void
r88e_fw_reset(struct rtwn_softc *sc, int reason)
{
uint16_t reg;
reg = rtwn_read_2(sc, R92C_SYS_FUNC_EN);
rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN);
rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN);
}
void
r92c_fw_reset(struct rtwn_softc *sc, int reason)
{
int ntries;
if (reason == RTWN_FW_RESET_CHECKSUM)
return;
/* Tell 8051 to reset itself. */
rtwn_write_1(sc, R92C_HMETFR + 3, 0x20);
/* Wait until 8051 resets by itself. */
for (ntries = 0; ntries < 100; ntries++) {
if ((rtwn_read_2(sc, R92C_SYS_FUNC_EN) &
R92C_SYS_FUNC_EN_CPUEN) == 0)
return;
rtwn_delay(sc, 50);
}
/* Force 8051 reset. */
rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
R92C_SYS_FUNC_EN_CPUEN, 0, 1);
}
int
r92cu_power_on(struct rtwn_softc *sc)
{
#define RTWN_CHK(res) do { \
if (res != 0) \
return (EIO); \
} while(0)
uint32_t reg;
int ntries;
/* Wait for autoload done bit. */
for (ntries = 0; ntries < 5000; ntries++) {
if (rtwn_read_1(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_PFM_ALDN)
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000) {
device_printf(sc->sc_dev,
"timeout waiting for chip autoload\n");
return (ETIMEDOUT);
}
/* Unlock ISO/CLK/Power control register. */
RTWN_CHK(rtwn_write_1(sc, R92C_RSV_CTRL, 0));
/* Move SPS into PWM mode. */
RTWN_CHK(rtwn_write_1(sc, R92C_SPS0_CTRL, 0x2b));
/* just in case if power_off() was not properly executed. */
rtwn_delay(sc, 100);
reg = rtwn_read_1(sc, R92C_LDOV12D_CTRL);
if (!(reg & R92C_LDOV12D_CTRL_LDV12_EN)) {
RTWN_CHK(rtwn_write_1(sc, R92C_LDOV12D_CTRL,
reg | R92C_LDOV12D_CTRL_LDV12_EN));
rtwn_delay(sc, 100);
RTWN_CHK(rtwn_setbits_1(sc, R92C_SYS_ISO_CTRL,
R92C_SYS_ISO_CTRL_MD2PP, 0));
}
/* Auto enable WLAN. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0,
R92C_APS_FSMCO_APFM_ONMAC, 1));
for (ntries = 0; ntries < 5000; ntries++) {
if (!(rtwn_read_2(sc, R92C_APS_FSMCO) &
R92C_APS_FSMCO_APFM_ONMAC))
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000) {
device_printf(sc->sc_dev,
"timeout waiting for MAC auto ON\n");
return (ETIMEDOUT);
}
/* Enable radio, GPIO and LED functions. */
RTWN_CHK(rtwn_write_2(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_AFSM_HSUS |
R92C_APS_FSMCO_PDN_EN |
R92C_APS_FSMCO_PFM_ALDN));
/* Release RF digital isolation. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_SYS_ISO_CTRL,
R92C_SYS_ISO_CTRL_DIOR, 0, 1));
/* Initialize MAC. */
RTWN_CHK(rtwn_setbits_1(sc, R92C_APSD_CTRL,
R92C_APSD_CTRL_OFF, 0));
for (ntries = 0; ntries < 1000; ntries++) {
if (!(rtwn_read_1(sc, R92C_APSD_CTRL) &
R92C_APSD_CTRL_OFF_STATUS))
break;
rtwn_delay(sc, 50);
}
if (ntries == 1000) {
device_printf(sc->sc_dev,
"timeout waiting for MAC initialization\n");
return (ETIMEDOUT);
}
/* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */
RTWN_CHK(rtwn_setbits_2(sc, R92C_CR, 0,
R92C_CR_HCI_TXDMA_EN | R92C_CR_TXDMA_EN |
R92C_CR_HCI_RXDMA_EN | R92C_CR_RXDMA_EN |
R92C_CR_PROTOCOL_EN | R92C_CR_SCHEDULE_EN |
((sc->sc_hwcrypto != RTWN_CRYPTO_SW) ? R92C_CR_ENSEC : 0) |
R92C_CR_CALTMR_EN));
RTWN_CHK(rtwn_write_1(sc, 0xfe10, 0x19));
return (0);
#undef RTWN_CHK
}
void
r92cu_power_off(struct rtwn_softc *sc)
{
#ifndef RTWN_WITHOUT_UCODE
struct r92c_softc *rs = sc->sc_priv;
#endif
uint32_t reg;
int error;
/* Deinit C2H event handler. */
#ifndef RTWN_WITHOUT_UCODE
callout_stop(&rs->rs_c2h_report);
rs->rs_c2h_paused = 0;
rs->rs_c2h_pending = 0;
rs->rs_c2h_timeout = hz;
#endif
/* Block all Tx queues. */
error = rtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
if (error == ENXIO) /* hardware gone */
return;
/* Disable RF */
rtwn_rf_write(sc, 0, 0, 0);
rtwn_write_1(sc, R92C_APSD_CTRL, R92C_APSD_CTRL_OFF);
/* Reset BB state machine */
rtwn_write_1(sc, R92C_SYS_FUNC_EN,
R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA |
R92C_SYS_FUNC_EN_BB_GLB_RST);
rtwn_write_1(sc, R92C_SYS_FUNC_EN,
R92C_SYS_FUNC_EN_USBD | R92C_SYS_FUNC_EN_USBA);
/*
* Reset digital sequence
*/
#ifndef RTWN_WITHOUT_UCODE
if (rtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY) {
/* Reset MCU ready status */
rtwn_write_1(sc, R92C_MCUFWDL, 0);
/* If firmware in ram code, do reset */
r92c_fw_reset(sc, RTWN_FW_RESET_SHUTDOWN);
}
#endif
/* Reset MAC and Enable 8051 */
rtwn_write_1(sc, R92C_SYS_FUNC_EN + 1,
(R92C_SYS_FUNC_EN_CPUEN |
R92C_SYS_FUNC_EN_ELDR |
R92C_SYS_FUNC_EN_HWPDN) >> 8);
/* Reset MCU ready status */
rtwn_write_1(sc, R92C_MCUFWDL, 0);
/* Disable MAC clock */
rtwn_write_2(sc, R92C_SYS_CLKR,
R92C_SYS_CLKR_ANAD16V_EN |
R92C_SYS_CLKR_ANA8M |
R92C_SYS_CLKR_LOADER_EN |
R92C_SYS_CLKR_80M_SSC_DIS |
R92C_SYS_CLKR_SYS_EN |
R92C_SYS_CLKR_RING_EN |
0x4000);
/* Disable AFE PLL */
rtwn_write_1(sc, R92C_AFE_PLL_CTRL, 0x80);
/* Gated AFE DIG_CLOCK */
rtwn_write_2(sc, R92C_AFE_XTAL_CTRL, 0x880F);
/* Isolated digital to PON */
rtwn_write_1(sc, R92C_SYS_ISO_CTRL,
R92C_SYS_ISO_CTRL_MD2PP |
R92C_SYS_ISO_CTRL_PA2PCIE |
R92C_SYS_ISO_CTRL_PD2CORE |
R92C_SYS_ISO_CTRL_IP2MAC |
R92C_SYS_ISO_CTRL_DIOP |
R92C_SYS_ISO_CTRL_DIOE);
/*
* Pull GPIO PIN to balance level and LED control
*/
/* 1. Disable GPIO[7:0] */
rtwn_write_2(sc, R92C_GPIO_IOSEL, 0x0000);
reg = rtwn_read_4(sc, R92C_GPIO_PIN_CTRL) & ~0x0000ff00;
reg |= ((reg << 8) & 0x0000ff00) | 0x00ff0000;
rtwn_write_4(sc, R92C_GPIO_PIN_CTRL, reg);
/* Disable GPIO[10:8] */
rtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 0x00);
reg = rtwn_read_2(sc, R92C_GPIO_IO_SEL) & ~0x00f0;
reg |= (((reg & 0x000f) << 4) | 0x0780);
rtwn_write_2(sc, R92C_GPIO_IO_SEL, reg);
/* Disable LED0 & 1 */
rtwn_write_2(sc, R92C_LEDCFG0, 0x8080);
/*
* Reset digital sequence
*/
/* Disable ELDR clock */
rtwn_write_2(sc, R92C_SYS_CLKR,
R92C_SYS_CLKR_ANAD16V_EN |
R92C_SYS_CLKR_ANA8M |
R92C_SYS_CLKR_LOADER_EN |
R92C_SYS_CLKR_80M_SSC_DIS |
R92C_SYS_CLKR_SYS_EN |
R92C_SYS_CLKR_RING_EN |
0x4000);
/* Isolated ELDR to PON */
rtwn_write_1(sc, R92C_SYS_ISO_CTRL + 1,
(R92C_SYS_ISO_CTRL_DIOR |
R92C_SYS_ISO_CTRL_PWC_EV12V) >> 8);
/*
* Disable analog sequence
*/
/* Disable A15 power */
rtwn_write_1(sc, R92C_LDOA15_CTRL, R92C_LDOA15_CTRL_OBUF);
/* Disable digital core power */
rtwn_setbits_1(sc, R92C_LDOV12D_CTRL,
R92C_LDOV12D_CTRL_LDV12_EN, 0);
/* Enter PFM mode */
rtwn_write_1(sc, R92C_SPS0_CTRL, 0x23);
/* Set USB suspend */
rtwn_write_2(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_APDM_HOST |
R92C_APS_FSMCO_AFSM_HSUS |
R92C_APS_FSMCO_PFM_ALDN);
/* Lock ISO/CLK/Power control register. */
rtwn_write_1(sc, R92C_RSV_CTRL, 0x0E);
}
static void
r92c_handle_c2h_task(struct rtwn_softc *sc, union sec_param *data)
{
const uint16_t off = R92C_C2H_EVT_MSG + sizeof(struct r92c_c2h_evt);
struct r92c_softc *rs = sc->sc_priv;
uint16_t buf[R92C_C2H_MSG_MAX_LEN / 2 + 1];
uint8_t id, len, status;
int i;
/* Do not reschedule the task if device is not running. */
if (!(sc->sc_flags & RTWN_RUNNING))
return;
/* Read current status. */
status = rtwn_read_1(sc, R92C_C2H_EVT_CLEAR);
if (status == R92C_C2H_EVT_HOST_CLOSE)
goto end; /* nothing to do */
else if (status == R92C_C2H_EVT_FW_CLOSE) {
len = rtwn_read_1(sc, R92C_C2H_EVT_MSG);
id = MS(len, R92C_C2H_EVTB0_ID);
len = MS(len, R92C_C2H_EVTB0_LEN);
memset(buf, 0, sizeof(buf));
/* Try to optimize event reads. */
for (i = 0; i < len; i += 2)
buf[i / 2] = rtwn_read_2(sc, off + i);
KASSERT(i < sizeof(buf), ("%s: buffer overrun (%d >= %zu)!",
__func__, i, sizeof(buf)));
switch (id) {
case R92C_C2H_EVT_TX_REPORT:
r92c_ratectl_tx_complete(sc, (uint8_t *)buf, len);
break;
default:
device_printf(sc->sc_dev,
"%s: C2H report %u (len %u) was not handled\n",
__func__, id, len);
break;
}
}
/* Prepare for next event. */
rtwn_write_1(sc, R92C_C2H_EVT_CLEAR, R92C_C2H_EVT_HOST_CLOSE);
end:
/* Adjust timeout for next call. */
if (rs->rs_c2h_pending != 0) {
rs->rs_c2h_pending = 0;
rs->rs_c2h_paused = 0;
} else
rs->rs_c2h_paused++;
if (rs->rs_c2h_paused > R92C_TX_PAUSED_THRESHOLD)
rs->rs_c2h_timeout = hz;
else
rs->rs_c2h_timeout = MAX(hz / 100, 1);
/* Reschedule the task. */
callout_reset(&rs->rs_c2h_report, rs->rs_c2h_timeout,
r92c_handle_c2h_report, sc);
}
void
r12a_power_off(struct rtwn_softc *sc)
{
struct r12a_softc *rs = sc->sc_priv;
int error, ntries;
/* Stop Rx. */
error = rtwn_write_1(sc, R92C_CR, 0);
if (error == ENXIO) /* hardware gone */
return;
/* Move card to Low Power state. */
/* Block all Tx queues. */
rtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
for (ntries = 0; ntries < 10; ntries++) {
/* Should be zero if no packet is transmitting. */
if (rtwn_read_4(sc, R88E_SCH_TXCMD) == 0)
break;
rtwn_delay(sc, 5000);
}
if (ntries == 10) {
device_printf(sc->sc_dev, "%s: failed to block Tx queues\n",
__func__);
return;
}
/* Turn off 3-wire. */
rtwn_write_1(sc, R12A_HSSI_PARAM1(0), 0x04);
rtwn_write_1(sc, R12A_HSSI_PARAM1(1), 0x04);
/* CCK and OFDM are disabled, and clock are gated. */
rtwn_setbits_1(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_BBRSTB, 0);
rtwn_delay(sc, 1);
/* Reset whole BB. */
rtwn_setbits_1(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_BB_GLB_RST, 0);
/* Reset MAC TRX. */
rtwn_write_1(sc, R92C_CR,
R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN);
/* check if removed later. (?) */
rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSEC, 0, 1);
/* Respond TxOK to scheduler */
rtwn_setbits_1(sc, R92C_DUAL_TSF_RST, 0, R92C_DUAL_TSF_RST_TXOK);
/* If firmware in ram code, do reset. */
#ifndef RTWN_WITHOUT_UCODE
if (rtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RAM_DL_SEL)
r12a_fw_reset(sc, RTWN_FW_RESET_SHUTDOWN);
#endif
/* Reset MCU. */
rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_CPUEN,
0, 1);
rtwn_write_1(sc, R92C_MCUFWDL, 0);
/* Move card to Disabled state. */
/* Turn off 3-wire. */
rtwn_write_1(sc, R12A_HSSI_PARAM1(0), 0x04);
rtwn_write_1(sc, R12A_HSSI_PARAM1(1), 0x04);
/* Reset BB, close RF. */
rtwn_setbits_1(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_BB_GLB_RST, 0);
rtwn_delay(sc, 1);
/* SPS PWM mode. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0xff,
R92C_APS_FSMCO_SOP_RCK | R92C_APS_FSMCO_SOP_ABG, 3);
/* ANA clock = 500k. */
rtwn_setbits_1(sc, R92C_SYS_CLKR, R92C_SYS_CLKR_ANA8M, 0);
/* Turn off MAC by HW state machine */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0, R92C_APS_FSMCO_APFM_OFF,
1);
for (ntries = 0; ntries < 10; ntries++) {
/* Wait until it will be disabled. */
if ((rtwn_read_2(sc, R92C_APS_FSMCO) &
R92C_APS_FSMCO_APFM_OFF) == 0)
break;
rtwn_delay(sc, 5000);
}
if (ntries == 10) {
device_printf(sc->sc_dev, "%s: could not turn off MAC\n",
__func__);
return;
}
/* Reset 8051. */
rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_CPUEN,
0, 1);
/* Fill the default value of host_CPU handshake field. */
rtwn_write_1(sc, R92C_MCUFWDL,
R92C_MCUFWDL_EN | R92C_MCUFWDL_CHKSUM_RPT);
rtwn_setbits_1(sc, R92C_GPIO_IO_SEL, 0xf0, 0xc0);
/* GPIO 11 input mode, 10...8 output mode. */
rtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 0x07);
/* GPIO 7...0, output = input */
rtwn_write_1(sc, R92C_GPIO_OUT, 0);
/* GPIO 7...0 output mode. */
rtwn_write_1(sc, R92C_GPIO_IOSEL, 0xff);
rtwn_write_1(sc, R92C_GPIO_MOD, 0);
/* Turn on ZCD. */
rtwn_setbits_2(sc, 0x014, 0, 0x0180);
/* Force PFM mode. */
rtwn_setbits_1(sc, R92C_SPS0_CTRL + 1, 0x01, 0);
/* LDO sleep mode. */
rtwn_setbits_1(sc, R92C_LPLDO_CTRL, 0, R92C_LPLDO_CTRL_SLEEP);
/* ANA clock = 500k. */
rtwn_setbits_1(sc, R92C_SYS_CLKR, R92C_SYS_CLKR_ANA8M, 0);
/* SOP option to disable BG/MB. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0xff,
R92C_APS_FSMCO_SOP_RCK, 3);
/* Disable RFC_0. */
rtwn_setbits_1(sc, R92C_RF_CTRL, R92C_RF_CTRL_RSTB, 0);
/* Disable RFC_1. */
rtwn_setbits_1(sc, R12A_RF_B_CTRL, R92C_RF_CTRL_RSTB, 0);
/* Enable WL suspend. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0, R92C_APS_FSMCO_AFSM_HSUS,
1);
rs->rs_flags &= ~R12A_IQK_RUNNING;
}
int
r12a_power_on(struct rtwn_softc *sc)
{
#define RTWN_CHK(res) do { \
if (res != 0) \
return (EIO); \
} while(0)
int ntries;
r12a_rf_init_workaround(sc);
/* Force PWM mode. */
RTWN_CHK(rtwn_setbits_1(sc, R92C_SPS0_CTRL + 1, 0, 0x01));
/* Turn off ZCD. */
RTWN_CHK(rtwn_setbits_2(sc, 0x014, 0x0180, 0));
/* Enable LDO normal mode. */
RTWN_CHK(rtwn_setbits_1(sc, R92C_LPLDO_CTRL, R92C_LPLDO_CTRL_SLEEP,
0));
/* GPIO 0...7 input mode. */
RTWN_CHK(rtwn_write_1(sc, R92C_GPIO_IOSEL, 0));
/* GPIO 11...8 input mode. */
RTWN_CHK(rtwn_write_1(sc, R92C_MAC_PINMUX_CFG, 0));
/* Enable WL suspend. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_AFSM_HSUS, 0, 1));
/* Enable 8051. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
0, R92C_SYS_FUNC_EN_CPUEN, 1));
/* Disable SW LPS. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_APFM_RSM, 0, 1));
/* Wait for power ready bit. */
for (ntries = 0; ntries < 5000; ntries++) {
if (rtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST)
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000) {
device_printf(sc->sc_dev,
"timeout waiting for chip power up\n");
return (ETIMEDOUT);
}
/* Disable WL suspend. */
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_AFSM_HSUS, 0, 1));
RTWN_CHK(rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0,
R92C_APS_FSMCO_APFM_ONMAC, 1));
for (ntries = 0; ntries < 5000; ntries++) {
if (!(rtwn_read_2(sc, R92C_APS_FSMCO) &
R92C_APS_FSMCO_APFM_ONMAC))
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000)
return (ETIMEDOUT);
/* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */
RTWN_CHK(rtwn_write_2(sc, R92C_CR, 0x0000));
RTWN_CHK(rtwn_setbits_2(sc, R92C_CR, 0,
R92C_CR_HCI_TXDMA_EN | R92C_CR_TXDMA_EN |
R92C_CR_HCI_RXDMA_EN | R92C_CR_RXDMA_EN |
R92C_CR_PROTOCOL_EN | R92C_CR_SCHEDULE_EN |
((sc->sc_hwcrypto != RTWN_CRYPTO_SW) ? R92C_CR_ENSEC : 0) |
R92C_CR_CALTMR_EN));
return (0);
}
void
r88eu_power_off(struct rtwn_softc *sc)
{
uint8_t reg;
int error, ntries;
/* Disable any kind of TX reports. */
error = rtwn_setbits_1(sc, R88E_TX_RPT_CTRL,
R88E_TX_RPT1_ENA | R88E_TX_RPT2_ENA, 0);
if (error == ENXIO) /* hardware gone */
return;
/* Stop Rx. */
rtwn_write_1(sc, R92C_CR, 0);
/* Move card to Low Power State. */
/* Block all Tx queues. */
rtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
for (ntries = 0; ntries < 10; ntries++) {
/* Should be zero if no packet is transmitting. */
if (rtwn_read_4(sc, R88E_SCH_TXCMD) == 0)
break;
rtwn_delay(sc, 5000);
}
if (ntries == 10) {
device_printf(sc->sc_dev, "%s: failed to block Tx queues\n",
__func__);
return;
}
/* CCK and OFDM are disabled, and clock are gated. */
rtwn_setbits_1(sc, R92C_SYS_FUNC_EN, R92C_SYS_FUNC_EN_BBRSTB, 0);
rtwn_delay(sc, 1);
/* Reset MAC TRX */
rtwn_write_1(sc, R92C_CR,
R92C_CR_HCI_TXDMA_EN | R92C_CR_HCI_RXDMA_EN |
R92C_CR_TXDMA_EN | R92C_CR_RXDMA_EN |
R92C_CR_PROTOCOL_EN | R92C_CR_SCHEDULE_EN);
/* check if removed later */
rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSEC, 0, 1);
/* Respond TxOK to scheduler */
rtwn_setbits_1(sc, R92C_DUAL_TSF_RST, 0, 0x20);
/* If firmware in ram code, do reset. */
#ifndef RTWN_WITHOUT_UCODE
if (rtwn_read_1(sc, R92C_MCUFWDL) & R92C_MCUFWDL_RDY)
r88e_fw_reset(sc, RTWN_FW_RESET_SHUTDOWN);
#endif
/* Reset MCU ready status. */
rtwn_write_1(sc, R92C_MCUFWDL, 0);
/* Disable 32k. */
rtwn_setbits_1(sc, R88E_32K_CTRL, 0x01, 0);
/* Move card to Disabled state. */
/* Turn off RF. */
rtwn_write_1(sc, R92C_RF_CTRL, 0);
/* LDO Sleep mode. */
rtwn_setbits_1(sc, R92C_LPLDO_CTRL, 0, R92C_LPLDO_CTRL_SLEEP);
/* Turn off MAC by HW state machine */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO, 0,
R92C_APS_FSMCO_APFM_OFF, 1);
for (ntries = 0; ntries < 10; ntries++) {
/* Wait until it will be disabled. */
if ((rtwn_read_2(sc, R92C_APS_FSMCO) &
R92C_APS_FSMCO_APFM_OFF) == 0)
break;
rtwn_delay(sc, 5000);
}
if (ntries == 10) {
device_printf(sc->sc_dev, "%s: could not turn off MAC\n",
__func__);
return;
}
/* schmit trigger */
rtwn_setbits_1(sc, R92C_AFE_XTAL_CTRL + 2, 0, 0x80);
/* Enable WL suspend. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_AFSM_PCIE, R92C_APS_FSMCO_AFSM_HSUS, 1);
/* Enable bandgap mbias in suspend. */
rtwn_write_1(sc, R92C_APS_FSMCO + 3, 0);
/* Clear SIC_EN register. */
rtwn_setbits_1(sc, R92C_GPIO_MUXCFG + 1, 0x10, 0);
/* Set USB suspend enable local register */
rtwn_setbits_1(sc, R92C_USB_SUSPEND, 0, 0x10);
/* Reset MCU IO Wrapper. */
reg = rtwn_read_1(sc, R92C_RSV_CTRL + 1);
rtwn_write_1(sc, R92C_RSV_CTRL + 1, reg & ~0x08);
rtwn_write_1(sc, R92C_RSV_CTRL + 1, reg | 0x08);
/* marked as 'For Power Consumption' code. */
rtwn_write_1(sc, R92C_GPIO_OUT, rtwn_read_1(sc, R92C_GPIO_IN));
rtwn_write_1(sc, R92C_GPIO_IOSEL, 0xff);
rtwn_write_1(sc, R92C_GPIO_IO_SEL,
rtwn_read_1(sc, R92C_GPIO_IO_SEL) << 4);
rtwn_setbits_1(sc, R92C_GPIO_MOD, 0, 0x0f);
/* Set LNA, TRSW, EX_PA Pin to output mode. */
rtwn_write_4(sc, R88E_BB_PAD_CTRL, 0x00080808);
}
int
r88ee_power_on(struct rtwn_softc *sc)
{
int ntries;
/* Disable XTAL output for power saving. */
rtwn_setbits_1(sc, R88E_XCK_OUT_CTRL, R88E_XCK_OUT_CTRL_EN, 0);
/* Unlock ISO/CLK/Power control register. */
rtwn_setbits_2(sc, R92C_APS_FSMCO, R92C_APS_FSMCO_APDM_HPDN, 0);
rtwn_write_1(sc, R92C_RSV_CTRL, 0);
/* Wait for power ready bit */
for(ntries = 0; ntries < 5000; ntries++) {
if (rtwn_read_4(sc, R92C_APS_FSMCO) & R92C_APS_FSMCO_SUS_HOST)
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000) {
device_printf(sc->sc_dev,
"timeout waiting for chip power up\n");
return (ETIMEDOUT);
}
/* Reset BB. */
rtwn_setbits_1(sc, R92C_SYS_FUNC_EN,
R92C_SYS_FUNC_EN_BBRSTB | R92C_SYS_FUNC_EN_BB_GLB_RST, 0);
/* schmit trigger */
rtwn_setbits_1(sc, R92C_AFE_XTAL_CTRL + 2, 0, 0x80);
/* Disable HWPDN. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_APDM_HPDN, 0, 1);
/* Disable WL suspend. */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
R92C_APS_FSMCO_AFSM_HSUS | R92C_APS_FSMCO_AFSM_PCIE, 0, 1);
/* Auto-enable WLAN */
rtwn_setbits_1_shift(sc, R92C_APS_FSMCO,
0, R92C_APS_FSMCO_APFM_ONMAC, 1);
for (ntries = 0; ntries < 5000; ntries++) {
if (!(rtwn_read_2(sc, R92C_APS_FSMCO) &
R92C_APS_FSMCO_APFM_ONMAC))
break;
rtwn_delay(sc, 10);
}
if (ntries == 5000)
return (ETIMEDOUT);
rtwn_setbits_1(sc, R92C_PCIE_CTRL_REG + 2, 0, 0x04);
/* Enable LDO normal mode. */
rtwn_setbits_1(sc, R92C_LPLDO_CTRL, R92C_LPLDO_CTRL_SLEEP, 0);
rtwn_setbits_1(sc, R92C_APS_FSMCO, 0, R92C_APS_FSMCO_PDN_EN);
rtwn_setbits_1(sc, R92C_PCIE_CTRL_REG + 2, 0, 0x04);
rtwn_setbits_1(sc, R92C_AFE_XTAL_CTRL_EXT + 1, 0, 0x02);
rtwn_setbits_1(sc, R92C_SYS_CLKR, 0, 0x08);
rtwn_setbits_2(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENSIC, 0);
/* Enable MAC DMA/WMAC/SCHEDULE/SEC blocks. */
rtwn_write_2(sc, R92C_CR, 0);
rtwn_setbits_2(sc, R92C_CR, 0,
R92C_CR_HCI_TXDMA_EN | R92C_CR_TXDMA_EN |
R92C_CR_HCI_RXDMA_EN | R92C_CR_RXDMA_EN |
R92C_CR_PROTOCOL_EN | R92C_CR_SCHEDULE_EN |
((sc->sc_hwcrypto != RTWN_CRYPTO_SW) ? R92C_CR_ENSEC : 0) |
R92C_CR_CALTMR_EN);
rtwn_write_4(sc, R92C_INT_MIG, 0);
rtwn_write_4(sc, R92C_MCUTST_1, 0);
return (0);
}
