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 87282f764SRob Herring #include <linux/atomic.h> 97282f764SRob Herring #include <linux/io-pgtable.h> 103e1399bcSNicolas Boichat #include <linux/regulator/consumer.h> 11f3ba9122SRob Herring #include <linux/spinlock.h> 12f3ba9122SRob Herring #include <drm/drm_device.h> 13f3ba9122SRob Herring #include <drm/drm_mm.h> 14f3ba9122SRob Herring #include <drm/gpu_scheduler.h> 15f3ba9122SRob Herring 16f3ba9122SRob Herring struct panfrost_device; 17f3ba9122SRob Herring struct panfrost_mmu; 18f3ba9122SRob Herring struct panfrost_job_slot; 19f3ba9122SRob Herring struct panfrost_job; 207786fd10SBoris Brezillon struct panfrost_perfcnt; 21f3ba9122SRob Herring 22f3ba9122SRob Herring #define NUM_JOB_SLOTS 3 233e1399bcSNicolas Boichat #define MAX_REGULATORS 2 24f3ba9122SRob Herring 25f3ba9122SRob Herring struct panfrost_features { 26f3ba9122SRob Herring u16 id; 27f3ba9122SRob Herring u16 revision; 28f3ba9122SRob Herring 29f3ba9122SRob Herring u64 shader_present; 30f3ba9122SRob Herring u64 tiler_present; 31f3ba9122SRob Herring u64 l2_present; 32f3ba9122SRob Herring u64 stack_present; 33f3ba9122SRob Herring u32 as_present; 34f3ba9122SRob Herring u32 js_present; 35f3ba9122SRob Herring 36f3ba9122SRob Herring u32 l2_features; 37f3ba9122SRob Herring u32 core_features; 38f3ba9122SRob Herring u32 tiler_features; 39f3ba9122SRob Herring u32 mem_features; 40f3ba9122SRob Herring u32 mmu_features; 41f3ba9122SRob Herring u32 thread_features; 42f3ba9122SRob Herring u32 max_threads; 43f3ba9122SRob Herring u32 thread_max_workgroup_sz; 44f3ba9122SRob Herring u32 thread_max_barrier_sz; 45f3ba9122SRob Herring u32 coherency_features; 46f3ba9122SRob Herring u32 texture_features[4]; 47f3ba9122SRob Herring u32 js_features[16]; 48f3ba9122SRob Herring 49f3ba9122SRob Herring u32 nr_core_groups; 504bced8beSSteven Price u32 thread_tls_alloc; 51f3ba9122SRob Herring 52f3ba9122SRob Herring unsigned long hw_features[64 / BITS_PER_LONG]; 53f3ba9122SRob Herring unsigned long hw_issues[64 / BITS_PER_LONG]; 54f3ba9122SRob Herring }; 55f3ba9122SRob Herring 563e1399bcSNicolas Boichat /* 573e1399bcSNicolas Boichat * Features that cannot be automatically detected and need matching using the 583e1399bcSNicolas Boichat * compatible string, typically SoC-specific. 593e1399bcSNicolas Boichat */ 603e1399bcSNicolas Boichat struct panfrost_compatible { 613e1399bcSNicolas Boichat /* Supplies count and names. */ 623e1399bcSNicolas Boichat int num_supplies; 633e1399bcSNicolas Boichat const char * const *supply_names; 643e1399bcSNicolas Boichat }; 653e1399bcSNicolas Boichat 66f3ba9122SRob Herring struct panfrost_device { 67f3ba9122SRob Herring struct device *dev; 68f3ba9122SRob Herring struct drm_device *ddev; 69f3ba9122SRob Herring struct platform_device *pdev; 70f3ba9122SRob Herring 71f3ba9122SRob Herring void __iomem *iomem; 72f3ba9122SRob Herring struct clk *clock; 73b681af0bSClément Péron struct clk *bus_clock; 743e1399bcSNicolas Boichat struct regulator_bulk_data regulators[MAX_REGULATORS]; 75f3ba9122SRob Herring struct reset_control *rstc; 76f3ba9122SRob Herring 77f3ba9122SRob Herring struct panfrost_features features; 783e1399bcSNicolas Boichat const struct panfrost_compatible *comp; 79f3ba9122SRob Herring 807282f764SRob Herring spinlock_t as_lock; 817282f764SRob Herring unsigned long as_in_use_mask; 827282f764SRob Herring unsigned long as_alloc_mask; 837282f764SRob Herring struct list_head as_lru_list; 847282f764SRob Herring 85f3ba9122SRob Herring struct panfrost_job_slot *js; 86f3ba9122SRob Herring 87f3ba9122SRob Herring struct panfrost_job *jobs[NUM_JOB_SLOTS]; 88f3ba9122SRob Herring struct list_head scheduled_jobs; 89f3ba9122SRob Herring 907786fd10SBoris Brezillon struct panfrost_perfcnt *perfcnt; 917786fd10SBoris Brezillon 92f3ba9122SRob Herring struct mutex sched_lock; 93aa202367STomeu Vizoso struct mutex reset_lock; 94f3ba9122SRob Herring 95013b6510SRob Herring struct mutex shrinker_lock; 96013b6510SRob Herring struct list_head shrinker_list; 97013b6510SRob Herring struct shrinker shrinker; 98013b6510SRob Herring 99f3ba9122SRob Herring struct { 100f3ba9122SRob Herring struct devfreq *devfreq; 101f3ba9122SRob Herring struct thermal_cooling_device *cooling; 1029e62b885SSteven Price ktime_t busy_time; 1039e62b885SSteven Price ktime_t idle_time; 1049e62b885SSteven Price ktime_t time_last_update; 1059e62b885SSteven Price atomic_t busy_count; 106f3ba9122SRob Herring } devfreq; 107f3ba9122SRob Herring }; 108f3ba9122SRob Herring 1097282f764SRob Herring struct panfrost_mmu { 1107282f764SRob Herring struct io_pgtable_cfg pgtbl_cfg; 1117282f764SRob Herring struct io_pgtable_ops *pgtbl_ops; 1127282f764SRob Herring int as; 1137282f764SRob Herring atomic_t as_count; 1147282f764SRob Herring struct list_head list; 1157282f764SRob Herring }; 1167282f764SRob Herring 117f3ba9122SRob Herring struct panfrost_file_priv { 118f3ba9122SRob Herring struct panfrost_device *pfdev; 119f3ba9122SRob Herring 120f3ba9122SRob Herring struct drm_sched_entity sched_entity[NUM_JOB_SLOTS]; 1217282f764SRob Herring 1227282f764SRob Herring struct panfrost_mmu mmu; 1237282f764SRob Herring struct drm_mm mm; 1247282f764SRob Herring spinlock_t mm_lock; 125f3ba9122SRob Herring }; 126f3ba9122SRob Herring 127f3ba9122SRob Herring static inline struct panfrost_device *to_panfrost_device(struct drm_device *ddev) 128f3ba9122SRob Herring { 129f3ba9122SRob Herring return ddev->dev_private; 130f3ba9122SRob Herring } 131f3ba9122SRob Herring 132f3ba9122SRob Herring static inline int panfrost_model_cmp(struct panfrost_device *pfdev, s32 id) 133f3ba9122SRob Herring { 134f3ba9122SRob Herring s32 match_id = pfdev->features.id; 135f3ba9122SRob Herring 136f3ba9122SRob Herring if (match_id & 0xf000) 137f3ba9122SRob Herring match_id &= 0xf00f; 138f3ba9122SRob Herring return match_id - id; 139f3ba9122SRob Herring } 140f3ba9122SRob Herring 1411e513480SBoris Brezillon static inline bool panfrost_model_is_bifrost(struct panfrost_device *pfdev) 1421e513480SBoris Brezillon { 1431e513480SBoris Brezillon return panfrost_model_cmp(pfdev, 0x1000) >= 0; 1441e513480SBoris Brezillon } 1451e513480SBoris Brezillon 146f3ba9122SRob Herring static inline bool panfrost_model_eq(struct panfrost_device *pfdev, s32 id) 147f3ba9122SRob Herring { 148f3ba9122SRob Herring return !panfrost_model_cmp(pfdev, id); 149f3ba9122SRob Herring } 150f3ba9122SRob Herring 15192f0ad0bSBoris Brezillon int panfrost_unstable_ioctl_check(void); 15292f0ad0bSBoris Brezillon 153f3ba9122SRob Herring int panfrost_device_init(struct panfrost_device *pfdev); 154f3ba9122SRob Herring void panfrost_device_fini(struct panfrost_device *pfdev); 15573e467f6SRob Herring void panfrost_device_reset(struct panfrost_device *pfdev); 156f3ba9122SRob Herring 157f3ba9122SRob Herring int panfrost_device_resume(struct device *dev); 158f3ba9122SRob Herring int panfrost_device_suspend(struct device *dev); 159f3ba9122SRob Herring 160f3ba9122SRob Herring const char *panfrost_exception_name(struct panfrost_device *pfdev, u32 exception_code); 161f3ba9122SRob Herring 162f3ba9122SRob Herring #endif 163