void fill_lb_gpios(struct lb_gpios *gpios)
{
device_t dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe;
if (!gpio_base)
return;
u32 gp_lvl = inl(gpio_base + GP_LVL);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
/* Write Protect: GPIO7 */
gpios->gpios[0].port = 7;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = (gp_lvl >> 7) & 1;
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
/* Recovery: Virtual switch */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* Developer: Virtual switch */
gpios->gpios[2].port = -1;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = get_developer_mode_switch();
strncpy((char *)gpios->gpios[2].name,"developer", GPIO_MAX_NAME_LENGTH);
/* Lid Switch: Virtual switch */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 1; /* Hard-code to open */
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
/* Power Button: Virtual switch */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0; /* Hard-code to de-asserted */
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Was VGA Option ROM loaded? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* EC is in RW mode when it isn't in recovery mode. */
gpios->gpios[6].port = -1;
gpios->gpios[6].polarity = ACTIVE_HIGH;
gpios->gpios[6].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[6].name,"ec_in_rw", GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{58, ACTIVE_HIGH, 0, "write protect"},
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
device_t dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
u16 gpio_base = pci_read_config32(dev, GPIOBASE) & 0xfffe;
if (!gpio_base)
return;
u32 gp_lvl = inl(gpio_base + GP_LVL);
u32 gp_lvl2 = inl(gpio_base + GP_LVL2);
u32 gp_lvl3 = inl(gpio_base + GP_LVL3);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
/* Write Protect: GPIO22 */
gpios->gpios[0].port = 0;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = (gp_lvl >> 22) & 1;
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
/* Recovery: GPIO69 - SV_DETECT - J8E3 (silkscreen: J8E2) */
gpios->gpios[1].port = 69;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = (gp_lvl3 >> (69-64)) & 1;
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* Developer: GPIO48 - BIOS_RESP - J8E4 (silkscreen: J8E3) */
gpios->gpios[2].port = 48;
gpios->gpios[2].polarity = ACTIVE_LOW;
gpios->gpios[2].value = (gp_lvl2 >> (48-32)) & 1;
strncpy((char *)gpios->gpios[2].name,"developer", GPIO_MAX_NAME_LENGTH);
/* Hard code the lid switch GPIO to open. */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 1;
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
/* Power Button */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Did we load the VGA option ROM? */
gpios->gpios[5].port = -1;
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{-1, ACTIVE_HIGH, get_write_protect_state(), "write protect"},
{-1, ACTIVE_HIGH, get_recovery_mode_switch(), "recovery"},
{-1, ACTIVE_HIGH, get_lid_switch(), "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
{GPIO_EC_IN_RW, ACTIVE_HIGH,
gpio_get(GPIO_EC_IN_RW), "EC in RW"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
{GPIO_SPI_WP, ACTIVE_HIGH,
get_gpio(GPIO_SPI_WP), "write protect"},
{GPIO_REC_MODE, ACTIVE_LOW,
get_recovery_mode_switch(), "recovery"},
{-1, ACTIVE_HIGH, 1, "lid"},
{-1, ACTIVE_HIGH, 0, "power"},
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *gpio;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
gpio = gpios->gpios;
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery", REC_MODE_SETTING);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer", DEV_MODE_SETTING);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", 1); // force open
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
/* Write Protect: GPIO7 */
gpios->gpios[0].port = 7;
gpios->gpios[0].polarity = ACTIVE_LOW;
gpios->gpios[0].value = !get_write_protect_state();
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
/* Recovery: Virtual switch */
gpios->gpios[1].port = -1;
gpios->gpios[1].polarity = ACTIVE_HIGH;
gpios->gpios[1].value = get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* Developer: Virtual switch */
gpios->gpios[2].port = -1;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = get_developer_mode_switch();
strncpy((char *)gpios->gpios[2].name,"developer", GPIO_MAX_NAME_LENGTH);
/* Lid Switch: Virtual switch */
gpios->gpios[3].port = -1;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = get_lid_switch();
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
/* Power Button: Virtual switch */
gpios->gpios[4].port = -1;
gpios->gpios[4].polarity = ACTIVE_HIGH;
gpios->gpios[4].value = 0; /* Hard-code to de-asserted */
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Was VGA Option ROM loaded? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
/* EC is in RW mode when it isn't in recovery mode. */
gpios->gpios[6].port = -1;
gpios->gpios[6].polarity = ACTIVE_HIGH;
gpios->gpios[6].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[6].name,"ec_in_rw", GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
device_t dev = dev_find_slot(0, PCI_DEVFN(0x1f,0));
u16 gen_pmcon_1 = pci_read_config32(dev, GEN_PMCON_1);
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
/* Write Protect: GPIO68 = CHP3_SPI_WP */
gpios->gpios[0].port = GPIO_SPI_WP;
gpios->gpios[0].polarity = ACTIVE_HIGH;
gpios->gpios[0].value =
(pci_read_config32(dev_find_slot(0, PCI_DEVFN(0x1f, 2)),
SATA_SP) >> FLAG_SPI_WP) & 1;
strncpy((char *)gpios->gpios[0].name,"write protect",
GPIO_MAX_NAME_LENGTH);
/* Recovery: GPIO42 = CHP3_REC_MODE# */
gpios->gpios[1].port = GPIO_REC_MODE;
gpios->gpios[1].polarity = ACTIVE_LOW;
gpios->gpios[1].value = !get_recovery_mode_switch();
strncpy((char *)gpios->gpios[1].name,"recovery", GPIO_MAX_NAME_LENGTH);
/* Developer: GPIO17 = KBC3_DVP_MODE */
gpios->gpios[2].port = GPIO_DEV_MODE;
gpios->gpios[2].polarity = ACTIVE_HIGH;
gpios->gpios[2].value = get_developer_mode_switch();
strncpy((char *)gpios->gpios[2].name,"developer", GPIO_MAX_NAME_LENGTH);
/* Hard code the lid switch GPIO to open. */
gpios->gpios[3].port = 100;
gpios->gpios[3].polarity = ACTIVE_HIGH;
gpios->gpios[3].value = 1;
strncpy((char *)gpios->gpios[3].name,"lid", GPIO_MAX_NAME_LENGTH);
/* Power Button */
gpios->gpios[4].port = 101;
gpios->gpios[4].polarity = ACTIVE_LOW;
gpios->gpios[4].value = (gen_pmcon_1 >> 9) & 1;
strncpy((char *)gpios->gpios[4].name,"power", GPIO_MAX_NAME_LENGTH);
/* Did we load the VGA Option ROM? */
gpios->gpios[5].port = -1; /* Indicate that this is a pseudo GPIO */
gpios->gpios[5].polarity = ACTIVE_HIGH;
gpios->gpios[5].value = gfx_get_init_done();
strncpy((char *)gpios->gpios[5].name,"oprom", GPIO_MAX_NAME_LENGTH);
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *gpio;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
gpio = gpios->gpios;
fill_lb_gpio(gpio++, GPIO_SPI_WP, ACTIVE_HIGH, "write protect", 0);
fill_lb_gpio(gpio++, GPIO_REC_MODE, ACTIVE_LOW, "recovery",
get_recovery_mode_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
get_developer_mode_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", 1);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *gpio;
gpios->size = sizeof(*gpios) + (GPIO_COUNT * sizeof(struct lb_gpio));
gpios->count = GPIO_COUNT;
gpio = gpios->gpios;
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect",
get_write_protect_state());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery",
recovery_mode_enabled());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
get_developer_mode_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid", get_lid_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
}
static void igd_init(struct device *dev)
{
if (IS_ENABLED(CONFIG_GOP_SUPPORT))
return;
/* IGD needs to be Bus Master */
u32 reg32 = pci_read_config32(dev, PCI_COMMAND);
reg32 |= PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY | PCI_COMMAND_IO;
pci_write_config32(dev, PCI_COMMAND, reg32);
gtt_res = find_resource(dev, PCI_BASE_ADDRESS_0);
if (!gtt_res || !gtt_res->base)
return;
/* Wait for any configured pre-graphics delay */
if (!acpi_is_wakeup_s3()) {
#if IS_ENABLED(CONFIG_CHROMEOS)
if (developer_mode_enabled() || recovery_mode_enabled() ||
vboot_wants_oprom())
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#else
mdelay(CONFIG_PRE_GRAPHICS_DELAY);
#endif
}
/* Initialize PCI device, load/execute BIOS Option ROM */
pci_dev_init(dev);
#if IS_ENABLED(CONFIG_CHROMEOS)
if (!gfx_get_init_done() && !acpi_is_wakeup_s3()) {
/*
* Enable DDI-A if the Option ROM did not execute:
*
* bit 0: Display detected (RO)
* bit 4: DDI A supports 4 lanes and DDI E is not used
* bit 7: DDI buffer is idle
*/
gtt_write(DDI_BUF_CTL_A, DDI_BUF_IS_IDLE | DDI_A_4_LANES |
DDI_INIT_DISPLAY_DETECTED);
}
#endif
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio chromeos_gpios[] = {
/* Write Protect: GPIO48 */
{48, ACTIVE_LOW, !get_write_protect_state(), "write protect"},
/* Recovery: GPIO22 */
{22, ACTIVE_LOW, !get_recovery_mode_switch(), "recovery"},
/* Hard code the lid switch GPIO to open. */
{-1, ACTIVE_HIGH, 1, "lid"},
/* Power Button */
{-1, ACTIVE_HIGH, 0, "power"},
/* Did we load the VGA option ROM? */
{-1, ACTIVE_HIGH, gfx_get_init_done(), "oprom"},
};
lb_add_gpios(gpios, chromeos_gpios, ARRAY_SIZE(chromeos_gpios));
}
void fill_lb_gpios(struct lb_gpios *gpios)
{
struct lb_gpio *start_gpio = gpios->gpios;
struct lb_gpio *gpio = start_gpio;
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "write protect",
get_write_protect_state());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "recovery",
get_recovery_mode_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "developer",
get_developer_mode_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "lid",
get_lid_switch());
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "power", 0);
fill_lb_gpio(gpio++, -1, ACTIVE_HIGH, "oprom", gfx_get_init_done());
fill_lb_gpio(gpio++, GPIO_EC_IN_RW, ACTIVE_HIGH, "EC in RW",
gpio_get(GPIO_EC_IN_RW));
gpios->count = gpio - start_gpio;
gpios->size = sizeof(*gpios) + (gpios->count * sizeof(*gpio));
}
