diff options
Diffstat (limited to 'drivers/video/matrox/g450_pll.c')
| -rw-r--r-- | drivers/video/matrox/g450_pll.c | 209 |
1 files changed, 119 insertions, 90 deletions
diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c index d42346e7fdd..09f6e045d5b 100644 --- a/drivers/video/matrox/g450_pll.c +++ b/drivers/video/matrox/g450_pll.c @@ -25,16 +25,19 @@ 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(CPMINFO unsigned int mnp) { +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 (ACCESS_FBINFO(features).pll.ref_freq * n + (m >> 1)) / m; + return (minfo->features.pll.ref_freq * n + (m >> 1)) / m; } -unsigned int g450_mnp2f(CPMINFO unsigned int mnp) { - return g450_vco2f(mnp, g450_mnp2vco(PMINFO mnp)); +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) { @@ -49,7 +52,10 @@ static inline unsigned int pll_freq_delta(unsigned int f1, unsigned int 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(CPMINFO const struct matrox_pll_limits* pi, unsigned int* fvco, unsigned int 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; @@ -90,12 +96,15 @@ static unsigned int g450_nextpll(CPMINFO const struct matrox_pll_limits* pi, uns } else { m--; } - n = ((tvco * (m+1) + ACCESS_FBINFO(features).pll.ref_freq) / (ACCESS_FBINFO(features).pll.ref_freq * 2)) - 2; + 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(CPMINFO const struct matrox_pll_limits* pi, unsigned int* vco, unsigned int fout) { +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; @@ -121,88 +130,94 @@ static unsigned int g450_firstpll(CPMINFO const struct matrox_pll_limits* pi, un } *vco = tvco; } - return g450_nextpll(PMINFO pi, vco, 0xFF0000 | p); + return g450_nextpll(minfo, pi, vco, 0xFF0000 | p); } -static inline unsigned int g450_setpll(CPMINFO unsigned int mnp, unsigned int pll) { +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(PMINFO M1064_XPIXPLLAM, mnp >> 16); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLAN, mnp >> 8); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLAP, mnp); + 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(PMINFO M1064_XPIXPLLBM, mnp >> 16); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLBN, mnp >> 8); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLBP, mnp); + 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(PMINFO M1064_XPIXPLLCM, mnp >> 16); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLCN, mnp >> 8); - matroxfb_DAC_out(PMINFO M1064_XPIXPLLCP, mnp); + 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(PMINFO DAC1064_XSYSPLLM, mnp >> 16); - matroxfb_DAC_out(PMINFO DAC1064_XSYSPLLN, mnp >> 8); - matroxfb_DAC_out(PMINFO DAC1064_XSYSPLLP, mnp); + 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(PMINFO M1064_XVIDPLLM, mnp >> 16); - matroxfb_DAC_out(PMINFO M1064_XVIDPLLN, mnp >> 8); - matroxfb_DAC_out(PMINFO M1064_XVIDPLLP, mnp); + 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(CPMINFO unsigned int mnp, unsigned int pll) { +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(PMINFO M1064_XPIXPLLAM) != m || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLAN) != n || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLAP) != p); + 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(PMINFO M1064_XPIXPLLBM) != m || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLBN) != n || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLBP) != p); + 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(PMINFO M1064_XPIXPLLCM) != m || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLCN) != n || - matroxfb_DAC_in(PMINFO M1064_XPIXPLLCP) != p); + 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(PMINFO DAC1064_XSYSPLLM) != m || - matroxfb_DAC_in(PMINFO DAC1064_XSYSPLLN) != n || - matroxfb_DAC_in(PMINFO DAC1064_XSYSPLLP) != p); + 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(PMINFO M1064_XVIDPLLM) != m || - matroxfb_DAC_in(PMINFO M1064_XVIDPLLN) != n || - matroxfb_DAC_in(PMINFO M1064_XVIDPLLP) != p); + 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(CPMINFO unsigned int regidx) { +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(PMINFO regidx) & 0x40) { + if (matroxfb_DAC_in(minfo, regidx) & 0x40) { unsigned int r = 0; int i; for (i = 0; i < 100; i++) { - r += matroxfb_DAC_in(PMINFO regidx) & 0x40; + r += matroxfb_DAC_in(minfo, regidx) & 0x40; } return r >= (90 * 0x40); } @@ -211,8 +226,10 @@ static inline int g450_isplllocked(CPMINFO unsigned int regidx) { return 0; } -static int g450_testpll(CPMINFO unsigned int mnp, unsigned int pll) { - return g450_isplllocked(PMINFO g450_setpll(PMINFO mnp, pll)); +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) { @@ -225,13 +242,19 @@ static void updatehwstate_clk(struct matrox_hw_state* hw, unsigned int mnp, unsi } } -void matroxfb_g450_setpll_cond(WPMINFO unsigned int mnp, unsigned int pll) { - if (g450_cmppll(PMINFO mnp, pll)) { - g450_setpll(PMINFO mnp, pll); +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(WPMINFO unsigned int pll, unsigned int* mnparray, unsigned int mnpcount) { +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]; @@ -255,22 +278,22 @@ static inline unsigned int g450_findworkingpll(WPMINFO unsigned int pll, unsigne while (sptr >= sarray) { unsigned int mnp = *sptr--; - if (g450_testpll(PMINFO mnp - 0x0300, pll) && - g450_testpll(PMINFO mnp + 0x0300, pll) && - g450_testpll(PMINFO mnp - 0x0200, pll) && - g450_testpll(PMINFO mnp + 0x0200, pll) && - g450_testpll(PMINFO mnp - 0x0100, pll) && - g450_testpll(PMINFO mnp + 0x0100, pll)) { - if (g450_testpll(PMINFO mnp, pll)) { + 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(PMINFO mnp, pll)) { + } else if (!found && g450_testpll(minfo, mnp, pll)) { mnpfound = mnp; found = 1; } } } - g450_setpll(PMINFO mnpfound, pll); + g450_setpll(minfo, mnpfound, pll); return mnpfound; } @@ -283,7 +306,9 @@ static void g450_addcache(struct matrox_pll_cache* ci, unsigned int mnp_key, uns ci->data[0].mnp_value = mnp_value; } -static int g450_checkcache(WPMINFO struct matrox_pll_cache* ci, unsigned int mnp_key) { +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; @@ -303,8 +328,10 @@ static int g450_checkcache(WPMINFO struct matrox_pll_cache* ci, unsigned int mnp return NO_MORE_MNP; } -static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, - unsigned int* mnparray, unsigned int* deltaarray) { +static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout, + unsigned int pll, unsigned int *mnparray, + unsigned int *deltaarray) +{ unsigned int mnpcount; unsigned int pixel_vco; const struct matrox_pll_limits* pi; @@ -321,19 +348,19 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, matroxfb_DAC_lock_irqsave(flags); - xpwrctrl = matroxfb_DAC_in(PMINFO M1064_XPWRCTRL); - matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, xpwrctrl & ~M1064_XPWRCTRL_PANELPDN); + 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(PMINFO M1064_XPIXCLKCTRL); + 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(PMINFO M1064_XPIXCLKCTRL, tmp); + 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) + if (fout >= minfo->max_pixel_clock_panellink) tmp = 0; else tmp = M1064_XDVICLKCTRL_DVIDATAPATHSEL | @@ -341,8 +368,8 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, M1064_XDVICLKCTRL_C1DVICLKEN | M1064_XDVICLKCTRL_DVILOOPCTL | M1064_XDVICLKCTRL_P1LOOPBWDTCTL; - matroxfb_DAC_out(PMINFO M1064_XDVICLKCTRL,tmp); - matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, + matroxfb_DAC_out(minfo, M1064_XDVICLKCTRL, tmp); + matroxfb_DAC_out(minfo, M1064_XPWRCTRL, xpwrctrl); matroxfb_DAC_unlock_irqrestore(flags); @@ -363,20 +390,20 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, } mga_outb(M_MISC_REG, misc); } - pi = &ACCESS_FBINFO(limits.pixel); - ci = &ACCESS_FBINFO(cache.pixel); + pi = &minfo->limits.pixel; + ci = &minfo->cache.pixel; break; case M_SYSTEM_PLL: { u_int32_t opt; - pci_read_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, &opt); + pci_read_config_dword(minfo->pcidev, PCI_OPTION_REG, &opt); if (!(opt & 0x20)) { - pci_write_config_dword(ACCESS_FBINFO(pcidev), PCI_OPTION_REG, opt | 0x20); + pci_write_config_dword(minfo->pcidev, PCI_OPTION_REG, opt | 0x20); } } - pi = &ACCESS_FBINFO(limits.system); - ci = &ACCESS_FBINFO(cache.system); + pi = &minfo->limits.system; + ci = &minfo->cache.system; break; case M_VIDEO_PLL: { @@ -385,18 +412,18 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, unsigned long flags; matroxfb_DAC_lock_irqsave(flags); - tmp = matroxfb_DAC_in(PMINFO M1064_XPWRCTRL); + tmp = matroxfb_DAC_in(minfo, M1064_XPWRCTRL); if (!(tmp & 2)) { - matroxfb_DAC_out(PMINFO M1064_XPWRCTRL, tmp | 2); + matroxfb_DAC_out(minfo, M1064_XPWRCTRL, tmp | 2); } - mnp = matroxfb_DAC_in(PMINFO M1064_XPIXPLLCM) << 16; - mnp |= matroxfb_DAC_in(PMINFO M1064_XPIXPLLCN) << 8; - pixel_vco = g450_mnp2vco(PMINFO mnp); + mnp = matroxfb_DAC_in(minfo, M1064_XPIXPLLCM) << 16; + mnp |= matroxfb_DAC_in(minfo, M1064_XPIXPLLCN) << 8; + pixel_vco = g450_mnp2vco(minfo, mnp); matroxfb_DAC_unlock_irqrestore(flags); } - pi = &ACCESS_FBINFO(limits.video); - ci = &ACCESS_FBINFO(cache.video); + pi = &minfo->limits.video; + ci = &minfo->cache.video; break; default: return -EINVAL; @@ -407,12 +434,12 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, unsigned int mnp; unsigned int xvco; - for(mnp = g450_firstpll(PMINFO pi, &xvco, fout); mnp != NO_MORE_MNP; mnp = g450_nextpll(PMINFO pi, &xvco, mnp)) { + 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(PMINFO mnp); + vco = g450_mnp2vco(minfo, mnp); #if 0 if (pll == M_VIDEO_PLL) { unsigned int big, small; @@ -444,7 +471,7 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, * (freqs near VCOmin aren't as stable) */ if (delta == deltaarray[idx-1] - && vco != g450_mnp2vco(PMINFO mnparray[idx-1]) + && vco != g450_mnp2vco(minfo, mnparray[idx-1]) && vco < (pi->vcomin * 17 / 16)) { break; } @@ -468,14 +495,14 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, unsigned int mnp; matroxfb_DAC_lock_irqsave(flags); - mnp = g450_checkcache(PMINFO ci, mnparray[0]); + mnp = g450_checkcache(minfo, ci, mnparray[0]); if (mnp != NO_MORE_MNP) { - matroxfb_g450_setpll_cond(PMINFO mnp, pll); + matroxfb_g450_setpll_cond(minfo, mnp, pll); } else { - mnp = g450_findworkingpll(PMINFO pll, mnparray, mnpcount); + mnp = g450_findworkingpll(minfo, pll, mnparray, mnpcount); g450_addcache(ci, mnparray[0], mnp); } - updatehwstate_clk(&ACCESS_FBINFO(hw), mnp, pll); + updatehwstate_clk(&minfo->hw, mnp, pll); matroxfb_DAC_unlock_irqrestore(flags); return mnp; } @@ -485,14 +512,16 @@ static int __g450_setclk(WPMINFO unsigned int fout, unsigned int pll, * Currently there is 5(p) * 10(m) = 50 possible values. */ #define MNP_TABLE_SIZE 64 -int matroxfb_g450_setclk(WPMINFO unsigned int fout, unsigned int pll) { +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(PMINFO fout, pll, arr, arr + MNP_TABLE_SIZE); + r = __g450_setclk(minfo, fout, pll, arr, arr + MNP_TABLE_SIZE); kfree(arr); return r; } |