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      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