diff options
| author | Thomas White <taw@bitwiz.org.uk> | 2009-10-18 23:00:45 +0200 |
|---|---|---|
| committer | Thomas White <taw@bitwiz.org.uk> | 2009-10-22 00:33:47 +0200 |
| commit | e05d2881be7db3f4e1a42440c809d3e18e406003 (patch) | |
| tree | 1fb3da514a84f54ba37f2569c6e81b724310320a /include | |
| parent | 464fc937c80ec25b1ac1a8c289a40a290e830e66 (diff) | |
Add burst commands
This adds kernel support for sending burst commands to the hardware.
Signed-off-by: Thomas White <taw@bitwiz.org.uk>
Diffstat (limited to 'include')
| -rw-r--r-- | include/drm/glamo_drm.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/glamo_drm.h b/include/drm/glamo_drm.h index ecf35505837..4c194dcdf7d 100644 --- a/include/drm/glamo_drm.h +++ b/include/drm/glamo_drm.h @@ -42,6 +42,7 @@ /* Glamo specific ioctls */ #define DRM_GLAMO_CMDBUF 0x01 #define DRM_GLAMO_SWAP 0x02 +#define DRM_GLAMO_CMDBURST 0x03 #define DRM_GLAMO_GEM_INFO 0x1c #define DRM_GLAMO_GEM_CREATE 0x1d @@ -54,6 +55,7 @@ #define DRM_IOCTL_GLAMO_CMDBUF DRM_IOW(DRM_COMMAND_BASE + DRM_GLAMO_CMDBUF, drm_glamo_cmd_buffer_t) #define DRM_IOCTL_GLAMO_SWAP DRM_IO(DRM_COMMAND_BASE + DRM_GLAMO_SWAP) +#define DRM_IOCTL_GLAMO_CMDBURST DRM_IOW(DRM_COMMAND_BASE + DRM_GLAMO_CMDBURST, drm_glamo_cmd_burst_t) #define DRM_IOCTL_GLAMO_GEM_INFO DRM_IOWR(DRM_COMMAND_BASE + DRM_GLAMO_GEM_INFO, struct drm_glamo_gem_info) #define DRM_IOCTL_GLAMO_GEM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_GLAMO_GEM_CREATE, struct drm_glamo_gem_create) @@ -64,6 +66,8 @@ #define DRM_IOCTL_GLAMO_GEM_PWRITE DRM_IOWR(DRM_COMMAND_BASE + DRM_GLAMO_GEM_PWRITE, struct drm_glamo_gem_pwrite) #define DRM_IOCTL_GLAMO_GEM_WAIT_RENDERING DRM_IOW(DRM_COMMAND_BASE + DRM_GLAMO_GEM_WAIT_RENDERING, struct drm_glamo_gem_wait_rendering) + +/* Simple command submission - a list of 16-bit address-data pairs */ typedef struct drm_glamo_cmd_buffer { unsigned int bufsz; /* Size of buffer, in bytes */ char __user *buf; /* Buffer of stuff to go onto the ring buffer */ @@ -74,6 +78,19 @@ typedef struct drm_glamo_cmd_buffer { struct drm_clip_rect __user *boxes; } drm_glamo_cmd_buffer_t; + +/* Burst command submission - base address and data: + * - Data can be 32-bit (more easily) + * - Easier for the kernel to validate */ +typedef struct drm_glamo_cmd_burst { + uint16_t base; /* Base address (command) */ + int bufsz; /* Size of data, in bytes */ + uint16_t *data; /* Pointer to data */ + unsigned int *obj_pos; /* Offsets (in bytes) at which to put objs */ + uint32_t *objs; /* List of buffer object (handles) to use */ + unsigned int nobjs; /* Number of objects referenced */ +} drm_glamo_cmd_burst_t; + struct drm_glamo_gem_info { uint64_t vram_start; uint64_t vram_size; |