/* flags */
#define RSND_SSI_CLK_PIN_SHARE (1 << 0)
#define RSND_SSI_NO_BUSIF (1 << 1) /* SSI+DMA without BUSIF */
-#define RSND_SSI_HDMI0 (1 << 2) /* for HDMI0 */
-#define RSND_SSI_HDMI1 (1 << 3) /* for HDMI1 */
-#define RSND_SSI_PROBED (1 << 4)
+#define RSND_SSI_PROBED (1 << 2)
#define for_each_rsnd_ssi(pos, priv, i) \
for (i = 0; \
(rsnd_ssi_run_mods(io) & (1 << rsnd_mod_id(mod)))
#define rsnd_ssi_can_output_clk(mod) (!__rsnd_ssi_is_pin_sharing(mod))
-int rsnd_ssi_hdmi_port(struct rsnd_dai_stream *io)
-{
- struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
- struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
-
- if (rsnd_flags_has(ssi, RSND_SSI_HDMI0))
- return RSND_SSI_HDMI_PORT0;
-
- if (rsnd_flags_has(ssi, RSND_SSI_HDMI1))
- return RSND_SSI_HDMI_PORT1;
-
- return 0;
-}
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod);
int rsnd_ssi_use_busif(struct rsnd_dai_stream *io)
{
return use_busif;
}
-int rsnd_ssi_get_busif(struct rsnd_dai_stream *io)
-{
- return 0; /* BUSIF0 only for now */
-}
-
static void rsnd_ssi_status_clear(struct rsnd_mod *mod)
{
rsnd_mod_write(mod, SSISR, 0);
udelay(5);
}
- dev_warn(dev, "%s[%d] status check failed\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
+ dev_warn(dev, "%s status check failed\n", rsnd_mod_name(mod));
}
static u32 rsnd_ssi_multi_slaves(struct rsnd_dai_stream *io)
u32 rsnd_ssi_multi_slaves_runtime(struct rsnd_dai_stream *io)
{
- if (rsnd_runtime_is_ssi_multi(io))
+ if (rsnd_runtime_is_multi_ssi(io))
return rsnd_ssi_multi_slaves(io);
return 0;
return 0;
}
+ if (rsnd_runtime_is_tdm_split(io))
+ chan = rsnd_io_converted_chan(io);
+
main_rate = rsnd_ssi_clk_query(rdai, rate, chan, &idx);
if (!main_rate) {
dev_err(dev, "unsupported clock rate\n");
ssi->rate = rate;
ssi->chan = chan;
- dev_dbg(dev, "%s[%d] outputs %u Hz\n",
- rsnd_mod_name(mod),
- rsnd_mod_id(mod), rate);
+ dev_dbg(dev, "%s outputs %d chan %u Hz\n",
+ rsnd_mod_name(mod), chan, rate);
return 0;
}
struct rsnd_dai_stream *io)
{
struct rsnd_dai *rdai = rsnd_io_to_rdai(io);
+ struct rsnd_priv *priv = rsnd_rdai_to_priv(rdai);
+ struct device *dev = rsnd_priv_to_dev(priv);
struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
u32 cr_own = ssi->cr_own;
u32 cr_mode = ssi->cr_mode;
u32 wsr = ssi->wsr;
- int is_tdm;
+ int width;
+ int is_tdm, is_tdm_split;
+
+ is_tdm = rsnd_runtime_is_tdm(io);
+ is_tdm_split = rsnd_runtime_is_tdm_split(io);
- is_tdm = rsnd_runtime_is_ssi_tdm(io);
+ if (is_tdm)
+ dev_dbg(dev, "TDM mode\n");
+ if (is_tdm_split)
+ dev_dbg(dev, "TDM Split mode\n");
cr_own |= FORCE | rsnd_rdai_width_to_swl(rdai);
* rsnd_ssiu_init_gen2()
*/
wsr = ssi->wsr;
- if (is_tdm) {
+ if (is_tdm || is_tdm_split) {
wsr |= WS_MODE;
cr_own |= CHNL_8;
}
cr_own |= TRMD;
cr_own &= ~DWL_MASK;
- switch (snd_pcm_format_width(runtime->format)) {
+ width = snd_pcm_format_width(runtime->format);
+ if (is_tdm_split) {
+ /*
+ * The SWL and DWL bits in SSICR should be fixed at 32-bit
+ * setting when TDM split mode.
+ * see datasheet
+ * Operation :: TDM Format Split Function (TDM Split Mode)
+ */
+ width = 32;
+ }
+
+ switch (width) {
case 8:
cr_own |= DWL_8;
break;
case 24:
cr_own |= DWL_24;
break;
+ case 32:
+ cr_own |= DWL_32;
+ break;
}
if (rsnd_ssi_is_dma_mode(mod)) {
return 0;
if (!ssi->usrcnt) {
- dev_err(dev, "%s[%d] usrcnt error\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
+ dev_err(dev, "%s usrcnt error\n", rsnd_mod_name(mod));
return -EIO;
}
/* DMA only */
if (is_dma && (status & (UIRQ | OIRQ))) {
- rsnd_dbg_irq_status(dev, "%s[%d] err status : 0x%08x\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod), status);
+ rsnd_dbg_irq_status(dev, "%s err status : 0x%08x\n",
+ rsnd_mod_name(mod), status);
stop = true;
}
return IRQ_HANDLED;
}
+static u32 *rsnd_ssi_get_status(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ enum rsnd_mod_type type)
+{
+ /*
+ * SSIP (= SSI parent) needs to be special, otherwise,
+ * 2nd SSI might doesn't start. see also rsnd_mod_call()
+ *
+ * We can't include parent SSI status on SSI, because we don't know
+ * how many SSI requests parent SSI. Thus, it is localed on "io" now.
+ * ex) trouble case
+ * Playback: SSI0
+ * Capture : SSI1 (needs SSI0)
+ *
+ * 1) start Capture -> SSI0/SSI1 are started.
+ * 2) start Playback -> SSI0 doesn't work, because it is already
+ * marked as "started" on 1)
+ *
+ * OTOH, using each mod's status is good for MUX case.
+ * It doesn't need to start in 2nd start
+ * ex)
+ * IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
+ * |
+ * IO-1: SRC1 -> CTU2 -+
+ *
+ * 1) start IO-0 -> start SSI0
+ * 2) start IO-1 -> SSI0 doesn't need to start, because it is
+ * already started on 1)
+ */
+ if (type == RSND_MOD_SSIP)
+ return &io->parent_ssi_status;
+
+ return rsnd_mod_get_status(mod, io, type);
+}
+
/*
* SSI PIO
*/
{
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_ssi *ssi = rsnd_mod_to_ssi(mod);
- int ret;
+ int ret = 0;
/*
* SSIP/SSIU/IRQ are not needed on
* see rsnd_ssi_pcm_new()
*/
- ret = rsnd_ssiu_attach(io, mod);
- if (ret < 0)
- return ret;
-
/*
* SSI might be called again as PIO fallback
* It is easy to manual handling for IRQ request/free
}
static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
- .name = SSI_NAME,
- .probe = rsnd_ssi_common_probe,
- .remove = rsnd_ssi_common_remove,
- .init = rsnd_ssi_pio_init,
- .quit = rsnd_ssi_quit,
- .start = rsnd_ssi_start,
- .stop = rsnd_ssi_stop,
- .irq = rsnd_ssi_irq,
- .pointer = rsnd_ssi_pio_pointer,
- .pcm_new = rsnd_ssi_pcm_new,
- .hw_params = rsnd_ssi_hw_params,
- .prepare = rsnd_ssi_prepare,
+ .name = SSI_NAME,
+ .probe = rsnd_ssi_common_probe,
+ .remove = rsnd_ssi_common_remove,
+ .init = rsnd_ssi_pio_init,
+ .quit = rsnd_ssi_quit,
+ .start = rsnd_ssi_start,
+ .stop = rsnd_ssi_stop,
+ .irq = rsnd_ssi_irq,
+ .pointer = rsnd_ssi_pio_pointer,
+ .pcm_new = rsnd_ssi_pcm_new,
+ .hw_params = rsnd_ssi_hw_params,
+ .prepare = rsnd_ssi_prepare,
+ .get_status = rsnd_ssi_get_status,
};
static int rsnd_ssi_dma_probe(struct rsnd_mod *mod,
*/
mod->ops = &rsnd_ssi_pio_ops;
- dev_info(dev, "%s[%d] fallback to PIO mode\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
+ dev_info(dev, "%s fallback to PIO mode\n", rsnd_mod_name(mod));
return 0;
}
int is_play = rsnd_io_is_play(io);
char *name;
+ /*
+ * It should use "rcar_sound,ssiu" on DT.
+ * But, we need to keep compatibility for old version.
+ *
+ * If it has "rcar_sound.ssiu", it will be used.
+ * If not, "rcar_sound.ssi" will be used.
+ * see
+ * rsnd_ssiu_dma_req()
+ * rsnd_dma_of_path()
+ */
+
if (rsnd_ssi_use_busif(io))
name = is_play ? "rxu" : "txu";
else
}
static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
- .name = SSI_NAME,
- .dma_req = rsnd_ssi_dma_req,
- .probe = rsnd_ssi_dma_probe,
- .remove = rsnd_ssi_common_remove,
- .init = rsnd_ssi_init,
- .quit = rsnd_ssi_quit,
- .start = rsnd_ssi_start,
- .stop = rsnd_ssi_stop,
- .irq = rsnd_ssi_irq,
- .pcm_new = rsnd_ssi_pcm_new,
- .fallback = rsnd_ssi_fallback,
- .hw_params = rsnd_ssi_hw_params,
- .prepare = rsnd_ssi_prepare,
+ .name = SSI_NAME,
+ .dma_req = rsnd_ssi_dma_req,
+ .probe = rsnd_ssi_dma_probe,
+ .remove = rsnd_ssi_common_remove,
+ .init = rsnd_ssi_init,
+ .quit = rsnd_ssi_quit,
+ .start = rsnd_ssi_start,
+ .stop = rsnd_ssi_stop,
+ .irq = rsnd_ssi_irq,
+ .pcm_new = rsnd_ssi_pcm_new,
+ .fallback = rsnd_ssi_fallback,
+ .hw_params = rsnd_ssi_hw_params,
+ .prepare = rsnd_ssi_prepare,
+ .get_status = rsnd_ssi_get_status,
};
-int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
+static int rsnd_ssi_is_dma_mode(struct rsnd_mod *mod)
{
return mod->ops == &rsnd_ssi_dma_ops;
}
-
/*
* ssi mod function
*/
of_node_put(node);
}
-static void __rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
- struct rsnd_dai_stream *io,
- struct device_node *remote_ep)
-{
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_mod *mod = rsnd_io_to_mod_ssi(io);
- struct rsnd_ssi *ssi;
- struct device_node *remote_node = of_graph_get_port_parent(remote_ep);
-
- /* support Gen3 only */
- if (!rsnd_is_gen3(priv))
- return;
-
- if (!mod)
- return;
-
- ssi = rsnd_mod_to_ssi(mod);
-
- /* HDMI0 */
- if (strstr(remote_node->full_name, "hdmi@fead0000")) {
- rsnd_flags_set(ssi, RSND_SSI_HDMI0);
- dev_dbg(dev, "%s[%d] connected to HDMI0\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
- }
-
- /* HDMI1 */
- if (strstr(remote_node->full_name, "hdmi@feae0000")) {
- rsnd_flags_set(ssi, RSND_SSI_HDMI1);
- dev_dbg(dev, "%s[%d] connected to HDMI1\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
- }
-}
-
-void rsnd_ssi_parse_hdmi_connection(struct rsnd_priv *priv,
- struct device_node *endpoint,
- int dai_i)
-{
- struct rsnd_dai *rdai = rsnd_rdai_get(priv, dai_i);
- struct device_node *remote_ep;
-
- remote_ep = of_graph_get_remote_endpoint(endpoint);
- if (!remote_ep)
- return;
-
- __rsnd_ssi_parse_hdmi_connection(priv, &rdai->playback, remote_ep);
- __rsnd_ssi_parse_hdmi_connection(priv, &rdai->capture, remote_ep);
-}
-
struct rsnd_mod *rsnd_ssi_mod_get(struct rsnd_priv *priv, int id)
{
if (WARN_ON(id < 0 || id >= rsnd_ssi_nr(priv)))
return !!(rsnd_flags_has(rsnd_mod_to_ssi(mod), RSND_SSI_CLK_PIN_SHARE));
}
-static u32 *rsnd_ssi_get_status(struct rsnd_dai_stream *io,
- struct rsnd_mod *mod,
- enum rsnd_mod_type type)
-{
- /*
- * SSIP (= SSI parent) needs to be special, otherwise,
- * 2nd SSI might doesn't start. see also rsnd_mod_call()
- *
- * We can't include parent SSI status on SSI, because we don't know
- * how many SSI requests parent SSI. Thus, it is localed on "io" now.
- * ex) trouble case
- * Playback: SSI0
- * Capture : SSI1 (needs SSI0)
- *
- * 1) start Capture -> SSI0/SSI1 are started.
- * 2) start Playback -> SSI0 doesn't work, because it is already
- * marked as "started" on 1)
- *
- * OTOH, using each mod's status is good for MUX case.
- * It doesn't need to start in 2nd start
- * ex)
- * IO-0: SRC0 -> CTU1 -+-> MUX -> DVC -> SSIU -> SSI0
- * |
- * IO-1: SRC1 -> CTU2 -+
- *
- * 1) start IO-0 -> start SSI0
- * 2) start IO-1 -> SSI0 doesn't need to start, because it is
- * already started on 1)
- */
- if (type == RSND_MOD_SSIP)
- return &io->parent_ssi_status;
-
- return rsnd_mod_get_status(io, mod, type);
-}
-
int rsnd_ssi_probe(struct rsnd_priv *priv)
{
struct device_node *node;
ops = &rsnd_ssi_dma_ops;
ret = rsnd_mod_init(priv, rsnd_mod_get(ssi), ops, clk,
- rsnd_ssi_get_status, RSND_MOD_SSI, i);
+ RSND_MOD_SSI, i);
if (ret) {
of_node_put(np);
goto rsnd_ssi_probe_done;
projects / linux-2.6-block.git / blobdiff