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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>
This commit is contained in:
Alan Cox 2009-08-06 20:45:07 +01:00 коммит произвёл Greg Kroah-Hartman
Родитель 6a10753989
Коммит f5e3980f9b
5 изменённых файлов: 338 добавлений и 284 удалений
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119
drivers/staging/sep/sep_dev.h Normal file
Просмотреть файл

@ -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

2
drivers/staging/sep/sep_driver_config.h
Просмотреть файл

@ -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)

2
drivers/staging/sep/sep_driver_ext_api.h
Просмотреть файл

@ -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)
*/

180
drivers/staging/sep/sep_ext_with_pci_driver.c
Просмотреть файл

@ -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");

319
drivers/staging/sep/sep_main_mod.c
Просмотреть файл

@ -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);
static 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];
/* 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,