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mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-29 11:11:45 -04:00
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Merge branches 'amd/fixes', 'debug/dma-api', 'arm/omap', 'arm/msm', 'core', 'iommu/fault-reporting' and 'api/iommu-ops-per-bus' into next

Browse source 
Conflicts:
	drivers/iommu/amd_iommu.c
	drivers/iommu/iommu.c
This commit is contained in:
Joerg Roedel 2011-10-21 14:38:55 +02:00
commit 1abb4ba596
28 changed files with 869 additions and 647 deletions
Download patch file Download diff file Expand all files Collapse all files

3
drivers/media/video/Kconfig
View file

@ -763,8 +763,7 @@ source "drivers/media/video/m5mols/Kconfig"
config VIDEO_OMAP3
tristate "OMAP 3 Camera support (EXPERIMENTAL)"
select OMAP_IOMMU
depends on VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API && ARCH_OMAP3 && EXPERIMENTAL
depends on OMAP_IOVMM && VIDEO_V4L2 && I2C && VIDEO_V4L2_SUBDEV_API && ARCH_OMAP3 && EXPERIMENTAL
---help---
Driver for an OMAP 3 camera controller.

45
drivers/media/video/omap3isp/isp.c
View file

@ -80,6 +80,13 @@
#include "isph3a.h"
#include "isphist.h"
/*
* this is provided as an interim solution until omap3isp doesn't need
* any omap-specific iommu API
*/
#define to_iommu(dev) \
(struct omap_iommu *)platform_get_drvdata(to_platform_device(dev))
static unsigned int autoidle;
module_param(autoidle, int, 0444);
MODULE_PARM_DESC(autoidle, "Enable OMAP3ISP AUTOIDLE support");
@ -1108,7 +1115,7 @@ static void isp_save_ctx(struct isp_device *isp)
{
isp_save_context(isp, isp_reg_list);
if (isp->iommu)
iommu_save_ctx(isp->iommu);
omap_iommu_save_ctx(isp->iommu);
}
/*
@ -1122,7 +1129,7 @@ static void isp_restore_ctx(struct isp_device *isp)
{
isp_restore_context(isp, isp_reg_list);
if (isp->iommu)
iommu_restore_ctx(isp->iommu);
omap_iommu_restore_ctx(isp->iommu);
omap3isp_ccdc_restore_context(isp);
omap3isp_preview_restore_context(isp);
}
@ -1975,7 +1982,8 @@ static int isp_remove(struct platform_device *pdev)
isp_cleanup_modules(isp);
omap3isp_get(isp);
iommu_put(isp->iommu);
iommu_detach_device(isp->domain, isp->iommu_dev);
iommu_domain_free(isp->domain);
omap3isp_put(isp);
free_irq(isp->irq_num, isp);
@ -2123,25 +2131,41 @@ static int isp_probe(struct platform_device *pdev)
}
/* IOMMU */
isp->iommu = iommu_get("isp");
if (IS_ERR_OR_NULL(isp->iommu)) {
isp->iommu = NULL;
isp->iommu_dev = omap_find_iommu_device("isp");
if (!isp->iommu_dev) {
dev_err(isp->dev, "omap_find_iommu_device failed\n");
ret = -ENODEV;
goto error_isp;
}
/* to be removed once iommu migration is complete */
isp->iommu = to_iommu(isp->iommu_dev);
isp->domain = iommu_domain_alloc(pdev->dev.bus);
if (!isp->domain) {
dev_err(isp->dev, "can't alloc iommu domain\n");
ret = -ENOMEM;
goto error_isp;
}
ret = iommu_attach_device(isp->domain, isp->iommu_dev);
if (ret) {
dev_err(&pdev->dev, "can't attach iommu device: %d\n", ret);
goto free_domain;
}
/* Interrupt */
isp->irq_num = platform_get_irq(pdev, 0);
if (isp->irq_num <= 0) {
dev_err(isp->dev, "No IRQ resource\n");
ret = -ENODEV;
goto error_isp;
goto detach_dev;
}
if (request_irq(isp->irq_num, isp_isr, IRQF_SHARED, "OMAP3 ISP", isp)) {
dev_err(isp->dev, "Unable to request IRQ\n");
ret = -EINVAL;
goto error_isp;
goto detach_dev;
}
/* Entities */
@ -2162,8 +2186,11 @@ error_modules:
isp_cleanup_modules(isp);
error_irq:
free_irq(isp->irq_num, isp);
detach_dev:
iommu_detach_device(isp->domain, isp->iommu_dev);
free_domain:
iommu_domain_free(isp->domain);
error_isp:
iommu_put(isp->iommu);
omap3isp_put(isp);
error:
isp_put_clocks(isp);

5
drivers/media/video/omap3isp/isp.h
View file

@ -32,6 +32,7 @@
#include <linux/io.h>
#include <linux/platform_device.h>
#include <linux/wait.h>
#include <linux/iommu.h>
#include <plat/iommu.h>
#include <plat/iovmm.h>
@ -294,7 +295,9 @@ struct isp_device {
unsigned int sbl_resources;
unsigned int subclk_resources;
struct iommu *iommu;
struct omap_iommu *iommu;
struct iommu_domain *domain;
struct device *iommu_dev;
struct isp_platform_callback platform_cb;
};

25
drivers/media/video/omap3isp/ispccdc.c
View file

@ -366,7 +366,7 @@ static void ccdc_lsc_free_request(struct isp_ccdc_device *ccdc,
dma_unmap_sg(isp->dev, req->iovm->sgt->sgl,
req->iovm->sgt->nents, DMA_TO_DEVICE);
if (req->table)
iommu_vfree(isp->iommu, req->table);
omap_iommu_vfree(isp->domain, isp->iommu, req->table);
kfree(req);
}
@ -438,15 +438,15 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
req->enable = 1;
req->table = iommu_vmalloc(isp->iommu, 0, req->config.size,
IOMMU_FLAG);
req->table = omap_iommu_vmalloc(isp->domain, isp->iommu, 0,
req->config.size, IOMMU_FLAG);
if (IS_ERR_VALUE(req->table)) {
req->table = 0;
ret = -ENOMEM;
goto done;
}
req->iovm = find_iovm_area(isp->iommu, req->table);
req->iovm = omap_find_iovm_area(isp->iommu, req->table);
if (req->iovm == NULL) {
ret = -ENOMEM;
goto done;
@ -462,7 +462,7 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc,
dma_sync_sg_for_cpu(isp->dev, req->iovm->sgt->sgl,
req->iovm->sgt->nents, DMA_TO_DEVICE);
table = da_to_va(isp->iommu, req->table);
table = omap_da_to_va(isp->iommu, req->table);
if (copy_from_user(table, config->lsc, req->config.size)) {
ret = -EFAULT;
goto done;
@ -731,18 +731,19 @@ static int ccdc_config(struct isp_ccdc_device *ccdc,
/*
* table_new must be 64-bytes aligned, but it's
* already done by iommu_vmalloc().
* already done by omap_iommu_vmalloc().
*/
size = ccdc->fpc.fpnum * 4;
table_new = iommu_vmalloc(isp->iommu, 0, size,
IOMMU_FLAG);
table_new = omap_iommu_vmalloc(isp->domain, isp->iommu,
0, size, IOMMU_FLAG);
if (IS_ERR_VALUE(table_new))
return -ENOMEM;
if (copy_from_user(da_to_va(isp->iommu, table_new),
if (copy_from_user(omap_da_to_va(isp->iommu, table_new),
(__force void __user *)
ccdc->fpc.fpcaddr, size)) {
iommu_vfree(isp->iommu, table_new);
omap_iommu_vfree(isp->domain, isp->iommu,
table_new);
return -EFAULT;
}
@ -752,7 +753,7 @@ static int ccdc_config(struct isp_ccdc_device *ccdc,
ccdc_configure_fpc(ccdc);
if (table_old != 0)
iommu_vfree(isp->iommu, table_old);
omap_iommu_vfree(isp->domain, isp->iommu, table_old);
}
return ccdc_lsc_config(ccdc, ccdc_struct);
@ -2287,5 +2288,5 @@ void omap3isp_ccdc_cleanup(struct isp_device *isp)
ccdc_lsc_free_queue(ccdc, &ccdc->lsc.free_queue);
if (ccdc->fpc.fpcaddr != 0)
iommu_vfree(isp->iommu, ccdc->fpc.fpcaddr);
omap_iommu_vfree(isp->domain, isp->iommu, ccdc->fpc.fpcaddr);
}

11
drivers/media/video/omap3isp/ispstat.c
View file

@ -366,7 +366,8 @@ static void isp_stat_bufs_free(struct ispstat *stat)
dma_unmap_sg(isp->dev, buf->iovm->sgt->sgl,
buf->iovm->sgt->nents,
DMA_FROM_DEVICE);
iommu_vfree(isp->iommu, buf->iommu_addr);
omap_iommu_vfree(isp->domain, isp->iommu,
buf->iommu_addr);
} else {
if (!buf->virt_addr)
continue;
@ -399,8 +400,8 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
struct iovm_struct *iovm;
WARN_ON(buf->dma_addr);
buf->iommu_addr = iommu_vmalloc(isp->iommu, 0, size,
IOMMU_FLAG);
buf->iommu_addr = omap_iommu_vmalloc(isp->domain, isp->iommu, 0,
size, IOMMU_FLAG);
if (IS_ERR((void *)buf->iommu_addr)) {
dev_err(stat->isp->dev,
"%s: Can't acquire memory for "
@ -409,7 +410,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
return -ENOMEM;
}
iovm = find_iovm_area(isp->iommu, buf->iommu_addr);
iovm = omap_find_iovm_area(isp->iommu, buf->iommu_addr);
if (!iovm ||
!dma_map_sg(isp->dev, iovm->sgt->sgl, iovm->sgt->nents,
DMA_FROM_DEVICE)) {
@ -418,7 +419,7 @@ static int isp_stat_bufs_alloc_iommu(struct ispstat *stat, unsigned int size)
}
buf->iovm = iovm;
buf->virt_addr = da_to_va(stat->isp->iommu,
buf->virt_addr = omap_da_to_va(stat->isp->iommu,
(u32)buf->iommu_addr);
buf->empty = 1;
dev_dbg(stat->isp->dev, "%s: buffer[%d] allocated."

4
drivers/media/video/omap3isp/ispvideo.c
View file

@ -446,7 +446,7 @@ ispmmu_vmap(struct isp_device *isp, const struct scatterlist *sglist, int sglen)
sgt->nents = sglen;
sgt->orig_nents = sglen;
da = iommu_vmap(isp->iommu, 0, sgt, IOMMU_FLAG);
da = omap_iommu_vmap(isp->domain, isp->iommu, 0, sgt, IOMMU_FLAG);
if (IS_ERR_VALUE(da))
kfree(sgt);
@ -462,7 +462,7 @@ static void ispmmu_vunmap(struct isp_device *isp, dma_addr_t da)
{
struct sg_table *sgt;
sgt = iommu_vunmap(isp->iommu, (u32)da);
sgt = omap_iommu_vunmap(isp->domain, isp->iommu, (u32)da);
kfree(sgt);
}