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 | * device driver for philips saa7134 based TV cards |
| 4 | * oss dsp interface |
| 5 | * |
| 6 | * (c) 2001,02 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 7 | * 2005 conversion to standalone module: |
| 8 | * Ricardo Cerqueira <v4l@cerqueira.org> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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/init.h> |
| 26 | #include <linux/list.h> |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/moduleparam.h> |
| 29 | #include <linux/kernel.h> |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 30 | #include <linux/interrupt.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #include <linux/slab.h> |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 32 | #include <linux/sound.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | #include <linux/soundcard.h> |
| 34 | |
| 35 | #include "saa7134-reg.h" |
| 36 | #include "saa7134.h" |
| 37 | |
| 38 | /* ------------------------------------------------------------------ */ |
| 39 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 40 | static unsigned int debug = 0; |
| 41 | module_param(debug, int, 0644); |
| 42 | MODULE_PARM_DESC(debug,"enable debug messages [oss]"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 43 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 44 | static unsigned int rate = 0; |
| 45 | module_param(rate, int, 0444); |
| 46 | MODULE_PARM_DESC(rate,"sample rate (valid are: 32000,48000)"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 48 | static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |
| 49 | MODULE_PARM_DESC(dsp_nr, "device numbers for SAA7134 capture interface(s)."); |
| 50 | module_param_array(dsp_nr, int, NULL, 0444); |
| 51 | |
| 52 | static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |
| 53 | MODULE_PARM_DESC(mixer_nr, "mixer numbers for SAA7134 capture interface(s)."); |
| 54 | module_param_array(mixer_nr, int, NULL, 0444); |
| 55 | |
| 56 | #define dprintk(fmt, arg...) if (debug) \ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | printk(KERN_DEBUG "%s/oss: " fmt, dev->name , ## arg) |
| 58 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | /* ------------------------------------------------------------------ */ |
| 61 | |
| 62 | static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) |
| 63 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | if (blksize < 0x100) |
| 65 | blksize = 0x100; |
| 66 | if (blksize > 0x10000) |
| 67 | blksize = 0x10000; |
| 68 | |
| 69 | if (blocks < 2) |
| 70 | blocks = 2; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | if ((blksize * blocks) > 1024*1024) |
| 72 | blocks = 1024*1024 / blksize; |
| 73 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 74 | dev->dmasound.blocks = blocks; |
| 75 | dev->dmasound.blksize = blksize; |
| 76 | dev->dmasound.bufsize = blksize * blocks; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 77 | |
| 78 | dprintk("buffer config: %d blocks / %d bytes, %d kB total\n", |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 79 | blocks,blksize,blksize * blocks / 1024); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 80 | return 0; |
| 81 | } |
| 82 | |
| 83 | static int dsp_buffer_init(struct saa7134_dev *dev) |
| 84 | { |
| 85 | int err; |
| 86 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 87 | if (!dev->dmasound.bufsize) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | BUG(); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 89 | videobuf_dma_init(&dev->dmasound.dma); |
| 90 | err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE, |
| 91 | (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 92 | if (0 != err) |
| 93 | return err; |
| 94 | return 0; |
| 95 | } |
| 96 | |
| 97 | static int dsp_buffer_free(struct saa7134_dev *dev) |
| 98 | { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 99 | if (!dev->dmasound.blksize) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | BUG(); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 101 | videobuf_dma_free(&dev->dmasound.dma); |
| 102 | dev->dmasound.blocks = 0; |
| 103 | dev->dmasound.blksize = 0; |
| 104 | dev->dmasound.bufsize = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | return 0; |
| 106 | } |
| 107 | |
| 108 | static void dsp_dma_start(struct saa7134_dev *dev) |
| 109 | { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 110 | dev->dmasound.dma_blk = 0; |
| 111 | dev->dmasound.dma_running = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | saa7134_set_dmabits(dev); |
| 113 | } |
| 114 | |
| 115 | static void dsp_dma_stop(struct saa7134_dev *dev) |
| 116 | { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 117 | dev->dmasound.dma_blk = -1; |
| 118 | dev->dmasound.dma_running = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | saa7134_set_dmabits(dev); |
| 120 | } |
| 121 | |
| 122 | static int dsp_rec_start(struct saa7134_dev *dev) |
| 123 | { |
| 124 | int err, bswap, sign; |
| 125 | u32 fmt, control; |
| 126 | unsigned long flags; |
| 127 | |
| 128 | /* prepare buffer */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 129 | if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->dmasound.dma))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | return err; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 131 | if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | goto fail1; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 133 | if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt, |
| 134 | dev->dmasound.dma.sglist, |
| 135 | dev->dmasound.dma.sglen, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | 0))) |
| 137 | goto fail2; |
| 138 | |
| 139 | /* sample format */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 140 | switch (dev->dmasound.afmt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | case AFMT_U8: |
| 142 | case AFMT_S8: fmt = 0x00; break; |
| 143 | case AFMT_U16_LE: |
| 144 | case AFMT_U16_BE: |
| 145 | case AFMT_S16_LE: |
| 146 | case AFMT_S16_BE: fmt = 0x01; break; |
| 147 | default: |
| 148 | err = -EINVAL; |
| 149 | goto fail2; |
| 150 | } |
| 151 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 152 | switch (dev->dmasound.afmt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | case AFMT_S8: |
| 154 | case AFMT_S16_LE: |
| 155 | case AFMT_S16_BE: sign = 1; break; |
| 156 | default: sign = 0; break; |
| 157 | } |
| 158 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 159 | switch (dev->dmasound.afmt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | case AFMT_U16_BE: |
| 161 | case AFMT_S16_BE: bswap = 1; break; |
| 162 | default: bswap = 0; break; |
| 163 | } |
| 164 | |
| 165 | switch (dev->pci->device) { |
| 166 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 167 | if (1 == dev->dmasound.channels) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | fmt |= (1 << 3); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 169 | if (2 == dev->dmasound.channels) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | fmt |= (3 << 3); |
| 171 | if (sign) |
| 172 | fmt |= 0x04; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 173 | fmt |= (TV == dev->dmasound.input) ? 0xc0 : 0x80; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 175 | saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff)); |
| 176 | saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >> 8); |
| 177 | saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 178 | saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); |
Mauro Carvalho Chehab | ac19ecc | 2005-06-23 22:05:09 -0700 | [diff] [blame] | 179 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | break; |
| 181 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 182 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 183 | if (1 == dev->dmasound.channels) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 184 | fmt |= (1 << 4); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 185 | if (2 == dev->dmasound.channels) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | fmt |= (2 << 4); |
| 187 | if (!sign) |
| 188 | fmt |= 0x04; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 189 | saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -4); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 190 | saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | break; |
| 192 | } |
| 193 | dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 194 | dev->dmasound.afmt, dev->dmasound.channels, fmt, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 195 | bswap ? 'b' : '-'); |
| 196 | |
| 197 | /* dma: setup channel 6 (= AUDIO) */ |
| 198 | control = SAA7134_RS_CONTROL_BURST_16 | |
| 199 | SAA7134_RS_CONTROL_ME | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 200 | (dev->dmasound.pt.dma >> 12); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 201 | if (bswap) |
| 202 | control |= SAA7134_RS_CONTROL_BSWAP; |
| 203 | saa_writel(SAA7134_RS_BA1(6),0); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 204 | saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | saa_writel(SAA7134_RS_PITCH(6),0); |
| 206 | saa_writel(SAA7134_RS_CONTROL(6),control); |
| 207 | |
| 208 | /* start dma */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 209 | dev->dmasound.recording_on = 1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | spin_lock_irqsave(&dev->slock,flags); |
| 211 | dsp_dma_start(dev); |
| 212 | spin_unlock_irqrestore(&dev->slock,flags); |
| 213 | return 0; |
| 214 | |
| 215 | fail2: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 216 | saa7134_pgtable_free(dev->pci,&dev->dmasound.pt); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | fail1: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 218 | videobuf_dma_pci_unmap(dev->pci,&dev->dmasound.dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | return err; |
| 220 | } |
| 221 | |
| 222 | static int dsp_rec_stop(struct saa7134_dev *dev) |
| 223 | { |
| 224 | unsigned long flags; |
| 225 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 226 | dprintk("rec_stop dma_blk=%d\n",dev->dmasound.dma_blk); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 227 | |
| 228 | /* stop dma */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 229 | dev->dmasound.recording_on = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | spin_lock_irqsave(&dev->slock,flags); |
| 231 | dsp_dma_stop(dev); |
| 232 | spin_unlock_irqrestore(&dev->slock,flags); |
| 233 | |
| 234 | /* unlock buffer */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 235 | saa7134_pgtable_free(dev->pci,&dev->dmasound.pt); |
| 236 | videobuf_dma_pci_unmap(dev->pci,&dev->dmasound.dma); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | return 0; |
| 238 | } |
| 239 | |
| 240 | /* ------------------------------------------------------------------ */ |
| 241 | |
| 242 | static int dsp_open(struct inode *inode, struct file *file) |
| 243 | { |
| 244 | int minor = iminor(inode); |
| 245 | struct saa7134_dev *h,*dev = NULL; |
| 246 | struct list_head *list; |
| 247 | int err; |
| 248 | |
| 249 | list_for_each(list,&saa7134_devlist) { |
| 250 | h = list_entry(list, struct saa7134_dev, devlist); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 251 | if (h->dmasound.minor_dsp == minor) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 252 | dev = h; |
| 253 | } |
| 254 | if (NULL == dev) |
| 255 | return -ENODEV; |
| 256 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 257 | down(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | err = -EBUSY; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 259 | if (dev->dmasound.users_dsp) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | goto fail1; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 261 | dev->dmasound.users_dsp++; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | file->private_data = dev; |
| 263 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 264 | dev->dmasound.afmt = AFMT_U8; |
| 265 | dev->dmasound.channels = 1; |
| 266 | dev->dmasound.read_count = 0; |
| 267 | dev->dmasound.read_offset = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | dsp_buffer_conf(dev,PAGE_SIZE,64); |
| 269 | err = dsp_buffer_init(dev); |
| 270 | if (0 != err) |
| 271 | goto fail2; |
| 272 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 273 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | return 0; |
| 275 | |
| 276 | fail2: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 277 | dev->dmasound.users_dsp--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | fail1: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 279 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 280 | return err; |
| 281 | } |
| 282 | |
| 283 | static int dsp_release(struct inode *inode, struct file *file) |
| 284 | { |
| 285 | struct saa7134_dev *dev = file->private_data; |
| 286 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 287 | down(&dev->dmasound.lock); |
| 288 | if (dev->dmasound.recording_on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 289 | dsp_rec_stop(dev); |
| 290 | dsp_buffer_free(dev); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 291 | dev->dmasound.users_dsp--; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | file->private_data = NULL; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 293 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 294 | return 0; |
| 295 | } |
| 296 | |
| 297 | static ssize_t dsp_read(struct file *file, char __user *buffer, |
| 298 | size_t count, loff_t *ppos) |
| 299 | { |
| 300 | struct saa7134_dev *dev = file->private_data; |
| 301 | DECLARE_WAITQUEUE(wait, current); |
| 302 | unsigned int bytes; |
| 303 | unsigned long flags; |
| 304 | int err,ret = 0; |
| 305 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 306 | add_wait_queue(&dev->dmasound.wq, &wait); |
| 307 | down(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | while (count > 0) { |
| 309 | /* wait for data if needed */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 310 | if (0 == dev->dmasound.read_count) { |
| 311 | if (!dev->dmasound.recording_on) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 312 | err = dsp_rec_start(dev); |
| 313 | if (err < 0) { |
| 314 | if (0 == ret) |
| 315 | ret = err; |
| 316 | break; |
| 317 | } |
| 318 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 319 | if (dev->dmasound.recording_on && |
| 320 | !dev->dmasound.dma_running) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 321 | /* recover from overruns */ |
| 322 | spin_lock_irqsave(&dev->slock,flags); |
| 323 | dsp_dma_start(dev); |
| 324 | spin_unlock_irqrestore(&dev->slock,flags); |
| 325 | } |
| 326 | if (file->f_flags & O_NONBLOCK) { |
| 327 | if (0 == ret) |
| 328 | ret = -EAGAIN; |
| 329 | break; |
| 330 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 331 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | set_current_state(TASK_INTERRUPTIBLE); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 333 | if (0 == dev->dmasound.read_count) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | schedule(); |
| 335 | set_current_state(TASK_RUNNING); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 336 | down(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | if (signal_pending(current)) { |
| 338 | if (0 == ret) |
| 339 | ret = -EINTR; |
| 340 | break; |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | /* copy data to userspace */ |
| 345 | bytes = count; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 346 | if (bytes > dev->dmasound.read_count) |
| 347 | bytes = dev->dmasound.read_count; |
| 348 | if (bytes > dev->dmasound.bufsize - dev->dmasound.read_offset) |
| 349 | bytes = dev->dmasound.bufsize - dev->dmasound.read_offset; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | if (copy_to_user(buffer + ret, |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 351 | dev->dmasound.dma.vmalloc + dev->dmasound.read_offset, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | bytes)) { |
| 353 | if (0 == ret) |
| 354 | ret = -EFAULT; |
| 355 | break; |
| 356 | } |
| 357 | |
| 358 | ret += bytes; |
| 359 | count -= bytes; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 360 | dev->dmasound.read_count -= bytes; |
| 361 | dev->dmasound.read_offset += bytes; |
| 362 | if (dev->dmasound.read_offset == dev->dmasound.bufsize) |
| 363 | dev->dmasound.read_offset = 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 364 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 365 | up(&dev->dmasound.lock); |
| 366 | remove_wait_queue(&dev->dmasound.wq, &wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | return ret; |
| 368 | } |
| 369 | |
| 370 | static ssize_t dsp_write(struct file *file, const char __user *buffer, |
| 371 | size_t count, loff_t *ppos) |
| 372 | { |
| 373 | return -EINVAL; |
| 374 | } |
| 375 | |
| 376 | static int dsp_ioctl(struct inode *inode, struct file *file, |
| 377 | unsigned int cmd, unsigned long arg) |
| 378 | { |
| 379 | struct saa7134_dev *dev = file->private_data; |
| 380 | void __user *argp = (void __user *) arg; |
| 381 | int __user *p = argp; |
| 382 | int val = 0; |
| 383 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 384 | if (debug > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 385 | saa7134_print_ioctl(dev->name,cmd); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 386 | switch (cmd) { |
| 387 | case OSS_GETVERSION: |
| 388 | return put_user(SOUND_VERSION, p); |
| 389 | case SNDCTL_DSP_GETCAPS: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 390 | return 0; |
| 391 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 392 | case SNDCTL_DSP_SPEED: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 393 | if (get_user(val, p)) |
| 394 | return -EFAULT; |
| 395 | /* fall through */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 396 | case SOUND_PCM_READ_RATE: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 397 | return put_user(dev->dmasound.rate, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 399 | case SNDCTL_DSP_STEREO: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | if (get_user(val, p)) |
| 401 | return -EFAULT; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 402 | down(&dev->dmasound.lock); |
| 403 | dev->dmasound.channels = val ? 2 : 1; |
| 404 | if (dev->dmasound.recording_on) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | dsp_rec_stop(dev); |
| 406 | dsp_rec_start(dev); |
| 407 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 408 | up(&dev->dmasound.lock); |
| 409 | return put_user(dev->dmasound.channels-1, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 411 | case SNDCTL_DSP_CHANNELS: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 412 | if (get_user(val, p)) |
| 413 | return -EFAULT; |
| 414 | if (val != 1 && val != 2) |
| 415 | return -EINVAL; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 416 | down(&dev->dmasound.lock); |
| 417 | dev->dmasound.channels = val; |
| 418 | if (dev->dmasound.recording_on) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | dsp_rec_stop(dev); |
| 420 | dsp_rec_start(dev); |
| 421 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 422 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 423 | /* fall through */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 424 | case SOUND_PCM_READ_CHANNELS: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 425 | return put_user(dev->dmasound.channels, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 426 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 427 | case SNDCTL_DSP_GETFMTS: /* Returns a mask */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | return put_user(AFMT_U8 | AFMT_S8 | |
| 429 | AFMT_U16_LE | AFMT_U16_BE | |
| 430 | AFMT_S16_LE | AFMT_S16_BE, p); |
| 431 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 432 | case SNDCTL_DSP_SETFMT: /* Selects ONE fmt */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 433 | if (get_user(val, p)) |
| 434 | return -EFAULT; |
| 435 | switch (val) { |
| 436 | case AFMT_QUERY: |
| 437 | /* nothing to do */ |
| 438 | break; |
| 439 | case AFMT_U8: |
| 440 | case AFMT_S8: |
| 441 | case AFMT_U16_LE: |
| 442 | case AFMT_U16_BE: |
| 443 | case AFMT_S16_LE: |
| 444 | case AFMT_S16_BE: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 445 | down(&dev->dmasound.lock); |
| 446 | dev->dmasound.afmt = val; |
| 447 | if (dev->dmasound.recording_on) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 448 | dsp_rec_stop(dev); |
| 449 | dsp_rec_start(dev); |
| 450 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 451 | up(&dev->dmasound.lock); |
| 452 | return put_user(dev->dmasound.afmt, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | default: |
| 454 | return -EINVAL; |
| 455 | } |
| 456 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 457 | case SOUND_PCM_READ_BITS: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 458 | switch (dev->dmasound.afmt) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | case AFMT_U8: |
| 460 | case AFMT_S8: |
| 461 | return put_user(8, p); |
| 462 | case AFMT_U16_LE: |
| 463 | case AFMT_U16_BE: |
| 464 | case AFMT_S16_LE: |
| 465 | case AFMT_S16_BE: |
| 466 | return put_user(16, p); |
| 467 | default: |
| 468 | return -EINVAL; |
| 469 | } |
| 470 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 471 | case SNDCTL_DSP_NONBLOCK: |
| 472 | file->f_flags |= O_NONBLOCK; |
| 473 | return 0; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 474 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 475 | case SNDCTL_DSP_RESET: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 476 | down(&dev->dmasound.lock); |
| 477 | if (dev->dmasound.recording_on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 478 | dsp_rec_stop(dev); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 479 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 480 | return 0; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 481 | case SNDCTL_DSP_GETBLKSIZE: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 482 | return put_user(dev->dmasound.blksize, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 483 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 484 | case SNDCTL_DSP_SETFRAGMENT: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 485 | if (get_user(val, p)) |
| 486 | return -EFAULT; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 487 | if (dev->dmasound.recording_on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 488 | return -EBUSY; |
| 489 | dsp_buffer_free(dev); |
| 490 | /* used to be arg >> 16 instead of val >> 16; fixed */ |
| 491 | dsp_buffer_conf(dev,1 << (val & 0xffff), (val >> 16) & 0xffff); |
| 492 | dsp_buffer_init(dev); |
| 493 | return 0; |
| 494 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 495 | case SNDCTL_DSP_SYNC: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 496 | /* NOP */ |
| 497 | return 0; |
| 498 | |
| 499 | case SNDCTL_DSP_GETISPACE: |
| 500 | { |
| 501 | audio_buf_info info; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 502 | info.fragsize = dev->dmasound.blksize; |
| 503 | info.fragstotal = dev->dmasound.blocks; |
| 504 | info.bytes = dev->dmasound.read_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | info.fragments = info.bytes / info.fragsize; |
| 506 | if (copy_to_user(argp, &info, sizeof(info))) |
| 507 | return -EFAULT; |
| 508 | return 0; |
| 509 | } |
| 510 | default: |
| 511 | return -EINVAL; |
| 512 | } |
| 513 | } |
| 514 | |
| 515 | static unsigned int dsp_poll(struct file *file, struct poll_table_struct *wait) |
| 516 | { |
| 517 | struct saa7134_dev *dev = file->private_data; |
| 518 | unsigned int mask = 0; |
| 519 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 520 | poll_wait(file, &dev->dmasound.wq, wait); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 521 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 522 | if (0 == dev->dmasound.read_count) { |
| 523 | down(&dev->dmasound.lock); |
| 524 | if (!dev->dmasound.recording_on) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 525 | dsp_rec_start(dev); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 526 | up(&dev->dmasound.lock); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 527 | } else |
| 528 | mask |= (POLLIN | POLLRDNORM); |
| 529 | return mask; |
| 530 | } |
| 531 | |
| 532 | struct file_operations saa7134_dsp_fops = { |
| 533 | .owner = THIS_MODULE, |
| 534 | .open = dsp_open, |
| 535 | .release = dsp_release, |
| 536 | .read = dsp_read, |
| 537 | .write = dsp_write, |
| 538 | .ioctl = dsp_ioctl, |
| 539 | .poll = dsp_poll, |
| 540 | .llseek = no_llseek, |
| 541 | }; |
| 542 | |
| 543 | /* ------------------------------------------------------------------ */ |
| 544 | |
| 545 | static int |
| 546 | mixer_recsrc_7134(struct saa7134_dev *dev) |
| 547 | { |
| 548 | int analog_io,rate; |
| 549 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 550 | switch (dev->dmasound.input) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 551 | case TV: |
| 552 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); |
| 553 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); |
| 554 | break; |
| 555 | case LINE1: |
| 556 | case LINE2: |
| 557 | case LINE2_LEFT: |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 558 | analog_io = (LINE1 == dev->dmasound.input) ? 0x00 : 0x08; |
| 559 | rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 560 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); |
| 561 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); |
| 562 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); |
| 563 | break; |
| 564 | } |
| 565 | return 0; |
| 566 | } |
| 567 | |
| 568 | static int |
| 569 | mixer_recsrc_7133(struct saa7134_dev *dev) |
| 570 | { |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 571 | u32 anabar, xbarin; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 573 | xbarin = 0x03; // adc |
| 574 | anabar = 0; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 575 | switch (dev->dmasound.input) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 576 | case TV: |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 577 | xbarin = 0; // Demodulator |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 578 | anabar = 2; // DACs |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | break; |
| 580 | case LINE1: |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 581 | anabar = 0; // aux1, aux1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 582 | break; |
| 583 | case LINE2: |
| 584 | case LINE2_LEFT: |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 585 | anabar = 9; // aux2, aux2 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 586 | break; |
| 587 | } |
Mauro Carvalho Chehab | 330a115 | 2005-07-12 13:59:01 -0700 | [diff] [blame] | 588 | /* output xbar always main channel */ |
| 589 | saa_dsp_writel(dev, 0x46c >> 2, 0xbbbb10); |
| 590 | saa_dsp_writel(dev, 0x464 >> 2, xbarin); |
| 591 | saa_writel(0x594 >> 2, anabar); |
| 592 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 593 | return 0; |
| 594 | } |
| 595 | |
| 596 | static int |
| 597 | mixer_recsrc(struct saa7134_dev *dev, enum saa7134_audio_in src) |
| 598 | { |
| 599 | static const char *iname[] = { "Oops", "TV", "LINE1", "LINE2" }; |
| 600 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 601 | dev->dmasound.count++; |
| 602 | dev->dmasound.input = src; |
| 603 | dprintk("mixer input = %s\n",iname[dev->dmasound.input]); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 604 | |
| 605 | switch (dev->pci->device) { |
| 606 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 607 | mixer_recsrc_7134(dev); |
| 608 | break; |
| 609 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 610 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 611 | mixer_recsrc_7133(dev); |
| 612 | break; |
| 613 | } |
| 614 | return 0; |
| 615 | } |
| 616 | |
| 617 | static int |
| 618 | mixer_level(struct saa7134_dev *dev, enum saa7134_audio_in src, int level) |
| 619 | { |
| 620 | switch (dev->pci->device) { |
| 621 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 622 | switch (src) { |
| 623 | case TV: |
| 624 | /* nothing */ |
| 625 | break; |
| 626 | case LINE1: |
| 627 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x10, |
| 628 | (100 == level) ? 0x00 : 0x10); |
| 629 | break; |
| 630 | case LINE2: |
| 631 | case LINE2_LEFT: |
| 632 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x20, |
| 633 | (100 == level) ? 0x00 : 0x20); |
| 634 | break; |
| 635 | } |
| 636 | break; |
| 637 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 638 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 639 | /* nothing */ |
| 640 | break; |
| 641 | } |
| 642 | return 0; |
| 643 | } |
| 644 | |
| 645 | /* ------------------------------------------------------------------ */ |
| 646 | |
| 647 | static int mixer_open(struct inode *inode, struct file *file) |
| 648 | { |
| 649 | int minor = iminor(inode); |
| 650 | struct saa7134_dev *h,*dev = NULL; |
| 651 | struct list_head *list; |
| 652 | |
| 653 | list_for_each(list,&saa7134_devlist) { |
| 654 | h = list_entry(list, struct saa7134_dev, devlist); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 655 | if (h->dmasound.minor_mixer == minor) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 656 | dev = h; |
| 657 | } |
| 658 | if (NULL == dev) |
| 659 | return -ENODEV; |
| 660 | |
| 661 | file->private_data = dev; |
| 662 | return 0; |
| 663 | } |
| 664 | |
| 665 | static int mixer_release(struct inode *inode, struct file *file) |
| 666 | { |
| 667 | file->private_data = NULL; |
| 668 | return 0; |
| 669 | } |
| 670 | |
| 671 | static int mixer_ioctl(struct inode *inode, struct file *file, |
| 672 | unsigned int cmd, unsigned long arg) |
| 673 | { |
| 674 | struct saa7134_dev *dev = file->private_data; |
| 675 | enum saa7134_audio_in input; |
| 676 | int val,ret; |
| 677 | void __user *argp = (void __user *) arg; |
| 678 | int __user *p = argp; |
| 679 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 680 | if (debug > 1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 681 | saa7134_print_ioctl(dev->name,cmd); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 682 | switch (cmd) { |
| 683 | case OSS_GETVERSION: |
| 684 | return put_user(SOUND_VERSION, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 685 | case SOUND_MIXER_INFO: |
| 686 | { |
| 687 | mixer_info info; |
| 688 | memset(&info,0,sizeof(info)); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 689 | strlcpy(info.id, "TV audio", sizeof(info.id)); |
| 690 | strlcpy(info.name, dev->name, sizeof(info.name)); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 691 | info.modify_counter = dev->dmasound.count; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 692 | if (copy_to_user(argp, &info, sizeof(info))) |
| 693 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 694 | return 0; |
| 695 | } |
| 696 | case SOUND_OLD_MIXER_INFO: |
| 697 | { |
| 698 | _old_mixer_info info; |
| 699 | memset(&info,0,sizeof(info)); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 700 | strlcpy(info.id, "TV audio", sizeof(info.id)); |
| 701 | strlcpy(info.name, dev->name, sizeof(info.name)); |
| 702 | if (copy_to_user(argp, &info, sizeof(info))) |
| 703 | return -EFAULT; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 704 | return 0; |
| 705 | } |
| 706 | case MIXER_READ(SOUND_MIXER_CAPS): |
| 707 | return put_user(SOUND_CAP_EXCL_INPUT, p); |
| 708 | case MIXER_READ(SOUND_MIXER_STEREODEVS): |
| 709 | return put_user(0, p); |
| 710 | case MIXER_READ(SOUND_MIXER_RECMASK): |
| 711 | case MIXER_READ(SOUND_MIXER_DEVMASK): |
| 712 | val = SOUND_MASK_LINE1 | SOUND_MASK_LINE2; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 713 | if (32000 == dev->dmasound.rate) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 714 | val |= SOUND_MASK_VIDEO; |
| 715 | return put_user(val, p); |
| 716 | |
| 717 | case MIXER_WRITE(SOUND_MIXER_RECSRC): |
| 718 | if (get_user(val, p)) |
| 719 | return -EFAULT; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 720 | input = dev->dmasound.input; |
| 721 | if (32000 == dev->dmasound.rate && |
| 722 | val & SOUND_MASK_VIDEO && dev->dmasound.input != TV) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 723 | input = TV; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 724 | if (val & SOUND_MASK_LINE1 && dev->dmasound.input != LINE1) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 725 | input = LINE1; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 726 | if (val & SOUND_MASK_LINE2 && dev->dmasound.input != LINE2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 727 | input = LINE2; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 728 | if (input != dev->dmasound.input) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 729 | mixer_recsrc(dev,input); |
| 730 | /* fall throuth */ |
| 731 | case MIXER_READ(SOUND_MIXER_RECSRC): |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 732 | switch (dev->dmasound.input) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 733 | case TV: ret = SOUND_MASK_VIDEO; break; |
| 734 | case LINE1: ret = SOUND_MASK_LINE1; break; |
| 735 | case LINE2: ret = SOUND_MASK_LINE2; break; |
| 736 | default: ret = 0; |
| 737 | } |
| 738 | return put_user(ret, p); |
| 739 | |
| 740 | case MIXER_WRITE(SOUND_MIXER_VIDEO): |
| 741 | case MIXER_READ(SOUND_MIXER_VIDEO): |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 742 | if (32000 != dev->dmasound.rate) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 743 | return -EINVAL; |
| 744 | return put_user(100 | 100 << 8, p); |
| 745 | |
| 746 | case MIXER_WRITE(SOUND_MIXER_LINE1): |
| 747 | if (get_user(val, p)) |
| 748 | return -EFAULT; |
| 749 | val &= 0xff; |
| 750 | val = (val <= 50) ? 50 : 100; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 751 | dev->dmasound.line1 = val; |
| 752 | mixer_level(dev,LINE1,dev->dmasound.line1); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 753 | /* fall throuth */ |
| 754 | case MIXER_READ(SOUND_MIXER_LINE1): |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 755 | return put_user(dev->dmasound.line1 | dev->dmasound.line1 << 8, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 756 | |
| 757 | case MIXER_WRITE(SOUND_MIXER_LINE2): |
| 758 | if (get_user(val, p)) |
| 759 | return -EFAULT; |
| 760 | val &= 0xff; |
| 761 | val = (val <= 50) ? 50 : 100; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 762 | dev->dmasound.line2 = val; |
| 763 | mixer_level(dev,LINE2,dev->dmasound.line2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 764 | /* fall throuth */ |
| 765 | case MIXER_READ(SOUND_MIXER_LINE2): |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 766 | return put_user(dev->dmasound.line2 | dev->dmasound.line2 << 8, p); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 767 | |
| 768 | default: |
| 769 | return -EINVAL; |
| 770 | } |
| 771 | } |
| 772 | |
| 773 | struct file_operations saa7134_mixer_fops = { |
| 774 | .owner = THIS_MODULE, |
| 775 | .open = mixer_open, |
| 776 | .release = mixer_release, |
| 777 | .ioctl = mixer_ioctl, |
| 778 | .llseek = no_llseek, |
| 779 | }; |
| 780 | |
| 781 | /* ------------------------------------------------------------------ */ |
| 782 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 783 | static irqreturn_t saa7134_oss_irq(int irq, void *dev_id, struct pt_regs *regs) |
| 784 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 785 | struct saa7134_dmasound *dmasound = dev_id; |
| 786 | struct saa7134_dev *dev = dmasound->priv_data; |
| 787 | unsigned long report, status; |
| 788 | int loop, handled = 0; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 789 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 790 | for (loop = 0; loop < 10; loop++) { |
| 791 | report = saa_readl(SAA7134_IRQ_REPORT); |
| 792 | status = saa_readl(SAA7134_IRQ_STATUS); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 793 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 794 | if (report & SAA7134_IRQ_REPORT_DONE_RA3) { |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 795 | handled = 1; |
| 796 | saa_writel(SAA7134_IRQ_REPORT,report); |
| 797 | saa7134_irq_oss_done(dev, status); |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 798 | } else { |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 799 | goto out; |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 800 | } |
| 801 | } |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 802 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 803 | if (loop == 10) { |
| 804 | dprintk("error! looping IRQ!"); |
| 805 | } |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 806 | out: |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 807 | return IRQ_RETVAL(handled); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 808 | } |
| 809 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 810 | int saa7134_oss_init1(struct saa7134_dev *dev) |
| 811 | { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 812 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 813 | if ((request_irq(dev->pci->irq, saa7134_oss_irq, |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 814 | SA_SHIRQ | SA_INTERRUPT, dev->name, |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 815 | (void*) &dev->dmasound)) < 0) |
| 816 | return -1; |
| 817 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 818 | /* general */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 819 | init_MUTEX(&dev->dmasound.lock); |
| 820 | init_waitqueue_head(&dev->dmasound.wq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 821 | |
| 822 | switch (dev->pci->device) { |
| 823 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 824 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 825 | saa_writel(0x588 >> 2, 0x00000fff); |
| 826 | saa_writel(0x58c >> 2, 0x00543210); |
| 827 | saa_dsp_writel(dev, 0x46c >> 2, 0xbbbbbb); |
| 828 | break; |
| 829 | } |
| 830 | |
| 831 | /* dsp */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 832 | dev->dmasound.rate = 32000; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 833 | if (rate) |
| 834 | dev->dmasound.rate = rate; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 835 | dev->dmasound.rate = (dev->dmasound.rate > 40000) ? 48000 : 32000; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 836 | |
| 837 | /* mixer */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 838 | dev->dmasound.line1 = 50; |
| 839 | dev->dmasound.line2 = 50; |
| 840 | mixer_level(dev,LINE1,dev->dmasound.line1); |
| 841 | mixer_level(dev,LINE2,dev->dmasound.line2); |
| 842 | mixer_recsrc(dev, (dev->dmasound.rate == 32000) ? TV : LINE2); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 843 | |
| 844 | return 0; |
| 845 | } |
| 846 | |
| 847 | int saa7134_oss_fini(struct saa7134_dev *dev) |
| 848 | { |
| 849 | /* nothing */ |
| 850 | return 0; |
| 851 | } |
| 852 | |
| 853 | void saa7134_irq_oss_done(struct saa7134_dev *dev, unsigned long status) |
| 854 | { |
| 855 | int next_blk, reg = 0; |
| 856 | |
| 857 | spin_lock(&dev->slock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 858 | if (UNSET == dev->dmasound.dma_blk) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 859 | dprintk("irq: recording stopped\n"); |
| 860 | goto done; |
| 861 | } |
| 862 | if (0 != (status & 0x0f000000)) |
| 863 | dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); |
| 864 | if (0 == (status & 0x10000000)) { |
| 865 | /* odd */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 866 | if (0 == (dev->dmasound.dma_blk & 0x01)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 867 | reg = SAA7134_RS_BA1(6); |
| 868 | } else { |
| 869 | /* even */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 870 | if (1 == (dev->dmasound.dma_blk & 0x01)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 871 | reg = SAA7134_RS_BA2(6); |
| 872 | } |
| 873 | if (0 == reg) { |
| 874 | dprintk("irq: field oops [%s]\n", |
| 875 | (status & 0x10000000) ? "even" : "odd"); |
| 876 | goto done; |
| 877 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 878 | if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { |
| 879 | dprintk("irq: overrun [full=%d/%d]\n",dev->dmasound.read_count, |
| 880 | dev->dmasound.bufsize); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 881 | dsp_dma_stop(dev); |
| 882 | goto done; |
| 883 | } |
| 884 | |
| 885 | /* next block addr */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 886 | next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks; |
| 887 | saa_writel(reg,next_blk * dev->dmasound.blksize); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 888 | if (debug > 2) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 889 | dprintk("irq: ok, %s, next_blk=%d, addr=%x\n", |
| 890 | (status & 0x10000000) ? "even" : "odd ", next_blk, |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 891 | next_blk * dev->dmasound.blksize); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 892 | |
| 893 | /* update status & wake waiting readers */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 894 | dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks; |
| 895 | dev->dmasound.read_count += dev->dmasound.blksize; |
| 896 | wake_up(&dev->dmasound.wq); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 897 | |
| 898 | done: |
| 899 | spin_unlock(&dev->slock); |
| 900 | } |
| 901 | |
Adrian Bunk | 943a490 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 902 | static int saa7134_dsp_create(struct saa7134_dev *dev) |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 903 | { |
| 904 | int err; |
| 905 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 906 | err = dev->dmasound.minor_dsp = |
| 907 | register_sound_dsp(&saa7134_dsp_fops, |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 908 | dsp_nr[dev->nr]); |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 909 | if (err < 0) { |
| 910 | goto fail; |
| 911 | } |
| 912 | printk(KERN_INFO "%s: registered device dsp%d\n", |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 913 | dev->name,dev->dmasound.minor_dsp >> 4); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 914 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 915 | err = dev->dmasound.minor_mixer = |
| 916 | register_sound_mixer(&saa7134_mixer_fops, |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 917 | mixer_nr[dev->nr]); |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 918 | if (err < 0) |
| 919 | goto fail; |
| 920 | printk(KERN_INFO "%s: registered device mixer%d\n", |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 921 | dev->name,dev->dmasound.minor_mixer >> 4); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 922 | |
| 923 | return 0; |
| 924 | |
| 925 | fail: |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 926 | unregister_sound_dsp(dev->dmasound.minor_dsp); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 927 | return 0; |
| 928 | |
| 929 | |
| 930 | } |
| 931 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 932 | static int oss_device_init(struct saa7134_dev *dev) |
| 933 | { |
| 934 | dev->dmasound.priv_data = dev; |
| 935 | saa7134_oss_init1(dev); |
| 936 | saa7134_dsp_create(dev); |
| 937 | return 1; |
| 938 | } |
| 939 | |
| 940 | static int oss_device_exit(struct saa7134_dev *dev) |
| 941 | { |
| 942 | |
| 943 | unregister_sound_mixer(dev->dmasound.minor_mixer); |
| 944 | unregister_sound_dsp(dev->dmasound.minor_dsp); |
| 945 | |
| 946 | saa7134_oss_fini(dev); |
| 947 | |
| 948 | if (dev->pci->irq > 0) { |
| 949 | synchronize_irq(dev->pci->irq); |
| 950 | free_irq(dev->pci->irq,&dev->dmasound); |
| 951 | } |
| 952 | |
| 953 | dev->dmasound.priv_data = NULL; |
| 954 | return 1; |
| 955 | } |
| 956 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 957 | static int saa7134_oss_init(void) |
| 958 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 959 | struct saa7134_dev *dev = NULL; |
| 960 | struct list_head *list; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 961 | |
Ricardo Cerqueira | 7bb9529 | 2005-12-20 18:26:26 -0200 | [diff] [blame] | 962 | if (!dmasound_init && !dmasound_exit) { |
| 963 | dmasound_init = oss_device_init; |
| 964 | dmasound_exit = oss_device_exit; |
| 965 | } else { |
| 966 | printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n"); |
| 967 | return -EBUSY; |
| 968 | } |
| 969 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 970 | printk(KERN_INFO "saa7134 OSS driver for DMA sound loaded\n"); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 971 | |
Ricardo Cerqueira | 7bb9529 | 2005-12-20 18:26:26 -0200 | [diff] [blame] | 972 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 973 | list_for_each(list,&saa7134_devlist) { |
| 974 | dev = list_entry(list, struct saa7134_dev, devlist); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 975 | if (dev->dmasound.priv_data == NULL) { |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 976 | oss_device_init(dev); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 977 | } else { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 978 | printk(KERN_ERR "saa7134 OSS: DMA sound is being handled by ALSA, ignoring %s\n",dev->name); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 979 | return -EBUSY; |
| 980 | } |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 981 | } |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 982 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 983 | if (dev == NULL) |
| 984 | printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n"); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 985 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 986 | return 0; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 987 | |
| 988 | } |
| 989 | |
Adrian Bunk | 943a490 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 990 | static void saa7134_oss_exit(void) |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 991 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 992 | struct saa7134_dev *dev = NULL; |
| 993 | struct list_head *list; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 994 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 995 | list_for_each(list,&saa7134_devlist) { |
| 996 | dev = list_entry(list, struct saa7134_dev, devlist); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 997 | |
| 998 | /* Device isn't registered by OSS, probably ALSA's */ |
| 999 | if (!dev->dmasound.minor_dsp) |
| 1000 | continue; |
| 1001 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 1002 | oss_device_exit(dev); |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1003 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1004 | } |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1005 | |
Ricardo Cerqueira | 7bb9529 | 2005-12-20 18:26:26 -0200 | [diff] [blame] | 1006 | dmasound_init = NULL; |
| 1007 | dmasound_exit = NULL; |
| 1008 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1009 | printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n"); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1010 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1011 | return; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1012 | } |
| 1013 | |
Linus Torvalds | c7ac6b4 | 2005-12-21 14:52:32 -0800 | [diff] [blame] | 1014 | /* We initialize this late, to make sure the sound system is up and running */ |
| 1015 | late_initcall(saa7134_oss_init); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1016 | module_exit(saa7134_oss_exit); |
| 1017 | MODULE_LICENSE("GPL"); |
| 1018 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |
| 1019 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1020 | /* ----------------------------------------------------------- */ |
| 1021 | /* |
| 1022 | * Local variables: |
| 1023 | * c-basic-offset: 8 |
| 1024 | * End: |
| 1025 | */ |