[qemu.git] / hw / pxa2xx_keypad.c

/*
 * Intel PXA27X Keypad Controller emulation.
 *
 * Copyright (c) 2007 MontaVista Software, Inc
 * Written by Armin Kuster <[email protected]>
 *              or  <[email protected]>
 *
 * This code is licensed under the GPLv2.
 */

#include "hw.h"
#include "pxa.h"
#include "console.h"

/*
 * Keypad
 */
#define KPC         0x00    /* Keypad Interface Control register */
#define KPDK        0x08    /* Keypad Interface Direct Key register */
#define KPREC       0x10    /* Keypad Interface Rotary Encoder register */
#define KPMK        0x18    /* Keypad Interface Matrix Key register */
#define KPAS        0x20    /* Keypad Interface Automatic Scan register */
#define KPASMKP0    0x28    /* Keypad Interface Automatic Scan Multiple
                                Key Presser register 0 */
#define KPASMKP1    0x30    /* Keypad Interface Automatic Scan Multiple
                                Key Presser register 1 */
#define KPASMKP2    0x38    /* Keypad Interface Automatic Scan Multiple
                                Key Presser register 2 */
#define KPASMKP3    0x40    /* Keypad Interface Automatic Scan Multiple
                                Key Presser register 3 */
#define KPKDI       0x48    /* Keypad Interface Key Debounce Interval
                                register */

/* Keypad defines */
#define KPC_AS          (0x1 << 30)  /* Automatic Scan bit */
#define KPC_ASACT       (0x1 << 29)  /* Automatic Scan on Activity */
#define KPC_MI          (0x1 << 22)  /* Matrix interrupt bit */
#define KPC_IMKP        (0x1 << 21)  /* Ignore Multiple Key Press */
#define KPC_MS7         (0x1 << 20)  /* Matrix scan line 7 */
#define KPC_MS6         (0x1 << 19)  /* Matrix scan line 6 */
#define KPC_MS5         (0x1 << 18)  /* Matrix scan line 5 */
#define KPC_MS4         (0x1 << 17)  /* Matrix scan line 4 */
#define KPC_MS3         (0x1 << 16)  /* Matrix scan line 3 */
#define KPC_MS2         (0x1 << 15)  /* Matrix scan line 2 */
#define KPC_MS1         (0x1 << 14)  /* Matrix scan line 1 */
#define KPC_MS0         (0x1 << 13)  /* Matrix scan line 0 */
#define KPC_ME          (0x1 << 12)  /* Matrix Keypad Enable */
#define KPC_MIE         (0x1 << 11)  /* Matrix Interrupt Enable */
#define KPC_DK_DEB_SEL  (0x1 <<  9)  /* Direct Keypad Debounce Select */
#define KPC_DI          (0x1 <<  5)  /* Direct key interrupt bit */
#define KPC_RE_ZERO_DEB (0x1 <<  4)  /* Rotary Encoder Zero Debounce */
#define KPC_REE1        (0x1 <<  3)  /* Rotary Encoder1 Enable */
#define KPC_REE0        (0x1 <<  2)  /* Rotary Encoder0 Enable */
#define KPC_DE          (0x1 <<  1)  /* Direct Keypad Enable */
#define KPC_DIE         (0x1 <<  0)  /* Direct Keypad interrupt Enable */

#define KPDK_DKP        (0x1 << 31)
#define KPDK_DK7        (0x1 <<  7)
#define KPDK_DK6        (0x1 <<  6)
#define KPDK_DK5        (0x1 <<  5)
#define KPDK_DK4        (0x1 <<  4)
#define KPDK_DK3        (0x1 <<  3)
#define KPDK_DK2        (0x1 <<  2)
#define KPDK_DK1        (0x1 <<  1)
#define KPDK_DK0        (0x1 <<  0)

#define KPREC_OF1       (0x1 << 31)
#define KPREC_UF1       (0x1 << 30)
#define KPREC_OF0       (0x1 << 15)
#define KPREC_UF0       (0x1 << 14)

#define KPMK_MKP        (0x1 << 31)
#define KPAS_SO         (0x1 << 31)
#define KPASMKPx_SO     (0x1 << 31)


#define KPASMKPx_MKC(row, col)  (1 << (row + 16 * (col % 2)))

#define PXAKBD_MAXROW   8
#define PXAKBD_MAXCOL   8

struct PXA2xxKeyPadState {
    qemu_irq    irq;
    struct  keymap *map;
    int         pressed_cnt;
    int         alt_code;

    uint32_t    kpc;
    uint32_t    kpdk;
    uint32_t    kprec;
    uint32_t    kpmk;
    uint32_t    kpas;
    uint32_t    kpasmkp[4];
    uint32_t    kpkdi;
};

static void pxa27x_keypad_find_pressed_key(PXA2xxKeyPadState *kp, int *row, int *col)
{
    int i;
    for (i = 0; i < 4; i++)
    {
        *col = i * 2;
        for (*row = 0; *row < 8; (*row)++) {
            if (kp->kpasmkp[i] & (1 << *row))
                return;
        }
        *col = i * 2 + 1;
        for (*row = 0; *row < 8; (*row)++) {
            if (kp->kpasmkp[i] & (1 << (*row + 16)))
                return;
        }
    }
}

static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode)
{
    int row, col, rel, assert_irq = 0;
    uint32_t val;

    if (keycode == 0xe0) {
        kp->alt_code = 1;
        return;
    }

    if(!(kp->kpc & KPC_ME)) /* skip if not enabled */
        return;

    if(kp->kpc & KPC_AS || kp->kpc & KPC_ASACT) {
        if(kp->kpc & KPC_AS)
            kp->kpc &= ~(KPC_AS);

        rel = (keycode & 0x80) ? 1 : 0; /* key release from qemu */
        keycode &= ~(0x80); /* strip qemu key release bit */
        if (kp->alt_code) {
            keycode |= 0x80;
            kp->alt_code = 0;
        }

        row = kp->map[keycode].row;
        col = kp->map[keycode].column;
        if(row == -1 || col == -1)
            return;

        val = KPASMKPx_MKC(row, col);
        if (rel) {
            if (kp->kpasmkp[col / 2] & val) {
                kp->kpasmkp[col / 2] &= ~val;
                kp->pressed_cnt--;
                assert_irq = 1;
            }
        } else {
            if (!(kp->kpasmkp[col / 2] & val)) {
                kp->kpasmkp[col / 2] |= val;
                kp->pressed_cnt++;
                assert_irq = 1;
            }
        }
        kp->kpas = ((kp->pressed_cnt & 0x1f) << 26) | (0xf << 4) | 0xf;
        if (kp->pressed_cnt == 1) {
            kp->kpas &= ~((0xf << 4) | 0xf);
            if (rel)
                pxa27x_keypad_find_pressed_key(kp, &row, &col);
            kp->kpas |= ((row & 0xf) << 4) | (col & 0xf);
        }
        goto out;
    }
    return;

out:
    if (assert_irq && (kp->kpc & KPC_MIE)) {
        kp->kpc |= KPC_MI;
        qemu_irq_raise(kp->irq);
    }
    return;
}

static uint32_t pxa2xx_keypad_read(void *opaque, target_phys_addr_t offset)
{
    PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque;
    uint32_t tmp;

    switch (offset) {
    case KPC:
        tmp = s->kpc;
        if(tmp & KPC_MI)
            s->kpc &= ~(KPC_MI);
        if(tmp & KPC_DI)
            s->kpc &= ~(KPC_DI);
        qemu_irq_lower(s->irq);
        return tmp;
        break;
    case KPDK:
        return s->kpdk;
        break;
    case KPREC:
        tmp = s->kprec;
        if(tmp & KPREC_OF1)
            s->kprec &= ~(KPREC_OF1);
        if(tmp & KPREC_UF1)
            s->kprec &= ~(KPREC_UF1);
        if(tmp & KPREC_OF0)
            s->kprec &= ~(KPREC_OF0);
        if(tmp & KPREC_UF0)
            s->kprec &= ~(KPREC_UF0);
        return tmp;
        break;
    case KPMK:
        tmp = s->kpmk;
        if(tmp & KPMK_MKP)
            s->kpmk &= ~(KPMK_MKP);
        return tmp;
        break;
    case KPAS:
        return s->kpas;
        break;
    case KPASMKP0:
        return s->kpasmkp[0];
        break;
    case KPASMKP1:
        return s->kpasmkp[1];
        break;
    case KPASMKP2:
        return s->kpasmkp[2];
        break;
    case KPASMKP3:
        return s->kpasmkp[3];
        break;
    case KPKDI:
        return s->kpkdi;
        break;
    default:
        hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
    }

    return 0;
}

static void pxa2xx_keypad_write(void *opaque,
                target_phys_addr_t offset, uint32_t value)
{
    PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque;

    switch (offset) {
    case KPC:
        s->kpc = value;
        break;
    case KPDK:
        s->kpdk = value;
        break;
    case KPREC:
        s->kprec = value;
        break;
    case KPMK:
        s->kpmk = value;
        break;
    case KPAS:
        s->kpas = value;
        break;
    case KPASMKP0:
        s->kpasmkp[0] = value;
        break;
    case KPASMKP1:
        s->kpasmkp[1] = value;
        break;
    case KPASMKP2:
        s->kpasmkp[2] = value;
        break;
    case KPASMKP3:
        s->kpasmkp[3] = value;
        break;
    case KPKDI:
        s->kpkdi = value;
        break;

    default:
        hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
    }
}

static CPUReadMemoryFunc * const pxa2xx_keypad_readfn[] = {
    pxa2xx_keypad_read,
    pxa2xx_keypad_read,
    pxa2xx_keypad_read
};

static CPUWriteMemoryFunc * const pxa2xx_keypad_writefn[] = {
    pxa2xx_keypad_write,
    pxa2xx_keypad_write,
    pxa2xx_keypad_write
};

static const VMStateDescription vmstate_pxa2xx_keypad = {
    .name = "pxa2xx_keypad",
    .version_id = 0,
    .minimum_version_id = 0,
    .minimum_version_id_old = 0,
    .fields      = (VMStateField[]) {
        VMSTATE_UINT32(kpc, PXA2xxKeyPadState),
        VMSTATE_UINT32(kpdk, PXA2xxKeyPadState),
        VMSTATE_UINT32(kprec, PXA2xxKeyPadState),
        VMSTATE_UINT32(kpmk, PXA2xxKeyPadState),
        VMSTATE_UINT32(kpas, PXA2xxKeyPadState),
        VMSTATE_UINT32_ARRAY(kpasmkp, PXA2xxKeyPadState, 4),
        VMSTATE_UINT32(kpkdi, PXA2xxKeyPadState),
        VMSTATE_END_OF_LIST()
    }
};

PXA2xxKeyPadState *pxa27x_keypad_init(target_phys_addr_t base,
        qemu_irq irq)
{
    int iomemtype;
    PXA2xxKeyPadState *s;

    s = (PXA2xxKeyPadState *) g_malloc0(sizeof(PXA2xxKeyPadState));
    s->irq = irq;

    iomemtype = cpu_register_io_memory(pxa2xx_keypad_readfn,
                    pxa2xx_keypad_writefn, s, DEVICE_NATIVE_ENDIAN);
    cpu_register_physical_memory(base, 0x00100000, iomemtype);

    vmstate_register(NULL, 0, &vmstate_pxa2xx_keypad, s);

    return s;
}

void pxa27x_register_keypad(PXA2xxKeyPadState *kp, struct keymap *map,
        int size)
{
    if(!map || size < 0x80) {
        fprintf(stderr, "%s - No PXA keypad map defined\n", __FUNCTION__);
        exit(-1);
    }

    kp->map = map;
    qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp);
}
Commit	Line	Data
31b87f2e AZ	1	/*
	2	* Intel PXA27X Keypad Controller emulation.
	3	*
	4	* Copyright (c) 2007 MontaVista Software, Inc
	5	* Written by Armin Kuster <[email protected]>
	6	* or <[email protected]>
	7	*
	8	* This code is licensed under the GPLv2.
	9	*/
	10
	11	#include "hw.h"
	12	#include "pxa.h"
	13	#include "console.h"
	14
	15	/*
	16	* Keypad
	17	*/
	18	#define KPC 0x00 /* Keypad Interface Control register */
	19	#define KPDK 0x08 /* Keypad Interface Direct Key register */
	20	#define KPREC 0x10 /* Keypad Interface Rotary Encoder register */
	21	#define KPMK 0x18 /* Keypad Interface Matrix Key register */
	22	#define KPAS 0x20 /* Keypad Interface Automatic Scan register */
	23	#define KPASMKP0 0x28 /* Keypad Interface Automatic Scan Multiple
	24	Key Presser register 0 */
	25	#define KPASMKP1 0x30 /* Keypad Interface Automatic Scan Multiple
	26	Key Presser register 1 */
	27	#define KPASMKP2 0x38 /* Keypad Interface Automatic Scan Multiple
	28	Key Presser register 2 */
	29	#define KPASMKP3 0x40 /* Keypad Interface Automatic Scan Multiple
	30	Key Presser register 3 */
	31	#define KPKDI 0x48 /* Keypad Interface Key Debounce Interval
	32	register */
	33
	34	/* Keypad defines */
	35	#define KPC_AS (0x1 << 30) /* Automatic Scan bit */
	36	#define KPC_ASACT (0x1 << 29) /* Automatic Scan on Activity */
	37	#define KPC_MI (0x1 << 22) /* Matrix interrupt bit */
	38	#define KPC_IMKP (0x1 << 21) /* Ignore Multiple Key Press */
	39	#define KPC_MS7 (0x1 << 20) /* Matrix scan line 7 */
	40	#define KPC_MS6 (0x1 << 19) /* Matrix scan line 6 */
	41	#define KPC_MS5 (0x1 << 18) /* Matrix scan line 5 */
	42	#define KPC_MS4 (0x1 << 17) /* Matrix scan line 4 */
	43	#define KPC_MS3 (0x1 << 16) /* Matrix scan line 3 */
	44	#define KPC_MS2 (0x1 << 15) /* Matrix scan line 2 */
	45	#define KPC_MS1 (0x1 << 14) /* Matrix scan line 1 */
	46	#define KPC_MS0 (0x1 << 13) /* Matrix scan line 0 */
	47	#define KPC_ME (0x1 << 12) /* Matrix Keypad Enable */
	48	#define KPC_MIE (0x1 << 11) /* Matrix Interrupt Enable */
	49	#define KPC_DK_DEB_SEL (0x1 << 9) /* Direct Keypad Debounce Select */
	50	#define KPC_DI (0x1 << 5) /* Direct key interrupt bit */
	51	#define KPC_RE_ZERO_DEB (0x1 << 4) /* Rotary Encoder Zero Debounce */
	52	#define KPC_REE1 (0x1 << 3) /* Rotary Encoder1 Enable */
	53	#define KPC_REE0 (0x1 << 2) /* Rotary Encoder0 Enable */
	54	#define KPC_DE (0x1 << 1) /* Direct Keypad Enable */
	55	#define KPC_DIE (0x1 << 0) /* Direct Keypad interrupt Enable */
	56
	57	#define KPDK_DKP (0x1 << 31)
	58	#define KPDK_DK7 (0x1 << 7)
	59	#define KPDK_DK6 (0x1 << 6)
	60	#define KPDK_DK5 (0x1 << 5)
	61	#define KPDK_DK4 (0x1 << 4)
	62	#define KPDK_DK3 (0x1 << 3)
	63	#define KPDK_DK2 (0x1 << 2)
	64	#define KPDK_DK1 (0x1 << 1)
65	#define KPDK_DK0 (0x1 << 0)
66
67	#define KPREC_OF1 (0x1 << 31)
68	#define KPREC_UF1 (0x1 << 30)
69	#define KPREC_OF0 (0x1 << 15)
70	#define KPREC_UF0 (0x1 << 14)
71
72	#define KPMK_MKP (0x1 << 31)
73	#define KPAS_SO (0x1 << 31)
74	#define KPASMKPx_SO (0x1 << 31)
75
76
77	#define KPASMKPx_MKC(row, col) (1 << (row + 16 * (col % 2)))
78
79	#define PXAKBD_MAXROW 8
80	#define PXAKBD_MAXCOL 8
81
bc24a225	82	struct PXA2xxKeyPadState {
31b87f2e AZ	83	qemu_irq irq;
31b87f2e AZ	84	struct keymap *map;
b976b4c0	85	int pressed_cnt;
582798b5	86	int alt_code;
31b87f2e AZ	87
	88	uint32_t kpc;
	89	uint32_t kpdk;
	90	uint32_t kprec;
	91	uint32_t kpmk;
	92	uint32_t kpas;
b976b4c0	93	uint32_t kpasmkp[4];
31b87f2e AZ	94	uint32_t kpkdi;
	95	};
	96
b976b4c0 VK	97	static void pxa27x_keypad_find_pressed_key(PXA2xxKeyPadState kp, int row, int *col)
	98	{
	99	int i;
	100	for (i = 0; i < 4; i++)
	101	{
	102	col = i 2;
	103	for (row = 0; row < 8; (*row)++) {
	104	if (kp->kpasmkp[i] & (1 << *row))
	105	return;
	106	}
	107	col = i 2 + 1;
	108	for (row = 0; row < 8; (*row)++) {
	109	if (kp->kpasmkp[i] & (1 << (*row + 16)))
	110	return;
	111	}
	112	}
	113	}
	114
bc24a225	115	static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode)
31b87f2e	116	{
b976b4c0 VK	117	int row, col, rel, assert_irq = 0;
b976b4c0 VK	118	uint32_t val;
31b87f2e	119
582798b5 VK	120	if (keycode == 0xe0) {
	121	kp->alt_code = 1;
	122	return;
	123	}
	124
31b87f2e AZ	125	if(!(kp->kpc & KPC_ME)) /* skip if not enabled */
	126	return;
	127
	128	if(kp->kpc & KPC_AS \|\| kp->kpc & KPC_ASACT) {
	129	if(kp->kpc & KPC_AS)
	130	kp->kpc &= ~(KPC_AS);
	131
	132	rel = (keycode & 0x80) ? 1 : 0; /* key release from qemu */
	133	keycode &= ~(0x80); /* strip qemu key release bit */
582798b5 VK	134	if (kp->alt_code) {
	135	keycode \|= 0x80;
	136	kp->alt_code = 0;
	137	}
b976b4c0	138
31b87f2e AZ	139	row = kp->map[keycode].row;
	140	col = kp->map[keycode].column;
	141	if(row == -1 \|\| col == -1)
	142	return;
b976b4c0 VK	143
	144	val = KPASMKPx_MKC(row, col);
	145	if (rel) {
	146	if (kp->kpasmkp[col / 2] & val) {
	147	kp->kpasmkp[col / 2] &= ~val;
	148	kp->pressed_cnt--;
	149	assert_irq = 1;
	150	}
	151	} else {
	152	if (!(kp->kpasmkp[col / 2] & val)) {
	153	kp->kpasmkp[col / 2] \|= val;
	154	kp->pressed_cnt++;
	155	assert_irq = 1;
	156	}
	157	}
	158	kp->kpas = ((kp->pressed_cnt & 0x1f) << 26) \| (0xf << 4) \| 0xf;
	159	if (kp->pressed_cnt == 1) {
	160	kp->kpas &= ~((0xf << 4) \| 0xf);
	161	if (rel)
	162	pxa27x_keypad_find_pressed_key(kp, &row, &col);
	163	kp->kpas \|= ((row & 0xf) << 4) \| (col & 0xf);
	164	}
31b87f2e AZ	165	goto out;
	166	}
	167	return;
	168
	169	out:
b976b4c0	170	if (assert_irq && (kp->kpc & KPC_MIE)) {
31b87f2e AZ	171	kp->kpc \|= KPC_MI;
	172	qemu_irq_raise(kp->irq);
	173	}
	174	return;
	175	}
	176
c227f099	177	static uint32_t pxa2xx_keypad_read(void *opaque, target_phys_addr_t offset)
31b87f2e	178	{
bc24a225	179	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e	180	uint32_t tmp;
31b87f2e AZ	181
	182	switch (offset) {
	183	case KPC:
	184	tmp = s->kpc;
	185	if(tmp & KPC_MI)
	186	s->kpc &= ~(KPC_MI);
	187	if(tmp & KPC_DI)
	188	s->kpc &= ~(KPC_DI);
	189	qemu_irq_lower(s->irq);
	190	return tmp;
	191	break;
	192	case KPDK:
	193	return s->kpdk;
	194	break;
	195	case KPREC:
	196	tmp = s->kprec;
	197	if(tmp & KPREC_OF1)
	198	s->kprec &= ~(KPREC_OF1);
	199	if(tmp & KPREC_UF1)
	200	s->kprec &= ~(KPREC_UF1);
	201	if(tmp & KPREC_OF0)
	202	s->kprec &= ~(KPREC_OF0);
	203	if(tmp & KPREC_UF0)
	204	s->kprec &= ~(KPREC_UF0);
	205	return tmp;
	206	break;
	207	case KPMK:
	208	tmp = s->kpmk;
	209	if(tmp & KPMK_MKP)
	210	s->kpmk &= ~(KPMK_MKP);
	211	return tmp;
	212	break;
	213	case KPAS:
	214	return s->kpas;
	215	break;
	216	case KPASMKP0:
b976b4c0	217	return s->kpasmkp[0];
31b87f2e AZ	218	break;
31b87f2e AZ	219	case KPASMKP1:
b976b4c0	220	return s->kpasmkp[1];
31b87f2e AZ	221	break;
31b87f2e AZ	222	case KPASMKP2:
b976b4c0	223	return s->kpasmkp[2];
31b87f2e AZ	224	break;
31b87f2e AZ	225	case KPASMKP3:
b976b4c0	226	return s->kpasmkp[3];
31b87f2e AZ	227	break;
	228	case KPKDI:
	229	return s->kpkdi;
	230	break;
	231	default:
2ac71179	232	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	233	}
	234
	235	return 0;
	236	}
	237
	238	static void pxa2xx_keypad_write(void *opaque,
c227f099	239	target_phys_addr_t offset, uint32_t value)
31b87f2e	240	{
bc24a225	241	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e AZ	242
	243	switch (offset) {
	244	case KPC:
	245	s->kpc = value;
	246	break;
	247	case KPDK:
	248	s->kpdk = value;
	249	break;
	250	case KPREC:
	251	s->kprec = value;
	252	break;
	253	case KPMK:
	254	s->kpmk = value;
	255	break;
	256	case KPAS:
	257	s->kpas = value;
	258	break;
	259	case KPASMKP0:
b976b4c0	260	s->kpasmkp[0] = value;
31b87f2e AZ	261	break;
31b87f2e AZ	262	case KPASMKP1:
b976b4c0	263	s->kpasmkp[1] = value;
31b87f2e AZ	264	break;
31b87f2e AZ	265	case KPASMKP2:
b976b4c0	266	s->kpasmkp[2] = value;
31b87f2e AZ	267	break;
31b87f2e AZ	268	case KPASMKP3:
b976b4c0	269	s->kpasmkp[3] = value;
31b87f2e AZ	270	break;
	271	case KPKDI:
	272	s->kpkdi = value;
	273	break;
	274
	275	default:
2ac71179	276	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	277	}
	278	}
	279
d60efc6b	280	static CPUReadMemoryFunc * const pxa2xx_keypad_readfn[] = {
31b87f2e AZ	281	pxa2xx_keypad_read,
	282	pxa2xx_keypad_read,
	283	pxa2xx_keypad_read
	284	};
	285
d60efc6b	286	static CPUWriteMemoryFunc * const pxa2xx_keypad_writefn[] = {
31b87f2e AZ	287	pxa2xx_keypad_write,
	288	pxa2xx_keypad_write,
	289	pxa2xx_keypad_write
	290	};
	291
25f5a1b7 JQ	292	static const VMStateDescription vmstate_pxa2xx_keypad = {
	293	.name = "pxa2xx_keypad",
	294	.version_id = 0,
	295	.minimum_version_id = 0,
	296	.minimum_version_id_old = 0,
	297	.fields = (VMStateField[]) {
	298	VMSTATE_UINT32(kpc, PXA2xxKeyPadState),
	299	VMSTATE_UINT32(kpdk, PXA2xxKeyPadState),
	300	VMSTATE_UINT32(kprec, PXA2xxKeyPadState),
	301	VMSTATE_UINT32(kpmk, PXA2xxKeyPadState),
	302	VMSTATE_UINT32(kpas, PXA2xxKeyPadState),
	303	VMSTATE_UINT32_ARRAY(kpasmkp, PXA2xxKeyPadState, 4),
	304	VMSTATE_UINT32(kpkdi, PXA2xxKeyPadState),
	305	VMSTATE_END_OF_LIST()
	306	}
	307	};
31b87f2e	308
c227f099	309	PXA2xxKeyPadState *pxa27x_keypad_init(target_phys_addr_t base,
31b87f2e AZ	310	qemu_irq irq)
	311	{
	312	int iomemtype;
bc24a225	313	PXA2xxKeyPadState *s;
31b87f2e	314
7267c094	315	s = (PXA2xxKeyPadState *) g_malloc0(sizeof(PXA2xxKeyPadState));
31b87f2e AZ	316	s->irq = irq;
31b87f2e AZ	317
1eed09cb	318	iomemtype = cpu_register_io_memory(pxa2xx_keypad_readfn,
2507c12a	319	pxa2xx_keypad_writefn, s, DEVICE_NATIVE_ENDIAN);
bd464c2e	320	cpu_register_physical_memory(base, 0x00100000, iomemtype);
31b87f2e	321
25f5a1b7	322	vmstate_register(NULL, 0, &vmstate_pxa2xx_keypad, s);
31b87f2e AZ	323
	324	return s;
	325	}
	326
bc24a225	327	void pxa27x_register_keypad(PXA2xxKeyPadState kp, struct keymap map,
31b87f2e AZ	328	int size)
31b87f2e AZ	329	{
bd464c2e	330	if(!map \|\| size < 0x80) {
31b87f2e AZ	331	fprintf(stderr, "%s - No PXA keypad map defined\n", __FUNCTION__);
	332	exit(-1);
	333	}
	334
	335	kp->map = map;
	336	qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp);
	337	}