Commit | Line | Data |
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8825a097 MA |
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 | ||
b3b96144 MA |
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 | ||
f5ae4f6f | 160 | mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); |
b3b96144 MA |
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 | ||
b3b96144 MA |
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) { | |
b3b96144 MA |
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"); |