/* $Id: telespci.c,v 2.23.2.3 2004/01/13 14:31:26 keil Exp $ * * low level stuff for Teles PCI isdn cards * * Author Ton van Rosmalen * Karsten Keil * Copyright by Ton van Rosmalen * by Karsten Keil * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include #include "hisax.h" #include "isac.h" #include "hscx.h" #include "isdnl1.h" #include extern const char *CardType[]; static const char *telespci_revision = "$Revision: 2.23.2.3 $"; #define ZORAN_PO_RQ_PEN 0x02000000 #define ZORAN_PO_WR 0x00800000 #define ZORAN_PO_GID0 0x00000000 #define ZORAN_PO_GID1 0x00100000 #define ZORAN_PO_GREG0 0x00000000 #define ZORAN_PO_GREG1 0x00010000 #define ZORAN_PO_DMASK 0xFF #define WRITE_ADDR_ISAC (ZORAN_PO_WR | ZORAN_PO_GID0 | ZORAN_PO_GREG0) #define READ_DATA_ISAC (ZORAN_PO_GID0 | ZORAN_PO_GREG1) #define WRITE_DATA_ISAC (ZORAN_PO_WR | ZORAN_PO_GID0 | ZORAN_PO_GREG1) #define WRITE_ADDR_HSCX (ZORAN_PO_WR | ZORAN_PO_GID1 | ZORAN_PO_GREG0) #define READ_DATA_HSCX (ZORAN_PO_GID1 | ZORAN_PO_GREG1) #define WRITE_DATA_HSCX (ZORAN_PO_WR | ZORAN_PO_GID1 | ZORAN_PO_GREG1) #define ZORAN_WAIT_NOBUSY do { \ portdata = readl(adr + 0x200); \ } while (portdata & ZORAN_PO_RQ_PEN) static inline u_char readisac(void __iomem *adr, u_char off) { register unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for ISAC */ writel(WRITE_ADDR_ISAC | off, adr + 0x200); ZORAN_WAIT_NOBUSY; /* read data from ISAC */ writel(READ_DATA_ISAC, adr + 0x200); ZORAN_WAIT_NOBUSY; return((u_char)(portdata & ZORAN_PO_DMASK)); } static inline void writeisac(void __iomem *adr, u_char off, u_char data) { register unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for ISAC */ writel(WRITE_ADDR_ISAC | off, adr + 0x200); ZORAN_WAIT_NOBUSY; /* write data to ISAC */ writel(WRITE_DATA_ISAC | data, adr + 0x200); ZORAN_WAIT_NOBUSY; } static inline u_char readhscx(void __iomem *adr, int hscx, u_char off) { register unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for HSCX */ writel(WRITE_ADDR_HSCX | ((hscx ? 0x40:0) + off), adr + 0x200); ZORAN_WAIT_NOBUSY; /* read data from HSCX */ writel(READ_DATA_HSCX, adr + 0x200); ZORAN_WAIT_NOBUSY; return ((u_char)(portdata & ZORAN_PO_DMASK)); } static inline void writehscx(void __iomem *adr, int hscx, u_char off, u_char data) { register unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for HSCX */ writel(WRITE_ADDR_HSCX | ((hscx ? 0x40:0) + off), adr + 0x200); ZORAN_WAIT_NOBUSY; /* write data to HSCX */ writel(WRITE_DATA_HSCX | data, adr + 0x200); ZORAN_WAIT_NOBUSY; } static inline void read_fifo_isac(void __iomem *adr, u_char * data, int size) { register unsigned int portdata; register int i; ZORAN_WAIT_NOBUSY; /* read data from ISAC */ for (i = 0; i < size; i++) { /* set address for ISAC fifo */ writel(WRITE_ADDR_ISAC | 0x1E, adr + 0x200); ZORAN_WAIT_NOBUSY; writel(READ_DATA_ISAC, adr + 0x200); ZORAN_WAIT_NOBUSY; data[i] = (u_char)(portdata & ZORAN_PO_DMASK); } } static void write_fifo_isac(void __iomem *adr, u_char * data, int size) { register unsigned int portdata; register int i; ZORAN_WAIT_NOBUSY; /* write data to ISAC */ for (i = 0; i < size; i++) { /* set address for ISAC fifo */ writel(WRITE_ADDR_ISAC | 0x1E, adr + 0x200); ZORAN_WAIT_NOBUSY; writel(WRITE_DATA_ISAC | data[i], adr + 0x200); ZORAN_WAIT_NOBUSY; } } static inline void read_fifo_hscx(void __iomem *adr, int hscx, u_char * data, int size) { register unsigned int portdata; register int i; ZORAN_WAIT_NOBUSY; /* read data from HSCX */ for (i = 0; i < size; i++) { /* set address for HSCX fifo */ writel(WRITE_ADDR_HSCX |(hscx ? 0x5F:0x1F), adr + 0x200); ZORAN_WAIT_NOBUSY; writel(READ_DATA_HSCX, adr + 0x200); ZORAN_WAIT_NOBUSY; data[i] = (u_char) (portdata & ZORAN_PO_DMASK); } } static inline void write_fifo_hscx(void __iomem *adr, int hscx, u_char * data, int size) { unsigned int portdata; register int i; ZORAN_WAIT_NOBUSY; /* write data to HSCX */ for (i = 0; i < size; i++) { /* set address for HSCX fifo */ writel(WRITE_ADDR_HSCX |(hscx ? 0x5F:0x1F), adr + 0x200); ZORAN_WAIT_NOBUSY; writel(WRITE_DATA_HSCX | data[i], adr + 0x200); ZORAN_WAIT_NOBUSY; udelay(10); } } /* Interface functions */ static u_char ReadISAC(struct IsdnCardState *cs, u_char offset) { return (readisac(cs->hw.teles0.membase, offset)); } static void WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value) { writeisac(cs->hw.teles0.membase, offset, value); } static void ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size) { read_fifo_isac(cs->hw.teles0.membase, data, size); } static void WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size) { write_fifo_isac(cs->hw.teles0.membase, data, size); } static u_char ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset) { return (readhscx(cs->hw.teles0.membase, hscx, offset)); } static void WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value) { writehscx(cs->hw.teles0.membase, hscx, offset, value); } /* * fast interrupt HSCX stuff goes here */ #define READHSCX(cs, nr, reg) readhscx(cs->hw.teles0.membase, nr, reg) #define WRITEHSCX(cs, nr, reg, data) writehscx(cs->hw.teles0.membase, nr, reg, data) #define READHSCXFIFO(cs, nr, ptr, cnt) read_fifo_hscx(cs->hw.teles0.membase, nr, ptr, cnt) #define WRITEHSCXFIFO(cs, nr, ptr, cnt) write_fifo_hscx(cs->hw.teles0.membase, nr, ptr, cnt) #include "hscx_irq.c" static irqreturn_t telespci_interrupt(int intno, void *dev_id, struct pt_regs *regs) { struct IsdnCardState *cs = dev_id; u_char hval, ival; u_long flags; spin_lock_irqsave(&cs->lock, flags); hval = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA); if (hval) hscx_int_main(cs, hval); ival = readisac(cs->hw.teles0.membase, ISAC_ISTA); if ((hval | ival) == 0) { spin_unlock_irqrestore(&cs->lock, flags); return IRQ_NONE; } if (ival) isac_interrupt(cs, ival); /* Clear interrupt register for Zoran PCI controller */ writel(0x70000000, cs->hw.teles0.membase + 0x3C); writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF); writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF); writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF); writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0); writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0); writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0); spin_unlock_irqrestore(&cs->lock, flags); return IRQ_HANDLED; } static void release_io_telespci(struct IsdnCardState *cs) { iounmap(cs->hw.teles0.membase); } static int TelesPCI_card_msg(struct IsdnCardState *cs, int mt, void *arg) { u_long flags; switch (mt) { case CARD_RESET: return(0); case CARD_RELEASE: release_io_telespci(cs); return(0); case CARD_INIT: spin_lock_irqsave(&cs->lock, flags); inithscxisac(cs, 3); spin_unlock_irqrestore(&cs->lock, flags); return(0); case CARD_TEST: return(0); } return(0); } static struct pci_dev *dev_tel __initdata = NULL; int __init setup_telespci(struct IsdnCard *card) { struct IsdnCardState *cs = card->cs; char tmp[64]; #ifdef __BIG_ENDIAN #error "not running on big endian machines now" #endif strcpy(tmp, telespci_revision); printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp)); if (cs->typ != ISDN_CTYPE_TELESPCI) return (0); #ifdef CONFIG_PCI if ((dev_tel = pci_find_device (PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120, dev_tel))) { if (pci_enable_device(dev_tel)) return(0); cs->irq = dev_tel->irq; if (!cs->irq) { printk(KERN_WARNING "Teles: No IRQ for PCI card found\n"); return(0); } cs->hw.teles0.membase = ioremap(pci_resource_start(dev_tel, 0), PAGE_SIZE); printk(KERN_INFO "Found: Zoran, base-address: 0x%llx, irq: 0x%x\n", (unsigned long long)pci_resource_start(dev_tel, 0), dev_tel->irq); } else { printk(KERN_WARNING "TelesPCI: No PCI card found\n"); return(0); } #else printk(KERN_WARNING "HiSax: Teles/PCI and NO_PCI_BIOS\n"); printk(KERN_WARNING "HiSax: Teles/PCI unable to config\n"); return (0); #endif /* CONFIG_PCI */ /* Initialize Zoran PCI controller */ writel(0x00000000, cs->hw.teles0.membase + 0x28); writel(0x01000000, cs->hw.teles0.membase + 0x28); writel(0x01000000, cs->hw.teles0.membase + 0x28); writel(0x7BFFFFFF, cs->hw.teles0.membase + 0x2C); writel(0x70000000, cs->hw.teles0.membase + 0x3C); writel(0x61000000, cs->hw.teles0.membase + 0x40); /* writel(0x00800000, cs->hw.teles0.membase + 0x200); */ printk(KERN_INFO "HiSax: %s config irq:%d mem:%p\n", CardType[cs->typ], cs->irq, cs->hw.teles0.membase); setup_isac(cs); cs->readisac = &ReadISAC; cs->writeisac = &WriteISAC; cs->readisacfifo = &ReadISACfifo; cs->writeisacfifo = &WriteISACfifo; cs->BC_Read_Reg = &ReadHSCX; cs->BC_Write_Reg = &WriteHSCX; cs->BC_Send_Data = &hscx_fill_fifo; cs->cardmsg = &TelesPCI_card_msg; cs->irq_func = &telespci_interrupt; cs->irq_flags |= IRQF_SHARED; ISACVersion(cs, "TelesPCI:"); if (HscxVersion(cs, "TelesPCI:")) { printk(KERN_WARNING "TelesPCI: wrong HSCX versions check IO/MEM addresses\n"); release_io_telespci(cs); return (0); } return (1); }