1*b843c749SSergey Zigachev /* 2*b843c749SSergey Zigachev * Copyright 2012-15 Advanced Micro Devices, Inc. 3*b843c749SSergey Zigachev * 4*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a 5*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"), 6*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation 7*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the 9*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions: 10*b843c749SSergey Zigachev * 11*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in 12*b843c749SSergey Zigachev * all copies or substantial portions of the Software. 13*b843c749SSergey Zigachev * 14*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE. 21*b843c749SSergey Zigachev * 22*b843c749SSergey Zigachev * Authors: AMD 23*b843c749SSergey Zigachev * 24*b843c749SSergey Zigachev */ 25*b843c749SSergey Zigachev 26*b843c749SSergey Zigachev #ifndef __DAL_GPIO_INTERFACE_H__ 27*b843c749SSergey Zigachev #define __DAL_GPIO_INTERFACE_H__ 28*b843c749SSergey Zigachev 29*b843c749SSergey Zigachev #include "gpio_types.h" 30*b843c749SSergey Zigachev #include "grph_object_defs.h" 31*b843c749SSergey Zigachev 32*b843c749SSergey Zigachev struct gpio; 33*b843c749SSergey Zigachev 34*b843c749SSergey Zigachev /* Open the handle for future use */ 35*b843c749SSergey Zigachev enum gpio_result dal_gpio_open( 36*b843c749SSergey Zigachev struct gpio *gpio, 37*b843c749SSergey Zigachev enum gpio_mode mode); 38*b843c749SSergey Zigachev 39*b843c749SSergey Zigachev enum gpio_result dal_gpio_open_ex( 40*b843c749SSergey Zigachev struct gpio *gpio, 41*b843c749SSergey Zigachev enum gpio_mode mode); 42*b843c749SSergey Zigachev 43*b843c749SSergey Zigachev /* Get high or low from the pin */ 44*b843c749SSergey Zigachev enum gpio_result dal_gpio_get_value( 45*b843c749SSergey Zigachev const struct gpio *gpio, 46*b843c749SSergey Zigachev uint32_t *value); 47*b843c749SSergey Zigachev 48*b843c749SSergey Zigachev /* Set pin high or low */ 49*b843c749SSergey Zigachev enum gpio_result dal_gpio_set_value( 50*b843c749SSergey Zigachev const struct gpio *gpio, 51*b843c749SSergey Zigachev uint32_t value); 52*b843c749SSergey Zigachev 53*b843c749SSergey Zigachev /* Get current mode */ 54*b843c749SSergey Zigachev enum gpio_mode dal_gpio_get_mode( 55*b843c749SSergey Zigachev const struct gpio *gpio); 56*b843c749SSergey Zigachev 57*b843c749SSergey Zigachev /* Change mode of the handle */ 58*b843c749SSergey Zigachev enum gpio_result dal_gpio_change_mode( 59*b843c749SSergey Zigachev struct gpio *gpio, 60*b843c749SSergey Zigachev enum gpio_mode mode); 61*b843c749SSergey Zigachev 62*b843c749SSergey Zigachev /* Get the GPIO id */ 63*b843c749SSergey Zigachev enum gpio_id dal_gpio_get_id( 64*b843c749SSergey Zigachev const struct gpio *gpio); 65*b843c749SSergey Zigachev 66*b843c749SSergey Zigachev /* Get the GPIO enum */ 67*b843c749SSergey Zigachev uint32_t dal_gpio_get_enum( 68*b843c749SSergey Zigachev const struct gpio *gpio); 69*b843c749SSergey Zigachev 70*b843c749SSergey Zigachev /* Set the GPIO pin configuration */ 71*b843c749SSergey Zigachev enum gpio_result dal_gpio_set_config( 72*b843c749SSergey Zigachev struct gpio *gpio, 73*b843c749SSergey Zigachev const struct gpio_config_data *config_data); 74*b843c749SSergey Zigachev 75*b843c749SSergey Zigachev /* Obtain GPIO pin info */ 76*b843c749SSergey Zigachev enum gpio_result dal_gpio_get_pin_info( 77*b843c749SSergey Zigachev const struct gpio *gpio, 78*b843c749SSergey Zigachev struct gpio_pin_info *pin_info); 79*b843c749SSergey Zigachev 80*b843c749SSergey Zigachev /* Obtain GPIO sync source */ 81*b843c749SSergey Zigachev enum sync_source dal_gpio_get_sync_source( 82*b843c749SSergey Zigachev const struct gpio *gpio); 83*b843c749SSergey Zigachev 84*b843c749SSergey Zigachev /* Obtain GPIO pin output state (active low or active high) */ 85*b843c749SSergey Zigachev enum gpio_pin_output_state dal_gpio_get_output_state( 86*b843c749SSergey Zigachev const struct gpio *gpio); 87*b843c749SSergey Zigachev 88*b843c749SSergey Zigachev /* Close the handle */ 89*b843c749SSergey Zigachev void dal_gpio_close( 90*b843c749SSergey Zigachev struct gpio *gpio); 91*b843c749SSergey Zigachev 92*b843c749SSergey Zigachev #endif 93