1 ============= 2 btmrvl driver 3 ============= 4 5 All commands are used via debugfs interface. 6 7 Set/get driver configurations 8 ============================= 9 10 Path: /debug/btmrvl/config/ 11 12 gpiogap=[n], hscfgcmd 13 These commands are used to configure the host sleep parameters:: 14 bit 8:0 -- Gap 15 bit 16:8 -- GPIO 16 17 where GPIO is the pin number of GPIO used to wake up the host. 18 It could be any valid GPIO pin# (e.g. 0-7) or 0xff (SDIO interface 19 wakeup will be used instead). 20 21 where Gap is the gap in milli seconds between wakeup signal and 22 wakeup event, or 0xff for special host sleep setting. 23 24 Usage:: 25 26 # Use SDIO interface to wake up the host and set GAP to 0x80: 27 echo 0xff80 > /debug/btmrvl/config/gpiogap 28 echo 1 > /debug/btmrvl/config/hscfgcmd 29 30 # Use GPIO pin #3 to wake up the host and set GAP to 0xff: 31 echo 0x03ff > /debug/btmrvl/config/gpiogap 32 echo 1 > /debug/btmrvl/config/hscfgcmd 33 34 psmode=[n], pscmd 35 These commands are used to enable/disable auto sleep mode 36 37 where the option is:: 38 39 1 -- Enable auto sleep mode 40 0 -- Disable auto sleep mode 41 42 Usage:: 43 44 # Enable auto sleep mode 45 echo 1 > /debug/btmrvl/config/psmode 46 echo 1 > /debug/btmrvl/config/pscmd 47 48 # Disable auto sleep mode 49 echo 0 > /debug/btmrvl/config/psmode 50 echo 1 > /debug/btmrvl/config/pscmd 51 52 53 hsmode=[n], hscmd 54 These commands are used to enable host sleep or wake up firmware 55 56 where the option is:: 57 58 1 -- Enable host sleep 59 0 -- Wake up firmware 60 61 Usage:: 62 63 # Enable host sleep 64 echo 1 > /debug/btmrvl/config/hsmode 65 echo 1 > /debug/btmrvl/config/hscmd 66 67 # Wake up firmware 68 echo 0 > /debug/btmrvl/config/hsmode 69 echo 1 > /debug/btmrvl/config/hscmd 70 71 72 Get driver status 73 ================= 74 75 Path: /debug/btmrvl/status/ 76 77 Usage:: 78 79 cat /debug/btmrvl/status/<args> 80 81 where the args are: 82 83 curpsmode 84 This command displays current auto sleep status. 85 86 psstate 87 This command display the power save state. 88 89 hsstate 90 This command display the host sleep state. 91 92 txdnldrdy 93 This command displays the value of Tx download ready flag. 94 95 Issuing a raw hci command 96 ========================= 97 98 Use hcitool to issue raw hci command, refer to hcitool manual 99 100 Usage:: 101 102 Hcitool cmd <ogf> <ocf> [Parameters] 103 104 Interface Control Command:: 105 106 hcitool cmd 0x3f 0x5b 0xf5 0x01 0x00 --Enable All interface 107 hcitool cmd 0x3f 0x5b 0xf5 0x01 0x01 --Enable Wlan interface 108 hcitool cmd 0x3f 0x5b 0xf5 0x01 0x02 --Enable BT interface 109 hcitool cmd 0x3f 0x5b 0xf5 0x00 0x00 --Disable All interface 110 hcitool cmd 0x3f 0x5b 0xf5 0x00 0x01 --Disable Wlan interface 111 hcitool cmd 0x3f 0x5b 0xf5 0x00 0x02 --Disable BT interface 112 113 SD8688 firmware 114 =============== 115 116 Images: 117 118 - /lib/firmware/sd8688_helper.bin 119 - /lib/firmware/sd8688.bin 120 121 122 The images can be downloaded from: 123 124 git.infradead.org/users/dwmw2/linux-firmware.git/libertas/
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