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David Woodhouse
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| refs/heads/master: 21af6c4f2aa5f63138871b4ddd77d7ebf2588c9d | ||
| refs/heads/master: 30beab1491f0b96b2f23d3fb68af01fd921a16d8 |
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| driver/acpi/hotkey.c implement: | ||
| 1. /proc/acpi/hotkey/event_config | ||
| (event based hotkey or event config interface): | ||
| a. add a event based hotkey(event) : | ||
| echo "0:bus::action:method:num:num" > event_config | ||
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| b. delete a event based hotkey(event): | ||
| echo "1:::::num:num" > event_config | ||
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| c. modify a event based hotkey(event): | ||
| echo "2:bus::action:method:num:num" > event_config | ||
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| 2. /proc/acpi/hotkey/poll_config | ||
| (polling based hotkey or event config interface): | ||
| a.add a polling based hotkey(event) : | ||
| echo "0:bus:method:action:method:num" > poll_config | ||
| this adding command will create a proc file | ||
| /proc/acpi/hotkey/method, which is used to get | ||
| result of polling. | ||
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| b.delete a polling based hotkey(event): | ||
| echo "1:::::num" > event_config | ||
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| c.modify a polling based hotkey(event): | ||
| echo "2:bus:method:action:method:num" > poll_config | ||
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| 3./proc/acpi/hotkey/action | ||
| (interface to call aml method associated with a | ||
| specific hotkey(event)) | ||
| echo "event_num:event_type:event_argument" > | ||
| /proc/acpi/hotkey/action. | ||
| The result of the execution of this aml method is | ||
| attached to /proc/acpi/hotkey/poll_method, which is dnyamically | ||
| created. Please use command "cat /proc/acpi/hotkey/polling_method" | ||
| to retrieve it. |
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| How to get the Nebula, PCTV and Twinhan DST cards working | ||
| ========================================================= | ||
| How to get the Nebula Electronics DigiTV, Pinnacle PCTV Sat, Twinhan DST + clones working | ||
| ========================================================================================= | ||
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| This class of cards has a bt878a as the PCI interface, and | ||
| require the bttv driver. | ||
| 1) General information | ||
| ====================== | ||
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| Please pay close attention to the warning about the bttv module | ||
| options below for the DST card. | ||
| This class of cards has a bt878a chip as the PCI interface. | ||
| The different card drivers require the bttv driver to provide the means | ||
| to access the i2c bus and the gpio pins of the bt8xx chipset. | ||
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| 1) General informations | ||
| ======================= | ||
| 2) Compilation rules for Kernel >= 2.6.12 | ||
| ========================================= | ||
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| These drivers require the bttv driver to provide the means to access | ||
| the i2c bus and the gpio pins of the bt8xx chipset. | ||
| Enable the following options: | ||
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| Because of this, you need to enable | ||
| "Device drivers" => "Multimedia devices" | ||
| => "Video For Linux" => "BT848 Video For Linux" | ||
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| Furthermore you need to enable | ||
| => "Video For Linux" => "BT848 Video For Linux" | ||
| "Device drivers" => "Multimedia devices" => "Digital Video Broadcasting Devices" | ||
| => "DVB for Linux" "DVB Core Support" "Nebula/Pinnacle PCTV/TwinHan PCI Cards" | ||
| => "DVB for Linux" "DVB Core Support" "Nebula/Pinnacle PCTV/TwinHan PCI Cards" | ||
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| 2) Loading Modules | ||
| ================== | ||
| 3) Loading Modules, described by two approaches | ||
| =============================================== | ||
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| In general you need to load the bttv driver, which will handle the gpio and | ||
| i2c communication for us, plus the common dvb-bt8xx device driver. | ||
| The frontends for Nebula (nxt6000), Pinnacle PCTV (cx24110) and | ||
| TwinHan (dst) are loaded automatically by the dvb-bt8xx device driver. | ||
| i2c communication for us, plus the common dvb-bt8xx device driver, | ||
| which is called the backend. | ||
| The frontends for Nebula DigiTV (nxt6000), Pinnacle PCTV Sat (cx24110), | ||
| TwinHan DST + clones (dst and dst-ca) are loaded automatically by the backend. | ||
| For further details about TwinHan DST + clones see /Documentation/dvb/ci.txt. | ||
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| 3a) Nebula / Pinnacle PCTV | ||
| -------------------------- | ||
| 3a) The manual approach | ||
| ----------------------- | ||
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| $ modprobe bttv (normally bttv is being loaded automatically by kmod) | ||
| $ modprobe dvb-bt8xx (or just place dvb-bt8xx in /etc/modules for automatic loading) | ||
| Loading modules: | ||
| modprobe bttv | ||
| modprobe dvb-bt8xx | ||
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| Unloading modules: | ||
| modprobe -r dvb-bt8xx | ||
| modprobe -r bttv | ||
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| 3b) TwinHan and Clones | ||
| 3b) The automatic approach | ||
| -------------------------- | ||
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| $ modprobe bttv i2c_hw=1 card=0x71 | ||
| $ modprobe dvb-bt8xx | ||
| $ modprobe dst | ||
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| The value 0x71 will override the PCI type detection for dvb-bt8xx, | ||
| which is necessary for TwinHan cards. | ||
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| If you're having an older card (blue color circuit) and card=0x71 locks | ||
| your machine, try using 0x68, too. If that does not work, ask on the | ||
| mailing list. | ||
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| The DST module takes a couple of useful parameters: | ||
| If not already done by installation, place a line either in | ||
| /etc/modules.conf or in /etc/modprobe.conf containing this text: | ||
| alias char-major-81 bttv | ||
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| a. verbose takes values 0 to 5. These values control the verbosity level. | ||
| b. debug takes values 0 and 1. You can either disable or enable debugging. | ||
| c. dst_addons takes values 0 and 0x20: | ||
| - A value of 0 means it is a FTA card. | ||
| - A value of 0x20 means it has a Conditional Access slot. | ||
| Then place a line in /etc/modules containing this text: | ||
| dvb-bt8xx | ||
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| The autodetected values are determined by the "response string" | ||
| of the card, which you can see in your logs: | ||
| e.g.: dst_get_device_id: Recognize [DSTMCI] | ||
| Reboot your system and have fun! | ||
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| -- | ||
| Authors: Richard Walker, Jamie Honan, Michael Hunold, Manu Abraham, Uwe Bugla |
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