1e3d280fcSTakashi Iwai /* 2e3d280fcSTakashi Iwai * HD-audio core stuff 3e3d280fcSTakashi Iwai */ 4e3d280fcSTakashi Iwai 5e3d280fcSTakashi Iwai #ifndef __SOUND_HDAUDIO_H 6e3d280fcSTakashi Iwai #define __SOUND_HDAUDIO_H 7e3d280fcSTakashi Iwai 8e3d280fcSTakashi Iwai #include <linux/device.h> 914752412STakashi Iwai #include <linux/interrupt.h> 1014752412STakashi Iwai #include <linux/timecounter.h> 1114752412STakashi Iwai #include <sound/core.h> 1214752412STakashi Iwai #include <sound/memalloc.h> 13d068ebc2STakashi Iwai #include <sound/hda_verbs.h> 1498d8fc6cSMengdong Lin #include <drm/i915_component.h> 15d068ebc2STakashi Iwai 167639a06cSTakashi Iwai /* codec node id */ 177639a06cSTakashi Iwai typedef u16 hda_nid_t; 187639a06cSTakashi Iwai 19d068ebc2STakashi Iwai struct hdac_bus; 2014752412STakashi Iwai struct hdac_stream; 21d068ebc2STakashi Iwai struct hdac_device; 22d068ebc2STakashi Iwai struct hdac_driver; 233256be65STakashi Iwai struct hdac_widget_tree; 24da23ac1eSSubhransu S. Prusty struct hda_device_id; 25e3d280fcSTakashi Iwai 26e3d280fcSTakashi Iwai /* 27e3d280fcSTakashi Iwai * exported bus type 28e3d280fcSTakashi Iwai */ 29e3d280fcSTakashi Iwai extern struct bus_type snd_hda_bus_type; 30e3d280fcSTakashi Iwai 31e3d280fcSTakashi Iwai /* 3271fc4c7eSTakashi Iwai * generic arrays 3371fc4c7eSTakashi Iwai */ 3471fc4c7eSTakashi Iwai struct snd_array { 3571fc4c7eSTakashi Iwai unsigned int used; 3671fc4c7eSTakashi Iwai unsigned int alloced; 3771fc4c7eSTakashi Iwai unsigned int elem_size; 3871fc4c7eSTakashi Iwai unsigned int alloc_align; 3971fc4c7eSTakashi Iwai void *list; 4071fc4c7eSTakashi Iwai }; 4171fc4c7eSTakashi Iwai 4271fc4c7eSTakashi Iwai /* 43e3d280fcSTakashi Iwai * HD-audio codec base device 44e3d280fcSTakashi Iwai */ 45e3d280fcSTakashi Iwai struct hdac_device { 46e3d280fcSTakashi Iwai struct device dev; 47e3d280fcSTakashi Iwai int type; 48d068ebc2STakashi Iwai struct hdac_bus *bus; 49d068ebc2STakashi Iwai unsigned int addr; /* codec address */ 50d068ebc2STakashi Iwai struct list_head list; /* list point for bus codec_list */ 517639a06cSTakashi Iwai 527639a06cSTakashi Iwai hda_nid_t afg; /* AFG node id */ 537639a06cSTakashi Iwai hda_nid_t mfg; /* MFG node id */ 547639a06cSTakashi Iwai 557639a06cSTakashi Iwai /* ids */ 567639a06cSTakashi Iwai unsigned int vendor_id; 577639a06cSTakashi Iwai unsigned int subsystem_id; 587639a06cSTakashi Iwai unsigned int revision_id; 597639a06cSTakashi Iwai unsigned int afg_function_id; 607639a06cSTakashi Iwai unsigned int mfg_function_id; 617639a06cSTakashi Iwai unsigned int afg_unsol:1; 627639a06cSTakashi Iwai unsigned int mfg_unsol:1; 637639a06cSTakashi Iwai 647639a06cSTakashi Iwai unsigned int power_caps; /* FG power caps */ 657639a06cSTakashi Iwai 667639a06cSTakashi Iwai const char *vendor_name; /* codec vendor name */ 677639a06cSTakashi Iwai const char *chip_name; /* codec chip name */ 687639a06cSTakashi Iwai 6905852448STakashi Iwai /* verb exec op override */ 7005852448STakashi Iwai int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, 7105852448STakashi Iwai unsigned int flags, unsigned int *res); 7205852448STakashi Iwai 737639a06cSTakashi Iwai /* widgets */ 747639a06cSTakashi Iwai unsigned int num_nodes; 757639a06cSTakashi Iwai hda_nid_t start_nid, end_nid; 767639a06cSTakashi Iwai 777639a06cSTakashi Iwai /* misc flags */ 787639a06cSTakashi Iwai atomic_t in_pm; /* suspend/resume being performed */ 79a5e7e07cSMengdong Lin bool link_power_control:1; 803256be65STakashi Iwai 813256be65STakashi Iwai /* sysfs */ 823256be65STakashi Iwai struct hdac_widget_tree *widgets; 834d75faa0STakashi Iwai 844d75faa0STakashi Iwai /* regmap */ 854d75faa0STakashi Iwai struct regmap *regmap; 865e56bceaSTakashi Iwai struct snd_array vendor_verbs; 874d75faa0STakashi Iwai bool lazy_cache:1; /* don't wake up for writes */ 88faa75f8aSTakashi Iwai bool caps_overwriting:1; /* caps overwrite being in process */ 8940ba66a7STakashi Iwai bool cache_coef:1; /* cache COEF read/write too */ 90e3d280fcSTakashi Iwai }; 91e3d280fcSTakashi Iwai 92e3d280fcSTakashi Iwai /* device/driver type used for matching */ 93e3d280fcSTakashi Iwai enum { 94e3d280fcSTakashi Iwai HDA_DEV_CORE, 95e3d280fcSTakashi Iwai HDA_DEV_LEGACY, 96c1cc18b1SRamesh Babu HDA_DEV_ASOC, 97e3d280fcSTakashi Iwai }; 98e3d280fcSTakashi Iwai 997639a06cSTakashi Iwai /* direction */ 1007639a06cSTakashi Iwai enum { 1017639a06cSTakashi Iwai HDA_INPUT, HDA_OUTPUT 1027639a06cSTakashi Iwai }; 1037639a06cSTakashi Iwai 104e3d280fcSTakashi Iwai #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) 105e3d280fcSTakashi Iwai 1067639a06cSTakashi Iwai int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus, 1077639a06cSTakashi Iwai const char *name, unsigned int addr); 1087639a06cSTakashi Iwai void snd_hdac_device_exit(struct hdac_device *dev); 1093256be65STakashi Iwai int snd_hdac_device_register(struct hdac_device *codec); 1103256be65STakashi Iwai void snd_hdac_device_unregister(struct hdac_device *codec); 111ded255beSTakashi Iwai int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name); 1124f9e0c38STakashi Iwai int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size); 1137639a06cSTakashi Iwai 1147639a06cSTakashi Iwai int snd_hdac_refresh_widgets(struct hdac_device *codec); 11518dfd79dSVinod Koul int snd_hdac_refresh_widget_sysfs(struct hdac_device *codec); 1167639a06cSTakashi Iwai 1177639a06cSTakashi Iwai unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid, 1187639a06cSTakashi Iwai unsigned int verb, unsigned int parm); 11905852448STakashi Iwai int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd, 12005852448STakashi Iwai unsigned int flags, unsigned int *res); 1217639a06cSTakashi Iwai int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, 1227639a06cSTakashi Iwai unsigned int verb, unsigned int parm, unsigned int *res); 12301ed3c06STakashi Iwai int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm, 12401ed3c06STakashi Iwai unsigned int *res); 1259ba17b4dSTakashi Iwai int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid, 1269ba17b4dSTakashi Iwai int parm); 127faa75f8aSTakashi Iwai int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid, 128faa75f8aSTakashi Iwai unsigned int parm, unsigned int val); 1297639a06cSTakashi Iwai int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid, 1307639a06cSTakashi Iwai hda_nid_t *conn_list, int max_conns); 1317639a06cSTakashi Iwai int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, 1327639a06cSTakashi Iwai hda_nid_t *start_id); 133b7d023e1STakashi Iwai unsigned int snd_hdac_calc_stream_format(unsigned int rate, 134b7d023e1STakashi Iwai unsigned int channels, 135b7d023e1STakashi Iwai unsigned int format, 136b7d023e1STakashi Iwai unsigned int maxbps, 137b7d023e1STakashi Iwai unsigned short spdif_ctls); 138b7d023e1STakashi Iwai int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid, 139b7d023e1STakashi Iwai u32 *ratesp, u64 *formatsp, unsigned int *bpsp); 140b7d023e1STakashi Iwai bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid, 141b7d023e1STakashi Iwai unsigned int format); 1427639a06cSTakashi Iwai 1431b5e6167SSubhransu S. Prusty int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid, 1441b5e6167SSubhransu S. Prusty int flags, unsigned int verb, unsigned int parm); 1451b5e6167SSubhransu S. Prusty int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid, 1461b5e6167SSubhransu S. Prusty int flags, unsigned int verb, unsigned int parm); 1471b5e6167SSubhransu S. Prusty bool snd_hdac_check_power_state(struct hdac_device *hdac, 1481b5e6167SSubhransu S. Prusty hda_nid_t nid, unsigned int target_state); 14901ed3c06STakashi Iwai /** 15001ed3c06STakashi Iwai * snd_hdac_read_parm - read a codec parameter 15101ed3c06STakashi Iwai * @codec: the codec object 15201ed3c06STakashi Iwai * @nid: NID to read a parameter 15301ed3c06STakashi Iwai * @parm: parameter to read 15401ed3c06STakashi Iwai * 15501ed3c06STakashi Iwai * Returns -1 for error. If you need to distinguish the error more 15601ed3c06STakashi Iwai * strictly, use _snd_hdac_read_parm() directly. 15701ed3c06STakashi Iwai */ 15801ed3c06STakashi Iwai static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, 15901ed3c06STakashi Iwai int parm) 16001ed3c06STakashi Iwai { 16101ed3c06STakashi Iwai unsigned int val; 16201ed3c06STakashi Iwai 16301ed3c06STakashi Iwai return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val; 16401ed3c06STakashi Iwai } 16501ed3c06STakashi Iwai 1667639a06cSTakashi Iwai #ifdef CONFIG_PM 167fbce23a0STakashi Iwai int snd_hdac_power_up(struct hdac_device *codec); 168fbce23a0STakashi Iwai int snd_hdac_power_down(struct hdac_device *codec); 169fbce23a0STakashi Iwai int snd_hdac_power_up_pm(struct hdac_device *codec); 170fbce23a0STakashi Iwai int snd_hdac_power_down_pm(struct hdac_device *codec); 1717639a06cSTakashi Iwai #else 172fbce23a0STakashi Iwai static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; } 173fbce23a0STakashi Iwai static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; } 174fbce23a0STakashi Iwai static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; } 175fbce23a0STakashi Iwai static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; } 1767639a06cSTakashi Iwai #endif 1777639a06cSTakashi Iwai 178e3d280fcSTakashi Iwai /* 179e3d280fcSTakashi Iwai * HD-audio codec base driver 180e3d280fcSTakashi Iwai */ 181e3d280fcSTakashi Iwai struct hdac_driver { 182e3d280fcSTakashi Iwai struct device_driver driver; 183e3d280fcSTakashi Iwai int type; 184ec71efc9SVinod Koul const struct hda_device_id *id_table; 185e3d280fcSTakashi Iwai int (*match)(struct hdac_device *dev, struct hdac_driver *drv); 186d068ebc2STakashi Iwai void (*unsol_event)(struct hdac_device *dev, unsigned int event); 187e3d280fcSTakashi Iwai }; 188e3d280fcSTakashi Iwai 189e3d280fcSTakashi Iwai #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) 190e3d280fcSTakashi Iwai 191ec71efc9SVinod Koul const struct hda_device_id * 192ec71efc9SVinod Koul hdac_get_device_id(struct hdac_device *hdev, struct hdac_driver *drv); 193ec71efc9SVinod Koul 194d068ebc2STakashi Iwai /* 19514752412STakashi Iwai * Bus verb operators 196d068ebc2STakashi Iwai */ 197d068ebc2STakashi Iwai struct hdac_bus_ops { 198d068ebc2STakashi Iwai /* send a single command */ 199d068ebc2STakashi Iwai int (*command)(struct hdac_bus *bus, unsigned int cmd); 200d068ebc2STakashi Iwai /* get a response from the last command */ 201d068ebc2STakashi Iwai int (*get_response)(struct hdac_bus *bus, unsigned int addr, 202d068ebc2STakashi Iwai unsigned int *res); 203a5e7e07cSMengdong Lin /* control the link power */ 204a5e7e07cSMengdong Lin int (*link_power)(struct hdac_bus *bus, bool enable); 205d068ebc2STakashi Iwai }; 206d068ebc2STakashi Iwai 20714752412STakashi Iwai /* 20814752412STakashi Iwai * Lowlevel I/O operators 20914752412STakashi Iwai */ 21014752412STakashi Iwai struct hdac_io_ops { 21114752412STakashi Iwai /* mapped register accesses */ 21214752412STakashi Iwai void (*reg_writel)(u32 value, u32 __iomem *addr); 21314752412STakashi Iwai u32 (*reg_readl)(u32 __iomem *addr); 21414752412STakashi Iwai void (*reg_writew)(u16 value, u16 __iomem *addr); 21514752412STakashi Iwai u16 (*reg_readw)(u16 __iomem *addr); 21614752412STakashi Iwai void (*reg_writeb)(u8 value, u8 __iomem *addr); 21714752412STakashi Iwai u8 (*reg_readb)(u8 __iomem *addr); 2188f3f600bSTakashi Iwai /* Allocation ops */ 2198f3f600bSTakashi Iwai int (*dma_alloc_pages)(struct hdac_bus *bus, int type, size_t size, 2208f3f600bSTakashi Iwai struct snd_dma_buffer *buf); 2218f3f600bSTakashi Iwai void (*dma_free_pages)(struct hdac_bus *bus, 2228f3f600bSTakashi Iwai struct snd_dma_buffer *buf); 22314752412STakashi Iwai }; 224d068ebc2STakashi Iwai 22514752412STakashi Iwai #define HDA_UNSOL_QUEUE_SIZE 64 22614752412STakashi Iwai #define HDA_MAX_CODECS 8 /* limit by controller side */ 22714752412STakashi Iwai 22814752412STakashi Iwai /* HD Audio class code */ 22914752412STakashi Iwai #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 23014752412STakashi Iwai 23114752412STakashi Iwai /* 23214752412STakashi Iwai * CORB/RIRB 23314752412STakashi Iwai * 23414752412STakashi Iwai * Each CORB entry is 4byte, RIRB is 8byte 23514752412STakashi Iwai */ 23614752412STakashi Iwai struct hdac_rb { 23714752412STakashi Iwai __le32 *buf; /* virtual address of CORB/RIRB buffer */ 23814752412STakashi Iwai dma_addr_t addr; /* physical address of CORB/RIRB buffer */ 23914752412STakashi Iwai unsigned short rp, wp; /* RIRB read/write pointers */ 24014752412STakashi Iwai int cmds[HDA_MAX_CODECS]; /* number of pending requests */ 24114752412STakashi Iwai u32 res[HDA_MAX_CODECS]; /* last read value */ 24214752412STakashi Iwai }; 24314752412STakashi Iwai 24414752412STakashi Iwai /* 24514752412STakashi Iwai * HD-audio bus base driver 24614752412STakashi Iwai */ 247d068ebc2STakashi Iwai struct hdac_bus { 248d068ebc2STakashi Iwai struct device *dev; 249d068ebc2STakashi Iwai const struct hdac_bus_ops *ops; 25014752412STakashi Iwai const struct hdac_io_ops *io_ops; 25114752412STakashi Iwai 25214752412STakashi Iwai /* h/w resources */ 25314752412STakashi Iwai unsigned long addr; 25414752412STakashi Iwai void __iomem *remap_addr; 25514752412STakashi Iwai int irq; 256d068ebc2STakashi Iwai 257d068ebc2STakashi Iwai /* codec linked list */ 258d068ebc2STakashi Iwai struct list_head codec_list; 259d068ebc2STakashi Iwai unsigned int num_codecs; 260d068ebc2STakashi Iwai 261d068ebc2STakashi Iwai /* link caddr -> codec */ 262d068ebc2STakashi Iwai struct hdac_device *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; 263d068ebc2STakashi Iwai 264d068ebc2STakashi Iwai /* unsolicited event queue */ 265d068ebc2STakashi Iwai u32 unsol_queue[HDA_UNSOL_QUEUE_SIZE * 2]; /* ring buffer */ 266d068ebc2STakashi Iwai unsigned int unsol_rp, unsol_wp; 267d068ebc2STakashi Iwai struct work_struct unsol_work; 268d068ebc2STakashi Iwai 26914752412STakashi Iwai /* bit flags of detected codecs */ 27014752412STakashi Iwai unsigned long codec_mask; 27114752412STakashi Iwai 272d068ebc2STakashi Iwai /* bit flags of powered codecs */ 273d068ebc2STakashi Iwai unsigned long codec_powered; 274d068ebc2STakashi Iwai 27514752412STakashi Iwai /* CORB/RIRB */ 27614752412STakashi Iwai struct hdac_rb corb; 27714752412STakashi Iwai struct hdac_rb rirb; 27814752412STakashi Iwai unsigned int last_cmd[HDA_MAX_CODECS]; /* last sent command */ 27914752412STakashi Iwai 28014752412STakashi Iwai /* CORB/RIRB and position buffers */ 28114752412STakashi Iwai struct snd_dma_buffer rb; 28214752412STakashi Iwai struct snd_dma_buffer posbuf; 28314752412STakashi Iwai 28414752412STakashi Iwai /* hdac_stream linked list */ 28514752412STakashi Iwai struct list_head stream_list; 28614752412STakashi Iwai 28714752412STakashi Iwai /* operation state */ 28814752412STakashi Iwai bool chip_init:1; /* h/w initialized */ 28914752412STakashi Iwai 29014752412STakashi Iwai /* behavior flags */ 291d068ebc2STakashi Iwai bool sync_write:1; /* sync after verb write */ 29214752412STakashi Iwai bool use_posbuf:1; /* use position buffer */ 29314752412STakashi Iwai bool snoop:1; /* enable snooping */ 29414752412STakashi Iwai bool align_bdle_4k:1; /* BDLE align 4K boundary */ 29514752412STakashi Iwai bool reverse_assign:1; /* assign devices in reverse order */ 29614752412STakashi Iwai bool corbrp_self_clear:1; /* CORBRP clears itself after reset */ 29714752412STakashi Iwai 29814752412STakashi Iwai int bdl_pos_adj; /* BDL position adjustment */ 299d068ebc2STakashi Iwai 300d068ebc2STakashi Iwai /* locks */ 30114752412STakashi Iwai spinlock_t reg_lock; 302d068ebc2STakashi Iwai struct mutex cmd_mutex; 30398d8fc6cSMengdong Lin 30498d8fc6cSMengdong Lin /* i915 component interface */ 30598d8fc6cSMengdong Lin struct i915_audio_component *audio_component; 30698d8fc6cSMengdong Lin int i915_power_refcount; 307d068ebc2STakashi Iwai }; 308d068ebc2STakashi Iwai 309d068ebc2STakashi Iwai int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, 31014752412STakashi Iwai const struct hdac_bus_ops *ops, 31114752412STakashi Iwai const struct hdac_io_ops *io_ops); 312d068ebc2STakashi Iwai void snd_hdac_bus_exit(struct hdac_bus *bus); 313d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr, 314d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 315d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr, 316d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 317d068ebc2STakashi Iwai void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex); 318d068ebc2STakashi Iwai 319d068ebc2STakashi Iwai int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec); 320d068ebc2STakashi Iwai void snd_hdac_bus_remove_device(struct hdac_bus *bus, 321d068ebc2STakashi Iwai struct hdac_device *codec); 322d068ebc2STakashi Iwai 3237639a06cSTakashi Iwai static inline void snd_hdac_codec_link_up(struct hdac_device *codec) 3247639a06cSTakashi Iwai { 3257639a06cSTakashi Iwai set_bit(codec->addr, &codec->bus->codec_powered); 3267639a06cSTakashi Iwai } 3277639a06cSTakashi Iwai 3287639a06cSTakashi Iwai static inline void snd_hdac_codec_link_down(struct hdac_device *codec) 3297639a06cSTakashi Iwai { 3307639a06cSTakashi Iwai clear_bit(codec->addr, &codec->bus->codec_powered); 3317639a06cSTakashi Iwai } 3327639a06cSTakashi Iwai 33314752412STakashi Iwai int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val); 33414752412STakashi Iwai int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr, 33514752412STakashi Iwai unsigned int *res); 336a5e7e07cSMengdong Lin int snd_hdac_link_power(struct hdac_device *codec, bool enable); 33714752412STakashi Iwai 33814752412STakashi Iwai bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset); 33914752412STakashi Iwai void snd_hdac_bus_stop_chip(struct hdac_bus *bus); 34014752412STakashi Iwai void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus); 34114752412STakashi Iwai void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus); 34214752412STakashi Iwai void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus); 34314752412STakashi Iwai void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus); 34414752412STakashi Iwai 34514752412STakashi Iwai void snd_hdac_bus_update_rirb(struct hdac_bus *bus); 346473f4145STakashi Iwai int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, 34714752412STakashi Iwai void (*ack)(struct hdac_bus *, 34814752412STakashi Iwai struct hdac_stream *)); 34914752412STakashi Iwai 350304dad30SJeeja KP int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus); 351304dad30SJeeja KP void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus); 352304dad30SJeeja KP 35314752412STakashi Iwai /* 35414752412STakashi Iwai * macros for easy use 35514752412STakashi Iwai */ 35614752412STakashi Iwai #define _snd_hdac_chip_write(type, chip, reg, value) \ 35714752412STakashi Iwai ((chip)->io_ops->reg_write ## type(value, (chip)->remap_addr + (reg))) 35814752412STakashi Iwai #define _snd_hdac_chip_read(type, chip, reg) \ 35914752412STakashi Iwai ((chip)->io_ops->reg_read ## type((chip)->remap_addr + (reg))) 36014752412STakashi Iwai 36114752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 36214752412STakashi Iwai #define snd_hdac_chip_writel(chip, reg, value) \ 36314752412STakashi Iwai _snd_hdac_chip_write(l, chip, AZX_REG_ ## reg, value) 36414752412STakashi Iwai #define snd_hdac_chip_writew(chip, reg, value) \ 36514752412STakashi Iwai _snd_hdac_chip_write(w, chip, AZX_REG_ ## reg, value) 36614752412STakashi Iwai #define snd_hdac_chip_writeb(chip, reg, value) \ 36714752412STakashi Iwai _snd_hdac_chip_write(b, chip, AZX_REG_ ## reg, value) 36814752412STakashi Iwai #define snd_hdac_chip_readl(chip, reg) \ 36914752412STakashi Iwai _snd_hdac_chip_read(l, chip, AZX_REG_ ## reg) 37014752412STakashi Iwai #define snd_hdac_chip_readw(chip, reg) \ 37114752412STakashi Iwai _snd_hdac_chip_read(w, chip, AZX_REG_ ## reg) 37214752412STakashi Iwai #define snd_hdac_chip_readb(chip, reg) \ 37314752412STakashi Iwai _snd_hdac_chip_read(b, chip, AZX_REG_ ## reg) 37414752412STakashi Iwai 37514752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 37614752412STakashi Iwai #define snd_hdac_chip_updatel(chip, reg, mask, val) \ 37714752412STakashi Iwai snd_hdac_chip_writel(chip, reg, \ 37814752412STakashi Iwai (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val)) 37914752412STakashi Iwai #define snd_hdac_chip_updatew(chip, reg, mask, val) \ 38014752412STakashi Iwai snd_hdac_chip_writew(chip, reg, \ 38114752412STakashi Iwai (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val)) 38214752412STakashi Iwai #define snd_hdac_chip_updateb(chip, reg, mask, val) \ 38314752412STakashi Iwai snd_hdac_chip_writeb(chip, reg, \ 38414752412STakashi Iwai (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val)) 38514752412STakashi Iwai 38614752412STakashi Iwai /* 38714752412STakashi Iwai * HD-audio stream 38814752412STakashi Iwai */ 38914752412STakashi Iwai struct hdac_stream { 39014752412STakashi Iwai struct hdac_bus *bus; 39114752412STakashi Iwai struct snd_dma_buffer bdl; /* BDL buffer */ 39214752412STakashi Iwai __le32 *posbuf; /* position buffer pointer */ 39314752412STakashi Iwai int direction; /* playback / capture (SNDRV_PCM_STREAM_*) */ 39414752412STakashi Iwai 39514752412STakashi Iwai unsigned int bufsize; /* size of the play buffer in bytes */ 39614752412STakashi Iwai unsigned int period_bytes; /* size of the period in bytes */ 39714752412STakashi Iwai unsigned int frags; /* number for period in the play buffer */ 39814752412STakashi Iwai unsigned int fifo_size; /* FIFO size */ 39914752412STakashi Iwai 40014752412STakashi Iwai void __iomem *sd_addr; /* stream descriptor pointer */ 40114752412STakashi Iwai 40214752412STakashi Iwai u32 sd_int_sta_mask; /* stream int status mask */ 40314752412STakashi Iwai 40414752412STakashi Iwai /* pcm support */ 40514752412STakashi Iwai struct snd_pcm_substream *substream; /* assigned substream, 40614752412STakashi Iwai * set in PCM open 40714752412STakashi Iwai */ 40814752412STakashi Iwai unsigned int format_val; /* format value to be set in the 40914752412STakashi Iwai * controller and the codec 41014752412STakashi Iwai */ 41114752412STakashi Iwai unsigned char stream_tag; /* assigned stream */ 41214752412STakashi Iwai unsigned char index; /* stream index */ 41314752412STakashi Iwai int assigned_key; /* last device# key assigned to */ 41414752412STakashi Iwai 41514752412STakashi Iwai bool opened:1; 41614752412STakashi Iwai bool running:1; 4176d23c8f5STakashi Iwai bool prepared:1; 41814752412STakashi Iwai bool no_period_wakeup:1; 4198f3f600bSTakashi Iwai bool locked:1; 42014752412STakashi Iwai 42114752412STakashi Iwai /* timestamp */ 42214752412STakashi Iwai unsigned long start_wallclk; /* start + minimum wallclk */ 42314752412STakashi Iwai unsigned long period_wallclk; /* wallclk for period */ 42414752412STakashi Iwai struct timecounter tc; 42514752412STakashi Iwai struct cyclecounter cc; 42614752412STakashi Iwai int delay_negative_threshold; 42714752412STakashi Iwai 42814752412STakashi Iwai struct list_head list; 4298f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 4308f3f600bSTakashi Iwai /* DSP access mutex */ 4318f3f600bSTakashi Iwai struct mutex dsp_mutex; 4328f3f600bSTakashi Iwai #endif 43314752412STakashi Iwai }; 43414752412STakashi Iwai 43514752412STakashi Iwai void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev, 43614752412STakashi Iwai int idx, int direction, int tag); 43714752412STakashi Iwai struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, 43814752412STakashi Iwai struct snd_pcm_substream *substream); 43914752412STakashi Iwai void snd_hdac_stream_release(struct hdac_stream *azx_dev); 4404308c9b0SJeeja KP struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus, 4414308c9b0SJeeja KP int dir, int stream_tag); 44214752412STakashi Iwai 44314752412STakashi Iwai int snd_hdac_stream_setup(struct hdac_stream *azx_dev); 44414752412STakashi Iwai void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev); 44514752412STakashi Iwai int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev); 44686f6501bSJeeja KP int snd_hdac_stream_set_params(struct hdac_stream *azx_dev, 44786f6501bSJeeja KP unsigned int format_val); 44814752412STakashi Iwai void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start); 44914752412STakashi Iwai void snd_hdac_stream_clear(struct hdac_stream *azx_dev); 45014752412STakashi Iwai void snd_hdac_stream_stop(struct hdac_stream *azx_dev); 45114752412STakashi Iwai void snd_hdac_stream_reset(struct hdac_stream *azx_dev); 45214752412STakashi Iwai void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set, 45314752412STakashi Iwai unsigned int streams, unsigned int reg); 45414752412STakashi Iwai void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start, 45514752412STakashi Iwai unsigned int streams); 45614752412STakashi Iwai void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev, 45714752412STakashi Iwai unsigned int streams); 45814752412STakashi Iwai /* 45914752412STakashi Iwai * macros for easy use 46014752412STakashi Iwai */ 46114752412STakashi Iwai #define _snd_hdac_stream_write(type, dev, reg, value) \ 46214752412STakashi Iwai ((dev)->bus->io_ops->reg_write ## type(value, (dev)->sd_addr + (reg))) 46314752412STakashi Iwai #define _snd_hdac_stream_read(type, dev, reg) \ 46414752412STakashi Iwai ((dev)->bus->io_ops->reg_read ## type((dev)->sd_addr + (reg))) 46514752412STakashi Iwai 46614752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 46714752412STakashi Iwai #define snd_hdac_stream_writel(dev, reg, value) \ 46814752412STakashi Iwai _snd_hdac_stream_write(l, dev, AZX_REG_ ## reg, value) 46914752412STakashi Iwai #define snd_hdac_stream_writew(dev, reg, value) \ 47014752412STakashi Iwai _snd_hdac_stream_write(w, dev, AZX_REG_ ## reg, value) 47114752412STakashi Iwai #define snd_hdac_stream_writeb(dev, reg, value) \ 47214752412STakashi Iwai _snd_hdac_stream_write(b, dev, AZX_REG_ ## reg, value) 47314752412STakashi Iwai #define snd_hdac_stream_readl(dev, reg) \ 47414752412STakashi Iwai _snd_hdac_stream_read(l, dev, AZX_REG_ ## reg) 47514752412STakashi Iwai #define snd_hdac_stream_readw(dev, reg) \ 47614752412STakashi Iwai _snd_hdac_stream_read(w, dev, AZX_REG_ ## reg) 47714752412STakashi Iwai #define snd_hdac_stream_readb(dev, reg) \ 47814752412STakashi Iwai _snd_hdac_stream_read(b, dev, AZX_REG_ ## reg) 47914752412STakashi Iwai 48014752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 48114752412STakashi Iwai #define snd_hdac_stream_updatel(dev, reg, mask, val) \ 48214752412STakashi Iwai snd_hdac_stream_writel(dev, reg, \ 48314752412STakashi Iwai (snd_hdac_stream_readl(dev, reg) & \ 48414752412STakashi Iwai ~(mask)) | (val)) 48514752412STakashi Iwai #define snd_hdac_stream_updatew(dev, reg, mask, val) \ 48614752412STakashi Iwai snd_hdac_stream_writew(dev, reg, \ 48714752412STakashi Iwai (snd_hdac_stream_readw(dev, reg) & \ 48814752412STakashi Iwai ~(mask)) | (val)) 48914752412STakashi Iwai #define snd_hdac_stream_updateb(dev, reg, mask, val) \ 49014752412STakashi Iwai snd_hdac_stream_writeb(dev, reg, \ 49114752412STakashi Iwai (snd_hdac_stream_readb(dev, reg) & \ 49214752412STakashi Iwai ~(mask)) | (val)) 49314752412STakashi Iwai 4948f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 4958f3f600bSTakashi Iwai /* DSP lock helpers */ 4968f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex) 4978f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex) 4988f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex) 4998f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) ((dev)->locked) 5008f3f600bSTakashi Iwai /* DSP loader helpers */ 5018f3f600bSTakashi Iwai int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 5028f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp); 5038f3f600bSTakashi Iwai void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start); 5048f3f600bSTakashi Iwai void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 5058f3f600bSTakashi Iwai struct snd_dma_buffer *dmab); 5068f3f600bSTakashi Iwai #else /* CONFIG_SND_HDA_DSP_LOADER */ 5078f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) do {} while (0) 5088f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) do {} while (0) 5098f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) do {} while (0) 5108f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) 0 5118f3f600bSTakashi Iwai 5128f3f600bSTakashi Iwai static inline int 5138f3f600bSTakashi Iwai snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 5148f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp) 5158f3f600bSTakashi Iwai { 5168f3f600bSTakashi Iwai return 0; 5178f3f600bSTakashi Iwai } 5188f3f600bSTakashi Iwai 5198f3f600bSTakashi Iwai static inline void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start) 5208f3f600bSTakashi Iwai { 5218f3f600bSTakashi Iwai } 5228f3f600bSTakashi Iwai 5238f3f600bSTakashi Iwai static inline void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 5248f3f600bSTakashi Iwai struct snd_dma_buffer *dmab) 5258f3f600bSTakashi Iwai { 5268f3f600bSTakashi Iwai } 5278f3f600bSTakashi Iwai #endif /* CONFIG_SND_HDA_DSP_LOADER */ 5288f3f600bSTakashi Iwai 5298f3f600bSTakashi Iwai 53071fc4c7eSTakashi Iwai /* 53171fc4c7eSTakashi Iwai * generic array helpers 53271fc4c7eSTakashi Iwai */ 53371fc4c7eSTakashi Iwai void *snd_array_new(struct snd_array *array); 53471fc4c7eSTakashi Iwai void snd_array_free(struct snd_array *array); 53571fc4c7eSTakashi Iwai static inline void snd_array_init(struct snd_array *array, unsigned int size, 53671fc4c7eSTakashi Iwai unsigned int align) 53771fc4c7eSTakashi Iwai { 53871fc4c7eSTakashi Iwai array->elem_size = size; 53971fc4c7eSTakashi Iwai array->alloc_align = align; 54071fc4c7eSTakashi Iwai } 54171fc4c7eSTakashi Iwai 54271fc4c7eSTakashi Iwai static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) 54371fc4c7eSTakashi Iwai { 54471fc4c7eSTakashi Iwai return array->list + idx * array->elem_size; 54571fc4c7eSTakashi Iwai } 54671fc4c7eSTakashi Iwai 54771fc4c7eSTakashi Iwai static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) 54871fc4c7eSTakashi Iwai { 54971fc4c7eSTakashi Iwai return (unsigned long)(ptr - array->list) / array->elem_size; 55071fc4c7eSTakashi Iwai } 55171fc4c7eSTakashi Iwai 552e3d280fcSTakashi Iwai #endif /* __SOUND_HDAUDIO_H */ 553