xref: /linux/drivers/gpu/drm/amd/display/dc/gpio/hpd_regs.h (revision a1c613ae4c322ddd58d5a8539dbfba2a0380a8c0)
1*4562236bSHarry Wentland /*
2*4562236bSHarry Wentland  * Copyright 2012-16 Advanced Micro Devices, Inc.
3*4562236bSHarry Wentland  *
4*4562236bSHarry Wentland  * Permission is hereby granted, free of charge, to any person obtaining a
5*4562236bSHarry Wentland  * copy of this software and associated documentation files (the "Software"),
6*4562236bSHarry Wentland  * to deal in the Software without restriction, including without limitation
7*4562236bSHarry Wentland  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*4562236bSHarry Wentland  * and/or sell copies of the Software, and to permit persons to whom the
9*4562236bSHarry Wentland  * Software is furnished to do so, subject to the following conditions:
10*4562236bSHarry Wentland  *
11*4562236bSHarry Wentland  * The above copyright notice and this permission notice shall be included in
12*4562236bSHarry Wentland  * all copies or substantial portions of the Software.
13*4562236bSHarry Wentland  *
14*4562236bSHarry Wentland  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*4562236bSHarry Wentland  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*4562236bSHarry Wentland  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*4562236bSHarry Wentland  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*4562236bSHarry Wentland  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*4562236bSHarry Wentland  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*4562236bSHarry Wentland  * OTHER DEALINGS IN THE SOFTWARE.
21*4562236bSHarry Wentland  *
22*4562236bSHarry Wentland  * Authors: AMD
23*4562236bSHarry Wentland  *
24*4562236bSHarry Wentland  */
25*4562236bSHarry Wentland 
26*4562236bSHarry Wentland #ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_
27*4562236bSHarry Wentland #define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_
28*4562236bSHarry Wentland 
29*4562236bSHarry Wentland #include "gpio_regs.h"
30*4562236bSHarry Wentland 
31*4562236bSHarry Wentland #define ONE_MORE_0 1
32*4562236bSHarry Wentland #define ONE_MORE_1 2
33*4562236bSHarry Wentland #define ONE_MORE_2 3
34*4562236bSHarry Wentland #define ONE_MORE_3 4
35*4562236bSHarry Wentland #define ONE_MORE_4 5
36*4562236bSHarry Wentland #define ONE_MORE_5 6
37*4562236bSHarry Wentland 
38*4562236bSHarry Wentland 
39*4562236bSHarry Wentland #define HPD_GPIO_REG_LIST_ENTRY(type, cd, id) \
40*4562236bSHarry Wentland 	.type ## _reg =  REG(DC_GPIO_HPD_## type),\
41*4562236bSHarry Wentland 	.type ## _mask =  DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## _MASK,\
42*4562236bSHarry Wentland 	.type ## _shift = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## __SHIFT
43*4562236bSHarry Wentland 
44*4562236bSHarry Wentland #define HPD_GPIO_REG_LIST(id) \
45*4562236bSHarry Wentland 	{\
46*4562236bSHarry Wentland 	HPD_GPIO_REG_LIST_ENTRY(MASK, cd, id),\
47*4562236bSHarry Wentland 	HPD_GPIO_REG_LIST_ENTRY(A, cd, id),\
48*4562236bSHarry Wentland 	HPD_GPIO_REG_LIST_ENTRY(EN, cd, id),\
49*4562236bSHarry Wentland 	HPD_GPIO_REG_LIST_ENTRY(Y, cd, id)\
50*4562236bSHarry Wentland 	}
51*4562236bSHarry Wentland 
52*4562236bSHarry Wentland #define HPD_REG_LIST(id) \
53*4562236bSHarry Wentland 	HPD_GPIO_REG_LIST(ONE_MORE_ ## id), \
54*4562236bSHarry Wentland 	.int_status = REGI(DC_HPD_INT_STATUS, HPD, id),\
55*4562236bSHarry Wentland 	.toggle_filt_cntl = REGI(DC_HPD_TOGGLE_FILT_CNTL, HPD, id)
56*4562236bSHarry Wentland 
57*4562236bSHarry Wentland  #define HPD_MASK_SH_LIST(mask_sh) \
58*4562236bSHarry Wentland 		SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE_DELAYED, mask_sh),\
59*4562236bSHarry Wentland 		SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE, mask_sh),\
60*4562236bSHarry Wentland 		SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_CONNECT_INT_DELAY, mask_sh),\
61*4562236bSHarry Wentland 		SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_DISCONNECT_INT_DELAY, mask_sh)
62*4562236bSHarry Wentland 
63*4562236bSHarry Wentland struct hpd_registers {
64*4562236bSHarry Wentland 	struct gpio_registers gpio;
65*4562236bSHarry Wentland 	uint32_t int_status;
66*4562236bSHarry Wentland 	uint32_t toggle_filt_cntl;
67*4562236bSHarry Wentland };
68*4562236bSHarry Wentland 
69*4562236bSHarry Wentland struct hpd_sh_mask {
70*4562236bSHarry Wentland 	/* int_status */
71*4562236bSHarry Wentland 	uint32_t DC_HPD_SENSE_DELAYED;
72*4562236bSHarry Wentland 	uint32_t DC_HPD_SENSE;
73*4562236bSHarry Wentland 	/* toggle_filt_cntl */
74*4562236bSHarry Wentland 	uint32_t DC_HPD_CONNECT_INT_DELAY;
75*4562236bSHarry Wentland 	uint32_t DC_HPD_DISCONNECT_INT_DELAY;
76*4562236bSHarry Wentland };
77*4562236bSHarry Wentland 
78*4562236bSHarry Wentland 
79*4562236bSHarry Wentland #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ */
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