This is the main header file for amdgpu.
v2: remove stable comments
Acked-by: Christian König <christian.koenig@xxxxxxx>
Acked-by: Jammy Zhou <Jammy.Zhou@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu.h | 2387 +++++++++++++++++++++++++++++++++++
1 file changed, 2387 insertions(+)
create mode 100644 drivers/gpu/drm/amd/amdgpu/amdgpu.h
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
new file mode 100644
index 0000000..65246abc
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -0,0 +1,2387 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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.
+ *
+ * Authors: Dave Airlie
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#ifndef __AMDGPU_H__
+#define __AMDGPU_H__
+
+#include <linux/atomic.h>
+#include <linux/wait.h>
+#include <linux/list.h>
+#include <linux/kref.h>
+#include <linux/interval_tree.h>
+#include <linux/hashtable.h>
+#include <linux/fence.h>
+
+#include <ttm/ttm_bo_api.h>
+#include <ttm/ttm_bo_driver.h>
+#include <ttm/ttm_placement.h>
+#include <ttm/ttm_module.h>
+#include <ttm/ttm_execbuf_util.h>
+
+#include <drm/drm_gem.h>
+
+#include "amdgpu_family.h"
+#include "amdgpu_mode.h"
+#include "amdgpu_ih.h"
+#include "amdgpu_irq.h"
+#include "amdgpu_ucode.h"
+#include "amdgpu_gds.h"
+
+/*
+ * Modules parameters.
+ */
+extern int amdgpu_modeset;
+extern int amdgpu_vram_limit;
+extern int amdgpu_gart_size;
+extern int amdgpu_benchmarking;
+extern int amdgpu_testing;
+extern int amdgpu_audio;
+extern int amdgpu_disp_priority;
+extern int amdgpu_hw_i2c;
+extern int amdgpu_pcie_gen2;
+extern int amdgpu_msi;
+extern int amdgpu_lockup_timeout;
+extern int amdgpu_dpm;
+extern int amdgpu_smc_load_fw;
+extern int amdgpu_aspm;
+extern int amdgpu_runtime_pm;
+extern int amdgpu_hard_reset;
+extern unsigned amdgpu_ip_block_mask;
+extern int amdgpu_bapm;
+extern int amdgpu_deep_color;
+extern int amdgpu_vm_size;
+extern int amdgpu_vm_block_size;
+
+#define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
+#define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
+/* AMDGPU_IB_POOL_SIZE must be a power of 2 */
+#define AMDGPU_IB_POOL_SIZE 16
+#define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
+#define AMDGPUFB_CONN_LIMIT 4
+#define AMDGPU_BIOS_NUM_SCRATCH 8
+
+/* fence seq are set to this number when signaled */
+#define AMDGPU_FENCE_SIGNALED_SEQ 0LL
+
+/* max number of rings */
+#define AMDGPU_MAX_RINGS 16
+#define AMDGPU_MAX_GFX_RINGS 1
+#define AMDGPU_MAX_COMPUTE_RINGS 8
+#define AMDGPU_MAX_VCE_RINGS 2
+
+/* number of hw syncs before falling back on blocking */
+#define AMDGPU_NUM_SYNCS 4
+
+/* hardcode that limit for now */
+#define AMDGPU_VA_RESERVED_SIZE (8 << 20)
+
+/* hard reset data */
+#define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
+
+/* reset flags */
+#define AMDGPU_RESET_GFX (1 << 0)
+#define AMDGPU_RESET_COMPUTE (1 << 1)
+#define AMDGPU_RESET_DMA (1 << 2)
+#define AMDGPU_RESET_CP (1 << 3)
+#define AMDGPU_RESET_GRBM (1 << 4)
+#define AMDGPU_RESET_DMA1 (1 << 5)
+#define AMDGPU_RESET_RLC (1 << 6)
+#define AMDGPU_RESET_SEM (1 << 7)
+#define AMDGPU_RESET_IH (1 << 8)
+#define AMDGPU_RESET_VMC (1 << 9)
+#define AMDGPU_RESET_MC (1 << 10)
+#define AMDGPU_RESET_DISPLAY (1 << 11)
+#define AMDGPU_RESET_UVD (1 << 12)
+#define AMDGPU_RESET_VCE (1 << 13)
+#define AMDGPU_RESET_VCE1 (1 << 14)
+
+/* CG block flags */
+#define AMDGPU_CG_BLOCK_GFX (1 << 0)
+#define AMDGPU_CG_BLOCK_MC (1 << 1)
+#define AMDGPU_CG_BLOCK_SDMA (1 << 2)
+#define AMDGPU_CG_BLOCK_UVD (1 << 3)
+#define AMDGPU_CG_BLOCK_VCE (1 << 4)
+#define AMDGPU_CG_BLOCK_HDP (1 << 5)
+#define AMDGPU_CG_BLOCK_BIF (1 << 6)
+
+/* CG flags */
+#define AMDGPU_CG_SUPPORT_GFX_MGCG (1 << 0)
+#define AMDGPU_CG_SUPPORT_GFX_MGLS (1 << 1)
+#define AMDGPU_CG_SUPPORT_GFX_CGCG (1 << 2)
+#define AMDGPU_CG_SUPPORT_GFX_CGLS (1 << 3)
+#define AMDGPU_CG_SUPPORT_GFX_CGTS (1 << 4)
+#define AMDGPU_CG_SUPPORT_GFX_CGTS_LS (1 << 5)
+#define AMDGPU_CG_SUPPORT_GFX_CP_LS (1 << 6)
+#define AMDGPU_CG_SUPPORT_GFX_RLC_LS (1 << 7)
+#define AMDGPU_CG_SUPPORT_MC_LS (1 << 8)
+#define AMDGPU_CG_SUPPORT_MC_MGCG (1 << 9)
+#define AMDGPU_CG_SUPPORT_SDMA_LS (1 << 10)
+#define AMDGPU_CG_SUPPORT_SDMA_MGCG (1 << 11)
+#define AMDGPU_CG_SUPPORT_BIF_LS (1 << 12)
+#define AMDGPU_CG_SUPPORT_UVD_MGCG (1 << 13)
+#define AMDGPU_CG_SUPPORT_VCE_MGCG (1 << 14)
+#define AMDGPU_CG_SUPPORT_HDP_LS (1 << 15)
+#define AMDGPU_CG_SUPPORT_HDP_MGCG (1 << 16)
+
+/* PG flags */
+#define AMDGPU_PG_SUPPORT_GFX_PG (1 << 0)
+#define AMDGPU_PG_SUPPORT_GFX_SMG (1 << 1)
+#define AMDGPU_PG_SUPPORT_GFX_DMG (1 << 2)
+#define AMDGPU_PG_SUPPORT_UVD (1 << 3)
+#define AMDGPU_PG_SUPPORT_VCE (1 << 4)
+#define AMDGPU_PG_SUPPORT_CP (1 << 5)
+#define AMDGPU_PG_SUPPORT_GDS (1 << 6)
+#define AMDGPU_PG_SUPPORT_RLC_SMU_HS (1 << 7)
+#define AMDGPU_PG_SUPPORT_SDMA (1 << 8)
+#define AMDGPU_PG_SUPPORT_ACP (1 << 9)
+#define AMDGPU_PG_SUPPORT_SAMU (1 << 10)
+
+/* GFX current status */
+#define AMDGPU_GFX_NORMAL_MODE 0x00000000L
+#define AMDGPU_GFX_SAFE_MODE 0x00000001L
+#define AMDGPU_GFX_PG_DISABLED_MODE 0x00000002L
+#define AMDGPU_GFX_CG_DISABLED_MODE 0x00000004L
+#define AMDGPU_GFX_LBPW_DISABLED_MODE 0x00000008L
+
+/* max cursor sizes (in pixels) */
+#define CIK_CURSOR_WIDTH 128
+#define CIK_CURSOR_HEIGHT 128
+
+struct amdgpu_device;
+struct amdgpu_fence;
+struct amdgpu_ib;
+struct amdgpu_vm;
+struct amdgpu_ring;
+struct amdgpu_semaphore;
+struct amdgpu_cs_parser;
+struct amdgpu_irq_src;
+
+enum amdgpu_cp_irq {
+ AMDGPU_CP_IRQ_GFX_EOP = 0,
+ AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
+ AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
+
+ AMDGPU_CP_IRQ_LAST
+};
+
+enum amdgpu_sdma_irq {
+ AMDGPU_SDMA_IRQ_TRAP0 = 0,
+ AMDGPU_SDMA_IRQ_TRAP1,
+
+ AMDGPU_SDMA_IRQ_LAST
+};
+
+enum amdgpu_thermal_irq {
+ AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
+ AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
+
+ AMDGPU_THERMAL_IRQ_LAST
+};
+
+/*
+ * IP block functions
+ */
+enum amdgpu_ip_block_type {
+ AMDGPU_IP_BLOCK_TYPE_COMMON,
+ AMDGPU_IP_BLOCK_TYPE_GMC,
+ AMDGPU_IP_BLOCK_TYPE_IH,
+ AMDGPU_IP_BLOCK_TYPE_SMC,
+ AMDGPU_IP_BLOCK_TYPE_DCE,
+ AMDGPU_IP_BLOCK_TYPE_GFX,
+ AMDGPU_IP_BLOCK_TYPE_SDMA,
+ AMDGPU_IP_BLOCK_TYPE_UVD,
+ AMDGPU_IP_BLOCK_TYPE_VCE,
+};
+
+enum amdgpu_clockgating_state {
+ AMDGPU_CG_STATE_GATE = 0,
+ AMDGPU_CG_STATE_UNGATE,
+};
+
+enum amdgpu_powergating_state {
+ AMDGPU_PG_STATE_GATE = 0,
+ AMDGPU_PG_STATE_UNGATE,
+};
+
+struct amdgpu_ip_funcs {
+ /* sets up early driver state (pre sw_init), does not configure hw - Optional */
+ int (*early_init)(struct amdgpu_device *adev);
+ /* sets up late driver/hw state (post hw_init) - Optional */
+ int (*late_init)(struct amdgpu_device *adev);
+ /* sets up driver state, does not configure hw */
+ int (*sw_init)(struct amdgpu_device *adev);
+ /* tears down driver state, does not configure hw */
+ int (*sw_fini)(struct amdgpu_device *adev);
+ /* sets up the hw state */
+ int (*hw_init)(struct amdgpu_device *adev);
+ /* tears down the hw state */
+ int (*hw_fini)(struct amdgpu_device *adev);
+ /* handles IP specific hw/sw changes for suspend */
+ int (*suspend)(struct amdgpu_device *adev);
+ /* handles IP specific hw/sw changes for resume */
+ int (*resume)(struct amdgpu_device *adev);
+ /* returns current IP block idle status */
+ bool (*is_idle)(struct amdgpu_device *adev);
+ /* poll for idle */
+ int (*wait_for_idle)(struct amdgpu_device *adev);
+ /* soft reset the IP block */
+ int (*soft_reset)(struct amdgpu_device *adev);
+ /* dump the IP block status registers */
+ void (*print_status)(struct amdgpu_device *adev);
+ /* enable/disable cg for the IP block */
+ int (*set_clockgating_state)(struct amdgpu_device *adev,
+ enum amdgpu_clockgating_state state);
+ /* enable/disable pg for the IP block */
+ int (*set_powergating_state)(struct amdgpu_device *adev,
+ enum amdgpu_powergating_state state);
+};
+
+int amdgpu_set_clockgating_state(struct amdgpu_device *adev,
+ enum amdgpu_ip_block_type block_type,
+ enum amdgpu_clockgating_state state);
+int amdgpu_set_powergating_state(struct amdgpu_device *adev,
+ enum amdgpu_ip_block_type block_type,
+ enum amdgpu_powergating_state state);
+
+struct amdgpu_ip_block_version {
+ enum amdgpu_ip_block_type type;
+ u32 major;
+ u32 minor;
+ u32 rev;
+ const struct amdgpu_ip_funcs *funcs;
+};
+
+int amdgpu_ip_block_version_cmp(struct amdgpu_device *adev,
+ enum amdgpu_ip_block_type type,
+ u32 major, u32 minor);
+
+const struct amdgpu_ip_block_version * amdgpu_get_ip_block(
+ struct amdgpu_device *adev,
+ enum amdgpu_ip_block_type type);
+
+/* provided by hw blocks that can move/clear data. e.g., gfx or sdma */
+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_ring *ring,
+ /* 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_ring *ring,
+ /* 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);
+};
+
+/* provided by hw blocks that can write ptes, e.g., sdma */
+struct amdgpu_vm_pte_funcs {
+ /* copy pte entries from GART */
+ void (*copy_pte)(struct amdgpu_ib *ib,
+ uint64_t pe, uint64_t src,
+ unsigned count);
+ /* write pte one entry at a time with addr mapping */
+ void (*write_pte)(struct amdgpu_ib *ib,
+ uint64_t pe,
+ uint64_t addr, unsigned count,
+ uint32_t incr, uint32_t flags);
+ /* for linear pte/pde updates without addr mapping */
+ void (*set_pte_pde)(struct amdgpu_ib *ib,
+ uint64_t pe,
+ uint64_t addr, unsigned count,
+ uint32_t incr, uint32_t flags);
+ /* pad the indirect buffer to the necessary number of dw */
+ void (*pad_ib)(struct amdgpu_ib *ib);
+};
+
+/* provided by the gmc block */
+struct amdgpu_gart_funcs {
+ /* flush the vm tlb via mmio */
+ void (*flush_gpu_tlb)(struct amdgpu_device *adev,
+ uint32_t vmid);
+ /* write pte/pde updates using the cpu */
+ int (*set_pte_pde)(struct amdgpu_device *adev,
+ void *cpu_pt_addr, /* cpu addr of page table */
+ uint32_t gpu_page_idx, /* pte/pde to update */
+ uint64_t addr, /* addr to write into pte/pde */
+ uint32_t flags); /* access flags */
+};
+
+/* provided by the ih block */
+struct amdgpu_ih_funcs {
+ /* ring read/write ptr handling, called from interrupt context */
+ u32 (*get_wptr)(struct amdgpu_device *adev);
+ void (*decode_iv)(struct amdgpu_device *adev,
+ struct amdgpu_iv_entry *entry);
+ void (*set_rptr)(struct amdgpu_device *adev);
+};
+
+/* provided by hw blocks that expose a ring buffer for commands */
+struct amdgpu_ring_funcs {
+ /* ring read/write ptr handling */
+ u32 (*get_rptr)(struct amdgpu_ring *ring);
+ u32 (*get_wptr)(struct amdgpu_ring *ring);
+ void (*set_wptr)(struct amdgpu_ring *ring);
+ /* validating and patching of IBs */
+ int (*parse_cs)(struct amdgpu_cs_parser *p, uint32_t ib_idx);
+ /* command emit functions */
+ void (*emit_ib)(struct amdgpu_ring *ring,
+ struct amdgpu_ib *ib);
+ void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr,
+ uint64_t seq, bool write64bit);
+ bool (*emit_semaphore)(struct amdgpu_ring *ring,
+ struct amdgpu_semaphore *semaphore,
+ bool emit_wait);
+ void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vm_id,
+ uint64_t pd_addr);
+ void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid,
+ uint32_t gds_base, uint32_t gds_size,
+ uint32_t gws_base, uint32_t gws_size,
+ uint32_t oa_base, uint32_t oa_size);
+ /* testing functions */
+ int (*test_ring)(struct amdgpu_ring *ring);
+ int (*test_ib)(struct amdgpu_ring *ring);
+ bool (*is_lockup)(struct amdgpu_ring *ring);
+};
+
+/*
+ * BIOS.
+ */
+bool amdgpu_get_bios(struct amdgpu_device *adev);
+bool amdgpu_read_bios(struct amdgpu_device *adev);
+
+/*
+ * Dummy page
+ */
+struct amdgpu_dummy_page {
+ struct page *page;
+ dma_addr_t addr;
+};
+int amdgpu_dummy_page_init(struct amdgpu_device *adev);
+void amdgpu_dummy_page_fini(struct amdgpu_device *adev);
+
+
+/*
+ * Clocks
+ */
+
+#define AMDGPU_MAX_PPLL 3
+
+struct amdgpu_clock {
+ struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
+ struct amdgpu_pll spll;
+ struct amdgpu_pll mpll;
+ /* 10 Khz units */
+ uint32_t default_mclk;
+ uint32_t default_sclk;
+ uint32_t default_dispclk;
+ uint32_t current_dispclk;
+ uint32_t dp_extclk;
+ uint32_t max_pixel_clock;
+};
+
+/*
+ * Fences.
+ */
+struct amdgpu_fence_driver {
+ struct amdgpu_ring *ring;
+ uint64_t gpu_addr;
+ volatile uint32_t *cpu_addr;
+ /* sync_seq is protected by ring emission lock */
+ uint64_t sync_seq[AMDGPU_MAX_RINGS];
+ atomic64_t last_seq;
+ bool initialized;
+ bool delayed_irq;
+ struct amdgpu_irq_src *irq_src;
+ unsigned irq_type;
+ struct delayed_work lockup_work;
+};
+
+/* some special values for the owner field */
+#define AMDGPU_FENCE_OWNER_UNDEFINED ((void*)0ul)
+#define AMDGPU_FENCE_OWNER_VM ((void*)1ul)
+#define AMDGPU_FENCE_OWNER_MOVE ((void*)2ul)
+
+struct amdgpu_fence {
+ struct fence base;
+
+ /* RB, DMA, etc. */
+ struct amdgpu_ring *ring;
+ uint64_t seq;
+
+ /* filp or special value for fence creator */
+ void *owner;
+
+ wait_queue_t fence_wake;
+};
+
+struct amdgpu_user_fence {
+ /* write-back bo */
+ struct amdgpu_bo *bo;
+ /* write-back address offset to bo start */
+ uint32_t offset;
+};
+
+int amdgpu_fence_driver_init(struct amdgpu_device *adev);
+void amdgpu_fence_driver_fini(struct amdgpu_device *adev);
+void amdgpu_fence_driver_force_completion(struct amdgpu_device *adev);
+
+void amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring);
+int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring,
+ struct amdgpu_irq_src *irq_src,
+ unsigned irq_type);
+int amdgpu_fence_emit(struct amdgpu_ring *ring, void *owner,
+ struct amdgpu_fence **fence);
+void amdgpu_fence_process(struct amdgpu_ring *ring);
+int amdgpu_fence_wait_next(struct amdgpu_ring *ring);
+int amdgpu_fence_wait_empty(struct amdgpu_ring *ring);
+unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring);
+
+bool amdgpu_fence_signaled(struct amdgpu_fence *fence);
+int amdgpu_fence_wait(struct amdgpu_fence *fence, bool interruptible);
+int amdgpu_fence_wait_any(struct amdgpu_device *adev,
+ struct amdgpu_fence **fences,
+ bool intr);
+long amdgpu_fence_wait_seq_timeout(struct amdgpu_device *adev,
+ u64 *target_seq, bool intr,
+ long timeout);
+struct amdgpu_fence *amdgpu_fence_ref(struct amdgpu_fence *fence);
+void amdgpu_fence_unref(struct amdgpu_fence **fence);
+
+bool amdgpu_fence_need_sync(struct amdgpu_fence *fence,
+ struct amdgpu_ring *ring);
+void amdgpu_fence_note_sync(struct amdgpu_fence *fence,
+ struct amdgpu_ring *ring);
+
+static inline struct amdgpu_fence *amdgpu_fence_later(struct amdgpu_fence *a,
+ struct amdgpu_fence *b)
+{
+ if (!a) {
+ return b;
+ }
+
+ if (!b) {
+ return a;
+ }
+
+ BUG_ON(a->ring != b->ring);
+
+ if (a->seq > b->seq) {
+ return a;
+ } else {
+ return b;
+ }
+}
+
+static inline bool amdgpu_fence_is_earlier(struct amdgpu_fence *a,
+ struct amdgpu_fence *b)
+{
+ if (!a) {
+ return false;
+ }
+
+ if (!b) {
+ return true;
+ }
+
+ BUG_ON(a->ring != b->ring);
+
+ return a->seq < b->seq;
+}
+
+int amdgpu_user_fence_emit(struct amdgpu_ring *ring, struct amdgpu_user_fence *user,
+ void *owner, struct amdgpu_fence **fence);
+
+/*
+ * TTM.
+ */
+struct amdgpu_mman {
+ struct ttm_bo_global_ref bo_global_ref;
+ struct drm_global_reference mem_global_ref;
+ struct ttm_bo_device bdev;
+ bool mem_global_referenced;
+ bool initialized;
+
+#if defined(CONFIG_DEBUG_FS)
+ struct dentry *vram;
+ struct dentry *gtt;
+#endif
+
+ /* buffer handling */
+ const struct amdgpu_buffer_funcs *buffer_funcs;
+ struct amdgpu_ring *buffer_funcs_ring;
+};
+
+int amdgpu_copy_buffer(struct amdgpu_ring *ring,
+ uint64_t src_offset,
+ uint64_t dst_offset,
+ uint32_t byte_count,
+ struct reservation_object *resv,
+ struct amdgpu_fence **fence);
+int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);
+
+struct amdgpu_bo_list_entry {
+ struct amdgpu_bo *robj;
+ struct ttm_validate_buffer tv;
+ struct amdgpu_bo_va *bo_va;
+ unsigned prefered_domains;
+ unsigned allowed_domains;
+ uint32_t priority;
+};
+
+struct amdgpu_bo_va_mapping {
+ struct list_head list;
+ struct interval_tree_node it;
+ uint64_t offset;
+ uint32_t flags;
+};
+
+/* bo virtual addresses in a specific vm */
+struct amdgpu_bo_va {
+ /* protected by bo being reserved */
+ struct list_head bo_list;
+ uint64_t addr;
+ struct amdgpu_fence *last_pt_update;
+ unsigned ref_count;
+
+ /* protected by vm mutex */
+ struct list_head mappings;
+ struct list_head vm_status;
+
+ /* constant after initialization */
+ struct amdgpu_vm *vm;
+ struct amdgpu_bo *bo;
+};
+
+struct amdgpu_bo {
+ /* Protected by gem.mutex */
+ struct list_head list;
+ /* Protected by tbo.reserved */
+ u32 initial_domain;
+ struct ttm_place placements[4];
+ struct ttm_placement placement;
+ struct ttm_buffer_object tbo;
+ struct ttm_bo_kmap_obj kmap;
+ u64 flags;
+ unsigned pin_count;
+ void *kptr;
+ u64 tiling_flags;
+ u64 metadata_flags;
+ void *metadata;
+ u32 metadata_size;
+ /* list of all virtual address to which this bo
+ * is associated to
+ */
+ struct list_head va;
+ /* Constant after initialization */
+ struct amdgpu_device *adev;
+ struct drm_gem_object gem_base;
+
+ struct ttm_bo_kmap_obj dma_buf_vmap;
+ pid_t pid;
+ struct amdgpu_mn *mn;
+ struct list_head mn_list;
+};
+#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
+
+void amdgpu_gem_object_free(struct drm_gem_object *obj);
+int amdgpu_gem_object_open(struct drm_gem_object *obj,
+ struct drm_file *file_priv);
+void amdgpu_gem_object_close(struct drm_gem_object *obj,
+ struct drm_file *file_priv);
+unsigned long amdgpu_gem_timeout(uint64_t timeout_ns);
+struct sg_table *amdgpu_gem_prime_get_sg_table(struct drm_gem_object *obj);
+struct drm_gem_object *amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
+ struct dma_buf_attachment *attach,
+ struct sg_table *sg);
+struct dma_buf *amdgpu_gem_prime_export(struct drm_device *dev,
+ struct drm_gem_object *gobj,
+ int flags);
+int amdgpu_gem_prime_pin(struct drm_gem_object *obj);
+void amdgpu_gem_prime_unpin(struct drm_gem_object *obj);
+struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *);
+void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj);
+void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
+int amdgpu_gem_debugfs_init(struct amdgpu_device *adev);
+
+/* sub-allocation manager, it has to be protected by another lock.
+ * By conception this is an helper for other part of the driver
+ * like the indirect buffer or semaphore, which both have their
+ * locking.
+ *
+ * Principe is simple, we keep a list of sub allocation in offset
+ * order (first entry has offset == 0, last entry has the highest
+ * offset).
+ *
+ * When allocating new object we first check if there is room at
+ * the end total_size - (last_object_offset + last_object_size) >=
+ * alloc_size. If so we allocate new object there.
+ *
+ * When there is not enough room at the end, we start waiting for
+ * each sub object until we reach object_offset+object_size >=
+ * alloc_size, this object then become the sub object we return.
+ *
+ * Alignment can't be bigger than page size.
+ *
+ * Hole are not considered for allocation to keep things simple.
+ * Assumption is that there won't be hole (all object on same
+ * alignment).
+ */
+struct amdgpu_sa_manager {
+ wait_queue_head_t wq;
+ struct amdgpu_bo *bo;
+ struct list_head *hole;
+ struct list_head flist[AMDGPU_MAX_RINGS];
+ struct list_head olist;
+ unsigned size;
+ uint64_t gpu_addr;
+ void *cpu_ptr;
+ uint32_t domain;
+ uint32_t align;
+};
+
+struct amdgpu_sa_bo;
+
+/* sub-allocation buffer */
+struct amdgpu_sa_bo {
+ struct list_head olist;
+ struct list_head flist;
+ struct amdgpu_sa_manager *manager;
+ unsigned soffset;
+ unsigned eoffset;
+ struct amdgpu_fence *fence;
+};
+
+/*
+ * GEM objects.
+ */
+struct amdgpu_gem {
+ struct mutex mutex;
+ struct list_head objects;
+};
+
+int amdgpu_gem_init(struct amdgpu_device *adev);
+void amdgpu_gem_fini(struct amdgpu_device *adev);
+int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
+ int alignment, u32 initial_domain,
+ u64 flags, bool kernel,
+ struct drm_gem_object **obj);
+
+int amdgpu_mode_dumb_create(struct drm_file *file_priv,
+ struct drm_device *dev,
+ struct drm_mode_create_dumb *args);
+int amdgpu_mode_dumb_mmap(struct drm_file *filp,
+ struct drm_device *dev,
+ uint32_t handle, uint64_t *offset_p);
+
+/*
+ * Semaphores.
+ */
+struct amdgpu_semaphore {
+ struct amdgpu_sa_bo *sa_bo;
+ signed waiters;
+ uint64_t gpu_addr;
+};
+
+int amdgpu_semaphore_create(struct amdgpu_device *adev,
+ struct amdgpu_semaphore **semaphore);
+bool amdgpu_semaphore_emit_signal(struct amdgpu_ring *ring,
+ struct amdgpu_semaphore *semaphore);
+bool amdgpu_semaphore_emit_wait(struct amdgpu_ring *ring,
+ struct amdgpu_semaphore *semaphore);
+void amdgpu_semaphore_free(struct amdgpu_device *adev,
+ struct amdgpu_semaphore **semaphore,
+ struct amdgpu_fence *fence);
+
+/*
+ * Synchronization
+ */
+struct amdgpu_sync {
+ struct amdgpu_semaphore *semaphores[AMDGPU_NUM_SYNCS];
+ struct amdgpu_fence *sync_to[AMDGPU_MAX_RINGS];
+ struct amdgpu_fence *last_vm_update;
+};
+
+void amdgpu_sync_create(struct amdgpu_sync *sync);
+void amdgpu_sync_fence(struct amdgpu_sync *sync,
+ struct amdgpu_fence *fence);
+int amdgpu_sync_resv(struct amdgpu_device *adev,
+ struct amdgpu_sync *sync,
+ struct reservation_object *resv,
+ void *owner);
+int amdgpu_sync_rings(struct amdgpu_sync *sync,
+ struct amdgpu_ring *ring);
+void amdgpu_sync_free(struct amdgpu_device *adev, struct amdgpu_sync *sync,
+ struct amdgpu_fence *fence);
+
+/*
+ * GART structures, functions & helpers
+ */
+struct amdgpu_mc;
+
+#define AMDGPU_GPU_PAGE_SIZE 4096
+#define AMDGPU_GPU_PAGE_MASK (AMDGPU_GPU_PAGE_SIZE - 1)
+#define AMDGPU_GPU_PAGE_SHIFT 12
+#define AMDGPU_GPU_PAGE_ALIGN(a) (((a) + AMDGPU_GPU_PAGE_MASK) & ~AMDGPU_GPU_PAGE_MASK)
+
+struct amdgpu_gart {
+ dma_addr_t table_addr;
+ struct amdgpu_bo *robj;
+ void *ptr;
+ unsigned num_gpu_pages;
+ unsigned num_cpu_pages;
+ unsigned table_size;
+ struct page **pages;
+ dma_addr_t *pages_addr;
+ bool ready;
+ const struct amdgpu_gart_funcs *gart_funcs;
+};
+
+int amdgpu_gart_table_ram_alloc(struct amdgpu_device *adev);
+void amdgpu_gart_table_ram_free(struct amdgpu_device *adev);
+int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev);
+void amdgpu_gart_table_vram_free(struct amdgpu_device *adev);
+int amdgpu_gart_table_vram_pin(struct amdgpu_device *adev);
+void amdgpu_gart_table_vram_unpin(struct amdgpu_device *adev);
+int amdgpu_gart_init(struct amdgpu_device *adev);
+void amdgpu_gart_fini(struct amdgpu_device *adev);
+void amdgpu_gart_unbind(struct amdgpu_device *adev, unsigned offset,
+ int pages);
+int amdgpu_gart_bind(struct amdgpu_device *adev, unsigned offset,
+ int pages, struct page **pagelist,
+ dma_addr_t *dma_addr, uint32_t flags);
+
+/*
+ * GPU MC structures, functions & helpers
+ */
+struct amdgpu_mc {
+ resource_size_t aper_size;
+ resource_size_t aper_base;
+ resource_size_t agp_base;
+ /* for some chips with <= 32MB we need to lie
+ * about vram size near mc fb location */
+ u64 mc_vram_size;
+ u64 visible_vram_size;
+ u64 gtt_size;
+ u64 gtt_start;
+ u64 gtt_end;
+ u64 vram_start;
+ u64 vram_end;
+ unsigned vram_width;
+ u64 real_vram_size;
+ int vram_mtrr;
+ u64 gtt_base_align;
+ u64 mc_mask;
+ const struct firmware *fw; /* MC firmware */
+ uint32_t fw_version;
+ struct amdgpu_irq_src vm_fault;
+ bool is_gddr5;
+};
+
+/*
+ * GPU doorbell structures, functions & helpers
+ */
+typedef enum _AMDGPU_DOORBELL_ASSIGNMENT
+{
+ AMDGPU_DOORBELL_KIQ = 0x000,
+ AMDGPU_DOORBELL_HIQ = 0x001,
+ AMDGPU_DOORBELL_DIQ = 0x002,
+ AMDGPU_DOORBELL_MEC_RING0 = 0x010,
+ AMDGPU_DOORBELL_MEC_RING1 = 0x011,
+ AMDGPU_DOORBELL_MEC_RING2 = 0x012,
+ AMDGPU_DOORBELL_MEC_RING3 = 0x013,
+ AMDGPU_DOORBELL_MEC_RING4 = 0x014,
+ AMDGPU_DOORBELL_MEC_RING5 = 0x015,
+ AMDGPU_DOORBELL_MEC_RING6 = 0x016,
+ AMDGPU_DOORBELL_MEC_RING7 = 0x017,
+ AMDGPU_DOORBELL_GFX_RING0 = 0x020,
+ AMDGPU_DOORBELL_sDMA_ENGINE0 = 0x1E0,
+ AMDGPU_DOORBELL_sDMA_ENGINE1 = 0x1E1,
+ AMDGPU_DOORBELL_IH = 0x1E8,
+ AMDGPU_DOORBELL_MAX_ASSIGNMENT = 0x3FF,
+ AMDGPU_DOORBELL_INVALID = 0xFFFF
+} AMDGPU_DOORBELL_ASSIGNMENT;
+
+struct amdgpu_doorbell {
+ /* doorbell mmio */
+ resource_size_t base;
+ resource_size_t size;
+ u32 __iomem *ptr;
+ u32 num_doorbells; /* Number of doorbells actually reserved for amdgpu. */
+};
+
+void amdgpu_doorbell_get_kfd_info(struct amdgpu_device *adev,
+ phys_addr_t *aperture_base,
+ size_t *aperture_size,
+ size_t *start_offset);
+
+/*
+ * IRQS.
+ */
+
+struct amdgpu_flip_work {
+ struct work_struct flip_work;
+ struct work_struct unpin_work;
+ struct amdgpu_device *adev;
+ int crtc_id;
+ uint64_t base;
+ struct drm_pending_vblank_event *event;
+ struct amdgpu_bo *old_rbo;
+ struct fence *fence;
+};
+
+
+/*
+ * CP & rings.
+ */
+
+struct amdgpu_ib {
+ struct amdgpu_sa_bo *sa_bo;
+ uint32_t length_dw;
+ uint64_t gpu_addr;
+ uint32_t *ptr;
+ struct amdgpu_ring *ring;
+ struct amdgpu_fence *fence;
+ struct amdgpu_user_fence *user;
+ struct amdgpu_vm *vm;
+ bool is_const_ib;
+ bool flush_hdp_writefifo;
+ struct amdgpu_sync sync;
+ bool gds_needed;
+ uint32_t gds_base, gds_size;
+ uint32_t gws_base, gws_size;
+ uint32_t oa_base, oa_size;
+};
+
+enum amdgpu_ring_type {
+ AMDGPU_RING_TYPE_GFX,
+ AMDGPU_RING_TYPE_COMPUTE,
+ AMDGPU_RING_TYPE_SDMA,
+ AMDGPU_RING_TYPE_UVD,
+ AMDGPU_RING_TYPE_VCE
+};
+
+struct amdgpu_ring {
+ struct amdgpu_device *adev;
+ const struct amdgpu_ring_funcs *funcs;
+ struct amdgpu_fence_driver fence_drv;
+
+ struct mutex *ring_lock;
+ struct amdgpu_bo *ring_obj;
+ volatile uint32_t *ring;
+ unsigned rptr_offs;
+ u64 next_rptr_gpu_addr;
+ volatile u32 *next_rptr_cpu_addr;
+ unsigned wptr;
+ unsigned wptr_old;
+ unsigned ring_size;
+ unsigned ring_free_dw;
+ int count_dw;
+ atomic_t last_rptr;
+ atomic64_t last_activity;
+ uint64_t gpu_addr;
+ uint32_t align_mask;
+ uint32_t ptr_mask;
+ bool ready;
+ u32 nop;
+ u32 idx;
+ u64 last_semaphore_signal_addr;
+ u64 last_semaphore_wait_addr;
+ u32 me;
+ u32 pipe;
+ u32 queue;
+ struct amdgpu_bo *mqd_obj;
+ u32 doorbell_index;
+ bool use_doorbell;
+ unsigned wptr_offs;
+ unsigned next_rptr_offs;
+ unsigned fence_offs;
+ struct drm_file *current_filp;
+ bool need_ctx_switch;
+ enum amdgpu_ring_type type;
+ char name[16];
+};
+
+/*
+ * VM
+ */
+
+/* maximum number of VMIDs */
+#define AMDGPU_NUM_VM 16
+
+/* number of entries in page table */
+#define AMDGPU_VM_PTE_COUNT (1 << amdgpu_vm_block_size)
+
+/* PTBs (Page Table Blocks) need to be aligned to 32K */
+#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
+#define AMDGPU_VM_PTB_ALIGN_MASK (AMDGPU_VM_PTB_ALIGN_SIZE - 1)
+#define AMDGPU_VM_PTB_ALIGN(a) (((a) + AMDGPU_VM_PTB_ALIGN_MASK) & ~AMDGPU_VM_PTB_ALIGN_MASK)
+
+#define AMDGPU_PTE_VALID (1 << 0)
+#define AMDGPU_PTE_SYSTEM (1 << 1)
+#define AMDGPU_PTE_SNOOPED (1 << 2)
+
+/* VI only */
+#define AMDGPU_PTE_EXECUTABLE (1 << 4)
+
+#define AMDGPU_PTE_READABLE (1 << 5)
+#define AMDGPU_PTE_WRITEABLE (1 << 6)
+
+/* PTE (Page Table Entry) fragment field for different page sizes */
+#define AMDGPU_PTE_FRAG_4KB (0 << 7)
+#define AMDGPU_PTE_FRAG_64KB (4 << 7)
+#define AMDGPU_LOG2_PAGES_PER_FRAG 4
+
+struct amdgpu_vm_pt {
+ struct amdgpu_bo *bo;
+ uint64_t addr;
+};
+
+struct amdgpu_vm_id {
+ unsigned id;
+ uint64_t pd_gpu_addr;
+ /* last flushed PD/PT update */
+ struct amdgpu_fence *flushed_updates;
+ /* last use of vmid */
+ struct amdgpu_fence *last_id_use;
+};
+
+struct amdgpu_vm {
+ struct mutex mutex;
+
+ struct rb_root va;
+
+ /* protecting invalidated and freed */
+ spinlock_t status_lock;
+
+ /* BOs moved, but not yet updated in the PT */
+ struct list_head invalidated;
+
+ /* BOs freed, but not yet updated in the PT */
+ struct list_head freed;
+
+ /* contains the page directory */
+ struct amdgpu_bo *page_directory;
+ unsigned max_pde_used;
+
+ /* array of page tables, one for each page directory entry */
+ struct amdgpu_vm_pt *page_tables;
+
+ /* for id and flush management per ring */
+ struct amdgpu_vm_id ids[AMDGPU_MAX_RINGS];
+};
+
+struct amdgpu_vm_manager {
+ struct amdgpu_fence *active[AMDGPU_NUM_VM];
+ uint32_t max_pfn;
+ /* number of VMIDs */
+ unsigned nvm;
+ /* vram base address for page table entry */
+ u64 vram_base_offset;
+ /* is vm enabled? */
+ bool enabled;
+ /* for hw to save the PD addr on suspend/resume */
+ uint32_t saved_table_addr[AMDGPU_NUM_VM];
+ /* vm pte handling */
+ const struct amdgpu_vm_pte_funcs *vm_pte_funcs;
+ struct amdgpu_ring *vm_pte_funcs_ring;
+};
+
+/*
+ * context related structures
+ */
+
+struct amdgpu_ctx_state {
+ uint64_t flags;
+ uint64_t hangs;
+};
+
+struct amdgpu_ctx {
+ /* call kref_get()before CS start and kref_put() after CS fence signaled */
+ struct kref refcount;
+ struct amdgpu_fpriv *fpriv;
+ struct amdgpu_ctx_state state;
+ uint32_t id;
+};
+
+struct amdgpu_ctx_mgr {
+ struct amdgpu_device *adev;
+ struct idr ctx_handles;
+ /* lock for IDR system */
+ struct mutex hlock;
+};
+
+/*
+ * file private structure
+ */
+
+struct amdgpu_fpriv {
+ struct amdgpu_vm vm;
+ struct mutex bo_list_lock;
+ struct idr bo_list_handles;
+ struct amdgpu_ctx_mgr ctx_mgr;
+};
+
+/*
+ * residency list
+ */
+
+struct amdgpu_bo_list {
+ struct mutex lock;
+ struct amdgpu_bo *gds_obj;
+ struct amdgpu_bo *gws_obj;
+ struct amdgpu_bo *oa_obj;
+ bool has_userptr;
+ unsigned num_entries;
+ struct amdgpu_bo_list_entry *array;
+};
+
+struct amdgpu_bo_list *
+amdgpu_bo_list_get(struct amdgpu_fpriv *fpriv, int id);
+void amdgpu_bo_list_put(struct amdgpu_bo_list *list);
+void amdgpu_bo_list_free(struct amdgpu_bo_list *list);
+
+/*
+ * GFX stuff
+ */
+#include "clearstate_defs.h"
+
+struct amdgpu_rlc {
+ /* for power gating */
+ struct amdgpu_bo *save_restore_obj;
+ uint64_t save_restore_gpu_addr;
+ volatile uint32_t *sr_ptr;
+ const u32 *reg_list;
+ u32 reg_list_size;
+ /* for clear state */
+ struct amdgpu_bo *clear_state_obj;
+ uint64_t clear_state_gpu_addr;
+ volatile uint32_t *cs_ptr;
+ const struct cs_section_def *cs_data;
+ u32 clear_state_size;
+ /* for cp tables */
+ struct amdgpu_bo *cp_table_obj;
+ uint64_t cp_table_gpu_addr;
+ volatile uint32_t *cp_table_ptr;
+ u32 cp_table_size;
+};
+
+struct amdgpu_mec {
+ struct amdgpu_bo *hpd_eop_obj;
+ u64 hpd_eop_gpu_addr;
+ u32 num_pipe;
+ u32 num_mec;
+ u32 num_queue;
+};
+
+/*
+ * GPU scratch registers structures, functions & helpers
+ */
+struct amdgpu_scratch {
+ unsigned num_reg;
+ uint32_t reg_base;
+ bool free[32];
+ uint32_t reg[32];
+};
+
+/*
+ * GFX configurations
+ */
+struct amdgpu_gca_config {
+ unsigned max_shader_engines;
+ unsigned max_tile_pipes;
+ unsigned max_cu_per_sh;
+ unsigned max_sh_per_se;
+ unsigned max_backends_per_se;
+ unsigned max_texture_channel_caches;
+ unsigned max_gprs;
+ unsigned max_gs_threads;
+ unsigned max_hw_contexts;
+ unsigned sc_prim_fifo_size_frontend;
+ unsigned sc_prim_fifo_size_backend;
+ unsigned sc_hiz_tile_fifo_size;
+ unsigned sc_earlyz_tile_fifo_size;
+
+ unsigned num_tile_pipes;
+ unsigned backend_enable_mask;
+ unsigned mem_max_burst_length_bytes;
+ unsigned mem_row_size_in_kb;
+ unsigned shader_engine_tile_size;
+ unsigned num_gpus;
+ unsigned multi_gpu_tile_size;
+ unsigned mc_arb_ramcfg;
+ unsigned gb_addr_config;
+
+ uint32_t tile_mode_array[32];
+ uint32_t macrotile_mode_array[16];
+};
+
+struct amdgpu_gfx {
+ struct mutex gpu_clock_mutex;
+ struct amdgpu_gca_config config;
+ struct amdgpu_rlc rlc;
+ struct amdgpu_mec mec;
+ struct amdgpu_scratch scratch;
+ const struct firmware *me_fw; /* ME firmware */
+ uint32_t me_fw_version;
+ const struct firmware *pfp_fw; /* PFP firmware */
+ uint32_t pfp_fw_version;
+ const struct firmware *ce_fw; /* CE firmware */
+ uint32_t ce_fw_version;
+ const struct firmware *rlc_fw; /* RLC firmware */
+ uint32_t rlc_fw_version;
+ const struct firmware *mec_fw; /* MEC firmware */
+ uint32_t mec_fw_version;
+ const struct firmware *mec2_fw; /* MEC2 firmware */
+ uint32_t mec2_fw_version;
+ struct amdgpu_ring gfx_ring[AMDGPU_MAX_GFX_RINGS];
+ unsigned num_gfx_rings;
+ struct amdgpu_ring compute_ring[AMDGPU_MAX_COMPUTE_RINGS];
+ unsigned num_compute_rings;
+ struct amdgpu_irq_src eop_irq;
+ struct amdgpu_irq_src priv_reg_irq;
+ struct amdgpu_irq_src priv_inst_irq;
+ /* gfx status */
+ uint32_t gfx_current_status;
+ /* sync signal for const engine */
+ unsigned ce_sync_offs;
+};
+
+int amdgpu_ib_get(struct amdgpu_ring *ring, struct amdgpu_vm *vm,
+ unsigned size, struct amdgpu_ib *ib);
+void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib);
+int amdgpu_ib_schedule(struct amdgpu_device *adev, unsigned num_ibs,
+ struct amdgpu_ib *ib, void *owner);
+int amdgpu_ib_pool_init(struct amdgpu_device *adev);
+void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
+int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
+/* Ring access between begin & end cannot sleep */
+void amdgpu_ring_free_size(struct amdgpu_ring *ring);
+int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw);
+int amdgpu_ring_lock(struct amdgpu_ring *ring, unsigned ndw);
+void amdgpu_ring_commit(struct amdgpu_ring *ring);
+void amdgpu_ring_unlock_commit(struct amdgpu_ring *ring);
+void amdgpu_ring_undo(struct amdgpu_ring *ring);
+void amdgpu_ring_unlock_undo(struct amdgpu_ring *ring);
+void amdgpu_ring_lockup_update(struct amdgpu_ring *ring);
+bool amdgpu_ring_test_lockup(struct amdgpu_ring *ring);
+unsigned amdgpu_ring_backup(struct amdgpu_ring *ring,
+ uint32_t **data);
+int amdgpu_ring_restore(struct amdgpu_ring *ring,
+ unsigned size, uint32_t *data);
+int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
+ unsigned ring_size, u32 nop, u32 align_mask,
+ struct amdgpu_irq_src *irq_src, unsigned irq_type,
+ enum amdgpu_ring_type ring_type);
+void amdgpu_ring_fini(struct amdgpu_ring *ring);
+
+/*
+ * CS.
+ */
+struct amdgpu_cs_chunk {
+ uint32_t chunk_id;
+ uint32_t length_dw;
+ uint32_t *kdata;
+ void __user *user_ptr;
+};
+
+struct amdgpu_cs_parser {
+ struct amdgpu_device *adev;
+ struct drm_file *filp;
+ uint32_t ctx_id;
+ struct amdgpu_bo_list *bo_list;
+ /* chunks */
+ unsigned nchunks;
+ struct amdgpu_cs_chunk *chunks;
+ /* relocations */
+ struct amdgpu_bo_list_entry *vm_bos;
+ struct amdgpu_bo_list_entry *ib_bos;
+ struct list_head validated;
+
+ struct amdgpu_ib *ibs;
+ uint32_t num_ibs;
+
+ struct ww_acquire_ctx ticket;
+
+ /* user fence */
+ struct amdgpu_user_fence uf;
+};
+
+static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p, uint32_t ib_idx, int idx)
+{
+ return p->ibs[ib_idx].ptr[idx];
+}
+
+/*
+ * Writeback
+ */
+#define AMDGPU_MAX_WB 1024 /* Reserve at most 1024 WB slots for amdgpu-owned rings. */
+
+struct amdgpu_wb {
+ struct amdgpu_bo *wb_obj;
+ volatile uint32_t *wb;
+ uint64_t gpu_addr;
+ u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
+ unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
+};
+
+int amdgpu_wb_get(struct amdgpu_device *adev, u32 *wb);
+void amdgpu_wb_free(struct amdgpu_device *adev, u32 wb);
+
+/**
+ * struct amdgpu_pm - power management datas
+ * It keeps track of various data needed to take powermanagement decision.
+ */
+
+enum amdgpu_pm_state_type {
+ /* not used for dpm */
+ POWER_STATE_TYPE_DEFAULT,
+ POWER_STATE_TYPE_POWERSAVE,
+ /* user selectable states */
+ POWER_STATE_TYPE_BATTERY,
+ POWER_STATE_TYPE_BALANCED,
+ POWER_STATE_TYPE_PERFORMANCE,
+ /* internal states */
+ POWER_STATE_TYPE_INTERNAL_UVD,
+ POWER_STATE_TYPE_INTERNAL_UVD_SD,
+ POWER_STATE_TYPE_INTERNAL_UVD_HD,
+ POWER_STATE_TYPE_INTERNAL_UVD_HD2,
+ POWER_STATE_TYPE_INTERNAL_UVD_MVC,
+ POWER_STATE_TYPE_INTERNAL_BOOT,
+ POWER_STATE_TYPE_INTERNAL_THERMAL,
+ POWER_STATE_TYPE_INTERNAL_ACPI,
+ POWER_STATE_TYPE_INTERNAL_ULV,
+ POWER_STATE_TYPE_INTERNAL_3DPERF,
+};
+
+enum amdgpu_int_thermal_type {
+ THERMAL_TYPE_NONE,
+ THERMAL_TYPE_EXTERNAL,
+ THERMAL_TYPE_EXTERNAL_GPIO,
+ THERMAL_TYPE_RV6XX,
+ THERMAL_TYPE_RV770,
+ THERMAL_TYPE_ADT7473_WITH_INTERNAL,
+ THERMAL_TYPE_EVERGREEN,
+ THERMAL_TYPE_SUMO,
+ THERMAL_TYPE_NI,
+ THERMAL_TYPE_SI,
+ THERMAL_TYPE_EMC2103_WITH_INTERNAL,
+ THERMAL_TYPE_CI,
+ THERMAL_TYPE_KV,
+};
+
+enum amdgpu_dpm_auto_throttle_src {
+ AMDGPU_DPM_AUTO_THROTTLE_SRC_THERMAL,
+ AMDGPU_DPM_AUTO_THROTTLE_SRC_EXTERNAL
+};
+
+enum amdgpu_dpm_event_src {
+ AMDGPU_DPM_EVENT_SRC_ANALOG = 0,
+ AMDGPU_DPM_EVENT_SRC_EXTERNAL = 1,
+ AMDGPU_DPM_EVENT_SRC_DIGITAL = 2,
+ AMDGPU_DPM_EVENT_SRC_ANALOG_OR_EXTERNAL = 3,
+ AMDGPU_DPM_EVENT_SRC_DIGIAL_OR_EXTERNAL = 4
+};
+
+#define AMDGPU_MAX_VCE_LEVELS 6
+
+enum amdgpu_vce_level {
+ AMDGPU_VCE_LEVEL_AC_ALL = 0, /* AC, All cases */
+ AMDGPU_VCE_LEVEL_DC_EE = 1, /* DC, entropy encoding */
+ AMDGPU_VCE_LEVEL_DC_LL_LOW = 2, /* DC, low latency queue, res <= 720 */
+ AMDGPU_VCE_LEVEL_DC_LL_HIGH = 3, /* DC, low latency queue, 1080 >= res > 720 */
+ AMDGPU_VCE_LEVEL_DC_GP_LOW = 4, /* DC, general purpose queue, res <= 720 */
+ AMDGPU_VCE_LEVEL_DC_GP_HIGH = 5, /* DC, general purpose queue, 1080 >= res > 720 */
+};
+
+struct amdgpu_ps {
+ u32 caps; /* vbios flags */
+ u32 class; /* vbios flags */
+ u32 class2; /* vbios flags */
+ /* UVD clocks */
+ u32 vclk;
+ u32 dclk;
+ /* VCE clocks */
+ u32 evclk;
+ u32 ecclk;
+ bool vce_active;
+ enum amdgpu_vce_level vce_level;
+ /* asic priv */
+ void *ps_priv;
+};
+
+struct amdgpu_dpm_thermal {
+ /* thermal interrupt work */
+ struct work_struct work;
+ /* low temperature threshold */
+ int min_temp;
+ /* high temperature threshold */
+ int max_temp;
+ /* was last interrupt low to high or high to low */
+ bool high_to_low;
+ /* interrupt source */
+ struct amdgpu_irq_src irq;
+};
+
+enum amdgpu_clk_action
+{
+ AMDGPU_SCLK_UP = 1,
+ AMDGPU_SCLK_DOWN
+};
+
+struct amdgpu_blacklist_clocks
+{
+ u32 sclk;
+ u32 mclk;
+ enum amdgpu_clk_action action;
+};
+
+struct amdgpu_clock_and_voltage_limits {
+ u32 sclk;
+ u32 mclk;
+ u16 vddc;
+ u16 vddci;
+};
+
+struct amdgpu_clock_array {
+ u32 count;
+ u32 *values;
+};
+
+struct amdgpu_clock_voltage_dependency_entry {
+ u32 clk;
+ u16 v;
+};
+
+struct amdgpu_clock_voltage_dependency_table {
+ u32 count;
+ struct amdgpu_clock_voltage_dependency_entry *entries;
+};
+
+union amdgpu_cac_leakage_entry {
+ struct {
+ u16 vddc;
+ u32 leakage;
+ };
+ struct {
+ u16 vddc1;
+ u16 vddc2;
+ u16 vddc3;
+ };
+};
+
+struct amdgpu_cac_leakage_table {
+ u32 count;
+ union amdgpu_cac_leakage_entry *entries;
+};
+
+struct amdgpu_phase_shedding_limits_entry {
+ u16 voltage;
+ u32 sclk;
+ u32 mclk;
+};
+
+struct amdgpu_phase_shedding_limits_table {
+ u32 count;
+ struct amdgpu_phase_shedding_limits_entry *entries;
+};
+
+struct amdgpu_uvd_clock_voltage_dependency_entry {
+ u32 vclk;
+ u32 dclk;
+ u16 v;
+};
+
+struct amdgpu_uvd_clock_voltage_dependency_table {
+ u8 count;
+ struct amdgpu_uvd_clock_voltage_dependency_entry *entries;
+};
+
+struct amdgpu_vce_clock_voltage_dependency_entry {
+ u32 ecclk;
+ u32 evclk;
+ u16 v;
+};
+
+struct amdgpu_vce_clock_voltage_dependency_table {
+ u8 count;
+ struct amdgpu_vce_clock_voltage_dependency_entry *entries;
+};
+
+struct amdgpu_ppm_table {
+ u8 ppm_design;
+ u16 cpu_core_number;
+ u32 platform_tdp;
+ u32 small_ac_platform_tdp;
+ u32 platform_tdc;
+ u32 small_ac_platform_tdc;
+ u32 apu_tdp;
+ u32 dgpu_tdp;
+ u32 dgpu_ulv_power;
+ u32 tj_max;
+};
+
+struct amdgpu_cac_tdp_table {
+ u16 tdp;
+ u16 configurable_tdp;
+ u16 tdc;
+ u16 battery_power_limit;
+ u16 small_power_limit;
+ u16 low_cac_leakage;
+ u16 high_cac_leakage;
+ u16 maximum_power_delivery_limit;
+};
+
+struct amdgpu_dpm_dynamic_state {
+ struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_sclk;
+ struct amdgpu_clock_voltage_dependency_table vddci_dependency_on_mclk;
+ struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_mclk;
+ struct amdgpu_clock_voltage_dependency_table mvdd_dependency_on_mclk;
+ struct amdgpu_clock_voltage_dependency_table vddc_dependency_on_dispclk;
+ struct amdgpu_uvd_clock_voltage_dependency_table uvd_clock_voltage_dependency_table;
+ struct amdgpu_vce_clock_voltage_dependency_table vce_clock_voltage_dependency_table;
+ struct amdgpu_clock_voltage_dependency_table samu_clock_voltage_dependency_table;
+ struct amdgpu_clock_voltage_dependency_table acp_clock_voltage_dependency_table;
+ struct amdgpu_clock_voltage_dependency_table vddgfx_dependency_on_sclk;
+ struct amdgpu_clock_array valid_sclk_values;
+ struct amdgpu_clock_array valid_mclk_values;
+ struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_dc;
+ struct amdgpu_clock_and_voltage_limits max_clock_voltage_on_ac;
+ u32 mclk_sclk_ratio;
+ u32 sclk_mclk_delta;
+ u16 vddc_vddci_delta;
+ u16 min_vddc_for_pcie_gen2;
+ struct amdgpu_cac_leakage_table cac_leakage_table;
+ struct amdgpu_phase_shedding_limits_table phase_shedding_limits_table;
+ struct amdgpu_ppm_table *ppm_table;
+ struct amdgpu_cac_tdp_table *cac_tdp_table;
+};
+
+struct amdgpu_dpm_fan {
+ u16 t_min;
+ u16 t_med;
+ u16 t_high;
+ u16 pwm_min;
+ u16 pwm_med;
+ u16 pwm_high;
+ u8 t_hyst;
+ u32 cycle_delay;
+ u16 t_max;
+ u8 control_mode;
+ u16 default_max_fan_pwm;
+ u16 default_fan_output_sensitivity;
+ u16 fan_output_sensitivity;
+ bool ucode_fan_control;
+};
+
+enum amdgpu_pcie_gen {
+ AMDGPU_PCIE_GEN1 = 0,
+ AMDGPU_PCIE_GEN2 = 1,
+ AMDGPU_PCIE_GEN3 = 2,
+ AMDGPU_PCIE_GEN_INVALID = 0xffff
+};
+
+enum amdgpu_dpm_forced_level {
+ AMDGPU_DPM_FORCED_LEVEL_AUTO = 0,
+ AMDGPU_DPM_FORCED_LEVEL_LOW = 1,
+ AMDGPU_DPM_FORCED_LEVEL_HIGH = 2,
+};
+
+struct amdgpu_vce_state {
+ /* vce clocks */
+ u32 evclk;
+ u32 ecclk;
+ /* gpu clocks */
+ u32 sclk;
+ u32 mclk;
+ u8 clk_idx;
+ u8 pstate;
+};
+
+struct amdgpu_dpm_funcs {
+ int (*get_temperature)(struct amdgpu_device *adev);
+ int (*pre_set_power_state)(struct amdgpu_device *adev);
+ int (*set_power_state)(struct amdgpu_device *adev);
+ void (*post_set_power_state)(struct amdgpu_device *adev);
+ void (*display_configuration_changed)(struct amdgpu_device *adev);
+ u32 (*get_sclk)(struct amdgpu_device *adev, bool low);
+ u32 (*get_mclk)(struct amdgpu_device *adev, bool low);
+ void (*print_power_state)(struct amdgpu_device *adev, struct amdgpu_ps *ps);
+ void (*debugfs_print_current_performance_level)(struct amdgpu_device *adev, struct seq_file *m);
+ int (*force_performance_level)(struct amdgpu_device *adev, enum amdgpu_dpm_forced_level level);
+ bool (*vblank_too_short)(struct amdgpu_device *adev);
+ void (*powergate_uvd)(struct amdgpu_device *adev, bool gate);
+ void (*enable_bapm)(struct amdgpu_device *adev, bool enable);
+ void (*set_fan_control_mode)(struct amdgpu_device *adev, u32 mode);
+ u32 (*get_fan_control_mode)(struct amdgpu_device *adev);
+ int (*set_fan_speed_percent)(struct amdgpu_device *adev, u32 speed);
+ int (*get_fan_speed_percent)(struct amdgpu_device *adev, u32 *speed);
+};
+
+struct amdgpu_dpm {
+ struct amdgpu_ps *ps;
+ /* number of valid power states */
+ int num_ps;
+ /* current power state that is active */
+ struct amdgpu_ps *current_ps;
+ /* requested power state */
+ struct amdgpu_ps *requested_ps;
+ /* boot up power state */
+ struct amdgpu_ps *boot_ps;
+ /* default uvd power state */
+ struct amdgpu_ps *uvd_ps;
+ /* vce requirements */
+ struct amdgpu_vce_state vce_states[AMDGPU_MAX_VCE_LEVELS];
+ enum amdgpu_vce_level vce_level;
+ enum amdgpu_pm_state_type state;
+ enum amdgpu_pm_state_type user_state;
+ u32 platform_caps;
+ u32 voltage_response_time;
+ u32 backbias_response_time;
+ void *priv;
+ u32 new_active_crtcs;
+ int new_active_crtc_count;
+ u32 current_active_crtcs;
+ int current_active_crtc_count;
+ struct amdgpu_dpm_dynamic_state dyn_state;
+ struct amdgpu_dpm_fan fan;
+ u32 tdp_limit;
+ u32 near_tdp_limit;
+ u32 near_tdp_limit_adjusted;
+ u32 sq_ramping_threshold;
+ u32 cac_leakage;
+ u16 tdp_od_limit;
+ u32 tdp_adjustment;
+ u16 load_line_slope;
+ bool power_control;
+ bool ac_power;
+ /* special states active */
+ bool thermal_active;
+ bool uvd_active;
+ bool vce_active;
+ /* thermal handling */
+ struct amdgpu_dpm_thermal thermal;
+ /* forced levels */
+ enum amdgpu_dpm_forced_level forced_level;
+};
+
+struct amdgpu_pm {
+ struct mutex mutex;
+ /* write locked while reprogramming mclk */
+ struct rw_semaphore mclk_lock;
+ u32 current_sclk;
+ u32 current_mclk;
+ u32 default_sclk;
+ u32 default_mclk;
+ struct amdgpu_i2c_chan *i2c_bus;
+ /* internal thermal controller on rv6xx+ */
+ enum amdgpu_int_thermal_type int_thermal_type;
+ struct device *int_hwmon_dev;
+ /* fan control parameters */
+ bool no_fan;
+ u8 fan_pulses_per_revolution;
+ u8 fan_min_rpm;
+ u8 fan_max_rpm;
+ /* dpm */
+ bool dpm_enabled;
+ struct amdgpu_dpm dpm;
+ const struct firmware *fw; /* SMC firmware */
+ uint32_t fw_version;
+ const struct amdgpu_dpm_funcs *funcs;
+};
+
+/*
+ * UVD
+ */
+#define AMDGPU_MAX_UVD_HANDLES 10
+#define AMDGPU_UVD_STACK_SIZE (1024*1024)
+#define AMDGPU_UVD_HEAP_SIZE (1024*1024)
+#define AMDGPU_UVD_FIRMWARE_OFFSET 256
+
+struct amdgpu_uvd {
+ struct amdgpu_bo *vcpu_bo;
+ void *cpu_addr;
+ uint64_t gpu_addr;
+ void *saved_bo;
+ atomic_t handles[AMDGPU_MAX_UVD_HANDLES];
+ struct drm_file *filp[AMDGPU_MAX_UVD_HANDLES];
+ struct delayed_work idle_work;
+ const struct firmware *fw; /* UVD firmware */
+ struct amdgpu_ring ring;
+ struct amdgpu_irq_src irq;
+ bool address_64_bit;
+};
+
+/*
+ * VCE
+ */
+#define AMDGPU_MAX_VCE_HANDLES 16
+#define AMDGPU_VCE_STACK_SIZE (1024*1024)
+#define AMDGPU_VCE_HEAP_SIZE (4*1024*1024)
+#define AMDGPU_VCE_FIRMWARE_OFFSET 256
+
+struct amdgpu_vce {
+ struct amdgpu_bo *vcpu_bo;
+ uint64_t gpu_addr;
+ unsigned fw_version;
+ unsigned fb_version;
+ atomic_t handles[AMDGPU_MAX_VCE_HANDLES];
+ struct drm_file *filp[AMDGPU_MAX_VCE_HANDLES];
+ struct delayed_work idle_work;
+ const struct firmware *fw; /* VCE firmware */
+ struct amdgpu_ring ring[AMDGPU_MAX_VCE_RINGS];
+ struct amdgpu_irq_src irq;
+};
+
+/*
+ * SDMA
+ */
+struct amdgpu_sdma {
+ /* SDMA firmware */
+ const struct firmware *fw;
+ uint32_t fw_version;
+
+ struct amdgpu_ring ring;
+};
+
+/*
+ * Firmware
+ */
+struct amdgpu_firmware {
+ struct amdgpu_firmware_info ucode[AMDGPU_UCODE_ID_MAXIMUM];
+ bool smu_load;
+ struct amdgpu_bo *fw_buf;
+ unsigned int fw_size;
+};
+
+/*
+ * Benchmarking
+ */
+void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
+
+
+/*
+ * Testing
+ */
+void amdgpu_test_moves(struct amdgpu_device *adev);
+void amdgpu_test_ring_sync(struct amdgpu_device *adev,
+ struct amdgpu_ring *cpA,
+ struct amdgpu_ring *cpB);
+void amdgpu_test_syncing(struct amdgpu_device *adev);
+
+/*
+ * MMU Notifier
+ */
+#if defined(CONFIG_MMU_NOTIFIER)
+int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr);
+void amdgpu_mn_unregister(struct amdgpu_bo *bo);
+#else
+static int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
+{
+ return -ENODEV;
+}
+static void amdgpu_mn_unregister(struct amdgpu_bo *bo) {}
+#endif
+
+/*
+ * Debugfs
+ */
+struct amdgpu_debugfs {
+ struct drm_info_list *files;
+ unsigned num_files;
+};
+
+int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
+ struct drm_info_list *files,
+ unsigned nfiles);
+int amdgpu_debugfs_fence_init(struct amdgpu_device *adev);
+
+#if defined(CONFIG_DEBUG_FS)
+int amdgpu_debugfs_init(struct drm_minor *minor);
+void amdgpu_debugfs_cleanup(struct drm_minor *minor);
+#endif
+
+/*
+ * amdgpu smumgr functions
+ */
+struct amdgpu_smumgr_funcs {
+ int (*check_fw_load_finish)(struct amdgpu_device *adev, uint32_t fwtype);
+ int (*request_smu_load_fw)(struct amdgpu_device *adev);
+ int (*request_smu_specific_fw)(struct amdgpu_device *adev, uint32_t fwtype);
+};
+
+/*
+ * amdgpu smumgr
+ */
+struct amdgpu_smumgr {
+ struct amdgpu_bo *toc_buf;
+ struct amdgpu_bo *smu_buf;
+ /* asic priv smu data */
+ void *priv;
+ spinlock_t smu_lock;
+ /* smumgr functions */
+ const struct amdgpu_smumgr_funcs *smumgr_funcs;
+ /* ucode loading complete flag */
+ uint32_t fw_flags;
+};
+
+/*
+ * ASIC specific register table accessible by UMD
+ */
+struct amdgpu_allowed_register_entry {
+ uint32_t reg_offset;
+ bool untouched;
+ bool grbm_indexed;
+};
+
+struct amdgpu_cu_info {
+ uint32_t number; /* total active CU number */
+ uint32_t ao_cu_mask;
+ uint32_t bitmap[4][4];
+};
+
+
+/*
+ * ASIC specific functions.
+ */
+struct amdgpu_asic_funcs {
+ bool (*read_disabled_bios)(struct amdgpu_device *adev);
+ int (*read_register)(struct amdgpu_device *adev, u32 se_num,
+ u32 sh_num, u32 reg_offset, u32 *value);
+ void (*set_vga_state)(struct amdgpu_device *adev, bool state);
+ int (*reset)(struct amdgpu_device *adev);
+ /* wait for mc_idle */
+ int (*wait_for_mc_idle)(struct amdgpu_device *adev);
+ /* get the reference clock */
+ u32 (*get_xclk)(struct amdgpu_device *adev);
+ /* get the gpu clock counter */
+ uint64_t (*get_gpu_clock_counter)(struct amdgpu_device *adev);
+ int (*get_cu_info)(struct amdgpu_device *adev, struct amdgpu_cu_info *info);
+ /* MM block clocks */
+ int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
+ int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
+};
+
+/*
+ * IOCTL.
+ */
+int amdgpu_gem_create_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+
+int amdgpu_gem_info_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_gem_userptr_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_gem_mmap_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_gem_va_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
+int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
+
+int amdgpu_gem_metadata_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+
+/* VRAM scratch page for HDP bug, default vram page */
+struct amdgpu_vram_scratch {
+ struct amdgpu_bo *robj;
+ volatile uint32_t *ptr;
+ u64 gpu_addr;
+};
+
+/*
+ * ACPI
+ */
+struct amdgpu_atif_notification_cfg {
+ bool enabled;
+ int command_code;
+};
+
+struct amdgpu_atif_notifications {
+ bool display_switch;
+ bool expansion_mode_change;
+ bool thermal_state;
+ bool forced_power_state;
+ bool system_power_state;
+ bool display_conf_change;
+ bool px_gfx_switch;
+ bool brightness_change;
+ bool dgpu_display_event;
+};
+
+struct amdgpu_atif_functions {
+ bool system_params;
+ bool sbios_requests;
+ bool select_active_disp;
+ bool lid_state;
+ bool get_tv_standard;
+ bool set_tv_standard;
+ bool get_panel_expansion_mode;
+ bool set_panel_expansion_mode;
+ bool temperature_change;
+ bool graphics_device_types;
+};
+
+struct amdgpu_atif {
+ struct amdgpu_atif_notifications notifications;
+ struct amdgpu_atif_functions functions;
+ struct amdgpu_atif_notification_cfg notification_cfg;
+ struct amdgpu_encoder *encoder_for_bl;
+};
+
+struct amdgpu_atcs_functions {
+ bool get_ext_state;
+ bool pcie_perf_req;
+ bool pcie_dev_rdy;
+ bool pcie_bus_width;
+};
+
+struct amdgpu_atcs {
+ struct amdgpu_atcs_functions functions;
+};
+
+int amdgpu_ctx_alloc(struct amdgpu_device *adev,struct amdgpu_fpriv *fpriv,
+ uint32_t *id,uint32_t flags);
+int amdgpu_ctx_free(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
+ uint32_t id);
+int amdgpu_ctx_query(struct amdgpu_device *adev, struct amdgpu_fpriv *fpriv,
+ uint32_t id,struct amdgpu_ctx_state *state);
+
+void amdgpu_ctx_fini(struct amdgpu_fpriv *fpriv);
+
+extern int amdgpu_ctx_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *filp);
+
+/*
+ * Core structure, functions and helpers.
+ */
+typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
+typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
+
+typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
+typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
+
+struct amdgpu_device {
+ struct device *dev;
+ struct drm_device *ddev;
+ struct pci_dev *pdev;
+ struct rw_semaphore exclusive_lock;
+
+ /* ASIC */
+ enum amdgpu_asic_type asic_type;
+ uint32_t family;
+ uint32_t rev_id;
+ uint32_t external_rev_id;
+ unsigned long flags;
+ int usec_timeout;
+ const struct amdgpu_asic_funcs *asic_funcs;
+ bool shutdown;
+ bool suspend;
+ bool need_dma32;
+ bool accel_working;
+ bool needs_reset;
+ struct work_struct reset_work;
+ struct notifier_block acpi_nb;
+ struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
+ struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
+ unsigned debugfs_count;
+#if defined(CONFIG_DEBUG_FS)
+ struct dentry *debugfs_regs;
+#endif
+ struct amdgpu_atif atif;
+ struct amdgpu_atcs atcs;
+ struct mutex srbm_mutex;
+ /* GRBM index mutex. Protects concurrent access to GRBM index */
+ struct mutex grbm_idx_mutex;
+ struct dev_pm_domain vga_pm_domain;
+ bool have_disp_power_ref;
+
+ /* BIOS */
+ uint8_t *bios;
+ bool is_atom_bios;
+ uint16_t bios_header_start;
+ struct amdgpu_bo *stollen_vga_memory;
+ uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
+
+ /* Register/doorbell mmio */
+ resource_size_t rmmio_base;
+ resource_size_t rmmio_size;
+ void __iomem *rmmio;
+ /* protects concurrent MM_INDEX/DATA based register access */
+ spinlock_t mmio_idx_lock;
+ /* protects concurrent SMC based register access */
+ spinlock_t smc_idx_lock;
+ amdgpu_rreg_t smc_rreg;
+ amdgpu_wreg_t smc_wreg;
+ /* protects concurrent PCIE register access */
+ spinlock_t pcie_idx_lock;
+ amdgpu_rreg_t pcie_rreg;
+ amdgpu_wreg_t pcie_wreg;
+ /* protects concurrent UVD register access */
+ spinlock_t uvd_ctx_idx_lock;
+ amdgpu_rreg_t uvd_ctx_rreg;
+ amdgpu_wreg_t uvd_ctx_wreg;
+ /* protects concurrent DIDT register access */
+ spinlock_t didt_idx_lock;
+ amdgpu_rreg_t didt_rreg;
+ amdgpu_wreg_t didt_wreg;
+ /* protects concurrent ENDPOINT (audio) register access */
+ spinlock_t audio_endpt_idx_lock;
+ amdgpu_block_rreg_t audio_endpt_rreg;
+ amdgpu_block_wreg_t audio_endpt_wreg;
+ void __iomem *rio_mem;
+ resource_size_t rio_mem_size;
+ struct amdgpu_doorbell doorbell;
+
+ /* clock/pll info */
+ struct amdgpu_clock clock;
+
+ /* MC */
+ struct amdgpu_mc mc;
+ struct amdgpu_gart gart;
+ struct amdgpu_dummy_page dummy_page;
+ struct amdgpu_vm_manager vm_manager;
+
+ /* memory management */
+ struct amdgpu_mman mman;
+ struct amdgpu_gem gem;
+ struct amdgpu_vram_scratch vram_scratch;
+ struct amdgpu_wb wb;
+ atomic64_t vram_usage;
+ atomic64_t vram_vis_usage;
+ atomic64_t gtt_usage;
+ atomic64_t num_bytes_moved;
+
+ /* display */
+ struct amdgpu_mode_info mode_info;
+ struct work_struct hotplug_work;
+ struct amdgpu_irq_src crtc_irq;
+ struct amdgpu_irq_src pageflip_irq;
+ struct amdgpu_irq_src hpd_irq;
+
+ /* rings */
+ wait_queue_head_t fence_queue;
+ unsigned fence_context;
+ struct mutex ring_lock;
+ unsigned num_rings;
+ struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
+ bool ib_pool_ready;
+ struct amdgpu_sa_manager ring_tmp_bo;
+
+ /* interrupts */
+ struct amdgpu_irq irq;
+
+ /* dpm */
+ struct amdgpu_pm pm;
+ u32 cg_flags;
+ u32 pg_flags;
+
+ /* amdgpu smumgr */
+ struct amdgpu_smumgr smu;
+
+ /* gfx */
+ struct amdgpu_gfx gfx;
+
+ /* sdma */
+ struct amdgpu_sdma sdma[2];
+ struct amdgpu_irq_src sdma_trap_irq;
+ struct amdgpu_irq_src sdma_illegal_inst_irq;
+
+ /* uvd */
+ bool has_uvd;
+ struct amdgpu_uvd uvd;
+
+ /* vce */
+ struct amdgpu_vce vce;
+
+ /* firmwares */
+ struct amdgpu_firmware firmware;
+
+ /* GDS */
+ struct amdgpu_gds gds;
+
+ const struct amdgpu_ip_block_version *ip_blocks;
+ int num_ip_blocks;
+ bool *ip_block_enabled;
+ struct mutex mn_lock;
+ DECLARE_HASHTABLE(mn_hash, 7);
+
+ /* tracking pinned memory */
+ u64 vram_pin_size;
+ u64 gart_pin_size;
+};
+
+bool amdgpu_device_is_px(struct drm_device *dev);
+int amdgpu_device_init(struct amdgpu_device *adev,
+ struct drm_device *ddev,
+ struct pci_dev *pdev,
+ uint32_t flags);
+void amdgpu_device_fini(struct amdgpu_device *adev);
+int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
+
+uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
+ bool always_indirect);
+void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
+ bool always_indirect);
+u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
+void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
+
+u32 amdgpu_mm_rdoorbell(struct amdgpu_device *adev, u32 index);
+void amdgpu_mm_wdoorbell(struct amdgpu_device *adev, u32 index, u32 v);
+
+/*
+ * Cast helper
+ */
+extern const struct fence_ops amdgpu_fence_ops;
+static inline struct amdgpu_fence *to_amdgpu_fence(struct fence *f)
+{
+ struct amdgpu_fence *__f = container_of(f, struct amdgpu_fence, base);
+
+ if (__f->base.ops == &amdgpu_fence_ops)
+ return __f;
+
+ return NULL;
+}
+
+/*
+ * Registers read & write functions.
+ */
+#define RREG32(reg) amdgpu_mm_rreg(adev, (reg), false)
+#define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), true)
+#define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), false))
+#define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), false)
+#define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), true)
+#define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
+#define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
+#define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
+#define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
+#define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
+#define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
+#define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
+#define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
+#define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
+#define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
+#define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
+#define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
+#define WREG32_P(reg, val, mask) \
+ do { \
+ uint32_t tmp_ = RREG32(reg); \
+ tmp_ &= (mask); \
+ tmp_ |= ((val) & ~(mask)); \
+ WREG32(reg, tmp_); \
+ } while (0)
+#define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
+#define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
+#define WREG32_PLL_P(reg, val, mask) \
+ do { \
+ uint32_t tmp_ = RREG32_PLL(reg); \
+ tmp_ &= (mask); \
+ tmp_ |= ((val) & ~(mask)); \
+ WREG32_PLL(reg, tmp_); \
+ } while (0)
+#define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
+#define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
+#define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
+
+#define RDOORBELL32(index) amdgpu_mm_rdoorbell(adev, (index))
+#define WDOORBELL32(index, v) amdgpu_mm_wdoorbell(adev, (index), (v))
+
+#define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
+#define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
+
+#define REG_SET_FIELD(orig_val, reg, field, field_val) \
+ (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
+ (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
+
+#define REG_GET_FIELD(value, reg, field) \
+ (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
+
+/*
+ * BIOS helpers.
+ */
+#define RBIOS8(i) (adev->bios[i])
+#define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
+#define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
+
+/*
+ * RING helpers.
+ */
+static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v)
+{
+ if (ring->count_dw <= 0)
+ DRM_ERROR("radeon: writing more dwords to the ring than expected!\n");
+ ring->ring[ring->wptr++] = v;
+ ring->wptr &= ring->ptr_mask;
+ ring->count_dw--;
+ ring->ring_free_dw--;
+}
+
+/*
+ * ASICs macro.
+ */
+#define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
+#define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
+#define amdgpu_asic_wait_for_mc_idle(adev) (adev)->asic_funcs->wait_for_mc_idle((adev))
+#define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
+#define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
+#define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
+#define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
+#define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
+#define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
+#define amdgpu_asic_get_cu_info(adev, info) (adev)->asic_funcs->get_cu_info((adev), (info))
+#define amdgpu_gart_flush_gpu_tlb(adev, vmid) (adev)->gart.gart_funcs->flush_gpu_tlb((adev), (vmid))
+#define amdgpu_gart_set_pte_pde(adev, pt, idx, addr, flags) (adev)->gart.gart_funcs->set_pte_pde((adev), (pt), (idx), (addr), (flags))
+#define amdgpu_vm_copy_pte(adev, ib, pe, src, count) ((adev)->vm_manager.vm_pte_funcs->copy_pte((ib), (pe), (src), (count)))
+#define amdgpu_vm_write_pte(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->write_pte((ib), (pe), (addr), (count), (incr), (flags)))
+#define amdgpu_vm_set_pte_pde(adev, ib, pe, addr, count, incr, flags) ((adev)->vm_manager.vm_pte_funcs->set_pte_pde((ib), (pe), (addr), (count), (incr), (flags)))
+#define amdgpu_vm_pad_ib(adev, ib) ((adev)->vm_manager.vm_pte_funcs->pad_ib((ib)))
+#define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib)))
+#define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r))
+#define amdgpu_ring_test_ib(r) (r)->funcs->test_ib((r))
+#define amdgpu_ring_is_lockup(r) (r)->funcs->is_lockup((r))
+#define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r))
+#define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r))
+#define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r))
+#define amdgpu_ring_emit_ib(r, ib) (r)->funcs->emit_ib((r), (ib))
+#define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr))
+#define amdgpu_ring_emit_fence(r, addr, seq, write64bit) (r)->funcs->emit_fence((r), (addr), (seq), (write64bit))
+#define amdgpu_ring_emit_semaphore(r, semaphore, emit_wait) (r)->funcs->emit_semaphore((r), (semaphore), (emit_wait))
+#define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as))
+#define amdgpu_ih_get_wptr(adev) (adev)->irq.ih_funcs->get_wptr((adev))
+#define amdgpu_ih_decode_iv(adev, iv) (adev)->irq.ih_funcs->decode_iv((adev), (iv))
+#define amdgpu_ih_set_rptr(adev) (adev)->irq.ih_funcs->set_rptr((adev))
+#define amdgpu_display_set_vga_render_state(adev, r) (adev)->mode_info.funcs->set_vga_render_state((adev), (r))
+#define amdgpu_display_vblank_get_counter(adev, crtc) (adev)->mode_info.funcs->vblank_get_counter((adev), (crtc))
+#define amdgpu_display_vblank_wait(adev, crtc) (adev)->mode_info.funcs->vblank_wait((adev), (crtc))
+#define amdgpu_display_is_display_hung(adev) (adev)->mode_info.funcs->is_display_hung((adev))
+#define amdgpu_display_backlight_set_level(adev, e, l) (adev)->mode_info.funcs->backlight_set_level((e), (l))
+#define amdgpu_display_backlight_get_level(adev, e) (adev)->mode_info.funcs->backlight_get_level((e))
+#define amdgpu_display_hpd_sense(adev, h) (adev)->mode_info.funcs->hpd_sense((adev), (h))
+#define amdgpu_display_hpd_set_polarity(adev, h) (adev)->mode_info.funcs->hpd_set_polarity((adev), (h))
+#define amdgpu_display_hpd_get_gpio_reg(adev) (adev)->mode_info.funcs->hpd_get_gpio_reg((adev))
+#define amdgpu_display_bandwidth_update(adev) (adev)->mode_info.funcs->bandwidth_update((adev))
+#define amdgpu_display_page_flip(adev, crtc, base) (adev)->mode_info.funcs->page_flip((adev), (crtc), (base))
+#define amdgpu_display_page_flip_get_scanoutpos(adev, crtc, vbl, pos) (adev)->mode_info.funcs->page_flip_get_scanoutpos((adev), (crtc), (vbl), (pos))
+#define amdgpu_display_add_encoder(adev, e, s, c) (adev)->mode_info.funcs->add_encoder((adev), (e), (s), (c))
+#define amdgpu_display_add_connector(adev, ci, sd, ct, ib, coi, h, r) (adev)->mode_info.funcs->add_connector((adev), (ci), (sd), (ct), (ib), (coi), (h), (r))
+#define amdgpu_display_stop_mc_access(adev, s) (adev)->mode_info.funcs->stop_mc_access((adev), (s))
+#define amdgpu_display_resume_mc_access(adev, s) (adev)->mode_info.funcs->resume_mc_access((adev), (s))
+#define amdgpu_emit_copy_buffer(adev, r, s, d, b) (adev)->mman.buffer_funcs->emit_copy_buffer((r), (s), (d), (b))
+#define amdgpu_emit_fill_buffer(adev, r, s, d, b) (adev)->mman.buffer_funcs->emit_fill_buffer((r), (s), (d), (b))
+#define amdgpu_dpm_get_temperature(adev) (adev)->pm.funcs->get_temperature((adev))
+#define amdgpu_dpm_pre_set_power_state(adev) (adev)->pm.funcs->pre_set_power_state((adev))
+#define amdgpu_dpm_set_power_state(adev) (adev)->pm.funcs->set_power_state((adev))
+#define amdgpu_dpm_post_set_power_state(adev) (adev)->pm.funcs->post_set_power_state((adev))
+#define amdgpu_dpm_display_configuration_changed(adev) (adev)->pm.funcs->display_configuration_changed((adev))
+#define amdgpu_dpm_get_sclk(adev, l) (adev)->pm.funcs->get_sclk((adev), (l))
+#define amdgpu_dpm_get_mclk(adev, l) (adev)->pm.funcs->get_mclk((adev), (l))
+#define amdgpu_dpm_print_power_state(adev, ps) (adev)->pm.funcs->print_power_state((adev), (ps))
+#define amdgpu_dpm_debugfs_print_current_performance_level(adev, m) (adev)->pm.funcs->debugfs_print_current_performance_level((adev), (m))
+#define amdgpu_dpm_force_performance_level(adev, l) (adev)->pm.funcs->force_performance_level((adev), (l))
+#define amdgpu_dpm_vblank_too_short(adev) (adev)->pm.funcs->vblank_too_short((adev))
+#define amdgpu_dpm_powergate_uvd(adev, g) (adev)->pm.funcs->powergate_uvd((adev), (g))
+#define amdgpu_dpm_enable_bapm(adev, e) (adev)->pm.funcs->enable_bapm((adev), (e))
+#define amdgpu_dpm_set_fan_control_mode(adev, m) (adev)->pm.funcs->set_fan_control_mode((adev), (m))
+#define amdgpu_dpm_get_fan_control_mode(adev) (adev)->pm.funcs->get_fan_control_mode((adev))
+#define amdgpu_dpm_set_fan_speed_percent(adev, s) (adev)->pm.funcs->set_fan_speed_percent((adev), (s))
+#define amdgpu_dpm_get_fan_speed_percent(adev, s) (adev)->pm.funcs->get_fan_speed_percent((adev), (s))
+
+#define amdgpu_gds_switch(adev, r, v, d, w, a) (adev)->gds.funcs->patch_gds_switch((r), (v), (d), (w), (a))
+
+/* Common functions */
+int amdgpu_gpu_reset(struct amdgpu_device *adev);
+void amdgpu_pci_config_reset(struct amdgpu_device *adev);
+bool amdgpu_card_posted(struct amdgpu_device *adev);
+void amdgpu_update_display_priority(struct amdgpu_device *adev);
+bool amdgpu_boot_test_post_card(struct amdgpu_device *adev);
+int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data);
+int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
+ u32 ip_instance, u32 ring,
+ struct amdgpu_ring **out_ring);
+void amdgpu_ttm_placement_from_domain(struct amdgpu_bo *rbo, u32 domain);
+bool amdgpu_ttm_bo_is_amdgpu_bo(struct ttm_buffer_object *bo);
+int amdgpu_ttm_tt_set_userptr(struct ttm_tt *ttm, uint64_t addr,
+ uint32_t flags);
+bool amdgpu_ttm_tt_has_userptr(struct ttm_tt *ttm);
+bool amdgpu_ttm_tt_is_readonly(struct ttm_tt *ttm);
+uint32_t amdgpu_ttm_tt_pte_flags(struct amdgpu_device *adev, struct ttm_tt *ttm,
+ struct ttm_mem_reg *mem);
+void amdgpu_vram_location(struct amdgpu_device *adev, struct amdgpu_mc *mc, u64 base);
+void amdgpu_gtt_location(struct amdgpu_device *adev, struct amdgpu_mc *mc);
+void amdgpu_ttm_set_active_vram_size(struct amdgpu_device *adev, u64 size);
+void amdgpu_program_register_sequence(struct amdgpu_device *adev,
+ const u32 *registers,
+ const u32 array_size);
+
+bool amdgpu_device_is_px(struct drm_device *dev);
+/* atpx handler */
+#if defined(CONFIG_VGA_SWITCHEROO)
+void amdgpu_register_atpx_handler(void);
+void amdgpu_unregister_atpx_handler(void);
+#else
+static inline void amdgpu_register_atpx_handler(void) {}
+static inline void amdgpu_unregister_atpx_handler(void) {}
+#endif
+
+/*
+ * KMS
+ */
+extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
+extern int amdgpu_max_kms_ioctl;
+
+int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
+int amdgpu_driver_unload_kms(struct drm_device *dev);
+void amdgpu_driver_lastclose_kms(struct drm_device *dev);
+int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
+void amdgpu_driver_postclose_kms(struct drm_device *dev,
+ struct drm_file *file_priv);
+void amdgpu_driver_preclose_kms(struct drm_device *dev,
+ struct drm_file *file_priv);
+int amdgpu_suspend_kms(struct drm_device *dev, bool suspend, bool fbcon);
+int amdgpu_resume_kms(struct drm_device *dev, bool resume, bool fbcon);
+u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, int crtc);
+int amdgpu_enable_vblank_kms(struct drm_device *dev, int crtc);
+void amdgpu_disable_vblank_kms(struct drm_device *dev, int crtc);
+int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
+ int *max_error,
+ struct timeval *vblank_time,
+ unsigned flags);
+long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
+ unsigned long arg);
+
+/*
+ * vm
+ */
+int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm);
+struct amdgpu_bo_list_entry *amdgpu_vm_get_bos(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct list_head *head);
+struct amdgpu_fence *amdgpu_vm_grab_id(struct amdgpu_ring *ring,
+ struct amdgpu_vm *vm);
+void amdgpu_vm_flush(struct amdgpu_ring *ring,
+ struct amdgpu_vm *vm,
+ struct amdgpu_fence *updates);
+void amdgpu_vm_fence(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct amdgpu_fence *fence);
+uint64_t amdgpu_vm_map_gart(struct amdgpu_device *adev, uint64_t addr);
+int amdgpu_vm_update_page_directory(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_clear_freed(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_clear_invalids(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm);
+int amdgpu_vm_bo_update(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ struct ttm_mem_reg *mem);
+void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev,
+ struct amdgpu_bo *bo);
+struct amdgpu_bo_va *amdgpu_vm_bo_find(struct amdgpu_vm *vm,
+ struct amdgpu_bo *bo);
+struct amdgpu_bo_va *amdgpu_vm_bo_add(struct amdgpu_device *adev,
+ struct amdgpu_vm *vm,
+ struct amdgpu_bo *bo);
+int amdgpu_vm_bo_map(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ uint64_t addr, uint64_t offset,
+ uint64_t size, uint32_t flags);
+int amdgpu_vm_bo_unmap(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va,
+ uint64_t addr);
+void amdgpu_vm_bo_rmv(struct amdgpu_device *adev,
+ struct amdgpu_bo_va *bo_va);
+
+/*
+ * functions used by amdgpu_encoder.c
+ */
+struct amdgpu_afmt_acr {
+ u32 clock;
+
+ int n_32khz;
+ int cts_32khz;
+
+ int n_44_1khz;
+ int cts_44_1khz;
+
+ int n_48khz;
+ int cts_48khz;
+
+};
+
+struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
+
+/* amdgpu_acpi.c */
+#if defined(CONFIG_ACPI)
+int amdgpu_acpi_init(struct amdgpu_device *adev);
+void amdgpu_acpi_fini(struct amdgpu_device *adev);
+bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
+int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
+ u8 perf_req, bool advertise);
+int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
+#else
+static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
+static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
+#endif
+
+struct amdgpu_bo_va_mapping *
+amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
+ uint64_t addr, struct amdgpu_bo **bo);
+
+#include "amdgpu_object.h"
+
+#endif
--
1.8.3.1
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