diff options
Diffstat (limited to 'drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c')
| -rw-r--r-- | drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c | 368 |
1 files changed, 149 insertions, 219 deletions
diff --git a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c index a5144faae2b..96ebacced0f 100644 --- a/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c +++ b/drivers/gpu/mali/mali400ko/driver/src/devicedrv/mali/linux/mali_kernel_linux.c @@ -1,5 +1,5 @@ /** - * Copyright (C) 2010-2011 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. @@ -16,16 +16,13 @@ #include <linux/fs.h> /* file system operations */ #include <linux/cdev.h> /* character device definitions */ #include <linux/mm.h> /* memory mananger definitions */ -#include <asm/uaccess.h> /* user space access */ #include <linux/device.h> -#include <linux/proc_fs.h> /* the mali kernel subsystem types */ #include "mali_kernel_subsystem.h" /* A memory subsystem always exists, so no need to conditionally include it */ #include "mali_kernel_common.h" -#include "mali_kernel_mem.h" #include "mali_kernel_session_manager.h" #include "mali_kernel_core.h" @@ -36,9 +33,21 @@ #include "mali_ukk_wrappers.h" #include "mali_kernel_pm.h" +#include "mali_kernel_sysfs.h" + /* */ #include "mali_kernel_license.h" +/* Streamline support for the Mali driver */ +#if defined(CONFIG_TRACEPOINTS) +/* Ask Linux to create the tracepoints */ +#define CREATE_TRACE_POINTS +#include "mali_linux_trace.h" +#endif /* CONFIG_TRACEPOINTS */ + +/* from the __malidrv_build_info.c file that is generated during build */ +extern const char *__malidrv_build_info(void); + /* Setting this parameter will override memory settings in arch/config.h */ char *mali_mem = ""; module_param(mali_mem, charp, S_IRUSR | S_IWUSR | S_IWGRP | S_IROTH); /* rw-r--r-- */ @@ -72,24 +81,17 @@ module_param(mali_l2_max_reads, int, S_IRUSR | S_IRGRP | S_IROTH); MODULE_PARM_DESC(mali_l2_max_reads, "Maximum reads for Mali L2 cache"); #endif -struct mali_dev -{ - struct cdev cdev; -#if MALI_LICENSE_IS_GPL - struct class * mali_class; +#if MALI_TIMELINE_PROFILING_ENABLED +extern int mali_boot_profiling; +module_param(mali_boot_profiling, int, S_IRUSR | S_IRGRP | S_IROTH); +MODULE_PARM_DESC(mali_boot_profiling, "Start profiling as a part of Mali driver initialization"); #endif -}; static char mali_dev_name[] = "mali"; /* should be const, but the functions we call requires non-cost */ /* the mali device */ static struct mali_dev device; -#if MALI_STATE_TRACKING -static struct proc_dir_entry *proc_entry; -static int mali_proc_read(char *page, char **start, off_t off, int count, int *eof, void *data); -#endif - static int mali_open(struct inode *inode, struct file *filp); static int mali_release(struct inode *inode, struct file *filp); @@ -144,33 +146,15 @@ int mali_driver_init(void) return -EFAULT; } + /* print build options */ + MALI_DEBUG_PRINT(2, ("%s\n", __malidrv_build_info())); + return 0; } void mali_driver_exit(void) { - -#if USING_MALI_PMM -#if MALI_LICENSE_IS_GPL -#ifdef CONFIG_PM_RUNTIME -#if MALI_PMM_RUNTIME_JOB_CONTROL_ON - - _mali_osk_pmm_dev_activate(); -#endif -#endif -#endif -#endif - mali_kernel_destructor(); - -#if USING_MALI_PMM -#if MALI_LICENSE_IS_GPL -#ifdef CONFIG_PM_RUNTIME -#if MALI_PMM_RUNTIME_JOB_CONTROL_ON - _mali_osk_pmm_dev_idle(); -#endif -#endif -#endif -#endif + mali_kernel_destructor(); #if USING_MALI_PMM #if MALI_LICENSE_IS_GPL @@ -199,60 +183,39 @@ int initialize_kernel_device(void) err = register_chrdev_region(dev, 1/*count*/, mali_dev_name); } - if (0 == err) + if (err) { - memset(&device, 0, sizeof(device)); - - /* initialize our char dev data */ - cdev_init(&device.cdev, &mali_fops); - device.cdev.owner = THIS_MODULE; - device.cdev.ops = &mali_fops; - - /* register char dev with the kernel */ - err = cdev_add(&device.cdev, dev, 1/*count*/); - - if (0 == err) - { -#if MALI_STATE_TRACKING - proc_entry = create_proc_entry(mali_dev_name, 0444, NULL); - if (proc_entry != NULL) - { - proc_entry->read_proc = mali_proc_read; -#endif -#if MALI_LICENSE_IS_GPL - device.mali_class = class_create(THIS_MODULE, mali_dev_name); - if (IS_ERR(device.mali_class)) - { - err = PTR_ERR(device.mali_class); - } - else - { - struct device * mdev; - mdev = device_create(device.mali_class, NULL, dev, NULL, mali_dev_name); - if (!IS_ERR(mdev)) - { - return 0; - } - - err = PTR_ERR(mdev); - } - cdev_del(&device.cdev); -#else - return 0; -#endif -#if MALI_STATE_TRACKING - remove_proc_entry(mali_dev_name, NULL); - } - else - { - err = EFAULT; - } -#endif - } - unregister_chrdev_region(dev, 1/*count*/); + goto init_chrdev_err; } + memset(&device, 0, sizeof(device)); + + /* initialize our char dev data */ + cdev_init(&device.cdev, &mali_fops); + device.cdev.owner = THIS_MODULE; + device.cdev.ops = &mali_fops; + /* register char dev with the kernel */ + err = cdev_add(&device.cdev, dev, 1/*count*/); + if (err) + { + goto init_cdev_err; + } + + err = mali_sysfs_register(&device, dev, mali_dev_name); + if (err) + { + goto init_sysfs_err; + } + + /* Success! */ + return 0; + +init_sysfs_err: + cdev_del(&device.cdev); +init_cdev_err: + unregister_chrdev_region(dev, 1/*count*/); +init_chrdev_err: return err; } @@ -261,14 +224,7 @@ void terminate_kernel_device(void) { dev_t dev = MKDEV(mali_major, 0); -#if MALI_LICENSE_IS_GPL - device_destroy(device.mali_class, dev); - class_destroy(device.mali_class); -#endif - -#if MALI_STATE_TRACKING - remove_proc_entry(mali_dev_name, NULL); -#endif + mali_sysfs_unregister(&device, dev, mali_dev_name); /* unregister char device */ cdev_del(&device.cdev); @@ -360,8 +316,8 @@ static long mali_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) static int mali_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg) #endif { - int err; - struct mali_session_data *session_data; + int err; + struct mali_session_data *session_data; #ifndef HAVE_UNLOCKED_IOCTL /* inode not used */ @@ -370,93 +326,98 @@ static int mali_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, MALI_DEBUG_PRINT(7, ("Ioctl received 0x%08X 0x%08lX\n", cmd, arg)); - session_data = (struct mali_session_data *)filp->private_data; - if (NULL == session_data) + session_data = (struct mali_session_data *)filp->private_data; + if (NULL == session_data) { MALI_DEBUG_PRINT(7, ("filp->private_data was NULL\n")); return -ENOTTY; } - if (NULL == (void *)arg) + + if (NULL == (void *)arg) { MALI_DEBUG_PRINT(7, ("arg was NULL\n")); return -ENOTTY; } - switch(cmd) - { - case MALI_IOC_GET_SYSTEM_INFO_SIZE: - err = get_system_info_size_wrapper(session_data, (_mali_uk_get_system_info_size_s __user *)arg); - break; + switch(cmd) + { + case MALI_IOC_GET_SYSTEM_INFO_SIZE: + err = get_system_info_size_wrapper(session_data, (_mali_uk_get_system_info_size_s __user *)arg); + break; - case MALI_IOC_GET_SYSTEM_INFO: - err = get_system_info_wrapper(session_data, (_mali_uk_get_system_info_s __user *)arg); - break; + case MALI_IOC_GET_SYSTEM_INFO: + err = get_system_info_wrapper(session_data, (_mali_uk_get_system_info_s __user *)arg); + break; - case MALI_IOC_WAIT_FOR_NOTIFICATION: - err = wait_for_notification_wrapper(session_data, (_mali_uk_wait_for_notification_s __user *)arg); - break; + case MALI_IOC_WAIT_FOR_NOTIFICATION: + err = wait_for_notification_wrapper(session_data, (_mali_uk_wait_for_notification_s __user *)arg); + break; - case MALI_IOC_GET_API_VERSION: - err = get_api_version_wrapper(session_data, (_mali_uk_get_api_version_s __user *)arg); - break; + case MALI_IOC_GET_API_VERSION: + err = get_api_version_wrapper(session_data, (_mali_uk_get_api_version_s __user *)arg); + break; - case MALI_IOC_POST_NOTIFICATION: - err = post_notification_wrapper(session_data, (_mali_uk_post_notification_s __user *)arg); - break; + case MALI_IOC_POST_NOTIFICATION: + err = post_notification_wrapper(session_data, (_mali_uk_post_notification_s __user *)arg); + break; #if MALI_TIMELINE_PROFILING_ENABLED - case MALI_IOC_PROFILING_START: - err = profiling_start_wrapper(session_data, (_mali_uk_profiling_start_s __user *)arg); - break; + case MALI_IOC_PROFILING_START: + err = profiling_start_wrapper(session_data, (_mali_uk_profiling_start_s __user *)arg); + break; case MALI_IOC_PROFILING_ADD_EVENT: - err = profiling_add_event_wrapper(session_data, (_mali_uk_profiling_add_event_s __user *)arg); - break; + err = profiling_add_event_wrapper(session_data, (_mali_uk_profiling_add_event_s __user *)arg); + break; case MALI_IOC_PROFILING_STOP: - err = profiling_stop_wrapper(session_data, (_mali_uk_profiling_stop_s __user *)arg); - break; + err = profiling_stop_wrapper(session_data, (_mali_uk_profiling_stop_s __user *)arg); + break; case MALI_IOC_PROFILING_GET_EVENT: - err = profiling_get_event_wrapper(session_data, (_mali_uk_profiling_get_event_s __user *)arg); - break; + err = profiling_get_event_wrapper(session_data, (_mali_uk_profiling_get_event_s __user *)arg); + break; case MALI_IOC_PROFILING_CLEAR: - err = profiling_clear_wrapper(session_data, (_mali_uk_profiling_clear_s __user *)arg); - break; + err = profiling_clear_wrapper(session_data, (_mali_uk_profiling_clear_s __user *)arg); + break; + + case MALI_IOC_PROFILING_GET_CONFIG: + err = profiling_get_config_wrapper(session_data, (_mali_uk_profiling_get_config_s __user *)arg); + break; #endif - case MALI_IOC_MEM_INIT: - err = mem_init_wrapper(session_data, (_mali_uk_init_mem_s __user *)arg); - break; + case MALI_IOC_MEM_INIT: + err = mem_init_wrapper(session_data, (_mali_uk_init_mem_s __user *)arg); + break; - case MALI_IOC_MEM_TERM: - err = mem_term_wrapper(session_data, (_mali_uk_term_mem_s __user *)arg); - break; + case MALI_IOC_MEM_TERM: + err = mem_term_wrapper(session_data, (_mali_uk_term_mem_s __user *)arg); + break; - case MALI_IOC_MEM_MAP_EXT: - err = mem_map_ext_wrapper(session_data, (_mali_uk_map_external_mem_s __user *)arg); - break; + case MALI_IOC_MEM_MAP_EXT: + err = mem_map_ext_wrapper(session_data, (_mali_uk_map_external_mem_s __user *)arg); + break; - case MALI_IOC_MEM_UNMAP_EXT: - err = mem_unmap_ext_wrapper(session_data, (_mali_uk_unmap_external_mem_s __user *)arg); - break; + case MALI_IOC_MEM_UNMAP_EXT: + err = mem_unmap_ext_wrapper(session_data, (_mali_uk_unmap_external_mem_s __user *)arg); + break; - case MALI_IOC_MEM_QUERY_MMU_PAGE_TABLE_DUMP_SIZE: - err = mem_query_mmu_page_table_dump_size_wrapper(session_data, (_mali_uk_query_mmu_page_table_dump_size_s __user *)arg); - break; + case MALI_IOC_MEM_QUERY_MMU_PAGE_TABLE_DUMP_SIZE: + err = mem_query_mmu_page_table_dump_size_wrapper(session_data, (_mali_uk_query_mmu_page_table_dump_size_s __user *)arg); + break; - case MALI_IOC_MEM_DUMP_MMU_PAGE_TABLE: - err = mem_dump_mmu_page_table_wrapper(session_data, (_mali_uk_dump_mmu_page_table_s __user *)arg); - break; + case MALI_IOC_MEM_DUMP_MMU_PAGE_TABLE: + err = mem_dump_mmu_page_table_wrapper(session_data, (_mali_uk_dump_mmu_page_table_s __user *)arg); + break; - case MALI_IOC_MEM_GET_BIG_BLOCK: - err = mem_get_big_block_wrapper(filp, (_mali_uk_get_big_block_s __user *)arg); - break; + case MALI_IOC_MEM_GET_BIG_BLOCK: + err = mem_get_big_block_wrapper(filp, (_mali_uk_get_big_block_s __user *)arg); + break; - case MALI_IOC_MEM_FREE_BIG_BLOCK: - err = mem_free_big_block_wrapper(session_data, (_mali_uk_free_big_block_s __user *)arg); - break; + case MALI_IOC_MEM_FREE_BIG_BLOCK: + err = mem_free_big_block_wrapper(session_data, (_mali_uk_free_big_block_s __user *)arg); + break; #if MALI_USE_UNIFIED_MEMORY_PROVIDER != 0 @@ -472,89 +433,58 @@ static int mali_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, case MALI_IOC_MEM_ATTACH_UMP: case MALI_IOC_MEM_RELEASE_UMP: /* FALL-THROUGH */ - MALI_DEBUG_PRINT(2, ("UMP not supported\n")); - err = -ENOTTY; + MALI_DEBUG_PRINT(2, ("UMP not supported\n")); + err = -ENOTTY; break; #endif - case MALI_IOC_PP_START_JOB: - err = pp_start_job_wrapper(session_data, (_mali_uk_pp_start_job_s __user *)arg); - break; + case MALI_IOC_PP_START_JOB: + err = pp_start_job_wrapper(session_data, (_mali_uk_pp_start_job_s __user *)arg); + break; - case MALI_IOC_PP_ABORT_JOB: - err = pp_abort_job_wrapper(session_data, (_mali_uk_pp_abort_job_s __user *)arg); - break; + case MALI_IOC_PP_ABORT_JOB: + err = pp_abort_job_wrapper(session_data, (_mali_uk_pp_abort_job_s __user *)arg); + break; - case MALI_IOC_PP_NUMBER_OF_CORES_GET: - err = pp_get_number_of_cores_wrapper(session_data, (_mali_uk_get_pp_number_of_cores_s __user *)arg); - break; + case MALI_IOC_PP_NUMBER_OF_CORES_GET: + err = pp_get_number_of_cores_wrapper(session_data, (_mali_uk_get_pp_number_of_cores_s __user *)arg); + break; - case MALI_IOC_PP_CORE_VERSION_GET: - err = pp_get_core_version_wrapper(session_data, (_mali_uk_get_pp_core_version_s __user *)arg); - break; + case MALI_IOC_PP_CORE_VERSION_GET: + err = pp_get_core_version_wrapper(session_data, (_mali_uk_get_pp_core_version_s __user *)arg); + break; - case MALI_IOC_GP2_START_JOB: - err = gp_start_job_wrapper(session_data, (_mali_uk_gp_start_job_s __user *)arg); - break; + case MALI_IOC_GP2_START_JOB: + err = gp_start_job_wrapper(session_data, (_mali_uk_gp_start_job_s __user *)arg); + break; - case MALI_IOC_GP2_ABORT_JOB: - err = gp_abort_job_wrapper(session_data, (_mali_uk_gp_abort_job_s __user *)arg); - break; + case MALI_IOC_GP2_ABORT_JOB: + err = gp_abort_job_wrapper(session_data, (_mali_uk_gp_abort_job_s __user *)arg); + break; - case MALI_IOC_GP2_NUMBER_OF_CORES_GET: - err = gp_get_number_of_cores_wrapper(session_data, (_mali_uk_get_gp_number_of_cores_s __user *)arg); - break; + case MALI_IOC_GP2_NUMBER_OF_CORES_GET: + err = gp_get_number_of_cores_wrapper(session_data, (_mali_uk_get_gp_number_of_cores_s __user *)arg); + break; - case MALI_IOC_GP2_CORE_VERSION_GET: - err = gp_get_core_version_wrapper(session_data, (_mali_uk_get_gp_core_version_s __user *)arg); - break; + case MALI_IOC_GP2_CORE_VERSION_GET: + err = gp_get_core_version_wrapper(session_data, (_mali_uk_get_gp_core_version_s __user *)arg); + break; - case MALI_IOC_GP2_SUSPEND_RESPONSE: - err = gp_suspend_response_wrapper(session_data, (_mali_uk_gp_suspend_response_s __user *)arg); - break; + case MALI_IOC_GP2_SUSPEND_RESPONSE: + err = gp_suspend_response_wrapper(session_data, (_mali_uk_gp_suspend_response_s __user *)arg); + break; case MALI_IOC_VSYNC_EVENT_REPORT: - err = vsync_event_report_wrapper(session_data, (_mali_uk_vsync_event_report_s __user *)arg); - break; - - default: - MALI_DEBUG_PRINT(2, ("No handler for ioctl 0x%08X 0x%08lX\n", cmd, arg)); - err = -ENOTTY; - }; - - return err; -} - -#if MALI_STATE_TRACKING -static int mali_proc_read(char *page, char **start, off_t off, int count, int *eof, void *data) -{ - int len = 0; - - MALI_DEBUG_PRINT(1, ("mali_proc_read(page=%p, start=%p, off=%u, count=%d, eof=%p, data=%p\n", page, start, off, count, eof, data)); - - if (off > 0) - { - return 0; - } - - if (count < 1024) - { - return 0; - } - - len = sprintf(page + len, "Mali device driver %s\n", SVN_REV_STRING); - len += sprintf(page + len, "License: %s\n", MALI_KERNEL_LINUX_LICENSE); + err = vsync_event_report_wrapper(session_data, (_mali_uk_vsync_event_report_s __user *)arg); + break; - /* - * A more elegant solution would be to gather information from all subsystems and - * then report it all in the /proc/mali file, but this would require a bit more work. - * Use MALI_PRINT for now so we get the information in the dmesg log at least. - */ - _mali_kernel_core_dump_state(); + default: + MALI_DEBUG_PRINT(2, ("No handler for ioctl 0x%08X 0x%08lX\n", cmd, arg)); + err = -ENOTTY; + }; - return len; + return err; } -#endif module_init(mali_driver_init); |