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21#include <linux/module.h>
22#include <linux/moduleparam.h>
23#include <linux/kernel.h>
24#include <linux/pci.h>
25#include <linux/slab.h>
26#include <asm/irq.h>
27#include <linux/interrupt.h>
28
29#include "dmxdev.h"
30#include "dvbdev.h"
31#include "dvb_demux.h"
32#include "dvb_frontend.h"
33#include "dvb_net.h"
34
35#include "mantis_common.h"
36#include "hopper_vp3028.h"
37#include "mantis_dma.h"
38#include "mantis_dvb.h"
39#include "mantis_uart.h"
40#include "mantis_ioc.h"
41#include "mantis_pci.h"
42#include "mantis_i2c.h"
43#include "mantis_reg.h"
44
45static unsigned int verbose;
46module_param(verbose, int, 0644);
47MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)");
48
49#define DRIVER_NAME "Hopper"
50
51static char *label[10] = {
52 "DMA",
53 "IRQ-0",
54 "IRQ-1",
55 "OCERR",
56 "PABRT",
57 "RIPRR",
58 "PPERR",
59 "FTRGT",
60 "RISCI",
61 "RACK"
62};
63
64static int devs;
65
66static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
67{
68 u32 stat = 0, mask = 0;
69 u32 rst_stat = 0, rst_mask = 0;
70
71 struct mantis_pci *mantis;
72 struct mantis_ca *ca;
73
74 mantis = (struct mantis_pci *) dev_id;
75 if (unlikely(mantis == NULL)) {
76 dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
77 return IRQ_NONE;
78 }
79 ca = mantis->mantis_ca;
80
81 stat = mmread(MANTIS_INT_STAT);
82 mask = mmread(MANTIS_INT_MASK);
83 if (!(stat & mask))
84 return IRQ_NONE;
85
86 rst_mask = MANTIS_GPIF_WRACK |
87 MANTIS_GPIF_OTHERR |
88 MANTIS_SBUF_WSTO |
89 MANTIS_GPIF_EXTIRQ;
90
91 rst_stat = mmread(MANTIS_GPIF_STATUS);
92 rst_stat &= rst_mask;
93 mmwrite(rst_stat, MANTIS_GPIF_STATUS);
94
95 mantis->mantis_int_stat = stat;
96 mantis->mantis_int_mask = mask;
97 dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask);
98 if (stat & MANTIS_INT_RISCEN) {
99 dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]);
100 }
101 if (stat & MANTIS_INT_IRQ0) {
102 dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]);
103 mantis->gpif_status = rst_stat;
104 wake_up(&ca->hif_write_wq);
105 schedule_work(&ca->hif_evm_work);
106 }
107 if (stat & MANTIS_INT_IRQ1) {
108 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
109 schedule_work(&mantis->uart_work);
110 }
111 if (stat & MANTIS_INT_OCERR) {
112 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
113 }
114 if (stat & MANTIS_INT_PABORT) {
115 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
116 }
117 if (stat & MANTIS_INT_RIPERR) {
118 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
119 }
120 if (stat & MANTIS_INT_PPERR) {
121 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
122 }
123 if (stat & MANTIS_INT_FTRGT) {
124 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
125 }
126 if (stat & MANTIS_INT_RISCI) {
127 dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]);
128 mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28;
129 tasklet_schedule(&mantis->tasklet);
130 }
131 if (stat & MANTIS_INT_I2CDONE) {
132 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
133 wake_up(&mantis->i2c_wq);
134 }
135 mmwrite(stat, MANTIS_INT_STAT);
136 stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE |
137 MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 |
138 MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 |
139 MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 |
140 MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 |
141 MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 |
142 MANTIS_INT_IRQ0 | MANTIS_INT_OCERR |
143 MANTIS_INT_PABORT | MANTIS_INT_RIPERR |
144 MANTIS_INT_PPERR | MANTIS_INT_FTRGT |
145 MANTIS_INT_RISCI);
146
147 if (stat)
148 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
149
150 dprintk(MANTIS_DEBUG, 0, "\n");
151 return IRQ_HANDLED;
152}
153
154static int hopper_pci_probe(struct pci_dev *pdev,
155 const struct pci_device_id *pci_id)
156{
157 struct mantis_pci *mantis;
158 struct mantis_hwconfig *config;
159 int err = 0;
160
161 mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
162 if (mantis == NULL) {
163 printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
164 err = -ENOMEM;
165 goto fail0;
166 }
167
168 mantis->num = devs;
169 mantis->verbose = verbose;
170 mantis->pdev = pdev;
171 config = (struct mantis_hwconfig *) pci_id->driver_data;
172 config->irq_handler = &hopper_irq_handler;
173 mantis->hwconfig = config;
174
175 err = mantis_pci_init(mantis);
176 if (err) {
177 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
178 goto fail1;
179 }
180
181 err = mantis_stream_control(mantis, STREAM_TO_HIF);
182 if (err < 0) {
183 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
184 goto fail1;
185 }
186
187 err = mantis_i2c_init(mantis);
188 if (err < 0) {
189 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
190 goto fail2;
191 }
192
193 err = mantis_get_mac(mantis);
194 if (err < 0) {
195 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
196 goto fail2;
197 }
198
199 err = mantis_dma_init(mantis);
200 if (err < 0) {
201 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
202 goto fail3;
203 }
204
205 err = mantis_dvb_init(mantis);
206 if (err < 0) {
207 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
208 goto fail4;
209 }
210 devs++;
211
212 return err;
213
214fail4:
215 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
216 mantis_dma_exit(mantis);
217
218fail3:
219 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
220 mantis_i2c_exit(mantis);
221
222fail2:
223 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
224 mantis_pci_exit(mantis);
225
226fail1:
227 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
228 kfree(mantis);
229
230fail0:
231 return err;
232}
233
234static void hopper_pci_remove(struct pci_dev *pdev)
235{
236 struct mantis_pci *mantis = pci_get_drvdata(pdev);
237
238 if (mantis) {
239 mantis_dvb_exit(mantis);
240 mantis_dma_exit(mantis);
241 mantis_i2c_exit(mantis);
242 mantis_pci_exit(mantis);
243 kfree(mantis);
244 }
245 return;
246
247}
248
249static struct pci_device_id hopper_pci_table[] = {
250 MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config),
251 { }
252};
253
254MODULE_DEVICE_TABLE(pci, hopper_pci_table);
255
256static struct pci_driver hopper_pci_driver = {
257 .name = DRIVER_NAME,
258 .id_table = hopper_pci_table,
259 .probe = hopper_pci_probe,
260 .remove = hopper_pci_remove,
261};
262
263static int hopper_init(void)
264{
265 return pci_register_driver(&hopper_pci_driver);
266}
267
268static void hopper_exit(void)
269{
270 return pci_unregister_driver(&hopper_pci_driver);
271}
272
273module_init(hopper_init);
274module_exit(hopper_exit);
275
276MODULE_DESCRIPTION("HOPPER driver");
277MODULE_AUTHOR("Manu Abraham");
278MODULE_LICENSE("GPL");
279
