1/*-
2 * Copyright (c) 2012 Semihalf.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 */
26
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD$");
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/module.h>
34#include <sys/bus.h>
35#include <sys/rman.h>
36#include <sys/malloc.h>
37#include <sys/mbuf.h>
38#include <sys/socket.h>
39#include <sys/sysctl.h>
40#include <sys/sockio.h>
41
42#include <net/ethernet.h>
43#include <net/if.h>
44#include <net/if_dl.h>
45#include <net/if_media.h>
46#include <net/if_types.h>
47#include <net/if_arp.h>
48
49#include <dev/mii/mii.h>
50#include <dev/mii/miivar.h>
51
52#include "miibus_if.h"
53
54#include <contrib/ncsw/inc/Peripherals/fm_mac_ext.h>
55#include <contrib/ncsw/inc/Peripherals/fm_port_ext.h>
56#include <contrib/ncsw/inc/xx_ext.h>
57
58#include "fman.h"
59#include "if_dtsec.h"
60#include "if_dtsec_im.h"
61
62
63/**
64 * @group dTSEC FMan PORT routines.
65 * @{
66 */
67static e_RxStoreResponse
68dtsec_im_fm_port_rx_callback(t_Handle app, uint8_t *data, uint16_t length,
69    uint16_t status, uint8_t position, t_Handle buf_context)
70{
71	struct dtsec_softc *sc;
72	struct mbuf *m;
73
74	/* TODO STATUS / Position checking */
75	sc = app;
76
77	m = m_devget(data, length, 0, sc->sc_ifnet, NULL);
78	if (m)
79		(*sc->sc_ifnet->if_input)(sc->sc_ifnet, m);
80
81	XX_FreeSmart(data);
82
83	return (e_RX_STORE_RESPONSE_CONTINUE);
84}
85
86static void
87dtsec_im_fm_port_tx_conf_callback(t_Handle app, uint8_t *data, uint16_t status,
88    t_Handle buf_context)
89{
90
91	/* TODO: Check status */
92	XX_FreeSmart(data);
93}
94
95static uint8_t *
96dtsec_im_fm_port_rx_get_buf(t_Handle buffer_pool, t_Handle *buf_context_handle)
97{
98	struct dtsec_softc *sc;
99	uint8_t *buffer;
100
101	sc = buffer_pool;
102
103	buffer = XX_MallocSmart(FM_PORT_BUFFER_SIZE, 0, sizeof(void *));
104	if (!buffer)
105		device_printf(sc->sc_dev, "couldn't allocate RX buffer.\n");
106
107	return (buffer);
108}
109
110static t_Error
111dtsec_im_fm_port_rx_put_buf(t_Handle buffer_pool, uint8_t *buffer,
112    t_Handle buf_context)
113{
114
115	XX_FreeSmart(buffer);
116	return (E_OK);
117}
118
119int
120dtsec_im_fm_port_rx_init(struct dtsec_softc *sc, int unit)
121{
122	t_FmPortParams params;
123	t_BufferPoolInfo *pool_params;
124	t_FmPortImRxTxParams *im_params;
125	t_Error error;
126
127	memset(&params, 0, sizeof(params));
128
129	params.baseAddr = sc->sc_fm_base + sc->sc_port_rx_hw_id;
130	params.h_Fm = sc->sc_fmh;
131	params.portType = dtsec_fm_port_rx_type(sc->sc_eth_dev_type);
132	params.portId = sc->sc_eth_id;
133	params.independentModeEnable = TRUE;
134	params.liodnBase = FM_PORT_LIODN_BASE;
135	params.f_Exception = dtsec_fm_port_rx_exception_callback;
136	params.h_App = sc;
137
138	im_params = &params.specificParams.imRxTxParams;
139	im_params->h_FmMuram = sc->sc_muramh;
140	im_params->liodnOffset = FM_PORT_LIODN_OFFSET;
141	im_params->dataMemId = FM_PORT_MEM_ID;
142	im_params->dataMemAttributes = FM_PORT_MEM_ATTR;
143	im_params->f_RxStore = dtsec_im_fm_port_rx_callback;
144
145	pool_params = &params.specificParams.imRxTxParams.rxPoolParams;
146	pool_params->h_BufferPool = sc;
147	pool_params->f_GetBuf = dtsec_im_fm_port_rx_get_buf;
148	pool_params->f_PutBuf = dtsec_im_fm_port_rx_put_buf;
149	pool_params->bufferSize = FM_PORT_BUFFER_SIZE;
150
151	sc->sc_rxph = FM_PORT_Config(&params);
152	if (sc->sc_rxph == NULL) {
153		device_printf(sc->sc_dev, "couldn't configure FM Port RX.\n");
154		return (ENXIO);
155	}
156
157	error = FM_PORT_Init(sc->sc_rxph);
158	if (error != E_OK) {
159		device_printf(sc->sc_dev, "couldn't initialize FM Port RX.\n");
160		FM_PORT_Free(sc->sc_rxph);
161		return (ENXIO);
162	}
163
164	if (bootverbose)
165		device_printf(sc->sc_dev, "RX hw port 0x%02x initialized.\n",
166		    sc->sc_port_rx_hw_id);
167
168	return (0);
169}
170
171int
172dtsec_im_fm_port_tx_init(struct dtsec_softc *sc, int unit)
173{
174	t_FmPortParams params;
175	t_FmPortImRxTxParams *im_params;
176	t_Error error;
177
178	memset(&params, 0, sizeof(params));
179
180	params.baseAddr = sc->sc_fm_base + sc->sc_port_tx_hw_id;
181	params.h_Fm = sc->sc_fmh;
182	params.portType = dtsec_fm_port_tx_type(sc->sc_eth_dev_type);
183	params.portId = unit;
184	params.independentModeEnable = TRUE;
185	params.liodnBase = FM_PORT_LIODN_BASE;
186	params.f_Exception = dtsec_fm_port_tx_exception_callback;
187	params.h_App = sc;
188
189	im_params = &params.specificParams.imRxTxParams;
190	im_params->h_FmMuram = sc->sc_muramh;
191	im_params->liodnOffset = FM_PORT_LIODN_OFFSET;
192	im_params->dataMemId = FM_PORT_MEM_ID;
193	im_params->dataMemAttributes = FM_PORT_MEM_ATTR;
194	im_params->f_TxConf = dtsec_im_fm_port_tx_conf_callback;
195
196	sc->sc_txph = FM_PORT_Config(&params);
197	if (sc->sc_txph == NULL) {
198		device_printf(sc->sc_dev, "couldn't configure FM Port TX.\n");
199		return (ENXIO);
200	}
201
202	error = FM_PORT_Init(sc->sc_txph);
203	if (error != E_OK) {
204		device_printf(sc->sc_dev, "couldn't initialize FM Port TX.\n");
205		FM_PORT_Free(sc->sc_txph);
206		return (ENXIO);
207	}
208
209	if (bootverbose)
210		device_printf(sc->sc_dev, "TX hw port 0x%02x initialized.\n",
211		    sc->sc_port_tx_hw_id);
212
213	return (0);
214}
215/** @} */
216
217
218/**
219 * @group dTSEC IFnet routines.
220 * @{
221 */
222void
223dtsec_im_if_start_locked(struct dtsec_softc *sc)
224{
225	uint8_t *buffer;
226	uint16_t length;
227	struct mbuf *m;
228	int error;
229
230	DTSEC_LOCK_ASSERT(sc);
231	/* TODO: IFF_DRV_OACTIVE */
232
233	if ((sc->sc_mii->mii_media_status & IFM_ACTIVE) == 0)
234		return;
235
236	if ((sc->sc_ifnet->if_drv_flags & IFF_DRV_RUNNING) != IFF_DRV_RUNNING)
237		return;
238
239	while (!IFQ_DRV_IS_EMPTY(&sc->sc_ifnet->if_snd)) {
240		IFQ_DRV_DEQUEUE(&sc->sc_ifnet->if_snd, m);
241		if (m == NULL)
242			break;
243
244		length = m_length(m, NULL);
245		buffer = XX_MallocSmart(length, 0, sizeof(void *));
246		if (!buffer) {
247			m_freem(m);
248			break;
249		}
250
251		m_copydata(m, 0, length, buffer);
252		m_freem(m);
253
254		error = FM_PORT_ImTx(sc->sc_txph, buffer, length, TRUE, buffer);
255		if (error != E_OK) {
256			/* TODO: Ring full */
257			XX_FreeSmart(buffer);
258			break;
259		}
260	}
261}
262/** @} */
263