@@ -47,6 +47,8 @@ typedef struct SDHCIState {
qemu_irq eject_cb;
qemu_irq ro_cb;
qemu_irq irq;
+ qemu_irq access_led;
+ int access_led_level;
uint32_t sdmasysad; /* SDMA System Address register */
uint16_t blksize; /* Host DMA Buff Boundary and Transfer BlkSize Reg */
@@ -202,6 +202,16 @@ static void sdhci_poweron_reset(DeviceState *dev)
}
}
+static void sdhci_led_handler(void *opaque, int line, int level)
+{
+ SDHCIState *s = (SDHCIState *)opaque;
+
+ if (s->access_led_level != level) {
+ trace_sdhci_led(level);
+ s->access_led_level = level;
+ }
+}
+
static void sdhci_data_transfer(void *opaque);
static void sdhci_send_command(SDHCIState *s)
@@ -1050,6 +1060,7 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size)
!(s->capareg & (1 << (31 - ((s->pwrcon >> 1) & 0x7))))) {
s->pwrcon &= ~SDHC_POWER_ON;
}
+ qemu_set_irq(s->access_led, s->hostctl & 1);
break;
case SDHC_CLKCON:
if (!(mask & 0xFF000000)) {
@@ -1160,6 +1171,7 @@ static void sdhci_initfn(SDHCIState *s)
qbus_create_inplace(&s->sdbus, sizeof(s->sdbus),
TYPE_SDHCI_BUS, DEVICE(s), "sd-bus");
+ s->access_led = qemu_allocate_irq(sdhci_led_handler, s, 0);
s->insert_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_raise_insertion_irq, s);
s->transfer_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, sdhci_data_transfer, s);
}
@@ -1185,6 +1197,7 @@ static void sdhci_uninitfn(SDHCIState *s)
timer_del(s->transfer_timer);
timer_free(s->transfer_timer);
+ qemu_free_irq(s->access_led);
qemu_free_irq(s->eject_cb);
qemu_free_irq(s->ro_cb);
}
@@ -13,6 +13,7 @@ sdhci_adma_transfer_completed(void) "ADMA transfer completed"
sdhci_access(const char *access, unsigned int size, uint64_t offset, const char *dir, uint64_t val, uint64_t val2) "%s %ub: addr[0x%04" PRIx64 "] %s %" PRIu64 "(0x%" PRIx64 ")"
sdhci_read_dataport(uint16_t data_count) "all %u bytes of data have been read from input buffer"
sdhci_write_dataport(uint16_t data_count) "write buffer filled with %u bytes of data"
+sdhci_led(bool state) "LED: %u"
# hw/sd/milkymist-memcard.c
milkymist_memcard_memory_read(uint32_t addr, uint32_t value) "addr 0x%08x value 0x%08x"
It blinks to caution the user not to remove the card while the SD card is being accessed. So far it only emit a trace event. Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org> --- include/hw/sd/sdhci.h | 2 ++ hw/sd/sdhci.c | 13 +++++++++++++ hw/sd/trace-events | 1 + 3 files changed, 16 insertions(+)