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-rw-r--r--include/linux/mfd/wm8994/core.h54
-rw-r--r--include/linux/mfd/wm8994/gpio.h72
-rw-r--r--include/linux/mfd/wm8994/pdata.h97
3 files changed, 223 insertions, 0 deletions
diff --git a/include/linux/mfd/wm8994/core.h b/include/linux/mfd/wm8994/core.h
new file mode 100644
index 000000000000..b06ff2846748
--- /dev/null
+++ b/include/linux/mfd/wm8994/core.h
@@ -0,0 +1,54 @@
+/*
+ * include/linux/mfd/wm8994/core.h -- Core interface for WM8994
+ *
+ * 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_CORE_H__
+#define __MFD_WM8994_CORE_H__
+
+struct regulator_dev;
+struct regulator_bulk_data;
+
+#define WM8994_NUM_GPIO_REGS 11
+#define WM8994_NUM_LDO_REGS 2
+
+struct wm8994 {
+ struct mutex io_lock;
+
+ struct device *dev;
+ int (*read_dev)(struct wm8994 *wm8994, unsigned short reg,
+ int bytes, void *dest);
+ int (*write_dev)(struct wm8994 *wm8994, unsigned short reg,
+ int bytes, void *src);
+
+ void *control_data;
+
+ int gpio_base;
+
+ /* Used over suspend/resume */
+ u16 ldo_regs[WM8994_NUM_LDO_REGS];
+ u16 gpio_regs[WM8994_NUM_GPIO_REGS];
+
+ struct regulator_dev *dbvdd;
+ struct regulator_bulk_data *supplies;
+};
+
+/* Device I/O API */
+int wm8994_reg_read(struct wm8994 *wm8994, unsigned short reg);
+int wm8994_reg_write(struct wm8994 *wm8994, unsigned short reg,
+ unsigned short val);
+int wm8994_set_bits(struct wm8994 *wm8994, unsigned short reg,
+ unsigned short mask, unsigned short val);
+int wm8994_bulk_read(struct wm8994 *wm8994, unsigned short reg,
+ int count, u16 *buf);
+
+#endif
diff --git a/include/linux/mfd/wm8994/gpio.h b/include/linux/mfd/wm8994/gpio.h
new file mode 100644
index 000000000000..b4d4c22991e8
--- /dev/null
+++ b/include/linux/mfd/wm8994/gpio.h
@@ -0,0 +1,72 @@
+/*
+ * include/linux/mfd/wm8994/gpio.h - GPIO configuration for WM8994
+ *
+ * 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_GPIO_H__
+#define __MFD_WM8994_GPIO_H__
+
+#define WM8994_GPIO_MAX 11
+
+#define WM8994_GP_FN_PIN_SPECIFIC 0
+#define WM8994_GP_FN_GPIO 1
+#define WM8994_GP_FN_SDOUT 2
+#define WM8994_GP_FN_IRQ 3
+#define WM8994_GP_FN_TEMPERATURE 4
+#define WM8994_GP_FN_MICBIAS1_DET 5
+#define WM8994_GP_FN_MICBIAS1_SHORT 6
+#define WM8994_GP_FN_MICBIAS2_DET 7
+#define WM8994_GP_FN_MICBIAS2_SHORT 8
+#define WM8994_GP_FN_FLL1_LOCK 9
+#define WM8994_GP_FN_FLL2_LOCK 10
+#define WM8994_GP_FN_SRC1_LOCK 11
+#define WM8994_GP_FN_SRC2_LOCK 12
+#define WM8994_GP_FN_DRC1_ACT 13
+#define WM8994_GP_FN_DRC2_ACT 14
+#define WM8994_GP_FN_DRC3_ACT 15
+#define WM8994_GP_FN_WSEQ_STATUS 16
+#define WM8994_GP_FN_FIFO_ERROR 17
+#define WM8994_GP_FN_OPCLK 18
+
+#define WM8994_GPN_DIR 0x8000 /* GPN_DIR */
+#define WM8994_GPN_DIR_MASK 0x8000 /* GPN_DIR */
+#define WM8994_GPN_DIR_SHIFT 15 /* GPN_DIR */
+#define WM8994_GPN_DIR_WIDTH 1 /* GPN_DIR */
+#define WM8994_GPN_PU 0x4000 /* GPN_PU */
+#define WM8994_GPN_PU_MASK 0x4000 /* GPN_PU */
+#define WM8994_GPN_PU_SHIFT 14 /* GPN_PU */
+#define WM8994_GPN_PU_WIDTH 1 /* GPN_PU */
+#define WM8994_GPN_PD 0x2000 /* GPN_PD */
+#define WM8994_GPN_PD_MASK 0x2000 /* GPN_PD */
+#define WM8994_GPN_PD_SHIFT 13 /* GPN_PD */
+#define WM8994_GPN_PD_WIDTH 1 /* GPN_PD */
+#define WM8994_GPN_POL 0x0400 /* GPN_POL */
+#define WM8994_GPN_POL_MASK 0x0400 /* GPN_POL */
+#define WM8994_GPN_POL_SHIFT 10 /* GPN_POL */
+#define WM8994_GPN_POL_WIDTH 1 /* GPN_POL */
+#define WM8994_GPN_OP_CFG 0x0200 /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_MASK 0x0200 /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_SHIFT 9 /* GPN_OP_CFG */
+#define WM8994_GPN_OP_CFG_WIDTH 1 /* GPN_OP_CFG */
+#define WM8994_GPN_DB 0x0100 /* GPN_DB */
+#define WM8994_GPN_DB_MASK 0x0100 /* GPN_DB */
+#define WM8994_GPN_DB_SHIFT 8 /* GPN_DB */
+#define WM8994_GPN_DB_WIDTH 1 /* GPN_DB */
+#define WM8994_GPN_LVL 0x0040 /* GPN_LVL */
+#define WM8994_GPN_LVL_MASK 0x0040 /* GPN_LVL */
+#define WM8994_GPN_LVL_SHIFT 6 /* GPN_LVL */
+#define WM8994_GPN_LVL_WIDTH 1 /* GPN_LVL */
+#define WM8994_GPN_FN_MASK 0x001F /* GPN_FN - [4:0] */
+#define WM8994_GPN_FN_SHIFT 0 /* GPN_FN - [4:0] */
+#define WM8994_GPN_FN_WIDTH 5 /* GPN_FN - [4:0] */
+
+#endif
diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h
new file mode 100644
index 000000000000..70d6a8687dc5
--- /dev/null
+++ b/include/linux/mfd/wm8994/pdata.h
@@ -0,0 +1,97 @@
+/*
+ * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
+ *
+ * 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__
+
+#define WM8994_NUM_LDO 2
+#define WM8994_NUM_GPIO 11
+
+struct wm8994_ldo_pdata {
+ /** GPIOs to enable regulator, 0 or less if not available */
+ int enable;
+
+ const char *supply;
+ struct regulator_init_data *init_data;
+};
+
+#define WM8994_CONFIGURE_GPIO 0x8000
+
+#define WM8994_DRC_REGS 5
+#define WM8994_EQ_REGS 19
+
+/**
+ * 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 wm8994_drc_cfg {
+ const char *name;
+ u16 regs[WM8994_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 wm8994_retune_mobile_cfg {
+ const char *name;
+ unsigned int rate;
+ u16 regs[WM8994_EQ_REGS];
+};
+
+struct wm8994_pdata {
+ int gpio_base;
+
+ /**
+ * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
+ * can be used for all zero values.
+ */
+ int gpio_defaults[WM8994_NUM_GPIO];
+
+ struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
+
+
+ int num_drc_cfgs;
+ struct wm8994_drc_cfg *drc_cfgs;
+
+ int num_retune_mobile_cfgs;
+ struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
+
+ /* LINEOUT can be differential or single ended */
+ unsigned int lineout1_diff:1;
+ unsigned int lineout2_diff:1;
+
+ /* Common mode feedback */
+ unsigned int lineout1fb:1;
+ unsigned int lineout2fb:1;
+
+ /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
+ unsigned int micbias1_lvl:1;
+ unsigned int micbias2_lvl:1;
+
+ /* Jack detect threashold levels, see datasheet for values */
+ unsigned int jd_scthr:2;
+ unsigned int jd_thr:2;
+};
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-16 22:21:28 +0100