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-rw-r--r--drivers/accel/amdxdna/aie.h120
1 files changed, 120 insertions, 0 deletions
diff --git a/drivers/accel/amdxdna/aie.h b/drivers/accel/amdxdna/aie.h
new file mode 100644
index 000000000..0483d582b
--- /dev/null
+++ b/drivers/accel/amdxdna/aie.h
@@ -0,0 +1,120 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (C) 2026, Advanced Micro Devices, Inc.
+ */
+#ifndef _AIE_H_
+#define _AIE_H_
+
+#include <drm/amdxdna_accel.h>
+#include "amdxdna_pci_drv.h"
+#include "amdxdna_mailbox.h"
+
+#define AIE_INTERVAL 20000 /* us */
+#define AIE_TIMEOUT 1000000 /* us */
+
+struct psp_device;
+struct smu_device;
+
+struct aie_device {
+ struct amdxdna_dev *xdna;
+ struct mailbox_channel *mgmt_chann;
+ struct xdna_mailbox_chann_res mgmt_x2i;
+ struct xdna_mailbox_chann_res mgmt_i2x;
+ u32 mgmt_chan_idx;
+ u32 mgmt_prot_major;
+ u32 mgmt_prot_minor;
+ unsigned long feature_mask;
+
+ struct psp_device *psp_hdl;
+ struct smu_device *smu_hdl;
+
+ struct amdxdna_drm_query_aie_metadata metadata;
+};
+
+#define DECLARE_AIE_MSG(name, op) \
+ DECLARE_XDNA_MSG_COMMON(name, op, -1)
+#define AIE_FEATURE_ON(aie, feature) test_bit(feature, &(aie)->feature_mask)
+
+#define PSP_REG_BAR(ndev, idx) ((ndev)->priv->psp_regs_off[(idx)].bar_idx)
+#define PSP_REG_OFF(ndev, idx) ((ndev)->priv->psp_regs_off[(idx)].offset)
+
+#define SMU_REG_BAR(ndev, idx) ((ndev)->priv->smu_regs_off[(idx)].bar_idx)
+#define SMU_REG_OFF(ndev, idx) ((ndev)->priv->smu_regs_off[(idx)].offset)
+
+#define DEFINE_BAR_OFFSET(reg_name, bar, reg_addr) \
+ [reg_name] = {bar##_BAR_INDEX, (reg_addr) - bar##_BAR_BASE}
+
+enum smu_reg_idx {
+ SMU_CMD_REG = 0,
+ SMU_ARG_REG,
+ SMU_INTR_REG,
+ SMU_RESP_REG,
+ SMU_OUT_REG,
+ SMU_MAX_REGS /* Keep this at the end */
+};
+
+enum psp_reg_idx {
+ PSP_CMD_REG = 0,
+ PSP_ARG0_REG,
+ PSP_ARG1_REG,
+ PSP_ARG2_REG,
+ PSP_NUM_IN_REGS, /* number of input registers */
+ PSP_INTR_REG = PSP_NUM_IN_REGS,
+ PSP_STATUS_REG,
+ PSP_RESP_REG,
+ PSP_PWAITMODE_REG,
+ PSP_MAX_REGS /* Keep this at the end */
+};
+
+struct aie_bar_off_pair {
+ int bar_idx;
+ u32 offset;
+};
+
+struct smu_config {
+ void __iomem *smu_regs[SMU_MAX_REGS];
+};
+
+struct psp_config {
+ const void *fw_buf;
+ u32 fw_size;
+ const void *certfw_buf;
+ u32 certfw_size;
+ void __iomem *psp_regs[PSP_MAX_REGS];
+ u32 arg2_mask;
+ u32 notify_val;
+};
+
+/* Device revision to VBNV string mapping table entry */
+struct amdxdna_rev_vbnv {
+ u32 revision;
+ const char *vbnv;
+};
+
+/* aie.c */
+void aie_dump_mgmt_chann_debug(struct aie_device *aie);
+void aie_destroy_chann(struct aie_device *aie, struct mailbox_channel **chann);
+int aie_send_mgmt_msg_wait(struct aie_device *aie, struct xdna_mailbox_msg *msg);
+int aie_check_protocol(struct aie_device *aie, u32 fw_major, u32 fw_minor);
+void amdxdna_vbnv_init(struct amdxdna_dev *xdna);
+int amdxdna_get_metadata(struct aie_device *aie, struct amdxdna_client *client,
+ struct amdxdna_drm_get_info *args);
+void *amdxdna_alloc_msg_buffer(struct amdxdna_dev *xdna, u32 *size,
+ dma_addr_t *dma_addr);
+void amdxdna_free_msg_buffer(struct amdxdna_dev *xdna, size_t size,
+ void *cpu_addr, dma_addr_t dma_addr);
+
+/* aie_psp.c */
+struct psp_device *aiem_psp_create(struct drm_device *ddev, struct psp_config *conf);
+int aie_psp_start(struct psp_device *psp);
+void aie_psp_stop(struct psp_device *psp);
+int aie_psp_waitmode_poll(struct psp_device *psp);
+
+/* aie_smu.c */
+struct smu_device *aiem_smu_create(struct drm_device *ddev, struct smu_config *conf);
+int aie_smu_init(struct smu_device *smu);
+void aie_smu_fini(struct smu_device *smu);
+int aie_smu_set_clocks(struct smu_device *smu, u32 *npuclk, u32 *hclk);
+int aie_smu_set_dpm(struct smu_device *smu, u32 dpm_level);
+
+#endif /* _AIE_H_ */