ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/sound/soc/meson/axg-tdm.h b/marvell/linux/sound/soc/meson/axg-tdm.h
new file mode 100644
index 0000000..5774ce0
--- /dev/null
+++ b/marvell/linux/sound/soc/meson/axg-tdm.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR MIT)
+ *
+ * Copyright (c) 2018 Baylibre SAS.
+ * Author: Jerome Brunet <jbrunet@baylibre.com>
+ */
+
+#ifndef _MESON_AXG_TDM_H
+#define _MESON_AXG_TDM_H
+
+#include <linux/clk.h>
+#include <linux/regmap.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dai.h>
+
+#define AXG_TDM_NUM_LANES 4
+#define AXG_TDM_CHANNEL_MAX 128
+#define AXG_TDM_RATES (SNDRV_PCM_RATE_5512 | \
+ SNDRV_PCM_RATE_8000_192000)
+#define AXG_TDM_FORMATS (SNDRV_PCM_FMTBIT_S8 | \
+ SNDRV_PCM_FMTBIT_S16_LE | \
+ SNDRV_PCM_FMTBIT_S20_LE | \
+ SNDRV_PCM_FMTBIT_S24_LE | \
+ SNDRV_PCM_FMTBIT_S32_LE)
+
+struct axg_tdm_iface {
+ struct clk *sclk;
+ struct clk *lrclk;
+ struct clk *mclk;
+ unsigned long mclk_rate;
+
+ /* format is common to all the DAIs of the iface */
+ unsigned int fmt;
+ unsigned int slots;
+ unsigned int slot_width;
+
+ /* For component wide symmetry */
+ int rate;
+};
+
+static inline bool axg_tdm_lrclk_invert(unsigned int fmt)
+{
+ return ((fmt & SND_SOC_DAIFMT_FORMAT_MASK) == SND_SOC_DAIFMT_I2S) ^
+ !!(fmt & (SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_NB_IF));
+}
+
+static inline bool axg_tdm_sclk_invert(unsigned int fmt)
+{
+ return fmt & (SND_SOC_DAIFMT_IB_IF | SND_SOC_DAIFMT_IB_NF);
+}
+
+struct axg_tdm_stream {
+ struct axg_tdm_iface *iface;
+ struct list_head formatter_list;
+ struct mutex lock;
+ unsigned int channels;
+ unsigned int width;
+ unsigned int physical_width;
+ u32 *mask;
+ bool ready;
+};
+
+struct axg_tdm_stream *axg_tdm_stream_alloc(struct axg_tdm_iface *iface);
+void axg_tdm_stream_free(struct axg_tdm_stream *ts);
+int axg_tdm_stream_start(struct axg_tdm_stream *ts);
+void axg_tdm_stream_stop(struct axg_tdm_stream *ts);
+
+static inline int axg_tdm_stream_reset(struct axg_tdm_stream *ts)
+{
+ axg_tdm_stream_stop(ts);
+ return axg_tdm_stream_start(ts);
+}
+
+int axg_tdm_set_tdm_slots(struct snd_soc_dai *dai, u32 *tx_mask,
+ u32 *rx_mask, unsigned int slots,
+ unsigned int slot_width);
+
+#endif /* _MESON_AXG_TDM_H */