6 files changed, 482 insertions, 1 deletions

diff --git a/drivers/gpu/drm/radeon/Makefile b/drivers/gpu/drm/radeon/Makefile
index e47eecfc2df4..230a53da09d3 100644
--- a/drivers/gpu/drm/radeon/Makefile
+++ b/drivers/gpu/drm/radeon/Makefile
@@ -66,7 +66,7 @@ radeon-y += radeon_device.o radeon_asic.o radeon_kms.o \
         r200.o radeon_legacy_tv.o r600_cs.o r600_blit.o r600_blit_shaders.o \
         r600_blit_kms.o radeon_pm.o atombios_dp.o r600_audio.o r600_hdmi.o \
         evergreen.o evergreen_cs.o evergreen_blit_shaders.o evergreen_blit_kms.o \
-        radeon_trace_points.o ni.o
+        radeon_trace_points.o ni.o cayman_blit_shaders.o
 
 radeon-$(CONFIG_COMPAT) += radeon_ioc32.o
 radeon-$(CONFIG_VGA_SWITCHEROO) += radeon_atpx_handler.o
diff --git a/drivers/gpu/drm/radeon/cayman_blit_shaders.c b/drivers/gpu/drm/radeon/cayman_blit_shaders.c
new file mode 100644
index 000000000000..56be2b605d1f
--- /dev/null
+++ b/drivers/gpu/drm/radeon/cayman_blit_shaders.c
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ * Authors:
+ *     Alex Deucher <alexander.deucher@amd.com>
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+
+/*
+ * evergreen cards need to use the 3D engine to blit data which requires
+ * quite a bit of hw state setup.  Rather than pull the whole 3D driver
+ * (which normally generates the 3D state) into the DRM, we opt to use
+ * statically generated state tables.  The regsiter state and shaders
+ * were hand generated to support blitting functionality.  See the 3D
+ * driver or documentation for descriptions of the registers and
+ * shader instructions.
+ */
+
+const u32 cayman_default_state[] =
+{
+        /* XXX fill in additional blit state */
+
+        0xc0026900,
+        0x00000316,
+        0x0000000e, /* VGT_VERTEX_REUSE_BLOCK_CNTL */
+        0x00000010, /*  */
+};
+
+const u32 cayman_default_size = ARRAY_SIZE(cayman_default_state);
diff --git a/drivers/gpu/drm/radeon/cayman_blit_shaders.h b/drivers/gpu/drm/radeon/cayman_blit_shaders.h
new file mode 100644
index 000000000000..33b75e5d0fa4
--- /dev/null
+++ b/drivers/gpu/drm/radeon/cayman_blit_shaders.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#ifndef CAYMAN_BLIT_SHADERS_H
+#define CAYMAN_BLIT_SHADERS_H
+
+extern const u32 cayman_default_state[];
+
+extern const u32 cayman_default_size;
+
+#endif
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c
index 417d9c24fcdb..0fecad240007 100644
--- a/drivers/gpu/drm/radeon/ni.c
+++ b/drivers/gpu/drm/radeon/ni.c
@@ -31,6 +31,7 @@
 #include "nid.h"
 #include "atom.h"
 #include "ni_reg.h"
+#include "cayman_blit_shaders.h"
 
 #define EVERGREEN_PFP_UCODE_SIZE 1120
 #define EVERGREEN_PM4_UCODE_SIZE 1376
@@ -1023,3 +1024,228 @@ void cayman_pcie_gart_fini(struct radeon_device *rdev)
         radeon_gart_fini(rdev);
 }
 
+/*
+ * CP.
+ */
+static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
+{
+        if (enable)
+                WREG32(CP_ME_CNTL, 0);
+        else {
+                rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
+                WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
+                WREG32(SCRATCH_UMSK, 0);
+        }
+}
+
+static int cayman_cp_load_microcode(struct radeon_device *rdev)
+{
+        const __be32 *fw_data;
+        int i;
+
+        if (!rdev->me_fw || !rdev->pfp_fw)
+                return -EINVAL;
+
+        cayman_cp_enable(rdev, false);
+
+        fw_data = (const __be32 *)rdev->pfp_fw->data;
+        WREG32(CP_PFP_UCODE_ADDR, 0);
+        for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
+                WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
+        WREG32(CP_PFP_UCODE_ADDR, 0);
+
+        fw_data = (const __be32 *)rdev->me_fw->data;
+        WREG32(CP_ME_RAM_WADDR, 0);
+        for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
+                WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
+
+        WREG32(CP_PFP_UCODE_ADDR, 0);
+        WREG32(CP_ME_RAM_WADDR, 0);
+        WREG32(CP_ME_RAM_RADDR, 0);
+        return 0;
+}
+
+static int cayman_cp_start(struct radeon_device *rdev)
+{
+        int r, i;
+
+        r = radeon_ring_lock(rdev, 7);
+        if (r) {
+                DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
+                return r;
+        }
+        radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
+        radeon_ring_write(rdev, 0x1);
+        radeon_ring_write(rdev, 0x0);
+        radeon_ring_write(rdev, rdev->config.cayman.max_hw_contexts - 1);
+        radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
+        radeon_ring_write(rdev, 0);
+        radeon_ring_write(rdev, 0);
+        radeon_ring_unlock_commit(rdev);
+
+        cayman_cp_enable(rdev, true);
+
+        r = radeon_ring_lock(rdev, cayman_default_size + 15);
+        if (r) {
+                DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
+                return r;
+        }
+
+        /* setup clear context state */
+        radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
+        radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
+
+        for (i = 0; i < cayman_default_size; i++)
+                radeon_ring_write(rdev, cayman_default_state[i]);
+
+        radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
+        radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
+
+        /* set clear context state */
+        radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
+        radeon_ring_write(rdev, 0);
+
+        /* SQ_VTX_BASE_VTX_LOC */
+        radeon_ring_write(rdev, 0xc0026f00);
+        radeon_ring_write(rdev, 0x00000000);
+        radeon_ring_write(rdev, 0x00000000);
+        radeon_ring_write(rdev, 0x00000000);
+
+        /* Clear consts */
+        radeon_ring_write(rdev, 0xc0036f00);
+        radeon_ring_write(rdev, 0x00000bc4);
+        radeon_ring_write(rdev, 0xffffffff);
+        radeon_ring_write(rdev, 0xffffffff);
+        radeon_ring_write(rdev, 0xffffffff);
+
+        radeon_ring_unlock_commit(rdev);
+
+        /* XXX init other rings */
+
+        return 0;
+}
+
+int cayman_cp_resume(struct radeon_device *rdev)
+{
+        u32 tmp;
+        u32 rb_bufsz;
+        int r;
+
+        /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
+        WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
+                                 SOFT_RESET_PA |
+                                 SOFT_RESET_SH |
+                                 SOFT_RESET_VGT |
+                                 SOFT_RESET_SX));
+        RREG32(GRBM_SOFT_RESET);
+        mdelay(15);
+        WREG32(GRBM_SOFT_RESET, 0);
+        RREG32(GRBM_SOFT_RESET);
+
+        WREG32(CP_SEM_WAIT_TIMER, 0x4);
+
+        /* Set the write pointer delay */
+        WREG32(CP_RB_WPTR_DELAY, 0);
+
+        WREG32(CP_DEBUG, (1 << 27));
+
+        /* ring 0 - compute and gfx */
+        /* Set ring buffer size */
+        rb_bufsz = drm_order(rdev->cp.ring_size / 8);
+        tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
+#ifdef __BIG_ENDIAN
+        tmp |= BUF_SWAP_32BIT;
+#endif
+        WREG32(CP_RB0_CNTL, tmp);
+
+        /* Initialize the ring buffer's read and write pointers */
+        WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
+        WREG32(CP_RB0_WPTR, 0);
+
+        /* set the wb address wether it's enabled or not */
+        WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
+        WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
+        WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
+
+        if (rdev->wb.enabled)
+                WREG32(SCRATCH_UMSK, 0xff);
+        else {
+                tmp |= RB_NO_UPDATE;
+                WREG32(SCRATCH_UMSK, 0);
+        }
+
+        mdelay(1);
+        WREG32(CP_RB0_CNTL, tmp);
+
+        WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8);
+
+        rdev->cp.rptr = RREG32(CP_RB0_RPTR);
+        rdev->cp.wptr = RREG32(CP_RB0_WPTR);
+
+        /* ring1  - compute only */
+        /* Set ring buffer size */
+        rb_bufsz = drm_order(rdev->cp1.ring_size / 8);
+        tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
+#ifdef __BIG_ENDIAN
+        tmp |= BUF_SWAP_32BIT;
+#endif
+        WREG32(CP_RB1_CNTL, tmp);
+
+        /* Initialize the ring buffer's read and write pointers */
+        WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
+        WREG32(CP_RB1_WPTR, 0);
+
+        /* set the wb address wether it's enabled or not */
+        WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
+        WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
+
+        mdelay(1);
+        WREG32(CP_RB1_CNTL, tmp);
+
+        WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8);
+
+        rdev->cp1.rptr = RREG32(CP_RB1_RPTR);
+        rdev->cp1.wptr = RREG32(CP_RB1_WPTR);
+
+        /* ring2 - compute only */
+        /* Set ring buffer size */
+        rb_bufsz = drm_order(rdev->cp2.ring_size / 8);
+        tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
+#ifdef __BIG_ENDIAN
+        tmp |= BUF_SWAP_32BIT;
+#endif
+        WREG32(CP_RB2_CNTL, tmp);
+
+        /* Initialize the ring buffer's read and write pointers */
+        WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
+        WREG32(CP_RB2_WPTR, 0);
+
+        /* set the wb address wether it's enabled or not */
+        WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
+        WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
+
+        mdelay(1);
+        WREG32(CP_RB2_CNTL, tmp);
+
+        WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8);
+
+        rdev->cp2.rptr = RREG32(CP_RB2_RPTR);
+        rdev->cp2.wptr = RREG32(CP_RB2_WPTR);
+
+        /* start the rings */
+        cayman_cp_start(rdev);
+        rdev->cp.ready = true;
+        rdev->cp1.ready = true;
+        rdev->cp2.ready = true;
+        /* this only test cp0 */
+        r = radeon_ring_test(rdev);
+        if (r) {
+                rdev->cp.ready = false;
+                rdev->cp1.ready = false;
+                rdev->cp2.ready = false;
+                return r;
+        }
+
+        return 0;
+}
+
diff --git a/drivers/gpu/drm/radeon/nid.h b/drivers/gpu/drm/radeon/nid.h
index 9dc2b3429c3f..57062f14acc9 100644
--- a/drivers/gpu/drm/radeon/nid.h
+++ b/drivers/gpu/drm/radeon/nid.h
@@ -205,6 +205,24 @@
 #define         SOFT_RESET_VGT                                  (1 << 14)
 #define         SOFT_RESET_IA                                   (1 << 15)
 
+#define SCRATCH_REG0                                    0x8500
+#define SCRATCH_REG1                                    0x8504
+#define SCRATCH_REG2                                    0x8508
+#define SCRATCH_REG3                                    0x850C
+#define SCRATCH_REG4                                    0x8510
+#define SCRATCH_REG5                                    0x8514
+#define SCRATCH_REG6                                    0x8518
+#define SCRATCH_REG7                                    0x851C
+#define SCRATCH_UMSK                                    0x8540
+#define SCRATCH_ADDR                                    0x8544
+#define CP_SEM_WAIT_TIMER                               0x85BC
+#define CP_ME_CNTL                                      0x86D8
+#define         CP_ME_HALT                                      (1 << 28)
+#define         CP_PFP_HALT                                     (1 << 26)
+#define CP_RB2_RPTR                                     0x86f8
+#define CP_RB1_RPTR                                     0x86fc
+#define CP_RB0_RPTR                                     0x8700
+#define CP_RB_WPTR_DELAY                                0x8704
 #define CP_MEQ_THRESHOLDS                               0x8764
 #define         MEQ1_START(x)                           ((x) << 0)
 #define         MEQ2_START(x)                           ((x) << 8)
@@ -363,5 +381,155 @@
 #define         ACK_FLUSH_CTL(x)                                ((x) << 6)
 #define         SYNC_FLUSH_CTL                                  (1 << 8)
 
+#define CP_RB0_BASE                                     0xC100
+#define CP_RB0_CNTL                                     0xC104
+#define         RB_BUFSZ(x)                                     ((x) << 0)
+#define         RB_BLKSZ(x)                                     ((x) << 8)
+#define         RB_NO_UPDATE                                    (1 << 27)
+#define         RB_RPTR_WR_ENA                                  (1 << 31)
+#define         BUF_SWAP_32BIT                                  (2 << 16)
+#define CP_RB0_RPTR_ADDR                                0xC10C
+#define CP_RB0_RPTR_ADDR_HI                             0xC110
+#define CP_RB0_WPTR                                     0xC114
+#define CP_RB1_BASE                                     0xC180
+#define CP_RB1_CNTL                                     0xC184
+#define CP_RB1_RPTR_ADDR                                0xC188
+#define CP_RB1_RPTR_ADDR_HI                             0xC18C
+#define CP_RB1_WPTR                                     0xC190
+#define CP_RB2_BASE                                     0xC194
+#define CP_RB2_CNTL                                     0xC198
+#define CP_RB2_RPTR_ADDR                                0xC19C
+#define CP_RB2_RPTR_ADDR_HI                             0xC1A0
+#define CP_RB2_WPTR                                     0xC1A4
+#define CP_PFP_UCODE_ADDR                               0xC150
+#define CP_PFP_UCODE_DATA                               0xC154
+#define CP_ME_RAM_RADDR                                 0xC158
+#define CP_ME_RAM_WADDR                                 0xC15C
+#define CP_ME_RAM_DATA                                  0xC160
+#define CP_DEBUG                                        0xC1FC
+
+/*
+ * PM4
+ */
+#define PACKET_TYPE0    0
+#define PACKET_TYPE1    1
+#define PACKET_TYPE2    2
+#define PACKET_TYPE3    3
+
+#define CP_PACKET_GET_TYPE(h) (((h) >> 30) & 3)
+#define CP_PACKET_GET_COUNT(h) (((h) >> 16) & 0x3FFF)
+#define CP_PACKET0_GET_REG(h) (((h) & 0xFFFF) << 2)
+#define CP_PACKET3_GET_OPCODE(h) (((h) >> 8) & 0xFF)
+#define PACKET0(reg, n) ((PACKET_TYPE0 << 30) |                         \
+                         (((reg) >> 2) & 0xFFFF) |                      \
+                         ((n) & 0x3FFF) << 16)
+#define CP_PACKET2                      0x80000000
+#define         PACKET2_PAD_SHIFT               0
+#define         PACKET2_PAD_MASK                (0x3fffffff << 0)
+
+#define PACKET2(v)      (CP_PACKET2 | REG_SET(PACKET2_PAD, (v)))
+
+#define PACKET3(op, n)  ((PACKET_TYPE3 << 30) |                         \
+                         (((op) & 0xFF) << 8) |                         \
+                         ((n) & 0x3FFF) << 16)
+
+/* Packet 3 types */
+#define PACKET3_NOP                                     0x10
+#define PACKET3_SET_BASE                                0x11
+#define PACKET3_CLEAR_STATE                             0x12
+#define PACKET3_INDEX_BUFFER_SIZE                       0x13
+#define PACKET3_DEALLOC_STATE                           0x14
+#define PACKET3_DISPATCH_DIRECT                         0x15
+#define PACKET3_DISPATCH_INDIRECT                       0x16
+#define PACKET3_INDIRECT_BUFFER_END                     0x17
+#define PACKET3_SET_PREDICATION                         0x20
+#define PACKET3_REG_RMW                                 0x21
+#define PACKET3_COND_EXEC                               0x22
+#define PACKET3_PRED_EXEC                               0x23
+#define PACKET3_DRAW_INDIRECT                           0x24
+#define PACKET3_DRAW_INDEX_INDIRECT                     0x25
+#define PACKET3_INDEX_BASE                              0x26
+#define PACKET3_DRAW_INDEX_2                            0x27
+#define PACKET3_CONTEXT_CONTROL                         0x28
+#define PACKET3_DRAW_INDEX_OFFSET                       0x29
+#define PACKET3_INDEX_TYPE                              0x2A
+#define PACKET3_DRAW_INDEX                              0x2B
+#define PACKET3_DRAW_INDEX_AUTO                         0x2D
+#define PACKET3_DRAW_INDEX_IMMD                         0x2E
+#define PACKET3_NUM_INSTANCES                           0x2F
+#define PACKET3_DRAW_INDEX_MULTI_AUTO                   0x30
+#define PACKET3_INDIRECT_BUFFER                         0x32
+#define PACKET3_STRMOUT_BUFFER_UPDATE                   0x34
+#define PACKET3_DRAW_INDEX_OFFSET_2                     0x35
+#define PACKET3_DRAW_INDEX_MULTI_ELEMENT                0x36
+#define PACKET3_WRITE_DATA                              0x37
+#define PACKET3_MEM_SEMAPHORE                           0x39
+#define PACKET3_MPEG_INDEX                              0x3A
+#define PACKET3_WAIT_REG_MEM                            0x3C
+#define PACKET3_MEM_WRITE                               0x3D
+#define PACKET3_SURFACE_SYNC                            0x43
+#              define PACKET3_CB0_DEST_BASE_ENA    (1 << 6)
+#              define PACKET3_CB1_DEST_BASE_ENA    (1 << 7)
+#              define PACKET3_CB2_DEST_BASE_ENA    (1 << 8)
+#              define PACKET3_CB3_DEST_BASE_ENA    (1 << 9)
+#              define PACKET3_CB4_DEST_BASE_ENA    (1 << 10)
+#              define PACKET3_CB5_DEST_BASE_ENA    (1 << 11)
+#              define PACKET3_CB6_DEST_BASE_ENA    (1 << 12)
+#              define PACKET3_CB7_DEST_BASE_ENA    (1 << 13)
+#              define PACKET3_DB_DEST_BASE_ENA     (1 << 14)
+#              define PACKET3_CB8_DEST_BASE_ENA    (1 << 15)
+#              define PACKET3_CB9_DEST_BASE_ENA    (1 << 16)
+#              define PACKET3_CB10_DEST_BASE_ENA   (1 << 17)
+#              define PACKET3_CB11_DEST_BASE_ENA   (1 << 18)
+#              define PACKET3_FULL_CACHE_ENA       (1 << 20)
+#              define PACKET3_TC_ACTION_ENA        (1 << 23)
+#              define PACKET3_CB_ACTION_ENA        (1 << 25)
+#              define PACKET3_DB_ACTION_ENA        (1 << 26)
+#              define PACKET3_SH_ACTION_ENA        (1 << 27)
+#              define PACKET3_SX_ACTION_ENA        (1 << 28)
+#define PACKET3_ME_INITIALIZE                           0x44
+#define         PACKET3_ME_INITIALIZE_DEVICE_ID(x) ((x) << 16)
+#define PACKET3_COND_WRITE                              0x45
+#define PACKET3_EVENT_WRITE                             0x46
+#define PACKET3_EVENT_WRITE_EOP                         0x47
+#define PACKET3_EVENT_WRITE_EOS                         0x48
+#define PACKET3_PREAMBLE_CNTL                           0x4A
+#              define PACKET3_PREAMBLE_BEGIN_CLEAR_STATE     (2 << 28)
+#              define PACKET3_PREAMBLE_END_CLEAR_STATE       (3 << 28)
+#define PACKET3_ALU_PS_CONST_BUFFER_COPY                0x4C
+#define PACKET3_ALU_VS_CONST_BUFFER_COPY                0x4D
+#define PACKET3_ALU_PS_CONST_UPDATE                     0x4E
+#define PACKET3_ALU_VS_CONST_UPDATE                     0x4F
+#define PACKET3_ONE_REG_WRITE                           0x57
+#define PACKET3_SET_CONFIG_REG                          0x68
+#define         PACKET3_SET_CONFIG_REG_START                    0x00008000
+#define         PACKET3_SET_CONFIG_REG_END                      0x0000ac00
+#define PACKET3_SET_CONTEXT_REG                         0x69
+#define         PACKET3_SET_CONTEXT_REG_START                   0x00028000
+#define         PACKET3_SET_CONTEXT_REG_END                     0x00029000
+#define PACKET3_SET_ALU_CONST                           0x6A
+/* alu const buffers only; no reg file */
+#define PACKET3_SET_BOOL_CONST                          0x6B
+#define         PACKET3_SET_BOOL_CONST_START                    0x0003a500
+#define         PACKET3_SET_BOOL_CONST_END                      0x0003a518
+#define PACKET3_SET_LOOP_CONST                          0x6C
+#define         PACKET3_SET_LOOP_CONST_START                    0x0003a200
+#define         PACKET3_SET_LOOP_CONST_END                      0x0003a500
+#define PACKET3_SET_RESOURCE                            0x6D
+#define         PACKET3_SET_RESOURCE_START                      0x00030000
+#define         PACKET3_SET_RESOURCE_END                        0x00038000
+#define PACKET3_SET_SAMPLER                             0x6E
+#define         PACKET3_SET_SAMPLER_START                       0x0003c000
+#define         PACKET3_SET_SAMPLER_END                         0x0003c600
+#define PACKET3_SET_CTL_CONST                           0x6F
+#define         PACKET3_SET_CTL_CONST_START                     0x0003cff0
+#define         PACKET3_SET_CTL_CONST_END                       0x0003ff0c
+#define PACKET3_SET_RESOURCE_OFFSET                     0x70
+#define PACKET3_SET_ALU_CONST_VS                        0x71
+#define PACKET3_SET_ALU_CONST_DI                        0x72
+#define PACKET3_SET_CONTEXT_REG_INDIRECT                0x73
+#define PACKET3_SET_RESOURCE_INDIRECT                   0x74
+#define PACKET3_SET_APPEND_CNT                          0x75
+
 #endif
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 4b77b79fbbc2..4ff28d68a498 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -664,6 +664,8 @@ struct radeon_wb {
 
 #define RADEON_WB_SCRATCH_OFFSET 0
 #define RADEON_WB_CP_RPTR_OFFSET 1024
+#define RADEON_WB_CP1_RPTR_OFFSET 1280
+#define RADEON_WB_CP2_RPTR_OFFSET 1536
 #define R600_WB_IH_WPTR_OFFSET   2048
 #define R600_WB_EVENT_OFFSET     3072
 
@@ -1186,6 +1188,9 @@ struct radeon_device {
         struct radeon_mman              mman;
         struct radeon_fence_driver      fence_drv;
         struct radeon_cp                cp;
+        /* cayman compute rings */
+        struct radeon_cp                cp1;
+        struct radeon_cp                cp2;
         struct radeon_ib_pool           ib_pool;
         struct radeon_irq               irq;
         struct radeon_asic              *asic;