RTL88x2BU-Linux-Driver/hal/halmac/halmac_88xx/halmac_gpio_88xx.c

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/******************************************************************************
*
* Copyright(c) 2016 - 2018 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.
*
******************************************************************************/
#include "halmac_gpio_88xx.h"
#if HALMAC_88XX_SUPPORT
/**
* pinmux_wl_led_mode_88xx() -control wlan led gpio function
* @adapter : the adapter of halmac
* @mode : wlan led mode
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
enum halmac_ret_status
pinmux_wl_led_mode_88xx(struct halmac_adapter *adapter,
enum halmac_wlled_mode mode)
{
u8 value8;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
PLTFM_MSG_TRACE("[TRACE]%s ===>\n", __func__);
value8 = HALMAC_REG_R8(REG_LED_CFG + 2);
value8 &= ~(BIT(6));
value8 |= BIT(3);
value8 &= ~(BIT(0) | BIT(1) | BIT(2));
switch (mode) {
case HALMAC_WLLED_MODE_TRX:
value8 |= 2;
break;
case HALMAC_WLLED_MODE_TX:
value8 |= 4;
break;
case HALMAC_WLLED_MODE_RX:
value8 |= 6;
break;
case HALMAC_WLLED_MODE_SW_CTRL:
value8 |= 0;
break;
default:
return HALMAC_RET_SWITCH_CASE_ERROR;
}
HALMAC_REG_W8(REG_LED_CFG + 2, value8);
PLTFM_MSG_TRACE("[TRACE]%s <===\n", __func__);
return HALMAC_RET_SUCCESS;
}
/**
* pinmux_wl_led_sw_ctrl_88xx() -control wlan led on/off
* @adapter : the adapter of halmac
* @on : on(1), off(0)
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
void
pinmux_wl_led_sw_ctrl_88xx(struct halmac_adapter *adapter, u8 on)
{
u8 value8;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
value8 = HALMAC_REG_R8(REG_LED_CFG + 2);
value8 = (on == 0) ? value8 | BIT(3) : value8 & ~(BIT(3));
HALMAC_REG_W8(REG_LED_CFG + 2, value8);
}
/**
* pinmux_sdio_int_polarity_88xx() -control sdio int polarity
* @adapter : the adapter of halmac
* @low_active : low active(1), high active(0)
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
void
pinmux_sdio_int_polarity_88xx(struct halmac_adapter *adapter, u8 low_active)
{
u8 value8;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
value8 = HALMAC_REG_R8(REG_SYS_SDIO_CTRL + 2);
value8 = (low_active == 0) ? value8 | BIT(3) : value8 & ~(BIT(3));
HALMAC_REG_W8(REG_SYS_SDIO_CTRL + 2, value8);
}
/**
* pinmux_gpio_mode_88xx() -control gpio io mode
* @adapter : the adapter of halmac
* @gpio_id : gpio0~15(0~15)
* @output : output(1), input(0)
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
enum halmac_ret_status
pinmux_gpio_mode_88xx(struct halmac_adapter *adapter, u8 gpio_id, u8 output)
{
u16 value16;
u8 in_out;
u32 offset;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
if (gpio_id <= 7)
offset = REG_GPIO_PIN_CTRL + 2;
else if (gpio_id >= 8 && gpio_id <= 15)
offset = REG_GPIO_EXT_CTRL + 2;
else
return HALMAC_RET_WRONG_GPIO;
in_out = (output == 0) ? 0 : 1;
gpio_id &= (8 - 1);
value16 = HALMAC_REG_R16(offset);
value16 &= ~((1 << gpio_id) | (1 << gpio_id << 8));
value16 |= (in_out << gpio_id);
HALMAC_REG_W16(offset, value16);
return HALMAC_RET_SUCCESS;
}
/**
* pinmux_gpio_output_88xx() -control gpio output high/low
* @adapter : the adapter of halmac
* @gpio_id : gpio0~15(0~15)
* @high : high(1), low(0)
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
enum halmac_ret_status
pinmux_gpio_output_88xx(struct halmac_adapter *adapter, u8 gpio_id, u8 high)
{
u8 value8;
u8 hi_low;
u32 offset;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
if (gpio_id <= 7)
offset = REG_GPIO_PIN_CTRL + 1;
else if (gpio_id >= 8 && gpio_id <= 15)
offset = REG_GPIO_EXT_CTRL + 1;
else
return HALMAC_RET_WRONG_GPIO;
hi_low = (high == 0) ? 0 : 1;
gpio_id &= (8 - 1);
value8 = HALMAC_REG_R8(offset);
value8 &= ~(1 << gpio_id);
value8 |= (hi_low << gpio_id);
HALMAC_REG_W8(offset, value8);
return HALMAC_RET_SUCCESS;
}
/**
* halmac_pinmux_status_88xx() -get current gpio status(high/low)
* @adapter : the adapter of halmac
* @pin_id : 0~15(0~15)
* @phigh : high(1), low(0)
* Author : Ivan Lin
* Return : enum halmac_ret_status
* More details of status code can be found in prototype document
*/
enum halmac_ret_status
pinmux_pin_status_88xx(struct halmac_adapter *adapter, u8 pin_id, u8 *high)
{
u8 value8;
u32 offset;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
if (pin_id <= 7)
offset = REG_GPIO_PIN_CTRL;
else if (pin_id >= 8 && pin_id <= 15)
offset = REG_GPIO_EXT_CTRL;
else
return HALMAC_RET_WRONG_GPIO;
pin_id &= (8 - 1);
value8 = HALMAC_REG_R8(offset);
*high = (value8 & (1 << pin_id)) >> pin_id;
return HALMAC_RET_SUCCESS;
}
enum halmac_ret_status
pinmux_parser_88xx(struct halmac_adapter *adapter,
const struct halmac_gpio_pimux_list *list, u32 size,
u32 gpio_id, u32 *cur_func)
{
u32 i;
u8 value8;
const struct halmac_gpio_pimux_list *cur_list = list;
enum halmac_gpio_cfg_state *state;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
state = &adapter->halmac_state.gpio_cfg_state;
if (*state == HALMAC_GPIO_CFG_STATE_BUSY)
return HALMAC_RET_BUSY_STATE;
*state = HALMAC_GPIO_CFG_STATE_BUSY;
for (i = 0; i < size; i++) {
if (gpio_id != cur_list->id) {
PLTFM_MSG_ERR("[ERR]offset:%X, value:%X, func:%X\n",
cur_list->offset, cur_list->value,
cur_list->func);
PLTFM_MSG_ERR("[ERR]id1 : %X, id2 : %X\n",
gpio_id, cur_list->id);
*state = HALMAC_GPIO_CFG_STATE_IDLE;
return HALMAC_RET_GET_PINMUX_ERR;
}
value8 = HALMAC_REG_R8(cur_list->offset);
value8 &= cur_list->msk;
if (value8 == cur_list->value) {
*cur_func = cur_list->func;
break;
}
cur_list++;
}
*state = HALMAC_GPIO_CFG_STATE_IDLE;
if (i == size)
return HALMAC_RET_GET_PINMUX_ERR;
return HALMAC_RET_SUCCESS;
}
enum halmac_ret_status
pinmux_switch_88xx(struct halmac_adapter *adapter,
const struct halmac_gpio_pimux_list *list, u32 size,
u32 gpio_id, enum halmac_gpio_func gpio_func)
{
u32 i;
u8 value8;
u16 switch_func;
const struct halmac_gpio_pimux_list *cur_list = list;
enum halmac_gpio_cfg_state *state;
struct halmac_api *api = (struct halmac_api *)adapter->halmac_api;
state = &adapter->halmac_state.gpio_cfg_state;
if (*state == HALMAC_GPIO_CFG_STATE_BUSY)
return HALMAC_RET_BUSY_STATE;
switch (gpio_func) {
case HALMAC_GPIO_FUNC_WL_LED:
switch_func = HALMAC_WL_LED;
break;
case HALMAC_GPIO_FUNC_SDIO_INT:
switch_func = HALMAC_SDIO_INT;
break;
case HALMAC_GPIO_FUNC_SW_IO_0:
case HALMAC_GPIO_FUNC_SW_IO_1:
case HALMAC_GPIO_FUNC_SW_IO_2:
case HALMAC_GPIO_FUNC_SW_IO_3:
case HALMAC_GPIO_FUNC_SW_IO_4:
case HALMAC_GPIO_FUNC_SW_IO_5:
case HALMAC_GPIO_FUNC_SW_IO_6:
case HALMAC_GPIO_FUNC_SW_IO_7:
case HALMAC_GPIO_FUNC_SW_IO_8:
case HALMAC_GPIO_FUNC_SW_IO_9:
case HALMAC_GPIO_FUNC_SW_IO_10:
case HALMAC_GPIO_FUNC_SW_IO_11:
case HALMAC_GPIO_FUNC_SW_IO_12:
case HALMAC_GPIO_FUNC_SW_IO_13:
case HALMAC_GPIO_FUNC_SW_IO_14:
case HALMAC_GPIO_FUNC_SW_IO_15:
switch_func = HALMAC_SW_IO;
break;
default:
return HALMAC_RET_SWITCH_CASE_ERROR;
}
for (i = 0; i < size; i++) {
if (gpio_id != cur_list->id) {
PLTFM_MSG_ERR("[ERR]offset:%X, value:%X, func:%X\n",
cur_list->offset, cur_list->value,
cur_list->func);
PLTFM_MSG_ERR("[ERR]id1 : %X, id2 : %X\n",
gpio_id, cur_list->id);
return HALMAC_RET_GET_PINMUX_ERR;
}
if (switch_func == cur_list->func)
break;
cur_list++;
}
if (i == size) {
PLTFM_MSG_ERR("[ERR]gpio func error:%X %X\n",
gpio_id, cur_list->id);
return HALMAC_RET_GET_PINMUX_ERR;
}
*state = HALMAC_GPIO_CFG_STATE_BUSY;
cur_list = list;
for (i = 0; i < size; i++) {
value8 = HALMAC_REG_R8(cur_list->offset);
value8 &= ~(cur_list->msk);
if (switch_func == cur_list->func) {
value8 |= (cur_list->value & cur_list->msk);
HALMAC_REG_W8(cur_list->offset, value8);
break;
}
value8 |= (~cur_list->value & cur_list->msk);
HALMAC_REG_W8(cur_list->offset, value8);
cur_list++;
}
*state = HALMAC_GPIO_CFG_STATE_IDLE;
return HALMAC_RET_SUCCESS;
}
enum halmac_ret_status
pinmux_record_88xx(struct halmac_adapter *adapter,
enum halmac_gpio_func gpio_func, u8 val)
{
switch (gpio_func) {
case HALMAC_GPIO_FUNC_WL_LED:
adapter->pinmux_info.wl_led = val;
break;
case HALMAC_GPIO_FUNC_SDIO_INT:
adapter->pinmux_info.sdio_int = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_0:
adapter->pinmux_info.sw_io_0 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_1:
adapter->pinmux_info.sw_io_1 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_2:
adapter->pinmux_info.sw_io_2 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_3:
adapter->pinmux_info.sw_io_3 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_4:
adapter->pinmux_info.sw_io_4 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_5:
adapter->pinmux_info.sw_io_5 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_6:
adapter->pinmux_info.sw_io_6 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_7:
adapter->pinmux_info.sw_io_7 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_8:
adapter->pinmux_info.sw_io_8 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_9:
adapter->pinmux_info.sw_io_9 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_10:
adapter->pinmux_info.sw_io_10 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_11:
adapter->pinmux_info.sw_io_11 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_12:
adapter->pinmux_info.sw_io_12 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_13:
adapter->pinmux_info.sw_io_13 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_14:
adapter->pinmux_info.sw_io_14 = val;
break;
case HALMAC_GPIO_FUNC_SW_IO_15:
adapter->pinmux_info.sw_io_15 = val;
break;
default:
return HALMAC_RET_GET_PINMUX_ERR;
}
return HALMAC_RET_SUCCESS;
}
#endif /* HALMAC_88XX_SUPPORT */