writew(((readw(addr + reg) & ~(mask)) | (val)), \
addr + reg)
+
+struct hdac_ext_device;
+
+/* ops common to all codec drivers */
+struct hdac_ext_codec_ops {
+ int (*build_controls)(struct hdac_ext_device *dev);
+ int (*init)(struct hdac_ext_device *dev);
+ void (*free)(struct hdac_ext_device *dev);
+};
+
+struct hda_dai_map {
+ char *dai_name;
+ hda_nid_t nid;
+ u32 maxbps;
+};
+
+#define HDA_MAX_NIDS 16
+
+/**
+ * struct hdac_ext_device - HDAC Ext device
+ *
+ * @hdac: hdac core device
+ * @nid_list - the dai map which matches the dai-name with the nid
+ * @map_cur_idx - the idx in use in dai_map
+ * @ops - the hda codec ops common to all codec drivers
+ * @pvt_data - private data, for asoc contains asoc codec object
+ */
+struct hdac_ext_device {
+ struct hdac_device hdac;
+ struct hdac_ext_bus *ebus;
+
+ /* soc-dai to nid map */
+ struct hda_dai_map nid_list[HDA_MAX_NIDS];
+ unsigned int map_cur_idx;
+
+ /* codec ops */
+ struct hdac_ext_codec_ops ops;
+
+ void *private_data;
+};
+
+#define to_ehdac_device(dev) (container_of((dev), \
+ struct hdac_ext_device, hdac))
+
#endif /* __SOUND_HDAUDIO_EXT_H */
}
/**
- * snd_hdac_ext_device_init - initialize the HDA extended codec base device
+ * snd_hdac_ext_bus_device_init - initialize the HDA extended codec base device
* @ebus: hdac extended bus to attach to
* @addr: codec address
*
*/
int snd_hdac_ext_bus_device_init(struct hdac_ext_bus *ebus, int addr)
{
+ struct hdac_ext_device *edev;
struct hdac_device *hdev = NULL;
struct hdac_bus *bus = ebus_to_hbus(ebus);
char name[15];
int ret;
- hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
- if (!hdev)
+ edev = kzalloc(sizeof(*hdev), GFP_KERNEL);
+ if (!edev)
return -ENOMEM;
+ hdev = &edev->hdac;
snprintf(name, sizeof(name), "ehdaudio%dD%d", ebus->idx, addr);
snd_hdac_ext_bus_device_exit(hdev);
return ret;
}
+
return 0;
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_init);
*/
void snd_hdac_ext_bus_device_exit(struct hdac_device *hdev)
{
+ struct hdac_ext_device *edev = to_ehdac_device(hdev);
+
snd_hdac_device_exit(hdev);
- kfree(hdev);
+ kfree(edev);
}
EXPORT_SYMBOL_GPL(snd_hdac_ext_bus_device_exit);