333 static int meson_ao_cec_g12a_setup_clk(struct meson_ao_cec_g12a_device *ao_cec)  in meson_ao_cec_g12a_setup_clk()  argument
336 	struct device *dev = &ao_cec->pdev->dev;  in meson_ao_cec_g12a_setup_clk()
350 	parent_name = __clk_get_name(ao_cec->oscin);  in meson_ao_cec_g12a_setup_clk()
357 	dualdiv_clk->regmap = ao_cec->regmap;  in meson_ao_cec_g12a_setup_clk()
367 	ao_cec->core = clk;  in meson_ao_cec_g12a_setup_clk()
375 	struct meson_ao_cec_g12a_device *ao_cec = context;  in meson_ao_cec_g12a_read()  local
379 	ret = regmap_write(ao_cec->regmap, CECB_RW_REG, reg);  in meson_ao_cec_g12a_read()
383 	ret = regmap_read_poll_timeout(ao_cec->regmap, CECB_RW_REG, reg,  in meson_ao_cec_g12a_read()
389 	ret = regmap_read(ao_cec->regmap, CECB_RW_REG, &reg);  in meson_ao_cec_g12a_read()
399 	struct meson_ao_cec_g12a_device *ao_cec = context;  in meson_ao_cec_g12a_write()  local
404 	return regmap_write(ao_cec->regmap, CECB_RW_REG, reg);  in meson_ao_cec_g12a_write()
416 meson_ao_cec_g12a_irq_setup(struct meson_ao_cec_g12a_device *ao_cec,  in meson_ao_cec_g12a_irq_setup()  argument
423 	regmap_write(ao_cec->regmap, CECB_INTR_MASKN_REG,  in meson_ao_cec_g12a_irq_setup()
427 static void meson_ao_cec_g12a_irq_rx(struct meson_ao_cec_g12a_device *ao_cec)  in meson_ao_cec_g12a_irq_rx()  argument
432 	ret = regmap_read(ao_cec->regmap_cec, CECB_RX_CNT, &val);  in meson_ao_cec_g12a_irq_rx()
434 	ao_cec->rx_msg.len = val;  in meson_ao_cec_g12a_irq_rx()
435 	if (ao_cec->rx_msg.len > CEC_MAX_MSG_SIZE)  in meson_ao_cec_g12a_irq_rx()
436 		ao_cec->rx_msg.len = CEC_MAX_MSG_SIZE;  in meson_ao_cec_g12a_irq_rx()
438 	for (i = 0; i < ao_cec->rx_msg.len; i++) {  in meson_ao_cec_g12a_irq_rx()
439 		ret |= regmap_read(ao_cec->regmap_cec,  in meson_ao_cec_g12a_irq_rx()
442 		ao_cec->rx_msg.msg[i] = val & 0xff;  in meson_ao_cec_g12a_irq_rx()
445 	ret |= regmap_write(ao_cec->regmap_cec, CECB_LOCK_BUF, 0);  in meson_ao_cec_g12a_irq_rx()
449 	cec_received_msg(ao_cec->adap, &ao_cec->rx_msg);  in meson_ao_cec_g12a_irq_rx()
454 	struct meson_ao_cec_g12a_device *ao_cec = data;  in meson_ao_cec_g12a_irq()  local
457 	regmap_read(ao_cec->regmap, CECB_INTR_STAT_REG, &stat);  in meson_ao_cec_g12a_irq()
466 	struct meson_ao_cec_g12a_device *ao_cec = data;  in meson_ao_cec_g12a_irq_thread()  local
469 	regmap_read(ao_cec->regmap, CECB_INTR_STAT_REG, &stat);  in meson_ao_cec_g12a_irq_thread()
470 	regmap_write(ao_cec->regmap, CECB_INTR_CLR_REG, stat);  in meson_ao_cec_g12a_irq_thread()
473 		cec_transmit_attempt_done(ao_cec->adap, CEC_TX_STATUS_OK);  in meson_ao_cec_g12a_irq_thread()
476 		meson_ao_cec_g12a_irq_rx(ao_cec);  in meson_ao_cec_g12a_irq_thread()
479 		cec_transmit_attempt_done(ao_cec->adap, CEC_TX_STATUS_NACK);  in meson_ao_cec_g12a_irq_thread()
482 		regmap_write(ao_cec->regmap_cec, CECB_TX_CNT, 0);  in meson_ao_cec_g12a_irq_thread()
483 		regmap_update_bits(ao_cec->regmap_cec, CECB_CTRL,  in meson_ao_cec_g12a_irq_thread()
485 		cec_transmit_attempt_done(ao_cec->adap, CEC_TX_STATUS_ARB_LOST);  in meson_ao_cec_g12a_irq_thread()
490 		cec_transmit_attempt_done(ao_cec->adap, CEC_TX_STATUS_ERROR);  in meson_ao_cec_g12a_irq_thread()
494 		regmap_write(ao_cec->regmap_cec, CECB_LOCK_BUF, 0);  in meson_ao_cec_g12a_irq_thread()
502 	struct meson_ao_cec_g12a_device *ao_cec = adap->priv;  in meson_ao_cec_g12a_set_log_addr()  local
507 		regmap_write(ao_cec->regmap_cec, CECB_LADD_LOW, 0);  in meson_ao_cec_g12a_set_log_addr()
508 		regmap_write(ao_cec->regmap_cec, CECB_LADD_HIGH, 0);  in meson_ao_cec_g12a_set_log_addr()
512 		ret = regmap_update_bits(ao_cec->regmap_cec, CECB_LADD_LOW,  in meson_ao_cec_g12a_set_log_addr()
516 		ret = regmap_update_bits(ao_cec->regmap_cec, CECB_LADD_HIGH,  in meson_ao_cec_g12a_set_log_addr()
522 	ret |= regmap_update_bits(ao_cec->regmap_cec, CECB_LADD_HIGH,  in meson_ao_cec_g12a_set_log_addr()
532 	struct meson_ao_cec_g12a_device *ao_cec = adap->priv;  in meson_ao_cec_g12a_transmit()  local
539 	ret = regmap_read(ao_cec->regmap_cec, CECB_LOCK_BUF, &val);  in meson_ao_cec_g12a_transmit()
546 	ret = regmap_read(ao_cec->regmap_cec, CECB_CTRL, &val);  in meson_ao_cec_g12a_transmit()
566 		ret |= regmap_write(ao_cec->regmap_cec, CECB_TX_DATA00 + i,  in meson_ao_cec_g12a_transmit()
569 	ret |= regmap_write(ao_cec->regmap_cec, CECB_TX_CNT, msg->len);  in meson_ao_cec_g12a_transmit()
573 	ret = regmap_update_bits(ao_cec->regmap_cec, CECB_CTRL,  in meson_ao_cec_g12a_transmit()
584 	struct meson_ao_cec_g12a_device *ao_cec = adap->priv;  in meson_ao_cec_g12a_adap_enable()  local
586 	meson_ao_cec_g12a_irq_setup(ao_cec, false);  in meson_ao_cec_g12a_adap_enable()
588 	regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG,  in meson_ao_cec_g12a_adap_enable()
595 	regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG,  in meson_ao_cec_g12a_adap_enable()
603 	regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG,  in meson_ao_cec_g12a_adap_enable()
608 	regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG,  in meson_ao_cec_g12a_adap_enable()
614 	regmap_update_bits(ao_cec->regmap, CECB_GEN_CNTL_REG,  in meson_ao_cec_g12a_adap_enable()
617 	if (ao_cec->data->ctrl2_setup)  in meson_ao_cec_g12a_adap_enable()
618 		regmap_write(ao_cec->regmap_cec, CECB_CTRL2,  in meson_ao_cec_g12a_adap_enable()
621 	meson_ao_cec_g12a_irq_setup(ao_cec, true);  in meson_ao_cec_g12a_adap_enable()
634 	struct meson_ao_cec_g12a_device *ao_cec;  in meson_ao_cec_g12a_probe()  local
643 	ao_cec = devm_kzalloc(&pdev->dev, sizeof(*ao_cec), GFP_KERNEL);  in meson_ao_cec_g12a_probe()
644 	if (!ao_cec)  in meson_ao_cec_g12a_probe()
647 	ao_cec->data = of_device_get_match_data(&pdev->dev);  in meson_ao_cec_g12a_probe()
648 	if (!ao_cec->data) {  in meson_ao_cec_g12a_probe()
653 	spin_lock_init(&ao_cec->cec_reg_lock);  in meson_ao_cec_g12a_probe()
654 	ao_cec->pdev = pdev;  in meson_ao_cec_g12a_probe()
656 	ao_cec->adap = cec_allocate_adapter(&meson_ao_cec_g12a_ops, ao_cec,  in meson_ao_cec_g12a_probe()
661 	if (IS_ERR(ao_cec->adap))  in meson_ao_cec_g12a_probe()
662 		return PTR_ERR(ao_cec->adap);  in meson_ao_cec_g12a_probe()
664 	ao_cec->adap->owner = THIS_MODULE;  in meson_ao_cec_g12a_probe()
672 	ao_cec->regmap = devm_regmap_init_mmio(&pdev->dev, base,  in meson_ao_cec_g12a_probe()
674 	if (IS_ERR(ao_cec->regmap)) {  in meson_ao_cec_g12a_probe()
675 		ret = PTR_ERR(ao_cec->regmap);  in meson_ao_cec_g12a_probe()
679 	ao_cec->regmap_cec = devm_regmap_init(&pdev->dev, NULL, ao_cec,  in meson_ao_cec_g12a_probe()
681 	if (IS_ERR(ao_cec->regmap_cec)) {  in meson_ao_cec_g12a_probe()
682 		ret = PTR_ERR(ao_cec->regmap_cec);  in meson_ao_cec_g12a_probe()
690 					0, NULL, ao_cec);  in meson_ao_cec_g12a_probe()
696 	ao_cec->oscin = devm_clk_get(&pdev->dev, "oscin");  in meson_ao_cec_g12a_probe()
697 	if (IS_ERR(ao_cec->oscin)) {  in meson_ao_cec_g12a_probe()
699 		ret = PTR_ERR(ao_cec->oscin);  in meson_ao_cec_g12a_probe()
703 	ret = meson_ao_cec_g12a_setup_clk(ao_cec);  in meson_ao_cec_g12a_probe()
707 	ret = clk_prepare_enable(ao_cec->core);  in meson_ao_cec_g12a_probe()
715 	platform_set_drvdata(pdev, ao_cec);  in meson_ao_cec_g12a_probe()
717 	ao_cec->notify = cec_notifier_cec_adap_register(hdmi_dev, NULL,  in meson_ao_cec_g12a_probe()
718 							ao_cec->adap);  in meson_ao_cec_g12a_probe()
719 	if (!ao_cec->notify) {  in meson_ao_cec_g12a_probe()
724 	ret = cec_register_adapter(ao_cec->adap, &pdev->dev);  in meson_ao_cec_g12a_probe()
729 	regmap_write(ao_cec->regmap, CECB_GEN_CNTL_REG, CECB_GEN_CNTL_RESET);  in meson_ao_cec_g12a_probe()
734 	cec_notifier_cec_adap_unregister(ao_cec->notify, ao_cec->adap);  in meson_ao_cec_g12a_probe()
737 	clk_disable_unprepare(ao_cec->core);  in meson_ao_cec_g12a_probe()
740 	cec_delete_adapter(ao_cec->adap);  in meson_ao_cec_g12a_probe()
749 	struct meson_ao_cec_g12a_device *ao_cec = platform_get_drvdata(pdev);  in meson_ao_cec_g12a_remove()  local
751 	clk_disable_unprepare(ao_cec->core);  in meson_ao_cec_g12a_remove()
753 	cec_notifier_cec_adap_unregister(ao_cec->notify, ao_cec->adap);  in meson_ao_cec_g12a_remove()
755 	cec_unregister_adapter(ao_cec->adap);  in meson_ao_cec_g12a_remove()