summaryrefslogtreecommitdiffstats
path: root/drivers/isdn/hardware/mISDN/mISDNinfineon.c
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--drivers/isdn/hardware/mISDN/mISDNinfineon.c1167
1 files changed, 1167 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/mISDN/mISDNinfineon.c b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
new file mode 100644
index 000000000..88d592baf
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/mISDNinfineon.c
@@ -0,0 +1,1167 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * mISDNinfineon.c
+ * Support for cards based on following Infineon ISDN chipsets
+ * - ISAC + HSCX
+ * - IPAC and IPAC-X
+ * - ISAC-SX + HSCX
+ *
+ * Supported cards:
+ * - Dialogic Diva 2.0
+ * - Dialogic Diva 2.0U
+ * - Dialogic Diva 2.01
+ * - Dialogic Diva 2.02
+ * - Sedlbauer Speedwin
+ * - HST Saphir3
+ * - Develo (former ELSA) Microlink PCI (Quickstep 1000)
+ * - Develo (former ELSA) Quickstep 3000
+ * - Berkom Scitel BRIX Quadro
+ * - Dr.Neuhaus (Sagem) Niccy
+ *
+ * Author Karsten Keil <keil@isdn4linux.de>
+ *
+ * Copyright 2009 by Karsten Keil <keil@isdn4linux.de>
+ */
+
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/mISDNhw.h>
+#include <linux/slab.h>
+#include "ipac.h"
+
+#define INFINEON_REV "1.0"
+
+static int inf_cnt;
+static u32 debug;
+static u32 irqloops = 4;
+
+enum inf_types {
+ INF_NONE,
+ INF_DIVA20,
+ INF_DIVA20U,
+ INF_DIVA201,
+ INF_DIVA202,
+ INF_SPEEDWIN,
+ INF_SAPHIR3,
+ INF_QS1000,
+ INF_QS3000,
+ INF_NICCY,
+ INF_SCT_1,
+ INF_SCT_2,
+ INF_SCT_3,
+ INF_SCT_4,
+ INF_GAZEL_R685,
+ INF_GAZEL_R753
+};
+
+enum addr_mode {
+ AM_NONE = 0,
+ AM_IO,
+ AM_MEMIO,
+ AM_IND_IO,
+};
+
+struct inf_cinfo {
+ enum inf_types typ;
+ const char *full;
+ const char *name;
+ enum addr_mode cfg_mode;
+ enum addr_mode addr_mode;
+ u8 cfg_bar;
+ u8 addr_bar;
+ void *irqfunc;
+};
+
+struct _ioaddr {
+ enum addr_mode mode;
+ union {
+ void __iomem *p;
+ struct _ioport io;
+ } a;
+};
+
+struct _iohandle {
+ enum addr_mode mode;
+ resource_size_t size;
+ resource_size_t start;
+ void __iomem *p;
+};
+
+struct inf_hw {
+ struct list_head list;
+ struct pci_dev *pdev;
+ const struct inf_cinfo *ci;
+ char name[MISDN_MAX_IDLEN];
+ u32 irq;
+ u32 irqcnt;
+ struct _iohandle cfg;
+ struct _iohandle addr;
+ struct _ioaddr isac;
+ struct _ioaddr hscx;
+ spinlock_t lock; /* HW access lock */
+ struct ipac_hw ipac;
+ struct inf_hw *sc[3]; /* slave cards */
+};
+
+
+#define PCI_SUBVENDOR_HST_SAPHIR3 0x52
+#define PCI_SUBVENDOR_SEDLBAUER_PCI 0x53
+#define PCI_SUB_ID_SEDLBAUER 0x01
+
+static struct pci_device_id infineon_ids[] = {
+ { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_DIVA20), INF_DIVA20 },
+ { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_DIVA20_U), INF_DIVA20U },
+ { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_DIVA201), INF_DIVA201 },
+ { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_DIVA202), INF_DIVA202 },
+ { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+ PCI_SUBVENDOR_SEDLBAUER_PCI, PCI_SUB_ID_SEDLBAUER, 0, 0,
+ INF_SPEEDWIN },
+ { PCI_VENDOR_ID_TIGERJET, PCI_DEVICE_ID_TIGERJET_100,
+ PCI_SUBVENDOR_HST_SAPHIR3, PCI_SUB_ID_SEDLBAUER, 0, 0, INF_SAPHIR3 },
+ { PCI_VDEVICE(ELSA, PCI_DEVICE_ID_ELSA_MICROLINK), INF_QS1000 },
+ { PCI_VDEVICE(ELSA, PCI_DEVICE_ID_ELSA_QS3000), INF_QS3000 },
+ { PCI_VDEVICE(SATSAGEM, PCI_DEVICE_ID_SATSAGEM_NICCY), INF_NICCY },
+ { PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
+ PCI_VENDOR_ID_BERKOM, PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO, 0, 0,
+ INF_SCT_1 },
+ { PCI_VDEVICE(PLX, PCI_DEVICE_ID_PLX_R685), INF_GAZEL_R685 },
+ { PCI_VDEVICE(PLX, PCI_DEVICE_ID_PLX_R753), INF_GAZEL_R753 },
+ { PCI_VDEVICE(PLX, PCI_DEVICE_ID_PLX_DJINN_ITOO), INF_GAZEL_R753 },
+ { PCI_VDEVICE(PLX, PCI_DEVICE_ID_PLX_OLITEC), INF_GAZEL_R753 },
+ { }
+};
+MODULE_DEVICE_TABLE(pci, infineon_ids);
+
+/* PCI interface specific defines */
+/* Diva 2.0/2.0U */
+#define DIVA_HSCX_PORT 0x00
+#define DIVA_HSCX_ALE 0x04
+#define DIVA_ISAC_PORT 0x08
+#define DIVA_ISAC_ALE 0x0C
+#define DIVA_PCI_CTRL 0x10
+
+/* DIVA_PCI_CTRL bits */
+#define DIVA_IRQ_BIT 0x01
+#define DIVA_RESET_BIT 0x08
+#define DIVA_EEPROM_CLK 0x40
+#define DIVA_LED_A 0x10
+#define DIVA_LED_B 0x20
+#define DIVA_IRQ_CLR 0x80
+
+/* Diva 2.01/2.02 */
+/* Siemens PITA */
+#define PITA_ICR_REG 0x00
+#define PITA_INT0_STATUS 0x02
+
+#define PITA_MISC_REG 0x1c
+#define PITA_PARA_SOFTRESET 0x01000000
+#define PITA_SER_SOFTRESET 0x02000000
+#define PITA_PARA_MPX_MODE 0x04000000
+#define PITA_INT0_ENABLE 0x00020000
+
+/* TIGER 100 Registers */
+#define TIGER_RESET_ADDR 0x00
+#define TIGER_EXTERN_RESET 0x01
+#define TIGER_AUX_CTRL 0x02
+#define TIGER_AUX_DATA 0x03
+#define TIGER_AUX_IRQMASK 0x05
+#define TIGER_AUX_STATUS 0x07
+
+/* Tiger AUX BITs */
+#define TIGER_IOMASK 0xdd /* 1 and 5 are inputs */
+#define TIGER_IRQ_BIT 0x02
+
+#define TIGER_IPAC_ALE 0xC0
+#define TIGER_IPAC_PORT 0xC8
+
+/* ELSA (now Develo) PCI cards */
+#define ELSA_IRQ_ADDR 0x4c
+#define ELSA_IRQ_MASK 0x04
+#define QS1000_IRQ_OFF 0x01
+#define QS3000_IRQ_OFF 0x03
+#define QS1000_IRQ_ON 0x41
+#define QS3000_IRQ_ON 0x43
+
+/* Dr Neuhaus/Sagem Niccy */
+#define NICCY_ISAC_PORT 0x00
+#define NICCY_HSCX_PORT 0x01
+#define NICCY_ISAC_ALE 0x02
+#define NICCY_HSCX_ALE 0x03
+
+#define NICCY_IRQ_CTRL_REG 0x38
+#define NICCY_IRQ_ENABLE 0x001f00
+#define NICCY_IRQ_DISABLE 0xff0000
+#define NICCY_IRQ_BIT 0x800000
+
+
+/* Scitel PLX */
+#define SCT_PLX_IRQ_ADDR 0x4c
+#define SCT_PLX_RESET_ADDR 0x50
+#define SCT_PLX_IRQ_ENABLE 0x41
+#define SCT_PLX_RESET_BIT 0x04
+
+/* Gazel */
+#define GAZEL_IPAC_DATA_PORT 0x04
+/* Gazel PLX */
+#define GAZEL_CNTRL 0x50
+#define GAZEL_RESET 0x04
+#define GAZEL_RESET_9050 0x40000000
+#define GAZEL_INCSR 0x4C
+#define GAZEL_ISAC_EN 0x08
+#define GAZEL_INT_ISAC 0x20
+#define GAZEL_HSCX_EN 0x01
+#define GAZEL_INT_HSCX 0x04
+#define GAZEL_PCI_EN 0x40
+#define GAZEL_IPAC_EN 0x03
+
+
+static LIST_HEAD(Cards);
+static DEFINE_RWLOCK(card_lock); /* protect Cards */
+
+static void
+_set_debug(struct inf_hw *card)
+{
+ card->ipac.isac.dch.debug = debug;
+ card->ipac.hscx[0].bch.debug = debug;
+ card->ipac.hscx[1].bch.debug = debug;
+}
+
+static int
+set_debug(const char *val, const struct kernel_param *kp)
+{
+ int ret;
+ struct inf_hw *card;
+
+ ret = param_set_uint(val, kp);
+ if (!ret) {
+ read_lock(&card_lock);
+ list_for_each_entry(card, &Cards, list)
+ _set_debug(card);
+ read_unlock(&card_lock);
+ }
+ return ret;
+}
+
+MODULE_AUTHOR("Karsten Keil");
+MODULE_LICENSE("GPL v2");
+MODULE_VERSION(INFINEON_REV);
+module_param_call(debug, set_debug, param_get_uint, &debug, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "infineon debug mask");
+module_param(irqloops, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(irqloops, "infineon maximal irqloops (default 4)");
+
+/* Interface functions */
+
+IOFUNC_IO(ISAC, inf_hw, isac.a.io)
+IOFUNC_IO(IPAC, inf_hw, hscx.a.io)
+IOFUNC_IND(ISAC, inf_hw, isac.a.io)
+IOFUNC_IND(IPAC, inf_hw, hscx.a.io)
+IOFUNC_MEMIO(ISAC, inf_hw, u32, isac.a.p)
+IOFUNC_MEMIO(IPAC, inf_hw, u32, hscx.a.p)
+
+static irqreturn_t
+diva_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + DIVA_PCI_CTRL);
+ if (!(val & DIVA_IRQ_BIT)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+diva20x_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = readb(hw->cfg.p);
+ if (!(val & PITA_INT0_STATUS)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ writeb(PITA_INT0_STATUS, hw->cfg.p); /* ACK PITA INT0 */
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+tiger_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + TIGER_AUX_STATUS);
+ if (val & TIGER_IRQ_BIT) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+elsa_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = inb((u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ if (!(val & ELSA_IRQ_MASK)) {
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+niccy_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u32 val;
+
+ spin_lock(&hw->lock);
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ if (!(val & NICCY_IRQ_BIT)) { /* for us or shared ? */
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t
+gazel_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ irqreturn_t ret;
+
+ spin_lock(&hw->lock);
+ ret = mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return ret;
+}
+
+static irqreturn_t
+ipac_irq(int intno, void *dev_id)
+{
+ struct inf_hw *hw = dev_id;
+ u8 val;
+
+ spin_lock(&hw->lock);
+ val = hw->ipac.read_reg(hw, IPAC_ISTA);
+ if (!(val & 0x3f)) {
+ spin_unlock(&hw->lock);
+ return IRQ_NONE; /* shared */
+ }
+ hw->irqcnt++;
+ mISDNipac_irq(&hw->ipac, irqloops);
+ spin_unlock(&hw->lock);
+ return IRQ_HANDLED;
+}
+
+static void
+enable_hwirq(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ switch (hw->ci->typ) {
+ case INF_DIVA201:
+ case INF_DIVA202:
+ writel(PITA_INT0_ENABLE, hw->cfg.p);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ outb(TIGER_IRQ_BIT, (u32)hw->cfg.start + TIGER_AUX_IRQMASK);
+ break;
+ case INF_QS1000:
+ outb(QS1000_IRQ_ON, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_QS3000:
+ outb(QS3000_IRQ_ON, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_NICCY:
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ val |= NICCY_IRQ_ENABLE;
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ w |= SCT_PLX_IRQ_ENABLE;
+ outw(w, (u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ break;
+ case INF_GAZEL_R685:
+ outb(GAZEL_ISAC_EN + GAZEL_HSCX_EN + GAZEL_PCI_EN,
+ (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ case INF_GAZEL_R753:
+ outb(GAZEL_IPAC_EN + GAZEL_PCI_EN,
+ (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+disable_hwirq(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ switch (hw->ci->typ) {
+ case INF_DIVA201:
+ case INF_DIVA202:
+ writel(0, hw->cfg.p);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ outb(0, (u32)hw->cfg.start + TIGER_AUX_IRQMASK);
+ break;
+ case INF_QS1000:
+ outb(QS1000_IRQ_OFF, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_QS3000:
+ outb(QS3000_IRQ_OFF, (u32)hw->cfg.start + ELSA_IRQ_ADDR);
+ break;
+ case INF_NICCY:
+ val = inl((u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ val &= NICCY_IRQ_DISABLE;
+ outl(val, (u32)hw->cfg.start + NICCY_IRQ_CTRL_REG);
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ w &= (~SCT_PLX_IRQ_ENABLE);
+ outw(w, (u32)hw->cfg.start + SCT_PLX_IRQ_ADDR);
+ break;
+ case INF_GAZEL_R685:
+ case INF_GAZEL_R753:
+ outb(0, (u32)hw->cfg.start + GAZEL_INCSR);
+ break;
+ default:
+ break;
+ }
+}
+
+static void
+ipac_chip_reset(struct inf_hw *hw)
+{
+ hw->ipac.write_reg(hw, IPAC_POTA2, 0x20);
+ mdelay(5);
+ hw->ipac.write_reg(hw, IPAC_POTA2, 0x00);
+ mdelay(5);
+ hw->ipac.write_reg(hw, IPAC_CONF, hw->ipac.conf);
+ hw->ipac.write_reg(hw, IPAC_MASK, 0xc0);
+}
+
+static void
+reset_inf(struct inf_hw *hw)
+{
+ u16 w;
+ u32 val;
+
+ if (debug & DEBUG_HW)
+ pr_notice("%s: resetting card\n", hw->name);
+ switch (hw->ci->typ) {
+ case INF_DIVA20:
+ case INF_DIVA20U:
+ outb(0, (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ mdelay(10);
+ outb(DIVA_RESET_BIT, (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ mdelay(10);
+ /* Workaround PCI9060 */
+ outb(9, (u32)hw->cfg.start + 0x69);
+ outb(DIVA_RESET_BIT | DIVA_LED_A,
+ (u32)hw->cfg.start + DIVA_PCI_CTRL);
+ break;
+ case INF_DIVA201:
+ writel(PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(1);
+ writel(PITA_PARA_MPX_MODE, hw->cfg.p + PITA_MISC_REG);
+ mdelay(10);
+ break;
+ case INF_DIVA202:
+ writel(PITA_PARA_SOFTRESET | PITA_PARA_MPX_MODE,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(1);
+ writel(PITA_PARA_MPX_MODE | PITA_SER_SOFTRESET,
+ hw->cfg.p + PITA_MISC_REG);
+ mdelay(10);
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0xff);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x00);
+ hw->ipac.write_reg(hw, IPAC_PCFG, 0x12);
+ break;
+ case INF_QS1000:
+ case INF_QS3000:
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0x00);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x3c);
+ hw->ipac.write_reg(hw, IPAC_ATX, 0xff);
+ break;
+ case INF_NICCY:
+ break;
+ case INF_SCT_1:
+ w = inw((u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ w &= (~SCT_PLX_RESET_BIT);
+ outw(w, (u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ mdelay(10);
+ w = inw((u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ w |= SCT_PLX_RESET_BIT;
+ outw(w, (u32)hw->cfg.start + SCT_PLX_RESET_ADDR);
+ mdelay(10);
+ break;
+ case INF_GAZEL_R685:
+ val = inl((u32)hw->cfg.start + GAZEL_CNTRL);
+ val |= (GAZEL_RESET_9050 + GAZEL_RESET);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ val &= ~(GAZEL_RESET_9050 + GAZEL_RESET);
+ mdelay(4);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ mdelay(10);
+ hw->ipac.isac.adf2 = 0x87;
+ hw->ipac.hscx[0].slot = 0x1f;
+ hw->ipac.hscx[1].slot = 0x23;
+ break;
+ case INF_GAZEL_R753:
+ val = inl((u32)hw->cfg.start + GAZEL_CNTRL);
+ val |= (GAZEL_RESET_9050 + GAZEL_RESET);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ val &= ~(GAZEL_RESET_9050 + GAZEL_RESET);
+ mdelay(4);
+ outl(val, (u32)hw->cfg.start + GAZEL_CNTRL);
+ mdelay(10);
+ ipac_chip_reset(hw);
+ hw->ipac.write_reg(hw, IPAC_ACFG, 0xff);
+ hw->ipac.write_reg(hw, IPAC_AOE, 0x00);
+ hw->ipac.conf = 0x01; /* IOM off */
+ break;
+ default:
+ return;
+ }
+ enable_hwirq(hw);
+}
+
+static int
+inf_ctrl(struct inf_hw *hw, u32 cmd, u_long arg)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case HW_RESET_REQ:
+ reset_inf(hw);
+ break;
+ default:
+ pr_info("%s: %s unknown command %x %lx\n",
+ hw->name, __func__, cmd, arg);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+static int
+init_irq(struct inf_hw *hw)
+{
+ int ret, cnt = 3;
+ u_long flags;
+
+ if (!hw->ci->irqfunc)
+ return -EINVAL;
+ ret = request_irq(hw->irq, hw->ci->irqfunc, IRQF_SHARED, hw->name, hw);
+ if (ret) {
+ pr_info("%s: couldn't get interrupt %d\n", hw->name, hw->irq);
+ return ret;
+ }
+ while (cnt--) {
+ spin_lock_irqsave(&hw->lock, flags);
+ reset_inf(hw);
+ ret = hw->ipac.init(&hw->ipac);
+ if (ret) {
+ spin_unlock_irqrestore(&hw->lock, flags);
+ pr_info("%s: ISAC init failed with %d\n",
+ hw->name, ret);
+ break;
+ }
+ spin_unlock_irqrestore(&hw->lock, flags);
+ msleep_interruptible(10);
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IRQ %d count %d\n", hw->name,
+ hw->irq, hw->irqcnt);
+ if (!hw->irqcnt) {
+ pr_info("%s: IRQ(%d) got no requests during init %d\n",
+ hw->name, hw->irq, 3 - cnt);
+ } else
+ return 0;
+ }
+ free_irq(hw->irq, hw);
+ return -EIO;
+}
+
+static void
+release_io(struct inf_hw *hw)
+{
+ if (hw->cfg.mode) {
+ if (hw->cfg.mode == AM_MEMIO) {
+ release_mem_region(hw->cfg.start, hw->cfg.size);
+ if (hw->cfg.p)
+ iounmap(hw->cfg.p);
+ } else
+ release_region(hw->cfg.start, hw->cfg.size);
+ hw->cfg.mode = AM_NONE;
+ }
+ if (hw->addr.mode) {
+ if (hw->addr.mode == AM_MEMIO) {
+ release_mem_region(hw->addr.start, hw->addr.size);
+ if (hw->addr.p)
+ iounmap(hw->addr.p);
+ } else
+ release_region(hw->addr.start, hw->addr.size);
+ hw->addr.mode = AM_NONE;
+ }
+}
+
+static int
+setup_io(struct inf_hw *hw)
+{
+ int err = 0;
+
+ if (hw->ci->cfg_mode) {
+ hw->cfg.start = pci_resource_start(hw->pdev, hw->ci->cfg_bar);
+ hw->cfg.size = pci_resource_len(hw->pdev, hw->ci->cfg_bar);
+ if (hw->ci->cfg_mode == AM_MEMIO) {
+ if (!request_mem_region(hw->cfg.start, hw->cfg.size,
+ hw->name))
+ err = -EBUSY;
+ } else {
+ if (!request_region(hw->cfg.start, hw->cfg.size,
+ hw->name))
+ err = -EBUSY;
+ }
+ if (err) {
+ pr_info("mISDN: %s config port %lx (%lu bytes)"
+ "already in use\n", hw->name,
+ (ulong)hw->cfg.start, (ulong)hw->cfg.size);
+ return err;
+ }
+ hw->cfg.mode = hw->ci->cfg_mode;
+ if (hw->ci->cfg_mode == AM_MEMIO) {
+ hw->cfg.p = ioremap(hw->cfg.start, hw->cfg.size);
+ if (!hw->cfg.p)
+ return -ENOMEM;
+ }
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IO cfg %lx (%lu bytes) mode%d\n",
+ hw->name, (ulong)hw->cfg.start,
+ (ulong)hw->cfg.size, hw->ci->cfg_mode);
+
+ }
+ if (hw->ci->addr_mode) {
+ hw->addr.start = pci_resource_start(hw->pdev, hw->ci->addr_bar);
+ hw->addr.size = pci_resource_len(hw->pdev, hw->ci->addr_bar);
+ if (hw->ci->addr_mode == AM_MEMIO) {
+ if (!request_mem_region(hw->addr.start, hw->addr.size,
+ hw->name))
+ err = -EBUSY;
+ } else {
+ if (!request_region(hw->addr.start, hw->addr.size,
+ hw->name))
+ err = -EBUSY;
+ }
+ if (err) {
+ pr_info("mISDN: %s address port %lx (%lu bytes)"
+ "already in use\n", hw->name,
+ (ulong)hw->addr.start, (ulong)hw->addr.size);
+ return err;
+ }
+ hw->addr.mode = hw->ci->addr_mode;
+ if (hw->ci->addr_mode == AM_MEMIO) {
+ hw->addr.p = ioremap(hw->addr.start, hw->addr.size);
+ if (!hw->addr.p)
+ return -ENOMEM;
+ }
+ if (debug & DEBUG_HW)
+ pr_notice("%s: IO addr %lx (%lu bytes) mode%d\n",
+ hw->name, (ulong)hw->addr.start,
+ (ulong)hw->addr.size, hw->ci->addr_mode);
+
+ }
+
+ switch (hw->ci->typ) {
+ case INF_DIVA20:
+ case INF_DIVA20U:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->isac.mode = hw->cfg.mode;
+ hw->isac.a.io.ale = (u32)hw->cfg.start + DIVA_ISAC_ALE;
+ hw->isac.a.io.port = (u32)hw->cfg.start + DIVA_ISAC_PORT;
+ hw->hscx.mode = hw->cfg.mode;
+ hw->hscx.a.io.ale = (u32)hw->cfg.start + DIVA_HSCX_ALE;
+ hw->hscx.a.io.port = (u32)hw->cfg.start + DIVA_HSCX_PORT;
+ break;
+ case INF_DIVA201:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.p = hw->addr.p;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.p = hw->addr.p;
+ break;
+ case INF_DIVA202:
+ hw->ipac.type = IPAC_TYPE_IPACX;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.p = hw->addr.p;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.p = hw->addr.p;
+ break;
+ case INF_SPEEDWIN:
+ case INF_SAPHIR3:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->cfg.mode;
+ hw->isac.a.io.ale = (u32)hw->cfg.start + TIGER_IPAC_ALE;
+ hw->isac.a.io.port = (u32)hw->cfg.start + TIGER_IPAC_PORT;
+ hw->hscx.mode = hw->cfg.mode;
+ hw->hscx.a.io.ale = (u32)hw->cfg.start + TIGER_IPAC_ALE;
+ hw->hscx.a.io.port = (u32)hw->cfg.start + TIGER_IPAC_PORT;
+ outb(0xff, (ulong)hw->cfg.start);
+ mdelay(1);
+ outb(0x00, (ulong)hw->cfg.start);
+ mdelay(1);
+ outb(TIGER_IOMASK, (ulong)hw->cfg.start + TIGER_AUX_CTRL);
+ break;
+ case INF_QS1000:
+ case INF_QS3000:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = (u32)hw->addr.start + 1;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = (u32)hw->addr.start;
+ hw->hscx.a.io.port = (u32)hw->addr.start + 1;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_NICCY:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.ale = (u32)hw->addr.start + NICCY_ISAC_ALE;
+ hw->isac.a.io.port = (u32)hw->addr.start + NICCY_ISAC_PORT;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = (u32)hw->addr.start + NICCY_HSCX_ALE;
+ hw->hscx.a.io.port = (u32)hw->addr.start + NICCY_HSCX_PORT;
+ break;
+ case INF_SCT_1:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_2:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x08;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_3:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x10;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_SCT_4:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.a.io.ale = (u32)hw->addr.start + 0x20;
+ hw->isac.a.io.port = hw->isac.a.io.ale + 4;
+ hw->isac.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ hw->hscx.mode = hw->addr.mode;
+ break;
+ case INF_GAZEL_R685:
+ hw->ipac.type = IPAC_TYPE_ISAC | IPAC_TYPE_HSCX;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.port = (u32)hw->addr.start;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ break;
+ case INF_GAZEL_R753:
+ hw->ipac.type = IPAC_TYPE_IPAC;
+ hw->ipac.isac.off = 0x80;
+ hw->isac.mode = hw->addr.mode;
+ hw->isac.a.io.ale = (u32)hw->addr.start;
+ hw->isac.a.io.port = (u32)hw->addr.start + GAZEL_IPAC_DATA_PORT;
+ hw->hscx.mode = hw->addr.mode;
+ hw->hscx.a.io.ale = hw->isac.a.io.ale;
+ hw->hscx.a.io.port = hw->isac.a.io.port;
+ break;
+ default:
+ return -EINVAL;
+ }
+ switch (hw->isac.mode) {
+ case AM_MEMIO:
+ ASSIGN_FUNC_IPAC(MIO, hw->ipac);
+ break;
+ case AM_IND_IO:
+ ASSIGN_FUNC_IPAC(IND, hw->ipac);
+ break;
+ case AM_IO:
+ ASSIGN_FUNC_IPAC(IO, hw->ipac);
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void
+release_card(struct inf_hw *card) {
+ ulong flags;
+ int i;
+
+ spin_lock_irqsave(&card->lock, flags);
+ disable_hwirq(card);
+ spin_unlock_irqrestore(&card->lock, flags);
+ card->ipac.isac.release(&card->ipac.isac);
+ free_irq(card->irq, card);
+ mISDN_unregister_device(&card->ipac.isac.dch.dev);
+ release_io(card);
+ write_lock_irqsave(&card_lock, flags);
+ list_del(&card->list);
+ write_unlock_irqrestore(&card_lock, flags);
+ switch (card->ci->typ) {
+ case INF_SCT_2:
+ case INF_SCT_3:
+ case INF_SCT_4:
+ break;
+ case INF_SCT_1:
+ for (i = 0; i < 3; i++) {
+ if (card->sc[i])
+ release_card(card->sc[i]);
+ card->sc[i] = NULL;
+ }
+ fallthrough;
+ default:
+ pci_disable_device(card->pdev);
+ pci_set_drvdata(card->pdev, NULL);
+ break;
+ }
+ kfree(card);
+ inf_cnt--;
+}
+
+static int
+setup_instance(struct inf_hw *card)
+{
+ int err;
+ ulong flags;
+
+ snprintf(card->name, MISDN_MAX_IDLEN - 1, "%s.%d", card->ci->name,
+ inf_cnt + 1);
+ write_lock_irqsave(&card_lock, flags);
+ list_add_tail(&card->list, &Cards);
+ write_unlock_irqrestore(&card_lock, flags);
+
+ _set_debug(card);
+ card->ipac.isac.name = card->name;
+ card->ipac.name = card->name;
+ card->ipac.owner = THIS_MODULE;
+ spin_lock_init(&card->lock);
+ card->ipac.isac.hwlock = &card->lock;
+ card->ipac.hwlock = &card->lock;
+ card->ipac.ctrl = (void *)&inf_ctrl;
+
+ err = setup_io(card);
+ if (err)
+ goto error_setup;
+
+ card->ipac.isac.dch.dev.Bprotocols =
+ mISDNipac_init(&card->ipac, card);
+
+ if (card->ipac.isac.dch.dev.Bprotocols == 0)
+ goto error_setup;
+
+ err = mISDN_register_device(&card->ipac.isac.dch.dev,
+ &card->pdev->dev, card->name);
+ if (err)
+ goto error;
+
+ err = init_irq(card);
+ if (!err) {
+ inf_cnt++;
+ pr_notice("Infineon %d cards installed\n", inf_cnt);
+ return 0;
+ }
+ mISDN_unregister_device(&card->ipac.isac.dch.dev);
+error:
+ card->ipac.release(&card->ipac);
+error_setup:
+ release_io(card);
+ write_lock_irqsave(&card_lock, flags);
+ list_del(&card->list);
+ write_unlock_irqrestore(&card_lock, flags);
+ return err;
+}
+
+static const struct inf_cinfo inf_card_info[] = {
+ {
+ INF_DIVA20,
+ "Dialogic Diva 2.0",
+ "diva20",
+ AM_IND_IO, AM_NONE, 2, 0,
+ &diva_irq
+ },
+ {
+ INF_DIVA20U,
+ "Dialogic Diva 2.0U",
+ "diva20U",
+ AM_IND_IO, AM_NONE, 2, 0,
+ &diva_irq
+ },
+ {
+ INF_DIVA201,
+ "Dialogic Diva 2.01",
+ "diva201",
+ AM_MEMIO, AM_MEMIO, 0, 1,
+ &diva20x_irq
+ },
+ {
+ INF_DIVA202,
+ "Dialogic Diva 2.02",
+ "diva202",
+ AM_MEMIO, AM_MEMIO, 0, 1,
+ &diva20x_irq
+ },
+ {
+ INF_SPEEDWIN,
+ "Sedlbauer SpeedWin PCI",
+ "speedwin",
+ AM_IND_IO, AM_NONE, 0, 0,
+ &tiger_irq
+ },
+ {
+ INF_SAPHIR3,
+ "HST Saphir 3",
+ "saphir",
+ AM_IND_IO, AM_NONE, 0, 0,
+ &tiger_irq
+ },
+ {
+ INF_QS1000,
+ "Develo Microlink PCI",
+ "qs1000",
+ AM_IO, AM_IND_IO, 1, 3,
+ &elsa_irq
+ },
+ {
+ INF_QS3000,
+ "Develo QuickStep 3000",
+ "qs3000",
+ AM_IO, AM_IND_IO, 1, 3,
+ &elsa_irq
+ },
+ {
+ INF_NICCY,
+ "Sagem NICCY",
+ "niccy",
+ AM_IO, AM_IND_IO, 0, 1,
+ &niccy_irq
+ },
+ {
+ INF_SCT_1,
+ "SciTel Quadro",
+ "p1_scitel",
+ AM_IO, AM_IND_IO, 1, 5,
+ &ipac_irq
+ },
+ {
+ INF_SCT_2,
+ "SciTel Quadro",
+ "p2_scitel",
+ AM_NONE, AM_IND_IO, 0, 4,
+ &ipac_irq
+ },
+ {
+ INF_SCT_3,
+ "SciTel Quadro",
+ "p3_scitel",
+ AM_NONE, AM_IND_IO, 0, 3,
+ &ipac_irq
+ },
+ {
+ INF_SCT_4,
+ "SciTel Quadro",
+ "p4_scitel",
+ AM_NONE, AM_IND_IO, 0, 2,
+ &ipac_irq
+ },
+ {
+ INF_GAZEL_R685,
+ "Gazel R685",
+ "gazel685",
+ AM_IO, AM_IO, 1, 2,
+ &gazel_irq
+ },
+ {
+ INF_GAZEL_R753,
+ "Gazel R753",
+ "gazel753",
+ AM_IO, AM_IND_IO, 1, 2,
+ &ipac_irq
+ },
+ {
+ INF_NONE,
+ }
+};
+
+static const struct inf_cinfo *
+get_card_info(enum inf_types typ)
+{
+ const struct inf_cinfo *ci = inf_card_info;
+
+ while (ci->typ != INF_NONE) {
+ if (ci->typ == typ)
+ return ci;
+ ci++;
+ }
+ return NULL;
+}
+
+static int
+inf_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ int err = -ENOMEM;
+ struct inf_hw *card;
+
+ card = kzalloc(sizeof(struct inf_hw), GFP_KERNEL);
+ if (!card) {
+ pr_info("No memory for Infineon ISDN card\n");
+ return err;
+ }
+ card->pdev = pdev;
+ err = pci_enable_device(pdev);
+ if (err) {
+ kfree(card);
+ return err;
+ }
+ card->ci = get_card_info(ent->driver_data);
+ if (!card->ci) {
+ pr_info("mISDN: do not have information about adapter at %s\n",
+ pci_name(pdev));
+ kfree(card);
+ pci_disable_device(pdev);
+ return -EINVAL;
+ } else
+ pr_notice("mISDN: found adapter %s at %s\n",
+ card->ci->full, pci_name(pdev));
+
+ card->irq = pdev->irq;
+ pci_set_drvdata(pdev, card);
+ err = setup_instance(card);
+ if (err) {
+ pci_disable_device(pdev);
+ kfree(card);
+ pci_set_drvdata(pdev, NULL);
+ } else if (ent->driver_data == INF_SCT_1) {
+ int i;
+ struct inf_hw *sc;
+
+ for (i = 1; i < 4; i++) {
+ sc = kzalloc(sizeof(struct inf_hw), GFP_KERNEL);
+ if (!sc) {
+ release_card(card);
+ pci_disable_device(pdev);
+ return -ENOMEM;
+ }
+ sc->irq = card->irq;
+ sc->pdev = card->pdev;
+ sc->ci = card->ci + i;
+ err = setup_instance(sc);
+ if (err) {
+ pci_disable_device(pdev);
+ kfree(sc);
+ release_card(card);
+ break;
+ } else
+ card->sc[i - 1] = sc;
+ }
+ }
+ return err;
+}
+
+static void
+inf_remove(struct pci_dev *pdev)
+{
+ struct inf_hw *card = pci_get_drvdata(pdev);
+
+ if (card)
+ release_card(card);
+ else
+ pr_debug("%s: drvdata already removed\n", __func__);
+}
+
+static struct pci_driver infineon_driver = {
+ .name = "ISDN Infineon pci",
+ .probe = inf_probe,
+ .remove = inf_remove,
+ .id_table = infineon_ids,
+};
+
+static int __init
+infineon_init(void)
+{
+ int err;
+
+ pr_notice("Infineon ISDN Driver Rev. %s\n", INFINEON_REV);
+ err = pci_register_driver(&infineon_driver);
+ return err;
+}
+
+static void __exit
+infineon_cleanup(void)
+{
+ pci_unregister_driver(&infineon_driver);
+}
+
+module_init(infineon_init);
+module_exit(infineon_cleanup);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-19 23:13:45 +0000