diff options
author | Alan Cox <alan@linux.intel.com> | 2017-04-28 13:10:13 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-28 14:27:26 +0200 |
commit | 31d677a9cab0cf532b21c8896f4906b96423c07b (patch) | |
tree | b92c4c03e90583a288e387aec595d05c07be717b /drivers/staging | |
parent | 08674e986293c36dcb078702009760291bec4f2c (diff) | |
download | linux-stable-31d677a9cab0cf532b21c8896f4906b96423c07b.tar.gz linux-stable-31d677a9cab0cf532b21c8896f4906b96423c07b.tar.bz2 linux-stable-31d677a9cab0cf532b21c8896f4906b96423c07b.zip |
atomisp: remove some more unused files
The extra list contains some which are used and some which are not. At this
point I think we can safely remove those that are simply not used.
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
4 files changed, 0 insertions, 563 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp2/Makefile b/drivers/staging/media/atomisp/pci/atomisp2/Makefile index 96a7bd0fa96e..7417dbdd90d6 100644 --- a/drivers/staging/media/atomisp/pci/atomisp2/Makefile +++ b/drivers/staging/media/atomisp/pci/atomisp2/Makefile @@ -157,17 +157,6 @@ atomisp-objs += \ hrt/hive_isp_css_mm_hrt.o \ atomisp_v4l2.o -extra= \ - hrt/hive_isp_css_mm_hrt.o \ - hrt/memory_access.o \ - hrt/device_access.o \ - hmm/hmm_dynamic_pool.o \ - hmm/hmm_vm.o \ - hmm/hmm_reserved_pool.o \ - hmm/hmm_bo_dev.o \ - hmm/hmm.o \ - hmm/hmm_bo.o - # These will be needed when clean merge CHT support nicely into the driver # Keep them here handy for when we get to that point # diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo_dev.c b/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo_dev.c deleted file mode 100644 index d22a2d2388c2..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo_dev.c +++ /dev/null @@ -1,333 +0,0 @@ -/* - * Support for Medifield PNW Camera Imaging ISP subsystem. - * - * Copyright (c) 2010 Intel Corporation. All Rights Reserved. - * - * Copyright (c) 2010 Silicon Hive www.siliconhive.com. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License version - * 2 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - * - */ -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/gfp.h> -#include <linux/mm.h> /* for GFP_ATOMIC */ -#include <linux/slab.h> /* for kmalloc */ -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/string.h> -#include <linux/list.h> -#include <linux/errno.h> - -#ifdef CONFIG_ION -#include <linux/ion.h> -#endif - -#include "atomisp_internal.h" -#include "hmm/hmm_common.h" -#include "hmm/hmm_bo_dev.h" -#include "hmm/hmm_bo.h" - -/* - * hmm_bo_device functions. - */ -int hmm_bo_device_init(struct hmm_bo_device *bdev, - struct isp_mmu_client *mmu_driver, - unsigned int vaddr_start, unsigned int size) -{ - int ret; - - check_bodev_null_return(bdev, -EINVAL); - - ret = isp_mmu_init(&bdev->mmu, mmu_driver); - if (ret) { - dev_err(atomisp_dev, "isp_mmu_init failed.\n"); - goto isp_mmu_init_err; - } - - ret = hmm_vm_init(&bdev->vaddr_space, vaddr_start, size); - if (ret) { - dev_err(atomisp_dev, "hmm_vm_init failed. vaddr_start = 0x%x, size = %d\n", - vaddr_start, size); - goto vm_init_err; - } - - INIT_LIST_HEAD(&bdev->free_bo_list); - INIT_LIST_HEAD(&bdev->active_bo_list); - - spin_lock_init(&bdev->list_lock); -#ifdef CONFIG_ION - /* - * TODO: - * The ion_dev should be defined by ION driver. But ION driver does - * not implement it yet, will fix it when it is ready. - */ - if (!ion_dev) - goto vm_init_err; - - bdev->iclient = ion_client_create(ion_dev, "atomisp"); - if (IS_ERR_OR_NULL(bdev->iclient)) { - ret = PTR_ERR(bdev->iclient); - if (!bdev->iclient) - ret = -EINVAL; - goto vm_init_err; - } -#endif - bdev->flag = HMM_BO_DEVICE_INITED; - - return 0; - -vm_init_err: - isp_mmu_exit(&bdev->mmu); -isp_mmu_init_err: - return ret; -} - -void hmm_bo_device_exit(struct hmm_bo_device *bdev) -{ - check_bodev_null_return_void(bdev); - - /* - * destroy all bos in the bo list, even they are in use. - */ - if (!list_empty(&bdev->active_bo_list)) - dev_warn(atomisp_dev, - "there're still activated bo in use. " - "force to free them.\n"); - - while (!list_empty(&bdev->active_bo_list)) - hmm_bo_unref(list_to_hmm_bo(bdev->active_bo_list.next)); - - if (!list_empty(&bdev->free_bo_list)) - dev_warn(atomisp_dev, - "there're still bo in free_bo_list. " - "force to free them.\n"); - - while (!list_empty(&bdev->free_bo_list)) - hmm_bo_unref(list_to_hmm_bo(bdev->free_bo_list.next)); - - isp_mmu_exit(&bdev->mmu); - hmm_vm_clean(&bdev->vaddr_space); -#ifdef CONFIG_ION - if (bdev->iclient != NULL) - ion_client_destroy(bdev->iclient); -#endif -} - -int hmm_bo_device_inited(struct hmm_bo_device *bdev) -{ - check_bodev_null_return(bdev, -EINVAL); - - return bdev->flag == HMM_BO_DEVICE_INITED; -} - -/* - * find the buffer object with virtual address vaddr. - * return NULL if no such buffer object found. - */ -struct hmm_buffer_object *hmm_bo_device_search_start(struct hmm_bo_device *bdev, - ia_css_ptr vaddr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return(bdev, NULL); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->active_bo_list) { - bo = list_to_hmm_bo(pos); - /* pass bo which has no vm_node allocated */ - if (!hmm_bo_vm_allocated(bo)) - continue; - if (bo->vm_node->start == vaddr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return NULL; -found: - spin_unlock_irqrestore(&bdev->list_lock, flags); - return bo; -} - -static int in_range(unsigned int start, unsigned int size, unsigned int addr) -{ - return (start <= addr) && (start + size > addr); -} - -struct hmm_buffer_object *hmm_bo_device_search_in_range(struct hmm_bo_device - *bdev, - unsigned int vaddr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - int cnt = 0; - - check_bodev_null_return(bdev, NULL); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->active_bo_list) { - cnt++; - bo = list_to_hmm_bo(pos); - /* pass bo which has no vm_node allocated */ - if (!hmm_bo_vm_allocated(bo)) - continue; - if (in_range(bo->vm_node->start, bo->vm_node->size, vaddr)) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return NULL; -found: - if (cnt > HMM_BO_CACHE_SIZE) - list_move(pos, &bdev->active_bo_list); - spin_unlock_irqrestore(&bdev->list_lock, flags); - return bo; -} - -struct hmm_buffer_object * -hmm_bo_device_search_vmap_start(struct hmm_bo_device *bdev, const void *vaddr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return(bdev, NULL); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->active_bo_list) { - bo = list_to_hmm_bo(pos); - /* pass bo which has no vm_node allocated */ - if (!hmm_bo_vm_allocated(bo)) - continue; - if (bo->vmap_addr == vaddr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return NULL; -found: - spin_unlock_irqrestore(&bdev->list_lock, flags); - return bo; -} - -/* - * find a buffer object with pgnr pages from free_bo_list and - * activate it (remove from free_bo_list and add to - * active_bo_list) - * - * return NULL if no such buffer object found. - */ -struct hmm_buffer_object *hmm_bo_device_get_bo(struct hmm_bo_device *bdev, - unsigned int pgnr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return(bdev, NULL); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->free_bo_list) { - bo = list_to_hmm_bo(pos); - if (bo->pgnr == pgnr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return NULL; -found: - list_del(&bo->list); - list_add(&bo->list, &bdev->active_bo_list); - spin_unlock_irqrestore(&bdev->list_lock, flags); - - return bo; -} - -/* - * destroy all buffer objects in the free_bo_list. - */ -void hmm_bo_device_destroy_free_bo_list(struct hmm_bo_device *bdev) -{ - struct hmm_buffer_object *bo, *tmp; - unsigned long flags; - struct list_head new_head; - - check_bodev_null_return_void(bdev); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_replace_init(&bdev->free_bo_list, &new_head); - spin_unlock_irqrestore(&bdev->list_lock, flags); - - list_for_each_entry_safe(bo, tmp, &new_head, list) { - list_del(&bo->list); - hmm_bo_unref(bo); - } -} - -/* - * destroy buffer object with start virtual address vaddr. - */ -void hmm_bo_device_destroy_free_bo_addr(struct hmm_bo_device *bdev, - unsigned int vaddr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return_void(bdev); - - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->free_bo_list) { - bo = list_to_hmm_bo(pos); - /* pass bo which has no vm_node allocated */ - if (!hmm_bo_vm_allocated(bo)) - continue; - if (bo->vm_node->start == vaddr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return; -found: - list_del(&bo->list); - spin_unlock_irqrestore(&bdev->list_lock, flags); - hmm_bo_unref(bo); -} - -/* - * destroy all buffer objects with pgnr pages. - */ -void hmm_bo_device_destroy_free_bo_size(struct hmm_bo_device *bdev, - unsigned int pgnr) -{ - struct list_head *pos; - struct hmm_buffer_object *bo; - unsigned long flags; - - check_bodev_null_return_void(bdev); - -retry: - spin_lock_irqsave(&bdev->list_lock, flags); - list_for_each(pos, &bdev->free_bo_list) { - bo = list_to_hmm_bo(pos); - if (bo->pgnr == pgnr) - goto found; - } - spin_unlock_irqrestore(&bdev->list_lock, flags); - return; -found: - list_del(&bo->list); - spin_unlock_irqrestore(&bdev->list_lock, flags); - hmm_bo_unref(bo); - goto retry; -} diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hrt/device_access.c b/drivers/staging/media/atomisp/pci/atomisp2/hrt/device_access.c deleted file mode 100644 index c870266ae880..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/hrt/device_access.c +++ /dev/null @@ -1,116 +0,0 @@ - -#include "device_access.h" - -#include "assert_support.h" - -#include <hrt/master_port.h> /* hrt_master_port_load() */ - -/* - * This is an HRT backend implementation for CSIM - */ - -static sys_address base_address = (sys_address)-1; - -void device_set_base_address( - const sys_address base_addr) -{ - base_address = base_addr; -return; -} - - -sys_address device_get_base_address(void) -{ -return base_address; -} - -uint8_t device_load_uint8( - const hrt_address addr) -{ -assert(base_address != (sys_address)-1); -return hrt_master_port_uload_8(base_address + addr); -} - -uint16_t device_load_uint16( - const hrt_address addr) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x01) == 0); -return hrt_master_port_uload_16(base_address + addr); -} - -uint32_t device_load_uint32( - const hrt_address addr) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x03) == 0); -return hrt_master_port_uload_32(base_address + addr); -} - -uint64_t device_load_uint64( - const hrt_address addr) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x07) == 0); -assert(0); -return 0; -} - -void device_store_uint8( - const hrt_address addr, - const uint8_t data) -{ -assert(base_address != (sys_address)-1); -hrt_master_port_store_8(base_address + addr, data); -return; -} - -void device_store_uint16( - const hrt_address addr, - const uint16_t data) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x01) == 0); -hrt_master_port_store_16(base_address + addr, data); -return; -} - -void device_store_uint32( - const hrt_address addr, - const uint32_t data) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x03) == 0); -hrt_master_port_store_32(base_address + addr, data); -return; -} - -void device_store_uint64( - const hrt_address addr, - const uint64_t data) -{ -assert(base_address != (sys_address)-1); -assert((addr & 0x07) == 0); -assert(0); -(void)data; -return; -} - -void device_load( - const hrt_address addr, - void *data, - const size_t size) -{ -assert(base_address != (sys_address)-1); - hrt_master_port_load((uint32_t)(base_address + addr), data, size); -} - -void device_store( - const hrt_address addr, - const void *data, - const size_t size) -{ -assert(base_address != (sys_address)-1); - hrt_master_port_store((uint32_t)(base_address + addr), data, size); -return; -} diff --git a/drivers/staging/media/atomisp/pci/atomisp2/hrt/memory_access.c b/drivers/staging/media/atomisp/pci/atomisp2/hrt/memory_access.c deleted file mode 100644 index 60e70cbddfe8..000000000000 --- a/drivers/staging/media/atomisp/pci/atomisp2/hrt/memory_access.c +++ /dev/null @@ -1,103 +0,0 @@ - -#include "memory_access.h" - -#include <stddef.h> /* NULL */ -#include <stdbool.h> - -#include "device_access.h" - -#include "mmu_device.h" - -#include "assert_support.h" - -/* Presently system specific */ -#include <hmm/hmm.h> -/* Presently system specific */ -#include "hive_isp_css_mm_hrt.h" - -/* - * This is an HRT backend implementation for CSIM - * 31 July 2012, rvanimme: this implementation is also used in Android context - */ - -static sys_address page_table_base_address = (sys_address)-1; - -void mmgr_set_base_address(const sys_address base_addr) -{ - page_table_base_address = base_addr; - -/* - * This is part of "device_access.h", but it may be - * that "hive_isp_css_mm_hrt.h" requires it - */ -/* hrt_isp_css_mm_set_ddr_address_offset(offset); */ -/* mmu_set_page_table_base_index(MMU0_ID, page_table_base_address); */ -} - -ia_css_ptr mmgr_malloc(const size_t size) -{ - return mmgr_alloc_attr(size, MMGR_ATTRIBUTE_CACHED); -} - -ia_css_ptr mmgr_calloc(const size_t N, const size_t size) -{ - return mmgr_alloc_attr(N * size, - MMGR_ATTRIBUTE_CLEARED|MMGR_ATTRIBUTE_CACHED); -} - -ia_css_ptr mmgr_alloc_attr(const size_t size, const uint16_t attribute) -{ - ia_css_ptr ptr; - size_t extra_space = 0; - size_t aligned_size = size; - - assert(page_table_base_address != (sys_address)-1); - assert((attribute & MMGR_ATTRIBUTE_UNUSED) == 0); - WARN_ON(attribute & MMGR_ATTRIBUTE_CONTIGUOUS); - - if (attribute & MMGR_ATTRIBUTE_CLEARED) { - if (attribute & MMGR_ATTRIBUTE_CACHED) { - ptr = hrt_isp_css_mm_calloc_cached( - aligned_size + extra_space); - } else { /* !MMGR_ATTRIBUTE_CACHED */ - ptr = hrt_isp_css_mm_calloc( - aligned_size + extra_space); - } - } else { /* MMGR_ATTRIBUTE_CLEARED */ - if (attribute & MMGR_ATTRIBUTE_CACHED) { - ptr = hrt_isp_css_mm_alloc_cached( - aligned_size + extra_space); - } else { /* !MMGR_ATTRIBUTE_CACHED */ - ptr = hrt_isp_css_mm_alloc( - aligned_size + extra_space); - } - } - return ptr; -} - -ia_css_ptr mmgr_mmap(const void *ptr, const size_t size, uint16_t attribute, - void *context) -{ - struct hrt_userbuffer_attr *userbuffer_attr = context; - return hrt_isp_css_mm_alloc_user_ptr(size, (void *)ptr, - userbuffer_attr->pgnr, - userbuffer_attr->type, - attribute & HRT_BUF_FLAG_CACHED); -} - -void mmgr_clear( - ia_css_ptr vaddr, - const size_t size) -{ - hmm_set(vaddr, 0, size); -} - -void mmgr_load(const ia_css_ptr vaddr, void *data, const size_t size) -{ - hmm_load(vaddr, data, size); -} - -void mmgr_store(const ia_css_ptr vaddr, const void *data, const size_t size) -{ - hmm_store(vaddr, data, size); -} |