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