Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1 | /* |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 2 | * SAA713x ALSA support for V4L |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 3 | * |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation, version 2 |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 16 | * |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 17 | */ |
| 18 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 19 | #include <linux/init.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/time.h> |
| 22 | #include <linux/wait.h> |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 23 | #include <linux/module.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 24 | #include <sound/core.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 25 | #include <sound/control.h> |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 26 | #include <sound/pcm.h> |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 27 | #include <sound/pcm_params.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 28 | #include <sound/initval.h> |
Nickolay V. Shmyrev | 871242b | 2005-11-13 16:07:51 -0800 | [diff] [blame] | 29 | #include <linux/interrupt.h> |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 30 | |
| 31 | #include "saa7134.h" |
| 32 | #include "saa7134-reg.h" |
| 33 | |
Douglas Schilling Landgraf | ff699e6 | 2008-04-22 14:41:48 -0300 | [diff] [blame] | 34 | static unsigned int debug; |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 35 | module_param(debug, int, 0644); |
| 36 | MODULE_PARM_DESC(debug,"enable debug messages [alsa]"); |
| 37 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 38 | /* |
| 39 | * Configuration macros |
| 40 | */ |
| 41 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 42 | /* defaults */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 43 | #define MIXER_ADDR_TVTUNER 0 |
| 44 | #define MIXER_ADDR_LINE1 1 |
| 45 | #define MIXER_ADDR_LINE2 2 |
| 46 | #define MIXER_ADDR_LAST 2 |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 47 | |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 48 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 49 | static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ |
| 50 | static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ |
Ricardo Cerqueira | ede2241 | 2006-02-27 00:08:11 -0300 | [diff] [blame] | 51 | static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 52 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 53 | module_param_array(index, int, NULL, 0444); |
Ricardo Cerqueira | ede2241 | 2006-02-27 00:08:11 -0300 | [diff] [blame] | 54 | module_param_array(enable, int, NULL, 0444); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 55 | MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s)."); |
Ricardo Cerqueira | ede2241 | 2006-02-27 00:08:11 -0300 | [diff] [blame] | 56 | MODULE_PARM_DESC(enable, "Enable (or not) the SAA7134 capture interface(s)."); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 57 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 58 | #define dprintk(fmt, arg...) if (debug) \ |
Jean Delvare | f85c657 | 2005-12-19 08:53:59 -0200 | [diff] [blame] | 59 | printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ##arg) |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 60 | |
| 61 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 62 | |
| 63 | /* |
| 64 | * Main chip structure |
| 65 | */ |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 66 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 67 | typedef struct snd_card_saa7134 { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 68 | struct snd_card *card; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 69 | spinlock_t mixer_lock; |
| 70 | int mixer_volume[MIXER_ADDR_LAST+1][2]; |
| 71 | int capture_source[MIXER_ADDR_LAST+1][2]; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 72 | struct pci_dev *pci; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 73 | struct saa7134_dev *dev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 74 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 75 | unsigned long iobase; |
RafaĆ Bilski | aac0ca6 | 2007-06-20 05:36:26 -0300 | [diff] [blame] | 76 | s16 irq; |
| 77 | u16 mute_was_on; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 78 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 79 | spinlock_t lock; |
| 80 | } snd_card_saa7134_t; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 81 | |
Nickolay V. Shmyrev | 07eef6c | 2005-11-08 21:38:14 -0800 | [diff] [blame] | 82 | |
| 83 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 84 | /* |
| 85 | * PCM structure |
| 86 | */ |
| 87 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 88 | typedef struct snd_card_saa7134_pcm { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 89 | struct saa7134_dev *dev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 90 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 91 | spinlock_t lock; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 92 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 93 | struct snd_pcm_substream *substream; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 94 | } snd_card_saa7134_pcm_t; |
| 95 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 96 | static struct snd_card *snd_saa7134_cards[SNDRV_CARDS]; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 97 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 98 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 99 | /* |
| 100 | * saa7134 DMA audio stop |
| 101 | * |
| 102 | * Called when the capture device is released or the buffer overflows |
| 103 | * |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 104 | * - Copied verbatim from saa7134-oss's dsp_dma_stop. |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 105 | * |
| 106 | */ |
| 107 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 108 | static void saa7134_dma_stop(struct saa7134_dev *dev) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 109 | { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 110 | dev->dmasound.dma_blk = -1; |
| 111 | dev->dmasound.dma_running = 0; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 112 | saa7134_set_dmabits(dev); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 113 | } |
| 114 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 115 | /* |
| 116 | * saa7134 DMA audio start |
| 117 | * |
| 118 | * Called when preparing the capture device for use |
| 119 | * |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 120 | * - Copied verbatim from saa7134-oss's dsp_dma_start. |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 121 | * |
| 122 | */ |
| 123 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 124 | static void saa7134_dma_start(struct saa7134_dev *dev) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 125 | { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 126 | dev->dmasound.dma_blk = 0; |
| 127 | dev->dmasound.dma_running = 1; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 128 | saa7134_set_dmabits(dev); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 129 | } |
| 130 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 131 | /* |
| 132 | * saa7134 audio DMA IRQ handler |
| 133 | * |
| 134 | * Called whenever we get an SAA7134_IRQ_REPORT_DONE_RA3 interrupt |
| 135 | * Handles shifting between the 2 buffers, manages the read counters, |
| 136 | * and notifies ALSA when periods elapse |
| 137 | * |
| 138 | * - Mostly copied from saa7134-oss's saa7134_irq_oss_done. |
| 139 | * |
| 140 | */ |
| 141 | |
Adrian Bunk | 943a490 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 142 | static void saa7134_irq_alsa_done(struct saa7134_dev *dev, |
| 143 | unsigned long status) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 144 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 145 | int next_blk, reg = 0; |
| 146 | |
| 147 | spin_lock(&dev->slock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 148 | if (UNSET == dev->dmasound.dma_blk) { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 149 | dprintk("irq: recording stopped\n"); |
| 150 | goto done; |
| 151 | } |
| 152 | if (0 != (status & 0x0f000000)) |
| 153 | dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); |
| 154 | if (0 == (status & 0x10000000)) { |
| 155 | /* odd */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 156 | if (0 == (dev->dmasound.dma_blk & 0x01)) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 157 | reg = SAA7134_RS_BA1(6); |
| 158 | } else { |
| 159 | /* even */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 160 | if (1 == (dev->dmasound.dma_blk & 0x01)) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 161 | reg = SAA7134_RS_BA2(6); |
| 162 | } |
| 163 | if (0 == reg) { |
| 164 | dprintk("irq: field oops [%s]\n", |
| 165 | (status & 0x10000000) ? "even" : "odd"); |
| 166 | goto done; |
| 167 | } |
| 168 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 169 | if (dev->dmasound.read_count >= dev->dmasound.blksize * (dev->dmasound.blocks-2)) { |
| 170 | dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->dmasound.read_count, |
| 171 | dev->dmasound.bufsize, dev->dmasound.blocks); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 172 | spin_unlock(&dev->slock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 173 | snd_pcm_stop(dev->dmasound.substream,SNDRV_PCM_STATE_XRUN); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 174 | return; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 175 | } |
| 176 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 177 | /* next block addr */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 178 | next_blk = (dev->dmasound.dma_blk + 2) % dev->dmasound.blocks; |
| 179 | saa_writel(reg,next_blk * dev->dmasound.blksize); |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 180 | if (debug > 2) |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 181 | dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n", |
| 182 | (status & 0x10000000) ? "even" : "odd ", next_blk, |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 183 | next_blk * dev->dmasound.blksize, dev->dmasound.blocks, dev->dmasound.blksize, dev->dmasound.read_count); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 184 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 185 | /* update status & wake waiting readers */ |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 186 | dev->dmasound.dma_blk = (dev->dmasound.dma_blk + 1) % dev->dmasound.blocks; |
| 187 | dev->dmasound.read_count += dev->dmasound.blksize; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 188 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 189 | dev->dmasound.recording_on = reg; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 190 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 191 | if (dev->dmasound.read_count >= snd_pcm_lib_period_bytes(dev->dmasound.substream)) { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 192 | spin_unlock(&dev->slock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 193 | snd_pcm_period_elapsed(dev->dmasound.substream); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 194 | spin_lock(&dev->slock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 195 | } |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 196 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 197 | done: |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 198 | spin_unlock(&dev->slock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 199 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 200 | } |
| 201 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 202 | /* |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 203 | * IRQ request handler |
| 204 | * |
| 205 | * Runs along with saa7134's IRQ handler, discards anything that isn't |
| 206 | * DMA sound |
| 207 | * |
| 208 | */ |
| 209 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 210 | static irqreturn_t saa7134_alsa_irq(int irq, void *dev_id) |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 211 | { |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 212 | struct saa7134_dmasound *dmasound = dev_id; |
| 213 | struct saa7134_dev *dev = dmasound->priv_data; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 214 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 215 | unsigned long report, status; |
| 216 | int loop, handled = 0; |
| 217 | |
| 218 | for (loop = 0; loop < 10; loop++) { |
| 219 | report = saa_readl(SAA7134_IRQ_REPORT); |
| 220 | status = saa_readl(SAA7134_IRQ_STATUS); |
| 221 | |
| 222 | if (report & SAA7134_IRQ_REPORT_DONE_RA3) { |
| 223 | handled = 1; |
Heikki Lindholm | 843b137 | 2007-11-30 13:27:26 -0300 | [diff] [blame] | 224 | saa_writel(SAA7134_IRQ_REPORT, |
| 225 | SAA7134_IRQ_REPORT_DONE_RA3); |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 226 | saa7134_irq_alsa_done(dev, status); |
| 227 | } else { |
| 228 | goto out; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | if (loop == 10) { |
| 233 | dprintk("error! looping IRQ!"); |
| 234 | } |
| 235 | |
| 236 | out: |
| 237 | return IRQ_RETVAL(handled); |
| 238 | } |
| 239 | |
| 240 | /* |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 241 | * ALSA capture trigger |
| 242 | * |
| 243 | * - One of the ALSA capture callbacks. |
| 244 | * |
| 245 | * Called whenever a capture is started or stopped. Must be defined, |
| 246 | * but there's nothing we want to do here |
| 247 | * |
| 248 | */ |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 249 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 250 | static int snd_card_saa7134_capture_trigger(struct snd_pcm_substream * substream, |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 251 | int cmd) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 252 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 253 | struct snd_pcm_runtime *runtime = substream->runtime; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 254 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
| 255 | struct saa7134_dev *dev=pcm->dev; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 256 | int err = 0; |
| 257 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 258 | spin_lock(&dev->slock); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 259 | if (cmd == SNDRV_PCM_TRIGGER_START) { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 260 | /* start dma */ |
| 261 | saa7134_dma_start(dev); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 262 | } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 263 | /* stop dma */ |
| 264 | saa7134_dma_stop(dev); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 265 | } else { |
| 266 | err = -EINVAL; |
| 267 | } |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 268 | spin_unlock(&dev->slock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 269 | |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 270 | return err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 271 | } |
| 272 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 273 | /* |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 274 | * DMA buffer initialization |
| 275 | * |
| 276 | * Uses V4L functions to initialize the DMA. Shouldn't be necessary in |
| 277 | * ALSA, but I was unable to use ALSA's own DMA, and had to force the |
| 278 | * usage of V4L's |
| 279 | * |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 280 | * - Copied verbatim from saa7134-oss. |
| 281 | * |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 282 | */ |
| 283 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 284 | static int dsp_buffer_init(struct saa7134_dev *dev) |
| 285 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 286 | int err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 287 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 288 | BUG_ON(!dev->dmasound.bufsize); |
| 289 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 290 | videobuf_dma_init(&dev->dmasound.dma); |
| 291 | err = videobuf_dma_init_kernel(&dev->dmasound.dma, PCI_DMA_FROMDEVICE, |
| 292 | (dev->dmasound.bufsize + PAGE_SIZE) >> PAGE_SHIFT); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 293 | if (0 != err) |
| 294 | return err; |
| 295 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 296 | } |
| 297 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 298 | /* |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 299 | * DMA buffer release |
| 300 | * |
| 301 | * Called after closing the device, during snd_card_saa7134_capture_close |
| 302 | * |
| 303 | */ |
| 304 | |
| 305 | static int dsp_buffer_free(struct saa7134_dev *dev) |
| 306 | { |
Eric Sesterhenn | ae24601 | 2006-03-13 13:17:11 -0300 | [diff] [blame] | 307 | BUG_ON(!dev->dmasound.blksize); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 308 | |
| 309 | videobuf_dma_free(&dev->dmasound.dma); |
| 310 | |
| 311 | dev->dmasound.blocks = 0; |
| 312 | dev->dmasound.blksize = 0; |
| 313 | dev->dmasound.bufsize = 0; |
| 314 | |
Michael Krufky | b930e1d | 2007-08-27 18:16:54 -0300 | [diff] [blame] | 315 | return 0; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 316 | } |
| 317 | |
| 318 | |
| 319 | /* |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 320 | * ALSA PCM preparation |
| 321 | * |
| 322 | * - One of the ALSA capture callbacks. |
| 323 | * |
| 324 | * Called right after the capture device is opened, this function configures |
| 325 | * the buffer using the previously defined functions, allocates the memory, |
| 326 | * sets up the hardware registers, and then starts the DMA. When this function |
| 327 | * returns, the audio should be flowing. |
| 328 | * |
| 329 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 330 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 331 | static int snd_card_saa7134_capture_prepare(struct snd_pcm_substream * substream) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 332 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 333 | struct snd_pcm_runtime *runtime = substream->runtime; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 334 | int bswap, sign; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 335 | u32 fmt, control; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 336 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 337 | struct saa7134_dev *dev; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 338 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 339 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 340 | pcm->dev->dmasound.substream = substream; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 341 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 342 | dev = saa7134->dev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 343 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 344 | if (snd_pcm_format_width(runtime->format) == 8) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 345 | fmt = 0x00; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 346 | else |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 347 | fmt = 0x01; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 348 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 349 | if (snd_pcm_format_signed(runtime->format)) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 350 | sign = 1; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 351 | else |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 352 | sign = 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 353 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 354 | if (snd_pcm_format_big_endian(runtime->format)) |
| 355 | bswap = 1; |
| 356 | else |
| 357 | bswap = 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 358 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 359 | switch (dev->pci->device) { |
| 360 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 361 | if (1 == runtime->channels) |
| 362 | fmt |= (1 << 3); |
| 363 | if (2 == runtime->channels) |
| 364 | fmt |= (3 << 3); |
| 365 | if (sign) |
| 366 | fmt |= 0x04; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 367 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 368 | fmt |= (MIXER_ADDR_TVTUNER == dev->dmasound.input) ? 0xc0 : 0x80; |
| 369 | saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->dmasound.blksize - 1) & 0x0000ff)); |
| 370 | saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->dmasound.blksize - 1) & 0x00ff00) >> 8); |
| 371 | saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->dmasound.blksize - 1) & 0xff0000) >> 16); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 372 | saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 373 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 374 | break; |
| 375 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 376 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 377 | if (1 == runtime->channels) |
| 378 | fmt |= (1 << 4); |
| 379 | if (2 == runtime->channels) |
| 380 | fmt |= (2 << 4); |
| 381 | if (!sign) |
| 382 | fmt |= 0x04; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 383 | saa_writel(SAA7133_NUM_SAMPLES, dev->dmasound.blksize -1); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 384 | saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 385 | break; |
| 386 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 387 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 388 | dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", |
| 389 | runtime->format, runtime->channels, fmt, |
| 390 | bswap ? 'b' : '-'); |
| 391 | /* dma: setup channel 6 (= AUDIO) */ |
| 392 | control = SAA7134_RS_CONTROL_BURST_16 | |
| 393 | SAA7134_RS_CONTROL_ME | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 394 | (dev->dmasound.pt.dma >> 12); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 395 | if (bswap) |
| 396 | control |= SAA7134_RS_CONTROL_BSWAP; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 397 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 398 | saa_writel(SAA7134_RS_BA1(6),0); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 399 | saa_writel(SAA7134_RS_BA2(6),dev->dmasound.blksize); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 400 | saa_writel(SAA7134_RS_PITCH(6),0); |
| 401 | saa_writel(SAA7134_RS_CONTROL(6),control); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 402 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 403 | dev->dmasound.rate = runtime->rate; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 404 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 405 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 406 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 407 | } |
| 408 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 409 | /* |
| 410 | * ALSA pointer fetching |
| 411 | * |
| 412 | * - One of the ALSA capture callbacks. |
| 413 | * |
| 414 | * Called whenever a period elapses, it must return the current hardware |
| 415 | * position of the buffer. |
| 416 | * Also resets the read counter used to prevent overruns |
| 417 | * |
| 418 | */ |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 419 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 420 | static snd_pcm_uframes_t |
| 421 | snd_card_saa7134_capture_pointer(struct snd_pcm_substream * substream) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 422 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 423 | struct snd_pcm_runtime *runtime = substream->runtime; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 424 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
| 425 | struct saa7134_dev *dev=pcm->dev; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 426 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 427 | if (dev->dmasound.read_count) { |
| 428 | dev->dmasound.read_count -= snd_pcm_lib_period_bytes(substream); |
| 429 | dev->dmasound.read_offset += snd_pcm_lib_period_bytes(substream); |
| 430 | if (dev->dmasound.read_offset == dev->dmasound.bufsize) |
| 431 | dev->dmasound.read_offset = 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 432 | } |
| 433 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 434 | return bytes_to_frames(runtime, dev->dmasound.read_offset); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 435 | } |
| 436 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 437 | /* |
| 438 | * ALSA hardware capabilities definition |
| 439 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 440 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 441 | static struct snd_pcm_hardware snd_card_saa7134_capture = |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 442 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 443 | .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | |
Mauro Carvalho Chehab | f2421ca | 2005-11-08 21:37:45 -0800 | [diff] [blame] | 444 | SNDRV_PCM_INFO_BLOCK_TRANSFER | |
| 445 | SNDRV_PCM_INFO_MMAP_VALID), |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 446 | .formats = SNDRV_PCM_FMTBIT_S16_LE | \ |
| 447 | SNDRV_PCM_FMTBIT_S16_BE | \ |
| 448 | SNDRV_PCM_FMTBIT_S8 | \ |
| 449 | SNDRV_PCM_FMTBIT_U8 | \ |
| 450 | SNDRV_PCM_FMTBIT_U16_LE | \ |
| 451 | SNDRV_PCM_FMTBIT_U16_BE, |
| 452 | .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000, |
| 453 | .rate_min = 32000, |
| 454 | .rate_max = 48000, |
| 455 | .channels_min = 1, |
| 456 | .channels_max = 2, |
| 457 | .buffer_bytes_max = (256*1024), |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 458 | .period_bytes_min = 64, |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 459 | .period_bytes_max = (256*1024), |
Heikki Lindholm | 174eb8e | 2007-11-23 18:59:18 -0300 | [diff] [blame] | 460 | .periods_min = 4, |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 461 | .periods_max = 1024, |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 462 | }; |
| 463 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 464 | static void snd_card_saa7134_runtime_free(struct snd_pcm_runtime *runtime) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 465 | { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 466 | snd_card_saa7134_pcm_t *pcm = runtime->private_data; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 467 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 468 | kfree(pcm); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 469 | } |
| 470 | |
| 471 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 472 | /* |
| 473 | * ALSA hardware params |
| 474 | * |
| 475 | * - One of the ALSA capture callbacks. |
| 476 | * |
| 477 | * Called on initialization, right before the PCM preparation |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 478 | * |
| 479 | */ |
| 480 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 481 | static int snd_card_saa7134_hw_params(struct snd_pcm_substream * substream, |
| 482 | struct snd_pcm_hw_params * hw_params) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 483 | { |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 484 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
| 485 | struct saa7134_dev *dev; |
| 486 | unsigned int period_size, periods; |
| 487 | int err; |
| 488 | |
| 489 | period_size = params_period_bytes(hw_params); |
| 490 | periods = params_periods(hw_params); |
| 491 | |
| 492 | snd_assert(period_size >= 0x100 && period_size <= 0x10000, |
| 493 | return -EINVAL); |
Heikki Lindholm | 174eb8e | 2007-11-23 18:59:18 -0300 | [diff] [blame] | 494 | snd_assert(periods >= 4, return -EINVAL); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 495 | snd_assert(period_size * periods <= 1024 * 1024, return -EINVAL); |
| 496 | |
| 497 | dev = saa7134->dev; |
| 498 | |
| 499 | if (dev->dmasound.blocks == periods && |
| 500 | dev->dmasound.blksize == period_size) |
| 501 | return 0; |
| 502 | |
| 503 | /* release the old buffer */ |
| 504 | if (substream->runtime->dma_area) { |
| 505 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 506 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 507 | dsp_buffer_free(dev); |
| 508 | substream->runtime->dma_area = NULL; |
| 509 | } |
| 510 | dev->dmasound.blocks = periods; |
| 511 | dev->dmasound.blksize = period_size; |
| 512 | dev->dmasound.bufsize = period_size * periods; |
| 513 | |
| 514 | err = dsp_buffer_init(dev); |
| 515 | if (0 != err) { |
| 516 | dev->dmasound.blocks = 0; |
| 517 | dev->dmasound.blksize = 0; |
| 518 | dev->dmasound.bufsize = 0; |
| 519 | return err; |
| 520 | } |
| 521 | |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 522 | if (0 != (err = videobuf_sg_dma_map(&dev->pci->dev, &dev->dmasound.dma))) { |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 523 | dsp_buffer_free(dev); |
| 524 | return err; |
| 525 | } |
| 526 | if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->dmasound.pt))) { |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 527 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 528 | dsp_buffer_free(dev); |
| 529 | return err; |
| 530 | } |
| 531 | if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->dmasound.pt, |
| 532 | dev->dmasound.dma.sglist, |
| 533 | dev->dmasound.dma.sglen, |
| 534 | 0))) { |
| 535 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 536 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 537 | dsp_buffer_free(dev); |
| 538 | return err; |
| 539 | } |
| 540 | |
| 541 | /* I should be able to use runtime->dma_addr in the control |
| 542 | byte, but it doesn't work. So I allocate the DMA using the |
| 543 | V4L functions, and force ALSA to use that as the DMA area */ |
| 544 | |
| 545 | substream->runtime->dma_area = dev->dmasound.dma.vmalloc; |
Alexander E. Patrakov | 32d111a | 2007-10-31 11:40:09 -0300 | [diff] [blame] | 546 | substream->runtime->dma_bytes = dev->dmasound.bufsize; |
| 547 | substream->runtime->dma_addr = 0; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 548 | |
Alexander E. Patrakov | 32d111a | 2007-10-31 11:40:09 -0300 | [diff] [blame] | 549 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 550 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 551 | } |
| 552 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 553 | /* |
| 554 | * ALSA hardware release |
| 555 | * |
| 556 | * - One of the ALSA capture callbacks. |
| 557 | * |
| 558 | * Called after closing the device, but before snd_card_saa7134_capture_close |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 559 | * It stops the DMA audio and releases the buffers. |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 560 | * |
| 561 | */ |
| 562 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 563 | static int snd_card_saa7134_hw_free(struct snd_pcm_substream * substream) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 564 | { |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 565 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
| 566 | struct saa7134_dev *dev; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 567 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 568 | dev = saa7134->dev; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 569 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 570 | if (substream->runtime->dma_area) { |
| 571 | saa7134_pgtable_free(dev->pci, &dev->dmasound.pt); |
Guennadi Liakhovetski | 0705135 | 2008-04-22 14:42:13 -0300 | [diff] [blame] | 572 | videobuf_sg_dma_unmap(&dev->pci->dev, &dev->dmasound.dma); |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 573 | dsp_buffer_free(dev); |
| 574 | substream->runtime->dma_area = NULL; |
| 575 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 576 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 577 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 578 | } |
| 579 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 580 | /* |
| 581 | * ALSA capture finish |
| 582 | * |
| 583 | * - One of the ALSA capture callbacks. |
| 584 | * |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 585 | * Called after closing the device. |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 586 | * |
| 587 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 588 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 589 | static int snd_card_saa7134_capture_close(struct snd_pcm_substream * substream) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 590 | { |
Ricardo Cerqueira | dafcaaf | 2006-09-06 06:25:38 -0300 | [diff] [blame] | 591 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
| 592 | struct saa7134_dev *dev = saa7134->dev; |
| 593 | |
RafaĆ Bilski | aac0ca6 | 2007-06-20 05:36:26 -0300 | [diff] [blame] | 594 | if (saa7134->mute_was_on) { |
| 595 | dev->ctl_mute = 1; |
| 596 | saa7134_tvaudio_setmute(dev); |
| 597 | } |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 598 | return 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 599 | } |
| 600 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 601 | /* |
| 602 | * ALSA capture start |
| 603 | * |
| 604 | * - One of the ALSA capture callbacks. |
| 605 | * |
| 606 | * Called when opening the device. It creates and populates the PCM |
| 607 | * structure |
| 608 | * |
| 609 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 610 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 611 | static int snd_card_saa7134_capture_open(struct snd_pcm_substream * substream) |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 612 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 613 | struct snd_pcm_runtime *runtime = substream->runtime; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 614 | snd_card_saa7134_pcm_t *pcm; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 615 | snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 616 | struct saa7134_dev *dev = saa7134->dev; |
Hartmut Hackmann | 5cfbacd | 2006-11-21 19:59:27 -0300 | [diff] [blame] | 617 | int amux, err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 618 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 619 | mutex_lock(&dev->dmasound.lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 620 | |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 621 | dev->dmasound.read_count = 0; |
| 622 | dev->dmasound.read_offset = 0; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 623 | |
Hartmut Hackmann | 5cfbacd | 2006-11-21 19:59:27 -0300 | [diff] [blame] | 624 | amux = dev->input->amux; |
| 625 | if ((amux < 1) || (amux > 3)) |
| 626 | amux = 1; |
| 627 | dev->dmasound.input = amux - 1; |
| 628 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 629 | mutex_unlock(&dev->dmasound.lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 630 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 631 | pcm = kzalloc(sizeof(*pcm), GFP_KERNEL); |
| 632 | if (pcm == NULL) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 633 | return -ENOMEM; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 634 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 635 | pcm->dev=saa7134->dev; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 636 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 637 | spin_lock_init(&pcm->lock); |
| 638 | |
| 639 | pcm->substream = substream; |
| 640 | runtime->private_data = pcm; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 641 | runtime->private_free = snd_card_saa7134_runtime_free; |
| 642 | runtime->hw = snd_card_saa7134_capture; |
| 643 | |
RafaĆ Bilski | aac0ca6 | 2007-06-20 05:36:26 -0300 | [diff] [blame] | 644 | if (dev->ctl_mute != 0) { |
| 645 | saa7134->mute_was_on = 1; |
| 646 | dev->ctl_mute = 0; |
| 647 | saa7134_tvaudio_setmute(dev); |
| 648 | } |
Ricardo Cerqueira | dafcaaf | 2006-09-06 06:25:38 -0300 | [diff] [blame] | 649 | |
Heikki Lindholm | 174eb8e | 2007-11-23 18:59:18 -0300 | [diff] [blame] | 650 | err = snd_pcm_hw_constraint_integer(runtime, |
| 651 | SNDRV_PCM_HW_PARAM_PERIODS); |
| 652 | if (err < 0) |
| 653 | return err; |
| 654 | |
| 655 | err = snd_pcm_hw_constraint_step(runtime, 0, |
| 656 | SNDRV_PCM_HW_PARAM_PERIODS, 2); |
| 657 | if (err < 0) |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 658 | return err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 659 | |
| 660 | return 0; |
| 661 | } |
| 662 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 663 | /* |
Alexander E. Patrakov | 32d111a | 2007-10-31 11:40:09 -0300 | [diff] [blame] | 664 | * page callback (needed for mmap) |
| 665 | */ |
| 666 | |
| 667 | static struct page *snd_card_saa7134_page(struct snd_pcm_substream *substream, |
| 668 | unsigned long offset) |
| 669 | { |
| 670 | void *pageptr = substream->runtime->dma_area + offset; |
| 671 | return vmalloc_to_page(pageptr); |
| 672 | } |
| 673 | |
| 674 | /* |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 675 | * ALSA capture callbacks definition |
| 676 | */ |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 677 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 678 | static struct snd_pcm_ops snd_card_saa7134_capture_ops = { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 679 | .open = snd_card_saa7134_capture_open, |
| 680 | .close = snd_card_saa7134_capture_close, |
| 681 | .ioctl = snd_pcm_lib_ioctl, |
| 682 | .hw_params = snd_card_saa7134_hw_params, |
| 683 | .hw_free = snd_card_saa7134_hw_free, |
| 684 | .prepare = snd_card_saa7134_capture_prepare, |
| 685 | .trigger = snd_card_saa7134_capture_trigger, |
| 686 | .pointer = snd_card_saa7134_capture_pointer, |
Alexander E. Patrakov | 32d111a | 2007-10-31 11:40:09 -0300 | [diff] [blame] | 687 | .page = snd_card_saa7134_page, |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 688 | }; |
| 689 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 690 | /* |
| 691 | * ALSA PCM setup |
| 692 | * |
| 693 | * Called when initializing the board. Sets up the name and hooks up |
| 694 | * the callbacks |
| 695 | * |
| 696 | */ |
| 697 | |
| 698 | static int snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 699 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 700 | struct snd_pcm *pcm; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 701 | int err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 702 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 703 | if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 704 | return err; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 705 | snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops); |
| 706 | pcm->private_data = saa7134; |
| 707 | pcm->info_flags = 0; |
| 708 | strcpy(pcm->name, "SAA7134 PCM"); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 709 | return 0; |
| 710 | } |
| 711 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 712 | #define SAA713x_VOLUME(xname, xindex, addr) \ |
| 713 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 714 | .info = snd_saa7134_volume_info, \ |
| 715 | .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \ |
| 716 | .private_value = addr } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 717 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 718 | static int snd_saa7134_volume_info(struct snd_kcontrol * kcontrol, |
| 719 | struct snd_ctl_elem_info * uinfo) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 720 | { |
| 721 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; |
| 722 | uinfo->count = 2; |
| 723 | uinfo->value.integer.min = 0; |
| 724 | uinfo->value.integer.max = 20; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 725 | return 0; |
| 726 | } |
| 727 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 728 | static int snd_saa7134_volume_get(struct snd_kcontrol * kcontrol, |
| 729 | struct snd_ctl_elem_value * ucontrol) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 730 | { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 731 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 732 | int addr = kcontrol->private_value; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 733 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 734 | ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0]; |
| 735 | ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1]; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 736 | return 0; |
| 737 | } |
| 738 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 739 | static int snd_saa7134_volume_put(struct snd_kcontrol * kcontrol, |
| 740 | struct snd_ctl_elem_value * ucontrol) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 741 | { |
| 742 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
Hartmut Hackmann | 5cfbacd | 2006-11-21 19:59:27 -0300 | [diff] [blame] | 743 | struct saa7134_dev *dev = chip->dev; |
| 744 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 745 | int change, addr = kcontrol->private_value; |
| 746 | int left, right; |
| 747 | |
| 748 | left = ucontrol->value.integer.value[0]; |
| 749 | if (left < 0) |
| 750 | left = 0; |
| 751 | if (left > 20) |
| 752 | left = 20; |
| 753 | right = ucontrol->value.integer.value[1]; |
| 754 | if (right < 0) |
| 755 | right = 0; |
| 756 | if (right > 20) |
| 757 | right = 20; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 758 | spin_lock_irq(&chip->mixer_lock); |
Hartmut Hackmann | 5cfbacd | 2006-11-21 19:59:27 -0300 | [diff] [blame] | 759 | change = 0; |
| 760 | if (chip->mixer_volume[addr][0] != left) { |
| 761 | change = 1; |
| 762 | right = left; |
| 763 | } |
| 764 | if (chip->mixer_volume[addr][1] != right) { |
| 765 | change = 1; |
| 766 | left = right; |
| 767 | } |
| 768 | if (change) { |
| 769 | switch (dev->pci->device) { |
| 770 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
| 771 | switch (addr) { |
| 772 | case MIXER_ADDR_TVTUNER: |
| 773 | left = 20; |
| 774 | break; |
| 775 | case MIXER_ADDR_LINE1: |
| 776 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x10, |
| 777 | (left > 10) ? 0x00 : 0x10); |
| 778 | break; |
| 779 | case MIXER_ADDR_LINE2: |
| 780 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x20, |
| 781 | (left > 10) ? 0x00 : 0x20); |
| 782 | break; |
| 783 | } |
| 784 | break; |
| 785 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 786 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
| 787 | switch (addr) { |
| 788 | case MIXER_ADDR_TVTUNER: |
| 789 | left = 20; |
| 790 | break; |
| 791 | case MIXER_ADDR_LINE1: |
| 792 | saa_andorb(0x0594, 0x10, |
| 793 | (left > 10) ? 0x00 : 0x10); |
| 794 | break; |
| 795 | case MIXER_ADDR_LINE2: |
| 796 | saa_andorb(0x0594, 0x20, |
| 797 | (left > 10) ? 0x00 : 0x20); |
| 798 | break; |
| 799 | } |
| 800 | break; |
| 801 | } |
| 802 | chip->mixer_volume[addr][0] = left; |
| 803 | chip->mixer_volume[addr][1] = right; |
| 804 | } |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 805 | spin_unlock_irq(&chip->mixer_lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 806 | return change; |
| 807 | } |
| 808 | |
| 809 | #define SAA713x_CAPSRC(xname, xindex, addr) \ |
| 810 | { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ |
| 811 | .info = snd_saa7134_capsrc_info, \ |
| 812 | .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \ |
| 813 | .private_value = addr } |
| 814 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 815 | static int snd_saa7134_capsrc_info(struct snd_kcontrol * kcontrol, |
| 816 | struct snd_ctl_elem_info * uinfo) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 817 | { |
| 818 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 819 | uinfo->count = 2; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 820 | uinfo->value.integer.min = 0; |
| 821 | uinfo->value.integer.max = 1; |
| 822 | return 0; |
| 823 | } |
| 824 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 825 | static int snd_saa7134_capsrc_get(struct snd_kcontrol * kcontrol, |
| 826 | struct snd_ctl_elem_value * ucontrol) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 827 | { |
| 828 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 829 | int addr = kcontrol->private_value; |
| 830 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 831 | spin_lock_irq(&chip->mixer_lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 832 | ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; |
| 833 | ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 834 | spin_unlock_irq(&chip->mixer_lock); |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 835 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 836 | return 0; |
| 837 | } |
| 838 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 839 | static int snd_saa7134_capsrc_put(struct snd_kcontrol * kcontrol, |
| 840 | struct snd_ctl_elem_value * ucontrol) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 841 | { |
| 842 | snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 843 | int change, addr = kcontrol->private_value; |
| 844 | int left, right; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 845 | u32 anabar, xbarin; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 846 | int analog_io, rate; |
| 847 | struct saa7134_dev *dev; |
| 848 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 849 | dev = chip->dev; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 850 | |
| 851 | left = ucontrol->value.integer.value[0] & 1; |
| 852 | right = ucontrol->value.integer.value[1] & 1; |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 853 | spin_lock_irq(&chip->mixer_lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 854 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 855 | change = chip->capture_source[addr][0] != left || |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 856 | chip->capture_source[addr][1] != right; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 857 | chip->capture_source[addr][0] = left; |
| 858 | chip->capture_source[addr][1] = right; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 859 | dev->dmasound.input=addr; |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 860 | spin_unlock_irq(&chip->mixer_lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 861 | |
| 862 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 863 | if (change) { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 864 | switch (dev->pci->device) { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 865 | |
| 866 | case PCI_DEVICE_ID_PHILIPS_SAA7134: |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 867 | switch (addr) { |
| 868 | case MIXER_ADDR_TVTUNER: |
| 869 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); |
| 870 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); |
| 871 | break; |
| 872 | case MIXER_ADDR_LINE1: |
| 873 | case MIXER_ADDR_LINE2: |
| 874 | analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 875 | rate = (32000 == dev->dmasound.rate) ? 0x01 : 0x03; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 876 | saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); |
| 877 | saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); |
| 878 | saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); |
| 879 | break; |
| 880 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 881 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 882 | break; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 883 | case PCI_DEVICE_ID_PHILIPS_SAA7133: |
| 884 | case PCI_DEVICE_ID_PHILIPS_SAA7135: |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 885 | xbarin = 0x03; // adc |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 886 | anabar = 0; |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 887 | switch (addr) { |
| 888 | case MIXER_ADDR_TVTUNER: |
| 889 | xbarin = 0; // Demodulator |
| 890 | anabar = 2; // DACs |
| 891 | break; |
| 892 | case MIXER_ADDR_LINE1: |
| 893 | anabar = 0; // aux1, aux1 |
| 894 | break; |
| 895 | case MIXER_ADDR_LINE2: |
| 896 | anabar = 9; // aux2, aux2 |
| 897 | break; |
| 898 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 899 | |
Trent Piepho | 657de3c | 2006-06-20 00:30:57 -0300 | [diff] [blame] | 900 | /* output xbar always main channel */ |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 901 | saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 902 | |
| 903 | if (left || right) { // We've got data, turn the input on |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 904 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); |
| 905 | saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 906 | } else { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 907 | saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); |
| 908 | saa_writel(SAA7133_ANALOG_IO_SELECT, 0); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 909 | } |
Ricardo Cerqueira | a866623 | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 910 | break; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 911 | } |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 912 | } |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 913 | |
| 914 | return change; |
| 915 | } |
| 916 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 917 | static struct snd_kcontrol_new snd_saa7134_controls[] = { |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 918 | SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), |
| 919 | SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), |
| 920 | SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), |
| 921 | SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), |
| 922 | SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), |
| 923 | SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 924 | }; |
| 925 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 926 | /* |
| 927 | * ALSA mixer setup |
| 928 | * |
| 929 | * Called when initializing the board. Sets up the name and hooks up |
| 930 | * the callbacks |
| 931 | * |
| 932 | */ |
| 933 | |
| 934 | static int snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 935 | { |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 936 | struct snd_card *card = chip->card; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 937 | unsigned int idx; |
| 938 | int err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 939 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 940 | snd_assert(chip != NULL, return -EINVAL); |
| 941 | strcpy(card->mixername, "SAA7134 Mixer"); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 942 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 943 | for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { |
| 944 | if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) |
| 945 | return err; |
| 946 | } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 947 | return 0; |
| 948 | } |
| 949 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 950 | static void snd_saa7134_free(struct snd_card * card) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 951 | { |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 952 | snd_card_saa7134_t *chip = card->private_data; |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 953 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 954 | if (chip->dev->dmasound.priv_data == NULL) |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 955 | return; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 956 | |
Jeff Garzik | f000fd8 | 2008-04-22 13:50:34 +0200 | [diff] [blame] | 957 | if (chip->irq >= 0) |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 958 | free_irq(chip->irq, &chip->dev->dmasound); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 959 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 960 | chip->dev->dmasound.priv_data = NULL; |
| 961 | |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 962 | } |
| 963 | |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 964 | /* |
| 965 | * ALSA initialization |
| 966 | * |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 967 | * Called by the init routine, once for each saa7134 device present, |
| 968 | * it creates the basic structures and registers the ALSA devices |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 969 | * |
| 970 | */ |
| 971 | |
Adrian Bunk | 943a490 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 972 | static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum) |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 973 | { |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 974 | |
Takashi Iwai | f7cbb7f | 2006-01-13 18:48:06 +0100 | [diff] [blame] | 975 | struct snd_card *card; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 976 | snd_card_saa7134_t *chip; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 977 | int err; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 978 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 979 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 980 | if (devnum >= SNDRV_CARDS) |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 981 | return -ENODEV; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 982 | if (!enable[devnum]) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 983 | return -ENODEV; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 984 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 985 | card = snd_card_new(index[devnum], id[devnum], THIS_MODULE, sizeof(snd_card_saa7134_t)); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 986 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 987 | if (card == NULL) |
| 988 | return -ENOMEM; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 989 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 990 | strcpy(card->driver, "SAA7134"); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 991 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 992 | /* Card "creation" */ |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 993 | |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 994 | card->private_free = snd_saa7134_free; |
| 995 | chip = (snd_card_saa7134_t *) card->private_data; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 996 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 997 | spin_lock_init(&chip->lock); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 998 | spin_lock_init(&chip->mixer_lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 999 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1000 | chip->dev = dev; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1001 | |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1002 | chip->card = card; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 1003 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1004 | chip->pci = dev->pci; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1005 | chip->iobase = pci_resource_start(dev->pci, 0); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1006 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1007 | |
| 1008 | err = request_irq(dev->pci->irq, saa7134_alsa_irq, |
Thomas Gleixner | 8076fe3 | 2006-07-01 19:29:37 -0700 | [diff] [blame] | 1009 | IRQF_SHARED | IRQF_DISABLED, dev->name, |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1010 | (void*) &dev->dmasound); |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1011 | |
| 1012 | if (err < 0) { |
| 1013 | printk(KERN_ERR "%s: can't get IRQ %d for ALSA\n", |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1014 | dev->name, dev->pci->irq); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 1015 | goto __nodev; |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1016 | } |
| 1017 | |
Ricardo Cerqueira | d5ee43a | 2005-11-13 16:08:10 -0800 | [diff] [blame] | 1018 | chip->irq = dev->pci->irq; |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1019 | |
Ingo Molnar | 3593cab | 2006-02-07 06:49:14 -0200 | [diff] [blame] | 1020 | mutex_init(&dev->dmasound.lock); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1021 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1022 | if ((err = snd_card_saa7134_new_mixer(chip)) < 0) |
| 1023 | goto __nodev; |
| 1024 | |
| 1025 | if ((err = snd_card_saa7134_pcm(chip, 0)) < 0) |
| 1026 | goto __nodev; |
Ricardo Cerqueira | b2c15ea | 2005-11-08 21:37:14 -0800 | [diff] [blame] | 1027 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1028 | snd_card_set_dev(card, &chip->pci->dev); |
| 1029 | |
| 1030 | /* End of "creation" */ |
| 1031 | |
| 1032 | strcpy(card->shortname, "SAA7134"); |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1033 | sprintf(card->longname, "%s at 0x%lx irq %d", |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1034 | chip->dev->name, chip->iobase, chip->irq); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1035 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 1036 | printk(KERN_INFO "%s/alsa: %s registered as card %d\n",dev->name,card->longname,index[devnum]); |
| 1037 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1038 | if ((err = snd_card_register(card)) == 0) { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1039 | snd_saa7134_cards[devnum] = card; |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1040 | return 0; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1041 | } |
| 1042 | |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1043 | __nodev: |
| 1044 | snd_card_free(card); |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1045 | return err; |
| 1046 | } |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1047 | |
Ricardo Cerqueira | f5b974c | 2005-12-01 00:51:20 -0800 | [diff] [blame] | 1048 | |
| 1049 | static int alsa_device_init(struct saa7134_dev *dev) |
| 1050 | { |
| 1051 | dev->dmasound.priv_data = dev; |
| 1052 | alsa_card_saa7134_create(dev,dev->nr); |
| 1053 | return 1; |
| 1054 | } |
| 1055 | |
| 1056 | static int alsa_device_exit(struct saa7134_dev *dev) |
| 1057 | { |
| 1058 | |
| 1059 | snd_card_free(snd_saa7134_cards[dev->nr]); |
| 1060 | snd_saa7134_cards[dev->nr] = NULL; |
| 1061 | return 1; |
| 1062 | } |
| 1063 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1064 | /* |
| 1065 | * Module initializer |
| 1066 | * |
| 1067 | * Loops through present saa7134 cards, and assigns an ALSA device |
| 1068 | * to each one |
| 1069 | * |
| 1070 | */ |
| 1071 | |
| 1072 | static int saa7134_alsa_init(void) |
| 1073 | { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1074 | struct saa7134_dev *dev = NULL; |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 1075 | struct list_head *list; |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1076 | |
Adrian Bunk | 166fb6b | 2007-11-21 19:55:52 -0300 | [diff] [blame] | 1077 | saa7134_dmasound_init = alsa_device_init; |
| 1078 | saa7134_dmasound_exit = alsa_device_exit; |
Ricardo Cerqueira | 7bb9529 | 2005-12-20 18:26:26 -0200 | [diff] [blame] | 1079 | |
Mauro Carvalho Chehab | afd1a0c | 2005-12-12 00:37:27 -0800 | [diff] [blame] | 1080 | printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n"); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 1081 | |
| 1082 | list_for_each(list,&saa7134_devlist) { |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1083 | dev = list_entry(list, struct saa7134_dev, devlist); |
Adrian Bunk | 166fb6b | 2007-11-21 19:55:52 -0300 | [diff] [blame] | 1084 | alsa_device_init(dev); |
Ricardo Cerqueira | c817e76 | 2005-11-13 16:07:47 -0800 | [diff] [blame] | 1085 | } |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1086 | |
Ricardo Cerqueira | 4aabf63 | 2005-11-13 16:08:00 -0800 | [diff] [blame] | 1087 | if (dev == NULL) |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1088 | printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n"); |
| 1089 | |
| 1090 | return 0; |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1091 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1092 | } |
| 1093 | |
| 1094 | /* |
| 1095 | * Module destructor |
| 1096 | */ |
| 1097 | |
Adrian Bunk | 943a490 | 2005-12-01 00:51:35 -0800 | [diff] [blame] | 1098 | static void saa7134_alsa_exit(void) |
Ricardo Cerqueira | bd15eba | 2005-11-08 21:37:11 -0800 | [diff] [blame] | 1099 | { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1100 | int idx; |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 1101 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1102 | for (idx = 0; idx < SNDRV_CARDS; idx++) { |
Mauro Carvalho Chehab | 4ac9791 | 2005-11-08 21:37:43 -0800 | [diff] [blame] | 1103 | snd_card_free(snd_saa7134_cards[idx]); |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1104 | } |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 1105 | |
Adrian Bunk | 7845701 | 2006-07-15 15:19:56 -0300 | [diff] [blame] | 1106 | saa7134_dmasound_init = NULL; |
| 1107 | saa7134_dmasound_exit = NULL; |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1108 | printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n"); |
Ricardo Cerqueira | b54134b | 2005-11-08 21:38:54 -0800 | [diff] [blame] | 1109 | |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1110 | return; |
Nickolay V. Shmyrev | 5f7591c | 2005-11-08 21:37:04 -0800 | [diff] [blame] | 1111 | } |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1112 | |
Linus Torvalds | c7ac6b4 | 2005-12-21 14:52:32 -0800 | [diff] [blame] | 1113 | /* We initialize this late, to make sure the sound system is up and running */ |
| 1114 | late_initcall(saa7134_alsa_init); |
Ricardo Cerqueira | 79dd0c69 | 2005-11-08 21:38:53 -0800 | [diff] [blame] | 1115 | module_exit(saa7134_alsa_exit); |
| 1116 | MODULE_LICENSE("GPL"); |
| 1117 | MODULE_AUTHOR("Ricardo Cerqueira"); |
Mauro Carvalho Chehab | 674434c | 2005-12-12 00:37:28 -0800 | [diff] [blame] | 1118 | |
| 1119 | |
| 1120 | |