X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Fhw%2Farm%2Fspitz.c;fp=qemu%2Fhw%2Farm%2Fspitz.c;h=5bf032a63731119c16ba6824e3e5c63db9339761;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/hw/arm/spitz.c b/qemu/hw/arm/spitz.c new file mode 100644 index 000000000..5bf032a63 --- /dev/null +++ b/qemu/hw/arm/spitz.c @@ -0,0 +1,1149 @@ +/* + * PXA270-based Clamshell PDA platforms. + * + * Copyright (c) 2006 Openedhand Ltd. + * Written by Andrzej Zaborowski + * + * This code is licensed under the GNU GPL v2. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "hw/hw.h" +#include "hw/arm/pxa.h" +#include "hw/arm/arm.h" +#include "sysemu/sysemu.h" +#include "hw/pcmcia.h" +#include "hw/i2c/i2c.h" +#include "hw/ssi.h" +#include "hw/block/flash.h" +#include "qemu/timer.h" +#include "hw/devices.h" +#include "hw/arm/sharpsl.h" +#include "ui/console.h" +#include "audio/audio.h" +#include "hw/boards.h" +#include "sysemu/block-backend.h" +#include "hw/sysbus.h" +#include "exec/address-spaces.h" + +#undef REG_FMT +#define REG_FMT "0x%02lx" + +/* Spitz Flash */ +#define FLASH_BASE 0x0c000000 +#define FLASH_ECCLPLB 0x00 /* Line parity 7 - 0 bit */ +#define FLASH_ECCLPUB 0x04 /* Line parity 15 - 8 bit */ +#define FLASH_ECCCP 0x08 /* Column parity 5 - 0 bit */ +#define FLASH_ECCCNTR 0x0c /* ECC byte counter */ +#define FLASH_ECCCLRR 0x10 /* Clear ECC */ +#define FLASH_FLASHIO 0x14 /* Flash I/O */ +#define FLASH_FLASHCTL 0x18 /* Flash Control */ + +#define FLASHCTL_CE0 (1 << 0) +#define FLASHCTL_CLE (1 << 1) +#define FLASHCTL_ALE (1 << 2) +#define FLASHCTL_WP (1 << 3) +#define FLASHCTL_CE1 (1 << 4) +#define FLASHCTL_RYBY (1 << 5) +#define FLASHCTL_NCE (FLASHCTL_CE0 | FLASHCTL_CE1) + +#define TYPE_SL_NAND "sl-nand" +#define SL_NAND(obj) OBJECT_CHECK(SLNANDState, (obj), TYPE_SL_NAND) + +typedef struct { + SysBusDevice parent_obj; + + MemoryRegion iomem; + DeviceState *nand; + uint8_t ctl; + uint8_t manf_id; + uint8_t chip_id; + ECCState ecc; +} SLNANDState; + +static uint64_t sl_read(void *opaque, hwaddr addr, unsigned size) +{ + SLNANDState *s = (SLNANDState *) opaque; + int ryby; + + switch (addr) { +#define BSHR(byte, from, to) ((s->ecc.lp[byte] >> (from - to)) & (1 << to)) + case FLASH_ECCLPLB: + return BSHR(0, 4, 0) | BSHR(0, 5, 2) | BSHR(0, 6, 4) | BSHR(0, 7, 6) | + BSHR(1, 4, 1) | BSHR(1, 5, 3) | BSHR(1, 6, 5) | BSHR(1, 7, 7); + +#define BSHL(byte, from, to) ((s->ecc.lp[byte] << (to - from)) & (1 << to)) + case FLASH_ECCLPUB: + return BSHL(0, 0, 0) | BSHL(0, 1, 2) | BSHL(0, 2, 4) | BSHL(0, 3, 6) | + BSHL(1, 0, 1) | BSHL(1, 1, 3) | BSHL(1, 2, 5) | BSHL(1, 3, 7); + + case FLASH_ECCCP: + return s->ecc.cp; + + case FLASH_ECCCNTR: + return s->ecc.count & 0xff; + + case FLASH_FLASHCTL: + nand_getpins(s->nand, &ryby); + if (ryby) + return s->ctl | FLASHCTL_RYBY; + else + return s->ctl; + + case FLASH_FLASHIO: + if (size == 4) { + return ecc_digest(&s->ecc, nand_getio(s->nand)) | + (ecc_digest(&s->ecc, nand_getio(s->nand)) << 16); + } + return ecc_digest(&s->ecc, nand_getio(s->nand)); + + default: + zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr); + } + return 0; +} + +static void sl_write(void *opaque, hwaddr addr, + uint64_t value, unsigned size) +{ + SLNANDState *s = (SLNANDState *) opaque; + + switch (addr) { + case FLASH_ECCCLRR: + /* Value is ignored. */ + ecc_reset(&s->ecc); + break; + + case FLASH_FLASHCTL: + s->ctl = value & 0xff & ~FLASHCTL_RYBY; + nand_setpins(s->nand, + s->ctl & FLASHCTL_CLE, + s->ctl & FLASHCTL_ALE, + s->ctl & FLASHCTL_NCE, + s->ctl & FLASHCTL_WP, + 0); + break; + + case FLASH_FLASHIO: + nand_setio(s->nand, ecc_digest(&s->ecc, value & 0xff)); + break; + + default: + zaurus_printf("Bad register offset " REG_FMT "\n", (unsigned long)addr); + } +} + +enum { + FLASH_128M, + FLASH_1024M, +}; + +static const MemoryRegionOps sl_ops = { + .read = sl_read, + .write = sl_write, + .endianness = DEVICE_NATIVE_ENDIAN, +}; + +static void sl_flash_register(PXA2xxState *cpu, int size) +{ + DeviceState *dev; + + dev = qdev_create(NULL, TYPE_SL_NAND); + + qdev_prop_set_uint8(dev, "manf_id", NAND_MFR_SAMSUNG); + if (size == FLASH_128M) + qdev_prop_set_uint8(dev, "chip_id", 0x73); + else if (size == FLASH_1024M) + qdev_prop_set_uint8(dev, "chip_id", 0xf1); + + qdev_init_nofail(dev); + sysbus_mmio_map(SYS_BUS_DEVICE(dev), 0, FLASH_BASE); +} + +static int sl_nand_init(SysBusDevice *dev) +{ + SLNANDState *s = SL_NAND(dev); + DriveInfo *nand; + + s->ctl = 0; + /* FIXME use a qdev drive property instead of drive_get() */ + nand = drive_get(IF_MTD, 0, 0); + s->nand = nand_init(nand ? blk_by_legacy_dinfo(nand) : NULL, + s->manf_id, s->chip_id); + + memory_region_init_io(&s->iomem, OBJECT(s), &sl_ops, s, "sl", 0x40); + sysbus_init_mmio(dev, &s->iomem); + + return 0; +} + +/* Spitz Keyboard */ + +#define SPITZ_KEY_STROBE_NUM 11 +#define SPITZ_KEY_SENSE_NUM 7 + +static const int spitz_gpio_key_sense[SPITZ_KEY_SENSE_NUM] = { + 12, 17, 91, 34, 36, 38, 39 +}; + +static const int spitz_gpio_key_strobe[SPITZ_KEY_STROBE_NUM] = { + 88, 23, 24, 25, 26, 27, 52, 103, 107, 108, 114 +}; + +/* Eighth additional row maps the special keys */ +static int spitz_keymap[SPITZ_KEY_SENSE_NUM + 1][SPITZ_KEY_STROBE_NUM] = { + { 0x1d, 0x02, 0x04, 0x06, 0x07, 0x08, 0x0a, 0x0b, 0x0e, 0x3f, 0x40 }, + { -1 , 0x03, 0x05, 0x13, 0x15, 0x09, 0x17, 0x18, 0x19, 0x41, 0x42 }, + { 0x0f, 0x10, 0x12, 0x14, 0x22, 0x16, 0x24, 0x25, -1 , -1 , -1 }, + { 0x3c, 0x11, 0x1f, 0x21, 0x2f, 0x23, 0x32, 0x26, -1 , 0x36, -1 }, + { 0x3b, 0x1e, 0x20, 0x2e, 0x30, 0x31, 0x34, -1 , 0x1c, 0x2a, -1 }, + { 0x44, 0x2c, 0x2d, 0x0c, 0x39, 0x33, -1 , 0x48, -1 , -1 , 0x38 }, + { 0x37, 0x3d, -1 , 0x45, 0x57, 0x58, 0x4b, 0x50, 0x4d, -1 , -1 }, + { 0x52, 0x43, 0x01, 0x47, 0x49, -1 , -1 , -1 , -1 , -1 , -1 }, +}; + +#define SPITZ_GPIO_AK_INT 13 /* Remote control */ +#define SPITZ_GPIO_SYNC 16 /* Sync button */ +#define SPITZ_GPIO_ON_KEY 95 /* Power button */ +#define SPITZ_GPIO_SWA 97 /* Lid */ +#define SPITZ_GPIO_SWB 96 /* Tablet mode */ + +/* The special buttons are mapped to unused keys */ +static const int spitz_gpiomap[5] = { + SPITZ_GPIO_AK_INT, SPITZ_GPIO_SYNC, SPITZ_GPIO_ON_KEY, + SPITZ_GPIO_SWA, SPITZ_GPIO_SWB, +}; + +#define TYPE_SPITZ_KEYBOARD "spitz-keyboard" +#define SPITZ_KEYBOARD(obj) \ + OBJECT_CHECK(SpitzKeyboardState, (obj), TYPE_SPITZ_KEYBOARD) + +typedef struct { + SysBusDevice parent_obj; + + qemu_irq sense[SPITZ_KEY_SENSE_NUM]; + qemu_irq gpiomap[5]; + int keymap[0x80]; + uint16_t keyrow[SPITZ_KEY_SENSE_NUM]; + uint16_t strobe_state; + uint16_t sense_state; + + uint16_t pre_map[0x100]; + uint16_t modifiers; + uint16_t imodifiers; + uint8_t fifo[16]; + int fifopos, fifolen; + QEMUTimer *kbdtimer; +} SpitzKeyboardState; + +static void spitz_keyboard_sense_update(SpitzKeyboardState *s) +{ + int i; + uint16_t strobe, sense = 0; + for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++) { + strobe = s->keyrow[i] & s->strobe_state; + if (strobe) { + sense |= 1 << i; + if (!(s->sense_state & (1 << i))) + qemu_irq_raise(s->sense[i]); + } else if (s->sense_state & (1 << i)) + qemu_irq_lower(s->sense[i]); + } + + s->sense_state = sense; +} + +static void spitz_keyboard_strobe(void *opaque, int line, int level) +{ + SpitzKeyboardState *s = (SpitzKeyboardState *) opaque; + + if (level) + s->strobe_state |= 1 << line; + else + s->strobe_state &= ~(1 << line); + spitz_keyboard_sense_update(s); +} + +static void spitz_keyboard_keydown(SpitzKeyboardState *s, int keycode) +{ + int spitz_keycode = s->keymap[keycode & 0x7f]; + if (spitz_keycode == -1) + return; + + /* Handle the additional keys */ + if ((spitz_keycode >> 4) == SPITZ_KEY_SENSE_NUM) { + qemu_set_irq(s->gpiomap[spitz_keycode & 0xf], (keycode < 0x80)); + return; + } + + if (keycode & 0x80) + s->keyrow[spitz_keycode >> 4] &= ~(1 << (spitz_keycode & 0xf)); + else + s->keyrow[spitz_keycode >> 4] |= 1 << (spitz_keycode & 0xf); + + spitz_keyboard_sense_update(s); +} + +#define SPITZ_MOD_SHIFT (1 << 7) +#define SPITZ_MOD_CTRL (1 << 8) +#define SPITZ_MOD_FN (1 << 9) + +#define QUEUE_KEY(c) s->fifo[(s->fifopos + s->fifolen ++) & 0xf] = c + +static void spitz_keyboard_handler(void *opaque, int keycode) +{ + SpitzKeyboardState *s = opaque; + uint16_t code; + int mapcode; + switch (keycode) { + case 0x2a: /* Left Shift */ + s->modifiers |= 1; + break; + case 0xaa: + s->modifiers &= ~1; + break; + case 0x36: /* Right Shift */ + s->modifiers |= 2; + break; + case 0xb6: + s->modifiers &= ~2; + break; + case 0x1d: /* Control */ + s->modifiers |= 4; + break; + case 0x9d: + s->modifiers &= ~4; + break; + case 0x38: /* Alt */ + s->modifiers |= 8; + break; + case 0xb8: + s->modifiers &= ~8; + break; + } + + code = s->pre_map[mapcode = ((s->modifiers & 3) ? + (keycode | SPITZ_MOD_SHIFT) : + (keycode & ~SPITZ_MOD_SHIFT))]; + + if (code != mapcode) { +#if 0 + if ((code & SPITZ_MOD_SHIFT) && !(s->modifiers & 1)) { + QUEUE_KEY(0x2a | (keycode & 0x80)); + } + if ((code & SPITZ_MOD_CTRL) && !(s->modifiers & 4)) { + QUEUE_KEY(0x1d | (keycode & 0x80)); + } + if ((code & SPITZ_MOD_FN) && !(s->modifiers & 8)) { + QUEUE_KEY(0x38 | (keycode & 0x80)); + } + if ((code & SPITZ_MOD_FN) && (s->modifiers & 1)) { + QUEUE_KEY(0x2a | (~keycode & 0x80)); + } + if ((code & SPITZ_MOD_FN) && (s->modifiers & 2)) { + QUEUE_KEY(0x36 | (~keycode & 0x80)); + } +#else + if (keycode & 0x80) { + if ((s->imodifiers & 1 ) && !(s->modifiers & 1)) + QUEUE_KEY(0x2a | 0x80); + if ((s->imodifiers & 4 ) && !(s->modifiers & 4)) + QUEUE_KEY(0x1d | 0x80); + if ((s->imodifiers & 8 ) && !(s->modifiers & 8)) + QUEUE_KEY(0x38 | 0x80); + if ((s->imodifiers & 0x10) && (s->modifiers & 1)) + QUEUE_KEY(0x2a); + if ((s->imodifiers & 0x20) && (s->modifiers & 2)) + QUEUE_KEY(0x36); + s->imodifiers = 0; + } else { + if ((code & SPITZ_MOD_SHIFT) && + !((s->modifiers | s->imodifiers) & 1)) { + QUEUE_KEY(0x2a); + s->imodifiers |= 1; + } + if ((code & SPITZ_MOD_CTRL) && + !((s->modifiers | s->imodifiers) & 4)) { + QUEUE_KEY(0x1d); + s->imodifiers |= 4; + } + if ((code & SPITZ_MOD_FN) && + !((s->modifiers | s->imodifiers) & 8)) { + QUEUE_KEY(0x38); + s->imodifiers |= 8; + } + if ((code & SPITZ_MOD_FN) && (s->modifiers & 1) && + !(s->imodifiers & 0x10)) { + QUEUE_KEY(0x2a | 0x80); + s->imodifiers |= 0x10; + } + if ((code & SPITZ_MOD_FN) && (s->modifiers & 2) && + !(s->imodifiers & 0x20)) { + QUEUE_KEY(0x36 | 0x80); + s->imodifiers |= 0x20; + } + } +#endif + } + + QUEUE_KEY((code & 0x7f) | (keycode & 0x80)); +} + +static void spitz_keyboard_tick(void *opaque) +{ + SpitzKeyboardState *s = (SpitzKeyboardState *) opaque; + + if (s->fifolen) { + spitz_keyboard_keydown(s, s->fifo[s->fifopos ++]); + s->fifolen --; + if (s->fifopos >= 16) + s->fifopos = 0; + } + + timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + + get_ticks_per_sec() / 32); +} + +static void spitz_keyboard_pre_map(SpitzKeyboardState *s) +{ + int i; + for (i = 0; i < 0x100; i ++) + s->pre_map[i] = i; + s->pre_map[0x02 | SPITZ_MOD_SHIFT] = 0x02 | SPITZ_MOD_SHIFT; /* exclam */ + s->pre_map[0x28 | SPITZ_MOD_SHIFT] = 0x03 | SPITZ_MOD_SHIFT; /* quotedbl */ + s->pre_map[0x04 | SPITZ_MOD_SHIFT] = 0x04 | SPITZ_MOD_SHIFT; /* # */ + s->pre_map[0x05 | SPITZ_MOD_SHIFT] = 0x05 | SPITZ_MOD_SHIFT; /* dollar */ + s->pre_map[0x06 | SPITZ_MOD_SHIFT] = 0x06 | SPITZ_MOD_SHIFT; /* percent */ + s->pre_map[0x08 | SPITZ_MOD_SHIFT] = 0x07 | SPITZ_MOD_SHIFT; /* ampersand */ + s->pre_map[0x28] = 0x08 | SPITZ_MOD_SHIFT; /* ' */ + s->pre_map[0x0a | SPITZ_MOD_SHIFT] = 0x09 | SPITZ_MOD_SHIFT; /* ( */ + s->pre_map[0x0b | SPITZ_MOD_SHIFT] = 0x0a | SPITZ_MOD_SHIFT; /* ) */ + s->pre_map[0x29 | SPITZ_MOD_SHIFT] = 0x0b | SPITZ_MOD_SHIFT; /* tilde */ + s->pre_map[0x03 | SPITZ_MOD_SHIFT] = 0x0c | SPITZ_MOD_SHIFT; /* at */ + s->pre_map[0xd3] = 0x0e | SPITZ_MOD_FN; /* Delete */ + s->pre_map[0x3a] = 0x0f | SPITZ_MOD_FN; /* Caps_Lock */ + s->pre_map[0x07 | SPITZ_MOD_SHIFT] = 0x11 | SPITZ_MOD_FN; /* ^ */ + s->pre_map[0x0d] = 0x12 | SPITZ_MOD_FN; /* equal */ + s->pre_map[0x0d | SPITZ_MOD_SHIFT] = 0x13 | SPITZ_MOD_FN; /* plus */ + s->pre_map[0x1a] = 0x14 | SPITZ_MOD_FN; /* [ */ + s->pre_map[0x1b] = 0x15 | SPITZ_MOD_FN; /* ] */ + s->pre_map[0x1a | SPITZ_MOD_SHIFT] = 0x16 | SPITZ_MOD_FN; /* { */ + s->pre_map[0x1b | SPITZ_MOD_SHIFT] = 0x17 | SPITZ_MOD_FN; /* } */ + s->pre_map[0x27] = 0x22 | SPITZ_MOD_FN; /* semicolon */ + s->pre_map[0x27 | SPITZ_MOD_SHIFT] = 0x23 | SPITZ_MOD_FN; /* colon */ + s->pre_map[0x09 | SPITZ_MOD_SHIFT] = 0x24 | SPITZ_MOD_FN; /* asterisk */ + s->pre_map[0x2b] = 0x25 | SPITZ_MOD_FN; /* backslash */ + s->pre_map[0x2b | SPITZ_MOD_SHIFT] = 0x26 | SPITZ_MOD_FN; /* bar */ + s->pre_map[0x0c | SPITZ_MOD_SHIFT] = 0x30 | SPITZ_MOD_FN; /* _ */ + s->pre_map[0x33 | SPITZ_MOD_SHIFT] = 0x33 | SPITZ_MOD_FN; /* less */ + s->pre_map[0x35] = 0x33 | SPITZ_MOD_SHIFT; /* slash */ + s->pre_map[0x34 | SPITZ_MOD_SHIFT] = 0x34 | SPITZ_MOD_FN; /* greater */ + s->pre_map[0x35 | SPITZ_MOD_SHIFT] = 0x34 | SPITZ_MOD_SHIFT; /* question */ + s->pre_map[0x49] = 0x48 | SPITZ_MOD_FN; /* Page_Up */ + s->pre_map[0x51] = 0x50 | SPITZ_MOD_FN; /* Page_Down */ + + s->modifiers = 0; + s->imodifiers = 0; + s->fifopos = 0; + s->fifolen = 0; +} + +#undef SPITZ_MOD_SHIFT +#undef SPITZ_MOD_CTRL +#undef SPITZ_MOD_FN + +static int spitz_keyboard_post_load(void *opaque, int version_id) +{ + SpitzKeyboardState *s = (SpitzKeyboardState *) opaque; + + /* Release all pressed keys */ + memset(s->keyrow, 0, sizeof(s->keyrow)); + spitz_keyboard_sense_update(s); + s->modifiers = 0; + s->imodifiers = 0; + s->fifopos = 0; + s->fifolen = 0; + + return 0; +} + +static void spitz_keyboard_register(PXA2xxState *cpu) +{ + int i; + DeviceState *dev; + SpitzKeyboardState *s; + + dev = sysbus_create_simple(TYPE_SPITZ_KEYBOARD, -1, NULL); + s = SPITZ_KEYBOARD(dev); + + for (i = 0; i < SPITZ_KEY_SENSE_NUM; i ++) + qdev_connect_gpio_out(dev, i, qdev_get_gpio_in(cpu->gpio, spitz_gpio_key_sense[i])); + + for (i = 0; i < 5; i ++) + s->gpiomap[i] = qdev_get_gpio_in(cpu->gpio, spitz_gpiomap[i]); + + if (!graphic_rotate) + s->gpiomap[4] = qemu_irq_invert(s->gpiomap[4]); + + for (i = 0; i < 5; i++) + qemu_set_irq(s->gpiomap[i], 0); + + for (i = 0; i < SPITZ_KEY_STROBE_NUM; i ++) + qdev_connect_gpio_out(cpu->gpio, spitz_gpio_key_strobe[i], + qdev_get_gpio_in(dev, i)); + + timer_mod(s->kbdtimer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL)); + + qemu_add_kbd_event_handler(spitz_keyboard_handler, s); +} + +static int spitz_keyboard_init(SysBusDevice *sbd) +{ + DeviceState *dev = DEVICE(sbd); + SpitzKeyboardState *s = SPITZ_KEYBOARD(dev); + int i, j; + + for (i = 0; i < 0x80; i ++) + s->keymap[i] = -1; + for (i = 0; i < SPITZ_KEY_SENSE_NUM + 1; i ++) + for (j = 0; j < SPITZ_KEY_STROBE_NUM; j ++) + if (spitz_keymap[i][j] != -1) + s->keymap[spitz_keymap[i][j]] = (i << 4) | j; + + spitz_keyboard_pre_map(s); + + s->kbdtimer = timer_new_ns(QEMU_CLOCK_VIRTUAL, spitz_keyboard_tick, s); + qdev_init_gpio_in(dev, spitz_keyboard_strobe, SPITZ_KEY_STROBE_NUM); + qdev_init_gpio_out(dev, s->sense, SPITZ_KEY_SENSE_NUM); + + return 0; +} + +/* LCD backlight controller */ + +#define LCDTG_RESCTL 0x00 +#define LCDTG_PHACTRL 0x01 +#define LCDTG_DUTYCTRL 0x02 +#define LCDTG_POWERREG0 0x03 +#define LCDTG_POWERREG1 0x04 +#define LCDTG_GPOR3 0x05 +#define LCDTG_PICTRL 0x06 +#define LCDTG_POLCTRL 0x07 + +typedef struct { + SSISlave ssidev; + uint32_t bl_intensity; + uint32_t bl_power; +} SpitzLCDTG; + +static void spitz_bl_update(SpitzLCDTG *s) +{ + if (s->bl_power && s->bl_intensity) + zaurus_printf("LCD Backlight now at %i/63\n", s->bl_intensity); + else + zaurus_printf("LCD Backlight now off\n"); +} + +/* FIXME: Implement GPIO properly and remove this hack. */ +static SpitzLCDTG *spitz_lcdtg; + +static inline void spitz_bl_bit5(void *opaque, int line, int level) +{ + SpitzLCDTG *s = spitz_lcdtg; + int prev = s->bl_intensity; + + if (level) + s->bl_intensity &= ~0x20; + else + s->bl_intensity |= 0x20; + + if (s->bl_power && prev != s->bl_intensity) + spitz_bl_update(s); +} + +static inline void spitz_bl_power(void *opaque, int line, int level) +{ + SpitzLCDTG *s = spitz_lcdtg; + s->bl_power = !!level; + spitz_bl_update(s); +} + +static uint32_t spitz_lcdtg_transfer(SSISlave *dev, uint32_t value) +{ + SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev); + int addr; + addr = value >> 5; + value &= 0x1f; + + switch (addr) { + case LCDTG_RESCTL: + if (value) + zaurus_printf("LCD in QVGA mode\n"); + else + zaurus_printf("LCD in VGA mode\n"); + break; + + case LCDTG_DUTYCTRL: + s->bl_intensity &= ~0x1f; + s->bl_intensity |= value; + if (s->bl_power) + spitz_bl_update(s); + break; + + case LCDTG_POWERREG0: + /* Set common voltage to M62332FP */ + break; + } + return 0; +} + +static int spitz_lcdtg_init(SSISlave *dev) +{ + SpitzLCDTG *s = FROM_SSI_SLAVE(SpitzLCDTG, dev); + + spitz_lcdtg = s; + s->bl_power = 0; + s->bl_intensity = 0x20; + + return 0; +} + +/* SSP devices */ + +#define CORGI_SSP_PORT 2 + +#define SPITZ_GPIO_LCDCON_CS 53 +#define SPITZ_GPIO_ADS7846_CS 14 +#define SPITZ_GPIO_MAX1111_CS 20 +#define SPITZ_GPIO_TP_INT 11 + +static DeviceState *max1111; + +/* "Demux" the signal based on current chipselect */ +typedef struct { + SSISlave ssidev; + SSIBus *bus[3]; + uint32_t enable[3]; +} CorgiSSPState; + +static uint32_t corgi_ssp_transfer(SSISlave *dev, uint32_t value) +{ + CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, dev); + int i; + + for (i = 0; i < 3; i++) { + if (s->enable[i]) { + return ssi_transfer(s->bus[i], value); + } + } + return 0; +} + +static void corgi_ssp_gpio_cs(void *opaque, int line, int level) +{ + CorgiSSPState *s = (CorgiSSPState *)opaque; + assert(line >= 0 && line < 3); + s->enable[line] = !level; +} + +#define MAX1111_BATT_VOLT 1 +#define MAX1111_BATT_TEMP 2 +#define MAX1111_ACIN_VOLT 3 + +#define SPITZ_BATTERY_TEMP 0xe0 /* About 2.9V */ +#define SPITZ_BATTERY_VOLT 0xd0 /* About 4.0V */ +#define SPITZ_CHARGEON_ACIN 0x80 /* About 5.0V */ + +static void spitz_adc_temp_on(void *opaque, int line, int level) +{ + if (!max1111) + return; + + if (level) + max111x_set_input(max1111, MAX1111_BATT_TEMP, SPITZ_BATTERY_TEMP); + else + max111x_set_input(max1111, MAX1111_BATT_TEMP, 0); +} + +static int corgi_ssp_init(SSISlave *d) +{ + DeviceState *dev = DEVICE(d); + CorgiSSPState *s = FROM_SSI_SLAVE(CorgiSSPState, d); + + qdev_init_gpio_in(dev, corgi_ssp_gpio_cs, 3); + s->bus[0] = ssi_create_bus(dev, "ssi0"); + s->bus[1] = ssi_create_bus(dev, "ssi1"); + s->bus[2] = ssi_create_bus(dev, "ssi2"); + + return 0; +} + +static void spitz_ssp_attach(PXA2xxState *cpu) +{ + DeviceState *mux; + DeviceState *dev; + void *bus; + + mux = ssi_create_slave(cpu->ssp[CORGI_SSP_PORT - 1], "corgi-ssp"); + + bus = qdev_get_child_bus(mux, "ssi0"); + ssi_create_slave(bus, "spitz-lcdtg"); + + bus = qdev_get_child_bus(mux, "ssi1"); + dev = ssi_create_slave(bus, "ads7846"); + qdev_connect_gpio_out(dev, 0, + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_TP_INT)); + + bus = qdev_get_child_bus(mux, "ssi2"); + max1111 = ssi_create_slave(bus, "max1111"); + max111x_set_input(max1111, MAX1111_BATT_VOLT, SPITZ_BATTERY_VOLT); + max111x_set_input(max1111, MAX1111_BATT_TEMP, 0); + max111x_set_input(max1111, MAX1111_ACIN_VOLT, SPITZ_CHARGEON_ACIN); + + qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_LCDCON_CS, + qdev_get_gpio_in(mux, 0)); + qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_ADS7846_CS, + qdev_get_gpio_in(mux, 1)); + qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_MAX1111_CS, + qdev_get_gpio_in(mux, 2)); +} + +/* CF Microdrive */ + +static void spitz_microdrive_attach(PXA2xxState *cpu, int slot) +{ + PCMCIACardState *md; + DriveInfo *dinfo; + + dinfo = drive_get(IF_IDE, 0, 0); + if (!dinfo || dinfo->media_cd) + return; + md = dscm1xxxx_init(dinfo); + pxa2xx_pcmcia_attach(cpu->pcmcia[slot], md); +} + +/* Wm8750 and Max7310 on I2C */ + +#define AKITA_MAX_ADDR 0x18 +#define SPITZ_WM_ADDRL 0x1b +#define SPITZ_WM_ADDRH 0x1a + +#define SPITZ_GPIO_WM 5 + +static void spitz_wm8750_addr(void *opaque, int line, int level) +{ + I2CSlave *wm = (I2CSlave *) opaque; + if (level) + i2c_set_slave_address(wm, SPITZ_WM_ADDRH); + else + i2c_set_slave_address(wm, SPITZ_WM_ADDRL); +} + +static void spitz_i2c_setup(PXA2xxState *cpu) +{ + /* Attach the CPU on one end of our I2C bus. */ + I2CBus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); + + DeviceState *wm; + + /* Attach a WM8750 to the bus */ + wm = i2c_create_slave(bus, "wm8750", 0); + + spitz_wm8750_addr(wm, 0, 0); + qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_WM, + qemu_allocate_irq(spitz_wm8750_addr, wm, 0)); + /* .. and to the sound interface. */ + cpu->i2s->opaque = wm; + cpu->i2s->codec_out = wm8750_dac_dat; + cpu->i2s->codec_in = wm8750_adc_dat; + wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s); +} + +static void spitz_akita_i2c_setup(PXA2xxState *cpu) +{ + /* Attach a Max7310 to Akita I2C bus. */ + i2c_create_slave(pxa2xx_i2c_bus(cpu->i2c[0]), "max7310", + AKITA_MAX_ADDR); +} + +/* Other peripherals */ + +static void spitz_out_switch(void *opaque, int line, int level) +{ + switch (line) { + case 0: + zaurus_printf("Charging %s.\n", level ? "off" : "on"); + break; + case 1: + zaurus_printf("Discharging %s.\n", level ? "on" : "off"); + break; + case 2: + zaurus_printf("Green LED %s.\n", level ? "on" : "off"); + break; + case 3: + zaurus_printf("Orange LED %s.\n", level ? "on" : "off"); + break; + case 4: + spitz_bl_bit5(opaque, line, level); + break; + case 5: + spitz_bl_power(opaque, line, level); + break; + case 6: + spitz_adc_temp_on(opaque, line, level); + break; + } +} + +#define SPITZ_SCP_LED_GREEN 1 +#define SPITZ_SCP_JK_B 2 +#define SPITZ_SCP_CHRG_ON 3 +#define SPITZ_SCP_MUTE_L 4 +#define SPITZ_SCP_MUTE_R 5 +#define SPITZ_SCP_CF_POWER 6 +#define SPITZ_SCP_LED_ORANGE 7 +#define SPITZ_SCP_JK_A 8 +#define SPITZ_SCP_ADC_TEMP_ON 9 +#define SPITZ_SCP2_IR_ON 1 +#define SPITZ_SCP2_AKIN_PULLUP 2 +#define SPITZ_SCP2_BACKLIGHT_CONT 7 +#define SPITZ_SCP2_BACKLIGHT_ON 8 +#define SPITZ_SCP2_MIC_BIAS 9 + +static void spitz_scoop_gpio_setup(PXA2xxState *cpu, + DeviceState *scp0, DeviceState *scp1) +{ + qemu_irq *outsignals = qemu_allocate_irqs(spitz_out_switch, cpu, 8); + + qdev_connect_gpio_out(scp0, SPITZ_SCP_CHRG_ON, outsignals[0]); + qdev_connect_gpio_out(scp0, SPITZ_SCP_JK_B, outsignals[1]); + qdev_connect_gpio_out(scp0, SPITZ_SCP_LED_GREEN, outsignals[2]); + qdev_connect_gpio_out(scp0, SPITZ_SCP_LED_ORANGE, outsignals[3]); + + if (scp1) { + qdev_connect_gpio_out(scp1, SPITZ_SCP2_BACKLIGHT_CONT, outsignals[4]); + qdev_connect_gpio_out(scp1, SPITZ_SCP2_BACKLIGHT_ON, outsignals[5]); + } + + qdev_connect_gpio_out(scp0, SPITZ_SCP_ADC_TEMP_ON, outsignals[6]); +} + +#define SPITZ_GPIO_HSYNC 22 +#define SPITZ_GPIO_SD_DETECT 9 +#define SPITZ_GPIO_SD_WP 81 +#define SPITZ_GPIO_ON_RESET 89 +#define SPITZ_GPIO_BAT_COVER 90 +#define SPITZ_GPIO_CF1_IRQ 105 +#define SPITZ_GPIO_CF1_CD 94 +#define SPITZ_GPIO_CF2_IRQ 106 +#define SPITZ_GPIO_CF2_CD 93 + +static int spitz_hsync; + +static void spitz_lcd_hsync_handler(void *opaque, int line, int level) +{ + PXA2xxState *cpu = (PXA2xxState *) opaque; + qemu_set_irq(qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_HSYNC), spitz_hsync); + spitz_hsync ^= 1; +} + +static void spitz_gpio_setup(PXA2xxState *cpu, int slots) +{ + qemu_irq lcd_hsync; + /* + * Bad hack: We toggle the LCD hsync GPIO on every GPIO status + * read to satisfy broken guests that poll-wait for hsync. + * Simulating a real hsync event would be less practical and + * wouldn't guarantee that a guest ever exits the loop. + */ + spitz_hsync = 0; + lcd_hsync = qemu_allocate_irq(spitz_lcd_hsync_handler, cpu, 0); + pxa2xx_gpio_read_notifier(cpu->gpio, lcd_hsync); + pxa2xx_lcd_vsync_notifier(cpu->lcd, lcd_hsync); + + /* MMC/SD host */ + pxa2xx_mmci_handlers(cpu->mmc, + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_SD_WP), + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_SD_DETECT)); + + /* Battery lock always closed */ + qemu_irq_raise(qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_BAT_COVER)); + + /* Handle reset */ + qdev_connect_gpio_out(cpu->gpio, SPITZ_GPIO_ON_RESET, cpu->reset); + + /* PCMCIA signals: card's IRQ and Card-Detect */ + if (slots >= 1) + pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[0], + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF1_IRQ), + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF1_CD)); + if (slots >= 2) + pxa2xx_pcmcia_set_irq_cb(cpu->pcmcia[1], + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF2_IRQ), + qdev_get_gpio_in(cpu->gpio, SPITZ_GPIO_CF2_CD)); +} + +/* Board init. */ +enum spitz_model_e { spitz, akita, borzoi, terrier }; + +#define SPITZ_RAM 0x04000000 +#define SPITZ_ROM 0x00800000 + +static struct arm_boot_info spitz_binfo = { + .loader_start = PXA2XX_SDRAM_BASE, + .ram_size = 0x04000000, +}; + +static void spitz_common_init(MachineState *machine, + enum spitz_model_e model, int arm_id) +{ + PXA2xxState *mpu; + DeviceState *scp0, *scp1 = NULL; + MemoryRegion *address_space_mem = get_system_memory(); + MemoryRegion *rom = g_new(MemoryRegion, 1); + const char *cpu_model = machine->cpu_model; + + if (!cpu_model) + cpu_model = (model == terrier) ? "pxa270-c5" : "pxa270-c0"; + + /* Setup CPU & memory */ + mpu = pxa270_init(address_space_mem, spitz_binfo.ram_size, cpu_model); + + sl_flash_register(mpu, (model == spitz) ? FLASH_128M : FLASH_1024M); + + memory_region_init_ram(rom, NULL, "spitz.rom", SPITZ_ROM, &error_abort); + vmstate_register_ram_global(rom); + memory_region_set_readonly(rom, true); + memory_region_add_subregion(address_space_mem, 0, rom); + + /* Setup peripherals */ + spitz_keyboard_register(mpu); + + spitz_ssp_attach(mpu); + + scp0 = sysbus_create_simple("scoop", 0x10800000, NULL); + if (model != akita) { + scp1 = sysbus_create_simple("scoop", 0x08800040, NULL); + } + + spitz_scoop_gpio_setup(mpu, scp0, scp1); + + spitz_gpio_setup(mpu, (model == akita) ? 1 : 2); + + spitz_i2c_setup(mpu); + + if (model == akita) + spitz_akita_i2c_setup(mpu); + + if (model == terrier) + /* A 6.0 GB microdrive is permanently sitting in CF slot 1. */ + spitz_microdrive_attach(mpu, 1); + else if (model != akita) + /* A 4.0 GB microdrive is permanently sitting in CF slot 0. */ + spitz_microdrive_attach(mpu, 0); + + spitz_binfo.kernel_filename = machine->kernel_filename; + spitz_binfo.kernel_cmdline = machine->kernel_cmdline; + spitz_binfo.initrd_filename = machine->initrd_filename; + spitz_binfo.board_id = arm_id; + arm_load_kernel(mpu->cpu, &spitz_binfo); + sl_bootparam_write(SL_PXA_PARAM_BASE); +} + +static void spitz_init(MachineState *machine) +{ + spitz_common_init(machine, spitz, 0x2c9); +} + +static void borzoi_init(MachineState *machine) +{ + spitz_common_init(machine, borzoi, 0x33f); +} + +static void akita_init(MachineState *machine) +{ + spitz_common_init(machine, akita, 0x2e8); +} + +static void terrier_init(MachineState *machine) +{ + spitz_common_init(machine, terrier, 0x33f); +} + +static QEMUMachine akitapda_machine = { + .name = "akita", + .desc = "Akita PDA (PXA270)", + .init = akita_init, +}; + +static QEMUMachine spitzpda_machine = { + .name = "spitz", + .desc = "Spitz PDA (PXA270)", + .init = spitz_init, +}; + +static QEMUMachine borzoipda_machine = { + .name = "borzoi", + .desc = "Borzoi PDA (PXA270)", + .init = borzoi_init, +}; + +static QEMUMachine terrierpda_machine = { + .name = "terrier", + .desc = "Terrier PDA (PXA270)", + .init = terrier_init, +}; + +static void spitz_machine_init(void) +{ + qemu_register_machine(&akitapda_machine); + qemu_register_machine(&spitzpda_machine); + qemu_register_machine(&borzoipda_machine); + qemu_register_machine(&terrierpda_machine); +} + +machine_init(spitz_machine_init); + +static bool is_version_0(void *opaque, int version_id) +{ + return version_id == 0; +} + +static VMStateDescription vmstate_sl_nand_info = { + .name = "sl-nand", + .version_id = 0, + .minimum_version_id = 0, + .fields = (VMStateField[]) { + VMSTATE_UINT8(ctl, SLNANDState), + VMSTATE_STRUCT(ecc, SLNANDState, 0, vmstate_ecc_state, ECCState), + VMSTATE_END_OF_LIST(), + }, +}; + +static Property sl_nand_properties[] = { + DEFINE_PROP_UINT8("manf_id", SLNANDState, manf_id, NAND_MFR_SAMSUNG), + DEFINE_PROP_UINT8("chip_id", SLNANDState, chip_id, 0xf1), + DEFINE_PROP_END_OF_LIST(), +}; + +static void sl_nand_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); + + k->init = sl_nand_init; + dc->vmsd = &vmstate_sl_nand_info; + dc->props = sl_nand_properties; + /* Reason: init() method uses drive_get() */ + dc->cannot_instantiate_with_device_add_yet = true; +} + +static const TypeInfo sl_nand_info = { + .name = TYPE_SL_NAND, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SLNANDState), + .class_init = sl_nand_class_init, +}; + +static VMStateDescription vmstate_spitz_kbd = { + .name = "spitz-keyboard", + .version_id = 1, + .minimum_version_id = 0, + .post_load = spitz_keyboard_post_load, + .fields = (VMStateField[]) { + VMSTATE_UINT16(sense_state, SpitzKeyboardState), + VMSTATE_UINT16(strobe_state, SpitzKeyboardState), + VMSTATE_UNUSED_TEST(is_version_0, 5), + VMSTATE_END_OF_LIST(), + }, +}; + +static Property spitz_keyboard_properties[] = { + DEFINE_PROP_END_OF_LIST(), +}; + +static void spitz_keyboard_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass); + + k->init = spitz_keyboard_init; + dc->vmsd = &vmstate_spitz_kbd; + dc->props = spitz_keyboard_properties; +} + +static const TypeInfo spitz_keyboard_info = { + .name = TYPE_SPITZ_KEYBOARD, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(SpitzKeyboardState), + .class_init = spitz_keyboard_class_init, +}; + +static const VMStateDescription vmstate_corgi_ssp_regs = { + .name = "corgi-ssp", + .version_id = 2, + .minimum_version_id = 2, + .fields = (VMStateField[]) { + VMSTATE_SSI_SLAVE(ssidev, CorgiSSPState), + VMSTATE_UINT32_ARRAY(enable, CorgiSSPState, 3), + VMSTATE_END_OF_LIST(), + } +}; + +static void corgi_ssp_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SSISlaveClass *k = SSI_SLAVE_CLASS(klass); + + k->init = corgi_ssp_init; + k->transfer = corgi_ssp_transfer; + dc->vmsd = &vmstate_corgi_ssp_regs; +} + +static const TypeInfo corgi_ssp_info = { + .name = "corgi-ssp", + .parent = TYPE_SSI_SLAVE, + .instance_size = sizeof(CorgiSSPState), + .class_init = corgi_ssp_class_init, +}; + +static const VMStateDescription vmstate_spitz_lcdtg_regs = { + .name = "spitz-lcdtg", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_SSI_SLAVE(ssidev, SpitzLCDTG), + VMSTATE_UINT32(bl_intensity, SpitzLCDTG), + VMSTATE_UINT32(bl_power, SpitzLCDTG), + VMSTATE_END_OF_LIST(), + } +}; + +static void spitz_lcdtg_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + SSISlaveClass *k = SSI_SLAVE_CLASS(klass); + + k->init = spitz_lcdtg_init; + k->transfer = spitz_lcdtg_transfer; + dc->vmsd = &vmstate_spitz_lcdtg_regs; +} + +static const TypeInfo spitz_lcdtg_info = { + .name = "spitz-lcdtg", + .parent = TYPE_SSI_SLAVE, + .instance_size = sizeof(SpitzLCDTG), + .class_init = spitz_lcdtg_class_init, +}; + +static void spitz_register_types(void) +{ + type_register_static(&corgi_ssp_info); + type_register_static(&spitz_lcdtg_info); + type_register_static(&spitz_keyboard_info); + type_register_static(&sl_nand_info); +} + +type_init(spitz_register_types)