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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/seq_device.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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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/seq_device.h')
-rw-r--r--include/sound/seq_device.h86
1 files changed, 86 insertions, 0 deletions
diff --git a/include/sound/seq_device.h b/include/sound/seq_device.h
new file mode 100644
index 000000000..3137d4c5f
--- /dev/null
+++ b/include/sound/seq_device.h
@@ -0,0 +1,86 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#ifndef __SOUND_SEQ_DEVICE_H
+#define __SOUND_SEQ_DEVICE_H
+
+/*
+ * ALSA sequencer device management
+ * Copyright (c) 1999 by Takashi Iwai <tiwai@suse.de>
+ */
+
+/*
+ * registered device information
+ */
+
+struct snd_seq_device {
+ /* device info */
+ struct snd_card *card; /* sound card */
+ int device; /* device number */
+ const char *id; /* driver id */
+ char name[80]; /* device name */
+ int argsize; /* size of the argument */
+ void *driver_data; /* private data for driver */
+ void *private_data; /* private data for the caller */
+ void (*private_free)(struct snd_seq_device *device);
+ struct device dev;
+ unsigned char args[]; /* driver-specific argument */
+};
+
+#define to_seq_dev(_dev) \
+ container_of(_dev, struct snd_seq_device, dev)
+
+/* sequencer driver */
+
+/* driver operators
+ * probe:
+ * Initialize the device with given parameters.
+ * Typically,
+ * 1. call snd_hwdep_new
+ * 2. allocate private data and initialize it
+ * 3. call snd_hwdep_register
+ * 4. store the instance to dev->driver_data pointer.
+ *
+ * remove:
+ * Release the private data.
+ * Typically, call snd_device_free(dev->card, dev->driver_data)
+ */
+struct snd_seq_driver {
+ int (*probe)(struct snd_seq_device *dev);
+ void (*remove)(struct snd_seq_device *dev);
+ struct device_driver driver;
+ char *id;
+ int argsize;
+};
+
+#define to_seq_drv(_drv) \
+ container_of(_drv, struct snd_seq_driver, driver)
+
+/*
+ * prototypes
+ */
+#ifdef CONFIG_MODULES
+void snd_seq_device_load_drivers(void);
+#else
+#define snd_seq_device_load_drivers()
+#endif
+int snd_seq_device_new(struct snd_card *card, int device, const char *id,
+ int argsize, struct snd_seq_device **result);
+
+#define SNDRV_SEQ_DEVICE_ARGPTR(dev) ((void *)(dev)->args)
+
+int __must_check __snd_seq_driver_register(struct snd_seq_driver *drv,
+ struct module *mod);
+#define snd_seq_driver_register(drv) \
+ __snd_seq_driver_register(drv, THIS_MODULE)
+void snd_seq_driver_unregister(struct snd_seq_driver *drv);
+
+#define module_snd_seq_driver(drv) \
+ module_driver(drv, snd_seq_driver_register, snd_seq_driver_unregister)
+
+/*
+ * id strings for generic devices
+ */
+#define SNDRV_SEQ_DEV_ID_MIDISYNTH "seq-midi"
+#define SNDRV_SEQ_DEV_ID_OPL3 "opl3-synth"
+#define SNDRV_SEQ_DEV_ID_UMP "seq-ump-client"
+
+#endif /* __SOUND_SEQ_DEVICE_H */