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This is a framebuffer driver for ATI video card, can work for PCI9200,

Browse source 
X300, X700, X800 ATI video cards.

Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Jason Jin <Jason.jin@freescale.com>
This commit is contained in:
Jason Jin 2007-07-06 08:33:33 +08:00 committed by Wolfgang Denk
parent 5728be389e
commit 5072188aca
5 changed files with 2978 additions and 1 deletions
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2
drivers/Makefile
View file

@ -52,7 +52,7 @@ COBJS = 3c589.o 5701rls.o ali512x.o ata_piix.o atmel_usart.o \
ks8695eth.o \ ks8695eth.o \
pxa_pcmcia.o mpc8xx_pcmcia.o tqm8xx_pcmcia.o \ pxa_pcmcia.o mpc8xx_pcmcia.o tqm8xx_pcmcia.o \
rpx_pcmcia.o \ rpx_pcmcia.o \
fsl_i2c.o fsl_pci_init.o fsl_i2c.o fsl_pci_init.o ati_radeon_fb.o
SRCS := $(COBJS:.o=.c) SRCS := $(COBJS:.o=.c)
OBJS := $(addprefix $(obj),$(COBJS)) OBJS := $(addprefix $(obj),$(COBJS))

212
drivers/ati_ids.h Normal file
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@ -0,0 +1,212 @@
/*
* ATI PCI IDs from XFree86, kept here to make sync'ing with
* XFree much simpler. Currently, this list is only used by
* radeonfb
*/
#define PCI_CHIP_RV380_3150 0x3150
#define PCI_CHIP_RV380_3151 0x3151
#define PCI_CHIP_RV380_3152 0x3152
#define PCI_CHIP_RV380_3153 0x3153
#define PCI_CHIP_RV380_3154 0x3154
#define PCI_CHIP_RV380_3156 0x3156
#define PCI_CHIP_RV380_3E50 0x3E50
#define PCI_CHIP_RV380_3E51 0x3E51
#define PCI_CHIP_RV380_3E52 0x3E52
#define PCI_CHIP_RV380_3E53 0x3E53
#define PCI_CHIP_RV380_3E54 0x3E54
#define PCI_CHIP_RV380_3E56 0x3E56
#define PCI_CHIP_RS100_4136 0x4136
#define PCI_CHIP_RS200_4137 0x4137
#define PCI_CHIP_R300_AD 0x4144
#define PCI_CHIP_R300_AE 0x4145
#define PCI_CHIP_R300_AF 0x4146
#define PCI_CHIP_R300_AG 0x4147
#define PCI_CHIP_R350_AH 0x4148
#define PCI_CHIP_R350_AI 0x4149
#define PCI_CHIP_R350_AJ 0x414A
#define PCI_CHIP_R350_AK 0x414B
#define PCI_CHIP_RV350_AP 0x4150
#define PCI_CHIP_RV350_AQ 0x4151
#define PCI_CHIP_RV360_AR 0x4152
#define PCI_CHIP_RV350_AS 0x4153
#define PCI_CHIP_RV350_AT 0x4154
#define PCI_CHIP_RV350_AV 0x4156
#define PCI_CHIP_MACH32 0x4158
#define PCI_CHIP_RS250_4237 0x4237
#define PCI_CHIP_R200_BB 0x4242
#define PCI_CHIP_R200_BC 0x4243
#define PCI_CHIP_RS100_4336 0x4336
#define PCI_CHIP_RS200_4337 0x4337
#define PCI_CHIP_MACH64CT 0x4354
#define PCI_CHIP_MACH64CX 0x4358
#define PCI_CHIP_RS250_4437 0x4437
#define PCI_CHIP_MACH64ET 0x4554
#define PCI_CHIP_MACH64GB 0x4742
#define PCI_CHIP_MACH64GD 0x4744
#define PCI_CHIP_MACH64GI 0x4749
#define PCI_CHIP_MACH64GL 0x474C
#define PCI_CHIP_MACH64GM 0x474D
#define PCI_CHIP_MACH64GN 0x474E
#define PCI_CHIP_MACH64GO 0x474F
#define PCI_CHIP_MACH64GP 0x4750
#define PCI_CHIP_MACH64GQ 0x4751
#define PCI_CHIP_MACH64GR 0x4752
#define PCI_CHIP_MACH64GS 0x4753
#define PCI_CHIP_MACH64GT 0x4754
#define PCI_CHIP_MACH64GU 0x4755
#define PCI_CHIP_MACH64GV 0x4756
#define PCI_CHIP_MACH64GW 0x4757
#define PCI_CHIP_MACH64GX 0x4758
#define PCI_CHIP_MACH64GY 0x4759
#define PCI_CHIP_MACH64GZ 0x475A
#define PCI_CHIP_RV250_Id 0x4964
#define PCI_CHIP_RV250_Ie 0x4965
#define PCI_CHIP_RV250_If 0x4966
#define PCI_CHIP_RV250_Ig 0x4967
#define PCI_CHIP_R420_JH 0x4A48
#define PCI_CHIP_R420_JI 0x4A49
#define PCI_CHIP_R420_JJ 0x4A4A
#define PCI_CHIP_R420_JK 0x4A4B
#define PCI_CHIP_R420_JL 0x4A4C
#define PCI_CHIP_R420_JM 0x4A4D
#define PCI_CHIP_R420_JN 0x4A4E
#define PCI_CHIP_R420_JP 0x4A50
#define PCI_CHIP_MACH64LB 0x4C42
#define PCI_CHIP_MACH64LD 0x4C44
#define PCI_CHIP_RAGE128LE 0x4C45
#define PCI_CHIP_RAGE128LF 0x4C46
#define PCI_CHIP_MACH64LG 0x4C47
#define PCI_CHIP_MACH64LI 0x4C49
#define PCI_CHIP_MACH64LM 0x4C4D
#define PCI_CHIP_MACH64LN 0x4C4E
#define PCI_CHIP_MACH64LP 0x4C50
#define PCI_CHIP_MACH64LQ 0x4C51
#define PCI_CHIP_MACH64LR 0x4C52
#define PCI_CHIP_MACH64LS 0x4C53
#define PCI_CHIP_MACH64LT 0x4C54
#define PCI_CHIP_RADEON_LW 0x4C57
#define PCI_CHIP_RADEON_LX 0x4C58
#define PCI_CHIP_RADEON_LY 0x4C59
#define PCI_CHIP_RADEON_LZ 0x4C5A
#define PCI_CHIP_RV250_Ld 0x4C64
#define PCI_CHIP_RV250_Le 0x4C65
#define PCI_CHIP_RV250_Lf 0x4C66
#define PCI_CHIP_RV250_Lg 0x4C67
#define PCI_CHIP_RV250_Ln 0x4C6E
#define PCI_CHIP_RAGE128MF 0x4D46
#define PCI_CHIP_RAGE128ML 0x4D4C
#define PCI_CHIP_R300_ND 0x4E44
#define PCI_CHIP_R300_NE 0x4E45
#define PCI_CHIP_R300_NF 0x4E46
#define PCI_CHIP_R300_NG 0x4E47
#define PCI_CHIP_R350_NH 0x4E48
#define PCI_CHIP_R350_NI 0x4E49
#define PCI_CHIP_R360_NJ 0x4E4A
#define PCI_CHIP_R350_NK 0x4E4B
#define PCI_CHIP_RV350_NP 0x4E50
#define PCI_CHIP_RV350_NQ 0x4E51
#define PCI_CHIP_RV350_NR 0x4E52
#define PCI_CHIP_RV350_NS 0x4E53
#define PCI_CHIP_RV350_NT 0x4E54
#define PCI_CHIP_RV350_NV 0x4E56
#define PCI_CHIP_RAGE128PA 0x5041
#define PCI_CHIP_RAGE128PB 0x5042
#define PCI_CHIP_RAGE128PC 0x5043
#define PCI_CHIP_RAGE128PD 0x5044
#define PCI_CHIP_RAGE128PE 0x5045
#define PCI_CHIP_RAGE128PF 0x5046
#define PCI_CHIP_RAGE128PG 0x5047
#define PCI_CHIP_RAGE128PH 0x5048
#define PCI_CHIP_RAGE128PI 0x5049
#define PCI_CHIP_RAGE128PJ 0x504A
#define PCI_CHIP_RAGE128PK 0x504B
#define PCI_CHIP_RAGE128PL 0x504C
#define PCI_CHIP_RAGE128PM 0x504D
#define PCI_CHIP_RAGE128PN 0x504E
#define PCI_CHIP_RAGE128PO 0x504F
#define PCI_CHIP_RAGE128PP 0x5050
#define PCI_CHIP_RAGE128PQ 0x5051
#define PCI_CHIP_RAGE128PR 0x5052
#define PCI_CHIP_RAGE128PS 0x5053
#define PCI_CHIP_RAGE128PT 0x5054
#define PCI_CHIP_RAGE128PU 0x5055
#define PCI_CHIP_RAGE128PV 0x5056
#define PCI_CHIP_RAGE128PW 0x5057
#define PCI_CHIP_RAGE128PX 0x5058
#define PCI_CHIP_RADEON_QD 0x5144
#define PCI_CHIP_RADEON_QE 0x5145
#define PCI_CHIP_RADEON_QF 0x5146
#define PCI_CHIP_RADEON_QG 0x5147
#define PCI_CHIP_R200_QH 0x5148
#define PCI_CHIP_R200_QI 0x5149
#define PCI_CHIP_R200_QJ 0x514A
#define PCI_CHIP_R200_QK 0x514B
#define PCI_CHIP_R200_QL 0x514C
#define PCI_CHIP_R200_QM 0x514D
#define PCI_CHIP_R200_QN 0x514E
#define PCI_CHIP_R200_QO 0x514F
#define PCI_CHIP_RV200_QW 0x5157
#define PCI_CHIP_RV200_QX 0x5158
#define PCI_CHIP_RV100_QY 0x5159
#define PCI_CHIP_RV100_QZ 0x515A
#define PCI_CHIP_RN50 0x515E
#define PCI_CHIP_RAGE128RE 0x5245
#define PCI_CHIP_RAGE128RF 0x5246
#define PCI_CHIP_RAGE128RG 0x5247
#define PCI_CHIP_RAGE128RK 0x524B
#define PCI_CHIP_RAGE128RL 0x524C
#define PCI_CHIP_RAGE128SE 0x5345
#define PCI_CHIP_RAGE128SF 0x5346
#define PCI_CHIP_RAGE128SG 0x5347
#define PCI_CHIP_RAGE128SH 0x5348
#define PCI_CHIP_RAGE128SK 0x534B
#define PCI_CHIP_RAGE128SL 0x534C
#define PCI_CHIP_RAGE128SM 0x534D
#define PCI_CHIP_RAGE128SN 0x534E
#define PCI_CHIP_RAGE128TF 0x5446
#define PCI_CHIP_RAGE128TL 0x544C
#define PCI_CHIP_RAGE128TR 0x5452
#define PCI_CHIP_RAGE128TS 0x5453
#define PCI_CHIP_RAGE128TT 0x5454
#define PCI_CHIP_RAGE128TU 0x5455
#define PCI_CHIP_RV370_5460 0x5460
#define PCI_CHIP_RV370_5461 0x5461
#define PCI_CHIP_RV370_5462 0x5462
#define PCI_CHIP_RV370_5463 0x5463
#define PCI_CHIP_RV370_5464 0x5464
#define PCI_CHIP_RV370_5465 0x5465
#define PCI_CHIP_RV370_5466 0x5466
#define PCI_CHIP_RV370_5467 0x5467
#define PCI_CHIP_R423_UH 0x5548
#define PCI_CHIP_R423_UI 0x5549
#define PCI_CHIP_R423_UJ 0x554A
#define PCI_CHIP_R423_UK 0x554B
#define PCI_CHIP_R423_UQ 0x5551
#define PCI_CHIP_R423_UR 0x5552
#define PCI_CHIP_R423_UT 0x5554
#define PCI_CHIP_MACH64VT 0x5654
#define PCI_CHIP_MACH64VU 0x5655
#define PCI_CHIP_MACH64VV 0x5656
#define PCI_CHIP_RS300_5834 0x5834
#define PCI_CHIP_RS300_5835 0x5835
#define PCI_CHIP_RS300_5836 0x5836
#define PCI_CHIP_RS300_5837 0x5837
#define PCI_CHIP_RV370_5B60 0x5B60
#define PCI_CHIP_RV370_5B61 0x5B61
#define PCI_CHIP_RV370_5B62 0x5B62
#define PCI_CHIP_RV370_5B63 0x5B63
#define PCI_CHIP_RV370_5B64 0x5B64
#define PCI_CHIP_RV370_5B65 0x5B65
#define PCI_CHIP_RV370_5B66 0x5B66
#define PCI_CHIP_RV370_5B67 0x5B67
#define PCI_CHIP_RV280_5960 0x5960
#define PCI_CHIP_RV280_5961 0x5961
#define PCI_CHIP_RV280_5962 0x5962
#define PCI_CHIP_RV280_5964 0x5964
#define PCI_CHIP_RV280_5C61 0x5C61
#define PCI_CHIP_RV280_5C63 0x5C63
#define PCI_CHIP_R423_5D57 0x5D57
#define PCI_CHIP_RS350_7834 0x7834
#define PCI_CHIP_RS350_7835 0x7835

486
drivers/ati_radeon_fb.c Normal file
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@ -0,0 +1,486 @@
/*
* ATI Radeon Video card Framebuffer driver.
*
* Copyright 2007 Freescale Semiconductor, Inc.
* Zhang Wei <wei.zhang@freescale.com>
* Jason Jin <jason.jin@freescale.com>
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
* Some codes of this file is partly ported from Linux kernel
* ATI video framebuffer driver.
*
* Now the driver is tested on below ATI chips:
* 9200
* X300
* X700
*
*/
#include <common.h>
#ifdef CONFIG_ATI_RADEON_FB
#include <command.h>
#include <pci.h>
#include <asm/processor.h>
#include <asm/errno.h>
#include <asm/io.h>
#include <malloc.h>
#include <video_fb.h>
#include <radeon.h>
#include "ati_ids.h"
#include "ati_radeon_fb.h"
#undef DEBUG
#ifdef DEBUG
#define DPRINT(x...) printf(x)
#else
#define DPRINT(x...) do{}while(0)
#endif
#ifndef min_t
#define min_t(type,x,y) \
({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
#endif
#define MAX_MAPPED_VRAM (2048*2048*4)
#define MIN_MAPPED_VRAM (1024*768*1)
/*#define PCI_VENDOR_ID_ATI*/
#define PCI_CHIP_RV280_5960 0x5960
#define PCI_CHIP_RV280_5961 0x5961
#define PCI_CHIP_RV280_5962 0x5962
#define PCI_CHIP_RV280_5964 0x5964
#define PCI_CHIP_RV370_5B60 0x5B60
#define PCI_CHIP_RV380_5657 0x5657
#define PCI_CHIP_R420_554d 0x554d
static struct pci_device_id ati_radeon_pci_ids[] = {
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5960},
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5961},
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5962},
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV280_5964},
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV370_5B60},
{PCI_VENDOR_ID_ATI, PCI_CHIP_RV380_5657},
{PCI_VENDOR_ID_ATI, PCI_CHIP_R420_554d},
{0, 0}
};
static u16 ati_radeon_id_family_table[][2] = {
{PCI_CHIP_RV280_5960, CHIP_FAMILY_RV280},
{PCI_CHIP_RV280_5961, CHIP_FAMILY_RV280},
{PCI_CHIP_RV280_5962, CHIP_FAMILY_RV280},
{PCI_CHIP_RV280_5964, CHIP_FAMILY_RV280},
{PCI_CHIP_RV370_5B60, CHIP_FAMILY_RV380},
{PCI_CHIP_RV380_5657, CHIP_FAMILY_RV380},
{PCI_CHIP_R420_554d, CHIP_FAMILY_R420},
{0, 0}
};
u16 get_radeon_id_family(u16 device)
{
int i;
for (i=0; ati_radeon_id_family_table[0][i]; i+=2)
if (ati_radeon_id_family_table[0][i] == device)
return ati_radeon_id_family_table[0][i + 1];
return 0;
}
struct radeonfb_info *rinfo;
static void radeon_identify_vram(struct radeonfb_info *rinfo)
{
u32 tmp;
/* framebuffer size */
if ((rinfo->family == CHIP_FAMILY_RS100) ||
(rinfo->family == CHIP_FAMILY_RS200) ||
(rinfo->family == CHIP_FAMILY_RS300)) {
u32 tom = INREG(NB_TOM);
tmp = ((((tom >> 16) - (tom & 0xffff) + 1) << 6) * 1024);
radeon_fifo_wait(6);
OUTREG(MC_FB_LOCATION, tom);
OUTREG(DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
OUTREG(CRTC2_DISPLAY_BASE_ADDR, (tom & 0xffff) << 16);
OUTREG(OV0_BASE_ADDR, (tom & 0xffff) << 16);
/* This is supposed to fix the crtc2 noise problem. */
OUTREG(GRPH2_BUFFER_CNTL, INREG(GRPH2_BUFFER_CNTL) & ~0x7f0000);
if ((rinfo->family == CHIP_FAMILY_RS100) ||
(rinfo->family == CHIP_FAMILY_RS200)) {
/* This is to workaround the asic bug for RMX, some versions
of BIOS dosen't have this register initialized correctly.
*/
OUTREGP(CRTC_MORE_CNTL, CRTC_H_CUTOFF_ACTIVE_EN,
~CRTC_H_CUTOFF_ACTIVE_EN);
}
} else {
tmp = INREG(CONFIG_MEMSIZE);
}
/* mem size is bits [28:0], mask off the rest */
rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
/*
* Hack to get around some busted production M6's
* reporting no ram
*/
if (rinfo->video_ram == 0) {
switch (rinfo->pdev.device) {
case PCI_CHIP_RADEON_LY:
case PCI_CHIP_RADEON_LZ:
rinfo->video_ram = 8192 * 1024;
break;
default:
break;
}
}
/*
* Now try to identify VRAM type
*/
if ((rinfo->family >= CHIP_FAMILY_R300) ||
(INREG(MEM_SDRAM_MODE_REG) & (1<<30)))
rinfo->vram_ddr = 1;
else
rinfo->vram_ddr = 0;
tmp = INREG(MEM_CNTL);
if (IS_R300_VARIANT(rinfo)) {
tmp &= R300_MEM_NUM_CHANNELS_MASK;
switch (tmp) {
case 0: rinfo->vram_width = 64; break;
case 1: rinfo->vram_width = 128; break;
case 2: rinfo->vram_width = 256; break;
default: rinfo->vram_width = 128; break;
}
} else if ((rinfo->family == CHIP_FAMILY_RV100) ||
(rinfo->family == CHIP_FAMILY_RS100) ||
(rinfo->family == CHIP_FAMILY_RS200)){
if (tmp & RV100_MEM_HALF_MODE)
rinfo->vram_width = 32;
else
rinfo->vram_width = 64;
} else {
if (tmp & MEM_NUM_CHANNELS_MASK)
rinfo->vram_width = 128;
else
rinfo->vram_width = 64;
}
/* This may not be correct, as some cards can have half of channel disabled
* ToDo: identify these cases
*/
DPRINT("radeonfb: Found %ldk of %s %d bits wide videoram\n",
rinfo->video_ram / 1024,
rinfo->vram_ddr ? "DDR" : "SDRAM",
rinfo->vram_width);
}
static void radeon_write_pll_regs(struct radeonfb_info *rinfo, struct radeon_regs *mode)
{
int i;
radeon_fifo_wait(20);
#if 0
/* Workaround from XFree */
if (rinfo->is_mobility) {
/* A temporal workaround for the occational blanking on certain laptop
* panels. This appears to related to the PLL divider registers
* (fail to lock?). It occurs even when all dividers are the same
* with their old settings. In this case we really don't need to
* fiddle with PLL registers. By doing this we can avoid the blanking
* problem with some panels.
*/
if ((mode->ppll_ref_div == (INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK)) &&
(mode->ppll_div_3 == (INPLL(PPLL_DIV_3) &
(PPLL_POST3_DIV_MASK | PPLL_FB3_DIV_MASK)))) {
/* We still have to force a switch to selected PPLL div thanks to
* an XFree86 driver bug which will switch it away in some cases
* even when using UseFDev */
OUTREGP(CLOCK_CNTL_INDEX,
mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
~PPLL_DIV_SEL_MASK);
radeon_pll_errata_after_index(rinfo);
radeon_pll_errata_after_data(rinfo);
return;
}
}
#endif
if(rinfo->pdev.device == PCI_CHIP_RV370_5B60) return;
/* Swich VCKL clock input to CPUCLK so it stays fed while PPLL updates*/
OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_CPUCLK, ~VCLK_SRC_SEL_MASK);
/* Reset PPLL & enable atomic update */
OUTPLLP(PPLL_CNTL,
PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN,
~(PPLL_RESET | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
/* Switch to selected PPLL divider */
OUTREGP(CLOCK_CNTL_INDEX,
mode->clk_cntl_index & PPLL_DIV_SEL_MASK,
~PPLL_DIV_SEL_MASK);
/* Set PPLL ref. div */
if (rinfo->family == CHIP_FAMILY_R300 ||
rinfo->family == CHIP_FAMILY_RS300 ||
rinfo->family == CHIP_FAMILY_R350 ||
rinfo->family == CHIP_FAMILY_RV350) {
if (mode->ppll_ref_div & R300_PPLL_REF_DIV_ACC_MASK) {
/* When restoring console mode, use saved PPLL_REF_DIV
* setting.
*/
OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, 0);
} else {
/* R300 uses ref_div_acc field as real ref divider */
OUTPLLP(PPLL_REF_DIV,
(mode->ppll_ref_div << R300_PPLL_REF_DIV_ACC_SHIFT),
~R300_PPLL_REF_DIV_ACC_MASK);
}
} else
OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
/* Set PPLL divider 3 & post divider*/
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
/* Write update */
while (INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R)
;
OUTPLLP(PPLL_REF_DIV, PPLL_ATOMIC_UPDATE_W, ~PPLL_ATOMIC_UPDATE_W);
/* Wait read update complete */
/* FIXME: Certain revisions of R300 can't recover here. Not sure of
the cause yet, but this workaround will mask the problem for now.
Other chips usually will pass at the very first test, so the
workaround shouldn't have any effect on them. */
for (i = 0; (i < 10000 && INPLL(PPLL_REF_DIV) & PPLL_ATOMIC_UPDATE_R); i++)
;
OUTPLL(HTOTAL_CNTL, 0);
/* Clear reset & atomic update */
OUTPLLP(PPLL_CNTL, 0,
~(PPLL_RESET | PPLL_SLEEP | PPLL_ATOMIC_UPDATE_EN | PPLL_VGA_ATOMIC_UPDATE_EN));
/* We may want some locking ... oh well */
udelay(5000);
/* Switch back VCLK source to PPLL */
OUTPLLP(VCLK_ECP_CNTL, VCLK_SRC_SEL_PPLLCLK, ~VCLK_SRC_SEL_MASK);
}
typedef struct {
u16 reg;
u32 val;
} reg_val;
/* these common regs are cleared before mode setting so they do not
* interfere with anything
*/
static reg_val common_regs[] = {
{ OVR_CLR, 0 },
{ OVR_WID_LEFT_RIGHT, 0 },
{ OVR_WID_TOP_BOTTOM, 0 },
{ OV0_SCALE_CNTL, 0 },
{ SUBPIC_CNTL, 0 },
{ VIPH_CONTROL, 0 },
{ I2C_CNTL_1, 0 },
{ GEN_INT_CNTL, 0 },
{ CAP0_TRIG_CNTL, 0 },
{ CAP1_TRIG_CNTL, 0 },
};
void radeon_setmode(void)
{
int i;
struct radeon_regs *mode = malloc(sizeof(struct radeon_regs));
mode->crtc_gen_cntl = 0x03000200;
mode->crtc_ext_cntl = 0x00008048;
mode->dac_cntl = 0xff002100;
mode->crtc_h_total_disp = 0x4f0063;
mode->crtc_h_sync_strt_wid = 0x8c02a2;
mode->crtc_v_total_disp = 0x01df020c;
mode->crtc_v_sync_strt_wid = 0x8201ea;
mode->crtc_pitch = 0x00500050;
OUTREG(CRTC_GEN_CNTL, mode->crtc_gen_cntl);
OUTREGP(CRTC_EXT_CNTL, mode->crtc_ext_cntl,
~(CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS));
OUTREGP(DAC_CNTL, mode->dac_cntl, DAC_RANGE_CNTL | DAC_BLANKING);
OUTREG(CRTC_H_TOTAL_DISP, mode->crtc_h_total_disp);
OUTREG(CRTC_H_SYNC_STRT_WID, mode->crtc_h_sync_strt_wid);
OUTREG(CRTC_V_TOTAL_DISP, mode->crtc_v_total_disp);
OUTREG(CRTC_V_SYNC_STRT_WID, mode->crtc_v_sync_strt_wid);
OUTREG(CRTC_OFFSET, 0);
OUTREG(CRTC_OFFSET_CNTL, 0);
OUTREG(CRTC_PITCH, mode->crtc_pitch);
mode->clk_cntl_index = 0x300;
mode->ppll_ref_div = 0xc;
mode->ppll_div_3 = 0x00030059;
radeon_write_pll_regs(rinfo, mode);
}
int radeon_probe(struct radeonfb_info *rinfo)
{
pci_dev_t pdev;
u16 did;
pdev = pci_find_devices(ati_radeon_pci_ids, 0);
if (pdev != -1) {
pci_read_config_word(pdev, PCI_DEVICE_ID, &did);
printf("ATI Radeon video card (%04x, %04x) found @(%d:%d:%d)\n",
PCI_VENDOR_ID_ATI, did, (pdev >> 16) & 0xff,
(pdev >> 11) & 0x1f, (pdev >> 8) & 0x7);
strcpy(rinfo->name, "ATI Radeon");
rinfo->pdev.vendor = PCI_VENDOR_ID_ATI;
rinfo->pdev.device = did;
rinfo->family = get_radeon_id_family(rinfo->pdev.device);
pci_read_config_dword(pdev, PCI_BASE_ADDRESS_0,
&rinfo->fb_base_phys);
pci_read_config_dword(pdev, PCI_BASE_ADDRESS_2,
&rinfo->mmio_base_phys);
rinfo->fb_base_phys &= 0xfffff000;
rinfo->mmio_base_phys &= ~0x04;
rinfo->mmio_base = (void *)rinfo->mmio_base_phys;
DPRINT("rinfo->mmio_base = 0x%x\n",rinfo->mmio_base);
rinfo->fb_local_base = INREG(MC_FB_LOCATION) << 16;
DPRINT("rinfo->fb_local_base = 0x%x\n",rinfo->fb_local_base);
/* PostBIOS with x86 emulater */
BootVideoCardBIOS(pdev, NULL, 0);
/*
* Check for errata
* (These will be added in the future for the chipfamily
* R300, RV200, RS200, RV100, RS100.)
*/
/* Get VRAM size and type */
radeon_identify_vram(rinfo);
rinfo->mapped_vram = min_t(unsigned long, MAX_MAPPED_VRAM,
rinfo->video_ram);
rinfo->fb_base = (void *)rinfo->fb_base_phys;
DPRINT("Radeon: framebuffer base phy address 0x%08x," \
"MMIO base phy address 0x%08x," \
"framebuffer local base 0x%08x.\n ",
rinfo->fb_base_phys, rinfo->mmio_base_phys,
rinfo->fb_local_base);
return 0;
}
return -1;
}
/*
* The Graphic Device
*/
GraphicDevice ctfb;
#define CURSOR_SIZE 0x1000 /* in KByte for HW Cursor */
#define PATTERN_ADR (pGD->dprBase + CURSOR_SIZE) /* pattern Memory after Cursor Memory */
#define PATTERN_SIZE 8*8*4 /* 4 Bytes per Pixel 8 x 8 Pixel */
#define ACCELMEMORY (CURSOR_SIZE + PATTERN_SIZE) /* reserved Memory for BITBlt and hw cursor */
void *video_hw_init(void)
{
GraphicDevice *pGD = (GraphicDevice *) & ctfb;
int i;
u32 *vm;
rinfo = malloc(sizeof(struct radeonfb_info));
if(radeon_probe(rinfo)) {
printf("No radeon video card found!\n");
return NULL;
}
/* fill in Graphic device struct */
sprintf (pGD->modeIdent, "%dx%dx%d %ldkHz %ldHz", 640,
480, 16, (1000 / 1000),
(2000 / 1000));
printf ("%s\n", pGD->modeIdent);
pGD->winSizeX = 640;
pGD->winSizeY = 480;
pGD->plnSizeX = 640;
pGD->plnSizeY = 480;
pGD->gdfBytesPP = 1;
pGD->gdfIndex = GDF__8BIT_INDEX;
pGD->isaBase = CFG_ISA_IO_BASE_ADDRESS;
pGD->pciBase = rinfo->fb_base_phys;
pGD->frameAdrs = rinfo->fb_base_phys;
pGD->memSize = 64 * 1024 * 1024;
/* Cursor Start Address */
pGD->dprBase =
(pGD->winSizeX * pGD->winSizeY * pGD->gdfBytesPP) + rinfo->fb_base_phys;
if ((pGD->dprBase & 0x0fff) != 0) {
/* allign it */
pGD->dprBase &= 0xfffff000;
pGD->dprBase += 0x00001000;
}
DPRINT ("Cursor Start %x Pattern Start %x\n", pGD->dprBase,
PATTERN_ADR);
pGD->vprBase = rinfo->fb_base_phys; /* Dummy */
pGD->cprBase = rinfo->fb_base_phys; /* Dummy */
/* set up Hardware */
/* Clear video memory */
i = pGD->memSize / 4;
vm = (unsigned int *) pGD->pciBase;
while (i--)
*vm++ = 0;
/*SetDrawingEngine (bits_per_pixel);*/
radeon_setmode();
return ((void *) pGD);
}
void video_set_lut (unsigned int index, /* color number */
unsigned char r, /* red */
unsigned char g, /* green */
unsigned char b /* blue */
)
{
OUTREG(PALETTE_INDEX, index);
OUTREG(PALETTE_DATA, (r << 16) | (g << 8) | b);
}
#endif

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#ifndef __ATI_RADEON_FB_H
#define __ATI_RADEON_FB_H
/***************************************************************
* Most of the definitions here are adapted right from XFree86 *
***************************************************************/
/*
* Chip families. Must fit in the low 16 bits of a long word
*/
enum radeon_family {
CHIP_FAMILY_UNKNOW,
CHIP_FAMILY_LEGACY,
CHIP_FAMILY_RADEON,
CHIP_FAMILY_RV100,
CHIP_FAMILY_RS100, /* U1 (IGP320M) or A3 (IGP320)*/
CHIP_FAMILY_RV200,
CHIP_FAMILY_RS200, /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350),
RS250 (IGP 7000) */
CHIP_FAMILY_R200,
CHIP_FAMILY_RV250,
CHIP_FAMILY_RS300, /* Radeon 9000 IGP */
CHIP_FAMILY_RV280,
CHIP_FAMILY_R300,
CHIP_FAMILY_R350,
CHIP_FAMILY_RV350,
CHIP_FAMILY_RV380, /* RV370/RV380/M22/M24 */
CHIP_FAMILY_R420, /* R420/R423/M18 */
CHIP_FAMILY_LAST,
};
#define IS_RV100_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_RV100) || \
((rinfo)->family == CHIP_FAMILY_RV200) || \
((rinfo)->family == CHIP_FAMILY_RS100) || \
((rinfo)->family == CHIP_FAMILY_RS200) || \
((rinfo)->family == CHIP_FAMILY_RV250) || \
((rinfo)->family == CHIP_FAMILY_RV280) || \
((rinfo)->family == CHIP_FAMILY_RS300))
#define IS_R300_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_R300) || \
((rinfo)->family == CHIP_FAMILY_RV350) || \
((rinfo)->family == CHIP_FAMILY_R350) || \
((rinfo)->family == CHIP_FAMILY_RV380) || \
((rinfo)->family == CHIP_FAMILY_R420))
struct radeonfb_info {
char name[20];
struct pci_device_id pdev;
u16 family;
u32 fb_base_phys;
u32 mmio_base_phys;
void *mmio_base;
void *fb_base;
u32 video_ram;
u32 mapped_vram;
int vram_width;
int vram_ddr;
u32 fb_local_base;
};
#define INREG8(addr) readb((rinfo->mmio_base)+addr)
#define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr)
#define INREG16(addr) readw((rinfo->mmio_base)+addr)
#define OUTREG16(addr,val) writew(val, (rinfo->mmio_base)+addr)
#define INREG(addr) readl((rinfo->mmio_base)+addr)
#define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr)
static inline void _OUTREGP(struct radeonfb_info *rinfo, u32 addr,
u32 val, u32 mask)
{
unsigned int tmp;
tmp = INREG(addr);
tmp &= (mask);
tmp |= (val);
OUTREG(addr, tmp);
}
#define OUTREGP(addr,val,mask) _OUTREGP(rinfo, addr, val,mask)
/*
* 2D Engine helper routines
*/
static inline void radeon_engine_flush (struct radeonfb_info *rinfo)
{
int i;
/* initiate flush */
OUTREGP(RB2D_DSTCACHE_CTLSTAT, RB2D_DC_FLUSH_ALL,
~RB2D_DC_FLUSH_ALL);
for (i=0; i < 2000000; i++) {
if (!(INREG(RB2D_DSTCACHE_CTLSTAT) & RB2D_DC_BUSY))
return;
udelay(1);
}
printf("radeonfb: Flush Timeout !\n");
}
static inline void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries)
{
int i;
for (i=0; i<2000000; i++) {
if ((INREG(RBBM_STATUS) & 0x7f) >= entries)
return;
udelay(1);
}
printf("radeonfb: FIFO Timeout !\n");
}
static inline void _radeon_engine_idle(struct radeonfb_info *rinfo)
{
int i;
/* ensure FIFO is empty before waiting for idle */
_radeon_fifo_wait (rinfo, 64);
for (i=0; i<2000000; i++) {
if (((INREG(RBBM_STATUS) & GUI_ACTIVE)) == 0) {
radeon_engine_flush (rinfo);
return;
}
udelay(1);
}
printf("radeonfb: Idle Timeout !\n");
}
#define radeon_engine_idle() _radeon_engine_idle(rinfo)
#define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries)
#define radeon_msleep(ms) _radeon_msleep(rinfo,ms)
/*
* This structure contains the various registers manipulated by this
* driver for setting or restoring a mode. It's mostly copied from
* XFree's RADEONSaveRec structure. A few chip settings might still be
* tweaked without beeing reflected or saved in these registers though
*/
struct radeon_regs {
/* Common registers */
u32 ovr_clr;
u32 ovr_wid_left_right;
u32 ovr_wid_top_bottom;
u32 ov0_scale_cntl;
u32 mpp_tb_config;
u32 mpp_gp_config;
u32 subpic_cntl;
u32 viph_control;
u32 i2c_cntl_1;
u32 gen_int_cntl;
u32 cap0_trig_cntl;
u32 cap1_trig_cntl;
u32 bus_cntl;
u32 surface_cntl;
u32 bios_5_scratch;
/* Other registers to save for VT switches or driver load/unload */
u32 dp_datatype;
u32 rbbm_soft_reset;
u32 clock_cntl_index;
u32 amcgpio_en_reg;
u32 amcgpio_mask;
/* Surface/tiling registers */
u32 surf_lower_bound[8];
u32 surf_upper_bound[8];
u32 surf_info[8];
/* CRTC registers */
u32 crtc_gen_cntl;
u32 crtc_ext_cntl;
u32 dac_cntl;
u32 crtc_h_total_disp;
u32 crtc_h_sync_strt_wid;
u32 crtc_v_total_disp;
u32 crtc_v_sync_strt_wid;
u32 crtc_offset;
u32 crtc_offset_cntl;
u32 crtc_pitch;
u32 disp_merge_cntl;
u32 grph_buffer_cntl;
u32 crtc_more_cntl;
/* CRTC2 registers */
u32 crtc2_gen_cntl;
u32 dac2_cntl;
u32 disp_output_cntl;
u32 disp_hw_debug;
u32 disp2_merge_cntl;
u32 grph2_buffer_cntl;
u32 crtc2_h_total_disp;
u32 crtc2_h_sync_strt_wid;
u32 crtc2_v_total_disp;
u32 crtc2_v_sync_strt_wid;
u32 crtc2_offset;
u32 crtc2_offset_cntl;
u32 crtc2_pitch;
/* Flat panel regs */
u32 fp_crtc_h_total_disp;
u32 fp_crtc_v_total_disp;
u32 fp_gen_cntl;
u32 fp2_gen_cntl;
u32 fp_h_sync_strt_wid;
u32 fp2_h_sync_strt_wid;
u32 fp_horz_stretch;
u32 fp_panel_cntl;
u32 fp_v_sync_strt_wid;
u32 fp2_v_sync_strt_wid;
u32 fp_vert_stretch;
u32 lvds_gen_cntl;
u32 lvds_pll_cntl;
u32 tmds_crc;
u32 tmds_transmitter_cntl;
/* Computed values for PLL */
u32 dot_clock_freq;
int feedback_div;
int post_div;
/* PLL registers */
u32 ppll_div_3;
u32 ppll_ref_div;
u32 vclk_ecp_cntl;
u32 clk_cntl_index;
/* Computed values for PLL2 */
u32 dot_clock_freq_2;
int feedback_div_2;
int post_div_2;
/* PLL2 registers */
u32 p2pll_ref_div;
u32 p2pll_div_0;
u32 htotal_cntl2;
/* Palette */
int palette_valid;
};
static inline u32 __INPLL(struct radeonfb_info *rinfo, u32 addr)
{
u32 data;
OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
//radeon_pll_errata_after_index(rinfo);
data = INREG(CLOCK_CNTL_DATA);
//radeon_pll_errata_after_data(rinfo);
return data;
}
static inline void __OUTPLL(struct radeonfb_info *rinfo, unsigned int index,
u32 val)
{
OUTREG8(CLOCK_CNTL_INDEX, (index & 0x0000003f) | 0x00000080);
//radeon_pll_errata_after_index(rinfo);
OUTREG(CLOCK_CNTL_DATA, val);
//radeon_pll_errata_after_data(rinfo);
}
static inline void __OUTPLLP(struct radeonfb_info *rinfo, unsigned int index,
u32 val, u32 mask)
{
unsigned int tmp;
tmp = __INPLL(rinfo, index);
tmp &= (mask);
tmp |= (val);
__OUTPLL(rinfo, index, tmp);
}
#define INPLL(addr) __INPLL(rinfo, addr)
#define OUTPLL(index, val) __OUTPLL(rinfo, index, val)
#define OUTPLLP(index, val, mask) __OUTPLLP(rinfo, index, val, mask)
#endif

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