118 static struct ipa_uc_mem_area *ipa_uc_shared(struct ipa *ipa)  in ipa_uc_shared()  argument
120 	const struct ipa_mem *mem = ipa_mem_find(ipa, IPA_MEM_UC_SHARED);  in ipa_uc_shared()
121 	u32 offset = ipa->mem_offset + mem->offset;  in ipa_uc_shared()
123 	return ipa->mem_virt + offset;  in ipa_uc_shared()
127 static void ipa_uc_event_handler(struct ipa *ipa, enum ipa_irq_id irq_id)  in ipa_uc_event_handler()  argument
129 	struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa);  in ipa_uc_event_handler()
130 	struct device *dev = &ipa->pdev->dev;  in ipa_uc_event_handler()
141 static void ipa_uc_response_hdlr(struct ipa *ipa, enum ipa_irq_id irq_id)  in ipa_uc_response_hdlr()  argument
143 	struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa);  in ipa_uc_response_hdlr()
144 	struct device *dev = &ipa->pdev->dev;  in ipa_uc_response_hdlr()
156 		if (ipa->uc_powered) {  in ipa_uc_response_hdlr()
157 			ipa->uc_loaded = true;  in ipa_uc_response_hdlr()
158 			ipa_power_retention(ipa, true);  in ipa_uc_response_hdlr()
161 			ipa->uc_powered = false;  in ipa_uc_response_hdlr()
174 void ipa_uc_config(struct ipa *ipa)  in ipa_uc_config()  argument
176 	ipa->uc_powered = false;  in ipa_uc_config()
177 	ipa->uc_loaded = false;  in ipa_uc_config()
178 	ipa_interrupt_add(ipa->interrupt, IPA_IRQ_UC_0, ipa_uc_event_handler);  in ipa_uc_config()
179 	ipa_interrupt_add(ipa->interrupt, IPA_IRQ_UC_1, ipa_uc_response_hdlr);  in ipa_uc_config()
183 void ipa_uc_deconfig(struct ipa *ipa)  in ipa_uc_deconfig()  argument
185 	struct device *dev = &ipa->pdev->dev;  in ipa_uc_deconfig()
187 	ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_1);  in ipa_uc_deconfig()
188 	ipa_interrupt_remove(ipa->interrupt, IPA_IRQ_UC_0);  in ipa_uc_deconfig()
189 	if (ipa->uc_loaded)  in ipa_uc_deconfig()
190 		ipa_power_retention(ipa, false);  in ipa_uc_deconfig()
192 	if (!ipa->uc_powered)  in ipa_uc_deconfig()
200 void ipa_uc_power(struct ipa *ipa)  in ipa_uc_power()  argument
211 	dev = &ipa->pdev->dev;  in ipa_uc_power()
217 		ipa->uc_powered = true;  in ipa_uc_power()
222 static void send_uc_command(struct ipa *ipa, u32 command, u32 command_param)  in send_uc_command()  argument
224 	struct ipa_uc_mem_area *shared = ipa_uc_shared(ipa);  in send_uc_command()
236 	reg = ipa_reg(ipa, IPA_IRQ_UC);  in send_uc_command()
239 	iowrite32(val, ipa->reg_virt + ipa_reg_offset(reg));  in send_uc_command()
243 void ipa_uc_panic_notifier(struct ipa *ipa)  in ipa_uc_panic_notifier()  argument
245 	if (!ipa->uc_loaded)  in ipa_uc_panic_notifier()
248 	send_uc_command(ipa, IPA_UC_COMMAND_ERR_FATAL, 0);  in ipa_uc_panic_notifier()