cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

mpc.h (10144B)


      1/* Copyright 2012-15 Advanced Micro Devices, Inc.
      2 *
      3 * Permission is hereby granted, free of charge, to any person obtaining a
      4 * copy of this software and associated documentation files (the "Software"),
      5 * to deal in the Software without restriction, including without limitation
      6 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      7 * and/or sell copies of the Software, and to permit persons to whom the
      8 * Software is furnished to do so, subject to the following conditions:
      9 *
     10 * The above copyright notice and this permission notice shall be included in
     11 * all copies or substantial portions of the Software.
     12 *
     13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     14 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     15 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     16 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     17 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     18 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     19 * OTHER DEALINGS IN THE SOFTWARE.
     20 *
     21 * Authors: AMD
     22 *
     23 */
     24
     25#ifndef __DC_MPCC_H__
     26#define __DC_MPCC_H__
     27
     28#include "dc_hw_types.h"
     29#include "hw_shared.h"
     30#include "transform.h"
     31
     32#define MAX_MPCC 6
     33#define MAX_OPP 6
     34
     35#define MAX_DWB		2
     36
     37enum mpc_output_csc_mode {
     38	MPC_OUTPUT_CSC_DISABLE = 0,
     39	MPC_OUTPUT_CSC_COEF_A,
     40	MPC_OUTPUT_CSC_COEF_B
     41};
     42
     43
     44enum mpcc_blend_mode {
     45	MPCC_BLEND_MODE_BYPASS,
     46	MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH,
     47	MPCC_BLEND_MODE_TOP_LAYER_ONLY,
     48	MPCC_BLEND_MODE_TOP_BOT_BLENDING
     49};
     50
     51enum mpcc_alpha_blend_mode {
     52	MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA,
     53	MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN,
     54	MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA
     55};
     56
     57/*
     58 * MPCC blending configuration
     59 */
     60struct mpcc_blnd_cfg {
     61	struct tg_color black_color;	/* background color */
     62	enum mpcc_alpha_blend_mode alpha_mode;	/* alpha blend mode */
     63	bool pre_multiplied_alpha;	/* alpha pre-multiplied mode flag */
     64	int global_gain;
     65	int global_alpha;
     66	bool overlap_only;
     67
     68	/* MPCC top/bottom gain settings */
     69	int bottom_gain_mode;
     70	int background_color_bpc;
     71	int top_gain;
     72	int bottom_inside_gain;
     73	int bottom_outside_gain;
     74};
     75
     76struct mpc_grph_gamut_adjustment {
     77	struct fixed31_32 temperature_matrix[CSC_TEMPERATURE_MATRIX_SIZE];
     78	enum graphics_gamut_adjust_type gamut_adjust_type;
     79};
     80
     81struct mpcc_sm_cfg {
     82	bool enable;
     83	/* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */
     84	int sm_mode;
     85	/* 0- disable frame alternate, 1- enable frame alternate */
     86	bool frame_alt;
     87	/* 0- disable field alternate, 1- enable field alternate */
     88	bool field_alt;
     89	/* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */
     90	int force_next_frame_porlarity;
     91	/* 0-no force,2-force field polarity from top,3-force field polarity from bottom */
     92	int force_next_field_polarity;
     93};
     94
     95struct mpc_denorm_clamp {
     96	int clamp_max_r_cr;
     97	int clamp_min_r_cr;
     98	int clamp_max_g_y;
     99	int clamp_min_g_y;
    100	int clamp_max_b_cb;
    101	int clamp_min_b_cb;
    102};
    103
    104struct mpc_dwb_flow_control {
    105	int flow_ctrl_mode;
    106	int flow_ctrl_cnt0;
    107	int flow_ctrl_cnt1;
    108};
    109
    110/*
    111 * MPCC connection and blending configuration for a single MPCC instance.
    112 * This struct is used as a node in an MPC tree.
    113 */
    114struct mpcc {
    115	int mpcc_id;			/* MPCC physical instance */
    116	int dpp_id;			/* DPP input to this MPCC */
    117	struct mpcc *mpcc_bot;		/* pointer to bottom layer MPCC.  NULL when not connected */
    118	struct mpcc_blnd_cfg blnd_cfg;	/* The blending configuration for this MPCC */
    119	struct mpcc_sm_cfg sm_cfg;	/* stereo mix setting for this MPCC */
    120	bool shared_bottom;		/* TRUE if MPCC output to both OPP and DWB endpoints, else FALSE */
    121};
    122
    123/*
    124 * MPC tree represents all MPCC connections for a pipe.
    125 */
    126struct mpc_tree {
    127	int opp_id;			/* The OPP instance that owns this MPC tree */
    128	struct mpcc *opp_list;		/* The top MPCC layer of the MPC tree that outputs to OPP endpoint */
    129};
    130
    131struct mpc {
    132	const struct mpc_funcs *funcs;
    133	struct dc_context *ctx;
    134
    135	struct mpcc mpcc_array[MAX_MPCC];
    136	struct pwl_params blender_params;
    137	bool cm_bypass_mode;
    138};
    139
    140struct mpcc_state {
    141	uint32_t opp_id;
    142	uint32_t dpp_id;
    143	uint32_t bot_mpcc_id;
    144	uint32_t mode;
    145	uint32_t alpha_mode;
    146	uint32_t pre_multiplied_alpha;
    147	uint32_t overlap_only;
    148	uint32_t idle;
    149	uint32_t busy;
    150};
    151
    152struct mpc_funcs {
    153	void (*read_mpcc_state)(
    154			struct mpc *mpc,
    155			int mpcc_inst,
    156			struct mpcc_state *s);
    157
    158	/*
    159	 * Insert DPP into MPC tree based on specified blending position.
    160	 * Only used for planes that are part of blending chain for OPP output
    161	 *
    162	 * Parameters:
    163	 * [in/out] mpc		- MPC context.
    164	 * [in/out] tree	- MPC tree structure that plane will be added to.
    165	 * [in]	blnd_cfg	- MPCC blending configuration for the new blending layer.
    166	 * [in]	sm_cfg		- MPCC stereo mix configuration for the new blending layer.
    167	 *			  stereo mix must disable for the very bottom layer of the tree config.
    168	 * [in]	insert_above_mpcc - Insert new plane above this MPCC.  If NULL, insert as bottom plane.
    169	 * [in]	dpp_id		 - DPP instance for the plane to be added.
    170	 * [in]	mpcc_id		 - The MPCC physical instance to use for blending.
    171	 *
    172	 * Return:  struct mpcc* - MPCC that was added.
    173	 */
    174	struct mpcc* (*insert_plane)(
    175			struct mpc *mpc,
    176			struct mpc_tree *tree,
    177			struct mpcc_blnd_cfg *blnd_cfg,
    178			struct mpcc_sm_cfg *sm_cfg,
    179			struct mpcc *insert_above_mpcc,
    180			int dpp_id,
    181			int mpcc_id);
    182
    183	/*
    184	 * Remove a specified MPCC from the MPC tree.
    185	 *
    186	 * Parameters:
    187	 * [in/out] mpc		- MPC context.
    188	 * [in/out] tree	- MPC tree structure that plane will be removed from.
    189	 * [in/out] mpcc	- MPCC to be removed from tree.
    190	 *
    191	 * Return:  void
    192	 */
    193	void (*remove_mpcc)(
    194			struct mpc *mpc,
    195			struct mpc_tree *tree,
    196			struct mpcc *mpcc);
    197
    198	/*
    199	 * Reset the MPCC HW status by disconnecting all muxes.
    200	 *
    201	 * Parameters:
    202	 * [in/out] mpc		- MPC context.
    203	 *
    204	 * Return:  void
    205	 */
    206	void (*mpc_init)(struct mpc *mpc);
    207	void (*mpc_init_single_inst)(
    208			struct mpc *mpc,
    209			unsigned int mpcc_id);
    210
    211	/*
    212	 * Update the blending configuration for a specified MPCC.
    213	 *
    214	 * Parameters:
    215	 * [in/out] mpc		- MPC context.
    216	 * [in]     blnd_cfg	- MPCC blending configuration.
    217	 * [in]     mpcc_id	- The MPCC physical instance.
    218	 *
    219	 * Return:  void
    220	 */
    221	void (*update_blending)(
    222		struct mpc *mpc,
    223		struct mpcc_blnd_cfg *blnd_cfg,
    224		int mpcc_id);
    225
    226	/*
    227	 * Lock cursor updates for the specified OPP.
    228	 * OPP defines the set of MPCC that are locked together for cursor.
    229	 *
    230	 * Parameters:
    231	 * [in] 	mpc		- MPC context.
    232	 * [in]     opp_id	- The OPP to lock cursor updates on
    233	 * [in]		lock	- lock/unlock the OPP
    234	 *
    235	 * Return:  void
    236	 */
    237	void (*cursor_lock)(
    238			struct mpc *mpc,
    239			int opp_id,
    240			bool lock);
    241
    242	/*
    243	 * Add DPP into 'secondary' MPC tree based on specified blending position.
    244	 * Only used for planes that are part of blending chain for DWB output
    245	 *
    246	 * Parameters:
    247	 * [in/out] mpc		- MPC context.
    248	 * [in/out] tree		- MPC tree structure that plane will be added to.
    249	 * [in]	blnd_cfg	- MPCC blending configuration for the new blending layer.
    250	 * [in]	sm_cfg		- MPCC stereo mix configuration for the new blending layer.
    251	 *			  stereo mix must disable for the very bottom layer of the tree config.
    252	 * [in]	insert_above_mpcc - Insert new plane above this MPCC.  If NULL, insert as bottom plane.
    253	 * [in]	dpp_id		- DPP instance for the plane to be added.
    254	 * [in]	mpcc_id		- The MPCC physical instance to use for blending.
    255	 *
    256	 * Return:  struct mpcc* - MPCC that was added.
    257	 */
    258	struct mpcc* (*insert_plane_to_secondary)(
    259			struct mpc *mpc,
    260			struct mpc_tree *tree,
    261			struct mpcc_blnd_cfg *blnd_cfg,
    262			struct mpcc_sm_cfg *sm_cfg,
    263			struct mpcc *insert_above_mpcc,
    264			int dpp_id,
    265			int mpcc_id);
    266
    267	/*
    268	 * Remove a specified DPP from the 'secondary' MPC tree.
    269	 *
    270	 * Parameters:
    271	 * [in/out] mpc		- MPC context.
    272	 * [in/out] tree	- MPC tree structure that plane will be removed from.
    273	 * [in]     mpcc	- MPCC to be removed from tree.
    274	 * Return:  void
    275	 */
    276	void (*remove_mpcc_from_secondary)(
    277			struct mpc *mpc,
    278			struct mpc_tree *tree,
    279			struct mpcc *mpcc);
    280
    281	struct mpcc* (*get_mpcc_for_dpp_from_secondary)(
    282			struct mpc_tree *tree,
    283			int dpp_id);
    284
    285	struct mpcc* (*get_mpcc_for_dpp)(
    286			struct mpc_tree *tree,
    287			int dpp_id);
    288
    289	void (*wait_for_idle)(struct mpc *mpc, int id);
    290
    291	void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id);
    292
    293	void (*init_mpcc_list_from_hw)(
    294		struct mpc *mpc,
    295		struct mpc_tree *tree);
    296
    297	void (*set_denorm)(struct mpc *mpc,
    298			int opp_id,
    299			enum dc_color_depth output_depth);
    300
    301	void (*set_denorm_clamp)(
    302			struct mpc *mpc,
    303			int opp_id,
    304			struct mpc_denorm_clamp denorm_clamp);
    305
    306	void (*set_output_csc)(struct mpc *mpc,
    307			int opp_id,
    308			const uint16_t *regval,
    309			enum mpc_output_csc_mode ocsc_mode);
    310
    311	void (*set_ocsc_default)(struct mpc *mpc,
    312			int opp_id,
    313			enum dc_color_space color_space,
    314			enum mpc_output_csc_mode ocsc_mode);
    315
    316	void (*set_output_gamma)(
    317			struct mpc *mpc,
    318			int mpcc_id,
    319			const struct pwl_params *params);
    320	void (*power_on_mpc_mem_pwr)(
    321			struct mpc *mpc,
    322			int mpcc_id,
    323			bool power_on);
    324	void (*set_dwb_mux)(
    325			struct mpc *mpc,
    326			int dwb_id,
    327			int mpcc_id);
    328
    329	void (*disable_dwb_mux)(
    330		struct mpc *mpc,
    331		int dwb_id);
    332
    333	bool (*is_dwb_idle)(
    334		struct mpc *mpc,
    335		int dwb_id);
    336
    337	void (*set_out_rate_control)(
    338		struct mpc *mpc,
    339		int opp_id,
    340		bool enable,
    341		bool rate_2x_mode,
    342		struct mpc_dwb_flow_control *flow_control);
    343
    344	void (*set_gamut_remap)(
    345			struct mpc *mpc,
    346			int mpcc_id,
    347			const struct mpc_grph_gamut_adjustment *adjust);
    348
    349	bool (*program_shaper)(
    350			struct mpc *mpc,
    351			const struct pwl_params *params,
    352			uint32_t rmu_idx);
    353
    354	uint32_t (*acquire_rmu)(struct mpc *mpc, int mpcc_id, int rmu_idx);
    355
    356	bool (*program_3dlut)(
    357			struct mpc *mpc,
    358			const struct tetrahedral_params *params,
    359			int rmu_idx);
    360
    361	int (*release_rmu)(struct mpc *mpc, int mpcc_id);
    362
    363	unsigned int (*get_mpc_out_mux)(
    364			struct mpc *mpc,
    365			int opp_id);
    366
    367	void (*set_bg_color)(struct mpc *mpc,
    368			struct tg_color *bg_color,
    369			int mpcc_id);
    370	void (*set_mpc_mem_lp_mode)(struct mpc *mpc);
    371};
    372
    373#endif