// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) STMicroelectronics SA 2014
* Authors: Fabien Dessenne <[email protected]> for STMicroelectronics.
*/
#include <linux/debugfs.h>
#include <linux/pm_runtime.h>
#include "bdisp.h"
#include "bdisp-filter.h"
#include "bdisp-reg.h"
void bdisp_dbg_perf_begin(struct bdisp_dev *bdisp)
{
bdisp->dbg.hw_start = ktime_get();
}
void bdisp_dbg_perf_end(struct bdisp_dev *bdisp)
{
s64 time_us;
time_us = ktime_us_delta(ktime_get(), bdisp->dbg.hw_start);
if (!bdisp->dbg.min_duration)
bdisp->dbg.min_duration = time_us;
else
bdisp->dbg.min_duration = min(time_us, bdisp->dbg.min_duration);
bdisp->dbg.last_duration = time_us;
bdisp->dbg.max_duration = max(time_us, bdisp->dbg.max_duration);
bdisp->dbg.tot_duration += time_us;
}
static void bdisp_dbg_dump_ins(struct seq_file *s, u32 val)
{
seq_printf(s, "INS\t0x%08X\t", val);
switch (val & BLT_INS_S1_MASK) {
case BLT_INS_S1_OFF:
break;
case BLT_INS_S1_MEM:
seq_puts(s, "SRC1=mem - ");
break;
case BLT_INS_S1_CF:
seq_puts(s, "SRC1=ColorFill - ");
break;
case BLT_INS_S1_COPY:
seq_puts(s, "SRC1=copy - ");
break;
case BLT_INS_S1_FILL:
seq_puts(s, "SRC1=fil - ");
break;
default:
seq_puts(s, "SRC1=??? - ");
break;
}
switch (val & BLT_INS_S2_MASK) {
case BLT_INS_S2_OFF:
break;
case BLT_INS_S2_MEM:
seq_puts(s, "SRC2=mem - ");
break;
case BLT_INS_S2_CF:
seq_puts(s, "SRC2=ColorFill - ");
break;
default:
seq_puts(s, "SRC2=??? - ");
break;
}
if ((val & BLT_INS_S3_MASK) == BLT_INS_S3_MEM)
seq_puts(s, "SRC3=mem - ");
if (val & BLT_INS_IVMX)
seq_puts(s, "IVMX - ");
if (val & BLT_INS_CLUT)
seq_puts(s, "CLUT - ");
if (val & BLT_INS_SCALE)
seq_puts(s, "Scale - ");
if (val & BLT_INS_FLICK)
seq_puts(s, "Flicker - ");
if (val & BLT_INS_CLIP)
seq_puts(s, "Clip - ");
if (val & BLT_INS_CKEY)
seq_puts(s, "ColorKey - ");
if (val & BLT_INS_OVMX)
seq_puts(s, "OVMX - ");
if (val & BLT_INS_DEI)
seq_puts(s, "Deint - ");
if (val & BLT_INS_PMASK)
seq_puts(s, "PlaneMask - ");
if (val & BLT_INS_VC1R)
seq_puts(s, "VC1R - ");
if (val & BLT_INS_ROTATE)
seq_puts(s, "Rotate - ");
if (val & BLT_INS_GRAD)
seq_puts(s, "GradFill - ");
if (val & BLT_INS_AQLOCK)
seq_puts(s, "AQLock - ");
if (val & BLT_INS_PACE)
seq_puts(s, "Pace - ");
if (val & BLT_INS_IRQ)
seq_puts(s, "IRQ - ");
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_tty(struct seq_file *s, u32 val)
{
seq_printf(s, "TTY\t0x%08X\t", val);
seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
case BDISP_RGB565:
seq_puts(s, "RGB565 - ");
break;
case BDISP_RGB888:
seq_puts(s, "RGB888 - ");
break;
case BDISP_XRGB8888:
seq_puts(s, "xRGB888 - ");
break;
case BDISP_ARGB8888:
seq_puts(s, "ARGB8888 - ");
break;
case BDISP_NV12:
seq_puts(s, "NV12 - ");
break;
case BDISP_YUV_3B:
seq_puts(s, "YUV420P - ");
break;
default:
seq_puts(s, "ColorFormat ??? - ");
break;
}
if (val & BLT_TTY_ALPHA_R)
seq_puts(s, "AlphaRange - ");
if (val & BLT_TTY_CR_NOT_CB)
seq_puts(s, "CrNotCb - ");
if (val & BLT_TTY_MB)
seq_puts(s, "MB - ");
if (val & BLT_TTY_HSO)
seq_puts(s, "HSO inverse - ");
if (val & BLT_TTY_VSO)
seq_puts(s, "VSO inverse - ");
if (val & BLT_TTY_DITHER)
seq_puts(s, "Dither - ");
if (val & BLT_TTY_CHROMA)
seq_puts(s, "Write CHROMA - ");
if (val & BLT_TTY_BIG_END)
seq_puts(s, "BigEndian - ");
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_xy(struct seq_file *s, u32 val, char *name)
{
seq_printf(s, "%s\t0x%08X\t", name, val);
seq_printf(s, "(%d,%d)\n", val & 0xFFFF, (val >> 16));
}
static void bdisp_dbg_dump_sz(struct seq_file *s, u32 val, char *name)
{
seq_printf(s, "%s\t0x%08X\t", name, val);
seq_printf(s, "%dx%d\n", val & 0x1FFF, (val >> 16) & 0x1FFF);
}
static void bdisp_dbg_dump_sty(struct seq_file *s,
u32 val, u32 addr, char *name)
{
bool s1, s2, s3;
seq_printf(s, "%s\t0x%08X\t", name, val);
if (!addr || !name || (strlen(name) < 2))
goto done;
s1 = name[strlen(name) - 1] == '1';
s2 = name[strlen(name) - 1] == '2';
s3 = name[strlen(name) - 1] == '3';
seq_printf(s, "Pitch=%d - ", val & 0xFFFF);
switch ((val & BLT_TTY_COL_MASK) >> BLT_TTY_COL_SHIFT) {
case BDISP_RGB565:
seq_puts(s, "RGB565 - ");
break;
case BDISP_RGB888:
seq_puts(s, "RGB888 - ");
break;
case BDISP_XRGB8888:
seq_puts(s, "xRGB888 - ");
break;
case BDISP_ARGB8888:
seq_puts(s, "ARGB888 - ");
break;
case BDISP_NV12:
seq_puts(s, "NV12 - ");
break;
case BDISP_YUV_3B:
seq_puts(s, "YUV420P - ");
break;
default:
seq_puts(s, "ColorFormat ??? - ");
break;
}
if ((val & BLT_TTY_ALPHA_R) && !s3)
seq_puts(s, "AlphaRange - ");
if ((val & BLT_S1TY_A1_SUBSET) && !s3)
seq_puts(s, "A1SubSet - ");
if ((val & BLT_TTY_MB) && !s1)
seq_puts(s, "MB - ");
if (val & BLT_TTY_HSO)
seq_puts(s, "HSO inverse - ");
if (val & BLT_TTY_VSO)
seq_puts(s, "VSO inverse - ");
if ((val & BLT_S1TY_CHROMA_EXT) && (s1 || s2))
seq_puts(s, "ChromaExt - ");
if ((val & BLT_S3TY_BLANK_ACC) && s3)
seq_puts(s, "Blank Acc - ");
if ((val & BTL_S1TY_SUBBYTE) && !s3)
seq_puts(s, "SubByte - ");
if ((val & BLT_S1TY_RGB_EXP) && !s3)
seq_puts(s, "RGBExpand - ");
if ((val & BLT_TTY_BIG_END) && !s3)
seq_puts(s, "BigEndian - ");
done:
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_fctl(struct seq_file *s, u32 val)
{
seq_printf(s, "FCTL\t0x%08X\t", val);
if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SCALE)
seq_puts(s, "Resize Luma - ");
else if ((val & BLT_FCTL_Y_HV_SCALE) == BLT_FCTL_Y_HV_SAMPLE)
seq_puts(s, "Sample Luma - ");
if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SCALE)
seq_puts(s, "Resize Chroma");
else if ((val & BLT_FCTL_HV_SCALE) == BLT_FCTL_HV_SAMPLE)
seq_puts(s, "Sample Chroma");
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_rsf(struct seq_file *s, u32 val, char *name)
{
u32 inc;
seq_printf(s, "%s\t0x%08X\t", name, val);
if (!val)
goto done;
inc = val & 0xFFFF;
seq_printf(s, "H: %d(6.10) / scale~%dx0.1 - ", inc, 1024 * 10 / inc);
inc = val >> 16;
seq_printf(s, "V: %d(6.10) / scale~%dx0.1", inc, 1024 * 10 / inc);
done:
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_rzi(struct seq_file *s, u32 val, char *name)
{
seq_printf(s, "%s\t0x%08X\t", name, val);
if (!val)
goto done;
seq_printf(s, "H: init=%d repeat=%d - ", val & 0x3FF, (val >> 12) & 7);
val >>= 16;
seq_printf(s, "V: init=%d repeat=%d", val & 0x3FF, (val >> 12) & 7);
done:
seq_putc(s, '\n');
}
static void bdisp_dbg_dump_ivmx(struct seq_file *s,
u32 c0, u32 c1, u32 c2, u32 c3)
{
seq_printf(s, "IVMX0\t0x%08X\n", c0);
seq_printf(s, "IVMX1\t0x%08X\n", c1);
seq_printf(s, "IVMX2\t0x%08X\n", c2);
seq_printf(s, "IVMX3\t0x%08X\t", c3);
if (!c0 && !c1 && !c2 && !c3) {
seq_putc(s, '\n');
return;
}
if ((c0 == bdisp_rgb_to_yuv[0]) &&
(c1 == bdisp_rgb_to_yuv[1]) &&
(c2 == bdisp_rgb_to_yuv[2]) &&
(c3 == bdisp_rgb_to_yuv[3])) {
seq_puts(s, "RGB to YUV\n");
return;
}
if ((c0 == bdisp_yuv_to_rgb[0]) &&
(c1 == bdisp_yuv_to_rgb[1]) &&
(c2 == bdisp_yuv_to_rgb[2]) &&
(c3 == bdisp_yuv_to_rgb[3])) {
seq_puts(s, "YUV to RGB\n");
return;
}
seq_puts(s, "Unknown conversion\n");
}
static int last_nodes_show(struct seq_file *s, void *data)
{
/* Not dumping all fields, focusing on significant ones */
struct bdisp_dev *bdisp = s->private;
struct bdisp_node *node;
int i = 0;
if (!bdisp->dbg.copy_node[0]) {
seq_puts(s, "No node built yet\n");
return 0;
}
do {
node = bdisp->dbg.copy_node[i];
if (!node)
break;
seq_printf(s, "--------\nNode %d:\n", i);
seq_puts(s, "-- General --\n");
seq_printf(s, "NIP\t0x%08X\n", node->nip);
seq_printf(s, "CIC\t0x%08X\n", node->cic);
bdisp_dbg_dump_ins(s, node->ins);
seq_printf(s, "ACK\t0x%08X\n", node->ack);
seq_puts(s, "-- Target --\n");
seq_printf(s, "TBA\t0x%08X\n", node->tba);
bdisp_dbg_dump_tty(s, node->tty);
bdisp_dbg_dump_xy(s, node->txy, "TXY");
bdisp_dbg_dump_sz(s, node->tsz, "TSZ");
/* Color Fill not dumped */
seq_puts(s, "-- Source 1 --\n");
seq_printf(s, "S1BA\t0x%08X\n", node->s1ba);
bdisp_dbg_dump_sty(s, node->s1ty, node->s1ba, "S1TY");
bdisp_dbg_dump_xy(s, node->s1xy, "S1XY");
seq_puts(s, "-- Source 2 --\n");
seq_printf(s, "S2BA\t0x%08X\n", node->s2ba);
bdisp_dbg_dump_sty(s, node->s2ty, node->s2ba, "S2TY");
bdisp_dbg_dump_xy(s, node->s2xy, "S2XY");
bdisp_dbg_dump_sz(s, node->s2sz, "S2SZ");
seq_puts(s, "-- Source 3 --\n");
seq_printf(s, "S3BA\t0x%08X\n", node->s3ba);
bdisp_dbg_dump_sty(s, node->s3ty, node->s3ba, "S3TY");
bdisp_dbg_dump_xy(s, node->s3xy, "S3XY");
bdisp_dbg_dump_sz(s, node->s3sz, "S3SZ");
/* Clipping not dumped */
/* CLUT not dumped */
seq_puts(s, "-- Filter & Mask --\n");
bdisp_dbg_dump_fctl(s, node->fctl);
/* PMK not dumped */
seq_puts(s, "-- Chroma Filter --\n");
bdisp_dbg_dump_rsf(s, node->rsf, "RSF");
bdisp_dbg_dump_rzi(s, node->rzi, "RZI");
seq_printf(s, "HFP\t0x%08X\n", node->hfp);
seq_printf(s, "VFP\t0x%08X\n", node->vfp);
seq_puts(s, "-- Luma Filter --\n");
bdisp_dbg_dump_rsf(s, node->y_rsf, "Y_RSF");
bdisp_dbg_dump_rzi(s, node->y_rzi, "Y_RZI");
seq_printf(s, "Y_HFP\t0x%08X\n", node->y_hfp);
seq_printf(s, "Y_VFP\t0x%08X\n", node->y_vfp);
/* Flicker not dumped */
/* Color key not dumped */
/* Reserved not dumped */
/* Static Address & User not dumped */
seq_puts(s, "-- Input Versatile Matrix --\n");
bdisp_dbg_dump_ivmx(s, node->ivmx0, node->ivmx1,
node->ivmx2, node->ivmx3);
/* Output Versatile Matrix not dumped */
/* Pace not dumped */
/* VC1R & DEI not dumped */
/* Gradient Fill not dumped */
} while ((++i < MAX_NB_NODE) && node->nip);
return 0;
}
static int last_nodes_raw_show(struct seq_file *s, void *data)
{
struct bdisp_dev *bdisp = s->private;
struct bdisp_node *node;
u32 *val;
int j, i = 0;
if (!bdisp->dbg.copy_node[0]) {
seq_puts(s, "No node built yet\n");
return 0;
}
do {
node = bdisp->dbg.copy_node[i];
if (!node)
break;
seq_printf(s, "--------\nNode %d:\n", i);
val = (u32 *)node;
for (j = 0; j < sizeof(struct bdisp_node) / sizeof(u32); j++)
seq_printf(s, "0x%08X\n", *val++);
} while ((++i < MAX_NB_NODE) && node->nip);
return 0;
}
static const char *bdisp_fmt_to_str(struct bdisp_frame frame)
{
switch (frame.fmt->pixelformat) {
case V4L2_PIX_FMT_YUV420:
return "YUV420P";
case V4L2_PIX_FMT_NV12:
if (frame.field == V4L2_FIELD_INTERLACED)
return "NV12 interlaced";
else
return "NV12";
case V4L2_PIX_FMT_RGB565:
return "RGB16";
case V4L2_PIX_FMT_RGB24:
return "RGB24";
case V4L2_PIX_FMT_XBGR32:
return "XRGB";
case V4L2_PIX_FMT_ABGR32:
return "ARGB";
default:
return "????";
}
}
static int last_request_show(struct seq_file *s, void *data)
{
struct bdisp_dev *bdisp = s->private;
struct bdisp_request *request = &bdisp->dbg.copy_request;
struct bdisp_frame src, dst;
if (!request->nb_req) {
seq_puts(s, "No request\n");
return 0;
}
src = request->src;
dst = request->dst;
seq_printf(s, "\nRequest #%d\n", request->nb_req);
seq_printf(s, "Format: %s\t\t\t%s\n",
bdisp_fmt_to_str(src), bdisp_fmt_to_str(dst));
seq_printf(s, "Crop area: %dx%d @ %d,%d ==>\t%dx%d @ %d,%d\n",
src.crop.width, src.crop.height,
src.crop.left, src.crop.top,
dst.crop.width, dst.crop.height,
dst.crop.left, dst.crop.top);
seq_printf(s, "Buff size: %dx%d\t\t%dx%d\n\n",
src.width, src.height, dst.width, dst.height);
if (request->hflip)
seq_puts(s, "Horizontal flip\n\n");
if (request->vflip)
seq_puts(s, "Vertical flip\n\n");
return 0;
}
#define DUMP(reg) seq_printf(s, #reg " \t0x%08X\n", readl(bdisp->regs + reg))
static int regs_show(struct seq_file *s, void *data)
{
struct bdisp_dev *bdisp = s->private;
int ret;
unsigned int i;
ret = pm_runtime_resume_and_get(bdisp->dev);
if (ret < 0) {
seq_puts(s, "Cannot wake up IP\n");
return 0;
}
seq_printf(s, "Reg @ = 0x%p\n", bdisp->regs);
seq_puts(s, "\nStatic:\n");
DUMP(BLT_CTL);
DUMP(BLT_ITS);
DUMP(BLT_STA1);
DUMP(BLT_AQ1_CTL);
DUMP(BLT_AQ1_IP);
DUMP(BLT_AQ1_LNA);
DUMP(BLT_AQ1_STA);
DUMP(BLT_ITM0);
seq_puts(s, "\nPlugs:\n");
DUMP(BLT_PLUGS1_OP2);
DUMP(BLT_PLUGS1_CHZ);
DUMP(BLT_PLUGS1_MSZ);
DUMP(BLT_PLUGS1_PGZ);
DUMP(BLT_PLUGS2_OP2);
DUMP(BLT_PLUGS2_CHZ);
DUMP(BLT_PLUGS2_MSZ);
DUMP(BLT_PLUGS2_PGZ);
DUMP(BLT_PLUGS3_OP2);
DUMP(BLT_PLUGS3_CHZ);
DUMP(BLT_PLUGS3_MSZ);
DUMP(BLT_PLUGS3_PGZ);
DUMP(BLT_PLUGT_OP2);
DUMP(BLT_PLUGT_CHZ);
DUMP(BLT_PLUGT_MSZ);
DUMP(BLT_PLUGT_PGZ);
seq_puts(s, "\nNode:\n");
DUMP(BLT_NIP);
DUMP(BLT_CIC);
DUMP(BLT_INS);
DUMP(BLT_ACK);
DUMP(BLT_TBA);
DUMP(BLT_TTY);
DUMP(BLT_TXY);
DUMP(BLT_TSZ);
DUMP(BLT_S1BA);
DUMP(BLT_S1TY);
DUMP(BLT_S1XY);
DUMP(BLT_S2BA);
DUMP(BLT_S2TY);
DUMP(BLT_S2XY);
DUMP(BLT_S2SZ);
DUMP(BLT_S3BA);
DUMP(BLT_S3TY);
DUMP(BLT_S3XY);
DUMP(BLT_S3SZ);
DUMP(BLT_FCTL);
DUMP(BLT_RSF);
DUMP(BLT_RZI);
DUMP(BLT_HFP);
DUMP(BLT_VFP);
DUMP(BLT_Y_RSF);
DUMP(BLT_Y_RZI);
DUMP(BLT_Y_HFP);
DUMP(BLT_Y_VFP);
DUMP(BLT_IVMX0);
DUMP(BLT_IVMX1);
DUMP(BLT_IVMX2);
DUMP(BLT_IVMX3);
DUMP(BLT_OVMX0);
DUMP(BLT_OVMX1);
DUMP(BLT_OVMX2);
DUMP(BLT_OVMX3);
DUMP(BLT_DEI);
seq_puts(s, "\nFilter:\n");
for (i = 0; i < BLT_NB_H_COEF; i++) {
seq_printf(s, "BLT_HFC%d \t0x%08X\n", i,
readl(bdisp->regs + BLT_HFC_N + i * 4));
}
for (i = 0; i < BLT_NB_V_COEF; i++) {
seq_printf(s, "BLT_VFC%d \t0x%08X\n", i,
readl(bdisp->regs + BLT_VFC_N + i * 4));
}
seq_puts(s, "\nLuma filter:\n");
for (i = 0; i < BLT_NB_H_COEF; i++) {
seq_printf(s, "BLT_Y_HFC%d \t0x%08X\n", i,
readl(bdisp->regs + BLT_Y_HFC_N + i * 4));
}
for (i = 0; i < BLT_NB_V_COEF; i++) {
seq_printf(s, "BLT_Y_VFC%d \t0x%08X\n", i,
readl(bdisp->regs + BLT_Y_VFC_N + i * 4));
}
pm_runtime_put(bdisp->dev);
return 0;
}
#define SECOND 1000000
static int perf_show(struct seq_file *s, void *data)
{
struct bdisp_dev *bdisp = s->private;
struct bdisp_request *request = &bdisp->dbg.copy_request;
s64 avg_time_us;
int avg_fps, min_fps, max_fps, last_fps;
if (!request->nb_req) {
seq_puts(s, "No request\n");
return 0;
}
avg_time_us = div64_s64(bdisp->dbg.tot_duration, request->nb_req);
if (avg_time_us > SECOND)
avg_fps = 0;
else
avg_fps = SECOND / (s32)avg_time_us;
if (bdisp->dbg.min_duration > SECOND)
min_fps = 0;
else
min_fps = SECOND / (s32)bdisp->dbg.min_duration;
if (bdisp->dbg.max_duration > SECOND)
max_fps = 0;
else
max_fps = SECOND / (s32)bdisp->dbg.max_duration;
if (bdisp->dbg.last_duration > SECOND)
last_fps = 0;
else
last_fps = SECOND / (s32)bdisp->dbg.last_duration;
seq_printf(s, "HW processing (%d requests):\n", request->nb_req);
seq_printf(s, " Average: %5lld us (%3d fps)\n",
avg_time_us, avg_fps);
seq_printf(s, " Min-Max: %5lld us (%3d fps) - %5lld us (%3d fps)\n",
bdisp->dbg.min_duration, min_fps,
bdisp->dbg.max_duration, max_fps);
seq_printf(s, " Last: %5lld us (%3d fps)\n",
bdisp->dbg.last_duration, last_fps);
return 0;
}
#define bdisp_dbg_create_entry(name) \
debugfs_create_file(#name, S_IRUGO, bdisp->dbg.debugfs_entry, bdisp, \
&name##_fops)
DEFINE_SHOW_ATTRIBUTE(regs);
DEFINE_SHOW_ATTRIBUTE(last_nodes);
DEFINE_SHOW_ATTRIBUTE(last_nodes_raw);
DEFINE_SHOW_ATTRIBUTE(last_request);
DEFINE_SHOW_ATTRIBUTE(perf);
void bdisp_debugfs_create(struct bdisp_dev *bdisp)
{
char dirname[16];
snprintf(dirname, sizeof(dirname), "%s%d", BDISP_NAME, bdisp->id);
bdisp->dbg.debugfs_entry = debugfs_create_dir(dirname, NULL);
bdisp_dbg_create_entry(regs);
bdisp_dbg_create_entry(last_nodes);
bdisp_dbg_create_entry(last_nodes_raw);
bdisp_dbg_create_entry(last_request);
bdisp_dbg_create_entry(perf);
}
void bdisp_debugfs_remove(struct bdisp_dev *bdisp)
{
debugfs_remove_recursive(bdisp->dbg.debugfs_entry);
bdisp->dbg.debugfs_entry = NULL;
}
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