root / hw / twl92230.c @ 0d09e41a
History | View | Annotate | Download (24.5 kB)
| 1 |
/*
|
|---|---|
| 2 |
* TI TWL92230C energy-management companion device for the OMAP24xx.
|
| 3 |
* Aka. Menelaus (N4200 MENELAUS1_V2.2)
|
| 4 |
*
|
| 5 |
* Copyright (C) 2008 Nokia Corporation
|
| 6 |
* Written by Andrzej Zaborowski <andrew@openedhand.com>
|
| 7 |
*
|
| 8 |
* This program is free software; you can redistribute it and/or
|
| 9 |
* modify it under the terms of the GNU General Public License as
|
| 10 |
* published by the Free Software Foundation; either version 2 or
|
| 11 |
* (at your option) version 3 of the License.
|
| 12 |
*
|
| 13 |
* This program is distributed in the hope that it will be useful,
|
| 14 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 15 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 16 |
* GNU General Public License for more details.
|
| 17 |
*
|
| 18 |
* You should have received a copy of the GNU General Public License along
|
| 19 |
* with this program; if not, see <http://www.gnu.org/licenses/>.
|
| 20 |
*/
|
| 21 |
|
| 22 |
#include "hw/hw.h" |
| 23 |
#include "qemu/timer.h" |
| 24 |
#include "hw/i2c/i2c.h" |
| 25 |
#include "sysemu/sysemu.h" |
| 26 |
#include "ui/console.h" |
| 27 |
|
| 28 |
#define VERBOSE 1 |
| 29 |
|
| 30 |
typedef struct { |
| 31 |
I2CSlave i2c; |
| 32 |
|
| 33 |
int firstbyte;
|
| 34 |
uint8_t reg; |
| 35 |
|
| 36 |
uint8_t vcore[5];
|
| 37 |
uint8_t dcdc[3];
|
| 38 |
uint8_t ldo[8];
|
| 39 |
uint8_t sleep[2];
|
| 40 |
uint8_t osc; |
| 41 |
uint8_t detect; |
| 42 |
uint16_t mask; |
| 43 |
uint16_t status; |
| 44 |
uint8_t dir; |
| 45 |
uint8_t inputs; |
| 46 |
uint8_t outputs; |
| 47 |
uint8_t bbsms; |
| 48 |
uint8_t pull[4];
|
| 49 |
uint8_t mmc_ctrl[3];
|
| 50 |
uint8_t mmc_debounce; |
| 51 |
struct {
|
| 52 |
uint8_t ctrl; |
| 53 |
uint16_t comp; |
| 54 |
QEMUTimer *hz_tm; |
| 55 |
int64_t next; |
| 56 |
struct tm tm;
|
| 57 |
struct tm new;
|
| 58 |
struct tm alm;
|
| 59 |
int sec_offset;
|
| 60 |
int alm_sec;
|
| 61 |
int next_comp;
|
| 62 |
} rtc; |
| 63 |
uint16_t rtc_next_vmstate; |
| 64 |
qemu_irq out[4];
|
| 65 |
uint8_t pwrbtn_state; |
| 66 |
} MenelausState; |
| 67 |
|
| 68 |
static inline void menelaus_update(MenelausState *s) |
| 69 |
{
|
| 70 |
qemu_set_irq(s->out[3], s->status & ~s->mask);
|
| 71 |
} |
| 72 |
|
| 73 |
static inline void menelaus_rtc_start(MenelausState *s) |
| 74 |
{
|
| 75 |
s->rtc.next += qemu_get_clock_ms(rtc_clock); |
| 76 |
qemu_mod_timer(s->rtc.hz_tm, s->rtc.next); |
| 77 |
} |
| 78 |
|
| 79 |
static inline void menelaus_rtc_stop(MenelausState *s) |
| 80 |
{
|
| 81 |
qemu_del_timer(s->rtc.hz_tm); |
| 82 |
s->rtc.next -= qemu_get_clock_ms(rtc_clock); |
| 83 |
if (s->rtc.next < 1) |
| 84 |
s->rtc.next = 1;
|
| 85 |
} |
| 86 |
|
| 87 |
static void menelaus_rtc_update(MenelausState *s) |
| 88 |
{
|
| 89 |
qemu_get_timedate(&s->rtc.tm, s->rtc.sec_offset); |
| 90 |
} |
| 91 |
|
| 92 |
static void menelaus_alm_update(MenelausState *s) |
| 93 |
{
|
| 94 |
if ((s->rtc.ctrl & 3) == 3) |
| 95 |
s->rtc.alm_sec = qemu_timedate_diff(&s->rtc.alm) - s->rtc.sec_offset; |
| 96 |
} |
| 97 |
|
| 98 |
static void menelaus_rtc_hz(void *opaque) |
| 99 |
{
|
| 100 |
MenelausState *s = (MenelausState *) opaque; |
| 101 |
|
| 102 |
s->rtc.next_comp --; |
| 103 |
s->rtc.alm_sec --; |
| 104 |
s->rtc.next += 1000;
|
| 105 |
qemu_mod_timer(s->rtc.hz_tm, s->rtc.next); |
| 106 |
if ((s->rtc.ctrl >> 3) & 3) { /* EVERY */ |
| 107 |
menelaus_rtc_update(s); |
| 108 |
if (((s->rtc.ctrl >> 3) & 3) == 1 && !s->rtc.tm.tm_sec) |
| 109 |
s->status |= 1 << 8; /* RTCTMR */ |
| 110 |
else if (((s->rtc.ctrl >> 3) & 3) == 2 && !s->rtc.tm.tm_min) |
| 111 |
s->status |= 1 << 8; /* RTCTMR */ |
| 112 |
else if (!s->rtc.tm.tm_hour) |
| 113 |
s->status |= 1 << 8; /* RTCTMR */ |
| 114 |
} else
|
| 115 |
s->status |= 1 << 8; /* RTCTMR */ |
| 116 |
if ((s->rtc.ctrl >> 1) & 1) { /* RTC_AL_EN */ |
| 117 |
if (s->rtc.alm_sec == 0) |
| 118 |
s->status |= 1 << 9; /* RTCALM */ |
| 119 |
/* TODO: wake-up */
|
| 120 |
} |
| 121 |
if (s->rtc.next_comp <= 0) { |
| 122 |
s->rtc.next -= muldiv64((int16_t) s->rtc.comp, 1000, 0x8000); |
| 123 |
s->rtc.next_comp = 3600;
|
| 124 |
} |
| 125 |
menelaus_update(s); |
| 126 |
} |
| 127 |
|
| 128 |
static void menelaus_reset(I2CSlave *i2c) |
| 129 |
{
|
| 130 |
MenelausState *s = (MenelausState *) i2c; |
| 131 |
s->reg = 0x00;
|
| 132 |
|
| 133 |
s->vcore[0] = 0x0c; /* XXX: X-loader needs 0x8c? check! */ |
| 134 |
s->vcore[1] = 0x05; |
| 135 |
s->vcore[2] = 0x02; |
| 136 |
s->vcore[3] = 0x0c; |
| 137 |
s->vcore[4] = 0x03; |
| 138 |
s->dcdc[0] = 0x33; /* Depends on wiring */ |
| 139 |
s->dcdc[1] = 0x03; |
| 140 |
s->dcdc[2] = 0x00; |
| 141 |
s->ldo[0] = 0x95; |
| 142 |
s->ldo[1] = 0x7e; |
| 143 |
s->ldo[2] = 0x00; |
| 144 |
s->ldo[3] = 0x00; /* Depends on wiring */ |
| 145 |
s->ldo[4] = 0x03; /* Depends on wiring */ |
| 146 |
s->ldo[5] = 0x00; |
| 147 |
s->ldo[6] = 0x00; |
| 148 |
s->ldo[7] = 0x00; |
| 149 |
s->sleep[0] = 0x00; |
| 150 |
s->sleep[1] = 0x00; |
| 151 |
s->osc = 0x01;
|
| 152 |
s->detect = 0x09;
|
| 153 |
s->mask = 0x0fff;
|
| 154 |
s->status = 0;
|
| 155 |
s->dir = 0x07;
|
| 156 |
s->outputs = 0x00;
|
| 157 |
s->bbsms = 0x00;
|
| 158 |
s->pull[0] = 0x00; |
| 159 |
s->pull[1] = 0x00; |
| 160 |
s->pull[2] = 0x00; |
| 161 |
s->pull[3] = 0x00; |
| 162 |
s->mmc_ctrl[0] = 0x03; |
| 163 |
s->mmc_ctrl[1] = 0xc0; |
| 164 |
s->mmc_ctrl[2] = 0x00; |
| 165 |
s->mmc_debounce = 0x05;
|
| 166 |
|
| 167 |
if (s->rtc.ctrl & 1) |
| 168 |
menelaus_rtc_stop(s); |
| 169 |
s->rtc.ctrl = 0x00;
|
| 170 |
s->rtc.comp = 0x0000;
|
| 171 |
s->rtc.next = 1000;
|
| 172 |
s->rtc.sec_offset = 0;
|
| 173 |
s->rtc.next_comp = 1800;
|
| 174 |
s->rtc.alm_sec = 1800;
|
| 175 |
s->rtc.alm.tm_sec = 0x00;
|
| 176 |
s->rtc.alm.tm_min = 0x00;
|
| 177 |
s->rtc.alm.tm_hour = 0x00;
|
| 178 |
s->rtc.alm.tm_mday = 0x01;
|
| 179 |
s->rtc.alm.tm_mon = 0x00;
|
| 180 |
s->rtc.alm.tm_year = 2004;
|
| 181 |
menelaus_update(s); |
| 182 |
} |
| 183 |
|
| 184 |
static void menelaus_gpio_set(void *opaque, int line, int level) |
| 185 |
{
|
| 186 |
MenelausState *s = (MenelausState *) opaque; |
| 187 |
|
| 188 |
if (line < 3) { |
| 189 |
/* No interrupt generated */
|
| 190 |
s->inputs &= ~(1 << line);
|
| 191 |
s->inputs |= level << line; |
| 192 |
return;
|
| 193 |
} |
| 194 |
|
| 195 |
if (!s->pwrbtn_state && level) {
|
| 196 |
s->status |= 1 << 11; /* PSHBTN */ |
| 197 |
menelaus_update(s); |
| 198 |
} |
| 199 |
s->pwrbtn_state = level; |
| 200 |
} |
| 201 |
|
| 202 |
#define MENELAUS_REV 0x01 |
| 203 |
#define MENELAUS_VCORE_CTRL1 0x02 |
| 204 |
#define MENELAUS_VCORE_CTRL2 0x03 |
| 205 |
#define MENELAUS_VCORE_CTRL3 0x04 |
| 206 |
#define MENELAUS_VCORE_CTRL4 0x05 |
| 207 |
#define MENELAUS_VCORE_CTRL5 0x06 |
| 208 |
#define MENELAUS_DCDC_CTRL1 0x07 |
| 209 |
#define MENELAUS_DCDC_CTRL2 0x08 |
| 210 |
#define MENELAUS_DCDC_CTRL3 0x09 |
| 211 |
#define MENELAUS_LDO_CTRL1 0x0a |
| 212 |
#define MENELAUS_LDO_CTRL2 0x0b |
| 213 |
#define MENELAUS_LDO_CTRL3 0x0c |
| 214 |
#define MENELAUS_LDO_CTRL4 0x0d |
| 215 |
#define MENELAUS_LDO_CTRL5 0x0e |
| 216 |
#define MENELAUS_LDO_CTRL6 0x0f |
| 217 |
#define MENELAUS_LDO_CTRL7 0x10 |
| 218 |
#define MENELAUS_LDO_CTRL8 0x11 |
| 219 |
#define MENELAUS_SLEEP_CTRL1 0x12 |
| 220 |
#define MENELAUS_SLEEP_CTRL2 0x13 |
| 221 |
#define MENELAUS_DEVICE_OFF 0x14 |
| 222 |
#define MENELAUS_OSC_CTRL 0x15 |
| 223 |
#define MENELAUS_DETECT_CTRL 0x16 |
| 224 |
#define MENELAUS_INT_MASK1 0x17 |
| 225 |
#define MENELAUS_INT_MASK2 0x18 |
| 226 |
#define MENELAUS_INT_STATUS1 0x19 |
| 227 |
#define MENELAUS_INT_STATUS2 0x1a |
| 228 |
#define MENELAUS_INT_ACK1 0x1b |
| 229 |
#define MENELAUS_INT_ACK2 0x1c |
| 230 |
#define MENELAUS_GPIO_CTRL 0x1d |
| 231 |
#define MENELAUS_GPIO_IN 0x1e |
| 232 |
#define MENELAUS_GPIO_OUT 0x1f |
| 233 |
#define MENELAUS_BBSMS 0x20 |
| 234 |
#define MENELAUS_RTC_CTRL 0x21 |
| 235 |
#define MENELAUS_RTC_UPDATE 0x22 |
| 236 |
#define MENELAUS_RTC_SEC 0x23 |
| 237 |
#define MENELAUS_RTC_MIN 0x24 |
| 238 |
#define MENELAUS_RTC_HR 0x25 |
| 239 |
#define MENELAUS_RTC_DAY 0x26 |
| 240 |
#define MENELAUS_RTC_MON 0x27 |
| 241 |
#define MENELAUS_RTC_YR 0x28 |
| 242 |
#define MENELAUS_RTC_WKDAY 0x29 |
| 243 |
#define MENELAUS_RTC_AL_SEC 0x2a |
| 244 |
#define MENELAUS_RTC_AL_MIN 0x2b |
| 245 |
#define MENELAUS_RTC_AL_HR 0x2c |
| 246 |
#define MENELAUS_RTC_AL_DAY 0x2d |
| 247 |
#define MENELAUS_RTC_AL_MON 0x2e |
| 248 |
#define MENELAUS_RTC_AL_YR 0x2f |
| 249 |
#define MENELAUS_RTC_COMP_MSB 0x30 |
| 250 |
#define MENELAUS_RTC_COMP_LSB 0x31 |
| 251 |
#define MENELAUS_S1_PULL_EN 0x32 |
| 252 |
#define MENELAUS_S1_PULL_DIR 0x33 |
| 253 |
#define MENELAUS_S2_PULL_EN 0x34 |
| 254 |
#define MENELAUS_S2_PULL_DIR 0x35 |
| 255 |
#define MENELAUS_MCT_CTRL1 0x36 |
| 256 |
#define MENELAUS_MCT_CTRL2 0x37 |
| 257 |
#define MENELAUS_MCT_CTRL3 0x38 |
| 258 |
#define MENELAUS_MCT_PIN_ST 0x39 |
| 259 |
#define MENELAUS_DEBOUNCE1 0x3a |
| 260 |
|
| 261 |
static uint8_t menelaus_read(void *opaque, uint8_t addr) |
| 262 |
{
|
| 263 |
MenelausState *s = (MenelausState *) opaque; |
| 264 |
int reg = 0; |
| 265 |
|
| 266 |
switch (addr) {
|
| 267 |
case MENELAUS_REV:
|
| 268 |
return 0x22; |
| 269 |
|
| 270 |
case MENELAUS_VCORE_CTRL5: reg ++;
|
| 271 |
case MENELAUS_VCORE_CTRL4: reg ++;
|
| 272 |
case MENELAUS_VCORE_CTRL3: reg ++;
|
| 273 |
case MENELAUS_VCORE_CTRL2: reg ++;
|
| 274 |
case MENELAUS_VCORE_CTRL1:
|
| 275 |
return s->vcore[reg];
|
| 276 |
|
| 277 |
case MENELAUS_DCDC_CTRL3: reg ++;
|
| 278 |
case MENELAUS_DCDC_CTRL2: reg ++;
|
| 279 |
case MENELAUS_DCDC_CTRL1:
|
| 280 |
return s->dcdc[reg];
|
| 281 |
|
| 282 |
case MENELAUS_LDO_CTRL8: reg ++;
|
| 283 |
case MENELAUS_LDO_CTRL7: reg ++;
|
| 284 |
case MENELAUS_LDO_CTRL6: reg ++;
|
| 285 |
case MENELAUS_LDO_CTRL5: reg ++;
|
| 286 |
case MENELAUS_LDO_CTRL4: reg ++;
|
| 287 |
case MENELAUS_LDO_CTRL3: reg ++;
|
| 288 |
case MENELAUS_LDO_CTRL2: reg ++;
|
| 289 |
case MENELAUS_LDO_CTRL1:
|
| 290 |
return s->ldo[reg];
|
| 291 |
|
| 292 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
| 293 |
case MENELAUS_SLEEP_CTRL1:
|
| 294 |
return s->sleep[reg];
|
| 295 |
|
| 296 |
case MENELAUS_DEVICE_OFF:
|
| 297 |
return 0; |
| 298 |
|
| 299 |
case MENELAUS_OSC_CTRL:
|
| 300 |
return s->osc | (1 << 7); /* CLK32K_GOOD */ |
| 301 |
|
| 302 |
case MENELAUS_DETECT_CTRL:
|
| 303 |
return s->detect;
|
| 304 |
|
| 305 |
case MENELAUS_INT_MASK1:
|
| 306 |
return (s->mask >> 0) & 0xff; |
| 307 |
case MENELAUS_INT_MASK2:
|
| 308 |
return (s->mask >> 8) & 0xff; |
| 309 |
|
| 310 |
case MENELAUS_INT_STATUS1:
|
| 311 |
return (s->status >> 0) & 0xff; |
| 312 |
case MENELAUS_INT_STATUS2:
|
| 313 |
return (s->status >> 8) & 0xff; |
| 314 |
|
| 315 |
case MENELAUS_INT_ACK1:
|
| 316 |
case MENELAUS_INT_ACK2:
|
| 317 |
return 0; |
| 318 |
|
| 319 |
case MENELAUS_GPIO_CTRL:
|
| 320 |
return s->dir;
|
| 321 |
case MENELAUS_GPIO_IN:
|
| 322 |
return s->inputs | (~s->dir & s->outputs);
|
| 323 |
case MENELAUS_GPIO_OUT:
|
| 324 |
return s->outputs;
|
| 325 |
|
| 326 |
case MENELAUS_BBSMS:
|
| 327 |
return s->bbsms;
|
| 328 |
|
| 329 |
case MENELAUS_RTC_CTRL:
|
| 330 |
return s->rtc.ctrl;
|
| 331 |
case MENELAUS_RTC_UPDATE:
|
| 332 |
return 0x00; |
| 333 |
case MENELAUS_RTC_SEC:
|
| 334 |
menelaus_rtc_update(s); |
| 335 |
return to_bcd(s->rtc.tm.tm_sec);
|
| 336 |
case MENELAUS_RTC_MIN:
|
| 337 |
menelaus_rtc_update(s); |
| 338 |
return to_bcd(s->rtc.tm.tm_min);
|
| 339 |
case MENELAUS_RTC_HR:
|
| 340 |
menelaus_rtc_update(s); |
| 341 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
| 342 |
return to_bcd((s->rtc.tm.tm_hour % 12) + 1) | |
| 343 |
(!!(s->rtc.tm.tm_hour >= 12) << 7); /* PM_nAM */ |
| 344 |
else
|
| 345 |
return to_bcd(s->rtc.tm.tm_hour);
|
| 346 |
case MENELAUS_RTC_DAY:
|
| 347 |
menelaus_rtc_update(s); |
| 348 |
return to_bcd(s->rtc.tm.tm_mday);
|
| 349 |
case MENELAUS_RTC_MON:
|
| 350 |
menelaus_rtc_update(s); |
| 351 |
return to_bcd(s->rtc.tm.tm_mon + 1); |
| 352 |
case MENELAUS_RTC_YR:
|
| 353 |
menelaus_rtc_update(s); |
| 354 |
return to_bcd(s->rtc.tm.tm_year - 2000); |
| 355 |
case MENELAUS_RTC_WKDAY:
|
| 356 |
menelaus_rtc_update(s); |
| 357 |
return to_bcd(s->rtc.tm.tm_wday);
|
| 358 |
case MENELAUS_RTC_AL_SEC:
|
| 359 |
return to_bcd(s->rtc.alm.tm_sec);
|
| 360 |
case MENELAUS_RTC_AL_MIN:
|
| 361 |
return to_bcd(s->rtc.alm.tm_min);
|
| 362 |
case MENELAUS_RTC_AL_HR:
|
| 363 |
if ((s->rtc.ctrl >> 2) & 1) /* MODE12_n24 */ |
| 364 |
return to_bcd((s->rtc.alm.tm_hour % 12) + 1) | |
| 365 |
(!!(s->rtc.alm.tm_hour >= 12) << 7);/* AL_PM_nAM */ |
| 366 |
else
|
| 367 |
return to_bcd(s->rtc.alm.tm_hour);
|
| 368 |
case MENELAUS_RTC_AL_DAY:
|
| 369 |
return to_bcd(s->rtc.alm.tm_mday);
|
| 370 |
case MENELAUS_RTC_AL_MON:
|
| 371 |
return to_bcd(s->rtc.alm.tm_mon + 1); |
| 372 |
case MENELAUS_RTC_AL_YR:
|
| 373 |
return to_bcd(s->rtc.alm.tm_year - 2000); |
| 374 |
case MENELAUS_RTC_COMP_MSB:
|
| 375 |
return (s->rtc.comp >> 8) & 0xff; |
| 376 |
case MENELAUS_RTC_COMP_LSB:
|
| 377 |
return (s->rtc.comp >> 0) & 0xff; |
| 378 |
|
| 379 |
case MENELAUS_S1_PULL_EN:
|
| 380 |
return s->pull[0]; |
| 381 |
case MENELAUS_S1_PULL_DIR:
|
| 382 |
return s->pull[1]; |
| 383 |
case MENELAUS_S2_PULL_EN:
|
| 384 |
return s->pull[2]; |
| 385 |
case MENELAUS_S2_PULL_DIR:
|
| 386 |
return s->pull[3]; |
| 387 |
|
| 388 |
case MENELAUS_MCT_CTRL3: reg ++;
|
| 389 |
case MENELAUS_MCT_CTRL2: reg ++;
|
| 390 |
case MENELAUS_MCT_CTRL1:
|
| 391 |
return s->mmc_ctrl[reg];
|
| 392 |
case MENELAUS_MCT_PIN_ST:
|
| 393 |
/* TODO: return the real Card Detect */
|
| 394 |
return 0; |
| 395 |
case MENELAUS_DEBOUNCE1:
|
| 396 |
return s->mmc_debounce;
|
| 397 |
|
| 398 |
default:
|
| 399 |
#ifdef VERBOSE
|
| 400 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
| 401 |
#endif
|
| 402 |
break;
|
| 403 |
} |
| 404 |
return 0; |
| 405 |
} |
| 406 |
|
| 407 |
static void menelaus_write(void *opaque, uint8_t addr, uint8_t value) |
| 408 |
{
|
| 409 |
MenelausState *s = (MenelausState *) opaque; |
| 410 |
int line;
|
| 411 |
int reg = 0; |
| 412 |
struct tm tm;
|
| 413 |
|
| 414 |
switch (addr) {
|
| 415 |
case MENELAUS_VCORE_CTRL1:
|
| 416 |
s->vcore[0] = (value & 0xe) | MIN(value & 0x1f, 0x12); |
| 417 |
break;
|
| 418 |
case MENELAUS_VCORE_CTRL2:
|
| 419 |
s->vcore[1] = value;
|
| 420 |
break;
|
| 421 |
case MENELAUS_VCORE_CTRL3:
|
| 422 |
s->vcore[2] = MIN(value & 0x1f, 0x12); |
| 423 |
break;
|
| 424 |
case MENELAUS_VCORE_CTRL4:
|
| 425 |
s->vcore[3] = MIN(value & 0x1f, 0x12); |
| 426 |
break;
|
| 427 |
case MENELAUS_VCORE_CTRL5:
|
| 428 |
s->vcore[4] = value & 3; |
| 429 |
/* XXX
|
| 430 |
* auto set to 3 on M_Active, nRESWARM
|
| 431 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 432 |
*/
|
| 433 |
break;
|
| 434 |
|
| 435 |
case MENELAUS_DCDC_CTRL1:
|
| 436 |
s->dcdc[0] = value & 0x3f; |
| 437 |
break;
|
| 438 |
case MENELAUS_DCDC_CTRL2:
|
| 439 |
s->dcdc[1] = value & 0x07; |
| 440 |
/* XXX
|
| 441 |
* auto set to 3 on M_Active, nRESWARM
|
| 442 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 443 |
*/
|
| 444 |
break;
|
| 445 |
case MENELAUS_DCDC_CTRL3:
|
| 446 |
s->dcdc[2] = value & 0x07; |
| 447 |
break;
|
| 448 |
|
| 449 |
case MENELAUS_LDO_CTRL1:
|
| 450 |
s->ldo[0] = value;
|
| 451 |
break;
|
| 452 |
case MENELAUS_LDO_CTRL2:
|
| 453 |
s->ldo[1] = value & 0x7f; |
| 454 |
/* XXX
|
| 455 |
* auto set to 0x7e on M_WaitOn, M_Backup
|
| 456 |
*/
|
| 457 |
break;
|
| 458 |
case MENELAUS_LDO_CTRL3:
|
| 459 |
s->ldo[2] = value & 3; |
| 460 |
/* XXX
|
| 461 |
* auto set to 3 on M_Active, nRESWARM
|
| 462 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 463 |
*/
|
| 464 |
break;
|
| 465 |
case MENELAUS_LDO_CTRL4:
|
| 466 |
s->ldo[3] = value & 3; |
| 467 |
/* XXX
|
| 468 |
* auto set to 3 on M_Active, nRESWARM
|
| 469 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 470 |
*/
|
| 471 |
break;
|
| 472 |
case MENELAUS_LDO_CTRL5:
|
| 473 |
s->ldo[4] = value & 3; |
| 474 |
/* XXX
|
| 475 |
* auto set to 3 on M_Active, nRESWARM
|
| 476 |
* auto set to 0 on M_WaitOn, M_Backup
|
| 477 |
*/
|
| 478 |
break;
|
| 479 |
case MENELAUS_LDO_CTRL6:
|
| 480 |
s->ldo[5] = value & 3; |
| 481 |
break;
|
| 482 |
case MENELAUS_LDO_CTRL7:
|
| 483 |
s->ldo[6] = value & 3; |
| 484 |
break;
|
| 485 |
case MENELAUS_LDO_CTRL8:
|
| 486 |
s->ldo[7] = value & 3; |
| 487 |
break;
|
| 488 |
|
| 489 |
case MENELAUS_SLEEP_CTRL2: reg ++;
|
| 490 |
case MENELAUS_SLEEP_CTRL1:
|
| 491 |
s->sleep[reg] = value; |
| 492 |
break;
|
| 493 |
|
| 494 |
case MENELAUS_DEVICE_OFF:
|
| 495 |
if (value & 1) |
| 496 |
menelaus_reset(&s->i2c); |
| 497 |
break;
|
| 498 |
|
| 499 |
case MENELAUS_OSC_CTRL:
|
| 500 |
s->osc = value & 7;
|
| 501 |
break;
|
| 502 |
|
| 503 |
case MENELAUS_DETECT_CTRL:
|
| 504 |
s->detect = value & 0x7f;
|
| 505 |
break;
|
| 506 |
|
| 507 |
case MENELAUS_INT_MASK1:
|
| 508 |
s->mask &= 0xf00;
|
| 509 |
s->mask |= value << 0;
|
| 510 |
menelaus_update(s); |
| 511 |
break;
|
| 512 |
case MENELAUS_INT_MASK2:
|
| 513 |
s->mask &= 0x0ff;
|
| 514 |
s->mask |= value << 8;
|
| 515 |
menelaus_update(s); |
| 516 |
break;
|
| 517 |
|
| 518 |
case MENELAUS_INT_ACK1:
|
| 519 |
s->status &= ~(((uint16_t) value) << 0);
|
| 520 |
menelaus_update(s); |
| 521 |
break;
|
| 522 |
case MENELAUS_INT_ACK2:
|
| 523 |
s->status &= ~(((uint16_t) value) << 8);
|
| 524 |
menelaus_update(s); |
| 525 |
break;
|
| 526 |
|
| 527 |
case MENELAUS_GPIO_CTRL:
|
| 528 |
for (line = 0; line < 3; line ++) { |
| 529 |
if (((s->dir ^ value) >> line) & 1) { |
| 530 |
qemu_set_irq(s->out[line], |
| 531 |
((s->outputs & ~s->dir) >> line) & 1);
|
| 532 |
} |
| 533 |
} |
| 534 |
s->dir = value & 0x67;
|
| 535 |
break;
|
| 536 |
case MENELAUS_GPIO_OUT:
|
| 537 |
for (line = 0; line < 3; line ++) { |
| 538 |
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) { |
| 539 |
qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
|
| 540 |
} |
| 541 |
} |
| 542 |
s->outputs = value & 0x07;
|
| 543 |
break;
|
| 544 |
|
| 545 |
case MENELAUS_BBSMS:
|
| 546 |
s->bbsms = 0x0d;
|
| 547 |
break;
|
| 548 |
|
| 549 |
case MENELAUS_RTC_CTRL:
|
| 550 |
if ((s->rtc.ctrl ^ value) & 1) { /* RTC_EN */ |
| 551 |
if (value & 1) |
| 552 |
menelaus_rtc_start(s); |
| 553 |
else
|
| 554 |
menelaus_rtc_stop(s); |
| 555 |
} |
| 556 |
s->rtc.ctrl = value & 0x1f;
|
| 557 |
menelaus_alm_update(s); |
| 558 |
break;
|
| 559 |
case MENELAUS_RTC_UPDATE:
|
| 560 |
menelaus_rtc_update(s); |
| 561 |
memcpy(&tm, &s->rtc.tm, sizeof(tm));
|
| 562 |
switch (value & 0xf) { |
| 563 |
case 0: |
| 564 |
break;
|
| 565 |
case 1: |
| 566 |
tm.tm_sec = s->rtc.new.tm_sec; |
| 567 |
break;
|
| 568 |
case 2: |
| 569 |
tm.tm_min = s->rtc.new.tm_min; |
| 570 |
break;
|
| 571 |
case 3: |
| 572 |
if (s->rtc.new.tm_hour > 23) |
| 573 |
goto rtc_badness;
|
| 574 |
tm.tm_hour = s->rtc.new.tm_hour; |
| 575 |
break;
|
| 576 |
case 4: |
| 577 |
if (s->rtc.new.tm_mday < 1) |
| 578 |
goto rtc_badness;
|
| 579 |
/* TODO check range */
|
| 580 |
tm.tm_mday = s->rtc.new.tm_mday; |
| 581 |
break;
|
| 582 |
case 5: |
| 583 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
| 584 |
goto rtc_badness;
|
| 585 |
tm.tm_mon = s->rtc.new.tm_mon; |
| 586 |
break;
|
| 587 |
case 6: |
| 588 |
tm.tm_year = s->rtc.new.tm_year; |
| 589 |
break;
|
| 590 |
case 7: |
| 591 |
/* TODO set .tm_mday instead */
|
| 592 |
tm.tm_wday = s->rtc.new.tm_wday; |
| 593 |
break;
|
| 594 |
case 8: |
| 595 |
if (s->rtc.new.tm_hour > 23) |
| 596 |
goto rtc_badness;
|
| 597 |
if (s->rtc.new.tm_mday < 1) |
| 598 |
goto rtc_badness;
|
| 599 |
if (s->rtc.new.tm_mon < 0 || s->rtc.new.tm_mon > 11) |
| 600 |
goto rtc_badness;
|
| 601 |
tm.tm_sec = s->rtc.new.tm_sec; |
| 602 |
tm.tm_min = s->rtc.new.tm_min; |
| 603 |
tm.tm_hour = s->rtc.new.tm_hour; |
| 604 |
tm.tm_mday = s->rtc.new.tm_mday; |
| 605 |
tm.tm_mon = s->rtc.new.tm_mon; |
| 606 |
tm.tm_year = s->rtc.new.tm_year; |
| 607 |
break;
|
| 608 |
rtc_badness:
|
| 609 |
default:
|
| 610 |
fprintf(stderr, "%s: bad RTC_UPDATE value %02x\n",
|
| 611 |
__FUNCTION__, value); |
| 612 |
s->status |= 1 << 10; /* RTCERR */ |
| 613 |
menelaus_update(s); |
| 614 |
} |
| 615 |
s->rtc.sec_offset = qemu_timedate_diff(&tm); |
| 616 |
break;
|
| 617 |
case MENELAUS_RTC_SEC:
|
| 618 |
s->rtc.tm.tm_sec = from_bcd(value & 0x7f);
|
| 619 |
break;
|
| 620 |
case MENELAUS_RTC_MIN:
|
| 621 |
s->rtc.tm.tm_min = from_bcd(value & 0x7f);
|
| 622 |
break;
|
| 623 |
case MENELAUS_RTC_HR:
|
| 624 |
s->rtc.tm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
| 625 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
| 626 |
from_bcd(value & 0x3f);
|
| 627 |
break;
|
| 628 |
case MENELAUS_RTC_DAY:
|
| 629 |
s->rtc.tm.tm_mday = from_bcd(value); |
| 630 |
break;
|
| 631 |
case MENELAUS_RTC_MON:
|
| 632 |
s->rtc.tm.tm_mon = MAX(1, from_bcd(value)) - 1; |
| 633 |
break;
|
| 634 |
case MENELAUS_RTC_YR:
|
| 635 |
s->rtc.tm.tm_year = 2000 + from_bcd(value);
|
| 636 |
break;
|
| 637 |
case MENELAUS_RTC_WKDAY:
|
| 638 |
s->rtc.tm.tm_mday = from_bcd(value); |
| 639 |
break;
|
| 640 |
case MENELAUS_RTC_AL_SEC:
|
| 641 |
s->rtc.alm.tm_sec = from_bcd(value & 0x7f);
|
| 642 |
menelaus_alm_update(s); |
| 643 |
break;
|
| 644 |
case MENELAUS_RTC_AL_MIN:
|
| 645 |
s->rtc.alm.tm_min = from_bcd(value & 0x7f);
|
| 646 |
menelaus_alm_update(s); |
| 647 |
break;
|
| 648 |
case MENELAUS_RTC_AL_HR:
|
| 649 |
s->rtc.alm.tm_hour = (s->rtc.ctrl & (1 << 2)) ? /* MODE12_n24 */ |
| 650 |
MIN(from_bcd(value & 0x3f), 12) + ((value >> 7) ? 11 : -1) : |
| 651 |
from_bcd(value & 0x3f);
|
| 652 |
menelaus_alm_update(s); |
| 653 |
break;
|
| 654 |
case MENELAUS_RTC_AL_DAY:
|
| 655 |
s->rtc.alm.tm_mday = from_bcd(value); |
| 656 |
menelaus_alm_update(s); |
| 657 |
break;
|
| 658 |
case MENELAUS_RTC_AL_MON:
|
| 659 |
s->rtc.alm.tm_mon = MAX(1, from_bcd(value)) - 1; |
| 660 |
menelaus_alm_update(s); |
| 661 |
break;
|
| 662 |
case MENELAUS_RTC_AL_YR:
|
| 663 |
s->rtc.alm.tm_year = 2000 + from_bcd(value);
|
| 664 |
menelaus_alm_update(s); |
| 665 |
break;
|
| 666 |
case MENELAUS_RTC_COMP_MSB:
|
| 667 |
s->rtc.comp &= 0xff;
|
| 668 |
s->rtc.comp |= value << 8;
|
| 669 |
break;
|
| 670 |
case MENELAUS_RTC_COMP_LSB:
|
| 671 |
s->rtc.comp &= 0xff << 8; |
| 672 |
s->rtc.comp |= value; |
| 673 |
break;
|
| 674 |
|
| 675 |
case MENELAUS_S1_PULL_EN:
|
| 676 |
s->pull[0] = value;
|
| 677 |
break;
|
| 678 |
case MENELAUS_S1_PULL_DIR:
|
| 679 |
s->pull[1] = value & 0x1f; |
| 680 |
break;
|
| 681 |
case MENELAUS_S2_PULL_EN:
|
| 682 |
s->pull[2] = value;
|
| 683 |
break;
|
| 684 |
case MENELAUS_S2_PULL_DIR:
|
| 685 |
s->pull[3] = value & 0x1f; |
| 686 |
break;
|
| 687 |
|
| 688 |
case MENELAUS_MCT_CTRL1:
|
| 689 |
s->mmc_ctrl[0] = value & 0x7f; |
| 690 |
break;
|
| 691 |
case MENELAUS_MCT_CTRL2:
|
| 692 |
s->mmc_ctrl[1] = value;
|
| 693 |
/* TODO update Card Detect interrupts */
|
| 694 |
break;
|
| 695 |
case MENELAUS_MCT_CTRL3:
|
| 696 |
s->mmc_ctrl[2] = value & 0xf; |
| 697 |
break;
|
| 698 |
case MENELAUS_DEBOUNCE1:
|
| 699 |
s->mmc_debounce = value & 0x3f;
|
| 700 |
break;
|
| 701 |
|
| 702 |
default:
|
| 703 |
#ifdef VERBOSE
|
| 704 |
printf("%s: unknown register %02x\n", __FUNCTION__, addr);
|
| 705 |
#endif
|
| 706 |
} |
| 707 |
} |
| 708 |
|
| 709 |
static void menelaus_event(I2CSlave *i2c, enum i2c_event event) |
| 710 |
{
|
| 711 |
MenelausState *s = (MenelausState *) i2c; |
| 712 |
|
| 713 |
if (event == I2C_START_SEND)
|
| 714 |
s->firstbyte = 1;
|
| 715 |
} |
| 716 |
|
| 717 |
static int menelaus_tx(I2CSlave *i2c, uint8_t data) |
| 718 |
{
|
| 719 |
MenelausState *s = (MenelausState *) i2c; |
| 720 |
/* Interpret register address byte */
|
| 721 |
if (s->firstbyte) {
|
| 722 |
s->reg = data; |
| 723 |
s->firstbyte = 0;
|
| 724 |
} else
|
| 725 |
menelaus_write(s, s->reg ++, data); |
| 726 |
|
| 727 |
return 0; |
| 728 |
} |
| 729 |
|
| 730 |
static int menelaus_rx(I2CSlave *i2c) |
| 731 |
{
|
| 732 |
MenelausState *s = (MenelausState *) i2c; |
| 733 |
|
| 734 |
return menelaus_read(s, s->reg ++);
|
| 735 |
} |
| 736 |
|
| 737 |
/* Save restore 32 bit int as uint16_t
|
| 738 |
This is a Big hack, but it is how the old state did it.
|
| 739 |
Or we broke compatibility in the state, or we can't use struct tm
|
| 740 |
*/
|
| 741 |
|
| 742 |
static int get_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
| 743 |
{
|
| 744 |
int *v = pv;
|
| 745 |
*v = qemu_get_be16(f); |
| 746 |
return 0; |
| 747 |
} |
| 748 |
|
| 749 |
static void put_int32_as_uint16(QEMUFile *f, void *pv, size_t size) |
| 750 |
{
|
| 751 |
int *v = pv;
|
| 752 |
qemu_put_be16(f, *v); |
| 753 |
} |
| 754 |
|
| 755 |
static const VMStateInfo vmstate_hack_int32_as_uint16 = { |
| 756 |
.name = "int32_as_uint16",
|
| 757 |
.get = get_int32_as_uint16, |
| 758 |
.put = put_int32_as_uint16, |
| 759 |
}; |
| 760 |
|
| 761 |
#define VMSTATE_UINT16_HACK(_f, _s) \
|
| 762 |
VMSTATE_SINGLE(_f, _s, 0, vmstate_hack_int32_as_uint16, int32_t)
|
| 763 |
|
| 764 |
|
| 765 |
static const VMStateDescription vmstate_menelaus_tm = { |
| 766 |
.name = "menelaus_tm",
|
| 767 |
.version_id = 0,
|
| 768 |
.minimum_version_id = 0,
|
| 769 |
.minimum_version_id_old = 0,
|
| 770 |
.fields = (VMStateField []) {
|
| 771 |
VMSTATE_UINT16_HACK(tm_sec, struct tm),
|
| 772 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
| 773 |
VMSTATE_UINT16_HACK(tm_hour, struct tm),
|
| 774 |
VMSTATE_UINT16_HACK(tm_mday, struct tm),
|
| 775 |
VMSTATE_UINT16_HACK(tm_min, struct tm),
|
| 776 |
VMSTATE_UINT16_HACK(tm_year, struct tm),
|
| 777 |
VMSTATE_END_OF_LIST() |
| 778 |
} |
| 779 |
}; |
| 780 |
|
| 781 |
static void menelaus_pre_save(void *opaque) |
| 782 |
{
|
| 783 |
MenelausState *s = opaque; |
| 784 |
/* Should be <= 1000 */
|
| 785 |
s->rtc_next_vmstate = s->rtc.next - qemu_get_clock_ms(rtc_clock); |
| 786 |
} |
| 787 |
|
| 788 |
static int menelaus_post_load(void *opaque, int version_id) |
| 789 |
{
|
| 790 |
MenelausState *s = opaque; |
| 791 |
|
| 792 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
| 793 |
menelaus_rtc_stop(s); |
| 794 |
|
| 795 |
s->rtc.next = s->rtc_next_vmstate; |
| 796 |
|
| 797 |
menelaus_alm_update(s); |
| 798 |
menelaus_update(s); |
| 799 |
if (s->rtc.ctrl & 1) /* RTC_EN */ |
| 800 |
menelaus_rtc_start(s); |
| 801 |
return 0; |
| 802 |
} |
| 803 |
|
| 804 |
static const VMStateDescription vmstate_menelaus = { |
| 805 |
.name = "menelaus",
|
| 806 |
.version_id = 0,
|
| 807 |
.minimum_version_id = 0,
|
| 808 |
.minimum_version_id_old = 0,
|
| 809 |
.pre_save = menelaus_pre_save, |
| 810 |
.post_load = menelaus_post_load, |
| 811 |
.fields = (VMStateField []) {
|
| 812 |
VMSTATE_INT32(firstbyte, MenelausState), |
| 813 |
VMSTATE_UINT8(reg, MenelausState), |
| 814 |
VMSTATE_UINT8_ARRAY(vcore, MenelausState, 5),
|
| 815 |
VMSTATE_UINT8_ARRAY(dcdc, MenelausState, 3),
|
| 816 |
VMSTATE_UINT8_ARRAY(ldo, MenelausState, 8),
|
| 817 |
VMSTATE_UINT8_ARRAY(sleep, MenelausState, 2),
|
| 818 |
VMSTATE_UINT8(osc, MenelausState), |
| 819 |
VMSTATE_UINT8(detect, MenelausState), |
| 820 |
VMSTATE_UINT16(mask, MenelausState), |
| 821 |
VMSTATE_UINT16(status, MenelausState), |
| 822 |
VMSTATE_UINT8(dir, MenelausState), |
| 823 |
VMSTATE_UINT8(inputs, MenelausState), |
| 824 |
VMSTATE_UINT8(outputs, MenelausState), |
| 825 |
VMSTATE_UINT8(bbsms, MenelausState), |
| 826 |
VMSTATE_UINT8_ARRAY(pull, MenelausState, 4),
|
| 827 |
VMSTATE_UINT8_ARRAY(mmc_ctrl, MenelausState, 3),
|
| 828 |
VMSTATE_UINT8(mmc_debounce, MenelausState), |
| 829 |
VMSTATE_UINT8(rtc.ctrl, MenelausState), |
| 830 |
VMSTATE_UINT16(rtc.comp, MenelausState), |
| 831 |
VMSTATE_UINT16(rtc_next_vmstate, MenelausState), |
| 832 |
VMSTATE_STRUCT(rtc.new, MenelausState, 0, vmstate_menelaus_tm,
|
| 833 |
struct tm),
|
| 834 |
VMSTATE_STRUCT(rtc.alm, MenelausState, 0, vmstate_menelaus_tm,
|
| 835 |
struct tm),
|
| 836 |
VMSTATE_UINT8(pwrbtn_state, MenelausState), |
| 837 |
VMSTATE_I2C_SLAVE(i2c, MenelausState), |
| 838 |
VMSTATE_END_OF_LIST() |
| 839 |
} |
| 840 |
}; |
| 841 |
|
| 842 |
static int twl92230_init(I2CSlave *i2c) |
| 843 |
{
|
| 844 |
MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c); |
| 845 |
|
| 846 |
s->rtc.hz_tm = qemu_new_timer_ms(rtc_clock, menelaus_rtc_hz, s); |
| 847 |
/* Three output pins plus one interrupt pin. */
|
| 848 |
qdev_init_gpio_out(&i2c->qdev, s->out, 4);
|
| 849 |
|
| 850 |
/* Three input pins plus one power-button pin. */
|
| 851 |
qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 4);
|
| 852 |
|
| 853 |
menelaus_reset(&s->i2c); |
| 854 |
|
| 855 |
return 0; |
| 856 |
} |
| 857 |
|
| 858 |
static void twl92230_class_init(ObjectClass *klass, void *data) |
| 859 |
{
|
| 860 |
DeviceClass *dc = DEVICE_CLASS(klass); |
| 861 |
I2CSlaveClass *sc = I2C_SLAVE_CLASS(klass); |
| 862 |
|
| 863 |
sc->init = twl92230_init; |
| 864 |
sc->event = menelaus_event; |
| 865 |
sc->recv = menelaus_rx; |
| 866 |
sc->send = menelaus_tx; |
| 867 |
dc->vmsd = &vmstate_menelaus; |
| 868 |
} |
| 869 |
|
| 870 |
static const TypeInfo twl92230_info = { |
| 871 |
.name = "twl92230",
|
| 872 |
.parent = TYPE_I2C_SLAVE, |
| 873 |
.instance_size = sizeof(MenelausState),
|
| 874 |
.class_init = twl92230_class_init, |
| 875 |
}; |
| 876 |
|
| 877 |
static void twl92230_register_types(void) |
| 878 |
{
|
| 879 |
type_register_static(&twl92230_info); |
| 880 |
} |
| 881 |
|
| 882 |
type_init(twl92230_register_types) |