diff options
Diffstat (limited to 'sound/soc/sh/rcar/src.c')
| -rw-r--r-- | sound/soc/sh/rcar/src.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/sound/soc/sh/rcar/src.c b/sound/soc/sh/rcar/src.c index 585ffba0244b..f832165e46bc 100644 --- a/sound/soc/sh/rcar/src.c +++ b/sound/soc/sh/rcar/src.c @@ -6,9 +6,18 @@ // Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> /* + * You can use Synchronous Sampling Rate Convert (if no DVC) + * + * amixer set "SRC Out Rate" on + * aplay xxx.wav & + * amixer set "SRC Out Rate" 96000 // convert rate to 96000Hz + * amixer set "SRC Out Rate" 22050 // convert rate to 22050Hz + */ + +/* * you can enable below define if you don't need * SSI interrupt status debug message when debugging - * see rsnd_dbg_irq_status() + * see rsnd_print_irq_status() * * #define RSND_DEBUG_NO_IRQ_STATUS 1 */ @@ -73,7 +82,7 @@ static struct dma_chan *rsnd_src_dma_req(struct rsnd_dai_stream *io, int is_play = rsnd_io_is_play(io); return rsnd_dma_request_channel(rsnd_src_of_node(priv), - mod, + SRC_NAME, mod, is_play ? "rx" : "tx"); } @@ -412,8 +421,8 @@ static bool rsnd_src_error_occurred(struct rsnd_mod *mod) status0 = rsnd_mod_read(mod, SCU_SYS_STATUS0); status1 = rsnd_mod_read(mod, SCU_SYS_STATUS1); if ((status0 & val0) || (status1 & val1)) { - rsnd_dbg_irq_status(dev, "%s err status : 0x%08x, 0x%08x\n", - rsnd_mod_name(mod), status0, status1); + rsnd_print_irq_status(dev, "%s err status : 0x%08x, 0x%08x\n", + rsnd_mod_name(mod), status0, status1); ret = true; } @@ -454,11 +463,14 @@ static int rsnd_src_init(struct rsnd_mod *mod, struct rsnd_priv *priv) { struct rsnd_src *src = rsnd_mod_to_src(mod); + int ret; /* reset sync convert_rate */ src->sync.val = 0; - rsnd_mod_power_on(mod); + ret = rsnd_mod_power_on(mod); + if (ret < 0) + return ret; rsnd_src_activation(mod); @@ -588,6 +600,25 @@ static int rsnd_src_pcm_new(struct rsnd_mod *mod, return ret; } +#ifdef CONFIG_DEBUG_FS +static void rsnd_src_debug_info(struct seq_file *m, + struct rsnd_dai_stream *io, + struct rsnd_mod *mod) +{ + rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU, + rsnd_mod_id(mod) * 0x20, 0x20); + seq_puts(m, "\n"); + rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU, + 0x1c0, 0x20); + seq_puts(m, "\n"); + rsnd_debugfs_mod_reg_show(m, mod, RSND_GEN2_SCU, + 0x200 + rsnd_mod_id(mod) * 0x40, 0x40); +} +#define DEBUG_INFO .debug_info = rsnd_src_debug_info +#else +#define DEBUG_INFO +#endif + static struct rsnd_mod_ops rsnd_src_ops = { .name = SRC_NAME, .dma_req = rsnd_src_dma_req, @@ -599,6 +630,7 @@ static struct rsnd_mod_ops rsnd_src_ops = { .irq = rsnd_src_irq, .pcm_new = rsnd_src_pcm_new, .get_status = rsnd_mod_get_status, + DEBUG_INFO }; struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id) @@ -627,7 +659,7 @@ int rsnd_src_probe(struct rsnd_priv *priv) if (!node) return 0; /* not used is not error */ - nr = of_get_child_count(node); + nr = rsnd_node_count(priv, node, SRC_NAME); if (!nr) { ret = -EINVAL; goto rsnd_src_probe_done; @@ -647,6 +679,13 @@ int rsnd_src_probe(struct rsnd_priv *priv) if (!of_device_is_available(np)) goto skip; + i = rsnd_node_fixed_index(dev, np, SRC_NAME, i); + if (i < 0) { + ret = -EINVAL; + of_node_put(np); + goto rsnd_src_probe_done; + } + src = rsnd_src_get(priv, i); snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d", |