2 Hopper PCI bridge driver
4 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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.
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.
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.
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>
27 #include <linux/interrupt.h>
31 #include "dvb_demux.h"
32 #include "dvb_frontend.h"
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"
45 static unsigned int verbose;
46 module_param(verbose, int, 0644);
47 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
49 #define DRIVER_NAME "Hopper"
51 static char *label[10] = {
66 static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
68 u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
69 u32 rst_stat = 0, rst_mask = 0;
71 struct mantis_pci *mantis;
74 mantis = (struct mantis_pci *) dev_id;
75 if (unlikely(mantis == NULL)) {
76 dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
79 ca = mantis->mantis_ca;
81 stat = mmread(MANTIS_INT_STAT);
82 mask = mmread(MANTIS_INT_MASK);
83 mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
87 rst_mask = MANTIS_GPIF_WRACK |
92 rst_stat = mmread(MANTIS_GPIF_STATUS);
94 mmwrite(rst_stat, MANTIS_GPIF_STATUS);
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]);
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);
108 if (stat & MANTIS_INT_IRQ1) {
109 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
110 schedule_work(&mantis->uart_work);
112 if (stat & MANTIS_INT_OCERR) {
113 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
115 if (stat & MANTIS_INT_PABORT) {
116 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
118 if (stat & MANTIS_INT_RIPERR) {
119 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
121 if (stat & MANTIS_INT_PPERR) {
122 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
124 if (stat & MANTIS_INT_FTRGT) {
125 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
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);
132 if (stat & MANTIS_INT_I2CDONE) {
133 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
134 wake_up(&mantis->i2c_wq);
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 |
149 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
151 dprintk(MANTIS_DEBUG, 0, "\n");
155 static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
157 struct mantis_pci *mantis;
158 struct mantis_hwconfig *config;
161 mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
162 if (mantis == NULL) {
163 printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
169 mantis->verbose = verbose;
171 config = (struct mantis_hwconfig *) pci_id->driver_data;
172 config->irq_handler = &hopper_irq_handler;
173 mantis->hwconfig = config;
175 err = mantis_pci_init(mantis);
177 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
181 err = mantis_stream_control(mantis, STREAM_TO_HIF);
183 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
187 err = mantis_i2c_init(mantis);
189 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
193 err = mantis_get_mac(mantis);
195 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
199 err = mantis_dma_init(mantis);
201 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
205 err = mantis_dvb_init(mantis);
207 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
215 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
216 mantis_dma_exit(mantis);
219 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
220 mantis_i2c_exit(mantis);
223 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
224 mantis_pci_exit(mantis);
227 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
234 static void __devexit hopper_pci_remove(struct pci_dev *pdev)
236 struct mantis_pci *mantis = pci_get_drvdata(pdev);
239 mantis_dvb_exit(mantis);
240 mantis_dma_exit(mantis);
241 mantis_i2c_exit(mantis);
242 mantis_pci_exit(mantis);
249 static struct pci_device_id hopper_pci_table[] = {
250 MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config),
254 static struct pci_driver hopper_pci_driver = {
256 .id_table = hopper_pci_table,
257 .probe = hopper_pci_probe,
258 .remove = hopper_pci_remove,
261 static int __devinit hopper_init(void)
263 return pci_register_driver(&hopper_pci_driver);
266 static void __devexit hopper_exit(void)
268 return pci_unregister_driver(&hopper_pci_driver);
271 module_init(hopper_init);
272 module_exit(hopper_exit);
274 MODULE_DESCRIPTION("HOPPER driver");
275 MODULE_AUTHOR("Manu Abraham");
276 MODULE_LICENSE("GPL");