diff options
Diffstat (limited to 'src/kernel/net/rtl8139.c')
-rw-r--r-- | src/kernel/net/rtl8139.c | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/src/kernel/net/rtl8139.c b/src/kernel/net/rtl8139.c deleted file mode 100644 index f7e213b..0000000 --- a/src/kernel/net/rtl8139.c +++ /dev/null @@ -1,103 +0,0 @@ -#include <interrupts/interrupts.h> -#include <io/io.h> -#include <lib/stdio.h> -#include <memory/alloc.h> -#include <pci/pci.h> -#include <system.h> - -int rtl_irq = 0; -u8 mac[6]; -u8 *rtl_rx_buffer; -u32 rtl_iobase = 0; -u32 rtl_device_pci = 0x00000000; - -void find_rtl(u32 device, u16 vendor_id, u16 device_id, void *extra) -{ - if ((vendor_id == 0x10ec) && (device_id == 0x8139)) { - *((u32 *)extra) = device; - } -} - -void rtl8139_irq_handler(struct regs *r) -{ - log("RTL INT!"); - u16 status = inw((u16)(rtl_iobase + 0x3E)); - if (!status) - return; - outw((u16)(rtl_iobase + 0x3E), status); - - if (status & 0x01 || status & 0x02) { - while ((inw((u16)(rtl_iobase + 0x37)) & 0x01) == 0) { - log("RECEIVE"); - // RECEIVE - } - } -} - -int rtl8139_init(void) -{ - if (rtl_device_pci) { - u16 command_reg = (u16)pci_read_field(rtl_device_pci, PCI_COMMAND, 4); - - if (command_reg & (1 << 2)) { - } else { - command_reg |= (1 << 2); - pci_write_field(rtl_device_pci, PCI_COMMAND, command_reg); - } - - rtl_irq = pci_get_interrupt(rtl_device_pci); - irq_install_handler(rtl_irq, rtl8139_irq_handler); - - u32 rtl_bar0 = pci_read_field(rtl_device_pci, PCI_BAR0, 4); - // u32 rtl_bar1 = pci_read_field(rtl_device_pci, PCI_BAR1, 4); - - rtl_iobase = 0x00000000; - - if (rtl_bar0 & 0x00000001) - rtl_iobase = rtl_bar0 & 0xFFFFFFFC; - else - warn("RTL8139 should be using an I/O BAR!"); - - // Get mac address - for (int i = 0; i < 6; ++i) - mac[i] = inb((u16)(rtl_iobase + 0x00 + i)); - debug("Mac address: %x:%x:%x:%x:%x:%x", mac[0], mac[1], mac[2], mac[3], mac[4], - mac[5]); - - // Activate (turn on) - outb((u16)(rtl_iobase + 0x52), 0x0); - - // Reset - outb((u16)(rtl_iobase + 0x37), 0x10); - while ((inb((u16)(rtl_iobase + 0x37)) & 0x10) != 0) { - } - - // Set receive buffer - rtl_rx_buffer = (u8 *)malloc(8192 + 16); - outl((u16)(rtl_iobase + 0x30), (u32)rtl_rx_buffer); - - // Enable ISR - outw((u16)(rtl_iobase + 0x3C), 0x0005); - - // Accept packets - outl((u16)(rtl_iobase + 0x44), 0xf | (1 << 7)); - - // Enable receive and transmitter - outb((u16)(rtl_iobase + 0x37), 0x0C); - } else { - return -1; - } - return 0; -} - -void rtl8139_install() -{ - pci_scan(&find_rtl, -1, &rtl_device_pci); - if (!rtl_device_pci) { - warn("No rtl8139 network card found"); - return; - } - - if (rtl8139_init() == 0) - info("Installed rtl8139 network driver"); -}
\ No newline at end of file |