1f3ba9122SRob Herring /* SPDX-License-Identifier: GPL-2.0 */ 2f3ba9122SRob Herring /* Copyright 2018 Marty E. Plummer <hanetzer@startmail.com> */ 3f3ba9122SRob Herring /* Copyright 2019 Linaro, Ltd, Rob Herring <robh@kernel.org> */ 4f3ba9122SRob Herring 5f3ba9122SRob Herring #ifndef __PANFROST_DEVICE_H__ 6f3ba9122SRob Herring #define __PANFROST_DEVICE_H__ 7f3ba9122SRob Herring 8f3ba9122SRob Herring #include <linux/spinlock.h> 9f3ba9122SRob Herring #include <drm/drm_device.h> 10f3ba9122SRob Herring #include <drm/drm_mm.h> 11f3ba9122SRob Herring #include <drm/gpu_scheduler.h> 12f3ba9122SRob Herring 13f3ba9122SRob Herring struct panfrost_device; 14f3ba9122SRob Herring struct panfrost_mmu; 15f3ba9122SRob Herring struct panfrost_job_slot; 16f3ba9122SRob Herring struct panfrost_job; 177786fd10SBoris Brezillon struct panfrost_perfcnt; 18f3ba9122SRob Herring 19f3ba9122SRob Herring #define NUM_JOB_SLOTS 3 20f3ba9122SRob Herring 21f3ba9122SRob Herring struct panfrost_features { 22f3ba9122SRob Herring u16 id; 23f3ba9122SRob Herring u16 revision; 24f3ba9122SRob Herring 25f3ba9122SRob Herring u64 shader_present; 26f3ba9122SRob Herring u64 tiler_present; 27f3ba9122SRob Herring u64 l2_present; 28f3ba9122SRob Herring u64 stack_present; 29f3ba9122SRob Herring u32 as_present; 30f3ba9122SRob Herring u32 js_present; 31f3ba9122SRob Herring 32f3ba9122SRob Herring u32 l2_features; 33f3ba9122SRob Herring u32 core_features; 34f3ba9122SRob Herring u32 tiler_features; 35f3ba9122SRob Herring u32 mem_features; 36f3ba9122SRob Herring u32 mmu_features; 37f3ba9122SRob Herring u32 thread_features; 38f3ba9122SRob Herring u32 max_threads; 39f3ba9122SRob Herring u32 thread_max_workgroup_sz; 40f3ba9122SRob Herring u32 thread_max_barrier_sz; 41f3ba9122SRob Herring u32 coherency_features; 42f3ba9122SRob Herring u32 texture_features[4]; 43f3ba9122SRob Herring u32 js_features[16]; 44f3ba9122SRob Herring 45f3ba9122SRob Herring u32 nr_core_groups; 464bced8beSSteven Price u32 thread_tls_alloc; 47f3ba9122SRob Herring 48f3ba9122SRob Herring unsigned long hw_features[64 / BITS_PER_LONG]; 49f3ba9122SRob Herring unsigned long hw_issues[64 / BITS_PER_LONG]; 50f3ba9122SRob Herring }; 51f3ba9122SRob Herring 52f3ba9122SRob Herring struct panfrost_devfreq_slot { 53f3ba9122SRob Herring ktime_t busy_time; 54f3ba9122SRob Herring ktime_t idle_time; 55f3ba9122SRob Herring ktime_t time_last_update; 56f3ba9122SRob Herring bool busy; 57f3ba9122SRob Herring }; 58f3ba9122SRob Herring 59f3ba9122SRob Herring struct panfrost_device { 60f3ba9122SRob Herring struct device *dev; 61f3ba9122SRob Herring struct drm_device *ddev; 62f3ba9122SRob Herring struct platform_device *pdev; 63f3ba9122SRob Herring 64f3ba9122SRob Herring spinlock_t hwaccess_lock; 65f3ba9122SRob Herring 66f3ba9122SRob Herring struct drm_mm mm; 67f3ba9122SRob Herring spinlock_t mm_lock; 68f3ba9122SRob Herring 69f3ba9122SRob Herring void __iomem *iomem; 70f3ba9122SRob Herring struct clk *clock; 71b681af0bSClément Péron struct clk *bus_clock; 72f3ba9122SRob Herring struct regulator *regulator; 73f3ba9122SRob Herring struct reset_control *rstc; 74f3ba9122SRob Herring 75f3ba9122SRob Herring struct panfrost_features features; 76f3ba9122SRob Herring 77f3ba9122SRob Herring struct panfrost_mmu *mmu; 78f3ba9122SRob Herring struct panfrost_job_slot *js; 79f3ba9122SRob Herring 80f3ba9122SRob Herring struct panfrost_job *jobs[NUM_JOB_SLOTS]; 81f3ba9122SRob Herring struct list_head scheduled_jobs; 82f3ba9122SRob Herring 837786fd10SBoris Brezillon struct panfrost_perfcnt *perfcnt; 847786fd10SBoris Brezillon 85f3ba9122SRob Herring struct mutex sched_lock; 86aa202367STomeu Vizoso struct mutex reset_lock; 87f3ba9122SRob Herring 88013b6510SRob Herring struct mutex shrinker_lock; 89013b6510SRob Herring struct list_head shrinker_list; 90013b6510SRob Herring struct shrinker shrinker; 91013b6510SRob Herring 92f3ba9122SRob Herring struct { 93f3ba9122SRob Herring struct devfreq *devfreq; 94f3ba9122SRob Herring struct thermal_cooling_device *cooling; 95f3ba9122SRob Herring unsigned long cur_freq; 96f3ba9122SRob Herring unsigned long cur_volt; 97f3ba9122SRob Herring struct panfrost_devfreq_slot slot[NUM_JOB_SLOTS]; 98f3ba9122SRob Herring } devfreq; 99f3ba9122SRob Herring }; 100f3ba9122SRob Herring 101f3ba9122SRob Herring struct panfrost_file_priv { 102f3ba9122SRob Herring struct panfrost_device *pfdev; 103f3ba9122SRob Herring 104f3ba9122SRob Herring struct drm_sched_entity sched_entity[NUM_JOB_SLOTS]; 105f3ba9122SRob Herring }; 106f3ba9122SRob Herring 107f3ba9122SRob Herring static inline struct panfrost_device *to_panfrost_device(struct drm_device *ddev) 108f3ba9122SRob Herring { 109f3ba9122SRob Herring return ddev->dev_private; 110f3ba9122SRob Herring } 111f3ba9122SRob Herring 112f3ba9122SRob Herring static inline int panfrost_model_cmp(struct panfrost_device *pfdev, s32 id) 113f3ba9122SRob Herring { 114f3ba9122SRob Herring s32 match_id = pfdev->features.id; 115f3ba9122SRob Herring 116f3ba9122SRob Herring if (match_id & 0xf000) 117f3ba9122SRob Herring match_id &= 0xf00f; 118f3ba9122SRob Herring return match_id - id; 119f3ba9122SRob Herring } 120f3ba9122SRob Herring 1211e513480SBoris Brezillon static inline bool panfrost_model_is_bifrost(struct panfrost_device *pfdev) 1221e513480SBoris Brezillon { 1231e513480SBoris Brezillon return panfrost_model_cmp(pfdev, 0x1000) >= 0; 1241e513480SBoris Brezillon } 1251e513480SBoris Brezillon 126f3ba9122SRob Herring static inline bool panfrost_model_eq(struct panfrost_device *pfdev, s32 id) 127f3ba9122SRob Herring { 128f3ba9122SRob Herring return !panfrost_model_cmp(pfdev, id); 129f3ba9122SRob Herring } 130f3ba9122SRob Herring 13192f0ad0bSBoris Brezillon int panfrost_unstable_ioctl_check(void); 13292f0ad0bSBoris Brezillon 133f3ba9122SRob Herring int panfrost_device_init(struct panfrost_device *pfdev); 134f3ba9122SRob Herring void panfrost_device_fini(struct panfrost_device *pfdev); 13573e467f6SRob Herring void panfrost_device_reset(struct panfrost_device *pfdev); 136f3ba9122SRob Herring 137f3ba9122SRob Herring int panfrost_device_resume(struct device *dev); 138f3ba9122SRob Herring int panfrost_device_suspend(struct device *dev); 139f3ba9122SRob Herring 140f3ba9122SRob Herring const char *panfrost_exception_name(struct panfrost_device *pfdev, u32 exception_code); 141f3ba9122SRob Herring 142f3ba9122SRob Herring #endif 143