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/*
* arch/arm/cpu/armv8/txl/firmware/scp_task/user_task.c
*
* Copyright (C) 2015 Amlogic, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "data.h"
#include "registers.h"
#include "task_apis.h"
#define TASK_ID_IDLE 0
#define TASK_ID_LOW_MB 3
#define TASK_ID_HIGH_MB 4
#define TASK_ID_SECURE_MB 5
enum scpi_client_id {
SCPI_CL_NONE,
SCPI_CL_CLOCKS,
SCPI_CL_DVFS,
SCPI_CL_POWER,
SCPI_CL_THERMAL,
SCPI_CL_REMOTE,
SCPI_CL_LED_TIMER,
SCPI_CL_WOL,
SCPI_CL_IRPROTO,
SCPI_CL_REMOTE_MASK,
SCPI_CL_5V_SYSTEM_POWER,
SCPI_MAX,
};
void __switch_idle_task(void)
{
register int p0 asm("r0") = 2;
register int p1 asm("r1") = TASK_ID_IDLE;
asm("svc 0" : : "r"(p0), "r"(p1));
}
void __switch_back_securemb(void)
{
register int p0 asm("r0") = 2;
register int p1 asm("r1") = TASK_ID_SECURE_MB;
asm("svc 0" : : "r"(p0), "r"(p1));
}
void __switch_back_highmb(void)
{
register int p0 asm("r0") = 2;
register int p1 asm("r1") = TASK_ID_HIGH_MB;
asm("svc 0" : : "r"(p0), "r"(p1));
}
void __switch_back_lowmb(void)
{
register int p0 asm("r0") = 2;
register int p1 asm("r1") = TASK_ID_LOW_MB;
asm("svc 0" : : "r"(p0), "r"(p1));
}
void secure_task(void)
{
volatile unsigned *pcommand =
(unsigned *)(&(secure_task_share_mem[TASK_COMMAND_OFFSET]));
volatile unsigned *response =
(unsigned *)(&(secure_task_share_mem[TASK_RESPONSE_OFFSET]));
unsigned command;
struct resume_param *presume;
unsigned int state;
/*init bss */
bss_init();
dbg_prints("secure task start!\n");
/* suspend pwr ops init*/
suspend_pwr_ops_init();
*pcommand = 0;
while (1) {
/* do secure task process */
command = *pcommand;
if (command) {
dbg_print("process command ", command);
if (command == SEC_TASK_GET_WAKEUP_SRC) {
state = *(pcommand+1);
suspend_get_wakeup_source(
(void *)response, state);
} else if (command == COMMAND_SUSPEND_ENTER) {
state = *(pcommand+1);
enter_suspend(state);
*pcommand = 0;
*response = RESPONSE_SUSPEND_LEAVE;
presume = (struct resume_param *)(response+1);
presume->method = resume_data.method;
}
}
__switch_back_securemb();
}
}
void set_wakeup_method(unsigned int method)
{
resume_data.method = method;
}
void process_high_task(unsigned command)
{
return;
/*unsigned *pcommand =
(unsigned *)(&(high_task_share_mem[TASK_COMMAND_OFFSET]));*/
}
void high_task(void)
{
unsigned *pcommand =
(unsigned *)(&(high_task_share_mem[TASK_COMMAND_OFFSET]));
unsigned *response =
(unsigned *)(&(high_task_share_mem[TASK_RESPONSE_OFFSET]));
unsigned command;
dbg_prints("high task start!\n");
*pcommand = 0;
while (1) {
/* do high task process */
command = *pcommand;
if (command) {
/*dbg_print("process command ", command);*/
process_high_task(command);
*pcommand = 0;
*response = 0;
}
__switch_back_highmb();
}
}
extern unsigned int usr_pwr_key;
extern unsigned int usr_pwr_key_mask;
extern unsigned int usr_ir_proto;
extern unsigned int enable_wol;
extern unsigned int enable_5V_system_power;
void process_low_task(unsigned command)
{
unsigned *pcommand =
(unsigned *)(&(low_task_share_mem[TASK_COMMAND_OFFSET]));
/*unsigned *response =
(unsigned *)(&(low_task_share_mem[TASK_RESPONSE_OFFSET]));*/
if ((command & 0xffff) == LOW_TASK_USR_DATA) {/*0-15bit: comd; 16-31bit: client_id*/
if ((command >> 16) == SCPI_CL_REMOTE) {
usr_pwr_key = *(pcommand + 2);/*tx_size locates at *(pcommand + 1)*/
dbg_print("pwr_key=",usr_pwr_key);
} else if ((command >> 16) == SCPI_CL_WOL) {
enable_wol = *(pcommand + 2);
dbg_print("wake-on-lan = ", enable_wol);
} else if ((command >> 16) == SCPI_CL_IRPROTO) {
usr_ir_proto = *(pcommand + 2);
dbg_print("usr_ir_proto = ", usr_ir_proto);
} else if ((command >> 16) == SCPI_CL_REMOTE_MASK) {
usr_pwr_key_mask = *(pcommand + 2);
dbg_print("pwr_key_mask = ", usr_pwr_key_mask);
} else if ((command >> 16) == SCPI_CL_5V_SYSTEM_POWER) {
enable_5V_system_power = *(pcommand + 2);
dbg_print("system power = ", enable_5V_system_power);
}
}
}
void low_task(void)
{
unsigned *pcommand =
(unsigned *)(&(low_task_share_mem[TASK_COMMAND_OFFSET]));
unsigned *response =
(unsigned *)(&(low_task_share_mem[TASK_RESPONSE_OFFSET]));
unsigned command;
*pcommand = 0;
dbg_prints("low task start!\n");
while (1) {
/* do low task process */
command = *pcommand;
if (command) {
process_low_task(command);
*pcommand = 0;
*response = 0;
}
__switch_back_lowmb();
}
}
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