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-rw-r--r--include/sound/wm8904.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/include/sound/wm8904.h b/include/sound/wm8904.h
new file mode 100644
index 000000000..898be3a8d
--- /dev/null
+++ b/include/sound/wm8904.h
@@ -0,0 +1,163 @@
+/*
+ * Platform data for WM8904
+ *
+ * Copyright 2009 Wolfson Microelectronics PLC.
+ *
+ * Author: Mark Brown <broonie@opensource.wolfsonmicro.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.
+ *
+ */
+
+#ifndef __MFD_WM8994_PDATA_H__
+#define __MFD_WM8994_PDATA_H__
+
+/* Used to enable configuration of a GPIO to all zeros */
+#define WM8904_GPIO_NO_CONFIG 0x8000
+
+/*
+ * R6 (0x06) - Mic Bias Control 0
+ */
+#define WM8904_MICDET_THR_MASK 0x0070 /* MICDET_THR - [6:4] */
+#define WM8904_MICDET_THR_SHIFT 4 /* MICDET_THR - [6:4] */
+#define WM8904_MICDET_THR_WIDTH 3 /* MICDET_THR - [6:4] */
+#define WM8904_MICSHORT_THR_MASK 0x000C /* MICSHORT_THR - [3:2] */
+#define WM8904_MICSHORT_THR_SHIFT 2 /* MICSHORT_THR - [3:2] */
+#define WM8904_MICSHORT_THR_WIDTH 2 /* MICSHORT_THR - [3:2] */
+#define WM8904_MICDET_ENA 0x0002 /* MICDET_ENA */
+#define WM8904_MICDET_ENA_MASK 0x0002 /* MICDET_ENA */
+#define WM8904_MICDET_ENA_SHIFT 1 /* MICDET_ENA */
+#define WM8904_MICDET_ENA_WIDTH 1 /* MICDET_ENA */
+#define WM8904_MICBIAS_ENA 0x0001 /* MICBIAS_ENA */
+#define WM8904_MICBIAS_ENA_MASK 0x0001 /* MICBIAS_ENA */
+#define WM8904_MICBIAS_ENA_SHIFT 0 /* MICBIAS_ENA */
+#define WM8904_MICBIAS_ENA_WIDTH 1 /* MICBIAS_ENA */
+
+/*
+ * R7 (0x07) - Mic Bias Control 1
+ */
+#define WM8904_MIC_DET_FILTER_ENA 0x8000 /* MIC_DET_FILTER_ENA */
+#define WM8904_MIC_DET_FILTER_ENA_MASK 0x8000 /* MIC_DET_FILTER_ENA */
+#define WM8904_MIC_DET_FILTER_ENA_SHIFT 15 /* MIC_DET_FILTER_ENA */
+#define WM8904_MIC_DET_FILTER_ENA_WIDTH 1 /* MIC_DET_FILTER_ENA */
+#define WM8904_MIC_SHORT_FILTER_ENA 0x4000 /* MIC_SHORT_FILTER_ENA */
+#define WM8904_MIC_SHORT_FILTER_ENA_MASK 0x4000 /* MIC_SHORT_FILTER_ENA */
+#define WM8904_MIC_SHORT_FILTER_ENA_SHIFT 14 /* MIC_SHORT_FILTER_ENA */
+#define WM8904_MIC_SHORT_FILTER_ENA_WIDTH 1 /* MIC_SHORT_FILTER_ENA */
+#define WM8904_MICBIAS_SEL_MASK 0x0007 /* MICBIAS_SEL - [2:0] */
+#define WM8904_MICBIAS_SEL_SHIFT 0 /* MICBIAS_SEL - [2:0] */
+#define WM8904_MICBIAS_SEL_WIDTH 3 /* MICBIAS_SEL - [2:0] */
+
+
+/*
+ * R121 (0x79) - GPIO Control 1
+ */
+#define WM8904_GPIO1_PU 0x0020 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_MASK 0x0020 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_SHIFT 5 /* GPIO1_PU */
+#define WM8904_GPIO1_PU_WIDTH 1 /* GPIO1_PU */
+#define WM8904_GPIO1_PD 0x0010 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_MASK 0x0010 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_SHIFT 4 /* GPIO1_PD */
+#define WM8904_GPIO1_PD_WIDTH 1 /* GPIO1_PD */
+#define WM8904_GPIO1_SEL_MASK 0x000F /* GPIO1_SEL - [3:0] */
+#define WM8904_GPIO1_SEL_SHIFT 0 /* GPIO1_SEL - [3:0] */
+#define WM8904_GPIO1_SEL_WIDTH 4 /* GPIO1_SEL - [3:0] */
+
+/*
+ * R122 (0x7A) - GPIO Control 2
+ */
+#define WM8904_GPIO2_PU 0x0020 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_MASK 0x0020 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_SHIFT 5 /* GPIO2_PU */
+#define WM8904_GPIO2_PU_WIDTH 1 /* GPIO2_PU */
+#define WM8904_GPIO2_PD 0x0010 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_MASK 0x0010 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_SHIFT 4 /* GPIO2_PD */
+#define WM8904_GPIO2_PD_WIDTH 1 /* GPIO2_PD */
+#define WM8904_GPIO2_SEL_MASK 0x000F /* GPIO2_SEL - [3:0] */
+#define WM8904_GPIO2_SEL_SHIFT 0 /* GPIO2_SEL - [3:0] */
+#define WM8904_GPIO2_SEL_WIDTH 4 /* GPIO2_SEL - [3:0] */
+
+/*
+ * R123 (0x7B) - GPIO Control 3
+ */
+#define WM8904_GPIO3_PU 0x0020 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_MASK 0x0020 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_SHIFT 5 /* GPIO3_PU */
+#define WM8904_GPIO3_PU_WIDTH 1 /* GPIO3_PU */
+#define WM8904_GPIO3_PD 0x0010 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_MASK 0x0010 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_SHIFT 4 /* GPIO3_PD */
+#define WM8904_GPIO3_PD_WIDTH 1 /* GPIO3_PD */
+#define WM8904_GPIO3_SEL_MASK 0x000F /* GPIO3_SEL - [3:0] */
+#define WM8904_GPIO3_SEL_SHIFT 0 /* GPIO3_SEL - [3:0] */
+#define WM8904_GPIO3_SEL_WIDTH 4 /* GPIO3_SEL - [3:0] */
+
+/*
+ * R124 (0x7C) - GPIO Control 4
+ */
+#define WM8904_GPI7_ENA 0x0200 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_MASK 0x0200 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_SHIFT 9 /* GPI7_ENA */
+#define WM8904_GPI7_ENA_WIDTH 1 /* GPI7_ENA */
+#define WM8904_GPI8_ENA 0x0100 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_MASK 0x0100 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_SHIFT 8 /* GPI8_ENA */
+#define WM8904_GPI8_ENA_WIDTH 1 /* GPI8_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA 0x0080 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_MASK 0x0080 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_SHIFT 7 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_MODE_ENA_WIDTH 1 /* GPIO_BCLK_MODE_ENA */
+#define WM8904_GPIO_BCLK_SEL_MASK 0x000F /* GPIO_BCLK_SEL - [3:0] */
+#define WM8904_GPIO_BCLK_SEL_SHIFT 0 /* GPIO_BCLK_SEL - [3:0] */
+#define WM8904_GPIO_BCLK_SEL_WIDTH 4 /* GPIO_BCLK_SEL - [3:0] */
+
+#define WM8904_MIC_REGS 2
+#define WM8904_GPIO_REGS 4
+#define WM8904_DRC_REGS 4
+#define WM8904_EQ_REGS 25
+
+/**
+ * DRC configurations are specified with a label and a set of register
+ * values to write (the enable bits will be ignored). At runtime an
+ * enumerated control will be presented for each DRC block allowing
+ * the user to choose the configration to use.
+ *
+ * Configurations may be generated by hand or by using the DRC control
+ * panel provided by the WISCE - see http://www.wolfsonmicro.com/wisce/
+ * for details.
+ */
+struct wm8904_drc_cfg {
+ const char *name;
+ u16 regs[WM8904_DRC_REGS];
+};
+
+/**
+ * ReTune Mobile configurations are specified with a label, sample
+ * rate and set of values to write (the enable bits will be ignored).
+ *
+ * Configurations are expected to be generated using the ReTune Mobile
+ * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
+ */
+struct wm8904_retune_mobile_cfg {
+ const char *name;
+ unsigned int rate;
+ u16 regs[WM8904_EQ_REGS];
+};
+
+struct wm8904_pdata {
+ int num_drc_cfgs;
+ struct wm8904_drc_cfg *drc_cfgs;
+
+ int num_retune_mobile_cfgs;
+ struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
+
+ u32 gpio_cfg[WM8904_GPIO_REGS];
+ u32 mic_cfg[WM8904_MIC_REGS];
+};
+
+#endif