thermal: tsens: Add IPC logging support for TSENS
Add IPC logging support for TSENS. Dump all TSENS registers into IPC when TSENS reset occurs without recovery by self-reset. Change-Id: I379a521ffd2a65a87bd69b6ef37c71b779345183 Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
This commit is contained in:
Jishnu Prakash
parent
6e9f8d3097
commit
684df7009f
@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#include <linux/err.h>
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@ -157,6 +157,8 @@ static int get_device_tree_data(struct platform_device *pdev,
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return PTR_ERR(tmdev->tsens_tm_addr);
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}
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tmdev->phys_addr_tm = res_tsens_mem->start;
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/* TSENS eeprom register region */
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res_tsens_mem = platform_get_resource_byname(pdev,
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IORESOURCE_MEM, "tsens_eeprom_physical");
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@ -224,6 +226,7 @@ int tsens_tm_probe(struct platform_device *pdev)
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{
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struct tsens_device *tmdev = NULL;
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int rc;
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char tsens_name[40];
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if (!(pdev->dev.of_node))
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return -ENODEV;
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@ -260,6 +263,33 @@ int tsens_tm_probe(struct platform_device *pdev)
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return rc;
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}
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snprintf(tsens_name, sizeof(tsens_name), "tsens_%pa_0",
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&tmdev->phys_addr_tm);
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tmdev->ipc_log0 = ipc_log_context_create(IPC_LOGPAGES,
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tsens_name, 0);
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if (!tmdev->ipc_log0)
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pr_err("%s : unable to create IPC Logging 0 for tsens %pa\n",
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__func__, &tmdev->phys_addr_tm);
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snprintf(tsens_name, sizeof(tsens_name), "tsens_%pa_1",
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&tmdev->phys_addr_tm);
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tmdev->ipc_log1 = ipc_log_context_create(IPC_LOGPAGES,
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tsens_name, 0);
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if (!tmdev->ipc_log1)
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pr_err("%s : unable to create IPC Logging 1 for tsens %pa\n",
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__func__, &tmdev->phys_addr_tm);
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snprintf(tsens_name, sizeof(tsens_name), "tsens_%pa_2",
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&tmdev->phys_addr_tm);
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tmdev->ipc_log2 = ipc_log_context_create(IPC_LOGPAGES,
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tsens_name, 0);
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if (!tmdev->ipc_log2)
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pr_err("%s : unable to create IPC Logging 2 for tsens %pa\n",
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__func__, &tmdev->phys_addr_tm);
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list_add_tail(&tmdev->list, &tsens_device_list);
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platform_set_drvdata(pdev, tmdev);
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@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#include <asm/arch_timer.h>
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@ -244,6 +244,8 @@ static int tsens_dbg_log_temp_reads(struct tsens_device *data, u32 id,
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idx++;
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tmdev->tsens_dbg.sensor_dbg_info[sensor->hw_id].idx = idx;
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TSENS_DBG(tmdev, "Sensor_id: %d temp: %d\n", id, *temp);
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return 0;
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}
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@ -291,7 +293,7 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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srot_addr = TSENS_CTRL_ADDR(tmdev->tsens_srot_addr);
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cntrl_id = readl_relaxed(controller_id_addr);
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pr_err("Controller_id: 0x%x\n", cntrl_id);
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TSENS_DUMP(tmdev, "TSENS Controller_id: 0x%x\n", cntrl_id);
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loop = 0;
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i = 0;
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@ -304,8 +306,11 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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r2 = readl_relaxed(debug_data_addr);
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r3 = readl_relaxed(debug_data_addr);
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r4 = readl_relaxed(debug_data_addr);
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pr_err("cntrl:%d, bus-id:%d value:0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
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TSENS_DUMP(tmdev,
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"ctl:%d, bus-id:%d val:0x%x, 0x%x, 0x%x, 0x%x, 0x%x\n",
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cntrl_id, i, debug_dump, r1, r2, r3, r4);
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loop++;
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}
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@ -317,8 +322,9 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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TSENS_DEBUG_CONTROL(tmdev->tsens_tm_addr));
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while (loop < TSENS_DEBUG_LOOP_COUNT) {
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debug_dump = readl_relaxed(debug_data_addr);
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pr_err("cntrl:%d, bus-id:%d with value: 0x%x\n",
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cntrl_id, i, debug_dump);
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TSENS_DUMP(tmdev,
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"cntrl:%d, bus-id:%d with value: 0x%x\n",
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cntrl_id, i, debug_dump);
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if (i == TSENS_DBG_BUS_ID_2)
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usleep_range(
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TSENS_DEBUG_BUS_ID2_MIN_CYCLE,
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@ -327,7 +333,9 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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}
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}
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pr_err("Start of TSENS TM dump\n");
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TSENS_DUMP(tmdev, "Start of TSENS TM dump for ctr 0x%x\n",
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cntrl_id);
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for (i = 0; i < TSENS_DEBUG_OFFSET_RANGE; i++) {
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r1 = readl_relaxed(controller_id_addr + offset);
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r2 = readl_relaxed(controller_id_addr + (offset +
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@ -337,13 +345,16 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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r4 = readl_relaxed(controller_id_addr + (offset +
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TSENS_DEBUG_OFFSET_WORD3));
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pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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TSENS_DUMP(tmdev,
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"ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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offset += TSENS_DEBUG_OFFSET_ROW;
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}
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offset = 0;
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pr_err("Start of TSENS SROT dump\n");
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TSENS_DUMP(tmdev, "Start of TSENS SROT dump for ctr 0x%x\n",
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cntrl_id);
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for (i = 0; i < TSENS_DEBUG_OFFSET_RANGE; i++) {
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r1 = readl_relaxed(srot_addr + offset);
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r2 = readl_relaxed(srot_addr + (offset +
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@ -353,8 +364,9 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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r4 = readl_relaxed(srot_addr + (offset +
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TSENS_DEBUG_OFFSET_WORD3));
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pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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TSENS_DUMP(tmdev,
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"ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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offset += TSENS_DEBUG_OFFSET_ROW;
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}
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@ -362,7 +374,8 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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while (loop < TSENS_DEBUG_LOOP_COUNT) {
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offset = TSENS_DEBUG_OFFSET_ROW *
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TSENS_DEBUG_STATUS_REG_START;
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pr_err("Start of TSENS TM dump %d\n", loop);
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TSENS_DUMP(tmdev, "Start of TSENS TM dump %d\n",
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loop);
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/* Limited dump of the registers for the temperature */
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for (i = 0; i < TSENS_DEBUG_LOOP_COUNT; i++) {
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r1 = readl_relaxed(controller_id_addr + offset);
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@ -373,8 +386,9 @@ static int tsens_dbg_log_bus_id_data(struct tsens_device *data,
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r4 = readl_relaxed(controller_id_addr +
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(offset + TSENS_DEBUG_OFFSET_WORD3));
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pr_err("ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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TSENS_DUMP(tmdev,
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"ctrl:%d:0x%08x 0x%08x 0x%08x 0x%08x 0x%08x\n",
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cntrl_id, offset, r1, r2, r3, r4);
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offset += TSENS_DEBUG_OFFSET_ROW;
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}
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loop++;
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@ -1,6 +1,6 @@
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
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*/
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#ifndef __QCOM_TSENS_H__
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@ -13,6 +13,7 @@
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#include <linux/workqueue.h>
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#include <linux/io.h>
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#include <linux/delay.h>
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#include <linux/ipc_logging.h>
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#define DEBUG_SIZE 10
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#define TSENS_MAX_SENSORS 16
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@ -29,6 +30,8 @@
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#define SLOPE_FACTOR 1000
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#define SLOPE_DEFAULT 3200
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#define IPC_LOGPAGES 10
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enum tsens_dbg_type {
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TSENS_DBG_POLL,
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TSENS_DBG_LOG_TEMP_READS,
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@ -42,6 +45,54 @@ enum tsens_dbg_type {
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struct tsens_device;
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#ifdef CONFIG_DEBUG_FS
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#define TSENS_IPC(idx, dev, msg, args...) do { \
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if (dev) { \
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if ((idx == 0) && (dev)->ipc_log0) \
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ipc_log_string((dev)->ipc_log0, \
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"%s: " msg, __func__, args); \
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else if ((idx == 1) && (dev)->ipc_log1) \
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ipc_log_string((dev)->ipc_log1, \
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"%s: " msg, __func__, args); \
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else if ((idx == 2) && (dev)->ipc_log2) \
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ipc_log_string((dev)->ipc_log2, \
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"%s: " msg, __func__, args); \
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else \
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pr_debug("tsens: invalid logging index\n"); \
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} \
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} while (0)
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#define TSENS_DUMP(dev, msg, args...) do { \
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TSENS_IPC(2, dev, msg, args); \
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pr_info(msg, ##args); \
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} while (0)
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#define TSENS_ERR(dev, msg, args...) do { \
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pr_err(msg, ##args); \
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TSENS_IPC(1, dev, msg, args); \
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} while (0)
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#define TSENS_INFO(dev, msg, args...) do { \
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pr_info(msg, ##args); \
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TSENS_IPC(1, dev, msg, args); \
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} while (0)
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#define TSENS_DBG(dev, msg, args...) do { \
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pr_debug(msg, ##args); \
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if (dev) { \
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TSENS_IPC(0, dev, msg, args); \
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} \
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} while (0)
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#define TSENS_DBG1(dev, msg, args...) do { \
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pr_debug(msg, ##args); \
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if (dev) { \
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TSENS_IPC(1, dev, msg, args); \
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} \
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} while (0)
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#else
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#define TSENS_DBG1(x...) pr_debug(x)
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#define TSENS_DBG(x...) pr_debug(x)
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#define TSENS_INFO(x...) pr_info(x)
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#define TSENS_ERR(x...) pr_err(x)
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#define TSENS_DUMP(x...) pr_info(x)
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#endif
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#if defined(CONFIG_THERMAL_TSENS)
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int tsens2xxx_dbg(struct tsens_device *data, u32 id, u32 dbg_type, int *temp);
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#else
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@ -147,11 +198,16 @@ struct tsens_device {
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void __iomem *tsens_tm_addr;
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void __iomem *tsens_calib_addr;
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const struct tsens_ops *ops;
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void *ipc_log0;
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void *ipc_log1;
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void *ipc_log2;
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phys_addr_t phys_addr_tm;
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struct tsens_dbg_context tsens_dbg;
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spinlock_t tsens_crit_lock;
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spinlock_t tsens_upp_low_lock;
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const struct tsens_data *ctrl_data;
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struct tsens_mtc_sysfs mtcsys;
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int trdy_fail_ctr;
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struct tsens_sensor sensor[0];
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};
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@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
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* Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.
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*/
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#include <linux/module.h>
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@ -88,10 +88,22 @@ static int tsens2xxx_get_temp(struct tsens_sensor *sensor, int *temp)
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code = readl_relaxed_no_log(trdy);
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if (!((code & TSENS_TM_TRDY_FIRST_ROUND_COMPLETE) >>
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TSENS_TM_TRDY_FIRST_ROUND_COMPLETE_SHIFT)) {
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pr_err("TSENS device first round not complete0x%x\n", code);
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pr_err("tsens device first round not complete0x%x, ctr is %d\n",
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code, tmdev->trdy_fail_ctr);
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tmdev->trdy_fail_ctr++;
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if (tmdev->trdy_fail_ctr >= 50) {
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if (tmdev->ops->dbg)
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tmdev->ops->dbg(tmdev, 0,
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TSENS_DBG_LOG_BUS_ID_DATA, NULL);
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BUG();
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}
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return -ENODATA;
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}
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tmdev->trdy_fail_ctr = 0;
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code = readl_relaxed_no_log(sensor_addr +
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(sensor->hw_id << TSENS_STATUS_ADDR_OFFSET));
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last_temp = code & TSENS_TM_SN_LAST_TEMP_MASK;
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