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unplugged-kernel/drivers/misc/mediatek/lpm/modules/debug/mt6873/mt6873_logger.c

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/of.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#include <linux/io.h>
#include <linux/rtc.h>
#include <linux/wakeup_reason.h>
#include <linux/syscore_ops.h>
#include <aee.h>
#include <mtk_lpm.h>
#include <mt6873_spm_comm.h>
#include <mt6873_spm_reg.h>
#include <mt6873_pwr_ctrl.h>
#include <mt6873_pcm_def.h>
#include <mtk_dbg_common_v1.h>
#include <mt-plat/mtk_ccci_common.h>
#include <mtk_lpm_timer.h>
#include <mtk_lpm_sysfs.h>
#define MT6873_LOG_MONITOR_STATE_NAME "mcusysoff"
#define MT6873_LOG_DEFAULT_MS 5000
#define PCM_32K_TICKS_PER_SEC (32768)
#define PCM_TICK_TO_SEC(TICK) (TICK / PCM_32K_TICKS_PER_SEC)
static struct mt6873_spm_wake_status mt6873_wake;
void __iomem *mt6873_spm_base;
struct mt6873_log_helper {
short cur;
short prev;
struct mt6873_spm_wake_status *wakesrc;
};
struct mt6873_log_helper mt6873_logger_help = {
.wakesrc = &mt6873_wake,
.cur = 0,
.prev = 0,
};
const char *mt6873_wakesrc_str[32] = {
[0] = " R12_PCM_TIMER",
[1] = " R12_RESERVED_DEBUG_B",
[2] = " R12_KP_IRQ_B",
[3] = " R12_APWDT_EVENT_B",
[4] = " R12_APXGPT1_EVENT_B",
[5] = " R12_CONN2AP_SPM_WAKEUP_B",
[6] = " R12_EINT_EVENT_B",
[7] = " R12_CONN_WDT_IRQ_B",
[8] = " R12_CCIF0_EVENT_B",
[9] = " R12_LOWBATTERY_IRQ_B",
[10] = " R12_SC_SSPM2SPM_WAKEUP_B",
[11] = " R12_SC_SCP2SPM_WAKEUP_B",
[12] = " R12_SC_ADSP2SPM_WAKEUP_B",
[13] = " R12_PCM_WDT_WAKEUP_B",
[14] = " R12_USB_CDSC_B",
[15] = " R12_USB_POWERDWN_B",
[16] = " R12_SYS_TIMER_EVENT_B",
[17] = " R12_EINT_EVENT_SECURE_B",
[18] = " R12_CCIF1_EVENT_B",
[19] = " R12_UART0_IRQ_B",
[20] = " R12_AFE_IRQ_MCU_B",
[21] = " R12_THERM_CTRL_EVENT_B",
[22] = " R12_SYS_CIRQ_IRQ_B",
[23] = " R12_MD2AP_PEER_EVENT_B",
[24] = " R12_CSYSPWREQ_B",
[25] = " R12_MD1_WDT_B",
[26] = " R12_AP2AP_PEER_WAKEUPEVENT_B",
[27] = " R12_SEJ_EVENT_B",
[28] = " R12_SPM_CPU_WAKEUPEVENT_B",
[29] = " R12_APUSYS",
[30] = " R12_PCIE_BRIDGE_IRQ",
[31] = " R12_PCIE_IRQ",
};
struct spm_wakesrc_irq_list mt6873_spm_wakesrc_irqs[] = {
/* mtk-kpd */
{ WAKE_SRC_STA1_KP_IRQ_B, "mediatek,kp", 0, 0},
/* mt_wdt */
{ WAKE_SRC_STA1_APWDT_EVENT_B, "mediatek,toprgu", 0, 0},
/* bt_cvsd_int */
{ WAKE_SRC_STA1_CONN2AP_SPM_WAKEUP_B, "mediatek,mtk-btcvsd-snd", 0, 0},
/* wf_hif_int */
{ WAKE_SRC_STA1_CONN2AP_SPM_WAKEUP_B, "mediatek,wifi", 0, 0},
/* conn2ap_btif_wakeup_out */
{ WAKE_SRC_STA1_CONN2AP_SPM_WAKEUP_B, "mediatek,mt6873-consys", 0, 0},
/* conn2ap_sw_irq */
{ WAKE_SRC_STA1_CONN2AP_SPM_WAKEUP_B, "mediatek,mt6873-consys", 2, 0},
/* CCIF_AP_DATA */
{ WAKE_SRC_STA1_CCIF0_EVENT_B, "mediatek,ap_ccif0", 0, 0},
/* SCP IPC0 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 0, 0},
/* SCP IPC1 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 1, 0},
/* MBOX_ISR0 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 2, 0},
/* MBOX_ISR1 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 3, 0},
/* MBOX_ISR2 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 4, 0},
/* MBOX_ISR3 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 5, 0},
/* MBOX_ISR4 */
{ WAKE_SRC_STA1_SC_SCP2SPM_WAKEUP_B, "mediatek,scp", 6, 0},
/* ADSP_A_AUD */
{ WAKE_SRC_STA1_SC_ADSP2SPM_WAKEUP_B, "mediatek,adsp_core_0", 2, 0},
/* ADSP_B_AUD */
{ WAKE_SRC_STA1_SC_ADSP2SPM_WAKEUP_B, "mediatek,adsp_core_1", 2, 0},
/* CCIF0_AP */
{ WAKE_SRC_STA1_MD1_WDT_B, "mediatek,mddriver", 2, 0},
/* DPMAIF_AP */
{ WAKE_SRC_STA1_AP2AP_PEER_WAKEUPEVENT_B, "mediatek,dpmaif", 0, 0},
};
#define plat_mmio_read(offset) __raw_readl(mt6873_spm_base + offset)
u64 ap_pd_count;
u64 ap_slp_duration;
u64 spm_26M_off_count;
u64 spm_26M_off_duration;
u32 before_ap_slp_duration;
#define IRQ_NUMBER \
(sizeof(mt6873_spm_wakesrc_irqs)/sizeof(struct spm_wakesrc_irq_list))
static void mt6873_get_spm_wakesrc_irq(void)
{
int i;
struct device_node *node;
for (i = 0; i < IRQ_NUMBER; i++) {
if (mt6873_spm_wakesrc_irqs[i].name == NULL)
continue;
node = of_find_compatible_node(NULL, NULL,
mt6873_spm_wakesrc_irqs[i].name);
if (!node) {
pr_info("[name:spm&][SPM] find '%s' node failed\n",
mt6873_spm_wakesrc_irqs[i].name);
continue;
}
mt6873_spm_wakesrc_irqs[i].irq_no =
irq_of_parse_and_map(node,
mt6873_spm_wakesrc_irqs[i].order);
if (!mt6873_spm_wakesrc_irqs[i].irq_no) {
pr_info("[name:spm&][SPM] get '%s' failed\n",
mt6873_spm_wakesrc_irqs[i].name);
}
}
}
struct mt6873_logger_timer {
struct mt_lpm_timer tm;
unsigned int fired;
};
struct mt6873_logger_fired_info {
unsigned int fired;
int state_index;
};
static struct mt6873_logger_timer mt6873_log_timer;
static struct mt6873_logger_fired_info mt6873_logger_fired;
int mt6873_get_wakeup_status(struct mt6873_log_helper *help)
{
if (!help->wakesrc || !mt6873_spm_base)
return -EINVAL;
help->wakesrc->r12 = plat_mmio_read(SPM_BK_WAKE_EVENT);
help->wakesrc->r12_ext = plat_mmio_read(SPM_WAKEUP_STA);
help->wakesrc->raw_sta = plat_mmio_read(SPM_WAKEUP_STA);
help->wakesrc->raw_ext_sta = plat_mmio_read(SPM_WAKEUP_EXT_STA);
help->wakesrc->md32pcm_wakeup_sta = plat_mmio_read(MD32PCM_WAKEUP_STA);
help->wakesrc->md32pcm_event_sta = plat_mmio_read(MD32PCM_EVENT_STA);
help->wakesrc->src_req = plat_mmio_read(SPM_SRC_REQ);
/* backup of SPM_WAKEUP_MISC */
help->wakesrc->wake_misc = plat_mmio_read(SPM_BK_WAKE_MISC);
/* get sleep time */
/* backup of PCM_TIMER_OUT */
help->wakesrc->timer_out = plat_mmio_read(SPM_BK_PCM_TIMER);
/* get other SYS and co-clock status */
help->wakesrc->r13 = plat_mmio_read(PCM_REG13_DATA);
help->wakesrc->idle_sta = plat_mmio_read(SUBSYS_IDLE_STA);
help->wakesrc->req_sta0 = plat_mmio_read(SRC_REQ_STA_0);
help->wakesrc->req_sta1 = plat_mmio_read(SRC_REQ_STA_1);
help->wakesrc->req_sta2 = plat_mmio_read(SRC_REQ_STA_2);
help->wakesrc->req_sta3 = plat_mmio_read(SRC_REQ_STA_3);
help->wakesrc->req_sta4 = plat_mmio_read(SRC_REQ_STA_4);
/* get HW CG check status */
help->wakesrc->cg_check_sta = plat_mmio_read(SPM_CG_CHECK_STA);
/* get debug flag for PCM execution check */
help->wakesrc->debug_flag = plat_mmio_read(PCM_WDT_LATCH_SPARE_0);
help->wakesrc->debug_flag1 = plat_mmio_read(PCM_WDT_LATCH_SPARE_1);
/* get backup SW flag status */
help->wakesrc->b_sw_flag0 = plat_mmio_read(SPM_SW_RSV_7);
help->wakesrc->b_sw_flag1 = plat_mmio_read(SPM_SW_RSV_8);
help->wakesrc->rt_req_sta0 = plat_mmio_read(SPM_SW_RSV_2);
help->wakesrc->rt_req_sta1 = plat_mmio_read(SPM_SW_RSV_3);
help->wakesrc->rt_req_sta2 = plat_mmio_read(SPM_SW_RSV_4);
help->wakesrc->rt_req_sta3 = plat_mmio_read(SPM_SW_RSV_5);
help->wakesrc->rt_req_sta4 = plat_mmio_read(SPM_SW_RSV_6);
/* get ISR status */
help->wakesrc->isr = plat_mmio_read(SPM_IRQ_STA);
/* get SW flag status */
help->wakesrc->sw_flag0 = plat_mmio_read(SPM_SW_FLAG_0);
help->wakesrc->sw_flag1 = plat_mmio_read(SPM_SW_FLAG_1);
/* get CLK SETTLE */
help->wakesrc->clk_settle = plat_mmio_read(SPM_CLK_SETTLE);
/* check abort */
help->wakesrc->is_abort =
help->wakesrc->debug_flag & DEBUG_ABORT_MASK;
help->wakesrc->is_abort |=
help->wakesrc->debug_flag1 & DEBUG_ABORT_MASK_1;
help->cur += 1;
return 0;
}
static void mt6873_save_sleep_info(void)
{
#define AVOID_OVERFLOW (0xFFFFFFFF00000000)
u32 off_26M_duration;
u32 slp_duration;
slp_duration = plat_mmio_read(SPM_BK_PCM_TIMER);
if (slp_duration == before_ap_slp_duration)
return;
/* Save ap off counter and duration */
if (ap_pd_count >= AVOID_OVERFLOW)
ap_pd_count = 0;
else
ap_pd_count++;
if (ap_slp_duration >= AVOID_OVERFLOW)
ap_slp_duration = 0;
else {
ap_slp_duration = ap_slp_duration + slp_duration;
before_ap_slp_duration = slp_duration;
}
/* Save 26M's off counter and duration */
if (spm_26M_off_duration >= AVOID_OVERFLOW)
spm_26M_off_duration = 0;
else {
off_26M_duration = plat_mmio_read(SPM_BK_VTCXO_DUR);
if (off_26M_duration == 0)
return;
spm_26M_off_duration = spm_26M_off_duration +
off_26M_duration;
}
if (spm_26M_off_count >= AVOID_OVERFLOW)
spm_26M_off_count = 0;
else
spm_26M_off_count = (plat_mmio_read(SPM_VTCXO_EVENT_COUNT_STA)
& 0xffff)
+ spm_26M_off_count;
}
static void mt6873_suspend_show_detailed_wakeup_reason
(struct mt6873_spm_wake_status *wakesta)
{
int i;
unsigned int irq_no;
#if !defined(CONFIG_FPGA_EARLY_PORTING)
#ifdef CONFIG_MTK_CCCI_DEVICES
exec_ccci_kern_func_by_md_id(0, ID_DUMP_MD_SLEEP_MODE,
NULL, 0);
#endif
#ifdef CONFIG_MTK_ECCCI_DRIVER
if (wakesta->r12 & R12_CLDMA_EVENT_B)
exec_ccci_kern_func_by_md_id(0, ID_GET_MD_WAKEUP_SRC,
NULL, 0);
if (wakesta->r12 & R12_MD2AP_PEER_EVENT_B)
exec_ccci_kern_func_by_md_id(0, ID_GET_MD_WAKEUP_SRC,
NULL, 0);
if (wakesta->r12 & R12_CCIF0_EVENT_B)
exec_ccci_kern_func_by_md_id(0, ID_GET_MD_WAKEUP_SRC,
NULL, 0);
if (wakesta->r12 & R12_CCIF1_EVENT_B)
exec_ccci_kern_func_by_md_id(2, ID_GET_MD_WAKEUP_SRC,
NULL, 0);
#endif
#endif
/* Check if pending irq happen and log them */
for (i = 0; i < IRQ_NUMBER; i++) {
if (mt6873_spm_wakesrc_irqs[i].name == NULL ||
!mt6873_spm_wakesrc_irqs[i].irq_no)
continue;
if (mt6873_spm_wakesrc_irqs[i].wakesrc & wakesta->r12) {
irq_no = mt6873_spm_wakesrc_irqs[i].irq_no;
if (mt_irq_get_pending(irq_no))
log_irq_wakeup_reason(irq_no);
}
}
}
static void mt6873_suspend_spm_rsc_req_check
(struct mt6873_spm_wake_status *wakesta)
{
#define LOG_BUF_SIZE 256
#define IS_BLOCKED_OVER_TIMES 10
#undef AVOID_OVERFLOW
#define AVOID_OVERFLOW (0xF0000000)
static u32 is_blocked_cnt;
char log_buf[LOG_BUF_SIZE] = { 0 };
int log_size = 0;
u32 is_no_blocked = 0;
u32 req_sta_0, req_sta_1, req_sta_4;
u32 src_req;
if (is_blocked_cnt >= AVOID_OVERFLOW)
is_blocked_cnt = 0;
/* Check if ever enter deepest System LPM */
is_no_blocked = wakesta->debug_flag & 0x2;
/* Check if System LPM ever is blocked over 10 times */
if (!is_no_blocked)
is_blocked_cnt++;
else
is_blocked_cnt = 0;
if (is_blocked_cnt < IS_BLOCKED_OVER_TIMES)
return;
/* Show who is blocking system LPM */
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size,
"suspend warning:(OneShot) System LPM is blocked by ");
req_sta_0 = plat_mmio_read(SRC_REQ_STA_0);
if (req_sta_0 & 0xFFF)
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "md ");
if (req_sta_0 & (0x3F << 12))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "conn ");
if (req_sta_0 & (0x7 << 18))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "nfc ");
if (req_sta_0 & (0xF << 26))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "disp ");
req_sta_1 = plat_mmio_read(SRC_REQ_STA_1);
if (req_sta_1 & 0x1F)
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "scp ");
if (req_sta_1 & (0x1F << 5))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "adsp ");
if (req_sta_1 & (0x1F << 10))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "ufs ");
if (req_sta_1 & (0xF << 15))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "gce ");
if (req_sta_1 & (0x3FF << 21))
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "msdc ");
req_sta_4 = plat_mmio_read(SRC_REQ_STA_4);
if (req_sta_4 & 0x1F)
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "apu ");
src_req = plat_mmio_read(SPM_SRC_REQ);
if (src_req & 0x9B)
log_size += scnprintf(log_buf + log_size,
LOG_BUF_SIZE - log_size, "spm ");
WARN_ON(strlen(log_buf) >= LOG_BUF_SIZE);
printk_deferred("[name:spm&][SPM] %s", log_buf);
}
static int mt6873_show_message(struct mt6873_spm_wake_status *wakesrc, int type,
const char *prefix, void *data)
{
#undef LOG_BUF_SIZE
#define LOG_BUF_SIZE 256
#define LOG_BUF_OUT_SZ 768
#define IS_WAKE_MISC(x) (wakesrc->wake_misc & x)
#define IS_LOGBUF(ptr, newstr) \
((strlen(ptr) + strlen(newstr)) < LOG_BUF_SIZE)
int i;
unsigned int spm_26M_off_pct = 0;
char buf[LOG_BUF_SIZE] = { 0 };
char log_buf[LOG_BUF_OUT_SZ] = { 0 };
char *local_ptr;
int log_size = 0;
unsigned int wr = WR_UNKNOWN;
const char *scenario = prefix ?: "UNKNOWN";
/* Disable rcu lock checking */
if (type == MT_LPM_ISSUER_SUSPEND)
rcu_irq_enter_irqson();
if (wakesrc->is_abort != 0) {
/* add size check for vcoredvfs */
aee_sram_printk("SPM ABORT (%s), r13 = 0x%x, ",
scenario, wakesrc->r13);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"[SPM] ABORT (%s), r13 = 0x%x, ",
scenario, wakesrc->r13);
aee_sram_printk(" debug_flag = 0x%x 0x%x",
wakesrc->debug_flag, wakesrc->debug_flag1);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
" debug_flag = 0x%x 0x%x",
wakesrc->debug_flag, wakesrc->debug_flag1);
aee_sram_printk(" sw_flag = 0x%x 0x%x",
wakesrc->sw_flag0, wakesrc->sw_flag1);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
" sw_flag = 0x%x 0x%x\n",
wakesrc->sw_flag0, wakesrc->sw_flag1);
aee_sram_printk(" b_sw_flag = 0x%x 0x%x",
wakesrc->b_sw_flag0, wakesrc->b_sw_flag1);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
" b_sw_flag = 0x%x 0x%x",
wakesrc->b_sw_flag0, wakesrc->b_sw_flag1);
wr = WR_ABORT;
} else {
if (wakesrc->r12 & R12_PCM_TIMER) {
if (wakesrc->wake_misc & WAKE_MISC_PCM_TIMER_EVENT) {
local_ptr = " PCM_TIMER";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_PCM_TIMER;
}
}
if (wakesrc->r12 & R12_TWAM_IRQ_B) {
if (IS_WAKE_MISC(WAKE_MISC_DVFSRC_IRQ)) {
local_ptr = " DVFSRC";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_DVFSRC;
}
if (IS_WAKE_MISC(WAKE_MISC_TWAM_IRQ_B)) {
local_ptr = " TWAM";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_TWAM;
}
if (IS_WAKE_MISC(WAKE_MISC_PMSR_IRQ_B_SET0)) {
local_ptr = " PMSR";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_PMSR;
}
if (IS_WAKE_MISC(WAKE_MISC_PMSR_IRQ_B_SET1)) {
local_ptr = " PMSR";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_PMSR;
}
if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_0)) {
local_ptr = " SPM_ACK_CHK";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_SPM_ACK_CHK;
}
if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_1)) {
local_ptr = " SPM_ACK_CHK";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_SPM_ACK_CHK;
}
if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_2)) {
local_ptr = " SPM_ACK_CHK";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_SPM_ACK_CHK;
}
if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_3)) {
local_ptr = " SPM_ACK_CHK";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_SPM_ACK_CHK;
}
if (IS_WAKE_MISC(WAKE_MISC_SPM_ACK_CHK_WAKEUP_ALL)) {
local_ptr = " SPM_ACK_CHK";
if (IS_LOGBUF(buf, local_ptr))
strncat(buf, local_ptr,
strlen(local_ptr));
wr = WR_SPM_ACK_CHK;
}
}
for (i = 1; i < 32; i++) {
if (wakesrc->r12 & (1U << i)) {
if (IS_LOGBUF(buf, mt6873_wakesrc_str[i]))
strncat(buf, mt6873_wakesrc_str[i],
strlen(mt6873_wakesrc_str[i]));
wr = WR_WAKE_SRC;
}
}
WARN_ON(strlen(buf) >= LOG_BUF_SIZE);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"%s wake up by %s, timer_out = %u, r13 = 0x%x, debug_flag = 0x%x 0x%x, ",
scenario, buf, wakesrc->timer_out, wakesrc->r13,
wakesrc->debug_flag, wakesrc->debug_flag1);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"r12 = 0x%x, r12_ext = 0x%x, raw_sta = 0x%x 0x%x 0x%x, idle_sta = 0x%x, ",
wakesrc->r12, wakesrc->r12_ext,
wakesrc->raw_sta,
wakesrc->md32pcm_wakeup_sta,
wakesrc->md32pcm_event_sta,
wakesrc->idle_sta);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"req_sta = 0x%x 0x%x 0x%x 0x%x 0x%x, cg_check_sta =0x%x, isr = 0x%x, rt_req_sta0 = 0x%x rt_req_sta1 = 0x%x rt_req_sta2 = 0x%x rt_req_sta3 = 0x%x dram_sw_con_3 = 0x%x, ",
wakesrc->req_sta0, wakesrc->req_sta1,
wakesrc->req_sta2, wakesrc->req_sta3,
wakesrc->req_sta4, wakesrc->cg_check_sta,
wakesrc->isr, wakesrc->rt_req_sta0,
wakesrc->rt_req_sta1, wakesrc->rt_req_sta2,
wakesrc->rt_req_sta3, wakesrc->rt_req_sta4);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"raw_ext_sta = 0x%x, wake_misc = 0x%x, pcm_flag = 0x%x 0x%x 0x%x 0x%x, req = 0x%x, ",
wakesrc->raw_ext_sta,
wakesrc->wake_misc,
wakesrc->sw_flag0,
wakesrc->sw_flag1, wakesrc->b_sw_flag0,
wakesrc->b_sw_flag0,
wakesrc->src_req);
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
" clk_settle = 0x%x, ", wakesrc->clk_settle);
if (type == MT_LPM_ISSUER_SUSPEND) {
/* calculate 26M off percentage in suspend period */
if (wakesrc->timer_out != 0) {
spm_26M_off_pct =
(100 * plat_mmio_read(SPM_BK_VTCXO_DUR))
/ wakesrc->timer_out;
}
log_size += scnprintf(log_buf + log_size,
LOG_BUF_OUT_SZ - log_size,
"wlk_cntcv_l = 0x%x, wlk_cntcv_h = 0x%x, 26M_off_pct = %d\n",
plat_mmio_read(SYS_TIMER_VALUE_L),
plat_mmio_read(SYS_TIMER_VALUE_H),
spm_26M_off_pct);
}
}
WARN_ON(log_size >= LOG_BUF_OUT_SZ);
if (type == MT_LPM_ISSUER_SUSPEND) {
printk_deferred("[name:spm&][SPM] %s", log_buf);
mt6873_suspend_show_detailed_wakeup_reason(wakesrc);
mt6873_suspend_spm_rsc_req_check(wakesrc);
printk_deferred("[name:spm&][SPM] Suspended for %d.%03d seconds",
PCM_TICK_TO_SEC(wakesrc->timer_out),
PCM_TICK_TO_SEC((wakesrc->timer_out %
PCM_32K_TICKS_PER_SEC)
* 1000));
/* Eable rcu lock checking */
rcu_irq_exit_irqson();
} else
pr_info("[name:spm&][SPM] %s", log_buf);
return wr;
}
int mt6873_issuer_func(int type, const char *prefix, void *data)
{
mt6873_get_wakeup_status(&mt6873_logger_help);
return mt6873_show_message(mt6873_logger_help.wakesrc,
type, prefix, data);
}
struct mtk_lpm_issuer mt6873_issuer = {
.log = mt6873_issuer_func,
};
static int mt6873_idle_save_sleep_info_nb_func(struct notifier_block *nb,
unsigned long action, void *data)
{
struct mtk_lpm_nb_data *nb_data = (struct mtk_lpm_nb_data *)data;
if (nb_data && (action == MTK_LPM_NB_BEFORE_REFLECT))
mt6873_save_sleep_info();
return NOTIFY_OK;
}
struct notifier_block mt6873_idle_save_sleep_info_nb = {
.notifier_call = mt6873_idle_save_sleep_info_nb_func,
};
static void mt6873_suspend_save_sleep_info_func(void)
{
mt6873_save_sleep_info();
}
static struct syscore_ops mt6873_suspend_save_sleep_info_syscore_ops = {
.resume = mt6873_suspend_save_sleep_info_func,
};
static int mt6873_log_timer_func(unsigned long long dur, void *priv)
{
struct mt6873_logger_timer *timer =
(struct mt6873_logger_timer *)priv;
struct mt6873_logger_fired_info *info = &mt6873_logger_fired;
if (timer->fired != info->fired) {
/* if the wake src had beed update before
* then won't do wake src update
*/
if (mt6873_logger_help.prev == mt6873_logger_help.cur)
mt6873_get_wakeup_status(&mt6873_logger_help);
mt6873_show_message(mt6873_logger_help.wakesrc,
MT_LPM_ISSUER_CPUIDLE,
"MCUSYSOFF", NULL);
mt6873_logger_help.prev = mt6873_logger_help.cur;
} else
pr_info("[name:spm&][SPM] MCUSYSOFF Didn't enter low power scenario\n");
timer->fired = info->fired;
return 0;
}
static int mt6873_logger_nb_func(struct notifier_block *nb,
unsigned long action, void *data)
{
struct mtk_lpm_nb_data *nb_data = (struct mtk_lpm_nb_data *)data;
struct mt6873_logger_fired_info *info = &mt6873_logger_fired;
if (nb_data && (action == MTK_LPM_NB_BEFORE_REFLECT)
&& (nb_data->index == info->state_index))
info->fired++;
return NOTIFY_OK;
}
struct notifier_block mt6873_logger_nb = {
.notifier_call = mt6873_logger_nb_func,
};
static ssize_t mt6873_logger_debugfs_read(char *ToUserBuf,
size_t sz, void *priv)
{
char *p = ToUserBuf;
int len;
if (priv == ((void *)&mt6873_log_timer)) {
len = scnprintf(p, sz, "%lu\n",
mtk_lpm_timer_interval(&mt6873_log_timer.tm));
p += len;
}
return (p - ToUserBuf);
}
static ssize_t mt6873_logger_debugfs_write(char *FromUserBuf,
size_t sz, void *priv)
{
if (priv == ((void *)&mt6873_log_timer)) {
unsigned int val = 0;
if (!kstrtouint(FromUserBuf, 10, &val)) {
if (val == 0)
mtk_lpm_timer_stop(&mt6873_log_timer.tm);
else
mtk_lpm_timer_interval_update(
&mt6873_log_timer.tm, val);
}
}
return sz;
}
struct MT6886_LOGGER_NODE {
struct mtk_lp_sysfs_handle handle;
struct mtk_lp_sysfs_op op;
};
#define MT6873_LOGGER_NODE_INIT(_n, _priv) ({\
_n.op.fs_read = mt6873_logger_debugfs_read;\
_n.op.fs_write = mt6873_logger_debugfs_write;\
_n.op.priv = _priv; })\
struct mtk_lp_sysfs_handle mt6873_log_tm_node;
struct MT6886_LOGGER_NODE mt6873_log_tm_interval;
int mt6873_logger_timer_debugfs_init(void)
{
mtk_lpm_sysfs_sub_entry_add("logger", 0644,
NULL, &mt6873_log_tm_node);
MT6873_LOGGER_NODE_INIT(mt6873_log_tm_interval,
&mt6873_log_timer);
mtk_lpm_sysfs_sub_entry_node_add("interval", 0644,
&mt6873_log_tm_interval.op,
&mt6873_log_tm_node,
&mt6873_log_tm_interval.handle);
return 0;
}
int __init mt6873_logger_init(void)
{
struct device_node *node = NULL;
struct cpuidle_driver *drv;
struct cpuidle_device *dev;
node = of_find_compatible_node(NULL, NULL, "mediatek,sleep");
if (node) {
mt6873_spm_base = of_iomap(node, 0);
of_node_put(node);
}
if (mt6873_spm_base)
mtk_lp_issuer_register(&mt6873_issuer);
else
pr_info("[name:mtk_lpm][P] - Don't register the issue by error! (%s:%d)\n",
__func__, __LINE__);
mt6873_get_spm_wakesrc_irq();
mtk_lpm_sysfs_root_entry_create();
mt6873_logger_timer_debugfs_init();
preempt_disable();
dev = cpuidle_get_device();
drv = cpuidle_get_cpu_driver(dev);
preempt_enable();
mt6873_logger_fired.state_index = -1;
if (drv) {
int idx;
for (idx = 0; idx < drv->state_count; ++idx) {
if (!strcmp(MT6873_LOG_MONITOR_STATE_NAME,
drv->states[idx].name)) {
mt6873_logger_fired.state_index = idx;
break;
}
}
}
mtk_lpm_notifier_register(&mt6873_logger_nb);
mtk_lpm_notifier_register(&mt6873_idle_save_sleep_info_nb);
mt6873_log_timer.tm.timeout = mt6873_log_timer_func;
mt6873_log_timer.tm.priv = &mt6873_log_timer;
mtk_lpm_timer_init(&mt6873_log_timer.tm, MTK_LPM_TIMER_REPEAT);
mtk_lpm_timer_interval_update(&mt6873_log_timer.tm,
MT6873_LOG_DEFAULT_MS);
mtk_lpm_timer_start(&mt6873_log_timer.tm);
register_syscore_ops(&mt6873_suspend_save_sleep_info_syscore_ops);
return 0;
}
late_initcall_sync(mt6873_logger_init);
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