X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=blobdiff_plain;f=drivers%2Fcbus%2Fuser_retu_tahvo.h;fp=drivers%2Fcbus%2Fuser_retu_tahvo.h;h=a5c219026c5966ba45dffd1fb58da14ba8df1979;hp=0000000000000000000000000000000000000000;hb=14fc69723d3442ef46f8f82b3f481e82f06a346d;hpb=c7d41fe1898f2fd6d9b9f98c7932fc5d6ca6bf3e diff --git a/drivers/cbus/user_retu_tahvo.h b/drivers/cbus/user_retu_tahvo.h new file mode 100644 index 00000000000..a5c219026c5 --- /dev/null +++ b/drivers/cbus/user_retu_tahvo.h @@ -0,0 +1,75 @@ +/** + * drivers/cbus/user_retu_tahvo.h + * + * Copyright (C) 2004, 2005 Nokia Corporation + * + * Written by Mikko Ylinen + * + * Definitions and types used by both retu-user and tahvo-user. + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of this + * archive for more details. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef _USER_RETU_TAHVO_H +#define _USER_RETU_TAHVO_H + +/* Chip IDs */ +#define CHIP_RETU 1 +#define CHIP_TAHVO 2 + +/* Register access type bits */ +#define READ_ONLY 1 +#define WRITE_ONLY 2 +#define READ_WRITE 3 +#define TOGGLE 4 + +#define MASK(field) ((u16)(field & 0xFFFF)) +#define REG(field) ((u16)((field >> 16) & 0x3F)) + +/*** IOCTL definitions. These should be kept in sync with user space **********/ + +#define URT_IOC_MAGIC '`' + +/* + * IOCTL function naming conventions: + * ================================== + * 0 -- No argument and return value + * S -- Set through a pointer + * T -- Tell directly with the argument value + * G -- Reply by setting through a pointer + * Q -- response is on the return value + * X -- S and G atomically + * H -- T and Q atomically + */ + +/* General */ +#define URT_IOCT_IRQ_SUBSCR _IO(URT_IOC_MAGIC, 0) + +/* RETU */ +#define RETU_IOCH_READ _IO(URT_IOC_MAGIC, 1) +#define RETU_IOCX_WRITE _IO(URT_IOC_MAGIC, 2) +#define RETU_IOCH_ADC_READ _IO(URT_IOC_MAGIC, 3) + +/* TAHVO */ +#define TAHVO_IOCH_READ _IO(URT_IOC_MAGIC, 4) +#define TAHVO_IOCX_WRITE _IO(URT_IOC_MAGIC, 5) + +/* This structure is used for writing RETU/TAHVO registers */ +struct retu_tahvo_write_parms { + u32 field; + u16 value; + u8 result; +}; + +#endif