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Commit 31d677a9 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
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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: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 08674e98
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drivers/staging/media/atomisp/pci/atomisp2/Makefile
View file @ 31d677a9
......@@ -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
#
......
drivers/staging/media/atomisp/pci/atomisp2/hmm/hmm_bo_dev.c deleted 100644 → 0
View file @ 08674e98
/*
* 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;
}
drivers/staging/media/atomisp/pci/atomisp2/hrt/device_access.c deleted 100644 → 0
View file @ 08674e98
#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;
}
drivers/staging/media/atomisp/pci/atomisp2/hrt/memory_access.c deleted 100644 → 0
View file @ 08674e98
#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);
}
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