drivers/video/fbdev/msm/mdss_debug.h - kernel/msm.git - Git at Google

 /* SPDX-License-Identifier: GPL-2.0-only */
 /* Copyright (c) 2012-2018, 2020, The Linux Foundation. All rights reserved. */

 #ifndef MDSS_DEBUG_H
 #define MDSS_DEBUG_H

 #include <stdarg.h>
 #include <linux/debugfs.h>
 #include <linux/list.h>
 #include <linux/mdss_io_util.h>

 #include "mdss.h"
 #include "mdss_mdp_trace.h"

 #define MISR_POLL_SLEEP		2000
 #define MISR_POLL_TIMEOUT	32000
 #define MISR_CRC_BATCH_CFG	0x101
 #define DATA_LIMITER (-1)
 #define XLOG_TOUT_DATA_LIMITER (NULL)
 #define XLOG_FUNC_ENTRY	0x1111
 #define XLOG_FUNC_EXIT	0x2222
 #define MDSS_REG_BLOCK_NAME_LEN (5)

 #define DEBUG_FLAGS_DSPP BIT(0)

 enum mdss_dbg_reg_dump_flag {
 	MDSS_DBG_DUMP_IN_LOG = BIT(0),
 	MDSS_DBG_DUMP_IN_MEM = BIT(1),
 };

 enum mdss_dbg_xlog_flag {
 	MDSS_XLOG_DEFAULT = BIT(0),
 	MDSS_XLOG_IOMMU = BIT(1),
 	MDSS_XLOG_DBG = BIT(6),
 	MDSS_XLOG_ALL = BIT(7)
 };

 #define TEST_MASK(id, tp)	((id << 4) | (tp << 1) | BIT(0))
 struct debug_bus {
 	u32 wr_addr;
 	u32 block_id;
 	u32 test_id;
 };

 struct vbif_debug_bus {
 	u32 disable_bus_addr;
 	u32 block_bus_addr;
 	u32 bit_offset;
 	u32 block_cnt;
 	u32 test_pnt_start;
 	u32 test_pnt_cnt;
 };

 #define MDSS_XLOG(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_DEFAULT, \
 		##__VA_ARGS__, DATA_LIMITER)

 #define MDSS_XLOG_TOUT_HANDLER(...)	\
 	mdss_xlog_tout_handler_default(false, __func__, ##__VA_ARGS__, \
 		XLOG_TOUT_DATA_LIMITER)

 #define MDSS_XLOG_TOUT_HANDLER_WQ(...)	\
 	mdss_xlog_tout_handler_default(true, __func__, ##__VA_ARGS__, \
 		XLOG_TOUT_DATA_LIMITER)

 #define MDSS_XLOG_DBG(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_DBG, \
 		##__VA_ARGS__, DATA_LIMITER)

 #define MDSS_XLOG_ALL(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_ALL,	\
 		##__VA_ARGS__, DATA_LIMITER)

 #define MDSS_XLOG_IOMMU(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_IOMMU, \
 		##__VA_ARGS__, DATA_LIMITER)

 #define ATRACE_END(name) trace_tracing_mark_write(current->tgid, name, 0)
 #define ATRACE_BEGIN(name) trace_tracing_mark_write(current->tgid, name, 1)
 #define ATRACE_FUNC() ATRACE_BEGIN(__func__)

 #define ATRACE_INT(name, value) \
 	trace_mdp_trace_counter(current->tgid, name, value)

 #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_FB_MSM_MDSS)

 #define MDSS_DEBUG_BASE_MAX 10

 struct mdss_debug_base {
 	struct list_head head; /* head of this node */
 	struct list_head dump_list; /* head to the list with dump ranges */
 	struct mdss_debug_data *mdd;
 	char name[80];
 	void __iomem *base;
 	size_t off;
 	size_t cnt;
 	u8 cmd_data_type;
 	size_t max_offset;
 	char *buf;
 	size_t buf_len;
 	u32 *reg_dump; /* address for the mem dump if no ranges used */
 };

 struct mdss_debug_data {
 	struct dentry *root;
 	struct dentry *perf;
 	struct dentry *bordercolor;
 	struct dentry *postproc;
 	struct list_head base_list;
 };

 struct dump_offset {
 	u32 start;
 	u32 end;
 };

 struct range_dump_node {
 	struct list_head head; /* head of this node */
 	u32 *reg_dump; /* address for the mem dump */
 	char range_name[40]; /* name of this range */
 	struct dump_offset offset; /* range to dump */
 	uint32_t xin_id; /* client xin id */
 };

 #define DEFINE_MDSS_DEBUGFS_SEQ_FOPS(__prefix)				\
 static int __prefix ## _open(struct inode *inode, struct file *file)	\
 {									\
 	return single_open(file, __prefix ## _show, inode->i_private);	\
 }									\
 static const struct file_operations __prefix ## _fops = {		\
 	.owner = THIS_MODULE,						\
 	.open = __prefix ## _open,					\
 	.release = single_release,					\
 	.read = seq_read,						\
 	.llseek = seq_lseek,						\
 }

 int mdss_debugfs_init(struct mdss_data_type *mdata);
 int mdss_debugfs_remove(struct mdss_data_type *mdata);
 int mdss_debug_register_base(const char *name, void __iomem *base,
 	size_t max_offset, struct mdss_debug_base **dbg_blk);
 void mdss_debug_register_dump_range(struct platform_device *pdev,
 	struct mdss_debug_base *blk_base, const char *ranges_prop,
 	const char *name_prop, const char *xin_prop);
 int panel_debug_register_base(const char *name, void __iomem *base,
 				    size_t max_offset);
 int mdss_misr_set(struct mdss_data_type *mdata,
 			struct mdp_misr *req,
 			struct mdss_mdp_ctl *ctl);
 int mdss_misr_get(struct mdss_data_type *mdata,
 			struct mdp_misr *resp,
 			struct mdss_mdp_ctl *ctl,
 			bool is_video_mode);
 void mdss_misr_disable(struct mdss_data_type *mdata,
 			struct mdp_misr *req,
 			struct mdss_mdp_ctl *ctl);
 void mdss_misr_crc_collect(struct mdss_data_type *mdata, int block_id,
 	bool is_video_mode);

 int mdss_create_xlog_debug(struct mdss_debug_data *mdd);
 void mdss_xlog(const char *name, int line, int flag, ...);
 void mdss_xlog_tout_handler_default(bool queue, const char *name, ...);
 u32 get_dump_range(struct dump_offset *range_node, size_t max_offset);
 void mdss_dump_reg(const char *dump_name, u32 reg_dump_flag, char *addr,
 	int len, u32 **dump_mem, bool from_isr);
 void mdss_mdp_debug_mid(u32 mid);
 void mdss_dump_dsi_debug_bus(u32 bus_dump_flag, u32 **dump_mem);
 #else
 struct mdss_debug_base;
 struct dump_offset;

 static inline int mdss_debugfs_init(struct mdss_data_type *mdata) { return 0; }
 static inline int mdss_debugfs_remove(struct mdss_data_type *mdata)
 {
 	return 0;
 }
 static inline int mdss_debug_register_base(const char *name, void __iomem *base,
 	size_t max_offset, struct mdss_debug_base **dbg_blk) { return 0; }
 static inline void mdss_debug_register_dump_range(struct platform_device *pdev,
 	struct mdss_debug_base *blk_base, const char *ranges_prop,
 	const char *name_prop, const char *xin_prop) { }
 static inline int panel_debug_register_base(const char *name,
 					void __iomem *base,
 					size_t max_offset)
 { return 0; }
 static inline int mdss_misr_set(struct mdss_data_type *mdata,
 					struct mdp_misr *req,
 					struct mdss_mdp_ctl *ctl)
 { return 0; }
 static inline int mdss_misr_get(struct mdss_data_type *mdata,
 					struct mdp_misr *resp,
 					struct mdss_mdp_ctl *ctl,
 					bool is_video_mode)
 { return 0; }
 static inline void mdss_misr_disable(struct mdss_data_type *mdata,
 					struct mdp_misr *req,
 					struct mdss_mdp_ctl *ctl)
 { return; }

 static inline void mdss_misr_crc_collect(struct mdss_data_type *mdata,
 					int block_id, bool is_video_mode) { }

 static inline int create_xlog_debug(struct mdss_data_type *mdata) { return 0; }
 static inline void mdss_xlog_dump(void) { }
 static inline void mdss_xlog(const char *name, int line, int flag, ...) { }

 static inline void mdss_dsi_debug_check_te(struct mdss_panel_data *pdata) { }
 static inline void mdss_xlog_tout_handler_default(bool queue,
 	const char *name, ...) { }
 static inline u32 get_dump_range(struct dump_offset *range_node,
 						size_t max_offset)
 {
 return 0;
 }
 static inline void mdss_dump_reg(const char *dump_name, u32 reg_dump_flag,
 			char *addr, int len, u32 **dump_mem, bool from_isr)
 { }
 static inline void mdss_mdp_debug_mid(u32 mid) { }
 #endif

 int mdss_dump_misr_data(char **buf, u32 size);

 static inline int mdss_debug_register_io(const char *name,
 		struct dss_io_data *io_data, struct mdss_debug_base **dbg_blk)
 {
 	return mdss_debug_register_base(name, io_data->base, io_data->len,
 		dbg_blk);
 }

 #endif /* MDSS_DEBUG_H */
	/* SPDX-License-Identifier: GPL-2.0-only */
	/* Copyright (c) 2012-2018, 2020, The Linux Foundation. All rights reserved. */

	#ifndef MDSS_DEBUG_H
	#define MDSS_DEBUG_H

	#include <stdarg.h>
	#include <linux/debugfs.h>
	#include <linux/list.h>
	#include <linux/mdss_io_util.h>

	#include "mdss.h"
	#include "mdss_mdp_trace.h"

	#define MISR_POLL_SLEEP 2000
	#define MISR_POLL_TIMEOUT 32000
	#define MISR_CRC_BATCH_CFG 0x101
	#define DATA_LIMITER (-1)
	#define XLOG_TOUT_DATA_LIMITER (NULL)
	#define XLOG_FUNC_ENTRY 0x1111
	#define XLOG_FUNC_EXIT 0x2222
	#define MDSS_REG_BLOCK_NAME_LEN (5)

	#define DEBUG_FLAGS_DSPP BIT(0)

	enum mdss_dbg_reg_dump_flag {
	MDSS_DBG_DUMP_IN_LOG = BIT(0),
	MDSS_DBG_DUMP_IN_MEM = BIT(1),
	};

	enum mdss_dbg_xlog_flag {
	MDSS_XLOG_DEFAULT = BIT(0),
	MDSS_XLOG_IOMMU = BIT(1),
	MDSS_XLOG_DBG = BIT(6),
	MDSS_XLOG_ALL = BIT(7)
	};

	#define TEST_MASK(id, tp) ((id << 4) \| (tp << 1) \| BIT(0))
	struct debug_bus {
	u32 wr_addr;
	u32 block_id;
	u32 test_id;
	};

	struct vbif_debug_bus {
	u32 disable_bus_addr;
	u32 block_bus_addr;
	u32 bit_offset;
	u32 block_cnt;
	u32 test_pnt_start;
	u32 test_pnt_cnt;
	};

	#define MDSS_XLOG(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_DEFAULT, \
	##__VA_ARGS__, DATA_LIMITER)

	#define MDSS_XLOG_TOUT_HANDLER(...) \
	mdss_xlog_tout_handler_default(false, __func__, ##__VA_ARGS__, \
	XLOG_TOUT_DATA_LIMITER)

	#define MDSS_XLOG_TOUT_HANDLER_WQ(...) \
	mdss_xlog_tout_handler_default(true, __func__, ##__VA_ARGS__, \
	XLOG_TOUT_DATA_LIMITER)

	#define MDSS_XLOG_DBG(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_DBG, \
	##__VA_ARGS__, DATA_LIMITER)

	#define MDSS_XLOG_ALL(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_ALL, \
	##__VA_ARGS__, DATA_LIMITER)

	#define MDSS_XLOG_IOMMU(...) mdss_xlog(__func__, __LINE__, MDSS_XLOG_IOMMU, \
	##__VA_ARGS__, DATA_LIMITER)

	#define ATRACE_END(name) trace_tracing_mark_write(current->tgid, name, 0)
	#define ATRACE_BEGIN(name) trace_tracing_mark_write(current->tgid, name, 1)
	#define ATRACE_FUNC() ATRACE_BEGIN(__func__)

	#define ATRACE_INT(name, value) \
	trace_mdp_trace_counter(current->tgid, name, value)

	#if defined(CONFIG_DEBUG_FS) && defined(CONFIG_FB_MSM_MDSS)

	#define MDSS_DEBUG_BASE_MAX 10

	struct mdss_debug_base {
	struct list_head head; /* head of this node */
	struct list_head dump_list; /* head to the list with dump ranges */
	struct mdss_debug_data *mdd;
	char name[80];
	void __iomem *base;
	size_t off;
	size_t cnt;
	u8 cmd_data_type;
	size_t max_offset;
	char *buf;
	size_t buf_len;
	u32 reg_dump; / address for the mem dump if no ranges used */
	};

	struct mdss_debug_data {
	struct dentry *root;
	struct dentry *perf;
	struct dentry *bordercolor;
	struct dentry *postproc;
	struct list_head base_list;
	};

	struct dump_offset {
	u32 start;
	u32 end;
	};

	struct range_dump_node {
	struct list_head head; /* head of this node */
	u32 reg_dump; / address for the mem dump */
	char range_name[40]; /* name of this range */
	struct dump_offset offset; /* range to dump */
	uint32_t xin_id; /* client xin id */
	};

	#define DEFINE_MDSS_DEBUGFS_SEQ_FOPS(__prefix) \
	static int __prefix ## _open(struct inode inode, struct file file) \
	{ \
	return single_open(file, __prefix ## _show, inode->i_private); \
	} \
	static const struct file_operations __prefix ## _fops = { \
	.owner = THIS_MODULE, \
	.open = __prefix ## _open, \
	.release = single_release, \
	.read = seq_read, \
	.llseek = seq_lseek, \
	}

	int mdss_debugfs_init(struct mdss_data_type *mdata);
	int mdss_debugfs_remove(struct mdss_data_type *mdata);
	int mdss_debug_register_base(const char name, void __iomem base,
	size_t max_offset, struct mdss_debug_base **dbg_blk);
	void mdss_debug_register_dump_range(struct platform_device *pdev,
	struct mdss_debug_base blk_base, const char ranges_prop,
	const char name_prop, const char xin_prop);
	int panel_debug_register_base(const char name, void __iomem base,
	size_t max_offset);
	int mdss_misr_set(struct mdss_data_type *mdata,
	struct mdp_misr *req,
	struct mdss_mdp_ctl *ctl);
	int mdss_misr_get(struct mdss_data_type *mdata,
	struct mdp_misr *resp,
	struct mdss_mdp_ctl *ctl,
	bool is_video_mode);
	void mdss_misr_disable(struct mdss_data_type *mdata,
	struct mdp_misr *req,
	struct mdss_mdp_ctl *ctl);
	void mdss_misr_crc_collect(struct mdss_data_type *mdata, int block_id,
	bool is_video_mode);

	int mdss_create_xlog_debug(struct mdss_debug_data *mdd);
	void mdss_xlog(const char *name, int line, int flag, ...);
	void mdss_xlog_tout_handler_default(bool queue, const char *name, ...);
	u32 get_dump_range(struct dump_offset *range_node, size_t max_offset);
	void mdss_dump_reg(const char dump_name, u32 reg_dump_flag, char addr,
	int len, u32 **dump_mem, bool from_isr);
	void mdss_mdp_debug_mid(u32 mid);
	void mdss_dump_dsi_debug_bus(u32 bus_dump_flag, u32 **dump_mem);
	#else
	struct mdss_debug_base;
	struct dump_offset;

	static inline int mdss_debugfs_init(struct mdss_data_type *mdata) { return 0; }
	static inline int mdss_debugfs_remove(struct mdss_data_type *mdata)
	{
	return 0;
	}
	static inline int mdss_debug_register_base(const char name, void __iomem base,
	size_t max_offset, struct mdss_debug_base **dbg_blk) { return 0; }
	static inline void mdss_debug_register_dump_range(struct platform_device *pdev,
	struct mdss_debug_base blk_base, const char ranges_prop,
	const char name_prop, const char xin_prop) { }
	static inline int panel_debug_register_base(const char *name,
	void __iomem *base,
	size_t max_offset)
	{ return 0; }
	static inline int mdss_misr_set(struct mdss_data_type *mdata,
	struct mdp_misr *req,
	struct mdss_mdp_ctl *ctl)
	{ return 0; }
	static inline int mdss_misr_get(struct mdss_data_type *mdata,
	struct mdp_misr *resp,
	struct mdss_mdp_ctl *ctl,
	bool is_video_mode)
	{ return 0; }
	static inline void mdss_misr_disable(struct mdss_data_type *mdata,
	struct mdp_misr *req,
	struct mdss_mdp_ctl *ctl)
	{ return; }

	static inline void mdss_misr_crc_collect(struct mdss_data_type *mdata,
	int block_id, bool is_video_mode) { }

	static inline int create_xlog_debug(struct mdss_data_type *mdata) { return 0; }
	static inline void mdss_xlog_dump(void) { }
	static inline void mdss_xlog(const char *name, int line, int flag, ...) { }

	static inline void mdss_dsi_debug_check_te(struct mdss_panel_data *pdata) { }
	static inline void mdss_xlog_tout_handler_default(bool queue,
	const char *name, ...) { }
	static inline u32 get_dump_range(struct dump_offset *range_node,
	size_t max_offset)
	{
	return 0;
	}
	static inline void mdss_dump_reg(const char *dump_name, u32 reg_dump_flag,
	char addr, int len, u32 *dump_mem, bool from_isr)
	{ }
	static inline void mdss_mdp_debug_mid(u32 mid) { }
	#endif

	int mdss_dump_misr_data(char **buf, u32 size);

	static inline int mdss_debug_register_io(const char *name,
	struct dss_io_data io_data, struct mdss_debug_base *dbg_blk)
	{
	return mdss_debug_register_base(name, io_data->base, io_data->len,
	dbg_blk);
	}

	#endif /* MDSS_DEBUG_H */