Root/
1 | ======================================================================= |
2 | README for btmrvl driver |
3 | ======================================================================= |
4 | |
5 | |
6 | All commands are used via debugfs interface. |
7 | |
8 | ===================== |
9 | Set/get driver configurations: |
10 | |
11 | Path: /debug/btmrvl/config/ |
12 | |
13 | gpiogap=[n] |
14 | hscfgcmd |
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 | |
35 | psmode=[n] |
36 | pscmd |
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 | |
53 | hsmode=[n] |
54 | hscmd |
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 | ====================== |
72 | Get driver status: |
73 | |
74 | Path: /debug/btmrvl/status/ |
75 | |
76 | Usage: |
77 | cat /debug/btmrvl/status/<args> |
78 | |
79 | where the args are: |
80 | |
81 | curpsmode |
82 | This command displays current auto sleep status. |
83 | |
84 | psstate |
85 | This command display the power save state. |
86 | |
87 | hsstate |
88 | This command display the host sleep state. |
89 | |
90 | txdnldrdy |
91 | This command displays the value of Tx download ready flag. |
92 | |
93 | |
94 | ===================== |
95 | |
96 | Use 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 | |
111 | SD8688 firmware: |
112 | |
113 | /lib/firmware/sd8688_helper.bin |
114 | /lib/firmware/sd8688.bin |
115 | |
116 | |
117 | The images can be downloaded from: |
118 | |
119 | git.infradead.org/users/dwmw2/linux-firmware.git/libertas/ |
120 |
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