mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-02 06:26:39 +07:00
6579324a41
Add support for host1x client modules, and host1x channels to submit work to the clients. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
163 lines
3.7 KiB
C
163 lines
3.7 KiB
C
/*
|
|
* 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
|
|
|
|
struct host1x_job_gather {
|
|
u32 words;
|
|
dma_addr_t base;
|
|
struct host1x_bo *bo;
|
|
int offset;
|
|
bool handled;
|
|
};
|
|
|
|
struct host1x_cmdbuf {
|
|
u32 handle;
|
|
u32 offset;
|
|
u32 words;
|
|
u32 pad;
|
|
};
|
|
|
|
struct host1x_reloc {
|
|
struct host1x_bo *cmdbuf;
|
|
u32 cmdbuf_offset;
|
|
struct host1x_bo *target;
|
|
u32 target_offset;
|
|
u32 shift;
|
|
u32 pad;
|
|
};
|
|
|
|
struct host1x_waitchk {
|
|
struct host1x_bo *bo;
|
|
u32 offset;
|
|
u32 syncpt_id;
|
|
u32 thresh;
|
|
};
|
|
|
|
struct host1x_job_unpin_data {
|
|
struct host1x_bo *bo;
|
|
struct sg_table *sgt;
|
|
};
|
|
|
|
/*
|
|
* 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);
|
|
|
|
#endif
|