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 <linux/slab.h> 27 28 #include "dm_services.h" 29 30 #include "include/logger_interface.h" 31 32 #include "irq_service_dce80.h" 33 #include "../dce110/irq_service_dce110.h" 34 35 #include "dce/dce_8_0_d.h" 36 #include "dce/dce_8_0_sh_mask.h" 37 38 #include "ivsrcid/ivsrcid_vislands30.h" 39 40 #include "dc_types.h" 41 42 static bool hpd_ack( 43 struct irq_service *irq_service, 44 const struct irq_source_info *info) 45 { 46 uint32_t addr = info->status_reg; 47 uint32_t value = dm_read_reg(irq_service->ctx, addr); 48 uint32_t current_status = 49 get_reg_field_value( 50 value, 51 DC_HPD1_INT_STATUS, 52 DC_HPD1_SENSE_DELAYED); 53 54 dal_irq_service_ack_generic(irq_service, info); 55 56 value = dm_read_reg(irq_service->ctx, info->enable_reg); 57 58 set_reg_field_value( 59 value, 60 current_status ? 0 : 1, 61 DC_HPD1_INT_CONTROL, 62 DC_HPD1_INT_POLARITY); 63 64 dm_write_reg(irq_service->ctx, info->enable_reg, value); 65 66 return true; 67 } 68 69 static const struct irq_source_info_funcs hpd_irq_info_funcs = { 70 .set = NULL, 71 .ack = hpd_ack 72 }; 73 74 static const struct irq_source_info_funcs hpd_rx_irq_info_funcs = { 75 .set = NULL, 76 .ack = NULL 77 }; 78 79 static const struct irq_source_info_funcs pflip_irq_info_funcs = { 80 .set = NULL, 81 .ack = NULL 82 }; 83 84 static const struct irq_source_info_funcs vblank_irq_info_funcs = { 85 .set = dce110_vblank_set, 86 .ack = NULL 87 }; 88 89 static const struct irq_source_info_funcs vupdate_irq_info_funcs = { 90 .set = NULL, 91 .ack = NULL 92 }; 93 94 #define hpd_int_entry(reg_num)\ 95 [DC_IRQ_SOURCE_INVALID + reg_num] = {\ 96 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 97 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ 98 .enable_value = {\ 99 DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK,\ 100 ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK\ 101 },\ 102 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 103 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ 104 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK,\ 105 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ 106 .funcs = &hpd_irq_info_funcs\ 107 } 108 109 #define hpd_rx_int_entry(reg_num)\ 110 [DC_IRQ_SOURCE_HPD6 + reg_num] = {\ 111 .enable_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 112 .enable_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ 113 .enable_value = {\ 114 DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK,\ 115 ~DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_EN_MASK },\ 116 .ack_reg = mmDC_HPD ## reg_num ## _INT_CONTROL,\ 117 .ack_mask = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ 118 .ack_value = DC_HPD1_INT_CONTROL__DC_HPD1_RX_INT_ACK_MASK,\ 119 .status_reg = mmDC_HPD ## reg_num ## _INT_STATUS,\ 120 .funcs = &hpd_rx_irq_info_funcs\ 121 } 122 123 #define pflip_int_entry(reg_num)\ 124 [DC_IRQ_SOURCE_PFLIP1 + reg_num] = {\ 125 .enable_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_CONTROL,\ 126 .enable_mask =\ 127 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 128 .enable_value = {\ 129 GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK,\ 130 ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK},\ 131 .ack_reg = mmDCP ## reg_num ## _GRPH_INTERRUPT_STATUS,\ 132 .ack_mask = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 133 .ack_value = GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK,\ 134 .status_reg = mmDCP ## reg_num ##_GRPH_INTERRUPT_STATUS,\ 135 .funcs = &pflip_irq_info_funcs\ 136 } 137 138 #define vupdate_int_entry(reg_num)\ 139 [DC_IRQ_SOURCE_VUPDATE1 + reg_num] = {\ 140 .enable_reg = mmCRTC ## reg_num ## _CRTC_INTERRUPT_CONTROL,\ 141 .enable_mask =\ 142 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 143 .enable_value = {\ 144 CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK,\ 145 ~CRTC_INTERRUPT_CONTROL__CRTC_V_UPDATE_INT_MSK_MASK},\ 146 .ack_reg = mmCRTC ## reg_num ## _CRTC_V_UPDATE_INT_STATUS,\ 147 .ack_mask =\ 148 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 149 .ack_value =\ 150 CRTC_V_UPDATE_INT_STATUS__CRTC_V_UPDATE_INT_CLEAR_MASK,\ 151 .funcs = &vupdate_irq_info_funcs\ 152 } 153 154 #define vblank_int_entry(reg_num)\ 155 [DC_IRQ_SOURCE_VBLANK1 + reg_num] = {\ 156 .enable_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ 157 .enable_mask =\ 158 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ 159 .enable_value = {\ 160 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK,\ 161 ~CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_INT_ENABLE_MASK},\ 162 .ack_reg = mmCRTC ## reg_num ## _CRTC_VERTICAL_INTERRUPT0_CONTROL,\ 163 .ack_mask =\ 164 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ 165 .ack_value =\ 166 CRTC_VERTICAL_INTERRUPT0_CONTROL__CRTC_VERTICAL_INTERRUPT0_CLEAR_MASK,\ 167 .funcs = &vblank_irq_info_funcs,\ 168 .src_id = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0 + reg_num\ 169 } 170 171 #define dummy_irq_entry() \ 172 {\ 173 .funcs = &dummy_irq_info_funcs\ 174 } 175 176 #define i2c_int_entry(reg_num) \ 177 [DC_IRQ_SOURCE_I2C_DDC ## reg_num] = dummy_irq_entry() 178 179 #define dp_sink_int_entry(reg_num) \ 180 [DC_IRQ_SOURCE_DPSINK ## reg_num] = dummy_irq_entry() 181 182 #define gpio_pad_int_entry(reg_num) \ 183 [DC_IRQ_SOURCE_GPIOPAD ## reg_num] = dummy_irq_entry() 184 185 #define dc_underflow_int_entry(reg_num) \ 186 [DC_IRQ_SOURCE_DC ## reg_num ## UNDERFLOW] = dummy_irq_entry() 187 188 189 static const struct irq_source_info_funcs dummy_irq_info_funcs = { 190 .set = dal_irq_service_dummy_set, 191 .ack = dal_irq_service_dummy_ack 192 }; 193 194 static const struct irq_source_info 195 irq_source_info_dce80[DAL_IRQ_SOURCES_NUMBER] = { 196 [DC_IRQ_SOURCE_INVALID] = dummy_irq_entry(), 197 hpd_int_entry(1), 198 hpd_int_entry(2), 199 hpd_int_entry(3), 200 hpd_int_entry(4), 201 hpd_int_entry(5), 202 hpd_int_entry(6), 203 hpd_rx_int_entry(1), 204 hpd_rx_int_entry(2), 205 hpd_rx_int_entry(3), 206 hpd_rx_int_entry(4), 207 hpd_rx_int_entry(5), 208 hpd_rx_int_entry(6), 209 i2c_int_entry(1), 210 i2c_int_entry(2), 211 i2c_int_entry(3), 212 i2c_int_entry(4), 213 i2c_int_entry(5), 214 i2c_int_entry(6), 215 dp_sink_int_entry(1), 216 dp_sink_int_entry(2), 217 dp_sink_int_entry(3), 218 dp_sink_int_entry(4), 219 dp_sink_int_entry(5), 220 dp_sink_int_entry(6), 221 [DC_IRQ_SOURCE_TIMER] = dummy_irq_entry(), 222 pflip_int_entry(0), 223 pflip_int_entry(1), 224 pflip_int_entry(2), 225 pflip_int_entry(3), 226 pflip_int_entry(4), 227 pflip_int_entry(5), 228 [DC_IRQ_SOURCE_PFLIP_UNDERLAY0] = dummy_irq_entry(), 229 gpio_pad_int_entry(0), 230 gpio_pad_int_entry(1), 231 gpio_pad_int_entry(2), 232 gpio_pad_int_entry(3), 233 gpio_pad_int_entry(4), 234 gpio_pad_int_entry(5), 235 gpio_pad_int_entry(6), 236 gpio_pad_int_entry(7), 237 gpio_pad_int_entry(8), 238 gpio_pad_int_entry(9), 239 gpio_pad_int_entry(10), 240 gpio_pad_int_entry(11), 241 gpio_pad_int_entry(12), 242 gpio_pad_int_entry(13), 243 gpio_pad_int_entry(14), 244 gpio_pad_int_entry(15), 245 gpio_pad_int_entry(16), 246 gpio_pad_int_entry(17), 247 gpio_pad_int_entry(18), 248 gpio_pad_int_entry(19), 249 gpio_pad_int_entry(20), 250 gpio_pad_int_entry(21), 251 gpio_pad_int_entry(22), 252 gpio_pad_int_entry(23), 253 gpio_pad_int_entry(24), 254 gpio_pad_int_entry(25), 255 gpio_pad_int_entry(26), 256 gpio_pad_int_entry(27), 257 gpio_pad_int_entry(28), 258 gpio_pad_int_entry(29), 259 gpio_pad_int_entry(30), 260 dc_underflow_int_entry(1), 261 dc_underflow_int_entry(2), 262 dc_underflow_int_entry(3), 263 dc_underflow_int_entry(4), 264 dc_underflow_int_entry(5), 265 dc_underflow_int_entry(6), 266 [DC_IRQ_SOURCE_DMCU_SCP] = dummy_irq_entry(), 267 [DC_IRQ_SOURCE_VBIOS_SW] = dummy_irq_entry(), 268 vupdate_int_entry(0), 269 vupdate_int_entry(1), 270 vupdate_int_entry(2), 271 vupdate_int_entry(3), 272 vupdate_int_entry(4), 273 vupdate_int_entry(5), 274 vblank_int_entry(0), 275 vblank_int_entry(1), 276 vblank_int_entry(2), 277 vblank_int_entry(3), 278 vblank_int_entry(4), 279 vblank_int_entry(5), 280 }; 281 282 static const struct irq_service_funcs irq_service_funcs_dce80 = { 283 .to_dal_irq_source = to_dal_irq_source_dce110 284 }; 285 286 static void construct( 287 struct irq_service *irq_service, 288 struct irq_service_init_data *init_data) 289 { 290 dal_irq_service_construct(irq_service, init_data); 291 292 irq_service->info = irq_source_info_dce80; 293 irq_service->funcs = &irq_service_funcs_dce80; 294 } 295 296 struct irq_service *dal_irq_service_dce80_create( 297 struct irq_service_init_data *init_data) 298 { 299 struct irq_service *irq_service = kzalloc(sizeof(*irq_service), 300 GFP_KERNEL); 301 302 if (!irq_service) 303 return NULL; 304 305 construct(irq_service, init_data); 306 return irq_service; 307 } 308 309 310