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>
26 #include <linux/interrupt.h>
30 #include "dvb_demux.h"
31 #include "dvb_frontend.h"
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"
44 static unsigned int verbose;
45 module_param(verbose, int, 0644);
46 MODULE_PARM_DESC(verbose, "verbose startup messages, default is 1 (yes)");
48 #define DRIVER_NAME "Hopper"
50 static char *label[10] = {
65 static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
67 u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
68 u32 rst_stat = 0, rst_mask = 0;
70 struct mantis_pci *mantis;
73 mantis = (struct mantis_pci *) dev_id;
74 if (unlikely(mantis == NULL)) {
75 dprintk(MANTIS_ERROR, 1, "Mantis == NULL");
78 ca = mantis->mantis_ca;
80 stat = mmread(MANTIS_INT_STAT);
81 mask = mmread(MANTIS_INT_MASK);
82 mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
86 rst_mask = MANTIS_GPIF_WRACK |
91 rst_stat = mmread(MANTIS_GPIF_STATUS);
93 mmwrite(rst_stat, MANTIS_GPIF_STATUS);
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]);
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);
107 if (stat & MANTIS_INT_IRQ1) {
108 dprintk(MANTIS_DEBUG, 0, "<%s>", label[2]);
109 schedule_work(&mantis->uart_work);
111 if (stat & MANTIS_INT_OCERR) {
112 dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]);
114 if (stat & MANTIS_INT_PABORT) {
115 dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]);
117 if (stat & MANTIS_INT_RIPERR) {
118 dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]);
120 if (stat & MANTIS_INT_PPERR) {
121 dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]);
123 if (stat & MANTIS_INT_FTRGT) {
124 dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]);
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);
131 if (stat & MANTIS_INT_I2CDONE) {
132 dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]);
133 wake_up(&mantis->i2c_wq);
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 |
148 dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask);
150 dprintk(MANTIS_DEBUG, 0, "\n");
154 static int __devinit hopper_pci_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
156 struct mantis_pci *mantis;
157 struct mantis_hwconfig *config;
160 mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL);
161 if (mantis == NULL) {
162 printk(KERN_ERR "%s ERROR: Out of memory\n", __func__);
168 mantis->verbose = verbose;
170 config = (struct mantis_hwconfig *) pci_id->driver_data;
171 config->irq_handler = &hopper_irq_handler;
172 mantis->hwconfig = config;
174 err = mantis_pci_init(mantis);
176 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err);
180 err = mantis_stream_control(mantis, STREAM_TO_HIF);
182 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err);
186 err = mantis_i2c_init(mantis);
188 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err);
192 err = mantis_get_mac(mantis);
194 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err);
198 err = mantis_dma_init(mantis);
200 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err);
204 err = mantis_dvb_init(mantis);
206 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err);
214 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err);
215 mantis_dma_exit(mantis);
218 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err);
219 mantis_i2c_exit(mantis);
222 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err);
223 mantis_pci_exit(mantis);
226 dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err);
233 static void __devexit hopper_pci_remove(struct pci_dev *pdev)
235 struct mantis_pci *mantis = pci_get_drvdata(pdev);
238 mantis_dvb_exit(mantis);
239 mantis_dma_exit(mantis);
240 mantis_i2c_exit(mantis);
241 mantis_pci_exit(mantis);
248 static struct pci_device_id hopper_pci_table[] = {
249 MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config),
253 static struct pci_driver hopper_pci_driver = {
255 .id_table = hopper_pci_table,
256 .probe = hopper_pci_probe,
257 .remove = hopper_pci_remove,
260 static int __devinit hopper_init(void)
262 return pci_register_driver(&hopper_pci_driver);
265 static void __devexit hopper_exit(void)
267 return pci_unregister_driver(&hopper_pci_driver);
270 module_init(hopper_init);
271 module_exit(hopper_exit);
273 MODULE_DESCRIPTION("HOPPER driver");
274 MODULE_AUTHOR("Manu Abraham");
275 MODULE_LICENSE("GPL");