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authorAlan Cox <alan@linux.intel.com>2009-08-06 20:45:07 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-15 12:02:12 -0700
commitf5e3980f9b28b703bc009af9dfa33ae2236503da (patch)
tree8d63e5b932f32b5a9c38b733c6928206346f159f /drivers/staging/sep
parent6a107539899803c1f8f36bcd3cc5a3c68660bd13 (diff)
Staging: sep: Create a structure to hold all the current crap spewed about as globals
For now keep the field names matching the variable names Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/sep')
-rw-r--r--drivers/staging/sep/sep_dev.h119
-rw-r--r--drivers/staging/sep/sep_driver_config.h2
-rw-r--r--drivers/staging/sep/sep_driver_ext_api.h2
-rw-r--r--drivers/staging/sep/sep_ext_with_pci_driver.c180
-rw-r--r--drivers/staging/sep/sep_main_mod.c319
5 files changed, 338 insertions, 284 deletions
diff --git a/drivers/staging/sep/sep_dev.h b/drivers/staging/sep/sep_dev.h
new file mode 100644
index 00000000000..b3d48e16dc6
--- /dev/null
+++ b/drivers/staging/sep/sep_dev.h
@@ -0,0 +1,119 @@
+#ifndef __SEP_DEV_H__
+#define __SEP_DEV_H__
+
+/*
+ *
+ * sep_dev.h - Security Processor Device Structures
+ *
+ * Copyright(c) 2009 Intel Corporation. All rights reserved.
+ * Copyright(c) 2009 Discretix. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * CONTACTS:
+ *
+ * Alan Cox alan@linux.intel.com
+ *
+ */
+
+struct sep_device {
+ /* pointer to pci dev */
+ struct pci_dev *sep_pci_dev_ptr;
+
+ unsigned long io_memory_start_physical_address;
+ unsigned long io_memory_end_physical_address;
+ unsigned long io_memory_size;
+ void *io_memory_start_virtual_address;
+
+ /* restricted access region */
+ unsigned long rar_physical_address;
+ void *rar_virtual_address;
+
+ /* shared memory region */
+ unsigned long shared_physical_address;
+ void *shared_virtual_address;
+
+ /* firmware regions */
+ unsigned long cache_physical_address;
+ unsigned long cache_size;
+ void *cache_virtual_address;
+
+ unsigned long resident_physical_address;
+ unsigned long resident_size;
+ void *resident_virtual_address;
+
+ /* device interrupt (as retrieved from PCI) */
+ int sep_irq;
+
+ unsigned long rar_region_addr;
+
+ /* start address of the access to the SEP registers from driver */
+ unsigned long reg_base_address;
+ /* transaction counter that coordinates the transactions between SEP and HOST */
+ unsigned long host_to_sep_send_counter;
+ /* counter for the messages from sep */
+ unsigned long sep_to_host_reply_counter;
+ /* counter for the number of bytes allocated in the pool for the current
+ transaction */
+ unsigned long data_pool_bytes_allocated;
+
+ /* array of pointers to the pages that represent input data for the synchronic
+ DMA action */
+ struct page **in_page_array;
+
+ /* array of pointers to the pages that represent out data for the synchronic
+ DMA action */
+ struct page **out_page_array;
+
+ /* number of pages in the sep_in_page_array */
+ unsigned long in_num_pages;
+
+ /* number of pages in the sep_out_page_array */
+ unsigned long out_num_pages;
+
+ /* global data for every flow */
+ struct sep_flow_context_t flows_data_array[SEP_DRIVER_NUM_FLOWS];
+
+ /* flag for API mode - 1 -is blocking, 0 is non-blocking */
+ unsigned long block_mode_flag;
+
+ /* pointer to the workqueue that handles the flow done interrupts */
+ struct workqueue_struct *flow_wq_ptr;
+
+ /* address of the shared memory allocated during init for SEP driver */
+ unsigned long shared_area_addr;
+ /* the physical address of the shared area */
+ unsigned long phys_shared_area_addr;
+
+ /* Message Shared Area start address - will be allocated during init */
+ unsigned long message_shared_area_addr;
+};
+
+extern struct sep_device *sep_dev;
+
+extern inline void sep_write_reg(struct sep_device *dev, int reg, u32 value)
+{
+ void __iomem *addr = dev->reg_base_address + reg;
+ writel(value, reg);
+}
+
+extern inline u32 sep_read_reg(struct sep_device *dev, int reg)
+{
+ void __iomem *addr = dev->reg_base_address + reg;
+ return readl(reg);
+}
+
+#endif
+
diff --git a/drivers/staging/sep/sep_driver_config.h b/drivers/staging/sep/sep_driver_config.h
index a796c4970a0..48f159179a1 100644
--- a/drivers/staging/sep/sep_driver_config.h
+++ b/drivers/staging/sep/sep_driver_config.h
@@ -297,7 +297,7 @@ do { \
do { \
unsigned long reg_val; \
do { \
- SEP_READ_REGISTER(g_sep_reg_base_address + \
+ SEP_READ_REGISTER(sep_dev->reg_base_address + \
HW_SRAM_DATA_READY_REG_ADDR, (reg_val)); \
} while (!(reg_val & 0x1)); \
} while (0)
diff --git a/drivers/staging/sep/sep_driver_ext_api.h b/drivers/staging/sep/sep_driver_ext_api.h
index 3bc3b4de99c..00cee012559 100644
--- a/drivers/staging/sep/sep_driver_ext_api.h
+++ b/drivers/staging/sep/sep_driver_ext_api.h
@@ -36,8 +36,6 @@
/* shared variables */
extern int sepDebug;
-extern unsigned long g_sep_reg_base_address;
-
/*
this function loads the ROM code in SEP (needed only in the debug mode on FPGA)
*/
diff --git a/drivers/staging/sep/sep_ext_with_pci_driver.c b/drivers/staging/sep/sep_ext_with_pci_driver.c
index bac0dd0af85..4840ed20eee 100644
--- a/drivers/staging/sep/sep_ext_with_pci_driver.c
+++ b/drivers/staging/sep/sep_ext_with_pci_driver.c
@@ -51,6 +51,7 @@
#include "sep_driver_config.h"
#include "sep_driver_api.h"
#include "sep_driver_ext_api.h"
+#include "sep_dev.h"
#if SEP_DRIVER_ARM_DEBUG_MODE
@@ -91,32 +92,10 @@ static unsigned long CRYS_SEP_ROM[] = {
irqreturn_t sep_inthandler(int irq , void* dev_id);
+/* Keep this a single static object for now to keep the conversion easy */
-/* io memory (register area) */
-static unsigned long io_memory_start_physical_address;
-static unsigned long io_memory_end_physical_address;
-static unsigned long io_memory_size;
-void *io_memory_start_virtual_address;
-
-/* restricted access region */
-static unsigned long rar_physical_address;
-static void *rar_virtual_address;
-
-/* shared memory region */
-static unsigned long shared_physical_address;
-static void *shared_virtual_address;
-
-/* firmware regions */
-static unsigned long cache_physical_address;
-static unsigned long cache_size;
-static void *cache_virtual_address;
-
-static unsigned long resident_physical_address;
-static unsigned long resident_size;
-static void *resident_virtual_address;
-
-/* device interrupt (as retrieved from PCI) */
-int sep_irq;
+static struct sep_device sep_instance;
+struct sep_device *sep_dev = &sep_instance;
/* temporary */
unsigned long jiffies_future;
@@ -138,7 +117,6 @@ static struct pci_device_id sep_pci_id_tbl[] = {
MODULE_DEVICE_TABLE(pci, sep_pci_id_tbl);
-static unsigned long rar_region_addr;
/* field for registering driver to PCI device */
@@ -148,8 +126,6 @@ static struct pci_driver sep_pci_driver = {
.probe = sep_probe
};
-/* pointer to pci dev received during probe */
-struct pci_dev *sep_pci_dev_ptr;
/*
This functions locks the area of the resisnd and cache sep code
@@ -193,18 +169,18 @@ int sep_copy_cache_resident_to_area(unsigned long src_cache_addr,
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:rar_virtual is %p\n",
- rar_virtual_address);
+ sep_dev->rar_virtual_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:rar_physical is %08lx\n",
- rar_physical_address);
+ sep_dev->rar_physical_address);
- rar_region_addr = (unsigned long)rar_virtual_address;
+ sep_dev->rar_region_addr = (unsigned long)sep_dev->rar_virtual_address;
- cache_physical_address = rar_physical_address;
- cache_virtual_address = rar_virtual_address;
+ sep_dev->cache_physical_address = sep_dev->rar_physical_address;
+ sep_dev->cache_virtual_address = sep_dev->rar_virtual_address;
/* load cache */
- error = request_firmware(&fw, cache_name, &sep_pci_dev_ptr->dev);
+ error = request_firmware(&fw, cache_name, &sep_dev->sep_pci_dev_ptr->dev);
if (error) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:cant request cache fw\n");
@@ -218,19 +194,21 @@ int sep_copy_cache_resident_to_area(unsigned long src_cache_addr,
"SEP Driver:cache data size is %08Zx\n",
fw->size);
- memcpy((void *)cache_virtual_address, (void *)fw->data, fw->size);
+ memcpy((void *)sep_dev->cache_virtual_address, (void *)fw->data, fw->size);
- cache_size = fw->size;
+ sep_dev->cache_size = fw->size;
- cache_addr = (unsigned long)cache_virtual_address;
+ cache_addr = (unsigned long)sep_dev->cache_virtual_address;
release_firmware(fw);
- resident_physical_address = cache_physical_address+cache_size;
- resident_virtual_address = cache_virtual_address+cache_size;
+ sep_dev->resident_physical_address = sep_dev->cache_physical_address
+ + sep_dev->cache_size;
+ sep_dev->resident_virtual_address = sep_dev->cache_virtual_address
+ + sep_dev->cache_size;
/* load resident */
- error = request_firmware(&fw, res_name, &sep_pci_dev_ptr->dev);
+ error = request_firmware(&fw, res_name, &sep_dev->sep_pci_dev_ptr->dev);
if (error) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:cant request res fw\n");
@@ -244,20 +222,20 @@ int sep_copy_cache_resident_to_area(unsigned long src_cache_addr,
"SEP Driver:res data size is %08Zx\n",
fw->size);
- memcpy((void *)resident_virtual_address, (void *)fw->data, fw->size);
+ memcpy((void *)sep_dev->resident_virtual_address, (void *)fw->data, fw->size);
- resident_size = fw->size;
+ sep_dev->resident_size = fw->size;
release_firmware(fw);
- resident_addr = (unsigned long)resident_virtual_address;
+ resident_addr = (unsigned long)sep_dev->resident_virtual_address;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:resident_addr (physical )is %08lx\n",
- resident_physical_address);
+ sep_dev->resident_physical_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:cache_addr (physical) is %08lx\n",
- cache_physical_address);
+ sep_dev->cache_physical_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:resident_addr (logical )is %08lx\n",
@@ -267,15 +245,15 @@ int sep_copy_cache_resident_to_area(unsigned long src_cache_addr,
cache_addr);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "SEP Driver:resident_size is %08lx\n", resident_size);
+ "SEP Driver:resident_size is %08lx\n", sep_dev->resident_size);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "SEP Driver:cache_size is %08lx\n", cache_size);
+ "SEP Driver:cache_size is %08lx\n", sep_dev->cache_size);
/* physical addresses */
- *dst_new_cache_addr_ptr = cache_physical_address;
- *dst_new_resident_addr_ptr = resident_physical_address;
+ *dst_new_cache_addr_ptr = sep_dev->cache_physical_address;
+ *dst_new_resident_addr_ptr = sep_dev->resident_physical_address;
end_function:
@@ -297,23 +275,24 @@ int sep_map_and_alloc_shared_area(unsigned long shared_area_size,
unsigned long *phys_shared_area_addr_ptr)
{
// shared_virtual_address = ioremap_nocache(0xda00000,shared_area_size);
- shared_virtual_address = kmalloc(shared_area_size, GFP_KERNEL);
- if (!shared_virtual_address) {
+ sep_dev->shared_virtual_address = kmalloc(shared_area_size, GFP_KERNEL);
+ if (!sep_dev->shared_virtual_address) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"sep_driver:shared memory kmalloc failed\n");
return -1;
}
- shared_physical_address = __pa(shared_virtual_address);
+ /* FIXME */
+ sep_dev->shared_physical_address = __pa(sep_dev->shared_virtual_address);
// shared_physical_address = 0xda00000;
- *kernel_shared_area_addr_ptr = (unsigned long)shared_virtual_address;
+ *kernel_shared_area_addr_ptr = (unsigned long)sep_dev->shared_virtual_address;
/* set the physical address of the shared area */
- *phys_shared_area_addr_ptr = shared_physical_address;
+ *phys_shared_area_addr_ptr = sep_dev->shared_physical_address;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:shared_virtual_address is %p\n",
- shared_virtual_address);
+ sep_dev->shared_virtual_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:shared_region_size is %08lx\n",
shared_area_size);
@@ -353,11 +332,11 @@ unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address)
virt_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:sh virt to phys p %08lx\n",
- shared_physical_address
- + (virt_address - (unsigned long)shared_virtual_address));
+ sep_dev->shared_physical_address
+ + (virt_address - (unsigned long)sep_dev->shared_virtual_address));
- return (unsigned long)shared_physical_address +
- (virt_address - (unsigned long)shared_virtual_address);
+ return (unsigned long)sep_dev->shared_physical_address +
+ (virt_address - (unsigned long)sep_dev->shared_virtual_address);
}
/*
@@ -368,8 +347,8 @@ unsigned long sep_shared_area_virt_to_phys(unsigned long virt_address)
*/
unsigned long sep_shared_area_phys_to_virt(unsigned long phys_address)
{
- return (unsigned long)shared_virtual_address
- + (phys_address - shared_physical_address);
+ return (unsigned long)sep_dev->shared_virtual_address
+ + (phys_address - sep_dev->shared_physical_address);
}
@@ -399,43 +378,43 @@ static int __devinit sep_probe(struct pci_dev *pdev,
}
/* set the pci dev pointer */
- sep_pci_dev_ptr = pdev;
+ sep_dev->sep_pci_dev_ptr = pdev;
/* get the io memory start address */
- io_memory_start_physical_address = pci_resource_start(pdev, 0);
- if (!io_memory_start_physical_address) {
+ sep_dev->io_memory_start_physical_address = pci_resource_start(pdev, 0);
+ if (!sep_dev->io_memory_start_physical_address) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver error pci resource start\n");
goto end_function;
}
/* get the io memory end address */
- io_memory_end_physical_address = pci_resource_end(pdev, 0);
- if (!io_memory_end_physical_address) {
+ sep_dev->io_memory_end_physical_address = pci_resource_end(pdev, 0);
+ if (!sep_dev->io_memory_end_physical_address) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver error pci resource end\n");
goto end_function;
}
- io_memory_size = io_memory_end_physical_address -
- io_memory_start_physical_address + 1;
+ sep_dev->io_memory_size = sep_dev->io_memory_end_physical_address -
+ sep_dev->io_memory_start_physical_address + 1;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:io_memory_start_physical_address is %08lx\n",
- io_memory_start_physical_address);
+ sep_dev->io_memory_start_physical_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:io_memory_end_phyaical_address is %08lx\n",
- io_memory_end_physical_address);
+ sep_dev->io_memory_end_physical_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:io_memory_size is %08lx\n",
- io_memory_size);
+ sep_dev->io_memory_size);
- io_memory_start_virtual_address =
- ioremap_nocache(io_memory_start_physical_address,
- io_memory_size);
- if (!io_memory_start_virtual_address) {
+ sep_dev->io_memory_start_virtual_address =
+ ioremap_nocache(sep_dev->io_memory_start_physical_address,
+ sep_dev->io_memory_size);
+ if (!sep_dev->io_memory_start_virtual_address) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver error ioremap of io memory\n");
goto end_function;
@@ -443,31 +422,31 @@ static int __devinit sep_probe(struct pci_dev *pdev,
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:io_memory_start_virtual_address is %p\n",
- io_memory_start_virtual_address);
+ sep_dev->io_memory_start_virtual_address);
- g_sep_reg_base_address = (unsigned long)io_memory_start_virtual_address;
+ sep_dev->reg_base_address = (unsigned long)sep_dev->io_memory_start_virtual_address;
/* set up system base address and shared memory location */
- rar_virtual_address = kmalloc(2 * SEP_RAR_IO_MEM_REGION_SIZE,
+ sep_dev->rar_virtual_address = kmalloc(2 * SEP_RAR_IO_MEM_REGION_SIZE,
GFP_KERNEL);
- if (!rar_virtual_address) {
+ if (!sep_dev->rar_virtual_address) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:cant kmalloc rar\n");
goto end_function;
}
-
- rar_physical_address = __pa(rar_virtual_address);
+ /* FIXME */
+ sep_dev->rar_physical_address = __pa(sep_dev->rar_virtual_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:rar_physical is %08lx\n",
- rar_physical_address);
+ sep_dev->rar_physical_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:rar_virtual is %p\n",
- rar_virtual_address);
+ sep_dev->rar_virtual_address);
#if !SEP_DRIVER_POLLING_MODE
@@ -476,15 +455,16 @@ static int __devinit sep_probe(struct pci_dev *pdev,
"SEP Driver: about to write IMR and ICR REG_ADDR\n");
/* clear ICR register */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_ICR_REG_ADDR,
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_ICR_REG_ADDR,
0xFFFFFFFF);
/* set the IMR register - open only GPR 2 */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_IMR_REG_ADDR,
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_IMR_REG_ADDR,
(~(0x1 << 13)));
/* figure out our irq */
- error = pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, (u8 *)&sep_irq);
+ /* FIXME: */
+ error = pci_read_config_byte(pdev, PCI_INTERRUPT_LINE, (u8 *)&sep_dev->sep_irq);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: my irq is %d\n", sep_irq);
@@ -493,7 +473,7 @@ static int __devinit sep_probe(struct pci_dev *pdev,
"SEP Driver: about to call request_irq\n");
/* get the interrupt line */
error = request_irq(sep_irq, sep_inthandler, IRQF_SHARED,
- "sep_driver", &g_sep_reg_base_address);
+ "sep_driver", &sep_dev->reg_base_address);
if (error)
goto end_function;
@@ -502,7 +482,7 @@ static int __devinit sep_probe(struct pci_dev *pdev,
"SEP Driver: about to write IMR REG_ADDR");
/* set the IMR register - open only GPR 2 */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_IMR_REG_ADDR,
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_IMR_REG_ADDR,
(~(0x1 << 13)));
#endif /* SEP_DRIVER_POLLING_MODE */
@@ -523,7 +503,7 @@ int sep_register_driver_to_device(void)
-void sep_load_rom_code()
+void sep_load_rom_code(void)
{
#if SEP_DRIVER_ARM_DEBUG_MODE
/* Index variables */
@@ -541,19 +521,19 @@ void sep_load_rom_code()
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: k is %lu\n", k);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "SEP Driver: g_sep_reg_base_address is %p\n",
- g_sep_reg_base_address);
+ "SEP Driver: sep_dev->reg_base_address is %p\n",
+ sep_dev->reg_base_address);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: CRYS_SEP_ROM_start_address_offset is %p\n",
CRYS_SEP_ROM_start_address_offset);
for (i = 0; i < 4; i++) {
/* write bank */
- SEP_WRITE_REGISTER(g_sep_reg_base_address
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address
+ SEP_ROM_BANK_register_offset, i);
for (j = 0; j < CRYS_SEP_ROM_length / 4; j++) {
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
CRYS_SEP_ROM_start_address_offset + 4*j,
CRYS_SEP_ROM[i * 0x1000 + j]);
@@ -567,12 +547,12 @@ void sep_load_rom_code()
}
/* reset the SEP*/
- SEP_WRITE_REGISTER(g_sep_reg_base_address
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_SW_RST_REG_ADDR, 0x1);
/* poll for SEP ROM boot finish */
do {
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR3_REG_ADDR, regVal);
} while (!regVal);
@@ -582,21 +562,21 @@ void sep_load_rom_code()
switch (regVal) {
case 0x1:
/* fatal error - read erro status from GPRO */
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR0_REG_ADDR, Error);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: ROM polling case 1\n");
break;
case 0x2:
/* Boot First Phase ended */
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR0_REG_ADDR, warning);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: ROM polling case 2\n");
break;
case 0x4:
/* Cold boot ended successfully */
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR0_REG_ADDR, warning);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: ROM polling case 4\n");
@@ -604,7 +584,7 @@ void sep_load_rom_code()
break;
case 0x8:
/* Warmboot ended successfully */
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR0_REG_ADDR, warning);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: ROM polling case 8\n");
@@ -612,7 +592,7 @@ void sep_load_rom_code()
break;
case 0x10:
/* ColdWarm boot ended successfully */
- SEP_READ_REGISTER(g_sep_reg_base_address
+ SEP_READ_REGISTER(sep_dev->reg_base_address
+ HW_HOST_SEP_HOST_GPR0_REG_ADDR, warning);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: ROM polling case 16\n");
diff --git a/drivers/staging/sep/sep_main_mod.c b/drivers/staging/sep/sep_main_mod.c
index 158c462135b..efbb1a2f08d 100644
--- a/drivers/staging/sep/sep_main_mod.c
+++ b/drivers/staging/sep/sep_main_mod.c
@@ -48,6 +48,7 @@
#include "sep_driver_config.h"
#include "sep_driver_api.h"
#include "sep_driver_ext_api.h"
+#include "sep_dev.h"
/*----------------------------------------
DEFINES
@@ -70,15 +71,6 @@
INT_MODULE_PARM(sepDebug, 0x0);
MODULE_PARM_DESC(sepDebug, "Flag to enable SEP debug messages");
-/* address of the shared memory allocated during init for SEP driver */
-static unsigned long g_sep_shared_area_addr;
-
-/* the physical address of the shared area */
-static unsigned long g_sep_phys_shared_area_addr;
-
-/* Message Shared Area start address - will be allocated during init */
-static unsigned long g_message_shared_area_addr;
-
/* major and minor device numbers */
static dev_t g_sep_device_number;
@@ -95,44 +87,9 @@ static DEFINE_MUTEX(sep_mutex);
/* wait queue head (event) of the driver */
-DECLARE_WAIT_QUEUE_HEAD(g_sep_event);
-
-
-/* start address of the access to the SEP registers from driver */
-unsigned long g_sep_reg_base_address;
-
-/* transaction counter that coordinates the transactions between SEP and HOST */
-static unsigned long sep_host_to_sep_send_counter;
-
-/* counter for the messages from sep */
-static unsigned long sep_sep_to_host_reply_counter;
-
-/* counter for the number of bytes allocated in the pool for the current
-transaction */
-static unsigned long sep_data_pool_bytes_allocated;
-
-/* array of pointers to the pages that represent input data for the synchronic
-DMA action */
-struct page **sep_in_page_array;
-
-/* array of pointers to the pages that represent out data for the synchronic
-DMA action */
-struct page **sep_out_page_array;
-
-/* number of pages in the sep_in_page_array */
-unsigned long sep_in_num_pages;
-
-/* number of pages in the sep_out_page_array */
-unsigned long sep_out_num_pages;
-
-/* global data for every flow */
-static struct sep_flow_context_t g_sep_flows_data_array[SEP_DRIVER_NUM_FLOWS];
+static DECLARE_WAIT_QUEUE_HEAD(g_sep_event);
-/* flag for API mode - 1 -is blocking, 0 is non-blocking */
-static unsigned long g_sep_block_mode_flag;
-/* pointer to the workqueue that handles the flow done interrupts */
-static struct workqueue_struct *g_sep_flow_wq_ptr;
/*------------------------------------------------
PROTOTYPES
@@ -391,7 +348,7 @@ void sep_unlock()
*/
void sep_map_shared_area(unsigned long *mappedAddr_ptr)
{
- *mappedAddr_ptr = g_sep_shared_area_addr;
+ *mappedAddr_ptr = sep_dev->shared_area_addr;
}
/*
@@ -416,16 +373,16 @@ void sep_driver_poll()
#ifdef SEP_DRIVER_POLLING_MODE
- while (sep_host_to_sep_send_counter != (retVal & 0x7FFFFFFF))
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ while (sep_dev->host_to_sep_send_counter != (retVal & 0x7FFFFFFF))
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR2_REG_ADDR,
retVal);
- sep_sep_to_host_reply_counter++;
+ sep_dev->sep_to_host_reply_counter++;
#else
/* poll, until reply from sep */
wait_event(g_sep_event,
- (sep_host_to_sep_send_counter == sep_sep_to_host_reply_counter));
+ (sep_dev->host_to_sep_send_counter == sep_dev->sep_to_host_reply_counter));
#endif
}
@@ -448,7 +405,7 @@ static int sep_open(struct inode *inode_ptr, struct file *file_ptr)
error = 0;
/* check the blocking mode */
- if (g_sep_block_mode_flag)
+ if (sep_dev->block_mode_flag)
/* lock mutex */
mutex_lock(&sep_mutex);
else
@@ -463,7 +420,7 @@ static int sep_open(struct inode *inode_ptr, struct file *file_ptr)
}
/* release data pool allocations */
- sep_data_pool_bytes_allocated = 0;
+ sep_dev->data_pool_bytes_allocated = 0;
end_function:
@@ -489,10 +446,10 @@ static int sep_release(struct inode *inode_ptr, struct file *file_ptr)
#if 0/*!SEP_DRIVER_POLLING_MODE*/
/* close IMR */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_IMR_REG_ADDR, 0x7FFF);
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_IMR_REG_ADDR, 0x7FFF);
/* release IRQ line */
- free_irq(SEP_DIRVER_IRQ_NUM, &g_sep_reg_base_address);
+ free_irq(SEP_DIRVER_IRQ_NUM, &sep_dev->reg_base_address);
#endif
@@ -538,10 +495,10 @@ static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:g_message_shared_area_addr is %08lx\n",
- g_message_shared_area_addr);
+ sep_dev->message_shared_area_addr);
/* get physical address */
- phys_addr = g_sep_phys_shared_area_addr;
+ phys_addr = sep_dev->phys_shared_area_addr;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED, "SEP Driver: phys_addr is %08lx\n",
phys_addr);
@@ -584,8 +541,8 @@ static unsigned int sep_poll(struct file *filp, poll_table *wait)
#if SEP_DRIVER_POLLING_MODE
- while (sep_host_to_sep_send_counter != (retVal & 0x7FFFFFFF)) {
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ while (sep_dev->host_to_sep_send_counter != (retVal & 0x7FFFFFFF)) {
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR2_REG_ADDR,
retVal);
@@ -593,11 +550,11 @@ static unsigned int sep_poll(struct file *filp, poll_table *wait)
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"Poll Debug Word %lu of the message is %lu\n",
count,
- *((unsigned long *)(g_sep_shared_area_addr +
+ *((unsigned long *)(sep_dev->shared_area_addr +
SEP_DRIVER_MESSAGE_SHARED_AREA_SIZE_IN_BYTES + count)));
}
- sep_sep_to_host_reply_counter++;
+ sep_dev->sep_to_host_reply_counter++;
#else
/* add the event to the polling wait table */
poll_wait(filp, &g_sep_event, wait);
@@ -605,26 +562,26 @@ static unsigned int sep_poll(struct file *filp, poll_table *wait)
#endif
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "sep_host_to_sep_send_counter is %lu\n",
- sep_host_to_sep_send_counter);
+ "sep_dev->host_to_sep_send_counter is %lu\n",
+ sep_dev->host_to_sep_send_counter);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "sep_sep_to_host_reply_counter is %lu\n",
- sep_sep_to_host_reply_counter);
+ "sep_dev->sep_to_host_reply_counter is %lu\n",
+ sep_dev->sep_to_host_reply_counter);
/* check if the data is ready */
- if (sep_host_to_sep_send_counter == sep_sep_to_host_reply_counter) {
+ if (sep_dev->host_to_sep_send_counter == sep_dev->sep_to_host_reply_counter) {
for (count = 0; count < 12 * 4; count += 4)
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"Sep Mesg Word %lu of the message is %lu\n",
- count, *((unsigned long *)(g_sep_shared_area_addr + count)));
+ count, *((unsigned long *)(sep_dev->shared_area_addr + count)));
for (count = 0; count < 10 * 4; count += 4)
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"Debug Data Word %lu of the message is %lu\n",
count,
- *((unsigned long *)(g_sep_shared_area_addr + 0x1800 + count)));
+ *((unsigned long *)(sep_dev->shared_area_addr + 0x1800 + count)));
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR2_REG_ADDR,
retVal);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED, "retVal is %lu\n", retVal);
@@ -900,23 +857,23 @@ static int __init sep_init(void)
"SEP Driver:-------->Init start\n");
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_BASIC,
"g_sep_shared_area_addr = %lx\n",
- (unsigned long)&g_sep_shared_area_addr);
+ (unsigned long)&sep_dev->shared_area_addr);
ret_val = 0;
/* transaction counter that coordinates the transactions between SEP
and HOST */
- sep_host_to_sep_send_counter = 0;
+ sep_dev->host_to_sep_send_counter = 0;
/* counter for the messages from sep */
- sep_sep_to_host_reply_counter = 0;
+ sep_dev->sep_to_host_reply_counter = 0;
/* counter for the number of bytes allocated in the pool
for the current transaction */
- sep_data_pool_bytes_allocated = 0;
+ sep_dev->data_pool_bytes_allocated = 0;
/* set the starting mode to blocking */
- g_sep_block_mode_flag = 1;
+ sep_dev->block_mode_flag = 1;
ret_val = sep_register_driver_to_device();
@@ -939,36 +896,36 @@ for the current transaction */
/* allocate the shared area */
if (sep_map_and_alloc_shared_area(size,
- &g_sep_shared_area_addr,
- &g_sep_phys_shared_area_addr)) {
+ &sep_dev->shared_area_addr,
+ &sep_dev->phys_shared_area_addr)) {
ret_val = -ENOMEM;
/* allocation failed */
goto end_function_unmap_io_memory;
}
/* now set the memory regions */
- g_message_shared_area_addr = g_sep_shared_area_addr;
+ sep_dev->message_shared_area_addr = sep_dev->shared_area_addr;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: g_message_shared_area_addr is %08lx\n",
- g_message_shared_area_addr);
+ sep_dev->message_shared_area_addr);
#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1)
/* send the new SHARED MESSAGE AREA to the SEP */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_HOST_SEP_GPR1_REG_ADDR,
- g_sep_phys_shared_area_addr);
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_HOST_SEP_GPR1_REG_ADDR,
+ sep_dev->phys_shared_area_addr);
/* poll for SEP response */
- SEP_READ_REGISTER(g_sep_reg_base_address + HW_HOST_SEP_HOST_GPR1_REG_ADDR,
+ SEP_READ_REGISTER(sep_dev->reg_base_address + HW_HOST_SEP_HOST_GPR1_REG_ADDR,
retVal);
- while (retVal != 0xffffffff && retVal != g_sep_phys_shared_area_addr)
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ while (retVal != 0xffffffff && retVal != sep_dev->phys_shared_area_addr)
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR1_REG_ADDR,
retVal);
/* check the return value (register) */
- if (retVal != g_sep_phys_shared_area_addr) {
+ if (retVal != sep_dev->phys_shared_area_addr) {
ret_val = -ENOMEM;
goto end_function_deallocate_message_area;
}
@@ -977,10 +934,10 @@ for the current transaction */
/* init the flow contextes */
for (counter = 0; counter < SEP_DRIVER_NUM_FLOWS; counter++)
- g_sep_flows_data_array[counter].flow_id = SEP_FREE_FLOW_ID;
+ sep_dev->flows_data_array[counter].flow_id = SEP_FREE_FLOW_ID;
- g_sep_flow_wq_ptr = create_singlethread_workqueue("sepflowwq");
- if (g_sep_flow_wq_ptr == 0) {
+ sep_dev->flow_wq_ptr = create_singlethread_workqueue("sepflowwq");
+ if (sep_dev->flow_wq_ptr == 0) {
ret_val = -ENOMEM;
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"sep_driver:flow queue creation failed\n");
@@ -1009,12 +966,12 @@ end_function_deallocate_sep_shared_area:
/* de-allocate shared area */
sep_unmap_and_free_shared_area(size,
- g_sep_shared_area_addr,
- g_sep_phys_shared_area_addr);
+ sep_dev->shared_area_addr,
+ sep_dev->phys_shared_area_addr);
end_function_unmap_io_memory:
- iounmap((void *)g_sep_reg_base_address);
+ iounmap((void *)sep_dev->reg_base_address);
/* release io memory region */
release_mem_region(SEP_IO_MEM_REGION_START_ADDRESS, SEP_IO_MEM_REGION_SIZE);
@@ -1057,13 +1014,13 @@ static void __exit sep_exit(void)
/* free shared area */
sep_unmap_and_free_shared_area(size,
- g_sep_shared_area_addr,
- g_sep_phys_shared_area_addr);
+ sep_dev->shared_area_addr,
+ sep_dev->phys_shared_area_addr);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: free pages SEP SHARED AREA \n");
- iounmap((void *)g_sep_reg_base_address);
+ iounmap((void *)sep_dev->reg_base_address);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED, "SEP Driver: iounmap \n");
@@ -1103,14 +1060,14 @@ irqreturn_t sep_inthandler(int irq, void *dev_id)
int_error = IRQ_HANDLED;
/* read the IRR register to check if this is SEP interrupt */
- SEP_READ_REGISTER(g_sep_reg_base_address + HW_HOST_IRR_REG_ADDR, reg_val);
+ SEP_READ_REGISTER(sep_dev->reg_base_address + HW_HOST_IRR_REG_ADDR, reg_val);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED, "SEP Interrupt - reg is %08lx\n",
reg_val);
/* check if this is the flow interrupt */
if (0/*reg_val & (0x1 << 11)*/) {
/* read GPRO to find out the which flow is done */
- SEP_READ_REGISTER(g_sep_reg_base_address + HW_HOST_IRR_REG_ADDR,
+ SEP_READ_REGISTER(sep_dev->reg_base_address + HW_HOST_IRR_REG_ADDR,
flow_id);
/* find the contex of the flow */
@@ -1121,13 +1078,13 @@ irqreturn_t sep_inthandler(int irq, void *dev_id)
INIT_WORK(&flow_context_ptr->flow_wq, sep_flow_done_handler);
/* queue the work */
- queue_work(g_sep_flow_wq_ptr, &flow_context_ptr->flow_wq);
+ queue_work(sep_dev->flow_wq_ptr, &flow_context_ptr->flow_wq);
} else {
/* check if this is reply interrupt from SEP */
if (reg_val & (0x1 << 13)) {
/* update the counter of reply messages */
- sep_sep_to_host_reply_counter++;
+ sep_dev->sep_to_host_reply_counter++;
/* wake up the waiting process */
wake_up(&g_sep_event);
@@ -1140,7 +1097,7 @@ irqreturn_t sep_inthandler(int irq, void *dev_id)
end_function_with_error:
/* clear the interrupt */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_ICR_REG_ADDR, reg_val);
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_ICR_REG_ADDR, reg_val);
end_function:
@@ -1201,14 +1158,14 @@ int sep_prepare_input_dma_table(unsigned long app_virt_addr,
block_size);
/* initialize the pages pointers */
- sep_in_page_array = 0;
- sep_in_num_pages = 0;
+ sep_dev->in_page_array = 0;
+ sep_dev->in_num_pages = 0;
if (data_size == 0) {
/* special case - created 2 entries table with zero data */
- in_lli_table_ptr = (struct sep_lli_entry_t *)(g_sep_shared_area_addr +
+ in_lli_table_ptr = (struct sep_lli_entry_t *)(sep_dev->shared_area_addr +
SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES);
- in_lli_table_ptr->physical_address = g_sep_shared_area_addr +
+ in_lli_table_ptr->physical_address = sep_dev->shared_area_addr +
SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
in_lli_table_ptr->block_size = 0;
@@ -1216,7 +1173,7 @@ int sep_prepare_input_dma_table(unsigned long app_virt_addr,
in_lli_table_ptr->physical_address = 0xFFFFFFFF;
in_lli_table_ptr->block_size = 0;
- *lli_table_ptr = g_sep_phys_shared_area_addr +
+ *lli_table_ptr = sep_dev->phys_shared_area_addr +
SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
*num_entries_ptr = 2;
*table_data_size_ptr = 0;
@@ -1229,30 +1186,30 @@ int sep_prepare_input_dma_table(unsigned long app_virt_addr,
/* lock the pages of the kernel buffer and translate them to pages */
result = sep_lock_kernel_pages(app_virt_addr,
data_size,
- &sep_in_num_pages,
+ &sep_dev->in_num_pages,
&lli_array_ptr,
- &sep_in_page_array);
+ &sep_dev->in_page_array);
else
/* lock the pages of the user buffer and translate them to pages */
result = sep_lock_user_pages(app_virt_addr,
data_size,
- &sep_in_num_pages,
+ &sep_dev->in_num_pages,
&lli_array_ptr,
- &sep_in_page_array);
+ &sep_dev->in_page_array);
if (result)
return result;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "SEP Driver:output sep_in_num_pages is %lu\n",
- sep_in_num_pages);
+ "SEP Driver:output sep_dev->in_num_pages is %lu\n",
+ sep_dev->in_num_pages);
current_entry = 0;
info_entry_ptr = 0;
- sep_lli_entries = sep_in_num_pages;
+ sep_lli_entries = sep_dev->in_num_pages;
/* initiate to point after the message area */
- lli_table_alloc_addr = g_sep_shared_area_addr +
+ lli_table_alloc_addr = sep_dev->shared_area_addr +
SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
/* loop till all the entries in in array are not processed */
@@ -1359,17 +1316,17 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
result = 0;
/* initialize the pages pointers */
- sep_in_page_array = 0;
- sep_out_page_array = 0;
+ sep_dev->in_page_array = 0;
+ sep_dev->out_page_array = 0;
/* check if the pages are in Kernel Virtual Address layout */
if (isKernelVirtualAddress == true) {
/* lock the pages of the kernel buffer and translate them to pages */
result = sep_lock_kernel_pages(app_virt_in_addr,
data_size,
- &sep_in_num_pages,
+ &sep_dev->in_num_pages,
&lli_in_array,
- &sep_in_page_array);
+ &sep_dev->in_page_array);
if (result) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: sep_lock_kernel_pages for input virtual buffer failed\n");
@@ -1379,9 +1336,9 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
/* lock the pages of the user buffer and translate them to pages */
result = sep_lock_user_pages(app_virt_in_addr,
data_size,
- &sep_in_num_pages,
+ &sep_dev->in_num_pages,
&lli_in_array,
- &sep_in_page_array);
+ &sep_dev->in_page_array);
if (result) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: sep_lock_user_pages for input virtual buffer failed\n");
@@ -1392,9 +1349,9 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
if (isKernelVirtualAddress == true) {
result = sep_lock_kernel_pages(app_virt_out_addr,
data_size,
- &sep_out_num_pages,
+ &sep_dev->out_num_pages,
&lli_out_array,
- &sep_out_page_array);
+ &sep_dev->out_page_array);
if (result) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: sep_lock_kernel_pages for output virtual buffer failed\n");
@@ -1403,9 +1360,9 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
} else {
result = sep_lock_user_pages(app_virt_out_addr,
data_size,
- &sep_out_num_pages,
+ &sep_dev->out_num_pages,
&lli_out_array,
- &sep_out_page_array);
+ &sep_dev->out_page_array);
if (result) {
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver: sep_lock_user_pages for output virtual buffer failed\n");
@@ -1415,9 +1372,9 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "sep_in_num_pages is %lu\n", sep_in_num_pages);
+ "sep_dev->in_num_pages is %lu\n", sep_dev->in_num_pages);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
- "sep_out_num_pages is %lu\n", sep_out_num_pages);
+ "sep_dev->out_num_pages is %lu\n", sep_dev->out_num_pages);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP is %x\n",
SEP_DRIVER_ENTRIES_PER_TABLE_IN_SEP);
@@ -1425,9 +1382,9 @@ int sep_prepare_input_output_dma_table(unsigned long app_virt_in_addr,
/* call the fucntion that creates table from the lli arrays */
result = sep_construct_dma_tables_from_lli(lli_in_array,
- sep_in_num_pages,
+ sep_dev->in_num_pages,
lli_out_array,
- sep_out_num_pages,
+ sep_dev->out_num_pages,
block_size,
lli_table_in_ptr,
lli_table_out_ptr,
@@ -1531,7 +1488,7 @@ int sep_construct_dma_tables_from_lli(struct sep_lli_entry_t *lli_in_array,
"SEP Driver:--------> sep_construct_dma_tables_from_lli start\n");
/* initiate to pint after the message area */
- lli_table_alloc_addr = g_sep_shared_area_addr +
+ lli_table_alloc_addr = sep_dev->shared_area_addr +
SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
current_in_entry = 0;
@@ -2272,13 +2229,13 @@ static void sep_send_command_handler()
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"Word %lu of the message is %lu\n",
count,
- *((unsigned long *)(g_sep_shared_area_addr + count)));
+ *((unsigned long *)(sep_dev->shared_area_addr + count)));
/* update counter */
- sep_host_to_sep_send_counter++;
+ sep_dev->host_to_sep_send_counter++;
/* send interrupt to SEP */
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
@@ -2305,20 +2262,20 @@ static void sep_send_reply_command_handler()
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"Word %lu of the message is %lu\n",
count,
- *((unsigned long *)(g_sep_shared_area_addr + count)));
+ *((unsigned long *)(sep_dev->shared_area_addr + count)));
/* update counter */
- sep_host_to_sep_send_counter++;
+ sep_dev->host_to_sep_send_counter++;
/* send the interrupt to SEP */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_HOST_SEP_GPR2_REG_ADDR,
- sep_host_to_sep_send_counter);
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_HOST_SEP_GPR2_REG_ADDR,
+ sep_dev->host_to_sep_send_counter);
/* update both counters */
- sep_host_to_sep_send_counter++;
+ sep_dev->host_to_sep_send_counter++;
- sep_sep_to_host_reply_counter++;
+ sep_dev->sep_to_host_reply_counter++;
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_send_reply_command_handler end\n");
@@ -2359,7 +2316,7 @@ static int sep_allocate_data_pool_memory_handler(unsigned long arg)
/* allocate memory */
if (
- (sep_data_pool_bytes_allocated + command_args.num_bytes) >
+ (sep_dev->data_pool_bytes_allocated + command_args.num_bytes) >
SEP_DRIVER_DATA_POOL_SHARED_AREA_SIZE_IN_BYTES) {
error = -ENOTTY;
goto end_function;
@@ -2367,10 +2324,10 @@ static int sep_allocate_data_pool_memory_handler(unsigned long arg)
/* set the virtual and physical address */
command_args.offset = SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES +
- sep_data_pool_bytes_allocated;
- command_args.phys_address = g_sep_phys_shared_area_addr +
+ sep_dev->data_pool_bytes_allocated;
+ command_args.phys_address = sep_dev->phys_shared_area_addr +
SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES +
- sep_data_pool_bytes_allocated;
+ sep_dev->data_pool_bytes_allocated;
/* write the memory back to the user space */
error = copy_to_user((void *)arg,
@@ -2380,7 +2337,7 @@ static int sep_allocate_data_pool_memory_handler(unsigned long arg)
goto end_function;
/* set the allocation */
- sep_data_pool_bytes_allocated += command_args.num_bytes;
+ sep_dev->data_pool_bytes_allocated += command_args.num_bytes;
end_function:
@@ -2435,7 +2392,7 @@ static int sep_write_into_data_pool_handler(unsigned long arg)
goto end_function;
/* calculate the start of the data pool */
- data_pool_area_addr = g_sep_shared_area_addr +
+ data_pool_area_addr = sep_dev->shared_area_addr +
SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
@@ -2505,7 +2462,7 @@ static int sep_read_from_data_pool_handler(unsigned long arg)
goto end_function;
/* calculate the start of the data pool */
- data_pool_area_addr = g_sep_shared_area_addr +
+ data_pool_area_addr = sep_dev->shared_area_addr +
SEP_DRIVER_DATA_POOL_AREA_OFFSET_IN_BYTES;
/* check that the range of the virtual kernel address is correct */
@@ -2620,21 +2577,21 @@ int sep_free_dma_table_data_handler()
"SEP Driver:--------> sep_free_dma_table_data_handler start\n");
/* free input pages array */
- sep_free_dma_pages(sep_in_page_array,
- sep_in_num_pages,
+ sep_free_dma_pages(sep_dev->in_page_array,
+ sep_dev->in_num_pages,
0);
/* free output pages array if needed */
- if (sep_out_page_array)
- sep_free_dma_pages(sep_out_page_array,
- sep_out_num_pages,
+ if (sep_dev->out_page_array)
+ sep_free_dma_pages(sep_dev->out_page_array,
+ sep_dev->out_num_pages,
1);
/* reset all the values */
- sep_in_page_array = 0;
- sep_out_page_array = 0;
- sep_in_num_pages = 0;
- sep_out_num_pages = 0;
+ sep_dev->in_page_array = 0;
+ sep_dev->out_page_array = 0;
+ sep_dev->in_num_pages = 0;
+ sep_dev->out_num_pages = 0;
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
@@ -2957,9 +2914,9 @@ static int sep_get_static_pool_addr_handler(unsigned long arg)
"SEP Driver:--------> sep_get_static_pool_addr_handler start\n");
/*prepare the output parameters in the struct */
- command_args.physical_static_address = g_sep_phys_shared_area_addr +
+ command_args.physical_static_address = sep_dev->phys_shared_area_addr +
SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
- command_args.virtual_static_address = g_sep_shared_area_addr +
+ command_args.virtual_static_address = sep_dev->shared_area_addr +
SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
@@ -3007,14 +2964,14 @@ static int sep_get_physical_mapped_offset_handler(unsigned long arg)
if (error)
goto end_function;
- if (command_args.physical_address < g_sep_phys_shared_area_addr) {
+ if (command_args.physical_address < sep_dev->phys_shared_area_addr) {
error = -ENOTTY;
goto end_function;
}
/*prepare the output parameters in the struct */
command_args.offset = command_args.physical_address -
- g_sep_phys_shared_area_addr;
+ sep_dev->phys_shared_area_addr;
DEBUG_PRINT_2(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:physical_address is %08lx, offset is %lu\n",
@@ -3059,14 +3016,14 @@ static int sep_start_handler(void)
/* wait in polling for message from SEP */
do {
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR3_REG_ADDR, reg_val);
} while (!reg_val);
/* check the value */
if (reg_val == 0x1) {
/* fatal error - read erro status from GPRO */
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR0_REG_ADDR, error);
goto end_function;
}
@@ -3129,7 +3086,7 @@ static int sep_init_handler(unsigned long arg)
message_ptr = (unsigned long *)command_args.message_addr;
/* set the base address of the SRAM */
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_SRAM_ADDR_REG_ADDR,
HW_CC_SRAM_BASE_ADDRESS);
@@ -3139,7 +3096,7 @@ static int sep_init_handler(unsigned long arg)
get_user(message_word, message_ptr);
/* write data to SRAM */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_SRAM_DATA_REG_ADDR,
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_SRAM_DATA_REG_ADDR,
message_word);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
@@ -3154,11 +3111,11 @@ static int sep_init_handler(unsigned long arg)
"SEP Driver:--------> sep_init_handler - finished getting messages from user space\n");
/* signal SEP */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_HOST_SEP_GPR0_REG_ADDR,
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_HOST_SEP_GPR0_REG_ADDR,
0x1);
do {
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR3_REG_ADDR, reg_val);
} while (!(reg_val & 0xFFFFFFFD));
@@ -3170,13 +3127,13 @@ static int sep_init_handler(unsigned long arg)
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:init failed\n");
- SEP_READ_REGISTER(g_sep_reg_base_address + 0x8060, error);
+ SEP_READ_REGISTER(sep_dev->reg_base_address + 0x8060, error);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:sw monitor is %lu\n",
error);
/* fatal error - read erro status from GPRO */
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_HOST_GPR0_REG_ADDR,
error);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
@@ -3234,7 +3191,7 @@ static int sep_realloc_cache_resident_handler(unsigned long arg)
/* lock the area (if needed) */
sep_lock_cache_resident_area();
- command_args.new_base_addr = g_sep_phys_shared_area_addr;
+ command_args.new_base_addr = sep_dev->phys_shared_area_addr;
/* find the new base address according to the lowest address between
cache, resident and shared area */
@@ -3249,7 +3206,7 @@ static int sep_realloc_cache_resident_handler(unsigned long arg)
/* set the new shared area */
- command_args.new_shared_area_addr = g_sep_phys_shared_area_addr;
+ command_args.new_shared_area_addr = sep_dev->phys_shared_area_addr;
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:command_args.new_shared_area_addr is %08lx\n",
@@ -3325,7 +3282,7 @@ static int sep_set_api_mode_handler(unsigned long arg)
goto end_function;
/* set the global flag */
- g_sep_block_mode_flag = mode_flag;
+ sep_dev->block_mode_flag = mode_flag;
end_function:
@@ -3350,10 +3307,10 @@ static int sep_end_transaction_handler(unsigned long arg)
#if 0/*!SEP_DRIVER_POLLING_MODE*/
/* close IMR */
- SEP_WRITE_REGISTER(g_sep_reg_base_address + HW_HOST_IMR_REG_ADDR, 0x7FFF);
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address + HW_HOST_IMR_REG_ADDR, 0x7FFF);
/* release IRQ line */
- free_irq(SEP_DIRVER_IRQ_NUM, &g_sep_reg_base_address);
+ free_irq(SEP_DIRVER_IRQ_NUM, &sep_dev->reg_base_address);
/* lock the sep mutex */
mutex_unlock(&sep_mutex);
@@ -3392,10 +3349,10 @@ static void sep_flow_done_handler(struct work_struct *work)
if (flow_data_ptr->input_tables_flag) {
/* copy the message to the shared RAM and signal SEP */
memcpy((void *)flow_data_ptr->message,
- (void *)g_sep_shared_area_addr,
+ (void *)sep_dev->shared_area_addr,
flow_data_ptr->message_size_in_bytes);
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_HOST_HOST_SEP_GPR2_REG_ADDR,
0x2);
}
@@ -3644,8 +3601,8 @@ static int sep_find_flow_context(
when 2 flows are with default flag
*/
for (count = 0; count < SEP_DRIVER_NUM_FLOWS; count++) {
- if (g_sep_flows_data_array[count].flow_id == flow_id) {
- *flow_data_ptr = &g_sep_flows_data_array[count];
+ if (sep_dev->flows_data_array[count].flow_id == flow_id) {
+ *flow_data_ptr = &sep_dev->flows_data_array[count];
break;
}
}
@@ -3685,7 +3642,7 @@ static int sep_find_free_flow_dma_table_space(
error = 0;
/* find the start address of the flow DMA table area */
- flow_dma_area_start_addr = g_sep_shared_area_addr +
+ flow_dma_area_start_addr = sep_dev->shared_area_addr +
SEP_DRIVER_FLOW_DMA_TABLES_AREA_OFFSET_IN_BYTES;
/* set end address of the flow table area */
@@ -3837,7 +3794,7 @@ static int sep_set_time(unsigned long *address_ptr,
do_gettimeofday(&time);
/* set value in the SYSTEM MEMORY offset */
- time_addr = g_message_shared_area_addr +
+ time_addr = sep_dev->message_shared_area_addr +
SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES;
*(unsigned long *)time_addr = SEP_TIME_VAL_TOKEN;
@@ -3851,7 +3808,7 @@ static int sep_set_time(unsigned long *address_ptr,
time_addr);
DEBUG_PRINT_1(SEP_DEBUG_LEVEL_EXTENDED,
"SEP Driver:g_message_shared_area_addr is %lu\n",
- g_message_shared_area_addr);
+ sep_dev->message_shared_area_addr);
/* set the output parameters if needed */
if (address_ptr)
@@ -3880,32 +3837,32 @@ static void sep_configure_dma_burst(void)
"SEP Driver:<-------- sep_configure_dma_burst start \n");
/* request access to registers from SEP */
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x2UL);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (write reg) \n");
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_BUSY_REG_ADDR, regVal);
while (regVal)
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_BUSY_REG_ADDR, regVal);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,
"SEP Driver:<-------- sep_configure_dma_burst finished request access to registers from SEP (while(revVal) wait loop) \n");
/* set the DMA burst register to single burst*/
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_AHB_RD_WR_BURSTS_REG_ADDR, 0x0UL);
/* release the sep busy */
- SEP_WRITE_REGISTER(g_sep_reg_base_address +
+ SEP_WRITE_REGISTER(sep_dev->reg_base_address +
HW_HOST_HOST_SEP_GPR0_REG_ADDR, 0x0UL);
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_BUSY_REG_ADDR, regVal);
while (regVal != 0x0)
- SEP_READ_REGISTER(g_sep_reg_base_address +
+ SEP_READ_REGISTER(sep_dev->reg_base_address +
HW_HOST_SEP_BUSY_REG_ADDR, regVal);
DEBUG_PRINT_0(SEP_DEBUG_LEVEL_BASIC,