int gsc_common_setup(struct parisc_device *parent, struct gsc_asic *gsc_asic) { struct resource *res; int i; gsc_asic->gsc = parent; /* Initialise local irq -> global irq mapping */ for (i = 0; i < 32; i++) { gsc_asic->global_irq[i] = NO_IRQ; } /* allocate resource region */ res = request_mem_region(gsc_asic->hpa, 0x100000, gsc_asic->name); if (res) { res->flags = IORESOURCE_MEM; /* do not mark it busy ! */ } #if 0 printk(KERN_WARNING "%s IRQ %d EIM 0x%x", gsc_asic->name, parent->irq, gsc_asic->eim); if (gsc_readl(gsc_asic->hpa + OFFSET_IMR)) printk(" IMR is non-zero! (0x%x)", gsc_readl(gsc_asic->hpa + OFFSET_IMR)); printk("\n"); #endif return 0; }
static int __init lasi_init_chip(struct parisc_device *dev) { extern void (*chassis_power_off)(void); struct gsc_asic *lasi; struct gsc_irq gsc_irq; int ret; lasi = kzalloc(sizeof(*lasi), GFP_KERNEL); if (!lasi) return -ENOMEM; lasi->name = "Lasi"; lasi->hpa = dev->hpa.start; lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf; printk(KERN_INFO "%s version %d at 0x%lx found.\n", lasi->name, lasi->version, lasi->hpa); lasi_led_init(lasi->hpa); lasi_init_irq(lasi); dev->irq = gsc_alloc_irq(&gsc_irq); if (dev->irq < 0) { printk(KERN_ERR "%s(): cannot get GSC irq\n", __func__); kfree(lasi); return -EBUSY; } lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data; ret = request_irq(gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi); if (ret < 0) { kfree(lasi); return ret; } gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR); ret = gsc_common_setup(dev, lasi); if (ret) { kfree(lasi); return ret; } gsc_fixup_irqs(dev, lasi, lasi_choose_irq); lasi_power_off_hpa = lasi->hpa; chassis_power_off = lasi_power_off; return ret; }
static void __init lasi_init_irq(struct gsc_asic *this_lasi) { unsigned long lasi_base = this_lasi->hpa; /* Stop LASI barking for a bit */ gsc_writel(0x00000000, lasi_base+OFFSET_IMR); /* clear pending interrupts */ gsc_readl(lasi_base+OFFSET_IRR); /* We're not really convinced we want to reset the onboard * devices. Firmware does it for us... */ /* Resets */ /* gsc_writel(0xFFFFFFFF, lasi_base+0x2000);*/ /* Parallel */ if(pdc_add_valid(lasi_base+0x4004) == PDC_OK) gsc_writel(0xFFFFFFFF, lasi_base+0x4004); /* Audio */ /* gsc_writel(0xFFFFFFFF, lasi_base+0x5000);*/ /* Serial */ /* gsc_writel(0xFFFFFFFF, lasi_base+0x6000);*/ /* SCSI */ gsc_writel(0xFFFFFFFF, lasi_base+0x7000); /* LAN */ gsc_writel(0xFFFFFFFF, lasi_base+0x8000); /* Keyboard */ gsc_writel(0xFFFFFFFF, lasi_base+0xA000); /* FDC */ /* Ok we hit it on the head with a hammer, our Dog is now ** comatose and muzzled. Devices will now unmask LASI ** interrupts as they are registered as irq's in the LASI range. */ /* XXX: I thought it was `awks that got `it on the `ead with an * `ammer. -- willy */ }
static int __init lasi_init_chip(struct parisc_device *dev) { extern void (*chassis_power_off)(void); struct gsc_asic *lasi; struct gsc_irq gsc_irq; int ret; lasi = kzalloc(sizeof(*lasi), GFP_KERNEL); if (!lasi) return -ENOMEM; lasi->name = "Lasi"; lasi->hpa = dev->hpa.start; /* Check the 4-bit (yes, only 4) version register */ lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf; printk(KERN_INFO "%s version %d at 0x%lx found.\n", lasi->name, lasi->version, lasi->hpa); /* initialize the chassis LEDs really early */ lasi_led_init(lasi->hpa); /* Stop LASI barking for a bit */ lasi_init_irq(lasi); /* the IRQ lasi should use */ dev->irq = gsc_alloc_irq(&gsc_irq); if (dev->irq < 0) { printk(KERN_ERR "%s(): cannot get GSC irq\n", __func__); kfree(lasi); return -EBUSY; } lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data; ret = request_irq(gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi); if (ret < 0) { kfree(lasi); return ret; } /* enable IRQ's for devices below LASI */ gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR); /* Done init'ing, register this driver */ ret = gsc_common_setup(dev, lasi); if (ret) { kfree(lasi); return ret; } gsc_fixup_irqs(dev, lasi, lasi_choose_irq); /* initialize the power off function */ lasi_power_off_hpa = lasi->hpa; chassis_power_off = lasi_power_off; return ret; }
static void gsc_asic_mask_irq(unsigned int irq) { struct gsc_asic *irq_dev = get_irq_chip_data(irq); int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, irq_dev->name, imr); /* Disable the IRQ line by clearing the bit in the IMR */ imr = gsc_readl(irq_dev->hpa + OFFSET_IMR); imr &= ~(1 << local_irq); gsc_writel(imr, irq_dev->hpa + OFFSET_IMR); }
static void gsc_asic_enable_irq(unsigned int irq) { struct irq_desc *desc = irq_to_desc(irq); struct gsc_asic *irq_dev = desc->chip_data; int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, irq_dev->name, imr); /* Enable the IRQ line by setting the bit in the IMR */ imr = gsc_readl(irq_dev->hpa + OFFSET_IMR); imr |= 1 << local_irq; gsc_writel(imr, irq_dev->hpa + OFFSET_IMR); }
static void polling_tasklet_func(unsigned long soft_power_reg) { unsigned long current_status; if (!pwrsw_enabled) return; current_status = gsc_readl(soft_power_reg); if (current_status & 0x1) { /* power switch button not pressed */ shutdown_timer = 0; } else { process_shutdown(); } }
/* main kernel thread worker. It polls the button state */ static int kpowerswd(void *param) { __set_current_state(TASK_RUNNING); do { int button_not_pressed; unsigned long soft_power_reg = (unsigned long) param; schedule_timeout_interruptible(pwrsw_enabled ? HZ : HZ/POWERSWITCH_POLL_PER_SEC); __set_current_state(TASK_RUNNING); if (unlikely(!pwrsw_enabled)) continue; if (soft_power_reg) { /* * Non-Gecko-style machines: * Check the power switch status which is read from the * real I/O location at soft_power_reg. * Bit 31 ("the lowest bit) is the status of the power switch. * This bit is "1" if the button is NOT pressed. */ button_not_pressed = (gsc_readl(soft_power_reg) & 0x1); } else { /* * On gecko style machines (e.g. 712/xx and 715/xx) * the power switch status is stored in Bit 0 ("the highest bit") * of CPU diagnose register 25. * Warning: Some machines never reset the DIAG flag, even if * the button has been released again. */ button_not_pressed = (__getDIAG(25) & 0x80000000); } if (likely(button_not_pressed)) { if (unlikely(shutdown_timer && /* avoid writing if not necessary */ shutdown_timer < (POWERSWITCH_DOWN_SEC*POWERSWITCH_POLL_PER_SEC))) { shutdown_timer = 0; printk(KERN_INFO KTHREAD_NAME ": Shutdown request aborted.\n"); } } else process_shutdown(); } while (!kthread_should_stop()); return 0; }
static int kpowerswd(void *param) { __set_current_state(TASK_RUNNING); do { int button_not_pressed; unsigned long soft_power_reg = (unsigned long) param; schedule_timeout_interruptible(pwrsw_enabled ? HZ : HZ/POWERSWITCH_POLL_PER_SEC); __set_current_state(TASK_RUNNING); if (unlikely(!pwrsw_enabled)) continue; if (soft_power_reg) { /* */ button_not_pressed = (gsc_readl(soft_power_reg) & 0x1); } else { /* */ button_not_pressed = (__getDIAG(25) & 0x80000000); } if (likely(button_not_pressed)) { if (unlikely(shutdown_timer && /* */ shutdown_timer < (POWERSWITCH_DOWN_SEC*POWERSWITCH_POLL_PER_SEC))) { shutdown_timer = 0; printk(KERN_INFO KTHREAD_NAME ": Shutdown request aborted.\n"); } } else process_shutdown(); } while (!kthread_should_stop()); return 0; }
static void gsc_asic_unmask_irq(unsigned int irq) { struct gsc_asic *irq_dev = get_irq_chip_data(irq); int local_irq = gsc_find_local_irq(irq, irq_dev->global_irq, 32); u32 imr; DEBPRINTK(KERN_DEBUG "%s(%d) %s: IMR 0x%x\n", __func__, irq, irq_dev->name, imr); /* Enable the IRQ line by setting the bit in the IMR */ imr = gsc_readl(irq_dev->hpa + OFFSET_IMR); imr |= 1 << local_irq; gsc_writel(imr, irq_dev->hpa + OFFSET_IMR); /* * FIXME: read IPR to make sure the IRQ isn't already pending. * If so, we need to read IRR and manually call do_irq(). */ }
static void __init wax_init_irq(struct gsc_asic *wax) { unsigned long base = wax->hpa; /* Wax-off */ gsc_writel(0x00000000, base+OFFSET_IMR); /* clear pending interrupts */ gsc_readl(base+OFFSET_IRR); /* We're not really convinced we want to reset the onboard * devices. Firmware does it for us... */ /* Resets */ // gsc_writel(0xFFFFFFFF, base+0x1000); /* HIL */ // gsc_writel(0xFFFFFFFF, base+0x2000); /* RS232-B on Wax */ }
static void __init wax_init_irq(struct gsc_asic *wax) { unsigned long base = wax->hpa; /* */ gsc_writel(0x00000000, base+OFFSET_IMR); /* */ gsc_readl(base+OFFSET_IRR); /* */ /* */ // // }
/* Common interrupt demultiplexer used by Asp, Lasi & Wax. */ irqreturn_t gsc_asic_intr(int gsc_asic_irq, void *dev) { unsigned long irr; struct gsc_asic *gsc_asic = dev; irr = gsc_readl(gsc_asic->hpa + OFFSET_IRR); if (irr == 0) return IRQ_NONE; DEBPRINTK("%s intr, mask=0x%x\n", gsc_asic->name, irr); do { int local_irq = __ffs(irr); unsigned int irq = gsc_asic->global_irq[local_irq]; __do_IRQ(irq); irr &= ~(1 << local_irq); } while (irr); return IRQ_HANDLED; }
static void pa7300lc_lpmc(int code, struct pt_regs *regs) { u32 hpa; printk(KERN_WARNING "LPMC on CPU %d\n", smp_processor_id()); show_regs(regs); hpa = cpu_hpa(); printk(KERN_WARNING "MIOC_CONTROL %08x\n" "MIOC_STATUS %08x\n" "MDERRADD %08x\n" "DMAERR %08x\n" "DIOERR %08x\n" "HIDMAMEM %08x\n", gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS), gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR), gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM)); }
static void __init lasi_init_irq(struct gsc_asic *this_lasi) { unsigned long lasi_base = this_lasi->hpa; gsc_writel(0x00000000, lasi_base+OFFSET_IMR); gsc_readl(lasi_base+OFFSET_IRR); if(pdc_add_valid(lasi_base+0x4004) == PDC_OK) gsc_writel(0xFFFFFFFF, lasi_base+0x4004); gsc_writel(0xFFFFFFFF, lasi_base+0x7000); gsc_writel(0xFFFFFFFF, lasi_base+0x8000); gsc_writel(0xFFFFFFFF, lasi_base+0xA000); }
void sti_putc(struct sti_struct *sti, int c, int y, int x) { struct sti_font_inptr inptr = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; struct sti_font_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->font_unpmv, &default_font_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags clear_blkmv_flags = { .wait = STI_WAIT, .color = 1, .clear = 1, }; void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { struct sti_blkmv_inptr inptr = { .fg_color = color, .bg_color = color, .src_x = src_x, .src_y = src_y, .dest_x = src_x, .dest_y = src_y, .width = width, .height = height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { struct sti_blkmv_inptr inptr = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = src_x * sti->font_width, .dest_y = src_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags default_blkmv_flags = { .wait = STI_WAIT, }; void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { struct sti_blkmv_inptr inptr = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, .dest_y = dst_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &default_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static void sti_flush(unsigned long start, unsigned long end) { flush_icache_range(start, end); } static void __devinit sti_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_start = (unsigned long) dest; /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ while (count >= 4) { count -= 4; *(u32 *)dest = gsc_readl(base); base += 4; dest += 4; } while (count) { count--; *(u8 *)dest = gsc_readb(base); base++; dest++; } sti_flush(dest_start, (unsigned long)dest); } static char default_sti_path[21] __read_mostly; #ifndef MODULE static int __devinit sti_setup(char *str) { if (str) strlcpy (default_sti_path, str, sizeof (default_sti_path)); return 1; } __setup("sti=", sti_setup); #endif static char __devinitdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; static int __devinitdata font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; #ifndef MODULE static int __devinit sti_font_setup(char *str) { char *x; int i = 0; /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 * or sti_font=7 style command lines. */ while (i<MAX_STI_ROMS && str && *str) { if (*str>='0' && *str<='9') { if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { font_height[i] = simple_strtoul(str, NULL, 0); font_width[i] = simple_strtoul(x+1, NULL, 0); } else { font_index[i] = simple_strtoul(str, NULL, 0); } } else { font_name[i] = str; /* fb font name */ } if ((x = strchr(str, ','))) *x++ = 0; str = x; i++; } return 1; } __setup("sti_font=", sti_font_setup); #endif static void __devinit sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) { struct sti_glob_cfg_ext *cfg; DPRINTK((KERN_INFO "%d text planes\n" "%4d x %4d screen resolution\n" "%4d x %4d offscreen\n" "%4d x %4d layout\n" "regions at %08x %08x %08x %08x\n" "regions at %08x %08x %08x %08x\n" "reent_lvl %d\n" "save_addr %08x\n", glob_cfg->text_planes, glob_cfg->onscreen_x, glob_cfg->onscreen_y, glob_cfg->offscreen_x, glob_cfg->offscreen_y, glob_cfg->total_x, glob_cfg->total_y, glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], glob_cfg->reent_lvl, glob_cfg->save_addr)); /* dump extended cfg */ cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); DPRINTK(( KERN_INFO "monitor %d\n" "in friendly mode: %d\n" "power consumption %d watts\n" "freq ref %d\n" "sti_mem_addr %08x (size=%d bytes)\n", cfg->curr_mon, cfg->friendly_boot, cfg->power, cfg->freq_ref, cfg->sti_mem_addr, sti_mem_request)); } static void __devinit sti_dump_outptr(struct sti_struct *sti) { DPRINTK((KERN_INFO "%d bits per pixel\n" "%d used bits\n" "%d planes\n" "attributes %08x\n", sti->outptr.bits_per_pixel, sti->outptr.bits_used, sti->outptr.planes, sti->outptr.attributes)); }
int __init lasi_init_chip(struct parisc_device *dev) { struct busdevice *lasi; struct gsc_irq gsc_irq; int irq, ret; lasi = kmalloc(sizeof(struct busdevice), GFP_KERNEL); if (!lasi) return -ENOMEM; lasi->name = "Lasi"; lasi->hpa = dev->hpa; /* Check the 4-bit (yes, only 4) version register */ lasi->version = gsc_readl(lasi->hpa + LASI_VER) & 0xf; printk(KERN_INFO "%s version %d at 0x%lx found.\n", lasi->name, lasi->version, lasi->hpa); /* initialize the chassis LEDs really early */ lasi_led_init(lasi->hpa); /* Stop LASI barking for a bit */ lasi_init_irq(lasi); /* the IRQ lasi should use */ irq = gsc_alloc_irq(&gsc_irq); if (irq < 0) { printk(KERN_ERR "%s(): cannot get GSC irq\n", __FUNCTION__); kfree(lasi); return -EBUSY; } ret = request_irq(gsc_irq.irq, busdev_barked, 0, "lasi", lasi); if (ret < 0) { kfree(lasi); return ret; } /* Save this for debugging later */ lasi->parent_irq = gsc_irq.irq; lasi->eim = ((u32) gsc_irq.txn_addr) | gsc_irq.txn_data; /* enable IRQ's for devices below LASI */ gsc_writel(lasi->eim, lasi->hpa + OFFSET_IAR); /* Done init'ing, register this driver */ ret = gsc_common_irqsetup(dev, lasi); if (ret) { kfree(lasi); return ret; } fixup_child_irqs(dev, lasi->busdev_region->data.irqbase, lasi_choose_irq); /* initialize the power off function */ /* FIXME: Record the LASI HPA for the power off function. This should * ensure that only the first LASI (the one controlling the power off) * should set the HPA here */ lasi_power_off_hpa = lasi->hpa; pm_power_off = lasi_power_off; return ret; }
void sti_putc(struct sti_struct *sti, int c, int y, int x) { struct sti_font_inptr inptr = { .font_start_addr= STI_PTR(sti->font->raw), .index = c_index(sti, c), .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .dest_x = x * sti->font_width, .dest_y = y * sti->font_height, }; struct sti_font_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->font_unpmv, &default_font_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags clear_blkmv_flags = { .wait = STI_WAIT, .color = 1, .clear = 1, }; void sti_set(struct sti_struct *sti, int src_y, int src_x, int height, int width, u8 color) { struct sti_blkmv_inptr inptr = { .fg_color = color, .bg_color = color, .src_x = src_x, .src_y = src_y, .dest_x = src_x, .dest_y = src_y, .width = width, .height = height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } void sti_clear(struct sti_struct *sti, int src_y, int src_x, int height, int width, int c) { struct sti_blkmv_inptr inptr = { .fg_color = c_fg(sti, c), .bg_color = c_bg(sti, c), .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = src_x * sti->font_width, .dest_y = src_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &clear_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } static const struct sti_blkmv_flags default_blkmv_flags = { .wait = STI_WAIT, }; void sti_bmove(struct sti_struct *sti, int src_y, int src_x, int dst_y, int dst_x, int height, int width) { struct sti_blkmv_inptr inptr = { .src_x = src_x * sti->font_width, .src_y = src_y * sti->font_height, .dest_x = dst_x * sti->font_width, .dest_y = dst_y * sti->font_height, .width = width * sti->font_width, .height = height* sti->font_height, }; struct sti_blkmv_outptr outptr = { 0, }; s32 ret; unsigned long flags; do { spin_lock_irqsave(&sti->lock, flags); ret = STI_CALL(sti->block_move, &default_blkmv_flags, &inptr, &outptr, sti->glob_cfg); spin_unlock_irqrestore(&sti->lock, flags); } while (ret == 1); } /* FIXME: Do we have another solution for this ? */ static void sti_flush(unsigned long from, unsigned long len) { flush_data_cache(); flush_kernel_dcache_range(from, len); flush_icache_range(from, from+len); } void __init sti_rom_copy(unsigned long base, unsigned long count, void *dest) { unsigned long dest_len = count; unsigned long dest_start = (unsigned long) dest; /* this still needs to be revisited (see arch/parisc/mm/init.c:246) ! */ while (count >= 4) { count -= 4; *(u32 *)dest = gsc_readl(base); base += 4; dest += 4; } while (count) { count--; *(u8 *)dest = gsc_readb(base); base++; dest++; } sti_flush(dest_start, dest_len); } static char default_sti_path[21] __read_mostly; #ifndef MODULE static int __init sti_setup(char *str) { if (str) strlcpy (default_sti_path, str, sizeof (default_sti_path)); return 1; } /* Assuming the machine has multiple STI consoles (=graphic cards) which * all get detected by sticon, the user may define with the linux kernel * parameter sti=<x> which of them will be the initial boot-console. * <x> is a number between 0 and MAX_STI_ROMS, with 0 as the default * STI screen. */ __setup("sti=", sti_setup); #endif static char __initdata *font_name[MAX_STI_ROMS] = { "VGA8x16", }; static int __initdata font_index[MAX_STI_ROMS], font_height[MAX_STI_ROMS], font_width[MAX_STI_ROMS]; #ifndef MODULE static int __init sti_font_setup(char *str) { char *x; int i = 0; /* we accept sti_font=VGA8x16, sti_font=10x20, sti_font=10*20 * or sti_font=7 style command lines. */ while (i<MAX_STI_ROMS && str && *str) { if (*str>='0' && *str<='9') { if ((x = strchr(str, 'x')) || (x = strchr(str, '*'))) { font_height[i] = simple_strtoul(str, NULL, 0); font_width[i] = simple_strtoul(x+1, NULL, 0); } else { font_index[i] = simple_strtoul(str, NULL, 0); } } else { font_name[i] = str; /* fb font name */ } if ((x = strchr(str, ','))) *x++ = 0; str = x; i++; } return 1; } /* The optional linux kernel parameter "sti_font" defines which font * should be used by the sticon driver to draw characters to the screen. * Possible values are: * - sti_font=<fb_fontname>: * <fb_fontname> is the name of one of the linux-kernel built-in * framebuffer font names (e.g. VGA8x16, SUN22x18). * This is only available if the fonts have been statically compiled * in with e.g. the CONFIG_FONT_8x16 or CONFIG_FONT_SUN12x22 options. * - sti_font=<number> * most STI ROMs have built-in HP specific fonts, which can be selected * by giving the desired number to the sticon driver. * NOTE: This number is machine and STI ROM dependend. * - sti_font=<height>x<width> (e.g. sti_font=16x8) * <height> and <width> gives hints to the height and width of the * font which the user wants. The sticon driver will try to use * a font with this height and width, but if no suitable font is * found, sticon will use the default 8x8 font. */ __setup("sti_font=", sti_font_setup); #endif static void __init sti_dump_globcfg(struct sti_glob_cfg *glob_cfg, unsigned int sti_mem_request) { struct sti_glob_cfg_ext *cfg; DPRINTK((KERN_INFO "%d text planes\n" "%4d x %4d screen resolution\n" "%4d x %4d offscreen\n" "%4d x %4d layout\n" "regions at %08x %08x %08x %08x\n" "regions at %08x %08x %08x %08x\n" "reent_lvl %d\n" "save_addr %08x\n", glob_cfg->text_planes, glob_cfg->onscreen_x, glob_cfg->onscreen_y, glob_cfg->offscreen_x, glob_cfg->offscreen_y, glob_cfg->total_x, glob_cfg->total_y, glob_cfg->region_ptrs[0], glob_cfg->region_ptrs[1], glob_cfg->region_ptrs[2], glob_cfg->region_ptrs[3], glob_cfg->region_ptrs[4], glob_cfg->region_ptrs[5], glob_cfg->region_ptrs[6], glob_cfg->region_ptrs[7], glob_cfg->reent_lvl, glob_cfg->save_addr)); /* dump extended cfg */ cfg = PTR_STI((unsigned long)glob_cfg->ext_ptr); DPRINTK(( KERN_INFO "monitor %d\n" "in friendly mode: %d\n" "power consumption %d watts\n" "freq ref %d\n" "sti_mem_addr %08x (size=%d bytes)\n", cfg->curr_mon, cfg->friendly_boot, cfg->power, cfg->freq_ref, cfg->sti_mem_addr, sti_mem_request)); } static void __init sti_dump_outptr(struct sti_struct *sti) { DPRINTK((KERN_INFO "%d bits per pixel\n" "%d used bits\n" "%d planes\n" "attributes %08x\n", sti->outptr.bits_per_pixel, sti->outptr.bits_used, sti->outptr.planes, sti->outptr.attributes)); }