Stricted
162 lines
4.3 KiB
C
162 lines
4.3 KiB
C
#ifndef _MT_GPIO_H_
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#define _MT_GPIO_H_
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/* mark for delete, need remove other driver build error */
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#include <linux/ioctl.h>
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#include <linux/fs.h>
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/* FIX-ME: */
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/* #if (defined(CONFIG_MT6589_FPGA)) */
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#if (defined(CONFIG_MTK_FPGA))
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/* #define CONFIG_MT_GPIO_FPGA_ENABLE */
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#include <mach/mt_gpio_fpga.h>
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#else
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/* FIX-ME: marked for early porting */
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#include <cust_gpio_usage.h>
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#include <mach/mt_gpio_base.h>
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#include <mach/mt_gpio_affix.h>
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#endif
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#include <mach/mt_gpio_ext.h>
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/******************************************************************************
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* Enumeration for GPIO pin
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******************************************************************************/
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/* GPIO MODE CONTROL VALUE*/
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typedef enum {
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GPIO_MODE_UNSUPPORTED = -1,
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GPIO_MODE_GPIO = 0,
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GPIO_MODE_00 = 0,
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GPIO_MODE_01 = 1,
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GPIO_MODE_02 = 2,
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GPIO_MODE_03 = 3,
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GPIO_MODE_04 = 4,
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GPIO_MODE_05 = 5,
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GPIO_MODE_06 = 6,
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GPIO_MODE_07 = 7,
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GPIO_MODE_MAX,
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GPIO_MODE_DEFAULT = GPIO_MODE_01,
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} GPIO_MODE;
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/*----------------------------------------------------------------------------*/
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/* GPIO DIRECTION */
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typedef enum {
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GPIO_DIR_UNSUPPORTED = -1,
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GPIO_DIR_IN = 0,
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GPIO_DIR_OUT = 1,
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GPIO_DIR_MAX,
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GPIO_DIR_DEFAULT = GPIO_DIR_IN,
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} GPIO_DIR;
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/*----------------------------------------------------------------------------*/
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/* GPIO PULL ENABLE*/
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typedef enum {
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GPIO_PULL_EN_UNSUPPORTED = -1,
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GPIO_PULL_DISABLE = 0,
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GPIO_PULL_ENABLE = 1,
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GPIO_PULL_EN_MAX,
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GPIO_PULL_EN_DEFAULT = GPIO_PULL_ENABLE,
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} GPIO_PULL_EN;
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/*----------------------------------------------------------------------------*/
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/* GPIO SMT*/
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typedef enum {
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GPIO_SMT_UNSUPPORTED = -1,
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GPIO_SMT_DISABLE = 0,
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GPIO_SMT_ENABLE = 1,
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GPIO_SMT_MAX,
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GPIO_SMT_DEFAULT = GPIO_SMT_ENABLE,
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} GPIO_SMT;
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/*----------------------------------------------------------------------------*/
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/* GPIO IES*/
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typedef enum {
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GPIO_IES_UNSUPPORTED = -1,
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GPIO_IES_DISABLE = 0,
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GPIO_IES_ENABLE = 1,
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GPIO_IES_MAX,
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GPIO_IES_DEFAULT = GPIO_IES_ENABLE,
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} GPIO_IES;
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/*----------------------------------------------------------------------------*/
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/* GPIO PULL-UP/PULL-DOWN*/
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typedef enum {
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GPIO_PULL_UNSUPPORTED = -1,
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GPIO_PULL_DOWN = 0,
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GPIO_PULL_UP = 1,
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GPIO_PULL_MAX,
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GPIO_PULL_DEFAULT = GPIO_PULL_DOWN
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} GPIO_PULL;
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/*----------------------------------------------------------------------------*/
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/* GPIO INVERSION */
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typedef enum {
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GPIO_DATA_INV_UNSUPPORTED = -1,
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GPIO_DATA_UNINV = 0,
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GPIO_DATA_INV = 1,
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GPIO_DATA_INV_MAX,
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GPIO_DATA_INV_DEFAULT = GPIO_DATA_UNINV
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} GPIO_INVERSION;
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/*----------------------------------------------------------------------------*/
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/* GPIO OUTPUT */
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typedef enum {
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GPIO_OUT_UNSUPPORTED = -1,
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GPIO_OUT_ZERO = 0,
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GPIO_OUT_ONE = 1,
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GPIO_OUT_MAX,
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GPIO_OUT_DEFAULT = GPIO_OUT_ZERO,
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GPIO_DATA_OUT_DEFAULT = GPIO_OUT_ZERO, /*compatible with DCT */
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} GPIO_OUT;
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/*----------------------------------------------------------------------------*/
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/* GPIO INPUT */
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typedef enum {
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GPIO_IN_UNSUPPORTED = -1,
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GPIO_IN_ZERO = 0,
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GPIO_IN_ONE = 1,
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GPIO_IN_MAX,
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} GPIO_IN;
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/******************************************************************************
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* GPIO Driver interface
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******************************************************************************/
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/*direction*/
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int mt_set_gpio_dir(unsigned long pin, unsigned long dir);
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int mt_get_gpio_dir(unsigned long pin);
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/*pull enable*/
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int mt_set_gpio_pull_enable(unsigned long pin, unsigned long enable);
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int mt_get_gpio_pull_enable(unsigned long pin);
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/*schmitt trigger*/
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int mt_set_gpio_smt(unsigned long pin, unsigned long enable);
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int mt_get_gpio_smt(unsigned long pin);
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/*IES*/
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int mt_set_gpio_ies(unsigned long pin, unsigned long enable);
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int mt_get_gpio_ies(unsigned long pin);
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/*pull select*/
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int mt_set_gpio_pull_select(unsigned long pin, unsigned long select);
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int mt_get_gpio_pull_select(unsigned long pin);
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/*data inversion*/
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int mt_set_gpio_inversion(unsigned long pin, unsigned long enable);
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int mt_get_gpio_inversion(unsigned long pin);
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/*input/output*/
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int mt_set_gpio_out(unsigned long pin, unsigned long output);
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int mt_get_gpio_out(unsigned long pin);
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int mt_get_gpio_in(unsigned long pin);
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/*mode control*/
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int mt_set_gpio_mode(unsigned long pin, unsigned long mode);
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int mt_get_gpio_mode(unsigned long pin);
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/*misc functions for protect GPIO*/
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/* void mt_gpio_dump(GPIO_REGS *regs,GPIOEXT_REGS *regs_ext); */
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void gpio_dump_regs(void);
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#endif /* _MT_GPIO_H_ */
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