From: Stanislaw Gruszka Date: Sat, 16 Mar 2013 18:19:34 +0000 (+0100) Subject: rt2800: 5592: BBP registers initialization X-Git-Tag: v3.10-rc2~34^2~21^2^2~257 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a7bbbe5cac174ddddb1b093cd84f8ed9a69cff00;p=platform%2Fkernel%2Flinux-stable.git rt2800: 5592: BBP registers initialization Based on: NICInitRT5592BbpRegisters() NICInitBBP() from: DPO_RT5572_LinuxSTA_2.6.1.3_20121022/chips/rt5592.c DPO_RT5572_LinuxSTA_2.6.1.3_20121022/common/rtmp_init.c Signed-off-by: Stanislaw Gruszka Tested-by: Wanlong Gao Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index acb5e62..9d18d53 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -90,11 +90,8 @@ #define REV_RT3390E 0x0211 #define REV_RT5390F 0x0502 #define REV_RT5390R 0x1502 +#define REV_RT5592C 0x0221 -/* - * Signal information. - * Default offset is required for RSSI <-> dBm conversion. - */ #define DEFAULT_RSSI_OFFSET 120 /* @@ -1956,6 +1953,20 @@ struct mac_iveiv_entry { #define BBP49_UPDATE_FLAG FIELD8(0x01) /* + * BBP 105: + * - bit0: detect SIG on primary channel only (on 40MHz bandwidth) + * - bit1: FEQ (Feed Forward Compensation) for independend streams + * - bit2: MLD (Maximum Likehood Detection) for 2 streams (reserved on single + * stream) + * - bit4: channel estimation updates based on remodulation of + * L-SIG and HT-SIG symbols + */ +#define BBP105_DETECT_SIG_ON_PRIMARY FIELD8(0x01) +#define BBP105_FEQ FIELD8(0x02) +#define BBP105_MLD FIELD8(0x04) +#define BBP105_SIG_REMODULATION FIELD8(0x08) + +/* * BBP 109 */ #define BBP109_TX0_POWER FIELD8(0x0f) @@ -1975,6 +1986,11 @@ struct mac_iveiv_entry { #define BBP152_RX_DEFAULT_ANT FIELD8(0x80) /* + * BBP 254: unknown + */ +#define BBP254_BIT7 FIELD8(0x80) + +/* * RFCSR registers * The wordsize of the RFCSR is 8 bits. */ diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index a35bce4..16e4200 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -3744,6 +3744,104 @@ static int rt2800_wait_bbp_ready(struct rt2x00_dev *rt2x00dev) return -EACCES; } +static void rt2800_bbp4_mac_if_ctrl(struct rt2x00_dev *rt2x00dev) +{ + u8 value; + + rt2800_bbp_read(rt2x00dev, 4, &value); + rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1); + rt2800_bbp_write(rt2x00dev, 4, value); +} + +static void rt2800_init_bbp_5592_glrt(struct rt2x00_dev *rt2x00dev) +{ + const u8 glrt_table[] = { + 0xE0, 0x1F, 0X38, 0x32, 0x08, 0x28, 0x19, 0x0A, 0xFF, 0x00, /* 128 ~ 137 */ + 0x16, 0x10, 0x10, 0x0B, 0x36, 0x2C, 0x26, 0x24, 0x42, 0x36, /* 138 ~ 147 */ + 0x30, 0x2D, 0x4C, 0x46, 0x3D, 0x40, 0x3E, 0x42, 0x3D, 0x40, /* 148 ~ 157 */ + 0X3C, 0x34, 0x2C, 0x2F, 0x3C, 0x35, 0x2E, 0x2A, 0x49, 0x41, /* 158 ~ 167 */ + 0x36, 0x31, 0x30, 0x30, 0x0E, 0x0D, 0x28, 0x21, 0x1C, 0x16, /* 168 ~ 177 */ + 0x50, 0x4A, 0x43, 0x40, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, /* 178 ~ 187 */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 188 ~ 197 */ + 0x00, 0x00, 0x7D, 0x14, 0x32, 0x2C, 0x36, 0x4C, 0x43, 0x2C, /* 198 ~ 207 */ + 0x2E, 0x36, 0x30, 0x6E, /* 208 ~ 211 */ + }; + int i; + + for (i = 0; i < ARRAY_SIZE(glrt_table); i++) { + rt2800_bbp_write(rt2x00dev, 195, 128 + i); + rt2800_bbp_write(rt2x00dev, 196, glrt_table[i]); + } +}; + +static void rt2800_init_bbp_5592(struct rt2x00_dev *rt2x00dev) +{ + int ant, div_mode; + u16 eeprom; + u8 value; + + rt2800_bbp_read(rt2x00dev, 105, &value); + rt2x00_set_field8(&value, BBP105_MLD, + rt2x00dev->default_ant.rx_chain_num == 2); + rt2800_bbp_write(rt2x00dev, 105, value); + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2800_bbp_write(rt2x00dev, 20, 0x06); + rt2800_bbp_write(rt2x00dev, 31, 0x08); + rt2800_bbp_write(rt2x00dev, 65, 0x2C); + rt2800_bbp_write(rt2x00dev, 68, 0xDD); + rt2800_bbp_write(rt2x00dev, 69, 0x1A); + rt2800_bbp_write(rt2x00dev, 70, 0x05); + rt2800_bbp_write(rt2x00dev, 73, 0x13); + rt2800_bbp_write(rt2x00dev, 74, 0x0F); + rt2800_bbp_write(rt2x00dev, 75, 0x4F); + rt2800_bbp_write(rt2x00dev, 76, 0x28); + rt2800_bbp_write(rt2x00dev, 77, 0x59); + rt2800_bbp_write(rt2x00dev, 84, 0x9A); + rt2800_bbp_write(rt2x00dev, 86, 0x38); + rt2800_bbp_write(rt2x00dev, 88, 0x90); + rt2800_bbp_write(rt2x00dev, 91, 0x04); + rt2800_bbp_write(rt2x00dev, 92, 0x02); + rt2800_bbp_write(rt2x00dev, 95, 0x9a); + rt2800_bbp_write(rt2x00dev, 98, 0x12); + rt2800_bbp_write(rt2x00dev, 103, 0xC0); + rt2800_bbp_write(rt2x00dev, 104, 0x92); + /* FIXME BBP105 owerwrite */ + rt2800_bbp_write(rt2x00dev, 105, 0x3C); + rt2800_bbp_write(rt2x00dev, 106, 0x35); + rt2800_bbp_write(rt2x00dev, 128, 0x12); + rt2800_bbp_write(rt2x00dev, 134, 0xD0); + rt2800_bbp_write(rt2x00dev, 135, 0xF6); + rt2800_bbp_write(rt2x00dev, 137, 0x0F); + + /* Initialize GLRT (Generalized Likehood Radio Test) */ + rt2800_init_bbp_5592_glrt(rt2x00dev); + + rt2800_bbp4_mac_if_ctrl(rt2x00dev); + + rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC_CONF1, &eeprom); + div_mode = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF1_ANT_DIVERSITY); + ant = (div_mode == 3) ? 1 : 0; + rt2800_bbp_read(rt2x00dev, 152, &value); + if (ant == 0) { + /* Main antenna */ + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 1); + } else { + /* Auxiliary antenna */ + rt2x00_set_field8(&value, BBP152_RX_DEFAULT_ANT, 0); + } + rt2800_bbp_write(rt2x00dev, 152, value); + + if (rt2x00_rt_rev_gte(rt2x00dev, RT5592, REV_RT5592C)) { + rt2800_bbp_read(rt2x00dev, 254, &value); + rt2x00_set_field8(&value, BBP254_BIT7, 1); + rt2800_bbp_write(rt2x00dev, 254, value); + } + + rt2800_bbp_write(rt2x00dev, 84, 0x19); +} + static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) { unsigned int i; @@ -3755,6 +3853,11 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) rt2800_wait_bbp_ready(rt2x00dev))) return -EACCES; + if (rt2x00_rt(rt2x00dev, RT5592)) { + rt2800_init_bbp_5592(rt2x00dev); + return 0; + } + if (rt2x00_rt(rt2x00dev, RT3352)) { rt2800_bbp_write(rt2x00dev, 3, 0x00); rt2800_bbp_write(rt2x00dev, 4, 0x50); @@ -3762,11 +3865,8 @@ static int rt2800_init_bbp(struct rt2x00_dev *rt2x00dev) if (rt2x00_rt(rt2x00dev, RT3290) || rt2x00_rt(rt2x00dev, RT5390) || - rt2x00_rt(rt2x00dev, RT5392)) { - rt2800_bbp_read(rt2x00dev, 4, &value); - rt2x00_set_field8(&value, BBP4_MAC_IF_CTRL, 1); - rt2800_bbp_write(rt2x00dev, 4, value); - } + rt2x00_rt(rt2x00dev, RT5392)) + rt2800_bbp4_mac_if_ctrl(rt2x00dev); if (rt2800_is_305x_soc(rt2x00dev) || rt2x00_rt(rt2x00dev, RT3290) ||