diff options
Diffstat (limited to 'hw/spitz.c')
| -rw-r--r-- | hw/spitz.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/hw/spitz.c b/hw/spitz.c index 72b049e4e8..4dd59bb6e2 100644 --- a/hw/spitz.c +++ b/hw/spitz.c @@ -801,6 +801,57 @@ static void spitz_microdrive_attach(struct pxa2xx_state_s *cpu) } } +/* Wm8750 and Max7310 on I2C */ + +#define AKITA_MAX_ADDR 0x18 +#define SPITZ_WM_ADDRL 0x1a +#define SPITZ_WM_ADDRH 0x1b + +#define SPITZ_GPIO_WM 5 + +#ifdef HAS_AUDIO +static void spitz_wm8750_addr(int line, int level, void *opaque) +{ + i2c_slave *wm = (i2c_slave *) opaque; + if (level) + i2c_set_slave_address(wm, SPITZ_WM_ADDRH); + else + i2c_set_slave_address(wm, SPITZ_WM_ADDRL); +} +#endif + +static void spitz_i2c_setup(struct pxa2xx_state_s *cpu) +{ + /* Attach the CPU on one end of our I2C bus. */ + i2c_bus *bus = pxa2xx_i2c_bus(cpu->i2c[0]); + +#ifdef HAS_AUDIO + AudioState *audio; + i2c_slave *wm; + + audio = AUD_init(); + if (!audio) + return; + /* Attach a WM8750 to the bus */ + wm = wm8750_init(bus, audio); + + spitz_wm8750_addr(0, 0, wm); + pxa2xx_gpio_handler_set(cpu->gpio, SPITZ_GPIO_WM, spitz_wm8750_addr, wm); + /* .. and to the sound interface. */ + cpu->i2s->opaque = wm; + cpu->i2s->codec_out = wm8750_dac_dat; + cpu->i2s->codec_in = wm8750_adc_dat; + wm8750_data_req_set(wm, cpu->i2s->data_req, cpu->i2s); +#endif +} + +static void spitz_akita_i2c_setup(struct pxa2xx_state_s *cpu) +{ + /* Attach a Max7310 to Akita I2C bus. */ + i2c_set_slave_address(max7310_init(pxa2xx_i2c_bus(cpu->i2c[0])), + AKITA_MAX_ADDR); +} + /* Other peripherals */ static void spitz_charge_switch(int line, int level, void *opaque) @@ -1026,6 +1077,11 @@ static void spitz_common_init(int ram_size, int vga_ram_size, spitz_gpio_setup(cpu, (model == akita) ? 1 : 2); + spitz_i2c_setup(cpu); + + if (model == akita) + spitz_akita_i2c_setup(cpu); + if (model == terrier) /* A 6.0 GB microdrive is permanently sitting in CF slot 0. */ spitz_microdrive_attach(cpu); |