1 /* $OpenBSD: tgavar.h,v 1.9 2006/12/17 22:18:16 miod Exp $ */ 2 /* $NetBSD: tgavar.h,v 1.8 2000/04/02 19:01:11 nathanw Exp $ */ 3 4 /* 5 * Copyright (c) 1995, 1996 Carnegie-Mellon University. 6 * All rights reserved. 7 * 8 * Author: Chris G. Demetriou 9 * 10 * Permission to use, copy, modify and distribute this software and 11 * its documentation is hereby granted, provided that both the copyright 12 * notice and this permission notice appear in all copies of the 13 * software, derivative works or modified versions, and any portions 14 * thereof, and that both notices appear in supporting documentation. 15 * 16 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 17 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND 18 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 19 * 20 * Carnegie Mellon requests users of this software to return to 21 * 22 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 23 * School of Computer Science 24 * Carnegie Mellon University 25 * Pittsburgh PA 15213-3890 26 * 27 * any improvements or extensions that they make and grant Carnegie the 28 * rights to redistribute these changes. 29 */ 30 31 #include <dev/ic/ramdac.h> 32 #include <dev/pci/tgareg.h> 33 #include <dev/wscons/wsconsio.h> 34 #include <dev/wscons/wsdisplayvar.h> 35 #include <dev/rasops/rasops.h> 36 37 struct tga_devconfig; 38 struct fbcmap; 39 struct fbcursor; 40 struct fbcurpos; 41 42 struct tga_conf { 43 char *tgac_name; /* name for this board type */ 44 45 struct ramdac_funcs *(*ramdac_funcs)(void); 46 47 int tgac_phys_depth; /* physical frame buffer depth */ 48 vsize_t tgac_cspace_size; /* core space size */ 49 vsize_t tgac_vvbr_units; /* what '1' in the VVBR means */ 50 51 int tgac_ndbuf; /* number of display buffers */ 52 vaddr_t tgac_dbuf[2]; /* display buffer offsets/addresses */ 53 vsize_t tgac_dbufsz[2]; /* display buffer sizes */ 54 55 int tgac_nbbuf; /* number of display buffers */ 56 vaddr_t tgac_bbuf[2]; /* back buffer offsets/addresses */ 57 vsize_t tgac_bbufsz[2]; /* back buffer sizes */ 58 }; 59 60 struct tga_devconfig { 61 bus_space_tag_t dc_memt; 62 bus_space_handle_t dc_memh; 63 64 pcitag_t dc_pcitag; /* PCI tag */ 65 bus_addr_t dc_pcipaddr; /* PCI phys addr. */ 66 67 bus_space_handle_t dc_regs; /* registers; XXX: need aliases */ 68 69 int dc_tga_type; /* the device type; see below */ 70 int dc_tga2; /* True if it is a TGA2 */ 71 const struct tga_conf *dc_tgaconf; /* device buffer configuration */ 72 73 struct ramdac_funcs 74 *dc_ramdac_funcs; /* The RAMDAC functions */ 75 struct ramdac_cookie 76 *dc_ramdac_cookie; /* the RAMDAC type; see above */ 77 78 vaddr_t dc_vaddr; /* memory space virtual base address */ 79 paddr_t dc_paddr; /* memory space physical base address */ 80 81 int dc_wid; /* width of frame buffer */ 82 int dc_ht; /* height of frame buffer */ 83 int dc_rowbytes; /* bytes in a FB scan line */ 84 85 vaddr_t dc_videobase; /* base of flat frame buffer */ 86 87 struct rasops_info dc_rinfo; /* raster display data */ 88 89 int dc_blanked; /* currently had video disabled */ 90 void *dc_ramdac_private; /* RAMDAC private storage */ 91 92 void (*dc_ramdac_intr)(void *); 93 int dc_intrenabled; /* can we depend on interrupts yet? */ 94 }; 95 96 struct tga_softc { 97 struct device sc_dev; 98 99 struct tga_devconfig *sc_dc; /* device configuration */ 100 void *sc_intr; /* interrupt handler info */ 101 u_int sc_mode; /* wscons mode used */ 102 /* XXX should record intr fns/arg */ 103 104 int nscreens; 105 }; 106 107 #define TGA_TYPE_T8_01 0 /* 8bpp, 1MB */ 108 #define TGA_TYPE_T8_02 1 /* 8bpp, 2MB */ 109 #define TGA_TYPE_T8_22 2 /* 8bpp, 4MB */ 110 #define TGA_TYPE_T8_44 3 /* 8bpp, 8MB */ 111 #define TGA_TYPE_T32_04 4 /* 32bpp, 4MB */ 112 #define TGA_TYPE_T32_08 5 /* 32bpp, 8MB */ 113 #define TGA_TYPE_T32_88 6 /* 32bpp, 16MB */ 114 #define TGA_TYPE_POWERSTORM_4D20 7 /* unknown */ 115 #define TGA_TYPE_UNKNOWN 8 /* unknown */ 116 117 #define DEVICE_IS_TGA(class, id) \ 118 (((PCI_VENDOR(id) == PCI_VENDOR_DEC && \ 119 PCI_PRODUCT(id) == PCI_PRODUCT_DEC_21030) || \ 120 PCI_PRODUCT(id) == PCI_PRODUCT_DEC_PBXGB) ? 10 : 0) 121 122 int tga_cnattach(bus_space_tag_t, bus_space_tag_t, pci_chipset_tag_t, 123 int, int, int); 124 125 int tga_identify(struct tga_devconfig *); 126 const struct tga_conf *tga_getconf(int); 127 128 int tga_builtin_set_cursor(struct tga_devconfig *, 129 struct wsdisplay_cursor *); 130 int tga_builtin_get_cursor(struct tga_devconfig *, 131 struct wsdisplay_cursor *); 132 int tga_builtin_set_curpos(struct tga_devconfig *, 133 struct wsdisplay_curpos *); 134 int tga_builtin_get_curpos(struct tga_devconfig *, 135 struct wsdisplay_curpos *); 136 int tga_builtin_get_curmax(struct tga_devconfig *, 137 struct wsdisplay_curpos *); 138 139 /* Read a TGA register */ 140 #define TGARREG(dc,reg) (bus_space_read_4((dc)->dc_memt, (dc)->dc_regs, \ 141 (reg) << 2)) 142 143 /* Write a TGA register */ 144 #define TGAWREG(dc,reg,val) bus_space_write_4((dc)->dc_memt, (dc)->dc_regs, \ 145 (reg) << 2, (val)) 146 147 /* Write a TGA register at an alternate aliased location */ 148 #define TGAWALREG(dc,reg,alias,val) bus_space_write_4( \ 149 (dc)->dc_memt, (dc)->dc_regs, \ 150 ((alias) * TGA_CREGS_ALIAS) + ((reg) << 2), \ 151 (val)) 152 153 /* Insert a write barrier */ 154 #define TGAREGWB(dc,reg, nregs) bus_space_barrier( \ 155 (dc)->dc_memt, (dc)->dc_regs, \ 156 ((reg) << 2), 4 * (nregs), BUS_SPACE_BARRIER_WRITE) 157 158 /* Insert a read barrier */ 159 #define TGAREGRB(dc,reg, nregs) bus_space_barrier( \ 160 (dc)->dc_memt, (dc)->dc_regs, \ 161 ((reg) << 2), 4 * (nregs), BUS_SPACE_BARRIER_READ) 162 163 /* Insert a read/write barrier */ 164 #define TGAREGRWB(dc,reg, nregs) bus_space_barrier( \ 165 (dc)->dc_memt, (dc)->dc_regs, \ 166 ((reg) << 2), 4 * (nregs), \ 167 BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE) 168