diff options
Diffstat (limited to 'drivers/video/fbdev/matrox/matroxfb_maven.c')
| -rw-r--r-- | drivers/video/fbdev/matrox/matroxfb_maven.c | 1303 |
1 files changed, 1303 insertions, 0 deletions
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"); |