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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* * Copyright 2012-15 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #ifndef __DAL_GPIO_INTERFACE_H__ #define __DAL_GPIO_INTERFACE_H__ #include "gpio_types.h" #include "grph_object_defs.h" struct gpio; /* Open the handle for future use */ enum gpio_result dal_gpio_open( struct gpio *gpio, enum gpio_mode mode); enum gpio_result dal_gpio_open_ex( struct gpio *gpio, enum gpio_mode mode); /* Get high or low from the pin */ enum gpio_result dal_gpio_get_value( const struct gpio *gpio, uint32_t *value); /* Set pin high or low */ enum gpio_result dal_gpio_set_value( const struct gpio *gpio, uint32_t value); /* Get current mode */ enum gpio_mode dal_gpio_get_mode( const struct gpio *gpio); /* Change mode of the handle */ enum gpio_result dal_gpio_change_mode( struct gpio *gpio, enum gpio_mode mode); /* Lock Pin */ enum gpio_result dal_gpio_lock_pin( struct gpio *gpio); /* Unlock Pin */ enum gpio_result dal_gpio_unlock_pin( struct gpio *gpio); /* Get the GPIO id */ enum gpio_id dal_gpio_get_id( const struct gpio *gpio); /* Get the GPIO enum */ uint32_t dal_gpio_get_enum( const struct gpio *gpio); /* Set the GPIO pin configuration */ enum gpio_result dal_gpio_set_config( struct gpio *gpio, const struct gpio_config_data *config_data); /* Obtain GPIO pin info */ enum gpio_result dal_gpio_get_pin_info( const struct gpio *gpio, struct gpio_pin_info *pin_info); /* Obtain GPIO sync source */ enum sync_source dal_gpio_get_sync_source( const struct gpio *gpio); /* Obtain GPIO pin output state (active low or active high) */ enum gpio_pin_output_state dal_gpio_get_output_state( const struct gpio *gpio); struct hw_ddc *dal_gpio_get_ddc(struct gpio *gpio); struct hw_hpd *dal_gpio_get_hpd(struct gpio *gpio); struct hw_generic *dal_gpio_get_generic(struct gpio *gpio); /* Close the handle */ void dal_gpio_close( struct gpio *gpio); #endif |