| Message ID | 20231219-sam-sparc32-sunset-v3-v1-27-64bb44b598c5@ravnborg.org |
|---|---|
| State | Superseded |
| Headers | show |
| Series | sparc32: sunset sun4m and sun4d | expand |
Hi Sam Am 19.12.23 um 23:03 schrieb Sam Ravnborg via B4 Relay: > From: Sam Ravnborg <sam@ravnborg.org> > > The p9100 driver is only relevant for the Sparcbook 3 machine, > and with sun4m support removed this driver is no longer relevant. > > Signed-off-by: Sam Ravnborg <sam@ravnborg.org> > Cc: "David S. Miller" <davem@davemloft.net> > Cc: Arnd Bergmann <arnd@kernel.org> > Cc: Andreas Larsson <andreas@gaisler.com> > Cc: Helge Deller <deller@gmx.de> Thanks for cleaning up. Ack-by: Thomas Zimmermann <tzimmermann@suse.de> if the series is accepted. Best regards Thomas > --- > drivers/video/fbdev/Kconfig | 8 - > drivers/video/fbdev/Makefile | 1 - > drivers/video/fbdev/p9100.c | 372 ------------------------------------------- > 3 files changed, 381 deletions(-) > > diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig > index 94f6dca5856f..ebcc3815c7a5 100644 > --- a/drivers/video/fbdev/Kconfig > +++ b/drivers/video/fbdev/Kconfig > @@ -576,14 +576,6 @@ config FB_CG14 > This is the frame buffer device driver for the CGfourteen frame > buffer on Desktop SPARCsystems with the SX graphics option. > > -config FB_P9100 > - bool "P9100 (Sparcbook 3 only) support" > - depends on FB_SBUS > - select FB_SBUS_HELPERS > - help > - This is the frame buffer device driver for the P9100 card > - supported on Sparcbook 3 machines. > - > config FB_LEO > bool "Leo (ZX) support" > depends on FB_SBUS > diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile > index 8e15220152bd..bc9b24648347 100644 > --- a/drivers/video/fbdev/Makefile > +++ b/drivers/video/fbdev/Makefile > @@ -51,7 +51,6 @@ obj-$(CONFIG_FB_CG6) += cg6.o > obj-$(CONFIG_FB_CG3) += cg3.o > obj-$(CONFIG_FB_BW2) += bw2.o > obj-$(CONFIG_FB_CG14) += cg14.o > -obj-$(CONFIG_FB_P9100) += p9100.o > obj-$(CONFIG_FB_TCX) += tcx.o > obj-$(CONFIG_FB_LEO) += leo.o > obj-$(CONFIG_FB_ACORN) += acornfb.o > diff --git a/drivers/video/fbdev/p9100.c b/drivers/video/fbdev/p9100.c > deleted file mode 100644 > index e1356f8a866e..000000000000 > --- a/drivers/video/fbdev/p9100.c > +++ /dev/null > @@ -1,372 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-only > -/* p9100.c: P9100 frame buffer driver > - * > - * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) > - * Copyright 1999 Derrick J Brashear (shadow@dementia.org) > - * > - * Driver layout based loosely on tgafb.c, see that file for credits. > - */ > - > -#include <linux/module.h> > -#include <linux/kernel.h> > -#include <linux/errno.h> > -#include <linux/string.h> > -#include <linux/delay.h> > -#include <linux/init.h> > -#include <linux/fb.h> > -#include <linux/mm.h> > -#include <linux/of.h> > -#include <linux/platform_device.h> > - > -#include <asm/io.h> > -#include <asm/fbio.h> > - > -#include "sbuslib.h" > - > -/* > - * Local functions. > - */ > - > -static int p9100_setcolreg(unsigned, unsigned, unsigned, unsigned, > - unsigned, struct fb_info *); > -static int p9100_blank(int, struct fb_info *); > - > -static int p9100_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma); > -static int p9100_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg); > - > -/* > - * Frame buffer operations > - */ > - > -static const struct fb_ops p9100_ops = { > - .owner = THIS_MODULE, > - FB_DEFAULT_SBUS_OPS(p9100), > - .fb_setcolreg = p9100_setcolreg, > - .fb_blank = p9100_blank, > -}; > - > -/* P9100 control registers */ > -#define P9100_SYSCTL_OFF 0x0UL > -#define P9100_VIDEOCTL_OFF 0x100UL > -#define P9100_VRAMCTL_OFF 0x180UL > -#define P9100_RAMDAC_OFF 0x200UL > -#define P9100_VIDEOCOPROC_OFF 0x400UL > - > -/* P9100 command registers */ > -#define P9100_CMD_OFF 0x0UL > - > -/* P9100 framebuffer memory */ > -#define P9100_FB_OFF 0x0UL > - > -/* 3 bits: 2=8bpp 3=16bpp 5=32bpp 7=24bpp */ > -#define SYS_CONFIG_PIXELSIZE_SHIFT 26 > - > -#define SCREENPAINT_TIMECTL1_ENABLE_VIDEO 0x20 /* 0 = off, 1 = on */ > - > -struct p9100_regs { > - /* Registers for the system control */ > - u32 sys_base; > - u32 sys_config; > - u32 sys_intr; > - u32 sys_int_ena; > - u32 sys_alt_rd; > - u32 sys_alt_wr; > - u32 sys_xxx[58]; > - > - /* Registers for the video control */ > - u32 vid_base; > - u32 vid_hcnt; > - u32 vid_htotal; > - u32 vid_hsync_rise; > - u32 vid_hblank_rise; > - u32 vid_hblank_fall; > - u32 vid_hcnt_preload; > - u32 vid_vcnt; > - u32 vid_vlen; > - u32 vid_vsync_rise; > - u32 vid_vblank_rise; > - u32 vid_vblank_fall; > - u32 vid_vcnt_preload; > - u32 vid_screenpaint_addr; > - u32 vid_screenpaint_timectl1; > - u32 vid_screenpaint_qsfcnt; > - u32 vid_screenpaint_timectl2; > - u32 vid_xxx[15]; > - > - /* Registers for the video control */ > - u32 vram_base; > - u32 vram_memcfg; > - u32 vram_refresh_pd; > - u32 vram_refresh_cnt; > - u32 vram_raslo_max; > - u32 vram_raslo_cur; > - u32 pwrup_cfg; > - u32 vram_xxx[25]; > - > - /* Registers for IBM RGB528 Palette */ > - u32 ramdac_cmap_wridx; > - u32 ramdac_palette_data; > - u32 ramdac_pixel_mask; > - u32 ramdac_palette_rdaddr; > - u32 ramdac_idx_lo; > - u32 ramdac_idx_hi; > - u32 ramdac_idx_data; > - u32 ramdac_idx_ctl; > - u32 ramdac_xxx[1784]; > -}; > - > -struct p9100_cmd_parameng { > - u32 parameng_status; > - u32 parameng_bltcmd; > - u32 parameng_quadcmd; > -}; > - > -struct p9100_par { > - spinlock_t lock; > - struct p9100_regs __iomem *regs; > - > - u32 flags; > -#define P9100_FLAG_BLANKED 0x00000001 > - > - unsigned long which_io; > -}; > - > -/** > - * p9100_setcolreg - Optional function. Sets a color register. > - * @regno: boolean, 0 copy local, 1 get_user() function > - * @red: frame buffer colormap structure > - * @green: The green value which can be up to 16 bits wide > - * @blue: The blue value which can be up to 16 bits wide. > - * @transp: If supported the alpha value which can be up to 16 bits wide. > - * @info: frame buffer info structure > - */ > -static int p9100_setcolreg(unsigned regno, > - unsigned red, unsigned green, unsigned blue, > - unsigned transp, struct fb_info *info) > -{ > - struct p9100_par *par = (struct p9100_par *) info->par; > - struct p9100_regs __iomem *regs = par->regs; > - unsigned long flags; > - > - if (regno >= 256) > - return 1; > - > - red >>= 8; > - green >>= 8; > - blue >>= 8; > - > - spin_lock_irqsave(&par->lock, flags); > - > - sbus_writel((regno << 16), ®s->ramdac_cmap_wridx); > - sbus_writel((red << 16), ®s->ramdac_palette_data); > - sbus_writel((green << 16), ®s->ramdac_palette_data); > - sbus_writel((blue << 16), ®s->ramdac_palette_data); > - > - spin_unlock_irqrestore(&par->lock, flags); > - > - return 0; > -} > - > -/** > - * p9100_blank - Optional function. Blanks the display. > - * @blank: the blank mode we want. > - * @info: frame buffer structure that represents a single frame buffer > - */ > -static int > -p9100_blank(int blank, struct fb_info *info) > -{ > - struct p9100_par *par = (struct p9100_par *) info->par; > - struct p9100_regs __iomem *regs = par->regs; > - unsigned long flags; > - u32 val; > - > - spin_lock_irqsave(&par->lock, flags); > - > - switch (blank) { > - case FB_BLANK_UNBLANK: /* Unblanking */ > - val = sbus_readl(®s->vid_screenpaint_timectl1); > - val |= SCREENPAINT_TIMECTL1_ENABLE_VIDEO; > - sbus_writel(val, ®s->vid_screenpaint_timectl1); > - par->flags &= ~P9100_FLAG_BLANKED; > - break; > - > - case FB_BLANK_NORMAL: /* Normal blanking */ > - case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ > - case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ > - case FB_BLANK_POWERDOWN: /* Poweroff */ > - val = sbus_readl(®s->vid_screenpaint_timectl1); > - val &= ~SCREENPAINT_TIMECTL1_ENABLE_VIDEO; > - sbus_writel(val, ®s->vid_screenpaint_timectl1); > - par->flags |= P9100_FLAG_BLANKED; > - break; > - } > - > - spin_unlock_irqrestore(&par->lock, flags); > - > - return 0; > -} > - > -static struct sbus_mmap_map p9100_mmap_map[] = { > - { CG3_MMAP_OFFSET, 0, SBUS_MMAP_FBSIZE(1) }, > - { 0, 0, 0 } > -}; > - > -static int p9100_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma) > -{ > - struct p9100_par *par = (struct p9100_par *)info->par; > - > - return sbusfb_mmap_helper(p9100_mmap_map, > - info->fix.smem_start, info->fix.smem_len, > - par->which_io, vma); > -} > - > -static int p9100_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) > -{ > - /* Make it look like a cg3. */ > - return sbusfb_ioctl_helper(cmd, arg, info, > - FBTYPE_SUN3COLOR, 8, info->fix.smem_len); > -} > - > -/* > - * Initialisation > - */ > - > -static void p9100_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) > -{ > - snprintf(info->fix.id, sizeof(info->fix.id), "%pOFn", dp); > - > - info->fix.type = FB_TYPE_PACKED_PIXELS; > - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; > - > - info->fix.line_length = linebytes; > - > - info->fix.accel = FB_ACCEL_SUN_CGTHREE; > -} > - > -static int p9100_probe(struct platform_device *op) > -{ > - struct device_node *dp = op->dev.of_node; > - struct fb_info *info; > - struct p9100_par *par; > - int linebytes, err; > - > - info = framebuffer_alloc(sizeof(struct p9100_par), &op->dev); > - > - err = -ENOMEM; > - if (!info) > - goto out_err; > - par = info->par; > - > - spin_lock_init(&par->lock); > - > - /* This is the framebuffer and the only resource apps can mmap. */ > - info->fix.smem_start = op->resource[2].start; > - par->which_io = op->resource[2].flags & IORESOURCE_BITS; > - > - sbusfb_fill_var(&info->var, dp, 8); > - info->var.red.length = 8; > - info->var.green.length = 8; > - info->var.blue.length = 8; > - > - linebytes = of_getintprop_default(dp, "linebytes", info->var.xres); > - info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres); > - > - par->regs = of_ioremap(&op->resource[0], 0, > - sizeof(struct p9100_regs), "p9100 regs"); > - if (!par->regs) > - goto out_release_fb; > - > - info->fbops = &p9100_ops; > - info->screen_base = of_ioremap(&op->resource[2], 0, > - info->fix.smem_len, "p9100 ram"); > - if (!info->screen_base) > - goto out_unmap_regs; > - > - p9100_blank(FB_BLANK_UNBLANK, info); > - > - if (fb_alloc_cmap(&info->cmap, 256, 0)) > - goto out_unmap_screen; > - > - p9100_init_fix(info, linebytes, dp); > - > - err = register_framebuffer(info); > - if (err < 0) > - goto out_dealloc_cmap; > - > - fb_set_cmap(&info->cmap, info); > - > - dev_set_drvdata(&op->dev, info); > - > - printk(KERN_INFO "%pOF: p9100 at %lx:%lx\n", > - dp, > - par->which_io, info->fix.smem_start); > - > - return 0; > - > -out_dealloc_cmap: > - fb_dealloc_cmap(&info->cmap); > - > -out_unmap_screen: > - of_iounmap(&op->resource[2], info->screen_base, info->fix.smem_len); > - > -out_unmap_regs: > - of_iounmap(&op->resource[0], par->regs, sizeof(struct p9100_regs)); > - > -out_release_fb: > - framebuffer_release(info); > - > -out_err: > - return err; > -} > - > -static void p9100_remove(struct platform_device *op) > -{ > - struct fb_info *info = dev_get_drvdata(&op->dev); > - struct p9100_par *par = info->par; > - > - unregister_framebuffer(info); > - fb_dealloc_cmap(&info->cmap); > - > - of_iounmap(&op->resource[0], par->regs, sizeof(struct p9100_regs)); > - of_iounmap(&op->resource[2], info->screen_base, info->fix.smem_len); > - > - framebuffer_release(info); > -} > - > -static const struct of_device_id p9100_match[] = { > - { > - .name = "p9100", > - }, > - {}, > -}; > -MODULE_DEVICE_TABLE(of, p9100_match); > - > -static struct platform_driver p9100_driver = { > - .driver = { > - .name = "p9100", > - .of_match_table = p9100_match, > - }, > - .probe = p9100_probe, > - .remove_new = p9100_remove, > -}; > - > -static int __init p9100_init(void) > -{ > - if (fb_get_options("p9100fb", NULL)) > - return -ENODEV; > - > - return platform_driver_register(&p9100_driver); > -} > - > -static void __exit p9100_exit(void) > -{ > - platform_driver_unregister(&p9100_driver); > -} > - > -module_init(p9100_init); > -module_exit(p9100_exit); > - > -MODULE_DESCRIPTION("framebuffer driver for P9100 chipsets"); > -MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); > -MODULE_VERSION("2.0"); > -MODULE_LICENSE("GPL"); >
Hi Thomas, On Tue, Jan 02, 2024 at 09:26:27AM +0100, Thomas Zimmermann wrote: > Hi Sam > > Am 19.12.23 um 23:03 schrieb Sam Ravnborg via B4 Relay: > > From: Sam Ravnborg <sam@ravnborg.org> > > > > The p9100 driver is only relevant for the Sparcbook 3 machine, > > and with sun4m support removed this driver is no longer relevant. > > > > Signed-off-by: Sam Ravnborg <sam@ravnborg.org> > > Cc: "David S. Miller" <davem@davemloft.net> > > Cc: Arnd Bergmann <arnd@kernel.org> > > Cc: Andreas Larsson <andreas@gaisler.com> > > Cc: Helge Deller <deller@gmx.de> > > Thanks for cleaning up. > > Ack-by: Thomas Zimmermann <tzimmermann@suse.de> Thanks. > > if the series is accepted. As you may have seen there is a maintainer vacuum at the moment :-( That holds up clean-up a bit, and I cannot find the motivation/time to offer it myself at the moment (no sponsor for this type of work). Sam
diff --git a/drivers/video/fbdev/Kconfig b/drivers/video/fbdev/Kconfig index 94f6dca5856f..ebcc3815c7a5 100644 --- a/drivers/video/fbdev/Kconfig +++ b/drivers/video/fbdev/Kconfig @@ -576,14 +576,6 @@ config FB_CG14 This is the frame buffer device driver for the CGfourteen frame buffer on Desktop SPARCsystems with the SX graphics option. -config FB_P9100 - bool "P9100 (Sparcbook 3 only) support" - depends on FB_SBUS - select FB_SBUS_HELPERS - help - This is the frame buffer device driver for the P9100 card - supported on Sparcbook 3 machines. - config FB_LEO bool "Leo (ZX) support" depends on FB_SBUS diff --git a/drivers/video/fbdev/Makefile b/drivers/video/fbdev/Makefile index 8e15220152bd..bc9b24648347 100644 --- a/drivers/video/fbdev/Makefile +++ b/drivers/video/fbdev/Makefile @@ -51,7 +51,6 @@ obj-$(CONFIG_FB_CG6) += cg6.o obj-$(CONFIG_FB_CG3) += cg3.o obj-$(CONFIG_FB_BW2) += bw2.o obj-$(CONFIG_FB_CG14) += cg14.o -obj-$(CONFIG_FB_P9100) += p9100.o obj-$(CONFIG_FB_TCX) += tcx.o obj-$(CONFIG_FB_LEO) += leo.o obj-$(CONFIG_FB_ACORN) += acornfb.o diff --git a/drivers/video/fbdev/p9100.c b/drivers/video/fbdev/p9100.c deleted file mode 100644 index e1356f8a866e..000000000000 --- a/drivers/video/fbdev/p9100.c +++ /dev/null @@ -1,372 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* p9100.c: P9100 frame buffer driver - * - * Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net) - * Copyright 1999 Derrick J Brashear (shadow@dementia.org) - * - * Driver layout based loosely on tgafb.c, see that file for credits. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/fb.h> -#include <linux/mm.h> -#include <linux/of.h> -#include <linux/platform_device.h> - -#include <asm/io.h> -#include <asm/fbio.h> - -#include "sbuslib.h" - -/* - * Local functions. - */ - -static int p9100_setcolreg(unsigned, unsigned, unsigned, unsigned, - unsigned, struct fb_info *); -static int p9100_blank(int, struct fb_info *); - -static int p9100_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma); -static int p9100_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg); - -/* - * Frame buffer operations - */ - -static const struct fb_ops p9100_ops = { - .owner = THIS_MODULE, - FB_DEFAULT_SBUS_OPS(p9100), - .fb_setcolreg = p9100_setcolreg, - .fb_blank = p9100_blank, -}; - -/* P9100 control registers */ -#define P9100_SYSCTL_OFF 0x0UL -#define P9100_VIDEOCTL_OFF 0x100UL -#define P9100_VRAMCTL_OFF 0x180UL -#define P9100_RAMDAC_OFF 0x200UL -#define P9100_VIDEOCOPROC_OFF 0x400UL - -/* P9100 command registers */ -#define P9100_CMD_OFF 0x0UL - -/* P9100 framebuffer memory */ -#define P9100_FB_OFF 0x0UL - -/* 3 bits: 2=8bpp 3=16bpp 5=32bpp 7=24bpp */ -#define SYS_CONFIG_PIXELSIZE_SHIFT 26 - -#define SCREENPAINT_TIMECTL1_ENABLE_VIDEO 0x20 /* 0 = off, 1 = on */ - -struct p9100_regs { - /* Registers for the system control */ - u32 sys_base; - u32 sys_config; - u32 sys_intr; - u32 sys_int_ena; - u32 sys_alt_rd; - u32 sys_alt_wr; - u32 sys_xxx[58]; - - /* Registers for the video control */ - u32 vid_base; - u32 vid_hcnt; - u32 vid_htotal; - u32 vid_hsync_rise; - u32 vid_hblank_rise; - u32 vid_hblank_fall; - u32 vid_hcnt_preload; - u32 vid_vcnt; - u32 vid_vlen; - u32 vid_vsync_rise; - u32 vid_vblank_rise; - u32 vid_vblank_fall; - u32 vid_vcnt_preload; - u32 vid_screenpaint_addr; - u32 vid_screenpaint_timectl1; - u32 vid_screenpaint_qsfcnt; - u32 vid_screenpaint_timectl2; - u32 vid_xxx[15]; - - /* Registers for the video control */ - u32 vram_base; - u32 vram_memcfg; - u32 vram_refresh_pd; - u32 vram_refresh_cnt; - u32 vram_raslo_max; - u32 vram_raslo_cur; - u32 pwrup_cfg; - u32 vram_xxx[25]; - - /* Registers for IBM RGB528 Palette */ - u32 ramdac_cmap_wridx; - u32 ramdac_palette_data; - u32 ramdac_pixel_mask; - u32 ramdac_palette_rdaddr; - u32 ramdac_idx_lo; - u32 ramdac_idx_hi; - u32 ramdac_idx_data; - u32 ramdac_idx_ctl; - u32 ramdac_xxx[1784]; -}; - -struct p9100_cmd_parameng { - u32 parameng_status; - u32 parameng_bltcmd; - u32 parameng_quadcmd; -}; - -struct p9100_par { - spinlock_t lock; - struct p9100_regs __iomem *regs; - - u32 flags; -#define P9100_FLAG_BLANKED 0x00000001 - - unsigned long which_io; -}; - -/** - * p9100_setcolreg - Optional function. Sets a color register. - * @regno: boolean, 0 copy local, 1 get_user() function - * @red: frame buffer colormap structure - * @green: The green value which can be up to 16 bits wide - * @blue: The blue value which can be up to 16 bits wide. - * @transp: If supported the alpha value which can be up to 16 bits wide. - * @info: frame buffer info structure - */ -static int p9100_setcolreg(unsigned regno, - unsigned red, unsigned green, unsigned blue, - unsigned transp, struct fb_info *info) -{ - struct p9100_par *par = (struct p9100_par *) info->par; - struct p9100_regs __iomem *regs = par->regs; - unsigned long flags; - - if (regno >= 256) - return 1; - - red >>= 8; - green >>= 8; - blue >>= 8; - - spin_lock_irqsave(&par->lock, flags); - - sbus_writel((regno << 16), ®s->ramdac_cmap_wridx); - sbus_writel((red << 16), ®s->ramdac_palette_data); - sbus_writel((green << 16), ®s->ramdac_palette_data); - sbus_writel((blue << 16), ®s->ramdac_palette_data); - - spin_unlock_irqrestore(&par->lock, flags); - - return 0; -} - -/** - * p9100_blank - Optional function. Blanks the display. - * @blank: the blank mode we want. - * @info: frame buffer structure that represents a single frame buffer - */ -static int -p9100_blank(int blank, struct fb_info *info) -{ - struct p9100_par *par = (struct p9100_par *) info->par; - struct p9100_regs __iomem *regs = par->regs; - unsigned long flags; - u32 val; - - spin_lock_irqsave(&par->lock, flags); - - switch (blank) { - case FB_BLANK_UNBLANK: /* Unblanking */ - val = sbus_readl(®s->vid_screenpaint_timectl1); - val |= SCREENPAINT_TIMECTL1_ENABLE_VIDEO; - sbus_writel(val, ®s->vid_screenpaint_timectl1); - par->flags &= ~P9100_FLAG_BLANKED; - break; - - case FB_BLANK_NORMAL: /* Normal blanking */ - case FB_BLANK_VSYNC_SUSPEND: /* VESA blank (vsync off) */ - case FB_BLANK_HSYNC_SUSPEND: /* VESA blank (hsync off) */ - case FB_BLANK_POWERDOWN: /* Poweroff */ - val = sbus_readl(®s->vid_screenpaint_timectl1); - val &= ~SCREENPAINT_TIMECTL1_ENABLE_VIDEO; - sbus_writel(val, ®s->vid_screenpaint_timectl1); - par->flags |= P9100_FLAG_BLANKED; - break; - } - - spin_unlock_irqrestore(&par->lock, flags); - - return 0; -} - -static struct sbus_mmap_map p9100_mmap_map[] = { - { CG3_MMAP_OFFSET, 0, SBUS_MMAP_FBSIZE(1) }, - { 0, 0, 0 } -}; - -static int p9100_sbusfb_mmap(struct fb_info *info, struct vm_area_struct *vma) -{ - struct p9100_par *par = (struct p9100_par *)info->par; - - return sbusfb_mmap_helper(p9100_mmap_map, - info->fix.smem_start, info->fix.smem_len, - par->which_io, vma); -} - -static int p9100_sbusfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg) -{ - /* Make it look like a cg3. */ - return sbusfb_ioctl_helper(cmd, arg, info, - FBTYPE_SUN3COLOR, 8, info->fix.smem_len); -} - -/* - * Initialisation - */ - -static void p9100_init_fix(struct fb_info *info, int linebytes, struct device_node *dp) -{ - snprintf(info->fix.id, sizeof(info->fix.id), "%pOFn", dp); - - info->fix.type = FB_TYPE_PACKED_PIXELS; - info->fix.visual = FB_VISUAL_PSEUDOCOLOR; - - info->fix.line_length = linebytes; - - info->fix.accel = FB_ACCEL_SUN_CGTHREE; -} - -static int p9100_probe(struct platform_device *op) -{ - struct device_node *dp = op->dev.of_node; - struct fb_info *info; - struct p9100_par *par; - int linebytes, err; - - info = framebuffer_alloc(sizeof(struct p9100_par), &op->dev); - - err = -ENOMEM; - if (!info) - goto out_err; - par = info->par; - - spin_lock_init(&par->lock); - - /* This is the framebuffer and the only resource apps can mmap. */ - info->fix.smem_start = op->resource[2].start; - par->which_io = op->resource[2].flags & IORESOURCE_BITS; - - sbusfb_fill_var(&info->var, dp, 8); - info->var.red.length = 8; - info->var.green.length = 8; - info->var.blue.length = 8; - - linebytes = of_getintprop_default(dp, "linebytes", info->var.xres); - info->fix.smem_len = PAGE_ALIGN(linebytes * info->var.yres); - - par->regs = of_ioremap(&op->resource[0], 0, - sizeof(struct p9100_regs), "p9100 regs"); - if (!par->regs) - goto out_release_fb; - - info->fbops = &p9100_ops; - info->screen_base = of_ioremap(&op->resource[2], 0, - info->fix.smem_len, "p9100 ram"); - if (!info->screen_base) - goto out_unmap_regs; - - p9100_blank(FB_BLANK_UNBLANK, info); - - if (fb_alloc_cmap(&info->cmap, 256, 0)) - goto out_unmap_screen; - - p9100_init_fix(info, linebytes, dp); - - err = register_framebuffer(info); - if (err < 0) - goto out_dealloc_cmap; - - fb_set_cmap(&info->cmap, info); - - dev_set_drvdata(&op->dev, info); - - printk(KERN_INFO "%pOF: p9100 at %lx:%lx\n", - dp, - par->which_io, info->fix.smem_start); - - return 0; - -out_dealloc_cmap: - fb_dealloc_cmap(&info->cmap); - -out_unmap_screen: - of_iounmap(&op->resource[2], info->screen_base, info->fix.smem_len); - -out_unmap_regs: - of_iounmap(&op->resource[0], par->regs, sizeof(struct p9100_regs)); - -out_release_fb: - framebuffer_release(info); - -out_err: - return err; -} - -static void p9100_remove(struct platform_device *op) -{ - struct fb_info *info = dev_get_drvdata(&op->dev); - struct p9100_par *par = info->par; - - unregister_framebuffer(info); - fb_dealloc_cmap(&info->cmap); - - of_iounmap(&op->resource[0], par->regs, sizeof(struct p9100_regs)); - of_iounmap(&op->resource[2], info->screen_base, info->fix.smem_len); - - framebuffer_release(info); -} - -static const struct of_device_id p9100_match[] = { - { - .name = "p9100", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, p9100_match); - -static struct platform_driver p9100_driver = { - .driver = { - .name = "p9100", - .of_match_table = p9100_match, - }, - .probe = p9100_probe, - .remove_new = p9100_remove, -}; - -static int __init p9100_init(void) -{ - if (fb_get_options("p9100fb", NULL)) - return -ENODEV; - - return platform_driver_register(&p9100_driver); -} - -static void __exit p9100_exit(void) -{ - platform_driver_unregister(&p9100_driver); -} - -module_init(p9100_init); -module_exit(p9100_exit); - -MODULE_DESCRIPTION("framebuffer driver for P9100 chipsets"); -MODULE_AUTHOR("David S. Miller <davem@davemloft.net>"); -MODULE_VERSION("2.0"); -MODULE_LICENSE("GPL");