^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * HD-audio codec core device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/delay.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/export.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/pm_runtime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <sound/hdaudio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <sound/hda_regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <sound/pcm.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include "local.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static void setup_fg_nodes(struct hdac_device *codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static int get_codec_vendor_name(struct hdac_device *codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) static void default_release(struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) snd_hdac_device_exit(dev_to_hdac_dev(dev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) * snd_hdac_device_init - initialize the HD-audio codec base device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) * @codec: device to initialize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) * @bus: but to attach
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * @name: device name string
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * @addr: codec address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) * Returns zero for success or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * This function increments the runtime PM counter and marks it active.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * The caller needs to turn it off appropriately later.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) * The caller needs to set the device's release op properly by itself.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int snd_hdac_device_init(struct hdac_device *codec, struct hdac_bus *bus,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) const char *name, unsigned int addr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) hda_nid_t fg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) dev = &codec->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) device_initialize(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) dev->parent = bus->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) dev->bus = &snd_hda_bus_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) dev->release = default_release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) dev->groups = hdac_dev_attr_groups;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) dev_set_name(dev, "%s", name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) device_enable_async_suspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) codec->bus = bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) codec->addr = addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) codec->type = HDA_DEV_CORE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) mutex_init(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) mutex_init(&codec->regmap_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) pm_runtime_set_active(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) pm_runtime_get_noresume(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) atomic_set(&codec->in_pm, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) err = snd_hdac_bus_add_device(bus, codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) /* fill parameters */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) AC_PAR_VENDOR_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) if (codec->vendor_id == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* read again, hopefully the access method was corrected
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) * in the last read...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) codec->vendor_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) AC_PAR_VENDOR_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) codec->subsystem_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) AC_PAR_SUBSYSTEM_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) codec->revision_id = snd_hdac_read_parm(codec, AC_NODE_ROOT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) AC_PAR_REV_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) setup_fg_nodes(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (!codec->afg && !codec->mfg) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) dev_err(dev, "no AFG or MFG node found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) err = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) fg = codec->afg ? codec->afg : codec->mfg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) err = snd_hdac_refresh_widgets(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) codec->power_caps = snd_hdac_read_parm(codec, fg, AC_PAR_POWER_STATE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) /* reread ssid if not set by parameter */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) if (codec->subsystem_id == -1 || codec->subsystem_id == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) snd_hdac_read(codec, fg, AC_VERB_GET_SUBSYSTEM_ID, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) &codec->subsystem_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) err = get_codec_vendor_name(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) codec->chip_name = kasprintf(GFP_KERNEL, "ID %x",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) codec->vendor_id & 0xffff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (!codec->chip_name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) goto error;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) error:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) put_device(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) EXPORT_SYMBOL_GPL(snd_hdac_device_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) * snd_hdac_device_exit - clean up the HD-audio codec base device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * @codec: device to clean up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) void snd_hdac_device_exit(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) pm_runtime_put_noidle(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) /* keep balance of runtime PM child_count in parent device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) pm_runtime_set_suspended(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) snd_hdac_bus_remove_device(codec->bus, codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) kfree(codec->vendor_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) kfree(codec->chip_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) EXPORT_SYMBOL_GPL(snd_hdac_device_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) * snd_hdac_device_register - register the hd-audio codec base device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) * @codec: the device to register
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) int snd_hdac_device_register(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) err = device_add(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) mutex_lock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) err = hda_widget_sysfs_init(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) mutex_unlock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (err < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) device_del(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) EXPORT_SYMBOL_GPL(snd_hdac_device_register);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) * snd_hdac_device_unregister - unregister the hd-audio codec base device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) * @codec: the device to unregister
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) void snd_hdac_device_unregister(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) if (device_is_registered(&codec->dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) mutex_lock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) hda_widget_sysfs_exit(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) mutex_unlock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) device_del(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) snd_hdac_bus_remove_device(codec->bus, codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) EXPORT_SYMBOL_GPL(snd_hdac_device_unregister);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) * snd_hdac_device_set_chip_name - set/update the codec name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) * @codec: the HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) * @name: name string to set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) * Returns 0 if the name is set or updated, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) char *newname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (!name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) newname = kstrdup(name, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) if (!newname)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) kfree(codec->chip_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) codec->chip_name = newname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) EXPORT_SYMBOL_GPL(snd_hdac_device_set_chip_name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) * snd_hdac_codec_modalias - give the module alias name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) * @codec: HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) * @buf: string buffer to store
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) * @size: string buffer size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) * Returns the size of string, like snprintf(), or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) int snd_hdac_codec_modalias(struct hdac_device *codec, char *buf, size_t size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return scnprintf(buf, size, "hdaudio:v%08Xr%08Xa%02X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) codec->vendor_id, codec->revision_id, codec->type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) EXPORT_SYMBOL_GPL(snd_hdac_codec_modalias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) * snd_hdac_make_cmd - compose a 32bit command word to be sent to the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) * HD-audio controller
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) * @nid: NID to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) * @verb: verb to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) * @parm: parameter to encode
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) * Return an encoded command verb or -1 for error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) static unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) unsigned int verb, unsigned int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) u32 val, addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) addr = codec->addr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) if ((addr & ~0xf) || (nid & ~0x7f) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) (verb & ~0xfff) || (parm & ~0xffff)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) dev_err(&codec->dev, "out of range cmd %x:%x:%x:%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) addr, nid, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) val = addr << 28;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) val |= (u32)nid << 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) val |= verb << 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) val |= parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) * snd_hdac_exec_verb - execute an encoded verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) * @cmd: encoded verb to execute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) * @flags: optional flags, pass zero for default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) * @res: the pointer to store the result, NULL if running async
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) * This calls the exec_verb op when set in hdac_codec. If not,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) * call the default snd_hdac_bus_exec_verb().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) unsigned int flags, unsigned int *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) if (codec->exec_verb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return codec->exec_verb(codec, cmd, flags, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) return snd_hdac_bus_exec_verb(codec->bus, codec->addr, cmd, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) * snd_hdac_read - execute a verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) * @nid: NID to execute a verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) * @verb: verb to execute
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) * @parm: parameter for a verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) * @res: the pointer to store the result, NULL if running async
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) unsigned int verb, unsigned int parm, unsigned int *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) unsigned int cmd = snd_hdac_make_cmd(codec, nid, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) return snd_hdac_exec_verb(codec, cmd, 0, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) EXPORT_SYMBOL_GPL(snd_hdac_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) * _snd_hdac_read_parm - read a parmeter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) * @nid: NID to read a parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) * @parm: parameter to read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) * @res: pointer to store the read value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) * This function returns zero or an error unlike snd_hdac_read_parm().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) unsigned int *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) unsigned int cmd;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) cmd = snd_hdac_regmap_encode_verb(nid, AC_VERB_PARAMETERS) | parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) return snd_hdac_regmap_read_raw(codec, cmd, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) EXPORT_SYMBOL_GPL(_snd_hdac_read_parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) * snd_hdac_read_parm_uncached - read a codec parameter without caching
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) * @nid: NID to read a parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) * @parm: parameter to read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) * Returns -1 for error. If you need to distinguish the error more
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) * strictly, use snd_hdac_read() directly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) unsigned int cmd, val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) cmd = snd_hdac_regmap_encode_verb(nid, AC_VERB_PARAMETERS) | parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) if (snd_hdac_regmap_read_raw_uncached(codec, cmd, &val) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) EXPORT_SYMBOL_GPL(snd_hdac_read_parm_uncached);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) * snd_hdac_override_parm - override read-only parameters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) * @nid: NID for the parameter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) * @parm: the parameter to change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) * @val: the parameter value to overwrite
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) unsigned int parm, unsigned int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) unsigned int verb = (AC_VERB_PARAMETERS << 8) | (nid << 20) | parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) if (!codec->regmap)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) codec->caps_overwriting = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) err = snd_hdac_regmap_write_raw(codec, verb, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) codec->caps_overwriting = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) EXPORT_SYMBOL_GPL(snd_hdac_override_parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) * snd_hdac_get_sub_nodes - get start NID and number of subtree nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) * @nid: NID to inspect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) * @start_id: the pointer to store the starting NID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) * Returns the number of subtree nodes or zero if not found.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) * This function reads parameters always without caching.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) hda_nid_t *start_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) unsigned int parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) parm = snd_hdac_read_parm_uncached(codec, nid, AC_PAR_NODE_COUNT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) if (parm == -1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) *start_id = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) *start_id = (parm >> 16) & 0x7fff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) return (int)(parm & 0x7fff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) EXPORT_SYMBOL_GPL(snd_hdac_get_sub_nodes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) * look for an AFG and MFG nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static void setup_fg_nodes(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) int i, total_nodes, function_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) hda_nid_t nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) total_nodes = snd_hdac_get_sub_nodes(codec, AC_NODE_ROOT, &nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) for (i = 0; i < total_nodes; i++, nid++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) function_id = snd_hdac_read_parm(codec, nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) AC_PAR_FUNCTION_TYPE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) switch (function_id & 0xff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) case AC_GRP_AUDIO_FUNCTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) codec->afg = nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) codec->afg_function_id = function_id & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) codec->afg_unsol = (function_id >> 8) & 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) case AC_GRP_MODEM_FUNCTION:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) codec->mfg = nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) codec->mfg_function_id = function_id & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) codec->mfg_unsol = (function_id >> 8) & 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * snd_hdac_refresh_widgets - Reset the widget start/end nodes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) int snd_hdac_refresh_widgets(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) hda_nid_t start_nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) int nums, err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) * Serialize against multiple threads trying to update the sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * widgets array.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) mutex_lock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) nums = snd_hdac_get_sub_nodes(codec, codec->afg, &start_nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) if (!start_nid || nums <= 0 || nums >= 0xff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) dev_err(&codec->dev, "cannot read sub nodes for FG 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) codec->afg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) err = hda_widget_sysfs_reinit(codec, start_nid, nums);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) codec->num_nodes = nums;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) codec->start_nid = start_nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) codec->end_nid = start_nid + nums;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) mutex_unlock(&codec->widget_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) EXPORT_SYMBOL_GPL(snd_hdac_refresh_widgets);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) /* return CONNLIST_LEN parameter of the given widget */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) static unsigned int get_num_conns(struct hdac_device *codec, hda_nid_t nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) unsigned int wcaps = get_wcaps(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) unsigned int parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) if (!(wcaps & AC_WCAP_CONN_LIST) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) get_wcaps_type(wcaps) != AC_WID_VOL_KNB)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) parm = snd_hdac_read_parm(codec, nid, AC_PAR_CONNLIST_LEN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) if (parm == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) parm = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) return parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) * snd_hdac_get_connections - get a widget connection list
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) * @nid: NID
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) * @conn_list: the array to store the results, can be NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) * @max_conns: the max size of the given array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) * Returns the number of connected widgets, zero for no connection, or a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) * negative error code. When the number of elements don't fit with the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) * given array size, it returns -ENOSPC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) * When @conn_list is NULL, it just checks the number of connections.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) hda_nid_t *conn_list, int max_conns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) unsigned int parm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) int i, conn_len, conns, err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) unsigned int shift, num_elems, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) hda_nid_t prev_nid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) int null_count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) parm = get_num_conns(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (!parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) if (parm & AC_CLIST_LONG) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) /* long form */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) shift = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) num_elems = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) /* short form */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) shift = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) num_elems = 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) conn_len = parm & AC_CLIST_LENGTH;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) mask = (1 << (shift-1)) - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) if (!conn_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) return 0; /* no connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) if (conn_len == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) /* single connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) err = snd_hdac_read(codec, nid, AC_VERB_GET_CONNECT_LIST, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) &parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) if (conn_list)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) conn_list[0] = parm & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) /* multi connection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) conns = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) prev_nid = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) for (i = 0; i < conn_len; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) int range_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) hda_nid_t val, n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) if (i % num_elems == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) err = snd_hdac_read(codec, nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) AC_VERB_GET_CONNECT_LIST, i,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) &parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) range_val = !!(parm & (1 << (shift-1))); /* ranges */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) val = parm & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) if (val == 0 && null_count++) { /* no second chance */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) dev_dbg(&codec->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) "invalid CONNECT_LIST verb %x[%i]:%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) nid, i, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) parm >>= shift;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) if (range_val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) /* ranges between the previous and this one */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) if (!prev_nid || prev_nid >= val) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) dev_warn(&codec->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) "invalid dep_range_val %x:%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) prev_nid, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) for (n = prev_nid + 1; n <= val; n++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) if (conn_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) if (conns >= max_conns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) conn_list[conns] = n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) conns++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) if (conn_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) if (conns >= max_conns)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) return -ENOSPC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) conn_list[conns] = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) conns++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) prev_nid = val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) return conns;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) EXPORT_SYMBOL_GPL(snd_hdac_get_connections);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) * snd_hdac_power_up - power up the codec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) * This function calls the runtime PM helper to power up the given codec.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) * Unlike snd_hdac_power_up_pm(), you should call this only for the code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) * path that isn't included in PM path. Otherwise it gets stuck.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) int snd_hdac_power_up(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) return pm_runtime_get_sync(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) EXPORT_SYMBOL_GPL(snd_hdac_power_up);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) * snd_hdac_power_down - power down the codec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) int snd_hdac_power_down(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) struct device *dev = &codec->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) pm_runtime_mark_last_busy(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) return pm_runtime_put_autosuspend(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) EXPORT_SYMBOL_GPL(snd_hdac_power_down);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) * snd_hdac_power_up_pm - power up the codec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) * This function can be called in a recursive code path like init code
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) * which may be called by PM suspend/resume again. OTOH, if a power-up
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) * call must wake up the sleeper (e.g. in a kctl callback), use
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) * snd_hdac_power_up() instead.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) int snd_hdac_power_up_pm(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) if (!atomic_inc_not_zero(&codec->in_pm))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) return snd_hdac_power_up(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) EXPORT_SYMBOL_GPL(snd_hdac_power_up_pm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) /* like snd_hdac_power_up_pm(), but only increment the pm count when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) * already powered up. Returns -1 if not powered up, 1 if incremented
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) * or 0 if unchanged. Only used in hdac_regmap.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) int snd_hdac_keep_power_up(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) if (!atomic_inc_not_zero(&codec->in_pm)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) int ret = pm_runtime_get_if_in_use(&codec->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) return 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) * snd_hdac_power_down_pm - power down the codec
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) * Like snd_hdac_power_up_pm(), this function is used in a recursive
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) * code path like init code which may be called by PM suspend/resume again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) * Returns zero if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) int snd_hdac_power_down_pm(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) if (atomic_dec_if_positive(&codec->in_pm) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) return snd_hdac_power_down(codec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) EXPORT_SYMBOL_GPL(snd_hdac_power_down_pm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) /* codec vendor labels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) struct hda_vendor_id {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) unsigned int id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) const char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) static const struct hda_vendor_id hda_vendor_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) { 0x1002, "ATI" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) { 0x1013, "Cirrus Logic" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) { 0x1057, "Motorola" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) { 0x1095, "Silicon Image" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) { 0x10de, "Nvidia" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) { 0x10ec, "Realtek" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) { 0x1102, "Creative" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) { 0x1106, "VIA" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) { 0x111d, "IDT" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) { 0x11c1, "LSI" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) { 0x11d4, "Analog Devices" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) { 0x13f6, "C-Media" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) { 0x14f1, "Conexant" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) { 0x17e8, "Chrontel" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) { 0x1854, "LG" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) { 0x1aec, "Wolfson Microelectronics" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) { 0x1af4, "QEMU" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) { 0x434d, "C-Media" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) { 0x8086, "Intel" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) { 0x8384, "SigmaTel" },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) {} /* terminator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) /* store the codec vendor name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) static int get_codec_vendor_name(struct hdac_device *codec)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) const struct hda_vendor_id *c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) u16 vendor_id = codec->vendor_id >> 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) for (c = hda_vendor_ids; c->id; c++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) if (c->id == vendor_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) codec->vendor_name = kstrdup(c->name, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) return codec->vendor_name ? 0 : -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) codec->vendor_name = kasprintf(GFP_KERNEL, "Generic %04x", vendor_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) return codec->vendor_name ? 0 : -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) * stream formats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) struct hda_rate_tbl {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) unsigned int hz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) unsigned int alsa_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) unsigned int hda_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) /* rate = base * mult / div */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) #define HDA_RATE(base, mult, div) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) (AC_FMT_BASE_##base##K | (((mult) - 1) << AC_FMT_MULT_SHIFT) | \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) (((div) - 1) << AC_FMT_DIV_SHIFT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) static const struct hda_rate_tbl rate_bits[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) /* rate in Hz, ALSA rate bitmask, HDA format value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) /* autodetected value used in snd_hda_query_supported_pcm */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) { 8000, SNDRV_PCM_RATE_8000, HDA_RATE(48, 1, 6) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) { 11025, SNDRV_PCM_RATE_11025, HDA_RATE(44, 1, 4) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) { 16000, SNDRV_PCM_RATE_16000, HDA_RATE(48, 1, 3) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) { 22050, SNDRV_PCM_RATE_22050, HDA_RATE(44, 1, 2) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) { 32000, SNDRV_PCM_RATE_32000, HDA_RATE(48, 2, 3) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) { 44100, SNDRV_PCM_RATE_44100, HDA_RATE(44, 1, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) { 48000, SNDRV_PCM_RATE_48000, HDA_RATE(48, 1, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) { 88200, SNDRV_PCM_RATE_88200, HDA_RATE(44, 2, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) { 96000, SNDRV_PCM_RATE_96000, HDA_RATE(48, 2, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) { 176400, SNDRV_PCM_RATE_176400, HDA_RATE(44, 4, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) { 192000, SNDRV_PCM_RATE_192000, HDA_RATE(48, 4, 1) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) #define AC_PAR_PCM_RATE_BITS 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) /* up to bits 10, 384kHZ isn't supported properly */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) /* not autodetected value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) { 9600, SNDRV_PCM_RATE_KNOT, HDA_RATE(48, 1, 5) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) { 0 } /* terminator */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) * snd_hdac_calc_stream_format - calculate the format bitset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) * @rate: the sample rate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) * @channels: the number of channels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) * @format: the PCM format (SNDRV_PCM_FORMAT_XXX)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) * @maxbps: the max. bps
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) * @spdif_ctls: HD-audio SPDIF status bits (0 if irrelevant)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) * Calculate the format bitset from the given rate, channels and th PCM format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) * Return zero if invalid.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) unsigned int snd_hdac_calc_stream_format(unsigned int rate,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) unsigned int channels,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) snd_pcm_format_t format,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) unsigned int maxbps,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) unsigned short spdif_ctls)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) unsigned int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) for (i = 0; rate_bits[i].hz; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) if (rate_bits[i].hz == rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) val = rate_bits[i].hda_fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) if (!rate_bits[i].hz)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) if (channels == 0 || channels > 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) val |= channels - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) switch (snd_pcm_format_width(format)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) case 8:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) val |= AC_FMT_BITS_8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) case 16:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) val |= AC_FMT_BITS_16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) case 20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) case 24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) case 32:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) val |= AC_FMT_BITS_32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) else if (maxbps >= 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) val |= AC_FMT_BITS_24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) val |= AC_FMT_BITS_20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) if (spdif_ctls & AC_DIG1_NONAUDIO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) val |= AC_FMT_TYPE_NON_PCM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) EXPORT_SYMBOL_GPL(snd_hdac_calc_stream_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) static unsigned int query_pcm_param(struct hdac_device *codec, hda_nid_t nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) unsigned int val = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) if (nid != codec->afg &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) (get_wcaps(codec, nid) & AC_WCAP_FORMAT_OVRD))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) val = snd_hdac_read_parm(codec, nid, AC_PAR_PCM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) if (!val || val == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) val = snd_hdac_read_parm(codec, codec->afg, AC_PAR_PCM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) if (!val || val == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) return val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) static unsigned int query_stream_param(struct hdac_device *codec, hda_nid_t nid)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) unsigned int streams = snd_hdac_read_parm(codec, nid, AC_PAR_STREAM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) if (!streams || streams == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) streams = snd_hdac_read_parm(codec, codec->afg, AC_PAR_STREAM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) if (!streams || streams == -1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) return streams;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) * snd_hdac_query_supported_pcm - query the supported PCM rates and formats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) * @nid: NID to query
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) * @ratesp: the pointer to store the detected rate bitflags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) * @formatsp: the pointer to store the detected formats
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) * @bpsp: the pointer to store the detected format widths
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) * or @bsps argument is ignored.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) * Returns 0 if successful, otherwise a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) u32 *ratesp, u64 *formatsp, unsigned int *bpsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) unsigned int i, val, wcaps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) wcaps = get_wcaps(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) val = query_pcm_param(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) if (ratesp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) u32 rates = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) if (val & (1 << i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) rates |= rate_bits[i].alsa_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) if (rates == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) dev_err(&codec->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841) "rates == 0 (nid=0x%x, val=0x%x, ovrd=%i)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) nid, val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) *ratesp = rates;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) if (formatsp || bpsp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) u64 formats = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) unsigned int streams, bps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) streams = query_stream_param(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) if (!streams)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) bps = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) if (streams & AC_SUPFMT_PCM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) if (val & AC_SUPPCM_BITS_8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) formats |= SNDRV_PCM_FMTBIT_U8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) bps = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) if (val & AC_SUPPCM_BITS_16) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) formats |= SNDRV_PCM_FMTBIT_S16_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) bps = 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) if (wcaps & AC_WCAP_DIGITAL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) if (val & AC_SUPPCM_BITS_32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) formats |= SNDRV_PCM_FMTBIT_S32_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872) if (val & AC_SUPPCM_BITS_24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) bps = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) else if (val & AC_SUPPCM_BITS_20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) bps = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) AC_SUPPCM_BITS_32)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) formats |= SNDRV_PCM_FMTBIT_S32_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) if (val & AC_SUPPCM_BITS_32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) bps = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) else if (val & AC_SUPPCM_BITS_24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) bps = 24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) else if (val & AC_SUPPCM_BITS_20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) bps = 20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) #if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) if (streams & AC_SUPFMT_FLOAT32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if (!bps)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) bps = 32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) if (streams == AC_SUPFMT_AC3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) /* should be exclusive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) /* temporary hack: we have still no proper support
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) * for the direct AC3 stream...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) formats |= SNDRV_PCM_FMTBIT_U8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) bps = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (formats == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) dev_err(&codec->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) "formats == 0 (nid=0x%x, val=0x%x, ovrd=%i, streams=0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) nid, val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) (wcaps & AC_WCAP_FORMAT_OVRD) ? 1 : 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907) streams);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) if (formatsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) *formatsp = formats;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) if (bpsp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) *bpsp = bps;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) EXPORT_SYMBOL_GPL(snd_hdac_query_supported_pcm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) * snd_hdac_is_supported_format - Check the validity of the format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) * @codec: the codec object
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) * @nid: NID to check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) * @format: the HD-audio format value to check
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) * Check whether the given node supports the format value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) * Returns true if supported, false if not.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) unsigned int format)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) unsigned int val = 0, rate, stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) val = query_pcm_param(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) if (!val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) rate = format & 0xff00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) for (i = 0; i < AC_PAR_PCM_RATE_BITS; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) if (rate_bits[i].hda_fmt == rate) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943) if (val & (1 << i))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) if (i >= AC_PAR_PCM_RATE_BITS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) stream = query_stream_param(codec, nid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) if (!stream)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) if (stream & AC_SUPFMT_PCM) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955) switch (format & 0xf0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) case 0x00:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) if (!(val & AC_SUPPCM_BITS_8))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) case 0x10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) if (!(val & AC_SUPPCM_BITS_16))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) case 0x20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) if (!(val & AC_SUPPCM_BITS_20))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) case 0x30:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969) if (!(val & AC_SUPPCM_BITS_24))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) case 0x40:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) if (!(val & AC_SUPPCM_BITS_32))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) /* FIXME: check for float32 and AC3? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) EXPORT_SYMBOL_GPL(snd_hdac_is_supported_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) static unsigned int codec_read(struct hdac_device *hdac, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) int flags, unsigned int verb, unsigned int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) unsigned int cmd = snd_hdac_make_cmd(hdac, nid, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) unsigned int res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) if (snd_hdac_exec_verb(hdac, cmd, flags, &res))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) return res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) static int codec_write(struct hdac_device *hdac, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) int flags, unsigned int verb, unsigned int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) unsigned int cmd = snd_hdac_make_cmd(hdac, nid, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) return snd_hdac_exec_verb(hdac, cmd, flags, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) * snd_hdac_codec_read - send a command and get the response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) * @hdac: the HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) * @nid: NID to send the command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) * @flags: optional bit flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) * @verb: the verb to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) * @parm: the parameter for the verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) * Send a single command and read the corresponding response.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) * Returns the obtained response value, or -1 for an error.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) int flags, unsigned int verb, unsigned int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) return codec_read(hdac, nid, flags, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) EXPORT_SYMBOL_GPL(snd_hdac_codec_read);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) * snd_hdac_codec_write - send a single command without waiting for response
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) * @hdac: the HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) * @nid: NID to send the command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) * @flags: optional bit flags
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) * @verb: the verb to send
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) * @parm: the parameter for the verb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) * Send a single command without waiting for response.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) * Returns 0 if successful, or a negative error code.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) int flags, unsigned int verb, unsigned int parm)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) return codec_write(hdac, nid, flags, verb, parm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) EXPORT_SYMBOL_GPL(snd_hdac_codec_write);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) * snd_hdac_check_power_state - check whether the actual power state matches
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) * with the target state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) * @hdac: the HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) * @nid: NID to send the command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) * @target_state: target state to check for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) * Return true if state matches, false if not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) bool snd_hdac_check_power_state(struct hdac_device *hdac,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) hda_nid_t nid, unsigned int target_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) unsigned int state = codec_read(hdac, nid, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) AC_VERB_GET_POWER_STATE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) if (state & AC_PWRST_ERROR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) state = (state >> 4) & 0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) return (state == target_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) EXPORT_SYMBOL_GPL(snd_hdac_check_power_state);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) * snd_hdac_sync_power_state - wait until actual power state matches
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) * with the target state
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) * @codec: the HDAC device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) * @nid: NID to send the command
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) * @power_state: target power state to wait for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) * Return power state or PS_ERROR if codec rejects GET verb.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) unsigned int snd_hdac_sync_power_state(struct hdac_device *codec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) hda_nid_t nid, unsigned int power_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) unsigned long end_time = jiffies + msecs_to_jiffies(500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) unsigned int state, actual_state, count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) for (count = 0; count < 500; count++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) state = snd_hdac_codec_read(codec, nid, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) AC_VERB_GET_POWER_STATE, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) if (state & AC_PWRST_ERROR) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) msleep(20);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) actual_state = (state >> 4) & 0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) if (actual_state == power_state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) if (time_after_eq(jiffies, end_time))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) /* wait until the codec reachs to the target state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) msleep(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) return state;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) EXPORT_SYMBOL_GPL(snd_hdac_sync_power_state);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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