Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
[linux-2.6] / include / asm-cris / arch-v10 / io_interface_mux.h
1 /* IO interface mux allocator for ETRAX100LX.
2  * Copyright 2004, Axis Communications AB
3  * $Id: io_interface_mux.h,v 1.1 2004/12/13 12:21:53 starvik Exp $
4  */
5
6
7 #ifndef _IO_INTERFACE_MUX_H
8 #define _IO_INTERFACE_MUX_H
9
10
11 /* C.f. ETRAX100LX Designer's Reference 20.9 */
12
13 /* The order in enum must match the order of interfaces[] in
14  * io_interface_mux.c */
15 enum cris_io_interface {
16         /* Begin Non-multiplexed interfaces */
17         if_eth = 0,
18         if_serial_0,
19         /* End Non-multiplexed interfaces */
20         if_serial_1,
21         if_serial_2,
22         if_serial_3,
23         if_sync_serial_1,
24         if_sync_serial_3,
25         if_shared_ram,
26         if_shared_ram_w,
27         if_par_0,
28         if_par_1,
29         if_par_w,
30         if_scsi8_0,
31         if_scsi8_1,
32         if_scsi_w,
33         if_ata,
34         if_csp,
35         if_i2c,
36         if_usb_1,
37         if_usb_2,
38         /* GPIO pins */
39         if_gpio_grp_a,
40         if_gpio_grp_b,
41         if_gpio_grp_c,
42         if_gpio_grp_d,
43         if_gpio_grp_e,
44         if_gpio_grp_f,
45         if_max_interfaces,
46         if_unclaimed
47 };
48
49 int cris_request_io_interface(enum cris_io_interface ioif, const char *device_id);
50
51 void cris_free_io_interface(enum cris_io_interface ioif);
52
53 /* port can be 'a', 'b' or 'g' */
54 int cris_io_interface_allocate_pins(const enum cris_io_interface ioif,
55                                     const char port,
56                                     const unsigned start_bit,
57                                     const unsigned stop_bit);
58
59 /* port can be 'a', 'b' or 'g' */
60 int cris_io_interface_free_pins(const enum cris_io_interface ioif,
61                                 const char port,
62                                 const unsigned start_bit,
63                                 const unsigned stop_bit);
64
65 int cris_io_interface_register_watcher(void (*notify)(const unsigned int gpio_in_available,
66                                                       const unsigned int gpio_out_available,
67                                                       const unsigned char pa_available,
68                                                       const unsigned char pb_available));
69
70 void cris_io_interface_delete_watcher(void (*notify)(const unsigned int gpio_in_available,
71                                                      const unsigned int gpio_out_available,
72                                                      const unsigned char pa_available,
73                                                      const unsigned char pb_available));
74
75 #endif /* _IO_INTERFACE_MUX_H */