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IT8772F: Clean up it8772f includes and add a LED API

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- Remove it8772f c includes
- Add a new LED API, it8772f_gpio_led
- Stumpy: using it8772f_gpio_led

BUG=chrome-os-partner:28232
BRANCH=Guado
TEST=emerge-guado coreboot chromeos-bootimage

Change-Id: I08de52515d3c1e7e85d1761c09a0cebffda7dda3
Signed-off-by: David Wu <David_Wu@quantatw.com>
Reviewed-on: https://chromium-review.googlesource.com/241813
Tested-by: David Wu <david_wu@quantatw.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
Commit-Queue: David Wu <david_wu@quantatw.com>
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/12797
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
This commit is contained in:
david
2015-01-19 17:11:36 +08:00
committed by Martin Roth
parent 0fa4f6f23d
commit 80ef7b778e
5 changed files with 58 additions and 27 deletions
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1
src/superio/ite/it8772f/Makefile.inc
View File

@@ -16,3 +16,4 @@
romstage-$(CONFIG_SUPERIO_ITE_IT8772F) += early_init.c
ramstage-$(CONFIG_SUPERIO_ITE_IT8772F) += superio.c
smm-$(CONFIG_SUPERIO_ITE_IT8772F) += early_init.c

19
src/superio/ite/it8772f/early_init.c
View File

@@ -81,3 +81,22 @@ void it8772f_gpio_setup(pnp_devfn_t dev, int set, u8 select, u8 polarity,
it8772f_sio_write(dev, GPIO_REG_PULLUP(set), pullup);
it8772f_exit_conf(dev);
}
/* Configure LED GPIOs */
void it8772f_gpio_led(pnp_devfn_t dev,int set, u8 select, u8 polarity, u8 pullup,
u8 output, u8 enable, u8 led_pin_map, u8 led_freq)
{
set--; /* Set 1 is offset 0 */
it8772f_enter_conf(dev);
it8772f_sio_write(dev, IT8772F_CONFIG_REG_LDN, IT8772F_GPIO);
if (set < 5) {
it8772f_sio_write(dev, IT8772F_GPIO_LED_BLINK1_PINMAP, led_pin_map);
it8772f_sio_write(dev, IT8772F_GPIO_LED_BLINK1_CONTROL, led_freq);
it8772f_sio_write(dev, GPIO_REG_SELECT(set), select);
it8772f_sio_write(dev, GPIO_REG_ENABLE(set), enable);
it8772f_sio_write(dev, GPIO_REG_POLARITY(set), polarity);
}
it8772f_sio_write(dev, GPIO_REG_OUTPUT(set), output);
it8772f_sio_write(dev, GPIO_REG_PULLUP(set), pullup);
it8772f_exit_conf(dev);
}

20
src/superio/ite/it8772f/it8772f.h
View File

@@ -92,12 +92,29 @@
/* GPIO interface */
#define IT8772F_GPIO_LED_BLINK1_PINMAP 0xf8
#define SIO_GPIO_BLINK_GPIO10 0x08
#define SIO_GPIO_BLINK_GPIO45 0x25
#define IT8772F_GPIO_LED_BLINK1_CONTROL 0xf9
#define IT8772F_GPIO_BLINK_FREQUENCY_4_HZ (0<<1)
#define IT8772F_GPIO_BLINK_FREQUENCY_1_HZ (1<<1)
#define IT8772F_GPIO_BLINK_FREQUENCY_1_4_HZ (2<<1)
#define IT8772F_GPIO_BLINK_FREQUENCY_1_8_HZ (3<<1)
#define GPIO_REG_SELECT(x) (0x25 + (x))
/* GPIO Polarity Select: 1: Inverting, 0: Non-inverting */
#define GPIO_REG_POLARITY(x) (0xb0 + (x))
/* GPIO Inernal Pull-up: 1: Enable, 0: Disable */
#define GPIO_REG_PULLUP(x) (0xb8 + (x))
/* GPIO Fucntion Select: 1: Simple I/O, 0: Alternate function */
#define GPIO_REG_ENABLE(x) (0xc0 + (x))
/* GPIO Mode: 0: input mode, 1: output mode */
#define GPIO_REG_OUTPUT(x) (0xc8 + (x))
#include <arch/io.h>
@@ -116,5 +133,8 @@ void it8772f_gpio_setup(pnp_devfn_t dev, int set, u8 select, u8 polarity,
void it8772f_enter_conf(pnp_devfn_t dev);
void it8772f_exit_conf(pnp_devfn_t dev);
void it8772f_gpio_led(pnp_devfn_t dev, int set, u8 select, u8 polarity, u8 pullup,
u8 output, u8 enable, u8 led_pin_map, u8 led_freq);
#endif /* SUPERIO_ITE_IT8772F_H */