Release 4.15 drivers/gpu/drm/nouveau/nvkm/subdev/instmem/nv04.c
  
  
  
/*
 * Copyright 2012 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */
#define nv04_instmem(p) container_of((p), struct nv04_instmem, base)
#include "priv.h"
#include <core/ramht.h>
struct nv04_instmem {
	
struct nvkm_instmem base;
	
struct nvkm_mm heap;
};
/******************************************************************************
 * instmem object implementation
 *****************************************************************************/
#define nv04_instobj(p) container_of((p), struct nv04_instobj, base.memory)
struct nv04_instobj {
	
struct nvkm_instobj base;
	
struct nv04_instmem *imem;
	
struct nvkm_mm_node *node;
};
static void
nv04_instobj_wr32(struct nvkm_memory *memory, u64 offset, u32 data)
{
	struct nv04_instobj *iobj = nv04_instobj(memory);
	struct nvkm_device *device = iobj->imem->base.subdev.device;
	nvkm_wr32(device, 0x700000 + iobj->node->offset + offset, data);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 59 | 100.00% | 2 | 100.00% | 
| Total | 59 | 100.00% | 2 | 100.00% | 
static u32
nv04_instobj_rd32(struct nvkm_memory *memory, u64 offset)
{
	struct nv04_instobj *iobj = nv04_instobj(memory);
	struct nvkm_device *device = iobj->imem->base.subdev.device;
	return nvkm_rd32(device, 0x700000 + iobj->node->offset + offset);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 55 | 100.00% | 2 | 100.00% | 
| Total | 55 | 100.00% | 2 | 100.00% | 
static const struct nvkm_memory_ptrs
nv04_instobj_ptrs = {
	.rd32 = nv04_instobj_rd32,
	.wr32 = nv04_instobj_wr32,
};
static void
nv04_instobj_release(struct nvkm_memory *memory)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 10 | 100.00% | 1 | 100.00% | 
| Total | 10 | 100.00% | 1 | 100.00% | 
static void __iomem *
nv04_instobj_acquire(struct nvkm_memory *memory)
{
	struct nv04_instobj *iobj = nv04_instobj(memory);
	struct nvkm_device *device = iobj->imem->base.subdev.device;
	return device->pri + 0x700000 + iobj->node->offset;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 51 | 100.00% | 5 | 100.00% | 
| Total | 51 | 100.00% | 5 | 100.00% | 
static u64
nv04_instobj_size(struct nvkm_memory *memory)
{
	return nv04_instobj(memory)->node->length;
}
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| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 21 | 100.00% | 5 | 100.00% | 
| Total | 21 | 100.00% | 5 | 100.00% | 
static u64
nv04_instobj_addr(struct nvkm_memory *memory)
{
	return nv04_instobj(memory)->node->offset;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 21 | 100.00% | 3 | 100.00% | 
| Total | 21 | 100.00% | 3 | 100.00% | 
static enum nvkm_memory_target
nv04_instobj_target(struct nvkm_memory *memory)
{
	return NVKM_MEM_TARGET_INST;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 15 | 100.00% | 2 | 100.00% | 
| Total | 15 | 100.00% | 2 | 100.00% | 
static void *
nv04_instobj_dtor(struct nvkm_memory *memory)
{
	struct nv04_instobj *iobj = nv04_instobj(memory);
	mutex_lock(&iobj->imem->base.subdev.mutex);
	nvkm_mm_free(&iobj->imem->heap, &iobj->node);
	mutex_unlock(&iobj->imem->base.subdev.mutex);
	nvkm_instobj_dtor(&iobj->imem->base, &iobj->base);
	return iobj;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 69 | 83.13% | 6 | 85.71% | 
| Kamil Dudka | 14 | 16.87% | 1 | 14.29% | 
| Total | 83 | 100.00% | 7 | 100.00% | 
static const struct nvkm_memory_func
nv04_instobj_func = {
	.dtor = nv04_instobj_dtor,
	.target = nv04_instobj_target,
	.size = nv04_instobj_size,
	.addr = nv04_instobj_addr,
	.acquire = nv04_instobj_acquire,
	.release = nv04_instobj_release,
};
static int
nv04_instobj_new(struct nvkm_instmem *base, u32 size, u32 align, bool zero,
		 struct nvkm_memory **pmemory)
{
	struct nv04_instmem *imem = nv04_instmem(base);
	struct nv04_instobj *iobj;
	int ret;
	if (!(iobj = kzalloc(sizeof(*iobj), GFP_KERNEL)))
		return -ENOMEM;
	*pmemory = &iobj->base.memory;
	nvkm_instobj_ctor(&nv04_instobj_func, &imem->base, &iobj->base);
	iobj->base.memory.ptrs = &nv04_instobj_ptrs;
	iobj->imem = imem;
	mutex_lock(&imem->base.subdev.mutex);
	ret = nvkm_mm_head(&imem->heap, 0, 1, size, size,
			   align ? align : 1, &iobj->node);
	mutex_unlock(&imem->base.subdev.mutex);
	return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 151 | 91.52% | 9 | 90.00% | 
| Kamil Dudka | 14 | 8.48% | 1 | 10.00% | 
| Total | 165 | 100.00% | 10 | 100.00% | 
/******************************************************************************
 * instmem subdev implementation
 *****************************************************************************/
static u32
nv04_instmem_rd32(struct nvkm_instmem *imem, u32 addr)
{
	return nvkm_rd32(imem->subdev.device, 0x700000 + addr);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 28 | 100.00% | 4 | 100.00% | 
| Total | 28 | 100.00% | 4 | 100.00% | 
static void
nv04_instmem_wr32(struct nvkm_instmem *imem, u32 addr, u32 data)
{
	nvkm_wr32(imem->subdev.device, 0x700000 + addr, data);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 32 | 100.00% | 4 | 100.00% | 
| Total | 32 | 100.00% | 4 | 100.00% | 
static int
nv04_instmem_oneinit(struct nvkm_instmem *base)
{
	struct nv04_instmem *imem = nv04_instmem(base);
	struct nvkm_device *device = imem->base.subdev.device;
	int ret;
	/* PRAMIN aperture maps over the end of VRAM, reserve it */
	imem->base.reserved = 512 * 1024;
	ret = nvkm_mm_init(&imem->heap, 0, 0, imem->base.reserved, 1);
	if (ret)
		return ret;
	/* 0x00000-0x10000: reserve for probable vbios image */
	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x10000, 0, false,
			      &imem->base.vbios);
	if (ret)
		return ret;
	/* 0x10000-0x18000: reserve for RAMHT */
	ret = nvkm_ramht_new(device, 0x08000, 0, NULL, &imem->base.ramht);
	if (ret)
		return ret;
	/* 0x18000-0x18800: reserve for RAMFC (enough for 32 nv30 channels) */
	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x00800, 0, true,
			      &imem->base.ramfc);
	if (ret)
		return ret;
	/* 0x18800-0x18a00: reserve for RAMRO */
	ret = nvkm_memory_new(device, NVKM_MEM_TARGET_INST, 0x00200, 0, false,
			      &imem->base.ramro);
	if (ret)
		return ret;
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 192 | 96.97% | 15 | 93.75% | 
| Younes Manton | 6 | 3.03% | 1 | 6.25% | 
| Total | 198 | 100.00% | 16 | 100.00% | 
static void *
nv04_instmem_dtor(struct nvkm_instmem *base)
{
	struct nv04_instmem *imem = nv04_instmem(base);
	nvkm_memory_unref(&imem->base.ramfc);
	nvkm_memory_unref(&imem->base.ramro);
	nvkm_ramht_del(&imem->base.ramht);
	nvkm_memory_unref(&imem->base.vbios);
	nvkm_mm_fini(&imem->heap);
	return imem;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 73 | 100.00% | 5 | 100.00% | 
| Total | 73 | 100.00% | 5 | 100.00% | 
static const struct nvkm_instmem_func
nv04_instmem = {
	.dtor = nv04_instmem_dtor,
	.oneinit = nv04_instmem_oneinit,
	.rd32 = nv04_instmem_rd32,
	.wr32 = nv04_instmem_wr32,
	.memory_new = nv04_instobj_new,
	.zero = false,
};
int
nv04_instmem_new(struct nvkm_device *device, int index,
		 struct nvkm_instmem **pimem)
{
	struct nv04_instmem *imem;
	if (!(imem = kzalloc(sizeof(*imem), GFP_KERNEL)))
		return -ENOMEM;
	nvkm_instmem_ctor(&nv04_instmem, device, index, &imem->base);
	*pimem = &imem->base;
	return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 72 | 100.00% | 1 | 100.00% | 
| Total | 72 | 100.00% | 1 | 100.00% | 
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp | 
| Ben Skeggs | 998 | 96.71% | 23 | 92.00% | 
| Kamil Dudka | 28 | 2.71% | 1 | 4.00% | 
| Younes Manton | 6 | 0.58% | 1 | 4.00% | 
| Total | 1032 | 100.00% | 25 | 100.00% | 
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