38 	struct s5p_cec_dev *cec = cec_get_drvdata(adap);  in s5p_cec_adap_enable()  local
41 		pm_runtime_get_sync(cec->dev);  in s5p_cec_adap_enable()
43 		s5p_cec_reset(cec);  in s5p_cec_adap_enable()
45 		s5p_cec_set_divider(cec);  in s5p_cec_adap_enable()
46 		s5p_cec_threshold(cec);  in s5p_cec_adap_enable()
48 		s5p_cec_unmask_tx_interrupts(cec);  in s5p_cec_adap_enable()
49 		s5p_cec_unmask_rx_interrupts(cec);  in s5p_cec_adap_enable()
50 		s5p_cec_enable_rx(cec);  in s5p_cec_adap_enable()
52 		s5p_cec_mask_tx_interrupts(cec);  in s5p_cec_adap_enable()
53 		s5p_cec_mask_rx_interrupts(cec);  in s5p_cec_adap_enable()
54 		pm_runtime_disable(cec->dev);  in s5p_cec_adap_enable()
62 	struct s5p_cec_dev *cec = cec_get_drvdata(adap);  in s5p_cec_adap_log_addr()  local
64 	s5p_cec_set_addr(cec, addr);  in s5p_cec_adap_log_addr()
71 	struct s5p_cec_dev *cec = cec_get_drvdata(adap);  in s5p_cec_adap_transmit()  local
77 	s5p_cec_copy_packet(cec, msg->msg, msg->len, max(1, attempts - 1));  in s5p_cec_adap_transmit()
83 	struct s5p_cec_dev *cec = priv;  in s5p_cec_irq_handler()  local
86 	status = s5p_cec_get_status(cec);  in s5p_cec_irq_handler()
88 	dev_dbg(cec->dev, "irq received\n");  in s5p_cec_irq_handler()
92 			dev_dbg(cec->dev, "CEC_STATUS_TX_NACK set\n");  in s5p_cec_irq_handler()
93 			cec->tx = STATE_NACK;  in s5p_cec_irq_handler()
95 			dev_dbg(cec->dev, "CEC_STATUS_TX_ERROR set\n");  in s5p_cec_irq_handler()
96 			cec->tx = STATE_ERROR;  in s5p_cec_irq_handler()
98 			dev_dbg(cec->dev, "CEC_STATUS_TX_DONE\n");  in s5p_cec_irq_handler()
99 			cec->tx = STATE_DONE;  in s5p_cec_irq_handler()
101 		s5p_clr_pending_tx(cec);  in s5p_cec_irq_handler()
106 			dev_dbg(cec->dev, "CEC_STATUS_RX_ERROR set\n");  in s5p_cec_irq_handler()
107 			s5p_cec_rx_reset(cec);  in s5p_cec_irq_handler()
108 			s5p_cec_enable_rx(cec);  in s5p_cec_irq_handler()
110 			dev_dbg(cec->dev, "CEC_STATUS_RX_DONE set\n");  in s5p_cec_irq_handler()
111 			if (cec->rx != STATE_IDLE)  in s5p_cec_irq_handler()
112 				dev_dbg(cec->dev, "Buffer overrun (worker did not process previous message)\n");  in s5p_cec_irq_handler()
113 			cec->rx = STATE_BUSY;  in s5p_cec_irq_handler()
114 			cec->msg.len = status >> 24;  in s5p_cec_irq_handler()
115 			cec->msg.rx_status = CEC_RX_STATUS_OK;  in s5p_cec_irq_handler()
116 			s5p_cec_get_rx_buf(cec, cec->msg.len,  in s5p_cec_irq_handler()
117 					cec->msg.msg);  in s5p_cec_irq_handler()
118 			cec->rx = STATE_DONE;  in s5p_cec_irq_handler()
119 			s5p_cec_enable_rx(cec);  in s5p_cec_irq_handler()
122 		s5p_clr_pending_rx(cec);  in s5p_cec_irq_handler()
129 	struct s5p_cec_dev *cec = priv;  in s5p_cec_irq_handler_thread()  local
131 	dev_dbg(cec->dev, "irq processing thread\n");  in s5p_cec_irq_handler_thread()
132 	switch (cec->tx) {  in s5p_cec_irq_handler_thread()
134 		cec_transmit_done(cec->adap, CEC_TX_STATUS_OK, 0, 0, 0, 0);  in s5p_cec_irq_handler_thread()
135 		cec->tx = STATE_IDLE;  in s5p_cec_irq_handler_thread()
138 		cec_transmit_done(cec->adap,  in s5p_cec_irq_handler_thread()
141 		cec->tx = STATE_IDLE;  in s5p_cec_irq_handler_thread()
144 		cec_transmit_done(cec->adap,  in s5p_cec_irq_handler_thread()
147 		cec->tx = STATE_IDLE;  in s5p_cec_irq_handler_thread()
150 		dev_err(cec->dev, "state set to busy, this should not occur here\n");  in s5p_cec_irq_handler_thread()
156 	switch (cec->rx) {  in s5p_cec_irq_handler_thread()
158 		cec_received_msg(cec->adap, &cec->msg);  in s5p_cec_irq_handler_thread()
159 		cec->rx = STATE_IDLE;  in s5p_cec_irq_handler_thread()
179 	struct s5p_cec_dev *cec;  in s5p_cec_probe()  local
188 	cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL);  in s5p_cec_probe()
189 	if (!cec)  in s5p_cec_probe()
192 	cec->dev = dev;  in s5p_cec_probe()
194 	cec->irq = platform_get_irq(pdev, 0);  in s5p_cec_probe()
195 	if (cec->irq < 0)  in s5p_cec_probe()
196 		return cec->irq;  in s5p_cec_probe()
198 	ret = devm_request_threaded_irq(dev, cec->irq, s5p_cec_irq_handler,  in s5p_cec_probe()
199 		s5p_cec_irq_handler_thread, 0, pdev->name, cec);  in s5p_cec_probe()
203 	cec->clk = devm_clk_get(dev, "hdmicec");  in s5p_cec_probe()
204 	if (IS_ERR(cec->clk))  in s5p_cec_probe()
205 		return PTR_ERR(cec->clk);  in s5p_cec_probe()
207 	cec->pmu = syscon_regmap_lookup_by_phandle(dev->of_node,  in s5p_cec_probe()
209 	if (IS_ERR(cec->pmu))  in s5p_cec_probe()
213 	cec->reg = devm_ioremap_resource(dev, res);  in s5p_cec_probe()
214 	if (IS_ERR(cec->reg))  in s5p_cec_probe()
215 		return PTR_ERR(cec->reg);  in s5p_cec_probe()
217 	cec->adap = cec_allocate_adapter(&s5p_cec_adap_ops, cec, CEC_NAME,  in s5p_cec_probe()
220 	ret = PTR_ERR_OR_ZERO(cec->adap);  in s5p_cec_probe()
224 	cec->notifier = cec_notifier_cec_adap_register(hdmi_dev, NULL,  in s5p_cec_probe()
225 						       cec->adap);  in s5p_cec_probe()
226 	if (!cec->notifier) {  in s5p_cec_probe()
231 	ret = cec_register_adapter(cec->adap, &pdev->dev);  in s5p_cec_probe()
235 	platform_set_drvdata(pdev, cec);  in s5p_cec_probe()
242 	cec_notifier_cec_adap_unregister(cec->notifier);  in s5p_cec_probe()
245 	cec_delete_adapter(cec->adap);  in s5p_cec_probe()
251 	struct s5p_cec_dev *cec = platform_get_drvdata(pdev);  in s5p_cec_remove()  local
253 	cec_notifier_cec_adap_unregister(cec->notifier);  in s5p_cec_remove()
254 	cec_unregister_adapter(cec->adap);  in s5p_cec_remove()
261 	struct s5p_cec_dev *cec = dev_get_drvdata(dev);  in s5p_cec_runtime_suspend()  local
263 	clk_disable_unprepare(cec->clk);  in s5p_cec_runtime_suspend()
269 	struct s5p_cec_dev *cec = dev_get_drvdata(dev);  in s5p_cec_runtime_resume()  local
272 	ret = clk_prepare_enable(cec->clk);  in s5p_cec_runtime_resume()