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Add WM8750 and MAX7310 chips (I2C slaves).

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Wolfson Microsystems WM8750 audio chip and Maxim MAX7310 gpio expander chip are used in the Spitz.


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2854 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-05-23 22:04:23 +00:00
parent 3f582262e5
commit adb86c372e
5 changed files with 805 additions and 2 deletions
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56
hw/spitz.c
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@ -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);