Commit 76b2fad7 authored by Alban Bedel's avatar Alban Bedel Committed by Marek Vasut
Browse files

eth: asix88179: Add support for the driver model



Adjust this driver to support driver model for Ethernet.
Signed-off-by: default avatarAlban Bedel <alban.bedel@avionic-design.de>
parent 620452e7
......@@ -7,6 +7,7 @@
*/
#include <common.h>
#include <dm.h>
#include <usb.h>
#include <net.h>
#include <linux/mii.h>
......@@ -197,10 +198,18 @@ static const struct {
{7, 0xcc, 0x4c, 0x04, 8},
};
#ifndef CONFIG_DM_ETH
static int curr_eth_dev; /* index for name of next device detected */
#endif
/* driver private */
struct asix_private {
#ifdef CONFIG_DM_ETH
struct ueth_data ueth;
unsigned pkt_cnt;
uint8_t *pkt_data;
uint32_t *pkt_hdr;
#endif
int flags;
int rx_urb_size;
int maxpacketsize;
......@@ -495,6 +504,7 @@ static int asix_send_common(struct ueth_data *dev,
return err;
}
#ifndef CONFIG_DM_ETH
/*
* Asix callbacks
*/
......@@ -734,3 +744,177 @@ int ax88179_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
return 1;
}
#else /* !CONFIG_DM_ETH */
static int ax88179_eth_start(struct udevice *dev)
{
struct asix_private *priv = dev_get_priv(dev);
return asix_init_common(&priv->ueth, priv);
}
void ax88179_eth_stop(struct udevice *dev)
{
struct asix_private *priv = dev_get_priv(dev);
struct ueth_data *ueth = &priv->ueth;
debug("** %s()\n", __func__);
usb_ether_advance_rxbuf(ueth, -1);
priv->pkt_cnt = 0;
priv->pkt_data = NULL;
priv->pkt_hdr = NULL;
}
int ax88179_eth_send(struct udevice *dev, void *packet, int length)
{
struct asix_private *priv = dev_get_priv(dev);
return asix_send_common(&priv->ueth, priv, packet, length);
}
int ax88179_eth_recv(struct udevice *dev, int flags, uchar **packetp)
{
struct asix_private *priv = dev_get_priv(dev);
struct ueth_data *ueth = &priv->ueth;
int ret, len;
u16 pkt_len;
/* No packet left, get a new one */
if (priv->pkt_cnt == 0) {
uint8_t *ptr;
u16 pkt_cnt;
u16 hdr_off;
u32 rx_hdr;
len = usb_ether_get_rx_bytes(ueth, &ptr);
debug("%s: first try, len=%d\n", __func__, len);
if (!len) {
if (!(flags & ETH_RECV_CHECK_DEVICE))
return -EAGAIN;
ret = usb_ether_receive(ueth, priv->rx_urb_size);
if (ret < 0)
return ret;
len = usb_ether_get_rx_bytes(ueth, &ptr);
debug("%s: second try, len=%d\n", __func__, len);
}
if (len < 4) {
usb_ether_advance_rxbuf(ueth, -1);
return -EMSGSIZE;
}
rx_hdr = *(u32 *)(ptr + len - 4);
le32_to_cpus(&rx_hdr);
pkt_cnt = (u16)rx_hdr;
if (pkt_cnt == 0) {
usb_ether_advance_rxbuf(ueth, -1);
return 0;
}
hdr_off = (u16)(rx_hdr >> 16);
if (hdr_off > len - 4) {
usb_ether_advance_rxbuf(ueth, -1);
return -EIO;
}
priv->pkt_cnt = pkt_cnt;
priv->pkt_data = ptr;
priv->pkt_hdr = (u32 *)(ptr + hdr_off);
debug("%s: %d packets received, pkt header at %d\n",
__func__, (int)priv->pkt_cnt, (int)hdr_off);
}
le32_to_cpus(priv->pkt_hdr);
pkt_len = (*priv->pkt_hdr >> 16) & 0x1fff;
*packetp = priv->pkt_data + 2;
priv->pkt_data += (pkt_len + 7) & 0xFFF8;
priv->pkt_cnt--;
priv->pkt_hdr++;
debug("%s: return packet of %d bytes (%d packets left)\n",
__func__, (int)pkt_len, priv->pkt_cnt);
return pkt_len;
}
static int ax88179_free_pkt(struct udevice *dev, uchar *packet, int packet_len)
{
struct asix_private *priv = dev_get_priv(dev);
struct ueth_data *ueth = &priv->ueth;
if (priv->pkt_cnt == 0)
usb_ether_advance_rxbuf(ueth, -1);
return 0;
}
int ax88179_write_hwaddr(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct asix_private *priv = dev_get_priv(dev);
struct ueth_data *ueth = &priv->ueth;
return asix_write_mac(ueth, pdata->enetaddr);
}
static int ax88179_eth_probe(struct udevice *dev)
{
struct eth_pdata *pdata = dev_get_platdata(dev);
struct asix_private *priv = dev_get_priv(dev);
struct usb_device *usb_dev;
int ret;
priv->flags = dev->driver_data;
ret = usb_ether_register(dev, &priv->ueth, AX_RX_URB_SIZE);
if (ret)
return ret;
usb_dev = priv->ueth.pusb_dev;
priv->maxpacketsize = usb_dev->epmaxpacketout[AX_ENDPOINT_OUT];
/* Get the MAC address */
ret = asix_read_mac(&priv->ueth, pdata->enetaddr);
if (ret)
return ret;
debug("MAC %pM\n", pdata->enetaddr);
return 0;
}
static const struct eth_ops ax88179_eth_ops = {
.start = ax88179_eth_start,
.send = ax88179_eth_send,
.recv = ax88179_eth_recv,
.free_pkt = ax88179_free_pkt,
.stop = ax88179_eth_stop,
.write_hwaddr = ax88179_write_hwaddr,
};
U_BOOT_DRIVER(ax88179_eth) = {
.name = "ax88179_eth",
.id = UCLASS_ETH,
.probe = ax88179_eth_probe,
.ops = &ax88179_eth_ops,
.priv_auto_alloc_size = sizeof(struct asix_private),
.platdata_auto_alloc_size = sizeof(struct eth_pdata),
};
static const struct usb_device_id ax88179_eth_id_table[] = {
{ USB_DEVICE(0x0b95, 0x1790), .driver_info = FLAG_TYPE_AX88179 },
{ USB_DEVICE(0x0b95, 0x178a), .driver_info = FLAG_TYPE_AX88178a },
{ USB_DEVICE(0x2001, 0x4a00), .driver_info = FLAG_TYPE_DLINK_DUB1312 },
{ USB_DEVICE(0x0df6, 0x0072), .driver_info = FLAG_TYPE_SITECOM },
{ USB_DEVICE(0x04e8, 0xa100), .driver_info = FLAG_TYPE_SAMSUNG },
{ USB_DEVICE(0x17ef, 0x304b), .driver_info = FLAG_TYPE_LENOVO },
{ USB_DEVICE(0x04b4, 0x3610), .driver_info = FLAG_TYPE_GX3 },
{ } /* Terminating entry */
};
U_BOOT_USB_DEVICE(ax88179_eth, ax88179_eth_id_table);
#endif /* !CONFIG_DM_ETH */
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