diff options
Diffstat (limited to 'drivers/net/wireless/rsi/rsi_91x_hal.c')
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_hal.c | 1162 |
1 files changed, 1162 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c new file mode 100644 index 0000000..6f8d5f9 --- /dev/null +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c @@ -0,0 +1,1162 @@ +/** + * Copyright (c) 2014 Redpine Signals Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/firmware.h> +#include <net/bluetooth/bluetooth.h> +#include "rsi_mgmt.h" +#include "rsi_hal.h" +#include "rsi_sdio.h" +#include "rsi_common.h" + +/* FLASH Firmware */ +static struct ta_metadata metadata_flash_content[] = { + {"flash_content", 0x00010000}, + {"rsi/rs9113_wlan_qspi.rps", 0x00010000}, + {"rsi/rs9113_wlan_bt_dual_mode.rps", 0x00010000}, + {"flash_content", 0x00010000}, + {"rsi/rs9113_ap_bt_dual_mode.rps", 0x00010000}, + +}; + +static struct ta_metadata metadata[] = {{"pmemdata_dummy", 0x00000000}, + {"rsi/rs9116_wlan.rps", 0x00000000}, + {"rsi/rs9116_wlan_bt_classic.rps", 0x00000000}, + {"rsi/pmemdata_dummy", 0x00000000}, + {"rsi/rs9116_wlan_bt_classic.rps", 0x00000000} +}; + +int rsi_send_pkt_to_bus(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + int status; + + if (common->coex_mode > 1) + mutex_lock(&common->tx_bus_mutex); + + status = adapter->host_intf_ops->write_pkt(common->priv, + skb->data, skb->len); + + if (common->coex_mode > 1) + mutex_unlock(&common->tx_bus_mutex); + + return status; +} + +int rsi_prepare_mgmt_desc(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_hdr *wh = NULL; + struct ieee80211_tx_info *info; + struct ieee80211_conf *conf = &adapter->hw->conf; + struct ieee80211_vif *vif; + struct rsi_mgmt_desc *mgmt_desc; + struct skb_info *tx_params; + struct rsi_xtended_desc *xtend_desc = NULL; + u8 header_size; + u32 dword_align_bytes = 0; + + if (skb->len > MAX_MGMT_PKT_SIZE) { + rsi_dbg(INFO_ZONE, "%s: Dropping mgmt pkt > 512\n", __func__); + return -EINVAL; + } + + info = IEEE80211_SKB_CB(skb); + tx_params = (struct skb_info *)info->driver_data; + vif = tx_params->vif; + + /* Update header size */ + header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc); + if (header_size > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to add extended descriptor\n", + __func__); + return -ENOSPC; + } + skb_push(skb, header_size); + dword_align_bytes = ((unsigned long)skb->data & 0x3f); + if (dword_align_bytes > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to add dword align\n", __func__); + return -ENOSPC; + } + skb_push(skb, dword_align_bytes); + header_size += dword_align_bytes; + + tx_params->internal_hdr_size = header_size; + memset(&skb->data[0], 0, header_size); + wh = (struct ieee80211_hdr *)&skb->data[header_size]; + + mgmt_desc = (struct rsi_mgmt_desc *)skb->data; + xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; + + rsi_set_len_qno(&mgmt_desc->len_qno, (skb->len - FRAME_DESC_SZ), + RSI_WIFI_MGMT_Q); + mgmt_desc->frame_type = TX_DOT11_MGMT; + mgmt_desc->header_len = MIN_802_11_HDR_LEN; + mgmt_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; + + if (ieee80211_is_probe_req(wh->frame_control)) + mgmt_desc->frame_info = cpu_to_le16(RSI_INSERT_SEQ_IN_FW); + mgmt_desc->frame_info |= cpu_to_le16(RATE_INFO_ENABLE); + if (is_broadcast_ether_addr(wh->addr1)) + mgmt_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); + + mgmt_desc->seq_ctrl = + cpu_to_le16(IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl))); + if ((common->band == NL80211_BAND_2GHZ) && !common->p2p_enabled) + mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_1); + else + mgmt_desc->rate_info = cpu_to_le16(RSI_RATE_6); + + if (conf_is_ht40(conf)) + mgmt_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); + + if (ieee80211_is_probe_resp(wh->frame_control)) { + mgmt_desc->misc_flags |= (RSI_ADD_DELTA_TSF_VAP_ID | + RSI_FETCH_RETRY_CNT_FRM_HST); +#define PROBE_RESP_RETRY_CNT 3 + xtend_desc->retry_cnt = PROBE_RESP_RETRY_CNT; + } + + if (((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) && + (ieee80211_is_action(wh->frame_control))) { + struct rsi_sta *rsta = rsi_find_sta(common, wh->addr1); + + if (rsta) + mgmt_desc->sta_id = tx_params->sta_id; + else + return -EINVAL; + } + mgmt_desc->rate_info |= + cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & + RSI_DESC_VAP_ID_MASK); + + return 0; +} + +/* This function prepares descriptor for given data packet */ +int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_vif *vif; + struct ieee80211_hdr *wh = NULL; + struct ieee80211_tx_info *info; + struct skb_info *tx_params; + struct rsi_data_desc *data_desc; + struct rsi_xtended_desc *xtend_desc; + u8 ieee80211_size = MIN_802_11_HDR_LEN; + u8 header_size; + u8 vap_id = 0; + u8 dword_align_bytes; + u16 seq_num; + + info = IEEE80211_SKB_CB(skb); + vif = info->control.vif; + tx_params = (struct skb_info *)info->driver_data; + + header_size = FRAME_DESC_SZ + sizeof(struct rsi_xtended_desc); + if (header_size > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, "%s: Unable to send pkt\n", __func__); + return -ENOSPC; + } + skb_push(skb, header_size); + dword_align_bytes = ((unsigned long)skb->data & 0x3f); + if (header_size > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); + return -ENOSPC; + } + skb_push(skb, dword_align_bytes); + header_size += dword_align_bytes; + + tx_params->internal_hdr_size = header_size; + data_desc = (struct rsi_data_desc *)skb->data; + memset(data_desc, 0, header_size); + + xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; + wh = (struct ieee80211_hdr *)&skb->data[header_size]; + seq_num = IEEE80211_SEQ_TO_SN(le16_to_cpu(wh->seq_ctrl)); + + data_desc->xtend_desc_size = header_size - FRAME_DESC_SZ; + + if (ieee80211_is_data_qos(wh->frame_control)) { + ieee80211_size += 2; + data_desc->mac_flags |= cpu_to_le16(RSI_QOS_ENABLE); + } + + if (((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && + (adapter->ps_state == PS_ENABLED)) + wh->frame_control |= cpu_to_le16(RSI_SET_PS_ENABLE); + + if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) && + (common->secinfo.security_enable)) { + if (rsi_is_cipher_wep(common)) + ieee80211_size += 4; + else + ieee80211_size += 8; + data_desc->mac_flags |= cpu_to_le16(RSI_ENCRYPT_PKT); + } + rsi_set_len_qno(&data_desc->len_qno, (skb->len - FRAME_DESC_SZ), + RSI_WIFI_DATA_Q); + data_desc->header_len = ieee80211_size; + + if (common->min_rate != RSI_RATE_AUTO) { + /* Send fixed rate */ + data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); + data_desc->rate_info = cpu_to_le16(common->min_rate); + + if (conf_is_ht40(&common->priv->hw->conf)) + data_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); + + if ((common->vif_info[0].sgi) && (common->min_rate & 0x100)) { + /* Only MCS rates */ + data_desc->rate_info |= + cpu_to_le16(ENABLE_SHORTGI_RATE); + } + } + + if (skb->protocol == cpu_to_be16(ETH_P_PAE)) { + rsi_dbg(INFO_ZONE, "*** Tx EAPOL ***\n"); + + data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); + if (common->band == NL80211_BAND_5GHZ) + data_desc->rate_info = cpu_to_le16(RSI_RATE_6); + else + data_desc->rate_info = cpu_to_le16(RSI_RATE_1); + data_desc->mac_flags |= cpu_to_le16(RSI_REKEY_PURPOSE); + data_desc->misc_flags |= RSI_FETCH_RETRY_CNT_FRM_HST; +#define EAPOL_RETRY_CNT 15 + xtend_desc->retry_cnt = EAPOL_RETRY_CNT; + + if (common->eapol4_confirm) + skb->priority = VO_Q; + else + rsi_set_len_qno(&data_desc->len_qno, + (skb->len - FRAME_DESC_SZ), + RSI_WIFI_MGMT_Q); + if ((skb->len - header_size) == EAPOL4_PACKET_LEN) { + data_desc->misc_flags |= + RSI_DESC_REQUIRE_CFM_TO_HOST; + xtend_desc->confirm_frame_type = EAPOL4_CONFIRM; + } + } + + data_desc->mac_flags |= cpu_to_le16(seq_num & 0xfff); + data_desc->qid_tid = ((skb->priority & 0xf) | + ((tx_params->tid & 0xf) << 4)); + data_desc->sta_id = tx_params->sta_id; + + if ((is_broadcast_ether_addr(wh->addr1)) || + (is_multicast_ether_addr(wh->addr1))) { + data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); + data_desc->frame_info |= cpu_to_le16(RSI_BROADCAST_PKT); + data_desc->sta_id = vap_id; + + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) { + if (common->band == NL80211_BAND_5GHZ) + data_desc->rate_info = cpu_to_le16(RSI_RATE_6); + else + data_desc->rate_info = cpu_to_le16(RSI_RATE_1); + } + } + if (((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) && + (ieee80211_has_moredata(wh->frame_control))) + data_desc->frame_info |= cpu_to_le16(MORE_DATA_PRESENT); + + data_desc->rate_info |= + cpu_to_le16((tx_params->vap_id << RSI_DESC_VAP_ID_OFST) & + RSI_DESC_VAP_ID_MASK); + + return 0; +} + +/* This function sends received data packet from driver to device */ +int rsi_send_data_pkt(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_vif *vif; + struct ieee80211_tx_info *info; + struct ieee80211_bss_conf *bss; + int status = -EINVAL; + + if (!skb) + return 0; + if (common->iface_down) + goto err; + + info = IEEE80211_SKB_CB(skb); + if (!info->control.vif) + goto err; + vif = info->control.vif; + bss = &vif->bss_conf; + + if (((vif->type == NL80211_IFTYPE_STATION) || + (vif->type == NL80211_IFTYPE_P2P_CLIENT)) && + (!bss->assoc)) + goto err; + + status = rsi_send_pkt_to_bus(common, skb); + if (status) + rsi_dbg(ERR_ZONE, "%s: Failed to write pkt\n", __func__); + +err: + ++common->tx_stats.total_tx_pkt_freed[skb->priority]; + rsi_indicate_tx_status(adapter, skb, status); + return status; +} + +/** + * rsi_send_mgmt_pkt() - This functions sends the received management packet + * from driver to device. + * @common: Pointer to the driver private structure. + * @skb: Pointer to the socket buffer structure. + * + * Return: status: 0 on success, -1 on failure. + */ +int rsi_send_mgmt_pkt(struct rsi_common *common, + struct sk_buff *skb) +{ + struct rsi_hw *adapter = common->priv; + struct ieee80211_bss_conf *bss; + struct ieee80211_hdr *wh; + struct ieee80211_tx_info *info; + struct skb_info *tx_params; + struct rsi_mgmt_desc *mgmt_desc; + struct rsi_xtended_desc *xtend_desc; + int status = -E2BIG; + u8 header_size; + + info = IEEE80211_SKB_CB(skb); + tx_params = (struct skb_info *)info->driver_data; + header_size = tx_params->internal_hdr_size; + + if (tx_params->flags & INTERNAL_MGMT_PKT) { + status = adapter->host_intf_ops->write_pkt(common->priv, + (u8 *)skb->data, + skb->len); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Failed to write the packet\n", __func__); + } + dev_kfree_skb(skb); + return status; + } + + bss = &info->control.vif->bss_conf; + wh = (struct ieee80211_hdr *)&skb->data[header_size]; + mgmt_desc = (struct rsi_mgmt_desc *)skb->data; + xtend_desc = (struct rsi_xtended_desc *)&skb->data[FRAME_DESC_SZ]; + + /* Indicate to firmware to give cfm for probe */ + if (ieee80211_is_probe_req(wh->frame_control) && !bss->assoc) { + rsi_dbg(INFO_ZONE, + "%s: blocking mgmt queue\n", __func__); + mgmt_desc->misc_flags = RSI_DESC_REQUIRE_CFM_TO_HOST; + xtend_desc->confirm_frame_type = PROBEREQ_CONFIRM; + common->mgmt_q_block = true; + rsi_dbg(INFO_ZONE, "Mgmt queue blocked\n"); + } + + status = rsi_send_pkt_to_bus(common, skb); + if (status) + rsi_dbg(ERR_ZONE, "%s: Failed to write the packet\n", __func__); + + rsi_indicate_tx_status(common->priv, skb, status); + return status; +} + +int rsi_send_bt_pkt(struct rsi_common *common, struct sk_buff *skb) +{ + int status = -EINVAL; + u8 header_size = 0; + struct rsi_bt_desc *bt_desc; + u8 queueno = ((skb->data[1] >> 4) & 0xf); + + if (queueno == RSI_BT_MGMT_Q) { + status = rsi_send_pkt_to_bus(common, skb); + if (status) + rsi_dbg(ERR_ZONE, "%s: Failed to write bt mgmt pkt\n", + __func__); + goto out; + } + header_size = FRAME_DESC_SZ; + if (header_size > skb_headroom(skb)) { + rsi_dbg(ERR_ZONE, "%s: Not enough headroom\n", __func__); + status = -ENOSPC; + goto out; + } + skb_push(skb, header_size); + memset(skb->data, 0, header_size); + bt_desc = (struct rsi_bt_desc *)skb->data; + + rsi_set_len_qno(&bt_desc->len_qno, (skb->len - FRAME_DESC_SZ), + RSI_BT_DATA_Q); + bt_desc->bt_pkt_type = cpu_to_le16(bt_cb(skb)->pkt_type); + + status = rsi_send_pkt_to_bus(common, skb); + if (status) + rsi_dbg(ERR_ZONE, "%s: Failed to write bt pkt\n", __func__); + +out: + dev_kfree_skb(skb); + return status; +} + +int rsi_prepare_beacon(struct rsi_common *common, struct sk_buff *skb) +{ + struct rsi_hw *adapter = (struct rsi_hw *)common->priv; + struct rsi_data_desc *bcn_frm; + struct ieee80211_hw *hw = common->priv->hw; + struct ieee80211_conf *conf = &hw->conf; + struct ieee80211_vif *vif; + struct sk_buff *mac_bcn; + u8 vap_id = 0, i; + u16 tim_offset = 0; + + for (i = 0; i < RSI_MAX_VIFS; i++) { + vif = adapter->vifs[i]; + if (!vif) + continue; + if ((vif->type == NL80211_IFTYPE_AP) || + (vif->type == NL80211_IFTYPE_P2P_GO)) + break; + } + if (!vif) + return -EINVAL; + mac_bcn = ieee80211_beacon_get_tim(adapter->hw, + vif, + &tim_offset, NULL); + if (!mac_bcn) { + rsi_dbg(ERR_ZONE, "Failed to get beacon from mac80211\n"); + return -EINVAL; + } + + common->beacon_cnt++; + bcn_frm = (struct rsi_data_desc *)skb->data; + rsi_set_len_qno(&bcn_frm->len_qno, mac_bcn->len, RSI_WIFI_DATA_Q); + bcn_frm->header_len = MIN_802_11_HDR_LEN; + bcn_frm->frame_info = cpu_to_le16(RSI_DATA_DESC_MAC_BBP_INFO | + RSI_DATA_DESC_NO_ACK_IND | + RSI_DATA_DESC_BEACON_FRAME | + RSI_DATA_DESC_INSERT_TSF | + RSI_DATA_DESC_INSERT_SEQ_NO | + RATE_INFO_ENABLE); + bcn_frm->rate_info = cpu_to_le16(vap_id << 14); + bcn_frm->qid_tid = BEACON_HW_Q; + + if (conf_is_ht40_plus(conf)) { + bcn_frm->bbp_info = cpu_to_le16(LOWER_20_ENABLE); + bcn_frm->bbp_info |= cpu_to_le16(LOWER_20_ENABLE >> 12); + } else if (conf_is_ht40_minus(conf)) { + bcn_frm->bbp_info = cpu_to_le16(UPPER_20_ENABLE); + bcn_frm->bbp_info |= cpu_to_le16(UPPER_20_ENABLE >> 12); + } + + if (common->band == NL80211_BAND_2GHZ) + bcn_frm->bbp_info |= cpu_to_le16(RSI_RATE_1); + else + bcn_frm->bbp_info |= cpu_to_le16(RSI_RATE_6); + + if (mac_bcn->data[tim_offset + 2] == 0) + bcn_frm->frame_info |= cpu_to_le16(RSI_DATA_DESC_DTIM_BEACON); + + memcpy(&skb->data[FRAME_DESC_SZ], mac_bcn->data, mac_bcn->len); + skb_put(skb, mac_bcn->len + FRAME_DESC_SZ); + + dev_kfree_skb(mac_bcn); + + return 0; +} + +static void bl_cmd_timeout(struct timer_list *t) +{ + struct rsi_hw *adapter = from_timer(adapter, t, bl_cmd_timer); + + adapter->blcmd_timer_expired = true; + del_timer(&adapter->bl_cmd_timer); +} + +static int bl_start_cmd_timer(struct rsi_hw *adapter, u32 timeout) +{ + timer_setup(&adapter->bl_cmd_timer, bl_cmd_timeout, 0); + adapter->bl_cmd_timer.expires = (msecs_to_jiffies(timeout) + jiffies); + + adapter->blcmd_timer_expired = false; + add_timer(&adapter->bl_cmd_timer); + + return 0; +} + +static int bl_stop_cmd_timer(struct rsi_hw *adapter) +{ + adapter->blcmd_timer_expired = false; + if (timer_pending(&adapter->bl_cmd_timer)) + del_timer(&adapter->bl_cmd_timer); + + return 0; +} + +static int bl_write_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, + u16 *cmd_resp) +{ + struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; + u32 regin_val = 0, regout_val = 0; + u32 regin_input = 0; + u8 output = 0; + int status; + + regin_input = (REGIN_INPUT | adapter->priv->coex_mode); + + while (!adapter->blcmd_timer_expired) { + regin_val = 0; + status = hif_ops->master_reg_read(adapter, SWBL_REGIN, + ®in_val, 2); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Command %0x REGIN reading failed..\n", + __func__, cmd); + return status; + } + mdelay(1); + if ((regin_val >> 12) != REGIN_VALID) + break; + } + if (adapter->blcmd_timer_expired) { + rsi_dbg(ERR_ZONE, + "%s: Command %0x REGIN reading timed out..\n", + __func__, cmd); + return -ETIMEDOUT; + } + + rsi_dbg(INFO_ZONE, + "Issuing write to Regin val:%0x sending cmd:%0x\n", + regin_val, (cmd | regin_input << 8)); + status = hif_ops->master_reg_write(adapter, SWBL_REGIN, + (cmd | regin_input << 8), 2); + if (status < 0) + return status; + mdelay(1); + + if (cmd == LOAD_HOSTED_FW || cmd == JUMP_TO_ZERO_PC) { + /* JUMP_TO_ZERO_PC doesn't expect + * any response. So return from here + */ + return 0; + } + + while (!adapter->blcmd_timer_expired) { + regout_val = 0; + status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, + ®out_val, 2); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Command %0x REGOUT reading failed..\n", + __func__, cmd); + return status; + } + mdelay(1); + if ((regout_val >> 8) == REGOUT_VALID) + break; + } + if (adapter->blcmd_timer_expired) { + rsi_dbg(ERR_ZONE, + "%s: Command %0x REGOUT reading timed out..\n", + __func__, cmd); + return status; + } + + *cmd_resp = ((u16 *)®out_val)[0] & 0xffff; + + output = ((u8 *)®out_val)[0] & 0xff; + + status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, + (cmd | REGOUT_INVALID << 8), 2); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Command %0x REGOUT writing failed..\n", + __func__, cmd); + return status; + } + mdelay(1); + + if (output != exp_resp) { + rsi_dbg(ERR_ZONE, + "%s: Recvd resp %x for cmd %0x\n", + __func__, output, cmd); + return -EINVAL; + } + rsi_dbg(INFO_ZONE, + "%s: Recvd Expected resp %x for cmd %0x\n", + __func__, output, cmd); + + return 0; +} + +static int bl_cmd(struct rsi_hw *adapter, u8 cmd, u8 exp_resp, char *str) +{ + u16 regout_val = 0; + u32 timeout; + int status; + + if ((cmd == EOF_REACHED) || (cmd == PING_VALID) || (cmd == PONG_VALID)) + timeout = BL_BURN_TIMEOUT; + else + timeout = BL_CMD_TIMEOUT; + + bl_start_cmd_timer(adapter, timeout); + status = bl_write_cmd(adapter, cmd, exp_resp, ®out_val); + if (status < 0) { + bl_stop_cmd_timer(adapter); + rsi_dbg(ERR_ZONE, + "%s: Command %s (%0x) writing failed..\n", + __func__, str, cmd); + return status; + } + bl_stop_cmd_timer(adapter); + return 0; +} + +#define CHECK_SUM_OFFSET 20 +#define LEN_OFFSET 8 +#define ADDR_OFFSET 16 +static int bl_write_header(struct rsi_hw *adapter, u8 *flash_content, + u32 content_size) +{ + struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; + struct bl_header *bl_hdr; + u32 write_addr, write_len; + int status; + + bl_hdr = kzalloc(sizeof(*bl_hdr), GFP_KERNEL); + if (!bl_hdr) + return -ENOMEM; + + bl_hdr->flags = 0; + bl_hdr->image_no = cpu_to_le32(adapter->priv->coex_mode); + bl_hdr->check_sum = + cpu_to_le32(*(u32 *)&flash_content[CHECK_SUM_OFFSET]); + bl_hdr->flash_start_address = + cpu_to_le32(*(u32 *)&flash_content[ADDR_OFFSET]); + bl_hdr->flash_len = cpu_to_le32(*(u32 *)&flash_content[LEN_OFFSET]); + write_len = sizeof(struct bl_header); + + if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { + write_addr = PING_BUFFER_ADDRESS; + status = hif_ops->write_reg_multiple(adapter, write_addr, + (u8 *)bl_hdr, write_len); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Failed to load Version/CRC structure\n", + __func__); + goto fail; + } + } else { + write_addr = PING_BUFFER_ADDRESS >> 16; + status = hif_ops->master_access_msword(adapter, write_addr); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to set ms word to common reg\n", + __func__); + goto fail; + } + write_addr = RSI_SD_REQUEST_MASTER | + (PING_BUFFER_ADDRESS & 0xFFFF); + status = hif_ops->write_reg_multiple(adapter, write_addr, + (u8 *)bl_hdr, write_len); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "%s: Failed to load Version/CRC structure\n", + __func__); + goto fail; + } + } + status = 0; +fail: + kfree(bl_hdr); + return status; +} + +static u32 read_flash_capacity(struct rsi_hw *adapter) +{ + u32 flash_sz = 0; + + if ((adapter->host_intf_ops->master_reg_read(adapter, FLASH_SIZE_ADDR, + &flash_sz, 2)) < 0) { + rsi_dbg(ERR_ZONE, + "%s: Flash size reading failed..\n", + __func__); + return 0; + } + rsi_dbg(INIT_ZONE, "Flash capacity: %d KiloBytes\n", flash_sz); + + return (flash_sz * 1024); /* Return size in kbytes */ +} + +static int ping_pong_write(struct rsi_hw *adapter, u8 cmd, u8 *addr, u32 size) +{ + struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; + u32 block_size = adapter->block_size; + u32 cmd_addr; + u16 cmd_resp, cmd_req; + u8 *str; + int status; + + if (cmd == PING_WRITE) { + cmd_addr = PING_BUFFER_ADDRESS; + cmd_resp = PONG_AVAIL; + cmd_req = PING_VALID; + str = "PING_VALID"; + } else { + cmd_addr = PONG_BUFFER_ADDRESS; + cmd_resp = PING_AVAIL; + cmd_req = PONG_VALID; + str = "PONG_VALID"; + } + + status = hif_ops->load_data_master_write(adapter, cmd_addr, size, + block_size, addr); + if (status) { + rsi_dbg(ERR_ZONE, "%s: Unable to write blk at addr %0x\n", + __func__, *addr); + return status; + } + + status = bl_cmd(adapter, cmd_req, cmd_resp, str); + if (status) + return status; + + return 0; +} + +static int auto_fw_upgrade(struct rsi_hw *adapter, u8 *flash_content, + u32 content_size) +{ + u8 cmd; + u32 temp_content_size, num_flash, index; + u32 flash_start_address; + int status; + + if (content_size > MAX_FLASH_FILE_SIZE) { + rsi_dbg(ERR_ZONE, + "%s: Flash Content size is more than 400K %u\n", + __func__, MAX_FLASH_FILE_SIZE); + return -EINVAL; + } + + flash_start_address = *(u32 *)&flash_content[FLASH_START_ADDRESS]; + rsi_dbg(INFO_ZONE, "flash start address: %08x\n", flash_start_address); + + if (flash_start_address < FW_IMAGE_MIN_ADDRESS) { + rsi_dbg(ERR_ZONE, + "%s: Fw image Flash Start Address is less than 64K\n", + __func__); + return -EINVAL; + } + + if (flash_start_address % FLASH_SECTOR_SIZE) { + rsi_dbg(ERR_ZONE, + "%s: Flash Start Address is not multiple of 4K\n", + __func__); + return -EINVAL; + } + + if ((flash_start_address + content_size) > adapter->flash_capacity) { + rsi_dbg(ERR_ZONE, + "%s: Flash Content will cross max flash size\n", + __func__); + return -EINVAL; + } + + temp_content_size = content_size; + num_flash = content_size / FLASH_WRITE_CHUNK_SIZE; + + rsi_dbg(INFO_ZONE, "content_size: %d, num_flash: %d\n", + content_size, num_flash); + + for (index = 0; index <= num_flash; index++) { + rsi_dbg(INFO_ZONE, "flash index: %d\n", index); + if (index != num_flash) { + content_size = FLASH_WRITE_CHUNK_SIZE; + rsi_dbg(INFO_ZONE, "QSPI content_size:%d\n", + content_size); + } else { + content_size = + temp_content_size % FLASH_WRITE_CHUNK_SIZE; + rsi_dbg(INFO_ZONE, + "Writing last sector content_size:%d\n", + content_size); + if (!content_size) { + rsi_dbg(INFO_ZONE, "instruction size zero\n"); + break; + } + } + + if (index % 2) + cmd = PING_WRITE; + else + cmd = PONG_WRITE; + + status = ping_pong_write(adapter, cmd, flash_content, + content_size); + if (status) { + rsi_dbg(ERR_ZONE, "%s: Unable to load %d block\n", + __func__, index); + return status; + } + + rsi_dbg(INFO_ZONE, + "%s: Successfully loaded %d instructions\n", + __func__, index); + flash_content += content_size; + } + + status = bl_cmd(adapter, EOF_REACHED, FW_LOADING_SUCCESSFUL, + "EOF_REACHED"); + if (status) + return status; + + rsi_dbg(INFO_ZONE, "FW loading is done and FW is running..\n"); + return 0; +} + +static int rsi_hal_prepare_fwload(struct rsi_hw *adapter) +{ + struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; + u32 regout_val = 0; + int status; + + bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); + + while (!adapter->blcmd_timer_expired) { + status = hif_ops->master_reg_read(adapter, SWBL_REGOUT, + ®out_val, + RSI_COMMON_REG_SIZE); + if (status < 0) { + bl_stop_cmd_timer(adapter); + rsi_dbg(ERR_ZONE, + "%s: REGOUT read failed\n", __func__); + return status; + } + mdelay(1); + if ((regout_val >> 8) == REGOUT_VALID) + break; + } + if (adapter->blcmd_timer_expired) { + rsi_dbg(ERR_ZONE, "%s: REGOUT read timedout\n", __func__); + rsi_dbg(ERR_ZONE, + "%s: Soft boot loader not present\n", __func__); + return -ETIMEDOUT; + } + bl_stop_cmd_timer(adapter); + + rsi_dbg(INFO_ZONE, "Received Board Version Number: %x\n", + (regout_val & 0xff)); + + status = hif_ops->master_reg_write(adapter, SWBL_REGOUT, + (REGOUT_INVALID | + REGOUT_INVALID << 8), + RSI_COMMON_REG_SIZE); + if (status < 0) + rsi_dbg(ERR_ZONE, "%s: REGOUT writing failed..\n", __func__); + else + rsi_dbg(INFO_ZONE, + "===> Device is ready to load firmware <===\n"); + + return status; +} + +static int rsi_load_9113_firmware(struct rsi_hw *adapter) +{ + struct rsi_common *common = adapter->priv; + const struct firmware *fw_entry = NULL; + u32 content_size; + u16 tmp_regout_val = 0; + struct ta_metadata *metadata_p; + int status; + + status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, + "AUTO_READ_CMD"); + if (status < 0) + return status; + + adapter->flash_capacity = read_flash_capacity(adapter); + if (adapter->flash_capacity <= 0) { + rsi_dbg(ERR_ZONE, + "%s: Unable to read flash size from EEPROM\n", + __func__); + return -EINVAL; + } + + metadata_p = &metadata_flash_content[adapter->priv->coex_mode]; + + rsi_dbg(INIT_ZONE, "%s: Loading file %s\n", __func__, metadata_p->name); + adapter->fw_file_name = metadata_p->name; + + status = request_firmware(&fw_entry, metadata_p->name, adapter->device); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", + __func__, metadata_p->name); + return status; + } + content_size = fw_entry->size; + rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", content_size); + + /* Get the firmware version */ + common->lmac_ver.ver.info.fw_ver[0] = + fw_entry->data[LMAC_VER_OFFSET_9113] & 0xFF; + common->lmac_ver.ver.info.fw_ver[1] = + fw_entry->data[LMAC_VER_OFFSET_9113 + 1] & 0xFF; + common->lmac_ver.major = + fw_entry->data[LMAC_VER_OFFSET_9113 + 2] & 0xFF; + common->lmac_ver.release_num = + fw_entry->data[LMAC_VER_OFFSET_9113 + 3] & 0xFF; + common->lmac_ver.minor = + fw_entry->data[LMAC_VER_OFFSET_9113 + 4] & 0xFF; + common->lmac_ver.patch_num = 0; + rsi_print_version(common); + + status = bl_write_header(adapter, (u8 *)fw_entry->data, content_size); + if (status) { + rsi_dbg(ERR_ZONE, + "%s: RPS Image header loading failed\n", + __func__); + goto fail; + } + + bl_start_cmd_timer(adapter, BL_CMD_TIMEOUT); + status = bl_write_cmd(adapter, CHECK_CRC, CMD_PASS, &tmp_regout_val); + if (status) { + bl_stop_cmd_timer(adapter); + rsi_dbg(ERR_ZONE, + "%s: CHECK_CRC Command writing failed..\n", + __func__); + if ((tmp_regout_val & 0xff) == CMD_FAIL) { + rsi_dbg(ERR_ZONE, + "CRC Fail.. Proceeding to Upgrade mode\n"); + goto fw_upgrade; + } + } + bl_stop_cmd_timer(adapter); + + status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, "POLLING_MODE"); + if (status) + goto fail; + +load_image_cmd: + status = bl_cmd(adapter, LOAD_HOSTED_FW, LOADING_INITIATED, + "LOAD_HOSTED_FW"); + if (status) + goto fail; + rsi_dbg(INFO_ZONE, "Load Image command passed..\n"); + goto success; + +fw_upgrade: + status = bl_cmd(adapter, BURN_HOSTED_FW, SEND_RPS_FILE, "FW_UPGRADE"); + if (status) + goto fail; + + rsi_dbg(INFO_ZONE, "Burn Command Pass.. Upgrading the firmware\n"); + + status = auto_fw_upgrade(adapter, (u8 *)fw_entry->data, content_size); + if (status == 0) { + rsi_dbg(ERR_ZONE, "Firmware upgradation Done\n"); + goto load_image_cmd; + } + rsi_dbg(ERR_ZONE, "Firmware upgrade failed\n"); + + status = bl_cmd(adapter, CONFIG_AUTO_READ_MODE, CMD_PASS, + "AUTO_READ_MODE"); + if (status) + goto fail; + +success: + rsi_dbg(ERR_ZONE, "***** Firmware Loading successful *****\n"); + release_firmware(fw_entry); + return 0; + +fail: + rsi_dbg(ERR_ZONE, "##### Firmware loading failed #####\n"); + release_firmware(fw_entry); + return status; +} + +static int rsi_load_9116_firmware(struct rsi_hw *adapter) +{ + struct rsi_common *common = adapter->priv; + struct rsi_host_intf_ops *hif_ops = adapter->host_intf_ops; + const struct firmware *fw_entry; + struct ta_metadata *metadata_p; + u8 *ta_firmware, *fw_p; + struct bootload_ds bootload_ds; + u32 instructions_sz, base_address; + u16 block_size = adapter->block_size; + u32 dest, len; + int status, cnt; + + rsi_dbg(INIT_ZONE, "***** Load 9116 TA Instructions *****\n"); + + if (adapter->rsi_host_intf == RSI_HOST_INTF_USB) { + status = bl_cmd(adapter, POLLING_MODE, CMD_PASS, + "POLLING_MODE"); + if (status < 0) + return status; + } + + status = hif_ops->master_reg_write(adapter, MEM_ACCESS_CTRL_FROM_HOST, + RAM_384K_ACCESS_FROM_TA, + RSI_9116_REG_SIZE); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: Unable to access full RAM memory\n", + __func__); + return status; + } + + metadata_p = &metadata[adapter->priv->coex_mode]; + rsi_dbg(INIT_ZONE, "%s: loading file %s\n", __func__, metadata_p->name); + status = request_firmware(&fw_entry, metadata_p->name, adapter->device); + if (status < 0) { + rsi_dbg(ERR_ZONE, "%s: Failed to open file %s\n", + __func__, metadata_p->name); + return status; + } + + ta_firmware = kmemdup(fw_entry->data, fw_entry->size, GFP_KERNEL); + if (!ta_firmware) + goto fail_release_fw; + fw_p = ta_firmware; + instructions_sz = fw_entry->size; + rsi_dbg(INFO_ZONE, "FW Length = %d bytes\n", instructions_sz); + + common->lmac_ver.major = ta_firmware[LMAC_VER_OFFSET_9116]; + common->lmac_ver.minor = ta_firmware[LMAC_VER_OFFSET_9116 + 1]; + common->lmac_ver.release_num = ta_firmware[LMAC_VER_OFFSET_9116 + 2]; + common->lmac_ver.patch_num = ta_firmware[LMAC_VER_OFFSET_9116 + 3]; + common->lmac_ver.ver.info.fw_ver[0] = + ta_firmware[LMAC_VER_OFFSET_9116 + 4]; + + if (instructions_sz % FW_ALIGN_SIZE) + instructions_sz += + (FW_ALIGN_SIZE - (instructions_sz % FW_ALIGN_SIZE)); + rsi_dbg(INFO_ZONE, "instructions_sz : %d\n", instructions_sz); + + if (*(u16 *)fw_p == RSI_9116_FW_MAGIC_WORD) { + memcpy(&bootload_ds, fw_p, sizeof(struct bootload_ds)); + fw_p += le16_to_cpu(bootload_ds.offset); + rsi_dbg(INFO_ZONE, "FW start = %x\n", *(u32 *)fw_p); + + cnt = 0; + do { + rsi_dbg(ERR_ZONE, "%s: Loading chunk %d\n", + __func__, cnt); + + dest = le32_to_cpu(bootload_ds.bl_entry[cnt].dst_addr); + len = le32_to_cpu(bootload_ds.bl_entry[cnt].control) & + RSI_BL_CTRL_LEN_MASK; + rsi_dbg(INFO_ZONE, "length %d destination %x\n", + len, dest); + + status = hif_ops->load_data_master_write(adapter, dest, + len, + block_size, + fw_p); + if (status < 0) { + rsi_dbg(ERR_ZONE, + "Failed to load chunk %d\n", cnt); + break; + } + fw_p += len; + if (le32_to_cpu(bootload_ds.bl_entry[cnt].control) & + RSI_BL_CTRL_LAST_ENTRY) + break; + cnt++; + } while (1); + } else { + base_address = metadata_p->address; + status = hif_ops->load_data_master_write(adapter, + base_address, + instructions_sz, + block_size, + ta_firmware); + } + if (status) { + rsi_dbg(ERR_ZONE, + "%s: Unable to load %s blk\n", + __func__, metadata_p->name); + goto fail_free_fw; + } + + rsi_dbg(INIT_ZONE, "%s: Successfully loaded %s instructions\n", + __func__, metadata_p->name); + + if (adapter->rsi_host_intf == RSI_HOST_INTF_SDIO) { + if (hif_ops->ta_reset(adapter)) + rsi_dbg(ERR_ZONE, "Unable to put ta in reset\n"); + } else { + if (bl_cmd(adapter, JUMP_TO_ZERO_PC, + CMD_PASS, "JUMP_TO_ZERO") < 0) + rsi_dbg(INFO_ZONE, "Jump to zero command failed\n"); + else + rsi_dbg(INFO_ZONE, "Jump to zero command successful\n"); + } + +fail_free_fw: + kfree(ta_firmware); +fail_release_fw: + release_firmware(fw_entry); + + return status; +} + +int rsi_hal_device_init(struct rsi_hw *adapter) +{ + struct rsi_common *common = adapter->priv; + int status; + + switch (adapter->device_model) { + case RSI_DEV_9113: + status = rsi_hal_prepare_fwload(adapter); + if (status < 0) + return status; + if (rsi_load_9113_firmware(adapter)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to load TA instructions\n", + __func__); + return -EINVAL; + } + break; + case RSI_DEV_9116: + status = rsi_hal_prepare_fwload(adapter); + if (status < 0) + return status; + if (rsi_load_9116_firmware(adapter)) { + rsi_dbg(ERR_ZONE, + "%s: Failed to load firmware to 9116 device\n", + __func__); + return -EINVAL; + } + break; + default: + return -EINVAL; + } + common->fsm_state = FSM_CARD_NOT_READY; + + return 0; +} +EXPORT_SYMBOL_GPL(rsi_hal_device_init); + |