1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 2e3d280fcSTakashi Iwai /* 3e3d280fcSTakashi Iwai * HD-audio core stuff 4e3d280fcSTakashi Iwai */ 5e3d280fcSTakashi Iwai 6e3d280fcSTakashi Iwai #ifndef __SOUND_HDAUDIO_H 7e3d280fcSTakashi Iwai #define __SOUND_HDAUDIO_H 8e3d280fcSTakashi Iwai 9e3d280fcSTakashi Iwai #include <linux/device.h> 1014752412STakashi Iwai #include <linux/interrupt.h> 11feb20faeSTakashi Iwai #include <linux/pm_runtime.h> 1214752412STakashi Iwai #include <linux/timecounter.h> 1314752412STakashi Iwai #include <sound/core.h> 14a6ea5fe9STakashi Iwai #include <sound/pcm.h> 1514752412STakashi Iwai #include <sound/memalloc.h> 16d068ebc2STakashi Iwai #include <sound/hda_verbs.h> 1798d8fc6cSMengdong Lin #include <drm/i915_component.h> 18d068ebc2STakashi Iwai 197639a06cSTakashi Iwai /* codec node id */ 207639a06cSTakashi Iwai typedef u16 hda_nid_t; 217639a06cSTakashi Iwai 22d068ebc2STakashi Iwai struct hdac_bus; 2314752412STakashi Iwai struct hdac_stream; 24d068ebc2STakashi Iwai struct hdac_device; 25d068ebc2STakashi Iwai struct hdac_driver; 263256be65STakashi Iwai struct hdac_widget_tree; 27da23ac1eSSubhransu S. Prusty struct hda_device_id; 28e3d280fcSTakashi Iwai 29e3d280fcSTakashi Iwai /* 30e3d280fcSTakashi Iwai * exported bus type 31e3d280fcSTakashi Iwai */ 32e3d280fcSTakashi Iwai extern struct bus_type snd_hda_bus_type; 33e3d280fcSTakashi Iwai 34e3d280fcSTakashi Iwai /* 3571fc4c7eSTakashi Iwai * generic arrays 3671fc4c7eSTakashi Iwai */ 3771fc4c7eSTakashi Iwai struct snd_array { 3871fc4c7eSTakashi Iwai unsigned int used; 3971fc4c7eSTakashi Iwai unsigned int alloced; 4071fc4c7eSTakashi Iwai unsigned int elem_size; 4171fc4c7eSTakashi Iwai unsigned int alloc_align; 4271fc4c7eSTakashi Iwai void *list; 4371fc4c7eSTakashi Iwai }; 4471fc4c7eSTakashi Iwai 4571fc4c7eSTakashi Iwai /* 46e3d280fcSTakashi Iwai * HD-audio codec base device 47e3d280fcSTakashi Iwai */ 48e3d280fcSTakashi Iwai struct hdac_device { 49e3d280fcSTakashi Iwai struct device dev; 50e3d280fcSTakashi Iwai int type; 51d068ebc2STakashi Iwai struct hdac_bus *bus; 52d068ebc2STakashi Iwai unsigned int addr; /* codec address */ 53d068ebc2STakashi Iwai struct list_head list; /* list point for bus codec_list */ 547639a06cSTakashi Iwai 557639a06cSTakashi Iwai hda_nid_t afg; /* AFG node id */ 567639a06cSTakashi Iwai hda_nid_t mfg; /* MFG node id */ 577639a06cSTakashi Iwai 587639a06cSTakashi Iwai /* ids */ 597639a06cSTakashi Iwai unsigned int vendor_id; 607639a06cSTakashi Iwai unsigned int subsystem_id; 617639a06cSTakashi Iwai unsigned int revision_id; 627639a06cSTakashi Iwai unsigned int afg_function_id; 637639a06cSTakashi Iwai unsigned int mfg_function_id; 647639a06cSTakashi Iwai unsigned int afg_unsol:1; 657639a06cSTakashi Iwai unsigned int mfg_unsol:1; 667639a06cSTakashi Iwai 677639a06cSTakashi Iwai unsigned int power_caps; /* FG power caps */ 687639a06cSTakashi Iwai 697639a06cSTakashi Iwai const char *vendor_name; /* codec vendor name */ 707639a06cSTakashi Iwai const char *chip_name; /* codec chip name */ 717639a06cSTakashi Iwai 7205852448STakashi Iwai /* verb exec op override */ 7305852448STakashi Iwai int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, 7405852448STakashi Iwai unsigned int flags, unsigned int *res); 7505852448STakashi Iwai 767639a06cSTakashi Iwai /* widgets */ 777639a06cSTakashi Iwai unsigned int num_nodes; 787639a06cSTakashi Iwai hda_nid_t start_nid, end_nid; 797639a06cSTakashi Iwai 807639a06cSTakashi Iwai /* misc flags */ 817639a06cSTakashi Iwai atomic_t in_pm; /* suspend/resume being performed */ 823256be65STakashi Iwai 833256be65STakashi Iwai /* sysfs */ 84ed180abbSAmadeusz Sławiński struct mutex widget_lock; 853256be65STakashi Iwai struct hdac_widget_tree *widgets; 864d75faa0STakashi Iwai 874d75faa0STakashi Iwai /* regmap */ 884d75faa0STakashi Iwai struct regmap *regmap; 895e56bceaSTakashi Iwai struct snd_array vendor_verbs; 904d75faa0STakashi Iwai bool lazy_cache:1; /* don't wake up for writes */ 91faa75f8aSTakashi Iwai bool caps_overwriting:1; /* caps overwrite being in process */ 9240ba66a7STakashi Iwai bool cache_coef:1; /* cache COEF read/write too */ 93e3d280fcSTakashi Iwai }; 94e3d280fcSTakashi Iwai 95e3d280fcSTakashi Iwai /* device/driver type used for matching */ 96e3d280fcSTakashi Iwai enum { 97e3d280fcSTakashi Iwai HDA_DEV_CORE, 98e3d280fcSTakashi Iwai HDA_DEV_LEGACY, 99c1cc18b1SRamesh Babu HDA_DEV_ASOC, 100e3d280fcSTakashi Iwai }; 101e3d280fcSTakashi Iwai 102d82b51c8SPierre-Louis Bossart enum { 103d82b51c8SPierre-Louis Bossart SND_SKL_PCI_BIND_AUTO, /* automatic selection based on pci class */ 104d82b51c8SPierre-Louis Bossart SND_SKL_PCI_BIND_LEGACY,/* bind only with legacy driver */ 105d82b51c8SPierre-Louis Bossart SND_SKL_PCI_BIND_ASOC /* bind only with ASoC driver */ 106d82b51c8SPierre-Louis Bossart }; 107d82b51c8SPierre-Louis Bossart 1087639a06cSTakashi Iwai /* direction */ 1097639a06cSTakashi Iwai enum { 1107639a06cSTakashi Iwai HDA_INPUT, HDA_OUTPUT 1117639a06cSTakashi Iwai }; 1127639a06cSTakashi Iwai 113e3d280fcSTakashi Iwai #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) 114e3d280fcSTakashi Iwai 1157639a06cSTakashi Iwai int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus, 1167639a06cSTakashi Iwai const char *name, unsigned int addr); 1177639a06cSTakashi Iwai void snd_hdac_device_exit(struct hdac_device *dev); 1183256be65STakashi Iwai int snd_hdac_device_register(struct hdac_device *codec); 1193256be65STakashi Iwai void snd_hdac_device_unregister(struct hdac_device *codec); 120ded255beSTakashi Iwai int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name); 1214f9e0c38STakashi Iwai int snd_hdac_codec_modalias(struct hdac_device *hdac, char *buf, size_t size); 1227639a06cSTakashi Iwai 123774a075aSTakashi Iwai int snd_hdac_refresh_widgets(struct hdac_device *codec); 1247639a06cSTakashi Iwai 1257639a06cSTakashi Iwai int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, 1267639a06cSTakashi Iwai unsigned int verb, unsigned int parm, unsigned int *res); 12701ed3c06STakashi Iwai int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm, 12801ed3c06STakashi Iwai unsigned int *res); 1299ba17b4dSTakashi Iwai int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid, 1309ba17b4dSTakashi Iwai int parm); 131faa75f8aSTakashi Iwai int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid, 132faa75f8aSTakashi Iwai unsigned int parm, unsigned int val); 1337639a06cSTakashi Iwai int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid, 1347639a06cSTakashi Iwai hda_nid_t *conn_list, int max_conns); 1357639a06cSTakashi Iwai int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, 1367639a06cSTakashi Iwai hda_nid_t *start_id); 137b7d023e1STakashi Iwai unsigned int snd_hdac_calc_stream_format(unsigned int rate, 138b7d023e1STakashi Iwai unsigned int channels, 139a6ea5fe9STakashi Iwai snd_pcm_format_t format, 140b7d023e1STakashi Iwai unsigned int maxbps, 141b7d023e1STakashi Iwai unsigned short spdif_ctls); 142b7d023e1STakashi Iwai int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid, 143b7d023e1STakashi Iwai u32 *ratesp, u64 *formatsp, unsigned int *bpsp); 144b7d023e1STakashi Iwai bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid, 145b7d023e1STakashi Iwai unsigned int format); 1467639a06cSTakashi Iwai 1471b5e6167SSubhransu S. Prusty int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid, 1481b5e6167SSubhransu S. Prusty int flags, unsigned int verb, unsigned int parm); 1491b5e6167SSubhransu S. Prusty int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid, 1501b5e6167SSubhransu S. Prusty int flags, unsigned int verb, unsigned int parm); 1511b5e6167SSubhransu S. Prusty bool snd_hdac_check_power_state(struct hdac_device *hdac, 1521b5e6167SSubhransu S. Prusty hda_nid_t nid, unsigned int target_state); 15309787492SAbhijeet Kumar unsigned int snd_hdac_sync_power_state(struct hdac_device *hdac, 15409787492SAbhijeet Kumar hda_nid_t nid, unsigned int target_state); 15501ed3c06STakashi Iwai /** 15601ed3c06STakashi Iwai * snd_hdac_read_parm - read a codec parameter 15701ed3c06STakashi Iwai * @codec: the codec object 15801ed3c06STakashi Iwai * @nid: NID to read a parameter 15901ed3c06STakashi Iwai * @parm: parameter to read 16001ed3c06STakashi Iwai * 16101ed3c06STakashi Iwai * Returns -1 for error. If you need to distinguish the error more 16201ed3c06STakashi Iwai * strictly, use _snd_hdac_read_parm() directly. 16301ed3c06STakashi Iwai */ 16401ed3c06STakashi Iwai static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, 16501ed3c06STakashi Iwai int parm) 16601ed3c06STakashi Iwai { 16701ed3c06STakashi Iwai unsigned int val; 16801ed3c06STakashi Iwai 16901ed3c06STakashi Iwai return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val; 17001ed3c06STakashi Iwai } 17101ed3c06STakashi Iwai 1727639a06cSTakashi Iwai #ifdef CONFIG_PM 173fbce23a0STakashi Iwai int snd_hdac_power_up(struct hdac_device *codec); 174fbce23a0STakashi Iwai int snd_hdac_power_down(struct hdac_device *codec); 175fbce23a0STakashi Iwai int snd_hdac_power_up_pm(struct hdac_device *codec); 176fbce23a0STakashi Iwai int snd_hdac_power_down_pm(struct hdac_device *codec); 177fc4f000bSTakashi Iwai int snd_hdac_keep_power_up(struct hdac_device *codec); 178feb20faeSTakashi Iwai 179feb20faeSTakashi Iwai /* call this at entering into suspend/resume callbacks in codec driver */ 180feb20faeSTakashi Iwai static inline void snd_hdac_enter_pm(struct hdac_device *codec) 181feb20faeSTakashi Iwai { 182feb20faeSTakashi Iwai atomic_inc(&codec->in_pm); 183feb20faeSTakashi Iwai } 184feb20faeSTakashi Iwai 185feb20faeSTakashi Iwai /* call this at leaving from suspend/resume callbacks in codec driver */ 186feb20faeSTakashi Iwai static inline void snd_hdac_leave_pm(struct hdac_device *codec) 187feb20faeSTakashi Iwai { 188feb20faeSTakashi Iwai atomic_dec(&codec->in_pm); 189feb20faeSTakashi Iwai } 190feb20faeSTakashi Iwai 191feb20faeSTakashi Iwai static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) 192feb20faeSTakashi Iwai { 193feb20faeSTakashi Iwai return atomic_read(&codec->in_pm); 194feb20faeSTakashi Iwai } 195feb20faeSTakashi Iwai 196feb20faeSTakashi Iwai static inline bool snd_hdac_is_power_on(struct hdac_device *codec) 197feb20faeSTakashi Iwai { 198feb20faeSTakashi Iwai return !pm_runtime_suspended(&codec->dev); 199feb20faeSTakashi Iwai } 2007639a06cSTakashi Iwai #else 201fbce23a0STakashi Iwai static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; } 202fbce23a0STakashi Iwai static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; } 203fbce23a0STakashi Iwai static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; } 204fbce23a0STakashi Iwai static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; } 205fc4f000bSTakashi Iwai static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; } 206feb20faeSTakashi Iwai static inline void snd_hdac_enter_pm(struct hdac_device *codec) {} 207feb20faeSTakashi Iwai static inline void snd_hdac_leave_pm(struct hdac_device *codec) {} 208feb20faeSTakashi Iwai static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) { return 0; } 209feb20faeSTakashi Iwai static inline bool snd_hdac_is_power_on(struct hdac_device *codec) { return 1; } 2107639a06cSTakashi Iwai #endif 2117639a06cSTakashi Iwai 212e3d280fcSTakashi Iwai /* 213e3d280fcSTakashi Iwai * HD-audio codec base driver 214e3d280fcSTakashi Iwai */ 215e3d280fcSTakashi Iwai struct hdac_driver { 216e3d280fcSTakashi Iwai struct device_driver driver; 217e3d280fcSTakashi Iwai int type; 218ec71efc9SVinod Koul const struct hda_device_id *id_table; 219e3d280fcSTakashi Iwai int (*match)(struct hdac_device *dev, struct hdac_driver *drv); 220d068ebc2STakashi Iwai void (*unsol_event)(struct hdac_device *dev, unsigned int event); 221e1df9317SRakesh Ughreja 222e1df9317SRakesh Ughreja /* fields used by ext bus APIs */ 223e1df9317SRakesh Ughreja int (*probe)(struct hdac_device *dev); 224e1df9317SRakesh Ughreja int (*remove)(struct hdac_device *dev); 225e1df9317SRakesh Ughreja void (*shutdown)(struct hdac_device *dev); 226e3d280fcSTakashi Iwai }; 227e3d280fcSTakashi Iwai 228e3d280fcSTakashi Iwai #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) 229e3d280fcSTakashi Iwai 230ec71efc9SVinod Koul const struct hda_device_id * 231ec71efc9SVinod Koul hdac_get_device_id(struct hdac_device *hdev, struct hdac_driver *drv); 232ec71efc9SVinod Koul 233d068ebc2STakashi Iwai /* 23414752412STakashi Iwai * Bus verb operators 235d068ebc2STakashi Iwai */ 236d068ebc2STakashi Iwai struct hdac_bus_ops { 237d068ebc2STakashi Iwai /* send a single command */ 238d068ebc2STakashi Iwai int (*command)(struct hdac_bus *bus, unsigned int cmd); 239d068ebc2STakashi Iwai /* get a response from the last command */ 240d068ebc2STakashi Iwai int (*get_response)(struct hdac_bus *bus, unsigned int addr, 241d068ebc2STakashi Iwai unsigned int *res); 242d068ebc2STakashi Iwai }; 243d068ebc2STakashi Iwai 24414752412STakashi Iwai /* 245cb04ba33SRakesh Ughreja * ops used for ASoC HDA codec drivers 246cb04ba33SRakesh Ughreja */ 247cb04ba33SRakesh Ughreja struct hdac_ext_bus_ops { 248cb04ba33SRakesh Ughreja int (*hdev_attach)(struct hdac_device *hdev); 249cb04ba33SRakesh Ughreja int (*hdev_detach)(struct hdac_device *hdev); 250cb04ba33SRakesh Ughreja }; 251cb04ba33SRakesh Ughreja 25214752412STakashi Iwai #define HDA_UNSOL_QUEUE_SIZE 64 25314752412STakashi Iwai #define HDA_MAX_CODECS 8 /* limit by controller side */ 25414752412STakashi Iwai 25514752412STakashi Iwai /* 25614752412STakashi Iwai * CORB/RIRB 25714752412STakashi Iwai * 25814752412STakashi Iwai * Each CORB entry is 4byte, RIRB is 8byte 25914752412STakashi Iwai */ 26014752412STakashi Iwai struct hdac_rb { 26114752412STakashi Iwai __le32 *buf; /* virtual address of CORB/RIRB buffer */ 26214752412STakashi Iwai dma_addr_t addr; /* physical address of CORB/RIRB buffer */ 26314752412STakashi Iwai unsigned short rp, wp; /* RIRB read/write pointers */ 26414752412STakashi Iwai int cmds[HDA_MAX_CODECS]; /* number of pending requests */ 26514752412STakashi Iwai u32 res[HDA_MAX_CODECS]; /* last read value */ 26614752412STakashi Iwai }; 26714752412STakashi Iwai 26814752412STakashi Iwai /* 26914752412STakashi Iwai * HD-audio bus base driver 2706720b384SVinod Koul * 2716720b384SVinod Koul * @ppcap: pp capabilities pointer 2726720b384SVinod Koul * @spbcap: SPIB capabilities pointer 2736720b384SVinod Koul * @mlcap: MultiLink capabilities pointer 2746720b384SVinod Koul * @gtscap: gts capabilities pointer 2756720b384SVinod Koul * @drsmcap: dma resume capabilities pointer 27676f56faeSRakesh Ughreja * @num_streams: streams supported 27776f56faeSRakesh Ughreja * @idx: HDA link index 27876f56faeSRakesh Ughreja * @hlink_list: link list of HDA links 279e61ab9f0STakashi Iwai * @lock: lock for link and display power mgmt 28076f56faeSRakesh Ughreja * @cmd_dma_state: state of cmd DMAs: CORB and RIRB 28114752412STakashi Iwai */ 282d068ebc2STakashi Iwai struct hdac_bus { 283d068ebc2STakashi Iwai struct device *dev; 284d068ebc2STakashi Iwai const struct hdac_bus_ops *ops; 285cb04ba33SRakesh Ughreja const struct hdac_ext_bus_ops *ext_ops; 28614752412STakashi Iwai 28714752412STakashi Iwai /* h/w resources */ 28814752412STakashi Iwai unsigned long addr; 28914752412STakashi Iwai void __iomem *remap_addr; 29014752412STakashi Iwai int irq; 291d068ebc2STakashi Iwai 2926720b384SVinod Koul void __iomem *ppcap; 2936720b384SVinod Koul void __iomem *spbcap; 2946720b384SVinod Koul void __iomem *mlcap; 2956720b384SVinod Koul void __iomem *gtscap; 2966720b384SVinod Koul void __iomem *drsmcap; 2976720b384SVinod Koul 298d068ebc2STakashi Iwai /* codec linked list */ 299d068ebc2STakashi Iwai struct list_head codec_list; 300d068ebc2STakashi Iwai unsigned int num_codecs; 301d068ebc2STakashi Iwai 302d068ebc2STakashi Iwai /* link caddr -> codec */ 303d068ebc2STakashi Iwai struct hdac_device *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; 304d068ebc2STakashi Iwai 305d068ebc2STakashi Iwai /* unsolicited event queue */ 306d068ebc2STakashi Iwai u32 unsol_queue[HDA_UNSOL_QUEUE_SIZE * 2]; /* ring buffer */ 307d068ebc2STakashi Iwai unsigned int unsol_rp, unsol_wp; 308d068ebc2STakashi Iwai struct work_struct unsol_work; 309d068ebc2STakashi Iwai 31014752412STakashi Iwai /* bit flags of detected codecs */ 31114752412STakashi Iwai unsigned long codec_mask; 31214752412STakashi Iwai 313d068ebc2STakashi Iwai /* bit flags of powered codecs */ 314d068ebc2STakashi Iwai unsigned long codec_powered; 315d068ebc2STakashi Iwai 31614752412STakashi Iwai /* CORB/RIRB */ 31714752412STakashi Iwai struct hdac_rb corb; 31814752412STakashi Iwai struct hdac_rb rirb; 31914752412STakashi Iwai unsigned int last_cmd[HDA_MAX_CODECS]; /* last sent command */ 32088452da9STakashi Iwai wait_queue_head_t rirb_wq; 32114752412STakashi Iwai 32214752412STakashi Iwai /* CORB/RIRB and position buffers */ 32314752412STakashi Iwai struct snd_dma_buffer rb; 32414752412STakashi Iwai struct snd_dma_buffer posbuf; 325619a1f19STakashi Iwai int dma_type; /* SNDRV_DMA_TYPE_XXX for CORB/RIRB */ 32614752412STakashi Iwai 32714752412STakashi Iwai /* hdac_stream linked list */ 32814752412STakashi Iwai struct list_head stream_list; 32914752412STakashi Iwai 33014752412STakashi Iwai /* operation state */ 33114752412STakashi Iwai bool chip_init:1; /* h/w initialized */ 33214752412STakashi Iwai 33314752412STakashi Iwai /* behavior flags */ 334d068ebc2STakashi Iwai bool sync_write:1; /* sync after verb write */ 33514752412STakashi Iwai bool use_posbuf:1; /* use position buffer */ 33614752412STakashi Iwai bool snoop:1; /* enable snooping */ 33714752412STakashi Iwai bool align_bdle_4k:1; /* BDLE align 4K boundary */ 33814752412STakashi Iwai bool reverse_assign:1; /* assign devices in reverse order */ 33914752412STakashi Iwai bool corbrp_self_clear:1; /* CORBRP clears itself after reset */ 3408af42130SBard Liao bool polling_mode:1; 3418af42130SBard Liao 3428af42130SBard Liao int poll_count; 34314752412STakashi Iwai 34414752412STakashi Iwai int bdl_pos_adj; /* BDL position adjustment */ 345d068ebc2STakashi Iwai 346d068ebc2STakashi Iwai /* locks */ 34714752412STakashi Iwai spinlock_t reg_lock; 348d068ebc2STakashi Iwai struct mutex cmd_mutex; 349e61ab9f0STakashi Iwai struct mutex lock; 35098d8fc6cSMengdong Lin 351ae891abeSTakashi Iwai /* DRM component interface */ 352ae891abeSTakashi Iwai struct drm_audio_component *audio_component; 353029d92c2STakashi Iwai long display_power_status; 354d31c85fcSChris Wilson unsigned long display_power_active; 35576f56faeSRakesh Ughreja 35676f56faeSRakesh Ughreja /* parameters required for enhanced capabilities */ 35776f56faeSRakesh Ughreja int num_streams; 35876f56faeSRakesh Ughreja int idx; 35976f56faeSRakesh Ughreja 360e61ab9f0STakashi Iwai /* link management */ 36176f56faeSRakesh Ughreja struct list_head hlink_list; 36276f56faeSRakesh Ughreja bool cmd_dma_state; 363d068ebc2STakashi Iwai }; 364d068ebc2STakashi Iwai 365d068ebc2STakashi Iwai int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, 36619abfefdSTakashi Iwai const struct hdac_bus_ops *ops); 367d068ebc2STakashi Iwai void snd_hdac_bus_exit(struct hdac_bus *bus); 368d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb(struct hdac_bus *bus, unsigned int addr, 369d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 370d068ebc2STakashi Iwai int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr, 371d068ebc2STakashi Iwai unsigned int cmd, unsigned int *res); 372d068ebc2STakashi Iwai void snd_hdac_bus_queue_event(struct hdac_bus *bus, u32 res, u32 res_ex); 373d068ebc2STakashi Iwai 3747639a06cSTakashi Iwai static inline void snd_hdac_codec_link_up(struct hdac_device *codec) 3757639a06cSTakashi Iwai { 3767639a06cSTakashi Iwai set_bit(codec->addr, &codec->bus->codec_powered); 3777639a06cSTakashi Iwai } 3787639a06cSTakashi Iwai 3797639a06cSTakashi Iwai static inline void snd_hdac_codec_link_down(struct hdac_device *codec) 3807639a06cSTakashi Iwai { 3817639a06cSTakashi Iwai clear_bit(codec->addr, &codec->bus->codec_powered); 3827639a06cSTakashi Iwai } 3837639a06cSTakashi Iwai 38414752412STakashi Iwai int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val); 38514752412STakashi Iwai int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr, 38614752412STakashi Iwai unsigned int *res); 3876720b384SVinod Koul int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus); 38814752412STakashi Iwai 38914752412STakashi Iwai bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset); 39014752412STakashi Iwai void snd_hdac_bus_stop_chip(struct hdac_bus *bus); 39114752412STakashi Iwai void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus); 39214752412STakashi Iwai void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus); 39314752412STakashi Iwai void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus); 39414752412STakashi Iwai void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus); 39575383f8dSYu Zhao int snd_hdac_bus_reset_link(struct hdac_bus *bus, bool full_reset); 39614752412STakashi Iwai 39714752412STakashi Iwai void snd_hdac_bus_update_rirb(struct hdac_bus *bus); 398473f4145STakashi Iwai int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, 39914752412STakashi Iwai void (*ack)(struct hdac_bus *, 40014752412STakashi Iwai struct hdac_stream *)); 40114752412STakashi Iwai 402304dad30SJeeja KP int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus); 403304dad30SJeeja KP void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus); 404304dad30SJeeja KP 40519abfefdSTakashi Iwai #ifdef CONFIG_SND_HDA_ALIGNED_MMIO 40619abfefdSTakashi Iwai unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask); 40719abfefdSTakashi Iwai void snd_hdac_aligned_write(unsigned int val, void __iomem *addr, 40819abfefdSTakashi Iwai unsigned int mask); 40919abfefdSTakashi Iwai #define snd_hdac_reg_writeb(v, addr) snd_hdac_aligned_write(v, addr, 0xff) 41019abfefdSTakashi Iwai #define snd_hdac_reg_writew(v, addr) snd_hdac_aligned_write(v, addr, 0xffff) 41119abfefdSTakashi Iwai #define snd_hdac_reg_readb(addr) snd_hdac_aligned_read(addr, 0xff) 41219abfefdSTakashi Iwai #define snd_hdac_reg_readw(addr) snd_hdac_aligned_read(addr, 0xffff) 41319abfefdSTakashi Iwai #else /* CONFIG_SND_HDA_ALIGNED_MMIO */ 41419abfefdSTakashi Iwai #define snd_hdac_reg_writeb(val, addr) writeb(val, addr) 41519abfefdSTakashi Iwai #define snd_hdac_reg_writew(val, addr) writew(val, addr) 41619abfefdSTakashi Iwai #define snd_hdac_reg_readb(addr) readb(addr) 41719abfefdSTakashi Iwai #define snd_hdac_reg_readw(addr) readw(addr) 41819abfefdSTakashi Iwai #endif /* CONFIG_SND_HDA_ALIGNED_MMIO */ 41919abfefdSTakashi Iwai #define snd_hdac_reg_writel(val, addr) writel(val, addr) 42019abfefdSTakashi Iwai #define snd_hdac_reg_readl(addr) readl(addr) 42119abfefdSTakashi Iwai 42214752412STakashi Iwai /* 42314752412STakashi Iwai * macros for easy use 42414752412STakashi Iwai */ 4252c1f8138STakashi Iwai #define _snd_hdac_chip_writeb(chip, reg, value) \ 42619abfefdSTakashi Iwai snd_hdac_reg_writeb(value, (chip)->remap_addr + (reg)) 4272c1f8138STakashi Iwai #define _snd_hdac_chip_readb(chip, reg) \ 42819abfefdSTakashi Iwai snd_hdac_reg_readb((chip)->remap_addr + (reg)) 4292c1f8138STakashi Iwai #define _snd_hdac_chip_writew(chip, reg, value) \ 43019abfefdSTakashi Iwai snd_hdac_reg_writew(value, (chip)->remap_addr + (reg)) 4312c1f8138STakashi Iwai #define _snd_hdac_chip_readw(chip, reg) \ 43219abfefdSTakashi Iwai snd_hdac_reg_readw((chip)->remap_addr + (reg)) 4332c1f8138STakashi Iwai #define _snd_hdac_chip_writel(chip, reg, value) \ 43419abfefdSTakashi Iwai snd_hdac_reg_writel(value, (chip)->remap_addr + (reg)) 4352c1f8138STakashi Iwai #define _snd_hdac_chip_readl(chip, reg) \ 43619abfefdSTakashi Iwai snd_hdac_reg_readl((chip)->remap_addr + (reg)) 43714752412STakashi Iwai 43814752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 43914752412STakashi Iwai #define snd_hdac_chip_writel(chip, reg, value) \ 4402c1f8138STakashi Iwai _snd_hdac_chip_writel(chip, AZX_REG_ ## reg, value) 44114752412STakashi Iwai #define snd_hdac_chip_writew(chip, reg, value) \ 4422c1f8138STakashi Iwai _snd_hdac_chip_writew(chip, AZX_REG_ ## reg, value) 44314752412STakashi Iwai #define snd_hdac_chip_writeb(chip, reg, value) \ 4442c1f8138STakashi Iwai _snd_hdac_chip_writeb(chip, AZX_REG_ ## reg, value) 44514752412STakashi Iwai #define snd_hdac_chip_readl(chip, reg) \ 4462c1f8138STakashi Iwai _snd_hdac_chip_readl(chip, AZX_REG_ ## reg) 44714752412STakashi Iwai #define snd_hdac_chip_readw(chip, reg) \ 4482c1f8138STakashi Iwai _snd_hdac_chip_readw(chip, AZX_REG_ ## reg) 44914752412STakashi Iwai #define snd_hdac_chip_readb(chip, reg) \ 4502c1f8138STakashi Iwai _snd_hdac_chip_readb(chip, AZX_REG_ ## reg) 45114752412STakashi Iwai 45214752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 45314752412STakashi Iwai #define snd_hdac_chip_updatel(chip, reg, mask, val) \ 45414752412STakashi Iwai snd_hdac_chip_writel(chip, reg, \ 45514752412STakashi Iwai (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val)) 45614752412STakashi Iwai #define snd_hdac_chip_updatew(chip, reg, mask, val) \ 45714752412STakashi Iwai snd_hdac_chip_writew(chip, reg, \ 45814752412STakashi Iwai (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val)) 45914752412STakashi Iwai #define snd_hdac_chip_updateb(chip, reg, mask, val) \ 46014752412STakashi Iwai snd_hdac_chip_writeb(chip, reg, \ 46114752412STakashi Iwai (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val)) 46214752412STakashi Iwai 46314752412STakashi Iwai /* 46414752412STakashi Iwai * HD-audio stream 46514752412STakashi Iwai */ 46614752412STakashi Iwai struct hdac_stream { 46714752412STakashi Iwai struct hdac_bus *bus; 46814752412STakashi Iwai struct snd_dma_buffer bdl; /* BDL buffer */ 46914752412STakashi Iwai __le32 *posbuf; /* position buffer pointer */ 47014752412STakashi Iwai int direction; /* playback / capture (SNDRV_PCM_STREAM_*) */ 47114752412STakashi Iwai 47214752412STakashi Iwai unsigned int bufsize; /* size of the play buffer in bytes */ 47314752412STakashi Iwai unsigned int period_bytes; /* size of the period in bytes */ 47414752412STakashi Iwai unsigned int frags; /* number for period in the play buffer */ 47514752412STakashi Iwai unsigned int fifo_size; /* FIFO size */ 47614752412STakashi Iwai 47714752412STakashi Iwai void __iomem *sd_addr; /* stream descriptor pointer */ 47814752412STakashi Iwai 47914752412STakashi Iwai u32 sd_int_sta_mask; /* stream int status mask */ 48014752412STakashi Iwai 48114752412STakashi Iwai /* pcm support */ 48214752412STakashi Iwai struct snd_pcm_substream *substream; /* assigned substream, 48314752412STakashi Iwai * set in PCM open 48414752412STakashi Iwai */ 48514752412STakashi Iwai unsigned int format_val; /* format value to be set in the 48614752412STakashi Iwai * controller and the codec 48714752412STakashi Iwai */ 48814752412STakashi Iwai unsigned char stream_tag; /* assigned stream */ 48914752412STakashi Iwai unsigned char index; /* stream index */ 49014752412STakashi Iwai int assigned_key; /* last device# key assigned to */ 49114752412STakashi Iwai 49214752412STakashi Iwai bool opened:1; 49314752412STakashi Iwai bool running:1; 4946d23c8f5STakashi Iwai bool prepared:1; 49514752412STakashi Iwai bool no_period_wakeup:1; 4968f3f600bSTakashi Iwai bool locked:1; 497e38e486dSTakashi Iwai bool stripe:1; /* apply stripe control */ 49814752412STakashi Iwai 49914752412STakashi Iwai /* timestamp */ 50014752412STakashi Iwai unsigned long start_wallclk; /* start + minimum wallclk */ 50114752412STakashi Iwai unsigned long period_wallclk; /* wallclk for period */ 50214752412STakashi Iwai struct timecounter tc; 50314752412STakashi Iwai struct cyclecounter cc; 50414752412STakashi Iwai int delay_negative_threshold; 50514752412STakashi Iwai 50614752412STakashi Iwai struct list_head list; 5078f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 5088f3f600bSTakashi Iwai /* DSP access mutex */ 5098f3f600bSTakashi Iwai struct mutex dsp_mutex; 5108f3f600bSTakashi Iwai #endif 51114752412STakashi Iwai }; 51214752412STakashi Iwai 51314752412STakashi Iwai void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev, 51414752412STakashi Iwai int idx, int direction, int tag); 51514752412STakashi Iwai struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, 51614752412STakashi Iwai struct snd_pcm_substream *substream); 51714752412STakashi Iwai void snd_hdac_stream_release(struct hdac_stream *azx_dev); 5184308c9b0SJeeja KP struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus, 5194308c9b0SJeeja KP int dir, int stream_tag); 52014752412STakashi Iwai 52114752412STakashi Iwai int snd_hdac_stream_setup(struct hdac_stream *azx_dev); 52214752412STakashi Iwai void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev); 52314752412STakashi Iwai int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev); 52486f6501bSJeeja KP int snd_hdac_stream_set_params(struct hdac_stream *azx_dev, 52586f6501bSJeeja KP unsigned int format_val); 52614752412STakashi Iwai void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start); 52714752412STakashi Iwai void snd_hdac_stream_clear(struct hdac_stream *azx_dev); 52814752412STakashi Iwai void snd_hdac_stream_stop(struct hdac_stream *azx_dev); 52914752412STakashi Iwai void snd_hdac_stream_reset(struct hdac_stream *azx_dev); 53014752412STakashi Iwai void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set, 53114752412STakashi Iwai unsigned int streams, unsigned int reg); 53214752412STakashi Iwai void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start, 53314752412STakashi Iwai unsigned int streams); 53414752412STakashi Iwai void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev, 53514752412STakashi Iwai unsigned int streams); 5365dd3d271SSameer Pujar int snd_hdac_get_stream_stripe_ctl(struct hdac_bus *bus, 5375dd3d271SSameer Pujar struct snd_pcm_substream *substream); 5385dd3d271SSameer Pujar 53914752412STakashi Iwai /* 54014752412STakashi Iwai * macros for easy use 54114752412STakashi Iwai */ 54214752412STakashi Iwai /* read/write a register, pass without AZX_REG_ prefix */ 54314752412STakashi Iwai #define snd_hdac_stream_writel(dev, reg, value) \ 54419abfefdSTakashi Iwai snd_hdac_reg_writel(value, (dev)->sd_addr + AZX_REG_ ## reg) 54514752412STakashi Iwai #define snd_hdac_stream_writew(dev, reg, value) \ 54619abfefdSTakashi Iwai snd_hdac_reg_writew(value, (dev)->sd_addr + AZX_REG_ ## reg) 54714752412STakashi Iwai #define snd_hdac_stream_writeb(dev, reg, value) \ 54819abfefdSTakashi Iwai snd_hdac_reg_writeb(value, (dev)->sd_addr + AZX_REG_ ## reg) 54914752412STakashi Iwai #define snd_hdac_stream_readl(dev, reg) \ 55019abfefdSTakashi Iwai snd_hdac_reg_readl((dev)->sd_addr + AZX_REG_ ## reg) 55114752412STakashi Iwai #define snd_hdac_stream_readw(dev, reg) \ 55219abfefdSTakashi Iwai snd_hdac_reg_readw((dev)->sd_addr + AZX_REG_ ## reg) 55314752412STakashi Iwai #define snd_hdac_stream_readb(dev, reg) \ 55419abfefdSTakashi Iwai snd_hdac_reg_readb((dev)->sd_addr + AZX_REG_ ## reg) 55514752412STakashi Iwai 55614752412STakashi Iwai /* update a register, pass without AZX_REG_ prefix */ 55714752412STakashi Iwai #define snd_hdac_stream_updatel(dev, reg, mask, val) \ 55814752412STakashi Iwai snd_hdac_stream_writel(dev, reg, \ 55914752412STakashi Iwai (snd_hdac_stream_readl(dev, reg) & \ 56014752412STakashi Iwai ~(mask)) | (val)) 56114752412STakashi Iwai #define snd_hdac_stream_updatew(dev, reg, mask, val) \ 56214752412STakashi Iwai snd_hdac_stream_writew(dev, reg, \ 56314752412STakashi Iwai (snd_hdac_stream_readw(dev, reg) & \ 56414752412STakashi Iwai ~(mask)) | (val)) 56514752412STakashi Iwai #define snd_hdac_stream_updateb(dev, reg, mask, val) \ 56614752412STakashi Iwai snd_hdac_stream_writeb(dev, reg, \ 56714752412STakashi Iwai (snd_hdac_stream_readb(dev, reg) & \ 56814752412STakashi Iwai ~(mask)) | (val)) 56914752412STakashi Iwai 5708f3f600bSTakashi Iwai #ifdef CONFIG_SND_HDA_DSP_LOADER 5718f3f600bSTakashi Iwai /* DSP lock helpers */ 5728f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex) 5738f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex) 5748f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex) 5758f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) ((dev)->locked) 5768f3f600bSTakashi Iwai /* DSP loader helpers */ 5778f3f600bSTakashi Iwai int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 5788f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp); 5798f3f600bSTakashi Iwai void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start); 5808f3f600bSTakashi Iwai void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 5818f3f600bSTakashi Iwai struct snd_dma_buffer *dmab); 5828f3f600bSTakashi Iwai #else /* CONFIG_SND_HDA_DSP_LOADER */ 5838f3f600bSTakashi Iwai #define snd_hdac_dsp_lock_init(dev) do {} while (0) 5848f3f600bSTakashi Iwai #define snd_hdac_dsp_lock(dev) do {} while (0) 5858f3f600bSTakashi Iwai #define snd_hdac_dsp_unlock(dev) do {} while (0) 5868f3f600bSTakashi Iwai #define snd_hdac_stream_is_locked(dev) 0 5878f3f600bSTakashi Iwai 5888f3f600bSTakashi Iwai static inline int 5898f3f600bSTakashi Iwai snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, 5908f3f600bSTakashi Iwai unsigned int byte_size, struct snd_dma_buffer *bufp) 5918f3f600bSTakashi Iwai { 5928f3f600bSTakashi Iwai return 0; 5938f3f600bSTakashi Iwai } 5948f3f600bSTakashi Iwai 5958f3f600bSTakashi Iwai static inline void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start) 5968f3f600bSTakashi Iwai { 5978f3f600bSTakashi Iwai } 5988f3f600bSTakashi Iwai 5998f3f600bSTakashi Iwai static inline void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, 6008f3f600bSTakashi Iwai struct snd_dma_buffer *dmab) 6018f3f600bSTakashi Iwai { 6028f3f600bSTakashi Iwai } 6038f3f600bSTakashi Iwai #endif /* CONFIG_SND_HDA_DSP_LOADER */ 6048f3f600bSTakashi Iwai 6058f3f600bSTakashi Iwai 60671fc4c7eSTakashi Iwai /* 60771fc4c7eSTakashi Iwai * generic array helpers 60871fc4c7eSTakashi Iwai */ 60971fc4c7eSTakashi Iwai void *snd_array_new(struct snd_array *array); 61071fc4c7eSTakashi Iwai void snd_array_free(struct snd_array *array); 61171fc4c7eSTakashi Iwai static inline void snd_array_init(struct snd_array *array, unsigned int size, 61271fc4c7eSTakashi Iwai unsigned int align) 61371fc4c7eSTakashi Iwai { 61471fc4c7eSTakashi Iwai array->elem_size = size; 61571fc4c7eSTakashi Iwai array->alloc_align = align; 61671fc4c7eSTakashi Iwai } 61771fc4c7eSTakashi Iwai 61871fc4c7eSTakashi Iwai static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) 61971fc4c7eSTakashi Iwai { 62071fc4c7eSTakashi Iwai return array->list + idx * array->elem_size; 62171fc4c7eSTakashi Iwai } 62271fc4c7eSTakashi Iwai 62371fc4c7eSTakashi Iwai static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) 62471fc4c7eSTakashi Iwai { 62571fc4c7eSTakashi Iwai return (unsigned long)(ptr - array->list) / array->elem_size; 62671fc4c7eSTakashi Iwai } 62771fc4c7eSTakashi Iwai 628a9c2dfc8STakashi Iwai /* a helper macro to iterate for each snd_array element */ 629a9c2dfc8STakashi Iwai #define snd_array_for_each(array, idx, ptr) \ 630a9c2dfc8STakashi Iwai for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \ 631a9c2dfc8STakashi Iwai (ptr) = snd_array_elem(array, ++(idx))) 632a9c2dfc8STakashi Iwai 633e3d280fcSTakashi Iwai #endif /* __SOUND_HDAUDIO_H */ 634