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> 14d068ebc2STakashi Iwai 157639a06cSTakashi Iwai /* codec node id */ 167639a06cSTakashi Iwai typedef u16 hda_nid_t; 177639a06cSTakashi Iwai 18d068ebc2STakashi Iwai struct hdac_bus; 1914752412STakashi Iwai struct hdac_stream; 20d068ebc2STakashi Iwai struct hdac_device; 21d068ebc2STakashi Iwai struct hdac_driver; 223256be65STakashi Iwai struct hdac_widget_tree; 23e3d280fcSTakashi Iwai 24e3d280fcSTakashi Iwai /* 25e3d280fcSTakashi Iwai * exported bus type 26e3d280fcSTakashi Iwai */ 27e3d280fcSTakashi Iwai extern struct bus_type snd_hda_bus_type; 28e3d280fcSTakashi Iwai 29e3d280fcSTakashi Iwai /* 3071fc4c7eSTakashi Iwai * generic arrays 3171fc4c7eSTakashi Iwai */ 3271fc4c7eSTakashi Iwai struct snd_array { 3371fc4c7eSTakashi Iwai unsigned int used; 3471fc4c7eSTakashi Iwai unsigned int alloced; 3571fc4c7eSTakashi Iwai unsigned int elem_size; 3671fc4c7eSTakashi Iwai unsigned int alloc_align; 3771fc4c7eSTakashi Iwai void *list; 3871fc4c7eSTakashi Iwai }; 3971fc4c7eSTakashi Iwai 4071fc4c7eSTakashi Iwai /* 41e3d280fcSTakashi Iwai * HD-audio codec base device 42e3d280fcSTakashi Iwai */ 43e3d280fcSTakashi Iwai struct hdac_device { 44e3d280fcSTakashi Iwai struct device dev; 45e3d280fcSTakashi Iwai int type; 46d068ebc2STakashi Iwai struct hdac_bus *bus; 47d068ebc2STakashi Iwai unsigned int addr; /* codec address */ 48d068ebc2STakashi Iwai struct list_head list; /* list point for bus codec_list */ 497639a06cSTakashi Iwai 507639a06cSTakashi Iwai hda_nid_t afg; /* AFG node id */ 517639a06cSTakashi Iwai hda_nid_t mfg; /* MFG node id */ 527639a06cSTakashi Iwai 537639a06cSTakashi Iwai /* ids */ 547639a06cSTakashi Iwai unsigned int vendor_id; 557639a06cSTakashi Iwai unsigned int subsystem_id; 567639a06cSTakashi Iwai unsigned int revision_id; 577639a06cSTakashi Iwai unsigned int afg_function_id; 587639a06cSTakashi Iwai unsigned int mfg_function_id; 597639a06cSTakashi Iwai unsigned int afg_unsol:1; 607639a06cSTakashi Iwai unsigned int mfg_unsol:1; 617639a06cSTakashi Iwai 627639a06cSTakashi Iwai unsigned int power_caps; /* FG power caps */ 637639a06cSTakashi Iwai 647639a06cSTakashi Iwai const char *vendor_name; /* codec vendor name */ 657639a06cSTakashi Iwai const char *chip_name; /* codec chip name */ 667639a06cSTakashi Iwai 6705852448STakashi Iwai /* verb exec op override */ 6805852448STakashi Iwai int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, 6905852448STakashi Iwai unsigned int flags, unsigned int *res); 7005852448STakashi Iwai 717639a06cSTakashi Iwai /* widgets */ 727639a06cSTakashi Iwai unsigned int num_nodes; 737639a06cSTakashi Iwai hda_nid_t start_nid, end_nid; 747639a06cSTakashi Iwai 757639a06cSTakashi Iwai /* misc flags */ 767639a06cSTakashi Iwai atomic_t in_pm; /* suspend/resume being performed */ 773256be65STakashi Iwai 783256be65STakashi Iwai /* sysfs */ 793256be65STakashi Iwai struct hdac_widget_tree *widgets; 804d75faa0STakashi Iwai 814d75faa0STakashi Iwai /* regmap */ 824d75faa0STakashi Iwai struct regmap *regmap; 835e56bceaSTakashi Iwai struct snd_array vendor_verbs; 844d75faa0STakashi Iwai bool lazy_cache:1; /* don't wake up for writes */ 85faa75f8aSTakashi Iwai bool caps_overwriting:1; /* caps overwrite being in process */ 8640ba66a7STakashi Iwai bool cache_coef:1; /* cache COEF read/write too */ 87e3d280fcSTakashi Iwai }; 88e3d280fcSTakashi Iwai 89e3d280fcSTakashi Iwai /* device/driver type used for matching */ 90e3d280fcSTakashi Iwai enum { 91e3d280fcSTakashi Iwai HDA_DEV_CORE, 92e3d280fcSTakashi Iwai HDA_DEV_LEGACY, 93*c1cc18b1SRamesh Babu HDA_DEV_ASOC, 94e3d280fcSTakashi Iwai }; 95e3d280fcSTakashi Iwai 967639a06cSTakashi Iwai /* direction */ 977639a06cSTakashi Iwai enum { 987639a06cSTakashi Iwai HDA_INPUT, HDA_OUTPUT 997639a06cSTakashi Iwai }; 1007639a06cSTakashi Iwai 101e3d280fcSTakashi Iwai #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) 102e3d280fcSTakashi Iwai 1037639a06cSTakashi Iwai int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus, 1047639a06cSTakashi Iwai const char *name, unsigned int addr); 1057639a06cSTakashi Iwai void snd_hdac_device_exit(struct hdac_device *dev); 1063256be65STakashi Iwai int snd_hdac_device_register(struct hdac_device *codec); 1073256be65STakashi Iwai void snd_hdac_device_unregister(struct hdac_device *codec); 1087639a06cSTakashi Iwai 1097639a06cSTakashi Iwai int snd_hdac_refresh_widgets(struct hdac_device *codec); 1107639a06cSTakashi Iwai 1117639a06cSTakashi Iwai unsigned int snd_hdac_make_cmd(struct hdac_device *codec, hda_nid_t nid, 1127639a06cSTakashi Iwai unsigned int verb, unsigned int parm); 11305852448STakashi Iwai int snd_hdac_exec_verb(struct hdac_device *codec, unsigned int cmd, 11405852448STakashi Iwai unsigned int flags, unsigned int *res); 1157639a06cSTakashi Iwai int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, 1167639a06cSTakashi Iwai unsigned int verb, unsigned int parm, unsigned int *res); 11701ed3c06STakashi Iwai int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm, 11801ed3c06STakashi Iwai unsigned int *res); 1199ba17b4dSTakashi Iwai int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid, 1209ba17b4dSTakashi Iwai int parm); 121faa75f8aSTakashi Iwai int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid, 122faa75f8aSTakashi Iwai unsigned int parm, unsigned int val); 1237639a06cSTakashi Iwai int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid, 1247639a06cSTakashi Iwai hda_nid_t *conn_list, int max_conns); 1257639a06cSTakashi Iwai int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, 1267639a06cSTakashi Iwai hda_nid_t *start_id); 127b7d023e1STakashi Iwai unsigned int snd_hdac_calc_stream_format(unsigned int rate, 128b7d023e1STakashi Iwai unsigned int channels, 129b7d023e1STakashi Iwai unsigned int format, 130b7d023e1STakashi Iwai unsigned int maxbps, 131b7d023e1STakashi Iwai unsigned short spdif_ctls); 132b7d023e1STakashi Iwai int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid, 133b7d023e1STakashi Iwai u32 *ratesp, u64 *formatsp, unsigned int *bpsp); 134b7d023e1STakashi Iwai bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid, 135b7d023e1STakashi Iwai unsigned int format); 1367639a06cSTakashi Iwai 13701ed3c06STakashi Iwai /** 13801ed3c06STakashi Iwai * snd_hdac_read_parm - read a codec parameter 13901ed3c06STakashi Iwai * @codec: the codec object 14001ed3c06STakashi Iwai * @nid: NID to read a parameter 14101ed3c06STakashi Iwai * @parm: parameter to read 14201ed3c06STakashi Iwai * 14301ed3c06STakashi Iwai * Returns -1 for error. If you need to distinguish the error more 14401ed3c06STakashi Iwai * strictly, use _snd_hdac_read_parm() directly. 14501ed3c06STakashi Iwai */ 14601ed3c06STakashi Iwai static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, 14701ed3c06STakashi Iwai int parm) 14801ed3c06STakashi Iwai { 14901ed3c06STakashi Iwai unsigned int val; 15001ed3c06STakashi Iwai 15101ed3c06STakashi Iwai return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val; 15201ed3c06STakashi Iwai } 15301ed3c06STakashi Iwai 1547639a06cSTakashi Iwai #ifdef CONFIG_PM 1557639a06cSTakashi Iwai void snd_hdac_power_up(struct hdac_device *codec); 1567639a06cSTakashi Iwai void snd_hdac_power_down(struct hdac_device *codec); 157c3aeda62STakashi Iwai void snd_hdac_power_up_pm(struct hdac_device *codec); 158c3aeda62STakashi Iwai void snd_hdac_power_down_pm(struct hdac_device *codec); 1597639a06cSTakashi Iwai #else 1607639a06cSTakashi Iwai static inline void snd_hdac_power_up(struct hdac_device *codec) {} 1617639a06cSTakashi Iwai static inline void snd_hdac_power_down(struct hdac_device *codec) {} 162c3aeda62STakashi Iwai static inline void snd_hdac_power_up_pm(struct hdac_device *codec) {} 163c3aeda62STakashi Iwai static inline void snd_hdac_power_down_pm(struct hdac_device *codec) {} 1647639a06cSTakashi Iwai #endif 1657639a06cSTakashi Iwai 166e3d280fcSTakashi Iwai /* 167e3d280fcSTakashi Iwai * HD-audio codec base driver 168e3d280fcSTakashi Iwai */ 169e3d280fcSTakashi Iwai struct hdac_driver { 170e3d280fcSTakashi Iwai struct device_driver driver; 171e3d280fcSTakashi Iwai int type; 172e3d280fcSTakashi Iwai int (*match)(struct hdac_device *dev, struct hdac_driver *drv); 173d068ebc2STakashi Iwai void (*unsol_event)(struct hdac_device *dev, unsigned int event); 174e3d280fcSTakashi Iwai }; 175e3d280fcSTakashi Iwai 176e3d280fcSTakashi Iwai #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) 177e3d280fcSTakashi Iwai 178d068ebc2STakashi Iwai /* 17914752412STakashi Iwai * Bus verb operators 180d068ebc2STakashi Iwai */ 181d068ebc2STakashi Iwai struct hdac_bus_ops { 182d068ebc2STakashi Iwai /* send a single command */ 183d068ebc2STakashi Iwai int (*command)(struct hdac_bus *bus, unsigned int cmd); 184d068ebc2STakashi Iwai /* get a response from the last command */ 185d068ebc2STakashi Iwai int (*get_response)(struct hdac_bus *bus, unsigned int addr, 186d068ebc2STakashi Iwai unsigned int *res); 187d068ebc2STakashi Iwai }; 188d068ebc2STakashi Iwai 18914752412STakashi Iwai /* 19014752412STakashi Iwai * Lowlevel I/O operators 19114752412STakashi Iwai */ 19214752412STakashi Iwai struct hdac_io_ops { 19314752412STakashi Iwai /* mapped register accesses */ 19414752412STakashi Iwai void (*reg_writel)(u32 value, u32 __iomem *addr); 19514752412STakashi Iwai u32 (*reg_readl)(u32 __iomem *addr); 19614752412STakashi Iwai void (*reg_writew)(u16 value, u16 __iomem *addr); 19714752412STakashi Iwai u16 (*reg_readw)(u16 __iomem *addr); 19814752412STakashi Iwai void (*reg_writeb)(u8 value, u8 __iomem *addr); 19914752412STakashi Iwai u8 (*reg_readb)(u8 __iomem *addr); 2008f3f600bSTakashi Iwai /* Allocation ops */ 2018f3f600bSTakashi Iwai int (*dma_alloc_pages)(struct hdac_bus *bus, int type, size_t size, 2028f3f600bSTakashi Iwai struct snd_dma_buffer *buf); 2038f3f600bSTakashi Iwai void (*dma_free_pages)(struct hdac_bus *bus, 2048f3f600bSTakashi Iwai struct snd_dma_buffer *buf); 20514752412STakashi Iwai }; 206d068ebc2STakashi Iwai 20714752412STakashi Iwai #define HDA_UNSOL_QUEUE_SIZE 64 20814752412STakashi Iwai #define HDA_MAX_CODECS 8 /* limit by controller side */ 20914752412STakashi Iwai 21014752412STakashi Iwai /* HD Audio class code */ 21114752412STakashi Iwai #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 21214752412STakashi Iwai 21314752412STakashi Iwai /* 21414752412STakashi Iwai * CORB/RIRB 21514752412STakashi Iwai * 21614752412STakashi Iwai * Each CORB entry is 4byte, RIRB is 8byte 21714752412STakashi Iwai */ 21814752412STakashi Iwai struct hdac_rb { 21914752412STakashi Iwai __le32 *buf; /* virtual address of CORB/RIRB buffer */ 22014752412STakashi Iwai dma_addr_t addr; /* physical address of CORB/RIRB buffer */ 22114752412STakashi Iwai unsigned short rp, wp; /* RIRB read/write pointers */ 22214752412STakashi Iwai int cmds[HDA_MAX_CODECS]; /* number of pending requests */ 22314752412STakashi Iwai u32 res[HDA_MAX_CODECS]; /* last read value */ 22414752412STakashi Iwai }; 22514752412STakashi Iwai 22614752412STakashi Iwai /* 22714752412STakashi Iwai * HD-audio bus base driver 22814752412STakashi Iwai */ 229d068ebc2STakashi Iwai struct hdac_bus { 230d068ebc2STakashi Iwai struct device *dev; 231d068ebc2STakashi Iwai const struct hdac_bus_ops *ops; 23214752412STakashi Iwai const struct hdac_io_ops *io_ops; 23314752412STakashi Iwai 23414752412STakashi Iwai /* h/w resources */ 23514752412STakashi Iwai unsigned long addr; 23614752412STakashi Iwai void __iomem *remap_addr; 23714752412STakashi Iwai int irq; 238d068ebc2STakashi Iwai 239d068ebc2STakashi Iwai /* codec linked list */ 240d068ebc2STakashi Iwai struct list_head codec_list; 241d068ebc2STakashi Iwai unsigned int num_codecs; 242d068ebc2STakashi Iwai 243d068ebc2STakashi Iwai /* link caddr -> codec */ 244d068ebc2STakashi Iwai struct hdac_device *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; 245d068ebc2STakashi Iwai 246d068ebc2STakashi Iwai /* unsolicited event queue */ 247d068ebc2STakashi Iwai u32 unsol_queue[HDA_UNSOL_QUEUE_SIZE * 2]; /* ring buffer */ 248d068ebc2STakashi Iwai unsigned int unsol_rp, unsol_wp; 249d068ebc2STakashi Iwai struct work_struct unsol_work; 250d068ebc2STakashi Iwai 25114752412STakashi Iwai /* bit flags of detected codecs */ 25214752412STakashi Iwai unsigned long codec_mask; 25314752412STakashi Iwai 254d068ebc2STakashi Iwai /* bit flags of powered codecs */ 255d068ebc2STakashi Iwai unsigned long codec_powered; 256d068ebc2STakashi Iwai 25714752412STakashi Iwai /* CORB/RIRB */ 25814752412STakashi Iwai struct hdac_rb corb; 25914752412STakashi Iwai struct hdac_rb rirb; 26014752412STakashi Iwai unsigned int last_cmd[HDA_MAX_CODECS]; /* last sent command */ 26114752412STakashi Iwai 26214752412STakashi Iwai /* CORB/RIRB and position buffers */ 26314752412STakashi Iwai struct snd_dma_buffer rb; 26414752412STakashi Iwai struct snd_dma_buffer posbuf; 26514752412STakashi Iwai 26614752412STakashi Iwai /* hdac_stream linked list */ 26714752412STakashi Iwai struct list_head stream_list; 26814752412STakashi Iwai 26914752412STakashi Iwai /* operation state */ 27014752412STakashi Iwai bool chip_init:1; /* h/w initialized */ 27114752412STakashi Iwai 27214752412STakashi Iwai /* behavior flags */ 273d068ebc2STakashi Iwai bool sync_write:1; /* sync after verb write */ 27414752412STakashi Iwai bool use_posbuf:1; /* use position buffer */ 27514752412STakashi Iwai bool snoop:1; /* enable snooping */ 27614752412STakashi Iwai bool align_bdle_4k:1; /* BDLE align 4K boundary */ 27714752412STakashi Iwai bool reverse_assign:1; /* assign devices in reverse order */ 27814752412STakashi Iwai bool corbrp_self_clear:1; /* CORBRP clears itself after reset */ 27914752412STakashi Iwai 28014752412STakashi Iwai int bdl_pos_adj; /* BDL position adjustment */ 281d068ebc2STakashi Iwai 282d068ebc2STakashi Iwai /* locks */ 28314752412STakashi Iwai spinlock_t reg_lock; 284d068ebc2STakashi Iwai struct mutex cmd_mutex; 285d068ebc2STakashi Iwai }; 286d068ebc2STakashi Iwai 287d068ebc2STakashi Iwai int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, 28814752412STakashi Iwai const struct hdac_bus_ops *ops, 28914752412STakashi Iwai const struct hdac_io_ops *io_ops); 290d068ebc2STakashi Iwai void snd_hdac_bus_exit(struct hdac_bus *bus); 291d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr, 292d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 293d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr, 294d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 295d068ebc2STakashi Iwai void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex); 296d068ebc2STakashi Iwai 297d068ebc2STakashi Iwai int snd_hdac_bus_add_device(struct hdac_bus *bus, struct hdac_device *codec); 298d068ebc2STakashi Iwai void snd_hdac_bus_remove_device(struct hdac_bus *bus, 299d068ebc2STakashi Iwai struct hdac_device *codec); 300d068ebc2STakashi Iwai 3017639a06cSTakashi Iwai static inline void snd_hdac_codec_link_up(struct hdac_device *codec) 3027639a06cSTakashi Iwai { 3037639a06cSTakashi Iwai set_bit(codec->addr, &codec->bus->codec_powered); 3047639a06cSTakashi Iwai } 3057639a06cSTakashi Iwai 3067639a06cSTakashi Iwai static inline void snd_hdac_codec_link_down(struct hdac_device *codec) 3077639a06cSTakashi Iwai { 3087639a06cSTakashi Iwai clear_bit(codec->addr, &codec->bus->codec_powered); 3097639a06cSTakashi Iwai } 3107639a06cSTakashi Iwai 31114752412STakashi Iwai int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val); 31214752412STakashi Iwai int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr, 31314752412STakashi Iwai unsigned int *res); 31414752412STakashi Iwai 31514752412STakashi Iwai bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset); 31614752412STakashi Iwai void snd_hdac_bus_stop_chip(struct hdac_bus *bus); 31714752412STakashi Iwai void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus); 31814752412STakashi Iwai void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus); 31914752412STakashi Iwai void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus); 32014752412STakashi Iwai void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus); 32114752412STakashi Iwai 32214752412STakashi Iwai void snd_hdac_bus_update_rirb(struct hdac_bus *bus); 32314752412STakashi Iwai void snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, 32414752412STakashi Iwai void (*ack)(struct hdac_bus *, 32514752412STakashi Iwai struct hdac_stream *)); 32614752412STakashi Iwai 327304dad30SJeeja KP int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus); 328304dad30SJeeja KP void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus); 329304dad30SJeeja KP 33014752412STakashi Iwai /* 33114752412STakashi Iwai * macros for easy use 33214752412STakashi Iwai */ 33314752412STakashi Iwai #define _snd_hdac_chip_write(type, chip, reg, value) \ 33414752412STakashi Iwai ((chip)->io_ops->reg_write ## type(value, (chip)->remap_addr + (reg))) 33514752412STakashi Iwai #define _snd_hdac_chip_read(type, chip, reg) \ 33614752412STakashi Iwai ((chip)->io_ops->reg_read ## type((chip)->remap_addr + (reg))) 33714752412STakashi Iwai 33814752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 33914752412STakashi Iwai #define snd_hdac_chip_writel(chip, reg, value) \ 34014752412STakashi Iwai _snd_hdac_chip_write(l, chip, AZX_REG_ ## reg, value) 34114752412STakashi Iwai #define snd_hdac_chip_writew(chip, reg, value) \ 34214752412STakashi Iwai _snd_hdac_chip_write(w, chip, AZX_REG_ ## reg, value) 34314752412STakashi Iwai #define snd_hdac_chip_writeb(chip, reg, value) \ 34414752412STakashi Iwai _snd_hdac_chip_write(b, chip, AZX_REG_ ## reg, value) 34514752412STakashi Iwai #define snd_hdac_chip_readl(chip, reg) \ 34614752412STakashi Iwai _snd_hdac_chip_read(l, chip, AZX_REG_ ## reg) 34714752412STakashi Iwai #define snd_hdac_chip_readw(chip, reg) \ 34814752412STakashi Iwai _snd_hdac_chip_read(w, chip, AZX_REG_ ## reg) 34914752412STakashi Iwai #define snd_hdac_chip_readb(chip, reg) \ 35014752412STakashi Iwai _snd_hdac_chip_read(b, chip, AZX_REG_ ## reg) 35114752412STakashi Iwai 35214752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 35314752412STakashi Iwai #define snd_hdac_chip_updatel(chip, reg, mask, val) \ 35414752412STakashi Iwai snd_hdac_chip_writel(chip, reg, \ 35514752412STakashi Iwai (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val)) 35614752412STakashi Iwai #define snd_hdac_chip_updatew(chip, reg, mask, val) \ 35714752412STakashi Iwai snd_hdac_chip_writew(chip, reg, \ 35814752412STakashi Iwai (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val)) 35914752412STakashi Iwai #define snd_hdac_chip_updateb(chip, reg, mask, val) \ 36014752412STakashi Iwai snd_hdac_chip_writeb(chip, reg, \ 36114752412STakashi Iwai (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val)) 36214752412STakashi Iwai 36314752412STakashi Iwai /* 36414752412STakashi Iwai * HD-audio stream 36514752412STakashi Iwai */ 36614752412STakashi Iwai struct hdac_stream { 36714752412STakashi Iwai struct hdac_bus *bus; 36814752412STakashi Iwai struct snd_dma_buffer bdl; /* BDL buffer */ 36914752412STakashi Iwai __le32 *posbuf; /* position buffer pointer */ 37014752412STakashi Iwai int direction; /* playback / capture (SNDRV_PCM_STREAM_*) */ 37114752412STakashi Iwai 37214752412STakashi Iwai unsigned int bufsize; /* size of the play buffer in bytes */ 37314752412STakashi Iwai unsigned int period_bytes; /* size of the period in bytes */ 37414752412STakashi Iwai unsigned int frags; /* number for period in the play buffer */ 37514752412STakashi Iwai unsigned int fifo_size; /* FIFO size */ 37614752412STakashi Iwai 37714752412STakashi Iwai void __iomem *sd_addr; /* stream descriptor pointer */ 37814752412STakashi Iwai 37914752412STakashi Iwai u32 sd_int_sta_mask; /* stream int status mask */ 38014752412STakashi Iwai 38114752412STakashi Iwai /* pcm support */ 38214752412STakashi Iwai struct snd_pcm_substream *substream; /* assigned substream, 38314752412STakashi Iwai * set in PCM open 38414752412STakashi Iwai */ 38514752412STakashi Iwai unsigned int format_val; /* format value to be set in the 38614752412STakashi Iwai * controller and the codec 38714752412STakashi Iwai */ 38814752412STakashi Iwai unsigned char stream_tag; /* assigned stream */ 38914752412STakashi Iwai unsigned char index; /* stream index */ 39014752412STakashi Iwai int assigned_key; /* last device# key assigned to */ 39114752412STakashi Iwai 39214752412STakashi Iwai bool opened:1; 39314752412STakashi Iwai bool running:1; 3946d23c8f5STakashi Iwai bool prepared:1; 39514752412STakashi Iwai bool no_period_wakeup:1; 3968f3f600bSTakashi Iwai bool locked:1; 39714752412STakashi Iwai 39814752412STakashi Iwai /* timestamp */ 39914752412STakashi Iwai unsigned long start_wallclk; /* start + minimum wallclk */ 40014752412STakashi Iwai unsigned long period_wallclk; /* wallclk for period */ 40114752412STakashi Iwai struct timecounter tc; 40214752412STakashi Iwai struct cyclecounter cc; 40314752412STakashi Iwai int delay_negative_threshold; 40414752412STakashi Iwai 40514752412STakashi Iwai struct list_head list; 4068f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 4078f3f600bSTakashi Iwai /* DSP access mutex */ 4088f3f600bSTakashi Iwai struct mutex dsp_mutex; 4098f3f600bSTakashi Iwai #endif 41014752412STakashi Iwai }; 41114752412STakashi Iwai 41214752412STakashi Iwai void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev, 41314752412STakashi Iwai int idx, int direction, int tag); 41414752412STakashi Iwai struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, 41514752412STakashi Iwai struct snd_pcm_substream *substream); 41614752412STakashi Iwai void snd_hdac_stream_release(struct hdac_stream *azx_dev); 41714752412STakashi Iwai 41814752412STakashi Iwai int snd_hdac_stream_setup(struct hdac_stream *azx_dev); 41914752412STakashi Iwai void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev); 42014752412STakashi Iwai int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev); 42114752412STakashi Iwai void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start); 42214752412STakashi Iwai void snd_hdac_stream_clear(struct hdac_stream *azx_dev); 42314752412STakashi Iwai void snd_hdac_stream_stop(struct hdac_stream *azx_dev); 42414752412STakashi Iwai void snd_hdac_stream_reset(struct hdac_stream *azx_dev); 42514752412STakashi Iwai void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set, 42614752412STakashi Iwai unsigned int streams, unsigned int reg); 42714752412STakashi Iwai void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start, 42814752412STakashi Iwai unsigned int streams); 42914752412STakashi Iwai void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev, 43014752412STakashi Iwai unsigned int streams); 43114752412STakashi Iwai /* 43214752412STakashi Iwai * macros for easy use 43314752412STakashi Iwai */ 43414752412STakashi Iwai #define _snd_hdac_stream_write(type, dev, reg, value) \ 43514752412STakashi Iwai ((dev)->bus->io_ops->reg_write ## type(value, (dev)->sd_addr + (reg))) 43614752412STakashi Iwai #define _snd_hdac_stream_read(type, dev, reg) \ 43714752412STakashi Iwai ((dev)->bus->io_ops->reg_read ## type((dev)->sd_addr + (reg))) 43814752412STakashi Iwai 43914752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 44014752412STakashi Iwai #define snd_hdac_stream_writel(dev, reg, value) \ 44114752412STakashi Iwai _snd_hdac_stream_write(l, dev, AZX_REG_ ## reg, value) 44214752412STakashi Iwai #define snd_hdac_stream_writew(dev, reg, value) \ 44314752412STakashi Iwai _snd_hdac_stream_write(w, dev, AZX_REG_ ## reg, value) 44414752412STakashi Iwai #define snd_hdac_stream_writeb(dev, reg, value) \ 44514752412STakashi Iwai _snd_hdac_stream_write(b, dev, AZX_REG_ ## reg, value) 44614752412STakashi Iwai #define snd_hdac_stream_readl(dev, reg) \ 44714752412STakashi Iwai _snd_hdac_stream_read(l, dev, AZX_REG_ ## reg) 44814752412STakashi Iwai #define snd_hdac_stream_readw(dev, reg) \ 44914752412STakashi Iwai _snd_hdac_stream_read(w, dev, AZX_REG_ ## reg) 45014752412STakashi Iwai #define snd_hdac_stream_readb(dev, reg) \ 45114752412STakashi Iwai _snd_hdac_stream_read(b, dev, AZX_REG_ ## reg) 45214752412STakashi Iwai 45314752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 45414752412STakashi Iwai #define snd_hdac_stream_updatel(dev, reg, mask, val) \ 45514752412STakashi Iwai snd_hdac_stream_writel(dev, reg, \ 45614752412STakashi Iwai (snd_hdac_stream_readl(dev, reg) & \ 45714752412STakashi Iwai ~(mask)) | (val)) 45814752412STakashi Iwai #define snd_hdac_stream_updatew(dev, reg, mask, val) \ 45914752412STakashi Iwai snd_hdac_stream_writew(dev, reg, \ 46014752412STakashi Iwai (snd_hdac_stream_readw(dev, reg) & \ 46114752412STakashi Iwai ~(mask)) | (val)) 46214752412STakashi Iwai #define snd_hdac_stream_updateb(dev, reg, mask, val) \ 46314752412STakashi Iwai snd_hdac_stream_writeb(dev, reg, \ 46414752412STakashi Iwai (snd_hdac_stream_readb(dev, reg) & \ 46514752412STakashi Iwai ~(mask)) | (val)) 46614752412STakashi Iwai 4678f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 4688f3f600bSTakashi Iwai /* DSP lock helpers */ 4698f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex) 4708f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex) 4718f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex) 4728f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) ((dev)->locked) 4738f3f600bSTakashi Iwai /* DSP loader helpers */ 4748f3f600bSTakashi Iwai int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 4758f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp); 4768f3f600bSTakashi Iwai void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start); 4778f3f600bSTakashi Iwai void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 4788f3f600bSTakashi Iwai struct snd_dma_buffer *dmab); 4798f3f600bSTakashi Iwai #else /* CONFIG_SND_HDA_DSP_LOADER */ 4808f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) do {} while (0) 4818f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) do {} while (0) 4828f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) do {} while (0) 4838f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) 0 4848f3f600bSTakashi Iwai 4858f3f600bSTakashi Iwai static inline int 4868f3f600bSTakashi Iwai snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 4878f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp) 4888f3f600bSTakashi Iwai { 4898f3f600bSTakashi Iwai return 0; 4908f3f600bSTakashi Iwai } 4918f3f600bSTakashi Iwai 4928f3f600bSTakashi Iwai static inline void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start) 4938f3f600bSTakashi Iwai { 4948f3f600bSTakashi Iwai } 4958f3f600bSTakashi Iwai 4968f3f600bSTakashi Iwai static inline void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 4978f3f600bSTakashi Iwai struct snd_dma_buffer *dmab) 4988f3f600bSTakashi Iwai { 4998f3f600bSTakashi Iwai } 5008f3f600bSTakashi Iwai #endif /* CONFIG_SND_HDA_DSP_LOADER */ 5018f3f600bSTakashi Iwai 5028f3f600bSTakashi Iwai 50371fc4c7eSTakashi Iwai /* 50471fc4c7eSTakashi Iwai * generic array helpers 50571fc4c7eSTakashi Iwai */ 50671fc4c7eSTakashi Iwai void *snd_array_new(struct snd_array *array); 50771fc4c7eSTakashi Iwai void snd_array_free(struct snd_array *array); 50871fc4c7eSTakashi Iwai static inline void snd_array_init(struct snd_array *array, unsigned int size, 50971fc4c7eSTakashi Iwai unsigned int align) 51071fc4c7eSTakashi Iwai { 51171fc4c7eSTakashi Iwai array->elem_size = size; 51271fc4c7eSTakashi Iwai array->alloc_align = align; 51371fc4c7eSTakashi Iwai } 51471fc4c7eSTakashi Iwai 51571fc4c7eSTakashi Iwai static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) 51671fc4c7eSTakashi Iwai { 51771fc4c7eSTakashi Iwai return array->list + idx * array->elem_size; 51871fc4c7eSTakashi Iwai } 51971fc4c7eSTakashi Iwai 52071fc4c7eSTakashi Iwai static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) 52171fc4c7eSTakashi Iwai { 52271fc4c7eSTakashi Iwai return (unsigned long)(ptr - array->list) / array->elem_size; 52371fc4c7eSTakashi Iwai } 52471fc4c7eSTakashi Iwai 525e3d280fcSTakashi Iwai #endif /* __SOUND_HDAUDIO_H */ 526