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      1 /*	$NetBSD: amdgpu_hw_factory_dce80.c,v 1.2 2021/12/18 23:45:05 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2012-15 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 #include <sys/cdefs.h>
     29 __KERNEL_RCSID(0, "$NetBSD: amdgpu_hw_factory_dce80.c,v 1.2 2021/12/18 23:45:05 riastradh Exp $");
     30 
     31 #include "dm_services.h"
     32 #include "include/gpio_types.h"
     33 #include "../hw_factory.h"
     34 
     35 #include "hw_factory_dce80.h"
     36 
     37 #include "../hw_gpio.h"
     38 #include "../hw_ddc.h"
     39 #include "../hw_hpd.h"
     40 #include "../hw_generic.h"
     41 
     42 #include "dce/dce_8_0_d.h"
     43 #include "dce/dce_8_0_sh_mask.h"
     44 
     45 
     46 #define REG(reg_name)\
     47 		mm ## reg_name
     48 
     49 #include "reg_helper.h"
     50 #include "../hpd_regs.h"
     51 
     52 #define HPD_REG_LIST_DCE8(id) \
     53 	HPD_GPIO_REG_LIST(id), \
     54 	.int_status = mmDC_HPD ## id ## _INT_STATUS,\
     55 	.toggle_filt_cntl = mmDC_HPD ## id ## _TOGGLE_FILT_CNTL
     56 
     57 #define HPD_MASK_SH_LIST_DCE8(mask_sh) \
     58 		.DC_HPD_SENSE_DELAYED = DC_HPD1_INT_STATUS__DC_HPD1_SENSE_DELAYED ## mask_sh,\
     59 		.DC_HPD_SENSE = DC_HPD1_INT_STATUS__DC_HPD1_SENSE ## mask_sh,\
     60 		.DC_HPD_CONNECT_INT_DELAY = DC_HPD1_TOGGLE_FILT_CNTL__DC_HPD1_CONNECT_INT_DELAY ## mask_sh,\
     61 		.DC_HPD_DISCONNECT_INT_DELAY = DC_HPD1_TOGGLE_FILT_CNTL__DC_HPD1_DISCONNECT_INT_DELAY ## mask_sh
     62 
     63 #define hpd_regs(id) \
     64 {\
     65 	HPD_REG_LIST_DCE8(id)\
     66 }
     67 
     68 static const struct hpd_registers hpd_regs[] = {
     69 	hpd_regs(1),
     70 	hpd_regs(2),
     71 	hpd_regs(3),
     72 	hpd_regs(4),
     73 	hpd_regs(5),
     74 	hpd_regs(6)
     75 };
     76 
     77 static const struct hpd_sh_mask hpd_shift = {
     78 		HPD_MASK_SH_LIST_DCE8(__SHIFT)
     79 };
     80 
     81 static const struct hpd_sh_mask hpd_mask = {
     82 		HPD_MASK_SH_LIST_DCE8(_MASK)
     83 };
     84 
     85 #include "../ddc_regs.h"
     86 
     87  /* set field name */
     88 #define SF_DDC(reg_name, field_name, post_fix)\
     89 	.field_name = reg_name ## __ ## field_name ## post_fix
     90 
     91 static const struct ddc_registers ddc_data_regs[] = {
     92 	ddc_data_regs(1),
     93 	ddc_data_regs(2),
     94 	ddc_data_regs(3),
     95 	ddc_data_regs(4),
     96 	ddc_data_regs(5),
     97 	ddc_data_regs(6),
     98 	ddc_vga_data_regs,
     99 	ddc_i2c_data_regs
    100 };
    101 
    102 static const struct ddc_registers ddc_clk_regs[] = {
    103 	ddc_clk_regs(1),
    104 	ddc_clk_regs(2),
    105 	ddc_clk_regs(3),
    106 	ddc_clk_regs(4),
    107 	ddc_clk_regs(5),
    108 	ddc_clk_regs(6),
    109 	ddc_vga_clk_regs,
    110 	ddc_i2c_clk_regs
    111 };
    112 
    113 static const struct ddc_sh_mask ddc_shift = {
    114 		DDC_MASK_SH_LIST(__SHIFT)
    115 };
    116 
    117 static const struct ddc_sh_mask ddc_mask = {
    118 		DDC_MASK_SH_LIST(_MASK)
    119 };
    120 
    121 static void define_ddc_registers(
    122 		struct hw_gpio_pin *pin,
    123 		uint32_t en)
    124 {
    125 	struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
    126 
    127 	switch (pin->id) {
    128 	case GPIO_ID_DDC_DATA:
    129 		ddc->regs = &ddc_data_regs[en];
    130 		ddc->base.regs = &ddc_data_regs[en].gpio;
    131 		break;
    132 	case GPIO_ID_DDC_CLOCK:
    133 		ddc->regs = &ddc_clk_regs[en];
    134 		ddc->base.regs = &ddc_clk_regs[en].gpio;
    135 		break;
    136 	default:
    137 		ASSERT_CRITICAL(false);
    138 		return;
    139 	}
    140 
    141 	ddc->shifts = &ddc_shift;
    142 	ddc->masks = &ddc_mask;
    143 
    144 }
    145 
    146 static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
    147 {
    148 	struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
    149 
    150 	hpd->regs = &hpd_regs[en];
    151 	hpd->shifts = &hpd_shift;
    152 	hpd->masks = &hpd_mask;
    153 	hpd->base.regs = &hpd_regs[en].gpio;
    154 }
    155 
    156 static const struct hw_factory_funcs funcs = {
    157 	.init_ddc_data = dal_hw_ddc_init,
    158 	.init_generic = NULL,
    159 	.init_hpd = dal_hw_hpd_init,
    160 	.get_ddc_pin = dal_hw_ddc_get_pin,
    161 	.get_hpd_pin = dal_hw_hpd_get_pin,
    162 	.get_generic_pin = NULL,
    163 	.define_hpd_registers = define_hpd_registers,
    164 	.define_ddc_registers = define_ddc_registers
    165 };
    166 
    167 void dal_hw_factory_dce80_init(
    168 	struct hw_factory *factory)
    169 {
    170 	factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
    171 	factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
    172 	factory->number_of_pins[GPIO_ID_GENERIC] = 7;
    173 	factory->number_of_pins[GPIO_ID_HPD] = 6;
    174 	factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
    175 	factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
    176 	factory->number_of_pins[GPIO_ID_SYNC] = 2;
    177 	factory->number_of_pins[GPIO_ID_GSL] = 4;
    178 
    179 	factory->funcs = &funcs;
    180 }
    181