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 | * |
Jelle Foks | f8de18d | 2008-11-20 07:07:45 -0300 | [diff] [blame] | 6 | * (c) 2004 Jelle Foks <jelle@foks.us> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 26 | #include <linux/slab.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 | #include <linux/init.h> |
| 28 | #include <linux/device.h> |
Andrew Morton | c24228d | 2007-05-06 14:51:55 -0700 | [diff] [blame] | 29 | #include <linux/dma-mapping.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | #include <linux/interrupt.h> |
| 31 | #include <asm/delay.h> |
| 32 | |
| 33 | #include "cx88.h" |
| 34 | |
| 35 | /* ------------------------------------------------------------------ */ |
| 36 | |
| 37 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); |
Jelle Foks | f8de18d | 2008-11-20 07:07:45 -0300 | [diff] [blame] | 38 | MODULE_AUTHOR("Jelle Foks <jelle@foks.us>"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); |
| 40 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| 41 | MODULE_LICENSE("GPL"); |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 42 | MODULE_VERSION(CX88_VERSION); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 44 | static unsigned int debug; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | module_param(debug,int,0644); |
| 46 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); |
| 47 | |
Mauro Carvalho Chehab | db61371 | 2012-10-27 15:25:02 -0300 | [diff] [blame] | 48 | #define dprintk(level, fmt, arg...) do { \ |
| 49 | if (debug + 1 > level) \ |
| 50 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, dev->core->name, ## arg); \ |
| 51 | } while(0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
Mauro Carvalho Chehab | db61371 | 2012-10-27 15:25:02 -0300 | [diff] [blame] | 53 | #define mpeg_dbg(level, fmt, arg...) do { \ |
| 54 | if (debug + 1 > level) \ |
| 55 | printk(KERN_DEBUG "%s/2-mpeg: " fmt, core->name, ## arg); \ |
| 56 | } while(0) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 57 | |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 58 | #if defined(CONFIG_MODULES) && defined(MODULE) |
| 59 | static void request_module_async(struct work_struct *work) |
| 60 | { |
| 61 | struct cx8802_dev *dev=container_of(work, struct cx8802_dev, request_module_wk); |
Markus Rechberger | ced80c6 | 2007-04-27 12:31:07 -0300 | [diff] [blame] | 62 | |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 63 | if (dev->core->board.mpeg & CX88_MPEG_DVB) |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 64 | request_module("cx88-dvb"); |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 65 | if (dev->core->board.mpeg & CX88_MPEG_BLACKBIRD) |
Markus Rechberger | ced80c6 | 2007-04-27 12:31:07 -0300 | [diff] [blame] | 66 | request_module("cx88-blackbird"); |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 67 | } |
| 68 | |
| 69 | static void request_modules(struct cx8802_dev *dev) |
| 70 | { |
| 71 | INIT_WORK(&dev->request_module_wk, request_module_async); |
| 72 | schedule_work(&dev->request_module_wk); |
| 73 | } |
Tejun Heo | 707bcf3 | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 74 | |
| 75 | static void flush_request_modules(struct cx8802_dev *dev) |
| 76 | { |
Tejun Heo | 4382973 | 2012-08-20 14:51:24 -0700 | [diff] [blame] | 77 | flush_work(&dev->request_module_wk); |
Tejun Heo | 707bcf3 | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 78 | } |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 79 | #else |
| 80 | #define request_modules(dev) |
Tejun Heo | 707bcf3 | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 81 | #define flush_request_modules(dev) |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 82 | #endif /* CONFIG_MODULES */ |
| 83 | |
| 84 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 85 | static LIST_HEAD(cx8802_devlist); |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 86 | static DEFINE_MUTEX(cx8802_mutex); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | /* ------------------------------------------------------------------ */ |
| 88 | |
| 89 | static int cx8802_start_dma(struct cx8802_dev *dev, |
| 90 | struct cx88_dmaqueue *q, |
| 91 | struct cx88_buffer *buf) |
| 92 | { |
| 93 | struct cx88_core *core = dev->core; |
| 94 | |
Trent Piepho | 7717cbe | 2007-10-14 02:52:16 -0300 | [diff] [blame] | 95 | dprintk(1, "cx8802_start_dma w: %d, h: %d, f: %d\n", |
| 96 | buf->vb.width, buf->vb.height, buf->vb.field); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
| 98 | /* setup fifo + format */ |
| 99 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], |
| 100 | dev->ts_packet_size, buf->risc.dma); |
| 101 | |
| 102 | /* write TS length to chip */ |
| 103 | cx_write(MO_TS_LNGTH, buf->vb.width); |
| 104 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | /* FIXME: this needs a review. |
| 106 | * also: move to cx88-blackbird + cx88-dvb source files? */ |
| 107 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 108 | dprintk( 1, "core->active_type_id = 0x%08x\n", core->active_type_id); |
| 109 | |
| 110 | if ( (core->active_type_id == CX88_MPEG_DVB) && |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 111 | (core->board.mpeg & CX88_MPEG_DVB) ) { |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 112 | |
| 113 | dprintk( 1, "cx8802_start_dma doing .dvb\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | /* negedge driven & software reset */ |
Michael Krufky | f179849 | 2005-07-07 17:58:39 -0700 | [diff] [blame] | 115 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 116 | udelay(100); |
| 117 | cx_write(MO_PINMUX_IO, 0x00); |
Steven Toth | 60464da | 2008-01-05 16:53:01 -0300 | [diff] [blame] | 118 | cx_write(TS_HW_SOP_CNTRL, 0x47<<16|188<<4|0x01); |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 119 | switch (core->boardnr) { |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 120 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q: |
| 121 | case CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T: |
| 122 | case CX88_BOARD_DVICO_FUSIONHDTV_5_GOLD: |
Rusty Scott | da215d2 | 2006-04-07 02:21:31 -0300 | [diff] [blame] | 123 | case CX88_BOARD_PCHDTV_HD5500: |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 124 | cx_write(TS_SOP_STAT, 1<<13); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 125 | break; |
Dirk Herrendoerfer | 4f3ca2f1 | 2010-02-11 18:06:34 -0300 | [diff] [blame] | 126 | case CX88_BOARD_SAMSUNG_SMT_7020: |
| 127 | cx_write(TS_SOP_STAT, 0x00); |
| 128 | break; |
Steven Toth | 0fa14aa | 2006-01-09 15:25:02 -0200 | [diff] [blame] | 129 | case CX88_BOARD_HAUPPAUGE_NOVASPLUS_S1: |
| 130 | case CX88_BOARD_HAUPPAUGE_NOVASE2_S1: |
| 131 | cx_write(MO_PINMUX_IO, 0x88); /* Enable MPEG parallel IO and video signal pins */ |
| 132 | udelay(100); |
| 133 | break; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 134 | case CX88_BOARD_HAUPPAUGE_HVR1300: |
Sohail Syyed | 337ab6d | 2009-07-26 11:06:20 -0300 | [diff] [blame] | 135 | /* Enable MPEG parallel IO and video signal pins */ |
| 136 | cx_write(MO_PINMUX_IO, 0x88); |
| 137 | cx_write(TS_SOP_STAT, 0); |
| 138 | cx_write(TS_VALERR_CNTRL, 0); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 139 | break; |
Steven Toth | 60464da | 2008-01-05 16:53:01 -0300 | [diff] [blame] | 140 | case CX88_BOARD_PINNACLE_PCTV_HD_800i: |
Steven Toth | 4917019 | 2008-01-15 21:57:14 -0300 | [diff] [blame] | 141 | /* Enable MPEG parallel IO and video signal pins */ |
| 142 | cx_write(MO_PINMUX_IO, 0x88); |
| 143 | cx_write(TS_HW_SOP_CNTRL, (0x47 << 16) | (188 << 4)); |
| 144 | dev->ts_gen_cntrl = 5; |
| 145 | cx_write(TS_SOP_STAT, 0); |
| 146 | cx_write(TS_VALERR_CNTRL, 0); |
Steven Toth | 60464da | 2008-01-05 16:53:01 -0300 | [diff] [blame] | 147 | udelay(100); |
| 148 | break; |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 149 | default: |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 150 | cx_write(TS_SOP_STAT, 0x00); |
Mauro Carvalho Chehab | e52e98a | 2005-09-09 13:03:41 -0700 | [diff] [blame] | 151 | break; |
Michael Krufky | f179849 | 2005-07-07 17:58:39 -0700 | [diff] [blame] | 152 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
| 154 | udelay(100); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 155 | } else if ( (core->active_type_id == CX88_MPEG_BLACKBIRD) && |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 156 | (core->board.mpeg & CX88_MPEG_BLACKBIRD) ) { |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 157 | dprintk( 1, "cx8802_start_dma doing .blackbird\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ |
| 159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ |
| 161 | udelay(100); |
| 162 | |
| 163 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | cx_write(TS_VALERR_CNTRL, 0x2000); |
| 165 | |
| 166 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ |
| 167 | udelay(100); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 168 | } else { |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 169 | printk( "%s() Failed. Unsupported value in .mpeg (0x%08x)\n", __func__, |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 170 | core->board.mpeg ); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 171 | return -EINVAL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | |
| 174 | /* reset counter */ |
| 175 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); |
| 176 | q->count = 1; |
| 177 | |
| 178 | /* enable irqs */ |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 179 | dprintk( 1, "setting the interrupt mask\n" ); |
Trent Piepho | 8ddac9e | 2007-08-18 06:57:55 -0300 | [diff] [blame] | 180 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | PCI_INT_TSINT); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 181 | cx_set(MO_TS_INTMSK, 0x1f0011); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
| 183 | /* start dma */ |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 184 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
| 185 | cx_set(MO_TS_DMACNTRL, 0x11); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | return 0; |
| 187 | } |
| 188 | |
| 189 | static int cx8802_stop_dma(struct cx8802_dev *dev) |
| 190 | { |
| 191 | struct cx88_core *core = dev->core; |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 192 | dprintk( 1, "cx8802_stop_dma\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 193 | |
| 194 | /* stop dma */ |
| 195 | cx_clear(MO_TS_DMACNTRL, 0x11); |
| 196 | |
| 197 | /* disable irqs */ |
Trent Piepho | 8ddac9e | 2007-08-18 06:57:55 -0300 | [diff] [blame] | 198 | cx_clear(MO_PCI_INTMSK, PCI_INT_TSINT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | cx_clear(MO_TS_INTMSK, 0x1f0011); |
| 200 | |
| 201 | /* Reset the controller */ |
| 202 | cx_write(TS_GEN_CNTRL, 0xcd); |
| 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | static int cx8802_restart_queue(struct cx8802_dev *dev, |
| 207 | struct cx88_dmaqueue *q) |
| 208 | { |
| 209 | struct cx88_buffer *buf; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 211 | dprintk( 1, "cx8802_restart_queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | if (list_empty(&q->active)) |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 213 | { |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 214 | struct cx88_buffer *prev; |
| 215 | prev = NULL; |
Jelle Foks | f14ac0b | 2006-03-09 17:44:07 -0300 | [diff] [blame] | 216 | |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 217 | dprintk(1, "cx8802_restart_queue: queue is empty\n" ); |
Jelle Foks | f14ac0b | 2006-03-09 17:44:07 -0300 | [diff] [blame] | 218 | |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 219 | for (;;) { |
| 220 | if (list_empty(&q->queued)) |
| 221 | return 0; |
| 222 | buf = list_entry(q->queued.next, struct cx88_buffer, vb.queue); |
| 223 | if (NULL == prev) { |
Wei Yongjun | 8d6b125 | 2012-10-08 08:33:49 -0300 | [diff] [blame] | 224 | list_move_tail(&buf->vb.queue, &q->active); |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 225 | cx8802_start_dma(dev, q, buf); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 226 | buf->vb.state = VIDEOBUF_ACTIVE; |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 227 | buf->count = q->count++; |
| 228 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 229 | dprintk(1,"[%p/%d] restart_queue - first active\n", |
| 230 | buf,buf->vb.i); |
Jelle Foks | f14ac0b | 2006-03-09 17:44:07 -0300 | [diff] [blame] | 231 | |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 232 | } else if (prev->vb.width == buf->vb.width && |
| 233 | prev->vb.height == buf->vb.height && |
| 234 | prev->fmt == buf->fmt) { |
Wei Yongjun | 8d6b125 | 2012-10-08 08:33:49 -0300 | [diff] [blame] | 235 | list_move_tail(&buf->vb.queue, &q->active); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 236 | buf->vb.state = VIDEOBUF_ACTIVE; |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 237 | buf->count = q->count++; |
| 238 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
| 239 | dprintk(1,"[%p/%d] restart_queue - move to active\n", |
| 240 | buf,buf->vb.i); |
| 241 | } else { |
| 242 | return 0; |
| 243 | } |
| 244 | prev = buf; |
| 245 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | return 0; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 247 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
| 249 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); |
| 250 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", |
| 251 | buf, buf->vb.i); |
| 252 | cx8802_start_dma(dev, q, buf); |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 253 | list_for_each_entry(buf, &q->active, vb.queue) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | buf->count = q->count++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); |
| 256 | return 0; |
| 257 | } |
| 258 | |
| 259 | /* ------------------------------------------------------------------ */ |
| 260 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 261 | int cx8802_buf_prepare(struct videobuf_queue *q, struct cx8802_dev *dev, |
| 262 | struct cx88_buffer *buf, enum v4l2_field field) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | { |
| 264 | int size = dev->ts_packet_size * dev->ts_packet_count; |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 265 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 266 | int rc; |
| 267 | |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 268 | dprintk(1, "%s: %p\n", __func__, buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | if (0 != buf->vb.baddr && buf->vb.bsize < size) |
| 270 | return -EINVAL; |
| 271 | |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 272 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | buf->vb.width = dev->ts_packet_size; |
| 274 | buf->vb.height = dev->ts_packet_count; |
| 275 | buf->vb.size = size; |
Catalin Climov | 3162942 | 2005-11-08 21:36:17 -0800 | [diff] [blame] | 276 | buf->vb.field = field /*V4L2_FIELD_TOP*/; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 278 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 279 | goto fail; |
| 280 | cx88_risc_databuffer(dev->pci, &buf->risc, |
Mauro Carvalho Chehab | c1accaa | 2007-08-23 16:37:49 -0300 | [diff] [blame] | 281 | dma->sglist, |
Trent Piepho | 05b2723 | 2007-08-24 01:06:34 -0300 | [diff] [blame] | 282 | buf->vb.width, buf->vb.height, 0); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | } |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 284 | buf->vb.state = VIDEOBUF_PREPARED; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 285 | return 0; |
| 286 | |
| 287 | fail: |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 288 | cx88_free_buffer(q,buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | return rc; |
| 290 | } |
| 291 | |
| 292 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) |
| 293 | { |
| 294 | struct cx88_buffer *prev; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 295 | struct cx88_dmaqueue *cx88q = &dev->mpegq; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 297 | dprintk( 1, "cx8802_buf_queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 298 | /* add jump to stopper */ |
| 299 | 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] | 300 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 302 | if (list_empty(&cx88q->active)) { |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 303 | dprintk( 1, "queue is empty - first active\n" ); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 304 | list_add_tail(&buf->vb.queue,&cx88q->active); |
| 305 | cx8802_start_dma(dev, cx88q, buf); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 306 | buf->vb.state = VIDEOBUF_ACTIVE; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 307 | buf->count = cx88q->count++; |
| 308 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 309 | dprintk(1,"[%p/%d] %s - first active\n", |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 310 | buf, buf->vb.i, __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 311 | |
| 312 | } else { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 313 | dprintk( 1, "queue is not empty - append to active\n" ); |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 314 | prev = list_entry(cx88q->active.prev, struct cx88_buffer, vb.queue); |
| 315 | list_add_tail(&buf->vb.queue,&cx88q->active); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 316 | buf->vb.state = VIDEOBUF_ACTIVE; |
Mauro Carvalho Chehab | c7b0ac0 | 2006-03-10 12:29:15 -0300 | [diff] [blame] | 317 | buf->count = cx88q->count++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 319 | dprintk( 1, "[%p/%d] %s - append to active\n", |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 320 | buf, buf->vb.i, __func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | } |
| 322 | } |
| 323 | |
| 324 | /* ----------------------------------------------------------- */ |
| 325 | |
lawrence rust | 2e4e98e | 2010-08-25 09:50:20 -0300 | [diff] [blame] | 326 | static void do_cancel_buffers(struct cx8802_dev *dev, const char *reason, int restart) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 327 | { |
| 328 | struct cx88_dmaqueue *q = &dev->mpegq; |
| 329 | struct cx88_buffer *buf; |
| 330 | unsigned long flags; |
| 331 | |
| 332 | spin_lock_irqsave(&dev->slock,flags); |
| 333 | while (!list_empty(&q->active)) { |
| 334 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); |
| 335 | list_del(&buf->vb.queue); |
Brandon Philips | 0fc0686 | 2007-11-06 20:02:36 -0300 | [diff] [blame] | 336 | buf->vb.state = VIDEOBUF_ERROR; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | wake_up(&buf->vb.done); |
| 338 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", |
| 339 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); |
| 340 | } |
| 341 | if (restart) |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 342 | { |
Trent Piepho | 76d313b | 2006-04-10 09:27:08 -0300 | [diff] [blame] | 343 | dprintk(1, "restarting queue\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | cx8802_restart_queue(dev,q); |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 345 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | spin_unlock_irqrestore(&dev->slock,flags); |
| 347 | } |
| 348 | |
| 349 | void cx8802_cancel_buffers(struct cx8802_dev *dev) |
| 350 | { |
| 351 | struct cx88_dmaqueue *q = &dev->mpegq; |
| 352 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 353 | dprintk( 1, "cx8802_cancel_buffers" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 354 | del_timer_sync(&q->timeout); |
| 355 | cx8802_stop_dma(dev); |
| 356 | do_cancel_buffers(dev,"cancel",0); |
| 357 | } |
| 358 | |
| 359 | static void cx8802_timeout(unsigned long data) |
| 360 | { |
| 361 | struct cx8802_dev *dev = (struct cx8802_dev*)data; |
| 362 | |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 363 | dprintk(1, "%s\n",__func__); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | |
| 365 | if (debug) |
| 366 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); |
| 367 | cx8802_stop_dma(dev); |
| 368 | do_cancel_buffers(dev,"timeout",1); |
| 369 | } |
| 370 | |
lawrence rust | 2e4e98e | 2010-08-25 09:50:20 -0300 | [diff] [blame] | 371 | static const char * cx88_mpeg_irqs[32] = { |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 372 | "ts_risci1", NULL, NULL, NULL, |
| 373 | "ts_risci2", NULL, NULL, NULL, |
| 374 | "ts_oflow", NULL, NULL, NULL, |
| 375 | "ts_sync", NULL, NULL, NULL, |
| 376 | "opc_err", "par_err", "rip_err", "pci_abort", |
| 377 | "ts_err?", |
| 378 | }; |
| 379 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 380 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
| 381 | { |
| 382 | struct cx88_core *core = dev->core; |
| 383 | u32 status, mask, count; |
| 384 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 385 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | status = cx_read(MO_TS_INTSTAT); |
| 387 | mask = cx_read(MO_TS_INTMSK); |
| 388 | if (0 == (status & mask)) |
| 389 | return; |
| 390 | |
| 391 | cx_write(MO_TS_INTSTAT, status); |
Mauro Carvalho Chehab | 41ef7c1 | 2005-07-12 13:58:44 -0700 | [diff] [blame] | 392 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | if (debug || (status & mask & ~0xff)) |
| 394 | cx88_print_irqbits(core->name, "irq mpeg ", |
Mauro Carvalho Chehab | 66623a0 | 2007-03-29 08:47:04 -0300 | [diff] [blame] | 395 | cx88_mpeg_irqs, ARRAY_SIZE(cx88_mpeg_irqs), |
| 396 | status, mask); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | |
| 398 | /* risc op code error */ |
| 399 | if (status & (1 << 16)) { |
| 400 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); |
| 401 | cx_clear(MO_TS_DMACNTRL, 0x11); |
| 402 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); |
| 403 | } |
| 404 | |
| 405 | /* risc1 y */ |
| 406 | if (status & 0x01) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 407 | dprintk( 1, "wake up\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 408 | spin_lock(&dev->slock); |
| 409 | count = cx_read(MO_TS_GPCNT); |
| 410 | cx88_wakeup(dev->core, &dev->mpegq, count); |
| 411 | spin_unlock(&dev->slock); |
| 412 | } |
| 413 | |
| 414 | /* risc2 y */ |
| 415 | if (status & 0x10) { |
| 416 | spin_lock(&dev->slock); |
| 417 | cx8802_restart_queue(dev,&dev->mpegq); |
| 418 | spin_unlock(&dev->slock); |
| 419 | } |
| 420 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 421 | /* other general errors */ |
| 422 | if (status & 0x1f0100) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 423 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 424 | spin_lock(&dev->slock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | cx8802_stop_dma(dev); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 426 | cx8802_restart_queue(dev,&dev->mpegq); |
| 427 | spin_unlock(&dev->slock); |
| 428 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | } |
| 430 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 431 | #define MAX_IRQ_LOOP 10 |
| 432 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 433 | static irqreturn_t cx8802_irq(int irq, void *dev_id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 434 | { |
| 435 | struct cx8802_dev *dev = dev_id; |
| 436 | struct cx88_core *core = dev->core; |
| 437 | u32 status; |
| 438 | int loop, handled = 0; |
| 439 | |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 440 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
Trent Piepho | 8ddac9e | 2007-08-18 06:57:55 -0300 | [diff] [blame] | 441 | status = cx_read(MO_PCI_INTSTAT) & |
| 442 | (core->pci_irqmask | PCI_INT_TSINT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 443 | if (0 == status) |
| 444 | goto out; |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 445 | dprintk( 1, "cx8802_irq\n" ); |
| 446 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); |
| 447 | dprintk( 1, " status: %d\n", status ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | handled = 1; |
| 449 | cx_write(MO_PCI_INTSTAT, status); |
| 450 | |
| 451 | if (status & core->pci_irqmask) |
| 452 | cx88_core_irq(core,status); |
Trent Piepho | 8ddac9e | 2007-08-18 06:57:55 -0300 | [diff] [blame] | 453 | if (status & PCI_INT_TSINT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 454 | cx8802_mpeg_irq(dev); |
Peter Senna Tschudin | c2c1b41 | 2012-09-28 05:37:22 -0300 | [diff] [blame] | 455 | } |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 456 | if (MAX_IRQ_LOOP == loop) { |
| 457 | dprintk( 0, "clearing mask\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 458 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
| 459 | core->name); |
| 460 | cx_write(MO_PCI_INTMSK,0); |
| 461 | } |
| 462 | |
| 463 | out: |
| 464 | return IRQ_RETVAL(handled); |
| 465 | } |
| 466 | |
Adrian Bunk | a2fbaa5 | 2007-11-05 14:07:22 -0300 | [diff] [blame] | 467 | static int cx8802_init_common(struct cx8802_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 468 | { |
| 469 | struct cx88_core *core = dev->core; |
| 470 | int err; |
| 471 | |
| 472 | /* pci init */ |
| 473 | if (pci_enable_device(dev->pci)) |
| 474 | return -EIO; |
| 475 | pci_set_master(dev->pci); |
Yang Hongyang | 284901a | 2009-04-06 19:01:15 -0700 | [diff] [blame] | 476 | if (!pci_dma_supported(dev->pci,DMA_BIT_MASK(32))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); |
| 478 | return -EIO; |
| 479 | } |
| 480 | |
Bjørn Mork | abd34d8 | 2011-03-21 11:35:56 -0300 | [diff] [blame] | 481 | dev->pci_rev = dev->pci->revision; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 482 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); |
| 483 | 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] | 484 | "latency: %d, mmio: 0x%llx\n", dev->core->name, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, |
Greg Kroah-Hartman | 228aef6 | 2006-06-12 15:16:52 -0700 | [diff] [blame] | 486 | dev->pci_lat,(unsigned long long)pci_resource_start(dev->pci,0)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | |
| 488 | /* initialize driver struct */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 489 | spin_lock_init(&dev->slock); |
| 490 | |
| 491 | /* init dma queue */ |
| 492 | INIT_LIST_HEAD(&dev->mpegq.active); |
| 493 | INIT_LIST_HEAD(&dev->mpegq.queued); |
| 494 | dev->mpegq.timeout.function = cx8802_timeout; |
| 495 | dev->mpegq.timeout.data = (unsigned long)dev; |
| 496 | init_timer(&dev->mpegq.timeout); |
| 497 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, |
| 498 | MO_TS_DMACNTRL,0x11,0x00); |
| 499 | |
| 500 | /* get irq */ |
| 501 | err = request_irq(dev->pci->irq, cx8802_irq, |
Thomas Gleixner | 8076fe3 | 2006-07-01 19:29:37 -0700 | [diff] [blame] | 502 | IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 503 | if (err < 0) { |
| 504 | printk(KERN_ERR "%s: can't get IRQ %d\n", |
| 505 | dev->core->name, dev->pci->irq); |
| 506 | return err; |
| 507 | } |
| 508 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); |
| 509 | |
| 510 | /* everything worked */ |
| 511 | pci_set_drvdata(dev->pci,dev); |
| 512 | return 0; |
| 513 | } |
| 514 | |
Adrian Bunk | a2fbaa5 | 2007-11-05 14:07:22 -0300 | [diff] [blame] | 515 | static void cx8802_fini_common(struct cx8802_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 516 | { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 517 | dprintk( 2, "cx8802_fini_common\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 518 | cx8802_stop_dma(dev); |
| 519 | pci_disable_device(dev->pci); |
| 520 | |
| 521 | /* unregister stuff */ |
| 522 | free_irq(dev->pci->irq, dev); |
| 523 | pci_set_drvdata(dev->pci, NULL); |
| 524 | |
| 525 | /* free memory */ |
| 526 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); |
| 527 | } |
| 528 | |
| 529 | /* ----------------------------------------------------------- */ |
| 530 | |
Adrian Bunk | a2fbaa5 | 2007-11-05 14:07:22 -0300 | [diff] [blame] | 531 | static int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 533 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 534 | struct cx88_core *core = dev->core; |
| 535 | |
| 536 | /* stop mpeg dma */ |
| 537 | spin_lock(&dev->slock); |
| 538 | if (!list_empty(&dev->mpegq.active)) { |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 539 | dprintk( 2, "suspend\n" ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | printk("%s: suspend mpeg\n", core->name); |
| 541 | cx8802_stop_dma(dev); |
| 542 | del_timer(&dev->mpegq.timeout); |
| 543 | } |
| 544 | spin_unlock(&dev->slock); |
| 545 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 546 | /* FIXME -- shutdown device */ |
| 547 | cx88_shutdown(dev->core); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 548 | |
| 549 | pci_save_state(pci_dev); |
| 550 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { |
| 551 | pci_disable_device(pci_dev); |
| 552 | dev->state.disabled = 1; |
| 553 | } |
| 554 | return 0; |
| 555 | } |
| 556 | |
Adrian Bunk | a2fbaa5 | 2007-11-05 14:07:22 -0300 | [diff] [blame] | 557 | static int cx8802_resume_common(struct pci_dev *pci_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 558 | { |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 559 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | struct cx88_core *core = dev->core; |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 561 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 562 | |
| 563 | if (dev->state.disabled) { |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 564 | err=pci_enable_device(pci_dev); |
| 565 | if (err) { |
| 566 | printk(KERN_ERR "%s: can't enable device\n", |
| 567 | dev->core->name); |
| 568 | return err; |
| 569 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 570 | dev->state.disabled = 0; |
| 571 | } |
Mauro Carvalho Chehab | 08adb9e | 2005-09-09 13:03:55 -0700 | [diff] [blame] | 572 | err=pci_set_power_state(pci_dev, PCI_D0); |
| 573 | if (err) { |
| 574 | printk(KERN_ERR "%s: can't enable device\n", |
| 575 | dev->core->name); |
| 576 | pci_disable_device(pci_dev); |
| 577 | dev->state.disabled = 1; |
| 578 | |
| 579 | return err; |
| 580 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | pci_restore_state(pci_dev); |
| 582 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 583 | /* FIXME: re-initialize hardware */ |
| 584 | cx88_reset(dev->core); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 585 | |
| 586 | /* restart video+vbi capture */ |
| 587 | spin_lock(&dev->slock); |
| 588 | if (!list_empty(&dev->mpegq.active)) { |
| 589 | printk("%s: resume mpeg\n", core->name); |
| 590 | cx8802_restart_queue(dev,&dev->mpegq); |
| 591 | } |
| 592 | spin_unlock(&dev->slock); |
| 593 | |
| 594 | return 0; |
| 595 | } |
| 596 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 597 | struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype) |
| 598 | { |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 599 | struct cx8802_driver *d; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 600 | |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 601 | list_for_each_entry(d, &dev->drvlist, drvlist) |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 602 | if (d->type_id == btype) |
| 603 | return d; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 604 | |
| 605 | return NULL; |
| 606 | } |
| 607 | |
| 608 | /* Driver asked for hardware access. */ |
Adrian Bunk | 9df2ead | 2007-05-01 08:35:10 -0300 | [diff] [blame] | 609 | static int cx8802_request_acquire(struct cx8802_driver *drv) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 610 | { |
| 611 | struct cx88_core *core = drv->core; |
Istvan Varga | d922b8e | 2010-03-27 09:47:45 -0300 | [diff] [blame] | 612 | unsigned int i; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 613 | |
| 614 | /* Fail a request for hardware if the device is busy. */ |
Roland Stoll | 27d0fe1 | 2008-02-11 13:00:34 -0300 | [diff] [blame] | 615 | if (core->active_type_id != CX88_BOARD_NONE && |
| 616 | core->active_type_id != drv->type_id) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 617 | return -EBUSY; |
| 618 | |
Devin Heitmueller | 243bf1a2 | 2011-07-14 12:44:46 -0300 | [diff] [blame] | 619 | if (drv->type_id == CX88_MPEG_DVB) { |
| 620 | /* When switching to DVB, always set the input to the tuner */ |
| 621 | core->last_analog_input = core->input; |
| 622 | core->input = 0; |
| 623 | for (i = 0; |
| 624 | i < (sizeof(core->board.input) / sizeof(struct cx88_input)); |
| 625 | i++) { |
| 626 | if (core->board.input[i].type == CX88_VMUX_DVB) { |
| 627 | core->input = i; |
| 628 | break; |
| 629 | } |
Istvan Varga | d922b8e | 2010-03-27 09:47:45 -0300 | [diff] [blame] | 630 | } |
| 631 | } |
Mauro Carvalho Chehab | c2cb8fc | 2008-04-22 14:45:14 -0300 | [diff] [blame] | 632 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 633 | if (drv->advise_acquire) |
| 634 | { |
Ricardo Cerqueira | baff6cd | 2008-02-13 22:41:15 -0300 | [diff] [blame] | 635 | core->active_ref++; |
Roland Stoll | 27d0fe1 | 2008-02-11 13:00:34 -0300 | [diff] [blame] | 636 | if (core->active_type_id == CX88_BOARD_NONE) { |
| 637 | core->active_type_id = drv->type_id; |
| 638 | drv->advise_acquire(drv); |
| 639 | } |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 640 | |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 641 | mpeg_dbg(1,"%s() Post acquire GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 642 | } |
| 643 | |
| 644 | return 0; |
| 645 | } |
| 646 | |
| 647 | /* Driver asked to release hardware. */ |
Adrian Bunk | 9df2ead | 2007-05-01 08:35:10 -0300 | [diff] [blame] | 648 | static int cx8802_request_release(struct cx8802_driver *drv) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 649 | { |
| 650 | struct cx88_core *core = drv->core; |
| 651 | |
Roland Stoll | 27d0fe1 | 2008-02-11 13:00:34 -0300 | [diff] [blame] | 652 | if (drv->advise_release && --core->active_ref == 0) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 653 | { |
Devin Heitmueller | 243bf1a2 | 2011-07-14 12:44:46 -0300 | [diff] [blame] | 654 | if (drv->type_id == CX88_MPEG_DVB) { |
| 655 | /* If the DVB driver is releasing, reset the input |
| 656 | state to the last configured analog input */ |
| 657 | core->input = core->last_analog_input; |
| 658 | } |
| 659 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 660 | drv->advise_release(drv); |
| 661 | core->active_type_id = CX88_BOARD_NONE; |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 662 | mpeg_dbg(1,"%s() Post release GPIO=%x\n", __func__, cx_read(MO_GP0_IO)); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 663 | } |
| 664 | |
| 665 | return 0; |
| 666 | } |
| 667 | |
| 668 | static int cx8802_check_driver(struct cx8802_driver *drv) |
| 669 | { |
| 670 | if (drv == NULL) |
| 671 | return -ENODEV; |
| 672 | |
| 673 | if ((drv->type_id != CX88_MPEG_DVB) && |
| 674 | (drv->type_id != CX88_MPEG_BLACKBIRD)) |
| 675 | return -EINVAL; |
| 676 | |
| 677 | if ((drv->hw_access != CX8802_DRVCTL_SHARED) && |
| 678 | (drv->hw_access != CX8802_DRVCTL_EXCLUSIVE)) |
| 679 | return -EINVAL; |
| 680 | |
| 681 | if ((drv->probe == NULL) || |
| 682 | (drv->remove == NULL) || |
| 683 | (drv->advise_acquire == NULL) || |
| 684 | (drv->advise_release == NULL)) |
| 685 | return -EINVAL; |
| 686 | |
| 687 | return 0; |
| 688 | } |
| 689 | |
| 690 | int cx8802_register_driver(struct cx8802_driver *drv) |
| 691 | { |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 692 | struct cx8802_dev *dev; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 693 | struct cx8802_driver *driver; |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 694 | int err, i = 0; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 695 | |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 696 | printk(KERN_INFO |
| 697 | "cx88/2: registering cx8802 driver, type: %s access: %s\n", |
| 698 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", |
| 699 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 700 | |
| 701 | if ((err = cx8802_check_driver(drv)) != 0) { |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 702 | printk(KERN_ERR "cx88/2: cx8802_driver is invalid\n"); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 703 | return err; |
| 704 | } |
| 705 | |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 706 | mutex_lock(&cx8802_mutex); |
| 707 | |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 708 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 709 | printk(KERN_INFO |
| 710 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 711 | dev->core->name, dev->pci->subsystem_vendor, |
| 712 | dev->pci->subsystem_device, dev->core->board.name, |
| 713 | dev->core->boardnr); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 714 | |
| 715 | /* Bring up a new struct for each driver instance */ |
| 716 | driver = kzalloc(sizeof(*drv),GFP_KERNEL); |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 717 | if (driver == NULL) { |
| 718 | err = -ENOMEM; |
| 719 | goto out; |
| 720 | } |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 721 | |
| 722 | /* Snapshot of the driver registration data */ |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 723 | drv->core = dev->core; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 724 | drv->suspend = cx8802_suspend_common; |
| 725 | drv->resume = cx8802_resume_common; |
| 726 | drv->request_acquire = cx8802_request_acquire; |
| 727 | drv->request_release = cx8802_request_release; |
| 728 | memcpy(driver, drv, sizeof(*driver)); |
| 729 | |
Jonathan Nieder | 1d6213a | 2011-05-01 06:29:56 -0300 | [diff] [blame] | 730 | mutex_lock(&drv->core->lock); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 731 | err = drv->probe(driver); |
| 732 | if (err == 0) { |
Steven Toth | 019391e4 | 2006-10-06 21:29:25 -0300 | [diff] [blame] | 733 | i++; |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 734 | list_add_tail(&driver->drvlist, &dev->drvlist); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 735 | } else { |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 736 | printk(KERN_ERR |
| 737 | "%s/2: cx8802 probe failed, err = %d\n", |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 738 | dev->core->name, err); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 739 | } |
Jonathan Nieder | 1d6213a | 2011-05-01 06:29:56 -0300 | [diff] [blame] | 740 | mutex_unlock(&drv->core->lock); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 741 | } |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 742 | |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 743 | err = i ? 0 : -ENODEV; |
| 744 | out: |
| 745 | mutex_unlock(&cx8802_mutex); |
| 746 | return err; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 747 | } |
| 748 | |
| 749 | int cx8802_unregister_driver(struct cx8802_driver *drv) |
| 750 | { |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 751 | struct cx8802_dev *dev; |
| 752 | struct cx8802_driver *d, *dtmp; |
| 753 | int err = 0; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 754 | |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 755 | printk(KERN_INFO |
| 756 | "cx88/2: unregistering cx8802 driver, type: %s access: %s\n", |
| 757 | drv->type_id == CX88_MPEG_DVB ? "dvb" : "blackbird", |
| 758 | drv->hw_access == CX8802_DRVCTL_SHARED ? "shared" : "exclusive"); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 759 | |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 760 | mutex_lock(&cx8802_mutex); |
| 761 | |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 762 | list_for_each_entry(dev, &cx8802_devlist, devlist) { |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 763 | printk(KERN_INFO |
| 764 | "%s/2: subsystem: %04x:%04x, board: %s [card=%d]\n", |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 765 | dev->core->name, dev->pci->subsystem_vendor, |
| 766 | dev->pci->subsystem_device, dev->core->board.name, |
| 767 | dev->core->boardnr); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 768 | |
Jonathan Nieder | 8a317a8 | 2011-05-01 06:29:16 -0300 | [diff] [blame] | 769 | mutex_lock(&dev->core->lock); |
| 770 | |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 771 | list_for_each_entry_safe(d, dtmp, &dev->drvlist, drvlist) { |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 772 | /* only unregister the correct driver type */ |
| 773 | if (d->type_id != drv->type_id) |
| 774 | continue; |
| 775 | |
| 776 | err = d->remove(d); |
| 777 | if (err == 0) { |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 778 | list_del(&d->drvlist); |
Trent Piepho | a04036a | 2007-10-05 11:28:09 -0300 | [diff] [blame] | 779 | kfree(d); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 780 | } else |
Trent Piepho | 5772f81 | 2007-08-15 14:41:59 -0300 | [diff] [blame] | 781 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 782 | "failed (%d)\n", dev->core->name, err); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 783 | } |
| 784 | |
Jonathan Nieder | 8a317a8 | 2011-05-01 06:29:16 -0300 | [diff] [blame] | 785 | mutex_unlock(&dev->core->lock); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 786 | } |
| 787 | |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 788 | mutex_unlock(&cx8802_mutex); |
| 789 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 790 | return err; |
| 791 | } |
| 792 | |
| 793 | /* ----------------------------------------------------------- */ |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame^] | 794 | static int cx8802_probe(struct pci_dev *pci_dev, |
| 795 | const struct pci_device_id *pci_id) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 796 | { |
| 797 | struct cx8802_dev *dev; |
| 798 | struct cx88_core *core; |
Darron Broad | 9212a57 | 2008-10-21 10:42:00 -0300 | [diff] [blame] | 799 | int err; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 800 | |
| 801 | /* general setup */ |
| 802 | core = cx88_core_get(pci_dev); |
| 803 | if (NULL == core) |
| 804 | return -EINVAL; |
| 805 | |
| 806 | printk("%s/2: cx2388x 8802 Driver Manager\n", core->name); |
| 807 | |
| 808 | err = -ENODEV; |
Trent Piepho | 6a59d64 | 2007-08-15 14:41:57 -0300 | [diff] [blame] | 809 | if (!core->board.mpeg) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 810 | goto fail_core; |
| 811 | |
| 812 | err = -ENOMEM; |
| 813 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); |
| 814 | if (NULL == dev) |
| 815 | goto fail_core; |
| 816 | dev->pci = pci_dev; |
| 817 | dev->core = core; |
| 818 | |
Mauro Carvalho Chehab | e32fadc | 2009-01-06 16:06:07 -0300 | [diff] [blame] | 819 | /* Maintain a reference so cx88-video can query the 8802 device. */ |
| 820 | core->dvbdev = dev; |
| 821 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 822 | err = cx8802_init_common(dev); |
| 823 | if (err != 0) |
| 824 | goto fail_free; |
| 825 | |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 826 | INIT_LIST_HEAD(&dev->drvlist); |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 827 | mutex_lock(&cx8802_mutex); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 828 | list_add_tail(&dev->devlist,&cx8802_devlist); |
Jonathan Nieder | 344d6c6 | 2011-05-01 06:30:14 -0300 | [diff] [blame] | 829 | mutex_unlock(&cx8802_mutex); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 830 | |
Markus Rechberger | 77b7477 | 2007-04-27 12:31:06 -0300 | [diff] [blame] | 831 | /* now autoload cx88-dvb or cx88-blackbird */ |
| 832 | request_modules(dev); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 833 | return 0; |
| 834 | |
| 835 | fail_free: |
| 836 | kfree(dev); |
| 837 | fail_core: |
Mauro Carvalho Chehab | e32fadc | 2009-01-06 16:06:07 -0300 | [diff] [blame] | 838 | core->dvbdev = NULL; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 839 | cx88_core_put(core,pci_dev); |
| 840 | return err; |
| 841 | } |
| 842 | |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame^] | 843 | static void cx8802_remove(struct pci_dev *pci_dev) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 844 | { |
| 845 | struct cx8802_dev *dev; |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 846 | |
| 847 | dev = pci_get_drvdata(pci_dev); |
| 848 | |
Harvey Harrison | 32d83ef | 2008-04-08 23:20:00 -0300 | [diff] [blame] | 849 | dprintk( 1, "%s\n", __func__); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 850 | |
Tejun Heo | 707bcf3 | 2010-12-24 16:14:20 +0100 | [diff] [blame] | 851 | flush_request_modules(dev); |
| 852 | |
Jonathan Nieder | 8a317a8 | 2011-05-01 06:29:16 -0300 | [diff] [blame] | 853 | mutex_lock(&dev->core->lock); |
| 854 | |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 855 | if (!list_empty(&dev->drvlist)) { |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 856 | struct cx8802_driver *drv, *tmp; |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 857 | int err; |
| 858 | |
| 859 | printk(KERN_WARNING "%s/2: Trying to remove cx8802 driver " |
| 860 | "while cx8802 sub-drivers still loaded?!\n", |
| 861 | dev->core->name); |
| 862 | |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 863 | list_for_each_entry_safe(drv, tmp, &dev->drvlist, drvlist) { |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 864 | err = drv->remove(drv); |
| 865 | if (err == 0) { |
Trent Piepho | 89a4794 | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 866 | list_del(&drv->drvlist); |
Trent Piepho | 081c2fc | 2007-10-14 02:52:17 -0300 | [diff] [blame] | 867 | } else |
| 868 | printk(KERN_ERR "%s/2: cx8802 driver remove " |
| 869 | "failed (%d)\n", dev->core->name, err); |
Trent Piepho | a04036a | 2007-10-05 11:28:09 -0300 | [diff] [blame] | 870 | kfree(drv); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 871 | } |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 872 | } |
| 873 | |
Jonathan Nieder | 8a317a8 | 2011-05-01 06:29:16 -0300 | [diff] [blame] | 874 | mutex_unlock(&dev->core->lock); |
| 875 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 876 | /* Destroy any 8802 reference. */ |
| 877 | dev->core->dvbdev = NULL; |
| 878 | |
| 879 | /* common */ |
| 880 | cx8802_fini_common(dev); |
| 881 | cx88_core_put(dev->core,dev->pci); |
| 882 | kfree(dev); |
| 883 | } |
| 884 | |
lawrence rust | 2e4e98e | 2010-08-25 09:50:20 -0300 | [diff] [blame] | 885 | static const struct pci_device_id cx8802_pci_tbl[] = { |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 886 | { |
| 887 | .vendor = 0x14f1, |
| 888 | .device = 0x8802, |
| 889 | .subvendor = PCI_ANY_ID, |
| 890 | .subdevice = PCI_ANY_ID, |
| 891 | },{ |
| 892 | /* --- end of list --- */ |
| 893 | } |
| 894 | }; |
| 895 | MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl); |
| 896 | |
| 897 | static struct pci_driver cx8802_pci_driver = { |
| 898 | .name = "cx88-mpeg driver manager", |
| 899 | .id_table = cx8802_pci_tbl, |
| 900 | .probe = cx8802_probe, |
Greg Kroah-Hartman | 4c62e97 | 2012-12-21 13:17:53 -0800 | [diff] [blame^] | 901 | .remove = cx8802_remove, |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 902 | }; |
| 903 | |
Peter Huewe | 31d0f84 | 2009-07-17 01:00:01 +0200 | [diff] [blame] | 904 | static int __init cx8802_init(void) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 905 | { |
Mauro Carvalho Chehab | 1990d50 | 2011-06-24 14:45:49 -0300 | [diff] [blame] | 906 | printk(KERN_INFO "cx88/2: cx2388x MPEG-TS Driver Manager version %s loaded\n", |
| 907 | CX88_VERSION); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 908 | return pci_register_driver(&cx8802_pci_driver); |
| 909 | } |
| 910 | |
Peter Huewe | 31d0f84 | 2009-07-17 01:00:01 +0200 | [diff] [blame] | 911 | static void __exit cx8802_fini(void) |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 912 | { |
| 913 | pci_unregister_driver(&cx8802_pci_driver); |
| 914 | } |
| 915 | |
| 916 | module_init(cx8802_init); |
| 917 | module_exit(cx8802_fini); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 918 | EXPORT_SYMBOL(cx8802_buf_prepare); |
| 919 | EXPORT_SYMBOL(cx8802_buf_queue); |
| 920 | EXPORT_SYMBOL(cx8802_cancel_buffers); |
| 921 | |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 922 | EXPORT_SYMBOL(cx8802_register_driver); |
| 923 | EXPORT_SYMBOL(cx8802_unregister_driver); |
Steven Toth | 6c5be74 | 2006-12-02 21:15:51 -0200 | [diff] [blame] | 924 | EXPORT_SYMBOL(cx8802_get_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 925 | /* ----------------------------------------------------------- */ |
| 926 | /* |
| 927 | * Local variables: |
| 928 | * c-basic-offset: 8 |
| 929 | * End: |
Mauro Carvalho Chehab | b45009b | 2005-06-23 22:05:03 -0700 | [diff] [blame] | 930 | * 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] | 931 | */ |