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24 #include <linux/delay.h>
26 #include "lsdma_v6_0.h"
27 #include "amdgpu_lsdma.h"
29 #include "lsdma/lsdma_6_0_0_offset.h"
30 #include "lsdma/lsdma_6_0_0_sh_mask.h"
32 static int lsdma_v6_0_wait_pio_status(struct amdgpu_device *adev)
34 return amdgpu_lsdma_wait_for(adev, SOC15_REG_OFFSET(LSDMA, 0, regLSDMA_PIO_STATUS),
35 LSDMA_PIO_STATUS__PIO_IDLE_MASK | LSDMA_PIO_STATUS__PIO_FIFO_EMPTY_MASK,
36 LSDMA_PIO_STATUS__PIO_IDLE_MASK | LSDMA_PIO_STATUS__PIO_FIFO_EMPTY_MASK);
39 static int lsdma_v6_0_copy_mem(struct amdgpu_device *adev,
47 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_SRC_ADDR_LO, lower_32_bits(src_addr));
48 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_SRC_ADDR_HI, upper_32_bits(src_addr));
50 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_LO, lower_32_bits(dst_addr));
51 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_HI, upper_32_bits(dst_addr));
53 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONTROL, 0x0);
55 tmp = RREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND);
56 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, BYTE_COUNT, size);
57 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, SRC_LOCATION, 0);
58 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, DST_LOCATION, 0);
59 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, SRC_ADDR_INC, 0);
60 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, DST_ADDR_INC, 0);
61 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, OVERLAP_DISABLE, 0);
62 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, CONSTANT_FILL, 0);
63 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND, tmp);
65 ret = lsdma_v6_0_wait_pio_status(adev);
67 dev_err(adev->dev, "LSDMA PIO failed to copy memory!\n");
72 static int lsdma_v6_0_fill_mem(struct amdgpu_device *adev,
80 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONSTFILL_DATA, data);
82 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_LO, lower_32_bits(dst_addr));
83 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_DST_ADDR_HI, upper_32_bits(dst_addr));
85 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_CONTROL, 0x0);
87 tmp = RREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND);
88 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, BYTE_COUNT, size);
89 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, SRC_LOCATION, 0);
90 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, DST_LOCATION, 0);
91 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, SRC_ADDR_INC, 0);
92 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, DST_ADDR_INC, 0);
93 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, OVERLAP_DISABLE, 0);
94 tmp = REG_SET_FIELD(tmp, LSDMA_PIO_COMMAND, CONSTANT_FILL, 1);
95 WREG32_SOC15(LSDMA, 0, regLSDMA_PIO_COMMAND, tmp);
97 ret = lsdma_v6_0_wait_pio_status(adev);
99 dev_err(adev->dev, "LSDMA PIO failed to fill memory!\n");
104 static void lsdma_v6_0_update_memory_power_gating(struct amdgpu_device *adev,
109 tmp = RREG32_SOC15(LSDMA, 0, regLSDMA_MEM_POWER_CTRL);
110 tmp = REG_SET_FIELD(tmp, LSDMA_MEM_POWER_CTRL, MEM_POWER_CTRL_EN, 0);
111 WREG32_SOC15(LSDMA, 0, regLSDMA_MEM_POWER_CTRL, tmp);
113 tmp = REG_SET_FIELD(tmp, LSDMA_MEM_POWER_CTRL, MEM_POWER_CTRL_EN, enable);
114 WREG32_SOC15(LSDMA, 0, regLSDMA_MEM_POWER_CTRL, tmp);
117 const struct amdgpu_lsdma_funcs lsdma_v6_0_funcs = {
118 .copy_mem = lsdma_v6_0_copy_mem,
119 .fill_mem = lsdma_v6_0_fill_mem,
120 .update_memory_power_gating = lsdma_v6_0_update_memory_power_gating