Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
authorLinus Torvalds <torvalds@linux-foundation.org>
Tue, 16 Jun 2009 18:30:37 +0000 (11:30 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 16 Jun 2009 18:30:37 +0000 (11:30 -0700)
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (38 commits)
  ps3flash: Always read chunks of 256 KiB, and cache them
  ps3flash: Cache the last accessed FLASH chunk
  ps3: Replace direct file operations by callback
  ps3: Switch ps3_os_area_[gs]et_rtc_diff to EXPORT_SYMBOL_GPL()
  ps3: Correct debug message in dma_ioc0_map_pages()
  drivers/ps3: Add missing annotations
  ps3fb: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
  ps3flash: Use ps3_system_bus_[gs]et_drvdata() instead of direct access
  ps3: shorten ps3_system_bus_[gs]et_driver_data to ps3_system_bus_[gs]et_drvdata
  ps3: Use dev_[gs]et_drvdata() instead of direct access for system bus devices
  block/ps3: remove driver_data direct access of struct device
  ps3vram: Make ps3vram_priv.reports a void *
  ps3vram: Remove no longer used ps3vram_priv.ddr_base
  ps3vram: Replace mutex by spinlock + bio_list
  block: Add bio_list_peek()
  powerpc: Use generic atomic64_t implementation on 32-bit processors
  lib: Provide generic atomic64_t implementation
  powerpc: Add compiler memory barrier to mtmsr macro
  powerpc/iseries: Mark signal_vsp_instruction() as maybe unused
  powerpc/iseries: Fix unused function warning in iSeries DT code
  ...

37 files changed:
arch/powerpc/Kconfig
arch/powerpc/boot/install.sh
arch/powerpc/include/asm/atomic.h
arch/powerpc/include/asm/hw_irq.h
arch/powerpc/include/asm/iommu.h
arch/powerpc/include/asm/ps3.h
arch/powerpc/include/asm/ps3gpu.h [new file with mode: 0644]
arch/powerpc/include/asm/reg.h
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
arch/powerpc/kernel/Makefile
arch/powerpc/kernel/setup_64.c
arch/powerpc/kernel/time.c
arch/powerpc/platforms/cell/axon_msi.c
arch/powerpc/platforms/cell/iommu.c
arch/powerpc/platforms/iseries/dt.c
arch/powerpc/platforms/iseries/mf.c
arch/powerpc/platforms/ps3/mm.c
arch/powerpc/platforms/ps3/os-area.c
arch/powerpc/platforms/ps3/platform.h
arch/powerpc/platforms/ps3/setup.c
arch/powerpc/platforms/ps3/system-bus.c
drivers/block/ps3disk.c
drivers/block/ps3vram.c
drivers/char/ps3flash.c
drivers/net/ps3_gelic_net.c
drivers/ps3/ps3-sys-manager.c
drivers/ps3/ps3av.c
drivers/ps3/ps3av_cmd.c
drivers/usb/host/ehci-ps3.c
drivers/usb/host/ohci-ps3.c
drivers/video/ps3fb.c
include/asm-generic/atomic64.h [new file with mode: 0644]
include/linux/bio.h
lib/Kconfig
lib/Makefile
lib/atomic64.c [new file with mode: 0644]

index 93a61898b25936f5d0abeef302745f7ca25b91c3..9fb344d5a86a737e459c998d8e83a653ccf19501 100644 (file)
@@ -93,10 +93,6 @@ config GENERIC_HWEIGHT
        bool
        default y
 
-config GENERIC_CALIBRATE_DELAY
-       bool
-       default y
-
 config GENERIC_FIND_NEXT_BIT
        bool
        default y
@@ -129,6 +125,7 @@ config PPC
        select USE_GENERIC_SMP_HELPERS if SMP
        select HAVE_OPROFILE
        select HAVE_SYSCALL_WRAPPERS if PPC64
+       select GENERIC_ATOMIC64 if PPC32
 
 config EARLY_PRINTK
        bool
index 51b2387bdba0e82dfd8b75de48b56a18cd4fd2ef..98312d169c859926932356cd7018a57ffed23e9f 100644 (file)
@@ -18,6 +18,9 @@
 #   $5 and more - kernel boot files; zImage*, uImage, cuImage.*, etc.
 #
 
+# Bail with error code if anything goes wrong
+set -e
+
 # User may have a custom install script
 
 if [ -x ~/bin/${CROSS_COMPILE}installkernel ]; then exec ~/bin/${CROSS_COMPILE}installkernel "$@"; fi
index b7d2d07b6f965f5a613c92b12ebaf23fd938c141..4012483b1899d32a84097bbbdb543c80f025f0d0 100644 (file)
@@ -470,6 +470,9 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u)
 
 #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0)
 
+#else  /* __powerpc64__ */
+#include <asm-generic/atomic64.h>
+
 #endif /* __powerpc64__ */
 
 #include <asm-generic/atomic-long.h>
index 53512374e1c9daea22bd71d6d153b69d1b0e0d42..b7f8f4a87cc04cc882f1179414dd34c3e189c58f 100644 (file)
@@ -80,7 +80,7 @@ static inline void local_irq_disable(void)
        __asm__ __volatile__("wrteei 0": : :"memory");
 #else
        unsigned long msr;
-       __asm__ __volatile__("": : :"memory");
+
        msr = mfmsr();
        SET_MSR_EE(msr & ~MSR_EE);
 #endif
@@ -92,7 +92,7 @@ static inline void local_irq_enable(void)
        __asm__ __volatile__("wrteei 1": : :"memory");
 #else
        unsigned long msr;
-       __asm__ __volatile__("": : :"memory");
+
        msr = mfmsr();
        SET_MSR_EE(msr | MSR_EE);
 #endif
@@ -108,7 +108,6 @@ static inline void local_irq_save_ptr(unsigned long *flags)
 #else
        SET_MSR_EE(msr & ~MSR_EE);
 #endif
-       __asm__ __volatile__("": : :"memory");
 }
 
 #define local_save_flags(flags)        ((flags) = mfmsr())
index 7464c0daddd1d02f5f8f66d1df9a26f92bbc7783..7ead7c16fb7cdb563ee41f0146b16471bf700d7a 100644 (file)
 #define IOMMU_PAGE_MASK       (~((1 << IOMMU_PAGE_SHIFT) - 1))
 #define IOMMU_PAGE_ALIGN(addr) _ALIGN_UP(addr, IOMMU_PAGE_SIZE)
 
+/* Cell page table entries */
+#define CBE_IOPTE_PP_W         0x8000000000000000ul /* protection: write */
+#define CBE_IOPTE_PP_R         0x4000000000000000ul /* protection: read */
+#define CBE_IOPTE_M            0x2000000000000000ul /* coherency required */
+#define CBE_IOPTE_SO_R         0x1000000000000000ul /* ordering: writes */
+#define CBE_IOPTE_SO_RW                0x1800000000000000ul /* ordering: r & w */
+#define CBE_IOPTE_RPN_Mask     0x07fffffffffff000ul /* RPN */
+#define CBE_IOPTE_H            0x0000000000000800ul /* cache hint */
+#define CBE_IOPTE_IOID_Mask    0x00000000000007fful /* ioid */
+
 /* Boot time flags */
 extern int iommu_is_off;
 extern int iommu_force_on;
index cdb6fd814de8880541d2c4130b33ea7e7b9f6234..7f065e178ec463cc7ab648883cfa57c2a0f33928 100644 (file)
@@ -53,6 +53,13 @@ enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
 extern u64 ps3_os_area_get_rtc_diff(void);
 extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
 
+struct ps3_os_area_flash_ops {
+       ssize_t (*read)(void *buf, size_t count, loff_t pos);
+       ssize_t (*write)(const void *buf, size_t count, loff_t pos);
+};
+
+extern void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops);
+
 /* dma routines */
 
 enum ps3_dma_page_size {
@@ -418,15 +425,15 @@ static inline struct ps3_system_bus_driver *
  * @data: Data to set
  */
 
-static inline void ps3_system_bus_set_driver_data(
+static inline void ps3_system_bus_set_drvdata(
        struct ps3_system_bus_device *dev, void *data)
 {
-       dev->core.driver_data = data;
+       dev_set_drvdata(&dev->core, data);
 }
-static inline void *ps3_system_bus_get_driver_data(
+static inline void *ps3_system_bus_get_drvdata(
        struct ps3_system_bus_device *dev)
 {
-       return dev->core.driver_data;
+       return dev_get_drvdata(&dev->core);
 }
 
 /* These two need global scope for get_dma_ops(). */
@@ -520,7 +527,4 @@ void ps3_sync_irq(int node);
 u32 ps3_get_hw_thread_id(int cpu);
 u64 ps3_get_spe_id(void *arg);
 
-/* mutex synchronizing GPU accesses and video mode changes */
-extern struct mutex ps3_gpu_mutex;
-
 #endif
diff --git a/arch/powerpc/include/asm/ps3gpu.h b/arch/powerpc/include/asm/ps3gpu.h
new file mode 100644 (file)
index 0000000..b2b8959
--- /dev/null
@@ -0,0 +1,86 @@
+/*
+ *  PS3 GPU declarations.
+ *
+ *  Copyright 2009 Sony Corporation
+ *
+ *  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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef _ASM_POWERPC_PS3GPU_H
+#define _ASM_POWERPC_PS3GPU_H
+
+#include <linux/mutex.h>
+
+#include <asm/lv1call.h>
+
+
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC   0x101
+#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP   0x102
+
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP       0x600
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT                0x601
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC   0x602
+#define L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE       0x603
+
+#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION      (1ULL << 32)
+
+#define L1GPU_DISPLAY_SYNC_HSYNC               1
+#define L1GPU_DISPLAY_SYNC_VSYNC               2
+
+
+/* mutex synchronizing GPU accesses and video mode changes */
+extern struct mutex ps3_gpu_mutex;
+
+
+static inline int lv1_gpu_display_sync(u64 context_handle, u64 head,
+                                      u64 ddr_offset)
+{
+       return lv1_gpu_context_attribute(context_handle,
+                                        L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
+                                        head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_display_flip(u64 context_handle, u64 head,
+                                      u64 ddr_offset)
+{
+       return lv1_gpu_context_attribute(context_handle,
+                                        L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
+                                        head, ddr_offset, 0, 0);
+}
+
+static inline int lv1_gpu_fb_setup(u64 context_handle, u64 xdr_lpar,
+                                  u64 xdr_size, u64 ioif_offset)
+{
+       return lv1_gpu_context_attribute(context_handle,
+                                        L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
+                                        xdr_lpar, xdr_size, ioif_offset, 0);
+}
+
+static inline int lv1_gpu_fb_blit(u64 context_handle, u64 ddr_offset,
+                                 u64 ioif_offset, u64 sync_width, u64 pitch)
+{
+       return lv1_gpu_context_attribute(context_handle,
+                                        L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
+                                        ddr_offset, ioif_offset, sync_width,
+                                        pitch);
+}
+
+static inline int lv1_gpu_fb_close(u64 context_handle)
+{
+       return lv1_gpu_context_attribute(context_handle,
+                                        L1GPU_CONTEXT_ATTRIBUTE_FB_CLOSE, 0,
+                                        0, 0, 0);
+}
+
+#endif /* _ASM_POWERPC_PS3GPU_H */
index fb359b0a6937de645c8101709ac4ade7fd9df446..a3c28e46947c7e30f3690c8cb00ee985090b1082 100644 (file)
                        asm volatile("mfmsr %0" : "=r" (rval)); rval;})
 #ifdef CONFIG_PPC64
 #define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
-                                    : : "r" (v))
+                                    : : "r" (v) : "memory")
 #define mtmsrd(v)      __mtmsrd((v), 0)
 #define mtmsr(v)       mtmsrd(v)
 #else
-#define mtmsr(v)       asm volatile("mtmsr %0" : : "r" (v))
+#define mtmsr(v)       asm volatile("mtmsr %0" : : "r" (v) : "memory")
 #endif
 
 #define mfspr(rn)      ({unsigned long rval; \
index a0b92de51c7edfa594941f134de592c77eb49b3e..370600ca2765332ec542ff0c269aa3d5b614c9f0 100644 (file)
@@ -325,3 +325,4 @@ SYSCALL(inotify_init1)
 SYSCALL_SPU(perf_counter_open)
 COMPAT_SYS_SPU(preadv)
 COMPAT_SYS_SPU(pwritev)
+COMPAT_SYS(rt_tgsigqueueinfo)
index 4badac2d11d1a7f3c8989ffb5be20dd4cd131a57..cef080bfc607be937cd816bd9f3ac5cca443aaac 100644 (file)
 #define __NR_perf_counter_open 319
 #define __NR_preadv            320
 #define __NR_pwritev           321
+#define __NR_rt_tgsigqueueinfo 322
 
 #ifdef __KERNEL__
 
-#define __NR_syscalls          322
+#define __NR_syscalls          323
 
 #define __NR__exit __NR_exit
 #define NR_syscalls    __NR_syscalls
index a7def5f90cadbe2392b7ecfd6aa65f80570b1014..612b0c4dc26d90d818d299805a34c7b453eb09c3 100644 (file)
@@ -125,6 +125,7 @@ PHONY += systbl_chk
 systbl_chk: $(src)/systbl_chk.sh $(obj)/systbl_chk.i
        $(call cmd,systbl_chk)
 
+ifeq ($(CONFIG_PPC_OF_BOOT_TRAMPOLINE),y)
 $(obj)/built-in.o:             prom_init_check
 
 quiet_cmd_prom_init_check = CALL    $<
@@ -133,5 +134,6 @@ quiet_cmd_prom_init_check = CALL    $<
 PHONY += prom_init_check
 prom_init_check: $(src)/prom_init_check.sh $(obj)/prom_init.o
        $(call cmd,prom_init_check)
+endif
 
 clean-files := vmlinux.lds
index f46548e6604550ac45309c07932efcb5db08a818..1f6816003ebef9bebcbb3319e83bac2243437d47 100644 (file)
@@ -424,8 +424,8 @@ void __init setup_system(void)
        printk("htab_hash_mask                = 0x%lx\n", htab_hash_mask);
 #endif /* CONFIG_PPC_STD_MMU_64 */
        if (PHYSICAL_START > 0)
-               printk("physical_start                = 0x%lx\n",
-                      PHYSICAL_START);
+               printk("physical_start                = 0x%llx\n",
+                      (unsigned long long)PHYSICAL_START);
        printk("-----------------------------------------------------\n");
 
        DBG(" <- setup_system()\n");
index bee1443da7634d3cf9a062d9223a11d4a63540de..15391c2ab013bc0691228b97076d126fa5dc1aa1 100644 (file)
@@ -52,6 +52,7 @@
 #include <linux/jiffies.h>
 #include <linux/posix-timers.h>
 #include <linux/irq.h>
+#include <linux/delay.h>
 
 #include <asm/io.h>
 #include <asm/processor.h>
@@ -1143,6 +1144,15 @@ void div128_by_32(u64 dividend_high, u64 dividend_low,
 
 }
 
+/* We don't need to calibrate delay, we use the CPU timebase for that */
+void calibrate_delay(void)
+{
+       /* Some generic code (such as spinlock debug) use loops_per_jiffy
+        * as the number of __delay(1) in a jiffy, so make it so
+        */
+       loops_per_jiffy = tb_ticks_per_jiffy;
+}
+
 static int __init rtc_init(void)
 {
        struct platform_device *pdev;
index 0ce45c2b42f8eb67a1ea5156fcf476bdb3f3924a..c71498dbf211780675293c205d258cd17350f987 100644 (file)
@@ -329,7 +329,7 @@ static struct irq_host_ops msic_host_ops = {
 
 static int axon_msi_shutdown(struct of_device *device)
 {
-       struct axon_msic *msic = device->dev.platform_data;
+       struct axon_msic *msic = dev_get_drvdata(&device->dev);
        u32 tmp;
 
        pr_debug("axon_msi: disabling %s\n",
@@ -416,7 +416,7 @@ static int axon_msi_probe(struct of_device *device,
        msic->read_offset = dcr_read(msic->dcr_host, MSIC_WRITE_OFFSET_REG)
                                & MSIC_FIFO_SIZE_MASK;
 
-       device->dev.platform_data = msic;
+       dev_set_drvdata(&device->dev, msic);
 
        ppc_md.setup_msi_irqs = axon_msi_setup_msi_irqs;
        ppc_md.teardown_msi_irqs = axon_msi_teardown_msi_irqs;
index bed4690de3944162eca2918e8df1164e1fd5b678..5b34fc211f35bb9b4f4ac5d3fdded3293f6c044c 100644 (file)
 #define IOSTE_PS_1M            0x0000000000000005ul /*   - 1MB  */
 #define IOSTE_PS_16M           0x0000000000000007ul /*   - 16MB */
 
-/* Page table entries */
-#define IOPTE_PP_W             0x8000000000000000ul /* protection: write */
-#define IOPTE_PP_R             0x4000000000000000ul /* protection: read */
-#define IOPTE_M                        0x2000000000000000ul /* coherency required */
-#define IOPTE_SO_R             0x1000000000000000ul /* ordering: writes */
-#define IOPTE_SO_RW             0x1800000000000000ul /* ordering: r & w */
-#define IOPTE_RPN_Mask         0x07fffffffffff000ul /* RPN */
-#define IOPTE_H                        0x0000000000000800ul /* cache hint */
-#define IOPTE_IOID_Mask                0x00000000000007fful /* ioid */
-
 
 /* IOMMU sizing */
 #define IO_SEGMENT_SHIFT       28
@@ -193,19 +183,21 @@ static int tce_build_cell(struct iommu_table *tbl, long index, long npages,
         */
        const unsigned long prot = 0xc48;
        base_pte =
-               ((prot << (52 + 4 * direction)) & (IOPTE_PP_W | IOPTE_PP_R))
-               | IOPTE_M | IOPTE_SO_RW | (window->ioid & IOPTE_IOID_Mask);
+               ((prot << (52 + 4 * direction)) &
+                (CBE_IOPTE_PP_W | CBE_IOPTE_PP_R)) |
+               CBE_IOPTE_M | CBE_IOPTE_SO_RW |
+               (window->ioid & CBE_IOPTE_IOID_Mask);
 #else
-       base_pte = IOPTE_PP_W | IOPTE_PP_R | IOPTE_M | IOPTE_SO_RW |
-               (window->ioid & IOPTE_IOID_Mask);
+       base_pte = CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_M |
+               CBE_IOPTE_SO_RW | (window->ioid & CBE_IOPTE_IOID_Mask);
 #endif
        if (unlikely(dma_get_attr(DMA_ATTR_WEAK_ORDERING, attrs)))
-               base_pte &= ~IOPTE_SO_RW;
+               base_pte &= ~CBE_IOPTE_SO_RW;
 
        io_pte = (unsigned long *)tbl->it_base + (index - tbl->it_offset);
 
        for (i = 0; i < npages; i++, uaddr += IOMMU_PAGE_SIZE)
-               io_pte[i] = base_pte | (__pa(uaddr) & IOPTE_RPN_Mask);
+               io_pte[i] = base_pte | (__pa(uaddr) & CBE_IOPTE_RPN_Mask);
 
        mb();
 
@@ -231,8 +223,9 @@ static void tce_free_cell(struct iommu_table *tbl, long index, long npages)
 #else
        /* spider bridge does PCI reads after freeing - insert a mapping
         * to a scratch page instead of an invalid entry */
-       pte = IOPTE_PP_R | IOPTE_M | IOPTE_SO_RW | __pa(window->iommu->pad_page)
-               | (window->ioid & IOPTE_IOID_Mask);
+       pte = CBE_IOPTE_PP_R | CBE_IOPTE_M | CBE_IOPTE_SO_RW |
+               __pa(window->iommu->pad_page) |
+               (window->ioid & CBE_IOPTE_IOID_Mask);
 #endif
 
        io_pte = (unsigned long *)tbl->it_base + (index - tbl->it_offset);
@@ -1001,7 +994,7 @@ static void insert_16M_pte(unsigned long addr, unsigned long *ptab,
        pr_debug("iommu: addr %lx ptab %p segment %lx offset %lx\n",
                  addr, ptab, segment, offset);
 
-       ptab[offset] = base_pte | (__pa(addr) & IOPTE_RPN_Mask);
+       ptab[offset] = base_pte | (__pa(addr) & CBE_IOPTE_RPN_Mask);
 }
 
 static void cell_iommu_setup_fixed_ptab(struct cbe_iommu *iommu,
@@ -1016,14 +1009,14 @@ static void cell_iommu_setup_fixed_ptab(struct cbe_iommu *iommu,
 
        pr_debug("iommu: mapping 0x%lx pages from 0x%lx\n", fsize, fbase);
 
-       base_pte = IOPTE_PP_W | IOPTE_PP_R | IOPTE_M
-                   | (cell_iommu_get_ioid(np) & IOPTE_IOID_Mask);
+       base_pte = CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_M |
+               (cell_iommu_get_ioid(np) & CBE_IOPTE_IOID_Mask);
 
        if (iommu_fixed_is_weak)
                pr_info("IOMMU: Using weak ordering for fixed mapping\n");
        else {
                pr_info("IOMMU: Using strong ordering for fixed mapping\n");
-               base_pte |= IOPTE_SO_RW;
+               base_pte |= CBE_IOPTE_SO_RW;
        }
 
        for (uaddr = 0; uaddr < fsize; uaddr += (1 << 24)) {
index 4543c4bc3a56e158cb47a3387d97c715dabc515e..c5a87a72057b42b700fe1a514795185e12b31f80 100644 (file)
@@ -204,7 +204,8 @@ static void __init dt_prop_u32(struct iseries_flat_dt *dt, const char *name,
        dt_prop(dt, name, &data, sizeof(u32));
 }
 
-static void __init dt_prop_u64(struct iseries_flat_dt *dt, const char *name,
+static void __init __maybe_unused dt_prop_u64(struct iseries_flat_dt *dt,
+                                             const char *name,
                u64 data)
 {
        dt_prop(dt, name, &data, sizeof(u64));
index 3689c2413d24d758faf9bd9bda5c41400d1b6b71..fef4d5150517474460aa5c97bea5efb5c32254f9 100644 (file)
@@ -267,7 +267,8 @@ static struct pending_event *new_pending_event(void)
        return ev;
 }
 
-static int signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
+static int __maybe_unused
+signal_vsp_instruction(struct vsp_cmd_data *vsp_cmd)
 {
        struct pending_event *ev = new_pending_event();
        int rc;
index 9a2b6d948610c003485e38ded9e561f6514760fa..846eb8b57fd1dbb80fca175bb2813e97f0e7ef49 100644 (file)
@@ -24,6 +24,7 @@
 #include <linux/lmb.h>
 
 #include <asm/firmware.h>
+#include <asm/iommu.h>
 #include <asm/prom.h>
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
@@ -605,9 +606,8 @@ static int dma_ioc0_map_pages(struct ps3_dma_region *r, unsigned long phys_addr,
                                       r->ioid,
                                       iopte_flag);
                if (result) {
-                       printk(KERN_WARNING "%s:%d: lv1_map_device_dma_region "
-                               "failed: %s\n", __func__, __LINE__,
-                               ps3_result(result));
+                       pr_warning("%s:%d: lv1_put_iopte failed: %s\n",
+                                  __func__, __LINE__, ps3_result(result));
                        goto fail_map;
                }
                DBG("%s: pg=%d bus=%#lx, lpar=%#lx, ioid=%#x\n", __func__,
@@ -1001,7 +1001,8 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
                if (len > r->len)
                        len = r->len;
                result = dma_sb_map_area(r, virt_addr, len, &tmp,
-                       IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+                       CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_SO_RW |
+                       CBE_IOPTE_M);
                BUG_ON(result);
        }
 
@@ -1014,7 +1015,8 @@ static int dma_sb_region_create_linear(struct ps3_dma_region *r)
                else
                        len -= map.rm.size - r->offset;
                result = dma_sb_map_area(r, virt_addr, len, &tmp,
-                       IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+                       CBE_IOPTE_PP_W | CBE_IOPTE_PP_R | CBE_IOPTE_SO_RW |
+                       CBE_IOPTE_M);
                BUG_ON(result);
        }
 
index cf1cd0f8c18f9dca3b9917cc509dbc2179119b67..d6487a9c801900d3aa9ee9db65a245f44f26f702 100644 (file)
@@ -226,6 +226,44 @@ static struct property property_av_multi_out = {
        .value = &saved_params.av_multi_out,
 };
 
+
+static DEFINE_MUTEX(os_area_flash_mutex);
+
+static const struct ps3_os_area_flash_ops *os_area_flash_ops;
+
+void ps3_os_area_flash_register(const struct ps3_os_area_flash_ops *ops)
+{
+       mutex_lock(&os_area_flash_mutex);
+       os_area_flash_ops = ops;
+       mutex_unlock(&os_area_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ps3_os_area_flash_register);
+
+static ssize_t os_area_flash_read(void *buf, size_t count, loff_t pos)
+{
+       ssize_t res = -ENODEV;
+
+       mutex_lock(&os_area_flash_mutex);
+       if (os_area_flash_ops)
+               res = os_area_flash_ops->read(buf, count, pos);
+       mutex_unlock(&os_area_flash_mutex);
+
+       return res;
+}
+
+static ssize_t os_area_flash_write(const void *buf, size_t count, loff_t pos)
+{
+       ssize_t res = -ENODEV;
+
+       mutex_lock(&os_area_flash_mutex);
+       if (os_area_flash_ops)
+               res = os_area_flash_ops->write(buf, count, pos);
+       mutex_unlock(&os_area_flash_mutex);
+
+       return res;
+}
+
+
 /**
  * os_area_set_property - Add or overwrite a saved_params value to the device tree.
  *
@@ -352,12 +390,12 @@ static int db_verify(const struct os_area_db *db)
        if (memcmp(db->magic_num, OS_AREA_DB_MAGIC_NUM,
                sizeof(db->magic_num))) {
                pr_debug("%s:%d magic_num failed\n", __func__, __LINE__);
-               return -1;
+               return -EINVAL;
        }
 
        if (db->version != 1) {
                pr_debug("%s:%d version failed\n", __func__, __LINE__);
-               return -1;
+               return -EINVAL;
        }
 
        return 0;
@@ -578,59 +616,48 @@ static void os_area_db_init(struct os_area_db *db)
  *
  */
 
-static void __maybe_unused update_flash_db(void)
+static int update_flash_db(void)
 {
-       int result;
-       int file;
-       off_t offset;
+       const unsigned int buf_len = 8 * OS_AREA_SEGMENT_SIZE;
+       struct os_area_header *header;
        ssize_t count;
-       static const unsigned int buf_len = 8 * OS_AREA_SEGMENT_SIZE;
-       const struct os_area_header *header;
+       int error;
+       loff_t pos;
        struct os_area_db* db;
 
        /* Read in header and db from flash. */
 
-       file = sys_open("/dev/ps3flash", O_RDWR, 0);
-
-       if (file < 0) {
-               pr_debug("%s:%d sys_open failed\n", __func__, __LINE__);
-               goto fail_open;
-       }
-
        header = kmalloc(buf_len, GFP_KERNEL);
-
        if (!header) {
-               pr_debug("%s:%d kmalloc failed\n", __func__, __LINE__);
-               goto fail_malloc;
+               pr_debug("%s: kmalloc failed\n", __func__);
+               return -ENOMEM;
        }
 
-       offset = sys_lseek(file, 0, SEEK_SET);
-
-       if (offset != 0) {
-               pr_debug("%s:%d sys_lseek failed\n", __func__, __LINE__);
-               goto fail_header_seek;
+       count = os_area_flash_read(header, buf_len, 0);
+       if (count < 0) {
+               pr_debug("%s: os_area_flash_read failed %zd\n", __func__,
+                        count);
+               error = count;
+               goto fail;
        }
 
-       count = sys_read(file, (char __user *)header, buf_len);
-
-       result = count < OS_AREA_SEGMENT_SIZE || verify_header(header)
-               || count < header->db_area_offset * OS_AREA_SEGMENT_SIZE;
-
-       if (result) {
-               pr_debug("%s:%d verify_header failed\n", __func__, __LINE__);
+       pos = header->db_area_offset * OS_AREA_SEGMENT_SIZE;
+       if (count < OS_AREA_SEGMENT_SIZE || verify_header(header) ||
+           count < pos) {
+               pr_debug("%s: verify_header failed\n", __func__);
                dump_header(header);
-               goto fail_header;
+               error = -EINVAL;
+               goto fail;
        }
 
        /* Now got a good db offset and some maybe good db data. */
 
-       db = (void*)header + header->db_area_offset * OS_AREA_SEGMENT_SIZE;
+       db = (void *)header + pos;
 
-       result = db_verify(db);
-
-       if (result) {
-               printk(KERN_NOTICE "%s:%d: Verify of flash database failed, "
-                       "formatting.\n", __func__, __LINE__);
+       error = db_verify(db);
+       if (error) {
+               pr_notice("%s: Verify of flash database failed, formatting.\n",
+                         __func__);
                dump_db(db);
                os_area_db_init(db);
        }
@@ -639,29 +666,16 @@ static void __maybe_unused update_flash_db(void)
 
        db_set_64(db, &os_area_db_id_rtc_diff, saved_params.rtc_diff);
 
-       offset = sys_lseek(file, header->db_area_offset * OS_AREA_SEGMENT_SIZE,
-               SEEK_SET);
-
-       if (offset != header->db_area_offset * OS_AREA_SEGMENT_SIZE) {
-               pr_debug("%s:%d sys_lseek failed\n", __func__, __LINE__);
-               goto fail_db_seek;
-       }
-
-       count = sys_write(file, (const char __user *)db,
-               sizeof(struct os_area_db));
-
+       count = os_area_flash_write(db, sizeof(struct os_area_db), pos);
        if (count < sizeof(struct os_area_db)) {
-               pr_debug("%s:%d sys_write failed\n", __func__, __LINE__);
+               pr_debug("%s: os_area_flash_write failed %zd\n", __func__,
+                        count);
+               error = count < 0 ? count : -EIO;
        }
 
-fail_db_seek:
-fail_header:
-fail_header_seek:
+fail:
        kfree(header);
-fail_malloc:
-       sys_close(file);
-fail_open:
-       return;
+       return error;
 }
 
 /**
@@ -674,11 +688,11 @@ fail_open:
 static void os_area_queue_work_handler(struct work_struct *work)
 {
        struct device_node *node;
+       int error;
 
        pr_debug(" -> %s:%d\n", __func__, __LINE__);
 
        node = of_find_node_by_path("/");
-
        if (node) {
                os_area_set_property(node, &property_rtc_diff);
                of_node_put(node);
@@ -686,12 +700,10 @@ static void os_area_queue_work_handler(struct work_struct *work)
                pr_debug("%s:%d of_find_node_by_path failed\n",
                        __func__, __LINE__);
 
-#if defined(CONFIG_PS3_FLASH) || defined(CONFIG_PS3_FLASH_MODULE)
-       update_flash_db();
-#else
-       printk(KERN_WARNING "%s:%d: No flash rom driver configured.\n",
-               __func__, __LINE__);
-#endif
+       error = update_flash_db();
+       if (error)
+               pr_warning("%s: Could not update FLASH ROM\n", __func__);
+
        pr_debug(" <- %s:%d\n", __func__, __LINE__);
 }
 
@@ -808,7 +820,7 @@ u64 ps3_os_area_get_rtc_diff(void)
 {
        return saved_params.rtc_diff;
 }
-EXPORT_SYMBOL(ps3_os_area_get_rtc_diff);
+EXPORT_SYMBOL_GPL(ps3_os_area_get_rtc_diff);
 
 /**
  * ps3_os_area_set_rtc_diff - Set the rtc diff value.
@@ -824,7 +836,7 @@ void ps3_os_area_set_rtc_diff(u64 rtc_diff)
                os_area_queue_work();
        }
 }
-EXPORT_SYMBOL(ps3_os_area_set_rtc_diff);
+EXPORT_SYMBOL_GPL(ps3_os_area_set_rtc_diff);
 
 /**
  * ps3_os_area_get_av_multi_out - Returns the default video mode.
index 136aa0637d9c0bbc67e10f13b98d96f5540aa288..9a196a88eda794d6d07f50abefaebc7a21902427 100644 (file)
@@ -232,14 +232,4 @@ int ps3_repository_read_spu_resource_id(unsigned int res_index,
 int ps3_repository_read_vuart_av_port(unsigned int *port);
 int ps3_repository_read_vuart_sysmgr_port(unsigned int *port);
 
-/* Page table entries */
-#define IOPTE_PP_W             0x8000000000000000ul /* protection: write */
-#define IOPTE_PP_R             0x4000000000000000ul /* protection: read */
-#define IOPTE_M                        0x2000000000000000ul /* coherency required */
-#define IOPTE_SO_R             0x1000000000000000ul /* ordering: writes */
-#define IOPTE_SO_RW             0x1800000000000000ul /* ordering: r & w */
-#define IOPTE_RPN_Mask         0x07fffffffffff000ul /* RPN */
-#define IOPTE_H                        0x0000000000000800ul /* cache hint */
-#define IOPTE_IOID_Mask                0x00000000000007fful /* ioid */
-
 #endif
index 1a7b5ae0c83e3eb92bccde0b6201ad78a6cb7a27..149bea2ce58370b606fc51132760123d1bebadba 100644 (file)
@@ -32,6 +32,7 @@
 #include <asm/udbg.h>
 #include <asm/prom.h>
 #include <asm/lv1call.h>
+#include <asm/ps3gpu.h>
 
 #include "platform.h"
 
index 9a73d0238639307cd2f1f16d5352def20aa27e86..9fead0faf38bbd5930fe0dd0f75fcc1f2711c296 100644 (file)
@@ -27,6 +27,7 @@
 #include <asm/udbg.h>
 #include <asm/lv1call.h>
 #include <asm/firmware.h>
+#include <asm/iommu.h>
 
 #include "platform.h"
 
@@ -531,7 +532,8 @@ static void * ps3_alloc_coherent(struct device *_dev, size_t size,
        }
 
        result = ps3_dma_map(dev->d_region, virt_addr, size, dma_handle,
-                            IOPTE_PP_W | IOPTE_PP_R | IOPTE_SO_RW | IOPTE_M);
+                            CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
+                            CBE_IOPTE_SO_RW | CBE_IOPTE_M);
 
        if (result) {
                pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -575,7 +577,8 @@ static dma_addr_t ps3_sb_map_page(struct device *_dev, struct page *page,
 
        result = ps3_dma_map(dev->d_region, (unsigned long)ptr, size,
                             &bus_addr,
-                            IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW | IOPTE_M);
+                            CBE_IOPTE_PP_R | CBE_IOPTE_PP_W |
+                            CBE_IOPTE_SO_RW | CBE_IOPTE_M);
 
        if (result) {
                pr_debug("%s:%d: ps3_dma_map failed (%d)\n",
@@ -596,16 +599,16 @@ static dma_addr_t ps3_ioc0_map_page(struct device *_dev, struct page *page,
        u64 iopte_flag;
        void *ptr = page_address(page) + offset;
 
-       iopte_flag = IOPTE_M;
+       iopte_flag = CBE_IOPTE_M;
        switch (direction) {
        case DMA_BIDIRECTIONAL:
-               iopte_flag |= IOPTE_PP_R | IOPTE_PP_W | IOPTE_SO_RW;
+               iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
                break;
        case DMA_TO_DEVICE:
-               iopte_flag |= IOPTE_PP_R | IOPTE_SO_R;
+               iopte_flag |= CBE_IOPTE_PP_R | CBE_IOPTE_SO_R;
                break;
        case DMA_FROM_DEVICE:
-               iopte_flag |= IOPTE_PP_W | IOPTE_SO_RW;
+               iopte_flag |= CBE_IOPTE_PP_W | CBE_IOPTE_SO_RW;
                break;
        default:
                /* not happned */
index aaeeb544228a322efc790482f206f48afdf829a8..34cbb7f3efa89e5504920d547b081c86fe9ca4e9 100644 (file)
@@ -120,7 +120,7 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev,
 static int ps3disk_submit_request_sg(struct ps3_storage_device *dev,
                                     struct request *req)
 {
-       struct ps3disk_private *priv = dev->sbd.core.driver_data;
+       struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
        int write = rq_data_dir(req), res;
        const char *op = write ? "write" : "read";
        u64 start_sector, sectors;
@@ -168,7 +168,7 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev,
 static int ps3disk_submit_flush_request(struct ps3_storage_device *dev,
                                        struct request *req)
 {
-       struct ps3disk_private *priv = dev->sbd.core.driver_data;
+       struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
        u64 res;
 
        dev_dbg(&dev->sbd.core, "%s:%u: flush request\n", __func__, __LINE__);
@@ -213,7 +213,7 @@ static void ps3disk_do_request(struct ps3_storage_device *dev,
 static void ps3disk_request(struct request_queue *q)
 {
        struct ps3_storage_device *dev = q->queuedata;
-       struct ps3disk_private *priv = dev->sbd.core.driver_data;
+       struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
 
        if (priv->req) {
                dev_dbg(&dev->sbd.core, "%s:%u busy\n", __func__, __LINE__);
@@ -245,7 +245,7 @@ static irqreturn_t ps3disk_interrupt(int irq, void *data)
                return IRQ_HANDLED;
        }
 
-       priv = dev->sbd.core.driver_data;
+       priv = ps3_system_bus_get_drvdata(&dev->sbd);
        req = priv->req;
        if (!req) {
                dev_dbg(&dev->sbd.core,
@@ -364,7 +364,7 @@ static void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs,
 
 static int ps3disk_identify(struct ps3_storage_device *dev)
 {
-       struct ps3disk_private *priv = dev->sbd.core.driver_data;
+       struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
        struct lv1_ata_cmnd_block ata_cmnd;
        u16 *id = dev->bounce_buf;
        u64 res;
@@ -445,7 +445,7 @@ static int __devinit ps3disk_probe(struct ps3_system_bus_device *_dev)
                goto fail;
        }
 
-       dev->sbd.core.driver_data = priv;
+       ps3_system_bus_set_drvdata(_dev, priv);
        spin_lock_init(&priv->lock);
 
        dev->bounce_size = BOUNCE_SIZE;
@@ -523,7 +523,7 @@ fail_free_bounce:
        kfree(dev->bounce_buf);
 fail_free_priv:
        kfree(priv);
-       dev->sbd.core.driver_data = NULL;
+       ps3_system_bus_set_drvdata(_dev, NULL);
 fail:
        mutex_lock(&ps3disk_mask_mutex);
        __clear_bit(devidx, &ps3disk_mask);
@@ -534,7 +534,7 @@ fail:
 static int ps3disk_remove(struct ps3_system_bus_device *_dev)
 {
        struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core);
-       struct ps3disk_private *priv = dev->sbd.core.driver_data;
+       struct ps3disk_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
 
        mutex_lock(&ps3disk_mask_mutex);
        __clear_bit(MINOR(disk_devt(priv->gendisk)) / PS3DISK_MINORS,
@@ -548,7 +548,7 @@ static int ps3disk_remove(struct ps3_system_bus_device *_dev)
        ps3stor_teardown(dev);
        kfree(dev->bounce_buf);
        kfree(priv);
-       dev->sbd.core.driver_data = NULL;
+       ps3_system_bus_set_drvdata(_dev, NULL);
        return 0;
 }
 
index 8eddef373a9197d9db8834d5ba15d1f743b85ee2..095f97e6066562671eaad46eed57478aa3bafaf7 100644 (file)
 #include <linux/seq_file.h>
 
 #include <asm/firmware.h>
+#include <asm/iommu.h>
 #include <asm/lv1call.h>
 #include <asm/ps3.h>
+#include <asm/ps3gpu.h>
 
 
 #define DEVICE_NAME            "ps3vram"
@@ -45,8 +47,6 @@
 #define NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN   0x0000030c
 #define NV_MEMORY_TO_MEMORY_FORMAT_NOTIFY      0x00000104
 
-#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT 0x601
-
 #define CACHE_PAGE_PRESENT 1
 #define CACHE_PAGE_DIRTY   2
 
@@ -72,8 +72,7 @@ struct ps3vram_priv {
        u64 memory_handle;
        u64 context_handle;
        u32 *ctrl;
-       u32 *reports;
-       u8 __iomem *ddr_base;
+       void *reports;
        u8 *xdr_buf;
 
        u32 *fifo_base;
@@ -81,8 +80,8 @@ struct ps3vram_priv {
 
        struct ps3vram_cache cache;
 
-       /* Used to serialize cache/DMA operations */
-       struct mutex lock;
+       spinlock_t lock;        /* protecting list of bios */
+       struct bio_list list;
 };
 
 
@@ -103,15 +102,15 @@ static char *size = "256M";
 module_param(size, charp, 0);
 MODULE_PARM_DESC(size, "memory size");
 
-static u32 *ps3vram_get_notifier(u32 *reports, int notifier)
+static u32 *ps3vram_get_notifier(void *reports, int notifier)
 {
-       return (void *)reports + DMA_NOTIFIER_OFFSET_BASE +
+       return reports + DMA_NOTIFIER_OFFSET_BASE +
               DMA_NOTIFIER_SIZE * notifier;
 }
 
 static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
        int i;
 
@@ -122,7 +121,7 @@ static void ps3vram_notifier_reset(struct ps3_system_bus_device *dev)
 static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev,
                                 unsigned int timeout_ms)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
        unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
 
@@ -137,7 +136,7 @@ static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev,
 
 static void ps3vram_init_ring(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET;
        priv->ctrl[CTRL_GET] = FIFO_BASE + FIFO_OFFSET;
@@ -146,7 +145,7 @@ static void ps3vram_init_ring(struct ps3_system_bus_device *dev)
 static int ps3vram_wait_ring(struct ps3_system_bus_device *dev,
                             unsigned int timeout_ms)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
 
        do {
@@ -175,7 +174,7 @@ static void ps3vram_begin_ring(struct ps3vram_priv *priv, u32 chan, u32 tag,
 
 static void ps3vram_rewind_ring(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        int status;
 
        ps3vram_out_ring(priv, 0x20000000 | (FIFO_BASE + FIFO_OFFSET));
@@ -183,20 +182,17 @@ static void ps3vram_rewind_ring(struct ps3_system_bus_device *dev)
        priv->ctrl[CTRL_PUT] = FIFO_BASE + FIFO_OFFSET;
 
        /* asking the HV for a blit will kick the FIFO */
-       status = lv1_gpu_context_attribute(priv->context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, 0,
-                                          0, 0, 0);
+       status = lv1_gpu_fb_blit(priv->context_handle, 0, 0, 0, 0);
        if (status)
-               dev_err(&dev->core,
-                       "%s: lv1_gpu_context_attribute failed %d\n", __func__,
-                       status);
+               dev_err(&dev->core, "%s: lv1_gpu_fb_blit failed %d\n",
+                       __func__, status);
 
        priv->fifo_ptr = priv->fifo_base;
 }
 
 static void ps3vram_fire_ring(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        int status;
 
        mutex_lock(&ps3_gpu_mutex);
@@ -205,13 +201,10 @@ static void ps3vram_fire_ring(struct ps3_system_bus_device *dev)
                               (priv->fifo_ptr - priv->fifo_base) * sizeof(u32);
 
        /* asking the HV for a blit will kick the FIFO */
-       status = lv1_gpu_context_attribute(priv->context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT, 0,
-                                          0, 0, 0);
+       status = lv1_gpu_fb_blit(priv->context_handle, 0, 0, 0, 0);
        if (status)
-               dev_err(&dev->core,
-                       "%s: lv1_gpu_context_attribute failed %d\n", __func__,
-                       status);
+               dev_err(&dev->core, "%s: lv1_gpu_fb_blit failed %d\n",
+                       __func__, status);
 
        if ((priv->fifo_ptr - priv->fifo_base) * sizeof(u32) >
            FIFO_SIZE - 1024) {
@@ -225,7 +218,7 @@ static void ps3vram_fire_ring(struct ps3_system_bus_device *dev)
 
 static void ps3vram_bind(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        ps3vram_begin_ring(priv, UPLOAD_SUBCH, 0, 1);
        ps3vram_out_ring(priv, 0x31337303);
@@ -248,7 +241,7 @@ static int ps3vram_upload(struct ps3_system_bus_device *dev,
                          unsigned int src_offset, unsigned int dst_offset,
                          int len, int count)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        ps3vram_begin_ring(priv, UPLOAD_SUBCH,
                           NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
@@ -280,7 +273,7 @@ static int ps3vram_download(struct ps3_system_bus_device *dev,
                            unsigned int src_offset, unsigned int dst_offset,
                            int len, int count)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        ps3vram_begin_ring(priv, DOWNLOAD_SUBCH,
                           NV_MEMORY_TO_MEMORY_FORMAT_OFFSET_IN, 8);
@@ -310,7 +303,7 @@ static int ps3vram_download(struct ps3_system_bus_device *dev,
 
 static void ps3vram_cache_evict(struct ps3_system_bus_device *dev, int entry)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        struct ps3vram_cache *cache = &priv->cache;
 
        if (!(cache->tags[entry].flags & CACHE_PAGE_DIRTY))
@@ -332,7 +325,7 @@ static void ps3vram_cache_evict(struct ps3_system_bus_device *dev, int entry)
 static void ps3vram_cache_load(struct ps3_system_bus_device *dev, int entry,
                               unsigned int address)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        struct ps3vram_cache *cache = &priv->cache;
 
        dev_dbg(&dev->core, "Fetching %d: 0x%08x\n", entry, address);
@@ -352,7 +345,7 @@ static void ps3vram_cache_load(struct ps3_system_bus_device *dev, int entry,
 
 static void ps3vram_cache_flush(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        struct ps3vram_cache *cache = &priv->cache;
        int i;
 
@@ -366,7 +359,7 @@ static void ps3vram_cache_flush(struct ps3_system_bus_device *dev)
 static unsigned int ps3vram_cache_match(struct ps3_system_bus_device *dev,
                                        loff_t address)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        struct ps3vram_cache *cache = &priv->cache;
        unsigned int base;
        unsigned int offset;
@@ -400,7 +393,7 @@ static unsigned int ps3vram_cache_match(struct ps3_system_bus_device *dev,
 
 static int ps3vram_cache_init(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        priv->cache.page_count = CACHE_PAGE_COUNT;
        priv->cache.page_size = CACHE_PAGE_SIZE;
@@ -419,7 +412,7 @@ static int ps3vram_cache_init(struct ps3_system_bus_device *dev)
 
 static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        ps3vram_cache_flush(dev);
        kfree(priv->cache.tags);
@@ -428,7 +421,7 @@ static void ps3vram_cache_cleanup(struct ps3_system_bus_device *dev)
 static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
                        size_t len, size_t *retlen, u_char *buf)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        unsigned int cached, count;
 
        dev_dbg(&dev->core, "%s: from=0x%08x len=0x%zx\n", __func__,
@@ -449,8 +442,6 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
                offset = (unsigned int) (from & (priv->cache.page_size - 1));
                avail  = priv->cache.page_size - offset;
 
-               mutex_lock(&priv->lock);
-
                entry = ps3vram_cache_match(dev, from);
                cached = CACHE_OFFSET + entry * priv->cache.page_size + offset;
 
@@ -462,8 +453,6 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
                        avail = count;
                memcpy(buf, priv->xdr_buf + cached, avail);
 
-               mutex_unlock(&priv->lock);
-
                buf += avail;
                count -= avail;
                from += avail;
@@ -476,7 +465,7 @@ static int ps3vram_read(struct ps3_system_bus_device *dev, loff_t from,
 static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to,
                         size_t len, size_t *retlen, const u_char *buf)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        unsigned int cached, count;
 
        if (to >= priv->size)
@@ -494,8 +483,6 @@ static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to,
                offset = (unsigned int) (to & (priv->cache.page_size - 1));
                avail  = priv->cache.page_size - offset;
 
-               mutex_lock(&priv->lock);
-
                entry = ps3vram_cache_match(dev, to);
                cached = CACHE_OFFSET + entry * priv->cache.page_size + offset;
 
@@ -509,8 +496,6 @@ static int ps3vram_write(struct ps3_system_bus_device *dev, loff_t to,
 
                priv->cache.tags[entry].flags |= CACHE_PAGE_DIRTY;
 
-               mutex_unlock(&priv->lock);
-
                buf += avail;
                count -= avail;
                to += avail;
@@ -543,28 +528,26 @@ static const struct file_operations ps3vram_proc_fops = {
 
 static void __devinit ps3vram_proc_init(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        struct proc_dir_entry *pde;
 
-       pde = proc_create(DEVICE_NAME, 0444, NULL, &ps3vram_proc_fops);
-       if (!pde) {
+       pde = proc_create_data(DEVICE_NAME, 0444, NULL, &ps3vram_proc_fops,
+                              priv);
+       if (!pde)
                dev_warn(&dev->core, "failed to create /proc entry\n");
-               return;
-       }
-       pde->data = priv;
 }
 
-static int ps3vram_make_request(struct request_queue *q, struct bio *bio)
+static struct bio *ps3vram_do_bio(struct ps3_system_bus_device *dev,
+                                 struct bio *bio)
 {
-       struct ps3_system_bus_device *dev = q->queuedata;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
        int write = bio_data_dir(bio) == WRITE;
        const char *op = write ? "write" : "read";
        loff_t offset = bio->bi_sector << 9;
        int error = 0;
        struct bio_vec *bvec;
        unsigned int i;
-
-       dev_dbg(&dev->core, "%s\n", __func__);
+       struct bio *next;
 
        bio_for_each_segment(bvec, bio, i) {
                /* PS3 is ppc64, so we don't handle highmem */
@@ -585,6 +568,7 @@ static int ps3vram_make_request(struct request_queue *q, struct bio *bio)
 
                if (retlen != len) {
                        dev_err(&dev->core, "Short %s\n", op);
+                       error = -EIO;
                        goto out;
                }
 
@@ -594,7 +578,35 @@ static int ps3vram_make_request(struct request_queue *q, struct bio *bio)
        dev_dbg(&dev->core, "%s completed\n", op);
 
 out:
+       spin_lock_irq(&priv->lock);
+       bio_list_pop(&priv->list);
+       next = bio_list_peek(&priv->list);
+       spin_unlock_irq(&priv->lock);
+
        bio_endio(bio, error);
+       return next;
+}
+
+static int ps3vram_make_request(struct request_queue *q, struct bio *bio)
+{
+       struct ps3_system_bus_device *dev = q->queuedata;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
+       int busy;
+
+       dev_dbg(&dev->core, "%s\n", __func__);
+
+       spin_lock_irq(&priv->lock);
+       busy = !bio_list_empty(&priv->list);
+       bio_list_add(&priv->list, bio);
+       spin_unlock_irq(&priv->lock);
+
+       if (busy)
+               return 0;
+
+       do {
+               bio = ps3vram_do_bio(dev, bio);
+       } while (bio);
+
        return 0;
 }
 
@@ -604,8 +616,8 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
        int error, status;
        struct request_queue *queue;
        struct gendisk *gendisk;
-       u64 ddr_lpar, ctrl_lpar, info_lpar, reports_lpar, ddr_size,
-           reports_size;
+       u64 ddr_size, ddr_lpar, ctrl_lpar, info_lpar, reports_lpar,
+           reports_size, xdr_lpar;
        char *rest;
 
        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
@@ -614,10 +626,9 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                goto fail;
        }
 
-       mutex_init(&priv->lock);
-       dev->core.driver_data = priv;
-
-       priv = dev->core.driver_data;
+       spin_lock_init(&priv->lock);
+       bio_list_init(&priv->list);
+       ps3_system_bus_set_drvdata(dev, priv);
 
        /* Allocate XDR buffer (1MiB aligned) */
        priv->xdr_buf = (void *)__get_free_pages(GFP_KERNEL,
@@ -636,7 +647,7 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
        if (ps3_open_hv_device(dev)) {
                dev_err(&dev->core, "ps3_open_hv_device failed\n");
                error = -EAGAIN;
-               goto out_close_gpu;
+               goto out_free_xdr_buf;
        }
 
        /* Request memory */
@@ -660,7 +671,7 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                dev_err(&dev->core, "lv1_gpu_memory_allocate failed %d\n",
                        status);
                error = -ENOMEM;
-               goto out_free_xdr_buf;
+               goto out_close_gpu;
        }
 
        /* Request context */
@@ -676,9 +687,11 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
        }
 
        /* Map XDR buffer to RSX */
+       xdr_lpar = ps3_mm_phys_to_lpar(__pa(priv->xdr_buf));
        status = lv1_gpu_context_iomap(priv->context_handle, XDR_IOIF,
-                                      ps3_mm_phys_to_lpar(__pa(priv->xdr_buf)),
-                                      XDR_BUF_SIZE, 0);
+                                      xdr_lpar, XDR_BUF_SIZE,
+                                      CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
+                                      CBE_IOPTE_M);
        if (status) {
                dev_err(&dev->core, "lv1_gpu_context_iomap failed %d\n",
                        status);
@@ -686,19 +699,11 @@ static int __devinit ps3vram_probe(struct ps3_system_bus_device *dev)
                goto out_free_context;
        }
 
-       priv->ddr_base = ioremap_flags(ddr_lpar, ddr_size, _PAGE_NO_CACHE);
-
-       if (!priv->ddr_base) {
-               dev_err(&dev->core, "ioremap DDR failed\n");
-               error = -ENOMEM;
-               goto out_free_context;
-       }
-
        priv->ctrl = ioremap(ctrl_lpar, 64 * 1024);
        if (!priv->ctrl) {
                dev_err(&dev->core, "ioremap CTRL failed\n");
                error = -ENOMEM;
-               goto out_unmap_vram;
+               goto out_unmap_context;
        }
 
        priv->reports = ioremap(reports_lpar, reports_size);
@@ -775,8 +780,9 @@ out_unmap_reports:
        iounmap(priv->reports);
 out_unmap_ctrl:
        iounmap(priv->ctrl);
-out_unmap_vram:
-       iounmap(priv->ddr_base);
+out_unmap_context:
+       lv1_gpu_context_iomap(priv->context_handle, XDR_IOIF, xdr_lpar,
+                             XDR_BUF_SIZE, CBE_IOPTE_M);
 out_free_context:
        lv1_gpu_context_free(priv->context_handle);
 out_free_memory:
@@ -787,14 +793,14 @@ out_free_xdr_buf:
        free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE));
 fail_free_priv:
        kfree(priv);
-       dev->core.driver_data = NULL;
+       ps3_system_bus_set_drvdata(dev, NULL);
 fail:
        return error;
 }
 
 static int ps3vram_remove(struct ps3_system_bus_device *dev)
 {
-       struct ps3vram_priv *priv = dev->core.driver_data;
+       struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
 
        del_gendisk(priv->gendisk);
        put_disk(priv->gendisk);
@@ -803,13 +809,15 @@ static int ps3vram_remove(struct ps3_system_bus_device *dev)
        ps3vram_cache_cleanup(dev);
        iounmap(priv->reports);
        iounmap(priv->ctrl);
-       iounmap(priv->ddr_base);
+       lv1_gpu_context_iomap(priv->context_handle, XDR_IOIF,
+                             ps3_mm_phys_to_lpar(__pa(priv->xdr_buf)),
+                             XDR_BUF_SIZE, CBE_IOPTE_M);
        lv1_gpu_context_free(priv->context_handle);
        lv1_gpu_memory_free(priv->memory_handle);
        ps3_close_hv_device(dev);
        free_pages((unsigned long) priv->xdr_buf, get_order(XDR_BUF_SIZE));
        kfree(priv);
-       dev->core.driver_data = NULL;
+       ps3_system_bus_set_drvdata(dev, NULL);
        return 0;
 }
 
index afbe45676d71c8f064e5102b0e8460dbde0119a3..f424d394a286415e82c8aafdc634073f916f6521 100644 (file)
 
 struct ps3flash_private {
        struct mutex mutex;     /* Bounce buffer mutex */
+       u64 chunk_sectors;
+       int tag;                /* Start sector of buffer, -1 if invalid */
+       bool dirty;
 };
 
 static struct ps3_storage_device *ps3flash_dev;
 
-static ssize_t ps3flash_read_write_sectors(struct ps3_storage_device *dev,
-                                          u64 lpar, u64 start_sector,
-                                          u64 sectors, int write)
+static int ps3flash_read_write_sectors(struct ps3_storage_device *dev,
+                                      u64 start_sector, int write)
 {
-       u64 res = ps3stor_read_write_sectors(dev, lpar, start_sector, sectors,
+       struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
+       u64 res = ps3stor_read_write_sectors(dev, dev->bounce_lpar,
+                                            start_sector, priv->chunk_sectors,
                                             write);
        if (res) {
                dev_err(&dev->sbd.core, "%s:%u: %s failed 0x%llx\n", __func__,
                        __LINE__, write ? "write" : "read", res);
                return -EIO;
        }
-       return sectors;
+       return 0;
 }
 
-static ssize_t ps3flash_read_sectors(struct ps3_storage_device *dev,
-                                    u64 start_sector, u64 sectors,
-                                    unsigned int sector_offset)
+static int ps3flash_writeback(struct ps3_storage_device *dev)
 {
-       u64 max_sectors, lpar;
+       struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
+       int res;
 
-       max_sectors = dev->bounce_size / dev->blk_size;
-       if (sectors > max_sectors) {
-               dev_dbg(&dev->sbd.core, "%s:%u Limiting sectors to %llu\n",
-                       __func__, __LINE__, max_sectors);
-               sectors = max_sectors;
-       }
+       if (!priv->dirty || priv->tag < 0)
+               return 0;
 
-       lpar = dev->bounce_lpar + sector_offset * dev->blk_size;
-       return ps3flash_read_write_sectors(dev, lpar, start_sector, sectors,
-                                          0);
+       res = ps3flash_read_write_sectors(dev, priv->tag, 1);
+       if (res)
+               return res;
+
+       priv->dirty = false;
+       return 0;
 }
 
-static ssize_t ps3flash_write_chunk(struct ps3_storage_device *dev,
-                                   u64 start_sector)
+static int ps3flash_fetch(struct ps3_storage_device *dev, u64 start_sector)
 {
-       u64 sectors = dev->bounce_size / dev->blk_size;
-       return ps3flash_read_write_sectors(dev, dev->bounce_lpar, start_sector,
-                                         sectors, 1);
+       struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
+       int res;
+
+       if (start_sector == priv->tag)
+               return 0;
+
+       res = ps3flash_writeback(dev);
+       if (res)
+               return res;
+
+       priv->tag = -1;
+
+       res = ps3flash_read_write_sectors(dev, start_sector, 0);
+       if (res)
+               return res;
+
+       priv->tag = start_sector;
+       return 0;
 }
 
 static loff_t ps3flash_llseek(struct file *file, loff_t offset, int origin)
@@ -104,18 +120,19 @@ out:
        return res;
 }
 
-static ssize_t ps3flash_read(struct file *file, char __user *buf, size_t count,
-                            loff_t *pos)
+static ssize_t ps3flash_read(char __user *userbuf, void *kernelbuf,
+                            size_t count, loff_t *pos)
 {
        struct ps3_storage_device *dev = ps3flash_dev;
-       struct ps3flash_private *priv = dev->sbd.core.driver_data;
-       u64 size, start_sector, end_sector, offset;
-       ssize_t sectors_read;
+       struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
+       u64 size, sector, offset;
+       int res;
        size_t remaining, n;
+       const void *src;
 
        dev_dbg(&dev->sbd.core,
-               "%s:%u: Reading %zu bytes at position %lld to user 0x%p\n",
-               __func__, __LINE__, count, *pos, buf);
+               "%s:%u: Reading %zu bytes at position %lld to U0x%p/K0x%p\n",
+               __func__, __LINE__, count, *pos, userbuf, kernelbuf);
 
        size = dev->regions[dev->region_idx].size*dev->blk_size;
        if (*pos >= size || !count)
@@ -128,61 +145,63 @@ static ssize_t ps3flash_read(struct file *file, char __user *buf, size_t count,
                count = size - *pos;
        }
 
-       start_sector = *pos / dev->blk_size;
-       offset = *pos % dev->blk_size;
-       end_sector = DIV_ROUND_UP(*pos + count, dev->blk_size);
+       sector = *pos / dev->bounce_size * priv->chunk_sectors;
+       offset = *pos % dev->bounce_size;
 
        remaining = count;
        do {
+               n = min_t(u64, remaining, dev->bounce_size - offset);
+               src = dev->bounce_buf + offset;
+
                mutex_lock(&priv->mutex);
 
-               sectors_read = ps3flash_read_sectors(dev, start_sector,
-                                                    end_sector-start_sector,
-                                                    0);
-               if (sectors_read < 0) {
-                       mutex_unlock(&priv->mutex);
+               res = ps3flash_fetch(dev, sector);
+               if (res)
                        goto fail;
-               }
 
-               n = min_t(u64, remaining, sectors_read*dev->blk_size-offset);
                dev_dbg(&dev->sbd.core,
-                       "%s:%u: copy %lu bytes from 0x%p to user 0x%p\n",
-                       __func__, __LINE__, n, dev->bounce_buf+offset, buf);
-               if (copy_to_user(buf, dev->bounce_buf+offset, n)) {
-                       mutex_unlock(&priv->mutex);
-                       sectors_read = -EFAULT;
-                       goto fail;
+                       "%s:%u: copy %lu bytes from 0x%p to U0x%p/K0x%p\n",
+                       __func__, __LINE__, n, src, userbuf, kernelbuf);
+               if (userbuf) {
+                       if (copy_to_user(userbuf, src, n)) {
+                               res = -EFAULT;
+                               goto fail;
+                       }
+                       userbuf += n;
+               }
+               if (kernelbuf) {
+                       memcpy(kernelbuf, src, n);
+                       kernelbuf += n;
                }
 
                mutex_unlock(&priv->mutex);
 
                *pos += n;
-               buf += n;
                remaining -= n;
-               start_sector += sectors_read;
+               sector += priv->chunk_sectors;
                offset = 0;
        } while (remaining > 0);
 
        return count;
 
 fail:
-       return sectors_read;
+       mutex_unlock(&priv->mutex);
+       return res;
 }
 
-static ssize_t ps3flash_write(struct file *file, const char __user *buf,
-                             size_t count, loff_t *pos)
+static ssize_t ps3flash_write(const char __user *userbuf,
+                             const void *kernelbuf, size_t count, loff_t *pos)
 {
        struct ps3_storage_device *dev = ps3flash_dev;
-       struct ps3flash_private *priv = dev->sbd.core.driver_data;
-       u64 size, chunk_sectors, start_write_sector, end_write_sector,
-           end_read_sector, start_read_sector, head, tail, offset;
-       ssize_t res;
+       struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
+       u64 size, sector, offset;
+       int res = 0;
        size_t remaining, n;
-       unsigned int sec_off;
+       void *dst;
 
        dev_dbg(&dev->sbd.core,
-               "%s:%u: Writing %zu bytes at position %lld from user 0x%p\n",
-               __func__, __LINE__, count, *pos, buf);
+               "%s:%u: Writing %zu bytes at position %lld from U0x%p/K0x%p\n",
+               __func__, __LINE__, count, *pos, userbuf, kernelbuf);
 
        size = dev->regions[dev->region_idx].size*dev->blk_size;
        if (*pos >= size || !count)
@@ -195,89 +214,46 @@ static ssize_t ps3flash_write(struct file *file, const char __user *buf,
                count = size - *pos;
        }
 
-       chunk_sectors = dev->bounce_size / dev->blk_size;
-
-       start_write_sector = *pos / dev->bounce_size * chunk_sectors;
+       sector = *pos / dev->bounce_size * priv->chunk_sectors;
        offset = *pos % dev->bounce_size;
-       end_write_sector = DIV_ROUND_UP(*pos + count, dev->bounce_size) *
-                          chunk_sectors;
-
-       end_read_sector = DIV_ROUND_UP(*pos, dev->blk_size);
-       start_read_sector = (*pos + count) / dev->blk_size;
-
-       /*
-        * As we have to write in 256 KiB chunks, while we can read in blk_size
-        * (usually 512 bytes) chunks, we perform the following steps:
-        *   1. Read from start_write_sector to end_read_sector ("head")
-        *   2. Read from start_read_sector to end_write_sector ("tail")
-        *   3. Copy data to buffer
-        *   4. Write from start_write_sector to end_write_sector
-        * All of this is complicated by using only one 256 KiB bounce buffer.
-        */
-
-       head = end_read_sector - start_write_sector;
-       tail = end_write_sector - start_read_sector;
 
        remaining = count;
        do {
+               n = min_t(u64, remaining, dev->bounce_size - offset);
+               dst = dev->bounce_buf + offset;
+
                mutex_lock(&priv->mutex);
 
-               if (end_read_sector >= start_read_sector) {
-                       /* Merge head and tail */
-                       dev_dbg(&dev->sbd.core,
-                               "Merged head and tail: %llu sectors at %llu\n",
-                               chunk_sectors, start_write_sector);
-                       res = ps3flash_read_sectors(dev, start_write_sector,
-                                                   chunk_sectors, 0);
-                       if (res < 0)
+               if (n != dev->bounce_size)
+                       res = ps3flash_fetch(dev, sector);
+               else if (sector != priv->tag)
+                       res = ps3flash_writeback(dev);
+               if (res)
+                       goto fail;
+
+               dev_dbg(&dev->sbd.core,
+                       "%s:%u: copy %lu bytes from U0x%p/K0x%p to 0x%p\n",
+                       __func__, __LINE__, n, userbuf, kernelbuf, dst);
+               if (userbuf) {
+                       if (copy_from_user(dst, userbuf, n)) {
+                               res = -EFAULT;
                                goto fail;
-               } else {
-                       if (head) {
-                               /* Read head */
-                               dev_dbg(&dev->sbd.core,
-                                       "head: %llu sectors at %llu\n", head,
-                                       start_write_sector);
-                               res = ps3flash_read_sectors(dev,
-                                                           start_write_sector,
-                                                           head, 0);
-                               if (res < 0)
-                                       goto fail;
-                       }
-                       if (start_read_sector <
-                           start_write_sector+chunk_sectors) {
-                               /* Read tail */
-                               dev_dbg(&dev->sbd.core,
-                                       "tail: %llu sectors at %llu\n", tail,
-                                       start_read_sector);
-                               sec_off = start_read_sector-start_write_sector;
-                               res = ps3flash_read_sectors(dev,
-                                                           start_read_sector,
-                                                           tail, sec_off);
-                               if (res < 0)
-                                       goto fail;
                        }
+                       userbuf += n;
                }
-
-               n = min_t(u64, remaining, dev->bounce_size-offset);
-               dev_dbg(&dev->sbd.core,
-                       "%s:%u: copy %lu bytes from user 0x%p to 0x%p\n",
-                       __func__, __LINE__, n, buf, dev->bounce_buf+offset);
-               if (copy_from_user(dev->bounce_buf+offset, buf, n)) {
-                       res = -EFAULT;
-                       goto fail;
+               if (kernelbuf) {
+                       memcpy(dst, kernelbuf, n);
+                       kernelbuf += n;
                }
 
-               res = ps3flash_write_chunk(dev, start_write_sector);
-               if (res < 0)
-                       goto fail;
+               priv->tag = sector;
+               priv->dirty = true;
 
                mutex_unlock(&priv->mutex);
 
                *pos += n;
-               buf += n;
                remaining -= n;
-               start_write_sector += chunk_sectors;
-               head = 0;
+               sector += priv->chunk_sectors;
                offset = 0;
        } while (remaining > 0);
 
@@ -288,6 +264,51 @@ fail:
        return res;
 }
 
+static ssize_t ps3flash_user_read(struct file *file, char __user *buf,
+                                 size_t count, loff_t *pos)
+{
+       return ps3flash_read(buf, NULL, count, pos);
+}
+
+static ssize_t ps3flash_user_write(struct file *file, const char __user *buf,
+                                  size_t count, loff_t *pos)
+{
+       return ps3flash_write(buf, NULL, count, pos);
+}
+
+static ssize_t ps3flash_kernel_read(void *buf, size_t count, loff_t pos)
+{
+       return ps3flash_read(NULL, buf, count, &pos);
+}
+
+static ssize_t ps3flash_kernel_write(const void *buf, size_t count,
+                                    loff_t pos)
+{
+       ssize_t res;
+       int wb;
+
+       res = ps3flash_write(NULL, buf, count, &pos);
+       if (res < 0)
+               return res;
+
+       /* Make kernel writes synchronous */
+       wb = ps3flash_writeback(ps3flash_dev);
+       if (wb)
+               return wb;
+
+       return res;
+}
+
+static int ps3flash_flush(struct file *file, fl_owner_t id)
+{
+       return ps3flash_writeback(ps3flash_dev);
+}
+
+static int ps3flash_fsync(struct file *file, struct dentry *dentry,
+                         int datasync)
+{
+       return ps3flash_writeback(ps3flash_dev);
+}
 
 static irqreturn_t ps3flash_interrupt(int irq, void *data)
 {
@@ -312,12 +333,18 @@ static irqreturn_t ps3flash_interrupt(int irq, void *data)
        return IRQ_HANDLED;
 }
 
-
 static const struct file_operations ps3flash_fops = {
        .owner  = THIS_MODULE,
        .llseek = ps3flash_llseek,
-       .read   = ps3flash_read,
-       .write  = ps3flash_write,
+       .read   = ps3flash_user_read,
+       .write  = ps3flash_user_write,
+       .flush  = ps3flash_flush,
+       .fsync  = ps3flash_fsync,
+};
+
+static const struct ps3_os_area_flash_ops ps3flash_kernel_ops = {
+       .read   = ps3flash_kernel_read,
+       .write  = ps3flash_kernel_write,
 };
 
 static struct miscdevice ps3flash_misc = {
@@ -366,11 +393,13 @@ static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev)
                goto fail;
        }
 
-       dev->sbd.core.driver_data = priv;
+       ps3_system_bus_set_drvdata(&dev->sbd, priv);
        mutex_init(&priv->mutex);
+       priv->tag = -1;
 
        dev->bounce_size = ps3flash_bounce_buffer.size;
        dev->bounce_buf = ps3flash_bounce_buffer.address;
+       priv->chunk_sectors = dev->bounce_size / dev->blk_size;
 
        error = ps3stor_setup(dev, ps3flash_interrupt);
        if (error)
@@ -386,13 +415,15 @@ static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev)
 
        dev_info(&dev->sbd.core, "%s:%u: registered misc device %d\n",
                 __func__, __LINE__, ps3flash_misc.minor);
+
+       ps3_os_area_flash_register(&ps3flash_kernel_ops);
        return 0;
 
 fail_teardown:
        ps3stor_teardown(dev);
 fail_free_priv:
        kfree(priv);
-       dev->sbd.core.driver_data = NULL;
+       ps3_system_bus_set_drvdata(&dev->sbd, NULL);
 fail:
        ps3flash_dev = NULL;
        return error;
@@ -402,10 +433,11 @@ static int ps3flash_remove(struct ps3_system_bus_device *_dev)
 {
        struct ps3_storage_device *dev = to_ps3_storage_device(&_dev->core);
 
+       ps3_os_area_flash_register(NULL);
        misc_deregister(&ps3flash_misc);
        ps3stor_teardown(dev);
-       kfree(dev->sbd.core.driver_data);
-       dev->sbd.core.driver_data = NULL;
+       kfree(ps3_system_bus_get_drvdata(&dev->sbd));
+       ps3_system_bus_set_drvdata(&dev->sbd, NULL);
        ps3flash_dev = NULL;
        return 0;
 }
index 30900b30d532e9dedf2b040a672d47d0921e6203..2b38f39924a67df3e6cd1ce657ac949535f18d1a 100644 (file)
@@ -1648,7 +1648,7 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev)
                result = -ENOMEM;
                goto fail_alloc_card;
        }
-       ps3_system_bus_set_driver_data(dev, card);
+       ps3_system_bus_set_drvdata(dev, card);
        card->dev = dev;
 
        /* get internal vlan info */
@@ -1749,7 +1749,7 @@ fail_alloc_irq:
                                               bus_id(card),
                                               0, 0);
 fail_status_indicator:
-       ps3_system_bus_set_driver_data(dev, NULL);
+       ps3_system_bus_set_drvdata(dev, NULL);
        kfree(netdev_card(netdev)->unalign);
        free_netdev(netdev);
 fail_alloc_card:
@@ -1766,7 +1766,7 @@ fail_open:
 
 static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
 {
-       struct gelic_card *card = ps3_system_bus_get_driver_data(dev);
+       struct gelic_card *card = ps3_system_bus_get_drvdata(dev);
        struct net_device *netdev0;
        pr_debug("%s: called\n", __func__);
 
@@ -1803,7 +1803,7 @@ static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
        kfree(netdev_card(netdev0)->unalign);
        free_netdev(netdev0);
 
-       ps3_system_bus_set_driver_data(dev, NULL);
+       ps3_system_bus_set_drvdata(dev, NULL);
 
        ps3_dma_region_free(dev->d_region);
 
index f17513dd9d4ba4a340effd9cb63f5fa6e1a04eeb..88cb74088611be6258013f53a9ec28c0a1c86d09 100644 (file)
@@ -706,7 +706,7 @@ static void ps3_sys_manager_work(struct ps3_system_bus_device *dev)
        ps3_vuart_read_async(dev, PS3_SM_RX_MSG_LEN_MIN);
 }
 
-static int ps3_sys_manager_probe(struct ps3_system_bus_device *dev)
+static int __devinit ps3_sys_manager_probe(struct ps3_system_bus_device *dev)
 {
        int result;
        struct ps3_sys_manager_ops ops;
index 235e87fcb49f5c5ab5979c2dc2fd6eeaa4b5feef..e82d8c9c6cda6a6c098ce2c7bd685d30515fcb5b 100644 (file)
@@ -80,12 +80,12 @@ static const struct avset_video_mode {
        {     0, }, /* auto */
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480I,       A_N,  720,  480},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_480P,       A_N,  720,  480},
-       {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_N, 1280,  720},
+       {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_60HZ,  A_W, 1280,  720},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_60HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_60HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576I,       A_N,  720,  576},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_576P,       A_N,  720,  576},
-       {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_N, 1280,  720},
+       {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_720P_50HZ,  A_W, 1280,  720},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080I_50HZ, A_W, 1920, 1080},
        {YUV444, XRGB, PS3AV_CMD_VIDEO_VID_1080P_50HZ, A_W, 1920, 1080},
        {  RGB8, XRGB, PS3AV_CMD_VIDEO_VID_WXGA,       A_W, 1280,  768},
@@ -937,7 +937,7 @@ int ps3av_audio_mute(int mute)
 
 EXPORT_SYMBOL_GPL(ps3av_audio_mute);
 
-static int ps3av_probe(struct ps3_system_bus_device *dev)
+static int __devinit ps3av_probe(struct ps3_system_bus_device *dev)
 {
        int res;
        int id;
@@ -1048,7 +1048,7 @@ static struct ps3_vuart_port_driver ps3av_driver = {
        .shutdown = ps3av_shutdown,
 };
 
-static int ps3av_module_init(void)
+static int __init ps3av_module_init(void)
 {
        int error;
 
index 716596e8e5b0acdc26d92d607af85516897f932d..f555fedd5073270a7624995e09417b1e41119663 100644 (file)
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
+
 #include <asm/ps3av.h>
-#include <asm/ps3fb.h>
 #include <asm/ps3.h>
+#include <asm/ps3gpu.h>
 
 #include "vuart.h"
 
index 1ba9f9a8c3088bd607fb95b5599e0982c6c8c9d2..bb870b8f81bc53c9a05202f7d5ce76e7e9c2ad82 100644 (file)
@@ -162,7 +162,7 @@ static int ps3_ehci_probe(struct ps3_system_bus_device *dev)
        dev_dbg(&dev->core, "%s:%d: virq            %lu\n", __func__, __LINE__,
                (unsigned long)virq);
 
-       ps3_system_bus_set_driver_data(dev, hcd);
+       ps3_system_bus_set_drvdata(dev, hcd);
 
        result = usb_add_hcd(hcd, virq, IRQF_DISABLED);
 
@@ -195,8 +195,7 @@ fail_start:
 static int ps3_ehci_remove(struct ps3_system_bus_device *dev)
 {
        unsigned int tmp;
-       struct usb_hcd *hcd =
-               (struct usb_hcd *)ps3_system_bus_get_driver_data(dev);
+       struct usb_hcd *hcd = ps3_system_bus_get_drvdata(dev);
 
        BUG_ON(!hcd);
 
@@ -208,7 +207,7 @@ static int ps3_ehci_remove(struct ps3_system_bus_device *dev)
        ehci_shutdown(hcd);
        usb_remove_hcd(hcd);
 
-       ps3_system_bus_set_driver_data(dev, NULL);
+       ps3_system_bus_set_drvdata(dev, NULL);
 
        BUG_ON(!hcd->regs);
        iounmap(hcd->regs);
index 3d19103173286e849e54a21ede9012b04426ee24..1d56259c5db1650bb610e3318aa3a969a381f4cb 100644 (file)
@@ -162,7 +162,7 @@ static int ps3_ohci_probe(struct ps3_system_bus_device *dev)
        dev_dbg(&dev->core, "%s:%d: virq            %lu\n", __func__, __LINE__,
                (unsigned long)virq);
 
-       ps3_system_bus_set_driver_data(dev, hcd);
+       ps3_system_bus_set_drvdata(dev, hcd);
 
        result = usb_add_hcd(hcd, virq, IRQF_DISABLED);
 
@@ -195,8 +195,7 @@ fail_start:
 static int ps3_ohci_remove(struct ps3_system_bus_device *dev)
 {
        unsigned int tmp;
-       struct usb_hcd *hcd =
-               (struct usb_hcd *)ps3_system_bus_get_driver_data(dev);
+       struct usb_hcd *hcd = ps3_system_bus_get_drvdata(dev);
 
        BUG_ON(!hcd);
 
@@ -208,7 +207,7 @@ static int ps3_ohci_remove(struct ps3_system_bus_device *dev)
        ohci_shutdown(hcd);
        usb_remove_hcd(hcd);
 
-       ps3_system_bus_set_driver_data(dev, NULL);
+       ps3_system_bus_set_drvdata(dev, NULL);
 
        BUG_ON(!hcd->regs);
        iounmap(hcd->regs);
index e00c1dff55de24316d905750619781960328968c..c0af638fe702441c4095d168f4b464769296274c 100644 (file)
 #include <linux/init.h>
 
 #include <asm/abs_addr.h>
+#include <asm/iommu.h>
 #include <asm/lv1call.h>
 #include <asm/ps3av.h>
 #include <asm/ps3fb.h>
 #include <asm/ps3.h>
+#include <asm/ps3gpu.h>
 
 
 #define DEVICE_NAME            "ps3fb"
 
-#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC   0x101
-#define L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP   0x102
-#define L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP       0x600
-#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT                0x601
-#define L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT_SYNC   0x602
-
-#define L1GPU_FB_BLIT_WAIT_FOR_COMPLETION      (1ULL << 32)
-
-#define L1GPU_DISPLAY_SYNC_HSYNC               1
-#define L1GPU_DISPLAY_SYNC_VSYNC               2
-
 #define GPU_CMD_BUF_SIZE                       (2 * 1024 * 1024)
 #define GPU_FB_START                           (64 * 1024)
 #define GPU_IOIF                               (0x0d000000UL)
@@ -462,33 +453,27 @@ static void ps3fb_sync_image(struct device *dev, u64 frame_offset,
        src_offset += GPU_FB_START;
 
        mutex_lock(&ps3_gpu_mutex);
-       status = lv1_gpu_context_attribute(ps3fb.context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_FB_BLIT,
-                                          dst_offset, GPU_IOIF + src_offset,
-                                          L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
-                                          (width << 16) | height,
-                                          line_length);
+       status = lv1_gpu_fb_blit(ps3fb.context_handle, dst_offset,
+                                GPU_IOIF + src_offset,
+                                L1GPU_FB_BLIT_WAIT_FOR_COMPLETION |
+                                (width << 16) | height,
+                                line_length);
        mutex_unlock(&ps3_gpu_mutex);
 
        if (status)
-               dev_err(dev,
-                       "%s: lv1_gpu_context_attribute FB_BLIT failed: %d\n",
-                       __func__, status);
+               dev_err(dev, "%s: lv1_gpu_fb_blit failed: %d\n", __func__,
+                       status);
 #ifdef HEAD_A
-       status = lv1_gpu_context_attribute(ps3fb.context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
-                                          0, frame_offset, 0, 0);
+       status = lv1_gpu_display_flip(ps3fb.context_handle, 0, frame_offset);
        if (status)
-               dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
-                       __func__, status);
+               dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__,
+                       status);
 #endif
 #ifdef HEAD_B
-       status = lv1_gpu_context_attribute(ps3fb.context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_FLIP,
-                                          1, frame_offset, 0, 0);
+       status = lv1_gpu_display_flip(ps3fb.context_handle, 1, frame_offset);
        if (status)
-               dev_err(dev, "%s: lv1_gpu_context_attribute FLIP failed: %d\n",
-                       __func__, status);
+               dev_err(dev, "%s: lv1_gpu_display_flip failed: %d\n", __func__,
+                       status);
 #endif
 }
 
@@ -956,73 +941,6 @@ static irqreturn_t ps3fb_vsync_interrupt(int irq, void *ptr)
 }
 
 
-static int ps3fb_vsync_settings(struct gpu_driver_info *dinfo,
-                               struct device *dev)
-{
-       int error;
-
-       dev_dbg(dev, "version_driver:%x\n", dinfo->version_driver);
-       dev_dbg(dev, "irq outlet:%x\n", dinfo->irq.irq_outlet);
-       dev_dbg(dev,
-               "version_gpu: %x memory_size: %x ch: %x core_freq: %d "
-               "mem_freq:%d\n",
-               dinfo->version_gpu, dinfo->memory_size, dinfo->hardware_channel,
-               dinfo->nvcore_frequency/1000000, dinfo->memory_frequency/1000000);
-
-       if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
-               dev_err(dev, "%s: version_driver err:%x\n", __func__,
-                       dinfo->version_driver);
-               return -EINVAL;
-       }
-
-       error = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
-                                  &ps3fb.irq_no);
-       if (error) {
-               dev_err(dev, "%s: ps3_alloc_irq failed %d\n", __func__, error);
-               return error;
-       }
-
-       error = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt, IRQF_DISABLED,
-                           DEVICE_NAME, dev);
-       if (error) {
-               dev_err(dev, "%s: request_irq failed %d\n", __func__, error);
-               ps3_irq_plug_destroy(ps3fb.irq_no);
-               return error;
-       }
-
-       dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
-                         (1 << GPU_INTR_STATUS_FLIP_1);
-       return 0;
-}
-
-static int ps3fb_xdr_settings(u64 xdr_lpar, struct device *dev)
-{
-       int status;
-
-       status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
-                                      xdr_lpar, ps3fb_videomemory.size, 0);
-       if (status) {
-               dev_err(dev, "%s: lv1_gpu_context_iomap failed: %d\n",
-                       __func__, status);
-               return -ENXIO;
-       }
-       dev_dbg(dev, "video:%p ioif:%lx lpar:%llx size:%lx\n",
-               ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,
-               ps3fb_videomemory.size);
-
-       status = lv1_gpu_context_attribute(ps3fb.context_handle,
-                                          L1GPU_CONTEXT_ATTRIBUTE_FB_SETUP,
-                                          xdr_lpar, GPU_CMD_BUF_SIZE,
-                                          GPU_IOIF, 0);
-       if (status) {
-               dev_err(dev,
-                       "%s: lv1_gpu_context_attribute FB_SETUP failed: %d\n",
-                       __func__, status);
-               return -ENXIO;
-       }
-       return 0;
-}
-
 static struct fb_ops ps3fb_ops = {
        .fb_open        = ps3fb_open,
        .fb_release     = ps3fb_release,
@@ -1048,49 +966,18 @@ static struct fb_fix_screeninfo ps3fb_fix __initdata = {
        .accel =        FB_ACCEL_NONE,
 };
 
-static int ps3fb_set_sync(struct device *dev)
-{
-       int status;
-
-#ifdef HEAD_A
-       status = lv1_gpu_context_attribute(0x0,
-                                          L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
-                                          0, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
-       if (status) {
-               dev_err(dev,
-                       "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
-                       "%d\n",
-                       __func__, status);
-               return -1;
-       }
-#endif
-#ifdef HEAD_B
-       status = lv1_gpu_context_attribute(0x0,
-                                          L1GPU_CONTEXT_ATTRIBUTE_DISPLAY_SYNC,
-                                          1, L1GPU_DISPLAY_SYNC_VSYNC, 0, 0);
-
-       if (status) {
-               dev_err(dev,
-                       "%s: lv1_gpu_context_attribute DISPLAY_SYNC failed: "
-                       "%d\n",
-                       __func__, status);
-               return -1;
-       }
-#endif
-       return 0;
-}
-
 static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
 {
        struct fb_info *info;
        struct ps3fb_par *par;
-       int retval = -ENOMEM;
+       int retval;
        u64 ddr_lpar = 0;
        u64 lpar_dma_control = 0;
        u64 lpar_driver_info = 0;
        u64 lpar_reports = 0;
        u64 lpar_reports_size = 0;
        u64 xdr_lpar;
+       struct gpu_driver_info *dinfo;
        void *fb_start;
        int status;
        struct task_struct *task;
@@ -1101,8 +988,8 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
                return -ENOMEM;
        }
 
-       status = ps3_open_hv_device(dev);
-       if (status) {
+       retval = ps3_open_hv_device(dev);
+       if (retval) {
                dev_err(&dev->core, "%s: ps3_open_hv_device failed\n",
                        __func__);
                goto err;
@@ -1116,7 +1003,24 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
        atomic_set(&ps3fb.ext_flip, 0); /* for flip with vsync */
        init_waitqueue_head(&ps3fb.wait_vsync);
 
-       ps3fb_set_sync(&dev->core);
+#ifdef HEAD_A
+       status = lv1_gpu_display_sync(0x0, 0, L1GPU_DISPLAY_SYNC_VSYNC);
+       if (status) {
+               dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n",
+                       __func__, status);
+               retval = -ENODEV;
+               goto err_close_device;
+       }
+#endif
+#ifdef HEAD_B
+       status = lv1_gpu_display_sync(0x0, 1, L1GPU_DISPLAY_SYNC_VSYNC);
+       if (status) {
+               dev_err(&dev->core, "%s: lv1_gpu_display_sync failed: %d\n",
+                       __func__, status);
+               retval = -ENODEV;
+               goto err_close_device;
+       }
+#endif
 
        max_ps3fb_size = _ALIGN_UP(GPU_IOIF, 256*1024*1024) - GPU_IOIF;
        if (ps3fb_videomemory.size > max_ps3fb_size) {
@@ -1131,7 +1035,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
        if (status) {
                dev_err(&dev->core, "%s: lv1_gpu_memory_allocate failed: %d\n",
                        __func__, status);
-               goto err;
+               goto err_close_device;
        }
        dev_dbg(&dev->core, "ddr:lpar:0x%llx\n", ddr_lpar);
 
@@ -1141,33 +1045,85 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
                                          &lpar_reports, &lpar_reports_size);
        if (status) {
                dev_err(&dev->core,
-                       "%s: lv1_gpu_context_attribute failed: %d\n", __func__,
+                       "%s: lv1_gpu_context_allocate failed: %d\n", __func__,
                        status);
                goto err_gpu_memory_free;
        }
 
        /* vsync interrupt */
-       ps3fb.dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
-       if (!ps3fb.dinfo) {
+       dinfo = (void __force *)ioremap(lpar_driver_info, 128 * 1024);
+       if (!dinfo) {
                dev_err(&dev->core, "%s: ioremap failed\n", __func__);
                goto err_gpu_context_free;
        }
 
-       retval = ps3fb_vsync_settings(ps3fb.dinfo, &dev->core);
-       if (retval)
+       ps3fb.dinfo = dinfo;
+       dev_dbg(&dev->core, "version_driver:%x\n", dinfo->version_driver);
+       dev_dbg(&dev->core, "irq outlet:%x\n", dinfo->irq.irq_outlet);
+       dev_dbg(&dev->core, "version_gpu: %x memory_size: %x ch: %x "
+               "core_freq: %d mem_freq:%d\n", dinfo->version_gpu,
+               dinfo->memory_size, dinfo->hardware_channel,
+               dinfo->nvcore_frequency/1000000,
+               dinfo->memory_frequency/1000000);
+
+       if (dinfo->version_driver != GPU_DRIVER_INFO_VERSION) {
+               dev_err(&dev->core, "%s: version_driver err:%x\n", __func__,
+                       dinfo->version_driver);
+               retval = -EINVAL;
+               goto err_iounmap_dinfo;
+       }
+
+       retval = ps3_irq_plug_setup(PS3_BINDING_CPU_ANY, dinfo->irq.irq_outlet,
+                                   &ps3fb.irq_no);
+       if (retval) {
+               dev_err(&dev->core, "%s: ps3_alloc_irq failed %d\n", __func__,
+                       retval);
                goto err_iounmap_dinfo;
+       }
+
+       retval = request_irq(ps3fb.irq_no, ps3fb_vsync_interrupt,
+                            IRQF_DISABLED, DEVICE_NAME, &dev->core);
+       if (retval) {
+               dev_err(&dev->core, "%s: request_irq failed %d\n", __func__,
+                       retval);
+               goto err_destroy_plug;
+       }
+
+       dinfo->irq.mask = (1 << GPU_INTR_STATUS_VSYNC_1) |
+                         (1 << GPU_INTR_STATUS_FLIP_1);
 
        /* Clear memory to prevent kernel info leakage into userspace */
        memset(ps3fb_videomemory.address, 0, ps3fb_videomemory.size);
 
        xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
-       retval = ps3fb_xdr_settings(xdr_lpar, &dev->core);
-       if (retval)
+
+       status = lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF,
+                                      xdr_lpar, ps3fb_videomemory.size,
+                                      CBE_IOPTE_PP_W | CBE_IOPTE_PP_R |
+                                      CBE_IOPTE_M);
+       if (status) {
+               dev_err(&dev->core, "%s: lv1_gpu_context_iomap failed: %d\n",
+                       __func__, status);
+               retval =  -ENXIO;
                goto err_free_irq;
+       }
+
+       dev_dbg(&dev->core, "video:%p ioif:%lx lpar:%llx size:%lx\n",
+               ps3fb_videomemory.address, GPU_IOIF, xdr_lpar,
+               ps3fb_videomemory.size);
+
+       status = lv1_gpu_fb_setup(ps3fb.context_handle, xdr_lpar,
+                                 GPU_CMD_BUF_SIZE, GPU_IOIF);
+       if (status) {
+               dev_err(&dev->core, "%s: lv1_gpu_fb_setup failed: %d\n",
+                       __func__, status);
+               retval = -ENXIO;
+               goto err_context_unmap;
+       }
 
        info = framebuffer_alloc(sizeof(struct ps3fb_par), &dev->core);
        if (!info)
-               goto err_free_irq;
+               goto err_context_fb_close;
 
        par = info->par;
        par->mode_id = ~ps3fb_mode;     /* != ps3fb_mode, to trigger change */
@@ -1210,7 +1166,7 @@ static int __devinit ps3fb_probe(struct ps3_system_bus_device *dev)
        if (retval < 0)
                goto err_fb_dealloc;
 
-       dev->core.driver_data = info;
+       ps3_system_bus_set_drvdata(dev, info);
 
        dev_info(info->device, "%s %s, using %u KiB of video memory\n",
                 dev_driver_string(info->dev), dev_name(info->dev),
@@ -1232,8 +1188,14 @@ err_fb_dealloc:
        fb_dealloc_cmap(&info->cmap);
 err_framebuffer_release:
        framebuffer_release(info);
+err_context_fb_close:
+       lv1_gpu_fb_close(ps3fb.context_handle);
+err_context_unmap:
+       lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
+                             ps3fb_videomemory.size, CBE_IOPTE_M);
 err_free_irq:
        free_irq(ps3fb.irq_no, &dev->core);
+err_destroy_plug:
        ps3_irq_plug_destroy(ps3fb.irq_no);
 err_iounmap_dinfo:
        iounmap((u8 __force __iomem *)ps3fb.dinfo);
@@ -1241,14 +1203,16 @@ err_gpu_context_free:
        lv1_gpu_context_free(ps3fb.context_handle);
 err_gpu_memory_free:
        lv1_gpu_memory_free(ps3fb.memory_handle);
+err_close_device:
+       ps3_close_hv_device(dev);
 err:
        return retval;
 }
 
 static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
 {
-       int status;
-       struct fb_info *info = dev->core.driver_data;
+       struct fb_info *info = ps3_system_bus_get_drvdata(dev);
+       u64 xdr_lpar = ps3_mm_phys_to_lpar(__pa(ps3fb_videomemory.address));
 
        dev_dbg(&dev->core, " -> %s:%d\n", __func__, __LINE__);
 
@@ -1268,20 +1232,14 @@ static int ps3fb_shutdown(struct ps3_system_bus_device *dev)
                unregister_framebuffer(info);
                fb_dealloc_cmap(&info->cmap);
                framebuffer_release(info);
-               info = dev->core.driver_data = NULL;
+               ps3_system_bus_set_drvdata(dev, NULL);
        }
        iounmap((u8 __force __iomem *)ps3fb.dinfo);
-
-       status = lv1_gpu_context_free(ps3fb.context_handle);
-       if (status)
-               dev_dbg(&dev->core, "lv1_gpu_context_free failed: %d\n",
-                       status);
-
-       status = lv1_gpu_memory_free(ps3fb.memory_handle);
-       if (status)
-               dev_dbg(&dev->core, "lv1_gpu_memory_free failed: %d\n",
-                       status);
-
+       lv1_gpu_fb_close(ps3fb.context_handle);
+       lv1_gpu_context_iomap(ps3fb.context_handle, GPU_IOIF, xdr_lpar,
+                             ps3fb_videomemory.size, CBE_IOPTE_M);
+       lv1_gpu_context_free(ps3fb.context_handle);
+       lv1_gpu_memory_free(ps3fb.memory_handle);
        ps3_close_hv_device(dev);
        dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__);
 
diff --git a/include/asm-generic/atomic64.h b/include/asm-generic/atomic64.h
new file mode 100644 (file)
index 0000000..b18ce4f
--- /dev/null
@@ -0,0 +1,42 @@
+/*
+ * Generic implementation of 64-bit atomics using spinlocks,
+ * useful on processors that don't have 64-bit atomic instructions.
+ *
+ * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com>
+ *
+ * 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#ifndef _ASM_GENERIC_ATOMIC64_H
+#define _ASM_GENERIC_ATOMIC64_H
+
+typedef struct {
+       long long counter;
+} atomic64_t;
+
+#define ATOMIC64_INIT(i)       { (i) }
+
+extern long long atomic64_read(const atomic64_t *v);
+extern void     atomic64_set(atomic64_t *v, long long i);
+extern void     atomic64_add(long long a, atomic64_t *v);
+extern long long atomic64_add_return(long long a, atomic64_t *v);
+extern void     atomic64_sub(long long a, atomic64_t *v);
+extern long long atomic64_sub_return(long long a, atomic64_t *v);
+extern long long atomic64_dec_if_positive(atomic64_t *v);
+extern long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n);
+extern long long atomic64_xchg(atomic64_t *v, long long new);
+extern int      atomic64_add_unless(atomic64_t *v, long long a, long long u);
+
+#define atomic64_add_negative(a, v)    (atomic64_add_return((a), (v)) < 0)
+#define atomic64_inc(v)                        atomic64_add(1LL, (v))
+#define atomic64_inc_return(v)         atomic64_add_return(1LL, (v))
+#define atomic64_inc_and_test(v)       (atomic64_inc_return(v) == 0)
+#define atomic64_sub_and_test(a, v)    (atomic64_sub_return((a), (v)) == 0)
+#define atomic64_dec(v)                        atomic64_sub(1LL, (v))
+#define atomic64_dec_return(v)         atomic64_sub_return(1LL, (v))
+#define atomic64_dec_and_test(v)       (atomic64_dec_return((v)) == 0)
+#define atomic64_inc_not_zero(v)       atomic64_add_unless((v), 1LL, 0LL)
+
+#endif  /*  _ASM_GENERIC_ATOMIC64_H  */
index 12737be58601108f81f486fcdfac99c4875d8fb5..2a04eb54c0dd05b8eda048c8463b9a8eddabde46 100644 (file)
@@ -590,6 +590,11 @@ static inline void bio_list_merge_head(struct bio_list *bl,
        bl->head = bl2->head;
 }
 
+static inline struct bio *bio_list_peek(struct bio_list *bl)
+{
+       return bl->head;
+}
+
 static inline struct bio *bio_list_pop(struct bio_list *bl)
 {
        struct bio *bio = bl->head;
index 9960be04cbbe608cad81733096dd49d73928dbba..bb1326d3839c9aaa468e6ad501a1087389b1934f 100644 (file)
@@ -194,4 +194,10 @@ config DISABLE_OBSOLETE_CPUMASK_FUNCTIONS
 config NLATTR
        bool
 
+#
+# Generic 64-bit atomic support is selected if needed
+#
+config GENERIC_ATOMIC64
+       bool
+
 endmenu
index 34c5c0e6222ecf289112358c44751badd60569ab..8e9bcf9d3261cb09b91cb6f42e2e5750c8b16812 100644 (file)
@@ -95,6 +95,8 @@ obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o
 
 obj-$(CONFIG_GENERIC_CSUM) += checksum.o
 
+obj-$(CONFIG_GENERIC_ATOMIC64) += atomic64.o
+
 hostprogs-y    := gen_crc32table
 clean-files    := crc32table.h
 
diff --git a/lib/atomic64.c b/lib/atomic64.c
new file mode 100644 (file)
index 0000000..c5e7255
--- /dev/null
@@ -0,0 +1,175 @@
+/*
+ * Generic implementation of 64-bit atomics using spinlocks,
+ * useful on processors that don't have 64-bit atomic instructions.
+ *
+ * Copyright © 2009 Paul Mackerras, IBM Corp. <paulus@au1.ibm.com>
+ *
+ * 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; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+#include <linux/types.h>
+#include <linux/cache.h>
+#include <linux/spinlock.h>
+#include <linux/init.h>
+#include <asm/atomic.h>
+
+/*
+ * We use a hashed array of spinlocks to provide exclusive access
+ * to each atomic64_t variable.  Since this is expected to used on
+ * systems with small numbers of CPUs (<= 4 or so), we use a
+ * relatively small array of 16 spinlocks to avoid wasting too much
+ * memory on the spinlock array.
+ */
+#define NR_LOCKS       16
+
+/*
+ * Ensure each lock is in a separate cacheline.
+ */
+static union {
+       spinlock_t lock;
+       char pad[L1_CACHE_BYTES];
+} atomic64_lock[NR_LOCKS] __cacheline_aligned_in_smp;
+
+static inline spinlock_t *lock_addr(const atomic64_t *v)
+{
+       unsigned long addr = (unsigned long) v;
+
+       addr >>= L1_CACHE_SHIFT;
+       addr ^= (addr >> 8) ^ (addr >> 16);
+       return &atomic64_lock[addr & (NR_LOCKS - 1)].lock;
+}
+
+long long atomic64_read(const atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+void atomic64_set(atomic64_t *v, long long i)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+
+       spin_lock_irqsave(lock, flags);
+       v->counter = i;
+       spin_unlock_irqrestore(lock, flags);
+}
+
+void atomic64_add(long long a, atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+
+       spin_lock_irqsave(lock, flags);
+       v->counter += a;
+       spin_unlock_irqrestore(lock, flags);
+}
+
+long long atomic64_add_return(long long a, atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter += a;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+void atomic64_sub(long long a, atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+
+       spin_lock_irqsave(lock, flags);
+       v->counter -= a;
+       spin_unlock_irqrestore(lock, flags);
+}
+
+long long atomic64_sub_return(long long a, atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter -= a;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+long long atomic64_dec_if_positive(atomic64_t *v)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter - 1;
+       if (val >= 0)
+               v->counter = val;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+long long atomic64_cmpxchg(atomic64_t *v, long long o, long long n)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter;
+       if (val == o)
+               v->counter = n;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+long long atomic64_xchg(atomic64_t *v, long long new)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       long long val;
+
+       spin_lock_irqsave(lock, flags);
+       val = v->counter;
+       v->counter = new;
+       spin_unlock_irqrestore(lock, flags);
+       return val;
+}
+
+int atomic64_add_unless(atomic64_t *v, long long a, long long u)
+{
+       unsigned long flags;
+       spinlock_t *lock = lock_addr(v);
+       int ret = 1;
+
+       spin_lock_irqsave(lock, flags);
+       if (v->counter != u) {
+               v->counter += a;
+               ret = 0;
+       }
+       spin_unlock_irqrestore(lock, flags);
+       return ret;
+}
+
+static int init_atomic64_lock(void)
+{
+       int i;
+
+       for (i = 0; i < NR_LOCKS; ++i)
+               spin_lock_init(&atomic64_lock[i].lock);
+       return 0;
+}
+
+pure_initcall(init_atomic64_lock);