hpd_regs.h revision 1.1 
1/*
2 * Copyright 2012-16 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 DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_
27#define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_
28
29#include "gpio_regs.h"
30
31#define ONE_MORE_0 1
32#define ONE_MORE_1 2
33#define ONE_MORE_2 3
34#define ONE_MORE_3 4
35#define ONE_MORE_4 5
36#define ONE_MORE_5 6
37
38
39#define HPD_GPIO_REG_LIST_ENTRY(type,cd,id) \
40	.type ## _reg =  REG(DC_GPIO_HPD_## type),\
41	.type ## _mask =  DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## _MASK,\
42	.type ## _shift = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## __SHIFT
43
44#define HPD_GPIO_REG_LIST(id) \
45	{\
46	HPD_GPIO_REG_LIST_ENTRY(MASK,cd,id),\
47	HPD_GPIO_REG_LIST_ENTRY(A,cd,id),\
48	HPD_GPIO_REG_LIST_ENTRY(EN,cd,id),\
49	HPD_GPIO_REG_LIST_ENTRY(Y,cd,id)\
50	}
51
52#define HPD_REG_LIST(id) \
53	HPD_GPIO_REG_LIST(ONE_MORE_ ## id), \
54	.int_status = REGI(DC_HPD_INT_STATUS, HPD, id),\
55	.toggle_filt_cntl = REGI(DC_HPD_TOGGLE_FILT_CNTL, HPD, id)
56
57 #define HPD_MASK_SH_LIST(mask_sh) \
58		SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE_DELAYED, mask_sh),\
59		SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE, mask_sh),\
60		SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_CONNECT_INT_DELAY, mask_sh),\
61		SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_DISCONNECT_INT_DELAY, mask_sh)
62
63struct hpd_registers {
64	struct gpio_registers gpio;
65	uint32_t int_status;
66	uint32_t toggle_filt_cntl;
67};
68
69struct hpd_sh_mask {
70	/* int_status */
71	uint32_t DC_HPD_SENSE_DELAYED;
72	uint32_t DC_HPD_SENSE;
73	/* toggle_filt_cntl */
74	uint32_t DC_HPD_CONNECT_INT_DELAY;
75	uint32_t DC_HPD_DISCONNECT_INT_DELAY;
76};
77
78
79#endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ */
80