diff options
Diffstat (limited to 'drivers/media/dvb/mantis/hopper_cards.c')
-rw-r--r-- | drivers/media/dvb/mantis/hopper_cards.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/drivers/media/dvb/mantis/hopper_cards.c b/drivers/media/dvb/mantis/hopper_cards.c new file mode 100644 index 000000000000..d073c61e3c0d --- /dev/null +++ b/drivers/media/dvb/mantis/hopper_cards.c | |||
@@ -0,0 +1,275 @@ | |||
1 | /* | ||
2 | Hopper PCI bridge driver | ||
3 | |||
4 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) | ||
5 | |||
6 | This program is free software; you can redistribute it and/or modify | ||
7 | it under the terms of the GNU General Public License as published by | ||
8 | the Free Software Foundation; either version 2 of the License, or | ||
9 | (at your option) any later version. | ||
10 | |||
11 | This program is distributed in the hope that it will be useful, | ||
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
14 | GNU General Public License for more details. | ||
15 | |||
16 | You should have received a copy of the GNU General Public License | ||
17 | along with this program; if not, write to the Free Software | ||
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
19 | */ | ||
20 | |||
21 | #include <linux/module.h> | ||
22 | #include <linux/moduleparam.h> | ||
23 | #include <linux/kernel.h> | ||
24 | #include <linux/pci.h> | ||
25 | #include <asm/irq.h> | ||
26 | #include <linux/interrupt.h> | ||
27 | |||
28 | #include "dmxdev.h" | ||
29 | #include "dvbdev.h" | ||
30 | #include "dvb_demux.h" | ||
31 | #include "dvb_frontend.h" | ||
32 | #include "dvb_net.h" | ||
33 | |||
34 | #include "mantis_common.h" | ||
35 | #include "hopper_vp3028.h" | ||
36 | #include "mantis_dma.h" | ||
37 | #include "mantis_dvb.h" | ||
38 | #include "mantis_uart.h" | ||
39 | #include "mantis_ioc.h" | ||
40 | #include "mantis_pci.h" | ||
41 | #include "mantis_i2c.h" | ||
42 | #include "mantis_reg.h" | ||
43 | |||
44 | static unsigned int verbose; | ||
45 | module_param(verbose, int, 0644); | ||
46 | MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)"); | ||
47 | |||
48 | #define DRIVER_NAME "Hopper" | ||
49 | |||
50 | static char *label[10] = { | ||
51 | "DMA", | ||
52 | "IRQ-0", | ||
53 | "IRQ-1", | ||
54 | "OCERR", | ||
55 | "PABRT", | ||
56 | "RIPRR", | ||
57 | "PPERR", | ||
58 | "FTRGT", | ||
59 | "RISCI", | ||
60 | "RACK" | ||
61 | }; | ||
62 | |||
63 | static int devs; | ||
64 | |||
65 | static irqreturn_t hopper_irq_handler(int irq, void *dev_id) | ||
66 | { | ||
67 | u32 stat = 0, mask = 0, lstat = 0, mstat = 0; | ||
68 | u32 rst_stat = 0, rst_mask = 0; | ||
69 | |||
70 | struct mantis_pci *mantis; | ||
71 | struct mantis_ca *ca; | ||
72 | |||
73 | mantis = (struct mantis_pci *) dev_id; | ||
74 | if (unlikely(mantis == NULL)) { | ||
75 | dprintk(MANTIS_ERROR, 1, "Mantis == NULL"); | ||
76 | return IRQ_NONE; | ||
77 | } | ||
78 | ca = mantis->mantis_ca; | ||
79 | |||
80 | stat = mmread(MANTIS_INT_STAT); | ||
81 | mask = mmread(MANTIS_INT_MASK); | ||
82 | mstat = lstat = stat & ~MANTIS_INT_RISCSTAT; | ||
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->finished_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 | |||
154 | static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) | ||
155 | { | ||
156 | struct mantis_pci *mantis; | ||
157 | struct mantis_hwconfig *config; | ||
158 | int err = 0; | ||
159 | |||
160 | mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); | ||
161 | if (mantis == NULL) { | ||
162 | printk(KERN_ERR "%s ERROR: Out of memory\n", __func__); | ||
163 | err = -ENOMEM; | ||
164 | goto fail0; | ||
165 | } | ||
166 | |||
167 | mantis->num = devs; | ||
168 | mantis->verbose = verbose; | ||
169 | mantis->pdev = pdev; | ||
170 | config = (struct mantis_hwconfig *) pci_id->driver_data; | ||
171 | config->irq_handler = &hopper_irq_handler; | ||
172 | mantis->hwconfig = config; | ||
173 | |||
174 | err = mantis_pci_init(mantis); | ||
175 | if (err) { | ||
176 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err); | ||
177 | goto fail1; | ||
178 | } | ||
179 | |||
180 | err = mantis_stream_control(mantis, STREAM_TO_HIF); | ||
181 | if (err < 0) { | ||
182 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err); | ||
183 | goto fail1; | ||
184 | } | ||
185 | |||
186 | err = mantis_i2c_init(mantis); | ||
187 | if (err < 0) { | ||
188 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err); | ||
189 | goto fail2; | ||
190 | } | ||
191 | |||
192 | err = mantis_get_mac(mantis); | ||
193 | if (err < 0) { | ||
194 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err); | ||
195 | goto fail2; | ||
196 | } | ||
197 | |||
198 | err = mantis_dma_init(mantis); | ||
199 | if (err < 0) { | ||
200 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err); | ||
201 | goto fail3; | ||
202 | } | ||
203 | |||
204 | err = mantis_dvb_init(mantis); | ||
205 | if (err < 0) { | ||
206 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err); | ||
207 | goto fail4; | ||
208 | } | ||
209 | devs++; | ||
210 | |||
211 | return err; | ||
212 | |||
213 | fail4: | ||
214 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err); | ||
215 | mantis_dma_exit(mantis); | ||
216 | |||
217 | fail3: | ||
218 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err); | ||
219 | mantis_i2c_exit(mantis); | ||
220 | |||
221 | fail2: | ||
222 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err); | ||
223 | mantis_pci_exit(mantis); | ||
224 | |||
225 | fail1: | ||
226 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err); | ||
227 | kfree(mantis); | ||
228 | |||
229 | fail0: | ||
230 | return err; | ||
231 | } | ||
232 | |||
233 | static void __devexit hopper_pci_remove(struct pci_dev *pdev) | ||
234 | { | ||
235 | struct mantis_pci *mantis = pci_get_drvdata(pdev); | ||
236 | |||
237 | if (mantis) { | ||
238 | mantis_dvb_exit(mantis); | ||
239 | mantis_dma_exit(mantis); | ||
240 | mantis_i2c_exit(mantis); | ||
241 | mantis_pci_exit(mantis); | ||
242 | kfree(mantis); | ||
243 | } | ||
244 | return; | ||
245 | |||
246 | } | ||
247 | |||
248 | static struct pci_device_id hopper_pci_table[] = { | ||
249 | MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config), | ||
250 | { } | ||
251 | }; | ||
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 | static int __devinit hopper_init(void) | ||
261 | { | ||
262 | return pci_register_driver(&hopper_pci_driver); | ||
263 | } | ||
264 | |||
265 | static void __devexit hopper_exit(void) | ||
266 | { | ||
267 | return pci_unregister_driver(&hopper_pci_driver); | ||
268 | } | ||
269 | |||
270 | module_init(hopper_init); | ||
271 | module_exit(hopper_exit); | ||
272 | |||
273 | MODULE_DESCRIPTION("HOPPER driver"); | ||
274 | MODULE_AUTHOR("Manu Abraham"); | ||
275 | MODULE_LICENSE("GPL"); | ||