diff options
Diffstat (limited to 'src/mga_dh.c')
| -rw-r--r-- | src/mga_dh.c | 106 |
1 files changed, 21 insertions, 85 deletions
diff --git a/src/mga_dh.c b/src/mga_dh.c index 0bf89e9..be063e1 100644 --- a/src/mga_dh.c +++ b/src/mga_dh.c @@ -26,36 +26,6 @@ #define CLKSEL_MGA 0x0c #define PLLLOCK 0x40 -/* CRTC2 control field*/ -#define C2_EN_A 0 -#define C2_EN_M (1 << C2_EN_A) -#define C2_HIPRILVL_A 4 -#define C2_HIPRILVL_M (7 << C2_HIPRILVL_A) -#define C2_MAXHIPRI_A 8 -#define C2_MAXHIPRI_M (7 << C2_MAXHIPRI_A) - -#define C2CTL_PIXCLKSEL_SHIFT 1L -#define C2CTL_PIXCLKSEL_MASK (3L << C2CTL_PIXCLKSEL_SHIFT) -#define C2CTL_PIXCLKSELH_SHIFT 14L -#define C2CTL_PIXCLKSELH_MASK (1L << C2CTL_PIXCLKSELH_SHIFT) -#define C2CTL_PIXCLKSEL_PCICLK 0L -#define C2CTL_PIXCLKSEL_VDOCLK (1L << C2CTL_PIXCLKSEL_SHIFT) -#define C2CTL_PIXCLKSEL_PIXELPLL (2L << C2CTL_PIXCLKSEL_SHIFT) -#define C2CTL_PIXCLKSEL_VIDEOPLL (3L << C2CTL_PIXCLKSEL_SHIFT) -#define C2CTL_PIXCLKSEL_VDCLK (1L << C2CTL_PIXCLKSELH_SHIFT) - -#define C2CTL_PIXCLKSEL_CRISTAL (1L << C2CTL_PIXCLKSEL_SHIFT) | (1L << C2CTL_PIXCLKSELH_SHIFT) -#define C2CTL_PIXCLKSEL_SYSTEMPLL (2L << C2CTL_PIXCLKSEL_SHIFT) | (1L << C2CTL_PIXCLKSELH_SHIFT) - -#define C2CTL_PIXCLKDIS_SHIFT 3L -#define C2CTL_PIXCLKDIS_MASK (1L << C2CTL_PIXCLKDIS_SHIFT) -#define C2CTL_PIXCLKDIS_DISABLE (1L << C2CTL_PIXCLKDIS_SHIFT) - -#define C2CTL_CRTCDACSEL_SHIFT 20L -#define C2CTL_CRTCDACSEL_MASK (1L << C2CTL_CRTCDACSEL_SHIFT) -#define C2CTL_CRTCDACSEL_CRTC1 0 -#define C2CTL_CRTCDACSEL_CRTC2 (1L << C2CTL_CRTCDACSEL_SHIFT) - /* Misc field*/ #define IOADDSEL 0x01 #define RAMMAPEN 0x02 @@ -101,39 +71,6 @@ #define XSYNCCTRL_DAC2VSOFF_OFF (1 << XSYNCCTRL_DAC2VSOFF_SHIFT) #define XSYNCCTRL_DAC2VSOFF_ON 0 - -/* XDISPCTRL field */ -#define XDISPCTRL_DAC1OUTSEL_SHIFT 0L -#define XDISPCTRL_DAC1OUTSEL_MASK 1L -#define XDISPCTRL_DAC1OUTSEL_DIS 0L -#define XDISPCTRL_DAC1OUTSEL_EN 1L -#define XDISPCTRL_DAC2OUTSEL_SHIFT 2L -#define XDISPCTRL_DAC2OUTSEL_MASK (3L << XDISPCTRL_DAC2OUTSEL_SHIFT) -#define XDISPCTRL_DAC2OUTSEL_DIS 0L -#define XDISPCTRL_DAC2OUTSEL_CRTC1 (1L << XDISPCTRL_DAC2OUTSEL_SHIFT) -#define XDISPCTRL_DAC2OUTSEL_CRTC2 (2L << XDISPCTRL_DAC2OUTSEL_SHIFT) -#define XDISPCTRL_DAC2OUTSEL_TVE (3L << XDISPCTRL_DAC2OUTSEL_SHIFT) -#define XDISPCTRL_PANOUTSEL_SHIFT 5L -#define XDISPCTRL_PANOUTSEL_MASK (3L << XDISPCTRL_PANOUTSEL_SHIFT) -#define XDISPCTRL_PANOUTSEL_DIS 0L -#define XDISPCTRL_PANOUTSEL_CRTC1 (1L << XDISPCTRL_PANOUTSEL_SHIFT) -#define XDISPCTRL_PANOUTSEL_CRTC2RGB (2L << XDISPCTRL_PANOUTSEL_SHIFT) -#define XDISPCTRL_PANOUTSEL_CRTC2656 (3L << XDISPCTRL_PANOUTSEL_SHIFT) - -/* XPWRCTRL field*/ -#define XPWRCTRL_DAC2PDN_SHIFT 0 -#define XPWRCTRL_DAC2PDN_MASK (1 << XPWRCTRL_DAC2PDN_SHIFT) -#define XPWRCTRL_VIDPLLPDN_SHIFT 1 -#define XPWRCTRL_VIDPLLPDN_MASK (1 << XPWRCTRL_VIDPLLPDN_SHIFT) -#define XPWRCTRL_PANPDN_SHIFT 2 -#define XPWRCTRL_PANPDN_MASK (1 << XPWRCTRL_PANPDN_SHIFT) -#define XPWRCTRL_RFIFOPDN_SHIFT 3 -#define XPWRCTRL_RFIFOPDN_MASK (1 << XPWRCTRL_RFIFOPDN_SHIFT) -#define XPWRCTRL_CFIFOPDN_SHIFT 4 -#define XPWRCTRL_CFIFOPDN_MASK (1 << XPWRCTRL_CFIFOPDN_SHIFT) - - - #define POS_HSYNC 0x00000004 #define POS_VSYNC 0x00000008 @@ -295,20 +232,23 @@ void MGAEnableSecondOutPut(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo) ulC2CTL = INREG( MGAREG_C2CTL); /*--- Disable Pixel clock oscillations On Crtc1 */ - OUTREG( MGAREG_C2CTL, ulC2CTL | C2CTL_PIXCLKDIS_MASK); + OUTREG( MGAREG_C2CTL, ulC2CTL | MGAREG_C2CTL_PIXCLKDIS_MASK); /*--- Have to wait minimum time (2 acces will be ok) */ (void) INREG( MGAREG_Status); (void) INREG( MGAREG_Status); - ulC2CTL &= ~(C2CTL_PIXCLKSEL_MASK | C2CTL_PIXCLKSELH_MASK); + ulC2CTL &= ~MGAREG_C2CTL_PIXCLKSEL_MASK; + ulC2CTL &= ~MGAREG_C2CTL_PIXCLKSELH_MASK; - ulC2CTL |= C2CTL_PIXCLKSEL_VIDEOPLL; + ulC2CTL |= MGAREG_C2CTL_PIXCLKSEL_VIDEOPLL; OUTREG( MGAREG_C2CTL, ulC2CTL); + /*--- Enable Pixel clock oscillations on CRTC2*/ - OUTREG( MGAREG_C2CTL, ulC2CTL & ~C2CTL_PIXCLKDIS_MASK); + ulC2CTL &= ~MGAREG_C2CTL_PIXCLKDIS_MASK; + OUTREG( MGAREG_C2CTL, ulC2CTL); /* We don't use MISC synch pol, must be 0*/ @@ -336,24 +276,21 @@ void MGAEnableSecondOutPut(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo) ulC2CTL = INREG(MGAREG_C2CTL); ucXDispCtrl = inMGAdac(MGA1064_DISP_CTL); - ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK; - ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC2; + ucXDispCtrl &= ~MGA1064_DISP_CTL_DAC2OUTSEL_MASK; if (!pMga->SecondOutput) { /* Route Crtc2 on Output1 */ - ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK; - ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC1; - ulC2CTL |= C2CTL_CRTCDACSEL_CRTC2; + ucXDispCtrl |= MGA1064_DISP_CTL_DAC2OUTSEL_CRTC1; + ulC2CTL |= MGAREG_C2CTL_CRTCDACSEL_CRTC2; } else { /* Route Crtc2 on Output2*/ - ucXDispCtrl &= ~XDISPCTRL_DAC2OUTSEL_MASK; - ucXDispCtrl |= XDISPCTRL_DAC2OUTSEL_CRTC2; - ulC2CTL &= ~C2CTL_CRTCDACSEL_MASK; + ucXDispCtrl |= MGA1064_DISP_CTL_DAC2OUTSEL_CRTC2; + ulC2CTL &= ~MGAREG_C2CTL_CRTCDACSEL_MASK; } /* Enable CRTC2*/ - ulC2CTL |= C2_EN_M; + ulC2CTL |= MGAREG_C2CTL_C2_EN; pReg->dac2[ MGA1064_DISP_CTL - 0x80] = ucXDispCtrl; @@ -377,15 +314,14 @@ void MGAEnableSecondOutPut(ScrnInfoPtr pScrn, xMODEINFO *pModeInfo) ucByte &= ~(XSYNCCTRL_DAC2HSOFF_MASK | XSYNCCTRL_DAC2VSOFF_MASK); pReg->dac2[ MGA1064_SYNC_CTL - 0x80] = ucByte; - /* Powerup DAC2*/ - ucByte = inMGAdac( MGA1064_PWR_CTL); - pReg->dac2[ MGA1064_PWR_CTL - 0x80] = /* 0x0b; */ (ucByte | XPWRCTRL_DAC2PDN_MASK); - - - - /* Power up Fifo*/ - ucByte = inMGAdac( MGA1064_PWR_CTL); - pReg->dac2[ MGA1064_PWR_CTL - 0x80] = 0x1b; /* (ucByte | XPWRCTRL_CFIFOPDN_MASK) */; + /* Power up DAC2, Fifo. + * The TMDS is powered down here, which is likely wrong. + */ + pReg->dac2[MGA1064_PWR_CTL - 0x80] = + MGA1064_PWR_CTL_DAC2_EN | + MGA1064_PWR_CTL_VID_PLL_EN | + MGA1064_PWR_CTL_RFIFO_EN | + MGA1064_PWR_CTL_CFIFO_EN; #ifdef DEBUG |