drm/radeon: add initial r500 support.

This contains all the command buffer processing for the r500 cards.
It doesn't yet contain vblank support.

Signed-off-by: Dave Airlie <airlied@redhat.com>

4 files changed, 135 insertions, 12 deletions

diff --git a/drivers/char/drm/r300_cmdbuf.c b/drivers/char/drm/r300_cmdbuf.c
index f535812e4057..329733a48b64 100644
--- a/drivers/char/drm/r300_cmdbuf.c
+++ b/drivers/char/drm/r300_cmdbuf.c
@@ -189,18 +189,12 @@ void r300_init_reg_flags(struct drm_device *dev)
         ADD_RANGE(R300_RE_CULL_CNTL, 1);
         ADD_RANGE(0x42C0, 2);
         ADD_RANGE(R300_RS_CNTL_0, 2);
-        ADD_RANGE(R300_RS_INTERP_0, 8);
-        ADD_RANGE(R300_RS_ROUTE_0, 8);
+
         ADD_RANGE(0x43A4, 2);
         ADD_RANGE(0x43E8, 1);
-        ADD_RANGE(R300_PFS_CNTL_0, 3);
-        ADD_RANGE(R300_PFS_NODE_0, 4);
-        ADD_RANGE(R300_PFS_TEXI_0, 64);
+
         ADD_RANGE(0x46A4, 5);
-        ADD_RANGE(R300_PFS_INSTR0_0, 64);
-        ADD_RANGE(R300_PFS_INSTR1_0, 64);
-        ADD_RANGE(R300_PFS_INSTR2_0, 64);
-        ADD_RANGE(R300_PFS_INSTR3_0, 64);
+
         ADD_RANGE(R300_RE_FOG_STATE, 1);
         ADD_RANGE(R300_FOG_COLOR_R, 3);
         ADD_RANGE(R300_PP_ALPHA_TEST, 2);
@@ -241,7 +235,25 @@ void r300_init_reg_flags(struct drm_device *dev)
         ADD_RANGE(R300_VAP_INPUT_ROUTE_1_0, 8);
 
         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RV515) {
-                ADD_RANGE(0x4074, 16);
+                ADD_RANGE(R500_VAP_INDEX_OFFSET, 1);
+                ADD_RANGE(R500_US_CONFIG, 2);
+                ADD_RANGE(R500_US_CODE_ADDR, 3);
+                ADD_RANGE(R500_US_FC_CTRL, 1);
+                ADD_RANGE(R500_RS_IP_0, 16);
+                ADD_RANGE(R500_RS_INST_0, 16);
+                ADD_RANGE(R500_RB3D_COLOR_CLEAR_VALUE_AR, 2);
+                ADD_RANGE(R500_RB3D_CONSTANT_COLOR_AR, 2);
+        } else {
+                ADD_RANGE(R300_PFS_CNTL_0, 3);
+                ADD_RANGE(R300_PFS_NODE_0, 4);
+                ADD_RANGE(R300_PFS_TEXI_0, 64);
+                ADD_RANGE(R300_PFS_INSTR0_0, 64);
+                ADD_RANGE(R300_PFS_INSTR1_0, 64);
+                ADD_RANGE(R300_PFS_INSTR2_0, 64);
+                ADD_RANGE(R300_PFS_INSTR3_0, 64);
+                ADD_RANGE(R300_RS_INTERP_0, 8);
+                ADD_RANGE(R300_RS_ROUTE_0, 8);
+
         }
 }
 
@@ -829,6 +841,54 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
 }
 
 /**
+ * Uploads user-supplied vertex program instructions or parameters onto
+ * the graphics card.
+ * Called by r300_do_cp_cmdbuf.
+ */
+static inline int r300_emit_r500fp(drm_radeon_private_t *dev_priv,
+                                       drm_radeon_kcmd_buffer_t *cmdbuf,
+                                       drm_r300_cmd_header_t header)
+{
+        int sz;
+        int addr;
+        int type;
+        int clamp;
+        int stride;
+        RING_LOCALS;
+
+        sz = header.r500fp.count;
+        /* address is 9 bits 0 - 8, bit 1 of flags is part of address */
+        addr = ((header.r500fp.adrhi_flags & 1) << 8) | header.r500fp.adrlo;
+
+        type = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_TYPE);
+        clamp = !!(header.r500fp.adrhi_flags & R500FP_CONSTANT_CLAMP);
+
+        addr |= (type << 16);
+        addr |= (clamp << 17);
+
+        stride = type ? 4 : 6;
+
+        DRM_DEBUG("r500fp %d %d type: %d\n", sz, addr, type);
+        if (!sz)
+                return 0;
+        if (sz * stride * 4 > cmdbuf->bufsz)
+                return -EINVAL;
+
+        BEGIN_RING(3 + sz * stride);
+        OUT_RING_REG(R500_GA_US_VECTOR_INDEX, addr);
+        OUT_RING(CP_PACKET0_TABLE(R500_GA_US_VECTOR_DATA, sz * stride - 1));
+        OUT_RING_TABLE((int *)cmdbuf->buf, sz * stride);
+
+        ADVANCE_RING();
+
+        cmdbuf->buf += sz * stride * 4;
+        cmdbuf->bufsz -= sz * stride * 4;
+
+        return 0;
+}
+
+
+/**
  * Parses and validates a user-supplied command buffer and emits appropriate
  * commands on the DMA ring buffer.
  * Called by the ioctl handler function radeon_cp_cmdbuf.
@@ -963,6 +1023,19 @@ int r300_do_cp_cmdbuf(struct drm_device *dev,
                         }
                         break;
 
+                case R300_CMD_R500FP:
+                        if ((dev_priv->flags & RADEON_FAMILY_MASK) < CHIP_RV515) {
+                                DRM_ERROR("Calling r500 command on r300 card\n");
+                                ret = -EINVAL;
+                                goto cleanup;
+                        }
+                        DRM_DEBUG("R300_CMD_R500FP\n");
+                        ret = r300_emit_r500fp(dev_priv, cmdbuf, header);
+                        if (ret) {
+                                DRM_ERROR("r300_emit_r500fp failed\n");
+                                goto cleanup;
+                        }
+                        break;
                 default:
                         DRM_ERROR("bad cmd_type %i at %p\n",
                                   header.header.cmd_type,
diff --git a/drivers/char/drm/r300_reg.h b/drivers/char/drm/r300_reg.h
index a72c70322483..a883d10c40b1 100644
--- a/drivers/char/drm/r300_reg.h
+++ b/drivers/char/drm/r300_reg.h
@@ -1623,4 +1623,20 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #define R300_CP_CMD_BITBLT_MULTI        0xC0009B00
 
+#define R500_VAP_INDEX_OFFSET           0x208c
+
+#define R500_GA_US_VECTOR_INDEX         0x4250
+#define R500_GA_US_VECTOR_DATA          0x4254
+
+#define R500_RS_IP_0                    0x4074
+#define R500_RS_INST_0                  0x4320
+
+#define R500_US_CONFIG                  0x4600
+
+#define R500_US_FC_CTRL                 0x4624
+#define R500_US_CODE_ADDR               0x4630
+
+#define R500_RB3D_COLOR_CLEAR_VALUE_AR  0x46c0
+#define R500_RB3D_CONSTANT_COLOR_AR     0x4ef8
+
 #endif /* _R300_REG_H */
diff --git a/drivers/char/drm/radeon_drm.h b/drivers/char/drm/radeon_drm.h
index 68b0608e01c9..73ff51f12311 100644
--- a/drivers/char/drm/radeon_drm.h
+++ b/drivers/char/drm/radeon_drm.h
@@ -240,6 +240,7 @@ typedef union {
 #       define R300_NEW_WAIT_2D_2D_CLEAN_3D_3D_CLEAN    0x8
 
 #define R300_CMD_SCRATCH                8
+#define R300_CMD_R500FP                 9
 
 typedef union {
         unsigned int u;
@@ -268,6 +269,9 @@ typedef union {
         struct {
                 unsigned char cmd_type, reg, n_bufs, flags;
         } scratch;
+        struct {
+                unsigned char cmd_type, count, adrlo, adrhi_flags;
+        } r500fp;
 } drm_r300_cmd_header_t;
 
 #define RADEON_FRONT                    0x1
@@ -278,6 +282,9 @@ typedef union {
 #define RADEON_USE_HIERZ                0x40000000
 #define RADEON_USE_COMP_ZBUF            0x20000000
 
+#define R500FP_CONSTANT_TYPE  (1 << 1)
+#define R500FP_CONSTANT_CLAMP (1 << 2)
+
 /* Primitive types
  */
 #define RADEON_POINTS                   0x1
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index c3615cf20b85..d0dc47cee6c9 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -38,7 +38,7 @@
 
 #define DRIVER_NAME             "radeon"
 #define DRIVER_DESC             "ATI Radeon"
-#define DRIVER_DATE             "20060524"
+#define DRIVER_DATE             "20080528"
 
 /* Interface history:
  *
@@ -98,9 +98,10 @@
  * 1.26- Add support for variable size PCI(E) gart aperture
  * 1.27- Add support for IGP GART
  * 1.28- Add support for VBL on CRTC2
+ * 1.29- R500 3D cmd buffer support
  */
 #define DRIVER_MAJOR            1
-#define DRIVER_MINOR            28
+#define DRIVER_MINOR            29
 #define DRIVER_PATCHLEVEL       0
 
 /*
@@ -294,6 +295,7 @@ typedef struct drm_radeon_private {
         int vblank_crtc;
         uint32_t irq_enable_reg;
         int irq_enabled;
+        uint32_t r500_disp_irq_reg;
 
         struct radeon_surface surfaces[RADEON_MAX_SURFACES];
         struct radeon_virt_surface virt_surfaces[2 * RADEON_MAX_SURFACES];
@@ -1103,6 +1105,31 @@ extern int r300_do_cp_cmdbuf(struct drm_device * dev,
 
 #define R200_VAP_PVS_CNTL_1               0x22D0
 
+#define R500_D1CRTC_STATUS 0x609c
+#define R500_D2CRTC_STATUS 0x689c
+#define R500_CRTC_V_BLANK (1<<0)
+
+#define R500_D1CRTC_FRAME_COUNT 0x60a4
+#define R500_D2CRTC_FRAME_COUNT 0x68a4
+
+#define R500_D1MODE_V_COUNTER 0x6530
+#define R500_D2MODE_V_COUNTER 0x6d30
+
+#define R500_D1MODE_VBLANK_STATUS 0x6534
+#define R500_D2MODE_VBLANK_STATUS 0x6d34
+#define R500_VBLANK_OCCURED (1<<0)
+#define R500_VBLANK_ACK     (1<<4)
+#define R500_VBLANK_STAT    (1<<12)
+#define R500_VBLANK_INT     (1<<16)
+
+#define R500_DxMODE_INT_MASK 0x6540
+#define R500_D1MODE_INT_MASK (1<<0)
+#define R500_D2MODE_INT_MASK (1<<8)
+
+#define R500_DISP_INTERRUPT_STATUS 0x7edc
+#define R500_D1_VBLANK_INTERRUPT (1 << 4)
+#define R500_D2_VBLANK_INTERRUPT (1 << 5)
+
 /* Constants */
 #define RADEON_MAX_USEC_TIMEOUT         100000  /* 100 ms */