radeonfb.c
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上传日期:2013-02-24
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- /*
- * drivers/video/radeonfb.c
- * framebuffer driver for ATI Radeon chipset video boards
- *
- * Copyright 2000 Ani Joshi <ajoshi@unixbox.com>
- *
- *
- * 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
- *
- * Special thanks to ATI DevRel team for their hardware donations.
- *
- */
- #define RADEON_VERSION "0.1.4"
- #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/console.h>
- #include <linux/selection.h>
- #include <linux/ioport.h>
- #include <linux/init.h>
- #include <linux/pci.h>
- #include <linux/vmalloc.h>
- #include <asm/io.h>
- #if defined(__powerpc__)
- #include <asm/prom.h>
- #include <asm/pci-bridge.h>
- #include <video/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__ */
- #include <video/fbcon.h>
- #include <video/fbcon-cfb8.h>
- #include <video/fbcon-cfb16.h>
- #include <video/fbcon-cfb24.h>
- #include <video/fbcon-cfb32.h>
- #include "radeon.h"
- #define DEBUG 0
- #if DEBUG
- #define RTRACE printk
- #else
- #define RTRACE if(0) printk
- #endif
- enum radeon_chips {
- RADEON_QD, /* Radeon R100 */
- RADEON_QE, /* Radeon R100 */
- RADEON_QF, /* Radeon R100 */
- RADEON_QG, /* Radeon R100 */
- RADEON_QY, /* Radeon RV100 (VE) */
- RADEON_QZ, /* Radeon RV100 (VE) */
- RADEON_QL, /* Radeon R200 (8500) */
- RADEON_QW, /* Radeon RV200 (7500) */
- RADEON_LW, /* Radeon Mobility M7 */
- RADEON_LY, /* Radeon Mobility M6 */
- RADEON_LZ /* Radeon Mobility M6 */
- };
- 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[] __devinitdata = {
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QD, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QD},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QE, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QE},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QF, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QF},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QG, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QG},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QY},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QZ},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QL, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QL},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_QW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_QW},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_LW, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LW},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_LY, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LY},
- { PCI_VENDOR_ID_ATI, PCI_DEVICE_ID_RADEON_LZ, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RADEON_LZ},
- { 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
- */
- 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 },
- };
- #define COMMON_REGS_SIZE = (sizeof(common_regs)/sizeof(common_regs[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;
- /* 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[17];
- char ram_type[12];
- u32 mmio_base_phys;
- u32 fb_base_phys;
- u32 mmio_base;
- u32 fb_base;
- struct pci_dev *pdev;
- unsigned char *EDID;
- unsigned char *bios_seg;
- struct display disp;
- int currcon;
- struct display *currcon_display;
- struct { u8 red, green, blue, pad; } palette[256];
- int chipset;
- int video_ram;
- u8 rev;
- int pitch, bpp, depth;
- int xres, yres, pixclock;
- 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;
- u32 hack_crtc_ext_cntl;
- u32 hack_crtc_v_sync_strt_wid;
- #if defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB32)
- union {
- #if defined(FBCON_HAS_CFB16)
- u_int16_t cfb16[16];
- #endif
- #if defined(FBCON_HAS_CFB24)
- u_int32_t cfb24[16];
- #endif
- #if defined(FBCON_HAS_CFB32)
- u_int32_t cfb32[16];
- #endif
- } con_cmap;
- #endif
- #ifdef CONFIG_PMAC_PBOOK
- unsigned char *save_framebuffer;
- int pm_reg;
- #endif
- 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) OUTREG8(CLOCK_CNTL_INDEX, (addr & 0x0000001f) | 0x00000080);
- OUTREG(CLOCK_CNTL_DATA, val)
- #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 & 0x0000001f);
- 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 |
- SOFT_RESET_HDP);
- 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 |
- SOFT_RESET_HDP));
- 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__ u8 radeon_get_post_div_bitval(int post_div)
- {
- switch (post_div) {
- case 1:
- return 0x00;
- case 2:
- return 0x01;
- case 3:
- return 0x04;
- case 4:
- return 0x02;
- case 6:
- return 0x06;
- case 8:
- return 0x03;
- case 12:
- return 0x07;
- default:
- return 0x02;
- }
- }
- 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
- */
-
- static char fontname[40] __initdata;
- static char *mode_option __initdata;
- static char noaccel __initdata = 0;
- static int panel_yres __initdata = 0;
- static char force_dfp __initdata = 0;
- static struct radeonfb_info *board_list = NULL;
- #ifdef FBCON_HAS_CFB8
- static struct display_switch fbcon_radeon8;
- #endif
- /*
- * prototypes
- */
- static int radeonfb_get_fix (struct fb_fix_screeninfo *fix, int con,
- struct fb_info *info);
- static int radeonfb_get_var (struct fb_var_screeninfo *var, int con,
- struct fb_info *info);
- static int radeonfb_set_var (struct fb_var_screeninfo *var, int con,
- struct fb_info *info);
- static int radeonfb_get_cmap (struct fb_cmap *cmap, int kspc, int con,
- struct fb_info *info);
- static int radeonfb_set_cmap (struct fb_cmap *cmap, int kspc, int con,
- struct fb_info *info);
- static int radeonfb_pan_display (struct fb_var_screeninfo *var, int con,
- struct fb_info *info);
- static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, int con, struct fb_info *info);
- static int radeonfb_switch (int con, struct fb_info *info);
- static int radeonfb_updatevar (int con, struct fb_info *info);
- static void radeonfb_blank (int blank, struct fb_info *info);
- static int radeon_get_cmap_len (const struct fb_var_screeninfo *var);
- static int radeon_getcolreg (unsigned regno, unsigned *red, unsigned *green,
- unsigned *blue, unsigned *transp,
- struct fb_info *info);
- static int radeon_setcolreg (unsigned regno, unsigned red, unsigned green,
- unsigned blue, unsigned transp, struct fb_info *info);
- static void radeon_set_dispsw (struct radeonfb_info *rinfo, struct display *disp);
- 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_load_video_mode (struct radeonfb_info *rinfo,
- struct fb_var_screeninfo *mode);
- 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);
- static int radeonfb_pci_register (struct pci_dev *pdev,
- const struct pci_device_id *ent);
- static void __devexit radeonfb_pci_unregister (struct pci_dev *pdev);
- static char *radeon_find_rom(struct radeonfb_info *rinfo);
- static void radeon_get_pllinfo(struct radeonfb_info *rinfo, char *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_ALL_PPC
- 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,
- };
- 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_PBOOK */
- #endif /* CONFIG_ALL_PPC */
- static struct fb_ops radeon_fb_ops = {
- fb_get_fix: radeonfb_get_fix,
- fb_get_var: radeonfb_get_var,
- fb_set_var: radeonfb_set_var,
- fb_get_cmap: radeonfb_get_cmap,
- fb_set_cmap: radeonfb_set_cmap,
- fb_pan_display: radeonfb_pan_display,
- fb_ioctl: radeonfb_ioctl,
- };
- static struct pci_driver radeonfb_driver = {
- name: "radeonfb",
- id_table: radeonfb_pci_table,
- probe: radeonfb_pci_register,
- remove: __devexit_p(radeonfb_pci_unregister),
- };
- int __init radeonfb_init (void)
- {
- return pci_module_init (&radeonfb_driver);
- }
- void __exit radeonfb_exit (void)
- {
- pci_unregister_driver (&radeonfb_driver);
- }
- int __init radeonfb_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, "font:", 5)) {
- char *p;
- int i;
-
- p = this_opt + 5;
- for (i=0; i<sizeof (fontname) - 1; i++)
- if (!*p || *p == ' ' || *p == ',')
- break;
- memcpy(fontname, this_opt + 5, i);
- } else if (!strncmp(this_opt, "noaccel", 7)) {
- noaccel = 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
- mode_option = this_opt;
- }
- return 0;
- }
- #ifdef MODULE
- module_init(radeonfb_init);
- module_exit(radeonfb_exit);
- #endif
- MODULE_AUTHOR("Ani Joshi");
- MODULE_DESCRIPTION("framebuffer driver for ATI Radeon chipset");
- MODULE_LICENSE("GPL");
- static int radeonfb_pci_register (struct pci_dev *pdev,
- const struct pci_device_id *ent)
- {
- struct radeonfb_info *rinfo;
- u32 tmp;
- int i, j;
- RTRACE("radeonfb_pci_register BEGINn");
- rinfo = kmalloc (sizeof (struct radeonfb_info), GFP_KERNEL);
- if (!rinfo) {
- printk ("radeonfb: could not allocate memoryn");
- return -ENODEV;
- }
- memset (rinfo, 0, sizeof (struct radeonfb_info));
- rinfo->pdev = pdev;
- /* enable device */
- {
- int err;
- if ((err = pci_enable_device(pdev))) {
- printk("radeonfb: cannot enable devicen");
- kfree (rinfo);
- return -ENODEV;
- }
- }
- /* 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 regionn");
- kfree (rinfo);
- return -ENODEV;
- }
- if (!request_mem_region (rinfo->mmio_base_phys,
- pci_resource_len(pdev, 2), "radeonfb")) {
- printk ("radeonfb: cannot reserve MMIO regionn");
- release_mem_region (rinfo->fb_base_phys,
- pci_resource_len(pdev, 0));
- kfree (rinfo);
- return -ENODEV;
- }
- /* map the regions */
- rinfo->mmio_base = (u32) ioremap (rinfo->mmio_base_phys,
- RADEON_REGSIZE);
- if (!rinfo->mmio_base) {
- printk ("radeonfb: cannot map MMIOn");
- 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;
- /* chipset */
- switch (pdev->device) {
- case PCI_DEVICE_ID_RADEON_QD:
- strcpy(rinfo->name, "Radeon QD ");
- break;
- case PCI_DEVICE_ID_RADEON_QE:
- strcpy(rinfo->name, "Radeon QE ");
- break;
- case PCI_DEVICE_ID_RADEON_QF:
- strcpy(rinfo->name, "Radeon QF ");
- break;
- case PCI_DEVICE_ID_RADEON_QG:
- strcpy(rinfo->name, "Radeon QG ");
- break;
- case PCI_DEVICE_ID_RADEON_QY:
- strcpy(rinfo->name, "Radeon QY VE ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_QZ:
- strcpy(rinfo->name, "Radeon QZ VE ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_QW:
- strcpy(rinfo->name, "Radeon 7500 QW ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_QL:
- strcpy(rinfo->name, "Radeon 8500 QL ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_LW:
- strcpy(rinfo->name, "Radeon M7 LW ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_LY:
- strcpy(rinfo->name, "Radeon M6 LY ");
- rinfo->hasCRTC2 = 1;
- break;
- case PCI_DEVICE_ID_RADEON_LZ:
- strcpy(rinfo->name, "Radeon M6 LZ ");
- rinfo->hasCRTC2 = 1;
- break;
- default:
- return -ENODEV;
- }
- /* 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);
- RTRACE("radeonfb: probed %s %dk videoramn", (rinfo->ram_type), (rinfo->video_ram/1024));
- #if !defined(__powerpc__)
- radeon_get_moninfo(rinfo);
- #else
- switch (pdev->device) {
- case PCI_DEVICE_ID_RADEON_LW:
- case PCI_DEVICE_ID_RADEON_LY:
- case PCI_DEVICE_ID_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 ((void*)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 = (u32) ioremap (rinfo->fb_base_phys,
- rinfo->video_ram);
- if (!rinfo->fb_base) {
- printk ("radeonfb: cannot map FBn");
- iounmap ((void*)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;
- }
- /* XXX turn off accel for now, blts aren't working right */
- noaccel = 1;
- /* currcon not yet configured, will be set by first switch */
- rinfo->currcon = -1;
- /* set all the vital stuff */
- radeon_set_fbinfo (rinfo);
- /* 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);
- /* init palette */
- for (i=0; i<16; i++) {
- j = color_table[i];
- rinfo->palette[i].red = default_red[j];
- rinfo->palette[i].green = default_grn[j];
- rinfo->palette[i].blue = default_blu[j];
- }
- pci_set_drvdata(pdev, rinfo);
- rinfo->next = board_list;
- board_list = rinfo;
- if (register_framebuffer ((struct fb_info *) rinfo) < 0) {
- printk ("radeonfb: could not register framebuffern");
- iounmap ((void*)rinfo->fb_base);
- iounmap ((void*)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;
- }
- if (!noaccel) {
- /* initialize the engine */
- radeon_engine_init (rinfo);
- }
- #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 %s %s %d MBn", rinfo->name, rinfo->ram_type,
- (rinfo->video_ram/(1024*1024)));
- if (rinfo->hasCRTC2) {
- printk("radeonfb: DVI port %s monitor connectedn",
- GET_MON_NAME(rinfo->dviDisp_type));
- printk("radeonfb: CRT port %s monitor connectedn",
- GET_MON_NAME(rinfo->crtDisp_type));
- } else {
- printk("radeonfb: CRT port %s monitor connectedn",
- GET_MON_NAME(rinfo->crtDisp_type));
- }
- RTRACE("radeonfb_pci_register ENDn");
- 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 */
- radeon_write_mode (rinfo, &rinfo->init_state);
-
- unregister_framebuffer ((struct fb_info *) rinfo);
-
- iounmap ((void*)rinfo->mmio_base);
- iounmap ((void*)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 char *radeon_find_rom(struct radeonfb_info *rinfo)
- {
- #if defined(__i386__)
- u32 segstart;
- char *rom_base;
- char *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 = (char *)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, char *bios_seg)
- {
- void *bios_header;
- void *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 BIOSn",
- rinfo->pll.ref_clk, rinfo->pll.ref_div, rinfo->pll.xclk);
- } else {
- #ifdef CONFIG_ALL_PPC
- 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 OFn",
- 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_RADEON_QW:
- 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_RADEON_QL:
- 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_RADEON_QD:
- case PCI_DEVICE_ID_RADEON_QE:
- case PCI_DEVICE_ID_RADEON_QF:
- case PCI_DEVICE_ID_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 defaultsn",
- 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(RADEON_BIOS_4_SCRATCH);
- 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_ALL_PPC
- if (!radeon_get_EDID_OF(rinfo))
- RTRACE("radeonfb: could not retrieve EDID from OFn");
- #else
- /* XXX use other methods later */
- #endif
- }
- #ifdef CONFIG_ALL_PPC
- static int radeon_get_EDID_OF(struct radeonfb_info *rinfo)
- {
- struct device_node *dp;
- unsigned char *pedid = NULL;
- dp = pci_device_to_OF_node(rinfo->pdev);
- pedid = (unsigned char *) get_property(dp, "DFP,EDID", 0);
- if (!pedid)
- pedid = (unsigned char *) get_property(dp, "LCD,EDID", 0);
- if (!pedid)
- pedid = (unsigned char *) get_property(dp, "EDID", 0);
- if (pedid) {
- rinfo->EDID = pedid;
- return 1;
- } else
- return 0;
- }
- #endif /* CONFIG_ALL_PPC */
- 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%dn",
- 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 *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 BIOSn");
- return 0;
- }
- if (!(tmp = rinfo->bios_seg + readw(fpbiosstart + 0x40))) {
- printk("radeonfb: Failed to detect DFP panel info using BIOSn");
- return 0;
- }
- for(i=0; i<24; i++)
- stmp[i] = readb(tmp+i+1);
- stmp[24] = 0;
- printk("radeonfb: panel ID string: %sn", stmp);
- rinfo->panel_xres = readw(tmp + 25);
- rinfo->panel_yres = readw(tmp + 27);
- printk("radeonfb: detected DFP panel size from BIOS: %dx%dn",
- rinfo->panel_xres, rinfo->panel_yres);
- for(i=0; i<20; 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 sizen");
- return 0;
- }
- printk("radeonfb: detected DFP panel size from registers: %dx%dn",
- 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_ALL_PPC
- 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", 0);
- 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(DSTCACHE_MODE, 0);
- /* XXX */
- rinfo->pitch = ((rinfo->xres * (rinfo->bpp / 8) + 0x3f)) >> 6;
- 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_set_fbinfo (struct radeonfb_info *rinfo)
- {
- struct fb_info *info;
- info = &rinfo->info;
- strcpy (info->modename, rinfo->name);
- info->node = -1;
- info->flags = FBINFO_FLAG_DEFAULT;
- info->fbops = &radeon_fb_ops;
- info->display_fg = NULL;
- strncpy (info->fontname, fontname, sizeof (info->fontname));
- info->fontname[sizeof (info->fontname) - 1] = 0;
- info->changevar = NULL;
- info->switch_con = radeonfb_switch;
- info->updatevar = radeonfb_updatevar;
- info->blank = radeonfb_blank;
- if (radeon_init_disp (rinfo) < 0)
- return -1;
- return 0;
- }
- static int __devinit radeon_init_disp (struct radeonfb_info *rinfo)
- {
- struct fb_info *info;
- struct display *disp;
- info = &rinfo->info;
- disp = &rinfo->disp;
-
- disp->var = radeonfb_default_var;
- #if defined(__powerpc__)
- if (rinfo->dviDisp_type == MT_LCD) {
- if (mac_vmode_to_var(VMODE_1152_768_60, CMODE_8, &disp->var))
- disp->var = radeonfb_default_var;
- }
- #endif
- rinfo->depth = var_to_depth(&disp->var);
- rinfo->bpp = disp->var.bits_per_pixel;
- info->disp = disp;
- radeon_set_dispsw (rinfo, disp);
- if (noaccel)
- disp->scrollmode = SCROLL_YREDRAW;
- else
- disp->scrollmode = 0;
-
- rinfo->currcon_display = disp;
- if ((radeon_init_disp_var (rinfo)) < 0)
- return -1;
-
- return 0;
- }
- static int radeon_init_disp_var (struct radeonfb_info *rinfo)
- {
- #ifndef MODULE
- if (mode_option)
- fb_find_mode (&rinfo->disp.var, &rinfo->info, mode_option,
- NULL, 0, NULL, 8);
- else
- #endif
- #if defined(__powerpc__)
- if (rinfo->dviDisp_type == MT_LCD) {
- if (mac_vmode_to_var(VMODE_1152_768_60, CMODE_8, &rinfo->disp.var))
- rinfo->disp.var = radeonfb_default_var;
- }
- else
- #endif
- if (rinfo->use_default_var)
- /* We will use the modified default far */
- rinfo->disp.var = radeonfb_default_var;
- else
- fb_find_mode (&rinfo->disp.var, &rinfo->info, "640x480-8@60",
- NULL, 0, NULL, 0);
- if (noaccel)
- rinfo->disp.var.accel_flags &= ~FB_ACCELF_TEXT;
- else
- rinfo->disp.var.accel_flags |= FB_ACCELF_TEXT;
-
- return 0;
- }
- static void radeon_set_dispsw (struct radeonfb_info *rinfo, struct display *disp)
- {
- int accel;
-
- accel = disp->var.accel_flags & FB_ACCELF_TEXT;
-
- disp->dispsw_data = NULL;
-
- disp->screen_base = (char*)rinfo->fb_base;
- disp->type = FB_TYPE_PACKED_PIXELS;
- disp->type_aux = 0;
- disp->ypanstep = 1;
- disp->ywrapstep = 0;
- disp->can_soft_blank = 1;
- disp->inverse = 0;
- switch (disp->var.bits_per_pixel) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- disp->dispsw = &fbcon_cfb8;
- disp->visual = FB_VISUAL_PSEUDOCOLOR;
- disp->line_length = disp->var.xres_virtual;
- break;
- #endif
- #ifdef FBCON_HAS_CFB16
- case 16:
- disp->dispsw = &fbcon_cfb16;
- disp->dispsw_data = &rinfo->con_cmap.cfb16;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- disp->line_length = disp->var.xres_virtual * 2;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 24:
- disp->dispsw = &fbcon_cfb24;
- disp->dispsw_data = &rinfo->con_cmap.cfb24;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- disp->line_length = disp->var.xres_virtual * 4;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- disp->dispsw = &fbcon_cfb32;
- disp->dispsw_data = &rinfo->con_cmap.cfb32;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- disp->line_length = disp->var.xres_virtual * 4;
- break;
- #endif
- default:
- printk ("radeonfb: setting fbcon_dummy renderern");
- disp->dispsw = &fbcon_dummy;
- }
-
- return;
- }
-
- static void do_install_cmap(int con, struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
-
- if (con != rinfo->currcon)
- return;
-
- if (fb_display[con].cmap.len)
- fb_set_cmap(&fb_display[con].cmap, 1, radeon_setcolreg, info);
- else {
- int size = radeon_get_cmap_len(&fb_display[con].var);
- fb_set_cmap(fb_default_cmap(size), 1, radeon_setcolreg, info);
- }
- }
- static int radeonfb_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 availabe virtual resolutionn");
- 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%dn",
- 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;
- }
-
- /*
- * fb ops
- */
- static int radeonfb_get_fix (struct fb_fix_screeninfo *fix, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- struct display *disp;
-
- disp = (con < 0) ? rinfo->info.disp : &fb_display[con];
- memset (fix, 0, sizeof (struct fb_fix_screeninfo));
- strcpy (fix->id, rinfo->name);
-
- fix->smem_start = rinfo->fb_base_phys;
- fix->smem_len = rinfo->video_ram;
- fix->type = disp->type;
- fix->type_aux = disp->type_aux;
- fix->visual = disp->visual;
- fix->xpanstep = 8;
- fix->ypanstep = 1;
- fix->ywrapstep = 0;
-
- fix->line_length = disp->line_length;
-
- fix->mmio_start = rinfo->mmio_base_phys;
- fix->mmio_len = RADEON_REGSIZE;
- if (noaccel)
- fix->accel = FB_ACCEL_NONE;
- else
- fix->accel = 40; /* XXX */
-
- return 0;
- }
- static int radeonfb_get_var (struct fb_var_screeninfo *var, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
-
- *var = (con < 0) ? rinfo->disp.var : fb_display[con].var;
-
- return 0;
- }
- static int radeonfb_set_var (struct fb_var_screeninfo *var, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- struct display *disp;
- struct fb_var_screeninfo v;
- int nom, den, accel;
- unsigned chgvar = 0;
- disp = (con < 0) ? rinfo->info.disp : &fb_display[con];
- accel = var->accel_flags & FB_ACCELF_TEXT;
- if (con >= 0) {
- chgvar = ((disp->var.xres != var->xres) ||
- (disp->var.yres != var->yres) ||
- (disp->var.xres_virtual != var->xres_virtual) ||
- (disp->var.yres_virtual != var->yres_virtual) ||
- (disp->var.bits_per_pixel != var->bits_per_pixel) ||
- memcmp (&disp->var.red, &var->red, sizeof (var->red)) ||
- memcmp (&disp->var.green, &var->green, sizeof (var->green)) ||
- memcmp (&disp->var.blue, &var->blue, sizeof (var->blue)));
- }
- 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:
- v.bits_per_pixel = 24;
- break;
- case 25 ... 32:
- v.bits_per_pixel = 32;
- break;
- default:
- return -EINVAL;
- }
- switch (var_to_depth(&v)) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- nom = den = 1;
- disp->line_length = v.xres_virtual;
- disp->visual = FB_VISUAL_PSEUDOCOLOR;
- 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;
- #endif
-
- #ifdef FBCON_HAS_CFB16
- case 15:
- nom = 2;
- den = 1;
- disp->line_length = v.xres_virtual * 2;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- v.red.offset = 10;
- v.green.offset = 5;
- v.red.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;
- disp->line_length = v.xres_virtual * 2;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- 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;
- #endif
-
- #ifdef FBCON_HAS_CFB24
- case 24:
- nom = 4;
- den = 1;
- disp->line_length = v.xres_virtual * 3;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- 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;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- nom = 4;
- den = 1;
- disp->line_length = v.xres_virtual * 4;
- disp->visual = FB_VISUAL_DIRECTCOLOR;
- 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;
- #endif
- default:
- printk ("radeonfb: mode %dx%dx%d rejected, color depth invalidn",
- var->xres, var->yres, var->bits_per_pixel);
- return -EINVAL;
- }
- if (radeonfb_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;
-
- switch (v.activate & FB_ACTIVATE_MASK) {
- case FB_ACTIVATE_TEST:
- return 0;
- case FB_ACTIVATE_NXTOPEN:
- case FB_ACTIVATE_NOW:
- break;
- default:
- return -EINVAL;
- }
-
- memcpy (&disp->var, &v, sizeof (v));
-
- if (chgvar) {
- radeon_set_dispsw(rinfo, disp);
- if (noaccel)
- disp->scrollmode = SCROLL_YREDRAW;
- else
- disp->scrollmode = 0;
-
- if (info && info->changevar)
- info->changevar(con);
- }
-
- radeon_load_video_mode (rinfo, &v);
-
- do_install_cmap(con, info);
-
- return 0;
- }
- static int radeonfb_get_cmap (struct fb_cmap *cmap, int kspc, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- struct display *disp;
-
- disp = (con < 0) ? rinfo->info.disp : &fb_display[con];
-
- if (con == rinfo->currcon) {
- int rc = fb_get_cmap (cmap, kspc, radeon_getcolreg, info);
- return rc;
- } else if (disp->cmap.len)
- fb_copy_cmap (&disp->cmap, cmap, kspc ? 0 : 2);
- else
- fb_copy_cmap (fb_default_cmap (radeon_get_cmap_len (&disp->var)),
- cmap, kspc ? 0 : 2);
-
- return 0;
- }
- static int radeonfb_set_cmap (struct fb_cmap *cmap, int kspc, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- struct display *disp;
- unsigned int cmap_len;
-
- disp = (con < 0) ? rinfo->info.disp : &fb_display[con];
-
- cmap_len = radeon_get_cmap_len (&disp->var);
- if (disp->cmap.len != cmap_len) {
- int err = fb_alloc_cmap (&disp->cmap, cmap_len, 0);
- if (err)
- return err;
- }
-
- if (con == rinfo->currcon) {
- int rc = fb_set_cmap (cmap, kspc, radeon_setcolreg, info);
- return rc;
- } else
- fb_copy_cmap (cmap, &disp->cmap, kspc ? 0 : 1);
-
- return 0;
- }
- static int radeonfb_pan_display (struct fb_var_screeninfo *var, int con,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- u32 offset, xoffset, yoffset;
-
- xoffset = (var->xoffset + 7) & ~7;
- yoffset = var->yoffset;
-
- if ((xoffset + var->xres > var->xres_virtual) || (yoffset+var->yres >
- var->yres_virtual))
- return -EINVAL;
-
- offset = ((yoffset * var->xres + xoffset) * var->bits_per_pixel) >> 6;
-
- OUTREG(CRTC_OFFSET, offset);
-
- return 0;
- }
- static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg, int con, struct fb_info *info)
- {
- return -EINVAL;
- }
- static int radeonfb_switch (int con, struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
- struct display *disp;
- struct fb_cmap *cmap;
- int switchmode = 0;
-
- disp = (con < 0) ? rinfo->info.disp : &fb_display[con];
-
- if (rinfo->currcon >= 0) {
- cmap = &(rinfo->currcon_display->cmap);
- if (cmap->len)
- fb_get_cmap (cmap, 1, radeon_getcolreg, info);
- }
-
- switchmode = (con != rinfo->currcon);
- rinfo->currcon = con;
- rinfo->currcon_display = disp;
- disp->var.activate = FB_ACTIVATE_NOW;
-
- if (switchmode) {
- radeonfb_set_var (&disp->var, con, info);
- radeon_set_dispsw (rinfo, disp);
- do_install_cmap(con, info);
- }
- /* XXX absurd hack for X to restore console */
- {
- OUTREGP(CRTC_EXT_CNTL, rinfo->hack_crtc_ext_cntl,
- CRTC_HSYNC_DIS | CRTC_VSYNC_DIS | CRTC_DISPLAY_DIS);
- OUTREG(CRTC_V_SYNC_STRT_WID, rinfo->hack_crtc_v_sync_strt_wid);
- }
- return 0;
- }
- static int radeonfb_updatevar (int con, struct fb_info *info)
- {
- int rc;
-
- rc = (con < 0) ? -EINVAL : radeonfb_pan_display (&fb_display[con].var,
- con, info);
-
- return rc;
- }
- static void 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);
- #ifdef CONFIG_PMAC_BACKLIGHT
- if (rinfo->dviDisp_type == MT_LCD && _machine == _MACH_Pmac) {
- set_backlight_enable(!blank);
- return;
- }
- #endif
-
- /* reset it */
- val &= ~(CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS |
- CRTC_VSYNC_DIS);
- val2 &= ~(LVDS_DISPLAY_DIS);
- switch (blank) {
- case VESA_NO_BLANKING:
- break;
- case VESA_VSYNC_SUSPEND:
- val |= (CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS);
- break;
- case VESA_HSYNC_SUSPEND:
- val |= (CRTC_DISPLAY_DIS | CRTC_HSYNC_DIS);
- break;
- case VESA_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;
- }
- }
- static int radeon_get_cmap_len (const struct fb_var_screeninfo *var)
- {
- int rc = 256; /* reasonable default */
-
- switch (var_to_depth(var)) {
- case 15:
- rc = 32;
- break;
- case 16:
- rc = 64;
- break;
- }
-
- return rc;
- }
- static int radeon_getcolreg (unsigned regno, unsigned *red, unsigned *green,
- unsigned *blue, unsigned *transp,
- struct fb_info *info)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
-
- if (regno > 255)
- return 1;
-
- *red = (rinfo->palette[regno].red<<8) | rinfo->palette[regno].red;
- *green = (rinfo->palette[regno].green<<8) | rinfo->palette[regno].green;
- *blue = (rinfo->palette[regno].blue<<8) | rinfo->palette[regno].blue;
- *transp = 0;
- return 0;
- }
- static int radeon_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;
- 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->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);
- }
- if (regno < 16) {
- switch (rinfo->depth) {
- #ifdef FBCON_HAS_CFB16
- case 15:
- rinfo->con_cmap.cfb16[regno] = (regno << 10) | (regno << 5) |
- regno;
- break;
- case 16:
- rinfo->con_cmap.cfb16[regno] = (regno << 11) | (regno << 5) |
- regno;
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- rinfo->con_cmap.cfb24[regno] = (regno << 16) | (regno << 8) | regno;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32: {
- u32 i;
-
- i = (regno << 8) | regno;
- rinfo->con_cmap.cfb32[regno] = (i << 16) | i;
- break;
- }
- #endif
- }
- }
- 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);
- }
- static void radeon_load_video_mode (struct radeonfb_info *rinfo,
- struct fb_var_screeninfo *mode)
- {
- 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);
- rinfo->xres = mode->xres;
- rinfo->yres = mode->yres;
- 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 = %dn",
- hSyncStart, hSyncEnd, hTotal);
- RTRACE("vStart = %d, vEnd = %d, vTotal = %dn",
- 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;
- 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));
- newmode.crtc_pitch = (mode->xres >> 3);
- newmode.crtc_pitch |= (newmode.crtc_pitch << 16);
- #if defined(__BIG_ENDIAN)
- newmode.surface_cntl = SURF_TRANSLATION_DIS;
- switch (mode->bits_per_pixel) {
- case 16:
- newmode.surface_cntl |= NONSURF_AP0_SWP_16BPP;
- break;
- case 24:
- case 32:
- newmode.surface_cntl |= NONSURF_AP0_SWP_32BPP;
- break;
- }
- #endif
- rinfo->pitch = ((mode->xres * ((mode->bits_per_pixel + 1) / 8) + 0x3f)
- & ~(0x3f)) / 64;
- RTRACE("h_total_disp = 0x%xt hsync_strt_wid = 0x%xn",
- newmode.crtc_h_total_disp, newmode.crtc_h_sync_strt_wid);
- RTRACE("v_total_disp = 0x%xt vsync_strt_wid = 0x%xn",
- 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;
- rinfo->hack_crtc_ext_cntl = newmode.crtc_ext_cntl;
- rinfo->hack_crtc_v_sync_strt_wid = newmode.crtc_v_sync_strt_wid;
- 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);
- }
- RTRACE("post div = 0x%xn", rinfo->post_div);
- RTRACE("fb_div = 0x%xn", rinfo->fb_div);
- RTRACE("ppll_div_3 = 0x%xn", 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 = %dn", ron, roff);
- RTRACE("vclk_freq = %d, per = %dn", vclk_freq, xclk_per_trans_precise);
- if ((ron + rinfo->ram.rloop) >= roff) {
- printk("radeonfb: error ron out of rangen");
- return;
- }
- 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;
- 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 |
- ICHCSEL) & ~(TMDS_PLLRST);
- newmode.crtc_ext_cntl &= ~CRTC_CRT_ON;
- }
- newmode.fp_crtc_h_total_disp = newmode.crtc_h_total_disp;
- newmode.fp_crtc_v_total_disp = newmode.crtc_v_total_disp;
- newmode.fp_h_sync_strt_wid = newmode.crtc_h_sync_strt_wid;
- newmode.fp_v_sync_strt_wid = newmode.crtc_v_sync_strt_wid;
- }
- /* do it! */
- radeon_write_mode (rinfo, &newmode);
- #if defined(CONFIG_BOOTX_TEXT)
- btext_update_display(rinfo->fb_base_phys, mode->xres, mode->yres,
- rinfo->depth, rinfo->pitch*64);
- #endif
- return;
- }
- static void radeon_write_mode (struct radeonfb_info *rinfo,
- struct radeon_regs *mode)
- {
- int i;
- int primary_mon = PRIMARY_MONITOR(rinfo);
- /* blank screen */
- OUTREGP(CRTC_EXT_CNTL, CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS | CRTC_HSYNC_DIS,
- ~(CRTC_DISPLAY_DIS | CRTC_VSYNC_DIS | CRTC_HSYNC_DIS));
- 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);
- }
- }
- }
- }
- /* unblank screen */
- OUTREG8(CRTC_EXT_CNTL + 1, 0);
- return;
- }
- #ifdef CONFIG_PMAC_BACKLIGHT
- static int backlight_conv[] = {
- 0xff, 0xc0, 0xb5, 0xaa, 0x9f, 0x94, 0x89, 0x7e,
- 0x73, 0x68, 0x5d, 0x52, 0x47, 0x3c, 0x31, 0x24
- };
- #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);
- 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 |= (backlight_conv[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 |= (backlight_conv[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 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) {
- /* Make sure CRTC2 is reset. Remove that the day
- * we decide to actually use CRTC2 and replace it with
- * real code for disabling the CRTC2 output during sleep.
- */
- pci_read_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
- &pwr_cmd);
- /* Switch PCI power managment to D2 */
- pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
- (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK)
- | 2);
- pci_read_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
- &pwr_cmd);
- } else {
- /* Switch back PCI powermanagment to D0 */
- mdelay(100);
- pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0);
- mdelay(100);
- pci_read_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
- &pwr_cmd);
- mdelay(100);
- }
- }
- /*
- * 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;
- switch (rinfo->chipset) {
- case PCI_DEVICE_ID_RADEON_LW:
- case PCI_DEVICE_ID_RADEON_LY:
- case PCI_DEVICE_ID_RADEON_LZ:
- 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_REQUEST:
- #if 0
- rinfo->save_framebuffer = vmalloc(nb);
- if (rinfo->save_framebuffer == NULL)
- return PBOOK_SLEEP_REFUSE;
- #endif
- break;
- case PBOOK_SLEEP_REJECT:
- #if 0
- if (rinfo->save_framebuffer) {
- vfree(rinfo->save_framebuffer);
- rinfo->save_framebuffer = 0;
- }
- #endif
- break;
- case PBOOK_SLEEP_NOW:
- radeon_engine_idle();
- radeon_engine_reset();
- radeon_engine_idle();
- #if 0
- /* Backup framebuffer content */
- if (rinfo->save_framebuffer)
- memcpy_fromio(rinfo->save_framebuffer,
- (void *)rinfo->fb_base,
- nb);
- #endif
- /* Blank display and LCD */
- radeonfb_blank(VESA_POWERDOWN+1,
- (struct fb_info *)rinfo);
- /* Sleep */
- radeon_set_suspend(rinfo, 1);
- break;
- case PBOOK_WAKE:
- /* Wakeup */
- radeon_set_suspend(rinfo, 0);
- radeon_engine_reset();
- if (!noaccel) {
- radeon_engine_init(rinfo);
- radeon_engine_reset();
- }
- #if 0
- /* Restore framebuffer content */
- if (rinfo->save_framebuffer) {
- memcpy_toio((void *)rinfo->fb_base,
- rinfo->save_framebuffer,
- nb);
- vfree(rinfo->save_framebuffer);
- rinfo->save_framebuffer = 0;
- }
- #endif
- if (rinfo->currcon_display) {
- radeonfb_set_var(&rinfo->currcon_display->var, rinfo->currcon,
- (struct fb_info *) rinfo);
- radeon_set_dispsw(rinfo, rinfo->currcon_display);
- do_install_cmap(rinfo->currcon,
- (struct fb_info *)rinfo);
- }
- radeonfb_blank(0, (struct fb_info *)rinfo);
- break;
- }
- }
- return PBOOK_SLEEP_OK;
- }
- #endif /* CONFIG_PMAC_PBOOK */
- /*
- * text console acceleration
- */
- static void fbcon_radeon_bmove(struct display *p, int srcy, int srcx,
- int dsty, int dstx, int height, int width)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *)(p->fb_info);
- u32 dp_cntl = DST_LAST_PEL;
- srcx *= fontwidth(p);
- srcy *= fontheight(p);
- dstx *= fontwidth(p);
- dsty *= fontheight(p);
- width *= fontwidth(p);
- height *= fontheight(p);
- if (srcy < dsty) {
- srcy += height - 1;
- dsty += height - 1;
- } else
- dp_cntl |= DST_Y_TOP_TO_BOTTOM;
- if (srcx < dstx) {
- srcx += width - 1;
- dstx += width - 1;
- } else
- dp_cntl |= DST_X_LEFT_TO_RIGHT;
- radeon_fifo_wait(6);
- OUTREG(DP_GUI_MASTER_CNTL, (rinfo->dp_gui_master_cntl |
- GMC_BRUSH_NONE |
- GMC_SRC_DATATYPE_COLOR |
- ROP3_S |
- DP_SRC_SOURCE_MEMORY));
- OUTREG(DP_WRITE_MSK, 0xffffffff);
- OUTREG(DP_CNTL, dp_cntl);
- OUTREG(SRC_Y_X, (srcy << 16) | srcx);
- OUTREG(DST_Y_X, (dsty << 16) | dstx);
- OUTREG(DST_HEIGHT_WIDTH, (height << 16) | width);
- }
- static void fbcon_radeon_clear(struct vc_data *conp, struct display *p,
- int srcy, int srcx, int height, int width)
- {
- struct radeonfb_info *rinfo = (struct radeonfb_info *)(p->fb_info);
- u32 clr;
- clr = attr_bgcol_ec(p, conp);
- clr |= (clr << 8);
- clr |= (clr << 16);
- srcx *= fontwidth(p);
- srcy *= fontheight(p);
- width *= fontwidth(p);
- height *= fontheight(p);
- radeon_fifo_wait(6);
- OUTREG(DP_GUI_MASTER_CNTL, (rinfo->dp_gui_master_cntl |
- GMC_BRUSH_SOLID_COLOR |
- GMC_SRC_DATATYPE_COLOR |
- ROP3_P));
- OUTREG(DP_BRUSH_FRGD_CLR, clr);
- OUTREG(DP_WRITE_MSK, 0xffffffff);
- OUTREG(DP_CNTL, (DST_X_LEFT_TO_RIGHT | DST_Y_TOP_TO_BOTTOM));
- OUTREG(DST_Y_X, (srcy << 16) | srcx);
- OUTREG(DST_WIDTH_HEIGHT, (width << 16) | height);
- }
- #ifdef FBCON_HAS_CFB8
- static struct display_switch fbcon_radeon8 = {
- setup: fbcon_cfb8_setup,
- bmove: fbcon_radeon_bmove,
- clear: fbcon_radeon_clear,
- putc: fbcon_cfb8_putc,
- putcs: fbcon_cfb8_putcs,
- revc: fbcon_cfb8_revc,
- clear_margins: fbcon_cfb8_clear_margins,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif