root / hw / pxa2xx_keypad.c @ 8d3a8c1e
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1 | 31b87f2e | balrog | /*
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2 | 31b87f2e | balrog | * Intel PXA27X Keypad Controller emulation.
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3 | 31b87f2e | balrog | *
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4 | 31b87f2e | balrog | * Copyright (c) 2007 MontaVista Software, Inc
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5 | 31b87f2e | balrog | * Written by Armin Kuster <akuster@kama-aina.net>
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6 | 31b87f2e | balrog | * or <Akuster@mvista.com>
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7 | 31b87f2e | balrog | *
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8 | 31b87f2e | balrog | * This code is licensed under the GPLv2.
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9 | 31b87f2e | balrog | */
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10 | 31b87f2e | balrog | |
11 | 31b87f2e | balrog | #include "hw.h" |
12 | 31b87f2e | balrog | #include "pxa.h" |
13 | 31b87f2e | balrog | #include "console.h" |
14 | 31b87f2e | balrog | |
15 | 31b87f2e | balrog | /*
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16 | 31b87f2e | balrog | * Keypad
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17 | 31b87f2e | balrog | */
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18 | 31b87f2e | balrog | #define KPC 0x00 /* Keypad Interface Control register */ |
19 | 31b87f2e | balrog | #define KPDK 0x08 /* Keypad Interface Direct Key register */ |
20 | 31b87f2e | balrog | #define KPREC 0x10 /* Keypad Interface Rotary Encoder register */ |
21 | 31b87f2e | balrog | #define KPMK 0x18 /* Keypad Interface Matrix Key register */ |
22 | 31b87f2e | balrog | #define KPAS 0x20 /* Keypad Interface Automatic Scan register */ |
23 | 31b87f2e | balrog | #define KPASMKP0 0x28 /* Keypad Interface Automatic Scan Multiple |
24 | 31b87f2e | balrog | Key Presser register 0 */
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25 | 31b87f2e | balrog | #define KPASMKP1 0x30 /* Keypad Interface Automatic Scan Multiple |
26 | 31b87f2e | balrog | Key Presser register 1 */
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27 | 31b87f2e | balrog | #define KPASMKP2 0x38 /* Keypad Interface Automatic Scan Multiple |
28 | 31b87f2e | balrog | Key Presser register 2 */
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29 | 31b87f2e | balrog | #define KPASMKP3 0x40 /* Keypad Interface Automatic Scan Multiple |
30 | 31b87f2e | balrog | Key Presser register 3 */
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31 | 31b87f2e | balrog | #define KPKDI 0x48 /* Keypad Interface Key Debounce Interval |
32 | 31b87f2e | balrog | register */
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33 | 31b87f2e | balrog | |
34 | 31b87f2e | balrog | /* Keypad defines */
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35 | 31b87f2e | balrog | #define KPC_AS (0x1 << 30) /* Automatic Scan bit */ |
36 | 31b87f2e | balrog | #define KPC_ASACT (0x1 << 29) /* Automatic Scan on Activity */ |
37 | 31b87f2e | balrog | #define KPC_MI (0x1 << 22) /* Matrix interrupt bit */ |
38 | 31b87f2e | balrog | #define KPC_IMKP (0x1 << 21) /* Ignore Multiple Key Press */ |
39 | 31b87f2e | balrog | #define KPC_MS7 (0x1 << 20) /* Matrix scan line 7 */ |
40 | 31b87f2e | balrog | #define KPC_MS6 (0x1 << 19) /* Matrix scan line 6 */ |
41 | 31b87f2e | balrog | #define KPC_MS5 (0x1 << 18) /* Matrix scan line 5 */ |
42 | 31b87f2e | balrog | #define KPC_MS4 (0x1 << 17) /* Matrix scan line 4 */ |
43 | 31b87f2e | balrog | #define KPC_MS3 (0x1 << 16) /* Matrix scan line 3 */ |
44 | 31b87f2e | balrog | #define KPC_MS2 (0x1 << 15) /* Matrix scan line 2 */ |
45 | 31b87f2e | balrog | #define KPC_MS1 (0x1 << 14) /* Matrix scan line 1 */ |
46 | 31b87f2e | balrog | #define KPC_MS0 (0x1 << 13) /* Matrix scan line 0 */ |
47 | 31b87f2e | balrog | #define KPC_ME (0x1 << 12) /* Matrix Keypad Enable */ |
48 | 31b87f2e | balrog | #define KPC_MIE (0x1 << 11) /* Matrix Interrupt Enable */ |
49 | 31b87f2e | balrog | #define KPC_DK_DEB_SEL (0x1 << 9) /* Direct Keypad Debounce Select */ |
50 | 31b87f2e | balrog | #define KPC_DI (0x1 << 5) /* Direct key interrupt bit */ |
51 | 31b87f2e | balrog | #define KPC_RE_ZERO_DEB (0x1 << 4) /* Rotary Encoder Zero Debounce */ |
52 | 31b87f2e | balrog | #define KPC_REE1 (0x1 << 3) /* Rotary Encoder1 Enable */ |
53 | 31b87f2e | balrog | #define KPC_REE0 (0x1 << 2) /* Rotary Encoder0 Enable */ |
54 | 31b87f2e | balrog | #define KPC_DE (0x1 << 1) /* Direct Keypad Enable */ |
55 | 31b87f2e | balrog | #define KPC_DIE (0x1 << 0) /* Direct Keypad interrupt Enable */ |
56 | 31b87f2e | balrog | |
57 | 31b87f2e | balrog | #define KPDK_DKP (0x1 << 31) |
58 | 31b87f2e | balrog | #define KPDK_DK7 (0x1 << 7) |
59 | 31b87f2e | balrog | #define KPDK_DK6 (0x1 << 6) |
60 | 31b87f2e | balrog | #define KPDK_DK5 (0x1 << 5) |
61 | 31b87f2e | balrog | #define KPDK_DK4 (0x1 << 4) |
62 | 31b87f2e | balrog | #define KPDK_DK3 (0x1 << 3) |
63 | 31b87f2e | balrog | #define KPDK_DK2 (0x1 << 2) |
64 | 31b87f2e | balrog | #define KPDK_DK1 (0x1 << 1) |
65 | 31b87f2e | balrog | #define KPDK_DK0 (0x1 << 0) |
66 | 31b87f2e | balrog | |
67 | 31b87f2e | balrog | #define KPREC_OF1 (0x1 << 31) |
68 | 31b87f2e | balrog | #define KPREC_UF1 (0x1 << 30) |
69 | 31b87f2e | balrog | #define KPREC_OF0 (0x1 << 15) |
70 | 31b87f2e | balrog | #define KPREC_UF0 (0x1 << 14) |
71 | 31b87f2e | balrog | |
72 | 31b87f2e | balrog | #define KPMK_MKP (0x1 << 31) |
73 | 31b87f2e | balrog | #define KPAS_SO (0x1 << 31) |
74 | 31b87f2e | balrog | #define KPASMKPx_SO (0x1 << 31) |
75 | 31b87f2e | balrog | |
76 | 31b87f2e | balrog | |
77 | 31b87f2e | balrog | #define KPASMKPx_MKC(row, col) (1 << (row + 16 * (col % 2))) |
78 | 31b87f2e | balrog | |
79 | 31b87f2e | balrog | #define PXAKBD_MAXROW 8 |
80 | 31b87f2e | balrog | #define PXAKBD_MAXCOL 8 |
81 | 31b87f2e | balrog | |
82 | bc24a225 | Paul Brook | struct PXA2xxKeyPadState {
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83 | 31b87f2e | balrog | qemu_irq irq; |
84 | 31b87f2e | balrog | struct keymap *map;
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85 | b976b4c0 | Vasily Khoruzhick | int pressed_cnt;
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86 | 582798b5 | Vasily Khoruzhick | int alt_code;
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87 | 31b87f2e | balrog | |
88 | 31b87f2e | balrog | uint32_t kpc; |
89 | 31b87f2e | balrog | uint32_t kpdk; |
90 | 31b87f2e | balrog | uint32_t kprec; |
91 | 31b87f2e | balrog | uint32_t kpmk; |
92 | 31b87f2e | balrog | uint32_t kpas; |
93 | b976b4c0 | Vasily Khoruzhick | uint32_t kpasmkp[4];
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94 | 31b87f2e | balrog | uint32_t kpkdi; |
95 | 31b87f2e | balrog | }; |
96 | 31b87f2e | balrog | |
97 | b976b4c0 | Vasily Khoruzhick | static void pxa27x_keypad_find_pressed_key(PXA2xxKeyPadState *kp, int *row, int *col) |
98 | b976b4c0 | Vasily Khoruzhick | { |
99 | b976b4c0 | Vasily Khoruzhick | int i;
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100 | b976b4c0 | Vasily Khoruzhick | for (i = 0; i < 4; i++) |
101 | b976b4c0 | Vasily Khoruzhick | { |
102 | b976b4c0 | Vasily Khoruzhick | *col = i * 2;
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103 | b976b4c0 | Vasily Khoruzhick | for (*row = 0; *row < 8; (*row)++) { |
104 | b976b4c0 | Vasily Khoruzhick | if (kp->kpasmkp[i] & (1 << *row)) |
105 | b976b4c0 | Vasily Khoruzhick | return;
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106 | b976b4c0 | Vasily Khoruzhick | } |
107 | b976b4c0 | Vasily Khoruzhick | *col = i * 2 + 1; |
108 | b976b4c0 | Vasily Khoruzhick | for (*row = 0; *row < 8; (*row)++) { |
109 | b976b4c0 | Vasily Khoruzhick | if (kp->kpasmkp[i] & (1 << (*row + 16))) |
110 | b976b4c0 | Vasily Khoruzhick | return;
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111 | b976b4c0 | Vasily Khoruzhick | } |
112 | b976b4c0 | Vasily Khoruzhick | } |
113 | b976b4c0 | Vasily Khoruzhick | } |
114 | b976b4c0 | Vasily Khoruzhick | |
115 | bc24a225 | Paul Brook | static void pxa27x_keyboard_event (PXA2xxKeyPadState *kp, int keycode) |
116 | 31b87f2e | balrog | { |
117 | b976b4c0 | Vasily Khoruzhick | int row, col, rel, assert_irq = 0; |
118 | b976b4c0 | Vasily Khoruzhick | uint32_t val; |
119 | 31b87f2e | balrog | |
120 | 582798b5 | Vasily Khoruzhick | if (keycode == 0xe0) { |
121 | 582798b5 | Vasily Khoruzhick | kp->alt_code = 1;
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122 | 582798b5 | Vasily Khoruzhick | return;
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123 | 582798b5 | Vasily Khoruzhick | } |
124 | 582798b5 | Vasily Khoruzhick | |
125 | 31b87f2e | balrog | if(!(kp->kpc & KPC_ME)) /* skip if not enabled */ |
126 | 31b87f2e | balrog | return;
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127 | 31b87f2e | balrog | |
128 | 31b87f2e | balrog | if(kp->kpc & KPC_AS || kp->kpc & KPC_ASACT) {
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129 | 31b87f2e | balrog | if(kp->kpc & KPC_AS)
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130 | 31b87f2e | balrog | kp->kpc &= ~(KPC_AS); |
131 | 31b87f2e | balrog | |
132 | 31b87f2e | balrog | rel = (keycode & 0x80) ? 1 : 0; /* key release from qemu */ |
133 | 31b87f2e | balrog | keycode &= ~(0x80); /* strip qemu key release bit */ |
134 | 582798b5 | Vasily Khoruzhick | if (kp->alt_code) {
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135 | 582798b5 | Vasily Khoruzhick | keycode |= 0x80;
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136 | 582798b5 | Vasily Khoruzhick | kp->alt_code = 0;
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137 | 582798b5 | Vasily Khoruzhick | } |
138 | b976b4c0 | Vasily Khoruzhick | |
139 | 31b87f2e | balrog | row = kp->map[keycode].row; |
140 | 31b87f2e | balrog | col = kp->map[keycode].column; |
141 | 31b87f2e | balrog | if(row == -1 || col == -1) |
142 | 31b87f2e | balrog | return;
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143 | b976b4c0 | Vasily Khoruzhick | |
144 | b976b4c0 | Vasily Khoruzhick | val = KPASMKPx_MKC(row, col); |
145 | b976b4c0 | Vasily Khoruzhick | if (rel) {
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146 | b976b4c0 | Vasily Khoruzhick | if (kp->kpasmkp[col / 2] & val) { |
147 | b976b4c0 | Vasily Khoruzhick | kp->kpasmkp[col / 2] &= ~val;
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148 | b976b4c0 | Vasily Khoruzhick | kp->pressed_cnt--; |
149 | b976b4c0 | Vasily Khoruzhick | assert_irq = 1;
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150 | b976b4c0 | Vasily Khoruzhick | } |
151 | b976b4c0 | Vasily Khoruzhick | } else {
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152 | b976b4c0 | Vasily Khoruzhick | if (!(kp->kpasmkp[col / 2] & val)) { |
153 | b976b4c0 | Vasily Khoruzhick | kp->kpasmkp[col / 2] |= val;
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154 | b976b4c0 | Vasily Khoruzhick | kp->pressed_cnt++; |
155 | b976b4c0 | Vasily Khoruzhick | assert_irq = 1;
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156 | b976b4c0 | Vasily Khoruzhick | } |
157 | b976b4c0 | Vasily Khoruzhick | } |
158 | b976b4c0 | Vasily Khoruzhick | kp->kpas = ((kp->pressed_cnt & 0x1f) << 26) | (0xf << 4) | 0xf; |
159 | b976b4c0 | Vasily Khoruzhick | if (kp->pressed_cnt == 1) { |
160 | b976b4c0 | Vasily Khoruzhick | kp->kpas &= ~((0xf << 4) | 0xf); |
161 | b976b4c0 | Vasily Khoruzhick | if (rel)
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162 | b976b4c0 | Vasily Khoruzhick | pxa27x_keypad_find_pressed_key(kp, &row, &col); |
163 | b976b4c0 | Vasily Khoruzhick | kp->kpas |= ((row & 0xf) << 4) | (col & 0xf); |
164 | b976b4c0 | Vasily Khoruzhick | } |
165 | 31b87f2e | balrog | goto out;
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166 | 31b87f2e | balrog | } |
167 | 31b87f2e | balrog | return;
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168 | 31b87f2e | balrog | |
169 | 31b87f2e | balrog | out:
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170 | b976b4c0 | Vasily Khoruzhick | if (assert_irq && (kp->kpc & KPC_MIE)) {
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171 | 31b87f2e | balrog | kp->kpc |= KPC_MI; |
172 | 31b87f2e | balrog | qemu_irq_raise(kp->irq); |
173 | 31b87f2e | balrog | } |
174 | 31b87f2e | balrog | return;
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175 | 31b87f2e | balrog | } |
176 | 31b87f2e | balrog | |
177 | c227f099 | Anthony Liguori | static uint32_t pxa2xx_keypad_read(void *opaque, target_phys_addr_t offset) |
178 | 31b87f2e | balrog | { |
179 | bc24a225 | Paul Brook | PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque; |
180 | 31b87f2e | balrog | uint32_t tmp; |
181 | 31b87f2e | balrog | |
182 | 31b87f2e | balrog | switch (offset) {
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183 | 31b87f2e | balrog | case KPC:
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184 | 31b87f2e | balrog | tmp = s->kpc; |
185 | 31b87f2e | balrog | if(tmp & KPC_MI)
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186 | 31b87f2e | balrog | s->kpc &= ~(KPC_MI); |
187 | 31b87f2e | balrog | if(tmp & KPC_DI)
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188 | 31b87f2e | balrog | s->kpc &= ~(KPC_DI); |
189 | 31b87f2e | balrog | qemu_irq_lower(s->irq); |
190 | 31b87f2e | balrog | return tmp;
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191 | 31b87f2e | balrog | break;
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192 | 31b87f2e | balrog | case KPDK:
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193 | 31b87f2e | balrog | return s->kpdk;
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194 | 31b87f2e | balrog | break;
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195 | 31b87f2e | balrog | case KPREC:
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196 | 31b87f2e | balrog | tmp = s->kprec; |
197 | 31b87f2e | balrog | if(tmp & KPREC_OF1)
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198 | 31b87f2e | balrog | s->kprec &= ~(KPREC_OF1); |
199 | 31b87f2e | balrog | if(tmp & KPREC_UF1)
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200 | 31b87f2e | balrog | s->kprec &= ~(KPREC_UF1); |
201 | 31b87f2e | balrog | if(tmp & KPREC_OF0)
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202 | 31b87f2e | balrog | s->kprec &= ~(KPREC_OF0); |
203 | 31b87f2e | balrog | if(tmp & KPREC_UF0)
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204 | 31b87f2e | balrog | s->kprec &= ~(KPREC_UF0); |
205 | 31b87f2e | balrog | return tmp;
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206 | 31b87f2e | balrog | break;
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207 | 31b87f2e | balrog | case KPMK:
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208 | 31b87f2e | balrog | tmp = s->kpmk; |
209 | 31b87f2e | balrog | if(tmp & KPMK_MKP)
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210 | 31b87f2e | balrog | s->kpmk &= ~(KPMK_MKP); |
211 | 31b87f2e | balrog | return tmp;
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212 | 31b87f2e | balrog | break;
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213 | 31b87f2e | balrog | case KPAS:
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214 | 31b87f2e | balrog | return s->kpas;
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215 | 31b87f2e | balrog | break;
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216 | 31b87f2e | balrog | case KPASMKP0:
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217 | b976b4c0 | Vasily Khoruzhick | return s->kpasmkp[0]; |
218 | 31b87f2e | balrog | break;
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219 | 31b87f2e | balrog | case KPASMKP1:
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220 | b976b4c0 | Vasily Khoruzhick | return s->kpasmkp[1]; |
221 | 31b87f2e | balrog | break;
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222 | 31b87f2e | balrog | case KPASMKP2:
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223 | b976b4c0 | Vasily Khoruzhick | return s->kpasmkp[2]; |
224 | 31b87f2e | balrog | break;
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225 | 31b87f2e | balrog | case KPASMKP3:
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226 | b976b4c0 | Vasily Khoruzhick | return s->kpasmkp[3]; |
227 | 31b87f2e | balrog | break;
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228 | 31b87f2e | balrog | case KPKDI:
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229 | 31b87f2e | balrog | return s->kpkdi;
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230 | 31b87f2e | balrog | break;
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231 | 31b87f2e | balrog | default:
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232 | 2ac71179 | Paul Brook | hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset); |
233 | 31b87f2e | balrog | } |
234 | 31b87f2e | balrog | |
235 | 31b87f2e | balrog | return 0; |
236 | 31b87f2e | balrog | } |
237 | 31b87f2e | balrog | |
238 | 31b87f2e | balrog | static void pxa2xx_keypad_write(void *opaque, |
239 | c227f099 | Anthony Liguori | target_phys_addr_t offset, uint32_t value) |
240 | 31b87f2e | balrog | { |
241 | bc24a225 | Paul Brook | PXA2xxKeyPadState *s = (PXA2xxKeyPadState *) opaque; |
242 | 31b87f2e | balrog | |
243 | 31b87f2e | balrog | switch (offset) {
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244 | 31b87f2e | balrog | case KPC:
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245 | 31b87f2e | balrog | s->kpc = value; |
246 | 31b87f2e | balrog | break;
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247 | 31b87f2e | balrog | case KPDK:
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248 | 31b87f2e | balrog | s->kpdk = value; |
249 | 31b87f2e | balrog | break;
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250 | 31b87f2e | balrog | case KPREC:
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251 | 31b87f2e | balrog | s->kprec = value; |
252 | 31b87f2e | balrog | break;
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253 | 31b87f2e | balrog | case KPMK:
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254 | 31b87f2e | balrog | s->kpmk = value; |
255 | 31b87f2e | balrog | break;
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256 | 31b87f2e | balrog | case KPAS:
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257 | 31b87f2e | balrog | s->kpas = value; |
258 | 31b87f2e | balrog | break;
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259 | 31b87f2e | balrog | case KPASMKP0:
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260 | b976b4c0 | Vasily Khoruzhick | s->kpasmkp[0] = value;
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261 | 31b87f2e | balrog | break;
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262 | 31b87f2e | balrog | case KPASMKP1:
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263 | b976b4c0 | Vasily Khoruzhick | s->kpasmkp[1] = value;
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264 | 31b87f2e | balrog | break;
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265 | 31b87f2e | balrog | case KPASMKP2:
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266 | b976b4c0 | Vasily Khoruzhick | s->kpasmkp[2] = value;
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267 | 31b87f2e | balrog | break;
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268 | 31b87f2e | balrog | case KPASMKP3:
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269 | b976b4c0 | Vasily Khoruzhick | s->kpasmkp[3] = value;
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270 | 31b87f2e | balrog | break;
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271 | 31b87f2e | balrog | case KPKDI:
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272 | 31b87f2e | balrog | s->kpkdi = value; |
273 | 31b87f2e | balrog | break;
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274 | 31b87f2e | balrog | |
275 | 31b87f2e | balrog | default:
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276 | 2ac71179 | Paul Brook | hw_error("%s: Bad offset " REG_FMT "\n", __FUNCTION__, offset); |
277 | 31b87f2e | balrog | } |
278 | 31b87f2e | balrog | } |
279 | 31b87f2e | balrog | |
280 | d60efc6b | Blue Swirl | static CPUReadMemoryFunc * const pxa2xx_keypad_readfn[] = { |
281 | 31b87f2e | balrog | pxa2xx_keypad_read, |
282 | 31b87f2e | balrog | pxa2xx_keypad_read, |
283 | 31b87f2e | balrog | pxa2xx_keypad_read |
284 | 31b87f2e | balrog | }; |
285 | 31b87f2e | balrog | |
286 | d60efc6b | Blue Swirl | static CPUWriteMemoryFunc * const pxa2xx_keypad_writefn[] = { |
287 | 31b87f2e | balrog | pxa2xx_keypad_write, |
288 | 31b87f2e | balrog | pxa2xx_keypad_write, |
289 | 31b87f2e | balrog | pxa2xx_keypad_write |
290 | 31b87f2e | balrog | }; |
291 | 31b87f2e | balrog | |
292 | 25f5a1b7 | Juan Quintela | static const VMStateDescription vmstate_pxa2xx_keypad = { |
293 | 25f5a1b7 | Juan Quintela | .name = "pxa2xx_keypad",
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294 | 25f5a1b7 | Juan Quintela | .version_id = 0,
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295 | 25f5a1b7 | Juan Quintela | .minimum_version_id = 0,
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296 | 25f5a1b7 | Juan Quintela | .minimum_version_id_old = 0,
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297 | 25f5a1b7 | Juan Quintela | .fields = (VMStateField[]) { |
298 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kpc, PXA2xxKeyPadState), |
299 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kpdk, PXA2xxKeyPadState), |
300 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kprec, PXA2xxKeyPadState), |
301 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kpmk, PXA2xxKeyPadState), |
302 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kpas, PXA2xxKeyPadState), |
303 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32_ARRAY(kpasmkp, PXA2xxKeyPadState, 4),
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304 | 25f5a1b7 | Juan Quintela | VMSTATE_UINT32(kpkdi, PXA2xxKeyPadState), |
305 | 25f5a1b7 | Juan Quintela | VMSTATE_END_OF_LIST() |
306 | 25f5a1b7 | Juan Quintela | } |
307 | 25f5a1b7 | Juan Quintela | }; |
308 | 31b87f2e | balrog | |
309 | c227f099 | Anthony Liguori | PXA2xxKeyPadState *pxa27x_keypad_init(target_phys_addr_t base, |
310 | 31b87f2e | balrog | qemu_irq irq) |
311 | 31b87f2e | balrog | { |
312 | 31b87f2e | balrog | int iomemtype;
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313 | bc24a225 | Paul Brook | PXA2xxKeyPadState *s; |
314 | 31b87f2e | balrog | |
315 | 7267c094 | Anthony Liguori | s = (PXA2xxKeyPadState *) g_malloc0(sizeof(PXA2xxKeyPadState));
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316 | 31b87f2e | balrog | s->irq = irq; |
317 | 31b87f2e | balrog | |
318 | 1eed09cb | Avi Kivity | iomemtype = cpu_register_io_memory(pxa2xx_keypad_readfn, |
319 | 2507c12a | Alexander Graf | pxa2xx_keypad_writefn, s, DEVICE_NATIVE_ENDIAN); |
320 | bd464c2e | balrog | cpu_register_physical_memory(base, 0x00100000, iomemtype);
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321 | 31b87f2e | balrog | |
322 | 25f5a1b7 | Juan Quintela | vmstate_register(NULL, 0, &vmstate_pxa2xx_keypad, s); |
323 | 31b87f2e | balrog | |
324 | 31b87f2e | balrog | return s;
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325 | 31b87f2e | balrog | } |
326 | 31b87f2e | balrog | |
327 | bc24a225 | Paul Brook | void pxa27x_register_keypad(PXA2xxKeyPadState *kp, struct keymap *map, |
328 | 31b87f2e | balrog | int size)
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329 | 31b87f2e | balrog | { |
330 | bd464c2e | balrog | if(!map || size < 0x80) { |
331 | 31b87f2e | balrog | fprintf(stderr, "%s - No PXA keypad map defined\n", __FUNCTION__);
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332 | 31b87f2e | balrog | exit(-1);
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333 | 31b87f2e | balrog | } |
334 | 31b87f2e | balrog | |
335 | 31b87f2e | balrog | kp->map = map; |
336 | 31b87f2e | balrog | qemu_add_kbd_event_handler((QEMUPutKBDEvent *) pxa27x_keyboard_event, kp); |
337 | 31b87f2e | balrog | } |