diff options
| -rw-r--r-- | drivers/staging/rar_register/rar_register.h | 115 |
1 files changed, 55 insertions, 60 deletions
diff --git a/drivers/staging/rar_register/rar_register.h b/drivers/staging/rar_register/rar_register.h index 4172fbf3632..29ade0f361d 100644 --- a/drivers/staging/rar_register/rar_register.h +++ b/drivers/staging/rar_register/rar_register.h @@ -1,9 +1,53 @@ -/* === RAR Physical Addresses === */ -struct RAR_address_struct { - u32 low; - u32 high; +/* + * Copyright (C) 2010 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General + * Public License as published by the Free Software Foundation. + * + * 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. + * The full GNU General Public License is included in this + * distribution in the file called COPYING. + */ + + +#ifndef _RAR_REGISTER_H +#define _RAR_REGISTER_H + +# include <linux/types.h> + +/* following are used both in drivers as well as user space apps */ +enum RAR_type { + RAR_TYPE_VIDEO = 0, + RAR_TYPE_AUDIO, + RAR_TYPE_IMAGE, + RAR_TYPE_DATA }; +#ifdef __KERNEL__ + +/* PCI device id for controller */ +#define PCI_RAR_DEVICE_ID 0x4110 + +/* The register_rar function is to used by other device drivers + * to ensure that this driver is ready. As we cannot be sure of + * the compile/execute order of dirvers in ther kernel, it is + * best to give this driver a callback function to call when + * it is ready to give out addresses. The callback function + * would have those steps that continue the initialization of + * a driver that do require a valid RAR address. One of those + * steps would be to call get_rar_address() + * This function return 0 on success an -1 on failure. + */ +int register_rar(int (*callback)(void *yourparameter), void *yourparameter); + /* The get_rar_address function is used by other device drivers * to obtain RAR address information on a RAR. It takes two * parameter: @@ -19,10 +63,11 @@ struct RAR_address_struct { * The function returns a 0 upon success or a -1 if there is no RAR * facility on this system. */ -int get_rar_address(int rar_index, struct RAR_address_struct *addresses); - +int rar_get_address(int rar_index, + dma_addr_t *start_address, + dma_addr_t *end_address); -/* The lock_rar function is used by other device drivers to lock an RAR. +/* The lock_rar function is ued by other device drivers to lock an RAR. * once an RAR is locked, it stays locked until the next system reboot. * The function takes one parameter: * @@ -33,57 +78,7 @@ int get_rar_address(int rar_index, struct RAR_address_struct *addresses); * The function returns a 0 upon success or a -1 if there is no RAR * facility on this system. */ -int lock_rar(int rar_index); - - -/* DEBUG LEVEL MASKS */ -#define RAR_DEBUG_LEVEL_BASIC 0x1 - -#define RAR_DEBUG_LEVEL_REGISTERS 0x2 - -#define RAR_DEBUG_LEVEL_EXTENDED 0x4 - -#define DEBUG_LEVEL 0x7 - -/* FUNCTIONAL MACROS */ - -/* debug macro without paramaters */ -#define DEBUG_PRINT_0(DEBUG_LEVEL , info) \ -do { \ - if (DEBUG_LEVEL) { \ - printk(KERN_WARNING info); \ - } \ -} while (0) - -/* debug macro with 1 paramater */ -#define DEBUG_PRINT_1(DEBUG_LEVEL , info , param1) \ -do { \ - if (DEBUG_LEVEL) { \ - printk(KERN_WARNING info , param1); \ - } \ -} while (0) - -/* debug macro with 2 paramaters */ -#define DEBUG_PRINT_2(DEBUG_LEVEL , info , param1, param2) \ -do { \ - if (DEBUG_LEVEL) { \ - printk(KERN_WARNING info , param1, param2); \ - } \ -} while (0) - -/* debug macro with 3 paramaters */ -#define DEBUG_PRINT_3(DEBUG_LEVEL , info , param1, param2 , param3) \ -do { \ - if (DEBUG_LEVEL) { \ - printk(KERN_WARNING info , param1, param2 , param3); \ - } \ -} while (0) - -/* debug macro with 4 paramaters */ -#define DEBUG_PRINT_4(DEBUG_LEVEL , info , param1, param2 , param3 , param4) \ -do { \ - if (DEBUG_LEVEL) { \ - printk(KERN_WARNING info , param1, param2 , param3 , param4); \ - } \ -} while (0) +int rar_lock(int rar_index); +#endif /* __KERNEL__ */ +#endif /* _RAR_REGISTER_H */ |