From bb7743bc205177440ba98eca2359779ba943e03b Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Thu, 2 Aug 2018 17:23:33 +0800
Subject: drm/amdgpu: move sdma definitions into amdgpu_sdma header
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Demangle amdgpu.h.
Furthermore, SDMA is used for moving and clearing the data buffer, so the header
also need be included in ttm.
Signed-off-by: Huang Rui <ray.huang@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 101 +++++++++++++++++++++++++++++++
1 file changed, 101 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
(limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h')
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
new file mode 100644
index 000000000000..d17503f0df8e
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright 2018 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 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) OR AUTHOR(S) 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 __AMDGPU_SDMA_H__
+#define __AMDGPU_SDMA_H__
+
+/* max number of IP instances */
+#define AMDGPU_MAX_SDMA_INSTANCES 2
+
+enum amdgpu_sdma_irq {
+ AMDGPU_SDMA_IRQ_TRAP0 = 0,
+ AMDGPU_SDMA_IRQ_TRAP1,
+
+ AMDGPU_SDMA_IRQ_LAST
+};
+
+struct amdgpu_sdma_instance {
+ /* SDMA firmware */
+ const struct firmware *fw;
+ uint32_t fw_version;
+ uint32_t feature_version;
+
+ struct amdgpu_ring ring;
+ bool burst_nop;
+};
+
+struct amdgpu_sdma {
+ struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES];
+#ifdef CONFIG_DRM_AMDGPU_SI
+ //SI DMA has a difference trap irq number for the second engine
+ struct amdgpu_irq_src trap_irq_1;
+#endif
+ struct amdgpu_irq_src trap_irq;
+ struct amdgpu_irq_src illegal_inst_irq;
+ int num_instances;
+ uint32_t srbm_soft_reset;
+};
+
+/*
+ * Provided by hw blocks that can move/clear data. e.g., gfx or sdma
+ * But currently, we use sdma to move data.
+ */
+struct amdgpu_buffer_funcs {
+ /* maximum bytes in a single operation */
+ uint32_t copy_max_bytes;
+
+ /* number of dw to reserve per operation */
+ unsigned copy_num_dw;
+
+ /* used for buffer migration */
+ void (*emit_copy_buffer)(struct amdgpu_ib *ib,
+ /* src addr in bytes */
+ uint64_t src_offset,
+ /* dst addr in bytes */
+ uint64_t dst_offset,
+ /* number of byte to transfer */
+ uint32_t byte_count);
+
+ /* maximum bytes in a single operation */
+ uint32_t fill_max_bytes;
+
+ /* number of dw to reserve per operation */
+ unsigned fill_num_dw;
+
+ /* used for buffer clearing */
+ void (*emit_fill_buffer)(struct amdgpu_ib *ib,
+ /* value to write to memory */
+ uint32_t src_data,
+ /* dst addr in bytes */
+ uint64_t dst_offset,
+ /* number of byte to fill */
+ uint32_t byte_count);
+};
+
+#define amdgpu_emit_copy_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b))
+#define amdgpu_emit_fill_buffer(adev, ib, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((ib), (s), (d), (b))
+
+struct amdgpu_sdma_instance *
+amdgpu_get_sdma_instance(struct amdgpu_ring *ring);
+
+#endif
--
cgit v1.2.3-70-g09d2