xref: /linux/drivers/gpu/drm/amd/display/dc/gpio/hw_generic.h (revision 3d0fe49454652117522f60bfbefb978ba0e5300b)
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_HW_generic_H__
27 #define __DAL_HW_generic_H__
28 
29 #include "generic_regs.h"
30 #include "hw_gpio.h"
31 
32 struct hw_generic {
33 	struct hw_gpio base;
34 	const struct generic_registers *regs;
35 	const struct generic_sh_mask *shifts;
36 	const struct generic_sh_mask *masks;
37 };
38 
39 #define HW_GENERIC_FROM_BASE(hw_gpio) \
40 	container_of((HW_GPIO_FROM_BASE(hw_gpio)), struct hw_generic, base)
41 
42 void dal_hw_generic_init(
43 	struct hw_generic **hw_generic,
44 	struct dc_context *ctx,
45 	enum gpio_id id,
46 	uint32_t en);
47 
48 struct hw_gpio_pin *dal_hw_generic_get_pin(struct gpio *gpio);
49 
50 #endif
51