1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2020-2023 Intel Corporation
9 #include <drm/drm_device.h>
10 #include <drm/drm_drv.h>
11 #include <drm/drm_managed.h>
12 #include <drm/drm_mm.h>
13 #include <drm/drm_print.h>
15 #include <linux/pci.h>
16 #include <linux/xarray.h>
17 #include <uapi/drm/ivpu_accel.h>
19 #include "ivpu_mmu_context.h"
21 #define DRIVER_NAME "intel_vpu"
22 #define DRIVER_DESC "Driver for Intel Versatile Processing Unit (VPU)"
23 #define DRIVER_DATE "20230117"
25 #define PCI_DEVICE_ID_MTL 0x7d1d
27 #define IVPU_GLOBAL_CONTEXT_MMU_SSID 0
28 /* SSID 1 is used by the VPU to represent invalid context */
29 #define IVPU_USER_CONTEXT_MIN_SSID 2
30 #define IVPU_USER_CONTEXT_MAX_SSID (IVPU_USER_CONTEXT_MIN_SSID + 63)
32 #define IVPU_NUM_ENGINES 2
34 #define IVPU_PLATFORM_SILICON 0
35 #define IVPU_PLATFORM_SIMICS 2
36 #define IVPU_PLATFORM_FPGA 3
37 #define IVPU_PLATFORM_INVALID 8
39 #define IVPU_DBG_REG BIT(0)
40 #define IVPU_DBG_IRQ BIT(1)
41 #define IVPU_DBG_MMU BIT(2)
42 #define IVPU_DBG_FILE BIT(3)
43 #define IVPU_DBG_MISC BIT(4)
44 #define IVPU_DBG_FW_BOOT BIT(5)
45 #define IVPU_DBG_PM BIT(6)
46 #define IVPU_DBG_IPC BIT(7)
47 #define IVPU_DBG_BO BIT(8)
48 #define IVPU_DBG_JOB BIT(9)
49 #define IVPU_DBG_JSM BIT(10)
50 #define IVPU_DBG_KREF BIT(11)
51 #define IVPU_DBG_RPM BIT(12)
53 #define ivpu_err(vdev, fmt, ...) \
54 drm_err(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__)
56 #define ivpu_err_ratelimited(vdev, fmt, ...) \
57 drm_err_ratelimited(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__)
59 #define ivpu_warn(vdev, fmt, ...) \
60 drm_warn(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__)
62 #define ivpu_warn_ratelimited(vdev, fmt, ...) \
63 drm_err_ratelimited(&(vdev)->drm, "%s(): " fmt, __func__, ##__VA_ARGS__)
65 #define ivpu_info(vdev, fmt, ...) drm_info(&(vdev)->drm, fmt, ##__VA_ARGS__)
67 #define ivpu_dbg(vdev, type, fmt, args...) do { \
68 if (unlikely(IVPU_DBG_##type & ivpu_dbg_mask)) \
69 dev_dbg((vdev)->drm.dev, "[%s] " fmt, #type, ##args); \
72 #define IVPU_WA(wa_name) (vdev->wa.wa_name)
74 struct ivpu_wa_table {
76 bool clear_runtime_mem;
77 bool d3hot_after_power_off;
87 struct drm_device drm;
93 struct ivpu_wa_table wa;
94 struct ivpu_hw_info *hw;
95 struct ivpu_mmu_info *mmu;
96 struct ivpu_fw_info *fw;
97 struct ivpu_ipc_info *ipc;
98 struct ivpu_pm_info *pm;
100 struct ivpu_mmu_context gctx;
101 struct xarray context_xa;
102 struct xa_limit context_xa_limit;
104 struct xarray submitted_jobs_xa;
105 struct task_struct *job_done_thread;
107 atomic64_t unique_id_counter;
113 int reschedule_suspend;
118 * file_priv has its own refcount (ref) that allows user space to close the fd
119 * without blocking even if VPU is still processing some jobs.
121 struct ivpu_file_priv {
123 struct ivpu_device *vdev;
124 struct mutex lock; /* Protects cmdq */
125 struct ivpu_cmdq *cmdq[IVPU_NUM_ENGINES];
126 struct ivpu_mmu_context ctx;
131 extern int ivpu_dbg_mask;
132 extern u8 ivpu_pll_min_ratio;
133 extern u8 ivpu_pll_max_ratio;
135 #define IVPU_TEST_MODE_DISABLED 0
136 #define IVPU_TEST_MODE_FW_TEST 1
137 #define IVPU_TEST_MODE_NULL_HW 2
138 extern int ivpu_test_mode;
140 struct ivpu_file_priv *ivpu_file_priv_get(struct ivpu_file_priv *file_priv);
141 struct ivpu_file_priv *ivpu_file_priv_get_by_ctx_id(struct ivpu_device *vdev, unsigned long id);
142 void ivpu_file_priv_put(struct ivpu_file_priv **link);
144 int ivpu_boot(struct ivpu_device *vdev);
145 int ivpu_shutdown(struct ivpu_device *vdev);
147 static inline bool ivpu_is_mtl(struct ivpu_device *vdev)
149 return to_pci_dev(vdev->drm.dev)->device == PCI_DEVICE_ID_MTL;
152 static inline u8 ivpu_revision(struct ivpu_device *vdev)
154 return to_pci_dev(vdev->drm.dev)->revision;
157 static inline u16 ivpu_device_id(struct ivpu_device *vdev)
159 return to_pci_dev(vdev->drm.dev)->device;
162 static inline struct ivpu_device *to_ivpu_device(struct drm_device *dev)
164 return container_of(dev, struct ivpu_device, drm);
167 static inline u32 ivpu_get_context_count(struct ivpu_device *vdev)
169 struct xa_limit ctx_limit = vdev->context_xa_limit;
171 return (ctx_limit.max - ctx_limit.min + 1);
174 static inline u32 ivpu_get_platform(struct ivpu_device *vdev)
176 WARN_ON_ONCE(vdev->platform == IVPU_PLATFORM_INVALID);
177 return vdev->platform;
180 static inline bool ivpu_is_silicon(struct ivpu_device *vdev)
182 return ivpu_get_platform(vdev) == IVPU_PLATFORM_SILICON;
185 static inline bool ivpu_is_simics(struct ivpu_device *vdev)
187 return ivpu_get_platform(vdev) == IVPU_PLATFORM_SIMICS;
190 static inline bool ivpu_is_fpga(struct ivpu_device *vdev)
192 return ivpu_get_platform(vdev) == IVPU_PLATFORM_FPGA;
195 #endif /* __IVPU_DRV_H__ */