drivers/net/tokenring/3c359.h - kernel/skids - Git at Google

 /*
  *  3c359.h (c) 2000 Mike Phillips (mikep@linuxtr.net) All Rights Reserved
  *
  *  Linux driver for 3Com 3C359 Token Link PCI XL cards.
  *
  *  This software may be used and distributed according to the terms
  *  of the GNU General Public License Version 2 or (at your option)
  *  any later verion, incorporated herein by reference.
  */

 /* Memory Access Commands */
 #define IO_BYTE_READ 0x28 << 24
 #define IO_BYTE_WRITE 0x18 << 24
 #define IO_WORD_READ 0x20 << 24
 #define IO_WORD_WRITE 0x10 << 24
 #define MMIO_BYTE_READ 0x88 << 24
 #define MMIO_BYTE_WRITE 0x48 << 24
 #define MMIO_WORD_READ 0x80 << 24
 #define MMIO_WORD_WRITE 0x40 << 24
 #define MEM_BYTE_READ 0x8C << 24
 #define MEM_BYTE_WRITE 0x4C << 24
 #define MEM_WORD_READ 0x84 << 24
 #define MEM_WORD_WRITE 0x44 << 24

 #define PMBAR 0x1C80
 #define PMB_CPHOLD (1<<10)

 #define CPATTENTION 0x180D
 #define CPA_PMBARVIS (1<<7)
 #define CPA_MEMWREN (1<<6)

 #define SWITCHSETTINGS 0x1C88
 #define EECONTROL 0x1C8A
 #define EEDATA 0x1C8C
 #define EEREAD 0x0080
 #define EEWRITE 0x0040
 #define EEERASE 0x0060
 #define EE_ENABLE_WRITE 0x0030
 #define EEBUSY (1<<15)

 #define WRBR 0xCDE02
 #define WWOR 0xCDE04
 #define WWCR 0xCDE06
 #define MACSTATUS 0xCDE08
 #define MISR_RW 0xCDE0B
 #define MISR_AND 0xCDE2B
 #define MISR_SET 0xCDE4B
 #define RXBUFAREA 0xCDE10
 #define RXEARLYTHRESH 0xCDE12
 #define TXSTARTTHRESH 0x58
 #define DNPRIREQTHRESH 0x2C

 #define MISR_CSRB (1<<5)
 #define MISR_RASB (1<<4)
 #define MISR_SRBFR (1<<3)
 #define MISR_ASBFR (1<<2)
 #define MISR_ARBF (1<<1)

 /* MISR Flags memory locations */
 #define MF_SSBF 0xDFFE0
 #define MF_ARBF 0xDFFE1
 #define MF_ASBFR 0xDFFE2
 #define MF_SRBFR 0xDFFE3
 #define MF_RASB 0xDFFE4
 #define MF_CSRB 0xDFFE5

 #define MMIO_MACDATA 0x10
 #define MMIO_MAC_ACCESS_CMD 0x14
 #define MMIO_TIMER 0x1A
 #define MMIO_DMA_CTRL 0x20
 #define MMIO_DNLISTPTR 0x24
 #define MMIO_HASHFILTER 0x28
 #define MMIO_CONFIG 0x29
 #define MMIO_DNPRIREQTHRESH 0x2C
 #define MMIO_DNPOLL 0x2D
 #define MMIO_UPPKTSTATUS 0x30
 #define MMIO_FREETIMER 0x34
 #define MMIO_COUNTDOWN 0x36
 #define MMIO_UPLISTPTR 0x38
 #define MMIO_UPPOLL 0x3C
 #define MMIO_UPBURSTTHRESH 0x40
 #define MMIO_DNBURSTTHRESH 0x41
 #define MMIO_INTSTATUS_AUTO 0x56
 #define MMIO_TXSTARTTHRESH 0x58
 #define MMIO_INTERRUPTENABLE 0x5A
 #define MMIO_INDICATIONENABLE 0x5C
 #define MMIO_COMMAND 0x5E  /* These two are meant to be the same */
 #define MMIO_INTSTATUS 0x5E /* Makes the code more readable this way */
 #define INTSTAT_CMD_IN_PROGRESS (1<<12)
 #define INTSTAT_SRB (1<<14)
 #define INTSTAT_INTLATCH (1<<0)

 /* Indication / Interrupt Mask
  * Annoyingly the bits to be set in the indication and interrupt enable
  * do not match with the actual bits received in the interrupt, although
  * they are in the same order.
  * The mapping for the indication / interrupt are:
  * Bit	Indication / Interrupt
  *   0	HostError
  *   1	txcomplete
  *   2	updneeded
  *   3	rxcomplete
  *   4	intrequested
  *   5	macerror
  *   6  dncomplete
  *   7	upcomplete
  *   8	txunderrun
  *   9	asbf
  *  10	srbr
  *  11	arbc
  *
  *  The only ones we don't want to receive are txcomplete and rxcomplete
  *  we use dncomplete and upcomplete instead.
  */

 #define INT_MASK 0xFF5

 /* Note the subtle difference here, IND and INT */

 #define SETINDENABLE (8<<12)
 #define SETINTENABLE (7<<12)
 #define SRBBIT (1<<10)
 #define ASBBIT (1<<9)
 #define ARBBIT (1<<11)

 #define SRB 0xDFE90
 #define ASB 0xDFED0
 #define ARB 0xD0000
 #define SCRATCH 0xDFEF0

 #define INT_REQUEST 0x6000 /* (6 << 12) */
 #define ACK_INTERRUPT 0x6800 /* (13 <<11) */
 #define GLOBAL_RESET 0x00
 #define DNDISABLE 0x5000
 #define DNENABLE 0x4800
 #define DNSTALL 0x3002
 #define DNRESET 0x5800
 #define DNUNSTALL 0x3003
 #define UPRESET 0x2800
 #define UPSTALL 0x3000
 #define UPUNSTALL 0x3001
 #define SETCONFIG 0x4000
 #define SETTXSTARTTHRESH 0x9800

 /* Received Interrupts */
 #define ASBFINT (1<<13)
 #define SRBRINT (1<<14)
 #define ARBCINT (1<<15)
 #define TXUNDERRUN (1<<11)

 #define UPCOMPINT (1<<10)
 #define DNCOMPINT (1<<9)
 #define HARDERRINT (1<<7)
 #define RXCOMPLETE (1<<4)
 #define TXCOMPINT (1<<2)
 #define HOSTERRINT (1<<1)

 /* Receive descriptor bits */
 #define RXOVERRUN cpu_to_le32(1<<19)
 #define RXFC cpu_to_le32(1<<21)
 #define RXAR cpu_to_le32(1<<22)
 #define RXUPDCOMPLETE cpu_to_le32(1<<23)
 #define RXUPDFULL cpu_to_le32(1<<24)
 #define RXUPLASTFRAG cpu_to_le32(1<<31)

 /* Transmit descriptor bits */
 #define TXDNCOMPLETE cpu_to_le32(1<<16)
 #define TXTXINDICATE cpu_to_le32(1<<27)
 #define TXDPDEMPTY cpu_to_le32(1<<29)
 #define TXDNINDICATE cpu_to_le32(1<<31)
 #define TXDNFRAGLAST cpu_to_le32(1<<31)

 /* Interrupts to Acknowledge */
 #define LATCH_ACK 1
 #define TXCOMPACK (1<<1)
 #define INTREQACK (1<<2)
 #define DNCOMPACK (1<<3)
 #define UPCOMPACK (1<<4)
 #define ASBFACK (1<<5)
 #define SRBRACK (1<<6)
 #define ARBCACK (1<<7)

 #define XL_IO_SPACE 128
 #define SRB_COMMAND_SIZE 50

 /* Adapter Commands */
 #define REQUEST_INT 0x00
 #define MODIFY_OPEN_PARMS 0x01
 #define RESTORE_OPEN_PARMS 0x02
 #define OPEN_NIC 0x03
 #define CLOSE_NIC 0x04
 #define SET_SLEEP_MODE 0x05
 #define SET_GROUP_ADDRESS 0x06
 #define SET_FUNC_ADDRESS 0x07
 #define READ_LOG 0x08
 #define SET_MULTICAST_MODE 0x0C
 #define CHANGE_WAKEUP_PATTERN 0x0D
 #define GET_STATISTICS 0x13
 #define SET_RECEIVE_MODE 0x1F

 /* ARB Commands */
 #define RECEIVE_DATA 0x81
 #define RING_STATUS_CHANGE 0x84

 /* ASB Commands */
 #define ASB_RECEIVE_DATE 0x81

 /* Defines for LAN STATUS CHANGE reports */
 #define LSC_SIG_LOSS 0x8000
 #define LSC_HARD_ERR 0x4000
 #define LSC_SOFT_ERR 0x2000
 #define LSC_TRAN_BCN 0x1000
 #define LSC_LWF      0x0800
 #define LSC_ARW      0x0400
 #define LSC_FPE      0x0200
 #define LSC_RR       0x0100
 #define LSC_CO       0x0080
 #define LSC_SS       0x0040
 #define LSC_RING_REC 0x0020
 #define LSC_SR_CO    0x0010
 #define LSC_FDX_MODE 0x0004

 #define XL_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */

 /* 3c359 defaults for buffers */

 #define XL_RX_RING_SIZE 16 /* must be a power of 2 */
 #define XL_TX_RING_SIZE 16 /* must be a power of 2 */

 #define PKT_BUF_SZ 4096 /* Default packet size */

 /* 3c359 data structures */

 struct xl_tx_desc {
 	__le32 dnnextptr;
 	__le32 framestartheader;
 	__le32 buffer;
 	__le32 buffer_length;
 };

 struct xl_rx_desc {
 	__le32 upnextptr;
 	__le32 framestatus;
 	__le32 upfragaddr;
 	__le32 upfraglen;
 };

 struct xl_private {


 	/* These two structures must be aligned on 8 byte boundaries */

 	/* struct xl_rx_desc xl_rx_ring[XL_RX_RING_SIZE]; */
 	/* struct xl_tx_desc xl_tx_ring[XL_TX_RING_SIZE]; */
 	struct xl_rx_desc *xl_rx_ring ;
 	struct xl_tx_desc *xl_tx_ring ;
 	struct sk_buff *tx_ring_skb[XL_TX_RING_SIZE], *rx_ring_skb[XL_RX_RING_SIZE];
 	int tx_ring_head, tx_ring_tail ;
 	int rx_ring_tail, rx_ring_no ;
 	int free_ring_entries ;

 	u16 srb;
 	u16 arb;
 	u16 asb;

 	u8 __iomem *xl_mmio;
 	const char *xl_card_name;
 	struct pci_dev *pdev ;

 	spinlock_t xl_lock ;

 	volatile int srb_queued;
 	struct wait_queue *srb_wait;
 	volatile int asb_queued;

 	u16 mac_buffer ;
 	u16 xl_lan_status ;
 	u8 xl_ring_speed ;
 	u16 pkt_buf_sz ;
 	u8 xl_message_level;
 	u16 xl_copy_all_options ;
 	unsigned char xl_functional_addr[4] ;
 	u16 xl_addr_table_addr, xl_parms_addr ;
 	u8 xl_laa[6] ;
 	u32 rx_ring_dma_addr ;
 	u32 tx_ring_dma_addr ;

 	/* firmware section */
 	const struct firmware *fw;
 };
	/*
	* 3c359.h (c) 2000 Mike Phillips (mikep@linuxtr.net) All Rights Reserved
	*
	* Linux driver for 3Com 3C359 Token Link PCI XL cards.
	*
	* This software may be used and distributed according to the terms
	* of the GNU General Public License Version 2 or (at your option)
	* any later verion, incorporated herein by reference.
	*/

	/* Memory Access Commands */
	#define IO_BYTE_READ 0x28 << 24
	#define IO_BYTE_WRITE 0x18 << 24
	#define IO_WORD_READ 0x20 << 24
	#define IO_WORD_WRITE 0x10 << 24
	#define MMIO_BYTE_READ 0x88 << 24
	#define MMIO_BYTE_WRITE 0x48 << 24
	#define MMIO_WORD_READ 0x80 << 24
	#define MMIO_WORD_WRITE 0x40 << 24
	#define MEM_BYTE_READ 0x8C << 24
	#define MEM_BYTE_WRITE 0x4C << 24
	#define MEM_WORD_READ 0x84 << 24
	#define MEM_WORD_WRITE 0x44 << 24

	#define PMBAR 0x1C80
	#define PMB_CPHOLD (1<<10)

	#define CPATTENTION 0x180D
	#define CPA_PMBARVIS (1<<7)
	#define CPA_MEMWREN (1<<6)

	#define SWITCHSETTINGS 0x1C88
	#define EECONTROL 0x1C8A
	#define EEDATA 0x1C8C
	#define EEREAD 0x0080
	#define EEWRITE 0x0040
	#define EEERASE 0x0060
	#define EE_ENABLE_WRITE 0x0030
	#define EEBUSY (1<<15)

	#define WRBR 0xCDE02
	#define WWOR 0xCDE04
	#define WWCR 0xCDE06
	#define MACSTATUS 0xCDE08
	#define MISR_RW 0xCDE0B
	#define MISR_AND 0xCDE2B
	#define MISR_SET 0xCDE4B
	#define RXBUFAREA 0xCDE10
	#define RXEARLYTHRESH 0xCDE12
	#define TXSTARTTHRESH 0x58
	#define DNPRIREQTHRESH 0x2C

	#define MISR_CSRB (1<<5)
	#define MISR_RASB (1<<4)
	#define MISR_SRBFR (1<<3)
	#define MISR_ASBFR (1<<2)
	#define MISR_ARBF (1<<1)

	/* MISR Flags memory locations */
	#define MF_SSBF 0xDFFE0
	#define MF_ARBF 0xDFFE1
	#define MF_ASBFR 0xDFFE2
	#define MF_SRBFR 0xDFFE3
	#define MF_RASB 0xDFFE4
	#define MF_CSRB 0xDFFE5

	#define MMIO_MACDATA 0x10
	#define MMIO_MAC_ACCESS_CMD 0x14
	#define MMIO_TIMER 0x1A
	#define MMIO_DMA_CTRL 0x20
	#define MMIO_DNLISTPTR 0x24
	#define MMIO_HASHFILTER 0x28
	#define MMIO_CONFIG 0x29
	#define MMIO_DNPRIREQTHRESH 0x2C
	#define MMIO_DNPOLL 0x2D
	#define MMIO_UPPKTSTATUS 0x30
	#define MMIO_FREETIMER 0x34
	#define MMIO_COUNTDOWN 0x36
	#define MMIO_UPLISTPTR 0x38
	#define MMIO_UPPOLL 0x3C
	#define MMIO_UPBURSTTHRESH 0x40
	#define MMIO_DNBURSTTHRESH 0x41
	#define MMIO_INTSTATUS_AUTO 0x56
	#define MMIO_TXSTARTTHRESH 0x58
	#define MMIO_INTERRUPTENABLE 0x5A
	#define MMIO_INDICATIONENABLE 0x5C
	#define MMIO_COMMAND 0x5E /* These two are meant to be the same */
	#define MMIO_INTSTATUS 0x5E /* Makes the code more readable this way */
	#define INTSTAT_CMD_IN_PROGRESS (1<<12)
	#define INTSTAT_SRB (1<<14)
	#define INTSTAT_INTLATCH (1<<0)

	/* Indication / Interrupt Mask
	* Annoyingly the bits to be set in the indication and interrupt enable
	* do not match with the actual bits received in the interrupt, although
	* they are in the same order.
	* The mapping for the indication / interrupt are:
	* Bit Indication / Interrupt
	* 0 HostError
	* 1 txcomplete
	* 2 updneeded
	* 3 rxcomplete
	* 4 intrequested
	* 5 macerror
	* 6 dncomplete
	* 7 upcomplete
	* 8 txunderrun
	* 9 asbf
	* 10 srbr
	* 11 arbc
	*
	* The only ones we don't want to receive are txcomplete and rxcomplete
	* we use dncomplete and upcomplete instead.
	*/

	#define INT_MASK 0xFF5

	/* Note the subtle difference here, IND and INT */

	#define SETINDENABLE (8<<12)
	#define SETINTENABLE (7<<12)
	#define SRBBIT (1<<10)
	#define ASBBIT (1<<9)
	#define ARBBIT (1<<11)

	#define SRB 0xDFE90
	#define ASB 0xDFED0
	#define ARB 0xD0000
	#define SCRATCH 0xDFEF0

	#define INT_REQUEST 0x6000 /* (6 << 12) */
	#define ACK_INTERRUPT 0x6800 /* (13 <<11) */
	#define GLOBAL_RESET 0x00
	#define DNDISABLE 0x5000
	#define DNENABLE 0x4800
	#define DNSTALL 0x3002
	#define DNRESET 0x5800
	#define DNUNSTALL 0x3003
	#define UPRESET 0x2800
	#define UPSTALL 0x3000
	#define UPUNSTALL 0x3001
	#define SETCONFIG 0x4000
	#define SETTXSTARTTHRESH 0x9800

	/* Received Interrupts */
	#define ASBFINT (1<<13)
	#define SRBRINT (1<<14)
	#define ARBCINT (1<<15)
	#define TXUNDERRUN (1<<11)

	#define UPCOMPINT (1<<10)
	#define DNCOMPINT (1<<9)
	#define HARDERRINT (1<<7)
	#define RXCOMPLETE (1<<4)
	#define TXCOMPINT (1<<2)
	#define HOSTERRINT (1<<1)

	/* Receive descriptor bits */
	#define RXOVERRUN cpu_to_le32(1<<19)
	#define RXFC cpu_to_le32(1<<21)
	#define RXAR cpu_to_le32(1<<22)
	#define RXUPDCOMPLETE cpu_to_le32(1<<23)
	#define RXUPDFULL cpu_to_le32(1<<24)
	#define RXUPLASTFRAG cpu_to_le32(1<<31)

	/* Transmit descriptor bits */
	#define TXDNCOMPLETE cpu_to_le32(1<<16)
	#define TXTXINDICATE cpu_to_le32(1<<27)
	#define TXDPDEMPTY cpu_to_le32(1<<29)
	#define TXDNINDICATE cpu_to_le32(1<<31)
	#define TXDNFRAGLAST cpu_to_le32(1<<31)

	/* Interrupts to Acknowledge */
	#define LATCH_ACK 1
	#define TXCOMPACK (1<<1)
	#define INTREQACK (1<<2)
	#define DNCOMPACK (1<<3)
	#define UPCOMPACK (1<<4)
	#define ASBFACK (1<<5)
	#define SRBRACK (1<<6)
	#define ARBCACK (1<<7)

	#define XL_IO_SPACE 128
	#define SRB_COMMAND_SIZE 50

	/* Adapter Commands */
	#define REQUEST_INT 0x00
	#define MODIFY_OPEN_PARMS 0x01
	#define RESTORE_OPEN_PARMS 0x02
	#define OPEN_NIC 0x03
	#define CLOSE_NIC 0x04
	#define SET_SLEEP_MODE 0x05
	#define SET_GROUP_ADDRESS 0x06
	#define SET_FUNC_ADDRESS 0x07
	#define READ_LOG 0x08
	#define SET_MULTICAST_MODE 0x0C
	#define CHANGE_WAKEUP_PATTERN 0x0D
	#define GET_STATISTICS 0x13
	#define SET_RECEIVE_MODE 0x1F

	/* ARB Commands */
	#define RECEIVE_DATA 0x81
	#define RING_STATUS_CHANGE 0x84

	/* ASB Commands */
	#define ASB_RECEIVE_DATE 0x81

	/* Defines for LAN STATUS CHANGE reports */
	#define LSC_SIG_LOSS 0x8000
	#define LSC_HARD_ERR 0x4000
	#define LSC_SOFT_ERR 0x2000
	#define LSC_TRAN_BCN 0x1000
	#define LSC_LWF 0x0800
	#define LSC_ARW 0x0400
	#define LSC_FPE 0x0200
	#define LSC_RR 0x0100
	#define LSC_CO 0x0080
	#define LSC_SS 0x0040
	#define LSC_RING_REC 0x0020
	#define LSC_SR_CO 0x0010
	#define LSC_FDX_MODE 0x0004

	#define XL_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */

	/* 3c359 defaults for buffers */

	#define XL_RX_RING_SIZE 16 /* must be a power of 2 */
	#define XL_TX_RING_SIZE 16 /* must be a power of 2 */

	#define PKT_BUF_SZ 4096 /* Default packet size */

	/* 3c359 data structures */

	struct xl_tx_desc {
	__le32 dnnextptr;
	__le32 framestartheader;
	__le32 buffer;
	__le32 buffer_length;
	};

	struct xl_rx_desc {
	__le32 upnextptr;
	__le32 framestatus;
	__le32 upfragaddr;
	__le32 upfraglen;
	};

	struct xl_private {


	/* These two structures must be aligned on 8 byte boundaries */

	/* struct xl_rx_desc xl_rx_ring[XL_RX_RING_SIZE]; */
	/* struct xl_tx_desc xl_tx_ring[XL_TX_RING_SIZE]; */
	struct xl_rx_desc *xl_rx_ring ;
	struct xl_tx_desc *xl_tx_ring ;
	struct sk_buff tx_ring_skb[XL_TX_RING_SIZE], rx_ring_skb[XL_RX_RING_SIZE];
	int tx_ring_head, tx_ring_tail ;
	int rx_ring_tail, rx_ring_no ;
	int free_ring_entries ;

	u16 srb;
	u16 arb;
	u16 asb;

	u8 __iomem *xl_mmio;
	const char *xl_card_name;
	struct pci_dev *pdev ;

	spinlock_t xl_lock ;

	volatile int srb_queued;
	struct wait_queue *srb_wait;
	volatile int asb_queued;

	u16 mac_buffer ;
	u16 xl_lan_status ;
	u8 xl_ring_speed ;
	u16 pkt_buf_sz ;
	u8 xl_message_level;
	u16 xl_copy_all_options ;
	unsigned char xl_functional_addr[4] ;
	u16 xl_addr_table_addr, xl_parms_addr ;
	u8 xl_laa[6] ;
	u32 rx_ring_dma_addr ;
	u32 tx_ring_dma_addr ;

	/* firmware section */
	const struct firmware *fw;
	};