Merge commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126' into msm-3.4
AU_LINUX_ANDROID_ICS.04.00.04.00.126 from msm-3.0.
First parent is from google/android-3.4.
* commit 'AU_LINUX_ANDROID_ICS.04.00.04.00.126': (8712 commits)
PRNG: Device tree entry for qrng device.
vidc:1080p: Set video core timeout value for Thumbnail mode
msm: sps: improve the debugging support in SPS driver
board-8064 msm: Overlap secure and non secure video firmware heaps.
msm: clock: Add handoff ops for 7x30 and copper XO clocks
msm_fb: display: Wait for external vsync before DTV IOMMU unmap
msm: Fix ciruclar dependency in debug UART settings
msm: gdsc: Add GDSC regulator driver for msm-copper
defconfig: Enable Mobicore Driver.
mobicore: Add mobicore driver.
mobicore: rename variable to lower case.
mobicore: rename folder.
mobicore: add makefiles
mobicore: initial import of kernel driver
ASoC: msm: Add SLIMBUS_2_RX CPU DAI
board-8064-gpio: Update FUNC for EPM SPI CS
msm_fb: display: Remove chicken bit config during video playback
mmc: msm_sdcc: enable the sanitize capability
msm-fb: display: lm2 writeback support on mpq platfroms
msm_fb: display: Disable LVDS phy & pll during panel off
...
Signed-off-by: Steve Muckle <smuckle@codeaurora.org>
diff --git a/drivers/iommu/msm_iommu_pagetable.h b/drivers/iommu/msm_iommu_pagetable.h
new file mode 100644
index 0000000..b943084
--- /dev/null
+++ b/drivers/iommu/msm_iommu_pagetable.h
@@ -0,0 +1,90 @@
+/* Copyright (c) 2012 Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H
+#define __ARCH_ARM_MACH_MSM_IOMMU_PAGETABLE_H
+
+#define NUM_FL_PTE 4096
+#define NUM_SL_PTE 256
+#define NUM_TEX_CLASS 8
+
+/* First-level page table bits */
+#define FL_BASE_MASK 0xFFFFFC00
+#define FL_TYPE_TABLE (1 << 0)
+#define FL_TYPE_SECT (2 << 0)
+#define FL_SUPERSECTION (1 << 18)
+#define FL_AP0 (1 << 10)
+#define FL_AP1 (1 << 11)
+#define FL_AP2 (1 << 15)
+#define FL_SHARED (1 << 16)
+#define FL_BUFFERABLE (1 << 2)
+#define FL_CACHEABLE (1 << 3)
+#define FL_TEX0 (1 << 12)
+#define FL_OFFSET(va) (((va) & 0xFFF00000) >> 20)
+#define FL_NG (1 << 17)
+
+/* Second-level page table bits */
+#define SL_BASE_MASK_LARGE 0xFFFF0000
+#define SL_BASE_MASK_SMALL 0xFFFFF000
+#define SL_TYPE_LARGE (1 << 0)
+#define SL_TYPE_SMALL (2 << 0)
+#define SL_AP0 (1 << 4)
+#define SL_AP1 (2 << 4)
+#define SL_AP2 (1 << 9)
+#define SL_SHARED (1 << 10)
+#define SL_BUFFERABLE (1 << 2)
+#define SL_CACHEABLE (1 << 3)
+#define SL_TEX0 (1 << 6)
+#define SL_OFFSET(va) (((va) & 0xFF000) >> 12)
+#define SL_NG (1 << 11)
+
+/* Memory type and cache policy attributes */
+#define MT_SO 0
+#define MT_DEV 1
+#define MT_NORMAL 2
+#define CP_NONCACHED 0
+#define CP_WB_WA 1
+#define CP_WT 2
+#define CP_WB_NWA 3
+
+/* TEX Remap Registers */
+#define NMRR_ICP(nmrr, n) (((nmrr) & (3 << ((n) * 2))) >> ((n) * 2))
+#define NMRR_OCP(nmrr, n) (((nmrr) & (3 << ((n) * 2 + 16))) >> ((n) * 2 + 16))
+
+#define PRRR_NOS(prrr, n) ((prrr) & (1 << ((n) + 24)) ? 1 : 0)
+#define PRRR_MT(prrr, n) ((((prrr) & (3 << ((n) * 2))) >> ((n) * 2)))
+
+#define MRC(reg, processor, op1, crn, crm, op2) \
+__asm__ __volatile__ ( \
+" mrc " #processor "," #op1 ", %0," #crn "," #crm "," #op2 "\n" \
+: "=r" (reg))
+
+#define RCP15_PRRR(reg) MRC(reg, p15, 0, c10, c2, 0)
+#define RCP15_NMRR(reg) MRC(reg, p15, 0, c10, c2, 1)
+
+struct iommu_pt {
+ unsigned long *fl_table;
+ int redirect;
+};
+
+void msm_iommu_pagetable_init(void);
+int msm_iommu_pagetable_alloc(struct iommu_pt *pt);
+void msm_iommu_pagetable_free(struct iommu_pt *pt);
+int msm_iommu_pagetable_map(struct iommu_pt *pt, unsigned long va,
+ phys_addr_t pa, size_t len, int prot);
+size_t msm_iommu_pagetable_unmap(struct iommu_pt *pt, unsigned long va,
+ size_t len);
+int msm_iommu_pagetable_map_range(struct iommu_pt *pt, unsigned int va,
+ struct scatterlist *sg, unsigned int len, int prot);
+void msm_iommu_pagetable_unmap_range(struct iommu_pt *pt, unsigned int va,
+ unsigned int len);
+#endif