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hw_factory_dce110.c

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linux-6.19.14/drivers/gpu/drm/amd/display/dc/gpio/dce110/hw_factory_dce110.c C
  1/*
  2 * Copyright 2013-15 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#include "dm_services.h"
 27
 28#include "include/gpio_types.h"
 29#include "../hw_factory.h"
 30
 31#include "../hw_gpio.h"
 32#include "../hw_ddc.h"
 33#include "../hw_hpd.h"
 34#include "../hw_generic.h"
 35
 36#include "hw_factory_dce110.h"
 37
 38#include "dce/dce_11_0_d.h"
 39#include "dce/dce_11_0_sh_mask.h"
 40
 41/* set field name */
 42#define SF_HPD(reg_name, field_name, post_fix)\
 43	.field_name = reg_name ## __ ## field_name ## post_fix
 44
 45#define REG(reg_name)\
 46		mm ## reg_name
 47
 48#define REGI(reg_name, block, id)\
 49	mm ## block ## id ## _ ## reg_name
 50
 51#include "reg_helper.h"
 52#include "../hpd_regs.h"
 53
 54#define hpd_regs(id) \
 55{\
 56	HPD_REG_LIST(id)\
 57}
 58
 59static const struct hpd_registers hpd_regs[] = {
 60	hpd_regs(0),
 61	hpd_regs(1),
 62	hpd_regs(2),
 63	hpd_regs(3),
 64	hpd_regs(4),
 65	hpd_regs(5)
 66};
 67
 68static const struct hpd_sh_mask hpd_shift = {
 69		HPD_MASK_SH_LIST(__SHIFT)
 70};
 71
 72static const struct hpd_sh_mask hpd_mask = {
 73		HPD_MASK_SH_LIST(_MASK)
 74};
 75
 76#include "../ddc_regs.h"
 77
 78 /* set field name */
 79#define SF_DDC(reg_name, field_name, post_fix)\
 80	.field_name = reg_name ## __ ## field_name ## post_fix
 81
 82static const struct ddc_registers ddc_data_regs[] = {
 83	ddc_data_regs(1),
 84	ddc_data_regs(2),
 85	ddc_data_regs(3),
 86	ddc_data_regs(4),
 87	ddc_data_regs(5),
 88	ddc_data_regs(6),
 89	ddc_vga_data_regs,
 90	ddc_i2c_data_regs
 91};
 92
 93static const struct ddc_registers ddc_clk_regs[] = {
 94	ddc_clk_regs(1),
 95	ddc_clk_regs(2),
 96	ddc_clk_regs(3),
 97	ddc_clk_regs(4),
 98	ddc_clk_regs(5),
 99	ddc_clk_regs(6),
100	ddc_vga_clk_regs,
101	ddc_i2c_clk_regs
102};
103
104static const struct ddc_sh_mask ddc_shift = {
105		DDC_MASK_SH_LIST(__SHIFT)
106};
107
108static const struct ddc_sh_mask ddc_mask = {
109		DDC_MASK_SH_LIST(_MASK)
110};
111
112static void define_ddc_registers(
113		struct hw_gpio_pin *pin,
114		uint32_t en)
115{
116	struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
117
118	switch (pin->id) {
119	case GPIO_ID_DDC_DATA:
120		ddc->regs = &ddc_data_regs[en];
121		ddc->base.regs = &ddc_data_regs[en].gpio;
122		break;
123	case GPIO_ID_DDC_CLOCK:
124		ddc->regs = &ddc_clk_regs[en];
125		ddc->base.regs = &ddc_clk_regs[en].gpio;
126		break;
127	default:
128		ASSERT_CRITICAL(false);
129		return;
130	}
131
132	ddc->shifts = &ddc_shift;
133	ddc->masks = &ddc_mask;
134
135}
136
137static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
138{
139	struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
140
141	hpd->regs = &hpd_regs[en];
142	hpd->shifts = &hpd_shift;
143	hpd->masks = &hpd_mask;
144	hpd->base.regs = &hpd_regs[en].gpio;
145}
146
147static const struct hw_factory_funcs funcs = {
148	.init_ddc_data = dal_hw_ddc_init,
149	.init_generic = NULL,
150	.init_hpd = dal_hw_hpd_init,
151	.get_ddc_pin = dal_hw_ddc_get_pin,
152	.get_hpd_pin = dal_hw_hpd_get_pin,
153	.get_generic_pin = NULL,
154	.define_hpd_registers = define_hpd_registers,
155	.define_ddc_registers = define_ddc_registers
156};
157
158/*
159 * dal_hw_factory_dce110_init
160 *
161 * @brief
162 * Initialize HW factory function pointers and pin info
163 *
164 * @param
165 * struct hw_factory *factory - [out] struct of function pointers
166 */
167void dal_hw_factory_dce110_init(struct hw_factory *factory)
168{
169	/*TODO check ASIC CAPs*/
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}
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