drm: rename badly named define and cleanup ioctl code spacing
[powerpc.git] / drivers / char / drm / radeon_state.c
index feac5f0..98c5f1d 100644 (file)
@@ -43,10 +43,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
                                                    u32 *offset)
 {
        u64 off = *offset;
-       u32 fb_start = dev_priv->fb_location;
-       u32 fb_end = fb_start + dev_priv->fb_size - 1;
-       u32 gart_start = dev_priv->gart_vm_start;
-       u32 gart_end = gart_start + dev_priv->gart_size - 1;
+       u32 fb_end = dev_priv->fb_location + dev_priv->fb_size - 1;
        struct drm_radeon_driver_file_fields *radeon_priv;
 
        /* Hrm ... the story of the offset ... So this function converts
@@ -66,8 +63,7 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
        /* First, the best case, the offset already lands in either the
         * framebuffer or the GART mapped space
         */
-       if ((off >= fb_start && off <= fb_end) ||
-           (off >= gart_start && off <= gart_end))
+       if (radeon_check_offset(dev_priv, off))
                return 0;
 
        /* Ok, that didn't happen... now check if we have a zero based
@@ -81,11 +77,10 @@ static __inline__ int radeon_check_and_fixup_offset(drm_radeon_private_t *
 
        /* Finally, assume we aimed at a GART offset if beyond the fb */
        if (off > fb_end)
-               off = off - fb_end - 1 + gart_start;
+               off = off - fb_end - 1 + dev_priv->gart_vm_start;
 
        /* Now recheck and fail if out of bounds */
-       if ((off >= fb_start && off <= fb_end) ||
-           (off >= gart_start && off <= gart_end)) {
+       if (radeon_check_offset(dev_priv, off)) {
                DRM_DEBUG("offset fixed up to 0x%x\n", (unsigned int)off);
                *offset = off;
                return 0;
@@ -275,6 +270,8 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                                                     unsigned int *cmdsz)
 {
        u32 *cmd = (u32 *) cmdbuf->buf;
+       u32 offset, narrays;
+       int count, i, k;
 
        *cmdsz = 2 + ((cmd[0] & RADEON_CP_PACKET_COUNT_MASK) >> 16);
 
@@ -288,10 +285,106 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                return DRM_ERR(EINVAL);
        }
 
-       /* Check client state and fix it up if necessary */
-       if (cmd[0] & 0x8000) {  /* MSB of opcode: next DWORD GUI_CNTL */
-               u32 offset;
+       switch(cmd[0] & 0xff00) {
+       /* XXX Are there old drivers needing other packets? */
 
+       case RADEON_3D_DRAW_IMMD:
+       case RADEON_3D_DRAW_VBUF:
+       case RADEON_3D_DRAW_INDX:
+       case RADEON_WAIT_FOR_IDLE:
+       case RADEON_CP_NOP:
+       case RADEON_3D_CLEAR_ZMASK:
+/*     case RADEON_CP_NEXT_CHAR:
+       case RADEON_CP_PLY_NEXTSCAN:
+       case RADEON_CP_SET_SCISSORS: */ /* probably safe but will never need them? */
+               /* these packets are safe */
+               break;
+
+       case RADEON_CP_3D_DRAW_IMMD_2:
+       case RADEON_CP_3D_DRAW_VBUF_2:
+       case RADEON_CP_3D_DRAW_INDX_2:
+       case RADEON_3D_CLEAR_HIZ:
+               /* safe but r200 only */
+               if (dev_priv->microcode_version != UCODE_R200) {
+                       DRM_ERROR("Invalid 3d packet for r100-class chip\n");
+                       return DRM_ERR(EINVAL);
+               }
+               break;
+
+       case RADEON_3D_LOAD_VBPNTR:
+               count = (cmd[0] >> 16) & 0x3fff;
+
+               if (count > 18) { /* 12 arrays max */
+                       DRM_ERROR("Too large payload in 3D_LOAD_VBPNTR (count=%d)\n",
+                                 count);
+                       return DRM_ERR(EINVAL);
+               }
+
+               /* carefully check packet contents */
+               narrays = cmd[1] & ~0xc000;
+               k = 0;
+               i = 2;
+               while ((k < narrays) && (i < (count + 2))) {
+                       i++;            /* skip attribute field */
+                       if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[i])) {
+                               DRM_ERROR
+                                   ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
+                                    k, i);
+                               return DRM_ERR(EINVAL);
+                       }
+                       k++;
+                       i++;
+                       if (k == narrays)
+                               break;
+                       /* have one more to process, they come in pairs */
+                       if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[i])) {
+                               DRM_ERROR
+                                   ("Invalid offset (k=%d i=%d) in 3D_LOAD_VBPNTR packet.\n",
+                                    k, i);
+                               return DRM_ERR(EINVAL);
+                       }
+                       k++;
+                       i++;
+               }
+               /* do the counts match what we expect ? */
+               if ((k != narrays) || (i != (count + 2))) {
+                       DRM_ERROR
+                           ("Malformed 3D_LOAD_VBPNTR packet (k=%d i=%d narrays=%d count+1=%d).\n",
+                             k, i, narrays, count + 1);
+                       return DRM_ERR(EINVAL);
+               }
+               break;
+
+       case RADEON_3D_RNDR_GEN_INDX_PRIM:
+               if (dev_priv->microcode_version != UCODE_R100) {
+                       DRM_ERROR("Invalid 3d packet for r200-class chip\n");
+                       return DRM_ERR(EINVAL);
+               }
+               if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[1])) {
+                               DRM_ERROR("Invalid rndr_gen_indx offset\n");
+                               return DRM_ERR(EINVAL);
+               }
+               break;
+
+       case RADEON_CP_INDX_BUFFER:
+               if (dev_priv->microcode_version != UCODE_R200) {
+                       DRM_ERROR("Invalid 3d packet for r100-class chip\n");
+                       return DRM_ERR(EINVAL);
+               }
+               if ((cmd[1] & 0x8000ffff) != 0x80000810) {
+                       DRM_ERROR("Invalid indx_buffer reg address %08X\n", cmd[1]);
+                       return DRM_ERR(EINVAL);
+               }
+               if (radeon_check_and_fixup_offset(dev_priv, filp_priv, &cmd[2])) {
+                       DRM_ERROR("Invalid indx_buffer offset is %08X\n", cmd[2]);
+                       return DRM_ERR(EINVAL);
+               }
+               break;
+
+       case RADEON_CNTL_HOSTDATA_BLT:
+       case RADEON_CNTL_PAINT_MULTI:
+       case RADEON_CNTL_BITBLT_MULTI:
+               /* MSB of opcode: next DWORD GUI_CNTL */
                if (cmd[1] & (RADEON_GMC_SRC_PITCH_OFFSET_CNTL
                              | RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
                        offset = cmd[2] << 10;
@@ -313,6 +406,11 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                        }
                        cmd[3] = (cmd[3] & 0xffc00000) | offset >> 10;
                }
+               break;
+
+       default:
+               DRM_ERROR("Invalid packet type %x\n", cmd[0] & 0xff00);
+               return DRM_ERR(EINVAL);
        }
 
        return 0;
@@ -675,7 +773,7 @@ static void radeon_clear_box(drm_radeon_private_t * dev_priv,
                 RADEON_GMC_SRC_DATATYPE_COLOR |
                 RADEON_ROP3_P | RADEON_GMC_CLR_CMP_CNTL_DIS);
 
-       if (dev_priv->page_flipping && dev_priv->current_page == 1) {
+       if (dev_priv->sarea_priv->pfCurrentPage == 1) {
                OUT_RING(dev_priv->front_pitch_offset);
        } else {
                OUT_RING(dev_priv->back_pitch_offset);
@@ -763,7 +861,7 @@ static void radeon_cp_dispatch_clear(drm_device_t * dev,
 
        dev_priv->stats.clears++;
 
-       if (dev_priv->page_flipping && dev_priv->current_page == 1) {
+       if (dev_priv->sarea_priv->pfCurrentPage == 1) {
                unsigned int tmp = flags;
 
                flags &= ~(RADEON_FRONT | RADEON_BACK);
@@ -1284,7 +1382,7 @@ static void radeon_cp_dispatch_swap(drm_device_t * dev)
                /* Make this work even if front & back are flipped:
                 */
                OUT_RING(CP_PACKET0(RADEON_SRC_PITCH_OFFSET, 1));
-               if (dev_priv->current_page == 0) {
+               if (dev_priv->sarea_priv->pfCurrentPage == 0) {
                        OUT_RING(dev_priv->back_pitch_offset);
                        OUT_RING(dev_priv->front_pitch_offset);
                } else {
@@ -1318,12 +1416,12 @@ static void radeon_cp_dispatch_flip(drm_device_t * dev)
 {
        drm_radeon_private_t *dev_priv = dev->dev_private;
        drm_sarea_t *sarea = (drm_sarea_t *) dev_priv->sarea->handle;
-       int offset = (dev_priv->current_page == 1)
+       int offset = (dev_priv->sarea_priv->pfCurrentPage == 1)
            ? dev_priv->front_offset : dev_priv->back_offset;
        RING_LOCALS;
-       DRM_DEBUG("%s: page=%d pfCurrentPage=%d\n",
+       DRM_DEBUG("%s: pfCurrentPage=%d\n",
                  __FUNCTION__,
-                 dev_priv->current_page, dev_priv->sarea_priv->pfCurrentPage);
+                 dev_priv->sarea_priv->pfCurrentPage);
 
        /* Do some trivial performance monitoring...
         */
@@ -1351,8 +1449,8 @@ static void radeon_cp_dispatch_flip(drm_device_t * dev)
         * performing the swapbuffer ioctl.
         */
        dev_priv->sarea_priv->last_frame++;
-       dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page =
-           1 - dev_priv->current_page;
+       dev_priv->sarea_priv->pfCurrentPage =
+               1 - dev_priv->sarea_priv->pfCurrentPage;
 
        BEGIN_RING(2);
 
@@ -2054,24 +2152,10 @@ static int radeon_do_init_pageflip(drm_device_t * dev)
        ADVANCE_RING();
 
        dev_priv->page_flipping = 1;
-       dev_priv->current_page = 0;
-       dev_priv->sarea_priv->pfCurrentPage = dev_priv->current_page;
-
-       return 0;
-}
 
-/* Called whenever a client dies, from drm_release.
- * NOTE:  Lock isn't necessarily held when this is called!
- */
-static int radeon_do_cleanup_pageflip(drm_device_t * dev)
-{
-       drm_radeon_private_t *dev_priv = dev->dev_private;
-       DRM_DEBUG("\n");
-
-       if (dev_priv->current_page != 0)
-               radeon_cp_dispatch_flip(dev);
+       if (dev_priv->sarea_priv->pfCurrentPage != 1)
+               dev_priv->sarea_priv->pfCurrentPage = 0;
 
-       dev_priv->page_flipping = 0;
        return 0;
 }
 
@@ -3047,10 +3131,16 @@ static int radeon_cp_setparam(DRM_IOCTL_ARGS)
                break;
        case RADEON_SETPARAM_PCIGART_LOCATION:
                dev_priv->pcigart_offset = sp.value;
+               dev_priv->pcigart_offset_set = 1;
                break;
        case RADEON_SETPARAM_NEW_MEMMAP:
                dev_priv->new_memmap = sp.value;
                break;
+       case RADEON_SETPARAM_PCIGART_TABLE_SIZE:
+               dev_priv->gart_info.table_size = sp.value;
+               if (dev_priv->gart_info.table_size < RADEON_PCIGART_TABLE_SIZE)
+                       dev_priv->gart_info.table_size = RADEON_PCIGART_TABLE_SIZE;
+               break;
        default:
                DRM_DEBUG("Invalid parameter %d\n", sp.param);
                return DRM_ERR(EINVAL);
@@ -3070,9 +3160,7 @@ void radeon_driver_preclose(drm_device_t * dev, DRMFILE filp)
 {
        if (dev->dev_private) {
                drm_radeon_private_t *dev_priv = dev->dev_private;
-               if (dev_priv->page_flipping) {
-                       radeon_do_cleanup_pageflip(dev);
-               }
+               dev_priv->page_flipping = 0;
                radeon_mem_release(filp, dev_priv->gart_heap);
                radeon_mem_release(filp, dev_priv->fb_heap);
                radeon_surfaces_release(filp, dev_priv);
@@ -3081,6 +3169,14 @@ void radeon_driver_preclose(drm_device_t * dev, DRMFILE filp)
 
 void radeon_driver_lastclose(drm_device_t * dev)
 {
+       if (dev->dev_private) {
+               drm_radeon_private_t *dev_priv = dev->dev_private;
+
+               if (dev_priv->sarea_priv &&
+                   dev_priv->sarea_priv->pfCurrentPage != 0)
+                       radeon_cp_dispatch_flip(dev);
+       }
+
        radeon_do_release(dev);
 }