xref: /linux/drivers/gpu/drm/amd/display/dc/gpio/dcn10/hw_factory_dcn10.c (revision cbecf716ca618fd44feda6bd9a64a8179d031fc5)
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 #include "include/gpio_types.h"
28 #include "../hw_factory.h"
29 
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_dcn10.h"
37 
38 #include "dcn/dcn_1_0_offset.h"
39 #include "dcn/dcn_1_0_sh_mask.h"
40 #include "soc15_hw_ip.h"
41 #include "vega10_ip_offset.h"
42 
43 #define block HPD
44 #define reg_num 0
45 
46 /* set field name */
47 #define SF_HPD(reg_name, field_name, post_fix)\
48 	.field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
49 
50 #define BASE_INNER(seg) \
51 	DCE_BASE__INST0_SEG ## seg
52 
53 /* compile time expand base address. */
54 #define BASE(seg) \
55 	BASE_INNER(seg)
56 
57 #define REG(reg_name)\
58 		BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
59 
60 #define REGI(reg_name, block, id)\
61 	BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
62 				mm ## block ## id ## _ ## reg_name
63 
64 #include "reg_helper.h"
65 #include "../hpd_regs.h"
66 
67 #define hpd_regs(id) \
68 {\
69 	HPD_REG_LIST(id)\
70 }
71 
72 static const struct hpd_registers hpd_regs[] = {
73 	hpd_regs(0),
74 	hpd_regs(1),
75 	hpd_regs(2),
76 	hpd_regs(3),
77 	hpd_regs(4),
78 	hpd_regs(5)
79 };
80 
81 static const struct hpd_sh_mask hpd_shift = {
82 		HPD_MASK_SH_LIST(__SHIFT)
83 };
84 
85 static const struct hpd_sh_mask hpd_mask = {
86 		HPD_MASK_SH_LIST(_MASK)
87 };
88 
89 #include "../ddc_regs.h"
90 
91  /* set field name */
92 #define SF_DDC(reg_name, field_name, post_fix)\
93 	.field_name = reg_name ## __ ## field_name ## post_fix
94 
95 static const struct ddc_registers ddc_data_regs[] = {
96 	ddc_data_regs(1),
97 	ddc_data_regs(2),
98 	ddc_data_regs(3),
99 	ddc_data_regs(4),
100 	ddc_data_regs(5),
101 	ddc_data_regs(6),
102 	ddc_vga_data_regs,
103 	ddc_i2c_data_regs
104 };
105 
106 static const struct ddc_registers ddc_clk_regs[] = {
107 	ddc_clk_regs(1),
108 	ddc_clk_regs(2),
109 	ddc_clk_regs(3),
110 	ddc_clk_regs(4),
111 	ddc_clk_regs(5),
112 	ddc_clk_regs(6),
113 	ddc_vga_clk_regs,
114 	ddc_i2c_clk_regs
115 };
116 
117 static const struct ddc_sh_mask ddc_shift = {
118 		DDC_MASK_SH_LIST(__SHIFT)
119 };
120 
121 static const struct ddc_sh_mask ddc_mask = {
122 		DDC_MASK_SH_LIST(_MASK)
123 };
124 
125 #include "../generic_regs.h"
126 
127 /* set field name */
128 #define SF_GENERIC(reg_name, field_name, post_fix)\
129 	.field_name = reg_name ## __ ## field_name ## post_fix
130 
131 #define generic_regs(id) \
132 {\
133 	GENERIC_REG_LIST(id)\
134 }
135 
136 static const struct generic_registers generic_regs[] = {
137 	generic_regs(A),
138 	generic_regs(B),
139 };
140 
141 static const struct generic_sh_mask generic_shift[] = {
142 	GENERIC_MASK_SH_LIST(__SHIFT, A),
143 	GENERIC_MASK_SH_LIST(__SHIFT, B),
144 };
145 
146 static const struct generic_sh_mask generic_mask[] = {
147 	GENERIC_MASK_SH_LIST(_MASK, A),
148 	GENERIC_MASK_SH_LIST(_MASK, B),
149 };
150 
define_generic_registers(struct hw_gpio_pin * pin,uint32_t en)151 static void define_generic_registers(struct hw_gpio_pin *pin, uint32_t en)
152 {
153 	struct hw_generic *generic = HW_GENERIC_FROM_BASE(pin);
154 
155 	generic->regs = &generic_regs[en];
156 	generic->shifts = &generic_shift[en];
157 	generic->masks = &generic_mask[en];
158 	generic->base.regs = &generic_regs[en].gpio;
159 }
160 
define_ddc_registers(struct hw_gpio_pin * pin,uint32_t en)161 static void define_ddc_registers(
162 		struct hw_gpio_pin *pin,
163 		uint32_t en)
164 {
165 	struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
166 
167 	switch (pin->id) {
168 	case GPIO_ID_DDC_DATA:
169 		ddc->regs = &ddc_data_regs[en];
170 		ddc->base.regs = &ddc_data_regs[en].gpio;
171 		break;
172 	case GPIO_ID_DDC_CLOCK:
173 		ddc->regs = &ddc_clk_regs[en];
174 		ddc->base.regs = &ddc_clk_regs[en].gpio;
175 		break;
176 	default:
177 		ASSERT_CRITICAL(false);
178 		return;
179 	}
180 
181 	ddc->shifts = &ddc_shift;
182 	ddc->masks = &ddc_mask;
183 
184 }
185 
define_hpd_registers(struct hw_gpio_pin * pin,uint32_t en)186 static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
187 {
188 	struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
189 
190 	hpd->regs = &hpd_regs[en];
191 	hpd->shifts = &hpd_shift;
192 	hpd->masks = &hpd_mask;
193 	hpd->base.regs = &hpd_regs[en].gpio;
194 }
195 
196 
197 /* function table */
198 static const struct hw_factory_funcs funcs = {
199 	.init_ddc_data = dal_hw_ddc_init,
200 	.init_generic = dal_hw_generic_init,
201 	.init_hpd = dal_hw_hpd_init,
202 	.get_ddc_pin = dal_hw_ddc_get_pin,
203 	.get_hpd_pin = dal_hw_hpd_get_pin,
204 	.get_generic_pin = dal_hw_generic_get_pin,
205 	.define_hpd_registers = define_hpd_registers,
206 	.define_ddc_registers = define_ddc_registers,
207 	.define_generic_registers = define_generic_registers
208 };
209 /*
210  * dal_hw_factory_dcn10_init
211  *
212  * @brief
213  * Initialize HW factory function pointers and pin info
214  *
215  * @param
216  * struct hw_factory *factory - [out] struct of function pointers
217  */
dal_hw_factory_dcn10_init(struct hw_factory * factory)218 void dal_hw_factory_dcn10_init(struct hw_factory *factory)
219 {
220 	/*TODO check ASIC CAPs*/
221 	factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
222 	factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
223 	factory->number_of_pins[GPIO_ID_GENERIC] = 7;
224 	factory->number_of_pins[GPIO_ID_HPD] = 6;
225 	factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
226 	factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
227 	factory->number_of_pins[GPIO_ID_SYNC] = 2;
228 	factory->number_of_pins[GPIO_ID_GSL] = 4;
229 
230 	factory->funcs = &funcs;
231 }
232