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mirror_qemu
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TWL92230 qdev conversion 

Signed-off-by: Paul Brook <paul@codesourcery.com>
master
Paul Brook 2009-05-14 22:35:08 +01:00
parent cdbe40ca83
commit d335681177
3 changed files with 30 additions and 46 deletions
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5
hw/i2c.h
View File

@ -88,11 +88,6 @@ void *wm8750_dac_buffer(void *opaque, int samples);
void wm8750_dac_commit(void *opaque);
void wm8750_set_bclk_in(void *opaque, int new_hz);
/* twl92230.c */
i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq);
qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c);
void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
/* tmp105.c */
void tmp105_set(i2c_slave *i2c, int temp);

6
hw/nseries.c
View File

@ -186,10 +186,8 @@ static void n8x0_i2c_setup(struct n800_s *s)
s->i2c = omap_i2c_bus(s->cpu->i2c[0]);
/* Attach a menelaus PM chip */
i2c_set_slave_address(
twl92230_init(s->i2c,
s->cpu->irq[0][OMAP_INT_24XX_SYS_NIRQ]),
N8X0_MENELAUS_ADDR);
dev = i2c_create_slave(s->i2c, "twl92230", N8X0_MENELAUS_ADDR);
qdev_connect_gpio_out(dev, 3, s->cpu->irq[0][OMAP_INT_24XX_SYS_NIRQ]);
/* Attach a TMP105 PM chip (A0 wired to ground) */
dev = i2c_create_slave(s->i2c, "tmp105", N8X0_TMP105_ADDR);

65
hw/twl92230.c
View File

@ -30,7 +30,6 @@
typedef struct {
i2c_slave i2c;
qemu_irq irq;
int firstbyte;
uint8_t reg;
@ -62,7 +61,7 @@ typedef struct {
int alm_sec;
int next_comp;
} rtc;
qemu_irq handler[3];
qemu_irq out[4];
qemu_irq *in;
int pwrbtn_state;
qemu_irq pwrbtn;
@ -70,7 +69,7 @@ typedef struct {
static inline void menelaus_update(MenelausState *s)
{
qemu_set_irq(s->irq, s->status & ~s->mask);
qemu_set_irq(s->out[3], s->status & ~s->mask);
}
static inline void menelaus_rtc_start(MenelausState *s)
@ -540,18 +539,20 @@ static void menelaus_write(void *opaque, uint8_t addr, uint8_t value)
break;
case MENELAUS_GPIO_CTRL:
for (line = 0; line < 3; line ++)
if (((s->dir ^ value) >> line) & 1)
if (s->handler[line])
qemu_set_irq(s->handler[line],
((s->outputs & ~s->dir) >> line) & 1);
for (line = 0; line < 3; line ++) {
if (((s->dir ^ value) >> line) & 1) {
qemu_set_irq(s->out[line],
((s->outputs & ~s->dir) >> line) & 1);
}
}
s->dir = value & 0x67;
break;
case MENELAUS_GPIO_OUT:
for (line = 0; line < 3; line ++)
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1)
if (s->handler[line])
qemu_set_irq(s->handler[line], (s->outputs >> line) & 1);
for (line = 0; line < 3; line ++) {
if ((((s->outputs ^ value) & ~s->dir) >> line) & 1) {
qemu_set_irq(s->out[line], (s->outputs >> line) & 1);
}
}
s->outputs = value & 0x07;
break;
@ -875,41 +876,31 @@ static int menelaus_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
i2c_slave *twl92230_init(i2c_bus *bus, qemu_irq irq)
static void twl92230_init(i2c_slave *i2c)
{
MenelausState *s = (MenelausState *)
i2c_slave_init(bus, 0, sizeof(MenelausState));
MenelausState *s = FROM_I2C_SLAVE(MenelausState, i2c);
s->i2c.event = menelaus_event;
s->i2c.recv = menelaus_rx;
s->i2c.send = menelaus_tx;
s->irq = irq;
s->rtc.hz_tm = qemu_new_timer(rt_clock, menelaus_rtc_hz, s);
s->in = qemu_allocate_irqs(menelaus_gpio_set, s, 3);
/* Three output pins plus one interrupt pin. */
qdev_init_gpio_out(&i2c->qdev, s->out, 4);
qdev_init_gpio_in(&i2c->qdev, menelaus_gpio_set, 3);
s->pwrbtn = qemu_allocate_irqs(menelaus_pwrbtn_set, s, 1)[0];
menelaus_reset(&s->i2c);
register_savevm("menelaus", -1, 0, menelaus_save, menelaus_load, s);
return &s->i2c;
}
qemu_irq *twl92230_gpio_in_get(i2c_slave *i2c)
static I2CSlaveInfo twl92230_info = {
.init = twl92230_init,
.event = menelaus_event,
.recv = menelaus_rx,
.send = menelaus_tx
};
static void twl92230_register_devices(void)
{
MenelausState *s = (MenelausState *) i2c;
return s->in;
i2c_register_slave("twl92230", sizeof(MenelausState), &twl92230_info);
}
void twl92230_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler)
{
MenelausState *s = (MenelausState *) i2c;
if (line >= 3 || line < 0) {
fprintf(stderr, "%s: No GPO line %i\n", __FUNCTION__, line);
exit(-1);
}
s->handler[line] = handler;
}
device_init(twl92230_register_devices)