2 * Copyright (C) 2008-2010
4 * - Kurt Van Dijck, EIA Electronics
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the version 2 of the GNU General Public License
8 * as published by the Free Software Foundation
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, see <http://www.gnu.org/licenses/>.
19 #include <linux/module.h>
20 #include <linux/kernel.h>
21 #include <linux/slab.h>
23 #include <pcmcia/cistpl.h>
24 #include <pcmcia/ds.h>
26 #include "softing_platform.h"
28 static int softingcs_index;
29 static DEFINE_SPINLOCK(softingcs_index_lock);
31 static int softingcs_reset(struct platform_device *pdev, int v);
32 static int softingcs_enable_irq(struct platform_device *pdev, int v);
35 * platform_data descriptions
37 #define MHZ (1000*1000)
38 static const struct softing_platform_data softingcs_platform_data[] = {
41 .manf = 0x0168, .prod = 0x001,
44 .freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
46 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
47 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
48 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
49 .reset = softingcs_reset,
50 .enable_irq = softingcs_enable_irq,
52 .name = "CANcard-NEC",
53 .manf = 0x0168, .prod = 0x002,
56 .freq = 16 * MHZ, .max_brp = 32, .max_sjw = 4,
58 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
59 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
60 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
61 .reset = softingcs_reset,
62 .enable_irq = softingcs_enable_irq,
64 .name = "CANcard-SJA",
65 .manf = 0x0168, .prod = 0x004,
68 .freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
70 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
71 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
72 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
73 .reset = softingcs_reset,
74 .enable_irq = softingcs_enable_irq,
77 .manf = 0x0168, .prod = 0x005,
80 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
82 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
83 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
84 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
85 .reset = softingcs_reset,
88 .name = "Vector-CANcard",
89 .manf = 0x0168, .prod = 0x081,
92 .freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
94 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
95 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
96 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
97 .reset = softingcs_reset,
98 .enable_irq = softingcs_enable_irq,
100 .name = "Vector-CANcard-SJA",
101 .manf = 0x0168, .prod = 0x084,
104 .freq = 20 * MHZ, .max_brp = 32, .max_sjw = 4,
105 .dpram_size = 0x0800,
106 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
107 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
108 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
109 .reset = softingcs_reset,
110 .enable_irq = softingcs_enable_irq,
112 .name = "Vector-CANcard-2",
113 .manf = 0x0168, .prod = 0x085,
116 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
117 .dpram_size = 0x1000,
118 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
119 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
120 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
121 .reset = softingcs_reset,
124 .name = "EDICcard-NEC",
125 .manf = 0x0168, .prod = 0x102,
128 .freq = 16 * MHZ, .max_brp = 64, .max_sjw = 4,
129 .dpram_size = 0x0800,
130 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
131 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
132 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
133 .reset = softingcs_reset,
134 .enable_irq = softingcs_enable_irq,
136 .name = "EDICcard-2",
137 .manf = 0x0168, .prod = 0x105,
140 .freq = 24 * MHZ, .max_brp = 64, .max_sjw = 4,
141 .dpram_size = 0x1000,
142 .boot = {0x0000, 0x000000, fw_dir "/*(DEBLOBBED)*/",},
143 .load = {0x0120, 0x00f600, fw_dir "/*(DEBLOBBED)*/",},
144 .app = {0x0010, 0x0d0000, fw_dir "/*(DEBLOBBED)*/",},
145 .reset = softingcs_reset,
154 static const struct softing_platform_data
155 *softingcs_find_platform_data(unsigned int manf, unsigned int prod)
157 const struct softing_platform_data *lp;
159 for (lp = softingcs_platform_data; lp->manf; ++lp) {
160 if ((lp->manf == manf) && (lp->prod == prod))
167 * platformdata callbacks
169 static int softingcs_reset(struct platform_device *pdev, int v)
171 struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
173 dev_dbg(&pdev->dev, "pcmcia config [2] %02x\n", v ? 0 : 0x20);
174 return pcmcia_write_config_byte(pcmcia, 2, v ? 0 : 0x20);
177 static int softingcs_enable_irq(struct platform_device *pdev, int v)
179 struct pcmcia_device *pcmcia = to_pcmcia_dev(pdev->dev.parent);
181 dev_dbg(&pdev->dev, "pcmcia config [0] %02x\n", v ? 0x60 : 0);
182 return pcmcia_write_config_byte(pcmcia, 0, v ? 0x60 : 0);
188 static int softingcs_probe_config(struct pcmcia_device *pcmcia, void *priv_data)
190 struct softing_platform_data *pdat = priv_data;
191 struct resource *pres;
195 pres = pcmcia->resource[PCMCIA_IOMEM_0];
196 if (resource_size(pres) < 0x1000)
199 pres->flags |= WIN_MEMORY_TYPE_CM | WIN_ENABLE;
200 if (pdat->generation < 2) {
201 pres->flags |= WIN_USE_WAIT | WIN_DATA_WIDTH_8;
204 pres->flags |= WIN_DATA_WIDTH_16;
206 return pcmcia_request_window(pcmcia, pres, memspeed);
209 static void softingcs_remove(struct pcmcia_device *pcmcia)
211 struct platform_device *pdev = pcmcia->priv;
214 platform_device_unregister(pdev);
215 /* release pcmcia stuff */
216 pcmcia_disable_device(pcmcia);
220 * platform_device wrapper
221 * pdev->resource has 2 entries: io & irq
223 static void softingcs_pdev_release(struct device *dev)
225 struct platform_device *pdev = to_platform_device(dev);
229 static int softingcs_probe(struct pcmcia_device *pcmcia)
232 struct platform_device *pdev;
233 const struct softing_platform_data *pdat;
234 struct resource *pres;
236 struct platform_device pdev;
237 struct resource res[2];
240 /* find matching platform_data */
241 pdat = softingcs_find_platform_data(pcmcia->manf_id, pcmcia->card_id);
245 /* setup pcmcia device */
246 pcmcia->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IOMEM |
247 CONF_AUTO_SET_VPP | CONF_AUTO_CHECK_VCC;
248 ret = pcmcia_loop_config(pcmcia, softingcs_probe_config, (void *)pdat);
252 ret = pcmcia_enable_device(pcmcia);
256 pres = pcmcia->resource[PCMCIA_IOMEM_0];
262 /* create softing platform device */
263 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
268 dev->pdev.resource = dev->res;
269 dev->pdev.num_resources = ARRAY_SIZE(dev->res);
270 dev->pdev.dev.release = softingcs_pdev_release;
273 pdev->dev.platform_data = (void *)pdat;
274 pdev->dev.parent = &pcmcia->dev;
277 /* platform device resources */
278 pdev->resource[0].flags = IORESOURCE_MEM;
279 pdev->resource[0].start = pres->start;
280 pdev->resource[0].end = pres->end;
282 pdev->resource[1].flags = IORESOURCE_IRQ;
283 pdev->resource[1].start = pcmcia->irq;
284 pdev->resource[1].end = pdev->resource[1].start;
286 /* platform device setup */
287 spin_lock(&softingcs_index_lock);
288 pdev->id = softingcs_index++;
289 spin_unlock(&softingcs_index_lock);
290 pdev->name = "softing";
291 dev_set_name(&pdev->dev, "softingcs.%i", pdev->id);
292 ret = platform_device_register(pdev);
294 goto platform_failed;
296 dev_info(&pcmcia->dev, "created %s\n", dev_name(&pdev->dev));
304 pcmcia_disable_device(pcmcia);
306 return ret ?: -ENODEV;
309 static const struct pcmcia_device_id softingcs_ids[] = {
311 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0001),
312 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0002),
313 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0004),
314 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0005),
315 /* vector, manufacturer? */
316 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0081),
317 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0084),
318 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0085),
320 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0102),
321 PCMCIA_DEVICE_MANF_CARD(0x0168, 0x0105),
325 MODULE_DEVICE_TABLE(pcmcia, softingcs_ids);
327 static struct pcmcia_driver softingcs_driver = {
328 .owner = THIS_MODULE,
330 .id_table = softingcs_ids,
331 .probe = softingcs_probe,
332 .remove = softingcs_remove,
335 module_pcmcia_driver(softingcs_driver);
337 MODULE_DESCRIPTION("softing CANcard driver"
338 ", links PCMCIA card to softing driver");
339 MODULE_LICENSE("GPL v2");