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Commit 39451a73 authored by Michael Hanselmann's avatar Michael Hanselmann Committed by Linus Torvalds
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[PATCH] fbdev: Remove old radeon driver 

This patch removes the old radeon driver which has been replaced by a
newer one.
Signed-off-by: default avatarMichael Hanselmann <linux-kernel@hansmi.ch>
Acked-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
Acked-by: default avatarAntonino Daplas <adaplas@pol.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent a536093a
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drivers/video/Kconfig
View file @ 39451a73
...@@ -904,18 +904,6 @@ config FB_MATROX_MULTIHEAD ...@@ -904,18 +904,6 @@ config FB_MATROX_MULTIHEAD
There is no need for enabling 'Matrox multihead support' if you have There is no need for enabling 'Matrox multihead support' if you have
only one Matrox card in the box. only one Matrox card in the box.
config FB_RADEON_OLD
tristate "ATI Radeon display support (Old driver)"
depends on FB && PCI
select FB_CFB_FILLRECT
select FB_CFB_COPYAREA
select FB_CFB_IMAGEBLIT
select FB_MACMODES if PPC
help
Choose this option if you want to use an ATI Radeon graphics card as
a framebuffer device. There are both PCI and AGP versions. You
don't need to choose this to run the Radeon in plain VGA mode.
config FB_RADEON config FB_RADEON
tristate "ATI Radeon display support" tristate "ATI Radeon display support"
depends on FB && PCI depends on FB && PCI
......
drivers/video/Makefile
View file @ 39451a73
...@@ -39,7 +39,6 @@ obj-$(CONFIG_FB_KYRO) += kyro/ ...@@ -39,7 +39,6 @@ obj-$(CONFIG_FB_KYRO) += kyro/
obj-$(CONFIG_FB_SAVAGE) += savage/ obj-$(CONFIG_FB_SAVAGE) += savage/
obj-$(CONFIG_FB_GEODE) += geode/ obj-$(CONFIG_FB_GEODE) += geode/
obj-$(CONFIG_FB_I810) += vgastate.o obj-$(CONFIG_FB_I810) += vgastate.o
obj-$(CONFIG_FB_RADEON_OLD) += radeonfb.o
obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o obj-$(CONFIG_FB_NEOMAGIC) += neofb.o vgastate.o
obj-$(CONFIG_FB_VIRGE) += virgefb.o obj-$(CONFIG_FB_VIRGE) += virgefb.o
obj-$(CONFIG_FB_3DFX) += tdfxfb.o obj-$(CONFIG_FB_3DFX) += tdfxfb.o
......
drivers/video/radeonfb.c deleted 100644 → 0
View file @ a536093a
/*
* drivers/video/radeonfb.c
* framebuffer driver for ATI Radeon chipset video boards
*
* Copyright 2000 Ani Joshi <ajoshi@kernel.crashing.org>
*
*
* ChangeLog:
* 2000-08-03 initial version 0.0.1
* 2000-09-10 more bug fixes, public release 0.0.5
* 2001-02-19 mode bug fixes, 0.0.7
* 2001-07-05 fixed scrolling issues, engine initialization,
* and minor mode tweaking, 0.0.9
* 2001-09-07 Radeon VE support, Nick Kurshev
* blanking, pan_display, and cmap fixes, 0.1.0
* 2001-10-10 Radeon 7500 and 8500 support, and experimental
* flat panel support, 0.1.1
* 2001-11-17 Radeon M6 (ppc) support, Daniel Berlin, 0.1.2
* 2001-11-18 DFP fixes, Kevin Hendricks, 0.1.3
* 2001-11-29 more cmap, backlight fixes, Benjamin Herrenschmidt
* 2002-01-18 DFP panel detection via BIOS, Michael Clark, 0.1.4
* 2002-06-02 console switching, mode set fixes, accel fixes
* 2002-06-03 MTRR support, Peter Horton, 0.1.5
* 2002-09-21 rv250, r300, m9 initial support,
* added mirror option, 0.1.6
*
* Special thanks to ATI DevRel team for their hardware donations.
*
*/
#define RADEON_VERSION "0.1.6"
#include <linux/config.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/vmalloc.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#if defined(__powerpc__)
#include <asm/prom.h>
#include <asm/pci-bridge.h>
#include "macmodes.h"
#ifdef CONFIG_NVRAM
#include <linux/nvram.h>
#endif
#ifdef CONFIG_PMAC_BACKLIGHT
#include <asm/backlight.h>
#endif
#ifdef CONFIG_BOOTX_TEXT
#include <asm/btext.h>
#endif
#ifdef CONFIG_ADB_PMU
#include <linux/adb.h>
#include <linux/pmu.h>
#endif
#endif /* __powerpc__ */
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
#include <video/radeon.h>
#include <linux/radeonfb.h>
#define DEBUG 0
#if DEBUG
#define RTRACE printk
#else
#define RTRACE if(0) printk
#endif
// XXX
#undef CONFIG_PMAC_PBOOK
enum radeon_chips {
RADEON_QD,
RADEON_QE,
RADEON_QF,
RADEON_QG,
RADEON_QY,
RADEON_QZ,
RADEON_LW,
RADEON_LX,
RADEON_LY,
RADEON_LZ,
RADEON_QL,
RADEON_QN,
RADEON_QO,
RADEON_Ql,
RADEON_BB,
RADEON_QW,
RADEON_QX,
RADEON_Id,
RADEON_Ie,
RADEON_If,
RADEON_Ig,
RADEON_Ya,
RADEON_Yd,
RADEON_Ld,
RADEON_Le,
RADEON_Lf,
RADEON_Lg,
RADEON_ND,
RADEON_NE,
RADEON_NF,
RADEON_NG,
RADEON_QM
};
enum radeon_arch {
RADEON_R100,
RADEON_RV100,
RADEON_R200,
RADEON_RV200,
RADEON_RV250,
RADEON_R300,
RADEON_M6,
RADEON_M7,
RADEON_M9
};
static struct radeon_chip_info {
const char *name;
unsigned char arch;
} radeon_chip_info[] __devinitdata = {
{ "QD", RADEON_R100 },
{ "QE", RADEON_R100 },
{ "QF", RADEON_R100 },
{ "QG", RADEON_R100 },
{ "VE QY", RADEON_RV100 },
{ "VE QZ", RADEON_RV100 },
{ "M7 LW", RADEON_M7 },
{ "M7 LX", RADEON_M7 },
{ "M6 LY", RADEON_M6 },
{ "M6 LZ", RADEON_M6 },
{ "8500 QL", RADEON_R200 },
{ "8500 QN", RADEON_R200 },
{ "8500 QO", RADEON_R200 },
{ "8500 Ql", RADEON_R200 },
{ "8500 BB", RADEON_R200 },
{ "7500 QW", RADEON_RV200 },
{ "7500 QX", RADEON_RV200 },
{ "9000 Id", RADEON_RV250 },
{ "9000 Ie", RADEON_RV250 },
{ "9000 If", RADEON_RV250 },
{ "9000 Ig", RADEON_RV250 },
{ "M9 Ld", RADEON_M9 },
{ "M9 Le", RADEON_M9 },
{ "M9 Lf", RADEON_M9 },
{ "M9 Lg", RADEON_M9 },
{ "9700 ND", RADEON_R300 },
{ "9700 NE", RADEON_R300 },
{ "9700 NF", RADEON_R300 },
{ "9700 NG", RADEON_R300 },
{ "9100 QM", RADEON_R200 }
};
enum radeon_montype
{
MT_NONE,
MT_CRT, /* CRT */
MT_LCD, /* LCD */
MT_DFP, /* DVI */
MT_CTV, /* composite TV */
MT_STV /* S-Video out */
};
static struct pci_device_id radeonfb_pci_table[] = {
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QD},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QE},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QF},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QG, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QG},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QY},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QZ},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LW},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LX},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LY},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_LZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LZ},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QL, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QL},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QN, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QN},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QO, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QO},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ql, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ql},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_BB, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_BB},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QW},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QX, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QX},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Id, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Id},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ie, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ie},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_If, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_If},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ig, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ig},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ya, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ya},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Yd, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Yd},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Ld, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Ld},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Le, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Le},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Lf, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Lf},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_Lg, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_Lg},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_ND, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_ND},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NE},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NF},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_NG, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_NG},
{ PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_ATI_RADEON_QM, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QM},
{ 0, }
};
MODULE_DEVICE_TABLE(pci, radeonfb_pci_table);
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 },
};
static reg_val common_regs_m6[] = {
{ OVR_CLR, 0 },
{ OVR_WID_LEFT_RIGHT, 0 },
{ OVR_WID_TOP_BOTTOM, 0 },
{ OV0_SCALE_CNTL, 0 },
{ SUBPIC_CNTL, 0 },
{ GEN_INT_CNTL, 0 },
{ CAP0_TRIG_CNTL, 0 }
};
typedef struct {
u8 clock_chip_type;
u8 struct_size;
u8 accelerator_entry;
u8 VGA_entry;
u16 VGA_table_offset;
u16 POST_table_offset;
u16 XCLK;
u16 MCLK;
u8 num_PLL_blocks;
u8 size_PLL_blocks;
u16 PCLK_ref_freq;
u16 PCLK_ref_divider;
u32 PCLK_min_freq;
u32 PCLK_max_freq;
u16 MCLK_ref_freq;
u16 MCLK_ref_divider;
u32 MCLK_min_freq;
u32 MCLK_max_freq;
u16 XCLK_ref_freq;
u16 XCLK_ref_divider;
u32 XCLK_min_freq;
u32 XCLK_max_freq;
} __attribute__ ((packed)) PLL_BLOCK;
struct pll_info {
int ppll_max;
int ppll_min;
int xclk;
int ref_div;
int ref_clk;
};
struct ram_info {
int ml;
int mb;
int trcd;
int trp;
int twr;
int cl;
int tr2w;
int loop_latency;
int rloop;
};
struct radeon_regs {
/* CRTC regs */
u32 crtc_h_total_disp;
u32 crtc_h_sync_strt_wid;
u32 crtc_v_total_disp;
u32 crtc_v_sync_strt_wid;
u32 crtc_pitch;
u32 crtc_gen_cntl;
u32 crtc_ext_cntl;
u32 dac_cntl;
u32 flags;
u32 pix_clock;
int xres, yres;
/* DDA regs */
u32 dda_config;
u32 dda_on_off;
/* PLL regs */
u32 ppll_div_3;
u32 ppll_ref_div;
u32 vclk_ecp_cntl;
/* Flat panel regs */
u32 fp_crtc_h_total_disp;
u32 fp_crtc_v_total_disp;
u32 fp_gen_cntl;
u32 fp_h_sync_strt_wid;
u32 fp_horz_stretch;
u32 fp_panel_cntl;
u32 fp_v_sync_strt_wid;
u32 fp_vert_stretch;
u32 lvds_gen_cntl;
u32 lvds_pll_cntl;
u32 tmds_crc;
u32 tmds_transmitter_cntl;
#if defined(__BIG_ENDIAN)
u32 surface_cntl;
#endif
};
struct radeonfb_info {
struct fb_info info;
struct radeon_regs state;
struct radeon_regs init_state;
char name[32];
char ram_type[12];
unsigned long mmio_base_phys;
unsigned long fb_base_phys;
void __iomem *mmio_base;
void __iomem *fb_base;
struct pci_dev *pdev;
unsigned char *EDID;
unsigned char __iomem *bios_seg;
u32 pseudo_palette[17];
struct { u8 red, green, blue, pad; } palette[256];
int chipset;
unsigned char arch;
int video_ram;
u8 rev;
int pitch, bpp, depth;
int xres, yres, pixclock;
int xres_virtual, yres_virtual;
u32 accel_flags;
int use_default_var;
int got_dfpinfo;
int hasCRTC2;
int crtDisp_type;
int dviDisp_type;
int panel_xres, panel_yres;
int clock;
int hOver_plus, hSync_width, hblank;
int vOver_plus, vSync_width, vblank;
int hAct_high, vAct_high, interlaced;
int synct, misc;
u32 dp_gui_master_cntl;
struct pll_info pll;
int pll_output_freq, post_div, fb_div;
struct ram_info ram;
int mtrr_hdl;
#ifdef CONFIG_PMAC_PBOOK
int pm_reg;
u32 save_regs[64];
u32 mdll, mdll2;
#endif /* CONFIG_PMAC_PBOOK */
int asleep;
struct radeonfb_info *next;
};
static struct fb_var_screeninfo radeonfb_default_var = {
640, 480, 640, 480, 0, 0, 8, 0,
{0, 6, 0}, {0, 6, 0}, {0, 6, 0}, {0, 0, 0},
0, 0, -1, -1, 0, 39721, 40, 24, 32, 11, 96, 2,
0, FB_VMODE_NONINTERLACED
};
/*
* IO macros
*/
#define INREG8(addr) readb((rinfo->mmio_base)+addr)
#define OUTREG8(addr,val) writeb(val, (rinfo->mmio_base)+addr)
#define INREG(addr) readl((rinfo->mmio_base)+addr)
#define OUTREG(addr,val) writel(val, (rinfo->mmio_base)+addr)
#define OUTPLL(addr,val) \
do { \
OUTREG8(CLOCK_CNTL_INDEX, (addr & 0x0000003f) | 0x00000080); \
OUTREG(CLOCK_CNTL_DATA, val); \
} while(0)
#define OUTPLLP(addr,val,mask) \
do { \
unsigned int _tmp = INPLL(addr); \
_tmp &= (mask); \
_tmp |= (val); \
OUTPLL(addr, _tmp); \
} while (0)
#define OUTREGP(addr,val,mask) \
do { \
unsigned int _tmp = INREG(addr); \
_tmp &= (mask); \
_tmp |= (val); \
OUTREG(addr, _tmp); \
} while (0)
static __inline__ u32 _INPLL(struct radeonfb_info *rinfo, u32 addr)
{
OUTREG8(CLOCK_CNTL_INDEX, addr & 0x0000003f);
return (INREG(CLOCK_CNTL_DATA));
}
#define INPLL(addr) _INPLL(rinfo, addr)
#define PRIMARY_MONITOR(rinfo) ((rinfo->dviDisp_type != MT_NONE) && \
(rinfo->dviDisp_type != MT_STV) && \
(rinfo->dviDisp_type != MT_CTV) ? \
rinfo->dviDisp_type : rinfo->crtDisp_type)
static char *GET_MON_NAME(int type)
{
char *pret = NULL;
switch (type) {
case MT_NONE:
pret = "no";
break;
case MT_CRT:
pret = "CRT";
break;
case MT_DFP:
pret = "DFP";
break;
case MT_LCD:
pret = "LCD";
break;
case MT_CTV:
pret = "CTV";
break;
case MT_STV:
pret = "STV";
break;
}
return pret;
}
/*
* 2D engine 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))
break;
}
}
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;
}
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;
}
}
}
#define radeon_engine_idle() _radeon_engine_idle(rinfo)
#define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries)
/*
* helper routines
*/
static __inline__ u32 radeon_get_dstbpp(u16 depth)
{
switch (depth) {
case 8:
return DST_8BPP;
case 15:
return DST_15BPP;
case 16:
return DST_16BPP;
case 32:
return DST_32BPP;
default:
return 0;
}
}
static inline int var_to_depth(const struct fb_var_screeninfo *var)
{
if (var->bits_per_pixel != 16)
return var->bits_per_pixel;
return (var->green.length == 6) ? 16 : 15;
}
static void _radeon_engine_reset(struct radeonfb_info *rinfo)
{
u32 clock_cntl_index, mclk_cntl, rbbm_soft_reset;
radeon_engine_flush (rinfo);
clock_cntl_index = INREG(CLOCK_CNTL_INDEX);
mclk_cntl = INPLL(MCLK_CNTL);
OUTPLL(MCLK_CNTL, (mclk_cntl |
FORCEON_MCLKA |
FORCEON_MCLKB |
FORCEON_YCLKA |
FORCEON_YCLKB |
FORCEON_MC |
FORCEON_AIC));
rbbm_soft_reset = INREG(RBBM_SOFT_RESET);
OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset |
SOFT_RESET_CP |
SOFT_RESET_HI |
SOFT_RESET_SE |
SOFT_RESET_RE |
SOFT_RESET_PP |
SOFT_RESET_E2 |
SOFT_RESET_RB);
INREG(RBBM_SOFT_RESET);
OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset & (u32)
~(SOFT_RESET_CP |
SOFT_RESET_HI |
SOFT_RESET_SE |
SOFT_RESET_RE |
SOFT_RESET_PP |
SOFT_RESET_E2 |
SOFT_RESET_RB));
INREG(RBBM_SOFT_RESET);
OUTPLL(MCLK_CNTL, mclk_cntl);
OUTREG(CLOCK_CNTL_INDEX, clock_cntl_index);
OUTREG(RBBM_SOFT_RESET, rbbm_soft_reset);
return;
}
#define radeon_engine_reset() _radeon_engine_reset(rinfo)
static __inline__ int round_div(int num, int den)
{
return (num + (den / 2)) / den;
}
static __inline__ int min_bits_req(int val)
{
int bits_req = 0;
if (val == 0)
bits_req = 1;
while (val) {
val >>= 1;
bits_req++;
}
return (bits_req);
}
static __inline__ int _max(int val1, int val2)
{
if (val1 >= val2)
return val1;
else
return val2;
}
/*
* globals
*/
#ifndef MODULE
static char *mode_option;
#endif
static char noaccel = 0;
static char mirror = 0;
static int panel_yres = 0;
static char force_dfp = 0;
static struct radeonfb_info *board_list = NULL;
static char nomtrr = 0;
/*
* prototypes
*/
static void radeon_save_state (struct radeonfb_info *rinfo,
struct radeon_regs *save);
static void radeon_engine_init (struct radeonfb_info *rinfo);
static void radeon_write_mode (struct radeonfb_info *rinfo,
struct radeon_regs *mode);
static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo);
static int __devinit radeon_init_disp (struct radeonfb_info *rinfo);
static int radeon_init_disp_var (struct radeonfb_info *rinfo, struct fb_var_screeninfo *var);
static void __iomem *radeon_find_rom(struct radeonfb_info *rinfo);
static void radeon_get_pllinfo(struct radeonfb_info *rinfo, void __iomem *bios_seg);
static void radeon_get_moninfo (struct radeonfb_info *rinfo);
static int radeon_get_dfpinfo (struct radeonfb_info *rinfo);
static int radeon_get_dfpinfo_BIOS(struct radeonfb_info *rinfo);
static void radeon_get_EDID(struct radeonfb_info *rinfo);
static int radeon_dfp_parse_EDID(struct radeonfb_info *rinfo);
static void radeon_update_default_var(struct radeonfb_info *rinfo);
#ifdef CONFIG_PPC_OF
static int radeon_read_OF (struct radeonfb_info *rinfo);
static int radeon_get_EDID_OF(struct radeonfb_info *rinfo);
extern struct device_node *pci_device_to_OF_node(struct pci_dev *dev);
#ifdef CONFIG_PMAC_PBOOK
int radeon_sleep_notify(struct pmu_sleep_notifier *self, int when);
static struct pmu_sleep_notifier radeon_sleep_notifier = {
radeon_sleep_notify, SLEEP_LEVEL_VIDEO,
};
#endif /* CONFIG_PMAC_PBOOK */
#ifdef CONFIG_PMAC_BACKLIGHT
static int radeon_set_backlight_enable(int on, int level, void *data);
static int radeon_set_backlight_level(int level, void *data);
static struct backlight_controller radeon_backlight_controller = {
radeon_set_backlight_enable,
radeon_set_backlight_level
};
#endif /* CONFIG_PMAC_BACKLIGHT */
#endif /* CONFIG_PPC_OF */
static void __iomem *radeon_find_rom(struct radeonfb_info *rinfo)
{
#if defined(__i386__)
u32 segstart;
char __iomem *rom_base;
char __iomem *rom;
int stage;
int i,j;
char aty_rom_sig[] = "761295520";
char *radeon_sig[] = {
"RG6",
"RADEON"
};
for(segstart=0x000c0000; segstart<0x000f0000; segstart+=0x00001000) {
stage = 1;
rom_base = ioremap(segstart, 0x1000);
if ((*rom_base == 0x55) && (((*(rom_base + 1)) & 0xff) == 0xaa))
stage = 2;
if (stage != 2) {
iounmap(rom_base);
continue;
}
rom = rom_base;
for (i = 0; (i < 128 - strlen(aty_rom_sig)) && (stage != 3); i++) {
if (aty_rom_sig[0] == *rom)
if (strncmp(aty_rom_sig, rom,
strlen(aty_rom_sig)) == 0)
stage = 3;
rom++;
}
if (stage != 3) {
iounmap(rom_base);
continue;
}
rom = rom_base;
for (i = 0; (i < 512) && (stage != 4); i++) {
for (j = 0; j < ARRAY_SIZE(radeon_sig); j++) {
if (radeon_sig[j][0] == *rom)
if (strncmp(radeon_sig[j], rom,
strlen(radeon_sig[j])) == 0) {
stage = 4;
break;
}
}
rom++;
}
if (stage != 4) {
iounmap(rom_base);
continue;
}
return rom_base;
}
#endif
return NULL;
}
static void radeon_get_pllinfo(struct radeonfb_info *rinfo, void __iomem *bios_seg)
{
void __iomem *bios_header;
void __iomem *header_ptr;
u16 bios_header_offset, pll_info_offset;
PLL_BLOCK pll;
if (bios_seg) {
bios_header = bios_seg + 0x48L;
header_ptr = bios_header;
bios_header_offset = readw(header_ptr);
bios_header = bios_seg + bios_header_offset;
bios_header += 0x30;
header_ptr = bios_header;
pll_info_offset = readw(header_ptr);
header_ptr = bios_seg + pll_info_offset;
memcpy_fromio(&pll, header_ptr, 50);
rinfo->pll.xclk = (u32)pll.XCLK;
rinfo->pll.ref_clk = (u32)pll.PCLK_ref_freq;
rinfo->pll.ref_div = (u32)pll.PCLK_ref_divider;
rinfo->pll.ppll_min = pll.PCLK_min_freq;
rinfo->pll.ppll_max = pll.PCLK_max_freq;
printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d from BIOS\n",
rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
} else {
#ifdef CONFIG_PPC_OF
if (radeon_read_OF(rinfo)) {
unsigned int tmp, Nx, M, ref_div, xclk;
tmp = INPLL(M_SPLL_REF_FB_DIV);
ref_div = INPLL(PPLL_REF_DIV) & 0x3ff;
Nx = (tmp & 0xff00) >> 8;
M = (tmp & 0xff);
xclk = ((((2 * Nx * rinfo->pll.ref_clk) + (M)) /
(2 * M)));
rinfo->pll.xclk = xclk;
rinfo->pll.ref_div = ref_div;
rinfo->pll.ppll_min = 12000;
rinfo->pll.ppll_max = 35000;
printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d from OF\n",
rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
return;
}
#endif
/* no BIOS or BIOS not found, use defaults */
switch (rinfo->chipset) {
case PCI_DEVICE_ID_ATI_RADEON_QW:
case PCI_DEVICE_ID_ATI_RADEON_QX:
rinfo->pll.ppll_max = 35000;
rinfo->pll.ppll_min = 12000;
rinfo->pll.xclk = 23000;
rinfo->pll.ref_div = 12;
rinfo->pll.ref_clk = 2700;
break;
case PCI_DEVICE_ID_ATI_RADEON_QL:
case PCI_DEVICE_ID_ATI_RADEON_QN:
case PCI_DEVICE_ID_ATI_RADEON_QO:
case PCI_DEVICE_ID_ATI_RADEON_Ql:
case PCI_DEVICE_ID_ATI_RADEON_BB:
rinfo->pll.ppll_max = 35000;
rinfo->pll.ppll_min = 12000;
rinfo->pll.xclk = 27500;
rinfo->pll.ref_div = 12;
rinfo->pll.ref_clk = 2700;
break;
case PCI_DEVICE_ID_ATI_RADEON_Id:
case PCI_DEVICE_ID_ATI_RADEON_Ie:
case PCI_DEVICE_ID_ATI_RADEON_If:
case PCI_DEVICE_ID_ATI_RADEON_Ig:
rinfo->pll.ppll_max = 35000;
rinfo->pll.ppll_min = 12000;
rinfo->pll.xclk = 25000;
rinfo->pll.ref_div = 12;
rinfo->pll.ref_clk = 2700;
break;
case PCI_DEVICE_ID_ATI_RADEON_ND:
case PCI_DEVICE_ID_ATI_RADEON_NE:
case PCI_DEVICE_ID_ATI_RADEON_NF:
case PCI_DEVICE_ID_ATI_RADEON_NG:
rinfo->pll.ppll_max = 40000;
rinfo->pll.ppll_min = 20000;
rinfo->pll.xclk = 27000;
rinfo->pll.ref_div = 12;
rinfo->pll.ref_clk = 2700;
break;
case PCI_DEVICE_ID_ATI_RADEON_QD:
case PCI_DEVICE_ID_ATI_RADEON_QE:
case PCI_DEVICE_ID_ATI_RADEON_QF:
case PCI_DEVICE_ID_ATI_RADEON_QG:
default:
rinfo->pll.ppll_max = 35000;
rinfo->pll.ppll_min = 12000;
rinfo->pll.xclk = 16600;
rinfo->pll.ref_div = 67;
rinfo->pll.ref_clk = 2700;
break;
}
printk("radeonfb: ref_clk=%d, ref_div=%d, xclk=%d defaults\n",
rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
}
}
static void radeon_get_moninfo (struct radeonfb_info *rinfo)
{
unsigned int tmp;
if (force_dfp) {
rinfo->dviDisp_type = MT_DFP;
return;
}
tmp = INREG(BIOS_4_SCRATCH);
printk(KERN_DEBUG "radeon_get_moninfo: bios 4 scratch = %x\n", tmp);
if (rinfo->hasCRTC2) {
/* primary DVI port */
if (tmp & 0x08)
rinfo->dviDisp_type = MT_DFP;
else if (tmp & 0x4)
rinfo->dviDisp_type = MT_LCD;
else if (tmp & 0x200)
rinfo->dviDisp_type = MT_CRT;
else if (tmp & 0x10)
rinfo->dviDisp_type = MT_CTV;
else if (tmp & 0x20)
rinfo->dviDisp_type = MT_STV;
/* secondary CRT port */
if (tmp & 0x2)
rinfo->crtDisp_type = MT_CRT;
else if (tmp & 0x800)
rinfo->crtDisp_type = MT_DFP;
else if (tmp & 0x400)
rinfo->crtDisp_type = MT_LCD;
else if (tmp & 0x1000)
rinfo->crtDisp_type = MT_CTV;
else if (tmp & 0x2000)
rinfo->crtDisp_type = MT_STV;
} else {
rinfo->dviDisp_type = MT_NONE;
tmp = INREG(FP_GEN_CNTL);
if (tmp & FP_EN_TMDS)
rinfo->crtDisp_type = MT_DFP;
else
rinfo->crtDisp_type = MT_CRT;
}
}
static void radeon_get_EDID(struct radeonfb_info *rinfo)
{
#ifdef CONFIG_PPC_OF
if (!radeon_get_EDID_OF(rinfo))
RTRACE("radeonfb: could not retrieve EDID from OF\n");
#else
/* XXX use other methods later */
#endif
}
#ifdef CONFIG_PPC_OF
static int radeon_get_EDID_OF(struct radeonfb_info *rinfo)
{
struct device_node *dp;
unsigned char *pedid = NULL;
static char *propnames[] = { "DFP,EDID", "LCD,EDID", "EDID", "EDID1", NULL };
int i;
dp = pci_device_to_OF_node(rinfo->pdev);
while (dp != NULL) {
for (i = 0; propnames[i] != NULL; ++i) {
pedid = (unsigned char *)
get_property(dp, propnames[i], NULL);
if (pedid != NULL) {
rinfo->EDID = pedid;
return 1;
}
}
dp = dp->child;
}
return 0;
}
#endif /* CONFIG_PPC_OF */
static int radeon_dfp_parse_EDID(struct radeonfb_info *rinfo)
{
unsigned char *block = rinfo->EDID;
if (!block)
return 0;
/* jump to the detailed timing block section */
block += 54;
rinfo->clock = (block[0] + (block[1] << 8));
rinfo->panel_xres = (block[2] + ((block[4] & 0xf0) << 4));
rinfo->hblank = (block[3] + ((block[4] & 0x0f) << 8));
rinfo->panel_yres = (block[5] + ((block[7] & 0xf0) << 4));
rinfo->vblank = (block[6] + ((block[7] & 0x0f) << 8));
rinfo->hOver_plus = (block[8] + ((block[11] & 0xc0) << 2));
rinfo->hSync_width = (block[9] + ((block[11] & 0x30) << 4));
rinfo->vOver_plus = ((block[10] >> 4) + ((block[11] & 0x0c) << 2));
rinfo->vSync_width = ((block[10] & 0x0f) + ((block[11] & 0x03) << 4));
rinfo->interlaced = ((block[17] & 0x80) >> 7);
rinfo->synct = ((block[17] & 0x18) >> 3);
rinfo->misc = ((block[17] & 0x06) >> 1);
rinfo->hAct_high = rinfo->vAct_high = 0;
if (rinfo->synct == 3) {
if (rinfo->misc & 2)
rinfo->hAct_high = 1;
if (rinfo->misc & 1)
rinfo->vAct_high = 1;
}
printk("radeonfb: detected DFP panel size from EDID: %dx%d\n",
rinfo->panel_xres, rinfo->panel_yres);
rinfo->got_dfpinfo = 1;
return 1;
}
static void radeon_update_default_var(struct radeonfb_info *rinfo)
{
struct fb_var_screeninfo *var = &radeonfb_default_var;
var->xres = rinfo->panel_xres;
var->yres = rinfo->panel_yres;
var->xres_virtual = rinfo->panel_xres;
var->yres_virtual = rinfo->panel_yres;
var->xoffset = var->yoffset = 0;
var->bits_per_pixel = 8;
var->pixclock = 100000000 / rinfo->clock;
var->left_margin = (rinfo->hblank - rinfo->hOver_plus - rinfo->hSync_width);
var->right_margin = rinfo->hOver_plus;
var->upper_margin = (rinfo->vblank - rinfo->vOver_plus - rinfo->vSync_width);
var->lower_margin = rinfo->vOver_plus;
var->hsync_len = rinfo->hSync_width;
var->vsync_len = rinfo->vSync_width;
var->sync = 0;
if (rinfo->synct == 3) {
if (rinfo->hAct_high)
var->sync |= FB_SYNC_HOR_HIGH_ACT;
if (rinfo->vAct_high)
var->sync |= FB_SYNC_VERT_HIGH_ACT;
}
var->vmode = 0;
if (rinfo->interlaced)
var->vmode |= FB_VMODE_INTERLACED;
rinfo->use_default_var = 1;
}
static int radeon_get_dfpinfo_BIOS(struct radeonfb_info *rinfo)
{
char __iomem *fpbiosstart, *tmp, *tmp0;
char stmp[30];
int i;
if (!rinfo->bios_seg)
return 0;
if (!(fpbiosstart = rinfo->bios_seg + readw(rinfo->bios_seg + 0x48))) {
printk("radeonfb: Failed to detect DFP panel info using BIOS\n");
return 0;
}
if (!(tmp = rinfo->bios_seg + readw(fpbiosstart + 0x40))) {
printk("radeonfb: Failed to detect DFP panel info using BIOS\n");
return 0;
}
for(i=0; i<24; i++)
stmp[i] = readb(tmp+i+1);
stmp[24] = 0;
printk("radeonfb: panel ID string: %s\n", stmp);
rinfo->panel_xres = readw(tmp + 25);
rinfo->panel_yres = readw(tmp + 27);
printk("radeonfb: detected DFP panel size from BIOS: %dx%d\n",
rinfo->panel_xres, rinfo->panel_yres);
for(i=0; i<32; i++) {
tmp0 = rinfo->bios_seg + readw(tmp+64+i*2);
if (tmp0 == 0)
break;
if ((readw(tmp0) == rinfo->panel_xres) &&
(readw(tmp0+2) == rinfo->panel_yres)) {
rinfo->hblank = (readw(tmp0+17) - readw(tmp0+19)) * 8;
rinfo->hOver_plus = ((readw(tmp0+21) - readw(tmp0+19) -1) * 8) & 0x7fff;
rinfo->hSync_width = readb(tmp0+23) * 8;
rinfo->vblank = readw(tmp0+24) - readw(tmp0+26);
rinfo->vOver_plus = (readw(tmp0+28) & 0x7ff) - readw(tmp0+26);
rinfo->vSync_width = (readw(tmp0+28) & 0xf800) >> 11;
rinfo->clock = readw(tmp0+9);
rinfo->got_dfpinfo = 1;
return 1;
}
}
return 0;
}
static int radeon_get_dfpinfo (struct radeonfb_info *rinfo)
{
unsigned int tmp;
unsigned short a, b;
if (radeon_get_dfpinfo_BIOS(rinfo))
radeon_update_default_var(rinfo);
if (radeon_dfp_parse_EDID(rinfo))
radeon_update_default_var(rinfo);
if (!rinfo->got_dfpinfo) {
/*
* it seems all else has failed now and we
* resort to probing registers for our DFP info
*/
if (panel_yres) {
rinfo->panel_yres = panel_yres;
} else {
tmp = INREG(FP_VERT_STRETCH);
tmp &= 0x00fff000;
rinfo->panel_yres = (unsigned short)(tmp >> 0x0c) + 1;
}
switch (rinfo->panel_yres) {
case 480:
rinfo->panel_xres = 640;
break;
case 600:
rinfo->panel_xres = 800;
break;
case 768:
#if defined(__powerpc__)
if (rinfo->dviDisp_type == MT_LCD)
rinfo->panel_xres = 1152;
else
#endif
rinfo->panel_xres = 1024;
break;
case 1024:
rinfo->panel_xres = 1280;
break;
case 1050:
rinfo->panel_xres = 1400;
break;
case 1200:
rinfo->panel_xres = 1600;
break;
default:
printk("radeonfb: Failed to detect DFP panel size\n");
return 0;
}
printk("radeonfb: detected DFP panel size from registers: %dx%d\n",
rinfo->panel_xres, rinfo->panel_yres);
tmp = INREG(FP_CRTC_H_TOTAL_DISP);
a = (tmp & FP_CRTC_H_TOTAL_MASK) + 4;
b = (tmp & 0x01ff0000) >> FP_CRTC_H_DISP_SHIFT;
rinfo->hblank = (a - b + 1) * 8;
tmp = INREG(FP_H_SYNC_STRT_WID);
rinfo->hOver_plus = (unsigned short) ((tmp & FP_H_SYNC_STRT_CHAR_MASK) >>
FP_H_SYNC_STRT_CHAR_SHIFT) - b - 1;
rinfo->hOver_plus *= 8;
rinfo->hSync_width = (unsigned short) ((tmp & FP_H_SYNC_WID_MASK) >>
FP_H_SYNC_WID_SHIFT);
rinfo->hSync_width *= 8;
tmp = INREG(FP_CRTC_V_TOTAL_DISP);
a = (tmp & FP_CRTC_V_TOTAL_MASK) + 1;
b = (tmp & FP_CRTC_V_DISP_MASK) >> FP_CRTC_V_DISP_SHIFT;
rinfo->vblank = a - b /* + 24 */ ;
tmp = INREG(FP_V_SYNC_STRT_WID);
rinfo->vOver_plus = (unsigned short) (tmp & FP_V_SYNC_STRT_MASK)
- b + 1;
rinfo->vSync_width = (unsigned short) ((tmp & FP_V_SYNC_WID_MASK) >>
FP_V_SYNC_WID_SHIFT);
return 1;
}
return 1;
}
#ifdef CONFIG_PPC_OF
static int radeon_read_OF (struct radeonfb_info *rinfo)
{
struct device_node *dp;
unsigned int *xtal;
dp = pci_device_to_OF_node(rinfo->pdev);
xtal = (unsigned int *) get_property(dp, "ATY,RefCLK", NULL);
rinfo->pll.ref_clk = *xtal / 10;
if (*xtal)
return 1;
else
return 0;
}
#endif
static void radeon_engine_init (struct radeonfb_info *rinfo)
{
u32 temp;
/* disable 3D engine */
OUTREG(RB3D_CNTL, 0);
radeon_engine_reset ();
radeon_fifo_wait (1);
OUTREG(RB2D_DSTCACHE_MODE, 0);
radeon_fifo_wait (1);
temp = INREG(DEFAULT_PITCH_OFFSET);
OUTREG(DEFAULT_PITCH_OFFSET, ((temp & 0xc0000000) |
(rinfo->pitch << 0x16)));
radeon_fifo_wait (1);
OUTREGP(DP_DATATYPE, 0, ~HOST_BIG_ENDIAN_EN);
radeon_fifo_wait (1);
OUTREG(DEFAULT_SC_BOTTOM_RIGHT, (DEFAULT_SC_RIGHT_MAX |
DEFAULT_SC_BOTTOM_MAX));
temp = radeon_get_dstbpp(rinfo->depth);
rinfo->dp_gui_master_cntl = ((temp << 8) | GMC_CLR_CMP_CNTL_DIS);
radeon_fifo_wait (1);
OUTREG(DP_GUI_MASTER_CNTL, (rinfo->dp_gui_master_cntl |
GMC_BRUSH_SOLID_COLOR |
GMC_SRC_DATATYPE_COLOR));
radeon_fifo_wait (7);
/* clear line drawing regs */
OUTREG(DST_LINE_START, 0);
OUTREG(DST_LINE_END, 0);
/* set brush color regs */
OUTREG(DP_BRUSH_FRGD_CLR, 0xffffffff);
OUTREG(DP_BRUSH_BKGD_CLR, 0x00000000);
/* set source color regs */
OUTREG(DP_SRC_FRGD_CLR, 0xffffffff);
OUTREG(DP_SRC_BKGD_CLR, 0x00000000);
/* default write mask */
OUTREG(DP_WRITE_MSK, 0xffffffff);
radeon_engine_idle ();
}
static int __devinit radeon_init_disp (struct radeonfb_info *rinfo)
{
struct fb_info *info = &rinfo->info;
struct fb_var_screeninfo var;
var = radeonfb_default_var;
if ((radeon_init_disp_var(rinfo, &var)) < 0)
return -1;
rinfo->depth = var_to_depth(&var);
rinfo->bpp = var.bits_per_pixel;
info->var = var;
fb_alloc_cmap(&info->cmap, 256, 0);
var.activate = FB_ACTIVATE_NOW;
return 0;
}
static int radeon_init_disp_var (struct radeonfb_info *rinfo,
struct fb_var_screeninfo *var)
{
#ifndef MODULE
if (mode_option)
fb_find_mode (var, &rinfo->info, mode_option,
NULL, 0, NULL, 8);
else
#endif
if (rinfo->use_default_var)
/* We will use the modified default far */
*var = radeonfb_default_var;
else
fb_find_mode (var, &rinfo->info, "640x480-8@60",
NULL, 0, NULL, 0);
if (noaccel)
var->accel_flags &= ~FB_ACCELF_TEXT;
else
var->accel_flags |= FB_ACCELF_TEXT;
return 0;
}
static int radeon_do_maximize(struct radeonfb_info *rinfo,
struct fb_var_screeninfo *var,
struct fb_var_screeninfo *v,
int nom, int den)
{
static struct {
int xres, yres;
} modes[] = {
{1600, 1280},
{1280, 1024},
{1024, 768},
{800, 600},
{640, 480},
{-1, -1}
};
int i;
/* use highest possible virtual resolution */
if (v->xres_virtual == -1 && v->yres_virtual == -1) {
printk("radeonfb: using max available virtual resolution\n");
for (i=0; modes[i].xres != -1; i++) {
if (modes[i].xres * nom / den * modes[i].yres <
rinfo->video_ram / 2)
break;
}
if (modes[i].xres == -1) {
printk("radeonfb: could not find virtual resolution that fits into video memory!\n");
return -EINVAL;
}
v->xres_virtual = modes[i].xres;
v->yres_virtual = modes[i].yres;
printk("radeonfb: virtual resolution set to max of %dx%d\n",
v->xres_virtual, v->yres_virtual);
} else if (v->xres_virtual == -1) {
v->xres_virtual = (rinfo->video_ram * den /
(nom * v->yres_virtual * 2)) & ~15;
} else if (v->yres_virtual == -1) {
v->xres_virtual = (v->xres_virtual + 15) & ~15;
v->yres_virtual = rinfo->video_ram * den /
(nom * v->xres_virtual *2);
} else {
if (v->xres_virtual * nom / den * v->yres_virtual >
rinfo->video_ram) {
return -EINVAL;
}
}
if (v->xres_virtual * nom / den >= 8192) {
v->xres_virtual = 8192 * den / nom - 16;
}
if (v->xres_virtual < v->xres)
return -EINVAL;
if (v->yres_virtual < v->yres)
return -EINVAL;
return 0;
}
static int radeonfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *) info->par;
struct fb_var_screeninfo v;
int nom, den;
memcpy (&v, var, sizeof (v));
switch (v.bits_per_pixel) {
case 0 ... 8:
v.bits_per_pixel = 8;
break;
case 9 ... 16:
v.bits_per_pixel = 16;
break;
case 17 ... 24:
#if 0 /* Doesn't seem to work */
v.bits_per_pixel = 24;
break;
#endif
return -EINVAL;
case 25 ... 32:
v.bits_per_pixel = 32;
break;
default:
return -EINVAL;
}
switch (var_to_depth(&v)) {
case 8:
nom = den = 1;
v.red.offset = v.green.offset = v.blue.offset = 0;
v.red.length = v.green.length = v.blue.length = 8;
v.transp.offset = v.transp.length = 0;
break;
case 15:
nom = 2;
den = 1;
v.red.offset = 10;
v.green.offset = 5;
v.blue.offset = 0;
v.red.length = v.green.length = v.blue.length = 5;
v.transp.offset = v.transp.length = 0;
break;
case 16:
nom = 2;
den = 1;
v.red.offset = 11;
v.green.offset = 5;
v.blue.offset = 0;
v.red.length = 5;
v.green.length = 6;
v.blue.length = 5;
v.transp.offset = v.transp.length = 0;
break;
case 24:
nom = 4;
den = 1;
v.red.offset = 16;
v.green.offset = 8;
v.blue.offset = 0;
v.red.length = v.blue.length = v.green.length = 8;
v.transp.offset = v.transp.length = 0;
break;
case 32:
nom = 4;
den = 1;
v.red.offset = 16;
v.green.offset = 8;
v.blue.offset = 0;
v.red.length = v.blue.length = v.green.length = 8;
v.transp.offset = 24;
v.transp.length = 8;
break;
default:
printk ("radeonfb: mode %dx%dx%d rejected, color depth invalid\n",
var->xres, var->yres, var->bits_per_pixel);
return -EINVAL;
}
if (radeon_do_maximize(rinfo, var, &v, nom, den) < 0)
return -EINVAL;
if (v.xoffset < 0)
v.xoffset = 0;
if (v.yoffset < 0)
v.yoffset = 0;
if (v.xoffset > v.xres_virtual - v.xres)
v.xoffset = v.xres_virtual - v.xres - 1;
if (v.yoffset > v.yres_virtual - v.yres)
v.yoffset = v.yres_virtual - v.yres - 1;
v.red.msb_right = v.green.msb_right = v.blue.msb_right =
v.transp.offset = v.transp.length =
v.transp.msb_right = 0;
if (noaccel)
v.accel_flags = 0;
memcpy(var, &v, sizeof(v));
return 0;
}
static int radeonfb_pan_display (struct fb_var_screeninfo *var,
struct fb_info *info)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
if ((var->xoffset + var->xres > var->xres_virtual)
|| (var->yoffset + var->yres > var->yres_virtual))
return -EINVAL;
if (rinfo->asleep)
return 0;
OUTREG(CRTC_OFFSET, ((var->yoffset * var->xres_virtual + var->xoffset)
* var->bits_per_pixel / 8) & ~7);
return 0;
}
static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
unsigned long arg)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
unsigned int tmp;
u32 value = 0;
int rc;
switch (cmd) {
/*
* TODO: set mirror accordingly for non-Mobility chipsets with 2 CRTC's
*/
case FBIO_RADEON_SET_MIRROR:
switch (rinfo->arch) {
case RADEON_R100:
case RADEON_RV100:
case RADEON_R200:
case RADEON_RV200:
case RADEON_RV250:
case RADEON_R300:
return -EINVAL;
default:
/* RADEON M6, RADEON_M7, RADEON_M9 */
break;
}
rc = get_user(value, (__u32 __user *)arg);
if (rc)
return rc;
if (value & 0x01) {
tmp = INREG(LVDS_GEN_CNTL);
tmp |= (LVDS_ON | LVDS_BLON);
} else {
tmp = INREG(LVDS_GEN_CNTL);
tmp &= ~(LVDS_ON | LVDS_BLON);
}
OUTREG(LVDS_GEN_CNTL, tmp);
if (value & 0x02) {
tmp = INREG(CRTC_EXT_CNTL);
tmp |= CRTC_CRT_ON;
mirror = 1;
} else {
tmp = INREG(CRTC_EXT_CNTL);
tmp &= ~CRTC_CRT_ON;
mirror = 0;
}
OUTREG(CRTC_EXT_CNTL, tmp);
break;
case FBIO_RADEON_GET_MIRROR:
switch (rinfo->arch) {
case RADEON_R100:
case RADEON_RV100:
case RADEON_R200:
case RADEON_RV200:
case RADEON_RV250:
case RADEON_R300:
return -EINVAL;
default:
/* RADEON M6, RADEON_M7, RADEON_M9 */
break;
}
tmp = INREG(LVDS_GEN_CNTL);
if ((LVDS_ON | LVDS_BLON) & tmp)
value |= 0x01;
tmp = INREG(CRTC_EXT_CNTL);
if (CRTC_CRT_ON & tmp)
value |= 0x02;
return put_user(value, (__u32 __user *)arg);
default:
return -EINVAL;
}
return -EINVAL;
}
static int radeonfb_blank (int blank, struct fb_info *info)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
u32 val = INREG(CRTC_EXT_CNTL);
u32 val2 = INREG(LVDS_GEN_CNTL);
if (rinfo->asleep)
return 0;
#ifdef CONFIG_PMAC_BACKLIGHT
if (rinfo->dviDisp_type == MT_LCD && machine_is(powermac)) {
set_backlight_enable(!blank);
return 0;
}
#endif
/* reset it */
val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
CRTC_VSYNC_DIS);
val2 &= ~(LVDS_DISPLAY_DIS);
switch (blank) {
case FB_BLANK_UNBLANK:
case FB_BLANK_NORMAL:
break;
case FB_BLANK_VSYNC_SUSPEND:
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
break;
case FB_BLANK_HSYNC_SUSPEND:
val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
break;
case FB_BLANK_POWERDOWN:
val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS |
CRTC_HSYNC_DIS);
val2 |= (LVDS_DISPLAY_DIS);
break;
}
switch (rinfo->dviDisp_type) {
case MT_LCD:
OUTREG(LVDS_GEN_CNTL, val2);
break;
case MT_CRT:
default:
OUTREG(CRTC_EXT_CNTL, val);
break;
}
/* let fbcon do a soft blank for us */
return (blank == FB_BLANK_NORMAL) ? 1 : 0;
}
static int radeonfb_setcolreg (unsigned regno, unsigned red, unsigned green,
unsigned blue, unsigned transp, struct fb_info *info)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
u32 pindex, vclk_cntl;
unsigned int i;
if (regno > 255)
return 1;
red >>= 8;
green >>= 8;
blue >>= 8;
rinfo->palette[regno].red = red;
rinfo->palette[regno].green = green;
rinfo->palette[regno].blue = blue;
/* default */
pindex = regno;
if (!rinfo->asleep) {
vclk_cntl = INPLL(VCLK_ECP_CNTL);
OUTPLL(VCLK_ECP_CNTL, vclk_cntl & ~PIXCLK_DAC_ALWAYS_ONb);
if (rinfo->bpp == 16) {
pindex = regno * 8;
if (rinfo->depth == 16 && regno > 63)
return 1;
if (rinfo->depth == 15 && regno > 31)
return 1;
/* For 565, the green component is mixed one order below */
if (rinfo->depth == 16) {
OUTREG(PALETTE_INDEX, pindex>>1);
OUTREG(PALETTE_DATA, (rinfo->palette[regno>>1].red << 16) |
(green << 8) | (rinfo->palette[regno>>1].blue));
green = rinfo->palette[regno<<1].green;
}
}
if (rinfo->depth != 16 || regno < 32) {
OUTREG(PALETTE_INDEX, pindex);
OUTREG(PALETTE_DATA, (red << 16) | (green << 8) | blue);
}
OUTPLL(VCLK_ECP_CNTL, vclk_cntl);
}
if (regno < 16) {
switch (rinfo->depth) {
case 15:
((u16 *) (info->pseudo_palette))[regno] =
(regno << 10) | (regno << 5) | regno;
break;
case 16:
((u16 *) (info->pseudo_palette))[regno] =
(regno << 11) | (regno << 6) | regno;
break;
case 24:
((u32 *) (info->pseudo_palette))[regno] =
(regno << 16) | (regno << 8) | regno;
break;
case 32:
i = (regno << 8) | regno;
((u32 *) (info->pseudo_palette))[regno] =
(i << 16) | i;
break;
}
}
return 0;
}
static void radeon_save_state (struct radeonfb_info *rinfo,
struct radeon_regs *save)
{
/* CRTC regs */
save->crtc_gen_cntl = INREG(CRTC_GEN_CNTL);
save->crtc_ext_cntl = INREG(CRTC_EXT_CNTL);
save->dac_cntl = INREG(DAC_CNTL);
save->crtc_h_total_disp = INREG(CRTC_H_TOTAL_DISP);
save->crtc_h_sync_strt_wid = INREG(CRTC_H_SYNC_STRT_WID);
save->crtc_v_total_disp = INREG(CRTC_V_TOTAL_DISP);
save->crtc_v_sync_strt_wid = INREG(CRTC_V_SYNC_STRT_WID);
save->crtc_pitch = INREG(CRTC_PITCH);
#if defined(__BIG_ENDIAN)
save->surface_cntl = INREG(SURFACE_CNTL);
#endif
/* FP regs */
save->fp_crtc_h_total_disp = INREG(FP_CRTC_H_TOTAL_DISP);
save->fp_crtc_v_total_disp = INREG(FP_CRTC_V_TOTAL_DISP);
save->fp_gen_cntl = INREG(FP_GEN_CNTL);
save->fp_h_sync_strt_wid = INREG(FP_H_SYNC_STRT_WID);
save->fp_horz_stretch = INREG(FP_HORZ_STRETCH);
save->fp_v_sync_strt_wid = INREG(FP_V_SYNC_STRT_WID);
save->fp_vert_stretch = INREG(FP_VERT_STRETCH);
save->lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
save->lvds_pll_cntl = INREG(LVDS_PLL_CNTL);
save->tmds_crc = INREG(TMDS_CRC);
save->tmds_transmitter_cntl = INREG(TMDS_TRANSMITTER_CNTL);
save->vclk_ecp_cntl = INPLL(VCLK_ECP_CNTL);
}
static int radeonfb_set_par (struct fb_info *info)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *)info->par;
struct fb_var_screeninfo *mode = &info->var;
struct radeon_regs newmode;
int hTotal, vTotal, hSyncStart, hSyncEnd,
hSyncPol, vSyncStart, vSyncEnd, vSyncPol, cSync;
u8 hsync_adj_tab[] = {0, 0x12, 9, 9, 6, 5};
u8 hsync_fudge_fp[] = {2, 2, 0, 0, 5, 5};
u32 dotClock = 1000000000 / mode->pixclock,
sync, h_sync_pol, v_sync_pol;
int freq = dotClock / 10; /* x 100 */
int xclk_freq, vclk_freq, xclk_per_trans, xclk_per_trans_precise;
int useable_precision, roff, ron;
int min_bits, format = 0;
int hsync_start, hsync_fudge, bytpp, hsync_wid, vsync_wid;
int primary_mon = PRIMARY_MONITOR(rinfo);
int depth = var_to_depth(mode);
int accel = (mode->accel_flags & FB_ACCELF_TEXT) != 0;
rinfo->xres = mode->xres;
rinfo->yres = mode->yres;
rinfo->xres_virtual = mode->xres_virtual;
rinfo->yres_virtual = mode->yres_virtual;
rinfo->pixclock = mode->pixclock;
hSyncStart = mode->xres + mode->right_margin;
hSyncEnd = hSyncStart + mode->hsync_len;
hTotal = hSyncEnd + mode->left_margin;
vSyncStart = mode->yres + mode->lower_margin;
vSyncEnd = vSyncStart + mode->vsync_len;
vTotal = vSyncEnd + mode->upper_margin;
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
if (rinfo->panel_xres < mode->xres)
rinfo->xres = mode->xres = rinfo->panel_xres;
if (rinfo->panel_yres < mode->yres)
rinfo->yres = mode->yres = rinfo->panel_yres;
hTotal = mode->xres + rinfo->hblank;
hSyncStart = mode->xres + rinfo->hOver_plus;
hSyncEnd = hSyncStart + rinfo->hSync_width;
vTotal = mode->yres + rinfo->vblank;
vSyncStart = mode->yres + rinfo->vOver_plus;
vSyncEnd = vSyncStart + rinfo->vSync_width;
}
sync = mode->sync;
h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
RTRACE("hStart = %d, hEnd = %d, hTotal = %d\n",
hSyncStart, hSyncEnd, hTotal);
RTRACE("vStart = %d, vEnd = %d, vTotal = %d\n",
vSyncStart, vSyncEnd, vTotal);
hsync_wid = (hSyncEnd - hSyncStart) / 8;
vsync_wid = vSyncEnd - vSyncStart;
if (hsync_wid == 0)
hsync_wid = 1;
else if (hsync_wid > 0x3f) /* max */
hsync_wid = 0x3f;
if (vsync_wid == 0)
vsync_wid = 1;
else if (vsync_wid > 0x1f) /* max */
vsync_wid = 0x1f;
hSyncPol = mode->sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
vSyncPol = mode->sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
cSync = mode->sync & FB_SYNC_COMP_HIGH_ACT ? (1 << 4) : 0;
format = radeon_get_dstbpp(depth);
bytpp = mode->bits_per_pixel >> 3;
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD))
hsync_fudge = hsync_fudge_fp[format-1];
else
hsync_fudge = hsync_adj_tab[format-1];
hsync_start = hSyncStart - 8 + hsync_fudge;
newmode.crtc_gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN |
(format << 8);
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN;
if (mirror)
newmode.crtc_ext_cntl |= CRTC_CRT_ON;
newmode.crtc_gen_cntl &= ~(CRTC_DBL_SCAN_EN |
CRTC_INTERLACE_EN);
} else {
newmode.crtc_ext_cntl = VGA_ATI_LINEAR | XCRT_CNT_EN |
CRTC_CRT_ON;
}
newmode.dac_cntl = /* INREG(DAC_CNTL) | */ DAC_MASK_ALL | DAC_VGA_ADR_EN |
DAC_8BIT_EN;
newmode.crtc_h_total_disp = ((((hTotal / 8) - 1) & 0x3ff) |
(((mode->xres / 8) - 1) << 16));
newmode.crtc_h_sync_strt_wid = ((hsync_start & 0x1fff) |
(hsync_wid << 16) | (h_sync_pol << 23));
newmode.crtc_v_total_disp = ((vTotal - 1) & 0xffff) |
((mode->yres - 1) << 16);
newmode.crtc_v_sync_strt_wid = (((vSyncStart - 1) & 0xfff) |
(vsync_wid << 16) | (v_sync_pol << 23));
if (accel) {
/* We first calculate the engine pitch */
rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
& ~(0x3f)) >> 6;
/* Then, re-multiply it to get the CRTC pitch */
newmode.crtc_pitch = (rinfo->pitch << 3) / ((mode->bits_per_pixel + 1) / 8);
} else
newmode.crtc_pitch = (mode->xres_virtual >> 3);
newmode.crtc_pitch |= (newmode.crtc_pitch << 16);
#if defined(__BIG_ENDIAN)
/*
* It looks like recent chips have a problem with SURFACE_CNTL,
* setting SURF_TRANSLATION_DIS completely disables the
* swapper as well, so we leave it unset now.
*/
newmode.surface_cntl = 0;
/* Setup swapping on both apertures, though we currently
* only use aperture 0, enabling swapper on aperture 1
* won't harm
*/
switch (mode->bits_per_pixel) {
case 16:
newmode.surface_cntl |= NONSURF_AP0_SWP_16BPP;
newmode.surface_cntl |= NONSURF_AP1_SWP_16BPP;
break;
case 24:
case 32:
newmode.surface_cntl |= NONSURF_AP0_SWP_32BPP;
newmode.surface_cntl |= NONSURF_AP1_SWP_32BPP;
break;
}
#endif
rinfo->pitch = ((mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
& ~(0x3f)) / 64;
RTRACE("h_total_disp = 0x%x\t hsync_strt_wid = 0x%x\n",
newmode.crtc_h_total_disp, newmode.crtc_h_sync_strt_wid);
RTRACE("v_total_disp = 0x%x\t vsync_strt_wid = 0x%x\n",
newmode.crtc_v_total_disp, newmode.crtc_v_sync_strt_wid);
newmode.xres = mode->xres;
newmode.yres = mode->yres;
rinfo->bpp = mode->bits_per_pixel;
rinfo->depth = depth;
if (freq > rinfo->pll.ppll_max)
freq = rinfo->pll.ppll_max;
if (freq*12 < rinfo->pll.ppll_min)
freq = rinfo->pll.ppll_min / 12;
{
struct {
int divider;
int bitvalue;
} *post_div,
post_divs[] = {
{ 1, 0 },
{ 2, 1 },
{ 4, 2 },
{ 8, 3 },
{ 3, 4 },
{ 16, 5 },
{ 6, 6 },
{ 12, 7 },
{ 0, 0 },
};
for (post_div = &post_divs[0]; post_div->divider; ++post_div) {
rinfo->pll_output_freq = post_div->divider * freq;
if (rinfo->pll_output_freq >= rinfo->pll.ppll_min &&
rinfo->pll_output_freq <= rinfo->pll.ppll_max)
break;
}
rinfo->post_div = post_div->divider;
rinfo->fb_div = round_div(rinfo->pll.ref_div*rinfo->pll_output_freq,
rinfo->pll.ref_clk);
newmode.ppll_ref_div = rinfo->pll.ref_div;
newmode.ppll_div_3 = rinfo->fb_div | (post_div->bitvalue << 16);
}
newmode.vclk_ecp_cntl = rinfo->init_state.vclk_ecp_cntl;
#ifdef CONFIG_PPC_OF
/* Gross hack for iBook with M7 until I find out a proper fix */
if (machine_is_compatible("PowerBook4,3") && rinfo->arch == RADEON_M7)
newmode.ppll_div_3 = 0x000600ad;
#endif /* CONFIG_PPC_OF */
RTRACE("post div = 0x%x\n", rinfo->post_div);
RTRACE("fb_div = 0x%x\n", rinfo->fb_div);
RTRACE("ppll_div_3 = 0x%x\n", newmode.ppll_div_3);
/* DDA */
vclk_freq = round_div(rinfo->pll.ref_clk * rinfo->fb_div,
rinfo->pll.ref_div * rinfo->post_div);
xclk_freq = rinfo->pll.xclk;
xclk_per_trans = round_div(xclk_freq * 128, vclk_freq * mode->bits_per_pixel);
min_bits = min_bits_req(xclk_per_trans);
useable_precision = min_bits + 1;
xclk_per_trans_precise = round_div((xclk_freq * 128) << (11 - useable_precision),
vclk_freq * mode->bits_per_pixel);
ron = (4 * rinfo->ram.mb + 3 * _max(rinfo->ram.trcd - 2, 0) +
2 * rinfo->ram.trp + rinfo->ram.twr + rinfo->ram.cl + rinfo->ram.tr2w +
xclk_per_trans) << (11 - useable_precision);
roff = xclk_per_trans_precise * (32 - 4);
RTRACE("ron = %d, roff = %d\n", ron, roff);
RTRACE("vclk_freq = %d, per = %d\n", vclk_freq, xclk_per_trans_precise);
if ((ron + rinfo->ram.rloop) >= roff) {
printk("radeonfb: error ron out of range\n");
return -EINVAL;
}
newmode.dda_config = (xclk_per_trans_precise |
(useable_precision << 16) |
(rinfo->ram.rloop << 20));
newmode.dda_on_off = (ron << 16) | roff;
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
unsigned int hRatio, vRatio;
/* We force the pixel clock to be always enabled. Allowing it
* to be power managed during blanking would save power, but has
* nasty interactions with the 2D engine & sleep code that haven't
* been solved yet. --BenH
*/
newmode.vclk_ecp_cntl &= ~PIXCLK_DAC_ALWAYS_ONb;
if (mode->xres > rinfo->panel_xres)
mode->xres = rinfo->panel_xres;
if (mode->yres > rinfo->panel_yres)
mode->yres = rinfo->panel_yres;
newmode.fp_horz_stretch = (((rinfo->panel_xres / 8) - 1)
<< HORZ_PANEL_SHIFT);
newmode.fp_vert_stretch = ((rinfo->panel_yres - 1)
<< VERT_PANEL_SHIFT);
if (mode->xres != rinfo->panel_xres) {
hRatio = round_div(mode->xres * HORZ_STRETCH_RATIO_MAX,
rinfo->panel_xres);
newmode.fp_horz_stretch = (((((unsigned long)hRatio) & HORZ_STRETCH_RATIO_MASK)) |
(newmode.fp_horz_stretch &
(HORZ_PANEL_SIZE | HORZ_FP_LOOP_STRETCH |
HORZ_AUTO_RATIO_INC)));
newmode.fp_horz_stretch |= (HORZ_STRETCH_BLEND |
HORZ_STRETCH_ENABLE);
}
newmode.fp_horz_stretch &= ~HORZ_AUTO_RATIO;
if (mode->yres != rinfo->panel_yres) {
vRatio = round_div(mode->yres * VERT_STRETCH_RATIO_MAX,
rinfo->panel_yres);
newmode.fp_vert_stretch = (((((unsigned long)vRatio) & VERT_STRETCH_RATIO_MASK)) |
(newmode.fp_vert_stretch &
(VERT_PANEL_SIZE | VERT_STRETCH_RESERVED)));
newmode.fp_vert_stretch |= (VERT_STRETCH_BLEND |
VERT_STRETCH_ENABLE);
}
newmode.fp_vert_stretch &= ~VERT_AUTO_RATIO_EN;
newmode.fp_gen_cntl = (rinfo->init_state.fp_gen_cntl & (u32)
~(FP_SEL_CRTC2 |
FP_RMX_HVSYNC_CONTROL_EN |
FP_DFP_SYNC_SEL |
FP_CRT_SYNC_SEL |
FP_CRTC_LOCK_8DOT |
FP_USE_SHADOW_EN |
FP_CRTC_USE_SHADOW_VEND |
FP_CRT_SYNC_ALT));
newmode.fp_gen_cntl |= (FP_CRTC_DONT_SHADOW_VPAR |
FP_CRTC_DONT_SHADOW_HEND);
newmode.lvds_gen_cntl = rinfo->init_state.lvds_gen_cntl;
newmode.lvds_pll_cntl = rinfo->init_state.lvds_pll_cntl;
newmode.tmds_crc = rinfo->init_state.tmds_crc;
newmode.tmds_transmitter_cntl = rinfo->init_state.tmds_transmitter_cntl;
if (primary_mon == MT_LCD) {
newmode.lvds_gen_cntl |= (LVDS_ON | LVDS_BLON);
newmode.fp_gen_cntl &= ~(FP_FPON | FP_TMDS_EN);
} else {
/* DFP */
newmode.fp_gen_cntl |= (FP_FPON | FP_TMDS_EN);
newmode.tmds_transmitter_cntl = (TMDS_RAN_PAT_RST |
TMDS_ICHCSEL | TMDS_PLL_EN) &
~(TMDS_PLLRST);
newmode.crtc_ext_cntl &= ~CRTC_CRT_ON;
}
newmode.fp_crtc_h_total_disp = (((rinfo->hblank / 8) & 0x3ff) |
(((mode->xres / 8) - 1) << 16));
newmode.fp_crtc_v_total_disp = (rinfo->vblank & 0xffff) |
((mode->yres - 1) << 16);
newmode.fp_h_sync_strt_wid = ((rinfo->hOver_plus & 0x1fff) |
(hsync_wid << 16) | (h_sync_pol << 23));
newmode.fp_v_sync_strt_wid = ((rinfo->vOver_plus & 0xfff) |
(vsync_wid << 16) | (v_sync_pol << 23));
}
/* do it! */
if (!rinfo->asleep) {
radeon_write_mode (rinfo, &newmode);
/* (re)initialize the engine */
if (noaccel)
radeon_engine_init (rinfo);
}
/* Update fix */
if (accel)
info->fix.line_length = rinfo->pitch*64;
else
info->fix.line_length = mode->xres_virtual * ((mode->bits_per_pixel + 1) / 8);
info->fix.visual = rinfo->depth == 8 ? FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
#ifdef CONFIG_BOOTX_TEXT
/* Update debug text engine */
btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
rinfo->depth, info->fix.line_length);
#endif
return 0;
}
static void radeon_write_mode (struct radeonfb_info *rinfo,
struct radeon_regs *mode)
{
int i;
int primary_mon = PRIMARY_MONITOR(rinfo);
radeonfb_blank(VESA_POWERDOWN, (struct fb_info *)rinfo);
if (rinfo->arch == RADEON_M6) {
for (i=0; i<7; i++)
OUTREG(common_regs_m6[i].reg, common_regs_m6[i].val);
} else {
for (i=0; i<9; i++)
OUTREG(common_regs[i].reg, common_regs[i].val);
}
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);
#if defined(__BIG_ENDIAN)
OUTREG(SURFACE_CNTL, mode->surface_cntl);
#endif
while ((INREG(CLOCK_CNTL_INDEX) & PPLL_DIV_SEL_MASK) !=
PPLL_DIV_SEL_MASK) {
OUTREGP(CLOCK_CNTL_INDEX, PPLL_DIV_SEL_MASK, 0xffff);
}
OUTPLLP(PPLL_CNTL, PPLL_RESET, 0xffff);
while ((INPLL(PPLL_REF_DIV) & PPLL_REF_DIV_MASK) !=
(mode->ppll_ref_div & PPLL_REF_DIV_MASK)) {
OUTPLLP(PPLL_REF_DIV, mode->ppll_ref_div, ~PPLL_REF_DIV_MASK);
}
while ((INPLL(PPLL_DIV_3) & PPLL_FB3_DIV_MASK) !=
(mode->ppll_div_3 & PPLL_FB3_DIV_MASK)) {
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_FB3_DIV_MASK);
}
while ((INPLL(PPLL_DIV_3) & PPLL_POST3_DIV_MASK) !=
(mode->ppll_div_3 & PPLL_POST3_DIV_MASK)) {
OUTPLLP(PPLL_DIV_3, mode->ppll_div_3, ~PPLL_POST3_DIV_MASK);
}
OUTPLL(HTOTAL_CNTL, 0);
OUTPLLP(PPLL_CNTL, 0, ~PPLL_RESET);
// OUTREG(DDA_CONFIG, mode->dda_config);
// OUTREG(DDA_ON_OFF, mode->dda_on_off);
if ((primary_mon == MT_DFP) || (primary_mon == MT_LCD)) {
OUTREG(FP_CRTC_H_TOTAL_DISP, mode->fp_crtc_h_total_disp);
OUTREG(FP_CRTC_V_TOTAL_DISP, mode->fp_crtc_v_total_disp);
OUTREG(FP_H_SYNC_STRT_WID, mode->fp_h_sync_strt_wid);
OUTREG(FP_V_SYNC_STRT_WID, mode->fp_v_sync_strt_wid);
OUTREG(FP_HORZ_STRETCH, mode->fp_horz_stretch);
OUTREG(FP_VERT_STRETCH, mode->fp_vert_stretch);
OUTREG(FP_GEN_CNTL, mode->fp_gen_cntl);
OUTREG(TMDS_CRC, mode->tmds_crc);
OUTREG(TMDS_TRANSMITTER_CNTL, mode->tmds_transmitter_cntl);
if (primary_mon == MT_LCD) {
unsigned int tmp = INREG(LVDS_GEN_CNTL);
mode->lvds_gen_cntl &= ~LVDS_STATE_MASK;
mode->lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_STATE_MASK);
if ((tmp & (LVDS_ON | LVDS_BLON)) ==
(mode->lvds_gen_cntl & (LVDS_ON | LVDS_BLON))) {
OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
} else {
if (mode->lvds_gen_cntl & (LVDS_ON | LVDS_BLON)) {
udelay(1000);
OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
} else {
OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl |
LVDS_BLON);
udelay(1000);
OUTREG(LVDS_GEN_CNTL, mode->lvds_gen_cntl);
}
}
}
}
radeonfb_blank(VESA_NO_BLANKING, (struct fb_info *)rinfo);
OUTPLL(VCLK_ECP_CNTL, mode->vclk_ecp_cntl);
return;
}
static struct fb_ops radeonfb_ops = {
.owner = THIS_MODULE,
.fb_check_var = radeonfb_check_var,
.fb_set_par = radeonfb_set_par,
.fb_setcolreg = radeonfb_setcolreg,
.fb_pan_display = radeonfb_pan_display,
.fb_blank = radeonfb_blank,
.fb_ioctl = radeonfb_ioctl,
#if 0
.fb_fillrect = radeonfb_fillrect,
.fb_copyarea = radeonfb_copyarea,
.fb_imageblit = radeonfb_imageblit,
.fb_rasterimg = radeonfb_rasterimg,
#else
.fb_fillrect = cfb_fillrect,
.fb_copyarea = cfb_copyarea,
.fb_imageblit = cfb_imageblit,
#endif
};
static int __devinit radeon_set_fbinfo (struct radeonfb_info *rinfo)
{
struct fb_info *info;
info = &rinfo->info;
info->par = rinfo;
info->pseudo_palette = rinfo->pseudo_palette;
info->flags = FBINFO_DEFAULT | FBINFO_HWACCEL_YPAN;
info->fbops = &radeonfb_ops;
info->screen_base = rinfo->fb_base;
/* Fill fix common fields */
strlcpy(info->fix.id, rinfo->name, sizeof(info->fix.id));
info->fix.smem_start = rinfo->fb_base_phys;
info->fix.smem_len = rinfo->video_ram;
info->fix.type = FB_TYPE_PACKED_PIXELS;
info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
info->fix.xpanstep = 8;
info->fix.ypanstep = 1;
info->fix.ywrapstep = 0;
info->fix.type_aux = 0;
info->fix.mmio_start = rinfo->mmio_base_phys;
info->fix.mmio_len = RADEON_REGSIZE;
if (noaccel)
info->fix.accel = FB_ACCEL_NONE;
else
info->fix.accel = FB_ACCEL_ATI_RADEON;
if (radeon_init_disp (rinfo) < 0)
return -1;
return 0;
}
#ifdef CONFIG_PMAC_BACKLIGHT
/* TODO: Dbl check these tables, we don't go up to full ON backlight
* in these, possibly because we noticed MacOS doesn't, but I'd prefer
* having some more official numbers from ATI
*/
static int backlight_conv_m6[] = {
0xff, 0xc0, 0xb5, 0xaa, 0x9f, 0x94, 0x89, 0x7e,
0x73, 0x68, 0x5d, 0x52, 0x47, 0x3c, 0x31, 0x24
};
static int backlight_conv_m7[] = {
0x00, 0x3f, 0x4a, 0x55, 0x60, 0x6b, 0x76, 0x81,
0x8c, 0x97, 0xa2, 0xad, 0xb8, 0xc3, 0xce, 0xd9
};
#define BACKLIGHT_LVDS_OFF
#undef BACKLIGHT_DAC_OFF
/* We turn off the LCD completely instead of just dimming the backlight.
* This provides some greater power saving and the display is useless
* without backlight anyway.
*/
static int radeon_set_backlight_enable(int on, int level, void *data)
{
struct radeonfb_info *rinfo = (struct radeonfb_info *)data;
unsigned int lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
int* conv_table;
/* Pardon me for that hack... maybe some day we can figure
* out in what direction backlight should work on a given
* panel ?
*/
if ((rinfo->arch == RADEON_M7 || rinfo->arch == RADEON_M9)
&& !machine_is_compatible("PowerBook4,3"))
conv_table = backlight_conv_m7;
else
conv_table = backlight_conv_m6;
lvds_gen_cntl |= (LVDS_BL_MOD_EN | LVDS_BLON);
if (on && (level > BACKLIGHT_OFF)) {
lvds_gen_cntl |= LVDS_DIGON;
if (!(lvds_gen_cntl & LVDS_ON)) {
lvds_gen_cntl &= ~LVDS_BLON;
OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
(void)INREG(LVDS_GEN_CNTL);
mdelay(10);
lvds_gen_cntl |= LVDS_BLON;
OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
}
lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
lvds_gen_cntl |= (conv_table[level] <<
LVDS_BL_MOD_LEVEL_SHIFT);
lvds_gen_cntl |= (LVDS_ON | LVDS_EN);
lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
} else {
lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
lvds_gen_cntl |= (conv_table[0] <<
LVDS_BL_MOD_LEVEL_SHIFT);
lvds_gen_cntl |= LVDS_DISPLAY_DIS;
OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
udelay(10);
lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN | LVDS_BLON | LVDS_DIGON);
}
OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);
return 0;
}
static int radeon_set_backlight_level(int level, void *data)
{
return radeon_set_backlight_enable(1, level, data);
}
#endif /* CONFIG_PMAC_BACKLIGHT */
#ifdef CONFIG_PMAC_PBOOK
static u32 dbg_clk;
/*
* Radeon M6 Power Management code. This code currently only supports
* the mobile chips, it's based from some informations provided by ATI
* along with hours of tracing of MacOS drivers
*/
static void radeon_pm_save_regs(struct radeonfb_info *rinfo)
{
rinfo->save_regs[0] = INPLL(PLL_PWRMGT_CNTL);
rinfo->save_regs[1] = INPLL(CLK_PWRMGT_CNTL);
rinfo->save_regs[2] = INPLL(MCLK_CNTL);
rinfo->save_regs[3] = INPLL(SCLK_CNTL);
rinfo->save_regs[4] = INPLL(CLK_PIN_CNTL);
rinfo->save_regs[5] = INPLL(VCLK_ECP_CNTL);
rinfo->save_regs[6] = INPLL(PIXCLKS_CNTL);
rinfo->save_regs[7] = INPLL(MCLK_MISC);
rinfo->save_regs[8] = INPLL(P2PLL_CNTL);
rinfo->save_regs[9] = INREG(DISP_MISC_CNTL);
rinfo->save_regs[10] = INREG(DISP_PWR_MAN);
rinfo->save_regs[11] = INREG(LVDS_GEN_CNTL);
rinfo->save_regs[12] = INREG(LVDS_PLL_CNTL);
rinfo->save_regs[13] = INREG(TV_DAC_CNTL);
rinfo->save_regs[14] = INREG(BUS_CNTL1);
rinfo->save_regs[15] = INREG(CRTC_OFFSET_CNTL);
rinfo->save_regs[16] = INREG(AGP_CNTL);
rinfo->save_regs[17] = (INREG(CRTC_GEN_CNTL) & 0xfdffffff) | 0x04000000;
rinfo->save_regs[18] = (INREG(CRTC2_GEN_CNTL) & 0xfdffffff) | 0x04000000;
rinfo->save_regs[19] = INREG(GPIOPAD_A);
rinfo->save_regs[20] = INREG(GPIOPAD_EN);
rinfo->save_regs[21] = INREG(GPIOPAD_MASK);
rinfo->save_regs[22] = INREG(ZV_LCDPAD_A);
rinfo->save_regs[23] = INREG(ZV_LCDPAD_EN);
rinfo->save_regs[24] = INREG(ZV_LCDPAD_MASK);
rinfo->save_regs[25] = INREG(GPIO_VGA_DDC);
rinfo->save_regs[26] = INREG(GPIO_DVI_DDC);
rinfo->save_regs[27] = INREG(GPIO_MONID);
rinfo->save_regs[28] = INREG(GPIO_CRT2_DDC);
rinfo->save_regs[29] = INREG(SURFACE_CNTL);
rinfo->save_regs[30] = INREG(MC_FB_LOCATION);
rinfo->save_regs[31] = INREG(DISPLAY_BASE_ADDR);
rinfo->save_regs[32] = INREG(MC_AGP_LOCATION);
rinfo->save_regs[33] = INREG(CRTC2_DISPLAY_BASE_ADDR);
}
static void radeon_pm_restore_regs(struct radeonfb_info *rinfo)
{
OUTPLL(P2PLL_CNTL, rinfo->save_regs[8] & 0xFFFFFFFE); /* First */
OUTPLL(PLL_PWRMGT_CNTL, rinfo->save_regs[0]);
OUTPLL(CLK_PWRMGT_CNTL, rinfo->save_regs[1]);
OUTPLL(MCLK_CNTL, rinfo->save_regs[2]);
OUTPLL(SCLK_CNTL, rinfo->save_regs[3]);
OUTPLL(CLK_PIN_CNTL, rinfo->save_regs[4]);
OUTPLL(VCLK_ECP_CNTL, rinfo->save_regs[5]);
OUTPLL(PIXCLKS_CNTL, rinfo->save_regs[6]);
OUTPLL(MCLK_MISC, rinfo->save_regs[7]);
OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]);
OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]);
OUTREG(LVDS_GEN_CNTL, rinfo->save_regs[11]);
OUTREG(LVDS_PLL_CNTL,rinfo->save_regs[12]);
OUTREG(TV_DAC_CNTL, rinfo->save_regs[13]);
OUTREG(BUS_CNTL1, rinfo->save_regs[14]);
OUTREG(CRTC_OFFSET_CNTL, rinfo->save_regs[15]);
OUTREG(AGP_CNTL, rinfo->save_regs[16]);
OUTREG(CRTC_GEN_CNTL, rinfo->save_regs[17]);
OUTREG(CRTC2_GEN_CNTL, rinfo->save_regs[18]);
// wait VBL before that one ?
OUTPLL(P2PLL_CNTL, rinfo->save_regs[8]);
OUTREG(GPIOPAD_A, rinfo->save_regs[19]);
OUTREG(GPIOPAD_EN, rinfo->save_regs[20]);
OUTREG(GPIOPAD_MASK, rinfo->save_regs[21]);
OUTREG(ZV_LCDPAD_A, rinfo->save_regs[22]);
OUTREG(ZV_LCDPAD_EN, rinfo->save_regs[23]);
OUTREG(ZV_LCDPAD_MASK, rinfo->save_regs[24]);
OUTREG(GPIO_VGA_DDC, rinfo->save_regs[25]);
OUTREG(GPIO_DVI_DDC, rinfo->save_regs[26]);
OUTREG(GPIO_MONID, rinfo->save_regs[27]);
OUTREG(GPIO_CRT2_DDC, rinfo->save_regs[28]);
}
static void radeon_pm_disable_iopad(struct radeonfb_info *rinfo)
{
OUTREG(GPIOPAD_MASK, 0x0001ffff);
OUTREG(GPIOPAD_EN, 0x00000400);
OUTREG(GPIOPAD_A, 0x00000000);
OUTREG(ZV_LCDPAD_MASK, 0x00000000);
OUTREG(ZV_LCDPAD_EN, 0x00000000);
OUTREG(ZV_LCDPAD_A, 0x00000000);
OUTREG(GPIO_VGA_DDC, 0x00030000);
OUTREG(GPIO_DVI_DDC, 0x00000000);
OUTREG(GPIO_MONID, 0x00030000);
OUTREG(GPIO_CRT2_DDC, 0x00000000);
}
static void radeon_pm_program_v2clk(struct radeonfb_info *rinfo)
{
//
// u32 reg;
//
// OUTPLL(P2PLL_REF_DIV, 0x0c);
//
// .../... figure out what macos does here
}
static void radeon_pm_low_current(struct radeonfb_info *rinfo)
{
u32 reg;
reg = INREG(BUS_CNTL1);
reg &= ~BUS_CNTL1_MOBILE_PLATFORM_SEL_MASK;
reg |= BUS_CNTL1_AGPCLK_VALID | (1<<BUS_CNTL1_MOBILE_PLATFORM_SEL_SHIFT);
OUTREG(BUS_CNTL1, reg);
reg = INPLL(PLL_PWRMGT_CNTL);
reg |= PLL_PWRMGT_CNTL_SPLL_TURNOFF | PLL_PWRMGT_CNTL_PPLL_TURNOFF |
PLL_PWRMGT_CNTL_P2PLL_TURNOFF | PLL_PWRMGT_CNTL_TVPLL_TURNOFF;
reg &= ~PLL_PWRMGT_CNTL_SU_MCLK_USE_BCLK;
reg &= ~PLL_PWRMGT_CNTL_MOBILE_SU;
OUTPLL(PLL_PWRMGT_CNTL, reg);
// reg = INPLL(TV_PLL_CNTL1);
// reg |= TV_PLL_CNTL1__TVPLL_RESET | TV_PLL_CNTL1__TVPLL_SLEEP;
// OUTPLL(TV_PLL_CNTL1, reg);
reg = INREG(TV_DAC_CNTL);
reg &= ~(TV_DAC_CNTL_BGADJ_MASK |TV_DAC_CNTL_DACADJ_MASK);
reg |=TV_DAC_CNTL_BGSLEEP | TV_DAC_CNTL_RDACPD | TV_DAC_CNTL_GDACPD |
TV_DAC_CNTL_BDACPD |
(8<<TV_DAC_CNTL_BGADJ__SHIFT) | (8<<TV_DAC_CNTL_DACADJ__SHIFT);
OUTREG(TV_DAC_CNTL, reg);
reg = INREG(TMDS_TRANSMITTER_CNTL);
reg &= ~(TMDS_PLL_EN |TMDS_PLLRST);
OUTREG(TMDS_TRANSMITTER_CNTL, reg);
// lvds_pll_cntl = regr32(g, LVDS_PLL_CNTL);
// lvds_pll_cntl &= ~LVDS_PLL_CNTL__LVDS_PLL_EN;
// lvds_pll_cntl |= LVDS_PLL_CNTL__LVDS_PLL_RESET;
// regw32(g, LVDS_PLL_CNTL, lvds_pll_cntl);
reg = INREG(DAC_CNTL);
reg &= ~DAC_CMP_EN;
OUTREG(DAC_CNTL, reg);
reg = INREG(DAC_CNTL2);
reg &= ~DAC2_CMP_EN;
OUTREG(DAC_CNTL2, reg);
reg = INREG(TV_DAC_CNTL);
reg &= ~TV_DAC_CNTL_DETECT;
OUTREG(TV_DAC_CNTL, reg);
}
static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
{
/* This code is disabled. It does what is in the pm_init
* function of the MacOS driver code ATI sent me. However,
* it doesn't fix my sleep problem, and is causing other issues
* on wakeup (bascially the machine dying when switching consoles
* I haven't had time to investigate this yet
*/
#if 0
u32 disp_misc_cntl;
u32 disp_pwr_man;
u32 temp;
// set SPLL, MPLL, PPLL, P2PLL, TVPLL, SCLK, MCLK, PCLK, P2CLK,
// TCLK and TEST_MODE to 0
temp = INPLL(CLK_PWRMGT_CNTL);
OUTPLL(CLK_PWRMGT_CNTL , temp & ~0xc00002ff);
// Turn on Power Management
temp = INPLL(CLK_PWRMGT_CNTL);
OUTPLL(CLK_PWRMGT_CNTL , temp | 0x00000400);
// Turn off display clock if using mobile chips
temp = INPLL(CLK_PWRMGT_CNTL);
OUTREG(CLK_PWRMGT_CNTL , temp | 0x00100000);
// Force PIXCLK_ALWAYS_ON and PIXCLK_DAC_ALWAYS_ON
temp = INPLL(VCLK_ECP_CNTL);
OUTPLL(VCLK_ECP_CNTL, temp & ~0x000000c0);
// Force ECP_FORCE_ON to 1
temp = INPLL(VCLK_ECP_CNTL);
OUTPLL(VCLK_ECP_CNTL, temp | 0x00040000);
// Force PIXCLK_BLEND_ALWAYS_ON and PIXCLK_GV_ALWAYS_ON
temp = INPLL(PIXCLKS_CNTL);
OUTPLL(PIXCLKS_CNTL, temp & ~0x00001800);
// Forcing SCLK_CNTL to ON
OUTPLL(SCLK_CNTL, (INPLL(SCLK_CNTL)& 0x00000007) | 0xffff8000 );
// Set PM control over XTALIN pad
temp = INPLL(CLK_PIN_CNTL);
OUTPLL(CLK_PIN_CNTL, temp | 0x00080000);
// Force MCLK and YCLK and MC as dynamic
temp = INPLL(MCLK_CNTL);
OUTPLL(MCLK_CNTL, temp & 0xffeaffff);
// PLL_TURNOFF
temp = INPLL(PLL_PWRMGT_CNTL);
OUTPLL(PLL_PWRMGT_CNTL, temp | 0x0000001f);
// set MOBILE_SU to 1 if M6 or DDR64 is detected
temp = INPLL(PLL_PWRMGT_CNTL);
OUTPLL(PLL_PWRMGT_CNTL, temp | 0x00010000);
// select PM access mode (PM_MODE_SEL) (use ACPI mode)
// temp = INPLL(PLL_PWRMGT_CNTL);
// OUTPLL(PLL_PWRMGT_CNTL, temp | 0x00002000);
temp = INPLL(PLL_PWRMGT_CNTL);
OUTPLL(PLL_PWRMGT_CNTL, temp & ~0x00002000);
// set DISP_MISC_CNTL register
disp_misc_cntl = INREG(DISP_MISC_CNTL);
disp_misc_cntl &= ~( DISP_MISC_CNTL_SOFT_RESET_GRPH_PP |
DISP_MISC_CNTL_SOFT_RESET_SUBPIC_PP |
DISP_MISC_CNTL_SOFT_RESET_OV0_PP |
DISP_MISC_CNTL_SOFT_RESET_GRPH_SCLK |
DISP_MISC_CNTL_SOFT_RESET_SUBPIC_SCLK |
DISP_MISC_CNTL_SOFT_RESET_OV0_SCLK |
DISP_MISC_CNTL_SOFT_RESET_GRPH2_PP |
DISP_MISC_CNTL_SOFT_RESET_GRPH2_SCLK |
DISP_MISC_CNTL_SOFT_RESET_LVDS |
DISP_MISC_CNTL_SOFT_RESET_TMDS |
DISP_MISC_CNTL_SOFT_RESET_DIG_TMDS |
DISP_MISC_CNTL_SOFT_RESET_TV);
OUTREG(DISP_MISC_CNTL, disp_misc_cntl);
// set DISP_PWR_MAN register
disp_pwr_man = INREG(DISP_PWR_MAN);
// clau - 9.29.2000 - changes made to bit23:18 to set to 1 as requested by George
disp_pwr_man |= (DISP_PWR_MAN_DIG_TMDS_ENABLE_RST |
DISP_PWR_MAN_TV_ENABLE_RST |
// DISP_PWR_MAN_AUTO_PWRUP_EN |
DISP_PWR_MAN_DISP_D3_GRPH_RST |
DISP_PWR_MAN_DISP_D3_SUBPIC_RST |
DISP_PWR_MAN_DISP_D3_OV0_RST |
DISP_PWR_MAN_DISP_D1D2_GRPH_RST |
DISP_PWR_MAN_DISP_D1D2_SUBPIC_RST |
DISP_PWR_MAN_DISP_D1D2_OV0_RST);
disp_pwr_man &= ~(DISP_PWR_MAN_DISP_PWR_MAN_D3_CRTC_EN |
DISP_PWR_MAN_DISP2_PWR_MAN_D3_CRTC2_EN|
DISP_PWR_MAN_DISP_D3_RST |
DISP_PWR_MAN_DISP_D3_REG_RST);
OUTREG(DISP_PWR_MAN, disp_pwr_man);
// clau - 10.24.2000
// - add in setting for BUS_CNTL1 b27:26 = 0x01 and b31 = 0x1
// - add in setting for AGP_CNTL b7:0 = 0x20
// - add in setting for DVI_DDC_DATA_OUT_EN b17:16 = 0x0
// the following settings (two lines) are applied at a later part of this function, only on mobile platform
// requres -mobile flag
OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1) & 0xf3ffffff) | 0x04000000);
OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) | 0x80000000);
OUTREG(AGP_CNTL, (INREG(AGP_CNTL) & 0xffffff00) | 0x20);
OUTREG(GPIO_DVI_DDC, INREG(GPIO_DVI_DDC) & 0xfffcffff);
// yulee - 12.12.2000
// A12 only
// EN_MCLK_TRISTATE_IN_SUSPEND@MCLK_MISC = 1
// ACCESS_REGS_IN_SUSPEND@CLK_PIN_CNTL = 0
// only on mobile platform
OUTPLL(MCLK_MISC, INPLL(MCLK_MISC) | 0x00040000 );
// yulee -12.12.2000
// AGPCLK_VALID@BUS_CNTL1 = 1
// MOBILE_PLATFORM_SEL@BUS_CNTL1 = 01
// CRTC_STEREO_SYNC_OUT_EN@CRTC_OFFSET_CNTL = 0
// CG_CLK_TO_OUTPIN@CLK_PIN_CNTL = 0
// only on mobile platform
OUTPLL(CLK_PIN_CNTL, INPLL(CLK_PIN_CNTL ) & 0xFFFFF7FF );
OUTREG(BUS_CNTL1, (INREG(BUS_CNTL1 ) & 0xF3FFFFFF) | 0x84000000 );
OUTREG(CRTC_OFFSET_CNTL, INREG(CRTC_OFFSET_CNTL ) & 0xFFEFFFFF );
mdelay(100);
#endif
/* Disable CRTCs */
OUTREG(CRTC_GEN_CNTL, (INREG(CRTC_GEN_CNTL) & ~CRTC_EN) | CRTC_DISP_REQ_EN_B);
OUTREG(CRTC2_GEN_CNTL, (INREG(CRTC2_GEN_CNTL) & ~CRTC2_EN) | CRTC2_DISP_REQ_EN_B);
(void)INREG(CRTC2_GEN_CNTL);
mdelay(17);
}
static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
{
u16 pwr_cmd;
if (!rinfo->pm_reg)
return;
/* Set the chip into appropriate suspend mode (we use D2,
* D3 would require a compete re-initialization of the chip,
* including PCI config registers, clocks, AGP conf, ...)
*/
if (suspend) {
/* According to ATI, we should program V2CLK here, I have
* to verify what's up exactly
*/
/* Save some registers */
radeon_pm_save_regs(rinfo);
/* Check that on M7 too, might work might not. M7 may also
* need explicit enabling of PM
*/
if (rinfo->arch == RADEON_M6) {
/* Program V2CLK */
radeon_pm_program_v2clk(rinfo);
/* Disable IO PADs */
radeon_pm_disable_iopad(rinfo);
/* Set low current */
radeon_pm_low_current(rinfo);
/* Prepare chip for power management */
radeon_pm_setup_for_suspend(rinfo);
/* Reset the MDLL */
OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) | MCKOA_RESET);
(void)INPLL(MDLL_RDCKA);
OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) & ~MCKOA_RESET);
(void)INPLL(MDLL_RDCKA);
}
/* Switch PCI power managment to D2. */
for (;;) {
pci_read_config_word(
rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
&pwr_cmd);
if (pwr_cmd & 2)
break;
pci_write_config_word(
rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
(pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | 2);
mdelay(500);
}
} else {
/* Switch back PCI powermanagment to D0 */
mdelay(200);
pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0);
mdelay(500);
dbg_clk = INPLL(1);
/* Do we need that on M7 ? */
if (rinfo->arch == RADEON_M6) {
/* Restore the MDLL */
OUTPLL(MDLL_CKO, INPLL(MDLL_CKO) & ~MCKOA_RESET);
(void)INPLL(MDLL_CKO);
}
/* Restore some registers */
radeon_pm_restore_regs(rinfo);
}
}
/*
* Save the contents of the framebuffer when we go to sleep,
* and restore it when we wake up again.
*/
int radeon_sleep_notify(struct pmu_sleep_notifier *self, int when)
{
struct radeonfb_info *rinfo;
for (rinfo = board_list; rinfo != NULL; rinfo = rinfo->next) {
struct fb_fix_screeninfo fix;
int nb;
struct display *disp;
disp = (rinfo->currcon < 0) ? rinfo->info.disp : &fb_display[rinfo->currcon];
switch (rinfo->arch) {
case RADEON_M6:
case RADEON_M7:
case RADEON_M9:
break;
default:
return PBOOK_SLEEP_REFUSE;
}
radeonfb_get_fix(&fix, fg_console, (struct fb_info *)rinfo);
nb = fb_display[fg_console].var.yres * fix.line_length;
switch (when) {
case PBOOK_SLEEP_NOW:
acquire_console_sem();
disp->dispsw = &fbcon_dummy;
if (!noaccel) {
/* Make sure engine is reset */
radeon_engine_reset();
radeon_engine_idle();
}
/* Blank display and LCD */
radeonfb_blank(VESA_POWERDOWN+1,
(struct fb_info *)rinfo);
/* Sleep */
rinfo->asleep = 1;
radeon_set_suspend(rinfo, 1);
release_console_sem();
break;
case PBOOK_WAKE:
acquire_console_sem();
/* Wakeup */
radeon_set_suspend(rinfo, 0);
if (!noaccel)
radeon_engine_init(rinfo);
rinfo->asleep = 0;
radeon_set_dispsw(rinfo, disp);
radeon_load_video_mode(rinfo, &disp->var);
do_install_cmap(rinfo->currcon < 0 ? 0 : rinfo->currcon,
(struct fb_info *)rinfo);
radeonfb_blank(0, (struct fb_info *)rinfo);
release_console_sem();
printk("CLK_PIN_CNTL on wakeup was: %08x\n", dbg_clk);
break;
}
}
return PBOOK_SLEEP_OK;
}
#endif /* CONFIG_PMAC_PBOOK */
static int radeonfb_pci_register (struct pci_dev *pdev,
const struct pci_device_id *ent)
{
struct radeonfb_info *rinfo;
struct radeon_chip_info *rci = &radeon_chip_info[ent->driver_data];
u32 tmp;
RTRACE("radeonfb_pci_register BEGIN\n");
/* Enable device in PCI config */
if (pci_enable_device(pdev) != 0) {
printk(KERN_ERR "radeonfb: Cannot enable PCI device\n");
return -ENODEV;
}
rinfo = kmalloc (sizeof (struct radeonfb_info), GFP_KERNEL);
if (!rinfo) {
printk ("radeonfb: could not allocate memory\n");
return -ENODEV;
}
memset (rinfo, 0, sizeof (struct radeonfb_info));
//info = &rinfo->info;
rinfo->pdev = pdev;
strcpy(rinfo->name, rci->name);
rinfo->arch = rci->arch;
/* Set base addrs */
rinfo->fb_base_phys = pci_resource_start (pdev, 0);
rinfo->mmio_base_phys = pci_resource_start (pdev, 2);
/* request the mem regions */
if (!request_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0), "radeonfb")) {
printk ("radeonfb: cannot reserve FB region\n");
kfree (rinfo);
return -ENODEV;
}
if (!request_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2), "radeonfb")) {
printk ("radeonfb: cannot reserve MMIO region\n");
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
return -ENODEV;
}
/* map the regions */
rinfo->mmio_base = ioremap (rinfo->mmio_base_phys, RADEON_REGSIZE);
if (!rinfo->mmio_base) {
printk ("radeonfb: cannot map MMIO\n");
release_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2));
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
return -ENODEV;
}
rinfo->chipset = pdev->device;
switch (rinfo->arch) {
case RADEON_R100:
rinfo->hasCRTC2 = 0;
break;
default:
/* all the rest have it */
rinfo->hasCRTC2 = 1;
break;
}
#if 0
if (rinfo->arch == RADEON_M7) {
/*
* Noticed some errors in accel with M7, will have to work these out...
*/
noaccel = 1;
}
#endif
if (mirror)
printk("radeonfb: mirroring display to CRT\n");
/* framebuffer size */
tmp = INREG(CONFIG_MEMSIZE);
/* mem size is bits [28:0], mask off the rest */
rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK;
/* ram type */
tmp = INREG(MEM_SDRAM_MODE_REG);
switch ((MEM_CFG_TYPE & tmp) >> 30) {
case 0:
/* SDR SGRAM (2:1) */
strcpy(rinfo->ram_type, "SDR SGRAM");
rinfo->ram.ml = 4;
rinfo->ram.mb = 4;
rinfo->ram.trcd = 1;
rinfo->ram.trp = 2;
rinfo->ram.twr = 1;
rinfo->ram.cl = 2;
rinfo->ram.loop_latency = 16;
rinfo->ram.rloop = 16;
break;
case 1:
/* DDR SGRAM */
strcpy(rinfo->ram_type, "DDR SGRAM");
rinfo->ram.ml = 4;
rinfo->ram.mb = 4;
rinfo->ram.trcd = 3;
rinfo->ram.trp = 3;
rinfo->ram.twr = 2;
rinfo->ram.cl = 3;
rinfo->ram.tr2w = 1;
rinfo->ram.loop_latency = 16;
rinfo->ram.rloop = 16;
break;
default:
/* 64-bit SDR SGRAM */
strcpy(rinfo->ram_type, "SDR SGRAM 64");
rinfo->ram.ml = 4;
rinfo->ram.mb = 8;
rinfo->ram.trcd = 3;
rinfo->ram.trp = 3;
rinfo->ram.twr = 1;
rinfo->ram.cl = 3;
rinfo->ram.tr2w = 1;
rinfo->ram.loop_latency = 17;
rinfo->ram.rloop = 17;
break;
}
rinfo->bios_seg = radeon_find_rom(rinfo);
radeon_get_pllinfo(rinfo, rinfo->bios_seg);
/*
* Hack to get around some busted production M6's
* reporting no ram
*/
if (rinfo->video_ram == 0) {
switch (pdev->device) {
case PCI_DEVICE_ID_ATI_RADEON_LY:
case PCI_DEVICE_ID_ATI_RADEON_LZ:
rinfo->video_ram = 8192 * 1024;
break;
default:
break;
}
}
RTRACE("radeonfb: probed %s %dk videoram\n", (rinfo->ram_type), (rinfo->video_ram/1024));
#if !defined(__powerpc__)
radeon_get_moninfo(rinfo);
#else
switch (pdev->device) {
case PCI_DEVICE_ID_ATI_RADEON_LW:
case PCI_DEVICE_ID_ATI_RADEON_LX:
case PCI_DEVICE_ID_ATI_RADEON_LY:
case PCI_DEVICE_ID_ATI_RADEON_LZ:
rinfo->dviDisp_type = MT_LCD;
break;
default:
radeon_get_moninfo(rinfo);
break;
}
#endif
radeon_get_EDID(rinfo);
if ((rinfo->dviDisp_type == MT_DFP) || (rinfo->dviDisp_type == MT_LCD) ||
(rinfo->crtDisp_type == MT_DFP)) {
if (!radeon_get_dfpinfo(rinfo)) {
iounmap(rinfo->mmio_base);
release_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2));
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
return -ENODEV;
}
}
rinfo->fb_base = ioremap (rinfo->fb_base_phys, rinfo->video_ram);
if (!rinfo->fb_base) {
printk ("radeonfb: cannot map FB\n");
iounmap(rinfo->mmio_base);
release_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2));
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
return -ENODEV;
}
/* I SHOULD FIX THAT CRAP ! I should probably mimmic XFree DRI
* driver setup here.
*
* On PPC, OF based cards setup the internal memory
* mapping in strange ways. We change it so that the
* framebuffer is mapped at 0 and given half of the card's
* address space (2Gb). AGP is mapped high (0xe0000000) and
* can use up to 512Mb. Once DRI is fully implemented, we
* will have to setup the PCI remapper to remap the agp_special_page
* memory page somewhere between those regions so that the card
* use a normal PCI bus master cycle to access the ring read ptr.
* --BenH.
*/
#ifdef CONFIG_ALL_PPC
if (rinfo->hasCRTC2)
OUTREG(CRTC2_GEN_CNTL,
(INREG(CRTC2_GEN_CNTL) & ~CRTC2_EN) | CRTC2_DISP_REQ_EN_B);
OUTREG(CRTC_EXT_CNTL, INREG(CRTC_EXT_CNTL) | CRTC_DISPLAY_DIS);
OUTREG(MC_FB_LOCATION, 0x7fff0000);
OUTREG(MC_AGP_LOCATION, 0xffffe000);
OUTREG(DISPLAY_BASE_ADDR, 0x00000000);
if (rinfo->hasCRTC2)
OUTREG(CRTC2_DISPLAY_BASE_ADDR, 0x00000000);
OUTREG(SRC_OFFSET, 0x00000000);
OUTREG(DST_OFFSET, 0x00000000);
mdelay(10);
OUTREG(CRTC_EXT_CNTL, INREG(CRTC_EXT_CNTL) & ~CRTC_DISPLAY_DIS);
#endif /* CONFIG_ALL_PPC */
/* save current mode regs before we switch into the new one
* so we can restore this upon __exit
*/
radeon_save_state (rinfo, &rinfo->init_state);
/* set all the vital stuff */
radeon_set_fbinfo (rinfo);
pci_set_drvdata(pdev, rinfo);
rinfo->next = board_list;
board_list = rinfo;
((struct fb_info *) rinfo)->device = &pdev->dev;
if (register_framebuffer ((struct fb_info *) rinfo) < 0) {
printk ("radeonfb: could not register framebuffer\n");
iounmap(rinfo->fb_base);
iounmap(rinfo->mmio_base);
release_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2));
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
return -ENODEV;
}
#ifdef CONFIG_MTRR
rinfo->mtrr_hdl = nomtrr ? -1 : mtrr_add(rinfo->fb_base_phys,
rinfo->video_ram,
MTRR_TYPE_WRCOMB, 1);
#endif
#ifdef CONFIG_PMAC_BACKLIGHT
if (rinfo->dviDisp_type == MT_LCD)
register_backlight_controller(&radeon_backlight_controller,
rinfo, "ati");
#endif
#ifdef CONFIG_PMAC_PBOOK
if (rinfo->dviDisp_type == MT_LCD) {
rinfo->pm_reg = pci_find_capability(pdev, PCI_CAP_ID_PM);
pmu_register_sleep_notifier(&radeon_sleep_notifier);
}
#endif
printk ("radeonfb: ATI Radeon %s %s %d MB\n", rinfo->name, rinfo->ram_type,
(rinfo->video_ram/(1024*1024)));
if (rinfo->hasCRTC2) {
printk("radeonfb: DVI port %s monitor connected\n",
GET_MON_NAME(rinfo->dviDisp_type));
printk("radeonfb: CRT port %s monitor connected\n",
GET_MON_NAME(rinfo->crtDisp_type));
} else {
printk("radeonfb: CRT port %s monitor connected\n",
GET_MON_NAME(rinfo->crtDisp_type));
}
RTRACE("radeonfb_pci_register END\n");
return 0;
}
static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev)
{
struct radeonfb_info *rinfo = pci_get_drvdata(pdev);
if (!rinfo)
return;
/* restore original state
*
* Doesn't quite work yet, possibly because of the PPC hacking
* I do on startup, disable for now. --BenH
*/
radeon_write_mode (rinfo, &rinfo->init_state);
#ifdef CONFIG_MTRR
if (rinfo->mtrr_hdl >= 0)
mtrr_del(rinfo->mtrr_hdl, 0, 0);
#endif
unregister_framebuffer ((struct fb_info *) rinfo);
iounmap(rinfo->mmio_base);
iounmap(rinfo->fb_base);
release_mem_region (rinfo->mmio_base_phys,
pci_resource_len(pdev, 2));
release_mem_region (rinfo->fb_base_phys,
pci_resource_len(pdev, 0));
kfree (rinfo);
}
static struct pci_driver radeonfb_driver = {
.name = "radeonfb",
.id_table = radeonfb_pci_table,
.probe = radeonfb_pci_register,
.remove = __devexit_p(radeonfb_pci_unregister),
};
#ifndef MODULE
static int __init radeonfb_old_setup (char *options)
{
char *this_opt;
if (!options || !*options)
return 0;
while ((this_opt = strsep (&options, ",")) != NULL) {
if (!*this_opt)
continue;
if (!strncmp(this_opt, "noaccel", 7)) {
noaccel = 1;
} else if (!strncmp(this_opt, "mirror", 6)) {
mirror = 1;
} else if (!strncmp(this_opt, "dfp", 3)) {
force_dfp = 1;
} else if (!strncmp(this_opt, "panel_yres:", 11)) {
panel_yres = simple_strtoul((this_opt+11), NULL, 0);
} else if (!strncmp(this_opt, "nomtrr", 6)) {
nomtrr = 1;
} else
mode_option = this_opt;
}
return 0;
}
#endif /* MODULE */
static int __init radeonfb_old_init (void)
{
#ifndef MODULE
char *option = NULL;
if (fb_get_options("radeonfb_old", &option))
return -ENODEV;
radeonfb_old_setup(option);
#endif
return pci_register_driver (&radeonfb_driver);
}
static void __exit radeonfb_old_exit (void)
{
pci_unregister_driver (&radeonfb_driver);
}
module_init(radeonfb_old_init);
module_exit(radeonfb_old_exit);
MODULE_AUTHOR("Ani Joshi");
MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
MODULE_LICENSE("GPL");
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