Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / arch / arm / mach-s5pv310 / include / mach / sysmmu.h

diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
new file mode 100644 (file)
index 0000000..598fc5c
--- /dev/null
+++ b/arch/arm/mach-s5pv310/include/mach/sysmmu.h
@@ -0,0 +1,122 @@
+/* linux/arch/arm/mach-s5pv310/include/mach/sysmmu.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *             http://www.samsung.com/
+ *
+ * Samsung sysmmu driver for S5PV310
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARM_ARCH_SYSMMU_H
+#define __ASM_ARM_ARCH_SYSMMU_H __FILE__
+
+#define S5PV310_SYSMMU_TOTAL_IPNUM     16
+#define S5P_SYSMMU_TOTAL_IPNUM         S5PV310_SYSMMU_TOTAL_IPNUM
+
+enum s5pv310_sysmmu_ips {
+       SYSMMU_MDMA,
+       SYSMMU_SSS,
+       SYSMMU_FIMC0,
+       SYSMMU_FIMC1,
+       SYSMMU_FIMC2,
+       SYSMMU_FIMC3,
+       SYSMMU_JPEG,
+       SYSMMU_FIMD0,
+       SYSMMU_FIMD1,
+       SYSMMU_PCIe,
+       SYSMMU_G2D,
+       SYSMMU_ROTATOR,
+       SYSMMU_MDMA2,
+       SYSMMU_TV,
+       SYSMMU_MFC_L,
+       SYSMMU_MFC_R,
+};
+
+static char *sysmmu_ips_name[S5PV310_SYSMMU_TOTAL_IPNUM] = {
+       "SYSMMU_MDMA"   ,
+       "SYSMMU_SSS"    ,
+       "SYSMMU_FIMC0"  ,
+       "SYSMMU_FIMC1"  ,
+       "SYSMMU_FIMC2"  ,
+       "SYSMMU_FIMC3"  ,
+       "SYSMMU_JPEG"   ,
+       "SYSMMU_FIMD0"  ,
+       "SYSMMU_FIMD1"  ,
+       "SYSMMU_PCIe"   ,
+       "SYSMMU_G2D"    ,
+       "SYSMMU_ROTATOR",
+       "SYSMMU_MDMA2"  ,
+       "SYSMMU_TV"     ,
+       "SYSMMU_MFC_L"  ,
+       "SYSMMU_MFC_R"  ,
+};
+
+typedef enum s5pv310_sysmmu_ips sysmmu_ips;
+
+struct sysmmu_tt_info {
+       unsigned long *pgd;
+       unsigned long pgd_paddr;
+       unsigned long *pte;
+};
+
+struct sysmmu_controller {
+       const char              *name;
+
+       /* channels registers */
+       void __iomem            *regs;
+
+       /* channel irq */
+       unsigned int            irq;
+
+       sysmmu_ips              ips;
+
+       /* Translation Table Info. */
+       struct sysmmu_tt_info   *tt_info;
+
+       struct resource         *mem;
+       struct device           *dev;
+
+       /* SysMMU controller enable - true : enable */
+       bool                    enable;
+};
+
+/**
+ * s5p_sysmmu_enable() - enable system mmu of ip
+ * @ips: The ip connected system mmu.
+ *
+ * This function enable system mmu to transfer address
+ * from virtual address to physical address
+ */
+int s5p_sysmmu_enable(sysmmu_ips ips);
+
+/**
+ * s5p_sysmmu_disable() - disable sysmmu mmu of ip
+ * @ips: The ip connected system mmu.
+ *
+ * This function disable system mmu to transfer address
+ * from virtual address to physical address
+ */
+int s5p_sysmmu_disable(sysmmu_ips ips);
+
+/**
+ * s5p_sysmmu_set_tablebase_pgd() - set page table base address to refer page table
+ * @ips: The ip connected system mmu.
+ * @pgd: The page table base address.
+ *
+ * This function set page table base address
+ * When system mmu transfer address from virtaul address to physical address,
+ * system mmu refer address information from page table
+ */
+int s5p_sysmmu_set_tablebase_pgd(sysmmu_ips ips, unsigned long pgd);
+
+/**
+ * s5p_sysmmu_tlb_invalidate() - flush all TLB entry in system mmu
+ * @ips: The ip connected system mmu.
+ *
+ * This function flush all TLB entry in system mmu
+ */
+int s5p_sysmmu_tlb_invalidate(sysmmu_ips ips);
+#endif /* __ASM_ARM_ARCH_SYSMMU_H */