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path: root/drivers/video/radeonfb.c
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-rw-r--r--drivers/video/radeonfb.c3168
1 files changed, 3168 insertions, 0 deletions
diff --git a/drivers/video/radeonfb.c b/drivers/video/radeonfb.c
new file mode 100644
index 000000000000..d9a084e77a63
--- /dev/null
+++ b/drivers/video/radeonfb.c
@@ -0,0 +1,3168 @@
+/*
+ * 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 1
+
+#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 < sizeof(radeon_sig)/sizeof(char *);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 inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg, struct fb_info *info)
+{
+ 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 == _MACH_Pmac) {
+ 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<8; 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
+ .fb_cursor = soft_cursor,
+};
+
+
+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");
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-08 15:03:02 +0000