summaryrefslogtreecommitdiffstats
path: root/include/sound/cs-amp-lib.h
diff options
context:
space:
mode:
authorRosen Penev <rosenp@gmail.com>2026-09-27 13:35:01 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-10-01 11:04:53 +0200
commit8167c1f071426706c233e93ecfd13aba7d5c06c8 (patch)
tree2c0cd5f5e1cc35eadee98d49fe034f96a88856ce /include/sound/cs-amp-lib.h
downloadlinux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.tar.gz
linux-stable-8167c1f071426706c233e93ecfd13aba7d5c06c8.zip
tty: serial: mpc52xx_uart: move static declarations up.grafted
Avoid a compilation error so that they're not used before being declared. Fixes: 4d105880666a ("tty: serial: mpc52xx_uart: add bounds check for psc_num array index") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202609260356.tJWbd1WU-lkp@intel.com/ Signed-off-by: Rosen Penev <rosenp@gmail.com> Link: https://patch.msgid.link/20260927203501.14105-1-rosenp@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/sound/cs-amp-lib.h')
-rw-r--r--include/sound/cs-amp-lib.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/include/sound/cs-amp-lib.h b/include/sound/cs-amp-lib.h
new file mode 100644
index 000000000..e9aa86d76
--- /dev/null
+++ b/include/sound/cs-amp-lib.h
@@ -0,0 +1,93 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2024 Cirrus Logic, Inc. and
+ * Cirrus Logic International Semiconductor Ltd.
+ */
+
+#ifndef CS_AMP_LIB_H
+#define CS_AMP_LIB_H
+
+#include <linux/efi.h>
+#include <linux/types.h>
+
+struct cs_dsp;
+
+struct cirrus_amp_cal_data {
+ u32 calTarget[2];
+ u32 calTime[2];
+ s8 calAmbient;
+ u8 calStatus;
+ u16 calR;
+} __packed;
+
+struct cirrus_amp_efi_data {
+ u32 size;
+ u32 count;
+ struct cirrus_amp_cal_data data[] __counted_by(count);
+} __packed;
+
+/**
+ * struct cirrus_amp_cal_controls - definition of firmware calibration controls
+ * @alg_id: ID of algorithm containing the controls.
+ * @mem_region: DSP memory region containing the controls.
+ * @ambient: Name of control for calAmbient value.
+ * @calr: Name of control for calR value.
+ * @status: Name of control for calStatus value.
+ * @checksum: Name of control for checksum value.
+ */
+struct cirrus_amp_cal_controls {
+ unsigned int alg_id;
+ int mem_region;
+ const char *ambient;
+ const char *calr;
+ const char *status;
+ const char *checksum;
+};
+
+int cs_amp_write_cal_coeffs(struct cs_dsp *dsp,
+ const struct cirrus_amp_cal_controls *controls,
+ const struct cirrus_amp_cal_data *data);
+int cs_amp_read_cal_coeffs(struct cs_dsp *dsp,
+ const struct cirrus_amp_cal_controls *controls,
+ struct cirrus_amp_cal_data *data);
+int cs_amp_write_ambient_temp(struct cs_dsp *dsp,
+ const struct cirrus_amp_cal_controls *controls,
+ u32 temp);
+int cs_amp_get_efi_calibration_data(struct device *dev, u64 target_uid, int amp_index,
+ struct cirrus_amp_cal_data *out_data);
+int cs_amp_set_efi_calibration_data(struct device *dev, int amp_index, int num_amps,
+ const struct cirrus_amp_cal_data *in_data);
+int cs_amp_get_vendor_spkid(struct device *dev);
+const char *cs_amp_devm_get_vendor_specific_variant_id(struct device *dev,
+ int ssid_vendor,
+ int ssid_device);
+struct dentry *cs_amp_create_debugfs(struct device *dev);
+
+static inline u64 cs_amp_cal_target_u64(const struct cirrus_amp_cal_data *data)
+{
+ return ((u64)data->calTarget[1] << 32) | data->calTarget[0];
+}
+
+struct cs_amp_test_hooks {
+ efi_status_t (*get_efi_variable)(efi_char16_t *name,
+ efi_guid_t *guid,
+ u32 *returned_attr,
+ unsigned long *size,
+ void *buf);
+ efi_status_t (*set_efi_variable)(efi_char16_t *name,
+ efi_guid_t *guid,
+ u32 attr,
+ unsigned long size,
+ void *buf);
+
+ int (*write_cal_coeff)(struct cs_dsp *dsp,
+ const struct cirrus_amp_cal_controls *controls,
+ const char *ctl_name, u32 val);
+
+ int (*read_cal_coeff)(struct cs_dsp *dsp,
+ const struct cirrus_amp_cal_controls *controls,
+ const char *ctl_name, u32 *val);
+};
+extern const struct cs_amp_test_hooks * const cs_amp_test_hooks;
+
+#endif /* CS_AMP_LIB_H */