Add hda_cs_dsp_write_cal_coeffs(), a helper function to write amp calibration data to firmware controls.
The calibration data is passed in a struct cirrus_amp_cal_data and a definition of the firmware algorithm controls in a struct cirrus_amp_cal_controls.
Signed-off-by: Richard Fitzgerald rf@opensource.cirrus.com --- sound/pci/hda/hda_cs_dsp_ctl.c | 47 ++++++++++++++++++++++++++++++++++ sound/pci/hda/hda_cs_dsp_ctl.h | 4 +++ 2 files changed, 51 insertions(+)
diff --git a/sound/pci/hda/hda_cs_dsp_ctl.c b/sound/pci/hda/hda_cs_dsp_ctl.c index 0f5fdd44721c..bdc21a117dd2 100644 --- a/sound/pci/hda/hda_cs_dsp_ctl.c +++ b/sound/pci/hda/hda_cs_dsp_ctl.c @@ -10,6 +10,7 @@ #include <sound/soc.h> #include <linux/firmware/cirrus/cs_dsp.h> #include <linux/firmware/cirrus/wmfw.h> +#include <sound/cs-amp-lib.h> #include "hda_cs_dsp_ctl.h"
#define ADSP_MAX_STD_CTRL_SIZE 512 @@ -247,6 +248,52 @@ int hda_cs_dsp_read_ctl(struct cs_dsp *dsp, const char *name, int type, } EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_read_ctl, SND_HDA_CS_DSP_CONTROLS);
+static int hda_cs_dsp_write_cal_coeff(struct cs_dsp *cs_dsp, + const struct cirrus_amp_cal_controls *controls, + const char *ctl_name, unsigned int val) +{ + __be32 beval = cpu_to_be32(val); + int ret; + + ret = hda_cs_dsp_write_ctl(cs_dsp, ctl_name, controls->mem_region, + controls->alg_id, &beval, 4); + if (ret) { + dev_err(cs_dsp->dev, "Failed to write control %s: %d\n", ctl_name, ret); + return ret; + } + + return 0; +} + +int hda_cs_dsp_write_cal_coeffs(struct cs_dsp *cs_dsp, + const struct cirrus_amp_cal_controls *controls, + const struct cirrus_amp_cal_data *data) +{ + int ret; + + dev_dbg(cs_dsp->dev, "Calibration: Ambient=%#x, Status=%#x, R0=%d\n", + data->calAmbient, data->calStatus, data->calR); + + ret = hda_cs_dsp_write_cal_coeff(cs_dsp, controls, controls->ambient, data->calAmbient); + if (ret) + return ret; + + ret = hda_cs_dsp_write_cal_coeff(cs_dsp, controls, controls->calr, data->calR); + if (ret) + return ret; + + ret = hda_cs_dsp_write_cal_coeff(cs_dsp, controls, controls->status, data->calStatus); + if (ret) + return ret; + + ret = hda_cs_dsp_write_cal_coeff(cs_dsp, controls, controls->checksum, data->calR + 1); + if (ret) + return ret; + + return 0; +} +EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_write_cal_coeffs, SND_HDA_CS_DSP_CONTROLS); + MODULE_DESCRIPTION("CS_DSP ALSA Control HDA Library"); MODULE_AUTHOR("Stefan Binding, sbinding@opensource.cirrus.com"); MODULE_LICENSE("GPL"); diff --git a/sound/pci/hda/hda_cs_dsp_ctl.h b/sound/pci/hda/hda_cs_dsp_ctl.h index 2cf93359c4f2..329531672005 100644 --- a/sound/pci/hda/hda_cs_dsp_ctl.h +++ b/sound/pci/hda/hda_cs_dsp_ctl.h @@ -10,6 +10,7 @@ #ifndef __HDA_CS_DSP_CTL_H__ #define __HDA_CS_DSP_CTL_H__
+#include <sound/cs-amp-lib.h> #include <sound/soc.h> #include <linux/firmware/cirrus/cs_dsp.h>
@@ -35,5 +36,8 @@ int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type, unsigned int alg, const void *buf, size_t len); int hda_cs_dsp_read_ctl(struct cs_dsp *dsp, const char *name, int type, unsigned int alg, void *buf, size_t len); +int hda_cs_dsp_write_cal_coeffs(struct cs_dsp *cs_dsp, + const struct cirrus_amp_cal_controls *controls, + const struct cirrus_amp_cal_data *data);
#endif /*__HDA_CS_DSP_CTL_H__*/