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
63 struct hpd_registers {
64 struct gpio_registers gpio;
65 uint32_t int_status;
66 uint32_t toggle_filt_cntl;
67 };
68
69 struct 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_ */