1 // SPDX-License-Identifier: GPL-2.0
2 // Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
3 // Copyright (c) 2017-2018, Linaro Limited
10 #include "wcd-clsh-v2.h"
14 	int mode;  member
22 /* Class-H registers for codecs from and above WCD9335 */
109 	struct snd_soc_component *comp = ctrl->comp;  in wcd_enable_clsh_block()
111 	if ((enable && ++ctrl->clsh_users == 1) ||  in wcd_enable_clsh_block()
112 	    (!enable && --ctrl->clsh_users == 0))  in wcd_enable_clsh_block()
116 	if (ctrl->clsh_users < 0)  in wcd_enable_clsh_block()
117 		ctrl->clsh_users = 0;  in wcd_enable_clsh_block()
127 					  int mode)  in wcd_clsh_set_buck_mode()  argument
130 	if (mode == CLS_H_HIFI)  in wcd_clsh_set_buck_mode()
141 					     int mode)  in wcd_clsh_set_flyback_mode()  argument
144 	if (mode == CLS_H_HIFI)  in wcd_clsh_set_flyback_mode()
155 			       int mode,  in wcd_clsh_buck_ctrl()  argument
158 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_buck_ctrl()
161 	if ((enable && (++ctrl->buck_users == 1)) ||  in wcd_clsh_buck_ctrl()
162 	   (!enable && (--ctrl->buck_users == 0)))  in wcd_clsh_buck_ctrl()
174 				  int mode,  in wcd_clsh_flyback_ctrl()  argument
177 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_flyback_ctrl()
180 	if ((enable && (++ctrl->flyback_users == 1)) ||  in wcd_clsh_flyback_ctrl()
181 	   (!enable && (--ctrl->flyback_users == 0))) {  in wcd_clsh_flyback_ctrl()
195 static void wcd_clsh_set_gain_path(struct wcd_clsh_ctrl *ctrl, int mode)  in wcd_clsh_set_gain_path()  argument
197 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_set_gain_path()
200 	switch (mode) {  in wcd_clsh_set_gain_path()
223 				  int mode)  in wcd_clsh_set_hph_mode()  argument
229 	switch (mode) {  in wcd_clsh_set_hph_mode()
257 	if (mode != CLS_H_LP)  in wcd_clsh_set_hph_mode()
268 					 int mode)  in wcd_clsh_set_flyback_current()  argument
280 					     int mode)  in wcd_clsh_set_buck_regulator_mode()  argument
282 	if (mode == CLS_AB)  in wcd_clsh_set_buck_regulator_mode()
293 			      bool is_enable, int mode)  in wcd_clsh_state_lo()  argument
295 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_state_lo()
297 	if (mode != CLS_AB) {  in wcd_clsh_state_lo()
298 		dev_err(comp->dev, "%s: LO cannot be in this mode: %d\n",  in wcd_clsh_state_lo()
299 			__func__, mode);  in wcd_clsh_state_lo()
304 		wcd_clsh_set_buck_regulator_mode(comp, mode);  in wcd_clsh_state_lo()
305 		wcd_clsh_set_buck_mode(comp, mode);  in wcd_clsh_state_lo()
306 		wcd_clsh_set_flyback_mode(comp, mode);  in wcd_clsh_state_lo()
307 		wcd_clsh_flyback_ctrl(ctrl, mode, true);  in wcd_clsh_state_lo()
308 		wcd_clsh_set_flyback_current(comp, mode);  in wcd_clsh_state_lo()
309 		wcd_clsh_buck_ctrl(ctrl, mode, true);  in wcd_clsh_state_lo()
311 		wcd_clsh_buck_ctrl(ctrl, mode, false);  in wcd_clsh_state_lo()
312 		wcd_clsh_flyback_ctrl(ctrl, mode, false);  in wcd_clsh_state_lo()
320 				 bool is_enable, int mode)  in wcd_clsh_state_hph_r()  argument
322 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_state_hph_r()
324 	if (mode == CLS_H_NORMAL) {  in wcd_clsh_state_hph_r()
325 		dev_err(comp->dev, "%s: Normal mode not applicable for hph_r\n",  in wcd_clsh_state_hph_r()
331 		if (mode != CLS_AB) {  in wcd_clsh_state_hph_r()
350 		wcd_clsh_set_buck_regulator_mode(comp, mode);  in wcd_clsh_state_hph_r()
351 		wcd_clsh_set_flyback_mode(comp, mode);  in wcd_clsh_state_hph_r()
352 		wcd_clsh_flyback_ctrl(ctrl, mode, true);  in wcd_clsh_state_hph_r()
353 		wcd_clsh_set_flyback_current(comp, mode);  in wcd_clsh_state_hph_r()
354 		wcd_clsh_set_buck_mode(comp, mode);  in wcd_clsh_state_hph_r()
355 		wcd_clsh_buck_ctrl(ctrl, mode, true);  in wcd_clsh_state_hph_r()
356 		wcd_clsh_set_hph_mode(comp, mode);  in wcd_clsh_state_hph_r()
357 		wcd_clsh_set_gain_path(ctrl, mode);  in wcd_clsh_state_hph_r()
361 		if (mode != CLS_AB) {  in wcd_clsh_state_hph_r()
368 		/* buck and flyback set to default mode and disable */  in wcd_clsh_state_hph_r()
378 				 bool is_enable, int mode)  in wcd_clsh_state_hph_l()  argument
380 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_state_hph_l()
382 	if (mode == CLS_H_NORMAL) {  in wcd_clsh_state_hph_l()
383 		dev_err(comp->dev, "%s: Normal mode not applicable for hph_l\n",  in wcd_clsh_state_hph_l()
389 		if (mode != CLS_AB) {  in wcd_clsh_state_hph_l()
408 		wcd_clsh_set_buck_regulator_mode(comp, mode);  in wcd_clsh_state_hph_l()
409 		wcd_clsh_set_flyback_mode(comp, mode);  in wcd_clsh_state_hph_l()
410 		wcd_clsh_flyback_ctrl(ctrl, mode, true);  in wcd_clsh_state_hph_l()
411 		wcd_clsh_set_flyback_current(comp, mode);  in wcd_clsh_state_hph_l()
412 		wcd_clsh_set_buck_mode(comp, mode);  in wcd_clsh_state_hph_l()
413 		wcd_clsh_buck_ctrl(ctrl, mode, true);  in wcd_clsh_state_hph_l()
414 		wcd_clsh_set_hph_mode(comp, mode);  in wcd_clsh_state_hph_l()
415 		wcd_clsh_set_gain_path(ctrl, mode);  in wcd_clsh_state_hph_l()
419 		if (mode != CLS_AB) {  in wcd_clsh_state_hph_l()
426 		/* set buck and flyback to Default Mode */  in wcd_clsh_state_hph_l()
436 			       bool is_enable, int mode)  in wcd_clsh_state_ear()  argument
438 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_state_ear()
440 	if (mode != CLS_H_NORMAL) {  in wcd_clsh_state_ear()
441 		dev_err(comp->dev, "%s: mode: %d cannot be used for EAR\n",  in wcd_clsh_state_ear()
442 			__func__, mode);  in wcd_clsh_state_ear()
452 		wcd_clsh_set_buck_mode(comp, mode);  in wcd_clsh_state_ear()
453 		wcd_clsh_set_flyback_mode(comp, mode);  in wcd_clsh_state_ear()
454 		wcd_clsh_flyback_ctrl(ctrl, mode, true);  in wcd_clsh_state_ear()
455 		wcd_clsh_set_flyback_current(comp, mode);  in wcd_clsh_state_ear()
456 		wcd_clsh_buck_ctrl(ctrl, mode, true);  in wcd_clsh_state_ear()
463 		wcd_clsh_buck_ctrl(ctrl, mode, false);  in wcd_clsh_state_ear()
464 		wcd_clsh_flyback_ctrl(ctrl, mode, false);  in wcd_clsh_state_ear()
471 				    bool is_enable, int mode)  in _wcd_clsh_ctrl_set_state()  argument
475 		wcd_clsh_state_ear(ctrl, req_state, is_enable, mode);  in _wcd_clsh_ctrl_set_state()
478 		wcd_clsh_state_hph_l(ctrl, req_state, is_enable, mode);  in _wcd_clsh_ctrl_set_state()
481 		wcd_clsh_state_hph_r(ctrl, req_state, is_enable, mode);  in _wcd_clsh_ctrl_set_state()
485 		wcd_clsh_state_lo(ctrl, req_state, is_enable, mode);  in _wcd_clsh_ctrl_set_state()
526 			    enum wcd_clsh_mode mode)  in wcd_clsh_ctrl_set_state()  argument
528 	struct snd_soc_component *comp = ctrl->comp;  in wcd_clsh_ctrl_set_state()
530 	if (nstate == ctrl->state)  in wcd_clsh_ctrl_set_state()
534 		dev_err(comp->dev, "Class-H not a valid new state:\n");  in wcd_clsh_ctrl_set_state()
535 		return -EINVAL;  in wcd_clsh_ctrl_set_state()
540 		_wcd_clsh_ctrl_set_state(ctrl, nstate, CLSH_REQ_ENABLE, mode);  in wcd_clsh_ctrl_set_state()
543 		_wcd_clsh_ctrl_set_state(ctrl, nstate, CLSH_REQ_DISABLE, mode);  in wcd_clsh_ctrl_set_state()
547 	ctrl->state = nstate;  in wcd_clsh_ctrl_set_state()
548 	ctrl->mode = mode;  in wcd_clsh_ctrl_set_state()
555 	return ctrl->state;  in wcd_clsh_ctrl_get_state()
565 		return ERR_PTR(-ENOMEM);  in wcd_clsh_ctrl_alloc()
567 	ctrl->state = WCD_CLSH_STATE_IDLE;  in wcd_clsh_ctrl_alloc()
568 	ctrl->comp = comp;  in wcd_clsh_ctrl_alloc()