diff options
Diffstat (limited to 'drivers/video/mb862xx/mb862xxfbdrv.c')
| -rw-r--r-- | drivers/video/mb862xx/mb862xxfbdrv.c | 116 |
1 files changed, 115 insertions, 1 deletions
diff --git a/drivers/video/mb862xx/mb862xxfbdrv.c b/drivers/video/mb862xx/mb862xxfbdrv.c index 0cc20b4fbcb..ea39336addf 100644 --- a/drivers/video/mb862xx/mb862xxfbdrv.c +++ b/drivers/video/mb862xx/mb862xxfbdrv.c @@ -27,7 +27,7 @@ #define NR_PALETTE 256 #define MB862XX_MEM_SIZE 0x1000000 -#define CORALP_MEM_SIZE 0x4000000 +#define CORALP_MEM_SIZE 0x2000000 #define CARMINE_MEM_SIZE 0x8000000 #define DRV_NAME "mb862xxfb" @@ -309,6 +309,97 @@ static int mb862xxfb_blank(int mode, struct fb_info *fbi) return 0; } +static int mb862xxfb_ioctl(struct fb_info *fbi, unsigned int cmd, + unsigned long arg) +{ + struct mb862xxfb_par *par = fbi->par; + struct mb862xx_l1_cfg *l1_cfg = &par->l1_cfg; + void __user *argp = (void __user *)arg; + int *enable; + u32 l1em = 0; + + switch (cmd) { + case MB862XX_L1_GET_CFG: + if (copy_to_user(argp, l1_cfg, sizeof(*l1_cfg))) + return -EFAULT; + break; + case MB862XX_L1_SET_CFG: + if (copy_from_user(l1_cfg, argp, sizeof(*l1_cfg))) + return -EFAULT; + if ((l1_cfg->sw >= l1_cfg->dw) && (l1_cfg->sh >= l1_cfg->dh)) { + /* downscaling */ + outreg(cap, GC_CAP_CSC, + pack((l1_cfg->sh << 11) / l1_cfg->dh, + (l1_cfg->sw << 11) / l1_cfg->dw)); + l1em = inreg(disp, GC_L1EM); + l1em &= ~GC_L1EM_DM; + } else if ((l1_cfg->sw <= l1_cfg->dw) && + (l1_cfg->sh <= l1_cfg->dh)) { + /* upscaling */ + outreg(cap, GC_CAP_CSC, + pack((l1_cfg->sh << 11) / l1_cfg->dh, + (l1_cfg->sw << 11) / l1_cfg->dw)); + outreg(cap, GC_CAP_CMSS, + pack(l1_cfg->sw >> 1, l1_cfg->sh)); + outreg(cap, GC_CAP_CMDS, + pack(l1_cfg->dw >> 1, l1_cfg->dh)); + l1em = inreg(disp, GC_L1EM); + l1em |= GC_L1EM_DM; + } + + if (l1_cfg->mirror) { + outreg(cap, GC_CAP_CBM, + inreg(cap, GC_CAP_CBM) | GC_CBM_HRV); + l1em |= l1_cfg->dw * 2 - 8; + } else { + outreg(cap, GC_CAP_CBM, + inreg(cap, GC_CAP_CBM) & ~GC_CBM_HRV); + l1em &= 0xffff0000; + } + outreg(disp, GC_L1EM, l1em); + break; + case MB862XX_L1_ENABLE: + enable = (int *)arg; + if (*enable) { + outreg(disp, GC_L1DA, par->cap_buf); + outreg(cap, GC_CAP_IMG_START, + pack(l1_cfg->sy >> 1, l1_cfg->sx)); + outreg(cap, GC_CAP_IMG_END, + pack(l1_cfg->sh, l1_cfg->sw)); + outreg(disp, GC_L1M, GC_L1M_16 | GC_L1M_YC | GC_L1M_CS | + (par->l1_stride << 16)); + outreg(disp, GC_L1WY_L1WX, + pack(l1_cfg->dy, l1_cfg->dx)); + outreg(disp, GC_L1WH_L1WW, + pack(l1_cfg->dh - 1, l1_cfg->dw)); + outreg(disp, GC_DLS, 1); + outreg(cap, GC_CAP_VCM, + GC_VCM_VIE | GC_VCM_CM | GC_VCM_VS_PAL); + outreg(disp, GC_DCM1, inreg(disp, GC_DCM1) | + GC_DCM1_DEN | GC_DCM1_L1E); + } else { + outreg(cap, GC_CAP_VCM, + inreg(cap, GC_CAP_VCM) & ~GC_VCM_VIE); + outreg(disp, GC_DCM1, + inreg(disp, GC_DCM1) & ~GC_DCM1_L1E); + } + break; + case MB862XX_L1_CAP_CTL: + enable = (int *)arg; + if (*enable) { + outreg(cap, GC_CAP_VCM, + inreg(cap, GC_CAP_VCM) | GC_VCM_VIE); + } else { + outreg(cap, GC_CAP_VCM, + inreg(cap, GC_CAP_VCM) & ~GC_VCM_VIE); + } + break; + default: + return -EINVAL; + } + return 0; +} + /* framebuffer ops */ static struct fb_ops mb862xxfb_ops = { .owner = THIS_MODULE, @@ -320,6 +411,7 @@ static struct fb_ops mb862xxfb_ops = { .fb_fillrect = cfb_fillrect, .fb_copyarea = cfb_copyarea, .fb_imageblit = cfb_imageblit, + .fb_ioctl = mb862xxfb_ioctl, }; /* initialize fb_info data */ @@ -328,6 +420,7 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi) struct mb862xxfb_par *par = fbi->par; struct mb862xx_gc_mode *mode = par->gc_mode; unsigned long reg; + int stride; fbi->fbops = &mb862xxfb_ops; fbi->pseudo_palette = par->pseudo_palette; @@ -420,6 +513,27 @@ static int mb862xxfb_init_fbinfo(struct fb_info *fbi) fbi->fix.line_length = (fbi->var.xres_virtual * fbi->var.bits_per_pixel) / 8; fbi->fix.smem_len = fbi->fix.line_length * fbi->var.yres_virtual; + + /* + * reserve space for capture buffers and two cursors + * at the end of vram: 720x576 * 2 * 2.2 + 64x64 * 16. + */ + par->cap_buf = par->mapped_vram - 0x1bd800 - 0x10000; + par->cap_len = 0x1bd800; + par->l1_cfg.sx = 0; + par->l1_cfg.sy = 0; + par->l1_cfg.sw = 720; + par->l1_cfg.sh = 576; + par->l1_cfg.dx = 0; + par->l1_cfg.dy = 0; + par->l1_cfg.dw = 720; + par->l1_cfg.dh = 576; + stride = par->l1_cfg.sw * (fbi->var.bits_per_pixel / 8); + par->l1_stride = stride / 64 + ((stride % 64) ? 1 : 0); + outreg(cap, GC_CAP_CBM, GC_CBM_OO | GC_CBM_CBST | + (par->l1_stride << 16)); + outreg(cap, GC_CAP_CBOA, par->cap_buf); + outreg(cap, GC_CAP_CBLA, par->cap_buf + par->cap_len); return 0; } |