void mmdvfs_notify_scenario_enter(MTK_SMI_BWC_SCEN scen)
{
#if !MMDVFS_ENABLE
return;
#endif
MMDVFSMSG("enter %d\n", scen);
if (mmdvfs_get_lcd_resolution() == MMDVFS_LCD_SIZE_WQHD) {
#if MMDVFS_ENABLE_WQHD
if (scen == SMI_BWC_SCEN_VP) {
mmdvfs_start_gpu_monitor(&g_mmdvfs_mgr->gpu_monitor);
}
#endif /* MMDVFS_ENABLE_WQHD */
} else { /* FHD */
switch (scen) {
case SMI_BWC_SCEN_ICFP:
mmdvfs_set_step(scen, MMDVFS_VOLTAGE_HIGH);
break;
case SMI_BWC_SCEN_VR:
case SMI_BWC_SCEN_VR_SLOW:
mmdvfs_set_step(scen, mmdvfs_query(scen, NULL));
/* workaround for ICFP...its mmdvfs_set() will come after leaving ICFP */
mmdvfs_set_step(SMI_BWC_SCEN_ICFP, mmdvfs_get_default_step());
break;
default:
break;
}
}
}
void mmdvfs_notify_scenario_enter(MTK_SMI_BWC_SCEN scen)
{
#if !MMDVFS_ENABLE
return;
#endif
MMDVFSMSG("enter %d\n", scen);
/* ISP ON = high */
switch (scen) {
#if defined(SMI_D2) /* d2 sensor > 6M */
case SMI_BWC_SCEN_VR:
mmdvfs_set_step(scen, mmdvfs_query(scen, NULL));
break;
case SMI_BWC_SCEN_VR_SLOW:
#elif defined(SMI_D1) /* default VR high */
case SMI_BWC_SCEN_VR:
case SMI_BWC_SCEN_VR_SLOW:
#else /* D3 */
case SMI_BWC_SCEN_WFD:
case SMI_BWC_SCEN_VSS:
#endif
/* Fall through */
case SMI_BWC_SCEN_ICFP:
/* Fall through */
case SMI_BWC_SCEN_FORCE_MMDVFS:
mmdvfs_set_step(scen, MMDVFS_VOLTAGE_HIGH);
break;
default:
break;
}
}
static void mmdvfs_start_cam_monitor(void)
{
mmdvfs_stop_cam_monitor();
MMDVFSMSG("CAM start %d\n", jiffies_to_msecs(jiffies));
mmdvfs_set_step(MMDVFS_CAM_MON_SCEN, MMDVFS_VOLTAGE_HIGH);
/* 4 seconds for PIP switch preview aspect delays... */
schedule_delayed_work(&g_mmdvfs_cam_work, MMDVFS_CAM_MON_DELAY);
}
void mmdvfs_handle_cmd(MTK_MMDVFS_CMD *cmd)
{
#if !MMDVFS_ENABLE
return;
#endif
MMDVFSMSG("MMDVFS cmd %u %d\n", cmd->type, cmd->scen);
switch (cmd->type) {
case MTK_MMDVFS_CMD_TYPE_SET:
/* save cmd */
mmdvfs_update_cmd(cmd);
cmd->ret = mmdvfs_set_step(cmd->scen,
mmdvfs_query(cmd->scen, cmd));
break;
case MTK_MMDVFS_CMD_TYPE_QUERY: { /* query with some parameters */
if (mmdvfs_get_lcd_resolution() == MMDVFS_LCD_SIZE_FHD) {
/* QUERY ALWAYS HIGH for FHD */
cmd->ret = (unsigned int)MMDVFS_STEP_HIGH2HIGH;
} else { /* FHD */
mmdvfs_voltage_enum query_voltage = mmdvfs_query(cmd->scen, cmd);
mmdvfs_voltage_enum current_voltage = mmdvfs_get_current_step();
if (current_voltage < query_voltage) {
cmd->ret = (unsigned int)MMDVFS_STEP_LOW2HIGH;
} else if (current_voltage > query_voltage) {
cmd->ret = (unsigned int)MMDVFS_STEP_HIGH2LOW;
} else {
cmd->ret
= (unsigned int)(query_voltage
== MMDVFS_VOLTAGE_HIGH
? MMDVFS_STEP_HIGH2HIGH
: MMDVFS_STEP_LOW2LOW);
}
}
MMDVFSMSG("query %d\n", cmd->ret);
/* cmd->ret = (unsigned int)query_voltage; */
break;
}
default:
MMDVFSMSG("invalid mmdvfs cmd\n");
BUG();
break;
}
}
void mmdvfs_notify_scenario_exit(MTK_SMI_BWC_SCEN scen)
{
#if !MMDVFS_ENABLE
return;
#endif
MMDVFSMSG("leave %d\n", scen);
if (mmdvfs_get_lcd_resolution() == MMDVFS_LCD_SIZE_WQHD) {
#if MMDVFS_ENABLE_WQHD
if (scen == SMI_BWC_SCEN_VP) {
mmdvfs_stop_gpu_monitor(&g_mmdvfs_mgr->gpu_monitor);
}
#endif /* MMDVFS_ENABLE_WQHD */
}
/* reset scenario voltage to default when it exits */
mmdvfs_set_step(scen, mmdvfs_get_default_step());
}
void mmdvfs_notify_scenario_exit(MTK_SMI_BWC_SCEN scen)
{
#if !MMDVFS_ENABLE
return;
#endif
MMDVFSMSG("leave %d\n", scen);
#if !defined(SMI_D3) /* d3 does not need this workaround because the MMCLK is always the highest */
/*
* keep HPM for 4 seconds after exiting camera scenarios to get rid of
* cam framework will let us go to normal scenario for a short time
* (ex: STOP PREVIEW --> NORMAL --> START PREVIEW)
* where the LPM mode (low MMCLK) may cause ISP failures
*/
if ((scen == SMI_BWC_SCEN_VR) || (scen == SMI_BWC_SCEN_VR_SLOW)
|| (scen == SMI_BWC_SCEN_ICFP)) {
mmdvfs_start_cam_monitor();
}
#endif /* !defined(SMI_D3) */
/* reset scenario voltage to default when it exits */
mmdvfs_set_step(scen, mmdvfs_get_default_step());
}
static void mmdvfs_cam_work_handler(struct work_struct *work)
{
MMDVFSMSG("CAM handler %d\n", jiffies_to_msecs(jiffies));
mmdvfs_set_step(MMDVFS_CAM_MON_SCEN, mmdvfs_get_default_step());
}
