diff options
author | Ralf Baechle <ralf@linux-mips.org> | 1999-06-17 14:08:29 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 1999-06-17 14:08:29 +0000 |
commit | 57d569635c05dc4ea9b9f1f8dcec69b9ddc989b2 (patch) | |
tree | 1f703abf7d95dcd50ee52da3b96eb1b4b2b4ea53 /drivers/isdn/hisax/telespci.c | |
parent | 59223edaa18759982db0a8aced0e77457d10c68e (diff) |
The rest of 2.3.6.
Diffstat (limited to 'drivers/isdn/hisax/telespci.c')
-rw-r--r-- | drivers/isdn/hisax/telespci.c | 372 |
1 files changed, 372 insertions, 0 deletions
diff --git a/drivers/isdn/hisax/telespci.c b/drivers/isdn/hisax/telespci.c new file mode 100644 index 000000000..88592aa8d --- /dev/null +++ b/drivers/isdn/hisax/telespci.c @@ -0,0 +1,372 @@ +/* $Id: telespci.c,v 2.5 1998/11/15 23:55:28 keil Exp $ + + * telespci.c low level stuff for Teles PCI isdn cards + * + * Author Ton van Rosmalen + * Karsten Keil (keil@temic-ech.spacenet.de) + * + * + * $Log: telespci.c,v $ + * Revision 2.5 1998/11/15 23:55:28 keil + * changes from 2.0 + * + * Revision 2.4 1998/10/05 09:38:08 keil + * Fix register addressing + * + * Revision 2.3 1998/05/25 12:58:26 keil + * HiSax golden code from certification, Don't use !!! + * No leased lines, no X75, but many changes. + * + * Revision 2.1 1998/04/15 16:38:23 keil + * Add S0Box and Teles PCI support + * + * + */ +#define __NO_VERSION__ +#include <linux/config.h> +#include <linux/string.h> +#include "hisax.h" +#include "isac.h" +#include "hscx.h" +#include "isdnl1.h" +#include <linux/pci.h> + +extern const char *CardType[]; + +const char *telespci_revision = "$Revision: 2.5 $"; + +#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(unsigned int 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(unsigned int 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(unsigned int 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(unsigned int 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(unsigned int 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(unsigned int 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(unsigned int 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(unsigned int 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 void +telespci_interrupt(int intno, void *dev_id, struct pt_regs *regs) +{ +#define MAXCOUNT 20 + struct IsdnCardState *cs = dev_id; + u_char val, stat = 0; + + if (!cs) { + printk(KERN_WARNING "TelesPCI: Spurious interrupt!\n"); + return; + } + val = readhscx(cs->hw.teles0.membase, 1, HSCX_ISTA); + if (val) { + hscx_int_main(cs, val); + stat |= 1; + } + val = readisac(cs->hw.teles0.membase, ISAC_ISTA); + if (val) { + isac_interrupt(cs, val); + stat |= 2; + } + /* Clear interrupt register for Zoran PCI controller */ + writel(0x70000000, cs->hw.teles0.membase + 0x3C); + + if (stat & 1) { + writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0xFF); + writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0xFF); + writehscx(cs->hw.teles0.membase, 0, HSCX_MASK, 0x0); + writehscx(cs->hw.teles0.membase, 1, HSCX_MASK, 0x0); + } + if (stat & 2) { + writeisac(cs->hw.teles0.membase, ISAC_MASK, 0xFF); + writeisac(cs->hw.teles0.membase, ISAC_MASK, 0x0); + } +} + +void +release_io_telespci(struct IsdnCardState *cs) +{ + iounmap((void *)cs->hw.teles0.membase); +} + +static int +TelesPCI_card_msg(struct IsdnCardState *cs, int mt, void *arg) +{ + switch (mt) { + case CARD_RESET: + return(0); + case CARD_RELEASE: + release_io_telespci(cs); + return(0); + case CARD_SETIRQ: + return(request_irq(cs->irq, &telespci_interrupt, + I4L_IRQ_FLAG | SA_SHIRQ, "HiSax", cs)); + case CARD_INIT: + inithscxisac(cs, 3); + return(0); + case CARD_TEST: + return(0); + } + return(0); +} + +static struct pci_dev *dev_tel __initdata = NULL; + +__initfunc(int +setup_telespci(struct IsdnCard *card)) +{ + struct IsdnCardState *cs = card->cs; + char tmp[64]; + + 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); + +#if CONFIG_PCI + if (!pci_present()) { + printk(KERN_ERR "TelesPCI: no PCI bus present\n"); + return(0); + } + if ((dev_tel = pci_find_device (0x11DE, 0x6120, dev_tel))) { + 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 = (u_int) ioremap(dev_tel->base_address[0], + PAGE_SIZE); + printk(KERN_INFO "Found: Zoran, base-address: 0x%lx, irq: 0x%x\n", + dev_tel->base_address[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:%x\n", + CardType[cs->typ], cs->irq, + cs->hw.teles0.membase); + + 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; + 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); +} |