diff options
Diffstat (limited to 'drivers/video/geode/lxfb.h')
| -rw-r--r-- | drivers/video/geode/lxfb.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/drivers/video/geode/lxfb.h b/drivers/video/geode/lxfb.h index b3fbc56ccbd..3b9416f4ee2 100644 --- a/drivers/video/geode/lxfb.h +++ b/drivers/video/geode/lxfb.h @@ -3,6 +3,16 @@ #include <linux/fb.h> +#define GP_REG_COUNT (0x7c / 4) +#define DC_REG_COUNT (0xf0 / 4) +#define VP_REG_COUNT (0x158 / 8) +#define FP_REG_COUNT (0x60 / 8) + +#define DC_PAL_COUNT 0x104 +#define DC_HFILT_COUNT 0x100 +#define DC_VFILT_COUNT 0x100 +#define VP_COEFF_SIZE 0x1000 + #define OUTPUT_CRT 0x01 #define OUTPUT_PANEL 0x02 @@ -12,6 +22,27 @@ struct lxfb_par { void __iomem *gp_regs; void __iomem *dc_regs; void __iomem *vp_regs; +#ifdef CONFIG_PM + int powered_down; + + /* register state, for power mgmt functionality */ + struct { + uint64_t padsel; + uint64_t dotpll; + uint64_t dfglcfg; + uint64_t dcspare; + } msr; + + uint32_t gp[GP_REG_COUNT]; + uint32_t dc[DC_REG_COUNT]; + uint64_t vp[VP_REG_COUNT]; + uint64_t fp[FP_REG_COUNT]; + + uint32_t pal[DC_PAL_COUNT]; + uint32_t hcoeff[DC_HFILT_COUNT * 2]; + uint32_t vcoeff[DC_VFILT_COUNT]; + uint32_t vp_coeff[VP_COEFF_SIZE / 4]; +#endif }; static inline unsigned int lx_get_pitch(unsigned int xres, int bpp) @@ -27,6 +58,11 @@ int lx_blank_display(struct fb_info *, int); void lx_set_palette_reg(struct fb_info *, unsigned int, unsigned int, unsigned int, unsigned int); +#ifdef CONFIG_PM +int lx_powerdown(struct fb_info *info); +int lx_powerup(struct fb_info *info); +#endif + /* Graphics Processor registers (table 6-29 from the data book) */ enum gp_registers { @@ -182,6 +218,9 @@ enum dc_registers { #define DC_DV_CTL_DV_LINE_SIZE_2K (1 << 10) #define DC_DV_CTL_DV_LINE_SIZE_4K (1 << 11) #define DC_DV_CTL_DV_LINE_SIZE_8K ((1 << 10) | (1 << 11)) +#define DC_DV_CTL_CLEAR_DV_RAM (1 << 0) + +#define DC_IRQ_FILT_CTL_H_FILT_SEL (1 << 10) #define DC_CLR_KEY_CLR_KEY_EN (1 << 24) @@ -267,6 +306,8 @@ enum vp_registers { VP_A2YE, VP_A3YE, /* 0x150 */ + + VP_VCR = 0x1000, /* 0x1000 - 0x1fff */ }; #define VP_VCFG_VID_EN (1 << 0) @@ -319,6 +360,10 @@ enum fp_registers { #define FP_PT2_SCRC (1 << 27) /* shfclk free */ #define FP_PM_P (1 << 24) /* panel power ctl */ +#define FP_PM_PANEL_PWR_UP (1 << 3) /* r/o */ +#define FP_PM_PANEL_PWR_DOWN (1 << 2) /* r/o */ +#define FP_PM_PANEL_OFF (1 << 1) /* r/o */ +#define FP_PM_PANEL_ON (1 << 0) /* r/o */ #define FP_DFC_BC ((1 << 4) | (1 << 5) | (1 << 6)) |