mirror of
https://github.com/torvalds/linux.git
synced 2024-12-25 12:21:37 +00:00
828d63042a
Avoid HW bug on some platforms where we enter D0i3 state
and CPU is in low power states (C8 or above).
Fixes: 852be13f3b ("accel/ivpu: Add PM support")
Cc: stable@vger.kernel.org
Signed-off-by: Jacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231003064213.1527327-1-stanislaw.gruszka@linux.intel.com
180 lines
4.4 KiB
C
180 lines
4.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2020-2023 Intel Corporation
|
|
*/
|
|
|
|
#ifndef __IVPU_HW_H__
|
|
#define __IVPU_HW_H__
|
|
|
|
#include "ivpu_drv.h"
|
|
|
|
struct ivpu_hw_ops {
|
|
int (*info_init)(struct ivpu_device *vdev);
|
|
int (*power_up)(struct ivpu_device *vdev);
|
|
int (*boot_fw)(struct ivpu_device *vdev);
|
|
int (*power_down)(struct ivpu_device *vdev);
|
|
int (*reset)(struct ivpu_device *vdev);
|
|
bool (*is_idle)(struct ivpu_device *vdev);
|
|
void (*wdt_disable)(struct ivpu_device *vdev);
|
|
void (*diagnose_failure)(struct ivpu_device *vdev);
|
|
u32 (*reg_pll_freq_get)(struct ivpu_device *vdev);
|
|
u32 (*reg_telemetry_offset_get)(struct ivpu_device *vdev);
|
|
u32 (*reg_telemetry_size_get)(struct ivpu_device *vdev);
|
|
u32 (*reg_telemetry_enable_get)(struct ivpu_device *vdev);
|
|
void (*reg_db_set)(struct ivpu_device *vdev, u32 db_id);
|
|
u32 (*reg_ipc_rx_addr_get)(struct ivpu_device *vdev);
|
|
u32 (*reg_ipc_rx_count_get)(struct ivpu_device *vdev);
|
|
void (*reg_ipc_tx_set)(struct ivpu_device *vdev, u32 vpu_addr);
|
|
void (*irq_clear)(struct ivpu_device *vdev);
|
|
void (*irq_enable)(struct ivpu_device *vdev);
|
|
void (*irq_disable)(struct ivpu_device *vdev);
|
|
irqreturn_t (*irq_handler)(int irq, void *ptr);
|
|
};
|
|
|
|
struct ivpu_addr_range {
|
|
resource_size_t start;
|
|
resource_size_t end;
|
|
};
|
|
|
|
struct ivpu_hw_info {
|
|
const struct ivpu_hw_ops *ops;
|
|
struct {
|
|
struct ivpu_addr_range global;
|
|
struct ivpu_addr_range user;
|
|
struct ivpu_addr_range shave;
|
|
struct ivpu_addr_range dma;
|
|
} ranges;
|
|
struct {
|
|
u8 min_ratio;
|
|
u8 max_ratio;
|
|
/*
|
|
* Pll ratio for the efficiency frequency. The VPU has optimum
|
|
* performance to power ratio at this frequency.
|
|
*/
|
|
u8 pn_ratio;
|
|
u32 profiling_freq;
|
|
} pll;
|
|
u32 tile_fuse;
|
|
u32 sku;
|
|
u16 config;
|
|
int dma_bits;
|
|
};
|
|
|
|
extern const struct ivpu_hw_ops ivpu_hw_37xx_ops;
|
|
extern const struct ivpu_hw_ops ivpu_hw_40xx_ops;
|
|
|
|
static inline int ivpu_hw_info_init(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->info_init(vdev);
|
|
};
|
|
|
|
static inline int ivpu_hw_power_up(struct ivpu_device *vdev)
|
|
{
|
|
ivpu_dbg(vdev, PM, "HW power up\n");
|
|
|
|
return vdev->hw->ops->power_up(vdev);
|
|
};
|
|
|
|
static inline int ivpu_hw_boot_fw(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->boot_fw(vdev);
|
|
};
|
|
|
|
static inline bool ivpu_hw_is_idle(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->is_idle(vdev);
|
|
};
|
|
|
|
static inline int ivpu_hw_power_down(struct ivpu_device *vdev)
|
|
{
|
|
ivpu_dbg(vdev, PM, "HW power down\n");
|
|
|
|
return vdev->hw->ops->power_down(vdev);
|
|
};
|
|
|
|
static inline int ivpu_hw_reset(struct ivpu_device *vdev)
|
|
{
|
|
ivpu_dbg(vdev, PM, "HW reset\n");
|
|
|
|
return vdev->hw->ops->reset(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_wdt_disable(struct ivpu_device *vdev)
|
|
{
|
|
vdev->hw->ops->wdt_disable(vdev);
|
|
};
|
|
|
|
/* Register indirect accesses */
|
|
static inline u32 ivpu_hw_reg_pll_freq_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_pll_freq_get(vdev);
|
|
};
|
|
|
|
static inline u32 ivpu_hw_reg_telemetry_offset_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_telemetry_offset_get(vdev);
|
|
};
|
|
|
|
static inline u32 ivpu_hw_reg_telemetry_size_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_telemetry_size_get(vdev);
|
|
};
|
|
|
|
static inline u32 ivpu_hw_reg_telemetry_enable_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_telemetry_enable_get(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_reg_db_set(struct ivpu_device *vdev, u32 db_id)
|
|
{
|
|
vdev->hw->ops->reg_db_set(vdev, db_id);
|
|
};
|
|
|
|
static inline u32 ivpu_hw_reg_ipc_rx_addr_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_ipc_rx_addr_get(vdev);
|
|
};
|
|
|
|
static inline u32 ivpu_hw_reg_ipc_rx_count_get(struct ivpu_device *vdev)
|
|
{
|
|
return vdev->hw->ops->reg_ipc_rx_count_get(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_reg_ipc_tx_set(struct ivpu_device *vdev, u32 vpu_addr)
|
|
{
|
|
vdev->hw->ops->reg_ipc_tx_set(vdev, vpu_addr);
|
|
};
|
|
|
|
static inline void ivpu_hw_irq_clear(struct ivpu_device *vdev)
|
|
{
|
|
vdev->hw->ops->irq_clear(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_irq_enable(struct ivpu_device *vdev)
|
|
{
|
|
vdev->hw->ops->irq_enable(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_irq_disable(struct ivpu_device *vdev)
|
|
{
|
|
vdev->hw->ops->irq_disable(vdev);
|
|
};
|
|
|
|
static inline void ivpu_hw_init_range(struct ivpu_addr_range *range, u64 start, u64 size)
|
|
{
|
|
range->start = start;
|
|
range->end = start + size;
|
|
}
|
|
|
|
static inline u64 ivpu_hw_range_size(const struct ivpu_addr_range *range)
|
|
{
|
|
return range->end - range->start;
|
|
}
|
|
|
|
static inline void ivpu_hw_diagnose_failure(struct ivpu_device *vdev)
|
|
{
|
|
vdev->hw->ops->diagnose_failure(vdev);
|
|
}
|
|
|
|
#endif /* __IVPU_HW_H__ */
|