* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "hw.h"
typedef struct {
i2c_slave i2c;
- int i2c_dir;
- int i2c_cycle;
- int reg;
+ uint8_t i2c_dir;
+ uint8_t i2c_cycle;
+ uint8_t reg;
qemu_irq nirq;
uint16_t model;
struct {
uint8_t dbnctime;
uint8_t size;
- int start;
- int len;
+ uint8_t start;
+ uint8_t len;
uint8_t fifo[16];
} kbd;
LM832x_CMD_PWM_WRITE = 0x95, /* Write PWM script. */
LM832x_CMD_PWM_START = 0x96, /* Start PWM engine. */
LM832x_CMD_PWM_STOP = 0x97, /* Stop PWM engine. */
+ LM832x_GENERAL_ERROR = 0xff, /* There was one error.
+ Previously was represented by -1
+ This is not a command */
};
#define LM832x_MAX_KPX 8
lm_kbd_irq_update(s);
s->kbd.len = 0;
s->kbd.start = 0;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
break;
case LM832x_CMD_RESET:
lm_kbd_reset(s);
else
lm_kbd_error(s, ERR_BADPAR);
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
break;
case LM823x_CMD_WRITE_PULL_DOWN:
else {
s->gpio.pull |= value << 8;
lm_kbd_gpio_update(s);
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
}
break;
case LM832x_CMD_WRITE_PORT_SEL:
else {
s->gpio.dir |= value << 8;
lm_kbd_gpio_update(s);
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
}
break;
case LM832x_CMD_WRITE_PORT_STATE:
else {
s->gpio.mask |= value << 8;
lm_kbd_gpio_update(s);
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
}
break;
case LM832x_CMD_SET_ACTIVE:
s->acttime = value;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
break;
case LM832x_CMD_SET_DEBOUNCE:
s->kbd.dbnctime = value;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
if (!value)
lm_kbd_error(s, ERR_BADPAR);
break;
case LM832x_CMD_SET_KEY_SIZE:
s->kbd.size = value;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
if (
(value & 0xf) < 3 || (value & 0xf) > LM832x_MAX_KPY ||
(value >> 4) < 3 || (value >> 4) > LM832x_MAX_KPX)
case LM832x_CMD_WRITE_CLOCK:
s->clock = value;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
if ((value & 3) && (value & 3) != 3) {
lm_kbd_error(s, ERR_BADPAR);
fprintf(stderr, "%s: invalid clock setting in RCPWM\n",
if (byte == 0) {
if (!(value & 3) || (value >> 2) > 59) {
lm_kbd_error(s, ERR_BADPAR);
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
break;
}
s->pwm.file[s->pwm.faddr] |= value << 8;
} else if (byte == 2) {
s->pwm.file[s->pwm.faddr] |= value << 0;
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
}
break;
case LM832x_CMD_PWM_START:
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
if (!(value & 3) || (value >> 2) > 59) {
lm_kbd_error(s, ERR_BADPAR);
break;
lm_kbd_pwm_start(s, (value & 3) - 1);
break;
case LM832x_CMD_PWM_STOP:
- s->reg = -1;
+ s->reg = LM832x_GENERAL_ERROR;
if (!(value & 3)) {
lm_kbd_error(s, ERR_BADPAR);
break;
qemu_del_timer(s->pwm.tm[(value & 3) - 1]);
break;
- case -1:
+ case LM832x_GENERAL_ERROR:
lm_kbd_error(s, ERR_BADPAR);
break;
default:
return 0;
}
-static void lm_kbd_save(QEMUFile *f, void *opaque)
+static int lm_kbd_post_load(void *opaque, int version_id)
{
- LM823KbdState *s = (LM823KbdState *) opaque;
- int i;
-
- i2c_slave_save(f, &s->i2c);
- qemu_put_byte(f, s->i2c_dir);
- qemu_put_byte(f, s->i2c_cycle);
- qemu_put_byte(f, (uint8_t) s->reg);
-
- qemu_put_8s(f, &s->config);
- qemu_put_8s(f, &s->status);
- qemu_put_8s(f, &s->acttime);
- qemu_put_8s(f, &s->error);
- qemu_put_8s(f, &s->clock);
-
- qemu_put_be16s(f, &s->gpio.pull);
- qemu_put_be16s(f, &s->gpio.mask);
- qemu_put_be16s(f, &s->gpio.dir);
- qemu_put_be16s(f, &s->gpio.level);
-
- qemu_put_byte(f, s->kbd.dbnctime);
- qemu_put_byte(f, s->kbd.size);
- qemu_put_byte(f, s->kbd.start);
- qemu_put_byte(f, s->kbd.len);
- qemu_put_buffer(f, s->kbd.fifo, sizeof(s->kbd.fifo));
-
- for (i = 0; i < sizeof(s->pwm.file); i ++)
- qemu_put_be16s(f, &s->pwm.file[i]);
- qemu_put_8s(f, &s->pwm.faddr);
- qemu_put_buffer(f, s->pwm.addr, sizeof(s->pwm.addr));
- qemu_put_timer(f, s->pwm.tm[0]);
- qemu_put_timer(f, s->pwm.tm[1]);
- qemu_put_timer(f, s->pwm.tm[2]);
-}
-
-static int lm_kbd_load(QEMUFile *f, void *opaque, int version_id)
-{
- LM823KbdState *s = (LM823KbdState *) opaque;
- int i;
-
- i2c_slave_load(f, &s->i2c);
- s->i2c_dir = qemu_get_byte(f);
- s->i2c_cycle = qemu_get_byte(f);
- s->reg = (int8_t) qemu_get_byte(f);
-
- qemu_get_8s(f, &s->config);
- qemu_get_8s(f, &s->status);
- qemu_get_8s(f, &s->acttime);
- qemu_get_8s(f, &s->error);
- qemu_get_8s(f, &s->clock);
-
- qemu_get_be16s(f, &s->gpio.pull);
- qemu_get_be16s(f, &s->gpio.mask);
- qemu_get_be16s(f, &s->gpio.dir);
- qemu_get_be16s(f, &s->gpio.level);
-
- s->kbd.dbnctime = qemu_get_byte(f);
- s->kbd.size = qemu_get_byte(f);
- s->kbd.start = qemu_get_byte(f);
- s->kbd.len = qemu_get_byte(f);
- qemu_get_buffer(f, s->kbd.fifo, sizeof(s->kbd.fifo));
-
- for (i = 0; i < sizeof(s->pwm.file); i ++)
- qemu_get_be16s(f, &s->pwm.file[i]);
- qemu_get_8s(f, &s->pwm.faddr);
- qemu_get_buffer(f, s->pwm.addr, sizeof(s->pwm.addr));
- qemu_get_timer(f, s->pwm.tm[0]);
- qemu_get_timer(f, s->pwm.tm[1]);
- qemu_get_timer(f, s->pwm.tm[2]);
+ LM823KbdState *s = opaque;
lm_kbd_irq_update(s);
lm_kbd_gpio_update(s);
return 0;
}
-static void lm8323_init(i2c_slave *i2c)
+static const VMStateDescription vmstate_lm_kbd = {
+ .name = "LM8323",
+ .version_id = 0,
+ .minimum_version_id = 0,
+ .minimum_version_id_old = 0,
+ .post_load = lm_kbd_post_load,
+ .fields = (VMStateField []) {
+ VMSTATE_I2C_SLAVE(i2c, LM823KbdState),
+ VMSTATE_UINT8(i2c_dir, LM823KbdState),
+ VMSTATE_UINT8(i2c_cycle, LM823KbdState),
+ VMSTATE_UINT8(reg, LM823KbdState),
+ VMSTATE_UINT8(config, LM823KbdState),
+ VMSTATE_UINT8(status, LM823KbdState),
+ VMSTATE_UINT8(acttime, LM823KbdState),
+ VMSTATE_UINT8(error, LM823KbdState),
+ VMSTATE_UINT8(clock, LM823KbdState),
+ VMSTATE_UINT16(gpio.pull, LM823KbdState),
+ VMSTATE_UINT16(gpio.mask, LM823KbdState),
+ VMSTATE_UINT16(gpio.dir, LM823KbdState),
+ VMSTATE_UINT16(gpio.level, LM823KbdState),
+ VMSTATE_UINT8(kbd.dbnctime, LM823KbdState),
+ VMSTATE_UINT8(kbd.size, LM823KbdState),
+ VMSTATE_UINT8(kbd.start, LM823KbdState),
+ VMSTATE_UINT8(kbd.len, LM823KbdState),
+ VMSTATE_BUFFER(kbd.fifo, LM823KbdState),
+ VMSTATE_UINT16_ARRAY(pwm.file, LM823KbdState, 256),
+ VMSTATE_UINT8(pwm.faddr, LM823KbdState),
+ VMSTATE_BUFFER(pwm.addr, LM823KbdState),
+ VMSTATE_TIMER_ARRAY(pwm.tm, LM823KbdState, 3),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+
+static int lm8323_init(i2c_slave *i2c)
{
LM823KbdState *s = FROM_I2C_SLAVE(LM823KbdState, i2c);
s->model = 0x8323;
- s->pwm.tm[0] = qemu_new_timer(vm_clock, lm_kbd_pwm0_tick, s);
- s->pwm.tm[1] = qemu_new_timer(vm_clock, lm_kbd_pwm1_tick, s);
- s->pwm.tm[2] = qemu_new_timer(vm_clock, lm_kbd_pwm2_tick, s);
+ s->pwm.tm[0] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm0_tick, s);
+ s->pwm.tm[1] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm1_tick, s);
+ s->pwm.tm[2] = qemu_new_timer_ns(vm_clock, lm_kbd_pwm2_tick, s);
qdev_init_gpio_out(&i2c->qdev, &s->nirq, 1);
lm_kbd_reset(s);
- qemu_register_reset((void *) lm_kbd_reset, 0, s);
- register_savevm("LM8323", -1, 0, lm_kbd_save, lm_kbd_load, s);
+ qemu_register_reset((void *) lm_kbd_reset, s);
+ return 0;
}
void lm832x_key_event(struct i2c_slave *i2c, int key, int state)
static I2CSlaveInfo lm8323_info = {
.qdev.name = "lm8323",
.qdev.size = sizeof(LM823KbdState),
+ .qdev.vmsd = &vmstate_lm_kbd,
.init = lm8323_init,
.event = lm_i2c_event,
.recv = lm_i2c_rx,
projects / qemu.git / blobdiff