diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_rx.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_rx.c | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_rx.c b/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_rx.c new file mode 100644 index 00000000..d496e7b8 --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8192c/pci/r92ce_rx.c @@ -0,0 +1,134 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* $OpenBSD: if_rtwn.c,v 1.6 2015/08/28 00:03:53 deraadt Exp $ */ + +/*- + * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> + * Copyright (c) 2015 Stefan Sperling <stsp@openbsd.org> + * Copyright (c) 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 <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.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_rtwnvar.h> +#include <dev/rtwn/if_rtwn_debug.h> + +#include <dev/rtwn/pci/rtwn_pci_var.h> + +#include <dev/rtwn/rtl8192c/pci/r92ce.h> +#include <dev/rtwn/rtl8192c/pci/r92ce_reg.h> + + +int +r92ce_classify_intr(struct rtwn_softc *sc, void *arg, int len __unused) +{ + uint32_t status; + int *rings = arg; + int ret; + + *rings = 0; + status = rtwn_read_4(sc, R92C_HISR); + RTWN_DPRINTF(sc, RTWN_DEBUG_INTR, "%s: HISR %08X, HISRE %04X\n", + __func__, status, rtwn_read_2(sc, R92C_HISRE)); + if (status == 0 || status == 0xffffffff) + return (0); + + /* Disable interrupts. */ + rtwn_write_4(sc, R92C_HIMR, 0); + + /* Ack interrupts. */ + rtwn_write_4(sc, R92C_HISR, status); + + if (status & R92C_IMR_BDOK) + *rings |= (1 << RTWN_PCI_BEACON_QUEUE); + if (status & R92C_IMR_HIGHDOK) + *rings |= (1 << RTWN_PCI_HIGH_QUEUE); + if (status & R92C_IMR_MGNTDOK) + *rings |= (1 << RTWN_PCI_MGNT_QUEUE); + if (status & R92C_IMR_BKDOK) + *rings |= (1 << RTWN_PCI_BK_QUEUE); + if (status & R92C_IMR_BEDOK) + *rings |= (1 << RTWN_PCI_BE_QUEUE); + if (status & R92C_IMR_VIDOK) + *rings |= (1 << RTWN_PCI_VI_QUEUE); + if (status & R92C_IMR_VODOK) + *rings |= (1 << RTWN_PCI_VO_QUEUE); + + ret = 0; + if (status & R92C_IMR_RXFOVW) + ret |= RTWN_PCI_INTR_RX_OVERFLOW; + if (status & R92C_IMR_RDU) + ret |= RTWN_PCI_INTR_RX_DESC_UNAVAIL; + if (status & R92C_IMR_ROK) + ret |= RTWN_PCI_INTR_RX_DONE; + if (status & R92C_IMR_TXFOVW) + ret |= RTWN_PCI_INTR_TX_OVERFLOW; + if (status & R92C_IMR_PSTIMEOUT) + ret |= RTWN_PCI_INTR_PS_TIMEOUT; + + return (ret); +} + +#define R92C_INT_ENABLE (R92C_IMR_ROK | R92C_IMR_VODOK | R92C_IMR_VIDOK | \ + R92C_IMR_BEDOK | R92C_IMR_BKDOK | R92C_IMR_MGNTDOK | \ + R92C_IMR_HIGHDOK | R92C_IMR_BDOK | R92C_IMR_RDU | \ + R92C_IMR_RXFOVW) +void +r92ce_enable_intr(struct rtwn_pci_softc *pc) +{ + struct rtwn_softc *sc = &pc->pc_sc; + + /* Enable interrupts. */ + rtwn_write_4(sc, R92C_HIMR, R92C_INT_ENABLE); +} + +void +r92ce_start_xfers(struct rtwn_softc *sc) +{ + /* Clear pending interrupts. */ + rtwn_write_4(sc, R92C_HISR, 0xffffffff); + + /* Enable interrupts. */ + rtwn_write_4(sc, R92C_HIMR, R92C_INT_ENABLE); +} +#undef R92C_INT_ENABLE |