Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | * |
| 3 | * Support for the mpeg transport stream transfers |
| 4 | * PCI function #2 of the cx2388x. |
| 5 | * |
| 6 | * (c) 2004 Jelle Foks <jelle@foks.8m.com> |
| 7 | * (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au> |
| 8 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | * |
| 20 | * You should have received a copy of the GNU General Public License |
| 21 | * along with this program; if not, write to the Free Software |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 23 | */ |
| 24 | |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/moduleparam.h> |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/device.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <asm/delay.h> |
| 31 | |
| 32 | #include "cx88.h" |
| 33 | |
| 34 | /* ------------------------------------------------------------------ */ |
| 35 | |
| 36 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); |
| 37 | MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>"); |
| 38 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); |
| 39 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| 40 | MODULE_LICENSE("GPL"); |
| 41 | |
| 42 | static unsigned int debug = 0; |
| 43 | module_param(debug,int,0644); |
| 44 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); |
| 45 | |
| 46 | #define dprintk(level,fmt, arg...) if (debug >= level) \ |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 47 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 49 | #define mpeg_dbg(level,fmt, arg...) if (debug >= level) \ |
| 50 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg) |
| 51 | |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame^] | 52 | #if defined(CONFIG_MODULES) && defined(MODULE) |
| 53 | static void request_module_async(struct work_struct *work) |
| 54 | { |
| 55 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); |
| 56 | switch (cx88_boards[dev->core->board].mpeg) { |
| 57 | case CX88_MPEG_BLACKBIRD: |
| 58 | request_module("cx88-blackbird"); |
| 59 | break; |
| 60 | case CX88_MPEG_DVB: |
| 61 | request_module("cx88-dvb"); |
| 62 | break; |
| 63 | case CX88_BOARD_NONE: |
| 64 | /* reaching this one isn't possible */ |
| 65 | break; |
| 66 | default: |
| 67 | printk("cx88-mpeg.c: WARNING extension [%d] is not supposed to be supported\n",cx88_boards[dev->core->board].mpeg); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | static void request_modules(struct cx8802_dev *dev) |
| 72 | { |
| 73 | INIT_WORK(&dev->request_module_wk, request_module_async); |
| 74 | schedule_work(&dev->request_module_wk); |
| 75 | } |
| 76 | #else |
| 77 | #define request_modules(dev) |
| 78 | #endif /* CONFIG_MODULES */ |
| 79 | |
| 80 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 81 | static LIST_HEAD(cx8802_devlist); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | /* ------------------------------------------------------------------ */ |
| 83 | |
| 84 | static int cx8802_start_dma(struct cx8802_dev *dev, |
| 85 | struct cx88_dmaqueue *q, |
| 86 | struct cx88_buffer *buf) |
| 87 | { |
| 88 | struct cx88_core *core = dev->core; |
| 89 | |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 90 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", dev->width, dev->height, buf->vb.field); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | |
| 92 | /* setup fifo + format */ |
| 93 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], |
| 94 | dev->ts_packet_size, buf->risc.dma); |
| 95 | |
| 96 | /* write TS length to chip */ |
| 97 | cx_write(MO_TS_LNGTH, buf->vb.width); |
| 98 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | /* FIXME: this needs a review. |
| 100 | * also: move to cx88-blackbird + cx88-dvb source files? */ |
| 101 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 102 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
| 103 | |
| 104 | if ( (core->active_type_id == CX88_MPEG_DVB) && |
| 105 | (cx88_boards[core->board].mpeg & CX88_MPEG_DVB) ) { |
| 106 | |
| 107 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | /* negedge driven & software reset */ |
Michael Krufky | f179849 | 2005-07-07 17:58:39 -0700 | [diff] [blame] | 109 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | udelay(100); |
| 111 | cx_write(MO_PINMUX_IO, 0x00); |
Michael Krufky | 0d723c0 | 2005-07-07 17:58:42 -0700 | [diff] [blame] | 112 | cx_write(TS_HW_SOP_CNTRL,0x47<<16|188<<4|0x01); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 113 | switch (core->board) { |
| 114 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
| 115 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: |
| 116 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: |
Rusty Scott | da215d2 | 2006-04-07 02:21:31 -0300 | [diff] [blame] | 117 | case CX88_BOARD_PCHDTV_HD5500: |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 118 | cx_write(TS_SOP_STAT, 1<<13); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 119 | break; |
Steven Toth | 0fa14aa | 2006-01-09 15:25:02 -0200 | [diff] [blame] | 120 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
| 121 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
| 122 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ |
| 123 | udelay(100); |
| 124 | break; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 125 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
| 126 | break; |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 127 | default: |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 128 | cx_write(TS_SOP_STAT, 0x00); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 129 | break; |
Michael Krufky | f179849 | 2005-07-07 17:58:39 -0700 | [diff] [blame] | 130 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
| 132 | udelay(100); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 133 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
| 134 | (cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD) ) { |
| 135 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
| 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
| 139 | udelay(100); |
| 140 | |
| 141 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 142 | cx_write(TS_VALERR_CNTRL, 0x2000); |
| 143 | |
| 144 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ |
| 145 | udelay(100); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 146 | } else { |
| 147 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __FUNCTION__, |
| 148 | cx88_boards[core->board].mpeg ); |
| 149 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | |
| 152 | /* reset counter */ |
| 153 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); |
| 154 | q->count = 1; |
| 155 | |
| 156 | /* enable irqs */ |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 157 | dprintk( 1, "setting the interrupt mask\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 159 | cx_set(MO_TS_INTMSK, 0x1f0011); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | |
| 161 | /* start dma */ |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 162 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
| 163 | cx_set(MO_TS_DMACNTRL, 0x11); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | static int cx8802_stop_dma(struct cx8802_dev *dev) |
| 168 | { |
| 169 | struct cx88_core *core = dev->core; |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 170 | dprintk( 1, "cx8802_stop_dma\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 171 | |
| 172 | /* stop dma */ |
| 173 | cx_clear(MO_TS_DMACNTRL, 0x11); |
| 174 | |
| 175 | /* disable irqs */ |
| 176 | cx_clear(MO_PCI_INTMSK, 0x000004); |
| 177 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
| 178 | |
| 179 | /* Reset the controller */ |
| 180 | cx_write(TS_GEN_CNTRL, 0xcd); |
| 181 | return 0; |
| 182 | } |
| 183 | |
| 184 | static int cx8802_restart_queue(struct cx8802_dev *dev, |
| 185 | struct cx88_dmaqueue *q) |
| 186 | { |
| 187 | struct cx88_buffer *buf; |
| 188 | struct list_head *item; |
| 189 | |
Jelle Foks | f14ac0b | 2006-03-09 17:44:07 -0300 | [diff] [blame] | 190 | dprintk( 1, "cx8802_restart_queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | if (list_empty(&q->active)) |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 192 | { |
Jelle Foks | f14ac0b | 2006-03-09 17:44:07 -0300 | [diff] [blame] | 193 | struct cx88_buffer *prev; |
| 194 | prev = NULL; |
| 195 | |
| 196 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); |
| 197 | |
| 198 | for (;;) { |
| 199 | if (list_empty(&q->queued)) |
| 200 | return 0; |
| 201 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); |
| 202 | if (NULL == prev) { |
| 203 | list_del(&buf->vb.queue); |
| 204 | list_add_tail(&buf->vb.queue,&q->active); |
| 205 | cx8802_start_dma(dev, q, buf); |
| 206 | buf->vb.state = STATE_ACTIVE; |
| 207 | buf->count = q->count++; |
| 208 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 209 | dprintk(1,"[%p/%d] restart_queue - first active\n", |
| 210 | buf,buf->vb.i); |
| 211 | |
| 212 | } else if (prev->vb.width == buf->vb.width && |
| 213 | prev->vb.height == buf->vb.height && |
| 214 | prev->fmt == buf->fmt) { |
| 215 | list_del(&buf->vb.queue); |
| 216 | list_add_tail(&buf->vb.queue,&q->active); |
| 217 | buf->vb.state = STATE_ACTIVE; |
| 218 | buf->count = q->count++; |
| 219 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| 220 | dprintk(1,"[%p/%d] restart_queue - move to active\n", |
| 221 | buf,buf->vb.i); |
| 222 | } else { |
| 223 | return 0; |
| 224 | } |
| 225 | prev = buf; |
| 226 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | return 0; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 228 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 229 | |
| 230 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); |
| 231 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", |
| 232 | buf, buf->vb.i); |
| 233 | cx8802_start_dma(dev, q, buf); |
| 234 | list_for_each(item,&q->active) { |
| 235 | buf = list_entry(item, struct cx88_buffer, vb.queue); |
| 236 | buf->count = q->count++; |
| 237 | } |
| 238 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 239 | return 0; |
| 240 | } |
| 241 | |
| 242 | /* ------------------------------------------------------------------ */ |
| 243 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 244 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
| 245 | struct cx88_buffer *buf, enum v4l2_field field) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | { |
| 247 | int size = dev->ts_packet_size * dev->ts_packet_count; |
| 248 | int rc; |
| 249 | |
| 250 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); |
| 251 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
| 252 | return -EINVAL; |
| 253 | |
| 254 | if (STATE_NEEDS_INIT == buf->vb.state) { |
| 255 | buf->vb.width = dev->ts_packet_size; |
| 256 | buf->vb.height = dev->ts_packet_count; |
| 257 | buf->vb.size = size; |
Catalin Climov | 3162942 | 2005-11-08 21:36:17 -0800 | [diff] [blame] | 258 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 259 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 260 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 261 | goto fail; |
| 262 | cx88_risc_databuffer(dev->pci, &buf->risc, |
| 263 | buf->vb.dma.sglist, |
| 264 | buf->vb.width, buf->vb.height); |
| 265 | } |
| 266 | buf->vb.state = STATE_PREPARED; |
| 267 | return 0; |
| 268 | |
| 269 | fail: |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 270 | cx88_free_buffer(q,buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 271 | return rc; |
| 272 | } |
| 273 | |
| 274 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) |
| 275 | { |
| 276 | struct cx88_buffer *prev; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 277 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 279 | dprintk( 1, "cx8802_buf_queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | /* add jump to stopper */ |
| 281 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 282 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 284 | if (list_empty(&cx88q->active)) { |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 285 | dprintk( 1, "queue is empty - first active\n" ); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 286 | list_add_tail(&buf->vb.queue,&cx88q->active); |
| 287 | cx8802_start_dma(dev, cx88q, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | buf->vb.state = STATE_ACTIVE; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 289 | buf->count = cx88q->count++; |
| 290 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 291 | dprintk(1,"[%p/%d] %s - first active\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | buf, buf->vb.i, __FUNCTION__); |
| 293 | |
| 294 | } else { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 295 | dprintk( 1, "queue is not empty - append to active\n" ); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 296 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
| 297 | list_add_tail(&buf->vb.queue,&cx88q->active); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | buf->vb.state = STATE_ACTIVE; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 299 | buf->count = cx88q->count++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 301 | dprintk( 1, "[%p/%d] %s - append to active\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | buf, buf->vb.i, __FUNCTION__); |
| 303 | } |
| 304 | } |
| 305 | |
| 306 | /* ----------------------------------------------------------- */ |
| 307 | |
| 308 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) |
| 309 | { |
| 310 | struct cx88_dmaqueue *q = &dev->mpegq; |
| 311 | struct cx88_buffer *buf; |
| 312 | unsigned long flags; |
| 313 | |
| 314 | spin_lock_irqsave(&dev->slock,flags); |
| 315 | while (!list_empty(&q->active)) { |
| 316 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); |
| 317 | list_del(&buf->vb.queue); |
| 318 | buf->vb.state = STATE_ERROR; |
| 319 | wake_up(&buf->vb.done); |
| 320 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", |
| 321 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); |
| 322 | } |
| 323 | if (restart) |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 324 | { |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 325 | dprintk(1, "restarting queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | cx8802_restart_queue(dev,q); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 327 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | spin_unlock_irqrestore(&dev->slock,flags); |
| 329 | } |
| 330 | |
| 331 | void cx8802_cancel_buffers(struct cx8802_dev *dev) |
| 332 | { |
| 333 | struct cx88_dmaqueue *q = &dev->mpegq; |
| 334 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 335 | dprintk( 1, "cx8802_cancel_buffers" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | del_timer_sync(&q->timeout); |
| 337 | cx8802_stop_dma(dev); |
| 338 | do_cancel_buffers(dev,"cancel",0); |
| 339 | } |
| 340 | |
| 341 | static void cx8802_timeout(unsigned long data) |
| 342 | { |
| 343 | struct cx8802_dev *dev = (struct cx8802_dev*)data; |
| 344 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 345 | dprintk(0, "%s\n",__FUNCTION__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | |
| 347 | if (debug) |
| 348 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); |
| 349 | cx8802_stop_dma(dev); |
| 350 | do_cancel_buffers(dev,"timeout",1); |
| 351 | } |
| 352 | |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 353 | static char *cx88_mpeg_irqs[32] = { |
| 354 | "ts_risci1", NULL, NULL, NULL, |
| 355 | "ts_risci2", NULL, NULL, NULL, |
| 356 | "ts_oflow", NULL, NULL, NULL, |
| 357 | "ts_sync", NULL, NULL, NULL, |
| 358 | "opc_err", "par_err", "rip_err", "pci_abort", |
| 359 | "ts_err?", |
| 360 | }; |
| 361 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
| 363 | { |
| 364 | struct cx88_core *core = dev->core; |
| 365 | u32 status, mask, count; |
| 366 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 367 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | status = cx_read(MO_TS_INTSTAT); |
| 369 | mask = cx_read(MO_TS_INTMSK); |
| 370 | if (0 == (status & mask)) |
| 371 | return; |
| 372 | |
| 373 | cx_write(MO_TS_INTSTAT, status); |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 374 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 375 | if (debug || (status & mask & ~0xff)) |
| 376 | cx88_print_irqbits(core->name, "irq mpeg ", |
| 377 | cx88_mpeg_irqs, status, mask); |
| 378 | |
| 379 | /* risc op code error */ |
| 380 | if (status & (1 << 16)) { |
| 381 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); |
| 382 | cx_clear(MO_TS_DMACNTRL, 0x11); |
| 383 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); |
| 384 | } |
| 385 | |
| 386 | /* risc1 y */ |
| 387 | if (status & 0x01) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 388 | dprintk( 1, "wake up\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 389 | spin_lock(&dev->slock); |
| 390 | count = cx_read(MO_TS_GPCNT); |
| 391 | cx88_wakeup(dev->core, &dev->mpegq, count); |
| 392 | spin_unlock(&dev->slock); |
| 393 | } |
| 394 | |
| 395 | /* risc2 y */ |
| 396 | if (status & 0x10) { |
| 397 | spin_lock(&dev->slock); |
| 398 | cx8802_restart_queue(dev,&dev->mpegq); |
| 399 | spin_unlock(&dev->slock); |
| 400 | } |
| 401 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 402 | /* other general errors */ |
| 403 | if (status & 0x1f0100) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 404 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 405 | spin_lock(&dev->slock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | cx8802_stop_dma(dev); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 407 | cx8802_restart_queue(dev,&dev->mpegq); |
| 408 | spin_unlock(&dev->slock); |
| 409 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | } |
| 411 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 412 | #define MAX_IRQ_LOOP 10 |
| 413 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 414 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 415 | { |
| 416 | struct cx8802_dev *dev = dev_id; |
| 417 | struct cx88_core *core = dev->core; |
| 418 | u32 status; |
| 419 | int loop, handled = 0; |
| 420 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 421 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04); |
| 423 | if (0 == status) |
| 424 | goto out; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 425 | dprintk( 1, "cx8802_irq\n" ); |
| 426 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); |
| 427 | dprintk( 1, " status: %d\n", status ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | handled = 1; |
| 429 | cx_write(MO_PCI_INTSTAT, status); |
| 430 | |
| 431 | if (status & core->pci_irqmask) |
| 432 | cx88_core_irq(core,status); |
| 433 | if (status & 0x04) |
| 434 | cx8802_mpeg_irq(dev); |
| 435 | }; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 436 | if (MAX_IRQ_LOOP == loop) { |
| 437 | dprintk( 0, "clearing mask\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
| 439 | core->name); |
| 440 | cx_write(MO_PCI_INTMSK,0); |
| 441 | } |
| 442 | |
| 443 | out: |
| 444 | return IRQ_RETVAL(handled); |
| 445 | } |
| 446 | |
| 447 | /* ----------------------------------------------------------- */ |
| 448 | /* exported stuff */ |
| 449 | |
| 450 | int cx8802_init_common(struct cx8802_dev *dev) |
| 451 | { |
| 452 | struct cx88_core *core = dev->core; |
| 453 | int err; |
| 454 | |
| 455 | /* pci init */ |
| 456 | if (pci_enable_device(dev->pci)) |
| 457 | return -EIO; |
| 458 | pci_set_master(dev->pci); |
| 459 | if (!pci_dma_supported(dev->pci,0xffffffff)) { |
| 460 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
| 461 | return -EIO; |
| 462 | } |
| 463 | |
| 464 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 465 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
| 466 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " |
Greg Kroah-Hartman | 228aef6 | 2006-06-12 15:16:52 -0700 | [diff] [blame] | 467 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
Greg Kroah-Hartman | 228aef6 | 2006-06-12 15:16:52 -0700 | [diff] [blame] | 469 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 470 | |
| 471 | /* initialize driver struct */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 472 | spin_lock_init(&dev->slock); |
| 473 | |
| 474 | /* init dma queue */ |
| 475 | INIT_LIST_HEAD(&dev->mpegq.active); |
| 476 | INIT_LIST_HEAD(&dev->mpegq.queued); |
| 477 | dev->mpegq.timeout.function = cx8802_timeout; |
| 478 | dev->mpegq.timeout.data = (unsigned long)dev; |
| 479 | init_timer(&dev->mpegq.timeout); |
| 480 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, |
| 481 | MO_TS_DMACNTRL,0x11,0x00); |
| 482 | |
| 483 | /* get irq */ |
| 484 | err = request_irq(dev->pci->irq, cx8802_irq, |
Thomas Gleixner | 8076fe3 | 2006-07-01 19:29:37 -0700 | [diff] [blame] | 485 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 486 | if (err < 0) { |
| 487 | printk(KERN_ERR "%s: can't get IRQ %d\n", |
| 488 | dev->core->name, dev->pci->irq); |
| 489 | return err; |
| 490 | } |
| 491 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); |
| 492 | |
| 493 | /* everything worked */ |
| 494 | pci_set_drvdata(dev->pci,dev); |
| 495 | return 0; |
| 496 | } |
| 497 | |
| 498 | void cx8802_fini_common(struct cx8802_dev *dev) |
| 499 | { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 500 | dprintk( 2, "cx8802_fini_common\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 501 | cx8802_stop_dma(dev); |
| 502 | pci_disable_device(dev->pci); |
| 503 | |
| 504 | /* unregister stuff */ |
| 505 | free_irq(dev->pci->irq, dev); |
| 506 | pci_set_drvdata(dev->pci, NULL); |
| 507 | |
| 508 | /* free memory */ |
| 509 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); |
| 510 | } |
| 511 | |
| 512 | /* ----------------------------------------------------------- */ |
| 513 | |
| 514 | int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
| 515 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 516 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 517 | struct cx88_core *core = dev->core; |
| 518 | |
| 519 | /* stop mpeg dma */ |
| 520 | spin_lock(&dev->slock); |
| 521 | if (!list_empty(&dev->mpegq.active)) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 522 | dprintk( 2, "suspend\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 523 | printk("%s: suspend mpeg\n", core->name); |
| 524 | cx8802_stop_dma(dev); |
| 525 | del_timer(&dev->mpegq.timeout); |
| 526 | } |
| 527 | spin_unlock(&dev->slock); |
| 528 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 529 | /* FIXME -- shutdown device */ |
| 530 | cx88_shutdown(dev->core); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | |
| 532 | pci_save_state(pci_dev); |
| 533 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { |
| 534 | pci_disable_device(pci_dev); |
| 535 | dev->state.disabled = 1; |
| 536 | } |
| 537 | return 0; |
| 538 | } |
| 539 | |
| 540 | int cx8802_resume_common(struct pci_dev *pci_dev) |
| 541 | { |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 542 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 543 | struct cx88_core *core = dev->core; |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 544 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 545 | |
| 546 | if (dev->state.disabled) { |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 547 | err=pci_enable_device(pci_dev); |
| 548 | if (err) { |
| 549 | printk(KERN_ERR "%s: can't enable device\n", |
| 550 | dev->core->name); |
| 551 | return err; |
| 552 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 553 | dev->state.disabled = 0; |
| 554 | } |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 555 | err=pci_set_power_state(pci_dev, PCI_D0); |
| 556 | if (err) { |
| 557 | printk(KERN_ERR "%s: can't enable device\n", |
| 558 | dev->core->name); |
| 559 | pci_disable_device(pci_dev); |
| 560 | dev->state.disabled = 1; |
| 561 | |
| 562 | return err; |
| 563 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | pci_restore_state(pci_dev); |
| 565 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 566 | /* FIXME: re-initialize hardware */ |
| 567 | cx88_reset(dev->core); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 568 | |
| 569 | /* restart video+vbi capture */ |
| 570 | spin_lock(&dev->slock); |
| 571 | if (!list_empty(&dev->mpegq.active)) { |
| 572 | printk("%s: resume mpeg\n", core->name); |
| 573 | cx8802_restart_queue(dev,&dev->mpegq); |
| 574 | } |
| 575 | spin_unlock(&dev->slock); |
| 576 | |
| 577 | return 0; |
| 578 | } |
| 579 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 580 | struct cx8802_dev * cx8802_get_device(struct inode *inode) |
| 581 | { |
| 582 | int minor = iminor(inode); |
| 583 | struct cx8802_dev *h = NULL; |
| 584 | struct list_head *list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 586 | list_for_each(list,&cx8802_devlist) { |
| 587 | h = list_entry(list, struct cx8802_dev, devlist); |
| 588 | if (h->mpeg_dev->minor == minor) |
| 589 | return h; |
| 590 | } |
| 591 | |
| 592 | return NULL; |
| 593 | } |
| 594 | |
| 595 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
| 596 | { |
| 597 | struct cx8802_dev *h = NULL; |
| 598 | struct cx8802_driver *d = NULL; |
| 599 | struct list_head *list; |
| 600 | struct list_head *list2; |
| 601 | |
| 602 | list_for_each(list,&cx8802_devlist) { |
| 603 | h = list_entry(list, struct cx8802_dev, devlist); |
Steven Toth | 7343826 | 2006-10-05 21:28:24 -0300 | [diff] [blame] | 604 | if (h != dev) |
| 605 | continue; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 606 | |
| 607 | list_for_each(list2, &h->drvlist.devlist) { |
| 608 | d = list_entry(list2, struct cx8802_driver, devlist); |
| 609 | |
| 610 | /* only unregister the correct driver type */ |
| 611 | if (d->type_id == btype) { |
| 612 | return d; |
| 613 | } |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | return NULL; |
| 618 | } |
| 619 | |
| 620 | /* Driver asked for hardware access. */ |
| 621 | int cx8802_request_acquire(struct cx8802_driver *drv) |
| 622 | { |
| 623 | struct cx88_core *core = drv->core; |
| 624 | |
| 625 | /* Fail a request for hardware if the device is busy. */ |
| 626 | if (core->active_type_id != CX88_BOARD_NONE) |
| 627 | return -EBUSY; |
| 628 | |
| 629 | if (drv->advise_acquire) |
| 630 | { |
| 631 | core->active_type_id = drv->type_id; |
| 632 | drv->advise_acquire(drv); |
| 633 | |
| 634 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); |
| 635 | } |
| 636 | |
| 637 | return 0; |
| 638 | } |
| 639 | |
| 640 | /* Driver asked to release hardware. */ |
| 641 | int cx8802_request_release(struct cx8802_driver *drv) |
| 642 | { |
| 643 | struct cx88_core *core = drv->core; |
| 644 | |
| 645 | if (drv->advise_release) |
| 646 | { |
| 647 | drv->advise_release(drv); |
| 648 | core->active_type_id = CX88_BOARD_NONE; |
| 649 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __FUNCTION__, cx_read(MO_GP0_IO)); |
| 650 | } |
| 651 | |
| 652 | return 0; |
| 653 | } |
| 654 | |
| 655 | static int cx8802_check_driver(struct cx8802_driver *drv) |
| 656 | { |
| 657 | if (drv == NULL) |
| 658 | return -ENODEV; |
| 659 | |
| 660 | if ((drv->type_id != CX88_MPEG_DVB) && |
| 661 | (drv->type_id != CX88_MPEG_BLACKBIRD)) |
| 662 | return -EINVAL; |
| 663 | |
| 664 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && |
| 665 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) |
| 666 | return -EINVAL; |
| 667 | |
| 668 | if ((drv->probe == NULL) || |
| 669 | (drv->remove == NULL) || |
| 670 | (drv->advise_acquire == NULL) || |
| 671 | (drv->advise_release == NULL)) |
| 672 | return -EINVAL; |
| 673 | |
| 674 | return 0; |
| 675 | } |
| 676 | |
| 677 | int cx8802_register_driver(struct cx8802_driver *drv) |
| 678 | { |
| 679 | struct cx8802_dev *h; |
| 680 | struct cx8802_driver *driver; |
| 681 | struct list_head *list; |
| 682 | int err = 0, i = 0; |
| 683 | |
| 684 | printk(KERN_INFO "%s() ->registering driver type=%s access=%s\n", __FUNCTION__ , |
| 685 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", |
| 686 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); |
| 687 | |
| 688 | if ((err = cx8802_check_driver(drv)) != 0) { |
| 689 | printk(KERN_INFO "%s() cx8802_driver is invalid\n", __FUNCTION__ ); |
| 690 | return err; |
| 691 | } |
| 692 | |
| 693 | list_for_each(list,&cx8802_devlist) { |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 694 | h = list_entry(list, struct cx8802_dev, devlist); |
| 695 | |
| 696 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n", |
| 697 | h->core->name,h->pci->subsystem_vendor, |
| 698 | h->pci->subsystem_device,cx88_boards[h->core->board].name, |
| 699 | h->core->board); |
| 700 | |
| 701 | /* Bring up a new struct for each driver instance */ |
| 702 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); |
| 703 | if (driver == NULL) |
| 704 | return -ENOMEM; |
| 705 | |
| 706 | /* Snapshot of the driver registration data */ |
| 707 | drv->core = h->core; |
| 708 | drv->suspend = cx8802_suspend_common; |
| 709 | drv->resume = cx8802_resume_common; |
| 710 | drv->request_acquire = cx8802_request_acquire; |
| 711 | drv->request_release = cx8802_request_release; |
| 712 | memcpy(driver, drv, sizeof(*driver)); |
| 713 | |
| 714 | err = drv->probe(driver); |
| 715 | if (err == 0) { |
Steven Toth | 019391e4 | 2006-10-06 21:29:25 -0300 | [diff] [blame] | 716 | i++; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 717 | mutex_lock(&drv->core->lock); |
| 718 | list_add_tail(&driver->devlist,&h->drvlist.devlist); |
| 719 | mutex_unlock(&drv->core->lock); |
| 720 | } else { |
| 721 | printk(KERN_ERR "%s() ->probe failed err = %d\n", __FUNCTION__, err); |
| 722 | } |
| 723 | |
| 724 | } |
| 725 | if (i == 0) |
| 726 | err = -ENODEV; |
Steven Toth | 019391e4 | 2006-10-06 21:29:25 -0300 | [diff] [blame] | 727 | else |
| 728 | err = 0; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 729 | |
| 730 | return err; |
| 731 | } |
| 732 | |
| 733 | int cx8802_unregister_driver(struct cx8802_driver *drv) |
| 734 | { |
| 735 | struct cx8802_dev *h; |
| 736 | struct cx8802_driver *d; |
| 737 | struct list_head *list; |
| 738 | struct list_head *list2, *q; |
| 739 | int err = 0, i = 0; |
| 740 | |
| 741 | printk(KERN_INFO "%s() ->unregistering driver type=%s\n", __FUNCTION__ , |
| 742 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird"); |
| 743 | |
| 744 | list_for_each(list,&cx8802_devlist) { |
| 745 | i++; |
| 746 | h = list_entry(list, struct cx8802_dev, devlist); |
| 747 | |
| 748 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d]\n", |
| 749 | h->core->name,h->pci->subsystem_vendor, |
| 750 | h->pci->subsystem_device,cx88_boards[h->core->board].name, |
| 751 | h->core->board); |
| 752 | |
| 753 | list_for_each_safe(list2, q, &h->drvlist.devlist) { |
| 754 | d = list_entry(list2, struct cx8802_driver, devlist); |
| 755 | |
| 756 | /* only unregister the correct driver type */ |
| 757 | if (d->type_id != drv->type_id) |
| 758 | continue; |
| 759 | |
| 760 | err = d->remove(d); |
| 761 | if (err == 0) { |
| 762 | mutex_lock(&drv->core->lock); |
| 763 | list_del(list2); |
| 764 | mutex_unlock(&drv->core->lock); |
| 765 | } else |
| 766 | printk(KERN_ERR "%s() ->remove failed err = %d\n", __FUNCTION__, err); |
| 767 | |
| 768 | } |
| 769 | |
| 770 | } |
| 771 | |
| 772 | return err; |
| 773 | } |
| 774 | |
| 775 | /* ----------------------------------------------------------- */ |
| 776 | static int __devinit cx8802_probe(struct pci_dev *pci_dev, |
| 777 | const struct pci_device_id *pci_id) |
| 778 | { |
| 779 | struct cx8802_dev *dev; |
| 780 | struct cx88_core *core; |
| 781 | int err; |
| 782 | |
| 783 | /* general setup */ |
| 784 | core = cx88_core_get(pci_dev); |
| 785 | if (NULL == core) |
| 786 | return -EINVAL; |
| 787 | |
| 788 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); |
| 789 | |
| 790 | err = -ENODEV; |
| 791 | if (!cx88_boards[core->board].mpeg) |
| 792 | goto fail_core; |
| 793 | |
| 794 | err = -ENOMEM; |
| 795 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); |
| 796 | if (NULL == dev) |
| 797 | goto fail_core; |
| 798 | dev->pci = pci_dev; |
| 799 | dev->core = core; |
| 800 | |
| 801 | err = cx8802_init_common(dev); |
| 802 | if (err != 0) |
| 803 | goto fail_free; |
| 804 | |
| 805 | INIT_LIST_HEAD(&dev->drvlist.devlist); |
| 806 | list_add_tail(&dev->devlist,&cx8802_devlist); |
| 807 | |
| 808 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
| 809 | core->dvbdev = dev; |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame^] | 810 | |
| 811 | /* now autoload cx88-dvb or cx88-blackbird */ |
| 812 | request_modules(dev); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 813 | return 0; |
| 814 | |
| 815 | fail_free: |
| 816 | kfree(dev); |
| 817 | fail_core: |
| 818 | cx88_core_put(core,pci_dev); |
| 819 | return err; |
| 820 | } |
| 821 | |
| 822 | static void __devexit cx8802_remove(struct pci_dev *pci_dev) |
| 823 | { |
| 824 | struct cx8802_dev *dev; |
| 825 | struct cx8802_driver *h; |
| 826 | struct list_head *list; |
| 827 | |
| 828 | dev = pci_get_drvdata(pci_dev); |
| 829 | |
| 830 | dprintk( 1, "%s\n", __FUNCTION__); |
| 831 | |
| 832 | list_for_each(list,&dev->drvlist.devlist) { |
| 833 | h = list_entry(list, struct cx8802_driver, devlist); |
| 834 | dprintk( 1, " ->driver\n"); |
| 835 | if (h->remove == NULL) { |
| 836 | printk(KERN_ERR "%s .. skipping driver, no probe function\n", __FUNCTION__); |
| 837 | continue; |
| 838 | } |
| 839 | printk(KERN_INFO "%s .. Removing driver type %d\n", __FUNCTION__, h->type_id); |
| 840 | cx8802_unregister_driver(h); |
| 841 | list_del(&dev->drvlist.devlist); |
| 842 | } |
| 843 | |
| 844 | /* Destroy any 8802 reference. */ |
| 845 | dev->core->dvbdev = NULL; |
| 846 | |
| 847 | /* common */ |
| 848 | cx8802_fini_common(dev); |
| 849 | cx88_core_put(dev->core,dev->pci); |
| 850 | kfree(dev); |
| 851 | } |
| 852 | |
| 853 | static struct pci_device_id cx8802_pci_tbl[] = { |
| 854 | { |
| 855 | .vendor = 0x14f1, |
| 856 | .device = 0x8802, |
| 857 | .subvendor = PCI_ANY_ID, |
| 858 | .subdevice = PCI_ANY_ID, |
| 859 | },{ |
| 860 | /* --- end of list --- */ |
| 861 | } |
| 862 | }; |
| 863 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); |
| 864 | |
| 865 | static struct pci_driver cx8802_pci_driver = { |
| 866 | .name = "cx88-mpeg driver manager", |
| 867 | .id_table = cx8802_pci_tbl, |
| 868 | .probe = cx8802_probe, |
| 869 | .remove = __devexit_p(cx8802_remove), |
| 870 | }; |
| 871 | |
| 872 | static int cx8802_init(void) |
| 873 | { |
| 874 | printk(KERN_INFO "cx2388x cx88-mpeg Driver Manager version %d.%d.%d loaded\n", |
| 875 | (CX88_VERSION_CODE >> 16) & 0xff, |
| 876 | (CX88_VERSION_CODE >> 8) & 0xff, |
| 877 | CX88_VERSION_CODE & 0xff); |
| 878 | #ifdef SNAPSHOT |
| 879 | printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n", |
| 880 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); |
| 881 | #endif |
| 882 | return pci_register_driver(&cx8802_pci_driver); |
| 883 | } |
| 884 | |
| 885 | static void cx8802_fini(void) |
| 886 | { |
| 887 | pci_unregister_driver(&cx8802_pci_driver); |
| 888 | } |
| 889 | |
| 890 | module_init(cx8802_init); |
| 891 | module_exit(cx8802_fini); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | EXPORT_SYMBOL(cx8802_buf_prepare); |
| 893 | EXPORT_SYMBOL(cx8802_buf_queue); |
| 894 | EXPORT_SYMBOL(cx8802_cancel_buffers); |
| 895 | |
| 896 | EXPORT_SYMBOL(cx8802_init_common); |
| 897 | EXPORT_SYMBOL(cx8802_fini_common); |
| 898 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 899 | EXPORT_SYMBOL(cx8802_register_driver); |
| 900 | EXPORT_SYMBOL(cx8802_unregister_driver); |
| 901 | EXPORT_SYMBOL(cx8802_get_device); |
| 902 | EXPORT_SYMBOL(cx8802_get_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 903 | /* ----------------------------------------------------------- */ |
| 904 | /* |
| 905 | * Local variables: |
| 906 | * c-basic-offset: 8 |
| 907 | * End: |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 908 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 909 | */ |