diff options
Diffstat (limited to 'drivers/video/b2r2/b2r2_core.h')
| -rw-r--r-- | drivers/video/b2r2/b2r2_core.h | 132 |
1 files changed, 9 insertions, 123 deletions
diff --git a/drivers/video/b2r2/b2r2_core.h b/drivers/video/b2r2/b2r2_core.h index 2f958751694..991dd9d9d1b 100644 --- a/drivers/video/b2r2/b2r2_core.h +++ b/drivers/video/b2r2/b2r2_core.h @@ -18,126 +18,6 @@ #include <linux/wait.h> #include <linux/workqueue.h> -/** - * enum b2r2_core_queue - Indicates the B2R2 queue that the job belongs to - * - * @B2R2_CORE_QUEUE_AQ1: Application queue 1 - * @B2R2_CORE_QUEUE_AQ2: Application queue 2 - * @B2R2_CORE_QUEUE_AQ3: Application queue 3 - * @B2R2_CORE_QUEUE_AQ4: Application queue 4 - * @B2R2_CORE_QUEUE_CQ1: Composition queue 1 - * @B2R2_CORE_QUEUE_CQ2: Composition queue 2 - * @B2R2_CORE_QUEUE_NO_OF: Number of queues - */ -enum b2r2_core_queue { - B2R2_CORE_QUEUE_AQ1 = 0, - B2R2_CORE_QUEUE_AQ2, - B2R2_CORE_QUEUE_AQ3, - B2R2_CORE_QUEUE_AQ4, - B2R2_CORE_QUEUE_CQ1, - B2R2_CORE_QUEUE_CQ2, - B2R2_CORE_QUEUE_NO_OF, -}; - -#define B2R2_NUM_APPLICATIONS_QUEUES 4 - -/** - * enum b2r2_core_job_state - Indicates the current state of the job - * - * @B2R2_CORE_JOB_IDLE: Never queued - * @B2R2_CORE_JOB_QUEUED: In queue but not started yet - * @B2R2_CORE_JOB_RUNNING: Running, executed by B2R2 - * @B2R2_CORE_JOB_DONE: Completed - * @B2R2_CORE_JOB_CANCELED: Canceled - */ -enum b2r2_core_job_state { - B2R2_CORE_JOB_IDLE = 0, - B2R2_CORE_JOB_QUEUED, - B2R2_CORE_JOB_RUNNING, - B2R2_CORE_JOB_DONE, - B2R2_CORE_JOB_CANCELED, -}; - -/** - * struct b2r2_core_job - Represents a B2R2 core job - * - * @start_sentinel: Memory overwrite guard - * - * @tag: Client value. Used by b2r2_core_job_find_first_with_tag(). - * @prio: Job priority, from -19 up to 20. Mapped to the - * B2R2 application queues. Filled in by the client. - * @first_node_address: Physical address of the first node. Filled - * in by the client. - * @last_node_address: Physical address of the last node. Filled - * in by the client. - * - * @callback: Function that will be called when the job is done. - * @acquire_resources: Function that allocates the resources needed - * to execute the job (i.e. SRAM alloc). Must not - * sleep if atomic, should fail with negative error code - * if resources not available. - * @release_resources: Function that releases the resources previously - * allocated by acquire_resources (i.e. SRAM alloc). - * @release: Function that will be called when the reference count reaches - * zero. - * - * @job_id: Unique id for this job, assigned by B2R2 core - * @job_state: The current state of the job - * @jiffies: Number of jiffies needed for this request - * - * @list: List entry element for internal list management - * @event: Wait queue event to wait for job done - * @work: Work queue structure, for callback implementation - * - * @queue: The queue that this job shall be submitted to - * @control: B2R2 Queue control - * @pace_control: For composition queue only - * @interrupt_context: Context for interrupt - * - * @end_sentinel: Memory overwrite guard - */ -struct b2r2_core_job { - u32 start_sentinel; - - /* Data to be filled in by client */ - int tag; - int prio; - u32 first_node_address; - u32 last_node_address; - void (*callback)(struct b2r2_core_job *); - int (*acquire_resources)(struct b2r2_core_job *, - bool atomic); - void (*release_resources)(struct b2r2_core_job *, - bool atomic); - void (*release)(struct b2r2_core_job *); - - /* Output data, do not modify */ - int job_id; - enum b2r2_core_job_state job_state; - unsigned long jiffies; - - /* Data below is internal to b2r2_core, do not modify */ - - /* Reference counting */ - u32 ref_count; - - /* Internal data */ - struct list_head list; - wait_queue_head_t event; - struct work_struct work; - - /* B2R2 HW data */ - enum b2r2_core_queue queue; - u32 control; - u32 pace_control; - u32 interrupt_context; - - /* Timing data */ - u32 hw_start_time; - s32 nsec_active_in_hw; - - u32 end_sentinel; -}; /** * b2r2_core_job_add() - Adds a job to B2R2 job queues @@ -147,12 +27,14 @@ struct b2r2_core_job { * release the reference. The job callback function will be always * be called after the job is done or cancelled. * + * @control: The b2r2 control entity * @job: Job to be added * * Returns 0 if OK else negative error code * */ -int b2r2_core_job_add(struct b2r2_core_job *job); +int b2r2_core_job_add(struct b2r2_control *control, + struct b2r2_core_job *job); /** * b2r2_core_job_wait() - Waits for an added job to be done. @@ -179,12 +61,14 @@ int b2r2_core_job_cancel(struct b2r2_core_job *job); * * Reference count will be increased for the found job * + * @control: The b2r2 control entity * @job_id: Job id to find * * Returns job if found, else NULL * */ -struct b2r2_core_job *b2r2_core_job_find(int job_id); +struct b2r2_core_job *b2r2_core_job_find(struct b2r2_control *control, + int job_id); /** * b2r2_core_job_find_first_with_tag() - Finds first job with given tag @@ -193,12 +77,14 @@ struct b2r2_core_job *b2r2_core_job_find(int job_id); * This function can be used to find all jobs for a client, i.e. * when cancelling all jobs for a client. * + * @control: The b2r2 control entity * @tag: Tag to find * * Returns job if found, else NULL * */ -struct b2r2_core_job *b2r2_core_job_find_first_with_tag(int tag); +struct b2r2_core_job *b2r2_core_job_find_first_with_tag( + struct b2r2_control *control, int tag); /** * b2r2_core_job_addref() - Increase the job reference count. |