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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /include/sound/ak4531_codec.h
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'include/sound/ak4531_codec.h')
-rw-r--r--include/sound/ak4531_codec.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/include/sound/ak4531_codec.h b/include/sound/ak4531_codec.h
new file mode 100644
index 000000000..64402347d
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+++ b/include/sound/ak4531_codec.h
@@ -0,0 +1,73 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_AK4531_CODEC_H
+#define __SOUND_AK4531_CODEC_H
+
+/*
+ * Copyright (c) by Jaroslav Kysela <perex@perex.cz>
+ * Universal interface for Audio Codec '97
+ *
+ * For more details look to AC '97 component specification revision 2.1
+ * by Intel Corporation (http://developer.intel.com).
+ */
+
+#include <sound/info.h>
+#include <sound/control.h>
+
+/*
+ * ASAHI KASEI - AK4531 codec
+ * - not really AC'97 codec, but it uses very similar interface as AC'97
+ */
+
+/*
+ * AK4531 codec registers
+ */
+
+#define AK4531_LMASTER 0x00 /* master volume left */
+#define AK4531_RMASTER 0x01 /* master volume right */
+#define AK4531_LVOICE 0x02 /* channel volume left */
+#define AK4531_RVOICE 0x03 /* channel volume right */
+#define AK4531_LFM 0x04 /* FM volume left */
+#define AK4531_RFM 0x05 /* FM volume right */
+#define AK4531_LCD 0x06 /* CD volume left */
+#define AK4531_RCD 0x07 /* CD volume right */
+#define AK4531_LLINE 0x08 /* LINE volume left */
+#define AK4531_RLINE 0x09 /* LINE volume right */
+#define AK4531_LAUXA 0x0a /* AUXA volume left */
+#define AK4531_RAUXA 0x0b /* AUXA volume right */
+#define AK4531_MONO1 0x0c /* MONO1 volume left */
+#define AK4531_MONO2 0x0d /* MONO1 volume right */
+#define AK4531_MIC 0x0e /* MIC volume */
+#define AK4531_MONO_OUT 0x0f /* Mono-out volume */
+#define AK4531_OUT_SW1 0x10 /* Output mixer switch 1 */
+#define AK4531_OUT_SW2 0x11 /* Output mixer switch 2 */
+#define AK4531_LIN_SW1 0x12 /* Input left mixer switch 1 */
+#define AK4531_RIN_SW1 0x13 /* Input right mixer switch 1 */
+#define AK4531_LIN_SW2 0x14 /* Input left mixer switch 2 */
+#define AK4531_RIN_SW2 0x15 /* Input right mixer switch 2 */
+#define AK4531_RESET 0x16 /* Reset & power down */
+#define AK4531_CLOCK 0x17 /* Clock select */
+#define AK4531_AD_IN 0x18 /* AD input select */
+#define AK4531_MIC_GAIN 0x19 /* MIC amplified gain */
+
+struct snd_ak4531 {
+ void (*write) (struct snd_ak4531 *ak4531, unsigned short reg,
+ unsigned short val);
+ void *private_data;
+ void (*private_free) (struct snd_ak4531 *ak4531);
+ /* --- */
+ unsigned char regs[0x20];
+ struct mutex reg_mutex;
+};
+
+int snd_ak4531_mixer(struct snd_card *card, struct snd_ak4531 *_ak4531,
+ struct snd_ak4531 **rak4531);
+
+#ifdef CONFIG_PM
+void snd_ak4531_suspend(struct snd_ak4531 *ak4531);
+void snd_ak4531_resume(struct snd_ak4531 *ak4531);
+#else
+static inline void snd_ak4531_suspend(struct snd_ak4531 *ak4531) {}
+static inline void snd_ak4531_resume(struct snd_ak4531 *ak4531) {}
+#endif
+
+#endif /* __SOUND_AK4531_CODEC_H */