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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/psp_v10_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/psp_v10_0.c260
1 files changed, 260 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
new file mode 100644
index 000000000..ed2293686
--- /dev/null
+++ b/drivers/gpu/drm/amd/amdgpu/psp_v10_0.c
@@ -0,0 +1,260 @@
+/*
+ * Copyright 2016 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.
+ *
+ * Author: Huang Rui
+ *
+ */
+
+#include <linux/firmware.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+
+#include "amdgpu.h"
+#include "amdgpu_psp.h"
+#include "amdgpu_ucode.h"
+#include "soc15_common.h"
+#include "psp_v10_0.h"
+
+#include "mp/mp_10_0_offset.h"
+#include "gc/gc_9_1_offset.h"
+#include "sdma0/sdma0_4_1_offset.h"
+
+MODULE_FIRMWARE("amdgpu/raven_asd.bin");
+MODULE_FIRMWARE("amdgpu/picasso_asd.bin");
+MODULE_FIRMWARE("amdgpu/raven2_asd.bin");
+MODULE_FIRMWARE("amdgpu/picasso_ta.bin");
+MODULE_FIRMWARE("amdgpu/raven2_ta.bin");
+MODULE_FIRMWARE("amdgpu/raven_ta.bin");
+
+static int psp_v10_0_init_microcode(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+ const char *chip_name;
+ char fw_name[30];
+ int err = 0;
+ const struct ta_firmware_header_v1_0 *ta_hdr;
+ DRM_DEBUG("\n");
+
+ switch (adev->asic_type) {
+ case CHIP_RAVEN:
+ if (adev->apu_flags & AMD_APU_IS_RAVEN2)
+ chip_name = "raven2";
+ else if (adev->apu_flags & AMD_APU_IS_PICASSO)
+ chip_name = "picasso";
+ else
+ chip_name = "raven";
+ break;
+ default: BUG();
+ }
+
+ err = psp_init_asd_microcode(psp, chip_name);
+ if (err)
+ goto out;
+
+ snprintf(fw_name, sizeof(fw_name), "amdgpu/%s_ta.bin", chip_name);
+ err = request_firmware(&adev->psp.ta_fw, fw_name, adev->dev);
+ if (err) {
+ release_firmware(adev->psp.ta_fw);
+ adev->psp.ta_fw = NULL;
+ dev_info(adev->dev,
+ "psp v10.0: Failed to load firmware \"%s\"\n",
+ fw_name);
+ } else {
+ err = amdgpu_ucode_validate(adev->psp.ta_fw);
+ if (err)
+ goto out2;
+
+ ta_hdr = (const struct ta_firmware_header_v1_0 *)
+ adev->psp.ta_fw->data;
+ adev->psp.hdcp_context.context.bin_desc.fw_version =
+ le32_to_cpu(ta_hdr->hdcp.fw_version);
+ adev->psp.hdcp_context.context.bin_desc.size_bytes =
+ le32_to_cpu(ta_hdr->hdcp.size_bytes);
+ adev->psp.hdcp_context.context.bin_desc.start_addr =
+ (uint8_t *)ta_hdr +
+ le32_to_cpu(ta_hdr->header.ucode_array_offset_bytes);
+
+ adev->psp.dtm_context.context.bin_desc.fw_version =
+ le32_to_cpu(ta_hdr->dtm.fw_version);
+ adev->psp.dtm_context.context.bin_desc.size_bytes =
+ le32_to_cpu(ta_hdr->dtm.size_bytes);
+ adev->psp.dtm_context.context.bin_desc.start_addr =
+ (uint8_t *)adev->psp.hdcp_context.context.bin_desc.start_addr +
+ le32_to_cpu(ta_hdr->dtm.offset_bytes);
+
+ adev->psp.securedisplay_context.context.bin_desc.fw_version =
+ le32_to_cpu(ta_hdr->securedisplay.fw_version);
+ adev->psp.securedisplay_context.context.bin_desc.size_bytes =
+ le32_to_cpu(ta_hdr->securedisplay.size_bytes);
+ adev->psp.securedisplay_context.context.bin_desc.start_addr =
+ (uint8_t *)adev->psp.hdcp_context.context.bin_desc.start_addr +
+ le32_to_cpu(ta_hdr->securedisplay.offset_bytes);
+
+ adev->psp.ta_fw_version = le32_to_cpu(ta_hdr->header.ucode_version);
+ }
+
+ return 0;
+
+out2:
+ release_firmware(adev->psp.ta_fw);
+ adev->psp.ta_fw = NULL;
+out:
+ if (err) {
+ dev_err(adev->dev,
+ "psp v10.0: Failed to load firmware \"%s\"\n",
+ fw_name);
+ }
+
+ return err;
+}
+
+static int psp_v10_0_ring_init(struct psp_context *psp,
+ enum psp_ring_type ring_type)
+{
+ int ret = 0;
+ struct psp_ring *ring;
+ struct amdgpu_device *adev = psp->adev;
+
+ ring = &psp->km_ring;
+
+ ring->ring_type = ring_type;
+
+ /* allocate 4k Page of Local Frame Buffer memory for ring */
+ ring->ring_size = 0x1000;
+ ret = amdgpu_bo_create_kernel(adev, ring->ring_size, PAGE_SIZE,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ &adev->firmware.rbuf,
+ &ring->ring_mem_mc_addr,
+ (void **)&ring->ring_mem);
+ if (ret) {
+ ring->ring_size = 0;
+ return ret;
+ }
+
+ return 0;
+}
+
+static int psp_v10_0_ring_create(struct psp_context *psp,
+ enum psp_ring_type ring_type)
+{
+ int ret = 0;
+ unsigned int psp_ring_reg = 0;
+ struct psp_ring *ring = &psp->km_ring;
+ struct amdgpu_device *adev = psp->adev;
+
+ /* Write low address of the ring to C2PMSG_69 */
+ psp_ring_reg = lower_32_bits(ring->ring_mem_mc_addr);
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_69, psp_ring_reg);
+ /* Write high address of the ring to C2PMSG_70 */
+ psp_ring_reg = upper_32_bits(ring->ring_mem_mc_addr);
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_70, psp_ring_reg);
+ /* Write size of ring to C2PMSG_71 */
+ psp_ring_reg = ring->ring_size;
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_71, psp_ring_reg);
+ /* Write the ring initialization command to C2PMSG_64 */
+ psp_ring_reg = ring_type;
+ psp_ring_reg = psp_ring_reg << 16;
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
+
+ /* There might be handshake issue with hardware which needs delay */
+ mdelay(20);
+
+ /* Wait for response flag (bit 31) in C2PMSG_64 */
+ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
+ 0x80000000, 0x8000FFFF, false);
+
+ return ret;
+}
+
+static int psp_v10_0_ring_stop(struct psp_context *psp,
+ enum psp_ring_type ring_type)
+{
+ int ret = 0;
+ unsigned int psp_ring_reg = 0;
+ struct amdgpu_device *adev = psp->adev;
+
+ /* Write the ring destroy command to C2PMSG_64 */
+ psp_ring_reg = 3 << 16;
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_64, psp_ring_reg);
+
+ /* There might be handshake issue with hardware which needs delay */
+ mdelay(20);
+
+ /* Wait for response flag (bit 31) in C2PMSG_64 */
+ ret = psp_wait_for(psp, SOC15_REG_OFFSET(MP0, 0, mmMP0_SMN_C2PMSG_64),
+ 0x80000000, 0x80000000, false);
+
+ return ret;
+}
+
+static int psp_v10_0_ring_destroy(struct psp_context *psp,
+ enum psp_ring_type ring_type)
+{
+ int ret = 0;
+ struct psp_ring *ring = &psp->km_ring;
+ struct amdgpu_device *adev = psp->adev;
+
+ ret = psp_v10_0_ring_stop(psp, ring_type);
+ if (ret)
+ DRM_ERROR("Fail to stop psp ring\n");
+
+ amdgpu_bo_free_kernel(&adev->firmware.rbuf,
+ &ring->ring_mem_mc_addr,
+ (void **)&ring->ring_mem);
+
+ return ret;
+}
+
+static int psp_v10_0_mode1_reset(struct psp_context *psp)
+{
+ DRM_INFO("psp mode 1 reset not supported now! \n");
+ return -EINVAL;
+}
+
+static uint32_t psp_v10_0_ring_get_wptr(struct psp_context *psp)
+{
+ struct amdgpu_device *adev = psp->adev;
+
+ return RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67);
+}
+
+static void psp_v10_0_ring_set_wptr(struct psp_context *psp, uint32_t value)
+{
+ struct amdgpu_device *adev = psp->adev;
+
+ WREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_67, value);
+}
+
+static const struct psp_funcs psp_v10_0_funcs = {
+ .init_microcode = psp_v10_0_init_microcode,
+ .ring_init = psp_v10_0_ring_init,
+ .ring_create = psp_v10_0_ring_create,
+ .ring_stop = psp_v10_0_ring_stop,
+ .ring_destroy = psp_v10_0_ring_destroy,
+ .mode1_reset = psp_v10_0_mode1_reset,
+ .ring_get_wptr = psp_v10_0_ring_get_wptr,
+ .ring_set_wptr = psp_v10_0_ring_set_wptr,
+};
+
+void psp_v10_0_set_psp_funcs(struct psp_context *psp)
+{
+ psp->funcs = &psp_v10_0_funcs;
+}