diff options
Diffstat (limited to 'drivers/nfc/nfcmrvl/uart.c')
-rw-r--r-- | drivers/nfc/nfcmrvl/uart.c | 52 |
1 files changed, 30 insertions, 22 deletions
diff --git a/drivers/nfc/nfcmrvl/uart.c b/drivers/nfc/nfcmrvl/uart.c index 61442d652..83a99e38e 100644 --- a/drivers/nfc/nfcmrvl/uart.c +++ b/drivers/nfc/nfcmrvl/uart.c @@ -50,23 +50,36 @@ static int nfcmrvl_uart_nci_send(struct nfcmrvl_private *priv, return nu->ops.send(nu, skb); } +static void nfcmrvl_uart_nci_update_config(struct nfcmrvl_private *priv, + const void *param) +{ + struct nci_uart *nu = priv->drv_data; + const struct nfcmrvl_fw_uart_config *config = param; + + nci_uart_set_config(nu, le32_to_cpu(config->baudrate), + config->flow_control); +} + static struct nfcmrvl_if_ops uart_ops = { .nci_open = nfcmrvl_uart_nci_open, .nci_close = nfcmrvl_uart_nci_close, .nci_send = nfcmrvl_uart_nci_send, + .nci_update_config = nfcmrvl_uart_nci_update_config }; -#ifdef CONFIG_OF - static int nfcmrvl_uart_parse_dt(struct device_node *node, struct nfcmrvl_platform_data *pdata) { struct device_node *matched_node; int ret; - matched_node = of_find_compatible_node(node, NULL, "mrvl,nfc-uart"); - if (!matched_node) - return -ENODEV; + matched_node = of_find_compatible_node(node, NULL, "marvell,nfc-uart"); + if (!matched_node) { + matched_node = of_find_compatible_node(node, NULL, + "mrvl,nfc-uart"); + if (!matched_node) + return -ENODEV; + } ret = nfcmrvl_parse_dt(matched_node, pdata); if (ret < 0) { @@ -87,16 +100,6 @@ static int nfcmrvl_uart_parse_dt(struct device_node *node, return 0; } -#else - -static int nfcmrvl_uart_parse_dt(struct device_node *node, - struct nfcmrvl_platform_data *pdata) -{ - return -ENODEV; -} - -#endif - /* ** NCI UART OPS */ @@ -127,19 +130,16 @@ static int nfcmrvl_nci_uart_open(struct nci_uart *nu) pdata = &config; } - priv = nfcmrvl_nci_register_dev(nu, &uart_ops, nu->tty->dev, pdata); + priv = nfcmrvl_nci_register_dev(NFCMRVL_PHY_UART, nu, &uart_ops, + nu->tty->dev, pdata); if (IS_ERR(priv)) return PTR_ERR(priv); - priv->phy = NFCMRVL_PHY_UART; + priv->support_fw_dnld = true; nu->drv_data = priv; nu->ndev = priv->ndev; - /* Set BREAK */ - if (priv->config.break_control && nu->tty->ops->break_ctl) - nu->tty->ops->break_ctl(nu->tty, -1); - return 0; } @@ -158,6 +158,9 @@ static void nfcmrvl_nci_uart_tx_start(struct nci_uart *nu) { struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data; + if (priv->ndev->nfc_dev->fw_download_in_progress) + return; + /* Remove BREAK to wake up the NFCC */ if (priv->config.break_control && nu->tty->ops->break_ctl) { nu->tty->ops->break_ctl(nu->tty, 0); @@ -169,13 +172,18 @@ static void nfcmrvl_nci_uart_tx_done(struct nci_uart *nu) { struct nfcmrvl_private *priv = (struct nfcmrvl_private *)nu->drv_data; + if (priv->ndev->nfc_dev->fw_download_in_progress) + return; + /* ** To ensure that if the NFCC goes in DEEP SLEEP sate we can wake him ** up. we set BREAK. Once we will be ready to send again we will remove ** it. */ - if (priv->config.break_control && nu->tty->ops->break_ctl) + if (priv->config.break_control && nu->tty->ops->break_ctl) { nu->tty->ops->break_ctl(nu->tty, -1); + usleep_range(1000, 3000); + } } static struct nci_uart nfcmrvl_nci_uart = { |