static struct nvhost_hwctx *ctx3d_alloc(struct nvhost_channel *ch)
{
struct nvhost_hwctx *ctx;
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return NULL;
ctx->restore = nvmap_alloc(context_restore_size * 4, 32,
NVMEM_HANDLE_WRITE_COMBINE,
(void**)&ctx->save_cpu_data);
if (IS_ERR_OR_NULL(ctx->restore)) {
kfree(ctx);
return NULL;
}
setup_restore(ctx->save_cpu_data, NVWAITBASE_3D);
ctx->channel = ch;
ctx->restore_phys = nvmap_pin_single(ctx->restore);
ctx->restore_size = context_restore_size;
ctx->save = context_save_buf;
ctx->save_phys = context_save_phys;
ctx->save_size = context_save_size;
ctx->save_incrs = 3;
ctx->restore_incrs = 1;
ctx->valid = false;
kref_init(&ctx->ref);
return ctx;
}
int __init nvhost_3dctx_handler_init(struct nvhost_hwctx_handler *h)
{
setup_save(NULL, &context_save_size, &context_restore_size, 0, 0);
context_save_buf = nvmap_alloc(context_save_size * 4, 32,
NVMEM_HANDLE_WRITE_COMBINE,
(void**)&context_save_ptr);
if (IS_ERR_OR_NULL(context_save_buf))
return PTR_ERR(context_save_buf);
context_save_phys = nvmap_pin_single(context_save_buf);
setup_save(context_save_ptr, NULL, NULL, NVSYNCPT_3D, NVWAITBASE_3D);
h->init = ctx3d_init;
h->deinit = ctx3d_deinit;
h->save_service = ctx3d_save_service;
return 0;
}
static int ctx3d_init(struct nvhost_hwctx *ctx)
{
ctx->restore = nvmap_alloc(context_restore_size * 4, 32,
NVMEM_HANDLE_WRITE_COMBINE,
(void**)&ctx->save_cpu_data);
if (IS_ERR_OR_NULL(ctx->restore))
return PTR_ERR(ctx->restore);
setup_restore(ctx->save_cpu_data, NVWAITBASE_3D);
ctx->restore_phys = nvmap_pin_single(ctx->restore);
ctx->restore_size = context_restore_size;
ctx->save = context_save_buf;
ctx->save_phys = context_save_phys;
ctx->save_size = context_save_size;
ctx->save_incrs = 3;
ctx->restore_incrs = 1;
ctx->valid = false;
return 0;
}