spin_unlock_irq(&ctx->spu->register_lock);
}
-static int spu_hw_set_mfc_query(struct spu_context * ctx, u32 mask, u32 mode)
-{
- struct spu_problem *prob = ctx->spu->problem;
- int ret;
-
- spin_lock_irq(&ctx->spu->register_lock);
- ret = -EAGAIN;
- if (in_be32(&prob->dma_querytype_RW))
- goto out;
- ret = 0;
- out_be32(&prob->dma_querymask_RW, mask);
- out_be32(&prob->dma_querytype_RW, mode);
-out:
- spin_unlock_irq(&ctx->spu->register_lock);
- return ret;
-}
-
-static u32 spu_hw_read_mfc_tagstatus(struct spu_context * ctx)
-{
- return in_be32(&ctx->spu->problem->dma_tagstatus_R);
-}
-
-static u32 spu_hw_get_mfc_free_elements(struct spu_context *ctx)
-{
- return in_be32(&ctx->spu->problem->dma_qstatus_R);
-}
-
-static int spu_hw_send_mfc_command(struct spu_context *ctx,
- struct mfc_dma_command *cmd)
-{
- u32 status;
- struct spu_problem *prob = ctx->spu->problem;
-
- spin_lock_irq(&ctx->spu->register_lock);
- out_be32(&prob->mfc_lsa_W, cmd->lsa);
- out_be64(&prob->mfc_ea_W, cmd->ea);
- out_be32(&prob->mfc_union_W.by32.mfc_size_tag32,
- cmd->size << 16 | cmd->tag);
- out_be32(&prob->mfc_union_W.by32.mfc_class_cmd32,
- cmd->class << 16 | cmd->cmd);
- status = in_be32(&prob->mfc_union_W.by32.mfc_class_cmd32);
- spin_unlock_irq(&ctx->spu->register_lock);
-
- switch (status & 0xffff) {
- case 0:
- return 0;
- case 2:
- return -EAGAIN;
- default:
- return -EINVAL;
- }
-}
-
struct spu_context_ops spu_hw_ops = {
.mbox_read = spu_hw_mbox_read,
.mbox_stat_read = spu_hw_mbox_stat_read,
.get_ls = spu_hw_get_ls,
.runcntl_write = spu_hw_runcntl_write,
.runcntl_stop = spu_hw_runcntl_stop,
- .set_mfc_query = spu_hw_set_mfc_query,
- .read_mfc_tagstatus = spu_hw_read_mfc_tagstatus,
- .get_mfc_free_elements = spu_hw_get_mfc_free_elements,
- .send_mfc_command = spu_hw_send_mfc_command,
};