gpu: nvgpu: move clk_arb.c to common code

Now that clk_arb.c is free of Linux'isms, move
it to the clk/ directory.

Jira VQRM-741

Change-Id: I53298c76f834322aa586781cdfd2e6031f4826a1
Signed-off-by: Sourab Gupta <sourabg@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1709651
GVS: Gerrit_Virtual_Submit
Reviewed-by: Alex Waterman <alexw@nvidia.com>
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 120 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/clk_arb.h b/drivers/gpu/nvgpu/include/nvgpu/clk_arb.h
index a5f8a7d5..c9a32cf1 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/clk_arb.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/clk_arb.h
@@ -151,6 +151,126 @@ struct nvgpu_clk_arb_target {
         u32 pstate;
 };
 
+enum clk_arb_work_item_type {
+        CLK_ARB_WORK_UPDATE_VF_TABLE,
+        CLK_ARB_WORK_UPDATE_ARB
+};
+
+struct nvgpu_clk_arb_work_item {
+        enum clk_arb_work_item_type item_type;
+        struct nvgpu_clk_arb *arb;
+        struct nvgpu_list_node worker_item;
+};
+
+struct nvgpu_clk_arb {
+        struct nvgpu_spinlock sessions_lock;
+        struct nvgpu_spinlock users_lock;
+        struct nvgpu_spinlock requests_lock;
+
+        struct nvgpu_mutex pstate_lock;
+        struct nvgpu_list_node users;
+        struct nvgpu_list_node sessions;
+        struct nvgpu_list_node requests;
+
+        struct gk20a *g;
+        int status;
+
+        struct nvgpu_clk_arb_target actual_pool[2];
+        struct nvgpu_clk_arb_target *actual;
+
+        u16 gpc2clk_default_mhz;
+        u16 mclk_default_mhz;
+        u32 voltuv_actual;
+
+        u16 gpc2clk_min, gpc2clk_max;
+        u16 mclk_min, mclk_max;
+
+        struct nvgpu_clk_arb_work_item update_vf_table_work_item;
+        struct nvgpu_clk_arb_work_item update_arb_work_item;
+
+        struct nvgpu_cond request_wq;
+
+        struct nvgpu_clk_vf_table *current_vf_table;
+        struct nvgpu_clk_vf_table vf_table_pool[2];
+        u32 vf_table_index;
+
+        u16 *mclk_f_points;
+        nvgpu_atomic_t req_nr;
+
+        u32 mclk_f_numpoints;
+        u16 *gpc2clk_f_points;
+        u32 gpc2clk_f_numpoints;
+
+        nvgpu_atomic64_t alarm_mask;
+        struct nvgpu_clk_notification_queue notification_queue;
+
+#ifdef CONFIG_DEBUG_FS
+        struct nvgpu_clk_arb_debug debug_pool[2];
+        struct nvgpu_clk_arb_debug *debug;
+        bool debugfs_set;
+#endif
+};
+
+struct nvgpu_clk_dev {
+        struct nvgpu_clk_session *session;
+        union {
+                struct nvgpu_list_node link;
+                struct nvgpu_list_node node;
+        };
+        struct nvgpu_cond readout_wq;
+        nvgpu_atomic_t poll_mask;
+        u16 gpc2clk_target_mhz;
+        u16 mclk_target_mhz;
+        u32 alarms_reported;
+        nvgpu_atomic_t enabled_mask;
+        struct nvgpu_clk_notification_queue queue;
+        u32 arb_queue_head;
+        struct nvgpu_ref refcount;
+};
+
+struct nvgpu_clk_session {
+        bool zombie;
+        struct gk20a *g;
+        struct nvgpu_ref refcount;
+        struct nvgpu_list_node link;
+        struct nvgpu_list_node targets;
+
+        struct nvgpu_spinlock session_lock;
+        struct nvgpu_clk_arb_target target_pool[2];
+        struct nvgpu_clk_arb_target *target;
+};
+
+static inline struct nvgpu_clk_session *
+nvgpu_clk_session_from_link(struct nvgpu_list_node *node)
+{
+        return (struct nvgpu_clk_session *)
+           ((uintptr_t)node - offsetof(struct nvgpu_clk_session, link));
+};
+
+static inline struct nvgpu_clk_dev *
+nvgpu_clk_dev_from_node(struct nvgpu_list_node *node)
+{
+        return (struct nvgpu_clk_dev *)
+           ((uintptr_t)node - offsetof(struct nvgpu_clk_dev, node));
+};
+
+static inline struct nvgpu_clk_dev *
+nvgpu_clk_dev_from_link(struct nvgpu_list_node *node)
+{
+        return (struct nvgpu_clk_dev *)
+           ((uintptr_t)node - offsetof(struct nvgpu_clk_dev, link));
+};
+
+static inline struct nvgpu_clk_arb_work_item *
+nvgpu_clk_arb_work_item_from_worker_item(struct nvgpu_list_node *node)
+{
+        return (struct nvgpu_clk_arb_work_item *)
+           ((uintptr_t)node - offsetof(struct nvgpu_clk_arb_work_item, worker_item));
+};
+
+void nvgpu_clk_arb_worker_enqueue(struct gk20a *g,
+                struct nvgpu_clk_arb_work_item *work_item);
+
 int nvgpu_clk_arb_init_arbiter(struct gk20a *g);
 
 int nvgpu_clk_arb_get_arbiter_clk_range(struct gk20a *g, u32 api_domain,