/* * Definitions for the SGI MACE (Multimedia, Audio and Communications Engine) * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2000 Harald Koerfgen * Copyright (C) 2004 Ladislav Michl */ #ifndef __ASM_MACE_H__ #define __ASM_MACE_H__ /* * Address map */ #define MACE_BASE 0x1f000000 /* physical */ #undef BIT #define BIT(x) (1UL << (x)) /* * PCI interface */ struct mace_pci { volatile unsigned int error_addr; volatile unsigned int error; #define MACEPCI_ERROR_MASTER_ABORT BIT(31) #define MACEPCI_ERROR_TARGET_ABORT BIT(30) #define MACEPCI_ERROR_DATA_PARITY_ERR BIT(29) #define MACEPCI_ERROR_RETRY_ERR BIT(28) #define MACEPCI_ERROR_ILLEGAL_CMD BIT(27) #define MACEPCI_ERROR_SYSTEM_ERR BIT(26) #define MACEPCI_ERROR_INTERRUPT_TEST BIT(25) #define MACEPCI_ERROR_PARITY_ERR BIT(24) #define MACEPCI_ERROR_OVERRUN BIT(23) #define MACEPCI_ERROR_RSVD BIT(22) #define MACEPCI_ERROR_MEMORY_ADDR BIT(21) #define MACEPCI_ERROR_CONFIG_ADDR BIT(20) #define MACEPCI_ERROR_MASTER_ABORT_ADDR_VALID BIT(19) #define MACEPCI_ERROR_TARGET_ABORT_ADDR_VALID BIT(18) #define MACEPCI_ERROR_DATA_PARITY_ADDR_VALID BIT(17) #define MACEPCI_ERROR_RETRY_ADDR_VALID BIT(16) #define MACEPCI_ERROR_SIG_TABORT BIT(4) #define MACEPCI_ERROR_DEVSEL_MASK 0xc0 #define MACEPCI_ERROR_DEVSEL_FAST 0 #define MACEPCI_ERROR_DEVSEL_MED 0x40 #define MACEPCI_ERROR_DEVSEL_SLOW 0x80 #define MACEPCI_ERROR_FBB BIT(1) #define MACEPCI_ERROR_66MHZ BIT(0) volatile unsigned int control; #define MACEPCI_CONTROL_INT(x) BIT(x) #define MACEPCI_CONTROL_INT_MASK 0xff #define MACEPCI_CONTROL_SERR_ENA BIT(8) #define MACEPCI_CONTROL_ARB_N6 BIT(9) #define MACEPCI_CONTROL_PARITY_ERR BIT(10) #define MACEPCI_CONTROL_MRMRA_ENA BIT(11) #define MACEPCI_CONTROL_ARB_N3 BIT(12) #define MACEPCI_CONTROL_ARB_N4 BIT(13) #define MACEPCI_CONTROL_ARB_N5 BIT(14) #define MACEPCI_CONTROL_PARK_LIU BIT(15) #define MACEPCI_CONTROL_INV_INT(x) BIT(16+x) #define MACEPCI_CONTROL_INV_INT_MASK 0x00ff0000 #define MACEPCI_CONTROL_OVERRUN_INT BIT(24) #define MACEPCI_CONTROL_PARITY_INT BIT(25) #define MACEPCI_CONTROL_SERR_INT BIT(26) #define MACEPCI_CONTROL_IT_INT BIT(27) #define MACEPCI_CONTROL_RE_INT BIT(28) #define MACEPCI_CONTROL_DPED_INT BIT(29) #define MACEPCI_CONTROL_TAR_INT BIT(30) #define MACEPCI_CONTROL_MAR_INT BIT(31) volatile unsigned int rev; unsigned int _pad[0xcf8/4 - 4]; volatile unsigned int config_addr; union { volatile unsigned char b[4]; volatile unsigned short w[2]; volatile unsigned int l; } config_data; }; #define MACEPCI_LOW_MEMORY 0x1a000000 #define MACEPCI_LOW_IO 0x18000000 #define MACEPCI_SWAPPED_VIEW 0 #define MACEPCI_NATIVE_VIEW 0x40000000 #define MACEPCI_IO 0x80000000 #define MACEPCI_HI_MEMORY 0x280000000 #define MACEPCI_HI_IO 0x100000000 /* * Video interface */ struct mace_video { unsigned long xxx; /* later... */ }; /* * Ethernet interface */ struct mace_ethernet { volatile unsigned long mac_ctrl; volatile unsigned long int_stat; volatile unsigned long dma_ctrl; volatile unsigned long timer; volatile unsigned long tx_int_al; volatile unsigned long rx_int_al; volatile unsigned long tx_info; volatile unsigned long tx_info_al; volatile unsigned long rx_buff; volatile unsigned long rx_buff_al1; volatile unsigned long rx_buff_al2; volatile unsigned long diag; volatile unsigned long phy_data; volatile unsigned long phy_regs; volatile unsigned long phy_trans_go; volatile unsigned long backoff_seed; /*===================================*/ volatile unsigned long imq_reserved[4]; volatile unsigned long mac_addr; volatile unsigned long mac_addr2; volatile unsigned long mcast_filter; volatile unsigned long tx_ring_base; /* Following are read-only registers for debugging */ volatile unsigned long tx_pkt1_hdr; volatile unsigned long tx_pkt1_ptr[3]; volatile unsigned long tx_pkt2_hdr; volatile unsigned long tx_pkt2_ptr[3]; /*===================================*/ volatile unsigned long rx_fifo; }; /* * Peripherals */ /* Audio registers */ struct mace_audio { volatile unsigned long control; volatile unsigned long codec_control; /* codec status control */ volatile unsigned long codec_mask; /* codec status input mask */ volatile unsigned long codec_read; /* codec status read data */ struct { volatile unsigned long control; /* channel control */ volatile unsigned long read_ptr; /* channel read pointer */ volatile unsigned long write_ptr; /* channel write pointer */ volatile unsigned long depth; /* channel depth */ } chan[3]; }; /* register definitions for parallel port DMA */ struct mace_parport { /* 0 - do nothing, * 1 - pulse terminal count to the device after buffer is drained */ #define MACEPAR_CONTEXT_LASTFLAG BIT(63) /* Should not cross 4K page boundary */ #define MACEPAR_CONTEXT_DATA_BOUND 0x0000000000001000UL #define MACEPAR_CONTEXT_DATALEN_MASK 0x00000fff00000000UL #define MACEPAR_CONTEXT_DATALEN_SHIFT 32 /* Can be arbitrarily aligned on any byte boundary on output, * 64 byte aligned on input */ #define MACEPAR_CONTEXT_BASEADDR_MASK 0x00000000ffffffffUL volatile u64 context_a; volatile u64 context_b; /* 0 - mem->device, 1 - device->mem */ #define MACEPAR_CTLSTAT_DIRECTION BIT(0) /* 0 - channel frozen, 1 - channel enabled */ #define MACEPAR_CTLSTAT_ENABLE BIT(1) /* 0 - channel active, 1 - complete channel reset */ #define MACEPAR_CTLSTAT_RESET BIT(2) #define MACEPAR_CTLSTAT_CTXB_VALID BIT(3) #define MACEPAR_CTLSTAT_CTXA_VALID BIT(4) volatile u64 cntlstat; /* Control/Status register */ #define MACEPAR_DIAG_CTXINUSE BIT(0) /* 1 - Dma engine is enabled and processing something */ #define MACEPAR_DIAG_DMACTIVE BIT(1) /* Counter of bytes left */ #define MACEPAR_DIAG_CTRMASK 0x0000000000003ffcUL #define MACEPAR_DIAG_CTRSHIFT 2 volatile u64 diagnostic; /* RO: diagnostic register */ }; /* ISA Control and DMA registers */ struct mace_isactrl { volatile unsigned long ringbase; #define MACEISA_RINGBUFFERS_SIZE (8 * 4096) volatile unsigned long misc; #define MACEISA_FLASH_WE BIT(0) /* 1=> Enable FLASH writes */ #define MACEISA_PWD_CLEAR BIT(1) /* 1=> PWD CLEAR jumper detected */ #define MACEISA_NIC_DEASSERT BIT(2) #define MACEISA_NIC_DATA BIT(3) #define MACEISA_LED_RED BIT(4) /* 0=> Illuminate red LED */ #define MACEISA_LED_GREEN BIT(5) /* 0=> Illuminate green LED */ #define MACEISA_DP_RAM_ENABLE BIT(6) volatile unsigned long istat; volatile unsigned long imask; #define MACEISA_AUDIO_SW_INT BIT(0) #define MACEISA_AUDIO_SC_INT BIT(1) #define MACEISA_AUDIO1_DMAT_INT BIT(2) #define MACEISA_AUDIO1_OF_INT BIT(3) #define MACEISA_AUDIO2_DMAT_INT BIT(4) #define MACEISA_AUDIO2_MERR_INT BIT(5) #define MACEISA_AUDIO3_DMAT_INT BIT(6) #define MACEISA_AUDIO3_MERR_INT BIT(7) #define MACEISA_RTC_INT BIT(8) #define MACEISA_KEYB_INT BIT(9) #define MACEISA_KEYB_POLL_INT BIT(10) #define MACEISA_MOUSE_INT BIT(11) #define MACEISA_MOUSE_POLL_INT BIT(12) #define MACEISA_TIMER0_INT BIT(13) #define MACEISA_TIMER1_INT BIT(14) #define MACEISA_TIMER2_INT BIT(15) #define MACEISA_PARALLEL_INT BIT(16) #define MACEISA_PAR_CTXA_INT BIT(17) #define MACEISA_PAR_CTXB_INT BIT(18) #define MACEISA_PAR_MERR_INT BIT(19) #define MACEISA_SERIAL1_INT BIT(20) #define MACEISA_SERIAL1_TDMAT_INT BIT(21) #define MACEISA_SERIAL1_TDMAPR_INT BIT(22) #define MACEISA_SERIAL1_TDMAME_INT BIT(23) #define MACEISA_SERIAL1_RDMAT_INT BIT(24) #define MACEISA_SERIAL1_RDMAOR_INT BIT(25) #define MACEISA_SERIAL2_INT BIT(26) #define MACEISA_SERIAL2_TDMAT_INT BIT(27) #define MACEISA_SERIAL2_TDMAPR_INT BIT(28) #define MACEISA_SERIAL2_TDMAME_INT BIT(29) #define MACEISA_SERIAL2_RDMAT_INT BIT(30) #define MACEISA_SERIAL2_RDMAOR_INT BIT(31) volatile unsigned long _pad[0x2000/8 - 4]; volatile unsigned long dp_ram[0x400]; struct mace_parport parport; }; /* Keyboard & Mouse registers * -> drivers/input/serio/maceps2.c */ struct mace_ps2port { volatile unsigned long tx; volatile unsigned long rx; volatile unsigned long control; volatile unsigned long status; }; struct mace_ps2 { struct mace_ps2port keyb; struct mace_ps2port mouse; }; /* I2C registers * -> drivers/i2c/algos/i2c-algo-sgi.c */ struct mace_i2c { volatile unsigned long config; #define MACEI2C_RESET BIT(0) #define MACEI2C_FAST BIT(1) #define MACEI2C_DATA_OVERRIDE BIT(2) #define MACEI2C_CLOCK_OVERRIDE BIT(3) #define MACEI2C_DATA_STATUS BIT(4) #define MACEI2C_CLOCK_STATUS BIT(5) volatile unsigned long control; volatile unsigned long data; }; /* Timer registers */ typedef union { volatile unsigned long ust_msc; struct reg { volatile unsigned int ust; volatile unsigned int msc; } reg; } timer_reg; struct mace_timers { volatile unsigned long ust; #define MACE_UST_PERIOD_NS 960 volatile unsigned long compare1; volatile unsigned long compare2; volatile unsigned long compare3; timer_reg audio_in; timer_reg audio_out1; timer_reg audio_out2; timer_reg video_in1; timer_reg video_in2; timer_reg video_out; }; struct mace_perif { struct mace_audio audio; char _pad0[0x10000 - sizeof(struct mace_audio)]; struct mace_isactrl ctrl; char _pad1[0x10000 - sizeof(struct mace_isactrl)]; struct mace_ps2 ps2; char _pad2[0x10000 - sizeof(struct mace_ps2)]; struct mace_i2c i2c; char _pad3[0x10000 - sizeof(struct mace_i2c)]; struct mace_timers timers; char _pad4[0x10000 - sizeof(struct mace_timers)]; }; /* * ISA peripherals */ /* Parallel port */ struct mace_parallel { }; struct mace_ecp1284 { /* later... */ }; /* Serial port */ struct mace_serial { volatile unsigned long xxx; /* later... */ }; struct mace_isa { struct mace_parallel parallel; char _pad1[0x8000 - sizeof(struct mace_parallel)]; struct mace_ecp1284 ecp1284; char _pad2[0x8000 - sizeof(struct mace_ecp1284)]; struct mace_serial serial1; char _pad3[0x8000 - sizeof(struct mace_serial)]; struct mace_serial serial2; char _pad4[0x8000 - sizeof(struct mace_serial)]; volatile unsigned char rtc[0x10000]; }; struct sgi_mace { char _reserved[0x80000]; struct mace_pci pci; char _pad0[0x80000 - sizeof(struct mace_pci)]; struct mace_video video_in1; char _pad1[0x80000 - sizeof(struct mace_video)]; struct mace_video video_in2; char _pad2[0x80000 - sizeof(struct mace_video)]; struct mace_video video_out; char _pad3[0x80000 - sizeof(struct mace_video)]; struct mace_ethernet eth; char _pad4[0x80000 - sizeof(struct mace_ethernet)]; struct mace_perif perif; char _pad5[0x80000 - sizeof(struct mace_perif)]; struct mace_isa isa; char _pad6[0x80000 - sizeof(struct mace_isa)]; }; extern struct sgi_mace __iomem *mace; #endif /* __ASM_MACE_H__ */