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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | /* $Id: telespci.c,v 2.16.6.5 2001/09/23 22:24:52 kai Exp $ * * low level stuff for Teles PCI isdn cards * * Author Ton van Rosmalen * Karsten Keil * Copyright by Ton van Rosmalen * by Karsten Keil <keil@isdn4linux.de> * * This software may be used and distributed according to the terms * of the GNU General Public License, incorporated herein by reference. * */ #include <linux/init.h> #include <linux/config.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: 2.16.6.5 $"; #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); \ } while (portdata & ZORAN_PO_RQ_PEN) static u8 isac_read(struct IsdnCardState *cs, u8 off) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for ISAC */ writel(WRITE_ADDR_ISAC | off, adr); ZORAN_WAIT_NOBUSY; /* read data from ISAC */ writel(READ_DATA_ISAC, adr); ZORAN_WAIT_NOBUSY; return((u8)(portdata & ZORAN_PO_DMASK)); } static void isac_write(struct IsdnCardState *cs, u8 off, u8 data) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for ISAC */ writel(WRITE_ADDR_ISAC | off, adr); ZORAN_WAIT_NOBUSY; /* write data to ISAC */ writel(WRITE_DATA_ISAC | data, adr); ZORAN_WAIT_NOBUSY; } static void isac_read_fifo(struct IsdnCardState *cs, u8 *data, int size) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; 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); ZORAN_WAIT_NOBUSY; writel(READ_DATA_ISAC, adr); ZORAN_WAIT_NOBUSY; data[i] = (u8)(portdata & ZORAN_PO_DMASK); } } static void isac_write_fifo(struct IsdnCardState *cs, u8 *data, int size) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; 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); ZORAN_WAIT_NOBUSY; writel(WRITE_DATA_ISAC | data[i], adr); ZORAN_WAIT_NOBUSY; } } static struct dc_hw_ops isac_ops = { .read_reg = isac_read, .write_reg = isac_write, .read_fifo = isac_read_fifo, .write_fifo = isac_write_fifo, }; static u8 hscx_read(struct IsdnCardState *cs, int hscx, u8 off) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for HSCX */ writel(WRITE_ADDR_HSCX | ((hscx ? 0x40:0) + off), adr); ZORAN_WAIT_NOBUSY; /* read data from HSCX */ writel(READ_DATA_HSCX, adr); ZORAN_WAIT_NOBUSY; return ((u8)(portdata & ZORAN_PO_DMASK)); } static void hscx_write(struct IsdnCardState *cs, int hscx, u8 off, u8 data) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; ZORAN_WAIT_NOBUSY; /* set address for HSCX */ writel(WRITE_ADDR_HSCX | ((hscx ? 0x40:0) + off), adr); ZORAN_WAIT_NOBUSY; /* write data to HSCX */ writel(WRITE_DATA_HSCX | data, adr); ZORAN_WAIT_NOBUSY; } static void hscx_read_fifo(struct IsdnCardState *cs, int hscx, u8 * data, int size) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; 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); ZORAN_WAIT_NOBUSY; writel(READ_DATA_HSCX, adr); ZORAN_WAIT_NOBUSY; data[i] = (u8) (portdata & ZORAN_PO_DMASK); } } static void hscx_write_fifo(struct IsdnCardState *cs, int hscx, u8 * data, int size) { void *adr = cs->hw.teles0.membase + 0x200; unsigned int portdata; 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); ZORAN_WAIT_NOBUSY; writel(WRITE_DATA_HSCX | data[i], adr); ZORAN_WAIT_NOBUSY; udelay(10); } } static struct bc_hw_ops hscx_ops = { .read_reg = hscx_read, .write_reg = hscx_write, .read_fifo = hscx_read_fifo, .write_fifo = hscx_write_fifo, }; static void telespci_interrupt(int intno, void *dev_id, struct pt_regs *regs) { #define MAXCOUNT 20 struct IsdnCardState *cs = dev_id; u8 val; spin_lock(&cs->lock); val = hscx_read(cs, 1, HSCX_ISTA); if (val) hscx_int_main(cs, val); val = isac_read(cs, ISAC_ISTA); if (val) isac_interrupt(cs, val); /* Clear interrupt register for Zoran PCI controller */ writel(0x70000000, cs->hw.teles0.membase + 0x3C); hscx_write(cs, 0, HSCX_MASK, 0xFF); hscx_write(cs, 1, HSCX_MASK, 0xFF); isac_write(cs, ISAC_MASK, 0xFF); isac_write(cs, ISAC_MASK, 0x0); hscx_write(cs, 0, HSCX_MASK, 0x0); hscx_write(cs, 1, HSCX_MASK, 0x0); spin_unlock(&cs->lock); } static struct card_ops telespci_ops = { .init = inithscxisac, .release = hisax_release_resources, .irq_func = telespci_interrupt, }; 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 ((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 = request_mmio(&cs->rs, pci_resource_start(dev_tel, 0), 4096, "telespci"); if (!cs->hw.teles0.membase) goto err; printk(KERN_INFO "Found: Zoran, base-address: 0x%lx, irq: 0x%x\n", pci_resource_start(dev_tel, 0), dev_tel->irq); } else { printk(KERN_WARNING "TelesPCI: No PCI card found\n"); return(0); } /* 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); cs->irq_flags |= SA_SHIRQ; cs->card_ops = &telespci_ops; if (hscxisac_setup(cs, &isac_ops, &hscx_ops)) goto err; return 1; err: hisax_release_resources(cs); return 0; } |