Commit | Line | Data |
---|---|---|
18382ead SP |
1 | /* |
2 | * hdac_hdmi.c - ASoc HDA-HDMI codec driver for Intel platforms | |
3 | * | |
4 | * Copyright (C) 2014-2015 Intel Corp | |
5 | * Author: Samreen Nilofer <samreen.nilofer@intel.com> | |
6 | * Subhransu S. Prusty <subhransu.s.prusty@intel.com> | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; version 2 of the License. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, but | |
14 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | * General Public License for more details. | |
17 | * | |
18 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
19 | */ | |
20 | #include <linux/init.h> | |
21 | #include <linux/delay.h> | |
22 | #include <linux/module.h> | |
23 | #include <linux/pm_runtime.h> | |
a657f1d0 | 24 | #include <linux/hdmi.h> |
2428bca3 | 25 | #include <drm/drm_edid.h> |
18382ead | 26 | #include <sound/pcm_params.h> |
4a3478de | 27 | #include <sound/jack.h> |
18382ead SP |
28 | #include <sound/soc.h> |
29 | #include <sound/hdaudio_ext.h> | |
07f083ab | 30 | #include <sound/hda_i915.h> |
2428bca3 | 31 | #include <sound/pcm_drm_eld.h> |
bcced704 | 32 | #include <sound/hda_chmap.h> |
18382ead | 33 | #include "../../hda/local.h" |
4a3478de | 34 | #include "hdac_hdmi.h" |
18382ead | 35 | |
17a42c45 SP |
36 | #define NAME_SIZE 32 |
37 | ||
b0362adb SP |
38 | #define AMP_OUT_MUTE 0xb080 |
39 | #define AMP_OUT_UNMUTE 0xb000 | |
18382ead | 40 | #define PIN_OUT (AC_PINCTL_OUT_EN) |
b0362adb | 41 | |
18382ead SP |
42 | #define HDA_MAX_CONNECTIONS 32 |
43 | ||
148569fd | 44 | #define HDA_MAX_CVTS 3 |
754695f9 | 45 | #define HDA_MAX_PORTS 3 |
148569fd | 46 | |
b8a54545 SP |
47 | #define ELD_MAX_SIZE 256 |
48 | #define ELD_FIXED_BYTES 20 | |
49 | ||
f6fa11a3 ST |
50 | #define ELD_VER_CEA_861D 2 |
51 | #define ELD_VER_PARTIAL 31 | |
52 | #define ELD_MAX_MNL 16 | |
53 | ||
18382ead SP |
54 | struct hdac_hdmi_cvt_params { |
55 | unsigned int channels_min; | |
56 | unsigned int channels_max; | |
57 | u32 rates; | |
58 | u64 formats; | |
59 | unsigned int maxbps; | |
60 | }; | |
61 | ||
62 | struct hdac_hdmi_cvt { | |
15b91447 | 63 | struct list_head head; |
18382ead | 64 | hda_nid_t nid; |
4a3478de | 65 | const char *name; |
18382ead SP |
66 | struct hdac_hdmi_cvt_params params; |
67 | }; | |
68 | ||
b7756ede SP |
69 | /* Currently only spk_alloc, more to be added */ |
70 | struct hdac_hdmi_parsed_eld { | |
71 | u8 spk_alloc; | |
72 | }; | |
73 | ||
b8a54545 SP |
74 | struct hdac_hdmi_eld { |
75 | bool monitor_present; | |
76 | bool eld_valid; | |
77 | int eld_size; | |
78 | char eld_buffer[ELD_MAX_SIZE]; | |
b7756ede | 79 | struct hdac_hdmi_parsed_eld info; |
b8a54545 SP |
80 | }; |
81 | ||
18382ead | 82 | struct hdac_hdmi_pin { |
15b91447 | 83 | struct list_head head; |
18382ead | 84 | hda_nid_t nid; |
2acd8309 | 85 | bool mst_capable; |
754695f9 JK |
86 | struct hdac_hdmi_port *ports; |
87 | int num_ports; | |
88 | struct hdac_ext_device *edev; | |
89 | }; | |
90 | ||
91 | struct hdac_hdmi_port { | |
e0e5d3e5 | 92 | struct list_head head; |
754695f9 JK |
93 | int id; |
94 | struct hdac_hdmi_pin *pin; | |
18382ead SP |
95 | int num_mux_nids; |
96 | hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; | |
b8a54545 | 97 | struct hdac_hdmi_eld eld; |
0324e51b JK |
98 | const char *jack_pin; |
99 | struct snd_soc_dapm_context *dapm; | |
100 | const char *output_pin; | |
18382ead SP |
101 | }; |
102 | ||
4a3478de JK |
103 | struct hdac_hdmi_pcm { |
104 | struct list_head head; | |
105 | int pcm_id; | |
e0e5d3e5 | 106 | struct list_head port_list; |
4a3478de | 107 | struct hdac_hdmi_cvt *cvt; |
62490016 | 108 | struct snd_soc_jack *jack; |
c9bfb5d7 JK |
109 | int stream_tag; |
110 | int channels; | |
111 | int format; | |
ab1eea19 JK |
112 | bool chmap_set; |
113 | unsigned char chmap[8]; /* ALSA API channel-map */ | |
114 | struct mutex lock; | |
e0e5d3e5 | 115 | int jack_event; |
4a3478de JK |
116 | }; |
117 | ||
754695f9 | 118 | struct hdac_hdmi_dai_port_map { |
18382ead | 119 | int dai_id; |
754695f9 | 120 | struct hdac_hdmi_port *port; |
15b91447 | 121 | struct hdac_hdmi_cvt *cvt; |
18382ead SP |
122 | }; |
123 | ||
124 | struct hdac_hdmi_priv { | |
754695f9 | 125 | struct hdac_hdmi_dai_port_map dai_map[HDA_MAX_CVTS]; |
15b91447 SP |
126 | struct list_head pin_list; |
127 | struct list_head cvt_list; | |
4a3478de | 128 | struct list_head pcm_list; |
15b91447 SP |
129 | int num_pin; |
130 | int num_cvt; | |
754695f9 | 131 | int num_ports; |
4a3478de | 132 | struct mutex pin_mutex; |
bcced704 | 133 | struct hdac_chmap chmap; |
18382ead SP |
134 | }; |
135 | ||
c9bfb5d7 JK |
136 | static struct hdac_hdmi_pcm * |
137 | hdac_hdmi_get_pcm_from_cvt(struct hdac_hdmi_priv *hdmi, | |
138 | struct hdac_hdmi_cvt *cvt) | |
139 | { | |
140 | struct hdac_hdmi_pcm *pcm = NULL; | |
141 | ||
142 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
143 | if (pcm->cvt == cvt) | |
144 | break; | |
145 | } | |
1de777fe | 146 | |
c9bfb5d7 JK |
147 | return pcm; |
148 | } | |
1de777fe | 149 | |
e0e5d3e5 JK |
150 | static void hdac_hdmi_jack_report(struct hdac_hdmi_pcm *pcm, |
151 | struct hdac_hdmi_port *port, bool is_connect) | |
152 | { | |
153 | struct hdac_ext_device *edev = port->pin->edev; | |
154 | ||
0324e51b JK |
155 | if (is_connect) |
156 | snd_soc_dapm_enable_pin(port->dapm, port->jack_pin); | |
157 | else | |
158 | snd_soc_dapm_disable_pin(port->dapm, port->jack_pin); | |
159 | ||
e0e5d3e5 JK |
160 | if (is_connect) { |
161 | /* | |
162 | * Report Jack connect event when a device is connected | |
163 | * for the first time where same PCM is attached to multiple | |
164 | * ports. | |
165 | */ | |
166 | if (pcm->jack_event == 0) { | |
167 | dev_dbg(&edev->hdac.dev, | |
168 | "jack report for pcm=%d\n", | |
169 | pcm->pcm_id); | |
62490016 JK |
170 | snd_soc_jack_report(pcm->jack, SND_JACK_AVOUT, |
171 | SND_JACK_AVOUT); | |
e0e5d3e5 JK |
172 | } |
173 | pcm->jack_event++; | |
174 | } else { | |
175 | /* | |
176 | * Report Jack disconnect event when a device is disconnected | |
177 | * is the only last connected device when same PCM is attached | |
178 | * to multiple ports. | |
179 | */ | |
180 | if (pcm->jack_event == 1) | |
62490016 | 181 | snd_soc_jack_report(pcm->jack, 0, SND_JACK_AVOUT); |
e0e5d3e5 JK |
182 | if (pcm->jack_event > 0) |
183 | pcm->jack_event--; | |
184 | } | |
0324e51b JK |
185 | |
186 | snd_soc_dapm_sync(port->dapm); | |
e0e5d3e5 JK |
187 | } |
188 | ||
fc181b04 JK |
189 | /* MST supported verbs */ |
190 | /* | |
191 | * Get the no devices that can be connected to a port on the Pin widget. | |
192 | */ | |
193 | static int hdac_hdmi_get_port_len(struct hdac_ext_device *hdac, hda_nid_t nid) | |
194 | { | |
195 | unsigned int caps; | |
196 | unsigned int type, param; | |
197 | ||
198 | caps = get_wcaps(&hdac->hdac, nid); | |
199 | type = get_wcaps_type(caps); | |
200 | ||
201 | if (!(caps & AC_WCAP_DIGITAL) || (type != AC_WID_PIN)) | |
202 | return 0; | |
203 | ||
204 | param = snd_hdac_read_parm_uncached(&hdac->hdac, nid, | |
205 | AC_PAR_DEVLIST_LEN); | |
206 | if (param == -1) | |
207 | return param; | |
208 | ||
209 | return param & AC_DEV_LIST_LEN_MASK; | |
210 | } | |
211 | ||
212 | /* | |
213 | * Get the port entry select on the pin. Return the port entry | |
214 | * id selected on the pin. Return 0 means the first port entry | |
215 | * is selected or MST is not supported. | |
216 | */ | |
217 | static int hdac_hdmi_port_select_get(struct hdac_ext_device *hdac, | |
218 | struct hdac_hdmi_port *port) | |
219 | { | |
220 | return snd_hdac_codec_read(&hdac->hdac, port->pin->nid, | |
221 | 0, AC_VERB_GET_DEVICE_SEL, 0); | |
222 | } | |
223 | ||
224 | /* | |
225 | * Sets the selected port entry for the configuring Pin widget verb. | |
226 | * returns error if port set is not equal to port get otherwise success | |
227 | */ | |
228 | static int hdac_hdmi_port_select_set(struct hdac_ext_device *hdac, | |
229 | struct hdac_hdmi_port *port) | |
230 | { | |
231 | int num_ports; | |
232 | ||
233 | if (!port->pin->mst_capable) | |
234 | return 0; | |
235 | ||
236 | /* AC_PAR_DEVLIST_LEN is 0 based. */ | |
237 | num_ports = hdac_hdmi_get_port_len(hdac, port->pin->nid); | |
238 | ||
239 | if (num_ports < 0) | |
240 | return -EIO; | |
241 | /* | |
242 | * Device List Length is a 0 based integer value indicating the | |
243 | * number of sink device that a MST Pin Widget can support. | |
244 | */ | |
245 | if (num_ports + 1 < port->id) | |
246 | return 0; | |
247 | ||
248 | snd_hdac_codec_write(&hdac->hdac, port->pin->nid, 0, | |
249 | AC_VERB_SET_DEVICE_SEL, port->id); | |
250 | ||
251 | if (port->id != hdac_hdmi_port_select_get(hdac, port)) | |
252 | return -EIO; | |
253 | ||
254 | dev_dbg(&hdac->hdac.dev, "Selected the port=%d\n", port->id); | |
255 | ||
256 | return 0; | |
257 | } | |
258 | ||
2889099e SP |
259 | static struct hdac_hdmi_pcm *get_hdmi_pcm_from_id(struct hdac_hdmi_priv *hdmi, |
260 | int pcm_idx) | |
261 | { | |
262 | struct hdac_hdmi_pcm *pcm; | |
263 | ||
264 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
265 | if (pcm->pcm_id == pcm_idx) | |
266 | return pcm; | |
267 | } | |
268 | ||
269 | return NULL; | |
270 | } | |
271 | ||
e342ac08 SP |
272 | static inline struct hdac_ext_device *to_hda_ext_device(struct device *dev) |
273 | { | |
51b2c425 | 274 | struct hdac_device *hdac = dev_to_hdac_dev(dev); |
e342ac08 | 275 | |
51b2c425 | 276 | return to_ehdac_device(hdac); |
e342ac08 SP |
277 | } |
278 | ||
2428bca3 SP |
279 | static unsigned int sad_format(const u8 *sad) |
280 | { | |
281 | return ((sad[0] >> 0x3) & 0x1f); | |
282 | } | |
283 | ||
284 | static unsigned int sad_sample_bits_lpcm(const u8 *sad) | |
285 | { | |
286 | return (sad[2] & 7); | |
287 | } | |
288 | ||
289 | static int hdac_hdmi_eld_limit_formats(struct snd_pcm_runtime *runtime, | |
290 | void *eld) | |
291 | { | |
292 | u64 formats = SNDRV_PCM_FMTBIT_S16; | |
293 | int i; | |
294 | const u8 *sad, *eld_buf = eld; | |
295 | ||
296 | sad = drm_eld_sad(eld_buf); | |
297 | if (!sad) | |
298 | goto format_constraint; | |
299 | ||
300 | for (i = drm_eld_sad_count(eld_buf); i > 0; i--, sad += 3) { | |
301 | if (sad_format(sad) == 1) { /* AUDIO_CODING_TYPE_LPCM */ | |
302 | ||
303 | /* | |
304 | * the controller support 20 and 24 bits in 32 bit | |
305 | * container so we set S32 | |
306 | */ | |
307 | if (sad_sample_bits_lpcm(sad) & 0x6) | |
308 | formats |= SNDRV_PCM_FMTBIT_S32; | |
309 | } | |
310 | } | |
311 | ||
312 | format_constraint: | |
313 | return snd_pcm_hw_constraint_mask64(runtime, SNDRV_PCM_HW_PARAM_FORMAT, | |
314 | formats); | |
315 | ||
316 | } | |
317 | ||
a657f1d0 SP |
318 | static void |
319 | hdac_hdmi_set_dip_index(struct hdac_ext_device *hdac, hda_nid_t pin_nid, | |
320 | int packet_index, int byte_index) | |
321 | { | |
322 | int val; | |
323 | ||
324 | val = (packet_index << 5) | (byte_index & 0x1f); | |
325 | ||
326 | snd_hdac_codec_write(&hdac->hdac, pin_nid, 0, | |
327 | AC_VERB_SET_HDMI_DIP_INDEX, val); | |
328 | } | |
329 | ||
478f544e SP |
330 | struct dp_audio_infoframe { |
331 | u8 type; /* 0x84 */ | |
332 | u8 len; /* 0x1b */ | |
333 | u8 ver; /* 0x11 << 2 */ | |
334 | ||
335 | u8 CC02_CT47; /* match with HDMI infoframe from this on */ | |
336 | u8 SS01_SF24; | |
337 | u8 CXT04; | |
338 | u8 CA; | |
339 | u8 LFEPBL01_LSV36_DM_INH7; | |
340 | }; | |
341 | ||
a657f1d0 | 342 | static int hdac_hdmi_setup_audio_infoframe(struct hdac_ext_device *hdac, |
754695f9 | 343 | struct hdac_hdmi_pcm *pcm, struct hdac_hdmi_port *port) |
a657f1d0 SP |
344 | { |
345 | uint8_t buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AUDIO_INFOFRAME_SIZE]; | |
346 | struct hdmi_audio_infoframe frame; | |
754695f9 | 347 | struct hdac_hdmi_pin *pin = port->pin; |
478f544e SP |
348 | struct dp_audio_infoframe dp_ai; |
349 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
ab1eea19 | 350 | struct hdac_hdmi_cvt *cvt = pcm->cvt; |
478f544e | 351 | u8 *dip; |
a657f1d0 SP |
352 | int ret; |
353 | int i; | |
478f544e SP |
354 | const u8 *eld_buf; |
355 | u8 conn_type; | |
bcced704 | 356 | int channels, ca; |
a657f1d0 | 357 | |
754695f9 | 358 | ca = snd_hdac_channel_allocation(&hdac->hdac, port->eld.info.spk_alloc, |
ab1eea19 | 359 | pcm->channels, pcm->chmap_set, true, pcm->chmap); |
bcced704 SP |
360 | |
361 | channels = snd_hdac_get_active_channels(ca); | |
ab1eea19 | 362 | hdmi->chmap.ops.set_channel_count(&hdac->hdac, cvt->nid, channels); |
bcced704 SP |
363 | |
364 | snd_hdac_setup_channel_mapping(&hdmi->chmap, pin->nid, false, ca, | |
ab1eea19 | 365 | pcm->channels, pcm->chmap, pcm->chmap_set); |
bcced704 | 366 | |
754695f9 | 367 | eld_buf = port->eld.eld_buffer; |
478f544e | 368 | conn_type = drm_eld_get_conn_type(eld_buf); |
a657f1d0 | 369 | |
478f544e SP |
370 | switch (conn_type) { |
371 | case DRM_ELD_CONN_TYPE_HDMI: | |
372 | hdmi_audio_infoframe_init(&frame); | |
373 | ||
478f544e | 374 | frame.channels = channels; |
bcced704 | 375 | frame.channel_allocation = ca; |
478f544e SP |
376 | |
377 | ret = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); | |
378 | if (ret < 0) | |
379 | return ret; | |
a657f1d0 | 380 | |
478f544e SP |
381 | break; |
382 | ||
383 | case DRM_ELD_CONN_TYPE_DP: | |
384 | memset(&dp_ai, 0, sizeof(dp_ai)); | |
385 | dp_ai.type = 0x84; | |
386 | dp_ai.len = 0x1b; | |
387 | dp_ai.ver = 0x11 << 2; | |
388 | dp_ai.CC02_CT47 = channels - 1; | |
bcced704 | 389 | dp_ai.CA = ca; |
478f544e SP |
390 | |
391 | dip = (u8 *)&dp_ai; | |
392 | break; | |
393 | ||
394 | default: | |
395 | dev_err(&hdac->hdac.dev, "Invalid connection type: %d\n", | |
396 | conn_type); | |
397 | return -EIO; | |
398 | } | |
a657f1d0 SP |
399 | |
400 | /* stop infoframe transmission */ | |
ab1eea19 JK |
401 | hdac_hdmi_set_dip_index(hdac, pin->nid, 0x0, 0x0); |
402 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
a657f1d0 SP |
403 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_DISABLE); |
404 | ||
405 | ||
406 | /* Fill infoframe. Index auto-incremented */ | |
ab1eea19 | 407 | hdac_hdmi_set_dip_index(hdac, pin->nid, 0x0, 0x0); |
478f544e | 408 | if (conn_type == DRM_ELD_CONN_TYPE_HDMI) { |
391005e8 | 409 | for (i = 0; i < sizeof(buffer); i++) |
ab1eea19 | 410 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, |
391005e8 | 411 | AC_VERB_SET_HDMI_DIP_DATA, buffer[i]); |
478f544e SP |
412 | } else { |
413 | for (i = 0; i < sizeof(dp_ai); i++) | |
ab1eea19 | 414 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, |
a657f1d0 | 415 | AC_VERB_SET_HDMI_DIP_DATA, dip[i]); |
478f544e | 416 | } |
a657f1d0 SP |
417 | |
418 | /* Start infoframe */ | |
ab1eea19 JK |
419 | hdac_hdmi_set_dip_index(hdac, pin->nid, 0x0, 0x0); |
420 | snd_hdac_codec_write(&hdac->hdac, pin->nid, 0, | |
a657f1d0 SP |
421 | AC_VERB_SET_HDMI_DIP_XMIT, AC_DIPXMIT_BEST); |
422 | ||
423 | return 0; | |
424 | } | |
425 | ||
c9bfb5d7 JK |
426 | static int hdac_hdmi_set_tdm_slot(struct snd_soc_dai *dai, |
427 | unsigned int tx_mask, unsigned int rx_mask, | |
428 | int slots, int slot_width) | |
b0362adb | 429 | { |
c9bfb5d7 JK |
430 | struct hdac_ext_device *edev = snd_soc_dai_get_drvdata(dai); |
431 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
754695f9 | 432 | struct hdac_hdmi_dai_port_map *dai_map; |
c9bfb5d7 | 433 | struct hdac_hdmi_pcm *pcm; |
b0362adb | 434 | |
c9bfb5d7 | 435 | dev_dbg(&edev->hdac.dev, "%s: strm_tag: %d\n", __func__, tx_mask); |
b0362adb | 436 | |
c9bfb5d7 | 437 | dai_map = &hdmi->dai_map[dai->id]; |
b0362adb | 438 | |
c9bfb5d7 | 439 | pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt); |
bcced704 | 440 | |
c9bfb5d7 JK |
441 | if (pcm) |
442 | pcm->stream_tag = (tx_mask << 4); | |
a657f1d0 | 443 | |
c9bfb5d7 | 444 | return 0; |
b0362adb SP |
445 | } |
446 | ||
447 | static int hdac_hdmi_set_hw_params(struct snd_pcm_substream *substream, | |
448 | struct snd_pcm_hw_params *hparams, struct snd_soc_dai *dai) | |
449 | { | |
450 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
54dfa1ea | 451 | struct hdac_hdmi_priv *hdmi = hdac->private_data; |
754695f9 JK |
452 | struct hdac_hdmi_dai_port_map *dai_map; |
453 | struct hdac_hdmi_port *port; | |
c9bfb5d7 JK |
454 | struct hdac_hdmi_pcm *pcm; |
455 | int format; | |
b0362adb | 456 | |
54dfa1ea | 457 | dai_map = &hdmi->dai_map[dai->id]; |
754695f9 | 458 | port = dai_map->port; |
54dfa1ea | 459 | |
754695f9 | 460 | if (!port) |
54dfa1ea SP |
461 | return -ENODEV; |
462 | ||
754695f9 JK |
463 | if ((!port->eld.monitor_present) || (!port->eld.eld_valid)) { |
464 | dev_err(&hdac->hdac.dev, | |
465 | "device is not configured for this pin:port%d:%d\n", | |
466 | port->pin->nid, port->id); | |
b0362adb SP |
467 | return -ENODEV; |
468 | } | |
469 | ||
c9bfb5d7 | 470 | format = snd_hdac_calc_stream_format(params_rate(hparams), |
b0362adb | 471 | params_channels(hparams), params_format(hparams), |
66d6bbc6 | 472 | dai->driver->playback.sig_bits, 0); |
b0362adb | 473 | |
c9bfb5d7 JK |
474 | pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt); |
475 | if (!pcm) | |
148569fd SP |
476 | return -EIO; |
477 | ||
c9bfb5d7 JK |
478 | pcm->format = format; |
479 | pcm->channels = params_channels(hparams); | |
148569fd SP |
480 | |
481 | return 0; | |
482 | } | |
483 | ||
754695f9 JK |
484 | static int hdac_hdmi_query_port_connlist(struct hdac_ext_device *hdac, |
485 | struct hdac_hdmi_pin *pin, | |
486 | struct hdac_hdmi_port *port) | |
148569fd SP |
487 | { |
488 | if (!(get_wcaps(&hdac->hdac, pin->nid) & AC_WCAP_CONN_LIST)) { | |
489 | dev_warn(&hdac->hdac.dev, | |
490 | "HDMI: pin %d wcaps %#x does not support connection list\n", | |
491 | pin->nid, get_wcaps(&hdac->hdac, pin->nid)); | |
492 | return -EINVAL; | |
493 | } | |
494 | ||
1b46ebd1 JK |
495 | if (hdac_hdmi_port_select_set(hdac, port) < 0) |
496 | return -EIO; | |
497 | ||
754695f9 JK |
498 | port->num_mux_nids = snd_hdac_get_connections(&hdac->hdac, pin->nid, |
499 | port->mux_nids, HDA_MAX_CONNECTIONS); | |
500 | if (port->num_mux_nids == 0) | |
501 | dev_warn(&hdac->hdac.dev, | |
502 | "No connections found for pin:port %d:%d\n", | |
503 | pin->nid, port->id); | |
148569fd | 504 | |
754695f9 JK |
505 | dev_dbg(&hdac->hdac.dev, "num_mux_nids %d for pin:port %d:%d\n", |
506 | port->num_mux_nids, pin->nid, port->id); | |
148569fd | 507 | |
754695f9 | 508 | return port->num_mux_nids; |
148569fd SP |
509 | } |
510 | ||
511 | /* | |
754695f9 | 512 | * Query pcm list and return port to which stream is routed. |
148569fd | 513 | * |
754695f9 | 514 | * Also query connection list of the pin, to validate the cvt to port map. |
148569fd | 515 | * |
754695f9 JK |
516 | * Same stream rendering to multiple ports simultaneously can be done |
517 | * possibly, but not supported for now in driver. So return the first port | |
148569fd SP |
518 | * connected. |
519 | */ | |
754695f9 | 520 | static struct hdac_hdmi_port *hdac_hdmi_get_port_from_cvt( |
148569fd SP |
521 | struct hdac_ext_device *edev, |
522 | struct hdac_hdmi_priv *hdmi, | |
523 | struct hdac_hdmi_cvt *cvt) | |
524 | { | |
525 | struct hdac_hdmi_pcm *pcm; | |
754695f9 | 526 | struct hdac_hdmi_port *port = NULL; |
148569fd SP |
527 | int ret, i; |
528 | ||
529 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
530 | if (pcm->cvt == cvt) { | |
e0e5d3e5 JK |
531 | if (list_empty(&pcm->port_list)) |
532 | continue; | |
148569fd | 533 | |
e0e5d3e5 JK |
534 | list_for_each_entry(port, &pcm->port_list, head) { |
535 | mutex_lock(&pcm->lock); | |
536 | ret = hdac_hdmi_query_port_connlist(edev, | |
537 | port->pin, port); | |
538 | mutex_unlock(&pcm->lock); | |
539 | if (ret < 0) | |
540 | continue; | |
541 | ||
542 | for (i = 0; i < port->num_mux_nids; i++) { | |
543 | if (port->mux_nids[i] == cvt->nid && | |
544 | port->eld.monitor_present && | |
545 | port->eld.eld_valid) | |
546 | return port; | |
547 | } | |
548 | } | |
148569fd SP |
549 | } |
550 | } | |
551 | ||
552 | return NULL; | |
553 | } | |
554 | ||
54dfa1ea SP |
555 | /* |
556 | * This tries to get a valid pin and set the HW constraints based on the | |
557 | * ELD. Even if a valid pin is not found return success so that device open | |
558 | * doesn't fail. | |
559 | */ | |
b0362adb SP |
560 | static int hdac_hdmi_pcm_open(struct snd_pcm_substream *substream, |
561 | struct snd_soc_dai *dai) | |
562 | { | |
563 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
564 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
754695f9 | 565 | struct hdac_hdmi_dai_port_map *dai_map; |
148569fd | 566 | struct hdac_hdmi_cvt *cvt; |
754695f9 | 567 | struct hdac_hdmi_port *port; |
2428bca3 | 568 | int ret; |
b0362adb | 569 | |
b0362adb SP |
570 | dai_map = &hdmi->dai_map[dai->id]; |
571 | ||
148569fd | 572 | cvt = dai_map->cvt; |
754695f9 | 573 | port = hdac_hdmi_get_port_from_cvt(hdac, hdmi, cvt); |
54dfa1ea SP |
574 | |
575 | /* | |
576 | * To make PA and other userland happy. | |
577 | * userland scans devices so returning error does not help. | |
578 | */ | |
754695f9 | 579 | if (!port) |
54dfa1ea | 580 | return 0; |
754695f9 JK |
581 | if ((!port->eld.monitor_present) || |
582 | (!port->eld.eld_valid)) { | |
b8a54545 | 583 | |
54dfa1ea | 584 | dev_warn(&hdac->hdac.dev, |
754695f9 JK |
585 | "Failed: present?:%d ELD valid?:%d pin:port: %d:%d\n", |
586 | port->eld.monitor_present, port->eld.eld_valid, | |
587 | port->pin->nid, port->id); | |
b0362adb | 588 | |
54dfa1ea | 589 | return 0; |
b0362adb SP |
590 | } |
591 | ||
754695f9 | 592 | dai_map->port = port; |
b0362adb | 593 | |
2428bca3 | 594 | ret = hdac_hdmi_eld_limit_formats(substream->runtime, |
754695f9 | 595 | port->eld.eld_buffer); |
2428bca3 SP |
596 | if (ret < 0) |
597 | return ret; | |
b0362adb | 598 | |
2428bca3 | 599 | return snd_pcm_hw_constraint_eld(substream->runtime, |
754695f9 | 600 | port->eld.eld_buffer); |
b0362adb SP |
601 | } |
602 | ||
603 | static void hdac_hdmi_pcm_close(struct snd_pcm_substream *substream, | |
604 | struct snd_soc_dai *dai) | |
605 | { | |
606 | struct hdac_ext_device *hdac = snd_soc_dai_get_drvdata(dai); | |
607 | struct hdac_hdmi_priv *hdmi = hdac->private_data; | |
754695f9 | 608 | struct hdac_hdmi_dai_port_map *dai_map; |
ab1eea19 | 609 | struct hdac_hdmi_pcm *pcm; |
b0362adb SP |
610 | |
611 | dai_map = &hdmi->dai_map[dai->id]; | |
612 | ||
ab1eea19 | 613 | pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, dai_map->cvt); |
bcced704 | 614 | |
ab1eea19 JK |
615 | if (pcm) { |
616 | mutex_lock(&pcm->lock); | |
617 | pcm->chmap_set = false; | |
618 | memset(pcm->chmap, 0, sizeof(pcm->chmap)); | |
619 | pcm->channels = 0; | |
620 | mutex_unlock(&pcm->lock); | |
54dfa1ea | 621 | } |
ab1eea19 | 622 | |
754695f9 JK |
623 | if (dai_map->port) |
624 | dai_map->port = NULL; | |
b0362adb SP |
625 | } |
626 | ||
18382ead SP |
627 | static int |
628 | hdac_hdmi_query_cvt_params(struct hdac_device *hdac, struct hdac_hdmi_cvt *cvt) | |
629 | { | |
bcced704 SP |
630 | unsigned int chans; |
631 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
632 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
18382ead SP |
633 | int err; |
634 | ||
bcced704 SP |
635 | chans = get_wcaps(hdac, cvt->nid); |
636 | chans = get_wcaps_channels(chans); | |
637 | ||
638 | cvt->params.channels_min = 2; | |
639 | ||
640 | cvt->params.channels_max = chans; | |
641 | if (chans > hdmi->chmap.channels_max) | |
642 | hdmi->chmap.channels_max = chans; | |
18382ead SP |
643 | |
644 | err = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
645 | &cvt->params.rates, | |
646 | &cvt->params.formats, | |
647 | &cvt->params.maxbps); | |
648 | if (err < 0) | |
649 | dev_err(&hdac->dev, | |
650 | "Failed to query pcm params for nid %d: %d\n", | |
651 | cvt->nid, err); | |
652 | ||
653 | return err; | |
654 | } | |
655 | ||
79f4e922 | 656 | static int hdac_hdmi_fill_widget_info(struct device *dev, |
c9bfb5d7 JK |
657 | struct snd_soc_dapm_widget *w, enum snd_soc_dapm_type id, |
658 | void *priv, const char *wname, const char *stream, | |
659 | struct snd_kcontrol_new *wc, int numkc, | |
660 | int (*event)(struct snd_soc_dapm_widget *, | |
661 | struct snd_kcontrol *, int), unsigned short event_flags) | |
18382ead SP |
662 | { |
663 | w->id = id; | |
79f4e922 SP |
664 | w->name = devm_kstrdup(dev, wname, GFP_KERNEL); |
665 | if (!w->name) | |
666 | return -ENOMEM; | |
667 | ||
18382ead SP |
668 | w->sname = stream; |
669 | w->reg = SND_SOC_NOPM; | |
670 | w->shift = 0; | |
79f4e922 SP |
671 | w->kcontrol_news = wc; |
672 | w->num_kcontrols = numkc; | |
673 | w->priv = priv; | |
c9bfb5d7 JK |
674 | w->event = event; |
675 | w->event_flags = event_flags; | |
79f4e922 SP |
676 | |
677 | return 0; | |
18382ead SP |
678 | } |
679 | ||
680 | static void hdac_hdmi_fill_route(struct snd_soc_dapm_route *route, | |
79f4e922 SP |
681 | const char *sink, const char *control, const char *src, |
682 | int (*handler)(struct snd_soc_dapm_widget *src, | |
683 | struct snd_soc_dapm_widget *sink)) | |
18382ead SP |
684 | { |
685 | route->sink = sink; | |
686 | route->source = src; | |
687 | route->control = control; | |
79f4e922 | 688 | route->connected = handler; |
18382ead SP |
689 | } |
690 | ||
4a3478de | 691 | static struct hdac_hdmi_pcm *hdac_hdmi_get_pcm(struct hdac_ext_device *edev, |
754695f9 | 692 | struct hdac_hdmi_port *port) |
4a3478de JK |
693 | { |
694 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
695 | struct hdac_hdmi_pcm *pcm = NULL; | |
e0e5d3e5 | 696 | struct hdac_hdmi_port *p; |
4a3478de JK |
697 | |
698 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
e0e5d3e5 | 699 | if (list_empty(&pcm->port_list)) |
754695f9 JK |
700 | continue; |
701 | ||
e0e5d3e5 JK |
702 | list_for_each_entry(p, &pcm->port_list, head) { |
703 | if (p->id == port->id && port->pin == p->pin) | |
704 | return pcm; | |
705 | } | |
4a3478de JK |
706 | } |
707 | ||
708 | return NULL; | |
709 | } | |
710 | ||
c9bfb5d7 JK |
711 | static void hdac_hdmi_set_power_state(struct hdac_ext_device *edev, |
712 | hda_nid_t nid, unsigned int pwr_state) | |
713 | { | |
714 | if (get_wcaps(&edev->hdac, nid) & AC_WCAP_POWER) { | |
715 | if (!snd_hdac_check_power_state(&edev->hdac, nid, pwr_state)) | |
716 | snd_hdac_codec_write(&edev->hdac, nid, 0, | |
717 | AC_VERB_SET_POWER_STATE, pwr_state); | |
718 | } | |
719 | } | |
720 | ||
721 | static void hdac_hdmi_set_amp(struct hdac_ext_device *edev, | |
722 | hda_nid_t nid, int val) | |
723 | { | |
724 | if (get_wcaps(&edev->hdac, nid) & AC_WCAP_OUT_AMP) | |
725 | snd_hdac_codec_write(&edev->hdac, nid, 0, | |
726 | AC_VERB_SET_AMP_GAIN_MUTE, val); | |
727 | } | |
728 | ||
729 | ||
730 | static int hdac_hdmi_pin_output_widget_event(struct snd_soc_dapm_widget *w, | |
731 | struct snd_kcontrol *kc, int event) | |
732 | { | |
754695f9 | 733 | struct hdac_hdmi_port *port = w->priv; |
c9bfb5d7 JK |
734 | struct hdac_ext_device *edev = to_hda_ext_device(w->dapm->dev); |
735 | struct hdac_hdmi_pcm *pcm; | |
736 | ||
737 | dev_dbg(&edev->hdac.dev, "%s: widget: %s event: %x\n", | |
738 | __func__, w->name, event); | |
739 | ||
754695f9 | 740 | pcm = hdac_hdmi_get_pcm(edev, port); |
c9bfb5d7 JK |
741 | if (!pcm) |
742 | return -EIO; | |
743 | ||
1b46ebd1 JK |
744 | /* set the device if pin is mst_capable */ |
745 | if (hdac_hdmi_port_select_set(edev, port) < 0) | |
746 | return -EIO; | |
747 | ||
c9bfb5d7 JK |
748 | switch (event) { |
749 | case SND_SOC_DAPM_PRE_PMU: | |
754695f9 | 750 | hdac_hdmi_set_power_state(edev, port->pin->nid, AC_PWRST_D0); |
c9bfb5d7 JK |
751 | |
752 | /* Enable out path for this pin widget */ | |
754695f9 | 753 | snd_hdac_codec_write(&edev->hdac, port->pin->nid, 0, |
c9bfb5d7 JK |
754 | AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); |
755 | ||
754695f9 | 756 | hdac_hdmi_set_amp(edev, port->pin->nid, AMP_OUT_UNMUTE); |
c9bfb5d7 | 757 | |
754695f9 | 758 | return hdac_hdmi_setup_audio_infoframe(edev, pcm, port); |
c9bfb5d7 JK |
759 | |
760 | case SND_SOC_DAPM_POST_PMD: | |
754695f9 | 761 | hdac_hdmi_set_amp(edev, port->pin->nid, AMP_OUT_MUTE); |
c9bfb5d7 JK |
762 | |
763 | /* Disable out path for this pin widget */ | |
754695f9 | 764 | snd_hdac_codec_write(&edev->hdac, port->pin->nid, 0, |
c9bfb5d7 JK |
765 | AC_VERB_SET_PIN_WIDGET_CONTROL, 0); |
766 | ||
754695f9 | 767 | hdac_hdmi_set_power_state(edev, port->pin->nid, AC_PWRST_D3); |
c9bfb5d7 JK |
768 | break; |
769 | ||
770 | } | |
771 | ||
772 | return 0; | |
773 | } | |
774 | ||
775 | static int hdac_hdmi_cvt_output_widget_event(struct snd_soc_dapm_widget *w, | |
776 | struct snd_kcontrol *kc, int event) | |
777 | { | |
778 | struct hdac_hdmi_cvt *cvt = w->priv; | |
779 | struct hdac_ext_device *edev = to_hda_ext_device(w->dapm->dev); | |
780 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
781 | struct hdac_hdmi_pcm *pcm; | |
782 | ||
783 | dev_dbg(&edev->hdac.dev, "%s: widget: %s event: %x\n", | |
784 | __func__, w->name, event); | |
785 | ||
786 | pcm = hdac_hdmi_get_pcm_from_cvt(hdmi, cvt); | |
787 | if (!pcm) | |
788 | return -EIO; | |
789 | ||
790 | switch (event) { | |
791 | case SND_SOC_DAPM_PRE_PMU: | |
792 | hdac_hdmi_set_power_state(edev, cvt->nid, AC_PWRST_D0); | |
793 | ||
794 | /* Enable transmission */ | |
795 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
796 | AC_VERB_SET_DIGI_CONVERT_1, 1); | |
797 | ||
798 | /* Category Code (CC) to zero */ | |
799 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
800 | AC_VERB_SET_DIGI_CONVERT_2, 0); | |
801 | ||
802 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
803 | AC_VERB_SET_CHANNEL_STREAMID, pcm->stream_tag); | |
804 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
805 | AC_VERB_SET_STREAM_FORMAT, pcm->format); | |
806 | break; | |
807 | ||
808 | case SND_SOC_DAPM_POST_PMD: | |
809 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
810 | AC_VERB_SET_CHANNEL_STREAMID, 0); | |
811 | snd_hdac_codec_write(&edev->hdac, cvt->nid, 0, | |
812 | AC_VERB_SET_STREAM_FORMAT, 0); | |
813 | ||
814 | hdac_hdmi_set_power_state(edev, cvt->nid, AC_PWRST_D3); | |
815 | break; | |
816 | ||
817 | } | |
818 | ||
819 | return 0; | |
820 | } | |
821 | ||
822 | static int hdac_hdmi_pin_mux_widget_event(struct snd_soc_dapm_widget *w, | |
823 | struct snd_kcontrol *kc, int event) | |
824 | { | |
754695f9 | 825 | struct hdac_hdmi_port *port = w->priv; |
c9bfb5d7 JK |
826 | struct hdac_ext_device *edev = to_hda_ext_device(w->dapm->dev); |
827 | int mux_idx; | |
828 | ||
829 | dev_dbg(&edev->hdac.dev, "%s: widget: %s event: %x\n", | |
830 | __func__, w->name, event); | |
831 | ||
832 | if (!kc) | |
833 | kc = w->kcontrols[0]; | |
834 | ||
835 | mux_idx = dapm_kcontrol_get_value(kc); | |
1b46ebd1 JK |
836 | |
837 | /* set the device if pin is mst_capable */ | |
838 | if (hdac_hdmi_port_select_set(edev, port) < 0) | |
839 | return -EIO; | |
840 | ||
c9bfb5d7 | 841 | if (mux_idx > 0) { |
754695f9 | 842 | snd_hdac_codec_write(&edev->hdac, port->pin->nid, 0, |
c9bfb5d7 JK |
843 | AC_VERB_SET_CONNECT_SEL, (mux_idx - 1)); |
844 | } | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
4a3478de JK |
849 | /* |
850 | * Based on user selection, map the PINs with the PCMs. | |
851 | */ | |
754695f9 | 852 | static int hdac_hdmi_set_pin_port_mux(struct snd_kcontrol *kcontrol, |
4a3478de JK |
853 | struct snd_ctl_elem_value *ucontrol) |
854 | { | |
855 | int ret; | |
e0e5d3e5 | 856 | struct hdac_hdmi_port *p, *p_next; |
4a3478de JK |
857 | struct soc_enum *e = (struct soc_enum *)kcontrol->private_value; |
858 | struct snd_soc_dapm_widget *w = snd_soc_dapm_kcontrol_widget(kcontrol); | |
859 | struct snd_soc_dapm_context *dapm = w->dapm; | |
754695f9 | 860 | struct hdac_hdmi_port *port = w->priv; |
4a3478de JK |
861 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); |
862 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
863 | struct hdac_hdmi_pcm *pcm = NULL; | |
864 | const char *cvt_name = e->texts[ucontrol->value.enumerated.item[0]]; | |
865 | ||
866 | ret = snd_soc_dapm_put_enum_double(kcontrol, ucontrol); | |
867 | if (ret < 0) | |
868 | return ret; | |
869 | ||
754695f9 JK |
870 | if (port == NULL) |
871 | return -EINVAL; | |
872 | ||
4a3478de JK |
873 | mutex_lock(&hdmi->pin_mutex); |
874 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
e0e5d3e5 JK |
875 | if (list_empty(&pcm->port_list)) |
876 | continue; | |
4a3478de | 877 | |
e0e5d3e5 JK |
878 | list_for_each_entry_safe(p, p_next, &pcm->port_list, head) { |
879 | if (p == port && p->id == port->id && | |
880 | p->pin == port->pin) { | |
881 | hdac_hdmi_jack_report(pcm, port, false); | |
882 | list_del(&p->head); | |
883 | } | |
884 | } | |
885 | } | |
4a3478de | 886 | |
e0e5d3e5 JK |
887 | /* |
888 | * Jack status is not reported during device probe as the | |
889 | * PCMs are not registered by then. So report it here. | |
890 | */ | |
891 | list_for_each_entry(pcm, &hdmi->pcm_list, head) { | |
892 | if (!strcmp(cvt_name, pcm->cvt->name)) { | |
893 | list_add_tail(&port->head, &pcm->port_list); | |
894 | if (port->eld.monitor_present && port->eld.eld_valid) { | |
895 | hdac_hdmi_jack_report(pcm, port, true); | |
896 | mutex_unlock(&hdmi->pin_mutex); | |
897 | return ret; | |
4a3478de | 898 | } |
4a3478de JK |
899 | } |
900 | } | |
901 | mutex_unlock(&hdmi->pin_mutex); | |
902 | ||
903 | return ret; | |
904 | } | |
905 | ||
79f4e922 SP |
906 | /* |
907 | * Ideally the Mux inputs should be based on the num_muxs enumerated, but | |
908 | * the display driver seem to be programming the connection list for the pin | |
909 | * widget runtime. | |
910 | * | |
911 | * So programming all the possible inputs for the mux, the user has to take | |
912 | * care of selecting the right one and leaving all other inputs selected to | |
913 | * "NONE" | |
914 | */ | |
754695f9 JK |
915 | static int hdac_hdmi_create_pin_port_muxs(struct hdac_ext_device *edev, |
916 | struct hdac_hdmi_port *port, | |
79f4e922 SP |
917 | struct snd_soc_dapm_widget *widget, |
918 | const char *widget_name) | |
919 | { | |
920 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
754695f9 | 921 | struct hdac_hdmi_pin *pin = port->pin; |
79f4e922 SP |
922 | struct snd_kcontrol_new *kc; |
923 | struct hdac_hdmi_cvt *cvt; | |
924 | struct soc_enum *se; | |
925 | char kc_name[NAME_SIZE]; | |
926 | char mux_items[NAME_SIZE]; | |
927 | /* To hold inputs to the Pin mux */ | |
928 | char *items[HDA_MAX_CONNECTIONS]; | |
929 | int i = 0; | |
930 | int num_items = hdmi->num_cvt + 1; | |
931 | ||
932 | kc = devm_kzalloc(&edev->hdac.dev, sizeof(*kc), GFP_KERNEL); | |
933 | if (!kc) | |
934 | return -ENOMEM; | |
935 | ||
936 | se = devm_kzalloc(&edev->hdac.dev, sizeof(*se), GFP_KERNEL); | |
937 | if (!se) | |
938 | return -ENOMEM; | |
939 | ||
754695f9 | 940 | sprintf(kc_name, "Pin %d port %d Input", pin->nid, port->id); |
79f4e922 SP |
941 | kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL); |
942 | if (!kc->name) | |
943 | return -ENOMEM; | |
944 | ||
945 | kc->private_value = (long)se; | |
946 | kc->iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
947 | kc->access = 0; | |
948 | kc->info = snd_soc_info_enum_double; | |
754695f9 | 949 | kc->put = hdac_hdmi_set_pin_port_mux; |
79f4e922 SP |
950 | kc->get = snd_soc_dapm_get_enum_double; |
951 | ||
952 | se->reg = SND_SOC_NOPM; | |
953 | ||
954 | /* enum texts: ["NONE", "cvt #", "cvt #", ...] */ | |
955 | se->items = num_items; | |
956 | se->mask = roundup_pow_of_two(se->items) - 1; | |
957 | ||
958 | sprintf(mux_items, "NONE"); | |
959 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
960 | if (!items[i]) | |
961 | return -ENOMEM; | |
962 | ||
963 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
964 | i++; | |
965 | sprintf(mux_items, "cvt %d", cvt->nid); | |
966 | items[i] = devm_kstrdup(&edev->hdac.dev, mux_items, GFP_KERNEL); | |
967 | if (!items[i]) | |
968 | return -ENOMEM; | |
969 | } | |
970 | ||
971 | se->texts = devm_kmemdup(&edev->hdac.dev, items, | |
972 | (num_items * sizeof(char *)), GFP_KERNEL); | |
973 | if (!se->texts) | |
974 | return -ENOMEM; | |
975 | ||
976 | return hdac_hdmi_fill_widget_info(&edev->hdac.dev, widget, | |
754695f9 | 977 | snd_soc_dapm_mux, port, widget_name, NULL, kc, 1, |
c9bfb5d7 JK |
978 | hdac_hdmi_pin_mux_widget_event, |
979 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_REG); | |
79f4e922 SP |
980 | } |
981 | ||
982 | /* Add cvt <- input <- mux route map */ | |
983 | static void hdac_hdmi_add_pinmux_cvt_route(struct hdac_ext_device *edev, | |
984 | struct snd_soc_dapm_widget *widgets, | |
985 | struct snd_soc_dapm_route *route, int rindex) | |
986 | { | |
987 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
988 | const struct snd_kcontrol_new *kc; | |
989 | struct soc_enum *se; | |
754695f9 | 990 | int mux_index = hdmi->num_cvt + hdmi->num_ports; |
79f4e922 SP |
991 | int i, j; |
992 | ||
754695f9 | 993 | for (i = 0; i < hdmi->num_ports; i++) { |
79f4e922 SP |
994 | kc = widgets[mux_index].kcontrol_news; |
995 | se = (struct soc_enum *)kc->private_value; | |
996 | for (j = 0; j < hdmi->num_cvt; j++) { | |
997 | hdac_hdmi_fill_route(&route[rindex], | |
998 | widgets[mux_index].name, | |
999 | se->texts[j + 1], | |
1000 | widgets[j].name, NULL); | |
1001 | ||
1002 | rindex++; | |
1003 | } | |
1004 | ||
1005 | mux_index++; | |
1006 | } | |
1007 | } | |
1008 | ||
1009 | /* | |
1010 | * Widgets are added in the below sequence | |
1011 | * Converter widgets for num converters enumerated | |
754695f9 JK |
1012 | * Pin-port widgets for num ports for Pins enumerated |
1013 | * Pin-port mux widgets to represent connenction list of pin widget | |
79f4e922 | 1014 | * |
754695f9 JK |
1015 | * For each port, one Mux and One output widget is added |
1016 | * Total widgets elements = num_cvt + (num_ports * 2); | |
79f4e922 SP |
1017 | * |
1018 | * Routes are added as below: | |
754695f9 JK |
1019 | * pin-port mux -> pin (based on num_ports) |
1020 | * cvt -> "Input sel control" -> pin-port_mux | |
79f4e922 SP |
1021 | * |
1022 | * Total route elements: | |
754695f9 | 1023 | * num_ports + (pin_muxes * num_cvt) |
79f4e922 SP |
1024 | */ |
1025 | static int create_fill_widget_route_map(struct snd_soc_dapm_context *dapm) | |
18382ead | 1026 | { |
79f4e922 SP |
1027 | struct snd_soc_dapm_widget *widgets; |
1028 | struct snd_soc_dapm_route *route; | |
1029 | struct hdac_ext_device *edev = to_hda_ext_device(dapm->dev); | |
1030 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1031 | struct snd_soc_dai_driver *dai_drv = dapm->component->dai_drv; | |
1032 | char widget_name[NAME_SIZE]; | |
1033 | struct hdac_hdmi_cvt *cvt; | |
1034 | struct hdac_hdmi_pin *pin; | |
754695f9 | 1035 | int ret, i = 0, num_routes = 0, j; |
18382ead | 1036 | |
79f4e922 SP |
1037 | if (list_empty(&hdmi->cvt_list) || list_empty(&hdmi->pin_list)) |
1038 | return -EINVAL; | |
18382ead | 1039 | |
754695f9 JK |
1040 | widgets = devm_kzalloc(dapm->dev, (sizeof(*widgets) * |
1041 | ((2 * hdmi->num_ports) + hdmi->num_cvt)), | |
1042 | GFP_KERNEL); | |
18382ead | 1043 | |
79f4e922 SP |
1044 | if (!widgets) |
1045 | return -ENOMEM; | |
1046 | ||
1047 | /* DAPM widgets to represent each converter widget */ | |
1048 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1049 | sprintf(widget_name, "Converter %d", cvt->nid); | |
1050 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
c9bfb5d7 JK |
1051 | snd_soc_dapm_aif_in, cvt, |
1052 | widget_name, dai_drv[i].playback.stream_name, NULL, 0, | |
1053 | hdac_hdmi_cvt_output_widget_event, | |
1054 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD); | |
79f4e922 SP |
1055 | if (ret < 0) |
1056 | return ret; | |
1057 | i++; | |
1058 | } | |
1059 | ||
1060 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
754695f9 JK |
1061 | for (j = 0; j < pin->num_ports; j++) { |
1062 | sprintf(widget_name, "hif%d-%d Output", | |
1063 | pin->nid, pin->ports[j].id); | |
1064 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
1065 | snd_soc_dapm_output, &pin->ports[j], | |
1066 | widget_name, NULL, NULL, 0, | |
1067 | hdac_hdmi_pin_output_widget_event, | |
1068 | SND_SOC_DAPM_PRE_PMU | | |
1069 | SND_SOC_DAPM_POST_PMD); | |
1070 | if (ret < 0) | |
1071 | return ret; | |
0324e51b | 1072 | pin->ports[j].output_pin = widgets[i].name; |
754695f9 JK |
1073 | i++; |
1074 | } | |
79f4e922 SP |
1075 | } |
1076 | ||
1077 | /* DAPM widgets to represent the connection list to pin widget */ | |
1078 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
754695f9 JK |
1079 | for (j = 0; j < pin->num_ports; j++) { |
1080 | sprintf(widget_name, "Pin%d-Port%d Mux", | |
1081 | pin->nid, pin->ports[j].id); | |
1082 | ret = hdac_hdmi_create_pin_port_muxs(edev, | |
1083 | &pin->ports[j], &widgets[i], | |
1084 | widget_name); | |
1085 | if (ret < 0) | |
1086 | return ret; | |
1087 | i++; | |
79f4e922 | 1088 | |
754695f9 JK |
1089 | /* For cvt to pin_mux mapping */ |
1090 | num_routes += hdmi->num_cvt; | |
79f4e922 | 1091 | |
754695f9 JK |
1092 | /* For pin_mux to pin mapping */ |
1093 | num_routes++; | |
1094 | } | |
79f4e922 SP |
1095 | } |
1096 | ||
1097 | route = devm_kzalloc(dapm->dev, (sizeof(*route) * num_routes), | |
1098 | GFP_KERNEL); | |
1099 | if (!route) | |
1100 | return -ENOMEM; | |
1101 | ||
1102 | i = 0; | |
1103 | /* Add pin <- NULL <- mux route map */ | |
1104 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
754695f9 JK |
1105 | for (j = 0; j < pin->num_ports; j++) { |
1106 | int sink_index = i + hdmi->num_cvt; | |
1107 | int src_index = sink_index + pin->num_ports * | |
1108 | hdmi->num_pin; | |
79f4e922 | 1109 | |
754695f9 | 1110 | hdac_hdmi_fill_route(&route[i], |
79f4e922 SP |
1111 | widgets[sink_index].name, NULL, |
1112 | widgets[src_index].name, NULL); | |
754695f9 JK |
1113 | i++; |
1114 | } | |
79f4e922 SP |
1115 | } |
1116 | ||
1117 | hdac_hdmi_add_pinmux_cvt_route(edev, widgets, route, i); | |
1118 | ||
1119 | snd_soc_dapm_new_controls(dapm, widgets, | |
754695f9 | 1120 | ((2 * hdmi->num_ports) + hdmi->num_cvt)); |
79f4e922 SP |
1121 | |
1122 | snd_soc_dapm_add_routes(dapm, route, num_routes); | |
1123 | snd_soc_dapm_new_widgets(dapm->card); | |
1124 | ||
1125 | return 0; | |
18382ead | 1126 | |
18382ead SP |
1127 | } |
1128 | ||
15b91447 | 1129 | static int hdac_hdmi_init_dai_map(struct hdac_ext_device *edev) |
18382ead | 1130 | { |
15b91447 | 1131 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
754695f9 | 1132 | struct hdac_hdmi_dai_port_map *dai_map; |
15b91447 | 1133 | struct hdac_hdmi_cvt *cvt; |
148569fd | 1134 | int dai_id = 0; |
18382ead | 1135 | |
148569fd | 1136 | if (list_empty(&hdmi->cvt_list)) |
15b91447 | 1137 | return -EINVAL; |
18382ead | 1138 | |
148569fd SP |
1139 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { |
1140 | dai_map = &hdmi->dai_map[dai_id]; | |
1141 | dai_map->dai_id = dai_id; | |
1142 | dai_map->cvt = cvt; | |
18382ead | 1143 | |
148569fd | 1144 | dai_id++; |
18382ead | 1145 | |
148569fd SP |
1146 | if (dai_id == HDA_MAX_CVTS) { |
1147 | dev_warn(&edev->hdac.dev, | |
1148 | "Max dais supported: %d\n", dai_id); | |
1149 | break; | |
1150 | } | |
1151 | } | |
18382ead | 1152 | |
15b91447 SP |
1153 | return 0; |
1154 | } | |
1155 | ||
1156 | static int hdac_hdmi_add_cvt(struct hdac_ext_device *edev, hda_nid_t nid) | |
1157 | { | |
1158 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1159 | struct hdac_hdmi_cvt *cvt; | |
4a3478de | 1160 | char name[NAME_SIZE]; |
15b91447 SP |
1161 | |
1162 | cvt = kzalloc(sizeof(*cvt), GFP_KERNEL); | |
1163 | if (!cvt) | |
1164 | return -ENOMEM; | |
1165 | ||
1166 | cvt->nid = nid; | |
4a3478de JK |
1167 | sprintf(name, "cvt %d", cvt->nid); |
1168 | cvt->name = kstrdup(name, GFP_KERNEL); | |
15b91447 SP |
1169 | |
1170 | list_add_tail(&cvt->head, &hdmi->cvt_list); | |
1171 | hdmi->num_cvt++; | |
1172 | ||
1173 | return hdac_hdmi_query_cvt_params(&edev->hdac, cvt); | |
1174 | } | |
1175 | ||
754695f9 JK |
1176 | static int hdac_hdmi_parse_eld(struct hdac_ext_device *edev, |
1177 | struct hdac_hdmi_port *port) | |
b7756ede | 1178 | { |
f6fa11a3 ST |
1179 | unsigned int ver, mnl; |
1180 | ||
754695f9 | 1181 | ver = (port->eld.eld_buffer[DRM_ELD_VER] & DRM_ELD_VER_MASK) |
f6fa11a3 ST |
1182 | >> DRM_ELD_VER_SHIFT; |
1183 | ||
1184 | if (ver != ELD_VER_CEA_861D && ver != ELD_VER_PARTIAL) { | |
1185 | dev_err(&edev->hdac.dev, "HDMI: Unknown ELD version %d\n", ver); | |
1186 | return -EINVAL; | |
1187 | } | |
1188 | ||
754695f9 | 1189 | mnl = (port->eld.eld_buffer[DRM_ELD_CEA_EDID_VER_MNL] & |
f6fa11a3 ST |
1190 | DRM_ELD_MNL_MASK) >> DRM_ELD_MNL_SHIFT; |
1191 | ||
1192 | if (mnl > ELD_MAX_MNL) { | |
1193 | dev_err(&edev->hdac.dev, "HDMI: MNL Invalid %d\n", mnl); | |
1194 | return -EINVAL; | |
1195 | } | |
1196 | ||
754695f9 | 1197 | port->eld.info.spk_alloc = port->eld.eld_buffer[DRM_ELD_SPEAKER]; |
f6fa11a3 ST |
1198 | |
1199 | return 0; | |
b7756ede SP |
1200 | } |
1201 | ||
754695f9 JK |
1202 | static void hdac_hdmi_present_sense(struct hdac_hdmi_pin *pin, |
1203 | struct hdac_hdmi_port *port) | |
b8a54545 SP |
1204 | { |
1205 | struct hdac_ext_device *edev = pin->edev; | |
4a3478de JK |
1206 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1207 | struct hdac_hdmi_pcm *pcm; | |
754695f9 | 1208 | int size = 0; |
2acd8309 | 1209 | int port_id = -1; |
754695f9 JK |
1210 | |
1211 | if (!hdmi) | |
1212 | return; | |
b8a54545 | 1213 | |
2acd8309 JK |
1214 | /* |
1215 | * In case of non MST pin, get_eld info API expectes port | |
1216 | * to be -1. | |
1217 | */ | |
f6fa11a3 | 1218 | mutex_lock(&hdmi->pin_mutex); |
754695f9 | 1219 | port->eld.monitor_present = false; |
b8a54545 | 1220 | |
2acd8309 JK |
1221 | if (pin->mst_capable) |
1222 | port_id = port->id; | |
1223 | ||
1224 | size = snd_hdac_acomp_get_eld(&edev->hdac, pin->nid, port_id, | |
754695f9 JK |
1225 | &port->eld.monitor_present, |
1226 | port->eld.eld_buffer, | |
f6fa11a3 | 1227 | ELD_MAX_SIZE); |
b8a54545 | 1228 | |
f6fa11a3 ST |
1229 | if (size > 0) { |
1230 | size = min(size, ELD_MAX_SIZE); | |
754695f9 | 1231 | if (hdac_hdmi_parse_eld(edev, port) < 0) |
f6fa11a3 ST |
1232 | size = -EINVAL; |
1233 | } | |
4a3478de | 1234 | |
f6fa11a3 | 1235 | if (size > 0) { |
754695f9 JK |
1236 | port->eld.eld_valid = true; |
1237 | port->eld.eld_size = size; | |
f6fa11a3 | 1238 | } else { |
754695f9 JK |
1239 | port->eld.eld_valid = false; |
1240 | port->eld.eld_size = 0; | |
f6fa11a3 | 1241 | } |
b8a54545 | 1242 | |
754695f9 | 1243 | pcm = hdac_hdmi_get_pcm(edev, port); |
4a3478de | 1244 | |
754695f9 | 1245 | if (!port->eld.monitor_present || !port->eld.eld_valid) { |
b8a54545 | 1246 | |
e0e5d3e5 | 1247 | dev_err(&edev->hdac.dev, "%s: disconnect for pin:port %d:%d\n", |
754695f9 | 1248 | __func__, pin->nid, port->id); |
4a3478de JK |
1249 | |
1250 | /* | |
1251 | * PCMs are not registered during device probe, so don't | |
1252 | * report jack here. It will be done in usermode mux | |
1253 | * control select. | |
1254 | */ | |
e0e5d3e5 JK |
1255 | if (pcm) |
1256 | hdac_hdmi_jack_report(pcm, port, false); | |
4a3478de JK |
1257 | |
1258 | mutex_unlock(&hdmi->pin_mutex); | |
f6fa11a3 | 1259 | return; |
b8a54545 SP |
1260 | } |
1261 | ||
754695f9 | 1262 | if (port->eld.monitor_present && port->eld.eld_valid) { |
e0e5d3e5 JK |
1263 | if (pcm) |
1264 | hdac_hdmi_jack_report(pcm, port, true); | |
f6fa11a3 ST |
1265 | |
1266 | print_hex_dump_debug("ELD: ", DUMP_PREFIX_OFFSET, 16, 1, | |
754695f9 | 1267 | port->eld.eld_buffer, port->eld.eld_size, false); |
b8a54545 | 1268 | |
754695f9 | 1269 | } |
4a3478de | 1270 | mutex_unlock(&hdmi->pin_mutex); |
b8a54545 SP |
1271 | } |
1272 | ||
754695f9 JK |
1273 | static int hdac_hdmi_add_ports(struct hdac_hdmi_priv *hdmi, |
1274 | struct hdac_hdmi_pin *pin) | |
1275 | { | |
1276 | struct hdac_hdmi_port *ports; | |
1277 | int max_ports = HDA_MAX_PORTS; | |
1278 | int i; | |
1279 | ||
1280 | /* | |
1281 | * FIXME: max_port may vary for each platform, so pass this as | |
1282 | * as driver data or query from i915 interface when this API is | |
1283 | * implemented. | |
1284 | */ | |
1285 | ||
1286 | ports = kcalloc(max_ports, sizeof(*ports), GFP_KERNEL); | |
1287 | if (!ports) | |
1288 | return -ENOMEM; | |
1289 | ||
1290 | for (i = 0; i < max_ports; i++) { | |
1291 | ports[i].id = i; | |
1292 | ports[i].pin = pin; | |
1293 | } | |
1294 | pin->ports = ports; | |
1295 | pin->num_ports = max_ports; | |
1296 | return 0; | |
1297 | } | |
1298 | ||
15b91447 SP |
1299 | static int hdac_hdmi_add_pin(struct hdac_ext_device *edev, hda_nid_t nid) |
1300 | { | |
1301 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1302 | struct hdac_hdmi_pin *pin; | |
754695f9 | 1303 | int ret; |
15b91447 SP |
1304 | |
1305 | pin = kzalloc(sizeof(*pin), GFP_KERNEL); | |
1306 | if (!pin) | |
1307 | return -ENOMEM; | |
1308 | ||
1309 | pin->nid = nid; | |
2acd8309 | 1310 | pin->mst_capable = false; |
754695f9 JK |
1311 | pin->edev = edev; |
1312 | ret = hdac_hdmi_add_ports(hdmi, pin); | |
1313 | if (ret < 0) | |
1314 | return ret; | |
15b91447 SP |
1315 | |
1316 | list_add_tail(&pin->head, &hdmi->pin_list); | |
1317 | hdmi->num_pin++; | |
754695f9 | 1318 | hdmi->num_ports += pin->num_ports; |
b8a54545 | 1319 | |
15b91447 | 1320 | return 0; |
18382ead SP |
1321 | } |
1322 | ||
211caab7 SP |
1323 | #define INTEL_VENDOR_NID 0x08 |
1324 | #define INTEL_GET_VENDOR_VERB 0xf81 | |
1325 | #define INTEL_SET_VENDOR_VERB 0x781 | |
1326 | #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ | |
1327 | #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ | |
1328 | ||
1329 | static void hdac_hdmi_skl_enable_all_pins(struct hdac_device *hdac) | |
1330 | { | |
1331 | unsigned int vendor_param; | |
1332 | ||
1333 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1334 | INTEL_GET_VENDOR_VERB, 0); | |
1335 | if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) | |
1336 | return; | |
1337 | ||
1338 | vendor_param |= INTEL_EN_ALL_PIN_CVTS; | |
1339 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1340 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1341 | if (vendor_param == -1) | |
1342 | return; | |
1343 | } | |
1344 | ||
1345 | static void hdac_hdmi_skl_enable_dp12(struct hdac_device *hdac) | |
1346 | { | |
1347 | unsigned int vendor_param; | |
1348 | ||
1349 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1350 | INTEL_GET_VENDOR_VERB, 0); | |
1351 | if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) | |
1352 | return; | |
1353 | ||
1354 | /* enable DP1.2 mode */ | |
1355 | vendor_param |= INTEL_EN_DP12; | |
1356 | vendor_param = snd_hdac_codec_read(hdac, INTEL_VENDOR_NID, 0, | |
1357 | INTEL_SET_VENDOR_VERB, vendor_param); | |
1358 | if (vendor_param == -1) | |
1359 | return; | |
1360 | ||
1361 | } | |
1362 | ||
17a42c45 SP |
1363 | static struct snd_soc_dai_ops hdmi_dai_ops = { |
1364 | .startup = hdac_hdmi_pcm_open, | |
1365 | .shutdown = hdac_hdmi_pcm_close, | |
1366 | .hw_params = hdac_hdmi_set_hw_params, | |
c9bfb5d7 | 1367 | .set_tdm_slot = hdac_hdmi_set_tdm_slot, |
17a42c45 SP |
1368 | }; |
1369 | ||
1370 | /* | |
1371 | * Each converter can support a stream independently. So a dai is created | |
1372 | * based on the number of converter queried. | |
1373 | */ | |
1374 | static int hdac_hdmi_create_dais(struct hdac_device *hdac, | |
1375 | struct snd_soc_dai_driver **dais, | |
1376 | struct hdac_hdmi_priv *hdmi, int num_dais) | |
1377 | { | |
1378 | struct snd_soc_dai_driver *hdmi_dais; | |
1379 | struct hdac_hdmi_cvt *cvt; | |
1380 | char name[NAME_SIZE], dai_name[NAME_SIZE]; | |
1381 | int i = 0; | |
1382 | u32 rates, bps; | |
1383 | unsigned int rate_max = 384000, rate_min = 8000; | |
1384 | u64 formats; | |
1385 | int ret; | |
1386 | ||
1387 | hdmi_dais = devm_kzalloc(&hdac->dev, | |
1388 | (sizeof(*hdmi_dais) * num_dais), | |
1389 | GFP_KERNEL); | |
1390 | if (!hdmi_dais) | |
1391 | return -ENOMEM; | |
1392 | ||
1393 | list_for_each_entry(cvt, &hdmi->cvt_list, head) { | |
1394 | ret = snd_hdac_query_supported_pcm(hdac, cvt->nid, | |
1395 | &rates, &formats, &bps); | |
1396 | if (ret) | |
1397 | return ret; | |
1398 | ||
1399 | sprintf(dai_name, "intel-hdmi-hifi%d", i+1); | |
1400 | hdmi_dais[i].name = devm_kstrdup(&hdac->dev, | |
1401 | dai_name, GFP_KERNEL); | |
1402 | ||
1403 | if (!hdmi_dais[i].name) | |
1404 | return -ENOMEM; | |
1405 | ||
1406 | snprintf(name, sizeof(name), "hifi%d", i+1); | |
1407 | hdmi_dais[i].playback.stream_name = | |
1408 | devm_kstrdup(&hdac->dev, name, GFP_KERNEL); | |
1409 | if (!hdmi_dais[i].playback.stream_name) | |
1410 | return -ENOMEM; | |
1411 | ||
1412 | /* | |
1413 | * Set caps based on capability queried from the converter. | |
1414 | * It will be constrained runtime based on ELD queried. | |
1415 | */ | |
1416 | hdmi_dais[i].playback.formats = formats; | |
1417 | hdmi_dais[i].playback.rates = rates; | |
1418 | hdmi_dais[i].playback.rate_max = rate_max; | |
1419 | hdmi_dais[i].playback.rate_min = rate_min; | |
1420 | hdmi_dais[i].playback.channels_min = 2; | |
1421 | hdmi_dais[i].playback.channels_max = 2; | |
66d6bbc6 | 1422 | hdmi_dais[i].playback.sig_bits = bps; |
17a42c45 | 1423 | hdmi_dais[i].ops = &hdmi_dai_ops; |
17a42c45 SP |
1424 | i++; |
1425 | } | |
1426 | ||
1427 | *dais = hdmi_dais; | |
1428 | ||
1429 | return 0; | |
1430 | } | |
1431 | ||
18382ead SP |
1432 | /* |
1433 | * Parse all nodes and store the cvt/pin nids in array | |
1434 | * Add one time initialization for pin and cvt widgets | |
1435 | */ | |
17a42c45 SP |
1436 | static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev, |
1437 | struct snd_soc_dai_driver **dais, int *num_dais) | |
18382ead SP |
1438 | { |
1439 | hda_nid_t nid; | |
3c83ac23 | 1440 | int i, num_nodes; |
18382ead SP |
1441 | struct hdac_device *hdac = &edev->hdac; |
1442 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
15b91447 | 1443 | int ret; |
18382ead | 1444 | |
211caab7 SP |
1445 | hdac_hdmi_skl_enable_all_pins(hdac); |
1446 | hdac_hdmi_skl_enable_dp12(hdac); | |
1447 | ||
3c83ac23 | 1448 | num_nodes = snd_hdac_get_sub_nodes(hdac, hdac->afg, &nid); |
541140d4 | 1449 | if (!nid || num_nodes <= 0) { |
18382ead SP |
1450 | dev_warn(&hdac->dev, "HDMI: failed to get afg sub nodes\n"); |
1451 | return -EINVAL; | |
1452 | } | |
1453 | ||
3c83ac23 | 1454 | hdac->num_nodes = num_nodes; |
18382ead SP |
1455 | hdac->start_nid = nid; |
1456 | ||
1457 | for (i = 0; i < hdac->num_nodes; i++, nid++) { | |
1458 | unsigned int caps; | |
1459 | unsigned int type; | |
1460 | ||
1461 | caps = get_wcaps(hdac, nid); | |
1462 | type = get_wcaps_type(caps); | |
1463 | ||
1464 | if (!(caps & AC_WCAP_DIGITAL)) | |
1465 | continue; | |
1466 | ||
1467 | switch (type) { | |
1468 | ||
1469 | case AC_WID_AUD_OUT: | |
15b91447 SP |
1470 | ret = hdac_hdmi_add_cvt(edev, nid); |
1471 | if (ret < 0) | |
1472 | return ret; | |
18382ead SP |
1473 | break; |
1474 | ||
1475 | case AC_WID_PIN: | |
15b91447 SP |
1476 | ret = hdac_hdmi_add_pin(edev, nid); |
1477 | if (ret < 0) | |
1478 | return ret; | |
18382ead SP |
1479 | break; |
1480 | } | |
1481 | } | |
1482 | ||
1483 | hdac->end_nid = nid; | |
1484 | ||
15b91447 | 1485 | if (!hdmi->num_pin || !hdmi->num_cvt) |
18382ead SP |
1486 | return -EIO; |
1487 | ||
17a42c45 SP |
1488 | ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt); |
1489 | if (ret) { | |
1490 | dev_err(&hdac->dev, "Failed to create dais with err: %d\n", | |
1491 | ret); | |
1492 | return ret; | |
1493 | } | |
1494 | ||
1495 | *num_dais = hdmi->num_cvt; | |
1496 | ||
15b91447 | 1497 | return hdac_hdmi_init_dai_map(edev); |
18382ead SP |
1498 | } |
1499 | ||
f9318941 | 1500 | static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe) |
b8a54545 SP |
1501 | { |
1502 | struct hdac_ext_device *edev = aptr; | |
1503 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
754695f9 JK |
1504 | struct hdac_hdmi_pin *pin = NULL; |
1505 | struct hdac_hdmi_port *hport = NULL; | |
b8a54545 | 1506 | struct snd_soc_codec *codec = edev->scodec; |
2acd8309 | 1507 | int i; |
b8a54545 SP |
1508 | |
1509 | /* Don't know how this mapping is derived */ | |
1510 | hda_nid_t pin_nid = port + 0x04; | |
1511 | ||
754695f9 JK |
1512 | dev_dbg(&edev->hdac.dev, "%s: for pin:%d port=%d\n", __func__, |
1513 | pin_nid, pipe); | |
b8a54545 SP |
1514 | |
1515 | /* | |
1516 | * skip notification during system suspend (but not in runtime PM); | |
1517 | * the state will be updated at resume. Also since the ELD and | |
1518 | * connection states are updated in anyway at the end of the resume, | |
1519 | * we can skip it when received during PM process. | |
1520 | */ | |
1521 | if (snd_power_get_state(codec->component.card->snd_card) != | |
1522 | SNDRV_CTL_POWER_D0) | |
1523 | return; | |
1524 | ||
1525 | if (atomic_read(&edev->hdac.in_pm)) | |
1526 | return; | |
1527 | ||
1528 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
754695f9 JK |
1529 | if (pin->nid != pin_nid) |
1530 | continue; | |
1531 | ||
1532 | /* In case of non MST pin, pipe is -1 */ | |
1533 | if (pipe == -1) { | |
2acd8309 | 1534 | pin->mst_capable = false; |
754695f9 JK |
1535 | /* if not MST, default is port[0] */ |
1536 | hport = &pin->ports[0]; | |
2acd8309 JK |
1537 | } else { |
1538 | for (i = 0; i < pin->num_ports; i++) { | |
1539 | pin->mst_capable = true; | |
1540 | if (pin->ports[i].id == pipe) { | |
1541 | hport = &pin->ports[i]; | |
04c8f2bf | 1542 | break; |
2acd8309 JK |
1543 | } |
1544 | } | |
754695f9 | 1545 | } |
04c8f2bf JK |
1546 | |
1547 | if (hport) | |
1548 | hdac_hdmi_present_sense(pin, hport); | |
b8a54545 | 1549 | } |
754695f9 | 1550 | |
b8a54545 SP |
1551 | } |
1552 | ||
1553 | static struct i915_audio_component_audio_ops aops = { | |
1554 | .pin_eld_notify = hdac_hdmi_eld_notify_cb, | |
1555 | }; | |
1556 | ||
2889099e SP |
1557 | static struct snd_pcm *hdac_hdmi_get_pcm_from_id(struct snd_soc_card *card, |
1558 | int device) | |
1559 | { | |
1560 | struct snd_soc_pcm_runtime *rtd; | |
1561 | ||
1562 | list_for_each_entry(rtd, &card->rtd_list, list) { | |
1563 | if (rtd->pcm && (rtd->pcm->device == device)) | |
1564 | return rtd->pcm; | |
1565 | } | |
1566 | ||
1567 | return NULL; | |
1568 | } | |
1569 | ||
0324e51b JK |
1570 | /* create jack pin kcontrols */ |
1571 | static int create_fill_jack_kcontrols(struct snd_soc_card *card, | |
1572 | struct hdac_ext_device *edev) | |
1573 | { | |
1574 | struct hdac_hdmi_pin *pin; | |
1575 | struct snd_kcontrol_new *kc; | |
1576 | char kc_name[NAME_SIZE], xname[NAME_SIZE]; | |
1577 | char *name; | |
1578 | int i = 0, j; | |
1579 | struct snd_soc_codec *codec = edev->scodec; | |
1580 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1581 | ||
1582 | kc = devm_kcalloc(codec->dev, hdmi->num_ports, | |
1583 | sizeof(*kc), GFP_KERNEL); | |
1584 | ||
1585 | if (!kc) | |
1586 | return -ENOMEM; | |
1587 | ||
1588 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1589 | for (j = 0; j < pin->num_ports; j++) { | |
1590 | snprintf(xname, sizeof(xname), "hif%d-%d Jack", | |
1591 | pin->nid, pin->ports[j].id); | |
1592 | name = devm_kstrdup(codec->dev, xname, GFP_KERNEL); | |
1593 | if (!name) | |
1594 | return -ENOMEM; | |
1595 | snprintf(kc_name, sizeof(kc_name), "%s Switch", xname); | |
1596 | kc[i].name = devm_kstrdup(codec->dev, kc_name, | |
1597 | GFP_KERNEL); | |
1598 | if (!kc[i].name) | |
1599 | return -ENOMEM; | |
1600 | ||
1601 | kc[i].private_value = (unsigned long)name; | |
1602 | kc[i].iface = SNDRV_CTL_ELEM_IFACE_MIXER; | |
1603 | kc[i].access = 0; | |
1604 | kc[i].info = snd_soc_dapm_info_pin_switch; | |
1605 | kc[i].put = snd_soc_dapm_put_pin_switch; | |
1606 | kc[i].get = snd_soc_dapm_get_pin_switch; | |
1607 | i++; | |
1608 | } | |
1609 | } | |
1610 | ||
1611 | return snd_soc_add_card_controls(card, kc, i); | |
1612 | } | |
1613 | ||
1614 | int hdac_hdmi_jack_port_init(struct snd_soc_codec *codec, | |
1615 | struct snd_soc_dapm_context *dapm) | |
1616 | { | |
1617 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1618 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1619 | struct hdac_hdmi_pin *pin; | |
1620 | struct snd_soc_dapm_widget *widgets; | |
1621 | struct snd_soc_dapm_route *route; | |
1622 | char w_name[NAME_SIZE]; | |
1623 | int i = 0, j, ret; | |
1624 | ||
1625 | widgets = devm_kcalloc(dapm->dev, hdmi->num_ports, | |
1626 | sizeof(*widgets), GFP_KERNEL); | |
1627 | ||
1628 | if (!widgets) | |
1629 | return -ENOMEM; | |
1630 | ||
1631 | route = devm_kcalloc(dapm->dev, hdmi->num_ports, | |
1632 | sizeof(*route), GFP_KERNEL); | |
1633 | if (!route) | |
1634 | return -ENOMEM; | |
1635 | ||
1636 | /* create Jack DAPM widget */ | |
1637 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1638 | for (j = 0; j < pin->num_ports; j++) { | |
1639 | snprintf(w_name, sizeof(w_name), "hif%d-%d Jack", | |
1640 | pin->nid, pin->ports[j].id); | |
1641 | ||
1642 | ret = hdac_hdmi_fill_widget_info(dapm->dev, &widgets[i], | |
1643 | snd_soc_dapm_spk, NULL, | |
1644 | w_name, NULL, NULL, 0, NULL, 0); | |
1645 | if (ret < 0) | |
1646 | return ret; | |
1647 | ||
1648 | pin->ports[j].jack_pin = widgets[i].name; | |
1649 | pin->ports[j].dapm = dapm; | |
1650 | ||
1651 | /* add to route from Jack widget to output */ | |
1652 | hdac_hdmi_fill_route(&route[i], pin->ports[j].jack_pin, | |
1653 | NULL, pin->ports[j].output_pin, NULL); | |
1654 | ||
1655 | i++; | |
1656 | } | |
1657 | } | |
1658 | ||
1659 | /* Add Route from Jack widget to the output widget */ | |
1660 | ret = snd_soc_dapm_new_controls(dapm, widgets, hdmi->num_ports); | |
1661 | if (ret < 0) | |
1662 | return ret; | |
1663 | ||
1664 | ret = snd_soc_dapm_add_routes(dapm, route, hdmi->num_ports); | |
1665 | if (ret < 0) | |
1666 | return ret; | |
1667 | ||
1668 | ret = snd_soc_dapm_new_widgets(dapm->card); | |
1669 | if (ret < 0) | |
1670 | return ret; | |
1671 | ||
1672 | /* Add Jack Pin switch Kcontrol */ | |
1673 | ret = create_fill_jack_kcontrols(dapm->card, edev); | |
1674 | ||
1675 | if (ret < 0) | |
1676 | return ret; | |
1677 | ||
1678 | /* default set the Jack Pin switch to OFF */ | |
1679 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1680 | for (j = 0; j < pin->num_ports; j++) | |
1681 | snd_soc_dapm_disable_pin(pin->ports[j].dapm, | |
1682 | pin->ports[j].jack_pin); | |
1683 | } | |
1684 | ||
1685 | return 0; | |
1686 | } | |
1687 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_port_init); | |
1688 | ||
62490016 JK |
1689 | int hdac_hdmi_jack_init(struct snd_soc_dai *dai, int device, |
1690 | struct snd_soc_jack *jack) | |
4a3478de | 1691 | { |
4a3478de JK |
1692 | struct snd_soc_codec *codec = dai->codec; |
1693 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
4a3478de JK |
1694 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1695 | struct hdac_hdmi_pcm *pcm; | |
2889099e SP |
1696 | struct snd_pcm *snd_pcm; |
1697 | int err; | |
4a3478de JK |
1698 | |
1699 | /* | |
1700 | * this is a new PCM device, create new pcm and | |
1701 | * add to the pcm list | |
1702 | */ | |
1703 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); | |
1704 | if (!pcm) | |
1705 | return -ENOMEM; | |
1706 | pcm->pcm_id = device; | |
1707 | pcm->cvt = hdmi->dai_map[dai->id].cvt; | |
e0e5d3e5 | 1708 | pcm->jack_event = 0; |
62490016 | 1709 | pcm->jack = jack; |
ab1eea19 | 1710 | mutex_init(&pcm->lock); |
e0e5d3e5 | 1711 | INIT_LIST_HEAD(&pcm->port_list); |
2889099e SP |
1712 | snd_pcm = hdac_hdmi_get_pcm_from_id(dai->component->card, device); |
1713 | if (snd_pcm) { | |
1714 | err = snd_hdac_add_chmap_ctls(snd_pcm, device, &hdmi->chmap); | |
1715 | if (err < 0) { | |
1716 | dev_err(&edev->hdac.dev, | |
1717 | "chmap control add failed with err: %d for pcm: %d\n", | |
1718 | err, device); | |
1719 | kfree(pcm); | |
1720 | return err; | |
1721 | } | |
1722 | } | |
1723 | ||
4a3478de JK |
1724 | list_add_tail(&pcm->head, &hdmi->pcm_list); |
1725 | ||
62490016 | 1726 | return 0; |
4a3478de JK |
1727 | } |
1728 | EXPORT_SYMBOL_GPL(hdac_hdmi_jack_init); | |
1729 | ||
a9ce96bc JK |
1730 | static void hdac_hdmi_present_sense_all_pins(struct hdac_ext_device *edev, |
1731 | struct hdac_hdmi_priv *hdmi, bool detect_pin_caps) | |
1732 | { | |
1733 | int i; | |
1734 | struct hdac_hdmi_pin *pin; | |
1735 | ||
1736 | list_for_each_entry(pin, &hdmi->pin_list, head) { | |
1737 | if (detect_pin_caps) { | |
1738 | ||
1739 | if (hdac_hdmi_get_port_len(edev, pin->nid) == 0) | |
1740 | pin->mst_capable = false; | |
1741 | else | |
1742 | pin->mst_capable = true; | |
1743 | } | |
1744 | ||
1745 | for (i = 0; i < pin->num_ports; i++) { | |
1746 | if (!pin->mst_capable && i > 0) | |
1747 | continue; | |
1748 | ||
1749 | hdac_hdmi_present_sense(pin, &pin->ports[i]); | |
1750 | } | |
1751 | } | |
1752 | } | |
1753 | ||
18382ead SP |
1754 | static int hdmi_codec_probe(struct snd_soc_codec *codec) |
1755 | { | |
1756 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1757 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1758 | struct snd_soc_dapm_context *dapm = | |
1759 | snd_soc_component_get_dapm(&codec->component); | |
b2047e99 | 1760 | struct hdac_ext_link *hlink = NULL; |
a9ce96bc | 1761 | int ret; |
18382ead SP |
1762 | |
1763 | edev->scodec = codec; | |
1764 | ||
b2047e99 VK |
1765 | /* |
1766 | * hold the ref while we probe, also no need to drop the ref on | |
1767 | * exit, we call pm_runtime_suspend() so that will do for us | |
1768 | */ | |
1769 | hlink = snd_hdac_ext_bus_get_link(edev->ebus, dev_name(&edev->hdac.dev)); | |
500e06b9 VK |
1770 | if (!hlink) { |
1771 | dev_err(&edev->hdac.dev, "hdac link not found\n"); | |
1772 | return -EIO; | |
1773 | } | |
1774 | ||
b2047e99 VK |
1775 | snd_hdac_ext_bus_link_get(edev->ebus, hlink); |
1776 | ||
79f4e922 SP |
1777 | ret = create_fill_widget_route_map(dapm); |
1778 | if (ret < 0) | |
1779 | return ret; | |
18382ead | 1780 | |
b8a54545 SP |
1781 | aops.audio_ptr = edev; |
1782 | ret = snd_hdac_i915_register_notifier(&aops); | |
1783 | if (ret < 0) { | |
1784 | dev_err(&edev->hdac.dev, "notifier register failed: err: %d\n", | |
1785 | ret); | |
1786 | return ret; | |
1787 | } | |
1788 | ||
a9ce96bc | 1789 | hdac_hdmi_present_sense_all_pins(edev, hdmi, true); |
18382ead SP |
1790 | /* Imp: Store the card pointer in hda_codec */ |
1791 | edev->card = dapm->card->snd_card; | |
1792 | ||
e342ac08 SP |
1793 | /* |
1794 | * hdac_device core already sets the state to active and calls | |
1795 | * get_noresume. So enable runtime and set the device to suspend. | |
1796 | */ | |
1797 | pm_runtime_enable(&edev->hdac.dev); | |
1798 | pm_runtime_put(&edev->hdac.dev); | |
1799 | pm_runtime_suspend(&edev->hdac.dev); | |
1800 | ||
1801 | return 0; | |
1802 | } | |
1803 | ||
1804 | static int hdmi_codec_remove(struct snd_soc_codec *codec) | |
1805 | { | |
1806 | struct hdac_ext_device *edev = snd_soc_codec_get_drvdata(codec); | |
1807 | ||
1808 | pm_runtime_disable(&edev->hdac.dev); | |
18382ead SP |
1809 | return 0; |
1810 | } | |
1811 | ||
571d5078 | 1812 | #ifdef CONFIG_PM |
1b377ccd SP |
1813 | static int hdmi_codec_prepare(struct device *dev) |
1814 | { | |
1815 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
1816 | struct hdac_device *hdac = &edev->hdac; | |
1817 | ||
1818 | pm_runtime_get_sync(&edev->hdac.dev); | |
1819 | ||
1820 | /* | |
1821 | * Power down afg. | |
1822 | * codec_read is preferred over codec_write to set the power state. | |
1823 | * This way verb is send to set the power state and response | |
1824 | * is received. So setting power state is ensured without using loop | |
1825 | * to read the state. | |
1826 | */ | |
1827 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, | |
1828 | AC_PWRST_D3); | |
1829 | ||
1830 | return 0; | |
1831 | } | |
1832 | ||
0fee1798 | 1833 | static void hdmi_codec_complete(struct device *dev) |
571d5078 | 1834 | { |
0fee1798 | 1835 | struct hdac_ext_device *edev = to_hda_ext_device(dev); |
571d5078 | 1836 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
571d5078 | 1837 | struct hdac_device *hdac = &edev->hdac; |
571d5078 JK |
1838 | |
1839 | /* Power up afg */ | |
1b377ccd SP |
1840 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, |
1841 | AC_PWRST_D0); | |
571d5078 | 1842 | |
1b377ccd SP |
1843 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
1844 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
571d5078 JK |
1845 | |
1846 | /* | |
1847 | * As the ELD notify callback request is not entertained while the | |
1848 | * device is in suspend state. Need to manually check detection of | |
a9ce96bc JK |
1849 | * all pins here. pin capablity change is not support, so use the |
1850 | * already set pin caps. | |
571d5078 | 1851 | */ |
a9ce96bc | 1852 | hdac_hdmi_present_sense_all_pins(edev, hdmi, false); |
571d5078 | 1853 | |
1b377ccd | 1854 | pm_runtime_put_sync(&edev->hdac.dev); |
571d5078 JK |
1855 | } |
1856 | #else | |
1b377ccd | 1857 | #define hdmi_codec_prepare NULL |
0fee1798 | 1858 | #define hdmi_codec_complete NULL |
571d5078 JK |
1859 | #endif |
1860 | ||
18382ead SP |
1861 | static struct snd_soc_codec_driver hdmi_hda_codec = { |
1862 | .probe = hdmi_codec_probe, | |
e342ac08 | 1863 | .remove = hdmi_codec_remove, |
18382ead SP |
1864 | .idle_bias_off = true, |
1865 | }; | |
1866 | ||
2889099e SP |
1867 | static void hdac_hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, |
1868 | unsigned char *chmap) | |
1869 | { | |
1870 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1871 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1872 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
2889099e | 1873 | |
ab1eea19 | 1874 | memcpy(chmap, pcm->chmap, ARRAY_SIZE(pcm->chmap)); |
2889099e SP |
1875 | } |
1876 | ||
1877 | static void hdac_hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, | |
1878 | unsigned char *chmap, int prepared) | |
1879 | { | |
1880 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1881 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1882 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
e0e5d3e5 JK |
1883 | struct hdac_hdmi_port *port; |
1884 | ||
1885 | if (list_empty(&pcm->port_list)) | |
1886 | return; | |
2889099e | 1887 | |
ab1eea19 JK |
1888 | mutex_lock(&pcm->lock); |
1889 | pcm->chmap_set = true; | |
1890 | memcpy(pcm->chmap, chmap, ARRAY_SIZE(pcm->chmap)); | |
e0e5d3e5 JK |
1891 | list_for_each_entry(port, &pcm->port_list, head) |
1892 | if (prepared) | |
1893 | hdac_hdmi_setup_audio_infoframe(edev, pcm, port); | |
ab1eea19 | 1894 | mutex_unlock(&pcm->lock); |
2889099e SP |
1895 | } |
1896 | ||
1897 | static bool is_hdac_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) | |
1898 | { | |
1899 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1900 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1901 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
2889099e | 1902 | |
e0e5d3e5 JK |
1903 | if (list_empty(&pcm->port_list)) |
1904 | return false; | |
1905 | ||
1906 | return true; | |
2889099e SP |
1907 | } |
1908 | ||
1909 | static int hdac_hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) | |
1910 | { | |
1911 | struct hdac_ext_device *edev = to_ehdac_device(hdac); | |
1912 | struct hdac_hdmi_priv *hdmi = edev->private_data; | |
1913 | struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx); | |
e0e5d3e5 JK |
1914 | struct hdac_hdmi_port *port; |
1915 | ||
1916 | if (list_empty(&pcm->port_list)) | |
1917 | return 0; | |
1918 | ||
1919 | port = list_first_entry(&pcm->port_list, struct hdac_hdmi_port, head); | |
1920 | ||
1921 | if (!port) | |
1922 | return 0; | |
2889099e | 1923 | |
754695f9 | 1924 | if (!port || !port->eld.eld_valid) |
2889099e SP |
1925 | return 0; |
1926 | ||
754695f9 | 1927 | return port->eld.info.spk_alloc; |
2889099e SP |
1928 | } |
1929 | ||
18382ead SP |
1930 | static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev) |
1931 | { | |
1932 | struct hdac_device *codec = &edev->hdac; | |
1933 | struct hdac_hdmi_priv *hdmi_priv; | |
17a42c45 | 1934 | struct snd_soc_dai_driver *hdmi_dais = NULL; |
b2047e99 | 1935 | struct hdac_ext_link *hlink = NULL; |
17a42c45 | 1936 | int num_dais = 0; |
18382ead SP |
1937 | int ret = 0; |
1938 | ||
b2047e99 VK |
1939 | /* hold the ref while we probe */ |
1940 | hlink = snd_hdac_ext_bus_get_link(edev->ebus, dev_name(&edev->hdac.dev)); | |
500e06b9 VK |
1941 | if (!hlink) { |
1942 | dev_err(&edev->hdac.dev, "hdac link not found\n"); | |
1943 | return -EIO; | |
1944 | } | |
1945 | ||
b2047e99 VK |
1946 | snd_hdac_ext_bus_link_get(edev->ebus, hlink); |
1947 | ||
18382ead SP |
1948 | hdmi_priv = devm_kzalloc(&codec->dev, sizeof(*hdmi_priv), GFP_KERNEL); |
1949 | if (hdmi_priv == NULL) | |
1950 | return -ENOMEM; | |
1951 | ||
1952 | edev->private_data = hdmi_priv; | |
bcced704 | 1953 | snd_hdac_register_chmap_ops(codec, &hdmi_priv->chmap); |
2889099e SP |
1954 | hdmi_priv->chmap.ops.get_chmap = hdac_hdmi_get_chmap; |
1955 | hdmi_priv->chmap.ops.set_chmap = hdac_hdmi_set_chmap; | |
1956 | hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached; | |
1957 | hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc; | |
18382ead SP |
1958 | |
1959 | dev_set_drvdata(&codec->dev, edev); | |
1960 | ||
15b91447 SP |
1961 | INIT_LIST_HEAD(&hdmi_priv->pin_list); |
1962 | INIT_LIST_HEAD(&hdmi_priv->cvt_list); | |
4a3478de JK |
1963 | INIT_LIST_HEAD(&hdmi_priv->pcm_list); |
1964 | mutex_init(&hdmi_priv->pin_mutex); | |
15b91447 | 1965 | |
aeaccef0 RB |
1966 | /* |
1967 | * Turned off in the runtime_suspend during the first explicit | |
1968 | * pm_runtime_suspend call. | |
1969 | */ | |
1970 | ret = snd_hdac_display_power(edev->hdac.bus, true); | |
1971 | if (ret < 0) { | |
1972 | dev_err(&edev->hdac.dev, | |
1973 | "Cannot turn on display power on i915 err: %d\n", | |
1974 | ret); | |
1975 | return ret; | |
1976 | } | |
1977 | ||
17a42c45 SP |
1978 | ret = hdac_hdmi_parse_and_map_nid(edev, &hdmi_dais, &num_dais); |
1979 | if (ret < 0) { | |
1980 | dev_err(&codec->dev, | |
1981 | "Failed in parse and map nid with err: %d\n", ret); | |
18382ead | 1982 | return ret; |
17a42c45 | 1983 | } |
18382ead SP |
1984 | |
1985 | /* ASoC specific initialization */ | |
b2047e99 VK |
1986 | ret = snd_soc_register_codec(&codec->dev, &hdmi_hda_codec, |
1987 | hdmi_dais, num_dais); | |
1988 | ||
1989 | snd_hdac_ext_bus_link_put(edev->ebus, hlink); | |
1990 | ||
1991 | return ret; | |
18382ead SP |
1992 | } |
1993 | ||
1994 | static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) | |
1995 | { | |
15b91447 SP |
1996 | struct hdac_hdmi_priv *hdmi = edev->private_data; |
1997 | struct hdac_hdmi_pin *pin, *pin_next; | |
1998 | struct hdac_hdmi_cvt *cvt, *cvt_next; | |
4a3478de | 1999 | struct hdac_hdmi_pcm *pcm, *pcm_next; |
2fe42dd0 | 2000 | struct hdac_hdmi_port *port, *port_next; |
754695f9 | 2001 | int i; |
15b91447 | 2002 | |
18382ead SP |
2003 | snd_soc_unregister_codec(&edev->hdac.dev); |
2004 | ||
4a3478de JK |
2005 | list_for_each_entry_safe(pcm, pcm_next, &hdmi->pcm_list, head) { |
2006 | pcm->cvt = NULL; | |
e0e5d3e5 JK |
2007 | if (list_empty(&pcm->port_list)) |
2008 | continue; | |
2009 | ||
2fe42dd0 JK |
2010 | list_for_each_entry_safe(port, port_next, |
2011 | &pcm->port_list, head) | |
2012 | list_del(&port->head); | |
e0e5d3e5 | 2013 | |
4a3478de JK |
2014 | list_del(&pcm->head); |
2015 | kfree(pcm); | |
2016 | } | |
2017 | ||
15b91447 SP |
2018 | list_for_each_entry_safe(cvt, cvt_next, &hdmi->cvt_list, head) { |
2019 | list_del(&cvt->head); | |
4a3478de | 2020 | kfree(cvt->name); |
15b91447 SP |
2021 | kfree(cvt); |
2022 | } | |
2023 | ||
2024 | list_for_each_entry_safe(pin, pin_next, &hdmi->pin_list, head) { | |
754695f9 JK |
2025 | for (i = 0; i < pin->num_ports; i++) |
2026 | pin->ports[i].pin = NULL; | |
2027 | kfree(pin->ports); | |
15b91447 SP |
2028 | list_del(&pin->head); |
2029 | kfree(pin); | |
2030 | } | |
2031 | ||
18382ead SP |
2032 | return 0; |
2033 | } | |
2034 | ||
e342ac08 SP |
2035 | #ifdef CONFIG_PM |
2036 | static int hdac_hdmi_runtime_suspend(struct device *dev) | |
2037 | { | |
2038 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
2039 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 2040 | struct hdac_bus *bus = hdac->bus; |
b2047e99 VK |
2041 | struct hdac_ext_bus *ebus = hbus_to_ebus(bus); |
2042 | struct hdac_ext_link *hlink = NULL; | |
07f083ab | 2043 | int err; |
e342ac08 SP |
2044 | |
2045 | dev_dbg(dev, "Enter: %s\n", __func__); | |
2046 | ||
07f083ab SP |
2047 | /* controller may not have been initialized for the first time */ |
2048 | if (!bus) | |
2049 | return 0; | |
2050 | ||
1b377ccd SP |
2051 | /* |
2052 | * Power down afg. | |
2053 | * codec_read is preferred over codec_write to set the power state. | |
2054 | * This way verb is send to set the power state and response | |
2055 | * is received. So setting power state is ensured without using loop | |
2056 | * to read the state. | |
2057 | */ | |
2058 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, | |
2059 | AC_PWRST_D3); | |
07f083ab SP |
2060 | err = snd_hdac_display_power(bus, false); |
2061 | if (err < 0) { | |
2062 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
2063 | return err; | |
2064 | } | |
2065 | ||
b2047e99 | 2066 | hlink = snd_hdac_ext_bus_get_link(ebus, dev_name(dev)); |
500e06b9 VK |
2067 | if (!hlink) { |
2068 | dev_err(dev, "hdac link not found\n"); | |
2069 | return -EIO; | |
2070 | } | |
2071 | ||
b2047e99 VK |
2072 | snd_hdac_ext_bus_link_put(ebus, hlink); |
2073 | ||
e342ac08 SP |
2074 | return 0; |
2075 | } | |
2076 | ||
2077 | static int hdac_hdmi_runtime_resume(struct device *dev) | |
2078 | { | |
2079 | struct hdac_ext_device *edev = to_hda_ext_device(dev); | |
2080 | struct hdac_device *hdac = &edev->hdac; | |
07f083ab | 2081 | struct hdac_bus *bus = hdac->bus; |
b2047e99 VK |
2082 | struct hdac_ext_bus *ebus = hbus_to_ebus(bus); |
2083 | struct hdac_ext_link *hlink = NULL; | |
07f083ab | 2084 | int err; |
e342ac08 SP |
2085 | |
2086 | dev_dbg(dev, "Enter: %s\n", __func__); | |
2087 | ||
07f083ab SP |
2088 | /* controller may not have been initialized for the first time */ |
2089 | if (!bus) | |
2090 | return 0; | |
2091 | ||
b2047e99 | 2092 | hlink = snd_hdac_ext_bus_get_link(ebus, dev_name(dev)); |
500e06b9 VK |
2093 | if (!hlink) { |
2094 | dev_err(dev, "hdac link not found\n"); | |
2095 | return -EIO; | |
2096 | } | |
2097 | ||
b2047e99 VK |
2098 | snd_hdac_ext_bus_link_get(ebus, hlink); |
2099 | ||
07f083ab SP |
2100 | err = snd_hdac_display_power(bus, true); |
2101 | if (err < 0) { | |
2102 | dev_err(bus->dev, "Cannot turn on display power on i915\n"); | |
2103 | return err; | |
2104 | } | |
2105 | ||
ab85f5b3 SP |
2106 | hdac_hdmi_skl_enable_all_pins(&edev->hdac); |
2107 | hdac_hdmi_skl_enable_dp12(&edev->hdac); | |
2108 | ||
e342ac08 | 2109 | /* Power up afg */ |
1b377ccd SP |
2110 | snd_hdac_codec_read(hdac, hdac->afg, 0, AC_VERB_SET_POWER_STATE, |
2111 | AC_PWRST_D0); | |
e342ac08 SP |
2112 | |
2113 | return 0; | |
2114 | } | |
2115 | #else | |
2116 | #define hdac_hdmi_runtime_suspend NULL | |
2117 | #define hdac_hdmi_runtime_resume NULL | |
2118 | #endif | |
2119 | ||
2120 | static const struct dev_pm_ops hdac_hdmi_pm = { | |
2121 | SET_RUNTIME_PM_OPS(hdac_hdmi_runtime_suspend, hdac_hdmi_runtime_resume, NULL) | |
1b377ccd | 2122 | .prepare = hdmi_codec_prepare, |
0fee1798 | 2123 | .complete = hdmi_codec_complete, |
e342ac08 SP |
2124 | }; |
2125 | ||
18382ead SP |
2126 | static const struct hda_device_id hdmi_list[] = { |
2127 | HDA_CODEC_EXT_ENTRY(0x80862809, 0x100000, "Skylake HDMI", 0), | |
e2304803 | 2128 | HDA_CODEC_EXT_ENTRY(0x8086280a, 0x100000, "Broxton HDMI", 0), |
cc216887 | 2129 | HDA_CODEC_EXT_ENTRY(0x8086280b, 0x100000, "Kabylake HDMI", 0), |
e3efb2ad | 2130 | HDA_CODEC_EXT_ENTRY(0x8086280d, 0x100000, "Geminilake HDMI", 0), |
18382ead SP |
2131 | {} |
2132 | }; | |
2133 | ||
2134 | MODULE_DEVICE_TABLE(hdaudio, hdmi_list); | |
2135 | ||
2136 | static struct hdac_ext_driver hdmi_driver = { | |
2137 | . hdac = { | |
2138 | .driver = { | |
2139 | .name = "HDMI HDA Codec", | |
e342ac08 | 2140 | .pm = &hdac_hdmi_pm, |
18382ead SP |
2141 | }, |
2142 | .id_table = hdmi_list, | |
2143 | }, | |
2144 | .probe = hdac_hdmi_dev_probe, | |
2145 | .remove = hdac_hdmi_dev_remove, | |
2146 | }; | |
2147 | ||
2148 | static int __init hdmi_init(void) | |
2149 | { | |
2150 | return snd_hda_ext_driver_register(&hdmi_driver); | |
2151 | } | |
2152 | ||
2153 | static void __exit hdmi_exit(void) | |
2154 | { | |
2155 | snd_hda_ext_driver_unregister(&hdmi_driver); | |
2156 | } | |
2157 | ||
2158 | module_init(hdmi_init); | |
2159 | module_exit(hdmi_exit); | |
2160 | ||
2161 | MODULE_LICENSE("GPL v2"); | |
2162 | MODULE_DESCRIPTION("HDMI HD codec"); | |
2163 | MODULE_AUTHOR("Samreen Nilofer<samreen.nilofer@intel.com>"); | |
2164 | MODULE_AUTHOR("Subhransu S. Prusty<subhransu.s.prusty@intel.com>"); |