root/drivers/gpu/drm/amd/display/dc/irq_types.h

INCLUDED FROM

   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 #ifndef __DAL_IRQ_TYPES_H__
  27 #define __DAL_IRQ_TYPES_H__
  28 
  29 #include "os_types.h"
  30 
  31 struct dc_context;
  32 
  33 typedef void (*interrupt_handler)(void *);
  34 
  35 typedef void *irq_handler_idx;
  36 #define DAL_INVALID_IRQ_HANDLER_IDX NULL
  37 
  38 /* The order of the IRQ sources is important and MUST match the one's
  39 of base driver */
  40 enum dc_irq_source {
  41         /* Use as mask to specify invalid irq source */
  42         DC_IRQ_SOURCE_INVALID = 0,
  43 
  44         DC_IRQ_SOURCE_HPD1,
  45         DC_IRQ_SOURCE_HPD2,
  46         DC_IRQ_SOURCE_HPD3,
  47         DC_IRQ_SOURCE_HPD4,
  48         DC_IRQ_SOURCE_HPD5,
  49         DC_IRQ_SOURCE_HPD6,
  50 
  51         DC_IRQ_SOURCE_HPD1RX,
  52         DC_IRQ_SOURCE_HPD2RX,
  53         DC_IRQ_SOURCE_HPD3RX,
  54         DC_IRQ_SOURCE_HPD4RX,
  55         DC_IRQ_SOURCE_HPD5RX,
  56         DC_IRQ_SOURCE_HPD6RX,
  57 
  58         DC_IRQ_SOURCE_I2C_DDC1,
  59         DC_IRQ_SOURCE_I2C_DDC2,
  60         DC_IRQ_SOURCE_I2C_DDC3,
  61         DC_IRQ_SOURCE_I2C_DDC4,
  62         DC_IRQ_SOURCE_I2C_DDC5,
  63         DC_IRQ_SOURCE_I2C_DDC6,
  64 
  65         DC_IRQ_SOURCE_DPSINK1,
  66         DC_IRQ_SOURCE_DPSINK2,
  67         DC_IRQ_SOURCE_DPSINK3,
  68         DC_IRQ_SOURCE_DPSINK4,
  69         DC_IRQ_SOURCE_DPSINK5,
  70         DC_IRQ_SOURCE_DPSINK6,
  71 
  72         DC_IRQ_SOURCE_TIMER,
  73 
  74         DC_IRQ_SOURCE_PFLIP_FIRST,
  75         DC_IRQ_SOURCE_PFLIP1 = DC_IRQ_SOURCE_PFLIP_FIRST,
  76         DC_IRQ_SOURCE_PFLIP2,
  77         DC_IRQ_SOURCE_PFLIP3,
  78         DC_IRQ_SOURCE_PFLIP4,
  79         DC_IRQ_SOURCE_PFLIP5,
  80         DC_IRQ_SOURCE_PFLIP6,
  81         DC_IRQ_SOURCE_PFLIP_UNDERLAY0,
  82         DC_IRQ_SOURCE_PFLIP_LAST = DC_IRQ_SOURCE_PFLIP_UNDERLAY0,
  83 
  84         DC_IRQ_SOURCE_GPIOPAD0,
  85         DC_IRQ_SOURCE_GPIOPAD1,
  86         DC_IRQ_SOURCE_GPIOPAD2,
  87         DC_IRQ_SOURCE_GPIOPAD3,
  88         DC_IRQ_SOURCE_GPIOPAD4,
  89         DC_IRQ_SOURCE_GPIOPAD5,
  90         DC_IRQ_SOURCE_GPIOPAD6,
  91         DC_IRQ_SOURCE_GPIOPAD7,
  92         DC_IRQ_SOURCE_GPIOPAD8,
  93         DC_IRQ_SOURCE_GPIOPAD9,
  94         DC_IRQ_SOURCE_GPIOPAD10,
  95         DC_IRQ_SOURCE_GPIOPAD11,
  96         DC_IRQ_SOURCE_GPIOPAD12,
  97         DC_IRQ_SOURCE_GPIOPAD13,
  98         DC_IRQ_SOURCE_GPIOPAD14,
  99         DC_IRQ_SOURCE_GPIOPAD15,
 100         DC_IRQ_SOURCE_GPIOPAD16,
 101         DC_IRQ_SOURCE_GPIOPAD17,
 102         DC_IRQ_SOURCE_GPIOPAD18,
 103         DC_IRQ_SOURCE_GPIOPAD19,
 104         DC_IRQ_SOURCE_GPIOPAD20,
 105         DC_IRQ_SOURCE_GPIOPAD21,
 106         DC_IRQ_SOURCE_GPIOPAD22,
 107         DC_IRQ_SOURCE_GPIOPAD23,
 108         DC_IRQ_SOURCE_GPIOPAD24,
 109         DC_IRQ_SOURCE_GPIOPAD25,
 110         DC_IRQ_SOURCE_GPIOPAD26,
 111         DC_IRQ_SOURCE_GPIOPAD27,
 112         DC_IRQ_SOURCE_GPIOPAD28,
 113         DC_IRQ_SOURCE_GPIOPAD29,
 114         DC_IRQ_SOURCE_GPIOPAD30,
 115 
 116         DC_IRQ_SOURCE_DC1UNDERFLOW,
 117         DC_IRQ_SOURCE_DC2UNDERFLOW,
 118         DC_IRQ_SOURCE_DC3UNDERFLOW,
 119         DC_IRQ_SOURCE_DC4UNDERFLOW,
 120         DC_IRQ_SOURCE_DC5UNDERFLOW,
 121         DC_IRQ_SOURCE_DC6UNDERFLOW,
 122 
 123         DC_IRQ_SOURCE_DMCU_SCP,
 124         DC_IRQ_SOURCE_VBIOS_SW,
 125 
 126         DC_IRQ_SOURCE_VUPDATE1,
 127         DC_IRQ_SOURCE_VUPDATE2,
 128         DC_IRQ_SOURCE_VUPDATE3,
 129         DC_IRQ_SOURCE_VUPDATE4,
 130         DC_IRQ_SOURCE_VUPDATE5,
 131         DC_IRQ_SOURCE_VUPDATE6,
 132 
 133         DC_IRQ_SOURCE_VBLANK1,
 134         DC_IRQ_SOURCE_VBLANK2,
 135         DC_IRQ_SOURCE_VBLANK3,
 136         DC_IRQ_SOURCE_VBLANK4,
 137         DC_IRQ_SOURCE_VBLANK5,
 138         DC_IRQ_SOURCE_VBLANK6,
 139 
 140         DC_IRQ_SOURCE_DC1_VLINE0,
 141         DC_IRQ_SOURCE_DC2_VLINE0,
 142         DC_IRQ_SOURCE_DC3_VLINE0,
 143         DC_IRQ_SOURCE_DC4_VLINE0,
 144         DC_IRQ_SOURCE_DC5_VLINE0,
 145         DC_IRQ_SOURCE_DC6_VLINE0,
 146 
 147         DC_IRQ_SOURCE_DC1_VLINE1,
 148         DC_IRQ_SOURCE_DC2_VLINE1,
 149         DC_IRQ_SOURCE_DC3_VLINE1,
 150         DC_IRQ_SOURCE_DC4_VLINE1,
 151         DC_IRQ_SOURCE_DC5_VLINE1,
 152         DC_IRQ_SOURCE_DC6_VLINE1,
 153 
 154 
 155         DAL_IRQ_SOURCES_NUMBER
 156 };
 157 
 158 enum irq_type
 159 {
 160         IRQ_TYPE_PFLIP = DC_IRQ_SOURCE_PFLIP1,
 161         IRQ_TYPE_VUPDATE = DC_IRQ_SOURCE_VUPDATE1,
 162         IRQ_TYPE_VBLANK = DC_IRQ_SOURCE_VBLANK1,
 163 };
 164 
 165 #define DAL_VALID_IRQ_SRC_NUM(src) \
 166         ((src) <= DAL_IRQ_SOURCES_NUMBER && (src) > DC_IRQ_SOURCE_INVALID)
 167 
 168 /* Number of Page Flip IRQ Sources. */
 169 #define DAL_PFLIP_IRQ_SRC_NUM \
 170         (DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1)
 171 
 172 /* the number of contexts may be expanded in the future based on needs */
 173 enum dc_interrupt_context {
 174         INTERRUPT_LOW_IRQ_CONTEXT = 0,
 175         INTERRUPT_HIGH_IRQ_CONTEXT,
 176         INTERRUPT_CONTEXT_NUMBER
 177 };
 178 
 179 enum dc_interrupt_porlarity {
 180         INTERRUPT_POLARITY_DEFAULT = 0,
 181         INTERRUPT_POLARITY_LOW = INTERRUPT_POLARITY_DEFAULT,
 182         INTERRUPT_POLARITY_HIGH,
 183         INTERRUPT_POLARITY_BOTH
 184 };
 185 
 186 #define DC_DECODE_INTERRUPT_POLARITY(int_polarity) \
 187         (int_polarity == INTERRUPT_POLARITY_LOW) ? "Low" : \
 188         (int_polarity == INTERRUPT_POLARITY_HIGH) ? "High" : \
 189         (int_polarity == INTERRUPT_POLARITY_BOTH) ? "Both" : "Invalid"
 190 
 191 struct dc_timer_interrupt_params {
 192         uint32_t micro_sec_interval;
 193         enum dc_interrupt_context int_context;
 194 };
 195 
 196 struct dc_interrupt_params {
 197         /* The polarity *change* which will trigger an interrupt.
 198          * If 'requested_polarity == INTERRUPT_POLARITY_BOTH', then
 199          * 'current_polarity' must be initialised. */
 200         enum dc_interrupt_porlarity requested_polarity;
 201         /* If 'requested_polarity == INTERRUPT_POLARITY_BOTH',
 202          * 'current_polarity' should contain the current state, which means
 203          * the interrupt will be triggered when state changes from what is,
 204          * in 'current_polarity'. */
 205         enum dc_interrupt_porlarity current_polarity;
 206         enum dc_irq_source irq_source;
 207         enum dc_interrupt_context int_context;
 208 };
 209 
 210 #endif