diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/pci/rtwn_pci_var.h')
| -rw-r--r-- | freebsd/sys/dev/rtwn/pci/rtwn_pci_var.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/pci/rtwn_pci_var.h b/freebsd/sys/dev/rtwn/pci/rtwn_pci_var.h new file mode 100644 index 00000000..5a9e64e7 --- /dev/null +++ b/freebsd/sys/dev/rtwn/pci/rtwn_pci_var.h @@ -0,0 +1,140 @@ +/* $OpenBSD: if_rtwnreg.h,v 1.3 2015/06/14 08:02:47 stsp 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. + * + * $FreeBSD$ + */ + +#ifndef RTWN_PCI_VAR_H +#define RTWN_PCI_VAR_H + +#include <dev/rtwn/rtl8192c/pci/r92ce_rx_desc.h> + + +#define RTWN_PCI_RX_LIST_COUNT 256 +#define RTWN_PCI_TX_LIST_COUNT 256 + +struct rtwn_rx_data { + bus_dmamap_t map; + struct mbuf *m; + bus_addr_t paddr; +}; + +struct rtwn_rx_ring { + struct r92ce_rx_stat *desc; + bus_addr_t paddr; + bus_dma_tag_t desc_dmat; + bus_dmamap_t desc_map; + bus_dma_tag_t data_dmat; + bus_dma_segment_t seg; + struct rtwn_rx_data rx_data[RTWN_PCI_RX_LIST_COUNT]; + int cur; +}; + +struct rtwn_tx_data { + bus_dmamap_t map; + struct mbuf *m; + struct ieee80211_node *ni; +}; + +struct rtwn_tx_ring { + bus_addr_t paddr; + bus_dma_tag_t desc_dmat; + bus_dmamap_t desc_map; + bus_dma_tag_t data_dmat; + bus_dma_segment_t seg; + void *desc; + struct rtwn_tx_data tx_data[RTWN_PCI_TX_LIST_COUNT]; + int queued; + int cur; + int last; +}; + +/* + * TX queue indices. + */ +enum { + RTWN_PCI_BK_QUEUE, + RTWN_PCI_BE_QUEUE, + RTWN_PCI_VI_QUEUE, + RTWN_PCI_VO_QUEUE, + RTWN_PCI_BEACON_QUEUE, + RTWN_PCI_TXCMD_QUEUE, + RTWN_PCI_MGNT_QUEUE, + RTWN_PCI_HIGH_QUEUE, + RTWN_PCI_HCCA_QUEUE, + RTWN_PCI_NTXQUEUES +}; + +/* + * Interrupt events. + */ +enum { + RTWN_PCI_INTR_RX_ERROR = 0x00000001, + RTWN_PCI_INTR_RX_OVERFLOW = 0x00000002, + RTWN_PCI_INTR_RX_DESC_UNAVAIL = 0x00000004, + RTWN_PCI_INTR_RX_DONE = 0x00000008, + RTWN_PCI_INTR_TX_ERROR = 0x00000010, + RTWN_PCI_INTR_TX_OVERFLOW = 0x00000020, + RTWN_PCI_INTR_TX_REPORT = 0x00000040, + RTWN_PCI_INTR_PS_TIMEOUT = 0x00000080 +}; + +/* Shortcuts */ +/* Vendor driver treats RX errors like ROK... */ +#define RTWN_PCI_INTR_RX \ + (RTWN_PCI_INTR_RX_OVERFLOW | RTWN_PCI_INTR_RX_DESC_UNAVAIL | \ + RTWN_PCI_INTR_RX_DONE) + + +struct rtwn_pci_softc { + struct rtwn_softc pc_sc; /* must be the first */ + + struct resource *irq; + struct resource *mem; + bus_space_tag_t pc_st; + bus_space_handle_t pc_sh; + void *pc_ih; + bus_size_t pc_mapsize; + + struct rtwn_rx_ring rx_ring; + struct rtwn_tx_ring tx_ring[RTWN_PCI_NTXQUEUES]; + + /* must be set by the driver. */ + uint16_t pc_qmap; + uint32_t tcr; + + void (*pc_setup_tx_desc)(struct rtwn_pci_softc *, + void *, uint32_t); + void (*pc_tx_postsetup)(struct rtwn_pci_softc *, + void *, bus_dma_segment_t *); + void (*pc_copy_tx_desc)(void *, const void *); + void (*pc_enable_intr)(struct rtwn_pci_softc *); +}; +#define RTWN_PCI_SOFTC(sc) ((struct rtwn_pci_softc *)(sc)) + +#define rtwn_pci_setup_tx_desc(_pc, _desc, _addr) \ + (((_pc)->pc_setup_tx_desc)((_pc), (_desc), (_addr))) +#define rtwn_pci_tx_postsetup(_pc, _txd, _segs) \ + (((_pc)->pc_tx_postsetup)((_pc), (_txd), (_segs))) +#define rtwn_pci_copy_tx_desc(_pc, _dest, _src) \ + (((_pc)->pc_copy_tx_desc)((_dest), (_src))) +#define rtwn_pci_enable_intr(_pc) \ + (((_pc)->pc_enable_intr)((_pc))) + +#endif /* RTWN_PCI_VAR_H */ |