diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 396 |
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, +}; |