diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/u132-hcd.c | 92 | ||||
| -rw-r--r-- | drivers/usb/misc/ftdi-elan.c | 592 |
2 files changed, 425 insertions, 259 deletions
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c index a9d7119..a7fa0d7 100644 --- a/drivers/usb/host/u132-hcd.c +++ b/drivers/usb/host/u132-hcd.c @@ -40,6 +40,7 @@ #include <linux/moduleparam.h> #include <linux/delay.h> #include <linux/ioport.h> +#include <linux/pci_ids.h> #include <linux/sched.h> #include <linux/slab.h> #include <linux/smp_lock.h> @@ -210,15 +211,16 @@ struct u132 { * these cannot be inlines because we need the structure offset!! * Does anyone have a better way????? */ +#define ftdi_read_pcimem(pdev, member, data) usb_ftdi_elan_read_pcimem(pdev, \ + offsetof(struct ohci_regs, member), 0, data); +#define ftdi_write_pcimem(pdev, member, data) usb_ftdi_elan_write_pcimem(pdev, \ + offsetof(struct ohci_regs, member), 0, data); #define u132_read_pcimem(u132, member, data) \ usb_ftdi_elan_read_pcimem(u132->platform_dev, offsetof(struct \ ohci_regs, member), 0, data); #define u132_write_pcimem(u132, member, data) \ usb_ftdi_elan_write_pcimem(u132->platform_dev, offsetof(struct \ ohci_regs, member), 0, data); -#define u132_write_pcimem_byte(u132, member, data) \ - usb_ftdi_elan_write_pcimem(u132->platform_dev, offsetof(struct \ - ohci_regs, member), 0x0e, data); static inline struct u132 *udev_to_u132(struct u132_udev *udev) { u8 udev_number = udev->udev_number; @@ -1574,59 +1576,12 @@ static char *hcfs2string(int state) return "?"; } -static int u132_usb_reset(struct u132 *u132) -{ - int retval; - retval = u132_read_pcimem(u132, control, &u132->hc_control); - if (retval) - return retval; - u132->hc_control &= OHCI_CTRL_RWC; - retval = u132_write_pcimem(u132, control, u132->hc_control); - if (retval) - return retval; - return 0; -} - static int u132_init(struct u132 *u132) { int retval; u32 control; u132_disable(u132); - u132->next_statechange = - jiffies; /* SMM owns the HC? not for long! */ { - u32 control; - retval = u132_read_pcimem(u132, control, &control); - if (retval) - return retval; - if (control & OHCI_CTRL_IR) { - u32 temp = 50; - retval = u132_write_pcimem(u132, intrenable, - OHCI_INTR_OC); - if (retval) - return retval; - retval = u132_write_pcimem_byte(u132, cmdstatus, - OHCI_OCR); - if (retval) - return retval; - check:{ - retval = u132_read_pcimem(u132, control, - &control); - if (retval) - return retval; - } - if (control & OHCI_CTRL_IR) { - msleep(10); - if (--temp == 0) { - dev_err(&u132->platform_dev->dev, "USB " - "HC takeover failed!(BIOS/SMM b" - "ug) control=%08X\n", control); - return -EBUSY; - } - goto check; - } - u132_usb_reset(u132); - } - } + u132->next_statechange = jiffies; retval = u132_write_pcimem(u132, intrdisable, OHCI_INTR_MIE); if (retval) return retval; @@ -1725,7 +1680,7 @@ static int u132_run(struct u132 *u132) retry:retval = u132_read_pcimem(u132, cmdstatus, &status); if (retval) return retval; - retval = u132_write_pcimem_byte(u132, cmdstatus, OHCI_HCR); + retval = u132_write_pcimem(u132, cmdstatus, OHCI_HCR); if (retval) return retval; extra:{ @@ -1782,7 +1737,7 @@ static int u132_run(struct u132 *u132) retval = u132_write_pcimem(u132, control, u132->hc_control); if (retval) return retval; - retval = u132_write_pcimem_byte(u132, cmdstatus, OHCI_BLF); + retval = u132_write_pcimem(u132, cmdstatus, OHCI_BLF); if (retval) return retval; retval = u132_read_pcimem(u132, cmdstatus, &cmdstatus); @@ -1839,8 +1794,8 @@ static void u132_hcd_stop(struct usb_hcd *hcd) { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 1) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p) has b" + "een removed %d\n", u132, hcd, u132->going); } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov" "ed\n", hcd); @@ -2545,8 +2500,9 @@ static void u132_endpoint_disable(struct usb_hcd *hcd, { struct u132 *u132 = hcd_to_u132(hcd); if (u132->going > 2) { - dev_err(&u132->platform_dev->dev, "device has been removed %d\n" - , u132->going); + dev_err(&u132->platform_dev->dev, "u132 device %p(hcd=%p hep=%p" + ") has been removed %d\n", u132, hcd, hep, + u132->going); } else { struct u132_endp *endp = hep->hcpriv; if (endp) @@ -2790,7 +2746,6 @@ static int u132_hub_status_data(struct usb_hcd *hcd, char *buf) } else if (u132->going > 0) { dev_err(&u132->platform_dev->dev, "device hcd=%p is being remov" "ed\n", hcd); - dump_stack(); return -ESHUTDOWN; } else { int i, changed = 0, length = 1; @@ -3034,12 +2989,15 @@ static int __devexit u132_remove(struct platform_device *pdev) struct usb_hcd *hcd = platform_get_drvdata(pdev); if (hcd) { struct u132 *u132 = hcd_to_u132(hcd); - dump_stack(); if (u132->going++ > 1) { + dev_err(&u132->platform_dev->dev, "already being remove" + "d\n"); return -ENODEV; } else { int rings = MAX_U132_RINGS; int endps = MAX_U132_ENDPS; + dev_err(&u132->platform_dev->dev, "removing device u132" + ".%d\n", u132->sequence_num); msleep(100); down(&u132->sw_lock); u132_monitor_cancel_work(u132); @@ -3121,10 +3079,24 @@ static void u132_initialise(struct u132 *u132, struct platform_device *pdev) static int __devinit u132_probe(struct platform_device *pdev) { struct usb_hcd *hcd; + int retval; + u32 control; + u32 rh_a = -1; + u32 num_ports; msleep(100); if (u132_exiting > 0) { return -ENODEV; - } /* refuse to confuse usbcore */ + } + retval = ftdi_write_pcimem(pdev, intrdisable, OHCI_INTR_MIE); + if (retval) + return retval; + retval = ftdi_read_pcimem(pdev, control, &control); + if (retval) + return retval; + retval = ftdi_read_pcimem(pdev, roothub.a, &rh_a); + if (retval) + return retval; + num_ports = rh_a & RH_A_NDP; /* refuse to confuse usbcore */ if (pdev->dev.dma_mask) { return -EINVAL; } diff --git a/drivers/usb/misc/ftdi-elan.c b/drivers/usb/misc/ftdi-elan.c index 18b1925..41c0161 100644 --- a/drivers/usb/misc/ftdi-elan.c +++ b/drivers/usb/misc/ftdi-elan.c @@ -40,6 +40,7 @@ #include <linux/init.h> #include <linux/list.h> #include <linux/ioctl.h> +#include <linux/pci_ids.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/kref.h> @@ -51,6 +52,10 @@ MODULE_AUTHOR("Tony Olech"); MODULE_DESCRIPTION("FTDI ELAN driver"); MODULE_LICENSE("GPL"); #define INT_MODULE_PARM(n, v) static int n = v;module_param(n, int, 0444) +static int distrust_firmware = 1; +module_param(distrust_firmware, bool, 0); +MODULE_PARM_DESC(distrust_firmware, "true to distrust firmware power/overcurren" + "t setup"); extern struct platform_driver u132_platform_driver; static struct workqueue_struct *status_queue; static struct workqueue_struct *command_queue; @@ -66,7 +71,9 @@ static struct list_head ftdi_static_list; * end of the global variables protected by ftdi_module_lock */ #include "usb_u132.h" -#define TD_DEVNOTRESP 5 +#include <asm/io.h> +#include "../core/hcd.h" +#include "../host/ohci.h" /* Define these values to match your devices*/ #define USB_FTDI_ELAN_VENDOR_ID 0x0403 #define USB_FTDI_ELAN_PRODUCT_ID 0xd6ea @@ -551,7 +558,7 @@ static void ftdi_elan_status_work(struct work_struct *work) } else { dev_err(&ftdi->udev->dev, "initialized failed - trying " "again in 10 seconds\n"); - work_delay_in_msec = 10 *1000; + work_delay_in_msec = 1 *1000; } } else if (ftdi->registered == 0) { work_delay_in_msec = 10; @@ -2288,82 +2295,288 @@ static int ftdi_elan_checkingPCI(struct usb_ftdi *ftdi) } } -static int ftdi_elan_enumeratePCI(struct usb_ftdi *ftdi) + +#define ftdi_read_pcimem(ftdi, member, data) ftdi_elan_read_pcimem(ftdi, \ + offsetof(struct ohci_regs, member), 0, data); +#define ftdi_write_pcimem(ftdi, member, data) ftdi_elan_write_pcimem(ftdi, \ + offsetof(struct ohci_regs, member), 0, data); +#define OHCI_QUIRK_AMD756 0x01 +#define OHCI_QUIRK_SUPERIO 0x02 +#define OHCI_QUIRK_INITRESET 0x04 +#define OHCI_BIG_ENDIAN 0x08 +#define OHCI_QUIRK_ZFMICRO 0x10 +#define OHCI_CONTROL_INIT OHCI_CTRL_CBSR +#define OHCI_INTR_INIT (OHCI_INTR_MIE | OHCI_INTR_UE | OHCI_INTR_RD | \ + OHCI_INTR_WDH) +static int ftdi_elan_check_controller(struct usb_ftdi *ftdi, int quirk) +{ + int devices = 0; + int retval; + u32 hc_control; + int num_ports; + u32 control; + u32 rh_a = -1; + u32 status; + u32 fminterval; + u32 hc_fminterval; + u32 periodicstart; + u32 cmdstatus; + u32 roothub_a; + int mask = OHCI_INTR_INIT; + int sleep_time = 0; + int reset_timeout = 30; /* ... allow extra time */ + int temp; + retval = ftdi_write_pcimem(ftdi, intrdisable, OHCI_INTR_MIE); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, roothub.a, &rh_a); + if (retval) + return retval; + num_ports = rh_a & RH_A_NDP; + retval = ftdi_read_pcimem(ftdi, fminterval, &hc_fminterval); + if (retval) + return retval; + hc_fminterval &= 0x3fff; + if (hc_fminterval != FI) { + } + hc_fminterval |= FSMP(hc_fminterval) << 16; + retval = ftdi_read_pcimem(ftdi, control, &hc_control); + if (retval) + return retval; + switch (hc_control & OHCI_CTRL_HCFS) { + case OHCI_USB_OPER: + sleep_time = 0; + break; + case OHCI_USB_SUSPEND: + case OHCI_USB_RESUME: + hc_control &= OHCI_CTRL_RWC; + hc_control |= OHCI_USB_RESUME; + sleep_time = 10; + break; + default: + hc_control &= OHCI_CTRL_RWC; + hc_control |= OHCI_USB_RESET; + sleep_time = 50; + break; + } + retval = ftdi_write_pcimem(ftdi, control, hc_control); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + msleep(sleep_time); + retval = ftdi_read_pcimem(ftdi, roothub.a, &roothub_a); + if (retval) + return retval; + if (!(roothub_a & RH_A_NPS)) { /* power down each port */ + for (temp = 0; temp < num_ports; temp++) { + retval = ftdi_write_pcimem(ftdi, + roothub.portstatus[temp], RH_PS_LSDA); + if (retval) + return retval; + } + } + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + retry:retval = ftdi_read_pcimem(ftdi, cmdstatus, &status); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, cmdstatus, OHCI_HCR); + if (retval) + return retval; + extra:{ + retval = ftdi_read_pcimem(ftdi, cmdstatus, &status); + if (retval) + return retval; + if (0 != (status & OHCI_HCR)) { + if (--reset_timeout == 0) { + dev_err(&ftdi->udev->dev, "USB HC reset timed o" + "ut!\n"); + return -ENODEV; + } else { + msleep(5); + goto extra; + } + } + } + if (quirk & OHCI_QUIRK_INITRESET) { + retval = ftdi_write_pcimem(ftdi, control, hc_control); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + } + retval = ftdi_write_pcimem(ftdi, ed_controlhead, 0x00000000); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, ed_bulkhead, 0x11000000); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, hcca, 0x00000000); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, fminterval, &fminterval); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, fminterval, + ((fminterval & FIT) ^ FIT) | hc_fminterval); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, periodicstart, + ((9 *hc_fminterval) / 10) & 0x3fff); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, fminterval, &fminterval); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, periodicstart, &periodicstart); + if (retval) + return retval; + if (0 == (fminterval & 0x3fff0000) || 0 == periodicstart) { + if (!(quirk & OHCI_QUIRK_INITRESET)) { + quirk |= OHCI_QUIRK_INITRESET; + goto retry; + } else + dev_err(&ftdi->udev->dev, "init err(%08x %04x)\n", + fminterval, periodicstart); + } /* start controller operations */ + hc_control &= OHCI_CTRL_RWC; + hc_control |= OHCI_CONTROL_INIT | OHCI_CTRL_BLE | OHCI_USB_OPER; + retval = ftdi_write_pcimem(ftdi, control, hc_control); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, cmdstatus, OHCI_BLF); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, cmdstatus, &cmdstatus); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, roothub.status, RH_HS_DRWE); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, intrstatus, mask); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, intrdisable, + OHCI_INTR_MIE | OHCI_INTR_OC | OHCI_INTR_RHSC | OHCI_INTR_FNO | + OHCI_INTR_UE | OHCI_INTR_RD | OHCI_INTR_SF | OHCI_INTR_WDH | + OHCI_INTR_SO); + if (retval) + return retval; /* handle root hub init quirks ... */ + retval = ftdi_read_pcimem(ftdi, roothub.a, &roothub_a); + if (retval) + return retval; + roothub_a &= ~(RH_A_PSM | RH_A_OCPM); + if (quirk & OHCI_QUIRK_SUPERIO) { + roothub_a |= RH_A_NOCP; + roothub_a &= ~(RH_A_POTPGT | RH_A_NPS); + retval = ftdi_write_pcimem(ftdi, roothub.a, roothub_a); + if (retval) + return retval; + } else if ((quirk & OHCI_QUIRK_AMD756) || distrust_firmware) { + roothub_a |= RH_A_NPS; + retval = ftdi_write_pcimem(ftdi, roothub.a, roothub_a); + if (retval) + return retval; + } + retval = ftdi_write_pcimem(ftdi, roothub.status, RH_HS_LPSC); + if (retval) + return retval; + retval = ftdi_write_pcimem(ftdi, roothub.b, + (roothub_a & RH_A_NPS) ? 0 : RH_B_PPCM); + if (retval) + return retval; + retval = ftdi_read_pcimem(ftdi, control, &control); + if (retval) + return retval; + mdelay((roothub_a >> 23) & 0x1fe); + for (temp = 0; temp < num_ports; temp++) { + u32 portstatus; + retval = ftdi_read_pcimem(ftdi, roothub.portstatus[temp], + &portstatus); + if (retval) + return retval; + if (1 & portstatus) + devices += 1; + } + return devices; +} + +static int ftdi_elan_setup_controller(struct usb_ftdi *ftdi, int fn) { u32 latence_timer; - u32 controlreg; int UxxxStatus; u32 pcidata; int reg = 0; - int foundOHCI = 0; - u8 fn; - int activePCIfn = 0; - u32 pciVID = 0; - u32 pciPID = 0; - UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); - if (UxxxStatus) - return UxxxStatus; - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000000L); - if (UxxxStatus) - return UxxxStatus; - msleep(750); - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000200L | 0x100); + int activePCIfn = fn << 8; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000025FL | 0x2800); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000200L | 0x500); + reg = 16; + UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0, + 0xFFFFFFFF); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &pcidata); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020CL | 0x000); + UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0, + 0xF0000000); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020DL | 0x000); + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &pcidata); if (UxxxStatus) return UxxxStatus; - msleep(250); - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020FL | 0x000); + reg = 12; + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &latence_timer); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + latence_timer &= 0xFFFF00FF; + latence_timer |= 0x00001600; + UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0x00, + latence_timer); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000025FL | 0x800); + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &pcidata); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + reg = 4; + UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0x00, + 0x06); if (UxxxStatus) return UxxxStatus; - UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &pcidata); if (UxxxStatus) return UxxxStatus; - msleep(1000); - for (fn = 0; (fn < 4) && (!foundOHCI); fn++) { - activePCIfn = fn << 8; - ftdi->function = fn + 1; - UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, - &pcidata); + for (reg = 0; reg <= 0x54; reg += 4) { + UxxxStatus = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); if (UxxxStatus) return UxxxStatus; - pciVID = pcidata & 0xFFFF; - pciPID = (pcidata >> 16) & 0xFFFF; - if ((pciVID == 0x1045) && (pciPID == 0xc861)) { - foundOHCI = 1; - } else if ((pciVID == 0x1033) && (pciPID == 0x0035)) { - foundOHCI = 1; - } else if ((pciVID == 0x10b9) && (pciPID == 0x5237)) { - foundOHCI = 1; - } else if ((pciVID == 0x11c1) && (pciPID == 0x5802)) { - foundOHCI = 1; - } else if ((pciVID == 0x11AB) && (pciPID == 0x1FA6)) { - } - } - if (foundOHCI == 0) { - return -ENXIO; } - ftdi->platform_data.vendor = pciVID; - ftdi->platform_data.device = pciPID; + return 0; +} + +static int ftdi_elan_close_controller(struct usb_ftdi *ftdi, int fn) +{ + u32 latence_timer; + int UxxxStatus; + u32 pcidata; + int reg = 0; + int activePCIfn = fn << 8; UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000025FL | 0x2800); if (UxxxStatus) return UxxxStatus; @@ -2377,7 +2590,7 @@ static int ftdi_elan_enumeratePCI(struct usb_ftdi *ftdi) if (UxxxStatus) return UxxxStatus; UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0, - 0xF0000000); + 0x00000000); if (UxxxStatus) return UxxxStatus; UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, @@ -2401,7 +2614,7 @@ static int ftdi_elan_enumeratePCI(struct usb_ftdi *ftdi) return UxxxStatus; reg = 4; UxxxStatus = ftdi_elan_write_config(ftdi, activePCIfn | reg, 0x00, - 0x06); + 0x00); if (UxxxStatus) return UxxxStatus; UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, @@ -2411,159 +2624,139 @@ static int ftdi_elan_enumeratePCI(struct usb_ftdi *ftdi) return 0; } +static int ftdi_elan_found_controller(struct usb_ftdi *ftdi, int fn, int quirk) +{ + int result; + int UxxxStatus; + UxxxStatus = ftdi_elan_setup_controller(ftdi, fn); + if (UxxxStatus) + return UxxxStatus; + result = ftdi_elan_check_controller(ftdi, quirk); + UxxxStatus = ftdi_elan_close_controller(ftdi, fn); + if (UxxxStatus) + return UxxxStatus; + return result; +} + +static int ftdi_elan_enumeratePCI(struct usb_ftdi *ftdi) +{ + u32 controlreg; + u8 sensebits; + int UxxxStatus; + UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000000L); + if (UxxxStatus) + return UxxxStatus; + msleep(750); + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000200L | 0x100); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x00000200L | 0x500); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020CL | 0x000); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020DL | 0x000); + if (UxxxStatus) + return UxxxStatus; + msleep(250); + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000020FL | 0x000); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_write_reg(ftdi, 0x0000025FL | 0x800); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + if (UxxxStatus) + return UxxxStatus; + UxxxStatus = ftdi_elan_read_reg(ftdi, &controlreg); + if (UxxxStatus) + return UxxxStatus; + msleep(1000); + sensebits = (controlreg >> 16) & 0x000F; + if (0x0D == sensebits) + return 0; + else + return - ENXIO; +} + static int ftdi_elan_setupOHCI(struct usb_ftdi *ftdi) { + int UxxxStatus; u32 pcidata; - int U132Status; - int reg; - int reset_repeat = 0; - do_reset:reg = 8; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x0e, 0x01); - if (U132Status) - return U132Status; - reset_check:{ - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - if (pcidata & 1) { - msleep(500); - if (reset_repeat++ > 100) { - reset_repeat = 0; - goto do_reset; - } else - goto reset_check; + int reg = 0; + u8 fn; + int activePCIfn = 0; + int max_devices = 0; + int controllers = 0; + int unrecognized = 0; + ftdi->function = 0; + for (fn = 0; (fn < 4); fn++) { + u32 pciVID = 0; + u32 pciPID = 0; + int devices = 0; + activePCIfn = fn << 8; + UxxxStatus = ftdi_elan_read_config(ftdi, activePCIfn | reg, 0, + &pcidata); + if (UxxxStatus) + return UxxxStatus; + pciVID = pcidata & 0xFFFF; + pciPID = (pcidata >> 16) & 0xFFFF; + if ((pciVID == PCI_VENDOR_ID_OPTI) && (pciPID == 0xc861)) { + devices = ftdi_elan_found_controller(ftdi, fn, 0); + controllers += 1; + } else if ((pciVID == PCI_VENDOR_ID_NEC) && (pciPID == 0x0035)) + { + devices = ftdi_elan_found_controller(ftdi, fn, 0); + controllers += 1; + } else if ((pciVID == PCI_VENDOR_ID_AL) && (pciPID == 0x5237)) { + devices = ftdi_elan_found_controller(ftdi, fn, 0); + controllers += 1; + } else if ((pciVID == PCI_VENDOR_ID_ATT) && (pciPID == 0x5802)) + { + devices = ftdi_elan_found_controller(ftdi, fn, 0); + controllers += 1; + } else if (pciVID == PCI_VENDOR_ID_AMD && pciPID == 0x740c) { + devices = ftdi_elan_found_controller(ftdi, fn, + OHCI_QUIRK_AMD756); + controllers += 1; + } else if (pciVID == PCI_VENDOR_ID_COMPAQ && pciPID == 0xa0f8) { + devices = ftdi_elan_found_controller(ftdi, fn, + OHCI_QUIRK_ZFMICRO); + controllers += 1; + } else if (0 == pcidata) { + } else + unrecognized += 1; + if (devices > max_devices) { + max_devices = devices; + ftdi->function = fn + 1; + ftdi->platform_data.vendor = pciVID; + ftdi->platform_data.device = pciPID; } } - goto dump_regs; - msleep(500); - reg = 0x28; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x11000000); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x40; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x2edf); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x34; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x2edf2edf); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 4; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0xA0); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - msleep(250); - reg = 8; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x0e, 0x04); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x28; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 8; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x48; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x00001200); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x54; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x58; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x34; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x28002edf); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - msleep(100); - reg = 0x50; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x10000); - if (U132Status) - return U132Status; - reg = 0x54; - power_check:U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - if (!(pcidata & 1)) { - msleep(500); - goto power_check; - } - msleep(3000); - reg = 0x54; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x58; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x54; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x02); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x54; - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x10); - if (U132Status) - return U132Status; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - msleep(750); - reg = 0x54; - if (0) { - U132Status = ftdi_elan_write_pcimem(ftdi, reg, 0x00, 0x02); - if (U132Status) - return U132Status; - } - if (0) { - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - } - reg = 0x54; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - reg = 0x58; - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; - dump_regs:for (reg = 0; reg <= 0x54; reg += 4) { - U132Status = ftdi_elan_read_pcimem(ftdi, reg, 0, &pcidata); - if (U132Status) - return U132Status; + if (ftdi->function > 0) { + UxxxStatus = ftdi_elan_setup_controller(ftdi, + ftdi->function - 1); + if (UxxxStatus) + return UxxxStatus; + return 0; + } else if (controllers > 0) { + return -ENXIO; + } else if (unrecognized > 0) { + return -ENXIO; + } else { + ftdi->enumerated = 0; + return -ENXIO; } - return 0; } @@ -2688,6 +2881,7 @@ static void ftdi_elan_disconnect(struct usb_interface *interface) platform_device_unregister(&ftdi->platform_dev); ftdi->synchronized = 0; ftdi->enumerated = 0; + ftdi->initialized = 0; ftdi->registered = 0; } flush_workqueue(status_queue); |
