/* * Copyright (c) 2010 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * - The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /** @addtogroup kernel_genarch * @{ */ /** * @file * @brief Samsung S3C24xx on-chip PWM timer driver. */ #ifndef KERN_S3C24XX_TIMER_H_ #define KERN_S3C24XX_TIMER_H_ #include <typedefs.h> /** Physical address where S3C24XX on-chip PWM timer is mapped */ #define S3C24XX_TIMER_ADDRESS 0x51000000 /** S3C24xx on-chip PWM timer registers */ typedef struct { ioport32_t tcfg0; /**< Timer configuration register 0 */ ioport32_t tcfg1; /**< Timer configuration register 1 */ ioport32_t tcon; /**< Timer control register */ struct { ioport32_t cntb; /**< Count buffer register */ ioport32_t cmpb; /**< Compare buffer register */ ioport32_t cnto; /**< Count observation register */ } timer[5]; } s3c24xx_timer_t; /** Bits in the S3C24xx PWM timer TCON register. */ enum s3c24xx_tcon_bits { TCON_T0_START = (1 << 0), /**< Timer 0 start */ TCON_T0_MUPDATE = (1 << 1), /**< Timer 0 manual update */ TCON_T0_INVERT = (1 << 2), /**< Timer 0 inverter on */ TCON_T0_AUTO_RLD = (1 << 3), /**< Timer 0 auto reload */ TCON_DEAD_ZONE = (1 << 4), /**< Dead zone enable */ TCON_T1_START = (1 << 8), /**< Timer 1 start */ TCON_T1_MUPDATE = (1 << 9), /**< Timer 1 manual update */ TCON_T1_INVERT = (1 << 10), /**< Timer 1 inverter on */ TCON_T1_AUTO_RLD = (1 << 11), /**< Timer 1 auto reload */ TCON_T2_START = (1 << 12), /**< Timer 2 start */ TCON_T2_MUPDATE = (1 << 13), /**< Timer 2 manual update */ TCON_T2_INVERT = (1 << 14), /**< Timer 2 inverter on */ TCON_T2_AUTO_RLD = (1 << 15), /**< Timer 2 auto reload */ TCON_T3_START = (1 << 16), /**< Timer 3 start */ TCON_T3_MUPDATE = (1 << 17), /**< Timer 3 manual update */ TCON_T3_INVERT = (1 << 18), /**< Timer 3 inverter on */ TCON_T3_AUTO_RLD = (1 << 19), /**< Timer 3 auto reload */ TCON_T4_START = (1 << 20), /**< Timer 4 start */ TCON_T4_MUPDATE = (1 << 21), /**< Timer 4 manual update */ TCON_T4_AUTO_RLD = (1 << 22) /**< Timer 4 auto reload */ }; #endif /** @} */