cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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grph_object_id.h (8136B)


      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_GRPH_OBJECT_ID_H__
     27#define __DAL_GRPH_OBJECT_ID_H__
     28
     29/* Types of graphics objects */
     30enum object_type {
     31	OBJECT_TYPE_UNKNOWN  = 0,
     32
     33	/* Direct ATOM BIOS translation */
     34	OBJECT_TYPE_GPU,
     35	OBJECT_TYPE_ENCODER,
     36	OBJECT_TYPE_CONNECTOR,
     37	OBJECT_TYPE_ROUTER,
     38	OBJECT_TYPE_GENERIC,
     39
     40	/* Driver specific */
     41	OBJECT_TYPE_AUDIO,
     42	OBJECT_TYPE_CONTROLLER,
     43	OBJECT_TYPE_CLOCK_SOURCE,
     44	OBJECT_TYPE_ENGINE,
     45
     46	OBJECT_TYPE_COUNT
     47};
     48
     49/* Enumeration inside one type of graphics objects */
     50enum object_enum_id {
     51	ENUM_ID_UNKNOWN = 0,
     52	ENUM_ID_1,
     53	ENUM_ID_2,
     54	ENUM_ID_3,
     55	ENUM_ID_4,
     56	ENUM_ID_5,
     57	ENUM_ID_6,
     58	ENUM_ID_7,
     59
     60	ENUM_ID_COUNT
     61};
     62
     63/* Generic object ids */
     64enum generic_id {
     65	GENERIC_ID_UNKNOWN = 0,
     66	GENERIC_ID_MXM_OPM,
     67	GENERIC_ID_GLSYNC,
     68	GENERIC_ID_STEREO,
     69
     70	GENERIC_ID_COUNT
     71};
     72
     73/* Controller object ids */
     74enum controller_id {
     75	CONTROLLER_ID_UNDEFINED = 0,
     76	CONTROLLER_ID_D0,
     77	CONTROLLER_ID_D1,
     78	CONTROLLER_ID_D2,
     79	CONTROLLER_ID_D3,
     80	CONTROLLER_ID_D4,
     81	CONTROLLER_ID_D5,
     82	CONTROLLER_ID_UNDERLAY0,
     83	CONTROLLER_ID_MAX = CONTROLLER_ID_UNDERLAY0
     84};
     85
     86#define IS_UNDERLAY_CONTROLLER(ctrlr_id) (ctrlr_id >= CONTROLLER_ID_UNDERLAY0)
     87
     88/*
     89 * ClockSource object ids.
     90 * We maintain the order matching (more or less) ATOM BIOS
     91 * to improve optimized acquire
     92 */
     93enum clock_source_id {
     94	CLOCK_SOURCE_ID_UNDEFINED = 0,
     95	CLOCK_SOURCE_ID_PLL0,
     96	CLOCK_SOURCE_ID_PLL1,
     97	CLOCK_SOURCE_ID_PLL2,
     98	CLOCK_SOURCE_ID_EXTERNAL, /* ID (Phy) ref. clk. for DP */
     99	CLOCK_SOURCE_ID_DCPLL,
    100	CLOCK_SOURCE_ID_DFS,	/* DENTIST */
    101	CLOCK_SOURCE_ID_VCE,	/* VCE does not need a real PLL */
    102	/* Used to distinguish between programming pixel clock and ID (Phy) clock */
    103	CLOCK_SOURCE_ID_DP_DTO,
    104
    105	CLOCK_SOURCE_COMBO_PHY_PLL0, /*combo PHY PLL defines (DC 11.2 and up)*/
    106	CLOCK_SOURCE_COMBO_PHY_PLL1,
    107	CLOCK_SOURCE_COMBO_PHY_PLL2,
    108	CLOCK_SOURCE_COMBO_PHY_PLL3,
    109	CLOCK_SOURCE_COMBO_PHY_PLL4,
    110	CLOCK_SOURCE_COMBO_PHY_PLL5,
    111	CLOCK_SOURCE_COMBO_DISPLAY_PLL0
    112};
    113
    114/* Encoder object ids */
    115enum encoder_id {
    116	ENCODER_ID_UNKNOWN = 0,
    117
    118	/* Radeon Class Display Hardware */
    119	ENCODER_ID_INTERNAL_LVDS,
    120	ENCODER_ID_INTERNAL_TMDS1,
    121	ENCODER_ID_INTERNAL_TMDS2,
    122	ENCODER_ID_INTERNAL_DAC1,
    123	ENCODER_ID_INTERNAL_DAC2,	/* TV/CV DAC */
    124
    125	/* External Third Party Encoders */
    126	ENCODER_ID_INTERNAL_LVTM1,	/* not used for Radeon */
    127	ENCODER_ID_INTERNAL_HDMI,
    128
    129	/* Kaledisope (KLDSCP) Class Display Hardware */
    130	ENCODER_ID_INTERNAL_KLDSCP_TMDS1,
    131	ENCODER_ID_INTERNAL_KLDSCP_DAC1,
    132	ENCODER_ID_INTERNAL_KLDSCP_DAC2,	/* Shared with CV/TV and CRT */
    133	/* External TMDS (dual link) */
    134	ENCODER_ID_EXTERNAL_MVPU_FPGA,	/* MVPU FPGA chip */
    135	ENCODER_ID_INTERNAL_DDI,
    136	ENCODER_ID_INTERNAL_UNIPHY,
    137	ENCODER_ID_INTERNAL_KLDSCP_LVTMA,
    138	ENCODER_ID_INTERNAL_UNIPHY1,
    139	ENCODER_ID_INTERNAL_UNIPHY2,
    140	ENCODER_ID_EXTERNAL_NUTMEG,
    141	ENCODER_ID_EXTERNAL_TRAVIS,
    142
    143	ENCODER_ID_INTERNAL_WIRELESS,	/* Internal wireless display encoder */
    144	ENCODER_ID_INTERNAL_UNIPHY3,
    145	ENCODER_ID_INTERNAL_VIRTUAL,
    146};
    147
    148/* Connector object ids */
    149enum connector_id {
    150	CONNECTOR_ID_UNKNOWN = 0,
    151	CONNECTOR_ID_SINGLE_LINK_DVII = 1,
    152	CONNECTOR_ID_DUAL_LINK_DVII = 2,
    153	CONNECTOR_ID_SINGLE_LINK_DVID = 3,
    154	CONNECTOR_ID_DUAL_LINK_DVID = 4,
    155	CONNECTOR_ID_VGA = 5,
    156	CONNECTOR_ID_HDMI_TYPE_A = 12,
    157	CONNECTOR_ID_LVDS = 14,
    158	CONNECTOR_ID_PCIE = 16,
    159	CONNECTOR_ID_HARDCODE_DVI = 18,
    160	CONNECTOR_ID_DISPLAY_PORT = 19,
    161	CONNECTOR_ID_EDP = 20,
    162	CONNECTOR_ID_MXM = 21,
    163	CONNECTOR_ID_WIRELESS = 22,
    164	CONNECTOR_ID_MIRACAST = 23,
    165	CONNECTOR_ID_USBC = 24,
    166
    167	CONNECTOR_ID_VIRTUAL = 100
    168};
    169
    170/* Audio object ids */
    171enum audio_id {
    172	AUDIO_ID_UNKNOWN = 0,
    173	AUDIO_ID_INTERNAL_AZALIA
    174};
    175
    176/* Engine object ids */
    177enum engine_id {
    178	ENGINE_ID_DIGA,
    179	ENGINE_ID_DIGB,
    180	ENGINE_ID_DIGC,
    181	ENGINE_ID_DIGD,
    182	ENGINE_ID_DIGE,
    183	ENGINE_ID_DIGF,
    184	ENGINE_ID_DIGG,
    185	ENGINE_ID_DACA,
    186	ENGINE_ID_DACB,
    187	ENGINE_ID_VCE,	/* wireless display pseudo-encoder */
    188	ENGINE_ID_HPO_0,
    189	ENGINE_ID_HPO_1,
    190	ENGINE_ID_HPO_DP_0,
    191	ENGINE_ID_HPO_DP_1,
    192	ENGINE_ID_HPO_DP_2,
    193	ENGINE_ID_HPO_DP_3,
    194	ENGINE_ID_VIRTUAL,
    195
    196	ENGINE_ID_COUNT,
    197	ENGINE_ID_UNKNOWN = (-1L)
    198};
    199
    200enum transmitter_color_depth {
    201	TRANSMITTER_COLOR_DEPTH_24 = 0,  /* 8  bits */
    202	TRANSMITTER_COLOR_DEPTH_30,      /* 10 bits */
    203	TRANSMITTER_COLOR_DEPTH_36,      /* 12 bits */
    204	TRANSMITTER_COLOR_DEPTH_48       /* 16 bits */
    205};
    206
    207enum dp_alt_mode {
    208	DP_Alt_mode__Unknown = 0,
    209	DP_Alt_mode__Connect,
    210	DP_Alt_mode__NoConnect,
    211};
    212/*
    213 *****************************************************************************
    214 * graphics_object_id struct
    215 *
    216 * graphics_object_id is a very simple struct wrapping 32bit Graphics
    217 * Object identication
    218 *
    219 * This struct should stay very simple
    220 *  No dependencies at all (no includes)
    221 *  No debug messages or asserts
    222 *  No #ifndef and preprocessor directives
    223 *  No grow in space (no more data member)
    224 *****************************************************************************
    225 */
    226
    227struct graphics_object_id {
    228	uint32_t  id:8;
    229	uint32_t  enum_id:4;
    230	uint32_t  type:4;
    231	uint32_t  reserved:16; /* for padding. total size should be u32 */
    232};
    233
    234/* some simple functions for convenient graphics_object_id handle */
    235
    236static inline struct graphics_object_id dal_graphics_object_id_init(
    237	uint32_t id,
    238	enum object_enum_id enum_id,
    239	enum object_type type)
    240{
    241	struct graphics_object_id result = {
    242		id, enum_id, type, 0
    243	};
    244
    245	return result;
    246}
    247
    248/* Based on internal data members memory layout */
    249static inline uint32_t dal_graphics_object_id_to_uint(
    250	struct graphics_object_id id)
    251{
    252	return id.id + (id.enum_id << 0x8) + (id.type << 0xc);
    253}
    254
    255static inline enum controller_id dal_graphics_object_id_get_controller_id(
    256	struct graphics_object_id id)
    257{
    258	if (id.type == OBJECT_TYPE_CONTROLLER)
    259		return (enum controller_id) id.id;
    260	return CONTROLLER_ID_UNDEFINED;
    261}
    262
    263static inline enum clock_source_id dal_graphics_object_id_get_clock_source_id(
    264	struct graphics_object_id id)
    265{
    266	if (id.type == OBJECT_TYPE_CLOCK_SOURCE)
    267		return (enum clock_source_id) id.id;
    268	return CLOCK_SOURCE_ID_UNDEFINED;
    269}
    270
    271static inline enum encoder_id dal_graphics_object_id_get_encoder_id(
    272	struct graphics_object_id id)
    273{
    274	if (id.type == OBJECT_TYPE_ENCODER)
    275		return (enum encoder_id) id.id;
    276	return ENCODER_ID_UNKNOWN;
    277}
    278
    279static inline enum connector_id dal_graphics_object_id_get_connector_id(
    280	struct graphics_object_id id)
    281{
    282	if (id.type == OBJECT_TYPE_CONNECTOR)
    283		return (enum connector_id) id.id;
    284	return CONNECTOR_ID_UNKNOWN;
    285}
    286
    287static inline enum audio_id dal_graphics_object_id_get_audio_id(
    288	struct graphics_object_id id)
    289{
    290	if (id.type == OBJECT_TYPE_AUDIO)
    291		return (enum audio_id) id.id;
    292	return AUDIO_ID_UNKNOWN;
    293}
    294
    295static inline enum engine_id dal_graphics_object_id_get_engine_id(
    296	struct graphics_object_id id)
    297{
    298	if (id.type == OBJECT_TYPE_ENGINE)
    299		return (enum engine_id) id.id;
    300	return ENGINE_ID_UNKNOWN;
    301}
    302
    303static inline bool dal_graphics_object_id_equal(
    304	struct graphics_object_id id_1,
    305	struct graphics_object_id id_2)
    306{
    307	if ((id_1.id == id_2.id) && (id_1.enum_id == id_2.enum_id) &&
    308		(id_1.type == id_2.type)) {
    309		return true;
    310	}
    311	return false;
    312}
    313#endif