h63xx: bluetooth support

[linux-2.6-omap-h63xx.git] / include / asm-arm / arch-omap / omap_serial.h

diff --git a/include/asm-arm/arch-omap/omap_serial.h b/include/asm-arm/arch-omap/omap_serial.h
new file mode 100644 (file)
index 0000000..add09dc
--- /dev/null
+++ b/include/asm-arm/arch-omap/omap_serial.h
@@ -0,0 +1,62 @@
+/*
+ * Omap/h6300 serial driver private interface. 
+ * Code originates from the pxa-serial.h available in the handheld org drivers
+ * for iPAQ PXA4700.
+ *
+ * Copyright (c) 2005 SDG Systems, LLC
+ * 2005-03-29   Todd Blumer     Converted  basic structure to support hx4700
+ * 2005-10-03   Mika Laitio (lamikr@cc.jyu.fi) Reorganized for the iPAQ h6300 bt driver.
+ */
+ 
+#ifndef _OMAP_SERIAL_H
+#define _OMAP_SERIAL_H
+
+#define OMAP_SERIAL_TX 1
+#define OMAP_SERIAL_RX 2
+
+#include <linux/tty.h>
+#include <linux/serial_core.h>
+
+struct platform_omap_serial_funcs;
+
+struct uart_omap_port {
+       struct uart_port                        port;
+       unsigned char                           ier;
+       unsigned char                           lcr;
+       unsigned char                           mcr;
+       unsigned int                            lsr_break_flag;
+       unsigned int                            cken;
+       char                                    *name;
+       struct platform_omap_serial_funcs       *pf;
+};
+
+/* A pointer to such a structure can be contained in the platform_data
+ * field of every PXA UART platform_device. If the field is NULL, the
+ * serial port works as usual.
+ *
+ * For the sake of simplicity/performance no one of the function pointers
+ * in the structure below can be NULL.
+ */
+struct platform_omap_serial_funcs {
+       /* Platform-specific function to initialize whatever is connected
+         to this serial port... enable=1 -> enable transceiver,
+         0 -> disable transceiver. */
+       void (*configure) (struct uart_omap_port *up, int enable);
+        /* Platform-specific function to enable or disable the individual
+           transmitter/receiver submodules. On transceivers without echo
+           cancellation (e.g. SIR) transmitter always has priority, e.g.
+           if both bits are set, only the transmitter is enabled. */
+        void (*set_txrx) (struct uart_omap_port *up, int txrx);
+       /* Get the current state of tx/rx (see bitflags above) */
+       int (*get_txrx) (struct uart_omap_port *up);
+};
+
+/*
+ * The variables below are located in arch/arm/mach-omap/board_h6300.c
+ * Machine-specific code may want to put a pointer to a static
+ * platform_pxa_serial_funcs structure in the dev.platform_data
+ * field of the respective port device.
+ */
+extern struct platform_device btuart_device;
+
+#endif