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PXA SSI qdev conversion

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Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:09 +01:00
parent 5493e33f12
commit a984a69e57
9 changed files with 264 additions and 215 deletions
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43
hw/ads7846.c
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@ -7,11 +7,11 @@
* This code is licensed under the GNU GPL v2.
*/
#include "hw.h"
#include "devices.h"
#include "ssi.h"
#include "console.h"
struct ADS7846State {
typedef struct {
SSISlave ssidev;
qemu_irq interrupt;
int input[8];
@ -20,7 +20,7 @@ struct ADS7846State {
int cycle;
int output;
};
} ADS7846State;
/* Control-byte bitfields */
#define CB_PD0 (1 << 0)
@ -52,16 +52,9 @@ static void ads7846_int_update(ADS7846State *s)
qemu_set_irq(s->interrupt, s->pressure == 0);
}
uint32_t ads7846_read(void *opaque)
static uint32_t ads7846_transfer(SSISlave *dev, uint32_t value)
{
ADS7846State *s = (ADS7846State *) opaque;
return s->output;
}
void ads7846_write(void *opaque, uint32_t value)
{
ADS7846State *s = (ADS7846State *) opaque;
ADS7846State *s = FROM_SSI_SLAVE(ADS7846State, dev);
switch (s->cycle ++) {
case 0:
@ -89,6 +82,7 @@ void ads7846_write(void *opaque, uint32_t value)
s->cycle = 0;
break;
}
return s->output;
}
static void ads7846_ts_event(void *opaque,
@ -140,14 +134,11 @@ static int ads7846_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
ADS7846State *ads7846_init(qemu_irq penirq)
static void ads7846_init(SSISlave *dev)
{
ADS7846State *s;
s = (ADS7846State *)
qemu_mallocz(sizeof(ADS7846State));
memset(s, 0, sizeof(ADS7846State));
ADS7846State *s = FROM_SSI_SLAVE(ADS7846State, dev);
s->interrupt = penirq;
qdev_init_gpio_out(&dev->qdev, &s->interrupt, 1);
s->input[0] = ADS_TEMP0; /* TEMP0 */
s->input[2] = ADS_VBAT; /* VBAT */
@ -161,6 +152,16 @@ ADS7846State *ads7846_init(qemu_irq penirq)
ads7846_int_update(s);
register_savevm("ads7846", -1, 0, ads7846_save, ads7846_load, s);
return s;
}
static SSISlaveInfo ads7846_info = {
.init = ads7846_init,
.transfer = ads7846_transfer
};
static void ads7846_register_devices(void)
{
ssi_register_slave("ads7846", sizeof(ADS7846State), &ads7846_info);
}
device_init(ads7846_register_devices)