]> git.proxmox.com Git - mirror_ubuntu-artful-kernel.git/blobdiff - sound/pci/hda/hda_bind.c
ALSA: hda - Add widget sysfs tree
[mirror_ubuntu-artful-kernel.git] / sound / pci / hda / hda_bind.c
index 1f40ce3c16969f2de567c9997ae90fb906bcdcff..130f672e6f37b2a913471fbc69d3ae4d06d6e228 100644 (file)
 #include "hda_codec.h"
 #include "hda_local.h"
 
-/* codec vendor labels */
-struct hda_vendor_id {
-       unsigned int id;
-       const char *name;
-};
-
-static struct hda_vendor_id hda_vendor_ids[] = {
-       { 0x1002, "ATI" },
-       { 0x1013, "Cirrus Logic" },
-       { 0x1057, "Motorola" },
-       { 0x1095, "Silicon Image" },
-       { 0x10de, "Nvidia" },
-       { 0x10ec, "Realtek" },
-       { 0x1102, "Creative" },
-       { 0x1106, "VIA" },
-       { 0x111d, "IDT" },
-       { 0x11c1, "LSI" },
-       { 0x11d4, "Analog Devices" },
-       { 0x13f6, "C-Media" },
-       { 0x14f1, "Conexant" },
-       { 0x17e8, "Chrontel" },
-       { 0x1854, "LG" },
-       { 0x1aec, "Wolfson Microelectronics" },
-       { 0x1af4, "QEMU" },
-       { 0x434d, "C-Media" },
-       { 0x8086, "Intel" },
-       { 0x8384, "SigmaTel" },
-       {} /* terminator */
-};
-
 /*
  * find a matching codec preset
  */
-static int hda_bus_match(struct device *dev, struct device_driver *drv)
+static int hda_codec_match(struct hdac_device *dev, struct hdac_driver *drv)
 {
-       struct hda_codec *codec = container_of(dev, struct hda_codec, dev);
+       struct hda_codec *codec = container_of(dev, struct hda_codec, core);
        struct hda_codec_driver *driver =
-               container_of(drv, struct hda_codec_driver, driver);
+               container_of(drv, struct hda_codec_driver, core);
        const struct hda_codec_preset *preset;
        /* check probe_id instead of vendor_id if set */
-       u32 id = codec->probe_id ? codec->probe_id : codec->vendor_id;
+       u32 id = codec->probe_id ? codec->probe_id : codec->core.vendor_id;
 
        for (preset = driver->preset; preset->id; preset++) {
                u32 mask = preset->mask;
 
-               if (preset->afg && preset->afg != codec->afg)
+               if (preset->afg && preset->afg != codec->core.afg)
                        continue;
-               if (preset->mfg && preset->mfg != codec->mfg)
+               if (preset->mfg && preset->mfg != codec->core.mfg)
                        continue;
                if (!mask)
                        mask = ~0;
                if (preset->id == (id & mask) &&
-                   (!preset->rev || preset->rev == codec->revision_id)) {
+                   (!preset->rev || preset->rev == codec->core.revision_id)) {
                        codec->preset = preset;
                        return 1;
                }
@@ -74,18 +44,23 @@ static int hda_bus_match(struct device *dev, struct device_driver *drv)
        return 0;
 }
 
+/* process an unsolicited event */
+static void hda_codec_unsol_event(struct hdac_device *dev, unsigned int ev)
+{
+       struct hda_codec *codec = container_of(dev, struct hda_codec, core);
+
+       if (codec->patch_ops.unsol_event)
+               codec->patch_ops.unsol_event(codec, ev);
+}
+
 /* reset the codec name from the preset */
 static int codec_refresh_name(struct hda_codec *codec, const char *name)
 {
-       char tmp[16];
-
-       kfree(codec->chip_name);
-       if (!name) {
-               sprintf(tmp, "ID %x", codec->vendor_id & 0xffff);
-               name = tmp;
+       if (name) {
+               kfree(codec->core.chip_name);
+               codec->core.chip_name = kstrdup(name, GFP_KERNEL);
        }
-       codec->chip_name = kstrdup(name, GFP_KERNEL);
-       return codec->chip_name ? 0 : -ENOMEM;
+       return codec->core.chip_name ? 0 : -ENOMEM;
 }
 
 static int hda_codec_driver_probe(struct device *dev)
@@ -154,20 +129,23 @@ static void hda_codec_driver_shutdown(struct device *dev)
 int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
                               struct module *owner)
 {
-       drv->driver.name = name;
-       drv->driver.owner = owner;
-       drv->driver.bus = &snd_hda_bus_type;
-       drv->driver.probe = hda_codec_driver_probe;
-       drv->driver.remove = hda_codec_driver_remove;
-       drv->driver.shutdown = hda_codec_driver_shutdown;
-       drv->driver.pm = &hda_codec_driver_pm;
-       return driver_register(&drv->driver);
+       drv->core.driver.name = name;
+       drv->core.driver.owner = owner;
+       drv->core.driver.bus = &snd_hda_bus_type;
+       drv->core.driver.probe = hda_codec_driver_probe;
+       drv->core.driver.remove = hda_codec_driver_remove;
+       drv->core.driver.shutdown = hda_codec_driver_shutdown;
+       drv->core.driver.pm = &hda_codec_driver_pm;
+       drv->core.type = HDA_DEV_LEGACY;
+       drv->core.match = hda_codec_match;
+       drv->core.unsol_event = hda_codec_unsol_event;
+       return driver_register(&drv->core.driver);
 }
 EXPORT_SYMBOL_GPL(__hda_codec_driver_register);
 
 void hda_codec_driver_unregister(struct hda_codec_driver *drv)
 {
-       driver_unregister(&drv->driver);
+       driver_unregister(&drv->core.driver);
 }
 EXPORT_SYMBOL_GPL(hda_codec_driver_unregister);
 
@@ -180,48 +158,23 @@ static inline bool codec_probed(struct hda_codec *codec)
 static void codec_bind_module(struct hda_codec *codec)
 {
 #ifdef MODULE
-       request_module("snd-hda-codec-id:%08x", codec->vendor_id);
+       request_module("snd-hda-codec-id:%08x", codec->core.vendor_id);
        if (codec_probed(codec))
                return;
        request_module("snd-hda-codec-id:%04x*",
-                      (codec->vendor_id >> 16) & 0xffff);
+                      (codec->core.vendor_id >> 16) & 0xffff);
        if (codec_probed(codec))
                return;
 #endif
 }
 
-/* store the codec vendor name */
-static int get_codec_vendor_name(struct hda_codec *codec)
-{
-       const struct hda_vendor_id *c;
-       const char *vendor = NULL;
-       u16 vendor_id = codec->vendor_id >> 16;
-       char tmp[16];
-
-       for (c = hda_vendor_ids; c->id; c++) {
-               if (c->id == vendor_id) {
-                       vendor = c->name;
-                       break;
-               }
-       }
-       if (!vendor) {
-               sprintf(tmp, "Generic %04x", vendor_id);
-               vendor = tmp;
-       }
-       codec->vendor_name = kstrdup(vendor, GFP_KERNEL);
-       if (!codec->vendor_name)
-               return -ENOMEM;
-       return 0;
-}
-
 #if IS_ENABLED(CONFIG_SND_HDA_CODEC_HDMI)
 /* if all audio out widgets are digital, let's assume the codec as a HDMI/DP */
 static bool is_likely_hdmi_codec(struct hda_codec *codec)
 {
-       hda_nid_t nid = codec->start_nid;
-       int i;
+       hda_nid_t nid;
 
-       for (i = 0; i < codec->num_nodes; i++, nid++) {
+       for_each_hda_codec_node(nid, codec) {
                unsigned int wcaps = get_wcaps(codec, nid);
                switch (get_wcaps_type(wcaps)) {
                case AC_WID_AUD_IN:
@@ -282,18 +235,12 @@ int snd_hda_codec_configure(struct hda_codec *codec)
 {
        int err;
 
-       if (!codec->vendor_name) {
-               err = get_codec_vendor_name(codec);
-               if (err < 0)
-                       return err;
-       }
-
        if (is_generic_config(codec))
                codec->probe_id = HDA_CODEC_ID_GENERIC;
        else
                codec->probe_id = 0;
 
-       err = device_add(hda_codec_dev(codec));
+       err = snd_hdac_device_register(&codec->core);
        if (err < 0)
                return err;
 
@@ -308,35 +255,14 @@ int snd_hda_codec_configure(struct hda_codec *codec)
        }
 
        /* audio codec should override the mixer name */
-       if (codec->afg || !*codec->card->mixername)
+       if (codec->core.afg || !*codec->card->mixername)
                snprintf(codec->card->mixername,
-                        sizeof(codec->card->mixername),
-                        "%s %s", codec->vendor_name, codec->chip_name);
+                        sizeof(codec->card->mixername), "%s %s",
+                        codec->core.vendor_name, codec->core.chip_name);
        return 0;
 
  error:
-       device_del(hda_codec_dev(codec));
+       snd_hdac_device_unregister(&codec->core);
        return err;
 }
 EXPORT_SYMBOL_GPL(snd_hda_codec_configure);
-
-/*
- * bus registration
- */
-struct bus_type snd_hda_bus_type = {
-       .name = "hdaudio",
-       .match = hda_bus_match,
-};
-
-static int __init hda_codec_init(void)
-{
-       return bus_register(&snd_hda_bus_type);
-}
-
-static void __exit hda_codec_exit(void)
-{
-       bus_unregister(&snd_hda_bus_type);
-}
-
-module_init(hda_codec_init);
-module_exit(hda_codec_exit);