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Diffstat (limited to 'hw/pxa2xx_keypad.c')
-rw-r--r--hw/pxa2xx_keypad.c335
1 files changed, 0 insertions, 335 deletions
diff --git a/hw/pxa2xx_keypad.c b/hw/pxa2xx_keypad.c
deleted file mode 100644
index 32ea7a5d34..0000000000
--- a/hw/pxa2xx_keypad.c
+++ /dev/null
@@ -1,335 +0,0 @@
-/*
- * 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/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, &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);
-}
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