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net: smsc95xx: Add driver-model support
Add support for driver model, so that CONFIG_DM_ETH can be defined and used with this driver. Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
parent
527298c4b5
commit
0990fcb772
@ -1,4 +1,5 @@
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/*
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* Copyright (c) 2015 Google, Inc
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* Copyright (c) 2011 The Chromium OS Authors.
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* Copyright (C) 2009 NVIDIA, Corporation
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* Copyright (C) 2007-2008 SMSC (Steve Glendinning)
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@ -7,6 +8,7 @@
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*/
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#include <common.h>
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#include <dm.h>
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#include <errno.h>
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#include <malloc.h>
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#include <usb.h>
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@ -137,11 +139,16 @@
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#define TURBO_MODE
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#ifndef CONFIG_DM_ETH
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/* local vars */
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static int curr_eth_dev; /* index for name of next device detected */
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#endif
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/* driver private */
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struct smsc95xx_private {
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#ifdef CONFIG_DM_ETH
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struct ueth_data ueth;
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#endif
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size_t rx_urb_size; /* maximum USB URB size */
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u32 mac_cr; /* MAC control register value */
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int have_hwaddr; /* 1 if we have a hardware MAC address */
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@ -714,6 +721,7 @@ static int smsc95xx_send_common(struct ueth_data *dev, void *packet, int length)
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return err;
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}
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#ifndef CONFIG_DM_ETH
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/*
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* Smsc95xx callbacks
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*/
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@ -931,3 +939,137 @@ int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
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eth->priv = ss;
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return 1;
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}
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#endif /* !CONFIG_DM_ETH */
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#ifdef CONFIG_DM_ETH
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static int smsc95xx_eth_start(struct udevice *dev)
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{
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struct usb_device *udev = dev_get_parentdata(dev);
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struct smsc95xx_private *priv = dev_get_priv(dev);
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struct eth_pdata *pdata = dev_get_platdata(dev);
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/* Driver-model Ethernet ensures we have this */
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priv->have_hwaddr = 1;
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return smsc95xx_init_common(udev, &priv->ueth, priv, pdata->enetaddr);
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}
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void smsc95xx_eth_stop(struct udevice *dev)
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{
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debug("** %s()\n", __func__);
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}
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int smsc95xx_eth_send(struct udevice *dev, void *packet, int length)
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{
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struct smsc95xx_private *priv = dev_get_priv(dev);
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return smsc95xx_send_common(&priv->ueth, packet, length);
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}
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int smsc95xx_eth_recv(struct udevice *dev, int flags, uchar **packetp)
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{
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struct smsc95xx_private *priv = dev_get_priv(dev);
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struct ueth_data *ueth = &priv->ueth;
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uint8_t *ptr;
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int ret, len;
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u32 packet_len;
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len = usb_ether_get_rx_bytes(ueth, &ptr);
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debug("%s: first try, len=%d\n", __func__, len);
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if (!len) {
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if (!(flags & ETH_RECV_CHECK_DEVICE))
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return -EAGAIN;
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ret = usb_ether_receive(ueth, RX_URB_SIZE);
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if (ret == -EAGAIN)
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return ret;
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len = usb_ether_get_rx_bytes(ueth, &ptr);
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debug("%s: second try, len=%d\n", __func__, len);
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}
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/*
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* 1st 4 bytes contain the length of the actual data plus error info.
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* Extract data length.
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*/
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if (len < sizeof(packet_len)) {
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debug("Rx: incomplete packet length\n");
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goto err;
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}
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memcpy(&packet_len, ptr, sizeof(packet_len));
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le32_to_cpus(&packet_len);
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if (packet_len & RX_STS_ES_) {
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debug("Rx: Error header=%#x", packet_len);
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goto err;
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}
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packet_len = ((packet_len & RX_STS_FL_) >> 16);
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if (packet_len > len - sizeof(packet_len)) {
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debug("Rx: too large packet: %d\n", packet_len);
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goto err;
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}
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*packetp = ptr + sizeof(packet_len);
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return packet_len;
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err:
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usb_ether_advance_rxbuf(ueth, -1);
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return -EINVAL;
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}
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static int smsc95xx_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
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{
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struct smsc95xx_private *priv = dev_get_priv(dev);
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packet_len = ALIGN(packet_len, 4);
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usb_ether_advance_rxbuf(&priv->ueth, sizeof(u32) + packet_len);
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return 0;
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}
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int smsc95xx_write_hwaddr(struct udevice *dev)
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{
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struct usb_device *udev = dev_get_parentdata(dev);
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struct eth_pdata *pdata = dev_get_platdata(dev);
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struct smsc95xx_private *priv = dev_get_priv(dev);
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return smsc95xx_write_hwaddr_common(udev, priv, pdata->enetaddr);
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}
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static int smsc95xx_eth_probe(struct udevice *dev)
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{
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struct smsc95xx_private *priv = dev_get_priv(dev);
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struct ueth_data *ueth = &priv->ueth;
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return usb_ether_register(dev, ueth, RX_URB_SIZE);
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}
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static const struct eth_ops smsc95xx_eth_ops = {
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.start = smsc95xx_eth_start,
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.send = smsc95xx_eth_send,
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.recv = smsc95xx_eth_recv,
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.free_pkt = smsc95xx_free_pkt,
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.stop = smsc95xx_eth_stop,
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.write_hwaddr = smsc95xx_write_hwaddr,
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};
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U_BOOT_DRIVER(smsc95xx_eth) = {
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.name = "smsc95xx_eth",
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.id = UCLASS_ETH,
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.probe = smsc95xx_eth_probe,
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.ops = &smsc95xx_eth_ops,
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.priv_auto_alloc_size = sizeof(struct smsc95xx_private),
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.platdata_auto_alloc_size = sizeof(struct eth_pdata),
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};
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static const struct usb_device_id smsc95xx_eth_id_table[] = {
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{ USB_DEVICE(0x05ac, 0x1402) },
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{ USB_DEVICE(0x0424, 0xec00) }, /* LAN9512/LAN9514 Ethernet */
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{ USB_DEVICE(0x0424, 0x9500) }, /* LAN9500 Ethernet */
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{ USB_DEVICE(0x0424, 0x9730) }, /* LAN9730 Ethernet (HSIC) */
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{ USB_DEVICE(0x0424, 0x9900) }, /* SMSC9500 USB Ethernet (SAL10) */
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{ USB_DEVICE(0x0424, 0x9e00) }, /* LAN9500A Ethernet */
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{ } /* Terminating entry */
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};
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U_BOOT_USB_DEVICE(smsc95xx_eth, smsc95xx_eth_id_table);
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#endif
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