[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;

    uint32_t    kpc;
    uint32_t    kpdk;
    uint32_t    kprec;
    uint32_t    kpmk;
    uint32_t    kpas;
    uint32_t    kpasmkp0;
    uint32_t    kpasmkp1;
    uint32_t    kpasmkp2;
    uint32_t    kpasmkp3;
    uint32_t    kpkdi;
};

static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode)
{
    int row, col,rel;

    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 */
        row = kp->map[keycode].row;
        col = kp->map[keycode].column;
        if(row == -1 || col == -1)
            return;
        switch (col) {
        case 0:
        case 1:
            if(rel)
                kp->kpasmkp0 = ~(0xffffffff);
            else
                kp->kpasmkp0 |= KPASMKPx_MKC(row,col);
            break;
        case 2:
        case 3:
            if(rel)
                kp->kpasmkp1 = ~(0xffffffff);
            else
                kp->kpasmkp1 |= KPASMKPx_MKC(row,col);
            break;
        case 4:
        case 5:
            if(rel)
                kp->kpasmkp2 = ~(0xffffffff);
            else
                kp->kpasmkp2 |= KPASMKPx_MKC(row,col);
            break;
        case 6:
        case 7:
            if(rel)
                kp->kpasmkp3 = ~(0xffffffff);
            else
                kp->kpasmkp3 |= KPASMKPx_MKC(row,col);
            break;
        } /* switch */
        goto out;
    }
    return;

out:
    if(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->kpasmkp0;
        break;
    case KPASMKP1:
        return s->kpasmkp1;
        break;
    case KPASMKP2:
        return s->kpasmkp2;
        break;
    case KPASMKP3:
        return s->kpasmkp3;
        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->kpasmkp0 = value;
        break;
    case KPASMKP1:
        s->kpasmkp1 = value;
        break;
    case KPASMKP2:
        s->kpasmkp2 = value;
        break;
    case KPASMKP3:
        s->kpasmkp3 = value;
        break;
    case KPKDI:
        s->kpkdi = value;
        break;

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

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

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

static void pxa2xx_keypad_save(QEMUFile *f, void *opaque)
{
    PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque;

    qemu_put_be32s(f, &s->kpc);
    qemu_put_be32s(f, &s->kpdk);
    qemu_put_be32s(f, &s->kprec);
    qemu_put_be32s(f, &s->kpmk);
    qemu_put_be32s(f, &s->kpas);
    qemu_put_be32s(f, &s->kpasmkp0);
    qemu_put_be32s(f, &s->kpasmkp1);
    qemu_put_be32s(f, &s->kpasmkp2);
    qemu_put_be32s(f, &s->kpasmkp3);
    qemu_put_be32s(f, &s->kpkdi);

}

static int pxa2xx_keypad_load(QEMUFile *f, void *opaque, int version_id)
{
    PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque;

    qemu_get_be32s(f, &s->kpc);
    qemu_get_be32s(f, &s->kpdk);
    qemu_get_be32s(f, &s->kprec);
    qemu_get_be32s(f, &s->kpmk);
    qemu_get_be32s(f, &s->kpas);
    qemu_get_be32s(f, &s->kpasmkp0);
    qemu_get_be32s(f, &s->kpasmkp1);
    qemu_get_be32s(f, &s->kpasmkp2);
    qemu_get_be32s(f, &s->kpasmkp3);
    qemu_get_be32s(f, &s->kpkdi);

    return 0;
}

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

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

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

    register_savevm("pxa2xx_keypad", 0, 0,
                    pxa2xx_keypad_save, pxa2xx_keypad_load, 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;
	84	struct keymap *map;
	85
	86	uint32_t kpc;
	87	uint32_t kpdk;
	88	uint32_t kprec;
	89	uint32_t kpmk;
	90	uint32_t kpas;
	91	uint32_t kpasmkp0;
	92	uint32_t kpasmkp1;
	93	uint32_t kpasmkp2;
	94	uint32_t kpasmkp3;
	95	uint32_t kpkdi;
	96	};
	97
bc24a225	98	static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode)
31b87f2e AZ	99	{
	100	int row, col,rel;
	101
	102	if(!(kp->kpc & KPC_ME)) /* skip if not enabled */
	103	return;
	104
	105	if(kp->kpc & KPC_AS \|\| kp->kpc & KPC_ASACT) {
	106	if(kp->kpc & KPC_AS)
	107	kp->kpc &= ~(KPC_AS);
	108
	109	rel = (keycode & 0x80) ? 1 : 0; /* key release from qemu */
	110	keycode &= ~(0x80); /* strip qemu key release bit */
	111	row = kp->map[keycode].row;
	112	col = kp->map[keycode].column;
	113	if(row == -1 \|\| col == -1)
	114	return;
	115	switch (col) {
	116	case 0:
	117	case 1:
	118	if(rel)
	119	kp->kpasmkp0 = ~(0xffffffff);
	120	else
	121	kp->kpasmkp0 \|= KPASMKPx_MKC(row,col);
	122	break;
	123	case 2:
	124	case 3:
	125	if(rel)
	126	kp->kpasmkp1 = ~(0xffffffff);
	127	else
	128	kp->kpasmkp1 \|= KPASMKPx_MKC(row,col);
	129	break;
	130	case 4:
	131	case 5:
	132	if(rel)
	133	kp->kpasmkp2 = ~(0xffffffff);
	134	else
	135	kp->kpasmkp2 \|= KPASMKPx_MKC(row,col);
	136	break;
	137	case 6:
	138	case 7:
	139	if(rel)
	140	kp->kpasmkp3 = ~(0xffffffff);
	141	else
	142	kp->kpasmkp3 \|= KPASMKPx_MKC(row,col);
	143	break;
	144	} /* switch */
	145	goto out;
	146	}
	147	return;
	148
	149	out:
	150	if(kp->kpc & KPC_MIE) {
	151	kp->kpc \|= KPC_MI;
	152	qemu_irq_raise(kp->irq);
	153	}
	154	return;
	155	}
	156
	157	static uint32_t pxa2xx_keypad_read(void *opaque, target_phys_addr_t offset)
	158	{
bc24a225	159	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e	160	uint32_t tmp;
31b87f2e AZ	161
	162	switch (offset) {
	163	case KPC:
	164	tmp = s->kpc;
	165	if(tmp & KPC_MI)
	166	s->kpc &= ~(KPC_MI);
	167	if(tmp & KPC_DI)
	168	s->kpc &= ~(KPC_DI);
	169	qemu_irq_lower(s->irq);
	170	return tmp;
	171	break;
	172	case KPDK:
	173	return s->kpdk;
	174	break;
	175	case KPREC:
	176	tmp = s->kprec;
	177	if(tmp & KPREC_OF1)
	178	s->kprec &= ~(KPREC_OF1);
	179	if(tmp & KPREC_UF1)
	180	s->kprec &= ~(KPREC_UF1);
	181	if(tmp & KPREC_OF0)
	182	s->kprec &= ~(KPREC_OF0);
	183	if(tmp & KPREC_UF0)
	184	s->kprec &= ~(KPREC_UF0);
	185	return tmp;
	186	break;
	187	case KPMK:
	188	tmp = s->kpmk;
	189	if(tmp & KPMK_MKP)
	190	s->kpmk &= ~(KPMK_MKP);
	191	return tmp;
	192	break;
	193	case KPAS:
	194	return s->kpas;
	195	break;
	196	case KPASMKP0:
	197	return s->kpasmkp0;
	198	break;
	199	case KPASMKP1:
	200	return s->kpasmkp1;
	201	break;
	202	case KPASMKP2:
	203	return s->kpasmkp2;
	204	break;
	205	case KPASMKP3:
	206	return s->kpasmkp3;
	207	break;
	208	case KPKDI:
	209	return s->kpkdi;
	210	break;
	211	default:
2ac71179	212	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	213	}
	214
	215	return 0;
	216	}
	217
	218	static void pxa2xx_keypad_write(void *opaque,
	219	target_phys_addr_t offset, uint32_t value)
	220	{
bc24a225	221	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e AZ	222
	223	switch (offset) {
	224	case KPC:
	225	s->kpc = value;
	226	break;
	227	case KPDK:
	228	s->kpdk = value;
	229	break;
	230	case KPREC:
	231	s->kprec = value;
	232	break;
	233	case KPMK:
	234	s->kpmk = value;
	235	break;
	236	case KPAS:
	237	s->kpas = value;
	238	break;
	239	case KPASMKP0:
	240	s->kpasmkp0 = value;
	241	break;
	242	case KPASMKP1:
	243	s->kpasmkp1 = value;
	244	break;
	245	case KPASMKP2:
	246	s->kpasmkp2 = value;
	247	break;
	248	case KPASMKP3:
	249	s->kpasmkp3 = value;
	250	break;
	251	case KPKDI:
	252	s->kpkdi = value;
	253	break;
	254
	255	default:
2ac71179	256	hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset);
31b87f2e AZ	257	}
	258	}
	259
	260	static CPUReadMemoryFunc *pxa2xx_keypad_readfn[] = {
	261	pxa2xx_keypad_read,
	262	pxa2xx_keypad_read,
	263	pxa2xx_keypad_read
	264	};
	265
	266	static CPUWriteMemoryFunc *pxa2xx_keypad_writefn[] = {
	267	pxa2xx_keypad_write,
	268	pxa2xx_keypad_write,
	269	pxa2xx_keypad_write
	270	};
	271
	272	static void pxa2xx_keypad_save(QEMUFile f, void opaque)
	273	{
bc24a225	274	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e AZ	275
	276	qemu_put_be32s(f, &s->kpc);
	277	qemu_put_be32s(f, &s->kpdk);
	278	qemu_put_be32s(f, &s->kprec);
	279	qemu_put_be32s(f, &s->kpmk);
	280	qemu_put_be32s(f, &s->kpas);
	281	qemu_put_be32s(f, &s->kpasmkp0);
	282	qemu_put_be32s(f, &s->kpasmkp1);
	283	qemu_put_be32s(f, &s->kpasmkp2);
	284	qemu_put_be32s(f, &s->kpasmkp3);
	285	qemu_put_be32s(f, &s->kpkdi);
	286
	287	}
	288
	289	static int pxa2xx_keypad_load(QEMUFile f, void opaque, int version_id)
	290	{
bc24a225	291	PXA2xxKeyPadState s = (PXA2xxKeyPadState ) opaque;
31b87f2e AZ	292
	293	qemu_get_be32s(f, &s->kpc);
	294	qemu_get_be32s(f, &s->kpdk);
	295	qemu_get_be32s(f, &s->kprec);
	296	qemu_get_be32s(f, &s->kpmk);
	297	qemu_get_be32s(f, &s->kpas);
	298	qemu_get_be32s(f, &s->kpasmkp0);
	299	qemu_get_be32s(f, &s->kpasmkp1);
	300	qemu_get_be32s(f, &s->kpasmkp2);
	301	qemu_get_be32s(f, &s->kpasmkp3);
	302	qemu_get_be32s(f, &s->kpkdi);
	303
	304	return 0;
	305	}
	306
bc24a225	307	PXA2xxKeyPadState *pxa27x_keypad_init(target_phys_addr_t base,
31b87f2e AZ	308	qemu_irq irq)
	309	{
	310	int iomemtype;
bc24a225	311	PXA2xxKeyPadState *s;
31b87f2e	312
bc24a225	313	s = (PXA2xxKeyPadState *) qemu_mallocz(sizeof(PXA2xxKeyPadState));
31b87f2e AZ	314	s->irq = irq;
31b87f2e AZ	315
1eed09cb	316	iomemtype = cpu_register_io_memory(pxa2xx_keypad_readfn,
31b87f2e	317	pxa2xx_keypad_writefn, s);
bd464c2e	318	cpu_register_physical_memory(base, 0x00100000, iomemtype);
31b87f2e AZ	319
	320	register_savevm("pxa2xx_keypad", 0, 0,
	321	pxa2xx_keypad_save, pxa2xx_keypad_load, s);
	322
	323	return s;
	324	}
	325
bc24a225	326	void pxa27x_register_keypad(PXA2xxKeyPadState kp, struct keymap map,
31b87f2e AZ	327	int size)
31b87f2e AZ	328	{
bd464c2e	329	if(!map \|\| size < 0x80) {
31b87f2e AZ	330	fprintf(stderr, "%s - No PXA keypad map defined\n", __FUNCTION__);
	331	exit(-1);
	332	}
	333
	334	kp->map = map;
	335	qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp);
	336	}