/*
* Tries to detect the currently attached accessory
*/
static enum accessory_jack_type detect(struct abx500_ad *dd,
int *req_det_count)
{
enum accessory_jack_type type = JACK_TYPE_DISCONNECTED;
int i;
accessory_regulator_enable(dd, REGULATOR_VAUDIO | REGULATOR_AVSWITCH);
/* enable the VAMIC1 regulator */
dd->config_hw_test_basic_carkit(dd, 0);
for (i = 0; i < ARRAY_SIZE(detect_ops); ++i) {
if (detect_hw(dd, &detect_ops[i])) {
type = detect_ops[i].type;
*req_det_count = detect_ops[i].req_det_count;
break;
}
}
dd->config_hw_test_plug_connected(dd, 0);
if (jack_supports_buttons(type))
accessory_regulator_enable(dd, REGULATOR_VAMIC1);
else
accessory_regulator_disable(dd, REGULATOR_VAMIC1 |
REGULATOR_AVSWITCH);
accessory_regulator_disable(dd, REGULATOR_VAUDIO);
return type;
}
int drv_init_hw (void) {
u16_t i, j;
/* First, detect the hardware */
if (detect_hw() != OK) {
return EIO;
}
/* PCI command register
* enable the SERR# driver, PCI bus mastering and I/O access
*/
pci_attr_w16 (dev.devind, PCI_CR, SERR_EN|PCI_MASTER|IO_ACCESS);
/* turn everything off */
pci_outl(reg(CHIP_SEL_CTRL), 0x0UL);
/* turn off legacy (legacy control is undocumented) */
pci_outl(reg(LEGACY), 0x0UL);
pci_outl(reg(LEGACY+4), 0x0UL);
/* turn off serial interface */
pci_outl(reg(SERIAL_INTERFACE_CTRL), 0x0UL);
/*pci_outl(reg(SERIAL_INTERFACE_CTRL), 0x3UL);*/
/* clear all the memory */
for (i = 0; i < 0x10; ++i) {
pci_outb(reg(MEM_PAGE), i);
for (j = 0; j < 0x10; j += 4) {
pci_outl (reg(MEMORY) + j, 0x0UL);
}
}
/* Sample Rate Converter initialization */
if (src_init(&dev) != OK) {
return EIO;
}
if (AC97_init(&dev) != OK) {
return EIO;
}
/* initialize variables for each sub_device */
for (i = 0; i < drv.NrOfSubDevices; i++) {
if(i != MIXER) {
aud_conf[i].busy = 0;
aud_conf[i].stereo = DEFAULT_STEREO;
aud_conf[i].sample_rate = DEFAULT_RATE;
aud_conf[i].nr_of_bits = DEFAULT_NR_OF_BITS;
aud_conf[i].sign = DEFAULT_SIGNED;
aud_conf[i].fragment_size =
sub_dev[i].DmaSize / sub_dev[i].NrOfDmaFragments;
}
}
return OK;
}
