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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command_table_helper.c (8374B)


      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 "atom.h"
     29
     30#include "include/bios_parser_types.h"
     31
     32#include "command_table_helper.h"
     33
     34bool dal_bios_parser_init_cmd_tbl_helper(
     35	const struct command_table_helper **h,
     36	enum dce_version dce)
     37{
     38	switch (dce) {
     39#if defined(CONFIG_DRM_AMD_DC_SI)
     40	case DCE_VERSION_6_0:
     41	case DCE_VERSION_6_1:
     42	case DCE_VERSION_6_4:
     43		*h = dal_cmd_tbl_helper_dce60_get_table();
     44		return true;
     45#endif
     46
     47	case DCE_VERSION_8_0:
     48	case DCE_VERSION_8_1:
     49	case DCE_VERSION_8_3:
     50		*h = dal_cmd_tbl_helper_dce80_get_table();
     51		return true;
     52
     53	case DCE_VERSION_10_0:
     54		*h = dal_cmd_tbl_helper_dce110_get_table();
     55		return true;
     56
     57	case DCE_VERSION_11_0:
     58		*h = dal_cmd_tbl_helper_dce110_get_table();
     59		return true;
     60
     61	case DCE_VERSION_11_2:
     62	case DCE_VERSION_11_22:
     63		*h = dal_cmd_tbl_helper_dce112_get_table();
     64		return true;
     65
     66	default:
     67		/* Unsupported DCE */
     68		BREAK_TO_DEBUGGER();
     69		return false;
     70	}
     71}
     72
     73/* real implementations */
     74
     75bool dal_cmd_table_helper_controller_id_to_atom(
     76	enum controller_id id,
     77	uint8_t *atom_id)
     78{
     79	if (atom_id == NULL) {
     80		BREAK_TO_DEBUGGER();
     81		return false;
     82	}
     83
     84	switch (id) {
     85	case CONTROLLER_ID_D0:
     86		*atom_id = ATOM_CRTC1;
     87		return true;
     88	case CONTROLLER_ID_D1:
     89		*atom_id = ATOM_CRTC2;
     90		return true;
     91	case CONTROLLER_ID_D2:
     92		*atom_id = ATOM_CRTC3;
     93		return true;
     94	case CONTROLLER_ID_D3:
     95		*atom_id = ATOM_CRTC4;
     96		return true;
     97	case CONTROLLER_ID_D4:
     98		*atom_id = ATOM_CRTC5;
     99		return true;
    100	case CONTROLLER_ID_D5:
    101		*atom_id = ATOM_CRTC6;
    102		return true;
    103	case CONTROLLER_ID_UNDERLAY0:
    104		*atom_id = ATOM_UNDERLAY_PIPE0;
    105		return true;
    106	case CONTROLLER_ID_UNDEFINED:
    107		*atom_id = ATOM_CRTC_INVALID;
    108		return true;
    109	default:
    110		/* Wrong controller id */
    111		BREAK_TO_DEBUGGER();
    112		return false;
    113	}
    114}
    115
    116/**
    117 * dal_cmd_table_helper_transmitter_bp_to_atom - Translate the Transmitter to the
    118 *                                    corresponding ATOM BIOS value
    119 * @t: transmitter
    120 * returns: output digitalTransmitter
    121 *    // =00: Digital Transmitter1 ( UNIPHY linkAB )
    122 *    // =01: Digital Transmitter2 ( UNIPHY linkCD )
    123 *    // =02: Digital Transmitter3 ( UNIPHY linkEF )
    124 */
    125uint8_t dal_cmd_table_helper_transmitter_bp_to_atom(
    126	enum transmitter t)
    127{
    128	switch (t) {
    129	case TRANSMITTER_UNIPHY_A:
    130	case TRANSMITTER_UNIPHY_B:
    131	case TRANSMITTER_TRAVIS_LCD:
    132		return 0;
    133	case TRANSMITTER_UNIPHY_C:
    134	case TRANSMITTER_UNIPHY_D:
    135		return 1;
    136	case TRANSMITTER_UNIPHY_E:
    137	case TRANSMITTER_UNIPHY_F:
    138		return 2;
    139	default:
    140		/* Invalid Transmitter Type! */
    141		BREAK_TO_DEBUGGER();
    142		return 0;
    143	}
    144}
    145
    146uint32_t dal_cmd_table_helper_encoder_mode_bp_to_atom(
    147	enum signal_type s,
    148	bool enable_dp_audio)
    149{
    150	switch (s) {
    151	case SIGNAL_TYPE_DVI_SINGLE_LINK:
    152	case SIGNAL_TYPE_DVI_DUAL_LINK:
    153		return ATOM_ENCODER_MODE_DVI;
    154	case SIGNAL_TYPE_HDMI_TYPE_A:
    155		return ATOM_ENCODER_MODE_HDMI;
    156	case SIGNAL_TYPE_LVDS:
    157		return ATOM_ENCODER_MODE_LVDS;
    158	case SIGNAL_TYPE_EDP:
    159	case SIGNAL_TYPE_DISPLAY_PORT_MST:
    160	case SIGNAL_TYPE_DISPLAY_PORT:
    161	case SIGNAL_TYPE_VIRTUAL:
    162		if (enable_dp_audio)
    163			return ATOM_ENCODER_MODE_DP_AUDIO;
    164		else
    165			return ATOM_ENCODER_MODE_DP;
    166	case SIGNAL_TYPE_RGB:
    167		return ATOM_ENCODER_MODE_CRT;
    168	default:
    169		return ATOM_ENCODER_MODE_CRT;
    170	}
    171}
    172
    173void dal_cmd_table_helper_assign_control_parameter(
    174	const struct command_table_helper *h,
    175	struct bp_encoder_control *control,
    176	DIG_ENCODER_CONTROL_PARAMETERS_V2 *ctrl_param)
    177{
    178	/* there are three transmitter blocks, each one has two links 4-lanes
    179	 * each, A+B, C+D, E+F, Uniphy A, C and E are enumerated as link 0 in
    180	 * each transmitter block B, D and F as link 1, third transmitter block
    181	 * has non splitable links (UniphyE and UniphyF can not be configured
    182	 * separately to drive two different streams)
    183	 */
    184	if ((control->transmitter == TRANSMITTER_UNIPHY_B) ||
    185		(control->transmitter == TRANSMITTER_UNIPHY_D) ||
    186		(control->transmitter == TRANSMITTER_UNIPHY_F)) {
    187		/* Bit2: Link Select
    188		 * =0: PHY linkA/C/E
    189		 * =1: PHY linkB/D/F
    190		 */
    191		ctrl_param->acConfig.ucLinkSel = 1;
    192	}
    193
    194	/* Bit[4:3]: Transmitter Selection
    195	 * =00: Digital Transmitter1 ( UNIPHY linkAB )
    196	 * =01: Digital Transmitter2 ( UNIPHY linkCD )
    197	 * =02: Digital Transmitter3 ( UNIPHY linkEF )
    198	 * =03: Reserved
    199	 */
    200	ctrl_param->acConfig.ucTransmitterSel =
    201		(uint8_t)(h->transmitter_bp_to_atom(control->transmitter));
    202
    203	/* We need to convert from KHz units into 10KHz units */
    204	ctrl_param->ucAction = h->encoder_action_to_atom(control->action);
    205	ctrl_param->usPixelClock = cpu_to_le16((uint16_t)(control->pixel_clock / 10));
    206	ctrl_param->ucEncoderMode =
    207		(uint8_t)(h->encoder_mode_bp_to_atom(
    208			control->signal, control->enable_dp_audio));
    209	ctrl_param->ucLaneNum = (uint8_t)(control->lanes_number);
    210}
    211
    212bool dal_cmd_table_helper_clock_source_id_to_ref_clk_src(
    213	enum clock_source_id id,
    214	uint32_t *ref_clk_src_id)
    215{
    216	if (ref_clk_src_id == NULL) {
    217		BREAK_TO_DEBUGGER();
    218		return false;
    219	}
    220
    221	switch (id) {
    222	case CLOCK_SOURCE_ID_PLL1:
    223		*ref_clk_src_id = ENCODER_REFCLK_SRC_P1PLL;
    224		return true;
    225	case CLOCK_SOURCE_ID_PLL2:
    226		*ref_clk_src_id = ENCODER_REFCLK_SRC_P2PLL;
    227		return true;
    228	case CLOCK_SOURCE_ID_DCPLL:
    229		*ref_clk_src_id = ENCODER_REFCLK_SRC_DCPLL;
    230		return true;
    231	case CLOCK_SOURCE_ID_EXTERNAL:
    232		*ref_clk_src_id = ENCODER_REFCLK_SRC_EXTCLK;
    233		return true;
    234	case CLOCK_SOURCE_ID_UNDEFINED:
    235		*ref_clk_src_id = ENCODER_REFCLK_SRC_INVALID;
    236		return true;
    237	default:
    238		/* Unsupported clock source id */
    239		BREAK_TO_DEBUGGER();
    240		return false;
    241	}
    242}
    243
    244uint8_t dal_cmd_table_helper_encoder_id_to_atom(
    245	enum encoder_id id)
    246{
    247	switch (id) {
    248	case ENCODER_ID_INTERNAL_LVDS:
    249		return ENCODER_OBJECT_ID_INTERNAL_LVDS;
    250	case ENCODER_ID_INTERNAL_TMDS1:
    251		return ENCODER_OBJECT_ID_INTERNAL_TMDS1;
    252	case ENCODER_ID_INTERNAL_TMDS2:
    253		return ENCODER_OBJECT_ID_INTERNAL_TMDS2;
    254	case ENCODER_ID_INTERNAL_DAC1:
    255		return ENCODER_OBJECT_ID_INTERNAL_DAC1;
    256	case ENCODER_ID_INTERNAL_DAC2:
    257		return ENCODER_OBJECT_ID_INTERNAL_DAC2;
    258	case ENCODER_ID_INTERNAL_LVTM1:
    259		return ENCODER_OBJECT_ID_INTERNAL_LVTM1;
    260	case ENCODER_ID_INTERNAL_HDMI:
    261		return ENCODER_OBJECT_ID_HDMI_INTERNAL;
    262	case ENCODER_ID_EXTERNAL_TRAVIS:
    263		return ENCODER_OBJECT_ID_TRAVIS;
    264	case ENCODER_ID_EXTERNAL_NUTMEG:
    265		return ENCODER_OBJECT_ID_NUTMEG;
    266	case ENCODER_ID_INTERNAL_KLDSCP_TMDS1:
    267		return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_TMDS1;
    268	case ENCODER_ID_INTERNAL_KLDSCP_DAC1:
    269		return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1;
    270	case ENCODER_ID_INTERNAL_KLDSCP_DAC2:
    271		return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2;
    272	case ENCODER_ID_EXTERNAL_MVPU_FPGA:
    273		return ENCODER_OBJECT_ID_MVPU_FPGA;
    274	case ENCODER_ID_INTERNAL_DDI:
    275		return ENCODER_OBJECT_ID_INTERNAL_DDI;
    276	case ENCODER_ID_INTERNAL_UNIPHY:
    277		return ENCODER_OBJECT_ID_INTERNAL_UNIPHY;
    278	case ENCODER_ID_INTERNAL_KLDSCP_LVTMA:
    279		return ENCODER_OBJECT_ID_INTERNAL_KLDSCP_LVTMA;
    280	case ENCODER_ID_INTERNAL_UNIPHY1:
    281		return ENCODER_OBJECT_ID_INTERNAL_UNIPHY1;
    282	case ENCODER_ID_INTERNAL_UNIPHY2:
    283		return ENCODER_OBJECT_ID_INTERNAL_UNIPHY2;
    284	case ENCODER_ID_INTERNAL_UNIPHY3:
    285		return ENCODER_OBJECT_ID_INTERNAL_UNIPHY3;
    286	case ENCODER_ID_INTERNAL_WIRELESS:
    287		return ENCODER_OBJECT_ID_INTERNAL_VCE;
    288	case ENCODER_ID_UNKNOWN:
    289		return ENCODER_OBJECT_ID_NONE;
    290	default:
    291		/* Invalid encoder id */
    292		BREAK_TO_DEBUGGER();
    293		return ENCODER_OBJECT_ID_NONE;
    294	}
    295}