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Subject[PATCH 1/5] gma500: ioctl first pass
Date
Go through the remaining ioctls and check they make sense

Signed-off-by: Alan Cox <alan@linux.intel.com>
---

drivers/staging/gma500/psb_drv.c | 61 -----------------------
drivers/staging/gma500/psb_gtt.c | 103 --------------------------------------
drivers/staging/gma500/psb_gtt.h | 11 ----
3 files changed, 1 insertions(+), 174 deletions(-)

diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
index 05c31b9..df50553 100644
--- a/drivers/staging/gma500/psb_drv.c
+++ b/drivers/staging/gma500/psb_drv.c
@@ -73,10 +73,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
DRM_IO(DRM_PSB_KMS_OFF + DRM_COMMAND_BASE)
#define DRM_IOCTL_PSB_KMS_ON \
DRM_IO(DRM_PSB_KMS_ON + DRM_COMMAND_BASE)
-#define DRM_IOCTL_PSB_VT_LEAVE \
- DRM_IO(DRM_PSB_VT_LEAVE + DRM_COMMAND_BASE)
-#define DRM_IOCTL_PSB_VT_ENTER \
- DRM_IO(DRM_PSB_VT_ENTER + DRM_COMMAND_BASE)
#define DRM_IOCTL_PSB_SIZES \
DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \
struct drm_psb_sizes_arg)
@@ -96,15 +92,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
#define DRM_IOCTL_PSB_REGISTER_RW \
DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \
struct drm_psb_register_rw_arg)
-#define DRM_IOCTL_PSB_GTT_MAP \
- DRM_IOWR(DRM_PSB_GTT_MAP + DRM_COMMAND_BASE, \
- struct psb_gtt_mapping_arg)
-#define DRM_IOCTL_PSB_GTT_UNMAP \
- DRM_IOW(DRM_PSB_GTT_UNMAP + DRM_COMMAND_BASE, \
- struct psb_gtt_mapping_arg)
-#define DRM_IOCTL_PSB_UPDATE_GUARD \
- DRM_IOWR(DRM_PSB_UPDATE_GUARD + DRM_COMMAND_BASE, \
- uint32_t)
#define DRM_IOCTL_PSB_DPST \
DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \
uint32_t)
@@ -118,13 +105,6 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
struct drm_psb_get_pipe_from_crtc_id_arg)

-#define DRM_IOCTL_PSB_KMS_OFF DRM_IO(DRM_PSB_KMS_OFF + DRM_COMMAND_BASE)
-#define DRM_IOCTL_PSB_KMS_ON DRM_IO(DRM_PSB_KMS_ON + DRM_COMMAND_BASE)
-
-static int psb_vt_leave_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
-static int psb_vt_enter_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv);
static int psb_sizes_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
@@ -153,11 +133,6 @@ static struct drm_ioctl_desc psb_ioctls[] = {
PSB_IOCTL_DEF(DRM_IOCTL_PSB_KMS_ON,
psbfb_kms_on_ioctl,
DRM_ROOT_ONLY),
- PSB_IOCTL_DEF(DRM_IOCTL_PSB_VT_LEAVE, psb_vt_leave_ioctl,
- DRM_ROOT_ONLY),
- PSB_IOCTL_DEF(DRM_IOCTL_PSB_VT_ENTER,
- psb_vt_enter_ioctl,
- DRM_ROOT_ONLY),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
@@ -167,12 +142,6 @@ static struct drm_ioctl_desc psb_ioctls[] = {
DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl,
DRM_AUTH),
- PSB_IOCTL_DEF(DRM_IOCTL_PSB_GTT_MAP,
- psb_gtt_map_meminfo_ioctl,
- DRM_AUTH),
- PSB_IOCTL_DEF(DRM_IOCTL_PSB_GTT_UNMAP,
- psb_gtt_unmap_meminfo_ioctl,
- DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
@@ -495,7 +464,6 @@ static int psb_do_init(struct drm_device *dev)
psb_spank(dev_priv);

/* mmu_gatt ?? */
- printk(KERN_INFO "TWOD base %08lX\n", (u32) pg->gatt_start);
PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);

return 0;
@@ -721,18 +689,6 @@ int psb_driver_device_is_agp(struct drm_device *dev)
}


-static int psb_vt_leave_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- return 0;
-}
-
-static int psb_vt_enter_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- return 0;
-}
-
static int psb_sizes_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv)
{
@@ -840,7 +796,7 @@ static int psb_dpst_ioctl(struct drm_device *dev, void *data,
uint32_t reg;

if (!gma_power_begin(dev, 0))
- return 0;
+ return -EIO;

reg = PSB_RVDC32(PIPEASRC);

@@ -1368,28 +1324,13 @@ static unsigned int psb_poll(struct file *filp,
return POLLIN | POLLRDNORM;
}

-/* Not sure what we will need yet - in the PVR driver this disappears into
- a tangle of abstracted handlers and per process crap */
-
-struct psb_priv {
- int dummy;
-};
-
static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
{
- struct psb_priv *psb = kzalloc(sizeof(struct psb_priv), GFP_KERNEL);
- if (psb == NULL)
- return -ENOMEM;
- priv->driver_priv = psb;
- DRM_DEBUG("\n");
- /*return PVRSRVOpen(dev, priv);*/
return 0;
}

static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
{
- kfree(priv->driver_priv);
- priv->driver_priv = NULL;
}

static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
diff --git a/drivers/staging/gma500/psb_gtt.c b/drivers/staging/gma500/psb_gtt.c
index 093d7df..5f2acef 100644
--- a/drivers/staging/gma500/psb_gtt.c
+++ b/drivers/staging/gma500/psb_gtt.c
@@ -884,106 +884,3 @@ int psb_gtt_unmap_meminfo(struct drm_device *dev, void * hKernelMemInfo)
return 0;
}

-int psb_gtt_map_meminfo_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
- struct psb_gtt_mapping_arg *arg
- = (struct psb_gtt_mapping_arg *)data;
- uint32_t *offset_pages = &arg->offset_pages;
-
- DRM_DEBUG("\n");
-
- return psb_gtt_map_meminfo(dev, arg->hKernelMemInfo, offset_pages);
-}
-
-int psb_gtt_unmap_meminfo_ioctl(struct drm_device *dev, void *data,
- struct drm_file *file_priv)
-{
-
- struct psb_gtt_mapping_arg *arg
- = (struct psb_gtt_mapping_arg *)data;
-
- DRM_DEBUG("\n");
-
- return psb_gtt_unmap_meminfo(dev, arg->hKernelMemInfo);
-}
-
-int psb_gtt_map_pvr_memory(struct drm_device *dev, unsigned int hHandle,
- unsigned int ui32TaskId, dma_addr_t *pPages,
- unsigned int ui32PagesNum, unsigned int *ui32Offset)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_gtt_mm *mm = dev_priv->gtt_mm;
- struct psb_gtt *pg = dev_priv->pg;
- uint32_t size, pages, offset_pages;
- struct drm_mm_node *node = NULL;
- struct psb_gtt_mem_mapping *mapping = NULL;
- int ret;
-
- size = ui32PagesNum * PAGE_SIZE;
- pages = 0;
-
- /*alloc memory in TT apeture*/
- ret = psb_gtt_mm_alloc_mem(mm, ui32PagesNum, 0, &node);
- if (ret) {
- DRM_DEBUG("alloc TT memory error\n");
- goto failed_pages_alloc;
- }
-
- /*update psb_gtt_mm*/
- ret = psb_gtt_add_node(mm,
- (u32)ui32TaskId,
- (u32)hHandle,
- node,
- &mapping);
- if (ret) {
- DRM_DEBUG("add_node failed");
- goto failed_add_node;
- }
-
- node = mapping->node;
- offset_pages = node->start;
-
- DRM_DEBUG("get free node for %ld pages, offset %ld pages",
- pages, offset_pages);
-
- /*update gtt*/
- psb_gtt_insert_phys_addresses(pg, pPages, (unsigned)offset_pages,
- (unsigned)ui32PagesNum, 0);
-
- *ui32Offset = offset_pages;
- return 0;
-
-failed_add_node:
- psb_gtt_mm_free_mem(mm, node);
-failed_pages_alloc:
- return ret;
-}
-
-
-int psb_gtt_unmap_pvr_memory(struct drm_device *dev, unsigned int hHandle,
- unsigned int ui32TaskId)
-{
- struct drm_psb_private *dev_priv = dev->dev_private;
- struct psb_gtt_mm *mm = dev_priv->gtt_mm;
- struct psb_gtt *pg = dev_priv->pg;
- uint32_t pages, offset_pages;
- struct drm_mm_node *node;
- int ret;
-
- ret = psb_gtt_remove_node(mm, (u32)ui32TaskId, (u32)hHandle, &node);
- if (ret) {
- printk(KERN_ERR "remove node failed\n");
- return ret;
- }
-
- /*remove gtt entries*/
- offset_pages = node->start;
- pages = node->size;
-
- psb_gtt_remove_pages(pg, offset_pages, pages, 0, 0, 1);
-
- /*free tt node*/
- psb_gtt_mm_free_mem(mm, node);
- return 0;
-}
diff --git a/drivers/staging/gma500/psb_gtt.h b/drivers/staging/gma500/psb_gtt.h
index 8a0ef77..5ddc3ae 100644
--- a/drivers/staging/gma500/psb_gtt.h
+++ b/drivers/staging/gma500/psb_gtt.h
@@ -87,15 +87,4 @@ extern int psb_gtt_unmap_meminfo_ioctl(struct drm_device *dev, void *data,
extern int psb_gtt_mm_init(struct psb_gtt *pg);
extern void psb_gtt_mm_takedown(void);

-extern int psb_gtt_map_pvr_memory(struct drm_device *dev,
- unsigned int hHandle,
- unsigned int ui32TaskId,
- dma_addr_t *pPages,
- unsigned int ui32PagesNum,
- unsigned int *ui32Offset);
-
-extern int psb_gtt_unmap_pvr_memory(struct drm_device *dev,
- unsigned int hHandle,
- unsigned int ui32TaskId);
-
#endif


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