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Diffstat (limited to 'hw/wm8750.c')
-rw-r--r--hw/wm8750.c65
1 files changed, 32 insertions, 33 deletions
diff --git a/hw/wm8750.c b/hw/wm8750.c
index 02d5f5e..7086a79 100644
--- a/hw/wm8750.c
+++ b/hw/wm8750.c
@@ -16,8 +16,14 @@
#define CODEC "wm8750"
-struct wm_rate_s;
-struct wm8750_s {
+typedef struct {
+ int adc;
+ int adc_hz;
+ int dac;
+ int dac_hz;
+} WMRate;
+
+typedef struct {
i2c_slave i2c;
uint8_t i2c_data[2];
int i2c_len;
@@ -39,9 +45,9 @@ struct wm8750_s {
uint8_t diff[2], pol, ds, monomix[2], alc, mute;
uint8_t path[4], mpath[2], power, format;
- const struct wm_rate_s *rate;
+ const WMRate *rate;
int adc_hz, dac_hz, ext_adc_hz, ext_dac_hz, master;
-};
+} WM8750State;
/* pow(10.0, -i / 20.0) * 255, i = 0..42 */
static const uint8_t wm8750_vol_db_table[] = {
@@ -53,7 +59,7 @@ static const uint8_t wm8750_vol_db_table[] = {
#define WM8750_OUTVOL_TRANSFORM(x) wm8750_vol_db_table[(0x7f - x) / 3]
#define WM8750_INVOL_TRANSFORM(x) (x << 2)
-static inline void wm8750_in_load(struct wm8750_s *s)
+static inline void wm8750_in_load(WM8750State *s)
{
int acquired;
if (s->idx_in + s->req_in <= sizeof(s->data_in))
@@ -63,7 +69,7 @@ static inline void wm8750_in_load(struct wm8750_s *s)
sizeof(s->data_in) - s->idx_in);
}
-static inline void wm8750_out_flush(struct wm8750_s *s)
+static inline void wm8750_out_flush(WM8750State *s)
{
int sent = 0;
while (sent < s->idx_out)
@@ -74,14 +80,14 @@ static inline void wm8750_out_flush(struct wm8750_s *s)
static void wm8750_audio_in_cb(void *opaque, int avail_b)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
s->req_in = avail_b;
s->data_req(s->opaque, s->req_out >> 2, avail_b >> 2);
}
static void wm8750_audio_out_cb(void *opaque, int free_b)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
if (s->idx_out >= free_b) {
s->idx_out = free_b;
@@ -93,14 +99,7 @@ static void wm8750_audio_out_cb(void *opaque, int free_b)
s->data_req(s->opaque, s->req_out >> 2, s->req_in >> 2);
}
-struct wm_rate_s {
- int adc;
- int adc_hz;
- int dac;
- int dac_hz;
-};
-
-static const struct wm_rate_s wm_rate_table[] = {
+static const WMRate wm_rate_table[] = {
{ 256, 48000, 256, 48000 }, /* SR: 00000 */
{ 384, 48000, 384, 48000 }, /* SR: 00001 */
{ 256, 48000, 1536, 8000 }, /* SR: 00010 */
@@ -135,7 +134,7 @@ static const struct wm_rate_s wm_rate_table[] = {
{ 192, 88200, 192, 88200 }, /* SR: 11111 */
};
-static void wm8750_vol_update(struct wm8750_s *s)
+static void wm8750_vol_update(WM8750State *s)
{
/* FIXME: multiply all volumes by s->invol[2], s->invol[3] */
@@ -167,7 +166,7 @@ static void wm8750_vol_update(struct wm8750_s *s)
s->outmute[1] ? 0 : WM8750_OUTVOL_TRANSFORM(s->outvol[6]));
}
-static void wm8750_set_format(struct wm8750_s *s)
+static void wm8750_set_format(WM8750State *s)
{
int i;
struct audsettings in_fmt;
@@ -239,7 +238,7 @@ static void wm8750_set_format(struct wm8750_s *s)
AUD_set_active_out(*s->out[0], 1);
}
-static void wm8750_clk_update(struct wm8750_s *s, int ext)
+static void wm8750_clk_update(WM8750State *s, int ext)
{
if (s->master || !s->ext_dac_hz)
s->dac_hz = s->rate->dac_hz;
@@ -262,7 +261,7 @@ static void wm8750_clk_update(struct wm8750_s *s, int ext)
void wm8750_reset(i2c_slave *i2c)
{
- struct wm8750_s *s = (struct wm8750_s *) i2c;
+ WM8750State *s = (WM8750State *) i2c;
s->rate = &wm_rate_table[0];
s->enable = 0;
wm8750_clk_update(s, 1);
@@ -305,7 +304,7 @@ void wm8750_reset(i2c_slave *i2c)
static void wm8750_event(i2c_slave *i2c, enum i2c_event event)
{
- struct wm8750_s *s = (struct wm8750_s *) i2c;
+ WM8750State *s = (WM8750State *) i2c;
switch (event) {
case I2C_START_SEND:
@@ -362,7 +361,7 @@ static void wm8750_event(i2c_slave *i2c, enum i2c_event event)
static int wm8750_tx(i2c_slave *i2c, uint8_t data)
{
- struct wm8750_s *s = (struct wm8750_s *) i2c;
+ WM8750State *s = (WM8750State *) i2c;
uint8_t cmd;
uint16_t value;
@@ -567,7 +566,7 @@ static int wm8750_rx(i2c_slave *i2c)
static void wm8750_save(QEMUFile *f, void *opaque)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
int i;
qemu_put_8s(f, &s->i2c_data[0]);
qemu_put_8s(f, &s->i2c_data[1]);
@@ -607,7 +606,7 @@ static void wm8750_save(QEMUFile *f, void *opaque)
static int wm8750_load(QEMUFile *f, void *opaque, int version_id)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
int i;
qemu_get_8s(f, &s->i2c_data[0]);
qemu_get_8s(f, &s->i2c_data[1]);
@@ -648,8 +647,8 @@ static int wm8750_load(QEMUFile *f, void *opaque, int version_id)
i2c_slave *wm8750_init(i2c_bus *bus, AudioState *audio)
{
- struct wm8750_s *s = (struct wm8750_s *)
- i2c_slave_init(bus, 0, sizeof(struct wm8750_s));
+ 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;
@@ -665,7 +664,7 @@ i2c_slave *wm8750_init(i2c_bus *bus, AudioState *audio)
#if 0
static void wm8750_fini(i2c_slave *i2c)
{
- struct wm8750_s *s = (struct wm8750_s *) i2c;
+ WM8750State *s = (WM8750State *) i2c;
wm8750_reset(&s->i2c);
AUD_remove_card(&s->card);
qemu_free(s);
@@ -675,14 +674,14 @@ static void wm8750_fini(i2c_slave *i2c)
void wm8750_data_req_set(i2c_slave *i2c,
void (*data_req)(void *, int, int), void *opaque)
{
- struct wm8750_s *s = (struct wm8750_s *) i2c;
+ WM8750State *s = (WM8750State *) i2c;
s->data_req = data_req;
s->opaque = opaque;
}
void wm8750_dac_dat(void *opaque, uint32_t sample)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
*(uint32_t *) &s->data_out[s->idx_out] = sample;
s->req_out -= 4;
@@ -693,7 +692,7 @@ void wm8750_dac_dat(void *opaque, uint32_t sample)
void *wm8750_dac_buffer(void *opaque, int samples)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
/* XXX: Should check if there are <i>samples</i> free samples available */
void *ret = s->data_out + s->idx_out;
@@ -704,14 +703,14 @@ void *wm8750_dac_buffer(void *opaque, int samples)
void wm8750_dac_commit(void *opaque)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
wm8750_out_flush(s);
}
uint32_t wm8750_adc_dat(void *opaque)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
uint32_t *data;
if (s->idx_in >= sizeof(s->data_in))
@@ -725,7 +724,7 @@ uint32_t wm8750_adc_dat(void *opaque)
void wm8750_set_bclk_in(void *opaque, int new_hz)
{
- struct wm8750_s *s = (struct wm8750_s *) opaque;
+ WM8750State *s = (WM8750State *) opaque;
s->ext_adc_hz = new_hz;
s->ext_dac_hz = new_hz;
generated by cgit v1.1 at 2024-12-23 16:00:24 +0000