【硬體】L1x driver(Tbd)

Attansic L1x(1969:1026) Porting information
【Vid/Pid】

• 【Eee PC 1008HA】8131 L1c (1969:1063)
• 【Eee PC 1201T】8132 L1c (1969:1062)
• 【ASUS P5KPL-C】8121/8113 atl1e (1969:1026)

【Linux driver】

• http://lxr.linux.no/linux+v2.6.31/drivers/net/atl1e/ (0x1026)
• http://lxr.linux.no/linux+v2.6.31/drivers/net/atl1c/ (0x1062/0x1063)
• http://atl1.sourceforge.net/

【Stage】

• Probe/ atl1e_probe
  - pci_set_master
  - atl1e_reset_hw
  - atl1e_read_mac_addr: MAC
  - INIT_WORK: atl1e_reset_task
  - INIT_WORK: atl1e_link_chg_task/atl1e_check_link
• Open/atl1e_open
  - atl1e_init_ring_resources: DMA
• Close/atl1e_close
• Interrupt handling/atl1e_intr
  - ISR_TX_EVENT/atl1e_clean_tx_irq
  - ISR_RX_EVENT/__napi_schedule

【Background】

• Hardware
  - mac(level 2)
  - phy(level 1)/
  - mii(level1 and level2 socket)
  - 10BaseT採用曼徹斯特編碼，100BaseTX採用4B/5B編碼。
  - http://blog.sina.com.cn/s/blog_4899b874010008ai.html 
  
• Port IO/Memory IO
  - readl/writel(memory io)
    unsigned readl(unsigned port);
  - inl/outl(port io) 
    unsigned inl(unsigned port);
  - http://www.jollen.org/blog/2006/12/linux_device_driver_io2.html
• atomic_set
• likely/unlikely
• INIT_WORK
• debugfs