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#include <asm/io.h>
#include <common.h>
#include <command.h>
#include <asm/arch/secure_apb.h>
#include <asm/cpu_id.h>
#define KEY_PARAMS_NUM 10
#define OTHER_PARAMS_NUM 1
extern uint32_t get_time(void);
void init_custom_trigger(void)
{
if (get_cpu_id().family_id == MESON_CPU_MAJOR_ID_GXTVBB) {
setbits_le32(P_AO_RTI_PIN_MUX_REG, 1 << 12); // SET IR_DEC_INPUT
} else {
setbits_le32(P_AO_RTI_PIN_MUX_REG, 1 << 0); // SET IR_DEC_INPUT
clrbits_le32(P_AO_RTI_PIN_MUX_REG, 1 << 21); //CLEAR IR_REMOTE_OUTPUT
}
writel((readl(P_AO_MF_IR_DEC_REG1) | (1 << 15)), P_AO_MF_IR_DEC_REG1);
}
void ir_release(void)
{
if (get_cpu_id().family_id == MESON_CPU_MAJOR_ID_GXTVBB) {
clrbits_le32(P_AO_RTI_PIN_MUX_REG, 1 << 12);
} else {
clrbits_le32(P_AO_RTI_PIN_MUX_REG, 1 << 0);
}
}
uint32_t read_key(void)
{
unsigned int keycode;
if (!(readl(P_AO_MF_IR_DEC_STATUS) & (1<<3))) {
return 0;
}
keycode = readl(P_AO_MF_IR_DEC_FRAME);
printf("keycode = %x\n",keycode);
return keycode;
}
static int do_irkey(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
uint32_t key_buf[KEY_PARAMS_NUM];
uint32_t time_out = 0;
uint32_t time_base = 0;
uint32_t key;
char *endp;
char str[8];
u8 i;
/*at least set a key*/
if (argc < 3)
return -1;
/*obtain timeout time*/
time_out = simple_strtoul(argv[1], &endp, 0);
printf("time_out = %x\n",time_out);
if (*argv[1] == 0 || *endp != 0)
return -1;
/*obtain IR keys value which need to detect*/
for (i=2; i<argc; i++) {
key_buf[i-2] = simple_strtoul(argv[i], &endp, 0);
printf("key[%d] = %x\n",i-2, key_buf[i-2]);
if (*argv[i] == 0 || *endp != 0)
return -1;
}
init_custom_trigger();
time_base = get_time();
while ((get_time() - time_base) < time_out)
{
key = read_key();
for (i=2; i<argc; i++) {
if (key == key_buf[i-2]) {
sprintf(str, "0x%x", key);
setenv("irkey_value",str);
ir_release();
return 0;
}
}
}
ir_release();
return -1;
}
/*Maxium key arguments: 10*/
U_BOOT_CMD(
irkey, (KEY_PARAMS_NUM + OTHER_PARAMS_NUM + 1), 0, do_irkey,
"irkey <timeout> <key1> ...<keyN> - maximum value of N: 10",
NULL
);
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