diff options
Diffstat (limited to 'drivers/gpu/host1x/job.h')
| -rw-r--r-- | drivers/gpu/host1x/job.h | 150 |
1 files changed, 17 insertions, 133 deletions
diff --git a/drivers/gpu/host1x/job.h b/drivers/gpu/host1x/job.h index fba45f20458e..dad5a1946693 100644 --- a/drivers/gpu/host1x/job.h +++ b/drivers/gpu/host1x/job.h @@ -1,160 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ /* * Tegra host1x Job * * Copyright (c) 2011-2013, NVIDIA Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef __HOST1X_JOB_H #define __HOST1X_JOB_H +#include <linux/dma-direction.h> + struct host1x_job_gather { - u32 words; + unsigned int words; dma_addr_t base; struct host1x_bo *bo; - int offset; + unsigned int offset; bool handled; }; -struct host1x_cmdbuf { - u32 handle; - u32 offset; - u32 words; - u32 pad; +struct host1x_job_wait { + u32 id; + u32 threshold; + u32 next_class; + bool relative; }; -struct host1x_reloc { - struct host1x_bo *cmdbuf; - u32 cmdbuf_offset; - struct host1x_bo *target; - u32 target_offset; - u32 shift; - u32 pad; -}; +struct host1x_job_cmd { + bool is_wait; -struct host1x_waitchk { - struct host1x_bo *bo; - u32 offset; - u32 syncpt_id; - u32 thresh; + union { + struct host1x_job_gather gather; + struct host1x_job_wait wait; + }; }; struct host1x_job_unpin_data { - struct host1x_bo *bo; - struct sg_table *sgt; + struct host1x_bo_mapping *map; }; /* - * Each submit is tracked as a host1x_job. - */ -struct host1x_job { - /* When refcount goes to zero, job can be freed */ - struct kref ref; - - /* List entry */ - struct list_head list; - - /* Channel where job is submitted to */ - struct host1x_channel *channel; - - u32 client; - - /* Gathers and their memory */ - struct host1x_job_gather *gathers; - unsigned int num_gathers; - - /* Wait checks to be processed at submit time */ - struct host1x_waitchk *waitchk; - unsigned int num_waitchk; - u32 waitchk_mask; - - /* Array of handles to be pinned & unpinned */ - struct host1x_reloc *relocarray; - unsigned int num_relocs; - struct host1x_job_unpin_data *unpins; - unsigned int num_unpins; - - dma_addr_t *addr_phys; - dma_addr_t *gather_addr_phys; - dma_addr_t *reloc_addr_phys; - - /* Sync point id, number of increments and end related to the submit */ - u32 syncpt_id; - u32 syncpt_incrs; - u32 syncpt_end; - - /* Maximum time to wait for this job */ - unsigned int timeout; - - /* Index and number of slots used in the push buffer */ - unsigned int first_get; - unsigned int num_slots; - - /* Copy of gathers */ - size_t gather_copy_size; - dma_addr_t gather_copy; - u8 *gather_copy_mapped; - - /* Check if register is marked as an address reg */ - int (*is_addr_reg)(struct device *dev, u32 reg, u32 class); - - /* Request a SETCLASS to this class */ - u32 class; - - /* Add a channel wait for previous ops to complete */ - bool serialize; -}; -/* - * Allocate memory for a job. Just enough memory will be allocated to - * accomodate the submit. - */ -struct host1x_job *host1x_job_alloc(struct host1x_channel *ch, - u32 num_cmdbufs, u32 num_relocs, - u32 num_waitchks); - -/* - * Add a gather to a job. - */ -void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *mem_id, - u32 words, u32 offset); - -/* - * Increment reference going to host1x_job. - */ -struct host1x_job *host1x_job_get(struct host1x_job *job); - -/* - * Decrement reference job, free if goes to zero. - */ -void host1x_job_put(struct host1x_job *job); - -/* - * Pin memory related to job. This handles relocation of addresses to the - * host1x address space. Handles both the gather memory and any other memory - * referred to from the gather buffers. - * - * Handles also patching out host waits that would wait for an expired sync - * point value. - */ -int host1x_job_pin(struct host1x_job *job, struct device *dev); - -/* - * Unpin memory related to job. - */ -void host1x_job_unpin(struct host1x_job *job); - -/* * Dump contents of job to debug output. */ void host1x_job_dump(struct device *dev, struct host1x_job *job); |
