summaryrefslogtreecommitdiff
path: root/sound/soc/sti/uniperif.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/sti/uniperif.h')
-rw-r--r--sound/soc/sti/uniperif.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/sound/soc/sti/uniperif.h b/sound/soc/sti/uniperif.h
index 043853e093a5..a8d9e94d8041 100644
--- a/sound/soc/sti/uniperif.h
+++ b/sound/soc/sti/uniperif.h
@@ -10,6 +10,8 @@
#include <linux/regmap.h>
+#include <sound/dmaengine_pcm.h>
+
/*
* Register access macros
*/
@@ -1097,3 +1099,117 @@
UNIPERIF_DBG_STANDBY_LEFT_SP_OFFSET(ip), \
UNIPERIF_DBG_STANDBY_LEFT_SP_SHIFT(ip), \
UNIPERIF_DBG_STANDBY_LEFT_SP_MASK(ip), value)
+
+/*
+ * uniperipheral IP capabilities
+ */
+
+#define UNIPERIF_FIFO_SIZE 70 /* FIFO is 70 cells deep */
+#define UNIPERIF_FIFO_FRAMES 4 /* FDMA trigger limit in frames */
+
+/*
+ * Uniperipheral IP revisions
+ */
+enum uniperif_version {
+ SND_ST_UNIPERIF_VERSION_UNKNOWN,
+ /* SASG1 (Orly), Newman */
+ SND_ST_UNIPERIF_VERSION_C6AUD0_UNI_1_0,
+ /* SASC1, SASG2 (Orly2) */
+ SND_ST_UNIPERIF_VERSION_UNI_PLR_1_0,
+ /* SASC1, SASG2 (Orly2), TELSS, Cannes */
+ SND_ST_UNIPERIF_VERSION_UNI_RDR_1_0,
+ /* TELSS (SASC1) */
+ SND_ST_UNIPERIF_VERSION_TDM_PLR_1_0,
+ /* Cannes/Monaco */
+ SND_ST_UNIPERIF_VERSION_UNI_PLR_TOP_1_0
+};
+
+enum uniperif_type {
+ SND_ST_UNIPERIF_PLAYER_TYPE_NONE,
+ SND_ST_UNIPERIF_PLAYER_TYPE_HDMI,
+ SND_ST_UNIPERIF_PLAYER_TYPE_PCM,
+ SND_ST_UNIPERIF_PLAYER_TYPE_SPDIF
+};
+
+enum uniperif_state {
+ UNIPERIF_STATE_STOPPED,
+ UNIPERIF_STATE_STARTED,
+ UNIPERIF_STATE_STANDBY,
+ UNIPERIF_STATE_UNDERFLOW,
+ UNIPERIF_STATE_OVERFLOW = UNIPERIF_STATE_UNDERFLOW,
+ UNIPERIF_STATE_XRUN
+};
+
+enum uniperif_iec958_encoding_mode {
+ UNIPERIF_IEC958_ENCODING_MODE_PCM,
+ UNIPERIF_IEC958_ENCODING_MODE_ENCODED
+};
+
+struct uniperif_info {
+ int id; /* instance value of the uniperipheral IP */
+ enum uniperif_type player_type;
+ int underflow_enabled; /* Underflow recovery mode */
+};
+
+struct uniperif_iec958_settings {
+ enum uniperif_iec958_encoding_mode encoding_mode;
+ struct snd_aes_iec958 iec958;
+};
+
+struct uniperif {
+ /* System information */
+ struct uniperif_info *info;
+ struct device *dev;
+ int ver; /* IP version, used by register access macros */
+ struct regmap_field *clk_sel;
+
+ /* capabilities */
+ const struct snd_pcm_hardware *hw;
+
+ /* Resources */
+ struct resource *mem_region;
+ void *base;
+ unsigned long fifo_phys_address;
+ int irq;
+
+ /* Clocks */
+ struct clk *clk;
+ int mclk;
+
+ /* Runtime data */
+ enum uniperif_state state;
+
+ struct snd_pcm_substream *substream;
+
+ /* Specific to IEC958 player */
+ struct uniperif_iec958_settings stream_settings;
+
+ /*alsa ctrl*/
+ struct snd_kcontrol_new *snd_ctrls;
+ int num_ctrls;
+
+ /* dai properties */
+ unsigned int daifmt;
+
+ /* DAI callbacks */
+ const struct snd_soc_dai_ops *dai_ops;
+};
+
+struct sti_uniperiph_dai {
+ int stream;
+ struct uniperif *uni;
+ struct snd_dmaengine_dai_dma_data dma_data;
+};
+
+struct sti_uniperiph_data {
+ struct platform_device *pdev;
+ struct snd_soc_dai_driver *dai;
+ struct sti_uniperiph_dai dai_data;
+};
+
+/* uniperiph player*/
+int uni_player_init(struct platform_device *pdev,
+ struct uniperif *uni_player);
+int uni_player_resume(struct uniperif *player);
+
+#endif