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-rw-r--r--sound/pci/hda/hda_codec.h537
1 files changed, 537 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
new file mode 100644
index 000000000..2003403ce
--- /dev/null
+++ b/sound/pci/hda/hda_codec.h
@@ -0,0 +1,537 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __SOUND_HDA_CODEC_H
+#define __SOUND_HDA_CODEC_H
+
+#include <linux/kref.h>
+#include <linux/mod_devicetable.h>
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+#include <sound/hwdep.h>
+#include <sound/hdaudio.h>
+#include <sound/hda_verbs.h>
+#include <sound/hda_regmap.h>
+
+/*
+ * Structures
+ */
+
+struct hda_bus;
+struct hda_beep;
+struct hda_codec;
+struct hda_pcm;
+struct hda_pcm_stream;
+
+/*
+ * codec bus
+ *
+ * each controller needs to creata a hda_bus to assign the accessor.
+ * A hda_bus contains several codecs in the list codec_list.
+ */
+struct hda_bus {
+ struct hdac_bus core;
+
+ struct snd_card *card;
+
+ struct pci_dev *pci;
+ const char *modelname;
+
+ struct mutex prepare_mutex;
+
+ /* assigned PCMs */
+ DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
+
+ /* misc op flags */
+ unsigned int needs_damn_long_delay :1;
+ unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
+ /* status for codec/controller */
+ unsigned int shutdown :1; /* being unloaded */
+ unsigned int response_reset:1; /* controller was reset */
+ unsigned int in_reset:1; /* during reset operation */
+ unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
+ unsigned int bus_probing :1; /* during probing process */
+
+ int primary_dig_out_type; /* primary digital out PCM type */
+ unsigned int mixer_assigned; /* codec addr for mixer name */
+};
+
+/* from hdac_bus to hda_bus */
+#define to_hda_bus(bus) container_of(bus, struct hda_bus, core)
+
+/*
+ * codec preset
+ *
+ * Known codecs have the patch to build and set up the controls/PCMs
+ * better than the generic parser.
+ */
+typedef int (*hda_codec_patch_t)(struct hda_codec *);
+
+#define HDA_CODEC_ID_SKIP_PROBE 0x00000001
+#define HDA_CODEC_ID_GENERIC_HDMI 0x00000101
+#define HDA_CODEC_ID_GENERIC 0x00000201
+
+#define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
+ { .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
+ .api_version = HDA_DEV_LEGACY, \
+ .driver_data = (unsigned long)(_patch) }
+#define HDA_CODEC_ENTRY(_vid, _name, _patch) \
+ HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
+
+struct hda_codec_driver {
+ struct hdac_driver core;
+ const struct hda_device_id *id;
+};
+
+int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
+ struct module *owner);
+#define hda_codec_driver_register(drv) \
+ __hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
+void hda_codec_driver_unregister(struct hda_codec_driver *drv);
+#define module_hda_codec_driver(drv) \
+ module_driver(drv, hda_codec_driver_register, \
+ hda_codec_driver_unregister)
+
+/* ops set by the preset patch */
+struct hda_codec_ops {
+ int (*build_controls)(struct hda_codec *codec);
+ int (*build_pcms)(struct hda_codec *codec);
+ int (*init)(struct hda_codec *codec);
+ void (*free)(struct hda_codec *codec);
+ void (*unsol_event)(struct hda_codec *codec, unsigned int res);
+ void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
+ unsigned int power_state);
+#ifdef CONFIG_PM
+ int (*suspend)(struct hda_codec *codec);
+ int (*resume)(struct hda_codec *codec);
+ int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
+#endif
+ void (*reboot_notify)(struct hda_codec *codec);
+ void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
+};
+
+/* PCM callbacks */
+struct hda_pcm_ops {
+ int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
+ struct snd_pcm_substream *substream);
+ int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
+ struct snd_pcm_substream *substream);
+ int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
+ unsigned int stream_tag, unsigned int format,
+ struct snd_pcm_substream *substream);
+ int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
+ struct snd_pcm_substream *substream);
+ unsigned int (*get_delay)(struct hda_pcm_stream *info,
+ struct hda_codec *codec,
+ struct snd_pcm_substream *substream);
+};
+
+/* PCM information for each substream */
+struct hda_pcm_stream {
+ unsigned int substreams; /* number of substreams, 0 = not exist*/
+ unsigned int channels_min; /* min. number of channels */
+ unsigned int channels_max; /* max. number of channels */
+ hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
+ u32 rates; /* supported rates */
+ u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
+ unsigned int maxbps; /* supported max. bit per sample */
+ const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
+ struct hda_pcm_ops ops;
+};
+
+/* PCM types */
+enum {
+ HDA_PCM_TYPE_AUDIO,
+ HDA_PCM_TYPE_SPDIF,
+ HDA_PCM_TYPE_HDMI,
+ HDA_PCM_TYPE_MODEM,
+ HDA_PCM_NTYPES
+};
+
+#define SNDRV_PCM_INVALID_DEVICE (-1)
+/* for PCM creation */
+struct hda_pcm {
+ char *name;
+ struct hda_pcm_stream stream[2];
+ unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
+ int device; /* device number to assign */
+ struct snd_pcm *pcm; /* assigned PCM instance */
+ bool own_chmap; /* codec driver provides own channel maps */
+ /* private: */
+ struct hda_codec *codec;
+ struct kref kref;
+ struct list_head list;
+};
+
+/* codec information */
+struct hda_codec {
+ struct hdac_device core;
+ struct hda_bus *bus;
+ struct snd_card *card;
+ unsigned int addr; /* codec addr*/
+ u32 probe_id; /* overridden id for probing */
+
+ /* detected preset */
+ const struct hda_device_id *preset;
+ const char *modelname; /* model name for preset */
+
+ /* set by patch */
+ struct hda_codec_ops patch_ops;
+
+ /* PCM to create, set by patch_ops.build_pcms callback */
+ struct list_head pcm_list_head;
+
+ /* codec specific info */
+ void *spec;
+
+ /* beep device */
+ struct hda_beep *beep;
+ unsigned int beep_mode;
+
+ /* widget capabilities cache */
+ u32 *wcaps;
+
+ struct snd_array mixers; /* list of assigned mixer elements */
+ struct snd_array nids; /* list of mapped mixer elements */
+
+ struct list_head conn_list; /* linked-list of connection-list */
+
+ struct mutex spdif_mutex;
+ struct mutex control_mutex;
+ struct snd_array spdif_out;
+ unsigned int spdif_in_enable; /* SPDIF input enable? */
+ const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
+ struct snd_array init_pins; /* initial (BIOS) pin configurations */
+ struct snd_array driver_pins; /* pin configs set by codec parser */
+ struct snd_array cvt_setups; /* audio convert setups */
+
+ struct mutex user_mutex;
+#ifdef CONFIG_SND_HDA_RECONFIG
+ struct snd_array init_verbs; /* additional init verbs */
+ struct snd_array hints; /* additional hints */
+ struct snd_array user_pins; /* default pin configs to override */
+#endif
+
+#ifdef CONFIG_SND_HDA_HWDEP
+ struct snd_hwdep *hwdep; /* assigned hwdep device */
+#endif
+
+ /* misc flags */
+ unsigned int in_freeing:1; /* being released */
+ unsigned int registered:1; /* codec was registered */
+ unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
+ * status change
+ * (e.g. Realtek codecs)
+ */
+ unsigned int pin_amp_workaround:1; /* pin out-amp takes index
+ * (e.g. Conexant codecs)
+ */
+ unsigned int single_adc_amp:1; /* adc in-amp takes no index
+ * (e.g. CX20549 codec)
+ */
+ unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
+ unsigned int pins_shutup:1; /* pins are shut up */
+ unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
+ unsigned int no_jack_detect:1; /* Machine has no jack-detection */
+ unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
+ unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
+ unsigned int pcm_format_first:1; /* PCM format must be set first */
+ unsigned int cached_write:1; /* write only to caches */
+ unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
+ unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
+ unsigned int power_save_node:1; /* advanced PM for each widget */
+ unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
+ unsigned int force_pin_prefix:1; /* Add location prefix */
+ unsigned int link_down_at_suspend:1; /* link down at runtime suspend */
+ unsigned int relaxed_resume:1; /* don't resume forcibly for jack */
+
+#ifdef CONFIG_PM
+ unsigned long power_on_acct;
+ unsigned long power_off_acct;
+ unsigned long power_jiffies;
+#endif
+
+ /* filter the requested power state per nid */
+ unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int power_state);
+
+ /* codec-specific additional proc output */
+ void (*proc_widget_hook)(struct snd_info_buffer *buffer,
+ struct hda_codec *codec, hda_nid_t nid);
+
+ /* jack detection */
+ struct snd_array jacktbl;
+ unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
+ struct delayed_work jackpoll_work;
+
+ /* jack detection */
+ struct snd_array jacks;
+
+ int depop_delay; /* depop delay in ms, -1 for default delay time */
+
+ /* fix-up list */
+ int fixup_id;
+ const struct hda_fixup *fixup_list;
+ const char *fixup_name;
+
+ /* additional init verbs */
+ struct snd_array verbs;
+};
+
+#define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev)
+#define hda_codec_dev(_dev) (&(_dev)->core.dev)
+
+#define list_for_each_codec(c, bus) \
+ list_for_each_entry(c, &(bus)->core.codec_list, core.list)
+#define list_for_each_codec_safe(c, n, bus) \
+ list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list)
+
+/* snd_hda_codec_read/write optional flags */
+#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
+
+/*
+ * constructors
+ */
+int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
+ unsigned int codec_addr, struct hda_codec **codecp);
+int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card,
+ unsigned int codec_addr, struct hda_codec *codec);
+int snd_hda_codec_configure(struct hda_codec *codec);
+int snd_hda_codec_update_widgets(struct hda_codec *codec);
+
+/*
+ * low level functions
+ */
+static inline unsigned int
+snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
+ int flags,
+ unsigned int verb, unsigned int parm)
+{
+ return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm);
+}
+
+static inline int
+snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
+ unsigned int verb, unsigned int parm)
+{
+ return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm);
+}
+
+#define snd_hda_param_read(codec, nid, param) \
+ snd_hdac_read_parm(&(codec)->core, nid, param)
+#define snd_hda_get_sub_nodes(codec, nid, start_nid) \
+ snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
+int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
+ hda_nid_t *conn_list, int max_conns);
+static inline int
+snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
+{
+ return snd_hda_get_connections(codec, nid, NULL, 0);
+}
+
+#define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
+ snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
+#define snd_hda_get_num_raw_conns(codec, nid) \
+ snd_hdac_get_connections(&(codec)->core, nid, NULL, 0);
+
+int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
+ const hda_nid_t **listp);
+int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
+ const hda_nid_t *list);
+int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
+ hda_nid_t nid, int recursive);
+unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
+ u8 *dev_list, int max_devices);
+int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id);
+
+struct hda_verb {
+ hda_nid_t nid;
+ u32 verb;
+ u32 param;
+};
+
+void snd_hda_sequence_write(struct hda_codec *codec,
+ const struct hda_verb *seq);
+
+/* unsolicited event */
+static inline void
+snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
+{
+ snd_hdac_bus_queue_event(&bus->core, res, res_ex);
+}
+
+/* cached write */
+static inline int
+snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
+ int flags, unsigned int verb, unsigned int parm)
+{
+ return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
+}
+
+/* the struct for codec->pin_configs */
+struct hda_pincfg {
+ hda_nid_t nid;
+ unsigned char ctrl; /* original pin control value */
+ unsigned char target; /* target pin control value */
+ unsigned int cfg; /* default configuration */
+};
+
+unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int cfg);
+int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
+ hda_nid_t nid, unsigned int cfg); /* for hwdep */
+void snd_hda_shutup_pins(struct hda_codec *codec);
+
+/* SPDIF controls */
+struct hda_spdif_out {
+ hda_nid_t nid; /* Converter nid values relate to */
+ unsigned int status; /* IEC958 status bits */
+ unsigned short ctls; /* SPDIF control bits */
+};
+struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
+ hda_nid_t nid);
+void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
+void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
+
+/*
+ * Mixer
+ */
+int snd_hda_codec_build_controls(struct hda_codec *codec);
+
+/*
+ * PCM
+ */
+int snd_hda_codec_parse_pcms(struct hda_codec *codec);
+int snd_hda_codec_build_pcms(struct hda_codec *codec);
+
+__printf(2, 3)
+struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
+ const char *fmt, ...);
+
+static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
+{
+ kref_get(&pcm->kref);
+}
+void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
+
+int snd_hda_codec_prepare(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo,
+ unsigned int stream,
+ unsigned int format,
+ struct snd_pcm_substream *substream);
+void snd_hda_codec_cleanup(struct hda_codec *codec,
+ struct hda_pcm_stream *hinfo,
+ struct snd_pcm_substream *substream);
+
+void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
+ u32 stream_tag,
+ int channel_id, int format);
+void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
+ int do_now);
+#define snd_hda_codec_cleanup_stream(codec, nid) \
+ __snd_hda_codec_cleanup_stream(codec, nid, 0)
+
+#define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
+ snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
+#define snd_hda_is_supported_format(codec, nid, fmt) \
+ snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
+
+extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
+
+int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
+ struct hda_pcm *cpcm);
+
+/*
+ * Misc
+ */
+void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
+void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
+ unsigned int power_state);
+
+int snd_hda_lock_devices(struct hda_bus *bus);
+void snd_hda_unlock_devices(struct hda_bus *bus);
+void snd_hda_bus_reset(struct hda_bus *bus);
+void snd_hda_bus_reset_codecs(struct hda_bus *bus);
+
+int snd_hda_codec_set_name(struct hda_codec *codec, const char *name);
+
+/*
+ * power management
+ */
+extern const struct dev_pm_ops hda_codec_driver_pm;
+
+static inline
+int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
+{
+#ifdef CONFIG_PM
+ if (codec->patch_ops.check_power_status)
+ return codec->patch_ops.check_power_status(codec, nid);
+#endif
+ return 0;
+}
+
+/*
+ * power saving
+ */
+#define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core)
+#define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core)
+#define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core)
+#define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core)
+#ifdef CONFIG_PM
+void snd_hda_set_power_save(struct hda_bus *bus, int delay);
+void snd_hda_update_power_acct(struct hda_codec *codec);
+#else
+static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
+#endif
+
+#ifdef CONFIG_SND_HDA_PATCH_LOADER
+/*
+ * patch firmware
+ */
+int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
+#endif
+
+#ifdef CONFIG_SND_HDA_DSP_LOADER
+int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
+ unsigned int size,
+ struct snd_dma_buffer *bufp);
+void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
+void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
+ struct snd_dma_buffer *dmab);
+#else
+static inline int
+snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
+ unsigned int size,
+ struct snd_dma_buffer *bufp)
+{
+ return -ENOSYS;
+}
+static inline void
+snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
+static inline void
+snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
+ struct snd_dma_buffer *dmab) {}
+#endif
+
+#endif /* __SOUND_HDA_CODEC_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 08:57:00 +0000