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rt2x00: rt2800lib: add RFCSR register initialization for RT3593 

Based on the Ralink DPO_RT5572_LinuxSTA_2.6.0.1_20120629
driver.

References:
  NICInitRT3593RFRegisters in chips/rt3593.c
  RT3593LoadRFNormalModeSetup in chips/rt3593.c

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gabor Juhos 2013-07-08 16:08:18 +02:00 committed by John W. Linville
parent b189a18141
commit ab7078ac3d
2 changed files with 132 additions and 0 deletions
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10
drivers/net/wireless/rt2x00/rt2800.h
View File

@ -2093,6 +2093,10 @@ struct mac_iveiv_entry {
#define RFCSR17_R FIELD8(0x20)
#define RFCSR17_CODE FIELD8(0x7f)
/* RFCSR 18 */
#define RFCSR18_XO_TUNE_BYPASS FIELD8(0x40)
/*
* RFCSR 20:
*/
@ -2174,6 +2178,12 @@ struct mac_iveiv_entry {
*/
#define RFCSR50_TX FIELD8(0x3f)
#define RFCSR50_EP FIELD8(0xc0)
/* bits for RT3593*/
#define RFCSR50_TX_LO2_EN FIELD8(0x10)
/* RFCSR 51 */
/* bits for RT3593*/
#define RFCSR51_BITS24 FIELD8(0x1c)
/*
* RF registers

122
drivers/net/wireless/rt2x00/rt2800lib.c
View File

@ -4963,6 +4963,42 @@ static void rt2800_normal_mode_setup_3xxx(struct rt2x00_dev *rt2x00dev)
}
}
static void rt2800_normal_mode_setup_3593(struct rt2x00_dev *rt2x00dev)
{
struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
u8 rfcsr;
u8 tx_gain;
rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR50_TX_LO2_EN, 0);
rt2800_rfcsr_write(rt2x00dev, 50, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 51, &rfcsr);
tx_gain = rt2x00_get_field8(drv_data->txmixer_gain_24g,
RFCSR17_TXMIXER_GAIN);
rt2x00_set_field8(&rfcsr, RFCSR51_BITS24, tx_gain);
rt2800_rfcsr_write(rt2x00dev, 51, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 38, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR38_RX_LO1_EN, 0);
rt2800_rfcsr_write(rt2x00dev, 38, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 39, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR39_RX_LO2_EN, 0);
rt2800_rfcsr_write(rt2x00dev, 39, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1);
rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1);
rt2800_rfcsr_write(rt2x00dev, 1, rfcsr);
rt2800_rfcsr_read(rt2x00dev, 30, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR30_RX_VCM, 2);
rt2800_rfcsr_write(rt2x00dev, 30, rfcsr);
/* TODO: enable stream mode */
}
static void rt2800_normal_mode_setup_5xxx(struct rt2x00_dev *rt2x00dev)
{
u8 reg;
@ -5345,6 +5381,89 @@ static void rt2800_init_rfcsr_3572(struct rt2x00_dev *rt2x00dev)
rt2800_normal_mode_setup_3xxx(rt2x00dev);
}
static void rt2800_init_rfcsr_3593(struct rt2x00_dev *rt2x00dev)
{
struct rt2800_drv_data *drv_data = rt2x00dev->drv_data;
u32 reg;
u8 rfcsr;
/* Disable GPIO #4 and #7 function for LAN PE control */
rt2800_register_read(rt2x00dev, GPIO_SWITCH, &reg);
rt2x00_set_field32(&reg, GPIO_SWITCH_4, 0);
rt2x00_set_field32(&reg, GPIO_SWITCH_7, 0);
rt2800_register_write(rt2x00dev, GPIO_SWITCH, reg);
/* Initialize default register values */
rt2800_rfcsr_write(rt2x00dev, 1, 0x03);
rt2800_rfcsr_write(rt2x00dev, 3, 0x80);
rt2800_rfcsr_write(rt2x00dev, 5, 0x00);
rt2800_rfcsr_write(rt2x00dev, 6, 0x40);
rt2800_rfcsr_write(rt2x00dev, 8, 0xf1);
rt2800_rfcsr_write(rt2x00dev, 9, 0x02);
rt2800_rfcsr_write(rt2x00dev, 10, 0xd3);
rt2800_rfcsr_write(rt2x00dev, 11, 0x40);
rt2800_rfcsr_write(rt2x00dev, 12, 0x4e);
rt2800_rfcsr_write(rt2x00dev, 13, 0x12);
rt2800_rfcsr_write(rt2x00dev, 18, 0x40);
rt2800_rfcsr_write(rt2x00dev, 22, 0x20);
rt2800_rfcsr_write(rt2x00dev, 30, 0x10);
rt2800_rfcsr_write(rt2x00dev, 31, 0x80);
rt2800_rfcsr_write(rt2x00dev, 32, 0x78);
rt2800_rfcsr_write(rt2x00dev, 33, 0x3b);
rt2800_rfcsr_write(rt2x00dev, 34, 0x3c);
rt2800_rfcsr_write(rt2x00dev, 35, 0xe0);
rt2800_rfcsr_write(rt2x00dev, 38, 0x86);
rt2800_rfcsr_write(rt2x00dev, 39, 0x23);
rt2800_rfcsr_write(rt2x00dev, 44, 0xd3);
rt2800_rfcsr_write(rt2x00dev, 45, 0xbb);
rt2800_rfcsr_write(rt2x00dev, 46, 0x60);
rt2800_rfcsr_write(rt2x00dev, 49, 0x8e);
rt2800_rfcsr_write(rt2x00dev, 50, 0x86);
rt2800_rfcsr_write(rt2x00dev, 51, 0x75);
rt2800_rfcsr_write(rt2x00dev, 52, 0x45);
rt2800_rfcsr_write(rt2x00dev, 53, 0x18);
rt2800_rfcsr_write(rt2x00dev, 54, 0x18);
rt2800_rfcsr_write(rt2x00dev, 55, 0x18);
rt2800_rfcsr_write(rt2x00dev, 56, 0xdb);
rt2800_rfcsr_write(rt2x00dev, 57, 0x6e);
/* Initiate calibration */
/* TODO: use rt2800_rf_init_calibration ? */
rt2800_rfcsr_read(rt2x00dev, 2, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR2_RESCAL_EN, 1);
rt2800_rfcsr_write(rt2x00dev, 2, rfcsr);
rt2800_adjust_freq_offset(rt2x00dev);
rt2800_rfcsr_read(rt2x00dev, 18, &rfcsr);
rt2x00_set_field8(&rfcsr, RFCSR18_XO_TUNE_BYPASS, 1);
rt2800_rfcsr_write(rt2x00dev, 18, rfcsr);
rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 3);
rt2x00_set_field32(&reg, LDO_CFG0_BGSEL, 1);
rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
usleep_range(1000, 1500);
rt2800_register_read(rt2x00dev, LDO_CFG0, &reg);
rt2x00_set_field32(&reg, LDO_CFG0_LDO_CORE_VLEVEL, 0);
rt2800_register_write(rt2x00dev, LDO_CFG0, reg);
/* Set initial values for RX filter calibration */
drv_data->calibration_bw20 = 0x1f;
drv_data->calibration_bw40 = 0x2f;
/* Save BBP 25 & 26 values for later use in channel switching */
rt2800_bbp_read(rt2x00dev, 25, &drv_data->bbp25);
rt2800_bbp_read(rt2x00dev, 26, &drv_data->bbp26);
rt2800_led_open_drain_enable(rt2x00dev);
rt2800_normal_mode_setup_3593(rt2x00dev);
/* TODO: post BBP initialization */
/* TODO: enable stream mode support */
}
static void rt2800_init_rfcsr_5390(struct rt2x00_dev *rt2x00dev)
{
rt2800_rf_init_calibration(rt2x00dev, 2);
@ -5573,6 +5692,9 @@ static void rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev)
case RT3572:
rt2800_init_rfcsr_3572(rt2x00dev);
break;
case RT3593:
rt2800_init_rfcsr_3593(rt2x00dev);
break;
case RT5390:
rt2800_init_rfcsr_5390(rt2x00dev);
break;