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NetBSD/sys/dev/pci/radeonfb.c

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/* $NetBSD: radeonfb.c,v 1.20 2007/09/03 02:45:06 macallan Exp $ */
/*-
* Copyright (c) 2006 Itronix Inc.
* All rights reserved.
*
* Written by Garrett D'Amore for Itronix Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of Itronix Inc. may not be used to endorse
* or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY ITRONIX INC. ``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 ITRONIX INC. 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.
*/
/*
* ATI Technologies Inc. ("ATI") has not assisted in the creation of, and
* does not endorse, this software. ATI will not be responsible or liable
* for any actual or alleged damage or loss caused by or in connection with
* the use of or reliance on this software.
*/
/*
* Portions of this code were taken from XFree86's Radeon driver, which bears
* this notice:
*
* Copyright 2000 ATI Technologies Inc., Markham, Ontario, and
* VA Linux Systems Inc., Fremont, California.
*
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation on the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
* THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: radeonfb.c,v 1.20 2007/09/03 02:45:06 macallan Exp $");
#define RADEONFB_DEFAULT_DEPTH 32
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <sys/kernel.h>
#include <sys/lwp.h>
#include <sys/kauth.h>
#include <dev/wscons/wsdisplayvar.h>
#include <dev/wscons/wsconsio.h>
#include <dev/wsfont/wsfont.h>
#include <dev/rasops/rasops.h>
#include <dev/videomode/videomode.h>
#include <dev/videomode/edidvar.h>
#include <dev/wscons/wsdisplay_vconsvar.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/radeonfbreg.h>
#include <dev/pci/radeonfbvar.h>
#include "opt_radeonfb.h"
static int radeonfb_match(struct device *, struct cfdata *, void *);
static void radeonfb_attach(struct device *, struct device *, void *);
static int radeonfb_ioctl(void *, void *, unsigned long, void *, int,
struct lwp *);
static paddr_t radeonfb_mmap(void *, void *, off_t, int);
static int radeonfb_scratch_test(struct radeonfb_softc *, int, uint32_t);
static void radeonfb_loadbios(struct radeonfb_softc *,
struct pci_attach_args *);
static uintmax_t radeonfb_getprop_num(struct radeonfb_softc *, const char *,
uintmax_t);
static int radeonfb_getclocks(struct radeonfb_softc *);
static int radeonfb_gettmds(struct radeonfb_softc *);
static int radeonfb_calc_dividers(struct radeonfb_softc *, uint32_t,
uint32_t *, uint32_t *);
static int radeonfb_getconnectors(struct radeonfb_softc *);
static const struct videomode *radeonfb_modelookup(const char *);
static void radeonfb_init_screen(void *, struct vcons_screen *, int, long *);
static void radeonfb_pllwriteupdate(struct radeonfb_softc *, int);
static void radeonfb_pllwaitatomicread(struct radeonfb_softc *, int);
static void radeonfb_program_vclk(struct radeonfb_softc *, int, int);
static void radeonfb_modeswitch(struct radeonfb_display *);
static void radeonfb_setcrtc(struct radeonfb_display *, int);
static void radeonfb_init_misc(struct radeonfb_softc *);
static void radeonfb_set_fbloc(struct radeonfb_softc *);
static void radeonfb_init_palette(struct radeonfb_softc *, int);
static void radeonfb_r300cg_workaround(struct radeonfb_softc *);
static int radeonfb_isblank(struct radeonfb_display *);
static void radeonfb_blank(struct radeonfb_display *, int);
static int radeonfb_set_cursor(struct radeonfb_display *,
struct wsdisplay_cursor *);
static int radeonfb_set_curpos(struct radeonfb_display *,
struct wsdisplay_curpos *);
/* acceleration support */
static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
int width, int height, uint32_t color);
static void radeonfb_bitblt(struct radeonfb_display *, int srcx, int srcy,
int dstx, int dsty, int width, int height, int rop, uint32_t mask);
static void radeonfb_feed_bytes(struct radeonfb_display *, int, uint8_t *);
static void radeonfb_setup_mono(struct radeonfb_display *, int, int, int,
int, uint32_t, uint32_t);
/* hw cursor support */
static void radeonfb_cursor_cmap(struct radeonfb_display *);
static void radeonfb_cursor_shape(struct radeonfb_display *);
static void radeonfb_cursor_position(struct radeonfb_display *);
static void radeonfb_cursor_visible(struct radeonfb_display *);
static void radeonfb_cursor_update(struct radeonfb_display *, unsigned);
static void radeonfb_wait_fifo(struct radeonfb_softc *, int);
static void radeonfb_engine_idle(struct radeonfb_softc *);
static void radeonfb_engine_flush(struct radeonfb_softc *);
static void radeonfb_engine_reset(struct radeonfb_softc *);
static void radeonfb_engine_init(struct radeonfb_display *);
static inline void radeonfb_unclip(struct radeonfb_softc *);
static void radeonfb_eraserows(void *, int, int, long);
static void radeonfb_erasecols(void *, int, int, int, long);
static void radeonfb_copyrows(void *, int, int, int);
static void radeonfb_copycols(void *, int, int, int, int);
static void radeonfb_cursor(void *, int, int, int);
static void radeonfb_putchar(void *, int, int, unsigned, long);
static int radeonfb_allocattr(void *, int, int, int, long *);
static int radeonfb_get_backlight(struct radeonfb_display *);
static int radeonfb_set_backlight(struct radeonfb_display *, int);
static void radeonfb_lvds_callout(void *);
static struct videomode *radeonfb_best_refresh(struct videomode *,
struct videomode *);
static void radeonfb_pickres(struct radeonfb_display *, uint16_t *,
uint16_t *, int);
static const struct videomode *radeonfb_port_mode(struct radeonfb_softc *,
struct radeonfb_port *, int, int);
static int radeonfb_drm_print(void *, const char *);
#ifdef RADEON_DEBUG
int radeon_debug = 1;
#define DPRINTF(x) \
if (radeon_debug) printf x
#define PRINTREG(r) DPRINTF((#r " = %08x\n", GET32(sc, r)))
#define PRINTPLL(r) DPRINTF((#r " = %08x\n", GETPLL(sc, r)))
#else
#define DPRINTF(x)
#define PRINTREG(r)
#define PRINTPLL(r)
#endif
#define ROUNDUP(x,y) (((x) + ((y) - 1)) & ~((y) - 1))
#ifndef RADEON_DEFAULT_MODE
/* any reasonably modern display should handle this */
#define RADEON_DEFAULT_MODE "1024x768x60"
#endif
const char *radeonfb_default_mode = RADEON_DEFAULT_MODE;
static struct {
int size; /* minimum memory size (MB) */
int maxx; /* maximum x dimension */
int maxy; /* maximum y dimension */
int maxbpp; /* maximum bpp */
int maxdisp; /* maximum logical display count */
} radeonfb_limits[] = {
{ 32, 2048, 1536, 32, 2 },
{ 16, 1600, 1200, 32, 2 },
{ 8, 1600, 1200, 32, 1 },
{ 0, 0, 0, 0, 0 },
};
static struct wsscreen_descr radeonfb_stdscreen = {
"fb", /* name */
0, 0, /* ncols, nrows */
NULL, /* textops */
8, 16, /* fontwidth, fontheight */
WSSCREEN_WSCOLORS, /* capabilities */
0, /* modecookie */
};
struct wsdisplay_accessops radeonfb_accessops = {
radeonfb_ioctl,
radeonfb_mmap,
NULL, /* vcons_alloc_screen */
NULL, /* vcons_free_screen */
NULL, /* vcons_show_screen */
NULL, /* load_font */
NULL, /* pollc */
NULL, /* scroll */
};
static struct {
uint16_t devid;
uint16_t family;
uint16_t flags;
} radeonfb_devices[] =
{
/* R100 family */
{ PCI_PRODUCT_ATI_RADEON_R100_QD, RADEON_R100, 0 },
{ PCI_PRODUCT_ATI_RADEON_R100_QE, RADEON_R100, 0 },
{ PCI_PRODUCT_ATI_RADEON_R100_QF, RADEON_R100, 0 },
{ PCI_PRODUCT_ATI_RADEON_R100_QG, RADEON_R100, 0 },
/* RV100 family */
{ PCI_PRODUCT_ATI_RADEON_RV100_LY, RADEON_RV100, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV100_LZ, RADEON_RV100, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV100_QY, RADEON_RV100, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV100_QZ, RADEON_RV100, 0 },
/* RS100 family */
{ PCI_PRODUCT_ATI_RADEON_RS100_4136, RADEON_RS100, 0 },
{ PCI_PRODUCT_ATI_RADEON_RS100_4336, RADEON_RS100, RFB_MOB },
/* RS200/RS250 family */
{ PCI_PRODUCT_ATI_RADEON_RS200_4337, RADEON_RS200, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RS200_A7, RADEON_RS200, 0 },
{ PCI_PRODUCT_ATI_RADEON_RS250_B7, RADEON_RS200, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RS250_D7, RADEON_RS200, 0 },
/* R200 family */
/* add more R200 products? , 5148 */
{ PCI_PRODUCT_ATI_RADEON_R200_BB, RADEON_R200, 0 },
{ PCI_PRODUCT_ATI_RADEON_R200_BC, RADEON_R200, 0 },
{ PCI_PRODUCT_ATI_RADEON_R200_QH, RADEON_R200, 0 },
{ PCI_PRODUCT_ATI_RADEON_R200_QL, RADEON_R200, 0 },
{ PCI_PRODUCT_ATI_RADEON_R200_QM, RADEON_R200, 0 },
/* RV200 family */
{ PCI_PRODUCT_ATI_RADEON_RV200_LW, RADEON_RV200, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV200_LX, RADEON_RV200, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV200_QW, RADEON_RV200, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV200_QX, RADEON_RV200, 0 },
/* RV250 family */
{ PCI_PRODUCT_ATI_RADEON_RV250_4966, RADEON_RV250, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV250_4967, RADEON_RV250, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV250_4C64, RADEON_RV250, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV250_4C66, RADEON_RV250, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV250_4C67, RADEON_RV250, RFB_MOB },
/* RS300 family */
{ PCI_PRODUCT_ATI_RADEON_RS300_X5, RADEON_RS300, 0 },
{ PCI_PRODUCT_ATI_RADEON_RS300_X4, RADEON_RS300, 0 },
{ PCI_PRODUCT_ATI_RADEON_RS300_7834, RADEON_RS300, 0 },
{ PCI_PRODUCT_ATI_RADEON_RS300_7835, RADEON_RS300, RFB_MOB },
/* RV280 family */
{ PCI_PRODUCT_ATI_RADEON_RV280_5960, RADEON_RV280, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV280_5961, RADEON_RV280, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV280_5962, RADEON_RV280, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV280_5963, RADEON_RV280, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV280_5964, RADEON_RV280, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV280_5C61, RADEON_RV280, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV280_5C63, RADEON_RV280, RFB_MOB },
/* R300 family */
{ PCI_PRODUCT_ATI_RADEON_R300_AD, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_AE, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_AF, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_AG, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_ND, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_NE, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_NF, RADEON_R300, 0 },
{ PCI_PRODUCT_ATI_RADEON_R300_NG, RADEON_R300, 0 },
/* RV350/RV360 family */
{ PCI_PRODUCT_ATI_RADEON_RV350_AP, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV350_AQ, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV360_AR, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV350_AS, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV350_AT, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV350_AV, RADEON_RV350, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV350_NP, RADEON_RV350, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV350_NQ, RADEON_RV350, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV350_NR, RADEON_RV350, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV350_NS, RADEON_RV350, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV350_NT, RADEON_RV350, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV350_NV, RADEON_RV350, RFB_MOB },
/* R350/R360 family */
{ PCI_PRODUCT_ATI_RADEON_R350_AH, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_AI, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_AJ, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_AK, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_NH, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_NI, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R350_NK, RADEON_R350, 0 },
{ PCI_PRODUCT_ATI_RADEON_R360_NJ, RADEON_R350, 0 },
/* RV380/RV370 family */
{ PCI_PRODUCT_ATI_RADEON_RV380_3150, RADEON_RV380, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV380_3154, RADEON_RV380, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV380_3E50, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV380_3E54, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV370_5460, RADEON_RV380, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV370_5464, RADEON_RV380, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_RV370_5B60, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
/* R420/R423 family */
{ PCI_PRODUCT_ATI_RADEON_R420_JH, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JI, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JJ, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JK, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JL, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JM, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R420_JN, RADEON_R420, RFB_MOB },
{ PCI_PRODUCT_ATI_RADEON_R420_JP, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UH, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UI, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UJ, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UK, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UQ, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UR, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_UT, RADEON_R420, 0 },
{ PCI_PRODUCT_ATI_RADEON_R423_5D57, RADEON_R420, 0 },
{ 0, 0, 0 }
};
static struct {
int divider;
int mask;
} radeonfb_dividers[] = {
{ 1, 0 },
{ 2, 1 },
{ 3, 4 },
{ 4, 2 },
{ 6, 6 },
{ 8, 3 },
{ 12, 7 },
{ 0, 0 }
};
/*
* This table taken from X11.
*/
static const struct {
int family;
struct radeon_tmds_pll plls[4];
} radeonfb_tmds_pll[] = {
{ RADEON_R100, {{12000, 0xa1b}, {-1, 0xa3f}}},
{ RADEON_RV100, {{12000, 0xa1b}, {-1, 0xa3f}}},
{ RADEON_RS100, {{0, 0}}},
{ RADEON_RV200, {{15000, 0xa1b}, {-1, 0xa3f}}},
{ RADEON_RS200, {{15000, 0xa1b}, {-1, 0xa3f}}},
{ RADEON_R200, {{15000, 0xa1b}, {-1, 0xa3f}}},
{ RADEON_RV250, {{15500, 0x81b}, {-1, 0x83f}}},
{ RADEON_RS300, {{0, 0}}},
{ RADEON_RV280, {{13000, 0x400f4}, {15000, 0x400f7}}},
{ RADEON_R300, {{-1, 0xb01cb}}},
{ RADEON_R350, {{-1, 0xb01cb}}},
{ RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
{ RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
{ RADEON_R420, {{-1, 0xb01cb}}},
};
#define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
CFATTACH_DECL(radeonfb, sizeof (struct radeonfb_softc),
radeonfb_match, radeonfb_attach, NULL, NULL);
static int
radeonfb_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
int i;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_ATI)
return 0;
for (i = 0; radeonfb_devices[i].devid; i++) {
if (PCI_PRODUCT(pa->pa_id) == radeonfb_devices[i].devid)
return 100; /* high to defeat VGA/VESA */
}
return 0;
}
static void
radeonfb_attach(struct device *parent, struct device *dev, void *aux)
{
struct radeonfb_softc *sc = (struct radeonfb_softc *)dev;
struct pci_attach_args *pa = aux;
const char *mptr;
bus_size_t bsz;
pcireg_t screg;
int i, j, fg, bg, ul;
uint32_t v;
sc->sc_id = pa->pa_id;
for (i = 0; radeonfb_devices[i].devid; i++) {
if (PCI_PRODUCT(sc->sc_id) == radeonfb_devices[i].devid)
break;
}
pci_devinfo(sc->sc_id, pa->pa_class, 0, sc->sc_devinfo,
sizeof(sc->sc_devinfo));
aprint_naive("\n");
aprint_normal(": %s\n", sc->sc_devinfo);
DPRINTF((prop_dictionary_externalize(device_properties(dev))));
KASSERT(radeonfb_devices[i].devid != 0);
sc->sc_pt = pa->pa_tag;
sc->sc_iot = pa->pa_iot;
sc->sc_pc = pa->pa_pc;
sc->sc_family = radeonfb_devices[i].family;
sc->sc_flags = radeonfb_devices[i].flags;
/* enable memory and IO access */
screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
screg |= PCI_FLAGS_IO_ENABLED | PCI_FLAGS_MEM_ENABLED;
pci_conf_write(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG, screg);
/*
* Some flags are general to entire chip families, and rather
* than clutter up the table with them, we go ahead and set
* them here.
*/
switch (sc->sc_family) {
case RADEON_RS100:
case RADEON_RS200:
sc->sc_flags |= RFB_IGP | RFB_RV100;
break;
case RADEON_RV100:
case RADEON_RV200:
case RADEON_RV250:
case RADEON_RV280:
sc->sc_flags |= RFB_RV100;
break;
case RADEON_RS300:
sc->sc_flags |= RFB_SDAC | RFB_IGP | RFB_RV100;
break;
case RADEON_R300:
case RADEON_RV350:
case RADEON_R350:
case RADEON_RV380:
case RADEON_R420:
/* newer chips */
sc->sc_flags |= RFB_R300;
break;
case RADEON_R100:
sc->sc_flags |= RFB_NCRTC2;
break;
}
if ((sc->sc_family == RADEON_RV200) ||
(sc->sc_family == RADEON_RV250) ||
(sc->sc_family == RADEON_RV280) ||
(sc->sc_family == RADEON_RV350)) {
bool inverted = 0;
/* backlight level is linear */
DPRINTF(("found RV* chip, backlight is supposedly linear\n"));
prop_dictionary_get_bool(device_properties(&sc->sc_dev),
"backlight_level_reverted", &inverted);
if (inverted) {
DPRINTF(("nope, it's inverted\n"));
sc->sc_flags |= RFB_INV_BLIGHT;
}
} else
sc->sc_flags |= RFB_INV_BLIGHT;
/*
* XXX: to support true multihead, this must change.
*/
sc->sc_ndisplays = 1;
/* XXX: */
if (!HAS_CRTC2(sc)) {
sc->sc_ndisplays = 1;
}
if (pci_mapreg_map(pa, RADEON_MAPREG_MMIO, PCI_MAPREG_TYPE_MEM, 0,
&sc->sc_regt, &sc->sc_regh, &sc->sc_regaddr,
&sc->sc_regsz) != 0) {
aprint_error("%s: unable to map registers!\n", XNAME(sc));
goto error;
}
/* scratch register test... */
if (radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0x55555555) ||
radeonfb_scratch_test(sc, RADEON_BIOS_0_SCRATCH, 0xaaaaaaaa)) {
aprint_error("%s: scratch register test failed!\n", XNAME(sc));
goto error;
}
PRINTREG(RADEON_BIOS_4_SCRATCH);
PRINTREG(RADEON_FP_GEN_CNTL);
PRINTREG(RADEON_FP2_GEN_CNTL);
PRINTREG(RADEON_TMDS_CNTL);
PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
PRINTREG(RADEON_TMDS_PLL_CNTL);
PRINTREG(RADEON_LVDS_GEN_CNTL);
PRINTREG(RADEON_FP_HORZ_STRETCH);
PRINTREG(RADEON_FP_VERT_STRETCH);
/* XXX: RV100 specific */
PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
RADEON_TMDS_TRANSMITTER_PLLEN,
RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST);
radeonfb_i2c_init(sc);
radeonfb_loadbios(sc, pa);
#ifdef RADEON_BIOS_INIT
if (radeonfb_bios_init(sc)) {
aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
goto error;
}
#endif
if (radeonfb_getclocks(sc)) {
aprint_error("%s: Unable to get reference clocks from BIOS\n",
XNAME(sc));
goto error;
}
if (radeonfb_gettmds(sc)) {
aprint_error("%s: Unable to identify TMDS PLL settings\n",
XNAME(sc));
goto error;
}
aprint_verbose("%s: refclk = %d.%03d MHz, refdiv = %d "
"minpll = %d, maxpll = %d\n", XNAME(sc),
(int)sc->sc_refclk / 1000, (int)sc->sc_refclk % 1000,
(int)sc->sc_refdiv, (int)sc->sc_minpll, (int)sc->sc_maxpll);
radeonfb_getconnectors(sc);
radeonfb_set_fbloc(sc);
for (i = 0; radeonfb_limits[i].size; i++) {
if (sc->sc_memsz >= radeonfb_limits[i].size) {
sc->sc_maxx = radeonfb_limits[i].maxx;
sc->sc_maxy = radeonfb_limits[i].maxy;
sc->sc_maxbpp = radeonfb_limits[i].maxbpp;
/* framebuffer offset, start at a 4K page */
sc->sc_fboffset = sc->sc_memsz /
radeonfb_limits[i].maxdisp;
/*
* we use the fbsize to figure out where we can store
* things like cursor data.
*/
sc->sc_fbsize =
ROUNDUP(ROUNDUP(sc->sc_maxx * sc->sc_maxbpp / 8 ,
RADEON_STRIDEALIGN) * sc->sc_maxy,
4096);
break;
}
}
radeonfb_init_misc(sc);
radeonfb_init_palette(sc, 0);
if (HAS_CRTC2(sc))
radeonfb_init_palette(sc, 1);
/* program the DAC wirings */
for (i = 0; i < (HAS_CRTC2(sc) ? 2 : 1); i++) {
switch (sc->sc_ports[i].rp_dac_type) {
case RADEON_DAC_PRIMARY:
PATCH32(sc, RADEON_DAC_CNTL2,
i ? RADEON_DAC2_DAC_CLK_SEL : 0,
~RADEON_DAC2_DAC_CLK_SEL);
break;
case RADEON_DAC_TVDAC:
/* we always use the TVDAC to drive a secondary analog
* CRT for now. if we ever support TV-out this will
* have to change.
*/
SET32(sc, RADEON_DAC_CNTL2,
RADEON_DAC2_DAC2_CLK_SEL);
PATCH32(sc, RADEON_DISP_HW_DEBUG,
i ? 0 : RADEON_CRT2_DISP1_SEL,
~RADEON_CRT2_DISP1_SEL);
break;
}
}
PRINTREG(RADEON_DAC_CNTL2);
PRINTREG(RADEON_DISP_HW_DEBUG);
/* other DAC programming */
v = GET32(sc, RADEON_DAC_CNTL);
v &= (RADEON_DAC_RANGE_CNTL_MASK | RADEON_DAC_BLANKING);
v |= RADEON_DAC_MASK_ALL | RADEON_DAC_8BIT_EN;
PUT32(sc, RADEON_DAC_CNTL, v);
PRINTREG(RADEON_DAC_CNTL);
/* XXX: this may need more investigation */
PUT32(sc, RADEON_TV_DAC_CNTL, 0x00280203);
PRINTREG(RADEON_TV_DAC_CNTL);
/* enable TMDS */
SET32(sc, RADEON_FP_GEN_CNTL,
RADEON_FP_TMDS_EN |
RADEON_FP_CRTC_DONT_SHADOW_VPAR |
RADEON_FP_CRTC_DONT_SHADOW_HEND);
CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
if (HAS_CRTC2(sc))
SET32(sc, RADEON_FP2_GEN_CNTL, RADEON_FP2_SRC_SEL_CRTC2);
/*
* we use bus_space_map instead of pci_mapreg, because we don't
* need the full aperature space. no point in wasting virtual
* address space we don't intend to use, right?
*/
if ((sc->sc_memsz < (4096 * 1024)) ||
(pci_mapreg_info(sc->sc_pc, sc->sc_pt, RADEON_MAPREG_VRAM,
PCI_MAPREG_TYPE_MEM, &sc->sc_memaddr, &bsz, NULL) != 0) ||
(bsz < sc->sc_memsz)) {
sc->sc_memsz = 0;
aprint_error("%s: Bad frame buffer configuration\n",
XNAME(sc));
goto error;
}
/* 64 MB should be enough -- more just wastes map entries */
if (sc->sc_memsz > (64 << 20))
sc->sc_memsz = (64 << 20);
sc->sc_memt = pa->pa_memt;
if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
BUS_SPACE_MAP_LINEAR, &sc->sc_memh) != 0) {
sc->sc_memsz = 0;
aprint_error("%s: Unable to map frame buffer\n", XNAME(sc));
goto error;
}
aprint_normal("%s: %d MB aperture at 0x%08x, "
"%d KB registers at 0x%08x\n", XNAME(sc),
(int)sc->sc_memsz >> 20, (unsigned)sc->sc_memaddr,
(int)sc->sc_regsz >> 10, (unsigned)sc->sc_regaddr);
/* setup default video mode from devprop (allows PROM override) */
sc->sc_defaultmode = radeonfb_default_mode;
if (prop_dictionary_get_cstring_nocopy(device_properties(&sc->sc_dev),
"videomode", &mptr)) {
strncpy(sc->sc_modebuf, mptr, sizeof(sc->sc_modebuf));
sc->sc_defaultmode = sc->sc_modebuf;
}
/* initialize some basic display parameters */
for (i = 0; i < sc->sc_ndisplays; i++) {
struct radeonfb_display *dp = &sc->sc_displays[i];
struct rasops_info *ri;
long defattr;
struct wsemuldisplaydev_attach_args aa;
/*
* Figure out how many "displays" (desktops) we are going to
* support. If more than one, then each CRTC gets its own
* programming.
*
* XXX: this code needs to change to support mergedfb.
* XXX: would be nice to allow this to be overridden
*/
if (HAS_CRTC2(sc) && (sc->sc_ndisplays == 1)) {
DPRINTF(("dual crtcs!\n"));
dp->rd_ncrtcs = 2;
dp->rd_crtcs[0].rc_number = 0;
dp->rd_crtcs[1].rc_number = 1;
} else {
dp->rd_ncrtcs = 1;
dp->rd_crtcs[0].rc_number = i;
}
/* set up port pointer */
for (j = 0; j < dp->rd_ncrtcs; j++) {
dp->rd_crtcs[j].rc_port =
&sc->sc_ports[dp->rd_crtcs[j].rc_number];
}
dp->rd_softc = sc;
dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
dp->rd_bg = WS_DEFAULT_BG;
#if 0
dp->rd_bpp = sc->sc_maxbpp; /* XXX: for now */
#else
dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
#endif
/* for text mode, we pick a resolution that won't
* require panning */
radeonfb_pickres(dp, &dp->rd_virtx, &dp->rd_virty, 0);
aprint_normal("%s: display %d: "
"initial virtual resolution %dx%d at %d bpp\n",
XNAME(sc), i, dp->rd_virtx, dp->rd_virty, dp->rd_bpp);
/* now select the *video mode* that we will use */
for (j = 0; j < dp->rd_ncrtcs; j++) {
const struct videomode *vmp;
vmp = radeonfb_port_mode(sc, dp->rd_crtcs[j].rc_port,
dp->rd_virtx, dp->rd_virty);
/*
* virtual resolution should be at least as high as
* physical
*/
if (dp->rd_virtx < vmp->hdisplay ||
dp->rd_virty < vmp->vdisplay) {
dp->rd_virtx = vmp->hdisplay;
dp->rd_virty = vmp->vdisplay;
}
dp->rd_crtcs[j].rc_videomode = *vmp;
printf("%s: port %d: physical %dx%d %dHz\n",
XNAME(sc), j, vmp->hdisplay, vmp->vdisplay,
DIVIDE(DIVIDE(vmp->dot_clock * 1000,
vmp->htotal), vmp->vtotal));
}
/* N.B.: radeon wants 64-byte aligned stride */
dp->rd_stride = dp->rd_virtx * dp->rd_bpp / 8;
dp->rd_stride = ROUNDUP(dp->rd_stride, RADEON_STRIDEALIGN);
dp->rd_offset = sc->sc_fboffset * i;
dp->rd_fbptr = (vaddr_t)bus_space_vaddr(sc->sc_memt,
sc->sc_memh) + dp->rd_offset;
dp->rd_curoff = sc->sc_fbsize;
dp->rd_curptr = dp->rd_fbptr + dp->rd_curoff;
DPRINTF(("fpbtr = %p\n", (void *)dp->rd_fbptr));
switch (dp->rd_bpp) {
case 8:
dp->rd_format = 2;
break;
case 32:
dp->rd_format = 6;
break;
default:
aprint_error("%s: bad depth %d\n", XNAME(sc),
dp->rd_bpp);
goto error;
}
printf("init engine\n");
/* XXX: this seems suspicious - per display engine
initialization? */
radeonfb_engine_init(dp);
/* copy the template into place */
dp->rd_wsscreens_storage[0] = radeonfb_stdscreen;
dp->rd_wsscreens = dp->rd_wsscreens_storage;
/* and make up the list */
dp->rd_wsscreenlist.nscreens = 1;
dp->rd_wsscreenlist.screens =
(const struct wsscreen_descr **)&dp->rd_wsscreens;
vcons_init(&dp->rd_vd, dp, dp->rd_wsscreens,
&radeonfb_accessops);
dp->rd_vd.init_screen = radeonfb_init_screen;
dp->rd_console = 1;
dp->rd_vscreen.scr_flags |= VCONS_SCREEN_IS_STATIC;
vcons_init_screen(&dp->rd_vd, &dp->rd_vscreen,
dp->rd_console, &defattr);
ri = &dp->rd_vscreen.scr_ri;
/* clear the screen */
rasops_unpack_attr(defattr, &fg, &bg, &ul);
radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
ri->ri_devcmap[bg & 0xf]);
dp->rd_wsscreens->textops = &ri->ri_ops;
dp->rd_wsscreens->capabilities = ri->ri_caps;
dp->rd_wsscreens->nrows = ri->ri_rows;
dp->rd_wsscreens->ncols = ri->ri_cols;
#ifdef SPLASHSCREEN
dp->rd_splash.si_depth = ri->ri_depth;
dp->rd_splash.si_bits = ri->ri_bits;
dp->rd_splash.si_hwbits = ri->ri_hwbits;
dp->rd_splash.si_width = ri->ri_width;
dp->rd_splash.si_height = ri->ri_height;
dp->rd_splash.si_stride = ri->ri_stride;
dp->rd_splash.si_fillrect = NULL;
#endif
if (dp->rd_console) {
wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
defattr);
#ifdef SPLASHSCREEN
splash_render(&dp->rd_splash,
SPLASH_F_CENTER|SPLASH_F_FILL);
#endif
#ifdef SPLASHSCREEN_PROGRESS
dp->rd_progress.sp_top = (dp->rd_virty / 8) * 7;
dp->rd_progress.sp_width = (dp->rd_virtx / 4) * 3;
dp->rd_progress.sp_left = (dp->rd_virtx -
dp->rd_progress.sp_width) / 2;
dp->rd_progress.sp_height = 20;
dp->rd_progress.sp_state = -1;
dp->rd_progress.sp_si = &dp->rd_splash;
splash_progress_init(&dp->rd_progress);
SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
#endif
} else {
/*
* since we're not the console we can postpone
* the rest until someone actually allocates a
* screen for us. but we do clear the screen
* at least.
*/
memset(ri->ri_bits, 0, 1024);
radeonfb_modeswitch(dp);
#ifdef SPLASHSCREEN
splash_render(&dp->rd_splash,
SPLASH_F_CENTER|SPLASH_F_FILL);
SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
#endif
}
aa.console = dp->rd_console;
aa.scrdata = &dp->rd_wsscreenlist;
aa.accessops = &radeonfb_accessops;
aa.accesscookie = &dp->rd_vd;
config_found(&sc->sc_dev, &aa, wsemuldisplaydevprint);
radeonfb_blank(dp, 0);
/* Initialise delayed lvds operations for backlight. */
callout_init(&dp->rd_bl_lvds_co, 0);
callout_setfunc(&dp->rd_bl_lvds_co,
radeonfb_lvds_callout, dp);
}
config_found_ia(dev, "drm", aux, radeonfb_drm_print);
return;
error:
if (sc->sc_biossz)
free(sc->sc_bios, M_DEVBUF);
if (sc->sc_regsz)
bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
if (sc->sc_memsz)
bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
}
static int
radeonfb_drm_print(void *aux, const char *pnp)
{
if (pnp)
aprint_normal("direct rendering for %s", pnp);
return (UNSUPP);
}
int
radeonfb_ioctl(void *v, void *vs,
unsigned long cmd, void *d, int flag, struct lwp *l)
{
struct vcons_data *vd;
struct radeonfb_display *dp;
struct radeonfb_softc *sc;
struct wsdisplay_param *param;
vd = (struct vcons_data *)v;
dp = (struct radeonfb_display *)vd->cookie;
sc = dp->rd_softc;
switch (cmd) {
case WSDISPLAYIO_GTYPE:
*(unsigned *)d = WSDISPLAY_TYPE_PCIMISC;
return 0;
case WSDISPLAYIO_GINFO:
if (vd->active != NULL) {
struct wsdisplay_fbinfo *fb;
fb = (struct wsdisplay_fbinfo *)d;
fb->width = dp->rd_virtx;
fb->height = dp->rd_virty;
fb->depth = dp->rd_bpp;
fb->cmsize = 256;
return 0;
} else
return ENODEV;
case WSDISPLAYIO_GVIDEO:
if (radeonfb_isblank(dp))
*(unsigned *)d = WSDISPLAYIO_VIDEO_OFF;
else
*(unsigned *)d = WSDISPLAYIO_VIDEO_ON;
return 0;
case WSDISPLAYIO_SVIDEO:
radeonfb_blank(dp,
(*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
return 0;
case WSDISPLAYIO_GETCMAP:
#if 0
if (dp->rd_bpp == 8)
return radeonfb_getcmap(sc,
(struct wsdisplay_cmap *)d);
#endif
return EINVAL;
case WSDISPLAYIO_PUTCMAP:
#if 0
if (dp->rd_bpp == 8)
return radeonfb_putcmap(sc,
(struct wsdisplay_cmap *)d);
#endif
return EINVAL;
case WSDISPLAYIO_LINEBYTES:
*(unsigned *)d = dp->rd_stride;
return 0;
case WSDISPLAYIO_SMODE:
if (*(int *)d != dp->rd_wsmode) {
dp->rd_wsmode = *(int *)d;
if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
(dp->rd_vd.active)) {
radeonfb_engine_init(dp);
radeonfb_modeswitch(dp);
vcons_redraw_screen(dp->rd_vd.active);
}
}
return 0;
case WSDISPLAYIO_GCURMAX:
((struct wsdisplay_curpos *)d)->x = RADEON_CURSORMAXX;
((struct wsdisplay_curpos *)d)->y = RADEON_CURSORMAXY;
return 0;
case WSDISPLAYIO_SCURSOR:
return radeonfb_set_cursor(dp, (struct wsdisplay_cursor *)d);
case WSDISPLAYIO_GCURSOR:
return EPASSTHROUGH;
case WSDISPLAYIO_GCURPOS:
((struct wsdisplay_curpos *)d)->x = dp->rd_cursor.rc_pos.x;
((struct wsdisplay_curpos *)d)->y = dp->rd_cursor.rc_pos.y;
return 0;
case WSDISPLAYIO_SCURPOS:
return radeonfb_set_curpos(dp, (struct wsdisplay_curpos *)d);
case WSDISPLAYIO_SSPLASH:
#if defined(SPLASHSCREEN)
if (*(int *)d == 1) {
SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
splash_render(&dp->rd_splash,
SPLASH_F_CENTER|SPLASH_F_FILL);
} else
SCREEN_ENABLE_DRAWING(&dp->rd_vscreen);
return 0;
#else
return ENODEV;
#endif
case WSDISPLAYIO_SPROGRESS:
#if defined(SPLASHSCREEN) && defined(SPLASHSCREEN_PROGRESS)
dp->rd_progress.sp_force = 1;
splash_progress_update(&dp->rd_progress);
dp->rd_progress.sp_force = 0;
return 0;
#else
return ENODEV;
#endif
case WSDISPLAYIO_GETPARAM:
param = (struct wsdisplay_param *)d;
if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
param->min = 0;
param->max = RADEONFB_BACKLIGHT_MAX;
param->curval = radeonfb_get_backlight(dp);
return 0;
}
return EPASSTHROUGH;
case WSDISPLAYIO_SETPARAM:
param = (struct wsdisplay_param *)d;
if (param->param == WSDISPLAYIO_PARAM_BACKLIGHT) {
return radeonfb_set_backlight(dp, param->curval);
}
return EPASSTHROUGH;
default:
return EPASSTHROUGH;
}
}
paddr_t
radeonfb_mmap(void *v, void *vs, off_t offset, int prot)
{
struct vcons_data *vd;
struct radeonfb_display *dp;
struct radeonfb_softc *sc;
#ifdef RADEONFB_MMAP_BARS
struct lwp *me;
#endif
paddr_t pa;
vd = (struct vcons_data *)v;
dp = (struct radeonfb_display *)vd->cookie;
sc = dp->rd_softc;
/* XXX: note that we don't allow mapping of registers right now */
/* XXX: this means that the XFree86 radeon driver won't work */
if ((offset >= 0) && (offset < (dp->rd_virty * dp->rd_stride))) {
pa = bus_space_mmap(sc->sc_memt,
sc->sc_memaddr + dp->rd_offset + offset, 0,
prot, BUS_SPACE_MAP_LINEAR);
return pa;
}
#ifdef RADEONFB_MMAP_BARS
/*
* restrict all other mappings to processes with superuser privileges
* or the kernel itself
*/
me = curlwp;
if (me != NULL) {
if (kauth_authorize_generic(me->l_cred, KAUTH_GENERIC_ISSUSER,
NULL) != 0) {
printf("%s: mmap() rejected.\n", sc->sc_dev.dv_xname);
return -1;
}
}
if ((offset >= sc->sc_regaddr) &&
(offset < sc->sc_regaddr + sc->sc_regsz)) {
return bus_space_mmap(sc->sc_regt, offset, 0, prot,
BUS_SPACE_MAP_LINEAR);
}
if ((offset >= sc->sc_memaddr) &&
(offset < sc->sc_memaddr + sc->sc_memsz)) {
return bus_space_mmap(sc->sc_memt, offset, 0, prot,
BUS_SPACE_MAP_LINEAR);
}
#ifdef macppc
/* allow mapping of IO space */
if ((offset >= 0xf2000000) && (offset < 0xf2800000)) {
pa = bus_space_mmap(sc->sc_iot, offset - 0xf2000000, 0, prot,
0);
return pa;
}
#endif /* macppc */
#endif /* RADEONFB_MMAP_BARS */
return -1;
}
static void
radeonfb_loadbios(struct radeonfb_softc *sc, struct pci_attach_args *pa)
{
bus_space_tag_t romt;
bus_space_handle_t romh, biosh;
bus_size_t romsz;
bus_addr_t ptr;
if (pci_mapreg_map(pa, PCI_MAPREG_ROM, PCI_MAPREG_TYPE_ROM,
BUS_SPACE_MAP_PREFETCHABLE, &romt, &romh, NULL, &romsz) != 0) {
aprint_verbose("%s: unable to map BIOS!\n", XNAME(sc));
return;
}
pci_find_rom(pa, romt, romh, PCI_ROM_CODE_TYPE_X86, &biosh,
&sc->sc_biossz);
if (sc->sc_biossz == 0) {
aprint_verbose("%s: Video BIOS not present\n", XNAME(sc));
return;
}
sc->sc_bios = malloc(sc->sc_biossz, M_DEVBUF, M_WAITOK);
bus_space_read_region_1(romt, biosh, 0, sc->sc_bios, sc->sc_biossz);
/* unmap the PCI expansion rom */
bus_space_unmap(romt, romh, romsz);
/* turn off rom decoder now */
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM,
pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_MAPREG_ROM) &
~PCI_MAPREG_ROM_ENABLE);
ptr = GETBIOS16(sc, 0x48);
if ((GETBIOS32(sc, ptr + 4) == 0x41544f4d /* "ATOM" */) ||
(GETBIOS32(sc, ptr + 4) == 0x4d4f5441 /* "MOTA" */)) {
sc->sc_flags |= RFB_ATOM;
}
aprint_verbose("%s: Found %d KB %s BIOS\n", XNAME(sc),
(unsigned)sc->sc_biossz >> 10, IS_ATOM(sc) ? "ATOM" : "Legacy");
}
uint32_t
radeonfb_get32(struct radeonfb_softc *sc, uint32_t reg)
{
return bus_space_read_4(sc->sc_regt, sc->sc_regh, reg);
}
void
radeonfb_put32(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
{
bus_space_write_4(sc->sc_regt, sc->sc_regh, reg, val);
}
void
radeonfb_mask32(struct radeonfb_softc *sc, uint32_t reg,
uint32_t andmask, uint32_t ormask)
{
int s;
uint32_t val;
s = splhigh();
val = radeonfb_get32(sc, reg);
val = (val & andmask) | ormask;
radeonfb_put32(sc, reg, val);
splx(s);
}
uint32_t
radeonfb_getindex(struct radeonfb_softc *sc, uint32_t idx)
{
int s;
uint32_t val;
s = splhigh();
radeonfb_put32(sc, RADEON_MM_INDEX, idx);
val = radeonfb_get32(sc, RADEON_MM_DATA);
splx(s);
return (val);
}
void
radeonfb_putindex(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
{
int s;
s = splhigh();
radeonfb_put32(sc, RADEON_MM_INDEX, idx);
radeonfb_put32(sc, RADEON_MM_DATA, val);
splx(s);
}
void
radeonfb_maskindex(struct radeonfb_softc *sc, uint32_t idx,
uint32_t andmask, uint32_t ormask)
{
int s;
uint32_t val;
s = splhigh();
radeonfb_put32(sc, RADEON_MM_INDEX, idx);
val = radeonfb_get32(sc, RADEON_MM_DATA);
val = (val & andmask) | ormask;
radeonfb_put32(sc, RADEON_MM_DATA, val);
splx(s);
}
uint32_t
radeonfb_getpll(struct radeonfb_softc *sc, uint32_t idx)
{
int s;
uint32_t val;
s = splhigh();
radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, idx & 0x3f);
val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
if (HAS_R300CG(sc))
radeonfb_r300cg_workaround(sc);
splx(s);
return (val);
}
void
radeonfb_putpll(struct radeonfb_softc *sc, uint32_t idx, uint32_t val)
{
int s;
s = splhigh();
radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
RADEON_PLL_WR_EN);
radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
splx(s);
}
void
radeonfb_maskpll(struct radeonfb_softc *sc, uint32_t idx,
uint32_t andmask, uint32_t ormask)
{
int s;
uint32_t val;
s = splhigh();
radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, (idx & 0x3f) |
RADEON_PLL_WR_EN);
val = radeonfb_get32(sc, RADEON_CLOCK_CNTL_DATA);
val = (val & andmask) | ormask;
radeonfb_put32(sc, RADEON_CLOCK_CNTL_DATA, val);
radeonfb_put32(sc, RADEON_CLOCK_CNTL_INDEX, 0);
splx(s);
}
int
radeonfb_scratch_test(struct radeonfb_softc *sc, int reg, uint32_t v)
{
uint32_t saved;
saved = GET32(sc, reg);
PUT32(sc, reg, v);
if (GET32(sc, reg) != v) {
return -1;
}
PUT32(sc, reg, saved);
return 0;
}
uintmax_t
radeonfb_getprop_num(struct radeonfb_softc *sc, const char *name,
uintmax_t defval)
{
prop_number_t pn;
pn = prop_dictionary_get(device_properties(&sc->sc_dev), name);
if (pn == NULL) {
return defval;
}
KASSERT(prop_object_type(pn) == PROP_TYPE_NUMBER);
return (prop_number_integer_value(pn));
}
int
radeonfb_getclocks(struct radeonfb_softc *sc)
{
bus_addr_t ptr;
int refclk = 0;
int refdiv = 0;
int minpll = 0;
int maxpll = 0;
/* load initial property values if port/board provides them */
refclk = radeonfb_getprop_num(sc, "refclk", 0) & 0xffff;
refdiv = radeonfb_getprop_num(sc, "refdiv", 0) & 0xffff;
minpll = radeonfb_getprop_num(sc, "minpll", 0) & 0xffffffffU;
maxpll = radeonfb_getprop_num(sc, "maxpll", 0) & 0xffffffffU;
if (refclk && refdiv && minpll && maxpll)
goto dontprobe;
if (!sc->sc_biossz) {
/* no BIOS */
aprint_verbose("%s: No video BIOS, using default clocks\n",
XNAME(sc));
if (IS_IGP(sc))
refclk = refclk ? refclk : 1432;
else
refclk = refclk ? refclk : 2700;
refdiv = refdiv ? refdiv : 12;
minpll = minpll ? minpll : 12500;
maxpll = maxpll ? maxpll : 35000;
} else if (IS_ATOM(sc)) {
/* ATOM BIOS */
ptr = GETBIOS16(sc, 0x48);
ptr = GETBIOS16(sc, ptr + 32); /* aka MasterDataStart */
ptr = GETBIOS16(sc, ptr + 12); /* pll info block */
refclk = refclk ? refclk : GETBIOS16(sc, ptr + 82);
minpll = minpll ? minpll : GETBIOS16(sc, ptr + 78);
maxpll = maxpll ? maxpll : GETBIOS16(sc, ptr + 32);
/*
* ATOM BIOS doesn't supply a reference divider, so we
* have to probe for it.
*/
if (refdiv < 2)
refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV) &
RADEON_PPLL_REF_DIV_MASK;
/*
* if probe is zero, just assume one that should work
* for most parts
*/
if (refdiv < 2)
refdiv = 12;
} else {
/* Legacy BIOS */
ptr = GETBIOS16(sc, 0x48);
ptr = GETBIOS16(sc, ptr + 0x30);
refclk = refclk ? refclk : GETBIOS16(sc, ptr + 0x0E);
refdiv = refdiv ? refdiv : GETBIOS16(sc, ptr + 0x10);
minpll = minpll ? minpll : GETBIOS32(sc, ptr + 0x12);
maxpll = maxpll ? maxpll : GETBIOS32(sc, ptr + 0x16);
}
dontprobe:
sc->sc_refclk = refclk * 10;
sc->sc_refdiv = refdiv;
sc->sc_minpll = minpll * 10;
sc->sc_maxpll = maxpll * 10;
return 0;
}
int
radeonfb_calc_dividers(struct radeonfb_softc *sc, uint32_t dotclock,
uint32_t *postdivbit, uint32_t *feedbackdiv)
{
int i;
uint32_t outfreq;
int div;
DPRINTF(("dot clock: %u\n", dotclock));
for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
outfreq = div * dotclock;
if ((outfreq >= sc->sc_minpll) &&
(outfreq <= sc->sc_maxpll)) {
DPRINTF(("outfreq: %u\n", outfreq));
*postdivbit =
((uint32_t)radeonfb_dividers[i].mask << 16);
DPRINTF(("post divider: %d (mask %x)\n", div,
*postdivbit));
break;
}
}
if (div == 0)
return 1;
*feedbackdiv = DIVIDE(sc->sc_refdiv * outfreq, sc->sc_refclk);
DPRINTF(("feedback divider: %d\n", *feedbackdiv));
return 0;
}
#if 0
#ifdef RADEON_DEBUG
static void
dump_buffer(const char *pfx, void *buffer, unsigned int size)
{
char asc[17];
unsigned ptr = (unsigned)buffer;
char *start = (char *)(ptr & ~0xf);
char *end = (char *)(ptr + size);
end = (char *)(((unsigned)end + 0xf) & ~0xf);
if (pfx == NULL) {
pfx = "";
}
while (start < end) {
unsigned offset = (unsigned)start & 0xf;
if (offset == 0) {
printf("%s%x: ", pfx, (unsigned)start);
}
if (((unsigned)start < ptr) ||
((unsigned)start >= (ptr + size))) {
printf(" ");
asc[offset] = ' ';
} else {
printf("%02x", *(unsigned char *)start);
if ((*start >= ' ') && (*start <= '~')) {
asc[offset] = *start;
} else {
asc[offset] = '.';
}
}
asc[offset + 1] = 0;
if (offset % 2) {
printf(" ");
}
if (offset == 15) {
printf(" %s\n", asc);
}
start++;
}
}
#endif
#endif
int
radeonfb_getconnectors(struct radeonfb_softc *sc)
{
int i;
int found = 0;
for (i = 0; i < 2; i++) {
sc->sc_ports[i].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[i].rp_ddc_type = RADEON_DDC_NONE;
sc->sc_ports[i].rp_dac_type = RADEON_DAC_UNKNOWN;
sc->sc_ports[i].rp_conn_type = RADEON_CONN_NONE;
sc->sc_ports[i].rp_tmds_type = RADEON_TMDS_UNKNOWN;
}
/*
* This logic is borrowed from Xorg's radeon driver.
*/
if (!sc->sc_biossz)
goto nobios;
if (IS_ATOM(sc)) {
/* not done yet */
} else {
uint16_t ptr;
int port = 0;
ptr = GETBIOS16(sc, 0x48);
ptr = GETBIOS16(sc, ptr + 0x50);
for (i = 1; i < 4; i++) {
uint16_t entry;
uint8_t conn, ddc, dac, tmds;
/*
* Parse the connector table. From reading the code,
* it appears to made up of 16-bit entries for each
* connector. The 16-bits are defined as:
*
* bits 12-15 - connector type (0 == end of table)
* bits 8-11 - DDC type
* bits 5-7 - ???
* bit 4 - TMDS type (1 = EXT, 0 = INT)
* bits 1-3 - ???
* bit 0 - DAC, 1 = TVDAC, 0 = primary
*/
if (!GETBIOS8(sc, ptr + i * 2) && i > 1)
break;
entry = GETBIOS16(sc, ptr + i * 2);
conn = (entry >> 12) & 0xf;
ddc = (entry >> 8) & 0xf;
dac = (entry & 0x1) ? RADEON_DAC_TVDAC :
RADEON_DAC_PRIMARY;
tmds = ((entry >> 4) & 0x1) ? RADEON_TMDS_EXT :
RADEON_TMDS_INT;
if (conn == RADEON_CONN_NONE)
continue; /* no connector */
if ((found > 0) &&
(sc->sc_ports[port].rp_ddc_type == ddc)) {
/* duplicate entry for same connector */
continue;
}
/* internal DDC_DVI port gets priority */
if ((ddc == RADEON_DDC_DVI) || (port == 1))
port = 0;
else
port = 1;
sc->sc_ports[port].rp_ddc_type =
ddc > RADEON_DDC_CRT2 ? RADEON_DDC_NONE : ddc;
sc->sc_ports[port].rp_dac_type = dac;
sc->sc_ports[port].rp_conn_type =
min(conn, RADEON_CONN_UNSUPPORTED) ;
sc->sc_ports[port].rp_tmds_type = tmds;
if ((conn != RADEON_CONN_DVI_I) &&
(conn != RADEON_CONN_DVI_D) &&
(tmds == RADEON_TMDS_INT))
sc->sc_ports[port].rp_tmds_type =
RADEON_TMDS_UNKNOWN;
found += (port + 1);
}
}
nobios:
if (!found) {
DPRINTF(("No connector info in BIOS!\n"));
/* default, port 0 = internal TMDS, port 1 = CRT */
sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[0].rp_ddc_type = RADEON_DDC_DVI;
sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_D;
sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[1].rp_ddc_type = RADEON_DDC_VGA;
sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
sc->sc_ports[1].rp_conn_type = RADEON_CONN_CRT;
sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_EXT;
}
/*
* Fixup for RS300/RS350/RS400 chips, that lack a primary DAC.
* these chips should use TVDAC for the VGA port.
*/
if (HAS_SDAC(sc)) {
if (sc->sc_ports[0].rp_conn_type == RADEON_CONN_CRT) {
sc->sc_ports[0].rp_dac_type = RADEON_DAC_TVDAC;
sc->sc_ports[1].rp_dac_type = RADEON_DAC_PRIMARY;
} else {
sc->sc_ports[1].rp_dac_type = RADEON_DAC_TVDAC;
sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
}
} else if (!HAS_CRTC2(sc)) {
sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
}
for (i = 0; i < 2; i++) {
char edid[128];
uint8_t ddc;
struct edid_info *eip = &sc->sc_ports[i].rp_edid;
prop_data_t edid_data;
DPRINTF(("Port #%d:\n", i));
DPRINTF((" conn = %d\n", sc->sc_ports[i].rp_conn_type));
DPRINTF((" ddc = %d\n", sc->sc_ports[i].rp_ddc_type));
DPRINTF((" dac = %d\n", sc->sc_ports[i].rp_dac_type));
DPRINTF((" tmds = %d\n", sc->sc_ports[i].rp_tmds_type));
sc->sc_ports[i].rp_edid_valid = 0;
/* first look for static EDID data */
if ((edid_data = prop_dictionary_get(device_properties(
&sc->sc_dev), "EDID")) != NULL) {
aprint_normal("%s: using static EDID\n",
sc->sc_dev.dv_xname);
memcpy(edid, prop_data_data_nocopy(edid_data), 128);
if (edid_parse(edid, eip) == 0) {
sc->sc_ports[i].rp_edid_valid = 1;
edid_print(eip);
}
}
/* if we didn't find any we'll try to talk to the monitor */
if (sc->sc_ports[i].rp_edid_valid != 1) {
ddc = sc->sc_ports[i].rp_ddc_type;
if (ddc != RADEON_DDC_NONE) {
if ((radeonfb_i2c_read_edid(sc, ddc, edid)
== 0) && (edid_parse(edid, eip) == 0)) {
sc->sc_ports[i].rp_edid_valid = 1;
edid_print(eip);
}
}
}
}
return found;
}
int
radeonfb_gettmds(struct radeonfb_softc *sc)
{
int i;
if (!sc->sc_biossz) {
goto nobios;
}
if (IS_ATOM(sc)) {
/* XXX: not done yet */
} else {
uint16_t ptr;
int n;
ptr = GETBIOS16(sc, 0x48);
ptr = GETBIOS16(sc, ptr + 0x34);
DPRINTF(("DFP table revision %d\n", GETBIOS8(sc, ptr)));
if (GETBIOS8(sc, ptr) == 3) {
/* revision three table */
n = GETBIOS8(sc, ptr + 5) + 1;
n = min(n, 4);
memset(sc->sc_tmds_pll, 0, sizeof (sc->sc_tmds_pll));
for (i = 0; i < n; i++) {
sc->sc_tmds_pll[i].rtp_pll = GETBIOS32(sc,
ptr + i * 10 + 8);
sc->sc_tmds_pll[i].rtp_freq = GETBIOS16(sc,
ptr + i * 10 + 0x10);
DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
sc->sc_tmds_pll[i].rtp_freq,
sc->sc_tmds_pll[i].rtp_pll));
}
return 0;
}
}
nobios:
DPRINTF(("no suitable DFP table present\n"));
for (i = 0;
i < sizeof (radeonfb_tmds_pll) / sizeof (radeonfb_tmds_pll[0]);
i++) {
int j;
if (radeonfb_tmds_pll[i].family != sc->sc_family)
continue;
for (j = 0; j < 4; j++) {
sc->sc_tmds_pll[j] = radeonfb_tmds_pll[i].plls[j];
DPRINTF(("TMDS_PLL dot clock %d pll %x\n",
sc->sc_tmds_pll[j].rtp_freq,
sc->sc_tmds_pll[j].rtp_pll));
}
return 0;
}
return -1;
}
const struct videomode *
radeonfb_modelookup(const char *name)
{
int i;
for (i = 0; i < videomode_count; i++)
if (!strcmp(name, videomode_list[i].name))
return &videomode_list[i];
return NULL;
}
void
radeonfb_pllwriteupdate(struct radeonfb_softc *sc, int crtc)
{
if (crtc) {
while (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
RADEON_P2PLL_ATOMIC_UPDATE_R);
SETPLL(sc, RADEON_P2PLL_REF_DIV, RADEON_P2PLL_ATOMIC_UPDATE_W);
} else {
while (GETPLL(sc, RADEON_PPLL_REF_DIV) &
RADEON_PPLL_ATOMIC_UPDATE_R);
SETPLL(sc, RADEON_PPLL_REF_DIV, RADEON_PPLL_ATOMIC_UPDATE_W);
}
}
void
radeonfb_pllwaitatomicread(struct radeonfb_softc *sc, int crtc)
{
int i;
for (i = 10000; i; i--) {
if (crtc) {
if (GETPLL(sc, RADEON_P2PLL_REF_DIV) &
RADEON_P2PLL_ATOMIC_UPDATE_R)
break;
} else {
if (GETPLL(sc, RADEON_PPLL_REF_DIV) &
RADEON_PPLL_ATOMIC_UPDATE_R)
break;
}
}
}
void
radeonfb_program_vclk(struct radeonfb_softc *sc, int dotclock, int crtc)
{
uint32_t pbit = 0;
uint32_t feed = 0;
uint32_t data;
#if 1
int i;
#endif
radeonfb_calc_dividers(sc, dotclock, &pbit, &feed);
if (crtc == 0) {
/* XXXX: mobility workaround missing */
/* XXXX: R300 stuff missing */
PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
RADEON_VCLK_SRC_SEL_CPUCLK,
~RADEON_VCLK_SRC_SEL_MASK);
/* put vclk into reset, use atomic updates */
SETPLL(sc, RADEON_PPLL_CNTL,
RADEON_PPLL_REFCLK_SEL |
RADEON_PPLL_FBCLK_SEL |
RADEON_PPLL_RESET |
RADEON_PPLL_ATOMIC_UPDATE_EN |
RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
/* select clock 3 */
#if 0
PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, RADEON_PLL_DIV_SEL,
~RADEON_PLL_DIV_SEL);
#else
PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
~RADEON_PLL_DIV_SEL);
#endif
/* XXX: R300 family -- program divider differently? */
/* program reference divider */
PATCHPLL(sc, RADEON_PPLL_REF_DIV, sc->sc_refdiv,
~RADEON_PPLL_REF_DIV_MASK);
PRINTPLL(RADEON_PPLL_REF_DIV);
#if 0
data = GETPLL(sc, RADEON_PPLL_DIV_3);
data &= ~(RADEON_PPLL_FB3_DIV_MASK |
RADEON_PPLL_POST3_DIV_MASK);
data |= pbit;
data |= (feed & RADEON_PPLL_FB3_DIV_MASK);
PUTPLL(sc, RADEON_PPLL_DIV_3, data);
#else
for (i = 0; i < 4; i++) {
}
#endif
/* use the atomic update */
radeonfb_pllwriteupdate(sc, crtc);
/* and wait for it to complete */
radeonfb_pllwaitatomicread(sc, crtc);
/* program HTOTAL (why?) */
PUTPLL(sc, RADEON_HTOTAL_CNTL, 0);
/* drop reset */
CLRPLL(sc, RADEON_PPLL_CNTL,
RADEON_PPLL_RESET | RADEON_PPLL_SLEEP |
RADEON_PPLL_ATOMIC_UPDATE_EN |
RADEON_PPLL_VGA_ATOMIC_UPDATE_EN);
PRINTPLL(RADEON_PPLL_CNTL);
/* give clock time to lock */
delay(50000);
PATCHPLL(sc, RADEON_VCLK_ECP_CNTL,
RADEON_VCLK_SRC_SEL_PPLLCLK,
~RADEON_VCLK_SRC_SEL_MASK);
} else {
PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
RADEON_PIX2CLK_SRC_SEL_CPUCLK,
~RADEON_PIX2CLK_SRC_SEL_MASK);
/* put vclk into reset, use atomic updates */
SETPLL(sc, RADEON_P2PLL_CNTL,
RADEON_P2PLL_RESET |
RADEON_P2PLL_ATOMIC_UPDATE_EN |
RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
/* XXX: R300 family -- program divider differently? */
/* program reference divider */
PATCHPLL(sc, RADEON_P2PLL_REF_DIV, sc->sc_refdiv,
~RADEON_P2PLL_REF_DIV_MASK);
/* program feedback and post dividers */
data = GETPLL(sc, RADEON_P2PLL_DIV_0);
data &= ~(RADEON_P2PLL_FB0_DIV_MASK |
RADEON_P2PLL_POST0_DIV_MASK);
data |= pbit;
data |= (feed & RADEON_P2PLL_FB0_DIV_MASK);
PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
/* use the atomic update */
radeonfb_pllwriteupdate(sc, crtc);
/* and wait for it to complete */
radeonfb_pllwaitatomicread(sc, crtc);
/* program HTOTAL (why?) */
PUTPLL(sc, RADEON_HTOTAL2_CNTL, 0);
/* drop reset */
CLRPLL(sc, RADEON_P2PLL_CNTL,
RADEON_P2PLL_RESET | RADEON_P2PLL_SLEEP |
RADEON_P2PLL_ATOMIC_UPDATE_EN |
RADEON_P2PLL_VGA_ATOMIC_UPDATE_EN);
/* allow time for clock to lock */
delay(50000);
PATCHPLL(sc, RADEON_PIXCLKS_CNTL,
RADEON_PIX2CLK_SRC_SEL_P2PLLCLK,
~RADEON_PIX2CLK_SRC_SEL_MASK);
}
PRINTREG(RADEON_CRTC_MORE_CNTL);
}
void
radeonfb_modeswitch(struct radeonfb_display *dp)
{
struct radeonfb_softc *sc = dp->rd_softc;
int i;
/* blank the display while we switch modes */
//radeonfb_blank(dp, 1);
#if 0
SET32(sc, RADEON_CRTC_EXT_CNTL,
RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
#endif
/* these registers might get in the way... */
PUT32(sc, RADEON_OVR_CLR, 0);
PUT32(sc, RADEON_OVR_WID_LEFT_RIGHT, 0);
PUT32(sc, RADEON_OVR_WID_TOP_BOTTOM, 0);
PUT32(sc, RADEON_OV0_SCALE_CNTL, 0);
PUT32(sc, RADEON_SUBPIC_CNTL, 0);
PUT32(sc, RADEON_VIPH_CONTROL, 0);
PUT32(sc, RADEON_I2C_CNTL_1, 0);
PUT32(sc, RADEON_GEN_INT_CNTL, 0);
PUT32(sc, RADEON_CAP0_TRIG_CNTL, 0);
PUT32(sc, RADEON_CAP1_TRIG_CNTL, 0);
PUT32(sc, RADEON_SURFACE_CNTL, 0);
for (i = 0; i < dp->rd_ncrtcs; i++)
radeonfb_setcrtc(dp, i);
/* activate the display */
//radeonfb_blank(dp, 0);
}
void
radeonfb_setcrtc(struct radeonfb_display *dp, int index)
{
int crtc;
struct videomode *mode;
struct radeonfb_softc *sc;
struct radeonfb_crtc *cp;
uint32_t v;
uint32_t gencntl;
uint32_t htotaldisp;
uint32_t hsyncstrt;
uint32_t vtotaldisp;
uint32_t vsyncstrt;
uint32_t fphsyncstrt;
uint32_t fpvsyncstrt;
uint32_t fphtotaldisp;
uint32_t fpvtotaldisp;
uint32_t pitch;
sc = dp->rd_softc;
cp = &dp->rd_crtcs[index];
crtc = cp->rc_number;
mode = &cp->rc_videomode;
#if 1
pitch = (((dp->rd_virtx * dp->rd_bpp) + ((dp->rd_bpp * 8) - 1)) /
(dp->rd_bpp * 8));
#else
pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
(sc->sc_maxbpp * 8));
#endif
//pitch = pitch | (pitch << 16);
switch (crtc) {
case 0:
gencntl = RADEON_CRTC_GEN_CNTL;
htotaldisp = RADEON_CRTC_H_TOTAL_DISP;
hsyncstrt = RADEON_CRTC_H_SYNC_STRT_WID;
vtotaldisp = RADEON_CRTC_V_TOTAL_DISP;
vsyncstrt = RADEON_CRTC_V_SYNC_STRT_WID;
fpvsyncstrt = RADEON_FP_V_SYNC_STRT_WID;
fphsyncstrt = RADEON_FP_H_SYNC_STRT_WID;
fpvtotaldisp = RADEON_FP_CRTC_V_TOTAL_DISP;
fphtotaldisp = RADEON_FP_CRTC_H_TOTAL_DISP;
break;
case 1:
gencntl = RADEON_CRTC2_GEN_CNTL;
htotaldisp = RADEON_CRTC2_H_TOTAL_DISP;
hsyncstrt = RADEON_CRTC2_H_SYNC_STRT_WID;
vtotaldisp = RADEON_CRTC2_V_TOTAL_DISP;
vsyncstrt = RADEON_CRTC2_V_SYNC_STRT_WID;
fpvsyncstrt = RADEON_FP_V2_SYNC_STRT_WID;
fphsyncstrt = RADEON_FP_H2_SYNC_STRT_WID;
fpvtotaldisp = RADEON_FP_CRTC2_V_TOTAL_DISP;
fphtotaldisp = RADEON_FP_CRTC2_H_TOTAL_DISP;
break;
default:
panic("Bad CRTC!");
break;
}
/*
* CRTC_GEN_CNTL - depth, accelerator mode, etc.
*/
/* only bother with 32bpp and 8bpp */
v = dp->rd_format << RADEON_CRTC_PIX_WIDTH_SHIFT;
if (crtc == 1) {
v |= RADEON_CRTC2_CRT2_ON | RADEON_CRTC2_EN;
} else {
v |= RADEON_CRTC_EXT_DISP_EN | RADEON_CRTC_EN;
}
if (mode->flags & VID_DBLSCAN)
v |= RADEON_CRTC2_DBL_SCAN_EN;
if (mode->flags & VID_INTERLACE)
v |= RADEON_CRTC2_INTERLACE_EN;
if (mode->flags & VID_CSYNC) {
v |= RADEON_CRTC2_CSYNC_EN;
if (crtc == 1)
v |= RADEON_CRTC2_VSYNC_TRISTAT;
}
PUT32(sc, gencntl, v);
DPRINTF(("CRTC%s_GEN_CNTL = %08x\n", crtc ? "2" : "", v));
/*
* CRTC_EXT_CNTL - preserve disable flags, set ATI linear and EXT_CNT
*/
v = GET32(sc, RADEON_CRTC_EXT_CNTL);
if (crtc == 0) {
v &= (RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
RADEON_CRTC_DISPLAY_DIS);
v |= RADEON_XCRT_CNT_EN | RADEON_VGA_ATI_LINEAR;
if (mode->flags & VID_CSYNC)
v |= RADEON_CRTC_VSYNC_TRISTAT;
}
/* unconditional turn on CRT, in case first CRTC is DFP */
v |= RADEON_CRTC_CRT_ON;
PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
PRINTREG(RADEON_CRTC_EXT_CNTL);
/*
* H_TOTAL_DISP
*/
v = ((mode->hdisplay / 8) - 1) << 16;
v |= (mode->htotal / 8) - 1;
PUT32(sc, htotaldisp, v);
DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
PUT32(sc, fphtotaldisp, v);
DPRINTF(("FP_H%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
/*
* H_SYNC_STRT_WID
*/
v = (((mode->hsync_end - mode->hsync_start) / 8) << 16);
v |= mode->hsync_start;
if (mode->flags & VID_NHSYNC)
v |= RADEON_CRTC_H_SYNC_POL;
PUT32(sc, hsyncstrt, v);
DPRINTF(("CRTC%s_H_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
PUT32(sc, fphsyncstrt, v);
DPRINTF(("FP_H%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
/*
* V_TOTAL_DISP
*/
v = ((mode->vdisplay - 1) << 16);
v |= (mode->vtotal - 1);
PUT32(sc, vtotaldisp, v);
DPRINTF(("CRTC%s_V_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
PUT32(sc, fpvtotaldisp, v);
DPRINTF(("FP_V%s_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
/*
* V_SYNC_STRT_WID
*/
v = ((mode->vsync_end - mode->vsync_start) << 16);
v |= (mode->vsync_start - 1);
if (mode->flags & VID_NVSYNC)
v |= RADEON_CRTC_V_SYNC_POL;
PUT32(sc, vsyncstrt, v);
DPRINTF(("CRTC%s_V_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
PUT32(sc, fpvsyncstrt, v);
DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
radeonfb_program_vclk(sc, mode->dot_clock, crtc);
switch (crtc) {
case 0:
PUT32(sc, RADEON_CRTC_OFFSET, 0);
PUT32(sc, RADEON_CRTC_OFFSET_CNTL, 0);
PUT32(sc, RADEON_CRTC_PITCH, pitch);
CLR32(sc, RADEON_DISP_MERGE_CNTL, RADEON_DISP_RGB_OFFSET_EN);
CLR32(sc, RADEON_CRTC_EXT_CNTL,
RADEON_CRTC_VSYNC_DIS | RADEON_CRTC_HSYNC_DIS |
RADEON_CRTC_DISPLAY_DIS /* | RADEON_CRTC_DISP_REQ_EN_B */);
CLR32(sc, RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B);
PRINTREG(RADEON_CRTC_EXT_CNTL);
PRINTREG(RADEON_CRTC_GEN_CNTL);
PRINTREG(RADEON_CLOCK_CNTL_INDEX);
break;
case 1:
PUT32(sc, RADEON_CRTC2_OFFSET, 0);
PUT32(sc, RADEON_CRTC2_OFFSET_CNTL, 0);
PUT32(sc, RADEON_CRTC2_PITCH, pitch);
CLR32(sc, RADEON_DISP2_MERGE_CNTL, RADEON_DISP2_RGB_OFFSET_EN);
CLR32(sc, RADEON_CRTC2_GEN_CNTL,
RADEON_CRTC2_VSYNC_DIS |
RADEON_CRTC2_HSYNC_DIS |
RADEON_CRTC2_DISP_DIS | RADEON_CRTC2_DISP_REQ_EN_B);
PRINTREG(RADEON_CRTC2_GEN_CNTL);
break;
}
}
int
radeonfb_isblank(struct radeonfb_display *dp)
{
uint32_t reg, mask;
if (dp->rd_crtcs[0].rc_number) {
reg = RADEON_CRTC2_GEN_CNTL;
mask = RADEON_CRTC2_DISP_DIS;
} else {
reg = RADEON_CRTC_EXT_CNTL;
mask = RADEON_CRTC_DISPLAY_DIS;
}
return ((GET32(dp->rd_softc, reg) & mask) ? 1 : 0);
}
void
radeonfb_blank(struct radeonfb_display *dp, int blank)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t reg, mask;
uint32_t fpreg, fpval;
int i;
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (dp->rd_crtcs[i].rc_number) {
reg = RADEON_CRTC2_GEN_CNTL;
mask = RADEON_CRTC2_DISP_DIS;
fpreg = RADEON_FP2_GEN_CNTL;
fpval = RADEON_FP2_ON;
} else {
reg = RADEON_CRTC_EXT_CNTL;
mask = RADEON_CRTC_DISPLAY_DIS;
fpreg = RADEON_FP_GEN_CNTL;
fpval = RADEON_FP_FPON;
}
if (blank) {
SET32(sc, reg, mask);
CLR32(sc, fpreg, fpval);
} else {
CLR32(sc, reg, mask);
SET32(sc, fpreg, fpval);
}
}
PRINTREG(RADEON_FP_GEN_CNTL);
PRINTREG(RADEON_FP2_GEN_CNTL);
}
void
radeonfb_init_screen(void *cookie, struct vcons_screen *scr, int existing,
long *defattr)
{
struct radeonfb_display *dp = cookie;
struct rasops_info *ri = &scr->scr_ri;
/* initialize font subsystem */
wsfont_init();
DPRINTF(("init screen called, existing %d\n", existing));
ri->ri_depth = dp->rd_bpp;
ri->ri_width = dp->rd_virtx;
ri->ri_height = dp->rd_virty;
ri->ri_stride = dp->rd_stride;
ri->ri_flg = RI_CENTER;
ri->ri_bits = (void *)dp->rd_fbptr;
/* XXX: 32 bpp only */
/* this is rgb in "big-endian order..." */
ri->ri_rnum = 8;
ri->ri_gnum = 8;
ri->ri_bnum = 8;
ri->ri_rpos = 16;
ri->ri_gpos = 8;
ri->ri_bpos = 0;
if (existing) {
ri->ri_flg |= RI_CLEAR;
/* start a modeswitch now */
radeonfb_modeswitch(dp);
}
/*
* XXX: font selection should be based on properties, with some
* normal/reasonable default.
*/
ri->ri_caps = WSSCREEN_WSCOLORS;
/* initialize and look for an initial font */
rasops_init(ri, dp->rd_virty/8, dp->rd_virtx/8);
rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
dp->rd_virtx / ri->ri_font->fontwidth);
/* enable acceleration */
ri->ri_ops.copyrows = radeonfb_copyrows;
ri->ri_ops.copycols = radeonfb_copycols;
ri->ri_ops.eraserows = radeonfb_eraserows;
ri->ri_ops.erasecols = radeonfb_erasecols;
ri->ri_ops.allocattr = radeonfb_allocattr;
if (!IS_R300(dp->rd_softc)) {
ri->ri_ops.putchar = radeonfb_putchar;
}
ri->ri_ops.cursor = radeonfb_cursor;
}
void
radeonfb_set_fbloc(struct radeonfb_softc *sc)
{
uint32_t gen, ext, gen2 = 0;
uint32_t agploc, aperbase, apersize, mcfbloc;
gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
ext = GET32(sc, RADEON_CRTC_EXT_CNTL);
agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
//PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
//PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
if (HAS_CRTC2(sc)) {
gen2 = GET32(sc, RADEON_CRTC2_GEN_CNTL);
PUT32(sc, RADEON_CRTC2_GEN_CNTL,
gen2 | RADEON_CRTC2_DISP_REQ_EN_B);
}
delay(100000);
mcfbloc = (aperbase >> 16) |
((aperbase + (apersize - 1)) & 0xffff0000);
sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
sc->sc_memsz = apersize;
if (((agploc & 0xffff) << 16) !=
((mcfbloc & 0xffff0000U) + 0x10000)) {
agploc = mcfbloc & 0xffff0000U;
agploc |= ((agploc + 0x10000) >> 16);
}
PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
DPRINTF(("aperbase = %u\n", aperbase));
PRINTREG(RADEON_MC_FB_LOCATION);
PRINTREG(RADEON_MC_AGP_LOCATION);
PUT32(sc, RADEON_DISPLAY_BASE_ADDR, sc->sc_aperbase);
if (HAS_CRTC2(sc))
PUT32(sc, RADEON_DISPLAY2_BASE_ADDR, sc->sc_aperbase);
PUT32(sc, RADEON_OV0_BASE_ADDR, sc->sc_aperbase);
#if 0
/* XXX: what is this AGP garbage? :-) */
PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
#endif
delay(100000);
PUT32(sc, RADEON_CRTC_GEN_CNTL, gen);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
if (HAS_CRTC2(sc))
PUT32(sc, RADEON_CRTC2_GEN_CNTL, gen2);
}
void
radeonfb_init_misc(struct radeonfb_softc *sc)
{
PUT32(sc, RADEON_BUS_CNTL,
RADEON_BUS_MASTER_DIS |
RADEON_BUS_PREFETCH_MODE_ACT |
RADEON_BUS_PCI_READ_RETRY_EN |
RADEON_BUS_PCI_WRT_RETRY_EN |
(3 << RADEON_BUS_RETRY_WS_SHIFT) |
RADEON_BUS_MSTR_RD_MULT |
RADEON_BUS_MSTR_RD_LINE |
RADEON_BUS_RD_DISCARD_EN |
RADEON_BUS_MSTR_DISCONNECT_EN |
RADEON_BUS_READ_BURST);
PUT32(sc, RADEON_BUS_CNTL1, 0xf0);
/* PUT32(sc, RADEON_SEPROM_CNTL1, 0x09ff0000); */
PUT32(sc, RADEON_FCP_CNTL, RADEON_FCP0_SRC_GND);
PUT32(sc, RADEON_RBBM_CNTL,
(3 << RADEON_RB_SETTLE_SHIFT) |
(4 << RADEON_ABORTCLKS_HI_SHIFT) |
(4 << RADEON_ABORTCLKS_CP_SHIFT) |
(4 << RADEON_ABORTCLKS_CFIFO_SHIFT));
/* XXX: figure out what these mean! */
PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
//PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
PUT32(sc, RADEON_GEN_INT_CNTL, 0);
PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
}
/*
* This loads a linear color map for true color.
*/
void
radeonfb_init_palette(struct radeonfb_softc *sc, int crtc)
{
int i;
uint32_t vclk;
#define DAC_WIDTH ((1 << 10) - 1)
#define CLUT_WIDTH ((1 << 8) - 1)
#define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
if (crtc)
SET32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
else
CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
PUT32(sc, RADEON_PALETTE_INDEX, 0);
for (i = 0; i <= CLUT_WIDTH; ++i) {
PUT32(sc, RADEON_PALETTE_30_DATA,
(CLUT_COLOR(i) << 10) |
(CLUT_COLOR(i) << 20) |
(CLUT_COLOR(i)));
}
CLR32(sc, RADEON_DAC_CNTL2, RADEON_DAC2_PALETTE_ACC_CTL);
PRINTREG(RADEON_DAC_CNTL2);
PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
}
/*
* Bugs in some R300 hardware requires this when accessing CLOCK_CNTL_INDEX.
*/
void
radeonfb_r300cg_workaround(struct radeonfb_softc *sc)
{
uint32_t tmp, save;
save = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
tmp = save & ~(0x3f | RADEON_PLL_WR_EN);
PUT32(sc, RADEON_CLOCK_CNTL_INDEX, tmp);
tmp = GET32(sc, RADEON_CLOCK_CNTL_DATA);
PUT32(sc, RADEON_CLOCK_CNTL_INDEX, save);
}
/*
* Acceleration entry points.
*/
static void
radeonfb_putchar(void *cookie, int row, int col, u_int c, long attr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
uint32_t x, y, w, h;
uint32_t bg, fg;
uint8_t *data;
if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
return;
if (!CHAR_IN_FONT(c, ri->ri_font))
return;
w = ri->ri_font->fontwidth;
h = ri->ri_font->fontheight;
bg = ri->ri_devcmap[(attr >> 16) & 0xf];
fg = ri->ri_devcmap[(attr >> 24) & 0xf];
x = ri->ri_xorigin + col * w;
y = ri->ri_yorigin + row * h;
if (c == 0x20) {
radeonfb_rectfill(dp, x, y, w, h, bg);
} else {
data = (uint8_t *)ri->ri_font->data +
(c - ri->ri_font->firstchar) * ri->ri_fontscale;
radeonfb_setup_mono(dp, x, y, w, h, fg, bg);
radeonfb_feed_bytes(dp, ri->ri_fontscale, data);
}
}
static void
radeonfb_eraserows(void *cookie, int row, int nrows, long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
uint32_t x, y, w, h, fg, bg, ul;
/* XXX: check for full emulation mode? */
if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
x = ri->ri_xorigin;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
w = ri->ri_emuwidth;
h = ri->ri_font->fontheight * nrows;
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
}
}
static void
radeonfb_copyrows(void *cookie, int srcrow, int dstrow, int nrows)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
uint32_t x, ys, yd, w, h;
if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
x = ri->ri_xorigin;
ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow;
yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow;
w = ri->ri_emuwidth;
h = ri->ri_font->fontheight * nrows;
radeonfb_bitblt(dp, x, ys, x, yd, w, h,
RADEON_ROP3_S, 0xffffffff);
}
}
static void
radeonfb_copycols(void *cookie, int row, int srccol, int dstcol, int ncols)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
uint32_t xs, xd, y, w, h;
if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol;
xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
w = ri->ri_font->fontwidth * ncols;
h = ri->ri_font->fontheight;
radeonfb_bitblt(dp, xs, y, xd, y, w, h,
RADEON_ROP3_S, 0xffffffff);
}
}
static void
radeonfb_erasecols(void *cookie, int row, int startcol, int ncols,
long fillattr)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
uint32_t x, y, w, h, fg, bg, ul;
if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
x = ri->ri_xorigin + ri->ri_font->fontwidth * startcol;
y = ri->ri_yorigin + ri->ri_font->fontheight * row;
w = ri->ri_font->fontwidth * ncols;
h = ri->ri_font->fontheight;
rasops_unpack_attr(fillattr, &fg, &bg, &ul);
radeonfb_rectfill(dp, x, y, w, h, ri->ri_devcmap[bg & 0xf]);
}
}
static void
radeonfb_cursor(void *cookie, int on, int row, int col)
{
struct rasops_info *ri = cookie;
struct vcons_screen *scr = ri->ri_hw;
struct radeonfb_display *dp = scr->scr_cookie;
int x, y, wi, he;
wi = ri->ri_font->fontwidth;
he = ri->ri_font->fontheight;
if (dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) {
x = ri->ri_ccol * wi + ri->ri_xorigin;
y = ri->ri_crow * he + ri->ri_yorigin;
/* first turn off the old cursor */
if (ri->ri_flg & RI_CURSOR) {
radeonfb_bitblt(dp, x, y, x, y, wi, he,
RADEON_ROP3_Dn, 0xffffffff);
ri->ri_flg &= ~RI_CURSOR;
}
ri->ri_crow = row;
ri->ri_ccol = col;
/* then (possibly) turn on the new one */
if (on) {
x = ri->ri_ccol * wi + ri->ri_xorigin;
y = ri->ri_crow * he + ri->ri_yorigin;
radeonfb_bitblt(dp, x, y, x, y, wi, he,
RADEON_ROP3_Dn, 0xffffffff);
ri->ri_flg |= RI_CURSOR;
}
} else {
scr->scr_ri.ri_crow = row;
scr->scr_ri.ri_ccol = col;
scr->scr_ri.ri_flg &= ~RI_CURSOR;
}
}
static int
radeonfb_allocattr(void *cookie, int fg, int bg, int flags, long *attrp)
{
if ((fg == 0) && (bg == 0)) {
fg = WS_DEFAULT_FG;
bg = WS_DEFAULT_BG;
}
*attrp = ((fg & 0xf) << 24) | ((bg & 0xf) << 16) | (flags & 0xff) << 8;
return 0;
}
/*
* Underlying acceleration support.
*/
static void
radeonfb_setup_mono(struct radeonfb_display *dp, int xd, int yd, int width,
int height, uint32_t fg, uint32_t bg)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t gmc;
uint32_t padded_width = (width+7) & 0xfff8;
uint32_t topleft, bottomright;
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
if (width != padded_width) {
radeonfb_wait_fifo(sc, 2);
topleft = ((yd << 16) & 0x1fff0000) | (xd & 0x1fff);
bottomright = (((yd + height) << 16) & 0x1fff0000) |
((xd + width) & 0x1fff);
PUT32(sc, RADEON_SC_TOP_LEFT, topleft);
PUT32(sc, RADEON_SC_BOTTOM_RIGHT, bottomright);
}
radeonfb_wait_fifo(sc, 5);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
RADEON_GMC_BRUSH_NONE |
RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
//RADEON_GMC_BYTE_LSB_TO_MSB |
RADEON_GMC_DST_CLIPPING |
RADEON_ROP3_S |
RADEON_DP_SRC_SOURCE_HOST_DATA |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_GMC_WR_MSK_DIS |
gmc);
PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (padded_width << 16) | height);
}
static void
radeonfb_feed_bytes(struct radeonfb_display *dp, int count, uint8_t *data)
{
struct radeonfb_softc *sc = dp->rd_softc;
int i;
uint32_t latch = 0;
int shift = 0;
for (i = 0; i < count; i++) {
latch |= (data[i] << shift);
if (shift == 24) {
radeonfb_wait_fifo(sc, 1);
PUT32(sc, RADEON_HOST_DATA0, latch);
latch = 0;
shift = 0;
} else
shift += 8;
}
if (shift != 0) {
radeonfb_wait_fifo(sc, 1);
PUT32(sc, RADEON_HOST_DATA0, latch);
}
radeonfb_unclip(sc);
}
static void
radeonfb_rectfill(struct radeonfb_display *dp, int dstx, int dsty,
int width, int height, uint32_t color)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t gmc;
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
radeonfb_wait_fifo(sc, 6);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
RADEON_GMC_BRUSH_SOLID_COLOR |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_ROP3_P | gmc);
PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, color);
PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
PUT32(sc, RADEON_DP_CNTL,
RADEON_DST_X_LEFT_TO_RIGHT |
RADEON_DST_Y_TOP_TO_BOTTOM);
PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
/*
* XXX: we don't wait for the fifo to empty -- that would slow
* things down! The linux radeonfb driver waits, but xfree doesn't
*/
/* XXX: for now we do, to make it safe for direct drawing */
radeonfb_engine_idle(sc);
}
static void
radeonfb_bitblt(struct radeonfb_display *dp, int srcx, int srcy,
int dstx, int dsty, int width, int height, int rop, uint32_t mask)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t gmc;
uint32_t dir;
if (dsty < srcy) {
dir = RADEON_DST_Y_TOP_TO_BOTTOM;
} else {
srcy += height - 1;
dsty += height - 1;
dir = 0;
}
if (dstx < srcx) {
dir |= RADEON_DST_X_LEFT_TO_RIGHT;
} else {
srcx += width - 1;
dstx += width - 1;
}
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
radeonfb_wait_fifo(sc, 6);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
//RADEON_GMC_SRC_CLIPPING |
RADEON_GMC_BRUSH_SOLID_COLOR |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_DP_SRC_SOURCE_MEMORY |
rop | gmc);
PUT32(sc, RADEON_DP_WRITE_MASK, mask);
PUT32(sc, RADEON_DP_CNTL, dir);
PUT32(sc, RADEON_SRC_Y_X, (srcy << 16) | srcx);
PUT32(sc, RADEON_DST_Y_X, (dsty << 16) | dstx);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (width << 16) | (height));
/*
* XXX: we don't wait for the fifo to empty -- that would slow
* things down! The linux radeonfb driver waits, but xfree doesn't
*/
/* XXX: for now we do, to make it safe for direct drawing */
radeonfb_engine_idle(sc);
}
static void
radeonfb_engine_idle(struct radeonfb_softc *sc)
{
int i;
radeonfb_wait_fifo(sc, 64);
for (i = RADEON_TIMEOUT; i; i--) {
if ((GET32(sc, RADEON_RBBM_STATUS) &
RADEON_RBBM_ACTIVE) == 0) {
radeonfb_engine_flush(sc);
break;
}
}
}
static void
radeonfb_wait_fifo(struct radeonfb_softc *sc, int n)
{
int i;
for (i = RADEON_TIMEOUT; i; i--) {
if ((GET32(sc, RADEON_RBBM_STATUS) &
RADEON_RBBM_FIFOCNT_MASK) >= n)
return;
}
#ifdef DIAGNOSTIC
if (!i)
printf("%s: timed out waiting for fifo (%x)\n",
XNAME(sc), GET32(sc, RADEON_RBBM_STATUS));
#endif
}
static void
radeonfb_engine_flush(struct radeonfb_softc *sc)
{
int i;
SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT, RADEON_RB2D_DC_FLUSH_ALL);
for (i = RADEON_TIMEOUT; i; i--) {
if ((GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
RADEON_RB2D_DC_BUSY) == 0)
break;
}
#ifdef DIAGNOSTIC
if (!i)
printf("%s: engine flush timed out!\n", XNAME(sc));
#endif
}
static inline void
radeonfb_unclip(struct radeonfb_softc *sc)
{
radeonfb_wait_fifo(sc, 2);
PUT32(sc, RADEON_SC_TOP_LEFT, 0);
PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
}
static void
radeonfb_engine_init(struct radeonfb_display *dp)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t pitch;
/* no 3D */
PUT32(sc, RADEON_RB3D_CNTL, 0);
radeonfb_engine_reset(sc);
pitch = ((dp->rd_virtx * (dp->rd_bpp / 8) + 0x3f)) >> 6;
//pitch = ((sc->sc_maxx * (sc->sc_maxbpp / 8) + 0x3f)) >> 6;
radeonfb_wait_fifo(sc, 1);
if (!IS_R300(sc))
PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
radeonfb_wait_fifo(sc, 3);
PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET,
(pitch << 22) | (sc->sc_aperbase >> 10));
PUT32(sc, RADEON_DST_PITCH_OFFSET,
(pitch << 22) | (sc->sc_aperbase >> 10));
PUT32(sc, RADEON_SRC_PITCH_OFFSET,
(pitch << 22) | (sc->sc_aperbase >> 10));
radeonfb_wait_fifo(sc, 1);
#if _BYTE_ORDER == _BIG_ENDIAN
SET32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
#else
CLR32(sc, RADEON_DP_DATATYPE, RADEON_HOST_BIG_ENDIAN_EN);
#endif
/* default scissors -- no clipping */
radeonfb_wait_fifo(sc, 1);
PUT32(sc, RADEON_DEFAULT_SC_BOTTOM_RIGHT,
RADEON_DEFAULT_SC_RIGHT_MAX | RADEON_DEFAULT_SC_BOTTOM_MAX);
radeonfb_wait_fifo(sc, 1);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
(dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT) |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_GMC_BRUSH_SOLID_COLOR |
RADEON_GMC_SRC_DATATYPE_COLOR);
radeonfb_wait_fifo(sc, 7);
PUT32(sc, RADEON_DST_LINE_START, 0);
PUT32(sc, RADEON_DST_LINE_END, 0);
PUT32(sc, RADEON_DP_BRUSH_FRGD_CLR, 0xffffffff);
PUT32(sc, RADEON_DP_BRUSH_BKGD_CLR, 0);
PUT32(sc, RADEON_DP_SRC_FRGD_CLR, 0xffffffff);
PUT32(sc, RADEON_DP_SRC_BKGD_CLR, 0);
PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
radeonfb_engine_idle(sc);
}
static void
radeonfb_engine_reset(struct radeonfb_softc *sc)
{
uint32_t hpc, rbbm, mclkcntl, clkindex;
radeonfb_engine_flush(sc);
clkindex = GET32(sc, RADEON_CLOCK_CNTL_INDEX);
if (HAS_R300CG(sc))
radeonfb_r300cg_workaround(sc);
mclkcntl = GETPLL(sc, RADEON_MCLK_CNTL);
/*
* According to comments in XFree code, resetting the HDP via
* the RBBM_SOFT_RESET can cause bad behavior on some systems.
* So we use HOST_PATH_CNTL instead.
*/
hpc = GET32(sc, RADEON_HOST_PATH_CNTL);
rbbm = GET32(sc, RADEON_RBBM_SOFT_RESET);
if (IS_R300(sc)) {
PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
RADEON_SOFT_RESET_CP |
RADEON_SOFT_RESET_HI |
RADEON_SOFT_RESET_E2);
GET32(sc, RADEON_RBBM_SOFT_RESET);
PUT32(sc, RADEON_RBBM_SOFT_RESET, 0);
/*
* XXX: this bit is not defined in any ATI docs I have,
* nor in the XFree code, but XFree does it. Why?
*/
SET32(sc, RADEON_RB2D_DSTCACHE_MODE, (1<<17));
} else {
PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm |
RADEON_SOFT_RESET_CP |
RADEON_SOFT_RESET_SE |
RADEON_SOFT_RESET_RE |
RADEON_SOFT_RESET_PP |
RADEON_SOFT_RESET_E2 |
RADEON_SOFT_RESET_RB);
GET32(sc, RADEON_RBBM_SOFT_RESET);
PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm &
~(RADEON_SOFT_RESET_CP |
RADEON_SOFT_RESET_SE |
RADEON_SOFT_RESET_RE |
RADEON_SOFT_RESET_PP |
RADEON_SOFT_RESET_E2 |
RADEON_SOFT_RESET_RB));
GET32(sc, RADEON_RBBM_SOFT_RESET);
}
PUT32(sc, RADEON_HOST_PATH_CNTL, hpc | RADEON_HDP_SOFT_RESET);
GET32(sc, RADEON_HOST_PATH_CNTL);
PUT32(sc, RADEON_HOST_PATH_CNTL, hpc);
if (IS_R300(sc))
PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
PUTPLL(sc, RADEON_MCLK_CNTL, mclkcntl);
if (HAS_R300CG(sc))
radeonfb_r300cg_workaround(sc);
}
static int
radeonfb_set_curpos(struct radeonfb_display *dp, struct wsdisplay_curpos *pos)
{
int x, y;
x = pos->x;
y = pos->y;
/*
* This doesn't let a cursor move off the screen. I'm not
* sure if this will have negative effects for e.g. Xinerama.
* I'd guess Xinerama handles it by changing the cursor shape,
* but that needs verification.
*/
if (x >= dp->rd_virtx)
x = dp->rd_virtx - 1;
if (x < 0)
x = 0;
if (y >= dp->rd_virty)
y = dp->rd_virty - 1;
if (y < 0)
y = 0;
dp->rd_cursor.rc_pos.x = x;
dp->rd_cursor.rc_pos.y = y;
radeonfb_cursor_position(dp);
return 0;
}
static int
radeonfb_set_cursor(struct radeonfb_display *dp, struct wsdisplay_cursor *wc)
{
unsigned flags;
uint8_t r[2], g[2], b[2];
unsigned index, count;
int i, err;
int pitch, size;
struct radeonfb_cursor nc;
flags = wc->which;
/* copy old values */
nc = dp->rd_cursor;
if (flags & WSDISPLAY_CURSOR_DOCMAP) {
index = wc->cmap.index;
count = wc->cmap.count;
if (index >= 2 || (index + count) > 2)
return EINVAL;
err = copyin(wc->cmap.red, &r[index], count);
if (err)
return err;
err = copyin(wc->cmap.green, &g[index], count);
if (err)
return err;
err = copyin(wc->cmap.blue, &b[index], count);
if (err)
return err;
for (i = index; i < index + count; i++) {
nc.rc_cmap[i] =
(r[i] << 16) + (g[i] << 8) + (b[i] << 0);
}
}
if (flags & WSDISPLAY_CURSOR_DOSHAPE) {
if ((wc->size.x > RADEON_CURSORMAXX) ||
(wc->size.y > RADEON_CURSORMAXY))
return EINVAL;
/* figure bytes per line */
pitch = (wc->size.x + 7) / 8;
size = pitch * wc->size.y;
/* clear the old cursor and mask */
memset(nc.rc_image, 0, 512);
memset(nc.rc_mask, 0, 512);
nc.rc_size = wc->size;
if ((err = copyin(wc->image, nc.rc_image, size)) != 0)
return err;
if ((err = copyin(wc->mask, nc.rc_mask, size)) != 0)
return err;
}
if (flags & WSDISPLAY_CURSOR_DOHOT) {
nc.rc_hot = wc->hot;
if (nc.rc_hot.x >= nc.rc_size.x)
nc.rc_hot.x = nc.rc_size.x - 1;
if (nc.rc_hot.y >= nc.rc_size.y)
nc.rc_hot.y = nc.rc_size.y - 1;
}
if (flags & WSDISPLAY_CURSOR_DOPOS) {
nc.rc_pos = wc->pos;
if (nc.rc_pos.x >= dp->rd_virtx)
nc.rc_pos.x = dp->rd_virtx - 1;
#if 0
if (nc.rc_pos.x < 0)
nc.rc_pos.x = 0;
#endif
if (nc.rc_pos.y >= dp->rd_virty)
nc.rc_pos.y = dp->rd_virty - 1;
#if 0
if (nc.rc_pos.y < 0)
nc.rc_pos.y = 0;
#endif
}
if (flags & WSDISPLAY_CURSOR_DOCUR) {
nc.rc_visible = wc->enable;
}
dp->rd_cursor = nc;
radeonfb_cursor_update(dp, wc->which);
return 0;
}
/*
* Change the cursor shape. Call this with the cursor locked to avoid
* flickering/tearing.
*/
static void
radeonfb_cursor_shape(struct radeonfb_display *dp)
{
uint8_t and[512], xor[512];
int i, j, src, dst, pitch;
const uint8_t *msk = dp->rd_cursor.rc_mask;
const uint8_t *img = dp->rd_cursor.rc_image;
/*
* Radeon cursor data interleaves one line of AND data followed
* by a line of XOR data. (Each line corresponds to a whole hardware
* pitch - i.e. 64 pixels or 8 bytes.)
*
* The cursor is displayed using the following table:
*
* AND XOR Result
* ----------------------
* 0 0 Cursor color 0
* 0 1 Cursor color 1
* 1 0 Transparent
* 1 1 Complement of background
*
* Our masks are therefore different from what we were passed.
* Passed in, I'm assuming the data represents either color 0 or 1,
* and a mask, so the passed in table looks like:
*
* IMG Mask Result
* -----------------------
* 0 0 Transparent
* 0 1 Cursor color 0
* 1 0 Transparent
* 1 1 Cursor color 1
*
* IF mask bit == 1, AND = 0, XOR = color.
* IF mask bit == 0, AND = 1, XOR = 0.
*
* hence: AND = ~(mask); XOR = color & ~(mask);
*/
pitch = ((dp->rd_cursor.rc_size.x + 7) / 8);
/* start by assuming all bits are transparent */
memset(and, 0xff, 512);
memset(xor, 0x00, 512);
src = 0;
dst = 0;
for (i = 0; i < 64; i++) {
for (j = 0; j < 64; j += 8) {
if ((i < dp->rd_cursor.rc_size.y) &&
(j < dp->rd_cursor.rc_size.x)) {
/* take care to leave odd bits alone */
and[dst] &= ~(msk[src]);
xor[dst] = img[src] & msk[src];
src++;
}
dst++;
}
}
/* copy the image into place */
for (i = 0; i < 64; i++) {
memcpy((uint8_t *)dp->rd_curptr + (i * 16),
&and[i * 8], 8);
memcpy((uint8_t *)dp->rd_curptr + (i * 16) + 8,
&xor[i * 8], 8);
}
}
static void
radeonfb_cursor_position(struct radeonfb_display *dp)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t offset, hvoff, hvpos; /* registers */
uint32_t coff; /* cursor offset */
int i, x, y, xoff, yoff, crtcoff;
/*
* XXX: this also needs to handle pan/scan
*/
for (i = 0; i < dp->rd_ncrtcs; i++) {
struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
if (rcp->rc_number) {
offset = RADEON_CUR2_OFFSET;
hvoff = RADEON_CUR2_HORZ_VERT_OFF;
hvpos = RADEON_CUR2_HORZ_VERT_POSN;
crtcoff = RADEON_CRTC2_OFFSET;
} else {
offset = RADEON_CUR_OFFSET;
hvoff = RADEON_CUR_HORZ_VERT_OFF;
hvpos = RADEON_CUR_HORZ_VERT_POSN;
crtcoff = RADEON_CRTC_OFFSET;
}
x = dp->rd_cursor.rc_pos.x;
y = dp->rd_cursor.rc_pos.y;
while (y < rcp->rc_yoffset) {
rcp->rc_yoffset -= RADEON_PANINCREMENT;
}
while (y >= (rcp->rc_yoffset + rcp->rc_videomode.vdisplay)) {
rcp->rc_yoffset += RADEON_PANINCREMENT;
}
while (x < rcp->rc_xoffset) {
rcp->rc_xoffset -= RADEON_PANINCREMENT;
}
while (x >= (rcp->rc_xoffset + rcp->rc_videomode.hdisplay)) {
rcp->rc_xoffset += RADEON_PANINCREMENT;
}
/* adjust for the cursor's hotspot */
x -= dp->rd_cursor.rc_hot.x;
y -= dp->rd_cursor.rc_hot.y;
xoff = yoff = 0;
if (x >= dp->rd_virtx)
x = dp->rd_virtx - 1;
if (y >= dp->rd_virty)
y = dp->rd_virty - 1;
/* now adjust cursor so it is relative to viewport */
x -= rcp->rc_xoffset;
y -= rcp->rc_yoffset;
/*
* no need to check for fall off, because we should
* never move off the screen entirely!
*/
coff = 0;
if (x < 0) {
xoff = -x;
x = 0;
}
if (y < 0) {
yoff = -y;
y = 0;
coff = (yoff * 2) * 8;
}
/* pan the display */
PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
rcp->rc_xoffset);
PUT32(sc, offset, (dp->rd_curoff + coff) | RADEON_CUR_LOCK);
PUT32(sc, hvoff, (xoff << 16) | (yoff) | RADEON_CUR_LOCK);
/* NB: this unlocks the cursor */
PUT32(sc, hvpos, (x << 16) | y);
}
}
static void
radeonfb_cursor_visible(struct radeonfb_display *dp)
{
int i;
uint32_t gencntl, bit;
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (dp->rd_crtcs[i].rc_number) {
gencntl = RADEON_CRTC2_GEN_CNTL;
bit = RADEON_CRTC2_CUR_EN;
} else {
gencntl = RADEON_CRTC_GEN_CNTL;
bit = RADEON_CRTC_CUR_EN;
}
if (dp->rd_cursor.rc_visible)
SET32(dp->rd_softc, gencntl, bit);
else
CLR32(dp->rd_softc, gencntl, bit);
}
}
static void
radeonfb_cursor_cmap(struct radeonfb_display *dp)
{
int i;
uint32_t c0reg, c1reg;
struct radeonfb_softc *sc = dp->rd_softc;
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (dp->rd_crtcs[i].rc_number) {
c0reg = RADEON_CUR2_CLR0;
c1reg = RADEON_CUR2_CLR1;
} else {
c0reg = RADEON_CUR_CLR0;
c1reg = RADEON_CUR_CLR1;
}
PUT32(sc, c0reg, dp->rd_cursor.rc_cmap[0]);
PUT32(sc, c1reg, dp->rd_cursor.rc_cmap[1]);
}
}
static void
radeonfb_cursor_update(struct radeonfb_display *dp, unsigned which)
{
struct radeonfb_softc *sc;
int i;
sc = dp->rd_softc;
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (dp->rd_crtcs[i].rc_number) {
SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
} else {
SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
}
}
if (which & WSDISPLAY_CURSOR_DOCMAP)
radeonfb_cursor_cmap(dp);
if (which & WSDISPLAY_CURSOR_DOSHAPE)
radeonfb_cursor_shape(dp);
if (which & WSDISPLAY_CURSOR_DOCUR)
radeonfb_cursor_visible(dp);
/* this one is unconditional, because it updates other stuff */
radeonfb_cursor_position(dp);
}
static struct videomode *
radeonfb_best_refresh(struct videomode *m1, struct videomode *m2)
{
int r1, r2;
/* otherwise pick the higher refresh rate */
r1 = DIVIDE(DIVIDE(m1->dot_clock, m1->htotal), m1->vtotal);
r2 = DIVIDE(DIVIDE(m2->dot_clock, m2->htotal), m2->vtotal);
return (r1 < r2 ? m2 : m1);
}
static const struct videomode *
radeonfb_port_mode(struct radeonfb_softc *sc, struct radeonfb_port *rp,
int x, int y)
{
struct edid_info *ep = &rp->rp_edid;
struct videomode *vmp = NULL;
int i;
if (!rp->rp_edid_valid) {
/* fallback to safe mode */
return radeonfb_modelookup(sc->sc_defaultmode);
}
/* always choose the preferred mode first! */
if (ep->edid_preferred_mode) {
/* XXX: add auto-stretching support for native mode */
/* this may want panning to occur, btw */
if ((ep->edid_preferred_mode->hdisplay <= x) &&
(ep->edid_preferred_mode->vdisplay <= y))
return ep->edid_preferred_mode;
}
for (i = 0; i < ep->edid_nmodes; i++) {
/*
* We elect to pick a resolution that is too large for
* the monitor than one that is too small. This means
* that we will prefer to pan rather than to try to
* center a smaller display on a larger screen. In
* practice, this shouldn't matter because if a
* monitor can support a larger resolution, it can
* probably also support the smaller. A specific
* exception is fixed format panels, but hopefully
* they are properly dealt with by the "autostretch"
* logic above.
*/
if ((ep->edid_modes[i].hdisplay > x) ||
(ep->edid_modes[i].vdisplay > y)) {
continue;
}
/*
* at this point, the display mode is no larger than
* what we've requested.
*/
if (vmp == NULL)
vmp = &ep->edid_modes[i];
/* eliminate smaller modes */
if ((vmp->hdisplay >= ep->edid_modes[i].hdisplay) ||
(vmp->vdisplay >= ep->edid_modes[i].vdisplay))
continue;
if ((vmp->hdisplay < ep->edid_modes[i].hdisplay) ||
(vmp->vdisplay < ep->edid_modes[i].vdisplay)) {
vmp = &ep->edid_modes[i];
continue;
}
KASSERT(vmp->hdisplay == ep->edid_modes[i].hdisplay);
KASSERT(vmp->vdisplay == ep->edid_modes[i].vdisplay);
vmp = radeonfb_best_refresh(vmp, &ep->edid_modes[i]);
}
return (vmp ? vmp : radeonfb_modelookup(sc->sc_defaultmode));
}
static int
radeonfb_hasres(struct videomode *list, int nlist, int x, int y)
{
int i;
for (i = 0; i < nlist; i++) {
if ((x == list[i].hdisplay) &&
(y == list[i].vdisplay)) {
return 1;
}
}
return 0;
}
static void
radeonfb_pickres(struct radeonfb_display *dp, uint16_t *x, uint16_t *y,
int pan)
{
struct radeonfb_port *rp;
struct edid_info *ep;
int i, j;
*x = 0;
*y = 0;
if (pan) {
for (i = 0; i < dp->rd_ncrtcs; i++) {
rp = dp->rd_crtcs[i].rc_port;
ep = &rp->rp_edid;
if (!rp->rp_edid_valid) {
/* monitor not present */
continue;
}
/*
* For now we are ignoring "conflict" that
* could occur when mixing some modes like
* 1280x1024 and 1400x800. It isn't clear
* which is better, so the first one wins.
*/
for (j = 0; j < ep->edid_nmodes; j++) {
/*
* ignore resolutions that are too big for
* the radeon
*/
if (ep->edid_modes[j].hdisplay >
dp->rd_softc->sc_maxx)
continue;
if (ep->edid_modes[j].vdisplay >
dp->rd_softc->sc_maxy)
continue;
/*
* pick largest resolution, the
* smaller monitor will pan
*/
if ((ep->edid_modes[j].hdisplay >= *x) &&
(ep->edid_modes[j].vdisplay >= *y)) {
*x = ep->edid_modes[j].hdisplay;
*y = ep->edid_modes[j].vdisplay;
}
}
}
} else {
struct videomode modes[64];
int nmodes = 0;
int valid = 0;
for (i = 0; i < dp->rd_ncrtcs; i++) {
/*
* pick the largest resolution in common.
*/
rp = dp->rd_crtcs[i].rc_port;
ep = &rp->rp_edid;
if (!rp->rp_edid_valid)
continue;
if (!valid) {
/* initialize starting list */
for (j = 0; j < ep->edid_nmodes; j++) {
/*
* ignore resolutions that are
* too big for the radeon
*/
if (ep->edid_modes[j].hdisplay >
dp->rd_softc->sc_maxx)
continue;
if (ep->edid_modes[j].vdisplay >
dp->rd_softc->sc_maxy)
continue;
modes[nmodes] = ep->edid_modes[j];
nmodes++;
}
valid = 1;
} else {
/* merge into preexisting list */
for (j = 0; j < nmodes; j++) {
if (!radeonfb_hasres(ep->edid_modes,
ep->edid_nmodes,
modes[j].hdisplay,
modes[j].vdisplay)) {
modes[j] = modes[nmodes];
j--;
nmodes--;
}
}
}
}
/* now we have to pick from the merged list */
for (i = 0; i < nmodes; i++) {
if ((modes[i].hdisplay >= *x) &&
(modes[i].vdisplay >= *y)) {
*x = modes[i].hdisplay;
*y = modes[i].vdisplay;
}
}
}
if ((*x == 0) || (*y == 0)) {
/* fallback to safe mode */
*x = 640;
*y = 480;
}
}
/*
* backlight levels are linear on:
* - RV200, RV250, RV280, RV350
* - but NOT on PowerBook4,3 6,3 6,5
* according to Linux' radeonfb
*/
/* Get the current backlight level for the display. */
static int
radeonfb_get_backlight(struct radeonfb_display *dp)
{
int s;
uint32_t level;
s = spltty();
level = radeonfb_get32(dp->rd_softc, RADEON_LVDS_GEN_CNTL);
level &= RADEON_LVDS_BL_MOD_LEV_MASK;
level >>= RADEON_LVDS_BL_MOD_LEV_SHIFT;
/*
* On some chips, we should negate the backlight level.
* XXX Find out on which chips.
*/
if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT)
level = RADEONFB_BACKLIGHT_MAX - level;
splx(s);
return level;
}
/* Set the backlight to the given level for the display. */
static int
radeonfb_set_backlight(struct radeonfb_display *dp, int level)
{
struct radeonfb_softc *sc;
int rlevel, s;
uint32_t lvds;
s = spltty();
if (level < 0)
level = 0;
else if (level >= RADEONFB_BACKLIGHT_MAX)
level = RADEONFB_BACKLIGHT_MAX;
sc = dp->rd_softc;
/* On some chips, we should negate the backlight level. */
if (dp->rd_softc->sc_flags & RFB_INV_BLIGHT) {
rlevel = RADEONFB_BACKLIGHT_MAX - level;
} else
rlevel = level;
callout_stop(&dp->rd_bl_lvds_co);
radeonfb_engine_idle(sc);
/*
* Turn off the display if the backlight is set to 0, since the
* display is useless without backlight anyway.
*/
if (level == 0)
radeonfb_blank(dp, 1);
else if (radeonfb_get_backlight(dp) == 0)
radeonfb_blank(dp, 0);
lvds = radeonfb_get32(sc, RADEON_LVDS_GEN_CNTL);
lvds &= ~RADEON_LVDS_DISPLAY_DIS;
if (!(lvds & RADEON_LVDS_BLON) || !(lvds & RADEON_LVDS_ON)) {
lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_DIGON;
lvds |= RADEON_LVDS_BLON | RADEON_LVDS_EN;
radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
lvds |= RADEON_LVDS_ON;
lvds |= dp->rd_bl_lvds_val & RADEON_LVDS_BL_MOD_EN;
} else {
lvds &= ~RADEON_LVDS_BL_MOD_LEV_MASK;
lvds |= rlevel << RADEON_LVDS_BL_MOD_LEV_SHIFT;
radeonfb_put32(sc, RADEON_LVDS_GEN_CNTL, lvds);
}
dp->rd_bl_lvds_val &= ~RADEON_LVDS_STATE_MASK;
dp->rd_bl_lvds_val |= lvds & RADEON_LVDS_STATE_MASK;
/* XXX What is the correct delay? */
callout_schedule(&dp->rd_bl_lvds_co, 200 * hz);
splx(s);
return 0;
}
/*
* Callout function for delayed operations on the LVDS_GEN_CNTL register.
* Set the delayed bits in the register, and clear the stored delayed
* value.
*/
static void radeonfb_lvds_callout(void *arg)
{
struct radeonfb_display *dp = arg;
int s;
s = splhigh();
radeonfb_mask32(dp->rd_softc, RADEON_LVDS_GEN_CNTL, ~0,
dp->rd_bl_lvds_val);
dp->rd_bl_lvds_val = 0;
splx(s);
}
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