diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c | 526 |
1 files changed, 0 insertions, 526 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c deleted file mode 100644 index ad1bb9377ca2..000000000000 --- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723a.c +++ /dev/null @@ -1,526 +0,0 @@ -// 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 const 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_identify_chip(struct rtl8xxxu_priv *priv) -{ - struct device *dev = &priv->udev->dev; - u32 val32, sys_cfg, vendor; - int ret = 0; - - sys_cfg = rtl8xxxu_read32(priv, REG_SYS_CFG); - priv->chip_cut = u32_get_bits(sys_cfg, SYS_CFG_CHIP_VERSION_MASK); - if (sys_cfg & SYS_CFG_TRP_VAUX_EN) { - dev_info(dev, "Unsupported test chip\n"); - ret = -ENOTSUPP; - goto out; - } - - strscpy(priv->chip_name, "8723AU", sizeof(priv->chip_name)); - priv->usb_interrupts = 1; - priv->rtl_chip = RTL8723A; - - priv->rf_paths = 1; - priv->rx_paths = 1; - priv->tx_paths = 1; - - val32 = rtl8xxxu_read32(priv, REG_MULTI_FUNC_CTRL); - if (val32 & MULTI_WIFI_FUNC_EN) - priv->has_wifi = 1; - if (val32 & MULTI_BT_FUNC_EN) - priv->has_bluetooth = 1; - if (val32 & MULTI_GPS_FUNC_EN) - priv->has_gps = 1; - priv->is_multi_func = 1; - - vendor = sys_cfg & SYS_CFG_VENDOR_ID; - rtl8xxxu_identify_vendor_1bit(priv, vendor); - - val32 = rtl8xxxu_read32(priv, REG_GPIO_OUTSTS); - priv->rom_rev = u32_get_bits(val32, GPIO_RF_RL_ID); - - rtl8xxxu_config_endpoints_sie(priv); - - /* - * Fallback for devices that do not provide REG_NORMAL_SIE_EP_TX - */ - if (!priv->ep_tx_count) - ret = rtl8xxxu_config_endpoints_no_sie(priv); - -out: - return ret; -} - -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->default_crystal_cap = priv->efuse_wifi.efuse8723.xtal_k & 0x3f; - else - priv->fops->set_crystal_cap = NULL; - - priv->power_base = &rtl8723a_power_base; - - return 0; -} - -static int rtl8723au_load_firmware(struct rtl8xxxu_priv *priv) -{ - const 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; -} - -#define XTAL1 GENMASK(23, 18) -#define XTAL0 GENMASK(17, 12) - -void rtl8723a_set_crystal_cap(struct rtl8xxxu_priv *priv, u8 crystal_cap) -{ - struct rtl8xxxu_cfo_tracking *cfo = &priv->cfo_tracking; - u32 val32; - - if (crystal_cap == cfo->crystal_cap) - return; - - val32 = rtl8xxxu_read32(priv, REG_MAC_PHY_CTRL); - - dev_dbg(&priv->udev->dev, - "%s: Adjusting crystal cap from 0x%x (actually 0x%lx 0x%lx) to 0x%x\n", - __func__, - cfo->crystal_cap, - FIELD_GET(XTAL1, val32), - FIELD_GET(XTAL0, val32), - crystal_cap); - - val32 &= ~(XTAL1 | XTAL0); - val32 |= FIELD_PREP(XTAL1, crystal_cap) | - FIELD_PREP(XTAL0, crystal_cap); - rtl8xxxu_write32(priv, REG_MAC_PHY_CTRL, val32); - - cfo->crystal_cap = crystal_cap; -} - -s8 rtl8723a_cck_rssi(struct rtl8xxxu_priv *priv, struct rtl8723au_phy_stats *phy_stats) -{ - u8 cck_agc_rpt = phy_stats->cck_agc_rpt_ofdm_cfosho_a; - s8 rx_pwr_all = 0x00; - - switch (cck_agc_rpt & 0xc0) { - case 0xc0: - rx_pwr_all = -46 - (cck_agc_rpt & 0x3e); - break; - case 0x80: - rx_pwr_all = -26 - (cck_agc_rpt & 0x3e); - break; - case 0x40: - rx_pwr_all = -12 - (cck_agc_rpt & 0x3e); - break; - case 0x00: - rx_pwr_all = 16 - (cck_agc_rpt & 0x3e); - break; - } - - return rx_pwr_all; -} - -static int rtl8723au_led_brightness_set(struct led_classdev *led_cdev, - enum led_brightness brightness) -{ - struct rtl8xxxu_priv *priv = container_of(led_cdev, - struct rtl8xxxu_priv, - led_cdev); - u8 ledcfg = rtl8xxxu_read8(priv, REG_LEDCFG2); - - if (brightness == LED_OFF) { - ledcfg &= ~LEDCFG2_HW_LED_CONTROL; - ledcfg |= LEDCFG2_SW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE; - } else if (brightness == LED_ON) { - ledcfg &= ~(LEDCFG2_HW_LED_CONTROL | LEDCFG2_SW_LED_DISABLE); - ledcfg |= LEDCFG2_SW_LED_CONTROL; - } else if (brightness == RTL8XXXU_HW_LED_CONTROL) { - ledcfg &= ~LEDCFG2_SW_LED_DISABLE; - ledcfg |= LEDCFG2_HW_LED_CONTROL | LEDCFG2_HW_LED_ENABLE; - } - - rtl8xxxu_write8(priv, REG_LEDCFG2, ledcfg); - - return 0; -} - -struct rtl8xxxu_fileops rtl8723au_fops = { - .identify_chip = rtl8723au_identify_chip, - .parse_efuse = rtl8723au_parse_efuse, - .load_firmware = rtl8723au_load_firmware, - .power_on = rtl8723au_power_on, - .power_off = rtl8xxxu_power_off, - .read_efuse = rtl8xxxu_read_efuse, - .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_lc_calibrate = rtl8723a_phy_lc_calibrate, - .phy_iq_calibrate = rtl8xxxu_gen1_phy_iq_calibrate, - .config_channel = rtl8xxxu_gen1_config_channel, - .parse_rx_desc = rtl8xxxu_parse_rxdesc16, - .parse_phystats = rtl8723au_rx_parse_phystats, - .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, - .report_rssi = rtl8xxxu_gen1_report_rssi, - .fill_txdesc = rtl8xxxu_fill_txdesc_v1, - .set_crystal_cap = rtl8723a_set_crystal_cap, - .cck_rssi = rtl8723a_cck_rssi, - .led_classdev_brightness_set = rtl8723au_led_brightness_set, - .writeN_block_size = 1024, - .rx_agg_buf_size = 16000, - .tx_desc_size = sizeof(struct rtl8xxxu_txdesc32), - .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16), - .max_sec_cam_num = 32, - .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, -}; 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