static void rsnd_dmapp_start(struct rsnd_dai_stream *io, struct rsnd_dma *dma) { struct rsnd_dmapp *dmapp = rsnd_dma_to_dmapp(dma); rsnd_dmapp_write(dma, dma->src_addr, PDMASAR); rsnd_dmapp_write(dma, dma->dst_addr, PDMADAR); rsnd_dmapp_write(dma, dmapp->chcr, PDMACHCR); }
static int rsnd_dmapp_start(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { struct rsnd_dma *dma = rsnd_mod_to_dma(mod); struct rsnd_dmapp *dmapp = rsnd_dma_to_dmapp(dma); rsnd_dmapp_write(dma, dma->src_addr, PDMASAR); rsnd_dmapp_write(dma, dma->dst_addr, PDMADAR); rsnd_dmapp_write(dma, dmapp->chcr, PDMACHCR); return 0; }
static void rsnd_dmapp_stop(struct rsnd_dai_stream *io, struct rsnd_dma *dma) { int i; rsnd_dmapp_write(dma, 0, PDMACHCR); for (i = 0; i < 1024; i++) { if (0 == rsnd_dmapp_read(dma, PDMACHCR)) return; udelay(1); } }
static int rsnd_dmapp_stop(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) { struct rsnd_dma *dma = rsnd_mod_to_dma(mod); int i; rsnd_dmapp_write(dma, 0, PDMACHCR); for (i = 0; i < 1024; i++) { if (0 == rsnd_dmapp_read(dma, PDMACHCR)) return 0; udelay(1); } return -EIO; }