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path: root/drivers/net/hamradio/yam.c
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Diffstat (limited to 'drivers/net/hamradio/yam.c')
-rw-r--r--drivers/net/hamradio/yam.c132
1 files changed, 81 insertions, 51 deletions
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 5407f7486c9..b06691937ce 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -55,6 +55,8 @@
#include <asm/system.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
#include <linux/netdevice.h>
#include <linux/if_arp.h>
@@ -71,16 +73,18 @@
#include <linux/init.h>
#include <linux/yam.h>
-#include "yam9600.h"
-#include "yam1200.h"
/* --------------------------------------------------------------------- */
static const char yam_drvname[] = "yam";
-static char yam_drvinfo[] __initdata = KERN_INFO "YAM driver version 0.8 by F1OAT/F6FBB\n";
+static const char yam_drvinfo[] __initdata = KERN_INFO \
+ "YAM driver version 0.8 by F1OAT/F6FBB\n";
/* --------------------------------------------------------------------- */
+#define FIRMWARE_9600 "yam/9600.bin"
+#define FIRMWARE_1200 "yam/1200.bin"
+
#define YAM_9600 1
#define YAM_1200 2
@@ -115,10 +119,6 @@ struct yam_port {
struct net_device *dev;
- /* Stats section */
-
- struct net_device_stats stats;
-
int nb_rxint;
int nb_mdint;
@@ -345,9 +345,51 @@ static int fpga_write(int iobase, unsigned char wrd)
return 0;
}
-static unsigned char *add_mcs(unsigned char *bits, int bitrate)
+/*
+ * predef should be 0 for loading user defined mcs
+ * predef should be YAM_1200 for loading predef 1200 mcs
+ * predef should be YAM_9600 for loading predef 9600 mcs
+ */
+static unsigned char *add_mcs(unsigned char *bits, int bitrate,
+ unsigned int predef)
{
+ const char *fw_name[2] = {FIRMWARE_9600, FIRMWARE_1200};
+ const struct firmware *fw;
+ struct platform_device *pdev;
struct yam_mcs *p;
+ int err;
+
+ switch (predef) {
+ case 0:
+ fw = NULL;
+ break;
+ case YAM_1200:
+ case YAM_9600:
+ predef--;
+ pdev = platform_device_register_simple("yam", 0, NULL, 0);
+ if (IS_ERR(pdev)) {
+ printk(KERN_ERR "yam: Failed to register firmware\n");
+ return NULL;
+ }
+ err = request_firmware(&fw, fw_name[predef], &pdev->dev);
+ platform_device_unregister(pdev);
+ if (err) {
+ printk(KERN_ERR "Failed to load firmware \"%s\"\n",
+ fw_name[predef]);
+ return NULL;
+ }
+ if (fw->size != YAM_FPGA_SIZE) {
+ printk(KERN_ERR "Bogus length %zu in firmware \"%s\"\n",
+ fw->size, fw_name[predef]);
+ release_firmware(fw);
+ return NULL;
+ }
+ bits = (unsigned char *)fw->data;
+ break;
+ default:
+ printk(KERN_ERR "yam: Invalid predef number %u\n", predef);
+ return NULL;
+ }
/* If it already exists, replace the bit data */
p = yam_data;
@@ -362,6 +404,7 @@ static unsigned char *add_mcs(unsigned char *bits, int bitrate)
/* Allocate a new mcs */
if ((p = kmalloc(sizeof(struct yam_mcs), GFP_KERNEL)) == NULL) {
printk(KERN_WARNING "YAM: no memory to allocate mcs\n");
+ release_firmware(fw);
return NULL;
}
memcpy(p->bits, bits, YAM_FPGA_SIZE);
@@ -369,6 +412,7 @@ static unsigned char *add_mcs(unsigned char *bits, int bitrate)
p->next = yam_data;
yam_data = p;
+ release_firmware(fw);
return p->bits;
}
@@ -386,9 +430,11 @@ static unsigned char *get_mcs(int bitrate)
/* Load predefined mcs data */
switch (bitrate) {
case 1200:
- return add_mcs(bits_1200, bitrate);
+ /* setting predef as YAM_1200 for loading predef 1200 mcs */
+ return add_mcs(NULL, bitrate, YAM_1200);
default:
- return add_mcs(bits_9600, bitrate);
+ /* setting predef as YAM_9600 for loading predef 9600 mcs */
+ return add_mcs(NULL, bitrate, YAM_9600);
}
}
@@ -507,7 +553,7 @@ static inline void yam_rx_flag(struct net_device *dev, struct yam_port *yp)
} else {
if (!(skb = dev_alloc_skb(pkt_len))) {
printk(KERN_WARNING "%s: memory squeeze, dropping packet\n", dev->name);
- ++yp->stats.rx_dropped;
+ ++dev->stats.rx_dropped;
} else {
unsigned char *cp;
cp = skb_put(skb, pkt_len);
@@ -515,7 +561,7 @@ static inline void yam_rx_flag(struct net_device *dev, struct yam_port *yp)
memcpy(cp, yp->rx_buf, pkt_len - 1);
skb->protocol = ax25_type_trans(skb, dev);
netif_rx(skb);
- ++yp->stats.rx_packets;
+ ++dev->stats.rx_packets;
}
}
}
@@ -677,7 +723,7 @@ static void yam_tx_byte(struct net_device *dev, struct yam_port *yp)
yp->tx_count = 1;
yp->tx_state = TX_HEAD;
}
- ++yp->stats.tx_packets;
+ ++dev->stats.tx_packets;
break;
case TX_TAIL:
if (--yp->tx_count <= 0) {
@@ -716,7 +762,7 @@ static irqreturn_t yam_interrupt(int irq, void *dev_id)
handled = 1;
if (lsr & LSR_OE)
- ++yp->stats.rx_fifo_errors;
+ ++dev->stats.rx_fifo_errors;
yp->dcd = (msr & RX_DCD) ? 1 : 0;
@@ -778,16 +824,16 @@ static int yam_seq_show(struct seq_file *seq, void *v)
seq_printf(seq, " TxTail %u\n", yp->txtail);
seq_printf(seq, " SlotTime %u\n", yp->slot);
seq_printf(seq, " Persist %u\n", yp->pers);
- seq_printf(seq, " TxFrames %lu\n", yp->stats.tx_packets);
- seq_printf(seq, " RxFrames %lu\n", yp->stats.rx_packets);
+ seq_printf(seq, " TxFrames %lu\n", dev->stats.tx_packets);
+ seq_printf(seq, " RxFrames %lu\n", dev->stats.rx_packets);
seq_printf(seq, " TxInt %u\n", yp->nb_mdint);
seq_printf(seq, " RxInt %u\n", yp->nb_rxint);
- seq_printf(seq, " RxOver %lu\n", yp->stats.rx_fifo_errors);
+ seq_printf(seq, " RxOver %lu\n", dev->stats.rx_fifo_errors);
seq_printf(seq, "\n");
return 0;
}
-static struct seq_operations yam_seqops = {
+static const struct seq_operations yam_seqops = {
.start = yam_seq_start,
.next = yam_seq_next,
.stop = yam_seq_stop,
@@ -812,26 +858,6 @@ static const struct file_operations yam_info_fops = {
/* --------------------------------------------------------------------- */
-static struct net_device_stats *yam_get_stats(struct net_device *dev)
-{
- struct yam_port *yp;
-
- if (!dev)
- return NULL;
-
- yp = netdev_priv(dev);
- if (yp->magic != YAM_MAGIC)
- return NULL;
-
- /*
- * Get the current statistics. This may be called with the
- * card open or closed.
- */
- return &yp->stats;
-}
-
-/* --------------------------------------------------------------------- */
-
static int yam_open(struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
@@ -877,10 +903,10 @@ static int yam_open(struct net_device *dev)
/* Reset overruns for all ports - FPGA programming makes overruns */
for (i = 0; i < NR_PORTS; i++) {
- struct net_device *dev = yam_devs[i];
- struct yam_port *yp = netdev_priv(dev);
- inb(LSR(dev->base_addr));
- yp->stats.rx_fifo_errors = 0;
+ struct net_device *yam_dev = yam_devs[i];
+
+ inb(LSR(yam_dev->base_addr));
+ yam_dev->stats.rx_fifo_errors = 0;
}
printk(KERN_INFO "%s at iobase 0x%lx irq %u uart %s\n", dev->name, dev->base_addr, dev->irq,
@@ -959,7 +985,8 @@ static int yam_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
kfree(ym);
return -EINVAL;
}
- add_mcs(ym->bits, ym->bitrate);
+ /* setting predef as 0 for loading userdefined mcs data */
+ add_mcs(ym->bits, ym->bitrate, 0);
kfree(ym);
break;
@@ -1068,6 +1095,14 @@ static int yam_set_mac_address(struct net_device *dev, void *addr)
/* --------------------------------------------------------------------- */
+static const struct net_device_ops yam_netdev_ops = {
+ .ndo_open = yam_open,
+ .ndo_stop = yam_close,
+ .ndo_start_xmit = yam_send_packet,
+ .ndo_do_ioctl = yam_ioctl,
+ .ndo_set_mac_address = yam_set_mac_address,
+};
+
static void yam_setup(struct net_device *dev)
{
struct yam_port *yp = netdev_priv(dev);
@@ -1088,18 +1123,11 @@ static void yam_setup(struct net_device *dev)
dev->base_addr = yp->iobase;
dev->irq = yp->irq;
- dev->open = yam_open;
- dev->stop = yam_close;
- dev->do_ioctl = yam_ioctl;
- dev->hard_start_xmit = yam_send_packet;
- dev->get_stats = yam_get_stats;
-
skb_queue_head_init(&yp->send_queue);
+ dev->netdev_ops = &yam_netdev_ops;
dev->header_ops = &ax25_header_ops;
- dev->set_mac_address = yam_set_mac_address;
-
dev->type = ARPHRD_AX25;
dev->hard_header_len = AX25_MAX_HEADER_LEN;
dev->mtu = AX25_MTU;
@@ -1181,6 +1209,8 @@ static void __exit yam_cleanup_driver(void)
MODULE_AUTHOR("Frederic Rible F1OAT frible@teaser.fr");
MODULE_DESCRIPTION("Yam amateur radio modem driver");
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(FIRMWARE_1200);
+MODULE_FIRMWARE(FIRMWARE_9600);
module_init(yam_init_driver);
module_exit(yam_cleanup_driver);
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-12 19:26:53 +0000