| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * linux/include/asm-arm/hardware/icst307.h |
| 3 | * |
| 4 | * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * Support functions for calculating clocks/divisors for the ICS307 |
| 11 | * clock generators. See http://www.icst.com/ for more information |
| 12 | * on these devices. |
| 13 | * |
| 14 | * This file is similar to the icst525.h file |
| 15 | */ |
| 16 | #ifndef ASMARM_HARDWARE_ICST307_H |
| 17 | #define ASMARM_HARDWARE_ICST307_H |
| 18 | |
| 19 | struct icst307_params { |
| 20 | unsigned long ref; |
| 21 | unsigned long vco_max; /* inclusive */ |
| 22 | unsigned short vd_min; /* inclusive */ |
| 23 | unsigned short vd_max; /* inclusive */ |
| 24 | unsigned char rd_min; /* inclusive */ |
| 25 | unsigned char rd_max; /* inclusive */ |
| 26 | }; |
| 27 | |
| 28 | struct icst307_vco { |
| 29 | unsigned short v; |
| 30 | unsigned char r; |
| 31 | unsigned char s; |
| 32 | }; |
| 33 | |
| 34 | unsigned long icst307_khz(const struct icst307_params *p, struct icst307_vco vco); |
| 35 | struct icst307_vco icst307_khz_to_vco(const struct icst307_params *p, unsigned long freq); |
| 36 | struct icst307_vco icst307_ps_to_vco(const struct icst307_params *p, unsigned long period); |
| 37 | |
| 38 | #endif |