drivers/gpu/drm/amd/display/dc/irq/dce80/irq_service_dce80.c

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