[PATCH] via: New TTM/GEM ioctls to support.

James Simmons jsimmons at infradead.org
Thu Jul 4 12:41:26 PDT 2013


Add new TTM/GEM ioctls to be able to manage buffer regions from
different domains. Included in the new ioctls is the ability to
query hardware information.

Signed-Off-by: James Simmons <jsimmons at infradead.org>
---
 include/uapi/drm/via_drm.h |  115 ++++++++++++++++++++++++++++++++++++--------
 1 file changed, 95 insertions(+), 20 deletions(-)

diff --git a/include/uapi/drm/via_drm.h b/include/uapi/drm/via_drm.h
index 8b0533c..7a32594 100644
--- a/include/uapi/drm/via_drm.h
+++ b/include/uapi/drm/via_drm.h
@@ -16,7 +16,7 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
- * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * THE AUTHOR(S) OR COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
@@ -24,7 +24,7 @@
 #ifndef _VIA_DRM_H_
 #define _VIA_DRM_H_
 
-#include <drm/drm.h>
+#include "drm.h"
 
 /* WARNING: These defines must be the same as what the Xserver uses.
  * if you change them, you must change the defines in the Xserver.
@@ -33,14 +33,10 @@
 #ifndef _VIA_DEFINES_
 #define _VIA_DEFINES_
 
-#ifndef __KERNEL__
-#include "via_drmclient.h"
-#endif
-
 #define VIA_NR_SAREA_CLIPRECTS		8
-#define VIA_NR_XVMC_PORTS               10
-#define VIA_NR_XVMC_LOCKS               5
-#define VIA_MAX_CACHELINE_SIZE          64
+#define VIA_NR_XVMC_PORTS		10
+#define VIA_NR_XVMC_LOCKS		5
+#define VIA_MAX_CACHELINE_SIZE		64
 #define XVMCLOCKPTR(saPriv,lockNo)					\
 	((volatile struct drm_hw_lock *)(((((unsigned long) (saPriv)->XvMCLockArea) + \
 				      (VIA_MAX_CACHELINE_SIZE - 1)) &	\
@@ -64,21 +60,28 @@
 
 /* VIA specific ioctls */
 #define DRM_VIA_ALLOCMEM	0x00
-#define DRM_VIA_FREEMEM	        0x01
+#define DRM_VIA_FREEMEM		0x01
 #define DRM_VIA_AGP_INIT	0x02
-#define DRM_VIA_FB_INIT	        0x03
+#define DRM_VIA_FB_INIT		0x03
 #define DRM_VIA_MAP_INIT	0x04
-#define DRM_VIA_DEC_FUTEX       0x05
-#define NOT_USED
+#define DRM_VIA_DEC_FUTEX	0x05
+#define DRM_VIA_OLD_GEM_CREATE	0x06
 #define DRM_VIA_DMA_INIT	0x07
 #define DRM_VIA_CMDBUFFER	0x08
-#define DRM_VIA_FLUSH	        0x09
-#define DRM_VIA_PCICMD	        0x0a
+#define DRM_VIA_FLUSH		0x09
+#define DRM_VIA_PCICMD		0x0a
 #define DRM_VIA_CMDBUF_SIZE	0x0b
 #define NOT_USED
-#define DRM_VIA_WAIT_IRQ        0x0d
-#define DRM_VIA_DMA_BLIT        0x0e
-#define DRM_VIA_BLIT_SYNC       0x0f
+#define DRM_VIA_WAIT_IRQ	0x0d
+#define DRM_VIA_DMA_BLIT	0x0e
+#define DRM_VIA_BLIT_SYNC	0x0f
+
+/* KMS ioctls */
+#define DRM_VIA_GETPARAM	0x10
+#define DRM_VIA_SETPARAM	0x11
+#define DRM_VIA_GEM_CREATE	0x12
+#define DRM_VIA_GEM_WAIT	0x13
+#define DRM_VIA_GEM_STATE	0x14
 
 #define DRM_IOCTL_VIA_ALLOCMEM	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_ALLOCMEM, drm_via_mem_t)
 #define DRM_IOCTL_VIA_FREEMEM	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_FREEMEM, drm_via_mem_t)
@@ -86,6 +89,7 @@
 #define DRM_IOCTL_VIA_FB_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_FB_INIT, drm_via_fb_t)
 #define DRM_IOCTL_VIA_MAP_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_MAP_INIT, drm_via_init_t)
 #define DRM_IOCTL_VIA_DEC_FUTEX   DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_DEC_FUTEX, drm_via_futex_t)
+#define DRM_IOCTL_VIA_OLD_GEM_CREATE  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_OLD_GEM_CREATE, struct drm_via_gem_create)
 #define DRM_IOCTL_VIA_DMA_INIT	  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_DMA_INIT, drm_via_dma_init_t)
 #define DRM_IOCTL_VIA_CMDBUFFER	  DRM_IOW( DRM_COMMAND_BASE + DRM_VIA_CMDBUFFER, drm_via_cmdbuffer_t)
 #define DRM_IOCTL_VIA_FLUSH	  DRM_IO(  DRM_COMMAND_BASE + DRM_VIA_FLUSH)
@@ -96,6 +100,13 @@
 #define DRM_IOCTL_VIA_DMA_BLIT    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_DMA_BLIT, drm_via_dmablit_t)
 #define DRM_IOCTL_VIA_BLIT_SYNC   DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_BLIT_SYNC, drm_via_blitsync_t)
 
+/* KMS ioctls */
+#define DRM_IOCTL_VIA_GETPARAM    DRM_IOR(DRM_COMMAND_BASE + DRM_VIA_GETPARAM, struct drm_via_param)
+#define DRM_IOCTL_VIA_SETPARAM    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_SETPARAM, struct drm_via_param)
+#define DRM_IOCTL_VIA_GEM_CREATE  DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_GEM_CREATE, struct drm_via_gem_create)
+#define DRM_IOCTL_VIA_GEM_WAIT    DRM_IOW(DRM_COMMAND_BASE + DRM_VIA_GEM_WAIT, struct drm_via_gem_wait)
+#define DRM_IOCTL_VIA_GEM_STATE   DRM_IOWR(DRM_COMMAND_BASE + DRM_VIA_GEM_STATE, struct drm_via_gem_create)
+
 /* Indices into buf.Setup where various bits of state are mirrored per
  * context and per buffer.  These can be fired at the card as a unit,
  * or in a piecewise fashion as required.
@@ -109,6 +120,7 @@
 #define VIA_BACK    0x2
 #define VIA_DEPTH   0x4
 #define VIA_STENCIL 0x8
+
 #define VIA_MEM_VIDEO   0	/* matches drm constant */
 #define VIA_MEM_AGP     1	/* matches drm constant */
 #define VIA_MEM_SYSTEM  2
@@ -274,8 +286,71 @@ typedef struct drm_via_dmablit {
 	drm_via_blitsync_t sync;
 } drm_via_dmablit_t;
 
-struct via_file_private {
-	struct list_head obj_list;
+/* Ioctl to query kernel params:
+ */
+#define VIA_PARAM_CHIPSET_ID		0
+#define VIA_PARAM_REVISION_ID		1
+
+struct drm_via_param {
+	uint64_t param;
+	uint64_t value;
+};
+
+struct drm_via_gem_create {
+	/**
+	 * Requested size for the object.
+	 *
+	 * The (page-aligned) allocated size for the object will be returned.
+	 */
+	uint64_t size;
+
+	/*
+	 * Place the memory at the proper byte alignment.
+	 */
+	uint32_t alignment;
+
+	/**
+	 * Format of data i.e tile pitch, for linear it is zero
+	 */
+	uint32_t pitch;
+
+	/**
+	 * Give hints where to allocate this object.
+	 */
+	uint32_t domains;
+
+	/**
+	 * chmod values applied to a buffer.
+	 */
+	uint32_t mode_t;
+
+	/**
+	 * Offset to start of memory region.
+	 */
+	uint64_t offset;
+
+	/**
+	 * Returned handle need to mmap the buffer.
+	 */
+	uint64_t map_handle;
+
+	/**
+	 * Returned handle for the object.
+	 *
+	 * Object handles are nonzero.
+	 */
+	uint32_t handle;
+
+	/**
+	 * Padding for future expansion.
+	 */
+	uint32_t pad1;
+};
+
+struct drm_via_gem_wait {
+	/* the buffer object handle */
+	uint32_t handle;
+	uint32_t no_wait;
 };
 
 #endif				/* _VIA_DRM_H_ */
-- 
1.7.10.4



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