[SPARC]: Convert all FB SBUS drivers to of_driver framework.
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
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David S. Miller
David S. Miller
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3ca9fab410
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50312ce9dd
@ -1,6 +1,6 @@
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/* tcx.c: TCX frame buffer driver
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*
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* Copyright (C) 2003 David S. Miller (davem@redhat.com)
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* Copyright (C) 2003, 2006 David S. Miller (davem@davemloft.net)
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* Copyright (C) 1996,1998 Jakub Jelinek (jj@ultra.linux.cz)
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* Copyright (C) 1996 Miguel de Icaza (miguel@nuclecu.unam.mx)
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* Copyright (C) 1996 Eddie C. Dost (ecd@skynet.be)
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@ -19,8 +19,8 @@
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#include <linux/mm.h>
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#include <asm/io.h>
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#include <asm/sbus.h>
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#include <asm/oplib.h>
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#include <asm/prom.h>
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#include <asm/of_device.h>
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#include <asm/fbio.h>
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#include "sbuslib.h"
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@ -77,32 +77,32 @@ static struct fb_ops tcx_ops = {
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/* The contents are unknown */
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struct tcx_tec {
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volatile u32 tec_matrix;
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volatile u32 tec_clip;
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volatile u32 tec_vdc;
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u32 tec_matrix;
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u32 tec_clip;
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u32 tec_vdc;
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};
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struct tcx_thc {
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volatile u32 thc_rev;
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u32 thc_rev;
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u32 thc_pad0[511];
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volatile u32 thc_hs; /* hsync timing */
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volatile u32 thc_hsdvs;
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volatile u32 thc_hd;
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volatile u32 thc_vs; /* vsync timing */
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volatile u32 thc_vd;
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volatile u32 thc_refresh;
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volatile u32 thc_misc;
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u32 thc_hs; /* hsync timing */
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u32 thc_hsdvs;
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u32 thc_hd;
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u32 thc_vs; /* vsync timing */
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u32 thc_vd;
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u32 thc_refresh;
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u32 thc_misc;
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u32 thc_pad1[56];
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volatile u32 thc_cursxy; /* cursor x,y position (16 bits each) */
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volatile u32 thc_cursmask[32]; /* cursor mask bits */
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volatile u32 thc_cursbits[32]; /* what to show where mask enabled */
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u32 thc_cursxy; /* cursor x,y position (16 bits each) */
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u32 thc_cursmask[32]; /* cursor mask bits */
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u32 thc_cursbits[32]; /* what to show where mask enabled */
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};
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struct bt_regs {
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volatile u32 addr;
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volatile u32 color_map;
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volatile u32 control;
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volatile u32 cursor;
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u32 addr;
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u32 color_map;
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u32 control;
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u32 cursor;
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};
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#define TCX_MMAP_ENTRIES 14
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@ -112,24 +112,23 @@ struct tcx_par {
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struct bt_regs __iomem *bt;
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struct tcx_thc __iomem *thc;
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struct tcx_tec __iomem *tec;
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volatile u32 __iomem *cplane;
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u32 __iomem *cplane;
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u32 flags;
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#define TCX_FLAG_BLANKED 0x00000001
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unsigned long physbase;
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unsigned long which_io;
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unsigned long fbsize;
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struct sbus_mmap_map mmap_map[TCX_MMAP_ENTRIES];
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int lowdepth;
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struct sbus_dev *sdev;
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};
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/* Reset control plane so that WID is 8-bit plane. */
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static void __tcx_set_control_plane (struct tcx_par *par)
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{
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volatile u32 __iomem *p, *pend;
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u32 __iomem *p, *pend;
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if (par->lowdepth)
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return;
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@ -307,8 +306,7 @@ static int tcx_mmap(struct fb_info *info, struct vm_area_struct *vma)
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return sbusfb_mmap_helper(par->mmap_map,
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par->physbase, par->fbsize,
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par->sdev->reg_addrs[0].which_io,
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vma);
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par->which_io, vma);
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}
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static int tcx_ioctl(struct fb_info *info, unsigned int cmd,
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@ -350,48 +348,71 @@ tcx_init_fix(struct fb_info *info, int linebytes)
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struct all_info {
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struct fb_info info;
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struct tcx_par par;
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struct list_head list;
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};
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static LIST_HEAD(tcx_list);
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static void tcx_init_one(struct sbus_dev *sdev)
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static void tcx_unmap_regs(struct all_info *all)
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{
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if (all->par.tec)
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of_iounmap(all->par.tec, sizeof(struct tcx_tec));
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if (all->par.thc)
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of_iounmap(all->par.thc, sizeof(struct tcx_thc));
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if (all->par.bt)
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of_iounmap(all->par.bt, sizeof(struct bt_regs));
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if (all->par.cplane)
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of_iounmap(all->par.cplane, all->par.fbsize * sizeof(u32));
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if (all->info.screen_base)
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of_iounmap(all->info.screen_base, all->par.fbsize);
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}
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static int __devinit tcx_init_one(struct of_device *op)
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{
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struct device_node *dp = op->node;
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struct all_info *all;
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int linebytes, i;
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int linebytes, i, err;
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all = kmalloc(sizeof(*all), GFP_KERNEL);
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if (!all) {
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printk(KERN_ERR "tcx: Cannot allocate memory.\n");
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return;
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}
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memset(all, 0, sizeof(*all));
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INIT_LIST_HEAD(&all->list);
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all = kzalloc(sizeof(*all), GFP_KERNEL);
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if (!all)
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return -ENOMEM;
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spin_lock_init(&all->par.lock);
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all->par.sdev = sdev;
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all->par.lowdepth = prom_getbool(sdev->prom_node, "tcx-8-bit");
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all->par.lowdepth =
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(of_find_property(dp, "tcx-8-bit", NULL) != NULL);
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sbusfb_fill_var(&all->info.var, sdev->prom_node, 8);
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sbusfb_fill_var(&all->info.var, dp->node, 8);
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all->info.var.red.length = 8;
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all->info.var.green.length = 8;
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all->info.var.blue.length = 8;
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linebytes = prom_getintdefault(sdev->prom_node, "linebytes",
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all->info.var.xres);
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linebytes = of_getintprop_default(dp, "linebytes",
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all->info.var.xres);
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all->par.fbsize = PAGE_ALIGN(linebytes * all->info.var.yres);
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all->par.tec = sbus_ioremap(&sdev->resource[7], 0,
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sizeof(struct tcx_tec), "tcx tec");
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all->par.thc = sbus_ioremap(&sdev->resource[9], 0,
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sizeof(struct tcx_thc), "tcx thc");
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all->par.bt = sbus_ioremap(&sdev->resource[8], 0,
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sizeof(struct bt_regs), "tcx dac");
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all->par.tec = of_ioremap(&op->resource[7], 0,
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sizeof(struct tcx_tec), "tcx tec");
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all->par.thc = of_ioremap(&op->resource[9], 0,
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sizeof(struct tcx_thc), "tcx thc");
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all->par.bt = of_ioremap(&op->resource[8], 0,
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sizeof(struct bt_regs), "tcx dac");
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all->info.screen_base = of_ioremap(&op->resource[0], 0,
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all->par.fbsize, "tcx ram");
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if (!all->par.tec || !all->par.thc ||
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!all->par.bt || !all->info.screen_base) {
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tcx_unmap_regs(all);
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kfree(all);
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return -ENOMEM;
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}
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memcpy(&all->par.mmap_map, &__tcx_mmap_map, sizeof(all->par.mmap_map));
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if (!all->par.lowdepth) {
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all->par.cplane = sbus_ioremap(&sdev->resource[4], 0,
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all->par.fbsize * sizeof(u32), "tcx cplane");
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all->par.cplane = of_ioremap(&op->resource[4], 0,
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all->par.fbsize * sizeof(u32),
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"tcx cplane");
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if (!all->par.cplane) {
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tcx_unmap_regs(all);
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kfree(all);
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return -ENOMEM;
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}
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} else {
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all->par.mmap_map[1].size = SBUS_MMAP_EMPTY;
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all->par.mmap_map[4].size = SBUS_MMAP_EMPTY;
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@ -400,6 +421,8 @@ static void tcx_init_one(struct sbus_dev *sdev)
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}
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all->par.physbase = 0;
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all->par.which_io = op->resource[0].flags & IORESOURCE_BITS;
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for (i = 0; i < TCX_MMAP_ENTRIES; i++) {
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int j;
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@ -416,18 +439,11 @@ static void tcx_init_one(struct sbus_dev *sdev)
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j = i;
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break;
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};
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all->par.mmap_map[i].poff = sdev->reg_addrs[j].phys_addr;
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all->par.mmap_map[i].poff = op->resource[j].start;
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}
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all->info.flags = FBINFO_DEFAULT;
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all->info.fbops = &tcx_ops;
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#ifdef CONFIG_SPARC32
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all->info.screen_base = (char __iomem *)
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prom_getintdefault(sdev->prom_node, "address", 0);
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#endif
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if (!all->info.screen_base)
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all->info.screen_base = sbus_ioremap(&sdev->resource[0], 0,
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all->par.fbsize, "tcx ram");
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all->info.par = &all->par;
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/* Initialize brooktree DAC. */
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@ -445,72 +461,88 @@ static void tcx_init_one(struct sbus_dev *sdev)
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tcx_blank(FB_BLANK_UNBLANK, &all->info);
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if (fb_alloc_cmap(&all->info.cmap, 256, 0)) {
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printk(KERN_ERR "tcx: Could not allocate color map.\n");
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tcx_unmap_regs(all);
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kfree(all);
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return;
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return -ENOMEM;
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}
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fb_set_cmap(&all->info.cmap, &all->info);
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tcx_init_fix(&all->info, linebytes);
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if (register_framebuffer(&all->info) < 0) {
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printk(KERN_ERR "tcx: Could not register framebuffer.\n");
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err = register_framebuffer(&all->info);
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if (err < 0) {
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fb_dealloc_cmap(&all->info.cmap);
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tcx_unmap_regs(all);
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kfree(all);
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return;
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return err;
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}
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list_add(&all->list, &tcx_list);
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dev_set_drvdata(&op->dev, all);
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printk("tcx: %s at %lx:%lx, %s\n",
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sdev->prom_name,
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(long) sdev->reg_addrs[0].which_io,
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(long) sdev->reg_addrs[0].phys_addr,
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printk("%s: TCX at %lx:%lx, %s\n",
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dp->full_name,
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all->par.which_io,
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op->resource[0].start,
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all->par.lowdepth ? "8-bit only" : "24-bit depth");
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return 0;
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}
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static int __devinit tcx_probe(struct of_device *dev, const struct of_device_id *match)
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{
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struct of_device *op = to_of_device(&dev->dev);
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return tcx_init_one(op);
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}
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static int __devexit tcx_remove(struct of_device *dev)
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{
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struct all_info *all = dev_get_drvdata(&dev->dev);
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unregister_framebuffer(&all->info);
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fb_dealloc_cmap(&all->info.cmap);
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tcx_unmap_regs(all);
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kfree(all);
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dev_set_drvdata(&dev->dev, NULL);
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return 0;
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}
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static struct of_device_id tcx_match[] = {
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{
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.name = "SUNW,tcx",
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, tcx_match);
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static struct of_platform_driver tcx_driver = {
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.name = "tcx",
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.match_table = tcx_match,
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.probe = tcx_probe,
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.remove = __devexit_p(tcx_remove),
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};
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int __init tcx_init(void)
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{
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struct sbus_bus *sbus;
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struct sbus_dev *sdev;
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if (fb_get_options("tcxfb", NULL))
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return -ENODEV;
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for_all_sbusdev(sdev, sbus) {
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if (!strcmp(sdev->prom_name, "SUNW,tcx"))
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tcx_init_one(sdev);
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}
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return 0;
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return of_register_driver(&tcx_driver, &of_bus_type);
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}
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void __exit tcx_exit(void)
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{
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struct list_head *pos, *tmp;
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list_for_each_safe(pos, tmp, &tcx_list) {
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struct all_info *all = list_entry(pos, typeof(*all), list);
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unregister_framebuffer(&all->info);
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fb_dealloc_cmap(&all->info.cmap);
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kfree(all);
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}
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}
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int __init
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tcx_setup(char *arg)
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{
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/* No cmdline options yet... */
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return 0;
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of_unregister_driver(&tcx_driver);
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}
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module_init(tcx_init);
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#ifdef MODULE
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module_exit(tcx_exit);
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#endif
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MODULE_DESCRIPTION("framebuffer driver for TCX chipsets");
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MODULE_AUTHOR("David S. Miller <davem@redhat.com>");
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MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
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MODULE_VERSION("2.0");
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MODULE_LICENSE("GPL");
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