diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c | 1766 |
1 files changed, 1766 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c new file mode 100644 index 000000000000..2c4f403ba68f --- /dev/null +++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c @@ -0,0 +1,1766 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * RTL8XXXU mac80211 USB driver - 8188f specific subdriver + * + * Copyright (c) 2022 Bitterblue Smith <rtl8821cerfe2@gmail.com> + * + * Portions copied from existing rtl8xxxu code: + * Copyright (c) 2014 - 2017 Jes Sorensen <Jes.Sorensen@gmail.com> + * + * Portions, notably calibration code: + * Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved. + */ + +#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 const struct rtl8xxxu_reg8val rtl8188f_mac_init_table[] = { + {0x024, 0xDF}, {0x025, 0x07}, {0x02B, 0x1C}, {0x283, 0x20}, + {0x421, 0x0F}, {0x428, 0x0A}, {0x429, 0x10}, {0x430, 0x00}, + {0x431, 0x00}, {0x432, 0x00}, {0x433, 0x01}, {0x434, 0x04}, + {0x435, 0x05}, {0x436, 0x07}, {0x437, 0x08}, {0x43C, 0x04}, + {0x43D, 0x05}, {0x43E, 0x07}, {0x43F, 0x08}, {0x440, 0x5D}, + {0x441, 0x01}, {0x442, 0x00}, {0x444, 0x10}, {0x445, 0x00}, + {0x446, 0x00}, {0x447, 0x00}, {0x448, 0x00}, {0x449, 0xF0}, + {0x44A, 0x0F}, {0x44B, 0x3E}, {0x44C, 0x10}, {0x44D, 0x00}, + {0x44E, 0x00}, {0x44F, 0x00}, {0x450, 0x00}, {0x451, 0xF0}, + {0x452, 0x0F}, {0x453, 0x00}, {0x456, 0x5E}, {0x460, 0x44}, + {0x461, 0x44}, {0x4BC, 0xC0}, {0x4C8, 0xFF}, {0x4C9, 0x08}, + {0x4CC, 0xFF}, {0x4CD, 0xFF}, {0x4CE, 0x01}, {0x500, 0x26}, + {0x501, 0xA2}, {0x502, 0x2F}, {0x503, 0x00}, {0x504, 0x28}, + {0x505, 0xA3}, {0x506, 0x5E}, {0x507, 0x00}, {0x508, 0x2B}, + {0x509, 0xA4}, {0x50A, 0x5E}, {0x50B, 0x00}, {0x50C, 0x4F}, + {0x50D, 0xA4}, {0x50E, 0x00}, {0x50F, 0x00}, {0x512, 0x1C}, + {0x514, 0x0A}, {0x516, 0x0A}, {0x525, 0x4F}, {0x550, 0x10}, + {0x551, 0x10}, {0x559, 0x02}, {0x55C, 0x28}, {0x55D, 0xFF}, + {0x605, 0x30}, {0x608, 0x0E}, {0x609, 0x2A}, {0x620, 0xFF}, + {0x621, 0xFF}, {0x622, 0xFF}, {0x623, 0xFF}, {0x624, 0xFF}, + {0x625, 0xFF}, {0x626, 0xFF}, {0x627, 0xFF}, {0x638, 0x28}, + {0x63C, 0x0A}, {0x63D, 0x0A}, {0x63E, 0x0E}, {0x63F, 0x0E}, + {0x640, 0x40}, {0x642, 0x40}, {0x643, 0x00}, {0x652, 0xC8}, + {0x66E, 0x05}, {0x700, 0x21}, {0x701, 0x43}, {0x702, 0x65}, + {0x703, 0x87}, {0x708, 0x21}, {0x709, 0x43}, {0x70A, 0x65}, + {0x70B, 0x87}, + {0xffff, 0xff}, +}; + +static const struct rtl8xxxu_reg32val rtl8188fu_phy_init_table[] = { + {0x800, 0x80045700}, {0x804, 0x00000001}, + {0x808, 0x0000FC00}, {0x80C, 0x0000000A}, + {0x810, 0x10001331}, {0x814, 0x020C3D10}, + {0x818, 0x00200385}, {0x81C, 0x00000000}, + {0x820, 0x01000100}, {0x824, 0x00390204}, + {0x828, 0x00000000}, {0x82C, 0x00000000}, + {0x830, 0x00000000}, {0x834, 0x00000000}, + {0x838, 0x00000000}, {0x83C, 0x00000000}, + {0x840, 0x00010000}, {0x844, 0x00000000}, + {0x848, 0x00000000}, {0x84C, 0x00000000}, + {0x850, 0x00030000}, {0x854, 0x00000000}, + {0x858, 0x569A569A}, {0x85C, 0x569A569A}, + {0x860, 0x00000130}, {0x864, 0x00000000}, + {0x868, 0x00000000}, {0x86C, 0x27272700}, + {0x870, 0x00000000}, {0x874, 0x25004000}, + {0x878, 0x00000808}, {0x87C, 0x004F0201}, + {0x880, 0xB0000B1E}, {0x884, 0x00000007}, + {0x888, 0x00000000}, {0x88C, 0xCCC000C0}, + {0x890, 0x00000800}, {0x894, 0xFFFFFFFE}, + {0x898, 0x40302010}, {0x89C, 0x00706050}, + {0x900, 0x00000000}, {0x904, 0x00000023}, + {0x908, 0x00000000}, {0x90C, 0x81121111}, + {0x910, 0x00000002}, {0x914, 0x00000201}, + {0x948, 0x99000000}, {0x94C, 0x00000010}, + {0x950, 0x20003000}, {0x954, 0x4A880000}, + {0x958, 0x4BC5D87A}, {0x95C, 0x04EB9B79}, + {0x96C, 0x00000003}, {0xA00, 0x00D047C8}, + {0xA04, 0x80FF800C}, {0xA08, 0x8C898300}, + {0xA0C, 0x2E7F120F}, {0xA10, 0x9500BB78}, + {0xA14, 0x1114D028}, {0xA18, 0x00881117}, + {0xA1C, 0x89140F00}, {0xA20, 0xD1D80000}, + {0xA24, 0x5A7DA0BD}, {0xA28, 0x0000223B}, + {0xA2C, 0x00D30000}, {0xA70, 0x101FBF00}, + {0xA74, 0x00000007}, {0xA78, 0x00000900}, + {0xA7C, 0x225B0606}, {0xA80, 0x218075B1}, + {0xA84, 0x00120000}, {0xA88, 0x040C0000}, + {0xA8C, 0x12345678}, {0xA90, 0xABCDEF00}, + {0xA94, 0x001B1B89}, {0xA98, 0x05100000}, + {0xA9C, 0x3F000000}, {0xAA0, 0x00000000}, + {0xB2C, 0x00000000}, {0xC00, 0x48071D40}, + {0xC04, 0x03A05611}, {0xC08, 0x000000E4}, + {0xC0C, 0x6C6C6C6C}, {0xC10, 0x18800000}, + {0xC14, 0x40000100}, {0xC18, 0x08800000}, + {0xC1C, 0x40000100}, {0xC20, 0x00000000}, + {0xC24, 0x00000000}, {0xC28, 0x00000000}, + {0xC2C, 0x00000000}, {0xC30, 0x69E9CC4A}, + {0xC34, 0x31000040}, {0xC38, 0x21688080}, + {0xC3C, 0x00001714}, {0xC40, 0x1F78403F}, + {0xC44, 0x00010036}, {0xC48, 0xEC020107}, + {0xC4C, 0x007F037F}, {0xC50, 0x69553420}, + {0xC54, 0x43BC0094}, {0xC58, 0x00013169}, + {0xC5C, 0x00250492}, {0xC60, 0x00000000}, + {0xC64, 0x7112848B}, {0xC68, 0x47C07BFF}, + {0xC6C, 0x00000036}, {0xC70, 0x2C7F000D}, + {0xC74, 0x020600DB}, {0xC78, 0x0000001F}, + {0xC7C, 0x00B91612}, {0xC80, 0x390000E4}, + {0xC84, 0x11F60000}, + {0xC88, 0x40000100}, {0xC8C, 0x20200000}, + {0xC90, 0x00091521}, {0xC94, 0x00000000}, + {0xC98, 0x00121820}, {0xC9C, 0x00007F7F}, + {0xCA0, 0x00000000}, {0xCA4, 0x000300A0}, + {0xCA8, 0x00000000}, {0xCAC, 0x00000000}, + {0xCB0, 0x00000000}, {0xCB4, 0x00000000}, + {0xCB8, 0x00000000}, {0xCBC, 0x28000000}, + {0xCC0, 0x00000000}, {0xCC4, 0x00000000}, + {0xCC8, 0x00000000}, {0xCCC, 0x00000000}, + {0xCD0, 0x00000000}, {0xCD4, 0x00000000}, + {0xCD8, 0x64B22427}, {0xCDC, 0x00766932}, + {0xCE0, 0x00222222}, {0xCE4, 0x10000000}, + {0xCE8, 0x37644302}, {0xCEC, 0x2F97D40C}, + {0xD00, 0x04030740}, {0xD04, 0x40020401}, + {0xD08, 0x0000907F}, {0xD0C, 0x20010201}, + {0xD10, 0xA0633333}, {0xD14, 0x3333BC53}, + {0xD18, 0x7A8F5B6F}, {0xD2C, 0xCB979975}, + {0xD30, 0x00000000}, {0xD34, 0x80608000}, + {0xD38, 0x98000000}, {0xD3C, 0x40127353}, + {0xD40, 0x00000000}, {0xD44, 0x00000000}, + {0xD48, 0x00000000}, {0xD4C, 0x00000000}, + {0xD50, 0x6437140A}, {0xD54, 0x00000000}, + {0xD58, 0x00000282}, {0xD5C, 0x30032064}, + {0xD60, 0x4653DE68}, {0xD64, 0x04518A3C}, + {0xD68, 0x00002101}, {0xD6C, 0x2A201C16}, + {0xD70, 0x1812362E}, {0xD74, 0x322C2220}, + {0xD78, 0x000E3C24}, {0xE00, 0x2D2D2D2D}, + {0xE04, 0x2D2D2D2D}, {0xE08, 0x0390272D}, + {0xE10, 0x2D2D2D2D}, {0xE14, 0x2D2D2D2D}, + {0xE18, 0x2D2D2D2D}, {0xE1C, 0x2D2D2D2D}, + {0xE28, 0x00000000}, {0xE30, 0x1000DC1F}, + {0xE34, 0x10008C1F}, {0xE38, 0x02140102}, + {0xE3C, 0x681604C2}, {0xE40, 0x01007C00}, + {0xE44, 0x01004800}, {0xE48, 0xFB000000}, + {0xE4C, 0x000028D1}, {0xE50, 0x1000DC1F}, + {0xE54, 0x10008C1F}, {0xE58, 0x02140102}, + {0xE5C, 0x28160D05}, {0xE60, 0x00000008}, + {0xE60, 0x021400A0}, {0xE64, 0x281600A0}, + {0xE6C, 0x01C00010}, {0xE70, 0x01C00010}, + {0xE74, 0x02000010}, {0xE78, 0x02000010}, + {0xE7C, 0x02000010}, {0xE80, 0x02000010}, + {0xE84, 0x01C00010}, {0xE88, 0x02000010}, + {0xE8C, 0x01C00010}, {0xED0, 0x01C00010}, + {0xED4, 0x01C00010}, {0xED8, 0x01C00010}, + {0xEDC, 0x00000010}, {0xEE0, 0x00000010}, + {0xEEC, 0x03C00010}, {0xF14, 0x00000003}, + {0xF4C, 0x00000000}, {0xF00, 0x00000300}, + {0xffff, 0xffffffff}, +}; + +static const struct rtl8xxxu_reg32val rtl8188f_agc_table[] = { + {0xC78, 0xFC000001}, {0xC78, 0xFB010001}, + {0xC78, 0xFA020001}, {0xC78, 0xF9030001}, + {0xC78, 0xF8040001}, {0xC78, 0xF7050001}, + {0xC78, 0xF6060001}, {0xC78, 0xF5070001}, + {0xC78, 0xF4080001}, {0xC78, 0xF3090001}, + {0xC78, 0xF20A0001}, {0xC78, 0xF10B0001}, + {0xC78, 0xF00C0001}, {0xC78, 0xEF0D0001}, + {0xC78, 0xEE0E0001}, {0xC78, 0xED0F0001}, + {0xC78, 0xEC100001}, {0xC78, 0xEB110001}, + {0xC78, 0xEA120001}, {0xC78, 0xE9130001}, + {0xC78, 0xE8140001}, {0xC78, 0xE7150001}, + {0xC78, 0xE6160001}, {0xC78, 0xE5170001}, + {0xC78, 0xE4180001}, {0xC78, 0xE3190001}, + {0xC78, 0xE21A0001}, {0xC78, 0xE11B0001}, + {0xC78, 0xE01C0001}, {0xC78, 0xC21D0001}, + {0xC78, 0xC11E0001}, {0xC78, 0xC01F0001}, + {0xC78, 0xA5200001}, {0xC78, 0xA4210001}, + {0xC78, 0xA3220001}, {0xC78, 0xA2230001}, + {0xC78, 0xA1240001}, {0xC78, 0xA0250001}, + {0xC78, 0x65260001}, {0xC78, 0x64270001}, + {0xC78, 0x63280001}, {0xC78, 0x62290001}, + {0xC78, 0x612A0001}, {0xC78, 0x442B0001}, + {0xC78, 0x432C0001}, {0xC78, 0x422D0001}, + {0xC78, 0x412E0001}, {0xC78, 0x402F0001}, + {0xC78, 0x21300001}, {0xC78, 0x20310001}, + {0xC78, 0x05320001}, {0xC78, 0x04330001}, + {0xC78, 0x03340001}, {0xC78, 0x02350001}, + {0xC78, 0x01360001}, {0xC78, 0x00370001}, + {0xC78, 0x00380001}, {0xC78, 0x00390001}, + {0xC78, 0x003A0001}, {0xC78, 0x003B0001}, + {0xC78, 0x003C0001}, {0xC78, 0x003D0001}, + {0xC78, 0x003E0001}, {0xC78, 0x003F0001}, + {0xC50, 0x69553422}, {0xC50, 0x69553420}, + {0xffff, 0xffffffff} +}; + +static const struct rtl8xxxu_rfregval rtl8188fu_radioa_init_table[] = { + {0x00, 0x00030000}, {0x08, 0x00008400}, + {0x18, 0x00000407}, {0x19, 0x00000012}, + {0x1B, 0x00001C6C}, + {0x1E, 0x00080009}, {0x1F, 0x00000880}, + {0x2F, 0x0001A060}, {0x3F, 0x00028000}, + {0x42, 0x000060C0}, {0x57, 0x000D0000}, + {0x58, 0x000C0160}, {0x67, 0x00001552}, + {0x83, 0x00000000}, {0xB0, 0x000FF9F0}, + {0xB1, 0x00022218}, {0xB2, 0x00034C00}, + {0xB4, 0x0004484B}, {0xB5, 0x0000112A}, + {0xB6, 0x0000053E}, {0xB7, 0x00010408}, + {0xB8, 0x00010200}, {0xB9, 0x00080001}, + {0xBA, 0x00040001}, {0xBB, 0x00000400}, + {0xBF, 0x000C0000}, {0xC2, 0x00002400}, + {0xC3, 0x00000009}, {0xC4, 0x00040C91}, + {0xC5, 0x00099999}, {0xC6, 0x000000A3}, + {0xC7, 0x0008F820}, {0xC8, 0x00076C06}, + {0xC9, 0x00000000}, {0xCA, 0x00080000}, + {0xDF, 0x00000180}, {0xEF, 0x000001A0}, + {0x51, 0x000E8333}, {0x52, 0x000FAC2C}, + {0x53, 0x00000103}, {0x56, 0x000517F0}, + {0x35, 0x00000099}, {0x35, 0x00000199}, + {0x35, 0x00000299}, {0x36, 0x00000064}, + {0x36, 0x00008064}, {0x36, 0x00010064}, + {0x36, 0x00018064}, {0x18, 0x00000C07}, + {0x5A, 0x00048000}, {0x19, 0x000739D0}, + {0x34, 0x0000ADD6}, {0x34, 0x00009DD3}, + {0x34, 0x00008CF4}, {0x34, 0x00007CF1}, + {0x34, 0x00006CEE}, {0x34, 0x00005CEB}, + {0x34, 0x00004CCE}, {0x34, 0x00003CCB}, + {0x34, 0x00002CC8}, {0x34, 0x00001C4B}, + {0x34, 0x00000C48}, + {0x00, 0x00030159}, {0x84, 0x00048000}, + {0x86, 0x0000002A}, {0x87, 0x00000025}, + {0x8E, 0x00065540}, {0x8F, 0x00088000}, + {0xEF, 0x000020A0}, {0x3B, 0x000F0F00}, + {0x3B, 0x000E0B00}, {0x3B, 0x000D0900}, + {0x3B, 0x000C0700}, {0x3B, 0x000B0600}, + {0x3B, 0x000A0400}, {0x3B, 0x00090200}, + {0x3B, 0x00080000}, {0x3B, 0x0007BF00}, + {0x3B, 0x00060B00}, {0x3B, 0x0005C900}, + {0x3B, 0x00040700}, {0x3B, 0x00030600}, + {0x3B, 0x0002D500}, {0x3B, 0x00010200}, + {0x3B, 0x0000E000}, {0xEF, 0x000000A0}, + {0xEF, 0x00000010}, {0x3B, 0x0000C0A8}, + {0x3B, 0x00010400}, {0xEF, 0x00000000}, + {0xEF, 0x00080000}, {0x30, 0x00010000}, + {0x31, 0x0000000F}, {0x32, 0x00007EFE}, + {0xEF, 0x00000000}, {0x00, 0x00010159}, + {0x18, 0x0000FC07}, {0xFE, 0x00000000}, + {0xFE, 0x00000000}, {0x1F, 0x00080003}, + {0xFE, 0x00000000}, {0xFE, 0x00000000}, + {0x1E, 0x00000001}, {0x1F, 0x00080000}, + {0x00, 0x00033D95}, + {0xff, 0xffffffff} +}; + +static const struct rtl8xxxu_rfregval rtl8188fu_cut_b_radioa_init_table[] = { + {0x00, 0x00030000}, {0x08, 0x00008400}, + {0x18, 0x00000407}, {0x19, 0x00000012}, + {0x1B, 0x00001C6C}, + {0x1E, 0x00080009}, {0x1F, 0x00000880}, + {0x2F, 0x0001A060}, {0x3F, 0x00028000}, + {0x42, 0x000060C0}, {0x57, 0x000D0000}, + {0x58, 0x000C0160}, {0x67, 0x00001552}, + {0x83, 0x00000000}, {0xB0, 0x000FF9F0}, + {0xB1, 0x00022218}, {0xB2, 0x00034C00}, + {0xB4, 0x0004484B}, {0xB5, 0x0000112A}, + {0xB6, 0x0000053E}, {0xB7, 0x00010408}, + {0xB8, 0x00010200}, {0xB9, 0x00080001}, + {0xBA, 0x00040001}, {0xBB, 0x00000400}, + {0xBF, 0x000C0000}, {0xC2, 0x00002400}, + {0xC3, 0x00000009}, {0xC4, 0x00040C91}, + {0xC5, 0x00099999}, {0xC6, 0x000000A3}, + {0xC7, 0x0008F820}, {0xC8, 0x00076C06}, + {0xC9, 0x00000000}, {0xCA, 0x00080000}, + {0xDF, 0x00000180}, {0xEF, 0x000001A0}, + {0x51, 0x000E8231}, {0x52, 0x000FAC2C}, + {0x53, 0x00000141}, {0x56, 0x000517F0}, + {0x35, 0x00000090}, {0x35, 0x00000190}, + {0x35, 0x00000290}, {0x36, 0x00001064}, + {0x36, 0x00009064}, {0x36, 0x00011064}, + {0x36, 0x00019064}, {0x18, 0x00000C07}, + {0x5A, 0x00048000}, {0x19, 0x000739D0}, + {0x34, 0x0000ADD2}, {0x34, 0x00009DD0}, + {0x34, 0x00008CF3}, {0x34, 0x00007CF0}, + {0x34, 0x00006CED}, {0x34, 0x00005CD2}, + {0x34, 0x00004CCF}, {0x34, 0x00003CCC}, + {0x34, 0x00002CC9}, {0x34, 0x00001C4C}, + {0x34, 0x00000C49}, + {0x00, 0x00030159}, {0x84, 0x00048000}, + {0x86, 0x0000002A}, {0x87, 0x00000025}, + {0x8E, 0x00065540}, {0x8F, 0x00088000}, + {0xEF, 0x000020A0}, {0x3B, 0x000F0F00}, + {0x3B, 0x000E0B00}, {0x3B, 0x000D0900}, + {0x3B, 0x000C0700}, {0x3B, 0x000B0600}, + {0x3B, 0x000A0400}, {0x3B, 0x00090200}, + {0x3B, 0x00080000}, {0x3B, 0x0007BF00}, + {0x3B, 0x00060B00}, {0x3B, 0x0005C900}, + {0x3B, 0x00040700}, {0x3B, 0x00030600}, + {0x3B, 0x0002D500}, {0x3B, 0x00010200}, + {0x3B, 0x0000E000}, {0xEF, 0x000000A0}, + {0xEF, 0x00000010}, {0x3B, 0x0000C0A8}, + {0x3B, 0x00010400}, {0xEF, 0x00000000}, + {0xEF, 0x00080000}, {0x30, 0x00010000}, + {0x31, 0x0000000F}, {0x32, 0x00007EFE}, + {0xEF, 0x00000000}, {0x00, 0x00010159}, + {0x18, 0x0000FC07}, {0xFE, 0x00000000}, + {0xFE, 0x00000000}, {0x1F, 0x00080003}, + {0xFE, 0x00000000}, {0xFE, 0x00000000}, + {0x1E, 0x00000001}, {0x1F, 0x00080000}, + {0x00, 0x00033D95}, + {0xff, 0xffffffff} +}; + +static int rtl8188fu_identify_chip(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + u32 sys_cfg, vendor; + int ret = 0; + + strscpy(priv->chip_name, "8188FU", sizeof(priv->chip_name)); + priv->rtl_chip = RTL8188F; + priv->rf_paths = 1; + priv->rx_paths = 1; + priv->tx_paths = 1; + priv->has_wifi = 1; + + 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; + } + + vendor = sys_cfg & SYS_CFG_VENDOR_EXT_MASK; + rtl8xxxu_identify_vendor_2bits(priv, vendor); + + ret = rtl8xxxu_config_endpoints_no_sie(priv); + +out: + return ret; +} + +static void rtl8188f_channel_to_group(int channel, int *group, int *cck_group) +{ + if (channel < 3) + *group = 0; + else if (channel < 6) + *group = 1; + else if (channel < 9) + *group = 2; + else if (channel < 12) + *group = 3; + else + *group = 4; + + if (channel == 14) + *cck_group = 5; + else + *cck_group = *group; +} + +static void +rtl8188f_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40) +{ + u32 val32, ofdm, mcs; + u8 cck, ofdmbase, mcsbase; + int group, cck_group; + + rtl8188f_channel_to_group(channel, &group, &cck_group); + + cck = priv->cck_tx_power_index_A[cck_group]; + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_A_CCK1_MCS32); + val32 &= 0xffff00ff; + val32 |= (cck << 8); + rtl8xxxu_write32(priv, REG_TX_AGC_A_CCK1_MCS32, val32); + + val32 = rtl8xxxu_read32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11); + val32 &= 0xff; + val32 |= ((cck << 8) | (cck << 16) | (cck << 24)); + rtl8xxxu_write32(priv, REG_TX_AGC_B_CCK11_A_CCK2_11, val32); + + ofdmbase = priv->ht40_1s_tx_power_index_A[group]; + ofdmbase += priv->ofdm_tx_power_diff[0].a; + ofdm = ofdmbase | ofdmbase << 8 | ofdmbase << 16 | ofdmbase << 24; + + rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE18_06, ofdm); + rtl8xxxu_write32(priv, REG_TX_AGC_A_RATE54_24, ofdm); + + mcsbase = priv->ht40_1s_tx_power_index_A[group]; + if (ht40) + /* This diff is always 0 - not used in 8188FU. */ + mcsbase += priv->ht40_tx_power_diff[0].a; + else + mcsbase += priv->ht20_tx_power_diff[0].a; + mcs = mcsbase | mcsbase << 8 | mcsbase << 16 | mcsbase << 24; + + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS03_MCS00, mcs); + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS07_MCS04, mcs); + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS11_MCS08, mcs); + rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12, mcs); +} + +/* A workaround to eliminate the 2400MHz, 2440MHz, 2480MHz spur of 8188F. */ +static void rtl8188f_spur_calibration(struct rtl8xxxu_priv *priv, u8 channel) +{ + static const u32 frequencies[14 + 1] = { + [5] = 0xFCCD, + [6] = 0xFC4D, + [7] = 0xFFCD, + [8] = 0xFF4D, + [11] = 0xFDCD, + [13] = 0xFCCD, + [14] = 0xFF9A + }; + + static const u32 reg_d40[14 + 1] = { + [5] = 0x06000000, + [6] = 0x00000600, + [13] = 0x06000000 + }; + + static const u32 reg_d44[14 + 1] = { + [11] = 0x04000000 + }; + + static const u32 reg_d4c[14 + 1] = { + [7] = 0x06000000, + [8] = 0x00000380, + [14] = 0x00180000 + }; + + const u8 threshold = 0x16; + bool do_notch, hw_ctrl, sw_ctrl, hw_ctrl_s1 = 0, sw_ctrl_s1 = 0; + u32 val32, initial_gain, reg948; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_D_SYNC_PATH); + val32 |= GENMASK(28, 24); + rtl8xxxu_write32(priv, REG_OFDM0_RX_D_SYNC_PATH, val32); + + /* enable notch filter */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_RX_D_SYNC_PATH); + val32 |= BIT(9); + rtl8xxxu_write32(priv, REG_OFDM0_RX_D_SYNC_PATH, val32); + + if (channel <= 14 && frequencies[channel] > 0) { + reg948 = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); + hw_ctrl = reg948 & BIT(6); + sw_ctrl = !hw_ctrl; + + if (hw_ctrl) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XB_RF_INT_OE); + val32 &= GENMASK(5, 3); + hw_ctrl_s1 = val32 == BIT(3); + } else if (sw_ctrl) { + sw_ctrl_s1 = !(reg948 & BIT(9)); + } + + if (hw_ctrl_s1 || sw_ctrl_s1) { + initial_gain = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); + + /* Disable CCK block */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE_CCK; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = initial_gain & ~OFDM0_X_AGC_CORE1_IGI_MASK; + val32 |= 0x30; + rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32); + + /* disable 3-wire */ + rtl8xxxu_write32(priv, REG_FPGA0_ANALOG4, 0xccf000c0); + + /* Setup PSD */ + rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, frequencies[channel]); + + /* Start PSD */ + rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, 0x400000 | frequencies[channel]); + + msleep(30); + + do_notch = rtl8xxxu_read32(priv, REG_FPGA0_PSD_REPORT) >= threshold; + + /* turn off PSD */ + rtl8xxxu_write32(priv, REG_FPGA0_PSD_FUNC, frequencies[channel]); + + /* enable 3-wire */ + rtl8xxxu_write32(priv, REG_FPGA0_ANALOG4, 0xccc000c0); + + /* Enable CCK block */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= FPGA_RF_MODE_CCK; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, initial_gain); + + if (do_notch) { + rtl8xxxu_write32(priv, REG_OFDM1_CSI_FIX_MASK1, reg_d40[channel]); + rtl8xxxu_write32(priv, REG_OFDM1_CSI_FIX_MASK2, reg_d44[channel]); + rtl8xxxu_write32(priv, 0xd48, 0x0); + rtl8xxxu_write32(priv, 0xd4c, reg_d4c[channel]); + + /* enable CSI mask */ + val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); + val32 |= BIT(28); + rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32); + + return; + } + } + } + + /* disable CSI mask function */ + val32 = rtl8xxxu_read32(priv, REG_OFDM1_CFO_TRACKING); + val32 &= ~BIT(28); + rtl8xxxu_write32(priv, REG_OFDM1_CFO_TRACKING, val32); +} + +static void rtl8188fu_config_channel(struct ieee80211_hw *hw) +{ + struct rtl8xxxu_priv *priv = hw->priv; + u32 val32; + u8 channel, subchannel; + bool sec_ch_above; + + channel = (u8)hw->conf.chandef.chan->hw_value; + + /* Set channel */ + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG); + val32 &= ~MODE_AG_CHANNEL_MASK; + val32 |= channel; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32); + + /* Spur calibration */ + rtl8188f_spur_calibration(priv, channel); + + /* Set bandwidth mode */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 &= ~FPGA_RF_MODE; + val32 |= hw->conf.chandef.width == NL80211_CHAN_WIDTH_40; + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + val32 = rtl8xxxu_read32(priv, REG_FPGA1_RF_MODE); + val32 &= ~FPGA_RF_MODE; + val32 |= hw->conf.chandef.width == NL80211_CHAN_WIDTH_40; + rtl8xxxu_write32(priv, REG_FPGA1_RF_MODE, val32); + + /* RXADC CLK */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= GENMASK(10, 8); + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + /* TXDAC CLK */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_RF_MODE); + val32 |= BIT(14) | BIT(12); + val32 &= ~BIT(13); + rtl8xxxu_write32(priv, REG_FPGA0_RF_MODE, val32); + + /* small BW */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT); + val32 &= ~GENMASK(31, 30); + rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32); + + /* adc buffer clk */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT); + val32 &= ~BIT(29); + val32 |= BIT(28); + rtl8xxxu_write32(priv, REG_OFDM0_TX_PSDO_NOISE_WEIGHT, val32); + + /* adc buffer clk */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_RX_AFE); + val32 &= ~BIT(29); + val32 |= BIT(28); + rtl8xxxu_write32(priv, REG_OFDM0_XA_RX_AFE, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM_RX_DFIR); + val32 &= ~BIT(19); + rtl8xxxu_write32(priv, REG_OFDM_RX_DFIR, val32); + + val32 = rtl8xxxu_read32(priv, REG_OFDM_RX_DFIR); + val32 &= ~GENMASK(23, 20); + val32 |= BIT(21); + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 || + hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) + val32 |= BIT(20); + else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) + val32 |= BIT(22); + rtl8xxxu_write32(priv, REG_OFDM_RX_DFIR, val32); + + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) { + if (hw->conf.chandef.center_freq1 > + hw->conf.chandef.chan->center_freq) { + sec_ch_above = 1; + channel += 2; + } else { + sec_ch_above = 0; + channel -= 2; + } + + /* Set Control channel to upper or lower. */ + val32 = rtl8xxxu_read32(priv, REG_CCK0_SYSTEM); + val32 &= ~CCK0_SIDEBAND; + if (!sec_ch_above) + val32 |= CCK0_SIDEBAND; + rtl8xxxu_write32(priv, REG_CCK0_SYSTEM, val32); + + val32 = rtl8xxxu_read32(priv, REG_DATA_SUBCHANNEL); + val32 &= ~GENMASK(3, 0); + if (sec_ch_above) + subchannel = 2; + else + subchannel = 1; + val32 |= subchannel; + rtl8xxxu_write32(priv, REG_DATA_SUBCHANNEL, val32); + + val32 = rtl8xxxu_read32(priv, REG_RESPONSE_RATE_SET); + val32 &= ~RSR_RSC_BANDWIDTH_40M; + rtl8xxxu_write32(priv, REG_RESPONSE_RATE_SET, val32); + } + + /* RF TRX_BW */ + val32 = channel; + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 || + hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) + val32 |= MODE_AG_BW_20MHZ_8723B; + else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) + val32 |= MODE_AG_BW_40MHZ_8723B; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, val32); + + /* FILTER BW&RC Corner (ACPR) */ + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 || + hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) + val32 = 0x00065; + else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) + val32 = 0x00025; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RXG_MIX_SWBW, val32); + + if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_20 || + hw->conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT) + val32 = 0x0; + else if (hw->conf.chandef.width == NL80211_CHAN_WIDTH_40) + val32 = 0x01000; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RX_BB2, val32); + + /* RC Corner */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x00140); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RX_G2, 0x01c6c); +} + +static void rtl8188fu_init_aggregation(struct rtl8xxxu_priv *priv) +{ + u8 agg_ctrl, rxdma_mode, usb_tx_agg_desc_num = 6; + u32 agg_rx, val32; + + /* TX aggregation */ + val32 = rtl8xxxu_read32(priv, REG_DWBCN0_CTRL_8188F); + val32 &= ~(0xf << 4); + val32 |= usb_tx_agg_desc_num << 4; + rtl8xxxu_write32(priv, REG_DWBCN0_CTRL_8188F, val32); + rtl8xxxu_write8(priv, REG_DWBCN1_CTRL_8723B, usb_tx_agg_desc_num << 1); + + /* RX aggregation */ + agg_ctrl = rtl8xxxu_read8(priv, REG_TRXDMA_CTRL); + agg_ctrl &= ~TRXDMA_CTRL_RXDMA_AGG_EN; + + agg_rx = rtl8xxxu_read32(priv, REG_RXDMA_AGG_PG_TH); + agg_rx &= ~RXDMA_USB_AGG_ENABLE; + agg_rx &= ~0xFF0F; /* reset agg size and timeout */ + + rxdma_mode = rtl8xxxu_read8(priv, REG_RXDMA_PRO_8723B); + rxdma_mode &= ~BIT(1); + + rtl8xxxu_write8(priv, REG_TRXDMA_CTRL, agg_ctrl); + rtl8xxxu_write32(priv, REG_RXDMA_AGG_PG_TH, agg_rx); + rtl8xxxu_write8(priv, REG_RXDMA_PRO_8723B, rxdma_mode); +} + +static void rtl8188fu_init_statistics(struct rtl8xxxu_priv *priv) +{ + u32 val32; + + /* Time duration for NHM unit: 4us, 0xc350=200ms */ + rtl8xxxu_write16(priv, REG_NHM_TIMER_8723B + 2, 0xc350); + rtl8xxxu_write16(priv, REG_NHM_TH9_TH10_8723B + 2, 0xffff); + rtl8xxxu_write32(priv, REG_NHM_TH3_TO_TH0_8723B, 0xffffff50); + rtl8xxxu_write32(priv, REG_NHM_TH7_TO_TH4_8723B, 0xffffffff); + + /* TH8 */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 |= 0xff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* Enable CCK */ + val32 = rtl8xxxu_read32(priv, REG_NHM_TH9_TH10_8723B); + val32 &= ~(BIT(8) | BIT(9) | BIT(10)); + val32 |= BIT(8); + rtl8xxxu_write32(priv, REG_NHM_TH9_TH10_8723B, val32); + + /* Max power amongst all RX antennas */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_FA_RSTC); + val32 |= BIT(7); + rtl8xxxu_write32(priv, REG_OFDM0_FA_RSTC, val32); +} + +static int rtl8188fu_parse_efuse(struct rtl8xxxu_priv *priv) +{ + struct rtl8188fu_efuse *efuse = &priv->efuse_wifi.efuse8188fu; + int i; + + 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->tx_power_index_A.cck_base, + sizeof(efuse->tx_power_index_A.cck_base)); + + memcpy(priv->ht40_1s_tx_power_index_A, + efuse->tx_power_index_A.ht40_base, + sizeof(efuse->tx_power_index_A.ht40_base)); + + priv->ofdm_tx_power_diff[0].a = efuse->tx_power_index_A.ht20_ofdm_1s_diff.a; + priv->ht20_tx_power_diff[0].a = efuse->tx_power_index_A.ht20_ofdm_1s_diff.b; + + priv->default_crystal_cap = efuse->xtal_k & 0x3f; + + dev_info(&priv->udev->dev, "Vendor: %.7s\n", efuse->vendor_name); + dev_info(&priv->udev->dev, "Product: %.7s\n", efuse->device_name); + + if (rtl8xxxu_debug & RTL8XXXU_DEBUG_EFUSE) { + unsigned char *raw = priv->efuse_wifi.raw; + + dev_info(&priv->udev->dev, + "%s: dumping efuse (0x%02zx bytes):\n", + __func__, sizeof(struct rtl8188fu_efuse)); + for (i = 0; i < sizeof(struct rtl8188fu_efuse); i += 8) + dev_info(&priv->udev->dev, "%02x: %8ph\n", i, &raw[i]); + } + + return 0; +} + +static int rtl8188fu_load_firmware(struct rtl8xxxu_priv *priv) +{ + char *fw_name; + int ret; + + fw_name = "rtlwifi/rtl8188fufw.bin"; + + ret = rtl8xxxu_load_firmware(priv, fw_name); + + return ret; +} + +static void rtl8188fu_init_phy_bb(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u16 val16; + + /* Enable BB and RF */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 |= SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_DIO_RF; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + + /* + * Per vendor driver, run power sequence before init of RF + */ + val8 = RF_ENABLE | RF_RSTB | RF_SDMRSTB; + rtl8xxxu_write8(priv, REG_RF_CTRL, val8); + + usleep_range(10, 20); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_IQADJ_G1, 0x780); + + val8 = SYS_FUNC_BB_GLB_RSTN | SYS_FUNC_BBRSTB | SYS_FUNC_USBA | SYS_FUNC_USBD; + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); + + rtl8xxxu_init_phy_regs(priv, rtl8188fu_phy_init_table); + rtl8xxxu_init_phy_regs(priv, rtl8188f_agc_table); +} + +static int rtl8188fu_init_phy_rf(struct rtl8xxxu_priv *priv) +{ + int ret; + + if (priv->chip_cut == 1) + ret = rtl8xxxu_init_phy_rf(priv, rtl8188fu_cut_b_radioa_init_table, RF_A); + else + ret = rtl8xxxu_init_phy_rf(priv, rtl8188fu_radioa_init_table, RF_A); + + return ret; +} + +static void rtl8188f_phy_lc_calibrate(struct rtl8xxxu_priv *priv) +{ + u32 val32; + u32 rf_amode, lstf; + int i; + + /* Check continuous TX and Packet TX */ + lstf = rtl8xxxu_read32(priv, REG_OFDM1_LSTF); + + if (lstf & OFDM_LSTF_MASK) { + /* Disable all continuous TX */ + val32 = lstf & ~OFDM_LSTF_MASK; + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, val32); + } else { + /* Deal with Packet TX case */ + /* block all queues */ + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + } + + /* Read original RF mode Path A */ + rf_amode = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG); + + /* Start LC calibration */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, rf_amode | 0x08000); + + for (i = 0; i < 100; i++) { + if ((rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_MODE_AG) & 0x08000) == 0) + break; + msleep(10); + } + + if (i == 100) + dev_warn(&priv->udev->dev, "LC calibration timed out.\n"); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_MODE_AG, rf_amode); + + /* Restore original parameters */ + if (lstf & OFDM_LSTF_MASK) + rtl8xxxu_write32(priv, REG_OFDM1_LSTF, lstf); + else /* Deal with Packet TX case */ + rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); +} + +static int rtl8188fu_iqk_path_a(struct rtl8xxxu_priv *priv, u32 *lok_result) +{ + u32 reg_eac, reg_e94, reg_e9c, val32; + int result = 0; + + /* + * Leave IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* + * Enable path A PA in TX IQK mode + */ + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); + val32 |= 0x80000; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x20000); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0x07ff7); + + /* PA,PAD gain adjust */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x980); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x5102a); + + /* enter IQK mode */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + val32 |= 0x80800000; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* path-A IQK setting */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x18008c1c); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x38008c1c); + + rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x821403ff); + rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000); + + /* LO calibration setting */ + rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911); + + /* One shot, path A LOK & IQK */ + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); + + mdelay(25); + + /* + * Leave IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180); + + /* save LOK result */ + *lok_result = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_TXM_IDAC); + + /* Check failed */ + reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); + reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); + reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); + + if (!(reg_eac & BIT(28)) && + ((reg_e94 & 0x03ff0000) != 0x01420000) && + ((reg_e9c & 0x03ff0000) != 0x00420000)) + result |= 0x01; + + return result; +} + +static int rtl8188fu_rx_iqk_path_a(struct rtl8xxxu_priv *priv, u32 lok_result) +{ + u32 reg_ea4, reg_eac, reg_e94, reg_e9c, val32; + int result = 0; + + /* + * Leave IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* + * Enable path A PA in TX IQK mode + */ + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); + val32 |= 0x80000; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf1173); + + /* PA,PAD gain adjust */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x980); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x5102a); + + /* + * Enter IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + val32 |= 0x80800000; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* + * Tx IQK setting + */ + rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); + rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); + + /* path-A IQK setting */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x10008c1c); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x30008c1c); + + rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160fff); + rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x28160000); + + /* LO calibration setting */ + rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x00462911); + + /* One shot, path A LOK & IQK */ + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); + + mdelay(25); + + /* + * Leave IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180); + + /* Check failed */ + reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); + reg_e94 = rtl8xxxu_read32(priv, REG_TX_POWER_BEFORE_IQK_A); + reg_e9c = rtl8xxxu_read32(priv, REG_TX_POWER_AFTER_IQK_A); + + if (!(reg_eac & BIT(28)) && + ((reg_e94 & 0x03ff0000) != 0x01420000) && + ((reg_e9c & 0x03ff0000) != 0x00420000)) + result |= 0x01; + else /* If TX not OK, ignore RX */ + goto out; + + val32 = 0x80007c00 | (reg_e94 & 0x3ff0000) | + ((reg_e9c & 0x3ff0000) >> 16); + rtl8xxxu_write32(priv, REG_TX_IQK, val32); + + /* + * Modify RX IQK mode table + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_WE_LUT); + val32 |= 0x80000; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_WE_LUT, val32); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_RCK_OS, 0x30000); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G1, 0x0000f); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXPA_G2, 0xf7ff2); + + /* + * PA, PAD setting + */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x980); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_56, 0x51000); + + /* + * Enter IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + val32 |= 0x80800000; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + /* + * RX IQK setting + */ + rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); + + /* path-A IQK setting */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x30008c1c); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x10008c1c); + + rtl8xxxu_write32(priv, REG_TX_IQK_PI_A, 0x82160000); + rtl8xxxu_write32(priv, REG_RX_IQK_PI_A, 0x281613ff); + + /* LO calibration setting */ + rtl8xxxu_write32(priv, REG_IQK_AGC_RSP, 0x0046a911); + + /* One shot, path A LOK & IQK */ + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf9000000); + rtl8xxxu_write32(priv, REG_IQK_AGC_PTS, 0xf8000000); + + mdelay(25); + + /* + * Leave IQK mode + */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0x000000ff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_DF, 0x180); + + /* reload LOK value */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_TXM_IDAC, lok_result); + + /* Check failed */ + reg_eac = rtl8xxxu_read32(priv, REG_RX_POWER_AFTER_IQK_A_2); + reg_ea4 = rtl8xxxu_read32(priv, REG_RX_POWER_BEFORE_IQK_A_2); + + if (!(reg_eac & BIT(27)) && + ((reg_ea4 & 0x03ff0000) != 0x01320000) && + ((reg_eac & 0x03ff0000) != 0x00360000)) + result |= 0x02; + +out: + return result; +} + +static void rtl8188fu_phy_iqcalibrate(struct rtl8xxxu_priv *priv, + int result[][8], int t) +{ + struct device *dev = &priv->udev->dev; + u32 i, val32, rx_initial_gain, lok_result; + u32 path_sel_bb, path_sel_rf; + int path_a_ok; + int retry = 2; + static const u32 adda_regs[RTL8XXXU_ADDA_REGS] = { + REG_FPGA0_XCD_SWITCH_CTRL, REG_BLUETOOTH, + REG_RX_WAIT_CCA, REG_TX_CCK_RFON, + REG_TX_CCK_BBON, REG_TX_OFDM_RFON, + REG_TX_OFDM_BBON, REG_TX_TO_RX, + REG_TX_TO_TX, REG_RX_CCK, + REG_RX_OFDM, REG_RX_WAIT_RIFS, + REG_RX_TO_RX, REG_STANDBY, + REG_SLEEP, REG_PMPD_ANAEN + }; + static const u32 iqk_mac_regs[RTL8XXXU_MAC_REGS] = { + REG_TXPAUSE, REG_BEACON_CTRL, + REG_BEACON_CTRL_1, REG_GPIO_MUXCFG + }; + static const u32 iqk_bb_regs[RTL8XXXU_BB_REGS] = { + REG_OFDM0_TRX_PATH_ENABLE, REG_OFDM0_TR_MUX_PAR, + REG_FPGA0_XCD_RF_SW_CTRL, REG_CONFIG_ANT_A, REG_CONFIG_ANT_B, + REG_FPGA0_XAB_RF_SW_CTRL, REG_FPGA0_XA_RF_INT_OE, + REG_FPGA0_XB_RF_INT_OE, REG_FPGA0_RF_MODE + }; + + /* + * Note: IQ calibration must be performed after loading + * PHY_REG.txt , and radio_a, radio_b.txt + */ + + rx_initial_gain = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); + + if (t == 0) { + /* Save ADDA parameters, turn Path A ADDA on */ + rtl8xxxu_save_regs(priv, adda_regs, priv->adda_backup, + RTL8XXXU_ADDA_REGS); + rtl8xxxu_save_mac_regs(priv, iqk_mac_regs, priv->mac_backup); + rtl8xxxu_save_regs(priv, iqk_bb_regs, + priv->bb_backup, RTL8XXXU_BB_REGS); + } + + rtl8xxxu_path_adda_on(priv, adda_regs, true); + + if (t == 0) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_XA_HSSI_PARM1); + priv->pi_enabled = val32 & FPGA0_HSSI_PARM1_PI; + } + + /* save RF path */ + path_sel_bb = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); + path_sel_rf = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_S0S1); + + /* BB setting */ + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, 0x03a05600); + rtl8xxxu_write32(priv, REG_OFDM0_TR_MUX_PAR, 0x000800e4); + rtl8xxxu_write32(priv, REG_FPGA0_XCD_RF_SW_CTRL, 0x25204000); + + /* MAC settings */ + val32 = rtl8xxxu_read32(priv, REG_TX_PTCL_CTRL); + val32 |= 0x00ff0000; + rtl8xxxu_write32(priv, REG_TX_PTCL_CTRL, val32); + + /* IQ calibration setting */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0xff; + val32 |= 0x80800000; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + rtl8xxxu_write32(priv, REG_TX_IQK, 0x01007c00); + rtl8xxxu_write32(priv, REG_RX_IQK, 0x01004800); + + for (i = 0; i < retry; i++) { + path_a_ok = rtl8188fu_iqk_path_a(priv, &lok_result); + if (path_a_ok == 0x01) { + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0xff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_BEFORE_IQK_A); + result[t][0] = (val32 >> 16) & 0x3ff; + + val32 = rtl8xxxu_read32(priv, + REG_TX_POWER_AFTER_IQK_A); + result[t][1] = (val32 >> 16) & 0x3ff; + break; + } + } + + for (i = 0; i < retry; i++) { + path_a_ok = rtl8188fu_rx_iqk_path_a(priv, lok_result); + if (path_a_ok == 0x03) { + val32 = rtl8xxxu_read32(priv, + REG_RX_POWER_BEFORE_IQK_A_2); + result[t][2] = (val32 >> 16) & 0x3ff; + + val32 = rtl8xxxu_read32(priv, + REG_RX_POWER_AFTER_IQK_A_2); + result[t][3] = (val32 >> 16) & 0x3ff; + break; + } + } + + if (!path_a_ok) + dev_dbg(dev, "%s: Path A IQK failed!\n", __func__); + + /* Back to BB mode, load original value */ + val32 = rtl8xxxu_read32(priv, REG_FPGA0_IQK); + val32 &= 0xff; + rtl8xxxu_write32(priv, REG_FPGA0_IQK, val32); + + if (t == 0) + return; + + if (!priv->pi_enabled) { + /* + * Switch back BB to SI mode after finishing + * IQ Calibration + */ + val32 = 0x01000000; + rtl8xxxu_write32(priv, REG_FPGA0_XA_HSSI_PARM1, val32); + rtl8xxxu_write32(priv, REG_FPGA0_XB_HSSI_PARM1, val32); + } + + /* Reload ADDA power saving parameters */ + rtl8xxxu_restore_regs(priv, adda_regs, priv->adda_backup, + RTL8XXXU_ADDA_REGS); + + /* Reload MAC parameters */ + rtl8xxxu_restore_mac_regs(priv, iqk_mac_regs, priv->mac_backup); + + /* Reload BB parameters */ + rtl8xxxu_restore_regs(priv, iqk_bb_regs, + priv->bb_backup, RTL8XXXU_BB_REGS); + + /* Reload RF path */ + rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel_bb); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, path_sel_rf); + + /* Restore RX initial gain */ + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); + val32 &= 0xffffff00; + val32 |= 0x50; + rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32); + val32 = rtl8xxxu_read32(priv, REG_OFDM0_XA_AGC_CORE1); + val32 &= 0xffffff00; + val32 |= rx_initial_gain & 0xff; + rtl8xxxu_write32(priv, REG_OFDM0_XA_AGC_CORE1, val32); + + /* Load 0xe30 IQC default value */ + rtl8xxxu_write32(priv, REG_TX_IQK_TONE_A, 0x01008c00); + rtl8xxxu_write32(priv, REG_RX_IQK_TONE_A, 0x01008c00); +} + +static void rtl8188fu_phy_iq_calibrate(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + int result[4][8]; /* last is final result */ + int i, candidate; + bool path_a_ok; + u32 reg_e94, reg_e9c, reg_ea4, reg_eac; + u32 reg_eb4, reg_ebc, reg_ec4, reg_ecc; + s32 reg_tmp = 0; + bool simu; + u32 path_sel_bb, path_sel_rf; + + /* Save RF path */ + path_sel_bb = rtl8xxxu_read32(priv, REG_S0S1_PATH_SWITCH); + path_sel_rf = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_S0S1); + + memset(result, 0, sizeof(result)); + candidate = -1; + + path_a_ok = false; + + for (i = 0; i < 3; i++) { + rtl8188fu_phy_iqcalibrate(priv, result, i); + + if (i == 1) { + simu = rtl8xxxu_gen2_simularity_compare(priv, result, 0, 1); + if (simu) { + candidate = 0; + break; + } + } + + if (i == 2) { + simu = rtl8xxxu_gen2_simularity_compare(priv, result, 0, 2); + if (simu) { + candidate = 0; + break; + } + + simu = rtl8xxxu_gen2_simularity_compare(priv, result, 1, 2); + if (simu) { + candidate = 1; + } else { + for (i = 0; i < 8; i++) + reg_tmp += result[3][i]; + + if (reg_tmp) + candidate = 3; + else + candidate = -1; + } + } + } + + for (i = 0; i < 4; i++) { + reg_e94 = result[i][0]; + reg_e9c = result[i][1]; + reg_ea4 = result[i][2]; + reg_eac = result[i][3]; + reg_eb4 = result[i][4]; + reg_ebc = result[i][5]; + reg_ec4 = result[i][6]; + reg_ecc = result[i][7]; + } + + if (candidate >= 0) { + reg_e94 = result[candidate][0]; + priv->rege94 = reg_e94; + reg_e9c = result[candidate][1]; + priv->rege9c = reg_e9c; + reg_ea4 = result[candidate][2]; + reg_eac = result[candidate][3]; + reg_eb4 = result[candidate][4]; + priv->regeb4 = reg_eb4; + reg_ebc = result[candidate][5]; + priv->regebc = reg_ebc; + reg_ec4 = result[candidate][6]; + reg_ecc = result[candidate][7]; + dev_dbg(dev, "%s: candidate is %x\n", __func__, candidate); + dev_dbg(dev, + "%s: e94 =%x e9c=%x ea4=%x eac=%x eb4=%x ebc=%x ec4=%x ecc=%x\n", + __func__, reg_e94, reg_e9c, + reg_ea4, reg_eac, reg_eb4, reg_ebc, reg_ec4, reg_ecc); + path_a_ok = true; + } else { + reg_e94 = reg_eb4 = priv->rege94 = priv->regeb4 = 0x100; + reg_e9c = reg_ebc = priv->rege9c = priv->regebc = 0x0; + } + + if (reg_e94 && candidate >= 0) + rtl8xxxu_fill_iqk_matrix_a(priv, path_a_ok, result, + candidate, (reg_ea4 == 0)); + + rtl8xxxu_save_regs(priv, rtl8xxxu_iqk_phy_iq_bb_reg, + priv->bb_recovery_backup, RTL8XXXU_BB_REGS); + + rtl8xxxu_write32(priv, REG_S0S1_PATH_SWITCH, path_sel_bb); + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_S0S1, path_sel_rf); +} + +static void rtl8188f_disabled_to_emu(struct rtl8xxxu_priv *priv) +{ + u16 val8; + + /* 0x04[12:11] = 2b'01enable WL suspend */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~((APS_FSMCO_PCIE | APS_FSMCO_HW_SUSPEND) >> 8); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* 0xC4[4] <= 1, turn off USB APHY LDO under suspend mode */ + val8 = rtl8xxxu_read8(priv, 0xc4); + val8 &= ~BIT(4); + rtl8xxxu_write8(priv, 0xc4, val8); +} + +static int rtl8188f_emu_to_active(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u32 val32; + int count, ret = 0; + + /* Disable SW LPS */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~(APS_FSMCO_SW_LPS >> 8); + 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; + } + + /* Disable HWPDN */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~(APS_FSMCO_HW_POWERDOWN >> 8); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* Disable WL suspend */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~(APS_FSMCO_HW_SUSPEND >> 8); + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* set, then poll until 0 */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 |= APS_FSMCO_MAC_ENABLE >> 8; + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + 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; + } + + /* 0x27<=35 to reduce RF noise */ + val8 = rtl8xxxu_write8(priv, 0x27, 0x35); +exit: + return ret; +} + +static int rtl8188fu_active_to_emu(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u32 val32; + int count, ret = 0; + + /* Turn off RF */ + rtl8xxxu_write8(priv, REG_RF_CTRL, 0); + + /* 0x4C[23] = 0x4E[7] = 0, switch DPDT_SEL_P output from register 0x65[2] */ + val8 = rtl8xxxu_read8(priv, 0x4e); + val8 &= ~BIT(7); + rtl8xxxu_write8(priv, 0x4e, val8); + + /* 0x27 <= 34, xtal_qsel = 0 to xtal bring up */ + rtl8xxxu_write8(priv, 0x27, 0x34); + + /* 0x04[9] = 1 turn off MAC by HW state machine */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 |= APS_FSMCO_MAC_OFF >> 8; + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + for (count = RTL8XXXU_MAX_REG_POLL; count; count--) { + val32 = rtl8xxxu_read32(priv, REG_APS_FSMCO); + if ((val32 & APS_FSMCO_MAC_OFF) == 0) { + ret = 0; + break; + } + udelay(10); + } + + if (!count) { + ret = -EBUSY; + goto exit; + } + +exit: + return ret; +} + +static int rtl8188fu_emu_to_disabled(struct rtl8xxxu_priv *priv) +{ + u8 val8; + + /* 0x04[12:11] = 2b'01 enable WL suspend */ + val8 = rtl8xxxu_read8(priv, REG_APS_FSMCO + 1); + val8 &= ~((APS_FSMCO_PCIE | APS_FSMCO_HW_SUSPEND) >> 8); + val8 |= APS_FSMCO_HW_SUSPEND >> 8; + rtl8xxxu_write8(priv, REG_APS_FSMCO + 1, val8); + + /* 0xC4[4] <= 1, turn off USB APHY LDO under suspend mode */ + val8 = rtl8xxxu_read8(priv, 0xc4); + val8 |= BIT(4); + rtl8xxxu_write8(priv, 0xc4, val8); + + return 0; +} + +static int rtl8188fu_active_to_lps(struct rtl8xxxu_priv *priv) +{ + struct device *dev = &priv->udev->dev; + u8 val8; + u16 val16; + u32 val32; + int retry, retval; + + /* set RPWM IMR */ + val8 = rtl8xxxu_read8(priv, REG_FTIMR + 1); + val8 |= IMR0_CPWM >> 8; + rtl8xxxu_write8(priv, REG_FTIMR + 1, val8); + + /* Tx Pause */ + rtl8xxxu_write8(priv, REG_TXPAUSE, 0xff); + + retry = 100; + retval = -EBUSY; + + /* + * Poll 32 bit wide REG_SCH_TX_CMD for 0x00000000 to ensure no TX is pending. + */ + do { + val32 = rtl8xxxu_read32(priv, REG_SCH_TX_CMD); + if (!val32) { + retval = 0; + break; + } + } while (retry--); + + if (!retry) { + dev_warn(dev, "Failed to flush TX queue\n"); + retval = -EBUSY; + goto out; + } + + /* Disable CCK and OFDM, clock gated */ + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); + val8 &= ~SYS_FUNC_BBRSTB; + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); + + udelay(2); + + /* Whole BB is reset */ + val8 = rtl8xxxu_read8(priv, REG_SYS_FUNC); + val8 &= ~SYS_FUNC_BB_GLB_RSTN; + rtl8xxxu_write8(priv, REG_SYS_FUNC, val8); + + /* Reset MAC TRX */ + val16 = rtl8xxxu_read16(priv, REG_CR); + val16 |= 0x3f; + val16 &= ~(CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE | CR_SECURITY_ENABLE); + rtl8xxxu_write16(priv, REG_CR, val16); + + /* Respond TxOK to scheduler */ + val8 = rtl8xxxu_read8(priv, REG_DUAL_TSF_RST); + val8 |= DUAL_TSF_TX_OK; + rtl8xxxu_write8(priv, REG_DUAL_TSF_RST, val8); + +out: + return retval; +} + +static int rtl8188fu_power_on(struct rtl8xxxu_priv *priv) +{ + u16 val16; + int ret; + + rtl8188f_disabled_to_emu(priv); + + ret = rtl8188f_emu_to_active(priv); + if (ret) + goto exit; + + rtl8xxxu_write8(priv, REG_CR, 0); + + 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_SECURITY_ENABLE | CR_CALTIMER_ENABLE); + rtl8xxxu_write16(priv, REG_CR, val16); + +exit: + return ret; +} + +static void rtl8188fu_power_off(struct rtl8xxxu_priv *priv) +{ + u8 val8; + u16 val16; + + rtl8xxxu_flush_fifo(priv); + + val16 = rtl8xxxu_read16(priv, REG_GPIO_MUXCFG); + val16 &= ~BIT(12); + rtl8xxxu_write16(priv, REG_GPIO_MUXCFG, val16); + + rtl8xxxu_write32(priv, REG_HISR0, 0xFFFFFFFF); + rtl8xxxu_write32(priv, REG_HISR1, 0xFFFFFFFF); + + /* Stop Tx Report Timer. 0x4EC[Bit1]=b'0 */ + val8 = rtl8xxxu_read8(priv, REG_TX_REPORT_CTRL); + val8 &= ~TX_REPORT_CTRL_TIMER_ENABLE; + rtl8xxxu_write8(priv, REG_TX_REPORT_CTRL, val8); + + /* Turn off RF */ + rtl8xxxu_write8(priv, REG_RF_CTRL, 0x00); + + /* Reset Firmware if running in RAM */ + if (rtl8xxxu_read8(priv, REG_MCU_FW_DL) & MCU_FW_RAM_SEL) + rtl8xxxu_firmware_self_reset(priv); + + rtl8188fu_active_to_lps(priv); + + /* Reset MCU */ + val16 = rtl8xxxu_read16(priv, REG_SYS_FUNC); + val16 &= ~SYS_FUNC_CPU_ENABLE; + rtl8xxxu_write16(priv, REG_SYS_FUNC, val16); + + /* Reset MCU ready status */ + rtl8xxxu_write8(priv, REG_MCU_FW_DL, 0x00); + + rtl8188fu_active_to_emu(priv); + rtl8188fu_emu_to_disabled(priv); +} + +#define PPG_BB_GAIN_2G_TXA_OFFSET_8188F 0xee +#define PPG_BB_GAIN_2G_TX_OFFSET_MASK 0x0f + +static void rtl8188f_enable_rf(struct rtl8xxxu_priv *priv) +{ + u32 val32; + u8 pg_pwrtrim = 0xff, val8; + s8 bb_gain; + + /* Somehow this is not found in the efuse we read earlier. */ + rtl8xxxu_read_efuse8(priv, PPG_BB_GAIN_2G_TXA_OFFSET_8188F, &pg_pwrtrim); + + if (pg_pwrtrim != 0xff) { + bb_gain = pg_pwrtrim & PPG_BB_GAIN_2G_TX_OFFSET_MASK; + + if (bb_gain == PPG_BB_GAIN_2G_TX_OFFSET_MASK) + bb_gain = 0; + else if (bb_gain & 1) + bb_gain = bb_gain >> 1; + else + bb_gain = -(bb_gain >> 1); + + val8 = abs(bb_gain); + if (bb_gain > 0) + val8 |= BIT(5); + + val32 = rtl8xxxu_read_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55); + val32 &= ~0xfc000; + val32 |= val8 << 14; + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_UNKNOWN_55, val32); + } + + rtl8xxxu_write8(priv, REG_RF_CTRL, RF_ENABLE | RF_RSTB | RF_SDMRSTB); + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); + val32 &= ~(OFDM_RF_PATH_RX_MASK | OFDM_RF_PATH_TX_MASK); + val32 |= OFDM_RF_PATH_RX_A | OFDM_RF_PATH_TX_A; + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); + + rtl8xxxu_write8(priv, REG_TXPAUSE, 0x00); +} + +static void rtl8188f_disable_rf(struct rtl8xxxu_priv *priv) +{ + u32 val32; + + val32 = rtl8xxxu_read32(priv, REG_OFDM0_TRX_PATH_ENABLE); + val32 &= ~OFDM_RF_PATH_TX_MASK; + rtl8xxxu_write32(priv, REG_OFDM0_TRX_PATH_ENABLE, val32); + + /* Power down RF module */ + rtl8xxxu_write_rfreg(priv, RF_A, RF6052_REG_AC, 0); +} + +static void rtl8188f_usb_quirks(struct rtl8xxxu_priv *priv) +{ + u16 val16; + u32 val32; + + val16 = rtl8xxxu_read16(priv, REG_CR); + val16 |= (CR_MAC_TX_ENABLE | CR_MAC_RX_ENABLE); + rtl8xxxu_write16(priv, REG_CR, val16); + + val32 = rtl8xxxu_read32(priv, REG_TXDMA_OFFSET_CHK); + val32 |= TXDMA_OFFSET_DROP_DATA_EN; + rtl8xxxu_write32(priv, REG_TXDMA_OFFSET_CHK, val32); +} + +#define XTAL1 GENMASK(22, 17) +#define XTAL0 GENMASK(16, 11) + +static void rtl8188f_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_AFE_XTAL_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_AFE_XTAL_CTRL, val32); + + cfo->crystal_cap = crystal_cap; +} + +static s8 rtl8188f_cck_rssi(struct rtl8xxxu_priv *priv, u8 cck_agc_rpt) +{ + s8 rx_pwr_all = 0x00; + u8 vga_idx, lna_idx; + + lna_idx = (cck_agc_rpt & 0xE0) >> 5; + vga_idx = cck_agc_rpt & 0x1F; + + switch (lna_idx) { + case 7: + if (vga_idx <= 27) + rx_pwr_all = -100 + 2 * (27 - vga_idx); + else + rx_pwr_all = -100; + break; + case 5: + rx_pwr_all = -74 + 2 * (21 - vga_idx); + break; + case 3: + rx_pwr_all = -60 + 2 * (20 - vga_idx); + break; + case 1: + rx_pwr_all = -44 + 2 * (19 - vga_idx); + break; + default: + break; + } + + return rx_pwr_all; +} + +struct rtl8xxxu_fileops rtl8188fu_fops = { + .identify_chip = rtl8188fu_identify_chip, + .parse_efuse = rtl8188fu_parse_efuse, + .load_firmware = rtl8188fu_load_firmware, + .power_on = rtl8188fu_power_on, + .power_off = rtl8188fu_power_off, + .reset_8051 = rtl8xxxu_reset_8051, + .llt_init = rtl8xxxu_auto_llt_table, + .init_phy_bb = rtl8188fu_init_phy_bb, + .init_phy_rf = rtl8188fu_init_phy_rf, + .phy_init_antenna_selection = rtl8723bu_phy_init_antenna_selection, + .phy_lc_calibrate = rtl8188f_phy_lc_calibrate, + .phy_iq_calibrate = rtl8188fu_phy_iq_calibrate, + .config_channel = rtl8188fu_config_channel, + .parse_rx_desc = rtl8xxxu_parse_rxdesc24, + .init_aggregation = rtl8188fu_init_aggregation, + .init_statistics = rtl8188fu_init_statistics, + .init_burst = rtl8xxxu_init_burst, + .enable_rf = rtl8188f_enable_rf, + .disable_rf = rtl8188f_disable_rf, + .usb_quirks = rtl8188f_usb_quirks, + .set_tx_power = rtl8188f_set_tx_power, + .update_rate_mask = rtl8xxxu_gen2_update_rate_mask, + .report_connect = rtl8xxxu_gen2_report_connect, + .fill_txdesc = rtl8xxxu_fill_txdesc_v2, + .set_crystal_cap = rtl8188f_set_crystal_cap, + .cck_rssi = rtl8188f_cck_rssi, + .writeN_block_size = 128, + .rx_desc_size = sizeof(struct rtl8xxxu_rxdesc24), + .tx_desc_size = sizeof(struct rtl8xxxu_txdesc40), + .has_s0s1 = 1, + .has_tx_report = 1, + .gen2_thermal_meter = 1, + .needs_full_init = 1, + .adda_1t_init = 0x03c00014, + .adda_1t_path_on = 0x03c00014, + .trxff_boundary = 0x3f7f, + .pbp_rx = PBP_PAGE_SIZE_256, + .pbp_tx = PBP_PAGE_SIZE_256, + .mactable = rtl8188f_mac_init_table, + .total_page_num = TX_TOTAL_PAGE_NUM_8188F, + .page_num_hi = TX_PAGE_NUM_HI_PQ_8188F, + .page_num_lo = TX_PAGE_NUM_LO_PQ_8188F, + .page_num_norm = TX_PAGE_NUM_NORM_PQ_8188F, +}; 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