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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sc.h (5960B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2013 Texas Instruments Inc.
      4 *
      5 * David Griego, <dagriego@biglakesoftware.com>
      6 * Dale Farnsworth, <dale@farnsworth.org>
      7 * Archit Taneja, <archit@ti.com>
      8 */
      9#ifndef TI_SC_H
     10#define TI_SC_H
     11
     12/* Scaler regs */
     13#define CFG_SC0				0x0
     14#define CFG_INTERLACE_O			(1 << 0)
     15#define CFG_LINEAR			(1 << 1)
     16#define CFG_SC_BYPASS			(1 << 2)
     17#define CFG_INVT_FID			(1 << 3)
     18#define CFG_USE_RAV			(1 << 4)
     19#define CFG_ENABLE_EV			(1 << 5)
     20#define CFG_AUTO_HS			(1 << 6)
     21#define CFG_DCM_2X			(1 << 7)
     22#define CFG_DCM_4X			(1 << 8)
     23#define CFG_HP_BYPASS			(1 << 9)
     24#define CFG_INTERLACE_I			(1 << 10)
     25#define CFG_ENABLE_SIN2_VER_INTP	(1 << 11)
     26#define CFG_Y_PK_EN			(1 << 14)
     27#define CFG_TRIM			(1 << 15)
     28#define CFG_SELFGEN_FID			(1 << 16)
     29
     30#define CFG_SC1				0x4
     31#define CFG_ROW_ACC_INC_MASK		0x07ffffff
     32#define CFG_ROW_ACC_INC_SHIFT		0
     33
     34#define CFG_SC2				0x08
     35#define CFG_ROW_ACC_OFFSET_MASK		0x0fffffff
     36#define CFG_ROW_ACC_OFFSET_SHIFT	0
     37
     38#define CFG_SC3				0x0c
     39#define CFG_ROW_ACC_OFFSET_B_MASK	0x0fffffff
     40#define CFG_ROW_ACC_OFFSET_B_SHIFT	0
     41
     42#define CFG_SC4				0x10
     43#define CFG_TAR_H_MASK			0x07ff
     44#define CFG_TAR_H_SHIFT			0
     45#define CFG_TAR_W_MASK			0x07ff
     46#define CFG_TAR_W_SHIFT			12
     47#define CFG_LIN_ACC_INC_U_MASK		0x07
     48#define CFG_LIN_ACC_INC_U_SHIFT		24
     49#define CFG_NLIN_ACC_INIT_U_MASK	0x07
     50#define CFG_NLIN_ACC_INIT_U_SHIFT	28
     51
     52#define CFG_SC5				0x14
     53#define CFG_SRC_H_MASK			0x07ff
     54#define CFG_SRC_H_SHIFT			0
     55#define CFG_SRC_W_MASK			0x07ff
     56#define CFG_SRC_W_SHIFT			12
     57#define CFG_NLIN_ACC_INC_U_MASK		0x07
     58#define CFG_NLIN_ACC_INC_U_SHIFT	24
     59
     60#define CFG_SC6				0x18
     61#define CFG_ROW_ACC_INIT_RAV_MASK	0x03ff
     62#define CFG_ROW_ACC_INIT_RAV_SHIFT	0
     63#define CFG_ROW_ACC_INIT_RAV_B_MASK	0x03ff
     64#define CFG_ROW_ACC_INIT_RAV_B_SHIFT	10
     65
     66#define CFG_SC8				0x20
     67#define CFG_NLIN_LEFT_MASK		0x07ff
     68#define CFG_NLIN_LEFT_SHIFT		0
     69#define CFG_NLIN_RIGHT_MASK		0x07ff
     70#define CFG_NLIN_RIGHT_SHIFT		12
     71
     72#define CFG_SC9				0x24
     73#define CFG_LIN_ACC_INC			CFG_SC9
     74
     75#define CFG_SC10			0x28
     76#define CFG_NLIN_ACC_INIT		CFG_SC10
     77
     78#define CFG_SC11			0x2c
     79#define CFG_NLIN_ACC_INC		CFG_SC11
     80
     81#define CFG_SC12			0x30
     82#define CFG_COL_ACC_OFFSET_MASK		0x01ffffff
     83#define CFG_COL_ACC_OFFSET_SHIFT	0
     84
     85#define CFG_SC13			0x34
     86#define CFG_SC_FACTOR_RAV_MASK		0xff
     87#define CFG_SC_FACTOR_RAV_SHIFT		0
     88#define CFG_CHROMA_INTP_THR_MASK	0x03ff
     89#define CFG_CHROMA_INTP_THR_SHIFT	12
     90#define CFG_DELTA_CHROMA_THR_MASK	0x0f
     91#define CFG_DELTA_CHROMA_THR_SHIFT	24
     92
     93#define CFG_SC17			0x44
     94#define CFG_EV_THR_MASK			0x03ff
     95#define CFG_EV_THR_SHIFT		12
     96#define CFG_DELTA_LUMA_THR_MASK		0x0f
     97#define CFG_DELTA_LUMA_THR_SHIFT	24
     98#define CFG_DELTA_EV_THR_MASK		0x0f
     99#define CFG_DELTA_EV_THR_SHIFT		28
    100
    101#define CFG_SC18			0x48
    102#define CFG_HS_FACTOR_MASK		0x03ff
    103#define CFG_HS_FACTOR_SHIFT		0
    104#define CFG_CONF_DEFAULT_MASK		0x01ff
    105#define CFG_CONF_DEFAULT_SHIFT		16
    106
    107#define CFG_SC19			0x4c
    108#define CFG_HPF_COEFF0_MASK		0xff
    109#define CFG_HPF_COEFF0_SHIFT		0
    110#define CFG_HPF_COEFF1_MASK		0xff
    111#define CFG_HPF_COEFF1_SHIFT		8
    112#define CFG_HPF_COEFF2_MASK		0xff
    113#define CFG_HPF_COEFF2_SHIFT		16
    114#define CFG_HPF_COEFF3_MASK		0xff
    115#define CFG_HPF_COEFF3_SHIFT		23
    116
    117#define CFG_SC20			0x50
    118#define CFG_HPF_COEFF4_MASK		0xff
    119#define CFG_HPF_COEFF4_SHIFT		0
    120#define CFG_HPF_COEFF5_MASK		0xff
    121#define CFG_HPF_COEFF5_SHIFT		8
    122#define CFG_HPF_NORM_SHIFT_MASK		0x07
    123#define CFG_HPF_NORM_SHIFT_SHIFT	16
    124#define CFG_NL_LIMIT_MASK		0x1ff
    125#define CFG_NL_LIMIT_SHIFT		20
    126
    127#define CFG_SC21			0x54
    128#define CFG_NL_LO_THR_MASK		0x01ff
    129#define CFG_NL_LO_THR_SHIFT		0
    130#define CFG_NL_LO_SLOPE_MASK		0xff
    131#define CFG_NL_LO_SLOPE_SHIFT		16
    132
    133#define CFG_SC22			0x58
    134#define CFG_NL_HI_THR_MASK		0x01ff
    135#define CFG_NL_HI_THR_SHIFT		0
    136#define CFG_NL_HI_SLOPE_SH_MASK		0x07
    137#define CFG_NL_HI_SLOPE_SH_SHIFT	16
    138
    139#define CFG_SC23			0x5c
    140#define CFG_GRADIENT_THR_MASK		0x07ff
    141#define CFG_GRADIENT_THR_SHIFT		0
    142#define CFG_GRADIENT_THR_RANGE_MASK	0x0f
    143#define CFG_GRADIENT_THR_RANGE_SHIFT	12
    144#define CFG_MIN_GY_THR_MASK		0xff
    145#define CFG_MIN_GY_THR_SHIFT		16
    146#define CFG_MIN_GY_THR_RANGE_MASK	0x0f
    147#define CFG_MIN_GY_THR_RANGE_SHIFT	28
    148
    149#define CFG_SC24			0x60
    150#define CFG_ORG_H_MASK			0x07ff
    151#define CFG_ORG_H_SHIFT			0
    152#define CFG_ORG_W_MASK			0x07ff
    153#define CFG_ORG_W_SHIFT			16
    154
    155#define CFG_SC25			0x64
    156#define CFG_OFF_H_MASK			0x07ff
    157#define CFG_OFF_H_SHIFT			0
    158#define CFG_OFF_W_MASK			0x07ff
    159#define CFG_OFF_W_SHIFT			16
    160
    161/* number of phases supported by the polyphase scalers */
    162#define SC_NUM_PHASES			32
    163
    164/* number of taps used by horizontal polyphase scaler */
    165#define SC_H_NUM_TAPS			7
    166
    167/* number of taps used by vertical polyphase scaler */
    168#define SC_V_NUM_TAPS			5
    169
    170/* number of taps expected by the scaler in it's coefficient memory */
    171#define SC_NUM_TAPS_MEM_ALIGN		8
    172
    173/* Maximum frame width the scaler can handle (in pixels) */
    174#define SC_MAX_PIXEL_WIDTH		2047
    175
    176/* Maximum frame height the scaler can handle (in lines) */
    177#define SC_MAX_PIXEL_HEIGHT		2047
    178
    179/*
    180 * coefficient memory size in bytes:
    181 * num phases x num sets(luma and chroma) x num taps(aligned) x coeff size
    182 */
    183#define SC_COEF_SRAM_SIZE	(SC_NUM_PHASES * 2 * SC_NUM_TAPS_MEM_ALIGN * 2)
    184
    185struct sc_data {
    186	void __iomem		*base;
    187	struct resource		*res;
    188
    189	dma_addr_t		loaded_coeff_h; /* loaded h coeffs in SC */
    190	dma_addr_t		loaded_coeff_v; /* loaded v coeffs in SC */
    191
    192	bool			load_coeff_h;	/* have new h SC coeffs */
    193	bool			load_coeff_v;	/* have new v SC coeffs */
    194
    195	struct platform_device *pdev;
    196};
    197
    198void sc_dump_regs(struct sc_data *sc);
    199void sc_set_hs_coeffs(struct sc_data *sc, void *addr, unsigned int src_w,
    200		unsigned int dst_w);
    201void sc_set_vs_coeffs(struct sc_data *sc, void *addr, unsigned int src_h,
    202		unsigned int dst_h);
    203void sc_config_scaler(struct sc_data *sc, u32 *sc_reg0, u32 *sc_reg8,
    204		u32 *sc_reg17, unsigned int src_w, unsigned int src_h,
    205		unsigned int dst_w, unsigned int dst_h);
    206struct sc_data *sc_create(struct platform_device *pdev, const char *res_name);
    207
    208#endif