diff options
| -rw-r--r-- | hw/sd/sdhci.c | 64 |
1 files changed, 42 insertions, 22 deletions
diff --git a/hw/sd/sdhci.c b/hw/sd/sdhci.c index dbe5c2340c..37875c02c3 100644 --- a/hw/sd/sdhci.c +++ b/hw/sd/sdhci.c @@ -233,7 +233,7 @@ static void sdhci_raise_insertion_irq(void *opaque) if (s->norintsts & SDHC_NIS_REMOVE) { timer_mod(s->insert_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); } else { s->prnsts = 0x1ff0000; if (s->norintstsen & SDHC_NISEN_INSERT) { @@ -251,7 +251,7 @@ static void sdhci_set_inserted(DeviceState *dev, bool level) if ((s->norintsts & SDHC_NIS_REMOVE) && level) { /* Give target some time to notice card ejection */ timer_mod(s->insert_timer, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + SDHC_INSERTION_DELAY); } else { if (level) { s->prnsts = 0x1ff0000; @@ -289,9 +289,11 @@ static void sdhci_reset(SDHCIState *s) timer_del(s->insert_timer); timer_del(s->transfer_timer); - /* Set all registers to 0. Capabilities/Version registers are not cleared + /* + * Set all registers to 0. Capabilities/Version registers are not cleared * and assumed to always preserve their value, given to them during - * initialization */ + * initialization + */ memset(&s->sdmasysad, 0, (uintptr_t)&s->capareg - (uintptr_t)&s->sdmasysad); /* Reset other state based on current card insertion/readonly status */ @@ -305,7 +307,8 @@ static void sdhci_reset(SDHCIState *s) static void sdhci_poweron_reset(DeviceState *dev) { - /* QOM (ie power-on) reset. This is identical to reset + /* + * QOM (ie power-on) reset. This is identical to reset * commanded via device register apart from handling of the * 'pending insert on powerup' quirk. */ @@ -445,8 +448,10 @@ static void sdhci_read_block_from_card(SDHCIState *s) s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; } - /* If stop at block gap request was set and it's not the last block of - * data - generate Block Event interrupt */ + /* + * If stop at block gap request was set and it's not the last block of + * data - generate Block Event interrupt + */ if (s->stopped_state == sdhc_gap_read && (s->trnmod & SDHC_TRNS_MULTI) && s->blkcnt != 1) { s->prnsts &= ~SDHC_DAT_LINE_ACTIVE; @@ -548,8 +553,10 @@ static void sdhci_write_block_to_card(SDHCIState *s) sdhci_update_irq(s); } -/* Write @size bytes of @value data to host controller @s Buffer Data Port - * register */ +/* + * Write @size bytes of @value data to host controller @s Buffer Data Port + * register + */ static void sdhci_write_dataport(SDHCIState *s, uint32_t value, unsigned size) { unsigned i; @@ -594,9 +601,11 @@ static void sdhci_sdma_transfer_multi_blocks(SDHCIState *s) return; } - /* XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for + /* + * XXX: Some sd/mmc drivers (for example, u-boot-slp) do not account for * possible stop at page boundary if initial address is not page aligned, - * allow them to work properly */ + * allow them to work properly + */ if ((s->sdmasysad % boundary_chk) == 0) { page_aligned = true; } @@ -702,7 +711,8 @@ static void get_adma_description(SDHCIState *s, ADMADescr *dscr) dma_memory_read(s->dma_as, entry_addr, &adma2, sizeof(adma2), MEMTXATTRS_UNSPECIFIED); adma2 = le64_to_cpu(adma2); - /* The spec does not specify endianness of descriptor table. + /* + * The spec does not specify endianness of descriptor table. * We currently assume that it is LE. */ dscr->addr = (hwaddr)extract64(adma2, 32, 32) & ~0x3ull; @@ -977,8 +987,10 @@ static bool sdhci_can_issue_command(SDHCIState *s) return true; } -/* The Buffer Data Port register must be accessed in sequential and - * continuous manner */ +/* + * The Buffer Data Port register must be accessed in sequential and + * continuous manner + */ static inline bool sdhci_buff_access_is_sequential(SDHCIState *s, unsigned byte_num) { @@ -1206,8 +1218,10 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) MASKED_WRITE(s->argument, mask, value); break; case SDHC_TRNMOD: - /* DMA can be enabled only if it is supported as indicated by - * capabilities register */ + /* + * DMA can be enabled only if it is supported as indicated by + * capabilities register + */ if (!(s->capareg & R_SDHC_CAPAB_SDMA_MASK)) { value &= ~SDHC_TRNS_DMA; } @@ -1279,8 +1293,10 @@ sdhci_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) } else { s->norintsts &= ~SDHC_NIS_ERR; } - /* Quirk for Raspberry Pi: pending card insert interrupt - * appears when first enabled after power on */ + /* + * Quirk for Raspberry Pi: pending card insert interrupt + * appears when first enabled after power on + */ if ((s->norintstsen & SDHC_NISEN_INSERT) && s->pending_insert_state) { assert(s->pending_insert_quirk); s->norintsts |= SDHC_NIS_INSERT; @@ -1396,8 +1412,10 @@ void sdhci_initfn(SDHCIState *s) { qbus_init(&s->sdbus, sizeof(s->sdbus), TYPE_SDHCI_BUS, DEVICE(s), "sd-bus"); - 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); + 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); s->io_ops = &sdhci_mmio_le_ops; } @@ -1445,11 +1463,13 @@ void sdhci_common_realize(SDHCIState *s, Error **errp) void sdhci_common_unrealize(SDHCIState *s) { - /* This function is expected to be called only once for each class: + /* + * This function is expected to be called only once for each class: * - SysBus: via DeviceClass->unrealize(), * - PCI: via PCIDeviceClass->exit(). * However to avoid double-free and/or use-after-free we still nullify - * this variable (better safe than sorry!). */ + * this variable (better safe than sorry!). + */ g_free(s->fifo_buffer); s->fifo_buffer = NULL; } |