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ASoC: Add WM8958 enhanced EQ support

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DSP2 in the WM8958 can be used to support an upgraded EQ for use in
demanding applications.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2011-03-17 20:23:43 +00:00
parent 09e10d7fe5
commit 312158718f
4 changed files with 213 additions and 3 deletions
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15
include/linux/mfd/wm8994/pdata.h
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@ -35,6 +35,7 @@ struct wm8994_ldo_pdata {
#define WM8958_MBC_COMBINED_REGS 56
#define WM8958_VSS_HPF_REGS 2
#define WM8958_VSS_REGS 148
#define WM8958_ENH_EQ_REGS 32
/**
* DRC configurations are specified with a label and a set of register
@ -101,6 +102,17 @@ struct wm8958_vss_cfg {
u16 regs[WM8958_VSS_REGS];
};
/**
* Enhanced EQ configurations are specified with a label and array of
* values to write. Configurations are expected to be generated using
* the multiband compressor configuration panel in WISCE - see
* http://www.wolfsonmicro.com/wisce/
*/
struct wm8958_enh_eq_cfg {
const char *name;
u16 regs[WM8958_ENH_EQ_REGS];
};
struct wm8994_pdata {
int gpio_base;
@ -129,6 +141,9 @@ struct wm8994_pdata {
int num_vss_hpf_cfgs;
struct wm8958_vss_hpf_cfg *vss_hpf_cfgs;
int num_enh_eq_cfgs;
struct wm8958_enh_eq_cfg *enh_eq_cfgs;
/* LINEOUT can be differential or single ended */
unsigned int lineout1_diff:1;
unsigned int lineout2_diff:1;