/* $NetBSD: radeonfb.c,v 1.117 2021/08/08 12:17:37 tnn 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 1.117 2021/08/08 12:17:37 tnn Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/lwp.h>
#include <sys/kauth.h>
#include <sys/kmem.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/wsdisplay_pci.h>
#include <dev/wscons/wsdisplay_glyphcachevar.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pciio.h>
#include <dev/pci/radeonfbreg.h>
#include <dev/pci/radeonfbvar.h>
#include "opt_radeonfb.h"
#include "opt_vcons.h"
#ifdef RADEONFB_DEPTH_32
#define RADEONFB_DEFAULT_DEPTH 32
#else
#define RADEONFB_DEFAULT_DEPTH 8
#endif
static int radeonfb_match(device_t, cfdata_t, void *);
static void radeonfb_attach(device_t, device_t, 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 *,
const 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 *, int);
/* flags for radeonfb_calc_dividers */
#define NO_ODD_FBDIV 1
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, 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_display *);
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 *);
static void radeonfb_putpal(struct radeonfb_display *, int, int, int, int);
static int radeonfb_putcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
static int radeonfb_getcmap(struct radeonfb_display *, struct wsdisplay_cmap *);
/* acceleration support */
static void radeonfb_rectfill(struct radeonfb_display *, int dstx, int dsty,
int width, int height, uint32_t color);
static void radeonfb_rectfill_a(void *, int, int, int, int, long);
static void radeonfb_bitblt(void *, int srcx, int srcy,
int dstx, int dsty, int width, int height, int rop);
/* 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 inline 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 *) __unused;
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 void radeonfb_putchar_aa32(void *, int, int, unsigned, long);
static void radeonfb_putchar_aa8(void *, int, int, unsigned, long);
#ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
static void radeonfb_putchar_wrapper(void *, int, int, unsigned, long);
#endif
static int radeonfb_set_backlight(struct radeonfb_display *, int);
static int radeonfb_get_backlight(struct radeonfb_display *);
static void radeonfb_switch_backlight(struct radeonfb_display *, int);
static void radeonfb_lvds_callout(void *);
static void radeonfb_brightness_up(device_t);
static void radeonfb_brightness_down(device_t);
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 RADEONFB_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
extern const u_char rasops_cmap[768];
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 | WSSCREEN_UNDERLINE | WSSCREEN_RESIZE, /* 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_5B63, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV370_5B64, RADEON_RV380, 0 },
{ PCI_PRODUCT_ATI_RADEON_RV370_5B65, RADEON_RV380, 0 },
#if notyet
/* 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 },
{ PCI_PRODUCT_ATI_RADEON_R430_554F, RADEON_R420, 0 },
#endif
/* R5xx family */
{ 0x7240, RADEON_R580, RFB_IS_AVIVO },
{ 0, 0, 0 }
};
static struct {
int divider;
int mask;
} radeonfb_dividers[] = {
{ 16, 5 },
{ 12, 7 },
{ 8, 3 },
{ 6, 6 },
{ 4, 2 },
{ 3, 4 },
{ 2, 1 },
{ 1, 0 },
{ 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}, {-1, 0x40111}}},
{ RADEON_R300, {{-1, 0xb01cb}}},
{ RADEON_R350, {{-1, 0xb01cb}}},
{ RADEON_RV350, {{15000, 0xb0155}, {-1, 0xb01cb}}},
{ RADEON_RV380, {{15000, 0xb0155}, {-1, 0xb01cb}}},
{ RADEON_R420, {{-1, 0xb01cb}}},
{ RADEON_R580, {{-1, 0xb01cb}}}, /* XXX likely bogus */
};
#define RADEONFB_BACKLIGHT_MAX 255 /* Maximum backlight level. */
CFATTACH_DECL_NEW(radeonfb, sizeof (struct radeonfb_softc),
radeonfb_match, radeonfb_attach, NULL, NULL);
static int
radeonfb_match(device_t parent, cfdata_t match, void *aux)
{
const 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(device_t parent, device_t dev, void *aux)
{
struct radeonfb_softc *sc = device_private(dev);
const struct pci_attach_args *pa = aux;
const char *mptr;
bus_size_t bsz;
pcireg_t screg;
int i, j, fg, bg, ul, flags;
uint32_t v;
sc->sc_dev = dev;
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_aprint_devinfo(pa, NULL);
DPRINTF(("%s", 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;
sc->sc_bios = NULL;
sc->sc_biossz = 0;
/* enable memory and IO access */
screg = pci_conf_read(sc->sc_pc, sc->sc_pt, PCI_COMMAND_STATUS_REG);
screg |= PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE;
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:
case RADEON_R580:
/* 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;
}
if (pci_mapreg_info(sc->sc_pc, sc->sc_pt, PCI_MAPREG_ROM,
PCI_MAPREG_TYPE_ROM, &sc->sc_romaddr, &sc->sc_romsz, &flags) != 0)
{
aprint_error("%s: unable to find ROM!\n", XNAME(sc));
goto error;
}
sc->sc_romt = sc->sc_memt;
sc->sc_mapped = TRUE;
/* 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_CRTC_EXT_CNTL);
PRINTREG(RADEON_CRTC_GEN_CNTL);
PRINTREG(RADEON_CRTC2_GEN_CNTL);
PRINTREG(RADEON_DISP_OUTPUT_CNTL);
PRINTREG(RADEON_DAC_CNTL2);
PRINTREG(RADEON_BIOS_4_SCRATCH);
PRINTREG(RADEON_FP_GEN_CNTL);
sc->sc_fp_gen_cntl = GET32(sc, 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_DISP_HW_DEBUG);
if (!IS_AVIVO(sc)) {
/*
XXX: We can't print this, as it's not correctly aligned
PRINTREG(RADEON_PIXCLKS_CNTL);
*/
PRINTREG(RADEON_CRTC_H_SYNC_STRT_WID);
PRINTREG(RADEON_FP_H_SYNC_STRT_WID);
PRINTREG(RADEON_CRTC2_H_SYNC_STRT_WID);
PRINTREG(RADEON_FP_H2_SYNC_STRT_WID);
}
/*
* XXX
* This was if (IS_RV100()), which is set for all pre-R3xx chips.
* I suspect this only makes sense on Sun XVR-100 with firmware that doesn't
* support DVI, so for now let's restrict it to only actual RV100
*/
if (sc->sc_family == RADEON_RV100)
PUT32(sc, RADEON_TMDS_PLL_CNTL, 0xa27);
/* XXX
* according to xf86-video-radeon R3xx has this bit backwards
*/
if (IS_R300(sc)) {
PATCH32(sc, RADEON_TMDS_TRANSMITTER_CNTL,
0,
~(RADEON_TMDS_TRANSMITTER_PLLEN | RADEON_TMDS_TRANSMITTER_PLLRST));
} else {
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 RADEONFB_BIOS_INIT
if (radeonfb_bios_init(sc)) {
aprint_error("%s: BIOS inititialization failed\n", XNAME(sc));
}
#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);
/* 64 MB should be enough -- more just wastes map entries */
if (sc->sc_memsz > (64 << 20))
sc->sc_memsz = (64 << 20);
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);
/* 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);
/* we're using CRTC2 for the 2nd port */
if (sc->sc_ports[i].rp_number == 1) {
PATCH32(sc, RADEON_DISP_OUTPUT_CNTL,
RADEON_DISP_DAC2_SOURCE_CRTC2,
~RADEON_DISP_DAC2_SOURCE_MASK);
}
break;
}
DPRINTF(("%s: port %d tmds type %d\n", __func__, i,
sc->sc_ports[i].rp_tmds_type));
switch (sc->sc_ports[i].rp_tmds_type) {
case RADEON_TMDS_INT:
/* point FP0 at the CRTC this port uses */
DPRINTF(("%s: plugging internal TMDS into CRTC %d\n",
__func__, sc->sc_ports[i].rp_number));
if (IS_R300(sc)) {
PATCH32(sc, RADEON_FP_GEN_CNTL,
sc->sc_ports[i].rp_number ?
R200_FP_SOURCE_SEL_CRTC2 :
R200_FP_SOURCE_SEL_CRTC1,
~R200_FP_SOURCE_SEL_MASK);
} else {
PATCH32(sc, RADEON_FP_GEN_CNTL,
sc->sc_ports[i].rp_number ?
RADEON_FP_SEL_CRTC2 :
RADEON_FP_SEL_CRTC1,
~RADEON_FP_SEL_MASK);
}
break;
case RADEON_TMDS_EXT:
/* point FP2 at the CRTC this port uses */
DPRINTF(("%s: plugging external TMDS into CRTC %d\n",
__func__, sc->sc_ports[i].rp_number));
if (IS_R300(sc)) {
PATCH32(sc, RADEON_FP2_GEN_CNTL,
sc->sc_ports[i].rp_number ?
R200_FP2_SOURCE_SEL_CRTC2 :
R200_FP2_SOURCE_SEL_CRTC1,
~R200_FP2_SOURCE_SEL_CRTC2);
} else {
PATCH32(sc, RADEON_FP2_GEN_CNTL,
sc->sc_ports[i].rp_number ?
RADEON_FP2_SRC_SEL_CRTC2 :
RADEON_FP2_SRC_SEL_CRTC1,
~RADEON_FP2_SRC_SEL_CRTC2);
}
break;
}
}
PRINTREG(RADEON_DAC_CNTL2);
PRINTREG(RADEON_DISP_HW_DEBUG);
PRINTREG(RADEON_DAC_CNTL);
/* 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);
/*
* XXX
* no idea why this is necessary - if I do not clear this bit on my
* iBook G4 the screen remains black, even though it's already clear.
* It needs to be set on my Sun XVR-100 for the DVI port to work
* TODO:
* see if this is still necessary now that CRTCs, DACs and outputs are
* getting wired up in a halfway sane way
*/
if (sc->sc_fp_gen_cntl & RADEON_FP_SEL_CRTC2) {
SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_SEL_CRTC2);
} else {
CLR32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_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;
}
sc->sc_memt = pa->pa_memt;
if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
&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_string(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_port =
&sc->sc_ports[0];
dp->rd_crtcs[0].rc_number = sc->sc_ports[0].rp_number;
dp->rd_crtcs[1].rc_port =
&sc->sc_ports[1];
dp->rd_crtcs[1].rc_number = sc->sc_ports[1].rp_number;
} else {
dp->rd_ncrtcs = 1;
dp->rd_crtcs[0].rc_port =
&sc->sc_ports[i];
dp->rd_crtcs[0].rc_number = sc->sc_ports[i].rp_number;
}
dp->rd_softc = sc;
dp->rd_wsmode = WSDISPLAYIO_MODE_EMUL;
dp->rd_bpp = RADEONFB_DEFAULT_DEPTH; /* XXX */
/* 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);
aprint_normal_dev(sc->sc_dev, "using %d MB per display\n",
sc->sc_fboffset >> 20);
/* 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_fboffset - 16384; /* 16KB cursor space */
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;
}
DPRINTF(("init engine\n"));
/* XXX: this seems suspicious - per display engine
initialization? */
radeonfb_modeswitch(dp);
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 = (void *)&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 = 0;
prop_dictionary_get_bool(device_properties(sc->sc_dev),
"is_console", &dp->rd_console);
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);
dp->rd_bg = ri->ri_devcmap[bg & 0xf];
radeonfb_rectfill(dp, 0, 0, ri->ri_width, ri->ri_height,
dp->rd_bg);
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
dp->rd_gc.gc_bitblt = radeonfb_bitblt;
dp->rd_gc.gc_rectfill = radeonfb_rectfill_a;
dp->rd_gc.gc_rop = RADEON_ROP3_S;
dp->rd_gc.gc_blitcookie = dp;
/*
* use memory between framebuffer and cursor area as glyph
* cache, cap at 4096 lines
*/
glyphcache_init(&dp->rd_gc, dp->rd_virty + 4,
uimin(4096,
(dp->rd_curoff / dp->rd_stride) - (dp->rd_virty + 4)),
dp->rd_virtx,
ri->ri_font->fontwidth,
ri->ri_font->fontheight,
defattr);
dp->rd_vd.show_screen_cookie = &dp->rd_gc;
dp->rd_vd.show_screen_cb = glyphcache_adapt;
if (dp->rd_console) {
wsdisplay_cnattach(dp->rd_wsscreens, ri, 0, 0,
defattr);
#ifdef SPLASHSCREEN
if (splash_render(&dp->rd_splash,
SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
SCREEN_DISABLE_DRAWING(&dp->rd_vscreen);
else
#endif
vcons_replay_msgbuf(&dp->rd_vscreen);
} 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);
#ifdef SPLASHSCREEN
if (splash_render(&dp->rd_splash,
SPLASH_F_CENTER|SPLASH_F_FILL) == 0)
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,
CFARGS(.iattr = "wsemuldisplaydev"));
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);
dp->rd_bl_on = 1;
if (sc->sc_flags & RFB_MOB) {
dp->rd_bl_level = radeonfb_get_backlight(dp);
} else
dp->rd_bl_level = 128;
radeonfb_set_backlight(dp, dp->rd_bl_level);
}
for (i = 0; i < RADEON_NDISPLAYS; i++)
radeonfb_init_palette(&sc->sc_displays[i]);
if (HAS_CRTC2(sc) && !IS_AVIVO(sc)) {
CLR32(sc, RADEON_CRTC2_GEN_CNTL, RADEON_CRTC2_DISP_DIS);
}
if (!IS_AVIVO(sc)) {
CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
SET32(sc, RADEON_FP_GEN_CNTL, RADEON_FP_FPON);
}
pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_UP,
radeonfb_brightness_up, TRUE);
pmf_event_register(dev, PMFE_DISPLAY_BRIGHTNESS_DOWN,
radeonfb_brightness_down, TRUE);
/*
* if we attach a DRM we need to unmap registers in
* WSDISPLAYIO_MODE_MAPPED, since this keeps us from doing things like
* screen blanking we only do it if needed
*/
sc->sc_needs_unmap =
(config_found(dev, aux, radeonfb_drm_print,
CFARGS(.iattr = "drm")) != NULL);
DPRINTF(("needs_unmap: %d\n", sc->sc_needs_unmap));
if (!IS_AVIVO(sc)) {
PRINTREG(RADEON_CRTC_EXT_CNTL);
PRINTREG(RADEON_CRTC_GEN_CNTL);
PRINTREG(RADEON_CRTC2_GEN_CNTL);
PRINTREG(RADEON_DISP_OUTPUT_CNTL);
PRINTREG(RADEON_DAC_CNTL2);
PRINTREG(RADEON_FP_GEN_CNTL);
PRINTREG(RADEON_FP2_GEN_CNTL);
PRINTREG(RADEON_TMDS_CNTL);
PRINTREG(RADEON_TMDS_TRANSMITTER_CNTL);
PRINTREG(RADEON_TMDS_PLL_CNTL);
/*
XXX: We can't print this, as it's not correctly aligned
PRINTREG(RADEON_PIXCLKS_CNTL);
*/
}
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 void
radeonfb_map(struct radeonfb_softc *sc)
{
if (!sc->sc_mapped) {
if (bus_space_map(sc->sc_regt, sc->sc_regaddr, sc->sc_regsz, 0,
&sc->sc_regh) != 0) {
aprint_error_dev(sc->sc_dev,
"unable to map registers!\n");
return;
}
if (bus_space_map(sc->sc_memt, sc->sc_memaddr, sc->sc_memsz,
BUS_SPACE_MAP_LINEAR | BUS_SPACE_MAP_PREFETCHABLE,
&sc->sc_memh) != 0) {
sc->sc_memsz = 0;
aprint_error_dev(sc->sc_dev,
"Unable to map frame buffer\n");
return;
}
sc->sc_mapped = TRUE;
}
}
static void
radeonfb_unmap(struct radeonfb_softc *sc)
{
if (!sc->sc_needs_unmap)
return;
if (sc->sc_mapped) {
bus_space_unmap(sc->sc_regt, sc->sc_regh, sc->sc_regsz);
bus_space_unmap(sc->sc_memt, sc->sc_memh, sc->sc_memsz);
sc->sc_mapped = FALSE;
}
}
static int
radeonfb_drm_print(void *aux, const char *pnp)
{
if (pnp)
aprint_normal("drm at %s", pnp);
return (UNCONF);
}
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;
struct vcons_screen *ms;
vd = (struct vcons_data *)v;
ms = vd->active;
dp = (struct radeonfb_display *)vd->cookie;
sc = dp->rd_softc;
/* can't do these without registers being mapped */
if (!sc->sc_mapped) {
switch (cmd) {
case WSDISPLAYIO_GVIDEO:
case WSDISPLAYIO_SVIDEO:
case WSDISPLAYIO_GETCMAP:
case WSDISPLAYIO_PUTCMAP:
case WSDISPLAYIO_SCURSOR:
case WSDISPLAYIO_GCURPOS:
case WSDISPLAYIO_SCURPOS:
case WSDISPLAYIO_SETPARAM:
return EINVAL;
}
}
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:
if (dp->rd_wsmode != WSDISPLAYIO_MODE_MAPPED) {
radeonfb_blank(dp,
(*(unsigned int *)d == WSDISPLAYIO_VIDEO_OFF));
radeonfb_switch_backlight(dp,
(*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON));
}
pmf_event_inject(NULL,
(*(unsigned int *)d == WSDISPLAYIO_VIDEO_ON) ?
PMFE_DISPLAY_ON : PMFE_DISPLAY_OFF);
return 0;
case WSDISPLAYIO_GETCMAP:
if (dp->rd_bpp == 8)
return radeonfb_getcmap(dp,
(struct wsdisplay_cmap *)d);
return EINVAL;
case WSDISPLAYIO_PUTCMAP:
if (dp->rd_bpp == 8)
return radeonfb_putcmap(dp,
(struct wsdisplay_cmap *)d);
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_wsmode == WSDISPLAYIO_MODE_DUMBFB))
radeonfb_map(sc);
if ((dp->rd_wsmode == WSDISPLAYIO_MODE_EMUL) &&
(dp->rd_vd.active)) {
radeonfb_engine_init(dp);
glyphcache_wipe(&dp->rd_gc);
radeonfb_init_palette(dp);
radeonfb_modeswitch(dp);
radeonfb_rectfill(dp, 0, 0, dp->rd_virtx,
dp->rd_virty, dp->rd_bg);
vcons_redraw_screen(dp->rd_vd.active);
}
if (dp->rd_wsmode == WSDISPLAYIO_MODE_MAPPED)
radeonfb_unmap(sc);
}
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_GETPARAM:
param = (struct wsdisplay_param *)d;
switch (param->param) {
case WSDISPLAYIO_PARAM_BRIGHTNESS:
param->min = 0;
param->max = 255;
param->curval = dp->rd_bl_level;
return 0;
case WSDISPLAYIO_PARAM_BACKLIGHT:
param->min = 0;
param->max = RADEONFB_BACKLIGHT_MAX;
param->curval = dp->rd_bl_on;
return 0;
}
return EPASSTHROUGH;
case WSDISPLAYIO_SETPARAM:
param = (struct wsdisplay_param *)d;
switch (param->param) {
case WSDISPLAYIO_PARAM_BRIGHTNESS:
radeonfb_set_backlight(dp, param->curval);
return 0;
case WSDISPLAYIO_PARAM_BACKLIGHT:
radeonfb_switch_backlight(dp, param->curval);
return 0;
}
return EPASSTHROUGH;
/* PCI config read/write passthrough. */
case PCI_IOC_CFGREAD:
case PCI_IOC_CFGWRITE:
return pci_devioctl(sc->sc_pc, sc->sc_pt, cmd, d, flag, l);
case WSDISPLAYIO_GET_BUSID:
return wsdisplayio_busid_pci(sc->sc_dev, sc->sc_pc,
sc->sc_pt, d);
case WSDISPLAYIO_GET_EDID: {
struct wsdisplayio_edid_info *ei = d;
return wsdisplayio_get_edid(sc->sc_dev, ei);
}
case WSDISPLAYIO_GET_FBINFO: {
struct wsdisplayio_fbinfo *fbi = d;
return wsdisplayio_get_fbinfo(&ms->scr_ri, fbi);
}
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;
paddr_t pa;
vd = (struct vcons_data *)v;
dp = (struct radeonfb_display *)vd->cookie;
sc = dp->rd_softc;
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;
}
/*
* restrict all other mappings to processes with superuser privileges
* or the kernel itself
*/
if (kauth_authorize_machdep(kauth_cred_get(), KAUTH_MACHDEP_UNMANAGEDMEM,
NULL, NULL, NULL, NULL) != 0) {
aprint_error_dev(sc->sc_dev, "mmap() rejected.\n");
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);
}
if ((offset >= sc->sc_romaddr) &&
(offset < sc->sc_romaddr + sc->sc_romsz)) {
return bus_space_mmap(sc->sc_memt, offset, 0, prot,
BUS_SPACE_MAP_LINEAR);
}
#ifdef PCI_MAGIC_IO_RANGE
/* allow mapping of IO space */
if ((offset >= PCI_MAGIC_IO_RANGE) &&
(offset < PCI_MAGIC_IO_RANGE + 0x10000)) {
pa = bus_space_mmap(sc->sc_iot, offset - PCI_MAGIC_IO_RANGE,
0, prot, 0);
return pa;
}
#endif /* PCI_MAGIC_IO_RANGE */
return -1;
}
static void
radeonfb_loadbios(struct radeonfb_softc *sc, const struct pci_attach_args *pa)
{
bus_space_tag_t romt;
bus_space_handle_t romh, biosh;
bus_size_t romsz;
bus_addr_t ptr;
uint32_t busctl, crtcg, crtc2g = 0, viphctl, seprom, extc;
int bios_voodoo = 0;
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, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
&sc->sc_biossz);
if (sc->sc_biossz != 0) goto foundit;
aprint_verbose("trying to read disabled BIOS...\n");
bios_voodoo = 1;
seprom = radeonfb_get32(sc, RADEON_SEPROM_CNTL1);
radeonfb_put32(sc, RADEON_SEPROM_CNTL1,
(seprom & ~RADEON_SCK_PRESCALE_MASK) |
(0xc << RADEON_SCK_PRESCALE_SHIFT));
viphctl = radeonfb_get32(sc, RADEON_VIPH_CONTROL);
radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl & ~RADEON_VIPH_EN);
busctl = radeonfb_get32(sc, RADEON_BUS_CNTL);
radeonfb_put32(sc, RADEON_BUS_CNTL, busctl & ~RADEON_BUS_BIOS_DIS_ROM);
crtcg = radeonfb_get32(sc, RADEON_CRTC_GEN_CNTL);
radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, ((crtcg & ~RADEON_CRTC_EN) |
(RADEON_CRTC_DISP_REQ_EN_B |
RADEON_CRTC_EXT_DISP_EN)));
if (HAS_CRTC2(sc)) {
crtc2g = radeonfb_get32(sc, RADEON_CRTC2_GEN_CNTL);
radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL,
(crtc2g & ~RADEON_CRTC2_EN) |
RADEON_CRTC2_DISP_REQ_EN_B);
}
extc = radeonfb_get32(sc, RADEON_CRTC_EXT_CNTL);
radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, (extc & ~RADEON_CRTC_CRT_ON) |
(RADEON_CRTC_SYNC_TRISTAT |
RADEON_CRTC_DISPLAY_DIS));
pci_find_rom(pa, romt, romh, romsz, PCI_ROM_CODE_TYPE_X86, &biosh,
&sc->sc_biossz);
foundit:
if (sc->sc_biossz > 0) {
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);
}
if (bios_voodoo != 0) {
radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, extc);
if (HAS_CRTC2(sc)) {
radeonfb_put32(sc, RADEON_CRTC2_GEN_CNTL, crtc2g);
}
radeonfb_put32(sc, RADEON_CRTC_GEN_CNTL, crtcg);
radeonfb_put32(sc, RADEON_BUS_CNTL, busctl);
radeonfb_put32(sc, RADEON_VIPH_CONTROL, viphctl);
radeonfb_put32(sc, RADEON_SEPROM_CNTL1, seprom);
}
/* 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);
if (sc->sc_biossz > 0) {
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_put32s(struct radeonfb_softc *sc, uint32_t reg, uint32_t val)
{
bus_space_write_stream_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_unsigned_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;
PRINTPLL(RADEON_PPLL_REF_DIV);
PRINTPLL(RADEON_PPLL_DIV_0);
PRINTPLL(RADEON_PPLL_DIV_1);
PRINTPLL(RADEON_PPLL_DIV_2);
PRINTPLL(RADEON_PPLL_DIV_3);
PRINTREG(RADEON_CLOCK_CNTL_INDEX);
PRINTPLL(RADEON_P2PLL_REF_DIV);
PRINTPLL(RADEON_P2PLL_DIV_0);
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;
/* XXX
* Need to check if the firmware or something programmed a
* higher value than this, and if so, bump it.
* The RV280 in my iBook is unhappy if the PLL input is less
* than 360MHz
*/
maxpll = maxpll ? maxpll : 40000/*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 {
uint32_t tmp = GETPLL(sc, RADEON_PPLL_REF_DIV);
/* Legacy BIOS */
ptr = GETBIOS16(sc, 0x48);
ptr = GETBIOS16(sc, ptr + 0x30);
if (IS_R300(sc)) {
refdiv = refdiv ? refdiv :
(tmp & R300_PPLL_REF_DIV_ACC_MASK) >>
R300_PPLL_REF_DIV_ACC_SHIFT;
} else {
refdiv = refdiv ? refdiv :
tmp & RADEON_PPLL_REF_DIV_MASK;
}
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 flags)
{
int i;
uint32_t outfreq;
int div;
DPRINTF(("dot clock: %u\n", dotclock));
for (i = 0; (div = radeonfb_dividers[i].divider) != 0; i++) {
if ((flags & NO_ODD_FBDIV) && ((div & 1) != 0))
continue;
/*
* XXX
* the rv350 in my last generation 14" iBook G4 produces
* garbage with dividers > 4. No idea if this is a hardware
* limitation or an error in the divider table.
*/
if ((sc->sc_family == RADEON_RV350) && (div > 4))
continue;
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 RADEONFB_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 */
/*
* XXX
* both Mac Mini variants have both outputs wired to
* the same connector and share the DDC lines
*/
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 =
uimin(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;
sc->sc_ports[port].rp_number = i - 1;
found += (port + 1);
}
}
nobios:
if (!found) {
bool dvi_ext = FALSE, dvi_int = FALSE;
DPRINTF(("No connector info in BIOS!\n"));
prop_dictionary_get_bool(device_properties(sc->sc_dev),
"dvi-internal", &dvi_int);
prop_dictionary_get_bool(device_properties(sc->sc_dev),
"dvi-external", &dvi_ext);
if (dvi_ext) {
sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_EXT; /* output to fp2 */
sc->sc_ports[0].rp_number = 0;
sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
sc->sc_ports[1].rp_number = 1;
} else if (dvi_int) {
sc->sc_ports[0].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[0].rp_ddc_type = RADEON_DDC_CRT2;
sc->sc_ports[0].rp_dac_type = RADEON_DAC_PRIMARY;
sc->sc_ports[0].rp_conn_type = RADEON_CONN_DVI_I;
sc->sc_ports[0].rp_tmds_type = RADEON_TMDS_INT;
sc->sc_ports[0].rp_number = 0;
sc->sc_ports[1].rp_mon_type = RADEON_MT_UNKNOWN;
sc->sc_ports[1].rp_ddc_type = RADEON_DDC_NONE;
sc->sc_ports[1].rp_dac_type = RADEON_DAC_UNKNOWN;
sc->sc_ports[1].rp_conn_type = RADEON_CONN_NONE;
sc->sc_ports[1].rp_tmds_type = RADEON_TMDS_UNKNOWN;
sc->sc_ports[1].rp_number = 1;
} else if IS_MOBILITY(sc) {
/* 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[0].rp_number = 0;
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;
sc->sc_ports[1].rp_number = 1;
} else {
/* default, port 0 = DVI, 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[0].rp_number = 0;
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_UNKNOWN;
sc->sc_ports[1].rp_number = 1;
}
}
/*
* 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], edid_port_str[7] = "EDID:";
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));
DPRINTF((" crtc = %d\n", sc->sc_ports[i].rp_number));
sc->sc_ports[i].rp_edid_valid = 0;
/*
* First look for static EDID data
* Try "EDID:port" then "EDID"
*/
snprintf(&edid_port_str[5], 2, "%d", i);
edid_data = prop_dictionary_get(device_properties(
sc->sc_dev), edid_port_str);
if (edid_data == NULL)
edid_data = prop_dictionary_get(device_properties(
sc->sc_dev), "EDID");
if (edid_data != NULL) {
aprint_debug_dev(sc->sc_dev, "using static EDID\n");
memcpy(edid, prop_data_value(edid_data), 128);
if (edid_parse(edid, eip) == 0) {
sc->sc_ports[i].rp_edid_valid = 1;
#ifdef RADEONFB_DEBUG
edid_print(eip);
#endif
}
}
/* 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;
#ifdef RADEONFB_DEBUG
edid_print(eip);
#endif
}
}
}
}
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 = uimin(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;
/* Use a default mode in case we don't find a matching mode */
const char *vm = "1024x768x60";
const struct videomode *vmp = NULL;
for (i = 0; i < videomode_count; i++) {
if (!strcmp(name, videomode_list[i].name))
return &videomode_list[i];
if (!strcmp(vm, videomode_list[i].name))
vmp = &videomode_list[i];
}
return vmp;
}
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, int flags)
{
uint32_t pbit = 0;
uint32_t feed = 0;
uint32_t data, refdiv, div0, r2xxref;
radeonfb_calc_dividers(sc, dotclock, &pbit, &feed, flags);
if (crtc == 0) {
refdiv = GETPLL(sc, RADEON_PPLL_REF_DIV);
/*
* XXX
* the RV350 in my last generation iBook G4 behaves like an
* r2xx here - try to detect that and not screw up the reference
* divider.
* xf86-video-radeon just skips PLL programming altogether
* on iBooks, probably for this reason.
*/
r2xxref = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) | sc->sc_refdiv;
if (IS_R300(sc) && (r2xxref != refdiv)) {
refdiv = (refdiv & ~R300_PPLL_REF_DIV_ACC_MASK) |
(sc->sc_refdiv << R300_PPLL_REF_DIV_ACC_SHIFT);
} else {
refdiv = (refdiv & ~RADEON_PPLL_REF_DIV_MASK) |
sc->sc_refdiv;
}
DPRINTF(("refdiv %08x\n", refdiv));
div0 = GETPLL(sc, RADEON_PPLL_DIV_0);
DPRINTF(("div0 %08x\n", div0));
div0 &= ~(RADEON_PPLL_FB3_DIV_MASK |
RADEON_PPLL_POST3_DIV_MASK);
div0 |= pbit;
div0 |= (feed & RADEON_PPLL_FB3_DIV_MASK);
DPRINTF(("div0 %08x\n", div0));
if ((refdiv == GETPLL(sc, RADEON_PPLL_REF_DIV)) &&
(div0 == GETPLL(sc, RADEON_PPLL_DIV_0))) {
/*
* nothing to do here, the PLL is already where we
* want it
*/
PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
~RADEON_PLL_DIV_SEL);
aprint_debug_dev(sc->sc_dev, "no need to touch the PLL\n");
return;
}
/* alright, we do need to reprogram stuff */
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 0 */
PATCH32(sc, RADEON_CLOCK_CNTL_INDEX, 0,
~RADEON_PLL_DIV_SEL);
PUTPLL(sc, RADEON_PPLL_REF_DIV, refdiv);
/* xf86-video-radeon does this, not sure why */
PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
PUTPLL(sc, RADEON_PPLL_DIV_0, div0);
/* 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);
PRINTPLL(RADEON_PPLL_REF_DIV);
PRINTPLL(RADEON_PPLL_DIV_3);
/* 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);
/* 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);
PUTPLL(sc, RADEON_P2PLL_DIV_0, data);
PRINTPLL(RADEON_P2PLL_REF_DIV);
PRINTPLL(RADEON_P2PLL_DIV_0);
/* 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;
if (IS_AVIVO(sc)) {
/*
* no actual mode setting yet, we just make sure the CRTCs
* point at the right memory ranges and use the same pitch
* for the drawing engine
*/
if (GET32(sc, AVIVO_D1CRTC_CONTROL) & AVIVO_CRTC_EN) {
CLR32(sc, AVIVO_D1GRPH_CONTROL, AVIVO_D1GRPH_MACRO_ADDRESS_MODE);
dp->rd_stride = GET32(sc, AVIVO_D1GRPH_PITCH);
PUT32(sc, AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS, 0);
}
if (GET32(sc, AVIVO_D2CRTC_CONTROL) & AVIVO_CRTC_EN) {
CLR32(sc, AVIVO_D2GRPH_CONTROL, AVIVO_D1GRPH_MACRO_ADDRESS_MODE);
dp->rd_stride = GET32(sc, AVIVO_D2GRPH_PITCH);
PUT32(sc, AVIVO_D2GRPH_PRIMARY_SURFACE_ADDRESS, 0);
}
return;
}
/* 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);
for (i = 0; i < dp->rd_ncrtcs; i++)
radeonfb_setcrtc(dp, i);
#if 0
/*
* DVO chip voodoo from xf86-video-radeon
* apparently this is needed for some powerbooks with DVI outputs
*/
uint8_t data[5][2] = {{0x8, 0x030}, {0x9, 0}, {0xa, 0x90}, {0xc, 0x89}, {0x8, 0x3b}};
int n = 0;
iic_acquire_bus(&sc->sc_i2c[0].ric_controller, 0);
for (i = 0; i < 5; i++)
n += iic_exec(&sc->sc_i2c[0].ric_controller, I2C_OP_WRITE, 0x38, data[i], 2, NULL, 0, 0);
iic_release_bus(&sc->sc_i2c[0].ric_controller, 0);
printf("n = %d\n", n);
#endif
/* activate the display */
radeonfb_blank(dp, 0);
}
void
radeonfb_setcrtc(struct radeonfb_display *dp, int index)
{
int crtc, flags = 0;
struct videomode *mode;
struct radeonfb_softc *sc;
struct radeonfb_crtc *cp;
uint32_t v, hd, vd;
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;
if ((sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_INT) ||
(sc->sc_ports[index].rp_tmds_type == RADEON_TMDS_EXT)) {
flags |= NO_ODD_FBDIV;
}
cp = &dp->rd_crtcs[index];
crtc = cp->rc_number;
mode = &cp->rc_videomode;
#if 1
pitch = dp->rd_stride / dp->rd_bpp;
#else
pitch = (((sc->sc_maxx * sc->sc_maxbpp) + ((sc->sc_maxbpp * 8) - 1)) /
(sc->sc_maxbpp * 8));
#endif
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;
/* should probably leave those alone on non-LVDS */
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;
/* XXX these registers don't seem to exist */
fpvtotaldisp = 0;//RADEON_FP_CRTC2_V_TOTAL_DISP;
fphtotaldisp = 0;//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);
hd = ((GET32(sc, htotaldisp) >> 16) + 1) * 8;
vd = (GET32(sc, vtotaldisp) >> 16) + 1;
DPRINTF(("res %d x %d\n", hd, vd));
if ((hd != mode->hdisplay) || (vd != mode->vdisplay)) {
/*
* H_TOTAL_DISP
*/
v = ((mode->hdisplay / 8) - 1) << 16;
v |= (mode->htotal / 8) - 1;
PRINTREG(RADEON_CRTC_H_TOTAL_DISP);
PUT32(sc, htotaldisp, v);
DPRINTF(("CRTC%s_H_TOTAL_DISP = %08x\n", crtc ? "2" : "", v));
if (fphtotaldisp) {
PRINTREG(RADEON_FP_CRTC_H_TOTAL_DISP);
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 - 8); /* match xf86-video-radeon */
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));
if (fphsyncstrt) {
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));
if (fpvtotaldisp) {
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));
if (fpvsyncstrt) {
PUT32(sc, fpvsyncstrt, v);
DPRINTF(("FP_V%s_SYNC_STRT_WID = %08x\n", crtc ? "2" : "", v));
}
}
radeonfb_program_vclk(sc, mode->dot_clock, crtc, flags);
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)
{
struct radeonfb_softc *sc = dp->rd_softc;
uint32_t reg, mask;
if(!dp->rd_softc->sc_mapped)
return 1;
if (IS_AVIVO(sc)) {
reg = GET32(sc, AVIVO_D1CRTC_CONTROL);
return ((reg & AVIVO_CRTC_EN) == 0);
}
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;
if (!sc->sc_mapped)
return;
if(IS_AVIVO(sc)) {
/*
* XXX
* I don't know how to turn the sunc outputs off for DPMS
* power control, so for now just turn the entire CRTC off
*/
if (blank) {
CLR32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
CLR32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
} else {
SET32(sc, AVIVO_D1CRTC_CONTROL, AVIVO_CRTC_EN);
SET32(sc, AVIVO_D2CRTC_CONTROL, AVIVO_CRTC_EN);
}
return;
}
/* non-AVIVO case */
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();
scr->scr_flags |= VCONS_LOADFONT;
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;
switch (ri->ri_depth) {
case 8:
ri->ri_flg |= RI_ENABLE_ALPHA | RI_8BIT_IS_RGB | RI_PREFER_ALPHA;
break;
case 32:
ri->ri_flg |= RI_ENABLE_ALPHA | RI_PREFER_ALPHA;
/* we run radeons in RGB even on SPARC hardware */
ri->ri_rnum = 8;
ri->ri_gnum = 8;
ri->ri_bnum = 8;
ri->ri_rpos = 16;
ri->ri_gpos = 8;
ri->ri_bpos = 0;
break;
}
ri->ri_bits = (void *)dp->rd_fbptr;
#ifdef VCONS_DRAW_INTR
scr->scr_flags |= VCONS_DONT_READ;
#endif
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.
*/
/* initialize and look for an initial font */
rasops_init(ri, 0, 0);
ri->ri_caps = WSSCREEN_UNDERLINE | WSSCREEN_HILIT |
WSSCREEN_WSCOLORS | WSSCREEN_REVERSE | WSSCREEN_RESIZE;
rasops_reconfig(ri, dp->rd_virty / ri->ri_font->fontheight,
dp->rd_virtx / ri->ri_font->fontwidth);
/* enable acceleration */
dp->rd_putchar = ri->ri_ops.putchar;
ri->ri_ops.copyrows = radeonfb_copyrows;
ri->ri_ops.copycols = radeonfb_copycols;
ri->ri_ops.eraserows = radeonfb_eraserows;
ri->ri_ops.erasecols = radeonfb_erasecols;
/* pick a putchar method based on font and Radeon model */
if (ri->ri_font->stride < ri->ri_font->fontwidth) {
/* got a bitmap font */
#if !defined(RADEONFB_ALWAYS_ACCEL_PUTCHAR)
if (IS_R300(dp->rd_softc) && 0) {
/*
* radeonfb_putchar() doesn't work right on some R3xx
* so we use software drawing here, the wrapper just
* makes sure the engine is idle before scribbling
* into vram
*/
ri->ri_ops.putchar = radeonfb_putchar_wrapper;
} else
#endif
ri->ri_ops.putchar = radeonfb_putchar;
} else {
/* got an alpha font */
switch(ri->ri_depth) {
case 32:
ri->ri_ops.putchar = radeonfb_putchar_aa32;
break;
case 8:
ri->ri_ops.putchar = radeonfb_putchar_aa8;
break;
default:
/* XXX this should never happen */
panic("%s: depth is not 8 or 32 but we got an" \
" alpha font?!", __func__);
}
}
ri->ri_ops.cursor = radeonfb_cursor;
}
static uint32_t
radeonfb_avivo_INMC(struct radeonfb_softc *sc, uint32_t addr)
{
uint32_t data;
PUT32(sc, AVIVO_MC_INDEX, (addr & 0xff) | 0x7f0000);
(void)GET32(sc, AVIVO_MC_INDEX);
data = GET32(sc, AVIVO_MC_DATA);
PUT32(sc, AVIVO_MC_INDEX, 0);
(void)GET32(sc, AVIVO_MC_INDEX);
return data;
}
static void
radeonfb_avivo_OUTMC(struct radeonfb_softc *sc, uint32_t addr, uint32_t data)
{
PUT32(sc, AVIVO_MC_INDEX, (addr & 0xff) | 0x7f0000);
(void)GET32(sc, AVIVO_MC_INDEX);
PUT32(sc, AVIVO_MC_DATA, data);
PUT32(sc, AVIVO_MC_INDEX, 0);
(void)GET32(sc, AVIVO_MC_INDEX);
}
void
radeonfb_set_fbloc(struct radeonfb_softc *sc)
{
uint32_t gen = 0, ext = 0, gen2 = 0;
uint32_t agploc, aperbase, apersize, mcfbloc;
if (IS_AVIVO(sc)) {
agploc = radeonfb_avivo_INMC(sc, R520_MC_AGP_LOCATION);
} else {
gen = GET32(sc, RADEON_CRTC_GEN_CNTL);
/* XXX */
ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
agploc = GET32(sc, RADEON_MC_AGP_LOCATION);
PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISP_REQ_EN_B);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
#if 0
PUT32(sc, RADEON_CRTC_GEN_CNTL, gen | RADEON_CRTC_DISPLAY_DIS);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
#endif
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);
}
aperbase = GET32(sc, RADEON_CONFIG_APER_0_BASE);
apersize = GET32(sc, RADEON_CONFIG_APER_SIZE);
mcfbloc = (aperbase >> 16) |
((aperbase + (apersize - 1)) & 0xffff0000);
sc->sc_aperbase = (mcfbloc & 0xffff) << 16;
sc->sc_memsz = apersize;
DPRINTF(("aperbase = %08x\n", aperbase));
if (((agploc & 0xffff) << 16) !=
((mcfbloc & 0xffff0000U) + 0x10000)) {
agploc = mcfbloc & 0xffff0000U;
agploc |= ((agploc + 0x10000) >> 16);
}
PUT32(sc, RADEON_HOST_PATH_CNTL, 0);
if (IS_AVIVO(sc)) {
radeonfb_avivo_OUTMC(sc, R520_MC_FB_LOCATION, mcfbloc);
radeonfb_avivo_OUTMC(sc, R520_MC_AGP_LOCATION, agploc);
PRINTREG(AVIVO_HDP_FB_LOCATION);
DPRINTF((" FB loc %08x\n", radeonfb_avivo_INMC(sc, R520_MC_FB_LOCATION)));
DPRINTF(("AGP loc %08x\n", radeonfb_avivo_INMC(sc, R520_MC_AGP_LOCATION)));
} else {
PUT32(sc, RADEON_MC_FB_LOCATION, mcfbloc);
PUT32(sc, RADEON_MC_AGP_LOCATION, agploc);
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);
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);
}
#if 0
/* XXX: what is this AGP garbage? :-) */
PUT32(sc, RADEON_AGP_CNTL, 0x00100000);
#endif
}
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);
#if 0
PUT32(sc, RADEON_DISP_MISC_CNTL, 0x5bb00400);
#endif
PUT32(sc, RADEON_GEN_INT_CNTL, 0);
PUT32(sc, RADEON_GEN_INT_STATUS, GET32(sc, RADEON_GEN_INT_STATUS));
}
static void
radeonfb_putpal(struct radeonfb_display *dp, int idx, int r, int g, int b)
{
struct radeonfb_softc *sc = dp->rd_softc;
int crtc, cc;
uint32_t vclk;
if (IS_AVIVO(sc)) {
for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
crtc = dp->rd_crtcs[cc].rc_number;
if (crtc)
PUT32(sc, AVIVO_DC_LUT_RW_SELECT, 1);
else
PUT32(sc, AVIVO_DC_LUT_RW_SELECT, 0);
PUT32(sc, AVIVO_DC_LUT_RW_INDEX, idx);
PUT32(sc, AVIVO_DC_LUT_30_COLOR,
(r << 22) | (g << 12) | (b << 2));
}
} else {
vclk = GETPLL(sc, RADEON_VCLK_ECP_CNTL);
PUTPLL(sc, RADEON_VCLK_ECP_CNTL,
vclk & ~RADEON_PIXCLK_DAC_ALWAYS_ONb);
/* init the palette for every CRTC used by this display */
for (cc = 0; cc < dp->rd_ncrtcs; cc++) {
crtc = dp->rd_crtcs[cc].rc_number;
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, idx);
PUT32(sc, RADEON_PALETTE_30_DATA,
(r << 22) | (g << 12) | (b << 2));
}
PUTPLL(sc, RADEON_VCLK_ECP_CNTL, vclk);
}
}
/*
* This loads a linear color map for true color.
*/
void
radeonfb_init_palette(struct radeonfb_display *dp)
{
int i;
#define DAC_WIDTH ((1 << 10) - 1)
#define CLUT_WIDTH ((1 << 8) - 1)
#define CLUT_COLOR(i) ((i * DAC_WIDTH * 2 / CLUT_WIDTH + 1) / 2)
if (dp->rd_bpp == 8) {
/* R3G3B2 palette */
uint32_t tmp, r, g, b;
for (i = 0; i <= CLUT_WIDTH; ++i) {
tmp = i & 0xe0;
/*
* replicate bits so 0xe0 maps to a red value of 0xff
* in order to make white look actually white
*/
tmp |= (tmp >> 3) | (tmp >> 6);
r = tmp;
tmp = (i & 0x1c) << 3;
tmp |= (tmp >> 3) | (tmp >> 6);
g = tmp;
tmp = (i & 0x03) << 6;
tmp |= tmp >> 2;
tmp |= tmp >> 4;
b = tmp;
dp->rd_cmap_red[i] = r;
dp->rd_cmap_green[i] = g;
dp->rd_cmap_blue[i] = b;
radeonfb_putpal(dp, i, r, g, b);
}
} else {
/* linear ramp */
for (i = 0; i <= CLUT_WIDTH; ++i) {
radeonfb_putpal(dp, i, i, i, i);
}
}
}
static int
radeonfb_putcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
{
u_char *r, *g, *b;
u_int index = cm->index;
u_int count = cm->count;
int i, error;
u_char rbuf[256], gbuf[256], bbuf[256];
#ifdef GENFB_DEBUG
aprint_debug("putcmap: %d %d\n",index, count);
#endif
if (index >= 256 || count > 256 - index)
return EINVAL;
error = copyin(cm->red, &rbuf[index], count);
if (error)
return error;
error = copyin(cm->green, &gbuf[index], count);
if (error)
return error;
error = copyin(cm->blue, &bbuf[index], count);
if (error)
return error;
memcpy(&dp->rd_cmap_red[index], &rbuf[index], count);
memcpy(&dp->rd_cmap_green[index], &gbuf[index], count);
memcpy(&dp->rd_cmap_blue[index], &bbuf[index], count);
r = &dp->rd_cmap_red[index];
g = &dp->rd_cmap_green[index];
b = &dp->rd_cmap_blue[index];
for (i = 0; i < count; i++) {
radeonfb_putpal(dp, index, *r, *g, *b);
index++;
r++, g++, b++;
}
return 0;
}
static int
radeonfb_getcmap(struct radeonfb_display *dp, struct wsdisplay_cmap *cm)
{
u_int index = cm->index;
u_int count = cm->count;
int error;
if (index >= 256 || count > 256 - index)
return EINVAL;
error = copyout(&dp->rd_cmap_red[index], cm->red, count);
if (error)
return error;
error = copyout(&dp->rd_cmap_green[index], cm->green, count);
if (error)
return error;
error = copyout(&dp->rd_cmap_blue[index], cm->blue, count);
if (error)
return error;
return 0;
}
/*
* 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.
*/
/* this one draws characters using bitmap fonts */
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;
struct radeonfb_softc *sc = dp->rd_softc;
struct wsdisplay_font *font = PICK_FONT(ri, c);
uint32_t w, h;
int xd, yd, offset, i;
uint32_t bg, fg, gmc;
uint32_t reg;
uint8_t *data8;
uint16_t *data16;
uint32_t *data32;
void *data;
if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
return;
if (!CHAR_IN_FONT(c, font))
return;
w = font->fontwidth;
h = font->fontheight;
bg = ri->ri_devcmap[(attr >> 16) & 0xf];
fg = ri->ri_devcmap[(attr >> 24) & 0xf];
xd = ri->ri_xorigin + col * w;
yd = ri->ri_yorigin + row * h;
if (c == 0x20) {
radeonfb_rectfill(dp, xd, yd, w, h, bg);
return;
}
data = WSFONT_GLYPH(c, font);
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
radeonfb_wait_fifo(sc, 9);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
RADEON_GMC_BRUSH_NONE |
RADEON_GMC_SRC_DATATYPE_MONO_FG_BG |
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_SC_LEFT, xd);
PUT32(sc, RADEON_SC_RIGHT, xd + w);
PUT32(sc, RADEON_DP_SRC_FRGD_CLR, fg);
PUT32(sc, RADEON_DP_SRC_BKGD_CLR, bg);
PUT32(sc, RADEON_DP_CNTL,
RADEON_DST_X_LEFT_TO_RIGHT |
RADEON_DST_Y_TOP_TO_BOTTOM);
PUT32(sc, RADEON_SRC_X_Y, 0);
offset = 32 - (font->stride << 3);
PUT32(sc, RADEON_DST_X_Y, ((xd - offset) << 16) | yd);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (32 << 16) | h);
radeonfb_wait_fifo(sc, h);
switch (font->stride) {
case 1: {
data8 = data;
for (i = 0; i < h; i++) {
reg = *data8;
#if BYTE_ORDER == LITTLE_ENDIAN
reg = reg << 24;
#endif
bus_space_write_stream_4(sc->sc_regt,
sc->sc_regh, RADEON_HOST_DATA0, reg);
data8++;
}
break;
}
case 2: {
data16 = data;
for (i = 0; i < h; i++) {
reg = *data16;
#if BYTE_ORDER == LITTLE_ENDIAN
reg = reg << 16;
#endif
bus_space_write_stream_4(sc->sc_regt,
sc->sc_regh, RADEON_HOST_DATA0, reg);
data16++;
}
break;
}
case 4: {
data32 = data;
for (i = 0; i < h; i++) {
reg = *data32;
bus_space_write_stream_4(sc->sc_regt,
sc->sc_regh, RADEON_HOST_DATA0, reg);
data32++;
}
break;
}
}
if (attr & 1)
radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
}
/* ... while this one is for anti-aliased ones */
static void
radeonfb_putchar_aa32(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;
struct radeonfb_softc *sc = dp->rd_softc;
struct wsdisplay_font *font = PICK_FONT(ri, c);
uint32_t bg, fg, gmc;
uint8_t *data;
int w, h, xd, yd;
int i, r, g, b, aval;
int rf, gf, bf, rb, gb, bb;
uint32_t pixel;
int rv;
if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
return;
if (!CHAR_IN_FONT(c, font))
return;
w = font->fontwidth;
h = font->fontheight;
bg = ri->ri_devcmap[(attr >> 16) & 0xf];
fg = ri->ri_devcmap[(attr >> 24) & 0xf];
xd = ri->ri_xorigin + col * w;
yd = ri->ri_yorigin + row * h;
if (c == 0x20) {
radeonfb_rectfill(dp, xd, yd, w, h, bg);
if (attr & 1)
radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
return;
}
rv = glyphcache_try(&dp->rd_gc, c, xd, yd, attr);
if (rv == GC_OK)
return;
data = WSFONT_GLYPH(c, font);
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
radeonfb_wait_fifo(sc, 5);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
RADEON_GMC_BRUSH_NONE |
RADEON_GMC_SRC_DATATYPE_COLOR |
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_CNTL,
RADEON_DST_X_LEFT_TO_RIGHT |
RADEON_DST_Y_TOP_TO_BOTTOM);
PUT32(sc, RADEON_SRC_X_Y, 0);
PUT32(sc, RADEON_DST_X_Y, (xd << 16) | yd);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (w << 16) | h);
rf = (fg >> 16) & 0xff;
rb = (bg >> 16) & 0xff;
gf = (fg >> 8) & 0xff;
gb = (bg >> 8) & 0xff;
bf = fg & 0xff;
bb = bg & 0xff;
/*
* I doubt we can upload data faster than even the slowest Radeon
* could process them, especially when doing the alpha blending stuff
* along the way, so just make sure there's some room in the FIFO and
* then hammer away
* As it turns out we can, so make periodic stops to let the FIFO
* drain.
*/
radeonfb_wait_fifo(sc, 20);
for (i = 0; i < ri->ri_fontscale; i++) {
aval = *data;
data++;
if (aval == 0) {
pixel = bg;
} else if (aval == 255) {
pixel = fg;
} else {
r = aval * rf + (255 - aval) * rb;
g = aval * gf + (255 - aval) * gb;
b = aval * bf + (255 - aval) * bb;
pixel = (r & 0xff00) << 8 |
(g & 0xff00) |
(b & 0xff00) >> 8;
}
if (i & 16)
radeonfb_wait_fifo(sc, 20);
PUT32(sc, RADEON_HOST_DATA0, pixel);
}
if (rv == GC_ADD) {
glyphcache_add(&dp->rd_gc, c, xd, yd);
} else if (attr & 1)
radeonfb_rectfill(dp, xd, yd + h - 2, w, 1, fg);
}
static void
radeonfb_putchar_aa8(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;
struct radeonfb_softc *sc = dp->rd_softc;
struct wsdisplay_font *font = PICK_FONT(ri, c);
uint32_t bg, fg, latch = 0, bg8, fg8, pixel, gmc;
int i, x, y, wi, he, r, g, b, aval;
int r1, g1, b1, r0, g0, b0, fgo, bgo;
uint8_t *data8;
int rv, cnt;
if (dp->rd_wsmode != WSDISPLAYIO_MODE_EMUL)
return;
if (!CHAR_IN_FONT(c, font))
return;
wi = font->fontwidth;
he = font->fontheight;
bg = ri->ri_devcmap[(attr >> 16) & 0xf];
fg = ri->ri_devcmap[(attr >> 24) & 0xf];
x = ri->ri_xorigin + col * wi;
y = ri->ri_yorigin + row * he;
if (c == 0x20) {
radeonfb_rectfill(dp, x, y, wi, he, bg);
if (attr & 1)
radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
return;
}
rv = glyphcache_try(&dp->rd_gc, c, x, y, attr);
if (rv == GC_OK)
return;
data8 = WSFONT_GLYPH(c, font);
gmc = dp->rd_format << RADEON_GMC_DST_DATATYPE_SHIFT;
radeonfb_wait_fifo(sc, 5);
PUT32(sc, RADEON_DP_GUI_MASTER_CNTL,
RADEON_GMC_BRUSH_NONE |
RADEON_GMC_SRC_DATATYPE_COLOR |
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_CNTL,
RADEON_DST_X_LEFT_TO_RIGHT |
RADEON_DST_Y_TOP_TO_BOTTOM);
PUT32(sc, RADEON_SRC_X_Y, 0);
PUT32(sc, RADEON_DST_X_Y, (x << 16) | y);
PUT32(sc, RADEON_DST_WIDTH_HEIGHT, (wi << 16) | he);
/*
* we need the RGB colours here, so get offsets into rasops_cmap
*/
fgo = ((attr >> 24) & 0xf) * 3;
bgo = ((attr >> 16) & 0xf) * 3;
r0 = rasops_cmap[bgo];
r1 = rasops_cmap[fgo];
g0 = rasops_cmap[bgo + 1];
g1 = rasops_cmap[fgo + 1];
b0 = rasops_cmap[bgo + 2];
b1 = rasops_cmap[fgo + 2];
#define R3G3B2(r, g, b) ((r & 0xe0) | ((g >> 3) & 0x1c) | (b >> 6))
bg8 = R3G3B2(r0, g0, b0);
fg8 = R3G3B2(r1, g1, b1);
radeonfb_wait_fifo(sc, 20);
cnt = 0;
for (i = 0; i < ri->ri_fontscale; i++) {
aval = *data8;
if (aval == 0) {
pixel = bg8;
} else if (aval == 255) {
pixel = fg8;
} else {
r = aval * r1 + (255 - aval) * r0;
g = aval * g1 + (255 - aval) * g0;
b = aval * b1 + (255 - aval) * b0;
pixel = ((r & 0xe000) >> 8) |
((g & 0xe000) >> 11) |
((b & 0xc000) >> 14);
}
latch |= pixel << (8 * (i & 3));
/* write in 32bit chunks */
if ((i & 3) == 3) {
PUT32(sc, RADEON_HOST_DATA0, latch);
/*
* not strictly necessary, old data should be shifted
* out
*/
latch = 0;
cnt++;
if (cnt > 16) {
cnt = 0;
radeonfb_wait_fifo(sc, 20);
}
}
data8++;
}
/* if we have pixels left in latch write them out */
if ((i & 3) != 0) {
/*
* radeon is weird - apparently leftover pixels are written
* from the middle, not from the left as everything else
*/
PUT32(sc, RADEON_HOST_DATA0, latch);
}
if (rv == GC_ADD) {
glyphcache_add(&dp->rd_gc, c, x, y);
} else
if (attr & 1)
radeonfb_rectfill(dp, x, y + he - 2, wi, 1, fg);
}
/*
* wrapper for software character drawing
* just sync the engine and call rasops*_putchar()
*/
#ifndef RADEONFB_ALWAYS_ACCEL_PUTCHAR
static void
radeonfb_putchar_wrapper(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;
radeonfb_engine_idle(dp->rd_softc);
dp->rd_putchar(ri, row, col, c, attr);
}
#endif
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);
}
}
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);
}
}
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);
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);
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;
}
}
/*
* Underlying acceleration support.
*/
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));
}
static void
radeonfb_rectfill_a(void *cookie, int dstx, int dsty,
int width, int height, long attr)
{
struct radeonfb_display *dp = cookie;
radeonfb_rectfill(dp, dstx, dsty, width, height,
dp->rd_vscreen.scr_ri.ri_devcmap[(attr >> 24 & 0xf)]);
}
static void
radeonfb_bitblt(void *cookie, int srcx, int srcy,
int dstx, int dsty, int width, int height, int rop)
{
struct radeonfb_display *dp = cookie;
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_BRUSH_NONE |
RADEON_GMC_SRC_DATATYPE_COLOR |
RADEON_GMC_CLR_CMP_CNTL_DIS |
RADEON_DP_SRC_SOURCE_MEMORY |
rop | gmc);
PUT32(sc, RADEON_DP_WRITE_MASK, 0xffffffff);
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));
}
static void
radeonfb_engine_idle(struct radeonfb_softc *sc)
{
radeonfb_wait_fifo(sc, 64);
while ((GET32(sc, RADEON_RBBM_STATUS) &
RADEON_RBBM_ACTIVE) != 0);
radeonfb_engine_flush(sc);
}
static inline 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 RADEONFB_DEBUG
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 = 0;
if (IS_R300(sc) || IS_AVIVO(sc)) {
SET32(sc, R300_DSTCACHE_CTLSTAT, R300_RB2D_DC_FLUSH_ALL);
while (GET32(sc, R300_DSTCACHE_CTLSTAT) & R300_RB2D_DC_BUSY) {
i++;
}
} else {
SET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT,
RADEON_RB2D_DC_FLUSH_ALL);
while (GET32(sc, RADEON_RB2D_DSTCACHE_CTLSTAT) &
RADEON_RB2D_DC_BUSY) {
i++;
}
}
#ifdef DIAGNOSTIC
if (i > RADEON_TIMEOUT)
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);
if (IS_AVIVO(sc)) {
#if 0
/* XXX the xf86-video-radeon does this, causes lockups here */
psel = GET32(sc, R400_GB_PIPE_SELECT);
PRINTREG(R400_GB_PIPE_SELECT);
DPRINTF(("PLL %08x %08x\n", GETPLL(sc, R500_DYN_SCLK_PWMEM_PIPE),
(1 | ((psel >> 8) & 0xf) << 4)));
PUTPLL(sc, R500_DYN_SCLK_PWMEM_PIPE, (1 | ((psel >> 8) & 0xf) << 4));
#endif
SET32(sc, RADEON_WAIT_UNTIL, RADEON_WAIT_2D_IDLECLEAN | RADEON_WAIT_3D_IDLECLEAN);
SET32(sc, R300_DST_PIPE_CONFIG, R300_PIPE_AUTO_CONFIG);
SET32(sc, R300_RB2D_DSTCACHE_MODE, R300_DC_AUTOFLUSH_ENABLE |
R300_DC_DC_DISABLE_IGNORE_PE);
}
PRINTREG(RADEON_RB3D_CNTL);
PRINTREG(RADEON_DP_GUI_MASTER_CNTL);
PRINTREG(RADEON_RBBM_STATUS);
radeonfb_engine_reset(sc);
PRINTREG(RADEON_RBBM_STATUS);
/*
* Apple OF hands us some radeons with tiling enabled - explicitly
* disable it here
*/
PUT32(sc, RADEON_SURFACE_CNTL, RADEON_SURF_TRANSLATION_DIS);
radeonfb_wait_fifo(sc, 1);
if (!IS_R300(sc) && !IS_AVIVO(sc))
PUT32(sc, RADEON_RB2D_DSTCACHE_MODE, 0);
radeonfb_wait_fifo(sc, 3);
/*
* XXX
* I strongly suspect this works mostly by accident on !AVIVO
* AVIVO uses all 22 bits for the framebuffer offset, so it can
* address up to 4GB. Older chips probably use bits 20-22 for other
* things and we just so happen to set the right ones by having our
* PCI/AGP space above 0x80000000.
* Either way, r5xx does not work if we set these bits, while older
* chips don't work without.
*/
pitch = (dp->rd_stride + 0x3f) >> 6;
if (IS_AVIVO(sc)) {
pitch = pitch << 22;
} else
pitch = (pitch << 22) | (sc->sc_aperbase >> 10);
PUT32(sc, RADEON_DEFAULT_PITCH_OFFSET, pitch);
PUT32(sc, RADEON_DST_PITCH_OFFSET, pitch);
PUT32(sc, RADEON_SRC_PITCH_OFFSET, pitch);
(void)GET32(sc, RADEON_DP_DATATYPE);
/* 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, 10);
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);
PUT32(sc, RADEON_SC_TOP_LEFT, 0);
PUT32(sc, RADEON_SC_BOTTOM_RIGHT, 0x1fff1fff);
PUT32(sc, RADEON_AUX_SC_CNTL, 0);
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) || IS_AVIVO(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, R300_DC_DC_DISABLE_IGNORE_PE);
} 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) && !IS_AVIVO(sc))
PUT32(sc, RADEON_RBBM_SOFT_RESET, rbbm);
PUT32(sc, RADEON_CLOCK_CNTL_INDEX, clkindex);
PRINTREG(RADEON_CLOCK_CNTL_INDEX);
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 = &dp->rd_tempcursor;
flags = wc->which;
/* copy old values */
memcpy(nc, &dp->rd_cursor, sizeof(struct radeonfb_cursor));
if (flags & WSDISPLAY_CURSOR_DOCMAP) {
index = wc->cmap.index;
count = wc->cmap.count;
if (index >= 2 || count > 2 - index)
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;
}
memcpy(&dp->rd_cursor, nc, sizeof(struct radeonfb_cursor));
radeonfb_cursor_update(dp, wc->which);
return 0;
}
static uint8_t
radeonfb_backwards(uint8_t d)
{
uint8_t l;
l = d << 7;
l |= ((d & 0x02) << 5);
l |= ((d & 0x04) << 3);
l |= ((d & 0x08) << 1);
l |= ((d & 0x10) >> 1);
l |= ((d & 0x20) >> 3);
l |= ((d & 0x40) >> 5);
l |= ((d & 0x80) >> 7);
return l;
}
/*
* 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++;
}
}
for (i = 0; i < 512; i++) {
and[i] = radeonfb_backwards(and[i]);
xor[i] = radeonfb_backwards(xor[i]);
}
/* 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);
}
}
/*
* We use the cursor in 24bit mode on avivo, much simpler than the above.
* Should probably do the same on older radeons
*/
static void
radeonfb_avivo_cursor_shape(struct radeonfb_display *dp)
{
const uint8_t *msk = dp->rd_cursor.rc_mask;
const uint8_t *img = dp->rd_cursor.rc_image;
uint32_t *out = (uint32_t *)dp->rd_curptr;
uint8_t bit;
int i, j, px;
for (i = 0; i < 64 * 8; i++) {
bit = 0x01;
for (j = 0; j < 8; j++) {
px = ((*msk & bit) ? 2 : 0) | ((*img & bit) ? 1 : 0);
switch (px) {
case 0:
case 1:
*out = htole32(0x00000000);
break;
case 2:
*out = htole32(0xff000000 |
dp->rd_cursor.rc_cmap[0]);
break;
case 3:
*out = htole32(0xff000000 |
dp->rd_cursor.rc_cmap[1]);
break;
}
out++;
bit = bit << 1;
}
msk++;
img++;
}
}
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, lock;
/*
* XXX: this also needs to handle pan/scan
*/
for (i = 0; i < dp->rd_ncrtcs; i++) {
struct radeonfb_crtc *rcp = &dp->rd_crtcs[i];
SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
PUT32(sc, AVIVO_D1CUR_SIZE, 0x003f003f);
if (IS_AVIVO(sc)) {
if (rcp->rc_number) {
offset = AVIVO_D2CUR_SURFACE_ADDRESS;
hvoff = AVIVO_D2CUR_HOT_SPOT;
hvpos = AVIVO_D2CUR_POSITION;
crtcoff = 0/*RADEON_CRTC_OFFSET*/;
} else {
offset = AVIVO_D1CUR_SURFACE_ADDRESS;
hvoff = AVIVO_D1CUR_HOT_SPOT;
hvpos = AVIVO_D1CUR_POSITION;
crtcoff = 0/*RADEON_CRTC_OFFSET*/;
}
lock = 0;
} else {
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;
}
lock = RADEON_CUR_LOCK;
}
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 */
if (crtcoff != 0)
PUT32(sc, crtcoff, (rcp->rc_yoffset * dp->rd_stride) +
rcp->rc_xoffset);
PUT32(sc, offset, (dp->rd_curoff + coff) | lock);
PUT32(sc, hvoff, (xoff << 16) | (yoff) | lock);
/* NB: this unlocks the cursor */
PUT32(sc, hvpos, (x << 16) | y);
if (IS_AVIVO(sc))
CLR32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
}
}
static void
radeonfb_cursor_visible(struct radeonfb_display *dp)
{
struct radeonfb_softc *sc = dp->rd_softc;
int i;
uint32_t gencntl, bit;
for (i = 0; i < dp->rd_ncrtcs; i++) {
if (IS_AVIVO(sc)) {
SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
if (dp->rd_crtcs[i].rc_number) {
gencntl = AVIVO_D2CUR_CONTROL;
bit = AVIVO_D1CURSOR_EN | (2 << 8);
} else {
gencntl = AVIVO_D1CUR_CONTROL;
bit = AVIVO_D1CURSOR_EN | (2 << 8);
}
} else {
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);
if (IS_AVIVO(sc))
CLR32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
}
}
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) {
if (IS_AVIVO(sc)) {
SET32(sc, AVIVO_D2CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
} else
SET32(sc, RADEON_CUR2_OFFSET, RADEON_CUR_LOCK);
} else {
if (IS_AVIVO(sc)) {
SET32(sc, AVIVO_D1CUR_UPDATE, AVIVO_D1CURSOR_UPDATE_LOCK);
} else
SET32(sc, RADEON_CUR_OFFSET,RADEON_CUR_LOCK);
}
}
if (which & WSDISPLAY_CURSOR_DOCMAP) {
if (IS_AVIVO(sc)) {
/*
* we use an ARGB cursor here, so we need to rebuild
* the cursor image every time the palette changes
*/
radeonfb_avivo_cursor_shape(dp);
} else
radeonfb_cursor_cmap(dp);
}
if (which & WSDISPLAY_CURSOR_DOSHAPE) {
if (IS_AVIVO(sc)) {
radeonfb_avivo_cursor_shape(dp);
} else
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;
size_t smodes;
int nmodes = 0;
int valid = 0;
smodes = sizeof(struct videomode) * 64;
modes = kmem_alloc(smodes, KM_SLEEP);
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) {
/*
* Pick the preferred mode for this port
* if available.
*/
if (ep->edid_preferred_mode) {
struct videomode *vmp =
ep->edid_preferred_mode;
if ((vmp->hdisplay <=
dp->rd_softc->sc_maxx) &&
(vmp->vdisplay <=
dp->rd_softc->sc_maxy))
modes[nmodes++] = *vmp;
} else {
/* 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;
}
}
kmem_free(modes, smodes);
}
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 void
radeonfb_switch_backlight(struct radeonfb_display *dp, int on)
{
if (dp->rd_bl_on == on)
return;
dp->rd_bl_on = on;
radeonfb_set_backlight(dp, dp->rd_bl_level);
}
static int
radeonfb_set_backlight(struct radeonfb_display *dp, int level)
{
struct radeonfb_softc *sc = dp->rd_softc;
int rlevel, s;
uint32_t lvds;
if(!sc->sc_mapped)
return 0;
s = spltty();
dp->rd_bl_level = level;
if (dp->rd_bl_on == 0)
level = 0;
if (level < 0)
level = 0;
else if (level >= RADEONFB_BACKLIGHT_MAX)
level = RADEONFB_BACKLIGHT_MAX;
/* 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);
}
static void
radeonfb_brightness_up(device_t dev)
{
struct radeonfb_softc *sc = device_private(dev);
struct radeonfb_display *dp = &sc->sc_displays[0];
int level;
/* we assume the main display is the first one - need a better way */
if (sc->sc_ndisplays < 1) return;
/* make sure pushing the hotkeys always has an effect */
dp->rd_bl_on = 1;
level = dp->rd_bl_level;
level = uimin(RADEONFB_BACKLIGHT_MAX, level + 5);
radeonfb_set_backlight(dp, level);
}
static void
radeonfb_brightness_down(device_t dev)
{
struct radeonfb_softc *sc = device_private(dev);
struct radeonfb_display *dp = &sc->sc_displays[0];
int level;
/* we assume the main display is the first one - need a better way */
if (sc->sc_ndisplays < 1) return;
/* make sure pushing the hotkeys always has an effect */
dp->rd_bl_on = 1;
level = dp->rd_bl_level;
level = uimax(0, level - 5);
radeonfb_set_backlight(dp, level);
}