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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ipu-prv.h (8945B)


      1/* SPDX-License-Identifier: GPL-2.0-or-later */
      2/*
      3 * Copyright (c) 2010 Sascha Hauer <s.hauer@pengutronix.de>
      4 * Copyright (C) 2005-2009 Freescale Semiconductor, Inc.
      5 */
      6#ifndef __IPU_PRV_H__
      7#define __IPU_PRV_H__
      8
      9struct ipu_soc;
     10
     11#include <linux/types.h>
     12#include <linux/device.h>
     13#include <linux/clk.h>
     14#include <linux/platform_device.h>
     15
     16#include <video/imx-ipu-v3.h>
     17
     18#define IPU_MCU_T_DEFAULT	8
     19#define IPU_CM_IDMAC_REG_OFS	0x00008000
     20#define IPU_CM_IC_REG_OFS	0x00020000
     21#define IPU_CM_IRT_REG_OFS	0x00028000
     22#define IPU_CM_CSI0_REG_OFS	0x00030000
     23#define IPU_CM_CSI1_REG_OFS	0x00038000
     24#define IPU_CM_SMFC_REG_OFS	0x00050000
     25#define IPU_CM_DC_REG_OFS	0x00058000
     26#define IPU_CM_DMFC_REG_OFS	0x00060000
     27
     28/* Register addresses */
     29/* IPU Common registers */
     30#define IPU_CM_REG(offset)	(offset)
     31
     32#define IPU_CONF			IPU_CM_REG(0)
     33
     34#define IPU_SRM_PRI1			IPU_CM_REG(0x00a0)
     35#define IPU_SRM_PRI2			IPU_CM_REG(0x00a4)
     36#define IPU_FS_PROC_FLOW1		IPU_CM_REG(0x00a8)
     37#define IPU_FS_PROC_FLOW2		IPU_CM_REG(0x00ac)
     38#define IPU_FS_PROC_FLOW3		IPU_CM_REG(0x00b0)
     39#define IPU_FS_DISP_FLOW1		IPU_CM_REG(0x00b4)
     40#define IPU_FS_DISP_FLOW2		IPU_CM_REG(0x00b8)
     41#define IPU_SKIP			IPU_CM_REG(0x00bc)
     42#define IPU_DISP_ALT_CONF		IPU_CM_REG(0x00c0)
     43#define IPU_DISP_GEN			IPU_CM_REG(0x00c4)
     44#define IPU_DISP_ALT1			IPU_CM_REG(0x00c8)
     45#define IPU_DISP_ALT2			IPU_CM_REG(0x00cc)
     46#define IPU_DISP_ALT3			IPU_CM_REG(0x00d0)
     47#define IPU_DISP_ALT4			IPU_CM_REG(0x00d4)
     48#define IPU_SNOOP			IPU_CM_REG(0x00d8)
     49#define IPU_MEM_RST			IPU_CM_REG(0x00dc)
     50#define IPU_PM				IPU_CM_REG(0x00e0)
     51#define IPU_GPR				IPU_CM_REG(0x00e4)
     52#define IPU_CHA_DB_MODE_SEL(ch)		IPU_CM_REG(0x0150 + 4 * ((ch) / 32))
     53#define IPU_ALT_CHA_DB_MODE_SEL(ch)	IPU_CM_REG(0x0168 + 4 * ((ch) / 32))
     54#define IPU_CHA_CUR_BUF(ch)		IPU_CM_REG(0x023C + 4 * ((ch) / 32))
     55#define IPU_ALT_CUR_BUF0		IPU_CM_REG(0x0244)
     56#define IPU_ALT_CUR_BUF1		IPU_CM_REG(0x0248)
     57#define IPU_SRM_STAT			IPU_CM_REG(0x024C)
     58#define IPU_PROC_TASK_STAT		IPU_CM_REG(0x0250)
     59#define IPU_DISP_TASK_STAT		IPU_CM_REG(0x0254)
     60#define IPU_CHA_BUF0_RDY(ch)		IPU_CM_REG(0x0268 + 4 * ((ch) / 32))
     61#define IPU_CHA_BUF1_RDY(ch)		IPU_CM_REG(0x0270 + 4 * ((ch) / 32))
     62#define IPU_CHA_BUF2_RDY(ch)		IPU_CM_REG(0x0288 + 4 * ((ch) / 32))
     63#define IPU_ALT_CHA_BUF0_RDY(ch)	IPU_CM_REG(0x0278 + 4 * ((ch) / 32))
     64#define IPU_ALT_CHA_BUF1_RDY(ch)	IPU_CM_REG(0x0280 + 4 * ((ch) / 32))
     65
     66#define IPU_INT_CTRL(n)		IPU_CM_REG(0x003C + 4 * (n))
     67#define IPU_INT_STAT(n)		IPU_CM_REG(0x0200 + 4 * (n))
     68
     69/* SRM_PRI2 */
     70#define DP_S_SRM_MODE_MASK		(0x3 << 3)
     71#define DP_S_SRM_MODE_NOW		(0x3 << 3)
     72#define DP_S_SRM_MODE_NEXT_FRAME	(0x1 << 3)
     73
     74/* FS_PROC_FLOW1 */
     75#define FS_PRPENC_ROT_SRC_SEL_MASK	(0xf << 0)
     76#define FS_PRPENC_ROT_SRC_SEL_ENC		(0x7 << 0)
     77#define FS_PRPVF_ROT_SRC_SEL_MASK	(0xf << 8)
     78#define FS_PRPVF_ROT_SRC_SEL_VF			(0x8 << 8)
     79#define FS_PP_SRC_SEL_MASK		(0xf << 12)
     80#define FS_PP_ROT_SRC_SEL_MASK		(0xf << 16)
     81#define FS_PP_ROT_SRC_SEL_PP			(0x5 << 16)
     82#define FS_VDI1_SRC_SEL_MASK		(0x3 << 20)
     83#define FS_VDI3_SRC_SEL_MASK		(0x3 << 20)
     84#define FS_PRP_SRC_SEL_MASK		(0xf << 24)
     85#define FS_VDI_SRC_SEL_MASK		(0x3 << 28)
     86#define FS_VDI_SRC_SEL_CSI_DIRECT		(0x1 << 28)
     87#define FS_VDI_SRC_SEL_VDOA			(0x2 << 28)
     88
     89/* FS_PROC_FLOW2 */
     90#define FS_PRP_ENC_DEST_SEL_MASK	(0xf << 0)
     91#define FS_PRP_ENC_DEST_SEL_IRT_ENC		(0x1 << 0)
     92#define FS_PRPVF_DEST_SEL_MASK		(0xf << 4)
     93#define FS_PRPVF_DEST_SEL_IRT_VF		(0x1 << 4)
     94#define FS_PRPVF_ROT_DEST_SEL_MASK	(0xf << 8)
     95#define FS_PP_DEST_SEL_MASK		(0xf << 12)
     96#define FS_PP_DEST_SEL_IRT_PP			(0x3 << 12)
     97#define FS_PP_ROT_DEST_SEL_MASK		(0xf << 16)
     98#define FS_PRPENC_ROT_DEST_SEL_MASK	(0xf << 20)
     99#define FS_PRP_DEST_SEL_MASK		(0xf << 24)
    100
    101#define IPU_DI0_COUNTER_RELEASE			(1 << 24)
    102#define IPU_DI1_COUNTER_RELEASE			(1 << 25)
    103
    104#define IPU_IDMAC_REG(offset)	(offset)
    105
    106#define IDMAC_CONF			IPU_IDMAC_REG(0x0000)
    107#define IDMAC_CHA_EN(ch)		IPU_IDMAC_REG(0x0004 + 4 * ((ch) / 32))
    108#define IDMAC_SEP_ALPHA			IPU_IDMAC_REG(0x000c)
    109#define IDMAC_ALT_SEP_ALPHA		IPU_IDMAC_REG(0x0010)
    110#define IDMAC_CHA_PRI(ch)		IPU_IDMAC_REG(0x0014 + 4 * ((ch) / 32))
    111#define IDMAC_WM_EN(ch)			IPU_IDMAC_REG(0x001c + 4 * ((ch) / 32))
    112#define IDMAC_CH_LOCK_EN_1		IPU_IDMAC_REG(0x0024)
    113#define IDMAC_CH_LOCK_EN_2		IPU_IDMAC_REG(0x0028)
    114#define IDMAC_SUB_ADDR_0		IPU_IDMAC_REG(0x002c)
    115#define IDMAC_SUB_ADDR_1		IPU_IDMAC_REG(0x0030)
    116#define IDMAC_SUB_ADDR_2		IPU_IDMAC_REG(0x0034)
    117#define IDMAC_BAND_EN(ch)		IPU_IDMAC_REG(0x0040 + 4 * ((ch) / 32))
    118#define IDMAC_CHA_BUSY(ch)		IPU_IDMAC_REG(0x0100 + 4 * ((ch) / 32))
    119
    120#define IPU_NUM_IRQS	(32 * 15)
    121
    122enum ipu_modules {
    123	IPU_CONF_CSI0_EN		= (1 << 0),
    124	IPU_CONF_CSI1_EN		= (1 << 1),
    125	IPU_CONF_IC_EN			= (1 << 2),
    126	IPU_CONF_ROT_EN			= (1 << 3),
    127	IPU_CONF_ISP_EN			= (1 << 4),
    128	IPU_CONF_DP_EN			= (1 << 5),
    129	IPU_CONF_DI0_EN			= (1 << 6),
    130	IPU_CONF_DI1_EN			= (1 << 7),
    131	IPU_CONF_SMFC_EN		= (1 << 8),
    132	IPU_CONF_DC_EN			= (1 << 9),
    133	IPU_CONF_DMFC_EN		= (1 << 10),
    134
    135	IPU_CONF_VDI_EN			= (1 << 12),
    136
    137	IPU_CONF_IDMAC_DIS		= (1 << 22),
    138
    139	IPU_CONF_IC_DMFC_SEL		= (1 << 25),
    140	IPU_CONF_IC_DMFC_SYNC		= (1 << 26),
    141	IPU_CONF_VDI_DMFC_SYNC		= (1 << 27),
    142
    143	IPU_CONF_CSI0_DATA_SOURCE	= (1 << 28),
    144	IPU_CONF_CSI1_DATA_SOURCE	= (1 << 29),
    145	IPU_CONF_IC_INPUT		= (1 << 30),
    146	IPU_CONF_CSI_SEL		= (1 << 31),
    147};
    148
    149struct ipuv3_channel {
    150	unsigned int num;
    151	struct ipu_soc *ipu;
    152	struct list_head list;
    153};
    154
    155struct ipu_cpmem;
    156struct ipu_csi;
    157struct ipu_dc_priv;
    158struct ipu_dmfc_priv;
    159struct ipu_di;
    160struct ipu_ic_priv;
    161struct ipu_vdi;
    162struct ipu_image_convert_priv;
    163struct ipu_smfc_priv;
    164struct ipu_pre;
    165struct ipu_prg;
    166
    167struct ipu_devtype;
    168
    169struct ipu_soc {
    170	struct device		*dev;
    171	const struct ipu_devtype	*devtype;
    172	enum ipuv3_type		ipu_type;
    173	spinlock_t		lock;
    174	struct mutex		channel_lock;
    175	struct list_head	channels;
    176
    177	void __iomem		*cm_reg;
    178	void __iomem		*idmac_reg;
    179
    180	int			id;
    181	int			usecount;
    182
    183	struct clk		*clk;
    184
    185	int			irq_sync;
    186	int			irq_err;
    187	struct irq_domain	*domain;
    188
    189	struct ipu_cpmem	*cpmem_priv;
    190	struct ipu_dc_priv	*dc_priv;
    191	struct ipu_dp_priv	*dp_priv;
    192	struct ipu_dmfc_priv	*dmfc_priv;
    193	struct ipu_di		*di_priv[2];
    194	struct ipu_csi		*csi_priv[2];
    195	struct ipu_ic_priv	*ic_priv;
    196	struct ipu_vdi          *vdi_priv;
    197	struct ipu_image_convert_priv *image_convert_priv;
    198	struct ipu_smfc_priv	*smfc_priv;
    199	struct ipu_prg		*prg_priv;
    200};
    201
    202static inline u32 ipu_idmac_read(struct ipu_soc *ipu, unsigned offset)
    203{
    204	return readl(ipu->idmac_reg + offset);
    205}
    206
    207static inline void ipu_idmac_write(struct ipu_soc *ipu, u32 value,
    208				   unsigned offset)
    209{
    210	writel(value, ipu->idmac_reg + offset);
    211}
    212
    213void ipu_srm_dp_update(struct ipu_soc *ipu, bool sync);
    214
    215int ipu_module_enable(struct ipu_soc *ipu, u32 mask);
    216int ipu_module_disable(struct ipu_soc *ipu, u32 mask);
    217
    218bool ipu_idmac_channel_busy(struct ipu_soc *ipu, unsigned int chno);
    219
    220int ipu_csi_init(struct ipu_soc *ipu, struct device *dev, int id,
    221		 unsigned long base, u32 module, struct clk *clk_ipu);
    222void ipu_csi_exit(struct ipu_soc *ipu, int id);
    223
    224int ipu_ic_init(struct ipu_soc *ipu, struct device *dev,
    225		unsigned long base, unsigned long tpmem_base);
    226void ipu_ic_exit(struct ipu_soc *ipu);
    227
    228int ipu_vdi_init(struct ipu_soc *ipu, struct device *dev,
    229		 unsigned long base, u32 module);
    230void ipu_vdi_exit(struct ipu_soc *ipu);
    231
    232int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev);
    233void ipu_image_convert_exit(struct ipu_soc *ipu);
    234
    235int ipu_di_init(struct ipu_soc *ipu, struct device *dev, int id,
    236		unsigned long base, u32 module, struct clk *ipu_clk);
    237void ipu_di_exit(struct ipu_soc *ipu, int id);
    238
    239int ipu_dmfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
    240		struct clk *ipu_clk);
    241void ipu_dmfc_exit(struct ipu_soc *ipu);
    242
    243int ipu_dp_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
    244void ipu_dp_exit(struct ipu_soc *ipu);
    245
    246int ipu_dc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base,
    247		unsigned long template_base);
    248void ipu_dc_exit(struct ipu_soc *ipu);
    249
    250int ipu_cpmem_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
    251void ipu_cpmem_exit(struct ipu_soc *ipu);
    252
    253int ipu_smfc_init(struct ipu_soc *ipu, struct device *dev, unsigned long base);
    254void ipu_smfc_exit(struct ipu_soc *ipu);
    255
    256struct ipu_pre *ipu_pre_lookup_by_phandle(struct device *dev, const char *name,
    257					  int index);
    258int ipu_pre_get_available_count(void);
    259int ipu_pre_get(struct ipu_pre *pre);
    260void ipu_pre_put(struct ipu_pre *pre);
    261u32 ipu_pre_get_baddr(struct ipu_pre *pre);
    262void ipu_pre_configure(struct ipu_pre *pre, unsigned int width,
    263		       unsigned int height, unsigned int stride, u32 format,
    264		       uint64_t modifier, unsigned int bufaddr);
    265void ipu_pre_update(struct ipu_pre *pre, unsigned int bufaddr);
    266bool ipu_pre_update_pending(struct ipu_pre *pre);
    267
    268struct ipu_prg *ipu_prg_lookup_by_phandle(struct device *dev, const char *name,
    269					  int ipu_id);
    270
    271extern struct platform_driver ipu_pre_drv;
    272extern struct platform_driver ipu_prg_drv;
    273
    274#endif				/* __IPU_PRV_H__ */