1 | #include <machine/rtems-bsd-kernel-space.h> |
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2 | |
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3 | /*- |
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4 | * Copyright (c) 2017 Kevin Lo <kevlo@FreeBSD.org> |
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5 | * All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * 1. Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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17 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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20 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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21 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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22 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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23 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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24 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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25 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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26 | * SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #include <sys/cdefs.h> |
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30 | __FBSDID("$FreeBSD$"); |
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31 | |
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32 | #include <rtems/bsd/local/opt_wlan.h> |
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33 | |
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34 | #include <sys/param.h> |
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35 | #include <sys/lock.h> |
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36 | #include <sys/mutex.h> |
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37 | #include <sys/mbuf.h> |
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38 | #include <sys/kernel.h> |
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39 | #include <sys/socket.h> |
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40 | #include <sys/systm.h> |
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41 | #include <sys/malloc.h> |
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42 | #include <sys/queue.h> |
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43 | #include <sys/taskqueue.h> |
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44 | #include <sys/bus.h> |
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45 | #include <sys/endian.h> |
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46 | #include <sys/linker.h> |
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47 | |
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48 | #include <net/if.h> |
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49 | #include <net/ethernet.h> |
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50 | #include <net/if_media.h> |
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51 | |
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52 | #include <net80211/ieee80211_var.h> |
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53 | #include <net80211/ieee80211_radiotap.h> |
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54 | |
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55 | #include <dev/rtwn/if_rtwnreg.h> |
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56 | #include <dev/rtwn/if_rtwnvar.h> |
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57 | |
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58 | #include <dev/rtwn/rtl8192e/r92e.h> |
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59 | #include <dev/rtwn/rtl8192e/r92e_reg.h> |
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60 | |
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61 | uint32_t |
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62 | r92e_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr) |
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63 | { |
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64 | uint32_t val; |
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65 | |
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66 | val = rtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); |
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67 | rtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), |
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68 | RW(val, R92C_HSSI_PARAM2_READ_ADDR, addr) & |
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69 | ~R92C_HSSI_PARAM2_READ_EDGE); |
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70 | |
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71 | rtwn_bb_setbits(sc, R92C_HSSI_PARAM2(0), R92C_HSSI_PARAM2_READ_EDGE, 0); |
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72 | rtwn_bb_setbits(sc, R92C_HSSI_PARAM2(0), 0, R92C_HSSI_PARAM2_READ_EDGE); |
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73 | rtwn_delay(sc, 20); |
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74 | |
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75 | if (rtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) |
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76 | val = rtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); |
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77 | else |
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78 | val = rtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); |
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79 | return (MS(val, R92C_LSSI_READBACK_DATA)); |
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80 | } |
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81 | |
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82 | void |
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83 | r92e_rf_write(struct rtwn_softc *sc, int chain, uint8_t addr, uint32_t val) |
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84 | { |
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85 | |
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86 | rtwn_bb_setbits(sc, 0x818, 0x20000, 0); |
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87 | rtwn_bb_write(sc, R92C_LSSI_PARAM(chain), |
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88 | SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val)); |
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89 | rtwn_bb_setbits(sc, 0x818, 0, 0x20000); |
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90 | } |
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