107 	struct rcar_gen3_chan *ch;  member
151 	struct rcar_gen3_chan *ch = container_of(work, struct rcar_gen3_chan,  in rcar_gen3_phy_usb2_work()  local
154 	if (ch->extcon_host) {  in rcar_gen3_phy_usb2_work()
155 		extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, true);  in rcar_gen3_phy_usb2_work()
156 		extcon_set_state_sync(ch->extcon, EXTCON_USB, false);  in rcar_gen3_phy_usb2_work()
158 		extcon_set_state_sync(ch->extcon, EXTCON_USB_HOST, false);  in rcar_gen3_phy_usb2_work()
159 		extcon_set_state_sync(ch->extcon, EXTCON_USB, true);  in rcar_gen3_phy_usb2_work()
163 static void rcar_gen3_set_host_mode(struct rcar_gen3_chan *ch, int host)  in rcar_gen3_set_host_mode()  argument
165 	void __iomem *usb2_base = ch->base;  in rcar_gen3_set_host_mode()
168 	dev_vdbg(ch->dev, "%s: %08x, %d\n", __func__, val, host);  in rcar_gen3_set_host_mode()
176 static void rcar_gen3_set_linectrl(struct rcar_gen3_chan *ch, int dp, int dm)  in rcar_gen3_set_linectrl()  argument
178 	void __iomem *usb2_base = ch->base;  in rcar_gen3_set_linectrl()
181 	dev_vdbg(ch->dev, "%s: %08x, %d, %d\n", __func__, val, dp, dm);  in rcar_gen3_set_linectrl()
190 static void rcar_gen3_enable_vbus_ctrl(struct rcar_gen3_chan *ch, int vbus)  in rcar_gen3_enable_vbus_ctrl()  argument
192 	void __iomem *usb2_base = ch->base;  in rcar_gen3_enable_vbus_ctrl()
197 	dev_vdbg(ch->dev, "%s: %08x, %d\n", __func__, val, vbus);  in rcar_gen3_enable_vbus_ctrl()
198 	if (ch->soc_no_adp_ctrl) {  in rcar_gen3_enable_vbus_ctrl()
199 		if (ch->vbus)  in rcar_gen3_enable_vbus_ctrl()
200 			regulator_hardware_enable(ch->vbus, vbus);  in rcar_gen3_enable_vbus_ctrl()
214 static void rcar_gen3_control_otg_irq(struct rcar_gen3_chan *ch, int enable)  in rcar_gen3_control_otg_irq()  argument
216 	void __iomem *usb2_base = ch->base;  in rcar_gen3_control_otg_irq()
219 	if (ch->uses_otg_pins && enable)  in rcar_gen3_control_otg_irq()
220 		val |= ch->obint_enable_bits;  in rcar_gen3_control_otg_irq()
222 		val &= ~ch->obint_enable_bits;  in rcar_gen3_control_otg_irq()
226 static void rcar_gen3_init_for_host(struct rcar_gen3_chan *ch)  in rcar_gen3_init_for_host()  argument
228 	rcar_gen3_set_linectrl(ch, 1, 1);  in rcar_gen3_init_for_host()
229 	rcar_gen3_set_host_mode(ch, 1);  in rcar_gen3_init_for_host()
230 	rcar_gen3_enable_vbus_ctrl(ch, 1);  in rcar_gen3_init_for_host()
232 	ch->extcon_host = true;  in rcar_gen3_init_for_host()
233 	schedule_work(&ch->work);  in rcar_gen3_init_for_host()
236 static void rcar_gen3_init_for_peri(struct rcar_gen3_chan *ch)  in rcar_gen3_init_for_peri()  argument
238 	rcar_gen3_set_linectrl(ch, 0, 1);  in rcar_gen3_init_for_peri()
239 	rcar_gen3_set_host_mode(ch, 0);  in rcar_gen3_init_for_peri()
240 	rcar_gen3_enable_vbus_ctrl(ch, 0);  in rcar_gen3_init_for_peri()
242 	ch->extcon_host = false;  in rcar_gen3_init_for_peri()
243 	schedule_work(&ch->work);  in rcar_gen3_init_for_peri()
246 static void rcar_gen3_init_for_b_host(struct rcar_gen3_chan *ch)  in rcar_gen3_init_for_b_host()  argument
248 	void __iomem *usb2_base = ch->base;  in rcar_gen3_init_for_b_host()
254 	rcar_gen3_set_linectrl(ch, 1, 1);  in rcar_gen3_init_for_b_host()
255 	rcar_gen3_set_host_mode(ch, 1);  in rcar_gen3_init_for_b_host()
256 	rcar_gen3_enable_vbus_ctrl(ch, 0);  in rcar_gen3_init_for_b_host()
262 static void rcar_gen3_init_for_a_peri(struct rcar_gen3_chan *ch)  in rcar_gen3_init_for_a_peri()  argument
264 	rcar_gen3_set_linectrl(ch, 0, 1);  in rcar_gen3_init_for_a_peri()
265 	rcar_gen3_set_host_mode(ch, 0);  in rcar_gen3_init_for_a_peri()
266 	rcar_gen3_enable_vbus_ctrl(ch, 1);  in rcar_gen3_init_for_a_peri()
269 static void rcar_gen3_init_from_a_peri_to_a_host(struct rcar_gen3_chan *ch)  in rcar_gen3_init_from_a_peri_to_a_host()  argument
271 	rcar_gen3_control_otg_irq(ch, 0);  in rcar_gen3_init_from_a_peri_to_a_host()
273 	rcar_gen3_enable_vbus_ctrl(ch, 1);  in rcar_gen3_init_from_a_peri_to_a_host()
274 	rcar_gen3_init_for_host(ch);  in rcar_gen3_init_from_a_peri_to_a_host()
276 	rcar_gen3_control_otg_irq(ch, 1);  in rcar_gen3_init_from_a_peri_to_a_host()
279 static bool rcar_gen3_check_id(struct rcar_gen3_chan *ch)  in rcar_gen3_check_id()  argument
281 	if (!ch->uses_otg_pins)  in rcar_gen3_check_id()
282 		return (ch->dr_mode == USB_DR_MODE_HOST) ? false : true;  in rcar_gen3_check_id()
284 	if (ch->soc_no_adp_ctrl)  in rcar_gen3_check_id()
285 		return !!(readl(ch->base + USB2_LINECTRL1) & USB2_LINECTRL1_USB2_IDMON);  in rcar_gen3_check_id()
287 	return !!(readl(ch->base + USB2_ADPCTRL) & USB2_ADPCTRL_IDDIG);  in rcar_gen3_check_id()
290 static void rcar_gen3_device_recognition(struct rcar_gen3_chan *ch)  in rcar_gen3_device_recognition()  argument
292 	if (!rcar_gen3_check_id(ch))  in rcar_gen3_device_recognition()
293 		rcar_gen3_init_for_host(ch);  in rcar_gen3_device_recognition()
295 		rcar_gen3_init_for_peri(ch);  in rcar_gen3_device_recognition()
298 static bool rcar_gen3_is_host(struct rcar_gen3_chan *ch)  in rcar_gen3_is_host()  argument
300 	return !(readl(ch->base + USB2_COMMCTRL) & USB2_COMMCTRL_OTG_PERI);  in rcar_gen3_is_host()
303 static enum phy_mode rcar_gen3_get_phy_mode(struct rcar_gen3_chan *ch)  in rcar_gen3_get_phy_mode()  argument
305 	if (rcar_gen3_is_host(ch))  in rcar_gen3_get_phy_mode()
311 static bool rcar_gen3_is_any_rphy_initialized(struct rcar_gen3_chan *ch)  in rcar_gen3_is_any_rphy_initialized()  argument
316 		if (ch->rphys[i].initialized)  in rcar_gen3_is_any_rphy_initialized()
323 static bool rcar_gen3_needs_init_otg(struct rcar_gen3_chan *ch)  in rcar_gen3_needs_init_otg()  argument
328 		if (ch->rphys[i].otg_initialized)  in rcar_gen3_needs_init_otg()
335 static bool rcar_gen3_are_all_rphys_power_off(struct rcar_gen3_chan *ch)  in rcar_gen3_are_all_rphys_power_off()  argument
340 		if (ch->rphys[i].powered)  in rcar_gen3_are_all_rphys_power_off()
350 	struct rcar_gen3_chan *ch = dev_get_drvdata(dev);  in role_store()  local
354 	if (!ch->is_otg_channel || !rcar_gen3_is_any_rphy_initialized(ch))  in role_store()
365 	is_b_device = rcar_gen3_check_id(ch);  in role_store()
366 	cur_mode = rcar_gen3_get_phy_mode(ch);  in role_store()
374 			rcar_gen3_init_from_a_peri_to_a_host(ch);  in role_store()
376 			rcar_gen3_init_for_b_host(ch);  in role_store()
379 			rcar_gen3_init_for_a_peri(ch);  in role_store()
381 			rcar_gen3_init_for_peri(ch);  in role_store()
390 	struct rcar_gen3_chan *ch = dev_get_drvdata(dev);  in role_show()  local
392 	if (!ch->is_otg_channel || !rcar_gen3_is_any_rphy_initialized(ch))  in role_show()
395 	return sprintf(buf, "%s\n", rcar_gen3_is_host(ch) ? "host" :  in role_show()
400 static void rcar_gen3_init_otg(struct rcar_gen3_chan *ch)  in rcar_gen3_init_otg()  argument
402 	void __iomem *usb2_base = ch->base;  in rcar_gen3_init_otg()
411 	if (!ch->soc_no_adp_ctrl) {  in rcar_gen3_init_otg()
421 	writel(ch->obint_enable_bits, usb2_base + USB2_OBINTEN);  in rcar_gen3_init_otg()
423 	rcar_gen3_device_recognition(ch);  in rcar_gen3_init_otg()
428 	struct rcar_gen3_chan *ch = _ch;  in rcar_gen3_phy_usb2_irq()  local
429 	void __iomem *usb2_base = ch->base;  in rcar_gen3_phy_usb2_irq()
433 	if (status & ch->obint_enable_bits) {  in rcar_gen3_phy_usb2_irq()
434 		dev_vdbg(ch->dev, "%s: %08x\n", __func__, status);  in rcar_gen3_phy_usb2_irq()
435 		writel(ch->obint_enable_bits, usb2_base + USB2_OBINTSTA);  in rcar_gen3_phy_usb2_irq()
436 		rcar_gen3_device_recognition(ch);  in rcar_gen3_phy_usb2_irq()
446 	struct rcar_gen3_chan *channel = rphy->ch;  in rcar_gen3_phy_usb2_init()
483 	struct rcar_gen3_chan *channel = rphy->ch;  in rcar_gen3_phy_usb2_exit()
507 	struct rcar_gen3_chan *channel = rphy->ch;  in rcar_gen3_phy_usb2_power_on()
539 	struct rcar_gen3_chan *channel = rphy->ch;  in rcar_gen3_phy_usb2_power_off()
634 	struct rcar_gen3_chan *ch = dev_get_drvdata(dev);  in rcar_gen3_phy_usb2_xlate()  local
637 		return ch->rphys[PHY_INDEX_BOTH_HC].phy;  in rcar_gen3_phy_usb2_xlate()
644 	return ch->rphys[args->args[0]].phy;  in rcar_gen3_phy_usb2_xlate()
775 		channel->rphys[i].ch = channel;  in rcar_gen3_phy_usb2_probe()