ASoC: TI WL1273 FM Radio Codec.

This is an ALSA codec for the Texas Instruments WL1273 FM Radio.

Signed-off-by: Matti J. Aaltonen <matti.j.aaltonen@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 101 insertions, 0 deletions

diff --git a/sound/soc/codecs/wl1273.h b/sound/soc/codecs/wl1273.h
new file mode 100644
index 000000000000..14ed027fdcfc
--- /dev/null
+++ b/sound/soc/codecs/wl1273.h
@@ -0,0 +1,101 @@
+/*
+ * sound/soc/codec/wl1273.h
+ *
+ * ALSA SoC WL1273 codec driver
+ *
+ * Copyright (C) Nokia Corporation
+ * Author: Matti Aaltonen <matti.j.aaltonen@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#ifndef __WL1273_CODEC_H__
+#define __WL1273_CODEC_H__
+
+/* I2S protocol, left channel first, data width 16 bits */
+#define WL1273_PCM_DEF_MODE             0x00
+
+/* Rx */
+#define WL1273_AUDIO_ENABLE_I2S         (1 << 0)
+#define WL1273_AUDIO_ENABLE_ANALOG      (1 << 1)
+
+/* Tx */
+#define WL1273_AUDIO_IO_SET_ANALOG      0
+#define WL1273_AUDIO_IO_SET_I2S         1
+
+#define WL1273_POWER_SET_OFF            0
+#define WL1273_POWER_SET_FM             (1 << 0)
+#define WL1273_POWER_SET_RDS            (1 << 1)
+#define WL1273_POWER_SET_RETENTION      (1 << 4)
+
+#define WL1273_PUPD_SET_OFF             0x00
+#define WL1273_PUPD_SET_ON              0x01
+#define WL1273_PUPD_SET_RETENTION       0x10
+
+/* I2S mode */
+#define WL1273_IS2_WIDTH_32     0x0
+#define WL1273_IS2_WIDTH_40     0x1
+#define WL1273_IS2_WIDTH_22_23  0x2
+#define WL1273_IS2_WIDTH_23_22  0x3
+#define WL1273_IS2_WIDTH_48     0x4
+#define WL1273_IS2_WIDTH_50     0x5
+#define WL1273_IS2_WIDTH_60     0x6
+#define WL1273_IS2_WIDTH_64     0x7
+#define WL1273_IS2_WIDTH_80     0x8
+#define WL1273_IS2_WIDTH_96     0x9
+#define WL1273_IS2_WIDTH_128    0xa
+#define WL1273_IS2_WIDTH        0xf
+
+#define WL1273_IS2_FORMAT_STD   (0x0 << 4)
+#define WL1273_IS2_FORMAT_LEFT  (0x1 << 4)
+#define WL1273_IS2_FORMAT_RIGHT (0x2 << 4)
+#define WL1273_IS2_FORMAT_USER  (0x3 << 4)
+
+#define WL1273_IS2_MASTER       (0x0 << 6)
+#define WL1273_IS2_SLAVEW       (0x1 << 6)
+
+#define WL1273_IS2_TRI_AFTER_SENDING    (0x0 << 7)
+#define WL1273_IS2_TRI_ALWAYS_ACTIVE    (0x1 << 7)
+
+#define WL1273_IS2_SDOWS_RR     (0x0 << 8)
+#define WL1273_IS2_SDOWS_RF     (0x1 << 8)
+#define WL1273_IS2_SDOWS_FR     (0x2 << 8)
+#define WL1273_IS2_SDOWS_FF     (0x3 << 8)
+
+#define WL1273_IS2_TRI_OPT      (0x0 << 10)
+#define WL1273_IS2_TRI_ALWAYS   (0x1 << 10)
+
+#define WL1273_IS2_RATE_48K     (0x0 << 12)
+#define WL1273_IS2_RATE_44_1K   (0x1 << 12)
+#define WL1273_IS2_RATE_32K     (0x2 << 12)
+#define WL1273_IS2_RATE_22_05K  (0x4 << 12)
+#define WL1273_IS2_RATE_16K     (0x5 << 12)
+#define WL1273_IS2_RATE_12K     (0x8 << 12)
+#define WL1273_IS2_RATE_11_025  (0x9 << 12)
+#define WL1273_IS2_RATE_8K      (0xa << 12)
+#define WL1273_IS2_RATE         (0xf << 12)
+
+#define WL1273_I2S_DEF_MODE     (WL1273_IS2_WIDTH_32 | \
+                                 WL1273_IS2_FORMAT_STD | \
+                                 WL1273_IS2_MASTER | \
+                                 WL1273_IS2_TRI_AFTER_SENDING | \
+                                 WL1273_IS2_SDOWS_RR | \
+                                 WL1273_IS2_TRI_OPT | \
+                                 WL1273_IS2_RATE_48K)
+
+int wl1273_get_format(struct snd_soc_codec *codec, unsigned int *fmt);
+
+#endif  /* End of __WL1273_CODEC_H__ */