[qemu.git] / hw / input / pxa2xx_keypad.c

/*
 * Intel PXA27X Keypad Controller emulation.
 *
 * Copyright (c) 2007 MontaVista Software, Inc
 * Written by Armin Kuster <akuster@kama-aina.net>
 *              or  <Akuster@mvista.com>
 *
 * This code is licensed under the GPLv2.
 *
 * 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 "ui/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 {
    MemoryRegion iomem;
    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;

    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);
    }

    if (!(kp->kpc & (KPC_AS | KPC_ASACT)))
        assert_irq = 0;

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

static uint64_t pxa2xx_keypad_read(void *opaque, hwaddr offset,
                                   unsigned size)
{
    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, hwaddr offset,
                                uint64_t value, unsigned size)
{
    PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque;

    switch (offset) {
    case KPC:
        s->kpc = value;
        if (s->kpc & KPC_AS) {
            s->kpc &= ~(KPC_AS);
        }
        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 const MemoryRegionOps pxa2xx_keypad_ops = {
    .read = pxa2xx_keypad_read,
    .write = pxa2xx_keypad_write,
    .endianness = DEVICE_NATIVE_ENDIAN,
};

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(MemoryRegion *sysmem,
                                      hwaddr base,
                                      qemu_irq irq)
{
    PXA2xxKeyPadState *s;

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

    memory_region_init_io(&s->iomem, NULL, &pxa2xx_keypad_ops, s,
                          "pxa2xx-keypad", 0x00100000);
    memory_region_add_subregion(sysmem, base, &s->iomem);

    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 <akuster@kama-aina.net>
	6	* or <Akuster@mvista.com>
	7	*
	8	* This code is licensed under the GPLv2.
6b620ca3 PB	9	*
	10	* Contributions after 2012-01-13 are licensed under the terms of the
	11	* GNU GPL, version 2 or (at your option) any later version.
31b87f2e AZ	12	*/
31b87f2e AZ	13
83c9f4ca	14	#include "hw/hw.h"
0d09e41a	15	#include "hw/arm/pxa.h"
28ecbaee	16	#include "ui/console.h"
31b87f2e AZ	17
	18	/*
	19	* Keypad
	20	*/
	21	#define KPC 0x00 /* Keypad Interface Control register */
	22	#define KPDK 0x08 /* Keypad Interface Direct Key register */
	23	#define KPREC 0x10 /* Keypad Interface Rotary Encoder register */
	24	#define KPMK 0x18 /* Keypad Interface Matrix Key register */
	25	#define KPAS 0x20 /* Keypad Interface Automatic Scan register */
	26	#define KPASMKP0 0x28 /* Keypad Interface Automatic Scan Multiple
	27	Key Presser register 0 */
	28	#define KPASMKP1 0x30 /* Keypad Interface Automatic Scan Multiple
	29	Key Presser register 1 */
	30	#define KPASMKP2 0x38 /* Keypad Interface Automatic Scan Multiple
	31	Key Presser register 2 */
	32	#define KPASMKP3 0x40 /* Keypad Interface Automatic Scan Multiple
	33	Key Presser register 3 */
	34	#define KPKDI 0x48 /* Keypad Interface Key Debounce Interval
	35	register */
	36
	37	/* Keypad defines */
	38	#define KPC_AS (0x1 << 30) /* Automatic Scan bit */
	39	#define KPC_ASACT (0x1 << 29) /* Automatic Scan on Activity */
	40	#define KPC_MI (0x1 << 22) /* Matrix interrupt bit */
	41	#define KPC_IMKP (0x1 << 21) /* Ignore Multiple Key Press */
	42	#define KPC_MS7 (0x1 << 20) /* Matrix scan line 7 */
	43	#define KPC_MS6 (0x1 << 19) /* Matrix scan line 6 */
	44	#define KPC_MS5 (0x1 << 18) /* Matrix scan line 5 */
	45	#define KPC_MS4 (0x1 << 17) /* Matrix scan line 4 */
	46	#define KPC_MS3 (0x1 << 16) /* Matrix scan line 3 */
	47	#define KPC_MS2 (0x1 << 15) /* Matrix scan line 2 */
	48	#define KPC_MS1 (0x1 << 14) /* Matrix scan line 1 */
	49	#define KPC_MS0 (0x1 << 13) /* Matrix scan line 0 */
	50	#define KPC_ME (0x1 << 12) /* Matrix Keypad Enable */
	51	#define KPC_MIE (0x1 << 11) /* Matrix Interrupt Enable */
	52	#define KPC_DK_DEB_SEL (0x1 << 9) /* Direct Keypad Debounce Select */
	53	#define KPC_DI (0x1 << 5) /* Direct key interrupt bit */
	54	#define KPC_RE_ZERO_DEB (0x1 << 4) /* Rotary Encoder Zero Debounce */
	55	#define KPC_REE1 (0x1 << 3) /* Rotary Encoder1 Enable */
	56	#define KPC_REE0 (0x1 << 2) /* Rotary Encoder0 Enable */
	57	#define KPC_DE (0x1 << 1) /* Direct Keypad Enable */
	58	#define KPC_DIE (0x1 << 0) /* Direct Keypad interrupt Enable */
	59
	60	#define KPDK_DKP (0x1 << 31)
	61	#define KPDK_DK7 (0x1 << 7)
	62	#define KPDK_DK6 (0x1 << 6)
	63	#define KPDK_DK5 (0x1 << 5)
	64	#define KPDK_DK4 (0x1 << 4)
	65	#define KPDK_DK3 (0x1 << 3)
	66	#define KPDK_DK2 (0x1 << 2)
	67	#define KPDK_DK1 (0x1 << 1)
	68	#define KPDK_DK0 (0x1 << 0)
	69
	70	#define KPREC_OF1 (0x1 << 31)
	71	#define KPREC_UF1 (0x1 << 30)
	72	#define KPREC_OF0 (0x1 << 15)
	73	#define KPREC_UF0 (0x1 << 14)
	74
	75	#define KPMK_MKP (0x1 << 31)
	76	#define KPAS_SO (0x1 << 31)
	77	#define KPASMKPx_SO (0x1 << 31)
	78
	79
	80	#define KPASMKPx_MKC(row, col) (1 << (row + 16 * (col % 2)))
81
82	#define PXAKBD_MAXROW 8
83	#define PXAKBD_MAXCOL 8
84
bc24a225	85	struct PXA2xxKeyPadState {
6cd816b8	86	MemoryRegion iomem;
31b87f2e AZ	87	qemu_irq irq;
31b87f2e AZ	88	struct keymap *map;
b976b4c0	89	int pressed_cnt;
582798b5	90	int alt_code;
31b87f2e AZ	91
	92	uint32_t kpc;
	93	uint32_t kpdk;
	94	uint32_t kprec;
	95	uint32_t kpmk;
	96	uint32_t kpas;
b976b4c0	97	uint32_t kpasmkp[4];
31b87f2e AZ	98	uint32_t kpkdi;
	99	};
	100
b976b4c0 VK	101	static void pxa27x_keypad_find_pressed_key(PXA2xxKeyPadState kp, int row, int *col)
	102	{
	103	int i;
	104	for (i = 0; i < 4; i++)
	105	{
	106	col = i 2;
	107	for (row = 0; row < 8; (*row)++) {
	108	if (kp->kpasmkp[i] & (1 << *row))
	109	return;
	110	}
	111	col = i 2 + 1;
	112	for (row = 0; row < 8; (*row)++) {
	113	if (kp->kpasmkp[i] & (1 << (*row + 16)))
	114	return;
	115	}
	116	}
	117	}
	118
bc24a225	119	static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode)
31b87f2e	120	{
b976b4c0 VK	121	int row, col, rel, assert_irq = 0;
b976b4c0 VK	122	uint32_t val;
31b87f2e	123
582798b5 VK	124	if (keycode == 0xe0) {
	125	kp->alt_code = 1;
	126	return;
	127	}
	128
31b87f2e AZ	129	if(!(kp->kpc & KPC_ME)) /* skip if not enabled */
	130	return;
	131
753a97c6 VK	132	rel = (keycode & 0x80) ? 1 : 0; /* key release from qemu */
	133	keycode &= ~0x80; /* strip qemu key release bit */
	134	if (kp->alt_code) {
	135	keycode \|= 0x80;
	136	kp->alt_code = 0;
	137	}
b976b4c0	138
753a97c6 VK	139	row = kp->map[keycode].row;
	140	col = kp->map[keycode].column;
	141	if (row == -1 \|\| col == -1) {
	142	return;
	143	}
b976b4c0	144
753a97c6 VK	145	val = KPASMKPx_MKC(row, col);
	146	if (rel) {
	147	if (kp->kpasmkp[col / 2] & val) {
	148	kp->kpasmkp[col / 2] &= ~val;
	149	kp->pressed_cnt--;
	150	assert_irq = 1;
b976b4c0	151	}
753a97c6 VK	152	} else {
	153	if (!(kp->kpasmkp[col / 2] & val)) {
	154	kp->kpasmkp[col / 2] \|= val;
	155	kp->pressed_cnt++;
	156	assert_irq = 1;
b976b4c0	157	}
31b87f2e	158	}
753a97c6 VK	159	kp->kpas = ((kp->pressed_cnt & 0x1f) << 26) \| (0xf << 4) \| 0xf;
	160	if (kp->pressed_cnt == 1) {
	161	kp->kpas &= ~((0xf << 4) \| 0xf);
	162	if (rel) {
	163	pxa27x_keypad_find_pressed_key(kp, &row, &col);
	164	}
	165	kp->kpas \|= ((row & 0xf) << 4) \| (col & 0xf);
	166	}
	167
8c4ec5c0	168	if (!(kp->kpc & (KPC_AS \| KPC_ASACT)))
753a97c6	169	assert_irq = 0;
31b87f2e	170
b976b4c0	171	if (assert_irq && (kp->kpc & KPC_MIE)) {
31b87f2e AZ	172	kp->kpc \|= KPC_MI;
	173	qemu_irq_raise(kp->irq);
	174	}
31b87f2e AZ	175	}
31b87f2e AZ	176
a8170e5e	177	static uint64_t pxa2xx_keypad_read(void *opaque, hwaddr offset,
6cd816b8	178	unsigned size)
31b87f2e	179	{
bc24a225	180	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e	181	uint32_t tmp;
31b87f2e AZ	182
	183	switch (offset) {
	184	case KPC:
	185	tmp = s->kpc;
	186	if(tmp & KPC_MI)
	187	s->kpc &= ~(KPC_MI);
	188	if(tmp & KPC_DI)
	189	s->kpc &= ~(KPC_DI);
	190	qemu_irq_lower(s->irq);
	191	return tmp;
	192	break;
	193	case KPDK:
	194	return s->kpdk;
	195	break;
	196	case KPREC:
	197	tmp = s->kprec;
	198	if(tmp & KPREC_OF1)
	199	s->kprec &= ~(KPREC_OF1);
	200	if(tmp & KPREC_UF1)
	201	s->kprec &= ~(KPREC_UF1);
	202	if(tmp & KPREC_OF0)
	203	s->kprec &= ~(KPREC_OF0);
	204	if(tmp & KPREC_UF0)
	205	s->kprec &= ~(KPREC_UF0);
	206	return tmp;
	207	break;
	208	case KPMK:
	209	tmp = s->kpmk;
	210	if(tmp & KPMK_MKP)
	211	s->kpmk &= ~(KPMK_MKP);
	212	return tmp;
	213	break;
	214	case KPAS:
	215	return s->kpas;
	216	break;
	217	case KPASMKP0:
b976b4c0	218	return s->kpasmkp[0];
31b87f2e AZ	219	break;
31b87f2e AZ	220	case KPASMKP1:
b976b4c0	221	return s->kpasmkp[1];
31b87f2e AZ	222	break;
31b87f2e AZ	223	case KPASMKP2:
b976b4c0	224	return s->kpasmkp[2];
31b87f2e AZ	225	break;
31b87f2e AZ	226	case KPASMKP3:
b976b4c0	227	return s->kpasmkp[3];
31b87f2e AZ	228	break;
	229	case KPKDI:
	230	return s->kpkdi;
	231	break;
	232	default:
2ac71179	233	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	234	}
	235
	236	return 0;
	237	}
	238
a8170e5e	239	static void pxa2xx_keypad_write(void *opaque, hwaddr offset,
6cd816b8	240	uint64_t value, unsigned size)
31b87f2e	241	{
bc24a225	242	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e AZ	243
	244	switch (offset) {
	245	case KPC:
	246	s->kpc = value;
753a97c6 VK	247	if (s->kpc & KPC_AS) {
	248	s->kpc &= ~(KPC_AS);
	249	}
31b87f2e AZ	250	break;
	251	case KPDK:
	252	s->kpdk = value;
	253	break;
	254	case KPREC:
	255	s->kprec = value;
	256	break;
	257	case KPMK:
	258	s->kpmk = value;
	259	break;
	260	case KPAS:
	261	s->kpas = value;
	262	break;
	263	case KPASMKP0:
b976b4c0	264	s->kpasmkp[0] = value;
31b87f2e AZ	265	break;
31b87f2e AZ	266	case KPASMKP1:
b976b4c0	267	s->kpasmkp[1] = value;
31b87f2e AZ	268	break;
31b87f2e AZ	269	case KPASMKP2:
b976b4c0	270	s->kpasmkp[2] = value;
31b87f2e AZ	271	break;
31b87f2e AZ	272	case KPASMKP3:
b976b4c0	273	s->kpasmkp[3] = value;
31b87f2e AZ	274	break;
	275	case KPKDI:
	276	s->kpkdi = value;
	277	break;
	278
	279	default:
2ac71179	280	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	281	}
	282	}
	283
6cd816b8 BC	284	static const MemoryRegionOps pxa2xx_keypad_ops = {
	285	.read = pxa2xx_keypad_read,
	286	.write = pxa2xx_keypad_write,
	287	.endianness = DEVICE_NATIVE_ENDIAN,
31b87f2e AZ	288	};
31b87f2e AZ	289
25f5a1b7 JQ	290	static const VMStateDescription vmstate_pxa2xx_keypad = {
	291	.name = "pxa2xx_keypad",
	292	.version_id = 0,
	293	.minimum_version_id = 0,
	294	.minimum_version_id_old = 0,
	295	.fields = (VMStateField[]) {
	296	VMSTATE_UINT32(kpc, PXA2xxKeyPadState),
	297	VMSTATE_UINT32(kpdk, PXA2xxKeyPadState),
	298	VMSTATE_UINT32(kprec, PXA2xxKeyPadState),
	299	VMSTATE_UINT32(kpmk, PXA2xxKeyPadState),
	300	VMSTATE_UINT32(kpas, PXA2xxKeyPadState),
	301	VMSTATE_UINT32_ARRAY(kpasmkp, PXA2xxKeyPadState, 4),
	302	VMSTATE_UINT32(kpkdi, PXA2xxKeyPadState),
	303	VMSTATE_END_OF_LIST()
	304	}
	305	};
31b87f2e	306
6cd816b8	307	PXA2xxKeyPadState pxa27x_keypad_init(MemoryRegion sysmem,
a8170e5e	308	hwaddr base,
6cd816b8	309	qemu_irq irq)
31b87f2e	310	{
bc24a225	311	PXA2xxKeyPadState *s;
31b87f2e	312
7267c094	313	s = (PXA2xxKeyPadState *) g_malloc0(sizeof(PXA2xxKeyPadState));
31b87f2e AZ	314	s->irq = irq;
31b87f2e AZ	315
2c9b15ca	316	memory_region_init_io(&s->iomem, NULL, &pxa2xx_keypad_ops, s,
6cd816b8 BC	317	"pxa2xx-keypad", 0x00100000);
6cd816b8 BC	318	memory_region_add_subregion(sysmem, base, &s->iomem);
31b87f2e	319
25f5a1b7	320	vmstate_register(NULL, 0, &vmstate_pxa2xx_keypad, s);
31b87f2e AZ	321
	322	return s;
	323	}
	324
bc24a225	325	void pxa27x_register_keypad(PXA2xxKeyPadState kp, struct keymap map,
31b87f2e AZ	326	int size)
31b87f2e AZ	327	{
bd464c2e	328	if(!map \|\| size < 0x80) {
31b87f2e AZ	329	fprintf(stderr, "%s - No PXA keypad map defined\n", __FUNCTION__);
	330	exit(-1);
	331	}
	332
	333	kp->map = map;
	334	qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp);
	335	}