diff options
-rw-r--r-- | src/radeon_output.c | 51 | ||||
-rw-r--r-- | src/radeon_reg.h | 3 |
2 files changed, 48 insertions, 6 deletions
diff --git a/src/radeon_output.c b/src/radeon_output.c index 0ea6d650..c65798d0 100644 --- a/src/radeon_output.c +++ b/src/radeon_output.c @@ -391,9 +391,32 @@ radeon_destroy (xf86OutputPtr output) xfree(output->driver_private); } +static void +radeon_set_backlight_level(xf86OutputPtr output, int level) +{ + ScrnInfoPtr pScrn = output->scrn; + RADEONInfoPtr info = RADEONPTR(pScrn); + RADEONOutputPrivatePtr radeon_output = output->driver_private; + unsigned char * RADEONMMIO = info->MMIO; + CARD32 lvds_gen_cntl; + +#if 0 + lvds_gen_cntl = INREG(RADEON_LVDS_GEN_CNTL); + lvds_gen_cntl |= RADEON_LVDS_BL_MOD_EN; + lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_LEVEL_MASK; + lvds_gen_cntl |= (level << RADEON_LVDS_BL_MOD_LEVEL_SHIFT) & RADEON_LVDS_BL_MOD_LEVEL_MASK; + //usleep (radeon_output->PanelPwrDly * 1000); + OUTREG(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); + lvds_gen_cntl &= ~RADEON_LVDS_BL_MOD_EN; + //usleep (radeon_output->PanelPwrDly * 1000); + OUTREG(RADEON_LVDS_GEN_CNTL, lvds_gen_cntl); +#endif +} + static Atom backlight_atom; static Atom rmx_atom; static Atom monitor_type_atom; +#define RADEON_MAX_BACKLIGHT_LEVEL 255 static void radeon_create_resources(xf86OutputPtr output) @@ -409,7 +432,7 @@ radeon_create_resources(xf86OutputPtr output) backlight_atom = MAKE_ATOM("BACKLIGHT"); range[0] = 0; - range[1] = 255; // i830_lvds_get_max_backlight(pScrn); + range[1] = RADEON_MAX_BACKLIGHT_LEVEL; err = RRConfigureOutputProperty(output->randr_output, backlight_atom, FALSE, TRUE, FALSE, 2, range); if (err != 0) { @@ -417,7 +440,8 @@ radeon_create_resources(xf86OutputPtr output) "RRConfigureOutputProperty error, %d\n", err); } /* Set the current value of the backlight property */ - data = 127; //pI830->backlight_duty_cycle; + //data = (info->SavedReg.lvds_gen_cntl & RADEON_LVDS_BL_MOD_LEVEL_MASK) >> RADEON_LVDS_BL_MOD_LEVEL_SHIFT; + data = RADEON_MAX_BACKLIGHT_LEVEL; err = RRChangeOutputProperty(output->randr_output, backlight_atom, XA_INTEGER, 32, PropModeReplace, 1, &data, FALSE, TRUE); @@ -433,7 +457,7 @@ radeon_create_resources(xf86OutputPtr output) rmx_atom = MAKE_ATOM("PANELSCALER"); range[0] = 0; - range[1] = 2; // i830_lvds_get_max_backlight(pScrn); + range[1] = 2; err = RRConfigureOutputProperty(output->randr_output, rmx_atom, FALSE, TRUE, FALSE, 2, range); if (err != 0) { @@ -441,7 +465,7 @@ radeon_create_resources(xf86OutputPtr output) "RRConfigureOutputProperty error, %d\n", err); } /* Set the current value of the backlight property */ - data = 0; //pI830->backlight_duty_cycle; + data = 0; err = RRChangeOutputProperty(output->randr_output, rmx_atom, XA_INTEGER, 32, PropModeReplace, 1, &data, FALSE, TRUE); @@ -490,11 +514,25 @@ radeon_set_property(xf86OutputPtr output, Atom property, if (property == backlight_atom) { - return TRUE; + if (value->type != XA_INTEGER || + value->format != 32 || + value->size != 1) { + return FALSE; + } + + val = *(INT32 *)value->data; + if (val < 0 || val > RADEON_MAX_BACKLIGHT_LEVEL) + return FALSE; + +#if defined(__powerpc__) + val = RADEON_MAX_BACKLIGHT_LEVEL - val; +#endif + + radeon_set_backlight_level(output, val); + } else if (property == rmx_atom) { return TRUE; } else if (property == monitor_type_atom) { - if (value->type != XA_INTEGER || value->format != 32 || value->size != 1) { @@ -732,6 +770,7 @@ Bool RADEONSetupConnectors(ScrnInfoPtr pScrn) } output->driver_private = radeon_output; output->possible_crtcs = 1; + /* crtc2 can drive LVDS, it just doesn't have RMX */ if (radeon_output->type != OUTPUT_LVDS) output->possible_crtcs |= 2; diff --git a/src/radeon_reg.h b/src/radeon_reg.h index b8bff780..892e8d0b 100644 --- a/src/radeon_reg.h +++ b/src/radeon_reg.h @@ -876,6 +876,9 @@ # define RADEON_LVDS_PANEL_TYPE (1 << 2) # define RADEON_LVDS_PANEL_FORMAT (1 << 3) # define RADEON_LVDS_EN (1 << 7) +# define RADEON_LVDS_BL_MOD_LEVEL_SHIFT 8 +# define RADEON_LVDS_BL_MOD_LEVEL_MASK (0xff << 8) +# define RADEON_LVDS_BL_MOD_EN (1 << 16) # define RADEON_LVDS_DIGON (1 << 18) # define RADEON_LVDS_BLON (1 << 19) # define RADEON_LVDS_SEL_CRTC2 (1 << 23) |