2 * Copyright 2016 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 #include <linux/firmware.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
31 #include "amdgpu_psp.h"
32 #include "amdgpu_ucode.h"
33 #include "soc15_common.h"
34 #include "psp_v10_0.h"
36 #include "mp/mp_10_0_offset.h"
37 #include "gc/gc_9_1_offset.h"
38 #include "sdma0/sdma0_4_1_offset.h"
40 MODULE_FIRMWARE("amdgpu/raven_asd.bin");
41 MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
42 MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
43 MODULE_FIRMWARE("amdgpu/picasso_ta.bin");
44 MODULE_FIRMWARE("amdgpu/raven2_ta.bin");
45 MODULE_FIRMWARE("amdgpu/raven_ta.bin");
47 static int psp_v10_0_init_microcode(struct psp_context *psp)
49 struct amdgpu_device *adev = psp->adev;
50 const char *chip_name;
51 char ucode_prefix[30];
55 switch (adev->asic_type) {
57 if (adev->apu_flags & AMD_APU_IS_RAVEN2)
59 else if (adev->apu_flags & AMD_APU_IS_PICASSO)
60 chip_name = "picasso";
66 amdgpu_ucode_ip_version_decode(adev, MP0_HWIP, ucode_prefix, sizeof(ucode_prefix));
68 err = psp_init_asd_microcode(psp, ucode_prefix);
72 return psp_init_ta_microcode(psp, ucode_prefix);
75 static int psp_v10_0_ring_create(struct psp_context *psp,
76 enum psp_ring_type ring_type)
79 unsigned int psp_ring_reg = 0;
80 struct psp_ring *ring = &psp->km_ring;
81 struct amdgpu_device *adev = psp->adev;
83 /* Write low address of the ring to C2PMSG_69 */
84 psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
85 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
86 /* Write high address of the ring to C2PMSG_70 */
87 psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
88 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
89 /* Write size of ring to C2PMSG_71 */
90 psp_ring_reg = ring->ring_size;
91 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
92 /* Write the ring initialization command to C2PMSG_64 */
93 psp_ring_reg = ring_type;
94 psp_ring_reg = psp_ring_reg << 16;
95 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
97 /* There might be handshake issue with hardware which needs delay */
100 /* Wait for response flag (bit 31) in C2PMSG_64 */
101 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
102 0x80000000, 0x8000FFFF, false);
107 static int psp_v10_0_ring_stop(struct psp_context *psp,
108 enum psp_ring_type ring_type)
111 unsigned int psp_ring_reg = 0;
112 struct amdgpu_device *adev = psp->adev;
114 /* Write the ring destroy command to C2PMSG_64 */
115 psp_ring_reg = 3 << 16;
116 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
118 /* There might be handshake issue with hardware which needs delay */
121 /* Wait for response flag (bit 31) in C2PMSG_64 */
122 ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
123 0x80000000, 0x80000000, false);
128 static int psp_v10_0_ring_destroy(struct psp_context *psp,
129 enum psp_ring_type ring_type)
132 struct psp_ring *ring = &psp->km_ring;
133 struct amdgpu_device *adev = psp->adev;
135 ret = psp_v10_0_ring_stop(psp, ring_type);
137 DRM_ERROR("Fail to stop psp ring\n");
139 amdgpu_bo_free_kernel(&adev->firmware.rbuf,
140 &ring->ring_mem_mc_addr,
141 (void **)&ring->ring_mem);
146 static int psp_v10_0_mode1_reset(struct psp_context *psp)
148 DRM_INFO("psp mode 1 reset not supported now! \n");
152 static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
154 struct amdgpu_device *adev = psp->adev;
156 return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
159 static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
161 struct amdgpu_device *adev = psp->adev;
163 WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
166 static const struct psp_funcs psp_v10_0_funcs = {
167 .init_microcode = psp_v10_0_init_microcode,
168 .ring_create = psp_v10_0_ring_create,
169 .ring_stop = psp_v10_0_ring_stop,
170 .ring_destroy = psp_v10_0_ring_destroy,
171 .mode1_reset = psp_v10_0_mode1_reset,
172 .ring_get_wptr = psp_v10_0_ring_get_wptr,
173 .ring_set_wptr = psp_v10_0_ring_set_wptr,
176 void psp_v10_0_set_psp_funcs(struct psp_context *psp)
178 psp->funcs = &psp_v10_0_funcs;