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Diffstat (limited to '')
20 files changed, 10283 insertions, 0 deletions
diff --git a/drivers/video/fbdev/matrox/Makefile b/drivers/video/fbdev/matrox/Makefile new file mode 100644 index 000000000..f39088e5d --- /dev/null +++ b/drivers/video/fbdev/matrox/Makefile @@ -0,0 +1,12 @@ +# SPDX-License-Identifier: GPL-2.0-only +# Makefile for the Linux video drivers. +# 5 Aug 1999, James Simmons, <mailto:jsimmons@edgeglobal.com> +# Rewritten to use lists instead of if-statements. + +# Each configuration option enables a list of files. + +my-obj-$(CONFIG_FB_MATROX_G) += g450_pll.o matroxfb_g450.o matroxfb_crtc2.o + +obj-$(CONFIG_FB_MATROX) += matroxfb_base.o matroxfb_accel.o matroxfb_DAC1064.o matroxfb_Ti3026.o matroxfb_misc.o $(my-obj-y) +obj-$(CONFIG_FB_MATROX_I2C) += i2c-matroxfb.o +obj-$(CONFIG_FB_MATROX_MAVEN) += matroxfb_maven.o matroxfb_crtc2.o diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c new file mode 100644 index 000000000..ff8e321a2 --- /dev/null +++ b/drivers/video/fbdev/matrox/g450_pll.c @@ -0,0 +1,517 @@ +/* + * + * Hardware accelerated Matrox PCI cards - G450/G550 PLL control. + * + * (c) 2001-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.64 2002/06/10 + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + * + */ + +#include "g450_pll.h" +#include "matroxfb_DAC1064.h" + +static inline unsigned int g450_vco2f(unsigned char p, unsigned int fvco) { + return (p & 0x40) ? fvco : fvco >> ((p & 3) + 1); +} + +static inline unsigned int g450_f2vco(unsigned char p, unsigned int fin) { + return (p & 0x40) ? fin : fin << ((p & 3) + 1); +} + +static unsigned int g450_mnp2vco(const struct matrox_fb_info *minfo, + unsigned int mnp) +{ + unsigned int m, n; + + m = ((mnp >> 16) & 0x0FF) + 1; + n = ((mnp >> 7) & 0x1FE) + 4; + return (minfo->features.pll.ref_freq * n + (m >> 1)) / m; +} + +unsigned int g450_mnp2f(const struct matrox_fb_info *minfo, unsigned int mnp) +{ + return g450_vco2f(mnp, g450_mnp2vco(minfo, mnp)); +} + +static inline unsigned int pll_freq_delta(unsigned int f1, unsigned int f2) { + if (f2 < f1) { + f2 = f1 - f2; + } else { + f2 = f2 - f1; + } + return f2; +} + +#define NO_MORE_MNP 0x01FFFFFF +#define G450_MNP_FREQBITS (0xFFFFFF43) /* do not mask high byte so we'll catch NO_MORE_MNP */ + +static unsigned int g450_nextpll(const struct matrox_fb_info *minfo, + const struct matrox_pll_limits *pi, + unsigned int *fvco, unsigned int mnp) +{ + unsigned int m, n, p; + unsigned int tvco = *fvco; + + m = (mnp >> 16) & 0xFF; + p = mnp & 0xFF; + + do { + if (m == 0 || m == 0xFF) { + if (m == 0) { + if (p & 0x40) { + return NO_MORE_MNP; + } + if (p & 3) { + p--; + } else { + p = 0x40; + } + tvco >>= 1; + if (tvco < pi->vcomin) { + return NO_MORE_MNP; + } + *fvco = tvco; + } + + p &= 0x43; + if (tvco < 550000) { +/* p |= 0x00; */ + } else if (tvco < 700000) { + p |= 0x08; + } else if (tvco < 1000000) { + p |= 0x10; + } else if (tvco < 1150000) { + p |= 0x18; + } else { + p |= 0x20; + } + m = 9; + } else { + m--; + } + n = ((tvco * (m+1) + minfo->features.pll.ref_freq) / (minfo->features.pll.ref_freq * 2)) - 2; + } while (n < 0x03 || n > 0x7A); + return (m << 16) | (n << 8) | p; +} + +static unsigned int g450_firstpll(const struct matrox_fb_info *minfo, + const struct matrox_pll_limits *pi, + unsigned int *vco, unsigned int fout) +{ + unsigned int p; + unsigned int vcomax; + + vcomax = pi->vcomax; + if (fout > (vcomax / 2)) { + if (fout > vcomax) { + *vco = vcomax; + } else { + *vco = fout; + } + p = 0x40; + } else { + unsigned int tvco; + + p = 3; + tvco = g450_f2vco(p, fout); + while (p && (tvco > vcomax)) { + p--; + tvco >>= 1; + } + if (tvco < pi->vcomin) { + tvco = pi->vcomin; + } + *vco = tvco; + } + return g450_nextpll(minfo, pi, vco, 0xFF0000 | p); +} + +static inline unsigned int g450_setpll(const struct matrox_fb_info *minfo, + unsigned int mnp, unsigned int pll) +{ + switch (pll) { + case M_PIXEL_PLL_A: + matroxfb_DAC_out(minfo, M1064_XPIXPLLAM, mnp >> 16); + matroxfb_DAC_out(minfo, M1064_XPIXPLLAN, mnp >> 8); + matroxfb_DAC_out(minfo, M1064_XPIXPLLAP, mnp); + return M1064_XPIXPLLSTAT; + + case M_PIXEL_PLL_B: + matroxfb_DAC_out(minfo, M1064_XPIXPLLBM, mnp >> 16); + matroxfb_DAC_out(minfo, M1064_XPIXPLLBN, mnp >> 8); + matroxfb_DAC_out(minfo, M1064_XPIXPLLBP, mnp); + return M1064_XPIXPLLSTAT; + + case M_PIXEL_PLL_C: + matroxfb_DAC_out(minfo, M1064_XPIXPLLCM, mnp >> 16); + matroxfb_DAC_out(minfo, M1064_XPIXPLLCN, mnp >> 8); + matroxfb_DAC_out(minfo, M1064_XPIXPLLCP, mnp); + return M1064_XPIXPLLSTAT; + + case M_SYSTEM_PLL: + matroxfb_DAC_out(minfo, DAC1064_XSYSPLLM, mnp >> 16); + matroxfb_DAC_out(minfo, DAC1064_XSYSPLLN, mnp >> 8); + matroxfb_DAC_out(minfo, DAC1064_XSYSPLLP, mnp); + return DAC1064_XSYSPLLSTAT; + + case M_VIDEO_PLL: + matroxfb_DAC_out(minfo, M1064_XVIDPLLM, mnp >> 16); + matroxfb_DAC_out(minfo, M1064_XVIDPLLN, mnp >> 8); + matroxfb_DAC_out(minfo, M1064_XVIDPLLP, mnp); + return M1064_XVIDPLLSTAT; + } + return 0; +} + +static inline unsigned int g450_cmppll(const struct matrox_fb_info *minfo, + unsigned int mnp, unsigned int pll) +{ + unsigned char m = mnp >> 16; + unsigned char n = mnp >> 8; + unsigned char p = mnp; + + switch (pll) { + case M_PIXEL_PLL_A: + return (matroxfb_DAC_in(minfo, M1064_XPIXPLLAM) != m || + matroxfb_DAC_in(minfo, M1064_XPIXPLLAN) != n || + matroxfb_DAC_in(minfo, M1064_XPIXPLLAP) != p); + + case M_PIXEL_PLL_B: + return (matroxfb_DAC_in(minfo, M1064_XPIXPLLBM) != m || + matroxfb_DAC_in(minfo, M1064_XPIXPLLBN) != n || + matroxfb_DAC_in(minfo, M1064_XPIXPLLBP) != p); + + case M_PIXEL_PLL_C: + return (matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) != m || + matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) != n || + matroxfb_DAC_in(minfo, M1064_XPIXPLLCP) != p); + + case M_SYSTEM_PLL: + return (matroxfb_DAC_in(minfo, DAC1064_XSYSPLLM) != m || + matroxfb_DAC_in(minfo, DAC1064_XSYSPLLN) != n || + matroxfb_DAC_in(minfo, DAC1064_XSYSPLLP) != p); + + case M_VIDEO_PLL: + return (matroxfb_DAC_in(minfo, M1064_XVIDPLLM) != m || + matroxfb_DAC_in(minfo, M1064_XVIDPLLN) != n || + matroxfb_DAC_in(minfo, M1064_XVIDPLLP) != p); + } + return 1; +} + +static inline int g450_isplllocked(const struct matrox_fb_info *minfo, + unsigned int regidx) +{ + unsigned int j; + + for (j = 0; j < 1000; j++) { + if (matroxfb_DAC_in(minfo, regidx) & 0x40) { + unsigned int r = 0; + int i; + + for (i = 0; i < 100; i++) { + r += matroxfb_DAC_in(minfo, regidx) & 0x40; + } + return r >= (90 * 0x40); + } + /* udelay(1)... but DAC_in is much slower... */ + } + return 0; +} + +static int g450_testpll(const struct matrox_fb_info *minfo, unsigned int mnp, + unsigned int pll) +{ + return g450_isplllocked(minfo, g450_setpll(minfo, mnp, pll)); +} + +static void updatehwstate_clk(struct matrox_hw_state* hw, unsigned int mnp, unsigned int pll) { + switch (pll) { + case M_SYSTEM_PLL: + hw->DACclk[3] = mnp >> 16; + hw->DACclk[4] = mnp >> 8; + hw->DACclk[5] = mnp; + break; + } +} + +void matroxfb_g450_setpll_cond(struct matrox_fb_info *minfo, unsigned int mnp, + unsigned int pll) +{ + if (g450_cmppll(minfo, mnp, pll)) { + g450_setpll(minfo, mnp, pll); + } +} + +static inline unsigned int g450_findworkingpll(struct matrox_fb_info *minfo, + unsigned int pll, + unsigned int *mnparray, + unsigned int mnpcount) +{ + unsigned int found = 0; + unsigned int idx; + unsigned int mnpfound = mnparray[0]; + + for (idx = 0; idx < mnpcount; idx++) { + unsigned int sarray[3]; + unsigned int *sptr; + { + unsigned int mnp; + + sptr = sarray; + mnp = mnparray[idx]; + if (mnp & 0x38) { + *sptr++ = mnp - 8; + } + if ((mnp & 0x38) != 0x38) { + *sptr++ = mnp + 8; + } + *sptr = mnp; + } + while (sptr >= sarray) { + unsigned int mnp = *sptr--; + + if (g450_testpll(minfo, mnp - 0x0300, pll) && + g450_testpll(minfo, mnp + 0x0300, pll) && + g450_testpll(minfo, mnp - 0x0200, pll) && + g450_testpll(minfo, mnp + 0x0200, pll) && + g450_testpll(minfo, mnp - 0x0100, pll) && + g450_testpll(minfo, mnp + 0x0100, pll)) { + if (g450_testpll(minfo, mnp, pll)) { + return mnp; + } + } else if (!found && g450_testpll(minfo, mnp, pll)) { + mnpfound = mnp; + found = 1; + } + } + } + g450_setpll(minfo, mnpfound, pll); + return mnpfound; +} + +static void g450_addcache(struct matrox_pll_cache* ci, unsigned int mnp_key, unsigned int mnp_value) { + if (++ci->valid > ARRAY_SIZE(ci->data)) { + ci->valid = ARRAY_SIZE(ci->data); + } + memmove(ci->data + 1, ci->data, (ci->valid - 1) * sizeof(*ci->data)); + ci->data[0].mnp_key = mnp_key & G450_MNP_FREQBITS; + ci->data[0].mnp_value = mnp_value; +} + +static int g450_checkcache(struct matrox_fb_info *minfo, + struct matrox_pll_cache *ci, unsigned int mnp_key) +{ + unsigned int i; + + mnp_key &= G450_MNP_FREQBITS; + for (i = 0; i < ci->valid; i++) { + if (ci->data[i].mnp_key == mnp_key) { + unsigned int mnp; + + mnp = ci->data[i].mnp_value; + if (i) { + memmove(ci->data + 1, ci->data, i * sizeof(*ci->data)); + ci->data[0].mnp_key = mnp_key; + ci->data[0].mnp_value = mnp; + } + return mnp; + } + } + return NO_MORE_MNP; +} + +static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, + unsigned int pll, unsigned int *mnparray, + unsigned int *deltaarray) +{ + unsigned int mnpcount; + const struct matrox_pll_limits* pi; + struct matrox_pll_cache* ci; + + switch (pll) { + case M_PIXEL_PLL_A: + case M_PIXEL_PLL_B: + case M_PIXEL_PLL_C: + { + u_int8_t tmp, xpwrctrl; + unsigned long flags; + + matroxfb_DAC_lock_irqsave(flags); + + xpwrctrl = matroxfb_DAC_in(minfo, M1064_XPWRCTRL); + matroxfb_DAC_out(minfo, M1064_XPWRCTRL, xpwrctrl & ~M1064_XPWRCTRL_PANELPDN); + mga_outb(M_SEQ_INDEX, M_SEQ1); + mga_outb(M_SEQ_DATA, mga_inb(M_SEQ_DATA) | M_SEQ1_SCROFF); + tmp = matroxfb_DAC_in(minfo, M1064_XPIXCLKCTRL); + tmp |= M1064_XPIXCLKCTRL_DIS; + if (!(tmp & M1064_XPIXCLKCTRL_PLL_UP)) { + tmp |= M1064_XPIXCLKCTRL_PLL_UP; + } + matroxfb_DAC_out(minfo, M1064_XPIXCLKCTRL, tmp); + /* DVI PLL preferred for frequencies up to + panel link max, standard PLL otherwise */ + if (fout >= minfo->max_pixel_clock_panellink) + tmp = 0; + else tmp = + M1064_XDVICLKCTRL_DVIDATAPATHSEL | + M1064_XDVICLKCTRL_C1DVICLKSEL | + M1064_XDVICLKCTRL_C1DVICLKEN | + M1064_XDVICLKCTRL_DVILOOPCTL | + M1064_XDVICLKCTRL_P1LOOPBWDTCTL; + /* Setting this breaks PC systems so don't do it */ + /* matroxfb_DAC_out(minfo, M1064_XDVICLKCTRL, tmp); */ + matroxfb_DAC_out(minfo, M1064_XPWRCTRL, + xpwrctrl); + + matroxfb_DAC_unlock_irqrestore(flags); + } + { + u_int8_t misc; + + misc = mga_inb(M_MISC_REG_READ) & ~0x0C; + switch (pll) { + case M_PIXEL_PLL_A: + break; + case M_PIXEL_PLL_B: + misc |= 0x04; + break; + default: + misc |= 0x0C; + break; + } + mga_outb(M_MISC_REG, misc); + } + pi = &minfo->limits.pixel; + ci = &minfo->cache.pixel; + break; + case M_SYSTEM_PLL: + { + u_int32_t opt; + + pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &opt); + if (!(opt & 0x20)) { + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, opt | 0x20); + } + } + pi = &minfo->limits.system; + ci = &minfo->cache.system; + break; + case M_VIDEO_PLL: + { + u_int8_t tmp; + unsigned int mnp; + unsigned long flags; + + matroxfb_DAC_lock_irqsave(flags); + tmp = matroxfb_DAC_in(minfo, M1064_XPWRCTRL); + if (!(tmp & 2)) { + matroxfb_DAC_out(minfo, M1064_XPWRCTRL, tmp | 2); + } + + mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16; + mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8; + matroxfb_DAC_unlock_irqrestore(flags); + } + pi = &minfo->limits.video; + ci = &minfo->cache.video; + break; + default: + return -EINVAL; + } + + mnpcount = 0; + { + unsigned int mnp; + unsigned int xvco; + + for (mnp = g450_firstpll(minfo, pi, &xvco, fout); mnp != NO_MORE_MNP; mnp = g450_nextpll(minfo, pi, &xvco, mnp)) { + unsigned int idx; + unsigned int vco; + unsigned int delta; + + vco = g450_mnp2vco(minfo, mnp); + delta = pll_freq_delta(fout, g450_vco2f(mnp, vco)); + for (idx = mnpcount; idx > 0; idx--) { + /* == is important; due to nextpll algorithm we get + sorted equally good frequencies from lower VCO + frequency to higher - with <= lowest wins, while + with < highest one wins */ + if (delta <= deltaarray[idx-1]) { + /* all else being equal except VCO, + * choose VCO not near (within 1/16th or so) VCOmin + * (freqs near VCOmin aren't as stable) + */ + if (delta == deltaarray[idx-1] + && vco != g450_mnp2vco(minfo, mnparray[idx-1]) + && vco < (pi->vcomin * 17 / 16)) { + break; + } + mnparray[idx] = mnparray[idx-1]; + deltaarray[idx] = deltaarray[idx-1]; + } else { + break; + } + } + mnparray[idx] = mnp; + deltaarray[idx] = delta; + mnpcount++; + } + } + /* VideoPLL and PixelPLL matched: do nothing... In all other cases we should get at least one frequency */ + if (!mnpcount) { + return -EBUSY; + } + { + unsigned long flags; + unsigned int mnp; + + matroxfb_DAC_lock_irqsave(flags); + mnp = g450_checkcache(minfo, ci, mnparray[0]); + if (mnp != NO_MORE_MNP) { + matroxfb_g450_setpll_cond(minfo, mnp, pll); + } else { + mnp = g450_findworkingpll(minfo, pll, mnparray, mnpcount); + g450_addcache(ci, mnparray[0], mnp); + } + updatehwstate_clk(&minfo->hw, mnp, pll); + matroxfb_DAC_unlock_irqrestore(flags); + return mnp; + } +} + +/* It must be greater than number of possible PLL values. + * Currently there is 5(p) * 10(m) = 50 possible values. */ +#define MNP_TABLE_SIZE 64 + +int matroxfb_g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, + unsigned int pll) +{ + unsigned int* arr; + + arr = kmalloc(sizeof(*arr) * MNP_TABLE_SIZE * 2, GFP_KERNEL); + if (arr) { + int r; + + r = __g450_setclk(minfo, fout, pll, arr, arr + MNP_TABLE_SIZE); + kfree(arr); + return r; + } + return -ENOMEM; +} + +EXPORT_SYMBOL(matroxfb_g450_setclk); +EXPORT_SYMBOL(g450_mnp2f); +EXPORT_SYMBOL(matroxfb_g450_setpll_cond); + +MODULE_AUTHOR("(c) 2001-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Matrox G450/G550 PLL driver"); + +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/g450_pll.h b/drivers/video/fbdev/matrox/g450_pll.h new file mode 100644 index 000000000..5303336c6 --- /dev/null +++ b/drivers/video/fbdev/matrox/g450_pll.h @@ -0,0 +1,13 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __G450_PLL_H__ +#define __G450_PLL_H__ + +#include "matroxfb_base.h" + +int matroxfb_g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, + unsigned int pll); +unsigned int g450_mnp2f(const struct matrox_fb_info *minfo, unsigned int mnp); +void matroxfb_g450_setpll_cond(struct matrox_fb_info *minfo, unsigned int mnp, + unsigned int pll); + +#endif /* __G450_PLL_H__ */ diff --git a/drivers/video/fbdev/matrox/i2c-matroxfb.c b/drivers/video/fbdev/matrox/i2c-matroxfb.c new file mode 100644 index 000000000..e2e4705e3 --- /dev/null +++ b/drivers/video/fbdev/matrox/i2c-matroxfb.c @@ -0,0 +1,239 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Version: 1.64 2002/06/10 + * + * See matroxfb_base.c for contributors. + * + */ + +#include "matroxfb_base.h" +#include "matroxfb_maven.h" +#include <linux/i2c.h> +#include <linux/slab.h> +#include <linux/i2c-algo-bit.h> + +/* MGA-TVO I2C for G200, G400 */ +#define MAT_CLK 0x20 +#define MAT_DATA 0x10 +/* primary head DDC for Mystique(?), G100, G200, G400 */ +#define DDC1_CLK 0x08 +#define DDC1_DATA 0x02 +/* primary head DDC for Millennium, Millennium II */ +#define DDC1B_CLK 0x10 +#define DDC1B_DATA 0x04 +/* secondary head DDC for G400 */ +#define DDC2_CLK 0x04 +#define DDC2_DATA 0x01 + +/******************************************************/ + +struct matroxfb_dh_maven_info { + struct i2c_bit_adapter maven; + struct i2c_bit_adapter ddc1; + struct i2c_bit_adapter ddc2; +}; + +static int matroxfb_read_gpio(struct matrox_fb_info* minfo) { + unsigned long flags; + int v; + + matroxfb_DAC_lock_irqsave(flags); + v = matroxfb_DAC_in(minfo, DAC_XGENIODATA); + matroxfb_DAC_unlock_irqrestore(flags); + return v; +} + +static void matroxfb_set_gpio(struct matrox_fb_info* minfo, int mask, int val) { + unsigned long flags; + int v; + + matroxfb_DAC_lock_irqsave(flags); + v = (matroxfb_DAC_in(minfo, DAC_XGENIOCTRL) & mask) | val; + matroxfb_DAC_out(minfo, DAC_XGENIOCTRL, v); + /* We must reset GENIODATA very often... XFree plays with this register */ + matroxfb_DAC_out(minfo, DAC_XGENIODATA, 0x00); + matroxfb_DAC_unlock_irqrestore(flags); +} + +/* software I2C functions */ +static inline void matroxfb_i2c_set(struct matrox_fb_info* minfo, int mask, int state) { + if (state) + state = 0; + else + state = mask; + matroxfb_set_gpio(minfo, ~mask, state); +} + +static void matroxfb_gpio_setsda(void* data, int state) { + struct i2c_bit_adapter* b = data; + matroxfb_i2c_set(b->minfo, b->mask.data, state); +} + +static void matroxfb_gpio_setscl(void* data, int state) { + struct i2c_bit_adapter* b = data; + matroxfb_i2c_set(b->minfo, b->mask.clock, state); +} + +static int matroxfb_gpio_getsda(void* data) { + struct i2c_bit_adapter* b = data; + return (matroxfb_read_gpio(b->minfo) & b->mask.data) ? 1 : 0; +} + +static int matroxfb_gpio_getscl(void* data) { + struct i2c_bit_adapter* b = data; + return (matroxfb_read_gpio(b->minfo) & b->mask.clock) ? 1 : 0; +} + +static const struct i2c_algo_bit_data matrox_i2c_algo_template = +{ + .setsda = matroxfb_gpio_setsda, + .setscl = matroxfb_gpio_setscl, + .getsda = matroxfb_gpio_getsda, + .getscl = matroxfb_gpio_getscl, + .udelay = 10, + .timeout = 100, +}; + +static int i2c_bus_reg(struct i2c_bit_adapter* b, struct matrox_fb_info* minfo, + unsigned int data, unsigned int clock, const char *name, + int class) +{ + int err; + + b->minfo = minfo; + b->mask.data = data; + b->mask.clock = clock; + b->adapter.owner = THIS_MODULE; + snprintf(b->adapter.name, sizeof(b->adapter.name), name, + minfo->fbcon.node); + i2c_set_adapdata(&b->adapter, b); + b->adapter.class = class; + b->adapter.algo_data = &b->bac; + b->adapter.dev.parent = &minfo->pcidev->dev; + b->bac = matrox_i2c_algo_template; + b->bac.data = b; + err = i2c_bit_add_bus(&b->adapter); + b->initialized = !err; + return err; +} + +static void i2c_bit_bus_del(struct i2c_bit_adapter* b) { + if (b->initialized) { + i2c_del_adapter(&b->adapter); + b->initialized = 0; + } +} + +static inline void i2c_maven_done(struct matroxfb_dh_maven_info* minfo2) { + i2c_bit_bus_del(&minfo2->maven); +} + +static inline void i2c_ddc1_done(struct matroxfb_dh_maven_info* minfo2) { + i2c_bit_bus_del(&minfo2->ddc1); +} + +static inline void i2c_ddc2_done(struct matroxfb_dh_maven_info* minfo2) { + i2c_bit_bus_del(&minfo2->ddc2); +} + +static void* i2c_matroxfb_probe(struct matrox_fb_info* minfo) { + int err; + unsigned long flags; + struct matroxfb_dh_maven_info* m2info; + + m2info = kzalloc(sizeof(*m2info), GFP_KERNEL); + if (!m2info) + return NULL; + + matroxfb_DAC_lock_irqsave(flags); + matroxfb_DAC_out(minfo, DAC_XGENIODATA, 0xFF); + matroxfb_DAC_out(minfo, DAC_XGENIOCTRL, 0x00); + matroxfb_DAC_unlock_irqrestore(flags); + + switch (minfo->chip) { + case MGA_2064: + case MGA_2164: + err = i2c_bus_reg(&m2info->ddc1, minfo, + DDC1B_DATA, DDC1B_CLK, + "DDC:fb%u #0", I2C_CLASS_DDC); + break; + default: + err = i2c_bus_reg(&m2info->ddc1, minfo, + DDC1_DATA, DDC1_CLK, + "DDC:fb%u #0", I2C_CLASS_DDC); + break; + } + if (err) + goto fail_ddc1; + if (minfo->devflags.dualhead) { + err = i2c_bus_reg(&m2info->ddc2, minfo, + DDC2_DATA, DDC2_CLK, + "DDC:fb%u #1", I2C_CLASS_DDC); + if (err == -ENODEV) { + printk(KERN_INFO "i2c-matroxfb: VGA->TV plug detected, DDC unavailable.\n"); + } else if (err) + printk(KERN_INFO "i2c-matroxfb: Could not register secondary output i2c bus. Continuing anyway.\n"); + /* Register maven bus even on G450/G550 */ + err = i2c_bus_reg(&m2info->maven, minfo, + MAT_DATA, MAT_CLK, "MAVEN:fb%u", 0); + if (err) + printk(KERN_INFO "i2c-matroxfb: Could not register Maven i2c bus. Continuing anyway.\n"); + else { + struct i2c_board_info maven_info = { + I2C_BOARD_INFO("maven", 0x1b), + }; + unsigned short const addr_list[2] = { + 0x1b, I2C_CLIENT_END + }; + + i2c_new_scanned_device(&m2info->maven.adapter, + &maven_info, addr_list, NULL); + } + } + return m2info; +fail_ddc1:; + kfree(m2info); + printk(KERN_ERR "i2c-matroxfb: Could not register primary adapter DDC bus.\n"); + return NULL; +} + +static void i2c_matroxfb_remove(struct matrox_fb_info* minfo, void* data) { + struct matroxfb_dh_maven_info* m2info = data; + + i2c_maven_done(m2info); + i2c_ddc2_done(m2info); + i2c_ddc1_done(m2info); + kfree(m2info); +} + +static struct matroxfb_driver i2c_matroxfb = { + .node = LIST_HEAD_INIT(i2c_matroxfb.node), + .name = "i2c-matroxfb", + .probe = i2c_matroxfb_probe, + .remove = i2c_matroxfb_remove, +}; + +static int __init i2c_matroxfb_init(void) { + if (matroxfb_register_driver(&i2c_matroxfb)) { + printk(KERN_ERR "i2c-matroxfb: failed to register driver\n"); + return -ENXIO; + } + return 0; +} + +static void __exit i2c_matroxfb_exit(void) { + matroxfb_unregister_driver(&i2c_matroxfb); +} + +MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Support module providing I2C buses present on Matrox videocards"); + +module_init(i2c_matroxfb_init); +module_exit(i2c_matroxfb_exit); +/* no __setup required */ +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.c b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c new file mode 100644 index 000000000..765e805d1 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.c @@ -0,0 +1,1114 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * See matroxfb_base.c for contributors. + * + */ + + +#include "matroxfb_DAC1064.h" +#include "matroxfb_misc.h" +#include "matroxfb_accel.h" +#include "g450_pll.h" +#include <linux/matroxfb.h> + +#ifdef NEED_DAC1064 +#define outDAC1064 matroxfb_DAC_out +#define inDAC1064 matroxfb_DAC_in + +#define DAC1064_OPT_SCLK_PCI 0x00 +#define DAC1064_OPT_SCLK_PLL 0x01 +#define DAC1064_OPT_SCLK_EXT 0x02 +#define DAC1064_OPT_SCLK_MASK 0x03 +#define DAC1064_OPT_GDIV1 0x04 /* maybe it is GDIV2 on G100 ?! */ +#define DAC1064_OPT_GDIV3 0x00 +#define DAC1064_OPT_MDIV1 0x08 +#define DAC1064_OPT_MDIV2 0x00 +#define DAC1064_OPT_RESERVED 0x10 + +static void DAC1064_calcclock(const struct matrox_fb_info *minfo, + unsigned int freq, unsigned int fmax, + unsigned int *in, unsigned int *feed, + unsigned int *post) +{ + unsigned int fvco; + unsigned int p; + + DBG(__func__) + + /* only for devices older than G450 */ + + fvco = PLL_calcclock(minfo, freq, fmax, in, feed, &p); + + p = (1 << p) - 1; + if (fvco <= 100000) + ; + else if (fvco <= 140000) + p |= 0x08; + else if (fvco <= 180000) + p |= 0x10; + else + p |= 0x18; + *post = p; +} + +/* they must be in POS order */ +static const unsigned char MGA1064_DAC_regs[] = { + M1064_XCURADDL, M1064_XCURADDH, M1064_XCURCTRL, + M1064_XCURCOL0RED, M1064_XCURCOL0GREEN, M1064_XCURCOL0BLUE, + M1064_XCURCOL1RED, M1064_XCURCOL1GREEN, M1064_XCURCOL1BLUE, + M1064_XCURCOL2RED, M1064_XCURCOL2GREEN, M1064_XCURCOL2BLUE, + DAC1064_XVREFCTRL, M1064_XMULCTRL, M1064_XPIXCLKCTRL, M1064_XGENCTRL, + M1064_XMISCCTRL, + M1064_XGENIOCTRL, M1064_XGENIODATA, M1064_XZOOMCTRL, M1064_XSENSETEST, + M1064_XCRCBITSEL, + M1064_XCOLKEYMASKL, M1064_XCOLKEYMASKH, M1064_XCOLKEYL, M1064_XCOLKEYH }; + +static const unsigned char MGA1064_DAC[] = { + 0x00, 0x00, M1064_XCURCTRL_DIS, + 0x00, 0x00, 0x00, /* black */ + 0xFF, 0xFF, 0xFF, /* white */ + 0xFF, 0x00, 0x00, /* red */ + 0x00, 0, + M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_PLL, + M1064_XGENCTRL_VS_0 | M1064_XGENCTRL_ALPHA_DIS | M1064_XGENCTRL_BLACK_0IRE | M1064_XGENCTRL_NO_SYNC_ON_GREEN, + M1064_XMISCCTRL_DAC_8BIT, + 0x00, 0x00, M1064_XZOOMCTRL_1, M1064_XSENSETEST_BCOMP | M1064_XSENSETEST_GCOMP | M1064_XSENSETEST_RCOMP | M1064_XSENSETEST_PDOWN, + 0x00, + 0x00, 0x00, 0xFF, 0xFF}; + +static void DAC1064_setpclk(struct matrox_fb_info *minfo, unsigned long fout) +{ + unsigned int m, n, p; + + DBG(__func__) + + DAC1064_calcclock(minfo, fout, minfo->max_pixel_clock, &m, &n, &p); + minfo->hw.DACclk[0] = m; + minfo->hw.DACclk[1] = n; + minfo->hw.DACclk[2] = p; +} + +static void DAC1064_setmclk(struct matrox_fb_info *minfo, int oscinfo, + unsigned long fmem) +{ + u_int32_t mx; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + if (minfo->devflags.noinit) { + /* read MCLK and give up... */ + hw->DACclk[3] = inDAC1064(minfo, DAC1064_XSYSPLLM); + hw->DACclk[4] = inDAC1064(minfo, DAC1064_XSYSPLLN); + hw->DACclk[5] = inDAC1064(minfo, DAC1064_XSYSPLLP); + return; + } + mx = hw->MXoptionReg | 0x00000004; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx); + mx &= ~0x000000BB; + if (oscinfo & DAC1064_OPT_GDIV1) + mx |= 0x00000008; + if (oscinfo & DAC1064_OPT_MDIV1) + mx |= 0x00000010; + if (oscinfo & DAC1064_OPT_RESERVED) + mx |= 0x00000080; + if ((oscinfo & DAC1064_OPT_SCLK_MASK) == DAC1064_OPT_SCLK_PLL) { + /* select PCI clock until we have setup oscilator... */ + int clk; + unsigned int m, n, p; + + /* powerup system PLL, select PCI clock */ + mx |= 0x00000020; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx); + mx &= ~0x00000004; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx); + + /* !!! you must not access device if MCLK is not running !!! + Doing so cause immediate PCI lockup :-( Maybe they should + generate ABORT or I/O (parity...) error and Linux should + recover from this... (kill driver/process). But world is not + perfect... */ + /* (bit 2 of PCI_OPTION_REG must be 0... and bits 0,1 must not + select PLL... because of PLL can be stopped at this time) */ + DAC1064_calcclock(minfo, fmem, minfo->max_pixel_clock, &m, &n, &p); + outDAC1064(minfo, DAC1064_XSYSPLLM, hw->DACclk[3] = m); + outDAC1064(minfo, DAC1064_XSYSPLLN, hw->DACclk[4] = n); + outDAC1064(minfo, DAC1064_XSYSPLLP, hw->DACclk[5] = p); + for (clk = 65536; clk; --clk) { + if (inDAC1064(minfo, DAC1064_XSYSPLLSTAT) & 0x40) + break; + } + if (!clk) + printk(KERN_ERR "matroxfb: aiee, SYSPLL not locked\n"); + /* select PLL */ + mx |= 0x00000005; + } else { + /* select specified system clock source */ + mx |= oscinfo & DAC1064_OPT_SCLK_MASK; + } + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx); + mx &= ~0x00000004; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mx); + hw->MXoptionReg = mx; +} + +#ifdef CONFIG_FB_MATROX_G +static void g450_set_plls(struct matrox_fb_info *minfo) +{ + u_int32_t c2_ctl; + unsigned int pxc; + struct matrox_hw_state *hw = &minfo->hw; + int pixelmnp; + int videomnp; + + c2_ctl = hw->crtc2.ctl & ~0x4007; /* Clear PLL + enable for CRTC2 */ + c2_ctl |= 0x0001; /* Enable CRTC2 */ + hw->DACreg[POS1064_XPWRCTRL] &= ~0x02; /* Stop VIDEO PLL */ + pixelmnp = minfo->crtc1.mnp; + videomnp = minfo->crtc2.mnp; + if (videomnp < 0) { + c2_ctl &= ~0x0001; /* Disable CRTC2 */ + hw->DACreg[POS1064_XPWRCTRL] &= ~0x10; /* Powerdown CRTC2 */ + } else if (minfo->crtc2.pixclock == minfo->features.pll.ref_freq) { + c2_ctl |= 0x4002; /* Use reference directly */ + } else if (videomnp == pixelmnp) { + c2_ctl |= 0x0004; /* Use pixel PLL */ + } else { + if (0 == ((videomnp ^ pixelmnp) & 0xFFFFFF00)) { + /* PIXEL and VIDEO PLL must not use same frequency. We modify N + of PIXEL PLL in such case because of VIDEO PLL may be source + of TVO clocks, and chroma subcarrier is derived from its + pixel clocks */ + pixelmnp += 0x000100; + } + c2_ctl |= 0x0006; /* Use video PLL */ + hw->DACreg[POS1064_XPWRCTRL] |= 0x02; + + outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]); + matroxfb_g450_setpll_cond(minfo, videomnp, M_VIDEO_PLL); + } + + hw->DACreg[POS1064_XPIXCLKCTRL] &= ~M1064_XPIXCLKCTRL_PLL_UP; + if (pixelmnp >= 0) { + hw->DACreg[POS1064_XPIXCLKCTRL] |= M1064_XPIXCLKCTRL_PLL_UP; + + outDAC1064(minfo, M1064_XPIXCLKCTRL, hw->DACreg[POS1064_XPIXCLKCTRL]); + matroxfb_g450_setpll_cond(minfo, pixelmnp, M_PIXEL_PLL_C); + } + if (c2_ctl != hw->crtc2.ctl) { + hw->crtc2.ctl = c2_ctl; + mga_outl(0x3C10, c2_ctl); + } + + pxc = minfo->crtc1.pixclock; + if (pxc == 0 || minfo->outputs[2].src == MATROXFB_SRC_CRTC2) { + pxc = minfo->crtc2.pixclock; + } + if (minfo->chip == MGA_G550) { + if (pxc < 45000) { + hw->DACreg[POS1064_XPANMODE] = 0x00; /* 0-50 */ + } else if (pxc < 55000) { + hw->DACreg[POS1064_XPANMODE] = 0x08; /* 34-62 */ + } else if (pxc < 70000) { + hw->DACreg[POS1064_XPANMODE] = 0x10; /* 42-78 */ + } else if (pxc < 85000) { + hw->DACreg[POS1064_XPANMODE] = 0x18; /* 62-92 */ + } else if (pxc < 100000) { + hw->DACreg[POS1064_XPANMODE] = 0x20; /* 74-108 */ + } else if (pxc < 115000) { + hw->DACreg[POS1064_XPANMODE] = 0x28; /* 94-122 */ + } else if (pxc < 125000) { + hw->DACreg[POS1064_XPANMODE] = 0x30; /* 108-132 */ + } else { + hw->DACreg[POS1064_XPANMODE] = 0x38; /* 120-168 */ + } + } else { + /* G450 */ + if (pxc < 45000) { + hw->DACreg[POS1064_XPANMODE] = 0x00; /* 0-54 */ + } else if (pxc < 65000) { + hw->DACreg[POS1064_XPANMODE] = 0x08; /* 38-70 */ + } else if (pxc < 85000) { + hw->DACreg[POS1064_XPANMODE] = 0x10; /* 56-96 */ + } else if (pxc < 105000) { + hw->DACreg[POS1064_XPANMODE] = 0x18; /* 80-114 */ + } else if (pxc < 135000) { + hw->DACreg[POS1064_XPANMODE] = 0x20; /* 102-144 */ + } else if (pxc < 160000) { + hw->DACreg[POS1064_XPANMODE] = 0x28; /* 132-166 */ + } else if (pxc < 175000) { + hw->DACreg[POS1064_XPANMODE] = 0x30; /* 154-182 */ + } else { + hw->DACreg[POS1064_XPANMODE] = 0x38; /* 170-204 */ + } + } +} +#endif + +void DAC1064_global_init(struct matrox_fb_info *minfo) +{ + struct matrox_hw_state *hw = &minfo->hw; + + hw->DACreg[POS1064_XMISCCTRL] &= M1064_XMISCCTRL_DAC_WIDTHMASK; + hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_LUT_EN; + hw->DACreg[POS1064_XPIXCLKCTRL] = M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_PLL; +#ifdef CONFIG_FB_MATROX_G + if (minfo->devflags.g450dac) { + hw->DACreg[POS1064_XPWRCTRL] = 0x1F; /* powerup everything */ + hw->DACreg[POS1064_XOUTPUTCONN] = 0x00; /* disable outputs */ + hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_DAC_EN; + switch (minfo->outputs[0].src) { + case MATROXFB_SRC_CRTC1: + case MATROXFB_SRC_CRTC2: + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x01; /* enable output; CRTC1/2 selection is in CRTC2 ctl */ + break; + case MATROXFB_SRC_NONE: + hw->DACreg[POS1064_XMISCCTRL] &= ~M1064_XMISCCTRL_DAC_EN; + break; + } + switch (minfo->outputs[1].src) { + case MATROXFB_SRC_CRTC1: + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x04; + break; + case MATROXFB_SRC_CRTC2: + if (minfo->outputs[1].mode == MATROXFB_OUTPUT_MODE_MONITOR) { + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x08; + } else { + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x0C; + } + break; + case MATROXFB_SRC_NONE: + hw->DACreg[POS1064_XPWRCTRL] &= ~0x01; /* Poweroff DAC2 */ + break; + } + switch (minfo->outputs[2].src) { + case MATROXFB_SRC_CRTC1: + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x20; + break; + case MATROXFB_SRC_CRTC2: + hw->DACreg[POS1064_XOUTPUTCONN] |= 0x40; + break; + case MATROXFB_SRC_NONE: +#if 0 + /* HELP! If we boot without DFP connected to DVI, we can + poweroff TMDS. But if we boot with DFP connected, + TMDS generated clocks are used instead of ALL pixclocks + available... If someone knows which register + handles it, please reveal this secret to me... */ + hw->DACreg[POS1064_XPWRCTRL] &= ~0x04; /* Poweroff TMDS */ +#endif + break; + } + /* Now set timming related variables... */ + g450_set_plls(minfo); + } else +#endif + { + if (minfo->outputs[1].src == MATROXFB_SRC_CRTC1) { + hw->DACreg[POS1064_XPIXCLKCTRL] = M1064_XPIXCLKCTRL_PLL_UP | M1064_XPIXCLKCTRL_EN | M1064_XPIXCLKCTRL_SRC_EXT; + hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_MAFC | G400_XMISCCTRL_VDO_MAFC12; + } else if (minfo->outputs[1].src == MATROXFB_SRC_CRTC2) { + hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_MAFC | G400_XMISCCTRL_VDO_C2_MAFC12; + } else if (minfo->outputs[2].src == MATROXFB_SRC_CRTC1) + hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_PANELLINK | G400_XMISCCTRL_VDO_MAFC12; + else + hw->DACreg[POS1064_XMISCCTRL] |= GX00_XMISCCTRL_MFC_DIS; + + if (minfo->outputs[0].src != MATROXFB_SRC_NONE) + hw->DACreg[POS1064_XMISCCTRL] |= M1064_XMISCCTRL_DAC_EN; + } +} + +void DAC1064_global_restore(struct matrox_fb_info *minfo) +{ + struct matrox_hw_state *hw = &minfo->hw; + + outDAC1064(minfo, M1064_XPIXCLKCTRL, hw->DACreg[POS1064_XPIXCLKCTRL]); + outDAC1064(minfo, M1064_XMISCCTRL, hw->DACreg[POS1064_XMISCCTRL]); + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) { + outDAC1064(minfo, 0x20, 0x04); + outDAC1064(minfo, 0x1F, minfo->devflags.dfp_type); + if (minfo->devflags.g450dac) { + outDAC1064(minfo, M1064_XSYNCCTRL, 0xCC); + outDAC1064(minfo, M1064_XPWRCTRL, hw->DACreg[POS1064_XPWRCTRL]); + outDAC1064(minfo, M1064_XPANMODE, hw->DACreg[POS1064_XPANMODE]); + outDAC1064(minfo, M1064_XOUTPUTCONN, hw->DACreg[POS1064_XOUTPUTCONN]); + } + } +} + +static int DAC1064_init_1(struct matrox_fb_info *minfo, struct my_timming *m) +{ + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + memcpy(hw->DACreg, MGA1064_DAC, sizeof(MGA1064_DAC_regs)); + switch (minfo->fbcon.var.bits_per_pixel) { + /* case 4: not supported by MGA1064 DAC */ + case 8: + hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_8BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED; + break; + case 16: + if (minfo->fbcon.var.green.length == 5) + hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_15BPP_1BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED; + else + hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_16BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED; + break; + case 24: + hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_24BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED; + break; + case 32: + hw->DACreg[POS1064_XMULCTRL] = M1064_XMULCTRL_DEPTH_32BPP | M1064_XMULCTRL_GRAPHICS_PALETIZED; + break; + default: + return 1; /* unsupported depth */ + } + hw->DACreg[POS1064_XVREFCTRL] = minfo->features.DAC1064.xvrefctrl; + hw->DACreg[POS1064_XGENCTRL] &= ~M1064_XGENCTRL_SYNC_ON_GREEN_MASK; + hw->DACreg[POS1064_XGENCTRL] |= (m->sync & FB_SYNC_ON_GREEN)?M1064_XGENCTRL_SYNC_ON_GREEN:M1064_XGENCTRL_NO_SYNC_ON_GREEN; + hw->DACreg[POS1064_XCURADDL] = 0; + hw->DACreg[POS1064_XCURADDH] = 0; + + DAC1064_global_init(minfo); + return 0; +} + +static int DAC1064_init_2(struct matrox_fb_info *minfo, struct my_timming *m) +{ + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + if (minfo->fbcon.var.bits_per_pixel > 16) { /* 256 entries */ + int i; + + for (i = 0; i < 256; i++) { + hw->DACpal[i * 3 + 0] = i; + hw->DACpal[i * 3 + 1] = i; + hw->DACpal[i * 3 + 2] = i; + } + } else if (minfo->fbcon.var.bits_per_pixel > 8) { + if (minfo->fbcon.var.green.length == 5) { /* 0..31, 128..159 */ + int i; + + for (i = 0; i < 32; i++) { + /* with p15 == 0 */ + hw->DACpal[i * 3 + 0] = i << 3; + hw->DACpal[i * 3 + 1] = i << 3; + hw->DACpal[i * 3 + 2] = i << 3; + /* with p15 == 1 */ + hw->DACpal[(i + 128) * 3 + 0] = i << 3; + hw->DACpal[(i + 128) * 3 + 1] = i << 3; + hw->DACpal[(i + 128) * 3 + 2] = i << 3; + } + } else { + int i; + + for (i = 0; i < 64; i++) { /* 0..63 */ + hw->DACpal[i * 3 + 0] = i << 3; + hw->DACpal[i * 3 + 1] = i << 2; + hw->DACpal[i * 3 + 2] = i << 3; + } + } + } else { + memset(hw->DACpal, 0, 768); + } + return 0; +} + +static void DAC1064_restore_1(struct matrox_fb_info *minfo) +{ + struct matrox_hw_state *hw = &minfo->hw; + + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + if ((inDAC1064(minfo, DAC1064_XSYSPLLM) != hw->DACclk[3]) || + (inDAC1064(minfo, DAC1064_XSYSPLLN) != hw->DACclk[4]) || + (inDAC1064(minfo, DAC1064_XSYSPLLP) != hw->DACclk[5])) { + outDAC1064(minfo, DAC1064_XSYSPLLM, hw->DACclk[3]); + outDAC1064(minfo, DAC1064_XSYSPLLN, hw->DACclk[4]); + outDAC1064(minfo, DAC1064_XSYSPLLP, hw->DACclk[5]); + } + { + unsigned int i; + + for (i = 0; i < sizeof(MGA1064_DAC_regs); i++) { + if ((i != POS1064_XPIXCLKCTRL) && (i != POS1064_XMISCCTRL)) + outDAC1064(minfo, MGA1064_DAC_regs[i], hw->DACreg[i]); + } + } + + DAC1064_global_restore(minfo); + + CRITEND +}; + +static void DAC1064_restore_2(struct matrox_fb_info *minfo) +{ +#ifdef DEBUG + unsigned int i; +#endif + + DBG(__func__) + +#ifdef DEBUG + dprintk(KERN_DEBUG "DAC1064regs "); + for (i = 0; i < sizeof(MGA1064_DAC_regs); i++) { + dprintk("R%02X=%02X ", MGA1064_DAC_regs[i], minfo->hw.DACreg[i]); + if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... "); + } + dprintk(KERN_DEBUG "DAC1064clk "); + for (i = 0; i < 6; i++) + dprintk("C%02X=%02X ", i, minfo->hw.DACclk[i]); + dprintk("\n"); +#endif +} + +static int m1064_compute(void* out, struct my_timming* m) { +#define minfo ((struct matrox_fb_info*)out) + { + int i; + int tmout; + CRITFLAGS + + DAC1064_setpclk(minfo, m->pixclock); + + CRITBEGIN + + for (i = 0; i < 3; i++) + outDAC1064(minfo, M1064_XPIXPLLCM + i, minfo->hw.DACclk[i]); + for (tmout = 500000; tmout; tmout--) { + if (inDAC1064(minfo, M1064_XPIXPLLSTAT) & 0x40) + break; + udelay(10); + } + + CRITEND + + if (!tmout) + printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n"); + } +#undef minfo + return 0; +} + +static struct matrox_altout m1064 = { + .name = "Primary output", + .compute = m1064_compute, +}; + +#ifdef CONFIG_FB_MATROX_G +static int g450_compute(void* out, struct my_timming* m) { +#define minfo ((struct matrox_fb_info*)out) + if (m->mnp < 0) { + m->mnp = matroxfb_g450_setclk(minfo, m->pixclock, (m->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL); + if (m->mnp >= 0) { + m->pixclock = g450_mnp2f(minfo, m->mnp); + } + } +#undef minfo + return 0; +} + +static struct matrox_altout g450out = { + .name = "Primary output", + .compute = g450_compute, +}; +#endif + +#endif /* NEED_DAC1064 */ + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +static int MGA1064_init(struct matrox_fb_info *minfo, struct my_timming *m) +{ + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + if (DAC1064_init_1(minfo, m)) return 1; + if (matroxfb_vgaHWinit(minfo, m)) return 1; + + hw->MiscOutReg = 0xCB; + if (m->sync & FB_SYNC_HOR_HIGH_ACT) + hw->MiscOutReg &= ~0x40; + if (m->sync & FB_SYNC_VERT_HIGH_ACT) + hw->MiscOutReg &= ~0x80; + if (m->sync & FB_SYNC_COMP_HIGH_ACT) /* should be only FB_SYNC_COMP */ + hw->CRTCEXT[3] |= 0x40; + + if (DAC1064_init_2(minfo, m)) return 1; + return 0; +} +#endif + +#ifdef CONFIG_FB_MATROX_G +static int MGAG100_init(struct matrox_fb_info *minfo, struct my_timming *m) +{ + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + if (DAC1064_init_1(minfo, m)) return 1; + hw->MXoptionReg &= ~0x2000; + if (matroxfb_vgaHWinit(minfo, m)) return 1; + + hw->MiscOutReg = 0xEF; + if (m->sync & FB_SYNC_HOR_HIGH_ACT) + hw->MiscOutReg &= ~0x40; + if (m->sync & FB_SYNC_VERT_HIGH_ACT) + hw->MiscOutReg &= ~0x80; + if (m->sync & FB_SYNC_COMP_HIGH_ACT) /* should be only FB_SYNC_COMP */ + hw->CRTCEXT[3] |= 0x40; + + if (DAC1064_init_2(minfo, m)) return 1; + return 0; +} +#endif /* G */ + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +static void MGA1064_ramdac_init(struct matrox_fb_info *minfo) +{ + + DBG(__func__) + + /* minfo->features.DAC1064.vco_freq_min = 120000; */ + minfo->features.pll.vco_freq_min = 62000; + minfo->features.pll.ref_freq = 14318; + minfo->features.pll.feed_div_min = 100; + minfo->features.pll.feed_div_max = 127; + minfo->features.pll.in_div_min = 1; + minfo->features.pll.in_div_max = 31; + minfo->features.pll.post_shift_max = 3; + minfo->features.DAC1064.xvrefctrl = DAC1064_XVREFCTRL_EXTERNAL; + /* maybe cmdline MCLK= ?, doc says gclk=44MHz, mclk=66MHz... it was 55/83 with old values */ + DAC1064_setmclk(minfo, DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV3 | DAC1064_OPT_SCLK_PLL, 133333); +} +#endif + +#ifdef CONFIG_FB_MATROX_G +/* BIOS environ */ +static int x7AF4 = 0x10; /* flags, maybe 0x10 = SDRAM, 0x00 = SGRAM??? */ + /* G100 wants 0x10, G200 SGRAM does not care... */ +#if 0 +static int def50 = 0; /* reg50, & 0x0F, & 0x3000 (only 0x0000, 0x1000, 0x2000 (0x3000 disallowed and treated as 0) */ +#endif + +static void MGAG100_progPixClock(const struct matrox_fb_info *minfo, int flags, + int m, int n, int p) +{ + int reg; + int selClk; + int clk; + + DBG(__func__) + + outDAC1064(minfo, M1064_XPIXCLKCTRL, inDAC1064(minfo, M1064_XPIXCLKCTRL) | M1064_XPIXCLKCTRL_DIS | + M1064_XPIXCLKCTRL_PLL_UP); + switch (flags & 3) { + case 0: reg = M1064_XPIXPLLAM; break; + case 1: reg = M1064_XPIXPLLBM; break; + default: reg = M1064_XPIXPLLCM; break; + } + outDAC1064(minfo, reg++, m); + outDAC1064(minfo, reg++, n); + outDAC1064(minfo, reg, p); + selClk = mga_inb(M_MISC_REG_READ) & ~0xC; + /* there should be flags & 0x03 & case 0/1/else */ + /* and we should first select source and after that we should wait for PLL */ + /* and we are waiting for PLL with oscilator disabled... Is it right? */ + switch (flags & 0x03) { + case 0x00: break; + case 0x01: selClk |= 4; break; + default: selClk |= 0x0C; break; + } + mga_outb(M_MISC_REG, selClk); + for (clk = 500000; clk; clk--) { + if (inDAC1064(minfo, M1064_XPIXPLLSTAT) & 0x40) + break; + udelay(10); + } + if (!clk) + printk(KERN_ERR "matroxfb: Pixel PLL%c not locked after usual time\n", (reg-M1064_XPIXPLLAM-2)/4 + 'A'); + selClk = inDAC1064(minfo, M1064_XPIXCLKCTRL) & ~M1064_XPIXCLKCTRL_SRC_MASK; + switch (flags & 0x0C) { + case 0x00: selClk |= M1064_XPIXCLKCTRL_SRC_PCI; break; + case 0x04: selClk |= M1064_XPIXCLKCTRL_SRC_PLL; break; + default: selClk |= M1064_XPIXCLKCTRL_SRC_EXT; break; + } + outDAC1064(minfo, M1064_XPIXCLKCTRL, selClk); + outDAC1064(minfo, M1064_XPIXCLKCTRL, inDAC1064(minfo, M1064_XPIXCLKCTRL) & ~M1064_XPIXCLKCTRL_DIS); +} + +static void MGAG100_setPixClock(const struct matrox_fb_info *minfo, int flags, + int freq) +{ + unsigned int m, n, p; + + DBG(__func__) + + DAC1064_calcclock(minfo, freq, minfo->max_pixel_clock, &m, &n, &p); + MGAG100_progPixClock(minfo, flags, m, n, p); +} +#endif + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +static int MGA1064_preinit(struct matrox_fb_info *minfo) +{ + static const int vxres_mystique[] = { 512, 640, 768, 800, 832, 960, + 1024, 1152, 1280, 1600, 1664, 1920, + 2048, 0}; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + /* minfo->capable.cfb4 = 0; ... preinitialized by 0 */ + minfo->capable.text = 1; + minfo->capable.vxres = vxres_mystique; + + minfo->outputs[0].output = &m1064; + minfo->outputs[0].src = minfo->outputs[0].default_src; + minfo->outputs[0].data = minfo; + minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR; + + if (minfo->devflags.noinit) + return 0; /* do not modify settings */ + hw->MXoptionReg &= 0xC0000100; + hw->MXoptionReg |= 0x00094E20; + if (minfo->devflags.novga) + hw->MXoptionReg &= ~0x00000100; + if (minfo->devflags.nobios) + hw->MXoptionReg &= ~0x40000000; + if (minfo->devflags.nopciretry) + hw->MXoptionReg |= 0x20000000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + mga_setr(M_SEQ_INDEX, 0x01, 0x20); + mga_outl(M_CTLWTST, 0x00000000); + udelay(200); + mga_outl(M_MACCESS, 0x00008000); + udelay(100); + mga_outl(M_MACCESS, 0x0000C000); + return 0; +} + +static void MGA1064_reset(struct matrox_fb_info *minfo) +{ + + DBG(__func__); + + MGA1064_ramdac_init(minfo); +} +#endif + +#ifdef CONFIG_FB_MATROX_G +static void g450_mclk_init(struct matrox_fb_info *minfo) +{ + /* switch all clocks to PCI source */ + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg | 4); + pci_write_config_dword(minfo->pcidev, PCI_OPTION3_REG, minfo->values.reg.opt3 & ~0x00300C03); + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + + if (((minfo->values.reg.opt3 & 0x000003) == 0x000003) || + ((minfo->values.reg.opt3 & 0x000C00) == 0x000C00) || + ((minfo->values.reg.opt3 & 0x300000) == 0x300000)) { + matroxfb_g450_setclk(minfo, minfo->values.pll.video, M_VIDEO_PLL); + } else { + unsigned long flags; + unsigned int pwr; + + matroxfb_DAC_lock_irqsave(flags); + pwr = inDAC1064(minfo, M1064_XPWRCTRL) & ~0x02; + outDAC1064(minfo, M1064_XPWRCTRL, pwr); + matroxfb_DAC_unlock_irqrestore(flags); + } + matroxfb_g450_setclk(minfo, minfo->values.pll.system, M_SYSTEM_PLL); + + /* switch clocks to their real PLL source(s) */ + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg | 4); + pci_write_config_dword(minfo->pcidev, PCI_OPTION3_REG, minfo->values.reg.opt3); + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + +} + +static void g450_memory_init(struct matrox_fb_info *minfo) +{ + /* disable memory refresh */ + minfo->hw.MXoptionReg &= ~0x001F8000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + + /* set memory interface parameters */ + minfo->hw.MXoptionReg &= ~0x00207E00; + minfo->hw.MXoptionReg |= 0x00207E00 & minfo->values.reg.opt; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, minfo->values.reg.opt2); + + mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst); + + /* first set up memory interface with disabled memory interface clocks */ + pci_write_config_dword(minfo->pcidev, PCI_MEMMISC_REG, minfo->values.reg.memmisc & ~0x80000000U); + mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk); + mga_outl(M_MACCESS, minfo->values.reg.maccess); + /* start memory clocks */ + pci_write_config_dword(minfo->pcidev, PCI_MEMMISC_REG, minfo->values.reg.memmisc | 0x80000000U); + + udelay(200); + + if (minfo->values.memory.ddr && (!minfo->values.memory.emrswen || !minfo->values.memory.dll)) { + mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk & ~0x1000); + } + mga_outl(M_MACCESS, minfo->values.reg.maccess | 0x8000); + + udelay(200); + + minfo->hw.MXoptionReg |= 0x001F8000 & minfo->values.reg.opt; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + + /* value is written to memory chips only if old != new */ + mga_outl(M_PLNWT, 0); + mga_outl(M_PLNWT, ~0); + + if (minfo->values.reg.mctlwtst != minfo->values.reg.mctlwtst_core) { + mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst_core); + } + +} + +static void g450_preinit(struct matrox_fb_info *minfo) +{ + u_int32_t c2ctl; + u_int8_t curctl; + u_int8_t c1ctl; + + /* minfo->hw.MXoptionReg = minfo->values.reg.opt; */ + minfo->hw.MXoptionReg &= 0xC0000100; + minfo->hw.MXoptionReg |= 0x00000020; + if (minfo->devflags.novga) + minfo->hw.MXoptionReg &= ~0x00000100; + if (minfo->devflags.nobios) + minfo->hw.MXoptionReg &= ~0x40000000; + if (minfo->devflags.nopciretry) + minfo->hw.MXoptionReg |= 0x20000000; + minfo->hw.MXoptionReg |= minfo->values.reg.opt & 0x03400040; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + + /* Init system clocks */ + + /* stop crtc2 */ + c2ctl = mga_inl(M_C2CTL); + mga_outl(M_C2CTL, c2ctl & ~1); + /* stop cursor */ + curctl = inDAC1064(minfo, M1064_XCURCTRL); + outDAC1064(minfo, M1064_XCURCTRL, 0); + /* stop crtc1 */ + c1ctl = mga_readr(M_SEQ_INDEX, 1); + mga_setr(M_SEQ_INDEX, 1, c1ctl | 0x20); + + g450_mclk_init(minfo); + g450_memory_init(minfo); + + /* set legacy VGA clock sources for DOSEmu or VMware... */ + matroxfb_g450_setclk(minfo, 25175, M_PIXEL_PLL_A); + matroxfb_g450_setclk(minfo, 28322, M_PIXEL_PLL_B); + + /* restore crtc1 */ + mga_setr(M_SEQ_INDEX, 1, c1ctl); + + /* restore cursor */ + outDAC1064(minfo, M1064_XCURCTRL, curctl); + + /* restore crtc2 */ + mga_outl(M_C2CTL, c2ctl); + + return; +} + +static int MGAG100_preinit(struct matrox_fb_info *minfo) +{ + static const int vxres_g100[] = { 512, 640, 768, 800, 832, 960, + 1024, 1152, 1280, 1600, 1664, 1920, + 2048, 0}; + struct matrox_hw_state *hw = &minfo->hw; + + u_int32_t reg50; +#if 0 + u_int32_t q; +#endif + + DBG(__func__) + + /* there are some instabilities if in_div > 19 && vco < 61000 */ + if (minfo->devflags.g450dac) { + minfo->features.pll.vco_freq_min = 130000; /* my sample: >118 */ + } else { + minfo->features.pll.vco_freq_min = 62000; + } + if (!minfo->features.pll.ref_freq) { + minfo->features.pll.ref_freq = 27000; + } + minfo->features.pll.feed_div_min = 7; + minfo->features.pll.feed_div_max = 127; + minfo->features.pll.in_div_min = 1; + minfo->features.pll.in_div_max = 31; + minfo->features.pll.post_shift_max = 3; + minfo->features.DAC1064.xvrefctrl = DAC1064_XVREFCTRL_G100_DEFAULT; + /* minfo->capable.cfb4 = 0; ... preinitialized by 0 */ + minfo->capable.text = 1; + minfo->capable.vxres = vxres_g100; + minfo->capable.plnwt = minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG100 + ? minfo->devflags.sgram : 1; + + if (minfo->devflags.g450dac) { + minfo->outputs[0].output = &g450out; + } else { + minfo->outputs[0].output = &m1064; + } + minfo->outputs[0].src = minfo->outputs[0].default_src; + minfo->outputs[0].data = minfo; + minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR; + + if (minfo->devflags.g450dac) { + /* we must do this always, BIOS does not do it for us + and accelerator dies without it */ + mga_outl(0x1C0C, 0); + } + if (minfo->devflags.noinit) + return 0; + if (minfo->devflags.g450dac) { + g450_preinit(minfo); + return 0; + } + hw->MXoptionReg &= 0xC0000100; + hw->MXoptionReg |= 0x00000020; + if (minfo->devflags.novga) + hw->MXoptionReg &= ~0x00000100; + if (minfo->devflags.nobios) + hw->MXoptionReg &= ~0x40000000; + if (minfo->devflags.nopciretry) + hw->MXoptionReg |= 0x20000000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + DAC1064_setmclk(minfo, DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV3 | DAC1064_OPT_SCLK_PCI, 133333); + + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG100) { + pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, ®50); + reg50 &= ~0x3000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50); + + hw->MXoptionReg |= 0x1080; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst); + udelay(100); + mga_outb(0x1C05, 0x00); + mga_outb(0x1C05, 0x80); + udelay(100); + mga_outb(0x1C05, 0x40); + mga_outb(0x1C05, 0xC0); + udelay(100); + reg50 &= ~0xFF; + reg50 |= 0x07; + pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50); + /* it should help with G100 */ + mga_outb(M_GRAPHICS_INDEX, 6); + mga_outb(M_GRAPHICS_DATA, (mga_inb(M_GRAPHICS_DATA) & 3) | 4); + mga_setr(M_EXTVGA_INDEX, 0x03, 0x81); + mga_setr(M_EXTVGA_INDEX, 0x04, 0x00); + mga_writeb(minfo->video.vbase, 0x0000, 0xAA); + mga_writeb(minfo->video.vbase, 0x0800, 0x55); + mga_writeb(minfo->video.vbase, 0x4000, 0x55); +#if 0 + if (mga_readb(minfo->video.vbase, 0x0000) != 0xAA) { + hw->MXoptionReg &= ~0x1000; + } +#endif + hw->MXoptionReg |= 0x00078020; + } else if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG200) { + pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, ®50); + reg50 &= ~0x3000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50); + + if (minfo->devflags.memtype == -1) + hw->MXoptionReg |= minfo->values.reg.opt & 0x1C00; + else + hw->MXoptionReg |= (minfo->devflags.memtype & 7) << 10; + if (minfo->devflags.sgram) + hw->MXoptionReg |= 0x4000; + mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst); + mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk); + udelay(200); + mga_outl(M_MACCESS, 0x00000000); + mga_outl(M_MACCESS, 0x00008000); + udelay(100); + mga_outw(M_MEMRDBK, minfo->values.reg.memrdbk); + hw->MXoptionReg |= 0x00078020; + } else { + pci_read_config_dword(minfo->pcidev, PCI_OPTION2_REG, ®50); + reg50 &= ~0x00000100; + reg50 |= 0x00000000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION2_REG, reg50); + + if (minfo->devflags.memtype == -1) + hw->MXoptionReg |= minfo->values.reg.opt & 0x1C00; + else + hw->MXoptionReg |= (minfo->devflags.memtype & 7) << 10; + if (minfo->devflags.sgram) + hw->MXoptionReg |= 0x4000; + mga_outl(M_CTLWTST, minfo->values.reg.mctlwtst); + mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk); + udelay(200); + mga_outl(M_MACCESS, 0x00000000); + mga_outl(M_MACCESS, 0x00008000); + udelay(100); + mga_outl(M_MEMRDBK, minfo->values.reg.memrdbk); + hw->MXoptionReg |= 0x00040020; + } + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + return 0; +} + +static void MGAG100_reset(struct matrox_fb_info *minfo) +{ + u_int8_t b; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + { +#ifdef G100_BROKEN_IBM_82351 + u_int32_t d; + + find 1014/22 (IBM/82351); /* if found and bridging Matrox, do some strange stuff */ + pci_read_config_byte(ibm, PCI_SECONDARY_BUS, &b); + if (b == minfo->pcidev->bus->number) { + pci_write_config_byte(ibm, PCI_COMMAND+1, 0); /* disable back-to-back & SERR */ + pci_write_config_byte(ibm, 0x41, 0xF4); /* ??? */ + pci_write_config_byte(ibm, PCI_IO_BASE, 0xF0); /* ??? */ + pci_write_config_byte(ibm, PCI_IO_LIMIT, 0x00); /* ??? */ + } +#endif + if (!minfo->devflags.noinit) { + if (x7AF4 & 8) { + hw->MXoptionReg |= 0x40; /* FIXME... */ + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + } + mga_setr(M_EXTVGA_INDEX, 0x06, 0x00); + } + } + if (minfo->devflags.g450dac) { + /* either leave MCLK as is... or they were set in preinit */ + hw->DACclk[3] = inDAC1064(minfo, DAC1064_XSYSPLLM); + hw->DACclk[4] = inDAC1064(minfo, DAC1064_XSYSPLLN); + hw->DACclk[5] = inDAC1064(minfo, DAC1064_XSYSPLLP); + } else { + DAC1064_setmclk(minfo, DAC1064_OPT_RESERVED | DAC1064_OPT_MDIV2 | DAC1064_OPT_GDIV1 | DAC1064_OPT_SCLK_PLL, 133333); + } + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) { + if (minfo->devflags.dfp_type == -1) { + minfo->devflags.dfp_type = inDAC1064(minfo, 0x1F); + } + } + if (minfo->devflags.noinit) + return; + if (minfo->devflags.g450dac) { + } else { + MGAG100_setPixClock(minfo, 4, 25175); + MGAG100_setPixClock(minfo, 5, 28322); + if (x7AF4 & 0x10) { + b = inDAC1064(minfo, M1064_XGENIODATA) & ~1; + outDAC1064(minfo, M1064_XGENIODATA, b); + b = inDAC1064(minfo, M1064_XGENIOCTRL) | 1; + outDAC1064(minfo, M1064_XGENIOCTRL, b); + } + } +} +#endif + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +static void MGA1064_restore(struct matrox_fb_info *minfo) +{ + int i; + struct matrox_hw_state *hw = &minfo->hw; + + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + mga_outb(M_IEN, 0x00); + mga_outb(M_CACHEFLUSH, 0x00); + + CRITEND + + DAC1064_restore_1(minfo); + matroxfb_vgaHWrestore(minfo); + minfo->crtc1.panpos = -1; + for (i = 0; i < 6; i++) + mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]); + DAC1064_restore_2(minfo); +} +#endif + +#ifdef CONFIG_FB_MATROX_G +static void MGAG100_restore(struct matrox_fb_info *minfo) +{ + int i; + struct matrox_hw_state *hw = &minfo->hw; + + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + CRITEND + + DAC1064_restore_1(minfo); + matroxfb_vgaHWrestore(minfo); + if (minfo->devflags.support32MB) + mga_setr(M_EXTVGA_INDEX, 8, hw->CRTCEXT[8]); + minfo->crtc1.panpos = -1; + for (i = 0; i < 6; i++) + mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]); + DAC1064_restore_2(minfo); +} +#endif + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +struct matrox_switch matrox_mystique = { + .preinit = MGA1064_preinit, + .reset = MGA1064_reset, + .init = MGA1064_init, + .restore = MGA1064_restore, +}; +EXPORT_SYMBOL(matrox_mystique); +#endif + +#ifdef CONFIG_FB_MATROX_G +struct matrox_switch matrox_G100 = { + .preinit = MGAG100_preinit, + .reset = MGAG100_reset, + .init = MGAG100_init, + .restore = MGAG100_restore, +}; +EXPORT_SYMBOL(matrox_G100); +#endif + +#ifdef NEED_DAC1064 +EXPORT_SYMBOL(DAC1064_global_init); +EXPORT_SYMBOL(DAC1064_global_restore); +#endif +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_DAC1064.h b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h new file mode 100644 index 000000000..3b2a6fd35 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_DAC1064.h @@ -0,0 +1,180 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_DAC1064_H__ +#define __MATROXFB_DAC1064_H__ + + +#include "matroxfb_base.h" + +#ifdef CONFIG_FB_MATROX_MYSTIQUE +extern struct matrox_switch matrox_mystique; +#endif +#ifdef CONFIG_FB_MATROX_G +extern struct matrox_switch matrox_G100; +#endif +#ifdef NEED_DAC1064 +void DAC1064_global_init(struct matrox_fb_info *minfo); +void DAC1064_global_restore(struct matrox_fb_info *minfo); +#endif + +#define M1064_INDEX 0x00 +#define M1064_PALWRADD 0x00 +#define M1064_PALDATA 0x01 +#define M1064_PIXRDMSK 0x02 +#define M1064_PALRDADD 0x03 +#define M1064_X_DATAREG 0x0A +#define M1064_CURPOSXL 0x0C /* can be accessed as DWORD */ +#define M1064_CURPOSXH 0x0D +#define M1064_CURPOSYL 0x0E +#define M1064_CURPOSYH 0x0F + +#define M1064_XCURADDL 0x04 +#define M1064_XCURADDH 0x05 +#define M1064_XCURCTRL 0x06 +#define M1064_XCURCTRL_DIS 0x00 /* transparent, transparent, transparent, transparent */ +#define M1064_XCURCTRL_3COLOR 0x01 /* transparent, 0, 1, 2 */ +#define M1064_XCURCTRL_XGA 0x02 /* 0, 1, transparent, complement */ +#define M1064_XCURCTRL_XWIN 0x03 /* transparent, transparent, 0, 1 */ + /* drive DVI by standard(0)/DVI(1) PLL */ + /* if set(1), C?DVICLKEN and C?DVICLKSEL must be set(1) */ +#define M1064_XDVICLKCTRL_DVIDATAPATHSEL 0x01 + /* drive CRTC1 by standard(0)/DVI(1) PLL */ +#define M1064_XDVICLKCTRL_C1DVICLKSEL 0x02 + /* drive CRTC2 by standard(0)/DVI(1) PLL */ +#define M1064_XDVICLKCTRL_C2DVICLKSEL 0x04 + /* pixel clock allowed to(0)/blocked from(1) driving CRTC1 */ +#define M1064_XDVICLKCTRL_C1DVICLKEN 0x08 + /* DVI PLL loop filter bandwidth selection bits */ +#define M1064_XDVICLKCTRL_DVILOOPCTL 0x30 + /* CRTC2 pixel clock allowed to(0)/blocked from(1) driving CRTC2 */ +#define M1064_XDVICLKCTRL_C2DVICLKEN 0x40 + /* P1PLL loop filter bandwidth selection */ +#define M1064_XDVICLKCTRL_P1LOOPBWDTCTL 0x80 +#define M1064_XCURCOL0RED 0x08 +#define M1064_XCURCOL0GREEN 0x09 +#define M1064_XCURCOL0BLUE 0x0A +#define M1064_XCURCOL1RED 0x0C +#define M1064_XCURCOL1GREEN 0x0D +#define M1064_XCURCOL1BLUE 0x0E +#define M1064_XDVICLKCTRL 0x0F +#define M1064_XCURCOL2RED 0x10 +#define M1064_XCURCOL2GREEN 0x11 +#define M1064_XCURCOL2BLUE 0x12 +#define DAC1064_XVREFCTRL 0x18 +#define DAC1064_XVREFCTRL_INTERNAL 0x3F +#define DAC1064_XVREFCTRL_EXTERNAL 0x00 +#define DAC1064_XVREFCTRL_G100_DEFAULT 0x03 +#define M1064_XMULCTRL 0x19 +#define M1064_XMULCTRL_DEPTH_8BPP 0x00 /* 8 bpp paletized */ +#define M1064_XMULCTRL_DEPTH_15BPP_1BPP 0x01 /* 15 bpp paletized + 1 bpp overlay */ +#define M1064_XMULCTRL_DEPTH_16BPP 0x02 /* 16 bpp paletized */ +#define M1064_XMULCTRL_DEPTH_24BPP 0x03 /* 24 bpp paletized */ +#define M1064_XMULCTRL_DEPTH_24BPP_8BPP 0x04 /* 24 bpp direct + 8 bpp overlay paletized */ +#define M1064_XMULCTRL_2G8V16 0x05 /* 15 bpp video direct, half xres, 8bpp paletized */ +#define M1064_XMULCTRL_G16V16 0x06 /* 15 bpp video, 15bpp graphics, one of them paletized */ +#define M1064_XMULCTRL_DEPTH_32BPP 0x07 /* 24 bpp paletized + 8 bpp unused */ +#define M1064_XMULCTRL_GRAPHICS_PALETIZED 0x00 +#define M1064_XMULCTRL_VIDEO_PALETIZED 0x08 +#define M1064_XPIXCLKCTRL 0x1A +#define M1064_XPIXCLKCTRL_SRC_PCI 0x00 +#define M1064_XPIXCLKCTRL_SRC_PLL 0x01 +#define M1064_XPIXCLKCTRL_SRC_EXT 0x02 +#define M1064_XPIXCLKCTRL_SRC_SYS 0x03 /* G200/G400 */ +#define M1064_XPIXCLKCTRL_SRC_PLL2 0x03 /* G450 */ +#define M1064_XPIXCLKCTRL_SRC_MASK 0x03 +#define M1064_XPIXCLKCTRL_EN 0x00 +#define M1064_XPIXCLKCTRL_DIS 0x04 +#define M1064_XPIXCLKCTRL_PLL_DOWN 0x00 +#define M1064_XPIXCLKCTRL_PLL_UP 0x08 +#define M1064_XGENCTRL 0x1D +#define M1064_XGENCTRL_VS_0 0x00 +#define M1064_XGENCTRL_VS_1 0x01 +#define M1064_XGENCTRL_ALPHA_DIS 0x00 +#define M1064_XGENCTRL_ALPHA_EN 0x02 +#define M1064_XGENCTRL_BLACK_0IRE 0x00 +#define M1064_XGENCTRL_BLACK_75IRE 0x10 +#define M1064_XGENCTRL_SYNC_ON_GREEN 0x00 +#define M1064_XGENCTRL_NO_SYNC_ON_GREEN 0x20 +#define M1064_XGENCTRL_SYNC_ON_GREEN_MASK 0x20 +#define M1064_XMISCCTRL 0x1E +#define M1064_XMISCCTRL_DAC_DIS 0x00 +#define M1064_XMISCCTRL_DAC_EN 0x01 +#define M1064_XMISCCTRL_MFC_VGA 0x00 +#define M1064_XMISCCTRL_MFC_MAFC 0x02 +#define M1064_XMISCCTRL_MFC_DIS 0x06 +#define GX00_XMISCCTRL_MFC_MAFC 0x02 +#define GX00_XMISCCTRL_MFC_PANELLINK 0x04 +#define GX00_XMISCCTRL_MFC_DIS 0x06 +#define GX00_XMISCCTRL_MFC_MASK 0x06 +#define M1064_XMISCCTRL_DAC_6BIT 0x00 +#define M1064_XMISCCTRL_DAC_8BIT 0x08 +#define M1064_XMISCCTRL_DAC_WIDTHMASK 0x08 +#define M1064_XMISCCTRL_LUT_DIS 0x00 +#define M1064_XMISCCTRL_LUT_EN 0x10 +#define G400_XMISCCTRL_VDO_MAFC12 0x00 +#define G400_XMISCCTRL_VDO_BYPASS656 0x40 +#define G400_XMISCCTRL_VDO_C2_MAFC12 0x80 +#define G400_XMISCCTRL_VDO_C2_BYPASS656 0xC0 +#define G400_XMISCCTRL_VDO_MASK 0xE0 +#define M1064_XGENIOCTRL 0x2A +#define M1064_XGENIODATA 0x2B +#define DAC1064_XSYSPLLM 0x2C +#define DAC1064_XSYSPLLN 0x2D +#define DAC1064_XSYSPLLP 0x2E +#define DAC1064_XSYSPLLSTAT 0x2F +#define M1064_XZOOMCTRL 0x38 +#define M1064_XZOOMCTRL_1 0x00 +#define M1064_XZOOMCTRL_2 0x01 +#define M1064_XZOOMCTRL_4 0x03 +#define M1064_XSENSETEST 0x3A +#define M1064_XSENSETEST_BCOMP 0x01 +#define M1064_XSENSETEST_GCOMP 0x02 +#define M1064_XSENSETEST_RCOMP 0x04 +#define M1064_XSENSETEST_PDOWN 0x00 +#define M1064_XSENSETEST_PUP 0x80 +#define M1064_XCRCREML 0x3C +#define M1064_XCRCREMH 0x3D +#define M1064_XCRCBITSEL 0x3E +#define M1064_XCOLKEYMASKL 0x40 +#define M1064_XCOLKEYMASKH 0x41 +#define M1064_XCOLKEYL 0x42 +#define M1064_XCOLKEYH 0x43 +#define M1064_XPIXPLLAM 0x44 +#define M1064_XPIXPLLAN 0x45 +#define M1064_XPIXPLLAP 0x46 +#define M1064_XPIXPLLBM 0x48 +#define M1064_XPIXPLLBN 0x49 +#define M1064_XPIXPLLBP 0x4A +#define M1064_XPIXPLLCM 0x4C +#define M1064_XPIXPLLCN 0x4D +#define M1064_XPIXPLLCP 0x4E +#define M1064_XPIXPLLSTAT 0x4F + +#define M1064_XTVO_IDX 0x87 +#define M1064_XTVO_DATA 0x88 + +#define M1064_XOUTPUTCONN 0x8A +#define M1064_XSYNCCTRL 0x8B +#define M1064_XVIDPLLSTAT 0x8C +#define M1064_XVIDPLLP 0x8D +#define M1064_XVIDPLLM 0x8E +#define M1064_XVIDPLLN 0x8F + +#define M1064_XPWRCTRL 0xA0 +#define M1064_XPWRCTRL_PANELPDN 0x04 + +#define M1064_XPANMODE 0xA2 + +enum POS1064 { + POS1064_XCURADDL=0, POS1064_XCURADDH, POS1064_XCURCTRL, + POS1064_XCURCOL0RED, POS1064_XCURCOL0GREEN, POS1064_XCURCOL0BLUE, + POS1064_XCURCOL1RED, POS1064_XCURCOL1GREEN, POS1064_XCURCOL1BLUE, + POS1064_XCURCOL2RED, POS1064_XCURCOL2GREEN, POS1064_XCURCOL2BLUE, + POS1064_XVREFCTRL, POS1064_XMULCTRL, POS1064_XPIXCLKCTRL, POS1064_XGENCTRL, + POS1064_XMISCCTRL, + POS1064_XGENIOCTRL, POS1064_XGENIODATA, POS1064_XZOOMCTRL, POS1064_XSENSETEST, + POS1064_XCRCBITSEL, + POS1064_XCOLKEYMASKL, POS1064_XCOLKEYMASKH, POS1064_XCOLKEYL, POS1064_XCOLKEYH, + POS1064_XOUTPUTCONN, POS1064_XPANMODE, POS1064_XPWRCTRL }; + + +#endif /* __MATROXFB_DAC1064_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.c b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c new file mode 100644 index 000000000..5617c014d --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.c @@ -0,0 +1,749 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> + * + * Contributors: "menion?" <menion@mindless.com> + * Betatesting, fixes, ideas + * + * "Kurt Garloff" <garloff@suse.de> + * Betatesting, fixes, ideas, videomodes, videomodes timmings + * + * "Tom Rini" <trini@kernel.crashing.org> + * MTRR stuff, PPC cleanups, betatesting, fixes, ideas + * + * "Bibek Sahu" <scorpio@dodds.net> + * Access device through readb|w|l and write b|w|l + * Extensive debugging stuff + * + * "Daniel Haun" <haund@usa.net> + * Testing, hardware cursor fixes + * + * "Scott Wood" <sawst46+@pitt.edu> + * Fixes + * + * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> + * Betatesting + * + * "Kelly French" <targon@hazmat.com> + * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> + * Betatesting, bug reporting + * + * "Pablo Bianucci" <pbian@pccp.com.ar> + * Fixes, ideas, betatesting + * + * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> + * Fixes, enhandcements, ideas, betatesting + * + * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> + * PPC betatesting, PPC support, backward compatibility + * + * "Paul Womar" <Paul@pwomar.demon.co.uk> + * "Owen Waller" <O.Waller@ee.qub.ac.uk> + * PPC betatesting + * + * "Thomas Pornin" <pornin@bolet.ens.fr> + * Alpha betatesting + * + * "Pieter van Leuven" <pvl@iae.nl> + * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> + * G100 testing + * + * "H. Peter Arvin" <hpa@transmeta.com> + * Ideas + * + * "Cort Dougan" <cort@cs.nmt.edu> + * CHRP fixes and PReP cleanup + * + * "Mark Vojkovich" <mvojkovi@ucsd.edu> + * G400 support + * + * (following author is not in any relation with this code, but his code + * is included in this driver) + * + * Based on framebuffer driver for VBE 2.0 compliant graphic boards + * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> + * + * (following author is not in any relation with this code, but his ideas + * were used when writing this driver) + * + * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> + * + */ + + +#include "matroxfb_Ti3026.h" +#include "matroxfb_misc.h" +#include "matroxfb_accel.h" +#include <linux/matroxfb.h> + +#ifdef CONFIG_FB_MATROX_MILLENIUM +#define outTi3026 matroxfb_DAC_out +#define inTi3026 matroxfb_DAC_in + +#define TVP3026_INDEX 0x00 +#define TVP3026_PALWRADD 0x00 +#define TVP3026_PALDATA 0x01 +#define TVP3026_PIXRDMSK 0x02 +#define TVP3026_PALRDADD 0x03 +#define TVP3026_CURCOLWRADD 0x04 +#define TVP3026_CLOVERSCAN 0x00 +#define TVP3026_CLCOLOR0 0x01 +#define TVP3026_CLCOLOR1 0x02 +#define TVP3026_CLCOLOR2 0x03 +#define TVP3026_CURCOLDATA 0x05 +#define TVP3026_CURCOLRDADD 0x07 +#define TVP3026_CURCTRL 0x09 +#define TVP3026_X_DATAREG 0x0A +#define TVP3026_CURRAMDATA 0x0B +#define TVP3026_CURPOSXL 0x0C +#define TVP3026_CURPOSXH 0x0D +#define TVP3026_CURPOSYL 0x0E +#define TVP3026_CURPOSYH 0x0F + +#define TVP3026_XSILICONREV 0x01 +#define TVP3026_XCURCTRL 0x06 +#define TVP3026_XCURCTRL_DIS 0x00 /* transparent, transparent, transparent, transparent */ +#define TVP3026_XCURCTRL_3COLOR 0x01 /* transparent, 0, 1, 2 */ +#define TVP3026_XCURCTRL_XGA 0x02 /* 0, 1, transparent, complement */ +#define TVP3026_XCURCTRL_XWIN 0x03 /* transparent, transparent, 0, 1 */ +#define TVP3026_XCURCTRL_BLANK2048 0x00 +#define TVP3026_XCURCTRL_BLANK4096 0x10 +#define TVP3026_XCURCTRL_INTERLACED 0x20 +#define TVP3026_XCURCTRL_ODD 0x00 /* ext.signal ODD/\EVEN */ +#define TVP3026_XCURCTRL_EVEN 0x40 /* ext.signal EVEN/\ODD */ +#define TVP3026_XCURCTRL_INDIRECT 0x00 +#define TVP3026_XCURCTRL_DIRECT 0x80 +#define TVP3026_XLATCHCTRL 0x0F +#define TVP3026_XLATCHCTRL_1_1 0x06 +#define TVP3026_XLATCHCTRL_2_1 0x07 +#define TVP3026_XLATCHCTRL_4_1 0x06 +#define TVP3026_XLATCHCTRL_8_1 0x06 +#define TVP3026_XLATCHCTRL_16_1 0x06 +#define TVP3026A_XLATCHCTRL_4_3 0x06 /* ??? do not understand... but it works... !!! */ +#define TVP3026A_XLATCHCTRL_8_3 0x07 +#define TVP3026B_XLATCHCTRL_4_3 0x08 +#define TVP3026B_XLATCHCTRL_8_3 0x06 /* ??? do not understand... but it works... !!! */ +#define TVP3026_XTRUECOLORCTRL 0x18 +#define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_ACCEL 0x00 +#define TVP3026_XTRUECOLORCTRL_VRAM_SHIFT_TVP 0x20 +#define TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR 0x80 +#define TVP3026_XTRUECOLORCTRL_TRUECOLOR 0x40 /* paletized */ +#define TVP3026_XTRUECOLORCTRL_DIRECTCOLOR 0x00 +#define TVP3026_XTRUECOLORCTRL_24_ALTERNATE 0x08 /* 5:4/5:2 instead of 4:3/8:3 */ +#define TVP3026_XTRUECOLORCTRL_RGB_888 0x16 /* 4:3/8:3 (or 5:4/5:2) */ +#define TVP3026_XTRUECOLORCTRL_BGR_888 0x17 +#define TVP3026_XTRUECOLORCTRL_ORGB_8888 0x06 +#define TVP3026_XTRUECOLORCTRL_BGRO_8888 0x07 +#define TVP3026_XTRUECOLORCTRL_RGB_565 0x05 +#define TVP3026_XTRUECOLORCTRL_ORGB_1555 0x04 +#define TVP3026_XTRUECOLORCTRL_RGB_664 0x03 +#define TVP3026_XTRUECOLORCTRL_RGBO_4444 0x01 +#define TVP3026_XMUXCTRL 0x19 +#define TVP3026_XMUXCTRL_MEMORY_8BIT 0x01 /* - */ +#define TVP3026_XMUXCTRL_MEMORY_16BIT 0x02 /* - */ +#define TVP3026_XMUXCTRL_MEMORY_32BIT 0x03 /* 2MB RAM, 512K * 4 */ +#define TVP3026_XMUXCTRL_MEMORY_64BIT 0x04 /* >2MB RAM, 512K * 8 & more */ +#define TVP3026_XMUXCTRL_PIXEL_4BIT 0x40 /* L0,H0,L1,H1... */ +#define TVP3026_XMUXCTRL_PIXEL_4BIT_SWAPPED 0x60 /* H0,L0,H1,L1... */ +#define TVP3026_XMUXCTRL_PIXEL_8BIT 0x48 +#define TVP3026_XMUXCTRL_PIXEL_16BIT 0x50 +#define TVP3026_XMUXCTRL_PIXEL_32BIT 0x58 +#define TVP3026_XMUXCTRL_VGA 0x98 /* VGA MEMORY, 8BIT PIXEL */ +#define TVP3026_XCLKCTRL 0x1A +#define TVP3026_XCLKCTRL_DIV1 0x00 +#define TVP3026_XCLKCTRL_DIV2 0x10 +#define TVP3026_XCLKCTRL_DIV4 0x20 +#define TVP3026_XCLKCTRL_DIV8 0x30 +#define TVP3026_XCLKCTRL_DIV16 0x40 +#define TVP3026_XCLKCTRL_DIV32 0x50 +#define TVP3026_XCLKCTRL_DIV64 0x60 +#define TVP3026_XCLKCTRL_CLKSTOPPED 0x70 +#define TVP3026_XCLKCTRL_SRC_CLK0 0x00 +#define TVP3026_XCLKCTRL_SRC_CLK1 0x01 +#define TVP3026_XCLKCTRL_SRC_CLK2 0x02 /* CLK2 is TTL source*/ +#define TVP3026_XCLKCTRL_SRC_NCLK2 0x03 /* not CLK2 is TTL source */ +#define TVP3026_XCLKCTRL_SRC_ECLK2 0x04 /* CLK2 and not CLK2 is ECL source */ +#define TVP3026_XCLKCTRL_SRC_PLL 0x05 +#define TVP3026_XCLKCTRL_SRC_DIS 0x06 /* disable & poweroff internal clock */ +#define TVP3026_XCLKCTRL_SRC_CLK0VGA 0x07 +#define TVP3026_XPALETTEPAGE 0x1C +#define TVP3026_XGENCTRL 0x1D +#define TVP3026_XGENCTRL_HSYNC_POS 0x00 +#define TVP3026_XGENCTRL_HSYNC_NEG 0x01 +#define TVP3026_XGENCTRL_VSYNC_POS 0x00 +#define TVP3026_XGENCTRL_VSYNC_NEG 0x02 +#define TVP3026_XGENCTRL_LITTLE_ENDIAN 0x00 +#define TVP3026_XGENCTRL_BIG_ENDIAN 0x08 +#define TVP3026_XGENCTRL_BLACK_0IRE 0x00 +#define TVP3026_XGENCTRL_BLACK_75IRE 0x10 +#define TVP3026_XGENCTRL_NO_SYNC_ON_GREEN 0x00 +#define TVP3026_XGENCTRL_SYNC_ON_GREEN 0x20 +#define TVP3026_XGENCTRL_OVERSCAN_DIS 0x00 +#define TVP3026_XGENCTRL_OVERSCAN_EN 0x40 +#define TVP3026_XMISCCTRL 0x1E +#define TVP3026_XMISCCTRL_DAC_PUP 0x00 +#define TVP3026_XMISCCTRL_DAC_PDOWN 0x01 +#define TVP3026_XMISCCTRL_DAC_EXT 0x00 /* or 8, bit 3 is ignored */ +#define TVP3026_XMISCCTRL_DAC_6BIT 0x04 +#define TVP3026_XMISCCTRL_DAC_8BIT 0x0C +#define TVP3026_XMISCCTRL_PSEL_DIS 0x00 +#define TVP3026_XMISCCTRL_PSEL_EN 0x10 +#define TVP3026_XMISCCTRL_PSEL_LOW 0x00 /* PSEL high selects directcolor */ +#define TVP3026_XMISCCTRL_PSEL_HIGH 0x20 /* PSEL high selects truecolor or pseudocolor */ +#define TVP3026_XGENIOCTRL 0x2A +#define TVP3026_XGENIODATA 0x2B +#define TVP3026_XPLLADDR 0x2C +#define TVP3026_XPLLADDR_X(LOOP,MCLK,PIX) (((LOOP)<<4) | ((MCLK)<<2) | (PIX)) +#define TVP3026_XPLLDATA_N 0x00 +#define TVP3026_XPLLDATA_M 0x01 +#define TVP3026_XPLLDATA_P 0x02 +#define TVP3026_XPLLDATA_STAT 0x03 +#define TVP3026_XPIXPLLDATA 0x2D +#define TVP3026_XMEMPLLDATA 0x2E +#define TVP3026_XLOOPPLLDATA 0x2F +#define TVP3026_XCOLKEYOVRMIN 0x30 +#define TVP3026_XCOLKEYOVRMAX 0x31 +#define TVP3026_XCOLKEYREDMIN 0x32 +#define TVP3026_XCOLKEYREDMAX 0x33 +#define TVP3026_XCOLKEYGREENMIN 0x34 +#define TVP3026_XCOLKEYGREENMAX 0x35 +#define TVP3026_XCOLKEYBLUEMIN 0x36 +#define TVP3026_XCOLKEYBLUEMAX 0x37 +#define TVP3026_XCOLKEYCTRL 0x38 +#define TVP3026_XCOLKEYCTRL_OVR_EN 0x01 +#define TVP3026_XCOLKEYCTRL_RED_EN 0x02 +#define TVP3026_XCOLKEYCTRL_GREEN_EN 0x04 +#define TVP3026_XCOLKEYCTRL_BLUE_EN 0x08 +#define TVP3026_XCOLKEYCTRL_NEGATE 0x10 +#define TVP3026_XCOLKEYCTRL_ZOOM1 0x00 +#define TVP3026_XCOLKEYCTRL_ZOOM2 0x20 +#define TVP3026_XCOLKEYCTRL_ZOOM4 0x40 +#define TVP3026_XCOLKEYCTRL_ZOOM8 0x60 +#define TVP3026_XCOLKEYCTRL_ZOOM16 0x80 +#define TVP3026_XCOLKEYCTRL_ZOOM32 0xA0 +#define TVP3026_XMEMPLLCTRL 0x39 +#define TVP3026_XMEMPLLCTRL_DIV(X) (((X)-1)>>1) /* 2,4,6,8,10,12,14,16, division applied to LOOP PLL after divide by 2^P */ +#define TVP3026_XMEMPLLCTRL_STROBEMKC4 0x08 +#define TVP3026_XMEMPLLCTRL_MCLK_DOTCLOCK 0x00 /* MKC4 */ +#define TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL 0x10 /* MKC4 */ +#define TVP3026_XMEMPLLCTRL_RCLK_PIXPLL 0x00 +#define TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL 0x20 +#define TVP3026_XMEMPLLCTRL_RCLK_DOTDIVN 0x40 /* dot clock divided by loop pclk N prescaler */ +#define TVP3026_XSENSETEST 0x3A +#define TVP3026_XTESTMODEDATA 0x3B +#define TVP3026_XCRCREML 0x3C +#define TVP3026_XCRCREMH 0x3D +#define TVP3026_XCRCBITSEL 0x3E +#define TVP3026_XID 0x3F + +static const unsigned char DACseq[] = +{ TVP3026_XLATCHCTRL, TVP3026_XTRUECOLORCTRL, + TVP3026_XMUXCTRL, TVP3026_XCLKCTRL, + TVP3026_XPALETTEPAGE, + TVP3026_XGENCTRL, + TVP3026_XMISCCTRL, + TVP3026_XGENIOCTRL, + TVP3026_XGENIODATA, + TVP3026_XCOLKEYOVRMIN, TVP3026_XCOLKEYOVRMAX, TVP3026_XCOLKEYREDMIN, TVP3026_XCOLKEYREDMAX, + TVP3026_XCOLKEYGREENMIN, TVP3026_XCOLKEYGREENMAX, TVP3026_XCOLKEYBLUEMIN, TVP3026_XCOLKEYBLUEMAX, + TVP3026_XCOLKEYCTRL, + TVP3026_XMEMPLLCTRL, TVP3026_XSENSETEST, TVP3026_XCURCTRL }; + +#define POS3026_XLATCHCTRL 0 +#define POS3026_XTRUECOLORCTRL 1 +#define POS3026_XMUXCTRL 2 +#define POS3026_XCLKCTRL 3 +#define POS3026_XGENCTRL 5 +#define POS3026_XMISCCTRL 6 +#define POS3026_XMEMPLLCTRL 18 +#define POS3026_XCURCTRL 20 + +static const unsigned char MGADACbpp32[] = +{ TVP3026_XLATCHCTRL_2_1, TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_8888, + 0x00, TVP3026_XCLKCTRL_DIV1 | TVP3026_XCLKCTRL_SRC_PLL, + 0x00, + TVP3026_XGENCTRL_HSYNC_POS | TVP3026_XGENCTRL_VSYNC_POS | TVP3026_XGENCTRL_LITTLE_ENDIAN | TVP3026_XGENCTRL_BLACK_0IRE | TVP3026_XGENCTRL_NO_SYNC_ON_GREEN | TVP3026_XGENCTRL_OVERSCAN_DIS, + TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_HIGH, + 0x00, + 0x1E, + 0xFF, 0xFF, 0xFF, 0xFF, + 0xFF, 0xFF, 0xFF, 0xFF, + TVP3026_XCOLKEYCTRL_ZOOM1, + 0x00, 0x00, TVP3026_XCURCTRL_DIS }; + +static int Ti3026_calcclock(const struct matrox_fb_info *minfo, + unsigned int freq, unsigned int fmax, int *in, + int *feed, int *post) +{ + unsigned int fvco; + unsigned int lin, lfeed, lpost; + + DBG(__func__) + + fvco = PLL_calcclock(minfo, freq, fmax, &lin, &lfeed, &lpost); + fvco >>= (*post = lpost); + *in = 64 - lin; + *feed = 64 - lfeed; + return fvco; +} + +static int Ti3026_setpclk(struct matrox_fb_info *minfo, int clk) +{ + unsigned int f_pll; + unsigned int pixfeed, pixin, pixpost; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + f_pll = Ti3026_calcclock(minfo, clk, minfo->max_pixel_clock, &pixin, &pixfeed, &pixpost); + + hw->DACclk[0] = pixin | 0xC0; + hw->DACclk[1] = pixfeed; + hw->DACclk[2] = pixpost | 0xB0; + + { + unsigned int loopfeed, loopin, looppost, loopdiv, z; + unsigned int Bpp; + + Bpp = minfo->curr.final_bppShift; + + if (minfo->fbcon.var.bits_per_pixel == 24) { + loopfeed = 3; /* set lm to any possible value */ + loopin = 3 * 32 / Bpp; + } else { + loopfeed = 4; + loopin = 4 * 32 / Bpp; + } + z = (110000 * loopin) / (f_pll * loopfeed); + loopdiv = 0; /* div 2 */ + if (z < 2) + looppost = 0; + else if (z < 4) + looppost = 1; + else if (z < 8) + looppost = 2; + else { + looppost = 3; + loopdiv = z/16; + } + if (minfo->fbcon.var.bits_per_pixel == 24) { + hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0; + hw->DACclk[4] = (65 - loopfeed) | 0x80; + if (minfo->accel.ramdac_rev > 0x20) { + if (isInterleave(minfo)) + hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_8_3; + else { + hw->DACclk[4] &= ~0xC0; + hw->DACreg[POS3026_XLATCHCTRL] = TVP3026B_XLATCHCTRL_4_3; + } + } else { + if (isInterleave(minfo)) + ; /* default... */ + else { + hw->DACclk[4] ^= 0xC0; /* change from 0x80 to 0x40 */ + hw->DACreg[POS3026_XLATCHCTRL] = TVP3026A_XLATCHCTRL_4_3; + } + } + hw->DACclk[5] = looppost | 0xF8; + if (minfo->devflags.mga_24bpp_fix) + hw->DACclk[5] ^= 0x40; + } else { + hw->DACclk[3] = ((65 - loopin) & 0x3F) | 0xC0; + hw->DACclk[4] = 65 - loopfeed; + hw->DACclk[5] = looppost | 0xF0; + } + hw->DACreg[POS3026_XMEMPLLCTRL] = loopdiv | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_RCLK_LOOPPLL; + } + return 0; +} + +static int Ti3026_init(struct matrox_fb_info *minfo, struct my_timming *m) +{ + u_int8_t muxctrl = isInterleave(minfo) ? TVP3026_XMUXCTRL_MEMORY_64BIT : TVP3026_XMUXCTRL_MEMORY_32BIT; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + memcpy(hw->DACreg, MGADACbpp32, sizeof(MGADACbpp32)); + switch (minfo->fbcon.var.bits_per_pixel) { + case 4: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_16_1; /* or _8_1, they are same */ + hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR; + hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_4BIT; + hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV8; + hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW; + break; + case 8: hw->DACreg[POS3026_XLATCHCTRL] = TVP3026_XLATCHCTRL_8_1; /* or _4_1, they are same */ + hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR; + hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_8BIT; + hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4; + hw->DACreg[POS3026_XMISCCTRL] = TVP3026_XMISCCTRL_DAC_PUP | TVP3026_XMISCCTRL_DAC_8BIT | TVP3026_XMISCCTRL_PSEL_DIS | TVP3026_XMISCCTRL_PSEL_LOW; + break; + case 16: + /* XLATCHCTRL should be _4_1 / _2_1... Why is not? (_2_1 is used every time) */ + hw->DACreg[POS3026_XTRUECOLORCTRL] = (minfo->fbcon.var.green.length == 5) ? (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_ORGB_1555) : (TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_565); + hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_16BIT; + hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV2; + break; + case 24: + /* XLATCHCTRL is: for (A) use _4_3 (?_8_3 is same? TBD), for (B) it is set in setpclk */ + hw->DACreg[POS3026_XTRUECOLORCTRL] = TVP3026_XTRUECOLORCTRL_DIRECTCOLOR | TVP3026_XTRUECOLORCTRL_RGB_888; + hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT; + hw->DACreg[POS3026_XCLKCTRL] = TVP3026_XCLKCTRL_SRC_PLL | TVP3026_XCLKCTRL_DIV4; + break; + case 32: + /* XLATCHCTRL should be _2_1 / _1_1... Why is not? (_2_1 is used every time) */ + hw->DACreg[POS3026_XMUXCTRL] = muxctrl | TVP3026_XMUXCTRL_PIXEL_32BIT; + break; + default: + return 1; /* TODO: failed */ + } + if (matroxfb_vgaHWinit(minfo, m)) return 1; + + /* set SYNC */ + hw->MiscOutReg = 0xCB; + if (m->sync & FB_SYNC_HOR_HIGH_ACT) + hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_HSYNC_NEG; + if (m->sync & FB_SYNC_VERT_HIGH_ACT) + hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_VSYNC_NEG; + if (m->sync & FB_SYNC_ON_GREEN) + hw->DACreg[POS3026_XGENCTRL] |= TVP3026_XGENCTRL_SYNC_ON_GREEN; + + /* set DELAY */ + if (minfo->video.len < 0x400000) + hw->CRTCEXT[3] |= 0x08; + else if (minfo->video.len > 0x400000) + hw->CRTCEXT[3] |= 0x10; + + /* set HWCURSOR */ + if (m->interlaced) { + hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_INTERLACED; + } + if (m->HTotal >= 1536) + hw->DACreg[POS3026_XCURCTRL] |= TVP3026_XCURCTRL_BLANK4096; + + /* set interleaving */ + hw->MXoptionReg &= ~0x00001000; + if (isInterleave(minfo)) hw->MXoptionReg |= 0x00001000; + + /* set DAC */ + Ti3026_setpclk(minfo, m->pixclock); + return 0; +} + +static void ti3026_setMCLK(struct matrox_fb_info *minfo, int fout) +{ + unsigned int f_pll; + unsigned int pclk_m, pclk_n, pclk_p; + unsigned int mclk_m, mclk_n, mclk_p; + unsigned int rfhcnt, mclk_ctl; + int tmout; + + DBG(__func__) + + f_pll = Ti3026_calcclock(minfo, fout, minfo->max_pixel_clock, &mclk_n, &mclk_m, &mclk_p); + + /* save pclk */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); + pclk_n = inTi3026(minfo, TVP3026_XPIXPLLDATA); + outTi3026(minfo, TVP3026_XPLLADDR, 0xFD); + pclk_m = inTi3026(minfo, TVP3026_XPIXPLLDATA); + outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); + pclk_p = inTi3026(minfo, TVP3026_XPIXPLLDATA); + + /* stop pclk */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); + outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); + + /* set pclk to new mclk */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); + outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_n | 0xC0); + outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_m); + outTi3026(minfo, TVP3026_XPIXPLLDATA, mclk_p | 0xB0); + + /* wait for PLL to lock */ + for (tmout = 500000; tmout; tmout--) { + if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) + break; + udelay(10); + } + if (!tmout) + printk(KERN_ERR "matroxfb: Temporary pixel PLL not locked after 5 secs\n"); + + /* output pclk on mclk pin */ + mclk_ctl = inTi3026(minfo, TVP3026_XMEMPLLCTRL); + outTi3026(minfo, TVP3026_XMEMPLLCTRL, mclk_ctl & 0xE7); + outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_STROBEMKC4); + + /* stop MCLK */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFB); + outTi3026(minfo, TVP3026_XMEMPLLDATA, 0x00); + + /* set mclk to new freq */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xF3); + outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_n | 0xC0); + outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_m); + outTi3026(minfo, TVP3026_XMEMPLLDATA, mclk_p | 0xB0); + + /* wait for PLL to lock */ + for (tmout = 500000; tmout; tmout--) { + if (inTi3026(minfo, TVP3026_XMEMPLLDATA) & 0x40) + break; + udelay(10); + } + if (!tmout) + printk(KERN_ERR "matroxfb: Memory PLL not locked after 5 secs\n"); + + f_pll = f_pll * 333 / (10000 << mclk_p); + if (isMilleniumII(minfo)) { + rfhcnt = (f_pll - 128) / 256; + if (rfhcnt > 15) + rfhcnt = 15; + } else { + rfhcnt = (f_pll - 64) / 128; + if (rfhcnt > 15) + rfhcnt = 0; + } + minfo->hw.MXoptionReg = (minfo->hw.MXoptionReg & ~0x000F0000) | (rfhcnt << 16); + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, minfo->hw.MXoptionReg); + + /* output MCLK to MCLK pin */ + outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl & 0xE7) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL); + outTi3026(minfo, TVP3026_XMEMPLLCTRL, (mclk_ctl ) | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL | TVP3026_XMEMPLLCTRL_STROBEMKC4); + + /* stop PCLK */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFE); + outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); + + /* restore pclk */ + outTi3026(minfo, TVP3026_XPLLADDR, 0xFC); + outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_n); + outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_m); + outTi3026(minfo, TVP3026_XPIXPLLDATA, pclk_p); + + /* wait for PLL to lock */ + for (tmout = 500000; tmout; tmout--) { + if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) + break; + udelay(10); + } + if (!tmout) + printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n"); +} + +static void ti3026_ramdac_init(struct matrox_fb_info *minfo) +{ + DBG(__func__) + + minfo->features.pll.vco_freq_min = 110000; + minfo->features.pll.ref_freq = 114545; + minfo->features.pll.feed_div_min = 2; + minfo->features.pll.feed_div_max = 24; + minfo->features.pll.in_div_min = 2; + minfo->features.pll.in_div_max = 63; + minfo->features.pll.post_shift_max = 3; + if (minfo->devflags.noinit) + return; + ti3026_setMCLK(minfo, 60000); +} + +static void Ti3026_restore(struct matrox_fb_info *minfo) +{ + int i; + unsigned char progdac[6]; + struct matrox_hw_state *hw = &minfo->hw; + CRITFLAGS + + DBG(__func__) + +#ifdef DEBUG + dprintk(KERN_INFO "EXTVGA regs: "); + for (i = 0; i < 6; i++) + dprintk("%02X:", hw->CRTCEXT[i]); + dprintk("\n"); +#endif + + CRITBEGIN + + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + + CRITEND + + matroxfb_vgaHWrestore(minfo); + + CRITBEGIN + + minfo->crtc1.panpos = -1; + for (i = 0; i < 6; i++) + mga_setr(M_EXTVGA_INDEX, i, hw->CRTCEXT[i]); + + for (i = 0; i < 21; i++) { + outTi3026(minfo, DACseq[i], hw->DACreg[i]); + } + + outTi3026(minfo, TVP3026_XPLLADDR, 0x00); + progdac[0] = inTi3026(minfo, TVP3026_XPIXPLLDATA); + progdac[3] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); + outTi3026(minfo, TVP3026_XPLLADDR, 0x15); + progdac[1] = inTi3026(minfo, TVP3026_XPIXPLLDATA); + progdac[4] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); + outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); + progdac[2] = inTi3026(minfo, TVP3026_XPIXPLLDATA); + progdac[5] = inTi3026(minfo, TVP3026_XLOOPPLLDATA); + + CRITEND + if (memcmp(hw->DACclk, progdac, 6)) { + /* agrhh... setting up PLL is very slow on Millennium... */ + /* Mystique PLL is locked in few ms, but Millennium PLL lock takes about 0.15 s... */ + /* Maybe even we should call schedule() ? */ + + CRITBEGIN + outTi3026(minfo, TVP3026_XCLKCTRL, hw->DACreg[POS3026_XCLKCTRL]); + outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); + outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0); + outTi3026(minfo, TVP3026_XPIXPLLDATA, 0); + + outTi3026(minfo, TVP3026_XPLLADDR, 0x00); + for (i = 0; i < 3; i++) + outTi3026(minfo, TVP3026_XPIXPLLDATA, hw->DACclk[i]); + /* wait for PLL only if PLL clock requested (always for PowerMode, never for VGA) */ + if (hw->MiscOutReg & 0x08) { + int tmout; + outTi3026(minfo, TVP3026_XPLLADDR, 0x3F); + for (tmout = 500000; tmout; --tmout) { + if (inTi3026(minfo, TVP3026_XPIXPLLDATA) & 0x40) + break; + udelay(10); + } + + CRITEND + + if (!tmout) + printk(KERN_ERR "matroxfb: Pixel PLL not locked after 5 secs\n"); + else + dprintk(KERN_INFO "PixelPLL: %d\n", 500000-tmout); + CRITBEGIN + } + outTi3026(minfo, TVP3026_XMEMPLLCTRL, hw->DACreg[POS3026_XMEMPLLCTRL]); + outTi3026(minfo, TVP3026_XPLLADDR, 0x00); + for (i = 3; i < 6; i++) + outTi3026(minfo, TVP3026_XLOOPPLLDATA, hw->DACclk[i]); + CRITEND + if ((hw->MiscOutReg & 0x08) && ((hw->DACclk[5] & 0x80) == 0x80)) { + int tmout; + + CRITBEGIN + outTi3026(minfo, TVP3026_XPLLADDR, 0x3F); + for (tmout = 500000; tmout; --tmout) { + if (inTi3026(minfo, TVP3026_XLOOPPLLDATA) & 0x40) + break; + udelay(10); + } + CRITEND + if (!tmout) + printk(KERN_ERR "matroxfb: Loop PLL not locked after 5 secs\n"); + else + dprintk(KERN_INFO "LoopPLL: %d\n", 500000-tmout); + } + } + +#ifdef DEBUG + dprintk(KERN_DEBUG "3026DACregs "); + for (i = 0; i < 21; i++) { + dprintk("R%02X=%02X ", DACseq[i], hw->DACreg[i]); + if ((i & 0x7) == 0x7) dprintk(KERN_DEBUG "continuing... "); + } + dprintk(KERN_DEBUG "DACclk "); + for (i = 0; i < 6; i++) + dprintk("C%02X=%02X ", i, hw->DACclk[i]); + dprintk("\n"); +#endif +} + +static void Ti3026_reset(struct matrox_fb_info *minfo) +{ + DBG(__func__) + + ti3026_ramdac_init(minfo); +} + +static struct matrox_altout ti3026_output = { + .name = "Primary output", +}; + +static int Ti3026_preinit(struct matrox_fb_info *minfo) +{ + static const int vxres_mill2[] = { 512, 640, 768, 800, 832, 960, + 1024, 1152, 1280, 1600, 1664, 1920, + 2048, 0}; + static const int vxres_mill1[] = { 640, 768, 800, 960, + 1024, 1152, 1280, 1600, 1920, + 2048, 0}; + struct matrox_hw_state *hw = &minfo->hw; + + DBG(__func__) + + minfo->millenium = 1; + minfo->milleniumII = (minfo->pcidev->device != PCI_DEVICE_ID_MATROX_MIL); + minfo->capable.cfb4 = 1; + minfo->capable.text = 1; /* isMilleniumII(minfo); */ + minfo->capable.vxres = isMilleniumII(minfo) ? vxres_mill2 : vxres_mill1; + + minfo->outputs[0].data = minfo; + minfo->outputs[0].output = &ti3026_output; + minfo->outputs[0].src = minfo->outputs[0].default_src; + minfo->outputs[0].mode = MATROXFB_OUTPUT_MODE_MONITOR; + + if (minfo->devflags.noinit) + return 0; + /* preserve VGA I/O, BIOS and PPC */ + hw->MXoptionReg &= 0xC0000100; + hw->MXoptionReg |= 0x002C0000; + if (minfo->devflags.novga) + hw->MXoptionReg &= ~0x00000100; + if (minfo->devflags.nobios) + hw->MXoptionReg &= ~0x40000000; + if (minfo->devflags.nopciretry) + hw->MXoptionReg |= 0x20000000; + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, hw->MXoptionReg); + + minfo->accel.ramdac_rev = inTi3026(minfo, TVP3026_XSILICONREV); + + outTi3026(minfo, TVP3026_XCLKCTRL, TVP3026_XCLKCTRL_SRC_CLK0VGA | TVP3026_XCLKCTRL_CLKSTOPPED); + outTi3026(minfo, TVP3026_XTRUECOLORCTRL, TVP3026_XTRUECOLORCTRL_PSEUDOCOLOR); + outTi3026(minfo, TVP3026_XMUXCTRL, TVP3026_XMUXCTRL_VGA); + + outTi3026(minfo, TVP3026_XPLLADDR, 0x2A); + outTi3026(minfo, TVP3026_XLOOPPLLDATA, 0x00); + outTi3026(minfo, TVP3026_XPIXPLLDATA, 0x00); + + mga_outb(M_MISC_REG, 0x67); + + outTi3026(minfo, TVP3026_XMEMPLLCTRL, TVP3026_XMEMPLLCTRL_STROBEMKC4 | TVP3026_XMEMPLLCTRL_MCLK_MCLKPLL); + + mga_outl(M_RESET, 1); + udelay(250); + mga_outl(M_RESET, 0); + udelay(250); + mga_outl(M_MACCESS, 0x00008000); + udelay(10); + return 0; +} + +struct matrox_switch matrox_millennium = { + .preinit = Ti3026_preinit, + .reset = Ti3026_reset, + .init = Ti3026_init, + .restore = Ti3026_restore +}; +EXPORT_SYMBOL(matrox_millennium); +#endif +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_Ti3026.h b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h new file mode 100644 index 000000000..faee149d0 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_Ti3026.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_TI3026_H__ +#define __MATROXFB_TI3026_H__ + + +#include "matroxfb_base.h" + +#ifdef CONFIG_FB_MATROX_MILLENIUM +extern struct matrox_switch matrox_millennium; +#endif + +#endif /* __MATROXFB_TI3026_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_accel.c b/drivers/video/fbdev/matrox/matroxfb_accel.c new file mode 100644 index 000000000..9cb0685fe --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_accel.c @@ -0,0 +1,520 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Version: 1.65 2002/08/14 + * + * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> + * + * Contributors: "menion?" <menion@mindless.com> + * Betatesting, fixes, ideas + * + * "Kurt Garloff" <garloff@suse.de> + * Betatesting, fixes, ideas, videomodes, videomodes timmings + * + * "Tom Rini" <trini@kernel.crashing.org> + * MTRR stuff, PPC cleanups, betatesting, fixes, ideas + * + * "Bibek Sahu" <scorpio@dodds.net> + * Access device through readb|w|l and write b|w|l + * Extensive debugging stuff + * + * "Daniel Haun" <haund@usa.net> + * Testing, hardware cursor fixes + * + * "Scott Wood" <sawst46+@pitt.edu> + * Fixes + * + * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> + * Betatesting + * + * "Kelly French" <targon@hazmat.com> + * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> + * Betatesting, bug reporting + * + * "Pablo Bianucci" <pbian@pccp.com.ar> + * Fixes, ideas, betatesting + * + * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> + * Fixes, enhandcements, ideas, betatesting + * + * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> + * PPC betatesting, PPC support, backward compatibility + * + * "Paul Womar" <Paul@pwomar.demon.co.uk> + * "Owen Waller" <O.Waller@ee.qub.ac.uk> + * PPC betatesting + * + * "Thomas Pornin" <pornin@bolet.ens.fr> + * Alpha betatesting + * + * "Pieter van Leuven" <pvl@iae.nl> + * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> + * G100 testing + * + * "H. Peter Arvin" <hpa@transmeta.com> + * Ideas + * + * "Cort Dougan" <cort@cs.nmt.edu> + * CHRP fixes and PReP cleanup + * + * "Mark Vojkovich" <mvojkovi@ucsd.edu> + * G400 support + * + * (following author is not in any relation with this code, but his code + * is included in this driver) + * + * Based on framebuffer driver for VBE 2.0 compliant graphic boards + * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> + * + * (following author is not in any relation with this code, but his ideas + * were used when writing this driver) + * + * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> + * + */ + +#include "matroxfb_accel.h" +#include "matroxfb_DAC1064.h" +#include "matroxfb_Ti3026.h" +#include "matroxfb_misc.h" + +#define curr_ydstorg(x) ((x)->curr.ydstorg.pixels) + +#define mga_ydstlen(y,l) mga_outl(M_YDSTLEN | M_EXEC, ((y) << 16) | (l)) + +static inline void matrox_cfb4_pal(u_int32_t* pal) { + unsigned int i; + + for (i = 0; i < 16; i++) { + pal[i] = i * 0x11111111U; + } +} + +static inline void matrox_cfb8_pal(u_int32_t* pal) { + unsigned int i; + + for (i = 0; i < 16; i++) { + pal[i] = i * 0x01010101U; + } +} + +static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area); +static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect); +static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image); +static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect); +static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area); + +void matrox_cfbX_init(struct matrox_fb_info *minfo) +{ + u_int32_t maccess; + u_int32_t mpitch; + u_int32_t mopmode; + int accel; + + DBG(__func__) + + mpitch = minfo->fbcon.var.xres_virtual; + + minfo->fbops.fb_copyarea = cfb_copyarea; + minfo->fbops.fb_fillrect = cfb_fillrect; + minfo->fbops.fb_imageblit = cfb_imageblit; + minfo->fbops.fb_cursor = NULL; + + accel = (minfo->fbcon.var.accel_flags & FB_ACCELF_TEXT) == FB_ACCELF_TEXT; + + switch (minfo->fbcon.var.bits_per_pixel) { + case 4: maccess = 0x00000000; /* accelerate as 8bpp video */ + mpitch = (mpitch >> 1) | 0x8000; /* disable linearization */ + mopmode = M_OPMODE_4BPP; + matrox_cfb4_pal(minfo->cmap); + if (accel && !(mpitch & 1)) { + minfo->fbops.fb_copyarea = matroxfb_cfb4_copyarea; + minfo->fbops.fb_fillrect = matroxfb_cfb4_fillrect; + } + break; + case 8: maccess = 0x00000000; + mopmode = M_OPMODE_8BPP; + matrox_cfb8_pal(minfo->cmap); + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 16: if (minfo->fbcon.var.green.length == 5) + maccess = 0xC0000001; + else + maccess = 0x40000001; + mopmode = M_OPMODE_16BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 24: maccess = 0x00000003; + mopmode = M_OPMODE_24BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + case 32: maccess = 0x00000002; + mopmode = M_OPMODE_32BPP; + if (accel) { + minfo->fbops.fb_copyarea = matroxfb_copyarea; + minfo->fbops.fb_fillrect = matroxfb_fillrect; + minfo->fbops.fb_imageblit = matroxfb_imageblit; + } + break; + default: maccess = 0x00000000; + mopmode = 0x00000000; + break; /* turn off acceleration!!! */ + } + mga_fifo(8); + mga_outl(M_PITCH, mpitch); + mga_outl(M_YDSTORG, curr_ydstorg(minfo)); + if (minfo->capable.plnwt) + mga_outl(M_PLNWT, -1); + if (minfo->capable.srcorg) { + mga_outl(M_SRCORG, 0); + mga_outl(M_DSTORG, 0); + } + mga_outl(M_OPMODE, mopmode); + mga_outl(M_CXBNDRY, 0xFFFF0000); + mga_outl(M_YTOP, 0); + mga_outl(M_YBOT, 0x01FFFFFF); + mga_outl(M_MACCESS, maccess); + minfo->accel.m_dwg_rect = M_DWG_TRAP | M_DWG_SOLID | M_DWG_ARZERO | M_DWG_SGNZERO | M_DWG_SHIFTZERO; + if (isMilleniumII(minfo)) minfo->accel.m_dwg_rect |= M_DWG_TRANSC; + minfo->accel.m_opmode = mopmode; + minfo->accel.m_access = maccess; + minfo->accel.m_pitch = mpitch; +} + +EXPORT_SYMBOL(matrox_cfbX_init); + +static void matrox_accel_restore_maccess(struct matrox_fb_info *minfo) +{ + mga_outl(M_MACCESS, minfo->accel.m_access); + mga_outl(M_PITCH, minfo->accel.m_pitch); +} + +static void matrox_accel_bmove(struct matrox_fb_info *minfo, int vxres, int sy, + int sx, int dy, int dx, int height, int width) +{ + int start, end; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + if ((dy < sy) || ((dy == sy) && (dx <= sx))) { + mga_fifo(4); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | + M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_AR5, vxres); + width--; + start = sy*vxres+sx+curr_ydstorg(minfo); + end = start+width; + } else { + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_SGN, 5); + mga_outl(M_AR5, -vxres); + width--; + end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo); + start = end+width; + dy += height-1; + } + mga_fifo(6); + matrox_accel_restore_maccess(minfo); + mga_outl(M_AR0, end); + mga_outl(M_AR3, start); + mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); + mga_ydstlen(dy, height); + WaitTillIdle(); + + CRITEND +} + +static void matrox_accel_bmove_lin(struct matrox_fb_info *minfo, int vxres, + int sy, int sx, int dy, int dx, int height, + int width) +{ + int start, end; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + if ((dy < sy) || ((dy == sy) && (dx <= sx))) { + mga_fifo(4); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_SGNZERO | + M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_AR5, vxres); + width--; + start = sy*vxres+sx+curr_ydstorg(minfo); + end = start+width; + } else { + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, M_DWG_BITBLT | M_DWG_SHIFTZERO | M_DWG_BFCOL | M_DWG_REPLACE); + mga_outl(M_SGN, 5); + mga_outl(M_AR5, -vxres); + width--; + end = (sy+height-1)*vxres+sx+curr_ydstorg(minfo); + start = end+width; + dy += height-1; + } + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_AR0, end); + mga_outl(M_AR3, start); + mga_outl(M_FXBNDRY, ((dx+width)<<16) | dx); + mga_outl(M_YDST, dy*vxres >> 5); + mga_outl(M_LEN | M_EXEC, height); + WaitTillIdle(); + + CRITEND +} + +static void matroxfb_cfb4_copyarea(struct fb_info* info, const struct fb_copyarea* area) { + struct matrox_fb_info *minfo = info2minfo(info); + + if ((area->sx | area->dx | area->width) & 1) + cfb_copyarea(info, area); + else + matrox_accel_bmove_lin(minfo, minfo->fbcon.var.xres_virtual >> 1, area->sy, area->sx >> 1, area->dy, area->dx >> 1, area->height, area->width >> 1); +} + +static void matroxfb_copyarea(struct fb_info* info, const struct fb_copyarea* area) { + struct matrox_fb_info *minfo = info2minfo(info); + + matrox_accel_bmove(minfo, minfo->fbcon.var.xres_virtual, area->sy, area->sx, area->dy, area->dx, area->height, area->width); +} + +static void matroxfb_accel_clear(struct matrox_fb_info *minfo, u_int32_t color, + int sy, int sx, int height, int width) +{ + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE); + mga_outl(M_FCOL, color); + mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); + mga_ydstlen(sy, height); + WaitTillIdle(); + + CRITEND +} + +static void matroxfb_fillrect(struct fb_info* info, const struct fb_fillrect* rect) { + struct matrox_fb_info *minfo = info2minfo(info); + + switch (rect->rop) { + case ROP_COPY: + matroxfb_accel_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width); + break; + } +} + +static void matroxfb_cfb4_clear(struct matrox_fb_info *minfo, u_int32_t bgx, + int sy, int sx, int height, int width) +{ + int whattodo; + CRITFLAGS + + DBG(__func__) + + CRITBEGIN + + whattodo = 0; + if (sx & 1) { + sx ++; + if (!width) return; + width --; + whattodo = 1; + } + if (width & 1) { + whattodo |= 2; + } + width >>= 1; + sx >>= 1; + if (width) { + mga_fifo(7); + matrox_accel_restore_maccess(minfo); + mga_outl(M_DWGCTL, minfo->accel.m_dwg_rect | M_DWG_REPLACE2); + mga_outl(M_FCOL, bgx); + mga_outl(M_FXBNDRY, ((sx + width) << 16) | sx); + mga_outl(M_YDST, sy * minfo->fbcon.var.xres_virtual >> 6); + mga_outl(M_LEN | M_EXEC, height); + WaitTillIdle(); + } + if (whattodo) { + u_int32_t step = minfo->fbcon.var.xres_virtual >> 1; + vaddr_t vbase = minfo->video.vbase; + if (whattodo & 1) { + unsigned int uaddr = sy * step + sx - 1; + u_int32_t loop; + u_int8_t bgx2 = bgx & 0xF0; + for (loop = height; loop > 0; loop --) { + mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0x0F) | bgx2); + uaddr += step; + } + } + if (whattodo & 2) { + unsigned int uaddr = sy * step + sx + width; + u_int32_t loop; + u_int8_t bgx2 = bgx & 0x0F; + for (loop = height; loop > 0; loop --) { + mga_writeb(vbase, uaddr, (mga_readb(vbase, uaddr) & 0xF0) | bgx2); + uaddr += step; + } + } + } + + CRITEND +} + +static void matroxfb_cfb4_fillrect(struct fb_info* info, const struct fb_fillrect* rect) { + struct matrox_fb_info *minfo = info2minfo(info); + + switch (rect->rop) { + case ROP_COPY: + matroxfb_cfb4_clear(minfo, ((u_int32_t *)info->pseudo_palette)[rect->color], rect->dy, rect->dx, rect->height, rect->width); + break; + } +} + +static void matroxfb_1bpp_imageblit(struct matrox_fb_info *minfo, u_int32_t fgx, + u_int32_t bgx, const u_int8_t *chardata, + int width, int height, int yy, int xx) +{ + u_int32_t step; + u_int32_t ydstlen; + u_int32_t xlen; + u_int32_t ar0; + u_int32_t charcell; + u_int32_t fxbndry; + vaddr_t mmio; + int easy; + CRITFLAGS + + DBG_HEAVY(__func__); + + step = (width + 7) >> 3; + charcell = height * step; + xlen = (charcell + 3) & ~3; + ydstlen = (yy << 16) | height; + if (width == step << 3) { + ar0 = height * width - 1; + easy = 1; + } else { + ar0 = width - 1; + easy = 0; + } + + CRITBEGIN + + mga_fifo(5); + matrox_accel_restore_maccess(minfo); + if (easy) + mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_LINEAR | M_DWG_REPLACE); + else + mga_outl(M_DWGCTL, M_DWG_ILOAD | M_DWG_SGNZERO | M_DWG_SHIFTZERO | M_DWG_BMONOWF | M_DWG_REPLACE); + mga_outl(M_FCOL, fgx); + mga_outl(M_BCOL, bgx); + fxbndry = ((xx + width - 1) << 16) | xx; + mmio = minfo->mmio.vbase; + + mga_fifo(8); + matrox_accel_restore_maccess(minfo); + mga_writel(mmio, M_FXBNDRY, fxbndry); + mga_writel(mmio, M_AR0, ar0); + mga_writel(mmio, M_AR3, 0); + if (easy) { + mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen); + mga_memcpy_toio(mmio, chardata, xlen); + } else { + mga_writel(mmio, M_AR5, 0); + mga_writel(mmio, M_YDSTLEN | M_EXEC, ydstlen); + if ((step & 3) == 0) { + /* Great. Source has 32bit aligned lines, so we can feed them + directly to the accelerator. */ + mga_memcpy_toio(mmio, chardata, charcell); + } else if (step == 1) { + /* Special case for 1..8bit widths */ + while (height--) { +#if defined(__BIG_ENDIAN) + fb_writel((*chardata) << 24, mmio.vaddr); +#else + fb_writel(*chardata, mmio.vaddr); +#endif + chardata++; + } + } else if (step == 2) { + /* Special case for 9..15bit widths */ + while (height--) { +#if defined(__BIG_ENDIAN) + fb_writel((*(u_int16_t*)chardata) << 16, mmio.vaddr); +#else + fb_writel(*(u_int16_t*)chardata, mmio.vaddr); +#endif + chardata += 2; + } + } else { + /* Tell... well, why bother... */ + while (height--) { + size_t i; + + for (i = 0; i < step; i += 4) { + /* Hope that there are at least three readable bytes beyond the end of bitmap */ + fb_writel(get_unaligned((u_int32_t*)(chardata + i)),mmio.vaddr); + } + chardata += step; + } + } + } + WaitTillIdle(); + CRITEND +} + + +static void matroxfb_imageblit(struct fb_info* info, const struct fb_image* image) { + struct matrox_fb_info *minfo = info2minfo(info); + + DBG_HEAVY(__func__); + + if (image->depth == 1) { + u_int32_t fgx, bgx; + + fgx = ((u_int32_t*)info->pseudo_palette)[image->fg_color]; + bgx = ((u_int32_t*)info->pseudo_palette)[image->bg_color]; + matroxfb_1bpp_imageblit(minfo, fgx, bgx, image->data, image->width, image->height, image->dy, image->dx); + } else { + /* Danger! image->depth is useless: logo painting code always + passes framebuffer color depth here, although logo data are + always 8bpp and info->pseudo_palette is changed to contain + logo palette to be used (but only for true/direct-color... sic...). + So do it completely in software... */ + cfb_imageblit(info, image); + } +} + +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_accel.h b/drivers/video/fbdev/matrox/matroxfb_accel.h new file mode 100644 index 000000000..a7aa9a1d2 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_accel.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_ACCEL_H__ +#define __MATROXFB_ACCEL_H__ + +#include "matroxfb_base.h" + +void matrox_cfbX_init(struct matrox_fb_info *minfo); + +#endif diff --git a/drivers/video/fbdev/matrox/matroxfb_base.c b/drivers/video/fbdev/matrox/matroxfb_base.c new file mode 100644 index 000000000..82f53e998 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_base.c @@ -0,0 +1,2614 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> + * + * Contributors: "menion?" <menion@mindless.com> + * Betatesting, fixes, ideas + * + * "Kurt Garloff" <garloff@suse.de> + * Betatesting, fixes, ideas, videomodes, videomodes timmings + * + * "Tom Rini" <trini@kernel.crashing.org> + * MTRR stuff, PPC cleanups, betatesting, fixes, ideas + * + * "Bibek Sahu" <scorpio@dodds.net> + * Access device through readb|w|l and write b|w|l + * Extensive debugging stuff + * + * "Daniel Haun" <haund@usa.net> + * Testing, hardware cursor fixes + * + * "Scott Wood" <sawst46+@pitt.edu> + * Fixes + * + * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> + * Betatesting + * + * "Kelly French" <targon@hazmat.com> + * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> + * Betatesting, bug reporting + * + * "Pablo Bianucci" <pbian@pccp.com.ar> + * Fixes, ideas, betatesting + * + * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> + * Fixes, enhandcements, ideas, betatesting + * + * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> + * PPC betatesting, PPC support, backward compatibility + * + * "Paul Womar" <Paul@pwomar.demon.co.uk> + * "Owen Waller" <O.Waller@ee.qub.ac.uk> + * PPC betatesting + * + * "Thomas Pornin" <pornin@bolet.ens.fr> + * Alpha betatesting + * + * "Pieter van Leuven" <pvl@iae.nl> + * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> + * G100 testing + * + * "H. Peter Arvin" <hpa@transmeta.com> + * Ideas + * + * "Cort Dougan" <cort@cs.nmt.edu> + * CHRP fixes and PReP cleanup + * + * "Mark Vojkovich" <mvojkovi@ucsd.edu> + * G400 support + * + * "Samuel Hocevar" <sam@via.ecp.fr> + * Fixes + * + * "Anton Altaparmakov" <AntonA@bigfoot.com> + * G400 MAX/non-MAX distinction + * + * "Ken Aaker" <kdaaker@rchland.vnet.ibm.com> + * memtype extension (needed for GXT130P RS/6000 adapter) + * + * "Uns Lider" <unslider@miranda.org> + * G100 PLNWT fixes + * + * "Denis Zaitsev" <zzz@cd-club.ru> + * Fixes + * + * "Mike Pieper" <mike@pieper-family.de> + * TVOut enhandcements, V4L2 control interface. + * + * "Diego Biurrun" <diego@biurrun.de> + * DFP testing + * + * (following author is not in any relation with this code, but his code + * is included in this driver) + * + * Based on framebuffer driver for VBE 2.0 compliant graphic boards + * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> + * + * (following author is not in any relation with this code, but his ideas + * were used when writing this driver) + * + * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> + * + */ + +#include <linux/aperture.h> +#include <linux/version.h> + +#include "matroxfb_base.h" +#include "matroxfb_misc.h" +#include "matroxfb_accel.h" +#include "matroxfb_DAC1064.h" +#include "matroxfb_Ti3026.h" +#include "matroxfb_maven.h" +#include "matroxfb_crtc2.h" +#include "matroxfb_g450.h" +#include <linux/matroxfb.h> +#include <linux/interrupt.h> +#include <linux/nvram.h> +#include <linux/slab.h> +#include <linux/uaccess.h> + +#ifdef CONFIG_PPC_PMAC +#include <asm/machdep.h> +static int default_vmode = VMODE_NVRAM; +static int default_cmode = CMODE_NVRAM; +#endif + +static void matroxfb_unregister_device(struct matrox_fb_info* minfo); + +/* --------------------------------------------------------------------- */ + +/* + * card parameters + */ + +/* --------------------------------------------------------------------- */ + +static struct fb_var_screeninfo vesafb_defined = { + 640,480,640,480,/* W,H, W, H (virtual) load xres,xres_virtual*/ + 0,0, /* virtual -> visible no offset */ + 8, /* depth -> load bits_per_pixel */ + 0, /* greyscale ? */ + {0,0,0}, /* R */ + {0,0,0}, /* G */ + {0,0,0}, /* B */ + {0,0,0}, /* transparency */ + 0, /* standard pixel format */ + FB_ACTIVATE_NOW, + -1,-1, + FB_ACCELF_TEXT, /* accel flags */ + 39721L,48L,16L,33L,10L, + 96L,2L,~0, /* No sync info */ + FB_VMODE_NONINTERLACED, +}; + + + +/* --------------------------------------------------------------------- */ +static void update_crtc2(struct matrox_fb_info *minfo, unsigned int pos) +{ + struct matroxfb_dh_fb_info *info = minfo->crtc2.info; + + /* Make sure that displays are compatible */ + if (info && (info->fbcon.var.bits_per_pixel == minfo->fbcon.var.bits_per_pixel) + && (info->fbcon.var.xres_virtual == minfo->fbcon.var.xres_virtual) + && (info->fbcon.var.green.length == minfo->fbcon.var.green.length) + ) { + switch (minfo->fbcon.var.bits_per_pixel) { + case 16: + case 32: + pos = pos * 8; + if (info->interlaced) { + mga_outl(0x3C2C, pos); + mga_outl(0x3C28, pos + minfo->fbcon.var.xres_virtual * minfo->fbcon.var.bits_per_pixel / 8); + } else { + mga_outl(0x3C28, pos); + } + break; + } + } +} + +static void matroxfb_crtc1_panpos(struct matrox_fb_info *minfo) +{ + if (minfo->crtc1.panpos >= 0) { + unsigned long flags; + int panpos; + + matroxfb_DAC_lock_irqsave(flags); + panpos = minfo->crtc1.panpos; + if (panpos >= 0) { + unsigned int extvga_reg; + + minfo->crtc1.panpos = -1; /* No update pending anymore */ + extvga_reg = mga_inb(M_EXTVGA_INDEX); + mga_setr(M_EXTVGA_INDEX, 0x00, panpos); + if (extvga_reg != 0x00) { + mga_outb(M_EXTVGA_INDEX, extvga_reg); + } + } + matroxfb_DAC_unlock_irqrestore(flags); + } +} + +static irqreturn_t matrox_irq(int irq, void *dev_id) +{ + u_int32_t status; + int handled = 0; + struct matrox_fb_info *minfo = dev_id; + + status = mga_inl(M_STATUS); + + if (status & 0x20) { + mga_outl(M_ICLEAR, 0x20); + minfo->crtc1.vsync.cnt++; + matroxfb_crtc1_panpos(minfo); + wake_up_interruptible(&minfo->crtc1.vsync.wait); + handled = 1; + } + if (status & 0x200) { + mga_outl(M_ICLEAR, 0x200); + minfo->crtc2.vsync.cnt++; + wake_up_interruptible(&minfo->crtc2.vsync.wait); + handled = 1; + } + return IRQ_RETVAL(handled); +} + +int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable) +{ + u_int32_t bm; + + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) + bm = 0x220; + else + bm = 0x020; + + if (!test_and_set_bit(0, &minfo->irq_flags)) { + if (request_irq(minfo->pcidev->irq, matrox_irq, + IRQF_SHARED, "matroxfb", minfo)) { + clear_bit(0, &minfo->irq_flags); + return -EINVAL; + } + /* Clear any pending field interrupts */ + mga_outl(M_ICLEAR, bm); + mga_outl(M_IEN, mga_inl(M_IEN) | bm); + } else if (reenable) { + u_int32_t ien; + + ien = mga_inl(M_IEN); + if ((ien & bm) != bm) { + printk(KERN_DEBUG "matroxfb: someone disabled IRQ [%08X]\n", ien); + mga_outl(M_IEN, ien | bm); + } + } + return 0; +} + +static void matroxfb_disable_irq(struct matrox_fb_info *minfo) +{ + if (test_and_clear_bit(0, &minfo->irq_flags)) { + /* Flush pending pan-at-vbl request... */ + matroxfb_crtc1_panpos(minfo); + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) + mga_outl(M_IEN, mga_inl(M_IEN) & ~0x220); + else + mga_outl(M_IEN, mga_inl(M_IEN) & ~0x20); + free_irq(minfo->pcidev->irq, minfo); + } +} + +int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc) +{ + struct matrox_vsync *vs; + unsigned int cnt; + int ret; + + switch (crtc) { + case 0: + vs = &minfo->crtc1.vsync; + break; + case 1: + if (minfo->devflags.accelerator != FB_ACCEL_MATROX_MGAG400) { + return -ENODEV; + } + vs = &minfo->crtc2.vsync; + break; + default: + return -ENODEV; + } + ret = matroxfb_enable_irq(minfo, 0); + if (ret) { + return ret; + } + + cnt = vs->cnt; + ret = wait_event_interruptible_timeout(vs->wait, cnt != vs->cnt, HZ/10); + if (ret < 0) { + return ret; + } + if (ret == 0) { + matroxfb_enable_irq(minfo, 1); + return -ETIMEDOUT; + } + return 0; +} + +/* --------------------------------------------------------------------- */ + +static void matrox_pan_var(struct matrox_fb_info *minfo, + struct fb_var_screeninfo *var) +{ + unsigned int pos; + unsigned short p0, p1, p2; + unsigned int p3; + int vbl; + unsigned long flags; + + CRITFLAGS + + DBG(__func__) + + if (minfo->dead) + return; + + minfo->fbcon.var.xoffset = var->xoffset; + minfo->fbcon.var.yoffset = var->yoffset; + pos = (minfo->fbcon.var.yoffset * minfo->fbcon.var.xres_virtual + minfo->fbcon.var.xoffset) * minfo->curr.final_bppShift / 32; + pos += minfo->curr.ydstorg.chunks; + p0 = minfo->hw.CRTC[0x0D] = pos & 0xFF; + p1 = minfo->hw.CRTC[0x0C] = (pos & 0xFF00) >> 8; + p2 = minfo->hw.CRTCEXT[0] = (minfo->hw.CRTCEXT[0] & 0xB0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); + p3 = minfo->hw.CRTCEXT[8] = pos >> 21; + + /* FB_ACTIVATE_VBL and we can acquire interrupts? Honor FB_ACTIVATE_VBL then... */ + vbl = (var->activate & FB_ACTIVATE_VBL) && (matroxfb_enable_irq(minfo, 0) == 0); + + CRITBEGIN + + matroxfb_DAC_lock_irqsave(flags); + mga_setr(M_CRTC_INDEX, 0x0D, p0); + mga_setr(M_CRTC_INDEX, 0x0C, p1); + if (minfo->devflags.support32MB) + mga_setr(M_EXTVGA_INDEX, 0x08, p3); + if (vbl) { + minfo->crtc1.panpos = p2; + } else { + /* Abort any pending change */ + minfo->crtc1.panpos = -1; + mga_setr(M_EXTVGA_INDEX, 0x00, p2); + } + matroxfb_DAC_unlock_irqrestore(flags); + + update_crtc2(minfo, pos); + + CRITEND +} + +static void matroxfb_remove(struct matrox_fb_info *minfo, int dummy) +{ + /* Currently we are holding big kernel lock on all dead & usecount updates. + * Destroy everything after all users release it. Especially do not unregister + * framebuffer and iounmap memory, neither fbmem nor fbcon-cfb* does not check + * for device unplugged when in use. + * In future we should point mmio.vbase & video.vbase somewhere where we can + * write data without causing too much damage... + */ + + minfo->dead = 1; + if (minfo->usecount) { + /* destroy it later */ + return; + } + matroxfb_unregister_device(minfo); + unregister_framebuffer(&minfo->fbcon); + matroxfb_g450_shutdown(minfo); + arch_phys_wc_del(minfo->wc_cookie); + iounmap(minfo->mmio.vbase.vaddr); + iounmap(minfo->video.vbase.vaddr); + release_mem_region(minfo->video.base, minfo->video.len_maximum); + release_mem_region(minfo->mmio.base, 16384); + kfree(minfo); +} + + /* + * Open/Release the frame buffer device + */ + +static int matroxfb_open(struct fb_info *info, int user) +{ + struct matrox_fb_info *minfo = info2minfo(info); + + DBG_LOOP(__func__) + + if (minfo->dead) { + return -ENXIO; + } + minfo->usecount++; + if (user) { + minfo->userusecount++; + } + return(0); +} + +static int matroxfb_release(struct fb_info *info, int user) +{ + struct matrox_fb_info *minfo = info2minfo(info); + + DBG_LOOP(__func__) + + if (user) { + if (0 == --minfo->userusecount) { + matroxfb_disable_irq(minfo); + } + } + if (!(--minfo->usecount) && minfo->dead) { + matroxfb_remove(minfo, 0); + } + return(0); +} + +static int matroxfb_pan_display(struct fb_var_screeninfo *var, + struct fb_info* info) { + struct matrox_fb_info *minfo = info2minfo(info); + + DBG(__func__) + + matrox_pan_var(minfo, var); + return 0; +} + +static int matroxfb_get_final_bppShift(const struct matrox_fb_info *minfo, + int bpp) +{ + int bppshft2; + + DBG(__func__) + + bppshft2 = bpp; + if (!bppshft2) { + return 8; + } + if (isInterleave(minfo)) + bppshft2 >>= 1; + if (minfo->devflags.video64bits) + bppshft2 >>= 1; + return bppshft2; +} + +static int matroxfb_test_and_set_rounding(const struct matrox_fb_info *minfo, + int xres, int bpp) +{ + int over; + int rounding; + + DBG(__func__) + + switch (bpp) { + case 0: return xres; + case 4: rounding = 128; + break; + case 8: rounding = 64; /* doc says 64; 32 is OK for G400 */ + break; + case 16: rounding = 32; + break; + case 24: rounding = 64; /* doc says 64; 32 is OK for G400 */ + break; + default: rounding = 16; + /* on G400, 16 really does not work */ + if (minfo->devflags.accelerator == FB_ACCEL_MATROX_MGAG400) + rounding = 32; + break; + } + if (isInterleave(minfo)) { + rounding *= 2; + } + over = xres % rounding; + if (over) + xres += rounding-over; + return xres; +} + +static int matroxfb_pitch_adjust(const struct matrox_fb_info *minfo, int xres, + int bpp) +{ + const int* width; + int xres_new; + + DBG(__func__) + + if (!bpp) return xres; + + width = minfo->capable.vxres; + + if (minfo->devflags.precise_width) { + while (*width) { + if ((*width >= xres) && (matroxfb_test_and_set_rounding(minfo, *width, bpp) == *width)) { + break; + } + width++; + } + xres_new = *width; + } else { + xres_new = matroxfb_test_and_set_rounding(minfo, xres, bpp); + } + return xres_new; +} + +static int matroxfb_get_cmap_len(struct fb_var_screeninfo *var) { + + DBG(__func__) + + switch (var->bits_per_pixel) { + case 4: + return 16; /* pseudocolor... 16 entries HW palette */ + case 8: + return 256; /* pseudocolor... 256 entries HW palette */ + case 16: + return 16; /* directcolor... 16 entries SW palette */ + /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ + case 24: + return 16; /* directcolor... 16 entries SW palette */ + /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ + case 32: + return 16; /* directcolor... 16 entries SW palette */ + /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ + } + return 16; /* return something reasonable... or panic()? */ +} + +static int matroxfb_decode_var(const struct matrox_fb_info *minfo, + struct fb_var_screeninfo *var, int *visual, + int *video_cmap_len, unsigned int* ydstorg) +{ + struct RGBT { + unsigned char bpp; + struct { + unsigned char offset, + length; + } red, + green, + blue, + transp; + signed char visual; + }; + static const struct RGBT table[]= { + { 8,{ 0,8},{0,8},{0,8},{ 0,0},MX_VISUAL_PSEUDOCOLOR}, + {15,{10,5},{5,5},{0,5},{15,1},MX_VISUAL_DIRECTCOLOR}, + {16,{11,5},{5,6},{0,5},{ 0,0},MX_VISUAL_DIRECTCOLOR}, + {24,{16,8},{8,8},{0,8},{ 0,0},MX_VISUAL_DIRECTCOLOR}, + {32,{16,8},{8,8},{0,8},{24,8},MX_VISUAL_DIRECTCOLOR} + }; + struct RGBT const *rgbt; + unsigned int bpp = var->bits_per_pixel; + unsigned int vramlen; + unsigned int memlen; + + DBG(__func__) + + switch (bpp) { + case 4: if (!minfo->capable.cfb4) return -EINVAL; + break; + case 8: break; + case 16: break; + case 24: break; + case 32: break; + default: return -EINVAL; + } + *ydstorg = 0; + vramlen = minfo->video.len_usable; + if (var->yres_virtual < var->yres) + var->yres_virtual = var->yres; + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + + var->xres_virtual = matroxfb_pitch_adjust(minfo, var->xres_virtual, bpp); + memlen = var->xres_virtual * bpp * var->yres_virtual / 8; + if (memlen > vramlen) { + var->yres_virtual = vramlen * 8 / (var->xres_virtual * bpp); + memlen = var->xres_virtual * bpp * var->yres_virtual / 8; + } + /* There is hardware bug that no line can cross 4MB boundary */ + /* give up for CFB24, it is impossible to easy workaround it */ + /* for other try to do something */ + if (!minfo->capable.cross4MB && (memlen > 0x400000)) { + if (bpp == 24) { + /* sorry */ + } else { + unsigned int linelen; + unsigned int m1 = linelen = var->xres_virtual * bpp / 8; + unsigned int m2 = PAGE_SIZE; /* or 128 if you do not need PAGE ALIGNED address */ + unsigned int max_yres; + + while (m1) { + while (m2 >= m1) m2 -= m1; + swap(m1, m2); + } + m2 = linelen * PAGE_SIZE / m2; + *ydstorg = m2 = 0x400000 % m2; + max_yres = (vramlen - m2) / linelen; + if (var->yres_virtual > max_yres) + var->yres_virtual = max_yres; + } + } + /* YDSTLEN contains only signed 16bit value */ + if (var->yres_virtual > 32767) + var->yres_virtual = 32767; + /* we must round yres/xres down, we already rounded y/xres_virtual up + if it was possible. We should return -EINVAL, but I disagree */ + if (var->yres_virtual < var->yres) + var->yres = var->yres_virtual; + if (var->xres_virtual < var->xres) + var->xres = var->xres_virtual; + if (var->xoffset + var->xres > var->xres_virtual) + var->xoffset = var->xres_virtual - var->xres; + if (var->yoffset + var->yres > var->yres_virtual) + var->yoffset = var->yres_virtual - var->yres; + + if (bpp == 16 && var->green.length == 5) { + bpp--; /* an artificial value - 15 */ + } + + for (rgbt = table; rgbt->bpp < bpp; rgbt++); +#define SETCLR(clr)\ + var->clr.offset = rgbt->clr.offset;\ + var->clr.length = rgbt->clr.length + SETCLR(red); + SETCLR(green); + SETCLR(blue); + SETCLR(transp); +#undef SETCLR + *visual = rgbt->visual; + + if (bpp > 8) + dprintk("matroxfb: truecolor: " + "size=%d:%d:%d:%d, shift=%d:%d:%d:%d\n", + var->transp.length, var->red.length, var->green.length, var->blue.length, + var->transp.offset, var->red.offset, var->green.offset, var->blue.offset); + + *video_cmap_len = matroxfb_get_cmap_len(var); + dprintk(KERN_INFO "requested %d*%d/%dbpp (%d*%d)\n", var->xres, var->yres, var->bits_per_pixel, + var->xres_virtual, var->yres_virtual); + return 0; +} + +static int matroxfb_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, + struct fb_info *fb_info) +{ + struct matrox_fb_info* minfo = container_of(fb_info, struct matrox_fb_info, fbcon); + + DBG(__func__) + + /* + * Set a single color register. The values supplied are + * already rounded down to the hardware's capabilities + * (according to the entries in the `var' structure). Return + * != 0 for invalid regno. + */ + + if (regno >= minfo->curr.cmap_len) + return 1; + + if (minfo->fbcon.var.grayscale) { + /* gray = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + + red = CNVT_TOHW(red, minfo->fbcon.var.red.length); + green = CNVT_TOHW(green, minfo->fbcon.var.green.length); + blue = CNVT_TOHW(blue, minfo->fbcon.var.blue.length); + transp = CNVT_TOHW(transp, minfo->fbcon.var.transp.length); + + switch (minfo->fbcon.var.bits_per_pixel) { + case 4: + case 8: + mga_outb(M_DAC_REG, regno); + mga_outb(M_DAC_VAL, red); + mga_outb(M_DAC_VAL, green); + mga_outb(M_DAC_VAL, blue); + break; + case 16: + if (regno >= 16) + break; + { + u_int16_t col = + (red << minfo->fbcon.var.red.offset) | + (green << minfo->fbcon.var.green.offset) | + (blue << minfo->fbcon.var.blue.offset) | + (transp << minfo->fbcon.var.transp.offset); /* for 1:5:5:5 */ + minfo->cmap[regno] = col | (col << 16); + } + break; + case 24: + case 32: + if (regno >= 16) + break; + minfo->cmap[regno] = + (red << minfo->fbcon.var.red.offset) | + (green << minfo->fbcon.var.green.offset) | + (blue << minfo->fbcon.var.blue.offset) | + (transp << minfo->fbcon.var.transp.offset); /* 8:8:8:8 */ + break; + } + return 0; +} + +static void matroxfb_init_fix(struct matrox_fb_info *minfo) +{ + struct fb_fix_screeninfo *fix = &minfo->fbcon.fix; + DBG(__func__) + + strcpy(fix->id,"MATROX"); + + fix->xpanstep = 8; /* 8 for 8bpp, 4 for 16bpp, 2 for 32bpp */ + fix->ypanstep = 1; + fix->ywrapstep = 0; + fix->mmio_start = minfo->mmio.base; + fix->mmio_len = minfo->mmio.len; + fix->accel = minfo->devflags.accelerator; +} + +static void matroxfb_update_fix(struct matrox_fb_info *minfo) +{ + struct fb_fix_screeninfo *fix = &minfo->fbcon.fix; + DBG(__func__) + + mutex_lock(&minfo->fbcon.mm_lock); + fix->smem_start = minfo->video.base + minfo->curr.ydstorg.bytes; + fix->smem_len = minfo->video.len_usable - minfo->curr.ydstorg.bytes; + mutex_unlock(&minfo->fbcon.mm_lock); +} + +static int matroxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + int err; + int visual; + int cmap_len; + unsigned int ydstorg; + struct matrox_fb_info *minfo = info2minfo(info); + + if (minfo->dead) { + return -ENXIO; + } + if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0) + return err; + return 0; +} + +static int matroxfb_set_par(struct fb_info *info) +{ + int err; + int visual; + int cmap_len; + unsigned int ydstorg; + struct fb_var_screeninfo *var; + struct matrox_fb_info *minfo = info2minfo(info); + + DBG(__func__) + + if (minfo->dead) { + return -ENXIO; + } + + var = &info->var; + if ((err = matroxfb_decode_var(minfo, var, &visual, &cmap_len, &ydstorg)) != 0) + return err; + minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase) + ydstorg; + matroxfb_update_fix(minfo); + minfo->fbcon.fix.visual = visual; + minfo->fbcon.fix.type = FB_TYPE_PACKED_PIXELS; + minfo->fbcon.fix.type_aux = 0; + minfo->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; + { + unsigned int pos; + + minfo->curr.cmap_len = cmap_len; + ydstorg += minfo->devflags.ydstorg; + minfo->curr.ydstorg.bytes = ydstorg; + minfo->curr.ydstorg.chunks = ydstorg >> (isInterleave(minfo) ? 3 : 2); + if (var->bits_per_pixel == 4) + minfo->curr.ydstorg.pixels = ydstorg; + else + minfo->curr.ydstorg.pixels = (ydstorg * 8) / var->bits_per_pixel; + minfo->curr.final_bppShift = matroxfb_get_final_bppShift(minfo, var->bits_per_pixel); + { struct my_timming mt; + struct matrox_hw_state* hw; + int out; + + matroxfb_var2my(var, &mt); + mt.crtc = MATROXFB_SRC_CRTC1; + /* CRTC1 delays */ + switch (var->bits_per_pixel) { + case 0: mt.delay = 31 + 0; break; + case 16: mt.delay = 21 + 8; break; + case 24: mt.delay = 17 + 8; break; + case 32: mt.delay = 16 + 8; break; + default: mt.delay = 31 + 8; break; + } + + hw = &minfo->hw; + + down_read(&minfo->altout.lock); + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && + minfo->outputs[out].output->compute) { + minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt); + } + } + up_read(&minfo->altout.lock); + minfo->crtc1.pixclock = mt.pixclock; + minfo->crtc1.mnp = mt.mnp; + minfo->hw_switch->init(minfo, &mt); + pos = (var->yoffset * var->xres_virtual + var->xoffset) * minfo->curr.final_bppShift / 32; + pos += minfo->curr.ydstorg.chunks; + + hw->CRTC[0x0D] = pos & 0xFF; + hw->CRTC[0x0C] = (pos & 0xFF00) >> 8; + hw->CRTCEXT[0] = (hw->CRTCEXT[0] & 0xF0) | ((pos >> 16) & 0x0F) | ((pos >> 14) & 0x40); + hw->CRTCEXT[8] = pos >> 21; + minfo->hw_switch->restore(minfo); + update_crtc2(minfo, pos); + down_read(&minfo->altout.lock); + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && + minfo->outputs[out].output->program) { + minfo->outputs[out].output->program(minfo->outputs[out].data); + } + } + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC1 && + minfo->outputs[out].output->start) { + minfo->outputs[out].output->start(minfo->outputs[out].data); + } + } + up_read(&minfo->altout.lock); + matrox_cfbX_init(minfo); + } + } + minfo->initialized = 1; + return 0; +} + +static int matroxfb_get_vblank(struct matrox_fb_info *minfo, + struct fb_vblank *vblank) +{ + unsigned int sts1; + + matroxfb_enable_irq(minfo, 0); + memset(vblank, 0, sizeof(*vblank)); + vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VSYNC | + FB_VBLANK_HAVE_VBLANK | FB_VBLANK_HAVE_HBLANK; + sts1 = mga_inb(M_INSTS1); + vblank->vcount = mga_inl(M_VCOUNT); + /* BTW, on my PIII/450 with G400, reading M_INSTS1 + byte makes this call about 12% slower (1.70 vs. 2.05 us + per ioctl()) */ + if (sts1 & 1) + vblank->flags |= FB_VBLANK_HBLANKING; + if (sts1 & 8) + vblank->flags |= FB_VBLANK_VSYNCING; + if (vblank->vcount >= minfo->fbcon.var.yres) + vblank->flags |= FB_VBLANK_VBLANKING; + if (test_bit(0, &minfo->irq_flags)) { + vblank->flags |= FB_VBLANK_HAVE_COUNT; + /* Only one writer, aligned int value... + it should work without lock and without atomic_t */ + vblank->count = minfo->crtc1.vsync.cnt; + } + return 0; +} + +static struct matrox_altout panellink_output = { + .name = "Panellink output", +}; + +static int matroxfb_ioctl(struct fb_info *info, + unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + struct matrox_fb_info *minfo = info2minfo(info); + + DBG(__func__) + + if (minfo->dead) { + return -ENXIO; + } + + switch (cmd) { + case FBIOGET_VBLANK: + { + struct fb_vblank vblank; + int err; + + err = matroxfb_get_vblank(minfo, &vblank); + if (err) + return err; + if (copy_to_user(argp, &vblank, sizeof(vblank))) + return -EFAULT; + return 0; + } + case FBIO_WAITFORVSYNC: + { + u_int32_t crt; + + if (get_user(crt, (u_int32_t __user *)arg)) + return -EFAULT; + + return matroxfb_wait_for_sync(minfo, crt); + } + case MATROXFB_SET_OUTPUT_MODE: + { + struct matroxioc_output_mode mom; + struct matrox_altout *oproc; + int val; + + if (copy_from_user(&mom, argp, sizeof(mom))) + return -EFAULT; + if (mom.output >= MATROXFB_MAX_OUTPUTS) + return -ENXIO; + down_read(&minfo->altout.lock); + oproc = minfo->outputs[mom.output].output; + if (!oproc) { + val = -ENXIO; + } else if (!oproc->verifymode) { + if (mom.mode == MATROXFB_OUTPUT_MODE_MONITOR) { + val = 0; + } else { + val = -EINVAL; + } + } else { + val = oproc->verifymode(minfo->outputs[mom.output].data, mom.mode); + } + if (!val) { + if (minfo->outputs[mom.output].mode != mom.mode) { + minfo->outputs[mom.output].mode = mom.mode; + val = 1; + } + } + up_read(&minfo->altout.lock); + if (val != 1) + return val; + switch (minfo->outputs[mom.output].src) { + case MATROXFB_SRC_CRTC1: + matroxfb_set_par(info); + break; + case MATROXFB_SRC_CRTC2: + { + struct matroxfb_dh_fb_info* crtc2; + + down_read(&minfo->crtc2.lock); + crtc2 = minfo->crtc2.info; + if (crtc2) + crtc2->fbcon.fbops->fb_set_par(&crtc2->fbcon); + up_read(&minfo->crtc2.lock); + } + break; + } + return 0; + } + case MATROXFB_GET_OUTPUT_MODE: + { + struct matroxioc_output_mode mom; + struct matrox_altout *oproc; + int val; + + if (copy_from_user(&mom, argp, sizeof(mom))) + return -EFAULT; + if (mom.output >= MATROXFB_MAX_OUTPUTS) + return -ENXIO; + down_read(&minfo->altout.lock); + oproc = minfo->outputs[mom.output].output; + if (!oproc) { + val = -ENXIO; + } else { + mom.mode = minfo->outputs[mom.output].mode; + val = 0; + } + up_read(&minfo->altout.lock); + if (val) + return val; + if (copy_to_user(argp, &mom, sizeof(mom))) + return -EFAULT; + return 0; + } + case MATROXFB_SET_OUTPUT_CONNECTION: + { + u_int32_t tmp; + int i; + int changes; + + if (copy_from_user(&tmp, argp, sizeof(tmp))) + return -EFAULT; + for (i = 0; i < 32; i++) { + if (tmp & (1 << i)) { + if (i >= MATROXFB_MAX_OUTPUTS) + return -ENXIO; + if (!minfo->outputs[i].output) + return -ENXIO; + switch (minfo->outputs[i].src) { + case MATROXFB_SRC_NONE: + case MATROXFB_SRC_CRTC1: + break; + default: + return -EBUSY; + } + } + } + if (minfo->devflags.panellink) { + if (tmp & MATROXFB_OUTPUT_CONN_DFP) { + if (tmp & MATROXFB_OUTPUT_CONN_SECONDARY) + return -EINVAL; + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + if (minfo->outputs[i].src == MATROXFB_SRC_CRTC2) { + return -EBUSY; + } + } + } + } + changes = 0; + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + if (tmp & (1 << i)) { + if (minfo->outputs[i].src != MATROXFB_SRC_CRTC1) { + changes = 1; + minfo->outputs[i].src = MATROXFB_SRC_CRTC1; + } + } else if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) { + changes = 1; + minfo->outputs[i].src = MATROXFB_SRC_NONE; + } + } + if (!changes) + return 0; + matroxfb_set_par(info); + return 0; + } + case MATROXFB_GET_OUTPUT_CONNECTION: + { + u_int32_t conn = 0; + int i; + + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + if (minfo->outputs[i].src == MATROXFB_SRC_CRTC1) { + conn |= 1 << i; + } + } + if (put_user(conn, (u_int32_t __user *)arg)) + return -EFAULT; + return 0; + } + case MATROXFB_GET_AVAILABLE_OUTPUTS: + { + u_int32_t conn = 0; + int i; + + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + if (minfo->outputs[i].output) { + switch (minfo->outputs[i].src) { + case MATROXFB_SRC_NONE: + case MATROXFB_SRC_CRTC1: + conn |= 1 << i; + break; + } + } + } + if (minfo->devflags.panellink) { + if (conn & MATROXFB_OUTPUT_CONN_DFP) + conn &= ~MATROXFB_OUTPUT_CONN_SECONDARY; + if (conn & MATROXFB_OUTPUT_CONN_SECONDARY) + conn &= ~MATROXFB_OUTPUT_CONN_DFP; + } + if (put_user(conn, (u_int32_t __user *)arg)) + return -EFAULT; + return 0; + } + case MATROXFB_GET_ALL_OUTPUTS: + { + u_int32_t conn = 0; + int i; + + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + if (minfo->outputs[i].output) { + conn |= 1 << i; + } + } + if (put_user(conn, (u_int32_t __user *)arg)) + return -EFAULT; + return 0; + } + case VIDIOC_QUERYCAP: + { + struct v4l2_capability r; + + memset(&r, 0, sizeof(r)); + strcpy(r.driver, "matroxfb"); + strcpy(r.card, "Matrox"); + sprintf(r.bus_info, "PCI:%s", pci_name(minfo->pcidev)); + r.version = KERNEL_VERSION(1,0,0); + r.capabilities = V4L2_CAP_VIDEO_OUTPUT; + if (copy_to_user(argp, &r, sizeof(r))) + return -EFAULT; + return 0; + + } + case VIDIOC_QUERYCTRL: + { + struct v4l2_queryctrl qctrl; + int err; + + if (copy_from_user(&qctrl, argp, sizeof(qctrl))) + return -EFAULT; + + down_read(&minfo->altout.lock); + if (!minfo->outputs[1].output) { + err = -ENXIO; + } else if (minfo->outputs[1].output->getqueryctrl) { + err = minfo->outputs[1].output->getqueryctrl(minfo->outputs[1].data, &qctrl); + } else { + err = -EINVAL; + } + up_read(&minfo->altout.lock); + if (err >= 0 && + copy_to_user(argp, &qctrl, sizeof(qctrl))) + return -EFAULT; + return err; + } + case VIDIOC_G_CTRL: + { + struct v4l2_control ctrl; + int err; + + if (copy_from_user(&ctrl, argp, sizeof(ctrl))) + return -EFAULT; + + down_read(&minfo->altout.lock); + if (!minfo->outputs[1].output) { + err = -ENXIO; + } else if (minfo->outputs[1].output->getctrl) { + err = minfo->outputs[1].output->getctrl(minfo->outputs[1].data, &ctrl); + } else { + err = -EINVAL; + } + up_read(&minfo->altout.lock); + if (err >= 0 && + copy_to_user(argp, &ctrl, sizeof(ctrl))) + return -EFAULT; + return err; + } + case VIDIOC_S_CTRL: + { + struct v4l2_control ctrl; + int err; + + if (copy_from_user(&ctrl, argp, sizeof(ctrl))) + return -EFAULT; + + down_read(&minfo->altout.lock); + if (!minfo->outputs[1].output) { + err = -ENXIO; + } else if (minfo->outputs[1].output->setctrl) { + err = minfo->outputs[1].output->setctrl(minfo->outputs[1].data, &ctrl); + } else { + err = -EINVAL; + } + up_read(&minfo->altout.lock); + return err; + } + } + return -ENOTTY; +} + +/* 0 unblank, 1 blank, 2 no vsync, 3 no hsync, 4 off */ + +static int matroxfb_blank(int blank, struct fb_info *info) +{ + int seq; + int crtc; + CRITFLAGS + struct matrox_fb_info *minfo = info2minfo(info); + + DBG(__func__) + + if (minfo->dead) + return 1; + + switch (blank) { + case FB_BLANK_NORMAL: seq = 0x20; crtc = 0x00; break; /* works ??? */ + case FB_BLANK_VSYNC_SUSPEND: seq = 0x20; crtc = 0x10; break; + case FB_BLANK_HSYNC_SUSPEND: seq = 0x20; crtc = 0x20; break; + case FB_BLANK_POWERDOWN: seq = 0x20; crtc = 0x30; break; + default: seq = 0x00; crtc = 0x00; break; + } + + CRITBEGIN + + mga_outb(M_SEQ_INDEX, 1); + mga_outb(M_SEQ_DATA, (mga_inb(M_SEQ_DATA) & ~0x20) | seq); + mga_outb(M_EXTVGA_INDEX, 1); + mga_outb(M_EXTVGA_DATA, (mga_inb(M_EXTVGA_DATA) & ~0x30) | crtc); + + CRITEND + return 0; +} + +static const struct fb_ops matroxfb_ops = { + .owner = THIS_MODULE, + .fb_open = matroxfb_open, + .fb_release = matroxfb_release, + .fb_check_var = matroxfb_check_var, + .fb_set_par = matroxfb_set_par, + .fb_setcolreg = matroxfb_setcolreg, + .fb_pan_display =matroxfb_pan_display, + .fb_blank = matroxfb_blank, + .fb_ioctl = matroxfb_ioctl, +/* .fb_fillrect = <set by matrox_cfbX_init>, */ +/* .fb_copyarea = <set by matrox_cfbX_init>, */ +/* .fb_imageblit = <set by matrox_cfbX_init>, */ +/* .fb_cursor = <set by matrox_cfbX_init>, */ +}; + +#define RSDepth(X) (((X) >> 8) & 0x0F) +#define RS8bpp 0x1 +#define RS15bpp 0x2 +#define RS16bpp 0x3 +#define RS32bpp 0x4 +#define RS4bpp 0x5 +#define RS24bpp 0x6 +#define RSText 0x7 +#define RSText8 0x8 +/* 9-F */ +static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = { + { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 }, + { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 }, + { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 }, + { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 24, 8, 0}, 32 }, + { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 4 }, + { { 16, 8, 0}, { 8, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 24 }, + { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode with (default) VGA8x16 */ + { { 0, 6, 0}, { 0, 6, 0}, { 0, 6, 0}, { 0, 0, 0}, 0 }, /* textmode hardwired to VGA8x8 */ +}; + +/* initialized by setup, see explanation at end of file (search for MODULE_PARM_DESC) */ +static unsigned int mem; /* "matroxfb:mem:xxxxxM" */ +static int option_precise_width = 1; /* cannot be changed, option_precise_width==0 must imply noaccel */ +static int inv24; /* "matroxfb:inv24" */ +static int cross4MB = -1; /* "matroxfb:cross4MB" */ +static int disabled; /* "matroxfb:disabled" */ +static int noaccel; /* "matroxfb:noaccel" */ +static int nopan; /* "matroxfb:nopan" */ +static int no_pci_retry; /* "matroxfb:nopciretry" */ +static int novga; /* "matroxfb:novga" */ +static int nobios; /* "matroxfb:nobios" */ +static int noinit = 1; /* "matroxfb:init" */ +static int inverse; /* "matroxfb:inverse" */ +static int sgram; /* "matroxfb:sgram" */ +static int mtrr = 1; /* "matroxfb:nomtrr" */ +static int grayscale; /* "matroxfb:grayscale" */ +static int dev = -1; /* "matroxfb:dev:xxxxx" */ +static unsigned int vesa = ~0; /* "matroxfb:vesa:xxxxx" */ +static int depth = -1; /* "matroxfb:depth:xxxxx" */ +static unsigned int xres; /* "matroxfb:xres:xxxxx" */ +static unsigned int yres; /* "matroxfb:yres:xxxxx" */ +static unsigned int upper = ~0; /* "matroxfb:upper:xxxxx" */ +static unsigned int lower = ~0; /* "matroxfb:lower:xxxxx" */ +static unsigned int vslen; /* "matroxfb:vslen:xxxxx" */ +static unsigned int left = ~0; /* "matroxfb:left:xxxxx" */ +static unsigned int right = ~0; /* "matroxfb:right:xxxxx" */ +static unsigned int hslen; /* "matroxfb:hslen:xxxxx" */ +static unsigned int pixclock; /* "matroxfb:pixclock:xxxxx" */ +static int sync = -1; /* "matroxfb:sync:xxxxx" */ +static unsigned int fv; /* "matroxfb:fv:xxxxx" */ +static unsigned int fh; /* "matroxfb:fh:xxxxxk" */ +static unsigned int maxclk; /* "matroxfb:maxclk:xxxxM" */ +static int dfp; /* "matroxfb:dfp */ +static int dfp_type = -1; /* "matroxfb:dfp:xxx */ +static int memtype = -1; /* "matroxfb:memtype:xxx" */ +static char outputs[8]; /* "matroxfb:outputs:xxx" */ + +#ifndef MODULE +static char videomode[64]; /* "matroxfb:mode:xxxxx" or "matroxfb:xxxxx" */ +#endif + +static int matroxfb_getmemory(struct matrox_fb_info *minfo, + unsigned int maxSize, unsigned int *realSize) +{ + vaddr_t vm; + unsigned int offs; + unsigned int offs2; + unsigned char orig; + unsigned char bytes[32]; + unsigned char* tmp; + + DBG(__func__) + + vm = minfo->video.vbase; + maxSize &= ~0x1FFFFF; /* must be X*2MB (really it must be 2 or X*4MB) */ + /* at least 2MB */ + if (maxSize < 0x0200000) return 0; + if (maxSize > 0x2000000) maxSize = 0x2000000; + + mga_outb(M_EXTVGA_INDEX, 0x03); + orig = mga_inb(M_EXTVGA_DATA); + mga_outb(M_EXTVGA_DATA, orig | 0x80); + + tmp = bytes; + for (offs = 0x100000; offs < maxSize; offs += 0x200000) + *tmp++ = mga_readb(vm, offs); + for (offs = 0x100000; offs < maxSize; offs += 0x200000) + mga_writeb(vm, offs, 0x02); + mga_outb(M_CACHEFLUSH, 0x00); + for (offs = 0x100000; offs < maxSize; offs += 0x200000) { + if (mga_readb(vm, offs) != 0x02) + break; + mga_writeb(vm, offs, mga_readb(vm, offs) - 0x02); + if (mga_readb(vm, offs)) + break; + } + tmp = bytes; + for (offs2 = 0x100000; offs2 < maxSize; offs2 += 0x200000) + mga_writeb(vm, offs2, *tmp++); + + mga_outb(M_EXTVGA_INDEX, 0x03); + mga_outb(M_EXTVGA_DATA, orig); + + *realSize = offs - 0x100000; +#ifdef CONFIG_FB_MATROX_MILLENIUM + minfo->interleave = !(!isMillenium(minfo) || ((offs - 0x100000) & 0x3FFFFF)); +#endif + return 1; +} + +struct video_board { + int maxvram; + int maxdisplayable; + int accelID; + struct matrox_switch* lowlevel; + }; +#ifdef CONFIG_FB_MATROX_MILLENIUM +static struct video_board vbMillennium = { + .maxvram = 0x0800000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGA2064W, + .lowlevel = &matrox_millennium +}; + +static struct video_board vbMillennium2 = { + .maxvram = 0x1000000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGA2164W, + .lowlevel = &matrox_millennium +}; + +static struct video_board vbMillennium2A = { + .maxvram = 0x1000000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGA2164W_AGP, + .lowlevel = &matrox_millennium +}; +#endif /* CONFIG_FB_MATROX_MILLENIUM */ +#ifdef CONFIG_FB_MATROX_MYSTIQUE +static struct video_board vbMystique = { + .maxvram = 0x0800000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGA1064SG, + .lowlevel = &matrox_mystique +}; +#endif /* CONFIG_FB_MATROX_MYSTIQUE */ +#ifdef CONFIG_FB_MATROX_G +static struct video_board vbG100 = { + .maxvram = 0x0800000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGAG100, + .lowlevel = &matrox_G100 +}; + +static struct video_board vbG200 = { + .maxvram = 0x1000000, + .maxdisplayable = 0x1000000, + .accelID = FB_ACCEL_MATROX_MGAG200, + .lowlevel = &matrox_G100 +}; +static struct video_board vbG200eW = { + .maxvram = 0x1000000, + .maxdisplayable = 0x0800000, + .accelID = FB_ACCEL_MATROX_MGAG200, + .lowlevel = &matrox_G100 +}; +/* from doc it looks like that accelerator can draw only to low 16MB :-( Direct accesses & displaying are OK for + whole 32MB */ +static struct video_board vbG400 = { + .maxvram = 0x2000000, + .maxdisplayable = 0x1000000, + .accelID = FB_ACCEL_MATROX_MGAG400, + .lowlevel = &matrox_G100 +}; +#endif + +#define DEVF_VIDEO64BIT 0x0001 +#define DEVF_SWAPS 0x0002 +#define DEVF_SRCORG 0x0004 +#define DEVF_DUALHEAD 0x0008 +#define DEVF_CROSS4MB 0x0010 +#define DEVF_TEXT4B 0x0020 +/* #define DEVF_recycled 0x0040 */ +/* #define DEVF_recycled 0x0080 */ +#define DEVF_SUPPORT32MB 0x0100 +#define DEVF_ANY_VXRES 0x0200 +#define DEVF_TEXT16B 0x0400 +#define DEVF_CRTC2 0x0800 +#define DEVF_MAVEN_CAPABLE 0x1000 +#define DEVF_PANELLINK_CAPABLE 0x2000 +#define DEVF_G450DAC 0x4000 + +#define DEVF_GCORE (DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB) +#define DEVF_G2CORE (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_MAVEN_CAPABLE | DEVF_PANELLINK_CAPABLE | DEVF_SRCORG | DEVF_DUALHEAD) +#define DEVF_G100 (DEVF_GCORE) /* no doc, no vxres... */ +#define DEVF_G200 (DEVF_G2CORE) +#define DEVF_G400 (DEVF_G2CORE | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2) +/* if you'll find how to drive DFP... */ +#define DEVF_G450 (DEVF_GCORE | DEVF_ANY_VXRES | DEVF_SUPPORT32MB | DEVF_TEXT16B | DEVF_CRTC2 | DEVF_G450DAC | DEVF_SRCORG | DEVF_DUALHEAD) +#define DEVF_G550 (DEVF_G450) + +static struct board { + unsigned short vendor, device, rev, svid, sid; + unsigned int flags; + unsigned int maxclk; + enum mga_chip chip; + struct video_board* base; + const char* name; + } dev_list[] = { +#ifdef CONFIG_FB_MATROX_MILLENIUM + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, 0xFF, + 0, 0, + DEVF_TEXT4B, + 230000, + MGA_2064, + &vbMillennium, + "Millennium (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, 0xFF, + 0, 0, + DEVF_SWAPS, + 220000, + MGA_2164, + &vbMillennium2, + "Millennium II (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, 0xFF, + 0, 0, + DEVF_SWAPS, + 250000, + MGA_2164, + &vbMillennium2A, + "Millennium II (AGP)"}, +#endif +#ifdef CONFIG_FB_MATROX_MYSTIQUE + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0x02, + 0, 0, + DEVF_VIDEO64BIT | DEVF_CROSS4MB, + 180000, + MGA_1064, + &vbMystique, + "Mystique (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, 0xFF, + 0, 0, + DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB, + 220000, + MGA_1164, + &vbMystique, + "Mystique 220 (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0x02, + 0, 0, + DEVF_VIDEO64BIT | DEVF_CROSS4MB, + 180000, + MGA_1064, + &vbMystique, + "Mystique (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS_AGP, 0xFF, + 0, 0, + DEVF_VIDEO64BIT | DEVF_SWAPS | DEVF_CROSS4MB, + 220000, + MGA_1164, + &vbMystique, + "Mystique 220 (AGP)"}, +#endif +#ifdef CONFIG_FB_MATROX_G + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, 0xFF, + 0, 0, + DEVF_G100, + 230000, + MGA_G100, + &vbG100, + "MGA-G100 (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, 0xFF, + 0, 0, + DEVF_G100, + 230000, + MGA_G100, + &vbG100, + "MGA-G100 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, 0xFF, + 0, 0, + DEVF_G200, + 250000, + MGA_G200, + &vbG200, + "MGA-G200 (PCI)"}, + {PCI_VENDOR_ID_MATROX, 0x0532, 0xFF, + 0, 0, + DEVF_G200, + 250000, + MGA_G200, + &vbG200eW, + "MGA-G200eW (PCI)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_GENERIC, + DEVF_G200, + 220000, + MGA_G200, + &vbG200, + "MGA-G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP, + DEVF_G200, + 230000, + MGA_G200, + &vbG200, + "Mystique G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENIUM_G200_AGP, + DEVF_G200, + 250000, + MGA_G200, + &vbG200, + "Millennium G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MARVEL_G200_AGP, + DEVF_G200, + 230000, + MGA_G200, + &vbG200, + "Marvel G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + PCI_SS_VENDOR_ID_SIEMENS_NIXDORF, PCI_SS_ID_SIEMENS_MGA_G200_AGP, + DEVF_G200, + 230000, + MGA_G200, + &vbG200, + "MGA-G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, 0xFF, + 0, 0, + DEVF_G200, + 230000, + MGA_G200, + &vbG200, + "G200 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80, + PCI_SS_VENDOR_ID_MATROX, PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP, + DEVF_G400, + 360000, + MGA_G400, + &vbG400, + "Millennium G400 MAX (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0x80, + 0, 0, + DEVF_G400, + 300000, + MGA_G400, + &vbG400, + "G400 (AGP)"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, 0xFF, + 0, 0, + DEVF_G450, + 360000, + MGA_G450, + &vbG400, + "G450"}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, 0xFF, + 0, 0, + DEVF_G550, + 360000, + MGA_G550, + &vbG400, + "G550"}, +#endif + {0, 0, 0xFF, + 0, 0, + 0, + 0, + 0, + NULL, + NULL}}; + +#ifndef MODULE +static const struct fb_videomode defaultmode = { + /* 640x480 @ 60Hz, 31.5 kHz */ + NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2, + 0, FB_VMODE_NONINTERLACED +}; + +static int hotplug = 0; +#endif /* !MODULE */ + +static void setDefaultOutputs(struct matrox_fb_info *minfo) +{ + unsigned int i; + const char* ptr; + + minfo->outputs[0].default_src = MATROXFB_SRC_CRTC1; + if (minfo->devflags.g450dac) { + minfo->outputs[1].default_src = MATROXFB_SRC_CRTC1; + minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1; + } else if (dfp) { + minfo->outputs[2].default_src = MATROXFB_SRC_CRTC1; + } + ptr = outputs; + for (i = 0; i < MATROXFB_MAX_OUTPUTS; i++) { + char c = *ptr++; + + if (c == 0) { + break; + } + if (c == '0') { + minfo->outputs[i].default_src = MATROXFB_SRC_NONE; + } else if (c == '1') { + minfo->outputs[i].default_src = MATROXFB_SRC_CRTC1; + } else if (c == '2' && minfo->devflags.crtc2) { + minfo->outputs[i].default_src = MATROXFB_SRC_CRTC2; + } else { + printk(KERN_ERR "matroxfb: Unknown outputs setting\n"); + break; + } + } + /* Nullify this option for subsequent adapters */ + outputs[0] = 0; +} + +static int initMatrox2(struct matrox_fb_info *minfo, struct board *b) +{ + unsigned long ctrlptr_phys = 0; + unsigned long video_base_phys = 0; + unsigned int memsize; + int err; + + static const struct pci_device_id intel_82437[] = { + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82437) }, + { }, + }; + + DBG(__func__) + + /* set default values... */ + vesafb_defined.accel_flags = FB_ACCELF_TEXT; + + minfo->hw_switch = b->base->lowlevel; + minfo->devflags.accelerator = b->base->accelID; + minfo->max_pixel_clock = b->maxclk; + + printk(KERN_INFO "matroxfb: Matrox %s detected\n", b->name); + minfo->capable.plnwt = 1; + minfo->chip = b->chip; + minfo->capable.srcorg = b->flags & DEVF_SRCORG; + minfo->devflags.video64bits = b->flags & DEVF_VIDEO64BIT; + if (b->flags & DEVF_TEXT4B) { + minfo->devflags.vgastep = 4; + minfo->devflags.textmode = 4; + minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16; + } else if (b->flags & DEVF_TEXT16B) { + minfo->devflags.vgastep = 16; + minfo->devflags.textmode = 1; + minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP16; + } else { + minfo->devflags.vgastep = 8; + minfo->devflags.textmode = 1; + minfo->devflags.text_type_aux = FB_AUX_TEXT_MGA_STEP8; + } + minfo->devflags.support32MB = (b->flags & DEVF_SUPPORT32MB) != 0; + minfo->devflags.precise_width = !(b->flags & DEVF_ANY_VXRES); + minfo->devflags.crtc2 = (b->flags & DEVF_CRTC2) != 0; + minfo->devflags.maven_capable = (b->flags & DEVF_MAVEN_CAPABLE) != 0; + minfo->devflags.dualhead = (b->flags & DEVF_DUALHEAD) != 0; + minfo->devflags.dfp_type = dfp_type; + minfo->devflags.g450dac = (b->flags & DEVF_G450DAC) != 0; + minfo->devflags.textstep = minfo->devflags.vgastep * minfo->devflags.textmode; + minfo->devflags.textvram = 65536 / minfo->devflags.textmode; + setDefaultOutputs(minfo); + if (b->flags & DEVF_PANELLINK_CAPABLE) { + minfo->outputs[2].data = minfo; + minfo->outputs[2].output = &panellink_output; + minfo->outputs[2].src = minfo->outputs[2].default_src; + minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR; + minfo->devflags.panellink = 1; + } + + if (minfo->capable.cross4MB < 0) + minfo->capable.cross4MB = b->flags & DEVF_CROSS4MB; + if (b->flags & DEVF_SWAPS) { + ctrlptr_phys = pci_resource_start(minfo->pcidev, 1); + video_base_phys = pci_resource_start(minfo->pcidev, 0); + minfo->devflags.fbResource = PCI_BASE_ADDRESS_0; + } else { + ctrlptr_phys = pci_resource_start(minfo->pcidev, 0); + video_base_phys = pci_resource_start(minfo->pcidev, 1); + minfo->devflags.fbResource = PCI_BASE_ADDRESS_1; + } + err = -EINVAL; + if (!ctrlptr_phys) { + printk(KERN_ERR "matroxfb: control registers are not available, matroxfb disabled\n"); + goto fail; + } + if (!video_base_phys) { + printk(KERN_ERR "matroxfb: video RAM is not available in PCI address space, matroxfb disabled\n"); + goto fail; + } + memsize = b->base->maxvram; + if (!request_mem_region(ctrlptr_phys, 16384, "matroxfb MMIO")) { + goto fail; + } + if (!request_mem_region(video_base_phys, memsize, "matroxfb FB")) { + goto failCtrlMR; + } + minfo->video.len_maximum = memsize; + /* convert mem (autodetect k, M) */ + if (mem < 1024) mem *= 1024; + if (mem < 0x00100000) mem *= 1024; + + if (mem && (mem < memsize)) + memsize = mem; + err = -ENOMEM; + + minfo->mmio.vbase.vaddr = ioremap(ctrlptr_phys, 16384); + if (!minfo->mmio.vbase.vaddr) { + printk(KERN_ERR "matroxfb: cannot ioremap(%lX, 16384), matroxfb disabled\n", ctrlptr_phys); + goto failVideoMR; + } + minfo->mmio.base = ctrlptr_phys; + minfo->mmio.len = 16384; + minfo->video.base = video_base_phys; + minfo->video.vbase.vaddr = ioremap_wc(video_base_phys, memsize); + if (!minfo->video.vbase.vaddr) { + printk(KERN_ERR "matroxfb: cannot ioremap(%lX, %d), matroxfb disabled\n", + video_base_phys, memsize); + goto failCtrlIO; + } + { + u_int32_t cmd; + u_int32_t mga_option; + + pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &mga_option); + pci_read_config_dword(minfo->pcidev, PCI_COMMAND, &cmd); + mga_option &= 0x7FFFFFFF; /* clear BIG_ENDIAN */ + mga_option |= MX_OPTION_BSWAP; + /* disable palette snooping */ + cmd &= ~PCI_COMMAND_VGA_PALETTE; + if (pci_dev_present(intel_82437)) { + if (!(mga_option & 0x20000000) && !minfo->devflags.nopciretry) { + printk(KERN_WARNING "matroxfb: Disabling PCI retries due to i82437 present\n"); + } + mga_option |= 0x20000000; + minfo->devflags.nopciretry = 1; + } + pci_write_config_dword(minfo->pcidev, PCI_COMMAND, cmd); + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, mga_option); + minfo->hw.MXoptionReg = mga_option; + + /* select non-DMA memory for PCI_MGA_DATA, otherwise dump of PCI cfg space can lock PCI bus */ + /* maybe preinit() candidate, but it is same... for all devices... at this time... */ + pci_write_config_dword(minfo->pcidev, PCI_MGA_INDEX, 0x00003C00); + } + + err = -ENXIO; + matroxfb_read_pins(minfo); + if (minfo->hw_switch->preinit(minfo)) { + goto failVideoIO; + } + + err = -ENOMEM; + if (!matroxfb_getmemory(minfo, memsize, &minfo->video.len) || !minfo->video.len) { + printk(KERN_ERR "matroxfb: cannot determine memory size\n"); + goto failVideoIO; + } + minfo->devflags.ydstorg = 0; + + minfo->video.base = video_base_phys; + minfo->video.len_usable = minfo->video.len; + if (minfo->video.len_usable > b->base->maxdisplayable) + minfo->video.len_usable = b->base->maxdisplayable; + if (mtrr) + minfo->wc_cookie = arch_phys_wc_add(video_base_phys, + minfo->video.len); + + if (!minfo->devflags.novga) + request_region(0x3C0, 32, "matrox"); + matroxfb_g450_connect(minfo); + minfo->hw_switch->reset(minfo); + + minfo->fbcon.monspecs.hfmin = 0; + minfo->fbcon.monspecs.hfmax = fh; + minfo->fbcon.monspecs.vfmin = 0; + minfo->fbcon.monspecs.vfmax = fv; + minfo->fbcon.monspecs.dpms = 0; /* TBD */ + + /* static settings */ + vesafb_defined.red = colors[depth-1].red; + vesafb_defined.green = colors[depth-1].green; + vesafb_defined.blue = colors[depth-1].blue; + vesafb_defined.bits_per_pixel = colors[depth-1].bits_per_pixel; + vesafb_defined.grayscale = grayscale; + vesafb_defined.vmode = 0; + if (noaccel) + vesafb_defined.accel_flags &= ~FB_ACCELF_TEXT; + + minfo->fbops = matroxfb_ops; + minfo->fbcon.fbops = &minfo->fbops; + minfo->fbcon.pseudo_palette = minfo->cmap; + minfo->fbcon.flags = FBINFO_PARTIAL_PAN_OK | /* Prefer panning for scroll under MC viewer/edit */ + FBINFO_HWACCEL_COPYAREA | /* We have hw-assisted bmove */ + FBINFO_HWACCEL_FILLRECT | /* And fillrect */ + FBINFO_HWACCEL_IMAGEBLIT | /* And imageblit */ + FBINFO_HWACCEL_XPAN | /* And we support both horizontal */ + FBINFO_HWACCEL_YPAN | /* And vertical panning */ + FBINFO_READS_FAST; + minfo->video.len_usable &= PAGE_MASK; + fb_alloc_cmap(&minfo->fbcon.cmap, 256, 1); + +#ifndef MODULE + /* mode database is marked __init!!! */ + if (!hotplug) { + fb_find_mode(&vesafb_defined, &minfo->fbcon, videomode[0] ? videomode : NULL, + NULL, 0, &defaultmode, vesafb_defined.bits_per_pixel); + } +#endif /* !MODULE */ + + /* mode modifiers */ + if (hslen) + vesafb_defined.hsync_len = hslen; + if (vslen) + vesafb_defined.vsync_len = vslen; + if (left != ~0) + vesafb_defined.left_margin = left; + if (right != ~0) + vesafb_defined.right_margin = right; + if (upper != ~0) + vesafb_defined.upper_margin = upper; + if (lower != ~0) + vesafb_defined.lower_margin = lower; + if (xres) + vesafb_defined.xres = xres; + if (yres) + vesafb_defined.yres = yres; + if (sync != -1) + vesafb_defined.sync = sync; + else if (vesafb_defined.sync == ~0) { + vesafb_defined.sync = 0; + if (yres < 400) + vesafb_defined.sync |= FB_SYNC_HOR_HIGH_ACT; + else if (yres < 480) + vesafb_defined.sync |= FB_SYNC_VERT_HIGH_ACT; + } + + /* fv, fh, maxclk limits was specified */ + { + unsigned int tmp; + + if (fv) { + tmp = fv * (vesafb_defined.upper_margin + vesafb_defined.yres + + vesafb_defined.lower_margin + vesafb_defined.vsync_len); + if ((tmp < fh) || (fh == 0)) fh = tmp; + } + if (fh) { + tmp = fh * (vesafb_defined.left_margin + vesafb_defined.xres + + vesafb_defined.right_margin + vesafb_defined.hsync_len); + if ((tmp < maxclk) || (maxclk == 0)) maxclk = tmp; + } + tmp = (maxclk + 499) / 500; + if (tmp) { + tmp = (2000000000 + tmp) / tmp; + if (tmp > pixclock) pixclock = tmp; + } + } + if (pixclock) { + if (pixclock < 2000) /* > 500MHz */ + pixclock = 4000; /* 250MHz */ + if (pixclock > 1000000) + pixclock = 1000000; /* 1MHz */ + vesafb_defined.pixclock = pixclock; + } + + /* FIXME: Where to move this?! */ +#if defined(CONFIG_PPC_PMAC) +#ifndef MODULE + if (machine_is(powermac)) { + struct fb_var_screeninfo var; + + if (default_vmode <= 0 || default_vmode > VMODE_MAX) + default_vmode = VMODE_640_480_60; +#if defined(CONFIG_PPC32) + if (IS_REACHABLE(CONFIG_NVRAM) && default_cmode == CMODE_NVRAM) + default_cmode = nvram_read_byte(NV_CMODE); +#endif + if (default_cmode < CMODE_8 || default_cmode > CMODE_32) + default_cmode = CMODE_8; + if (!mac_vmode_to_var(default_vmode, default_cmode, &var)) { + var.accel_flags = vesafb_defined.accel_flags; + var.xoffset = var.yoffset = 0; + /* Note: mac_vmode_to_var() does not set all parameters */ + vesafb_defined = var; + } + } +#endif /* !MODULE */ +#endif /* CONFIG_PPC_PMAC */ + vesafb_defined.xres_virtual = vesafb_defined.xres; + if (nopan) { + vesafb_defined.yres_virtual = vesafb_defined.yres; + } else { + vesafb_defined.yres_virtual = 65536; /* large enough to be INF, but small enough + to yres_virtual * xres_virtual < 2^32 */ + } + matroxfb_init_fix(minfo); + minfo->fbcon.screen_base = vaddr_va(minfo->video.vbase); + /* Normalize values (namely yres_virtual) */ + matroxfb_check_var(&vesafb_defined, &minfo->fbcon); + /* And put it into "current" var. Do NOT program hardware yet, or we'll not take over + * vgacon correctly. fbcon_startup will call fb_set_par for us, WITHOUT check_var, + * and unfortunately it will do it BEFORE vgacon contents is saved, so it won't work + * anyway. But we at least tried... */ + minfo->fbcon.var = vesafb_defined; + err = -EINVAL; + + printk(KERN_INFO "matroxfb: %dx%dx%dbpp (virtual: %dx%d)\n", + vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, + vesafb_defined.xres_virtual, vesafb_defined.yres_virtual); + printk(KERN_INFO "matroxfb: framebuffer at 0x%lX, mapped to 0x%p, size %d\n", + minfo->video.base, vaddr_va(minfo->video.vbase), minfo->video.len); + +/* We do not have to set currcon to 0... register_framebuffer do it for us on first console + * and we do not want currcon == 0 for subsequent framebuffers */ + + minfo->fbcon.device = &minfo->pcidev->dev; + if (register_framebuffer(&minfo->fbcon) < 0) { + goto failVideoIO; + } + fb_info(&minfo->fbcon, "%s frame buffer device\n", minfo->fbcon.fix.id); + + /* there is no console on this fb... but we have to initialize hardware + * until someone tells me what is proper thing to do */ + if (!minfo->initialized) { + fb_info(&minfo->fbcon, "initializing hardware\n"); + /* We have to use FB_ACTIVATE_FORCE, as we had to put vesafb_defined to the fbcon.var + * already before, so register_framebuffer works correctly. */ + vesafb_defined.activate |= FB_ACTIVATE_FORCE; + fb_set_var(&minfo->fbcon, &vesafb_defined); + } + + return 0; +failVideoIO:; + matroxfb_g450_shutdown(minfo); + iounmap(minfo->video.vbase.vaddr); +failCtrlIO:; + iounmap(minfo->mmio.vbase.vaddr); +failVideoMR:; + release_mem_region(video_base_phys, minfo->video.len_maximum); +failCtrlMR:; + release_mem_region(ctrlptr_phys, 16384); +fail:; + return err; +} + +static LIST_HEAD(matroxfb_list); +static LIST_HEAD(matroxfb_driver_list); + +#define matroxfb_l(x) list_entry(x, struct matrox_fb_info, next_fb) +#define matroxfb_driver_l(x) list_entry(x, struct matroxfb_driver, node) +int matroxfb_register_driver(struct matroxfb_driver* drv) { + struct matrox_fb_info* minfo; + + list_add(&drv->node, &matroxfb_driver_list); + list_for_each_entry(minfo, &matroxfb_list, next_fb) { + void* p; + + if (minfo->drivers_count == MATROXFB_MAX_FB_DRIVERS) + continue; + p = drv->probe(minfo); + if (p) { + minfo->drivers_data[minfo->drivers_count] = p; + minfo->drivers[minfo->drivers_count++] = drv; + } + } + return 0; +} + +void matroxfb_unregister_driver(struct matroxfb_driver* drv) { + struct matrox_fb_info* minfo; + + list_del(&drv->node); + list_for_each_entry(minfo, &matroxfb_list, next_fb) { + int i; + + for (i = 0; i < minfo->drivers_count; ) { + if (minfo->drivers[i] == drv) { + if (drv && drv->remove) + drv->remove(minfo, minfo->drivers_data[i]); + minfo->drivers[i] = minfo->drivers[--minfo->drivers_count]; + minfo->drivers_data[i] = minfo->drivers_data[minfo->drivers_count]; + } else + i++; + } + } +} + +static void matroxfb_register_device(struct matrox_fb_info* minfo) { + struct matroxfb_driver* drv; + int i = 0; + list_add(&minfo->next_fb, &matroxfb_list); + for (drv = matroxfb_driver_l(matroxfb_driver_list.next); + drv != matroxfb_driver_l(&matroxfb_driver_list); + drv = matroxfb_driver_l(drv->node.next)) { + if (drv->probe) { + void *p = drv->probe(minfo); + if (p) { + minfo->drivers_data[i] = p; + minfo->drivers[i++] = drv; + if (i == MATROXFB_MAX_FB_DRIVERS) + break; + } + } + } + minfo->drivers_count = i; +} + +static void matroxfb_unregister_device(struct matrox_fb_info* minfo) { + int i; + + list_del(&minfo->next_fb); + for (i = 0; i < minfo->drivers_count; i++) { + struct matroxfb_driver* drv = minfo->drivers[i]; + + if (drv && drv->remove) + drv->remove(minfo, minfo->drivers_data[i]); + } +} + +static int matroxfb_probe(struct pci_dev* pdev, const struct pci_device_id* dummy) { + struct board* b; + u_int16_t svid; + u_int16_t sid; + struct matrox_fb_info* minfo; + int err; + u_int32_t cmd; + DBG(__func__) + + err = aperture_remove_conflicting_pci_devices(pdev, "matroxfb"); + if (err) + return err; + + svid = pdev->subsystem_vendor; + sid = pdev->subsystem_device; + for (b = dev_list; b->vendor; b++) { + if ((b->vendor != pdev->vendor) || (b->device != pdev->device) || (b->rev < pdev->revision)) continue; + if (b->svid) + if ((b->svid != svid) || (b->sid != sid)) continue; + break; + } + /* not match... */ + if (!b->vendor) + return -ENODEV; + if (dev > 0) { + /* not requested one... */ + dev--; + return -ENODEV; + } + pci_read_config_dword(pdev, PCI_COMMAND, &cmd); + if (pci_enable_device(pdev)) { + return -1; + } + + minfo = kzalloc(sizeof(*minfo), GFP_KERNEL); + if (!minfo) + return -ENOMEM; + + minfo->pcidev = pdev; + minfo->dead = 0; + minfo->usecount = 0; + minfo->userusecount = 0; + + pci_set_drvdata(pdev, minfo); + /* DEVFLAGS */ + minfo->devflags.memtype = memtype; + if (memtype != -1) + noinit = 0; + if (cmd & PCI_COMMAND_MEMORY) { + minfo->devflags.novga = novga; + minfo->devflags.nobios = nobios; + minfo->devflags.noinit = noinit; + /* subsequent heads always needs initialization and must not enable BIOS */ + novga = 1; + nobios = 1; + noinit = 0; + } else { + minfo->devflags.novga = 1; + minfo->devflags.nobios = 1; + minfo->devflags.noinit = 0; + } + + minfo->devflags.nopciretry = no_pci_retry; + minfo->devflags.mga_24bpp_fix = inv24; + minfo->devflags.precise_width = option_precise_width; + minfo->devflags.sgram = sgram; + minfo->capable.cross4MB = cross4MB; + + spin_lock_init(&minfo->lock.DAC); + spin_lock_init(&minfo->lock.accel); + init_rwsem(&minfo->crtc2.lock); + init_rwsem(&minfo->altout.lock); + mutex_init(&minfo->fbcon.mm_lock); + minfo->irq_flags = 0; + init_waitqueue_head(&minfo->crtc1.vsync.wait); + init_waitqueue_head(&minfo->crtc2.vsync.wait); + minfo->crtc1.panpos = -1; + + err = initMatrox2(minfo, b); + if (!err) { + matroxfb_register_device(minfo); + return 0; + } + kfree(minfo); + return -1; +} + +static void pci_remove_matrox(struct pci_dev* pdev) { + struct matrox_fb_info* minfo; + + minfo = pci_get_drvdata(pdev); + matroxfb_remove(minfo, 1); +} + +static const struct pci_device_id matroxfb_devices[] = { +#ifdef CONFIG_FB_MATROX_MILLENIUM + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MIL_2_AGP, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, +#endif +#ifdef CONFIG_FB_MATROX_MYSTIQUE + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_MYS, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, +#endif +#ifdef CONFIG_FB_MATROX_G + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_MM, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G100_AGP, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, 0x0532, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, + {PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, +#endif + {0, 0, + 0, 0, 0, 0, 0} +}; + +MODULE_DEVICE_TABLE(pci, matroxfb_devices); + + +static struct pci_driver matroxfb_driver = { + .name = "matroxfb", + .id_table = matroxfb_devices, + .probe = matroxfb_probe, + .remove = pci_remove_matrox, +}; + +/* **************************** init-time only **************************** */ + +#define RSResolution(X) ((X) & 0x0F) +#define RS640x400 1 +#define RS640x480 2 +#define RS800x600 3 +#define RS1024x768 4 +#define RS1280x1024 5 +#define RS1600x1200 6 +#define RS768x576 7 +#define RS960x720 8 +#define RS1152x864 9 +#define RS1408x1056 10 +#define RS640x350 11 +#define RS1056x344 12 /* 132 x 43 text */ +#define RS1056x400 13 /* 132 x 50 text */ +#define RS1056x480 14 /* 132 x 60 text */ +#define RSNoxNo 15 +/* 10-FF */ +static struct { int xres, yres, left, right, upper, lower, hslen, vslen, vfreq; } timmings[] __initdata = { + { 640, 400, 48, 16, 39, 8, 96, 2, 70 }, + { 640, 480, 48, 16, 33, 10, 96, 2, 60 }, + { 800, 600, 144, 24, 28, 8, 112, 6, 60 }, + { 1024, 768, 160, 32, 30, 4, 128, 4, 60 }, + { 1280, 1024, 224, 32, 32, 4, 136, 4, 60 }, + { 1600, 1200, 272, 48, 32, 5, 152, 5, 60 }, + { 768, 576, 144, 16, 28, 6, 112, 4, 60 }, + { 960, 720, 144, 24, 28, 8, 112, 4, 60 }, + { 1152, 864, 192, 32, 30, 4, 128, 4, 60 }, + { 1408, 1056, 256, 40, 32, 5, 144, 5, 60 }, + { 640, 350, 48, 16, 39, 8, 96, 2, 70 }, + { 1056, 344, 96, 24, 59, 44, 160, 2, 70 }, + { 1056, 400, 96, 24, 39, 8, 160, 2, 70 }, + { 1056, 480, 96, 24, 36, 12, 160, 3, 60 }, + { 0, 0, ~0, ~0, ~0, ~0, 0, 0, 0 } +}; + +#define RSCreate(X,Y) ((X) | ((Y) << 8)) +static struct { unsigned int vesa; unsigned int info; } *RSptr, vesamap[] __initdata = { +/* default must be first */ + { ~0, RSCreate(RSNoxNo, RS8bpp ) }, + { 0x101, RSCreate(RS640x480, RS8bpp ) }, + { 0x100, RSCreate(RS640x400, RS8bpp ) }, + { 0x180, RSCreate(RS768x576, RS8bpp ) }, + { 0x103, RSCreate(RS800x600, RS8bpp ) }, + { 0x188, RSCreate(RS960x720, RS8bpp ) }, + { 0x105, RSCreate(RS1024x768, RS8bpp ) }, + { 0x190, RSCreate(RS1152x864, RS8bpp ) }, + { 0x107, RSCreate(RS1280x1024, RS8bpp ) }, + { 0x198, RSCreate(RS1408x1056, RS8bpp ) }, + { 0x11C, RSCreate(RS1600x1200, RS8bpp ) }, + { 0x110, RSCreate(RS640x480, RS15bpp) }, + { 0x181, RSCreate(RS768x576, RS15bpp) }, + { 0x113, RSCreate(RS800x600, RS15bpp) }, + { 0x189, RSCreate(RS960x720, RS15bpp) }, + { 0x116, RSCreate(RS1024x768, RS15bpp) }, + { 0x191, RSCreate(RS1152x864, RS15bpp) }, + { 0x119, RSCreate(RS1280x1024, RS15bpp) }, + { 0x199, RSCreate(RS1408x1056, RS15bpp) }, + { 0x11D, RSCreate(RS1600x1200, RS15bpp) }, + { 0x111, RSCreate(RS640x480, RS16bpp) }, + { 0x182, RSCreate(RS768x576, RS16bpp) }, + { 0x114, RSCreate(RS800x600, RS16bpp) }, + { 0x18A, RSCreate(RS960x720, RS16bpp) }, + { 0x117, RSCreate(RS1024x768, RS16bpp) }, + { 0x192, RSCreate(RS1152x864, RS16bpp) }, + { 0x11A, RSCreate(RS1280x1024, RS16bpp) }, + { 0x19A, RSCreate(RS1408x1056, RS16bpp) }, + { 0x11E, RSCreate(RS1600x1200, RS16bpp) }, + { 0x1B2, RSCreate(RS640x480, RS24bpp) }, + { 0x184, RSCreate(RS768x576, RS24bpp) }, + { 0x1B5, RSCreate(RS800x600, RS24bpp) }, + { 0x18C, RSCreate(RS960x720, RS24bpp) }, + { 0x1B8, RSCreate(RS1024x768, RS24bpp) }, + { 0x194, RSCreate(RS1152x864, RS24bpp) }, + { 0x1BB, RSCreate(RS1280x1024, RS24bpp) }, + { 0x19C, RSCreate(RS1408x1056, RS24bpp) }, + { 0x1BF, RSCreate(RS1600x1200, RS24bpp) }, + { 0x112, RSCreate(RS640x480, RS32bpp) }, + { 0x183, RSCreate(RS768x576, RS32bpp) }, + { 0x115, RSCreate(RS800x600, RS32bpp) }, + { 0x18B, RSCreate(RS960x720, RS32bpp) }, + { 0x118, RSCreate(RS1024x768, RS32bpp) }, + { 0x193, RSCreate(RS1152x864, RS32bpp) }, + { 0x11B, RSCreate(RS1280x1024, RS32bpp) }, + { 0x19B, RSCreate(RS1408x1056, RS32bpp) }, + { 0x11F, RSCreate(RS1600x1200, RS32bpp) }, + { 0x010, RSCreate(RS640x350, RS4bpp ) }, + { 0x012, RSCreate(RS640x480, RS4bpp ) }, + { 0x102, RSCreate(RS800x600, RS4bpp ) }, + { 0x104, RSCreate(RS1024x768, RS4bpp ) }, + { 0x106, RSCreate(RS1280x1024, RS4bpp ) }, + { 0, 0 }}; + +static void __init matroxfb_init_params(void) { + /* fh from kHz to Hz */ + if (fh < 1000) + fh *= 1000; /* 1kHz minimum */ + /* maxclk */ + if (maxclk < 1000) maxclk *= 1000; /* kHz -> Hz, MHz -> kHz */ + if (maxclk < 1000000) maxclk *= 1000; /* kHz -> Hz, 1MHz minimum */ + /* fix VESA number */ + if (vesa != ~0) + vesa &= 0x1DFF; /* mask out clearscreen, acceleration and so on */ + + /* static settings */ + for (RSptr = vesamap; RSptr->vesa; RSptr++) { + if (RSptr->vesa == vesa) break; + } + if (!RSptr->vesa) { + printk(KERN_ERR "Invalid vesa mode 0x%04X\n", vesa); + RSptr = vesamap; + } + { + int res = RSResolution(RSptr->info)-1; + if (left == ~0) + left = timmings[res].left; + if (!xres) + xres = timmings[res].xres; + if (right == ~0) + right = timmings[res].right; + if (!hslen) + hslen = timmings[res].hslen; + if (upper == ~0) + upper = timmings[res].upper; + if (!yres) + yres = timmings[res].yres; + if (lower == ~0) + lower = timmings[res].lower; + if (!vslen) + vslen = timmings[res].vslen; + if (!(fv||fh||maxclk||pixclock)) + fv = timmings[res].vfreq; + if (depth == -1) + depth = RSDepth(RSptr->info); + } +} + +static int __init matrox_init(void) { + int err; + + matroxfb_init_params(); + err = pci_register_driver(&matroxfb_driver); + dev = -1; /* accept all new devices... */ + return err; +} + +/* **************************** exit-time only **************************** */ + +static void __exit matrox_done(void) { + pci_unregister_driver(&matroxfb_driver); +} + +#ifndef MODULE + +/* ************************* init in-kernel code ************************** */ + +static int __init matroxfb_setup(char *options) { + char *this_opt; + + DBG(__func__) + + if (!options || !*options) + return 0; + + while ((this_opt = strsep(&options, ",")) != NULL) { + if (!*this_opt) continue; + + dprintk("matroxfb_setup: option %s\n", this_opt); + + if (!strncmp(this_opt, "dev:", 4)) + dev = simple_strtoul(this_opt+4, NULL, 0); + else if (!strncmp(this_opt, "depth:", 6)) { + switch (simple_strtoul(this_opt+6, NULL, 0)) { + case 0: depth = RSText; break; + case 4: depth = RS4bpp; break; + case 8: depth = RS8bpp; break; + case 15:depth = RS15bpp; break; + case 16:depth = RS16bpp; break; + case 24:depth = RS24bpp; break; + case 32:depth = RS32bpp; break; + default: + printk(KERN_ERR "matroxfb: unsupported color depth\n"); + } + } else if (!strncmp(this_opt, "xres:", 5)) + xres = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "yres:", 5)) + yres = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "vslen:", 6)) + vslen = simple_strtoul(this_opt+6, NULL, 0); + else if (!strncmp(this_opt, "hslen:", 6)) + hslen = simple_strtoul(this_opt+6, NULL, 0); + else if (!strncmp(this_opt, "left:", 5)) + left = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "right:", 6)) + right = simple_strtoul(this_opt+6, NULL, 0); + else if (!strncmp(this_opt, "upper:", 6)) + upper = simple_strtoul(this_opt+6, NULL, 0); + else if (!strncmp(this_opt, "lower:", 6)) + lower = simple_strtoul(this_opt+6, NULL, 0); + else if (!strncmp(this_opt, "pixclock:", 9)) + pixclock = simple_strtoul(this_opt+9, NULL, 0); + else if (!strncmp(this_opt, "sync:", 5)) + sync = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "vesa:", 5)) + vesa = simple_strtoul(this_opt+5, NULL, 0); + else if (!strncmp(this_opt, "maxclk:", 7)) + maxclk = simple_strtoul(this_opt+7, NULL, 0); + else if (!strncmp(this_opt, "fh:", 3)) + fh = simple_strtoul(this_opt+3, NULL, 0); + else if (!strncmp(this_opt, "fv:", 3)) + fv = simple_strtoul(this_opt+3, NULL, 0); + else if (!strncmp(this_opt, "mem:", 4)) + mem = simple_strtoul(this_opt+4, NULL, 0); + else if (!strncmp(this_opt, "mode:", 5)) + strscpy(videomode, this_opt + 5, sizeof(videomode)); + else if (!strncmp(this_opt, "outputs:", 8)) + strscpy(outputs, this_opt + 8, sizeof(outputs)); + else if (!strncmp(this_opt, "dfp:", 4)) { + dfp_type = simple_strtoul(this_opt+4, NULL, 0); + dfp = 1; + } +#ifdef CONFIG_PPC_PMAC + else if (!strncmp(this_opt, "vmode:", 6)) { + unsigned int vmode = simple_strtoul(this_opt+6, NULL, 0); + if (vmode > 0 && vmode <= VMODE_MAX) + default_vmode = vmode; + } else if (!strncmp(this_opt, "cmode:", 6)) { + unsigned int cmode = simple_strtoul(this_opt+6, NULL, 0); + switch (cmode) { + case 0: + case 8: + default_cmode = CMODE_8; + break; + case 15: + case 16: + default_cmode = CMODE_16; + break; + case 24: + case 32: + default_cmode = CMODE_32; + break; + } + } +#endif + else if (!strcmp(this_opt, "disabled")) /* nodisabled does not exist */ + disabled = 1; + else if (!strcmp(this_opt, "enabled")) /* noenabled does not exist */ + disabled = 0; + else if (!strcmp(this_opt, "sgram")) /* nosgram == sdram */ + sgram = 1; + else if (!strcmp(this_opt, "sdram")) + sgram = 0; + else if (!strncmp(this_opt, "memtype:", 8)) + memtype = simple_strtoul(this_opt+8, NULL, 0); + else { + int value = 1; + + if (!strncmp(this_opt, "no", 2)) { + value = 0; + this_opt += 2; + } + if (! strcmp(this_opt, "inverse")) + inverse = value; + else if (!strcmp(this_opt, "accel")) + noaccel = !value; + else if (!strcmp(this_opt, "pan")) + nopan = !value; + else if (!strcmp(this_opt, "pciretry")) + no_pci_retry = !value; + else if (!strcmp(this_opt, "vga")) + novga = !value; + else if (!strcmp(this_opt, "bios")) + nobios = !value; + else if (!strcmp(this_opt, "init")) + noinit = !value; + else if (!strcmp(this_opt, "mtrr")) + mtrr = value; + else if (!strcmp(this_opt, "inv24")) + inv24 = value; + else if (!strcmp(this_opt, "cross4MB")) + cross4MB = value; + else if (!strcmp(this_opt, "grayscale")) + grayscale = value; + else if (!strcmp(this_opt, "dfp")) + dfp = value; + else { + strscpy(videomode, this_opt, sizeof(videomode)); + } + } + } + return 0; +} + +static int __initdata initialized = 0; + +static int __init matroxfb_init(void) +{ + char *option = NULL; + int err = 0; + + DBG(__func__) + + if (fb_get_options("matroxfb", &option)) + return -ENODEV; + matroxfb_setup(option); + + if (disabled) + return -ENXIO; + if (!initialized) { + initialized = 1; + err = matrox_init(); + } + hotplug = 1; + /* never return failure, user can hotplug matrox later... */ + return err; +} + +#else + +/* *************************** init module code **************************** */ + +MODULE_AUTHOR("(c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Accelerated FBDev driver for Matrox Millennium/Mystique/G100/G200/G400/G450/G550"); +MODULE_LICENSE("GPL"); + +module_param(mem, int, 0); +MODULE_PARM_DESC(mem, "Size of available memory in MB, KB or B (2,4,8,12,16MB, default=autodetect)"); +module_param(disabled, int, 0); +MODULE_PARM_DESC(disabled, "Disabled (0 or 1=disabled) (default=0)"); +module_param(noaccel, int, 0); +MODULE_PARM_DESC(noaccel, "Do not use accelerating engine (0 or 1=disabled) (default=0)"); +module_param(nopan, int, 0); +MODULE_PARM_DESC(nopan, "Disable pan on startup (0 or 1=disabled) (default=0)"); +module_param(no_pci_retry, int, 0); +MODULE_PARM_DESC(no_pci_retry, "PCI retries enabled (0 or 1=disabled) (default=0)"); +module_param(novga, int, 0); +MODULE_PARM_DESC(novga, "VGA I/O (0x3C0-0x3DF) disabled (0 or 1=disabled) (default=0)"); +module_param(nobios, int, 0); +MODULE_PARM_DESC(nobios, "Disables ROM BIOS (0 or 1=disabled) (default=do not change BIOS state)"); +module_param(noinit, int, 0); +MODULE_PARM_DESC(noinit, "Disables W/SG/SD-RAM and bus interface initialization (0 or 1=do not initialize) (default=0)"); +module_param(memtype, int, 0); +MODULE_PARM_DESC(memtype, "Memory type for G200/G400 (see Documentation/fb/matroxfb.rst for explanation) (default=3 for G200, 0 for G400)"); +module_param(mtrr, int, 0); +MODULE_PARM_DESC(mtrr, "This speeds up video memory accesses (0=disabled or 1) (default=1)"); +module_param(sgram, int, 0); +MODULE_PARM_DESC(sgram, "Indicates that G100/G200/G400 has SGRAM memory (0=SDRAM, 1=SGRAM) (default=0)"); +module_param(inv24, int, 0); +MODULE_PARM_DESC(inv24, "Inverts clock polarity for 24bpp and loop frequency > 100MHz (default=do not invert polarity)"); +module_param(inverse, int, 0); +MODULE_PARM_DESC(inverse, "Inverse (0 or 1) (default=0)"); +module_param(dev, int, 0); +MODULE_PARM_DESC(dev, "Multihead support, attach to device ID (0..N) (default=all working)"); +module_param(vesa, int, 0); +MODULE_PARM_DESC(vesa, "Startup videomode (0x000-0x1FF) (default=0x101)"); +module_param(xres, int, 0); +MODULE_PARM_DESC(xres, "Horizontal resolution (px), overrides xres from vesa (default=vesa)"); +module_param(yres, int, 0); +MODULE_PARM_DESC(yres, "Vertical resolution (scans), overrides yres from vesa (default=vesa)"); +module_param(upper, int, 0); +MODULE_PARM_DESC(upper, "Upper blank space (scans), overrides upper from vesa (default=vesa)"); +module_param(lower, int, 0); +MODULE_PARM_DESC(lower, "Lower blank space (scans), overrides lower from vesa (default=vesa)"); +module_param(vslen, int, 0); +MODULE_PARM_DESC(vslen, "Vertical sync length (scans), overrides lower from vesa (default=vesa)"); +module_param(left, int, 0); +MODULE_PARM_DESC(left, "Left blank space (px), overrides left from vesa (default=vesa)"); +module_param(right, int, 0); +MODULE_PARM_DESC(right, "Right blank space (px), overrides right from vesa (default=vesa)"); +module_param(hslen, int, 0); +MODULE_PARM_DESC(hslen, "Horizontal sync length (px), overrides hslen from vesa (default=vesa)"); +module_param(pixclock, int, 0); +MODULE_PARM_DESC(pixclock, "Pixelclock (ns), overrides pixclock from vesa (default=vesa)"); +module_param(sync, int, 0); +MODULE_PARM_DESC(sync, "Sync polarity, overrides sync from vesa (default=vesa)"); +module_param(depth, int, 0); +MODULE_PARM_DESC(depth, "Color depth (0=text,8,15,16,24,32) (default=vesa)"); +module_param(maxclk, int, 0); +MODULE_PARM_DESC(maxclk, "Startup maximal clock, 0-999MHz, 1000-999999kHz, 1000000-INF Hz"); +module_param(fh, int, 0); +MODULE_PARM_DESC(fh, "Startup horizontal frequency, 0-999kHz, 1000-INF Hz"); +module_param(fv, int, 0); +MODULE_PARM_DESC(fv, "Startup vertical frequency, 0-INF Hz\n" +"You should specify \"fv:max_monitor_vsync,fh:max_monitor_hsync,maxclk:max_monitor_dotclock\""); +module_param(grayscale, int, 0); +MODULE_PARM_DESC(grayscale, "Sets display into grayscale. Works perfectly with paletized videomode (4, 8bpp), some limitations apply to 16, 24 and 32bpp videomodes (default=nograyscale)"); +module_param(cross4MB, int, 0); +MODULE_PARM_DESC(cross4MB, "Specifies that 4MB boundary can be in middle of line. (default=autodetected)"); +module_param(dfp, int, 0); +MODULE_PARM_DESC(dfp, "Specifies whether to use digital flat panel interface of G200/G400 (0 or 1) (default=0)"); +module_param(dfp_type, int, 0); +MODULE_PARM_DESC(dfp_type, "Specifies DFP interface type (0 to 255) (default=read from hardware)"); +module_param_string(outputs, outputs, sizeof(outputs), 0); +MODULE_PARM_DESC(outputs, "Specifies which CRTC is mapped to which output (string of up to three letters, consisting of 0 (disabled), 1 (CRTC1), 2 (CRTC2)) (default=111 for Gx50, 101 for G200/G400 with DFP, and 100 for all other devices)"); +#ifdef CONFIG_PPC_PMAC +module_param_named(vmode, default_vmode, int, 0); +MODULE_PARM_DESC(vmode, "Specify the vmode mode number that should be used (640x480 default)"); +module_param_named(cmode, default_cmode, int, 0); +MODULE_PARM_DESC(cmode, "Specify the video depth that should be used (8bit default)"); +#endif + +static int __init matroxfb_init(void){ + + DBG(__func__) + + if (disabled) + return -ENXIO; + + if (depth == 0) + depth = RSText; + else if (depth == 4) + depth = RS4bpp; + else if (depth == 8) + depth = RS8bpp; + else if (depth == 15) + depth = RS15bpp; + else if (depth == 16) + depth = RS16bpp; + else if (depth == 24) + depth = RS24bpp; + else if (depth == 32) + depth = RS32bpp; + else if (depth != -1) { + printk(KERN_ERR "matroxfb: depth %d is not supported, using default\n", depth); + depth = -1; + } + matrox_init(); + /* never return failure; user can hotplug matrox later... */ + return 0; +} +#endif /* MODULE */ + +module_init(matroxfb_init); +module_exit(matrox_done); +EXPORT_SYMBOL(matroxfb_register_driver); +EXPORT_SYMBOL(matroxfb_unregister_driver); +EXPORT_SYMBOL(matroxfb_wait_for_sync); +EXPORT_SYMBOL(matroxfb_enable_irq); diff --git a/drivers/video/fbdev/matrox/matroxfb_base.h b/drivers/video/fbdev/matrox/matroxfb_base.h new file mode 100644 index 000000000..958be6805 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_base.h @@ -0,0 +1,709 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + */ +#ifndef __MATROXFB_H__ +#define __MATROXFB_H__ + +/* general, but fairly heavy, debugging */ +#undef MATROXFB_DEBUG + +/* heavy debugging: */ +/* -- logs putc[s], so every time a char is displayed, it's logged */ +#undef MATROXFB_DEBUG_HEAVY + +/* This one _could_ cause infinite loops */ +/* It _does_ cause lots and lots of messages during idle loops */ +#undef MATROXFB_DEBUG_LOOP + +/* Debug register calls, too? */ +#undef MATROXFB_DEBUG_REG + +/* Guard accelerator accesses with spin_lock_irqsave... */ +#undef MATROXFB_USE_SPINLOCKS + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/console.h> +#include <linux/selection.h> +#include <linux/ioport.h> +#include <linux/init.h> +#include <linux/timer.h> +#include <linux/pci.h> +#include <linux/spinlock.h> +#include <linux/kd.h> + +#include <asm/io.h> +#include <asm/unaligned.h> + +#if defined(CONFIG_PPC_PMAC) +#include "../macmodes.h" +#endif + +#ifdef MATROXFB_DEBUG + +#define DEBUG +#define DBG(x) printk(KERN_DEBUG "matroxfb: %s\n", (x)); + +#ifdef MATROXFB_DEBUG_HEAVY +#define DBG_HEAVY(x) DBG(x) +#else /* MATROXFB_DEBUG_HEAVY */ +#define DBG_HEAVY(x) /* DBG_HEAVY */ +#endif /* MATROXFB_DEBUG_HEAVY */ + +#ifdef MATROXFB_DEBUG_LOOP +#define DBG_LOOP(x) DBG(x) +#else /* MATROXFB_DEBUG_LOOP */ +#define DBG_LOOP(x) /* DBG_LOOP */ +#endif /* MATROXFB_DEBUG_LOOP */ + +#ifdef MATROXFB_DEBUG_REG +#define DBG_REG(x) DBG(x) +#else /* MATROXFB_DEBUG_REG */ +#define DBG_REG(x) /* DBG_REG */ +#endif /* MATROXFB_DEBUG_REG */ + +#else /* MATROXFB_DEBUG */ + +#define DBG(x) /* DBG */ +#define DBG_HEAVY(x) /* DBG_HEAVY */ +#define DBG_REG(x) /* DBG_REG */ +#define DBG_LOOP(x) /* DBG_LOOP */ + +#endif /* MATROXFB_DEBUG */ + +#ifdef DEBUG +#define dprintk(X...) printk(X) +#else +#define dprintk(X...) no_printk(X) +#endif + +#ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF +#define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF 0x110A +#endif +#ifndef PCI_SS_VENDOR_ID_MATROX +#define PCI_SS_VENDOR_ID_MATROX PCI_VENDOR_ID_MATROX +#endif + +#ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP +#define PCI_SS_ID_MATROX_GENERIC 0xFF00 +#define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP 0xFF01 +#define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP 0xFF02 +#define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP 0xFF03 +#define PCI_SS_ID_MATROX_MARVEL_G200_AGP 0xFF04 +#define PCI_SS_ID_MATROX_MGA_G100_PCI 0xFF05 +#define PCI_SS_ID_MATROX_MGA_G100_AGP 0x1001 +#define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP 0x2179 +#define PCI_SS_ID_SIEMENS_MGA_G100_AGP 0x001E /* 30 */ +#define PCI_SS_ID_SIEMENS_MGA_G200_AGP 0x0032 /* 50 */ +#endif + +#define MX_VISUAL_TRUECOLOR FB_VISUAL_DIRECTCOLOR +#define MX_VISUAL_DIRECTCOLOR FB_VISUAL_TRUECOLOR +#define MX_VISUAL_PSEUDOCOLOR FB_VISUAL_PSEUDOCOLOR + +#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) + +/* G-series and Mystique have (almost) same DAC */ +#undef NEED_DAC1064 +#if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G) +#define NEED_DAC1064 1 +#endif + +typedef struct { + void __iomem* vaddr; +} vaddr_t; + +static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) { + return readb(va.vaddr + offs); +} + +static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) { + writeb(value, va.vaddr + offs); +} + +static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) { + writew(value, va.vaddr + offs); +} + +static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) { + return readl(va.vaddr + offs); +} + +static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) { + writel(value, va.vaddr + offs); +} + +static inline void mga_memcpy_toio(vaddr_t va, const void* src, int len) { +#if defined(__alpha__) || defined(__i386__) || defined(__x86_64__) + /* + * iowrite32_rep works for us if: + * (1) Copies data as 32bit quantities, not byte after byte, + * (2) Performs LE ordered stores, and + * (3) It copes with unaligned source (destination is guaranteed to be page + * aligned and length is guaranteed to be multiple of 4). + */ + iowrite32_rep(va.vaddr, src, len >> 2); +#else + u_int32_t __iomem* addr = va.vaddr; + + if ((unsigned long)src & 3) { + while (len >= 4) { + fb_writel(get_unaligned((u32 *)src), addr); + addr++; + len -= 4; + src += 4; + } + } else { + while (len >= 4) { + fb_writel(*(u32 *)src, addr); + addr++; + len -= 4; + src += 4; + } + } +#endif +} + +static inline void vaddr_add(vaddr_t* va, unsigned long offs) { + va->vaddr += offs; +} + +static inline void __iomem* vaddr_va(vaddr_t va) { + return va.vaddr; +} + +struct my_timming { + unsigned int pixclock; + int mnp; + unsigned int crtc; + unsigned int HDisplay; + unsigned int HSyncStart; + unsigned int HSyncEnd; + unsigned int HTotal; + unsigned int VDisplay; + unsigned int VSyncStart; + unsigned int VSyncEnd; + unsigned int VTotal; + unsigned int sync; + int dblscan; + int interlaced; + unsigned int delay; /* CRTC delay */ +}; + +enum { M_SYSTEM_PLL, M_PIXEL_PLL_A, M_PIXEL_PLL_B, M_PIXEL_PLL_C, M_VIDEO_PLL }; + +struct matrox_pll_cache { + unsigned int valid; + struct { + unsigned int mnp_key; + unsigned int mnp_value; + } data[4]; +}; + +struct matrox_pll_limits { + unsigned int vcomin; + unsigned int vcomax; +}; + +struct matrox_pll_features { + unsigned int vco_freq_min; + unsigned int ref_freq; + unsigned int feed_div_min; + unsigned int feed_div_max; + unsigned int in_div_min; + unsigned int in_div_max; + unsigned int post_shift_max; +}; + +struct matroxfb_par +{ + unsigned int final_bppShift; + unsigned int cmap_len; + struct { + unsigned int bytes; + unsigned int pixels; + unsigned int chunks; + } ydstorg; +}; + +struct matrox_fb_info; + +struct matrox_DAC1064_features { + u_int8_t xvrefctrl; + u_int8_t xmiscctrl; +}; + +/* current hardware status */ +struct mavenregs { + u_int8_t regs[256]; + int mode; + int vlines; + int xtal; + int fv; + + u_int16_t htotal; + u_int16_t hcorr; +}; + +struct matrox_crtc2 { + u_int32_t ctl; +}; + +struct matrox_hw_state { + u_int32_t MXoptionReg; + unsigned char DACclk[6]; + unsigned char DACreg[80]; + unsigned char MiscOutReg; + unsigned char DACpal[768]; + unsigned char CRTC[25]; + unsigned char CRTCEXT[9]; + unsigned char SEQ[5]; + /* unused for MGA mode, but who knows... */ + unsigned char GCTL[9]; + /* unused for MGA mode, but who knows... */ + unsigned char ATTR[21]; + + /* TVOut only */ + struct mavenregs maven; + + struct matrox_crtc2 crtc2; +}; + +struct matrox_accel_data { +#ifdef CONFIG_FB_MATROX_MILLENIUM + unsigned char ramdac_rev; +#endif + u_int32_t m_dwg_rect; + u_int32_t m_opmode; + u_int32_t m_access; + u_int32_t m_pitch; +}; + +struct v4l2_queryctrl; +struct v4l2_control; + +struct matrox_altout { + const char *name; + int (*compute)(void* altout_dev, struct my_timming* input); + int (*program)(void* altout_dev); + int (*start)(void* altout_dev); + int (*verifymode)(void* altout_dev, u_int32_t mode); + int (*getqueryctrl)(void* altout_dev, + struct v4l2_queryctrl* ctrl); + int (*getctrl)(void* altout_dev, + struct v4l2_control* ctrl); + int (*setctrl)(void* altout_dev, + struct v4l2_control* ctrl); +}; + +#define MATROXFB_SRC_NONE 0 +#define MATROXFB_SRC_CRTC1 1 +#define MATROXFB_SRC_CRTC2 2 + +enum mga_chip { MGA_2064, MGA_2164, MGA_1064, MGA_1164, MGA_G100, MGA_G200, MGA_G400, MGA_G450, MGA_G550 }; + +struct matrox_bios { + unsigned int bios_valid : 1; + unsigned int pins_len; + unsigned char pins[128]; + struct { + unsigned char vMaj, vMin, vRev; + } version; + struct { + unsigned char state, tvout; + } output; +}; + +struct matrox_switch; +struct matroxfb_driver; +struct matroxfb_dh_fb_info; + +struct matrox_vsync { + wait_queue_head_t wait; + unsigned int cnt; +}; + +struct matrox_fb_info { + struct fb_info fbcon; + + struct list_head next_fb; + + int dead; + int initialized; + unsigned int usecount; + + unsigned int userusecount; + unsigned long irq_flags; + + struct matroxfb_par curr; + struct matrox_hw_state hw; + + struct matrox_accel_data accel; + + struct pci_dev* pcidev; + + struct { + struct matrox_vsync vsync; + unsigned int pixclock; + int mnp; + int panpos; + } crtc1; + struct { + struct matrox_vsync vsync; + unsigned int pixclock; + int mnp; + struct matroxfb_dh_fb_info* info; + struct rw_semaphore lock; + } crtc2; + struct { + struct rw_semaphore lock; + struct { + int brightness, contrast, saturation, hue, gamma; + int testout, deflicker; + } tvo_params; + } altout; +#define MATROXFB_MAX_OUTPUTS 3 + struct { + unsigned int src; + struct matrox_altout* output; + void* data; + unsigned int mode; + unsigned int default_src; + } outputs[MATROXFB_MAX_OUTPUTS]; + +#define MATROXFB_MAX_FB_DRIVERS 5 + struct matroxfb_driver* (drivers[MATROXFB_MAX_FB_DRIVERS]); + void* (drivers_data[MATROXFB_MAX_FB_DRIVERS]); + unsigned int drivers_count; + + struct { + unsigned long base; /* physical */ + vaddr_t vbase; /* CPU view */ + unsigned int len; + unsigned int len_usable; + unsigned int len_maximum; + } video; + + struct { + unsigned long base; /* physical */ + vaddr_t vbase; /* CPU view */ + unsigned int len; + } mmio; + + unsigned int max_pixel_clock; + unsigned int max_pixel_clock_panellink; + + struct matrox_switch* hw_switch; + + struct { + struct matrox_pll_features pll; + struct matrox_DAC1064_features DAC1064; + } features; + struct { + spinlock_t DAC; + spinlock_t accel; + } lock; + + enum mga_chip chip; + + int interleave; + int millenium; + int milleniumII; + struct { + int cfb4; + const int* vxres; + int cross4MB; + int text; + int plnwt; + int srcorg; + } capable; + int wc_cookie; + struct { + int precise_width; + int mga_24bpp_fix; + int novga; + int nobios; + int nopciretry; + int noinit; + int sgram; + int support32MB; + + int accelerator; + int text_type_aux; + int video64bits; + int crtc2; + int maven_capable; + unsigned int vgastep; + unsigned int textmode; + unsigned int textstep; + unsigned int textvram; /* character cells */ + unsigned int ydstorg; /* offset in bytes from video start to usable memory */ + /* 0 except for 6MB Millenium */ + int memtype; + int g450dac; + int dfp_type; + int panellink; /* G400 DFP possible (not G450/G550) */ + int dualhead; + unsigned int fbResource; + } devflags; + struct fb_ops fbops; + struct matrox_bios bios; + struct { + struct matrox_pll_limits pixel; + struct matrox_pll_limits system; + struct matrox_pll_limits video; + } limits; + struct { + struct matrox_pll_cache pixel; + struct matrox_pll_cache system; + struct matrox_pll_cache video; + } cache; + struct { + struct { + unsigned int video; + unsigned int system; + } pll; + struct { + u_int32_t opt; + u_int32_t opt2; + u_int32_t opt3; + u_int32_t mctlwtst; + u_int32_t mctlwtst_core; + u_int32_t memmisc; + u_int32_t memrdbk; + u_int32_t maccess; + } reg; + struct { + unsigned int ddr:1, + emrswen:1, + dll:1; + } memory; + } values; + u_int32_t cmap[16]; +}; + +#define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon) + +struct matrox_switch { + int (*preinit)(struct matrox_fb_info *minfo); + void (*reset)(struct matrox_fb_info *minfo); + int (*init)(struct matrox_fb_info *minfo, struct my_timming*); + void (*restore)(struct matrox_fb_info *minfo); +}; + +struct matroxfb_driver { + struct list_head node; + char* name; + void* (*probe)(struct matrox_fb_info* info); + void (*remove)(struct matrox_fb_info* info, void* data); +}; + +int matroxfb_register_driver(struct matroxfb_driver* drv); +void matroxfb_unregister_driver(struct matroxfb_driver* drv); + +#define PCI_OPTION_REG 0x40 +#define PCI_OPTION_ENABLE_ROM 0x40000000 + +#define PCI_MGA_INDEX 0x44 +#define PCI_MGA_DATA 0x48 +#define PCI_OPTION2_REG 0x50 +#define PCI_OPTION3_REG 0x54 +#define PCI_MEMMISC_REG 0x58 + +#define M_DWGCTL 0x1C00 +#define M_MACCESS 0x1C04 +#define M_CTLWTST 0x1C08 + +#define M_PLNWT 0x1C1C + +#define M_BCOL 0x1C20 +#define M_FCOL 0x1C24 + +#define M_SGN 0x1C58 +#define M_LEN 0x1C5C +#define M_AR0 0x1C60 +#define M_AR1 0x1C64 +#define M_AR2 0x1C68 +#define M_AR3 0x1C6C +#define M_AR4 0x1C70 +#define M_AR5 0x1C74 +#define M_AR6 0x1C78 + +#define M_CXBNDRY 0x1C80 +#define M_FXBNDRY 0x1C84 +#define M_YDSTLEN 0x1C88 +#define M_PITCH 0x1C8C +#define M_YDST 0x1C90 +#define M_YDSTORG 0x1C94 +#define M_YTOP 0x1C98 +#define M_YBOT 0x1C9C + +/* mystique only */ +#define M_CACHEFLUSH 0x1FFF + +#define M_EXEC 0x0100 + +#define M_DWG_TRAP 0x04 +#define M_DWG_BITBLT 0x08 +#define M_DWG_ILOAD 0x09 + +#define M_DWG_LINEAR 0x0080 +#define M_DWG_SOLID 0x0800 +#define M_DWG_ARZERO 0x1000 +#define M_DWG_SGNZERO 0x2000 +#define M_DWG_SHIFTZERO 0x4000 + +#define M_DWG_REPLACE 0x000C0000 +#define M_DWG_REPLACE2 (M_DWG_REPLACE | 0x40) +#define M_DWG_XOR 0x00060010 + +#define M_DWG_BFCOL 0x04000000 +#define M_DWG_BMONOWF 0x08000000 + +#define M_DWG_TRANSC 0x40000000 + +#define M_FIFOSTATUS 0x1E10 +#define M_STATUS 0x1E14 +#define M_ICLEAR 0x1E18 +#define M_IEN 0x1E1C + +#define M_VCOUNT 0x1E20 + +#define M_RESET 0x1E40 +#define M_MEMRDBK 0x1E44 + +#define M_AGP2PLL 0x1E4C + +#define M_OPMODE 0x1E54 +#define M_OPMODE_DMA_GEN_WRITE 0x00 +#define M_OPMODE_DMA_BLIT 0x04 +#define M_OPMODE_DMA_VECTOR_WRITE 0x08 +#define M_OPMODE_DMA_LE 0x0000 /* little endian - no transformation */ +#define M_OPMODE_DMA_BE_8BPP 0x0000 +#define M_OPMODE_DMA_BE_16BPP 0x0100 +#define M_OPMODE_DMA_BE_32BPP 0x0200 +#define M_OPMODE_DIR_LE 0x000000 /* little endian - no transformation */ +#define M_OPMODE_DIR_BE_8BPP 0x000000 +#define M_OPMODE_DIR_BE_16BPP 0x010000 +#define M_OPMODE_DIR_BE_32BPP 0x020000 + +#define M_ATTR_INDEX 0x1FC0 +#define M_ATTR_DATA 0x1FC1 + +#define M_MISC_REG 0x1FC2 +#define M_3C2_RD 0x1FC2 + +#define M_SEQ_INDEX 0x1FC4 +#define M_SEQ_DATA 0x1FC5 +#define M_SEQ1 0x01 +#define M_SEQ1_SCROFF 0x20 + +#define M_MISC_REG_READ 0x1FCC + +#define M_GRAPHICS_INDEX 0x1FCE +#define M_GRAPHICS_DATA 0x1FCF + +#define M_CRTC_INDEX 0x1FD4 + +#define M_ATTR_RESET 0x1FDA +#define M_3DA_WR 0x1FDA +#define M_INSTS1 0x1FDA + +#define M_EXTVGA_INDEX 0x1FDE +#define M_EXTVGA_DATA 0x1FDF + +/* G200 only */ +#define M_SRCORG 0x2CB4 +#define M_DSTORG 0x2CB8 + +#define M_RAMDAC_BASE 0x3C00 + +/* fortunately, same on TVP3026 and MGA1064 */ +#define M_DAC_REG (M_RAMDAC_BASE+0) +#define M_DAC_VAL (M_RAMDAC_BASE+1) +#define M_PALETTE_MASK (M_RAMDAC_BASE+2) + +#define M_X_INDEX 0x00 +#define M_X_DATAREG 0x0A + +#define DAC_XGENIOCTRL 0x2A +#define DAC_XGENIODATA 0x2B + +#define M_C2CTL 0x3C10 + +#define MX_OPTION_BSWAP 0x00000000 + +#ifdef __LITTLE_ENDIAN +#define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) +#define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) +#define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) +#define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) +#define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) +#else +#ifdef __BIG_ENDIAN +#define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) /* TODO */ +#define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT) +#define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT) +#define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT) /* TODO, ?32 */ +#define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT) +#else +#error "Byte ordering have to be defined. Cannot continue." +#endif +#endif + +#define mga_inb(addr) mga_readb(minfo->mmio.vbase, (addr)) +#define mga_inl(addr) mga_readl(minfo->mmio.vbase, (addr)) +#define mga_outb(addr,val) mga_writeb(minfo->mmio.vbase, (addr), (val)) +#define mga_outw(addr,val) mga_writew(minfo->mmio.vbase, (addr), (val)) +#define mga_outl(addr,val) mga_writel(minfo->mmio.vbase, (addr), (val)) +#define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1)) +#define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port)) + +#define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n)) + +#define WaitTillIdle() do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0) + +/* code speedup */ +#ifdef CONFIG_FB_MATROX_MILLENIUM +#define isInterleave(x) (x->interleave) +#define isMillenium(x) (x->millenium) +#define isMilleniumII(x) (x->milleniumII) +#else +#define isInterleave(x) (0) +#define isMillenium(x) (0) +#define isMilleniumII(x) (0) +#endif + +#define matroxfb_DAC_lock() spin_lock(&minfo->lock.DAC) +#define matroxfb_DAC_unlock() spin_unlock(&minfo->lock.DAC) +#define matroxfb_DAC_lock_irqsave(flags) spin_lock_irqsave(&minfo->lock.DAC, flags) +#define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags) +extern void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg, + int val); +extern int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg); +extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt); +extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc); +extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable); + +#ifdef MATROXFB_USE_SPINLOCKS +#define CRITBEGIN spin_lock_irqsave(&minfo->lock.accel, critflags); +#define CRITEND spin_unlock_irqrestore(&minfo->lock.accel, critflags); +#define CRITFLAGS unsigned long critflags; +#else +#define CRITBEGIN +#define CRITEND +#define CRITFLAGS +#endif + +#endif /* __MATROXFB_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.c b/drivers/video/fbdev/matrox/matroxfb_crtc2.c new file mode 100644 index 000000000..7655afa3f --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.c @@ -0,0 +1,739 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + */ + +#include "matroxfb_maven.h" +#include "matroxfb_crtc2.h" +#include "matroxfb_misc.h" +#include "matroxfb_DAC1064.h" +#include <linux/matroxfb.h> +#include <linux/slab.h> +#include <linux/uaccess.h> + +/* **************************************************** */ + +static int mem = 8192; + +module_param(mem, int, 0); +MODULE_PARM_DESC(mem, "Memory size reserved for dualhead (default=8MB)"); + +/* **************************************************** */ + +static int matroxfb_dh_setcolreg(unsigned regno, unsigned red, unsigned green, + unsigned blue, unsigned transp, struct fb_info* info) { + u_int32_t col; +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + + if (regno >= 16) + return 1; + if (m2info->fbcon.var.grayscale) { + /* gray = 0.30*R + 0.59*G + 0.11*B */ + red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; + } + red = CNVT_TOHW(red, m2info->fbcon.var.red.length); + green = CNVT_TOHW(green, m2info->fbcon.var.green.length); + blue = CNVT_TOHW(blue, m2info->fbcon.var.blue.length); + transp = CNVT_TOHW(transp, m2info->fbcon.var.transp.length); + + col = (red << m2info->fbcon.var.red.offset) | + (green << m2info->fbcon.var.green.offset) | + (blue << m2info->fbcon.var.blue.offset) | + (transp << m2info->fbcon.var.transp.offset); + + switch (m2info->fbcon.var.bits_per_pixel) { + case 16: + m2info->cmap[regno] = col | (col << 16); + break; + case 32: + m2info->cmap[regno] = col; + break; + } + return 0; +#undef m2info +} + +static void matroxfb_dh_restore(struct matroxfb_dh_fb_info* m2info, + struct my_timming* mt, + int mode, + unsigned int pos) { + u_int32_t tmp; + u_int32_t datactl; + struct matrox_fb_info *minfo = m2info->primary_dev; + + switch (mode) { + case 15: + tmp = 0x00200000; + break; + case 16: + tmp = 0x00400000; + break; +/* case 32: */ + default: + tmp = 0x00800000; + break; + } + tmp |= 0x00000001; /* enable CRTC2 */ + datactl = 0; + if (minfo->outputs[1].src == MATROXFB_SRC_CRTC2) { + if (minfo->devflags.g450dac) { + tmp |= 0x00000006; /* source from secondary pixel PLL */ + /* no vidrst when in monitor mode */ + if (minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) { + tmp |= 0xC0001000; /* Enable H/V vidrst */ + } + } else { + tmp |= 0x00000002; /* source from VDOCLK */ + tmp |= 0xC0000000; /* enable vvidrst & hvidrst */ + /* MGA TVO is our clock source */ + } + } else if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) { + tmp |= 0x00000004; /* source from pixclock */ + /* PIXPLL is our clock source */ + } + if (minfo->outputs[0].src == MATROXFB_SRC_CRTC2) { + tmp |= 0x00100000; /* connect CRTC2 to DAC */ + } + if (mt->interlaced) { + tmp |= 0x02000000; /* interlaced, second field is bigger, as G450 apparently ignores it */ + mt->VDisplay >>= 1; + mt->VSyncStart >>= 1; + mt->VSyncEnd >>= 1; + mt->VTotal >>= 1; + } + if ((mt->HTotal & 7) == 2) { + datactl |= 0x00000010; + mt->HTotal &= ~7; + } + tmp |= 0x10000000; /* 0x10000000 is VIDRST polarity */ + mga_outl(0x3C14, ((mt->HDisplay - 8) << 16) | (mt->HTotal - 8)); + mga_outl(0x3C18, ((mt->HSyncEnd - 8) << 16) | (mt->HSyncStart - 8)); + mga_outl(0x3C1C, ((mt->VDisplay - 1) << 16) | (mt->VTotal - 1)); + mga_outl(0x3C20, ((mt->VSyncEnd - 1) << 16) | (mt->VSyncStart - 1)); + mga_outl(0x3C24, ((mt->VSyncStart) << 16) | (mt->HSyncStart)); /* preload */ + { + u_int32_t linelen = m2info->fbcon.var.xres_virtual * (m2info->fbcon.var.bits_per_pixel >> 3); + if (tmp & 0x02000000) { + /* field #0 is smaller, so... */ + mga_outl(0x3C2C, pos); /* field #1 vmemory start */ + mga_outl(0x3C28, pos + linelen); /* field #0 vmemory start */ + linelen <<= 1; + m2info->interlaced = 1; + } else { + mga_outl(0x3C28, pos); /* vmemory start */ + m2info->interlaced = 0; + } + mga_outl(0x3C40, linelen); + } + mga_outl(0x3C4C, datactl); /* data control */ + if (tmp & 0x02000000) { + int i; + + mga_outl(0x3C10, tmp & ~0x02000000); + for (i = 0; i < 2; i++) { + unsigned int nl; + unsigned int lastl = 0; + + while ((nl = mga_inl(0x3C48) & 0xFFF) >= lastl) { + lastl = nl; + } + } + } + mga_outl(0x3C10, tmp); + minfo->hw.crtc2.ctl = tmp; + + tmp = mt->VDisplay << 16; /* line compare */ + if (mt->sync & FB_SYNC_HOR_HIGH_ACT) + tmp |= 0x00000100; + if (mt->sync & FB_SYNC_VERT_HIGH_ACT) + tmp |= 0x00000200; + mga_outl(0x3C44, tmp); +} + +static void matroxfb_dh_disable(struct matroxfb_dh_fb_info* m2info) { + struct matrox_fb_info *minfo = m2info->primary_dev; + + mga_outl(0x3C10, 0x00000004); /* disable CRTC2, CRTC1->DAC1, PLL as clock source */ + minfo->hw.crtc2.ctl = 0x00000004; +} + +static void matroxfb_dh_pan_var(struct matroxfb_dh_fb_info* m2info, + struct fb_var_screeninfo* var) { + unsigned int pos; + unsigned int linelen; + unsigned int pixelsize; + struct matrox_fb_info *minfo = m2info->primary_dev; + + m2info->fbcon.var.xoffset = var->xoffset; + m2info->fbcon.var.yoffset = var->yoffset; + pixelsize = m2info->fbcon.var.bits_per_pixel >> 3; + linelen = m2info->fbcon.var.xres_virtual * pixelsize; + pos = m2info->fbcon.var.yoffset * linelen + m2info->fbcon.var.xoffset * pixelsize; + pos += m2info->video.offbase; + if (m2info->interlaced) { + mga_outl(0x3C2C, pos); + mga_outl(0x3C28, pos + linelen); + } else { + mga_outl(0x3C28, pos); + } +} + +static int matroxfb_dh_decode_var(struct matroxfb_dh_fb_info* m2info, + struct fb_var_screeninfo* var, + int *visual, + int *video_cmap_len, + int *mode) { + unsigned int mask; + unsigned int memlen; + unsigned int vramlen; + + switch (var->bits_per_pixel) { + case 16: mask = 0x1F; + break; + case 32: mask = 0x0F; + break; + default: return -EINVAL; + } + vramlen = m2info->video.len_usable; + if (var->yres_virtual < var->yres) + var->yres_virtual = var->yres; + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + var->xres_virtual = (var->xres_virtual + mask) & ~mask; + if (var->yres_virtual > 32767) + return -EINVAL; + memlen = var->xres_virtual * var->yres_virtual * (var->bits_per_pixel >> 3); + if (memlen > vramlen) + return -EINVAL; + if (var->xoffset + var->xres > var->xres_virtual) + var->xoffset = var->xres_virtual - var->xres; + if (var->yoffset + var->yres > var->yres_virtual) + var->yoffset = var->yres_virtual - var->yres; + + var->xres &= ~7; + var->left_margin &= ~7; + var->right_margin &= ~7; + var->hsync_len &= ~7; + + *mode = var->bits_per_pixel; + if (var->bits_per_pixel == 16) { + if (var->green.length == 5) { + var->red.offset = 10; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 5; + var->blue.offset = 0; + var->blue.length = 5; + var->transp.offset = 15; + var->transp.length = 1; + *mode = 15; + } else { + var->red.offset = 11; + var->red.length = 5; + var->green.offset = 5; + var->green.length = 6; + var->blue.offset = 0; + var->blue.length = 5; + var->transp.offset = 0; + var->transp.length = 0; + } + } else { + var->red.offset = 16; + var->red.length = 8; + var->green.offset = 8; + var->green.length = 8; + var->blue.offset = 0; + var->blue.length = 8; + var->transp.offset = 24; + var->transp.length = 8; + } + *visual = FB_VISUAL_TRUECOLOR; + *video_cmap_len = 16; + return 0; +} + +static int matroxfb_dh_open(struct fb_info* info, int user) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + struct matrox_fb_info *minfo = m2info->primary_dev; + + if (minfo) { + int err; + + if (minfo->dead) { + return -ENXIO; + } + err = minfo->fbops.fb_open(&minfo->fbcon, user); + if (err) { + return err; + } + } + return 0; +#undef m2info +} + +static int matroxfb_dh_release(struct fb_info* info, int user) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + int err = 0; + struct matrox_fb_info *minfo = m2info->primary_dev; + + if (minfo) { + err = minfo->fbops.fb_release(&minfo->fbcon, user); + } + return err; +#undef m2info +} + +/* + * This function is called before the register_framebuffer so + * no locking is needed. + */ +static void matroxfb_dh_init_fix(struct matroxfb_dh_fb_info *m2info) +{ + struct fb_fix_screeninfo *fix = &m2info->fbcon.fix; + + strcpy(fix->id, "MATROX DH"); + + fix->smem_start = m2info->video.base; + fix->smem_len = m2info->video.len_usable; + fix->ypanstep = 1; + fix->ywrapstep = 0; + fix->xpanstep = 8; /* TBD */ + fix->mmio_start = m2info->mmio.base; + fix->mmio_len = m2info->mmio.len; + fix->accel = 0; /* no accel... */ +} + +static int matroxfb_dh_check_var(struct fb_var_screeninfo* var, struct fb_info* info) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + int visual; + int cmap_len; + int mode; + + return matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode); +#undef m2info +} + +static int matroxfb_dh_set_par(struct fb_info* info) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + int visual; + int cmap_len; + int mode; + int err; + struct fb_var_screeninfo* var = &info->var; + struct matrox_fb_info *minfo = m2info->primary_dev; + + if ((err = matroxfb_dh_decode_var(m2info, var, &visual, &cmap_len, &mode)) != 0) + return err; + /* cmap */ + { + m2info->fbcon.screen_base = vaddr_va(m2info->video.vbase); + m2info->fbcon.fix.visual = visual; + m2info->fbcon.fix.type = FB_TYPE_PACKED_PIXELS; + m2info->fbcon.fix.type_aux = 0; + m2info->fbcon.fix.line_length = (var->xres_virtual * var->bits_per_pixel) >> 3; + } + { + struct my_timming mt; + unsigned int pos; + int out; + int cnt; + + matroxfb_var2my(&m2info->fbcon.var, &mt); + mt.crtc = MATROXFB_SRC_CRTC2; + /* CRTC2 delay */ + mt.delay = 34; + + pos = (m2info->fbcon.var.yoffset * m2info->fbcon.var.xres_virtual + m2info->fbcon.var.xoffset) * m2info->fbcon.var.bits_per_pixel >> 3; + pos += m2info->video.offbase; + cnt = 0; + down_read(&minfo->altout.lock); + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { + cnt++; + if (minfo->outputs[out].output->compute) { + minfo->outputs[out].output->compute(minfo->outputs[out].data, &mt); + } + } + } + minfo->crtc2.pixclock = mt.pixclock; + minfo->crtc2.mnp = mt.mnp; + up_read(&minfo->altout.lock); + if (cnt) { + matroxfb_dh_restore(m2info, &mt, mode, pos); + } else { + matroxfb_dh_disable(m2info); + } + DAC1064_global_init(minfo); + DAC1064_global_restore(minfo); + down_read(&minfo->altout.lock); + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2 && + minfo->outputs[out].output->program) { + minfo->outputs[out].output->program(minfo->outputs[out].data); + } + } + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2 && + minfo->outputs[out].output->start) { + minfo->outputs[out].output->start(minfo->outputs[out].data); + } + } + up_read(&minfo->altout.lock); + } + m2info->initialized = 1; + return 0; +#undef m2info +} + +static int matroxfb_dh_pan_display(struct fb_var_screeninfo* var, struct fb_info* info) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + matroxfb_dh_pan_var(m2info, var); + return 0; +#undef m2info +} + +static int matroxfb_dh_get_vblank(const struct matroxfb_dh_fb_info* m2info, struct fb_vblank* vblank) { + struct matrox_fb_info *minfo = m2info->primary_dev; + + matroxfb_enable_irq(minfo, 0); + memset(vblank, 0, sizeof(*vblank)); + vblank->flags = FB_VBLANK_HAVE_VCOUNT | FB_VBLANK_HAVE_VBLANK; + /* mask out reserved bits + field number (odd/even) */ + vblank->vcount = mga_inl(0x3C48) & 0x000007FF; + /* compatibility stuff */ + if (vblank->vcount >= m2info->fbcon.var.yres) + vblank->flags |= FB_VBLANK_VBLANKING; + if (test_bit(0, &minfo->irq_flags)) { + vblank->flags |= FB_VBLANK_HAVE_COUNT; + /* Only one writer, aligned int value... + it should work without lock and without atomic_t */ + vblank->count = minfo->crtc2.vsync.cnt; + } + return 0; +} + +static int matroxfb_dh_ioctl(struct fb_info *info, + unsigned int cmd, + unsigned long arg) +{ +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + struct matrox_fb_info *minfo = m2info->primary_dev; + + DBG(__func__) + + switch (cmd) { + case FBIOGET_VBLANK: + { + struct fb_vblank vblank; + int err; + + err = matroxfb_dh_get_vblank(m2info, &vblank); + if (err) + return err; + if (copy_to_user((void __user *)arg, &vblank, sizeof(vblank))) + return -EFAULT; + return 0; + } + case FBIO_WAITFORVSYNC: + { + u_int32_t crt; + + if (get_user(crt, (u_int32_t __user *)arg)) + return -EFAULT; + + if (crt != 0) + return -ENODEV; + return matroxfb_wait_for_sync(minfo, 1); + } + case MATROXFB_SET_OUTPUT_MODE: + case MATROXFB_GET_OUTPUT_MODE: + case MATROXFB_GET_ALL_OUTPUTS: + { + return minfo->fbcon.fbops->fb_ioctl(&minfo->fbcon, cmd, arg); + } + case MATROXFB_SET_OUTPUT_CONNECTION: + { + u_int32_t tmp; + int out; + int changes; + + if (get_user(tmp, (u_int32_t __user *)arg)) + return -EFAULT; + for (out = 0; out < 32; out++) { + if (tmp & (1 << out)) { + if (out >= MATROXFB_MAX_OUTPUTS) + return -ENXIO; + if (!minfo->outputs[out].output) + return -ENXIO; + switch (minfo->outputs[out].src) { + case MATROXFB_SRC_NONE: + case MATROXFB_SRC_CRTC2: + break; + default: + return -EBUSY; + } + } + } + if (minfo->devflags.panellink) { + if (tmp & MATROXFB_OUTPUT_CONN_DFP) + return -EINVAL; + if ((minfo->outputs[2].src == MATROXFB_SRC_CRTC1) && tmp) + return -EBUSY; + } + changes = 0; + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (tmp & (1 << out)) { + if (minfo->outputs[out].src != MATROXFB_SRC_CRTC2) { + changes = 1; + minfo->outputs[out].src = MATROXFB_SRC_CRTC2; + } + } else if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { + changes = 1; + minfo->outputs[out].src = MATROXFB_SRC_NONE; + } + } + if (!changes) + return 0; + matroxfb_dh_set_par(info); + return 0; + } + case MATROXFB_GET_OUTPUT_CONNECTION: + { + u_int32_t conn = 0; + int out; + + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].src == MATROXFB_SRC_CRTC2) { + conn |= 1 << out; + } + } + if (put_user(conn, (u_int32_t __user *)arg)) + return -EFAULT; + return 0; + } + case MATROXFB_GET_AVAILABLE_OUTPUTS: + { + u_int32_t tmp = 0; + int out; + + for (out = 0; out < MATROXFB_MAX_OUTPUTS; out++) { + if (minfo->outputs[out].output) { + switch (minfo->outputs[out].src) { + case MATROXFB_SRC_NONE: + case MATROXFB_SRC_CRTC2: + tmp |= 1 << out; + break; + } + } + } + if (minfo->devflags.panellink) { + tmp &= ~MATROXFB_OUTPUT_CONN_DFP; + if (minfo->outputs[2].src == MATROXFB_SRC_CRTC1) { + tmp = 0; + } + } + if (put_user(tmp, (u_int32_t __user *)arg)) + return -EFAULT; + return 0; + } + } + return -ENOTTY; +#undef m2info +} + +static int matroxfb_dh_blank(int blank, struct fb_info* info) { +#define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon)) + switch (blank) { + case 1: + case 2: + case 3: + case 4: + default:; + } + /* do something... */ + return 0; +#undef m2info +} + +static const struct fb_ops matroxfb_dh_ops = { + .owner = THIS_MODULE, + .fb_open = matroxfb_dh_open, + .fb_release = matroxfb_dh_release, + .fb_check_var = matroxfb_dh_check_var, + .fb_set_par = matroxfb_dh_set_par, + .fb_setcolreg = matroxfb_dh_setcolreg, + .fb_pan_display =matroxfb_dh_pan_display, + .fb_blank = matroxfb_dh_blank, + .fb_ioctl = matroxfb_dh_ioctl, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, +}; + +static struct fb_var_screeninfo matroxfb_dh_defined = { + 640,480,640,480,/* W,H, virtual W,H */ + 0,0, /* offset */ + 32, /* depth */ + 0, /* gray */ + {0,0,0}, /* R */ + {0,0,0}, /* G */ + {0,0,0}, /* B */ + {0,0,0}, /* alpha */ + 0, /* nonstd */ + FB_ACTIVATE_NOW, + -1,-1, /* display size */ + 0, /* accel flags */ + 39721L,48L,16L,33L,10L, + 96L,2,0, /* no sync info */ + FB_VMODE_NONINTERLACED, +}; + +static int matroxfb_dh_regit(const struct matrox_fb_info *minfo, + struct matroxfb_dh_fb_info *m2info) +{ +#define minfo (m2info->primary_dev) + void* oldcrtc2; + + m2info->fbcon.fbops = &matroxfb_dh_ops; + m2info->fbcon.flags = FBINFO_FLAG_DEFAULT; + m2info->fbcon.flags |= FBINFO_HWACCEL_XPAN | + FBINFO_HWACCEL_YPAN; + m2info->fbcon.pseudo_palette = m2info->cmap; + fb_alloc_cmap(&m2info->fbcon.cmap, 256, 1); + + if (mem < 64) + mem *= 1024; + if (mem < 64*1024) + mem *= 1024; + mem &= ~0x00000FFF; /* PAGE_MASK? */ + if (minfo->video.len_usable + mem <= minfo->video.len) + m2info->video.offbase = minfo->video.len - mem; + else if (minfo->video.len < mem) { + return -ENOMEM; + } else { /* check yres on first head... */ + m2info->video.borrowed = mem; + minfo->video.len_usable -= mem; + m2info->video.offbase = minfo->video.len_usable; + } + m2info->video.base = minfo->video.base + m2info->video.offbase; + m2info->video.len = m2info->video.len_usable = m2info->video.len_maximum = mem; + m2info->video.vbase.vaddr = vaddr_va(minfo->video.vbase) + m2info->video.offbase; + m2info->mmio.base = minfo->mmio.base; + m2info->mmio.vbase = minfo->mmio.vbase; + m2info->mmio.len = minfo->mmio.len; + + matroxfb_dh_init_fix(m2info); + if (register_framebuffer(&m2info->fbcon)) { + return -ENXIO; + } + if (!m2info->initialized) + fb_set_var(&m2info->fbcon, &matroxfb_dh_defined); + down_write(&minfo->crtc2.lock); + oldcrtc2 = minfo->crtc2.info; + minfo->crtc2.info = m2info; + up_write(&minfo->crtc2.lock); + if (oldcrtc2) { + printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 already present: %p\n", + oldcrtc2); + } + return 0; +#undef minfo +} + +/* ************************** */ + +static int matroxfb_dh_registerfb(struct matroxfb_dh_fb_info* m2info) { +#define minfo (m2info->primary_dev) + if (matroxfb_dh_regit(minfo, m2info)) { + printk(KERN_ERR "matroxfb_crtc2: secondary head failed to register\n"); + return -1; + } + printk(KERN_INFO "matroxfb_crtc2: secondary head of fb%u was registered as fb%u\n", + minfo->fbcon.node, m2info->fbcon.node); + m2info->fbcon_registered = 1; + return 0; +#undef minfo +} + +static void matroxfb_dh_deregisterfb(struct matroxfb_dh_fb_info* m2info) { +#define minfo (m2info->primary_dev) + if (m2info->fbcon_registered) { + int id; + struct matroxfb_dh_fb_info* crtc2; + + down_write(&minfo->crtc2.lock); + crtc2 = minfo->crtc2.info; + if (crtc2 == m2info) + minfo->crtc2.info = NULL; + up_write(&minfo->crtc2.lock); + if (crtc2 != m2info) { + printk(KERN_ERR "matroxfb_crtc2: Internal consistency check failed: crtc2 mismatch at unload: %p != %p\n", + crtc2, m2info); + printk(KERN_ERR "matroxfb_crtc2: Expect kernel crash after module unload.\n"); + return; + } + id = m2info->fbcon.node; + unregister_framebuffer(&m2info->fbcon); + /* return memory back to primary head */ + minfo->video.len_usable += m2info->video.borrowed; + printk(KERN_INFO "matroxfb_crtc2: fb%u unregistered\n", id); + m2info->fbcon_registered = 0; + } +#undef minfo +} + +static void* matroxfb_crtc2_probe(struct matrox_fb_info* minfo) { + struct matroxfb_dh_fb_info* m2info; + + /* hardware is CRTC2 incapable... */ + if (!minfo->devflags.crtc2) + return NULL; + m2info = kzalloc(sizeof(*m2info), GFP_KERNEL); + if (!m2info) + return NULL; + + m2info->primary_dev = minfo; + if (matroxfb_dh_registerfb(m2info)) { + kfree(m2info); + printk(KERN_ERR "matroxfb_crtc2: CRTC2 framebuffer failed to register\n"); + return NULL; + } + return m2info; +} + +static void matroxfb_crtc2_remove(struct matrox_fb_info* minfo, void* crtc2) { + matroxfb_dh_deregisterfb(crtc2); + kfree(crtc2); +} + +static struct matroxfb_driver crtc2 = { + .name = "Matrox G400 CRTC2", + .probe = matroxfb_crtc2_probe, + .remove = matroxfb_crtc2_remove }; + +static int matroxfb_crtc2_init(void) { + if (fb_get_options("matrox_crtc2fb", NULL)) + return -ENODEV; + + matroxfb_register_driver(&crtc2); + return 0; +} + +static void matroxfb_crtc2_exit(void) { + matroxfb_unregister_driver(&crtc2); +} + +MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Matrox G400 CRTC2 driver"); +MODULE_LICENSE("GPL"); +module_init(matroxfb_crtc2_init); +module_exit(matroxfb_crtc2_exit); +/* we do not have __setup() yet */ diff --git a/drivers/video/fbdev/matrox/matroxfb_crtc2.h b/drivers/video/fbdev/matrox/matroxfb_crtc2.h new file mode 100644 index 000000000..23e90e210 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_crtc2.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_CRTC2_H__ +#define __MATROXFB_CRTC2_H__ + +#include <linux/ioctl.h> +#include "matroxfb_base.h" + +struct matroxfb_dh_fb_info { + struct fb_info fbcon; + int fbcon_registered; + int initialized; + + struct matrox_fb_info* primary_dev; + + struct { + unsigned long base; /* physical */ + vaddr_t vbase; /* virtual */ + unsigned int len; + unsigned int len_usable; + unsigned int len_maximum; + unsigned int offbase; + unsigned int borrowed; + } video; + struct { + unsigned long base; + vaddr_t vbase; + unsigned int len; + } mmio; + + unsigned int interlaced:1; + + u_int32_t cmap[16]; +}; + +#endif /* __MATROXFB_CRTC2_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_g450.c b/drivers/video/fbdev/matrox/matroxfb_g450.c new file mode 100644 index 000000000..df3309fd1 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_g450.c @@ -0,0 +1,641 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * See matroxfb_base.c for contributors. + * + */ + +#include "matroxfb_base.h" +#include "matroxfb_misc.h" +#include "matroxfb_DAC1064.h" +#include "g450_pll.h" +#include <linux/matroxfb.h> +#include <asm/div64.h> + +#include "matroxfb_g450.h" + +/* Definition of the various controls */ +struct mctl { + struct v4l2_queryctrl desc; + size_t control; +}; + +#define BLMIN 0xF3 +#define WLMAX 0x3FF + +static const struct mctl g450_controls[] = +{ { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER, + "brightness", + 0, WLMAX-BLMIN, 1, 370-BLMIN, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) }, + { { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER, + "contrast", + 0, 1023, 1, 127, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) }, + { { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER, + "saturation", + 0, 255, 1, 165, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) }, + { { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER, + "hue", + 0, 255, 1, 0, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.hue) }, + { { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN, + "test output", + 0, 1, 1, 0, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.testout) }, +}; + +#define G450CTRLS ARRAY_SIZE(g450_controls) + +/* Return: positive number: id found + -EINVAL: id not found, return failure + -ENOENT: id not found, create fake disabled control */ +static int get_ctrl_id(__u32 v4l2_id) { + int i; + + for (i = 0; i < G450CTRLS; i++) { + if (v4l2_id < g450_controls[i].desc.id) { + if (g450_controls[i].desc.id == 0x08000000) { + return -EINVAL; + } + return -ENOENT; + } + if (v4l2_id == g450_controls[i].desc.id) { + return i; + } + } + return -EINVAL; +} + +static inline int *get_ctrl_ptr(struct matrox_fb_info *minfo, unsigned int idx) +{ + return (int*)((char*)minfo + g450_controls[idx].control); +} + +static void tvo_fill_defaults(struct matrox_fb_info *minfo) +{ + unsigned int i; + + for (i = 0; i < G450CTRLS; i++) { + *get_ctrl_ptr(minfo, i) = g450_controls[i].desc.default_value; + } +} + +static int cve2_get_reg(struct matrox_fb_info *minfo, int reg) +{ + unsigned long flags; + int val; + + matroxfb_DAC_lock_irqsave(flags); + matroxfb_DAC_out(minfo, 0x87, reg); + val = matroxfb_DAC_in(minfo, 0x88); + matroxfb_DAC_unlock_irqrestore(flags); + return val; +} + +static void cve2_set_reg(struct matrox_fb_info *minfo, int reg, int val) +{ + unsigned long flags; + + matroxfb_DAC_lock_irqsave(flags); + matroxfb_DAC_out(minfo, 0x87, reg); + matroxfb_DAC_out(minfo, 0x88, val); + matroxfb_DAC_unlock_irqrestore(flags); +} + +static void cve2_set_reg10(struct matrox_fb_info *minfo, int reg, int val) +{ + unsigned long flags; + + matroxfb_DAC_lock_irqsave(flags); + matroxfb_DAC_out(minfo, 0x87, reg); + matroxfb_DAC_out(minfo, 0x88, val >> 2); + matroxfb_DAC_out(minfo, 0x87, reg + 1); + matroxfb_DAC_out(minfo, 0x88, val & 3); + matroxfb_DAC_unlock_irqrestore(flags); +} + +static void g450_compute_bwlevel(const struct matrox_fb_info *minfo, int *bl, + int *wl) +{ + const int b = minfo->altout.tvo_params.brightness + BLMIN; + const int c = minfo->altout.tvo_params.contrast; + + *bl = max(b - c, BLMIN); + *wl = min(b + c, WLMAX); +} + +static int g450_query_ctrl(void* md, struct v4l2_queryctrl *p) { + int i; + + i = get_ctrl_id(p->id); + if (i >= 0) { + *p = g450_controls[i].desc; + return 0; + } + if (i == -ENOENT) { + static const struct v4l2_queryctrl disctrl = + { .flags = V4L2_CTRL_FLAG_DISABLED }; + + i = p->id; + *p = disctrl; + p->id = i; + sprintf(p->name, "Ctrl #%08X", i); + return 0; + } + return -EINVAL; +} + +static int g450_set_ctrl(void* md, struct v4l2_control *p) { + int i; + struct matrox_fb_info *minfo = md; + + i = get_ctrl_id(p->id); + if (i < 0) return -EINVAL; + + /* + * Check if changed. + */ + if (p->value == *get_ctrl_ptr(minfo, i)) return 0; + + /* + * Check limits. + */ + if (p->value > g450_controls[i].desc.maximum) return -EINVAL; + if (p->value < g450_controls[i].desc.minimum) return -EINVAL; + + /* + * Store new value. + */ + *get_ctrl_ptr(minfo, i) = p->value; + + switch (p->id) { + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + { + int blacklevel, whitelevel; + g450_compute_bwlevel(minfo, &blacklevel, &whitelevel); + cve2_set_reg10(minfo, 0x0e, blacklevel); + cve2_set_reg10(minfo, 0x1e, whitelevel); + } + break; + case V4L2_CID_SATURATION: + cve2_set_reg(minfo, 0x20, p->value); + cve2_set_reg(minfo, 0x22, p->value); + break; + case V4L2_CID_HUE: + cve2_set_reg(minfo, 0x25, p->value); + break; + case MATROXFB_CID_TESTOUT: + { + unsigned char val = cve2_get_reg(minfo, 0x05); + if (p->value) val |= 0x02; + else val &= ~0x02; + cve2_set_reg(minfo, 0x05, val); + } + break; + } + + + return 0; +} + +static int g450_get_ctrl(void* md, struct v4l2_control *p) { + int i; + struct matrox_fb_info *minfo = md; + + i = get_ctrl_id(p->id); + if (i < 0) return -EINVAL; + p->value = *get_ctrl_ptr(minfo, i); + return 0; +} + +struct output_desc { + unsigned int h_vis; + unsigned int h_f_porch; + unsigned int h_sync; + unsigned int h_b_porch; + unsigned long long int chromasc; + unsigned int burst; + unsigned int v_total; +}; + +static void computeRegs(struct matrox_fb_info *minfo, struct mavenregs *r, + struct my_timming *mt, const struct output_desc *outd) +{ + u_int32_t chromasc; + u_int32_t hlen; + u_int32_t hsl; + u_int32_t hbp; + u_int32_t hfp; + u_int32_t hvis; + unsigned int pixclock; + unsigned long long piic; + int mnp; + int over; + + r->regs[0x80] = 0x03; /* | 0x40 for SCART */ + + hvis = ((mt->HDisplay << 1) + 3) & ~3; + + if (hvis >= 2048) { + hvis = 2044; + } + + piic = 1000000000ULL * hvis; + do_div(piic, outd->h_vis); + + dprintk(KERN_DEBUG "Want %u kHz pixclock\n", (unsigned int)piic); + + mnp = matroxfb_g450_setclk(minfo, piic, M_VIDEO_PLL); + + mt->mnp = mnp; + mt->pixclock = g450_mnp2f(minfo, mnp); + + dprintk(KERN_DEBUG "MNP=%08X\n", mnp); + + pixclock = 1000000000U / mt->pixclock; + + dprintk(KERN_DEBUG "Got %u ps pixclock\n", pixclock); + + piic = outd->chromasc; + do_div(piic, mt->pixclock); + chromasc = piic; + + dprintk(KERN_DEBUG "Chroma is %08X\n", chromasc); + + r->regs[0] = piic >> 24; + r->regs[1] = piic >> 16; + r->regs[2] = piic >> 8; + r->regs[3] = piic >> 0; + hbp = (((outd->h_b_porch + pixclock) / pixclock)) & ~1; + hfp = (((outd->h_f_porch + pixclock) / pixclock)) & ~1; + hsl = (((outd->h_sync + pixclock) / pixclock)) & ~1; + hlen = hvis + hfp + hsl + hbp; + over = hlen & 0x0F; + + dprintk(KERN_DEBUG "WL: vis=%u, hf=%u, hs=%u, hb=%u, total=%u\n", hvis, hfp, hsl, hbp, hlen); + + if (over) { + hfp -= over; + hlen -= over; + if (over <= 2) { + } else if (over < 10) { + hfp += 4; + hlen += 4; + } else { + hfp += 16; + hlen += 16; + } + } + + /* maybe cve2 has requirement 800 < hlen < 1184 */ + r->regs[0x08] = hsl; + r->regs[0x09] = (outd->burst + pixclock - 1) / pixclock; /* burst length */ + r->regs[0x0A] = hbp; + r->regs[0x2C] = hfp; + r->regs[0x31] = hvis / 8; + r->regs[0x32] = hvis & 7; + + dprintk(KERN_DEBUG "PG: vis=%04X, hf=%02X, hs=%02X, hb=%02X, total=%04X\n", hvis, hfp, hsl, hbp, hlen); + + r->regs[0x84] = 1; /* x sync point */ + r->regs[0x85] = 0; + hvis = hvis >> 1; + hlen = hlen >> 1; + + dprintk(KERN_DEBUG "hlen=%u hvis=%u\n", hlen, hvis); + + mt->interlaced = 1; + + mt->HDisplay = hvis & ~7; + mt->HSyncStart = mt->HDisplay + 8; + mt->HSyncEnd = (hlen & ~7) - 8; + mt->HTotal = hlen; + + { + int upper; + unsigned int vtotal; + unsigned int vsyncend; + unsigned int vdisplay; + + vtotal = mt->VTotal; + vsyncend = mt->VSyncEnd; + vdisplay = mt->VDisplay; + if (vtotal < outd->v_total) { + unsigned int yovr = outd->v_total - vtotal; + + vsyncend += yovr >> 1; + } else if (vtotal > outd->v_total) { + vdisplay = outd->v_total - 4; + vsyncend = outd->v_total; + } + upper = (outd->v_total - vsyncend) >> 1; /* in field lines */ + r->regs[0x17] = outd->v_total / 4; + r->regs[0x18] = outd->v_total & 3; + r->regs[0x33] = upper - 1; /* upper blanking */ + r->regs[0x82] = upper; /* y sync point */ + r->regs[0x83] = upper >> 8; + + mt->VDisplay = vdisplay; + mt->VSyncStart = outd->v_total - 2; + mt->VSyncEnd = outd->v_total; + mt->VTotal = outd->v_total; + } +} + +static void cve2_init_TVdata(int norm, struct mavenregs* data, const struct output_desc** outd) { + static const struct output_desc paloutd = { + .h_vis = 52148148, // ps + .h_f_porch = 1407407, // ps + .h_sync = 4666667, // ps + .h_b_porch = 5777778, // ps + .chromasc = 19042247534182ULL, // 4433618.750 Hz + .burst = 2518518, // ps + .v_total = 625, + }; + static const struct output_desc ntscoutd = { + .h_vis = 52888889, // ps + .h_f_porch = 1333333, // ps + .h_sync = 4666667, // ps + .h_b_porch = 4666667, // ps + .chromasc = 15374030659475ULL, // 3579545.454 Hz + .burst = 2418418, // ps + .v_total = 525, // lines + }; + + static const struct mavenregs palregs = { { + 0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */ + 0x00, + 0x00, /* test */ + 0xF9, /* modified by code (F9 written...) */ + 0x00, /* ? not written */ + 0x7E, /* 08 */ + 0x44, /* 09 */ + 0x9C, /* 0A */ + 0x2E, /* 0B */ + 0x21, /* 0C */ + 0x00, /* ? not written */ +// 0x3F, 0x03, /* 0E-0F */ + 0x3C, 0x03, + 0x3C, 0x03, /* 10-11 */ + 0x1A, /* 12 */ + 0x2A, /* 13 */ + 0x1C, 0x3D, 0x14, /* 14-16 */ + 0x9C, 0x01, /* 17-18 */ + 0x00, /* 19 */ + 0xFE, /* 1A */ + 0x7E, /* 1B */ + 0x60, /* 1C */ + 0x05, /* 1D */ +// 0x89, 0x03, /* 1E-1F */ + 0xAD, 0x03, +// 0x72, /* 20 */ + 0xA5, + 0x07, /* 21 */ +// 0x72, /* 22 */ + 0xA5, + 0x00, /* 23 */ + 0x00, /* 24 */ + 0x00, /* 25 */ + 0x08, /* 26 */ + 0x04, /* 27 */ + 0x00, /* 28 */ + 0x1A, /* 29 */ + 0x55, 0x01, /* 2A-2B */ + 0x26, /* 2C */ + 0x07, 0x7E, /* 2D-2E */ + 0x02, 0x54, /* 2F-30 */ + 0xB0, 0x00, /* 31-32 */ + 0x14, /* 33 */ + 0x49, /* 34 */ + 0x00, /* 35 written multiple times */ + 0x00, /* 36 not written */ + 0xA3, /* 37 */ + 0xC8, /* 38 */ + 0x22, /* 39 */ + 0x02, /* 3A */ + 0x22, /* 3B */ + 0x3F, 0x03, /* 3C-3D */ + 0x00, /* 3E written multiple times */ + 0x00, /* 3F not written */ + } }; + static const struct mavenregs ntscregs = { { + 0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */ + 0x00, + 0x00, /* test */ + 0xF9, /* modified by code (F9 written...) */ + 0x00, /* ? not written */ + 0x7E, /* 08 */ + 0x43, /* 09 */ + 0x7E, /* 0A */ + 0x3D, /* 0B */ + 0x00, /* 0C */ + 0x00, /* ? not written */ + 0x41, 0x00, /* 0E-0F */ + 0x3C, 0x00, /* 10-11 */ + 0x17, /* 12 */ + 0x21, /* 13 */ + 0x1B, 0x1B, 0x24, /* 14-16 */ + 0x83, 0x01, /* 17-18 */ + 0x00, /* 19 */ + 0x0F, /* 1A */ + 0x0F, /* 1B */ + 0x60, /* 1C */ + 0x05, /* 1D */ + //0x89, 0x02, /* 1E-1F */ + 0xC0, 0x02, /* 1E-1F */ + //0x5F, /* 20 */ + 0x9C, /* 20 */ + 0x04, /* 21 */ + //0x5F, /* 22 */ + 0x9C, /* 22 */ + 0x01, /* 23 */ + 0x02, /* 24 */ + 0x00, /* 25 */ + 0x0A, /* 26 */ + 0x05, /* 27 */ + 0x00, /* 28 */ + 0x10, /* 29 */ + 0xFF, 0x03, /* 2A-2B */ + 0x24, /* 2C */ + 0x0F, 0x78, /* 2D-2E */ + 0x00, 0x00, /* 2F-30 */ + 0xB2, 0x04, /* 31-32 */ + 0x14, /* 33 */ + 0x02, /* 34 */ + 0x00, /* 35 written multiple times */ + 0x00, /* 36 not written */ + 0xA3, /* 37 */ + 0xC8, /* 38 */ + 0x15, /* 39 */ + 0x05, /* 3A */ + 0x3B, /* 3B */ + 0x3C, 0x00, /* 3C-3D */ + 0x00, /* 3E written multiple times */ + 0x00, /* never written */ + } }; + + if (norm == MATROXFB_OUTPUT_MODE_PAL) { + *data = palregs; + *outd = &paloutd; + } else { + *data = ntscregs; + *outd = &ntscoutd; + } + return; +} + +#define LR(x) cve2_set_reg(minfo, (x), m->regs[(x)]) +static void cve2_init_TV(struct matrox_fb_info *minfo, + const struct mavenregs *m) +{ + int i; + + LR(0x80); + LR(0x82); LR(0x83); + LR(0x84); LR(0x85); + + cve2_set_reg(minfo, 0x3E, 0x01); + + for (i = 0; i < 0x3E; i++) { + LR(i); + } + cve2_set_reg(minfo, 0x3E, 0x00); +} + +static int matroxfb_g450_compute(void* md, struct my_timming* mt) { + struct matrox_fb_info *minfo = md; + + dprintk(KERN_DEBUG "Computing, mode=%u\n", minfo->outputs[1].mode); + + if (mt->crtc == MATROXFB_SRC_CRTC2 && + minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) { + const struct output_desc* outd; + + cve2_init_TVdata(minfo->outputs[1].mode, &minfo->hw.maven, &outd); + { + int blacklevel, whitelevel; + g450_compute_bwlevel(minfo, &blacklevel, &whitelevel); + minfo->hw.maven.regs[0x0E] = blacklevel >> 2; + minfo->hw.maven.regs[0x0F] = blacklevel & 3; + minfo->hw.maven.regs[0x1E] = whitelevel >> 2; + minfo->hw.maven.regs[0x1F] = whitelevel & 3; + + minfo->hw.maven.regs[0x20] = + minfo->hw.maven.regs[0x22] = minfo->altout.tvo_params.saturation; + + minfo->hw.maven.regs[0x25] = minfo->altout.tvo_params.hue; + + if (minfo->altout.tvo_params.testout) { + minfo->hw.maven.regs[0x05] |= 0x02; + } + } + computeRegs(minfo, &minfo->hw.maven, mt, outd); + } else if (mt->mnp < 0) { + /* We must program clocks before CRTC2, otherwise interlaced mode + startup may fail */ + mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL); + mt->pixclock = g450_mnp2f(minfo, mt->mnp); + } + dprintk(KERN_DEBUG "Pixclock = %u\n", mt->pixclock); + return 0; +} + +static int matroxfb_g450_program(void* md) { + struct matrox_fb_info *minfo = md; + + if (minfo->outputs[1].mode != MATROXFB_OUTPUT_MODE_MONITOR) { + cve2_init_TV(minfo, &minfo->hw.maven); + } + return 0; +} + +static int matroxfb_g450_verify_mode(void* md, u_int32_t arg) { + switch (arg) { + case MATROXFB_OUTPUT_MODE_PAL: + case MATROXFB_OUTPUT_MODE_NTSC: + case MATROXFB_OUTPUT_MODE_MONITOR: + return 0; + } + return -EINVAL; +} + +static int g450_dvi_compute(void* md, struct my_timming* mt) { + struct matrox_fb_info *minfo = md; + + if (mt->mnp < 0) { + mt->mnp = matroxfb_g450_setclk(minfo, mt->pixclock, (mt->crtc == MATROXFB_SRC_CRTC1) ? M_PIXEL_PLL_C : M_VIDEO_PLL); + mt->pixclock = g450_mnp2f(minfo, mt->mnp); + } + return 0; +} + +static struct matrox_altout matroxfb_g450_altout = { + .name = "Secondary output", + .compute = matroxfb_g450_compute, + .program = matroxfb_g450_program, + .verifymode = matroxfb_g450_verify_mode, + .getqueryctrl = g450_query_ctrl, + .getctrl = g450_get_ctrl, + .setctrl = g450_set_ctrl, +}; + +static struct matrox_altout matroxfb_g450_dvi = { + .name = "DVI output", + .compute = g450_dvi_compute, +}; + +void matroxfb_g450_connect(struct matrox_fb_info *minfo) +{ + if (minfo->devflags.g450dac) { + down_write(&minfo->altout.lock); + tvo_fill_defaults(minfo); + minfo->outputs[1].src = minfo->outputs[1].default_src; + minfo->outputs[1].data = minfo; + minfo->outputs[1].output = &matroxfb_g450_altout; + minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; + minfo->outputs[2].src = minfo->outputs[2].default_src; + minfo->outputs[2].data = minfo; + minfo->outputs[2].output = &matroxfb_g450_dvi; + minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR; + up_write(&minfo->altout.lock); + } +} + +void matroxfb_g450_shutdown(struct matrox_fb_info *minfo) +{ + if (minfo->devflags.g450dac) { + down_write(&minfo->altout.lock); + minfo->outputs[1].src = MATROXFB_SRC_NONE; + minfo->outputs[1].output = NULL; + minfo->outputs[1].data = NULL; + minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; + minfo->outputs[2].src = MATROXFB_SRC_NONE; + minfo->outputs[2].output = NULL; + minfo->outputs[2].data = NULL; + minfo->outputs[2].mode = MATROXFB_OUTPUT_MODE_MONITOR; + up_write(&minfo->altout.lock); + } +} + +EXPORT_SYMBOL(matroxfb_g450_connect); +EXPORT_SYMBOL(matroxfb_g450_shutdown); + +MODULE_AUTHOR("(c) 2000-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Matrox G450/G550 output driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_g450.h b/drivers/video/fbdev/matrox/matroxfb_g450.h new file mode 100644 index 000000000..b5f17b86e --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_g450.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_G450_H__ +#define __MATROXFB_G450_H__ + +#include "matroxfb_base.h" + +#ifdef CONFIG_FB_MATROX_G +void matroxfb_g450_connect(struct matrox_fb_info *minfo); +void matroxfb_g450_shutdown(struct matrox_fb_info *minfo); +#else +static inline void matroxfb_g450_connect(struct matrox_fb_info *minfo) { }; +static inline void matroxfb_g450_shutdown(struct matrox_fb_info *minfo) { }; +#endif + +#endif /* __MATROXFB_G450_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.c b/drivers/video/fbdev/matrox/matroxfb_maven.c new file mode 100644 index 000000000..f2e029586 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_maven.c @@ -0,0 +1,1303 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450. + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * See matroxfb_base.c for contributors. + * + */ + +#include "matroxfb_maven.h" +#include "matroxfb_misc.h" +#include "matroxfb_DAC1064.h" +#include <linux/i2c.h> +#include <linux/matroxfb.h> +#include <linux/slab.h> +#include <asm/div64.h> + +#define MGATVO_B 1 +#define MGATVO_C 2 + +static const struct maven_gamma { + unsigned char reg83; + unsigned char reg84; + unsigned char reg85; + unsigned char reg86; + unsigned char reg87; + unsigned char reg88; + unsigned char reg89; + unsigned char reg8a; + unsigned char reg8b; +} maven_gamma[] = { + { 131, 57, 223, 15, 117, 212, 251, 91, 156}, + { 133, 61, 128, 63, 180, 147, 195, 100, 180}, + { 131, 19, 63, 31, 50, 66, 171, 64, 176}, + { 0, 0, 0, 31, 16, 16, 16, 100, 200}, + { 8, 23, 47, 73, 147, 244, 220, 80, 195}, + { 22, 43, 64, 80, 147, 115, 58, 85, 168}, + { 34, 60, 80, 214, 147, 212, 188, 85, 167}, + { 45, 77, 96, 216, 147, 99, 91, 85, 159}, + { 56, 76, 112, 107, 147, 212, 148, 64, 144}, + { 65, 91, 128, 137, 147, 196, 17, 69, 148}, + { 72, 104, 136, 138, 147, 180, 245, 73, 147}, + { 87, 116, 143, 126, 16, 83, 229, 77, 144}, + { 95, 119, 152, 254, 244, 83, 221, 77, 151}, + { 100, 129, 159, 156, 244, 148, 197, 77, 160}, + { 105, 141, 167, 247, 244, 132, 181, 84, 166}, + { 105, 147, 168, 247, 244, 245, 181, 90, 170}, + { 120, 153, 175, 248, 212, 229, 165, 90, 180}, + { 119, 156, 176, 248, 244, 229, 84, 74, 160}, + { 119, 158, 183, 248, 244, 229, 149, 78, 165} +}; + +/* Definition of the various controls */ +struct mctl { + struct v4l2_queryctrl desc; + size_t control; +}; + +#define BLMIN 0x0FF +#define WLMAX 0x3FF + +static const struct mctl maven_controls[] = +{ { { V4L2_CID_BRIGHTNESS, V4L2_CTRL_TYPE_INTEGER, + "brightness", + 0, WLMAX - BLMIN, 1, 379 - BLMIN, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.brightness) }, + { { V4L2_CID_CONTRAST, V4L2_CTRL_TYPE_INTEGER, + "contrast", + 0, 1023, 1, 127, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.contrast) }, + { { V4L2_CID_SATURATION, V4L2_CTRL_TYPE_INTEGER, + "saturation", + 0, 255, 1, 155, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.saturation) }, + { { V4L2_CID_HUE, V4L2_CTRL_TYPE_INTEGER, + "hue", + 0, 255, 1, 0, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.hue) }, + { { V4L2_CID_GAMMA, V4L2_CTRL_TYPE_INTEGER, + "gamma", + 0, ARRAY_SIZE(maven_gamma) - 1, 1, 3, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.gamma) }, + { { MATROXFB_CID_TESTOUT, V4L2_CTRL_TYPE_BOOLEAN, + "test output", + 0, 1, 1, 0, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.testout) }, + { { MATROXFB_CID_DEFLICKER, V4L2_CTRL_TYPE_INTEGER, + "deflicker mode", + 0, 2, 1, 0, + 0, + }, offsetof(struct matrox_fb_info, altout.tvo_params.deflicker) }, + +}; + +#define MAVCTRLS ARRAY_SIZE(maven_controls) + +/* Return: positive number: id found + -EINVAL: id not found, return failure + -ENOENT: id not found, create fake disabled control */ +static int get_ctrl_id(__u32 v4l2_id) { + int i; + + for (i = 0; i < MAVCTRLS; i++) { + if (v4l2_id < maven_controls[i].desc.id) { + if (maven_controls[i].desc.id == 0x08000000) { + return -EINVAL; + } + return -ENOENT; + } + if (v4l2_id == maven_controls[i].desc.id) { + return i; + } + } + return -EINVAL; +} + +struct maven_data { + struct matrox_fb_info* primary_head; + struct i2c_client *client; + int version; +}; + +static int* get_ctrl_ptr(struct maven_data* md, int idx) { + return (int*)((char*)(md->primary_head) + maven_controls[idx].control); +} + +static int maven_get_reg(struct i2c_client* c, char reg) { + char dst; + struct i2c_msg msgs[] = { + { + .addr = c->addr, + .flags = I2C_M_REV_DIR_ADDR, + .len = sizeof(reg), + .buf = ® + }, + { + .addr = c->addr, + .flags = I2C_M_RD | I2C_M_NOSTART, + .len = sizeof(dst), + .buf = &dst + } + }; + s32 err; + + err = i2c_transfer(c->adapter, msgs, 2); + if (err < 0) + printk(KERN_INFO "ReadReg(%d) failed\n", reg); + return dst & 0xFF; +} + +static int maven_set_reg(struct i2c_client* c, int reg, int val) { + s32 err; + + err = i2c_smbus_write_byte_data(c, reg, val); + if (err) + printk(KERN_INFO "WriteReg(%d) failed\n", reg); + return err; +} + +static int maven_set_reg_pair(struct i2c_client* c, int reg, int val) { + s32 err; + + err = i2c_smbus_write_word_data(c, reg, val); + if (err) + printk(KERN_INFO "WriteRegPair(%d) failed\n", reg); + return err; +} + +static const struct matrox_pll_features maven_pll = { + 50000, + 27000, + 4, 127, + 2, 31, + 3 +}; + +struct matrox_pll_features2 { + unsigned int vco_freq_min; + unsigned int vco_freq_max; + unsigned int feed_div_min; + unsigned int feed_div_max; + unsigned int in_div_min; + unsigned int in_div_max; + unsigned int post_shift_max; +}; + +struct matrox_pll_ctl { + unsigned int ref_freq; + unsigned int den; +}; + +static const struct matrox_pll_features2 maven1000_pll = { + .vco_freq_min = 50000000, + .vco_freq_max = 300000000, + .feed_div_min = 5, + .feed_div_max = 128, + .in_div_min = 3, + .in_div_max = 32, + .post_shift_max = 3 +}; + +static const struct matrox_pll_ctl maven_PAL = { + .ref_freq = 540000, + .den = 50 +}; + +static const struct matrox_pll_ctl maven_NTSC = { + .ref_freq = 450450, /* 27027000/60 == 27000000/59.94005994 */ + .den = 60 +}; + +static int matroxfb_PLL_mavenclock(const struct matrox_pll_features2* pll, + const struct matrox_pll_ctl* ctl, + unsigned int htotal, unsigned int vtotal, + unsigned int* in, unsigned int* feed, unsigned int* post, + unsigned int* h2) { + unsigned int besth2 = 0; + unsigned int fxtal = ctl->ref_freq; + unsigned int fmin = pll->vco_freq_min / ctl->den; + unsigned int fwant; + unsigned int p; + unsigned int scrlen; + unsigned int fmax; + + DBG(__func__) + + scrlen = htotal * (vtotal - 1); + fwant = htotal * vtotal; + fmax = pll->vco_freq_max / ctl->den; + + dprintk(KERN_DEBUG "want: %u, xtal: %u, h: %u, v: %u, fmax: %u\n", + fwant, fxtal, htotal, vtotal, fmax); + for (p = 1; p <= pll->post_shift_max; p++) { + if (fwant * 2 > fmax) + break; + fwant *= 2; + } + if (fwant > fmax) + return 0; + for (; p-- > 0; fwant >>= 1) { + unsigned int m; + + if (fwant < fmin) break; + for (m = pll->in_div_min; m <= pll->in_div_max; m++) { + unsigned int n; + unsigned int dvd; + unsigned int ln; + + n = (fwant * m) / fxtal; + if (n < pll->feed_div_min) + continue; + if (n > pll->feed_div_max) + break; + + ln = fxtal * n; + dvd = m << p; + + if (ln % dvd) + continue; + ln = ln / dvd; + + if (ln < scrlen + 2) + continue; + ln = ln - scrlen; + if (ln > htotal) + continue; + dprintk(KERN_DEBUG "Match: %u / %u / %u / %u\n", n, m, p, ln); + if (ln > besth2) { + dprintk(KERN_DEBUG "Better...\n"); + *h2 = besth2 = ln; + *post = p; + *in = m; + *feed = n; + } + } + } + + /* if h2/post/in/feed have not been assigned, return zero (error) */ + if (besth2 < 2) + return 0; + + dprintk(KERN_ERR "clk: %02X %02X %02X %d %d\n", *in, *feed, *post, fxtal, fwant); + return fxtal * (*feed) / (*in) * ctl->den; +} + +static int matroxfb_mavenclock(const struct matrox_pll_ctl *ctl, + unsigned int htotal, unsigned int vtotal, + unsigned int* in, unsigned int* feed, unsigned int* post, + unsigned int* htotal2) { + unsigned int fvco; + unsigned int p; + + fvco = matroxfb_PLL_mavenclock(&maven1000_pll, ctl, htotal, vtotal, in, feed, &p, htotal2); + if (!fvco) + return -EINVAL; + p = (1 << p) - 1; + if (fvco <= 100000000) + ; + else if (fvco <= 140000000) + p |= 0x08; + else if (fvco <= 180000000) + p |= 0x10; + else + p |= 0x18; + *post = p; + return 0; +} + +static void DAC1064_calcclock(unsigned int freq, unsigned int fmax, + unsigned int* in, unsigned int* feed, unsigned int* post) { + unsigned int fvco; + unsigned int p; + + fvco = matroxfb_PLL_calcclock(&maven_pll, freq, fmax, in, feed, &p); + p = (1 << p) - 1; + if (fvco <= 100000) + ; + else if (fvco <= 140000) + p |= 0x08; + else if (fvco <= 180000) + p |= 0x10; + else + p |= 0x18; + *post = p; + return; +} + +static unsigned char maven_compute_deflicker (const struct maven_data* md) { + unsigned char df; + + df = (md->version == MGATVO_B?0x40:0x00); + switch (md->primary_head->altout.tvo_params.deflicker) { + case 0: +/* df |= 0x00; */ + break; + case 1: + df |= 0xB1; + break; + case 2: + df |= 0xA2; + break; + } + return df; +} + +static void maven_compute_bwlevel (const struct maven_data* md, + int *bl, int *wl) { + const int b = md->primary_head->altout.tvo_params.brightness + BLMIN; + const int c = md->primary_head->altout.tvo_params.contrast; + + *bl = max(b - c, BLMIN); + *wl = min(b + c, WLMAX); +} + +static const struct maven_gamma* maven_compute_gamma (const struct maven_data* md) { + return maven_gamma + md->primary_head->altout.tvo_params.gamma; +} + + +static void maven_init_TVdata(const struct maven_data* md, struct mavenregs* data) { + static struct mavenregs palregs = { { + 0x2A, 0x09, 0x8A, 0xCB, /* 00: chroma subcarrier */ + 0x00, + 0x00, /* ? not written */ + 0x00, /* modified by code (F9 written...) */ + 0x00, /* ? not written */ + 0x7E, /* 08 */ + 0x44, /* 09 */ + 0x9C, /* 0A */ + 0x2E, /* 0B */ + 0x21, /* 0C */ + 0x00, /* ? not written */ + 0x3F, 0x03, /* 0E-0F */ + 0x3F, 0x03, /* 10-11 */ + 0x1A, /* 12 */ + 0x2A, /* 13 */ + 0x1C, 0x3D, 0x14, /* 14-16 */ + 0x9C, 0x01, /* 17-18 */ + 0x00, /* 19 */ + 0xFE, /* 1A */ + 0x7E, /* 1B */ + 0x60, /* 1C */ + 0x05, /* 1D */ + 0x89, 0x03, /* 1E-1F */ + 0x72, /* 20 */ + 0x07, /* 21 */ + 0x72, /* 22 */ + 0x00, /* 23 */ + 0x00, /* 24 */ + 0x00, /* 25 */ + 0x08, /* 26 */ + 0x04, /* 27 */ + 0x00, /* 28 */ + 0x1A, /* 29 */ + 0x55, 0x01, /* 2A-2B */ + 0x26, /* 2C */ + 0x07, 0x7E, /* 2D-2E */ + 0x02, 0x54, /* 2F-30 */ + 0xB0, 0x00, /* 31-32 */ + 0x14, /* 33 */ + 0x49, /* 34 */ + 0x00, /* 35 written multiple times */ + 0x00, /* 36 not written */ + 0xA3, /* 37 */ + 0xC8, /* 38 */ + 0x22, /* 39 */ + 0x02, /* 3A */ + 0x22, /* 3B */ + 0x3F, 0x03, /* 3C-3D */ + 0x00, /* 3E written multiple times */ + 0x00, /* 3F not written */ + }, MATROXFB_OUTPUT_MODE_PAL, 625, 50 }; + static struct mavenregs ntscregs = { { + 0x21, 0xF0, 0x7C, 0x1F, /* 00: chroma subcarrier */ + 0x00, + 0x00, /* ? not written */ + 0x00, /* modified by code (F9 written...) */ + 0x00, /* ? not written */ + 0x7E, /* 08 */ + 0x43, /* 09 */ + 0x7E, /* 0A */ + 0x3D, /* 0B */ + 0x00, /* 0C */ + 0x00, /* ? not written */ + 0x41, 0x00, /* 0E-0F */ + 0x3C, 0x00, /* 10-11 */ + 0x17, /* 12 */ + 0x21, /* 13 */ + 0x1B, 0x1B, 0x24, /* 14-16 */ + 0x83, 0x01, /* 17-18 */ + 0x00, /* 19 */ + 0x0F, /* 1A */ + 0x0F, /* 1B */ + 0x60, /* 1C */ + 0x05, /* 1D */ + 0x89, 0x02, /* 1E-1F */ + 0x5F, /* 20 */ + 0x04, /* 21 */ + 0x5F, /* 22 */ + 0x01, /* 23 */ + 0x02, /* 24 */ + 0x00, /* 25 */ + 0x0A, /* 26 */ + 0x05, /* 27 */ + 0x00, /* 28 */ + 0x10, /* 29 */ + 0xFF, 0x03, /* 2A-2B */ + 0x24, /* 2C */ + 0x0F, 0x78, /* 2D-2E */ + 0x00, 0x00, /* 2F-30 */ + 0xB2, 0x04, /* 31-32 */ + 0x14, /* 33 */ + 0x02, /* 34 */ + 0x00, /* 35 written multiple times */ + 0x00, /* 36 not written */ + 0xA3, /* 37 */ + 0xC8, /* 38 */ + 0x15, /* 39 */ + 0x05, /* 3A */ + 0x3B, /* 3B */ + 0x3C, 0x00, /* 3C-3D */ + 0x00, /* 3E written multiple times */ + 0x00, /* never written */ + }, MATROXFB_OUTPUT_MODE_NTSC, 525, 60 }; + struct matrox_fb_info *minfo = md->primary_head; + + if (minfo->outputs[1].mode == MATROXFB_OUTPUT_MODE_PAL) + *data = palregs; + else + *data = ntscregs; + + /* Set deflicker */ + data->regs[0x93] = maven_compute_deflicker(md); + + /* set gamma */ + { + const struct maven_gamma* g; + g = maven_compute_gamma(md); + data->regs[0x83] = g->reg83; + data->regs[0x84] = g->reg84; + data->regs[0x85] = g->reg85; + data->regs[0x86] = g->reg86; + data->regs[0x87] = g->reg87; + data->regs[0x88] = g->reg88; + data->regs[0x89] = g->reg89; + data->regs[0x8A] = g->reg8a; + data->regs[0x8B] = g->reg8b; + } + + /* Set contrast / brightness */ + { + int bl, wl; + maven_compute_bwlevel (md, &bl, &wl); + data->regs[0x0e] = bl >> 2; + data->regs[0x0f] = bl & 3; + data->regs[0x1e] = wl >> 2; + data->regs[0x1f] = wl & 3; + } + + /* Set saturation */ + { + data->regs[0x20] = + data->regs[0x22] = minfo->altout.tvo_params.saturation; + } + + /* Set HUE */ + data->regs[0x25] = minfo->altout.tvo_params.hue; + return; +} + +#define LR(x) maven_set_reg(c, (x), m->regs[(x)]) +#define LRP(x) maven_set_reg_pair(c, (x), m->regs[(x)] | (m->regs[(x)+1] << 8)) +static void maven_init_TV(struct i2c_client* c, const struct mavenregs* m) { + int val; + + + maven_set_reg(c, 0x3E, 0x01); + maven_get_reg(c, 0x82); /* fetch oscillator state? */ + maven_set_reg(c, 0x8C, 0x00); + maven_get_reg(c, 0x94); /* get 0x82 */ + maven_set_reg(c, 0x94, 0xA2); + /* xmiscctrl */ + + maven_set_reg_pair(c, 0x8E, 0x1EFF); + maven_set_reg(c, 0xC6, 0x01); + + /* removed code... */ + + maven_get_reg(c, 0x06); + maven_set_reg(c, 0x06, 0xF9); /* or read |= 0xF0 ? */ + + /* removed code here... */ + + /* real code begins here? */ + /* chroma subcarrier */ + LR(0x00); LR(0x01); LR(0x02); LR(0x03); + + LR(0x04); + + LR(0x2C); + LR(0x08); + LR(0x0A); + LR(0x09); + LR(0x29); + LRP(0x31); + LRP(0x17); + LR(0x0B); + LR(0x0C); + if (m->mode == MATROXFB_OUTPUT_MODE_PAL) { + maven_set_reg(c, 0x35, 0x10); /* ... */ + } else { + maven_set_reg(c, 0x35, 0x0F); /* ... */ + } + + LRP(0x10); + + LRP(0x0E); + LRP(0x1E); + + LR(0x20); /* saturation #1 */ + LR(0x22); /* saturation #2 */ + LR(0x25); /* hue */ + LR(0x34); + LR(0x33); + LR(0x19); + LR(0x12); + LR(0x3B); + LR(0x13); + LR(0x39); + LR(0x1D); + LR(0x3A); + LR(0x24); + LR(0x14); + LR(0x15); + LR(0x16); + LRP(0x2D); + LRP(0x2F); + LR(0x1A); + LR(0x1B); + LR(0x1C); + LR(0x23); + LR(0x26); + LR(0x28); + LR(0x27); + LR(0x21); + LRP(0x2A); + if (m->mode == MATROXFB_OUTPUT_MODE_PAL) + maven_set_reg(c, 0x35, 0x1D); /* ... */ + else + maven_set_reg(c, 0x35, 0x1C); + + LRP(0x3C); + LR(0x37); + LR(0x38); + maven_set_reg(c, 0xB3, 0x01); + + maven_get_reg(c, 0xB0); /* read 0x80 */ + maven_set_reg(c, 0xB0, 0x08); /* ugh... */ + maven_get_reg(c, 0xB9); /* read 0x7C */ + maven_set_reg(c, 0xB9, 0x78); + maven_get_reg(c, 0xBF); /* read 0x00 */ + maven_set_reg(c, 0xBF, 0x02); + maven_get_reg(c, 0x94); /* read 0x82 */ + maven_set_reg(c, 0x94, 0xB3); + + LR(0x80); /* 04 1A 91 or 05 21 91 */ + LR(0x81); + LR(0x82); + + maven_set_reg(c, 0x8C, 0x20); + maven_get_reg(c, 0x8D); + maven_set_reg(c, 0x8D, 0x10); + + LR(0x90); /* 4D 50 52 or 4E 05 45 */ + LR(0x91); + LR(0x92); + + LRP(0x9A); /* 0049 or 004F */ + LRP(0x9C); /* 0004 or 0004 */ + LRP(0x9E); /* 0458 or 045E */ + LRP(0xA0); /* 05DA or 051B */ + LRP(0xA2); /* 00CC or 00CF */ + LRP(0xA4); /* 007D or 007F */ + LRP(0xA6); /* 007C or 007E */ + LRP(0xA8); /* 03CB or 03CE */ + LRP(0x98); /* 0000 or 0000 */ + LRP(0xAE); /* 0044 or 003A */ + LRP(0x96); /* 05DA or 051B */ + LRP(0xAA); /* 04BC or 046A */ + LRP(0xAC); /* 004D or 004E */ + + LR(0xBE); + LR(0xC2); + + maven_get_reg(c, 0x8D); + maven_set_reg(c, 0x8D, 0x04); + + LR(0x20); /* saturation #1 */ + LR(0x22); /* saturation #2 */ + LR(0x93); /* whoops */ + LR(0x20); /* oh, saturation #1 again */ + LR(0x22); /* oh, saturation #2 again */ + LR(0x25); /* hue */ + LRP(0x0E); + LRP(0x1E); + LRP(0x0E); /* problems with memory? */ + LRP(0x1E); /* yes, matrox must have problems in memory area... */ + + /* load gamma correction stuff */ + LR(0x83); + LR(0x84); + LR(0x85); + LR(0x86); + LR(0x87); + LR(0x88); + LR(0x89); + LR(0x8A); + LR(0x8B); + + val = maven_get_reg(c, 0x8D); + val &= 0x14; /* 0x10 or anything ored with it */ + maven_set_reg(c, 0x8D, val); + + LR(0x33); + LR(0x19); + LR(0x12); + LR(0x3B); + LR(0x13); + LR(0x39); + LR(0x1D); + LR(0x3A); + LR(0x24); + LR(0x14); + LR(0x15); + LR(0x16); + LRP(0x2D); + LRP(0x2F); + LR(0x1A); + LR(0x1B); + LR(0x1C); + LR(0x23); + LR(0x26); + LR(0x28); + LR(0x27); + LR(0x21); + LRP(0x2A); + if (m->mode == MATROXFB_OUTPUT_MODE_PAL) + maven_set_reg(c, 0x35, 0x1D); + else + maven_set_reg(c, 0x35, 0x1C); + LRP(0x3C); + LR(0x37); + LR(0x38); + + maven_get_reg(c, 0xB0); + LR(0xB0); /* output mode */ + LR(0x90); + LR(0xBE); + LR(0xC2); + + LRP(0x9A); + LRP(0xA2); + LRP(0x9E); + LRP(0xA6); + LRP(0xAA); + LRP(0xAC); + maven_set_reg(c, 0x3E, 0x00); + maven_set_reg(c, 0x95, 0x20); +} + +static int maven_find_exact_clocks(unsigned int ht, unsigned int vt, + struct mavenregs* m) { + unsigned int x; + unsigned int err = ~0; + + /* 1:1 */ + m->regs[0x80] = 0x0F; + m->regs[0x81] = 0x07; + m->regs[0x82] = 0x81; + + for (x = 0; x < 8; x++) { + unsigned int c; + unsigned int a, b, + h2; + unsigned int h = ht + 2 + x; + + if (!matroxfb_mavenclock((m->mode == MATROXFB_OUTPUT_MODE_PAL) ? &maven_PAL : &maven_NTSC, h, vt, &a, &b, &c, &h2)) { + unsigned int diff = h - h2; + + if (diff < err) { + err = diff; + m->regs[0x80] = a - 1; + m->regs[0x81] = b - 1; + m->regs[0x82] = c | 0x80; + m->hcorr = h2 - 2; + m->htotal = h - 2; + } + } + } + return err != ~0U; +} + +static inline int maven_compute_timming(struct maven_data* md, + struct my_timming* mt, + struct mavenregs* m) { + unsigned int tmpi; + unsigned int a, bv, c; + struct matrox_fb_info *minfo = md->primary_head; + + m->mode = minfo->outputs[1].mode; + if (m->mode != MATROXFB_OUTPUT_MODE_MONITOR) { + unsigned int lmargin; + unsigned int umargin; + unsigned int vslen; + unsigned int hcrt; + unsigned int slen; + + maven_init_TVdata(md, m); + + if (maven_find_exact_clocks(mt->HTotal, mt->VTotal, m) == 0) + return -EINVAL; + + lmargin = mt->HTotal - mt->HSyncEnd; + slen = mt->HSyncEnd - mt->HSyncStart; + hcrt = mt->HTotal - slen - mt->delay; + umargin = mt->VTotal - mt->VSyncEnd; + vslen = mt->VSyncEnd - mt->VSyncStart; + + if (m->hcorr < mt->HTotal) + hcrt += m->hcorr; + if (hcrt > mt->HTotal) + hcrt -= mt->HTotal; + if (hcrt + 2 > mt->HTotal) + hcrt = 0; /* or issue warning? */ + + /* last (first? middle?) line in picture can have different length */ + /* hlen - 2 */ + m->regs[0x96] = m->hcorr; + m->regs[0x97] = m->hcorr >> 8; + /* ... */ + m->regs[0x98] = 0x00; m->regs[0x99] = 0x00; + /* hblanking end */ + m->regs[0x9A] = lmargin; /* 100% */ + m->regs[0x9B] = lmargin >> 8; /* 100% */ + /* who knows */ + m->regs[0x9C] = 0x04; + m->regs[0x9D] = 0x00; + /* htotal - 2 */ + m->regs[0xA0] = m->htotal; + m->regs[0xA1] = m->htotal >> 8; + /* vblanking end */ + m->regs[0xA2] = mt->VTotal - mt->VSyncStart - 1; /* stop vblanking */ + m->regs[0xA3] = (mt->VTotal - mt->VSyncStart - 1) >> 8; + /* something end... [A6]+1..[A8] */ + if (md->version == MGATVO_B) { + m->regs[0xA4] = 0x04; + m->regs[0xA5] = 0x00; + } else { + m->regs[0xA4] = 0x01; + m->regs[0xA5] = 0x00; + } + /* something start... 0..[A4]-1 */ + m->regs[0xA6] = 0x00; + m->regs[0xA7] = 0x00; + /* vertical line count - 1 */ + m->regs[0xA8] = mt->VTotal - 1; + m->regs[0xA9] = (mt->VTotal - 1) >> 8; + /* horizontal vidrst pos */ + m->regs[0xAA] = hcrt; /* 0 <= hcrt <= htotal - 2 */ + m->regs[0xAB] = hcrt >> 8; + /* vertical vidrst pos */ + m->regs[0xAC] = mt->VTotal - 2; + m->regs[0xAD] = (mt->VTotal - 2) >> 8; + /* moves picture up/down and so on... */ + m->regs[0xAE] = 0x01; /* Fix this... 0..VTotal */ + m->regs[0xAF] = 0x00; + { + int hdec; + int hlen; + unsigned int ibmin = 4 + lmargin + mt->HDisplay; + unsigned int ib; + int i; + + /* Verify! */ + /* Where 94208 came from? */ + if (mt->HTotal) + hdec = 94208 / (mt->HTotal); + else + hdec = 0x81; + if (hdec > 0x81) + hdec = 0x81; + if (hdec < 0x41) + hdec = 0x41; + hdec--; + hlen = 98304 - 128 - ((lmargin + mt->HDisplay - 8) * hdec); + if (hlen < 0) + hlen = 0; + hlen = hlen >> 8; + if (hlen > 0xFF) + hlen = 0xFF; + /* Now we have to compute input buffer length. + If you want any picture, it must be between + 4 + lmargin + xres + and + 94208 / hdec + If you want perfect picture even on the top + of screen, it must be also + 0x3C0000 * i / hdec + Q - R / hdec + where + R Qmin Qmax + 0x07000 0x5AE 0x5BF + 0x08000 0x5CF 0x5FF + 0x0C000 0x653 0x67F + 0x10000 0x6F8 0x6FF + */ + i = 1; + do { + ib = ((0x3C0000 * i - 0x8000)/ hdec + 0x05E7) >> 8; + i++; + } while (ib < ibmin); + if (ib >= m->htotal + 2) { + ib = ibmin; + } + + m->regs[0x90] = hdec; /* < 0x40 || > 0x80 is bad... 0x80 is questionable */ + m->regs[0xC2] = hlen; + /* 'valid' input line length */ + m->regs[0x9E] = ib; + m->regs[0x9F] = ib >> 8; + } + { + int vdec; + int vlen; + +#define MATROX_USE64BIT_DIVIDE + if (mt->VTotal) { +#ifdef MATROX_USE64BIT_DIVIDE + u64 f1; + u32 a; + u32 b; + + a = m->vlines * (m->htotal + 2); + b = (mt->VTotal - 1) * (m->htotal + 2) + m->hcorr + 2; + + f1 = ((u64)a) << 15; /* *32768 */ + do_div(f1, b); + vdec = f1; +#else + vdec = m->vlines * 32768 / mt->VTotal; +#endif + } else + vdec = 0x8000; + if (vdec > 0x8000) + vdec = 0x8000; + vlen = (vslen + umargin + mt->VDisplay) * vdec; + vlen = (vlen >> 16) - 146; /* FIXME: 146?! */ + if (vlen < 0) + vlen = 0; + if (vlen > 0xFF) + vlen = 0xFF; + vdec--; + m->regs[0x91] = vdec; + m->regs[0x92] = vdec >> 8; + m->regs[0xBE] = vlen; + } + m->regs[0xB0] = 0x08; /* output: SVideo/Composite */ + return 0; + } + + DAC1064_calcclock(mt->pixclock, 450000, &a, &bv, &c); + m->regs[0x80] = a; + m->regs[0x81] = bv; + m->regs[0x82] = c | 0x80; + + m->regs[0xB3] = 0x01; + m->regs[0x94] = 0xB2; + + /* htotal... */ + m->regs[0x96] = mt->HTotal; + m->regs[0x97] = mt->HTotal >> 8; + /* ?? */ + m->regs[0x98] = 0x00; + m->regs[0x99] = 0x00; + /* hsync len */ + tmpi = mt->HSyncEnd - mt->HSyncStart; + m->regs[0x9A] = tmpi; + m->regs[0x9B] = tmpi >> 8; + /* hblank end */ + tmpi = mt->HTotal - mt->HSyncStart; + m->regs[0x9C] = tmpi; + m->regs[0x9D] = tmpi >> 8; + /* hblank start */ + tmpi += mt->HDisplay; + m->regs[0x9E] = tmpi; + m->regs[0x9F] = tmpi >> 8; + /* htotal + 1 */ + tmpi = mt->HTotal + 1; + m->regs[0xA0] = tmpi; + m->regs[0xA1] = tmpi >> 8; + /* vsync?! */ + tmpi = mt->VSyncEnd - mt->VSyncStart - 1; + m->regs[0xA2] = tmpi; + m->regs[0xA3] = tmpi >> 8; + /* ignored? */ + tmpi = mt->VTotal - mt->VSyncStart; + m->regs[0xA4] = tmpi; + m->regs[0xA5] = tmpi >> 8; + /* ignored? */ + tmpi = mt->VTotal - 1; + m->regs[0xA6] = tmpi; + m->regs[0xA7] = tmpi >> 8; + /* vtotal - 1 */ + m->regs[0xA8] = tmpi; + m->regs[0xA9] = tmpi >> 8; + /* hor vidrst */ + tmpi = mt->HTotal - mt->delay; + m->regs[0xAA] = tmpi; + m->regs[0xAB] = tmpi >> 8; + /* vert vidrst */ + tmpi = mt->VTotal - 2; + m->regs[0xAC] = tmpi; + m->regs[0xAD] = tmpi >> 8; + /* ignored? */ + m->regs[0xAE] = 0x00; + m->regs[0xAF] = 0x00; + + m->regs[0xB0] = 0x03; /* output: monitor */ + m->regs[0xB1] = 0xA0; /* ??? */ + m->regs[0x8C] = 0x20; /* must be set... */ + m->regs[0x8D] = 0x04; /* defaults to 0x10: test signal */ + m->regs[0xB9] = 0x1A; /* defaults to 0x2C: too bright */ + m->regs[0xBF] = 0x22; /* makes picture stable */ + + return 0; +} + +static int maven_program_timming(struct maven_data* md, + const struct mavenregs* m) { + struct i2c_client *c = md->client; + + if (m->mode == MATROXFB_OUTPUT_MODE_MONITOR) { + LR(0x80); + LR(0x81); + LR(0x82); + + LR(0xB3); + LR(0x94); + + LRP(0x96); + LRP(0x98); + LRP(0x9A); + LRP(0x9C); + LRP(0x9E); + LRP(0xA0); + LRP(0xA2); + LRP(0xA4); + LRP(0xA6); + LRP(0xA8); + LRP(0xAA); + LRP(0xAC); + LRP(0xAE); + + LR(0xB0); /* output: monitor */ + LR(0xB1); /* ??? */ + LR(0x8C); /* must be set... */ + LR(0x8D); /* defaults to 0x10: test signal */ + LR(0xB9); /* defaults to 0x2C: too bright */ + LR(0xBF); /* makes picture stable */ + } else { + maven_init_TV(c, m); + } + return 0; +} + +static inline int maven_resync(struct maven_data* md) { + struct i2c_client *c = md->client; + maven_set_reg(c, 0x95, 0x20); /* start whole thing */ + return 0; +} + +static int maven_get_queryctrl (struct maven_data* md, + struct v4l2_queryctrl *p) { + int i; + + i = get_ctrl_id(p->id); + if (i >= 0) { + *p = maven_controls[i].desc; + return 0; + } + if (i == -ENOENT) { + static const struct v4l2_queryctrl disctrl = + { .flags = V4L2_CTRL_FLAG_DISABLED }; + + i = p->id; + *p = disctrl; + p->id = i; + sprintf(p->name, "Ctrl #%08X", i); + return 0; + } + return -EINVAL; +} + +static int maven_set_control (struct maven_data* md, + struct v4l2_control *p) { + int i; + + i = get_ctrl_id(p->id); + if (i < 0) return -EINVAL; + + /* + * Check if changed. + */ + if (p->value == *get_ctrl_ptr(md, i)) return 0; + + /* + * Check limits. + */ + if (p->value > maven_controls[i].desc.maximum) return -EINVAL; + if (p->value < maven_controls[i].desc.minimum) return -EINVAL; + + /* + * Store new value. + */ + *get_ctrl_ptr(md, i) = p->value; + + switch (p->id) { + case V4L2_CID_BRIGHTNESS: + case V4L2_CID_CONTRAST: + { + int blacklevel, whitelevel; + maven_compute_bwlevel(md, &blacklevel, &whitelevel); + blacklevel = (blacklevel >> 2) | ((blacklevel & 3) << 8); + whitelevel = (whitelevel >> 2) | ((whitelevel & 3) << 8); + maven_set_reg_pair(md->client, 0x0e, blacklevel); + maven_set_reg_pair(md->client, 0x1e, whitelevel); + } + break; + case V4L2_CID_SATURATION: + { + maven_set_reg(md->client, 0x20, p->value); + maven_set_reg(md->client, 0x22, p->value); + } + break; + case V4L2_CID_HUE: + { + maven_set_reg(md->client, 0x25, p->value); + } + break; + case V4L2_CID_GAMMA: + { + const struct maven_gamma* g; + g = maven_compute_gamma(md); + maven_set_reg(md->client, 0x83, g->reg83); + maven_set_reg(md->client, 0x84, g->reg84); + maven_set_reg(md->client, 0x85, g->reg85); + maven_set_reg(md->client, 0x86, g->reg86); + maven_set_reg(md->client, 0x87, g->reg87); + maven_set_reg(md->client, 0x88, g->reg88); + maven_set_reg(md->client, 0x89, g->reg89); + maven_set_reg(md->client, 0x8a, g->reg8a); + maven_set_reg(md->client, 0x8b, g->reg8b); + } + break; + case MATROXFB_CID_TESTOUT: + { + unsigned char val + = maven_get_reg(md->client, 0x8d); + if (p->value) val |= 0x10; + else val &= ~0x10; + maven_set_reg(md->client, 0x8d, val); + } + break; + case MATROXFB_CID_DEFLICKER: + { + maven_set_reg(md->client, 0x93, maven_compute_deflicker(md)); + } + break; + } + + + return 0; +} + +static int maven_get_control (struct maven_data* md, + struct v4l2_control *p) { + int i; + + i = get_ctrl_id(p->id); + if (i < 0) return -EINVAL; + p->value = *get_ctrl_ptr(md, i); + return 0; +} + +/******************************************************/ + +static int maven_out_compute(void* md, struct my_timming* mt) { +#define mdinfo ((struct maven_data*)md) +#define minfo (mdinfo->primary_head) + return maven_compute_timming(md, mt, &minfo->hw.maven); +#undef minfo +#undef mdinfo +} + +static int maven_out_program(void* md) { +#define mdinfo ((struct maven_data*)md) +#define minfo (mdinfo->primary_head) + return maven_program_timming(md, &minfo->hw.maven); +#undef minfo +#undef mdinfo +} + +static int maven_out_start(void* md) { + return maven_resync(md); +} + +static int maven_out_verify_mode(void* md, u_int32_t arg) { + switch (arg) { + case MATROXFB_OUTPUT_MODE_PAL: + case MATROXFB_OUTPUT_MODE_NTSC: + case MATROXFB_OUTPUT_MODE_MONITOR: + return 0; + } + return -EINVAL; +} + +static int maven_out_get_queryctrl(void* md, struct v4l2_queryctrl* p) { + return maven_get_queryctrl(md, p); +} + +static int maven_out_get_ctrl(void* md, struct v4l2_control* p) { + return maven_get_control(md, p); +} + +static int maven_out_set_ctrl(void* md, struct v4l2_control* p) { + return maven_set_control(md, p); +} + +static struct matrox_altout maven_altout = { + .name = "Secondary output", + .compute = maven_out_compute, + .program = maven_out_program, + .start = maven_out_start, + .verifymode = maven_out_verify_mode, + .getqueryctrl = maven_out_get_queryctrl, + .getctrl = maven_out_get_ctrl, + .setctrl = maven_out_set_ctrl, +}; + +static int maven_init_client(struct i2c_client* clnt) { + struct maven_data* md = i2c_get_clientdata(clnt); + struct matrox_fb_info *minfo = container_of(clnt->adapter, + struct i2c_bit_adapter, + adapter)->minfo; + + md->primary_head = minfo; + md->client = clnt; + down_write(&minfo->altout.lock); + minfo->outputs[1].output = &maven_altout; + minfo->outputs[1].src = minfo->outputs[1].default_src; + minfo->outputs[1].data = md; + minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; + up_write(&minfo->altout.lock); + if (maven_get_reg(clnt, 0xB2) < 0x14) { + md->version = MGATVO_B; + /* Tweak some things for this old chip */ + } else { + md->version = MGATVO_C; + } + /* + * Set all parameters to its initial values. + */ + { + unsigned int i; + + for (i = 0; i < MAVCTRLS; ++i) { + *get_ctrl_ptr(md, i) = maven_controls[i].desc.default_value; + } + } + + return 0; +} + +static int maven_shutdown_client(struct i2c_client* clnt) { + struct maven_data* md = i2c_get_clientdata(clnt); + + if (md->primary_head) { + struct matrox_fb_info *minfo = md->primary_head; + + down_write(&minfo->altout.lock); + minfo->outputs[1].src = MATROXFB_SRC_NONE; + minfo->outputs[1].output = NULL; + minfo->outputs[1].data = NULL; + minfo->outputs[1].mode = MATROXFB_OUTPUT_MODE_MONITOR; + up_write(&minfo->altout.lock); + md->primary_head = NULL; + } + return 0; +} + +static int maven_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct i2c_adapter *adapter = client->adapter; + int err = -ENODEV; + struct maven_data* data; + + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WRITE_WORD_DATA | + I2C_FUNC_SMBUS_BYTE_DATA | + I2C_FUNC_NOSTART | + I2C_FUNC_PROTOCOL_MANGLING)) + goto ERROR0; + if (!(data = kzalloc(sizeof(*data), GFP_KERNEL))) { + err = -ENOMEM; + goto ERROR0; + } + i2c_set_clientdata(client, data); + err = maven_init_client(client); + if (err) + goto ERROR4; + return 0; +ERROR4:; + kfree(data); +ERROR0:; + return err; +} + +static void maven_remove(struct i2c_client *client) +{ + maven_shutdown_client(client); + kfree(i2c_get_clientdata(client)); +} + +static const struct i2c_device_id maven_id[] = { + { "maven", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, maven_id); + +static struct i2c_driver maven_driver={ + .driver = { + .name = "maven", + }, + .probe = maven_probe, + .remove = maven_remove, + .id_table = maven_id, +}; + +module_i2c_driver(maven_driver); +MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Matrox G200/G400 Matrox MGA-TVO driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_maven.h b/drivers/video/fbdev/matrox/matroxfb_maven.h new file mode 100644 index 000000000..f896b7883 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_maven.h @@ -0,0 +1,21 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_MAVEN_H__ +#define __MATROXFB_MAVEN_H__ + +#include <linux/ioctl.h> +#include <linux/i2c.h> +#include <linux/i2c-algo-bit.h> +#include "matroxfb_base.h" + +struct i2c_bit_adapter { + struct i2c_adapter adapter; + int initialized; + struct i2c_algo_bit_data bac; + struct matrox_fb_info* minfo; + struct { + unsigned int data; + unsigned int clock; + } mask; +}; + +#endif /* __MATROXFB_MAVEN_H__ */ diff --git a/drivers/video/fbdev/matrox/matroxfb_misc.c b/drivers/video/fbdev/matrox/matroxfb_misc.c new file mode 100644 index 000000000..8f159a2ad --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_misc.c @@ -0,0 +1,819 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * + * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200 and G400 + * + * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz> + * + * Portions Copyright (c) 2001 Matrox Graphics Inc. + * + * Version: 1.65 2002/08/14 + * + * MTRR stuff: 1998 Tom Rini <trini@kernel.crashing.org> + * + * Contributors: "menion?" <menion@mindless.com> + * Betatesting, fixes, ideas + * + * "Kurt Garloff" <garloff@suse.de> + * Betatesting, fixes, ideas, videomodes, videomodes timmings + * + * "Tom Rini" <trini@kernel.crashing.org> + * MTRR stuff, PPC cleanups, betatesting, fixes, ideas + * + * "Bibek Sahu" <scorpio@dodds.net> + * Access device through readb|w|l and write b|w|l + * Extensive debugging stuff + * + * "Daniel Haun" <haund@usa.net> + * Testing, hardware cursor fixes + * + * "Scott Wood" <sawst46+@pitt.edu> + * Fixes + * + * "Gerd Knorr" <kraxel@goldbach.isdn.cs.tu-berlin.de> + * Betatesting + * + * "Kelly French" <targon@hazmat.com> + * "Fernando Herrera" <fherrera@eurielec.etsit.upm.es> + * Betatesting, bug reporting + * + * "Pablo Bianucci" <pbian@pccp.com.ar> + * Fixes, ideas, betatesting + * + * "Inaky Perez Gonzalez" <inaky@peloncho.fis.ucm.es> + * Fixes, enhandcements, ideas, betatesting + * + * "Ryuichi Oikawa" <roikawa@rr.iiij4u.or.jp> + * PPC betatesting, PPC support, backward compatibility + * + * "Paul Womar" <Paul@pwomar.demon.co.uk> + * "Owen Waller" <O.Waller@ee.qub.ac.uk> + * PPC betatesting + * + * "Thomas Pornin" <pornin@bolet.ens.fr> + * Alpha betatesting + * + * "Pieter van Leuven" <pvl@iae.nl> + * "Ulf Jaenicke-Roessler" <ujr@physik.phy.tu-dresden.de> + * G100 testing + * + * "H. Peter Arvin" <hpa@transmeta.com> + * Ideas + * + * "Cort Dougan" <cort@cs.nmt.edu> + * CHRP fixes and PReP cleanup + * + * "Mark Vojkovich" <mvojkovi@ucsd.edu> + * G400 support + * + * "David C. Hansen" <haveblue@us.ibm.com> + * Fixes + * + * "Ian Romanick" <idr@us.ibm.com> + * Find PInS data in BIOS on PowerPC systems. + * + * (following author is not in any relation with this code, but his code + * is included in this driver) + * + * Based on framebuffer driver for VBE 2.0 compliant graphic boards + * (c) 1998 Gerd Knorr <kraxel@cs.tu-berlin.de> + * + * (following author is not in any relation with this code, but his ideas + * were used when writing this driver) + * + * FreeVBE/AF (Matrox), "Shawn Hargreaves" <shawn@talula.demon.co.uk> + * + */ + + +#include "matroxfb_misc.h" +#include <linux/interrupt.h> +#include <linux/matroxfb.h> + +void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg, int val) +{ + DBG_REG(__func__) + mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg); + mga_outb(M_RAMDAC_BASE+M_X_DATAREG, val); +} + +int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg) +{ + DBG_REG(__func__) + mga_outb(M_RAMDAC_BASE+M_X_INDEX, reg); + return mga_inb(M_RAMDAC_BASE+M_X_DATAREG); +} + +void matroxfb_var2my(struct fb_var_screeninfo* var, struct my_timming* mt) { + unsigned int pixclock = var->pixclock; + + DBG(__func__) + + if (!pixclock) pixclock = 10000; /* 10ns = 100MHz */ + mt->pixclock = 1000000000 / pixclock; + if (mt->pixclock < 1) mt->pixclock = 1; + mt->mnp = -1; + mt->dblscan = var->vmode & FB_VMODE_DOUBLE; + mt->interlaced = var->vmode & FB_VMODE_INTERLACED; + mt->HDisplay = var->xres; + mt->HSyncStart = mt->HDisplay + var->right_margin; + mt->HSyncEnd = mt->HSyncStart + var->hsync_len; + mt->HTotal = mt->HSyncEnd + var->left_margin; + mt->VDisplay = var->yres; + mt->VSyncStart = mt->VDisplay + var->lower_margin; + mt->VSyncEnd = mt->VSyncStart + var->vsync_len; + mt->VTotal = mt->VSyncEnd + var->upper_margin; + mt->sync = var->sync; +} + +int matroxfb_PLL_calcclock(const struct matrox_pll_features* pll, unsigned int freq, unsigned int fmax, + unsigned int* in, unsigned int* feed, unsigned int* post) { + unsigned int bestdiff = ~0; + unsigned int bestvco = 0; + unsigned int fxtal = pll->ref_freq; + unsigned int fwant; + unsigned int p; + + DBG(__func__) + + fwant = freq; + +#ifdef DEBUG + printk(KERN_ERR "post_shift_max: %d\n", pll->post_shift_max); + printk(KERN_ERR "ref_freq: %d\n", pll->ref_freq); + printk(KERN_ERR "freq: %d\n", freq); + printk(KERN_ERR "vco_freq_min: %d\n", pll->vco_freq_min); + printk(KERN_ERR "in_div_min: %d\n", pll->in_div_min); + printk(KERN_ERR "in_div_max: %d\n", pll->in_div_max); + printk(KERN_ERR "feed_div_min: %d\n", pll->feed_div_min); + printk(KERN_ERR "feed_div_max: %d\n", pll->feed_div_max); + printk(KERN_ERR "fmax: %d\n", fmax); +#endif + for (p = 1; p <= pll->post_shift_max; p++) { + if (fwant * 2 > fmax) + break; + fwant *= 2; + } + if (fwant < pll->vco_freq_min) fwant = pll->vco_freq_min; + if (fwant > fmax) fwant = fmax; + for (; p-- > 0; fwant >>= 1, bestdiff >>= 1) { + unsigned int m; + + if (fwant < pll->vco_freq_min) break; + for (m = pll->in_div_min; m <= pll->in_div_max; m++) { + unsigned int diff, fvco; + unsigned int n; + + n = (fwant * (m + 1) + (fxtal >> 1)) / fxtal - 1; + if (n > pll->feed_div_max) + break; + if (n < pll->feed_div_min) + n = pll->feed_div_min; + fvco = (fxtal * (n + 1)) / (m + 1); + if (fvco < fwant) + diff = fwant - fvco; + else + diff = fvco - fwant; + if (diff < bestdiff) { + bestdiff = diff; + *post = p; + *in = m; + *feed = n; + bestvco = fvco; + } + } + } + dprintk(KERN_ERR "clk: %02X %02X %02X %d %d %d\n", *in, *feed, *post, fxtal, bestvco, fwant); + return bestvco; +} + +int matroxfb_vgaHWinit(struct matrox_fb_info *minfo, struct my_timming *m) +{ + unsigned int hd, hs, he, hbe, ht; + unsigned int vd, vs, ve, vt, lc; + unsigned int wd; + unsigned int divider; + int i; + struct matrox_hw_state * const hw = &minfo->hw; + + DBG(__func__) + + hw->SEQ[0] = 0x00; + hw->SEQ[1] = 0x01; /* or 0x09 */ + hw->SEQ[2] = 0x0F; /* bitplanes */ + hw->SEQ[3] = 0x00; + hw->SEQ[4] = 0x0E; + /* CRTC 0..7, 9, 16..19, 21, 22 are reprogrammed by Matrox Millennium code... Hope that by MGA1064 too */ + if (m->dblscan) { + m->VTotal <<= 1; + m->VDisplay <<= 1; + m->VSyncStart <<= 1; + m->VSyncEnd <<= 1; + } + if (m->interlaced) { + m->VTotal >>= 1; + m->VDisplay >>= 1; + m->VSyncStart >>= 1; + m->VSyncEnd >>= 1; + } + + /* GCTL is ignored when not using 0xA0000 aperture */ + hw->GCTL[0] = 0x00; + hw->GCTL[1] = 0x00; + hw->GCTL[2] = 0x00; + hw->GCTL[3] = 0x00; + hw->GCTL[4] = 0x00; + hw->GCTL[5] = 0x40; + hw->GCTL[6] = 0x05; + hw->GCTL[7] = 0x0F; + hw->GCTL[8] = 0xFF; + + /* Whole ATTR is ignored in PowerGraphics mode */ + for (i = 0; i < 16; i++) + hw->ATTR[i] = i; + hw->ATTR[16] = 0x41; + hw->ATTR[17] = 0xFF; + hw->ATTR[18] = 0x0F; + hw->ATTR[19] = 0x00; + hw->ATTR[20] = 0x00; + + hd = m->HDisplay >> 3; + hs = m->HSyncStart >> 3; + he = m->HSyncEnd >> 3; + ht = m->HTotal >> 3; + /* standard timmings are in 8pixels, but for interleaved we cannot */ + /* do it for 4bpp (because of (4bpp >> 1(interleaved))/4 == 0) */ + /* using 16 or more pixels per unit can save us */ + divider = minfo->curr.final_bppShift; + while (divider & 3) { + hd >>= 1; + hs >>= 1; + he >>= 1; + ht >>= 1; + divider <<= 1; + } + divider = divider / 4; + /* divider can be from 1 to 8 */ + while (divider > 8) { + hd <<= 1; + hs <<= 1; + he <<= 1; + ht <<= 1; + divider >>= 1; + } + hd = hd - 1; + hs = hs - 1; + he = he - 1; + ht = ht - 1; + vd = m->VDisplay - 1; + vs = m->VSyncStart - 1; + ve = m->VSyncEnd - 1; + vt = m->VTotal - 2; + lc = vd; + /* G200 cannot work with (ht & 7) == 6 */ + if (((ht & 0x07) == 0x06) || ((ht & 0x0F) == 0x04)) + ht++; + hbe = ht; + wd = minfo->fbcon.var.xres_virtual * minfo->curr.final_bppShift / 64; + + hw->CRTCEXT[0] = 0; + hw->CRTCEXT[5] = 0; + if (m->interlaced) { + hw->CRTCEXT[0] = 0x80; + hw->CRTCEXT[5] = (hs + he - ht) >> 1; + if (!m->dblscan) + wd <<= 1; + vt &= ~1; + } + hw->CRTCEXT[0] |= (wd & 0x300) >> 4; + hw->CRTCEXT[1] = (((ht - 4) & 0x100) >> 8) | + ((hd & 0x100) >> 7) | /* blanking */ + ((hs & 0x100) >> 6) | /* sync start */ + (hbe & 0x040); /* end hor. blanking */ + /* FIXME: Enable vidrst only on G400, and only if TV-out is used */ + if (minfo->outputs[1].src == MATROXFB_SRC_CRTC1) + hw->CRTCEXT[1] |= 0x88; /* enable horizontal and vertical vidrst */ + hw->CRTCEXT[2] = ((vt & 0xC00) >> 10) | + ((vd & 0x400) >> 8) | /* disp end */ + ((vd & 0xC00) >> 7) | /* vblanking start */ + ((vs & 0xC00) >> 5) | + ((lc & 0x400) >> 3); + hw->CRTCEXT[3] = (divider - 1) | 0x80; + hw->CRTCEXT[4] = 0; + + hw->CRTC[0] = ht-4; + hw->CRTC[1] = hd; + hw->CRTC[2] = hd; + hw->CRTC[3] = (hbe & 0x1F) | 0x80; + hw->CRTC[4] = hs; + hw->CRTC[5] = ((hbe & 0x20) << 2) | (he & 0x1F); + hw->CRTC[6] = vt & 0xFF; + hw->CRTC[7] = ((vt & 0x100) >> 8) | + ((vd & 0x100) >> 7) | + ((vs & 0x100) >> 6) | + ((vd & 0x100) >> 5) | + ((lc & 0x100) >> 4) | + ((vt & 0x200) >> 4) | + ((vd & 0x200) >> 3) | + ((vs & 0x200) >> 2); + hw->CRTC[8] = 0x00; + hw->CRTC[9] = ((vd & 0x200) >> 4) | + ((lc & 0x200) >> 3); + if (m->dblscan && !m->interlaced) + hw->CRTC[9] |= 0x80; + for (i = 10; i < 16; i++) + hw->CRTC[i] = 0x00; + hw->CRTC[16] = vs /* & 0xFF */; + hw->CRTC[17] = (ve & 0x0F) | 0x20; + hw->CRTC[18] = vd /* & 0xFF */; + hw->CRTC[19] = wd /* & 0xFF */; + hw->CRTC[20] = 0x00; + hw->CRTC[21] = vd /* & 0xFF */; + hw->CRTC[22] = (vt + 1) /* & 0xFF */; + hw->CRTC[23] = 0xC3; + hw->CRTC[24] = lc; + return 0; +}; + +void matroxfb_vgaHWrestore(struct matrox_fb_info *minfo) +{ + int i; + struct matrox_hw_state * const hw = &minfo->hw; + CRITFLAGS + + DBG(__func__) + + dprintk(KERN_INFO "MiscOutReg: %02X\n", hw->MiscOutReg); + dprintk(KERN_INFO "SEQ regs: "); + for (i = 0; i < 5; i++) + dprintk("%02X:", hw->SEQ[i]); + dprintk("\n"); + dprintk(KERN_INFO "GDC regs: "); + for (i = 0; i < 9; i++) + dprintk("%02X:", hw->GCTL[i]); + dprintk("\n"); + dprintk(KERN_INFO "CRTC regs: "); + for (i = 0; i < 25; i++) + dprintk("%02X:", hw->CRTC[i]); + dprintk("\n"); + dprintk(KERN_INFO "ATTR regs: "); + for (i = 0; i < 21; i++) + dprintk("%02X:", hw->ATTR[i]); + dprintk("\n"); + + CRITBEGIN + + mga_inb(M_ATTR_RESET); + mga_outb(M_ATTR_INDEX, 0); + mga_outb(M_MISC_REG, hw->MiscOutReg); + for (i = 1; i < 5; i++) + mga_setr(M_SEQ_INDEX, i, hw->SEQ[i]); + mga_setr(M_CRTC_INDEX, 17, hw->CRTC[17] & 0x7F); + for (i = 0; i < 25; i++) + mga_setr(M_CRTC_INDEX, i, hw->CRTC[i]); + for (i = 0; i < 9; i++) + mga_setr(M_GRAPHICS_INDEX, i, hw->GCTL[i]); + for (i = 0; i < 21; i++) { + mga_inb(M_ATTR_RESET); + mga_outb(M_ATTR_INDEX, i); + mga_outb(M_ATTR_INDEX, hw->ATTR[i]); + } + mga_outb(M_PALETTE_MASK, 0xFF); + mga_outb(M_DAC_REG, 0x00); + for (i = 0; i < 768; i++) + mga_outb(M_DAC_VAL, hw->DACpal[i]); + mga_inb(M_ATTR_RESET); + mga_outb(M_ATTR_INDEX, 0x20); + + CRITEND +} + +static void get_pins(unsigned char __iomem* pins, struct matrox_bios* bd) { + unsigned int b0 = readb(pins); + + if (b0 == 0x2E && readb(pins+1) == 0x41) { + unsigned int pins_len = readb(pins+2); + unsigned int i; + unsigned char cksum; + unsigned char* dst = bd->pins; + + if (pins_len < 3 || pins_len > 128) { + return; + } + *dst++ = 0x2E; + *dst++ = 0x41; + *dst++ = pins_len; + cksum = 0x2E + 0x41 + pins_len; + for (i = 3; i < pins_len; i++) { + cksum += *dst++ = readb(pins+i); + } + if (cksum) { + return; + } + bd->pins_len = pins_len; + } else if (b0 == 0x40 && readb(pins+1) == 0x00) { + unsigned int i; + unsigned char* dst = bd->pins; + + *dst++ = 0x40; + *dst++ = 0; + for (i = 2; i < 0x40; i++) { + *dst++ = readb(pins+i); + } + bd->pins_len = 0x40; + } +} + +static void get_bios_version(unsigned char __iomem * vbios, struct matrox_bios* bd) { + unsigned int pcir_offset; + + pcir_offset = readb(vbios + 24) | (readb(vbios + 25) << 8); + if (pcir_offset >= 26 && pcir_offset < 0xFFE0 && + readb(vbios + pcir_offset ) == 'P' && + readb(vbios + pcir_offset + 1) == 'C' && + readb(vbios + pcir_offset + 2) == 'I' && + readb(vbios + pcir_offset + 3) == 'R') { + unsigned char h; + + h = readb(vbios + pcir_offset + 0x12); + bd->version.vMaj = (h >> 4) & 0xF; + bd->version.vMin = h & 0xF; + bd->version.vRev = readb(vbios + pcir_offset + 0x13); + } else { + unsigned char h; + + h = readb(vbios + 5); + bd->version.vMaj = (h >> 4) & 0xF; + bd->version.vMin = h & 0xF; + bd->version.vRev = 0; + } +} + +static void get_bios_output(unsigned char __iomem* vbios, struct matrox_bios* bd) { + unsigned char b; + + b = readb(vbios + 0x7FF1); + if (b == 0xFF) { + b = 0; + } + bd->output.state = b; +} + +static void get_bios_tvout(unsigned char __iomem* vbios, struct matrox_bios* bd) { + unsigned int i; + + /* Check for 'IBM .*(V....TVO' string - it means TVO BIOS */ + bd->output.tvout = 0; + if (readb(vbios + 0x1D) != 'I' || + readb(vbios + 0x1E) != 'B' || + readb(vbios + 0x1F) != 'M' || + readb(vbios + 0x20) != ' ') { + return; + } + for (i = 0x2D; i < 0x2D + 128; i++) { + unsigned char b = readb(vbios + i); + + if (b == '(' && readb(vbios + i + 1) == 'V') { + if (readb(vbios + i + 6) == 'T' && + readb(vbios + i + 7) == 'V' && + readb(vbios + i + 8) == 'O') { + bd->output.tvout = 1; + } + return; + } + if (b == 0) + break; + } +} + +static void parse_bios(unsigned char __iomem* vbios, struct matrox_bios* bd) { + unsigned int pins_offset; + + if (readb(vbios) != 0x55 || readb(vbios + 1) != 0xAA) { + return; + } + bd->bios_valid = 1; + get_bios_version(vbios, bd); + get_bios_output(vbios, bd); + get_bios_tvout(vbios, bd); +#if defined(__powerpc__) + /* On PowerPC cards, the PInS offset isn't stored at the end of the + * BIOS image. Instead, you must search the entire BIOS image for + * the magic PInS signature. + * + * This actually applies to all OpenFirmware base cards. Since these + * cards could be put in a MIPS or SPARC system, should the condition + * be something different? + */ + for ( pins_offset = 0 ; pins_offset <= 0xFF80 ; pins_offset++ ) { + unsigned char header[3]; + + header[0] = readb(vbios + pins_offset); + header[1] = readb(vbios + pins_offset + 1); + header[2] = readb(vbios + pins_offset + 2); + if ( (header[0] == 0x2E) && (header[1] == 0x41) + && ((header[2] == 0x40) || (header[2] == 0x80)) ) { + printk(KERN_INFO "PInS data found at offset %u\n", + pins_offset); + get_pins(vbios + pins_offset, bd); + break; + } + } +#else + pins_offset = readb(vbios + 0x7FFC) | (readb(vbios + 0x7FFD) << 8); + if (pins_offset <= 0xFF80) { + get_pins(vbios + pins_offset, bd); + } +#endif +} + +static int parse_pins1(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + unsigned int maxdac; + + switch (bd->pins[22]) { + case 0: maxdac = 175000; break; + case 1: maxdac = 220000; break; + default: maxdac = 240000; break; + } + if (get_unaligned_le16(bd->pins + 24)) { + maxdac = get_unaligned_le16(bd->pins + 24) * 10; + } + minfo->limits.pixel.vcomax = maxdac; + minfo->values.pll.system = get_unaligned_le16(bd->pins + 28) ? + get_unaligned_le16(bd->pins + 28) * 10 : 50000; + /* ignore 4MB, 8MB, module clocks */ + minfo->features.pll.ref_freq = 14318; + minfo->values.reg.mctlwtst = 0x00030101; + return 0; +} + +static void default_pins1(struct matrox_fb_info *minfo) +{ + /* Millennium */ + minfo->limits.pixel.vcomax = 220000; + minfo->values.pll.system = 50000; + minfo->features.pll.ref_freq = 14318; + minfo->values.reg.mctlwtst = 0x00030101; +} + +static int parse_pins2(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = (bd->pins[41] == 0xFF) ? 230000 : ((bd->pins[41] + 100) * 1000); + minfo->values.reg.mctlwtst = ((bd->pins[51] & 0x01) ? 0x00000001 : 0) | + ((bd->pins[51] & 0x02) ? 0x00000100 : 0) | + ((bd->pins[51] & 0x04) ? 0x00010000 : 0) | + ((bd->pins[51] & 0x08) ? 0x00020000 : 0); + minfo->values.pll.system = (bd->pins[43] == 0xFF) ? 50000 : ((bd->pins[43] + 100) * 1000); + minfo->features.pll.ref_freq = 14318; + return 0; +} + +static void default_pins2(struct matrox_fb_info *minfo) +{ + /* Millennium II, Mystique */ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = 230000; + minfo->values.reg.mctlwtst = 0x00030101; + minfo->values.pll.system = 50000; + minfo->features.pll.ref_freq = 14318; +} + +static int parse_pins3(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = (bd->pins[36] == 0xFF) ? 230000 : ((bd->pins[36] + 100) * 1000); + minfo->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 48) == 0xFFFFFFFF ? + 0x01250A21 : get_unaligned_le32(bd->pins + 48); + /* memory config */ + minfo->values.reg.memrdbk = ((bd->pins[57] << 21) & 0x1E000000) | + ((bd->pins[57] << 22) & 0x00C00000) | + ((bd->pins[56] << 1) & 0x000001E0) | + ( bd->pins[56] & 0x0000000F); + minfo->values.reg.opt = (bd->pins[54] & 7) << 10; + minfo->values.reg.opt2 = bd->pins[58] << 12; + minfo->features.pll.ref_freq = (bd->pins[52] & 0x20) ? 14318 : 27000; + return 0; +} + +static void default_pins3(struct matrox_fb_info *minfo) +{ + /* G100, G200 */ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = 230000; + minfo->values.reg.mctlwtst = 0x01250A21; + minfo->values.reg.memrdbk = 0x00000000; + minfo->values.reg.opt = 0x00000C00; + minfo->values.reg.opt2 = 0x00000000; + minfo->features.pll.ref_freq = 27000; +} + +static int parse_pins4(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + minfo->limits.pixel.vcomax = (bd->pins[ 39] == 0xFF) ? 230000 : bd->pins[ 39] * 4000; + minfo->limits.system.vcomax = (bd->pins[ 38] == 0xFF) ? minfo->limits.pixel.vcomax : bd->pins[ 38] * 4000; + minfo->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 71); + minfo->values.reg.memrdbk = ((bd->pins[87] << 21) & 0x1E000000) | + ((bd->pins[87] << 22) & 0x00C00000) | + ((bd->pins[86] << 1) & 0x000001E0) | + ( bd->pins[86] & 0x0000000F); + minfo->values.reg.opt = ((bd->pins[53] << 15) & 0x00400000) | + ((bd->pins[53] << 22) & 0x10000000) | + ((bd->pins[53] << 7) & 0x00001C00); + minfo->values.reg.opt3 = get_unaligned_le32(bd->pins + 67); + minfo->values.pll.system = (bd->pins[ 65] == 0xFF) ? 200000 : bd->pins[ 65] * 4000; + minfo->features.pll.ref_freq = (bd->pins[ 92] & 0x01) ? 14318 : 27000; + return 0; +} + +static void default_pins4(struct matrox_fb_info *minfo) +{ + /* G400 */ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = 252000; + minfo->values.reg.mctlwtst = 0x04A450A1; + minfo->values.reg.memrdbk = 0x000000E7; + minfo->values.reg.opt = 0x10000400; + minfo->values.reg.opt3 = 0x0190A419; + minfo->values.pll.system = 200000; + minfo->features.pll.ref_freq = 27000; +} + +static int parse_pins5(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + unsigned int mult; + + mult = bd->pins[4]?8000:6000; + + minfo->limits.pixel.vcomax = (bd->pins[ 38] == 0xFF) ? 600000 : bd->pins[ 38] * mult; + minfo->limits.system.vcomax = (bd->pins[ 36] == 0xFF) ? minfo->limits.pixel.vcomax : bd->pins[ 36] * mult; + minfo->limits.video.vcomax = (bd->pins[ 37] == 0xFF) ? minfo->limits.system.vcomax : bd->pins[ 37] * mult; + minfo->limits.pixel.vcomin = (bd->pins[123] == 0xFF) ? 256000 : bd->pins[123] * mult; + minfo->limits.system.vcomin = (bd->pins[121] == 0xFF) ? minfo->limits.pixel.vcomin : bd->pins[121] * mult; + minfo->limits.video.vcomin = (bd->pins[122] == 0xFF) ? minfo->limits.system.vcomin : bd->pins[122] * mult; + minfo->values.pll.system = + minfo->values.pll.video = (bd->pins[ 92] == 0xFF) ? 284000 : bd->pins[ 92] * 4000; + minfo->values.reg.opt = get_unaligned_le32(bd->pins + 48); + minfo->values.reg.opt2 = get_unaligned_le32(bd->pins + 52); + minfo->values.reg.opt3 = get_unaligned_le32(bd->pins + 94); + minfo->values.reg.mctlwtst = get_unaligned_le32(bd->pins + 98); + minfo->values.reg.memmisc = get_unaligned_le32(bd->pins + 102); + minfo->values.reg.memrdbk = get_unaligned_le32(bd->pins + 106); + minfo->features.pll.ref_freq = (bd->pins[110] & 0x01) ? 14318 : 27000; + minfo->values.memory.ddr = (bd->pins[114] & 0x60) == 0x20; + minfo->values.memory.dll = (bd->pins[115] & 0x02) != 0; + minfo->values.memory.emrswen = (bd->pins[115] & 0x01) != 0; + minfo->values.reg.maccess = minfo->values.memory.emrswen ? 0x00004000 : 0x00000000; + if (bd->pins[115] & 4) { + minfo->values.reg.mctlwtst_core = minfo->values.reg.mctlwtst; + } else { + static const u8 wtst_xlat[] = { + 0, 1, 5, 6, 7, 5, 2, 3 + }; + + minfo->values.reg.mctlwtst_core = (minfo->values.reg.mctlwtst & ~7) | + wtst_xlat[minfo->values.reg.mctlwtst & 7]; + } + minfo->max_pixel_clock_panellink = bd->pins[47] * 4000; + return 0; +} + +static void default_pins5(struct matrox_fb_info *minfo) +{ + /* Mine 16MB G450 with SDRAM DDR */ + minfo->limits.pixel.vcomax = + minfo->limits.system.vcomax = + minfo->limits.video.vcomax = 600000; + minfo->limits.pixel.vcomin = + minfo->limits.system.vcomin = + minfo->limits.video.vcomin = 256000; + minfo->values.pll.system = + minfo->values.pll.video = 284000; + minfo->values.reg.opt = 0x404A1160; + minfo->values.reg.opt2 = 0x0000AC00; + minfo->values.reg.opt3 = 0x0090A409; + minfo->values.reg.mctlwtst_core = + minfo->values.reg.mctlwtst = 0x0C81462B; + minfo->values.reg.memmisc = 0x80000004; + minfo->values.reg.memrdbk = 0x01001103; + minfo->features.pll.ref_freq = 27000; + minfo->values.memory.ddr = 1; + minfo->values.memory.dll = 1; + minfo->values.memory.emrswen = 1; + minfo->values.reg.maccess = 0x00004000; +} + +static int matroxfb_set_limits(struct matrox_fb_info *minfo, + const struct matrox_bios *bd) +{ + unsigned int pins_version; + static const unsigned int pinslen[] = { 64, 64, 64, 128, 128 }; + + switch (minfo->chip) { + case MGA_2064: default_pins1(minfo); break; + case MGA_2164: + case MGA_1064: + case MGA_1164: default_pins2(minfo); break; + case MGA_G100: + case MGA_G200: default_pins3(minfo); break; + case MGA_G400: default_pins4(minfo); break; + case MGA_G450: + case MGA_G550: default_pins5(minfo); break; + } + if (!bd->bios_valid) { + printk(KERN_INFO "matroxfb: Your Matrox device does not have BIOS\n"); + return -1; + } + if (bd->pins_len < 64) { + printk(KERN_INFO "matroxfb: BIOS on your Matrox device does not contain powerup info\n"); + return -1; + } + if (bd->pins[0] == 0x2E && bd->pins[1] == 0x41) { + pins_version = bd->pins[5]; + if (pins_version < 2 || pins_version > 5) { + printk(KERN_INFO "matroxfb: Unknown version (%u) of powerup info\n", pins_version); + return -1; + } + } else { + pins_version = 1; + } + if (bd->pins_len != pinslen[pins_version - 1]) { + printk(KERN_INFO "matroxfb: Invalid powerup info\n"); + return -1; + } + switch (pins_version) { + case 1: + return parse_pins1(minfo, bd); + case 2: + return parse_pins2(minfo, bd); + case 3: + return parse_pins3(minfo, bd); + case 4: + return parse_pins4(minfo, bd); + case 5: + return parse_pins5(minfo, bd); + default: + printk(KERN_DEBUG "matroxfb: Powerup info version %u is not yet supported\n", pins_version); + return -1; + } +} + +void matroxfb_read_pins(struct matrox_fb_info *minfo) +{ + u32 opt; + u32 biosbase; + u32 fbbase; + struct pci_dev *pdev = minfo->pcidev; + + memset(&minfo->bios, 0, sizeof(minfo->bios)); + pci_read_config_dword(pdev, PCI_OPTION_REG, &opt); + pci_write_config_dword(pdev, PCI_OPTION_REG, opt | PCI_OPTION_ENABLE_ROM); + pci_read_config_dword(pdev, PCI_ROM_ADDRESS, &biosbase); + pci_read_config_dword(pdev, minfo->devflags.fbResource, &fbbase); + pci_write_config_dword(pdev, PCI_ROM_ADDRESS, (fbbase & PCI_ROM_ADDRESS_MASK) | PCI_ROM_ADDRESS_ENABLE); + parse_bios(vaddr_va(minfo->video.vbase), &minfo->bios); + pci_write_config_dword(pdev, PCI_ROM_ADDRESS, biosbase); + pci_write_config_dword(pdev, PCI_OPTION_REG, opt); +#ifdef CONFIG_X86 + if (!minfo->bios.bios_valid) { + unsigned char __iomem* b; + + b = ioremap(0x000C0000, 65536); + if (!b) { + printk(KERN_INFO "matroxfb: Unable to map legacy BIOS\n"); + } else { + unsigned int ven = readb(b+0x64+0) | (readb(b+0x64+1) << 8); + unsigned int dev = readb(b+0x64+2) | (readb(b+0x64+3) << 8); + + if (ven != pdev->vendor || dev != pdev->device) { + printk(KERN_INFO "matroxfb: Legacy BIOS is for %04X:%04X, while this device is %04X:%04X\n", + ven, dev, pdev->vendor, pdev->device); + } else { + parse_bios(b, &minfo->bios); + } + iounmap(b); + } + } +#endif + matroxfb_set_limits(minfo, &minfo->bios); + printk(KERN_INFO "PInS memtype = %u\n", + (minfo->values.reg.opt & 0x1C00) >> 10); +} + +EXPORT_SYMBOL(matroxfb_DAC_in); +EXPORT_SYMBOL(matroxfb_DAC_out); +EXPORT_SYMBOL(matroxfb_var2my); +EXPORT_SYMBOL(matroxfb_PLL_calcclock); +EXPORT_SYMBOL(matroxfb_vgaHWinit); /* DAC1064, Ti3026 */ +EXPORT_SYMBOL(matroxfb_vgaHWrestore); /* DAC1064, Ti3026 */ +EXPORT_SYMBOL(matroxfb_read_pins); + +MODULE_AUTHOR("(c) 1999-2002 Petr Vandrovec <vandrove@vc.cvut.cz>"); +MODULE_DESCRIPTION("Miscellaneous support for Matrox video cards"); +MODULE_LICENSE("GPL"); diff --git a/drivers/video/fbdev/matrox/matroxfb_misc.h b/drivers/video/fbdev/matrox/matroxfb_misc.h new file mode 100644 index 000000000..9cb6686d3 --- /dev/null +++ b/drivers/video/fbdev/matrox/matroxfb_misc.h @@ -0,0 +1,22 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __MATROXFB_MISC_H__ +#define __MATROXFB_MISC_H__ + +#include "matroxfb_base.h" + +/* also for modules */ +int matroxfb_PLL_calcclock(const struct matrox_pll_features* pll, unsigned int freq, unsigned int fmax, + unsigned int* in, unsigned int* feed, unsigned int* post); +static inline int PLL_calcclock(const struct matrox_fb_info *minfo, + unsigned int freq, unsigned int fmax, + unsigned int *in, unsigned int *feed, + unsigned int *post) +{ + return matroxfb_PLL_calcclock(&minfo->features.pll, freq, fmax, in, feed, post); +} + +int matroxfb_vgaHWinit(struct matrox_fb_info *minfo, struct my_timming* m); +void matroxfb_vgaHWrestore(struct matrox_fb_info *minfo); +void matroxfb_read_pins(struct matrox_fb_info *minfo); + +#endif /* __MATROXFB_MISC_H__ */ |