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Diffstat (limited to 'drivers/video/fbdev/sm712.h')
-rw-r--r--drivers/video/fbdev/sm712.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sm712.h b/drivers/video/fbdev/sm712.h
new file mode 100644
index 000000000..aad1cc4be
--- /dev/null
+++ b/drivers/video/fbdev/sm712.h
@@ -0,0 +1,116 @@
+/*
+ * Silicon Motion SM712 frame buffer device
+ *
+ * Copyright (C) 2006 Silicon Motion Technology Corp.
+ * Authors: Ge Wang, gewang@siliconmotion.com
+ * Boyod boyod.yang@siliconmotion.com.cn
+ *
+ * Copyright (C) 2009 Lemote, Inc.
+ * Author: Wu Zhangjin, wuzhangjin@gmail.com
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#define FB_ACCEL_SMI_LYNX 88
+
+#define SCREEN_X_RES 1024
+#define SCREEN_Y_RES 600
+#define SCREEN_BPP 16
+
+/*Assume SM712 graphics chip has 4MB VRAM */
+#define SM712_VIDEOMEMORYSIZE 0x00400000
+/*Assume SM722 graphics chip has 8MB VRAM */
+#define SM722_VIDEOMEMORYSIZE 0x00800000
+
+#define dac_reg (0x3c8)
+#define dac_val (0x3c9)
+
+extern void __iomem *smtc_regbaseaddress;
+#define smtc_mmiowb(dat, reg) writeb(dat, smtc_regbaseaddress + reg)
+
+#define smtc_mmiorb(reg) readb(smtc_regbaseaddress + reg)
+
+#define SIZE_SR00_SR04 (0x04 - 0x00 + 1)
+#define SIZE_SR10_SR24 (0x24 - 0x10 + 1)
+#define SIZE_SR30_SR75 (0x75 - 0x30 + 1)
+#define SIZE_SR80_SR93 (0x93 - 0x80 + 1)
+#define SIZE_SRA0_SRAF (0xAF - 0xA0 + 1)
+#define SIZE_GR00_GR08 (0x08 - 0x00 + 1)
+#define SIZE_AR00_AR14 (0x14 - 0x00 + 1)
+#define SIZE_CR00_CR18 (0x18 - 0x00 + 1)
+#define SIZE_CR30_CR4D (0x4D - 0x30 + 1)
+#define SIZE_CR90_CRA7 (0xA7 - 0x90 + 1)
+
+static inline void smtc_crtcw(int reg, int val)
+{
+ smtc_mmiowb(reg, 0x3d4);
+ smtc_mmiowb(val, 0x3d5);
+}
+
+static inline void smtc_grphw(int reg, int val)
+{
+ smtc_mmiowb(reg, 0x3ce);
+ smtc_mmiowb(val, 0x3cf);
+}
+
+static inline void smtc_attrw(int reg, int val)
+{
+ smtc_mmiorb(0x3da);
+ smtc_mmiowb(reg, 0x3c0);
+ smtc_mmiorb(0x3c1);
+ smtc_mmiowb(val, 0x3c0);
+}
+
+static inline void smtc_seqw(int reg, int val)
+{
+ smtc_mmiowb(reg, 0x3c4);
+ smtc_mmiowb(val, 0x3c5);
+}
+
+static inline unsigned int smtc_seqr(int reg)
+{
+ smtc_mmiowb(reg, 0x3c4);
+ return smtc_mmiorb(0x3c5);
+}
+
+/* The next structure holds all information relevant for a specific video mode.
+ */
+
+struct modeinit {
+ int mmsizex;
+ int mmsizey;
+ int bpp;
+ int hz;
+ unsigned char init_misc;
+ unsigned char init_sr00_sr04[SIZE_SR00_SR04];
+ unsigned char init_sr10_sr24[SIZE_SR10_SR24];
+ unsigned char init_sr30_sr75[SIZE_SR30_SR75];
+ unsigned char init_sr80_sr93[SIZE_SR80_SR93];
+ unsigned char init_sra0_sraf[SIZE_SRA0_SRAF];
+ unsigned char init_gr00_gr08[SIZE_GR00_GR08];
+ unsigned char init_ar00_ar14[SIZE_AR00_AR14];
+ unsigned char init_cr00_cr18[SIZE_CR00_CR18];
+ unsigned char init_cr30_cr4d[SIZE_CR30_CR4D];
+ unsigned char init_cr90_cra7[SIZE_CR90_CRA7];
+};
+
+#ifdef __BIG_ENDIAN
+#define pal_rgb(r, g, b, val) (((r & 0xf800) >> 8) | \
+ ((g & 0xe000) >> 13) | \
+ ((g & 0x1c00) << 3) | \
+ ((b & 0xf800) >> 3))
+#define big_addr 0x800000
+#define mmio_addr 0x00800000
+#define seqw17() smtc_seqw(0x17, 0x30)
+#define big_pixel_depth(p, d) {if (p == 24) {p = 32; d = 32; } }
+#define big_swap(p) ((p & 0xff00ff00 >> 8) | (p & 0x00ff00ff << 8))
+#else
+#define pal_rgb(r, g, b, val) val
+#define big_addr 0
+#define mmio_addr 0x00c00000
+#define seqw17() do { } while (0)
+#define big_pixel_depth(p, d) do { } while (0)
+#define big_swap(p) p
+#endif