Manu Abraham | 8825a09 | 2009-12-15 09:13:49 -0300 | [diff] [blame] | 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 | |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 21 | #include <linux/module.h> |
| 22 | #include <linux/moduleparam.h> |
| 23 | #include <linux/kernel.h> |
| 24 | #include <linux/pci.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 25 | #include <linux/slab.h> |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 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); |
Bjørn Mork | 0618ece | 2011-03-22 10:22:17 -0300 | [diff] [blame] | 47 | MODULE_PARM_DESC(verbose, "verbose startup messages, default is 0 (no)"); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 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 | { |
Hans Verkuil | 5becbc5 | 2012-05-14 10:22:58 -0300 | [diff] [blame] | 68 | u32 stat = 0, mask = 0; |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 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); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 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]); |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 109 | spin_lock(&mantis->intmask_lock); |
| 110 | mmwrite(mmread(MANTIS_INT_MASK) & ~MANTIS_INT_IRQ1, MANTIS_INT_MASK); |
| 111 | spin_unlock(&mantis->intmask_lock); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 112 | schedule_work(&mantis->uart_work); |
| 113 | } |
| 114 | if (stat & MANTIS_INT_OCERR) { |
| 115 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[3]); |
| 116 | } |
| 117 | if (stat & MANTIS_INT_PABORT) { |
| 118 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[4]); |
| 119 | } |
| 120 | if (stat & MANTIS_INT_RIPERR) { |
| 121 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[5]); |
| 122 | } |
| 123 | if (stat & MANTIS_INT_PPERR) { |
| 124 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[6]); |
| 125 | } |
| 126 | if (stat & MANTIS_INT_FTRGT) { |
| 127 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[7]); |
| 128 | } |
| 129 | if (stat & MANTIS_INT_RISCI) { |
| 130 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[8]); |
Marko Ristola | 79d06d4 | 2010-08-07 08:16:15 -0300 | [diff] [blame] | 131 | mantis->busy_block = (stat & MANTIS_INT_RISCSTAT) >> 28; |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 132 | tasklet_schedule(&mantis->tasklet); |
| 133 | } |
| 134 | if (stat & MANTIS_INT_I2CDONE) { |
| 135 | dprintk(MANTIS_DEBUG, 0, "<%s>", label[9]); |
| 136 | wake_up(&mantis->i2c_wq); |
| 137 | } |
| 138 | mmwrite(stat, MANTIS_INT_STAT); |
| 139 | stat &= ~(MANTIS_INT_RISCEN | MANTIS_INT_I2CDONE | |
| 140 | MANTIS_INT_I2CRACK | MANTIS_INT_PCMCIA7 | |
| 141 | MANTIS_INT_PCMCIA6 | MANTIS_INT_PCMCIA5 | |
| 142 | MANTIS_INT_PCMCIA4 | MANTIS_INT_PCMCIA3 | |
| 143 | MANTIS_INT_PCMCIA2 | MANTIS_INT_PCMCIA1 | |
| 144 | MANTIS_INT_PCMCIA0 | MANTIS_INT_IRQ1 | |
| 145 | MANTIS_INT_IRQ0 | MANTIS_INT_OCERR | |
| 146 | MANTIS_INT_PABORT | MANTIS_INT_RIPERR | |
| 147 | MANTIS_INT_PPERR | MANTIS_INT_FTRGT | |
| 148 | MANTIS_INT_RISCI); |
| 149 | |
| 150 | if (stat) |
| 151 | dprintk(MANTIS_DEBUG, 0, "<Unknown> Stat=<%02x> Mask=<%02x>", stat, mask); |
| 152 | |
| 153 | dprintk(MANTIS_DEBUG, 0, "\n"); |
| 154 | return IRQ_HANDLED; |
| 155 | } |
| 156 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 157 | static int hopper_pci_probe(struct pci_dev *pdev, |
| 158 | const struct pci_device_id *pci_id) |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 159 | { |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 160 | struct mantis_pci_drvdata *drvdata; |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 161 | struct mantis_pci *mantis; |
| 162 | struct mantis_hwconfig *config; |
| 163 | int err = 0; |
| 164 | |
Manu Abraham | f5ae4f6 | 2009-12-15 08:47:21 -0300 | [diff] [blame] | 165 | mantis = kzalloc(sizeof(struct mantis_pci), GFP_KERNEL); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 166 | if (mantis == NULL) { |
| 167 | printk(KERN_ERR "%s ERROR: Out of memory\n", __func__); |
| 168 | err = -ENOMEM; |
| 169 | goto fail0; |
| 170 | } |
| 171 | |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 172 | drvdata = (struct mantis_pci_drvdata *) pci_id->driver_data; |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 173 | mantis->num = devs; |
| 174 | mantis->verbose = verbose; |
| 175 | mantis->pdev = pdev; |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 176 | config = drvdata->hwconfig; |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 177 | config->irq_handler = &hopper_irq_handler; |
| 178 | mantis->hwconfig = config; |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 179 | mantis->rc_map_name = drvdata->rc_map_name; |
| 180 | |
| 181 | spin_lock_init(&mantis->intmask_lock); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 182 | |
| 183 | err = mantis_pci_init(mantis); |
| 184 | if (err) { |
| 185 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI initialization failed <%d>", err); |
| 186 | goto fail1; |
| 187 | } |
| 188 | |
| 189 | err = mantis_stream_control(mantis, STREAM_TO_HIF); |
| 190 | if (err < 0) { |
| 191 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis stream control failed <%d>", err); |
| 192 | goto fail1; |
| 193 | } |
| 194 | |
| 195 | err = mantis_i2c_init(mantis); |
| 196 | if (err < 0) { |
| 197 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C initialization failed <%d>", err); |
| 198 | goto fail2; |
| 199 | } |
| 200 | |
| 201 | err = mantis_get_mac(mantis); |
| 202 | if (err < 0) { |
| 203 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis MAC address read failed <%d>", err); |
| 204 | goto fail2; |
| 205 | } |
| 206 | |
| 207 | err = mantis_dma_init(mantis); |
| 208 | if (err < 0) { |
| 209 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA initialization failed <%d>", err); |
| 210 | goto fail3; |
| 211 | } |
| 212 | |
| 213 | err = mantis_dvb_init(mantis); |
| 214 | if (err < 0) { |
| 215 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DVB initialization failed <%d>", err); |
| 216 | goto fail4; |
| 217 | } |
| 218 | devs++; |
| 219 | |
| 220 | return err; |
| 221 | |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 222 | fail4: |
| 223 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis DMA exit! <%d>", err); |
| 224 | mantis_dma_exit(mantis); |
| 225 | |
| 226 | fail3: |
| 227 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis I2C exit! <%d>", err); |
| 228 | mantis_i2c_exit(mantis); |
| 229 | |
| 230 | fail2: |
| 231 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis PCI exit! <%d>", err); |
| 232 | mantis_pci_exit(mantis); |
| 233 | |
| 234 | fail1: |
| 235 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis free! <%d>", err); |
| 236 | kfree(mantis); |
| 237 | |
| 238 | fail0: |
| 239 | return err; |
| 240 | } |
| 241 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame] | 242 | static void hopper_pci_remove(struct pci_dev *pdev) |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 243 | { |
| 244 | struct mantis_pci *mantis = pci_get_drvdata(pdev); |
| 245 | |
| 246 | if (mantis) { |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 247 | mantis_dvb_exit(mantis); |
| 248 | mantis_dma_exit(mantis); |
| 249 | mantis_i2c_exit(mantis); |
| 250 | mantis_pci_exit(mantis); |
| 251 | kfree(mantis); |
| 252 | } |
| 253 | return; |
| 254 | |
| 255 | } |
| 256 | |
| 257 | static struct pci_device_id hopper_pci_table[] = { |
Jan Klötzke | a96762d | 2015-06-06 16:58:13 -0300 | [diff] [blame^] | 258 | MAKE_ENTRY(TWINHAN_TECHNOLOGIES, MANTIS_VP_3028_DVB_T, &vp3028_config, |
| 259 | NULL), |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 260 | { } |
| 261 | }; |
| 262 | |
Manu Abraham | 116d588 | 2010-02-11 04:11:05 -0300 | [diff] [blame] | 263 | MODULE_DEVICE_TABLE(pci, hopper_pci_table); |
| 264 | |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 265 | static struct pci_driver hopper_pci_driver = { |
| 266 | .name = DRIVER_NAME, |
| 267 | .id_table = hopper_pci_table, |
| 268 | .probe = hopper_pci_probe, |
| 269 | .remove = hopper_pci_remove, |
| 270 | }; |
| 271 | |
Libo Chen | ecef5cc | 2013-05-26 22:31:46 -0300 | [diff] [blame] | 272 | module_pci_driver(hopper_pci_driver); |
Manu Abraham | b3b9614 | 2009-12-04 05:41:11 -0300 | [diff] [blame] | 273 | |
| 274 | MODULE_DESCRIPTION("HOPPER driver"); |
| 275 | MODULE_AUTHOR("Manu Abraham"); |
| 276 | MODULE_LICENSE("GPL"); |