static u32 *setup_restore_regs_v0(u32 *ptr,
const struct hwctx_reginfo *regs,
unsigned int nr_regs)
{
const struct hwctx_reginfo *rend = regs + nr_regs;
for ( ; regs != rend; ++regs) {
u32 offset = regs->offset;
u32 count = regs->count;
u32 indoff = offset + 1;
switch (regs->type) {
case HWCTX_REGINFO_DIRECT:
nvhost_3dctx_restore_direct(ptr, offset, count);
ptr += RESTORE_DIRECT_SIZE;
break;
case HWCTX_REGINFO_INDIRECT_4X:
++indoff;
/* fall through */
case HWCTX_REGINFO_INDIRECT:
nvhost_3dctx_restore_indirect(ptr,
offset, 0, indoff, count);
ptr += RESTORE_INDIRECT_SIZE;
break;
}
ptr += count;
}
return ptr;
}
static void __init save_direct_v1(u32 *ptr, u32 start_reg, u32 count)
{
ptr[0] = nvhost_opcode_setclass(NV_GRAPHICS_3D_CLASS_ID,
AR3D_DW_MEMORY_OUTPUT_DATA, 1);
nvhost_3dctx_restore_direct(ptr + 1, start_reg, count);
ptr += RESTORE_DIRECT_SIZE;
ptr[1] = nvhost_opcode_setclass(NV_HOST1X_CLASS_ID,
NV_CLASS_HOST_INDOFF, 1);
ptr[2] = nvhost_class_host_indoff_reg_read(NV_HOST_MODULE_GR3D,
start_reg, true);
/* TODO could do this in the setclass if count < 6 */
ptr[3] = nvhost_opcode_nonincr(NV_CLASS_HOST_INDDATA, count);
}
static void save_direct_v1(u32 *ptr, u32 start_reg, u32 count)
{
ptr[0] = nvhost_opcode_setclass(NV_GRAPHICS_3D_CLASS_ID,
AR3D_DW_MEMORY_OUTPUT_DATA, 1);
nvhost_3dctx_restore_direct(ptr + 1, start_reg, count);
ptr += RESTORE_DIRECT_SIZE;
ptr[1] = nvhost_opcode_setclass(NV_HOST1X_CLASS_ID,
host1x_uclass_indoff_r(), 1);
ptr[2] = nvhost_class_host_indoff_reg_read(
host1x_uclass_indoff_indmodid_gr3d_v(),
start_reg, true);
/* TODO could do this in the setclass if count < 6 */
ptr[3] = nvhost_opcode_nonincr(host1x_uclass_inddata_r(), count);
}
