[PATCH v2] staging: gdm72xx: Add GCT GDM72xx WiMAX driver.

From: Sage Ahn
Date: Tue May 15 2012 - 00:21:26 EST

Next message: Vinod Koul: "Re: [PATCH 1/9 v3] dmaengine: add an shdma-base library"
Previous message: Hugh Dickins: "Re: [PATCH 1/10] shmem: replace page if mapping excludes its zone"
Next in thread: Greg Kroah-Hartman: "Re: [PATCH v2] staging: gdm72xx: Add GCT GDM72xx WiMAX driver."
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This patch provides the kernel driver for the GDM72xx WiMAX chips
developed by GCT Semiconductor, Inc., which enables mobile WiMAX
connection on the Linux host.

Signed-off-by: Sage Ahn <syahn@xxxxxxxxxxx>
Cc: Ben Chan <benchan@xxxxxxxxxxxx>
---
Fix license headers.

drivers/staging/Kconfig | 2 +
drivers/staging/Makefile | 1 +
drivers/staging/gdm72xx/Kconfig | 45 ++
drivers/staging/gdm72xx/Makefile | 6 +
drivers/staging/gdm72xx/TODO | 5 +
drivers/staging/gdm72xx/gdm_qos.c | 460 ++++++++++++++++
drivers/staging/gdm72xx/gdm_qos.h | 93 ++++
drivers/staging/gdm72xx/gdm_sdio.c | 754 ++++++++++++++++++++++++++
drivers/staging/gdm72xx/gdm_sdio.h | 72 +++
drivers/staging/gdm72xx/gdm_usb.c | 804 +++++++++++++++++++++++++++
drivers/staging/gdm72xx/gdm_usb.h | 85 +++
drivers/staging/gdm72xx/gdm_wimax.c | 1025 +++++++++++++++++++++++++++++++++++
drivers/staging/gdm72xx/gdm_wimax.h | 92 ++++
drivers/staging/gdm72xx/hci.h | 218 ++++++++
drivers/staging/gdm72xx/netlink_k.c | 150 +++++
drivers/staging/gdm72xx/netlink_k.h | 24 +
drivers/staging/gdm72xx/sdio_boot.c | 159 ++++++
drivers/staging/gdm72xx/sdio_boot.h | 21 +
drivers/staging/gdm72xx/usb_boot.c | 404 ++++++++++++++
drivers/staging/gdm72xx/usb_boot.h | 22 +
drivers/staging/gdm72xx/usb_ids.h | 82 +++
drivers/staging/gdm72xx/wm_ioctl.h | 97 ++++
22 files changed, 4621 insertions(+), 0 deletions(-)
create mode 100644 drivers/staging/gdm72xx/Kconfig
create mode 100644 drivers/staging/gdm72xx/Makefile
create mode 100644 drivers/staging/gdm72xx/TODO
create mode 100644 drivers/staging/gdm72xx/gdm_qos.c
create mode 100644 drivers/staging/gdm72xx/gdm_qos.h
create mode 100644 drivers/staging/gdm72xx/gdm_sdio.c
create mode 100644 drivers/staging/gdm72xx/gdm_sdio.h
create mode 100644 drivers/staging/gdm72xx/gdm_usb.c
create mode 100644 drivers/staging/gdm72xx/gdm_usb.h
create mode 100644 drivers/staging/gdm72xx/gdm_wimax.c
create mode 100644 drivers/staging/gdm72xx/gdm_wimax.h
create mode 100644 drivers/staging/gdm72xx/hci.h
create mode 100644 drivers/staging/gdm72xx/netlink_k.c
create mode 100644 drivers/staging/gdm72xx/netlink_k.h
create mode 100644 drivers/staging/gdm72xx/sdio_boot.c
create mode 100644 drivers/staging/gdm72xx/sdio_boot.h
create mode 100644 drivers/staging/gdm72xx/usb_boot.c
create mode 100644 drivers/staging/gdm72xx/usb_boot.h
create mode 100644 drivers/staging/gdm72xx/usb_ids.h
create mode 100644 drivers/staging/gdm72xx/wm_ioctl.h

diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index d6417d11..7e0e5e4 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -130,4 +130,6 @@ source "drivers/staging/ozwpan/Kconfig"

source "drivers/staging/ipack/Kconfig"

+source "drivers/staging/gdm72xx/Kconfig"
+
endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index fd8b7ce..3090105 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -57,3 +57,4 @@ obj-$(CONFIG_ANDROID) += android/
obj-$(CONFIG_PHONE) += telephony/
obj-$(CONFIG_RAMSTER) += ramster/
obj-$(CONFIG_USB_WPAN_HCD) += ozwpan/
+obj-$(CONFIG_WIMAX_GDM72XX) += gdm72xx/
diff --git a/drivers/staging/gdm72xx/Kconfig b/drivers/staging/gdm72xx/Kconfig
new file mode 100644
index 0000000..5c37cba
--- /dev/null
+++ b/drivers/staging/gdm72xx/Kconfig
@@ -0,0 +1,45 @@
+#
+# GCT GDM72xx WiMAX driver configuration
+#
+
+menuconfig WIMAX_GDM72XX
+ tristate "GCT GDM72xx WiMAX support"
+ help
+ Support for the GCT GDM72xx WiMAX chip
+
+if WIMAX_GDM72XX
+
+config WIMAX_GDM72XX_QOS
+ bool "Enable QoS support"
+ default n
+
+config WIMAX_GDM72XX_K_MODE
+ bool "Enable K mode"
+ default n
+
+config WIMAX_GDM72XX_WIMAX2
+ bool "Enable WIMAX2 support"
+ default n
+
+choice
+ prompt "Select interface"
+
+config WIMAX_GDM72XX_USB
+ bool "USB interface"
+ depends on USB
+
+config WIMAX_GDM72XX_SDIO
+ bool "SDIO interface"
+ depends on MMC
+
+endchoice
+
+if WIMAX_GDM72XX_USB
+
+config WIMAX_GDM72XX_USB_PM
+ bool "Enable power managerment support"
+ default n
+
+endif # WIMAX_GDM72XX_USB
+
+endif # WIMAX_GDM72XX
diff --git a/drivers/staging/gdm72xx/Makefile b/drivers/staging/gdm72xx/Makefile
new file mode 100644
index 0000000..35da7b9
--- /dev/null
+++ b/drivers/staging/gdm72xx/Makefile
@@ -0,0 +1,6 @@
+obj-$(CONFIG_WIMAX_GDM72XX) := gdmwm.o
+
+gdmwm-y += gdm_wimax.o netlink_k.o
+gdmwm-$(CONFIG_WIMAX_GDM72XX_QOS) += gdm_qos.o
+gdmwm-$(CONFIG_WIMAX_GDM72XX_SDIO) += gdm_sdio.o sdio_boot.o
+gdmwm-$(CONFIG_WIMAX_GDM72XX_USB) += gdm_usb.o usb_boot.o
diff --git a/drivers/staging/gdm72xx/TODO b/drivers/staging/gdm72xx/TODO
new file mode 100644
index 0000000..30ac01a
--- /dev/null
+++ b/drivers/staging/gdm72xx/TODO
@@ -0,0 +1,5 @@
+TODO:
+- Replace kernel_thread with kthread in gdm_usb.c
+- Replace hard-coded firmware paths with request_firmware in
+ sdio_boot.c and usb_boot.c
+- Clean up coding style to meet kernel standard.
diff --git a/drivers/staging/gdm72xx/gdm_qos.c b/drivers/staging/gdm72xx/gdm_qos.c
new file mode 100644
index 0000000..0217680
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_qos.c
@@ -0,0 +1,460 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/version.h>
+#include <linux/etherdevice.h>
+#include <asm/byteorder.h>
+
+#include <linux/ip.h>
+#include <linux/tcp.h>
+#include <linux/if_ether.h>
+
+#include "gdm_wimax.h"
+#include "hci.h"
+#include "gdm_qos.h"
+
+#define B2H(x) __be16_to_cpu(x)
+
+#undef dprintk
+#define dprintk(fmt, args ...) printk(KERN_DEBUG "[QoS] " fmt, ## args)
+#undef wprintk
+#define wprintk(fmt, args ...) \
+ printk(KERN_WARNING "[QoS WARNING] " fmt, ## args)
+#undef eprintk
+#define eprintk(fmt, args ...) printk(KERN_ERR "[QoS ERROR] " fmt, ## args)
+
+
+#define MAX_FREE_LIST_CNT 32
+static struct {
+ struct list_head head;
+ int cnt;
+ spinlock_t lock;
+} qos_free_list;
+
+static void init_qos_entry_list(void)
+{
+ qos_free_list.cnt = 0;
+ INIT_LIST_HEAD(&qos_free_list.head);
+ spin_lock_init(&qos_free_list.lock);
+}
+
+static void *alloc_qos_entry(void)
+{
+ struct qos_entry_s *entry;
+ unsigned long flags;
+
+ spin_lock_irqsave(&qos_free_list.lock, flags);
+ if (qos_free_list.cnt) {
+ entry = list_entry(qos_free_list.head.prev, struct qos_entry_s,
+ list);
+ list_del(&entry->list);
+ qos_free_list.cnt--;
+ spin_unlock_irqrestore(&qos_free_list.lock, flags);
+ return entry;
+ }
+ spin_unlock_irqrestore(&qos_free_list.lock, flags);
+
+ entry = kmalloc(sizeof(struct qos_entry_s), GFP_ATOMIC);
+ return entry;
+}
+
+static void free_qos_entry(void *entry)
+{
+ struct qos_entry_s *qentry = (struct qos_entry_s *) entry;
+ unsigned long flags;
+
+ spin_lock_irqsave(&qos_free_list.lock, flags);
+ if (qos_free_list.cnt < MAX_FREE_LIST_CNT) {
+ list_add(&qentry->list, &qos_free_list.head);
+ qos_free_list.cnt++;
+ spin_unlock_irqrestore(&qos_free_list.lock, flags);
+ return;
+ }
+ spin_unlock_irqrestore(&qos_free_list.lock, flags);
+
+ kfree(entry);
+}
+
+static void free_qos_entry_list(struct list_head *free_list)
+{
+ struct qos_entry_s *entry, *n;
+ int total_free = 0;
+
+ list_for_each_entry_safe(entry, n, free_list, list) {
+ list_del(&entry->list);
+ kfree(entry);
+ total_free++;
+ }
+
+ dprintk("%s: total_free_cnt=%d\n", __func__, total_free);
+}
+
+void gdm_qos_init(void *nic_ptr)
+{
+ struct nic *nic = nic_ptr;
+ struct qos_cb_s *qcb = &nic->qos;
+ int i;
+
+ for (i = 0 ; i < QOS_MAX; i++) {
+ INIT_LIST_HEAD(&qcb->qos_list[i]);
+ qcb->csr[i].QoSBufCount = 0;
+ qcb->csr[i].Enabled = 0;
+ }
+
+ qcb->qos_list_cnt = 0;
+ qcb->qos_null_idx = QOS_MAX-1;
+ qcb->qos_limit_size = 255;
+
+ spin_lock_init(&qcb->qos_lock);
+
+ init_qos_entry_list();
+}
+
+void gdm_qos_release_list(void *nic_ptr)
+{
+ struct nic *nic = nic_ptr;
+ struct qos_cb_s *qcb = &nic->qos;
+ unsigned long flags;
+ struct qos_entry_s *entry, *n;
+ struct list_head free_list;
+ int i;
+
+ INIT_LIST_HEAD(&free_list);
+
+ spin_lock_irqsave(&qcb->qos_lock, flags);
+
+ for (i = 0; i < QOS_MAX; i++) {
+ qcb->csr[i].QoSBufCount = 0;
+ qcb->csr[i].Enabled = 0;
+ }
+
+ qcb->qos_list_cnt = 0;
+ qcb->qos_null_idx = QOS_MAX-1;
+
+ for (i = 0; i < QOS_MAX; i++) {
+ list_for_each_entry_safe(entry, n, &qcb->qos_list[i], list) {
+ list_move_tail(&entry->list, &free_list);
+ }
+ }
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ free_qos_entry_list(&free_list);
+}
+
+static u32 chk_ipv4_rule(struct gdm_wimax_csr_s *csr, u8 *Stream, u8 *port)
+{
+ int i;
+
+ if (csr->ClassifierRuleEnable&IPTYPEOFSERVICE) {
+ if (((Stream[1] & csr->IPToSMask) < csr->IPToSLow) ||
+ ((Stream[1] & csr->IPToSMask) > csr->IPToSHigh))
+ return 1;
+ }
+
+ if (csr->ClassifierRuleEnable&PROTOCOL) {
+ if (Stream[9] != csr->Protocol)
+ return 1;
+ }
+
+ if (csr->ClassifierRuleEnable&IPMASKEDSRCADDRESS) {
+ for (i = 0; i < 4; i++) {
+ if ((Stream[12 + i] & csr->IPSrcAddrMask[i]) !=
+ (csr->IPSrcAddr[i] & csr->IPSrcAddrMask[i]))
+ return 1;
+ }
+ }
+
+ if (csr->ClassifierRuleEnable&IPMASKEDDSTADDRESS) {
+ for (i = 0; i < 4; i++) {
+ if ((Stream[16 + i] & csr->IPDstAddrMask[i]) !=
+ (csr->IPDstAddr[i] & csr->IPDstAddrMask[i]))
+ return 1;
+ }
+ }
+
+ if (csr->ClassifierRuleEnable&PROTOCOLSRCPORTRANGE) {
+ i = ((port[0]<<8)&0xff00)+port[1];
+ if ((i < csr->SrcPortLow) || (i > csr->SrcPortHigh))
+ return 1;
+ }
+
+ if (csr->ClassifierRuleEnable&PROTOCOLDSTPORTRANGE) {
+ i = ((port[2]<<8)&0xff00)+port[3];
+ if ((i < csr->DstPortLow) || (i > csr->DstPortHigh))
+ return 1;
+ }
+
+ return 0;
+}
+
+static u32 get_qos_index(struct nic *nic, u8* iph, u8* tcpudph)
+{
+ u32 IP_Ver, Header_Len, i;
+ struct qos_cb_s *qcb = &nic->qos;
+
+ if (iph == NULL || tcpudph == NULL)
+ return -1;
+
+ IP_Ver = (iph[0]>>4)&0xf;
+ Header_Len = iph[0]&0xf;
+
+ if (IP_Ver == 4) {
+ for (i = 0; i < QOS_MAX; i++) {
+ if (qcb->csr[i].Enabled) {
+ if (qcb->csr[i].ClassifierRuleEnable) {
+ if (chk_ipv4_rule(&qcb->csr[i], iph,
+ tcpudph) == 0)
+ return i;
+ }
+ }
+ }
+ }
+
+ return -1;
+}
+
+static u32 extract_qos_list(struct nic *nic, struct list_head *head)
+{
+ struct qos_cb_s *qcb = &nic->qos;
+ struct qos_entry_s *entry;
+ int i;
+
+ INIT_LIST_HEAD(head);
+
+ for (i = 0; i < QOS_MAX; i++) {
+ if (qcb->csr[i].Enabled) {
+ if (qcb->csr[i].QoSBufCount < qcb->qos_limit_size) {
+ if (!list_empty(&qcb->qos_list[i])) {
+ entry = list_entry(
+ qcb->qos_list[i].prev,
+ struct qos_entry_s, list);
+ list_move_tail(&entry->list, head);
+ qcb->csr[i].QoSBufCount++;
+
+ if (!list_empty(&qcb->qos_list[i]))
+ wprintk("QoS Index(%d) "
+ "is piled!!\n", i);
+ }
+ }
+ }
+ }
+
+ return 0;
+}
+
+static void send_qos_list(struct nic *nic, struct list_head *head)
+{
+ struct qos_entry_s *entry, *n;
+
+ list_for_each_entry_safe(entry, n, head, list) {
+ list_del(&entry->list);
+ free_qos_entry(entry);
+ gdm_wimax_send_tx(entry->skb, entry->dev);
+ }
+}
+
+int gdm_qos_send_hci_pkt(struct sk_buff *skb, struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+ int index;
+ struct qos_cb_s *qcb = &nic->qos;
+ unsigned long flags;
+ struct ethhdr *ethh = (struct ethhdr *) (skb->data + HCI_HEADER_SIZE);
+ struct iphdr *iph = (struct iphdr *) ((char *) ethh + ETH_HLEN);
+ struct tcphdr *tcph;
+ struct qos_entry_s *entry = NULL;
+ struct list_head send_list;
+ int ret = 0;
+
+ tcph = (struct tcphdr *) iph + iph->ihl*4;
+
+ if (B2H(ethh->h_proto) == ETH_P_IP) {
+ if (qcb->qos_list_cnt && !qos_free_list.cnt) {
+ entry = alloc_qos_entry();
+ entry->skb = skb;
+ entry->dev = dev;
+ dprintk("qcb->qos_list_cnt=%d\n", qcb->qos_list_cnt);
+ }
+
+ spin_lock_irqsave(&qcb->qos_lock, flags);
+ if (qcb->qos_list_cnt) {
+ index = get_qos_index(nic, (u8 *)iph, (u8 *) tcph);
+ if (index == -1)
+ index = qcb->qos_null_idx;
+
+ if (!entry) {
+ entry = alloc_qos_entry();
+ entry->skb = skb;
+ entry->dev = dev;
+ }
+
+ list_add_tail(&entry->list, &qcb->qos_list[index]);
+ extract_qos_list(nic, &send_list);
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ send_qos_list(nic, &send_list);
+ goto out;
+ }
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ if (entry)
+ free_qos_entry(entry);
+ }
+
+ ret = gdm_wimax_send_tx(skb, dev);
+out:
+ return ret;
+}
+
+static u32 get_csr(struct qos_cb_s *qcb, u32 SFID, int mode)
+{
+ int i;
+
+ for (i = 0; i < qcb->qos_list_cnt; i++) {
+ if (qcb->csr[i].SFID == SFID)
+ return i;
+ }
+
+ if (mode) {
+ for (i = 0; i < QOS_MAX; i++) {
+ if (qcb->csr[i].Enabled == 0) {
+ qcb->csr[i].Enabled = 1;
+ qcb->qos_list_cnt++;
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+#define QOS_CHANGE_DEL 0xFC
+#define QOS_ADD 0xFD
+#define QOS_REPORT 0xFE
+
+void gdm_recv_qos_hci_packet(void *nic_ptr, u8 *buf, int size)
+{
+ struct nic *nic = nic_ptr;
+ u32 i, SFID, index, pos;
+ u8 subCmdEvt;
+ u8 len;
+ struct qos_cb_s *qcb = &nic->qos;
+ struct qos_entry_s *entry, *n;
+ struct list_head send_list;
+ struct list_head free_list;
+ unsigned long flags;
+
+ subCmdEvt = (u8)buf[4];
+
+ if (subCmdEvt == QOS_REPORT) {
+ len = (u8)buf[5];
+
+ spin_lock_irqsave(&qcb->qos_lock, flags);
+ for (i = 0; i < qcb->qos_list_cnt; i++) {
+ SFID = ((buf[(i*5)+6]<<24)&0xff000000);
+ SFID += ((buf[(i*5)+7]<<16)&0xff0000);
+ SFID += ((buf[(i*5)+8]<<8)&0xff00);
+ SFID += (buf[(i*5)+9]);
+ index = get_csr(qcb, SFID, 0);
+ if (index == -1) {
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ eprintk("QoS ERROR: No SF\n");
+ return;
+ }
+ qcb->csr[index].QoSBufCount = buf[(i*5)+10];
+ }
+
+ extract_qos_list(nic, &send_list);
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ send_qos_list(nic, &send_list);
+ return;
+ } else if (subCmdEvt == QOS_ADD) {
+ pos = 5;
+ len = (u8)buf[pos++];
+
+ SFID = ((buf[pos++]<<24)&0xff000000);
+ SFID += ((buf[pos++]<<16)&0xff0000);
+ SFID += ((buf[pos++]<<8)&0xff00);
+ SFID += (buf[pos++]);
+
+ index = get_csr(qcb, SFID, 1);
+ if (index == -1) {
+ eprintk("QoS ERROR: csr Update Error\n");
+ return;
+ }
+
+ dprintk("QOS_ADD SFID = 0x%x, index=%d\n", SFID, index);
+
+ spin_lock_irqsave(&qcb->qos_lock, flags);
+ qcb->csr[index].SFID = SFID;
+ qcb->csr[index].ClassifierRuleEnable = ((buf[pos++]<<8)&0xff00);
+ qcb->csr[index].ClassifierRuleEnable += buf[pos++];
+ if (qcb->csr[index].ClassifierRuleEnable == 0)
+ qcb->qos_null_idx = index;
+ qcb->csr[index].IPToSMask = buf[pos++];
+ qcb->csr[index].IPToSLow = buf[pos++];
+ qcb->csr[index].IPToSHigh = buf[pos++];
+ qcb->csr[index].Protocol = buf[pos++];
+ qcb->csr[index].IPSrcAddrMask[0] = buf[pos++];
+ qcb->csr[index].IPSrcAddrMask[1] = buf[pos++];
+ qcb->csr[index].IPSrcAddrMask[2] = buf[pos++];
+ qcb->csr[index].IPSrcAddrMask[3] = buf[pos++];
+ qcb->csr[index].IPSrcAddr[0] = buf[pos++];
+ qcb->csr[index].IPSrcAddr[1] = buf[pos++];
+ qcb->csr[index].IPSrcAddr[2] = buf[pos++];
+ qcb->csr[index].IPSrcAddr[3] = buf[pos++];
+ qcb->csr[index].IPDstAddrMask[0] = buf[pos++];
+ qcb->csr[index].IPDstAddrMask[1] = buf[pos++];
+ qcb->csr[index].IPDstAddrMask[2] = buf[pos++];
+ qcb->csr[index].IPDstAddrMask[3] = buf[pos++];
+ qcb->csr[index].IPDstAddr[0] = buf[pos++];
+ qcb->csr[index].IPDstAddr[1] = buf[pos++];
+ qcb->csr[index].IPDstAddr[2] = buf[pos++];
+ qcb->csr[index].IPDstAddr[3] = buf[pos++];
+ qcb->csr[index].SrcPortLow = ((buf[pos++]<<8)&0xff00);
+ qcb->csr[index].SrcPortLow += buf[pos++];
+ qcb->csr[index].SrcPortHigh = ((buf[pos++]<<8)&0xff00);
+ qcb->csr[index].SrcPortHigh += buf[pos++];
+ qcb->csr[index].DstPortLow = ((buf[pos++]<<8)&0xff00);
+ qcb->csr[index].DstPortLow += buf[pos++];
+ qcb->csr[index].DstPortHigh = ((buf[pos++]<<8)&0xff00);
+ qcb->csr[index].DstPortHigh += buf[pos++];
+
+ qcb->qos_limit_size = 254/qcb->qos_list_cnt;
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ } else if (subCmdEvt == QOS_CHANGE_DEL) {
+ pos = 5;
+ len = (u8)buf[pos++];
+ SFID = ((buf[pos++]<<24)&0xff000000);
+ SFID += ((buf[pos++]<<16)&0xff0000);
+ SFID += ((buf[pos++]<<8)&0xff00);
+ SFID += (buf[pos++]);
+ index = get_csr(qcb, SFID, 1);
+ if (index == -1) {
+ eprintk("QoS ERROR: Wrong index(%d)\n", index);
+ return;
+ }
+
+ dprintk("QOS_CHANGE_DEL SFID = 0x%x, index=%d\n", SFID, index);
+
+ INIT_LIST_HEAD(&free_list);
+
+ spin_lock_irqsave(&qcb->qos_lock, flags);
+ qcb->csr[index].Enabled = 0;
+ qcb->qos_list_cnt--;
+ qcb->qos_limit_size = 254/qcb->qos_list_cnt;
+
+ list_for_each_entry_safe(entry, n, &qcb->qos_list[index],
+ list) {
+ list_move_tail(&entry->list, &free_list);
+ }
+ spin_unlock_irqrestore(&qcb->qos_lock, flags);
+ free_qos_entry_list(&free_list);
+ }
+}
diff --git a/drivers/staging/gdm72xx/gdm_qos.h b/drivers/staging/gdm72xx/gdm_qos.h
new file mode 100644
index 0000000..33f2bd4
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_qos.h
@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#if !defined(GDM_QOS_H_20090403)
+#define GDM_QOS_H_20090403
+
+#include <linux/types.h>
+#include <linux/usb.h>
+#include <linux/list.h>
+
+#define BOOLEAN u8
+
+#define QOS_MAX 16
+#define IPTYPEOFSERVICE 0x8000
+#define PROTOCOL 0x4000
+#define IPMASKEDSRCADDRESS 0x2000
+#define IPMASKEDDSTADDRESS 0x1000
+#define PROTOCOLSRCPORTRANGE 0x800
+#define PROTOCOLDSTPORTRANGE 0x400
+#define DSTMACADDR 0x200
+#define SRCMACADDR 0x100
+#define ETHERTYPE 0x80
+#define IEEE802_1DUSERPRIORITY 0x40
+#define IEEE802_1QVLANID 0x10
+
+struct gdm_wimax_csr_s {
+ /* union{
+ U16 all;
+ struct _CS_CLASSIFIER_RULE_ENABLE{
+ IPTypeOfService:1,
+ Protocol:1,
+ IPMaskedSrcAddress:1,
+ IPMaskedDstAddress:1,
+ ProtocolSrcPortRange:1,
+ ProtocolDstPortRange:1,
+ DstMacAddr:1,
+ SrcMacAddr:1,
+ Ethertype:1,
+ IEEE802_1DUserPriority:1,
+ IEEE802_1QVLANID:1,
+ Reserved:5;
+ } fields;
+ } */
+ BOOLEAN Enabled;
+ u32 SFID;
+ u8 QoSBufCount;
+ u16 ClassifierRuleEnable;
+ u8 IPToSLow;
+ u8 IPToSHigh;
+ u8 IPToSMask;
+ u8 Protocol;
+ u8 IPSrcAddr[16];
+ u8 IPSrcAddrMask[16];
+ u8 IPDstAddr[16];
+ u8 IPDstAddrMask[16];
+ u16 SrcPortLow;
+ u16 SrcPortHigh;
+ u16 DstPortLow;
+ u16 DstPortHigh;
+};
+
+struct qos_entry_s {
+ struct list_head list;
+ struct sk_buff *skb;
+ struct net_device *dev;
+
+};
+
+struct qos_cb_s {
+ struct list_head qos_list[QOS_MAX];
+ u32 qos_list_cnt;
+ u32 qos_null_idx;
+ struct gdm_wimax_csr_s csr[QOS_MAX];
+ spinlock_t qos_lock;
+ u32 qos_limit_size;
+};
+
+void gdm_qos_init(void *nic_ptr);
+void gdm_qos_release_list(void *nic_ptr);
+int gdm_qos_send_hci_pkt(struct sk_buff *skb, struct net_device *dev);
+void gdm_recv_qos_hci_packet(void *nic_ptr, u8 *buf, int size);
+
+#endif
diff --git a/drivers/staging/gdm72xx/gdm_sdio.c b/drivers/staging/gdm72xx/gdm_sdio.c
new file mode 100644
index 0000000..1ef466e
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_sdio.c
@@ -0,0 +1,754 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/version.h>
+
+#include <linux/mmc/core.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+#include <linux/mmc/sdio_ids.h>
+
+#include "gdm_sdio.h"
+#include "gdm_wimax.h"
+#include "sdio_boot.h"
+#include "hci.h"
+
+#define TYPE_A_HEADER_SIZE 4
+#define TYPE_A_LOOKAHEAD_SIZE 16
+
+#define MAX_NR_RX_BUF 4
+
+#define SDU_TX_BUF_SIZE 2048
+#define TX_BUF_SIZE 2048
+#define TX_CHUNK_SIZE (2048 - TYPE_A_HEADER_SIZE)
+#define RX_BUF_SIZE (25*1024)
+
+#define TX_HZ 2000
+#define TX_INTERVAL (1000000/TX_HZ)
+
+/*#define DEBUG*/
+
+static int init_sdio(struct sdiowm_dev *sdev);
+static void release_sdio(struct sdiowm_dev *sdev);
+
+#ifdef DEBUG
+static void hexdump(char *title, u8 *data, int len)
+{
+ int i;
+
+ printk(KERN_DEBUG "%s: length = %d\n", title, len);
+ for (i = 0; i < len; i++) {
+ printk(KERN_DEBUG "%02x ", data[i]);
+ if ((i & 0xf) == 0xf)
+ printk(KERN_DEBUG "\n");
+ }
+ printk(KERN_DEBUG "\n");
+}
+#endif
+
+static struct sdio_tx *alloc_tx_struct(struct tx_cxt *tx)
+{
+ struct sdio_tx *t = NULL;
+
+ t = kmalloc(sizeof(*t), GFP_ATOMIC);
+ if (t == NULL)
+ goto out;
+
+ memset(t, 0, sizeof(*t));
+
+ t->buf = kmalloc(TX_BUF_SIZE, GFP_ATOMIC);
+ if (t->buf == NULL)
+ goto out;
+
+ t->tx_cxt = tx;
+
+ return t;
+out:
+ if (t) {
+ kfree(t->buf);
+ kfree(t);
+ }
+ return NULL;
+}
+
+static void free_tx_struct(struct sdio_tx *t)
+{
+ if (t) {
+ kfree(t->buf);
+ kfree(t);
+ }
+}
+
+static struct sdio_rx *alloc_rx_struct(struct rx_cxt *rx)
+{
+ struct sdio_rx *r = NULL;
+
+ r = kmalloc(sizeof(*r), GFP_ATOMIC);
+ if (r == NULL)
+ goto out;
+
+ memset(r, 0, sizeof(*r));
+
+ r->rx_cxt = rx;
+
+ return r;
+out:
+ kfree(r);
+ return NULL;
+}
+
+static void free_rx_struct(struct sdio_rx *r)
+{
+ kfree(r);
+}
+
+/* Before this function is called, spin lock should be locked. */
+static struct sdio_tx *get_tx_struct(struct tx_cxt *tx, int *no_spc)
+{
+ struct sdio_tx *t;
+
+ if (list_empty(&tx->free_list))
+ return NULL;
+
+ t = list_entry(tx->free_list.prev, struct sdio_tx, list);
+ list_del(&t->list);
+
+ *no_spc = list_empty(&tx->free_list) ? 1 : 0;
+
+ return t;
+}
+
+/* Before this function is called, spin lock should be locked. */
+static void put_tx_struct(struct tx_cxt *tx, struct sdio_tx *t)
+{
+ list_add_tail(&t->list, &tx->free_list);
+}
+
+/* Before this function is called, spin lock should be locked. */
+static struct sdio_rx *get_rx_struct(struct rx_cxt *rx)
+{
+ struct sdio_rx *r;
+
+ if (list_empty(&rx->free_list))
+ return NULL;
+
+ r = list_entry(rx->free_list.prev, struct sdio_rx, list);
+ list_del(&r->list);
+
+ return r;
+}
+
+/* Before this function is called, spin lock should be locked. */
+static void put_rx_struct(struct rx_cxt *rx, struct sdio_rx *r)
+{
+ list_add_tail(&r->list, &rx->free_list);
+}
+
+static int init_sdio(struct sdiowm_dev *sdev)
+{
+ int ret = 0, i;
+ struct tx_cxt *tx = &sdev->tx;
+ struct rx_cxt *rx = &sdev->rx;
+ struct sdio_tx *t;
+ struct sdio_rx *r;
+
+ INIT_LIST_HEAD(&tx->free_list);
+ INIT_LIST_HEAD(&tx->sdu_list);
+ INIT_LIST_HEAD(&tx->hci_list);
+
+ spin_lock_init(&tx->lock);
+
+ tx->sdu_buf = kmalloc(SDU_TX_BUF_SIZE, GFP_KERNEL);
+ if (tx->sdu_buf == NULL) {
+ printk(KERN_ERR "Failed to allocate SDU tx buffer.\n");
+ goto fail;
+ }
+
+ for (i = 0; i < MAX_NR_SDU_BUF; i++) {
+ t = alloc_tx_struct(tx);
+ if (t == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ list_add(&t->list, &tx->free_list);
+ }
+
+ INIT_LIST_HEAD(&rx->free_list);
+ INIT_LIST_HEAD(&rx->req_list);
+
+ spin_lock_init(&rx->lock);
+
+ for (i = 0; i < MAX_NR_RX_BUF; i++) {
+ r = alloc_rx_struct(rx);
+ if (r == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ list_add(&r->list, &rx->free_list);
+ }
+
+ rx->rx_buf = kmalloc(RX_BUF_SIZE, GFP_KERNEL);
+ if (rx->rx_buf == NULL) {
+ printk(KERN_ERR "Failed to allocate rx buffer.\n");
+ goto fail;
+ }
+
+ return 0;
+
+fail:
+ release_sdio(sdev);
+ return ret;
+}
+
+static void release_sdio(struct sdiowm_dev *sdev)
+{
+ struct tx_cxt *tx = &sdev->tx;
+ struct rx_cxt *rx = &sdev->rx;
+ struct sdio_tx *t, *t_next;
+ struct sdio_rx *r, *r_next;
+
+ kfree(tx->sdu_buf);
+
+ list_for_each_entry_safe(t, t_next, &tx->free_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ list_for_each_entry_safe(t, t_next, &tx->sdu_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ list_for_each_entry_safe(t, t_next, &tx->hci_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ kfree(rx->rx_buf);
+
+ list_for_each_entry_safe(r, r_next, &rx->free_list, list) {
+ list_del(&r->list);
+ free_rx_struct(r);
+ }
+
+ list_for_each_entry_safe(r, r_next, &rx->req_list, list) {
+ list_del(&r->list);
+ free_rx_struct(r);
+ }
+}
+
+static void send_sdio_pkt(struct sdio_func *func, u8 *data, int len)
+{
+ int n, blocks, ret, remain;
+
+ sdio_claim_host(func);
+
+ blocks = len / func->cur_blksize;
+ n = blocks * func->cur_blksize;
+ if (blocks) {
+ ret = sdio_memcpy_toio(func, 0, data, n);
+ if (ret < 0) {
+ if (ret != -ENOMEDIUM)
+ printk(KERN_ERR "gdmwms: %s error: ret = %d\n",
+ __func__, ret);
+ goto end_io;
+ }
+ }
+
+ remain = len - n;
+ remain = (remain + 3) & ~3;
+
+ if (remain) {
+ ret = sdio_memcpy_toio(func, 0, data + n, remain);
+ if (ret < 0) {
+ if (ret != -ENOMEDIUM)
+ printk(KERN_ERR "gdmwms: %s error: ret = %d\n",
+ __func__, ret);
+ goto end_io;
+ }
+ }
+
+end_io:
+ sdio_release_host(func);
+}
+
+static void send_sdu(struct sdio_func *func, struct tx_cxt *tx)
+{
+ struct list_head *l, *next;
+ struct hci_s *hci;
+ struct sdio_tx *t;
+ int pos, len, i, estlen, aggr_num = 0, aggr_len;
+ u8 *buf;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ pos = TYPE_A_HEADER_SIZE + HCI_HEADER_SIZE;
+ list_for_each_entry(t, &tx->sdu_list, list) {
+ estlen = ((t->len + 3) & ~3) + 4;
+ if ((pos + estlen) > SDU_TX_BUF_SIZE)
+ break;
+
+ aggr_num++;
+ memcpy(tx->sdu_buf + pos, t->buf, t->len);
+ memset(tx->sdu_buf + pos + t->len, 0, estlen - t->len);
+ pos += estlen;
+ }
+ aggr_len = pos;
+
+ hci = (struct hci_s *)(tx->sdu_buf + TYPE_A_HEADER_SIZE);
+ hci->cmd_evt = H2B(WIMAX_TX_SDU_AGGR);
+ hci->length = H2B(aggr_len - TYPE_A_HEADER_SIZE - HCI_HEADER_SIZE);
+
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+#ifdef DEBUG
+ hexdump("sdio_send", tx->sdu_buf + TYPE_A_HEADER_SIZE,
+ aggr_len - TYPE_A_HEADER_SIZE);
+#endif
+
+ for (pos = TYPE_A_HEADER_SIZE; pos < aggr_len; pos += TX_CHUNK_SIZE) {
+ len = aggr_len - pos;
+ len = len > TX_CHUNK_SIZE ? TX_CHUNK_SIZE : len;
+ buf = tx->sdu_buf + pos - TYPE_A_HEADER_SIZE;
+
+ buf[0] = len & 0xff;
+ buf[1] = (len >> 8) & 0xff;
+ buf[2] = (len >> 16) & 0xff;
+ buf[3] = (pos + len) >= aggr_len ? 0 : 1;
+ send_sdio_pkt(func, buf, len + TYPE_A_HEADER_SIZE);
+ }
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ for (l = tx->sdu_list.next, i = 0; i < aggr_num; i++, l = next) {
+ next = l->next;
+ t = list_entry(l, struct sdio_tx, list);
+ if (t->callback)
+ t->callback(t->cb_data);
+
+ list_del(l);
+ put_tx_struct(t->tx_cxt, t);
+ }
+
+ do_gettimeofday(&tx->sdu_stamp);
+ spin_unlock_irqrestore(&tx->lock, flags);
+}
+
+static void send_hci(struct sdio_func *func, struct tx_cxt *tx,
+ struct sdio_tx *t)
+{
+ unsigned long flags;
+
+#ifdef DEBUG
+ hexdump("sdio_send", t->buf + TYPE_A_HEADER_SIZE,
+ t->len - TYPE_A_HEADER_SIZE);
+#endif
+ send_sdio_pkt(func, t->buf, t->len);
+
+ spin_lock_irqsave(&tx->lock, flags);
+ if (t->callback)
+ t->callback(t->cb_data);
+ free_tx_struct(t);
+ spin_unlock_irqrestore(&tx->lock, flags);
+}
+
+static void do_tx(struct work_struct *work)
+{
+ struct sdiowm_dev *sdev = container_of(work, struct sdiowm_dev, ws);
+ struct sdio_func *func = sdev->func;
+ struct tx_cxt *tx = &sdev->tx;
+ struct sdio_tx *t = NULL;
+ struct timeval now, *before;
+ int is_sdu = 0;
+ long diff;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tx->lock, flags);
+ if (!tx->can_send) {
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return;
+ }
+
+ if (!list_empty(&tx->hci_list)) {
+ t = list_entry(tx->hci_list.next, struct sdio_tx, list);
+ list_del(&t->list);
+ is_sdu = 0;
+ } else if (!tx->stop_sdu_tx && !list_empty(&tx->sdu_list)) {
+ do_gettimeofday(&now);
+ before = &tx->sdu_stamp;
+
+ diff = (now.tv_sec - before->tv_sec) * 1000000 +
+ (now.tv_usec - before->tv_usec);
+ if (diff >= 0 && diff < TX_INTERVAL) {
+ schedule_work(&sdev->ws);
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return;
+ }
+ is_sdu = 1;
+ }
+
+ if (!is_sdu && t == NULL) {
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return;
+ }
+
+ tx->can_send = 0;
+
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+ if (is_sdu)
+ send_sdu(func, tx);
+ else
+ send_hci(func, tx, t);
+}
+
+static int gdm_sdio_send(void *priv_dev, void *data, int len,
+ void (*cb)(void *data), void *cb_data)
+{
+ struct sdiowm_dev *sdev = priv_dev;
+ struct tx_cxt *tx = &sdev->tx;
+ struct sdio_tx *t;
+ u8 *pkt = data;
+ int no_spc = 0;
+ u16 cmd_evt;
+ unsigned long flags;
+
+ BUG_ON(len > TX_BUF_SIZE - TYPE_A_HEADER_SIZE);
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ cmd_evt = (pkt[0] << 8) | pkt[1];
+ if (cmd_evt == WIMAX_TX_SDU) {
+ t = get_tx_struct(tx, &no_spc);
+ if (t == NULL) {
+ /* This case must not happen. */
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return -ENOSPC;
+ }
+ list_add_tail(&t->list, &tx->sdu_list);
+
+ memcpy(t->buf, data, len);
+
+ t->len = len;
+ t->callback = cb;
+ t->cb_data = cb_data;
+ } else {
+ t = alloc_tx_struct(tx);
+ if (t == NULL) {
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return -ENOMEM;
+ }
+ list_add_tail(&t->list, &tx->hci_list);
+
+ t->buf[0] = len & 0xff;
+ t->buf[1] = (len >> 8) & 0xff;
+ t->buf[2] = (len >> 16) & 0xff;
+ t->buf[3] = 2;
+ memcpy(t->buf + TYPE_A_HEADER_SIZE, data, len);
+
+ t->len = len + TYPE_A_HEADER_SIZE;
+ t->callback = cb;
+ t->cb_data = cb_data;
+ }
+
+ if (tx->can_send)
+ schedule_work(&sdev->ws);
+
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+ if (no_spc)
+ return -ENOSPC;
+
+ return 0;
+}
+
+/*
+ * Handle the HCI, WIMAX_SDU_TX_FLOW.
+ */
+static int control_sdu_tx_flow(struct sdiowm_dev *sdev, u8 *hci_data, int len)
+{
+ struct tx_cxt *tx = &sdev->tx;
+ u16 cmd_evt;
+ unsigned long flags;
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ cmd_evt = (hci_data[0] << 8) | (hci_data[1]);
+ if (cmd_evt != WIMAX_SDU_TX_FLOW)
+ goto out;
+
+ if (hci_data[4] == 0) {
+#ifdef DEBUG
+ printk(KERN_DEBUG "WIMAX ==> STOP SDU TX\n");
+#endif
+ tx->stop_sdu_tx = 1;
+ } else if (hci_data[4] == 1) {
+#ifdef DEBUG
+ printk(KERN_DEBUG "WIMAX ==> START SDU TX\n");
+#endif
+ tx->stop_sdu_tx = 0;
+ if (tx->can_send)
+ schedule_work(&sdev->ws);
+ /*
+ * If free buffer for sdu tx doesn't exist, then tx queue
+ * should not be woken. For this reason, don't pass the command,
+ * START_SDU_TX.
+ */
+ if (list_empty(&tx->free_list))
+ len = 0;
+ }
+
+out:
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return len;
+}
+
+static void gdm_sdio_irq(struct sdio_func *func)
+{
+ struct phy_dev *phy_dev = sdio_get_drvdata(func);
+ struct sdiowm_dev *sdev = phy_dev->priv_dev;
+ struct tx_cxt *tx = &sdev->tx;
+ struct rx_cxt *rx = &sdev->rx;
+ struct sdio_rx *r;
+ unsigned long flags;
+ u8 val, hdr[TYPE_A_LOOKAHEAD_SIZE], *buf;
+ u32 len, blocks, n;
+ int ret, remain;
+
+ /* Check interrupt */
+ val = sdio_readb(func, 0x13, &ret);
+ if (val & 0x01)
+ sdio_writeb(func, 0x01, 0x13, &ret); /* clear interrupt */
+ else
+ return;
+
+ ret = sdio_memcpy_fromio(func, hdr, 0x0, TYPE_A_LOOKAHEAD_SIZE);
+ if (ret) {
+ printk(KERN_ERR "Cannot read from function %d\n", func->num);
+ goto done;
+ }
+
+ len = (hdr[2] << 16) | (hdr[1] << 8) | hdr[0];
+ if (len > (RX_BUF_SIZE - TYPE_A_HEADER_SIZE)) {
+ printk(KERN_ERR "Too big Type-A size: %d\n", len);
+ goto done;
+ }
+
+ if (hdr[3] == 1) { /* Ack */
+#ifdef DEBUG
+ u32 *ack_seq = (u32 *)&hdr[4];
+#endif
+ spin_lock_irqsave(&tx->lock, flags);
+ tx->can_send = 1;
+
+ if (!list_empty(&tx->sdu_list) || !list_empty(&tx->hci_list))
+ schedule_work(&sdev->ws);
+ spin_unlock_irqrestore(&tx->lock, flags);
+#ifdef DEBUG
+ printk(KERN_DEBUG "Ack... %0x\n", ntohl(*ack_seq));
+#endif
+ goto done;
+ }
+
+ memcpy(rx->rx_buf, hdr + TYPE_A_HEADER_SIZE,
+ TYPE_A_LOOKAHEAD_SIZE - TYPE_A_HEADER_SIZE);
+
+ buf = rx->rx_buf + TYPE_A_LOOKAHEAD_SIZE - TYPE_A_HEADER_SIZE;
+ remain = len - TYPE_A_LOOKAHEAD_SIZE + TYPE_A_HEADER_SIZE;
+ if (remain <= 0)
+ goto end_io;
+
+ blocks = remain / func->cur_blksize;
+
+ if (blocks) {
+ n = blocks * func->cur_blksize;
+ ret = sdio_memcpy_fromio(func, buf, 0x0, n);
+ if (ret) {
+ printk(KERN_ERR "Cannot read from function %d\n",
+ func->num);
+ goto done;
+ }
+ buf += n;
+ remain -= n;
+ }
+
+ if (remain) {
+ ret = sdio_memcpy_fromio(func, buf, 0x0, remain);
+ if (ret) {
+ printk(KERN_ERR "Cannot read from function %d\n",
+ func->num);
+ goto done;
+ }
+ }
+
+end_io:
+#ifdef DEBUG
+ hexdump("sdio_receive", rx->rx_buf, len);
+#endif
+ len = control_sdu_tx_flow(sdev, rx->rx_buf, len);
+
+ spin_lock_irqsave(&rx->lock, flags);
+
+ if (!list_empty(&rx->req_list)) {
+ r = list_entry(rx->req_list.next, struct sdio_rx, list);
+ spin_unlock_irqrestore(&rx->lock, flags);
+ if (r->callback)
+ r->callback(r->cb_data, rx->rx_buf, len);
+ spin_lock_irqsave(&rx->lock, flags);
+ list_del(&r->list);
+ put_rx_struct(rx, r);
+ }
+
+ spin_unlock_irqrestore(&rx->lock, flags);
+
+done:
+ sdio_writeb(func, 0x00, 0x10, &ret); /* PCRRT */
+ if (!phy_dev->netdev)
+ register_wimax_device(phy_dev);
+}
+
+static int gdm_sdio_receive(void *priv_dev,
+ void (*cb)(void *cb_data, void *data, int len),
+ void *cb_data)
+{
+ struct sdiowm_dev *sdev = priv_dev;
+ struct rx_cxt *rx = &sdev->rx;
+ struct sdio_rx *r;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rx->lock, flags);
+ r = get_rx_struct(rx);
+ if (r == NULL) {
+ spin_unlock_irqrestore(&rx->lock, flags);
+ return -ENOMEM;
+ }
+
+ r->callback = cb;
+ r->cb_data = cb_data;
+
+ list_add_tail(&r->list, &rx->req_list);
+ spin_unlock_irqrestore(&rx->lock, flags);
+
+ return 0;
+}
+
+static int sdio_wimax_probe(struct sdio_func *func,
+ const struct sdio_device_id *id)
+{
+ int ret;
+ struct phy_dev *phy_dev = NULL;
+ struct sdiowm_dev *sdev = NULL;
+
+ printk(KERN_INFO "Found GDM SDIO VID = 0x%04x PID = 0x%04x...\n",
+ func->vendor, func->device);
+ printk(KERN_INFO "GCT WiMax driver version %s\n", DRIVER_VERSION);
+
+ sdio_claim_host(func);
+ sdio_enable_func(func);
+ sdio_claim_irq(func, gdm_sdio_irq);
+
+ ret = sdio_boot(func);
+ if (ret)
+ return ret;
+
+ phy_dev = kmalloc(sizeof(*phy_dev), GFP_KERNEL);
+ if (phy_dev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ sdev = kmalloc(sizeof(*sdev), GFP_KERNEL);
+ if (sdev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memset(phy_dev, 0, sizeof(*phy_dev));
+ memset(sdev, 0, sizeof(*sdev));
+
+ phy_dev->priv_dev = (void *)sdev;
+ phy_dev->send_func = gdm_sdio_send;
+ phy_dev->rcv_func = gdm_sdio_receive;
+
+ ret = init_sdio(sdev);
+ if (sdev < 0)
+ goto out;
+
+ sdev->func = func;
+
+ sdio_writeb(func, 1, 0x14, &ret); /* Enable interrupt */
+ sdio_release_host(func);
+
+ INIT_WORK(&sdev->ws, do_tx);
+
+ sdio_set_drvdata(func, phy_dev);
+out:
+ if (ret) {
+ kfree(phy_dev);
+ kfree(sdev);
+ }
+
+ return ret;
+}
+
+static void sdio_wimax_remove(struct sdio_func *func)
+{
+ struct phy_dev *phy_dev = sdio_get_drvdata(func);
+ struct sdiowm_dev *sdev = phy_dev->priv_dev;
+
+ if (phy_dev->netdev)
+ unregister_wimax_device(phy_dev);
+ sdio_claim_host(func);
+ sdio_release_irq(func);
+ sdio_disable_func(func);
+ sdio_release_host(func);
+ release_sdio(sdev);
+
+ kfree(sdev);
+ kfree(phy_dev);
+}
+
+static const struct sdio_device_id sdio_wimax_ids[] = {
+ { SDIO_DEVICE(0x0296, 0x5347) },
+ {0}
+};
+
+MODULE_DEVICE_TABLE(sdio, sdio_wimax_ids);
+
+static struct sdio_driver sdio_wimax_driver = {
+ .probe = sdio_wimax_probe,
+ .remove = sdio_wimax_remove,
+ .name = "sdio_wimax",
+ .id_table = sdio_wimax_ids,
+};
+
+static int __init sdio_gdm_wimax_init(void)
+{
+ return sdio_register_driver(&sdio_wimax_driver);
+}
+
+static void __exit sdio_gdm_wimax_exit(void)
+{
+ sdio_unregister_driver(&sdio_wimax_driver);
+}
+
+module_init(sdio_gdm_wimax_init);
+module_exit(sdio_gdm_wimax_exit);
+
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("GCT WiMax SDIO Device Driver");
+MODULE_AUTHOR("Ethan Park");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gdm72xx/gdm_sdio.h b/drivers/staging/gdm72xx/gdm_sdio.h
new file mode 100644
index 0000000..216e98f
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_sdio.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __GDM_SDIO_H__
+#define __GDM_SDIO_H__
+
+#include <linux/types.h>
+#include <linux/time.h>
+
+#define MAX_NR_SDU_BUF 64
+
+struct sdio_tx {
+ struct list_head list;
+ struct tx_cxt *tx_cxt;
+
+ u8 *buf;
+ int len;
+
+ void (*callback)(void *cb_data);
+ void *cb_data;
+};
+
+struct tx_cxt {
+ struct list_head free_list;
+ struct list_head sdu_list;
+ struct list_head hci_list;
+ struct timeval sdu_stamp;
+
+ u8 *sdu_buf;
+
+ spinlock_t lock;
+ int can_send;
+ int stop_sdu_tx;
+};
+
+struct sdio_rx {
+ struct list_head list;
+ struct rx_cxt *rx_cxt;
+
+ void (*callback)(void *cb_data, void *data, int len);
+ void *cb_data;
+};
+
+struct rx_cxt {
+ struct list_head free_list;
+ struct list_head req_list;
+
+ u8 *rx_buf;
+
+ spinlock_t lock;
+};
+
+struct sdiowm_dev {
+ struct sdio_func *func;
+
+ struct tx_cxt tx;
+ struct rx_cxt rx;
+
+ struct work_struct ws;
+};
+
+#endif /* __GDM_SDIO_H__ */
diff --git a/drivers/staging/gdm72xx/gdm_usb.c b/drivers/staging/gdm72xx/gdm_usb.c
new file mode 100644
index 0000000..004786b
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_usb.c
@@ -0,0 +1,804 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/usb.h>
+#include <asm/byteorder.h>
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+#ifndef CONFIG_USB_SUSPEND
+#error "USB host doesn't support USB Selective Suspend."
+#endif
+#endif
+
+#include "gdm_usb.h"
+#include "gdm_wimax.h"
+#include "usb_boot.h"
+#include "hci.h"
+
+#include "usb_ids.h"
+
+MODULE_DEVICE_TABLE(usb, id_table);
+
+#define TX_BUF_SIZE 2048
+#if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
+#define RX_BUF_SIZE (128*1024) /* For packet aggregation */
+#else
+#define RX_BUF_SIZE 2048
+#endif
+
+#define GDM7205_PADDING 256
+
+#define H2B(x) __cpu_to_be16(x)
+#define B2H(x) __be16_to_cpu(x)
+#define DB2H(x) __be32_to_cpu(x)
+
+#define DOWNLOAD_CONF_VALUE 0x21
+
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+
+static DECLARE_WAIT_QUEUE_HEAD(k_wait);
+static LIST_HEAD(k_list);
+static DEFINE_SPINLOCK(k_lock);
+static int k_mode_stop;
+
+#define K_WAIT_TIME (2 * HZ / 100)
+
+#endif /* CONFIG_WIMAX_GDM72XX_K_MODE */
+
+static int init_usb(struct usbwm_dev *udev);
+static void release_usb(struct usbwm_dev *udev);
+
+/*#define DEBUG */
+#ifdef DEBUG
+static void hexdump(char *title, u8 *data, int len)
+{
+ int i;
+
+ printk(KERN_DEBUG "%s: length = %d\n", title, len);
+ for (i = 0; i < len; i++) {
+ printk(KERN_DEBUG "%02x ", data[i]);
+ if ((i & 0xf) == 0xf)
+ printk(KERN_DEBUG "\n");
+ }
+ printk(KERN_DEBUG "\n");
+}
+#endif
+
+static struct usb_tx *alloc_tx_struct(struct tx_cxt *tx)
+{
+ struct usb_tx *t = NULL;
+
+ t = kmalloc(sizeof(*t), GFP_ATOMIC);
+ if (t == NULL)
+ goto out;
+
+ memset(t, 0, sizeof(*t));
+
+ t->urb = usb_alloc_urb(0, GFP_ATOMIC);
+ t->buf = kmalloc(TX_BUF_SIZE, GFP_ATOMIC);
+ if (t->urb == NULL || t->buf == NULL)
+ goto out;
+
+ t->tx_cxt = tx;
+
+ return t;
+out:
+ if (t) {
+ usb_free_urb(t->urb);
+ kfree(t->buf);
+ kfree(t);
+ }
+ return NULL;
+}
+
+static void free_tx_struct(struct usb_tx *t)
+{
+ if (t) {
+ usb_free_urb(t->urb);
+ kfree(t->buf);
+ kfree(t);
+ }
+}
+
+static struct usb_rx *alloc_rx_struct(struct rx_cxt *rx)
+{
+ struct usb_rx *r = NULL;
+
+ r = kmalloc(sizeof(*r), GFP_ATOMIC);
+ if (r == NULL)
+ goto out;
+
+ memset(r, 0, sizeof(*r));
+
+ r->urb = usb_alloc_urb(0, GFP_ATOMIC);
+ r->buf = kmalloc(RX_BUF_SIZE, GFP_ATOMIC);
+ if (r->urb == NULL || r->buf == NULL)
+ goto out;
+
+ r->rx_cxt = rx;
+ return r;
+out:
+ if (r) {
+ usb_free_urb(r->urb);
+ kfree(r->buf);
+ kfree(r);
+ }
+ return NULL;
+}
+
+static void free_rx_struct(struct usb_rx *r)
+{
+ if (r) {
+ usb_free_urb(r->urb);
+ kfree(r->buf);
+ kfree(r);
+ }
+}
+
+/* Before this function is called, spin lock should be locked. */
+static struct usb_tx *get_tx_struct(struct tx_cxt *tx, int *no_spc)
+{
+ struct usb_tx *t;
+
+ if (list_empty(&tx->free_list)) {
+ *no_spc = 1;
+ return NULL;
+ }
+
+ t = list_entry(tx->free_list.next, struct usb_tx, list);
+ list_del(&t->list);
+
+ *no_spc = list_empty(&tx->free_list) ? 1 : 0;
+
+ return t;
+}
+
+/* Before this function is called, spin lock should be locked. */
+static void put_tx_struct(struct tx_cxt *tx, struct usb_tx *t)
+{
+ list_add_tail(&t->list, &tx->free_list);
+}
+
+/* Before this function is called, spin lock should be locked. */
+static struct usb_rx *get_rx_struct(struct rx_cxt *rx)
+{
+ struct usb_rx *r;
+
+ if (list_empty(&rx->free_list)) {
+ r = alloc_rx_struct(rx);
+ if (r == NULL)
+ return NULL;
+
+ list_add(&r->list, &rx->free_list);
+ }
+
+ r = list_entry(rx->free_list.next, struct usb_rx, list);
+ list_del(&r->list);
+ list_add_tail(&r->list, &rx->used_list);
+
+ return r;
+}
+
+/* Before this function is called, spin lock should be locked. */
+static void put_rx_struct(struct rx_cxt *rx, struct usb_rx *r)
+{
+ list_del(&r->list);
+ list_add(&r->list, &rx->free_list);
+}
+
+static int init_usb(struct usbwm_dev *udev)
+{
+ int ret = 0, i;
+ struct tx_cxt *tx = &udev->tx;
+ struct rx_cxt *rx = &udev->rx;
+ struct usb_tx *t;
+ struct usb_rx *r;
+
+ INIT_LIST_HEAD(&tx->free_list);
+ INIT_LIST_HEAD(&tx->sdu_list);
+ INIT_LIST_HEAD(&tx->hci_list);
+#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
+ INIT_LIST_HEAD(&tx->pending_list);
+#endif
+
+ INIT_LIST_HEAD(&rx->free_list);
+ INIT_LIST_HEAD(&rx->used_list);
+
+ spin_lock_init(&tx->lock);
+ spin_lock_init(&rx->lock);
+
+ for (i = 0; i < MAX_NR_SDU_BUF; i++) {
+ t = alloc_tx_struct(tx);
+ if (t == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+ list_add(&t->list, &tx->free_list);
+ }
+
+ r = alloc_rx_struct(rx);
+ if (r == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ list_add(&r->list, &rx->free_list);
+ return ret;
+
+fail:
+ release_usb(udev);
+ return ret;
+}
+
+static void release_usb(struct usbwm_dev *udev)
+{
+ struct tx_cxt *tx = &udev->tx;
+ struct rx_cxt *rx = &udev->rx;
+ struct usb_tx *t, *t_next;
+ struct usb_rx *r, *r_next;
+
+ list_for_each_entry_safe(t, t_next, &tx->sdu_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ list_for_each_entry_safe(t, t_next, &tx->hci_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ list_for_each_entry_safe(t, t_next, &tx->free_list, list) {
+ list_del(&t->list);
+ free_tx_struct(t);
+ }
+
+ list_for_each_entry_safe(r, r_next, &rx->free_list, list) {
+ list_del(&r->list);
+ free_rx_struct(r);
+ }
+
+ list_for_each_entry_safe(r, r_next, &rx->used_list, list) {
+ list_del(&r->list);
+ free_rx_struct(r);
+ }
+}
+
+static void gdm_usb_send_complete(struct urb *urb)
+{
+ struct usb_tx *t = urb->context;
+ struct tx_cxt *tx = t->tx_cxt;
+ u8 *pkt = t->buf;
+ u16 cmd_evt;
+ unsigned long flags;
+
+ /* Completion by usb_unlink_urb */
+ if (urb->status == -ECONNRESET)
+ return;
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ if (t->callback)
+ t->callback(t->cb_data);
+
+ /* Delete from sdu list or hci list. */
+ list_del(&t->list);
+
+ cmd_evt = (pkt[0] << 8) | pkt[1];
+ if (cmd_evt == WIMAX_TX_SDU)
+ put_tx_struct(tx, t);
+ else
+ free_tx_struct(t);
+
+ spin_unlock_irqrestore(&tx->lock, flags);
+}
+
+static int gdm_usb_send(void *priv_dev, void *data, int len,
+ void (*cb)(void *data), void *cb_data)
+{
+ struct usbwm_dev *udev = priv_dev;
+ struct usb_device *usbdev = udev->usbdev;
+ struct tx_cxt *tx = &udev->tx;
+ struct usb_tx *t;
+ int padding = udev->padding;
+ int no_spc = 0, ret;
+ u8 *pkt = data;
+ u16 cmd_evt;
+ unsigned long flags;
+
+ if (!udev->usbdev) {
+ printk(KERN_ERR "%s: No such device\n", __func__);
+ return -ENODEV;
+ }
+
+ BUG_ON(len > TX_BUF_SIZE - padding - 1);
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ cmd_evt = (pkt[0] << 8) | pkt[1];
+ if (cmd_evt == WIMAX_TX_SDU) {
+ t = get_tx_struct(tx, &no_spc);
+ if (t == NULL) {
+ /* This case must not happen. */
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return -ENOSPC;
+ }
+ list_add_tail(&t->list, &tx->sdu_list);
+ } else {
+ t = alloc_tx_struct(tx);
+ if (t == NULL) {
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return -ENOMEM;
+ }
+ list_add_tail(&t->list, &tx->hci_list);
+ }
+
+ memcpy(t->buf + padding, data, len);
+ t->callback = cb;
+ t->cb_data = cb_data;
+
+ /*
+ * In some cases, USB Module of WiMax is blocked when data size is
+ * the multiple of 512. So, increment length by one in that case.
+ */
+ if ((len % 512) == 0)
+ len++;
+
+ usb_fill_bulk_urb(t->urb,
+ usbdev,
+ usb_sndbulkpipe(usbdev, 1),
+ t->buf,
+ len + padding,
+ gdm_usb_send_complete,
+ t);
+
+#ifdef DEBUG
+ hexdump("usb_send", t->buf, len + padding);
+#endif
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ if (usbdev->state & USB_STATE_SUSPENDED) {
+ list_add_tail(&t->p_list, &tx->pending_list);
+ schedule_work(&udev->pm_ws);
+ goto out;
+ }
+#endif /* CONFIG_WIMAX_GDM72XX_USB_PM */
+
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+ if (udev->bw_switch) {
+ list_add_tail(&t->p_list, &tx->pending_list);
+ goto out;
+ } else if (cmd_evt == WIMAX_SCAN) {
+ struct rx_cxt *rx;
+ struct usb_rx *r;
+
+ rx = &udev->rx;
+
+ list_for_each_entry(r, &rx->used_list, list)
+ usb_unlink_urb(r->urb);
+ udev->bw_switch = 1;
+
+ spin_lock(&k_lock);
+ list_add_tail(&udev->list, &k_list);
+ spin_unlock(&k_lock);
+
+ wake_up(&k_wait);
+ }
+#endif /* CONFIG_WIMAX_GDM72XX_K_MODE */
+
+ ret = usb_submit_urb(t->urb, GFP_ATOMIC);
+ if (ret)
+ goto send_fail;
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ usb_mark_last_busy(usbdev);
+#endif /* CONFIG_WIMAX_GDM72XX_USB_PM */
+
+#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
+out:
+#endif
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+ if (no_spc)
+ return -ENOSPC;
+
+ return 0;
+
+send_fail:
+ t->callback = NULL;
+ gdm_usb_send_complete(t->urb);
+ spin_unlock_irqrestore(&tx->lock, flags);
+ return ret;
+}
+
+static void gdm_usb_rcv_complete(struct urb *urb)
+{
+ struct usb_rx *r = urb->context;
+ struct rx_cxt *rx = r->rx_cxt;
+ struct usbwm_dev *udev = container_of(r->rx_cxt, struct usbwm_dev, rx);
+ struct tx_cxt *tx = &udev->tx;
+ struct usb_tx *t;
+ u16 cmd_evt;
+ unsigned long flags;
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ struct usb_device *dev = urb->dev;
+#endif
+
+ /* Completion by usb_unlink_urb */
+ if (urb->status == -ECONNRESET)
+ return;
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ if (!urb->status) {
+ cmd_evt = (r->buf[0] << 8) | (r->buf[1]);
+#ifdef DEBUG
+ hexdump("usb_receive", r->buf, urb->actual_length);
+#endif
+ if (cmd_evt == WIMAX_SDU_TX_FLOW) {
+ if (r->buf[4] == 0) {
+#ifdef DEBUG
+ printk(KERN_DEBUG "WIMAX ==> STOP SDU TX\n");
+#endif
+ list_for_each_entry(t, &tx->sdu_list, list)
+ usb_unlink_urb(t->urb);
+ } else if (r->buf[4] == 1) {
+#ifdef DEBUG
+ printk(KERN_DEBUG "WIMAX ==> START SDU TX\n");
+#endif
+ list_for_each_entry(t, &tx->sdu_list, list) {
+ usb_submit_urb(t->urb, GFP_ATOMIC);
+ }
+ /*
+ * If free buffer for sdu tx doesn't
+ * exist, then tx queue should not be
+ * woken. For this reason, don't pass
+ * the command, START_SDU_TX.
+ */
+ if (list_empty(&tx->free_list))
+ urb->actual_length = 0;
+ }
+ }
+ }
+
+ if (!urb->status && r->callback)
+ r->callback(r->cb_data, r->buf, urb->actual_length);
+
+ spin_lock(&rx->lock);
+ put_rx_struct(rx, r);
+ spin_unlock(&rx->lock);
+
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ usb_mark_last_busy(dev);
+#endif
+}
+
+static int gdm_usb_receive(void *priv_dev,
+ void (*cb)(void *cb_data, void *data, int len),
+ void *cb_data)
+{
+ struct usbwm_dev *udev = priv_dev;
+ struct usb_device *usbdev = udev->usbdev;
+ struct rx_cxt *rx = &udev->rx;
+ struct usb_rx *r;
+ unsigned long flags;
+
+ if (!udev->usbdev) {
+ printk(KERN_ERR "%s: No such device\n", __func__);
+ return -ENODEV;
+ }
+
+ spin_lock_irqsave(&rx->lock, flags);
+ r = get_rx_struct(rx);
+ spin_unlock_irqrestore(&rx->lock, flags);
+
+ if (r == NULL)
+ return -ENOMEM;
+
+ r->callback = cb;
+ r->cb_data = cb_data;
+
+ usb_fill_bulk_urb(r->urb,
+ usbdev,
+ usb_rcvbulkpipe(usbdev, 0x82),
+ r->buf,
+ RX_BUF_SIZE,
+ gdm_usb_rcv_complete,
+ r);
+
+ return usb_submit_urb(r->urb, GFP_ATOMIC);
+}
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+static void do_pm_control(struct work_struct *work)
+{
+ struct usbwm_dev *udev = container_of(work, struct usbwm_dev, pm_ws);
+ struct tx_cxt *tx = &udev->tx;
+ int ret;
+ unsigned long flags;
+
+ ret = usb_autopm_get_interface(udev->intf);
+ if (!ret)
+ usb_autopm_put_interface(udev->intf);
+
+ spin_lock_irqsave(&tx->lock, flags);
+ if (!(udev->usbdev->state & USB_STATE_SUSPENDED)
+ && (!list_empty(&tx->hci_list) || !list_empty(&tx->sdu_list))) {
+ struct usb_tx *t, *temp;
+
+ list_for_each_entry_safe(t, temp, &tx->pending_list, p_list) {
+ list_del(&t->p_list);
+ ret = usb_submit_urb(t->urb, GFP_ATOMIC);
+
+ if (ret) {
+ t->callback = NULL;
+ gdm_usb_send_complete(t->urb);
+ }
+ }
+ }
+ spin_unlock_irqrestore(&tx->lock, flags);
+}
+#endif /* CONFIG_WIMAX_GDM72XX_USB_PM */
+
+static int gdm_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int ret = 0;
+ u8 bConfigurationValue;
+ struct phy_dev *phy_dev = NULL;
+ struct usbwm_dev *udev = NULL;
+ u16 idVendor, idProduct, bcdDevice;
+
+ struct usb_device *usbdev = interface_to_usbdev(intf);
+
+ usb_get_dev(usbdev);
+ bConfigurationValue = usbdev->actconfig->desc.bConfigurationValue;
+
+ /*USB description is set up with Little-Endian*/
+ idVendor = L2H(usbdev->descriptor.idVendor);
+ idProduct = L2H(usbdev->descriptor.idProduct);
+ bcdDevice = L2H(usbdev->descriptor.bcdDevice);
+
+ printk(KERN_INFO "Found GDM USB VID = 0x%04x PID = 0x%04x...\n",
+ idVendor, idProduct);
+ printk(KERN_INFO "GCT WiMax driver version %s\n", DRIVER_VERSION);
+
+
+ if (idProduct == EMERGENCY_PID) {
+ ret = usb_emergency(usbdev);
+ goto out;
+ }
+
+ /* Support for EEPROM bootloader */
+ if (bConfigurationValue == DOWNLOAD_CONF_VALUE ||
+ idProduct & B_DOWNLOAD) {
+ ret = usb_boot(usbdev, bcdDevice);
+ goto out;
+ }
+
+ phy_dev = kmalloc(sizeof(*phy_dev), GFP_KERNEL);
+ if (phy_dev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+ udev = kmalloc(sizeof(*udev), GFP_KERNEL);
+ if (udev == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memset(phy_dev, 0, sizeof(*phy_dev));
+ memset(udev, 0, sizeof(*udev));
+
+ if (idProduct == 0x7205 || idProduct == 0x7206)
+ udev->padding = GDM7205_PADDING;
+ else
+ udev->padding = 0;
+
+ phy_dev->priv_dev = (void *)udev;
+ phy_dev->send_func = gdm_usb_send;
+ phy_dev->rcv_func = gdm_usb_receive;
+
+ ret = init_usb(udev);
+ if (ret < 0)
+ goto out;
+
+ udev->usbdev = usbdev;
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ udev->intf = intf;
+
+ intf->needs_remote_wakeup = 1;
+ device_init_wakeup(&intf->dev, 1);
+
+ pm_runtime_set_autosuspend_delay(&usbdev->dev, 10 * 1000); /* msec */
+
+ INIT_WORK(&udev->pm_ws, do_pm_control);
+#endif /* CONFIG_WIMAX_GDM72XX_USB_PM */
+
+ ret = register_wimax_device(phy_dev);
+
+out:
+ if (ret) {
+ kfree(phy_dev);
+ kfree(udev);
+ }
+ usb_set_intfdata(intf, phy_dev);
+ return ret;
+}
+
+static void gdm_usb_disconnect(struct usb_interface *intf)
+{
+ u8 bConfigurationValue;
+ struct phy_dev *phy_dev;
+ struct usbwm_dev *udev;
+ u16 idProduct;
+ struct usb_device *usbdev = interface_to_usbdev(intf);
+
+ bConfigurationValue = usbdev->actconfig->desc.bConfigurationValue;
+ phy_dev = usb_get_intfdata(intf);
+
+ /*USB description is set up with Little-Endian*/
+ idProduct = L2H(usbdev->descriptor.idProduct);
+
+ if (idProduct != EMERGENCY_PID &&
+ bConfigurationValue != DOWNLOAD_CONF_VALUE &&
+ (idProduct & B_DOWNLOAD) == 0) {
+ udev = phy_dev->priv_dev;
+ udev->usbdev = NULL;
+
+ unregister_wimax_device(phy_dev);
+ release_usb(udev);
+ kfree(udev);
+ kfree(phy_dev);
+ }
+
+ usb_put_dev(usbdev);
+}
+
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+static int gdm_suspend(struct usb_interface *intf, pm_message_t pm_msg)
+{
+ struct phy_dev *phy_dev;
+ struct usbwm_dev *udev;
+ struct rx_cxt *rx;
+ struct usb_rx *r;
+
+ phy_dev = usb_get_intfdata(intf);
+ udev = phy_dev->priv_dev;
+ rx = &udev->rx;
+
+ list_for_each_entry(r, &rx->used_list, list)
+ usb_unlink_urb(r->urb);
+
+ return 0;
+}
+
+static int gdm_resume(struct usb_interface *intf)
+{
+ struct phy_dev *phy_dev;
+ struct usbwm_dev *udev;
+ struct rx_cxt *rx;
+ struct usb_rx *r;
+
+ phy_dev = usb_get_intfdata(intf);
+ udev = phy_dev->priv_dev;
+ rx = &udev->rx;
+
+ list_for_each_entry(r, &rx->used_list, list)
+ usb_submit_urb(r->urb, GFP_ATOMIC);
+
+ return 0;
+}
+
+#endif /* CONFIG_WIMAX_GDM72XX_USB_PM */
+
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+static int k_mode_thread(void *arg)
+{
+ struct usbwm_dev *udev;
+ struct tx_cxt *tx;
+ struct rx_cxt *rx;
+ struct usb_tx *t, *temp;
+ struct usb_rx *r;
+ unsigned long flags, flags2, expire;
+ int ret;
+
+ daemonize("k_mode_wimax");
+
+ while (!k_mode_stop) {
+
+ spin_lock_irqsave(&k_lock, flags2);
+ while (!list_empty(&k_list)) {
+
+ udev = list_entry(k_list.next, struct usbwm_dev, list);
+ tx = &udev->tx;
+ rx = &udev->rx;
+
+ list_del(&udev->list);
+ spin_unlock_irqrestore(&k_lock, flags2);
+
+ expire = jiffies + K_WAIT_TIME;
+ while (jiffies < expire)
+ schedule_timeout(K_WAIT_TIME);
+
+ list_for_each_entry(r, &rx->used_list, list)
+ usb_submit_urb(r->urb, GFP_ATOMIC);
+
+ spin_lock_irqsave(&tx->lock, flags);
+
+ list_for_each_entry_safe(t, temp, &tx->pending_list,
+ p_list) {
+ list_del(&t->p_list);
+ ret = usb_submit_urb(t->urb, GFP_ATOMIC);
+
+ if (ret) {
+ t->callback = NULL;
+ gdm_usb_send_complete(t->urb);
+ }
+ }
+
+ udev->bw_switch = 0;
+ spin_unlock_irqrestore(&tx->lock, flags);
+
+ spin_lock_irqsave(&k_lock, flags2);
+ }
+ spin_unlock_irqrestore(&k_lock, flags2);
+
+ interruptible_sleep_on(&k_wait);
+ }
+ return 0;
+}
+#endif /* CONFIG_WIMAX_GDM72XX_K_MODE */
+
+static struct usb_driver gdm_usb_driver = {
+ .name = "gdm_wimax",
+ .probe = gdm_usb_probe,
+ .disconnect = gdm_usb_disconnect,
+ .id_table = id_table,
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ .supports_autosuspend = 1,
+ .suspend = gdm_suspend,
+ .resume = gdm_resume,
+ .reset_resume = gdm_resume,
+#endif
+};
+
+static int __init usb_gdm_wimax_init(void)
+{
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+ kernel_thread(k_mode_thread, NULL, CLONE_KERNEL);
+#endif /* CONFIG_WIMAX_GDM72XX_K_MODE */
+ return usb_register(&gdm_usb_driver);
+}
+
+static void __exit usb_gdm_wimax_exit(void)
+{
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+ k_mode_stop = 1;
+ wake_up(&k_wait);
+#endif
+ usb_deregister(&gdm_usb_driver);
+}
+
+module_init(usb_gdm_wimax_init);
+module_exit(usb_gdm_wimax_exit);
+
+MODULE_VERSION(DRIVER_VERSION);
+MODULE_DESCRIPTION("GCT WiMax Device Driver");
+MODULE_AUTHOR("Ethan Park");
+MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gdm72xx/gdm_usb.h b/drivers/staging/gdm72xx/gdm_usb.h
new file mode 100644
index 0000000..ecb891f
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_usb.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __GDM_USB_H__
+#define __GDM_USB_H__
+
+#include <linux/types.h>
+#include <linux/usb.h>
+#include <linux/list.h>
+
+#define B_DIFF_DL_DRV (1<<4)
+#define B_DOWNLOAD (1 << 5)
+#define MAX_NR_SDU_BUF 64
+
+struct usb_tx {
+ struct list_head list;
+#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
+ struct list_head p_list;
+#endif
+ struct tx_cxt *tx_cxt;
+
+ struct urb *urb;
+ u8 *buf;
+
+ void (*callback)(void *cb_data);
+ void *cb_data;
+};
+
+struct tx_cxt {
+ struct list_head free_list;
+ struct list_head sdu_list;
+ struct list_head hci_list;
+#if defined(CONFIG_WIMAX_GDM72XX_USB_PM) || defined(CONFIG_WIMAX_GDM72XX_K_MODE)
+ struct list_head pending_list;
+#endif
+
+ spinlock_t lock;
+};
+
+struct usb_rx {
+ struct list_head list;
+ struct rx_cxt *rx_cxt;
+
+ struct urb *urb;
+ u8 *buf;
+
+ void (*callback)(void *cb_data, void *data, int len);
+ void *cb_data;
+};
+
+struct rx_cxt {
+ struct list_head free_list;
+ struct list_head used_list;
+ spinlock_t lock;
+};
+
+struct usbwm_dev {
+ struct usb_device *usbdev;
+#ifdef CONFIG_WIMAX_GDM72XX_USB_PM
+ struct work_struct pm_ws;
+
+ struct usb_interface *intf;
+#endif
+#ifdef CONFIG_WIMAX_GDM72XX_K_MODE
+ int bw_switch;
+ struct list_head list;
+#endif
+
+ struct tx_cxt tx;
+ struct rx_cxt rx;
+
+ int padding;
+};
+
+#endif /* __GDM_USB_H__ */
diff --git a/drivers/staging/gdm72xx/gdm_wimax.c b/drivers/staging/gdm72xx/gdm_wimax.c
new file mode 100644
index 0000000..2787494
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_wimax.c
@@ -0,0 +1,1025 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/version.h>
+#include <linux/etherdevice.h>
+#include <asm/byteorder.h>
+#include <linux/ip.h>
+#include <linux/ipv6.h>
+#include <linux/udp.h>
+#include <linux/in.h>
+
+#include "gdm_wimax.h"
+#include "hci.h"
+#include "wm_ioctl.h"
+#include "netlink_k.h"
+
+#define gdm_wimax_send(n, d, l) \
+ (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, NULL, NULL)
+#define gdm_wimax_send_with_cb(n, d, l, c, b) \
+ (n->phy_dev->send_func)(n->phy_dev->priv_dev, d, l, c, b)
+#define gdm_wimax_rcv_with_cb(n, c, b) \
+ (n->phy_dev->rcv_func)(n->phy_dev->priv_dev, c, b)
+
+#define EVT_MAX_SIZE 2048
+
+struct evt_entry {
+ struct list_head list;
+ struct net_device *dev;
+ char evt_data[EVT_MAX_SIZE];
+ int size;
+};
+
+static void __gdm_wimax_event_send(struct work_struct *work);
+static inline struct evt_entry *alloc_event_entry(void);
+static inline void free_event_entry(struct evt_entry *e);
+static struct evt_entry *get_event_entry(void);
+static void put_event_entry(struct evt_entry *e);
+
+static struct {
+ int ref_cnt;
+ struct sock *sock;
+ struct list_head evtq;
+ spinlock_t evt_lock;
+
+ struct list_head freeq;
+ struct work_struct ws;
+} wm_event;
+
+static u8 gdm_wimax_macaddr[6] = {0x00, 0x0a, 0x3b, 0xf0, 0x01, 0x30};
+
+static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm);
+static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up);
+
+#if defined(DEBUG_SDU)
+static void printk_hex(u8 *buf, u32 size)
+{
+ int i;
+
+ for (i = 0; i < size; i++) {
+ if (i && i % 16 == 0)
+ printk(KERN_DEBUG "\n%02x ", *buf++);
+ else
+ printk(KERN_DEBUG "%02x ", *buf++);
+ }
+
+ printk(KERN_DEBUG "\n");
+}
+
+static const char *get_protocol_name(u16 protocol)
+{
+ static char buf[32];
+ const char *name = "-";
+
+ switch (protocol) {
+ case ETH_P_ARP:
+ name = "ARP";
+ break;
+ case ETH_P_IP:
+ name = "IP";
+ break;
+ case ETH_P_IPV6:
+ name = "IPv6";
+ break;
+ }
+
+ sprintf(buf, "0x%04x(%s)", protocol, name);
+ return buf;
+}
+
+static const char *get_ip_protocol_name(u8 ip_protocol)
+{
+ static char buf[32];
+ const char *name = "-";
+
+ switch (ip_protocol) {
+ case IPPROTO_TCP:
+ name = "TCP";
+ break;
+ case IPPROTO_UDP:
+ name = "UDP";
+ break;
+ case IPPROTO_ICMP:
+ name = "ICMP";
+ break;
+ }
+
+ sprintf(buf, "%u(%s)", ip_protocol, name);
+ return buf;
+}
+
+static const char *get_port_name(u16 port)
+{
+ static char buf[32];
+ const char *name = "-";
+
+ switch (port) {
+ case 67:
+ name = "DHCP-Server";
+ break;
+ case 68:
+ name = "DHCP-Client";
+ break;
+ case 69:
+ name = "TFTP";
+ break;
+ }
+
+ sprintf(buf, "%u(%s)", port, name);
+ return buf;
+}
+
+static void dump_eth_packet(const char *title, u8 *data, int len)
+{
+ struct iphdr *ih = NULL;
+ struct udphdr *uh = NULL;
+ u16 protocol = 0;
+ u8 ip_protocol = 0;
+ u16 port = 0;
+
+ protocol = (data[12]<<8) | data[13];
+ ih = (struct iphdr *) (data+ETH_HLEN);
+
+ if (protocol == ETH_P_IP) {
+ uh = (struct udphdr *) ((char *)ih + sizeof(struct iphdr));
+ ip_protocol = ih->protocol;
+ port = ntohs(uh->dest);
+ } else if (protocol == ETH_P_IPV6) {
+ struct ipv6hdr *i6h = (struct ipv6hdr *) data;
+ uh = (struct udphdr *) ((char *)i6h + sizeof(struct ipv6hdr));
+ ip_protocol = i6h->nexthdr;
+ port = ntohs(uh->dest);
+ }
+
+ printk(KERN_DEBUG "[%s] len=%d, %s, %s, %s\n",
+ title, len,
+ get_protocol_name(protocol),
+ get_ip_protocol_name(ip_protocol),
+ get_port_name(port));
+
+ #if 1
+ if (!(data[0] == 0xff && data[1] == 0xff)) {
+ if (protocol == ETH_P_IP) {
+ printk(KERN_DEBUG " src=%u.%u.%u.%u\n",
+ NIPQUAD(ih->saddr));
+ } else if (protocol == ETH_P_IPV6) {
+ #ifdef NIP6
+ printk(KERN_DEBUG " src=%x:%x:%x:%x:%x:%x:%x:%x\n",
+ NIP6(ih->saddr));
+ #else
+ printk(KERN_DEBUG " src=%pI6\n", &ih->saddr);
+ #endif
+ }
+ }
+ #endif
+
+ #if (DUMP_PACKET & DUMP_SDU_ALL)
+ printk_hex(data, len);
+ #else
+ #if (DUMP_PACKET & DUMP_SDU_ARP)
+ if (protocol == ETH_P_ARP)
+ printk_hex(data, len);
+ #endif
+ #if (DUMP_PACKET & DUMP_SDU_IP)
+ if (protocol == ETH_P_IP || protocol == ETH_P_IPV6)
+ printk_hex(data, len);
+ #else
+ #if (DUMP_PACKET & DUMP_SDU_IP_TCP)
+ if (ip_protocol == IPPROTO_TCP)
+ printk_hex(data, len);
+ #endif
+ #if (DUMP_PACKET & DUMP_SDU_IP_UDP)
+ if (ip_protocol == IPPROTO_UDP)
+ printk_hex(data, len);
+ #endif
+ #if (DUMP_PACKET & DUMP_SDU_IP_ICMP)
+ if (ip_protocol == IPPROTO_ICMP)
+ printk_hex(data, len);
+ #endif
+ #endif
+ #endif
+}
+#endif
+
+
+static inline int gdm_wimax_header(struct sk_buff **pskb)
+{
+ u16 buf[HCI_HEADER_SIZE / sizeof(u16)];
+ struct sk_buff *skb = *pskb;
+ int ret = 0;
+
+ if (unlikely(skb_headroom(skb) < HCI_HEADER_SIZE)) {
+ struct sk_buff *skb2;
+
+ skb2 = skb_realloc_headroom(skb, HCI_HEADER_SIZE);
+ if (skb2 == NULL)
+ return -ENOMEM;
+ if (skb->sk)
+ skb_set_owner_w(skb2, skb->sk);
+ kfree_skb(skb);
+ skb = skb2;
+ }
+
+ skb_push(skb, HCI_HEADER_SIZE);
+ buf[0] = H2B(WIMAX_TX_SDU);
+ buf[1] = H2B(skb->len - HCI_HEADER_SIZE);
+ memcpy(skb->data, buf, HCI_HEADER_SIZE);
+
+ *pskb = skb;
+ return ret;
+}
+
+static void gdm_wimax_event_rcv(struct net_device *dev, u16 type, void *msg,
+ int len)
+{
+ struct nic *nic = netdev_priv(dev);
+
+ #if defined(DEBUG_HCI)
+ u8 *buf = (u8 *) msg;
+ u16 hci_cmd = (buf[0]<<8) | buf[1];
+ u16 hci_len = (buf[2]<<8) | buf[3];
+ printk(KERN_DEBUG "H=>D: 0x%04x(%d)\n", hci_cmd, hci_len);
+ #endif
+
+ gdm_wimax_send(nic, msg, len);
+}
+
+static int gdm_wimax_event_init(void)
+{
+ if (wm_event.ref_cnt == 0) {
+ wm_event.sock = netlink_init(NETLINK_WIMAX,
+ gdm_wimax_event_rcv);
+ INIT_LIST_HEAD(&wm_event.evtq);
+ INIT_LIST_HEAD(&wm_event.freeq);
+ INIT_WORK(&wm_event.ws, __gdm_wimax_event_send);
+ spin_lock_init(&wm_event.evt_lock);
+ }
+
+ if (wm_event.sock) {
+ wm_event.ref_cnt++;
+ return 0;
+ }
+
+ printk(KERN_ERR "Creating WiMax Event netlink is failed\n");
+ return -1;
+}
+
+static void gdm_wimax_event_exit(void)
+{
+ if (wm_event.sock && --wm_event.ref_cnt == 0) {
+ struct evt_entry *e, *temp;
+ unsigned long flags;
+
+ spin_lock_irqsave(&wm_event.evt_lock, flags);
+
+ list_for_each_entry_safe(e, temp, &wm_event.evtq, list) {
+ list_del(&e->list);
+ free_event_entry(e);
+ }
+ list_for_each_entry_safe(e, temp, &wm_event.freeq, list) {
+ list_del(&e->list);
+ free_event_entry(e);
+ }
+
+ spin_unlock_irqrestore(&wm_event.evt_lock, flags);
+ netlink_exit(wm_event.sock);
+ wm_event.sock = NULL;
+ }
+}
+
+static inline struct evt_entry *alloc_event_entry(void)
+{
+ return kmalloc(sizeof(struct evt_entry), GFP_ATOMIC);
+}
+
+static inline void free_event_entry(struct evt_entry *e)
+{
+ kfree(e);
+}
+
+static struct evt_entry *get_event_entry(void)
+{
+ struct evt_entry *e;
+
+ if (list_empty(&wm_event.freeq))
+ e = alloc_event_entry();
+ else {
+ e = list_entry(wm_event.freeq.next, struct evt_entry, list);
+ list_del(&e->list);
+ }
+
+ return e;
+}
+
+static void put_event_entry(struct evt_entry *e)
+{
+ BUG_ON(!e);
+
+ list_add_tail(&e->list, &wm_event.freeq);
+}
+
+static void __gdm_wimax_event_send(struct work_struct *work)
+{
+ int idx;
+ unsigned long flags;
+ struct evt_entry *e;
+
+ spin_lock_irqsave(&wm_event.evt_lock, flags);
+
+ while (!list_empty(&wm_event.evtq)) {
+ e = list_entry(wm_event.evtq.next, struct evt_entry, list);
+ spin_unlock_irqrestore(&wm_event.evt_lock, flags);
+
+ sscanf(e->dev->name, "wm%d", &idx);
+ netlink_send(wm_event.sock, idx, 0, e->evt_data, e->size);
+
+ spin_lock_irqsave(&wm_event.evt_lock, flags);
+ list_del(&e->list);
+ put_event_entry(e);
+ }
+
+ spin_unlock_irqrestore(&wm_event.evt_lock, flags);
+}
+
+static int gdm_wimax_event_send(struct net_device *dev, char *buf, int size)
+{
+ struct evt_entry *e;
+ unsigned long flags;
+
+ #if defined(DEBUG_HCI)
+ u16 hci_cmd = ((u8)buf[0]<<8) | (u8)buf[1];
+ u16 hci_len = ((u8)buf[2]<<8) | (u8)buf[3];
+ printk(KERN_DEBUG "D=>H: 0x%04x(%d)\n", hci_cmd, hci_len);
+ #endif
+
+ spin_lock_irqsave(&wm_event.evt_lock, flags);
+
+ e = get_event_entry();
+ if (!e) {
+ printk(KERN_ERR "%s: No memory for event\n", __func__);
+ spin_unlock_irqrestore(&wm_event.evt_lock, flags);
+ return -ENOMEM;
+ }
+
+ e->dev = dev;
+ e->size = size;
+ memcpy(e->evt_data, buf, size);
+
+ list_add_tail(&e->list, &wm_event.evtq);
+ spin_unlock_irqrestore(&wm_event.evt_lock, flags);
+
+ schedule_work(&wm_event.ws);
+
+ return 0;
+}
+
+static void tx_complete(void *arg)
+{
+ struct nic *nic = arg;
+
+ if (netif_queue_stopped(nic->netdev))
+ netif_wake_queue(nic->netdev);
+}
+
+int gdm_wimax_send_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ int ret = 0;
+ struct nic *nic = netdev_priv(dev);
+
+ ret = gdm_wimax_send_with_cb(nic, skb->data, skb->len, tx_complete,
+ nic);
+ if (ret == -ENOSPC) {
+ netif_stop_queue(dev);
+ ret = 0;
+ }
+
+ if (ret) {
+ skb_pull(skb, HCI_HEADER_SIZE);
+ return ret;
+ }
+
+ nic->stats.tx_packets++;
+ nic->stats.tx_bytes += skb->len - HCI_HEADER_SIZE;
+ kfree_skb(skb);
+ return ret;
+}
+
+static int gdm_wimax_tx(struct sk_buff *skb, struct net_device *dev)
+{
+ int ret = 0;
+ struct nic *nic = netdev_priv(dev);
+ struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
+
+ #if defined(DEBUG_SDU)
+ dump_eth_packet("TX", skb->data, skb->len);
+ #endif
+
+ ret = gdm_wimax_header(&skb);
+ if (ret < 0) {
+ skb_pull(skb, HCI_HEADER_SIZE);
+ return ret;
+ }
+
+ #if !defined(LOOPBACK_TEST)
+ if (!fsm)
+ printk(KERN_ERR "ASSERTION ERROR: fsm is NULL!!\n");
+ else if (fsm->m_status != M_CONNECTED) {
+ printk(KERN_EMERG "ASSERTION ERROR: Device is NOT ready. status=%d\n",
+ fsm->m_status);
+ kfree_skb(skb);
+ return 0;
+ }
+ #endif
+
+#if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ ret = gdm_qos_send_hci_pkt(skb, dev);
+#else
+ ret = gdm_wimax_send_tx(skb, dev);
+#endif
+ return ret;
+}
+
+static int gdm_wimax_set_config(struct net_device *dev, struct ifmap *map)
+{
+ if (dev->flags & IFF_UP)
+ return -EBUSY;
+
+ return 0;
+}
+
+static void __gdm_wimax_set_mac_addr(struct net_device *dev, char *mac_addr)
+{
+ u16 hci_pkt_buf[32 / sizeof(u16)];
+ u8 *pkt = (u8 *) &hci_pkt_buf[0];
+ struct nic *nic = netdev_priv(dev);
+
+ /* Since dev is registered as a ethernet device,
+ * ether_setup has made dev->addr_len to be ETH_ALEN
+ */
+ memcpy(dev->dev_addr, mac_addr, dev->addr_len);
+
+ /* Let lower layer know of this change by sending
+ * SetInformation(MAC Address)
+ */
+ hci_pkt_buf[0] = H2B(WIMAX_SET_INFO); /* cmd_evt */
+ hci_pkt_buf[1] = H2B(8); /* size */
+ pkt[4] = 0; /* T */
+ pkt[5] = 6; /* L */
+ memcpy(pkt + 6, mac_addr, dev->addr_len); /* V */
+
+ gdm_wimax_send(nic, pkt, HCI_HEADER_SIZE + 8);
+}
+
+/* A driver function */
+static int gdm_wimax_set_mac_addr(struct net_device *dev, void *p)
+{
+ struct sockaddr *addr = p;
+
+ if (netif_running(dev))
+ return -EBUSY;
+
+ if (!is_valid_ether_addr(addr->sa_data))
+ return -EADDRNOTAVAIL;
+
+ __gdm_wimax_set_mac_addr(dev, addr->sa_data);
+
+ return 0;
+}
+
+static struct net_device_stats *gdm_wimax_stats(struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+
+ return &nic->stats;
+}
+
+static int gdm_wimax_open(struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+ struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
+
+ netif_start_queue(dev);
+
+ if (fsm && fsm->m_status != M_INIT)
+ gdm_wimax_ind_if_updown(dev, 1);
+ return 0;
+}
+
+static int gdm_wimax_close(struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+ struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
+
+ netif_stop_queue(dev);
+
+ if (fsm && fsm->m_status != M_INIT)
+ gdm_wimax_ind_if_updown(dev, 0);
+ return 0;
+}
+
+static void kdelete(void **buf)
+{
+ if (buf && *buf) {
+ kfree(*buf);
+ *buf = NULL;
+ }
+}
+
+static int gdm_wimax_ioctl_get_data(struct data_s *dst, struct data_s *src)
+{
+ int size;
+
+ size = dst->size < src->size ? dst->size : src->size;
+
+ dst->size = size;
+ if (src->size) {
+ if (!dst->buf)
+ return -EINVAL;
+ if (copy_to_user(dst->buf, src->buf, size))
+ return -EFAULT;
+ }
+ return 0;
+}
+
+static int gdm_wimax_ioctl_set_data(struct data_s *dst, struct data_s *src)
+{
+ if (!src->size) {
+ dst->size = 0;
+ return 0;
+ }
+
+ if (!src->buf)
+ return -EINVAL;
+
+ if (!(dst->buf && dst->size == src->size)) {
+ kdelete(&dst->buf);
+ dst->buf = kmalloc(src->size, GFP_KERNEL);
+ if (dst->buf == NULL)
+ return -ENOMEM;
+ }
+
+ if (copy_from_user(dst->buf, src->buf, src->size)) {
+ kdelete(&dst->buf);
+ return -EFAULT;
+ }
+ dst->size = src->size;
+ return 0;
+}
+
+static void gdm_wimax_cleanup_ioctl(struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+ int i;
+
+ for (i = 0; i < SIOC_DATA_MAX; i++)
+ kdelete(&nic->sdk_data[i].buf);
+}
+
+static void gdm_update_fsm(struct net_device *dev, struct fsm_s *new_fsm)
+{
+ struct nic *nic = netdev_priv(dev);
+ struct fsm_s *cur_fsm =
+ (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
+
+ if (!cur_fsm)
+ return;
+
+ if (cur_fsm->m_status != new_fsm->m_status ||
+ cur_fsm->c_status != new_fsm->c_status) {
+ if (new_fsm->m_status == M_CONNECTED)
+ netif_carrier_on(dev);
+ else if (cur_fsm->m_status == M_CONNECTED) {
+ netif_carrier_off(dev);
+ #if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ gdm_qos_release_list(nic);
+ #endif
+ }
+ gdm_wimax_ind_fsm_update(dev, new_fsm);
+ }
+}
+
+static int gdm_wimax_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct wm_req_s *req = (struct wm_req_s *) ifr;
+ struct nic *nic = netdev_priv(dev);
+ int ret;
+
+ if (cmd != SIOCWMIOCTL)
+ return -EOPNOTSUPP;
+
+ switch (req->cmd) {
+ case SIOCG_DATA:
+ case SIOCS_DATA:
+ if (req->data_id >= SIOC_DATA_MAX) {
+ printk(KERN_ERR
+ "%s error: data-index(%d) is invalid!!\n",
+ __func__, req->data_id);
+ return -EOPNOTSUPP;
+ }
+ if (req->cmd == SIOCG_DATA) {
+ ret = gdm_wimax_ioctl_get_data(&req->data,
+ &nic->sdk_data[req->data_id]);
+ if (ret < 0)
+ return ret;
+ } else if (req->cmd == SIOCS_DATA) {
+ if (req->data_id == SIOC_DATA_FSM) {
+ /*NOTE: gdm_update_fsm should be called
+ before gdm_wimax_ioctl_set_data is called*/
+ gdm_update_fsm(dev,
+ (struct fsm_s *) req->data.buf);
+ }
+ ret = gdm_wimax_ioctl_set_data(
+ &nic->sdk_data[req->data_id], &req->data);
+ if (ret < 0)
+ return ret;
+ }
+ break;
+ default:
+ printk(KERN_ERR "%s: %x unknown ioctl\n", __func__, cmd);
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static void gdm_wimax_prepare_device(struct net_device *dev)
+{
+ struct nic *nic = netdev_priv(dev);
+ u16 buf[32 / sizeof(u16)];
+ struct hci_s *hci = (struct hci_s *) buf;
+ u16 len = 0;
+ u32 val = 0;
+
+ #define BIT_MULTI_CS 0
+ #define BIT_WIMAX 1
+ #define BIT_QOS 2
+ #define BIT_AGGREGATION 3
+
+ /* GetInformation mac address */
+ len = 0;
+ hci->cmd_evt = H2B(WIMAX_GET_INFO);
+ hci->data[len++] = TLV_T(T_MAC_ADDRESS);
+ hci->length = H2B(len);
+ gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
+
+ val = (1<<BIT_WIMAX) | (1<<BIT_MULTI_CS);
+ #if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ val |= (1<<BIT_QOS);
+ #endif
+ #if defined(CONFIG_WIMAX_GDM72XX_WIMAX2)
+ val |= (1<<BIT_AGGREGATION);
+ #endif
+
+ /* Set capability */
+ len = 0;
+ hci->cmd_evt = H2B(WIMAX_SET_INFO);
+ hci->data[len++] = TLV_T(T_CAPABILITY);
+ hci->data[len++] = TLV_L(T_CAPABILITY);
+ val = DH2B(val);
+ memcpy(&hci->data[len], &val, TLV_L(T_CAPABILITY));
+ len += TLV_L(T_CAPABILITY);
+ hci->length = H2B(len);
+ gdm_wimax_send(nic, hci, HCI_HEADER_SIZE+len);
+
+ printk(KERN_INFO "GDM WiMax Set CAPABILITY: 0x%08X\n", DB2H(val));
+}
+
+static int gdm_wimax_hci_get_tlv(u8 *buf, u8 *T, u16 *L, u8 **V)
+{
+ #define __U82U16(b) ((u16)((u8 *)(b))[0] | ((u16)((u8 *)(b))[1] << 8))
+ int next_pos;
+
+ *T = buf[0];
+ if (buf[1] == 0x82) {
+ *L = B2H(__U82U16(&buf[2]));
+ next_pos = 1/*type*/+3/*len*/;
+ } else {
+ *L = buf[1];
+ next_pos = 1/*type*/+1/*len*/;
+ }
+ *V = &buf[next_pos];
+
+ next_pos += *L/*length of val*/;
+ return next_pos;
+}
+
+static int gdm_wimax_get_prepared_info(struct net_device *dev, char *buf,
+ int len)
+{
+ u8 T, *V;
+ u16 L;
+ u16 cmd_evt, cmd_len;
+ int pos = HCI_HEADER_SIZE;
+
+ cmd_evt = B2H(*(u16 *)&buf[0]);
+ cmd_len = B2H(*(u16 *)&buf[2]);
+
+ if (len < cmd_len + HCI_HEADER_SIZE) {
+ printk(KERN_ERR "%s: invalid length [%d/%d]\n", __func__,
+ cmd_len + HCI_HEADER_SIZE, len);
+ return -1;
+ }
+
+ if (cmd_evt == WIMAX_GET_INFO_RESULT) {
+ if (cmd_len < 2) {
+ printk(KERN_ERR "%s: len is too short [%x/%d]\n",
+ __func__, cmd_evt, len);
+ return -1;
+ }
+
+ pos += gdm_wimax_hci_get_tlv(&buf[pos], &T, &L, &V);
+ if (T == TLV_T(T_MAC_ADDRESS)) {
+ if (L != dev->addr_len) {
+ printk(KERN_ERR
+ "%s Invalid inofrmation result T/L "
+ "[%x/%d]\n", __func__, T, L);
+ return -1;
+ }
+ printk(KERN_INFO
+ "MAC change [%02x:%02x:%02x:%02x:%02x:%02x]"
+ "->[%02x:%02x:%02x:%02x:%02x:%02x]\n",
+ dev->dev_addr[0], dev->dev_addr[1],
+ dev->dev_addr[2], dev->dev_addr[3],
+ dev->dev_addr[4], dev->dev_addr[5],
+ V[0], V[1], V[2], V[3], V[4], V[5]);
+ memcpy(dev->dev_addr, V, dev->addr_len);
+ return 1;
+ }
+ }
+
+ gdm_wimax_event_send(dev, buf, len);
+ return 0;
+}
+
+static void gdm_wimax_netif_rx(struct net_device *dev, char *buf, int len)
+{
+ struct nic *nic = netdev_priv(dev);
+ struct sk_buff *skb;
+ int ret;
+
+ #if defined(DEBUG_SDU)
+ dump_eth_packet("RX", buf, len);
+ #endif
+
+ skb = dev_alloc_skb(len + 2);
+ if (!skb) {
+ printk(KERN_ERR "%s: dev_alloc_skb failed!\n", __func__);
+ return;
+ }
+ skb_reserve(skb, 2);
+
+ nic->stats.rx_packets++;
+ nic->stats.rx_bytes += len;
+
+ memcpy(skb_put(skb, len), buf, len);
+
+ skb->dev = dev;
+ skb->protocol = eth_type_trans(skb, dev); /* what will happen? */
+
+ ret = in_interrupt() ? netif_rx(skb) : netif_rx_ni(skb);
+ if (ret == NET_RX_DROP)
+ printk(KERN_ERR "%s skb dropped\n", __func__);
+}
+
+static void gdm_wimax_transmit_aggr_pkt(struct net_device *dev, char *buf,
+ int len)
+{
+ #define HCI_PADDING_BYTE 4
+ #define HCI_RESERVED_BYTE 4
+ struct hci_s *hci;
+ int length;
+
+ while (len > 0) {
+ hci = (struct hci_s *) buf;
+
+ if (B2H(hci->cmd_evt) != WIMAX_RX_SDU) {
+ printk(KERN_ERR "Wrong cmd_evt(0x%04X)\n",
+ B2H(hci->cmd_evt));
+ break;
+ }
+
+ length = B2H(hci->length);
+ gdm_wimax_netif_rx(dev, hci->data, length);
+
+ if (length & 0x3) {
+ /* Add padding size */
+ length += HCI_PADDING_BYTE - (length & 0x3);
+ }
+
+ length += HCI_HEADER_SIZE + HCI_RESERVED_BYTE;
+ len -= length;
+ buf += length;
+ }
+}
+
+static void gdm_wimax_transmit_pkt(struct net_device *dev, char *buf, int len)
+{
+ #if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ struct nic *nic = netdev_priv(dev);
+ #endif
+ u16 cmd_evt, cmd_len;
+
+ /* This code is added for certain rx packet to be ignored. */
+ if (len == 0)
+ return;
+
+ cmd_evt = B2H(*(u16 *)&buf[0]);
+ cmd_len = B2H(*(u16 *)&buf[2]);
+
+ if (len < cmd_len + HCI_HEADER_SIZE) {
+ if (len)
+ printk(KERN_ERR "%s: invalid length [%d/%d]\n",
+ __func__, cmd_len + HCI_HEADER_SIZE, len);
+ return;
+ }
+
+ switch (cmd_evt) {
+ case WIMAX_RX_SDU_AGGR:
+ gdm_wimax_transmit_aggr_pkt(dev, &buf[HCI_HEADER_SIZE],
+ cmd_len);
+ break;
+ case WIMAX_RX_SDU:
+ gdm_wimax_netif_rx(dev, &buf[HCI_HEADER_SIZE], cmd_len);
+ break;
+ #if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ case WIMAX_EVT_MODEM_REPORT:
+ gdm_recv_qos_hci_packet(nic, buf, len);
+ break;
+ #endif
+ case WIMAX_SDU_TX_FLOW:
+ if (buf[4] == 0) {
+ if (!netif_queue_stopped(dev))
+ netif_stop_queue(dev);
+ } else if (buf[4] == 1) {
+ if (netif_queue_stopped(dev))
+ netif_wake_queue(dev);
+ }
+ break;
+ default:
+ gdm_wimax_event_send(dev, buf, len);
+ break;
+ }
+}
+
+static void gdm_wimax_ind_fsm_update(struct net_device *dev, struct fsm_s *fsm)
+{
+ u16 buf[32 / sizeof(u16)];
+ u8 *hci_pkt_buf = (u8 *)&buf[0];
+
+ /* Indicate updating fsm */
+ buf[0] = H2B(WIMAX_FSM_UPDATE);
+ buf[1] = H2B(sizeof(struct fsm_s));
+ memcpy(&hci_pkt_buf[HCI_HEADER_SIZE], fsm, sizeof(struct fsm_s));
+
+ gdm_wimax_event_send(dev, hci_pkt_buf,
+ HCI_HEADER_SIZE + sizeof(struct fsm_s));
+}
+
+static void gdm_wimax_ind_if_updown(struct net_device *dev, int if_up)
+{
+ u16 buf[32 / sizeof(u16)];
+ struct hci_s *hci = (struct hci_s *) buf;
+ unsigned char up_down;
+
+ up_down = if_up ? WIMAX_IF_UP : WIMAX_IF_DOWN;
+
+ /* Indicate updating fsm */
+ hci->cmd_evt = H2B(WIMAX_IF_UPDOWN);
+ hci->length = H2B(sizeof(up_down));
+ hci->data[0] = up_down;
+
+ gdm_wimax_event_send(dev, (char *)hci, HCI_HEADER_SIZE+sizeof(up_down));
+}
+
+static void rx_complete(void *arg, void *data, int len)
+{
+ struct nic *nic = arg;
+
+ gdm_wimax_transmit_pkt(nic->netdev, data, len);
+ gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
+}
+
+static void prepare_rx_complete(void *arg, void *data, int len)
+{
+ struct nic *nic = arg;
+ int ret;
+
+ ret = gdm_wimax_get_prepared_info(nic->netdev, data, len);
+ if (ret == 1)
+ gdm_wimax_rcv_with_cb(nic, rx_complete, nic);
+ else {
+ if (ret < 0)
+ printk(KERN_ERR "get_prepared_info failed(%d)\n", ret);
+ gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
+ #if 0
+ /* Re-prepare WiMax device */
+ gdm_wimax_prepare_device(nic->netdev);
+ #endif
+ }
+}
+
+static void start_rx_proc(struct nic *nic)
+{
+ gdm_wimax_rcv_with_cb(nic, prepare_rx_complete, nic);
+}
+
+static struct net_device_ops gdm_netdev_ops = {
+ .ndo_open = gdm_wimax_open,
+ .ndo_stop = gdm_wimax_close,
+ .ndo_set_config = gdm_wimax_set_config,
+ .ndo_start_xmit = gdm_wimax_tx,
+ .ndo_get_stats = gdm_wimax_stats,
+ .ndo_set_mac_address = gdm_wimax_set_mac_addr,
+ .ndo_do_ioctl = gdm_wimax_ioctl,
+};
+
+int register_wimax_device(struct phy_dev *phy_dev)
+{
+ struct nic *nic = NULL;
+ struct net_device *dev;
+ int ret;
+
+ dev = (struct net_device *)alloc_netdev(sizeof(*nic),
+ "wm%d", ether_setup);
+
+ if (dev == NULL) {
+ printk(KERN_ERR "alloc_etherdev failed\n");
+ return -ENOMEM;
+ }
+
+ dev->mtu = 1400;
+ dev->netdev_ops = &gdm_netdev_ops;
+ dev->flags &= ~IFF_MULTICAST;
+ memcpy(dev->dev_addr, gdm_wimax_macaddr, sizeof(gdm_wimax_macaddr));
+
+ nic = netdev_priv(dev);
+ memset(nic, 0, sizeof(*nic));
+
+ nic->netdev = dev;
+ nic->phy_dev = phy_dev;
+ phy_dev->netdev = dev;
+
+ /* event socket init */
+ ret = gdm_wimax_event_init();
+ if (ret < 0) {
+ printk(KERN_ERR "Cannot create event.\n");
+ goto cleanup;
+ }
+
+ ret = register_netdev(dev);
+ if (ret)
+ goto cleanup;
+
+ #if defined(LOOPBACK_TEST)
+ netif_start_queue(dev);
+ netif_carrier_on(dev);
+ #else
+ netif_carrier_off(dev);
+ #endif
+
+#ifdef CONFIG_WIMAX_GDM72XX_QOS
+ gdm_qos_init(nic);
+#endif
+
+ start_rx_proc(nic);
+
+ /* Prepare WiMax device */
+ gdm_wimax_prepare_device(dev);
+
+ return 0;
+
+cleanup:
+ printk(KERN_ERR "register_netdev failed\n");
+ free_netdev(dev);
+ return ret;
+}
+
+void unregister_wimax_device(struct phy_dev *phy_dev)
+{
+ struct nic *nic = netdev_priv(phy_dev->netdev);
+ struct fsm_s *fsm = (struct fsm_s *) nic->sdk_data[SIOC_DATA_FSM].buf;
+
+ if (fsm)
+ fsm->m_status = M_INIT;
+ unregister_netdev(nic->netdev);
+
+ gdm_wimax_event_exit();
+
+#if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ gdm_qos_release_list(nic);
+#endif
+
+ gdm_wimax_cleanup_ioctl(phy_dev->netdev);
+
+ free_netdev(nic->netdev);
+}
diff --git a/drivers/staging/gdm72xx/gdm_wimax.h b/drivers/staging/gdm72xx/gdm_wimax.h
new file mode 100644
index 0000000..a1cd71e
--- /dev/null
+++ b/drivers/staging/gdm72xx/gdm_wimax.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __GDM_WIMAX_H__
+#define __GDM_WIMAX_H__
+
+#include <linux/netdevice.h>
+#include <linux/version.h>
+#include <linux/types.h>
+#include "wm_ioctl.h"
+#if defined(CONFIG_WIMAX_GDM72XX_QOS)
+#include "gdm_qos.h"
+#endif
+
+#define DRIVER_VERSION "3.2.3"
+
+/*#define ETH_P_IP 0x0800 */
+/*#define ETH_P_ARP 0x0806 */
+/*#define ETH_P_IPV6 0x86DD */
+
+#define H2L(x) __cpu_to_le16(x)
+#define L2H(x) __le16_to_cpu(x)
+#define DH2L(x) __cpu_to_le32(x)
+#define DL2H(x) __le32_to_cpu(x)
+
+#define H2B(x) __cpu_to_be16(x)
+#define B2H(x) __be16_to_cpu(x)
+#define DH2B(x) __cpu_to_be32(x)
+#define DB2H(x) __be32_to_cpu(x)
+
+struct phy_dev {
+ void *priv_dev;
+ struct net_device *netdev;
+
+ int (*send_func)(void *priv_dev, void *data, int len,
+ void (*cb)(void *cb_data), void *cb_data);
+ int (*rcv_func)(void *priv_dev,
+ void (*cb)(void *cb_data, void *data, int len),
+ void *cb_data);
+};
+
+struct nic {
+ struct net_device *netdev;
+ struct phy_dev *phy_dev;
+
+ struct net_device_stats stats;
+
+ struct data_s sdk_data[SIOC_DATA_MAX];
+
+#if defined(CONFIG_WIMAX_GDM72XX_QOS)
+ struct qos_cb_s qos;
+#endif
+
+};
+
+
+#if 0
+#define dprintk(fmt, args ...) printk(KERN_DEBUG " [GDM] " fmt, ## args)
+#else
+#define dprintk(...)
+#endif
+
+/*#define DEBUG_SDU */
+#if defined(DEBUG_SDU)
+#define DUMP_SDU_ALL (1<<0)
+#define DUMP_SDU_ARP (1<<1)
+#define DUMP_SDU_IP (1<<2)
+#define DUMP_SDU_IP_TCP (1<<8)
+#define DUMP_SDU_IP_UDP (1<<9)
+#define DUMP_SDU_IP_ICMP (1<<10)
+#define DUMP_PACKET (DUMP_SDU_ALL)
+#endif
+
+/*#define DEBUG_HCI */
+
+/*#define LOOPBACK_TEST */
+
+extern int register_wimax_device(struct phy_dev *phy_dev);
+extern int gdm_wimax_send_tx(struct sk_buff *skb, struct net_device *dev);
+extern void unregister_wimax_device(struct phy_dev *phy_dev);
+
+#endif
diff --git a/drivers/staging/gdm72xx/hci.h b/drivers/staging/gdm72xx/hci.h
new file mode 100644
index 0000000..0e06766
--- /dev/null
+++ b/drivers/staging/gdm72xx/hci.h
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef HCI_H_20080801
+#define HCI_H_20080801
+
+#define HCI_HEADER_SIZE 4
+#define HCI_VALUE_OFFS (HCI_HEADER_SIZE)
+#define HCI_MAX_PACKET 2048
+#define HCI_MAX_PARAM (HCI_MAX_PACKET-HCI_HEADER_SIZE)
+#define HCI_MAX_TLV 32
+
+/* CMD-EVT */
+
+/* Category 0 */
+#define WIMAX_RESET 0x0000
+#define WIMAX_SET_INFO 0x0001
+#define WIMAX_GET_INFO 0x0002
+#define WIMAX_GET_INFO_RESULT 0x8003
+#define WIMAX_RADIO_OFF 0x0004
+#define WIMAX_RADIO_ON 0x0006
+#define WIMAX_WIMAX_RESET 0x0007 /* Is this still here */
+
+/* Category 1 */
+#define WIMAX_NET_ENTRY 0x0100
+#define WIMAX_NET_DISCONN 0x0102
+#define WIMAX_ENTER_SLEEP 0x0103
+#define WIMAX_EXIT_SLEEP 0x0104
+#define WIMAX_ENTER_IDLE 0x0105
+#define WIMAX_EXIT_IDLE 0x0106
+#define WIMAX_MODE_CHANGE 0x8108
+#define WIMAX_HANDOVER 0x8109 /* obsolete */
+
+#define WIMAX_SCAN 0x010d
+#define WIMAX_SCAN_COMPLETE 0x810e
+#define WIMAX_SCAN_RESULT 0x810f
+
+#define WIMAX_CONNECT 0x0110
+#define WIMAX_CONNECT_START 0x8111
+#define WIMAX_CONNECT_COMPLETE 0x8112
+#define WIMAX_ASSOC_START 0x8113
+#define WIMAX_ASSOC_COMPLETE 0x8114
+#define WIMAX_DISCONN_IND 0x8115
+#define WIMAX_ENTRY_IND 0x8116
+#define WIMAX_HO_START 0x8117
+#define WIMAX_HO_COMPLETE 0x8118
+#define WIMAX_RADIO_STATE_IND 0x8119
+#define WIMAX_IP_RENEW_IND 0x811a
+
+#define WIMAX_DISCOVER_NSP 0x011d
+#define WIMAX_DISCOVER_NSP_RESULT 0x811e
+
+#define WIMAX_SDU_TX_FLOW 0x8125
+
+/* Category 2 */
+#define WIMAX_TX_EAP 0x0200
+#define WIMAX_RX_EAP 0x8201
+#define WIMAX_TX_SDU 0x0202
+#define WIMAX_RX_SDU 0x8203
+#define WIMAX_RX_SDU_AGGR 0x8204
+#define WIMAX_TX_SDU_AGGR 0x0205
+
+/* Category 3 */
+#define WIMAX_DM_CMD 0x030a
+#define WIMAX_DM_RSP 0x830b
+
+#define WIMAX_CLI_CMD 0x030c
+#define WIMAX_CLI_RSP 0x830d
+
+#define WIMAX_DL_IMAGE 0x0310
+#define WIMAX_DL_IMAGE_STATUS 0x8311
+#define WIMAX_UL_IMAGE 0x0312
+#define WIMAX_UL_IMAGE_RESULT 0x8313
+#define WIMAX_UL_IMAGE_STATUS 0x0314
+
+#define WIMAX_EVT_MODEM_REPORT 0x8325
+
+/* Category 0xF */
+#define WIMAX_FSM_UPDATE 0x8F01
+#define WIMAX_IF_UPDOWN 0x8F02
+ #define WIMAX_IF_UP 1
+ #define WIMAX_IF_DOWN 2
+
+/* WIMAX mode */
+#define W_NULL 0
+#define W_STANDBY 1
+#define W_OOZ 2
+#define W_AWAKE 3
+#define W_IDLE 4
+#define W_SLEEP 5
+#define W_WAIT 6
+
+#define W_NET_ENTRY_RNG 0x80
+#define W_NET_ENTRY_SBC 0x81
+#define W_NET_ENTRY_PKM 0x82
+#define W_NET_ENTRY_REG 0x83
+#define W_NET_ENTRY_DSX 0x84
+
+#define W_NET_ENTRY_RNG_FAIL 0x1100100
+#define W_NET_ENTRY_SBC_FAIL 0x1100200
+#define W_NET_ENTRY_PKM_FAIL 0x1102000
+#define W_NET_ENTRY_REG_FAIL 0x1103000
+#define W_NET_ENTRY_DSX_FAIL 0x1104000
+
+/* Scan Type */
+#define W_SCAN_ALL_CHANNEL 0
+#define W_SCAN_ALL_SUBSCRIPTION 1
+#define W_SCAN_SPECIFIED_SUBSCRIPTION 2
+
+/*
+ * TLV
+ *
+ * [31:31] indicates the type is composite.
+ * [30:16] is the length of the type. 0 length means length is variable.
+ * [15:0] is the actual type.
+ *
+ */
+#define TLV_L(x) (((x) >> 16) & 0xff)
+#define TLV_T(x) ((x) & 0xff)
+#define TLV_COMPOSITE(x) ((x) >> 31)
+
+/* GENERAL */
+#define T_MAC_ADDRESS (0x00 | (6 << 16))
+#define T_BSID (0x01 | (6 << 16))
+#define T_MSK (0x02 | (64 << 16))
+#define T_RSSI_THRSHLD (0x03 | (1 << 16))
+#define T_FREQUENCY (0x04 | (4 << 16))
+#define T_CONN_CS_TYPE (0x05 | (1 << 16))
+#define T_HOST_IP_VER (0x06 | (1 << 16))
+#define T_STBY_SCAN_INTERVAL (0x07 | (4 << 16))
+#define T_OOZ_SCAN_INTERVAL (0x08 | (4 << 16))
+#define T_IMEI (0x09 | (8 << 16))
+#define T_PID (0x0a | (12 << 16))
+
+#define T_CAPABILITY (0x1a | (4 << 16))
+#define T_RELEASE_NUMBER (0x1b | (4 << 16))
+#define T_DRIVER_REVISION (0x1c | (4 << 16))
+#define T_FW_REVISION (0x1d | (4 << 16))
+#define T_MAC_HW_REVISION (0x1e | (4 << 16))
+#define T_PHY_HW_REVISION (0x1f | (4 << 16))
+
+/* HANDOVER */
+#define T_SCAN_INTERVAL (0x20 | (1 << 16))
+
+#define T_RSC_RETAIN_TIME (0x2f | (2 << 16))
+
+/* SLEEP */
+#define T_TYPE1_ISW (0x40 | (1 << 16))
+
+#define T_SLP_START_TO (0x4a | (2 << 16))
+
+/* IDLE */
+#define T_IDLE_MODE_TO (0x50 | (2 << 16))
+
+#define T_IDLE_START_TO (0x54 | (2 << 16))
+
+/* MONITOR */
+#define T_RSSI (0x60 | (1 << 16))
+#define T_CINR (0x61 | (1 << 16))
+#define T_TX_POWER (0x6a | (1 << 16))
+#define T_CUR_FREQ (0x7f | (4 << 16))
+
+
+/* WIMAX */
+#define T_MAX_SUBSCRIPTION (0xa1 | (1 << 16))
+#define T_MAX_SF (0xa2 | (1 << 16))
+#define T_PHY_TYPE (0xa3 | (1 << 16))
+#define T_PKM (0xa4 | (1 << 16))
+#define T_AUTH_POLICY (0xa5 | (1 << 16))
+#define T_CS_TYPE (0xa6 | (2 << 16))
+#define T_VENDOR_NAME (0xa7 | (0 << 16))
+#define T_MOD_NAME (0xa8 | (0 << 16))
+#define T_PACKET_FILTER (0xa9 | (1 << 16))
+#define T_NSP_CHANGE_COUNT (0xaa | (4 << 16))
+#define T_RADIO_STATE (0xab | (1 << 16))
+#define T_URI_CONTACT_TYPE (0xac | (1 << 16))
+#define T_URI_TEXT (0xad | (0 << 16))
+#define T_URI (0xae | (0 << 16))
+#define T_ENABLE_AUTH (0xaf | (1 << 16))
+#define T_TIMEOUT (0xb0 | (2 << 16))
+#define T_RUN_MODE (0xb1 | (1 << 16))
+#define T_OMADMT_VER (0xb2 | (4 << 16))
+/* This is measured in seconds from 00:00:00 GMT January 1, 1970. */
+#define T_RTC_TIME (0xb3 | (4 << 16))
+#define T_CERT_STATUS (0xb4 | (4 << 16))
+#define T_CERT_MASK (0xb5 | (4 << 16))
+#define T_EMSK (0xb6 | (64 << 16))
+
+/* Subscription TLV */
+#define T_SUBSCRIPTION_LIST (0xd1 | (0 << 16) | (1 << 31))
+#define T_H_NSPID (0xd2 | (3 << 16))
+#define T_NSP_NAME (0xd3 | (0 << 16))
+#define T_SUBSCRIPTION_NAME (0xd4 | (0 << 16))
+#define T_SUBSCRIPTION_FLAG (0xd5 | (2 << 16))
+#define T_V_NSPID (0xd6 | (3 << 16))
+#define T_NAP_ID (0xd7 | (3 << 16))
+#define T_PREAMBLES (0xd8 | (15 << 16))
+#define T_BW (0xd9 | (4 << 16))
+#define T_FFTSIZE (0xda | (4 << 16))
+#define T_DUPLEX_MODE (0xdb | (4 << 16))
+
+struct hci_s {
+ unsigned short cmd_evt;
+ unsigned short length;
+ unsigned char data[0];
+} __packed;
+
+#endif
diff --git a/drivers/staging/gdm72xx/netlink_k.c b/drivers/staging/gdm72xx/netlink_k.c
new file mode 100644
index 0000000..292af0f
--- /dev/null
+++ b/drivers/staging/gdm72xx/netlink_k.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/etherdevice.h>
+#include <linux/netlink.h>
+#include <asm/byteorder.h>
+#include <net/sock.h>
+
+#if !defined(NLMSG_HDRLEN)
+#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
+#endif
+
+#define ND_MAX_GROUP 30
+#define ND_IFINDEX_LEN sizeof(int)
+#define ND_NLMSG_SPACE(len) (NLMSG_SPACE(len) + ND_IFINDEX_LEN)
+#define ND_NLMSG_DATA(nlh) \
+ ((void *)((char *)NLMSG_DATA(nlh) + ND_IFINDEX_LEN))
+#define ND_NLMSG_S_LEN(len) (len+ND_IFINDEX_LEN)
+#define ND_NLMSG_R_LEN(nlh) (nlh->nlmsg_len-ND_IFINDEX_LEN)
+#define ND_NLMSG_IFIDX(nlh) NLMSG_DATA(nlh)
+#define ND_MAX_MSG_LEN 8096
+
+#if defined(DEFINE_MUTEX)
+static DEFINE_MUTEX(netlink_mutex);
+#else
+static struct semaphore netlink_mutex;
+#define mutex_lock(x) down(x)
+#define mutex_unlock(x) up(x)
+#endif
+
+static void (*rcv_cb)(struct net_device *dev, u16 type, void *msg, int len);
+
+static void netlink_rcv_cb(struct sk_buff *skb)
+{
+ struct nlmsghdr *nlh;
+ struct net_device *dev;
+ u32 mlen;
+ void *msg;
+ int ifindex;
+
+ if (skb->len >= NLMSG_SPACE(0)) {
+ nlh = (struct nlmsghdr *)skb->data;
+
+ if (skb->len < nlh->nlmsg_len ||
+ nlh->nlmsg_len > ND_MAX_MSG_LEN) {
+ printk(KERN_ERR "Invalid length (%d,%d)\n", skb->len,
+ nlh->nlmsg_len);
+ return;
+ }
+
+ memcpy(&ifindex, ND_NLMSG_IFIDX(nlh), ND_IFINDEX_LEN);
+ msg = ND_NLMSG_DATA(nlh);
+ mlen = ND_NLMSG_R_LEN(nlh);
+
+ if (rcv_cb) {
+ dev = dev_get_by_index(&init_net, ifindex);
+ if (dev) {
+ rcv_cb(dev, nlh->nlmsg_type, msg, mlen);
+ dev_put(dev);
+ } else
+ printk(KERN_ERR "dev_get_by_index(%d) "
+ "is not found.\n", ifindex);
+ } else
+ printk(KERN_ERR "Unregistered Callback\n");
+ }
+}
+
+static void netlink_rcv(struct sk_buff *skb)
+{
+ mutex_lock(&netlink_mutex);
+ netlink_rcv_cb(skb);
+ mutex_unlock(&netlink_mutex);
+}
+
+struct sock *netlink_init(int unit, void (*cb)(struct net_device *dev, u16 type,
+ void *msg, int len))
+{
+ struct sock *sock;
+
+#if !defined(DEFINE_MUTEX)
+ init_MUTEX(&netlink_mutex);
+#endif
+
+ sock = netlink_kernel_create(&init_net, unit, 0, netlink_rcv, NULL,
+ THIS_MODULE);
+
+ if (sock)
+ rcv_cb = cb;
+
+ return sock;
+}
+
+void netlink_exit(struct sock *sock)
+{
+ sock_release(sock->sk_socket);
+}
+
+int netlink_send(struct sock *sock, int group, u16 type, void *msg, int len)
+{
+ static u32 seq;
+ struct sk_buff *skb = NULL;
+ struct nlmsghdr *nlh;
+ int ret = 0;
+
+ if (group > ND_MAX_GROUP) {
+ printk(KERN_ERR "Group %d is invalied.\n", group);
+ printk(KERN_ERR "Valid group is 0 ~ %d.\n", ND_MAX_GROUP);
+ return -EINVAL;
+ }
+
+ skb = alloc_skb(NLMSG_SPACE(len), GFP_ATOMIC);
+ if (!skb) {
+ printk(KERN_ERR "netlink_broadcast ret=%d\n", ret);
+ return -ENOMEM;
+ }
+
+ seq++;
+ nlh = NLMSG_PUT(skb, 0, seq, type, len);
+ memcpy(NLMSG_DATA(nlh), msg, len);
+
+ NETLINK_CB(skb).pid = 0;
+ NETLINK_CB(skb).dst_group = 0;
+
+ ret = netlink_broadcast(sock, skb, 0, group+1, GFP_ATOMIC);
+
+ if (!ret)
+ return len;
+ else {
+ if (ret != -ESRCH) {
+ printk(KERN_ERR "netlink_broadcast g=%d, t=%d, l=%d, r=%d\n",
+ group, type, len, ret);
+ }
+ ret = 0;
+ }
+
+nlmsg_failure:
+ return ret;
+}
diff --git a/drivers/staging/gdm72xx/netlink_k.h b/drivers/staging/gdm72xx/netlink_k.h
new file mode 100644
index 0000000..1dffaa6
--- /dev/null
+++ b/drivers/staging/gdm72xx/netlink_k.h
@@ -0,0 +1,24 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#if !defined(NETLINK_H_20081202)
+#define NETLINK_H_20081202
+#include <linux/netdevice.h>
+#include <net/sock.h>
+
+struct sock *netlink_init(int unit,
+ void (*cb)(struct net_device *dev, u16 type, void *msg, int len));
+void netlink_exit(struct sock *sock);
+int netlink_send(struct sock *sock, int group, u16 type, void *msg, int len);
+
+#endif
diff --git a/drivers/staging/gdm72xx/sdio_boot.c b/drivers/staging/gdm72xx/sdio_boot.c
new file mode 100644
index 0000000..6ff4dc3
--- /dev/null
+++ b/drivers/staging/gdm72xx/sdio_boot.c
@@ -0,0 +1,159 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/uaccess.h>
+#include <linux/fs.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include <linux/mmc/core.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/sdio_func.h>
+
+#include "gdm_sdio.h"
+
+#define TYPE_A_HEADER_SIZE 4
+#define TYPE_A_LOOKAHEAD_SIZE 16
+#define YMEM0_SIZE 0x8000 /* 32kbytes */
+#define DOWNLOAD_SIZE (YMEM0_SIZE - TYPE_A_HEADER_SIZE)
+
+#define KRN_PATH "/lib/firmware/gdm72xx/gdmskrn.bin"
+#define RFS_PATH "/lib/firmware/gdm72xx/gdmsrfs.bin"
+
+static u8 *tx_buf;
+
+static int ack_ready(struct sdio_func *func)
+{
+ unsigned long start = jiffies;
+ u8 val;
+ int ret;
+
+ while ((jiffies - start) < HZ) {
+ val = sdio_readb(func, 0x13, &ret);
+ if (val & 0x01)
+ return 1;
+ schedule();
+ }
+
+ return 0;
+}
+
+static int download_image(struct sdio_func *func, char *img_name)
+{
+ int ret = 0, len, size, pno;
+ struct file *filp = NULL;
+ struct inode *inode = NULL;
+ u8 *buf = tx_buf;
+ loff_t pos = 0;
+
+ filp = filp_open(img_name, O_RDONLY | O_LARGEFILE, 0);
+ if (IS_ERR(filp)) {
+ printk(KERN_ERR "Can't find %s.\n", img_name);
+ return -ENOENT;
+ }
+
+ if (filp->f_dentry)
+ inode = filp->f_dentry->d_inode;
+ if (!inode || !S_ISREG(inode->i_mode)) {
+ printk(KERN_ERR "Invalid file type: %s\n", img_name);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ size = i_size_read(inode->i_mapping->host);
+ if (size <= 0) {
+ printk(KERN_ERR "Unable to find file size: %s\n", img_name);
+ ret = size;
+ goto out;
+ }
+
+ pno = 0;
+ while ((len = filp->f_op->read(filp, buf + TYPE_A_HEADER_SIZE,
+ DOWNLOAD_SIZE, &pos))) {
+ if (len < 0) {
+ ret = -1;
+ goto out;
+ }
+
+ buf[0] = len & 0xff;
+ buf[1] = (len >> 8) & 0xff;
+ buf[2] = (len >> 16) & 0xff;
+
+ if (pos >= size) /* The last packet */
+ buf[3] = 2;
+ else
+ buf[3] = 0;
+
+ ret = sdio_memcpy_toio(func, 0, buf, len + TYPE_A_HEADER_SIZE);
+ if (ret < 0) {
+ printk(KERN_ERR "gdmwm: send image error: "
+ "packet number = %d ret = %d\n", pno, ret);
+ goto out;
+ }
+ if (buf[3] == 2) /* The last packet */
+ break;
+ if (!ack_ready(func)) {
+ ret = -EIO;
+ printk(KERN_ERR "gdmwm: Ack is not ready.\n");
+ goto out;
+ }
+ ret = sdio_memcpy_fromio(func, buf, 0, TYPE_A_LOOKAHEAD_SIZE);
+ if (ret < 0) {
+ printk(KERN_ERR "gdmwm: receive ack error: "
+ "packet number = %d ret = %d\n", pno, ret);
+ goto out;
+ }
+ sdio_writeb(func, 0x01, 0x13, &ret);
+ sdio_writeb(func, 0x00, 0x10, &ret); /* PCRRT */
+
+ pno++;
+ }
+out:
+ filp_close(filp, current->files);
+ return ret;
+}
+
+int sdio_boot(struct sdio_func *func)
+{
+ static mm_segment_t fs;
+ int ret;
+
+ tx_buf = kmalloc(YMEM0_SIZE, GFP_KERNEL);
+ if (tx_buf == NULL) {
+ printk(KERN_ERR "Error: kmalloc: %s %d\n", __func__, __LINE__);
+ return -ENOMEM;
+ }
+
+ fs = get_fs();
+ set_fs(get_ds());
+
+ ret = download_image(func, KRN_PATH);
+ if (ret)
+ goto restore_fs;
+ printk(KERN_INFO "GCT: Kernel download success.\n");
+
+ ret = download_image(func, RFS_PATH);
+ if (ret)
+ goto restore_fs;
+ printk(KERN_INFO "GCT: Filesystem download success.\n");
+
+restore_fs:
+ set_fs(fs);
+ kfree(tx_buf);
+ return ret;
+}
diff --git a/drivers/staging/gdm72xx/sdio_boot.h b/drivers/staging/gdm72xx/sdio_boot.h
new file mode 100644
index 0000000..373ac28
--- /dev/null
+++ b/drivers/staging/gdm72xx/sdio_boot.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __SDIO_BOOT_H__
+#define __SDIO_BOOT_H__
+
+struct sdio_func;
+
+extern int sdio_boot(struct sdio_func *func);
+
+#endif /* __SDIO_BOOT_H__ */
diff --git a/drivers/staging/gdm72xx/usb_boot.c b/drivers/staging/gdm72xx/usb_boot.c
new file mode 100644
index 0000000..5a0e030
--- /dev/null
+++ b/drivers/staging/gdm72xx/usb_boot.c
@@ -0,0 +1,404 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/uaccess.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include <linux/kernel.h>
+#include <linux/mm.h>
+#include <linux/usb.h>
+#include <linux/unistd.h>
+#include <linux/slab.h>
+
+#include <asm/byteorder.h>
+#include "gdm_usb.h"
+#include "usb_boot.h"
+
+#define DN_KERNEL_MAGIC_NUMBER 0x10760001
+#define DN_ROOTFS_MAGIC_NUMBER 0x10760002
+
+#define DOWNLOAD_SIZE 1024
+
+#define DH2B(x) __cpu_to_be32(x)
+#define DL2H(x) __le32_to_cpu(x)
+
+#define MIN(a, b) ((a) > (b) ? (b) : (a))
+
+#define MAX_IMG_CNT 16
+#define UIMG_PATH "/lib/firmware/gdm72xx/gdmuimg.bin"
+#define KERN_PATH "/lib/firmware/gdm72xx/zImage"
+#define FS_PATH "/lib/firmware/gdm72xx/ramdisk.jffs2"
+
+struct dn_header {
+ u32 magic_num;
+ u32 file_size;
+};
+
+struct img_header {
+ u32 magic_code;
+ u32 count;
+ u32 len;
+ u32 offset[MAX_IMG_CNT];
+ char hostname[32];
+ char date[32];
+};
+
+struct fw_info {
+ u32 id;
+ u32 len;
+ u32 kernel_len;
+ u32 rootfs_len;
+ u32 kernel_offset;
+ u32 rootfs_offset;
+ u32 fw_ver;
+ u32 mac_ver;
+ char hostname[32];
+ char userid[16];
+ char date[32];
+ char user_desc[128];
+};
+
+static void array_le32_to_cpu(u32 *arr, int num)
+{
+ int i;
+ for (i = 0; i < num; i++, arr++)
+ *arr = DL2H(*arr);
+}
+
+static u8 *tx_buf;
+
+static int gdm_wibro_send(struct usb_device *usbdev, void *data, int len)
+{
+ int ret;
+ int actual;
+
+ ret = usb_bulk_msg(usbdev, usb_sndbulkpipe(usbdev, 1), data, len,
+ &actual, 1000);
+
+ if (ret < 0) {
+ printk(KERN_ERR "Error : usb_bulk_msg ( result = %d )\n", ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int gdm_wibro_recv(struct usb_device *usbdev, void *data, int len)
+{
+ int ret;
+ int actual;
+
+ ret = usb_bulk_msg(usbdev, usb_rcvbulkpipe(usbdev, 2), data, len,
+ &actual, 5000);
+
+ if (ret < 0) {
+ printk(KERN_ERR "Error : usb_bulk_msg(recv) ( result = %d )\n",
+ ret);
+ return ret;
+ }
+ return 0;
+}
+
+static int download_image(struct usb_device *usbdev, struct file *filp,
+ loff_t *pos, u32 img_len, u32 magic_num)
+{
+ struct dn_header h;
+ int ret = 0;
+ u32 size;
+ int len, readn;
+
+ size = (img_len + DOWNLOAD_SIZE - 1) & ~(DOWNLOAD_SIZE - 1);
+ h.magic_num = DH2B(magic_num);
+ h.file_size = DH2B(size);
+
+ ret = gdm_wibro_send(usbdev, &h, sizeof(h));
+ if (ret < 0)
+ goto out;
+
+ readn = 0;
+ while ((len = filp->f_op->read(filp, tx_buf, DOWNLOAD_SIZE, pos))) {
+
+ if (len < 0) {
+ ret = -1;
+ goto out;
+ }
+ readn += len;
+
+ ret = gdm_wibro_send(usbdev, tx_buf, DOWNLOAD_SIZE);
+ if (ret < 0)
+ goto out;
+ if (readn >= img_len)
+ break;
+ }
+
+ if (readn < img_len) {
+ printk(KERN_ERR "gdmwm: Cannot read to the requested size. "
+ "Read = %d Requested = %d\n", readn, img_len);
+ ret = -EIO;
+ }
+out:
+
+ return ret;
+}
+
+int usb_boot(struct usb_device *usbdev, u16 pid)
+{
+ int i, ret = 0;
+ struct file *filp = NULL;
+ struct inode *inode = NULL;
+ static mm_segment_t fs;
+ struct img_header hdr;
+ struct fw_info fw_info;
+ loff_t pos = 0;
+ char *img_name = UIMG_PATH;
+ int len;
+
+ tx_buf = kmalloc(DOWNLOAD_SIZE, GFP_KERNEL);
+ if (tx_buf == NULL) {
+ printk(KERN_ERR "Error: kmalloc\n");
+ return -ENOMEM;
+ }
+
+ fs = get_fs();
+ set_fs(get_ds());
+
+ filp = filp_open(img_name, O_RDONLY | O_LARGEFILE, 0);
+ if (IS_ERR(filp)) {
+ printk(KERN_ERR "Can't find %s.\n", img_name);
+ set_fs(fs);
+ ret = -ENOENT;
+ goto restore_fs;
+ }
+
+ if (filp->f_dentry)
+ inode = filp->f_dentry->d_inode;
+ if (!inode || !S_ISREG(inode->i_mode)) {
+ printk(KERN_ERR "Invalid file type: %s\n", img_name);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ len = filp->f_op->read(filp, (u8 *)&hdr, sizeof(hdr), &pos);
+ if (len != sizeof(hdr)) {
+ printk(KERN_ERR "gdmwm: Cannot read the image info.\n");
+ ret = -EIO;
+ goto out;
+ }
+
+ array_le32_to_cpu((u32 *)&hdr, 19);
+#if 0
+ if (hdr.magic_code != 0x10767fff) {
+ printk(KERN_ERR "gdmwm: Invalid magic code 0x%08x\n",
+ hdr.magic_code);
+ ret = -EINVAL;
+ goto out;
+ }
+#endif
+ if (hdr.count > MAX_IMG_CNT) {
+ printk(KERN_ERR "gdmwm: Too many images. %d\n", hdr.count);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ for (i = 0; i < hdr.count; i++) {
+ if (hdr.offset[i] > hdr.len) {
+ printk(KERN_ERR "gdmwm: Invalid offset. "
+ "Entry = %d Offset = 0x%08x "
+ "Image length = 0x%08x\n",
+ i, hdr.offset[i], hdr.len);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ pos = hdr.offset[i];
+ len = filp->f_op->read(filp, (u8 *)&fw_info, sizeof(fw_info),
+ &pos);
+ if (len != sizeof(fw_info)) {
+ printk(KERN_ERR "gdmwm: Cannot read the FW info.\n");
+ ret = -EIO;
+ goto out;
+ }
+
+ array_le32_to_cpu((u32 *)&fw_info, 8);
+#if 0
+ if ((fw_info.id & 0xfffff000) != 0x10767000) {
+ printk(KERN_ERR "gdmwm: Invalid FW id. 0x%08x\n",
+ fw_info.id);
+ ret = -EIO;
+ goto out;
+ }
+#endif
+
+ if ((fw_info.id & 0xffff) != pid)
+ continue;
+
+ pos = hdr.offset[i] + fw_info.kernel_offset;
+ ret = download_image(usbdev, filp, &pos, fw_info.kernel_len,
+ DN_KERNEL_MAGIC_NUMBER);
+ if (ret < 0)
+ goto out;
+ printk(KERN_INFO "GCT: Kernel download success.\n");
+
+ pos = hdr.offset[i] + fw_info.rootfs_offset;
+ ret = download_image(usbdev, filp, &pos, fw_info.rootfs_len,
+ DN_ROOTFS_MAGIC_NUMBER);
+ if (ret < 0)
+ goto out;
+ printk(KERN_INFO "GCT: Filesystem download success.\n");
+
+ break;
+ }
+
+ if (i == hdr.count) {
+ printk(KERN_ERR "Firmware for gsk%x is not installed.\n", pid);
+ ret = -EINVAL;
+ }
+out:
+ filp_close(filp, current->files);
+
+restore_fs:
+ set_fs(fs);
+ kfree(tx_buf);
+ return ret;
+}
+
+/*#define GDM7205_PADDING 256 */
+#define DOWNLOAD_CHUCK 2048
+#define KERNEL_TYPE_STRING "linux"
+#define FS_TYPE_STRING "rootfs"
+
+static int em_wait_ack(struct usb_device *usbdev, int send_zlp)
+{
+ int ack;
+ int ret = -1;
+
+ if (send_zlp) {
+ /*Send ZLP*/
+ ret = gdm_wibro_send(usbdev, NULL, 0);
+ if (ret < 0)
+ goto out;
+ }
+
+ /*Wait for ACK*/
+ ret = gdm_wibro_recv(usbdev, &ack, sizeof(ack));
+ if (ret < 0)
+ goto out;
+out:
+ return ret;
+}
+
+static int em_download_image(struct usb_device *usbdev, char *path,
+ char *type_string)
+{
+ struct file *filp;
+ struct inode *inode;
+ static mm_segment_t fs;
+ char *buf = NULL;
+ loff_t pos = 0;
+ int ret = 0;
+ int len, readn = 0;
+ #if defined(GDM7205_PADDING)
+ const int pad_size = GDM7205_PADDING;
+ #else
+ const int pad_size = 0;
+ #endif
+
+ fs = get_fs();
+ set_fs(get_ds());
+
+ filp = filp_open(path, O_RDONLY | O_LARGEFILE, 0);
+ if (IS_ERR(filp)) {
+ printk(KERN_ERR "Can't find %s.\n", path);
+ set_fs(fs);
+ ret = -ENOENT;
+ goto restore_fs;
+ }
+
+ if (filp->f_dentry) {
+ inode = filp->f_dentry->d_inode;
+ if (!inode || !S_ISREG(inode->i_mode)) {
+ printk(KERN_ERR "Invalid file type: %s\n", path);
+ ret = -EINVAL;
+ goto out;
+ }
+ }
+
+ buf = kmalloc(DOWNLOAD_CHUCK + pad_size, GFP_KERNEL);
+ if (buf == NULL) {
+ printk(KERN_ERR "Error: kmalloc\n");
+ return -ENOMEM;
+ }
+
+ strcpy(buf+pad_size, type_string);
+ ret = gdm_wibro_send(usbdev, buf, strlen(type_string)+pad_size);
+ if (ret < 0)
+ goto out;
+
+ while ((len = filp->f_op->read(filp, buf+pad_size, DOWNLOAD_CHUCK,
+ &pos))) {
+ if (len < 0) {
+ ret = -1;
+ goto out;
+ }
+ readn += len;
+
+ ret = gdm_wibro_send(usbdev, buf, len+pad_size);
+ if (ret < 0)
+ goto out;
+
+ ret = em_wait_ack(usbdev, ((len+pad_size) % 512 == 0));
+ if (ret < 0)
+ goto out;
+ }
+
+ ret = em_wait_ack(usbdev, 1);
+ if (ret < 0)
+ goto out;
+
+out:
+ filp_close(filp, current->files);
+
+restore_fs:
+ set_fs(fs);
+
+ kfree(buf);
+
+ return ret;
+}
+
+static int em_fw_reset(struct usb_device *usbdev)
+{
+ int ret;
+
+ /*Send ZLP*/
+ ret = gdm_wibro_send(usbdev, NULL, 0);
+ return ret;
+}
+
+int usb_emergency(struct usb_device *usbdev)
+{
+ int ret;
+
+ ret = em_download_image(usbdev, KERN_PATH, KERNEL_TYPE_STRING);
+ if (ret < 0)
+ goto out;
+ printk(KERN_INFO "GCT Emergency: Kernel download success.\n");
+
+ ret = em_download_image(usbdev, FS_PATH, FS_TYPE_STRING);
+ if (ret < 0)
+ goto out;
+ printk(KERN_INFO "GCT Emergency: Filesystem download success.\n");
+
+ ret = em_fw_reset(usbdev);
+out:
+ return ret;
+}
diff --git a/drivers/staging/gdm72xx/usb_boot.h b/drivers/staging/gdm72xx/usb_boot.h
new file mode 100644
index 0000000..c715cd3
--- /dev/null
+++ b/drivers/staging/gdm72xx/usb_boot.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __USB_BOOT_H__
+#define __USB_BOOT_H__
+
+struct usb_device;
+
+extern int usb_boot(struct usb_device *usbdev, u16 pid);
+extern int usb_emergency(struct usb_device *usbdev);
+
+#endif /* __USB_BOOT_H__ */
diff --git a/drivers/staging/gdm72xx/usb_ids.h b/drivers/staging/gdm72xx/usb_ids.h
new file mode 100644
index 0000000..b34616b
--- /dev/null
+++ b/drivers/staging/gdm72xx/usb_ids.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __USB_IDS_H__
+#define __USB_IDS_H__
+
+/*You can replace vendor-ID as yours.*/
+#define GCT_VID 0x1076
+
+/*You can replace product-ID as yours.*/
+#define GCT_PID1 0x7e00
+#define GCT_PID2 0x7f00
+
+#define USB_DEVICE_ID_MATCH_DEVICE_INTERFACE \
+ (USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_CLASS)
+
+#define USB_DEVICE_INTF(vend, prod, intf) \
+ .match_flags = USB_DEVICE_ID_MATCH_DEVICE_INTERFACE, \
+ .idVendor = (vend), .idProduct = (prod), .bInterfaceClass = (intf)
+
+#define EMERGENCY_PID 0x720f
+#define BL_PID_MASK 0xffc0
+
+#define USB_DEVICE_BOOTLOADER(vid, pid) \
+ {USB_DEVICE((vid), ((pid)&BL_PID_MASK)|B_DOWNLOAD)}, \
+ {USB_DEVICE((vid), ((pid)&BL_PID_MASK)|B_DOWNLOAD|B_DIFF_DL_DRV)}
+
+#define USB_DEVICE_CDC_DATA(vid, pid) \
+ {USB_DEVICE_INTF((vid), (pid), USB_CLASS_CDC_DATA)}
+
+static const struct usb_device_id id_table[] = {
+ USB_DEVICE_BOOTLOADER(GCT_VID, GCT_PID1),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x1),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x2),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x3),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x4),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x5),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x6),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x7),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x8),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0x9),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xa),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xb),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xc),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xd),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xe),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID1+0xf),
+
+ USB_DEVICE_BOOTLOADER(GCT_VID, GCT_PID2),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x1),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x2),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x3),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x4),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x5),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x6),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x7),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x8),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0x9),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xa),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xb),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xc),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xd),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xe),
+ USB_DEVICE_CDC_DATA(GCT_VID, GCT_PID2+0xf),
+
+ {USB_DEVICE(GCT_VID, EMERGENCY_PID)},
+ { }
+};
+
+#endif /* __USB_IDS_H__ */
diff --git a/drivers/staging/gdm72xx/wm_ioctl.h b/drivers/staging/gdm72xx/wm_ioctl.h
new file mode 100644
index 0000000..9f46e06
--- /dev/null
+++ b/drivers/staging/gdm72xx/wm_ioctl.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#if !defined(WM_IOCTL_H_20080714)
+#define WM_IOCTL_H_20080714
+#if !defined(__KERNEL__)
+#include <net/if.h>
+#endif
+
+#define NETLINK_WIMAX 31
+
+#define SIOCWMIOCTL SIOCDEVPRIVATE
+
+#define SIOCG_DATA 0x8D10
+#define SIOCS_DATA 0x8D11
+
+enum {
+ SIOC_DATA_FSM,
+ SIOC_DATA_NETLIST,
+ SIOC_DATA_CONNNSP,
+ SIOC_DATA_CONNCOMP,
+ SIOC_DATA_PROFILEID,
+
+ SIOC_DATA_END
+};
+
+#define SIOC_DATA_MAX 16
+
+/* FSM */
+enum {
+ M_INIT = 0,
+ M_OPEN_OFF,
+ M_OPEN_ON,
+ M_SCAN,
+ M_CONNECTING,
+ M_CONNECTED,
+ M_FSM_END,
+
+ C_INIT = 0,
+ C_CONNSTART,
+ C_ASSOCSTART,
+ C_RNG,
+ C_SBC,
+ C_AUTH,
+ C_REG,
+ C_DSX,
+ C_ASSOCCOMPLETE,
+ C_CONNCOMPLETE,
+ C_FSM_END,
+
+ D_INIT = 0,
+ D_READY,
+ D_LISTEN,
+ D_IPACQUISITION,
+
+ END_FSM
+};
+
+struct fsm_s {
+ int m_status; /*main status*/
+ int c_status; /*connection status*/
+ int d_status; /*oma-dm status*/
+};
+
+struct data_s {
+ int size;
+ void *buf;
+};
+
+struct wm_req_s {
+ union {
+ char ifrn_name[IFNAMSIZ];
+ } ifr_ifrn;
+
+ unsigned short cmd;
+
+ unsigned short data_id;
+ struct data_s data;
+
+/* NOTE: sizeof(struct wm_req_s) must be less than sizeof(struct ifreq). */
+};
+
+#ifndef ifr_name
+#define ifr_name ifr_ifrn.ifrn_name
+#endif
+
+#endif
--
1.7.7.3

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Vinod Koul: "Re: [PATCH 1/9 v3] dmaengine: add an shdma-base library"
Previous message: Hugh Dickins: "Re: [PATCH 1/10] shmem: replace page if mapping excludes its zone"
Next in thread: Greg Kroah-Hartman: "Re: [PATCH v2] staging: gdm72xx: Add GCT GDM72xx WiMAX driver."
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]