[PATCH v1 30/32] net/ntnic: add igam module init

[Serhii Iliushyk]

From: Danylo Vodopianov <dvo-plv at napatech.com>

Create and initialize IGAM module.

Signed-off-by: Danylo Vodopianov <dvo-plv at napatech.com>
---
 drivers/net/ntnic/meson.build                 |  1 +
 .../net/ntnic/nthw/core/include/nthw_igam.h   | 37 +++++++++++
 .../nt400dxx/reset/nthw_fpga_rst_nt400dxx.c   |  4 ++
 drivers/net/ntnic/nthw/core/nthw_igam.c       | 62 +++++++++++++++++++
 4 files changed, 104 insertions(+)
 create mode 100644 drivers/net/ntnic/nthw/core/include/nthw_igam.h
 create mode 100644 drivers/net/ntnic/nthw/core/nthw_igam.c

diff --git a/drivers/net/ntnic/meson.build b/drivers/net/ntnic/meson.build
index 7e326a3e1d..30a92130b5 100644
--- a/drivers/net/ntnic/meson.build
+++ b/drivers/net/ntnic/meson.build
@@ -56,6 +56,7 @@ sources = files(
         'nthw/core/nthw_gpio_phy.c',
         'nthw/core/nthw_hif.c',
         'nthw/core/nthw_i2cm.c',
+        'nthw/core/nthw_igam.c',
         'nthw/core/nthw_iic.c',
         'nthw/core/nthw_mac_pcs.c',
         'nthw/core/nthw_pcie3.c',
diff --git a/drivers/net/ntnic/nthw/core/include/nthw_igam.h b/drivers/net/ntnic/nthw/core/include/nthw_igam.h
new file mode 100644
index 0000000000..e78637a331
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/include/nthw_igam.h
@@ -0,0 +1,37 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#ifndef __NTHW_IGAM_H__
+#define __NTHW_IGAM_H__
+
+#include "nthw_fpga_model.h"
+
+struct nt_igam {
+	nthw_fpga_t *mp_fpga;
+
+	nthw_module_t *mp_mod_igam;
+
+	int mn_igam_instance;
+
+	nthw_register_t *mp_reg_base;
+	nthw_field_t *mp_fld_base_ptr;
+	nthw_field_t *mp_fld_base_busy;
+	nthw_field_t *mp_fld_base_cmd;
+
+	nthw_register_t *mp_reg_data;
+	nthw_field_t *mp_fld_data_data;
+
+	/* CTRL From version 0.1 */
+	nthw_register_t *mp_reg_ctrl;
+	nthw_field_t *mp_fld_ctrl_forward_rst;
+};
+
+typedef struct nt_igam nthw_igam_t;
+typedef struct nt_igam nthw_igam;
+
+nthw_igam_t *nthw_igam_new(void);
+int nthw_igam_init(nthw_igam_t *p, nthw_fpga_t *p_fpga, int mn_igam_instance);
+
+#endif	/*  __NTHW_IGAM_H__ */
diff --git a/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst_nt400dxx.c b/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst_nt400dxx.c
index 35cbaea81e..95394b9c8f 100644
--- a/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst_nt400dxx.c
+++ b/drivers/net/ntnic/nthw/core/nt400dxx/reset/nthw_fpga_rst_nt400dxx.c
@@ -9,6 +9,7 @@
 #include "nthw_fpga.h"
 #include "nthw_hif.h"
 #include "ntnic_mod_reg.h"
+#include "nthw_igam.h"
 
 static int nthw_fpga_rst_nt400dxx_init(struct fpga_info_s *p_fpga_info)
 {
@@ -198,6 +199,9 @@ static int nthw_fpga_rst_nt400dxx_reset(struct fpga_info_s *p_fpga_info)
 		return -1;
 	}
 
+	nthw_igam_t *p_igam = nthw_igam_new();
+	nthw_igam_init(p_igam, p_fpga, 0);
+
 	return 0;
 }
 
diff --git a/drivers/net/ntnic/nthw/core/nthw_igam.c b/drivers/net/ntnic/nthw/core/nthw_igam.c
new file mode 100644
index 0000000000..5dc7e36c7b
--- /dev/null
+++ b/drivers/net/ntnic/nthw/core/nthw_igam.c
@@ -0,0 +1,62 @@
+/*
+ * SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2023 Napatech A/S
+ */
+
+#include "nt_util.h"
+#include "ntlog.h"
+
+#include "nthw_drv.h"
+#include "nthw_register.h"
+
+#include "nthw_igam.h"
+
+nthw_igam_t *nthw_igam_new(void)
+{
+	nthw_igam_t *p = malloc(sizeof(nthw_igam_t));
+
+	if (p)
+		memset(p, 0, sizeof(nthw_igam_t));
+
+	return p;
+}
+
+int nthw_igam_init(nthw_igam_t *p, nthw_fpga_t *p_fpga, int mn_igam_instance)
+{
+	const char *const p_adapter_id_str = p_fpga->p_fpga_info->mp_adapter_id_str;
+	nthw_module_t *mod = nthw_fpga_query_module(p_fpga, MOD_IGAM, mn_igam_instance);
+
+	if (p == NULL)
+		return mod == NULL ? -1 : 0;
+
+	if (mod == NULL) {
+		NT_LOG(ERR, NTHW, "%s: IGAM %d: no such instance", p_adapter_id_str,
+			mn_igam_instance);
+		return -1;
+	}
+
+	p->mp_fpga = p_fpga;
+	p->mn_igam_instance = mn_igam_instance;
+
+	p->mp_mod_igam = mod;
+
+	p->mp_reg_base = nthw_module_get_register(p->mp_mod_igam, IGAM_BASE);
+	p->mp_fld_base_ptr = nthw_register_get_field(p->mp_reg_base, IGAM_BASE_PTR);
+	p->mp_fld_base_busy = nthw_register_get_field(p->mp_reg_base, IGAM_BASE_BUSY);
+	p->mp_fld_base_cmd = nthw_register_get_field(p->mp_reg_base, IGAM_BASE_CMD);
+
+	p->mp_reg_data = nthw_module_get_register(p->mp_mod_igam, IGAM_DATA);
+	p->mp_fld_data_data = nthw_register_get_field(p->mp_reg_data, IGAM_DATA_DATA);
+
+	p->mp_reg_ctrl = nthw_module_query_register(p->mp_mod_igam, IGAM_CTRL);
+
+	if (p->mp_reg_ctrl) {
+		p->mp_fld_ctrl_forward_rst =
+			nthw_register_get_field(p->mp_reg_ctrl, IGAM_CTRL_FORWARD_RST);
+
+	} else {
+		p->mp_fld_ctrl_forward_rst = NULL;
+	}
+
+	return 0;
+}
-- 
2.45.0