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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> | |
5a0e3ad6 | 25 | #include <linux/slab.h> |
b3b96144 MA |
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 | ||
45 | static unsigned int verbose; | |
46 | module_param(verbose, int, 0644); | |
47 | MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)"); | |
48 | ||
49 | #define DRIVER_NAME "Hopper" | |
50 | ||
51 | static 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 | ||
64 | static int devs; | |
65 | ||
66 | static irqreturn_t hopper_irq_handler(int irq, void *dev_id) | |
67 | { | |
68 | u32 stat = 0, mask = 0, lstat = 0, mstat = 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 | mstat = lstat = stat & ~MANTIS_INT_RISCSTAT; | |
84 | if (!(stat & mask)) | |
85 | return IRQ_NONE; | |
86 | ||
87 | rst_mask = MANTIS_GPIF_WRACK | | |
88 | MANTIS_GPIF_OTHERR | | |
89 | MANTIS_SBUF_WSTO | | |
90 | MANTIS_GPIF_EXTIRQ; | |
91 | ||
92 | rst_stat = mmread(MANTIS_GPIF_STATUS); | |
93 | rst_stat &= rst_mask; | |
94 | mmwrite(rst_stat, MANTIS_GPIF_STATUS); | |
95 | ||
96 | mantis->mantis_int_stat = stat; | |
97 | mantis->mantis_int_mask = mask; | |
98 | dprintk(MANTIS_DEBUG, 0, "\n-- Stat=<%02x> Mask=<%02x> --", stat, mask); | |
99 | if (stat & MANTIS_INT_RISCEN) { | |
100 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[0]); | |
101 | } | |
102 | if (stat & MANTIS_INT_IRQ0) { | |
103 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[1]); | |
104 | mantis->gpif_status = rst_stat; | |
105 | wake_up(&ca->hif_write_wq); | |
106 | schedule_work(&ca->hif_evm_work); | |
107 | } | |
108 | if (stat & MANTIS_INT_IRQ1) { | |
109 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]); | |
110 | schedule_work(&mantis->uart_work); | |
111 | } | |
112 | if (stat & MANTIS_INT_OCERR) { | |
113 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]); | |
114 | } | |
115 | if (stat & MANTIS_INT_PABORT) { | |
116 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]); | |
117 | } | |
118 | if (stat & MANTIS_INT_RIPERR) { | |
119 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]); | |
120 | } | |
121 | if (stat & MANTIS_INT_PPERR) { | |
122 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]); | |
123 | } | |
124 | if (stat & MANTIS_INT_FTRGT) { | |
125 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]); | |
126 | } | |
127 | if (stat & MANTIS_INT_RISCI) { | |
128 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]); | |
129 | mantis->finished_block = (stat & MANTIS_INT_RISCSTAT) >> 28; | |
130 | tasklet_schedule(&mantis->tasklet); | |
131 | } | |
132 | if (stat & MANTIS_INT_I2CDONE) { | |
133 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]); | |
134 | wake_up(&mantis->i2c_wq); | |
135 | } | |
136 | mmwrite(stat, MANTIS_INT_STAT); | |
137 | stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE | | |
138 | MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 | | |
139 | MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 | | |
140 | MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 | | |
141 | MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 | | |
142 | MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 | | |
143 | MANTIS_INT_IRQ0 | MANTIS_INT_OCERR | | |
144 | MANTIS_INT_PABORT | MANTIS_INT_RIPERR | | |
145 | MANTIS_INT_PPERR | MANTIS_INT_FTRGT | | |
146 | MANTIS_INT_RISCI); | |
147 | ||
148 | if (stat) | |
149 | dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask); | |
150 | ||
151 | dprintk(MANTIS_DEBUG, 0, "\n"); | |
152 | return IRQ_HANDLED; | |
153 | } | |
154 | ||
155 | static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id) | |
156 | { | |
157 | struct mantis_pci *mantis; | |
158 | struct mantis_hwconfig *config; | |
159 | int err = 0; | |
160 | ||
f5ae4f6f | 161 | mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); |
b3b96144 MA |
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 | ||
b3b96144 MA |
214 | fail4: |
215 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err); | |
216 | mantis_dma_exit(mantis); | |
217 | ||
218 | fail3: | |
219 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err); | |
220 | mantis_i2c_exit(mantis); | |
221 | ||
222 | fail2: | |
223 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err); | |
224 | mantis_pci_exit(mantis); | |
225 | ||
226 | fail1: | |
227 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err); | |
228 | kfree(mantis); | |
229 | ||
230 | fail0: | |
231 | return err; | |
232 | } | |
233 | ||
234 | static void __devexit hopper_pci_remove(struct pci_dev *pdev) | |
235 | { | |
236 | struct mantis_pci *mantis = pci_get_drvdata(pdev); | |
237 | ||
238 | if (mantis) { | |
b3b96144 MA |
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 | ||
249 | static struct pci_device_id hopper_pci_table[] = { | |
250 | MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config), | |
251 | { } | |
252 | }; | |
253 | ||
254 | static struct pci_driver hopper_pci_driver = { | |
255 | .name = DRIVER_NAME, | |
256 | .id_table = hopper_pci_table, | |
257 | .probe = hopper_pci_probe, | |
258 | .remove = hopper_pci_remove, | |
259 | }; | |
260 | ||
261 | static int __devinit hopper_init(void) | |
262 | { | |
263 | return pci_register_driver(&hopper_pci_driver); | |
264 | } | |
265 | ||
266 | static void __devexit hopper_exit(void) | |
267 | { | |
268 | return pci_unregister_driver(&hopper_pci_driver); | |
269 | } | |
270 | ||
271 | module_init(hopper_init); | |
272 | module_exit(hopper_exit); | |
273 | ||
274 | MODULE_DESCRIPTION("HOPPER driver"); | |
275 | MODULE_AUTHOR("Manu Abraham"); | |
276 | MODULE_LICENSE("GPL"); |