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Description
SMSC LAN95xx USB Ethernet Driver unit
The SMSC LAN95xx has an integrated USB Hub and is technically a compound device. Here we instead use the vendor ID and product ID of the vendor specific class device attached to the hub that is the device we actually need to communicate with. The hub will be detected and bound by the default USB Hub driver when it is enumerated by the USB core.
Constants
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SMSC95XX specific constants SMSC95XX_*
SMSC95XX_DRIVER_NAME = 'SMSC LAN95XX USB Ethernet Adapter Driver';
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Name of SMSC95XX driver
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SMSC95XX_MAX_SINGLE_PACKET_SIZE = 2048;
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Maximum size of a bulk IN receive when burst cap and multiple frames is not in use
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SMSC95XX_DEFAULT_BULK_IN_DELAY = $2000;
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SMSC95XX_MAX_TX_REQUESTS = 1;
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SMSC95XX_MAX_RX_REQUESTS = 1;
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((60 * 1518) div SMSC95XX_DEFAULT_HS_BURST_CAP_SIZE) + 1; SMSC95XX_MAX_RX_REQUESTS (DIV_ROUND_UP(60 * 1518, SMSC95XX_DEFAULT_HS_BURST_CAP_SIZE))
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SMSC95XX_MAX_EEPROM_SIZE = 512;
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SMSC95XX device id constants MSC95XX_DEVICE_ID_*
SMSC95XX_DEVICE_ID_COUNT = 5;
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Number of supported Device IDs
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SMSC95XX_DEVICE_ID:array[0..SMSC95XX_DEVICE_ID_COUNT - 1] of TUSBDeviceId = (
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(idVendor:$0424;idProduct:$ec00),
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LAN9512/LAN9514 Ethernet
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(idVendor:$0424;idProduct:$9500),
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LAN9500 Ethernet
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(idVendor:$0424;idProduct:$9730),
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LAN9730 Ethernet (HSIC)
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(idVendor:$0424;idProduct:$9900),
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SMSC9500 USB Ethernet Device (SAL10)
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(idVendor:$0424;idProduct:$9e00));
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LAN9500A Ethernet
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SMSC95XX transmit/receive constants SMSC95XX_TX_*
SMSC95XX_TX_OVERHEAD = 8;
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SMSC95XX_RX_OVERHEAD = 4;
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SMSC95XX USB packet size constants SMSC95XX_*_USB_PKT_SIZE
SMSC95XX_HS_USB_PKT_SIZE = 512;
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SMSC95XX_FS_USB_PKT_SIZE = 64;
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[Expand]
SMSC95XX burst size constants SMSC95XX_DEFAULT_*_BURST_CAP_SIZE
SMSC95XX_DEFAULT_HS_BURST_CAP_SIZE = (16 * 1024) + (5 * SMSC95XX_HS_USB_PKT_SIZE);
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SMSC95XX_DEFAULT_FS_BURST_CAP_SIZE = (6 * 1024) + (33 * SMSC95XX_FS_USB_PKT_SIZE);
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SMSC95XX transmit command constants SMSC95XX_TX_COMMAND_*
| Transmitted Ethernet frames (To the Bulk OUT endpoint) must be prefixed with an 8-byte header containing the "Tx command word A" followed by the "Tx command word B".
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| TX Command word A
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SMSC95XX_TX_COMMAND_A_DATA_OFFSET = $001F0000;
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SMSC95XX_TX_COMMAND_A_FIRST_SEG = $00002000;
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SMSC95XX_TX_COMMAND_A_LAST_SEG = $00001000;
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SMSC95XX_TX_COMMAND_A_BUF_SIZE = $000007FF;
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| TX Command word B
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SMSC95XX_TX_COMMAND_B_CSUM_ENABLE = $00004000;
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SMSC95XX_TX_COMMAND_B_ADD_CRC_DISABLE = $00002000;
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SMSC95XX_TX_COMMAND_B_DISABLE_PADDING = $00001000;
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SMSC95XX_TX_COMMAND_B_PKT_BYTE_LENGTH = $000007FF;
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SMSC95XX receive status constants SMSC95XX_RX_STATUS_*
| Received Ethernet frames (From the Bulk IN endpoint) are prefixed with a 4-byte Rx Status word containing the flags below. A single USB Bulk IN transfer may contain multiple Ethernet frames (provided that HW_CONFIG_MEF is set in HW_CONFIG), each of which is prepended by a Rx Status word and padded to a 4-byte boundary.
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SMSC95XX_RX_STATUS_FF = $40000000;
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Filter Fail
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SMSC95XX_RX_STATUS_FL = $3FFF0000;
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Frame Length
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SMSC95XX_RX_STATUS_ES = $00008000;
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Error Summary
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SMSC95XX_RX_STATUS_BF = $00002000;
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Broadcast Frame
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SMSC95XX_RX_STATUS_LE = $00001000;
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Length Error
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SMSC95XX_RX_STATUS_RF = $00000800;
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Runt Frame
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SMSC95XX_RX_STATUS_MF = $00000400;
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Multicast Frame
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SMSC95XX_RX_STATUS_TL = $00000080;
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Frame too long
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SMSC95XX_RX_STATUS_CS = $00000040;
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Collision Seen
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SMSC95XX_RX_STATUS_FT = $00000020;
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Frame Type
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SMSC95XX_RX_STATUS_RW = $00000010;
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Receive Watchdog
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SMSC95XX_RX_STATUS_ME = $00000008;
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Mii Error
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SMSC95XX_RX_STATUS_DB = $00000004;
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Dribbling
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SMSC95XX_RX_STATUS_CRC = $00000002;
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CRC Error
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SMSC95XX ID revision constants SMSC95XX_ID_REVISION_*
| Read/Write Register Definitions
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SMSC95XX_ID_REVISION = $00;
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SMSC95XX_ID_REVISION_CHIP_ID_MASK = $FFFF0000;
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SMSC95XX_ID_REVISION_CHIP_REV_MASK = $0000FFFF;
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SMSC95XX_ID_REVISION_CHIP_ID_9500 = $9500;
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SMSC95XX_ID_REVISION_CHIP_ID_9500A = $9E00;
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SMSC95XX_ID_REVISION_CHIP_ID_9512 = $EC00;
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SMSC95XX_ID_REVISION_CHIP_ID_9530 = $9530;
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SMSC95XX_ID_REVISION_CHIP_ID_89530 = $9E08;
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SMSC95XX_ID_REVISION_CHIP_ID_9730 = $9730;
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SMSC95XX interrupt status constants SMSC95XX_INTERRUPT_STATUS_*
SMSC95XX_INTERRUPT_STATUS = $08;
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SMSC95XX_INTERRUPT_STATUS_TX_STOP = $00020000;
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SMSC95XX_INTERRUPT_STATUS_RX_STOP = $00010000;
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SMSC95XX_INTERRUPT_STATUS_PHY_INT = $00008000;
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SMSC95XX_INTERRUPT_STATUS_TXE = $00004000;
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SMSC95XX_INTERRUPT_STATUS_TDFU = $00002000;
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SMSC95XX_INTERRUPT_STATUS_TDFO = $00001000;
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SMSC95XX_INTERRUPT_STATUS_RXDF = $00000800;
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SMSC95XX_INTERRUPT_STATUS_GPIOS = $000007FF;
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SMSC95XX_INTERRUPT_STATUS_CLEAR_ALL = $FFFFFFFF;
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SMSC95XX receive configuration constants SMSC95XX_RX_CONFIG_*
SMSC95XX_RX_CONFIG = $0C;
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SMSC95XX_RX_CONFIG_FIFO_FLUSH = $00000001;
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Most likely, software can write 1 to this flag discard all the Rx packets currently buffered by the device.
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SMSC95XX transmit configuration constants SMSC95XX_TX_CONFIG_*
SMSC95XX_TX_CONFIG = $10;
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SMSC95XX_TX_CONFIG_ON = $00000004;
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Transmit On flag. Software can write 1 here to enable transmit functionality (at the PHY layer?). Writing 0 is ignored. Reads as current on (1) / off (0) state. However, to actually allow packets to be transmitted, software also must set the MAC_CONTROL_TXEN flag in the MAC_CONTROL register.
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SMSC95XX_TX_CONFIG_STOP = $00000002;
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Transmit Stop flag. Software can write 1 here to turn transmit functionality off. Writing 0 is ignored. Always reads as 0.
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SMSC95XX_TX_CONFIG_FIFO_FLUSH = $00000001;
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Most likely, software can write 1 to this flag to discard all the Tx packets currently buffered by the device.
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SMSC95XX hardware configuration constants SMSC95XX_HW_CONFIG_*
| This contains a number of flags that software can modify to configure the Ethernet Adapter (Default 0).
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SMSC95XX_HW_CONFIG = $14;
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SMSC95XX_HW_CONFIG_BIR = $00001000;
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SMSC95XX_HW_CONFIG_LEDB = $00000800;
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SMSC95XX_HW_CONFIG_RXDOFF = $00000600;
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Rx packet offset: Software can modify this 2-bit field to cause Rx packets to be offset by the specified number of bytes. This is apparently intended to allow software to align the IP header on a 4 byte boundary.
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SMSC95XX_HW_CONFIG_DRP = $00000040;
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SMSC95XX_HW_CONFIG_MEF = $00000020;
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Multiple Ethernet Frames: Software can set this flag in HW_CONFIG to allow multiple Ethernet frames to be received in a single USB Bulk In transfer. The default value after reset is 0, meaning that the hardware will by default provide each received Ethernet frame in a separate USB Bulk In transfer.
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SMSC95XX_HW_CONFIG_LRST = $00000008;
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SMSC95XX_HW_CONFIG_PSEL = $00000004;
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SMSC95XX_HW_CONFIG_BCE = $00000002;
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SMSC95XX_HW_CONFIG_SRST = $00000001;
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SMSC95XX RX FIFO constants SMSC95XX_RX_FIFO_*
SMSC95XX_RX_FIFO_INF = $18;
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SMSC95XX power management control constants SMSC95XX_PM_CONTROL_*
SMSC95XX_PM_CONTROL = $20;
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SMSC95XX_PM_CONTROL_RES_CLR_WKP_STS = $00000200;
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SMSC95XX_PM_CONTROL_DEV_RDY = $00000080;
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SMSC95XX_PM_CONTROL_SUS_MODE = $00000060;
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SMSC95XX_PM_CONTROL_SUS_MODE_0 = $00000000;
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SMSC95XX_PM_CONTROL_SUS_MODE_1 = $00000020;
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SMSC95XX_PM_CONTROL_SUS_MODE_2 = $00000040;
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SMSC95XX_PM_CONTROL_SUS_MODE_3 = $00000060;
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SMSC95XX_PM_CONTROL_PHY_RST = $00000010;
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PHY Reset flag: Write 1 to start a PHY reset on the device. Automatically cleared when the PHY has reset (less than 1 second).
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SMSC95XX_PM_CONTROL_WOL_EN = $00000008;
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SMSC95XX_PM_CONTROL_ED_EN = $00000004;
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SMSC95XX_PM_CONTROL_WUPS = $00000003;
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SMSC95XX_PM_CONTROL_WUPS_NO = $00000000;
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SMSC95XX_PM_CONTROL_WUPS_ED = $00000001;
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SMSC95XX_PM_CONTROL_WUPS_WOL = $00000002;
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SMSC95XX_PM_CONTROL_WUPS_MULTI = $00000003;
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SMSC95XX LED GPIO configuration constants SMSC95XX_LED_GPIO_CONFIG_*
SMSC95XX_LED_GPIO_CONFIG = $24;
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SMSC95XX_LED_GPIO_CONFIG_SPD_LED = $01000000;
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SMSC95XX_LED_GPIO_CONFIG_LNK_LED = $00100000;
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SMSC95XX_LED_GPIO_CONFIG_FDX_LED = $00010000;
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SMSC95XX GPIO configuration constants SMSC95XX_GPIO_CONFIG_*
SMSC95XX_GPIO_CONFIG = $28;
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SMSC95XX advanced flow control configuration constants SMSC95XX_AFC_CONFIG_*
| Default 0)
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SMSC95XX_AFC_CONFIG = $2C;
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SMSC95XX_AFC_CONFIG_DEFAULT = $00F830A1;
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SMSC95XX E2P command constants SMSC95XX_E2P_COMMAND_*
| Unknown Register
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SMSC95XX_E2P_COMMAND = $30;
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SMSC95XX_E2P_COMMAND_BUSY= $80000000;
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SMSC95XX_E2P_COMMAND_MASK= $70000000;
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SMSC95XX_E2P_COMMAND_READ = $00000000;
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SMSC95XX_E2P_COMMAND_EWDS= $10000000;
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SMSC95XX_E2P_COMMAND_EWEN = $20000000;
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SMSC95XX_E2P_COMMAND_WRITE = $30000000;
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SMSC95XX_E2P_COMMAND_WRAL = $40000000;
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SMSC95XX_E2P_COMMAND_ERASE = $50000000;
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SMSC95XX_E2P_COMMAND_ERAL = $60000000;
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SMSC95XX_E2P_COMMAND_RELOAD = $70000000;
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SMSC95XX_E2P_COMMAND_TIMEOUT = $00000400;
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SMSC95XX_E2P_COMMAND_LOADED = $00000200;
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SMSC95XX_E2P_COMMAND_ADDR = $000001FF;
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[Expand]
SMSC95XX E2P data constants SMSC95XX_E2P_DATA_*
| Unknown Register
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SMSC95XX_E2P_DATA = $34;
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SMSC95XX_E2P_DATA_MASK = $000000FF;
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SMSC95XX burst cap constants SMSC95XX_BURST_CAP_*
| When multiple Ethernet frames per USB bulk transfer are enabled, this register must be set by software to specify the maximum number of USB (not networking!) packets the hardware will provide in a single Bulk In transfer.
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| This register is ignored if HW_CONFIG_MEF is not set. Otherwise, this must be set to at least 5, which represents a maximum of 5 * 512 = 2560 bytes of data per transfer from the high speed Bulk In endpoint.
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SMSC95XX_BURST_CAP = $38;
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SMSC95XX GPIO wake constants SMSC95XX_GPIO_WAKE_*
SMSC95XX_GPIO_WAKE = $64;
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SMSC95XX interrupt endpoint control constants SMSC95XX_INT_EP_CONTROL_*
SMSC95XX_INT_EP_CONTROL = $68;
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SMSC95XX_INT_EP_CONTROL_INTEP = $80000000;
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SMSC95XX_INT_EP_CONTROL_MACRTO = $00080000;
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SMSC95XX_INT_EP_CONTROL_TX_STOP = $00020000;
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SMSC95XX_INT_EP_CONTROL_RX_STOP = $00010000;
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SMSC95XX_INT_EP_CONTROL_PHY_INT = $00008000;
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SMSC95XX_INT_EP_CONTROL_TXE = $00004000;
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SMSC95XX_INT_EP_CONTROL_TDFU = $00002000;
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SMSC95XX_INT_EP_CONTROL_TDFO = $00001000;
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SMSC95XX_INT_EP_CONTROL_RXDF = $00000800;
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SMSC95XX_INT_EP_CONTROL_GPIOS = $000007FF;
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SMSC95XX bulk in delay constants SMSC95XX_BULK_IN_DELAY_*
| The low 16 bits of this register contain a value that indicates the maximum amount of time the hardware waits for additional packets before responding to a Bulk In request once a packet has been received. From experiment, the time is specified on a linear scale where each unit is approximately 17 nanoseconds. The default value in this register after reset is 0x800 which indicates a delay of about 34.8 microseconds, assuming that the scale is 0-based. SMSC's Linux driver changes this to 0x2000, or a delay of about 139 microseconds.
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| The value in this register no effect if HW_CONFIG_MEF is not set in the HW_CONFIG register.
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SMSC95XX_BULK_IN_DELAY = $6C;
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SMSC95XX media access control constants SMSC95XX_MAC_CONTROL_*
SMSC95XX_MAC_CONTROL = $100;
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SMSC95XX_MAC_CONTROL_RXALL = $80000000;
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SMSC95XX_MAC_CONTROL_RCVOWN = $00800000;
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Half duplex mode
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SMSC95XX_MAC_CONTROL_LOOPBK = $00200000;
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Loopback mode
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SMSC95XX_MAC_CONTROL_FDPX = $00100000;
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Full duplex mode
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SMSC95XX_MAC_CONTROL_MCPAS = $00080000;
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Multicast pass: receive all multicast packets
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SMSC95XX_MAC_CONTROL_PRMS = $00040000;
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Promiscuous mode
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SMSC95XX_MAC_CONTROL_INVFILT = $00020000;
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Inverse filtering
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SMSC95XX_MAC_CONTROL_PASSBAD = $00010000;
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Pass on bad frames
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SMSC95XX_MAC_CONTROL_HFILT = $00008000;
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SMSC95XX_MAC_CONTROL_HPFILT = $00002000;
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Filter received multicast packets by the set of addresses specified by HASH_HIGH and HASH_LOW
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SMSC95XX_MAC_CONTROL_LCOLL = $00001000;
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SMSC95XX_MAC_CONTROL_BCAST = $00000800;
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Receive broadcast packets
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SMSC95XX_MAC_CONTROL_DISRTY = $00000400;
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SMSC95XX_MAC_CONTROL_PADSTR = $00000100;
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SMSC95XX_MAC_CONTROL_BOLMT_MASK = $000000C0;
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SMSC95XX_MAC_CONTROL_DFCHK = $00000020;
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SMSC95XX_MAC_CONTROL_TX_ENABLE = $00000008;
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Transmit enabled (MAC layer). 1 to enable / 0 to disable (Must also set the SMSC95XX_TX_CONFIG_ON flag in the SMSC95XX_TX_CONFIG register).
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SMSC95XX_MAC_CONTROL_RX_ENABLE = $00000004;
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Receive enabled. 1 to enable / 0 to disable.
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[Expand]
SMSC95XX MAC address constants SMSC95XX_MAC_ADDRESS_*
| This contains the high 2 bytes of the MAC address used by the device, stored in little endian order.
As they are not part of the MAC address, the hardware ignores the values written to the upper 2 bytes of this register and always reads them as 0.
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| Software can change the MAC address used by the device by writing to the MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW registers, and it can retrieve the current MAC address by reading them. On reset, the device will read its MAC address from the EEPROM if one is attached; otherwise it will set its MAC address to 0xFFFFFFFFFFFF.
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SMSC95XX_MAC_ADDRESS_HIGH = $104;
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| This contains the low 4 bytes of the MAC address used by the device, stored in little endian order. See MAC_ADDRESS_HIGH.
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SMSC95XX_MAC_ADDRESS_LOW = $108;
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[Expand]
SMSC95XX hash constants SMSC95XX_HASH_*
| Used together with HASH_LOW to filter specific multicast packets
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SMSC95XX_HASH_HIGH = $10C;
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| Used together with HASH_HIGH to filter specific multicast packets
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SMSC95XX_HASH_LOW = $110;
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[Expand]
SMSC95XX MII constants SMSC95XX_MII_*
| Unknown Register
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SMSC95XX_MII_ADDR = $114;
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SMSC95XX_MII_WRITE = $02;
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SMSC95XX_MII_BUSY = $01;
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SMSC95XX_MII_READ = $00;
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~of MII Write bit
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SMSC95XX_MII_DATA = $118;
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[Expand]
SMSC95XX flow constants SMSC95XX_FLOW_*
| Unknown Register,(Default 0)
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SMSC95XX_FLOW = $11C;
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SMSC95XX_FLOW_FCPT = $FFFF0000;
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SMSC95XX_FLOW_FCPASS = $00000004;
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SMSC95XX_FLOW_FCEN = $00000002;
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SMSC95XX_FLOW_FCBSY = $00000001;
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[Expand]
SMSC95XX VLAN constants SMSC95XX_VLAN*
| Unknown Register
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SMSC95XX_VLAN1 = $120;
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SMSC95XX_VLAN2 = $124;
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[Expand]
SMSC95XX WUFF constants SMSC95XX_WUFF_*
| Unknown Register
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SMSC95XX_WUFF = $128;
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SMSC95XX_LAN9500_WUFF_NUM = 4;
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SMSC95XX_LAN9500A_WUFF_NUM = 8;
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[Expand]
SMSC95XX WUCSR constants SMSC95XX_WUCSR_*
| Unknown Register
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SMSC95XX_WUCSR = $12C;
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SMSC95XX_WUCSR_WFF_PTR_RST = $80000000;
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SMSC95XX_WUCSR_GUE = $00000200;
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SMSC95XX_WUCSR_WUFR = $00000040;
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SMSC95XX_WUCSR_WAKE_EN = $00000004;
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SMSC95XX_WUCSR_MPEN = $00000002;
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[Expand]
SMSC95XX checksum offload engine/enable control constants SMSC95XX_COE_*
SMSC95XX_COE_CONTROL = $130;
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SMSC95XX_TX_COE_ENABLE = $00010000;
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Transmit checksum offload enabled. 1 to enable / 0 to disable (Default 0).
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SMSC95XX_RX_COE_MODE = $00000002;
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Unknown (Default 0)
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SMSC95XX_RX_COE_ENABLE = $00000001;
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Receive checksum offload enabled. 1 to enable / 0 to disable (Default 0).
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[Expand]
SMSC95XX vendor-specific physical constants SMSC95XX_PHY_EDPD_*
| EDPD NLP / crossover time configuration (LAN9500A only)
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SMSC95XX_PHY_EDPD_CONFIG = 16;
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SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_EN = $8000;
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SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_1000 = $0000;
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SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_768 = $2000;
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SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_512 = $4000;
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SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_256 = $6000;
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SMSC95XX_PHY_EDPD_CONFIG_RX_1_NLP = $1000;
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SMSC95XX_PHY_EDPD_CONFIG_RX_NLP_64 = $0000;
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SMSC95XX_PHY_EDPD_CONFIG_RX_NLP_256 = $0400;
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SMSC95XX_PHY_EDPD_CONFIG_RX_NLP_512 = $0800;
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SMSC95XX_PHY_EDPD_CONFIG_RX_NLP_1000 = $0C00;
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SMSC95XX_PHY_EDPD_CONFIG_EXT_CROSSOVER = $0001;
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SMSC95XX_PHY_EDPD_CONFIG_DEFAULT = (SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_EN or SMSC95XX_PHY_EDPD_CONFIG_TX_NLP_768 or SMSC95XX_PHY_EDPD_CONFIG_RX_1_NLP);
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[Expand]
SMSC95XX mode control/status constants SMSC95XX_MODE_CTRL_STS_*
SMSC95XX_PHY_MODE_CTRL_STS = 17;
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SMSC95XX_MODE_CTRL_STS_EDPWRDOWN = $2000;
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SMSC95XX_MODE_CTRL_STS_ENERGYON = $0002;
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[Expand]
SMSC95XX special control/status constants SMSC95XX_SPECIAL_CTRL_STS_*
SMSC95XX_SPECIAL_CTRL_STS = 27;
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SMSC95XX_SPECIAL_CTRL_STS_OVRRD_AMDIX = $8000;
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SMSC95XX_SPECIAL_CTRL_STS_AMDIX_ENABLE = $4000;
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SMSC95XX_SPECIAL_CTRL_STS_AMDIX_STATE = $2000;
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[Expand]
SMSC95XX physical interrupt source constants SMSC95XX_PHY_INT_SRC_*
SMSC95XX_PHY_INT_SRC = 29;
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SMSC95XX_PHY_INT_SRC_ENERGY_ON = $0080;
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SMSC95XX_PHY_INT_SRC_ANEG_COMP = $0040;
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SMSC95XX_PHY_INT_SRC_REMOTE_FAULT = $0020;
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SMSC95XX_PHY_INT_SRC_LINK_DOWN = $0010;
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[Expand]
SMSC95XX physical interrupt mask constants SMSC95XX_PHY_INT_MASK_*
SMSC95XX_PHY_INT_MASK = 30;
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SMSC95XX_PHY_INT_MASK_ENERGY_ON = $0080;
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SMSC95XX_PHY_INT_MASK_ANEG_COMP = $0040;
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SMSC95XX_PHY_INT_MASK_REMOTE_FAULT = $0020;
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SMSC95XX_PHY_INT_MASK_LINK_DOWN = $0010;
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SMSC95XX_PHY_INT_MASK_DEFAULT = (SMSC95XX_PHY_INT_MASK_ANEG_COMP or SMSC95XX_PHY_INT_MASK_LINK_DOWN);
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[Expand]
SMSC95XX physical special constants SMSC95XX_PHY_SPECIAL_*
SMSC95XX_PHY_SPECIAL = 31;
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SMSC95XX_PHY_SPECIAL_SPD = $001C;
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SMSC95XX_PHY_SPECIAL_SPD_10HALF = $0004;
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SMSC95XX_PHY_SPECIAL_SPD_10FULL = $0014;
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SMSC95XX_PHY_SPECIAL_SPD_100HALF = $0008;
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SMSC95XX_PHY_SPECIAL_SPD_100FULL = $0018;
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SMSC95XX USB vendor request constants SMSC95XX_VENDOR_REQUEST_*
| Write Register: Specify as bRequest of a USB control message to write a register on the SMSC LAN95XX. bmRequestType must specify a vendor-specific request in the host-to-device direction, wIndex must specify the register, and the transfer data must be 4 bytes containing the value to write.
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SMSC95XX_VENDOR_REQUEST_WRITE_REGISTER = $A0;
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| Read Register: Specify as bRequest of a USB control message to read a register from the SMSC LAN95XX. bmRequestType must specify a vendor-specific request in the device-to-host direction, wIndex must specify the register, and the transfer data must be a 4 byte location to read the value.
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SMSC95XX_VENDOR_REQUEST_READ_REGISTER = $A1;
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| Get Statistics
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SMSC95XX_VENDOR_REQUEST_GET_STATS = $A2;
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SMSC95XX interrupt endpoint status word constants SMSC95XX_INT_ENP_*
SMSC95XX_INT_ENP_TX_STOP = $00000001 shl 17;
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SMSC95XX_INT_ENP_RX_STOP = $00000001 shl 16;
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SMSC95XX_INT_ENP_PHY_INT = $00000001 shl 15;
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SMSC95XX_INT_ENP_TXE = $00000001 shl 14;
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SMSC95XX_INT_ENP_TDFU = $00000001 shl 13;
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SMSC95XX_INT_ENP_TDFO = $00000001 shl 12;
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SMSC95XX_INT_ENP_RXDF = $00000001 shl 11;
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Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
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procedure SMSC95XXInit;
Description: To be documented
SMSC95XX network functions
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function SMSC95XXDeviceOpen(Network:PNetworkDevice):LongWord;
Description: Implementation of NetworkDeviceOpen for the SMSC95XX device
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function SMSC95XXDeviceClose(Network:PNetworkDevice):LongWord;
Description: Implementation of NetworkDeviceClose for the SMSC95XX device
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function SMSC95XXDeviceRead(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;
Description: Implementation of NetworkDeviceRead for the SMSC95XX device
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function SMSC95XXDeviceWrite(Network:PNetworkDevice; Buffer:Pointer; Size:LongWord; var Length:LongWord):LongWord;
Description: Implementation of NetworkDeviceWrite for the SMSC95XX device
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function SMSC95XXDeviceControl(Network:PNetworkDevice; Request:Integer; Argument1:PtrUInt; var Argument2:PtrUInt):LongWord;
Description: Implementation of NetworkDeviceControl for the SMSC95XX device
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function SMSC95XXBufferAllocate(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;
Description: Implementation of NetworkBufferAllocate for the SMSC95XX device
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function SMSC95XXBufferRelease(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;
Description: Implementation of NetworkBufferRelease for the SMSC95XX device
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function SMSC95XXBufferReceive(Network:PNetworkDevice; var Entry:PNetworkEntry):LongWord;
Description: Implementation of NetworkBufferReceive for the SMSC95XX device
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function SMSC95XXBufferTransmit(Network:PNetworkDevice; Entry:PNetworkEntry):LongWord;
Description: Implementation of NetworkBufferTransmit for the SMSC95XX device
SMSC95XX USB functions
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function SMSC95XXDriverBind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;
Description: Bind the SMSC95XX driver to a USB device if it is suitable
| Device
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The USB device to attempt to bind to
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| Interrface
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The USB interface to attempt to bind to (or nil for whole device)
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| Return
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USB_STATUS_SUCCESS if completed, USB_STATUS_DEVICE_UNSUPPORTED if unsupported or another error code on failure
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function SMSC95XXDriverUnbind(Device:PUSBDevice; Interrface:PUSBInterface):LongWord;
Description: Unbind the SMSC95XX driver from a USB device
| Device
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The USB device to unbind from
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| Interrface
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The USB interface to unbind from (or nil for whole device)
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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procedure SMSC95XXReceiveWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request from the SMSC95XX bulk IN endpoint
| Request
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The USB request which has completed
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procedure SMSC95XXReceiveComplete(Request:PUSBRequest);
Description: Called when a USB request from the SMSC95XX bulk IN endpoint completes
| Request
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The USB request which has completed
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| Note
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Request is passed to worker thread for processing to prevent blocking the USB completion
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procedure SMSC95XXTransmitWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request to the SMSC95XX bulk OUT endpoint
| Request
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The USB request which has completed
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procedure SMSC95XXTransmitComplete(Request:PUSBRequest);
Description: Called when a USB request to the SMSC95XX bulk OUT endpoint completes
| Request
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The USB request which has completed
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| Note
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Request is passed to worker thread for processing to prevent blocking the USB completion
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procedure SMSC95XXInterruptWorker(Request:PUSBRequest);
Description: Called (by a Worker thread) to process a completed USB request from the SMSC95XX interrupt IN endpoint
| Request
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The USB request which has completed
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procedure SMSC95XXInterruptComplete(Request:PUSBRequest);
Description: Called when a USB request from the SMSC95XX interrupt IN endpoint completes
| Request
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The USB request which has completed
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| Note
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Request is passed to worker thread for processing to prevent blocking the USB completion
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SMSC95XX helper functions
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function SMSC95XXCheckDevice(Device:PUSBDevice):LongWord;
Description: Check the Vendor and Device ID against the supported devices
| Device
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USB device to check
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXReadRegister(Device:PUSBDevice; Index:LongWord; var Data:LongWord):LongWord;
Description: Read from a register on the SMSC95XX USB Ethernet Adapter
| Device
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USB device to read from
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| Index
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Index of the register to read
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| Data
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Value to return to registers contents
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXWriteRegister(Device:PUSBDevice; Index,Data:LongWord):LongWord;
Description: Write to a register on the SMSC95XX USB Ethernet Adapter
| Device
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USB device to write to
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| Index
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Index of the register to write
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| Data
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Value to write to the register
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXModifyRegister(Device:PUSBDevice; Index,Mask,Value:LongWord):LongWord;
Description: Modify the value contained in a register on the SMSC LAN95XX USB Ethernet Adapter
| Device
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USB device to modify
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| Index
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Index of the register to modify
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| Mask
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Mask that contains 1 for the bits where the old value in the register will be kept rather than cleared (unless those bits also appear in Value, in which case they will still be set)
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| Value
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Mask of bits to set in the register
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXSetRegisterBits(Device:PUSBDevice; Index,Value:LongWord):LongWord;
Description: Set bits in a register on the SMSC95XX USB Ethernet Adapter
| Device
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USB device to write to
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| Index
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Index of the register to modify
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| Value
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Bits to set in the register. At positions where there is a 0, the old value in the register will be written
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXClearRegisterBits(Device:PUSBDevice; Index,Value:LongWord):LongWord;
Description: Clear bits in a register on the SMSC95XX USB Ethernet Adapter
| Device
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USB device to write to
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| Index
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Index of the register to modify
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| Value
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Bits to clear in the register. At positions where there is a 0, the old value in the register will be written
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXSetMacAddress(Device:PUSBDevice; Address:PHardwareAddress):LongWord;
Description: Set the MAC address of the SMSC95XX USB Ethernet Adapter
| Device
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USB device to write to
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| Address
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MAC address value to set
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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function SMSC95XXGetMacAddress(Device:PUSBDevice; Address:PHardwareAddress):LongWord;
Description: Get the MAC address of the SMSC95XX USB Ethernet Adapter
| Device
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USB device read from
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| Address
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Value to read the MAC address into
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| Return
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USB_STATUS_SUCCESS if completed or another error code on failure
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