[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).

drivers/mmc/Kconfig

@@ -51,7 +51,7 @@ config MMC_PXA
 
 config MMC_WBSD
 	tristate "Winbond W83L51xD SD/MMC Card Interface support"
-	depends on MMC && ISA && ISA_DMA_API
+	depends on MMC && ISA_DMA_API
 	help
 	  This selects the Winbond(R) W83L51xD Secure digital and
           Multimedia card Interface.

drivers/mmc/wbsd.h

@@ -35,6 +35,12 @@ const int valid_ids[] = {
 
 #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 @@ const int valid_ids[] = {
 #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 @@ struct wbsd_host
 	
 	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 */