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authorMaciej W. Rozycki <macro@linux-mips.org>2007-05-08 00:37:48 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:27 -0700
commit86c6f7d08b2868ba7cc1ef509c76ee9e9266af40 (patch)
tree0054449648223eada54e451f4e29dd8d09e9fd6c /include/video
parent9a268a629be4c15ed85c88a61d712d92aa943847 (diff)
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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.h47
1 files changed, 44 insertions, 3 deletions
diff --git a/include/video/tgafb.h b/include/video/tgafb.h
index be2b3e94e25..03d0dbe293a 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 */