1 #include <linux/module.h>
4 #include "../comedidev.h"
6 #include "amcc_s5933.h"
8 #include "addi-data/addi_common.h"
10 #include "addi-data/hwdrv_apci3120.c"
12 enum apci3120_boardid {
17 static const struct addi_board apci3120_boardtypes[] = {
19 .pc_DriverName = "apci3120",
21 .i_NbrAiChannelDiff = 8,
22 .i_AiChannelList = 16,
24 .i_AiMaxdata = 0xffff,
25 .i_AoMaxdata = 0x3fff,
29 .interrupt = apci3120_interrupt,
32 .pc_DriverName = "apci3001",
34 .i_NbrAiChannelDiff = 8,
35 .i_AiChannelList = 16,
40 .interrupt = apci3120_interrupt,
44 static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
46 struct comedi_device *dev = d;
47 const struct addi_board *this_board = comedi_board(dev);
49 this_board->interrupt(irq, d);
53 static int apci3120_auto_attach(struct comedi_device *dev,
54 unsigned long context)
56 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
57 const struct addi_board *this_board = NULL;
58 struct addi_private *devpriv;
59 struct comedi_subdevice *s;
62 if (context < ARRAY_SIZE(apci3120_boardtypes))
63 this_board = &apci3120_boardtypes[context];
66 dev->board_ptr = this_board;
67 dev->board_name = this_board->pc_DriverName;
69 devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
73 ret = comedi_pci_enable(dev);
76 pci_set_master(pcidev);
78 dev->iobase = pci_resource_start(pcidev, 1);
79 devpriv->iobase = dev->iobase;
80 devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
81 devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
82 devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
84 if (pcidev->irq > 0) {
85 ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
86 dev->board_name, dev);
88 dev->irq = pcidev->irq;
91 devpriv->us_UseDma = ADDI_ENABLE;
93 /* Allocate DMA buffers */
94 devpriv->b_DmaDoubleBuffer = 0;
95 for (i = 0; i < 2; i++) {
96 for (pages = 4; pages >= 0; pages--) {
97 devpriv->ul_DmaBufferVirtual[i] =
98 (void *) __get_free_pages(GFP_KERNEL, pages);
100 if (devpriv->ul_DmaBufferVirtual[i])
103 if (devpriv->ul_DmaBufferVirtual[i]) {
104 devpriv->ui_DmaBufferPages[i] = pages;
105 devpriv->ui_DmaBufferSize[i] = PAGE_SIZE * pages;
106 devpriv->ul_DmaBufferHw[i] =
107 virt_to_bus((void *)devpriv->
108 ul_DmaBufferVirtual[i]);
111 if (!devpriv->ul_DmaBufferVirtual[0])
112 devpriv->us_UseDma = ADDI_DISABLE;
114 if (devpriv->ul_DmaBufferVirtual[1])
115 devpriv->b_DmaDoubleBuffer = 1;
117 ret = comedi_alloc_subdevices(dev, 5);
121 /* Allocate and Initialise AI Subdevice Structures */
122 s = &dev->subdevices[0];
123 dev->read_subdev = s;
124 s->type = COMEDI_SUBD_AI;
126 SDF_READABLE | SDF_COMMON | SDF_GROUND
128 if (this_board->i_NbrAiChannel) {
129 s->n_chan = this_board->i_NbrAiChannel;
130 devpriv->b_SingelDiff = 0;
132 s->n_chan = this_board->i_NbrAiChannelDiff;
133 devpriv->b_SingelDiff = 1;
135 s->maxdata = this_board->i_AiMaxdata;
136 s->len_chanlist = this_board->i_AiChannelList;
137 s->range_table = &range_apci3120_ai;
139 s->insn_config = apci3120_ai_insn_config;
140 s->insn_read = apci3120_ai_insn_read;
141 s->do_cmdtest = apci3120_ai_cmdtest;
142 s->do_cmd = apci3120_ai_cmd;
143 s->cancel = apci3120_cancel;
145 /* Allocate and Initialise AO Subdevice Structures */
146 s = &dev->subdevices[1];
147 if (this_board->i_NbrAoChannel) {
148 s->type = COMEDI_SUBD_AO;
149 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
150 s->n_chan = this_board->i_NbrAoChannel;
151 s->maxdata = this_board->i_AoMaxdata;
152 s->len_chanlist = this_board->i_NbrAoChannel;
153 s->range_table = &range_apci3120_ao;
154 s->insn_write = apci3120_ao_insn_write;
156 s->type = COMEDI_SUBD_UNUSED;
159 /* Allocate and Initialise DI Subdevice Structures */
160 s = &dev->subdevices[2];
161 s->type = COMEDI_SUBD_DI;
162 s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
163 s->n_chan = this_board->i_NbrDiChannel;
165 s->len_chanlist = this_board->i_NbrDiChannel;
166 s->range_table = &range_digital;
167 s->insn_bits = apci3120_di_insn_bits;
169 /* Allocate and Initialise DO Subdevice Structures */
170 s = &dev->subdevices[3];
171 s->type = COMEDI_SUBD_DO;
173 SDF_READABLE | SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
174 s->n_chan = this_board->i_NbrDoChannel;
175 s->maxdata = this_board->i_DoMaxdata;
176 s->len_chanlist = this_board->i_NbrDoChannel;
177 s->range_table = &range_digital;
178 s->insn_bits = apci3120_do_insn_bits;
180 /* Allocate and Initialise Timer Subdevice Structures */
181 s = &dev->subdevices[4];
182 s->type = COMEDI_SUBD_TIMER;
183 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
187 s->range_table = &range_digital;
189 s->insn_write = apci3120_write_insn_timer;
190 s->insn_read = apci3120_read_insn_timer;
191 s->insn_config = apci3120_config_insn_timer;
197 static void apci3120_detach(struct comedi_device *dev)
199 struct addi_private *devpriv = dev->private;
205 free_irq(dev->irq, dev);
206 if (devpriv->ul_DmaBufferVirtual[0]) {
207 free_pages((unsigned long)devpriv->
208 ul_DmaBufferVirtual[0],
209 devpriv->ui_DmaBufferPages[0]);
211 if (devpriv->ul_DmaBufferVirtual[1]) {
212 free_pages((unsigned long)devpriv->
213 ul_DmaBufferVirtual[1],
214 devpriv->ui_DmaBufferPages[1]);
217 comedi_pci_disable(dev);
220 static struct comedi_driver apci3120_driver = {
221 .driver_name = "addi_apci_3120",
222 .module = THIS_MODULE,
223 .auto_attach = apci3120_auto_attach,
224 .detach = apci3120_detach,
227 static int apci3120_pci_probe(struct pci_dev *dev,
228 const struct pci_device_id *id)
230 return comedi_pci_auto_config(dev, &apci3120_driver, id->driver_data);
233 static const struct pci_device_id apci3120_pci_table[] = {
234 { PCI_VDEVICE(AMCC, 0x818d), BOARD_APCI3120 },
235 { PCI_VDEVICE(AMCC, 0x828d), BOARD_APCI3001 },
238 MODULE_DEVICE_TABLE(pci, apci3120_pci_table);
240 static struct pci_driver apci3120_pci_driver = {
241 .name = "addi_apci_3120",
242 .id_table = apci3120_pci_table,
243 .probe = apci3120_pci_probe,
244 .remove = comedi_pci_auto_unconfig,
246 module_comedi_pci_driver(apci3120_driver, apci3120_pci_driver);
248 MODULE_AUTHOR("Comedi http://www.comedi.org");
249 MODULE_DESCRIPTION("ADDI-DATA APCI-3120, Analog input board");
250 MODULE_LICENSE("GPL");