Finally cleaned up the sparse warnings for the drm.
Signed-off-by: Dave Airlie <airlied@linux.ie>
  * type.  Adds the map to the map list drm_device::maplist. Adds MTRR's where
  * applicable and if supported by the kernel.
  */
-int drm_addmap_core(drm_device_t * dev, unsigned int offset,
-                   unsigned int size, drm_map_type_t type,
-                   drm_map_flags_t flags, drm_map_list_t ** maplist)
+static int drm_addmap_core(drm_device_t * dev, unsigned int offset,
+                          unsigned int size, drm_map_type_t type,
+                          drm_map_flags_t flags, drm_map_list_t ** maplist)
 {
        drm_map_t *map;
        drm_map_list_t *list;
 
        map = dev->context_sareas[request.ctx_id];
        up(&dev->struct_sem);
 
-       request.handle = 0;
+       request.handle = NULL;
        list_for_each_entry(_entry, &dev->maplist->head, head) {
                if (_entry->map == map) {
                        request.handle =
                        break;
                }
        }
-       if (request.handle == 0)
+       if (request.handle == NULL)
                return -EINVAL;
 
        if (copy_to_user(argp, &request, sizeof(request)))
 
        i810_PCI_IDS
 };
 
-extern drm_ioctl_desc_t i810_ioctls[];
-extern int i810_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
 
 extern void i810_driver_prerelease(drm_device_t * dev, DRMFILE filp);
 extern int i810_driver_device_is_agp(drm_device_t * dev);
 
+extern drm_ioctl_desc_t i810_ioctls[];
+extern int i810_max_ioctl;
+
 #define I810_BASE(reg)         ((unsigned long) \
                                dev_priv->mmio_map->handle)
 #define I810_ADDR(reg)         (I810_BASE(reg) + reg)
 
        i830_PCI_IDS
 };
 
-extern drm_ioctl_desc_t i830_ioctls[];
-extern int i830_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
 
 
 } drm_i830_private_t;
 
+extern drm_ioctl_desc_t i830_ioctls[];
+extern int i830_max_ioctl;
+
 /* i830_dma.c */
 extern void i830_reclaim_buffers(drm_device_t * dev, struct file *filp);
 
 extern void i830_driver_prerelease(drm_device_t * dev, DRMFILE filp);
 extern int i830_driver_device_is_agp(drm_device_t * dev);
 
-#define I830_BASE(reg)         ((unsigned long) \
-                               dev_priv->mmio_map->handle)
-#define I830_ADDR(reg)         (I830_BASE(reg) + reg)
-#define I830_DEREF(reg)                *(__volatile__ unsigned int *)I830_ADDR(reg)
-#define I830_READ(reg)         readl((volatile u32 *)I830_ADDR(reg))
-#define I830_WRITE(reg,val)    writel(val, (volatile u32 *)I830_ADDR(reg))
-#define I830_DEREF16(reg)      *(__volatile__ u16 *)I830_ADDR(reg)
-#define I830_READ16(reg)       I830_DEREF16(reg)
-#define I830_WRITE16(reg,val)  do { I830_DEREF16(reg) = val; } while (0)
+#define I830_READ(reg)          DRM_READ32(dev_priv->mmio_map, reg)
+#define I830_WRITE(reg,val)     DRM_WRITE32(dev_priv->mmio_map, reg, val)
+#define I830_READ16(reg)        DRM_READ16(dev_priv->mmio_map, reg)
+#define I830_WRITE16(reg,val)   DRM_WRITE16(dev_priv->mmio_map, reg, val)
 
 #define I830_VERBOSE 0
 
 
        i915_PCI_IDS
 };
 
-extern drm_ioctl_desc_t i915_ioctls[];
-extern int i915_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
 
        struct mem_block *agp_heap;
 } drm_i915_private_t;
 
+extern drm_ioctl_desc_t i915_ioctls[];
+extern int i915_max_ioctl;
+
                                /* i915_dma.c */
 extern void i915_kernel_lost_context(drm_device_t * dev);
 extern void i915_driver_pretakedown(drm_device_t * dev);
 
        mga_PCI_IDS
 };
 
-extern drm_ioctl_desc_t mga_ioctls[];
-extern int mga_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR |
  * \returns
  * If the device is a PCI G450, zero is returned.  Otherwise 2 is returned.
  */
-int mga_driver_device_is_agp(drm_device_t * dev)
+static int mga_driver_device_is_agp(drm_device_t * dev)
 {
        const struct pci_dev *const pdev = dev->pdev;
 
 
        unsigned int agp_pages;
 } drm_mga_private_t;
 
+extern drm_ioctl_desc_t mga_ioctls[];
+extern int mga_max_ioctl;
+
                                /* mga_dma.c */
 extern int mga_driver_preinit(drm_device_t * dev, unsigned long flags);
 extern int mga_dma_bootstrap(DRM_IOCTL_ARGS);
 
        r128_PCI_IDS
 };
 
-extern drm_ioctl_desc_t r128_ioctls[];
-extern int r128_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 
        drm_r128_freelist_t *list_entry;
 } drm_r128_buf_priv_t;
 
+extern drm_ioctl_desc_t r128_ioctls[];
+extern int r128_max_ioctl;
+
                                /* r128_cce.c */
 extern int r128_cce_init(DRM_IOCTL_ARGS);
 extern int r128_cce_start(DRM_IOCTL_ARGS);
 
  * buffer, starting with index n.
  */
 static int r300_emit_cliprects(drm_radeon_private_t * dev_priv,
-                              drm_radeon_cmd_buffer_t * cmdbuf, int n)
+                              drm_radeon_kcmd_buffer_t * cmdbuf, int n)
 {
        drm_clip_rect_t box;
        int nr;
        return 0;
 }
 
-u8 r300_reg_flags[0x10000 >> 2];
+static u8 r300_reg_flags[0x10000 >> 2];
 
 void r300_init_reg_flags(void)
 {
 
 static __inline__ int r300_emit_carefully_checked_packet0(drm_radeon_private_t *
                                                          dev_priv,
-                                                         drm_radeon_cmd_buffer_t
+                                                         drm_radeon_kcmd_buffer_t
                                                          * cmdbuf,
                                                          drm_r300_cmd_header_t
                                                          header)
                return DRM_ERR(EINVAL);
        }
        for (i = 0; i < sz; i++) {
-               values[i] = ((int __user *)cmdbuf->buf)[i];
+               values[i] = ((int *)cmdbuf->buf)[i];
                switch (r300_reg_flags[(reg >> 2) + i]) {
                case MARK_SAFE:
                        break;
  * Note that checks are performed on contents and addresses of the registers
  */
 static __inline__ int r300_emit_packet0(drm_radeon_private_t * dev_priv,
-                                       drm_radeon_cmd_buffer_t * cmdbuf,
+                                       drm_radeon_kcmd_buffer_t * cmdbuf,
                                        drm_r300_cmd_header_t header)
 {
        int reg;
 
        BEGIN_RING(1 + sz);
        OUT_RING(CP_PACKET0(reg, sz - 1));
-       OUT_RING_TABLE((int __user *)cmdbuf->buf, sz);
+       OUT_RING_TABLE((int *)cmdbuf->buf, sz);
        ADVANCE_RING();
 
        cmdbuf->buf += sz * 4;
  * Called by r300_do_cp_cmdbuf.
  */
 static __inline__ int r300_emit_vpu(drm_radeon_private_t * dev_priv,
-                                   drm_radeon_cmd_buffer_t * cmdbuf,
+                                   drm_radeon_kcmd_buffer_t * cmdbuf,
                                    drm_r300_cmd_header_t header)
 {
        int sz;
        OUT_RING_REG(R300_VAP_PVS_WAITIDLE, 0);
        OUT_RING_REG(R300_VAP_PVS_UPLOAD_ADDRESS, addr);
        OUT_RING(CP_PACKET0_TABLE(R300_VAP_PVS_UPLOAD_DATA, sz * 4 - 1));
-       OUT_RING_TABLE((int __user *)cmdbuf->buf, sz * 4);
+       OUT_RING_TABLE((int *)cmdbuf->buf, sz * 4);
 
        ADVANCE_RING();
 
  * Called by r300_emit_packet3.
  */
 static __inline__ int r300_emit_clear(drm_radeon_private_t * dev_priv,
-                                     drm_radeon_cmd_buffer_t * cmdbuf)
+                                     drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        RING_LOCALS;
 
        OUT_RING(CP_PACKET3(R200_3D_DRAW_IMMD_2, 8));
        OUT_RING(R300_PRIM_TYPE_POINT | R300_PRIM_WALK_RING |
                 (1 << R300_PRIM_NUM_VERTICES_SHIFT));
-       OUT_RING_TABLE((int __user *)cmdbuf->buf, 8);
+       OUT_RING_TABLE((int *)cmdbuf->buf, 8);
        ADVANCE_RING();
 
        cmdbuf->buf += 8 * 4;
 }
 
 static __inline__ int r300_emit_3d_load_vbpntr(drm_radeon_private_t * dev_priv,
-                                              drm_radeon_cmd_buffer_t * cmdbuf,
+                                              drm_radeon_kcmd_buffer_t * cmdbuf,
                                               u32 header)
 {
        int count, i, k;
 }
 
 static __inline__ int r300_emit_raw_packet3(drm_radeon_private_t * dev_priv,
-                                           drm_radeon_cmd_buffer_t * cmdbuf)
+                                           drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        u32 header;
        int count;
           We need to be smarter. */
 
        /* obtain first word - actual packet3 header */
-       header = *(u32 __user *) cmdbuf->buf;
+       header = *(u32 *) cmdbuf->buf;
 
        /* Is it packet 3 ? */
        if ((header >> 30) != 0x3) {
 
        BEGIN_RING(count + 2);
        OUT_RING(header);
-       OUT_RING_TABLE((int __user *)(cmdbuf->buf + 4), count + 1);
+       OUT_RING_TABLE((int *)(cmdbuf->buf + 4), count + 1);
        ADVANCE_RING();
 
        cmdbuf->buf += (count + 2) * 4;
  * Called by r300_do_cp_cmdbuf.
  */
 static __inline__ int r300_emit_packet3(drm_radeon_private_t * dev_priv,
-                                       drm_radeon_cmd_buffer_t * cmdbuf,
+                                       drm_radeon_kcmd_buffer_t * cmdbuf,
                                        drm_r300_cmd_header_t header)
 {
        int n;
        int ret;
-       char __user *orig_buf = cmdbuf->buf;
+       char *orig_buf = cmdbuf->buf;
        int orig_bufsz = cmdbuf->bufsz;
 
        /* This is a do-while-loop so that we run the interior at least once,
  */
 int r300_do_cp_cmdbuf(drm_device_t * dev,
                      DRMFILE filp,
-                     drm_file_t * filp_priv, drm_radeon_cmd_buffer_t * cmdbuf)
+                     drm_file_t * filp_priv, drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;
        drm_device_dma_t *dma = dev->dma;
 
        radeon_PCI_IDS
 };
 
-extern drm_ioctl_desc_t radeon_ioctls[];
-extern int radeon_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
 
        u32 age;
 } drm_radeon_buf_priv_t;
 
+typedef struct drm_radeon_kcmd_buffer {
+       int bufsz;
+       char *buf;
+       int nbox;
+       drm_clip_rect_t __user *boxes;
+} drm_radeon_kcmd_buffer_t;
+
 extern int radeon_no_wb;
+extern drm_ioctl_desc_t radeon_ioctls[];
+extern int radeon_max_ioctl;
+
                                /* radeon_cp.c */
 extern int radeon_cp_init(DRM_IOCTL_ARGS);
 extern int radeon_cp_start(DRM_IOCTL_ARGS);
 
 extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp,
                             drm_file_t * filp_priv,
-                            drm_radeon_cmd_buffer_t * cmdbuf);
+                            drm_radeon_kcmd_buffer_t * cmdbuf);
 
 /* Flags for stats.boxes
  */
 
 static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
                                                    dev_priv,
                                                    drm_file_t * filp_priv,
-                                                   u32 * offset)
+                                                   u32 *offset)
 {
        u32 off = *offset;
        struct drm_radeon_driver_file_fields *radeon_priv;
 static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
                                                     dev_priv,
                                                     drm_file_t * filp_priv,
-                                                    int id, u32 __user * data)
+                                                    int id, u32 *data)
 {
        switch (id) {
 
 static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                                                     dev_priv,
                                                     drm_file_t * filp_priv,
-                                                    drm_radeon_cmd_buffer_t *
-                                                    cmdbuf,
+                                                    drm_radeon_kcmd_buffer_t *cmdbuf,
                                                     unsigned int *cmdsz)
 {
        u32 *cmd = (u32 *) cmdbuf->buf;
 static int radeon_emit_packets(drm_radeon_private_t * dev_priv,
                               drm_file_t * filp_priv,
                               drm_radeon_cmd_header_t header,
-                              drm_radeon_cmd_buffer_t * cmdbuf)
+                              drm_radeon_kcmd_buffer_t *cmdbuf)
 {
        int id = (int)header.packet.packet_id;
        int sz, reg;
 
 static __inline__ int radeon_emit_scalars(drm_radeon_private_t * dev_priv,
                                          drm_radeon_cmd_header_t header,
-                                         drm_radeon_cmd_buffer_t * cmdbuf)
+                                         drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        int sz = header.scalars.count;
        int start = header.scalars.offset;
  */
 static __inline__ int radeon_emit_scalars2(drm_radeon_private_t * dev_priv,
                                           drm_radeon_cmd_header_t header,
-                                          drm_radeon_cmd_buffer_t * cmdbuf)
+                                          drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        int sz = header.scalars.count;
        int start = ((unsigned int)header.scalars.offset) + 0x100;
 
 static __inline__ int radeon_emit_vectors(drm_radeon_private_t * dev_priv,
                                          drm_radeon_cmd_header_t header,
-                                         drm_radeon_cmd_buffer_t * cmdbuf)
+                                         drm_radeon_kcmd_buffer_t * cmdbuf)
 {
        int sz = header.vectors.count;
        int start = header.vectors.offset;
 
 static int radeon_emit_packet3(drm_device_t * dev,
                               drm_file_t * filp_priv,
-                              drm_radeon_cmd_buffer_t * cmdbuf)
+                              drm_radeon_kcmd_buffer_t *cmdbuf)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;
        unsigned int cmdsz;
 
 static int radeon_emit_packet3_cliprect(drm_device_t * dev,
                                        drm_file_t * filp_priv,
-                                       drm_radeon_cmd_buffer_t * cmdbuf,
+                                       drm_radeon_kcmd_buffer_t *cmdbuf,
                                        int orig_nbox)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;
        drm_device_dma_t *dma = dev->dma;
        drm_buf_t *buf = NULL;
        int idx;
-       drm_radeon_cmd_buffer_t cmdbuf;
+       drm_radeon_kcmd_buffer_t cmdbuf;
        drm_radeon_cmd_header_t header;
        int orig_nbox, orig_bufsz;
        char *kbuf = NULL;
                kbuf = drm_alloc(cmdbuf.bufsz, DRM_MEM_DRIVER);
                if (kbuf == NULL)
                        return DRM_ERR(ENOMEM);
-               if (DRM_COPY_FROM_USER(kbuf, cmdbuf.buf, cmdbuf.bufsz)) {
+               if (DRM_COPY_FROM_USER(kbuf, (void __user *)cmdbuf.buf, cmdbuf.bufsz)) {
                        drm_free(kbuf, orig_bufsz, DRM_MEM_DRIVER);
                        return DRM_ERR(EFAULT);
                }
 
        savage_PCI_IDS
 };
 
-extern drm_ioctl_desc_t savage_ioctls[];
-extern int savage_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features =
            DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_PCI_DMA,
 
        S3_LAST
 };
 
+extern drm_ioctl_desc_t savage_ioctls[];
+extern int savage_max_ioctl;
+
 #define S3_SAVAGE3D_SERIES(chip)  ((chip>=S3_SAVAGE3D) && (chip<=S3_SAVAGE_MX))
 
 #define S3_SAVAGE4_SERIES(chip)  ((chip==S3_SAVAGE4)            \
 
        if (nbox == 0)
                return 0;
 
-       DRM_GET_USER_UNCHECKED(mask, &((const drm_savage_cmd_header_t *)data)
-                              ->clear1.mask);
-       DRM_GET_USER_UNCHECKED(value, &((const drm_savage_cmd_header_t *)data)
-                              ->clear1.value);
+       DRM_GET_USER_UNCHECKED(mask, &data->clear1.mask);
+       DRM_GET_USER_UNCHECKED(value, &data->clear1.value);
 
        clear_cmd = BCI_CMD_RECT | BCI_CMD_RECT_XP | BCI_CMD_RECT_YP |
            BCI_CMD_SEND_COLOR | BCI_CMD_DEST_PBD_NEW;
 
        sisdrv_PCI_IDS
 };
 
-extern drm_ioctl_desc_t sis_ioctls[];
-extern int sis_max_ioctl;
-
 static struct drm_driver driver = {
        .driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR,
        .context_ctor = sis_init_context,
 
 extern int sis_init_context(drm_device_t * dev, int context);
 extern int sis_final_context(drm_device_t * dev, int context);
 
+extern drm_ioctl_desc_t sis_ioctls[];
+extern int sis_max_ioctl;
+
 #endif
 
 extern void via_cleanup_futex(drm_via_private_t * dev_priv);
 extern void via_release_futex(drm_via_private_t * dev_priv, int context);
 
+extern int via_parse_command_stream(drm_device_t * dev, const uint32_t * buf,
+                                   unsigned int size);
+
 #endif