first commit

1 files changed, 116 insertions, 0 deletions

diff --git a/include/linux/musbfsh.h b/include/linux/musbfsh.h
new file mode 100644
index 000000000..d03550b99
--- /dev/null
+++ b/include/linux/musbfsh.h
@@ -0,0 +1,116 @@
+/*
+ * This is used to for host and peripheral modes of the driver for
+ * Inventra (Multidrop) Highspeed Dual-Role Controllers:  (M)HDRC.
+ *
+ * Board initialization should put one of these into dev->platform_data,
+ * probably on some platform_device named "musbfsh_hdrc".  It encapsulates
+ * key configuration differences between boards.
+ */
+
+#ifndef __LINUX_USB_MUSBFSH_H
+#define __LINUX_USB_MUSBFSH_H
+
+/* The USB role is defined by the connector used on the board, so long as
+ * standards are being followed.  (Developer boards sometimes won't.)
+ */
+enum musbfsh_mode {
+	MUSBFSH_UNDEFINED = 0,
+	MUSBFSH_HOST,		/* A or Mini-A connector */
+	MUSBFSH_PERIPHERAL,	/* B or Mini-B connector */
+	MUSBFSH_OTG		/* Mini-AB connector */
+};
+
+struct clk;
+enum musbfsh_fifo_style {
+	FIFO_RXTX,
+	FIFO_TX,
+	FIFO_RX
+} __attribute__ ((packed));
+
+enum musbfsh_buf_mode {
+	BUF_SINGLE,
+	BUF_DOUBLE
+} __attribute__ ((packed));
+
+struct musbfsh_fifo_cfg {
+	u8 hw_ep_num;
+	enum musbfsh_fifo_style style;
+	enum musbfsh_buf_mode mode;
+	u16 maxpacket;
+};
+
+#define MUSBFSH_EP_FIFO(ep, st, m, pkt)		\
+{						\
+	.hw_ep_num	= ep,			\
+	.style		= st,			\
+	.mode		= m,			\
+	.maxpacket	= pkt,			\
+}
+
+#define MUSBFSH_EP_FIFO_SINGLE(ep, st, pkt)	\
+	MUSBFSH_EP_FIFO(ep, st, BUF_SINGLE, pkt)
+
+#define MUSBFSH_EP_FIFO_DOUBLE(ep, st, pkt)	\
+	MUSBFSH_EP_FIFO(ep, st, BUF_DOUBLE, pkt)
+
+struct musbfsh_hdrc_eps_bits {
+	const char name[16];
+	u8 bits;
+};
+
+struct musbfsh_hdrc_config {
+	struct musbfsh_fifo_cfg *fifo_cfg;	/* board fifo configuration */
+	unsigned fifo_cfg_size;	/* size of the fifo configuration */
+
+	/* MUSB configuration-specific details */
+	unsigned multipoint:1;	/* multipoint device */
+	unsigned dyn_fifo:1 __deprecated;	/* supports dynamic fifo sizing */
+	unsigned soft_con:1 __deprecated;	/* soft connect required */
+	unsigned utm_16:1 __deprecated;	/* utm data witdh is 16 bits */
+	unsigned big_endian:1;	/* true if CPU uses big-endian */
+	unsigned mult_bulk_tx:1;	/* Tx ep required for multbulk pkts */
+	unsigned mult_bulk_rx:1;	/* Rx ep required for multbulk pkts */
+	unsigned high_iso_tx:1;	/* Tx ep required for HB iso */
+	unsigned high_iso_rx:1;	/* Rx ep required for HD iso */
+	unsigned dma:1 __deprecated;	/* supports DMA */
+	unsigned vendor_req:1 __deprecated;	/* vendor registers required */
+
+	u8 num_eps;		/* number of endpoints _with_ ep0 */
+	u8 dma_channels __deprecated;	/* number of dma channels */
+	u8 dyn_fifo_size;	/* dynamic size in bytes */
+	u8 vendor_ctrl __deprecated;	/* vendor control reg width */
+	u8 vendor_stat __deprecated;	/* vendor status reg witdh */
+	u8 dma_req_chan __deprecated;	/* bitmask for required dma channels */
+	u8 ram_bits;		/* ram address size */
+
+	struct musbfsh_hdrc_eps_bits *eps_bits __deprecated;
+
+};
+
+struct musbfsh_hdrc_platform_data {
+	/* MUSBFSH_HOST, MUSBFSH_PERIPHERAL, or MUSBFSH_OTG */
+	u8 mode;
+
+	const char *clock;
+	/* (HOST or OTG) switch VBUS on/off */
+	int (*set_vbus) (struct device *dev, int is_on);
+
+	/* (HOST or OTG) mA/2 power supplied on (default = 8mA) */
+	u8 power;
+
+	u8 min_power;
+	u8 potpgt;
+	/* (HOST or OTG) program PHY for external Vbus */
+	unsigned extvbus:1;
+
+	/* Power the device on or off */
+	int (*set_power) (int state);
+
+	/* MUSB configuration-specific details */
+	struct musbfsh_hdrc_config *config;
+
+	void *board_data;
+	const void *platform_ops;
+};
+
+#endif				/* __LINUX_USB_MUSBFSH_H */