1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (C) STMicroelectronics SA 2014
4 * Authors: Fabien Dessenne <fabien.dessenne@st.com> for STMicroelectronics.
5 */
6
7#include <linux/debugfs.h>
8#include <linux/pm_runtime.h>
9
10#include "bdisp.h"
11#include "bdisp-filter.h"
12#include "bdisp-reg.h"
13
14void bdisp_dbg_perf_begin(struct bdisp_dev *bdisp)
15{
16	bdisp->dbg.hw_start = ktime_get();
17}
18
19void bdisp_dbg_perf_end(struct bdisp_dev *bdisp)
20{
21	s64 time_us;
22
23	time_us = ktime_us_delta(ktime_get(), bdisp->dbg.hw_start);
24
25	if (!bdisp->dbg.min_duration)
26		bdisp->dbg.min_duration = time_us;
27	else
28		bdisp->dbg.min_duration = min(time_us, bdisp->dbg.min_duration);
29
30	bdisp->dbg.last_duration = time_us;
31	bdisp->dbg.max_duration = max(time_us, bdisp->dbg.max_duration);
32	bdisp->dbg.tot_duration += time_us;
33}
34
35static void bdisp_dbg_dump_ins(struct seq_file *s, u32 val)
36{
37	seq_printf(s, "INS\t0x%08X\t", val);
38
39	switch (val & BLT_INS_S1_MASK) {
40	case BLT_INS_S1_OFF:
41		break;
42	case BLT_INS_S1_MEM:
43		seq_puts(s, "SRC1=mem - ");
44		break;
45	case BLT_INS_S1_CF:
46		seq_puts(s, "SRC1=ColorFill - ");
47		break;
48	case BLT_INS_S1_COPY:
49		seq_puts(s, "SRC1=copy - ");
50		break;
51	case BLT_INS_S1_FILL:
52		seq_puts(s, "SRC1=fil - ");
53		break;
54	default:
55		seq_puts(s, "SRC1=??? - ");
56		break;
57	}
58
59	switch (val & BLT_INS_S2_MASK) {
60	case BLT_INS_S2_OFF:
61		break;
62	case BLT_INS_S2_MEM:
63		seq_puts(s, "SRC2=mem - ");
64		break;
65	case BLT_INS_S2_CF:
66		seq_puts(s, "SRC2=ColorFill - ");
67		break;
68	default:
69		seq_puts(s, "SRC2=??? - ");
70		break;
71	}
72
73	if ((val & BLT_INS_S3_MASK) == BLT_INS_S3_MEM)
74		seq_puts(s, "SRC3=mem - ");
75
76	if (val & BLT_INS_IVMX)
77		seq_puts(s, "IVMX - ");
78	if (val & BLT_INS_CLUT)
79		seq_puts(s, "CLUT - ");
80	if (val & BLT_INS_SCALE)
81		seq_puts(s, "Scale - ");
82	if (val & BLT_INS_FLICK)
83		seq_puts(s, "Flicker - ");
84	if (val & BLT_INS_CLIP)
85		seq_puts(s, "Clip - ");
86	if (val & BLT_INS_CKEY)
87		seq_puts(s, "ColorKey - ");
88	if (val & BLT_INS_OVMX)
89		seq_puts(s, "OVMX - ");
90	if (val & BLT_INS_DEI)
91		seq_puts(s, "Deint - ");
92	if (val & BLT_INS_PMASK)
93		seq_puts(s, "PlaneMask - ");
94	if (val & BLT_INS_VC1R)
95		seq_puts(s, "VC1R - ");
96	if (val & BLT_INS_ROTATE)
97		seq_puts(s, "Rotate - ");
98	if (val & BLT_INS_GRAD)
99		seq_puts(s, "GradFill - ");
100	if (val & BLT_INS_AQLOCK)
101		seq_puts(s, "AQLock - ");
102	if (val & BLT_INS_PACE)
103		seq_puts(s, "Pace - ");
104	if (val & BLT_INS_IRQ)
105		seq_puts(s, "IRQ - ");
106
107	seq_putc(s, '\n');
108}
109
110static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val)
111{
112	seq_printf(s, "TTY\t0x%08X\t", val);
113	seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
114
115	switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
116	case BDISP_RGB565:
117		seq_puts(s, "RGB565 - ");
118		break;
119	case BDISP_RGB888:
120		seq_puts(s, "RGB888 - ");
121		break;
122	case BDISP_XRGB8888:
123		seq_puts(s, "xRGB888 - ");
124		break;
125	case BDISP_ARGB8888:
126		seq_puts(s, "ARGB8888 - ");
127		break;
128	case BDISP_NV12:
129		seq_puts(s, "NV12 - ");
130		break;
131	case BDISP_YUV_3B:
132		seq_puts(s, "YUV420P - ");
133		break;
134	default:
135		seq_puts(s, "ColorFormat ??? - ");
136		break;
137	}
138
139	if (val & BLT_TTY_ALPHA_R)
140		seq_puts(s, "AlphaRange - ");
141	if (val & BLT_TTY_CR_NOT_CB)
142		seq_puts(s, "CrNotCb - ");
143	if (val & BLT_TTY_MB)
144		seq_puts(s, "MB - ");
145	if (val & BLT_TTY_HSO)
146		seq_puts(s, "HSO inverse - ");
147	if (val & BLT_TTY_VSO)
148		seq_puts(s, "VSO inverse - ");
149	if (val & BLT_TTY_DITHER)
150		seq_puts(s, "Dither - ");
151	if (val & BLT_TTY_CHROMA)
152		seq_puts(s, "Write CHROMA - ");
153	if (val & BLT_TTY_BIG_END)
154		seq_puts(s, "BigEndian - ");
155
156	seq_putc(s, '\n');
157}
158
159static void bdisp_dbg_dump_xy(struct seq_file *s, u32 val, char *name)
160{
161	seq_printf(s, "%s\t0x%08X\t", name, val);
162	seq_printf(s, "(%d,%d)\n", val & 0xFFFF, (val >> 16));
163}
164
165static void bdisp_dbg_dump_sz(struct seq_file *s, u32 val, char *name)
166{
167	seq_printf(s, "%s\t0x%08X\t", name, val);
168	seq_printf(s, "%dx%d\n", val & 0x1FFF, (val >> 16) & 0x1FFF);
169}
170
171static void bdisp_dbg_dump_sty(struct seq_file *s,
172			       u32 val, u32 addr, char *name)
173{
174	bool s1, s2, s3;
175
176	seq_printf(s, "%s\t0x%08X\t", name, val);
177
178	if (!addr || !name || (strlen(name) < 2))
179		goto done;
180
181	s1 = name[strlen(name) - 1] == '1';
182	s2 = name[strlen(name) - 1] == '2';
183	s3 = name[strlen(name) - 1] == '3';
184
185	seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
186
187	switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
188	case BDISP_RGB565:
189		seq_puts(s, "RGB565 - ");
190		break;
191	case BDISP_RGB888:
192		seq_puts(s, "RGB888 - ");
193		break;
194	case BDISP_XRGB8888:
195		seq_puts(s, "xRGB888 - ");
196		break;
197	case BDISP_ARGB8888:
198		seq_puts(s, "ARGB888 - ");
199		break;
200	case BDISP_NV12:
201		seq_puts(s, "NV12 - ");
202		break;
203	case BDISP_YUV_3B:
204		seq_puts(s, "YUV420P - ");
205		break;
206	default:
207		seq_puts(s, "ColorFormat ??? - ");
208		break;
209	}
210
211	if ((val & BLT_TTY_ALPHA_R) && !s3)
212		seq_puts(s, "AlphaRange - ");
213	if ((val & BLT_S1TY_A1_SUBSET) && !s3)
214		seq_puts(s, "A1SubSet - ");
215	if ((val & BLT_TTY_MB) && !s1)
216		seq_puts(s, "MB - ");
217	if (val & BLT_TTY_HSO)
218		seq_puts(s, "HSO inverse - ");
219	if (val & BLT_TTY_VSO)
220		seq_puts(s, "VSO inverse - ");
221	if ((val & BLT_S1TY_CHROMA_EXT) && (s1 || s2))
222		seq_puts(s, "ChromaExt - ");
223	if ((val & BLT_S3TY_BLANK_ACC) && s3)
224		seq_puts(s, "Blank Acc - ");
225	if ((val & BTL_S1TY_SUBBYTE) && !s3)
226		seq_puts(s, "SubByte - ");
227	if ((val & BLT_S1TY_RGB_EXP) && !s3)
228		seq_puts(s, "RGBExpand - ");
229	if ((val & BLT_TTY_BIG_END) && !s3)
230		seq_puts(s, "BigEndian - ");
231
232done:
233	seq_putc(s, '\n');
234}
235
236static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val)
237{
238	seq_printf(s, "FCTL\t0x%08X\t", val);
239
240	if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SCALE)
241		seq_puts(s, "Resize Luma - ");
242	else if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SAMPLE)
243		seq_puts(s, "Sample Luma - ");
244
245	if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SCALE)
246		seq_puts(s, "Resize Chroma");
247	else if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SAMPLE)
248		seq_puts(s, "Sample Chroma");
249
250	seq_putc(s, '\n');
251}
252
253static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name)
254{
255	u32 inc;
256
257	seq_printf(s, "%s\t0x%08X\t", name, val);
258
259	if (!val)
260		goto done;
261
262	inc = val & 0xFFFF;
263	seq_printf(s, "H: %d(6.10) / scale~%dx0.1 - ", inc, 1024 * 10 / inc);
264
265	inc = val >> 16;
266	seq_printf(s, "V: %d(6.10) / scale~%dx0.1", inc, 1024 * 10 / inc);
267
268done:
269	seq_putc(s, '\n');
270}
271
272static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name)
273{
274	seq_printf(s, "%s\t0x%08X\t", name, val);
275
276	if (!val)
277		goto done;
278
279	seq_printf(s, "H: init=%d repeat=%d - ", val & 0x3FF, (val >> 12) & 7);
280	val >>= 16;
281	seq_printf(s, "V: init=%d repeat=%d", val & 0x3FF, (val >> 12) & 7);
282
283done:
284	seq_putc(s, '\n');
285}
286
287static void bdisp_dbg_dump_ivmx(struct seq_file *s,
288				u32 c0, u32 c1, u32 c2, u32 c3)
289{
290	seq_printf(s, "IVMX0\t0x%08X\n", c0);
291	seq_printf(s, "IVMX1\t0x%08X\n", c1);
292	seq_printf(s, "IVMX2\t0x%08X\n", c2);
293	seq_printf(s, "IVMX3\t0x%08X\t", c3);
294
295	if (!c0 && !c1 && !c2 && !c3) {
296		seq_putc(s, '\n');
297		return;
298	}
299
300	if ((c0 == bdisp_rgb_to_yuv[0]) &&
301	    (c1 == bdisp_rgb_to_yuv[1]) &&
302	    (c2 == bdisp_rgb_to_yuv[2]) &&
303	    (c3 == bdisp_rgb_to_yuv[3])) {
304		seq_puts(s, "RGB to YUV\n");
305		return;
306	}
307
308	if ((c0 == bdisp_yuv_to_rgb[0]) &&
309	    (c1 == bdisp_yuv_to_rgb[1]) &&
310	    (c2 == bdisp_yuv_to_rgb[2]) &&
311	    (c3 == bdisp_yuv_to_rgb[3])) {
312		seq_puts(s, "YUV to RGB\n");
313		return;
314	}
315	seq_puts(s, "Unknown conversion\n");
316}
317
318static int last_nodes_show(struct seq_file *s, void *data)
319{
320	/* Not dumping all fields, focusing on significant ones */
321	struct bdisp_dev *bdisp = s->private;
322	struct bdisp_node *node;
323	int i = 0;
324
325	if (!bdisp->dbg.copy_node[0]) {
326		seq_puts(s, "No node built yet\n");
327		return 0;
328	}
329
330	do {
331		node = bdisp->dbg.copy_node[i];
332		if (!node)
333			break;
334		seq_printf(s, "--------\nNode %d:\n", i);
335		seq_puts(s, "-- General --\n");
336		seq_printf(s, "NIP\t0x%08X\n", node->nip);
337		seq_printf(s, "CIC\t0x%08X\n", node->cic);
338		bdisp_dbg_dump_ins(s, node->ins);
339		seq_printf(s, "ACK\t0x%08X\n", node->ack);
340		seq_puts(s, "-- Target --\n");
341		seq_printf(s, "TBA\t0x%08X\n", node->tba);
342		bdisp_dbg_dump_tty(s, node->tty);
343		bdisp_dbg_dump_xy(s, node->txy, "TXY");
344		bdisp_dbg_dump_sz(s, node->tsz, "TSZ");
345		/* Color Fill not dumped */
346		seq_puts(s, "-- Source 1 --\n");
347		seq_printf(s, "S1BA\t0x%08X\n", node->s1ba);
348		bdisp_dbg_dump_sty(s, node->s1ty, node->s1ba, "S1TY");
349		bdisp_dbg_dump_xy(s, node->s1xy, "S1XY");
350		seq_puts(s, "-- Source 2 --\n");
351		seq_printf(s, "S2BA\t0x%08X\n", node->s2ba);
352		bdisp_dbg_dump_sty(s, node->s2ty, node->s2ba, "S2TY");
353		bdisp_dbg_dump_xy(s, node->s2xy, "S2XY");
354		bdisp_dbg_dump_sz(s, node->s2sz, "S2SZ");
355		seq_puts(s, "-- Source 3 --\n");
356		seq_printf(s, "S3BA\t0x%08X\n", node->s3ba);
357		bdisp_dbg_dump_sty(s, node->s3ty, node->s3ba, "S3TY");
358		bdisp_dbg_dump_xy(s, node->s3xy, "S3XY");
359		bdisp_dbg_dump_sz(s, node->s3sz, "S3SZ");
360		/* Clipping not dumped */
361		/* CLUT not dumped */
362		seq_puts(s, "-- Filter & Mask --\n");
363		bdisp_dbg_dump_fctl(s, node->fctl);
364		/* PMK not dumped */
365		seq_puts(s, "-- Chroma Filter --\n");
366		bdisp_dbg_dump_rsf(s, node->rsf, "RSF");
367		bdisp_dbg_dump_rzi(s, node->rzi, "RZI");
368		seq_printf(s, "HFP\t0x%08X\n", node->hfp);
369		seq_printf(s, "VFP\t0x%08X\n", node->vfp);
370		seq_puts(s, "-- Luma Filter --\n");
371		bdisp_dbg_dump_rsf(s, node->y_rsf, "Y_RSF");
372		bdisp_dbg_dump_rzi(s, node->y_rzi, "Y_RZI");
373		seq_printf(s, "Y_HFP\t0x%08X\n", node->y_hfp);
374		seq_printf(s, "Y_VFP\t0x%08X\n", node->y_vfp);
375		/* Flicker not dumped */
376		/* Color key not dumped */
377		/* Reserved not dumped */
378		/* Static Address & User not dumped */
379		seq_puts(s, "-- Input Versatile Matrix --\n");
380		bdisp_dbg_dump_ivmx(s, node->ivmx0, node->ivmx1,
381				    node->ivmx2, node->ivmx3);
382		/* Output Versatile Matrix not dumped */
383		/* Pace not dumped */
384		/* VC1R & DEI not dumped */
385		/* Gradient Fill not dumped */
386	} while ((++i < MAX_NB_NODE) && node->nip);
387
388	return 0;
389}
390
391static int last_nodes_raw_show(struct seq_file *s, void *data)
392{
393	struct bdisp_dev *bdisp = s->private;
394	struct bdisp_node *node;
395	u32 *val;
396	int j, i = 0;
397
398	if (!bdisp->dbg.copy_node[0]) {
399		seq_puts(s, "No node built yet\n");
400		return 0;
401	}
402
403	do {
404		node = bdisp->dbg.copy_node[i];
405		if (!node)
406			break;
407
408		seq_printf(s, "--------\nNode %d:\n", i);
409		val = (u32 *)node;
410		for (j = 0; j < sizeof(struct bdisp_node) / sizeof(u32); j++)
411			seq_printf(s, "0x%08X\n", *val++);
412	} while ((++i < MAX_NB_NODE) && node->nip);
413
414	return 0;
415}
416
417static const char *bdisp_fmt_to_str(struct bdisp_frame frame)
418{
419	switch (frame.fmt->pixelformat) {
420	case V4L2_PIX_FMT_YUV420:
421		return "YUV420P";
422	case V4L2_PIX_FMT_NV12:
423		if (frame.field == V4L2_FIELD_INTERLACED)
424			return "NV12 interlaced";
425		else
426			return "NV12";
427	case V4L2_PIX_FMT_RGB565:
428		return "RGB16";
429	case V4L2_PIX_FMT_RGB24:
430		return "RGB24";
431	case V4L2_PIX_FMT_XBGR32:
432		return "XRGB";
433	case V4L2_PIX_FMT_ABGR32:
434		return "ARGB";
435	default:
436		return "????";
437	}
438}
439
440static int last_request_show(struct seq_file *s, void *data)
441{
442	struct bdisp_dev *bdisp = s->private;
443	struct bdisp_request *request = &bdisp->dbg.copy_request;
444	struct bdisp_frame src, dst;
445
446	if (!request->nb_req) {
447		seq_puts(s, "No request\n");
448		return 0;
449	}
450
451	src = request->src;
452	dst = request->dst;
453
454	seq_printf(s, "\nRequest #%d\n", request->nb_req);
455
456	seq_printf(s, "Format:    %s\t\t\t%s\n",
457		   bdisp_fmt_to_str(src), bdisp_fmt_to_str(dst));
458	seq_printf(s, "Crop area: %dx%d @ %d,%d  ==>\t%dx%d @ %d,%d\n",
459		   src.crop.width, src.crop.height,
460		   src.crop.left, src.crop.top,
461		   dst.crop.width, dst.crop.height,
462		   dst.crop.left, dst.crop.top);
463	seq_printf(s, "Buff size: %dx%d\t\t%dx%d\n\n",
464		   src.width, src.height, dst.width, dst.height);
465
466	if (request->hflip)
467		seq_puts(s, "Horizontal flip\n\n");
468
469	if (request->vflip)
470		seq_puts(s, "Vertical flip\n\n");
471
472	return 0;
473}
474
475#define DUMP(reg) seq_printf(s, #reg " \t0x%08X\n", readl(bdisp->regs + reg))
476
477static int regs_show(struct seq_file *s, void *data)
478{
479	struct bdisp_dev *bdisp = s->private;
480	int ret;
481	unsigned int i;
482
483	ret = pm_runtime_resume_and_get(bdisp->dev);
484	if (ret < 0) {
485		seq_puts(s, "Cannot wake up IP\n");
486		return 0;
487	}
488
489	seq_printf(s, "Reg @ = 0x%p\n", bdisp->regs);
490
491	seq_puts(s, "\nStatic:\n");
492	DUMP(BLT_CTL);
493	DUMP(BLT_ITS);
494	DUMP(BLT_STA1);
495	DUMP(BLT_AQ1_CTL);
496	DUMP(BLT_AQ1_IP);
497	DUMP(BLT_AQ1_LNA);
498	DUMP(BLT_AQ1_STA);
499	DUMP(BLT_ITM0);
500
501	seq_puts(s, "\nPlugs:\n");
502	DUMP(BLT_PLUGS1_OP2);
503	DUMP(BLT_PLUGS1_CHZ);
504	DUMP(BLT_PLUGS1_MSZ);
505	DUMP(BLT_PLUGS1_PGZ);
506	DUMP(BLT_PLUGS2_OP2);
507	DUMP(BLT_PLUGS2_CHZ);
508	DUMP(BLT_PLUGS2_MSZ);
509	DUMP(BLT_PLUGS2_PGZ);
510	DUMP(BLT_PLUGS3_OP2);
511	DUMP(BLT_PLUGS3_CHZ);
512	DUMP(BLT_PLUGS3_MSZ);
513	DUMP(BLT_PLUGS3_PGZ);
514	DUMP(BLT_PLUGT_OP2);
515	DUMP(BLT_PLUGT_CHZ);
516	DUMP(BLT_PLUGT_MSZ);
517	DUMP(BLT_PLUGT_PGZ);
518
519	seq_puts(s, "\nNode:\n");
520	DUMP(BLT_NIP);
521	DUMP(BLT_CIC);
522	DUMP(BLT_INS);
523	DUMP(BLT_ACK);
524	DUMP(BLT_TBA);
525	DUMP(BLT_TTY);
526	DUMP(BLT_TXY);
527	DUMP(BLT_TSZ);
528	DUMP(BLT_S1BA);
529	DUMP(BLT_S1TY);
530	DUMP(BLT_S1XY);
531	DUMP(BLT_S2BA);
532	DUMP(BLT_S2TY);
533	DUMP(BLT_S2XY);
534	DUMP(BLT_S2SZ);
535	DUMP(BLT_S3BA);
536	DUMP(BLT_S3TY);
537	DUMP(BLT_S3XY);
538	DUMP(BLT_S3SZ);
539	DUMP(BLT_FCTL);
540	DUMP(BLT_RSF);
541	DUMP(BLT_RZI);
542	DUMP(BLT_HFP);
543	DUMP(BLT_VFP);
544	DUMP(BLT_Y_RSF);
545	DUMP(BLT_Y_RZI);
546	DUMP(BLT_Y_HFP);
547	DUMP(BLT_Y_VFP);
548	DUMP(BLT_IVMX0);
549	DUMP(BLT_IVMX1);
550	DUMP(BLT_IVMX2);
551	DUMP(BLT_IVMX3);
552	DUMP(BLT_OVMX0);
553	DUMP(BLT_OVMX1);
554	DUMP(BLT_OVMX2);
555	DUMP(BLT_OVMX3);
556	DUMP(BLT_DEI);
557
558	seq_puts(s, "\nFilter:\n");
559	for (i = 0; i < BLT_NB_H_COEF; i++) {
560		seq_printf(s, "BLT_HFC%d \t0x%08X\n", i,
561			   readl(bdisp->regs + BLT_HFC_N + i * 4));
562	}
563	for (i = 0; i < BLT_NB_V_COEF; i++) {
564		seq_printf(s, "BLT_VFC%d \t0x%08X\n", i,
565			   readl(bdisp->regs + BLT_VFC_N + i * 4));
566	}
567
568	seq_puts(s, "\nLuma filter:\n");
569	for (i = 0; i < BLT_NB_H_COEF; i++) {
570		seq_printf(s, "BLT_Y_HFC%d \t0x%08X\n", i,
571			   readl(bdisp->regs + BLT_Y_HFC_N + i * 4));
572	}
573	for (i = 0; i < BLT_NB_V_COEF; i++) {
574		seq_printf(s, "BLT_Y_VFC%d \t0x%08X\n", i,
575			   readl(bdisp->regs + BLT_Y_VFC_N + i * 4));
576	}
577
578	pm_runtime_put(bdisp->dev);
579
580	return 0;
581}
582
583#define SECOND 1000000
584
585static int perf_show(struct seq_file *s, void *data)
586{
587	struct bdisp_dev *bdisp = s->private;
588	struct bdisp_request *request = &bdisp->dbg.copy_request;
589	s64 avg_time_us;
590	int avg_fps, min_fps, max_fps, last_fps;
591
592	if (!request->nb_req) {
593		seq_puts(s, "No request\n");
594		return 0;
595	}
596
597	avg_time_us = div64_s64(bdisp->dbg.tot_duration, request->nb_req);
598	if (avg_time_us > SECOND)
599		avg_fps = 0;
600	else
601		avg_fps = SECOND / (s32)avg_time_us;
602
603	if (bdisp->dbg.min_duration > SECOND)
604		min_fps = 0;
605	else
606		min_fps = SECOND / (s32)bdisp->dbg.min_duration;
607
608	if (bdisp->dbg.max_duration > SECOND)
609		max_fps = 0;
610	else
611		max_fps = SECOND / (s32)bdisp->dbg.max_duration;
612
613	if (bdisp->dbg.last_duration > SECOND)
614		last_fps = 0;
615	else
616		last_fps = SECOND / (s32)bdisp->dbg.last_duration;
617
618	seq_printf(s, "HW processing (%d requests):\n", request->nb_req);
619	seq_printf(s, " Average: %5lld us  (%3d fps)\n",
620		   avg_time_us, avg_fps);
621	seq_printf(s, " Min-Max: %5lld us  (%3d fps) - %5lld us  (%3d fps)\n",
622		   bdisp->dbg.min_duration, min_fps,
623		   bdisp->dbg.max_duration, max_fps);
624	seq_printf(s, " Last:    %5lld us  (%3d fps)\n",
625		   bdisp->dbg.last_duration, last_fps);
626
627	return 0;
628}
629
630#define bdisp_dbg_create_entry(name) \
631	debugfs_create_file(#name, S_IRUGO, bdisp->dbg.debugfs_entry, bdisp, \
632			    &name##_fops)
633
634DEFINE_SHOW_ATTRIBUTE(regs);
635DEFINE_SHOW_ATTRIBUTE(last_nodes);
636DEFINE_SHOW_ATTRIBUTE(last_nodes_raw);
637DEFINE_SHOW_ATTRIBUTE(last_request);
638DEFINE_SHOW_ATTRIBUTE(perf);
639
640void bdisp_debugfs_create(struct bdisp_dev *bdisp)
641{
642	char dirname[16];
643
644	snprintf(dirname, sizeof(dirname), "%s%d", BDISP_NAME, bdisp->id);
645	bdisp->dbg.debugfs_entry = debugfs_create_dir(dirname, NULL);
646
647	bdisp_dbg_create_entry(regs);
648	bdisp_dbg_create_entry(last_nodes);
649	bdisp_dbg_create_entry(last_nodes_raw);
650	bdisp_dbg_create_entry(last_request);
651	bdisp_dbg_create_entry(perf);
652}
653
654void bdisp_debugfs_remove(struct bdisp_dev *bdisp)
655{
656	debugfs_remove_recursive(bdisp->dbg.debugfs_entry);
657	bdisp->dbg.debugfs_entry = NULL;
658}
659