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path: root/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
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Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c')
-rw-r--r--drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c396
1 files changed, 396 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
new file mode 100644
index 000000000..4f93f8871
--- /dev/null
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c
@@ -0,0 +1,396 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * RTL8XXXU mac80211 USB driver - 8723a specific subdriver
+ *
+ * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com>
+ *
+ * Portions, notably calibration code:
+ * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
+ *
+ * This driver was written as a replacement for the vendor provided
+ * rtl8723au driver. As the Realtek 8xxx chips are very similar in
+ * their programming interface, I have started adding support for
+ * additional 8xxx chips like the 8192cu, 8188cus, etc.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/list.h>
+#include <linux/usb.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/ethtool.h>
+#include <linux/wireless.h>
+#include <linux/firmware.h>
+#include <linux/moduleparam.h>
+#include <net/mac80211.h>
+#include "rtl8xxxu.h"
+#include "rtl8xxxu_regs.h"
+
+static struct rtl8xxxu_power_base rtl8723a_power_base = {
+ .reg_0e00 = 0x0a0c0c0c,
+ .reg_0e04 = 0x02040608,
+ .reg_0e08 = 0x00000000,
+ .reg_086c = 0x00000000,
+
+ .reg_0e10 = 0x0a0c0d0e,
+ .reg_0e14 = 0x02040608,
+ .reg_0e18 = 0x0a0c0d0e,
+ .reg_0e1c = 0x02040608,
+
+ .reg_0830 = 0x0a0c0c0c,
+ .reg_0834 = 0x02040608,
+ .reg_0838 = 0x00000000,
+ .reg_086c_2 = 0x00000000,
+
+ .reg_083c = 0x0a0c0d0e,
+ .reg_0848 = 0x02040608,
+ .reg_084c = 0x0a0c0d0e,
+ .reg_0868 = 0x02040608,
+};
+
+static struct rtl8xxxu_rfregval rtl8723au_radioa_1t_init_table[] = {
+ {0x00, 0x00030159}, {0x01, 0x00031284},
+ {0x02, 0x00098000}, {0x03, 0x00039c63},
+ {0x04, 0x000210e7}, {0x09, 0x0002044f},
+ {0x0a, 0x0001a3f1}, {0x0b, 0x00014787},
+ {0x0c, 0x000896fe}, {0x0d, 0x0000e02c},
+ {0x0e, 0x00039ce7}, {0x0f, 0x00000451},
+ {0x19, 0x00000000}, {0x1a, 0x00030355},
+ {0x1b, 0x00060a00}, {0x1c, 0x000fc378},
+ {0x1d, 0x000a1250}, {0x1e, 0x0000024f},
+ {0x1f, 0x00000000}, {0x20, 0x0000b614},
+ {0x21, 0x0006c000}, {0x22, 0x00000000},
+ {0x23, 0x00001558}, {0x24, 0x00000060},
+ {0x25, 0x00000483}, {0x26, 0x0004f000},
+ {0x27, 0x000ec7d9}, {0x28, 0x00057730},
+ {0x29, 0x00004783}, {0x2a, 0x00000001},
+ {0x2b, 0x00021334}, {0x2a, 0x00000000},
+ {0x2b, 0x00000054}, {0x2a, 0x00000001},
+ {0x2b, 0x00000808}, {0x2b, 0x00053333},
+ {0x2c, 0x0000000c}, {0x2a, 0x00000002},
+ {0x2b, 0x00000808}, {0x2b, 0x0005b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000003},
+ {0x2b, 0x00000808}, {0x2b, 0x00063333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000004},
+ {0x2b, 0x00000808}, {0x2b, 0x0006b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000005},
+ {0x2b, 0x00000808}, {0x2b, 0x00073333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000006},
+ {0x2b, 0x00000709}, {0x2b, 0x0005b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000007},
+ {0x2b, 0x00000709}, {0x2b, 0x00063333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000008},
+ {0x2b, 0x0000060a}, {0x2b, 0x0004b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x00000009},
+ {0x2b, 0x0000060a}, {0x2b, 0x00053333},
+ {0x2c, 0x0000000d}, {0x2a, 0x0000000a},
+ {0x2b, 0x0000060a}, {0x2b, 0x0005b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x0000000b},
+ {0x2b, 0x0000060a}, {0x2b, 0x00063333},
+ {0x2c, 0x0000000d}, {0x2a, 0x0000000c},
+ {0x2b, 0x0000060a}, {0x2b, 0x0006b333},
+ {0x2c, 0x0000000d}, {0x2a, 0x0000000d},
+ {0x2b, 0x0000060a}, {0x2b, 0x00073333},
+ {0x2c, 0x0000000d}, {0x2a, 0x0000000e},
+ {0x2b, 0x0000050b}, {0x2b, 0x00066666},
+ {0x2c, 0x0000001a}, {0x2a, 0x000e0000},
+ {0x10, 0x0004000f}, {0x11, 0x000e31fc},
+ {0x10, 0x0006000f}, {0x11, 0x000ff9f8},
+ {0x10, 0x0002000f}, {0x11, 0x000203f9},
+ {0x10, 0x0003000f}, {0x11, 0x000ff500},
+ {0x10, 0x00000000}, {0x11, 0x00000000},
+ {0x10, 0x0008000f}, {0x11, 0x0003f100},
+ {0x10, 0x0009000f}, {0x11, 0x00023100},
+ {0x12, 0x00032000}, {0x12, 0x00071000},
+ {0x12, 0x000b0000}, {0x12, 0x000fc000},
+ {0x13, 0x000287b3}, {0x13, 0x000244b7},
+ {0x13, 0x000204ab}, {0x13, 0x0001c49f},
+ {0x13, 0x00018493}, {0x13, 0x0001429b},
+ {0x13, 0x00010299}, {0x13, 0x0000c29c},
+ {0x13, 0x000081a0}, {0x13, 0x000040ac},
+ {0x13, 0x00000020}, {0x14, 0x0001944c},
+ {0x14, 0x00059444}, {0x14, 0x0009944c},
+ {0x14, 0x000d9444}, {0x15, 0x0000f474},
+ {0x15, 0x0004f477}, {0x15, 0x0008f455},
+ {0x15, 0x000cf455}, {0x16, 0x00000339},
+ {0x16, 0x00040339}, {0x16, 0x00080339},
+ {0x16, 0x000c0366}, {0x00, 0x00010159},
+ {0x18, 0x0000f401}, {0xfe, 0x00000000},
+ {0xfe, 0x00000000}, {0x1f, 0x00000003},
+ {0xfe, 0x00000000}, {0xfe, 0x00000000},
+ {0x1e, 0x00000247}, {0x1f, 0x00000000},
+ {0x00, 0x00030159},
+ {0xff, 0xffffffff}
+};
+
+static int rtl8723au_parse_efuse(struct rtl8xxxu_priv *priv)
+{
+ struct rtl8723au_efuse *efuse = &priv->efuse_wifi.efuse8723;
+
+ if (efuse->rtl_id != cpu_to_le16(0x8129))
+ return -EINVAL;
+
+ ether_addr_copy(priv->mac_addr, efuse->mac_addr);
+
+ memcpy(priv->cck_tx_power_index_A,
+ efuse->cck_tx_power_index_A,
+ sizeof(efuse->cck_tx_power_index_A));
+ memcpy(priv->cck_tx_power_index_B,
+ efuse->cck_tx_power_index_B,
+ sizeof(efuse->cck_tx_power_index_B));
+
+ memcpy(priv->ht40_1s_tx_power_index_A,
+ efuse->ht40_1s_tx_power_index_A,
+ sizeof(efuse->ht40_1s_tx_power_index_A));
+ memcpy(priv->ht40_1s_tx_power_index_B,
+ efuse->ht40_1s_tx_power_index_B,
+ sizeof(efuse->ht40_1s_tx_power_index_B));
+
+ memcpy(priv->ht20_tx_power_index_diff,
+ efuse->ht20_tx_power_index_diff,
+ sizeof(efuse->ht20_tx_power_index_diff));
+ memcpy(priv->ofdm_tx_power_index_diff,
+ efuse->ofdm_tx_power_index_diff,
+ sizeof(efuse->ofdm_tx_power_index_diff));
+
+ memcpy(priv->ht40_max_power_offset,
+ efuse->ht40_max_power_offset,
+ sizeof(efuse->ht40_max_power_offset));
+ memcpy(priv->ht20_max_power_offset,
+ efuse->ht20_max_power_offset,
+ sizeof(efuse->ht20_max_power_offset));
+
+ if (priv->efuse_wifi.efuse8723.version >= 0x01) {
+ priv->has_xtalk = 1;
+ priv->xtalk = priv->efuse_wifi.efuse8723.xtal_k & 0x3f;
+ }
+
+ priv->power_base = &rtl8723a_power_base;
+
+ dev_info(&priv->udev->dev, "Vendor: %.7s\n",
+ efuse->vendor_name);
+ dev_info(&priv->udev->dev, "Product: %.41s\n",
+ efuse->device_name);
+ return 0;
+}
+
+static int rtl8723au_load_firmware(struct rtl8xxxu_priv *priv)
+{
+ char *fw_name;
+ int ret;
+
+ switch (priv->chip_cut) {
+ case 0:
+ fw_name = "rtlwifi/rtl8723aufw_A.bin";
+ break;
+ case 1:
+ if (priv->enable_bluetooth)
+ fw_name = "rtlwifi/rtl8723aufw_B.bin";
+ else
+ fw_name = "rtlwifi/rtl8723aufw_B_NoBT.bin";
+
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ ret = rtl8xxxu_load_firmware(priv, fw_name);
+ return ret;
+}
+
+static int rtl8723au_init_phy_rf(struct rtl8xxxu_priv *priv)
+{
+ int ret;
+
+ ret = rtl8xxxu_init_phy_rf(priv, rtl8723au_radioa_1t_init_table, RF_A);
+
+ /* Reduce 80M spur */
+ rtl8xxxu_write32(priv, REG_AFE_XTAL_CTRL, 0x0381808d);
+ rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff83);
+ rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff82);
+ rtl8xxxu_write32(priv, REG_AFE_PLL_CTRL, 0xf0ffff83);
+
+ return ret;
+}
+
+static int rtl8723a_emu_to_active(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u32 val32;
+ int count, ret = 0;
+
+ /* 0x20[0] = 1 enable LDOA12 MACRO block for all interface*/
+ val8 = rtl8xxxu_read8(priv, REG_LDOA15_CTRL);
+ val8 |= LDOA15_ENABLE;
+ rtl8xxxu_write8(priv, REG_LDOA15_CTRL, val8);
+
+ /* 0x67[0] = 0 to disable BT_GPS_SEL pins*/
+ val8 = rtl8xxxu_read8(priv, 0x0067);
+ val8 &= ~BIT(4);
+ rtl8xxxu_write8(priv, 0x0067, val8);
+
+ mdelay(1);
+
+ /* 0x00[5] = 0 release analog Ips to digital, 1:isolation */
+ val8 = rtl8xxxu_read8(priv, REG_SYS_ISO_CTRL);
+ val8 &= ~SYS_ISO_ANALOG_IPS;
+ rtl8xxxu_write8(priv, REG_SYS_ISO_CTRL, val8);
+
+ /* disable SW LPS 0x04[10]= 0 */
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
+ val8 &= ~BIT(2);
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
+
+ /* wait till 0x04[17] = 1 power ready*/
+ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ if (val32 & BIT(17))
+ break;
+
+ udelay(10);
+ }
+
+ if (!count) {
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ /* We should be able to optimize the following three entries into one */
+
+ /* release WLON reset 0x04[16]= 1*/
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
+ val8 |= BIT(0);
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
+
+ /* disable HWPDN 0x04[15]= 0*/
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
+ val8 &= ~BIT(7);
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
+
+ /* disable WL suspend*/
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1);
+ val8 &= ~(BIT(3) | BIT(4));
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8);
+
+ /* set, then poll until 0 */
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ val32 |= APS_FSMCO_MAC_ENABLE;
+ rtl8xxxu_write32(priv, REG_APS_FSMCO, val32);
+
+ for (count = RTL8XXXU_MAX_REG_POLL; count; count--) {
+ val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO);
+ if ((val32 & APS_FSMCO_MAC_ENABLE) == 0) {
+ ret = 0;
+ break;
+ }
+ udelay(10);
+ }
+
+ if (!count) {
+ ret = -EBUSY;
+ goto exit;
+ }
+
+ /* 0x4C[23] = 0x4E[7] = 1, switch DPDT_SEL_P output from WL BB */
+ /*
+ * Note: Vendor driver actually clears this bit, despite the
+ * documentation claims it's being set!
+ */
+ val8 = rtl8xxxu_read8(priv, REG_LEDCFG2);
+ val8 |= LEDCFG2_DPDT_SELECT;
+ val8 &= ~LEDCFG2_DPDT_SELECT;
+ rtl8xxxu_write8(priv, REG_LEDCFG2, val8);
+
+exit:
+ return ret;
+}
+
+static int rtl8723au_power_on(struct rtl8xxxu_priv *priv)
+{
+ u8 val8;
+ u16 val16;
+ u32 val32;
+ int ret;
+
+ /*
+ * RSV_CTRL 0x001C[7:0] = 0x00, unlock ISO/CLK/Power control register
+ */
+ rtl8xxxu_write8(priv, REG_RSV_CTRL, 0x0);
+
+ rtl8xxxu_disabled_to_emu(priv);
+
+ ret = rtl8723a_emu_to_active(priv);
+ if (ret)
+ goto exit;
+
+ /*
+ * 0x0004[19] = 1, reset 8051
+ */
+ val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 2);
+ val8 |= BIT(3);
+ rtl8xxxu_write8(priv, REG_APS_FSMCO + 2, val8);
+
+ /*
+ * Enable MAC DMA/WMAC/SCHEDULE/SEC block
+ * Set CR bit10 to enable 32k calibration.
+ */
+ val16 = rtl8xxxu_read16(priv, REG_CR);
+ val16 |= (CR_HCI_TXDMA_ENABLE | CR_HCI_RXDMA_ENABLE |
+ CR_TXDMA_ENABLE | CR_RXDMA_ENABLE |
+ CR_PROTOCOL_ENABLE | CR_SCHEDULE_ENABLE |
+ CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE |
+ CR_SECURITY_ENABLE | CR_CALTIMER_ENABLE);
+ rtl8xxxu_write16(priv, REG_CR, val16);
+
+ /* For EFuse PG */
+ val32 = rtl8xxxu_read32(priv, REG_EFUSE_CTRL);
+ val32 &= ~(BIT(28) | BIT(29) | BIT(30));
+ val32 |= (0x06 << 28);
+ rtl8xxxu_write32(priv, REG_EFUSE_CTRL, val32);
+exit:
+ return ret;
+}
+
+struct rtl8xxxu_fileops rtl8723au_fops = {
+ .parse_efuse = rtl8723au_parse_efuse,
+ .load_firmware = rtl8723au_load_firmware,
+ .power_on = rtl8723au_power_on,
+ .power_off = rtl8xxxu_power_off,
+ .reset_8051 = rtl8xxxu_reset_8051,
+ .llt_init = rtl8xxxu_init_llt_table,
+ .init_phy_bb = rtl8xxxu_gen1_init_phy_bb,
+ .init_phy_rf = rtl8723au_init_phy_rf,
+ .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate,
+ .config_channel = rtl8xxxu_gen1_config_channel,
+ .parse_rx_desc = rtl8xxxu_parse_rxdesc16,
+ .init_aggregation = rtl8xxxu_gen1_init_aggregation,
+ .enable_rf = rtl8xxxu_gen1_enable_rf,
+ .disable_rf = rtl8xxxu_gen1_disable_rf,
+ .usb_quirks = rtl8xxxu_gen1_usb_quirks,
+ .set_tx_power = rtl8xxxu_gen1_set_tx_power,
+ .update_rate_mask = rtl8xxxu_update_rate_mask,
+ .report_connect = rtl8xxxu_gen1_report_connect,
+ .fill_txdesc = rtl8xxxu_fill_txdesc_v1,
+ .writeN_block_size = 1024,
+ .rx_agg_buf_size = 16000,
+ .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
+ .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
+ .adda_1t_init = 0x0b1b25a0,
+ .adda_1t_path_on = 0x0bdb25a0,
+ .adda_2t_path_on_a = 0x04db25a4,
+ .adda_2t_path_on_b = 0x0b1b25a4,
+ .trxff_boundary = 0x27ff,
+ .pbp_rx = PBP_PAGE_SIZE_128,
+ .pbp_tx = PBP_PAGE_SIZE_128,
+ .mactable = rtl8xxxu_gen1_mac_init_table,
+ .total_page_num = TX_TOTAL_PAGE_NUM,
+ .page_num_hi = TX_PAGE_NUM_HI_PQ,
+ .page_num_lo = TX_PAGE_NUM_LO_PQ,
+ .page_num_norm = TX_PAGE_NUM_NORM_PQ,
+};