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63245d2c MS |
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 */ |