From 6eeba125a476a96e6baf4b1f93e2e9a14b80265a Mon Sep 17 00:00:00 2001 From: yongari Date: Tue, 11 Mar 2008 03:53:53 +0000 Subject: vr(4) was repocopied to src/sys/dev/vr. --- sys/pci/if_vrreg.h | 520 ----------------------------------------------------- 1 file changed, 520 deletions(-) delete mode 100644 sys/pci/if_vrreg.h (limited to 'sys/pci/if_vrreg.h') diff --git a/sys/pci/if_vrreg.h b/sys/pci/if_vrreg.h deleted file mode 100644 index d1073bd..0000000 --- a/sys/pci/if_vrreg.h +++ /dev/null @@ -1,520 +0,0 @@ -/*- - * Copyright (c) 1997, 1998 - * Bill Paul . All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by Bill Paul. - * 4. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - * - * $FreeBSD$ - */ - -/* - * Rhine register definitions. - */ - -#define VR_PAR0 0x00 /* node address 0 to 4 */ -#define VR_PAR1 0x04 /* node address 2 to 6 */ -#define VR_RXCFG 0x06 /* receiver config register */ -#define VR_TXCFG 0x07 /* transmit config register */ -#define VR_COMMAND 0x08 /* command register */ -#define VR_ISR 0x0C /* interrupt/status register */ -#define VR_IMR 0x0E /* interrupt mask register */ -#define VR_MAR0 0x10 /* multicast hash 0 */ -#define VR_MAR1 0x14 /* multicast hash 1 */ -#define VR_RXADDR 0x18 /* rx descriptor list start addr */ -#define VR_TXADDR 0x1C /* tx descriptor list start addr */ -#define VR_CURRXDESC0 0x20 -#define VR_CURRXDESC1 0x24 -#define VR_CURRXDESC2 0x28 -#define VR_CURRXDESC3 0x2C -#define VR_NEXTRXDESC0 0x30 -#define VR_NEXTRXDESC1 0x34 -#define VR_NEXTRXDESC2 0x38 -#define VR_NEXTRXDESC3 0x3C -#define VR_CURTXDESC0 0x40 -#define VR_CURTXDESC1 0x44 -#define VR_CURTXDESC2 0x48 -#define VR_CURTXDESC3 0x4C -#define VR_NEXTTXDESC0 0x50 -#define VR_NEXTTXDESC1 0x54 -#define VR_NEXTTXDESC2 0x58 -#define VR_NEXTTXDESC3 0x5C -#define VR_CURRXDMA 0x60 /* current RX DMA address */ -#define VR_CURTXDMA 0x64 /* current TX DMA address */ -#define VR_TALLYCNT 0x68 /* tally counter test register */ -#define VR_PHYADDR 0x6C -#define VR_MIISTAT 0x6D -#define VR_BCR0 0x6E -#define VR_BCR1 0x6F -#define VR_MIICMD 0x70 -#define VR_MIIADDR 0x71 -#define VR_MIIDATA 0x72 -#define VR_EECSR 0x74 -#define VR_TEST 0x75 -#define VR_GPIO 0x76 -#define VR_CONFIG 0x78 -#define VR_MPA_CNT 0x7C -#define VR_CRC_CNT 0x7E -#define VR_STICKHW 0x83 - -/* Misc Registers */ -#define VR_MISC_CR1 0x81 -#define VR_MISCCR1_FORSRST 0x40 - -/* - * RX config bits. - */ -#define VR_RXCFG_RX_ERRPKTS 0x01 -#define VR_RXCFG_RX_RUNT 0x02 -#define VR_RXCFG_RX_MULTI 0x04 -#define VR_RXCFG_RX_BROAD 0x08 -#define VR_RXCFG_RX_PROMISC 0x10 -#define VR_RXCFG_RX_THRESH 0xE0 - -#define VR_RXTHRESH_32BYTES 0x00 -#define VR_RXTHRESH_64BYTES 0x20 -#define VR_RXTHRESH_128BYTES 0x40 -#define VR_RXTHRESH_256BYTES 0x60 -#define VR_RXTHRESH_512BYTES 0x80 -#define VR_RXTHRESH_768BYTES 0xA0 -#define VR_RXTHRESH_1024BYTES 0xC0 -#define VR_RXTHRESH_STORENFWD 0xE0 - -/* - * TX config bits. - */ -#define VR_TXCFG_RSVD0 0x01 -#define VR_TXCFG_LOOPBKMODE 0x06 -#define VR_TXCFG_BACKOFF 0x08 -#define VR_TXCFG_RSVD1 0x10 -#define VR_TXCFG_TX_THRESH 0xE0 - -#define VR_TXTHRESH_32BYTES 0x00 -#define VR_TXTHRESH_64BYTES 0x20 -#define VR_TXTHRESH_128BYTES 0x40 -#define VR_TXTHRESH_256BYTES 0x60 -#define VR_TXTHRESH_512BYTES 0x80 -#define VR_TXTHRESH_768BYTES 0xA0 -#define VR_TXTHRESH_1024BYTES 0xC0 -#define VR_TXTHRESH_STORENFWD 0xE0 - -/* - * Command register bits. - */ -#define VR_CMD_INIT 0x0001 -#define VR_CMD_START 0x0002 -#define VR_CMD_STOP 0x0004 -#define VR_CMD_RX_ON 0x0008 -#define VR_CMD_TX_ON 0x0010 -#define VR_CMD_TX_GO 0x0020 -#define VR_CMD_RX_GO 0x0040 -#define VR_CMD_RSVD 0x0080 -#define VR_CMD_RX_EARLY 0x0100 -#define VR_CMD_TX_EARLY 0x0200 -#define VR_CMD_FULLDUPLEX 0x0400 -#define VR_CMD_TX_NOPOLL 0x0800 - -#define VR_CMD_RESET 0x8000 - -/* - * Interrupt status bits. - */ -#define VR_ISR_RX_OK 0x0001 /* packet rx ok */ -#define VR_ISR_TX_OK 0x0002 /* packet tx ok */ -#define VR_ISR_RX_ERR 0x0004 /* packet rx with err */ -#define VR_ISR_TX_ABRT 0x0008 /* tx aborted due to excess colls */ -#define VR_ISR_TX_UNDERRUN 0x0010 /* tx buffer underflow */ -#define VR_ISR_RX_NOBUF 0x0020 /* no rx buffer available */ -#define VR_ISR_BUSERR 0x0040 /* PCI bus error */ -#define VR_ISR_STATSOFLOW 0x0080 /* stats counter oflow */ -#define VR_ISR_RX_EARLY 0x0100 /* rx early */ -#define VR_ISR_LINKSTAT 0x0200 /* MII status change */ -#define VR_ISR_ETI 0x0200 /* Tx early (3043/3071) */ -#define VR_ISR_UDFI 0x0200 /* Tx FIFO underflow (3065) */ -#define VR_ISR_RX_OFLOW 0x0400 /* rx FIFO overflow */ -#define VR_ISR_RX_DROPPED 0x0800 -#define VR_ISR_RX_NOBUF2 0x1000 -#define VR_ISR_TX_ABRT2 0x2000 -#define VR_ISR_LINKSTAT2 0x4000 -#define VR_ISR_MAGICPACKET 0x8000 - -/* - * Interrupt mask bits. - */ -#define VR_IMR_RX_OK 0x0001 /* packet rx ok */ -#define VR_IMR_TX_OK 0x0002 /* packet tx ok */ -#define VR_IMR_RX_ERR 0x0004 /* packet rx with err */ -#define VR_IMR_TX_ABRT 0x0008 /* tx aborted due to excess colls */ -#define VR_IMR_TX_UNDERRUN 0x0010 /* tx buffer underflow */ -#define VR_IMR_RX_NOBUF 0x0020 /* no rx buffer available */ -#define VR_IMR_BUSERR 0x0040 /* PCI bus error */ -#define VR_IMR_STATSOFLOW 0x0080 /* stats counter oflow */ -#define VR_IMR_RX_EARLY 0x0100 /* rx early */ -#define VR_IMR_LINKSTAT 0x0200 /* MII status change */ -#define VR_IMR_RX_OFLOW 0x0400 /* rx FIFO overflow */ -#define VR_IMR_RX_DROPPED 0x0800 -#define VR_IMR_RX_NOBUF2 0x1000 -#define VR_IMR_TX_ABRT2 0x2000 -#define VR_IMR_LINKSTAT2 0x4000 -#define VR_IMR_MAGICPACKET 0x8000 - -#define VR_INTRS \ - (VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF| \ - VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR| \ - VR_IMR_RX_ERR|VR_ISR_RX_DROPPED) - -/* - * MII status register. - */ - -#define VR_MIISTAT_SPEED 0x01 -#define VR_MIISTAT_LINKFAULT 0x02 -#define VR_MIISTAT_MGTREADERR 0x04 -#define VR_MIISTAT_MIIERR 0x08 -#define VR_MIISTAT_PHYOPT 0x10 -#define VR_MIISTAT_MDC_SPEED 0x20 -#define VR_MIISTAT_RSVD 0x40 -#define VR_MIISTAT_GPIO1POLL 0x80 - -/* - * MII command register bits. - */ -#define VR_MIICMD_CLK 0x01 -#define VR_MIICMD_DATAOUT 0x02 -#define VR_MIICMD_DATAIN 0x04 -#define VR_MIICMD_DIR 0x08 -#define VR_MIICMD_DIRECTPGM 0x10 -#define VR_MIICMD_WRITE_ENB 0x20 -#define VR_MIICMD_READ_ENB 0x40 -#define VR_MIICMD_AUTOPOLL 0x80 - -/* - * EEPROM control bits. - */ -#define VR_EECSR_DATAIN 0x01 /* data out */ -#define VR_EECSR_DATAOUT 0x02 /* data in */ -#define VR_EECSR_CLK 0x04 /* clock */ -#define VR_EECSR_CS 0x08 /* chip select */ -#define VR_EECSR_DPM 0x10 -#define VR_EECSR_LOAD 0x20 -#define VR_EECSR_EMBP 0x40 -#define VR_EECSR_EEPR 0x80 - -#define VR_EECMD_WRITE 0x140 -#define VR_EECMD_READ 0x180 -#define VR_EECMD_ERASE 0x1c0 - -/* - * Test register bits. - */ -#define VR_TEST_TEST0 0x01 -#define VR_TEST_TEST1 0x02 -#define VR_TEST_TEST2 0x04 -#define VR_TEST_TSTUD 0x08 -#define VR_TEST_TSTOV 0x10 -#define VR_TEST_BKOFF 0x20 -#define VR_TEST_FCOL 0x40 -#define VR_TEST_HBDES 0x80 - -/* - * Config register bits. - */ -#define VR_CFG_GPIO2OUTENB 0x00000001 -#define VR_CFG_GPIO2OUT 0x00000002 /* gen. purp. pin */ -#define VR_CFG_GPIO2IN 0x00000004 /* gen. purp. pin */ -#define VR_CFG_AUTOOPT 0x00000008 /* enable rx/tx autopoll */ -#define VR_CFG_MIIOPT 0x00000010 -#define VR_CFG_MMIENB 0x00000020 /* memory mapped mode enb */ -#define VR_CFG_JUMPER 0x00000040 /* PHY and oper. mode select */ -#define VR_CFG_EELOAD 0x00000080 /* enable EEPROM programming */ -#define VR_CFG_LATMENB 0x00000100 /* larency timer effect enb. */ -#define VR_CFG_MRREADWAIT 0x00000200 -#define VR_CFG_MRWRITEWAIT 0x00000400 -#define VR_CFG_RX_ARB 0x00000800 -#define VR_CFG_TX_ARB 0x00001000 -#define VR_CFG_READMULTI 0x00002000 -#define VR_CFG_TX_PACE 0x00004000 -#define VR_CFG_TX_QDIS 0x00008000 -#define VR_CFG_ROMSEL0 0x00010000 -#define VR_CFG_ROMSEL1 0x00020000 -#define VR_CFG_ROMSEL2 0x00040000 -#define VR_CFG_ROMTIMESEL 0x00080000 -#define VR_CFG_RSVD0 0x00100000 -#define VR_CFG_ROMDLY 0x00200000 -#define VR_CFG_ROMOPT 0x00400000 -#define VR_CFG_RSVD1 0x00800000 -#define VR_CFG_BACKOFFOPT 0x01000000 -#define VR_CFG_BACKOFFMOD 0x02000000 -#define VR_CFG_CAPEFFECT 0x04000000 -#define VR_CFG_BACKOFFRAND 0x08000000 -#define VR_CFG_MAGICKPACKET 0x10000000 -#define VR_CFG_PCIREADLINE 0x20000000 -#define VR_CFG_DIAG 0x40000000 -#define VR_CFG_GPIOEN 0x80000000 - -/* Sticky HW bits */ -#define VR_STICKHW_DS0 0x01 -#define VR_STICKHW_DS1 0x02 -#define VR_STICKHW_WOL_ENB 0x04 -#define VR_STICKHW_WOL_STS 0x08 -#define VR_STICKHW_LEGWOL_ENB 0x80 - -/* - * BCR0 register bits. (At least for the VT6102 chip.) - */ -#define VR_BCR0_DMA_LENGTH 0x07 - -#define VR_BCR0_DMA_32BYTES 0x00 -#define VR_BCR0_DMA_64BYTES 0x01 -#define VR_BCR0_DMA_128BYTES 0x02 -#define VR_BCR0_DMA_256BYTES 0x03 -#define VR_BCR0_DMA_512BYTES 0x04 -#define VR_BCR0_DMA_1024BYTES 0x05 -#define VR_BCR0_DMA_STORENFWD 0x07 - -#define VR_BCR0_RX_THRESH 0x38 - -#define VR_BCR0_RXTHRESHCFG 0x00 -#define VR_BCR0_RXTHRESH64BYTES 0x08 -#define VR_BCR0_RXTHRESH128BYTES 0x10 -#define VR_BCR0_RXTHRESH256BYTES 0x18 -#define VR_BCR0_RXTHRESH512BYTES 0x20 -#define VR_BCR0_RXTHRESH1024BYTES 0x28 -#define VR_BCR0_RXTHRESHSTORENFWD 0x38 -#define VR_BCR0_EXTLED 0x40 -#define VR_BCR0_MED2 0x80 - -/* - * BCR1 register bits. (At least for the VT6102 chip.) - */ -#define VR_BCR1_POT0 0x01 -#define VR_BCR1_POT1 0x02 -#define VR_BCR1_POT2 0x04 -#define VR_BCR1_TX_THRESH 0x38 -#define VR_BCR1_TXTHRESHCFG 0x00 -#define VR_BCR1_TXTHRESH64BYTES 0x08 -#define VR_BCR1_TXTHRESH128BYTES 0x10 -#define VR_BCR1_TXTHRESH256BYTES 0x18 -#define VR_BCR1_TXTHRESH512BYTES 0x20 -#define VR_BCR1_TXTHRESH1024BYTES 0x28 -#define VR_BCR1_TXTHRESHSTORENFWD 0x38 - -/* - * Rhine TX/RX list structure. - */ - -struct vr_desc { - u_int32_t vr_status; - u_int32_t vr_ctl; - u_int32_t vr_data; - u_int32_t vr_nextphys; - struct mbuf *vr_mbuf; - struct vr_desc *vr_next; - u_int32_t *vxr1; - u_int32_t *vxr2; -}; - - -#define VR_RXSTAT_RXERR 0x00000001 -#define VR_RXSTAT_CRCERR 0x00000002 -#define VR_RXSTAT_FRAMEALIGNERR 0x00000004 -#define VR_RXSTAT_FIFOOFLOW 0x00000008 -#define VR_RXSTAT_GIANT 0x00000010 -#define VR_RXSTAT_RUNT 0x00000020 -#define VR_RXSTAT_BUSERR 0x00000040 -#define VR_RXSTAT_BUFFERR 0x00000080 -#define VR_RXSTAT_LASTFRAG 0x00000100 -#define VR_RXSTAT_FIRSTFRAG 0x00000200 -#define VR_RXSTAT_RLINK 0x00000400 -#define VR_RXSTAT_RX_PHYS 0x00000800 -#define VR_RXSTAT_RX_BROAD 0x00001000 -#define VR_RXSTAT_RX_MULTI 0x00002000 -#define VR_RXSTAT_RX_OK 0x00004000 -#define VR_RXSTAT_RXLEN 0x07FF0000 -#define VR_RXSTAT_RXLEN_EXT 0x78000000 -#define VR_RXSTAT_OWN 0x80000000 - -#define VR_RXBYTES(x) ((x & VR_RXSTAT_RXLEN) >> 16) -#define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN) - -#define VR_RXCTL_BUFLEN 0x000007FF -#define VR_RXCTL_BUFLEN_EXT 0x00007800 -#define VR_RXCTL_CHAIN 0x00008000 -#define VR_RXCTL_RX_INTR 0x00800000 -#define VR_RXCTL_GOODIP 0x00280000 -#define VR_RXCTL_GOODTCPUDP 0x00100000 - -#define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR) - -#define VR_TXSTAT_DEFER 0x00000001 -#define VR_TXSTAT_UNDERRUN 0x00000002 -#define VR_TXSTAT_COLLCNT 0x00000078 -#define VR_TXSTAT_SQE 0x00000080 -#define VR_TXSTAT_ABRT 0x00000100 -#define VR_TXSTAT_LATECOLL 0x00000200 -#define VR_TXSTAT_CARRLOST 0x00000400 -#define VR_TXSTAT_UDF 0x00000800 -#define VR_TXSTAT_BUSERR 0x00002000 -#define VR_TXSTAT_JABTIMEO 0x00004000 -#define VR_TXSTAT_ERRSUM 0x00008000 -#define VR_TXSTAT_OWN 0x80000000 - -#define VR_TXCTL_BUFLEN 0x000007FF -#define VR_TXCTL_BUFLEN_EXT 0x00007800 -#define VR_TXCTL_TLINK 0x00008000 -#define VR_TXCTL_NOCRC 0x00010000 -#define VR_TXCTL_INSERTTAG 0x00020000 -#define VR_TXCTL_IPCSUM 0x00040000 -#define VR_TXCTL_UDPCSUM 0x00080000 -#define VR_TXCTL_TCPCSUM 0x00100000 -#define VR_TXCTL_FIRSTFRAG 0x00200000 -#define VR_TXCTL_LASTFRAG 0x00400000 -#define VR_TXCTL_FINT 0x00800000 - - -#define VR_MAXFRAGS 16 -#define VR_RX_LIST_CNT 256 -#define VR_TX_LIST_CNT 256 -#define VR_MIN_FRAMELEN 60 -#define VR_FRAMELEN 1536 -#define VR_RXLEN 1524 - -struct vr_mii_frame { - u_int8_t mii_stdelim; - u_int8_t mii_opcode; - u_int8_t mii_phyaddr; - u_int8_t mii_regaddr; - u_int8_t mii_turnaround; - u_int16_t mii_data; -}; - -/* - * MII constants - */ -#define VR_MII_STARTDELIM 0x01 -#define VR_MII_READOP 0x02 -#define VR_MII_WRITEOP 0x01 -#define VR_MII_TURNAROUND 0x02 - -#define VR_FLAG_FORCEDELAY 1 -#define VR_FLAG_SCHEDDELAY 2 -#define VR_FLAG_DELAYTIMEO 3 - - -#define VR_TIMEOUT 1000 -#define ETHER_ALIGN 2 - -/* - * General constants that are fun to know. - * - * VIA vendor ID - */ -#define VIA_VENDORID 0x1106 - -/* - * VIA Rhine device IDs. - */ -#define VIA_DEVICEID_RHINE 0x3043 -#define VIA_DEVICEID_RHINE_II 0x6100 -#define VIA_DEVICEID_RHINE_II_2 0x3065 -#define VIA_DEVICEID_RHINE_III 0x3106 -#define VIA_DEVICEID_RHINE_III_M 0x3053 - -/* - * Delta Electronics device ID. - */ -#define DELTA_VENDORID 0x1500 - -/* - * Delta device IDs. - */ -#define DELTA_DEVICEID_RHINE_II 0x1320 - -/* - * Addtron vendor ID. - */ -#define ADDTRON_VENDORID 0x4033 - -/* - * Addtron device IDs. - */ -#define ADDTRON_DEVICEID_RHINE_II 0x1320 - -/* - * VIA Rhine revision IDs - */ - -#define REV_ID_VT3043_E 0x04 -#define REV_ID_VT3071_A 0x20 -#define REV_ID_VT3071_B 0x21 -#define REV_ID_VT3065_A 0x40 -#define REV_ID_VT3065_B 0x41 -#define REV_ID_VT3065_C 0x42 -#define REV_ID_VT6102_APOLLO 0x74 -#define REV_ID_VT3106 0x80 -#define REV_ID_VT3106_J 0x80 /* 0x80-0x8F */ -#define REV_ID_VT3106_S 0x90 /* 0x90-0xA0 */ - -/* - * PCI low memory base and low I/O base register, and - * other PCI registers. - */ - -#define VR_PCI_VENDOR_ID 0x00 -#define VR_PCI_DEVICE_ID 0x02 -#define VR_PCI_COMMAND 0x04 -#define VR_PCI_STATUS 0x06 -#define VR_PCI_REVID 0x08 -#define VR_PCI_CLASSCODE 0x09 -#define VR_PCI_LATENCY_TIMER 0x0D -#define VR_PCI_HEADER_TYPE 0x0E -#define VR_PCI_LOIO 0x10 -#define VR_PCI_LOMEM 0x14 -#define VR_PCI_BIOSROM 0x30 -#define VR_PCI_INTLINE 0x3C -#define VR_PCI_INTPIN 0x3D -#define VR_PCI_MINGNT 0x3E -#define VR_PCI_MINLAT 0x0F -#define VR_PCI_RESETOPT 0x48 -#define VR_PCI_EEPROM_DATA 0x4C -#define VR_PCI_MODE 0x50 - -#define VR_MODE3_MIION 0x04 - -/* power management registers */ -#define VR_PCI_CAPID 0xDC /* 8 bits */ -#define VR_PCI_NEXTPTR 0xDD /* 8 bits */ -#define VR_PCI_PWRMGMTCAP 0xDE /* 16 bits */ -#define VR_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */ - -#define VR_PSTATE_MASK 0x0003 -#define VR_PSTATE_D0 0x0000 -#define VR_PSTATE_D1 0x0002 -#define VR_PSTATE_D2 0x0002 -#define VR_PSTATE_D3 0x0003 -#define VR_PME_EN 0x0010 -#define VR_PME_STATUS 0x8000 -- cgit v1.1