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Release 4.7 drivers/net/wan/hd64570.h

Directory: drivers/net/wan
#ifndef __HD64570_H

#define __HD64570_H

/* SCA HD64570 register definitions - all addresses for mode 0 (8086 MPU)
   and 1 (64180 MPU). For modes 2 and 3, XOR the address with 0x01.

   Source: HD64570 SCA User's Manual
*/



/* SCA Control Registers */

#define LPR    0x00		
/* Low Power */

/* Wait controller registers */

#define PABR0  0x02		
/* Physical Address Boundary 0 */

#define PABR1  0x03		
/* Physical Address Boundary 1 */

#define WCRL   0x04		
/* Wait Control L */

#define WCRM   0x05		
/* Wait Control M */

#define WCRH   0x06		
/* Wait Control H */


#define PCR    0x08		
/* DMA Priority Control */

#define DMER   0x09		
/* DMA Master Enable */


/* Interrupt registers */

#define ISR0   0x10		
/* Interrupt Status 0  */

#define ISR1   0x11		
/* Interrupt Status 1  */

#define ISR2   0x12		
/* Interrupt Status 2  */


#define IER0   0x14		
/* Interrupt Enable 0  */

#define IER1   0x15		
/* Interrupt Enable 1  */

#define IER2   0x16		
/* Interrupt Enable 2  */


#define ITCR   0x18		
/* Interrupt Control */

#define IVR    0x1A		
/* Interrupt Vector */

#define IMVR   0x1C		
/* Interrupt Modified Vector */



/* MSCI channel (port) 0 registers - offset 0x20
   MSCI channel (port) 1 registers - offset 0x40 */


#define MSCI0_OFFSET 0x20

#define MSCI1_OFFSET 0x40


#define TRBL   0x00		
/* TX/RX buffer L */ 

#define TRBH   0x01		
/* TX/RX buffer H */ 

#define ST0    0x02		
/* Status 0 */

#define ST1    0x03		
/* Status 1 */

#define ST2    0x04		
/* Status 2 */

#define ST3    0x05		
/* Status 3 */

#define FST    0x06		
/* Frame Status  */

#define IE0    0x08		
/* Interrupt Enable 0 */

#define IE1    0x09		
/* Interrupt Enable 1 */

#define IE2    0x0A		
/* Interrupt Enable 2 */

#define FIE    0x0B		
/* Frame Interrupt Enable  */

#define CMD    0x0C		
/* Command */

#define MD0    0x0E		
/* Mode 0 */

#define MD1    0x0F		
/* Mode 1 */

#define MD2    0x10		
/* Mode 2 */

#define CTL    0x11		
/* Control */

#define SA0    0x12		
/* Sync/Address 0 */

#define SA1    0x13		
/* Sync/Address 1 */

#define IDL    0x14		
/* Idle Pattern */

#define TMC    0x15		
/* Time Constant */

#define RXS    0x16		
/* RX Clock Source */

#define TXS    0x17		
/* TX Clock Source */

#define TRC0   0x18		
/* TX Ready Control 0 */ 

#define TRC1   0x19		
/* TX Ready Control 1 */ 

#define RRC    0x1A		
/* RX Ready Control */ 

#define CST0   0x1C		
/* Current Status 0 */

#define CST1   0x1D		
/* Current Status 1 */


/* Timer channel 0 (port 0 RX) registers - offset 0x60
   Timer channel 1 (port 0 TX) registers - offset 0x68
   Timer channel 2 (port 1 RX) registers - offset 0x70
   Timer channel 3 (port 1 TX) registers - offset 0x78
*/


#define TIMER0RX_OFFSET 0x60

#define TIMER0TX_OFFSET 0x68

#define TIMER1RX_OFFSET 0x70

#define TIMER1TX_OFFSET 0x78


#define TCNTL  0x00		
/* Up-counter L */

#define TCNTH  0x01		
/* Up-counter H */

#define TCONRL 0x02		
/* Constant L */

#define TCONRH 0x03		
/* Constant H */

#define TCSR   0x04		
/* Control/Status */

#define TEPR   0x05		
/* Expand Prescale */



/* DMA channel 0 (port 0 RX) registers - offset 0x80
   DMA channel 1 (port 0 TX) registers - offset 0xA0
   DMA channel 2 (port 1 RX) registers - offset 0xC0
   DMA channel 3 (port 1 TX) registers - offset 0xE0
*/


#define DMAC0RX_OFFSET 0x80

#define DMAC0TX_OFFSET 0xA0

#define DMAC1RX_OFFSET 0xC0

#define DMAC1TX_OFFSET 0xE0


#define BARL   0x00		
/* Buffer Address L (chained block) */

#define BARH   0x01		
/* Buffer Address H (chained block) */

#define BARB   0x02		
/* Buffer Address B (chained block) */


#define DARL   0x00		
/* RX Destination Addr L (single block) */

#define DARH   0x01		
/* RX Destination Addr H (single block) */

#define DARB   0x02		
/* RX Destination Addr B (single block) */


#define SARL   0x04		
/* TX Source Address L (single block) */

#define SARH   0x05		
/* TX Source Address H (single block) */

#define SARB   0x06		
/* TX Source Address B (single block) */


#define CPB    0x06		
/* Chain Pointer Base (chained block) */


#define CDAL   0x08		
/* Current Descriptor Addr L (chained block) */

#define CDAH   0x09		
/* Current Descriptor Addr H (chained block) */

#define EDAL   0x0A		
/* Error Descriptor Addr L (chained block) */

#define EDAH   0x0B		
/* Error Descriptor Addr H (chained block) */

#define BFLL   0x0C		
/* RX Receive Buffer Length L (chained block)*/

#define BFLH   0x0D		
/* RX Receive Buffer Length H (chained block)*/

#define BCRL   0x0E		
/* Byte Count L */

#define BCRH   0x0F		
/* Byte Count H */

#define DSR    0x10		
/* DMA Status */

#define DSR_RX(node) (DSR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))

#define DSR_TX(node) (DSR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET))

#define DMR    0x11		
/* DMA Mode */

#define DMR_RX(node) (DMR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))

#define DMR_TX(node) (DMR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET))

#define FCT    0x13		
/* Frame End Interrupt Counter */

#define FCT_RX(node) (FCT + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))

#define FCT_TX(node) (FCT + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET))

#define DIR    0x14		
/* DMA Interrupt Enable */

#define DIR_RX(node) (DIR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))

#define DIR_TX(node) (DIR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET))

#define DCR    0x15		
/* DMA Command  */

#define DCR_RX(node) (DCR + (node ? DMAC1RX_OFFSET : DMAC0RX_OFFSET))

#define DCR_TX(node) (DCR + (node ? DMAC1TX_OFFSET : DMAC0TX_OFFSET))




/* Descriptor Structure */

typedef struct {
	
u16 cp;			/* Chain Pointer */
	
u32 bp;			/* Buffer Pointer (24 bits) */
	
u16 len;		/* Data Length */
	
u8 stat;		/* Status */
	
u8 unused;		/* pads to 2-byte boundary */
}
__packed pkt_desc;


/* Packet Descriptor Status bits */


#define ST_TX_EOM     0x80	
/* End of frame */

#define ST_TX_EOT     0x01	
/* End of transmission */


#define ST_RX_EOM     0x80	
/* End of frame */

#define ST_RX_SHORT   0x40	
/* Short frame */

#define ST_RX_ABORT   0x20	
/* Abort */

#define ST_RX_RESBIT  0x10	
/* Residual bit */

#define ST_RX_OVERRUN 0x08	
/* Overrun */

#define ST_RX_CRC     0x04	
/* CRC */


#define ST_ERROR_MASK 0x7C


#define DIR_EOTE      0x80      
/* Transfer completed */

#define DIR_EOME      0x40      
/* Frame Transfer Completed (chained-block) */

#define DIR_BOFE      0x20      
/* Buffer Overflow/Underflow (chained-block)*/

#define DIR_COFE      0x10      
/* Counter Overflow (chained-block) */



#define DSR_EOT       0x80      
/* Transfer completed */

#define DSR_EOM       0x40      
/* Frame Transfer Completed (chained-block) */

#define DSR_BOF       0x20      
/* Buffer Overflow/Underflow (chained-block)*/

#define DSR_COF       0x10      
/* Counter Overflow (chained-block) */

#define DSR_DE        0x02	
/* DMA Enable */

#define DSR_DWE       0x01      
/* DMA Write Disable */

/* DMA Master Enable Register (DMER) bits */

#define DMER_DME      0x80	
/* DMA Master Enable */



#define CMD_RESET     0x21	
/* Reset Channel */

#define CMD_TX_ENABLE 0x02	
/* Start transmitter */

#define CMD_RX_ENABLE 0x12	
/* Start receiver */


#define MD0_HDLC      0x80	
/* Bit-sync HDLC mode */

#define MD0_CRC_ENA   0x04	
/* Enable CRC code calculation */

#define MD0_CRC_CCITT 0x02	
/* CCITT CRC instead of CRC-16 */

#define MD0_CRC_PR1   0x01	
/* Initial all-ones instead of all-zeros */


#define MD0_CRC_NONE  0x00

#define MD0_CRC_16_0  0x04

#define MD0_CRC_16    0x05

#define MD0_CRC_ITU_0 0x06

#define MD0_CRC_ITU   0x07


#define MD2_NRZ	      0x00

#define MD2_NRZI      0x20

#define MD2_MANCHESTER 0x80

#define MD2_FM_MARK   0xA0

#define MD2_FM_SPACE  0xC0

#define MD2_LOOPBACK  0x03      
/* Local data Loopback */


#define CTL_NORTS     0x01

#define CTL_IDLE      0x10	
/* Transmit an idle pattern */

#define CTL_UDRNC     0x20	
/* Idle after CRC or FCS+flag transmission */


#define ST0_TXRDY     0x02	
/* TX ready */

#define ST0_RXRDY     0x01	
/* RX ready */


#define ST1_UDRN      0x80	
/* MSCI TX underrun */

#define ST1_CDCD      0x04	
/* DCD level changed */


#define ST3_CTS       0x08	
/* modem input - /CTS */

#define ST3_DCD       0x04	
/* modem input - /DCD */


#define IE0_TXINT     0x80	
/* TX INT MSCI interrupt enable */

#define IE0_RXINTA    0x40	
/* RX INT A MSCI interrupt enable */

#define IE1_UDRN      0x80	
/* TX underrun MSCI interrupt enable */

#define IE1_CDCD      0x04	
/* DCD level changed */


#define DCR_ABORT     0x01	
/* Software abort command */

#define DCR_CLEAR_EOF 0x02	
/* Clear EOF interrupt */

/* TX and RX Clock Source - RXS and TXS */

#define CLK_BRG_MASK  0x0F

#define CLK_LINE_RX   0x00	
/* TX/RX clock line input */

#define CLK_LINE_TX   0x00	
/* TX/RX line input */

#define CLK_BRG_RX    0x40	
/* internal baud rate generator */

#define CLK_BRG_TX    0x40	
/* internal baud rate generator */

#define CLK_RXCLK_TX  0x60	
/* TX clock from RX clock */

#endif

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Directory: drivers/net/wan
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