1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Support for Intel Camera Imaging ISP subsystem.
4  * Copyright (c) 2015, Intel Corporation.
5  *
6  * This program is free software; you can redistribute it and/or modify it
7  * under the terms and conditions of the GNU General Public License,
8  * version 2, as published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope it will be useful, but WITHOUT
11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13  * more details.
14  */
15 
16 #ifndef _IA_CSS_DEBUG_H_
17 #define _IA_CSS_DEBUG_H_
18 
19 /*! \file */
20 
21 #include <type_support.h>
22 #include <linux/stdarg.h>
23 #include <linux/bits.h>
24 #include "ia_css_types.h"
25 #include "ia_css_binary.h"
26 #include "ia_css_frame_public.h"
27 #include "ia_css_pipe_public.h"
28 #include "ia_css_stream_public.h"
29 #include "ia_css_metadata.h"
30 #include "sh_css_internal.h"
31 /* ISP2500 */
32 #include "ia_css_pipe.h"
33 
34 /* available levels */
35 /*! Level for tracing errors */
36 #define IA_CSS_DEBUG_ERROR   1
37 /*! Level for tracing warnings */
38 #define IA_CSS_DEBUG_WARNING 3
39 /*! Level for tracing debug messages */
40 #define IA_CSS_DEBUG_VERBOSE   5
41 /*! Level for tracing trace messages a.o. ia_css public function calls */
42 #define IA_CSS_DEBUG_TRACE   6
43 /*! Level for tracing trace messages a.o. ia_css private function calls */
44 #define IA_CSS_DEBUG_TRACE_PRIVATE   7
45 /*! Level for tracing parameter messages e.g. in and out params of functions */
46 #define IA_CSS_DEBUG_PARAM   8
47 /*! Level for tracing info messages */
48 #define IA_CSS_DEBUG_INFO    9
49 
50 /* Global variable which controls the verbosity levels of the debug tracing */
51 extern int dbg_level;
52 
53 /*! @brief Enum defining the different isp parameters to dump.
54  *  Values can be combined to dump a combination of sets.
55  */
56 enum ia_css_debug_enable_param_dump {
57 	IA_CSS_DEBUG_DUMP_FPN = BIT(0),  /** FPN table */
58 	IA_CSS_DEBUG_DUMP_OB  = BIT(1),  /** OB table */
59 	IA_CSS_DEBUG_DUMP_SC  = BIT(2),  /** Shading table */
60 	IA_CSS_DEBUG_DUMP_WB  = BIT(3),  /** White balance */
61 	IA_CSS_DEBUG_DUMP_DP  = BIT(4),  /** Defect Pixel */
62 	IA_CSS_DEBUG_DUMP_BNR = BIT(5),  /** Bayer Noise Reductions */
63 	IA_CSS_DEBUG_DUMP_S3A = BIT(6),  /** 3A Statistics */
64 	IA_CSS_DEBUG_DUMP_DE  = BIT(7),  /** De Mosaicing */
65 	IA_CSS_DEBUG_DUMP_YNR = BIT(8),  /** Luma Noise Reduction */
66 	IA_CSS_DEBUG_DUMP_CSC = BIT(9),  /** Color Space Conversion */
67 	IA_CSS_DEBUG_DUMP_GC  = BIT(10), /** Gamma Correction */
68 	IA_CSS_DEBUG_DUMP_TNR = BIT(11), /** Temporal Noise Reduction */
69 	IA_CSS_DEBUG_DUMP_ANR = BIT(12), /** Advanced Noise Reduction */
70 	IA_CSS_DEBUG_DUMP_CE  = BIT(13), /** Chroma Enhancement */
71 	IA_CSS_DEBUG_DUMP_ALL = BIT(14), /** Dump all device parameters */
72 };
73 
74 #define IA_CSS_ERROR(fmt, ...) \
75 	ia_css_debug_dtrace(IA_CSS_DEBUG_ERROR, \
76 		"%s() %d: error: " fmt "\n", __func__, __LINE__, ##__VA_ARGS__)
77 
78 #define IA_CSS_WARNING(fmt, ...) \
79 	ia_css_debug_dtrace(IA_CSS_DEBUG_WARNING, \
80 		"%s() %d: warning: " fmt "\n", __func__, __LINE__, ##__VA_ARGS__)
81 
82 /* Logging macros for public functions (API functions) */
83 #define IA_CSS_ENTER(fmt, ...) \
84 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, \
85 		"%s(): enter: " fmt "\n", __func__, ##__VA_ARGS__)
86 
87 /* Use this macro for small functions that do not call other functions. */
88 #define IA_CSS_ENTER_LEAVE(fmt, ...) \
89 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, \
90 		"%s(): enter: leave: " fmt "\n", __func__, ##__VA_ARGS__)
91 
92 #define IA_CSS_LEAVE(fmt, ...) \
93 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, \
94 		"%s(): leave: " fmt "\n", __func__, ##__VA_ARGS__)
95 
96 /* Shorthand for returning an int return value */
97 #define IA_CSS_LEAVE_ERR(__err) \
98 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE, \
99 		"%s() %d: leave: return_err=%d\n", __func__, __LINE__, __err)
100 
101 /* Use this macro for logging other than enter/leave.
102  * Note that this macro always uses the PRIVATE logging level.
103  */
104 #define IA_CSS_LOG(fmt, ...) \
105 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, \
106 		"%s(): " fmt "\n", __func__, ##__VA_ARGS__)
107 
108 /* Logging macros for non-API functions. These have a lower trace level */
109 #define IA_CSS_ENTER_PRIVATE(fmt, ...) \
110 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, \
111 		"%s(): enter: " fmt "\n", __func__, ##__VA_ARGS__)
112 
113 #define IA_CSS_LEAVE_PRIVATE(fmt, ...) \
114 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, \
115 		"%s(): leave: " fmt "\n", __func__, ##__VA_ARGS__)
116 
117 /* Shorthand for returning an int return value */
118 #define IA_CSS_LEAVE_ERR_PRIVATE(__err) \
119 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, \
120 		"%s() %d: leave: return_err=%d\n", __func__, __LINE__, __err)
121 
122 /* Use this macro for small functions that do not call other functions. */
123 #define IA_CSS_ENTER_LEAVE_PRIVATE(fmt, ...) \
124 	ia_css_debug_dtrace(IA_CSS_DEBUG_TRACE_PRIVATE, \
125 		"%s(): enter: leave: " fmt "\n", __func__, ##__VA_ARGS__)
126 
127 /*! @brief Function for tracing to the provided printf function in the
128  *	environment.
129  * @param[in]	level		Level of the message.
130  * @param[in]	fmt		printf like format string
131  * @param[in]	args		arguments for the format string
132  */
ia_css_debug_vdtrace(unsigned int level,const char * fmt,va_list args)133 static inline void __printf(2, 0) ia_css_debug_vdtrace(unsigned int level,
134 						       const char *fmt,
135 						       va_list args)
136 {
137 	if (dbg_level >= level)
138 		sh_css_vprint(fmt, args);
139 }
140 
141 __printf(2, 3) void ia_css_debug_dtrace(unsigned int level,
142 					const char *fmt, ...);
143 
144 
145 /*! @brief Function to set the global dtrace verbosity level.
146  * @param[in]	trace_level	Maximum level of the messages to be traced.
147  * @return	None
148  */
149 void ia_css_debug_set_dtrace_level(
150     const unsigned int	trace_level);
151 
152 /*! @brief Function to get the global dtrace verbosity level.
153  * @return	global dtrace verbosity level
154  */
155 unsigned int ia_css_debug_get_dtrace_level(void);
156 
157 /* ISP2401 */
158 /*! @brief Dump GAC hardware state.
159  * Dumps the GAC ACB hardware registers. may be useful for
160  * detecting a GAC which got hang.
161  * @return	None
162  */
163 void ia_css_debug_dump_gac_state(void);
164 
165 /*! @brief Dump internal sp software state.
166  * Dumps the sp software state to tracing output.
167  * @return	None
168  */
169 void ia_css_debug_dump_sp_sw_debug_info(void);
170 
171 #if SP_DEBUG != SP_DEBUG_NONE
172 void ia_css_debug_print_sp_debug_state(
173     const struct sh_css_sp_debug_state *state);
174 #endif
175 
176 /*! @brief Dump all related binary info data
177  * @param[in]  bi	Binary info struct.
178  * @return	None
179  */
180 void ia_css_debug_binary_print(
181     const struct ia_css_binary *bi);
182 
183 void ia_css_debug_sp_dump_mipi_fifo_high_water(void);
184 
185 /*! \brief Dump pif A isp fifo state
186  * Dumps the primary input formatter state to tracing output.
187  * @return	None
188  */
189 void ia_css_debug_dump_pif_a_isp_fifo_state(void);
190 
191 /*! \brief Dump pif B isp fifo state
192  * Dumps the primary input formatter state to tracing output.
193  * \return	None
194  */
195 void ia_css_debug_dump_pif_b_isp_fifo_state(void);
196 
197 /*! @brief Dump stream-to-memory sp fifo state
198  * Dumps the stream-to-memory block state to tracing output.
199  * @return	None
200  */
201 void ia_css_debug_dump_str2mem_sp_fifo_state(void);
202 
203 /*! @brief Dump all fifo state info to the output
204  * Dumps all fifo state to tracing output.
205  * @return	None
206  */
207 void ia_css_debug_dump_all_fifo_state(void);
208 
209 /*! @brief Dump the frame info to the trace output
210  * Dumps the frame info to tracing output.
211  * @param[in]	frame		pointer to struct ia_css_frame
212  * @param[in]	descr		description output along with the frame info
213  * @return	None
214  */
215 void ia_css_debug_frame_print(
216     const struct ia_css_frame	*frame,
217     const char	*descr);
218 
219 /*! @brief Function to enable sp sleep mode.
220  * Function that enables sp sleep mode
221  * @param[in]	mode		indicates when to put sp to sleep
222  * @return	None
223  */
224 void ia_css_debug_enable_sp_sleep_mode(enum ia_css_sp_sleep_mode mode);
225 
226 /*! @brief Function to wake up sp when in sleep mode.
227  * After sp has been put to sleep, use this function to let it continue
228  * to run again.
229  * @return	None
230  */
231 void ia_css_debug_wake_up_sp(void);
232 
233 /*! @brief Function to dump isp parameters.
234  * Dump isp parameters to tracing output
235  * @param[in]	stream		pointer to ia_css_stream struct
236  * @param[in]	enable		flag indicating which parameters to dump.
237  * @return	None
238  */
239 void ia_css_debug_dump_isp_params(struct ia_css_stream *stream,
240 				  unsigned int enable);
241 
242 void ia_css_debug_dump_isp_binary(void);
243 
244 void sh_css_dump_sp_raw_copy_linecount(bool reduced);
245 
246 /*! @brief Dump the resolution info to the trace output
247  * Dumps the resolution info to the trace output.
248  * @param[in]	res	pointer to struct ia_css_resolution
249  * @param[in]	label	description of resolution output
250  * @return	None
251  */
252 void ia_css_debug_dump_resolution(
253     const struct ia_css_resolution *res,
254     const char *label);
255 
256 /*! @brief Dump the frame info to the trace output
257  * Dumps the frame info to the trace output.
258  * @param[in]	info	pointer to struct ia_css_frame_info
259  * @param[in]	label	description of frame_info output
260  * @return	None
261  */
262 void ia_css_debug_dump_frame_info(
263     const struct ia_css_frame_info *info,
264     const char *label);
265 
266 /*! @brief Dump the capture config info to the trace output
267  * Dumps the capture config info to the trace output.
268  * @param[in]	config	pointer to struct ia_css_capture_config
269  * @return	None
270  */
271 void ia_css_debug_dump_capture_config(
272     const struct ia_css_capture_config *config);
273 
274 /*! @brief Dump the pipe extra config info to the trace output
275  * Dumps the pipe extra config info to the trace output.
276  * @param[in]	extra_config	pointer to struct ia_css_pipe_extra_config
277  * @return	None
278  */
279 void ia_css_debug_dump_pipe_extra_config(
280     const struct ia_css_pipe_extra_config *extra_config);
281 
282 /*! @brief Dump the pipe config info to the trace output
283  * Dumps the pipe config info to the trace output.
284  * @param[in]	config	pointer to struct ia_css_pipe_config
285  * @return	None
286  */
287 void ia_css_debug_dump_pipe_config(
288     const struct ia_css_pipe_config *config);
289 
290 /*! @brief Dump the stream config source info to the trace output
291  * Dumps the stream config source info to the trace output.
292  * @param[in]	config	pointer to struct ia_css_stream_config
293  * @return	None
294  */
295 void ia_css_debug_dump_stream_config_source(
296     const struct ia_css_stream_config *config);
297 
298 /*! @brief Dump the mipi buffer config info to the trace output
299  * Dumps the mipi buffer config info to the trace output.
300  * @param[in]	config	pointer to struct ia_css_mipi_buffer_config
301  * @return	None
302  */
303 void ia_css_debug_dump_mipi_buffer_config(
304     const struct ia_css_mipi_buffer_config *config);
305 
306 /*! @brief Dump the metadata config info to the trace output
307  * Dumps the metadata config info to the trace output.
308  * @param[in]	config	pointer to struct ia_css_metadata_config
309  * @return	None
310  */
311 void ia_css_debug_dump_metadata_config(
312     const struct ia_css_metadata_config *config);
313 
314 /*! @brief Dump the stream config info to the trace output
315  * Dumps the stream config info to the trace output.
316  * @param[in]	config		pointer to struct ia_css_stream_config
317  * @param[in]	num_pipes	number of pipes for the stream
318  * @return	None
319  */
320 void ia_css_debug_dump_stream_config(
321     const struct ia_css_stream_config *config,
322     int num_pipes);
323 
324 /**
325  * @brief Initialize the debug mode.
326  *
327  * WARNING:
328  * This API should be called ONLY once in the debug mode.
329  *
330  * @return
331  *	- true, if it is successful.
332  *	- false, otherwise.
333  */
334 bool ia_css_debug_mode_init(void);
335 
336 /**
337  * @brief Disable the DMA channel.
338  *
339  * @param[in]	dma_ID		The ID of the target DMA.
340  * @param[in]	channel_id	The ID of the target DMA channel.
341  * @param[in]	request_type	The type of the DMA request.
342  *				For example:
343  *				- "0" indicates the writing request.
344  *				- "1" indicates the reading request.
345  *
346  * This is part of the DMA API -> dma.h
347  *
348  * @return
349  *	- true, if it is successful.
350  *	- false, otherwise.
351  */
352 bool ia_css_debug_mode_disable_dma_channel(
353     int dma_ID,
354     int channel_id,
355     int request_type);
356 /**
357  * @brief Enable the DMA channel.
358  *
359  * @param[in]	dma_ID		The ID of the target DMA.
360  * @param[in]	channel_id	The ID of the target DMA channel.
361  * @param[in]	request_type	The type of the DMA request.
362  *				For example:
363  *				- "0" indicates the writing request.
364  *				- "1" indicates the reading request.
365  *
366  * @return
367  *	- true, if it is successful.
368  *	- false, otherwise.
369  */
370 bool ia_css_debug_mode_enable_dma_channel(
371     int dma_ID,
372     int channel_id,
373     int request_type);
374 
375 /**
376  * @brief Dump tracer data.
377  * [Currently support is only for SKC]
378  *
379  * @return
380  *	- none.
381  */
382 void ia_css_debug_dump_trace(void);
383 
384 /* ISP2401 */
385 /**
386  * @brief Program counter dumping (in loop)
387  *
388  * @param[in]	id		The ID of the SP
389  * @param[in]	num_of_dumps	The number of dumps
390  *
391  * @return
392  *	- none
393  */
394 void ia_css_debug_pc_dump(sp_ID_t id, unsigned int num_of_dumps);
395 
396 /* ISP2500 */
397 /*! @brief Dump all states for ISP hang case.
398  * Dumps the ISP previous and current configurations
399  * GACs status, SP0/1 statuses.
400  *
401  * @param[in]	pipe	The current pipe
402  *
403  * @return	None
404  */
405 void ia_css_debug_dump_hang_status(
406     struct ia_css_pipe *pipe);
407 
408 /*! @brief External command handler
409  * External command handler
410  *
411  * @return	None
412  */
413 void ia_css_debug_ext_command_handler(void);
414 
415 #endif /* _IA_CSS_DEBUG_H_ */
416