Lines Matching refs:cec
16 #include <media/cec.h>
17 #include <media/cec-notifier.h>
19 #include "dw-hdmi-cec.h"
67 static void dw_hdmi_write(struct dw_hdmi_cec *cec, u8 val, int offset)
69 cec->ops->write(cec->hdmi, val, offset);
72 static u8 dw_hdmi_read(struct dw_hdmi_cec *cec, int offset)
74 return cec->ops->read(cec->hdmi, offset);
79 struct dw_hdmi_cec *cec = cec_get_drvdata(adap);
82 cec->addresses = 0;
84 cec->addresses |= BIT(logical_addr) | BIT(15);
86 dw_hdmi_write(cec, cec->addresses & 255, HDMI_CEC_ADDR_L);
87 dw_hdmi_write(cec, cec->addresses >> 8, HDMI_CEC_ADDR_H);
95 struct dw_hdmi_cec *cec = cec_get_drvdata(adap);
112 dw_hdmi_write(cec, msg->msg[i], HDMI_CEC_TX_DATA0 + i);
114 dw_hdmi_write(cec, msg->len, HDMI_CEC_TX_CNT);
115 dw_hdmi_write(cec, ctrl | CEC_CTRL_START, HDMI_CEC_CTRL);
123 struct dw_hdmi_cec *cec = cec_get_drvdata(adap);
124 unsigned int stat = dw_hdmi_read(cec, HDMI_IH_CEC_STAT0);
130 dw_hdmi_write(cec, stat, HDMI_IH_CEC_STAT0);
133 cec->tx_status = CEC_TX_STATUS_ERROR;
134 cec->tx_done = true;
137 cec->tx_status = CEC_TX_STATUS_OK;
138 cec->tx_done = true;
141 cec->tx_status = CEC_TX_STATUS_NACK;
142 cec->tx_done = true;
149 len = dw_hdmi_read(cec, HDMI_CEC_RX_CNT);
150 if (len > sizeof(cec->rx_msg.msg))
151 len = sizeof(cec->rx_msg.msg);
154 cec->rx_msg.msg[i] =
155 dw_hdmi_read(cec, HDMI_CEC_RX_DATA0 + i);
157 dw_hdmi_write(cec, 0, HDMI_CEC_LOCK);
159 cec->rx_msg.len = len;
161 cec->rx_done = true;
172 struct dw_hdmi_cec *cec = cec_get_drvdata(adap);
174 if (cec->tx_done) {
175 cec->tx_done = false;
176 cec_transmit_attempt_done(adap, cec->tx_status);
178 if (cec->rx_done) {
179 cec->rx_done = false;
181 cec_received_msg(adap, &cec->rx_msg);
188 struct dw_hdmi_cec *cec = cec_get_drvdata(adap);
191 dw_hdmi_write(cec, ~0, HDMI_CEC_MASK);
192 dw_hdmi_write(cec, ~0, HDMI_IH_MUTE_CEC_STAT0);
193 dw_hdmi_write(cec, 0, HDMI_CEC_POLARITY);
195 cec->ops->disable(cec->hdmi);
199 dw_hdmi_write(cec, 0, HDMI_CEC_CTRL);
200 dw_hdmi_write(cec, ~0, HDMI_IH_CEC_STAT0);
201 dw_hdmi_write(cec, 0, HDMI_CEC_LOCK);
203 dw_hdmi_cec_log_addr(cec->adap, CEC_LOG_ADDR_INVALID);
205 cec->ops->enable(cec->hdmi);
209 dw_hdmi_write(cec, irqs, HDMI_CEC_POLARITY);
210 dw_hdmi_write(cec, ~irqs, HDMI_CEC_MASK);
211 dw_hdmi_write(cec, ~irqs, HDMI_IH_MUTE_CEC_STAT0);
224 struct dw_hdmi_cec *cec = data;
226 cec_delete_adapter(cec->adap);
232 struct dw_hdmi_cec *cec;
243 cec = devm_kzalloc(&pdev->dev, sizeof(*cec), GFP_KERNEL);
244 if (!cec)
247 cec->irq = data->irq;
248 cec->ops = data->ops;
249 cec->hdmi = data->hdmi;
251 platform_set_drvdata(pdev, cec);
253 dw_hdmi_write(cec, 0, HDMI_CEC_TX_CNT);
254 dw_hdmi_write(cec, ~0, HDMI_CEC_MASK);
255 dw_hdmi_write(cec, ~0, HDMI_IH_MUTE_CEC_STAT0);
256 dw_hdmi_write(cec, 0, HDMI_CEC_POLARITY);
258 cec->adap = cec_allocate_adapter(&dw_hdmi_cec_ops, cec, "dw_hdmi",
262 if (IS_ERR(cec->adap))
263 return PTR_ERR(cec->adap);
266 cec->adap->owner = THIS_MODULE;
268 ret = devm_add_action(&pdev->dev, dw_hdmi_cec_del, cec);
270 cec_delete_adapter(cec->adap);
274 ret = devm_request_threaded_irq(&pdev->dev, cec->irq,
277 "dw-hdmi-cec", cec->adap);
281 cec->notify = cec_notifier_cec_adap_register(pdev->dev.parent,
282 NULL, cec->adap);
283 if (!cec->notify)
286 ret = cec_register_adapter(cec->adap, pdev->dev.parent);
288 cec_notifier_cec_adap_unregister(cec->notify, cec->adap);
296 devm_remove_action(&pdev->dev, dw_hdmi_cec_del, cec);
303 struct dw_hdmi_cec *cec = platform_get_drvdata(pdev);
305 cec_notifier_cec_adap_unregister(cec->notify, cec->adap);
306 cec_unregister_adapter(cec->adap);
315 .name = "dw-hdmi-cec",
323 MODULE_ALIAS(PLATFORM_MODULE_PREFIX "dw-hdmi-cec");