This source file includes following definitions.
- hopper_irq_handler
- hopper_pci_probe
- hopper_pci_remove
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9 #include <linux/module.h>
10 #include <linux/moduleparam.h>
11 #include <linux/kernel.h>
12 #include <linux/pci.h>
13 #include <linux/slab.h>
14 #include <asm/irq.h>
15 #include <linux/interrupt.h>
16
17 #include <media/dmxdev.h>
18 #include <media/dvbdev.h>
19 #include <media/dvb_demux.h>
20 #include <media/dvb_frontend.h>
21 #include <media/dvb_net.h>
22
23 #include "mantis_common.h"
24 #include "hopper_vp3028.h"
25 #include "mantis_dma.h"
26 #include "mantis_dvb.h"
27 #include "mantis_uart.h"
28 #include "mantis_ioc.h"
29 #include "mantis_pci.h"
30 #include "mantis_i2c.h"
31 #include "mantis_reg.h"
32
33 static unsigned int verbose;
34 module_param(verbose, int, 0644);
35 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
36
37 #define DRIVER_NAME "Hopper"
38
39 static char *label[10] = {
40 "DMA",
41 "IRQ-0",
42 "IRQ-1",
43 "OCERR",
44 "PABRT",
45 "RIPRR",
46 "PPERR",
47 "FTRGT",
48 "RISCI",
49 "RACK"
50 };
51
52 static int devs;
53
54 static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
55 {
56 u32 stat = 0, mask = 0;
57 u32 rst_stat = 0, rst_mask = 0;
58
59 struct mantis_pci *mantis;
60 struct mantis_ca *ca;
61
62 mantis = (struct mantis_pci *) dev_id;
63 if (unlikely(!mantis)) {
64 dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
65 return IRQ_NONE;
66 }
67 ca = mantis->mantis_ca;
68
69 stat = mmread(MANTIS_INT_STAT);
70 mask = mmread(MANTIS_INT_MASK);
71 if (!(stat & mask))
72 return IRQ_NONE;
73
74 rst_mask = MANTIS_GPIF_WRACK |
75 MANTIS_GPIF_OTHERR |
76 MANTIS_SBUF_WSTO |
77 MANTIS_GPIF_EXTIRQ;
78
79 rst_stat = mmread(MANTIS_GPIF_STATUS);
80 rst_stat &= rst_mask;
81 mmwrite(rst_stat, MANTIS_GPIF_STATUS);
82
83 mantis->mantis_int_stat = stat;
84 mantis->mantis_int_mask = mask;
85 dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
86 if (stat & MANTIS_INT_RISCEN) {
87 dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
88 }
89 if (stat & MANTIS_INT_IRQ0) {
90 dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
91 mantis->gpif_status = rst_stat;
92 wake_up(&ca->hif_write_wq);
93 schedule_work(&ca->hif_evm_work);
94 }
95 if (stat & MANTIS_INT_IRQ1) {
96 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
97 spin_lock(&mantis->intmask_lock);
98 mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1,
99 MANTIS_INT_MASK);
100 spin_unlock(&mantis->intmask_lock);
101 schedule_work(&mantis->uart_work);
102 }
103 if (stat & MANTIS_INT_OCERR) {
104 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
105 }
106 if (stat & MANTIS_INT_PABORT) {
107 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
108 }
109 if (stat & MANTIS_INT_RIPERR) {
110 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
111 }
112 if (stat & MANTIS_INT_PPERR) {
113 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
114 }
115 if (stat & MANTIS_INT_FTRGT) {
116 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
117 }
118 if (stat & MANTIS_INT_RISCI) {
119 dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
120 mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
121 tasklet_schedule(&mantis->tasklet);
122 }
123 if (stat & MANTIS_INT_I2CDONE) {
124 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
125 wake_up(&mantis->i2c_wq);
126 }
127 mmwrite(stat, MANTIS_INT_STAT);
128 stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE |
129 MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 |
130 MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 |
131 MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 |
132 MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 |
133 MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 |
134 MANTIS_INT_IRQ0 | MANTIS_INT_OCERR |
135 MANTIS_INT_PABORT | MANTIS_INT_RIPERR |
136 MANTIS_INT_PPERR | MANTIS_INT_FTRGT |
137 MANTIS_INT_RISCI);
138
139 if (stat)
140 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
141
142 dprintk(MANTIS_DEBUG, 0, "\n");
143 return IRQ_HANDLED;
144 }
145
146 static int hopper_pci_probe(struct pci_dev *pdev,
147 const struct pci_device_id *pci_id)
148 {
149 struct mantis_pci_drvdata *drvdata;
150 struct mantis_pci *mantis;
151 struct mantis_hwconfig *config;
152 int err;
153
154 mantis = kzalloc(sizeof(*mantis), GFP_KERNEL);
155 if (!mantis) {
156 err = -ENOMEM;
157 goto fail0;
158 }
159
160 drvdata = (void *)pci_id->driver_data;
161 mantis->num = devs;
162 mantis->verbose = verbose;
163 mantis->pdev = pdev;
164 config = drvdata->hwconfig;
165 config->irq_handler = &hopper_irq_handler;
166 mantis->hwconfig = config;
167 mantis->rc_map_name = drvdata->rc_map_name;
168
169 spin_lock_init(&mantis->intmask_lock);
170
171 err = mantis_pci_init(mantis);
172 if (err) {
173 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
174 goto fail1;
175 }
176
177 err = mantis_stream_control(mantis, STREAM_TO_HIF);
178 if (err < 0) {
179 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
180 goto fail1;
181 }
182
183 err = mantis_i2c_init(mantis);
184 if (err < 0) {
185 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
186 goto fail2;
187 }
188
189 err = mantis_get_mac(mantis);
190 if (err < 0) {
191 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
192 goto fail2;
193 }
194
195 err = mantis_dma_init(mantis);
196 if (err < 0) {
197 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
198 goto fail3;
199 }
200
201 err = mantis_dvb_init(mantis);
202 if (err < 0) {
203 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
204 goto fail4;
205 }
206 devs++;
207
208 return err;
209
210 fail4:
211 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
212 mantis_dma_exit(mantis);
213
214 fail3:
215 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
216 mantis_i2c_exit(mantis);
217
218 fail2:
219 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
220 mantis_pci_exit(mantis);
221
222 fail1:
223 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
224 kfree(mantis);
225
226 fail0:
227 return err;
228 }
229
230 static void hopper_pci_remove(struct pci_dev *pdev)
231 {
232 struct mantis_pci *mantis = pci_get_drvdata(pdev);
233
234 if (mantis) {
235 mantis_dvb_exit(mantis);
236 mantis_dma_exit(mantis);
237 mantis_i2c_exit(mantis);
238 mantis_pci_exit(mantis);
239 kfree(mantis);
240 }
241 return;
242
243 }
244
245 static const struct pci_device_id hopper_pci_table[] = {
246 MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config,
247 NULL),
248 { }
249 };
250
251 MODULE_DEVICE_TABLE(pci, hopper_pci_table);
252
253 static struct pci_driver hopper_pci_driver = {
254 .name = DRIVER_NAME,
255 .id_table = hopper_pci_table,
256 .probe = hopper_pci_probe,
257 .remove = hopper_pci_remove,
258 };
259
260 module_pci_driver(hopper_pci_driver);
261
262 MODULE_DESCRIPTION("HOPPER driver");
263 MODULE_AUTHOR("Manu Abraham");
264 MODULE_LICENSE("GPL");