2 * Copyright (C) 2009 Samsung Electronics
3 * Kyungmin Park <kyungmin.park@samsung.com>
4 * Minkyu Kang <mk7.kang@samsung.com>
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 #ifndef __ASM_ARM_ARCH_PWM_H_
23 #define __ASM_ARM_ARCH_PWM_H_
25 #define PRESCALER_0 (8 - 1) /* prescaler of timer 0, 1 */
26 #define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */
29 #define MUX_DIV_1 0 /* 1/1 period */
30 #define MUX_DIV_2 1 /* 1/2 period */
31 #define MUX_DIV_4 2 /* 1/4 period */
32 #define MUX_DIV_8 3 /* 1/8 period */
33 #define MUX_DIV_16 4 /* 1/16 period */
35 #define MUX_DIV_SHIFT(x) (x * 4)
37 /* Interval mode(Auto Reload) of PWM Timer 4 */
38 #define TCON4_AUTO_RELOAD (1 << 22)
40 #define TCON4_UPDATE (1 << 21)
41 /* start bit of PWM Timer 4 */
42 #define TCON4_START (1 << 20)
44 #define TCON_OFFSET(x) ((x + 1) * (!!x) << 2)
46 #define TCON_START(x) (1 << TCON_OFFSET(x))
47 #define TCON_UPDATE(x) (1 << (TCON_OFFSET(x) + 1))
48 #define TCON_INVERTER(x) (1 << (TCON_OFFSET(x) + 2))
49 #define TCON_AUTO_RELOAD(x) (1 << (TCON_OFFSET(x) + 3))
70 unsigned int tintcstat;
72 #endif /* __ASSEMBLY__ */