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Message-ID: <202312110337.uzelx86z-lkp@intel.com>
Date: Mon, 11 Dec 2023 04:05:38 +0800
From: kernel test robot <lkp@...el.com>
To: Neil Armstrong <neil.armstrong@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzk@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
linux-arm-msm@...r.kernel.org, linux-usb@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH 2/2] usb: typec: mux: add Qualcomm WCD939X USB SubSystem
Altmode Mux driver
Hi Neil,
kernel test robot noticed the following build errors:
[auto build test ERROR on bc63de6e6ba0b16652c5fb4b9c9916b9e7ca1f23]
url: https://github.com/intel-lab-lkp/linux/commits/Neil-Armstrong/dt-bindings-usb-Document-WCD939x-USB-SubSystem-Altmode-Analog-Audio-Switch/20231208-232926
base: bc63de6e6ba0b16652c5fb4b9c9916b9e7ca1f23
patch link: https://lore.kernel.org/r/20231208-topic-sm8650-upstream-wcd939x-usbss-v1-2-91d1ba680fe0%40linaro.org
patch subject: [PATCH 2/2] usb: typec: mux: add Qualcomm WCD939X USB SubSystem Altmode Mux driver
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231211/202312110337.uzelx86z-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231211/202312110337.uzelx86z-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312110337.uzelx86z-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/usb/typec/mux/wcd939x-usbss.c:353:7: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
FIELD_PREP(WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
^
drivers/usb/typec/mux/wcd939x-usbss.c:456:6: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
FIELD_PREP(WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
^
>> drivers/usb/typec/mux/wcd939x-usbss.c:602:22: error: call to undeclared function 'devm_gpiod_get_optional'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
usbss->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
^
drivers/usb/typec/mux/wcd939x-usbss.c:602:22: note: did you mean 'devm_regulator_get_optional'?
include/linux/regulator/consumer.h:163:32: note: 'devm_regulator_get_optional' declared here
struct regulator *__must_check devm_regulator_get_optional(struct device *dev,
^
>> drivers/usb/typec/mux/wcd939x-usbss.c:602:60: error: use of undeclared identifier 'GPIOD_OUT_LOW'
usbss->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
^
>> drivers/usb/typec/mux/wcd939x-usbss.c:627:2: error: call to undeclared function 'gpiod_set_value'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
gpiod_set_value(usbss->reset_gpio, 1);
^
drivers/usb/typec/mux/wcd939x-usbss.c:650:6: error: call to undeclared function 'FIELD_PREP'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
FIELD_PREP(WCD_USBSS_FUNCTION_ENABLE_SOURCE_SELECT,
^
6 errors generated.
vim +/FIELD_PREP +353 drivers/usb/typec/mux/wcd939x-usbss.c
237
238 static int wcd939x_usbss_set(struct wcd939x_usbss *usbss)
239 {
240 bool reverse = (usbss->orientation == TYPEC_ORIENTATION_REVERSE);
241 bool enable_audio = false;
242 bool enable_usb = false;
243 bool enable_dp = false;
244 int ret;
245
246 /* USB Mode */
247 if (usbss->mode < TYPEC_STATE_MODAL ||
248 (!usbss->svid && (usbss->mode == TYPEC_MODE_USB2 ||
249 usbss->mode == TYPEC_MODE_USB3))) {
250 enable_usb = true;
251 } else if (usbss->svid) {
252 switch (usbss->mode) {
253 /* DP Only */
254 case TYPEC_DP_STATE_C:
255 case TYPEC_DP_STATE_E:
256 enable_dp = true;
257 break;
258
259 /* DP + USB */
260 case TYPEC_DP_STATE_D:
261 case TYPEC_DP_STATE_F:
262 enable_usb = true;
263 enable_dp = true;
264 break;
265
266 default:
267 return -EOPNOTSUPP;
268 }
269 } else if (usbss->mode == TYPEC_MODE_AUDIO) {
270 enable_audio = true;
271 } else {
272 return -EOPNOTSUPP;
273 }
274
275 /* Disable all switches */
276 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
277 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DP_AUXP_TO_MGX_SWITCHES |
278 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DP_AUXM_TO_MGX_SWITCHES |
279 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DPR_SWITCHES |
280 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DNL_SWITCHES |
281 WCD_USBSS_SWITCH_SETTINGS_ENABLE_SENSE_SWITCHES |
282 WCD_USBSS_SWITCH_SETTINGS_ENABLE_MIC_SWITCHES |
283 WCD_USBSS_SWITCH_SETTINGS_ENABLE_AGND_SWITCHES);
284 if (ret)
285 return ret;
286
287 /* Clear switches */
288 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
289 WCD_USBSS_SWITCH_SELECT0_DP_AUXP_SWITCHES |
290 WCD_USBSS_SWITCH_SELECT0_DP_AUXM_SWITCHES |
291 WCD_USBSS_SWITCH_SELECT0_DPR_SWITCHES |
292 WCD_USBSS_SWITCH_SELECT0_DNL_SWITCHES |
293 WCD_USBSS_SWITCH_SELECT0_SENSE_SWITCHES |
294 WCD_USBSS_SWITCH_SELECT0_MIC_SWITCHES);
295 if (ret)
296 return ret;
297
298 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT1,
299 WCD_USBSS_SWITCH_SELECT1_AGND_SWITCHES);
300 if (ret)
301 return ret;
302
303 /* Enable OVP_MG1_BIAS PCOMP_DYN_BST_EN */
304 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_MG1_BIAS,
305 WCD_USBSS_MG1_BIAS_PCOMP_DYN_BST_EN);
306 if (ret)
307 return ret;
308
309 /* Enable OVP_MG2_BIAS PCOMP_DYN_BST_EN */
310 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_MG2_BIAS,
311 WCD_USBSS_MG2_BIAS_PCOMP_DYN_BST_EN);
312 if (ret)
313 return ret;
314
315 /* Disable Equalizer in safe mode */
316 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_EQUALIZER1,
317 WCD_USBSS_EQUALIZER1_EQ_EN);
318 if (ret)
319 return ret;
320
321 /* Start FSM with all disabled, force write */
322 ret = regmap_write_bits(usbss->regmap, WCD_USBSS_AUDIO_FSM_START,
323 WCD_USBSS_AUDIO_FSM_START_AUDIO_FSM_AUDIO_TRIG,
324 WCD_USBSS_AUDIO_FSM_START_AUDIO_FSM_AUDIO_TRIG);
325
326 /* 35us to allow the SBU switch to turn off */
327 usleep_range(35, 1000);
328
329 /* Setup Audio Accessory mux/switch */
330 if (enable_audio) {
331 int i;
332
333 /*
334 * AATC switch configuration:
335 * "Normal":
336 * - R: DNR
337 * - L: DNL
338 * - Sense: GSBU2
339 * - Mic: MG1
340 * - AGND: MG2
341 * "Swapped":
342 * - R: DNR
343 * - L: DNL
344 * - Sense: GSBU1
345 * - Mic: MG2
346 * - AGND: MG1
347 * Swapped information is given by the codec MBHC logic
348 */
349
350 /* Set AATC mode */
351 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_USB_SS_CNTL,
352 WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
> 353 FIELD_PREP(WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
354 WCD_USBSS_USB_SS_CNTL_USB_SS_MODE_AATC));
355 if (ret)
356 return ret;
357
358 /* Select L for DNL_SWITCHES and R for DPR_SWITCHES */
359 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
360 WCD_USBSS_SWITCH_SELECT0_DPR_SWITCHES |
361 WCD_USBSS_SWITCH_SELECT0_DNL_SWITCHES,
362 FIELD_PREP(WCD_USBSS_SWITCH_SELECT0_DNL_SWITCHES,
363 WCD_USBSS_SWITCH_SELECT0_DNL_SWITCH_L) |
364 FIELD_PREP(WCD_USBSS_SWITCH_SELECT0_DPR_SWITCHES,
365 WCD_USBSS_SWITCH_SELECT0_DPR_SWITCH_R));
366 if (ret)
367 return ret;
368
369 if (reverse)
370 /* Select MG2 for MIC, SBU1 for Sense */
371 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
372 WCD_USBSS_SWITCH_SELECT0_MIC_SWITCHES,
373 WCD_USBSS_SWITCH_SELECT0_MIC_SWITCHES);
374 else
375 /* Select MG1 for MIC, SBU2 for Sense */
376 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
377 WCD_USBSS_SWITCH_SELECT0_SENSE_SWITCHES,
378 WCD_USBSS_SWITCH_SELECT0_SENSE_SWITCHES);
379 if (ret)
380 return ret;
381
382 if (reverse)
383 /* Disable OVP_MG1_BIAS PCOMP_DYN_BST_EN */
384 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_MG1_BIAS,
385 WCD_USBSS_MG1_BIAS_PCOMP_DYN_BST_EN);
386 else
387 /* Disable OVP_MG2_BIAS PCOMP_DYN_BST_EN */
388 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_MG2_BIAS,
389 WCD_USBSS_MG2_BIAS_PCOMP_DYN_BST_EN);
390 if (ret)
391 return ret;
392
393 /* Enable SENSE, MIC switches */
394 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
395 WCD_USBSS_SWITCH_SETTINGS_ENABLE_SENSE_SWITCHES |
396 WCD_USBSS_SWITCH_SETTINGS_ENABLE_MIC_SWITCHES);
397 if (ret)
398 return ret;
399
400 if (reverse)
401 /* Select MG1 for AGND_SWITCHES */
402 ret = regmap_clear_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT1,
403 WCD_USBSS_SWITCH_SELECT1_AGND_SWITCHES);
404 else
405 /* Select MG2 for AGND_SWITCHES */
406 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT1,
407 WCD_USBSS_SWITCH_SELECT1_AGND_SWITCHES);
408 if (ret)
409 return ret;
410
411 /* Enable AGND switches */
412 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
413 WCD_USBSS_SWITCH_SETTINGS_ENABLE_AGND_SWITCHES);
414 if (ret)
415 return ret;
416
417 /* Enable DPR, DNL switches */
418 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
419 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DNL_SWITCHES |
420 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DPR_SWITCHES);
421 if (ret)
422 return ret;
423
424 /* Setup FSM delays */
425 ret = regmap_write(usbss->regmap, WCD_USBSS_DELAY_L_SW, 0x02);
426 if (ret)
427 return ret;
428
429 ret = regmap_write(usbss->regmap, WCD_USBSS_DELAY_R_SW, 0x02);
430 if (ret)
431 return ret;
432
433 ret = regmap_write(usbss->regmap, WCD_USBSS_DELAY_MIC_SW, 0x01);
434 if (ret)
435 return ret;
436
437 /* Start FSM, force write */
438 ret = regmap_write_bits(usbss->regmap, WCD_USBSS_AUDIO_FSM_START,
439 WCD_USBSS_AUDIO_FSM_START_AUDIO_FSM_AUDIO_TRIG,
440 WCD_USBSS_AUDIO_FSM_START_AUDIO_FSM_AUDIO_TRIG);
441 if (ret)
442 return ret;
443
444 /* Default Linearlizer coefficients */
445 for (i = 0; i < ARRAY_SIZE(wcd939x_usbss_coeff_init); ++i)
446 regmap_update_bits(usbss->regmap,
447 wcd939x_usbss_coeff_init[i].offset,
448 wcd939x_usbss_coeff_init[i].mask,
449 wcd939x_usbss_coeff_init[i].value);
450
451 return 0;
452 }
453
454 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_USB_SS_CNTL,
455 WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
456 FIELD_PREP(WCD_USBSS_USB_SS_CNTL_USB_SS_MODE,
457 WCD_USBSS_USB_SS_CNTL_USB_SS_MODE_USB));
458 if (ret)
459 return ret;
460
461 /* Enable USB muxes */
462 if (enable_usb) {
463 /* Do not enable Equalizer in safe mode */
464 if (usbss->mode != TYPEC_STATE_SAFE) {
465 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_EQUALIZER1,
466 WCD_USBSS_EQUALIZER1_EQ_EN);
467 if (ret)
468 return ret;
469 }
470
471 /* Select DN for DNL_SWITCHES and DP for DPR_SWITCHES */
472 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
473 WCD_USBSS_SWITCH_SELECT0_DPR_SWITCHES |
474 WCD_USBSS_SWITCH_SELECT0_DNL_SWITCHES,
475 FIELD_PREP(WCD_USBSS_SWITCH_SELECT0_DNL_SWITCHES,
476 WCD_USBSS_SWITCH_SELECT0_DNL_SWITCH_DN) |
477 FIELD_PREP(WCD_USBSS_SWITCH_SELECT0_DPR_SWITCHES,
478 WCD_USBSS_SWITCH_SELECT0_DPR_SWITCH_DP));
479 if (ret)
480 return ret;
481
482 /* Enable DNL_SWITCHES and DPR_SWITCHES */
483 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
484 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DPR_SWITCHES |
485 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DNL_SWITCHES);
486 if (ret)
487 return ret;
488 }
489
490 /* Enable DP AUX muxes */
491 if (enable_dp) {
492 /* Update Leakage Canceller Coefficient for AUXP pins */
493 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_DISP_AUXP_CTL,
494 WCD_USBSS_DISP_AUXP_CTL_LK_CANCEL_TRK_COEFF,
495 FIELD_PREP(WCD_USBSS_DISP_AUXP_CTL_LK_CANCEL_TRK_COEFF,
496 5));
497 if (ret)
498 return ret;
499
500 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_DISP_AUXP_THRESH,
501 WCD_USBSS_DISP_AUXP_THRESH_DISP_AUXP_OVPON_CM);
502 if (ret)
503 return ret;
504
505 if (reverse)
506 /* Select MG2 for AUXP and MG1 for AUXM */
507 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
508 WCD_USBSS_SWITCH_SELECT0_DP_AUXP_SWITCHES |
509 WCD_USBSS_SWITCH_SELECT0_DP_AUXM_SWITCHES,
510 WCD_USBSS_SWITCH_SELECT0_DP_AUXP_SWITCHES);
511 else
512 /* Select MG1 for AUXP and MG2 for AUXM */
513 ret = regmap_update_bits(usbss->regmap, WCD_USBSS_SWITCH_SELECT0,
514 WCD_USBSS_SWITCH_SELECT0_DP_AUXP_SWITCHES |
515 WCD_USBSS_SWITCH_SELECT0_DP_AUXM_SWITCHES,
516 WCD_USBSS_SWITCH_SELECT0_DP_AUXM_SWITCHES);
517 if (ret)
518 return ret;
519
520 /* Enable DP_AUXP_TO_MGX and DP_AUXM_TO_MGX switches */
521 ret = regmap_set_bits(usbss->regmap, WCD_USBSS_SWITCH_SETTINGS_ENABLE,
522 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DP_AUXP_TO_MGX_SWITCHES |
523 WCD_USBSS_SWITCH_SETTINGS_ENABLE_DP_AUXM_TO_MGX_SWITCHES);
524
525 /* 15us to allow the SBU switch to turn on again */
526 usleep_range(15, 1000);
527 }
528
529 return 0;
530 }
531
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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