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v6.8
  1// SPDX-License-Identifier: GPL-1.0+
  2/*
  3 * Renesas USB driver
  4 *
  5 * Copyright (C) 2011 Renesas Solutions Corp.
  6 * Copyright (C) 2019 Renesas Electronics Corporation
  7 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
 
 
 
 
 
 
 
 
 
 
  8 */
  9#include <linux/interrupt.h>
 10
 11#include "common.h"
 12#include "mod.h"
 13
 
 
 
 
 
 
 
 
 
 14/*
 15 *		autonomy
 16 *
 17 * these functions are used if platform doesn't have external phy.
 18 *  -> there is no "notify_hotplug" callback from platform
 19 *  -> call "notify_hotplug" by itself
 20 *  -> use own interrupt to connect/disconnect
 21 *  -> it mean module clock is always ON
 22 *             ~~~~~~~~~~~~~~~~~~~~~~~~~
 23 */
 24static int usbhsm_autonomy_get_vbus(struct platform_device *pdev)
 25{
 26	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
 27
 28	return  VBSTS & usbhs_read(priv, INTSTS0);
 29}
 30
 31static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv,
 32				    struct usbhs_irq_state *irq_state)
 33{
 34	struct platform_device *pdev = usbhs_priv_to_pdev(priv);
 35
 36	usbhsc_schedule_notify_hotplug(pdev);
 37
 38	return 0;
 39}
 40
 41void usbhs_mod_autonomy_mode(struct usbhs_priv *priv)
 42{
 43	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 44
 45	info->irq_vbus = usbhsm_autonomy_irq_vbus;
 46	info->get_vbus = usbhsm_autonomy_get_vbus;
 47
 48	usbhs_irq_callback_update(priv, NULL);
 49}
 50
 51void usbhs_mod_non_autonomy_mode(struct usbhs_priv *priv)
 52{
 53	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 54
 55	info->get_vbus = priv->pfunc->get_vbus;
 56}
 57
 58/*
 59 *		host / gadget functions
 60 *
 61 * renesas_usbhs host/gadget can register itself by below functions.
 62 * these functions are called when probe
 63 *
 64 */
 65void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *mod, int id)
 66{
 67	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 68
 69	info->mod[id]	= mod;
 70	mod->priv	= priv;
 71}
 72
 73struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id)
 74{
 75	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 76	struct usbhs_mod *ret = NULL;
 77
 78	switch (id) {
 79	case USBHS_HOST:
 80	case USBHS_GADGET:
 81		ret = info->mod[id];
 82		break;
 83	}
 84
 85	return ret;
 86}
 87
 88int usbhs_mod_is_host(struct usbhs_priv *priv)
 89{
 90	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
 91	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 92
 93	if (!mod)
 94		return -EINVAL;
 95
 96	return info->mod[USBHS_HOST] == mod;
 97}
 98
 99struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv)
100{
101	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
102
103	return info->curt;
104}
105
106int usbhs_mod_change(struct usbhs_priv *priv, int id)
107{
108	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
109	struct usbhs_mod *mod = NULL;
110	int ret = 0;
111
112	/* id < 0 mean no current */
113	switch (id) {
114	case USBHS_HOST:
115	case USBHS_GADGET:
116		mod = info->mod[id];
117		break;
118	default:
119		ret = -EINVAL;
120	}
121	info->curt = mod;
122
123	return ret;
124}
125
126static irqreturn_t usbhs_interrupt(int irq, void *data);
127int usbhs_mod_probe(struct usbhs_priv *priv)
128{
129	struct device *dev = usbhs_priv_to_dev(priv);
130	int ret;
131
132	/*
133	 * install host/gadget driver
134	 */
135	ret = usbhs_mod_host_probe(priv);
136	if (ret < 0)
137		return ret;
138
139	ret = usbhs_mod_gadget_probe(priv);
140	if (ret < 0)
141		goto mod_init_host_err;
142
143	/* irq settings */
144	ret = devm_request_irq(dev, priv->irq, usbhs_interrupt,
145			       0, dev_name(dev), priv);
146	if (ret) {
147		dev_err(dev, "irq request err\n");
148		goto mod_init_gadget_err;
149	}
150
151	return ret;
152
153mod_init_gadget_err:
154	usbhs_mod_gadget_remove(priv);
155mod_init_host_err:
156	usbhs_mod_host_remove(priv);
157
158	return ret;
159}
160
161void usbhs_mod_remove(struct usbhs_priv *priv)
162{
163	usbhs_mod_host_remove(priv);
164	usbhs_mod_gadget_remove(priv);
165}
166
167/*
168 *		status functions
169 */
170int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state)
171{
172	return (int)irq_state->intsts0 & DVSQ_MASK;
 
 
 
 
 
 
 
 
 
 
173}
174
175int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state)
176{
177	/*
178	 * return value
179	 *
180	 * IDLE_SETUP_STAGE
181	 * READ_DATA_STAGE
182	 * READ_STATUS_STAGE
183	 * WRITE_DATA_STAGE
184	 * WRITE_STATUS_STAGE
185	 * NODATA_STATUS_STAGE
186	 * SEQUENCE_ERROR
187	 */
188	return (int)irq_state->intsts0 & CTSQ_MASK;
189}
190
191static int usbhs_status_get_each_irq(struct usbhs_priv *priv,
192				     struct usbhs_irq_state *state)
193{
194	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
195	u16 intenb0, intenb1;
196	unsigned long flags;
197
198	/********************  spin lock ********************/
199	usbhs_lock(priv, flags);
200	state->intsts0 = usbhs_read(priv, INTSTS0);
201	intenb0 = usbhs_read(priv, INTENB0);
202
203	if (usbhs_mod_is_host(priv)) {
204		state->intsts1 = usbhs_read(priv, INTSTS1);
205		intenb1 = usbhs_read(priv, INTENB1);
206	} else {
207		state->intsts1 = intenb1 = 0;
208	}
209
210	/* mask */
211	if (mod) {
212		state->brdysts = usbhs_read(priv, BRDYSTS);
213		state->nrdysts = usbhs_read(priv, NRDYSTS);
214		state->bempsts = usbhs_read(priv, BEMPSTS);
215
216		state->bempsts &= mod->irq_bempsts;
217		state->brdysts &= mod->irq_brdysts;
218	}
219	usbhs_unlock(priv, flags);
220	/********************  spin unlock ******************/
 
 
 
 
 
 
 
 
 
 
221
222	return 0;
223}
224
225/*
226 *		interrupt
227 */
228#define INTSTS0_MAGIC 0xF800 /* acknowledge magical interrupt sources */
229#define INTSTS1_MAGIC 0xA870 /* acknowledge magical interrupt sources */
230static irqreturn_t usbhs_interrupt(int irq, void *data)
231{
232	struct usbhs_priv *priv = data;
233	struct usbhs_irq_state irq_state;
234
235	if (usbhs_status_get_each_irq(priv, &irq_state) < 0)
236		return IRQ_NONE;
237
238	/*
239	 * clear interrupt
240	 *
241	 * The hardware is _very_ picky to clear interrupt bit.
242	 * Especially INTSTS0_MAGIC, INTSTS1_MAGIC value.
243	 *
244	 * see
245	 *	"Operation"
246	 *	 - "Control Transfer (DCP)"
247	 *	   - Function :: VALID bit should 0
248	 */
249	usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
250	if (usbhs_mod_is_host(priv))
251		usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
252
253	/*
254	 * The driver should not clear the xxxSTS after the line of
255	 * "call irq callback functions" because each "if" statement is
256	 * possible to call the callback function for avoiding any side effects.
257	 */
258	if (irq_state.intsts0 & BRDY)
259		usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
260	usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
261	if (irq_state.intsts0 & BEMP)
262		usbhs_write(priv, BEMPSTS, ~irq_state.bempsts);
263
264	/*
265	 * call irq callback functions
266	 * see also
267	 *	usbhs_irq_setting_update
268	 */
269
270	/* INTSTS0 */
271	if (irq_state.intsts0 & VBINT)
272		usbhs_mod_info_call(priv, irq_vbus, priv, &irq_state);
273
274	if (irq_state.intsts0 & DVST)
275		usbhs_mod_call(priv, irq_dev_state, priv, &irq_state);
276
277	if (irq_state.intsts0 & CTRT)
278		usbhs_mod_call(priv, irq_ctrl_stage, priv, &irq_state);
279
280	if (irq_state.intsts0 & BEMP)
281		usbhs_mod_call(priv, irq_empty, priv, &irq_state);
282
283	if (irq_state.intsts0 & BRDY)
284		usbhs_mod_call(priv, irq_ready, priv, &irq_state);
285
286	if (usbhs_mod_is_host(priv)) {
287		/* INTSTS1 */
288		if (irq_state.intsts1 & ATTCH)
289			usbhs_mod_call(priv, irq_attch, priv, &irq_state);
290
291		if (irq_state.intsts1 & DTCH)
292			usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
293
294		if (irq_state.intsts1 & SIGN)
295			usbhs_mod_call(priv, irq_sign, priv, &irq_state);
 
 
 
296
297		if (irq_state.intsts1 & SACK)
298			usbhs_mod_call(priv, irq_sack, priv, &irq_state);
299	}
300	return IRQ_HANDLED;
301}
302
303void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
304{
305	u16 intenb0 = 0;
306	u16 intenb1 = 0;
307	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
308
309	/*
310	 * BEMPENB/BRDYENB are picky.
311	 * below method is required
312	 *
313	 *  - clear  INTSTS0
314	 *  - update BEMPENB/BRDYENB
315	 *  - update INTSTS0
316	 */
317	usbhs_write(priv, INTENB0, 0);
318	if (usbhs_mod_is_host(priv))
319		usbhs_write(priv, INTENB1, 0);
320
321	usbhs_write(priv, BEMPENB, 0);
322	usbhs_write(priv, BRDYENB, 0);
323
324	/*
325	 * see also
326	 *	usbhs_interrupt
327	 */
328
 
 
 
 
329	if (info->irq_vbus)
330		intenb0 |= VBSE;
331
332	if (mod) {
333		/*
334		 * INTSTS0
335		 */
336		if (mod->irq_ctrl_stage)
337			intenb0 |= CTRE;
338
339		if (mod->irq_dev_state)
340			intenb0 |= DVSE;
341
342		if (mod->irq_empty && mod->irq_bempsts) {
343			usbhs_write(priv, BEMPENB, mod->irq_bempsts);
344			intenb0 |= BEMPE;
345		}
346
347		if (mod->irq_ready && mod->irq_brdysts) {
348			usbhs_write(priv, BRDYENB, mod->irq_brdysts);
349			intenb0 |= BRDYE;
350		}
351
352		if (usbhs_mod_is_host(priv)) {
353			/*
354			 * INTSTS1
355			 */
356			if (mod->irq_attch)
357				intenb1 |= ATTCHE;
358
359			if (mod->irq_dtch)
360				intenb1 |= DTCHE;
361
362			if (mod->irq_sign)
363				intenb1 |= SIGNE;
364
365			if (mod->irq_sack)
366				intenb1 |= SACKE;
367		}
368	}
369
370	if (intenb0)
371		usbhs_write(priv, INTENB0, intenb0);
372
373	if (usbhs_mod_is_host(priv) && intenb1)
374		usbhs_write(priv, INTENB1, intenb1);
375}
v3.15
 
  1/*
  2 * Renesas USB driver
  3 *
  4 * Copyright (C) 2011 Renesas Solutions Corp.
 
  5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  6 *
  7 * This program is distributed in the hope that it will be useful,
  8 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  9 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 10 * GNU General Public License for more details.
 11 *
 12 * You should have received a copy of the GNU General Public License
 13 * along with this program; if not, write to the Free Software
 14 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 15 *
 16 */
 17#include <linux/interrupt.h>
 18
 19#include "common.h"
 20#include "mod.h"
 21
 22#define usbhs_priv_to_modinfo(priv) (&priv->mod_info)
 23#define usbhs_mod_info_call(priv, func, param...)	\
 24({						\
 25	struct usbhs_mod_info *info;		\
 26	info = usbhs_priv_to_modinfo(priv);	\
 27	!info->func ? 0 :			\
 28	 info->func(param);			\
 29})
 30
 31/*
 32 *		autonomy
 33 *
 34 * these functions are used if platform doesn't have external phy.
 35 *  -> there is no "notify_hotplug" callback from platform
 36 *  -> call "notify_hotplug" by itself
 37 *  -> use own interrupt to connect/disconnect
 38 *  -> it mean module clock is always ON
 39 *             ~~~~~~~~~~~~~~~~~~~~~~~~~
 40 */
 41static int usbhsm_autonomy_get_vbus(struct platform_device *pdev)
 42{
 43	struct usbhs_priv *priv = usbhs_pdev_to_priv(pdev);
 44
 45	return  VBSTS & usbhs_read(priv, INTSTS0);
 46}
 47
 48static int usbhsm_autonomy_irq_vbus(struct usbhs_priv *priv,
 49				    struct usbhs_irq_state *irq_state)
 50{
 51	struct platform_device *pdev = usbhs_priv_to_pdev(priv);
 52
 53	renesas_usbhs_call_notify_hotplug(pdev);
 54
 55	return 0;
 56}
 57
 58void usbhs_mod_autonomy_mode(struct usbhs_priv *priv)
 59{
 60	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 61
 62	info->irq_vbus		= usbhsm_autonomy_irq_vbus;
 63	priv->pfunc.get_vbus	= usbhsm_autonomy_get_vbus;
 64
 65	usbhs_irq_callback_update(priv, NULL);
 66}
 67
 
 
 
 
 
 
 
 68/*
 69 *		host / gadget functions
 70 *
 71 * renesas_usbhs host/gadget can register itself by below functions.
 72 * these functions are called when probe
 73 *
 74 */
 75void usbhs_mod_register(struct usbhs_priv *priv, struct usbhs_mod *mod, int id)
 76{
 77	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 78
 79	info->mod[id]	= mod;
 80	mod->priv	= priv;
 81}
 82
 83struct usbhs_mod *usbhs_mod_get(struct usbhs_priv *priv, int id)
 84{
 85	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
 86	struct usbhs_mod *ret = NULL;
 87
 88	switch (id) {
 89	case USBHS_HOST:
 90	case USBHS_GADGET:
 91		ret = info->mod[id];
 92		break;
 93	}
 94
 95	return ret;
 96}
 97
 98int usbhs_mod_is_host(struct usbhs_priv *priv)
 99{
100	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
101	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
102
103	if (!mod)
104		return -EINVAL;
105
106	return info->mod[USBHS_HOST] == mod;
107}
108
109struct usbhs_mod *usbhs_mod_get_current(struct usbhs_priv *priv)
110{
111	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
112
113	return info->curt;
114}
115
116int usbhs_mod_change(struct usbhs_priv *priv, int id)
117{
118	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
119	struct usbhs_mod *mod = NULL;
120	int ret = 0;
121
122	/* id < 0 mean no current */
123	switch (id) {
124	case USBHS_HOST:
125	case USBHS_GADGET:
126		mod = info->mod[id];
127		break;
128	default:
129		ret = -EINVAL;
130	}
131	info->curt = mod;
132
133	return ret;
134}
135
136static irqreturn_t usbhs_interrupt(int irq, void *data);
137int usbhs_mod_probe(struct usbhs_priv *priv)
138{
139	struct device *dev = usbhs_priv_to_dev(priv);
140	int ret;
141
142	/*
143	 * install host/gadget driver
144	 */
145	ret = usbhs_mod_host_probe(priv);
146	if (ret < 0)
147		return ret;
148
149	ret = usbhs_mod_gadget_probe(priv);
150	if (ret < 0)
151		goto mod_init_host_err;
152
153	/* irq settings */
154	ret = devm_request_irq(dev, priv->irq, usbhs_interrupt,
155			  priv->irqflags, dev_name(dev), priv);
156	if (ret) {
157		dev_err(dev, "irq request err\n");
158		goto mod_init_gadget_err;
159	}
160
161	return ret;
162
163mod_init_gadget_err:
164	usbhs_mod_gadget_remove(priv);
165mod_init_host_err:
166	usbhs_mod_host_remove(priv);
167
168	return ret;
169}
170
171void usbhs_mod_remove(struct usbhs_priv *priv)
172{
173	usbhs_mod_host_remove(priv);
174	usbhs_mod_gadget_remove(priv);
175}
176
177/*
178 *		status functions
179 */
180int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state)
181{
182	int state = irq_state->intsts0 & DVSQ_MASK;
183
184	switch (state) {
185	case POWER_STATE:
186	case DEFAULT_STATE:
187	case ADDRESS_STATE:
188	case CONFIGURATION_STATE:
189		return state;
190	}
191
192	return -EIO;
193}
194
195int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state)
196{
197	/*
198	 * return value
199	 *
200	 * IDLE_SETUP_STAGE
201	 * READ_DATA_STAGE
202	 * READ_STATUS_STAGE
203	 * WRITE_DATA_STAGE
204	 * WRITE_STATUS_STAGE
205	 * NODATA_STATUS_STAGE
206	 * SEQUENCE_ERROR
207	 */
208	return (int)irq_state->intsts0 & CTSQ_MASK;
209}
210
211static int usbhs_status_get_each_irq(struct usbhs_priv *priv,
212				     struct usbhs_irq_state *state)
213{
214	struct usbhs_mod *mod = usbhs_mod_get_current(priv);
215	u16 intenb0, intenb1;
 
216
 
 
217	state->intsts0 = usbhs_read(priv, INTSTS0);
218	state->intsts1 = usbhs_read(priv, INTSTS1);
219
220	intenb0 = usbhs_read(priv, INTENB0);
221	intenb1 = usbhs_read(priv, INTENB1);
 
 
 
 
222
223	/* mask */
224	if (mod) {
225		state->brdysts = usbhs_read(priv, BRDYSTS);
226		state->nrdysts = usbhs_read(priv, NRDYSTS);
227		state->bempsts = usbhs_read(priv, BEMPSTS);
228
229		state->bempsts &= mod->irq_bempsts;
230		state->brdysts &= mod->irq_brdysts;
231	}
232
233	/*
234	 * Check whether the irq enable registers and the irq status are set
235	 * when IRQF_SHARED is set.
236	 */
237	if (priv->irqflags & IRQF_SHARED) {
238		if (!(intenb0 & state->intsts0) &&
239		    !(intenb1 & state->intsts1) &&
240		    !(state->bempsts) &&
241		    !(state->brdysts))
242			return -EIO;
243	}
244
245	return 0;
246}
247
248/*
249 *		interrupt
250 */
251#define INTSTS0_MAGIC 0xF800 /* acknowledge magical interrupt sources */
252#define INTSTS1_MAGIC 0xA870 /* acknowledge magical interrupt sources */
253static irqreturn_t usbhs_interrupt(int irq, void *data)
254{
255	struct usbhs_priv *priv = data;
256	struct usbhs_irq_state irq_state;
257
258	if (usbhs_status_get_each_irq(priv, &irq_state) < 0)
259		return IRQ_NONE;
260
261	/*
262	 * clear interrupt
263	 *
264	 * The hardware is _very_ picky to clear interrupt bit.
265	 * Especially INTSTS0_MAGIC, INTSTS1_MAGIC value.
266	 *
267	 * see
268	 *	"Operation"
269	 *	 - "Control Transfer (DCP)"
270	 *	   - Function :: VALID bit should 0
271	 */
272	usbhs_write(priv, INTSTS0, ~irq_state.intsts0 & INTSTS0_MAGIC);
273	usbhs_write(priv, INTSTS1, ~irq_state.intsts1 & INTSTS1_MAGIC);
 
274
275	usbhs_write(priv, BRDYSTS, ~irq_state.brdysts);
 
 
 
 
 
 
276	usbhs_write(priv, NRDYSTS, ~irq_state.nrdysts);
277	usbhs_write(priv, BEMPSTS, ~irq_state.bempsts);
 
278
279	/*
280	 * call irq callback functions
281	 * see also
282	 *	usbhs_irq_setting_update
283	 */
284
285	/* INTSTS0 */
286	if (irq_state.intsts0 & VBINT)
287		usbhs_mod_info_call(priv, irq_vbus, priv, &irq_state);
288
289	if (irq_state.intsts0 & DVST)
290		usbhs_mod_call(priv, irq_dev_state, priv, &irq_state);
291
292	if (irq_state.intsts0 & CTRT)
293		usbhs_mod_call(priv, irq_ctrl_stage, priv, &irq_state);
294
295	if (irq_state.intsts0 & BEMP)
296		usbhs_mod_call(priv, irq_empty, priv, &irq_state);
297
298	if (irq_state.intsts0 & BRDY)
299		usbhs_mod_call(priv, irq_ready, priv, &irq_state);
300
301	/* INTSTS1 */
302	if (irq_state.intsts1 & ATTCH)
303		usbhs_mod_call(priv, irq_attch, priv, &irq_state);
 
304
305	if (irq_state.intsts1 & DTCH)
306		usbhs_mod_call(priv, irq_dtch, priv, &irq_state);
307
308	if (irq_state.intsts1 & SIGN)
309		usbhs_mod_call(priv, irq_sign, priv, &irq_state);
310
311	if (irq_state.intsts1 & SACK)
312		usbhs_mod_call(priv, irq_sack, priv, &irq_state);
313
 
 
 
314	return IRQ_HANDLED;
315}
316
317void usbhs_irq_callback_update(struct usbhs_priv *priv, struct usbhs_mod *mod)
318{
319	u16 intenb0 = 0;
320	u16 intenb1 = 0;
321	struct usbhs_mod_info *info = usbhs_priv_to_modinfo(priv);
322
323	/*
324	 * BEMPENB/BRDYENB are picky.
325	 * below method is required
326	 *
327	 *  - clear  INTSTS0
328	 *  - update BEMPENB/BRDYENB
329	 *  - update INTSTS0
330	 */
331	usbhs_write(priv, INTENB0, 0);
332	usbhs_write(priv, INTENB1, 0);
 
333
334	usbhs_write(priv, BEMPENB, 0);
335	usbhs_write(priv, BRDYENB, 0);
336
337	/*
338	 * see also
339	 *	usbhs_interrupt
340	 */
341
342	/*
343	 * it don't enable DVSE (intenb0) here
344	 * but "mod->irq_dev_state" will be called.
345	 */
346	if (info->irq_vbus)
347		intenb0 |= VBSE;
348
349	if (mod) {
350		/*
351		 * INTSTS0
352		 */
353		if (mod->irq_ctrl_stage)
354			intenb0 |= CTRE;
355
 
 
 
356		if (mod->irq_empty && mod->irq_bempsts) {
357			usbhs_write(priv, BEMPENB, mod->irq_bempsts);
358			intenb0 |= BEMPE;
359		}
360
361		if (mod->irq_ready && mod->irq_brdysts) {
362			usbhs_write(priv, BRDYENB, mod->irq_brdysts);
363			intenb0 |= BRDYE;
364		}
365
366		/*
367		 * INTSTS1
368		 */
369		if (mod->irq_attch)
370			intenb1 |= ATTCHE;
 
371
372		if (mod->irq_dtch)
373			intenb1 |= DTCHE;
374
375		if (mod->irq_sign)
376			intenb1 |= SIGNE;
377
378		if (mod->irq_sack)
379			intenb1 |= SACKE;
 
380	}
381
382	if (intenb0)
383		usbhs_write(priv, INTENB0, intenb0);
384
385	if (intenb1)
386		usbhs_write(priv, INTENB1, intenb1);
387}