx_lcd_vsync_notifier(cpu->lcd, lcd_hsync);
871 /* MMC/SD host */
872 pxa2xx_mmci_handlers(cpu->mmc,
873 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_SD_WP),
874 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_SD_DETECT));
876 /* Battery lock always closed */
877 qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_BAT_COVER));
879 /* Handle reset */
880 reset = qemu_allocate_irq(spitz_reset, cpu, 0);
881 qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_ON_RESET, reset);
883 /* PCMCIA signals: card's IRQ and Card-Detect */
884 if (slots >= 1)
885 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0],
886 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF1_IRQ),
887 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF1_CD));
888 if (slots >= 2)
889 pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1],
890 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF2_IRQ),
891 qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF2_CD));
894 /* Board init. */
895 enum spitz_model_e { spitz, akita, borzoi, terrier };
897 #define SPITZ_RAM 0x04000000
898 #define SPITZ_ROM 0x00800000
900 static struct arm_boot_info spitz_binfo = {
901 .loader_start = PXA2XX_SDRAM_BASE,
902 .ram_size = 0x04000000,
905 static void spitz_common_init(MachineState *machine,
906 enum spitz_model_e model, int arm_id)
908 PXA2xxState *mpu;
909 DeviceState *scp0, *scp1 = NULL;
910 MemoryRegion *address_space_mem = get_system_memory();
911 MemoryRegion *rom = g_new(MemoryRegion, 1);
912 const char *cpu_model = machine->cpu_model;
914 if (!cpu_model)
915 cpu_model = (model == terrier) ? "pxa270-c5" : "pxa270-c0";
917 /* Setup CPU & memory */
918 mpu = pxa270_init(address_space_mem, spitz_binfo.ram_size, cpu_model);
920 sl_flash_register(mpu, (model == spitz) ? FLASH_128M : FLASH_1024M);
922 memory_region_init_ram(rom, NULL, "spitz.rom", SPITZ_ROM, &error_fatal);
923 vmstate_register_ram_global(rom);
924 memory_region_set_readonly(rom, true);
925 memory_region_add_subregion(address_space_mem, 0, rom);
927 /* Setup peripherals */
928 spitz_keyboard_register(mpu);
930 spitz_ssp_attach(mpu);
932 scp0 = sysbus_create_simple("scoop", 0x10800000, NULL);
933 if (model != akita) {
934 scp1 = sysbus_create_simple("scoop", 0x08800040, NULL);
937 spitz_scoop_gpio_setup(mpu, scp0, scp1);
939 spitz_gpio_setup(mpu, (model == akita) ? 1 : 2);
941 spitz_i2c_setup(mpu);
943 if (model == akita)
944 spitz_akita_i2c_setup(mpu);
946 if (model == terrier)
947 /* A 6.0 GB microdrive is permanently sitting in CF slot 1. */
948 spitz_microdrive_attach(mpu, 1);
949 else if (model != akita)
950 /* A 4.0 GB microdrive is permanently sitting in CF slot 0. */
951 spitz_microdrive_attach(mpu, 0);
953 spitz_binfo.kernel_filename = machine->kernel_filename;
954 spitz_binfo.kernel_cmdline = machine->kernel_cmdline;
955 spitz_binfo.initrd_filename = machine->initrd_filename;
956 spitz_binfo.board_id = arm_id;
957 arm_load_kernel(mpu->cpu, &spitz_binfo);
958 sl_bootparam_write(SL_PXA_PARAM_BASE);
961 static void spitz_init(MachineState *machine)
963 spitz_common_init(machine, spitz, 0x2c9);
966 static void borzoi_init(MachineState *machine)
968 spitz_common_init(machine, borzoi, 0x33f);
971 static void akita_init(MachineState *machine)
973 spitz_common_init(machine, akita, 0x2e8);
976 static void terrier_init(MachineState *machine)
978 spitz_common_init(machine, terrier, 0x33f);
981 static void akitapda_class_init(ObjectClass *oc, void *data)
983 MachineClass *mc = MACHINE_CLASS(oc);
985 mc->desc = "Sharp SL-C1000 (Akita) PDA (PXA270)";
986 mc->init = akita_init;
989 static const TypeInfo akitapda_type = {
990 .name = MACHINE_TYPE_NAME("akita"),
991 .parent = TYPE_MACHINE,
992 .class_init = akitapda_class_init,
995 static void spitzpda_class_init(ObjectClass *oc, void *data)
997 MachineClass *mc = MACHINE_CLASS(oc);
999 mc->desc = "Sharp SL-C3000 (Spitz) PDA (PXA270)";
1000 mc->init = spitz_init;
1001 mc->block_default_type = IF_IDE;
1004 static const TypeInfo spitzpda_type = {
1005 .name = MACHINE_TYPE_NAME("spitz"),
1006 .parent = TYPE_MACHINE,
1007 .class_init = spitzpda_class_init,
1010 static void borzoipda_class_init(ObjectClass *oc, void *data)
1012 MachineClass *mc = MACHINE_CLASS(oc);
1014 mc->desc = "Sharp SL-C3100 (Borzoi) PDA (PXA270)";
1015 mc->init = borzoi_init;
1016 mc->block_default_type = IF_IDE;
1019 static const TypeInfo borzoipda_type = {
1020 .name = MACHINE_TYPE_NAME("borzoi"),
1021 .parent = TYPE_MACHINE,
1022 .class_init = borzoipda_class_init,
1025 static void terrierpda_class_init(ObjectClass *oc, void *data)
1027 MachineClass *mc = MACHINE_CLASS(oc);
1029 mc->desc = "Sharp SL-C3200 (Terrier) PDA (PXA270)";
1030 mc->init = terrier_init;
1031 mc->block_default_type = IF_IDE;
1034 static const TypeInfo terrierpda_type = {
1035 .name = MACHINE_TYPE_NAME("terrier"),
1036 .parent = TYPE_MACHINE,
1037 .class_init = terrierpda_class_init,
1040 static void spitz_machine_init(void)
1042 type_register_static(&akitapda_type);
1043 type_register_static(&spitzpda_type);
1044 type_register_static(&borzoipda_type);
1045 type_register_static(&terrierpda_type);
1048 type_init(spitz_machine_init)
1050 static bool is_version_0(void *opaque, int version_id)
1052 return version_id == 0;
1055 static VMStateDescription vmstate_sl_nand_info = {
1056 .name = "sl-nand",
1057 .version_id = 0,
1058 .minimum_version_id = 0,
1059 .fields = (VMStateField[]) {
1060 VMSTATE_UINT8(ctl, SLNANDState),
1061 VMSTATE_STRUCT(ecc, SLNANDState, 0, vmstate_ecc_state, ECCState),
1062 VMSTATE_END_OF_LIST(),
1066 static Property sl_nand_properties[] = {
1067 DEFINE_PROP_UINT8("manf_id", SLNANDState, manf_id, NAND_MFR_SAMSUNG),
1068 DEFINE_PROP_UINT8("chip_id", SLNANDState, chip_id, 0xf1),
1069 DEFINE_PROP_END_OF_LIST(),
1072 static void sl_nand_class_init(ObjectClass *klass, void *data)
1074 DeviceClass *dc = DEVICE_CLASS(klass);
1076 dc->vmsd = &vmstate_sl_nand_info;
1077 dc->props = sl_nand_properties;
1078 /* Reason: init() method uses drive_get() */
1079 dc->user_creatable = false;
1082 static const TypeInfo sl_nand_info = {
1083 .name = TYPE_SL_NAND,
1084 .parent = TYPE_SYS_BUS_DEVICE,
1085 .instance_size = sizeof(SLNANDState),
1086 .instance_init = sl_nand_init,
1087 .class_init = sl_nand_class_init,
1090 static VMStateDescription vmstate_spitz_kbd = {
1091 .name = "spitz-keyboard",
1092 .version_id = 1,
1093 .minimum_version_id = 0,
1094 .post_load = spitz_keyboard_post_load,
1095 .fields = (VMStateField[]) {
1096 VMSTATE_UINT16(sense_state, SpitzKeyboardState),
1097 VMSTATE_UINT16(strobe_state, SpitzKeyboardState),
1098 VMSTATE_UNUSED_TEST(is_version_0, 5),
1099 VMSTATE_END_OF_LIST(),
1103 static void spitz_keyboard_class_init(ObjectClass *klass, void *data)
1105 DeviceClass *dc = DEVICE_CLASS(klass);
1107 dc->vmsd = &vmstate_spitz_kbd;
1110 static const TypeInfo spitz_keyboard_info = {
1111 .name = TYPE_SPITZ_KEYBOARD,
1112 .parent = TYPE_SYS_BUS_DEVICE,
1113 .instance_size = sizeof(SpitzKeyboardState),
1114 .instance_init = spitz_keyboard_init,
1115 .class_init = spitz_keyboard_class_init,
1118 static const VMStateDescription vmstate_corgi_ssp_regs = {
1119 .name = "corgi-ssp",
1120 .version_id = 2,
1121 .minimum_version_id = 2,
1122 .fields = (VMStateField[]) {
1123 VMSTATE_SSI_SLAVE(ssidev, CorgiSSPState),
1124 VMSTATE_UINT32_ARRAY(enable, CorgiSSPState, 3),
1125 VMSTATE_END_OF_LIST(),
1129 static void corgi_ssp_class_init(ObjectClass *klass, void *data)
1131 DeviceClass *dc = DEVICE_CLASS(klass);
1132 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
1134 k->realize = corgi_ssp_realize;
1135 k->transfer = corgi_ssp_transfer;
1136 dc->vmsd = &vmstate_corgi_ssp_regs;
1139 static const TypeInfo corgi_ssp_info = {
1140 .name = "corgi-ssp",
1141 .parent = TYPE_SSI_SLAVE,
1142 .instance_size = sizeof(CorgiSSPState),
1143 .class_init = corgi_ssp_class_init,
1146 static const VMStateDescription vmstate_spitz_lcdtg_regs = {
1147 .name = "spitz-lcdtg",
1148 .version_id = 1,
1149 .minimum_version_id = 1,
1150 .fields = (VMStateField[]) {
1151 VMSTATE_SSI_SLAVE(ssidev, SpitzLCDTG),
1152 VMSTATE_UINT32(bl_intensity, SpitzLCDTG),
1153 VMSTATE_UINT32(bl_power, SpitzLCDTG),
1154 VMSTATE_END_OF_LIST(),
1158 static void spitz_lcdtg_class_init(ObjectClass *klass, void *data)
1160 DeviceClass *dc = DEVICE_CLASS(klass);
1161 SSISlaveClass *k = SSI_SLAVE_CLASS(klass);
1163 k->realize = spitz_lcdtg_realize;
1164 k->transfer = spitz_lcdtg_transfer;
1165 dc->vmsd = &vmstate_spitz_lcdtg_regs;
1168 static const TypeInfo spitz_lcdtg_info = {
1169 .name = "spitz-lcdtg",
1170 .parent = TYPE_SSI_SLAVE,
1171 .instance_size = sizeof(SpitzLCDTG),
1172 .class_init = spitz_lcdtg_class_init,
1175 static void spitz_register_types(void)
1177 type_register_static(&corgi_ssp_info);
1178 type_register_static(&spitz_lcdtg_info);
1179 type_register_static(&spitz_keyboard_info);
1180 type_register_static(&sl_nand_info);
1183 type_init(spitz_register_types)