2 * UDI Ne2000 NIC Driver
3 * By John Hodge (thePowersGang)
10 #include "ne2000_common.h"
29 #define NE2K_NUM_INTR_EVENT_CBS 4
32 #define PIO_op_RI(op, reg, sz, val) {UDI_PIO_##op+UDI_PIO_DIRECT+UDI_PIO_##reg, UDI_PIO_##sz##BYTE, val}
33 #define PIO_MOV_RI1(reg, val) PIO_op_RI(LOAD_IMM, reg, 1, val)
34 #define PIO_OUT_RI1(reg, ofs) PIO_op_RI(OUT, reg, 1, ofs)
35 #define PIO_IN_RI1(reg, ofs) PIO_op_RI(IN, reg, 1, ofs)
36 // --- Programmed IO ---
37 #include "ne2000_pio.h"
41 void ne2k_usage_ind(udi_usage_cb_t *cb, udi_ubit8_t resource_level)
45 void ne2k_enumerate_req(udi_enumerate_cb_t *cb, udi_ubit8_t enumeration_level)
47 ne2k_rdata_t *rdata = UDI_GCB(cb)->context;
48 udi_instance_attr_list_t *attr_list = cb->attr_list;
50 switch(enumeration_level)
52 case UDI_ENUMERATE_START:
53 case UDI_ENUMERATE_START_RESCAN:
54 // Emit the ND binding
55 DPT_SET_ATTR32(attr_list, "if_num", 0);
57 DPT_SET_ATTR_STRING(attr_list, "if_media", "eth", 3);
59 NE2K_SET_ATTR_STRFMT(attr_list, "identifier", 2*6+1, "%2X%2X%2X%2X%2X%2X",
60 rdata->macaddr[0], rdata->macaddr[1], rdata->macaddr[2],
61 rdata->macaddr[3], rdata->macaddr[4], rdata->macaddr[5] );
63 cb->attr_valid_length = attr_list - cb->attr_list;
64 udi_enumerate_ack(cb, UDI_ENUMERATE_OK, NE2K_OPS_CTRL);
66 case UDI_ENUMERATE_NEXT:
67 udi_enumerate_ack(cb, UDI_ENUMERATE_DONE, 0);
71 void ne2k_devmgmt_req(udi_mgmt_cb_t *cb, udi_ubit8_t mgmt_op, udi_ubit8_t parent_ID)
74 void ne2k_final_cleanup_req(udi_mgmt_cb_t *cb)
78 void ne2k_bus_dev_channel_event_ind(udi_channel_event_cb_t *cb)
82 case UDI_CHANNEL_CLOSED:
84 case UDI_CHANNEL_BOUND: {
85 udi_bus_bind_cb_t *bus_bind_cb = UDI_MCB(cb->params.parent_bound.bind_cb, udi_bus_bind_cb_t);
86 udi_bus_bind_req( bus_bind_cb );
87 // continue at ne2k_bus_dev_bus_bind_ack
91 void ne2k_bus_dev_bus_bind_ack(udi_bus_bind_cb_t *cb,
92 udi_dma_constraints_t dma_constraints, udi_ubit8_t perferred_endianness, udi_status_t status)
94 udi_cb_t *gcb = UDI_GCB(cb);
95 ne2k_rdata_t *rdata = gcb->context;
96 rdata->active_cb = gcb;
99 rdata->init.pio_index = -1;
100 ne2k_bus_dev_bind__pio_map(gcb, UDI_NULL_PIO_HANDLE);
102 void ne2k_bus_dev_bind__pio_map(udi_cb_t *gcb, udi_pio_handle_t new_pio_handle)
104 ne2k_rdata_t *rdata = gcb->context;
106 if( rdata->init.pio_index != -1 )
108 rdata->pio_handles[rdata->init.pio_index] = new_pio_handle;
110 rdata->init.pio_index ++;
111 if( rdata->init.pio_index < NE2K_NUM_PIO_OPS )
113 udi_pio_map(ne2k_bus_dev_bind__pio_map, gcb,
114 UDI_PCI_BAR_0, 0, 0x20,
115 ne2k_pio_ops[rdata->init.pio_index].trans_list,
116 ne2k_pio_ops[rdata->init.pio_index].list_length,
117 UDI_PIO_LITTLE_ENDIAN, 0, 0
122 // Next: Bind interrupt
123 // - spawn_idx = Interrupt number (0)
124 udi_channel_spawn(ne2k_bus_dev_bind__intr_chanel, gcb, gcb->channel,
125 0, NE2K_OPS_IRQ, rdata);
128 void ne2k_bus_dev_bind__intr_chanel(udi_cb_t *gcb, udi_channel_t new_channel)
130 ne2k_rdata_t *rdata = gcb->context;
132 rdata->interrupt_channel = new_channel;
134 udi_cb_alloc(ne2k_bus_dev_bind__intr_attach, gcb, NE2K_CB_INTR, gcb->channel);
137 void ne2k_bus_dev_bind__intr_attach(udi_cb_t *gcb, udi_cb_t *new_cb)
139 ne2k_rdata_t *rdata = gcb->context;
143 udi_channel_event_complete( UDI_MCB(rdata->active_cb, udi_channel_event_cb_t),
144 UDI_STAT_RESOURCE_UNAVAIL );
147 udi_intr_attach_cb_t *intr_cb = UDI_MCB(new_cb, udi_intr_attach_cb_t);
148 intr_cb->interrupt_idx = 0;
149 intr_cb->min_event_pend = 2;
150 intr_cb->preprocessing_handle = rdata->pio_handles[NE2K_PIO_IRQACK];
151 udi_intr_attach_req(intr_cb);
152 // continued in ne2k_bus_dev_intr_attach_ack
154 void ne2k_bus_dev_bus_unbind_ack(udi_bus_bind_cb_t *cb)
157 void ne2k_bus_dev_intr_attach_ack(udi_intr_attach_cb_t *intr_attach_cb, udi_status_t status)
159 udi_cb_t *gcb = UDI_GCB(intr_attach_cb);
160 ne2k_rdata_t *rdata = gcb->context;
161 // continuing from ne2k_bus_dev_bind__intr_attach
162 if( status != UDI_OK ) {
164 udi_cb_free( UDI_GCB(intr_attach_cb) );
168 rdata->intr_attach_cb = intr_attach_cb;
170 rdata->init.n_intr_event_cb = 0;
171 udi_cb_alloc(ne2k_bus_dev_bind__intr_event_cb, gcb, NE2K_CB_INTR_EVENT, rdata->interrupt_channel);
174 void ne2k_bus_dev_bind__intr_event_cb(udi_cb_t *gcb, udi_cb_t *new_cb)
176 ne2k_rdata_t *rdata = gcb->context;
178 udi_intr_event_cb_t *intr_event_cb = UDI_MCB(new_cb, udi_intr_event_cb_t);
179 udi_intr_event_rdy(intr_event_cb);
180 rdata->init.n_intr_event_cb ++;
182 if( rdata->init.n_intr_event_cb < NE2K_NUM_INTR_EVENT_CBS )
184 udi_cb_alloc(ne2k_bus_dev_bind__intr_event_cb, gcb,
185 NE2K_CB_INTR_EVENT, rdata->interrupt_channel);
190 udi_pio_trans(ne2k_bus_dev_bind__card_reset, gcb,
191 rdata->pio_handles[NE2K_PIO_RESET], 0, NULL, &rdata->macaddr);
195 void ne2k_bus_dev_bind__card_reset(udi_cb_t *gcb, udi_buf_t *new_buf, udi_status_t status, udi_ubit16_t result)
197 ne2k_rdata_t *rdata = gcb->context;
199 udi_channel_event_complete( UDI_MCB(rdata->active_cb, udi_channel_event_cb_t), UDI_OK );
202 void ne2k_bus_dev_intr_detach_ack(udi_intr_detach_cb_t *intr_detach_cb)
206 void ne2k_nd_ctrl_channel_event_ind(udi_channel_event_cb_t *cb)
209 void ne2k_nd_ctrl_bind_req(udi_nic_bind_cb_t *cb, udi_index_t tx_chan_index, udi_index_t rx_chan_index)
211 udi_cb_t *gcb = UDI_GCB(cb);
212 ne2k_rdata_t *rdata = gcb->context;
213 rdata->init.rx_chan_index = rx_chan_index;
214 udi_channel_spawn(ne2k_nd_ctrl_bind__tx_chan_ok, gcb, gcb->channel, tx_chan_index, NE2K_OPS_TX, rdata);
217 void ne2k_nd_ctrl_bind__tx_chan_ok(udi_cb_t *gcb, udi_channel_t new_channel)
219 ne2k_rdata_t *rdata = gcb->context;
220 rdata->tx_channel = new_channel;
221 udi_channel_spawn(ne2k_nd_ctrl_bind__rx_chan_ok, gcb, gcb->channel,
222 rdata->init.rx_chan_index, NE2K_OPS_RX, rdata);
225 void ne2k_nd_ctrl_bind__rx_chan_ok(udi_cb_t *cb, udi_channel_t new_channel)
227 ne2k_rdata_t *rdata = cb->context;
228 rdata->rx_channel = new_channel;
229 udi_nsr_bind_ack( UDI_MCB(cb, udi_nic_bind_cb_t), UDI_OK );
232 void ne2k_nd_ctrl_unbind_req(udi_nic_cb_t *cb)
235 void ne2k_nd_ctrl_enable_req(udi_nic_cb_t *cb)
239 void ne2k_nd_ctrl_disable_req(udi_nic_cb_t *cb)
242 void ne2k_nd_ctrl_ctrl_req(udi_nic_ctrl_cb_t *cb)
245 void ne2k_nd_ctrl_info_req(udi_nic_info_cb_t *cb, udi_boolean_t reset_statistics)
249 void ne2k_bus_irq_channel_event_ind(udi_channel_event_cb_t *cb)
252 void ne2k_bus_irq_intr_event_ind(udi_intr_event_cb_t *cb, udi_ubit8_t flags)
254 if( cb->intr_result & 0x01 )
256 ne2k_intr__rx_ok( UDI_GCB(cb) );
259 udi_intr_event_rdy(cb);
262 // === Definition structures ===
263 udi_mgmt_ops_t ne2k_mgmt_ops = {
267 ne2k_final_cleanup_req
269 udi_ubit8_t ne2k_mgmt_op_flags[4] = {0,0,0,0};
270 udi_bus_device_ops_t ne2k_bus_dev_ops = {
271 ne2k_bus_dev_channel_event_ind,
272 ne2k_bus_dev_bus_bind_ack,
273 ne2k_bus_dev_bus_unbind_ack,
274 ne2k_bus_dev_intr_attach_ack,
275 ne2k_bus_dev_intr_detach_ack
277 udi_ubit8_t ne2k_bus_dev_ops_flags[5] = {0};
278 udi_nd_ctrl_ops_t ne2k_nd_ctrl_ops = {
279 ne2k_nd_ctrl_channel_event_ind,
280 ne2k_nd_ctrl_bind_req,
281 ne2k_nd_ctrl_unbind_req,
282 ne2k_nd_ctrl_enable_req,
283 ne2k_nd_ctrl_disable_req,
284 ne2k_nd_ctrl_ctrl_req,
285 ne2k_nd_ctrl_info_req
287 udi_ubit8_t ne2k_nd_ctrl_ops_flags[7] = {0};
288 udi_nd_tx_ops_t ne2k_nd_tx_ops = {
289 ne2k_nd_tx_channel_event_ind,
291 ne2k_nd_tx_exp_tx_req
293 udi_ubit8_t ne2k_nd_tx_ops_flags[3] = {0};
294 udi_nd_rx_ops_t ne2k_nd_rx_ops = {
295 ne2k_nd_rx_channel_event_ind,
298 udi_ubit8_t ne2k_nd_rx_ops_flags[2] = {0};
299 udi_intr_handler_ops_t ne2k_bus_irq_ops = {
300 ne2k_bus_irq_channel_event_ind,
301 ne2k_bus_irq_intr_event_ind
303 udi_ubit8_t ne2k_bus_irq_ops_flags[2] = {0};
305 udi_primary_init_t ne2k_pri_init = {
306 .mgmt_ops = &ne2k_mgmt_ops,
307 .mgmt_op_flags = ne2k_mgmt_op_flags,
308 .mgmt_scratch_requirement = 0,
309 .enumeration_attr_list_length = 4,
310 .rdata_size = sizeof(ne2k_rdata_t),
311 .child_data_size = 0,
312 .per_parent_paths = 0
314 udi_ops_init_t ne2k_ops_list[] = {
316 NE2K_OPS_DEV, NE2K_META_BUS, UDI_BUS_DEVICE_OPS_NUM,
318 (udi_ops_vector_t*)&ne2k_bus_dev_ops,
319 ne2k_bus_dev_ops_flags
322 NE2K_OPS_CTRL, NE2K_META_NIC, UDI_ND_CTRL_OPS_NUM,
324 (udi_ops_vector_t*)&ne2k_nd_ctrl_ops,
325 ne2k_nd_ctrl_ops_flags
328 NE2K_OPS_TX, NE2K_META_NIC, UDI_ND_TX_OPS_NUM,
330 (udi_ops_vector_t*)&ne2k_nd_tx_ops,
334 NE2K_OPS_RX, NE2K_META_NIC, UDI_ND_RX_OPS_NUM,
336 (udi_ops_vector_t*)&ne2k_nd_rx_ops,
340 NE2K_OPS_IRQ, NE2K_META_BUS, UDI_BUS_INTR_HANDLER_OPS_NUM,
342 (udi_ops_vector_t*)&ne2k_bus_irq_ops,
343 ne2k_bus_irq_ops_flags
347 udi_cb_init_t ne2k_cb_init_list[] = {
348 {NE2K_CB_BUS_BIND, NE2K_META_BUS, UDI_BUS_BIND_CB_NUM, 0, 0,NULL},
349 {NE2K_CB_INTR, NE2K_META_BUS, UDI_BUS_INTR_ATTACH_CB_NUM, 0, 0,NULL},
350 {NE2K_CB_INTR_EVENT, NE2K_META_BUS, UDI_BUS_INTR_EVENT_CB_NUM, 0, 0,NULL},
353 const udi_init_t udi_init_info = {
354 .primary_init_info = &ne2k_pri_init,
355 .ops_init_list = ne2k_ops_list,
356 .cb_init_list = ne2k_cb_init_list,