diff options
Diffstat (limited to 'arch/arm/mach-s5pv310/include/mach/sysmmu.h')
-rw-r--r-- | arch/arm/mach-s5pv310/include/mach/sysmmu.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/arch/arm/mach-s5pv310/include/mach/sysmmu.h b/arch/arm/mach-s5pv310/include/mach/sysmmu.h new file mode 100644 index 000000000000..598fc5c9211b --- /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 */ |