blob: 9f128fe18fea80606efb2a0fc7e9be9496375eb4 [file] [log] [blame]
/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <asm/arch_timer.h>
#include <linux/platform_device.h>
#include "tsens.h"
#include "tsens-mtc.h"
/* debug defines */
#define TSENS_DBG_BUS_ID_0 0
#define TSENS_DBG_BUS_ID_1 1
#define TSENS_DBG_BUS_ID_2 2
#define TSENS_DBG_BUS_ID_15 15
#define TSENS_DEBUG_LOOP_COUNT_ID_0 2
#define TSENS_DEBUG_LOOP_COUNT 5
#define TSENS_DEBUG_STATUS_REG_START 10
#define TSENS_DEBUG_OFFSET_RANGE 16
#define TSENS_DEBUG_OFFSET_WORD1 0x4
#define TSENS_DEBUG_OFFSET_WORD2 0x8
#define TSENS_DEBUG_OFFSET_WORD3 0xc
#define TSENS_DEBUG_OFFSET_ROW 0x10
#define TSENS_DEBUG_DECIDEGC -950
#define TSENS_DEBUG_CYCLE_MS 64
#define TSENS_DEBUG_POLL_MS 200
#define TSENS_DEBUG_BUS_ID2_MIN_CYCLE 50
#define TSENS_DEBUG_BUS_ID2_MAX_CYCLE 51
#define TSENS_DEBUG_ID_MASK_1_4 0xffffffe1
#define DEBUG_SIZE 10
#define TSENS_DEBUG_CONTROL(n) ((n) + 0x130)
#define TSENS_DEBUG_DATA(n) ((n) + 0x134)
struct tsens_dbg_func {
int (*dbg_func)(struct tsens_device *, u32, u32, int *);
};
static ssize_t
zonemask_show(struct device *dev, struct device_attribute *attr, char *buf)
{
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
return snprintf(buf, PAGE_SIZE,
"Zone =%d th1=%d th2=%d\n", tmdev->mtcsys.zone_mtc,
tmdev->mtcsys.th1, tmdev->mtcsys.th2);
}
static ssize_t
zonemask_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
ret = sscanf(buf, "%d %d %d", &tmdev->mtcsys.zone_mtc,
&tmdev->mtcsys.th1, &tmdev->mtcsys.th2);
if (ret != TSENS_ZONEMASK_PARAMS) {
pr_err("Invalid command line arguments\n");
count = -EINVAL;
} else {
pr_debug("store zone_mtc=%d th1=%d th2=%d\n",
tmdev->mtcsys.zone_mtc,
tmdev->mtcsys.th1, tmdev->mtcsys.th2);
ret = tsens_set_mtc_zone_sw_mask(tmdev->mtcsys.zone_mtc,
tmdev->mtcsys.th1, tmdev->mtcsys.th2);
if (ret < 0) {
pr_err("Invalid command line arguments\n");
count = -EINVAL;
}
}
return count;
}
static ssize_t
zonelog_show(struct device *dev, struct device_attribute *attr, char *buf)
{
int ret, zlog[TSENS_MTC_ZONE_LOG_SIZE];
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
ret = tsens_get_mtc_zone_log(tmdev->mtcsys.zone_log, zlog);
if (ret < 0) {
pr_err("Invalid command line arguments\n");
return -EINVAL;
}
return snprintf(buf, PAGE_SIZE,
"Log[0]=%d\nLog[1]=%d\nLog[2]=%d\nLog[3]=%d\nLog[4]=%d\nLog[5]=%d\n",
zlog[0], zlog[1], zlog[2], zlog[3], zlog[4], zlog[5]);
}
static ssize_t
zonelog_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
ret = kstrtou32(buf, 0, &tmdev->mtcsys.zone_log);
if (ret < 0) {
pr_err("Invalid command line arguments\n");
return -EINVAL;
}
return count;
}
static ssize_t
zonehist_show(struct device *dev, struct device_attribute *attr, char *buf)
{
int ret, zhist[TSENS_MTC_ZONE_HISTORY_SIZE];
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
ret = tsens_get_mtc_zone_history(tmdev->mtcsys.zone_hist, zhist);
if (ret < 0) {
pr_err("Invalid command line arguments\n");
return -EINVAL;
}
return snprintf(buf, PAGE_SIZE,
"Cool = %d\nYellow = %d\nRed = %d\n",
zhist[0], zhist[1], zhist[2]);
}
static ssize_t
zonehist_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
int ret;
struct tsens_device *tmdev = NULL;
tmdev = tsens_controller_is_present();
if (!tmdev) {
pr_err("No TSENS controller present\n");
return -EPROBE_DEFER;
}
ret = kstrtou32(buf, 0, &tmdev->mtcsys.zone_hist);
if (ret < 0) {
pr_err("Invalid command line arguments\n");
return -EINVAL;
}
return count;
}
static struct device_attribute tsens_mtc_dev_attr[] = {
__ATTR(zonemask, 0644, zonemask_show, zonemask_store),
__ATTR(zonelog, 0644, zonelog_show, zonelog_store),
__ATTR(zonehist, 0644, zonehist_show, zonehist_store),
};
static struct device_attribute tsens_mtc_dev_attr_V14[] = {
__ATTR(zonemask, 0644, zonemask_show, zonemask_store),
__ATTR(zonelog, 0644, zonelog_show, zonelog_store),
};
static int tsens_dbg_mtc_data(struct tsens_device *data,
u32 id, u32 dbg_type, int *val)
{
int result = 0, i;
struct tsens_device *tmdev = NULL;
struct device_attribute *attr_ptr = NULL;
u32 ver_major;
u32 ver_minor;
u32 num_elem;
tmdev = data;
ver_major = tmdev->ctrl_data->ver_major;
ver_minor = tmdev->ctrl_data->ver_minor;
if (ver_major == 1 && ver_minor == 4) {
attr_ptr = tsens_mtc_dev_attr_V14;
num_elem = ARRAY_SIZE(tsens_mtc_dev_attr_V14);
} else {
attr_ptr = tsens_mtc_dev_attr;
num_elem = ARRAY_SIZE(tsens_mtc_dev_attr);
}
for (i = 0; i < num_elem; i++) {
result = device_create_file(&tmdev->pdev->dev, &attr_ptr[i]);
if (result < 0)
goto error;
}
return result;
error:
for (i--; i >= 0; i--)
device_remove_file(&tmdev->pdev->dev, &attr_ptr[i]);
return result;
}
static int tsens_dbg_log_temp_reads(struct tsens_device *data, u32 id,
u32 dbg_type, int *temp)
{
struct tsens_sensor *sensor;
struct tsens_device *tmdev = NULL;
u32 idx = 0;
if (!data)
return -EINVAL;
pr_debug("%d %d\n", id, dbg_type);
tmdev = data;
sensor = &tmdev->sensor[id];
idx = tmdev->tsens_dbg.sensor_dbg_info[sensor->hw_id].idx;
tmdev->tsens_dbg.sensor_dbg_info[sensor->hw_id].temp[idx%10] = *temp;
tmdev->tsens_dbg.sensor_dbg_info[sensor->hw_id].time_stmp[idx%10] =
sched_clock();
idx++;
tmdev->tsens_dbg.sensor_dbg_info[sensor->hw_id].idx = idx;
return 0;
}
static int tsens_dbg_log_interrupt_timestamp(struct tsens_device *data,
u32 id, u32 dbg_type, int *val)
{
struct tsens_device *tmdev = NULL;
u32 idx = 0;
if (!data)
return -EINVAL;
pr_debug("%d %d\n", id, dbg_type);
tmdev = data;
/* debug */
idx = tmdev->tsens_dbg.irq_idx;
tmdev->tsens_dbg.irq_time_stmp[idx%10] =
sched_clock();
tmdev->tsens_dbg.irq_idx++;
return 0;
}
static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
u32 id, u32 dbg_type, int *val)
{
struct tsens_device *tmdev = NULL;
u32 loop = 0, i = 0;
uint32_t r1, r2, r3, r4, offset = 0;
unsigned int debug_dump;
unsigned int debug_id = 0, cntrl_id = 0;
void __iomem *srot_addr;
void __iomem *controller_id_addr;
void __iomem *debug_id_addr;
void __iomem *debug_data_addr;
if (!data)
return -EINVAL;
pr_debug("%d %d\n", id, dbg_type);
tmdev = data;
controller_id_addr = TSENS_CONTROLLER_ID(tmdev->tsens_tm_addr);
debug_id_addr = TSENS_DEBUG_CONTROL(tmdev->tsens_tm_addr);
debug_data_addr = TSENS_DEBUG_DATA(tmdev->tsens_tm_addr);
srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr);
cntrl_id = readl_relaxed(controller_id_addr);
pr_err("Controller_id: 0x%x\n", cntrl_id);
loop = 0;
i = 0;
debug_id = readl_relaxed(debug_id_addr);
writel_relaxed((debug_id | (i << 1) | 1),
TSENS_DEBUG_CONTROL(tmdev->tsens_tm_addr));
while (loop < TSENS_DEBUG_LOOP_COUNT_ID_0) {
debug_dump = readl_relaxed(debug_data_addr);
r1 = readl_relaxed(debug_data_addr);
r2 = readl_relaxed(debug_data_addr);
r3 = readl_relaxed(debug_data_addr);
r4 = readl_relaxed(debug_data_addr);
pr_err("cntrl:%d, bus-id:%d value:0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
cntrl_id, i, debug_dump, r1, r2, r3, r4);
loop++;
}
for (i = TSENS_DBG_BUS_ID_1; i <= TSENS_DBG_BUS_ID_15; i++) {
loop = 0;
debug_id = readl_relaxed(debug_id_addr);
debug_id = debug_id & TSENS_DEBUG_ID_MASK_1_4;
writel_relaxed((debug_id | (i << 1) | 1),
TSENS_DEBUG_CONTROL(tmdev->tsens_tm_addr));
while (loop < TSENS_DEBUG_LOOP_COUNT) {
debug_dump = readl_relaxed(debug_data_addr);
pr_err("cntrl:%d, bus-id:%d with value: 0x%x\n",
cntrl_id, i, debug_dump);
if (i == TSENS_DBG_BUS_ID_2)
usleep_range(
TSENS_DEBUG_BUS_ID2_MIN_CYCLE,
TSENS_DEBUG_BUS_ID2_MAX_CYCLE);
loop++;
}
}
pr_err("Start of TSENS TM dump\n");
for (i = 0; i < TSENS_DEBUG_OFFSET_RANGE; i++) {
r1 = readl_relaxed(controller_id_addr + offset);
r2 = readl_relaxed(controller_id_addr + (offset +
TSENS_DEBUG_OFFSET_WORD1));
r3 = readl_relaxed(controller_id_addr + (offset +
TSENS_DEBUG_OFFSET_WORD2));
r4 = readl_relaxed(controller_id_addr + (offset +
TSENS_DEBUG_OFFSET_WORD3));
pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
cntrl_id, offset, r1, r2, r3, r4);
offset += TSENS_DEBUG_OFFSET_ROW;
}
offset = 0;
pr_err("Start of TSENS SROT dump\n");
for (i = 0; i < TSENS_DEBUG_OFFSET_RANGE; i++) {
r1 = readl_relaxed(srot_addr + offset);
r2 = readl_relaxed(srot_addr + (offset +
TSENS_DEBUG_OFFSET_WORD1));
r3 = readl_relaxed(srot_addr + (offset +
TSENS_DEBUG_OFFSET_WORD2));
r4 = readl_relaxed(srot_addr + (offset +
TSENS_DEBUG_OFFSET_WORD3));
pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
cntrl_id, offset, r1, r2, r3, r4);
offset += TSENS_DEBUG_OFFSET_ROW;
}
loop = 0;
while (loop < TSENS_DEBUG_LOOP_COUNT) {
offset = TSENS_DEBUG_OFFSET_ROW *
TSENS_DEBUG_STATUS_REG_START;
pr_err("Start of TSENS TM dump %d\n", loop);
/* Limited dump of the registers for the temperature */
for (i = 0; i < TSENS_DEBUG_LOOP_COUNT; i++) {
r1 = readl_relaxed(controller_id_addr + offset);
r2 = readl_relaxed(controller_id_addr +
(offset + TSENS_DEBUG_OFFSET_WORD1));
r3 = readl_relaxed(controller_id_addr +
(offset + TSENS_DEBUG_OFFSET_WORD2));
r4 = readl_relaxed(controller_id_addr +
(offset + TSENS_DEBUG_OFFSET_WORD3));
pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
cntrl_id, offset, r1, r2, r3, r4);
offset += TSENS_DEBUG_OFFSET_ROW;
}
loop++;
}
return 0;
}
static struct tsens_dbg_func dbg_arr[] = {
[TSENS_DBG_LOG_TEMP_READS] = {tsens_dbg_log_temp_reads},
[TSENS_DBG_LOG_INTERRUPT_TIMESTAMP] = {
tsens_dbg_log_interrupt_timestamp},
[TSENS_DBG_LOG_BUS_ID_DATA] = {tsens_dbg_log_bus_id_data},
[TSENS_DBG_MTC_DATA] = {tsens_dbg_mtc_data},
};
int tsens2xxx_dbg(struct tsens_device *data, u32 id, u32 dbg_type, int *val)
{
if (dbg_type >= TSENS_DBG_LOG_MAX)
return -EINVAL;
dbg_arr[dbg_type].dbg_func(data, id, dbg_type, val);
return 0;
}
EXPORT_SYMBOL(tsens2xxx_dbg);