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20#include <linux/module.h>
21#include <linux/kernel.h>
22#include <linux/slab.h>
23
24#include <pcmcia/cistpl.h>
25#include <pcmcia/ds.h>
26
27#include "softing_platform.h"
28
29static int softingcs_index;
30static DEFINE_SPINLOCK(softingcs_index_lock);
31
32static int softingcs_reset(struct platform_device *pdev, int v);
33static int softingcs_enable_irq(struct platform_device *pdev, int v);
34
35
36
37
38#define MHZ (1000*1000)
39static const struct softing_platform_data softingcs_platform_data[] = {
40{
41 .name = "CANcard",
42 .manf = 0x0168, .prod = 0x001,
43 .generation = 1,
44 .nbus = 2,
45 .freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
46 .dpram_size = 0x0800,
47 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
48 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
49 .app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
50 .reset = softingcs_reset,
51 .enable_irq = softingcs_enable_irq,
52}, {
53 .name = "CANcard-NEC",
54 .manf = 0x0168, .prod = 0x002,
55 .generation = 1,
56 .nbus = 2,
57 .freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
58 .dpram_size = 0x0800,
59 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
60 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
61 .app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
62 .reset = softingcs_reset,
63 .enable_irq = softingcs_enable_irq,
64}, {
65 .name = "CANcard-SJA",
66 .manf = 0x0168, .prod = 0x004,
67 .generation = 1,
68 .nbus = 2,
69 .freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
70 .dpram_size = 0x0800,
71 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
72 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
73 .app = {0x0010, 0x0d0000, fw_dir "cansja.bin",},
74 .reset = softingcs_reset,
75 .enable_irq = softingcs_enable_irq,
76}, {
77 .name = "CANcard-2",
78 .manf = 0x0168, .prod = 0x005,
79 .generation = 2,
80 .nbus = 2,
81 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
82 .dpram_size = 0x1000,
83 .boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
84 .load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
85 .app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
86 .reset = softingcs_reset,
87 .enable_irq = NULL,
88}, {
89 .name = "Vector-CANcard",
90 .manf = 0x0168, .prod = 0x081,
91 .generation = 1,
92 .nbus = 2,
93 .freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
94 .dpram_size = 0x0800,
95 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
96 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
97 .app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
98 .reset = softingcs_reset,
99 .enable_irq = softingcs_enable_irq,
100}, {
101 .name = "Vector-CANcard-SJA",
102 .manf = 0x0168, .prod = 0x084,
103 .generation = 1,
104 .nbus = 2,
105 .freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
106 .dpram_size = 0x0800,
107 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
108 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
109 .app = {0x0010, 0x0d0000, fw_dir "cansja.bin",},
110 .reset = softingcs_reset,
111 .enable_irq = softingcs_enable_irq,
112}, {
113 .name = "Vector-CANcard-2",
114 .manf = 0x0168, .prod = 0x085,
115 .generation = 2,
116 .nbus = 2,
117 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
118 .dpram_size = 0x1000,
119 .boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
120 .load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
121 .app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
122 .reset = softingcs_reset,
123 .enable_irq = NULL,
124}, {
125 .name = "EDICcard-NEC",
126 .manf = 0x0168, .prod = 0x102,
127 .generation = 1,
128 .nbus = 2,
129 .freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
130 .dpram_size = 0x0800,
131 .boot = {0x0000, 0x000000, fw_dir "bcard.bin",},
132 .load = {0x0120, 0x00f600, fw_dir "ldcard.bin",},
133 .app = {0x0010, 0x0d0000, fw_dir "cancard.bin",},
134 .reset = softingcs_reset,
135 .enable_irq = softingcs_enable_irq,
136}, {
137 .name = "EDICcard-2",
138 .manf = 0x0168, .prod = 0x105,
139 .generation = 2,
140 .nbus = 2,
141 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
142 .dpram_size = 0x1000,
143 .boot = {0x0000, 0x000000, fw_dir "bcard2.bin",},
144 .load = {0x0120, 0x00f600, fw_dir "ldcard2.bin",},
145 .app = {0x0010, 0x0d0000, fw_dir "cancrd2.bin",},
146 .reset = softingcs_reset,
147 .enable_irq = NULL,
148}, {
149 0, 0,
150},
151};
152
153MODULE_FIRMWARE(fw_dir "bcard.bin");
154MODULE_FIRMWARE(fw_dir "ldcard.bin");
155MODULE_FIRMWARE(fw_dir "cancard.bin");
156MODULE_FIRMWARE(fw_dir "cansja.bin");
157
158MODULE_FIRMWARE(fw_dir "bcard2.bin");
159MODULE_FIRMWARE(fw_dir "ldcard2.bin");
160MODULE_FIRMWARE(fw_dir "cancrd2.bin");
161
162static const struct softing_platform_data
163*softingcs_find_platform_data(unsigned int manf, unsigned int prod)
164{
165 const struct softing_platform_data *lp;
166
167 for (lp = softingcs_platform_data; lp->manf; ++lp) {
168 if ((lp->manf == manf) && (lp->prod == prod))
169 return lp;
170 }
171 return NULL;
172}
173
174
175
176
177static int softingcs_reset(struct platform_device *pdev, int v)
178{
179 struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
180
181 dev_dbg(&pdev->dev, "pcmcia config [2] %02x\n", v ? 0 : 0x20);
182 return pcmcia_write_config_byte(pcmcia, 2, v ? 0 : 0x20);
183}
184
185static int softingcs_enable_irq(struct platform_device *pdev, int v)
186{
187 struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
188
189 dev_dbg(&pdev->dev, "pcmcia config [0] %02x\n", v ? 0x60 : 0);
190 return pcmcia_write_config_byte(pcmcia, 0, v ? 0x60 : 0);
191}
192
193
194
195
196static int softingcs_probe_config(struct pcmcia_device *pcmcia, void *priv_data)
197{
198 struct softing_platform_data *pdat = priv_data;
199 struct resource *pres;
200 int memspeed = 0;
201
202 WARN_ON(!pdat);
203 pres = pcmcia->resource[PCMCIA_IOMEM_0];
204 if (resource_size(pres) < 0x1000)
205 return -ERANGE;
206
207 pres->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE;
208 if (pdat->generation < 2) {
209 pres->flags |= WIN_USE_WAIT | WIN_DATA_WIDTH_8;
210 memspeed = 3;
211 } else {
212 pres->flags |= WIN_DATA_WIDTH_16;
213 }
214 return pcmcia_request_window(pcmcia, pres, memspeed);
215}
216
217static void softingcs_remove(struct pcmcia_device *pcmcia)
218{
219 struct platform_device *pdev = pcmcia->priv;
220
221
222 platform_device_unregister(pdev);
223
224 pcmcia_disable_device(pcmcia);
225}
226
227
228
229
230
231static void softingcs_pdev_release(struct device *dev)
232{
233 struct platform_device *pdev = to_platform_device(dev);
234 kfree(pdev);
235}
236
237static int softingcs_probe(struct pcmcia_device *pcmcia)
238{
239 int ret;
240 struct platform_device *pdev;
241 const struct softing_platform_data *pdat;
242 struct resource *pres;
243 struct dev {
244 struct platform_device pdev;
245 struct resource res[2];
246 } *dev;
247
248
249 pdat = softingcs_find_platform_data(pcmcia->manf_id, pcmcia->card_id);
250 if (!pdat)
251 return -ENOTTY;
252
253
254 pcmcia->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IOMEM |
255 CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC;
256 ret = pcmcia_loop_config(pcmcia, softingcs_probe_config, (void *)pdat);
257 if (ret)
258 goto pcmcia_failed;
259
260 ret = pcmcia_enable_device(pcmcia);
261 if (ret < 0)
262 goto pcmcia_failed;
263
264 pres = pcmcia->resource[PCMCIA_IOMEM_0];
265 if (!pres) {
266 ret = -EBADF;
267 goto pcmcia_bad;
268 }
269
270
271 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
272 if (!dev) {
273 ret = -ENOMEM;
274 goto mem_failed;
275 }
276 dev->pdev.resource = dev->res;
277 dev->pdev.num_resources = ARRAY_SIZE(dev->res);
278 dev->pdev.dev.release = softingcs_pdev_release;
279
280 pdev = &dev->pdev;
281 pdev->dev.platform_data = (void *)pdat;
282 pdev->dev.parent = &pcmcia->dev;
283 pcmcia->priv = pdev;
284
285
286 pdev->resource[0].flags = IORESOURCE_MEM;
287 pdev->resource[0].start = pres->start;
288 pdev->resource[0].end = pres->end;
289
290 pdev->resource[1].flags = IORESOURCE_IRQ;
291 pdev->resource[1].start = pcmcia->irq;
292 pdev->resource[1].end = pdev->resource[1].start;
293
294
295 spin_lock(&softingcs_index_lock);
296 pdev->id = softingcs_index++;
297 spin_unlock(&softingcs_index_lock);
298 pdev->name = "softing";
299 dev_set_name(&pdev->dev, "softingcs.%i", pdev->id);
300 ret = platform_device_register(pdev);
301 if (ret < 0)
302 goto platform_failed;
303
304 dev_info(&pcmcia->dev, "created %s\n", dev_name(&pdev->dev));
305 return 0;
306
307platform_failed:
308 kfree(dev);
309mem_failed:
310pcmcia_bad:
311pcmcia_failed:
312 pcmcia_disable_device(pcmcia);
313 pcmcia->priv = NULL;
314 return ret ?: -ENODEV;
315}
316
317static const struct pcmcia_device_id softingcs_ids[] = {
318
319 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0001),
320 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0002),
321 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0004),
322 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0005),
323
324 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0081),
325 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0084),
326 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0085),
327
328 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0102),
329 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0105),
330 PCMCIA_DEVICE_NULL,
331};
332
333MODULE_DEVICE_TABLE(pcmcia, softingcs_ids);
334
335static struct pcmcia_driver softingcs_driver = {
336 .owner = THIS_MODULE,
337 .name = "softingcs",
338 .id_table = softingcs_ids,
339 .probe = softingcs_probe,
340 .remove = softingcs_remove,
341};
342
343module_pcmcia_driver(softingcs_driver);
344
345MODULE_DESCRIPTION("softing CANcard driver"
346 ", links PCMCIA card to softing driver");
347MODULE_LICENSE("GPL v2");
348
