msm: msm7627a: Support ION on 7627a/8625

Deprecate PMEM and start using ION for existing converted
drivers

Change-Id: I0ef4c66ce7c32eb886795d1c0829948c3e24c379
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-qrd7627a.c b/arch/arm/mach-msm/board-qrd7627a.c
index 9c80c8b..8eb961c 100644
--- a/arch/arm/mach-msm/board-qrd7627a.c
+++ b/arch/arm/mach-msm/board-qrd7627a.c
@@ -33,6 +33,7 @@
 #include <linux/msm_adc.h>
 #include <linux/fmem.h>
 #include <linux/regulator/msm-gpio-regulator.h>
+#include <linux/ion.h>
 #include <asm/mach/mmc.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -131,6 +132,14 @@
 #ifdef CONFIG_ARCH_MSM7X27A
 #define MSM_PMEM_MDP_SIZE       0x2300000
 #define MSM_PMEM_ADSP_SIZE      0x1200000
+
+#define MSM_ION_AUDIO_SIZE	(MSM_PMEM_AUDIO_SIZE + PMEM_KERNEL_EBI1_SIZE)
+#define MSM_ION_CAMERA_SIZE	MSM_PMEM_ADSP_SIZE
+#define MSM_ION_SF_SIZE		MSM_PMEM_MDP_SIZE
+#define MSM_ION_HEAP_NUM	4
+#ifdef CONFIG_ION_MSM
+static struct platform_device ion_dev;
+#endif
 #endif
 
 static struct android_usb_platform_data android_usb_pdata = {
@@ -708,6 +717,9 @@
 	&asoc_msm_dai1,
 	&msm_adc_device,
 	&fmem_device,
+#ifdef CONFIG_ION_MSM
+	&ion_dev,
+#endif
 };
 
 static struct platform_device *qrd7627a_devices[] __initdata = {
@@ -756,6 +768,68 @@
 }
 early_param("pmem_audio_size", pmem_audio_size_setup);
 
+#ifdef CONFIG_ION_MSM
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+static struct ion_co_heap_pdata co_ion_pdata = {
+	.adjacent_mem_id = INVALID_HEAP_ID,
+	.align = PAGE_SIZE,
+};
+#endif
+
+/**
+ * These heaps are listed in the order they will be allocated.
+ * Don't swap the order unless you know what you are doing!
+ */
+static struct ion_platform_data ion_pdata = {
+	.nr = MSM_ION_HEAP_NUM,
+	.heaps = {
+		{
+			.id	= ION_SYSTEM_HEAP_ID,
+			.type	= ION_HEAP_TYPE_SYSTEM,
+			.name	= ION_VMALLOC_HEAP_NAME,
+		},
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+		/* PMEM_ADSP = CAMERA */
+		{
+			.id	= ION_CAMERA_HEAP_ID,
+			.type	= ION_HEAP_TYPE_CARVEOUT,
+			.name	= ION_CAMERA_HEAP_NAME,
+			.size	= MSM_ION_CAMERA_SIZE,
+			.memory_type = ION_EBI_TYPE,
+			.has_outer_cache = 1,
+			.extra_data = (void *)&co_ion_pdata,
+		},
+		/* PMEM_AUDIO */
+		{
+			.id	= ION_AUDIO_HEAP_ID,
+			.type	= ION_HEAP_TYPE_CARVEOUT,
+			.name	= ION_AUDIO_HEAP_NAME,
+			.size	= MSM_ION_AUDIO_SIZE,
+			.memory_type = ION_EBI_TYPE,
+			.has_outer_cache = 1,
+			.extra_data = (void *)&co_ion_pdata,
+		},
+		/* PMEM_MDP = SF */
+		{
+			.id	= ION_SF_HEAP_ID,
+			.type	= ION_HEAP_TYPE_CARVEOUT,
+			.name	= ION_SF_HEAP_NAME,
+			.size	= MSM_ION_SF_SIZE,
+			.memory_type = ION_EBI_TYPE,
+			.has_outer_cache = 1,
+			.extra_data = (void *)&co_ion_pdata,
+		},
+#endif
+	}
+};
+
+static struct platform_device ion_dev = {
+	.name = "ion-msm",
+	.id = 1,
+	.dev = { .platform_data = &ion_pdata },
+};
+#endif
+
 static struct memtype_reserve msm7627a_reserve_table[] __initdata = {
 	[MEMTYPE_SMI] = {
 	},
@@ -768,16 +842,19 @@
 };
 
 #ifdef CONFIG_ANDROID_PMEM
+#ifndef CONFIG_MSM_MULTIMEDIA_USE_ION
 static struct android_pmem_platform_data *pmem_pdata_array[] __initdata = {
 		&android_pmem_adsp_pdata,
 		&android_pmem_audio_pdata,
 		&android_pmem_pdata,
 };
 #endif
+#endif
 
 static void __init size_pmem_devices(void)
 {
 #ifdef CONFIG_ANDROID_PMEM
+#ifndef CONFIG_MSM_MULTIMEDIA_USE_ION
 	unsigned int i;
 	unsigned int reusable_count = 0;
 
@@ -804,30 +881,46 @@
 			pdata->reusable = 0;
 		}
 	}
-
+#endif
 #endif
 }
 
+#ifdef CONFIG_ANDROID_PMEM
+#ifndef CONFIG_MSM_MULTIMEDIA_USE_ION
 static void __init reserve_memory_for(struct android_pmem_platform_data *p)
 {
 	msm7627a_reserve_table[p->memory_type].size += p->size;
 }
+#endif
+#endif
 
 static void __init reserve_pmem_memory(void)
 {
 #ifdef CONFIG_ANDROID_PMEM
+#ifndef CONFIG_MSM_MULTIMEDIA_USE_ION
 	unsigned int i;
 	for (i = 0; i < ARRAY_SIZE(pmem_pdata_array); ++i)
 		reserve_memory_for(pmem_pdata_array[i]);
 
 	msm7627a_reserve_table[MEMTYPE_EBI1].size += pmem_kernel_ebi1_size;
 #endif
+#endif
+}
+
+static void __init reserve_ion_memory(void)
+{
+#if defined(CONFIG_ION_MSM) && defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_CAMERA_SIZE;
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_AUDIO_SIZE;
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_SF_SIZE;
+#endif
 }
 
 static void __init msm7627a_calculate_reserve_sizes(void)
 {
 	size_pmem_devices();
 	reserve_pmem_memory();
+	reserve_ion_memory();
 }
 
 static int msm7627a_paddr_to_memtype(unsigned int paddr)