diff options
Diffstat (limited to 'arch/arm/plat-s5p/include')
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p-iovmm.h | 46 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/s5p-sysmmu.h | 31 | ||||
| -rw-r--r-- | arch/arm/plat-s5p/include/plat/tvout.h | 16 |
3 files changed, 93 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/s5p-iovmm.h b/arch/arm/plat-s5p/include/plat/s5p-iovmm.h index 2e31ce3..f22edc7 100644 --- a/arch/arm/plat-s5p/include/plat/s5p-iovmm.h +++ b/arch/arm/plat-s5p/include/plat/s5p-iovmm.h @@ -11,6 +11,50 @@ #ifndef __ASM_PLAT_IOVMM_H #define __ASM_PLAT_IOVMM_H +#ifdef CONFIG_DRM_EXYNOS_IOMMU +#ifdef CONFIG_IOVMM +void *iovmm_setup(unsigned long s_iova, unsigned long size); +void iovmm_cleanup(void *in_vmm); +int iovmm_activate(void *in_vmm, struct device *dev); +void iovmm_deactivate(void *in_vmm, struct device *dev); + +/* iovmm_map() - Maps a list of physical memory chunks + * @dev: the owner of the IO address space where the mapping is created + * @sg: list of physical memory chunks to map + * @offset: length in bytes where the mapping starts + * @size: how much memory to map in bytes. @offset + @size must not exceed + * total size of @sg + * + * This function returns mapped IO address in the address space of @dev. + * Returns 0 if mapping fails. + * + * The caller of this function must ensure that iovmm_cleanup() is not called + * while this function is called. + * + */ +dma_addr_t iovmm_map(void *in_vmm, struct scatterlist *sg, off_t offset, + size_t size); + +/* iovmm_map() - unmaps the given IO address + * @dev: the owner of the IO address space where @iova belongs + * @iova: IO address that needs to be unmapped and freed. + * + * The caller of this function must ensure that iovmm_cleanup() is not called + * while this function is called. + */ +void iovmm_unmap(void *in_vmm, dma_addr_t iova); + +#else +#define iovmm_setup(s_iova, size) (ERR_PTR(-ENOSYS)) +#define iovmm_cleanup(in_vmm) +#define iovmm_activate(in_vmm, dev) (-ENOSYS) +#define iovmm_deactivate(in_vmm, dev) +#define iovmm_map(in_vmm, sg, offset, size) (0) +#define iovmm_unmap(in_vmm, iova) +#endif /* CONFIG_IOVMM */ + +#else + #ifdef CONFIG_IOVMM int iovmm_setup(struct device *dev); void iovmm_cleanup(struct device *dev); @@ -52,4 +96,6 @@ void iovmm_unmap(struct device *dev, dma_addr_t iova); #define iovmm_unmap(dev, iova) #endif /* CONFIG_IOVMM */ +#endif /* CONFIG_DRM_EXYNOS_IOMMU */ + #endif /*__ASM_PLAT_IOVMM_H*/ diff --git a/arch/arm/plat-s5p/include/plat/s5p-sysmmu.h b/arch/arm/plat-s5p/include/plat/s5p-sysmmu.h index ad30a97..05aba31 100644 --- a/arch/arm/plat-s5p/include/plat/s5p-sysmmu.h +++ b/arch/arm/plat-s5p/include/plat/s5p-sysmmu.h @@ -40,7 +40,25 @@ enum S5P_SYSMMU_INTERRUPT_TYPE { typedef int (*s5p_sysmmu_fault_handler_t)(enum S5P_SYSMMU_INTERRUPT_TYPE itype, unsigned long pgtable_base, unsigned long fault_addr); +struct sysmmu_drvdata { + struct list_head node; + struct device *dev; + struct device *owner; + void __iomem *sfrbase; + struct clk *clk; + int activations; + rwlock_t lock; + s5p_sysmmu_fault_handler_t fault_handler; + unsigned long version; +}; + #ifdef CONFIG_S5P_SYSTEM_MMU + +struct sysmmu_drvdata *get_sysmmu_data(struct device *owner, + struct sysmmu_drvdata *start); + +struct list_head *get_sysmmu_list(void); + /** * s5p_sysmmu_enable() - enable system mmu * @owner: The device whose System MMU is about to be enabled. @@ -80,6 +98,19 @@ void s5p_sysmmu_set_tablebase_pgd(struct device *owner, unsigned long pgd); */ void s5p_sysmmu_tlb_invalidate(struct device *owner); +/** + * s5p_sysmmu_tlb_invalidate_entry() - flush a TLB entry in system mmu + * @owner: The device whose System MMU. + * @iova: device address to tlb entry to be invalidated. + * @count: entry count. + * + * This function flush all TLB entry in system mmu + */ +void s5p_sysmmu_tlb_invalidate_entry(struct device *owner, + unsigned long iova, + unsigned int count, + unsigned long page_size); + /** s5p_sysmmu_set_fault_handler() - Fault handler for System MMUs * Called when interrupt occurred by the System MMUs * The device drivers of peripheral devices that has a System MMU can implement diff --git a/arch/arm/plat-s5p/include/plat/tvout.h b/arch/arm/plat-s5p/include/plat/tvout.h index e649d69..d701269 100644 --- a/arch/arm/plat-s5p/include/plat/tvout.h +++ b/arch/arm/plat-s5p/include/plat/tvout.h @@ -15,6 +15,17 @@ struct platform_device; +#ifdef CONFIG_HDMI_TX_STRENGTH +struct s5p_tx_tuning { + u8 tx_ch; + u8 *tx_val; +}; + +struct s5p_platform_tvout { + struct s5p_tx_tuning *tx_tune; +}; +#endif + struct s5p_platform_hpd { void (*int_src_hdmi_hpd)(struct platform_device *pdev); void (*int_src_ext_hpd)(struct platform_device *pdev); @@ -41,6 +52,11 @@ struct s5p_platform_cec { extern void s5p_hdmi_cec_set_platdata(struct s5p_platform_cec *pd); + +#ifdef CONFIG_HDMI_TX_STRENGTH +extern void s5p_hdmi_tvout_set_platdata(struct s5p_platform_tvout *pd); +#endif + /* defined by architecture to configure gpio */ extern void s5p_cec_cfg_gpio(struct platform_device *pdev); |