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