[PATCH] MMC: wbsd update
Updates to the wbsd driver.
* Fix to handle DAT3 card detection.
* Fixed bug which could cause large writes to stall in FIFO mode.
* Plug 'n Play support. In most cases you need ACPI PNP for this to work.
* Uses generic DMA API (ISA dependency removed).
diff --git a/drivers/mmc/wbsd.h b/drivers/mmc/wbsd.h
index fdc03b5..864f3082 100644
--- a/drivers/mmc/wbsd.h
+++ b/drivers/mmc/wbsd.h
@@ -35,6 +35,12 @@
#define DEVICE_SD 0x03
+#define WBSD_PINS_DAT3_HI 0x20
+#define WBSD_PINS_DAT3_OUT 0x10
+#define WBSD_PINS_GP11_HI 0x04
+#define WBSD_PINS_DETECT_GP11 0x02
+#define WBSD_PINS_DETECT_DAT3 0x01
+
#define WBSD_CMDR 0x00
#define WBSD_DFR 0x01
#define WBSD_EIR 0x02
@@ -133,6 +139,7 @@
#define WBSD_CRC_OK 0x05 /* S010E (00101) */
#define WBSD_CRC_FAIL 0x0B /* S101E (01011) */
+#define WBSD_DMA_SIZE 65536
struct wbsd_host
{
@@ -140,6 +147,11 @@
spinlock_t lock; /* Mutex */
+ int flags; /* Driver states */
+
+#define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
+#define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
+
struct mmc_request* mrq; /* Current request */
u8 isr; /* Accumulated ISR */