diff options
35 files changed, 510 insertions, 2032 deletions
diff --git a/Documentation/power/video.txt b/Documentation/power/video.txt index d18a57d1a531..43a889f8f08d 100644 --- a/Documentation/power/video.txt +++ b/Documentation/power/video.txt @@ -140,7 +140,7 @@ IBM TP T41p s3_bios (2), switch to X after resume IBM TP T42 s3_bios (2) IBM ThinkPad T42p (2373-GTG) s3_bios (2) IBM TP X20 ??? (*) -IBM TP X30 s3_bios (2) +IBM TP X30 s3_bios, s3_mode (4) IBM TP X31 / Type 2672-XXH none (1), use radeontool (http://fdd.com/software/radeon/) to turn off backlight. IBM TP X32 none (1), but backlight is on and video is trashed after long suspend. s3_bios,s3_mode (4) works too. Perhaps that gets better results? IBM Thinkpad X40 Type 2371-7JG s3_bios,s3_mode (4) diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index 18ec9fe6deb6..c6fe99e57a05 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -467,7 +467,7 @@ endchoice choice depends on EXPERIMENTAL && !X86_PAE - prompt "Memory split" + prompt "Memory split" if EMBEDDED default VMSPLIT_3G help Select the desired split between kernel and user memory. @@ -756,7 +756,7 @@ config PHYSICAL_START config HOTPLUG_CPU bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" - depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER && !X86_PC + depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. diff --git a/arch/i386/kernel/kprobes.c b/arch/i386/kernel/kprobes.c index 043f5292e70a..38806f427849 100644 --- a/arch/i386/kernel/kprobes.c +++ b/arch/i386/kernel/kprobes.c @@ -242,10 +242,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) kcb->kprobe_status = KPROBE_REENTER; return 1; } else { - if (regs->eflags & VM_MASK) { - /* We are in virtual-8086 mode. Return 0 */ - goto no_kprobe; - } if (*addr != BREAKPOINT_INSTRUCTION) { /* The breakpoint instruction was removed by * another cpu right after we hit, no further @@ -265,11 +261,6 @@ static int __kprobes kprobe_handler(struct pt_regs *regs) p = get_kprobe(addr); if (!p) { - if (regs->eflags & VM_MASK) { - /* We are in virtual-8086 mode. Return 0 */ - goto no_kprobe; - } - if (*addr != BREAKPOINT_INSTRUCTION) { /* * The breakpoint instruction was removed right @@ -452,10 +443,11 @@ static void __kprobes resume_execution(struct kprobe *p, *tos &= ~(TF_MASK | IF_MASK); *tos |= kcb->kprobe_old_eflags; break; - case 0xc3: /* ret/lret */ - case 0xcb: - case 0xc2: + case 0xc2: /* iret/ret/lret */ + case 0xc3: case 0xca: + case 0xcb: + case 0xcf: case 0xea: /* jmp absolute -- eip is correct */ /* eip is already adjusted, no more changes required */ p->ainsn.boostable = 1; @@ -463,10 +455,13 @@ static void __kprobes resume_execution(struct kprobe *p, case 0xe8: /* call relative - Fix return addr */ *tos = orig_eip + (*tos - copy_eip); break; + case 0x9a: /* call absolute -- same as call absolute, indirect */ + *tos = orig_eip + (*tos - copy_eip); + goto no_change; case 0xff: if ((p->ainsn.insn[1] & 0x30) == 0x10) { - /* call absolute, indirect */ /* + * call absolute, indirect * Fix return addr; eip is correct. * But this is not boostable */ diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c index a6969903f2d6..825b2b4ca721 100644 --- a/arch/i386/kernel/smpboot.c +++ b/arch/i386/kernel/smpboot.c @@ -313,7 +313,9 @@ static void __init synchronize_tsc_bp (void) if (tsc_values[i] < avg) realdelta = -realdelta; - printk(KERN_INFO "CPU#%d had %ld usecs TSC skew, fixed it up.\n", i, realdelta); + if (realdelta > 0) + printk(KERN_INFO "CPU#%d had %ld usecs TSC " + "skew, fixed it up.\n", i, realdelta); } sum += delta; diff --git a/arch/s390/kernel/compat_signal.c b/arch/s390/kernel/compat_signal.c index 5291b5f8788d..b4c815d8ef75 100644 --- a/arch/s390/kernel/compat_signal.c +++ b/arch/s390/kernel/compat_signal.c @@ -430,7 +430,7 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs * regs, size_t frame_size) /* This is the X/Open sanctioned signal stack switching. */ if (ka->sa.sa_flags & SA_ONSTACK) { - if (! on_sig_stack(sp)) + if (! sas_ss_flags(sp)) sp = current->sas_ss_sp + current->sas_ss_size; } diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index 199da68bd7be..ef5b9c44b86b 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -1608,3 +1608,45 @@ compat_sys_ppoll_wrapper: sys_unshare_wrapper: llgfr %r2,%r2 # unsigned long jg sys_unshare + + .globl compat_sys_set_robust_list_wrapper +compat_sys_set_robust_list_wrapper: + llgtr %r2,%r2 # struct compat_robust_list_head * + llgfr %r3,%r3 # size_t + jg compat_sys_set_robust_list + + .globl compat_sys_get_robust_list_wrapper +compat_sys_get_robust_list_wrapper: + lgfr %r2,%r2 # int + llgtr %r3,%r3 # compat_uptr_t_t * + llgtr %r4,%r4 # compat_size_t * + jg compat_sys_get_robust_list + + .globl sys_splice_wrapper +sys_splice_wrapper: + lgfr %r2,%r2 # int + llgtr %r3,%r3 # loff_t * + lgfr %r4,%r4 # int + llgtr %r5,%r5 # loff_t * + llgfr %r6,%r6 # size_t + llgf %r0,164(%r15) # unsigned int + stg %r0,160(%r15) + jg sys_splice + + .globl sys_sync_file_range_wrapper +sys_sync_file_range_wrapper: + lgfr %r2,%r2 # int + sllg %r3,%r3,32 # get high word of 64bit loff_t + or %r3,%r4 # get low word of 64bit loff_t + sllg %r4,%r5,32 # get high word of 64bit loff_t + or %r4,%r6 # get low word of 64bit loff_t + llgf %r5,164(%r15) # unsigned int + jg sys_sync_file_range + + .globl sys_tee_wrapper +sys_tee_wrapper: + lgfr %r2,%r2 # int + lgfr %r3,%r3 # int + llgfr %r4,%r4 # size_t + llgfr %r5,%r5 # unsigned int + jg sys_tee diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S index 2f56654da821..fc2c0767202b 100644 --- a/arch/s390/kernel/syscalls.S +++ b/arch/s390/kernel/syscalls.S @@ -312,3 +312,8 @@ SYSCALL(sys_faccessat,sys_faccessat,sys_faccessat_wrapper) /* 300 */ SYSCALL(sys_pselect6,sys_pselect6,compat_sys_pselect6_wrapper) SYSCALL(sys_ppoll,sys_ppoll,compat_sys_ppoll_wrapper) SYSCALL(sys_unshare,sys_unshare,sys_unshare_wrapper) +SYSCALL(sys_set_robust_list,sys_set_robust_list,compat_sys_set_robust_list_wrapper) +SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapper) +SYSCALL(sys_splice,sys_splice,sys_splice_wrapper) +SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper) +SYSCALL(sys_tee,sys_tee,sys_tee_wrapper) diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 9289face3027..9f34bb54c051 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -58,9 +58,11 @@ SECTIONS . = ALIGN(4096); .data.page_aligned : { *(.data.idt) } - . = ALIGN(32); + . = ALIGN(256); .data.cacheline_aligned : { *(.data.cacheline_aligned) } + . = ALIGN(256); + .data.read_mostly : { *(.data.read_mostly) } _edata = .; /* End of data section */ . = ALIGN(8192); /* init_task */ diff --git a/arch/s390/mm/extmem.c b/arch/s390/mm/extmem.c index a9566bcab682..9b11e3e20903 100644 --- a/arch/s390/mm/extmem.c +++ b/arch/s390/mm/extmem.c @@ -192,6 +192,7 @@ query_segment_type (struct dcss_segment *seg) diag_cc = dcss_diag (DCSS_SEGEXT, qin, &dummy, &vmrc); if (diag_cc > 1) { + PRINT_WARN ("segment_type: diag returned error %ld\n", vmrc); rc = dcss_diag_translate_rc (vmrc); goto out_free; } @@ -553,7 +554,7 @@ segment_save(char *name) int endpfn = 0; char cmd1[160]; char cmd2[80]; - int i; + int i, response; if (!MACHINE_IS_VM) return; @@ -576,8 +577,20 @@ segment_save(char *name) segtype_string[seg->range[i].start & 0xff]); } sprintf(cmd2, "SAVESEG %s", name); - cpcmd(cmd1, NULL, 0, NULL); - cpcmd(cmd2, NULL, 0, NULL); + response = 0; + cpcmd(cmd1, NULL, 0, &response); + if (response) { + PRINT_ERR("segment_save: DEFSEG failed with response code %i\n", + response); + goto out; + } + cpcmd(cmd2, NULL, 0, &response); + if (response) { + PRINT_ERR("segment_save: SAVESEG failed with response code %i\n", + response); + goto out; + } +out: spin_unlock(&dcss_lock); } diff --git a/drivers/char/mwave/mwavedd.c b/drivers/char/mwave/mwavedd.c index 8666171e187b..d3ba2f860ef0 100644 --- a/drivers/char/mwave/mwavedd.c +++ b/drivers/char/mwave/mwavedd.c @@ -271,7 +271,7 @@ static int mwave_ioctl(struct inode *inode, struct file *file, ipcnum, pDrvData->IPCs[ipcnum].usIntCount); - if (ipcnum > ARRAY_SIZE(pDrvData->IPCs)) { + if (ipcnum >= ARRAY_SIZE(pDrvData->IPCs)) { PRINTK_ERROR(KERN_ERR_MWAVE "mwavedd::mwave_ioctl:" " IOCTL_MW_REGISTER_IPC:" diff --git a/drivers/char/tipar.c b/drivers/char/tipar.c index eb2eb3e12d6a..079db5a935a1 100644 --- a/drivers/char/tipar.c +++ b/drivers/char/tipar.c @@ -515,7 +515,7 @@ tipar_init_module(void) err = PTR_ERR(tipar_class); goto out_chrdev; } - if (parport_register_driver(&tipar_driver) || tp_count == 0) { + if (parport_register_driver(&tipar_driver)) { printk(KERN_ERR "tipar: unable to register with parport\n"); err = -EIO; goto out_class; diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c index bd0308e89815..a2f05f485156 100644 --- a/drivers/pcmcia/i82365.c +++ b/drivers/pcmcia/i82365.c @@ -509,7 +509,8 @@ static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs) static u_int __init test_irq(u_short sock, int irq) { debug(2, " testing ISA irq %d\n", irq); - if (request_irq(irq, i365_count_irq, 0, "scan", i365_count_irq) != 0) + if (request_irq(irq, i365_count_irq, SA_PROBEIRQ, "scan", + i365_count_irq) != 0) return 1; irq_hits = 0; irq_sock = sock; msleep(10); @@ -561,7 +562,7 @@ static u_int __init isa_scan(u_short sock, u_int mask0) } else { /* Fallback: just find interrupts that aren't in use */ for (i = 0; i < 16; i++) - if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0)) + if ((mask0 & (1 << i)) && (_check_irq(i, SA_PROBEIRQ) == 0)) mask1 |= (1 << i); printk("default"); /* If scan failed, default to polled status */ @@ -725,7 +726,7 @@ static void __init add_pcic(int ns, int type) u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12)); for (cs_irq = 15; cs_irq > 0; cs_irq--) if ((cs_mask & (1 << cs_irq)) && - (_check_irq(cs_irq, 0) == 0)) + (_check_irq(cs_irq, SA_PROBEIRQ) == 0)) break; if (cs_irq) { grab_irq = 1; diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index a3bfebcf31ef..cfb1fff3787c 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -315,6 +315,11 @@ dasd_increase_state(struct dasd_device *device) rc = dasd_state_basic_to_ready(device); if (!rc && + device->state == DASD_STATE_UNFMT && + device->target > DASD_STATE_UNFMT) + rc = -EPERM; + + if (!rc && device->state == DASD_STATE_READY && device->target >= DASD_STATE_ONLINE) rc = dasd_state_ready_to_online(device); diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c index c1c6f1381150..216bc4fba199 100644 --- a/drivers/s390/block/dasd_devmap.c +++ b/drivers/s390/block/dasd_devmap.c @@ -45,6 +45,7 @@ struct dasd_devmap { unsigned int devindex; unsigned short features; struct dasd_device *device; + struct dasd_uid uid; }; /* @@ -716,6 +717,68 @@ dasd_discipline_show(struct device *dev, struct device_attribute *attr, char *bu static DEVICE_ATTR(discipline, 0444, dasd_discipline_show, NULL); +static ssize_t +dasd_alias_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct dasd_devmap *devmap; + int alias; + + devmap = dasd_find_busid(dev->bus_id); + spin_lock(&dasd_devmap_lock); + if (!IS_ERR(devmap)) + alias = devmap->uid.alias; + else + alias = 0; + spin_unlock(&dasd_devmap_lock); + + return sprintf(buf, alias ? "1\n" : "0\n"); +} + +static DEVICE_ATTR(alias, 0444, dasd_alias_show, NULL); + +static ssize_t +dasd_vendor_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct dasd_devmap *devmap; + char *vendor; + + devmap = dasd_find_busid(dev->bus_id); + spin_lock(&dasd_devmap_lock); + if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0) + vendor = devmap->uid.vendor; + else + vendor = ""; + spin_unlock(&dasd_devmap_lock); + + return snprintf(buf, PAGE_SIZE, "%s\n", vendor); +} + +static DEVICE_ATTR(vendor, 0444, dasd_vendor_show, NULL); + +#define UID_STRLEN ( /* vendor */ 3 + 1 + /* serial */ 14 + 1 +\ + /* SSID */ 4 + 1 + /* unit addr */ 2 + 1) + +static ssize_t +dasd_uid_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct dasd_devmap *devmap; + char uid[UID_STRLEN]; + + devmap = dasd_find_busid(dev->bus_id); + spin_lock(&dasd_devmap_lock); + if (!IS_ERR(devmap) && strlen(devmap->uid.vendor) > 0) + snprintf(uid, sizeof(uid), "%s.%s.%04x.%02x", + devmap->uid.vendor, devmap->uid.serial, + devmap->uid.ssid, devmap->uid.unit_addr); + else + uid[0] = 0; + spin_unlock(&dasd_devmap_lock); + + return snprintf(buf, PAGE_SIZE, "%s\n", uid); +} + +static DEVICE_ATTR(uid, 0444, dasd_uid_show, NULL); + /* * extended error-reporting */ @@ -759,6 +822,9 @@ static DEVICE_ATTR(eer_enabled, 0644, dasd_eer_show, dasd_eer_store); static struct attribute * dasd_attrs[] = { &dev_attr_readonly.attr, &dev_attr_discipline.attr, + &dev_attr_alias.attr, + &dev_attr_vendor.attr, + &dev_attr_uid.attr, &dev_attr_use_diag.attr, &dev_attr_eer_enabled.attr, NULL, @@ -768,6 +834,42 @@ static struct attribute_group dasd_attr_group = { .attrs = dasd_attrs, }; + +/* + * Return copy of the device unique identifier. + */ +int +dasd_get_uid(struct ccw_device *cdev, struct dasd_uid *uid) +{ + struct dasd_devmap *devmap; + + devmap = dasd_find_busid(cdev->dev.bus_id); + if (IS_ERR(devmap)) + return PTR_ERR(devmap); + spin_lock(&dasd_devmap_lock); + *uid = devmap->uid; + spin_unlock(&dasd_devmap_lock); + return 0; +} + +/* + * Register the given device unique identifier into devmap struct. + */ +int +dasd_set_uid(struct ccw_device *cdev, struct dasd_uid *uid) +{ + struct dasd_devmap *devmap; + + devmap = dasd_find_busid(cdev->dev.bus_id); + if (IS_ERR(devmap)) + return PTR_ERR(devmap); + spin_lock(&dasd_devmap_lock); + devmap->uid = *uid; + spin_unlock(&dasd_devmap_lock); + return 0; +} +EXPORT_SYMBOL(dasd_set_uid); + /* * Return value of the specified feature. */ diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index ee09ef33d08d..7d5a6cee4bd8 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -446,6 +446,39 @@ dasd_eckd_cdl_reclen(int recid) return LABEL_SIZE; } +/* + * Generate device unique id that specifies the physical device. + */ +static int +dasd_eckd_generate_uid(struct dasd_device *device, struct dasd_uid *uid) +{ + struct dasd_eckd_private *private; + struct dasd_eckd_confdata *confdata; + + private = (struct dasd_eckd_private *) device->private; + if (!private) + return -ENODEV; + confdata = &private->conf_data; + if (!confdata) + return -ENODEV; + + memset(uid, 0, sizeof(struct dasd_uid)); + strncpy(uid->vendor, confdata->ned1.HDA_manufacturer, + sizeof(uid->vendor) - 1); + EBCASC(uid->vendor, sizeof(uid->vendor) - 1); + strncpy(uid->serial, confdata->ned1.HDA_location, + sizeof(uid->serial) - 1); + EBCASC(uid->serial, sizeof(uid->serial) - 1); + uid->ssid = confdata->neq.subsystemID; + if (confdata->ned2.sneq.flags == 0x40) { + uid->alias = 1; + uid->unit_addr = confdata->ned2.sneq.base_unit_addr; + } else + uid->unit_addr = confdata->ned1.unit_addr; + + return 0; +} + static int dasd_eckd_read_conf(struct dasd_device *device) { @@ -507,11 +540,15 @@ dasd_eckd_read_conf(struct dasd_device *device) return 0; } - +/* + * Check device characteristics. + * If the device is accessible using ECKD discipline, the device is enabled. + */ static int dasd_eckd_check_characteristics(struct dasd_device *device) { struct dasd_eckd_private *private; + struct dasd_uid uid; void *rdc_data; int rc; @@ -536,6 +573,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device) /* Read Device Characteristics */ rdc_data = (void *) &(private->rdc_data); + memset(rdc_data, 0, sizeof(rdc_data)); rc = read_dev_chars(device->cdev, &rdc_data, 64); if (rc) { DEV_MESSAGE(KERN_WARNING, device, @@ -556,8 +594,17 @@ dasd_eckd_check_characteristics(struct dasd_device *device) /* Read Configuration Data */ rc = dasd_eckd_read_conf (device); - return rc; + if (rc) + return rc; + + /* Generate device unique id and register in devmap */ + rc = dasd_eckd_generate_uid(device, &uid); + if (rc) + return rc; + rc = dasd_set_uid(device->cdev, &uid); + + return rc; } static struct dasd_ccw_req * diff --git a/drivers/s390/block/dasd_eckd.h b/drivers/s390/block/dasd_eckd.h index ad8524bb7bb3..d5734e976e1c 100644 --- a/drivers/s390/block/dasd_eckd.h +++ b/drivers/s390/block/dasd_eckd.h @@ -228,26 +228,36 @@ struct dasd_eckd_confdata { unsigned char HDA_manufacturer[3]; unsigned char HDA_location[2]; unsigned char HDA_seqno[12]; - __u16 ID; + __u8 ID; + __u8 unit_addr; } __attribute__ ((packed)) ned1; - struct { + union { struct { - unsigned char identifier:2; - unsigned char token_id:1; - unsigned char sno_valid:1; - unsigned char subst_sno:1; - unsigned char recNED:1; - unsigned char emuNED:1; - unsigned char reserved:1; - } __attribute__ ((packed)) flags; - __u8 descriptor; - __u8 reserved[2]; - unsigned char dev_type[6]; - unsigned char dev_model[3]; - unsigned char DASD_manufacturer[3]; - unsigned char DASD_location[2]; - unsigned char DASD_seqno[12]; - __u16 ID; + struct { + unsigned char identifier:2; + unsigned char token_id:1; + unsigned char sno_valid:1; + unsigned char subst_sno:1; + unsigned char recNED:1; + unsigned char emuNED:1; + unsigned char reserved:1; + } __attribute__ ((packed)) flags; + __u8 descriptor; + __u8 reserved[2]; + unsigned char dev_type[6]; + unsigned char dev_model[3]; + unsigned char DASD_manufacturer[3]; + unsigned char DASD_location[2]; + unsigned char DASD_seqno[12]; + __u16 ID; + } __attribute__ ((packed)) ned; + struct { + unsigned char flags; /* byte 0 */ + unsigned char res2[7]; /* byte 1- 7 */ + unsigned char sua_flags; /* byte 8 */ + __u8 base_unit_addr; /* byte 9 */ + unsigned char res3[22]; /* byte 10-31 */ + } __attribute__ ((packed)) sneq; } __attribute__ ((packed)) ned2; struct { struct { diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h index 4293ba827523..d4b13e300a76 100644 --- a/drivers/s390/block/dasd_int.h +++ b/drivers/s390/block/dasd_int.h @@ -268,6 +268,16 @@ struct dasd_discipline { extern struct dasd_discipline *dasd_diag_discipline_pointer; +/* + * Unique identifier for dasd device. + */ +struct dasd_uid { + __u8 alias; + char vendor[4]; + char serial[15]; + __u16 ssid; + __u8 unit_addr; +}; /* * Notification numbers for extended error reporting notifications: @@ -516,6 +526,8 @@ void dasd_devmap_exit(void); struct dasd_device *dasd_create_device(struct ccw_device *); void dasd_delete_device(struct dasd_device *); +int dasd_get_uid(struct ccw_device *, struct dasd_uid *); +int dasd_set_uid(struct ccw_device *, struct dasd_uid *); int dasd_get_feature(struct ccw_device *, int); int dasd_set_feature(struct ccw_device *, int, int); diff --git a/drivers/s390/char/tape_3590.c b/drivers/s390/char/tape_3590.c index c3915f60a3aa..d71ef1adea59 100644 --- a/drivers/s390/char/tape_3590.c +++ b/drivers/s390/char/tape_3590.c @@ -230,14 +230,16 @@ tape_3590_read_attmsg(struct tape_device *device) * These functions are used to schedule follow-up actions from within an * interrupt context (like unsolicited interrupts). */ +struct work_handler_data { + struct tape_device *device; + enum tape_op op; + struct work_struct work; +}; + static void tape_3590_work_handler(void *data) { - struct { - struct tape_device *device; - enum tape_op op; - struct work_struct work; - } *p = data; + struct work_handler_data *p = data; switch (p->op) { case TO_MSEN: @@ -257,11 +259,7 @@ tape_3590_work_handler(void *data) static int tape_3590_schedule_work(struct tape_device *device, enum tape_op op) { - struct { - struct tape_device *device; - enum tape_op op; - struct work_struct work; - } *p; + struct work_handler_data *p; if ((p = kzalloc(sizeof(*p), GFP_ATOMIC)) == NULL) return -ENOMEM; @@ -316,7 +314,7 @@ tape_3590_bread(struct tape_device *device, struct request *req) rq_for_each_bio(bio, req) { bio_for_each_segment(bv, bio, i) { - dst = kmap(bv->bv_page) + bv->bv_offset; + dst = page_address(bv->bv_page) + bv->bv_offset; for (off = 0; off < bv->bv_len; off += TAPEBLOCK_HSEC_SIZE) { ccw->flags = CCW_FLAG_CC; @@ -1168,6 +1166,7 @@ tape_3590_setup_device(struct tape_device *device) static void tape_3590_cleanup_device(struct tape_device *device) { + flush_scheduled_work(); tape_std_unassign(device); kfree(device->discdata); @@ -1234,6 +1233,7 @@ static struct tape_discipline tape_discipline_3590 = { static struct ccw_device_id tape_3590_ids[] = { {CCW_DEVICE_DEVTYPE(0x3590, 0, 0x3590, 0), .driver_info = tape_3590}, + {CCW_DEVICE_DEVTYPE(0x3592, 0, 0x3592, 0), .driver_info = tape_3592}, { /* end of list */ } }; diff --git a/drivers/s390/char/tape_std.h b/drivers/s390/char/tape_std.h index 2d311798edf4..1fc952359341 100644 --- a/drivers/s390/char/tape_std.h +++ b/drivers/s390/char/tape_std.h @@ -153,6 +153,7 @@ enum s390_tape_type { tape_3480, tape_3490, tape_3590, + tape_3592, }; #endif // _TAPE_STD_H diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index 6412b2c3edd3..72187e54dcac 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -242,28 +242,10 @@ s390_subchannel_remove_chpid(struct device *dev, void *data) if (sch->vpm == mask) goto out_unreg; - if ((sch->schib.scsw.actl & (SCSW_ACTL_CLEAR_PEND | - SCSW_ACTL_HALT_PEND | - SCSW_ACTL_START_PEND | - SCSW_ACTL_RESUME_PEND)) && - (sch->schib.pmcw.lpum == mask)) { - int cc = cio_cancel(sch); - - if (cc == -ENODEV) - goto out_unreg; - - if (cc == -EINVAL) { - cc = cio_clear(sch); - if (cc == -ENODEV) - goto out_unreg; - /* Call handler. */ - if (sch->driver && sch->driver->termination) - sch->driver->termination(&sch->dev); - goto out_unlock; - } - } else if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) && - (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) && - (sch->schib.pmcw.lpum == mask)) { + if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) && + (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) && + (sch->schib.pmcw.lpum == mask) && + (sch->vpm == 0)) { int cc; cc = cio_clear(sch); @@ -653,13 +635,13 @@ __chp_add(struct subchannel_id schid, void *data) if (sch->schib.pmcw.chpid[i] == chp->id) { if (stsch(sch->schid, &sch->schib) != 0) { /* Endgame. */ - spin_unlock(&sch->lock); + spin_unlock_irq(&sch->lock); return -ENXIO; } break; } if (i==8) { - spin_unlock(&sch->lock); + spin_unlock_irq(&sch->lock); return 0; } sch->lpm = ((sch->schib.pmcw.pim & diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index 814f9258ce00..96f519281d92 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -38,6 +38,7 @@ #include <linux/kernel.h> #include <linux/proc_fs.h> #include <linux/timer.h> +#include <linux/mempool.h> #include <asm/ccwdev.h> #include <asm/io.h> @@ -80,6 +81,8 @@ static int indicator_used[INDICATORS_PER_CACHELINE]; static __u32 * volatile indicators; static __u32 volatile spare_indicator; static atomic_t spare_indicator_usecount; +#define QDIO_MEMPOOL_SCSSC_ELEMENTS 2 +static mempool_t *qdio_mempool_scssc; static debug_info_t *qdio_dbf_setup; static debug_info_t *qdio_dbf_sbal; @@ -1637,7 +1640,7 @@ next: } kfree(irq_ptr->qdr); - kfree(irq_ptr); + free_page((unsigned long) irq_ptr); } static void @@ -2304,7 +2307,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) QDIO_DBF_TEXT0(0,setup,"getssqd"); qdioac = 0; - ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); + ssqd_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC); if (!ssqd_area) { QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \ "SIGAs for sch x%x.\n", irq_ptr->schid.sch_no); @@ -2364,7 +2367,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) out: qdio_check_subchannel_qebsm(irq_ptr, qdioac, ssqd_area->sch_token); - free_page ((unsigned long) ssqd_area); + mempool_free(ssqd_area, qdio_mempool_scssc); irq_ptr->qdioac = qdioac; } @@ -2458,7 +2461,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) virt_to_phys((volatile void *)irq_ptr->dev_st_chg_ind); } - scssc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); + scssc_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC); if (!scssc_area) { QDIO_PRINT_WARN("No memory for setting indicators on " \ "subchannel 0.%x.%x.\n", @@ -2514,7 +2517,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) QDIO_DBF_HEX2(0,setup,&real_addr_dev_st_chg_ind,sizeof(unsigned long)); result = 0; out: - free_page ((unsigned long) scssc_area); + mempool_free(scssc_area, qdio_mempool_scssc); return result; } @@ -2543,7 +2546,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) if (!irq_ptr->is_thinint_irq) return -ENODEV; - scsscf_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); + scsscf_area = mempool_alloc(qdio_mempool_scssc, GFP_ATOMIC); if (!scsscf_area) { QDIO_PRINT_WARN("No memory for setting delay target on " \ "subchannel 0.%x.%x.\n", @@ -2581,7 +2584,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) QDIO_DBF_HEX2(0,trace,&delay_target,sizeof(unsigned long)); result = 0; /* not critical */ out: - free_page ((unsigned long) scsscf_area); + mempool_free(scsscf_area, qdio_mempool_scssc); return result; } @@ -2980,7 +2983,7 @@ qdio_allocate(struct qdio_initialize *init_data) qdio_allocate_do_dbf(init_data); /* create irq */ - irq_ptr = kzalloc(sizeof(struct qdio_irq), GFP_KERNEL | GFP_DMA); + irq_ptr = (void *) get_zeroed_page(GFP_KERNEL | GFP_DMA); QDIO_DBF_TEXT0(0,setup,"irq_ptr:"); QDIO_DBF_HEX0(0,setup,&irq_ptr,sizeof(void*)); @@ -2995,7 +2998,7 @@ qdio_allocate(struct qdio_initialize *init_data) /* QDR must be in DMA area since CCW data address is only 32 bit */ irq_ptr->qdr=kmalloc(sizeof(struct qdr), GFP_KERNEL | GFP_DMA); if (!(irq_ptr->qdr)) { - kfree(irq_ptr); + free_page((unsigned long) irq_ptr); QDIO_PRINT_ERR("kmalloc of irq_ptr->qdr failed!\n"); return -ENOMEM; } @@ -3780,6 +3783,16 @@ oom: return -ENOMEM; } +static void *qdio_mempool_alloc(gfp_t gfp_mask, void *size) +{ + return (void *) get_zeroed_page(gfp_mask|GFP_DMA); +} + +static void qdio_mempool_free(void *element, void *size) +{ + free_page((unsigned long) element); +} + static int __init init_QDIO(void) { @@ -3809,6 +3822,10 @@ init_QDIO(void) qdio_add_procfs_entry(); + qdio_mempool_scssc = mempool_create(QDIO_MEMPOOL_SCSSC_ELEMENTS, + qdio_mempool_alloc, + qdio_mempool_free, NULL); + if (tiqdio_check_chsc_availability()) QDIO_PRINT_ERR("Not all CHSCs supported. Continuing.\n"); @@ -3824,6 +3841,7 @@ cleanup_QDIO(void) qdio_remove_procfs_entry(); qdio_release_qdio_memory(); qdio_unregister_dbf_views(); + mempool_destroy(qdio_mempool_scssc); printk("qdio: %s: module removed\n",version); } diff --git a/drivers/s390/s390mach.c b/drivers/s390/s390mach.c index 3bf466603512..5ae14803091f 100644 --- a/drivers/s390/s390mach.c +++ b/drivers/s390/s390mach.c @@ -362,12 +362,19 @@ s390_revalidate_registers(struct mci *mci) return kill_task; } +#define MAX_IPD_COUNT 29 +#define MAX_IPD_TIME (5 * 60 * 100 * 1000) /* 5 minutes */ + /* * machine check handler. */ void s390_do_machine_check(struct pt_regs *regs) { + static DEFINE_SPINLOCK(ipd_lock); + static unsigned long long last_ipd; + static int ipd_count; + unsigned long long tmp; struct mci *mci; struct mcck_struct *mcck; int umode; @@ -404,11 +411,27 @@ s390_do_machine_check(struct pt_regs *regs) s390_handle_damage("processing backup machine " "check with damage."); } - if (!umode) - s390_handle_damage("processing backup machine " - "check in kernel mode."); - mcck->kill_task = 1; - mcck->mcck_code = *(unsigned long long *) mci; + + /* + * Nullifying exigent condition, therefore we might + * retry this instruction. + */ + + spin_lock(&ipd_lock); + + tmp = get_clock(); + + if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME) + ipd_count++; + else + ipd_count = 1; + + last_ipd = tmp; + + if (ipd_count == MAX_IPD_COUNT) + s390_handle_damage("too many ipd retries."); + + spin_unlock(&ipd_lock); } else { /* Processing damage -> stopping machine */ diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 3e7302692dbe..a480a3742d47 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -446,7 +446,9 @@ config SCSI_DPT_I2O config SCSI_ADVANSYS tristate "AdvanSys SCSI support" - depends on (ISA || EISA || PCI) && SCSI && BROKEN + depends on SCSI + depends on ISA || EISA || PCI + depends on BROKEN || X86_32 help This is a driver for all SCSI host adapters manufactured by AdvanSys. It is documented in the kernel source in diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 28b93057b607..2a419634b256 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -2051,7 +2051,7 @@ STATIC ASC_DCNT AscGetMaxDmaCount(ushort); #define ADV_VADDR_TO_U32 virt_to_bus #define ADV_U32_TO_VADDR bus_to_virt -#define AdvPortAddr ulong /* Virtual memory address size */ +#define AdvPortAddr void __iomem * /* Virtual memory address size */ /* * Define Adv Library required memory access macros. diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 9060e7137441..4587087d777a 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -400,6 +400,8 @@ config FB_ASILIANT select FB_CFB_FILLRECT select FB_CFB_COPYAREA select FB_CFB_IMAGEBLIT + help + This is the frame buffer device driver for the Asiliant 69030 chipset config FB_IMSTT bool "IMS Twin Turbo display support" diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c index b367de30b98c..600d3e0e08b7 100644 --- a/drivers/video/au1200fb.c +++ b/drivers/video/au1200fb.c @@ -1920,1925 +1920,3 @@ module_exit(au1200fb_cleanup); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL"); -/* - * BRIEF MODULE DESCRIPTION - * Au1200 LCD Driver. - * - * Copyright 2004-2005 AMD - * Author: AMD - * - * Based on: - * linux/drivers/video/skeletonfb.c -- Skeleton for a frame buffer device - * Created 28 Dec 1997 by Geert Uytterhoeven - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN - * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF - * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON - * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/ctype.h> -#include <linux/dma-mapping.h> - -#include <asm/mach-au1x00/au1000.h> -#include "au1200fb.h" - -#ifdef CONFIG_PM -#include <asm/mach-au1x00/au1xxx_pm.h> -#endif - -#ifndef CONFIG_FB_AU1200_DEVS -#define CONFIG_FB_AU1200_DEVS 4 -#endif - -#define DRIVER_NAME "au1200fb" -#define DRIVER_DESC "LCD controller driver for AU1200 processors" - -#define DEBUG 1 - -#define print_err(f, arg...) printk(KERN_ERR DRIVER_NAME ": " f "\n", ## arg) -#define print_warn(f, arg...) printk(KERN_WARNING DRIVER_NAME ": " f "\n", ## arg) -#define print_info(f, arg...) printk(KERN_INFO DRIVER_NAME ": " f "\n", ## arg) - -#if DEBUG -#define print_dbg(f, arg...) printk(KERN_DEBUG __FILE__ ": " f "\n", ## arg) -#else -#define print_dbg(f, arg...) do {} while (0) -#endif - - -#define AU1200_LCD_FB_IOCTL 0x46FF - -#define AU1200_LCD_SET_SCREEN 1 -#define AU1200_LCD_GET_SCREEN 2 -#define AU1200_LCD_SET_WINDOW 3 -#define AU1200_LCD_GET_WINDOW 4 -#define AU1200_LCD_SET_PANEL 5 -#define AU1200_LCD_GET_PANEL 6 - -#define SCREEN_SIZE (1<< 1) -#define SCREEN_BACKCOLOR (1<< 2) -#define SCREEN_BRIGHTNESS (1<< 3) -#define SCREEN_COLORKEY (1<< 4) -#define SCREEN_MASK (1<< 5) - -struct au1200_lcd_global_regs_t { - unsigned int flags; - unsigned int xsize; - unsigned int ysize; - unsigned int backcolor; - unsigned int brightness; - unsigned int colorkey; - unsigned int mask; - unsigned int panel_choice; - char panel_desc[80]; - -}; - -#define WIN_POSITION (1<< 0) -#define WIN_ALPHA_COLOR (1<< 1) -#define WIN_ALPHA_MODE (1<< 2) -#define WIN_PRIORITY (1<< 3) -#define WIN_CHANNEL (1<< 4) -#define WIN_BUFFER_FORMAT (1<< 5) -#define WIN_COLOR_ORDER (1<< 6) -#define WIN_PIXEL_ORDER (1<< 7) -#define WIN_SIZE (1<< 8) -#define WIN_COLORKEY_MODE (1<< 9) -#define WIN_DOUBLE_BUFFER_MODE (1<< 10) -#define WIN_RAM_ARRAY_MODE (1<< 11) -#define WIN_BUFFER_SCALE (1<< 12) -#define WIN_ENABLE (1<< 13) - -struct au1200_lcd_window_regs_t { - unsigned int flags; - unsigned int xpos; - unsigned int ypos; - unsigned int alpha_color; - unsigned int alpha_mode; - unsigned int priority; - unsigned int channel; - unsigned int buffer_format; - unsigned int color_order; - unsigned int pixel_order; - unsigned int xsize; - unsigned int ysize; - unsigned int colorkey_mode; - unsigned int double_buffer_mode; - unsigned int ram_array_mode; - unsigned int xscale; - unsigned int yscale; - unsigned int enable; -}; - - -struct au1200_lcd_iodata_t { - unsigned int subcmd; - struct au1200_lcd_global_regs_t global; - struct au1200_lcd_window_regs_t window; -}; - -#if defined(__BIG_ENDIAN) -#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_11 -#else -#define LCD_CONTROL_DEFAULT_PO LCD_CONTROL_PO_00 -#endif -#define LCD_CONTROL_DEFAULT_SBPPF LCD_CONTROL_SBPPF_565 - -/* Private, per-framebuffer management information (independent of the panel itself) */ -struct au1200fb_device { - struct fb_info fb_info; /* FB driver info record */ - - int plane; - unsigned char* fb_mem; /* FrameBuffer memory map */ - unsigned int fb_len; - dma_addr_t fb_phys; -}; - -static struct au1200fb_device _au1200fb_devices[CONFIG_FB_AU1200_DEVS]; -/********************************************************************/ - -/* LCD controller restrictions */ -#define AU1200_LCD_MAX_XRES 1280 -#define AU1200_LCD_MAX_YRES 1024 -#define AU1200_LCD_MAX_BPP 32 -#define AU1200_LCD_MAX_CLK 96000000 /* fixme: this needs to go away ? */ -#define AU1200_LCD_NBR_PALETTE_ENTRIES 256 - -/* Default number of visible screen buffer to allocate */ -#define AU1200FB_NBR_VIDEO_BUFFERS 1 - -/********************************************************************/ - -static struct au1200_lcd *lcd = (struct au1200_lcd *) AU1200_LCD_ADDR; -static int window_index = 2; /* default is zero */ -static int panel_index = 2; /* default is zero */ -static struct window_settings *win; -static struct panel_settings *panel; -static int noblanking = 1; -static int nohwcursor = 0; - -struct window_settings { - unsigned char name[64]; - uint32 mode_backcolor; - uint32 mode_colorkey; - uint32 mode_colorkeymsk; - struct { - int xres; - int yres; - int xpos; - int ypos; - uint32 mode_winctrl1; /* winctrl1[FRM,CCO,PO,PIPE] */ - uint32 mode_winenable; - } w[4]; -}; - -#if defined(__BIG_ENDIAN) -#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_00 -#else -#define LCD_WINCTRL1_PO_16BPP LCD_WINCTRL1_PO_01 -#endif - -extern int board_au1200fb_panel_init (void); -extern int board_au1200fb_panel_shutdown (void); - -#ifdef CONFIG_PM -int au1200fb_pm_callback(au1xxx_power_dev_t *dev, - au1xxx_request_t request, void *data); -au1xxx_power_dev_t *LCD_pm_dev; -#endif - -/* - * Default window configurations - */ -static struct window_settings windows[] = { - { /* Index 0 */ - "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", - /* mode_backcolor */ 0x006600ff, - /* mode_colorkey,msk*/ 0, 0, - { - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP, - /* mode_winenable*/ LCD_WINENABLE_WEN0, - }, - { - /* xres, yres, xpos, ypos */ 100, 100, 100, 100, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP | - LCD_WINCTRL1_PIPE, - /* mode_winenable*/ LCD_WINENABLE_WEN1, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP, - /* mode_winenable*/ 0, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP | - LCD_WINCTRL1_PIPE, - /* mode_winenable*/ 0, - }, - }, - }, - - { /* Index 1 */ - "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", - /* mode_backcolor */ 0x006600ff, - /* mode_colorkey,msk*/ 0, 0, - { - { - /* xres, yres, xpos, ypos */ 320, 240, 5, 5, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_24BPP | - LCD_WINCTRL1_PO_00, - /* mode_winenable*/ LCD_WINENABLE_WEN0, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 - | LCD_WINCTRL1_PO_16BPP, - /* mode_winenable*/ 0, - }, - { - /* xres, yres, xpos, ypos */ 100, 100, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP | - LCD_WINCTRL1_PIPE, - /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, - }, - { - /* xres, yres, xpos, ypos */ 200, 25, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP | - LCD_WINCTRL1_PIPE, - /* mode_winenable*/ 0, - }, - }, - }, - { /* Index 2 */ - "0-FS gfx, 1-video, 2-ovly gfx, 3-ovly gfx", - /* mode_backcolor */ 0x006600ff, - /* mode_colorkey,msk*/ 0, 0, - { - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP, - /* mode_winenable*/ LCD_WINENABLE_WEN0, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP, - /* mode_winenable*/ 0, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_32BPP | - LCD_WINCTRL1_PO_00|LCD_WINCTRL1_PIPE, - /* mode_winenable*/ 0/*LCD_WINENABLE_WEN2*/, - }, - { - /* xres, yres, xpos, ypos */ 0, 0, 0, 0, - /* mode_winctrl1 */ LCD_WINCTRL1_FRM_16BPP565 | - LCD_WINCTRL1_PO_16BPP | - LCD_WINCTRL1_PIPE, - /* mode_winenable*/ 0, - }, - }, - }, - /* Need VGA 640 @ 24bpp, @ 32bpp */ - /* Need VGA 800 @ 24bpp, @ 32bpp */ - /* Need VGA 1024 @ 24bpp, @ 32bpp */ -}; - -/* - * Controller configurations for various panels. - */ - -struct panel_settings -{ - const char name[25]; /* Full name <vendor>_<model> */ - - struct fb_monspecs monspecs; /* FB monitor specs */ - - /* panel timings */ - uint32 mode_screen; - uint32 mode_horztiming; - uint32 mode_verttiming; - uint32 mode_clkcontrol; - uint32 mode_pwmdiv; - uint32 mode_pwmhi; - uint32 mode_outmask; - uint32 mode_fifoctrl; - uint32 mode_toyclksrc; - uint32 mode_backlight; - uint32 mode_auxpll; - int (*device_init)(void); - int (*device_shutdown)(void); -#define Xres min_xres -#define Yres min_yres - u32 min_xres; /* Minimum horizontal resolution */ - u32 max_xres; /* Maximum horizontal resolution */ - u32 min_yres; /* Minimum vertical resolution */ - u32 max_yres; /* Maximum vertical resolution */ -}; - -/********************************************************************/ -/* fixme: Maybe a modedb for the CRT ? otherwise panels should be as-is */ - -/* List of panels known to work with the AU1200 LCD controller. - * To add a new panel, enter the same specifications as the - * Generic_TFT one, and MAKE SURE that it doesn't conflicts - * with the controller restrictions. Restrictions are: - * - * STN color panels: max_bpp <= 12 - * STN mono panels: max_bpp <= 4 - * TFT panels: max_bpp <= 16 - * max_xres <= 800 - * max_yres <= 600 - */ -static struct panel_settings known_lcd_panels[] = -{ - [0] = { /* QVGA 320x240 H:33.3kHz V:110Hz */ - .name = "QVGA_320x240", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = LCD_SCREEN_SX_N(320) | - LCD_SCREEN_SY_N(240), - .mode_horztiming = 0x00c4623b, - .mode_verttiming = 0x00502814, - .mode_clkcontrol = 0x00020002, /* /4=24Mhz */ - .mode_pwmdiv = 0x00000000, - .mode_pwmhi = 0x00000000, - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = NULL, - .device_shutdown = NULL, - 320, 320, - 240, 240, - }, - - [1] = { /* VGA 640x480 H:30.3kHz V:58Hz */ - .name = "VGA_640x480", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = 0x13f9df80, - .mode_horztiming = 0x003c5859, - .mode_verttiming = 0x00741201, - .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ - .mode_pwmdiv = 0x00000000, - .mode_pwmhi = 0x00000000, - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = NULL, - .device_shutdown = NULL, - 640, 480, - 640, 480, - }, - - [2] = { /* SVGA 800x600 H:46.1kHz V:69Hz */ - .name = "SVGA_800x600", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = 0x18fa5780, - .mode_horztiming = 0x00dc7e77, - .mode_verttiming = 0x00584805, - .mode_clkcontrol = 0x00020000, /* /2=48Mhz */ - .mode_pwmdiv = 0x00000000, - .mode_pwmhi = 0x00000000, - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = NULL, - .device_shutdown = NULL, - 800, 800, - 600, 600, - }, - - [3] = { /* XVGA 1024x768 H:56.2kHz V:70Hz */ - .name = "XVGA_1024x768", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = 0x1ffaff80, - .mode_horztiming = 0x007d0e57, - .mode_verttiming = 0x00740a01, - .mode_clkcontrol = 0x000A0000, /* /1 */ - .mode_pwmdiv = 0x00000000, - .mode_pwmhi = 0x00000000, - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 6, /* 72MHz AUXPLL */ - .device_init = NULL, - .device_shutdown = NULL, - 1024, 1024, - 768, 768, - }, - - [4] = { /* XVGA XVGA 1280x1024 H:68.5kHz V:65Hz */ - .name = "XVGA_1280x1024", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = 0x27fbff80, - .mode_horztiming = 0x00cdb2c7, - .mode_verttiming = 0x00600002, - .mode_clkcontrol = 0x000A0000, /* /1 */ - .mode_pwmdiv = 0x00000000, - .mode_pwmhi = 0x00000000, - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 10, /* 120MHz AUXPLL */ - .device_init = NULL, - .device_shutdown = NULL, - 1280, 1280, - 1024, 1024, - }, - - [5] = { /* Samsung 1024x768 TFT */ - .name = "Samsung_1024x768_TFT", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = 0x1ffaff80, - .mode_horztiming = 0x018cc677, - .mode_verttiming = 0x00241217, - .mode_clkcontrol = 0x00000000, /* SCB 0x1 /4=24Mhz */ - .mode_pwmdiv = 0x8000063f, /* SCB 0x0 */ - .mode_pwmhi = 0x03400000, /* SCB 0x0 */ - .mode_outmask = 0x00FFFFFF, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = board_au1200fb_panel_init, - .device_shutdown = board_au1200fb_panel_shutdown, - 1024, 1024, - 768, 768, - }, - - [6] = { /* Toshiba 640x480 TFT */ - .name = "Toshiba_640x480_TFT", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = LCD_SCREEN_SX_N(640) | - LCD_SCREEN_SY_N(480), - .mode_horztiming = LCD_HORZTIMING_HPW_N(96) | - LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(51), - .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | - LCD_VERTTIMING_VND1_N(11) | LCD_VERTTIMING_VND2_N(32), - .mode_clkcontrol = 0x00000000, /* /4=24Mhz */ - .mode_pwmdiv = 0x8000063f, - .mode_pwmhi = 0x03400000, - .mode_outmask = 0x00fcfcfc, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = board_au1200fb_panel_init, - .device_shutdown = board_au1200fb_panel_shutdown, - 640, 480, - 640, 480, - }, - - [7] = { /* Sharp 320x240 TFT */ - .name = "Sharp_320x240_TFT", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 12500, - .hfmax = 20000, - .vfmin = 38, - .vfmax = 81, - .dclkmin = 4500000, - .dclkmax = 6800000, - .input = FB_DISP_RGB, - }, - .mode_screen = LCD_SCREEN_SX_N(320) | - LCD_SCREEN_SY_N(240), - .mode_horztiming = LCD_HORZTIMING_HPW_N(60) | - LCD_HORZTIMING_HND1_N(13) | LCD_HORZTIMING_HND2_N(2), - .mode_verttiming = LCD_VERTTIMING_VPW_N(2) | - LCD_VERTTIMING_VND1_N(2) | LCD_VERTTIMING_VND2_N(5), - .mode_clkcontrol = LCD_CLKCONTROL_PCD_N(7), /*16=6Mhz*/ - .mode_pwmdiv = 0x8000063f, - .mode_pwmhi = 0x03400000, - .mode_outmask = 0x00fcfcfc, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = board_au1200fb_panel_init, - .device_shutdown = board_au1200fb_panel_shutdown, - 320, 320, - 240, 240, - }, - - [8] = { /* Toppoly TD070WGCB2 7" 856x480 TFT */ - .name = "Toppoly_TD070WGCB2", - .monspecs = { - .modedb = NULL, - .modedb_len = 0, - .hfmin = 30000, - .hfmax = 70000, - .vfmin = 60, - .vfmax = 60, - .dclkmin = 6000000, - .dclkmax = 28000000, - .input = FB_DISP_RGB, - }, - .mode_screen = LCD_SCREEN_SX_N(856) | - LCD_SCREEN_SY_N(480), - .mode_horztiming = LCD_HORZTIMING_HND2_N(43) | - LCD_HORZTIMING_HND1_N(43) | LCD_HORZTIMING_HPW_N(114), - .mode_verttiming = LCD_VERTTIMING_VND2_N(20) | - LCD_VERTTIMING_VND1_N(21) | LCD_VERTTIMING_VPW_N(4), - .mode_clkcontrol = 0x00020001, /* /4=24Mhz */ - .mode_pwmdiv = 0x8000063f, - .mode_pwmhi = 0x03400000, - .mode_outmask = 0x00fcfcfc, - .mode_fifoctrl = 0x2f2f2f2f, - .mode_toyclksrc = 0x00000004, /* AUXPLL directly */ - .mode_backlight = 0x00000000, - .mode_auxpll = 8, /* 96MHz AUXPLL */ - .device_init = board_au1200fb_panel_init, - .device_shutdown = board_au1200fb_panel_shutdown, - 856, 856, - 480, 480, - }, -}; - -#define NUM_PANELS (ARRAY_SIZE(known_lcd_panels)) - -/********************************************************************/ - -#ifdef CONFIG_PM -static int set_brightness(unsigned int brightness) -{ - unsigned int hi1, divider; - - /* limit brightness pwm duty to >= 30/1600 */ - if (brightness < 30) { - brightness = 30; - } - divider = (lcd->pwmdiv & 0x3FFFF) + 1; - hi1 = (lcd->pwmhi >> 16) + 1; - hi1 = (((brightness & 0xFF) + 1) * divider >> 8); - lcd->pwmhi &= 0xFFFF; - lcd->pwmhi |= (hi1 << 16); - - return brightness; -} -#endif /* CONFIG_PM */ - -static int winbpp (unsigned int winctrl1) -{ - int bits = 0; - - /* how many bits are needed for each pixel format */ - switch (winctrl1 & LCD_WINCTRL1_FRM) { - case LCD_WINCTRL1_FRM_1BPP: - bits = 1; - break; - case LCD_WINCTRL1_FRM_2BPP: - bits = 2; - break; - case LCD_WINCTRL1_FRM_4BPP: - bits = 4; - break; - case LCD_WINCTRL1_FRM_8BPP: - bits = 8; - break; - case LCD_WINCTRL1_FRM_12BPP: - case LCD_WINCTRL1_FRM_16BPP655: - case LCD_WINCTRL1_FRM_16BPP565: - case LCD_WINCTRL1_FRM_16BPP556: - case LCD_WINCTRL1_FRM_16BPPI1555: - case LCD_WINCTRL1_FRM_16BPPI5551: - case LCD_WINCTRL1_FRM_16BPPA1555: - case LCD_WINCTRL1_FRM_16BPPA5551: - bits = 16; - break; - case LCD_WINCTRL1_FRM_24BPP: - case LCD_WINCTRL1_FRM_32BPP: - bits = 32; - break; - } - - return bits; -} - -static int fbinfo2index (struct fb_info *fb_info) -{ - int i; - - for (i = 0; i < CONFIG_FB_AU1200_DEVS; ++i) { - if (fb_info == (struct fb_info *)(&_au1200fb_devices[i].fb_info)) - return i; - } - printk("au1200fb: ERROR: fbinfo2index failed!\n"); - return -1; -} - -static int au1200_setlocation (struct au1200fb_device *fbdev, int plane, - int xpos, int ypos) -{ - uint32 winctrl0, winctrl1, winenable, fb_offset = 0; - int xsz, ysz; - - /* FIX!!! NOT CHECKING FOR COMPLETE OFFSCREEN YET */ - - winctrl0 = lcd->window[plane].winctrl0; - winctrl1 = lcd->window[plane].winctrl1; - winctrl0 &= (LCD_WINCTRL0_A | LCD_WINCTRL0_AEN); - winctrl1 &= ~(LCD_WINCTRL1_SZX | LCD_WINCTRL1_SZY); - - /* Check for off-screen adjustments */ - xsz = win->w[plane].xres; - ysz = win->w[plane].yres; - if ((xpos + win->w[plane].xres) > panel->Xres) { - /* Off-screen to the right */ - xsz = panel->Xres - xpos; /* off by 1 ??? */ - /*printk("off screen right\n");*/ - } - - if ((ypos + win->w[plane].yres) > panel->Yres) { - /* Off-screen to the bottom */ - ysz = panel->Yres - ypos; /* off by 1 ??? */ - /*printk("off screen bottom\n");*/ - } - - if (xpos < 0) { - /* Off-screen to the left */ - xsz = win->w[plane].xres + xpos; - fb_offset += (((0 - xpos) * winbpp(lcd->window[plane].winctrl1))/8); - xpos = 0; - /*printk("off screen left\n");*/ - } - - if (ypos < 0) { - /* Off-screen to the top */ - ysz = win->w[plane].yres + ypos; - /* fixme: fb_offset += ((0-ypos)*fb_pars[plane].line_length); */ - ypos = 0; - /*printk("off screen top\n");*/ - } - - /* record settings */ - win->w[plane].xpos = xpos; - win->w[plane].ypos = ypos; - - xsz -= 1; - ysz -= 1; - winctrl0 |= (xpos << 21); - winctrl0 |= (ypos << 10); - winctrl1 |= (xsz << 11); - winctrl1 |= (ysz << 0); - - /* Disable the window while making changes, then restore WINEN */ - winenable = lcd->winenable & (1 << plane); - au_sync(); - lcd->winenable &= ~(1 << plane); - lcd->window[plane].winctrl0 = winctrl0; - lcd->window[plane].winctrl1 = winctrl1; - lcd->window[plane].winbuf0 = - lcd->window[plane].winbuf1 = fbdev->fb_phys; - lcd->window[plane].winbufctrl = 0; /* select winbuf0 */ - lcd->winenable |= winenable; - au_sync(); - - return 0; -} - -static void au1200_setpanel (struct panel_settings *newpanel) -{ - /* - * Perform global setup/init of LCD controller - */ - uint32 winenable; - - /* Make sure all windows disabled */ - winenable = lcd->winenable; - lcd->winenable = 0; - au_sync(); - /* - * Ensure everything is disabled before reconfiguring - */ - if (lcd->screen & LCD_SCREEN_SEN) { - /* Wait for vertical sync period */ - lcd->intstatus = LCD_INT_SS; - while ((lcd->intstatus & LCD_INT_SS) == 0) { - au_sync(); - } - - lcd->screen &= ~LCD_SCREEN_SEN; /*disable the controller*/ - - do { - lcd->intstatus = lcd->intstatus; /*clear interrupts*/ - au_sync(); - /*wait for controller to shut down*/ - } while ((lcd->intstatus & LCD_INT_SD) == 0); - - /* Call shutdown of current panel (if up) */ - /* this must occur last, because if an external clock is driving - the controller, the clock cannot be turned off before first - shutting down the controller. - */ - if (panel->device_shutdown != NULL) - panel->device_shutdown(); - } - - /* Newpanel == NULL indicates a shutdown operation only */ - if (newpanel == NULL) - return; - - panel = newpanel; - - printk("Panel(%s), %dx%d\n", panel->name, panel->Xres, panel->Yres); - - /* - * Setup clocking if internal LCD clock source (assumes sys_auxpll valid) - */ - if (!(panel->mode_clkcontrol & LCD_CLKCONTROL_EXT)) - { - uint32 sys_clksrc; - au_writel(panel->mode_auxpll, SYS_AUXPLL); - sys_clksrc = au_readl(SYS_CLKSRC) & ~0x0000001f; - sys_clksrc |= panel->mode_toyclksrc; - au_writel(sys_clksrc, SYS_CLKSRC); - } - - /* - * Configure panel timings - */ - lcd->screen = panel->mode_screen; - lcd->horztiming = panel->mode_horztiming; - lcd->verttiming = panel->mode_verttiming; - lcd->clkcontrol = panel->mode_clkcontrol; - lcd->pwmdiv = panel->mode_pwmdiv; - lcd->pwmhi = panel->mode_pwmhi; - lcd->outmask = panel->mode_outmask; - lcd->fifoctrl = panel->mode_fifoctrl; - au_sync(); - - /* fixme: Check window settings to make sure still valid - * for new geometry */ -#if 0 - au1200_setlocation(fbdev, 0, win->w[0].xpos, win->w[0].ypos); - au1200_setlocation(fbdev, 1, win->w[1].xpos, win->w[1].ypos); - au1200_setlocation(fbdev, 2, win->w[2].xpos, win->w[2].ypos); - au1200_setlocation(fbdev, 3, win->w[3].xpos, win->w[3].ypos); -#endif - lcd->winenable = winenable; - - /* - * Re-enable screen now that it is configured - */ - lcd->screen |= LCD_SCREEN_SEN; - au_sync(); - - /* Call init of panel */ - if (panel->device_init != NULL) panel->device_init(); - - /* FIX!!!! not appropriate on panel change!!! Global setup/init */ - lcd->intenable = 0; - lcd->intstatus = ~0; - lcd->backcolor = win->mode_backcolor; - - /* Setup Color Key - FIX!!! */ - lcd->colorkey = win->mode_colorkey; - lcd->colorkeymsk = win->mode_colorkeymsk; - - /* Setup HWCursor - FIX!!! Need to support this eventually */ - lcd->hwc.cursorctrl = 0; - lcd->hwc.cursorpos = 0; - lcd->hwc.cursorcolor0 = 0; - lcd->hwc.cursorcolor1 = 0; - lcd->hwc.cursorcolor2 = 0; - lcd->hwc.cursorcolor3 = 0; - - -#if 0 -#define D(X) printk("%25s: %08X\n", #X, X) - D(lcd->screen); - D(lcd->horztiming); - D(lcd->verttiming); - D(lcd->clkcontrol); - D(lcd->pwmdiv); - D(lcd->pwmhi); - D(lcd->outmask); - D(lcd->fifoctrl); - D(lcd->window[0].winctrl0); - D(lcd->window[0].winctrl1); - D(lcd->window[0].winctrl2); - D(lcd->window[0].winbuf0); - D(lcd->window[0].winbuf1); - D(lcd->window[0].winbufctrl); - D(lcd->window[1].winctrl0); - D(lcd->window[1].winctrl1); - D(lcd->window[1].winctrl2); - D(lcd->window[1].winbuf0); - D(lcd->window[1].winbuf1); - D(lcd->window[1].winbufctrl); - D(lcd->window[2].winctrl0); - D(lcd->window[2].winctrl1); - D(lcd->window[2].winctrl2); - D(lcd->window[2].winbuf0); - D(lcd->window[2].winbuf1); - D(lcd->window[2].winbufctrl); - D(lcd->window[3].winctrl0); - D(lcd->window[3].winctrl1); - D(lcd->window[3].winctrl2); - D(lcd->window[3].winbuf0); - D(lcd->window[3].winbuf1); - D(lcd->window[3].winbufctrl); - D(lcd->winenable); - D(lcd->intenable); - D(lcd->intstatus); - D(lcd->backcolor); - D(lcd->winenable); - D(lcd->colorkey); - D(lcd->colorkeymsk); - D(lcd->hwc.cursorctrl); - D(lcd->hwc.cursorpos); - D(lcd->hwc.cursorcolor0); - D(lcd->hwc.cursorcolor1); - D(lcd->hwc.cursorcolor2); - D(lcd->hwc.cursorcolor3); -#endif -} - -static void au1200_setmode(struct au1200fb_device *fbdev) -{ - int plane = fbdev->plane; - /* Window/plane setup */ - lcd->window[plane].winctrl1 = ( 0 - | LCD_WINCTRL1_PRI_N(plane) - | win->w[plane].mode_winctrl1 /* FRM,CCO,PO,PIPE */ - ) ; - - au1200_setlocation(fbdev, plane, win->w[plane].xpos, win->w[plane].ypos); - - lcd->window[plane].winctrl2 = ( 0 - | LCD_WINCTRL2_CKMODE_00 - | LCD_WINCTRL2_DBM - | LCD_WINCTRL2_BX_N( fbdev->fb_info.fix.line_length) - | LCD_WINCTRL2_SCX_1 - | LCD_WINCTRL2_SCY_1 - ) ; - lcd->winenable |= win->w[plane].mode_winenable; - au_sync(); -} - - -/* Inline helpers */ - -/*#define panel_is_dual(panel) ((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ -/*#define panel_is_active(panel)((panel->mode_screen & LCD_SCREEN_PT) == LCD_SCREEN_PT_010)*/ - -#define panel_is_color(panel) ((panel->mode_screen & LCD_SCREEN_PT) <= LCD_SCREEN_PT_CDSTN) - -/* Bitfields format supported by the controller. */ -static struct fb_bitfield rgb_bitfields[][4] = { - /* Red, Green, Blue, Transp */ - [LCD_WINCTRL1_FRM_16BPP655 >> 25] = - { { 10, 6, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_16BPP565 >> 25] = - { { 11, 5, 0 }, { 5, 6, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_16BPP556 >> 25] = - { { 11, 5, 0 }, { 6, 5, 0 }, { 0, 6, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_16BPPI1555 >> 25] = - { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_16BPPI5551 >> 25] = - { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_16BPPA1555 >> 25] = - { { 10, 5, 0 }, { 5, 5, 0 }, { 0, 5, 0 }, { 15, 1, 0 } }, - - [LCD_WINCTRL1_FRM_16BPPA5551 >> 25] = - { { 11, 5, 0 }, { 6, 5, 0 }, { 1, 5, 0 }, { 0, 1, 0 } }, - - [LCD_WINCTRL1_FRM_24BPP >> 25] = - { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 0, 0, 0 } }, - - [LCD_WINCTRL1_FRM_32BPP >> 25] = - { { 16, 8, 0 }, { 8, 8, 0 }, { 0, 8, 0 }, { 24, 0, 0 } }, -}; - -/*-------------------------------------------------------------------------*/ - -/* Helpers */ - -static void au1200fb_update_fbinfo(struct fb_info *fbi) -{ - /* FIX!!!! This also needs to take the window pixel format into account!!! */ - - /* Update var-dependent FB info */ - if (panel_is_color(panel)) { - if (fbi->var.bits_per_pixel <= 8) { - /* palettized */ - fbi->fix.visual = FB_VISUAL_PSEUDOCOLOR; - fbi->fix.line_length = fbi->var.xres_virtual / - (8/fbi->var.bits_per_pixel); - } else { - /* non-palettized */ - fbi->fix.visual = FB_VISUAL_TRUECOLOR; - fbi->fix.line_length = fbi->var.xres_virtual * (fbi->var.bits_per_pixel / 8); - } - } else { - /* mono FIX!!! mono 8 and 4 bits */ - fbi->fix.visual = FB_VISUAL_MONO10; - fbi->fix.line_length = fbi->var.xres_virtual / 8; - } - - fbi->screen_size = fbi->fix.line_length * fbi->var.yres_virtual; - print_dbg("line length: %d\n", fbi->fix.line_length); - print_dbg("bits_per_pixel: %d\n", fbi->var.bits_per_pixel); -} - -/*-------------------------------------------------------------------------*/ - -/* AU1200 framebuffer driver */ - -/* fb_check_var - * Validate var settings with hardware restrictions and modify it if necessary - */ -static int au1200fb_fb_check_var(struct fb_var_screeninfo *var, - struct fb_info *fbi) -{ - struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi; - u32 pixclock; - int screen_size, plane; - - plane = fbdev->plane; - - /* Make sure that the mode respect all LCD controller and - * panel restrictions. */ - var->xres = win->w[plane].xres; - var->yres = win->w[plane].yres; - - /* No need for virtual resolution support */ - var->xres_virtual = var->xres; - var->yres_virtual = var->yres; - - var->bits_per_pixel = winbpp(win->w[plane].mode_winctrl1); - - screen_size = var->xres_virtual * var->yres_virtual; - if (var->bits_per_pixel > 8) screen_size *= (var->bits_per_pixel / 8); - else screen_size /= (8/var->bits_per_pixel); - - if (fbdev->fb_len < screen_size) - return -EINVAL; /* Virtual screen is to big, abort */ - - /* FIX!!!! what are the implicaitons of ignoring this for windows ??? */ - /* The max LCD clock is fixed to 48MHz (value of AUX_CLK). The pixel - * clock can only be obtain by dividing this value by an even integer. - * Fallback to a slower pixel clock if necessary. */ - pixclock = max((u32)(PICOS2KHZ(var->pixclock) * 1000), fbi->monspecs.dclkmin); - pixclock = min(pixclock, min(fbi->monspecs.dclkmax, (u32)AU1200_LCD_MAX_CLK/2)); - - if (AU1200_LCD_MAX_CLK % pixclock) { - int diff = AU1200_LCD_MAX_CLK % pixclock; - pixclock -= diff; - } - - var->pixclock = KHZ2PICOS(pixclock/1000); -#if 0 - if (!panel_is_active(panel)) { - int pcd = AU1200_LCD_MAX_CLK / (pixclock * 2) - 1; - - if (!panel_is_color(panel) - && (panel->control_base & LCD_CONTROL_MPI) && (pcd < 3)) { - /* STN 8bit mono panel support is up to 6MHz pixclock */ - var->pixclock = KHZ2PICOS(6000); - } else if (!pcd) { - /* Other STN panel support is up to 12MHz */ - var->pixclock = KHZ2PICOS(12000); - } - } -#endif - /* Set bitfield accordingly */ - switch (var->bits_per_pixel) { - case 16: - { - /* 16bpp True color. - * These must be set to MATCH WINCTRL[FORM] */ - int idx; - idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; - var->red = rgb_bitfields[idx][0]; - var->green = rgb_bitfields[idx][1]; - var->blue = rgb_bitfields[idx][2]; - var->transp = rgb_bitfields[idx][3]; - break; - } - - case 32: - { - /* 32bpp True color. - * These must be set to MATCH WINCTRL[FORM] */ - int idx; - idx = (win->w[0].mode_winctrl1 & LCD_WINCTRL1_FRM) >> 25; - var->red = rgb_bitfields[idx][0]; - var->green = rgb_bitfields[idx][1]; - var->blue = rgb_bitfields[idx][2]; - var->transp = rgb_bitfields[idx][3]; - break; - } - default: - print_dbg("Unsupported depth %dbpp", var->bits_per_pixel); - return -EINVAL; - } - - return 0; -} - -/* fb_set_par - * Set hardware with var settings. This will enable the controller with a - * specific mode, normally validated with the fb_check_var method - */ -static int au1200fb_fb_set_par(struct fb_info *fbi) -{ - struct au1200fb_device *fbdev = (struct au1200fb_device *)fbi; - - au1200fb_update_fbinfo(fbi); - au1200_setmode(fbdev); - - return 0; -} - -/* fb_setcolreg - * Set color in LCD palette. - */ -static int au1200fb_fb_setcolreg(unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, struct fb_info *fbi) -{ - volatile u32 *palette = lcd->palette; - u32 value; - - if (regno > (AU1200_LCD_NBR_PALETTE_ENTRIES - 1)) - return -EINVAL; - - if (fbi->var.grayscale) { - /* Convert color to grayscale */ - red = green = blue = - (19595 * red + 38470 * green + 7471 * blue) >> 16; - } - - if (fbi->fix.visual == FB_VISUAL_TRUECOLOR) { - /* Place color in the pseudopalette */ - if (regno > 16) - return -EINVAL; - - palette = (u32*) fbi->pseudo_palette; - - red >>= (16 - fbi->var.red.length); - green >>= (16 - fbi->var.green.length); - blue >>= (16 - fbi->var.blue.length); - - value = (red << fbi->var.red.offset) | - (green << fbi->var.green.offset)| - (blue << fbi->var.blue.offset); - value &= 0xFFFF; - - } else if (1 /*FIX!!! panel_is_active(fbdev->panel)*/) { - /* COLOR TFT PALLETTIZED (use RGB 565) */ - value = (red & 0xF800)|((green >> 5) & - 0x07E0)|((blue >> 11) & 0x001F); - value &= 0xFFFF; - - } else if (0 /*panel_is_color(fbdev->panel)*/) { - /* COLOR STN MODE */ - value = 0x1234; - value &= 0xFFF; - } else { - /* MONOCHROME MODE */ - value = (green >> 12) & 0x000F; - value &= 0xF; - } - - palette[regno] = value; - - return 0; -} - -/* fb_blank - * Blank the screen. Depending on the mode, the screen will be - * activated with the backlight color, or desactivated - */ -static int au1200fb_fb_blank(int blank_mode, struct fb_info *fbi) -{ - /* Short-circuit screen blanking */ - if (noblanking) - return 0; - - switch (blank_mode) { - - case FB_BLANK_UNBLANK: - case FB_BLANK_NORMAL: - /* printk("turn on panel\n"); */ - au1200_setpanel(panel); - break; - case FB_BLANK_VSYNC_SUSPEND: - case FB_BLANK_HSYNC_SUSPEND: - case FB_BLANK_POWERDOWN: - /* printk("turn off panel\n"); */ - au1200_setpanel(NULL); - break; - default: - break; - - } - - /* FB_BLANK_NORMAL is a soft blank */ - return (blank_mode == FB_BLANK_NORMAL) ? -EINVAL : 0; -} - -/* fb_mmap - * Map video memory in user space. We don't use the generic fb_mmap - * method mainly to allow the use of the TLB streaming flag (CCA=6) - */ -static int au1200fb_fb_mmap(struct fb_info *info, struct vm_area_struct *vma) - -{ - unsigned int len; - unsigned long start=0, off; - struct au1200fb_device *fbdev = (struct au1200fb_device *) info; - -#ifdef CONFIG_PM - au1xxx_pm_access(LCD_pm_dev); -#endif - - if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) { - return -EINVAL; - } - - start = fbdev->fb_phys & PAGE_MASK; - len = PAGE_ALIGN((start & ~PAGE_MASK) + fbdev->fb_len); - - off = vma->vm_pgoff << PAGE_SHIFT; - - if ((vma->vm_end - vma->vm_start + off) > len) { - return -EINVAL; - } - - off += start; - vma->vm_pgoff = off >> PAGE_SHIFT; - - vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - pgprot_val(vma->vm_page_prot) |= _CACHE_MASK; /* CCA=7 */ - - vma->vm_flags |= VM_IO; - - return io_remap_pfn_range(vma, vma->vm_start, off >> PAGE_SHIFT, - vma->vm_end - vma->vm_start, - vma->vm_page_prot); - - return 0; -} - -static void set_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) -{ - - unsigned int hi1, divider; - - /* SCREEN_SIZE: user cannot reset size, must switch panel choice */ - - if (pdata->flags & SCREEN_BACKCOLOR) - lcd->backcolor = pdata->backcolor; - - if (pdata->flags & SCREEN_BRIGHTNESS) { - - // limit brightness pwm duty to >= 30/1600 - if (pdata->brightness < 30) { - pdata->brightness = 30; - } - divider = (lcd->pwmdiv & 0x3FFFF) + 1; - hi1 = (lcd->pwmhi >> 16) + 1; - hi1 = (((pdata->brightness & 0xFF)+1) * divider >> 8); - lcd->pwmhi &= 0xFFFF; - lcd->pwmhi |= (hi1 << 16); - } - - if (pdata->flags & SCREEN_COLORKEY) - lcd->colorkey = pdata->colorkey; - - if (pdata->flags & SCREEN_MASK) - lcd->colorkeymsk = pdata->mask; - au_sync(); -} - -static void get_global(u_int cmd, struct au1200_lcd_global_regs_t *pdata) -{ - unsigned int hi1, divider; - - pdata->xsize = ((lcd->screen & LCD_SCREEN_SX) >> 19) + 1; - pdata->ysize = ((lcd->screen & LCD_SCREEN_SY) >> 8) + 1; - - pdata->backcolor = lcd->backcolor; - pdata->colorkey = lcd->colorkey; - pdata->mask = lcd->colorkeymsk; - - // brightness - hi1 = (lcd->pwmhi >> 16) + 1; - divider = (lcd->pwmdiv & 0x3FFFF) + 1; - pdata->brightness = ((hi1 << 8) / divider) - 1; - au_sync(); -} - -static void set_window(unsigned int plane, - struct au1200_lcd_window_regs_t *pdata) -{ - unsigned int val, bpp; - - /* Window control register 0 */ - if (pdata->flags & WIN_POSITION) { - val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_OX | - LCD_WINCTRL0_OY); - val |= ((pdata->xpos << 21) & LCD_WINCTRL0_OX); - val |= ((pdata->ypos << 10) & LCD_WINCTRL0_OY); - lcd->window[plane].winctrl0 = val; - } - if (pdata->flags & WIN_ALPHA_COLOR) { - val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_A); - val |= ((pdata->alpha_color << 2) & LCD_WINCTRL0_A); - lcd->window[plane].winctrl0 = val; - } - if (pdata->flags & WIN_ALPHA_MODE) { - val = lcd->window[plane].winctrl0 & ~(LCD_WINCTRL0_AEN); - val |= ((pdata->alpha_mode << 1) & LCD_WINCTRL0_AEN); - lcd->window[plane].winctrl0 = val; - } - - /* Window control register 1 */ - if (pdata->flags & WIN_PRIORITY) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PRI); - val |= ((pdata->priority << 30) & LCD_WINCTRL1_PRI); - lcd->window[plane].winctrl1 = val; - } - if (pdata->flags & WIN_CHANNEL) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PIPE); - val |= ((pdata->channel << 29) & LCD_WINCTRL1_PIPE); - lcd->window[plane].winctrl1 = val; - } - if (pdata->flags & WIN_BUFFER_FORMAT) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_FRM); - val |= ((pdata->buffer_format << 25) & LCD_WINCTRL1_FRM); - lcd->window[plane].winctrl1 = val; - } - if (pdata->flags & WIN_COLOR_ORDER) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_CCO); - val |= ((pdata->color_order << 24) & LCD_WINCTRL1_CCO); - lcd->window[plane].winctrl1 = val; - } - if (pdata->flags & WIN_PIXEL_ORDER) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_PO); - val |= ((pdata->pixel_order << 22) & LCD_WINCTRL1_PO); - lcd->window[plane].winctrl1 = val; - } - if (pdata->flags & WIN_SIZE) { - val = lcd->window[plane].winctrl1 & ~(LCD_WINCTRL1_SZX | - LCD_WINCTRL1_SZY); - val |= (((pdata->xsize << 11) - 1) & LCD_WINCTRL1_SZX); - val |= (((pdata->ysize) - 1) & LCD_WINCTRL1_SZY); - lcd->window[plane].winctrl1 = val; - /* program buffer line width */ - bpp = winbpp(val) / 8; - val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_BX); - val |= (((pdata->xsize * bpp) << 8) & LCD_WINCTRL2_BX); - lcd->window[plane].winctrl2 = val; - } - - /* Window control register 2 */ - if (pdata->flags & WIN_COLORKEY_MODE) { - val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_CKMODE); - val |= ((pdata->colorkey_mode << 24) & LCD_WINCTRL2_CKMODE); - lcd->window[plane].winctrl2 = val; - } - if (pdata->flags & WIN_DOUBLE_BUFFER_MODE) { - val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_DBM); - val |= ((pdata->double_buffer_mode << 23) & LCD_WINCTRL2_DBM); - lcd->window[plane].winctrl2 = val; - } - if (pdata->flags & WIN_RAM_ARRAY_MODE) { - val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_RAM); - val |= ((pdata->ram_array_mode << 21) & LCD_WINCTRL2_RAM); - lcd->window[plane].winctrl2 = val; - } - - /* Buffer line width programmed with WIN_SIZE */ - - if (pdata->flags & WIN_BUFFER_SCALE) { - val = lcd->window[plane].winctrl2 & ~(LCD_WINCTRL2_SCX | - LCD_WINCTRL2_SCY); - val |= ((pdata->xsize << 11) & LCD_WINCTRL2_SCX); - val |= ((pdata->ysize) & LCD_WINCTRL2_SCY); - lcd->window[plane].winctrl2 = val; - } - - if (pdata->flags & WIN_ENABLE) { - val = lcd->winenable; - val &= ~(1<<plane); - val |= (pdata->enable & 1) << plane; - lcd->winenable = val; - } - au_sync(); -} - -static void get_window(unsigned int plane, - struct au1200_lcd_window_regs_t *pdata) -{ - /* Window control register 0 */ - pdata->xpos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OX) >> 21; - pdata->ypos = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_OY) >> 10; - pdata->alpha_color = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_A) >> 2; - pdata->alpha_mode = (lcd->window[plane].winctrl0 & LCD_WINCTRL0_AEN) >> 1; - - /* Window control register 1 */ - pdata->priority = (lcd->window[plane].winctrl1& LCD_WINCTRL1_PRI) >> 30; - pdata->channel = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PIPE) >> 29; - pdata->buffer_format = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_FRM) >> 25; - pdata->color_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_CCO) >> 24; - pdata->pixel_order = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_PO) >> 22; - pdata->xsize = ((lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZX) >> 11) + 1; - pdata->ysize = (lcd->window[plane].winctrl1 & LCD_WINCTRL1_SZY) + 1; - - /* Window control register 2 */ - pdata->colorkey_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_CKMODE) >> 24; - pdata->double_buffer_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_DBM) >> 23; - pdata->ram_array_mode = (lcd->window[plane].winctrl2 & LCD_WINCTRL2_RAM) >> 21; - - pdata->enable = (lcd->winenable >> plane) & 1; - au_sync(); -} - -static int au1200fb_ioctl(struct fb_info *info, unsigned int cmd, - unsigned long arg) -{ - int plane; - int val; - -#ifdef CONFIG_PM - au1xxx_pm_access(LCD_pm_dev); -#endif - - plane = fbinfo2index(info); - print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); - - if (cmd == AU1200_LCD_FB_IOCTL) { - struct au1200_lcd_iodata_t iodata; - - if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) - return -EFAULT; - - print_dbg("FB IOCTL called\n"); - - switch (iodata.subcmd) { - case AU1200_LCD_SET_SCREEN: - print_dbg("AU1200_LCD_SET_SCREEN\n"); - set_global(cmd, &iodata.global); - break; - - case AU1200_LCD_GET_SCREEN: - print_dbg("AU1200_LCD_GET_SCREEN\n"); - get_global(cmd, &iodata.global); - break; - - case AU1200_LCD_SET_WINDOW: - print_dbg("AU1200_LCD_SET_WINDOW\n"); - set_window(plane, &iodata.window); - break; - - case AU1200_LCD_GET_WINDOW: - print_dbg("AU1200_LCD_GET_WINDOW\n"); - get_window(plane, &iodata.window); - break; - - case AU1200_LCD_SET_PANEL: - print_dbg("AU1200_LCD_SET_PANEL\n"); - if ((iodata.global.panel_choice >= 0) && - (iodata.global.panel_choice < - NUM_PANELS)) - { - struct panel_settings *newpanel; - panel_index = iodata.global.panel_choice; - newpanel = &known_lcd_panels[panel_index]; - au1200_setpanel(newpanel); - } - break; - - case AU1200_LCD_GET_PANEL: - print_dbg("AU1200_LCD_GET_PANEL\n"); - iodata.global.panel_choice = panel_index; - break; - - default: - return -EINVAL; - } - - val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); - if (val) { - print_dbg("error: could not copy %d bytes\n", val); - return -EFAULT; - } - } - - return 0; -} - - -static struct fb_ops au1200fb_fb_ops = { - .owner = THIS_MODULE, - .fb_check_var = au1200fb_fb_check_var, - .fb_set_par = au1200fb_fb_set_par, - .fb_setcolreg = au1200fb_fb_setcolreg, - .fb_blank = au1200fb_fb_blank, - .fb_fillrect = cfb_fillrect, - .fb_copyarea = cfb_copyarea, - .fb_imageblit = cfb_imageblit, - .fb_sync = NULL, - .fb_ioctl = au1200fb_ioctl, - .fb_mmap = au1200fb_fb_mmap, -}; - -/*-------------------------------------------------------------------------*/ - -static irqreturn_t au1200fb_handle_irq(int irq, void* dev_id, struct pt_regs *regs) -{ - /* Nothing to do for now, just clear any pending interrupt */ - lcd->intstatus = lcd->intstatus; - au_sync(); - - return IRQ_HANDLED; -} - -/*-------------------------------------------------------------------------*/ - -/* AU1200 LCD device probe helpers */ - -static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev) -{ - struct fb_info *fbi = &fbdev->fb_info; - int bpp; - - memset(fbi, 0, sizeof(struct fb_info)); - fbi->fbops = &au1200fb_fb_ops; - - bpp = winbpp(win->w[fbdev->plane].mode_winctrl1); - - /* Copy monitor specs from panel data */ - /* fixme: we're setting up LCD controller windows, so these dont give a - damn as to what the monitor specs are (the panel itself does, but that - isnt done here...so maybe need a generic catchall monitor setting??? */ - memcpy(&fbi->monspecs, &panel->monspecs, sizeof(struct fb_monspecs)); - - /* We first try the user mode passed in argument. If that failed, - * or if no one has been specified, we default to the first mode of the - * panel list. Note that after this call, var data will be set */ - if (!fb_find_mode(&fbi->var, - fbi, - NULL, /* drv_info.opt_mode, */ - fbi->monspecs.modedb, - fbi->monspecs.modedb_len, - fbi->monspecs.modedb, - bpp)) { - - print_err("Cannot find valid mode for panel %s", panel->name); - return -EFAULT; - } - - fbi->pseudo_palette = kmalloc(sizeof(u32) * 16, GFP_KERNEL); - if (!fbi->pseudo_palette) { - return -ENOMEM; - } - memset(fbi->pseudo_palette, 0, sizeof(u32) * 16); - - if (fb_alloc_cmap(&fbi->cmap, AU1200_LCD_NBR_PALETTE_ENTRIES, 0) < 0) { - print_err("Fail to allocate colormap (%d entries)", - AU1200_LCD_NBR_PALETTE_ENTRIES); - kfree(fbi->pseudo_palette); - return -EFAULT; - } - - strncpy(fbi->fix.id, "AU1200", sizeof(fbi->fix.id)); - fbi->fix.smem_start = fbdev->fb_phys; - fbi->fix.smem_len = fbdev->fb_len; - fbi->fix.type = FB_TYPE_PACKED_PIXELS; - fbi->fix.xpanstep = 0; - fbi->fix.ypanstep = 0; - fbi->fix.mmio_start = 0; - fbi->fix.mmio_len = 0; - fbi->fix.accel = FB_ACCEL_NONE; - - fbi->screen_base = (char __iomem *) fbdev->fb_mem; - - au1200fb_update_fbinfo(fbi); - - return 0; -} - -/*-------------------------------------------------------------------------*/ - -/* AU1200 LCD controller device driver */ - -static int au1200fb_drv_probe(struct device *dev) -{ - struct au1200fb_device *fbdev; - unsigned long page; - int bpp, plane, ret; - - if (!dev) - return -EINVAL; - - for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) { - bpp = winbpp(win->w[plane].mode_winctrl1); - if (win->w[plane].xres == 0) - win->w[plane].xres = panel->Xres; - if (win->w[plane].yres == 0) - win->w[plane].yres = panel->Yres; - - fbdev = &_au1200fb_devices[plane]; - memset(fbdev, 0, sizeof(struct au1200fb_device)); - fbdev->plane = plane; - - /* Allocate the framebuffer to the maximum screen size */ - fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8; - - fbdev->fb_mem = dma_alloc_noncoherent(dev, - PAGE_ALIGN(fbdev->fb_len), - &fbdev->fb_phys, GFP_KERNEL); - if (!fbdev->fb_mem) { - print_err("fail to allocate frambuffer (size: %dK))", - fbdev->fb_len / 1024); - return -ENOMEM; - } - - /* - * Set page reserved so that mmap will work. This is necessary - * since we'll be remapping normal memory. - */ - for (page = (unsigned long)fbdev->fb_phys; - page < PAGE_ALIGN((unsigned long)fbdev->fb_phys + - fbdev->fb_len); - page += PAGE_SIZE) { - SetPageReserved(pfn_to_page(page >> PAGE_SHIFT)); /* LCD DMA is NOT coherent on Au1200 */ - } - print_dbg("Framebuffer memory map at %p", fbdev->fb_mem); - print_dbg("phys=0x%08x, size=%dK", fbdev->fb_phys, fbdev->fb_len / 1024); - - /* Init FB data */ - if ((ret = au1200fb_init_fbinfo(fbdev)) < 0) - goto failed; - - /* Register new framebuffer */ - if ((ret = register_framebuffer(&fbdev->fb_info)) < 0) { - print_err("cannot register new framebuffer"); - goto failed; - } - - au1200fb_fb_set_par(&fbdev->fb_info); - -#if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO) - if (plane == 0) - if (fb_prepare_logo(&fbdev->fb_info, FB_ROTATE_UR)) { - /* Start display and show logo on boot */ - fb_set_cmap(&fbdev->fb_info.cmap, - &fbdev->fb_info); - - fb_show_logo(&fbdev->fb_info, FB_ROTATE_UR); - } -#endif - } - - /* Now hook interrupt too */ - if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq, - SA_INTERRUPT | SA_SHIRQ, "lcd", (void *)dev)) < 0) { - print_err("fail to request interrupt line %d (err: %d)", - AU1200_LCD_INT, ret); - goto failed; - } - - return 0; - -failed: - /* NOTE: This only does the current plane/window that failed; others are still active */ - if (fbdev->fb_mem) - dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len), - fbdev->fb_mem, fbdev->fb_phys); - if (fbdev->fb_info.cmap.len != 0) - fb_dealloc_cmap(&fbdev->fb_info.cmap); - if (fbdev->fb_info.pseudo_palette) - kfree(fbdev->fb_info.pseudo_palette); - if (plane == 0) - free_irq(AU1200_LCD_INT, (void*)dev); - return ret; -} - -static int au1200fb_drv_remove(struct device *dev) -{ - struct au1200fb_device *fbdev; - int plane; - - if (!dev) - return -ENODEV; - - /* Turn off the panel */ - au1200_setpanel(NULL); - - for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) - { - fbdev = &_au1200fb_devices[plane]; - - /* Clean up all probe data */ - unregister_framebuffer(&fbdev->fb_info); - if (fbdev->fb_mem) - dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len), - fbdev->fb_mem, fbdev->fb_phys); - if (fbdev->fb_info.cmap.len != 0) - fb_dealloc_cmap(&fbdev->fb_info.cmap); - if (fbdev->fb_info.pseudo_palette) - kfree(fbdev->fb_info.pseudo_palette); - } - - free_irq(AU1200_LCD_INT, (void *)dev); - - return 0; -} - -#ifdef CONFIG_PM -static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level) -{ - /* TODO */ - return 0; -} - -static int au1200fb_drv_resume(struct device *dev, u32 level) -{ - /* TODO */ - return 0; -} -#endif /* CONFIG_PM */ - -static struct device_driver au1200fb_driver = { - .name = "au1200-lcd", - .bus = &platform_bus_type, - .probe = au1200fb_drv_probe, - .remove = au1200fb_drv_remove, -#ifdef CONFIG_PM - .suspend = au1200fb_drv_suspend, - .resume = au1200fb_drv_resume, -#endif -}; - -/*-------------------------------------------------------------------------*/ - -/* Kernel driver */ - -static void au1200fb_setup(void) -{ - char* options = NULL; - char* this_opt; - int num_panels = ARRAY_SIZE(known_lcd_panels); - int panel_idx = -1; - - fb_get_options(DRIVER_NAME, &options); - - if (options) { - while ((this_opt = strsep(&options,",")) != NULL) { - /* Panel option - can be panel name, - * "bs" for board-switch, or number/index */ - if (!strncmp(this_opt, "panel:", 6)) { - int i; - long int li; - char *endptr; - this_opt += 6; - /* First check for index, which allows - * to short circuit this mess */ - li = simple_strtol(this_opt, &endptr, 0); - if (*endptr == '\0') { - panel_idx = (int)li; - } - else if (strcmp(this_opt, "bs") == 0) { - extern int board_au1200fb_panel(void); - panel_idx = board_au1200fb_panel(); - } - - else - for (i = 0; i < num_panels; i++) { - if (!strcmp(this_opt, known_lcd_panels[i].name)) { - panel_idx = i; - break; - } - } - - if ((panel_idx < 0) || (panel_idx >= num_panels)) { - print_warn("Panel %s not supported!", this_opt); - } - else - panel_index = panel_idx; - } - - else if (strncmp(this_opt, "nohwcursor", 10) == 0) { - nohwcursor = 1; - } - - /* Unsupported option */ - else { - print_warn("Unsupported option \"%s\"", this_opt); - } - } - } -} - -#ifdef CONFIG_PM -static int au1200fb_pm_callback(au1xxx_power_dev_t *dev, - au1xxx_request_t request, void *data) { - int retval = -1; - unsigned int d = 0; - unsigned int brightness = 0; - - if (request == AU1XXX_PM_SLEEP) { - board_au1200fb_panel_shutdown(); - } - else if (request == AU1XXX_PM_WAKEUP) { - if(dev->prev_state == SLEEP_STATE) - { - int plane; - au1200_setpanel(panel); - for (plane = 0; plane < CONFIG_FB_AU1200_DEVS; ++plane) { - struct au1200fb_device *fbdev; - fbdev = &_au1200fb_devices[plane]; - au1200fb_fb_set_par(&fbdev->fb_info); - } - } - - d = *((unsigned int*)data); - if(d <=10) brightness = 26; - else if(d<=20) brightness = 51; - else if(d<=30) brightness = 77; - else if(d<=40) brightness = 102; - else if(d<=50) brightness = 128; - else if(d<=60) brightness = 153; - else if(d<=70) brightness = 179; - else if(d<=80) brightness = 204; - else if(d<=90) brightness = 230; - else brightness = 255; - set_brightness(brightness); - } else if (request == AU1XXX_PM_GETSTATUS) { - return dev->cur_state; - } else if (request == AU1XXX_PM_ACCESS) { - if (dev->cur_state != SLEEP_STATE) - return retval; - else { - au1200_setpanel(panel); - } - } else if (request == AU1XXX_PM_IDLE) { - } else if (request == AU1XXX_PM_CLEANUP) { - } - - return retval; -} -#endif - -static int __init au1200fb_init(void) -{ - print_info("" DRIVER_DESC ""); - - /* Setup driver with options */ - au1200fb_setup(); - - /* Point to the panel selected */ - panel = &known_lcd_panels[panel_index]; - win = &windows[window_index]; - - printk(DRIVER_NAME ": Panel %d %s\n", panel_index, panel->name); - printk(DRIVER_NAME ": Win %d %s\n", window_index, win->name); - - /* Kickstart the panel, the framebuffers/windows come soon enough */ - au1200_setpanel(panel); - - #ifdef CONFIG_PM - LCD_pm_dev = new_au1xxx_power_device("LCD", &au1200fb_pm_callback, NULL); - if ( LCD_pm_dev == NULL) - printk(KERN_INFO "Unable to create a power management device entry for the au1200fb.\n"); - else - printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n"); - #endif - - return driver_register(&au1200fb_driver); -} - -static void __exit au1200fb_cleanup(void) -{ - driver_unregister(&au1200fb_driver); -} - -module_init(au1200fb_init); -module_exit(au1200fb_cleanup); - -MODULE_DESCRIPTION(DRIVER_DESC); -MODULE_LICENSE("GPL"); diff --git a/include/asm-i386/i387.h b/include/asm-i386/i387.h index 7b1f01191e70..bc1d6edae1ed 100644 --- a/include/asm-i386/i387.h +++ b/include/asm-i386/i387.h @@ -58,13 +58,13 @@ static inline void __save_init_fpu( struct task_struct *tsk ) alternative_input( "fnsave %[fx] ;fwait;" GENERIC_NOP8 GENERIC_NOP4, "fxsave %[fx]\n" - "bt $7,%[fsw] ; jc 1f ; fnclex\n1:", + "bt $7,%[fsw] ; jnc 1f ; fnclex\n1:", X86_FEATURE_FXSR, [fx] "m" (tsk->thread.i387.fxsave), [fsw] "m" (tsk->thread.i387.fxsave.swd) : "memory"); /* AMD K7/K8 CPUs don't save/restore FDP/FIP/FOP unless an exception is pending. Clear the x87 state here by setting it to fixed - values. __per_cpu_offset[0] is a random variable that should be in L1 */ + values. safe_address is a random variable that should be in L1 */ alternative_input( GENERIC_NOP8 GENERIC_NOP2, "emms\n\t" /* clear stack tags */ diff --git a/include/asm-s390/cache.h b/include/asm-s390/cache.h index e20cdd9074db..cdf431b061bb 100644 --- a/include/asm-s390/cache.h +++ b/include/asm-s390/cache.h @@ -16,4 +16,6 @@ #define ARCH_KMALLOC_MINALIGN 8 +#define __read_mostly __attribute__((__section__(".data.read_mostly"))) + #endif diff --git a/include/asm-s390/futex.h b/include/asm-s390/futex.h index 6a332a9f099c..40c25e166a9b 100644 --- a/include/asm-s390/futex.h +++ b/include/asm-s390/futex.h @@ -1,6 +1,121 @@ -#ifndef _ASM_FUTEX_H -#define _ASM_FUTEX_H +#ifndef _ASM_S390_FUTEX_H +#define _ASM_S390_FUTEX_H -#include <asm-generic/futex.h> +#ifdef __KERNEL__ -#endif +#include <linux/futex.h> +#include <asm/errno.h> +#include <asm/uaccess.h> + +#ifndef __s390x__ +#define __futex_atomic_fixup \ + ".section __ex_table,\"a\"\n" \ + " .align 4\n" \ + " .long 0b,2b,1b,2b\n" \ + ".previous" +#else /* __s390x__ */ +#define __futex_atomic_fixup \ + ".section __ex_table,\"a\"\n" \ + " .align 8\n" \ + " .quad 0b,2b,1b,2b\n" \ + ".previous" +#endif /* __s390x__ */ + +#define __futex_atomic_op(insn, ret, oldval, newval, uaddr, oparg) \ + asm volatile(" l %1,0(%6)\n" \ + "0: " insn \ + " cs %1,%2,0(%6)\n" \ + "1: jl 0b\n" \ + " lhi %0,0\n" \ + "2:\n" \ + __futex_atomic_fixup \ + : "=d" (ret), "=&d" (oldval), "=&d" (newval), \ + "=m" (*uaddr) \ + : "0" (-EFAULT), "d" (oparg), "a" (uaddr), \ + "m" (*uaddr) : "cc" ); + +static inline int futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +{ + int op = (encoded_op >> 28) & 7; + int cmp = (encoded_op >> 24) & 15; + int oparg = (encoded_op << 8) >> 20; + int cmparg = (encoded_op << 20) >> 20; + int oldval = 0, newval, ret; + if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) + oparg = 1 << oparg; + + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + + inc_preempt_count(); + + switch (op) { + case FUTEX_OP_SET: + __futex_atomic_op("lr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_ADD: + __futex_atomic_op("lr %2,%1\nar %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_OR: + __futex_atomic_op("lr %2,%1\nor %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_ANDN: + __futex_atomic_op("lr %2,%1\nnr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + case FUTEX_OP_XOR: + __futex_atomic_op("lr %2,%1\nxr %2,%5\n", + ret, oldval, newval, uaddr, oparg); + break; + default: + ret = -ENOSYS; + } + + dec_preempt_count(); + + if (!ret) { + switch (cmp) { + case FUTEX_OP_CMP_EQ: ret = (oldval == cmparg); break; + case FUTEX_OP_CMP_NE: ret = (oldval != cmparg); break; + case FUTEX_OP_CMP_LT: ret = (oldval < cmparg); break; + case FUTEX_OP_CMP_GE: ret = (oldval >= cmparg); break; + case FUTEX_OP_CMP_LE: ret = (oldval <= cmparg); break; + case FUTEX_OP_CMP_GT: ret = (oldval > cmparg); break; + default: ret = -ENOSYS; + } + } + return ret; +} + +static inline int +futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +{ + int ret; + + if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) + return -EFAULT; + asm volatile(" cs %1,%4,0(%5)\n" + "0: lr %0,%1\n" + "1:\n" +#ifndef __s390x__ + ".section __ex_table,\"a\"\n" + " .align 4\n" + " .long 0b,1b\n" + ".previous" +#else /* __s390x__ */ + ".section __ex_table,\"a\"\n" + " .align 8\n" + " .quad 0b,1b\n" + ".previous" +#endif /* __s390x__ */ + : "=d" (ret), "+d" (oldval), "=m" (*uaddr) + : "0" (-EFAULT), "d" (newval), "a" (uaddr), "m" (*uaddr) + : "cc", "memory" ); + return oldval; +} + +#endif /* __KERNEL__ */ +#endif /* _ASM_S390_FUTEX_H */ diff --git a/include/asm-xtensa/signal.h b/include/asm-xtensa/signal.h index 5d6fc9cdf58d..a99c9aec64ec 100644 --- a/include/asm-xtensa/signal.h +++ b/include/asm-xtensa/signal.h @@ -118,9 +118,9 @@ typedef struct { * SA_INTERRUPT is also used by the irq handling routines. * SA_SHIRQ is for shared interrupt support on PCI and EISA. */ -#define SA_PROBE SA_ONESHOT #define SA_SAMPLE_RANDOM SA_RESTART #define SA_SHIRQ 0x04000000 +#define SA_PROBEIRQ 0x08000000 #endif #define SIG_BLOCK 0 /* for blocking signals */ diff --git a/include/linux/signal.h b/include/linux/signal.h index 162a8fd10b29..70739f51a09f 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -14,10 +14,12 @@ * * SA_INTERRUPT is also used by the irq handling routines. * SA_SHIRQ is for shared interrupt support on PCI and EISA. + * SA_PROBEIRQ is set by callers when they expect sharing mismatches to occur */ -#define SA_PROBE SA_ONESHOT #define SA_SAMPLE_RANDOM SA_RESTART #define SA_SHIRQ 0x04000000 +#define SA_PROBEIRQ 0x08000000 + /* * As above, these correspond to the IORESOURCE_IRQ_* defines in * linux/ioport.h to select the interrupt line behaviour. When diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index ac766ad573e8..1279e3499534 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -246,8 +246,10 @@ int setup_irq(unsigned int irq, struct irqaction * new) mismatch: spin_unlock_irqrestore(&desc->lock, flags); - printk(KERN_ERR "%s: irq handler mismatch\n", __FUNCTION__); - dump_stack(); + if (!(new->flags & SA_PROBEIRQ)) { + printk(KERN_ERR "%s: irq handler mismatch\n", __FUNCTION__); + dump_stack(); + } return -EBUSY; } diff --git a/kernel/power/main.c b/kernel/power/main.c index ee371f50ccaa..a6d9ef46009e 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -272,7 +272,7 @@ static ssize_t state_store(struct subsystem * subsys, const char * buf, size_t n if (*s && !strncmp(buf, *s, len)) break; } - if (*s) + if (state < PM_SUSPEND_MAX && *s) error = enter_state(state); else error = -EINVAL; diff --git a/mm/slab.c b/mm/slab.c index af5c5237e11a..c32af7e7581e 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -979,7 +979,8 @@ static void __drain_alien_cache(struct kmem_cache *cachep, * That way we could avoid the overhead of putting the objects * into the free lists and getting them back later. */ - transfer_objects(rl3->shared, ac, ac->limit); + if (rl3->shared) + transfer_objects(rl3->shared, ac, ac->limit); free_block(cachep, ac->entry, ac->avail, node); ac->avail = 0; diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig index 6275266dde2e..558c6ed443be 100644 --- a/sound/oss/Kconfig +++ b/sound/oss/Kconfig @@ -478,6 +478,20 @@ config SOUND_ACI_MIXER This driver is also available as a module and will be called aci. +config SOUND_CS4232 + tristate "Crystal CS4232 based (PnP) cards" + depends on SOUND_OSS + help + Say Y here if you have a card based on the Crystal CS4232 chip set, + which uses its own Plug and Play protocol. + + If you compile the driver into the kernel, you have to add + "cs4232=<io>,<irq>,<dma>,<dma2>,<mpuio>,<mpuirq>" to the kernel + command line. + + See <file:Documentation/sound/oss/CS4232> for more information on + configuring this card. + config SOUND_VMIDI tristate "Loopback MIDI device support" depends on SOUND_OSS |