diff options
Diffstat (limited to 'drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c')
| -rw-r--r-- | drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c | 143 |
1 files changed, 138 insertions, 5 deletions
diff --git a/drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c b/drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c index 8b73ca8..e5c5903 100644 --- a/drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c +++ b/drivers/media/video/samsung/ump/linux/ump_ukk_wrappers.c @@ -1,9 +1,9 @@ /* - * Copyright (C) 2010 ARM Limited. All rights reserved. - * + * Copyright (C) 2010-2012 ARM Limited. All rights reserved. + * * This program is free software and is provided to you under the terms of the GNU General Public License version 2 * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence. - * + * * A copy of the licence is included with the program, and can also be obtained from Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ @@ -138,9 +138,9 @@ int ump_size_get_wrapper(u32 __user * argument, struct ump_session_data * sessi } /* - * IOCTL operation; Return size for specified UMP memory. + * IOCTL operation; Do cache maintenance on specified UMP memory. */ - int ump_msync_wrapper(u32 __user * argument, struct ump_session_data * session_data) +int ump_msync_wrapper(u32 __user * argument, struct ump_session_data * session_data) { _ump_uk_msync_s user_interaction; @@ -171,3 +171,136 @@ int ump_size_get_wrapper(u32 __user * argument, struct ump_session_data * sessi return 0; /* success */ } +int ump_cache_operations_control_wrapper(u32 __user * argument, struct ump_session_data * session_data) +{ + _ump_uk_cache_operations_control_s user_interaction; + + /* Sanity check input parameters */ + if (NULL == argument || NULL == session_data) + { + MSG_ERR(("NULL parameter in ump_ioctl_size_get()\n")); + return -ENOTTY; + } + + if (0 != copy_from_user(&user_interaction, argument, sizeof(user_interaction))) + { + MSG_ERR(("copy_from_user() in ump_ioctl_cache_operations_control()\n")); + return -EFAULT; + } + + user_interaction.ctx = (void *) session_data; + + _ump_ukk_cache_operations_control((_ump_uk_cache_operations_control_s*) &user_interaction ); + + user_interaction.ctx = NULL; + +#if 0 /* No data to copy back */ + if (0 != copy_to_user(argument, &user_interaction, sizeof(user_interaction))) + { + MSG_ERR(("copy_to_user() failed in ump_ioctl_cache_operations_control()\n")); + return -EFAULT; + } +#endif + return 0; /* success */ +} + +int ump_switch_hw_usage_wrapper(u32 __user * argument, struct ump_session_data * session_data) +{ + _ump_uk_switch_hw_usage_s user_interaction; + + /* Sanity check input parameters */ + if (NULL == argument || NULL == session_data) + { + MSG_ERR(("NULL parameter in ump_ioctl_size_get()\n")); + return -ENOTTY; + } + + if (0 != copy_from_user(&user_interaction, argument, sizeof(user_interaction))) + { + MSG_ERR(("copy_from_user() in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } + + user_interaction.ctx = (void *) session_data; + + _ump_ukk_switch_hw_usage( &user_interaction ); + + user_interaction.ctx = NULL; + +#if 0 /* No data to copy back */ + if (0 != copy_to_user(argument, &user_interaction, sizeof(user_interaction))) + { + MSG_ERR(("copy_to_user() failed in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } +#endif + return 0; /* success */ +} + +int ump_lock_wrapper(u32 __user * argument, struct ump_session_data * session_data) +{ + _ump_uk_lock_s user_interaction; + + /* Sanity check input parameters */ + if (NULL == argument || NULL == session_data) + { + MSG_ERR(("NULL parameter in ump_ioctl_size_get()\n")); + return -ENOTTY; + } + + if (0 != copy_from_user(&user_interaction, argument, sizeof(user_interaction))) + { + MSG_ERR(("copy_from_user() in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } + + user_interaction.ctx = (void *) session_data; + + _ump_ukk_lock( &user_interaction ); + + user_interaction.ctx = NULL; + +#if 0 /* No data to copy back */ + if (0 != copy_to_user(argument, &user_interaction, sizeof(user_interaction))) + { + MSG_ERR(("copy_to_user() failed in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } +#endif + + return 0; /* success */ +} + +int ump_unlock_wrapper(u32 __user * argument, struct ump_session_data * session_data) +{ + _ump_uk_unlock_s user_interaction; + + /* Sanity check input parameters */ + if (NULL == argument || NULL == session_data) + { + MSG_ERR(("NULL parameter in ump_ioctl_size_get()\n")); + return -ENOTTY; + } + + if (0 != copy_from_user(&user_interaction, argument, sizeof(user_interaction))) + { + MSG_ERR(("copy_from_user() in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } + + user_interaction.ctx = (void *) session_data; + + _ump_ukk_unlock( &user_interaction ); + + user_interaction.ctx = NULL; + +#if 0 /* No data to copy back */ + if (0 != copy_to_user(argument, &user_interaction, sizeof(user_interaction))) + { + MSG_ERR(("copy_to_user() failed in ump_ioctl_switch_hw_usage()\n")); + return -EFAULT; + } +#endif + + return 0; /* success */ +} |