ASoC: SPEAr spdif_out: Add spdif out support
This patch implements the spdif out driver for ST peripheral. This
peripheral implements IEC60958 standard
Signed-off-by: Vipin Kumar <vipin.kumar@st.com>
Signed-off-by: Rajeev Kumar <rajeev-dlh.kumar@st.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/spear/spdif_out_regs.h b/sound/soc/spear/spdif_out_regs.h
new file mode 100644
index 0000000..a5e5332
--- /dev/null
+++ b/sound/soc/spear/spdif_out_regs.h
@@ -0,0 +1,79 @@
+/*
+ * SPEAr SPDIF OUT controller header file
+ *
+ * Copyright (ST) 2011 Vipin Kumar (vipin.kumar@st.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef SPDIF_OUT_REGS_H
+#define SPDIF_OUT_REGS_H
+
+#define SPDIF_OUT_SOFT_RST 0x00
+ #define SPDIF_OUT_RESET (1 << 0)
+#define SPDIF_OUT_FIFO_DATA 0x04
+#define SPDIF_OUT_INT_STA 0x08
+#define SPDIF_OUT_INT_STA_CLR 0x0C
+ #define SPDIF_INT_UNDERFLOW (1 << 0)
+ #define SPDIF_INT_EODATA (1 << 1)
+ #define SPDIF_INT_EOBLOCK (1 << 2)
+ #define SPDIF_INT_EOLATENCY (1 << 3)
+ #define SPDIF_INT_EOPD_DATA (1 << 4)
+ #define SPDIF_INT_MEMFULLREAD (1 << 5)
+ #define SPDIF_INT_EOPD_PAUSE (1 << 6)
+
+#define SPDIF_OUT_INT_EN 0x10
+#define SPDIF_OUT_INT_EN_SET 0x14
+#define SPDIF_OUT_INT_EN_CLR 0x18
+#define SPDIF_OUT_CTRL 0x1C
+ #define SPDIF_OPMODE_MASK (7 << 0)
+ #define SPDIF_OPMODE_OFF (0 << 0)
+ #define SPDIF_OPMODE_MUTE_PCM (1 << 0)
+ #define SPDIF_OPMODE_MUTE_PAUSE (2 << 0)
+ #define SPDIF_OPMODE_AUD_DATA (3 << 0)
+ #define SPDIF_OPMODE_ENCODE (4 << 0)
+ #define SPDIF_STATE_NORMAL (1 << 3)
+ #define SPDIF_DIVIDER_MASK (0xff << 5)
+ #define SPDIF_DIVIDER_SHIFT (5)
+ #define SPDIF_SAMPLEREAD_MASK (0x1ffff << 15)
+ #define SPDIF_SAMPLEREAD_SHIFT (15)
+#define SPDIF_OUT_STA 0x20
+#define SPDIF_OUT_PA_PB 0x24
+#define SPDIF_OUT_PC_PD 0x28
+#define SPDIF_OUT_CL1 0x2C
+#define SPDIF_OUT_CR1 0x30
+#define SPDIF_OUT_CL2_CR2_UV 0x34
+#define SPDIF_OUT_PAUSE_LAT 0x38
+#define SPDIF_OUT_FRMLEN_BRST 0x3C
+#define SPDIF_OUT_CFG 0x40
+ #define SPDIF_OUT_MEMFMT_16_0 (0 << 5)
+ #define SPDIF_OUT_MEMFMT_16_16 (1 << 5)
+ #define SPDIF_OUT_VALID_DMA (0 << 3)
+ #define SPDIF_OUT_VALID_HW (1 << 3)
+ #define SPDIF_OUT_USER_DMA (0 << 2)
+ #define SPDIF_OUT_USER_HW (1 << 2)
+ #define SPDIF_OUT_CHNLSTA_DMA (0 << 1)
+ #define SPDIF_OUT_CHNLSTA_HW (1 << 1)
+ #define SPDIF_OUT_PARITY_HW (0 << 0)
+ #define SPDIF_OUT_PARITY_DMA (1 << 0)
+ #define SPDIF_OUT_FDMA_TRIG_2 (2 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_6 (6 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_8 (8 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_10 (10 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_12 (12 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_16 (16 << 8)
+ #define SPDIF_OUT_FDMA_TRIG_18 (18 << 8)
+
+#endif /* SPDIF_OUT_REGS_H */