diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h | 175 |
1 files changed, 175 insertions, 0 deletions
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 000000000..513ac2212 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sdma.h @@ -0,0 +1,175 @@ +/* + * 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__ +#include "amdgpu_ras.h" + +/* max number of IP instances */ +#define AMDGPU_MAX_SDMA_INSTANCES 16 + +enum amdgpu_sdma_irq { + AMDGPU_SDMA_IRQ_INSTANCE0 = 0, + AMDGPU_SDMA_IRQ_INSTANCE1, + AMDGPU_SDMA_IRQ_INSTANCE2, + AMDGPU_SDMA_IRQ_INSTANCE3, + AMDGPU_SDMA_IRQ_INSTANCE4, + AMDGPU_SDMA_IRQ_INSTANCE5, + AMDGPU_SDMA_IRQ_INSTANCE6, + AMDGPU_SDMA_IRQ_INSTANCE7, + AMDGPU_SDMA_IRQ_INSTANCE8, + AMDGPU_SDMA_IRQ_INSTANCE9, + AMDGPU_SDMA_IRQ_INSTANCE10, + AMDGPU_SDMA_IRQ_INSTANCE11, + AMDGPU_SDMA_IRQ_INSTANCE12, + AMDGPU_SDMA_IRQ_INSTANCE13, + AMDGPU_SDMA_IRQ_INSTANCE14, + AMDGPU_SDMA_IRQ_INSTANCE15, + AMDGPU_SDMA_IRQ_LAST +}; + +#define NUM_SDMA(x) hweight32(x) + +struct amdgpu_sdma_instance { + /* SDMA firmware */ + const struct firmware *fw; + uint32_t fw_version; + uint32_t feature_version; + + struct amdgpu_ring ring; + struct amdgpu_ring page; + bool burst_nop; + uint32_t aid_id; +}; + +enum amdgpu_sdma_ras_memory_id { + AMDGPU_SDMA_MBANK_DATA_BUF0 = 1, + AMDGPU_SDMA_MBANK_DATA_BUF1 = 2, + AMDGPU_SDMA_MBANK_DATA_BUF2 = 3, + AMDGPU_SDMA_MBANK_DATA_BUF3 = 4, + AMDGPU_SDMA_MBANK_DATA_BUF4 = 5, + AMDGPU_SDMA_MBANK_DATA_BUF5 = 6, + AMDGPU_SDMA_MBANK_DATA_BUF6 = 7, + AMDGPU_SDMA_MBANK_DATA_BUF7 = 8, + AMDGPU_SDMA_MBANK_DATA_BUF8 = 9, + AMDGPU_SDMA_MBANK_DATA_BUF9 = 10, + AMDGPU_SDMA_MBANK_DATA_BUF10 = 11, + AMDGPU_SDMA_MBANK_DATA_BUF11 = 12, + AMDGPU_SDMA_MBANK_DATA_BUF12 = 13, + AMDGPU_SDMA_MBANK_DATA_BUF13 = 14, + AMDGPU_SDMA_MBANK_DATA_BUF14 = 15, + AMDGPU_SDMA_MBANK_DATA_BUF15 = 16, + AMDGPU_SDMA_UCODE_BUF = 17, + AMDGPU_SDMA_RB_CMD_BUF = 18, + AMDGPU_SDMA_IB_CMD_BUF = 19, + AMDGPU_SDMA_UTCL1_RD_FIFO = 20, + AMDGPU_SDMA_UTCL1_RDBST_FIFO = 21, + AMDGPU_SDMA_UTCL1_WR_FIFO = 22, + AMDGPU_SDMA_DATA_LUT_FIFO = 23, + AMDGPU_SDMA_SPLIT_DAT_BUF = 24, + AMDGPU_SDMA_MEMORY_BLOCK_LAST, +}; + +struct amdgpu_sdma_ras { + struct amdgpu_ras_block_object ras_block; +}; + +struct amdgpu_sdma { + struct amdgpu_sdma_instance instance[AMDGPU_MAX_SDMA_INSTANCES]; + struct amdgpu_irq_src trap_irq; + struct amdgpu_irq_src illegal_inst_irq; + struct amdgpu_irq_src ecc_irq; + struct amdgpu_irq_src vm_hole_irq; + struct amdgpu_irq_src doorbell_invalid_irq; + struct amdgpu_irq_src pool_timeout_irq; + struct amdgpu_irq_src srbm_write_irq; + + int num_instances; + uint32_t sdma_mask; + int num_inst_per_aid; + uint32_t srbm_soft_reset; + bool has_page_queue; + struct ras_common_if *ras_if; + struct amdgpu_sdma_ras *ras; +}; + +/* + * 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, + bool tmz); + + /* 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, t) (adev)->mman.buffer_funcs->emit_copy_buffer((ib), (s), (d), (b), (t)) +#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_sdma_get_instance_from_ring(struct amdgpu_ring *ring); +int amdgpu_sdma_get_index_from_ring(struct amdgpu_ring *ring, uint32_t *index); +uint64_t amdgpu_sdma_get_csa_mc_addr(struct amdgpu_ring *ring, unsigned vmid); +int amdgpu_sdma_ras_late_init(struct amdgpu_device *adev, + struct ras_common_if *ras_block); +int amdgpu_sdma_process_ras_data_cb(struct amdgpu_device *adev, + void *err_data, + struct amdgpu_iv_entry *entry); +int amdgpu_sdma_process_ecc_irq(struct amdgpu_device *adev, + struct amdgpu_irq_src *source, + struct amdgpu_iv_entry *entry); +int amdgpu_sdma_init_microcode(struct amdgpu_device *adev, u32 instance, + bool duplicate); +void amdgpu_sdma_destroy_inst_ctx(struct amdgpu_device *adev, + bool duplicate); +void amdgpu_sdma_unset_buffer_funcs_helper(struct amdgpu_device *adev); +int amdgpu_sdma_ras_sw_init(struct amdgpu_device *adev); + +#endif |