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path: root/drivers/net/wireless/realtek/rtw88/fw.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/fw.c')
-rw-r--r--drivers/net/wireless/realtek/rtw88/fw.c800
1 files changed, 800 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/fw.c b/drivers/net/wireless/realtek/rtw88/fw.c
new file mode 100644
index 0000000..35dbdb3
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtw88/fw.c
@@ -0,0 +1,800 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
+/* Copyright(c) 2018-2019 Realtek Corporation
+ */
+
+#include "main.h"
+#include "coex.h"
+#include "fw.h"
+#include "tx.h"
+#include "reg.h"
+#include "debug.h"
+
+static void rtw_fw_c2h_cmd_handle_ext(struct rtw_dev *rtwdev,
+ struct sk_buff *skb)
+{
+ struct rtw_c2h_cmd *c2h;
+ u8 sub_cmd_id;
+
+ c2h = get_c2h_from_skb(skb);
+ sub_cmd_id = c2h->payload[0];
+
+ switch (sub_cmd_id) {
+ case C2H_CCX_RPT:
+ rtw_tx_report_handle(rtwdev, skb);
+ break;
+ default:
+ break;
+ }
+}
+
+void rtw_fw_c2h_cmd_handle(struct rtw_dev *rtwdev, struct sk_buff *skb)
+{
+ struct rtw_c2h_cmd *c2h;
+ u32 pkt_offset;
+ u8 len;
+
+ pkt_offset = *((u32 *)skb->cb);
+ c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
+ len = skb->len - pkt_offset - 2;
+
+ mutex_lock(&rtwdev->mutex);
+
+ switch (c2h->id) {
+ case C2H_BT_INFO:
+ rtw_coex_bt_info_notify(rtwdev, c2h->payload, len);
+ break;
+ case C2H_WLAN_INFO:
+ rtw_coex_wl_fwdbginfo_notify(rtwdev, c2h->payload, len);
+ break;
+ case C2H_HALMAC:
+ rtw_fw_c2h_cmd_handle_ext(rtwdev, skb);
+ break;
+ default:
+ break;
+ }
+
+ mutex_unlock(&rtwdev->mutex);
+}
+
+void rtw_fw_c2h_cmd_rx_irqsafe(struct rtw_dev *rtwdev, u32 pkt_offset,
+ struct sk_buff *skb)
+{
+ struct rtw_c2h_cmd *c2h;
+ u8 len;
+
+ c2h = (struct rtw_c2h_cmd *)(skb->data + pkt_offset);
+ len = skb->len - pkt_offset - 2;
+ *((u32 *)skb->cb) = pkt_offset;
+
+ rtw_dbg(rtwdev, RTW_DBG_FW, "recv C2H, id=0x%02x, seq=0x%02x, len=%d\n",
+ c2h->id, c2h->seq, len);
+
+ switch (c2h->id) {
+ case C2H_BT_MP_INFO:
+ rtw_coex_info_response(rtwdev, skb);
+ break;
+ default:
+ /* pass offset for further operation */
+ *((u32 *)skb->cb) = pkt_offset;
+ skb_queue_tail(&rtwdev->c2h_queue, skb);
+ ieee80211_queue_work(rtwdev->hw, &rtwdev->c2h_work);
+ break;
+ }
+}
+EXPORT_SYMBOL(rtw_fw_c2h_cmd_rx_irqsafe);
+
+static void rtw_fw_send_h2c_command(struct rtw_dev *rtwdev,
+ u8 *h2c)
+{
+ u8 box;
+ u8 box_state;
+ u32 box_reg, box_ex_reg;
+ u32 h2c_wait;
+ int idx;
+
+ rtw_dbg(rtwdev, RTW_DBG_FW,
+ "send H2C content %02x%02x%02x%02x %02x%02x%02x%02x\n",
+ h2c[3], h2c[2], h2c[1], h2c[0],
+ h2c[7], h2c[6], h2c[5], h2c[4]);
+
+ spin_lock(&rtwdev->h2c.lock);
+
+ box = rtwdev->h2c.last_box_num;
+ switch (box) {
+ case 0:
+ box_reg = REG_HMEBOX0;
+ box_ex_reg = REG_HMEBOX0_EX;
+ break;
+ case 1:
+ box_reg = REG_HMEBOX1;
+ box_ex_reg = REG_HMEBOX1_EX;
+ break;
+ case 2:
+ box_reg = REG_HMEBOX2;
+ box_ex_reg = REG_HMEBOX2_EX;
+ break;
+ case 3:
+ box_reg = REG_HMEBOX3;
+ box_ex_reg = REG_HMEBOX3_EX;
+ break;
+ default:
+ WARN(1, "invalid h2c mail box number\n");
+ goto out;
+ }
+
+ h2c_wait = 20;
+ do {
+ box_state = rtw_read8(rtwdev, REG_HMETFR);
+ } while ((box_state >> box) & 0x1 && --h2c_wait > 0);
+
+ if (!h2c_wait) {
+ rtw_err(rtwdev, "failed to send h2c command\n");
+ goto out;
+ }
+
+ for (idx = 0; idx < 4; idx++)
+ rtw_write8(rtwdev, box_reg + idx, h2c[idx]);
+ for (idx = 0; idx < 4; idx++)
+ rtw_write8(rtwdev, box_ex_reg + idx, h2c[idx + 4]);
+
+ if (++rtwdev->h2c.last_box_num >= 4)
+ rtwdev->h2c.last_box_num = 0;
+
+out:
+ spin_unlock(&rtwdev->h2c.lock);
+}
+
+static void rtw_fw_send_h2c_packet(struct rtw_dev *rtwdev, u8 *h2c_pkt)
+{
+ int ret;
+
+ spin_lock(&rtwdev->h2c.lock);
+
+ FW_OFFLOAD_H2C_SET_SEQ_NUM(h2c_pkt, rtwdev->h2c.seq);
+ ret = rtw_hci_write_data_h2c(rtwdev, h2c_pkt, H2C_PKT_SIZE);
+ if (ret)
+ rtw_err(rtwdev, "failed to send h2c packet\n");
+ rtwdev->h2c.seq++;
+
+ spin_unlock(&rtwdev->h2c.lock);
+}
+
+void
+rtw_fw_send_general_info(struct rtw_dev *rtwdev)
+{
+ struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u16 total_size = H2C_PKT_HDR_SIZE + 4;
+
+ rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_GENERAL_INFO);
+
+ SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
+
+ GENERAL_INFO_SET_FW_TX_BOUNDARY(h2c_pkt,
+ fifo->rsvd_fw_txbuf_addr -
+ fifo->rsvd_boundary);
+
+ rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
+}
+
+void
+rtw_fw_send_phydm_info(struct rtw_dev *rtwdev)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ struct rtw_efuse *efuse = &rtwdev->efuse;
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u16 total_size = H2C_PKT_HDR_SIZE + 8;
+ u8 fw_rf_type = 0;
+
+ if (hal->rf_type == RF_1T1R)
+ fw_rf_type = FW_RF_1T1R;
+ else if (hal->rf_type == RF_2T2R)
+ fw_rf_type = FW_RF_2T2R;
+
+ rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_PHYDM_INFO);
+
+ SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
+ PHYDM_INFO_SET_REF_TYPE(h2c_pkt, efuse->rfe_option);
+ PHYDM_INFO_SET_RF_TYPE(h2c_pkt, fw_rf_type);
+ PHYDM_INFO_SET_CUT_VER(h2c_pkt, hal->cut_version);
+ PHYDM_INFO_SET_RX_ANT_STATUS(h2c_pkt, hal->antenna_tx);
+ PHYDM_INFO_SET_TX_ANT_STATUS(h2c_pkt, hal->antenna_rx);
+
+ rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_do_iqk(struct rtw_dev *rtwdev, struct rtw_iqk_para *para)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u16 total_size = H2C_PKT_HDR_SIZE + 1;
+
+ rtw_h2c_pkt_set_header(h2c_pkt, H2C_PKT_IQK);
+ SET_PKT_H2C_TOTAL_LEN(h2c_pkt, total_size);
+ IQK_SET_CLEAR(h2c_pkt, para->clear);
+ IQK_SET_SEGMENT_IQK(h2c_pkt, para->segment_iqk);
+
+ rtw_fw_send_h2c_packet(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_query_bt_info(struct rtw_dev *rtwdev)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_INFO);
+
+ SET_QUERY_BT_INFO(h2c_pkt, true);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_wl_ch_info(struct rtw_dev *rtwdev, u8 link, u8 ch, u8 bw)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_WL_CH_INFO);
+
+ SET_WL_CH_INFO_LINK(h2c_pkt, link);
+ SET_WL_CH_INFO_CHNL(h2c_pkt, ch);
+ SET_WL_CH_INFO_BW(h2c_pkt, bw);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_query_bt_mp_info(struct rtw_dev *rtwdev,
+ struct rtw_coex_info_req *req)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_QUERY_BT_MP_INFO);
+
+ SET_BT_MP_INFO_SEQ(h2c_pkt, req->seq);
+ SET_BT_MP_INFO_OP_CODE(h2c_pkt, req->op_code);
+ SET_BT_MP_INFO_PARA1(h2c_pkt, req->para1);
+ SET_BT_MP_INFO_PARA2(h2c_pkt, req->para2);
+ SET_BT_MP_INFO_PARA3(h2c_pkt, req->para3);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_force_bt_tx_power(struct rtw_dev *rtwdev, u8 bt_pwr_dec_lvl)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u8 index = 0 - bt_pwr_dec_lvl;
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_FORCE_BT_TX_POWER);
+
+ SET_BT_TX_POWER_INDEX(h2c_pkt, index);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_bt_ignore_wlan_action(struct rtw_dev *rtwdev, bool enable)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_IGNORE_WLAN_ACTION);
+
+ SET_IGNORE_WLAN_ACTION_EN(h2c_pkt, enable);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_coex_tdma_type(struct rtw_dev *rtwdev,
+ u8 para1, u8 para2, u8 para3, u8 para4, u8 para5)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_COEX_TDMA_TYPE);
+
+ SET_COEX_TDMA_TYPE_PARA1(h2c_pkt, para1);
+ SET_COEX_TDMA_TYPE_PARA2(h2c_pkt, para2);
+ SET_COEX_TDMA_TYPE_PARA3(h2c_pkt, para3);
+ SET_COEX_TDMA_TYPE_PARA4(h2c_pkt, para4);
+ SET_COEX_TDMA_TYPE_PARA5(h2c_pkt, para5);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_bt_wifi_control(struct rtw_dev *rtwdev, u8 op_code, u8 *data)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_BT_WIFI_CONTROL);
+
+ SET_BT_WIFI_CONTROL_OP_CODE(h2c_pkt, op_code);
+
+ SET_BT_WIFI_CONTROL_DATA1(h2c_pkt, *data);
+ SET_BT_WIFI_CONTROL_DATA2(h2c_pkt, *(data + 1));
+ SET_BT_WIFI_CONTROL_DATA3(h2c_pkt, *(data + 2));
+ SET_BT_WIFI_CONTROL_DATA4(h2c_pkt, *(data + 3));
+ SET_BT_WIFI_CONTROL_DATA5(h2c_pkt, *(data + 4));
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_send_rssi_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u8 rssi = ewma_rssi_read(&si->avg_rssi);
+ bool stbc_en = si->stbc_en ? true : false;
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSSI_MONITOR);
+
+ SET_RSSI_INFO_MACID(h2c_pkt, si->mac_id);
+ SET_RSSI_INFO_RSSI(h2c_pkt, rssi);
+ SET_RSSI_INFO_STBC(h2c_pkt, stbc_en);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_send_ra_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ bool no_update = si->updated;
+ bool disable_pt = true;
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RA_INFO);
+
+ SET_RA_INFO_MACID(h2c_pkt, si->mac_id);
+ SET_RA_INFO_RATE_ID(h2c_pkt, si->rate_id);
+ SET_RA_INFO_INIT_RA_LVL(h2c_pkt, si->init_ra_lv);
+ SET_RA_INFO_SGI_EN(h2c_pkt, si->sgi_enable);
+ SET_RA_INFO_BW_MODE(h2c_pkt, si->bw_mode);
+ SET_RA_INFO_LDPC(h2c_pkt, si->ldpc_en);
+ SET_RA_INFO_NO_UPDATE(h2c_pkt, no_update);
+ SET_RA_INFO_VHT_EN(h2c_pkt, si->vht_enable);
+ SET_RA_INFO_DIS_PT(h2c_pkt, disable_pt);
+ SET_RA_INFO_RA_MASK0(h2c_pkt, (si->ra_mask & 0xff));
+ SET_RA_INFO_RA_MASK1(h2c_pkt, (si->ra_mask & 0xff00) >> 8);
+ SET_RA_INFO_RA_MASK2(h2c_pkt, (si->ra_mask & 0xff0000) >> 16);
+ SET_RA_INFO_RA_MASK3(h2c_pkt, (si->ra_mask & 0xff000000) >> 24);
+
+ si->init_ra_lv = 0;
+ si->updated = true;
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_media_status_report(struct rtw_dev *rtwdev, u8 mac_id, bool connect)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_MEDIA_STATUS_RPT);
+ MEDIA_STATUS_RPT_SET_OP_MODE(h2c_pkt, connect);
+ MEDIA_STATUS_RPT_SET_MACID(h2c_pkt, mac_id);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+void rtw_fw_set_pwr_mode(struct rtw_dev *rtwdev)
+{
+ struct rtw_lps_conf *conf = &rtwdev->lps_conf;
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_SET_PWR_MODE);
+
+ SET_PWR_MODE_SET_MODE(h2c_pkt, conf->mode);
+ SET_PWR_MODE_SET_RLBM(h2c_pkt, conf->rlbm);
+ SET_PWR_MODE_SET_SMART_PS(h2c_pkt, conf->smart_ps);
+ SET_PWR_MODE_SET_AWAKE_INTERVAL(h2c_pkt, conf->awake_interval);
+ SET_PWR_MODE_SET_PORT_ID(h2c_pkt, conf->port_id);
+ SET_PWR_MODE_SET_PWR_STATE(h2c_pkt, conf->state);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+static u8 rtw_get_rsvd_page_location(struct rtw_dev *rtwdev,
+ enum rtw_rsvd_packet_type type)
+{
+ struct rtw_rsvd_page *rsvd_pkt;
+ u8 location = 0;
+
+ list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, list) {
+ if (type == rsvd_pkt->type)
+ location = rsvd_pkt->page;
+ }
+
+ return location;
+}
+
+void rtw_send_rsvd_page_h2c(struct rtw_dev *rtwdev)
+{
+ u8 h2c_pkt[H2C_PKT_SIZE] = {0};
+ u8 location = 0;
+
+ SET_H2C_CMD_ID_CLASS(h2c_pkt, H2C_CMD_RSVD_PAGE);
+
+ location = rtw_get_rsvd_page_location(rtwdev, RSVD_PROBE_RESP);
+ *(h2c_pkt + 1) = location;
+ rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PROBE_RESP loc: %d\n", location);
+
+ location = rtw_get_rsvd_page_location(rtwdev, RSVD_PS_POLL);
+ *(h2c_pkt + 2) = location;
+ rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_PS_POLL loc: %d\n", location);
+
+ location = rtw_get_rsvd_page_location(rtwdev, RSVD_NULL);
+ *(h2c_pkt + 3) = location;
+ rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_NULL loc: %d\n", location);
+
+ location = rtw_get_rsvd_page_location(rtwdev, RSVD_QOS_NULL);
+ *(h2c_pkt + 4) = location;
+ rtw_dbg(rtwdev, RTW_DBG_FW, "RSVD_QOS_NULL loc: %d\n", location);
+
+ rtw_fw_send_h2c_command(rtwdev, h2c_pkt);
+}
+
+static struct sk_buff *
+rtw_beacon_get(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+ struct sk_buff *skb_new;
+
+ if (vif->type != NL80211_IFTYPE_AP &&
+ vif->type != NL80211_IFTYPE_ADHOC &&
+ !ieee80211_vif_is_mesh(vif)) {
+ skb_new = alloc_skb(1, GFP_KERNEL);
+ if (!skb_new)
+ return NULL;
+ skb_put(skb_new, 1);
+ } else {
+ skb_new = ieee80211_beacon_get(hw, vif);
+ }
+
+ return skb_new;
+}
+
+static struct sk_buff *rtw_get_rsvd_page_skb(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum rtw_rsvd_packet_type type)
+{
+ struct sk_buff *skb_new;
+
+ switch (type) {
+ case RSVD_BEACON:
+ skb_new = rtw_beacon_get(hw, vif);
+ break;
+ case RSVD_PS_POLL:
+ skb_new = ieee80211_pspoll_get(hw, vif);
+ break;
+ case RSVD_PROBE_RESP:
+ skb_new = ieee80211_proberesp_get(hw, vif);
+ break;
+ case RSVD_NULL:
+ skb_new = ieee80211_nullfunc_get(hw, vif, false);
+ break;
+ case RSVD_QOS_NULL:
+ skb_new = ieee80211_nullfunc_get(hw, vif, true);
+ break;
+ default:
+ return NULL;
+ }
+
+ if (!skb_new)
+ return NULL;
+
+ return skb_new;
+}
+
+static void rtw_fill_rsvd_page_desc(struct rtw_dev *rtwdev, struct sk_buff *skb)
+{
+ struct rtw_tx_pkt_info pkt_info;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ u8 *pkt_desc;
+
+ memset(&pkt_info, 0, sizeof(pkt_info));
+ rtw_rsvd_page_pkt_info_update(rtwdev, &pkt_info, skb);
+ pkt_desc = skb_push(skb, chip->tx_pkt_desc_sz);
+ memset(pkt_desc, 0, chip->tx_pkt_desc_sz);
+ rtw_tx_fill_tx_desc(&pkt_info, skb);
+}
+
+static inline u8 rtw_len_to_page(unsigned int len, u8 page_size)
+{
+ return DIV_ROUND_UP(len, page_size);
+}
+
+static void rtw_rsvd_page_list_to_buf(struct rtw_dev *rtwdev, u8 page_size,
+ u8 page_margin, u32 page, u8 *buf,
+ struct rtw_rsvd_page *rsvd_pkt)
+{
+ struct sk_buff *skb = rsvd_pkt->skb;
+
+ if (page >= 1)
+ memcpy(buf + page_margin + page_size * (page - 1),
+ skb->data, skb->len);
+ else
+ memcpy(buf, skb->data, skb->len);
+}
+
+void rtw_add_rsvd_page(struct rtw_dev *rtwdev, enum rtw_rsvd_packet_type type,
+ bool txdesc)
+{
+ struct rtw_rsvd_page *rsvd_pkt;
+
+ lockdep_assert_held(&rtwdev->mutex);
+
+ list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, list) {
+ if (rsvd_pkt->type == type)
+ return;
+ }
+
+ rsvd_pkt = kmalloc(sizeof(*rsvd_pkt), GFP_KERNEL);
+ if (!rsvd_pkt)
+ return;
+
+ rsvd_pkt->type = type;
+ rsvd_pkt->add_txdesc = txdesc;
+ list_add_tail(&rsvd_pkt->list, &rtwdev->rsvd_page_list);
+}
+
+void rtw_reset_rsvd_page(struct rtw_dev *rtwdev)
+{
+ struct rtw_rsvd_page *rsvd_pkt, *tmp;
+
+ lockdep_assert_held(&rtwdev->mutex);
+
+ list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, list) {
+ if (rsvd_pkt->type == RSVD_BEACON)
+ continue;
+ list_del(&rsvd_pkt->list);
+ kfree(rsvd_pkt);
+ }
+}
+
+int rtw_fw_write_data_rsvd_page(struct rtw_dev *rtwdev, u16 pg_addr,
+ u8 *buf, u32 size)
+{
+ u8 bckp[2];
+ u8 val;
+ u16 rsvd_pg_head;
+ int ret;
+
+ lockdep_assert_held(&rtwdev->mutex);
+
+ if (!size)
+ return -EINVAL;
+
+ pg_addr &= BIT_MASK_BCN_HEAD_1_V1;
+ rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2, pg_addr | BIT_BCN_VALID_V1);
+
+ val = rtw_read8(rtwdev, REG_CR + 1);
+ bckp[0] = val;
+ val |= BIT_ENSWBCN >> 8;
+ rtw_write8(rtwdev, REG_CR + 1, val);
+
+ val = rtw_read8(rtwdev, REG_FWHW_TXQ_CTRL + 2);
+ bckp[1] = val;
+ val &= ~(BIT_EN_BCNQ_DL >> 16);
+ rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, val);
+
+ ret = rtw_hci_write_data_rsvd_page(rtwdev, buf, size);
+ if (ret) {
+ rtw_err(rtwdev, "failed to write data to rsvd page\n");
+ goto restore;
+ }
+
+ if (!check_hw_ready(rtwdev, REG_FIFOPAGE_CTRL_2, BIT_BCN_VALID_V1, 1)) {
+ rtw_err(rtwdev, "error beacon valid\n");
+ ret = -EBUSY;
+ }
+
+restore:
+ rsvd_pg_head = rtwdev->fifo.rsvd_boundary;
+ rtw_write16(rtwdev, REG_FIFOPAGE_CTRL_2,
+ rsvd_pg_head | BIT_BCN_VALID_V1);
+ rtw_write8(rtwdev, REG_FWHW_TXQ_CTRL + 2, bckp[1]);
+ rtw_write8(rtwdev, REG_CR + 1, bckp[0]);
+
+ return ret;
+}
+
+static int rtw_download_drv_rsvd_page(struct rtw_dev *rtwdev, u8 *buf, u32 size)
+{
+ u32 pg_size;
+ u32 pg_num = 0;
+ u16 pg_addr = 0;
+
+ pg_size = rtwdev->chip->page_size;
+ pg_num = size / pg_size + ((size & (pg_size - 1)) ? 1 : 0);
+ if (pg_num > rtwdev->fifo.rsvd_drv_pg_num)
+ return -ENOMEM;
+
+ pg_addr = rtwdev->fifo.rsvd_drv_addr;
+
+ return rtw_fw_write_data_rsvd_page(rtwdev, pg_addr, buf, size);
+}
+
+static u8 *rtw_build_rsvd_page(struct rtw_dev *rtwdev,
+ struct ieee80211_vif *vif, u32 *size)
+{
+ struct ieee80211_hw *hw = rtwdev->hw;
+ struct rtw_chip_info *chip = rtwdev->chip;
+ struct sk_buff *iter;
+ struct rtw_rsvd_page *rsvd_pkt;
+ u32 page = 0;
+ u8 total_page = 0;
+ u8 page_size, page_margin, tx_desc_sz;
+ u8 *buf;
+
+ page_size = chip->page_size;
+ tx_desc_sz = chip->tx_pkt_desc_sz;
+ page_margin = page_size - tx_desc_sz;
+
+ list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, list) {
+ iter = rtw_get_rsvd_page_skb(hw, vif, rsvd_pkt->type);
+ if (!iter) {
+ rtw_err(rtwdev, "failed to build rsvd packet\n");
+ goto release_skb;
+ }
+
+ /* Fill the tx_desc for the rsvd pkt that requires one.
+ * And iter->len will be added with size of tx_desc_sz.
+ */
+ if (rsvd_pkt->add_txdesc)
+ rtw_fill_rsvd_page_desc(rtwdev, iter);
+
+ rsvd_pkt->skb = iter;
+ rsvd_pkt->page = total_page;
+
+ /* Reserved page is downloaded via TX path, and TX path will
+ * generate a tx_desc at the header to describe length of
+ * the buffer. If we are not counting page numbers with the
+ * size of tx_desc added at the first rsvd_pkt (usually a
+ * beacon, firmware default refer to the first page as the
+ * content of beacon), we could generate a buffer which size
+ * is smaller than the actual size of the whole rsvd_page
+ */
+ if (total_page == 0) {
+ if (rsvd_pkt->type != RSVD_BEACON) {
+ rtw_err(rtwdev, "first page should be a beacon\n");
+ goto release_skb;
+ }
+ total_page += rtw_len_to_page(iter->len + tx_desc_sz,
+ page_size);
+ } else {
+ total_page += rtw_len_to_page(iter->len, page_size);
+ }
+ }
+
+ if (total_page > rtwdev->fifo.rsvd_drv_pg_num) {
+ rtw_err(rtwdev, "rsvd page over size: %d\n", total_page);
+ goto release_skb;
+ }
+
+ *size = (total_page - 1) * page_size + page_margin;
+ buf = kzalloc(*size, GFP_KERNEL);
+ if (!buf)
+ goto release_skb;
+
+ /* Copy the content of each rsvd_pkt to the buf, and they should
+ * be aligned to the pages.
+ *
+ * Note that the first rsvd_pkt is a beacon no matter what vif->type.
+ * And that rsvd_pkt does not require tx_desc because when it goes
+ * through TX path, the TX path will generate one for it.
+ */
+ list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, list) {
+ rtw_rsvd_page_list_to_buf(rtwdev, page_size, page_margin,
+ page, buf, rsvd_pkt);
+ if (page == 0)
+ page += rtw_len_to_page(rsvd_pkt->skb->len +
+ tx_desc_sz, page_size);
+ else
+ page += rtw_len_to_page(rsvd_pkt->skb->len, page_size);
+
+ kfree_skb(rsvd_pkt->skb);
+ }
+
+ return buf;
+
+release_skb:
+ list_for_each_entry(rsvd_pkt, &rtwdev->rsvd_page_list, list)
+ kfree_skb(rsvd_pkt->skb);
+
+ return NULL;
+}
+
+static int
+rtw_download_beacon(struct rtw_dev *rtwdev, struct ieee80211_vif *vif)
+{
+ struct ieee80211_hw *hw = rtwdev->hw;
+ struct sk_buff *skb;
+ int ret = 0;
+
+ skb = rtw_beacon_get(hw, vif);
+ if (!skb) {
+ rtw_err(rtwdev, "failed to get beacon skb\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = rtw_download_drv_rsvd_page(rtwdev, skb->data, skb->len);
+ if (ret)
+ rtw_err(rtwdev, "failed to download drv rsvd page\n");
+
+ dev_kfree_skb(skb);
+
+out:
+ return ret;
+}
+
+int rtw_fw_download_rsvd_page(struct rtw_dev *rtwdev, struct ieee80211_vif *vif)
+{
+ u8 *buf;
+ u32 size;
+ int ret;
+
+ buf = rtw_build_rsvd_page(rtwdev, vif, &size);
+ if (!buf) {
+ rtw_err(rtwdev, "failed to build rsvd page pkt\n");
+ return -ENOMEM;
+ }
+
+ ret = rtw_download_drv_rsvd_page(rtwdev, buf, size);
+ if (ret) {
+ rtw_err(rtwdev, "failed to download drv rsvd page\n");
+ goto free;
+ }
+
+ /* The last thing is to download the *ONLY* beacon again, because
+ * the previous tx_desc is to describe the total rsvd page. Download
+ * the beacon again to replace the TX desc header, and we will get
+ * a correct tx_desc for the beacon in the rsvd page.
+ */
+ ret = rtw_download_beacon(rtwdev, vif);
+ if (ret) {
+ rtw_err(rtwdev, "failed to download beacon\n");
+ goto free;
+ }
+
+free:
+ kfree(buf);
+
+ return ret;
+}
+
+int rtw_dump_drv_rsvd_page(struct rtw_dev *rtwdev,
+ u32 offset, u32 size, u32 *buf)
+{
+ struct rtw_fifo_conf *fifo = &rtwdev->fifo;
+ u32 residue, i;
+ u16 start_pg;
+ u16 idx = 0;
+ u16 ctl;
+ u8 rcr;
+
+ if (size & 0x3) {
+ rtw_warn(rtwdev, "should be 4-byte aligned\n");
+ return -EINVAL;
+ }
+
+ offset += fifo->rsvd_boundary << TX_PAGE_SIZE_SHIFT;
+ residue = offset & (FIFO_PAGE_SIZE - 1);
+ start_pg = offset >> FIFO_PAGE_SIZE_SHIFT;
+ start_pg += RSVD_PAGE_START_ADDR;
+
+ rcr = rtw_read8(rtwdev, REG_RCR + 2);
+ ctl = rtw_read16(rtwdev, REG_PKTBUF_DBG_CTRL) & 0xf000;
+
+ /* disable rx clock gate */
+ rtw_write8(rtwdev, REG_RCR, rcr | BIT(3));
+
+ do {
+ rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, start_pg | ctl);
+
+ for (i = FIFO_DUMP_ADDR + residue;
+ i < FIFO_DUMP_ADDR + FIFO_PAGE_SIZE; i += 4) {
+ buf[idx++] = rtw_read32(rtwdev, i);
+ size -= 4;
+ if (size == 0)
+ goto out;
+ }
+
+ residue = 0;
+ start_pg++;
+ } while (size);
+
+out:
+ rtw_write16(rtwdev, REG_PKTBUF_DBG_CTRL, ctl);
+ rtw_write8(rtwdev, REG_RCR + 2, rcr);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-19 19:33:06 +0000