155 lines
4.2 KiB
C
155 lines
4.2 KiB
C
/*
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* Copyright (c) 2019, MediaTek Inc. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef MT_GPIO_H
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#define MT_GPIO_H
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#include <stdint.h>
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#include <plat/common/common_def.h>
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/* Error Code No. */
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#define RSUCCESS 0
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#define ERACCESS 1
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#define ERINVAL 2
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#define ERWRAPPER 3
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#define MAX_GPIO_PIN MT_GPIO_BASE_MAX
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/* Enumeration for GPIO pin */
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typedef enum GPIO_PIN {
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GPIO_UNSUPPORTED = -1,
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GPIO0, GPIO1, GPIO2, GPIO3, GPIO4, GPIO5, GPIO6, GPIO7,
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GPIO8, GPIO9, GPIO10, GPIO11, GPIO12, GPIO13, GPIO14, GPIO15,
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GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21, GPIO22, GPIO23,
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GPIO24, GPIO25, GPIO26, GPIO27, GPIO28, GPIO29, GPIO30, GPIO31,
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GPIO32, GPIO33, GPIO34, GPIO35, GPIO36, GPIO37, GPIO38, GPIO39,
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GPIO40, GPIO41, GPIO42, GPIO43, GPIO44, GPIO45, GPIO46, GPIO47,
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GPIO48, GPIO49, GPIO50, GPIO51, GPIO52, GPIO53, GPIO54, GPIO55,
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GPIO56, GPIO57, GPIO58, GPIO59, GPIO60, GPIO61, GPIO62, GPIO63,
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GPIO64, GPIO65, GPIO66, GPIO67, GPIO68, GPIO69, GPIO70, GPIO71,
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GPIO72, GPIO73, GPIO74, GPIO75, GPIO76, GPIO77, GPIO78, GPIO79,
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GPIO80, GPIO81, GPIO82, GPIO83, GPIO84, GPIO85, GPIO86, GPIO87,
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GPIO88, GPIO89, GPIO90, GPIO91, GPIO92, GPIO93, GPIO94, GPIO95,
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GPIO96, GPIO97, GPIO98, GPIO99, GPIO100, GPIO101, GPIO102, GPIO103,
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GPIO104, GPIO105, GPIO106, GPIO107, GPIO108, GPIO109, GPIO110, GPIO111,
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GPIO112, GPIO113, GPIO114, GPIO115, GPIO116, GPIO117, GPIO118, GPIO119,
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GPIO120, GPIO121, GPIO122, GPIO123, GPIO124, GPIO125, GPIO126, GPIO127,
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GPIO128, GPIO129, GPIO130, GPIO131, GPIO132, GPIO133, GPIO134, GPIO135,
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GPIO136, GPIO137, GPIO138, GPIO139, GPIO140, GPIO141, GPIO142, GPIO143,
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GPIO144, GPIO145, GPIO146, GPIO147, GPIO148, GPIO149, GPIO150, GPIO151,
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GPIO152, GPIO153, GPIO154, GPIO155, GPIO156, GPIO157, GPIO158, GPIO159,
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GPIO160, GPIO161, GPIO162, GPIO163, GPIO164, GPIO165, GPIO166, GPIO167,
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GPIO168, GPIO169, GPIO170, GPIO171, GPIO172, GPIO173, GPIO174, GPIO175,
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GPIO176, GPIO177, GPIO178, GPIO179,
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MT_GPIO_BASE_MAX
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} GPIO_PIN;
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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,
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GPIO_MODE_02,
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GPIO_MODE_03,
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GPIO_MODE_04,
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GPIO_MODE_05,
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GPIO_MODE_06,
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GPIO_MODE_07,
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GPIO_MODE_MAX,
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GPIO_MODE_DEFAULT = GPIO_MODE_00,
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} GPIO_MODE;
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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_OUT = 0,
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GPIO_DIR_IN = 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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/* 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_ENABLE_R0 = 2,
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GPIO_PULL_ENABLE_R1 = 3,
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GPIO_PULL_ENABLE_R0R1 = 4,
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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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/* 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_NONE = 0,
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GPIO_PULL_UP = 1,
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GPIO_PULL_DOWN = 2,
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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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/* 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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/* 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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typedef struct {
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uint32_t val;
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uint32_t set;
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uint32_t rst;
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uint32_t _align1;
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} VAL_REGS;
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typedef struct {
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VAL_REGS dir[6]; /*0x0000 ~ 0x005F: 96 bytes */
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uint8_t rsv00[160]; /*0x0060 ~ 0x00FF: 160 bytes */
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VAL_REGS dout[6]; /*0x0100 ~ 0x015F: 96 bytes */
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uint8_t rsv01[160]; /*0x0160 ~ 0x01FF: 160 bytes */
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VAL_REGS din[6]; /*0x0200 ~ 0x025F: 96 bytes */
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uint8_t rsv02[160]; /*0x0260 ~ 0x02FF: 160 bytes */
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VAL_REGS mode[23]; /*0x0300 ~ 0x046F: 368 bytes */
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} GPIO_REGS;
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/* GPIO Driver interface */
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/*direction*/
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void mt_set_gpio_dir(int gpio, int direction);
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int mt_get_gpio_dir(int gpio);
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/*pull select*/
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void mt_set_gpio_pull(int gpio, int pull);
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int mt_get_gpio_pull(int gpio);
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/*input/output*/
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void mt_set_gpio_out(int gpio, int value);
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int mt_get_gpio_out(int gpio);
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int mt_get_gpio_in(int gpio);
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/*mode control*/
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void mt_set_gpio_mode(int gpio, int mode);
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int mt_get_gpio_mode(int gpio);
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#endif /* MT_GPIO_H */
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