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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/video/fbdev/matrox/matroxfb_g450.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/video/fbdev/matrox/matroxfb_g450.c')
-rw-r--r-- | drivers/video/fbdev/matrox/matroxfb_g450.c | 641 |
1 files changed, 641 insertions, 0 deletions
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"); |