diff options
Diffstat (limited to 'sound/pci/hda/hda_codec.h')
| -rw-r--r-- | sound/pci/hda/hda_codec.h | 162 |
1 files changed, 62 insertions, 100 deletions
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h index 9c8820f21f94..ccf355d4a8fa 100644 --- a/sound/pci/hda/hda_codec.h +++ b/sound/pci/hda/hda_codec.h @@ -21,6 +21,7 @@ #ifndef __SOUND_HDA_CODEC_H #define __SOUND_HDA_CODEC_H +#include <linux/kref.h> #include <sound/info.h> #include <sound/control.h> #include <sound/pcm.h> @@ -66,7 +67,6 @@ struct hda_beep; struct hda_codec; struct hda_pcm; struct hda_pcm_stream; -struct hda_bus_unsolicited; /* NID type */ typedef u16 hda_nid_t; @@ -84,10 +84,6 @@ struct hda_bus_ops { struct hda_pcm *pcm); /* reset bus for retry verb */ void (*bus_reset)(struct hda_bus *bus); -#ifdef CONFIG_PM - /* notify power-up/down from codec to controller */ - void (*pm_notify)(struct hda_bus *bus, bool power_up); -#endif #ifdef CONFIG_SND_HDA_DSP_LOADER /* prepare DSP transfer */ int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format, @@ -101,13 +97,14 @@ struct hda_bus_ops { #endif }; -/* template to pass to the bus constructor */ -struct hda_bus_template { - void *private_data; - struct pci_dev *pci; - const char *modelname; - int *power_save; - struct hda_bus_ops ops; +/* unsolicited event handler */ +#define HDA_UNSOL_QUEUE_SIZE 64 +struct hda_bus_unsolicited { + /* ring buffer */ + u32 queue[HDA_UNSOL_QUEUE_SIZE * 2]; + unsigned int rp, wp; + /* workqueue */ + struct work_struct work; }; /* @@ -119,11 +116,9 @@ struct hda_bus_template { struct hda_bus { struct snd_card *card; - /* copied from template */ void *private_data; struct pci_dev *pci; const char *modelname; - int *power_save; struct hda_bus_ops ops; /* codec linked list */ @@ -136,9 +131,7 @@ struct hda_bus { struct mutex prepare_mutex; /* unsolicited event queue */ - struct hda_bus_unsolicited *unsol; - char workq_name[16]; - struct workqueue_struct *workq; /* common workqueue for codecs */ + struct hda_bus_unsolicited unsol; /* assigned PCMs */ DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES); @@ -152,10 +145,10 @@ struct hda_bus { unsigned int rirb_error:1; /* error in codec communication */ unsigned int response_reset:1; /* controller was reset */ unsigned int in_reset:1; /* during reset operation */ - unsigned int power_keep_link_on:1; /* don't power off HDA link */ unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ int primary_dig_out_type; /* primary digital out PCM type */ + unsigned long codec_powered; /* bit flags of powered codecs */ }; /* @@ -175,15 +168,22 @@ struct hda_codec_preset { int (*patch)(struct hda_codec *codec); }; -struct hda_codec_preset_list { +#define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 +#define HDA_CODEC_ID_GENERIC 0x00000201 + +struct hda_codec_driver { + struct device_driver driver; const struct hda_codec_preset *preset; - struct module *owner; - struct list_head list; }; -/* initial hook */ -int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset); -int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset); +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 { @@ -200,6 +200,7 @@ struct hda_codec_ops { 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); }; /* record for amp information cache */ @@ -267,12 +268,17 @@ struct hda_pcm { 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 device dev; struct hda_bus *bus; + struct snd_card *card; unsigned int addr; /* codec addr*/ struct list_head list; /* list point */ @@ -287,11 +293,10 @@ struct hda_codec { u32 vendor_id; u32 subsystem_id; u32 revision_id; + u32 probe_id; /* overridden id for probing */ /* detected preset */ const struct hda_codec_preset *preset; - struct module *owner; - int (*parser)(struct hda_codec *codec); const char *vendor_name; /* codec vendor name */ const char *chip_name; /* codec chip name */ const char *modelname; /* model name for preset */ @@ -300,8 +305,7 @@ struct hda_codec { struct hda_codec_ops patch_ops; /* PCM to create, set by patch_ops.build_pcms callback */ - unsigned int num_pcms; - struct hda_pcm *pcm_info; + struct list_head pcm_list_head; /* codec specific info */ void *spec; @@ -345,6 +349,7 @@ struct hda_codec { #endif /* misc flags */ + unsigned int in_freeing:1; /* being released */ unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each * status change * (e.g. Realtek codecs) @@ -366,18 +371,13 @@ struct hda_codec { 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 */ #ifdef CONFIG_PM - unsigned int power_on :1; /* current (global) power-state */ unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */ - unsigned int pm_up_notified:1; /* PM notified to controller */ - unsigned int in_pm:1; /* suspend/resume being performed */ - int power_transition; /* power-state in transition */ - int power_count; /* current (global) power refcount */ - struct delayed_work power_work; /* delayed task for powerdown */ + atomic_t in_pm; /* suspend/resume being performed */ unsigned long power_on_acct; unsigned long power_off_acct; unsigned long power_jiffies; - spinlock_t power_lock; #endif /* filter the requested power state per nid */ @@ -409,6 +409,11 @@ struct hda_codec { struct snd_array verbs; }; +#define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, dev) +#define hda_codec_dev(_dev) (&(_dev)->dev) + +extern struct bus_type snd_hda_bus_type; + /* direction */ enum { HDA_INPUT, HDA_OUTPUT @@ -420,10 +425,9 @@ enum { /* * constructors */ -int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, - struct hda_bus **busp); -int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, - struct hda_codec **codecp); +int snd_hda_bus_new(struct snd_card *card, struct hda_bus **busp); +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_configure(struct hda_codec *codec); int snd_hda_codec_update_widgets(struct hda_codec *codec); @@ -512,15 +516,24 @@ void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); /* * Mixer */ -int snd_hda_build_controls(struct hda_bus *bus); int snd_hda_codec_build_controls(struct hda_codec *codec); /* * PCM */ -int snd_hda_build_pcms(struct hda_bus *bus); +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, @@ -552,20 +565,17 @@ extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; * Misc */ void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); -void snd_hda_bus_reboot_notify(struct hda_bus *bus); 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); /* * power management */ -#ifdef CONFIG_PM -int snd_hda_suspend(struct hda_bus *bus); -int snd_hda_resume(struct hda_bus *bus); -#endif +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) @@ -588,64 +598,16 @@ const char *snd_hda_get_jack_location(u32 cfg); * power saving */ #ifdef CONFIG_PM -void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait); +void snd_hda_power_up(struct hda_codec *codec); +void snd_hda_power_down(struct hda_codec *codec); +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_power_save(struct hda_codec *codec, int delta, - bool d3wait) {} +static inline void snd_hda_power_up(struct hda_codec *codec) {} +static inline void snd_hda_power_down(struct hda_codec *codec) {} +static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {} #endif -/** - * snd_hda_power_up - Power-up the codec - * @codec: HD-audio codec - * - * Increment the power-up counter and power up the hardware really when - * not turned on yet. - */ -static inline void snd_hda_power_up(struct hda_codec *codec) -{ - snd_hda_power_save(codec, 1, false); -} - -/** - * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending - * D3 transition to complete. This differs from snd_hda_power_up() when - * power_transition == -1. snd_hda_power_up sees this case as a nop, - * snd_hda_power_up_d3wait waits for the D3 transition to complete then powers - * back up. - * @codec: HD-audio codec - * - * Cancel any power down operation hapenning on the work queue, then power up. - */ -static inline void snd_hda_power_up_d3wait(struct hda_codec *codec) -{ - snd_hda_power_save(codec, 1, true); -} - -/** - * snd_hda_power_down - Power-down the codec - * @codec: HD-audio codec - * - * Decrement the power-up counter and schedules the power-off work if - * the counter rearches to zero. - */ -static inline void snd_hda_power_down(struct hda_codec *codec) -{ - snd_hda_power_save(codec, -1, false); -} - -/** - * snd_hda_power_sync - Synchronize the power-save status - * @codec: HD-audio codec - * - * Synchronize the actual power state with the power account; - * called when power_save parameter is changed - */ -static inline void snd_hda_power_sync(struct hda_codec *codec) -{ - snd_hda_power_save(codec, 0, false); -} - #ifdef CONFIG_SND_HDA_PATCH_LOADER /* * patch firmware |