board/micronas/vct/scc.h - uboot-imx - Git at Google

 /*
  * (C) Copyright 2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
  *
  * Copyright (C) 2006 Micronas GmbH
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #ifndef _SCC_H
 #define _SCC_H

 #define DMA_READ		0	/* SCC read  DMA		*/
 #define DMA_WRITE		1	/* SCC write DMA		*/

 #define DMA_LINEAR		0	/* DMA linear buffer access method */
 #define DMA_CYCLIC		1	/* DMA cyclic buffer access method */

 #define DMA_START		0	/* DMA command - start DMA	*/
 #define DMA_STOP		1	/* DMA command - stop  DMA	*/
 #define DMA_START_FH_RESET	2	/* DMA command - start DMA reset FH */
 #define DMA_TAKEOVER		15	/* DMA command - commit the DMA conf */

 #define AGU_ACTIVE		0	/* enable AGU address calculation */
 #define AGU_BYPASS		1	/* set AGU to bypass mode	*/

 #define USE_NO_FH		0	/* order the DMA to not use FH	*/
 #define USE_FH			1	/* order the DMA to work with FH*/

 #define SCC_DBG_IDLE		0	/* DEBUG status (idle interfaces) */
 #define SCC_DBG_SYNC_RES	0x0001	/* synchronuous reset		*/

 #define SCC_TO_IMMEDIATE	1	/* takeover command issued immediately*/
 #define TO_DMA_CFG		2	/* takeover command for the DMA config*/

 #define DMA_CMD_RESET		0
 #define DMA_CMD_SETUP		1
 #define DMA_CMD_START		2
 #define DMA_CMD_STOP		3

 #define DMA_STATE_RESET		0
 #define DMA_STATE_SETUP		1
 #define DMA_STATE_START		2
 #define DMA_STATE_ERROR		3

 #define SRMD			0
 #define STRM_D			1
 #define STRM_P			2

 /*
  * Slowest Monterey domain is DVP 27 MHz (324/27 = 12; 12*16 = 192 CPU clocks)
  */
 #define RESET_TIME		2	/* cycle calc see in SCC_Reset	*/

 struct scc_descriptor {
 	char *pu_name;		/* PU identifier			*/
 	char *scc_instance;	/* SCC Name				*/
 	u32 profile;		/* SCC VCI_D profile			*/

 	u32 base_address;	/* base address of the SCC unit reg shell*/

 	/* SCS Interconnect configuration */
 	u32 p_scc_id;		/* instance number of SCC unit		*/
 	u32 p_mci_id;		/* memory channel ID			*/

 	/* DMA Registers configuration */
 	u32 p_dma_channels_rd;	/* Number of Read DMA channels		*/
 	u32 p_dma_channels_wr;	/* Number of Write DMA channels		*/

 	u32 p_dma_packet_desc;	/* Number of packet descriptors		*/
 	u32 p_dma_mci_desc;	/* Number of MCI_CFG Descriptors	*/

 	int use_fh;		/* the flag tells if SCC uses an FH	*/

 	int p_si2ocp_id;	/* instance number of SI2OCP unit	*/
 	int hw_dma_cfg;		/* HW or SW DMA config flag		*/
 	int hw_dma_start;	/* HW or SW DMA start/stop flag		*/

 	u32 *buffer_tag_list;	/* list of the buffer tags available	*/
 	u32 *csize_list;	/* list of the valid CSIZE values	*/
 };

 struct scc_dma_state {
 	u32 scc_id:8;		/* SCC id				*/
 	u32 dma_id:8;		/* DMA id, used for match with array idx*/
 	u32 buffer_tag:8;	/* mem buf tag, assigned to this DMA	*/
 	u32 dma_status:2;	/* state of DMA, of the DMA_STATE_ const*/
 	u32 dma_drs:2;		/* DMA dir, either DMA_READ or DMA_WRITE*/
 	u32 dma_cmd:4;		/* last executed command on this DMA	*/
 };

 union scc_cmd {
 	u32 reg;
 	struct {
 		u32 res1:19;	/* reserved				*/
 		u32 drs:1;	/* DMA Register Set			*/
 		u32 rid:2;	/* Register Identifier			*/
 		u32 id:6;	/* DMA Identifier			*/
 		u32 action:4;	/* DMA Command encoding			*/
 	} bits;
 };

 union scc_dma_cfg {
 	u32 reg;
 	struct {
 		u32 res1:17;		/* reserved			*/
 		u32 agu_mode:1;		/* AGU Mode			*/
 		u32 res2:1;		/* reserved			*/
 		u32 fh_mode:1;		/* Fifo Handler			*/
 		u32 buffer_type:1;	/* Defines type of mem buffers	*/
 		u32 mci_cfg_id:1;	/* MCI_CFG register selector	*/
 		u32 packet_cfg_id:1;	/* PACKET_CFG register selector	*/
 		u32 buffer_id:8;	/* DMA Buffer Identifier	*/
 	} bits;
 };

 union scc_debug {
 	u32 reg;
 	struct {
 		u32 res1:20;	/* reserved				*/
 		u32 arg:8;	/* SCC Debug Command Argument (#)	*/
 		u32 cmd:4;	/* SCC Debug Command Register		*/
 	} bits;
 };

 union scc_softwareconfiguration {
 	u32 reg;
 	struct {
 		u32 res1:28;		/* reserved			*/
 		u32 clock_status:1;	/* clock on/off			*/
 		u32 packet_select:1;	/* active SCC packet id		*/
 		u32 enable_status:1;	/* enabled [1/0]		*/
 		u32 active_status:1;	/* 1=active  0=reset		*/
 	} bits;
 };

 /*
  * System on Chip Channel ID
  */
 enum scc_id {
 	SCC_NULL = -1,		/* illegal SCC identifier		*/
 	SCC_FE_3DCOMB_WR,	/* SCC_FE_3DCOMB Write channel		*/
 	SCC_FE_3DCOMB_RD,	/* SCC_FE_3DCOMB Read channel		*/
 	SCC_DI_TNR_WR,		/* SCC_DI_TNR Write channel		*/
 	SCC_DI_TNR_FIELD_RD,	/* SCC_DI_TNR_FIELD Read channel	*/
 	SCC_DI_TNR_FRAME_RD,	/* SCC_DI_TNR_FRAME Read channel	*/
 	SCC_DI_MVAL_WR,		/* SCC_DI_MVAL Write channel		*/
 	SCC_DI_MVAL_RD,		/* SCC_DI_MVAL Read channel		*/
 	SCC_RC_FRAME_WR,	/* SCC_RC_FRAME Write channel		*/
 	SCC_RC_FRAME0_RD,	/* SCC_RC_FRAME0 Read channel		*/
 	SCC_OPT_FIELD0_RD,	/* SCC_OPT_FIELD0 Read channel		*/
 	SCC_OPT_FIELD1_RD,	/* SCC_OPT_FIELD1 Read channel		*/
 	SCC_OPT_FIELD2_RD,	/* SCC_OPT_FIELD2 Read channel		*/
 	SCC_PIP_FRAME_WR,	/* SCC_PIP_FRAME Write channel		*/
 	SCC_PIP_FRAME_RD,	/* SCC_PIP_FRAME Read channel		*/
 	SCC_DP_AGPU_RD,		/* SCC_DP_AGPU Read channel		*/
 	SCC_EWARP_RW,		/* SCC_EWARP Read/Write channel		*/
 	SCC_DP_OSD_RD,		/* SCC_DP_OSD Read channel		*/
 	SCC_DP_GRAPHIC_RD,	/* SCC_DP_GRAPHIC Read channel		*/
 	SCC_DVP_OSD_RD,		/* SCC_DVP_OSD Read channel		*/
 	SCC_DVP_VBI_RD,		/* SCC_DVP_VBI Read channel		*/
 	SCC_TSIO_WR,		/* SCC_TSIO Write channel		*/
 	SCC_TSIO_RD,		/* SCC_TSIO Read channel		*/
 	SCC_TSD_WR,		/* SCC_TSD Write channel		*/
 	SCC_VD_UD_ST_RW,	/* SCC_VD_UD_ST Read/Write channel	*/
 	SCC_VD_FRR_RD,		/* SCC_VD_FRR Read channel		*/
 	SCC_VD_FRW_DISP_WR,	/* SCC_VD_FRW_DISP Write channel	*/
 	SCC_MR_VD_M_Y_RD,	/* SCC_MR_VD_M_Y Read channel		*/
 	SCC_MR_VD_M_C_RD,	/* SCC_MR_VD_M_C Read channel		*/
 	SCC_MR_VD_S_Y_RD,	/* SCC_MR_VD_S_Y Read channel		*/
 	SCC_MR_VD_S_C_RD,	/* SCC_MR_VD_S_C Read channel		*/
 	SCC_GA_WR,		/* SCC_GA Write channel			*/
 	SCC_GA_SRC1_RD,		/* SCC_GA_SRC1 Read channel		*/
 	SCC_GA_SRC2_RD,		/* SCC_GA_SRC2 Read channel		*/
 	SCC_AD_RD,		/* SCC_AD Read channel			*/
 	SCC_AD_WR,		/* SCC_AD Write channel			*/
 	SCC_ABP_RD,		/* SCC_ABP Read channel			*/
 	SCC_ABP_WR,		/* SCC_ABP Write channel		*/
 	SCC_EBI_RW,		/* SCC_EBI Read/Write channel		*/
 	SCC_USB_RW,		/* SCC_USB Read/Write channel		*/
 	SCC_CPU1_SPDMA_RW,	/* SCC_CPU1_SPDMA Read/Write channel	*/
 	SCC_CPU1_BRIDGE_RW,	/* SCC_CPU1_BRIDGE Read/Write channel	*/
 	SCC_MAX			/* maximum limit on the SCC id		*/
 };

 int scc_set_usb_address_generation_mode(u32 agu_mode);
 int scc_dma_cmd(enum scc_id id, u32 cmd, u32 dma_id, u32 drs);
 int scc_setup_dma(enum scc_id id, u32 buffer_tag,
 		  u32 type, u32 fh_mode, u32 drs, u32 dma_id);
 int scc_enable(enum scc_id id, u32 value);
 int scc_reset(enum scc_id id, u32 value);

 #endif /* _SCC_H */
	/*
	* (C) Copyright 2009 Stefan Roese <sr@denx.de>, DENX Software Engineering
	*
	* Copyright (C) 2006 Micronas GmbH
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#ifndef _SCC_H
	#define _SCC_H

	#define DMA_READ 0 /* SCC read DMA */
	#define DMA_WRITE 1 /* SCC write DMA */

	#define DMA_LINEAR 0 /* DMA linear buffer access method */
	#define DMA_CYCLIC 1 /* DMA cyclic buffer access method */

	#define DMA_START 0 /* DMA command - start DMA */
	#define DMA_STOP 1 /* DMA command - stop DMA */
	#define DMA_START_FH_RESET 2 /* DMA command - start DMA reset FH */
	#define DMA_TAKEOVER 15 /* DMA command - commit the DMA conf */

	#define AGU_ACTIVE 0 /* enable AGU address calculation */
	#define AGU_BYPASS 1 /* set AGU to bypass mode */

	#define USE_NO_FH 0 /* order the DMA to not use FH */
	#define USE_FH 1 /* order the DMA to work with FH*/

	#define SCC_DBG_IDLE 0 /* DEBUG status (idle interfaces) */
	#define SCC_DBG_SYNC_RES 0x0001 /* synchronuous reset */

	#define SCC_TO_IMMEDIATE 1 /* takeover command issued immediately*/
	#define TO_DMA_CFG 2 /* takeover command for the DMA config*/

	#define DMA_CMD_RESET 0
	#define DMA_CMD_SETUP 1
	#define DMA_CMD_START 2
	#define DMA_CMD_STOP 3

	#define DMA_STATE_RESET 0
	#define DMA_STATE_SETUP 1
	#define DMA_STATE_START 2
	#define DMA_STATE_ERROR 3

	#define SRMD 0
	#define STRM_D 1
	#define STRM_P 2

	/*
	* Slowest Monterey domain is DVP 27 MHz (324/27 = 12; 12*16 = 192 CPU clocks)
	*/
	#define RESET_TIME 2 /* cycle calc see in SCC_Reset */

	struct scc_descriptor {
	char pu_name; / PU identifier */
	char scc_instance; / SCC Name */
	u32 profile; /* SCC VCI_D profile */

	u32 base_address; /* base address of the SCC unit reg shell*/

	/* SCS Interconnect configuration */
	u32 p_scc_id; /* instance number of SCC unit */
	u32 p_mci_id; /* memory channel ID */

	/* DMA Registers configuration */
	u32 p_dma_channels_rd; /* Number of Read DMA channels */
	u32 p_dma_channels_wr; /* Number of Write DMA channels */

	u32 p_dma_packet_desc; /* Number of packet descriptors */
	u32 p_dma_mci_desc; /* Number of MCI_CFG Descriptors */

	int use_fh; /* the flag tells if SCC uses an FH */

	int p_si2ocp_id; /* instance number of SI2OCP unit */
	int hw_dma_cfg; /* HW or SW DMA config flag */
	int hw_dma_start; /* HW or SW DMA start/stop flag */

	u32 buffer_tag_list; / list of the buffer tags available */
	u32 csize_list; / list of the valid CSIZE values */
	};

	struct scc_dma_state {
	u32 scc_id:8; /* SCC id */
	u32 dma_id:8; /* DMA id, used for match with array idx*/
	u32 buffer_tag:8; /* mem buf tag, assigned to this DMA */
	u32 dma_status:2; /* state of DMA, of the DMA_STATE_ const*/
	u32 dma_drs:2; /* DMA dir, either DMA_READ or DMA_WRITE*/
	u32 dma_cmd:4; /* last executed command on this DMA */
	};

	union scc_cmd {
	u32 reg;
	struct {
	u32 res1:19; /* reserved */
	u32 drs:1; /* DMA Register Set */
	u32 rid:2; /* Register Identifier */
	u32 id:6; /* DMA Identifier */
	u32 action:4; /* DMA Command encoding */
	} bits;
	};

	union scc_dma_cfg {
	u32 reg;
	struct {
	u32 res1:17; /* reserved */
	u32 agu_mode:1; /* AGU Mode */
	u32 res2:1; /* reserved */
	u32 fh_mode:1; /* Fifo Handler */
	u32 buffer_type:1; /* Defines type of mem buffers */
	u32 mci_cfg_id:1; /* MCI_CFG register selector */
	u32 packet_cfg_id:1; /* PACKET_CFG register selector */
	u32 buffer_id:8; /* DMA Buffer Identifier */
	} bits;
	};

	union scc_debug {
	u32 reg;
	struct {
	u32 res1:20; /* reserved */
	u32 arg:8; /* SCC Debug Command Argument (#) */
	u32 cmd:4; /* SCC Debug Command Register */
	} bits;
	};

	union scc_softwareconfiguration {
	u32 reg;
	struct {
	u32 res1:28; /* reserved */
	u32 clock_status:1; /* clock on/off */
	u32 packet_select:1; /* active SCC packet id */
	u32 enable_status:1; /* enabled [1/0] */
	u32 active_status:1; /* 1=active 0=reset */
	} bits;
	};

	/*
	* System on Chip Channel ID
	*/
	enum scc_id {
	SCC_NULL = -1, /* illegal SCC identifier */
	SCC_FE_3DCOMB_WR, /* SCC_FE_3DCOMB Write channel */
	SCC_FE_3DCOMB_RD, /* SCC_FE_3DCOMB Read channel */
	SCC_DI_TNR_WR, /* SCC_DI_TNR Write channel */
	SCC_DI_TNR_FIELD_RD, /* SCC_DI_TNR_FIELD Read channel */
	SCC_DI_TNR_FRAME_RD, /* SCC_DI_TNR_FRAME Read channel */
	SCC_DI_MVAL_WR, /* SCC_DI_MVAL Write channel */
	SCC_DI_MVAL_RD, /* SCC_DI_MVAL Read channel */
	SCC_RC_FRAME_WR, /* SCC_RC_FRAME Write channel */
	SCC_RC_FRAME0_RD, /* SCC_RC_FRAME0 Read channel */
	SCC_OPT_FIELD0_RD, /* SCC_OPT_FIELD0 Read channel */
	SCC_OPT_FIELD1_RD, /* SCC_OPT_FIELD1 Read channel */
	SCC_OPT_FIELD2_RD, /* SCC_OPT_FIELD2 Read channel */
	SCC_PIP_FRAME_WR, /* SCC_PIP_FRAME Write channel */
	SCC_PIP_FRAME_RD, /* SCC_PIP_FRAME Read channel */
	SCC_DP_AGPU_RD, /* SCC_DP_AGPU Read channel */
	SCC_EWARP_RW, /* SCC_EWARP Read/Write channel */
	SCC_DP_OSD_RD, /* SCC_DP_OSD Read channel */
	SCC_DP_GRAPHIC_RD, /* SCC_DP_GRAPHIC Read channel */
	SCC_DVP_OSD_RD, /* SCC_DVP_OSD Read channel */
	SCC_DVP_VBI_RD, /* SCC_DVP_VBI Read channel */
	SCC_TSIO_WR, /* SCC_TSIO Write channel */
	SCC_TSIO_RD, /* SCC_TSIO Read channel */
	SCC_TSD_WR, /* SCC_TSD Write channel */
	SCC_VD_UD_ST_RW, /* SCC_VD_UD_ST Read/Write channel */
	SCC_VD_FRR_RD, /* SCC_VD_FRR Read channel */
	SCC_VD_FRW_DISP_WR, /* SCC_VD_FRW_DISP Write channel */
	SCC_MR_VD_M_Y_RD, /* SCC_MR_VD_M_Y Read channel */
	SCC_MR_VD_M_C_RD, /* SCC_MR_VD_M_C Read channel */
	SCC_MR_VD_S_Y_RD, /* SCC_MR_VD_S_Y Read channel */
	SCC_MR_VD_S_C_RD, /* SCC_MR_VD_S_C Read channel */
	SCC_GA_WR, /* SCC_GA Write channel */
	SCC_GA_SRC1_RD, /* SCC_GA_SRC1 Read channel */
	SCC_GA_SRC2_RD, /* SCC_GA_SRC2 Read channel */
	SCC_AD_RD, /* SCC_AD Read channel */
	SCC_AD_WR, /* SCC_AD Write channel */
	SCC_ABP_RD, /* SCC_ABP Read channel */
	SCC_ABP_WR, /* SCC_ABP Write channel */
	SCC_EBI_RW, /* SCC_EBI Read/Write channel */
	SCC_USB_RW, /* SCC_USB Read/Write channel */
	SCC_CPU1_SPDMA_RW, /* SCC_CPU1_SPDMA Read/Write channel */
	SCC_CPU1_BRIDGE_RW, /* SCC_CPU1_BRIDGE Read/Write channel */
	SCC_MAX /* maximum limit on the SCC id */
	};

	int scc_set_usb_address_generation_mode(u32 agu_mode);
	int scc_dma_cmd(enum scc_id id, u32 cmd, u32 dma_id, u32 drs);
	int scc_setup_dma(enum scc_id id, u32 buffer_tag,
	u32 type, u32 fh_mode, u32 drs, u32 dma_id);
	int scc_enable(enum scc_id id, u32 value);
	int scc_reset(enum scc_id id, u32 value);

	#endif /* _SCC_H */