[POWERPC] ps3: add support for ps3 platform

Adds the core platform support for the PS3 game console and other devices
using the PS3 hypervisor.

Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>

1 files changed, 250 insertions, 0 deletions

diff --git a/include/asm-powerpc/ps3.h b/include/asm-powerpc/ps3.h
new file mode 100644
index 000000000000..d0109ffac50e
--- /dev/null
+++ b/include/asm-powerpc/ps3.h
@@ -0,0 +1,250 @@
+/*
+ *  PS3 platform declarations.
+ *
+ *  Copyright (C) 2006 Sony Computer Entertainment Inc.
+ *  Copyright 2006 Sony Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  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.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#if !defined(_ASM_POWERPC_PS3_H)
+#define _ASM_POWERPC_PS3_H
+
+#include <linux/compiler.h> /* for __deprecated */
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/device.h>
+
+/**
+ * struct ps3_device_id - HV bus device identifier from the system repository
+ * @bus_id: HV bus id, {1..} (zero invalid)
+ * @dev_id: HV device id, {0..}
+ */
+
+struct ps3_device_id {
+        unsigned int bus_id;
+        unsigned int dev_id;
+};
+
+
+/* dma routines */
+
+enum ps3_dma_page_size {
+        PS3_DMA_4K = 12U,
+        PS3_DMA_64K = 16U,
+        PS3_DMA_1M = 20U,
+        PS3_DMA_16M = 24U,
+};
+
+enum ps3_dma_region_type {
+        PS3_DMA_OTHER = 0,
+        PS3_DMA_INTERNAL = 2,
+};
+
+/**
+ * struct ps3_dma_region - A per device dma state variables structure
+ * @did: The HV device id.
+ * @page_size: The ioc pagesize.
+ * @region_type: The HV region type.
+ * @bus_addr: The 'translated' bus address of the region.
+ * @len: The length in bytes of the region.
+ * @chunk_list: Opaque variable used by the ioc page manager.
+ */
+
+struct ps3_dma_region {
+        struct ps3_device_id did;
+        enum ps3_dma_page_size page_size;
+        enum ps3_dma_region_type region_type;
+        unsigned long bus_addr;
+        unsigned long len;
+        struct {
+                spinlock_t lock;
+                struct list_head head;
+        } chunk_list;
+};
+
+/**
+ * struct ps3_dma_region_init - Helper to initialize structure variables
+ *
+ * Helper to properly initialize variables prior to calling
+ * ps3_system_bus_device_register.
+ */
+
+static inline void ps3_dma_region_init(struct ps3_dma_region *r,
+        const struct ps3_device_id* did, enum ps3_dma_page_size page_size,
+        enum ps3_dma_region_type region_type)
+{
+        r->did = *did;
+        r->page_size = page_size;
+        r->region_type = region_type;
+}
+int ps3_dma_region_create(struct ps3_dma_region *r);
+int ps3_dma_region_free(struct ps3_dma_region *r);
+int ps3_dma_map(struct ps3_dma_region *r, unsigned long virt_addr,
+        unsigned long len, unsigned long *bus_addr);
+int ps3_dma_unmap(struct ps3_dma_region *r, unsigned long bus_addr,
+        unsigned long len);
+
+/* mmio routines */
+
+enum ps3_mmio_page_size {
+        PS3_MMIO_4K = 12U,
+        PS3_MMIO_64K = 16U
+};
+
+/**
+ * struct ps3_mmio_region - a per device mmio state variables structure
+ *
+ * Current systems can be supported with a single region per device.
+ */
+
+struct ps3_mmio_region {
+        struct ps3_device_id did;
+        unsigned long bus_addr;
+        unsigned long len;
+        enum ps3_mmio_page_size page_size;
+        unsigned long lpar_addr;
+};
+
+/**
+ * struct ps3_mmio_region_init - Helper to initialize structure variables
+ *
+ * Helper to properly initialize variables prior to calling
+ * ps3_system_bus_device_register.
+ */
+
+static inline void ps3_mmio_region_init(struct ps3_mmio_region *r,
+        const struct ps3_device_id* did, unsigned long bus_addr,
+        unsigned long len, enum ps3_mmio_page_size page_size)
+{
+        r->did = *did;
+        r->bus_addr = bus_addr;
+        r->len = len;
+        r->page_size = page_size;
+}
+int ps3_mmio_region_create(struct ps3_mmio_region *r);
+int ps3_free_mmio_region(struct ps3_mmio_region *r);
+unsigned long ps3_mm_phys_to_lpar(unsigned long phys_addr);
+
+/* inrerrupt routines */
+
+int ps3_alloc_io_irq(unsigned int interrupt_id, unsigned int *virq);
+int ps3_free_io_irq(unsigned int virq);
+int ps3_alloc_event_irq(unsigned int *virq);
+int ps3_free_event_irq(unsigned int virq);
+int ps3_send_event_locally(unsigned int virq);
+int ps3_connect_event_irq(const struct ps3_device_id *did,
+        unsigned int interrupt_id, unsigned int *virq);
+int ps3_disconnect_event_irq(const struct ps3_device_id *did,
+        unsigned int interrupt_id, unsigned int virq);
+int ps3_alloc_vuart_irq(void* virt_addr_bmp, unsigned int *virq);
+int ps3_free_vuart_irq(unsigned int virq);
+int ps3_alloc_spe_irq(unsigned long spe_id, unsigned int class,
+        unsigned int *virq);
+int ps3_free_spe_irq(unsigned int virq);
+
+/* lv1 result codes */
+
+enum lv1_result {
+        LV1_SUCCESS                     = 0,
+        /* not used                       -1 */
+        LV1_RESOURCE_SHORTAGE           = -2,
+        LV1_NO_PRIVILEGE                = -3,
+        LV1_DENIED_BY_POLICY            = -4,
+        LV1_ACCESS_VIOLATION            = -5,
+        LV1_NO_ENTRY                    = -6,
+        LV1_DUPLICATE_ENTRY             = -7,
+        LV1_TYPE_MISMATCH               = -8,
+        LV1_BUSY                        = -9,
+        LV1_EMPTY                       = -10,
+        LV1_WRONG_STATE                 = -11,
+        /* not used                       -12 */
+        LV1_NO_MATCH                    = -13,
+        LV1_ALREADY_CONNECTED           = -14,
+        LV1_UNSUPPORTED_PARAMETER_VALUE = -15,
+        LV1_CONDITION_NOT_SATISFIED     = -16,
+        LV1_ILLEGAL_PARAMETER_VALUE     = -17,
+        LV1_BAD_OPTION                  = -18,
+        LV1_IMPLEMENTATION_LIMITATION   = -19,
+        LV1_NOT_IMPLEMENTED             = -20,
+        LV1_INVALID_CLASS_ID            = -21,
+        LV1_CONSTRAINT_NOT_SATISFIED    = -22,
+        LV1_ALIGNMENT_ERROR             = -23,
+        LV1_INTERNAL_ERROR              = -32768,
+};
+
+static inline const char* ps3_result(int result)
+{
+#if defined(DEBUG)
+        switch (result) {
+        case LV1_SUCCESS:
+                return "LV1_SUCCESS (0)";
+        case -1:
+                return "** unknown result ** (-1)";
+        case LV1_RESOURCE_SHORTAGE:
+                return "LV1_RESOURCE_SHORTAGE (-2)";
+        case LV1_NO_PRIVILEGE:
+                return "LV1_NO_PRIVILEGE (-3)";
+        case LV1_DENIED_BY_POLICY:
+                return "LV1_DENIED_BY_POLICY (-4)";
+        case LV1_ACCESS_VIOLATION:
+                return "LV1_ACCESS_VIOLATION (-5)";
+        case LV1_NO_ENTRY:
+                return "LV1_NO_ENTRY (-6)";
+        case LV1_DUPLICATE_ENTRY:
+                return "LV1_DUPLICATE_ENTRY (-7)";
+        case LV1_TYPE_MISMATCH:
+                return "LV1_TYPE_MISMATCH (-8)";
+        case LV1_BUSY:
+                return "LV1_BUSY (-9)";
+        case LV1_EMPTY:
+                return "LV1_EMPTY (-10)";
+        case LV1_WRONG_STATE:
+                return "LV1_WRONG_STATE (-11)";
+        case -12:
+                return "** unknown result ** (-12)";
+        case LV1_NO_MATCH:
+                return "LV1_NO_MATCH (-13)";
+        case LV1_ALREADY_CONNECTED:
+                return "LV1_ALREADY_CONNECTED (-14)";
+        case LV1_UNSUPPORTED_PARAMETER_VALUE:
+                return "LV1_UNSUPPORTED_PARAMETER_VALUE (-15)";
+        case LV1_CONDITION_NOT_SATISFIED:
+                return "LV1_CONDITION_NOT_SATISFIED (-16)";
+        case LV1_ILLEGAL_PARAMETER_VALUE:
+                return "LV1_ILLEGAL_PARAMETER_VALUE (-17)";
+        case LV1_BAD_OPTION:
+                return "LV1_BAD_OPTION (-18)";
+        case LV1_IMPLEMENTATION_LIMITATION:
+                return "LV1_IMPLEMENTATION_LIMITATION (-19)";
+        case LV1_NOT_IMPLEMENTED:
+                return "LV1_NOT_IMPLEMENTED (-20)";
+        case LV1_INVALID_CLASS_ID:
+                return "LV1_INVALID_CLASS_ID (-21)";
+        case LV1_CONSTRAINT_NOT_SATISFIED:
+                return "LV1_CONSTRAINT_NOT_SATISFIED (-22)";
+        case LV1_ALIGNMENT_ERROR:
+                return "LV1_ALIGNMENT_ERROR (-23)";
+        case LV1_INTERNAL_ERROR:
+                return "LV1_INTERNAL_ERROR (-32768)";
+        default:
+                BUG();
+                return "** unknown result **";
+        };
+#else
+        return "";
+#endif
+}
+
+#endif