1/* $NetBSD: amdgpu_irq_service_dce120.c,v 1.2 2021/12/18 23:45:06 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_irq_service_dce120.c,v 1.2 2021/12/18 23:45:06 riastradh Exp $"); 30 31#include <linux/slab.h> 32 33#include "dm_services.h" 34 35#include "include/logger_interface.h" 36 37#include "irq_service_dce120.h" 38#include "../dce110/irq_service_dce110.h" 39 40#include "dce/dce_12_0_offset.h" 41#include "dce/dce_12_0_sh_mask.h" 42#include "soc15_hw_ip.h" 43#include "vega10_ip_offset.h" 44 45#include "ivsrcid/ivsrcid_vislands30.h" 46 47static bool hpd_ack( 48 struct irq_service *irq_service, 49 const struct irq_source_info *info) 50{ 51 uint32_t addr = info->status_reg; 52 uint32_t value = dm_read_reg(irq_service->ctx, addr); 53 uint32_t current_status = 54 get_reg_field_value( 55 value, 56 HPD0_DC_HPD_INT_STATUS, 57 DC_HPD_SENSE_DELAYED); 58 59 dal_irq_service_ack_generic(irq_service, info); 60 61 value = dm_read_reg(irq_service->ctx, info->enable_reg); 62 63 set_reg_field_value( 64 value, 65 current_status ? 0 : 1, 66 HPD0_DC_HPD_INT_CONTROL, 67 DC_HPD_INT_POLARITY); 68 69 dm_write_reg(irq_service->ctx, info->enable_reg, value); 70 71 return true; 72} 73 74static const struct irq_source_info_funcs hpd_irq_info_funcs = { 75 .set = NULL, 76 .ack = hpd_ack 77}; 78 79static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 80 .set = NULL, 81 .ack = NULL 82}; 83 84static const struct irq_source_info_funcs pflip_irq_info_funcs = { 85 .set = NULL, 86 .ack = NULL 87}; 88 89static const struct irq_source_info_funcs vblank_irq_info_funcs = { 90 .set = dce110_vblank_set, 91 .ack = NULL 92}; 93 94static const struct irq_source_info_funcs vupdate_irq_info_funcs = { 95 .set = NULL, 96 .ack = NULL 97}; 98 99#define BASE_INNER(seg) \ 100 DCE_BASE__INST0_SEG ## seg 101 102#define BASE(seg) \ 103 BASE_INNER(seg) 104 105#define SRI(reg_name, block, id)\ 106 BASE(mm ## block ## id ## _ ## reg_name ## _BASE_IDX) + \ 107 mm ## block ## id ## _ ## reg_name 108 109 110#define IRQ_REG_ENTRY(block, reg_num, reg1, mask1, reg2, mask2)\ 111 .enable_reg = SRI(reg1, block, reg_num),\ 112 .enable_mask = \ 113 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 114 .enable_value = {\ 115 block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK,\ 116 ~block ## reg_num ## _ ## reg1 ## __ ## mask1 ## _MASK \ 117 },\ 118 .ack_reg = SRI(reg2, block, reg_num),\ 119 .ack_mask = \ 120 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK,\ 121 .ack_value = \ 122 block ## reg_num ## _ ## reg2 ## __ ## mask2 ## _MASK \ 123 124#define hpd_int_entry(reg_num)\ 125 [DC_IRQ_SOURCE_HPD1 + reg_num] = {\ 126 IRQ_REG_ENTRY(HPD, reg_num,\ 127 DC_HPD_INT_CONTROL, DC_HPD_INT_EN,\ 128 DC_HPD_INT_CONTROL, DC_HPD_INT_ACK),\ 129 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 130 .funcs = &hpd_irq_info_funcs\ 131 } 132 133#define hpd_rx_int_entry(reg_num)\ 134 [DC_IRQ_SOURCE_HPD1RX + reg_num] = {\ 135 IRQ_REG_ENTRY(HPD, reg_num,\ 136 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_EN,\ 137 DC_HPD_INT_CONTROL, DC_HPD_RX_INT_ACK),\ 138 .status_reg = SRI(DC_HPD_INT_STATUS, HPD, reg_num),\ 139 .funcs = &hpd_rx_irq_info_funcs\ 140 } 141#define pflip_int_entry(reg_num)\ 142 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 143 IRQ_REG_ENTRY(DCP, reg_num, \ 144 GRPH_INTERRUPT_CONTROL, GRPH_PFLIP_INT_MASK, \ 145 GRPH_INTERRUPT_STATUS, GRPH_PFLIP_INT_CLEAR),\ 146 .status_reg = SRI(GRPH_INTERRUPT_STATUS, DCP, reg_num),\ 147 .funcs = &pflip_irq_info_funcs\ 148 } 149 150#define vupdate_int_entry(reg_num)\ 151 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 152 IRQ_REG_ENTRY(CRTC, reg_num,\ 153 CRTC_INTERRUPT_CONTROL, CRTC_V_UPDATE_INT_MSK,\ 154 CRTC_V_UPDATE_INT_STATUS, CRTC_V_UPDATE_INT_CLEAR),\ 155 .funcs = &vupdate_irq_info_funcs\ 156 } 157 158#define vblank_int_entry(reg_num)\ 159 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 160 IRQ_REG_ENTRY(CRTC, reg_num,\ 161 CRTC_VERTICAL_INTERRUPT0_CONTROL, CRTC_VERTICAL_INTERRUPT0_INT_ENABLE,\ 162 CRTC_VERTICAL_INTERRUPT0_CONTROL, CRTC_VERTICAL_INTERRUPT0_CLEAR),\ 163 .funcs = &vblank_irq_info_funcs,\ 164 .src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\ 165 } 166 167#define dummy_irq_entry() \ 168 {\ 169 .funcs = &dummy_irq_info_funcs\ 170 } 171 172#define i2c_int_entry(reg_num) \ 173 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 174 175#define dp_sink_int_entry(reg_num) \ 176 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 177 178#define gpio_pad_int_entry(reg_num) \ 179 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 180 181#define dc_underflow_int_entry(reg_num) \ 182 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 183 184static const struct irq_source_info_funcs dummy_irq_info_funcs = { 185 .set = dal_irq_service_dummy_set, 186 .ack = dal_irq_service_dummy_ack 187}; 188 189static const struct irq_source_info 190irq_source_info_dce120[DAL_IRQ_SOURCES_NUMBER] = { 191 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 192 hpd_int_entry(0), 193 hpd_int_entry(1), 194 hpd_int_entry(2), 195 hpd_int_entry(3), 196 hpd_int_entry(4), 197 hpd_int_entry(5), 198 hpd_rx_int_entry(0), 199 hpd_rx_int_entry(1), 200 hpd_rx_int_entry(2), 201 hpd_rx_int_entry(3), 202 hpd_rx_int_entry(4), 203 hpd_rx_int_entry(5), 204 i2c_int_entry(1), 205 i2c_int_entry(2), 206 i2c_int_entry(3), 207 i2c_int_entry(4), 208 i2c_int_entry(5), 209 i2c_int_entry(6), 210 dp_sink_int_entry(1), 211 dp_sink_int_entry(2), 212 dp_sink_int_entry(3), 213 dp_sink_int_entry(4), 214 dp_sink_int_entry(5), 215 dp_sink_int_entry(6), 216 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 217 pflip_int_entry(0), 218 pflip_int_entry(1), 219 pflip_int_entry(2), 220 pflip_int_entry(3), 221 pflip_int_entry(4), 222 pflip_int_entry(5), 223 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 224 gpio_pad_int_entry(0), 225 gpio_pad_int_entry(1), 226 gpio_pad_int_entry(2), 227 gpio_pad_int_entry(3), 228 gpio_pad_int_entry(4), 229 gpio_pad_int_entry(5), 230 gpio_pad_int_entry(6), 231 gpio_pad_int_entry(7), 232 gpio_pad_int_entry(8), 233 gpio_pad_int_entry(9), 234 gpio_pad_int_entry(10), 235 gpio_pad_int_entry(11), 236 gpio_pad_int_entry(12), 237 gpio_pad_int_entry(13), 238 gpio_pad_int_entry(14), 239 gpio_pad_int_entry(15), 240 gpio_pad_int_entry(16), 241 gpio_pad_int_entry(17), 242 gpio_pad_int_entry(18), 243 gpio_pad_int_entry(19), 244 gpio_pad_int_entry(20), 245 gpio_pad_int_entry(21), 246 gpio_pad_int_entry(22), 247 gpio_pad_int_entry(23), 248 gpio_pad_int_entry(24), 249 gpio_pad_int_entry(25), 250 gpio_pad_int_entry(26), 251 gpio_pad_int_entry(27), 252 gpio_pad_int_entry(28), 253 gpio_pad_int_entry(29), 254 gpio_pad_int_entry(30), 255 dc_underflow_int_entry(1), 256 dc_underflow_int_entry(2), 257 dc_underflow_int_entry(3), 258 dc_underflow_int_entry(4), 259 dc_underflow_int_entry(5), 260 dc_underflow_int_entry(6), 261 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 262 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 263 vupdate_int_entry(0), 264 vupdate_int_entry(1), 265 vupdate_int_entry(2), 266 vupdate_int_entry(3), 267 vupdate_int_entry(4), 268 vupdate_int_entry(5), 269 vblank_int_entry(0), 270 vblank_int_entry(1), 271 vblank_int_entry(2), 272 vblank_int_entry(3), 273 vblank_int_entry(4), 274 vblank_int_entry(5), 275}; 276 277static const struct irq_service_funcs irq_service_funcs_dce120 = { 278 .to_dal_irq_source = to_dal_irq_source_dce110 279}; 280 281static void dce120_irq_construct( 282 struct irq_service *irq_service, 283 struct irq_service_init_data *init_data) 284{ 285 dal_irq_service_construct(irq_service, init_data); 286 287 irq_service->info = irq_source_info_dce120; 288 irq_service->funcs = &irq_service_funcs_dce120; 289} 290 291struct irq_service *dal_irq_service_dce120_create( 292 struct irq_service_init_data *init_data) 293{ 294 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 295 GFP_KERNEL); 296 297 if (!irq_service) 298 return NULL; 299 300 dce120_irq_construct(irq_service, init_data); 301 return irq_service; 302} 303