tgavar.h revision 1.7
1 /* $NetBSD: tgavar.h,v 1.7 2000/03/12 05:32:30 nathanw 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 (at) 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/ic/ramdac.h> 31 #include <dev/pci/tgareg.h> 32 #include <dev/rcons/raster.h> 33 #include <dev/wscons/wsconsio.h> 34 #include <dev/wscons/wscons_raster.h> 35 36 struct tga_devconfig; 37 struct fbcmap; 38 struct fbcursor; 39 struct fbcurpos; 40 41 struct tga_conf { 42 char *tgac_name; /* name for this board type */ 43 44 int tgac_phys_depth; /* physical frame buffer depth */ 45 vsize_t tgac_cspace_size; /* core space size */ 46 vsize_t tgac_vvbr_units; /* what '1' in the VVBR means */ 47 48 int tgac_ndbuf; /* number of display buffers */ 49 vaddr_t tgac_dbuf[2]; /* display buffer offsets/addresses */ 50 vsize_t tgac_dbufsz[2]; /* display buffer sizes */ 51 52 int tgac_nbbuf; /* number of display buffers */ 53 vaddr_t tgac_bbuf[2]; /* back buffer offsets/addresses */ 54 vsize_t tgac_bbufsz[2]; /* back buffer sizes */ 55 }; 56 57 struct tga_devconfig { 58 bus_space_tag_t dc_memt; 59 bus_space_handle_t dc_memh; 60 61 pcitag_t dc_pcitag; /* PCI tag */ 62 bus_addr_t dc_pcipaddr; /* PCI phys addr. */ 63 64 bus_space_handle_t dc_regs; /* registers; XXX: need aliases */ 65 66 int dc_tga_type; /* the device type; see below */ 67 int dc_tga2; /* True if it is a TGA2 */ 68 const struct tga_conf *dc_tgaconf; /* device buffer configuration */ 69 70 struct ramdac_funcs 71 *dc_ramdac_funcs; /* The RAMDAC functions */ 72 struct ramdac_cookie 73 *dc_ramdac_cookie; /* the RAMDAC type; see above */ 74 75 vaddr_t dc_vaddr; /* memory space virtual base address */ 76 paddr_t dc_paddr; /* memory space physical base address */ 77 78 int dc_wid; /* width of frame buffer */ 79 int dc_ht; /* height of frame buffer */ 80 int dc_rowbytes; /* bytes in a FB scan line */ 81 82 vaddr_t dc_videobase; /* base of flat frame buffer */ 83 84 struct raster dc_raster; /* raster description */ 85 struct rcons dc_rcons; /* raster blitter control info */ 86 87 int dc_blanked; /* currently had video disabled */ 88 void *dc_ramdac_private; /* RAMDAC private storage */ 89 90 void (*dc_ramdac_intr) __P((void *)); 91 }; 92 93 struct tga_softc { 94 struct device sc_dev; 95 96 struct tga_devconfig *sc_dc; /* device configuration */ 97 void *sc_intr; /* interrupt handler info */ 98 /* XXX should record intr fns/arg */ 99 100 int nscreens; 101 }; 102 103 #define TGA_TYPE_T8_01 0 /* 8bpp, 1MB */ 104 #define TGA_TYPE_T8_02 1 /* 8bpp, 2MB */ 105 #define TGA_TYPE_T8_22 2 /* 8bpp, 4MB */ 106 #define TGA_TYPE_T8_44 3 /* 8bpp, 8MB */ 107 #define TGA_TYPE_T32_04 4 /* 32bpp, 4MB */ 108 #define TGA_TYPE_T32_08 5 /* 32bpp, 8MB */ 109 #define TGA_TYPE_T32_88 6 /* 32bpp, 16MB */ 110 #define TGA_TYPE_UNKNOWN 7 /* unknown */ 111 112 #define DEVICE_IS_TGA(class, id) \ 113 (((PCI_VENDOR(id) == PCI_VENDOR_DEC && \ 114 PCI_PRODUCT(id) == PCI_PRODUCT_DEC_21030) || \ 115 PCI_PRODUCT(id) == PCI_PRODUCT_DEC_PBXGB) ? 10 : 0) 116 117 int tga_cnattach __P((bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t, 118 int, int, int)); 119 120 int tga_identify __P((struct tga_devconfig *)); 121 const struct tga_conf *tga_getconf __P((int)); 122 123 int tga_builtin_set_cursor __P((struct tga_devconfig *, 124 struct wsdisplay_cursor *)); 125 int tga_builtin_get_cursor __P((struct tga_devconfig *, 126 struct wsdisplay_cursor *)); 127 int tga_builtin_set_curpos __P((struct tga_devconfig *, 128 struct wsdisplay_curpos *)); 129 int tga_builtin_get_curpos __P((struct tga_devconfig *, 130 struct wsdisplay_curpos *)); 131 int tga_builtin_get_curmax __P((struct tga_devconfig *, 132 struct wsdisplay_curpos *)); 133 134 /* Read a TGA register */ 135 #define TGARREG(dc,reg) (bus_space_read_4((dc)->dc_memt, (dc)->dc_regs, \ 136 (reg) << 2)) 137 138 /* Write a TGA register */ 139 #define TGAWREG(dc,reg,val) bus_space_write_4((dc)->dc_memt, (dc)->dc_regs, \ 140 (reg) << 2, (val)) 141 142 /* Write a TGA register at an alternate aliased location */ 143 #define TGAWALREG(dc,reg,alias,val) bus_space_write_4( \ 144 (dc)->dc_memt, (dc)->dc_regs, \ 145 ((alias) * TGA_CREGS_ALIAS) + ((reg) << 2), \ 146 (val)) 147 148 /* Insert a write barrier */ 149 #define TGAREGWB(dc,reg, nregs) bus_space_barrier( \ 150 (dc)->dc_memt, (dc)->dc_regs, \ 151 ((reg) << 2), 4 * (nregs), BUS_SPACE_BARRIER_WRITE) 152 153 /* Insert a read barrier */ 154 #define TGAREGRB(dc,reg, nregs) bus_space_barrier( \ 155 (dc)->dc_memt, (dc)->dc_regs, \ 156 ((reg) << 2), 4 * (nregs), BUS_SPACE_BARRIER_READ) 157 158 /* Insert a read/write barrier */ 159 #define TGAREGRWB(dc,reg, nregs) bus_space_barrier( \ 160 (dc)->dc_memt, (dc)->dc_regs, \ 161 ((reg) << 2), 4 * (nregs), \ 162 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) 163
Indexes created Thu Sep 25 16:09:42 GMT 2025