302 lines
6.9 KiB
C
302 lines
6.9 KiB
C
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/*
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* Copyright (C) 2019 Samsung Electronics.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __MODEM_PRJ_H__
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#define __MODEM_PRJ_H__
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/platform_device.h>
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#include <linux/miscdevice.h>
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#include <linux/skbuff.h>
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#include <linux/wait.h>
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#include <linux/spinlock.h>
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#include <linux/cdev.h>
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#include <linux/gpio.h>
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#include <linux/irq.h>
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#include <linux/interrupt.h>
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#define DEBUG_MODEM_IF
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#ifdef DEBUG_MODEM_IF
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#if 1
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#define DEBUG_MODEM_IF_LINK_TX
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#endif
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#if 1
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#define DEBUG_MODEM_IF_LINK_RX
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#endif
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#if defined(DEBUG_MODEM_IF_LINK_TX) && defined(DEBUG_MODEM_IF_LINK_RX)
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#define DEBUG_MODEM_IF_LINK_HEADER
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#endif
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#if 0
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#define DEBUG_MODEM_IF_IODEV_TX
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#endif
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#if 0
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#define DEBUG_MODEM_IF_IODEV_RX
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#endif
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#if 0
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#define DEBUG_MODEM_IF_FLOW_CTRL
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#endif
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#if 0
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#define DEBUG_MODEM_IF_PS_DATA
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#endif
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#if 0
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#define DEBUG_MODEM_IF_IP_DATA
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#endif
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#endif
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/*
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IOCTL commands
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*/
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#define IOCTL_MODEM_ON _IO('o', 0x19)
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#define IOCTL_MODEM_OFF _IO('o', 0x20)
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#define IOCTL_MODEM_RESET _IO('o', 0x21)
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#define IOCTL_MODEM_BOOT_ON _IO('o', 0x22)
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#define IOCTL_MODEM_BOOT_OFF _IO('o', 0x23)
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#define IOCTL_MODEM_BOOT_DONE _IO('o', 0x24)
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#define IOCTL_MODEM_PROTOCOL_SUSPEND _IO('o', 0x25)
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#define IOCTL_MODEM_PROTOCOL_RESUME _IO('o', 0x26)
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#define IOCTL_MODEM_STATUS _IO('o', 0x27)
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#define IOCTL_MODEM_DL_START _IO('o', 0x28)
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#define IOCTL_MODEM_FW_UPDATE _IO('o', 0x29)
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#define IOCTL_MODEM_NET_SUSPEND _IO('o', 0x30)
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#define IOCTL_MODEM_NET_RESUME _IO('o', 0x31)
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#define IOCTL_MODEM_DUMP_START _IO('o', 0x32)
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#define IOCTL_MODEM_DUMP_UPDATE _IO('o', 0x33)
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#define IOCTL_MODEM_FORCE_CRASH_EXIT _IO('o', 0x34)
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#define IOCTL_MODEM_CP_UPLOAD _IO('o', 0x35)
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#define IOCTL_LINK_CONNECTED _IO('o', 0x33)
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#define IOCTL_MODEM_SET_TX_LINK _IO('o', 0x37)
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#define IOCTL_MODEM_RAMDUMP_START _IO('o', 0xCE)
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#define IOCTL_MODEM_RAMDUMP_STOP _IO('o', 0xCF)
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#define IOCTL_MODEM_XMIT_BOOT _IO('o', 0x40)
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#ifdef CONFIG_LINK_DEVICE_SHMEM
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#define IOCTL_MODEM_GET_SHMEM_INFO _IO('o', 0x41)
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#endif
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#define IOCTL_DPRAM_INIT_STATUS _IO('o', 0x43)
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#define IOCTL_LINK_DEVICE_RESET _IO('o', 0x44)
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#ifdef CONFIG_LINK_DEVICE_SHMEM
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#define IOCTL_MODEM_GET_SHMEM_SRINFO _IO('o', 0x45)
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#define IOCTL_MODEM_SET_SHMEM_SRINFO _IO('o', 0x46)
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#endif
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/* ioctl command for IPC Logger */
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#define IOCTL_MIF_LOG_DUMP _IO('o', 0x51)
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#define IOCTL_MIF_DPRAM_DUMP _IO('o', 0x52)
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#define IOCTL_SECURITY_REQ _IO('o', 0x53) /* Request smc_call */
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#define IOCTL_SHMEM_FULL_DUMP _IO('o', 0x54) /* For shmem dump */
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#define IOCTL_MODEM_CRASH_REASON _IO('o', 0x55) /* Get Crash Reason */
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/*
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Definitions for IO devices
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*/
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#define MAX_IOD_RXQ_LEN 2048
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#define CP_CRASH_INFO_SIZE 512
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#define CP_CRASH_TAG "CP Crash "
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#define IPv6 6
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#define SOURCE_MAC_ADDR {0x12, 0x34, 0x56, 0x78, 0x9A, 0xBC}
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/* Loopback */
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#define CP2AP_LOOPBACK_CHANNEL 30
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#define DATA_LOOPBACK_CHANNEL 31
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#define DATA_DRAIN_CHANNEL 30 /* Drain channel to drop RX packets */
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/* Debugging features */
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#define MIF_LOG_DIR "/sdcard/log"
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#define MIF_MAX_PATH_LEN 256
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/* Does modem ctl structure will use state ? or status defined below ?*/
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enum modem_state {
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STATE_OFFLINE,
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STATE_CRASH_RESET, /* silent reset */
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STATE_CRASH_EXIT, /* cp ramdump */
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STATE_BOOTING,
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STATE_ONLINE,
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STATE_NV_REBUILDING, /* <= rebuilding start */
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STATE_LOADER_DONE,
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STATE_SIM_ATTACH,
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STATE_SIM_DETACH,
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STATE_CRASH_WATCHDOG, /* cp watchdog crash */
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};
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enum link_state {
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LINK_STATE_OFFLINE = 0,
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LINK_STATE_IPC,
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LINK_STATE_CP_CRASH
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};
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struct sim_state {
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bool online; /* SIM is online? */
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bool changed; /* online is changed? */
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};
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enum cp_boot_mode {
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CP_BOOT_MODE_NORMAL,
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CP_BOOT_MODE_DUMP,
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CP_BOOT_RE_INIT,
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MAX_CP_BOOT_MODE
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};
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struct sec_info {
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enum cp_boot_mode mode;
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u32 size;
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};
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enum mem_info {
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MAGIC_CODE = 16,
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CP_MEM,
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SHM_MEM
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};
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#define SIPC_MULTI_FRAME_MORE_BIT (0b10000000) /* 0x80 */
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#define SIPC_MULTI_FRAME_ID_MASK (0b01111111) /* 0x7F */
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#define SIPC_MULTI_FRAME_ID_BITS 7
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#define NUM_SIPC_MULTI_FRAME_IDS (2 ^ SIPC_MULTI_FRAME_ID_BITS)
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#define MAX_SIPC_MULTI_FRAME_ID (NUM_SIPC_MULTI_FRAME_IDS - 1)
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struct __packed sipc_fmt_hdr {
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u16 len;
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u8 msg_seq;
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u8 ack_seq;
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u8 main_cmd;
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u8 sub_cmd;
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u8 cmd_type;
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};
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enum modem_io {
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IODEV_MISC,
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IODEV_NET,
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IODEV_DUMMY,
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};
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enum dev_format {
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IPC_FMT,
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IPC_RAW,
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IPC_RFS,
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IPC_MULTI_RAW,
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IPC_BOOT,
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IPC_DUMP,
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IPC_CMD,
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IPC_DEBUG,
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MAX_DEV_FORMAT,
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};
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struct io_device {
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struct list_head list;
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/* Name of the IO device */
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char *name;
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/* Reference count */
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atomic_t opened;
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/* Misc and net device structures for the IO device */
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struct miscdevice miscdev;
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struct net_device *ndev;
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struct list_head node_ndev;
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struct napi_struct napi;
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/* ID and Format for channel on the link */
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unsigned int id;
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unsigned int minor;
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enum dev_format format;
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enum modem_io io_typ;
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/* Attributes of an IO device */
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u32 attrs;
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/* The name of the application that will use this IO device */
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char *app;
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};
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#define to_io_device(misc) container_of(misc, struct io_device, miscdev)
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/* platform data */
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struct modem_data {
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char *name;
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unsigned num_iodevs;
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struct io_device *iodevs;
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};
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#define LOG_TAG "mif: "
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#define FUNC (__func__)
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#define CALLER (__builtin_return_address(0))
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#define mif_err_limited(fmt, ...) \
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printk_ratelimited(KERN_ERR LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__)
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#define mif_err(fmt, ...) \
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pr_err(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__)
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#define mif_debug(fmt, ...) \
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pr_debug(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__)
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#define mif_info(fmt, ...) \
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pr_info(LOG_TAG "%s: " pr_fmt(fmt), __func__, ##__VA_ARGS__)
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#define mif_trace(fmt, ...) \
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printk(KERN_DEBUG "mif: %s: %d: called(%pF): " fmt, \
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__func__, __LINE__, __builtin_return_address(0), ##__VA_ARGS__)
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#ifdef CONFIG_OF
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#define mif_dt_read_enum(np, prop, dest) \
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do { \
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u32 val; \
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if (of_property_read_u32(np, prop, &val)) \
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return -EINVAL; \
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dest = (__typeof__(dest))(val); \
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} while (0)
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#define mif_dt_read_bool(np, prop, dest) \
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do { \
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u32 val; \
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if (of_property_read_u32(np, prop, &val)) \
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return -EINVAL; \
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dest = val ? true : false; \
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} while (0)
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#define mif_dt_read_string(np, prop, dest) \
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do { \
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if (of_property_read_string(np, prop, \
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(const char **)&dest)) \
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return -EINVAL; \
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} while (0)
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#define mif_dt_read_u32(np, prop, dest) \
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do { \
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u32 val; \
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if (of_property_read_u32(np, prop, &val)) \
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return -EINVAL; \
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dest = val; \
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} while (0)
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#endif
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extern void register_port_ops(const struct file_operations *ops);
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extern void print_ipc_pkt(u16 ch, struct sk_buff *skb);
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#endif
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