#define LOCK(wl) spin_lock_bh(&(wl)->lock)
#define UNLOCK(wl) spin_unlock_bh(&(wl)->lock)
+#define HW_TO_WL(hw) (hw->priv)
+#define WL_TO_HW(wl) (wl->pub->ieee_hw)
+
/* locking from inside brcms_isr */
#define ISR_LOCK(wl, flags)\
do {\
#define INT_LOCK(wl, flags) spin_lock_irqsave(&(wl)->isr_lock, flags)
#define INT_UNLOCK(wl, flags) spin_unlock_irqrestore(&(wl)->isr_lock, flags)
-static void brcms_timer(unsigned long data);
-static void _brcms_timer(struct brcms_timer *t);
-
-
-static int ieee_hw_init(struct ieee80211_hw *hw);
-static int ieee_hw_rate_init(struct ieee80211_hw *hw);
-
/* Flags we support */
#define MAC_FILTERS (FIF_PROMISC_IN_BSS | \
FIF_ALLMULTI | \
FIF_OTHER_BSS | \
FIF_BCN_PRBRESP_PROMISC)
-static int n_adapters_found;
+#define CHAN2GHZ(channel, freqency, chflags) { \
+ .band = IEEE80211_BAND_2GHZ, \
+ .center_freq = (freqency), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 19, \
+}
+
+#define CHAN5GHZ(channel, chflags) { \
+ .band = IEEE80211_BAND_5GHZ, \
+ .center_freq = 5000 + 5*(channel), \
+ .hw_value = (channel), \
+ .flags = chflags, \
+ .max_antenna_gain = 0, \
+ .max_power = 21, \
+}
-static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev);
-static void brcms_release_fw(struct brcms_info *wl);
+#define RATE(rate100m, _flags) { \
+ .bitrate = (rate100m), \
+ .flags = (_flags), \
+ .hw_value = (rate100m / 5), \
+}
+
+struct firmware_hdr {
+ u32 offset;
+ u32 len;
+ u32 idx;
+};
-/* local prototypes */
-static void brcms_dpc(unsigned long data);
-static irqreturn_t brcms_isr(int irq, void *dev_id);
+char *brcms_firmwares[MAX_FW_IMAGES] = {
+ "brcm/bcm43xx",
+ NULL
+};
-static int __devinit brcms_pci_probe(struct pci_dev *pdev,
- const struct pci_device_id *ent);
-static void brcms_remove(struct pci_dev *pdev);
-static void brcms_free(struct brcms_info *wl);
-static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate,
- bool is_br);
+static int n_adapters_found;
MODULE_AUTHOR("Broadcom Corporation");
MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN driver.");
module_param(msglevel, int, 0);
#endif /* BCMDBG */
-#define HW_TO_WL(hw) (hw->priv)
-#define WL_TO_HW(wl) (wl->pub->ieee_hw)
+static struct ieee80211_channel brcms_2ghz_chantable[] = {
+ CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN2GHZ(5, 2432, 0),
+ CHAN2GHZ(6, 2437, 0),
+ CHAN2GHZ(7, 2442, 0),
+ CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(12, 2467,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(13, 2472,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN2GHZ(14, 2484,
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
+ /* UNII-1 */
+ CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
+ /* UNII-2 */
+ CHAN5GHZ(52,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(56,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(60,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(64,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ /* MID */
+ CHAN5GHZ(100,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(104,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(108,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(112,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(116,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(120,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(124,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(128,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(132,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(136,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(140,
+ IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
+ IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
+ IEEE80211_CHAN_NO_HT40MINUS),
+ /* UNII-3 */
+ CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
+ CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
+ CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
+};
+
+/*
+ * The rate table is used for both 2.4G and 5G rates. The
+ * latter being a subset as it does not support CCK rates.
+ */
+static struct ieee80211_rate legacy_ratetable[] = {
+ RATE(10, 0),
+ RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0),
+ RATE(90, 0),
+ RATE(120, 0),
+ RATE(180, 0),
+ RATE(240, 0),
+ RATE(360, 0),
+ RATE(480, 0),
+ RATE(540, 0),
+};
+
+static struct ieee80211_supported_band brcms_band_2GHz_nphy = {
+ .band = IEEE80211_BAND_2GHZ,
+ .channels = brcms_2ghz_chantable,
+ .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
+ .bitrates = legacy_ratetable,
+ .n_bitrates = ARRAY_SIZE(legacy_ratetable),
+ .ht_cap = {
+ /* from include/linux/ieee80211.h */
+ .cap = IEEE80211_HT_CAP_GRN_FLD |
+ IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+static struct ieee80211_supported_band brcms_band_5GHz_nphy = {
+ .band = IEEE80211_BAND_5GHZ,
+ .channels = brcms_5ghz_nphy_chantable,
+ .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
+ .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
+ .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
+ BRCMS_LEGACY_5G_RATE_OFFSET,
+ .ht_cap = {
+ .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
+ IEEE80211_HT_CAP_SGI_40 |
+ IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
+ .ht_supported = true,
+ .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
+ .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
+ .mcs = {
+ /* placeholders for now */
+ .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
+ .rx_highest = 500,
+ .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
+ }
+};
+
+/* flags the given rate in rateset as requested */
+static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
+{
+ u32 i;
+
+ for (i = 0; i < rs->count; i++) {
+ if (rate != (rs->rates[i] & 0x7f))
+ continue;
-/* MAC80211 callback functions */
-static int brcms_ops_start(struct ieee80211_hw *hw);
-static void brcms_ops_stop(struct ieee80211_hw *hw);
-static int brcms_ops_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-static void brcms_ops_remove_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif);
-static int brcms_ops_config(struct ieee80211_hw *hw, u32 changed);
-static void brcms_ops_bss_info_changed(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_bss_conf *info,
- u32 changed);
-static void brcms_ops_configure_filter(struct ieee80211_hw *hw,
- unsigned int changed_flags,
- unsigned int *total_flags, u64 multicast);
-static int brcms_ops_set_tim(struct ieee80211_hw *hw, struct ieee80211_sta *sta,
- bool set);
-static void brcms_ops_sw_scan_start(struct ieee80211_hw *hw);
-static void brcms_ops_sw_scan_complete(struct ieee80211_hw *hw);
-static void brcms_ops_set_tsf(struct ieee80211_hw *hw, u64 tsf);
-static int brcms_ops_get_stats(struct ieee80211_hw *hw,
- struct ieee80211_low_level_stats *stats);
-static void brcms_ops_sta_notify(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum sta_notify_cmd cmd,
- struct ieee80211_sta *sta);
-static int brcms_ops_conf_tx(struct ieee80211_hw *hw, u16 queue,
- const struct ieee80211_tx_queue_params *params);
-static u64 brcms_ops_get_tsf(struct ieee80211_hw *hw);
-static int brcms_ops_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-static int brcms_ops_sta_remove(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- struct ieee80211_sta *sta);
-static int brcms_ops_ampdu_action(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif,
- enum ieee80211_ampdu_mlme_action action,
- struct ieee80211_sta *sta, u16 tid, u16 *ssn,
- u8 buf_size);
-static void brcms_ops_rfkill_poll(struct ieee80211_hw *hw);
-static void brcms_ops_flush(struct ieee80211_hw *hw, bool drop);
+ if (is_br)
+ rs->rates[i] |= BRCMS_RATE_FLAG;
+ else
+ rs->rates[i] &= BRCMS_RATE_MASK;
+ return;
+ }
+}
static void brcms_ops_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
return regulatory_hint(wl->pub->ieee_hw->wiphy, abbrev);
}
-/**
- * attach to the WL device.
- *
- * Attach to the WL device identified by vendor and device parameters.
- * regs is a host accessible memory address pointing to WL device registers.
- *
- * brcms_attach is not defined as static because in the case where no bus
- * is defined, wl_attach will never be called, and thus, gcc will issue
- * a warning that this function is defined but not used if we declare
- * it as static.
- *
- *
- * is called in brcms_pci_probe() context, therefore no locking required.
- */
-static struct brcms_info *brcms_attach(u16 vendor, u16 device,
- resource_size_t regs,
- struct pci_dev *btparam, uint irq)
+static void brcms_dpc(unsigned long data)
{
- struct brcms_info *wl = NULL;
- int unit, err;
- struct ieee80211_hw *hw;
- u8 perm[ETH_ALEN];
+ struct brcms_info *wl;
- unit = n_adapters_found;
- err = 0;
+ wl = (struct brcms_info *) data;
- if (unit < 0)
- return NULL;
+ LOCK(wl);
- /* allocate private info */
- hw = pci_get_drvdata(btparam); /* btparam == pdev */
- if (hw != NULL)
- wl = hw->priv;
- if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
- return NULL;
- wl->wiphy = hw->wiphy;
+ /* call the common second level interrupt handler */
+ if (wl->pub->up) {
+ if (wl->resched) {
+ unsigned long flags;
- atomic_set(&wl->callbacks, 0);
+ INT_LOCK(wl, flags);
+ brcms_c_intrsupd(wl->wlc);
+ INT_UNLOCK(wl, flags);
+ }
- /* setup the bottom half handler */
- tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
+ wl->resched = brcms_c_dpc(wl->wlc, true);
+ }
- wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
- if (wl->regsva == NULL) {
- wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
- goto fail;
- }
- spin_lock_init(&wl->lock);
- spin_lock_init(&wl->isr_lock);
+ /* brcms_c_dpc() may bring the driver down */
+ if (!wl->pub->up)
+ goto done;
- /* prepare ucode */
- if (brcms_request_fw(wl, btparam) < 0) {
- wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
- "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
- brcms_release_fw(wl);
- brcms_remove(btparam);
- return NULL;
- }
+ /* re-schedule dpc */
+ if (wl->resched)
+ tasklet_schedule(&wl->tasklet);
+ else
+ /* re-enable interrupts */
+ brcms_intrson(wl);
- /* common load-time initialization */
- wl->wlc = brcms_c_attach(wl, vendor, device, unit, false,
- wl->regsva, btparam, &err);
- brcms_release_fw(wl);
- if (!wl->wlc) {
- wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
- KBUILD_MODNAME, err);
- goto fail;
- }
- wl->pub = brcms_c_pub(wl->wlc);
+ done:
+ UNLOCK(wl);
+}
- wl->pub->ieee_hw = hw;
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
+{
+ int status;
+ struct device *device = &pdev->dev;
+ char fw_name[100];
+ int i;
- if (brcms_c_set_par(wl->wlc, IOV_MPC, 0) < 0)
- wiphy_err(wl->wiphy, "wl%d: Error setting MPC variable to 0\n",
- unit);
+ memset(&wl->fw, 0, sizeof(struct brcms_firmware));
+ for (i = 0; i < MAX_FW_IMAGES; i++) {
+ if (brcms_firmwares[i] == NULL)
+ break;
+ sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
+ UCODE_LOADER_API_VER);
+ status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
+ if (status) {
+ wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ return status;
+ }
+ sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
+ UCODE_LOADER_API_VER);
+ status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
+ if (status) {
+ wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
+ KBUILD_MODNAME, fw_name);
+ return status;
+ }
+ wl->fw.hdr_num_entries[i] =
+ wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
+ }
+ wl->fw.fw_cnt = i;
+ return brcms_ucode_data_init(wl);
+}
- /* register our interrupt handler */
- if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
- wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
- goto fail;
+/*
+ * Precondition: Since this function is called in brcms_pci_probe() context,
+ * no locking is required.
+ */
+static void brcms_release_fw(struct brcms_info *wl)
+{
+ int i;
+ for (i = 0; i < MAX_FW_IMAGES; i++) {
+ release_firmware(wl->fw.fw_bin[i]);
+ release_firmware(wl->fw.fw_hdr[i]);
}
- wl->irq = irq;
+}
- /* register module */
- brcms_c_module_register(wl->pub, "linux", wl, NULL);
+/**
+ * This function frees the WL per-device resources.
+ *
+ * This function frees resources owned by the WL device pointed to
+ * by the wl parameter.
+ *
+ * precondition: can both be called locked and unlocked
+ *
+ */
+static void brcms_free(struct brcms_info *wl)
+{
+ struct brcms_timer *t, *next;
- if (ieee_hw_init(hw)) {
- wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
- __func__);
- goto fail;
- }
+ /* free ucode data */
+ if (wl->fw.fw_cnt)
+ brcms_ucode_data_free();
+ if (wl->irq)
+ free_irq(wl->irq, wl);
- memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
- if (WARN_ON(!is_valid_ether_addr(perm)))
- goto fail;
- SET_IEEE80211_PERM_ADDR(hw, perm);
+ /* kill dpc */
+ tasklet_kill(&wl->tasklet);
- err = ieee80211_register_hw(hw);
- if (err)
- wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
- "%d\n", __func__, err);
+ if (wl->pub)
+ brcms_c_module_unregister(wl->pub, "linux", wl);
- if (wl->pub->srom_ccode[0])
- err = brcms_set_hint(wl, wl->pub->srom_ccode);
- else
- err = brcms_set_hint(wl, "US");
- if (err)
- wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
- __func__, err);
+ /* free common resources */
+ if (wl->wlc) {
+ brcms_c_detach(wl->wlc);
+ wl->wlc = NULL;
+ wl->pub = NULL;
+ }
- n_adapters_found++;
- return wl;
+ /* virtual interface deletion is deferred so we cannot spinwait */
-fail:
- brcms_free(wl);
- return NULL;
-}
+ /* wait for all pending callbacks to complete */
+ while (atomic_read(&wl->callbacks) > 0)
+ schedule();
+ /* free timers */
+ for (t = wl->timers; t; t = next) {
+ next = t->next;
+#ifdef BCMDBG
+ kfree(t->name);
+#endif
+ kfree(t);
+ }
+ /*
+ * unregister_netdev() calls get_stats() which may read chip
+ * registers so we cannot unmap the chip registers until
+ * after calling unregister_netdev() .
+ */
+ if (wl->regsva)
+ iounmap((void *)wl->regsva);
-#define CHAN2GHZ(channel, freqency, chflags) { \
- .band = IEEE80211_BAND_2GHZ, \
- .center_freq = (freqency), \
- .hw_value = (channel), \
- .flags = chflags, \
- .max_antenna_gain = 0, \
- .max_power = 19, \
+ wl->regsva = NULL;
}
-static struct ieee80211_channel brcms_2ghz_chantable[] = {
- CHAN2GHZ(1, 2412, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(2, 2417, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(3, 2422, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(4, 2427, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN2GHZ(5, 2432, 0),
- CHAN2GHZ(6, 2437, 0),
- CHAN2GHZ(7, 2442, 0),
- CHAN2GHZ(8, 2447, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(9, 2452, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(10, 2457, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(11, 2462, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(12, 2467,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(13, 2472,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS),
- CHAN2GHZ(14, 2484,
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
-};
+/*
+* called from both kernel as from this kernel module.
+* precondition: perimeter lock is not acquired.
+*/
+static void brcms_remove(struct pci_dev *pdev)
+{
+ struct brcms_info *wl;
+ struct ieee80211_hw *hw;
+ int status;
-#define CHAN5GHZ(channel, chflags) { \
- .band = IEEE80211_BAND_5GHZ, \
- .center_freq = 5000 + 5*(channel), \
- .hw_value = (channel), \
- .flags = chflags, \
- .max_antenna_gain = 0, \
- .max_power = 21, \
-}
+ hw = pci_get_drvdata(pdev);
+ wl = HW_TO_WL(hw);
+ if (!wl) {
+ pr_err("wl: brcms_remove: pci_get_drvdata failed\n");
+ return;
+ }
-static struct ieee80211_channel brcms_5ghz_nphy_chantable[] = {
- /* UNII-1 */
- CHAN5GHZ(36, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(40, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(44, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(48, IEEE80211_CHAN_NO_HT40PLUS),
- /* UNII-2 */
- CHAN5GHZ(52,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(56,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(60,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(64,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- /* MID */
- CHAN5GHZ(100,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(104,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(108,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(112,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(116,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(120,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(124,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(128,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(132,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(136,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(140,
- IEEE80211_CHAN_RADAR | IEEE80211_CHAN_NO_IBSS |
- IEEE80211_CHAN_PASSIVE_SCAN | IEEE80211_CHAN_NO_HT40PLUS |
- IEEE80211_CHAN_NO_HT40MINUS),
- /* UNII-3 */
- CHAN5GHZ(149, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(153, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(157, IEEE80211_CHAN_NO_HT40MINUS),
- CHAN5GHZ(161, IEEE80211_CHAN_NO_HT40PLUS),
- CHAN5GHZ(165, IEEE80211_CHAN_NO_HT40PLUS | IEEE80211_CHAN_NO_HT40MINUS)
-};
+ LOCK(wl);
+ status = brcms_c_chipmatch(pdev->vendor, pdev->device);
+ UNLOCK(wl);
+ if (!status) {
+ wiphy_err(wl->wiphy, "wl: brcms_remove: chipmatch "
+ "failed\n");
+ return;
+ }
+ if (wl->wlc) {
+ wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
+ wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
+ ieee80211_unregister_hw(hw);
+ LOCK(wl);
+ brcms_down(wl);
+ UNLOCK(wl);
+ }
+ pci_disable_device(pdev);
-#define RATE(rate100m, _flags) { \
- .bitrate = (rate100m), \
- .flags = (_flags), \
- .hw_value = (rate100m / 5), \
+ brcms_free(wl);
+
+ pci_set_drvdata(pdev, NULL);
+ ieee80211_free_hw(hw);
}
-/*
- * The rate table is used for both 2.4G and 5G rates. The
- * latter being a subset as it does not support CCK rates.
- */
-static struct ieee80211_rate legacy_ratetable[] = {
- RATE(10, 0),
- RATE(20, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(55, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(110, IEEE80211_RATE_SHORT_PREAMBLE),
- RATE(60, 0),
- RATE(90, 0),
- RATE(120, 0),
- RATE(180, 0),
- RATE(240, 0),
- RATE(360, 0),
- RATE(480, 0),
- RATE(540, 0),
-};
+static irqreturn_t brcms_isr(int irq, void *dev_id)
+{
+ struct brcms_info *wl;
+ bool ours, wantdpc;
+ unsigned long flags;
-static struct ieee80211_supported_band brcms_band_2GHz_nphy = {
- .band = IEEE80211_BAND_2GHZ,
- .channels = brcms_2ghz_chantable,
- .n_channels = ARRAY_SIZE(brcms_2ghz_chantable),
- .bitrates = legacy_ratetable,
- .n_bitrates = ARRAY_SIZE(legacy_ratetable),
- .ht_cap = {
- /* from include/linux/ieee80211.h */
- .cap = IEEE80211_HT_CAP_GRN_FLD |
- IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_40MHZ_INTOLERANT,
- .ht_supported = true,
- .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
- .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
- .mcs = {
- /* placeholders for now */
- .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
- .rx_highest = 500,
- .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
- }
-};
+ wl = (struct brcms_info *) dev_id;
-static struct ieee80211_supported_band brcms_band_5GHz_nphy = {
- .band = IEEE80211_BAND_5GHZ,
- .channels = brcms_5ghz_nphy_chantable,
- .n_channels = ARRAY_SIZE(brcms_5ghz_nphy_chantable),
- .bitrates = legacy_ratetable + BRCMS_LEGACY_5G_RATE_OFFSET,
- .n_bitrates = ARRAY_SIZE(legacy_ratetable) -
- BRCMS_LEGACY_5G_RATE_OFFSET,
- .ht_cap = {
- .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 |
- IEEE80211_HT_CAP_SGI_40 |
- IEEE80211_HT_CAP_40MHZ_INTOLERANT, /* No 40 mhz yet */
- .ht_supported = true,
- .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K,
- .ampdu_density = AMPDU_DEF_MPDU_DENSITY,
- .mcs = {
- /* placeholders for now */
- .rx_mask = {0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0},
- .rx_highest = 500,
- .tx_params = IEEE80211_HT_MCS_TX_DEFINED}
- }
-};
+ ISR_LOCK(wl, flags);
+
+ /* call common first level interrupt handler */
+ ours = brcms_c_isr(wl->wlc, &wantdpc);
+ if (ours) {
+ /* if more to do... */
+ if (wantdpc) {
+
+ /* ...and call the second level interrupt handler */
+ /* schedule dpc */
+ tasklet_schedule(&wl->tasklet);
+ }
+ }
+
+ ISR_UNLOCK(wl, flags);
+
+ return IRQ_RETVAL(ours);
+}
/*
* is called in brcms_pci_probe() context, therefore no locking required.
return ieee_hw_rate_init(hw);
}
+/**
+ * attach to the WL device.
+ *
+ * Attach to the WL device identified by vendor and device parameters.
+ * regs is a host accessible memory address pointing to WL device registers.
+ *
+ * brcms_attach is not defined as static because in the case where no bus
+ * is defined, wl_attach will never be called, and thus, gcc will issue
+ * a warning that this function is defined but not used if we declare
+ * it as static.
+ *
+ *
+ * is called in brcms_pci_probe() context, therefore no locking required.
+ */
+static struct brcms_info *brcms_attach(u16 vendor, u16 device,
+ resource_size_t regs,
+ struct pci_dev *btparam, uint irq)
+{
+ struct brcms_info *wl = NULL;
+ int unit, err;
+ struct ieee80211_hw *hw;
+ u8 perm[ETH_ALEN];
+
+ unit = n_adapters_found;
+ err = 0;
+
+ if (unit < 0)
+ return NULL;
+
+ /* allocate private info */
+ hw = pci_get_drvdata(btparam); /* btparam == pdev */
+ if (hw != NULL)
+ wl = hw->priv;
+ if (WARN_ON(hw == NULL) || WARN_ON(wl == NULL))
+ return NULL;
+ wl->wiphy = hw->wiphy;
+
+ atomic_set(&wl->callbacks, 0);
+
+ /* setup the bottom half handler */
+ tasklet_init(&wl->tasklet, brcms_dpc, (unsigned long) wl);
+
+ wl->regsva = ioremap_nocache(regs, PCI_BAR0_WINSZ);
+ if (wl->regsva == NULL) {
+ wiphy_err(wl->wiphy, "wl%d: ioremap() failed\n", unit);
+ goto fail;
+ }
+ spin_lock_init(&wl->lock);
+ spin_lock_init(&wl->isr_lock);
+
+ /* prepare ucode */
+ if (brcms_request_fw(wl, btparam) < 0) {
+ wiphy_err(wl->wiphy, "%s: Failed to find firmware usually in "
+ "%s\n", KBUILD_MODNAME, "/lib/firmware/brcm");
+ brcms_release_fw(wl);
+ brcms_remove(btparam);
+ return NULL;
+ }
+
+ /* common load-time initialization */
+ wl->wlc = brcms_c_attach(wl, vendor, device, unit, false,
+ wl->regsva, btparam, &err);
+ brcms_release_fw(wl);
+ if (!wl->wlc) {
+ wiphy_err(wl->wiphy, "%s: attach() failed with code %d\n",
+ KBUILD_MODNAME, err);
+ goto fail;
+ }
+ wl->pub = brcms_c_pub(wl->wlc);
+
+ wl->pub->ieee_hw = hw;
+
+ if (brcms_c_set_par(wl->wlc, IOV_MPC, 0) < 0)
+ wiphy_err(wl->wiphy, "wl%d: Error setting MPC variable to 0\n",
+ unit);
+
+ /* register our interrupt handler */
+ if (request_irq(irq, brcms_isr, IRQF_SHARED, KBUILD_MODNAME, wl)) {
+ wiphy_err(wl->wiphy, "wl%d: request_irq() failed\n", unit);
+ goto fail;
+ }
+ wl->irq = irq;
+
+ /* register module */
+ brcms_c_module_register(wl->pub, "linux", wl, NULL);
+
+ if (ieee_hw_init(hw)) {
+ wiphy_err(wl->wiphy, "wl%d: %s: ieee_hw_init failed!\n", unit,
+ __func__);
+ goto fail;
+ }
+
+ memcpy(perm, &wl->pub->cur_etheraddr, ETH_ALEN);
+ if (WARN_ON(!is_valid_ether_addr(perm)))
+ goto fail;
+ SET_IEEE80211_PERM_ADDR(hw, perm);
+
+ err = ieee80211_register_hw(hw);
+ if (err)
+ wiphy_err(wl->wiphy, "%s: ieee80211_register_hw failed, status"
+ "%d\n", __func__, err);
+
+ if (wl->pub->srom_ccode[0])
+ err = brcms_set_hint(wl, wl->pub->srom_ccode);
+ else
+ err = brcms_set_hint(wl, "US");
+ if (err)
+ wiphy_err(wl->wiphy, "%s: regulatory_hint failed, status %d\n",
+ __func__, err);
+
+ n_adapters_found++;
+ return wl;
+
+fail:
+ brcms_free(wl);
+ return NULL;
+}
+
+
+
/**
* determines if a device is a WL device, and if so, attaches it.
*
return -ENODEV;
}
- err = pci_set_power_state(pdev, PCI_D0);
- if (err)
- return err;
-
- pci_restore_state(pdev);
-
- err = pci_enable_device(pdev);
- if (err)
- return err;
-
- pci_set_master(pdev);
-
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
- /*
- * done. driver will be put in up state
- * in brcms_ops_add_interface() call.
- */
- return err;
-}
-
-/*
-* called from both kernel as from this kernel module.
-* precondition: perimeter lock is not acquired.
-*/
-static void brcms_remove(struct pci_dev *pdev)
-{
- struct brcms_info *wl;
- struct ieee80211_hw *hw;
- int status;
-
- hw = pci_get_drvdata(pdev);
- wl = HW_TO_WL(hw);
- if (!wl) {
- pr_err("wl: brcms_remove: pci_get_drvdata failed\n");
- return;
- }
-
- LOCK(wl);
- status = brcms_c_chipmatch(pdev->vendor, pdev->device);
- UNLOCK(wl);
- if (!status) {
- wiphy_err(wl->wiphy, "wl: brcms_remove: chipmatch "
- "failed\n");
- return;
- }
- if (wl->wlc) {
- wiphy_rfkill_set_hw_state(wl->pub->ieee_hw->wiphy, false);
- wiphy_rfkill_stop_polling(wl->pub->ieee_hw->wiphy);
- ieee80211_unregister_hw(hw);
- LOCK(wl);
- brcms_down(wl);
- UNLOCK(wl);
- }
- pci_disable_device(pdev);
+ err = pci_set_power_state(pdev, PCI_D0);
+ if (err)
+ return err;
- brcms_free(wl);
+ pci_restore_state(pdev);
- pci_set_drvdata(pdev, NULL);
- ieee80211_free_hw(hw);
+ err = pci_enable_device(pdev);
+ if (err)
+ return err;
+
+ pci_set_master(pdev);
+
+ pci_read_config_dword(pdev, 0x40, &val);
+ if ((val & 0x0000ff00) != 0)
+ pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+
+ /*
+ * done. driver will be put in up state
+ * in brcms_ops_add_interface() call.
+ */
+ return err;
}
static struct pci_driver brcms_pci_driver = {
module_init(brcms_module_init);
module_exit(brcms_module_exit);
-/**
- * This function frees the WL per-device resources.
- *
- * This function frees resources owned by the WL device pointed to
- * by the wl parameter.
- *
- * precondition: can both be called locked and unlocked
- *
- */
-static void brcms_free(struct brcms_info *wl)
-{
- struct brcms_timer *t, *next;
-
- /* free ucode data */
- if (wl->fw.fw_cnt)
- brcms_ucode_data_free();
- if (wl->irq)
- free_irq(wl->irq, wl);
-
- /* kill dpc */
- tasklet_kill(&wl->tasklet);
-
- if (wl->pub)
- brcms_c_module_unregister(wl->pub, "linux", wl);
-
- /* free common resources */
- if (wl->wlc) {
- brcms_c_detach(wl->wlc);
- wl->wlc = NULL;
- wl->pub = NULL;
- }
-
- /* virtual interface deletion is deferred so we cannot spinwait */
-
- /* wait for all pending callbacks to complete */
- while (atomic_read(&wl->callbacks) > 0)
- schedule();
-
- /* free timers */
- for (t = wl->timers; t; t = next) {
- next = t->next;
-#ifdef BCMDBG
- kfree(t->name);
-#endif
- kfree(t);
- }
-
- /*
- * unregister_netdev() calls get_stats() which may read chip
- * registers so we cannot unmap the chip registers until
- * after calling unregister_netdev() .
- */
- if (wl->regsva)
- iounmap((void *)wl->regsva);
-
- wl->regsva = NULL;
-}
-
-/* flags the given rate in rateset as requested */
-static void brcms_set_basic_rate(struct brcm_rateset *rs, u16 rate, bool is_br)
-{
- u32 i;
-
- for (i = 0; i < rs->count; i++) {
- if (rate != (rs->rates[i] & 0x7f))
- continue;
-
- if (is_br)
- rs->rates[i] |= BRCMS_RATE_FLAG;
- else
- rs->rates[i] &= BRCMS_RATE_MASK;
- return;
- }
-}
-
/*
* precondition: perimeter lock has been acquired
*/
LOCK(wl);
}
-static irqreturn_t brcms_isr(int irq, void *dev_id)
-{
- struct brcms_info *wl;
- bool ours, wantdpc;
- unsigned long flags;
-
- wl = (struct brcms_info *) dev_id;
-
- ISR_LOCK(wl, flags);
-
- /* call common first level interrupt handler */
- ours = brcms_c_isr(wl->wlc, &wantdpc);
- if (ours) {
- /* if more to do... */
- if (wantdpc) {
-
- /* ...and call the second level interrupt handler */
- /* schedule dpc */
- tasklet_schedule(&wl->tasklet);
- }
- }
-
- ISR_UNLOCK(wl, flags);
-
- return IRQ_RETVAL(ours);
-}
-
-static void brcms_dpc(unsigned long data)
-{
- struct brcms_info *wl;
-
- wl = (struct brcms_info *) data;
-
- LOCK(wl);
-
- /* call the common second level interrupt handler */
- if (wl->pub->up) {
- if (wl->resched) {
- unsigned long flags;
-
- INT_LOCK(wl, flags);
- brcms_c_intrsupd(wl->wlc);
- INT_UNLOCK(wl, flags);
- }
-
- wl->resched = brcms_c_dpc(wl->wlc, true);
- }
-
- /* brcms_c_dpc() may bring the driver down */
- if (!wl->pub->up)
- goto done;
-
- /* re-schedule dpc */
- if (wl->resched)
- tasklet_schedule(&wl->tasklet);
- else
- /* re-enable interrupts */
- brcms_intrson(wl);
-
- done:
- UNLOCK(wl);
-}
-
-/*
- * is called by the kernel from software irq context
- */
-static void brcms_timer(unsigned long data)
-{
- _brcms_timer((struct brcms_timer *) data);
-}
-
/*
* precondition: perimeter lock is not acquired
*/
UNLOCK(t->wl);
}
+/*
+ * is called by the kernel from software irq context
+ */
+static void brcms_timer(unsigned long data)
+{
+ _brcms_timer((struct brcms_timer *) data);
+}
+
/*
* Adds a timer to the list. Caller supplies a timer function.
* Is called from wlc.
}
-struct firmware_hdr {
- u32 offset;
- u32 len;
- u32 idx;
-};
-
-char *brcms_firmwares[MAX_FW_IMAGES] = {
- "brcm/bcm43xx",
- NULL
-};
-
/*
* precondition: perimeter lock has been acquired
*/
return -ENOMSG;
}
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static int brcms_request_fw(struct brcms_info *wl, struct pci_dev *pdev)
-{
- int status;
- struct device *device = &pdev->dev;
- char fw_name[100];
- int i;
-
- memset(&wl->fw, 0, sizeof(struct brcms_firmware));
- for (i = 0; i < MAX_FW_IMAGES; i++) {
- if (brcms_firmwares[i] == NULL)
- break;
- sprintf(fw_name, "%s-%d.fw", brcms_firmwares[i],
- UCODE_LOADER_API_VER);
- status = request_firmware(&wl->fw.fw_bin[i], fw_name, device);
- if (status) {
- wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
- KBUILD_MODNAME, fw_name);
- return status;
- }
- sprintf(fw_name, "%s_hdr-%d.fw", brcms_firmwares[i],
- UCODE_LOADER_API_VER);
- status = request_firmware(&wl->fw.fw_hdr[i], fw_name, device);
- if (status) {
- wiphy_err(wl->wiphy, "%s: fail to load firmware %s\n",
- KBUILD_MODNAME, fw_name);
- return status;
- }
- wl->fw.hdr_num_entries[i] =
- wl->fw.fw_hdr[i]->size / (sizeof(struct firmware_hdr));
- }
- wl->fw.fw_cnt = i;
- return brcms_ucode_data_init(wl);
-}
-
/*
* precondition: can both be called locked and unlocked
*/
kfree(p);
}
-/*
- * Precondition: Since this function is called in brcms_pci_probe() context,
- * no locking is required.
- */
-static void brcms_release_fw(struct brcms_info *wl)
-{
- int i;
- for (i = 0; i < MAX_FW_IMAGES; i++) {
- release_firmware(wl->fw.fw_bin[i]);
- release_firmware(wl->fw.fw_hdr[i]);
- }
-}
-
-
/*
* checks validity of all firmware images loaded from user space
*
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff