The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | /* Copyright (C) 2007-2008 The Android Open Source Project |
| 2 | ** |
| 3 | ** This software is licensed under the terms of the GNU General Public |
| 4 | ** License version 2, as published by the Free Software Foundation, and |
| 5 | ** may be copied, distributed, and modified under those terms. |
| 6 | ** |
| 7 | ** This program is distributed in the hope that it will be useful, |
| 8 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | ** GNU General Public License for more details. |
| 11 | */ |
| 12 | #include "qemu_file.h" |
| 13 | #include "goldfish_device.h" |
| 14 | #include "power_supply.h" |
| 15 | |
| 16 | |
| 17 | enum { |
| 18 | /* status register */ |
| 19 | BATTERY_INT_STATUS = 0x00, |
| 20 | /* set this to enable IRQ */ |
| 21 | BATTERY_INT_ENABLE = 0x04, |
| 22 | |
| 23 | BATTERY_AC_ONLINE = 0x08, |
| 24 | BATTERY_STATUS = 0x0C, |
| 25 | BATTERY_HEALTH = 0x10, |
| 26 | BATTERY_PRESENT = 0x14, |
| 27 | BATTERY_CAPACITY = 0x18, |
| 28 | |
| 29 | BATTERY_STATUS_CHANGED = 1U << 0, |
| 30 | AC_STATUS_CHANGED = 1U << 1, |
| 31 | BATTERY_INT_MASK = BATTERY_STATUS_CHANGED | AC_STATUS_CHANGED, |
| 32 | }; |
| 33 | |
| 34 | |
| 35 | struct goldfish_battery_state { |
| 36 | struct goldfish_device dev; |
| 37 | // IRQs |
| 38 | uint32_t int_status; |
| 39 | // irq enable mask for int_status |
| 40 | uint32_t int_enable; |
| 41 | |
| 42 | int ac_online; |
| 43 | int status; |
| 44 | int health; |
| 45 | int present; |
| 46 | int capacity; |
| 47 | }; |
| 48 | |
| 49 | /* update this each time you update the battery_state struct */ |
| 50 | #define BATTERY_STATE_SAVE_VERSION 1 |
| 51 | |
| 52 | #define QFIELD_STRUCT struct goldfish_battery_state |
| 53 | QFIELD_BEGIN(goldfish_battery_fields) |
| 54 | QFIELD_INT32(int_status), |
| 55 | QFIELD_INT32(int_enable), |
| 56 | QFIELD_INT32(ac_online), |
| 57 | QFIELD_INT32(status), |
| 58 | QFIELD_INT32(health), |
| 59 | QFIELD_INT32(present), |
| 60 | QFIELD_INT32(capacity), |
| 61 | QFIELD_END |
| 62 | |
| 63 | static void goldfish_battery_save(QEMUFile* f, void* opaque) |
| 64 | { |
| 65 | struct goldfish_battery_state* s = opaque; |
| 66 | |
| 67 | qemu_put_struct(f, goldfish_battery_fields, s); |
| 68 | } |
| 69 | |
| 70 | static int goldfish_battery_load(QEMUFile* f, void* opaque, int version_id) |
| 71 | { |
| 72 | struct goldfish_battery_state* s = opaque; |
| 73 | |
| 74 | if (version_id != BATTERY_STATE_SAVE_VERSION) |
| 75 | return -1; |
| 76 | |
| 77 | return qemu_get_struct(f, goldfish_battery_fields, s); |
| 78 | } |
| 79 | |
| 80 | static struct goldfish_battery_state *battery_state; |
| 81 | |
| 82 | static uint32_t goldfish_battery_read(void *opaque, target_phys_addr_t offset) |
| 83 | { |
| 84 | uint32_t ret; |
| 85 | struct goldfish_battery_state *s = opaque; |
David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 86 | |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 87 | switch(offset) { |
| 88 | case BATTERY_INT_STATUS: |
| 89 | // return current buffer status flags |
| 90 | ret = s->int_status & s->int_enable; |
| 91 | if (ret) { |
| 92 | goldfish_device_set_irq(&s->dev, 0, 0); |
| 93 | s->int_status = 0; |
| 94 | } |
| 95 | return ret; |
| 96 | |
| 97 | case BATTERY_INT_ENABLE: |
| 98 | return s->int_enable; |
| 99 | case BATTERY_AC_ONLINE: |
| 100 | return s->ac_online; |
| 101 | case BATTERY_STATUS: |
| 102 | return s->status; |
| 103 | case BATTERY_HEALTH: |
| 104 | return s->health; |
| 105 | case BATTERY_PRESENT: |
| 106 | return s->present; |
| 107 | case BATTERY_CAPACITY: |
| 108 | return s->capacity; |
| 109 | |
| 110 | default: |
| 111 | cpu_abort (cpu_single_env, "goldfish_battery_read: Bad offset %x\n", offset); |
| 112 | return 0; |
| 113 | } |
| 114 | } |
| 115 | |
| 116 | static void goldfish_battery_write(void *opaque, target_phys_addr_t offset, uint32_t val) |
| 117 | { |
| 118 | struct goldfish_battery_state *s = opaque; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 119 | |
| 120 | switch(offset) { |
| 121 | case BATTERY_INT_ENABLE: |
| 122 | /* enable interrupts */ |
| 123 | s->int_enable = val; |
| 124 | // s->int_status = (AUDIO_INT_WRITE_BUFFER_1_EMPTY | AUDIO_INT_WRITE_BUFFER_2_EMPTY); |
| 125 | // goldfish_device_set_irq(&s->dev, 0, (s->int_status & s->int_enable)); |
| 126 | break; |
| 127 | |
| 128 | default: |
| 129 | cpu_abort (cpu_single_env, "goldfish_audio_write: Bad offset %x\n", offset); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | static CPUReadMemoryFunc *goldfish_battery_readfn[] = { |
| 134 | goldfish_battery_read, |
| 135 | goldfish_battery_read, |
| 136 | goldfish_battery_read |
| 137 | }; |
| 138 | |
| 139 | |
| 140 | static CPUWriteMemoryFunc *goldfish_battery_writefn[] = { |
| 141 | goldfish_battery_write, |
| 142 | goldfish_battery_write, |
| 143 | goldfish_battery_write |
| 144 | }; |
| 145 | |
| 146 | void goldfish_battery_init() |
| 147 | { |
| 148 | struct goldfish_battery_state *s; |
| 149 | |
| 150 | s = (struct goldfish_battery_state *)qemu_mallocz(sizeof(*s)); |
| 151 | s->dev.name = "goldfish-battery"; |
| 152 | s->dev.base = 0; // will be allocated dynamically |
| 153 | s->dev.size = 0x1000; |
| 154 | s->dev.irq_count = 1; |
| 155 | |
| 156 | // default values for the battery |
| 157 | s->ac_online = 1; |
| 158 | s->status = POWER_SUPPLY_STATUS_CHARGING; |
| 159 | s->health = POWER_SUPPLY_HEALTH_GOOD; |
| 160 | s->present = 1; // battery is present |
| 161 | s->capacity = 50; // 50% charged |
| 162 | |
| 163 | battery_state = s; |
| 164 | |
| 165 | goldfish_device_add(&s->dev, goldfish_battery_readfn, goldfish_battery_writefn, s); |
| 166 | |
| 167 | register_savevm( "battery_state", 0, BATTERY_STATE_SAVE_VERSION, |
| 168 | goldfish_battery_save, goldfish_battery_load, s); |
| 169 | } |
| 170 | |
| 171 | void goldfish_battery_set_prop(int ac, int property, int value) |
| 172 | { |
| 173 | int new_status = (ac ? AC_STATUS_CHANGED : BATTERY_STATUS_CHANGED); |
| 174 | |
| 175 | if (ac) { |
| 176 | switch (property) { |
| 177 | case POWER_SUPPLY_PROP_ONLINE: |
| 178 | battery_state->ac_online = value; |
| 179 | break; |
| 180 | } |
| 181 | } else { |
| 182 | switch (property) { |
| 183 | case POWER_SUPPLY_PROP_STATUS: |
| 184 | battery_state->status = value; |
| 185 | break; |
| 186 | case POWER_SUPPLY_PROP_HEALTH: |
| 187 | battery_state->health = value; |
| 188 | break; |
| 189 | case POWER_SUPPLY_PROP_PRESENT: |
| 190 | battery_state->present = value; |
| 191 | break; |
| 192 | case POWER_SUPPLY_PROP_CAPACITY: |
| 193 | battery_state->capacity = value; |
| 194 | break; |
| 195 | } |
| 196 | } |
| 197 | |
| 198 | if (new_status != battery_state->int_status) { |
| 199 | battery_state->int_status |= new_status; |
| 200 | goldfish_device_set_irq(&battery_state->dev, 0, (battery_state->int_status & battery_state->int_enable)); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | void goldfish_battery_display(void (* callback)(void *data, const char* string), void *data) |
| 205 | { |
Ashish Bhatia | 8344e6d | 2011-04-08 18:55:02 -0700 | [diff] [blame] | 206 | char buffer[100]; |
| 207 | const char* value; |
The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 208 | |
| 209 | sprintf(buffer, "AC: %s\r\n", (battery_state->ac_online ? "online" : "offline")); |
| 210 | callback(data, buffer); |
| 211 | |
| 212 | switch (battery_state->status) { |
| 213 | case POWER_SUPPLY_STATUS_CHARGING: |
| 214 | value = "Charging"; |
| 215 | break; |
| 216 | case POWER_SUPPLY_STATUS_DISCHARGING: |
| 217 | value = "Discharging"; |
| 218 | break; |
| 219 | case POWER_SUPPLY_STATUS_NOT_CHARGING: |
| 220 | value = "Not charging"; |
| 221 | break; |
| 222 | case POWER_SUPPLY_STATUS_FULL: |
| 223 | value = "Full"; |
| 224 | break; |
| 225 | default: |
| 226 | value = "Unknown"; |
| 227 | break; |
| 228 | } |
| 229 | sprintf(buffer, "status: %s\r\n", value); |
| 230 | callback(data, buffer); |
| 231 | |
| 232 | switch (battery_state->health) { |
| 233 | case POWER_SUPPLY_HEALTH_GOOD: |
| 234 | value = "Good"; |
| 235 | break; |
| 236 | case POWER_SUPPLY_HEALTH_OVERHEAT: |
| 237 | value = "Overhead"; |
| 238 | break; |
| 239 | case POWER_SUPPLY_HEALTH_DEAD: |
| 240 | value = "Dead"; |
| 241 | break; |
| 242 | case POWER_SUPPLY_HEALTH_OVERVOLTAGE: |
| 243 | value = "Overvoltage"; |
| 244 | break; |
| 245 | case POWER_SUPPLY_HEALTH_UNSPEC_FAILURE: |
| 246 | value = "Unspecified failure"; |
| 247 | break; |
| 248 | default: |
| 249 | value = "Unknown"; |
| 250 | break; |
| 251 | } |
| 252 | sprintf(buffer, "health: %s\r\n", value); |
| 253 | callback(data, buffer); |
| 254 | |
| 255 | sprintf(buffer, "present: %s\r\n", (battery_state->present ? "true" : "false")); |
| 256 | callback(data, buffer); |
| 257 | |
| 258 | sprintf(buffer, "capacity: %d\r\n", battery_state->capacity); |
| 259 | callback(data, buffer); |
| 260 | } |