gpio_service_interface.h

  1/*
  2 * Copyright 2012-15 Advanced Micro Devices, Inc.
  3 *
  4 * Permission is hereby granted, free of charge, to any person obtaining a
  5 * copy of this software and associated documentation files (the "Software"),
  6 * to deal in the Software without restriction, including without limitation
  7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8 * and/or sell copies of the Software, and to permit persons to whom the
  9 * Software is furnished to do so, subject to the following conditions:
 10 *
 11 * The above copyright notice and this permission notice shall be included in
 12 * all copies or substantial portions of the Software.
 13 *
 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 20 * OTHER DEALINGS IN THE SOFTWARE.
 21 *
 22 * Authors: AMD
 23 *
 24 */
 25
 26#ifndef __DAL_GPIO_SERVICE_INTERFACE_H__
 27#define __DAL_GPIO_SERVICE_INTERFACE_H__
 28
 29#include "gpio_types.h"
 30#include "gpio_interface.h"
 31#include "hw/gpio.h"
 32
 33struct gpio_service;
 34
 35struct gpio *dal_gpio_create(
 36	struct gpio_service *service,
 37	enum gpio_id id,
 38	uint32_t en,
 39	enum gpio_pin_output_state output_state);
 40
 41void dal_gpio_destroy(
 42	struct gpio **ptr);
 43
 44struct gpio_service *dal_gpio_service_create(
 45	enum dce_version dce_version,
 46	enum dce_environment dce_environment,
 47	struct dc_context *ctx);
 48
 49struct gpio *dal_gpio_service_create_irq(
 50	struct gpio_service *service,
 51	uint32_t offset,
 52	uint32_t mask);
 53
 54struct gpio *dal_gpio_service_create_generic_mux(
 55	struct gpio_service *service,
 56	uint32_t offset,
 57	uint32_t mask);
 58
 59void dal_gpio_destroy_generic_mux(
 60	struct gpio **mux);
 61
 62enum gpio_result dal_mux_setup_config(
 63	struct gpio *mux,
 64	struct gpio_generic_mux_config *config);
 65
 66struct gpio_pin_info dal_gpio_get_generic_pin_info(
 67	struct gpio_service *service,
 68	enum gpio_id id,
 69	uint32_t en);
 70
 71struct ddc *dal_gpio_create_ddc(
 72	struct gpio_service *service,
 73	uint32_t offset,
 74	uint32_t mask,
 75	struct gpio_ddc_hw_info *info);
 76
 77void dal_gpio_destroy_ddc(
 78	struct ddc **ddc);
 79
 80void dal_gpio_service_destroy(
 81	struct gpio_service **ptr);
 82
 83enum dc_irq_source dal_irq_get_source(
 84	const struct gpio *irq);
 85
 86enum dc_irq_source dal_irq_get_rx_source(
 87	const struct gpio *irq);
 88
 89enum dc_irq_source dal_irq_get_read_request(
 90	const struct gpio *irq);
 91
 92enum gpio_result dal_irq_setup_hpd_filter(
 93	struct gpio *irq,
 94	struct gpio_hpd_config *config);
 95
 96struct gpio *dal_gpio_create_irq(
 97	struct gpio_service *service,
 98	enum gpio_id id,
 99	uint32_t en);
100
101void dal_gpio_destroy_irq(
102	struct gpio **ptr);
103
104
105enum gpio_result dal_ddc_open(
106	struct ddc *ddc,
107	enum gpio_mode mode,
108	enum gpio_ddc_config_type config_type);
109
110enum gpio_result dal_ddc_change_mode(
111	struct ddc *ddc,
112	enum gpio_mode mode);
113
114enum gpio_ddc_line dal_ddc_get_line(
115	const struct ddc *ddc);
116
117enum gpio_result dal_ddc_set_config(
118	struct ddc *ddc,
119	enum gpio_ddc_config_type config_type);
120
121void dal_ddc_close(
122	struct ddc *ddc);
123
124#endif