| 1 | /* |
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| 2 | * Copyright 2012-15 Advanced Micro Devices, Inc. |
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| 3 | * |
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| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | * copy of this software and associated documentation files (the "Software"), |
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| 6 | * to deal in the Software without restriction, including without limitation |
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| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | * Software is furnished to do so, subject to the following conditions: |
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| 10 | * |
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| 11 | * The above copyright notice and this permission notice shall be included in |
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| 12 | * all copies or substantial portions of the Software. |
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| 13 | * |
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| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | * |
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| 22 | * Authors: AMD |
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| 23 | * |
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| 24 | */ |
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| 25 | |
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| 26 | #ifndef __DAL_GPIO_INTERFACE_H__ |
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| 27 | #define __DAL_GPIO_INTERFACE_H__ |
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| 28 | |
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| 29 | #include "gpio_types.h" |
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| 30 | #include "grph_object_defs.h" |
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| 31 | |
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| 32 | struct gpio; |
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| 33 | |
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| 34 | /* Open the handle for future use */ |
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| 35 | enum gpio_result dal_gpio_open( |
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| 36 | struct gpio *gpio, |
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| 37 | enum gpio_mode mode); |
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| 38 | |
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| 39 | enum gpio_result dal_gpio_open_ex( |
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| 40 | struct gpio *gpio, |
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| 41 | enum gpio_mode mode); |
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| 42 | |
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| 43 | /* Get high or low from the pin */ |
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| 44 | enum gpio_result dal_gpio_get_value( |
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| 45 | const struct gpio *gpio, |
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| 46 | uint32_t *value); |
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| 47 | |
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| 48 | /* Set pin high or low */ |
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| 49 | enum gpio_result dal_gpio_set_value( |
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| 50 | const struct gpio *gpio, |
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| 51 | uint32_t value); |
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| 52 | |
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| 53 | /* Get current mode */ |
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| 54 | enum gpio_mode dal_gpio_get_mode( |
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| 55 | const struct gpio *gpio); |
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| 56 | |
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| 57 | /* Change mode of the handle */ |
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| 58 | enum gpio_result dal_gpio_change_mode( |
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| 59 | struct gpio *gpio, |
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| 60 | enum gpio_mode mode); |
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| 61 | |
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| 62 | /* Lock Pin */ |
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| 63 | enum gpio_result dal_gpio_lock_pin( |
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| 64 | struct gpio *gpio); |
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| 65 | |
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| 66 | /* Unlock Pin */ |
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| 67 | enum gpio_result dal_gpio_unlock_pin( |
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| 68 | struct gpio *gpio); |
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| 69 | |
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| 70 | /* Get the GPIO id */ |
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| 71 | enum gpio_id dal_gpio_get_id( |
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| 72 | const struct gpio *gpio); |
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| 73 | |
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| 74 | /* Get the GPIO enum */ |
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| 75 | uint32_t dal_gpio_get_enum( |
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| 76 | const struct gpio *gpio); |
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| 77 | |
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| 78 | /* Set the GPIO pin configuration */ |
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| 79 | enum gpio_result dal_gpio_set_config( |
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| 80 | struct gpio *gpio, |
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| 81 | const struct gpio_config_data *config_data); |
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| 82 | |
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| 83 | /* Obtain GPIO pin info */ |
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| 84 | enum gpio_result dal_gpio_get_pin_info( |
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| 85 | const struct gpio *gpio, |
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| 86 | struct gpio_pin_info *pin_info); |
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| 87 | |
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| 88 | /* Obtain GPIO sync source */ |
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| 89 | enum sync_source dal_gpio_get_sync_source( |
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| 90 | const struct gpio *gpio); |
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| 91 | |
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| 92 | /* Obtain GPIO pin output state (active low or active high) */ |
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| 93 | enum gpio_pin_output_state dal_gpio_get_output_state( |
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| 94 | const struct gpio *gpio); |
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| 95 | |
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| 96 | struct hw_ddc *dal_gpio_get_ddc(struct gpio *gpio); |
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| 97 | |
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| 98 | struct hw_hpd *dal_gpio_get_hpd(struct gpio *gpio); |
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| 99 | |
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| 100 | struct hw_generic *dal_gpio_get_generic(struct gpio *gpio); |
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| 101 | |
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| 102 | /* Close the handle */ |
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| 103 | void dal_gpio_close( |
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| 104 | struct gpio *gpio); |
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| 105 | |
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| 106 | |
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| 107 | |
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| 108 | |
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| 109 | #endif |
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| 110 | |
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