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sdmmc_host: trigger LED on disk activity

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Change-Id: Ic7c43de01f381b7d87ed6b234fa63d5276ae31a5
This commit is contained in:
Aidan MacDonald 2026-08-18 22:26:33 +01:00 • committed by Solomon Peachy
parent cdad8cde64
commit 94a0fe608a
2 changed files with 27 additions and 0 deletions
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26
firmware/drivers/sdmmc_host.c
View file

@ -21,6 +21,7 @@
#include "system.h"
#include "storage.h"
#include "disk_cache.h"
#include "led.h"
#include "debug.h"
#include "panic.h"
#include "logf.h"
@ -48,6 +49,29 @@ DECLARE_FIRST_DRIVE(int sdmmc_mmc_first_drive);
static volatile long sdmmc_mmc_last_activity;
#endif
static bool sdmmc_host_any_active(void)
{
#if CONFIG_STORAGE & STORAGE_SD
for (size_t i = 0; i < ARRAYLEN(sdmmc_sd_hosts); ++i)
if (sdmmc_sd_hosts[i]->led_active)
return true;
#endif
#if CONFIG_STORAGE & STORAGE_MMC
for (size_t i = 0; i < ARRAYLEN(sdmmc_mmc_hosts); ++i)
if (sdmmc_mmc_hosts[i]->led_active)
return true;
#endif
return false;
}
static void sdmmc_host_set_led(struct sdmmc_host *host, bool on)
{
host->led_active = on;
led(sdmmc_host_any_active());
}
static int sdmmc_host_get_logical_drive(struct sdmmc_host *host)
{
switch (host->config.type)
@ -734,6 +758,7 @@ static int sdmmc_host_transfer(struct sdmmc_host *host,
int rc = -1;
mutex_lock(&host->lock);
sdmmc_host_set_led(host, true);
if (!host->enabled)
goto out;
@ -843,6 +868,7 @@ static int sdmmc_host_transfer(struct sdmmc_host *host,
}
out:
sdmmc_host_set_led(host, false);
mutex_unlock(&host->lock);
return rc;
}

1
firmware/export/sdmmc_host.h
View file

@ -242,6 +242,7 @@ struct sdmmc_host
bool initialized : 1;
bool is_hcs_card : 1;
bool use_cmd23 : 1;
bool led_active : 1; /* LED active may be read without lock */
/* Controller implemented by the target */
const struct sdmmc_controller_ops *ops;