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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/sound/pci/asihpi/hpios.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/asihpi/hpios.c')
-rw-r--r-- | ANDROID_3.4.5/sound/pci/asihpi/hpios.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/ANDROID_3.4.5/sound/pci/asihpi/hpios.c b/ANDROID_3.4.5/sound/pci/asihpi/hpios.c deleted file mode 100644 index 5ef4fe96..00000000 --- a/ANDROID_3.4.5/sound/pci/asihpi/hpios.c +++ /dev/null @@ -1,83 +0,0 @@ -/****************************************************************************** - - AudioScience HPI driver - Copyright (C) 1997-2012 AudioScience Inc. <support@audioscience.com> - - 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 - -HPI Operating System function implementation for Linux - -(C) Copyright AudioScience Inc. 1997-2003 -******************************************************************************/ -#define SOURCEFILE_NAME "hpios.c" -#include "hpi_internal.h" -#include "hpidebug.h" -#include <linux/delay.h> -#include <linux/sched.h> - -void hpios_delay_micro_seconds(u32 num_micro_sec) -{ - if ((usecs_to_jiffies(num_micro_sec) > 1) && !in_interrupt()) { - /* MUST NOT SCHEDULE IN INTERRUPT CONTEXT! */ - schedule_timeout_uninterruptible(usecs_to_jiffies - (num_micro_sec)); - } else if (num_micro_sec <= 2000) - udelay(num_micro_sec); - else - mdelay(num_micro_sec / 1000); - -} - -/** Allocate an area of locked memory for bus master DMA operations. - -If allocation fails, return 1, and *pMemArea.size = 0 -*/ -u16 hpios_locked_mem_alloc(struct consistent_dma_area *p_mem_area, u32 size, - struct pci_dev *pdev) -{ - /*?? any benefit in using managed dmam_alloc_coherent? */ - p_mem_area->vaddr = - dma_alloc_coherent(&pdev->dev, size, &p_mem_area->dma_handle, - GFP_DMA32 | GFP_KERNEL); - - if (p_mem_area->vaddr) { - HPI_DEBUG_LOG(DEBUG, "allocated %d bytes, dma 0x%x vma %p\n", - size, (unsigned int)p_mem_area->dma_handle, - p_mem_area->vaddr); - p_mem_area->pdev = &pdev->dev; - p_mem_area->size = size; - return 0; - } else { - HPI_DEBUG_LOG(WARNING, - "failed to allocate %d bytes locked memory\n", size); - p_mem_area->size = 0; - return 1; - } -} - -u16 hpios_locked_mem_free(struct consistent_dma_area *p_mem_area) -{ - if (p_mem_area->size) { - dma_free_coherent(p_mem_area->pdev, p_mem_area->size, - p_mem_area->vaddr, p_mem_area->dma_handle); - HPI_DEBUG_LOG(DEBUG, "freed %lu bytes, dma 0x%x vma %p\n", - (unsigned long)p_mem_area->size, - (unsigned int)p_mem_area->dma_handle, - p_mem_area->vaddr); - p_mem_area->size = 0; - return 0; - } else { - return 1; - } -} |