443 lines
12 KiB
C
443 lines
12 KiB
C
/*
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* Copyright (c) 202X Amlogic, Inc. All rights reserved.
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*
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* This source code is subject to the terms and conditions defined in the
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* file 'LICENSE' which is part of this source code package.
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*
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* Description:
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/types.h>
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#include <linux/sched.h>
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#include <linux/errno.h>
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#include <linux/skbuff.h>
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#include <linux/usb.h>
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#include <linux/cdev.h>
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#include <linux/ioctl.h>
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#include <linux/compat.h>
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#include <linux/io.h>
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#include <linux/firmware.h>
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#include <linux/vmalloc.h>
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#include <linux/fs.h>
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#include <linux/uaccess.h>
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#include <linux/reboot.h>
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#include <linux/time.h>
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#include <linux/ktime.h>
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#include <linux/kthread.h>
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#include <linux/semaphore.h>
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#include <linux/poll.h>
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#include <linux/platform_device.h>
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#include <linux/hrtimer.h>
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#include <linux/wait.h>
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#include <linux/spinlock.h>
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#include <linux/pm_wakeup.h>
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#include <linux/amlogic/pm.h>
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#include <linux/ctype.h>
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#include <linux/version.h>
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#include "common.h"
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#include "rc_list.h"
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#define RG_AON_A24 0xf00060
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#define AML_ADDR_CPU 0
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#define AML_ADDR_AON 1
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#define AML_ADDR_MAC 2
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static ws_inf p_ws_inf = NULL;
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static rs_inf p_rs_inf = NULL;
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static wrs_sdio_inf p_ws_sdio_inf = NULL;
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static wrs_sdio_inf p_rs_sdio_inf = NULL;
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static rc_list_t rc_list[MAX_MAC_LIST] = {0};
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static list_bt_t list_dev = {0};
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extern uint32_t aml_pci_read_for_bt(int base, u32 offset);
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extern void aml_pci_write_for_bt(u32 val, int base, u32 offset);
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static ssize_t rc_list_read(struct device *dev,
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struct device_attribute *attr,
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char *buf);
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static ssize_t rc_list_write(struct device *dev,
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struct device_attribute *attr,
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const char *buf,
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size_t count);
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static void amlbt_wakeup_mutex(unsigned int flag)
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{
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list_bt_t *p_bt = &list_dev;
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if (flag)
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{
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// Wake up the system and prevent it from entering
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if (p_bt->amlbt_wakeup_source && (!p_bt->amlbt_wakeup_source->active))
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{
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__pm_stay_awake(p_bt->amlbt_wakeup_source);
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}
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else
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{
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BTF("amlbt_wakeup_source is not initialized or active already\n");
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}
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}
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else
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{
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if (p_bt->amlbt_wakeup_source && p_bt->amlbt_wakeup_source->active)
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{
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__pm_relax(p_bt->amlbt_wakeup_source);
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}
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else
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{
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BTF("amlbt_wakeup_source is not initialized or not active\n");
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}
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}
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p_bt->wake_mux = flag;
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BTI("system state updated: %d\n", flag);
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}
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void amlbt_wakeup_lock(void)
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{
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int i =0 ;
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list_bt_t *p_bt = &list_dev;
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if (!p_bt->wake_mux)
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{
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for (i = 0; i < MAX_MAC_LIST; i++)
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{
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if (rc_list[i].used)
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{
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amlbt_wakeup_mutex(1);
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break;
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}
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}
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}
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}
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void amlbt_wakeup_unlock(void)
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{
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list_bt_t *p_bt = &list_dev;
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if (p_bt->wake_mux)
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{
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amlbt_wakeup_mutex(0);
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}
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}
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static struct device_attribute dev_attr_rc_list = {
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.attr = { .name = AML_BT_CHAR_RCLIST_NAME, .mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH },
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.show = rc_list_read,
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.store = rc_list_write,
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};
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static void mac_to_str(char *buf, const char *mac)
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{
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sprintf(buf, "%02x:%02x:%02x:%02x:%02x:%02x;",
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mac[0] & 0xFF, mac[1] & 0xFF, mac[2] & 0xFF,
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mac[3] & 0xFF, mac[4] & 0xFF, mac[5] & 0xFF);
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}
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static ssize_t rc_list_read(struct device *dev, struct device_attribute *attr, char *buf)
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{
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int i, len = 0;
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char mac_str[18];
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for (i = 0; i < MAX_MAC_LIST; i++) {
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if (rc_list[i].used) {
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mac_to_str(mac_str, rc_list[i].mac);
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len += sprintf(buf + len, "%.18s\n", mac_str);
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}
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}
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return len;
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}
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static int amlbt_add_rc_list(char *mac)
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{
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unsigned int i = 0;
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BTF("%s \n", __func__);
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for (i = 0; i < MAX_MAC_LIST; i++)
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{
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if (!rc_list[i].used)
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{
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BTP("amlbt_add_rc_list %d\n", i);
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rc_list[i].used = 1;
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memcpy(rc_list[i].mac, mac, MAC_ADDR_LEN);
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BTP("amlbt_add_rc_list success\n");
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BTP("%#x\n",rc_list[i].mac[0]);
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BTP("%#x\n",rc_list[i].mac[1]);
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BTP("%#x\n",rc_list[i].mac[2]);
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BTP("%#x\n",rc_list[i].mac[3]);
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BTP("%#x\n",rc_list[i].mac[4]);
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BTP("%#x\n",rc_list[i].mac[5]);
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BTF("mac:[%#x,%#x,%#x,%#x,%#x,%#x]\n", rc_list[i].mac[0], rc_list[i].mac[1], rc_list[i].mac[2],
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rc_list[i].mac[3],rc_list[i].mac[4],rc_list[i].mac[5]);
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return 1;
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}
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}
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BTE("%s list full!!\n", __func__);
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return 0;
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}
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static ssize_t rc_list_write(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
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{
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char *mac_str = NULL;
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char *mac_token = NULL;
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char *mac_byte_str = NULL;
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char mac[MAC_ADDR_LEN] = {0};
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unsigned int i = 0, j = 0;
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BTF("rc_list_write count:%d\n", count);
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if (count > MAX_USER_BUF_LEN)
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{
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BTE("rc_list too long!:%d, %d\n", count, MAX_USER_BUF_LEN);
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amlbt_wakeup_unlock();
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return -ENOMEM;
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}
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memset(rc_list, 0, sizeof(rc_list));
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mac_str = (char *)buf;
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while ((mac_token = strsep(&mac_str, ";")) != NULL)
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{
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BTI("mac_token length: %d\n", strlen(mac_token));
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if (strlen(mac_token) == 0)
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{
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BTE("NULL str\n");
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continue;
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}
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if (strlen(mac_token) != MAC_ADDR_LEN * 2 + 5)
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{
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BTE("Invalid MAC address length: %s\n", mac_token);
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break;
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}
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for (i = 0, j = 0; i < MAC_ADDR_LEN; i++, j += 3)
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{
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mac_byte_str = &mac_token[j];
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if (mac_token[j + 2] != ':' && j != 15)
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{
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BTE("Invalid MAC address format: %s\n", mac_token);
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return -EINVAL;
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}
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mac[i] = simple_strtoul(mac_byte_str, NULL, 16);
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}
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BTF("parsed mac: [%#x,%#x,%#x,%#x,%#x,%#x]\n",
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mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
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amlbt_add_rc_list(mac);
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amlbt_wakeup_unlock();
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}
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return count;
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}
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/*
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static int amlbt_check_mac_exist(char *mac)
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{
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unsigned int i = 0;
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for (i = 0; i < MAX_MAC_LIST; i++)
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{
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if (rc_list[i].used && !memcmp(mac, rc_list[i].mac, MAC_ADDR_LEN))
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{
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BTE("%s mac exist!!\n", __func__);
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return 1;
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}
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}
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return 0;
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}
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*/
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/*
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static int amlbt_del_rc_list(char *mac)
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{
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unsigned int i = 0;
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for (i = 0; i < MAX_MAC_LIST; i++)
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{
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if (rc_list[i].used && !memcmp(mac, rc_list[i].mac, MAC_ADDR_LEN))
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{
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rc_list[i].used = 0;
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memset(rc_list[i].mac, 0, MAC_ADDR_LEN);
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return 1;
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}
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}
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BTE("%s rc addr not found!!\n", __func__);
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return 0;
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}
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*/
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int amlbt_write_rclist_to_firmware(void)
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{
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unsigned int i = 0;
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int ret = 0;
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int offset = 0;
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unsigned int list_reg = 0;
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char mac[MAC_ADDR_LEN*MAX_MAC_LIST] = {0};
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BTF("%s\n", __func__);
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for (i = 0; i < MAX_MAC_LIST; i++)
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{
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if (rc_list[i].used)
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{
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memcpy(&mac[i*MAC_ADDR_LEN], rc_list[i].mac, MAC_ADDR_LEN);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN]);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN+1]);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN+2]);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN+3]);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN+4]);
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BTP("%#x\n",mac[i*MAC_ADDR_LEN+5]);
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BTF("mac:[%#x,%#x,%#x,%#x,%#x,%#x]\n", mac[i*MAC_ADDR_LEN], mac[i*MAC_ADDR_LEN+1], mac[i*MAC_ADDR_LEN+2],
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mac[i*MAC_ADDR_LEN+3],mac[i*MAC_ADDR_LEN+4],mac[i*MAC_ADDR_LEN+5]);
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}
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}
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if (INTF_TYPE_IS_PCIE(amlbt_if_type))
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{
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while (offset < MAC_ADDR_LEN*MAX_MAC_LIST)
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{
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list_reg = ((mac[offset+3] << 24) | (mac[offset+2] << 16) | (mac[offset+1] << 8) | mac[offset]);
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aml_pci_write_for_bt(list_reg, AML_ADDR_CPU, FIFO_FW_RC_LIST_ADDR+offset);
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offset += 4;
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}
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}
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else if (INTF_TYPE_IS_SDIO(amlbt_if_type))
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{
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p_ws_sdio_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST);
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}
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else if (INTF_TYPE_IS_USB(amlbt_if_type))
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{
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ret = p_ws_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST, USB_EP2);
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if (ret != 0)
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{
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goto err_exit;
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}
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}
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memset(mac, 0, sizeof(mac));
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if (INTF_TYPE_IS_PCIE(amlbt_if_type))
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{
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offset = 0;
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while (offset < MAC_ADDR_LEN*MAX_MAC_LIST)
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{
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list_reg = aml_pci_read_for_bt(AML_ADDR_CPU, FIFO_FW_RC_LIST_ADDR+offset);
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mac[offset] = (list_reg & 0xff);
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mac[offset+1] = ((list_reg >> 8) & 0xff);
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mac[offset+2] = ((list_reg >> 16) & 0xff);
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mac[offset+3] = ((list_reg>> 24) & 0xff);
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offset += 4;
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}
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}
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if (INTF_TYPE_IS_SDIO(amlbt_if_type))
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{
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p_rs_sdio_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST);
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}
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else if (INTF_TYPE_IS_USB(amlbt_if_type))
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{
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ret = p_rs_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST, USB_EP2);
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if (ret != 0)
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{
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goto err_exit;
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}
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}
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BTP("%#x\n",mac[0]);
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BTP("%#x\n",mac[1]);
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BTP("%#x\n",mac[2]);
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BTP("%#x\n",mac[3]);
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BTP("%#x\n",mac[4]);
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BTP("%#x\n",mac[5]);
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BTF("rclist:[%#x,%#x,%#x,%#x,%#x,%#x]\n", mac[0], mac[1], mac[2],mac[3],mac[4],mac[5]);
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return ret;
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err_exit:
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return ret;
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}
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void amlbt_clear_rclist_from_firmware(void)
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{
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unsigned int offset = 0;
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unsigned int list_reg = 0;
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char mac[MAC_ADDR_LEN*MAX_MAC_LIST] = {0};
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BTF("%s\n", __func__);
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if (INTF_TYPE_IS_PCIE(amlbt_if_type))
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{
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while (offset < MAC_ADDR_LEN*MAX_MAC_LIST)
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{
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list_reg = ((mac[offset+3] << 24) | (mac[offset+2] << 16) | (mac[offset+1] << 8) | mac[offset]);
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aml_pci_write_for_bt(list_reg, AML_ADDR_CPU, FIFO_FW_RC_LIST_ADDR+offset);
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offset += 4;
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}
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}
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if (INTF_TYPE_IS_SDIO(amlbt_if_type))
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{
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p_ws_sdio_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST);
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}
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else if (INTF_TYPE_IS_USB(amlbt_if_type))
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{
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p_ws_inf(mac, (unsigned char *)(unsigned long)FIFO_FW_RC_LIST_ADDR, MAC_ADDR_LEN*MAX_MAC_LIST, USB_EP2);
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}
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}
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static void amlbt_register_wakeupsource(void)
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{
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#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 4, 0)
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list_dev.amlbt_wakeup_source = wakeup_source_register("amlbt_wakeup_source");
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#else
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list_dev.amlbt_wakeup_source = wakeup_source_register(NULL, "amlbt_wakeup_source");
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#endif
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if (!list_dev.amlbt_wakeup_source)
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{
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BTE("Failed to create wakeup source\n");
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return ;
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}
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}
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static void amlbt_unregister_wakeupsource(void)
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{
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if (list_dev.amlbt_wakeup_source)
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{
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wakeup_source_unregister(list_dev.amlbt_wakeup_source);
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list_dev.amlbt_wakeup_source = NULL;
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}
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else
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{
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BTE("amlbt_wakeup_source is not initialized, unregistering is not required.\n");
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}
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}
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int amlbt_rc_list_init(struct device *dev, \
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ws_inf p_ws_func, \
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rs_inf p_rs_func, \
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wrs_sdio_inf p_ws_sdio_func, \
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wrs_sdio_inf p_rs_sdio_func)
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{
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int res = 0;
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BTF("%s\n", __func__);
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res = device_create_file(dev, &dev_attr_rc_list);
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if (res)
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{
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BTE("%s:Failed to create device attribute\n", __func__);
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}
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else
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{
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p_ws_inf = p_ws_func;
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p_rs_inf = p_rs_func;
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p_ws_sdio_inf = p_ws_sdio_func;
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p_rs_sdio_inf = p_rs_sdio_func;
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amlbt_register_wakeupsource();
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}
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return res;
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}
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void amlbt_rc_list_deinit(struct device *dev)
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{
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BTF("%s\n", __func__);
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amlbt_unregister_wakeupsource();
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device_remove_file(dev, &dev_attr_rc_list);
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}
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