3 #include "../comedidev.h"
5 #include "amcc_s5933.h"
7 #include "addi-data/addi_common.h"
9 #include "addi-data/hwdrv_apci3120.c"
11 enum apci3120_boardid {
16 static const struct addi_board apci3120_boardtypes[] = {
18 .pc_DriverName = "apci3120",
20 .i_NbrAiChannelDiff = 8,
21 .i_AiChannelList = 16,
23 .i_AiMaxdata = 0xffff,
24 .i_AoMaxdata = 0x3fff,
28 .interrupt = v_APCI3120_Interrupt,
31 .pc_DriverName = "apci3001",
33 .i_NbrAiChannelDiff = 8,
34 .i_AiChannelList = 16,
39 .interrupt = v_APCI3120_Interrupt,
43 static irqreturn_t v_ADDI_Interrupt(int irq, void *d)
45 struct comedi_device *dev = d;
46 const struct addi_board *this_board = comedi_board(dev);
48 this_board->interrupt(irq, d);
52 static int apci3120_auto_attach(struct comedi_device *dev,
53 unsigned long context)
55 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
56 const struct addi_board *this_board = NULL;
57 struct addi_private *devpriv;
58 struct comedi_subdevice *s;
61 if (context < ARRAY_SIZE(apci3120_boardtypes))
62 this_board = &apci3120_boardtypes[context];
65 dev->board_ptr = this_board;
66 dev->board_name = this_board->pc_DriverName;
68 devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
72 ret = comedi_pci_enable(dev);
75 pci_set_master(pcidev);
77 dev->iobase = pci_resource_start(pcidev, 1);
78 devpriv->iobase = dev->iobase;
79 devpriv->i_IobaseAmcc = pci_resource_start(pcidev, 0);
80 devpriv->i_IobaseAddon = pci_resource_start(pcidev, 2);
81 devpriv->i_IobaseReserved = pci_resource_start(pcidev, 3);
83 if (pcidev->irq > 0) {
84 ret = request_irq(pcidev->irq, v_ADDI_Interrupt, IRQF_SHARED,
85 dev->board_name, dev);
87 dev->irq = pcidev->irq;
90 devpriv->us_UseDma = ADDI_ENABLE;
92 /* Allocate DMA buffers */
93 devpriv->b_DmaDoubleBuffer = 0;
94 for (i = 0; i < 2; i++) {
95 for (pages = 4; pages >= 0; pages--) {
96 devpriv->ul_DmaBufferVirtual[i] =
97 (void *) __get_free_pages(GFP_KERNEL, pages);
99 if (devpriv->ul_DmaBufferVirtual[i])
102 if (devpriv->ul_DmaBufferVirtual[i]) {
103 devpriv->ui_DmaBufferPages[i] = pages;
104 devpriv->ui_DmaBufferSize[i] = PAGE_SIZE * pages;
105 devpriv->ul_DmaBufferHw[i] =
106 virt_to_bus((void *)devpriv->
107 ul_DmaBufferVirtual[i]);
110 if (!devpriv->ul_DmaBufferVirtual[0])
111 devpriv->us_UseDma = ADDI_DISABLE;
113 if (devpriv->ul_DmaBufferVirtual[1])
114 devpriv->b_DmaDoubleBuffer = 1;
116 ret = comedi_alloc_subdevices(dev, 5);
120 /* Allocate and Initialise AI Subdevice Structures */
121 s = &dev->subdevices[0];
122 dev->read_subdev = s;
123 s->type = COMEDI_SUBD_AI;
125 SDF_READABLE | SDF_COMMON | SDF_GROUND
127 if (this_board->i_NbrAiChannel) {
128 s->n_chan = this_board->i_NbrAiChannel;
129 devpriv->b_SingelDiff = 0;
131 s->n_chan = this_board->i_NbrAiChannelDiff;
132 devpriv->b_SingelDiff = 1;
134 s->maxdata = this_board->i_AiMaxdata;
135 s->len_chanlist = this_board->i_AiChannelList;
136 s->range_table = &range_apci3120_ai;
138 s->insn_config = i_APCI3120_InsnConfigAnalogInput;
139 s->insn_read = i_APCI3120_InsnReadAnalogInput;
140 s->do_cmdtest = i_APCI3120_CommandTestAnalogInput;
141 s->do_cmd = i_APCI3120_CommandAnalogInput;
142 s->cancel = i_APCI3120_StopCyclicAcquisition;
144 /* Allocate and Initialise AO Subdevice Structures */
145 s = &dev->subdevices[1];
146 if (this_board->i_NbrAoChannel) {
147 s->type = COMEDI_SUBD_AO;
148 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
149 s->n_chan = this_board->i_NbrAoChannel;
150 s->maxdata = this_board->i_AoMaxdata;
151 s->len_chanlist = this_board->i_NbrAoChannel;
152 s->range_table = &range_apci3120_ao;
153 s->insn_write = i_APCI3120_InsnWriteAnalogOutput;
155 s->type = COMEDI_SUBD_UNUSED;
158 /* Allocate and Initialise DI Subdevice Structures */
159 s = &dev->subdevices[2];
160 s->type = COMEDI_SUBD_DI;
161 s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
162 s->n_chan = this_board->i_NbrDiChannel;
164 s->len_chanlist = this_board->i_NbrDiChannel;
165 s->range_table = &range_digital;
166 s->io_bits = 0; /* all bits input */
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->io_bits = 0xf; /* all bits output */
179 s->insn_bits = apci3120_do_insn_bits;
181 /* Allocate and Initialise Timer Subdevice Structures */
182 s = &dev->subdevices[4];
183 s->type = COMEDI_SUBD_TIMER;
184 s->subdev_flags = SDF_WRITEABLE | SDF_GROUND | SDF_COMMON;
188 s->range_table = &range_digital;
190 s->insn_write = i_APCI3120_InsnWriteTimer;
191 s->insn_read = i_APCI3120_InsnReadTimer;
192 s->insn_config = i_APCI3120_InsnConfigTimer;
194 i_APCI3120_Reset(dev);
198 static void apci3120_detach(struct comedi_device *dev)
200 struct addi_private *devpriv = dev->private;
204 i_APCI3120_Reset(dev);
206 free_irq(dev->irq, dev);
207 if (devpriv->ul_DmaBufferVirtual[0]) {
208 free_pages((unsigned long)devpriv->
209 ul_DmaBufferVirtual[0],
210 devpriv->ui_DmaBufferPages[0]);
212 if (devpriv->ul_DmaBufferVirtual[1]) {
213 free_pages((unsigned long)devpriv->
214 ul_DmaBufferVirtual[1],
215 devpriv->ui_DmaBufferPages[1]);
218 comedi_pci_disable(dev);
221 static struct comedi_driver apci3120_driver = {
222 .driver_name = "addi_apci_3120",
223 .module = THIS_MODULE,
224 .auto_attach = apci3120_auto_attach,
225 .detach = apci3120_detach,
228 static int apci3120_pci_probe(struct pci_dev *dev,
229 const struct pci_device_id *id)
231 return comedi_pci_auto_config(dev, &apci3120_driver, id->driver_data);
234 static DEFINE_PCI_DEVICE_TABLE(apci3120_pci_table) = {
235 { PCI_VDEVICE(AMCC, 0x818d), BOARD_APCI3120 },
236 { PCI_VDEVICE(AMCC, 0x828d), BOARD_APCI3001 },
239 MODULE_DEVICE_TABLE(pci, apci3120_pci_table);
241 static struct pci_driver apci3120_pci_driver = {
242 .name = "addi_apci_3120",
243 .id_table = apci3120_pci_table,
244 .probe = apci3120_pci_probe,
245 .remove = comedi_pci_auto_unconfig,
247 module_comedi_pci_driver(apci3120_driver, apci3120_pci_driver);
249 MODULE_AUTHOR("Comedi http://www.comedi.org");
250 MODULE_DESCRIPTION("Comedi low-level driver");
251 MODULE_LICENSE("GPL");