From 196be0cd018068d545e1d764094c7b07aaf0bcfe Mon Sep 17 00:00:00 2001 From: Bing Zhao Date: Tue, 2 Jun 2009 14:29:38 -0700 Subject: Bluetooth: Add documentation for Marvell Bluetooth driver add btmrvl.txt to Documentation/ This patch incorporates a lot of comments given by Nicolas Pitre . Many thanks to Nicolas Pitre. Signed-off-by: Rahul Tank Signed-off-by: Bing Zhao Signed-off-by: Marcel Holtmann --- Documentation/00-INDEX | 2 + Documentation/btmrvl.txt | 119 +++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 121 insertions(+) create mode 100644 Documentation/btmrvl.txt (limited to 'Documentation') diff --git a/Documentation/00-INDEX b/Documentation/00-INDEX index d05737aaa84b..06b982affe76 100644 --- a/Documentation/00-INDEX +++ b/Documentation/00-INDEX @@ -82,6 +82,8 @@ block/ - info on the Block I/O (BIO) layer. blockdev/ - info on block devices & drivers +btmrvl.txt + - info on Marvell Bluetooth driver usage. cachetlb.txt - describes the cache/TLB flushing interfaces Linux uses. cdrom/ diff --git a/Documentation/btmrvl.txt b/Documentation/btmrvl.txt new file mode 100644 index 000000000000..34916a46c099 --- /dev/null +++ b/Documentation/btmrvl.txt @@ -0,0 +1,119 @@ +======================================================================= + README for btmrvl driver +======================================================================= + + +All commands are used via debugfs interface. + +===================== +Set/get driver configurations: + +Path: /debug/btmrvl/config/ + +gpiogap=[n] +hscfgcmd + These commands are used to configure the host sleep parameters. + bit 8:0 -- Gap + bit 16:8 -- GPIO + + where GPIO is the pin number of GPIO used to wake up the host. + It could be any valid GPIO pin# (e.g. 0-7) or 0xff (SDIO interface + wakeup will be used instead). + + where Gap is the gap in milli seconds between wakeup signal and + wakeup event, or 0xff for special host sleep setting. + + Usage: + # Use SDIO interface to wake up the host and set GAP to 0x80: + echo 0xff80 > /debug/btmrvl/config/gpiogap + echo 1 > /debug/btmrvl/config/hscfgcmd + + # Use GPIO pin #3 to wake up the host and set GAP to 0xff: + echo 0x03ff > /debug/btmrvl/config/gpiogap + echo 1 > /debug/btmrvl/config/hscfgcmd + +psmode=[n] +pscmd + These commands are used to enable/disable auto sleep mode + + where the option is: + 1 -- Enable auto sleep mode + 0 -- Disable auto sleep mode + + Usage: + # Enable auto sleep mode + echo 1 > /debug/btmrvl/config/psmode + echo 1 > /debug/btmrvl/config/pscmd + + # Disable auto sleep mode + echo 0 > /debug/btmrvl/config/psmode + echo 1 > /debug/btmrvl/config/pscmd + + +hsmode=[n] +hscmd + These commands are used to enable host sleep or wake up firmware + + where the option is: + 1 -- Enable host sleep + 0 -- Wake up firmware + + Usage: + # Enable host sleep + echo 1 > /debug/btmrvl/config/hsmode + echo 1 > /debug/btmrvl/config/hscmd + + # Wake up firmware + echo 0 > /debug/btmrvl/config/hsmode + echo 1 > /debug/btmrvl/config/hscmd + + +====================== +Get driver status: + +Path: /debug/btmrvl/status/ + +Usage: + cat /debug/btmrvl/status/ + +where the args are: + +curpsmode + This command displays current auto sleep status. + +psstate + This command display the power save state. + +hsstate + This command display the host sleep state. + +txdnldrdy + This command displays the value of Tx download ready flag. + + +===================== + +Use hcitool to issue raw hci command, refer to hcitool manual + + Usage: Hcitool cmd [Parameters] + + Interface Control Command + hcitool cmd 0x3f 0x5b 0xf5 0x01 0x00 --Enable All interface + hcitool cmd 0x3f 0x5b 0xf5 0x01 0x01 --Enable Wlan interface + hcitool cmd 0x3f 0x5b 0xf5 0x01 0x02 --Enable BT interface + hcitool cmd 0x3f 0x5b 0xf5 0x00 0x00 --Disable All interface + hcitool cmd 0x3f 0x5b 0xf5 0x00 0x01 --Disable Wlan interface + hcitool cmd 0x3f 0x5b 0xf5 0x00 0x02 --Disable BT interface + +======================================================================= + + +SD8688 firmware: + +/lib/firmware/sd8688_helper.bin +/lib/firmware/sd8688.bin + + +The images can be downloaded from: + +git.infradead.org/users/dwmw2/linux-firmware.git/libertas/ -- cgit v1.2.1