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Commit a563a8c2 authored by Alan Cox's avatar Alan Cox Committed by Greg Kroah-Hartman
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gma500: ioctl first pass 



Go through the remaining ioctls and check they make sense

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 8452c3ef

drivers/staging/gma500/psb_drv.c

+1 −60
Original line number Diff line number Diff line
@@ -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,

drivers/staging/gma500/psb_gtt.c

+0 −103
Original line number Diff line number Diff line
@@ -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;

}

drivers/staging/gma500/psb_gtt.h

+0 −11
Original line number Diff line number Diff line
@@ -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