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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dce_panel_cntl.h (4652B)


      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 __DC_PANEL_CNTL__DCE_H__
     27#define __DC_PANEL_CNTL__DCE_H__
     28
     29#include "panel_cntl.h"
     30
     31/* set register offset with instance */
     32#define DCE_PANEL_CNTL_SR(reg_name, block)\
     33	.reg_name = mm ## block ## _ ## reg_name
     34
     35#define DCE_PANEL_CNTL_REG_LIST()\
     36	DCE_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
     37	DCE_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
     38	DCE_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
     39	SR(BL_PWM_CNTL), \
     40	SR(BL_PWM_CNTL2), \
     41	SR(BL_PWM_PERIOD_CNTL), \
     42	SR(BL_PWM_GRP1_REG_LOCK), \
     43	SR(BIOS_SCRATCH_2)
     44
     45#define DCN_PANEL_CNTL_SR(reg_name, block)\
     46	.reg_name = BASE(mm ## block ## _ ## reg_name ## _BASE_IDX) + \
     47					mm ## block ## _ ## reg_name
     48
     49#define DCN_PANEL_CNTL_REG_LIST()\
     50	DCN_PANEL_CNTL_SR(PWRSEQ_CNTL, LVTMA), \
     51	DCN_PANEL_CNTL_SR(PWRSEQ_STATE, LVTMA), \
     52	DCN_PANEL_CNTL_SR(PWRSEQ_REF_DIV, LVTMA), \
     53	SR(BL_PWM_CNTL), \
     54	SR(BL_PWM_CNTL2), \
     55	SR(BL_PWM_PERIOD_CNTL), \
     56	SR(BL_PWM_GRP1_REG_LOCK), \
     57	NBIO_SR(BIOS_SCRATCH_2)
     58
     59#define DCE_PANEL_CNTL_SF(reg_name, field_name, post_fix)\
     60	.field_name = reg_name ## __ ## field_name ## post_fix
     61
     62#define DCE_PANEL_CNTL_MASK_SH_LIST(mask_sh) \
     63	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_BLON, mask_sh),\
     64	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_BLON_OVRD, mask_sh),\
     65	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON, mask_sh),\
     66	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_DIGON_OVRD, mask_sh),\
     67	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_CNTL, LVTMA_PWRSEQ_TARGET_STATE, mask_sh), \
     68	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_STATE, LVTMA_PWRSEQ_TARGET_STATE_R, mask_sh), \
     69	DCE_PANEL_CNTL_SF(LVTMA_PWRSEQ_REF_DIV, BL_PWM_REF_DIV, mask_sh), \
     70	DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD, mask_sh), \
     71	DCE_PANEL_CNTL_SF(BL_PWM_PERIOD_CNTL, BL_PWM_PERIOD_BITCNT, mask_sh), \
     72	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_ACTIVE_INT_FRAC_CNT, mask_sh), \
     73	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_FRACTIONAL_EN, mask_sh), \
     74	DCE_PANEL_CNTL_SF(BL_PWM_CNTL, BL_PWM_EN, mask_sh), \
     75	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN, mask_sh), \
     76	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_LOCK, mask_sh), \
     77	DCE_PANEL_CNTL_SF(BL_PWM_GRP1_REG_LOCK, BL_PWM_GRP1_REG_UPDATE_PENDING, mask_sh)
     78
     79#define DCE_PANEL_CNTL_REG_FIELD_LIST(type) \
     80	type LVTMA_BLON;\
     81	type LVTMA_BLON_OVRD;\
     82	type LVTMA_DIGON;\
     83	type LVTMA_DIGON_OVRD;\
     84	type LVTMA_PWRSEQ_TARGET_STATE; \
     85	type LVTMA_PWRSEQ_TARGET_STATE_R; \
     86	type BL_PWM_REF_DIV; \
     87	type BL_PWM_EN; \
     88	type BL_ACTIVE_INT_FRAC_CNT; \
     89	type BL_PWM_FRACTIONAL_EN; \
     90	type BL_PWM_PERIOD; \
     91	type BL_PWM_PERIOD_BITCNT; \
     92	type BL_PWM_GRP1_IGNORE_MASTER_LOCK_EN; \
     93	type BL_PWM_GRP1_REG_LOCK; \
     94	type BL_PWM_GRP1_REG_UPDATE_PENDING
     95
     96struct dce_panel_cntl_shift {
     97	DCE_PANEL_CNTL_REG_FIELD_LIST(uint8_t);
     98};
     99
    100struct dce_panel_cntl_mask {
    101	DCE_PANEL_CNTL_REG_FIELD_LIST(uint32_t);
    102};
    103
    104struct dce_panel_cntl_registers {
    105	uint32_t PWRSEQ_CNTL;
    106	uint32_t PWRSEQ_STATE;
    107	uint32_t BL_PWM_CNTL;
    108	uint32_t BL_PWM_CNTL2;
    109	uint32_t BL_PWM_PERIOD_CNTL;
    110	uint32_t BL_PWM_GRP1_REG_LOCK;
    111	uint32_t PWRSEQ_REF_DIV;
    112	uint32_t BIOS_SCRATCH_2;
    113};
    114
    115struct dce_panel_cntl {
    116	struct panel_cntl base;
    117	const struct dce_panel_cntl_registers *regs;
    118	const struct dce_panel_cntl_shift *shift;
    119	const struct dce_panel_cntl_mask *mask;
    120};
    121
    122void dce_panel_cntl_construct(
    123	struct dce_panel_cntl *panel_cntl,
    124	const struct panel_cntl_init_data *init_data,
    125	const struct dce_panel_cntl_registers *regs,
    126	const struct dce_panel_cntl_shift *shift,
    127	const struct dce_panel_cntl_mask *mask);
    128
    129#endif /* __DC_PANEL_CNTL__DCE_H__ */