| Server IP : 13.213.54.232 / Your IP : 216.73.216.72 Web Server : Apache/2.4.52 (Ubuntu) System : Linux ip-172-31-17-110 6.8.0-1029-aws #31~22.04.1-Ubuntu SMP Thu Apr 24 21:16:18 UTC 2025 x86_64 User : www-data ( 33) PHP Version : 7.1.33-67+ubuntu22.04.1+deb.sury.org+1 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals, MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : ON Directory : /usr/lib/modules/6.8.0-1029-aws/build/include/linux/mailbox/ |
Upload File : |
/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (c) 2018 MediaTek Inc.
*
*/
#ifndef __MTK_CMDQ_MAILBOX_H__
#define __MTK_CMDQ_MAILBOX_H__
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/types.h>
#define CMDQ_INST_SIZE 8 /* instruction is 64-bit */
#define CMDQ_SUBSYS_SHIFT 16
#define CMDQ_OP_CODE_SHIFT 24
#define CMDQ_JUMP_PASS CMDQ_INST_SIZE
#define CMDQ_WFE_UPDATE BIT(31)
#define CMDQ_WFE_UPDATE_VALUE BIT(16)
#define CMDQ_WFE_WAIT BIT(15)
#define CMDQ_WFE_WAIT_VALUE 0x1
/*
* WFE arg_b
* bit 0-11: wait value
* bit 15: 1 - wait, 0 - no wait
* bit 16-27: update value
* bit 31: 1 - update, 0 - no update
*/
#define CMDQ_WFE_OPTION (CMDQ_WFE_WAIT | CMDQ_WFE_WAIT_VALUE)
/** cmdq event maximum */
#define CMDQ_MAX_EVENT 0x3ff
/*
* CMDQ_CODE_MASK:
* set write mask
* format: op mask
* CMDQ_CODE_WRITE:
* write value into target register
* format: op subsys address value
* CMDQ_CODE_JUMP:
* jump by offset
* format: op offset
* CMDQ_CODE_WFE:
* wait for event and clear
* it is just clear if no wait
* format: [wait] op event update:1 to_wait:1 wait:1
* [clear] op event update:1 to_wait:0 wait:0
* CMDQ_CODE_EOC:
* end of command
* format: op irq_flag
*/
enum cmdq_code {
CMDQ_CODE_MASK = 0x02,
CMDQ_CODE_WRITE = 0x04,
CMDQ_CODE_POLL = 0x08,
CMDQ_CODE_JUMP = 0x10,
CMDQ_CODE_WFE = 0x20,
CMDQ_CODE_EOC = 0x40,
CMDQ_CODE_READ_S = 0x80,
CMDQ_CODE_WRITE_S = 0x90,
CMDQ_CODE_WRITE_S_MASK = 0x91,
CMDQ_CODE_LOGIC = 0xa0,
};
struct cmdq_cb_data {
int sta;
struct cmdq_pkt *pkt;
};
struct cmdq_pkt {
void *va_base;
dma_addr_t pa_base;
size_t cmd_buf_size; /* command occupied size */
size_t buf_size; /* real buffer size */
void *cl;
};
u8 cmdq_get_shift_pa(struct mbox_chan *chan);
#endif /* __MTK_CMDQ_MAILBOX_H__ */