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lineage_kernel_xcoverpro/drivers/video/fbdev/exynos/dpu20/event_log.c

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initial commit
2023-06-18 22:53:49 +00:00
/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd.
* http://www.samsung.com
*
* DPU Event log file for Samsung EXYNOS DPU driver
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/ktime.h>
#include <linux/debugfs.h>
#include <media/v4l2-subdev.h>
#include <video/mipi_display.h>
#include "decon.h"
#include "dsim.h"
#include "dpp.h"
/* logging a event related with DECON */
static inline void dpu_event_log_decon
(dpu_event_t type, struct v4l2_subdev *sd, ktime_t time)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
#if defined(CONFIG_SUPPORT_KERNEL_4_9)
if (time.tv64)
#else
if (time)
#endif
log->time = time;
else
log->time = ktime_get();
log->type = type;
switch (type) {
case DPU_EVT_DECON_SUSPEND:
case DPU_EVT_DECON_RESUME:
case DPU_EVT_ENTER_HIBER:
case DPU_EVT_EXIT_HIBER:
log->data.pm.pm_status = pm_runtime_active(decon->dev);
log->data.pm.elapsed = ktime_sub(ktime_get(), log->time);
break;
case DPU_EVT_WIN_CONFIG:
case DPU_EVT_TRIG_UNMASK:
case DPU_EVT_TRIG_MASK:
case DPU_EVT_FENCE_RELEASE:
case DPU_EVT_DECON_FRAMEDONE:
#if defined(CONFIG_SUPPORT_LEGACY_FENCE)
log->data.fence.timeline_value = decon->timeline->value;
log->data.fence.timeline_max = decon->timeline_max;
#else
log->data.fence.timeline_value = atomic_read(&decon->fence.timeline);
log->data.fence.timeline_max = atomic_read(&decon->fence.timeline);
#endif
break;
case DPU_EVT_WB_SW_TRIGGER:
break;
case DPU_EVT_TE_INTERRUPT:
case DPU_EVT_UNDERRUN:
case DPU_EVT_LINECNT_ZERO:
break;
case DPU_EVT_CURSOR_POS: /* cursor async */
log->data.cursor.xpos = decon->cursor.xpos;
log->data.cursor.ypos = decon->cursor.ypos;
log->data.cursor.elapsed = ktime_sub(ktime_get(), log->time);
break;
default:
/* Any remaining types will be log just time and type */
break;
}
}
/* logging a event related with DSIM */
static inline void dpu_event_log_dsim
(dpu_event_t type, struct v4l2_subdev *sd, ktime_t time)
{
struct dsim_device *dsim = container_of(sd, struct dsim_device, sd);
struct decon_device *decon = get_decon_drvdata(dsim->id);
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
#if defined(CONFIG_SUPPORT_KERNEL_4_9)
if (time.tv64)
#else
if (time)
#endif
log->time = time;
else
log->time = ktime_get();
log->type = type;
switch (type) {
case DPU_EVT_DSIM_SUSPEND:
case DPU_EVT_DSIM_RESUME:
case DPU_EVT_ENTER_ULPS:
case DPU_EVT_EXIT_ULPS:
log->data.pm.pm_status = pm_runtime_active(dsim->dev);
log->data.pm.elapsed = ktime_sub(ktime_get(), log->time);
break;
default:
/* Any remaining types will be log just time and type */
break;
}
}
/* get decon's id used by dpp */
static int __get_decon_id_for_dpp(struct v4l2_subdev *sd)
{
struct decon_device *decon;
struct dpp_device *dpp = v4l2_get_subdevdata(sd);
int idx;
int ret = 0;
int decon_cnt;
decon_cnt = get_decon_drvdata(0)->dt.decon_cnt;
for (idx = 0; idx < decon_cnt; idx++) {
decon = get_decon_drvdata(idx);
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event))
continue;
if (test_bit(dpp->id, &decon->prev_used_dpp))
ret = decon->id;
}
return ret;
}
/* logging a event related with DPP */
static inline void dpu_event_log_dpp
(dpu_event_t type, struct v4l2_subdev *sd, ktime_t time)
{
struct decon_device *decon = get_decon_drvdata(__get_decon_id_for_dpp(sd));
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpp_device *dpp = v4l2_get_subdevdata(sd);
struct dpu_log *log;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
#if defined(CONFIG_SUPPORT_KERNEL_4_9)
if (time.tv64)
#else
if (time)
#endif
log->time = time;
else
log->time = ktime_get();
log->type = type;
switch (type) {
case DPU_EVT_DPP_SUSPEND:
case DPU_EVT_DPP_RESUME:
log->data.pm.pm_status = pm_runtime_active(dpp->dev);
log->data.pm.elapsed = ktime_sub(ktime_get(), log->time);
break;
case DPU_EVT_DPP_FRAMEDONE:
case DPU_EVT_DPP_STOP:
case DPU_EVT_DMA_FRAMEDONE:
case DPU_EVT_DMA_RECOVERY:
log->data.dpp.id = dpp->id;
log->data.dpp.done_cnt = dpp->d.done_count;
break;
case DPU_EVT_DPP_WINCON:
log->data.dpp.id = dpp->id;
log->data.dpp.comp = dpp->dpp_config->config.compression;
log->data.dpp.rot = dpp->dpp_config->config.dpp_parm.rot;
log->data.dpp.hdr_std = dpp->dpp_config->config.dpp_parm.hdr_std;
memcpy(&log->data.dpp.src, &dpp->dpp_config->config.src, sizeof(struct decon_frame));
memcpy(&log->data.dpp.dst, &dpp->dpp_config->config.dst, sizeof(struct decon_frame));
break;
default:
log->data.dpp.id = dpp->id;
break;
}
return;
}
/* If event are happend continuously, then ignore */
static bool dpu_event_ignore
(dpu_event_t type, struct decon_device *decon)
{
int latest = atomic_read(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
int idx;
if (IS_ERR_OR_NULL(decon->d.event_log))
return true;
/* Seek a oldest from current index */
idx = (latest + DPU_EVENT_LOG_MAX - DECON_ENTER_HIBER_CNT) % DPU_EVENT_LOG_MAX;
do {
if (++idx >= DPU_EVENT_LOG_MAX)
idx = 0;
log = &decon->d.event_log[idx];
if (log->type != type)
return false;
} while (latest != idx);
return true;
}
/* ===== EXTERN APIs ===== */
/* Common API to log a event related with DECON/DSIM/DPP */
void DPU_EVENT_LOG(dpu_event_t type, struct v4l2_subdev *sd, ktime_t time)
{
struct decon_device *decon = get_decon_drvdata(0);
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event) ||
IS_ERR_OR_NULL(decon->d.event_log))
return;
/* log a eventy softly */
switch (type) {
case DPU_EVT_TE_INTERRUPT:
case DPU_EVT_UNDERRUN:
/* If occurs continuously, skipped. It is a burden */
if (dpu_event_ignore(type, decon))
break;
case DPU_EVT_BLANK:
case DPU_EVT_UNBLANK:
case DPU_EVT_ENTER_HIBER:
case DPU_EVT_EXIT_HIBER:
case DPU_EVT_DECON_SUSPEND:
case DPU_EVT_DECON_RESUME:
case DPU_EVT_LINECNT_ZERO:
case DPU_EVT_TRIG_MASK:
case DPU_EVT_TRIG_UNMASK:
case DPU_EVT_FENCE_RELEASE:
case DPU_EVT_DECON_FRAMEDONE:
case DPU_EVT_DECON_FRAMEDONE_WAIT:
case DPU_EVT_WIN_CONFIG:
case DPU_EVT_WB_SW_TRIGGER:
case DPU_EVT_DECON_SHUTDOWN:
case DPU_EVT_RSC_CONFLICT:
case DPU_EVT_DECON_FRAMESTART:
case DPU_EVT_CURSOR_POS: /* cursor async */
dpu_event_log_decon(type, sd, time);
break;
case DPU_EVT_DSIM_FRAMEDONE:
case DPU_EVT_ENTER_ULPS:
case DPU_EVT_EXIT_ULPS:
case DPU_EVT_DSIM_SHUTDOWN:
case DPU_EVT_DSIM_PL_FIFO_EMPTY:
case DPU_EVT_DSIM_PH_FIFO_EMPTY:
case DPU_EVT_DSIM_VT_STATUS:
case DPU_EVT_DSIM_UNDER_RUN:
dpu_event_log_dsim(type, sd, time);
break;
case DPU_EVT_DPP_FRAMEDONE:
case DPU_EVT_DPP_STOP:
case DPU_EVT_DPP_WINCON:
case DPU_EVT_DMA_FRAMEDONE:
case DPU_EVT_DMA_RECOVERY:
dpu_event_log_dpp(type, sd, time);
break;
default:
break;
}
if (decon->d.event_log_level == DPU_EVENT_LEVEL_LOW)
return;
/* additionally logging hardly */
switch (type) {
case DPU_EVT_ACT_VSYNC:
case DPU_EVT_DEACT_VSYNC:
case DPU_EVT_WB_SET_BUFFER:
case DPU_EVT_DECON_SET_BUFFER:
dpu_event_log_decon(type, sd, time);
break;
case DPU_EVT_DSIM_SUSPEND:
case DPU_EVT_DSIM_RESUME:
dpu_event_log_dsim(type, sd, time);
break;
case DPU_EVT_DPP_SUSPEND:
case DPU_EVT_DPP_RESUME:
case DPU_EVT_DPP_UPDATE_DONE:
case DPU_EVT_DPP_SHADOW_UPDATE:
dpu_event_log_dpp(type, sd, time);
default:
break;
}
}
void DPU_EVENT_LOG_WINCON(struct v4l2_subdev *sd, struct decon_reg_data *regs)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
struct dpu_log *log;
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
int win = 0;
bool window_updated = false;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_UPDATE_HANDLER;
for (win = 0; win < decon->dt.max_win; win++) {
if (regs->win_regs[win].wincon & WIN_EN_F(win)) {
memcpy(&log->data.reg.win_regs[win], &regs->win_regs[win],
sizeof(struct decon_window_regs));
memcpy(&log->data.reg.win_config[win], &regs->dpp_config[win],
sizeof(struct decon_win_config));
} else {
log->data.reg.win_config[win].state =
DECON_WIN_STATE_DISABLED;
}
}
/* window update case : last window */
win = DECON_WIN_UPDATE_IDX;
if (regs->dpp_config[win].state == DECON_WIN_STATE_UPDATE) {
window_updated = true;
memcpy(&log->data.reg.win_config[win], &regs->dpp_config[win],
sizeof(struct decon_win_config));
}
/* write-back case : last window */
if (decon->dt.out_type == DECON_OUT_WB)
memcpy(&log->data.reg.win_config[win], &regs->dpp_config[win],
sizeof(struct decon_win_config));
if (window_updated) {
log->data.reg.win.x = regs->dpp_config[win].dst.x;
log->data.reg.win.y = regs->dpp_config[win].dst.y;
log->data.reg.win.w = regs->dpp_config[win].dst.w;
log->data.reg.win.h = regs->dpp_config[win].dst.h;
} else {
log->data.reg.win.x = 0;
log->data.reg.win.y = 0;
log->data.reg.win.w = decon->lcd_info->xres;
log->data.reg.win.h = decon->lcd_info->yres;
}
}
extern void *return_address(int);
/* Common API to log a event related with DSIM COMMAND */
void DPU_EVENT_LOG_CMD(struct v4l2_subdev *sd, u32 cmd_id, unsigned long data)
{
struct dsim_device *dsim = container_of(sd, struct dsim_device, sd);
struct decon_device *decon = get_decon_drvdata(dsim->id);
int idx, i;
struct dpu_log *log;
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event) ||
IS_ERR_OR_NULL(decon->d.event_log))
return;
idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_DSIM_COMMAND;
log->data.cmd_buf.id = cmd_id;
if (cmd_id == MIPI_DSI_DCS_LONG_WRITE)
log->data.cmd_buf.buf = *(u8 *)(data);
else
log->data.cmd_buf.buf = (u8)data;
for (i = 0; i < DPU_CALLSTACK_MAX; i++)
log->data.cmd_buf.caller[i] = (void *)((size_t)return_address(i + 1));
}
/* cursor async */
void DPU_EVENT_LOG_CURSOR(struct v4l2_subdev *sd, struct decon_reg_data *regs)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
struct dpu_log *log;
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
int win = 0;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_CURSOR_UPDATE;
for (win = 0; win < decon->dt.max_win; win++) {
if (regs->is_cursor_win[win] && regs->win_regs[win].wincon & WIN_EN_F(win)) {
memcpy(&log->data.reg.win_regs[win], &regs->win_regs[win],
sizeof(struct decon_window_regs));
memcpy(&log->data.reg.win_config[win], &regs->dpp_config[win],
sizeof(struct decon_win_config));
} else {
log->data.reg.win_config[win].state =
DECON_WIN_STATE_DISABLED;
}
}
win = DECON_WIN_UPDATE_IDX;
log->data.reg.win_config[win].state = DECON_WIN_STATE_DISABLED;
}
void DPU_EVENT_LOG_UPDATE_REGION(struct v4l2_subdev *sd,
struct decon_frame *req_region, struct decon_frame *adj_region)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event) ||
IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_WINUP_UPDATE_REGION;
memcpy(&log->data.winup.req_region, req_region, sizeof(struct decon_frame));
memcpy(&log->data.winup.adj_region, adj_region, sizeof(struct decon_frame));
}
void DPU_EVENT_LOG_WINUP_FLAGS(struct v4l2_subdev *sd, bool need_update,
bool reconfigure)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
struct dpu_log *log;
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event) ||
IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_WINUP_FLAGS;
log->data.winup.need_update = need_update;
log->data.winup.reconfigure = reconfigure;
}
void DPU_EVENT_LOG_APPLY_REGION(struct v4l2_subdev *sd,
struct decon_rect *apl_rect)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
if (!decon || IS_ERR_OR_NULL(decon->d.debug_event) ||
IS_ERR_OR_NULL(decon->d.event_log))
return;
log = &decon->d.event_log[idx];
log->time = ktime_get();
log->type = DPU_EVT_WINUP_APPLY_REGION;
log->data.winup.apl_region.x = apl_rect->left;
log->data.winup.apl_region.y = apl_rect->top;
log->data.winup.apl_region.w = apl_rect->right - apl_rect->left + 1;
log->data.winup.apl_region.h = apl_rect->bottom - apl_rect->top + 1;
}
void DPU_EVENT_LOG_FENCE(struct v4l2_subdev *sd,
struct decon_reg_data *regs, dpu_event_t type)
{
struct decon_device *decon = container_of(sd, struct decon_device, sd);
int idx = atomic_inc_return(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log = &decon->d.event_log[idx];
int win = 0;
struct dma_fence *fence = NULL;
static int fence_log_cnt;
log->time = ktime_get();
log->type = type;
if (++fence_log_cnt < (DPU_EVENT_LOG_MAX/2))
return;
--fence_log_cnt;
#if !defined(CONFIG_SUPPORT_LEGACY_FENCE)
for (win = 0; win < decon->dt.max_win; win++) {
log->data.fence.acq_fence[win][0] = '\0';
fence = regs->dma_buf_data[win][0].fence;
if (fence) {
snprintf(&log->data.fence.acq_fence[win][0], ACQ_FENCE_LEN, "%p:%s",
fence, fence->ops->get_driver_name(fence));
}
}
log->data.fence.timeline_value = atomic_read(&decon->fence.timeline);
log->data.fence.timeline_max = atomic_read(&decon->fence.timeline);
#else
log->data.fence.timeline_value = decon->timeline->value;
log->data.fence.timeline_max = decon->timeline_max;
#endif
}
/* display logged events related with DECON */
void DPU_EVENT_SHOW(struct seq_file *s, struct decon_device *decon)
{
int idx = atomic_read(&decon->d.event_log_idx) % DPU_EVENT_LOG_MAX;
struct dpu_log *log;
int latest = idx;
struct timeval tv;
ktime_t prev_ktime;
struct dsim_device *dsim;
if (IS_ERR_OR_NULL(decon->d.event_log))
return;
if (!decon->id)
dsim = get_dsim_drvdata(decon->id);
/* TITLE */
seq_printf(s, "-------------------DECON%d EVENT LOGGER ----------------------\n",
decon->id);
seq_printf(s, "-- STATUS: Hibernation(%s) ",
IS_ENABLED(CONFIG_EXYNOS_HIBERNATION) ? "on" : "off");
seq_printf(s, "BlockMode(%s) ",
IS_ENABLED(CONFIG_EXYNOS_BLOCK_MODE) ? "on" : "off");
seq_printf(s, "Window_Update(%s)\n",
decon->win_up.enabled ? "on" : "off");
if (!decon->id)
seq_printf(s, "-- Total underrun count(%d)\n",
dsim->total_underrun_cnt);
seq_printf(s, "-- Hibernation enter/exit count(%d %d)\n",
decon->hiber.enter_cnt, decon->hiber.exit_cnt);
seq_puts(s, "-------------------------------------------------------------\n");
seq_printf(s, "%14s %20s %20s\n",
"Time", "Event ID", "Remarks");
seq_puts(s, "-------------------------------------------------------------\n");
/* Seek a oldest from current index */
idx = (idx + DPU_EVENT_LOG_MAX - DPU_EVENT_PRINT_MAX) % DPU_EVENT_LOG_MAX;
prev_ktime = ktime_set(0, 0);
do {
if (++idx >= DPU_EVENT_LOG_MAX)
idx = 0;
/* Seek a index */
log = &decon->d.event_log[idx];
/* TIME */
tv = ktime_to_timeval(log->time);
seq_printf(s, "[%6ld.%06ld] ", tv.tv_sec, tv.tv_usec);
/* If there is no timestamp, then exit directly */
if (!tv.tv_sec)
break;
/* EVETN ID + Information */
switch (log->type) {
case DPU_EVT_BLANK:
seq_printf(s, "%20s %20s", "FB_BLANK", "-\n");
break;
case DPU_EVT_UNBLANK:
seq_printf(s, "%20s %20s", "FB_UNBLANK", "-\n");
break;
case DPU_EVT_ACT_VSYNC:
seq_printf(s, "%20s %20s", "ACT_VSYNC", "-\n");
break;
case DPU_EVT_DEACT_VSYNC:
seq_printf(s, "%20s %20s", "DEACT_VSYNC", "-\n");
break;
case DPU_EVT_WIN_CONFIG:
seq_printf(s, "%20s %20s", "WIN_CONFIG", "-\n");
break;
case DPU_EVT_TE_INTERRUPT:
prev_ktime = ktime_sub(log->time, prev_ktime);
seq_printf(s, "%20s ", "TE_INTERRUPT");
seq_printf(s, "time_diff=[%ld.%04lds]\n",
ktime_to_timeval(prev_ktime).tv_sec,
ktime_to_timeval(prev_ktime).tv_usec/100);
/* Update for latest DPU_EVT_TE time */
prev_ktime = log->time;
break;
case DPU_EVT_UNDERRUN:
seq_printf(s, "%20s %20s", "UNDER_RUN", "-\n");
break;
case DPU_EVT_DECON_FRAMEDONE:
seq_printf(s, "%20s %20s", "DECON_FRAME_DONE", "-\n");
break;
case DPU_EVT_DSIM_FRAMEDONE:
seq_printf(s, "%20s %20s", "DSIM_FRAME_DONE", "-\n");
break;
case DPU_EVT_RSC_CONFLICT:
seq_printf(s, "%20s %20s", "RSC_CONFLICT", "-\n");
break;
case DPU_EVT_UPDATE_HANDLER:
seq_printf(s, "%20s ", "UPDATE_HANDLER");
seq_printf(s, "Partial Size (%d,%d,%d,%d)\n",
log->data.reg.win.x,
log->data.reg.win.y,
log->data.reg.win.w,
log->data.reg.win.h);
break;
case DPU_EVT_DSIM_COMMAND:
seq_printf(s, "%20s ", "DSIM_COMMAND");
seq_printf(s, "id=0x%x, command=0x%x\n",
log->data.cmd_buf.id,
log->data.cmd_buf.buf);
break;
case DPU_EVT_TRIG_MASK:
seq_printf(s, "%20s %20s", "TRIG_MASK", "-\n");
break;
case DPU_EVT_TRIG_UNMASK:
seq_printf(s, "%20s %20s", "TRIG_UNMASK", "-\n");
break;
case DPU_EVT_FENCE_ACQUIRE:
seq_printf(s, "%20s %20s", "FENCE_ACQUIRE", "-\n");
break;
case DPU_EVT_FENCE_RELEASE:
seq_printf(s, "%20s %20s", "FENCE_RELEASE", "-\n");
break;
case DPU_EVT_DECON_SHUTDOWN:
seq_printf(s, "%20s %20s", "DECON_SHUTDOWN", "-\n");
break;
case DPU_EVT_DSIM_SHUTDOWN:
seq_printf(s, "%20s %20s", "DSIM_SHUTDOWN", "-\n");
break;
case DPU_EVT_DECON_FRAMESTART:
seq_printf(s, "%20s %20s", "DECON_FRAMESTART", "-\n");
break;
case DPU_EVT_DPP_WINCON:
seq_printf(s, "%20s ", "DPP_WINCON");
seq_printf(s, "ID:%d, comp= %d, rot= %d, hdr= %d\n",
log->data.dpp.id,
log->data.dpp.comp,
log->data.dpp.rot,
log->data.dpp.hdr_std);
break;
case DPU_EVT_DPP_FRAMEDONE:
seq_printf(s, "%20s ", "DPP_FRAMEDONE");
seq_printf(s, "ID:%d, start=%d, done=%d\n",
log->data.dpp.id,
log->data.dpp.start_cnt,
log->data.dpp.done_cnt);
break;
case DPU_EVT_DPP_STOP:
seq_printf(s, "%20s ", "DPP_STOP");
seq_printf(s, "(id:%d)\n", log->data.dpp.id);
break;
case DPU_EVT_DPP_SUSPEND:
seq_printf(s, "%20s %20s", "DPP_SUSPEND", "-\n");
break;
case DPU_EVT_DPP_RESUME:
seq_printf(s, "%20s %20s", "DPP_RESUME", "-\n");
break;
case DPU_EVT_DECON_SUSPEND:
seq_printf(s, "%20s %20s", "DECON_SUSPEND", "-\n");
break;
case DPU_EVT_DECON_RESUME:
seq_printf(s, "%20s %20s", "DECON_RESUME", "-\n");
break;
case DPU_EVT_ENTER_HIBER:
seq_printf(s, "%20s ", "ENTER_HIBER");
tv = ktime_to_timeval(log->data.pm.elapsed);
seq_printf(s, "pm=%s, elapsed=[%ld.%03lds]\n",
log->data.pm.pm_status ? "active " : "suspend",
tv.tv_sec, tv.tv_usec/1000);
break;
case DPU_EVT_EXIT_HIBER:
seq_printf(s, "%20s ", "EXIT_HIBER");
tv = ktime_to_timeval(log->data.pm.elapsed);
seq_printf(s, "pm=%s, elapsed=[%ld.%03lds]\n",
log->data.pm.pm_status ? "active " : "suspend",
tv.tv_sec, tv.tv_usec/1000);
break;
case DPU_EVT_DSIM_SUSPEND:
seq_printf(s, "%20s %20s", "DSIM_SUSPEND", "-\n");
break;
case DPU_EVT_DSIM_RESUME:
seq_printf(s, "%20s %20s", "DSIM_RESUME", "-\n");
break;
case DPU_EVT_ENTER_ULPS:
seq_printf(s, "%20s ", "ENTER_ULPS");
tv = ktime_to_timeval(log->data.pm.elapsed);
seq_printf(s, "pm=%s, elapsed=[%ld.%03lds]\n",
log->data.pm.pm_status ? "active " : "suspend",
tv.tv_sec, tv.tv_usec/1000);
break;
case DPU_EVT_EXIT_ULPS:
seq_printf(s, "%20s ", "EXIT_ULPS");
tv = ktime_to_timeval(log->data.pm.elapsed);
seq_printf(s, "pm=%s, elapsed=[%ld.%03lds]\n",
log->data.pm.pm_status ? "active " : "suspend",
tv.tv_sec, tv.tv_usec/1000);
break;
case DPU_EVT_DMA_FRAMEDONE:
seq_printf(s, "%20s ", "DPP_FRAMEDONE");
seq_printf(s, "ID:%d\n", log->data.dpp.id);
break;
case DPU_EVT_DMA_RECOVERY:
seq_printf(s, "%20s %20s", "DMA_FRAMEDONE", "-\n");
break;
default:
seq_printf(s, "%20s (%2d)\n", "NO_DEFINED", log->type);
break;
}
} while (latest != idx);
seq_puts(s, "-------------------------------------------------------------\n");
return;
}
static int decon_debug_event_show(struct seq_file *s, void *unused)
{
struct decon_device *decon = s->private;
DPU_EVENT_SHOW(s, decon);
return 0;
}
static int decon_debug_event_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_event_show, inode->i_private);
}
static const struct file_operations decon_event_fops = {
.open = decon_debug_event_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_dump_show(struct seq_file *s, void *unused)
{
struct decon_device *decon = s->private;
if (!IS_DECON_ON_STATE(decon)) {
decon_info("%s: decon is not ON(%d)\n", __func__, decon->state);
return 0;
}
decon_dump(decon);
return 0;
}
static int decon_debug_dump_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_dump_show, inode->i_private);
}
static const struct file_operations decon_dump_fops = {
.open = decon_debug_dump_open,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_bts_show(struct seq_file *s, void *unused)
{
seq_printf(s, "%u\n", dpu_bts_log_level);
return 0;
}
static int decon_debug_bts_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_bts_show, inode->i_private);
}
static ssize_t decon_debug_bts_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &dpu_bts_log_level);
if (ret < 0)
goto out;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_bts_fops = {
.open = decon_debug_bts_open,
.write = decon_debug_bts_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_win_show(struct seq_file *s, void *unused)
{
seq_printf(s, "%u\n", win_update_log_level);
return 0;
}
static int decon_debug_win_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_win_show, inode->i_private);
}
static ssize_t decon_debug_win_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &win_update_log_level);
if (ret < 0)
goto out;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_win_fops = {
.open = decon_debug_win_open,
.write = decon_debug_win_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_mres_show(struct seq_file *s, void *unused)
{
seq_printf(s, "%u\n", dpu_mres_log_level);
return 0;
}
static int decon_debug_mres_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_mres_show, inode->i_private);
}
static ssize_t decon_debug_mres_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &dpu_mres_log_level);
if (ret < 0)
goto out;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_mres_fops = {
.open = decon_debug_mres_open,
.write = decon_debug_mres_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_systrace_show(struct seq_file *s, void *unused)
{
seq_printf(s, "%u\n", decon_systrace_enable);
return 0;
}
static int decon_systrace_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_systrace_show, inode->i_private);
}
static ssize_t decon_systrace_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &decon_systrace_enable);
if (ret < 0)
goto out;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_systrace_fops = {
.open = decon_systrace_open,
.write = decon_systrace_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#if defined(CONFIG_DSIM_CMD_TEST)
static int decon_debug_cmd_show(struct seq_file *s, void *unused)
{
return 0;
}
static int decon_debug_cmd_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_cmd_show, inode->i_private);
}
static ssize_t decon_debug_cmd_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
unsigned int cmd;
struct dsim_device *dsim;
u32 id, d1;
unsigned long d0;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &cmd);
if (ret < 0)
goto out;
dsim = get_dsim_drvdata(0);
switch (cmd) {
case 1:
id = MIPI_DSI_DCS_SHORT_WRITE;
d0 = (unsigned long)SEQ_DISPLAY_ON[0];
d1 = 0;
break;
case 2:
id = MIPI_DSI_DCS_SHORT_WRITE;
d0 = (unsigned long)SEQ_DISPLAY_OFF[0];
d1 = 0;
break;
case 3:
id = MIPI_DSI_DCS_SHORT_WRITE;
d0 = (unsigned long)SEQ_ALLPOFF[0];
d1 = 0;
break;
case 4:
id = MIPI_DSI_DCS_SHORT_WRITE;
d0 = (unsigned long)SEQ_ALLPON[0];
d1 = 0;
break;
case 5:
id = MIPI_DSI_DCS_LONG_WRITE;
d0 = (unsigned long)SEQ_ESD_FG;
d1 = ARRAY_SIZE(SEQ_ESD_FG);
break;
case 6:
id = MIPI_DSI_DCS_LONG_WRITE;
d0 = (unsigned long)SEQ_TEST_KEY_OFF_F0;
d1 = ARRAY_SIZE(SEQ_TEST_KEY_OFF_F0);
break;
case 7:
id = MIPI_DSI_DCS_LONG_WRITE;
d0 = (unsigned long)SEQ_TEST_KEY_OFF_F1;
d1 = ARRAY_SIZE(SEQ_TEST_KEY_OFF_F1);
break;
default:
dsim_info("unsupported command(%d)\n", cmd);
goto out;
}
ret = dsim_write_data(dsim, id, d0, d1);
if (ret < 0) {
decon_err("failed to write DSIM command(0x%lx)\n",
(id == MIPI_DSI_DCS_LONG_WRITE) ?
*(u8 *)(d0) : d0);
goto out;
}
decon_info("success to write DSIM command(0x%lx, %d)\n",
(id == MIPI_DSI_DCS_LONG_WRITE) ?
*(u8 *)(d0) : d0, d1);
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_cmd_fops = {
.open = decon_debug_cmd_open,
.write = decon_debug_cmd_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
#endif
static int decon_debug_cmd_lp_ref_show(struct seq_file *s, void *unused)
{
struct dsim_device *dsim = get_dsim_drvdata(0);
int i;
/* DSU_MODE_1 is used in stead of 1 in MCD */
seq_printf(s, "%u\n", dsim->lcd_info.mres_mode);
for (i = 0; i < dsim->lcd_info.dt_lcd_mres.mres_number; i++)
seq_printf(s, "%u\n", dsim->lcd_info.cmd_underrun_lp_ref[i]);
return 0;
}
static int decon_debug_cmd_lp_ref_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_cmd_lp_ref_show, inode->i_private);
}
static ssize_t decon_debug_cmd_lp_ref_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
char *buf_data;
int ret;
unsigned int cmd_lp_ref;
struct dsim_device *dsim;
int idx;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &cmd_lp_ref);
if (ret < 0)
goto out;
dsim = get_dsim_drvdata(0);
idx = dsim->lcd_info.mres_mode;
dsim->lcd_info.cmd_underrun_lp_ref[idx] = cmd_lp_ref;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_cmd_lp_ref_fops = {
.open = decon_debug_cmd_lp_ref_open,
.write = decon_debug_cmd_lp_ref_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_rec_show(struct seq_file *s, void *unused)
{
#if 0 /* TODO: This will be implemented */
seq_printf(s, "VGF0[%u] VGF1[%u]\n",
get_dpp_drvdata(DPU_DMA2CH(IDMA_VGF0))->d.recovery_cnt,
get_dpp_drvdata(DPU_DMA2CH(IDMA_VGF1))->d.recovery_cnt);
#endif
return 0;
}
static int decon_debug_rec_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_rec_show, inode->i_private);
}
static ssize_t decon_debug_rec_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
return count;
}
static const struct file_operations decon_rec_fops = {
.open = decon_debug_rec_open,
.write = decon_debug_rec_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
static int decon_debug_low_persistence_show(struct seq_file *s, void *unused)
{
struct decon_device *decon = get_decon_drvdata(0);
seq_printf(s, "%u\n", decon->low_persistence);
return 0;
}
static int decon_debug_low_persistence_open(struct inode *inode, struct file *file)
{
return single_open(file, decon_debug_low_persistence_show, inode->i_private);
}
static ssize_t decon_debug_low_persistence_write(struct file *file, const char __user *buf,
size_t count, loff_t *f_ops)
{
struct decon_device *decon;
char *buf_data;
int ret;
unsigned int low_persistence;
buf_data = kmalloc(count, GFP_KERNEL);
if (buf_data == NULL)
return count;
ret = copy_from_user(buf_data, buf, count);
if (ret < 0)
goto out;
ret = sscanf(buf_data, "%u", &low_persistence);
if (ret < 0)
goto out;
decon = get_decon_drvdata(0);
decon->low_persistence = low_persistence;
out:
kfree(buf_data);
return count;
}
static const struct file_operations decon_low_persistence_fops = {
.open = decon_debug_low_persistence_open,
.write = decon_debug_low_persistence_write,
.read = seq_read,
.llseek = seq_lseek,
.release = seq_release,
};
int decon_create_debugfs(struct decon_device *decon)
{
char name[MAX_NAME_SIZE];
int ret = 0;
int i;
u32 event_cnt;
decon->d.event_log = NULL;
event_cnt = DPU_EVENT_LOG_MAX;
for (i = 0; i < DPU_EVENT_LOG_RETRY; ++i) {
event_cnt = event_cnt >> i;
decon->d.event_log = kzalloc(sizeof(struct dpu_log) * event_cnt,
GFP_KERNEL);
if (IS_ERR_OR_NULL(decon->d.event_log)) {
decon_warn("failed to alloc event log buf[%d]. retry\n",
event_cnt);
continue;
}
decon_info("#%d event log buffers are allocated\n", event_cnt);
break;
}
decon->d.event_log_cnt = event_cnt;
if (!decon->id) {
decon->d.debug_root = debugfs_create_dir("decon", NULL);
if (!decon->d.debug_root) {
decon_err("failed to create debugfs root directory.\n");
ret = -ENOENT;
goto err_event_log;
}
}
if (decon->id == 1 || decon->id == 2)
decon->d.debug_root = decon_drvdata[0]->d.debug_root;
snprintf(name, MAX_NAME_SIZE, "event%d", decon->id);
atomic_set(&decon->d.event_log_idx, -1);
decon->d.debug_event = debugfs_create_file(name, 0444,
decon->d.debug_root, decon, &decon_event_fops);
if (!decon->d.debug_event) {
decon_err("failed to create debugfs file(%d)\n", decon->id);
ret = -ENOENT;
goto err_debugfs;
}
snprintf(name, MAX_NAME_SIZE, "dump%d", decon->id);
decon->d.debug_dump = debugfs_create_file(name, 0444,
decon->d.debug_root, decon, &decon_dump_fops);
if (!decon->d.debug_dump) {
decon_err("failed to create SFR dump debugfs file(%d)\n",
decon->id);
ret = -ENOENT;
goto err_debugfs;
}
if (decon->id == 0) {
decon->d.debug_bts = debugfs_create_file("bts_log", 0444,
decon->d.debug_root, NULL, &decon_bts_fops);
if (!decon->d.debug_bts) {
decon_err("failed to create BTS log level file\n");
ret = -ENOENT;
goto err_debugfs;
}
decon->d.debug_win = debugfs_create_file("win_update_log", 0444,
decon->d.debug_root, NULL, &decon_win_fops);
if (!decon->d.debug_win) {
decon_err("failed to create win update log level file\n");
ret = -ENOENT;
goto err_debugfs;
}
decon->d.debug_mres = debugfs_create_file("mres_log", 0444,
decon->d.debug_root, NULL, &decon_mres_fops);
if (!decon->d.debug_mres) {
decon_err("failed to create mres log level file\n");
ret = -ENOENT;
goto err_debugfs;
}
decon->d.debug_systrace = debugfs_create_file("decon_systrace", 0444,
decon->d.debug_root, NULL, &decon_systrace_fops);
if (!decon->d.debug_systrace) {
decon_err("failed to create decon_systrace file\n");
ret = -ENOENT;
goto err_debugfs;
}
#if defined(CONFIG_DSIM_CMD_TEST)
decon->d.debug_cmd = debugfs_create_file("cmd", 0444,
decon->d.debug_root, NULL, &decon_cmd_fops);
if (!decon->d.debug_cmd) {
decon_err("failed to create cmd_rw file\n");
ret = -ENOENT;
goto err_debugfs;
}
#endif
decon->d.debug_recovery_cnt = debugfs_create_file("recovery_cnt",
0444, decon->d.debug_root, NULL, &decon_rec_fops);
if (!decon->d.debug_recovery_cnt) {
decon_err("failed to create recovery_cnt file\n");
ret = -ENOENT;
goto err_debugfs;
}
decon->d.debug_cmd_lp_ref = debugfs_create_file("cmd_lp_ref",
0444, decon->d.debug_root, NULL, &decon_cmd_lp_ref_fops);
if (!decon->d.debug_cmd_lp_ref) {
decon_err("failed to create cmd_lp_ref file\n");
ret = -ENOENT;
goto err_debugfs;
}
decon->d.debug_low_persistence = debugfs_create_file("low_persistence",
0444, decon->d.debug_root, NULL, &decon_low_persistence_fops);
if (!decon->d.debug_low_persistence) {
decon_err("failed to create low persistence file\n");
ret = -ENOENT;
goto err_debugfs;
}
}
return 0;
err_debugfs:
debugfs_remove_recursive(decon->d.debug_root);
err_event_log:
kfree(decon->d.event_log);
decon->d.event_log = NULL;
return ret;
}
void decon_destroy_debugfs(struct decon_device *decon)
{
if (decon->d.debug_root)
debugfs_remove(decon->d.debug_root);
if (decon->d.debug_event)
debugfs_remove(decon->d.debug_event);
}