147 	struct spi_device *spi;  member
200 static int hi3110_spi_trans(struct spi_device *spi, int len)  in hi3110_spi_trans()  argument
202 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_spi_trans()
215 	ret = spi_sync(spi, &m);  in hi3110_spi_trans()
218 		dev_err(&spi->dev, "spi transfer failed: ret = %d\n", ret);  in hi3110_spi_trans()
222 static int hi3110_cmd(struct spi_device *spi, u8 command)  in hi3110_cmd()  argument
224 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_cmd()
227 	dev_dbg(&spi->dev, "hi3110_cmd: %02X\n", command);  in hi3110_cmd()
229 	return hi3110_spi_trans(spi, 1);  in hi3110_cmd()
232 static u8 hi3110_read(struct spi_device *spi, u8 command)  in hi3110_read()  argument
234 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_read()
238 	hi3110_spi_trans(spi, 2);  in hi3110_read()
244 static void hi3110_write(struct spi_device *spi, u8 reg, u8 val)  in hi3110_write()  argument
246 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_write()
250 	hi3110_spi_trans(spi, 2);  in hi3110_write()
253 static void hi3110_hw_tx_frame(struct spi_device *spi, u8 *buf, int len)  in hi3110_hw_tx_frame()  argument
255 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_hw_tx_frame()
259 	hi3110_spi_trans(spi, len + 1);  in hi3110_hw_tx_frame()
262 static void hi3110_hw_tx(struct spi_device *spi, struct can_frame *frame)  in hi3110_hw_tx()  argument
286 		hi3110_hw_tx_frame(spi, buf, HI3110_TX_EXT_BUF_LEN -  in hi3110_hw_tx()
300 		hi3110_hw_tx_frame(spi, buf, HI3110_TX_STD_BUF_LEN -  in hi3110_hw_tx()
305 static void hi3110_hw_rx_frame(struct spi_device *spi, u8 *buf)  in hi3110_hw_rx_frame()  argument
307 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_hw_rx_frame()
310 	hi3110_spi_trans(spi, HI3110_RX_BUF_LEN);  in hi3110_hw_rx_frame()
314 static void hi3110_hw_rx(struct spi_device *spi)  in hi3110_hw_rx()  argument
316 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_hw_rx()
327 	hi3110_hw_rx_frame(spi, buf);  in hi3110_hw_rx()
360 static void hi3110_hw_sleep(struct spi_device *spi)  in hi3110_hw_sleep()  argument
362 	hi3110_write(spi, HI3110_WRITE_CTRL0, HI3110_CTRL0_SLEEP_MODE);  in hi3110_hw_sleep()
369 	struct spi_device *spi = priv->spi;  in hi3110_hard_start_xmit()  local
372 		dev_err(&spi->dev, "hard_xmit called while tx busy\n");  in hi3110_hard_start_xmit()
411 	struct spi_device *spi = priv->spi;  in hi3110_get_berr_counter()  local
414 	bec->txerr = hi3110_read(spi, HI3110_READ_TEC);  in hi3110_get_berr_counter()
415 	bec->rxerr = hi3110_read(spi, HI3110_READ_REC);  in hi3110_get_berr_counter()
421 static int hi3110_set_normal_mode(struct spi_device *spi)  in hi3110_set_normal_mode()  argument
423 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_set_normal_mode()
426 	hi3110_write(spi, HI3110_WRITE_INTE, HI3110_INT_BUSERR |  in hi3110_set_normal_mode()
430 	hi3110_write(spi, HI3110_WRITE_CTRL1, HI3110_CTRL1_TXEN);  in hi3110_set_normal_mode()
439 	hi3110_write(spi, HI3110_WRITE_CTRL0, reg);  in hi3110_set_normal_mode()
443 	reg = hi3110_read(spi, HI3110_READ_CTRL0);  in hi3110_set_normal_mode()
455 	struct spi_device *spi = priv->spi;  in hi3110_do_set_bittiming()  local
457 	hi3110_write(spi, HI3110_WRITE_BTR0,  in hi3110_do_set_bittiming()
461 	hi3110_write(spi, HI3110_WRITE_BTR1,  in hi3110_do_set_bittiming()
469 	dev_dbg(&spi->dev, "BT: 0x%02x 0x%02x\n",  in hi3110_do_set_bittiming()
470 		hi3110_read(spi, HI3110_READ_BTR0),  in hi3110_do_set_bittiming()
471 		hi3110_read(spi, HI3110_READ_BTR1));  in hi3110_do_set_bittiming()
482 static int hi3110_hw_reset(struct spi_device *spi)  in hi3110_hw_reset()  argument
490 	ret = hi3110_cmd(spi, HI3110_MASTER_RESET);  in hi3110_hw_reset()
497 	reg = hi3110_read(spi, HI3110_READ_CTRL0);  in hi3110_hw_reset()
504 	hi3110_read(spi, HI3110_READ_ERR);  in hi3110_hw_reset()
509 static int hi3110_hw_probe(struct spi_device *spi)  in hi3110_hw_probe()  argument
513 	hi3110_hw_reset(spi);  in hi3110_hw_probe()
518 	statf = hi3110_read(spi, HI3110_READ_STATF);  in hi3110_hw_probe()
520 	dev_dbg(&spi->dev, "statf: %02X\n", statf);  in hi3110_hw_probe()
542 	struct spi_device *spi = priv->spi;  in hi3110_stop()  local
547 	free_irq(spi->irq, priv);  in hi3110_stop()
554 	hi3110_write(spi, HI3110_WRITE_CTRL1, 0x0);  in hi3110_stop()
555 	hi3110_write(spi, HI3110_WRITE_INTE, 0x0);  in hi3110_stop()
556 	hi3110_read(spi, HI3110_READ_INTF);  in hi3110_stop()
560 	hi3110_hw_sleep(spi);  in hi3110_stop()
575 	struct spi_device *spi = priv->spi;  in hi3110_tx_work_handler()  local
585 			hi3110_hw_tx(spi, frame);  in hi3110_tx_work_handler()
598 	struct spi_device *spi = priv->spi;  in hi3110_restart_work_handler()  local
603 		hi3110_hw_reset(spi);  in hi3110_restart_work_handler()
606 			hi3110_set_normal_mode(spi);  in hi3110_restart_work_handler()
610 			hi3110_set_normal_mode(spi);  in hi3110_restart_work_handler()
613 			hi3110_hw_sleep(spi);  in hi3110_restart_work_handler()
621 		hi3110_hw_reset(spi);  in hi3110_restart_work_handler()
624 		hi3110_set_normal_mode(spi);  in hi3110_restart_work_handler()
633 	struct spi_device *spi = priv->spi;  in hi3110_can_ist()  local
643 			 (statf = hi3110_read(spi, HI3110_READ_STATF)))) {  in hi3110_can_ist()
644 			hi3110_hw_rx(spi);  in hi3110_can_ist()
647 		intf = hi3110_read(spi, HI3110_READ_INTF);  in hi3110_can_ist()
648 		eflag = hi3110_read(spi, HI3110_READ_ERR);  in hi3110_can_ist()
667 			txerr = hi3110_read(spi, HI3110_READ_TEC);  in hi3110_can_ist()
668 			rxerr = hi3110_read(spi, HI3110_READ_REC);  in hi3110_can_ist()
679 					hi3110_hw_sleep(spi);  in hi3110_can_ist()
727 					cf->data[6] = hi3110_read(spi, HI3110_READ_TEC);  in hi3110_can_ist()
728 					cf->data[7] = hi3110_read(spi, HI3110_READ_REC);  in hi3110_can_ist()
751 	struct spi_device *spi = priv->spi;  in hi3110_open()  local
766 	ret = request_threaded_irq(spi->irq, NULL, hi3110_can_ist,  in hi3110_open()
769 		dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq);  in hi3110_open()
782 	ret = hi3110_hw_reset(spi);  in hi3110_open()
790 	ret = hi3110_set_normal_mode(spi);  in hi3110_open()
802 	free_irq(spi->irq, priv);  in hi3110_open()
803 	hi3110_hw_sleep(spi);  in hi3110_open()
837 MODULE_DEVICE_TABLE(spi, hi3110_id_table);
839 static int hi3110_can_probe(struct spi_device *spi)  in hi3110_can_probe()  argument
841 	struct device *dev = &spi->dev;  in hi3110_can_probe()
848 	clk = devm_clk_get_optional(&spi->dev, NULL);  in hi3110_can_probe()
887 	priv->model = (enum hi3110_model)(uintptr_t)spi_get_device_match_data(spi);  in hi3110_can_probe()
891 	spi_set_drvdata(spi, priv);  in hi3110_can_probe()
894 	spi->bits_per_word = 8;  in hi3110_can_probe()
895 	ret = spi_setup(spi);  in hi3110_can_probe()
899 	priv->power = devm_regulator_get_optional(&spi->dev, "vdd");  in hi3110_can_probe()
900 	priv->transceiver = devm_regulator_get_optional(&spi->dev, "xceiver");  in hi3110_can_probe()
911 	priv->spi = spi;  in hi3110_can_probe()
914 	priv->spi_tx_buf = devm_kzalloc(&spi->dev, HI3110_RX_BUF_LEN,  in hi3110_can_probe()
920 	priv->spi_rx_buf = devm_kzalloc(&spi->dev, HI3110_RX_BUF_LEN,  in hi3110_can_probe()
928 	SET_NETDEV_DEV(net, &spi->dev);  in hi3110_can_probe()
930 	ret = hi3110_hw_probe(spi);  in hi3110_can_probe()
935 	hi3110_hw_sleep(spi);  in hi3110_can_probe()
957 static void hi3110_can_remove(struct spi_device *spi)  in hi3110_can_remove()  argument
959 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_can_remove()
973 	struct spi_device *spi = to_spi_device(dev);  in hi3110_can_suspend()  local
974 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_can_suspend()
978 	disable_irq(spi->irq);  in hi3110_can_suspend()
986 		hi3110_hw_sleep(spi);  in hi3110_can_suspend()
1003 	struct spi_device *spi = to_spi_device(dev);  in hi3110_can_resume()  local
1004 	struct hi3110_priv *priv = spi_get_drvdata(spi);  in hi3110_can_resume()
1017 	enable_irq(spi->irq);  in hi3110_can_resume()