1 /* $NetBSD: hpd_regs.h,v 1.2 2021/12/18 23:45:04 riastradh Exp $ */ 2 3 /* 4 * Copyright 2012-16 Advanced Micro Devices, Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: AMD 25 * 26 */ 27 28 #ifndef DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ 29 #define DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ 30 31 #include "gpio_regs.h" 32 33 #define ONE_MORE_0 1 34 #define ONE_MORE_1 2 35 #define ONE_MORE_2 3 36 #define ONE_MORE_3 4 37 #define ONE_MORE_4 5 38 #define ONE_MORE_5 6 39 40 41 #define HPD_GPIO_REG_LIST_ENTRY(type,cd,id) \ 42 .type ## _reg = REG(DC_GPIO_HPD_## type),\ 43 .type ## _mask = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## _MASK,\ 44 .type ## _shift = DC_GPIO_HPD_ ## type ## __DC_GPIO_HPD ## id ## _ ## type ## __SHIFT 45 46 #define HPD_GPIO_REG_LIST(id) \ 47 {\ 48 HPD_GPIO_REG_LIST_ENTRY(MASK,cd,id),\ 49 HPD_GPIO_REG_LIST_ENTRY(A,cd,id),\ 50 HPD_GPIO_REG_LIST_ENTRY(EN,cd,id),\ 51 HPD_GPIO_REG_LIST_ENTRY(Y,cd,id)\ 52 } 53 54 #define HPD_REG_LIST(id) \ 55 HPD_GPIO_REG_LIST(ONE_MORE_ ## id), \ 56 .int_status = REGI(DC_HPD_INT_STATUS, HPD, id),\ 57 .toggle_filt_cntl = REGI(DC_HPD_TOGGLE_FILT_CNTL, HPD, id) 58 59 #define HPD_MASK_SH_LIST(mask_sh) \ 60 SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE_DELAYED, mask_sh),\ 61 SF_HPD(DC_HPD_INT_STATUS, DC_HPD_SENSE, mask_sh),\ 62 SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_CONNECT_INT_DELAY, mask_sh),\ 63 SF_HPD(DC_HPD_TOGGLE_FILT_CNTL, DC_HPD_DISCONNECT_INT_DELAY, mask_sh) 64 65 struct hpd_registers { 66 struct gpio_registers gpio; 67 uint32_t int_status; 68 uint32_t toggle_filt_cntl; 69 }; 70 71 struct hpd_sh_mask { 72 /* int_status */ 73 uint32_t DC_HPD_SENSE_DELAYED; 74 uint32_t DC_HPD_SENSE; 75 /* toggle_filt_cntl */ 76 uint32_t DC_HPD_CONNECT_INT_DELAY; 77 uint32_t DC_HPD_DISCONNECT_INT_DELAY; 78 }; 79 80 81 #endif /* DRIVERS_GPU_DRM_AMD_DC_DEV_DC_GPIO_HPD_REGS_H_ */ 82