haraldwolff/qemu-patch-raspberry4
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WM8750 qdev coversion

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Signed-off-by: Paul Brook <paul@codesourcery.com>
This commit is contained in:
Paul Brook 2009-05-14 22:35:08 +01:00
parent 697454eb8e
commit cdbe40ca83
4 changed files with 24 additions and 21 deletions
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4
hw/i2c.h
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@ -80,9 +80,7 @@ qemu_irq *max7310_gpio_in_get(i2c_slave *i2c);
void max7310_gpio_out_set(i2c_slave *i2c, int line, qemu_irq handler);
/* wm8750.c */
i2c_slave *wm8750_init(i2c_bus *bus);
void wm8750_reset(i2c_slave *i2c);
void wm8750_data_req_set(i2c_slave *i2c,
void wm8750_data_req_set(DeviceState *dev,
void (*data_req)(void *, int, int), void *opaque);
void wm8750_dac_dat(void *opaque, uint32_t sample);
uint32_t wm8750_adc_dat(void *opaque);

7
hw/musicpal.c
View file

@ -235,7 +235,7 @@ typedef struct musicpal_audio_state {
unsigned int play_pos;
unsigned int last_free;
uint32_t clock_div;
i2c_slave *wm;
DeviceState *wm;
} musicpal_audio_state;
static void audio_callback(void *opaque, int free_out, int free_in)
@ -434,10 +434,7 @@ static i2c_interface *musicpal_audio_init(qemu_irq irq)
i2c->bus = i2c_init_bus();
i2c->current_addr = -1;
s->wm = wm8750_init(i2c->bus);
if (!s->wm)
return NULL;
i2c_set_slave_address(s->wm, MP_WM_ADDR);
s->wm = i2c_create_slave(i2c->bus, "wm8750", MP_WM_ADDR);
wm8750_data_req_set(s->wm, audio_callback, s);
iomemtype = cpu_register_io_memory(0, musicpal_audio_readfn,

4
hw/spitz.c
View file

@ -740,10 +740,10 @@ static void spitz_i2c_setup(PXA2xxState *cpu)
i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]);
#ifdef HAS_AUDIO
i2c_slave *wm;
DeviceState *wm;
/* Attach a WM8750 to the bus */
wm = wm8750_init(bus);
wm = i2c_create_slave(bus, "wm8750", 0);
spitz_wm8750_addr(wm, 0, 0);
pxa2xx_gpio_out_set(cpu->gpio, SPITZ_GPIO_WM,

30
hw/wm8750.c
View file

@ -259,7 +259,7 @@ static void wm8750_clk_update(WM8750State *s, int ext)
}
}
void wm8750_reset(i2c_slave *i2c)
static void wm8750_reset(i2c_slave *i2c)
{
WM8750State *s = (WM8750State *) i2c;
s->rate = &wm_rate_table[0];
@ -645,20 +645,14 @@ static int wm8750_load(QEMUFile *f, void *opaque, int version_id)
return 0;
}
i2c_slave *wm8750_init(i2c_bus *bus)
static void wm8750_init(i2c_slave *i2c)
{
WM8750State *s = (WM8750State *)
i2c_slave_init(bus, 0, sizeof(WM8750State));
s->i2c.event = wm8750_event;
s->i2c.recv = wm8750_rx;
s->i2c.send = wm8750_tx;
WM8750State *s = FROM_I2C_SLAVE(WM8750State, i2c);
AUD_register_card(CODEC, &s->card);
wm8750_reset(&s->i2c);
register_savevm(CODEC, -1, 0, wm8750_save, wm8750_load, s);
return &s->i2c;
}
#if 0
@ -671,10 +665,10 @@ static void wm8750_fini(i2c_slave *i2c)
}
#endif
void wm8750_data_req_set(i2c_slave *i2c,
void wm8750_data_req_set(DeviceState *dev,
void (*data_req)(void *, int, int), void *opaque)
{
WM8750State *s = (WM8750State *) i2c;
WM8750State *s = FROM_I2C_SLAVE(WM8750State, I2C_SLAVE_FROM_QDEV(dev));
s->data_req = data_req;
s->opaque = opaque;
}
@ -730,3 +724,17 @@ void wm8750_set_bclk_in(void *opaque, int new_hz)
s->ext_dac_hz = new_hz;
wm8750_clk_update(s, 1);
}
static I2CSlaveInfo wm8750_info = {
.init = wm8750_init,
.event = wm8750_event,
.recv = wm8750_rx,
.send = wm8750_tx
};
static void wm8750_register_devices(void)
{
i2c_register_slave("wm8750", sizeof(WM8750State), &wm8750_info);
}
device_init(wm8750_register_devices)