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author | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:02:55 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2010-04-02 20:03:08 +0200 |
commit | c9494727cf293ae2ec66af57547a3e79c724fec2 (patch) | |
tree | 44ae197b64fa7530ee695a90ad31326dda06f1e1 /include/linux/mfd/wm8994/pdata.h | |
parent | 6427462bfa50f50dc6c088c07037264fcc73eca1 (diff) | |
parent | 42be79e37e264557f12860fa4cc84b4de3685954 (diff) | |
download | blackbird-op-linux-c9494727cf293ae2ec66af57547a3e79c724fec2.tar.gz blackbird-op-linux-c9494727cf293ae2ec66af57547a3e79c724fec2.zip |
Merge branch 'linus' into sched/core
Merge reason: update to latest upstream
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/mfd/wm8994/pdata.h')
-rw-r--r-- | include/linux/mfd/wm8994/pdata.h | 97 |
1 files changed, 97 insertions, 0 deletions
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 |