Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 2 | /* |
| 3 | * HD-audio core stuff |
| 4 | */ |
| 5 | |
| 6 | #ifndef __SOUND_HDAUDIO_H |
| 7 | #define __SOUND_HDAUDIO_H |
| 8 | |
| 9 | #include <linux/device.h> |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 10 | #include <linux/interrupt.h> |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 11 | #include <linux/io.h> |
Cezary Rojewski | c19bd02 | 2022-03-11 16:35:28 +0100 | [diff] [blame] | 12 | #include <linux/io-64-nonatomic-lo-hi.h> |
Amadeusz Sławiński | 3cab69d | 2022-08-18 16:15:14 +0200 | [diff] [blame] | 13 | #include <linux/iopoll.h> |
Takashi Iwai | feb20fae | 2018-06-27 09:03:51 +0200 | [diff] [blame] | 14 | #include <linux/pm_runtime.h> |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 15 | #include <linux/timecounter.h> |
| 16 | #include <sound/core.h> |
Takashi Iwai | a6ea5fe | 2018-07-25 23:19:36 +0200 | [diff] [blame] | 17 | #include <sound/pcm.h> |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 18 | #include <sound/memalloc.h> |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 19 | #include <sound/hda_verbs.h> |
Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 20 | #include <drm/i915_component.h> |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 21 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 22 | /* codec node id */ |
| 23 | typedef u16 hda_nid_t; |
| 24 | |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 25 | struct hdac_bus; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 26 | struct hdac_stream; |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 27 | struct hdac_device; |
| 28 | struct hdac_driver; |
Takashi Iwai | 3256be6 | 2015-02-24 14:59:42 +0100 | [diff] [blame] | 29 | struct hdac_widget_tree; |
Subhransu S. Prusty | da23ac1 | 2015-09-29 13:56:10 +0530 | [diff] [blame] | 30 | struct hda_device_id; |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 31 | |
| 32 | /* |
| 33 | * exported bus type |
| 34 | */ |
| 35 | extern struct bus_type snd_hda_bus_type; |
| 36 | |
| 37 | /* |
Takashi Iwai | 71fc4c7 | 2015-03-03 17:33:10 +0100 | [diff] [blame] | 38 | * generic arrays |
| 39 | */ |
| 40 | struct snd_array { |
| 41 | unsigned int used; |
| 42 | unsigned int alloced; |
| 43 | unsigned int elem_size; |
| 44 | unsigned int alloc_align; |
| 45 | void *list; |
| 46 | }; |
| 47 | |
| 48 | /* |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 49 | * HD-audio codec base device |
| 50 | */ |
| 51 | struct hdac_device { |
| 52 | struct device dev; |
| 53 | int type; |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 54 | struct hdac_bus *bus; |
| 55 | unsigned int addr; /* codec address */ |
| 56 | struct list_head list; /* list point for bus codec_list */ |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 57 | |
| 58 | hda_nid_t afg; /* AFG node id */ |
| 59 | hda_nid_t mfg; /* MFG node id */ |
| 60 | |
| 61 | /* ids */ |
| 62 | unsigned int vendor_id; |
| 63 | unsigned int subsystem_id; |
| 64 | unsigned int revision_id; |
| 65 | unsigned int afg_function_id; |
| 66 | unsigned int mfg_function_id; |
| 67 | unsigned int afg_unsol:1; |
| 68 | unsigned int mfg_unsol:1; |
| 69 | |
| 70 | unsigned int power_caps; /* FG power caps */ |
| 71 | |
| 72 | const char *vendor_name; /* codec vendor name */ |
| 73 | const char *chip_name; /* codec chip name */ |
| 74 | |
Takashi Iwai | 05852448 | 2015-03-03 15:40:08 +0100 | [diff] [blame] | 75 | /* verb exec op override */ |
| 76 | int (*exec_verb)(struct hdac_device *dev, unsigned int cmd, |
| 77 | unsigned int flags, unsigned int *res); |
| 78 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 79 | /* widgets */ |
| 80 | unsigned int num_nodes; |
| 81 | hda_nid_t start_nid, end_nid; |
| 82 | |
| 83 | /* misc flags */ |
| 84 | atomic_t in_pm; /* suspend/resume being performed */ |
Takashi Iwai | 3256be6 | 2015-02-24 14:59:42 +0100 | [diff] [blame] | 85 | |
| 86 | /* sysfs */ |
Amadeusz Sławiński | ed180ab | 2019-05-13 11:18:01 +0200 | [diff] [blame] | 87 | struct mutex widget_lock; |
Takashi Iwai | 3256be6 | 2015-02-24 14:59:42 +0100 | [diff] [blame] | 88 | struct hdac_widget_tree *widgets; |
Takashi Iwai | 4d75faa0 | 2015-02-25 14:42:38 +0100 | [diff] [blame] | 89 | |
| 90 | /* regmap */ |
| 91 | struct regmap *regmap; |
Takashi Iwai | 1a462be | 2020-01-09 10:01:04 +0100 | [diff] [blame] | 92 | struct mutex regmap_lock; |
Takashi Iwai | 5e56bce | 2015-02-26 12:29:03 +0100 | [diff] [blame] | 93 | struct snd_array vendor_verbs; |
Takashi Iwai | 4d75faa0 | 2015-02-25 14:42:38 +0100 | [diff] [blame] | 94 | bool lazy_cache:1; /* don't wake up for writes */ |
Takashi Iwai | faa75f8 | 2015-02-26 08:54:56 +0100 | [diff] [blame] | 95 | bool caps_overwriting:1; /* caps overwrite being in process */ |
Takashi Iwai | 40ba66a | 2015-03-13 15:56:25 +0100 | [diff] [blame] | 96 | bool cache_coef:1; /* cache COEF read/write too */ |
Cezary Rojewski | e7255c0 | 2022-07-06 14:02:26 +0200 | [diff] [blame] | 97 | unsigned int registered:1; /* codec was registered */ |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 98 | }; |
| 99 | |
| 100 | /* device/driver type used for matching */ |
| 101 | enum { |
| 102 | HDA_DEV_CORE, |
| 103 | HDA_DEV_LEGACY, |
Ramesh Babu | c1cc18b | 2015-04-17 17:58:57 +0530 | [diff] [blame] | 104 | HDA_DEV_ASOC, |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 105 | }; |
| 106 | |
Pierre-Louis Bossart | d82b51c | 2018-12-15 14:07:23 -0600 | [diff] [blame] | 107 | enum { |
| 108 | SND_SKL_PCI_BIND_AUTO, /* automatic selection based on pci class */ |
| 109 | SND_SKL_PCI_BIND_LEGACY,/* bind only with legacy driver */ |
| 110 | SND_SKL_PCI_BIND_ASOC /* bind only with ASoC driver */ |
| 111 | }; |
| 112 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 113 | /* direction */ |
| 114 | enum { |
| 115 | HDA_INPUT, HDA_OUTPUT |
| 116 | }; |
| 117 | |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 118 | #define dev_to_hdac_dev(_dev) container_of(_dev, struct hdac_device, dev) |
| 119 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 120 | int snd_hdac_device_init(struct hdac_device *dev, struct hdac_bus *bus, |
| 121 | const char *name, unsigned int addr); |
| 122 | void snd_hdac_device_exit(struct hdac_device *dev); |
Takashi Iwai | 3256be6 | 2015-02-24 14:59:42 +0100 | [diff] [blame] | 123 | int snd_hdac_device_register(struct hdac_device *codec); |
| 124 | void snd_hdac_device_unregister(struct hdac_device *codec); |
Takashi Iwai | ded255b | 2015-10-01 17:59:43 +0200 | [diff] [blame] | 125 | int snd_hdac_device_set_chip_name(struct hdac_device *codec, const char *name); |
Greg Kroah-Hartman | 2a81ada | 2023-01-11 12:30:17 +0100 | [diff] [blame] | 126 | int snd_hdac_codec_modalias(const struct hdac_device *hdac, char *buf, size_t size); |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 127 | |
Takashi Iwai | 774a075 | 2019-07-03 14:35:12 +0200 | [diff] [blame] | 128 | int snd_hdac_refresh_widgets(struct hdac_device *codec); |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 129 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 130 | int snd_hdac_read(struct hdac_device *codec, hda_nid_t nid, |
| 131 | unsigned int verb, unsigned int parm, unsigned int *res); |
Takashi Iwai | 01ed3c0 | 2015-02-26 13:57:47 +0100 | [diff] [blame] | 132 | int _snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, int parm, |
| 133 | unsigned int *res); |
Takashi Iwai | 9ba17b4 | 2015-03-03 23:29:47 +0100 | [diff] [blame] | 134 | int snd_hdac_read_parm_uncached(struct hdac_device *codec, hda_nid_t nid, |
| 135 | int parm); |
Takashi Iwai | faa75f8 | 2015-02-26 08:54:56 +0100 | [diff] [blame] | 136 | int snd_hdac_override_parm(struct hdac_device *codec, hda_nid_t nid, |
| 137 | unsigned int parm, unsigned int val); |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 138 | int snd_hdac_get_connections(struct hdac_device *codec, hda_nid_t nid, |
| 139 | hda_nid_t *conn_list, int max_conns); |
| 140 | int snd_hdac_get_sub_nodes(struct hdac_device *codec, hda_nid_t nid, |
| 141 | hda_nid_t *start_id); |
Takashi Iwai | b7d023e | 2015-04-16 08:19:06 +0200 | [diff] [blame] | 142 | unsigned int snd_hdac_calc_stream_format(unsigned int rate, |
| 143 | unsigned int channels, |
Takashi Iwai | a6ea5fe | 2018-07-25 23:19:36 +0200 | [diff] [blame] | 144 | snd_pcm_format_t format, |
Takashi Iwai | b7d023e | 2015-04-16 08:19:06 +0200 | [diff] [blame] | 145 | unsigned int maxbps, |
| 146 | unsigned short spdif_ctls); |
| 147 | int snd_hdac_query_supported_pcm(struct hdac_device *codec, hda_nid_t nid, |
| 148 | u32 *ratesp, u64 *formatsp, unsigned int *bpsp); |
| 149 | bool snd_hdac_is_supported_format(struct hdac_device *codec, hda_nid_t nid, |
| 150 | unsigned int format); |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 151 | |
Subhransu S. Prusty | 1b5e616 | 2015-10-08 09:48:05 +0100 | [diff] [blame] | 152 | int snd_hdac_codec_read(struct hdac_device *hdac, hda_nid_t nid, |
| 153 | int flags, unsigned int verb, unsigned int parm); |
| 154 | int snd_hdac_codec_write(struct hdac_device *hdac, hda_nid_t nid, |
| 155 | int flags, unsigned int verb, unsigned int parm); |
| 156 | bool snd_hdac_check_power_state(struct hdac_device *hdac, |
| 157 | hda_nid_t nid, unsigned int target_state); |
Abhijeet Kumar | 0978749 | 2018-01-23 23:00:51 +0530 | [diff] [blame] | 158 | unsigned int snd_hdac_sync_power_state(struct hdac_device *hdac, |
| 159 | hda_nid_t nid, unsigned int target_state); |
Takashi Iwai | 01ed3c0 | 2015-02-26 13:57:47 +0100 | [diff] [blame] | 160 | /** |
| 161 | * snd_hdac_read_parm - read a codec parameter |
| 162 | * @codec: the codec object |
| 163 | * @nid: NID to read a parameter |
| 164 | * @parm: parameter to read |
| 165 | * |
| 166 | * Returns -1 for error. If you need to distinguish the error more |
| 167 | * strictly, use _snd_hdac_read_parm() directly. |
| 168 | */ |
| 169 | static inline int snd_hdac_read_parm(struct hdac_device *codec, hda_nid_t nid, |
| 170 | int parm) |
| 171 | { |
| 172 | unsigned int val; |
| 173 | |
| 174 | return _snd_hdac_read_parm(codec, nid, parm, &val) < 0 ? -1 : val; |
| 175 | } |
| 176 | |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 177 | #ifdef CONFIG_PM |
Takashi Iwai | fbce23a0 | 2015-07-17 16:27:33 +0200 | [diff] [blame] | 178 | int snd_hdac_power_up(struct hdac_device *codec); |
| 179 | int snd_hdac_power_down(struct hdac_device *codec); |
| 180 | int snd_hdac_power_up_pm(struct hdac_device *codec); |
| 181 | int snd_hdac_power_down_pm(struct hdac_device *codec); |
Takashi Iwai | fc4f000 | 2016-03-04 11:34:18 +0100 | [diff] [blame] | 182 | int snd_hdac_keep_power_up(struct hdac_device *codec); |
Takashi Iwai | feb20fae | 2018-06-27 09:03:51 +0200 | [diff] [blame] | 183 | |
| 184 | /* call this at entering into suspend/resume callbacks in codec driver */ |
| 185 | static inline void snd_hdac_enter_pm(struct hdac_device *codec) |
| 186 | { |
| 187 | atomic_inc(&codec->in_pm); |
| 188 | } |
| 189 | |
| 190 | /* call this at leaving from suspend/resume callbacks in codec driver */ |
| 191 | static inline void snd_hdac_leave_pm(struct hdac_device *codec) |
| 192 | { |
| 193 | atomic_dec(&codec->in_pm); |
| 194 | } |
| 195 | |
| 196 | static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) |
| 197 | { |
| 198 | return atomic_read(&codec->in_pm); |
| 199 | } |
| 200 | |
| 201 | static inline bool snd_hdac_is_power_on(struct hdac_device *codec) |
| 202 | { |
| 203 | return !pm_runtime_suspended(&codec->dev); |
| 204 | } |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 205 | #else |
Takashi Iwai | fbce23a0 | 2015-07-17 16:27:33 +0200 | [diff] [blame] | 206 | static inline int snd_hdac_power_up(struct hdac_device *codec) { return 0; } |
| 207 | static inline int snd_hdac_power_down(struct hdac_device *codec) { return 0; } |
| 208 | static inline int snd_hdac_power_up_pm(struct hdac_device *codec) { return 0; } |
| 209 | static inline int snd_hdac_power_down_pm(struct hdac_device *codec) { return 0; } |
Takashi Iwai | fc4f000 | 2016-03-04 11:34:18 +0100 | [diff] [blame] | 210 | static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; } |
Takashi Iwai | feb20fae | 2018-06-27 09:03:51 +0200 | [diff] [blame] | 211 | static inline void snd_hdac_enter_pm(struct hdac_device *codec) {} |
| 212 | static inline void snd_hdac_leave_pm(struct hdac_device *codec) {} |
Jason Yan | 79263c3 | 2020-05-06 14:17:16 +0800 | [diff] [blame] | 213 | static inline bool snd_hdac_is_in_pm(struct hdac_device *codec) { return false; } |
| 214 | static inline bool snd_hdac_is_power_on(struct hdac_device *codec) { return true; } |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 215 | #endif |
| 216 | |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 217 | /* |
| 218 | * HD-audio codec base driver |
| 219 | */ |
| 220 | struct hdac_driver { |
| 221 | struct device_driver driver; |
| 222 | int type; |
Vinod Koul | ec71efc | 2015-06-03 12:24:31 +0530 | [diff] [blame] | 223 | const struct hda_device_id *id_table; |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 224 | int (*match)(struct hdac_device *dev, struct hdac_driver *drv); |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 225 | void (*unsol_event)(struct hdac_device *dev, unsigned int event); |
Rakesh Ughreja | e1df931 | 2018-06-01 22:53:51 -0500 | [diff] [blame] | 226 | |
| 227 | /* fields used by ext bus APIs */ |
| 228 | int (*probe)(struct hdac_device *dev); |
| 229 | int (*remove)(struct hdac_device *dev); |
| 230 | void (*shutdown)(struct hdac_device *dev); |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 231 | }; |
| 232 | |
| 233 | #define drv_to_hdac_driver(_drv) container_of(_drv, struct hdac_driver, driver) |
| 234 | |
Vinod Koul | ec71efc | 2015-06-03 12:24:31 +0530 | [diff] [blame] | 235 | const struct hda_device_id * |
| 236 | hdac_get_device_id(struct hdac_device *hdev, struct hdac_driver *drv); |
| 237 | |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 238 | /* |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 239 | * Bus verb operators |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 240 | */ |
| 241 | struct hdac_bus_ops { |
| 242 | /* send a single command */ |
| 243 | int (*command)(struct hdac_bus *bus, unsigned int cmd); |
| 244 | /* get a response from the last command */ |
| 245 | int (*get_response)(struct hdac_bus *bus, unsigned int addr, |
| 246 | unsigned int *res); |
Kai Vehmanen | f9e5fd1 | 2021-02-05 20:46:28 +0200 | [diff] [blame] | 247 | /* notify of codec link power-up/down */ |
| 248 | void (*link_power)(struct hdac_device *hdev, bool enable); |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 249 | }; |
| 250 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 251 | /* |
Rakesh Ughreja | cb04ba3 | 2018-06-01 22:53:58 -0500 | [diff] [blame] | 252 | * ops used for ASoC HDA codec drivers |
| 253 | */ |
| 254 | struct hdac_ext_bus_ops { |
| 255 | int (*hdev_attach)(struct hdac_device *hdev); |
| 256 | int (*hdev_detach)(struct hdac_device *hdev); |
| 257 | }; |
| 258 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 259 | #define HDA_UNSOL_QUEUE_SIZE 64 |
| 260 | #define HDA_MAX_CODECS 8 /* limit by controller side */ |
| 261 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 262 | /* |
| 263 | * CORB/RIRB |
| 264 | * |
| 265 | * Each CORB entry is 4byte, RIRB is 8byte |
| 266 | */ |
| 267 | struct hdac_rb { |
| 268 | __le32 *buf; /* virtual address of CORB/RIRB buffer */ |
| 269 | dma_addr_t addr; /* physical address of CORB/RIRB buffer */ |
| 270 | unsigned short rp, wp; /* RIRB read/write pointers */ |
| 271 | int cmds[HDA_MAX_CODECS]; /* number of pending requests */ |
| 272 | u32 res[HDA_MAX_CODECS]; /* last read value */ |
| 273 | }; |
| 274 | |
| 275 | /* |
| 276 | * HD-audio bus base driver |
Vinod Koul | 6720b38 | 2016-08-04 15:46:00 +0530 | [diff] [blame] | 277 | * |
| 278 | * @ppcap: pp capabilities pointer |
| 279 | * @spbcap: SPIB capabilities pointer |
| 280 | * @mlcap: MultiLink capabilities pointer |
| 281 | * @gtscap: gts capabilities pointer |
| 282 | * @drsmcap: dma resume capabilities pointer |
Rakesh Ughreja | 76f56fa | 2018-06-01 22:53:50 -0500 | [diff] [blame] | 283 | * @num_streams: streams supported |
| 284 | * @idx: HDA link index |
| 285 | * @hlink_list: link list of HDA links |
Takashi Iwai | e61ab9f | 2019-04-10 16:00:54 +0200 | [diff] [blame] | 286 | * @lock: lock for link and display power mgmt |
Rakesh Ughreja | 76f56fa | 2018-06-01 22:53:50 -0500 | [diff] [blame] | 287 | * @cmd_dma_state: state of cmd DMAs: CORB and RIRB |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 288 | */ |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 289 | struct hdac_bus { |
| 290 | struct device *dev; |
| 291 | const struct hdac_bus_ops *ops; |
Rakesh Ughreja | cb04ba3 | 2018-06-01 22:53:58 -0500 | [diff] [blame] | 292 | const struct hdac_ext_bus_ops *ext_ops; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 293 | |
| 294 | /* h/w resources */ |
| 295 | unsigned long addr; |
| 296 | void __iomem *remap_addr; |
| 297 | int irq; |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 298 | |
Vinod Koul | 6720b38 | 2016-08-04 15:46:00 +0530 | [diff] [blame] | 299 | void __iomem *ppcap; |
| 300 | void __iomem *spbcap; |
| 301 | void __iomem *mlcap; |
| 302 | void __iomem *gtscap; |
| 303 | void __iomem *drsmcap; |
| 304 | |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 305 | /* codec linked list */ |
| 306 | struct list_head codec_list; |
| 307 | unsigned int num_codecs; |
| 308 | |
| 309 | /* link caddr -> codec */ |
| 310 | struct hdac_device *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; |
| 311 | |
| 312 | /* unsolicited event queue */ |
| 313 | u32 unsol_queue[HDA_UNSOL_QUEUE_SIZE * 2]; /* ring buffer */ |
| 314 | unsigned int unsol_rp, unsol_wp; |
| 315 | struct work_struct unsol_work; |
| 316 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 317 | /* bit flags of detected codecs */ |
| 318 | unsigned long codec_mask; |
| 319 | |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 320 | /* bit flags of powered codecs */ |
| 321 | unsigned long codec_powered; |
| 322 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 323 | /* CORB/RIRB */ |
| 324 | struct hdac_rb corb; |
| 325 | struct hdac_rb rirb; |
| 326 | unsigned int last_cmd[HDA_MAX_CODECS]; /* last sent command */ |
Takashi Iwai | 88452da | 2019-12-10 15:57:27 +0100 | [diff] [blame] | 327 | wait_queue_head_t rirb_wq; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 328 | |
| 329 | /* CORB/RIRB and position buffers */ |
| 330 | struct snd_dma_buffer rb; |
| 331 | struct snd_dma_buffer posbuf; |
Takashi Iwai | 619a1f1 | 2019-08-07 20:02:31 +0200 | [diff] [blame] | 332 | int dma_type; /* SNDRV_DMA_TYPE_XXX for CORB/RIRB */ |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 333 | |
| 334 | /* hdac_stream linked list */ |
| 335 | struct list_head stream_list; |
| 336 | |
| 337 | /* operation state */ |
| 338 | bool chip_init:1; /* h/w initialized */ |
| 339 | |
| 340 | /* behavior flags */ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 341 | bool aligned_mmio:1; /* aligned MMIO access */ |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 342 | bool sync_write:1; /* sync after verb write */ |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 343 | bool use_posbuf:1; /* use position buffer */ |
| 344 | bool snoop:1; /* enable snooping */ |
| 345 | bool align_bdle_4k:1; /* BDLE align 4K boundary */ |
| 346 | bool reverse_assign:1; /* assign devices in reverse order */ |
| 347 | bool corbrp_self_clear:1; /* CORBRP clears itself after reset */ |
Bard Liao | 8af4213 | 2019-05-27 00:58:34 +0800 | [diff] [blame] | 348 | bool polling_mode:1; |
Takashi Iwai | 5f2cb36 | 2019-12-12 20:11:01 +0100 | [diff] [blame] | 349 | bool needs_damn_long_delay:1; |
Bard Liao | 8af4213 | 2019-05-27 00:58:34 +0800 | [diff] [blame] | 350 | |
| 351 | int poll_count; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 352 | |
| 353 | int bdl_pos_adj; /* BDL position adjustment */ |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 354 | |
Mohan Kumar | 4106820 | 2020-08-05 15:22:20 +0530 | [diff] [blame] | 355 | /* delay time in us for dma stop */ |
| 356 | unsigned int dma_stop_delay; |
| 357 | |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 358 | /* locks */ |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 359 | spinlock_t reg_lock; |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 360 | struct mutex cmd_mutex; |
Takashi Iwai | e61ab9f | 2019-04-10 16:00:54 +0200 | [diff] [blame] | 361 | struct mutex lock; |
Mengdong Lin | 98d8fc6 | 2015-05-19 22:29:30 +0800 | [diff] [blame] | 362 | |
Takashi Iwai | ae891ab | 2018-07-11 15:17:22 +0200 | [diff] [blame] | 363 | /* DRM component interface */ |
| 364 | struct drm_audio_component *audio_component; |
Takashi Iwai | 029d92c | 2018-12-08 17:31:49 +0100 | [diff] [blame] | 365 | long display_power_status; |
Chris Wilson | d31c85f | 2019-02-13 15:21:09 +0000 | [diff] [blame] | 366 | unsigned long display_power_active; |
Rakesh Ughreja | 76f56fa | 2018-06-01 22:53:50 -0500 | [diff] [blame] | 367 | |
| 368 | /* parameters required for enhanced capabilities */ |
| 369 | int num_streams; |
| 370 | int idx; |
| 371 | |
Takashi Iwai | e61ab9f | 2019-04-10 16:00:54 +0200 | [diff] [blame] | 372 | /* link management */ |
Rakesh Ughreja | 76f56fa | 2018-06-01 22:53:50 -0500 | [diff] [blame] | 373 | struct list_head hlink_list; |
Rakesh Ughreja | 76f56fa | 2018-06-01 22:53:50 -0500 | [diff] [blame] | 374 | bool cmd_dma_state; |
Sameer Pujar | 67ae482 | 2020-05-04 13:46:15 +0530 | [diff] [blame] | 375 | |
| 376 | /* factor used to derive STRIPE control value */ |
| 377 | unsigned int sdo_limit; |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 378 | }; |
| 379 | |
| 380 | int snd_hdac_bus_init(struct hdac_bus *bus, struct device *dev, |
Takashi Iwai | 19abfef | 2019-08-07 20:32:08 +0200 | [diff] [blame] | 381 | const struct hdac_bus_ops *ops); |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 382 | void snd_hdac_bus_exit(struct hdac_bus *bus); |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 383 | int snd_hdac_bus_exec_verb_unlocked(struct hdac_bus *bus, unsigned int addr, |
| 384 | unsigned int cmd, unsigned int *res); |
Takashi Iwai | d068ebc | 2015-03-02 23:22:59 +0100 | [diff] [blame] | 385 | |
Kai Vehmanen | f9e5fd1 | 2021-02-05 20:46:28 +0200 | [diff] [blame] | 386 | void snd_hdac_codec_link_up(struct hdac_device *codec); |
| 387 | void snd_hdac_codec_link_down(struct hdac_device *codec); |
Takashi Iwai | 7639a06 | 2015-03-03 10:07:24 +0100 | [diff] [blame] | 388 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 389 | int snd_hdac_bus_send_cmd(struct hdac_bus *bus, unsigned int val); |
| 390 | int snd_hdac_bus_get_response(struct hdac_bus *bus, unsigned int addr, |
| 391 | unsigned int *res); |
Vinod Koul | 6720b38 | 2016-08-04 15:46:00 +0530 | [diff] [blame] | 392 | int snd_hdac_bus_parse_capabilities(struct hdac_bus *bus); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 393 | |
| 394 | bool snd_hdac_bus_init_chip(struct hdac_bus *bus, bool full_reset); |
| 395 | void snd_hdac_bus_stop_chip(struct hdac_bus *bus); |
| 396 | void snd_hdac_bus_init_cmd_io(struct hdac_bus *bus); |
| 397 | void snd_hdac_bus_stop_cmd_io(struct hdac_bus *bus); |
| 398 | void snd_hdac_bus_enter_link_reset(struct hdac_bus *bus); |
| 399 | void snd_hdac_bus_exit_link_reset(struct hdac_bus *bus); |
Yu Zhao | 75383f8 | 2018-09-11 15:15:16 -0600 | [diff] [blame] | 400 | int snd_hdac_bus_reset_link(struct hdac_bus *bus, bool full_reset); |
Kai Vehmanen | f9e5fd1 | 2021-02-05 20:46:28 +0200 | [diff] [blame] | 401 | void snd_hdac_bus_link_power(struct hdac_device *hdev, bool enable); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 402 | |
| 403 | void snd_hdac_bus_update_rirb(struct hdac_bus *bus); |
Takashi Iwai | 473f414 | 2016-02-23 15:54:47 +0100 | [diff] [blame] | 404 | int snd_hdac_bus_handle_stream_irq(struct hdac_bus *bus, unsigned int status, |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 405 | void (*ack)(struct hdac_bus *, |
| 406 | struct hdac_stream *)); |
| 407 | |
Jeeja KP | 304dad3 | 2015-04-12 18:06:13 +0530 | [diff] [blame] | 408 | int snd_hdac_bus_alloc_stream_pages(struct hdac_bus *bus); |
| 409 | void snd_hdac_bus_free_stream_pages(struct hdac_bus *bus); |
| 410 | |
Takashi Iwai | 19abfef | 2019-08-07 20:32:08 +0200 | [diff] [blame] | 411 | #ifdef CONFIG_SND_HDA_ALIGNED_MMIO |
| 412 | unsigned int snd_hdac_aligned_read(void __iomem *addr, unsigned int mask); |
| 413 | void snd_hdac_aligned_write(unsigned int val, void __iomem *addr, |
| 414 | unsigned int mask); |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 415 | #define snd_hdac_aligned_mmio(bus) (bus)->aligned_mmio |
| 416 | #else |
| 417 | #define snd_hdac_aligned_mmio(bus) false |
| 418 | #define snd_hdac_aligned_read(addr, mask) 0 |
| 419 | #define snd_hdac_aligned_write(val, addr, mask) do {} while (0) |
| 420 | #endif |
| 421 | |
| 422 | static inline void snd_hdac_reg_writeb(struct hdac_bus *bus, void __iomem *addr, |
| 423 | u8 val) |
| 424 | { |
| 425 | if (snd_hdac_aligned_mmio(bus)) |
| 426 | snd_hdac_aligned_write(val, addr, 0xff); |
| 427 | else |
| 428 | writeb(val, addr); |
| 429 | } |
| 430 | |
| 431 | static inline void snd_hdac_reg_writew(struct hdac_bus *bus, void __iomem *addr, |
| 432 | u16 val) |
| 433 | { |
| 434 | if (snd_hdac_aligned_mmio(bus)) |
| 435 | snd_hdac_aligned_write(val, addr, 0xffff); |
| 436 | else |
| 437 | writew(val, addr); |
| 438 | } |
| 439 | |
| 440 | static inline u8 snd_hdac_reg_readb(struct hdac_bus *bus, void __iomem *addr) |
| 441 | { |
| 442 | return snd_hdac_aligned_mmio(bus) ? |
| 443 | snd_hdac_aligned_read(addr, 0xff) : readb(addr); |
| 444 | } |
| 445 | |
| 446 | static inline u16 snd_hdac_reg_readw(struct hdac_bus *bus, void __iomem *addr) |
| 447 | { |
| 448 | return snd_hdac_aligned_mmio(bus) ? |
| 449 | snd_hdac_aligned_read(addr, 0xffff) : readw(addr); |
| 450 | } |
| 451 | |
| 452 | #define snd_hdac_reg_writel(bus, addr, val) writel(val, addr) |
| 453 | #define snd_hdac_reg_readl(bus, addr) readl(addr) |
Cezary Rojewski | c19bd02 | 2022-03-11 16:35:28 +0100 | [diff] [blame] | 454 | #define snd_hdac_reg_writeq(bus, addr, val) writeq(val, addr) |
| 455 | #define snd_hdac_reg_readq(bus, addr) readq(addr) |
Takashi Iwai | 19abfef | 2019-08-07 20:32:08 +0200 | [diff] [blame] | 456 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 457 | /* |
| 458 | * macros for easy use |
| 459 | */ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 460 | #define _snd_hdac_chip_writeb(chip, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 461 | snd_hdac_reg_writeb(chip, (chip)->remap_addr + (reg), value) |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 462 | #define _snd_hdac_chip_readb(chip, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 463 | snd_hdac_reg_readb(chip, (chip)->remap_addr + (reg)) |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 464 | #define _snd_hdac_chip_writew(chip, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 465 | snd_hdac_reg_writew(chip, (chip)->remap_addr + (reg), value) |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 466 | #define _snd_hdac_chip_readw(chip, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 467 | snd_hdac_reg_readw(chip, (chip)->remap_addr + (reg)) |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 468 | #define _snd_hdac_chip_writel(chip, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 469 | snd_hdac_reg_writel(chip, (chip)->remap_addr + (reg), value) |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 470 | #define _snd_hdac_chip_readl(chip, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 471 | snd_hdac_reg_readl(chip, (chip)->remap_addr + (reg)) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 472 | |
| 473 | /* read/write a register, pass without AZX_REG_ prefix */ |
| 474 | #define snd_hdac_chip_writel(chip, reg, value) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 475 | _snd_hdac_chip_writel(chip, AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 476 | #define snd_hdac_chip_writew(chip, reg, value) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 477 | _snd_hdac_chip_writew(chip, AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 478 | #define snd_hdac_chip_writeb(chip, reg, value) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 479 | _snd_hdac_chip_writeb(chip, AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 480 | #define snd_hdac_chip_readl(chip, reg) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 481 | _snd_hdac_chip_readl(chip, AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 482 | #define snd_hdac_chip_readw(chip, reg) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 483 | _snd_hdac_chip_readw(chip, AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 484 | #define snd_hdac_chip_readb(chip, reg) \ |
Takashi Iwai | 2c1f813 | 2017-03-29 08:27:15 +0200 | [diff] [blame] | 485 | _snd_hdac_chip_readb(chip, AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 486 | |
| 487 | /* update a register, pass without AZX_REG_ prefix */ |
| 488 | #define snd_hdac_chip_updatel(chip, reg, mask, val) \ |
| 489 | snd_hdac_chip_writel(chip, reg, \ |
| 490 | (snd_hdac_chip_readl(chip, reg) & ~(mask)) | (val)) |
| 491 | #define snd_hdac_chip_updatew(chip, reg, mask, val) \ |
| 492 | snd_hdac_chip_writew(chip, reg, \ |
| 493 | (snd_hdac_chip_readw(chip, reg) & ~(mask)) | (val)) |
| 494 | #define snd_hdac_chip_updateb(chip, reg, mask, val) \ |
| 495 | snd_hdac_chip_writeb(chip, reg, \ |
| 496 | (snd_hdac_chip_readb(chip, reg) & ~(mask)) | (val)) |
| 497 | |
Pierre-Louis Bossart | 6258234 | 2022-10-19 11:21:15 -0500 | [diff] [blame] | 498 | /* update register macro */ |
| 499 | #define snd_hdac_updatel(addr, reg, mask, val) \ |
| 500 | writel(((readl(addr + reg) & ~(mask)) | (val)), addr + reg) |
| 501 | |
| 502 | #define snd_hdac_updatew(addr, reg, mask, val) \ |
| 503 | writew(((readw(addr + reg) & ~(mask)) | (val)), addr + reg) |
| 504 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 505 | /* |
| 506 | * HD-audio stream |
| 507 | */ |
| 508 | struct hdac_stream { |
| 509 | struct hdac_bus *bus; |
| 510 | struct snd_dma_buffer bdl; /* BDL buffer */ |
| 511 | __le32 *posbuf; /* position buffer pointer */ |
| 512 | int direction; /* playback / capture (SNDRV_PCM_STREAM_*) */ |
| 513 | |
| 514 | unsigned int bufsize; /* size of the play buffer in bytes */ |
| 515 | unsigned int period_bytes; /* size of the period in bytes */ |
| 516 | unsigned int frags; /* number for period in the play buffer */ |
| 517 | unsigned int fifo_size; /* FIFO size */ |
| 518 | |
| 519 | void __iomem *sd_addr; /* stream descriptor pointer */ |
| 520 | |
Pierre-Louis Bossart | 6258234 | 2022-10-19 11:21:15 -0500 | [diff] [blame] | 521 | void __iomem *spib_addr; /* software position in buffers stream pointer */ |
| 522 | void __iomem *fifo_addr; /* software position Max fifos stream pointer */ |
| 523 | |
| 524 | void __iomem *dpibr_addr; /* DMA position in buffer resume pointer */ |
| 525 | u32 dpib; /* DMA position in buffer */ |
| 526 | u32 lpib; /* Linear position in buffer */ |
| 527 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 528 | u32 sd_int_sta_mask; /* stream int status mask */ |
| 529 | |
| 530 | /* pcm support */ |
| 531 | struct snd_pcm_substream *substream; /* assigned substream, |
| 532 | * set in PCM open |
| 533 | */ |
Cezary Rojewski | 4a9ce6e | 2020-02-18 15:39:18 +0100 | [diff] [blame] | 534 | struct snd_compr_stream *cstream; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 535 | unsigned int format_val; /* format value to be set in the |
| 536 | * controller and the codec |
| 537 | */ |
| 538 | unsigned char stream_tag; /* assigned stream */ |
| 539 | unsigned char index; /* stream index */ |
| 540 | int assigned_key; /* last device# key assigned to */ |
| 541 | |
| 542 | bool opened:1; |
| 543 | bool running:1; |
Takashi Iwai | 6d23c8f | 2015-04-17 13:34:30 +0200 | [diff] [blame] | 544 | bool prepared:1; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 545 | bool no_period_wakeup:1; |
Takashi Iwai | 8f3f600 | 2015-04-14 12:53:28 +0200 | [diff] [blame] | 546 | bool locked:1; |
Takashi Iwai | e38e486 | 2019-12-02 08:49:47 +0100 | [diff] [blame] | 547 | bool stripe:1; /* apply stripe control */ |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 548 | |
Cezary Rojewski | 4a9ce6e | 2020-02-18 15:39:18 +0100 | [diff] [blame] | 549 | u64 curr_pos; |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 550 | /* timestamp */ |
| 551 | unsigned long start_wallclk; /* start + minimum wallclk */ |
| 552 | unsigned long period_wallclk; /* wallclk for period */ |
| 553 | struct timecounter tc; |
| 554 | struct cyclecounter cc; |
| 555 | int delay_negative_threshold; |
| 556 | |
| 557 | struct list_head list; |
Takashi Iwai | 8f3f600 | 2015-04-14 12:53:28 +0200 | [diff] [blame] | 558 | #ifdef CONFIG_SND_HDA_DSP_LOADER |
| 559 | /* DSP access mutex */ |
| 560 | struct mutex dsp_mutex; |
| 561 | #endif |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 562 | }; |
| 563 | |
| 564 | void snd_hdac_stream_init(struct hdac_bus *bus, struct hdac_stream *azx_dev, |
| 565 | int idx, int direction, int tag); |
| 566 | struct hdac_stream *snd_hdac_stream_assign(struct hdac_bus *bus, |
| 567 | struct snd_pcm_substream *substream); |
Pierre-Louis Bossart | ac3467a | 2022-09-19 14:10:40 +0200 | [diff] [blame] | 568 | void snd_hdac_stream_release_locked(struct hdac_stream *azx_dev); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 569 | void snd_hdac_stream_release(struct hdac_stream *azx_dev); |
Jeeja KP | 4308c9b | 2015-08-23 11:52:51 +0530 | [diff] [blame] | 570 | struct hdac_stream *snd_hdac_get_stream(struct hdac_bus *bus, |
| 571 | int dir, int stream_tag); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 572 | |
| 573 | int snd_hdac_stream_setup(struct hdac_stream *azx_dev); |
| 574 | void snd_hdac_stream_cleanup(struct hdac_stream *azx_dev); |
| 575 | int snd_hdac_stream_setup_periods(struct hdac_stream *azx_dev); |
Jeeja KP | 86f6501 | 2015-04-17 17:58:58 +0530 | [diff] [blame] | 576 | int snd_hdac_stream_set_params(struct hdac_stream *azx_dev, |
| 577 | unsigned int format_val); |
Zhang Yiqun | 4fe20d6 | 2023-02-09 20:17:23 +0800 | [diff] [blame] | 578 | void snd_hdac_stream_start(struct hdac_stream *azx_dev); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 579 | void snd_hdac_stream_stop(struct hdac_stream *azx_dev); |
Pierre-Louis Bossart | 24ad383 | 2022-09-19 14:10:38 +0200 | [diff] [blame] | 580 | void snd_hdac_stop_streams(struct hdac_bus *bus); |
Pierre-Louis Bossart | 12054f0 | 2021-12-16 17:11:27 -0600 | [diff] [blame] | 581 | void snd_hdac_stop_streams_and_chip(struct hdac_bus *bus); |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 582 | void snd_hdac_stream_reset(struct hdac_stream *azx_dev); |
| 583 | void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set, |
| 584 | unsigned int streams, unsigned int reg); |
| 585 | void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start, |
| 586 | unsigned int streams); |
| 587 | void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev, |
| 588 | unsigned int streams); |
Sameer Pujar | 5dd3d27 | 2019-01-14 23:51:09 +0530 | [diff] [blame] | 589 | int snd_hdac_get_stream_stripe_ctl(struct hdac_bus *bus, |
| 590 | struct snd_pcm_substream *substream); |
| 591 | |
Pierre-Louis Bossart | 6258234 | 2022-10-19 11:21:15 -0500 | [diff] [blame] | 592 | void snd_hdac_stream_spbcap_enable(struct hdac_bus *chip, |
| 593 | bool enable, int index); |
| 594 | int snd_hdac_stream_set_spib(struct hdac_bus *bus, |
| 595 | struct hdac_stream *azx_dev, u32 value); |
| 596 | int snd_hdac_stream_get_spbmaxfifo(struct hdac_bus *bus, |
| 597 | struct hdac_stream *azx_dev); |
| 598 | void snd_hdac_stream_drsm_enable(struct hdac_bus *bus, |
| 599 | bool enable, int index); |
Cezary Rojewski | efffb01 | 2022-10-27 14:46:56 +0200 | [diff] [blame] | 600 | int snd_hdac_stream_wait_drsm(struct hdac_stream *azx_dev); |
Pierre-Louis Bossart | 6258234 | 2022-10-19 11:21:15 -0500 | [diff] [blame] | 601 | int snd_hdac_stream_set_dpibr(struct hdac_bus *bus, |
| 602 | struct hdac_stream *azx_dev, u32 value); |
| 603 | int snd_hdac_stream_set_lpib(struct hdac_stream *azx_dev, u32 value); |
| 604 | |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 605 | /* |
| 606 | * macros for easy use |
| 607 | */ |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 608 | /* read/write a register, pass without AZX_REG_ prefix */ |
| 609 | #define snd_hdac_stream_writel(dev, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 610 | snd_hdac_reg_writel((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 611 | #define snd_hdac_stream_writew(dev, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 612 | snd_hdac_reg_writew((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 613 | #define snd_hdac_stream_writeb(dev, reg, value) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 614 | snd_hdac_reg_writeb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg, value) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 615 | #define snd_hdac_stream_readl(dev, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 616 | snd_hdac_reg_readl((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 617 | #define snd_hdac_stream_readw(dev, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 618 | snd_hdac_reg_readw((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 619 | #define snd_hdac_stream_readb(dev, reg) \ |
Takashi Iwai | 4d024fe | 2020-01-20 11:41:27 +0100 | [diff] [blame] | 620 | snd_hdac_reg_readb((dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
Amadeusz Sławiński | 3cab69d | 2022-08-18 16:15:14 +0200 | [diff] [blame] | 621 | #define snd_hdac_stream_readb_poll(dev, reg, val, cond, delay_us, timeout_us) \ |
Amadeusz Sławiński | 556a11a | 2022-10-07 10:48:56 +0200 | [diff] [blame] | 622 | read_poll_timeout_atomic(snd_hdac_reg_readb, val, cond, delay_us, timeout_us, \ |
| 623 | false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
Amadeusz Sławiński | 3cab69d | 2022-08-18 16:15:14 +0200 | [diff] [blame] | 624 | #define snd_hdac_stream_readl_poll(dev, reg, val, cond, delay_us, timeout_us) \ |
Amadeusz Sławiński | 556a11a | 2022-10-07 10:48:56 +0200 | [diff] [blame] | 625 | read_poll_timeout_atomic(snd_hdac_reg_readl, val, cond, delay_us, timeout_us, \ |
| 626 | false, (dev)->bus, (dev)->sd_addr + AZX_REG_ ## reg) |
Takashi Iwai | 1475241 | 2015-04-14 12:15:47 +0200 | [diff] [blame] | 627 | |
| 628 | /* update a register, pass without AZX_REG_ prefix */ |
| 629 | #define snd_hdac_stream_updatel(dev, reg, mask, val) \ |
| 630 | snd_hdac_stream_writel(dev, reg, \ |
| 631 | (snd_hdac_stream_readl(dev, reg) & \ |
| 632 | ~(mask)) | (val)) |
| 633 | #define snd_hdac_stream_updatew(dev, reg, mask, val) \ |
| 634 | snd_hdac_stream_writew(dev, reg, \ |
| 635 | (snd_hdac_stream_readw(dev, reg) & \ |
| 636 | ~(mask)) | (val)) |
| 637 | #define snd_hdac_stream_updateb(dev, reg, mask, val) \ |
| 638 | snd_hdac_stream_writeb(dev, reg, \ |
| 639 | (snd_hdac_stream_readb(dev, reg) & \ |
| 640 | ~(mask)) | (val)) |
| 641 | |
Takashi Iwai | 8f3f600 | 2015-04-14 12:53:28 +0200 | [diff] [blame] | 642 | #ifdef CONFIG_SND_HDA_DSP_LOADER |
| 643 | /* DSP lock helpers */ |
| 644 | #define snd_hdac_dsp_lock_init(dev) mutex_init(&(dev)->dsp_mutex) |
| 645 | #define snd_hdac_dsp_lock(dev) mutex_lock(&(dev)->dsp_mutex) |
| 646 | #define snd_hdac_dsp_unlock(dev) mutex_unlock(&(dev)->dsp_mutex) |
| 647 | #define snd_hdac_stream_is_locked(dev) ((dev)->locked) |
| 648 | /* DSP loader helpers */ |
| 649 | int snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, |
| 650 | unsigned int byte_size, struct snd_dma_buffer *bufp); |
| 651 | void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start); |
| 652 | void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, |
| 653 | struct snd_dma_buffer *dmab); |
| 654 | #else /* CONFIG_SND_HDA_DSP_LOADER */ |
| 655 | #define snd_hdac_dsp_lock_init(dev) do {} while (0) |
| 656 | #define snd_hdac_dsp_lock(dev) do {} while (0) |
| 657 | #define snd_hdac_dsp_unlock(dev) do {} while (0) |
| 658 | #define snd_hdac_stream_is_locked(dev) 0 |
| 659 | |
| 660 | static inline int |
| 661 | snd_hdac_dsp_prepare(struct hdac_stream *azx_dev, unsigned int format, |
| 662 | unsigned int byte_size, struct snd_dma_buffer *bufp) |
| 663 | { |
| 664 | return 0; |
| 665 | } |
| 666 | |
| 667 | static inline void snd_hdac_dsp_trigger(struct hdac_stream *azx_dev, bool start) |
| 668 | { |
| 669 | } |
| 670 | |
| 671 | static inline void snd_hdac_dsp_cleanup(struct hdac_stream *azx_dev, |
| 672 | struct snd_dma_buffer *dmab) |
| 673 | { |
| 674 | } |
| 675 | #endif /* CONFIG_SND_HDA_DSP_LOADER */ |
| 676 | |
| 677 | |
Takashi Iwai | 71fc4c7 | 2015-03-03 17:33:10 +0100 | [diff] [blame] | 678 | /* |
| 679 | * generic array helpers |
| 680 | */ |
| 681 | void *snd_array_new(struct snd_array *array); |
| 682 | void snd_array_free(struct snd_array *array); |
| 683 | static inline void snd_array_init(struct snd_array *array, unsigned int size, |
| 684 | unsigned int align) |
| 685 | { |
| 686 | array->elem_size = size; |
| 687 | array->alloc_align = align; |
| 688 | } |
| 689 | |
| 690 | static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) |
| 691 | { |
| 692 | return array->list + idx * array->elem_size; |
| 693 | } |
| 694 | |
| 695 | static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) |
| 696 | { |
| 697 | return (unsigned long)(ptr - array->list) / array->elem_size; |
| 698 | } |
| 699 | |
Takashi Iwai | a9c2dfc | 2018-04-23 17:24:56 +0200 | [diff] [blame] | 700 | /* a helper macro to iterate for each snd_array element */ |
| 701 | #define snd_array_for_each(array, idx, ptr) \ |
| 702 | for ((idx) = 0, (ptr) = (array)->list; (idx) < (array)->used; \ |
| 703 | (ptr) = snd_array_elem(array, ++(idx))) |
| 704 | |
Takashi Iwai | e3d280f | 2015-02-17 21:46:37 +0100 | [diff] [blame] | 705 | #endif /* __SOUND_HDAUDIO_H */ |