diff options
Diffstat (limited to 'drivers/staging/vt6656/main_usb.c')
-rw-r--r-- | drivers/staging/vt6656/main_usb.c | 181 |
1 files changed, 109 insertions, 72 deletions
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c index 5f78cad3b647..8bf851c53f4e 100644 --- a/drivers/staging/vt6656/main_usb.c +++ b/drivers/staging/vt6656/main_usb.c @@ -33,7 +33,6 @@ #include "wcmd.h" #include "rxtx.h" #include "rf.h" -#include "firmware.h" #include "usbpipe.h" #include "channel.h" @@ -60,8 +59,6 @@ MODULE_PARM_DESC(tx_buffers, "Number of receive usb tx buffers"); #define RTS_THRESH_DEF 2347 #define FRAG_THRESH_DEF 2346 -#define SHORT_RETRY_DEF 8 -#define LONG_RETRY_DEF 4 /* BasebandType[] baseband type selected * 0: indicate 802.11a type @@ -94,15 +91,91 @@ static void vnt_set_options(struct vnt_private *priv) else priv->num_rcb = vnt_rx_buffers; - priv->short_retry_limit = SHORT_RETRY_DEF; - priv->long_retry_limit = LONG_RETRY_DEF; priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; priv->bb_type = BBP_TYPE_DEF; priv->packet_type = priv->bb_type; - priv->preamble_type = 0; + priv->preamble_type = PREAMBLE_LONG; priv->exist_sw_net_addr = false; } +static int vnt_download_firmware(struct vnt_private *priv) +{ + struct device *dev = &priv->usb->dev; + const struct firmware *fw; + u16 length; + int ii; + int ret = 0; + + dev_dbg(dev, "---->Download firmware\n"); + + ret = request_firmware(&fw, FIRMWARE_NAME, dev); + if (ret) { + dev_err(dev, "firmware file %s request failed (%d)\n", + FIRMWARE_NAME, ret); + goto end; + } + + for (ii = 0; ii < fw->size; ii += FIRMWARE_CHUNK_SIZE) { + length = min_t(int, fw->size - ii, FIRMWARE_CHUNK_SIZE); + + ret = vnt_control_out(priv, 0, 0x1200 + ii, 0x0000, length, + fw->data + ii); + if (ret) + goto free_fw; + + dev_dbg(dev, "Download firmware...%d %zu\n", ii, fw->size); + } + +free_fw: + release_firmware(fw); +end: + return ret; +} + +static int vnt_firmware_branch_to_sram(struct vnt_private *priv) +{ + dev_dbg(&priv->usb->dev, "---->Branch to Sram\n"); + + return vnt_control_out(priv, 1, 0x1200, 0x0000, 0, NULL); +} + +static int vnt_check_firmware_version(struct vnt_private *priv) +{ + int ret = 0; + + ret = vnt_control_in(priv, MESSAGE_TYPE_READ, 0, + MESSAGE_REQUEST_VERSION, 2, + (u8 *)&priv->firmware_version); + if (ret) { + dev_dbg(&priv->usb->dev, + "Could not get firmware version: %d.\n", ret); + goto end; + } + + dev_dbg(&priv->usb->dev, "Firmware Version [%04x]\n", + priv->firmware_version); + + if (priv->firmware_version == 0xFFFF) { + dev_dbg(&priv->usb->dev, "In Loader.\n"); + ret = -EINVAL; + goto end; + } + + if (priv->firmware_version < FIRMWARE_VERSION) { + /* branch to loader for download new firmware */ + ret = vnt_firmware_branch_to_sram(priv); + if (ret) { + dev_dbg(&priv->usb->dev, + "Could not branch to SRAM: %d.\n", ret); + } else { + ret = -EINVAL; + } + } + +end: + return ret; +} + /* * initialization of MAC & BBP registers */ @@ -146,8 +219,8 @@ static int vnt_init_registers(struct vnt_private *priv) init_cmd->exist_sw_net_addr = priv->exist_sw_net_addr; for (ii = 0; ii < ARRAY_SIZE(init_cmd->sw_net_addr); ii++) init_cmd->sw_net_addr[ii] = priv->current_net_addr[ii]; - init_cmd->short_retry_limit = priv->short_retry_limit; - init_cmd->long_retry_limit = priv->long_retry_limit; + init_cmd->short_retry_limit = priv->hw->wiphy->retry_short; + init_cmd->long_retry_limit = priv->hw->wiphy->retry_long; /* issue card_init command to device */ ret = vnt_control_out(priv, MESSAGE_TYPE_CARDINIT, 0, 0, @@ -324,19 +397,6 @@ static int vnt_init_registers(struct vnt_private *priv) dev_dbg(&priv->usb->dev, "Network address = %pM\n", priv->current_net_addr); - /* - * set BB and packet type at the same time - * set Short Slot Time, xIFS, and RSPINF - */ - if (priv->bb_type == BB_TYPE_11A) - priv->short_slot_time = true; - else - priv->short_slot_time = false; - - ret = vnt_set_short_slot_time(priv); - if (ret) - goto end; - priv->radio_ctl = priv->eeprom[EEP_OFS_RADIOCTL]; if ((priv->radio_ctl & EEP_RADIOCTL_ENABLE) != 0) { @@ -385,17 +445,13 @@ static void vnt_free_tx_bufs(struct vnt_private *priv) struct vnt_usb_send_context *tx_context; int ii; + usb_kill_anchored_urbs(&priv->tx_submitted); + for (ii = 0; ii < priv->num_tx_context; ii++) { tx_context = priv->tx_context[ii]; if (!tx_context) continue; - /* deallocate URBs */ - if (tx_context->urb) { - usb_kill_urb(tx_context->urb); - usb_free_urb(tx_context->urb); - } - kfree(tx_context); } } @@ -436,6 +492,8 @@ static int vnt_alloc_bufs(struct vnt_private *priv) struct vnt_rcb *rcb; int ii; + init_usb_anchor(&priv->tx_submitted); + for (ii = 0; ii < priv->num_tx_context; ii++) { tx_context = kmalloc(sizeof(*tx_context), GFP_KERNEL); if (!tx_context) { @@ -446,14 +504,6 @@ static int vnt_alloc_bufs(struct vnt_private *priv) priv->tx_context[ii] = tx_context; tx_context->priv = priv; tx_context->pkt_no = ii; - - /* allocate URBs */ - tx_context->urb = usb_alloc_urb(0, GFP_KERNEL); - if (!tx_context->urb) { - ret = -ENOMEM; - goto free_tx; - } - tx_context->in_use = false; } @@ -683,15 +733,14 @@ static int vnt_config(struct ieee80211_hw *hw, u32 changed) priv->bb_type = BB_TYPE_11G; } - if (changed & IEEE80211_CONF_CHANGE_POWER) { - if (priv->bb_type == BB_TYPE_11B) - priv->current_rate = RATE_1M; - else - priv->current_rate = RATE_54M; + if (changed & IEEE80211_CONF_CHANGE_POWER) + vnt_rf_setpower(priv, conf->chandef.chan); - vnt_rf_setpower(priv, priv->current_rate, - conf->chandef.chan->hw_value); - } + if (conf->flags & (IEEE80211_CONF_OFFCHANNEL | IEEE80211_CONF_IDLE)) + /* Set max sensitivity*/ + vnt_update_pre_ed_threshold(priv, true); + else + vnt_update_pre_ed_threshold(priv, false); return 0; } @@ -718,10 +767,10 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, if (changed & BSS_CHANGED_ERP_PREAMBLE) { if (conf->use_short_preamble) { vnt_mac_enable_barker_preamble_mode(priv); - priv->preamble_type = true; + priv->preamble_type = PREAMBLE_SHORT; } else { vnt_mac_disable_barker_preamble_mode(priv); - priv->preamble_type = false; + priv->preamble_type = PREAMBLE_LONG; } } @@ -740,16 +789,14 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, vnt_set_short_slot_time(priv); vnt_set_vga_gain_offset(priv, priv->bb_vga[0]); - vnt_update_pre_ed_threshold(priv, false); } if (changed & (BSS_CHANGED_BASIC_RATES | BSS_CHANGED_ERP_PREAMBLE | BSS_CHANGED_ERP_SLOT)) vnt_set_bss_mode(priv); - if (changed & BSS_CHANGED_TXPOWER) - vnt_rf_setpower(priv, priv->current_rate, - conf->chandef.chan->hw_value); + if (changed & (BSS_CHANGED_TXPOWER | BSS_CHANGED_BANDWIDTH)) + vnt_rf_setpower(priv, conf->chandef.chan); if (changed & BSS_CHANGED_BEACON_ENABLED) { dev_dbg(&priv->usb->dev, @@ -767,10 +814,17 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) && priv->op_mode != NL80211_IFTYPE_AP) { if (conf->assoc && conf->beacon_rate) { + u16 ps_beacon_int = conf->beacon_int; + + if (conf->dtim_period) + ps_beacon_int *= conf->dtim_period; + else if (hw->conf.listen_interval) + ps_beacon_int *= hw->conf.listen_interval; + vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); - vnt_mac_set_beacon_interval(priv, conf->beacon_int); + vnt_mac_set_beacon_interval(priv, ps_beacon_int); vnt_reset_next_tbtt(priv, conf->beacon_int); @@ -778,7 +832,7 @@ static void vnt_bss_info_changed(struct ieee80211_hw *hw, conf->sync_tsf, priv->current_tsf); vnt_update_next_tbtt(priv, - conf->sync_tsf, conf->beacon_int); + conf->sync_tsf, ps_beacon_int); } else { vnt_clear_current_tsf(priv); @@ -868,25 +922,6 @@ static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return 0; } -static void vnt_sw_scan_start(struct ieee80211_hw *hw, - struct ieee80211_vif *vif, - const u8 *addr) -{ - struct vnt_private *priv = hw->priv; - - /* Set max sensitivity*/ - vnt_update_pre_ed_threshold(priv, true); -} - -static void vnt_sw_scan_complete(struct ieee80211_hw *hw, - struct ieee80211_vif *vif) -{ - struct vnt_private *priv = hw->priv; - - /* Return sensitivity to channel level*/ - vnt_update_pre_ed_threshold(priv, false); -} - static int vnt_get_stats(struct ieee80211_hw *hw, struct ieee80211_low_level_stats *stats) { @@ -932,8 +967,6 @@ static const struct ieee80211_ops vnt_mac_ops = { .prepare_multicast = vnt_prepare_multicast, .configure_filter = vnt_configure, .set_key = vnt_set_key, - .sw_scan_start = vnt_sw_scan_start, - .sw_scan_complete = vnt_sw_scan_complete, .get_stats = vnt_get_stats, .get_tsf = vnt_get_tsf, .set_tsf = vnt_set_tsf, @@ -1010,6 +1043,8 @@ vt6656_probe(struct usb_interface *intf, const struct usb_device_id *id) ieee80211_hw_set(priv->hw, SUPPORTS_PS); ieee80211_hw_set(priv->hw, PS_NULLFUNC_STACK); + priv->hw->extra_tx_headroom = + sizeof(struct vnt_tx_buffer) + sizeof(struct vnt_tx_usb_header); priv->hw->max_signal = 100; SET_IEEE80211_DEV(priv->hw, &intf->dev); @@ -1078,3 +1113,5 @@ static struct usb_driver vt6656_driver = { }; module_usb_driver(vt6656_driver); + +MODULE_FIRMWARE(FIRMWARE_NAME); |