cregit-Linux how code gets into the kernel

Release 4.12 include/linux/host1x.h

Directory: include/linux
/*
 * Copyright (c) 2009-2013, NVIDIA Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef __LINUX_HOST1X_H

#define __LINUX_HOST1X_H

#include <linux/device.h>
#include <linux/types.h>


enum host1x_class {
	
HOST1X_CLASS_HOST1X = 0x1,
	
HOST1X_CLASS_GR2D = 0x51,
	
HOST1X_CLASS_GR2D_SB = 0x52,
	
HOST1X_CLASS_VIC = 0x5D,
	
HOST1X_CLASS_GR3D = 0x60,
};

struct host1x_client;


struct host1x_client_ops {
	
int (*init)(struct host1x_client *client);
	
int (*exit)(struct host1x_client *client);
};


struct host1x_client {
	
struct list_head list;
	
struct device *parent;
	
struct device *dev;

	
const struct host1x_client_ops *ops;

	
enum host1x_class class;
	
struct host1x_channel *channel;

	
struct host1x_syncpt **syncpts;
	
unsigned int num_syncpts;
};

/*
 * host1x buffer objects
 */

struct host1x_bo;
struct sg_table;


struct host1x_bo_ops {
	
struct host1x_bo *(*get)(struct host1x_bo *bo);
	
void (*put)(struct host1x_bo *bo);
	
dma_addr_t (*pin)(struct host1x_bo *bo, struct sg_table **sgt);
	
void (*unpin)(struct host1x_bo *bo, struct sg_table *sgt);
	
void *(*mmap)(struct host1x_bo *bo);
	
void (*munmap)(struct host1x_bo *bo, void *addr);
	
void *(*kmap)(struct host1x_bo *bo, unsigned int pagenum);
	
void (*kunmap)(struct host1x_bo *bo, unsigned int pagenum, void *addr);
};


struct host1x_bo {
	
const struct host1x_bo_ops *ops;
};


static inline void host1x_bo_init(struct host1x_bo *bo, const struct host1x_bo_ops *ops) { bo->ops = ops; }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding24100.00%1100.00%
Total24100.00%1100.00%


static inline struct host1x_bo *host1x_bo_get(struct host1x_bo *bo) { return bo->ops->get(bo); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding24100.00%1100.00%
Total24100.00%1100.00%


static inline void host1x_bo_put(struct host1x_bo *bo) { bo->ops->put(bo); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding21100.00%1100.00%
Total21100.00%1100.00%


static inline dma_addr_t host1x_bo_pin(struct host1x_bo *bo, struct sg_table **sgt) { return bo->ops->pin(bo, sgt); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding30100.00%1100.00%
Total30100.00%1100.00%


static inline void host1x_bo_unpin(struct host1x_bo *bo, struct sg_table *sgt) { bo->ops->unpin(bo, sgt); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding28100.00%1100.00%
Total28100.00%1100.00%


static inline void *host1x_bo_mmap(struct host1x_bo *bo) { return bo->ops->mmap(bo); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding23100.00%1100.00%
Total23100.00%1100.00%


static inline void host1x_bo_munmap(struct host1x_bo *bo, void *addr) { bo->ops->munmap(bo, addr); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding27100.00%1100.00%
Total27100.00%1100.00%


static inline void *host1x_bo_kmap(struct host1x_bo *bo, unsigned int pagenum) { return bo->ops->kmap(bo, pagenum); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding29100.00%1100.00%
Total29100.00%1100.00%


static inline void host1x_bo_kunmap(struct host1x_bo *bo, unsigned int pagenum, void *addr) { bo->ops->kunmap(bo, pagenum, addr); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding33100.00%1100.00%
Total33100.00%1100.00%

/* * host1x syncpoints */ #define HOST1X_SYNCPT_CLIENT_MANAGED (1 << 0) #define HOST1X_SYNCPT_HAS_BASE (1 << 1) struct host1x_syncpt_base; struct host1x_syncpt; struct host1x; struct host1x_syncpt *host1x_syncpt_get(struct host1x *host, u32 id); u32 host1x_syncpt_id(struct host1x_syncpt *sp); u32 host1x_syncpt_read_min(struct host1x_syncpt *sp); u32 host1x_syncpt_read_max(struct host1x_syncpt *sp); u32 host1x_syncpt_read(struct host1x_syncpt *sp); int host1x_syncpt_incr(struct host1x_syncpt *sp); u32 host1x_syncpt_incr_max(struct host1x_syncpt *sp, u32 incrs); int host1x_syncpt_wait(struct host1x_syncpt *sp, u32 thresh, long timeout, u32 *value); struct host1x_syncpt *host1x_syncpt_request(struct device *dev, unsigned long flags); void host1x_syncpt_free(struct host1x_syncpt *sp); struct host1x_syncpt_base *host1x_syncpt_get_base(struct host1x_syncpt *sp); u32 host1x_syncpt_base_id(struct host1x_syncpt_base *base); /* * host1x channel */ struct host1x_channel; struct host1x_job; struct host1x_channel *host1x_channel_request(struct device *dev); void host1x_channel_free(struct host1x_channel *channel); struct host1x_channel *host1x_channel_get(struct host1x_channel *channel); void host1x_channel_put(struct host1x_channel *channel); int host1x_job_submit(struct host1x_job *job); /* * host1x job */ struct host1x_reloc { struct { struct host1x_bo *bo; unsigned long offset; } cmdbuf; struct { struct host1x_bo *bo; unsigned long offset; } target; unsigned long shift; }; 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; }; struct host1x_job *host1x_job_alloc(struct host1x_channel *ch, u32 num_cmdbufs, u32 num_relocs, u32 num_waitchks); void host1x_job_add_gather(struct host1x_job *job, struct host1x_bo *mem_id, u32 words, u32 offset); struct host1x_job *host1x_job_get(struct host1x_job *job); void host1x_job_put(struct host1x_job *job); int host1x_job_pin(struct host1x_job *job, struct device *dev); void host1x_job_unpin(struct host1x_job *job); /* * subdevice probe infrastructure */ struct host1x_device; struct host1x_driver { struct device_driver driver; const struct of_device_id *subdevs; struct list_head list; int (*probe)(struct host1x_device *device); int (*remove)(struct host1x_device *device); void (*shutdown)(struct host1x_device *device); };
static inline struct host1x_driver * to_host1x_driver(struct device_driver *driver) { return container_of(driver, struct host1x_driver, driver); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding25100.00%1100.00%
Total25100.00%1100.00%

int host1x_driver_register_full(struct host1x_driver *driver, struct module *owner); void host1x_driver_unregister(struct host1x_driver *driver); #define host1x_driver_register(driver) \ host1x_driver_register_full(driver, THIS_MODULE) struct host1x_device { struct host1x_driver *driver; struct list_head list; struct device dev; struct mutex subdevs_lock; struct list_head subdevs; struct list_head active; struct mutex clients_lock; struct list_head clients; bool registered; };
static inline struct host1x_device *to_host1x_device(struct device *dev) { return container_of(dev, struct host1x_device, dev); }

Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding25100.00%1100.00%
Total25100.00%1100.00%

int host1x_device_init(struct host1x_device *device); int host1x_device_exit(struct host1x_device *device); int host1x_client_register(struct host1x_client *client); int host1x_client_unregister(struct host1x_client *client); struct tegra_mipi_device; struct tegra_mipi_device *tegra_mipi_request(struct device *device); void tegra_mipi_free(struct tegra_mipi_device *device); int tegra_mipi_enable(struct tegra_mipi_device *device); int tegra_mipi_disable(struct tegra_mipi_device *device); int tegra_mipi_calibrate(struct tegra_mipi_device *device); #endif

Overall Contributors

PersonTokensPropCommitsCommitProp
Thierry Reding119095.97%1173.33%
Arto Merilainen383.06%320.00%
Bryan Wu120.97%16.67%
Total1240100.00%15100.00%
Directory: include/linux
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.