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path: root/drivers/video/matrox/g450_pll.c
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Diffstat (limited to 'drivers/video/matrox/g450_pll.c')
-rw-r--r--drivers/video/matrox/g450_pll.c185
1 files changed, 107 insertions, 78 deletions
diff --git a/drivers/video/matrox/g450_pll.c b/drivers/video/matrox/g450_pll.c
index 8c75427ad96f..09f6e045d5be 100644
--- a/drivers/video/matrox/g450_pll.c
+++ b/drivers/video/matrox/g450_pll.c
@@ -25,7 +25,9 @@ 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;
@@ -33,8 +35,9 @@ static unsigned int g450_mnp2vco(CPMINFO unsigned int mnp) {
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;
@@ -95,7 +101,10 @@ static unsigned int g450_nextpll(CPMINFO const struct matrox_pll_limits* pi, uns
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;
@@ -321,16 +348,16 @@ 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)
@@ -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);
@@ -385,14 +412,14 @@ 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 = &minfo->limits.video;
@@ -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;
}
@@ -468,11 +495,11 @@ 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(&minfo->hw, mnp, pll);
@@ -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;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-04 18:54:19 +0200