Module Name: src Committed By: macallan Date: Wed Dec 17 16:50:08 UTC 2014
Modified Files: src/sys/dev/pci: pm2fb.c pm2reg.h Log Message: - add support for Permedia 2 - make this work on alpha from Naruaki Etomi To generate a diff of this commit: cvs rdiff -u -r1.26 -r1.27 src/sys/dev/pci/pm2fb.c cvs rdiff -u -r1.9 -r1.10 src/sys/dev/pci/pm2reg.h Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/pci/pm2fb.c diff -u src/sys/dev/pci/pm2fb.c:1.26 src/sys/dev/pci/pm2fb.c:1.27 --- src/sys/dev/pci/pm2fb.c:1.26 Tue Dec 9 07:42:50 2014 +++ src/sys/dev/pci/pm2fb.c Wed Dec 17 16:50:08 2014 @@ -1,7 +1,8 @@ -/* $NetBSD: pm2fb.c,v 1.26 2014/12/09 07:42:50 macallan Exp $ */ +/* $NetBSD: pm2fb.c,v 1.27 2014/12/17 16:50:08 macallan Exp $ */ /* * Copyright (c) 2009, 2012 Michael Lorenz + * 2014 Naruaki Etomi * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -27,11 +28,10 @@ /* * A console driver for Permedia 2 graphics controllers - * tested on sparc64 only so far */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1.26 2014/12/09 07:42:50 macallan Exp $"); +__KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1.27 2014/12/17 16:50:08 macallan Exp $"); #include <sys/param.h> #include <sys/systm.h> @@ -73,6 +73,18 @@ __KERNEL_RCSID(0, "$NetBSD: pm2fb.c,v 1. #define DPRINTF while (0) printf #endif +#if BYTE_ORDER == LITTLE_ENDIAN +/* + * XXX + * A temporary workaround for unaligned blits on little endian hardware. + * This makes pm2fb_bitblt() work well on little endian hardware to get + * scrolling right, but not much more. Unaligned blits ( as in, where the lower + * 2 bits of the source and destination X coordinates don't match ) are still + * wrong so the glyph cache is also disabled. + */ +#define BITBLT_LE_WORKAROUND +#endif + struct pm2fb_softc { device_t sc_dev; @@ -184,10 +196,33 @@ static const struct i2c_bitbang_ops pm2f /* mode setting stuff */ static int pm2fb_set_pll(struct pm2fb_softc *, int); +static int pm2vfb_set_pll(struct pm2fb_softc *, int); static uint8_t pm2fb_read_dac(struct pm2fb_softc *, int); static void pm2fb_write_dac(struct pm2fb_softc *, int, uint8_t); static void pm2fb_set_mode(struct pm2fb_softc *, const struct videomode *); +const struct { + int vendor; + int product; + int flags; +} pm2fb_pci_devices[] = { + { + PCI_VENDOR_3DLABS, + PCI_PRODUCT_3DLABS_PERMEDIA2V, + 0 + }, + { + PCI_VENDOR_TI, + PCI_PRODUCT_TI_TVP4020, + 1 + }, + { + 0, + 0, + 0 + } +}; + /* this table is from xf86-video-glint */ #define PARTPROD(a,b,c) (((a)<<6) | ((b)<<3) | (c)) int partprodPermedia[] = { @@ -250,26 +285,24 @@ pm2fb_flush_engine(struct pm2fb_softc *s while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO_WORDS) == 0); } while (bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_OUTPUT_FIFO) != - 0x188); + PM2_SYNC_TAG); } static int pm2fb_match(device_t parent, cfdata_t match, void *aux) { struct pci_attach_args *pa = (struct pci_attach_args *)aux; + int i; if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY) return 0; - if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_3DLABS) - return 0; - /* - * only card tested on so far is a TechSource Raptor GFX 8P / - * Sun PGX32, which happens to be a Permedia 2v - */ - if (/*(PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2) ||*/ - (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3DLABS_PERMEDIA2V)) - return 100; + for (i = 0; pm2fb_pci_devices[i].vendor; i++) { + if ((PCI_VENDOR(pa->pa_id) == pm2fb_pci_devices[i].vendor && + PCI_PRODUCT(pa->pa_id) == pm2fb_pci_devices[i].product)) + return 100; + } + return (0); } @@ -284,14 +317,21 @@ pm2fb_attach(device_t parent, device_t s unsigned long defattr; bool is_console; uint32_t flags; + int i; sc->sc_pc = pa->pa_pc; sc->sc_pcitag = pa->pa_tag; sc->sc_memt = pa->pa_memt; sc->sc_iot = pa->pa_iot; sc->sc_dev = self; - sc->sc_is_pm2 = (PCI_PRODUCT(pa->pa_id) == - PCI_PRODUCT_3DLABS_PERMEDIA2); + + for (i = 0; pm2fb_pci_devices[i].vendor; i++) { + if (PCI_PRODUCT(pa->pa_id) == pm2fb_pci_devices[i].product) { + sc->sc_is_pm2 = pm2fb_pci_devices[i].flags ; + break; + } + } + pci_aprint_devinfo(pa, NULL); /* @@ -725,11 +765,13 @@ pm2fb_write_dac(struct pm2fb_softc *sc, { pm2fb_wait(sc, 3); if (sc->sc_is_pm2) { + pm2fb_wait(sc, 2); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_PAL_WRITE_IDX, reg); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2_DAC_INDEX_DATA, data); } else { + pm2fb_wait(sc, 3); bus_space_write_1(sc->sc_memt, sc->sc_regh, PM2V_DAC_INDEX_LOW, reg & 0xff); bus_space_write_1(sc->sc_memt, sc->sc_regh, @@ -903,7 +945,12 @@ pm2fb_bitblt(void *cookie, int xs, int y rwi = (wi + 7) >> 2; rxdelta = (xs & 0xffc) - (xd & 0xffc); /* adjust for non-aligned x */ +#ifdef BITBLT_LE_WORKAROUND + /* I have no idea why this seems to work */ + adjust = 1; +#else adjust = ((xd & 3) - (xs & 3)); +#endif bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_RE_PACKEDDATA_LIMIT, (xd << 16) | (xd + wi) | (adjust << 29)); @@ -1001,6 +1048,16 @@ pm2fb_putchar(void *cookie, int row, int data = (uint8_t *)font->data + uc * ri->ri_fontscale; mode = PM2RM_MASK_MIRROR; +#if BYTE_ORDER == LITTLE_ENDIAN + switch (ri->ri_font->stride) { + case 1: + mode |= 4 << 7; + break; + case 2: + mode |= 3 << 7; + break; + } +#else switch (ri->ri_font->stride) { case 1: mode |= 3 << 7; @@ -1009,7 +1066,7 @@ pm2fb_putchar(void *cookie, int row, int mode |= 2 << 7; break; } - +#endif pm2fb_wait(sc, 8); bus_space_write_4(sc->sc_memt, sc->sc_regh, @@ -1099,9 +1156,13 @@ pm2fb_putchar_aa(void *cookie, int row, return; } +#ifdef BITBLT_LE_WORKAROUND + rv = GC_NOPE; +#else rv = glyphcache_try(&sc->sc_gc, c, x, y, attr); if (rv == GC_OK) return; +#endif data8 = WSFONT_GLYPH(c, font); @@ -1452,21 +1513,17 @@ pm2fb_i2c_write_byte(void *cookie, uint8 return (i2c_bitbang_write_byte(cookie, val, flags, &pm2fb_i2cbb_ops)); } -#define RefClk 14318 /* all frequencies are in kHz */ static int -pm2fb_set_pll(struct pm2fb_softc *sc, int freq) +pm2vfb_set_pll(struct pm2fb_softc *sc, int freq) { int m, n, p, diff, out_freq, bm = 1, bn = 3, bp = 0, bdiff = 1000000 /* , bfreq */; int fi; uint8_t temp; - /* - * this should work on PM2V, PM2 needs something slightly different - */ for (m = 1; m < 128; m++) { for (n = 2 * m + 1; n < 256; n++) { - fi = RefClk * n / m; + fi = PM2_EXT_CLOCK_FREQ * n / m; for (p = 0; p < 2; p++) { out_freq = fi >> (p + 1); diff = abs(out_freq - freq); @@ -1498,12 +1555,126 @@ pm2fb_set_pll(struct pm2fb_softc *sc, in return 0; } +static int +pm2fb_set_pll(struct pm2fb_softc *sc, int freq) +{ + uint8_t reg, bm = 0, bn = 0, bp = 0; + unsigned int m, n, p, fi, diff, out_freq, bdiff = 1000000; + + for (n = 2; n < 15; n++) { + for (m = 2 ; m < 256; m++) { + fi = PM2_EXT_CLOCK_FREQ * m / n; + if (fi >= PM2_PLL_FREQ_MIN && fi <= PM2_PLL_FREQ_MAX) { + for (p = 0; p < 5; p++) { + out_freq = fi >> p; + diff = abs(out_freq - freq); + if (diff < bdiff) { + bm = m; + bn = n; + bp = p; + bdiff = diff; + } + } + } + } + } + + pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_M, bm); + pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_N, bn); + pm2fb_write_dac(sc, PM2_DAC_PIXELCLKA_P, (bp | 0x08)); + + do { + reg = bus_space_read_1(sc->sc_memt, sc->sc_regh, + PM2_DAC_INDEX_DATA); + } while (reg == PCLK_LOCKED); + + return 0; +} + +/* + * most of the following was adapted from the xf86-video-glint driver's + * pm2_dac.c (8bpp only) + */ +static void +pm2fb_set_dac(struct pm2fb_softc *sc, const struct videomode *mode) +{ + int t1, t2, t3, t4, stride; + uint32_t vclk, tmp; + uint8_t sync = 0; + + t1 = mode->hsync_start - mode->hdisplay; + t2 = mode->vsync_start - mode->vdisplay; + t3 = mode->hsync_end - mode->hsync_start; + t4 = mode->vsync_end - mode->vsync_start; + + /* first round up to the next multiple of 32 */ + stride = (mode->hdisplay + 31) & ~31; + /* then find the next bigger one that we have partial products for */ + while ((partprodPermedia[stride >> 5] == -1) && (stride < 2048)) { + stride += 32; + } + + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HTOTAL, + ((mode->htotal) >> 2) - 1); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_END, + (t1 + t3) >> 2); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HSYNC_START, + (t1 >> 2)); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HBLANK_END, + (mode->htotal - mode->hdisplay) >> 2); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_HGATE_END, + (mode->htotal - mode->hdisplay) >> 2); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_SCREEN_STRIDE, + stride >> 3); + + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VTOTAL, + mode->vtotal - 2); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_END, + t2 + t4 - 1); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VSYNC_START, + t2 - 1); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VBLANK_END, + mode->vtotal - mode->vdisplay); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VIDEO_CONTROL, + PM2_VC_VIDEO_ENABLE | + PM2_VC_HSYNC_ACT_HIGH | PM2_VC_VSYNC_ACT_HIGH); + + vclk = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, + vclk & 0xfffffffc); + + tmp = bus_space_read_4(sc->sc_memt, sc->sc_regh, PM2_CHIP_CONFIG); + bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_CHIP_CONFIG, + tmp & 0xffffffdd); + + pm2fb_write_dac(sc, PM2_DAC_MODE_CONTROL, MOC_BUFFERFRONT); + pm2fb_set_pll(sc, mode->dot_clock); + + sync = MC_PALETTE_8BIT; + + if (!(mode->flags & VID_PHSYNC)) + sync |= MC_HSYNC_INV; + if (!(mode->flags & VID_PVSYNC)) + sync |= MC_VSYNC_INV; + + pm2fb_write_dac(sc, PM2_DAC_MISC_CONTROL, sync); + pm2fb_write_dac(sc, PM2_DAC_COLOR_MODE, + CM_PALETTE | CM_GUI_ENABLE | CM_RGB); + + sc->sc_width = mode->hdisplay; + sc->sc_height = mode->vdisplay; + sc->sc_depth = 8; + sc->sc_stride = stride; + aprint_normal_dev(sc->sc_dev, "pm2 using %d x %d in 8 bit, stride %d\n", + sc->sc_width, sc->sc_height, stride); +} + /* * most of the following was adapted from the xf86-video-glint driver's * pm2v_dac.c */ static void -pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) +pm2vfb_set_dac(struct pm2fb_softc *sc, const struct videomode *mode) { int t1, t2, t3, t4, stride; uint32_t vclk; @@ -1551,7 +1722,7 @@ pm2fb_set_mode(struct pm2fb_softc *sc, c bus_space_write_4(sc->sc_memt, sc->sc_regh, PM2_VCLKCTL, vclk & 0xfffffffc); - pm2fb_set_pll(sc, mode->dot_clock / 2); + pm2vfb_set_pll(sc, mode->dot_clock / 2); pm2fb_write_dac(sc, PM2V_DAC_MISC_CONTROL, PM2V_DAC_8BIT); if (mode->flags & VID_PHSYNC) @@ -1566,6 +1737,16 @@ pm2fb_set_mode(struct pm2fb_softc *sc, c sc->sc_height = mode->vdisplay; sc->sc_depth = 8; sc->sc_stride = stride; - aprint_normal_dev(sc->sc_dev, "using %d x %d in 8 bit, stride %d\n", + aprint_normal_dev(sc->sc_dev, "pm2v using %d x %d in 8 bit, stride %d\n", sc->sc_width, sc->sc_height, stride); } + +static void +pm2fb_set_mode(struct pm2fb_softc *sc, const struct videomode *mode) +{ + if (sc->sc_is_pm2) { + pm2fb_set_dac(sc, mode); + } else { + pm2vfb_set_dac(sc, mode); + } +} Index: src/sys/dev/pci/pm2reg.h diff -u src/sys/dev/pci/pm2reg.h:1.9 src/sys/dev/pci/pm2reg.h:1.10 --- src/sys/dev/pci/pm2reg.h:1.9 Sun Dec 14 13:58:41 2014 +++ src/sys/dev/pci/pm2reg.h Wed Dec 17 16:50:08 2014 @@ -1,4 +1,4 @@ -/* $NetBSD: pm2reg.h,v 1.9 2014/12/14 13:58:41 macallan Exp $ */ +/* $NetBSD: pm2reg.h,v 1.10 2014/12/17 16:50:08 macallan Exp $ */ /* * Copyright (c) 2009 Michael Lorenz @@ -33,6 +33,11 @@ #ifndef PM2_REG_H #define PM2_REG_H +/* all frequencies are in kHz */ +#define PM2_EXT_CLOCK_FREQ 14318 +#define PM2_PLL_FREQ_MIN 150000 +#define PM2_PLL_FREQ_MAX 300000 + #define PM2_RESET 0x00000000 /* any write initiates a chip reset */ #define PM2_RESET_BUSY 0x80000000 /* reset in progress */ @@ -60,6 +65,8 @@ #define PM2_AP_SVGA 0x00000100 #define PM2_AP_ROM 0x00000200 +#define PM2_CHIP_CONFIG 0x00000070 + #define PM2_BYPASS_MASK 0x00001100 #define PM2_FB_WRITE_MASK 0x00001140 @@ -149,6 +156,8 @@ #define CM_GUI_ENABLE 0x10 #define CM_RGB 0x20 /* BGR otherwise */ #define CM_TRUECOLOR 0x80 /* use palette for gamma correction */ +#define PM2_DAC_MODE_CONTROL 0x19 +#define MOC_BUFFERFRONT 0x00 #define PM2_DAC_MISC_CONTROL 0x1e #define MC_POWERDOWN 0x01 @@ -325,5 +334,5 @@ #define PM2_RE_DATA 0x00008aa0 /* pixel data */ #define PM2_RE_SOURCEDATA 0x00008aa8 /* raw data */ - +#define PM2_SYNC_TAG 0x188 #endif /* PM2_REG_H */