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- #ifndef __SOUND_HDAUDIO_H
- #define __SOUND_HDAUDIO_H
- #include <linux/device.h>
- #include <linux/interrupt.h>
- #include <linux/timecounter.h>
- #include <sound/core.h>
- #include <sound/memalloc.h>
- #include <sound/hda_verbs.h>
- #include <drm/i915_component.h>
- typedef u16 hda_nid_t;
- struct hdac_bus;
- struct hdac_stream;
- struct hdac_device;
- struct hdac_driver;
- struct hdac_widget_tree;
- struct hda_device_id;
- extern struct bus_type snd_hda_bus_type;
- struct snd_array {
- unsigned int used;
- unsigned int alloced;
- unsigned int elem_size;
- unsigned int alloc_align;
- void *list;
- };
- struct hdac_device {
- struct device dev;
- int type;
- struct hdac_bus *bus;
- unsigned int addr;
- struct list_head list;
- hda_nid_t afg;
- hda_nid_t mfg;
-
- unsigned int vendor_id;
- unsigned int subsystem_id;
- unsigned int revision_id;
- unsigned int afg_function_id;
- unsigned int mfg_function_id;
- unsigned int afg_unsol:1;
- unsigned int mfg_unsol:1;
- unsigned int power_caps;
- const char *vendor_name;
- const char *chip_name;
-
- int (*exec_verb)(struct hdac_device *dev, unsigned int cmd,
- unsigned int flags, unsigned int *res);
-
- unsigned int num_nodes;
- hda_nid_t start_nid, end_nid;
-
- atomic_t in_pm;
- bool link_power_control:1;
-
- struct hdac_widget_tree *widgets;
-
- struct regmap *regmap;
- struct snd_array vendor_verbs;
- bool lazy_cache:1;
- bool caps_overwriting:1;
- bool cache_coef:1;
- };
- enum {
- HDA_DEV_CORE,
- HDA_DEV_LEGACY,
- HDA_DEV_ASOC,
- };
- enum {
- HDA_INPUT, HDA_OUTPUT
- };
- #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev)
- int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus,
- const char *name, unsigned int addr);
- void snd_hdac_device_exit(struct hdac_device *dev);
- int snd_hdac_device_register(struct hdac_device *codec);
- void snd_hdac_device_unregister(struct hdac_device *codec);
- int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name);
- int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size);
- int snd_hdac_refresh_widgets(struct hdac_device *codec);
- int snd_hdac_refresh_widget_sysfs(struct hdac_device *codec);
- unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid,
- unsigned int verb, unsigned int parm);
- int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd,
- unsigned int flags, unsigned int *res);
- int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid,
- unsigned int verb, unsigned int parm, unsigned int *res);
- int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm,
- unsigned int *res);
- int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid,
- int parm);
- int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid,
- unsigned int parm, unsigned int val);
- int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid,
- hda_nid_t *conn_list, int max_conns);
- int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid,
- hda_nid_t *start_id);
- unsigned int snd_hdac_calc_stream_format(unsigned int rate,
- unsigned int channels,
- unsigned int format,
- unsigned int maxbps,
- unsigned short spdif_ctls);
- int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid,
- u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
- bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid,
- unsigned int format);
- int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid,
- int flags, unsigned int verb, unsigned int parm);
- int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid,
- int flags, unsigned int verb, unsigned int parm);
- bool snd_hdac_check_power_state(struct hdac_device *hdac,
- hda_nid_t nid, unsigned int target_state);
- static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid,
- int parm)
- {
- unsigned int val;
- return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val;
- }
- #ifdef CONFIG_PM
- int snd_hdac_power_up(struct hdac_device *codec);
- int snd_hdac_power_down(struct hdac_device *codec);
- int snd_hdac_power_up_pm(struct hdac_device *codec);
- int snd_hdac_power_down_pm(struct hdac_device *codec);
- int snd_hdac_keep_power_up(struct hdac_device *codec);
- #else
- static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; }
- static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; }
- static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; }
- static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; }
- static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; }
- #endif
- struct hdac_driver {
- struct device_driver driver;
- int type;
- const struct hda_device_id *id_table;
- int (*match)(struct hdac_device *dev, struct hdac_driver *drv);
- void (*unsol_event)(struct hdac_device *dev, unsigned int event);
- };
- #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver)
- const struct hda_device_id *
- hdac_get_device_id(struct hdac_device *hdev, struct hdac_driver *drv);
- struct hdac_bus_ops {
-
- int (*command)(struct hdac_bus *bus, unsigned int cmd);
-
- int (*get_response)(struct hdac_bus *bus, unsigned int addr,
- unsigned int *res);
-
- int (*link_power)(struct hdac_bus *bus, bool enable);
- };
- struct hdac_io_ops {
-
- void (*reg_writel)(u32 value, u32 __iomem *addr);
- u32 (*reg_readl)(u32 __iomem *addr);
- void (*reg_writew)(u16 value, u16 __iomem *addr);
- u16 (*reg_readw)(u16 __iomem *addr);
- void (*reg_writeb)(u8 value, u8 __iomem *addr);
- u8 (*reg_readb)(u8 __iomem *addr);
-
- int (*dma_alloc_pages)(struct hdac_bus *bus, int type, size_t size,
- struct snd_dma_buffer *buf);
- void (*dma_free_pages)(struct hdac_bus *bus,
- struct snd_dma_buffer *buf);
- };
- #define HDA_UNSOL_QUEUE_SIZE 64
- #define HDA_MAX_CODECS 8
- #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
- struct hdac_rb {
- __le32 *buf;
- dma_addr_t addr;
- unsigned short rp, wp;
- int cmds[HDA_MAX_CODECS];
- u32 res[HDA_MAX_CODECS];
- };
- struct hdac_bus {
- struct device *dev;
- const struct hdac_bus_ops *ops;
- const struct hdac_io_ops *io_ops;
-
- unsigned long addr;
- void __iomem *remap_addr;
- int irq;
- void __iomem *ppcap;
- void __iomem *spbcap;
- void __iomem *mlcap;
- void __iomem *gtscap;
- void __iomem *drsmcap;
-
- struct list_head codec_list;
- unsigned int num_codecs;
-
- struct hdac_device *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
-
- u32 unsol_queue[HDA_UNSOL_QUEUE_SIZE * 2];
- unsigned int unsol_rp, unsol_wp;
- struct work_struct unsol_work;
-
- unsigned long codec_mask;
-
- unsigned long codec_powered;
-
- struct hdac_rb corb;
- struct hdac_rb rirb;
- unsigned int last_cmd[HDA_MAX_CODECS];
-
- struct snd_dma_buffer rb;
- struct snd_dma_buffer posbuf;
-
- struct list_head stream_list;
-
- bool chip_init:1;
-
- bool sync_write:1;
- bool use_posbuf:1;
- bool snoop:1;
- bool align_bdle_4k:1;
- bool reverse_assign:1;
- bool corbrp_self_clear:1;
- int bdl_pos_adj;
-
- spinlock_t reg_lock;
- struct mutex cmd_mutex;
-
- struct i915_audio_component *audio_component;
- int i915_power_refcount;
- };
- int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev,
- const struct hdac_bus_ops *ops,
- const struct hdac_io_ops *io_ops);
- void snd_hdac_bus_exit(struct hdac_bus *bus);
- int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr,
- unsigned int cmd, unsigned int *res);
- int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr,
- unsigned int cmd, unsigned int *res);
- void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex);
- int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec);
- void snd_hdac_bus_remove_device(struct hdac_bus *bus,
- struct hdac_device *codec);
- static inline void snd_hdac_codec_link_up(struct hdac_device *codec)
- {
- set_bit(codec->addr, &codec->bus->codec_powered);
- }
- static inline void snd_hdac_codec_link_down(struct hdac_device *codec)
- {
- clear_bit(codec->addr, &codec->bus->codec_powered);
- }
- int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val);
- int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr,
- unsigned int *res);
- int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus);
- int snd_hdac_link_power(struct hdac_device *codec, bool enable);
- bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset);
- void snd_hdac_bus_stop_chip(struct hdac_bus *bus);
- void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus);
- void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus);
- void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus);
- void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus);
- void snd_hdac_bus_update_rirb(struct hdac_bus *bus);
- int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status,
- void (*ack)(struct hdac_bus *,
- struct hdac_stream *));
- int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus);
- void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus);
- #define _snd_hdac_chip_write(type, chip, reg, value) \
- ((chip)->io_ops->reg_write ## type(value, (chip)->remap_addr + (reg)))
- #define _snd_hdac_chip_read(type, chip, reg) \
- ((chip)->io_ops->reg_read ## type((chip)->remap_addr + (reg)))
- #define snd_hdac_chip_writel(chip, reg, value) \
- _snd_hdac_chip_write(l, chip, AZX_REG_ ## reg, value)
- #define snd_hdac_chip_writew(chip, reg, value) \
- _snd_hdac_chip_write(w, chip, AZX_REG_ ## reg, value)
- #define snd_hdac_chip_writeb(chip, reg, value) \
- _snd_hdac_chip_write(b, chip, AZX_REG_ ## reg, value)
- #define snd_hdac_chip_readl(chip, reg) \
- _snd_hdac_chip_read(l, chip, AZX_REG_ ## reg)
- #define snd_hdac_chip_readw(chip, reg) \
- _snd_hdac_chip_read(w, chip, AZX_REG_ ## reg)
- #define snd_hdac_chip_readb(chip, reg) \
- _snd_hdac_chip_read(b, chip, AZX_REG_ ## reg)
- #define snd_hdac_chip_updatel(chip, reg, mask, val) \
- snd_hdac_chip_writel(chip, reg, \
- (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val))
- #define snd_hdac_chip_updatew(chip, reg, mask, val) \
- snd_hdac_chip_writew(chip, reg, \
- (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val))
- #define snd_hdac_chip_updateb(chip, reg, mask, val) \
- snd_hdac_chip_writeb(chip, reg, \
- (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val))
- struct hdac_stream {
- struct hdac_bus *bus;
- struct snd_dma_buffer bdl;
- __le32 *posbuf;
- int direction;
- unsigned int bufsize;
- unsigned int period_bytes;
- unsigned int frags;
- unsigned int fifo_size;
- void __iomem *sd_addr;
- u32 sd_int_sta_mask;
-
- struct snd_pcm_substream *substream;
- unsigned int format_val;
- unsigned char stream_tag;
- unsigned char index;
- int assigned_key;
- bool opened:1;
- bool running:1;
- bool prepared:1;
- bool no_period_wakeup:1;
- bool locked:1;
-
- unsigned long start_wallclk;
- unsigned long period_wallclk;
- struct timecounter tc;
- struct cyclecounter cc;
- int delay_negative_threshold;
- struct list_head list;
- #ifdef CONFIG_SND_HDA_DSP_LOADER
-
- struct mutex dsp_mutex;
- #endif
- };
- void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev,
- int idx, int direction, int tag);
- struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus,
- struct snd_pcm_substream *substream);
- void snd_hdac_stream_release(struct hdac_stream *azx_dev);
- struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus,
- int dir, int stream_tag);
- int snd_hdac_stream_setup(struct hdac_stream *azx_dev);
- void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev);
- int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev);
- int snd_hdac_stream_set_params(struct hdac_stream *azx_dev,
- unsigned int format_val);
- void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start);
- void snd_hdac_stream_clear(struct hdac_stream *azx_dev);
- void snd_hdac_stream_stop(struct hdac_stream *azx_dev);
- void snd_hdac_stream_reset(struct hdac_stream *azx_dev);
- void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set,
- unsigned int streams, unsigned int reg);
- void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start,
- unsigned int streams);
- void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
- unsigned int streams);
- #define _snd_hdac_stream_write(type, dev, reg, value) \
- ((dev)->bus->io_ops->reg_write ## type(value, (dev)->sd_addr + (reg)))
- #define _snd_hdac_stream_read(type, dev, reg) \
- ((dev)->bus->io_ops->reg_read ## type((dev)->sd_addr + (reg)))
- #define snd_hdac_stream_writel(dev, reg, value) \
- _snd_hdac_stream_write(l, dev, AZX_REG_ ## reg, value)
- #define snd_hdac_stream_writew(dev, reg, value) \
- _snd_hdac_stream_write(w, dev, AZX_REG_ ## reg, value)
- #define snd_hdac_stream_writeb(dev, reg, value) \
- _snd_hdac_stream_write(b, dev, AZX_REG_ ## reg, value)
- #define snd_hdac_stream_readl(dev, reg) \
- _snd_hdac_stream_read(l, dev, AZX_REG_ ## reg)
- #define snd_hdac_stream_readw(dev, reg) \
- _snd_hdac_stream_read(w, dev, AZX_REG_ ## reg)
- #define snd_hdac_stream_readb(dev, reg) \
- _snd_hdac_stream_read(b, dev, AZX_REG_ ## reg)
- #define snd_hdac_stream_updatel(dev, reg, mask, val) \
- snd_hdac_stream_writel(dev, reg, \
- (snd_hdac_stream_readl(dev, reg) & \
- ~(mask)) | (val))
- #define snd_hdac_stream_updatew(dev, reg, mask, val) \
- snd_hdac_stream_writew(dev, reg, \
- (snd_hdac_stream_readw(dev, reg) & \
- ~(mask)) | (val))
- #define snd_hdac_stream_updateb(dev, reg, mask, val) \
- snd_hdac_stream_writeb(dev, reg, \
- (snd_hdac_stream_readb(dev, reg) & \
- ~(mask)) | (val))
- #ifdef CONFIG_SND_HDA_DSP_LOADER
- #define snd_hdac_dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex)
- #define snd_hdac_dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex)
- #define snd_hdac_dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex)
- #define snd_hdac_stream_is_locked(dev) ((dev)->locked)
- int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format,
- unsigned int byte_size, struct snd_dma_buffer *bufp);
- void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start);
- void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev,
- struct snd_dma_buffer *dmab);
- #else
- #define snd_hdac_dsp_lock_init(dev) do {} while (0)
- #define snd_hdac_dsp_lock(dev) do {} while (0)
- #define snd_hdac_dsp_unlock(dev) do {} while (0)
- #define snd_hdac_stream_is_locked(dev) 0
- static inline int
- snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format,
- unsigned int byte_size, struct snd_dma_buffer *bufp)
- {
- return 0;
- }
- static inline void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start)
- {
- }
- static inline void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev,
- struct snd_dma_buffer *dmab)
- {
- }
- #endif
- void *snd_array_new(struct snd_array *array);
- void snd_array_free(struct snd_array *array);
- static inline void snd_array_init(struct snd_array *array, unsigned int size,
- unsigned int align)
- {
- array->elem_size = size;
- array->alloc_align = align;
- }
- static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
- {
- return array->list + idx * array->elem_size;
- }
- static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
- {
- return (unsigned long)(ptr - array->list) / array->elem_size;
- }
- #endif
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