root/drivers/gpu/drm/amd/display/dc/gpio/dce120/hw_factory_dce120.c

DEFINITIONS

1. define_ddc_registers
2. define_hpd_registers
3. dal_hw_factory_dce120_init

   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 #include "../hw_gpio.h"
  31 #include "../hw_ddc.h"
  32 #include "../hw_hpd.h"
  33 #include "../hw_generic.h"
  34 
  35 #include "hw_factory_dce120.h"
  36 
  37 #include "dce/dce_12_0_offset.h"
  38 #include "dce/dce_12_0_sh_mask.h"
  39 #include "soc15_hw_ip.h"
  40 #include "vega10_ip_offset.h"
  41 
  42 #define block HPD
  43 #define reg_num 0
  44 
  45 /* set field name */
  46 #define SF_HPD(reg_name, field_name, post_fix)\
  47         .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
  48 
  49 /* set field name */
  50 #define SF_HPD(reg_name, field_name, post_fix)\
  51         .field_name = HPD0_ ## reg_name ## __ ## field_name ## post_fix
  52 
  53 #define BASE_INNER(seg) \
  54         DCE_BASE__INST0_SEG ## seg
  55 
  56 /* compile time expand base address. */
  57 #define BASE(seg) \
  58         BASE_INNER(seg)
  59 
  60 #define REG(reg_name)\
  61                 BASE(mm ## reg_name ## _BASE_IDX) + mm ## reg_name
  62 
  63 #define REGI(reg_name, block, id)\
  64         BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \
  65                                 mm ## block ## id ## _ ## reg_name
  66 
  67 
  68 #include "reg_helper.h"
  69 #include "../hpd_regs.h"
  70 
  71 #define hpd_regs(id) \
  72 {\
  73         HPD_REG_LIST(id)\
  74 }
  75 
  76 static const struct hpd_registers hpd_regs[] = {
  77         hpd_regs(0),
  78         hpd_regs(1),
  79         hpd_regs(2),
  80         hpd_regs(3),
  81         hpd_regs(4),
  82         hpd_regs(5)
  83 };
  84 
  85 static const struct hpd_sh_mask hpd_shift = {
  86                 HPD_MASK_SH_LIST(__SHIFT)
  87 };
  88 
  89 static const struct hpd_sh_mask hpd_mask = {
  90                 HPD_MASK_SH_LIST(_MASK)
  91 };
  92 
  93 #include "../ddc_regs.h"
  94 
  95  /* set field name */
  96 #define SF_DDC(reg_name, field_name, post_fix)\
  97         .field_name = reg_name ## __ ## field_name ## post_fix
  98 
  99 static const struct ddc_registers ddc_data_regs[] = {
 100         ddc_data_regs(1),
 101         ddc_data_regs(2),
 102         ddc_data_regs(3),
 103         ddc_data_regs(4),
 104         ddc_data_regs(5),
 105         ddc_data_regs(6),
 106         ddc_vga_data_regs,
 107         ddc_i2c_data_regs
 108 };
 109 
 110 static const struct ddc_registers ddc_clk_regs[] = {
 111         ddc_clk_regs(1),
 112         ddc_clk_regs(2),
 113         ddc_clk_regs(3),
 114         ddc_clk_regs(4),
 115         ddc_clk_regs(5),
 116         ddc_clk_regs(6),
 117         ddc_vga_clk_regs,
 118         ddc_i2c_clk_regs
 119 };
 120 
 121 static const struct ddc_sh_mask ddc_shift = {
 122                 DDC_MASK_SH_LIST(__SHIFT)
 123 };
 124 
 125 static const struct ddc_sh_mask ddc_mask = {
 126                 DDC_MASK_SH_LIST(_MASK)
 127 };
 128 
 129 static void define_ddc_registers(
 130                 struct hw_gpio_pin *pin,
 131                 uint32_t en)
 132 {
 133         struct hw_ddc *ddc = HW_DDC_FROM_BASE(pin);
 134 
 135         switch (pin->id) {
 136         case GPIO_ID_DDC_DATA:
 137                 ddc->regs = &ddc_data_regs[en];
 138                 ddc->base.regs = &ddc_data_regs[en].gpio;
 139                 break;
 140         case GPIO_ID_DDC_CLOCK:
 141                 ddc->regs = &ddc_clk_regs[en];
 142                 ddc->base.regs = &ddc_clk_regs[en].gpio;
 143                 break;
 144         default:
 145                 ASSERT_CRITICAL(false);
 146                 return;
 147         }
 148 
 149         ddc->shifts = &ddc_shift;
 150         ddc->masks = &ddc_mask;
 151 
 152 }
 153 
 154 static void define_hpd_registers(struct hw_gpio_pin *pin, uint32_t en)
 155 {
 156         struct hw_hpd *hpd = HW_HPD_FROM_BASE(pin);
 157 
 158         hpd->regs = &hpd_regs[en];
 159         hpd->shifts = &hpd_shift;
 160         hpd->masks = &hpd_mask;
 161         hpd->base.regs = &hpd_regs[en].gpio;
 162 }
 163 
 164 
 165 /* fucntion table */
 166 static const struct hw_factory_funcs funcs = {
 167         .init_ddc_data = dal_hw_ddc_init,
 168         .init_generic = NULL,
 169         .init_hpd = dal_hw_hpd_init,
 170         .get_ddc_pin = dal_hw_ddc_get_pin,
 171         .get_hpd_pin = dal_hw_hpd_get_pin,
 172         .get_generic_pin = NULL,
 173         .define_hpd_registers = define_hpd_registers,
 174         .define_ddc_registers = define_ddc_registers
 175 };
 176 /*
 177  * dal_hw_factory_dce120_init
 178  *
 179  * @brief
 180  * Initialize HW factory function pointers and pin info
 181  *
 182  * @param
 183  * struct hw_factory *factory - [out] struct of function pointers
 184  */
 185 void dal_hw_factory_dce120_init(struct hw_factory *factory)
 186 {
 187         /*TODO check ASIC CAPs*/
 188         factory->number_of_pins[GPIO_ID_DDC_DATA] = 8;
 189         factory->number_of_pins[GPIO_ID_DDC_CLOCK] = 8;
 190         factory->number_of_pins[GPIO_ID_GENERIC] = 7;
 191         factory->number_of_pins[GPIO_ID_HPD] = 6;
 192         factory->number_of_pins[GPIO_ID_GPIO_PAD] = 31;
 193         factory->number_of_pins[GPIO_ID_VIP_PAD] = 0;
 194         factory->number_of_pins[GPIO_ID_SYNC] = 2;
 195         factory->number_of_pins[GPIO_ID_GSL] = 4;
 196 
 197         factory->funcs = &funcs;
 198 }