diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8188e/usb/r88eu_init.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8188e/usb/r88eu_init.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8188e/usb/r88eu_init.c b/freebsd/sys/dev/rtwn/rtl8188e/usb/r88eu_init.c new file mode 100644 index 00000000..3f9ae320 --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8188e/usb/r88eu_init.c @@ -0,0 +1,226 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ + +/*- + * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> + * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> + * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rtems/bsd/local/opt_wlan.h> + +#include <rtems/bsd/sys/param.h> +#include <rtems/bsd/sys/lock.h> +#include <sys/mutex.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/queue.h> +#include <sys/taskqueue.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/linker.h> + +#include <net/if.h> +#include <net/ethernet.h> +#include <net/if_media.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/rtwn/if_rtwnreg.h> +#include <dev/rtwn/if_rtwnvar.h> + +#include <dev/rtwn/rtl8192c/r92c.h> +#include <dev/rtwn/rtl8192c/r92c_var.h> + +#include <dev/rtwn/rtl8188e/usb/r88eu.h> +#include <dev/rtwn/rtl8188e/usb/r88eu_reg.h> + + +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); +} + +void +r88eu_init_intr(struct rtwn_softc *sc) +{ + /* TODO: adjust */ + rtwn_write_4(sc, R88E_HISR, 0xffffffff); + rtwn_write_4(sc, R88E_HIMR, R88E_HIMR_CPWM | R88E_HIMR_CPWM2 | + R88E_HIMR_TBDER | R88E_HIMR_PSTIMEOUT); + rtwn_write_4(sc, R88E_HIMRE, R88E_HIMRE_RXFOVW | + R88E_HIMRE_TXFOVW | R88E_HIMRE_RXERR | R88E_HIMRE_TXERR); + rtwn_setbits_1(sc, R92C_USB_SPECIAL_OPTION, 0, + R92C_USB_SPECIAL_OPTION_INT_BULK_SEL); +} + +void +r88eu_init_rx_agg(struct rtwn_softc *sc) +{ + /* XXX merge? */ + rtwn_setbits_1(sc, R92C_TRXDMA_CTRL, 0, + R92C_TRXDMA_CTRL_RXDMA_AGG_EN); + /* XXX dehardcode */ + rtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH, 48); + rtwn_write_1(sc, R92C_RXDMA_AGG_PG_TH + 1, 4); +} + +void +r88eu_post_init(struct rtwn_softc *sc) +{ + + /* Enable per-packet TX report. */ + rtwn_setbits_1(sc, R88E_TX_RPT_CTRL, 0, R88E_TX_RPT1_ENA); + + /* Disable Tx if MACID is not associated. */ + rtwn_write_4(sc, R88E_MACID_NO_LINK, 0xffffffff); + rtwn_write_4(sc, R88E_MACID_NO_LINK + 4, 0xffffffff); + r88e_macid_enable_link(sc, RTWN_MACID_BC, 1); + + /* Perform LO and IQ calibrations. */ + r88e_iq_calib(sc); + /* Perform LC calibration. */ + r92c_lc_calib(sc); + + rtwn_write_1(sc, R92C_USB_HRPWM, 0); + + if (sc->sc_ratectl_sysctl == RTWN_RATECTL_FW) { + /* No support (yet?) for f/w rate adaptation. */ + sc->sc_ratectl = RTWN_RATECTL_NET80211; + } else + sc->sc_ratectl = sc->sc_ratectl_sysctl; +} |