diff options
| author | Maciej W. Rozycki <macro@linux-mips.org> | 2007-05-08 00:37:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:27 -0700 |
| commit | 86c6f7d08b2868ba7cc1ef509c76ee9e9266af40 (patch) | |
| tree | 0054449648223eada54e451f4e29dd8d09e9fd6c /include/video | |
| parent | 9a268a629be4c15ed85c88a61d712d92aa943847 (diff) | |
| download | lwn-86c6f7d08b2868ba7cc1ef509c76ee9e9266af40.tar.gz lwn-86c6f7d08b2868ba7cc1ef509c76ee9e9266af40.zip | |
tgafb: TURBOchannel support
This is support for the TC variations of the TGA boards (properly known as
SFB+ or Smart Frame Buffer Plus boards). The 8-plane SFB+ board uses the
Bt459 RAMDAC (unlike its PCI TGA counterpart, which uses the Bt485), so
bits have been added to support this chip as well.
Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: James Simmons <jsimmons@infradead.org>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/video')
| -rw-r--r-- | include/video/tgafb.h | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/include/video/tgafb.h b/include/video/tgafb.h index be2b3e94e251..03d0dbe293a8 100644 --- a/include/video/tgafb.h +++ b/include/video/tgafb.h @@ -39,6 +39,7 @@ #define TGA_RASTEROP_REG 0x0034 #define TGA_PIXELSHIFT_REG 0x0038 #define TGA_DEEP_REG 0x0050 +#define TGA_START_REG 0x0054 #define TGA_PIXELMASK_REG 0x005c #define TGA_CURSOR_BASE_REG 0x0060 #define TGA_HORIZ_REG 0x0064 @@ -140,7 +141,7 @@ /* - * Useful defines for managing the BT463 on the 24-plane TGAs + * Useful defines for managing the BT463 on the 24-plane TGAs/SFB+s */ #define BT463_ADDR_LO 0x0 @@ -168,12 +169,35 @@ #define BT463_WINDOW_TYPE_BASE 0x0300 /* + * Useful defines for managing the BT459 on the 8-plane SFB+s + */ + +#define BT459_ADDR_LO 0x0 +#define BT459_ADDR_HI 0x1 +#define BT459_REG_ACC 0x2 +#define BT459_PALETTE 0x3 + +#define BT459_CUR_CLR_1 0x0181 +#define BT459_CUR_CLR_2 0x0182 +#define BT459_CUR_CLR_3 0x0183 + +#define BT459_CMD_REG_0 0x0201 +#define BT459_CMD_REG_1 0x0202 +#define BT459_CMD_REG_2 0x0203 + +#define BT459_READ_MASK 0x0204 + +#define BT459_BLINK_MASK 0x0206 + +#define BT459_CUR_CMD_REG 0x0300 + +/* * The framebuffer driver private data. */ struct tga_par { - /* PCI device. */ - struct pci_dev *pdev; + /* PCI/TC device. */ + struct device *dev; /* Device dependent information. */ void __iomem *tga_mem_base; @@ -235,4 +259,21 @@ BT463_WRITE(struct tga_par *par, u32 m, u16 a, u8 v) TGA_WRITE_REG(par, m << 10 | v, TGA_RAMDAC_REG); } +static inline void +BT459_LOAD_ADDR(struct tga_par *par, u16 a) +{ + TGA_WRITE_REG(par, BT459_ADDR_LO << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, a & 0xff, TGA_RAMDAC_REG); + TGA_WRITE_REG(par, BT459_ADDR_HI << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, a >> 8, TGA_RAMDAC_REG); +} + +static inline void +BT459_WRITE(struct tga_par *par, u32 m, u16 a, u8 v) +{ + BT459_LOAD_ADDR(par, a); + TGA_WRITE_REG(par, m << 2, TGA_RAMDAC_SETUP_REG); + TGA_WRITE_REG(par, v, TGA_RAMDAC_REG); +} + #endif /* TGAFB_H */ |