linux_dsm_epyc7002/drivers/net/wireless/ti/wl18xx/main.c

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/*
* This file is part of wl18xx
*
* Copyright (C) 2011 Texas Instruments
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 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.
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include "../wlcore/wlcore.h"
#include "../wlcore/debug.h"
#include "../wlcore/io.h"
#include "../wlcore/acx.h"
#include "../wlcore/tx.h"
#include "../wlcore/rx.h"
#include "../wlcore/io.h"
#include "../wlcore/boot.h"
#include "reg.h"
#include "conf.h"
#include "wl18xx.h"
#define WL18XX_TX_HW_BLOCK_SPARE 1
#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2
#define WL18XX_TX_HW_BLOCK_SIZE 268
static const u8 wl18xx_rate_to_idx_2ghz[] = {
/* MCS rates are used only with 11n */
15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
11, /* WL18XX_CONF_HW_RXTX_RATE_54 */
10, /* WL18XX_CONF_HW_RXTX_RATE_48 */
9, /* WL18XX_CONF_HW_RXTX_RATE_36 */
8, /* WL18XX_CONF_HW_RXTX_RATE_24 */
/* TI-specific rate */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */
7, /* WL18XX_CONF_HW_RXTX_RATE_18 */
6, /* WL18XX_CONF_HW_RXTX_RATE_12 */
3, /* WL18XX_CONF_HW_RXTX_RATE_11 */
5, /* WL18XX_CONF_HW_RXTX_RATE_9 */
4, /* WL18XX_CONF_HW_RXTX_RATE_6 */
2, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */
1, /* WL18XX_CONF_HW_RXTX_RATE_2 */
0 /* WL18XX_CONF_HW_RXTX_RATE_1 */
};
static const u8 wl18xx_rate_to_idx_5ghz[] = {
/* MCS rates are used only with 11n */
15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */
14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */
13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */
12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */
11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */
10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */
9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */
8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */
7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */
6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */
5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */
4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */
3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */
2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */
1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */
0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */
7, /* WL18XX_CONF_HW_RXTX_RATE_54 */
6, /* WL18XX_CONF_HW_RXTX_RATE_48 */
5, /* WL18XX_CONF_HW_RXTX_RATE_36 */
4, /* WL18XX_CONF_HW_RXTX_RATE_24 */
/* TI-specific rate */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */
3, /* WL18XX_CONF_HW_RXTX_RATE_18 */
2, /* WL18XX_CONF_HW_RXTX_RATE_12 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11 */
1, /* WL18XX_CONF_HW_RXTX_RATE_9 */
0, /* WL18XX_CONF_HW_RXTX_RATE_6 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2 */
CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1 */
};
static const u8 *wl18xx_band_rate_to_idx[] = {
[IEEE80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz,
[IEEE80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz
};
enum wl18xx_hw_rates {
WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0,
WL18XX_CONF_HW_RXTX_RATE_MCS14,
WL18XX_CONF_HW_RXTX_RATE_MCS13,
WL18XX_CONF_HW_RXTX_RATE_MCS12,
WL18XX_CONF_HW_RXTX_RATE_MCS11,
WL18XX_CONF_HW_RXTX_RATE_MCS10,
WL18XX_CONF_HW_RXTX_RATE_MCS9,
WL18XX_CONF_HW_RXTX_RATE_MCS8,
WL18XX_CONF_HW_RXTX_RATE_MCS7,
WL18XX_CONF_HW_RXTX_RATE_MCS6,
WL18XX_CONF_HW_RXTX_RATE_MCS5,
WL18XX_CONF_HW_RXTX_RATE_MCS4,
WL18XX_CONF_HW_RXTX_RATE_MCS3,
WL18XX_CONF_HW_RXTX_RATE_MCS2,
WL18XX_CONF_HW_RXTX_RATE_MCS1,
WL18XX_CONF_HW_RXTX_RATE_MCS0,
WL18XX_CONF_HW_RXTX_RATE_54,
WL18XX_CONF_HW_RXTX_RATE_48,
WL18XX_CONF_HW_RXTX_RATE_36,
WL18XX_CONF_HW_RXTX_RATE_24,
WL18XX_CONF_HW_RXTX_RATE_22,
WL18XX_CONF_HW_RXTX_RATE_18,
WL18XX_CONF_HW_RXTX_RATE_12,
WL18XX_CONF_HW_RXTX_RATE_11,
WL18XX_CONF_HW_RXTX_RATE_9,
WL18XX_CONF_HW_RXTX_RATE_6,
WL18XX_CONF_HW_RXTX_RATE_5_5,
WL18XX_CONF_HW_RXTX_RATE_2,
WL18XX_CONF_HW_RXTX_RATE_1,
WL18XX_CONF_HW_RXTX_RATE_MAX,
};
static struct wl18xx_conf wl18xx_default_conf = {
.phy = {
.phy_standalone = 0x00,
.primary_clock_setting_time = 0x05,
.clock_valid_on_wake_up = 0x00,
.secondary_clock_setting_time = 0x05,
.rdl = 0x01,
.auto_detect = 0x00,
.dedicated_fem = FEM_NONE,
.low_band_component = COMPONENT_2_WAY_SWITCH,
.low_band_component_type = 0x05,
.high_band_component = COMPONENT_2_WAY_SWITCH,
.high_band_component_type = 0x09,
.number_of_assembled_ant2_4 = 0x01,
.number_of_assembled_ant5 = 0x01,
.external_pa_dc2dc = 0x00,
.tcxo_ldo_voltage = 0x00,
.xtal_itrim_val = 0x04,
.srf_state = 0x00,
.io_configuration = 0x01,
.sdio_configuration = 0x00,
.settings = 0x00,
.enable_clpc = 0x00,
.enable_tx_low_pwr_on_siso_rdl = 0x00,
.rx_profile = 0x00,
},
};
static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = {
[PART_TOP_PRCM_ELP_SOC] = {
.mem = { .start = 0x00A02000, .size = 0x00010000 },
.reg = { .start = 0x00807000, .size = 0x00005000 },
.mem2 = { .start = 0x00800000, .size = 0x0000B000 },
.mem3 = { .start = 0x00000000, .size = 0x00000000 },
},
[PART_DOWN] = {
.mem = { .start = 0x00000000, .size = 0x00014000 },
.reg = { .start = 0x00810000, .size = 0x0000BFFF },
.mem2 = { .start = 0x00000000, .size = 0x00000000 },
.mem3 = { .start = 0x00000000, .size = 0x00000000 },
},
[PART_BOOT] = {
.mem = { .start = 0x00700000, .size = 0x0000030c },
.reg = { .start = 0x00802000, .size = 0x00014578 },
.mem2 = { .start = 0x00B00404, .size = 0x00001000 },
.mem3 = { .start = 0x00C00000, .size = 0x00000400 },
},
[PART_WORK] = {
.mem = { .start = 0x00800000, .size = 0x000050FC },
.reg = { .start = 0x00B00404, .size = 0x00001000 },
.mem2 = { .start = 0x00C00000, .size = 0x00000400 },
.mem3 = { .start = 0x00000000, .size = 0x00000000 },
},
[PART_PHY_INIT] = {
/* TODO: use the phy_conf struct size here */
.mem = { .start = 0x80926000, .size = 252 },
.reg = { .start = 0x00000000, .size = 0x00000000 },
.mem2 = { .start = 0x00000000, .size = 0x00000000 },
.mem3 = { .start = 0x00000000, .size = 0x00000000 },
},
};
static const int wl18xx_rtable[REG_TABLE_LEN] = {
[REG_ECPU_CONTROL] = WL18XX_REG_ECPU_CONTROL,
[REG_INTERRUPT_NO_CLEAR] = WL18XX_REG_INTERRUPT_NO_CLEAR,
[REG_INTERRUPT_ACK] = WL18XX_REG_INTERRUPT_ACK,
[REG_COMMAND_MAILBOX_PTR] = WL18XX_REG_COMMAND_MAILBOX_PTR,
[REG_EVENT_MAILBOX_PTR] = WL18XX_REG_EVENT_MAILBOX_PTR,
[REG_INTERRUPT_TRIG] = WL18XX_REG_INTERRUPT_TRIG_H,
[REG_INTERRUPT_MASK] = WL18XX_REG_INTERRUPT_MASK,
[REG_PC_ON_RECOVERY] = 0, /* TODO: where is the PC? */
[REG_CHIP_ID_B] = WL18XX_REG_CHIP_ID_B,
[REG_CMD_MBOX_ADDRESS] = WL18XX_CMD_MBOX_ADDRESS,
/* data access memory addresses, used with partition translation */
[REG_SLV_MEM_DATA] = WL18XX_SLV_MEM_DATA,
[REG_SLV_REG_DATA] = WL18XX_SLV_REG_DATA,
/* raw data access memory addresses */
[REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR,
};
/* TODO: maybe move to a new header file? */
#define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw.bin"
static int wl18xx_identify_chip(struct wl1271 *wl)
{
int ret = 0;
switch (wl->chip.id) {
case CHIP_ID_185x_PG10:
wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)",
wl->chip.id);
wl->sr_fw_name = WL18XX_FW_NAME;
wl->quirks |= WLCORE_QUIRK_NO_ELP |
WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN;
/* TODO: need to blocksize alignment for RX/TX separately? */
break;
default:
wl1271_warning("unsupported chip id: 0x%x", wl->chip.id);
ret = -ENODEV;
goto out;
}
out:
return ret;
}
static void wl18xx_set_clk(struct wl1271 *wl)
{
/*
* TODO: this is hardcoded just for DVP/EVB, fix according to
* new unified_drv.
*/
wl1271_write32(wl, WL18XX_SCR_PAD2, 0xB3);
wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]);
wl1271_write32(wl, 0x00A02360, 0xD0078);
wl1271_write32(wl, 0x00A0236c, 0x12);
wl1271_write32(wl, 0x00A02390, 0x20118);
}
static void wl18xx_boot_soft_reset(struct wl1271 *wl)
{
/* disable Rx/Tx */
wl1271_write32(wl, WL18XX_ENABLE, 0x0);
/* disable auto calibration on start*/
wl1271_write32(wl, WL18XX_SPARE_A2, 0xffff);
}
static int wl18xx_pre_boot(struct wl1271 *wl)
{
/* TODO: add hw_pg_ver reading */
wl18xx_set_clk(wl);
/* Continue the ELP wake up sequence */
wl1271_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL);
udelay(500);
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
/* Disable interrupts */
wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL);
wl18xx_boot_soft_reset(wl);
return 0;
}
static void wl18xx_pre_upload(struct wl1271 *wl)
{
u32 tmp;
wlcore_set_partition(wl, &wl->ptable[PART_BOOT]);
/* TODO: check if this is all needed */
wl1271_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND);
tmp = wlcore_read_reg(wl, REG_CHIP_ID_B);
wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp);
tmp = wl1271_read32(wl, WL18XX_SCR_PAD2);
}
static void wl18xx_set_mac_and_phy(struct wl1271 *wl)
{
struct wl18xx_mac_and_phy_params params;
memset(&params, 0, sizeof(params));
params.phy_standalone = wl18xx_default_conf.phy.phy_standalone;
params.rdl = wl18xx_default_conf.phy.rdl;
params.enable_clpc = wl18xx_default_conf.phy.enable_clpc;
params.enable_tx_low_pwr_on_siso_rdl =
wl18xx_default_conf.phy.enable_tx_low_pwr_on_siso_rdl;
params.auto_detect = wl18xx_default_conf.phy.auto_detect;
params.dedicated_fem = wl18xx_default_conf.phy.dedicated_fem;
params.low_band_component = wl18xx_default_conf.phy.low_band_component;
params.low_band_component_type =
wl18xx_default_conf.phy.low_band_component_type;
params.high_band_component =
wl18xx_default_conf.phy.high_band_component;
params.high_band_component_type =
wl18xx_default_conf.phy.high_band_component_type;
params.number_of_assembled_ant2_4 =
wl18xx_default_conf.phy.number_of_assembled_ant2_4;
params.number_of_assembled_ant5 =
wl18xx_default_conf.phy.number_of_assembled_ant5;
params.external_pa_dc2dc = wl18xx_default_conf.phy.external_pa_dc2dc;
params.tcxo_ldo_voltage = wl18xx_default_conf.phy.tcxo_ldo_voltage;
params.xtal_itrim_val = wl18xx_default_conf.phy.xtal_itrim_val;
params.srf_state = wl18xx_default_conf.phy.srf_state;
params.io_configuration = wl18xx_default_conf.phy.io_configuration;
params.sdio_configuration = wl18xx_default_conf.phy.sdio_configuration;
params.settings = wl18xx_default_conf.phy.settings;
params.rx_profile = wl18xx_default_conf.phy.rx_profile;
params.primary_clock_setting_time =
wl18xx_default_conf.phy.primary_clock_setting_time;
params.clock_valid_on_wake_up =
wl18xx_default_conf.phy.clock_valid_on_wake_up;
params.secondary_clock_setting_time =
wl18xx_default_conf.phy.secondary_clock_setting_time;
/* TODO: hardcoded for now */
params.board_type = BOARD_TYPE_DVP_EVB_18XX;
wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]);
wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)&params,
sizeof(params), false);
}
static void wl18xx_enable_interrupts(struct wl1271 *wl)
{
wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR);
wlcore_enable_interrupts(wl);
wlcore_write_reg(wl, REG_INTERRUPT_MASK,
WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK));
}
static int wl18xx_boot(struct wl1271 *wl)
{
int ret;
ret = wl18xx_pre_boot(wl);
if (ret < 0)
goto out;
ret = wlcore_boot_upload_nvs(wl);
if (ret < 0)
goto out;
wl18xx_pre_upload(wl);
ret = wlcore_boot_upload_firmware(wl);
if (ret < 0)
goto out;
wl18xx_set_mac_and_phy(wl);
ret = wlcore_boot_run_firmware(wl);
if (ret < 0)
goto out;
wl18xx_enable_interrupts(wl);
out:
return ret;
}
static void wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr,
void *buf, size_t len)
{
struct wl18xx_priv *priv = wl->priv;
memcpy(priv->cmd_buf, buf, len);
memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len);
wl1271_write(wl, cmd_box_addr, priv->cmd_buf, WL18XX_CMD_MAX_SIZE,
false);
}
static void wl18xx_ack_event(struct wl1271 *wl)
{
wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL18XX_INTR_TRIG_EVENT_ACK);
}
static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks)
{
u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE;
return (len + blk_size - 1) / blk_size + spare_blks;
}
static void
wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
u32 blks, u32 spare_blks)
{
desc->wl18xx_mem.total_mem_blocks = blks;
desc->wl18xx_mem.reserved = 0;
}
static void
wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc,
struct sk_buff *skb)
{
desc->length = cpu_to_le16(skb->len);
wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d "
"len: %d life: %d mem: %d", desc->hlid,
le16_to_cpu(desc->length),
le16_to_cpu(desc->life_time),
desc->wl18xx_mem.total_mem_blocks);
}
static enum wl_rx_buf_align
wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc)
{
if (rx_desc & RX_BUF_PADDED_PAYLOAD)
return WLCORE_RX_BUF_PADDED;
return WLCORE_RX_BUF_ALIGNED;
}
static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data,
u32 data_len)
{
struct wl1271_rx_descriptor *desc = rx_data;
/* invalid packet */
if (data_len < sizeof(*desc))
return 0;
return data_len - sizeof(*desc);
}
static struct wlcore_ops wl18xx_ops = {
.identify_chip = wl18xx_identify_chip,
.boot = wl18xx_boot,
.trigger_cmd = wl18xx_trigger_cmd,
.ack_event = wl18xx_ack_event,
.calc_tx_blocks = wl18xx_calc_tx_blocks,
.set_tx_desc_blocks = wl18xx_set_tx_desc_blocks,
.set_tx_desc_data_len = wl18xx_set_tx_desc_data_len,
.get_rx_buf_align = wl18xx_get_rx_buf_align,
.get_rx_packet_len = wl18xx_get_rx_packet_len,
};
int __devinit wl18xx_probe(struct platform_device *pdev)
{
struct wl1271 *wl;
struct ieee80211_hw *hw;
struct wl18xx_priv *priv;
hw = wlcore_alloc_hw(sizeof(*priv));
if (IS_ERR(hw)) {
wl1271_error("can't allocate hw");
return PTR_ERR(hw);
}
wl = hw->priv;
wl->ops = &wl18xx_ops;
wl->ptable = wl18xx_ptable;
wl->rtable = wl18xx_rtable;
wl->num_tx_desc = 32;
wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE;
wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE;
wl->band_rate_to_idx = wl18xx_band_rate_to_idx;
wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX;
wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0;
wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv);
return wlcore_probe(wl, pdev);
}
static const struct platform_device_id wl18xx_id_table[] __devinitconst = {
{ "wl18xx", 0 },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(platform, wl18xx_id_table);
static struct platform_driver wl18xx_driver = {
.probe = wl18xx_probe,
.remove = __devexit_p(wlcore_remove),
.id_table = wl18xx_id_table,
.driver = {
.name = "wl18xx_driver",
.owner = THIS_MODULE,
}
};
static int __init wl18xx_init(void)
{
return platform_driver_register(&wl18xx_driver);
}
module_init(wl18xx_init);
static void __exit wl18xx_exit(void)
{
platform_driver_unregister(&wl18xx_driver);
}
module_exit(wl18xx_exit);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Luciano Coelho <coelho@ti.com>");
MODULE_FIRMWARE(WL18XX_FW_NAME);