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Diffstat (limited to 'drivers/accel/rocket/rocket_core.h')
-rw-r--r--drivers/accel/rocket/rocket_core.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/accel/rocket/rocket_core.h b/drivers/accel/rocket/rocket_core.h
new file mode 100644
index 000000000000..f6d7382854ca
--- /dev/null
+++ b/drivers/accel/rocket/rocket_core.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright 2024-2025 Tomeu Vizoso <tomeu@tomeuvizoso.net> */
+
+#ifndef __ROCKET_CORE_H__
+#define __ROCKET_CORE_H__
+
+#include <drm/gpu_scheduler.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/mutex_types.h>
+#include <linux/reset.h>
+
+#include "rocket_registers.h"
+
+#define rocket_pc_readl(core, reg) \
+ readl((core)->pc_iomem + (REG_PC_##reg))
+#define rocket_pc_writel(core, reg, value) \
+ writel(value, (core)->pc_iomem + (REG_PC_##reg))
+
+#define rocket_cna_readl(core, reg) \
+ readl((core)->cna_iomem + (REG_CNA_##reg) - REG_CNA_S_STATUS)
+#define rocket_cna_writel(core, reg, value) \
+ writel(value, (core)->cna_iomem + (REG_CNA_##reg) - REG_CNA_S_STATUS)
+
+#define rocket_core_readl(core, reg) \
+ readl((core)->core_iomem + (REG_CORE_##reg) - REG_CORE_S_STATUS)
+#define rocket_core_writel(core, reg, value) \
+ writel(value, (core)->core_iomem + (REG_CORE_##reg) - REG_CORE_S_STATUS)
+
+struct rocket_core {
+ struct device *dev;
+ struct rocket_device *rdev;
+ unsigned int index;
+
+ int irq;
+ void __iomem *pc_iomem;
+ void __iomem *cna_iomem;
+ void __iomem *core_iomem;
+ struct clk_bulk_data clks[4];
+ struct reset_control_bulk_data resets[2];
+
+ struct iommu_group *iommu_group;
+
+ struct mutex job_lock;
+ struct rocket_job *in_flight_job;
+
+ spinlock_t fence_lock;
+
+ struct {
+ struct workqueue_struct *wq;
+ struct work_struct work;
+ atomic_t pending;
+ } reset;
+
+ struct drm_gpu_scheduler sched;
+ u64 fence_context;
+ u64 emit_seqno;
+};
+
+int rocket_core_init(struct rocket_core *core);
+void rocket_core_fini(struct rocket_core *core);
+void rocket_core_reset(struct rocket_core *core);
+
+#endif