unplugged-kernel/drivers/misc/mediatek/eccci/mt6761/ccci_platform.c

129 lines
3.0 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2019 MediaTek Inc.
*/
#include <linux/platform_device.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#ifdef CONFIG_OF
#include <linux/of.h>
#include <linux/of_fdt.h>
#include <linux/of_irq.h>
#include <linux/of_address.h>
#endif
#include <mt-plat/mtk_ccci_common.h>
#include "ccci_config.h"
#include "ccci_common_config.h"
#include "ccci_modem.h"
#include "ccci_bm.h"
#include "ccci_platform.h"
#ifdef FEATURE_USING_4G_MEMORY_API
#include <mt-plat/mtk_lpae.h>
#endif
#define TAG "plat"
#ifdef FEATURE_LOW_BATTERY_SUPPORT
static int ccci_md_low_power_notify(
struct ccci_modem *md, LOW_POEWR_NOTIFY_TYPE type, int level)
{
unsigned int reserve = 0xFFFFFFFF;
int ret = 0;
CCCI_NORMAL_LOG(md->index, TAG,
"low power notification type=%d, level=%d\n", type, level);
/*
* byte3 byte2 byte1 byte0
* 0 4G 3G 2G
*/
switch (type) {
case LOW_BATTERY:
if (level == LOW_BATTERY_LEVEL_0)
reserve = 0; /* 0 */
else if (level == LOW_BATTERY_LEVEL_1
|| level == LOW_BATTERY_LEVEL_2)
reserve = (1 << 6); /* 64 */
ret = port_proxy_send_msg_to_md(md->port_proxy,
CCCI_SYSTEM_TX, MD_LOW_BATTERY_LEVEL, reserve, 1);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"send low battery notification fail, ret=%d\n", ret);
break;
case BATTERY_PERCENT:
if (level == BATTERY_PERCENT_LEVEL_0)
reserve = 0; /* 0 */
else if (level == BATTERY_PERCENT_LEVEL_1)
reserve = (1 << 6); /* 64 */
ret = port_proxy_send_msg_to_md(md->port_proxy,
CCCI_SYSTEM_TX, MD_LOW_BATTERY_LEVEL, reserve, 1);
if (ret)
CCCI_ERROR_LOG(md->index, TAG,
"send battery percent info fail, ret=%d\n", ret);
break;
default:
break;
};
return ret;
}
static void ccci_md_low_battery_cb(LOW_BATTERY_LEVEL level)
{
int idx = 0;
struct ccci_modem *md;
for (idx = 0; idx < MAX_MD_NUM; idx++) {
md = ccci_md_get_modem_by_id(idx);
if (md != NULL)
ccci_md_low_power_notify(md, LOW_BATTERY, level);
}
}
static void ccci_md_battery_percent_cb(BATTERY_PERCENT_LEVEL level)
{
int idx = 0;
struct ccci_modem *md;
for (idx = 0; idx < MAX_MD_NUM; idx++) {
md = ccci_md_get_modem_by_id(idx);
if (md != NULL)
ccci_md_low_power_notify(md, BATTERY_PERCENT, level);
}
}
#endif
int ccci_platform_init(struct ccci_modem *md)
{
struct device_node *node;
/* Get infra cfg ao base */
node = of_find_compatible_node(NULL, NULL,
"mediatek,mt6761-infracfg");
md_cd_plat_val_ptr.infra_ao_base = of_iomap(node, 0);
if (!md_cd_plat_val_ptr.infra_ao_base) {
CCCI_ERROR_LOG(md->index, TAG,
"%s: infra_ao_base of_iomap failed\n", node->full_name);
return -1;
}
CCCI_INIT_LOG(-1, TAG, "infra_ao_base:0x%p\n",
(void *)md_cd_plat_val_ptr.infra_ao_base);
#ifdef FEATURE_LOW_BATTERY_SUPPORT
register_low_battery_notify(
&ccci_md_low_battery_cb, LOW_BATTERY_PRIO_MD);
register_battery_percent_notify(
&ccci_md_battery_percent_cb, BATTERY_PERCENT_PRIO_MD);
#endif
return 0;
}
void ccci_platform_init_6761(struct ccci_modem *md)
{
ccci_platform_init(md);
}