/* $Id$
* ffb_drv.h: Creator/Creator3D direct rendering driver.
*
* Copyright (C) 2000 David S. Miller (davem@redhat.com)
*/
/* Auxilliary clips. */
typedef struct {
volatile unsigned int min;
volatile unsigned int max;
} ffb_auxclip, *ffb_auxclipPtr;
/* FFB register set. */
typedef struct _ffb_fbc {
/* Next vertex registers, on the right we list which drawops
* use said register and the logical name the register has in
* that context.
*/ /* DESCRIPTION DRAWOP(NAME) */
/*0x00*/unsigned int pad1[3]; /* Reserved */
/*0x0c*/volatile unsigned int alpha; /* ALPHA Transparency */
/*0x10*/volatile unsigned int red; /* RED */
/*0x14*/volatile unsigned int green; /* GREEN */
/*0x18*/volatile unsigned int blue; /* BLUE */
/*0x1c*/volatile unsigned int z; /* DEPTH */
/*0x20*/volatile unsigned int y; /* Y triangle(DOYF) */
/* aadot(DYF) */
/* ddline(DYF) */
/* aaline(DYF) */
/*0x24*/volatile unsigned int x; /* X triangle(DOXF) */
/* aadot(DXF) */
/* ddline(DXF) */
/* aaline(DXF) */
/*0x28*/unsigned int pad2[2]; /* Reserved */
/*0x30*/volatile unsigned int ryf; /* Y (alias to DOYF) ddline(RYF) */
/* aaline(RYF) */
/* triangle(RYF) */
/*0x34*/volatile unsigned int rxf; /* X ddline(RXF) */
/* aaline(RXF) */
/* triangle(RXF) */
/*0x38*/unsigned int pad3[2]; /* Reserved */
/*0x40*/volatile unsigned int dmyf; /* Y (alias to DOYF) triangle(DMYF) */
/*0x44*/volatile unsigned int dmxf; /* X triangle(DMXF) */
/*0x48*/unsigned int pad4[2]; /* Reserved */
/*0x50*/volatile unsigned int ebyi; /* Y (alias to RYI) polygon(EBYI) */
/*0x54*/volatile unsigned int ebxi; /* X polygon(EBXI) */
/*0x58*/unsigned int pad5[2]; /* Reserved */
/*0x60*/volatile unsigned int by; /* Y brline(RYI) */
/* fastfill(OP) */
/* polygon(YI) */
/* rectangle(YI) */
/* bcopy(SRCY) */
/* vscroll(SRCY) */
/*0x64*/volatile unsigned int bx; /* X brline(RXI) */
/* polygon(XI) */
/* rectangle(XI) */
/* bcopy(SRCX) */
/* vscroll(SRCX) */
/* fastfill(GO) */
/*0x68*/volatile unsigned int dy; /* destination Y fastfill(DSTY) */
/* bcopy(DSRY) */
/* vscroll(DSRY) */
/*0x6c*/volatile unsigned int dx; /* destination X fastfill(DSTX) */
/* bcopy(DSTX) */
/* vscroll(DSTX) */
/*0x70*/volatile unsigned int bh; /* Y (alias to RYI) brline(DYI) */
/* dot(DYI) */
/* polygon(ETYI) */
/* Height fastfill(H) */
/* bcopy(H) */
/* vscroll(H) */
/* Y count fastfill(NY) */
/*0x74*/volatile unsigned int bw; /* X dot(DXI) */
/* brline(DXI) */
/* polygon(ETXI) */
/* fastfill(W) */
/* bcopy(W) */
/* vscroll(W) */
/* fastfill(NX) */
/*0x78*/unsigned int pad6[2]; /* Reserved */
/*0x80*/unsigned int pad7[32]; /* Reserved */
/* Setup Unit's vertex state register */
/*100*/ volatile unsigned int suvtx;
/*104*/ unsigned int pad8[63]; /* Reserved */
/* Frame Buffer Control Registers */
/*200*/ volatile unsigned int ppc; /* Pixel Processor Control */
/*204*/ volatile unsigned int wid; /* Current WID */
/*208*/ volatile unsigned int fg; /* FG data */
/*20c*/ volatile unsigned int bg; /* BG data */
/*210*/ volatile unsigned int consty; /* Constant Y */
/*214*/ volatile unsigned int constz; /* Constant Z */
/*218*/ volatile unsigned int xclip; /* X Clip */
/*21c*/ volatile unsigned int dcss; /* Depth Cue Scale Slope */
/*220*/ volatile unsigned int vclipmin; /* Viewclip XY Min Bounds */
/*224*/ volatile unsigned int vclipmax; /* Viewclip XY Max Bounds */
/*228*/ volatile unsigned int vclipzmin; /* Viewclip Z Min Bounds */
/*22c*/ volatile unsigned int vclipzmax; /* Viewclip Z Max Bounds */
/*230*/ volatile unsigned int dcsf; /* Depth Cue Scale Front Bound */
/*234*/ volatile unsigned int dcsb; /* Depth Cue Scale Back Bound */
/*238*/ volatile unsigned int dczf; /* Depth Cue Z Front */
/*23c*/ volatile unsigned int dczb; /* Depth Cue Z Back */
/*240*/ unsigned int pad9; /* Reserved */
/*244*/ volatile unsigned int blendc; /* Alpha Blend Control */
/*248*/ volatile unsigned int blendc1; /* Alpha Blend Color 1 */
/*24c*/ volatile unsigned int blendc2; /* Alpha Blend Color 2 */
/*250*/ volatile unsigned int fbramitc; /* FB RAM Interleave Test Control */
/*254*/ volatile unsigned int fbc; /* Frame Buffer Control */
/*258*/ volatile unsigned int rop; /* Raster OPeration */
/*25c*/ volatile unsigned int cmp; /* Frame Buffer Compare */
/*260*/ volatile unsigned int matchab; /* Buffer AB Match Mask */
/*264*/ volatile unsigned int matchc; /* Buffer C(YZ) Match Mask */
/*268*/ volatile unsigned int magnab; /* Buffer AB Magnitude Mask */
/*26c*/ volatile unsigned int magnc; /* Buffer C(YZ) Magnitude Mask */
/*270*/ volatile unsigned int fbcfg0; /* Frame Buffer Config 0 */
/*274*/ volatile unsigned int fbcfg1; /* Frame Buffer Config 1 */
/*278*/ volatile unsigned int fbcfg2; /* Frame Buffer Config 2 */
/*27c*/ volatile unsigned int fbcfg3; /* Frame Buffer Config 3 */
/*280*/ volatile unsigned int ppcfg; /* Pixel Processor Config */
/*284*/ volatile unsigned int pick; /* Picking Control */
/*288*/ volatile unsigned int fillmode; /* FillMode */
/*28c*/ volatile unsigned int fbramwac; /* FB RAM Write Address Control */
/*290*/ volatile unsigned int pmask; /* RGB PlaneMask */
/*294*/ volatile unsigned int xpmask; /* X PlaneMask */
/*298*/ volatile unsigned int ypmask; /* Y PlaneMask */
/*29c*/ volatile unsigned int zpmask; /* Z PlaneMask */
/*2a0*/ ffb_auxclip auxclip[4]; /* Auxilliary Viewport Clip */
/* New 3dRAM III support regs */
/*2c0*/ volatile unsigned int rawblend2;
/*2c4*/ volatile unsigned int rawpreblend;
/*2c8*/ volatile unsigned int rawstencil;
/*2cc*/ volatile unsigned int rawstencilctl;
/*2d0*/ volatile unsigned int threedram1;
/*2d4*/ volatile unsigned int threedram2;
/*2d8*/ volatile unsigned int passin;
/*2dc*/ volatile unsigned int rawclrdepth;
/*2e0*/ volatile unsigned int rawpmask;
/*2e4*/ volatile unsigned int rawcsrc;
/*2e8*/ volatile unsigned int rawmatch;
/*2ec*/ volatile unsigned int rawmagn;
/*2f0*/ volatile unsigned int rawropblend;
/*2f4*/ volatile unsigned int rawcmp;
/*2f8*/ volatile unsigned int rawwac;
/*2fc*/ volatile unsigned int fbramid;
/*300*/ volatile unsigned int drawop; /* Draw OPeration */
/*304*/ unsigned int pad10[2]; /* Reserved */
/*30c*/ volatile unsigned int lpat; /* Line Pattern control */
/*310*/ unsigned int pad11; /* Reserved */
/*314*/ volatile unsigned int fontxy; /* XY Font coordinate */
/*318*/ volatile unsigned int fontw; /* Font Width */
/*31c*/ volatile unsigned int fontinc; /* Font Increment */
/*320*/ volatile unsigned int font; /* Font bits */
/*324*/ unsigned int pad12[3]; /* Reserved */
/*330*/ volatile unsigned int blend2;
/*334*/ volatile unsigned int preblend;
/*338*/ volatile unsigned int stencil;
/*33c*/ volatile unsigned int stencilctl;
/*340*/ unsigned int pad13[4]; /* Reserved */
/*350*/ volatile unsigned int dcss1; /* Depth Cue Scale Slope 1 */
/*354*/ volatile unsigned int dcss2; /* Depth Cue Scale Slope 2 */
/*358*/ volatile unsigned int dcss3; /* Depth Cue Scale Slope 3 */
/*35c*/ volatile unsigned int widpmask;
/*360*/ volatile unsigned int dcs2;
/*364*/ volatile unsigned int dcs3;
/*368*/ volatile unsigned int dcs4;
/*36c*/ unsigned int pad14; /* Reserved */
/*370*/ volatile unsigned int dcd2;
/*374*/ volatile unsigned int dcd3;
/*378*/ volatile unsigned int dcd4;
/*37c*/ unsigned int pad15; /* Reserved */
/*380*/ volatile unsigned int pattern[32]; /* area Pattern */
/*400*/ unsigned int pad16[8]; /* Reserved */
/*420*/ volatile unsigned int reset; /* chip RESET */
/*424*/ unsigned int pad17[247]; /* Reserved */
/*800*/ volatile unsigned int devid; /* Device ID */
/*804*/ unsigned int pad18[63]; /* Reserved */
/*900*/ volatile unsigned int ucsr; /* User Control & Status Register */
/*904*/ unsigned int pad19[31]; /* Reserved */
/*980*/ volatile unsigned int mer; /* Mode Enable Register */
/*984*/ unsigned int pad20[1439]; /* Reserved */
} ffb_fbc, *ffb_fbcPtr;
struct ffb_hw_context {
int is_2d_only;
unsigned int ppc;
unsigned int wid;
unsigned int fg;
unsigned int bg;
unsigned int consty;
unsigned int constz;
unsigned int xclip;
unsigned int dcss;
unsigned int vclipmin;
unsigned int vclipmax;
unsigned int vclipzmin;
unsigned int vclipzmax;
unsigned int dcsf;
unsigned int dcsb;
unsigned int dczf;
unsigned int dczb;
unsigned int blendc;
unsigned int blendc1;
unsigned int blendc2;
unsigned int fbc;
unsigned int rop;
unsigned int cmp;
unsigned int matchab;
unsigned int matchc;
unsigned int magnab;
unsigned int magnc;
unsigned int pmask;
unsigned int xpmask;
unsigned int ypmask;
unsigned int zpmask;
unsigned int auxclip0min;
unsigned int auxclip0max;
unsigned int auxclip1min;
unsigned int auxclip1max;
unsigned int auxclip2min;
unsigned int auxclip2max;
unsigned int auxclip3min;
unsigned int auxclip3max;
unsigned int drawop;
unsigned int lpat;
unsigned int fontxy;
unsigned int fontw;
unsigned int fontinc;
unsigned int area_pattern[32];
unsigned int ucsr;
unsigned int stencil;
unsigned int stencilctl;
unsigned int dcss1;
unsigned int dcss2;
unsigned int dcss3;
unsigned int dcs2;
unsigned int dcs3;
unsigned int dcs4;
unsigned int dcd2;
unsigned int dcd3;
unsigned int dcd4;
unsigned int mer;
};
#define FFB_MAX_CTXS 32
enum ffb_chip_type {
ffb1_prototype = 0, /* Early pre-FCS FFB */
ffb1_standard, /* First FCS FFB, 100Mhz UPA, 66MHz gclk */
ffb1_speedsort, /* Second FCS FFB, 100Mhz UPA, 75MHz gclk */
ffb2_prototype, /* Early pre-FCS vertical FFB2 */
ffb2_vertical, /* First FCS FFB2/vertical, 100Mhz UPA, 100MHZ gclk,
75(SingleBuffer)/83(DoubleBuffer) MHz fclk */
ffb2_vertical_plus, /* Second FCS FFB2/vertical, same timings */
ffb2_horizontal, /* First FCS FFB2/horizontal, same timings as FFB2/vert */
ffb2_horizontal_plus, /* Second FCS FFB2/horizontal, same timings */
afb_m3, /* FCS Elite3D, 3 float chips */
afb_m6 /* FCS Elite3D, 6 float chips */
};
typedef struct ffb_dev_priv {
/* Misc software state. */
int prom_node;
enum ffb_chip_type ffb_type;
u64 card_phys_base;
struct miscdevice miscdev;
/* Controller registers. */
ffb_fbcPtr regs;
/* Context table. */
struct ffb_hw_context *hw_state[FFB_MAX_CTXS];
} ffb_dev_priv_t;
extern unsigned long ffb_get_unmapped_area(struct file *filp,
unsigned long hint,
unsigned long len,
unsigned long pgoff,
unsigned long flags);
extern unsigned long ffb_driver_get_map_ofs(drm_map_t *map)
extern unsigned long ffb_driver_get_reg_ofs(struct drm_device *dev)
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/* $Id$
* ffb_drv.c: Creator/Creator3D direct rendering driver.
*
* Copyright (C) 2000 David S. Miller (davem@redhat.com)
*/
#include <linux/sched.h>
#include <linux/smp_lock.h>
#include <asm/shmparam.h>
#include <asm/oplib.h>
#include <asm/upa.h>
#include "drmP.h"
#include "ffb_drv.h"
#define DRIVER_AUTHOR "David S. Miller"
#define DRIVER_NAME "ffb"
#define DRIVER_DESC "Creator/Creator3D"
#define DRIVER_DATE "20000517"
#define DRIVER_MAJOR 0
#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 1
typedef struct _ffb_position_t {
int node;
int root;
} ffb_position_t;
static ffb_position_t *ffb_position;
static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance)
{
volatile unsigned char *strap_bits;
unsigned char val;
strap_bits = (volatile unsigned char *)
(ffb_priv->card_phys_base + 0x00200000UL);
/* Don't ask, you have to read the value twice for whatever
* reason to get correct contents.
*/
val = upa_readb(strap_bits);
val = upa_readb(strap_bits);
switch (val & 0x78) {
case (0x0 << 5) | (0x0 << 3):
ffb_priv->ffb_type = ffb1_prototype;
printk("ffb%d: Detected FFB1 pre-FCS prototype\n", instance);
break;
case (0x0 << 5) | (0x1 << 3):
ffb_priv->ffb_type = ffb1_standard;
printk("ffb%d: Detected FFB1\n", instance);
break;
case (0x0 << 5) | (0x3 << 3):
ffb_priv->ffb_type = ffb1_speedsort;
printk("ffb%d: Detected FFB1-SpeedSort\n", instance);
break;
case (0x1 << 5) | (0x0 << 3):
ffb_priv->ffb_type = ffb2_prototype;
printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n", instance);
break;
case (0x1 << 5) | (0x1 << 3):
ffb_priv->ffb_type = ffb2_vertical;
printk("ffb%d: Detected FFB2/vertical\n", instance);
break;
case (0x1 << 5) | (0x2 << 3):
ffb_priv->ffb_type = ffb2_vertical_plus;
printk("ffb%d: Detected FFB2+/vertical\n", instance);
break;
case (0x2 << 5) | (0x0 << 3):
ffb_priv->ffb_type = ffb2_horizontal;
printk("ffb%d: Detected FFB2/horizontal\n", instance);
break;
case (0x2 << 5) | (0x2 << 3):
ffb_priv->ffb_type = ffb2_horizontal;
printk("ffb%d: Detected FFB2+/horizontal\n", instance);
break;
default:
ffb_priv->ffb_type = ffb2_vertical;
printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n", instance, val);
break;
};
}
static void ffb_apply_upa_parent_ranges(int parent,
struct linux_prom64_registers *regs)
{
struct linux_prom64_ranges ranges[PROMREG_MAX];
char name[128];
int len, i;
prom_getproperty(parent, "name", name, sizeof(name));
if (strcmp(name, "upa") != 0)
return;
len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges));
if (len <= 0)
return;
len /= sizeof(struct linux_prom64_ranges);
for (i = 0; i < len; i++) {
struct linux_prom64_ranges *rng = &ranges[i];
u64 phys_addr = regs->phys_addr;
if (phys_addr >= rng->ot_child_base &&
phys_addr < (rng->ot_child_base + rng->or_size)) {
regs->phys_addr -= rng->ot_child_base;
regs->phys_addr += rng->ot_parent_base;
return;
}
}
return;
}
static int ffb_init_one(drm_device_t *dev, int prom_node, int parent_node,
int instance)
{
struct linux_prom64_registers regs[2*PROMREG_MAX];
ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private;
int i;
ffb_priv->prom_node = prom_node;
if (prom_getproperty(ffb_priv->prom_node, "reg",
(void *)regs, sizeof(regs)) <= 0) {
return -EINVAL;
}
ffb_apply_upa_parent_ranges(parent_node, ®s[0]);
ffb_priv->card_phys_base = regs[0].phys_addr;
ffb_priv->regs = (ffb_fbcPtr)
(regs[0].phys_addr + 0x00600000UL);
get_ffb_type(ffb_priv, instance);
for (i = 0; i < FFB_MAX_CTXS; i++)
ffb_priv->hw_state[i] = NULL;
return 0;
}
static int __init ffb_count_siblings(int root)
{
int node, child, count = 0;
child = prom_getchild(root);
for (node = prom_searchsiblings(child, "SUNW,ffb"); node;
node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb"))
count++;
return count;
}
static int __init ffb_scan_siblings(int root, int instance)
{
int node, child;
child = prom_getchild(root);
for (node = prom_searchsiblings(child, "SUNW,ffb"); node;
node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb")) {
ffb_position[instance].node = node;
ffb_position[instance].root = root;
instance++;
}
return instance;
}
static drm_map_t *ffb_find_map(struct file *filp, unsigned long off)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev;
drm_map_list_t *r_list;
struct list_head *list;
drm_map_t *map;
if (!priv || (dev = priv->dev) == NULL)
return NULL;
list_for_each(list, &dev->maplist->head) {
unsigned long uoff;
r_list = (drm_map_list_t *)list;
map = r_list->map;
if (!map)
continue;
uoff = (map->offset & 0xffffffff);
if (uoff == off)
return map;
}
return NULL;
}
unsigned long ffb_get_unmapped_area(struct file *filp,
unsigned long hint,
unsigned long len,
unsigned long pgoff,
unsigned long flags)
{
drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT);
unsigned long addr = -ENOMEM;
if (!map)
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