summaryrefslogtreecommitdiff
path: root/sound/soc/omap/omap-mcpdm.h
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/omap/omap-mcpdm.h')
-rw-r--r--sound/soc/omap/omap-mcpdm.h131
1 files changed, 131 insertions, 0 deletions
diff --git a/sound/soc/omap/omap-mcpdm.h b/sound/soc/omap/omap-mcpdm.h
new file mode 100644
index 00000000000..2c69956e99e
--- /dev/null
+++ b/sound/soc/omap/omap-mcpdm.h
@@ -0,0 +1,131 @@
+/*
+ * omap-mcpdm.h
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * Contact: Misael Lopez Cruz <x0052729@ti.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 __OMAP_MCPDM_H__
+#define __OMAP_MCPDM_H__
+
+#include <linux/platform_device.h>
+
+#define MCPDM_REVISION 0x00
+#define MCPDM_SYSCONFIG 0x10
+#define MCPDM_IRQSTATUS_RAW 0x24
+#define MCPDM_IRQSTATUS 0x28
+#define MCPDM_IRQENABLE_SET 0x2C
+#define MCPDM_IRQENABLE_CLR 0x30
+#define MCPDM_IRQWAKE_EN 0x34
+#define MCPDM_DMAENABLE_SET 0x38
+#define MCPDM_DMAENABLE_CLR 0x3C
+#define MCPDM_DMAWAKEEN 0x40
+#define MCPDM_CTRL 0x44
+#define MCPDM_DN_DATA 0x48
+#define MCPDM_UP_DATA 0x4C
+#define MCPDM_FIFO_CTRL_DN 0x50
+#define MCPDM_FIFO_CTRL_UP 0x54
+#define MCPDM_DN_OFFSET 0x58
+
+/*
+ * MCPDM_IRQ bit fields
+ * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR
+ */
+
+#define MCPDM_DN_IRQ (1 << 0)
+#define MCPDM_DN_IRQ_EMPTY (1 << 1)
+#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2)
+#define MCPDM_DN_IRQ_FULL (1 << 3)
+
+#define MCPDM_UP_IRQ (1 << 8)
+#define MCPDM_UP_IRQ_EMPTY (1 << 9)
+#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10)
+#define MCPDM_UP_IRQ_FULL (1 << 11)
+
+#define MCPDM_DOWNLINK_IRQ_MASK 0x00F
+#define MCPDM_UPLINK_IRQ_MASK 0xF00
+
+/*
+ * MCPDM_DMAENABLE bit fields
+ */
+
+#define DMA_DN_ENABLE 0x1
+#define DMA_UP_ENABLE 0x2
+
+/*
+ * MCPDM_SYSCONFIG bit fields
+ */
+#define MCPDM_SOFTRESET 0x1
+
+/*
+ * MCPDM_CTRL bit fields
+ */
+
+#define PDM_UP1_EN 0x0001
+#define PDM_UP2_EN 0x0002
+#define PDM_UP3_EN 0x0004
+#define PDM_DN1_EN 0x0008
+#define PDM_DN2_EN 0x0010
+#define PDM_DN3_EN 0x0020
+#define PDM_DN4_EN 0x0040
+#define PDM_DN5_EN 0x0080
+#define PDMOUTFORMAT 0x0100
+#define CMD_INT 0x0200
+#define STATUS_INT 0x0400
+#define SW_UP_RST 0x0800
+#define SW_DN_RST 0x1000
+#define WD_EN 0x4000
+#define PDM_UP_MASK 0x007
+#define PDM_DN_MASK 0x0F8
+#define PDM_CMD_MASK 0x200
+#define PDM_STATUS_MASK 0x400
+
+
+#define PDMOUTFORMAT_LJUST (0 << 8)
+#define PDMOUTFORMAT_RJUST (1 << 8)
+
+/*
+ * MCPDM_FIFO_CTRL bit fields
+ */
+
+#define UP_THRES_MAX 0xF
+#define DN_THRES_MAX 0xF
+
+/*
+ * MCPDM_DN_OFFSET bit fields
+ */
+
+#define DN_OFST_RX1_EN 0x0001
+#define DN_OFST_RX2_EN 0x0100
+
+#define DN_OFST_RX1 1
+#define DN_OFST_RX2 9
+#define DN_OFST_MAX 0x1F
+
+#define MCPDM_UPLINK 1
+#define MCPDM_DOWNLINK 2
+
+struct omap_mcpdm_link {
+ int irq_mask;
+ int threshold;
+ int format;
+ int channels;
+};
+
+#endif /* End of __OMAP_MCPDM_H__ */