From: Viktor Barna <[email protected]>
(Part of the split. Please, take a look at the cover letter for more
details).
Signed-off-by: Viktor Barna <[email protected]>
---
drivers/net/wireless/celeno/cl8k/chip.c | 580 ++++++++++++++++++++++++
1 file changed, 580 insertions(+)
create mode 100644 drivers/net/wireless/celeno/cl8k/chip.c
diff --git a/drivers/net/wireless/celeno/cl8k/chip.c b/drivers/net/wireless/celeno/cl8k/chip.c
new file mode 100644
index 000000000000..67f65dffd804
--- /dev/null
+++ b/drivers/net/wireless/celeno/cl8k/chip.c
@@ -0,0 +1,580 @@
+// SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+/* Copyright(c) 2019-2022, Celeno Communications Ltd. */
+
+#include <linux/dmapool.h>
+
+#include "reg/reg_access.h"
+#include "reg/reg_defs.h"
+#include "temperature.h"
+#include "phy.h"
+#include "e2p.h"
+#include "main.h"
+#include "rates.h"
+#include "calib.h"
+#include "config.h"
+#include "utils.h"
+#include "chip.h"
+
+#define CL_ALIGN_BOUND_64KB BIT(16)
+
+static void cl_chip_set_max_antennas(struct cl_chip *chip)
+{
+ u16 device_id = cl_chip_get_device_id(chip);
+
+ switch (device_id) {
+ case 0x8040:
+ case 0x8046:
+ chip->max_antennas = MAX_ANTENNAS_CL804X;
+ break;
+ case 0x8060:
+ case 0x8066:
+ chip->max_antennas = MAX_ANTENNAS_CL806X;
+ break;
+ case 0x8080:
+ case 0x8086:
+ default:
+ chip->max_antennas = MAX_ANTENNAS_CL808X;
+ break;
+ }
+}
+
+/*
+ * This function is necessary since now we can't determine the max antenna number by the
+ * device_id alone, since there is at least one case of device_id 8046 and max antenna of 3.
+ */
+static void cl_chip_update_max_antennas(struct cl_chip *chip)
+{
+ u8 wiring_id = chip->fem.wiring_id;
+
+ if (wiring_id == FEM_WIRING_27_TCV0_2_TCV1_1 || wiring_id == FEM_WIRING_31_TCV0_2_TCV1_1)
+ chip->max_antennas = MAX_ANTENNAS_WIRING_ID_27_31;
+}
+
+static int cl_chip_print_serial_number(struct cl_chip *chip)
+{
+ u8 serial_number[SIZE_GEN_SERIAL_NUMBER + 1] = {0};
+
+ if (!IS_REAL_PHY(chip))
+ return 0;
+
+ if (cl_e2p_read(chip, (u8 *)&serial_number, SIZE_GEN_SERIAL_NUMBER, ADDR_GEN_SERIAL_NUMBER))
+ return -1;
+
+ if (strlen(serial_number) == 0)
+ cl_dbg_chip_verbose(chip, "Serial-number in not set in EEPROM\n");
+ else
+ cl_dbg_chip_verbose(chip, "Serial-number = %s\n", serial_number);
+
+ return 0;
+}
+
+static int cl_chip_ring_indices_init(struct cl_chip *chip)
+{
+ struct cl_ring_indices *ring_indices = &chip->ring_indices;
+
+ ring_indices->pool = dma_pool_create("cl_ring_indices_pool", chip->dev,
+ (sizeof(struct cl_ipc_ring_indices) * TCV_MAX),
+ CL_ALIGN_BOUND_64KB, CL_ALIGN_BOUND_64KB);
+
+ if (!ring_indices->pool) {
+ cl_dbg_chip_err(chip, "ring_indices pool create failed !!!\n");
+ return -ENOMEM;
+ }
+
+ ring_indices->params = dma_pool_alloc(ring_indices->pool, GFP_KERNEL,
+ &ring_indices->dma_addr);
+ if (!ring_indices->params)
+ return -ENOMEM;
+
+ return 0;
+}
+
+static void cl_chip_ring_indices_deinit(struct cl_chip *chip)
+{
+ if (chip->ring_indices.params) {
+ dma_pool_free(chip->ring_indices.pool,
+ chip->ring_indices.params,
+ chip->ring_indices.dma_addr);
+ chip->ring_indices.params = NULL;
+ }
+
+ dma_pool_destroy(chip->ring_indices.pool);
+ chip->ring_indices.pool = NULL;
+}
+
+struct cl_chip *cl_chip_alloc(u8 idx)
+{
+ struct cl_chip *chip = vzalloc(sizeof(*chip));
+
+ if (!chip)
+ return NULL;
+
+ chip->idx = idx;
+ return chip;
+}
+
+void cl_chip_dealloc(struct cl_chip *chip)
+{
+ cl_chip_config_dealloc(chip);
+ vfree(chip);
+}
+
+static void cl_chip_workqueue_create(struct cl_chip *chip)
+{
+ if (!chip->chip_workqueue)
+ chip->chip_workqueue = create_singlethread_workqueue("chip_workqueue");
+}
+
+static void cl_chip_workqueue_destroy(struct cl_chip *chip)
+{
+ if (chip->chip_workqueue) {
+ destroy_workqueue(chip->chip_workqueue);
+ chip->chip_workqueue = NULL;
+ }
+}
+
+int cl_chip_init(struct cl_chip *chip)
+{
+ int ret = 0;
+
+ chip->ipc_host2xmac_trigger_set = ipc_host_2_umac_trigger_set;
+
+ chip->platform.app = NULL;
+ chip->platform.app_size = 0;
+ chip->platform.idx = U8_MAX;
+
+ spin_lock_init(&chip->isr_lock);
+ spin_lock_init(&chip->spi_lock);
+ mutex_init(&chip->start_msg_lock);
+ mutex_init(&chip->calib_runtime_mutex);
+
+ rwlock_init(&chip->cl_hw_lock);
+ mutex_init(&chip->recovery_mutex);
+ mutex_init(&chip->set_idle_mutex);
+
+ cl_chip_set_max_antennas(chip);
+
+ ret = cl_irq_request(chip);
+ if (ret)
+ return ret;
+
+ ipc_host_global_int_en_set(chip, 1);
+
+ cl_temperature_init(chip);
+
+ ret = cl_e2p_init(chip);
+ if (ret) {
+ cl_dbg_chip_err(chip, "cl_e2p_init failed %d\n", ret);
+ return ret;
+ }
+
+ ret = cl_fem_init(chip);
+ if (ret)
+ return ret;
+
+ /*
+ * Update chip->max_antennas according to wiring_id if needed.
+ * Should be called after cl_fem_init(), where wiring_id is read from eeprom.
+ */
+ cl_chip_update_max_antennas(chip);
+
+ ret = cl_chip_ring_indices_init(chip);
+ if (ret)
+ return ret;
+
+ cl_chip_print_serial_number(chip);
+
+ cl_wrs_tables_global_build();
+ cl_data_rates_inverse_build();
+ cl_chip_workqueue_create(chip);
+
+ return ret;
+}
+
+void cl_chip_deinit(struct cl_chip *chip)
+{
+ cl_chip_workqueue_destroy(chip);
+
+ cl_chip_ring_indices_deinit(chip);
+
+ cl_temperature_close(chip);
+
+ cl_e2p_close(chip);
+
+ ipc_host_global_int_en_set(chip, 0);
+
+ cl_irq_free(chip);
+}
+
+u16 cl_chip_get_device_id(struct cl_chip *chip)
+{
+ u16 device_id = chip->pci_dev->device;
+
+ if (chip->conf->ci_sim_device_id)
+ return chip->conf->ci_sim_device_id;
+
+ /* If device-id is default, set it accoridng to phy-dev. */
+ if (device_id == 0x8000 || device_id == 0x8001)
+ device_id = (chip->conf->ci_phy_dev == PHY_DEV_ATHOS) ? 0x8086 : 0x8080;
+
+ return device_id;
+}
+
+bool cl_chip_is_enabled(struct cl_chip *chip)
+{
+ return cl_chip_is_tcv0_enabled(chip) || cl_chip_is_tcv1_enabled(chip);
+}
+
+bool cl_chip_is_both_enabled(struct cl_chip *chip)
+{
+ return cl_chip_is_tcv0_enabled(chip) && cl_chip_is_tcv1_enabled(chip);
+}
+
+bool cl_chip_is_tcv0_enabled(struct cl_chip *chip)
+{
+ return chip->conf->ce_tcv_enabled[TCV0];
+}
+
+bool cl_chip_is_tcv1_enabled(struct cl_chip *chip)
+{
+ return chip->conf->ce_tcv_enabled[TCV1];
+}
+
+bool cl_chip_is_only_tcv0_enabled(struct cl_chip *chip)
+{
+ return cl_chip_is_tcv0_enabled(chip) && !cl_chip_is_tcv1_enabled(chip);
+}
+
+bool cl_chip_is_only_tcv1_enabled(struct cl_chip *chip)
+{
+ return !cl_chip_is_tcv0_enabled(chip) && cl_chip_is_tcv1_enabled(chip);
+}
+
+void cl_chip_set_hw(struct cl_chip *chip, struct cl_hw *cl_hw)
+{
+ if (cl_hw_is_tcv0(cl_hw))
+ chip->cl_hw_tcv0 = cl_hw;
+ else
+ chip->cl_hw_tcv1 = cl_hw;
+}
+
+void cl_chip_unset_hw(struct cl_chip *chip, struct cl_hw *cl_hw)
+{
+ if (cl_hw_is_tcv0(cl_hw))
+ chip->cl_hw_tcv0 = NULL;
+ else
+ chip->cl_hw_tcv1 = NULL;
+}
+
+bool cl_chip_is_8ant(struct cl_chip *chip)
+{
+ return chip->max_antennas == MAX_ANTENNAS_CL808X;
+}
+
+bool cl_chip_is_6ant(struct cl_chip *chip)
+{
+ return chip->max_antennas == MAX_ANTENNAS_CL806X;
+}
+
+bool cl_chip_is_4ant(struct cl_chip *chip)
+{
+ return chip->max_antennas == MAX_ANTENNAS_CL804X;
+}
+
+bool cl_chip_is_3ant(struct cl_chip *chip)
+{
+ return chip->max_antennas == MAX_ANTENNAS_WIRING_ID_27_31;
+}
+
+bool cl_chip_is_6g(struct cl_chip *chip)
+{
+ u16 device_id = cl_chip_get_device_id(chip);
+ u8 band = device_id & 0xf;
+
+ return (band == 6);
+}
+
+#define MAX_FIRST_MASK_BIT ((ETH_ALEN * 8) - 1)
+
+static struct cl_chip_conf chip_conf = {
+ .ce_tcv_enabled = {
+ [TCV0] = false,
+ [TCV1] = false
+ },
+ .ce_lmac = "lmacfw.bin",
+ .ce_smac = "smacfw.bin",
+ .ce_irq_smp_affinity = -1,
+ .ce_eeprom_mode = E2P_MODE_BIN,
+ .ce_production_mode = false,
+ .ci_pci_msi_enable = true,
+ .ci_dma_lli_max_chan = {
+ [TCV0] = 6,
+ [TCV1] = 3
+ },
+ .ci_regdom_mode = "self",
+ .ci_country_code = "US",
+ .ce_ela_mode = "default",
+ .ci_phy_dev = PHY_DEV_OLYMPUS,
+ .ce_debug_level = DBG_LVL_ERROR,
+ .ce_host_pci_gen_ver = 3,
+ .ci_scale_down_fw = 1,
+ .ce_temp_comp_en = true,
+ .ce_temp_protect_en = TEMP_PROTECT_EXTERNAL,
+ .ce_temp_protect_delta = 0,
+ .ce_temp_protect_th_max = 105,
+ .ce_temp_protect_th_min = 95,
+ .ce_temp_protect_tx_period_ms = 50,
+ .ce_temp_protect_radio_off_th = 110,
+ .ci_phy_load_bootdrv = false,
+ .ce_phys_mac_addr = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+ .ce_lam_enable = true,
+ .ce_first_mask_bit = 0,
+ .ci_no_capture_noise_sleep = true,
+ .ci_afe_config_en = true,
+ .ci_afe_vc_ref = 0x77777777,
+ .ci_afe_vc_avd = 0x55555555,
+ .ci_afe_eoc_ctrl = 0xaaaa,
+ .ci_afe_ch_cml_sel = 0xff,
+ .ci_afe_vc_cml = 0,
+ .ci_afe_cml_sel = 7,
+ .ci_afe_loopback = false,
+ .ci_afe_hw_mode = true,
+ .ci_dcoc_mv_thr = {
+ [CHNL_BW_20] = 150,
+ [CHNL_BW_40] = 100,
+ [CHNL_BW_80] = 100,
+ [CHNL_BW_160] = 100
+ },
+ .ci_calib_check_errors = false,
+ .ci_lolc_db_thr = -40,
+ .ci_iq_db_thr = -46,
+ .ci_rx_resched_tasklet = false,
+ .ci_rx_skb_max = 10000,
+ .ci_tcv1_chains_sx0 = false,
+ .ci_sim_device_id = 0,
+ .ce_calib_runtime_en = false,
+ .ci_calib_eeprom_en = 0,
+ .ci_calib_runtime_force = false,
+ .ci_la_mirror_en = true,
+};
+
+static int cl_chip_update_config(struct cl_chip *chip, char *name, char *value)
+{
+ struct cl_chip_conf *conf = chip->conf;
+ int ret = -ENOENT;
+
+ do {
+ READ_BOOL_ARR(ce_tcv_enabled, TCV_MAX);
+ READ_STR(ce_lmac);
+ READ_STR(ce_smac);
+ READ_S32(ce_irq_smp_affinity);
+ READ_U8(ce_eeprom_mode);
+ READ_BOOL(ce_production_mode);
+ READ_BOOL(ci_pci_msi_enable);
+ READ_U8_ARR(ci_dma_lli_max_chan, TCV_MAX, true);
+ READ_STR(ci_regdom_mode);
+ READ_STR(ci_country_code);
+ READ_STR(ce_ela_mode);
+ READ_U8(ci_phy_dev);
+ READ_S8(ce_debug_level);
+ READ_U8(ce_host_pci_gen_ver);
+ READ_S32(ci_scale_down_fw);
+ READ_BOOL(ce_temp_comp_en);
+ READ_U8(ce_temp_protect_en);
+ READ_S8(ce_temp_protect_delta);
+ READ_S16(ce_temp_protect_th_max);
+ READ_S16(ce_temp_protect_th_min);
+ READ_U16(ce_temp_protect_tx_period_ms);
+ READ_S16(ce_temp_protect_radio_off_th);
+ READ_BOOL(ci_phy_load_bootdrv);
+ READ_MAC(ce_phys_mac_addr);
+ READ_BOOL(ce_lam_enable);
+ READ_U8(ce_first_mask_bit);
+ READ_BOOL(ci_no_capture_noise_sleep);
+ READ_BOOL(ci_afe_config_en);
+ READ_U32(ci_afe_vc_ref);
+ READ_U8(ci_afe_cml_sel);
+ READ_BOOL(ci_afe_loopback);
+ READ_BOOL(ci_afe_hw_mode);
+ READ_U8_ARR(ci_dcoc_mv_thr, CHNL_BW_MAX, true);
+ READ_BOOL(ci_calib_check_errors);
+ READ_S8(ci_lolc_db_thr);
+ READ_S8(ci_iq_db_thr);
+ READ_BOOL(ci_rx_resched_tasklet);
+ READ_U32(ci_rx_skb_max);
+ READ_BOOL(ci_tcv1_chains_sx0);
+ READ_U16(ci_sim_device_id);
+ READ_BOOL(ce_calib_runtime_en);
+ READ_BOOL(ci_calib_eeprom_en);
+ READ_BOOL(ci_calib_runtime_force);
+ READ_BOOL(ci_la_mirror_en);
+ } while (0);
+
+ if (ret == -ENOENT) {
+ if (cl_config_is_non_driver_param(name))
+ ret = 0;
+ else
+ CL_DBG_ERROR_CHIP(chip, "No matching conf for nvram parameter %s\n", name);
+ }
+
+ return ret;
+}
+
+static bool cl_chip_is_valid_device_id(u16 device_id)
+{
+ switch (device_id) {
+ case 0x8000:
+ case 0x8001:
+ case 0x8080:
+ case 0x8086:
+ case 0x8060:
+ case 0x8040:
+ case 0x8066:
+ case 0x8046:
+ return true;
+ default:
+ pr_debug("Invalid device_id %u\n", device_id);
+ break;
+ }
+
+ return false;
+}
+
+static int cl_chip_post_configuration(struct cl_chip *chip)
+{
+ struct cl_chip_conf *conf = chip->conf;
+
+ if (conf->ce_eeprom_mode >= E2P_MODE_MAX) {
+ CL_DBG_ERROR_CHIP(chip,
+ "Invalid ce_eeprom_mode [%u]. Must be 0 (file) or 1 (eeprom)\n",
+ conf->ce_eeprom_mode);
+ return -EINVAL;
+ }
+
+ if (conf->ce_first_mask_bit > MAX_FIRST_MASK_BIT) {
+ CL_DBG_ERROR_CHIP(chip, "Invalid ce_first_mask_bit (%u). Must be <= %u\n",
+ conf->ce_first_mask_bit, MAX_FIRST_MASK_BIT);
+ return -EINVAL;
+ }
+
+ if (conf->ci_tcv1_chains_sx0 && !conf->ce_production_mode) {
+ cl_dbg_chip_verbose(chip, "Force ci_tcv1_chains_sx0 to 0 for operational mode\n");
+ conf->ci_tcv1_chains_sx0 = false;
+ }
+
+ if (conf->ci_sim_device_id && !cl_chip_is_valid_device_id(conf->ci_sim_device_id)) {
+ CL_DBG_ERROR_CHIP(chip, "Invalid ci_sim_device_id (0x%x)\n",
+ conf->ci_sim_device_id);
+ return -1;
+ }
+ /* IQ and DCOC calibration data will be saved only if runtime feature is enable */
+ if (chip->conf->ci_calib_eeprom_en && !chip->conf->ce_calib_runtime_en) {
+ chip->conf->ci_calib_eeprom_en = 0;
+ CL_DBG_ERROR_CHIP(chip, "Writing/reading calibration data from the EEPROM is "
+ "disabled because ce_calib_runtime_en nvram isn't set\n");
+ }
+
+ return 0;
+}
+
+static int cl_chip_set_all_params_from_buf(struct cl_chip *chip, char *buf, loff_t size)
+{
+ char *line = buf;
+ char name[MAX_PARAM_NAME_LENGTH];
+ char value[STR_LEN_256B];
+ char *begin;
+ char *end;
+ int ret = 0;
+ int name_length = 0;
+ int value_length = 0;
+
+ while (line && strlen(line) && (line != (buf + size))) {
+ if ((*line == '#') || (*line == '\n')) {
+ /* Skip comment or blank line */
+ line = strstr(line, "\n") + 1;
+ } else if (*line) {
+ begin = line;
+ end = strstr(begin, "=");
+
+ if (!end) {
+ ret = -EBADMSG;
+ goto exit;
+ }
+
+ end++;
+ name_length = end - begin;
+ value_length = strstr(end, "\n") - end + 1;
+
+ if (name_length >= MAX_PARAM_NAME_LENGTH) {
+ cl_dbg_chip_err(chip, "Name too long (%u)\n", name_length);
+ ret = -EBADMSG;
+ goto exit;
+ }
+ if (value_length >= STR_LEN_256B) {
+ cl_dbg_chip_err(chip, "Value too long (%u)\n", value_length);
+ ret = -EBADMSG;
+ goto exit;
+ }
+
+ snprintf(name, name_length, "%s", begin);
+ snprintf(value, value_length, "%s", end);
+
+ ret = cl_chip_update_config(chip, name, value);
+ if (ret)
+ goto exit;
+
+ line = strstr(line, "\n") + 1;
+ }
+ }
+
+exit:
+
+ return ret;
+}
+
+int cl_chip_config_read(struct cl_chip *chip)
+{
+ char *buf = NULL;
+ loff_t size = 0;
+ int ret = 0;
+ char filename[CL_FILENAME_MAX] = {0};
+
+ /* Allocate cl_chip_conf */
+ chip->conf = kzalloc(sizeof(*chip->conf), GFP_KERNEL);
+ if (!chip->conf)
+ return -ENOMEM;
+
+ /* Copy default parameters */
+ memcpy(chip->conf, &chip_conf, sizeof(*chip->conf));
+
+ snprintf(filename, sizeof(filename), "cl_chip%u.dat", chip->idx);
+ pr_debug("%s: %s\n", __func__, filename);
+ size = cl_file_open_and_read(chip, filename, &buf);
+
+ if (!buf) {
+ pr_err("read %s failed !!!\n", filename);
+ return -ENODATA;
+ }
+
+ ret = cl_chip_set_all_params_from_buf(chip, buf, size);
+ if (ret) {
+ kfree(buf);
+ return ret;
+ }
+
+ kfree(buf);
+
+ if (!cl_chip_is_enabled(chip)) {
+ cl_dbg_chip_verbose(chip, "Disabled\n");
+ return -EOPNOTSUPP;
+ }
+
+ ret = cl_chip_post_configuration(chip);
+
+ return ret;
+}
+
+void cl_chip_config_dealloc(struct cl_chip *chip)
+{
+ kfree(chip->conf);
+}
--
2.36.1