1 /* $NetBSD: tgavar.h,v 1.4 1998/08/18 08:23:46 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 5 * All rights reserved. 6 * 7 * Author: Chris G. Demetriou 8 * 9 * Permission to use, copy, modify and distribute this software and 10 * its documentation is hereby granted, provided that both the copyright 11 * notice and this permission notice appear in all copies of the 12 * software, derivative works or modified versions, and any portions 13 * thereof, and that both notices appear in supporting documentation. 14 * 15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 16 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 18 * 19 * Carnegie Mellon requests users of this software to return to 20 * 21 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 22 * School of Computer Science 23 * Carnegie Mellon University 24 * Pittsburgh PA 15213-3890 25 * 26 * any improvements or extensions that they make and grant Carnegie the 27 * rights to redistribute these changes. 28 */ 29 30 #include <dev/pci/tgareg.h> 31 #include <dev/rcons/raster.h> 32 #include <dev/wscons/wsconsio.h> 33 #include <dev/wscons/wscons_raster.h> 34 35 struct tga_devconfig; 36 struct fbcmap; 37 struct fbcursor; 38 struct fbcurpos; 39 40 struct tga_ramdac_conf { 41 char *tgar_name; 42 void (*tgar_init) __P((struct tga_devconfig *, int)); 43 int (*tgar_intr) __P((void *)); 44 int (*tgar_set_cmap) __P((struct tga_devconfig *, 45 struct wsdisplay_cmap *)); 46 int (*tgar_get_cmap) __P((struct tga_devconfig *, 47 struct wsdisplay_cmap *)); 48 int (*tgar_set_cursor) __P((struct tga_devconfig *, 49 struct wsdisplay_cursor *)); 50 int (*tgar_get_cursor) __P((struct tga_devconfig *, 51 struct wsdisplay_cursor *)); 52 int (*tgar_set_curpos) __P((struct tga_devconfig *, 53 struct wsdisplay_curpos *)); 54 int (*tgar_get_curpos) __P((struct tga_devconfig *, 55 struct wsdisplay_curpos *)); 56 int (*tgar_get_curmax) __P((struct tga_devconfig *, 57 struct wsdisplay_curpos *)); 58 59 /* Only called from the TGA built-in cursor handling code. */ 60 int (*tgar_check_curcmap) __P((struct tga_devconfig *, 61 struct wsdisplay_cursor *)); 62 void (*tgar_set_curcmap) __P((struct tga_devconfig *, 63 struct wsdisplay_cursor *)); 64 int (*tgar_get_curcmap) __P((struct tga_devconfig *, 65 struct wsdisplay_cursor *)); 66 }; 67 68 struct tga_conf { 69 char *tgac_name; /* name for this board type */ 70 71 const struct tga_ramdac_conf 72 *tgac_ramdac; /* the RAMDAC type; see above */ 73 int tgac_phys_depth; /* physical frame buffer depth */ 74 vsize_t tgac_cspace_size; /* core space size */ 75 vsize_t tgac_vvbr_units; /* what '1' in the VVBR means */ 76 77 int tgac_ndbuf; /* number of display buffers */ 78 vaddr_t tgac_dbuf[2]; /* display buffer offsets/addresses */ 79 vsize_t tgac_dbufsz[2]; /* display buffer sizes */ 80 81 int tgac_nbbuf; /* number of display buffers */ 82 vaddr_t tgac_bbuf[2]; /* back buffer offsets/addresses */ 83 vsize_t tgac_bbufsz[2]; /* back buffer sizes */ 84 }; 85 86 struct tga_devconfig { 87 bus_space_tag_t dc_memt; 88 pci_chipset_tag_t dc_pc; 89 90 pcitag_t dc_pcitag; /* PCI tag */ 91 bus_addr_t dc_pcipaddr; /* PCI phys addr. */ 92 93 tga_reg_t *dc_regs; /* registers; XXX: need aliases */ 94 95 int dc_tga_type; /* the device type; see below */ 96 const struct tga_conf *dc_tgaconf; /* device buffer configuration */ 97 98 vaddr_t dc_vaddr; /* memory space virtual base address */ 99 paddr_t dc_paddr; /* memory space physical base address */ 100 101 int dc_wid; /* width of frame buffer */ 102 int dc_ht; /* height of frame buffer */ 103 int dc_rowbytes; /* bytes in a FB scan line */ 104 105 vaddr_t dc_videobase; /* base of flat frame buffer */ 106 107 struct raster dc_raster; /* raster description */ 108 struct rcons dc_rcons; /* raster blitter control info */ 109 110 int dc_blanked; /* currently had video disabled */ 111 void *dc_ramdac_private; /* RAMDAC private storage */ 112 }; 113 114 struct tga_softc { 115 struct device sc_dev; 116 117 struct tga_devconfig *sc_dc; /* device configuration */ 118 void *sc_intr; /* interrupt handler info */ 119 /* XXX should record intr fns/arg */ 120 121 int nscreens; 122 }; 123 124 #define TGA_TYPE_T8_01 0 /* 8bpp, 1MB */ 125 #define TGA_TYPE_T8_02 1 /* 8bpp, 2MB */ 126 #define TGA_TYPE_T8_22 2 /* 8bpp, 4MB */ 127 #define TGA_TYPE_T8_44 3 /* 8bpp, 8MB */ 128 #define TGA_TYPE_T32_04 4 /* 32bpp, 4MB */ 129 #define TGA_TYPE_T32_08 5 /* 32bpp, 8MB */ 130 #define TGA_TYPE_T32_88 6 /* 32bpp, 16MB */ 131 #define TGA_TYPE_UNKNOWN 7 /* unknown */ 132 133 #define DEVICE_IS_TGA(class, id) \ 134 ((PCI_VENDOR(id) == PCI_VENDOR_DEC && \ 135 PCI_PRODUCT(id) == PCI_PRODUCT_DEC_21030) ? 10 : 0) 136 137 int tga_cnattach __P((bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t, 138 int, int, int)); 139 140 int tga_identify __P((tga_reg_t *)); 141 const struct tga_conf *tga_getconf __P((int)); 142 143 extern const struct tga_ramdac_conf tga_ramdac_bt463; 144 extern const struct tga_ramdac_conf tga_ramdac_bt485; 145 146 int tga_builtin_set_cursor __P((struct tga_devconfig *, 147 struct wsdisplay_cursor *)); 148 int tga_builtin_get_cursor __P((struct tga_devconfig *, 149 struct wsdisplay_cursor *)); 150 int tga_builtin_set_curpos __P((struct tga_devconfig *, 151 struct wsdisplay_curpos *)); 152 int tga_builtin_get_curpos __P((struct tga_devconfig *, 153 struct wsdisplay_curpos *)); 154 int tga_builtin_get_curmax __P((struct tga_devconfig *, 155 struct wsdisplay_curpos *)); 156