2017-05-14 11:03:53 +00:00
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=============
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btmrvl driver
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=============
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2009-06-02 21:29:38 +00:00
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All commands are used via debugfs interface.
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2017-05-14 11:03:53 +00:00
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Set/get driver configurations
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=============================
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2009-06-02 21:29:38 +00:00
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Path: /debug/btmrvl/config/
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2017-05-14 11:03:53 +00:00
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gpiogap=[n], hscfgcmd
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These commands are used to configure the host sleep parameters::
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2009-06-02 21:29:38 +00:00
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bit 8:0 -- Gap
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bit 16:8 -- GPIO
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where GPIO is the pin number of GPIO used to wake up the host.
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It could be any valid GPIO pin# (e.g. 0-7) or 0xff (SDIO interface
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wakeup will be used instead).
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where Gap is the gap in milli seconds between wakeup signal and
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wakeup event, or 0xff for special host sleep setting.
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2017-05-14 11:03:53 +00:00
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Usage::
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2009-06-02 21:29:38 +00:00
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# Use SDIO interface to wake up the host and set GAP to 0x80:
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echo 0xff80 > /debug/btmrvl/config/gpiogap
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echo 1 > /debug/btmrvl/config/hscfgcmd
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# Use GPIO pin #3 to wake up the host and set GAP to 0xff:
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echo 0x03ff > /debug/btmrvl/config/gpiogap
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echo 1 > /debug/btmrvl/config/hscfgcmd
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2017-05-14 11:03:53 +00:00
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psmode=[n], pscmd
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2009-06-02 21:29:38 +00:00
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These commands are used to enable/disable auto sleep mode
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2017-05-14 11:03:53 +00:00
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where the option is::
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2009-06-02 21:29:38 +00:00
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1 -- Enable auto sleep mode
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0 -- Disable auto sleep mode
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2017-05-14 11:03:53 +00:00
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Usage::
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2009-06-02 21:29:38 +00:00
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# Enable auto sleep mode
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echo 1 > /debug/btmrvl/config/psmode
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echo 1 > /debug/btmrvl/config/pscmd
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# Disable auto sleep mode
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echo 0 > /debug/btmrvl/config/psmode
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echo 1 > /debug/btmrvl/config/pscmd
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2017-05-14 11:03:53 +00:00
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hsmode=[n], hscmd
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2009-06-02 21:29:38 +00:00
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These commands are used to enable host sleep or wake up firmware
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2017-05-14 11:03:53 +00:00
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where the option is::
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2009-06-02 21:29:38 +00:00
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1 -- Enable host sleep
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0 -- Wake up firmware
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2017-05-14 11:03:53 +00:00
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Usage::
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2009-06-02 21:29:38 +00:00
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# Enable host sleep
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echo 1 > /debug/btmrvl/config/hsmode
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echo 1 > /debug/btmrvl/config/hscmd
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# Wake up firmware
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echo 0 > /debug/btmrvl/config/hsmode
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echo 1 > /debug/btmrvl/config/hscmd
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2017-05-14 11:03:53 +00:00
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Get driver status
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=================
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2009-06-02 21:29:38 +00:00
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Path: /debug/btmrvl/status/
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2017-05-14 11:03:53 +00:00
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Usage::
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2009-06-02 21:29:38 +00:00
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cat /debug/btmrvl/status/<args>
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where the args are:
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curpsmode
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This command displays current auto sleep status.
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psstate
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This command display the power save state.
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hsstate
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This command display the host sleep state.
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txdnldrdy
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This command displays the value of Tx download ready flag.
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2017-05-14 11:03:53 +00:00
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Issuing a raw hci command
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=========================
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2009-06-02 21:29:38 +00:00
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Use hcitool to issue raw hci command, refer to hcitool manual
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2017-05-14 11:03:53 +00:00
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Usage::
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Hcitool cmd <ogf> <ocf> [Parameters]
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Interface Control Command::
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2009-06-02 21:29:38 +00:00
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hcitool cmd 0x3f 0x5b 0xf5 0x01 0x00 --Enable All interface
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hcitool cmd 0x3f 0x5b 0xf5 0x01 0x01 --Enable Wlan interface
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hcitool cmd 0x3f 0x5b 0xf5 0x01 0x02 --Enable BT interface
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hcitool cmd 0x3f 0x5b 0xf5 0x00 0x00 --Disable All interface
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hcitool cmd 0x3f 0x5b 0xf5 0x00 0x01 --Disable Wlan interface
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hcitool cmd 0x3f 0x5b 0xf5 0x00 0x02 --Disable BT interface
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2017-05-14 11:03:53 +00:00
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SD8688 firmware
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===============
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2009-06-02 21:29:38 +00:00
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2017-05-14 11:03:53 +00:00
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Images:
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2009-06-02 21:29:38 +00:00
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2017-05-14 11:03:53 +00:00
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- /lib/firmware/sd8688_helper.bin
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- /lib/firmware/sd8688.bin
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2009-06-02 21:29:38 +00:00
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The images can be downloaded from:
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git.infradead.org/users/dwmw2/linux-firmware.git/libertas/
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