void nvhost_3dctx_restore_direct(u32 *ptr, u32 start_reg, u32 count)
{
ptr[0] = nvhost_opcode_incr(start_reg, count);
}
static struct nvhost_hwctx *vic03_alloc_hwctx(struct nvhost_hwctx_handler *h,
struct nvhost_channel *ch)
{
struct host1x_hwctx_handler *p = to_host1x_hwctx_handler(h);
struct vic03 *v = get_vic03(ch->dev);
struct host1x_hwctx *ctx;
u32 *ptr;
u32 syncpt = nvhost_get_devdata(ch->dev)->syncpts[0];
u32 nvhost_vic03_restore_size = 10; /* number of words written below */
nvhost_dbg_fn("");
ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return NULL;
ctx->restore_size = nvhost_vic03_restore_size;
ctx->cpuva = dma_alloc_writecombine(&ch->dev->dev,
ctx->restore_size * 4,
&ctx->iova,
GFP_KERNEL);
if (!ctx->cpuva) {
dev_err(&ch->dev->dev, "memory allocation failed\n");
goto fail;
}
ptr = ctx->cpuva;
/* set app id, fce ucode size, offset */
ptr[0] = nvhost_opcode_incr(VIC_UCLASS_METHOD_OFFSET, 2);
ptr[1] = NVA0B6_VIDEO_COMPOSITOR_SET_APPLICATION_ID >> 2;
ptr[2] = 1;
ptr[3] = nvhost_opcode_incr(VIC_UCLASS_METHOD_OFFSET, 2);
ptr[4] = NVA0B6_VIDEO_COMPOSITOR_SET_FCE_UCODE_SIZE >> 2;
ptr[5] = v->ucode.fce.size;
ptr[6] = nvhost_opcode_incr(VIC_UCLASS_METHOD_OFFSET, 2);
ptr[7] = NVA0B6_VIDEO_COMPOSITOR_SET_FCE_UCODE_OFFSET >> 2;
ptr[8] = (v->ucode.dma_addr + v->ucode.fce.data_offset) >> 8;
/* syncpt increment to track restore gather. */
ptr[9] = nvhost_opcode_imm_incr_syncpt(
host1x_uclass_incr_syncpt_cond_op_done_v(),
syncpt);
kref_init(&ctx->hwctx.ref);
ctx->hwctx.h = &p->h;
ctx->hwctx.channel = ch;
ctx->hwctx.valid = true; /* this is a preconditioning sequence... */
ctx->hwctx.save_incrs = 0;
ctx->hwctx.save_slots = 0;
ctx->hwctx.restore_incrs = 1;
return &ctx->hwctx;
fail:
kfree(ctx);
return NULL;
}