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/*
* Copyright (c) 2012, 2016, The Linux Foundation. All rights reserved.
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all copies.
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "sw.h"
#include "hsl.h"
#include "hsl_dev.h"
#include "sd.h"
#include "isisc_reg_access.h"
#if 0
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <asm/uaccess.h>
#include <linux/mm.h>
#endif
static hsl_access_mode reg_mode;
#if defined(API_LOCK)
static aos_lock_t mdio_lock;
#define MDIO_LOCKER_INIT aos_lock_init(&mdio_lock)
#define MDIO_LOCKER_LOCK aos_lock(&mdio_lock)
#define MDIO_LOCKER_UNLOCK aos_unlock(&mdio_lock)
#else
#define MDIO_LOCKER_INIT
#define MDIO_LOCKER_LOCK
#define MDIO_LOCKER_UNLOCK
#endif
#if defined(REG_ACCESS_SPEEDUP)
static a_uint32_t mdio_base_addr = 0xffffffff;
#endif
static sw_error_t
_isisc_mdio_reg_get(a_uint32_t dev_id, a_uint32_t reg_addr,
a_uint8_t value[], a_uint32_t value_len)
{
a_uint32_t reg_val;
if (value_len != sizeof (a_uint32_t))
return SW_BAD_LEN;
#if 0
/* change reg_addr to 16-bit word address, 32-bit aligned */
reg_word_addr = (reg_addr & 0xfffffffc) >> 1;
/* configure register high address */
phy_addr = 0x18;
phy_reg = 0x0;
phy_val = (a_uint16_t) ((reg_word_addr >> 8) & 0x3ff); /* bit16-8 of reg address */
#if defined(REG_ACCESS_SPEEDUP)
if (phy_val != mdio_base_addr)
{
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
mdio_base_addr = phy_val;
}
#else
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
#endif
/* For some registers such as MIBs, since it is read/clear, we should */
/* read the lower 16-bit register then the higher one */
/* read register in lower address */
phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
phy_reg = (a_uint8_t) (reg_word_addr & 0x1f); /* bit4-0 of reg address */
rv = sd_reg_mdio_get(dev_id, phy_addr, phy_reg, &tmp_val);
SW_RTN_ON_ERROR(rv);
reg_val = tmp_val;
/* read register in higher address */
reg_word_addr++;
phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
phy_reg = (a_uint8_t) (reg_word_addr & 0x1f); /* bit4-0 of reg address */
rv = sd_reg_mdio_get(dev_id, phy_addr, phy_reg, &tmp_val);
SW_RTN_ON_ERROR(rv);
reg_val |= (((a_uint32_t)tmp_val) << 16);
#else
reg_val = sd_reg_mii_get(dev_id, reg_addr);
#endif
aos_mem_copy(value, &reg_val, sizeof (a_uint32_t));
return SW_OK;
}
static sw_error_t
_isisc_mdio_reg_set(a_uint32_t dev_id, a_uint32_t reg_addr, a_uint8_t value[],
a_uint32_t value_len)
{
a_uint32_t reg_val = 0;
if (value_len != sizeof (a_uint32_t))
return SW_BAD_LEN;
aos_mem_copy(&reg_val, value, sizeof (a_uint32_t));
#if 0
/* change reg_addr to 16-bit word address, 32-bit aligned */
reg_word_addr = (reg_addr & 0xfffffffc) >> 1;
/* configure register high address */
phy_addr = 0x18;
phy_reg = 0x0;
phy_val = (a_uint16_t) ((reg_word_addr >> 8) & 0x3ff); /* bit16-8 of reg address */
#if defined(REG_ACCESS_SPEEDUP)
if (phy_val != mdio_base_addr)
{
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
mdio_base_addr = phy_val;
}
#else
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
#endif
/* For some registers such as ARL and VLAN, since they include BUSY bit */
/* in higher address, we should write the lower 16-bit register then the */
/* higher one */
/* write register in lower address */
phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
phy_reg = (a_uint8_t) (reg_word_addr & 0x1f); /* bit4-0 of reg address */
phy_val = (a_uint16_t) (reg_val & 0xffff);
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
/* write register in higher address */
reg_word_addr++;
phy_addr = 0x10 | ((reg_word_addr >> 5) & 0x7); /* bit7-5 of reg address */
phy_reg = (a_uint8_t) (reg_word_addr & 0x1f); /* bit4-0 of reg address */
phy_val = (a_uint16_t) ((reg_val >> 16) & 0xffff);
rv = sd_reg_mdio_set(dev_id, phy_addr, phy_reg, phy_val);
SW_RTN_ON_ERROR(rv);
#else
sd_reg_mii_set(dev_id, reg_addr, reg_val);
#endif
return SW_OK;
}
sw_error_t
isisc_phy_get(a_uint32_t dev_id, a_uint32_t phy_addr,
a_uint32_t reg, a_uint16_t * value)
{
sw_error_t rv;
MDIO_LOCKER_LOCK;
rv = sd_reg_mdio_get(dev_id, phy_addr, reg, value);
MDIO_LOCKER_UNLOCK;
return rv;
}
sw_error_t
isisc_phy_set(a_uint32_t dev_id, a_uint32_t phy_addr,
a_uint32_t reg, a_uint16_t value)
{
sw_error_t rv;
MDIO_LOCKER_LOCK;
rv = sd_reg_mdio_set(dev_id, phy_addr, reg, value);
MDIO_LOCKER_UNLOCK;
return rv;
}
sw_error_t
isisc_reg_get(a_uint32_t dev_id, a_uint32_t reg_addr, a_uint8_t value[],
a_uint32_t value_len)
{
sw_error_t rv;
MDIO_LOCKER_LOCK;
if (HSL_MDIO == reg_mode)
{
rv = _isisc_mdio_reg_get(dev_id, reg_addr, value, value_len);
}
else
{
rv = sd_reg_hdr_get(dev_id, reg_addr, value, value_len);
}
MDIO_LOCKER_UNLOCK;
return rv;
}
sw_error_t
isisc_reg_set(a_uint32_t dev_id, a_uint32_t reg_addr, a_uint8_t value[],
a_uint32_t value_len)
{
sw_error_t rv;
#if 0
unsigned long flags;
struct file *filp;
// mm_segment_t fs;
a_uint32_t rt_value = 0;
a_uint32_t write_flag = 0;
char s[20]= {0};
a_uint32_t tmp_val = *((a_uint32_t *) value);
/*get MODULE_EN reg rsv */
SW_RTN_ON_ERROR(isisc_reg_get(dev_id, 0x30,(void *)&rt_value,4));
write_flag = (rt_value>>15) & 0x1;
#endif
MDIO_LOCKER_LOCK;
if (HSL_MDIO == reg_mode)
{
rv = _isisc_mdio_reg_set(dev_id, reg_addr, value, value_len);
}
else
{
rv = sd_reg_hdr_set(dev_id, reg_addr, value, value_len);
}
MDIO_LOCKER_UNLOCK;
#if 0
if(write_flag)
{
filp = filp_open("/tmp/asic_output", O_RDWR|O_APPEND, 0644);
if(IS_ERR(filp))
{
printk("open error...\n");
return;
}
fs=get_fs();
set_fs(KERNEL_DS);
sprintf(s,"%08x %08x\n",reg_addr,tmp_val);
filp->f_op->write(filp, s, strlen(s),&filp->f_pos);
set_fs(fs);
filp_close(filp,NULL);
}
#endif
return rv;
}
sw_error_t
isisc_reg_field_get(a_uint32_t dev_id, a_uint32_t reg_addr,
a_uint32_t bit_offset, a_uint32_t field_len,
a_uint8_t value[], a_uint32_t value_len)
{
a_uint32_t reg_val = 0;
if ((bit_offset >= 32 || (field_len > 32)) || (field_len == 0))
return SW_OUT_OF_RANGE;
if (value_len != sizeof (a_uint32_t))
return SW_BAD_LEN;
SW_RTN_ON_ERROR(isisc_reg_get(dev_id, reg_addr, (a_uint8_t *) & reg_val, sizeof (a_uint32_t)));
if(32 == field_len)
{
*((a_uint32_t *) value) = reg_val;
}
else
{
*((a_uint32_t *) value) = SW_REG_2_FIELD(reg_val, bit_offset, field_len);
}
return SW_OK;
}
sw_error_t
isisc_reg_field_set(a_uint32_t dev_id, a_uint32_t reg_addr,
a_uint32_t bit_offset, a_uint32_t field_len,
const a_uint8_t value[], a_uint32_t value_len)
{
a_uint32_t reg_val = 0;
a_uint32_t field_val = *((a_uint32_t *) value);
if ((bit_offset >= 32 || (field_len > 32)) || (field_len == 0))
return SW_OUT_OF_RANGE;
if (value_len != sizeof (a_uint32_t))
return SW_BAD_LEN;
SW_RTN_ON_ERROR(isisc_reg_get(dev_id, reg_addr, (a_uint8_t *) & reg_val, sizeof (a_uint32_t)));
if(32 == field_len)
{
reg_val = field_val;
}
else
{
SW_REG_SET_BY_FIELD_U32(reg_val, field_val, bit_offset, field_len);
}
SW_RTN_ON_ERROR(isisc_reg_set(dev_id, reg_addr, (a_uint8_t *) & reg_val, sizeof (a_uint32_t)));
return SW_OK;
}
static sw_error_t
_isisc_regsiter_dump(a_uint32_t dev_id,a_uint32_t register_idx, fal_reg_dump_t * reg_dump)
{
sw_error_t rv = SW_OK;
typedef struct {
a_uint32_t reg_base;
a_uint32_t reg_end;
char name[30];
} regdump;
regdump reg_dumps[8] =
{
{0x0, 0xE4, "0.Global control registers"},
{0x100, 0x168, "1.EEE control registers"},
{0x200, 0x270, "2.Parser control registers"},
{0x400, 0x474, "3.ACL control registers"},
{0x600, 0x718, "4.Lookup control registers"},
{0x800, 0xb70, "5.QM control registers"},
{0xc00, 0xc80, "6.PKT edit control registers"},
{0x820, 0x820, "7.QM debug registers"}
};
a_uint32_t dump_addr, reg_count, reg_val = 0;
switch (register_idx)
{
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
reg_count = 0;
for (dump_addr = reg_dumps[register_idx].reg_base; dump_addr <= reg_dumps[register_idx].reg_end; reg_count++)
{
rv = isisc_reg_get(dev_id, dump_addr, (a_uint8_t *) & reg_val, sizeof (a_uint32_t));
reg_dump->reg_value[reg_count] = reg_val;
dump_addr += 4;
}
reg_dump->reg_count = reg_count;
reg_dump->reg_base = reg_dumps[register_idx].reg_base;
reg_dump->reg_end = reg_dumps[register_idx].reg_end;
snprintf((char *)reg_dump->reg_name,sizeof(reg_dump->reg_name),"%s",reg_dumps[register_idx].name);
break;
default:
return SW_BAD_PARAM;
}
return rv;
}
static sw_error_t
_isisc_debug_regsiter_dump(a_uint32_t dev_id,fal_debug_reg_dump_t * dbg_reg_dump)
{
sw_error_t rv = SW_OK;
a_uint32_t reg;
a_uint32_t reg_count, reg_val = 0;
reg_count = 0;
for(reg=0;reg<=0x1F;reg++)
{
isisc_reg_set(dev_id, 0x820, (a_uint8_t *) & reg, sizeof (a_uint32_t));
rv = isisc_reg_get(dev_id, 0x824, (a_uint8_t *) & reg_val, sizeof (a_uint32_t));
dbg_reg_dump->reg_value[reg_count] = reg_val;
dbg_reg_dump->reg_addr[reg_count] = reg;
reg_count++;
}
dbg_reg_dump->reg_count = reg_count;
snprintf((char *)dbg_reg_dump->reg_name,sizeof(dbg_reg_dump->reg_name),"QM debug registers");
return rv;
}
/**
* @brief dump registers.
* @param[in] dev_id device id
* @param[in] register_idx register group id
* @param[out] reg_dump register dump result
* @return SW_OK or error code
*/
sw_error_t
isisc_regsiter_dump(a_uint32_t dev_id,a_uint32_t register_idx, fal_reg_dump_t * reg_dump)
{
sw_error_t rv = SW_OK;
FAL_API_LOCK;
rv = _isisc_regsiter_dump(dev_id,register_idx,reg_dump);
FAL_API_UNLOCK;
return rv;
}
/**
* @brief dump registers.
* @param[in] dev_id device id
* @param[out] reg_dump debug register dump
* @return SW_OK or error code
*/
sw_error_t
isisc_debug_regsiter_dump(a_uint32_t dev_id, fal_debug_reg_dump_t * dbg_reg_dump)
{
sw_error_t rv = SW_OK;
FAL_API_LOCK;
rv = _isisc_debug_regsiter_dump(dev_id,dbg_reg_dump);
FAL_API_UNLOCK;
return rv;
}
sw_error_t
isisc_reg_access_init(a_uint32_t dev_id, hsl_access_mode mode)
{
hsl_api_t *p_api;
MDIO_LOCKER_INIT;
reg_mode = mode;
SW_RTN_ON_NULL(p_api = hsl_api_ptr_get(dev_id));
p_api->phy_get = isisc_phy_get;
p_api->phy_set = isisc_phy_set;
p_api->reg_get = isisc_reg_get;
p_api->reg_set = isisc_reg_set;
p_api->reg_field_get = isisc_reg_field_get;
p_api->reg_field_set = isisc_reg_field_set;
p_api->register_dump = isisc_regsiter_dump;
p_api->debug_register_dump = isisc_debug_regsiter_dump;
return SW_OK;
}
sw_error_t
isisc_access_mode_set(a_uint32_t dev_id, hsl_access_mode mode)
{
reg_mode = mode;
return SW_OK;
}