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5 values
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9
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defines
#define PCI_DEVICE_ID_IBM_GXT4500P 0x21c
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#define PCI_DEVICE_ID_IBM_GXT6000P 0x170
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#define CFG_ENDIAN0 0x40
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#define STATUS 0x1000
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#define CTRL_REG0 0x1004
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#define CR0_HALT_DMA 0x4
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#define CR0_RASTER_RESET 0x8
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#define CR0_GEOM_RESET 0x10
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#define CR0_MEM_CTRLER_RESET 0x20
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#define FB_AB_CTRL 0x1100
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#define FB_CD_CTRL 0x1104
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#define FB_WID_CTRL 0x1108
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#define FB_Z_CTRL 0x110c
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#define FB_VGA_CTRL 0x1110
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#define REFRESH_AB_CTRL 0x1114
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#define REFRESH_CD_CTRL 0x1118
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#define FB_OVL_CTRL 0x111c
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#define FB_CTRL_TYPE 0x80000000
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#define FB_CTRL_WIDTH_MASK 0x007f0000
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#define FB_CTRL_WIDTH_SHIFT 16
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#define FB_CTRL_START_SEG_MASK 0x00003fff
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#define REFRESH_START 0x1098
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#define REFRESH_SIZE 0x109c
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#define DFA_FB_A 0x11e0
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#define DFA_FB_B 0x11e4
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#define DFA_FB_C 0x11e8
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#define DFA_FB_D 0x11ec
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#define DFA_FB_ENABLE 0x80000000
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#define DFA_FB_BASE_MASK 0x03f00000
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#define DFA_FB_STRIDE_1k 0x00000000
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#define DFA_FB_STRIDE_2k 0x00000010
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#define DFA_FB_STRIDE_4k 0x00000020
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#define DFA_PIX_8BIT 0x00000000
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#define DFA_PIX_16BIT_565 0x00000001
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#define DFA_PIX_16BIT_1555 0x00000002
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#define DFA_PIX_24BIT 0x00000004
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#define DFA_PIX_32BIT 0x00000005
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#define DTG_CONTROL 0x1900
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#define DTG_CTL_SCREEN_REFRESH 2
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#define DTG_CTL_ENABLE 1
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#define DTG_HORIZ_EXTENT 0x1904
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#define DTG_HORIZ_DISPLAY 0x1908
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#define DTG_HSYNC_START 0x190c
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#define DTG_HSYNC_END 0x1910
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#define DTG_HSYNC_END_COMP 0x1914
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#define DTG_VERT_EXTENT 0x1918
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#define DTG_VERT_DISPLAY 0x191c
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#define DTG_VSYNC_START 0x1920
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#define DTG_VSYNC_END 0x1924
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#define DTG_VERT_SHORT 0x1928
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#define DISP_CTL 0x402c
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#define DISP_CTL_OFF 2
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#define SYNC_CTL 0x4034
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#define SYNC_CTL_SYNC_ON_RGB 1
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#define SYNC_CTL_SYNC_OFF 2
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#define SYNC_CTL_HSYNC_INV 8
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#define SYNC_CTL_VSYNC_INV 0x10
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#define SYNC_CTL_HSYNC_OFF 0x20
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#define SYNC_CTL_VSYNC_OFF 0x40
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#define PLL_M 0x4040
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#define PLL_N 0x4044
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#define PLL_POSTDIV 0x4048
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#define PLL_C 0x404c
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#define CURSOR_X 0x4078
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#define CURSOR_Y 0x407c
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#define CURSOR_HOTSPOT 0x4080
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#define CURSOR_MODE 0x4084
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#define CURSOR_MODE_OFF 0
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#define CURSOR_MODE_4BPP 1
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#define CURSOR_PIXMAP 0x5000
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#define CURSOR_CMAP 0x7400
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#define WAT_FMT 0x4100
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#define WAT_FMT_24BIT 0
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#define WAT_FMT_16BIT_565 1
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#define WAT_FMT_16BIT_1555 2
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#define WAT_FMT_32BIT 3 /* */
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#define WAT_FMT_8BIT_332 9
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#define WAT_FMT_8BIT 0xa
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#define WAT_FMT_NO_CMAP 4 /* */
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#define WAT_CMAP_OFFSET 0x4104 /* */
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#define WAT_CTRL 0x4108
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#define WAT_CTRL_SEL_B 1 /* */
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#define WAT_CTRL_NO_INC 2
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#define WAT_GAMMA_CTRL 0x410c
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#define WAT_GAMMA_DISABLE 1 /* */
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#define WAT_OVL_CTRL 0x430c /* */
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#define CMAP 0x6000
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#define readreg(par, reg) readl((par)->regs + (reg))
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#define writereg(par, reg, val) writel((val), (par)->regs + (reg))
structs
struct gxt4500_par { void __iomem *regs; int pixfmt; /* */ /* */ int refclk_ps; /* */ int pll_m; /* */ int pll_n; /* */ int pll_pd1; /* */ int pll_pd2; /* ...
functions
int calc_pll(int period_ps, struct gxt4500_par *par) { int m, n, pdiv1, pdiv2, postdiv; int pll_period, best_error, t, intf; /* */ if (period_ps < 3333 || period_ps > 200000) return -1; best_error = 1000000; for (pdiv1 = 1; pdiv1 <= 8; ++pdiv1) { for (pdiv2 = 1; pdiv2 <= p...
functions
int calc_pixclock(struct gxt4500_par *par) { return par->refclk_ps * par->pll_m * par->pll_pd1 * par->pll_pd2 / par->pll_n; }
functions
int gxt4500_var_to_par(struct fb_var_screeninfo *var, struct gxt4500_par *par) { if (var->xres + var->xoffset > var->xres_virtual || var->yres + var->yoffset > var->yres_virtual || var->xres_virtual > 4096) return -EINVAL; if ((var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED) return -EINV...
functions
void gxt4500_unpack_pixfmt(struct fb_var_screeninfo *var, int pixfmt) { var->bits_per_pixel = pixsize[pixfmt] * 8; var->red = eightbits; var->green = eightbits; var->blue = eightbits; var->transp = nobits; switch (pixfmt) { case DFA_PIX_16BIT_565: var->red.length = 5; var->green.length = 6; var->blu...
functions
int gxt4500_check_var(struct fb_var_screeninfo *var, struct fb_info *info) { struct gxt4500_par par; int err; par = *(struct gxt4500_par *)info->par; err = gxt4500_var_to_par(var, &par); if (!err) { var->pixclock = calc_pixclock(&par); gxt4500_unpack_pixfmt(var, par.pixfmt); }
functions
int gxt4500_set_par(struct fb_info *info) { struct gxt4500_par *par = info->par; struct fb_var_screeninfo *var = &info->var; int err; u32 ctrlreg, tmp; unsigned int dfa_ctl, pixfmt, stride; unsigned int wid_tiles, i; unsigned int prefetch_pix, htot; struct gxt4500_par save_par; save_par = *par; err = gxt4500...
functions
else if (var->xres_virtual > 1024) { stride = 2048; dfa_ctl = DFA_FB_STRIDE_2k; }
functions
int gxt4500_setcolreg(unsigned int reg, unsigned int red, unsigned int green, unsigned int blue, unsigned int transp, struct fb_info *info) { u32 cmap_entry; struct gxt4500_par *par = info->par; if (reg > 1023) return 1; cmap_entry = ((transp & 0xff00) << 16) | ((red & 0xff00) << 8) | (green & ...
functions
int gxt4500_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) { struct gxt4500_par *par = info->par; if (var->xoffset & 7) return -EINVAL; if (var->xoffset + info->var.xres > info->var.xres_virtual || var->yoffset + info->var.yres > info->var.yres_virtual) return -EINVAL; writere...
functions
int gxt4500_blank(int blank, struct fb_info *info) { struct gxt4500_par *par = info->par; int ctrl, dctl; ctrl = readreg(par, SYNC_CTL); ctrl &= ~(SYNC_CTL_SYNC_OFF | SYNC_CTL_HSYNC_OFF | SYNC_CTL_VSYNC_OFF); dctl = readreg(par, DISP_CTL); dctl |= DISP_CTL_OFF; switch (blank) { case FB_BLANK_UNBLANK: dctl &=...