11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * PMac DBDMA lowlevel functions 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (c) by Takashi Iwai <tiwai@suse.de> 51da177e4SLinus Torvalds * code based on dmasound.c. 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 81da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 91da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or 101da177e4SLinus Torvalds * (at your option) any later version. 111da177e4SLinus Torvalds * 121da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, 131da177e4SLinus Torvalds * but WITHOUT ANY WARRANTY; without even the implied warranty of 141da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 151da177e4SLinus Torvalds * GNU General Public License for more details. 161da177e4SLinus Torvalds * 171da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License 181da177e4SLinus Torvalds * along with this program; if not, write to the Free Software 191da177e4SLinus Torvalds * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 201da177e4SLinus Torvalds */ 211da177e4SLinus Torvalds 221da177e4SLinus Torvalds 231da177e4SLinus Torvalds #include <sound/driver.h> 241da177e4SLinus Torvalds #include <asm/io.h> 251da177e4SLinus Torvalds #include <asm/irq.h> 261da177e4SLinus Torvalds #include <linux/init.h> 271da177e4SLinus Torvalds #include <linux/delay.h> 281da177e4SLinus Torvalds #include <linux/slab.h> 291da177e4SLinus Torvalds #include <linux/interrupt.h> 307bbd8277SBenjamin Herrenschmidt #include <linux/pci.h> 317bbd8277SBenjamin Herrenschmidt #include <linux/dma-mapping.h> 321da177e4SLinus Torvalds #include <sound/core.h> 331da177e4SLinus Torvalds #include "pmac.h" 341da177e4SLinus Torvalds #include <sound/pcm_params.h> 351da177e4SLinus Torvalds #include <asm/pmac_feature.h> 367bbd8277SBenjamin Herrenschmidt #include <asm/pci-bridge.h> 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds 391da177e4SLinus Torvalds /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ 401da177e4SLinus Torvalds static int awacs_freqs[8] = { 411da177e4SLinus Torvalds 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 421da177e4SLinus Torvalds }; 431da177e4SLinus Torvalds /* fixed frequency table for tumbler */ 441da177e4SLinus Torvalds static int tumbler_freqs[1] = { 451da177e4SLinus Torvalds 44100 461da177e4SLinus Torvalds }; 471da177e4SLinus Torvalds 481da177e4SLinus Torvalds /* 491da177e4SLinus Torvalds * allocate DBDMA command arrays 501da177e4SLinus Torvalds */ 5165b29f50STakashi Iwai static int snd_pmac_dbdma_alloc(struct snd_pmac *chip, struct pmac_dbdma *rec, int size) 521da177e4SLinus Torvalds { 537bbd8277SBenjamin Herrenschmidt unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1); 547bbd8277SBenjamin Herrenschmidt 557bbd8277SBenjamin Herrenschmidt rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, 567bbd8277SBenjamin Herrenschmidt &rec->dma_base, GFP_KERNEL); 571da177e4SLinus Torvalds if (rec->space == NULL) 581da177e4SLinus Torvalds return -ENOMEM; 591da177e4SLinus Torvalds rec->size = size; 607bbd8277SBenjamin Herrenschmidt memset(rec->space, 0, rsize); 611da177e4SLinus Torvalds rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); 627bbd8277SBenjamin Herrenschmidt rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); 637bbd8277SBenjamin Herrenschmidt 641da177e4SLinus Torvalds return 0; 651da177e4SLinus Torvalds } 661da177e4SLinus Torvalds 6765b29f50STakashi Iwai static void snd_pmac_dbdma_free(struct snd_pmac *chip, struct pmac_dbdma *rec) 681da177e4SLinus Torvalds { 69367636e8SBenjamin Herrenschmidt if (rec->space) { 707bbd8277SBenjamin Herrenschmidt unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1); 717bbd8277SBenjamin Herrenschmidt 727bbd8277SBenjamin Herrenschmidt dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base); 737bbd8277SBenjamin Herrenschmidt } 741da177e4SLinus Torvalds } 751da177e4SLinus Torvalds 761da177e4SLinus Torvalds 771da177e4SLinus Torvalds /* 781da177e4SLinus Torvalds * pcm stuff 791da177e4SLinus Torvalds */ 801da177e4SLinus Torvalds 811da177e4SLinus Torvalds /* 821da177e4SLinus Torvalds * look up frequency table 831da177e4SLinus Torvalds */ 841da177e4SLinus Torvalds 8565b29f50STakashi Iwai unsigned int snd_pmac_rate_index(struct snd_pmac *chip, struct pmac_stream *rec, unsigned int rate) 861da177e4SLinus Torvalds { 871da177e4SLinus Torvalds int i, ok, found; 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds ok = rec->cur_freqs; 901da177e4SLinus Torvalds if (rate > chip->freq_table[0]) 911da177e4SLinus Torvalds return 0; 921da177e4SLinus Torvalds found = 0; 931da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { 941da177e4SLinus Torvalds if (! (ok & 1)) continue; 951da177e4SLinus Torvalds found = i; 961da177e4SLinus Torvalds if (rate >= chip->freq_table[i]) 971da177e4SLinus Torvalds break; 981da177e4SLinus Torvalds } 991da177e4SLinus Torvalds return found; 1001da177e4SLinus Torvalds } 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds /* 1031da177e4SLinus Torvalds * check whether another stream is active 1041da177e4SLinus Torvalds */ 1051da177e4SLinus Torvalds static inline int another_stream(int stream) 1061da177e4SLinus Torvalds { 1071da177e4SLinus Torvalds return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? 1081da177e4SLinus Torvalds SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 1091da177e4SLinus Torvalds } 1101da177e4SLinus Torvalds 1111da177e4SLinus Torvalds /* 1121da177e4SLinus Torvalds * allocate buffers 1131da177e4SLinus Torvalds */ 11465b29f50STakashi Iwai static int snd_pmac_pcm_hw_params(struct snd_pcm_substream *subs, 11565b29f50STakashi Iwai struct snd_pcm_hw_params *hw_params) 1161da177e4SLinus Torvalds { 1171da177e4SLinus Torvalds return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); 1181da177e4SLinus Torvalds } 1191da177e4SLinus Torvalds 1201da177e4SLinus Torvalds /* 1211da177e4SLinus Torvalds * release buffers 1221da177e4SLinus Torvalds */ 12365b29f50STakashi Iwai static int snd_pmac_pcm_hw_free(struct snd_pcm_substream *subs) 1241da177e4SLinus Torvalds { 1251da177e4SLinus Torvalds snd_pcm_lib_free_pages(subs); 1261da177e4SLinus Torvalds return 0; 1271da177e4SLinus Torvalds } 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvalds /* 1301da177e4SLinus Torvalds * get a stream of the opposite direction 1311da177e4SLinus Torvalds */ 13265b29f50STakashi Iwai static struct pmac_stream *snd_pmac_get_stream(struct snd_pmac *chip, int stream) 1331da177e4SLinus Torvalds { 1341da177e4SLinus Torvalds switch (stream) { 1351da177e4SLinus Torvalds case SNDRV_PCM_STREAM_PLAYBACK: 1361da177e4SLinus Torvalds return &chip->playback; 1371da177e4SLinus Torvalds case SNDRV_PCM_STREAM_CAPTURE: 1381da177e4SLinus Torvalds return &chip->capture; 1391da177e4SLinus Torvalds default: 1401da177e4SLinus Torvalds snd_BUG(); 1411da177e4SLinus Torvalds return NULL; 1421da177e4SLinus Torvalds } 1431da177e4SLinus Torvalds } 1441da177e4SLinus Torvalds 1451da177e4SLinus Torvalds /* 1461da177e4SLinus Torvalds * wait while run status is on 1471da177e4SLinus Torvalds */ 14877933d72SJesper Juhl static inline void 14965b29f50STakashi Iwai snd_pmac_wait_ack(struct pmac_stream *rec) 1501da177e4SLinus Torvalds { 1511da177e4SLinus Torvalds int timeout = 50000; 1521da177e4SLinus Torvalds while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) 1531da177e4SLinus Torvalds udelay(1); 1541da177e4SLinus Torvalds } 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds /* 1571da177e4SLinus Torvalds * set the format and rate to the chip. 1581da177e4SLinus Torvalds * call the lowlevel function if defined (e.g. for AWACS). 1591da177e4SLinus Torvalds */ 16065b29f50STakashi Iwai static void snd_pmac_pcm_set_format(struct snd_pmac *chip) 1611da177e4SLinus Torvalds { 1621da177e4SLinus Torvalds /* set up frequency and format */ 1631da177e4SLinus Torvalds out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); 1641da177e4SLinus Torvalds out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); 1651da177e4SLinus Torvalds if (chip->set_format) 1661da177e4SLinus Torvalds chip->set_format(chip); 1671da177e4SLinus Torvalds } 1681da177e4SLinus Torvalds 1691da177e4SLinus Torvalds /* 1701da177e4SLinus Torvalds * stop the DMA transfer 1711da177e4SLinus Torvalds */ 17265b29f50STakashi Iwai static inline void snd_pmac_dma_stop(struct pmac_stream *rec) 1731da177e4SLinus Torvalds { 1741da177e4SLinus Torvalds out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); 1751da177e4SLinus Torvalds snd_pmac_wait_ack(rec); 1761da177e4SLinus Torvalds } 1771da177e4SLinus Torvalds 1781da177e4SLinus Torvalds /* 1791da177e4SLinus Torvalds * set the command pointer address 1801da177e4SLinus Torvalds */ 18165b29f50STakashi Iwai static inline void snd_pmac_dma_set_command(struct pmac_stream *rec, struct pmac_dbdma *cmd) 1821da177e4SLinus Torvalds { 1831da177e4SLinus Torvalds out_le32(&rec->dma->cmdptr, cmd->addr); 1841da177e4SLinus Torvalds } 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds /* 1871da177e4SLinus Torvalds * start the DMA 1881da177e4SLinus Torvalds */ 18965b29f50STakashi Iwai static inline void snd_pmac_dma_run(struct pmac_stream *rec, int status) 1901da177e4SLinus Torvalds { 1911da177e4SLinus Torvalds out_le32(&rec->dma->control, status | (status << 16)); 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds 1951da177e4SLinus Torvalds /* 1961da177e4SLinus Torvalds * prepare playback/capture stream 1971da177e4SLinus Torvalds */ 19865b29f50STakashi Iwai static int snd_pmac_pcm_prepare(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs) 1991da177e4SLinus Torvalds { 2001da177e4SLinus Torvalds int i; 2011da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 20265b29f50STakashi Iwai struct snd_pcm_runtime *runtime = subs->runtime; 2031da177e4SLinus Torvalds int rate_index; 2041da177e4SLinus Torvalds long offset; 20565b29f50STakashi Iwai struct pmac_stream *astr; 2061da177e4SLinus Torvalds 2071da177e4SLinus Torvalds rec->dma_size = snd_pcm_lib_buffer_bytes(subs); 2081da177e4SLinus Torvalds rec->period_size = snd_pcm_lib_period_bytes(subs); 2091da177e4SLinus Torvalds rec->nperiods = rec->dma_size / rec->period_size; 2101da177e4SLinus Torvalds rec->cur_period = 0; 2111da177e4SLinus Torvalds rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); 2121da177e4SLinus Torvalds 2131da177e4SLinus Torvalds /* set up constraints */ 2141da177e4SLinus Torvalds astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); 2157c22f1aaSTakashi Iwai if (! astr) 2167c22f1aaSTakashi Iwai return -EINVAL; 2171da177e4SLinus Torvalds astr->cur_freqs = 1 << rate_index; 2181da177e4SLinus Torvalds astr->cur_formats = 1 << runtime->format; 2191da177e4SLinus Torvalds chip->rate_index = rate_index; 2201da177e4SLinus Torvalds chip->format = runtime->format; 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds /* We really want to execute a DMA stop command, after the AWACS 2231da177e4SLinus Torvalds * is initialized. 2241da177e4SLinus Torvalds * For reasons I don't understand, it stops the hissing noise 2251da177e4SLinus Torvalds * common to many PowerBook G3 systems and random noise otherwise 2261da177e4SLinus Torvalds * captured on iBook2's about every third time. -ReneR 2271da177e4SLinus Torvalds */ 2281da177e4SLinus Torvalds spin_lock_irq(&chip->reg_lock); 2291da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 2301da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); 2311da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &chip->extra_dma); 2321da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN); 2331da177e4SLinus Torvalds spin_unlock_irq(&chip->reg_lock); 2341da177e4SLinus Torvalds mdelay(5); 2351da177e4SLinus Torvalds spin_lock_irq(&chip->reg_lock); 2361da177e4SLinus Torvalds /* continuous DMA memory type doesn't provide the physical address, 2371da177e4SLinus Torvalds * so we need to resolve the address here... 2381da177e4SLinus Torvalds */ 2397bbd8277SBenjamin Herrenschmidt offset = runtime->dma_addr; 2401da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { 2411da177e4SLinus Torvalds st_le32(&cp->phy_addr, offset); 2421da177e4SLinus Torvalds st_le16(&cp->req_count, rec->period_size); 2431da177e4SLinus Torvalds /*st_le16(&cp->res_count, 0);*/ 2441da177e4SLinus Torvalds st_le16(&cp->xfer_status, 0); 2451da177e4SLinus Torvalds offset += rec->period_size; 2461da177e4SLinus Torvalds } 2471da177e4SLinus Torvalds /* make loop */ 2481da177e4SLinus Torvalds st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); 2491da177e4SLinus Torvalds st_le32(&cp->cmd_dep, rec->cmd.addr); 2501da177e4SLinus Torvalds 2511da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 2521da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &rec->cmd); 2531da177e4SLinus Torvalds spin_unlock_irq(&chip->reg_lock); 2541da177e4SLinus Torvalds 2551da177e4SLinus Torvalds return 0; 2561da177e4SLinus Torvalds } 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds /* 2601da177e4SLinus Torvalds * PCM trigger/stop 2611da177e4SLinus Torvalds */ 26265b29f50STakashi Iwai static int snd_pmac_pcm_trigger(struct snd_pmac *chip, struct pmac_stream *rec, 26365b29f50STakashi Iwai struct snd_pcm_substream *subs, int cmd) 2641da177e4SLinus Torvalds { 2651da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 2661da177e4SLinus Torvalds int i, command; 2671da177e4SLinus Torvalds 2681da177e4SLinus Torvalds switch (cmd) { 2691da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_START: 2701da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_RESUME: 2711da177e4SLinus Torvalds if (rec->running) 2721da177e4SLinus Torvalds return -EBUSY; 2731da177e4SLinus Torvalds command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? 2741da177e4SLinus Torvalds OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; 2751da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 2761da177e4SLinus Torvalds snd_pmac_beep_stop(chip); 2771da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); 2781da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) 2791da177e4SLinus Torvalds out_le16(&cp->command, command); 2801da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &rec->cmd); 2811da177e4SLinus Torvalds (void)in_le32(&rec->dma->status); 2821da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN|WAKE); 2831da177e4SLinus Torvalds rec->running = 1; 2841da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 2851da177e4SLinus Torvalds break; 2861da177e4SLinus Torvalds 2871da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_STOP: 2881da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_SUSPEND: 2891da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 2901da177e4SLinus Torvalds rec->running = 0; 2911da177e4SLinus Torvalds /*printk("stopped!!\n");*/ 2921da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 2931da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) 2941da177e4SLinus Torvalds out_le16(&cp->command, DBDMA_STOP); 2951da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 2961da177e4SLinus Torvalds break; 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds default: 2991da177e4SLinus Torvalds return -EINVAL; 3001da177e4SLinus Torvalds } 3011da177e4SLinus Torvalds 3021da177e4SLinus Torvalds return 0; 3031da177e4SLinus Torvalds } 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds /* 3061da177e4SLinus Torvalds * return the current pointer 3071da177e4SLinus Torvalds */ 3081da177e4SLinus Torvalds inline 30965b29f50STakashi Iwai static snd_pcm_uframes_t snd_pmac_pcm_pointer(struct snd_pmac *chip, 31065b29f50STakashi Iwai struct pmac_stream *rec, 31165b29f50STakashi Iwai struct snd_pcm_substream *subs) 3121da177e4SLinus Torvalds { 3131da177e4SLinus Torvalds int count = 0; 3141da177e4SLinus Torvalds 3151da177e4SLinus Torvalds #if 1 /* hmm.. how can we get the current dma pointer?? */ 3161da177e4SLinus Torvalds int stat; 3171da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period]; 3181da177e4SLinus Torvalds stat = ld_le16(&cp->xfer_status); 3191da177e4SLinus Torvalds if (stat & (ACTIVE|DEAD)) { 3201da177e4SLinus Torvalds count = in_le16(&cp->res_count); 3211da177e4SLinus Torvalds if (count) 3221da177e4SLinus Torvalds count = rec->period_size - count; 3231da177e4SLinus Torvalds } 3241da177e4SLinus Torvalds #endif 3251da177e4SLinus Torvalds count += rec->cur_period * rec->period_size; 3261da177e4SLinus Torvalds /*printk("pointer=%d\n", count);*/ 3271da177e4SLinus Torvalds return bytes_to_frames(subs->runtime, count); 3281da177e4SLinus Torvalds } 3291da177e4SLinus Torvalds 3301da177e4SLinus Torvalds /* 3311da177e4SLinus Torvalds * playback 3321da177e4SLinus Torvalds */ 3331da177e4SLinus Torvalds 33465b29f50STakashi Iwai static int snd_pmac_playback_prepare(struct snd_pcm_substream *subs) 3351da177e4SLinus Torvalds { 33665b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3371da177e4SLinus Torvalds return snd_pmac_pcm_prepare(chip, &chip->playback, subs); 3381da177e4SLinus Torvalds } 3391da177e4SLinus Torvalds 34065b29f50STakashi Iwai static int snd_pmac_playback_trigger(struct snd_pcm_substream *subs, 3411da177e4SLinus Torvalds int cmd) 3421da177e4SLinus Torvalds { 34365b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3441da177e4SLinus Torvalds return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd); 3451da177e4SLinus Torvalds } 3461da177e4SLinus Torvalds 34765b29f50STakashi Iwai static snd_pcm_uframes_t snd_pmac_playback_pointer(struct snd_pcm_substream *subs) 3481da177e4SLinus Torvalds { 34965b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3501da177e4SLinus Torvalds return snd_pmac_pcm_pointer(chip, &chip->playback, subs); 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds 3541da177e4SLinus Torvalds /* 3551da177e4SLinus Torvalds * capture 3561da177e4SLinus Torvalds */ 3571da177e4SLinus Torvalds 35865b29f50STakashi Iwai static int snd_pmac_capture_prepare(struct snd_pcm_substream *subs) 3591da177e4SLinus Torvalds { 36065b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3611da177e4SLinus Torvalds return snd_pmac_pcm_prepare(chip, &chip->capture, subs); 3621da177e4SLinus Torvalds } 3631da177e4SLinus Torvalds 36465b29f50STakashi Iwai static int snd_pmac_capture_trigger(struct snd_pcm_substream *subs, 3651da177e4SLinus Torvalds int cmd) 3661da177e4SLinus Torvalds { 36765b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3681da177e4SLinus Torvalds return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd); 3691da177e4SLinus Torvalds } 3701da177e4SLinus Torvalds 37165b29f50STakashi Iwai static snd_pcm_uframes_t snd_pmac_capture_pointer(struct snd_pcm_substream *subs) 3721da177e4SLinus Torvalds { 37365b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 3741da177e4SLinus Torvalds return snd_pmac_pcm_pointer(chip, &chip->capture, subs); 3751da177e4SLinus Torvalds } 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds /* 3791da177e4SLinus Torvalds * update playback/capture pointer from interrupts 3801da177e4SLinus Torvalds */ 38165b29f50STakashi Iwai static void snd_pmac_pcm_update(struct snd_pmac *chip, struct pmac_stream *rec) 3821da177e4SLinus Torvalds { 3831da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 3841da177e4SLinus Torvalds int c; 3851da177e4SLinus Torvalds int stat; 3861da177e4SLinus Torvalds 3871da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 3881da177e4SLinus Torvalds if (rec->running) { 3891da177e4SLinus Torvalds cp = &rec->cmd.cmds[rec->cur_period]; 3901da177e4SLinus Torvalds for (c = 0; c < rec->nperiods; c++) { /* at most all fragments */ 3911da177e4SLinus Torvalds stat = ld_le16(&cp->xfer_status); 3921da177e4SLinus Torvalds if (! (stat & ACTIVE)) 3931da177e4SLinus Torvalds break; 3941da177e4SLinus Torvalds /*printk("update frag %d\n", rec->cur_period);*/ 3951da177e4SLinus Torvalds st_le16(&cp->xfer_status, 0); 3961da177e4SLinus Torvalds st_le16(&cp->req_count, rec->period_size); 3971da177e4SLinus Torvalds /*st_le16(&cp->res_count, 0);*/ 3981da177e4SLinus Torvalds rec->cur_period++; 3991da177e4SLinus Torvalds if (rec->cur_period >= rec->nperiods) { 4001da177e4SLinus Torvalds rec->cur_period = 0; 4011da177e4SLinus Torvalds cp = rec->cmd.cmds; 4021da177e4SLinus Torvalds } else 4031da177e4SLinus Torvalds cp++; 4041da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 4051da177e4SLinus Torvalds snd_pcm_period_elapsed(rec->substream); 4061da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 4071da177e4SLinus Torvalds } 4081da177e4SLinus Torvalds } 4091da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 4101da177e4SLinus Torvalds } 4111da177e4SLinus Torvalds 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds /* 4141da177e4SLinus Torvalds * hw info 4151da177e4SLinus Torvalds */ 4161da177e4SLinus Torvalds 41765b29f50STakashi Iwai static struct snd_pcm_hardware snd_pmac_playback = 4181da177e4SLinus Torvalds { 4191da177e4SLinus Torvalds .info = (SNDRV_PCM_INFO_INTERLEAVED | 4201da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP | 4211da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP_VALID | 4221da177e4SLinus Torvalds SNDRV_PCM_INFO_RESUME), 4231da177e4SLinus Torvalds .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, 4241da177e4SLinus Torvalds .rates = SNDRV_PCM_RATE_8000_44100, 4251da177e4SLinus Torvalds .rate_min = 7350, 4261da177e4SLinus Torvalds .rate_max = 44100, 4271da177e4SLinus Torvalds .channels_min = 2, 4281da177e4SLinus Torvalds .channels_max = 2, 4291da177e4SLinus Torvalds .buffer_bytes_max = 131072, 4301da177e4SLinus Torvalds .period_bytes_min = 256, 4311da177e4SLinus Torvalds .period_bytes_max = 16384, 4321da177e4SLinus Torvalds .periods_min = 3, 4331da177e4SLinus Torvalds .periods_max = PMAC_MAX_FRAGS, 4341da177e4SLinus Torvalds }; 4351da177e4SLinus Torvalds 43665b29f50STakashi Iwai static struct snd_pcm_hardware snd_pmac_capture = 4371da177e4SLinus Torvalds { 4381da177e4SLinus Torvalds .info = (SNDRV_PCM_INFO_INTERLEAVED | 4391da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP | 4401da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP_VALID | 4411da177e4SLinus Torvalds SNDRV_PCM_INFO_RESUME), 4421da177e4SLinus Torvalds .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, 4431da177e4SLinus Torvalds .rates = SNDRV_PCM_RATE_8000_44100, 4441da177e4SLinus Torvalds .rate_min = 7350, 4451da177e4SLinus Torvalds .rate_max = 44100, 4461da177e4SLinus Torvalds .channels_min = 2, 4471da177e4SLinus Torvalds .channels_max = 2, 4481da177e4SLinus Torvalds .buffer_bytes_max = 131072, 4491da177e4SLinus Torvalds .period_bytes_min = 256, 4501da177e4SLinus Torvalds .period_bytes_max = 16384, 4511da177e4SLinus Torvalds .periods_min = 3, 4521da177e4SLinus Torvalds .periods_max = PMAC_MAX_FRAGS, 4531da177e4SLinus Torvalds }; 4541da177e4SLinus Torvalds 4551da177e4SLinus Torvalds 4561da177e4SLinus Torvalds #if 0 // NYI 45765b29f50STakashi Iwai static int snd_pmac_hw_rule_rate(struct snd_pcm_hw_params *params, 45865b29f50STakashi Iwai struct snd_pcm_hw_rule *rule) 4591da177e4SLinus Torvalds { 46065b29f50STakashi Iwai struct snd_pmac *chip = rule->private; 46165b29f50STakashi Iwai struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); 4621da177e4SLinus Torvalds int i, freq_table[8], num_freqs; 4631da177e4SLinus Torvalds 4647c22f1aaSTakashi Iwai if (! rec) 4657c22f1aaSTakashi Iwai return -EINVAL; 4661da177e4SLinus Torvalds num_freqs = 0; 4671da177e4SLinus Torvalds for (i = chip->num_freqs - 1; i >= 0; i--) { 4681da177e4SLinus Torvalds if (rec->cur_freqs & (1 << i)) 4691da177e4SLinus Torvalds freq_table[num_freqs++] = chip->freq_table[i]; 4701da177e4SLinus Torvalds } 4711da177e4SLinus Torvalds 4721da177e4SLinus Torvalds return snd_interval_list(hw_param_interval(params, rule->var), 4731da177e4SLinus Torvalds num_freqs, freq_table, 0); 4741da177e4SLinus Torvalds } 4751da177e4SLinus Torvalds 47665b29f50STakashi Iwai static int snd_pmac_hw_rule_format(struct snd_pcm_hw_params *params, 47765b29f50STakashi Iwai struct snd_pcm_hw_rule *rule) 4781da177e4SLinus Torvalds { 47965b29f50STakashi Iwai struct snd_pmac *chip = rule->private; 48065b29f50STakashi Iwai struct pmac_stream *rec = snd_pmac_get_stream(chip, rule->deps[0]); 4811da177e4SLinus Torvalds 4827c22f1aaSTakashi Iwai if (! rec) 4837c22f1aaSTakashi Iwai return -EINVAL; 4841da177e4SLinus Torvalds return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), 4851da177e4SLinus Torvalds rec->cur_formats); 4861da177e4SLinus Torvalds } 4871da177e4SLinus Torvalds #endif // NYI 4881da177e4SLinus Torvalds 48965b29f50STakashi Iwai static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec, 49065b29f50STakashi Iwai struct snd_pcm_substream *subs) 4911da177e4SLinus Torvalds { 49265b29f50STakashi Iwai struct snd_pcm_runtime *runtime = subs->runtime; 4931da177e4SLinus Torvalds int i, j, fflags; 4941da177e4SLinus Torvalds static int typical_freqs[] = { 4951da177e4SLinus Torvalds 44100, 4961da177e4SLinus Torvalds 22050, 4971da177e4SLinus Torvalds 11025, 4981da177e4SLinus Torvalds 0, 4991da177e4SLinus Torvalds }; 5001da177e4SLinus Torvalds static int typical_freq_flags[] = { 5011da177e4SLinus Torvalds SNDRV_PCM_RATE_44100, 5021da177e4SLinus Torvalds SNDRV_PCM_RATE_22050, 5031da177e4SLinus Torvalds SNDRV_PCM_RATE_11025, 5041da177e4SLinus Torvalds 0, 5051da177e4SLinus Torvalds }; 5061da177e4SLinus Torvalds 5071da177e4SLinus Torvalds /* look up frequency table and fill bit mask */ 5081da177e4SLinus Torvalds runtime->hw.rates = 0; 5091da177e4SLinus Torvalds fflags = chip->freqs_ok; 5101da177e4SLinus Torvalds for (i = 0; typical_freqs[i]; i++) { 5111da177e4SLinus Torvalds for (j = 0; j < chip->num_freqs; j++) { 5121da177e4SLinus Torvalds if ((chip->freqs_ok & (1 << j)) && 5131da177e4SLinus Torvalds chip->freq_table[j] == typical_freqs[i]) { 5141da177e4SLinus Torvalds runtime->hw.rates |= typical_freq_flags[i]; 5151da177e4SLinus Torvalds fflags &= ~(1 << j); 5161da177e4SLinus Torvalds break; 5171da177e4SLinus Torvalds } 5181da177e4SLinus Torvalds } 5191da177e4SLinus Torvalds } 5201da177e4SLinus Torvalds if (fflags) /* rest */ 5211da177e4SLinus Torvalds runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; 5221da177e4SLinus Torvalds 5231da177e4SLinus Torvalds /* check for minimum and maximum rates */ 5241da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; i++) { 5251da177e4SLinus Torvalds if (chip->freqs_ok & (1 << i)) { 5261da177e4SLinus Torvalds runtime->hw.rate_max = chip->freq_table[i]; 5271da177e4SLinus Torvalds break; 5281da177e4SLinus Torvalds } 5291da177e4SLinus Torvalds } 5301da177e4SLinus Torvalds for (i = chip->num_freqs - 1; i >= 0; i--) { 5311da177e4SLinus Torvalds if (chip->freqs_ok & (1 << i)) { 5321da177e4SLinus Torvalds runtime->hw.rate_min = chip->freq_table[i]; 5331da177e4SLinus Torvalds break; 5341da177e4SLinus Torvalds } 5351da177e4SLinus Torvalds } 5361da177e4SLinus Torvalds runtime->hw.formats = chip->formats_ok; 5371da177e4SLinus Torvalds if (chip->can_capture) { 5381da177e4SLinus Torvalds if (! chip->can_duplex) 5391da177e4SLinus Torvalds runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; 5401da177e4SLinus Torvalds runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; 5411da177e4SLinus Torvalds } 5421da177e4SLinus Torvalds runtime->private_data = rec; 5431da177e4SLinus Torvalds rec->substream = subs; 5441da177e4SLinus Torvalds 5451da177e4SLinus Torvalds #if 0 /* FIXME: still under development.. */ 5461da177e4SLinus Torvalds snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 5471da177e4SLinus Torvalds snd_pmac_hw_rule_rate, chip, rec->stream, -1); 5481da177e4SLinus Torvalds snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, 5491da177e4SLinus Torvalds snd_pmac_hw_rule_format, chip, rec->stream, -1); 5501da177e4SLinus Torvalds #endif 5511da177e4SLinus Torvalds 5521da177e4SLinus Torvalds runtime->hw.periods_max = rec->cmd.size - 1; 5531da177e4SLinus Torvalds 5541da177e4SLinus Torvalds if (chip->can_duplex) 5551da177e4SLinus Torvalds snd_pcm_set_sync(subs); 5561da177e4SLinus Torvalds 5571da177e4SLinus Torvalds /* constraints to fix choppy sound */ 5581da177e4SLinus Torvalds snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 5591da177e4SLinus Torvalds return 0; 5601da177e4SLinus Torvalds } 5611da177e4SLinus Torvalds 56265b29f50STakashi Iwai static int snd_pmac_pcm_close(struct snd_pmac *chip, struct pmac_stream *rec, 56365b29f50STakashi Iwai struct snd_pcm_substream *subs) 5641da177e4SLinus Torvalds { 56565b29f50STakashi Iwai struct pmac_stream *astr; 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); 5707c22f1aaSTakashi Iwai if (! astr) 5717c22f1aaSTakashi Iwai return -EINVAL; 5721da177e4SLinus Torvalds 5731da177e4SLinus Torvalds /* reset constraints */ 5741da177e4SLinus Torvalds astr->cur_freqs = chip->freqs_ok; 5751da177e4SLinus Torvalds astr->cur_formats = chip->formats_ok; 5761da177e4SLinus Torvalds 5771da177e4SLinus Torvalds return 0; 5781da177e4SLinus Torvalds } 5791da177e4SLinus Torvalds 58065b29f50STakashi Iwai static int snd_pmac_playback_open(struct snd_pcm_substream *subs) 5811da177e4SLinus Torvalds { 58265b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 5831da177e4SLinus Torvalds 5841da177e4SLinus Torvalds subs->runtime->hw = snd_pmac_playback; 5851da177e4SLinus Torvalds return snd_pmac_pcm_open(chip, &chip->playback, subs); 5861da177e4SLinus Torvalds } 5871da177e4SLinus Torvalds 58865b29f50STakashi Iwai static int snd_pmac_capture_open(struct snd_pcm_substream *subs) 5891da177e4SLinus Torvalds { 59065b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 5911da177e4SLinus Torvalds 5921da177e4SLinus Torvalds subs->runtime->hw = snd_pmac_capture; 5931da177e4SLinus Torvalds return snd_pmac_pcm_open(chip, &chip->capture, subs); 5941da177e4SLinus Torvalds } 5951da177e4SLinus Torvalds 59665b29f50STakashi Iwai static int snd_pmac_playback_close(struct snd_pcm_substream *subs) 5971da177e4SLinus Torvalds { 59865b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 5991da177e4SLinus Torvalds 6001da177e4SLinus Torvalds return snd_pmac_pcm_close(chip, &chip->playback, subs); 6011da177e4SLinus Torvalds } 6021da177e4SLinus Torvalds 60365b29f50STakashi Iwai static int snd_pmac_capture_close(struct snd_pcm_substream *subs) 6041da177e4SLinus Torvalds { 60565b29f50STakashi Iwai struct snd_pmac *chip = snd_pcm_substream_chip(subs); 6061da177e4SLinus Torvalds 6071da177e4SLinus Torvalds return snd_pmac_pcm_close(chip, &chip->capture, subs); 6081da177e4SLinus Torvalds } 6091da177e4SLinus Torvalds 6101da177e4SLinus Torvalds /* 6111da177e4SLinus Torvalds */ 6121da177e4SLinus Torvalds 61365b29f50STakashi Iwai static struct snd_pcm_ops snd_pmac_playback_ops = { 6141da177e4SLinus Torvalds .open = snd_pmac_playback_open, 6151da177e4SLinus Torvalds .close = snd_pmac_playback_close, 6161da177e4SLinus Torvalds .ioctl = snd_pcm_lib_ioctl, 6171da177e4SLinus Torvalds .hw_params = snd_pmac_pcm_hw_params, 6181da177e4SLinus Torvalds .hw_free = snd_pmac_pcm_hw_free, 6191da177e4SLinus Torvalds .prepare = snd_pmac_playback_prepare, 6201da177e4SLinus Torvalds .trigger = snd_pmac_playback_trigger, 6211da177e4SLinus Torvalds .pointer = snd_pmac_playback_pointer, 6221da177e4SLinus Torvalds }; 6231da177e4SLinus Torvalds 62465b29f50STakashi Iwai static struct snd_pcm_ops snd_pmac_capture_ops = { 6251da177e4SLinus Torvalds .open = snd_pmac_capture_open, 6261da177e4SLinus Torvalds .close = snd_pmac_capture_close, 6271da177e4SLinus Torvalds .ioctl = snd_pcm_lib_ioctl, 6281da177e4SLinus Torvalds .hw_params = snd_pmac_pcm_hw_params, 6291da177e4SLinus Torvalds .hw_free = snd_pmac_pcm_hw_free, 6301da177e4SLinus Torvalds .prepare = snd_pmac_capture_prepare, 6311da177e4SLinus Torvalds .trigger = snd_pmac_capture_trigger, 6321da177e4SLinus Torvalds .pointer = snd_pmac_capture_pointer, 6331da177e4SLinus Torvalds }; 6341da177e4SLinus Torvalds 63565b29f50STakashi Iwai int __init snd_pmac_pcm_new(struct snd_pmac *chip) 6361da177e4SLinus Torvalds { 63765b29f50STakashi Iwai struct snd_pcm *pcm; 6381da177e4SLinus Torvalds int err; 6391da177e4SLinus Torvalds int num_captures = 1; 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvalds if (! chip->can_capture) 6421da177e4SLinus Torvalds num_captures = 0; 6431da177e4SLinus Torvalds err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm); 6441da177e4SLinus Torvalds if (err < 0) 6451da177e4SLinus Torvalds return err; 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_pmac_playback_ops); 6481da177e4SLinus Torvalds if (chip->can_capture) 6491da177e4SLinus Torvalds snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops); 6501da177e4SLinus Torvalds 6511da177e4SLinus Torvalds pcm->private_data = chip; 6521da177e4SLinus Torvalds pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; 6531da177e4SLinus Torvalds strcpy(pcm->name, chip->card->shortname); 6541da177e4SLinus Torvalds chip->pcm = pcm; 6551da177e4SLinus Torvalds 6561da177e4SLinus Torvalds chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; 6571da177e4SLinus Torvalds if (chip->can_byte_swap) 6581da177e4SLinus Torvalds chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; 6591da177e4SLinus Torvalds 6601da177e4SLinus Torvalds chip->playback.cur_formats = chip->formats_ok; 6611da177e4SLinus Torvalds chip->capture.cur_formats = chip->formats_ok; 6621da177e4SLinus Torvalds chip->playback.cur_freqs = chip->freqs_ok; 6631da177e4SLinus Torvalds chip->capture.cur_freqs = chip->freqs_ok; 6641da177e4SLinus Torvalds 6651da177e4SLinus Torvalds /* preallocate 64k buffer */ 6667bbd8277SBenjamin Herrenschmidt snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 6677bbd8277SBenjamin Herrenschmidt &chip->pdev->dev, 6681da177e4SLinus Torvalds 64 * 1024, 64 * 1024); 6691da177e4SLinus Torvalds 6701da177e4SLinus Torvalds return 0; 6711da177e4SLinus Torvalds } 6721da177e4SLinus Torvalds 6731da177e4SLinus Torvalds 67465b29f50STakashi Iwai static void snd_pmac_dbdma_reset(struct snd_pmac *chip) 6751da177e4SLinus Torvalds { 6761da177e4SLinus Torvalds out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); 6771da177e4SLinus Torvalds snd_pmac_wait_ack(&chip->playback); 6781da177e4SLinus Torvalds out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); 6791da177e4SLinus Torvalds snd_pmac_wait_ack(&chip->capture); 6801da177e4SLinus Torvalds } 6811da177e4SLinus Torvalds 6821da177e4SLinus Torvalds 6831da177e4SLinus Torvalds /* 6841da177e4SLinus Torvalds * handling beep 6851da177e4SLinus Torvalds */ 68665b29f50STakashi Iwai void snd_pmac_beep_dma_start(struct snd_pmac *chip, int bytes, unsigned long addr, int speed) 6871da177e4SLinus Torvalds { 68865b29f50STakashi Iwai struct pmac_stream *rec = &chip->playback; 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 6911da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->req_count, bytes); 6921da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->xfer_status, 0); 6931da177e4SLinus Torvalds st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); 6941da177e4SLinus Torvalds st_le32(&chip->extra_dma.cmds->phy_addr, addr); 6951da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); 6961da177e4SLinus Torvalds out_le32(&chip->awacs->control, 6971da177e4SLinus Torvalds (in_le32(&chip->awacs->control) & ~0x1f00) 6981da177e4SLinus Torvalds | (speed << 8)); 6991da177e4SLinus Torvalds out_le32(&chip->awacs->byteswap, 0); 7001da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &chip->extra_dma); 7011da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN); 7021da177e4SLinus Torvalds } 7031da177e4SLinus Torvalds 70465b29f50STakashi Iwai void snd_pmac_beep_dma_stop(struct snd_pmac *chip) 7051da177e4SLinus Torvalds { 7061da177e4SLinus Torvalds snd_pmac_dma_stop(&chip->playback); 7071da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); 7081da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); /* reset format */ 7091da177e4SLinus Torvalds } 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds 7121da177e4SLinus Torvalds /* 7131da177e4SLinus Torvalds * interrupt handlers 7141da177e4SLinus Torvalds */ 7151da177e4SLinus Torvalds static irqreturn_t 7161da177e4SLinus Torvalds snd_pmac_tx_intr(int irq, void *devid, struct pt_regs *regs) 7171da177e4SLinus Torvalds { 71865b29f50STakashi Iwai struct snd_pmac *chip = devid; 7191da177e4SLinus Torvalds snd_pmac_pcm_update(chip, &chip->playback); 7201da177e4SLinus Torvalds return IRQ_HANDLED; 7211da177e4SLinus Torvalds } 7221da177e4SLinus Torvalds 7231da177e4SLinus Torvalds 7241da177e4SLinus Torvalds static irqreturn_t 7251da177e4SLinus Torvalds snd_pmac_rx_intr(int irq, void *devid, struct pt_regs *regs) 7261da177e4SLinus Torvalds { 72765b29f50STakashi Iwai struct snd_pmac *chip = devid; 7281da177e4SLinus Torvalds snd_pmac_pcm_update(chip, &chip->capture); 7291da177e4SLinus Torvalds return IRQ_HANDLED; 7301da177e4SLinus Torvalds } 7311da177e4SLinus Torvalds 7321da177e4SLinus Torvalds 7331da177e4SLinus Torvalds static irqreturn_t 7341da177e4SLinus Torvalds snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs) 7351da177e4SLinus Torvalds { 73665b29f50STakashi Iwai struct snd_pmac *chip = devid; 7371da177e4SLinus Torvalds int ctrl = in_le32(&chip->awacs->control); 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ 7401da177e4SLinus Torvalds if (ctrl & MASK_PORTCHG) { 7411da177e4SLinus Torvalds /* do something when headphone is plugged/unplugged? */ 7421da177e4SLinus Torvalds if (chip->update_automute) 7431da177e4SLinus Torvalds chip->update_automute(chip, 1); 7441da177e4SLinus Torvalds } 7451da177e4SLinus Torvalds if (ctrl & MASK_CNTLERR) { 7461da177e4SLinus Torvalds int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; 7471da177e4SLinus Torvalds if (err && chip->model <= PMAC_SCREAMER) 7481da177e4SLinus Torvalds snd_printk(KERN_DEBUG "error %x\n", err); 7491da177e4SLinus Torvalds } 7501da177e4SLinus Torvalds /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ 7511da177e4SLinus Torvalds out_le32(&chip->awacs->control, ctrl); 7521da177e4SLinus Torvalds return IRQ_HANDLED; 7531da177e4SLinus Torvalds } 7541da177e4SLinus Torvalds 7551da177e4SLinus Torvalds 7561da177e4SLinus Torvalds /* 7571da177e4SLinus Torvalds * a wrapper to feature call for compatibility 7581da177e4SLinus Torvalds */ 75965b29f50STakashi Iwai static void snd_pmac_sound_feature(struct snd_pmac *chip, int enable) 7601da177e4SLinus Torvalds { 7614e6a06eeSDavid Woodhouse if (ppc_md.feature_call) 7621da177e4SLinus Torvalds ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); 7631da177e4SLinus Torvalds } 7641da177e4SLinus Torvalds 7651da177e4SLinus Torvalds /* 7661da177e4SLinus Torvalds * release resources 7671da177e4SLinus Torvalds */ 7681da177e4SLinus Torvalds 76965b29f50STakashi Iwai static int snd_pmac_free(struct snd_pmac *chip) 7701da177e4SLinus Torvalds { 7711da177e4SLinus Torvalds /* stop sounds */ 7721da177e4SLinus Torvalds if (chip->initialized) { 7731da177e4SLinus Torvalds snd_pmac_dbdma_reset(chip); 7741da177e4SLinus Torvalds /* disable interrupts from awacs interface */ 7751da177e4SLinus Torvalds out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); 7761da177e4SLinus Torvalds } 7771da177e4SLinus Torvalds 7781da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 0); 7791da177e4SLinus Torvalds 7801da177e4SLinus Torvalds /* clean up mixer if any */ 7811da177e4SLinus Torvalds if (chip->mixer_free) 7821da177e4SLinus Torvalds chip->mixer_free(chip); 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvalds snd_pmac_detach_beep(chip); 7851da177e4SLinus Torvalds 7861da177e4SLinus Torvalds /* release resources */ 7871da177e4SLinus Torvalds if (chip->irq >= 0) 7881da177e4SLinus Torvalds free_irq(chip->irq, (void*)chip); 7891da177e4SLinus Torvalds if (chip->tx_irq >= 0) 7901da177e4SLinus Torvalds free_irq(chip->tx_irq, (void*)chip); 7911da177e4SLinus Torvalds if (chip->rx_irq >= 0) 7921da177e4SLinus Torvalds free_irq(chip->rx_irq, (void*)chip); 7937bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->playback.cmd); 7947bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->capture.cmd); 7957bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->extra_dma); 7961da177e4SLinus Torvalds if (chip->macio_base) 7971da177e4SLinus Torvalds iounmap(chip->macio_base); 7981da177e4SLinus Torvalds if (chip->latch_base) 7991da177e4SLinus Torvalds iounmap(chip->latch_base); 8001da177e4SLinus Torvalds if (chip->awacs) 8011da177e4SLinus Torvalds iounmap(chip->awacs); 8021da177e4SLinus Torvalds if (chip->playback.dma) 8031da177e4SLinus Torvalds iounmap(chip->playback.dma); 8041da177e4SLinus Torvalds if (chip->capture.dma) 8051da177e4SLinus Torvalds iounmap(chip->capture.dma); 806cc5d0189SBenjamin Herrenschmidt 8071da177e4SLinus Torvalds if (chip->node) { 8087bbd8277SBenjamin Herrenschmidt int i; 8091da177e4SLinus Torvalds for (i = 0; i < 3; i++) { 810cc5d0189SBenjamin Herrenschmidt if (chip->requested & (1 << i)) 811cc5d0189SBenjamin Herrenschmidt release_mem_region(chip->rsrc[i].start, 812cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].end - 813cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].start + 1); 8141da177e4SLinus Torvalds } 8151da177e4SLinus Torvalds } 816cc5d0189SBenjamin Herrenschmidt 8177bbd8277SBenjamin Herrenschmidt if (chip->pdev) 8187bbd8277SBenjamin Herrenschmidt pci_dev_put(chip->pdev); 8191da177e4SLinus Torvalds kfree(chip); 8201da177e4SLinus Torvalds return 0; 8211da177e4SLinus Torvalds } 8221da177e4SLinus Torvalds 8231da177e4SLinus Torvalds 8241da177e4SLinus Torvalds /* 8251da177e4SLinus Torvalds * free the device 8261da177e4SLinus Torvalds */ 82765b29f50STakashi Iwai static int snd_pmac_dev_free(struct snd_device *device) 8281da177e4SLinus Torvalds { 82965b29f50STakashi Iwai struct snd_pmac *chip = device->device_data; 8301da177e4SLinus Torvalds return snd_pmac_free(chip); 8311da177e4SLinus Torvalds } 8321da177e4SLinus Torvalds 8331da177e4SLinus Torvalds 8341da177e4SLinus Torvalds /* 8351da177e4SLinus Torvalds * check the machine support byteswap (little-endian) 8361da177e4SLinus Torvalds */ 8371da177e4SLinus Torvalds 83865b29f50STakashi Iwai static void __init detect_byte_swap(struct snd_pmac *chip) 8391da177e4SLinus Torvalds { 8401da177e4SLinus Torvalds struct device_node *mio; 8411da177e4SLinus Torvalds 8421da177e4SLinus Torvalds /* if seems that Keylargo can't byte-swap */ 8431da177e4SLinus Torvalds for (mio = chip->node->parent; mio; mio = mio->parent) { 8441da177e4SLinus Torvalds if (strcmp(mio->name, "mac-io") == 0) { 8451da177e4SLinus Torvalds if (device_is_compatible(mio, "Keylargo")) 8461da177e4SLinus Torvalds chip->can_byte_swap = 0; 8471da177e4SLinus Torvalds break; 8481da177e4SLinus Torvalds } 8491da177e4SLinus Torvalds } 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvalds /* it seems the Pismo & iBook can't byte-swap in hardware. */ 8521da177e4SLinus Torvalds if (machine_is_compatible("PowerBook3,1") || 8531da177e4SLinus Torvalds machine_is_compatible("PowerBook2,1")) 8541da177e4SLinus Torvalds chip->can_byte_swap = 0 ; 8551da177e4SLinus Torvalds 8561da177e4SLinus Torvalds if (machine_is_compatible("PowerBook2,1")) 8571da177e4SLinus Torvalds chip->can_duplex = 0; 8581da177e4SLinus Torvalds } 8591da177e4SLinus Torvalds 8601da177e4SLinus Torvalds 8611da177e4SLinus Torvalds /* 8621da177e4SLinus Torvalds * detect a sound chip 8631da177e4SLinus Torvalds */ 86465b29f50STakashi Iwai static int __init snd_pmac_detect(struct snd_pmac *chip) 8651da177e4SLinus Torvalds { 8665218064cSBenjamin Herrenschmidt struct device_node *sound = NULL; 8671da177e4SLinus Torvalds unsigned int *prop, l; 8687bbd8277SBenjamin Herrenschmidt struct macio_chip* macio; 8697bbd8277SBenjamin Herrenschmidt 870b75550e1SBenjamin Herrenschmidt u32 layout_id = 0; 8711da177e4SLinus Torvalds 872e8222502SBenjamin Herrenschmidt if (!machine_is(powermac)) 8731da177e4SLinus Torvalds return -ENODEV; 8741da177e4SLinus Torvalds 8751da177e4SLinus Torvalds chip->subframe = 0; 8761da177e4SLinus Torvalds chip->revision = 0; 8771da177e4SLinus Torvalds chip->freqs_ok = 0xff; /* all ok */ 8781da177e4SLinus Torvalds chip->model = PMAC_AWACS; 8791da177e4SLinus Torvalds chip->can_byte_swap = 1; 8801da177e4SLinus Torvalds chip->can_duplex = 1; 8811da177e4SLinus Torvalds chip->can_capture = 1; 8821da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(awacs_freqs); 8831da177e4SLinus Torvalds chip->freq_table = awacs_freqs; 884367636e8SBenjamin Herrenschmidt chip->pdev = NULL; 8851da177e4SLinus Torvalds 8861da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */ 8871da177e4SLinus Torvalds 8881da177e4SLinus Torvalds /* check machine type */ 8891da177e4SLinus Torvalds if (machine_is_compatible("AAPL,3400/2400") 8901da177e4SLinus Torvalds || machine_is_compatible("AAPL,3500")) 8911da177e4SLinus Torvalds chip->is_pbook_3400 = 1; 8921da177e4SLinus Torvalds else if (machine_is_compatible("PowerBook1,1") 8931da177e4SLinus Torvalds || machine_is_compatible("AAPL,PowerBook1998")) 8941da177e4SLinus Torvalds chip->is_pbook_G3 = 1; 8951da177e4SLinus Torvalds chip->node = find_devices("awacs"); 8961da177e4SLinus Torvalds if (chip->node) 8975218064cSBenjamin Herrenschmidt sound = chip->node; 8981da177e4SLinus Torvalds 8991da177e4SLinus Torvalds /* 9001da177e4SLinus Torvalds * powermac G3 models have a node called "davbus" 9011da177e4SLinus Torvalds * with a child called "sound". 9021da177e4SLinus Torvalds */ 9035218064cSBenjamin Herrenschmidt if (!chip->node) 9041da177e4SLinus Torvalds chip->node = find_devices("davbus"); 9051da177e4SLinus Torvalds /* 9061da177e4SLinus Torvalds * if we didn't find a davbus device, try 'i2s-a' since 9071da177e4SLinus Torvalds * this seems to be what iBooks have 9081da177e4SLinus Torvalds */ 9097bbd8277SBenjamin Herrenschmidt if (! chip->node) { 9101da177e4SLinus Torvalds chip->node = find_devices("i2s-a"); 9115218064cSBenjamin Herrenschmidt if (chip->node && chip->node->parent && 9125218064cSBenjamin Herrenschmidt chip->node->parent->parent) { 9137bbd8277SBenjamin Herrenschmidt if (device_is_compatible(chip->node->parent->parent, 9147bbd8277SBenjamin Herrenschmidt "K2-Keylargo")) 9157bbd8277SBenjamin Herrenschmidt chip->is_k2 = 1; 9167bbd8277SBenjamin Herrenschmidt } 9177bbd8277SBenjamin Herrenschmidt } 9181da177e4SLinus Torvalds if (! chip->node) 9191da177e4SLinus Torvalds return -ENODEV; 9207bbd8277SBenjamin Herrenschmidt 9215218064cSBenjamin Herrenschmidt if (!sound) { 9221da177e4SLinus Torvalds sound = find_devices("sound"); 9231da177e4SLinus Torvalds while (sound && sound->parent != chip->node) 9241da177e4SLinus Torvalds sound = sound->next; 9255218064cSBenjamin Herrenschmidt } 9261da177e4SLinus Torvalds if (! sound) 9271da177e4SLinus Torvalds return -ENODEV; 9281da177e4SLinus Torvalds prop = (unsigned int *) get_property(sound, "sub-frame", NULL); 9291da177e4SLinus Torvalds if (prop && *prop < 16) 9301da177e4SLinus Torvalds chip->subframe = *prop; 931b75550e1SBenjamin Herrenschmidt prop = (unsigned int *) get_property(sound, "layout-id", NULL); 932b75550e1SBenjamin Herrenschmidt if (prop) 933b75550e1SBenjamin Herrenschmidt layout_id = *prop; 9341da177e4SLinus Torvalds /* This should be verified on older screamers */ 9351da177e4SLinus Torvalds if (device_is_compatible(sound, "screamer")) { 9361da177e4SLinus Torvalds chip->model = PMAC_SCREAMER; 9371da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9381da177e4SLinus Torvalds } 9391da177e4SLinus Torvalds if (device_is_compatible(sound, "burgundy")) { 9401da177e4SLinus Torvalds chip->model = PMAC_BURGUNDY; 9411da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9421da177e4SLinus Torvalds } 9431da177e4SLinus Torvalds if (device_is_compatible(sound, "daca")) { 9441da177e4SLinus Torvalds chip->model = PMAC_DACA; 9451da177e4SLinus Torvalds chip->can_capture = 0; /* no capture */ 9461da177e4SLinus Torvalds chip->can_duplex = 0; 9471da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9481da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9491da177e4SLinus Torvalds } 9501da177e4SLinus Torvalds if (device_is_compatible(sound, "tumbler")) { 9511da177e4SLinus Torvalds chip->model = PMAC_TUMBLER; 9521da177e4SLinus Torvalds chip->can_capture = 0; /* no capture */ 9531da177e4SLinus Torvalds chip->can_duplex = 0; 9541da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9551da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9561da177e4SLinus Torvalds chip->freq_table = tumbler_freqs; 9571da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9581da177e4SLinus Torvalds } 9591da177e4SLinus Torvalds if (device_is_compatible(sound, "snapper")) { 9601da177e4SLinus Torvalds chip->model = PMAC_SNAPPER; 9611da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9621da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9631da177e4SLinus Torvalds chip->freq_table = tumbler_freqs; 9641da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9651da177e4SLinus Torvalds } 966b75550e1SBenjamin Herrenschmidt if (device_is_compatible(sound, "AOAKeylargo") || 9677bbd8277SBenjamin Herrenschmidt device_is_compatible(sound, "AOAbase") || 9687bbd8277SBenjamin Herrenschmidt device_is_compatible(sound, "AOAK2")) { 969b75550e1SBenjamin Herrenschmidt /* For now, only support very basic TAS3004 based machines with 970b75550e1SBenjamin Herrenschmidt * single frequency until proper i2s control is implemented 971b75550e1SBenjamin Herrenschmidt */ 972b75550e1SBenjamin Herrenschmidt switch(layout_id) { 9737bbd8277SBenjamin Herrenschmidt case 0x24: 9747cd01dd8SKyle Moffett case 0x29: 9757cd01dd8SKyle Moffett case 0x33: 9767cd01dd8SKyle Moffett case 0x46: 9777cd01dd8SKyle Moffett case 0x48: 9781e8bdcafSTakashi Iwai case 0x50: 979821690cdSVincent Pelletier case 0x5c: 980b75550e1SBenjamin Herrenschmidt chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9811da177e4SLinus Torvalds chip->model = PMAC_SNAPPER; 982b75550e1SBenjamin Herrenschmidt chip->can_byte_swap = 0; /* FIXME: check this */ 9831da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */ 9841f7b49d0SBenjamin Herrenschmidt break; 9851f7b49d0SBenjamin Herrenschmidt case 0x3a: 9861f7b49d0SBenjamin Herrenschmidt chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9871f7b49d0SBenjamin Herrenschmidt chip->model = PMAC_TOONIE; 9881f7b49d0SBenjamin Herrenschmidt chip->can_byte_swap = 0; /* FIXME: check this */ 9891f7b49d0SBenjamin Herrenschmidt chip->control_mask = MASK_IEPC | 0x11;/* disable IEE */ 990b75550e1SBenjamin Herrenschmidt break; 991cc5d0189SBenjamin Herrenschmidt default: 992cc5d0189SBenjamin Herrenschmidt printk(KERN_ERR "snd: Unknown layout ID 0x%x\n", 993cc5d0189SBenjamin Herrenschmidt layout_id); 994cc5d0189SBenjamin Herrenschmidt return -ENODEV; 995cc5d0189SBenjamin Herrenschmidt 996b75550e1SBenjamin Herrenschmidt } 9971da177e4SLinus Torvalds } 9981da177e4SLinus Torvalds prop = (unsigned int *)get_property(sound, "device-id", NULL); 9991da177e4SLinus Torvalds if (prop) 10001da177e4SLinus Torvalds chip->device_id = *prop; 10011da177e4SLinus Torvalds chip->has_iic = (find_devices("perch") != NULL); 10021da177e4SLinus Torvalds 10037bbd8277SBenjamin Herrenschmidt /* We need the PCI device for DMA allocations, let's use a crude method 10047bbd8277SBenjamin Herrenschmidt * for now ... 10057bbd8277SBenjamin Herrenschmidt */ 10067bbd8277SBenjamin Herrenschmidt macio = macio_find(chip->node, macio_unknown); 10077bbd8277SBenjamin Herrenschmidt if (macio == NULL) 10087bbd8277SBenjamin Herrenschmidt printk(KERN_WARNING "snd-powermac: can't locate macio !\n"); 10097bbd8277SBenjamin Herrenschmidt else { 10107bbd8277SBenjamin Herrenschmidt struct pci_dev *pdev = NULL; 10117bbd8277SBenjamin Herrenschmidt 10127bbd8277SBenjamin Herrenschmidt for_each_pci_dev(pdev) { 10137bbd8277SBenjamin Herrenschmidt struct device_node *np = pci_device_to_OF_node(pdev); 10147bbd8277SBenjamin Herrenschmidt if (np && np == macio->of_node) { 10157bbd8277SBenjamin Herrenschmidt chip->pdev = pdev; 10167bbd8277SBenjamin Herrenschmidt break; 10177bbd8277SBenjamin Herrenschmidt } 10187bbd8277SBenjamin Herrenschmidt } 10197bbd8277SBenjamin Herrenschmidt } 10207bbd8277SBenjamin Herrenschmidt if (chip->pdev == NULL) 10215218064cSBenjamin Herrenschmidt printk(KERN_WARNING "snd-powermac: can't locate macio PCI" 10225218064cSBenjamin Herrenschmidt " device !\n"); 10237bbd8277SBenjamin Herrenschmidt 10241da177e4SLinus Torvalds detect_byte_swap(chip); 10251da177e4SLinus Torvalds 10261da177e4SLinus Torvalds /* look for a property saying what sample rates 10271da177e4SLinus Torvalds are available */ 10281da177e4SLinus Torvalds prop = (unsigned int *) get_property(sound, "sample-rates", &l); 10291da177e4SLinus Torvalds if (! prop) 10305218064cSBenjamin Herrenschmidt prop = (unsigned int *) get_property(sound, 10315218064cSBenjamin Herrenschmidt "output-frame-rates", &l); 10321da177e4SLinus Torvalds if (prop) { 10331da177e4SLinus Torvalds int i; 10341da177e4SLinus Torvalds chip->freqs_ok = 0; 10351da177e4SLinus Torvalds for (l /= sizeof(int); l > 0; --l) { 10361da177e4SLinus Torvalds unsigned int r = *prop++; 10371da177e4SLinus Torvalds /* Apple 'Fixed' format */ 10381da177e4SLinus Torvalds if (r >= 0x10000) 10391da177e4SLinus Torvalds r >>= 16; 10401da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; ++i) { 10411da177e4SLinus Torvalds if (r == chip->freq_table[i]) { 10421da177e4SLinus Torvalds chip->freqs_ok |= (1 << i); 10431da177e4SLinus Torvalds break; 10441da177e4SLinus Torvalds } 10451da177e4SLinus Torvalds } 10461da177e4SLinus Torvalds } 10471da177e4SLinus Torvalds } else { 10481da177e4SLinus Torvalds /* assume only 44.1khz */ 10491da177e4SLinus Torvalds chip->freqs_ok = 1; 10501da177e4SLinus Torvalds } 10511da177e4SLinus Torvalds 10521da177e4SLinus Torvalds return 0; 10531da177e4SLinus Torvalds } 10541da177e4SLinus Torvalds 10551da177e4SLinus Torvalds /* 10561da177e4SLinus Torvalds * exported - boolean info callbacks for ease of programming 10571da177e4SLinus Torvalds */ 105865b29f50STakashi Iwai int snd_pmac_boolean_stereo_info(struct snd_kcontrol *kcontrol, 105965b29f50STakashi Iwai struct snd_ctl_elem_info *uinfo) 10601da177e4SLinus Torvalds { 10611da177e4SLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 10621da177e4SLinus Torvalds uinfo->count = 2; 10631da177e4SLinus Torvalds uinfo->value.integer.min = 0; 10641da177e4SLinus Torvalds uinfo->value.integer.max = 1; 10651da177e4SLinus Torvalds return 0; 10661da177e4SLinus Torvalds } 10671da177e4SLinus Torvalds 106865b29f50STakashi Iwai int snd_pmac_boolean_mono_info(struct snd_kcontrol *kcontrol, 106965b29f50STakashi Iwai struct snd_ctl_elem_info *uinfo) 10701da177e4SLinus Torvalds { 10711da177e4SLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 10721da177e4SLinus Torvalds uinfo->count = 1; 10731da177e4SLinus Torvalds uinfo->value.integer.min = 0; 10741da177e4SLinus Torvalds uinfo->value.integer.max = 1; 10751da177e4SLinus Torvalds return 0; 10761da177e4SLinus Torvalds } 10771da177e4SLinus Torvalds 10781da177e4SLinus Torvalds #ifdef PMAC_SUPPORT_AUTOMUTE 10791da177e4SLinus Torvalds /* 10801da177e4SLinus Torvalds * auto-mute 10811da177e4SLinus Torvalds */ 108265b29f50STakashi Iwai static int pmac_auto_mute_get(struct snd_kcontrol *kcontrol, 108365b29f50STakashi Iwai struct snd_ctl_elem_value *ucontrol) 10841da177e4SLinus Torvalds { 108565b29f50STakashi Iwai struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 10861da177e4SLinus Torvalds ucontrol->value.integer.value[0] = chip->auto_mute; 10871da177e4SLinus Torvalds return 0; 10881da177e4SLinus Torvalds } 10891da177e4SLinus Torvalds 109065b29f50STakashi Iwai static int pmac_auto_mute_put(struct snd_kcontrol *kcontrol, 109165b29f50STakashi Iwai struct snd_ctl_elem_value *ucontrol) 10921da177e4SLinus Torvalds { 109365b29f50STakashi Iwai struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 10941da177e4SLinus Torvalds if (ucontrol->value.integer.value[0] != chip->auto_mute) { 10951da177e4SLinus Torvalds chip->auto_mute = ucontrol->value.integer.value[0]; 10961da177e4SLinus Torvalds if (chip->update_automute) 10971da177e4SLinus Torvalds chip->update_automute(chip, 1); 10981da177e4SLinus Torvalds return 1; 10991da177e4SLinus Torvalds } 11001da177e4SLinus Torvalds return 0; 11011da177e4SLinus Torvalds } 11021da177e4SLinus Torvalds 110365b29f50STakashi Iwai static int pmac_hp_detect_get(struct snd_kcontrol *kcontrol, 110465b29f50STakashi Iwai struct snd_ctl_elem_value *ucontrol) 11051da177e4SLinus Torvalds { 110665b29f50STakashi Iwai struct snd_pmac *chip = snd_kcontrol_chip(kcontrol); 11071da177e4SLinus Torvalds if (chip->detect_headphone) 11081da177e4SLinus Torvalds ucontrol->value.integer.value[0] = chip->detect_headphone(chip); 11091da177e4SLinus Torvalds else 11101da177e4SLinus Torvalds ucontrol->value.integer.value[0] = 0; 11111da177e4SLinus Torvalds return 0; 11121da177e4SLinus Torvalds } 11131da177e4SLinus Torvalds 111465b29f50STakashi Iwai static struct snd_kcontrol_new auto_mute_controls[] __initdata = { 11151da177e4SLinus Torvalds { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 11161da177e4SLinus Torvalds .name = "Auto Mute Switch", 11171da177e4SLinus Torvalds .info = snd_pmac_boolean_mono_info, 11181da177e4SLinus Torvalds .get = pmac_auto_mute_get, 11191da177e4SLinus Torvalds .put = pmac_auto_mute_put, 11201da177e4SLinus Torvalds }, 11211da177e4SLinus Torvalds { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 11221da177e4SLinus Torvalds .name = "Headphone Detection", 11231da177e4SLinus Torvalds .access = SNDRV_CTL_ELEM_ACCESS_READ, 11241da177e4SLinus Torvalds .info = snd_pmac_boolean_mono_info, 11251da177e4SLinus Torvalds .get = pmac_hp_detect_get, 11261da177e4SLinus Torvalds }, 11271da177e4SLinus Torvalds }; 11281da177e4SLinus Torvalds 112965b29f50STakashi Iwai int __init snd_pmac_add_automute(struct snd_pmac *chip) 11301da177e4SLinus Torvalds { 11311da177e4SLinus Torvalds int err; 11321da177e4SLinus Torvalds chip->auto_mute = 1; 11331da177e4SLinus Torvalds err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); 11347bbd8277SBenjamin Herrenschmidt if (err < 0) { 11357bbd8277SBenjamin Herrenschmidt printk(KERN_ERR "snd-powermac: Failed to add automute control\n"); 11361da177e4SLinus Torvalds return err; 11377bbd8277SBenjamin Herrenschmidt } 11381da177e4SLinus Torvalds chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); 11391da177e4SLinus Torvalds return snd_ctl_add(chip->card, chip->hp_detect_ctl); 11401da177e4SLinus Torvalds } 11411da177e4SLinus Torvalds #endif /* PMAC_SUPPORT_AUTOMUTE */ 11421da177e4SLinus Torvalds 11431da177e4SLinus Torvalds /* 11441da177e4SLinus Torvalds * create and detect a pmac chip record 11451da177e4SLinus Torvalds */ 114665b29f50STakashi Iwai int __init snd_pmac_new(struct snd_card *card, struct snd_pmac **chip_return) 11471da177e4SLinus Torvalds { 114865b29f50STakashi Iwai struct snd_pmac *chip; 11491da177e4SLinus Torvalds struct device_node *np; 11501da177e4SLinus Torvalds int i, err; 11517bbd8277SBenjamin Herrenschmidt unsigned long ctrl_addr, txdma_addr, rxdma_addr; 115265b29f50STakashi Iwai static struct snd_device_ops ops = { 11531da177e4SLinus Torvalds .dev_free = snd_pmac_dev_free, 11541da177e4SLinus Torvalds }; 11551da177e4SLinus Torvalds 11561da177e4SLinus Torvalds *chip_return = NULL; 11571da177e4SLinus Torvalds 1158561b220aSTakashi Iwai chip = kzalloc(sizeof(*chip), GFP_KERNEL); 11591da177e4SLinus Torvalds if (chip == NULL) 11601da177e4SLinus Torvalds return -ENOMEM; 11611da177e4SLinus Torvalds chip->card = card; 11621da177e4SLinus Torvalds 11631da177e4SLinus Torvalds spin_lock_init(&chip->reg_lock); 11641da177e4SLinus Torvalds chip->irq = chip->tx_irq = chip->rx_irq = -1; 11651da177e4SLinus Torvalds 11661da177e4SLinus Torvalds chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; 11671da177e4SLinus Torvalds chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; 11681da177e4SLinus Torvalds 11691da177e4SLinus Torvalds if ((err = snd_pmac_detect(chip)) < 0) 11701da177e4SLinus Torvalds goto __error; 11711da177e4SLinus Torvalds 11727bbd8277SBenjamin Herrenschmidt if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || 11737bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || 11747bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) { 11751da177e4SLinus Torvalds err = -ENOMEM; 11761da177e4SLinus Torvalds goto __error; 11771da177e4SLinus Torvalds } 11781da177e4SLinus Torvalds 11791da177e4SLinus Torvalds np = chip->node; 1180cc5d0189SBenjamin Herrenschmidt chip->requested = 0; 11817bbd8277SBenjamin Herrenschmidt if (chip->is_k2) { 1182cc5d0189SBenjamin Herrenschmidt static char *rnames[] = { 1183cc5d0189SBenjamin Herrenschmidt "Sound Control", "Sound DMA" }; 1184cc5d0189SBenjamin Herrenschmidt if (np->n_intrs < 3) { 11857bbd8277SBenjamin Herrenschmidt err = -ENODEV; 11867bbd8277SBenjamin Herrenschmidt goto __error; 11877bbd8277SBenjamin Herrenschmidt } 11887bbd8277SBenjamin Herrenschmidt for (i = 0; i < 2; i ++) { 1189cc5d0189SBenjamin Herrenschmidt if (of_address_to_resource(np->parent, i, 1190cc5d0189SBenjamin Herrenschmidt &chip->rsrc[i])) { 1191cc5d0189SBenjamin Herrenschmidt printk(KERN_ERR "snd: can't translate rsrc " 1192cc5d0189SBenjamin Herrenschmidt " %d (%s)\n", i, rnames[i]); 11937bbd8277SBenjamin Herrenschmidt err = -ENODEV; 11947bbd8277SBenjamin Herrenschmidt goto __error; 11957bbd8277SBenjamin Herrenschmidt } 1196cc5d0189SBenjamin Herrenschmidt if (request_mem_region(chip->rsrc[i].start, 1197cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].end - 1198cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].start + 1, 1199cc5d0189SBenjamin Herrenschmidt rnames[i]) == NULL) { 1200cc5d0189SBenjamin Herrenschmidt printk(KERN_ERR "snd: can't request rsrc " 1201cc5d0189SBenjamin Herrenschmidt " %d (%s: 0x%08lx:%08lx)\n", 1202cc5d0189SBenjamin Herrenschmidt i, rnames[i], chip->rsrc[i].start, 1203cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].end); 1204cc5d0189SBenjamin Herrenschmidt err = -ENODEV; 1205cc5d0189SBenjamin Herrenschmidt goto __error; 1206cc5d0189SBenjamin Herrenschmidt } 1207cc5d0189SBenjamin Herrenschmidt chip->requested |= (1 << i); 1208cc5d0189SBenjamin Herrenschmidt } 1209cc5d0189SBenjamin Herrenschmidt ctrl_addr = chip->rsrc[0].start; 1210cc5d0189SBenjamin Herrenschmidt txdma_addr = chip->rsrc[1].start; 12117bbd8277SBenjamin Herrenschmidt rxdma_addr = txdma_addr + 0x100; 12127bbd8277SBenjamin Herrenschmidt } else { 1213cc5d0189SBenjamin Herrenschmidt static char *rnames[] = { 1214cc5d0189SBenjamin Herrenschmidt "Sound Control", "Sound Tx DMA", "Sound Rx DMA" }; 1215cc5d0189SBenjamin Herrenschmidt if (np->n_intrs < 3) { 12161da177e4SLinus Torvalds err = -ENODEV; 12171da177e4SLinus Torvalds goto __error; 12181da177e4SLinus Torvalds } 12191da177e4SLinus Torvalds for (i = 0; i < 3; i ++) { 122088356e90SBenjamin Herrenschmidt if (of_address_to_resource(np, i, 1221cc5d0189SBenjamin Herrenschmidt &chip->rsrc[i])) { 1222cc5d0189SBenjamin Herrenschmidt printk(KERN_ERR "snd: can't translate rsrc " 1223cc5d0189SBenjamin Herrenschmidt " %d (%s)\n", i, rnames[i]); 12241da177e4SLinus Torvalds err = -ENODEV; 12251da177e4SLinus Torvalds goto __error; 12261da177e4SLinus Torvalds } 1227cc5d0189SBenjamin Herrenschmidt if (request_mem_region(chip->rsrc[i].start, 1228cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].end - 1229cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].start + 1, 1230cc5d0189SBenjamin Herrenschmidt rnames[i]) == NULL) { 1231cc5d0189SBenjamin Herrenschmidt printk(KERN_ERR "snd: can't request rsrc " 1232cc5d0189SBenjamin Herrenschmidt " %d (%s: 0x%08lx:%08lx)\n", 1233cc5d0189SBenjamin Herrenschmidt i, rnames[i], chip->rsrc[i].start, 1234cc5d0189SBenjamin Herrenschmidt chip->rsrc[i].end); 1235cc5d0189SBenjamin Herrenschmidt err = -ENODEV; 1236cc5d0189SBenjamin Herrenschmidt goto __error; 12377bbd8277SBenjamin Herrenschmidt } 1238cc5d0189SBenjamin Herrenschmidt chip->requested |= (1 << i); 1239cc5d0189SBenjamin Herrenschmidt } 1240cc5d0189SBenjamin Herrenschmidt ctrl_addr = chip->rsrc[0].start; 1241cc5d0189SBenjamin Herrenschmidt txdma_addr = chip->rsrc[1].start; 1242cc5d0189SBenjamin Herrenschmidt rxdma_addr = chip->rsrc[2].start; 12431da177e4SLinus Torvalds } 12441da177e4SLinus Torvalds 12457bbd8277SBenjamin Herrenschmidt chip->awacs = ioremap(ctrl_addr, 0x1000); 12467bbd8277SBenjamin Herrenschmidt chip->playback.dma = ioremap(txdma_addr, 0x100); 12477bbd8277SBenjamin Herrenschmidt chip->capture.dma = ioremap(rxdma_addr, 0x100); 12481da177e4SLinus Torvalds if (chip->model <= PMAC_BURGUNDY) { 12491da177e4SLinus Torvalds if (request_irq(np->intrs[0].line, snd_pmac_ctrl_intr, 0, 12501da177e4SLinus Torvalds "PMac", (void*)chip)) { 12511da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[0].line); 12521da177e4SLinus Torvalds err = -EBUSY; 12531da177e4SLinus Torvalds goto __error; 12541da177e4SLinus Torvalds } 12551da177e4SLinus Torvalds chip->irq = np->intrs[0].line; 12561da177e4SLinus Torvalds } 12571da177e4SLinus Torvalds if (request_irq(np->intrs[1].line, snd_pmac_tx_intr, 0, 12581da177e4SLinus Torvalds "PMac Output", (void*)chip)) { 12591da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[1].line); 12601da177e4SLinus Torvalds err = -EBUSY; 12611da177e4SLinus Torvalds goto __error; 12621da177e4SLinus Torvalds } 12631da177e4SLinus Torvalds chip->tx_irq = np->intrs[1].line; 12641da177e4SLinus Torvalds if (request_irq(np->intrs[2].line, snd_pmac_rx_intr, 0, 12651da177e4SLinus Torvalds "PMac Input", (void*)chip)) { 12661da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[2].line); 12671da177e4SLinus Torvalds err = -EBUSY; 12681da177e4SLinus Torvalds goto __error; 12691da177e4SLinus Torvalds } 12701da177e4SLinus Torvalds chip->rx_irq = np->intrs[2].line; 12711da177e4SLinus Torvalds 12721da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 1); 12731da177e4SLinus Torvalds 12741da177e4SLinus Torvalds /* reset */ 12757bbd8277SBenjamin Herrenschmidt if (chip->model == PMAC_AWACS) 12761da177e4SLinus Torvalds out_le32(&chip->awacs->control, 0x11); 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvalds /* Powerbooks have odd ways of enabling inputs such as 12791da177e4SLinus Torvalds an expansion-bay CD or sound from an internal modem 12801da177e4SLinus Torvalds or a PC-card modem. */ 12811da177e4SLinus Torvalds if (chip->is_pbook_3400) { 12821da177e4SLinus Torvalds /* Enable CD and PC-card sound inputs. */ 12831da177e4SLinus Torvalds /* This is done by reading from address 12841da177e4SLinus Torvalds * f301a000, + 0x10 to enable the expansion-bay 12851da177e4SLinus Torvalds * CD sound input, + 0x80 to enable the PC-card 12861da177e4SLinus Torvalds * sound input. The 0x100 enables the SCSI bus 12871da177e4SLinus Torvalds * terminator power. 12881da177e4SLinus Torvalds */ 12891da177e4SLinus Torvalds chip->latch_base = ioremap (0xf301a000, 0x1000); 12901da177e4SLinus Torvalds in_8(chip->latch_base + 0x190); 12911da177e4SLinus Torvalds } else if (chip->is_pbook_G3) { 12921da177e4SLinus Torvalds struct device_node* mio; 12931da177e4SLinus Torvalds for (mio = chip->node->parent; mio; mio = mio->parent) { 1294cc5d0189SBenjamin Herrenschmidt if (strcmp(mio->name, "mac-io") == 0) { 1295cc5d0189SBenjamin Herrenschmidt struct resource r; 1296cc5d0189SBenjamin Herrenschmidt if (of_address_to_resource(mio, 0, &r) == 0) 1297cc5d0189SBenjamin Herrenschmidt chip->macio_base = 1298cc5d0189SBenjamin Herrenschmidt ioremap(r.start, 0x40); 12991da177e4SLinus Torvalds break; 13001da177e4SLinus Torvalds } 13011da177e4SLinus Torvalds } 13021da177e4SLinus Torvalds /* Enable CD sound input. */ 13031da177e4SLinus Torvalds /* The relevant bits for writing to this byte are 0x8f. 13041da177e4SLinus Torvalds * I haven't found out what the 0x80 bit does. 13051da177e4SLinus Torvalds * For the 0xf bits, writing 3 or 7 enables the CD 13061da177e4SLinus Torvalds * input, any other value disables it. Values 13071da177e4SLinus Torvalds * 1, 3, 5, 7 enable the microphone. Values 0, 2, 13081da177e4SLinus Torvalds * 4, 6, 8 - f enable the input from the modem. 13091da177e4SLinus Torvalds */ 13101da177e4SLinus Torvalds if (chip->macio_base) 13111da177e4SLinus Torvalds out_8(chip->macio_base + 0x37, 3); 13121da177e4SLinus Torvalds } 13131da177e4SLinus Torvalds 13141da177e4SLinus Torvalds /* Reset dbdma channels */ 13151da177e4SLinus Torvalds snd_pmac_dbdma_reset(chip); 13161da177e4SLinus Torvalds 13171da177e4SLinus Torvalds if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) 13181da177e4SLinus Torvalds goto __error; 13191da177e4SLinus Torvalds 13201da177e4SLinus Torvalds *chip_return = chip; 13211da177e4SLinus Torvalds return 0; 13221da177e4SLinus Torvalds 13231da177e4SLinus Torvalds __error: 13247bbd8277SBenjamin Herrenschmidt if (chip->pdev) 13257bbd8277SBenjamin Herrenschmidt pci_dev_put(chip->pdev); 13261da177e4SLinus Torvalds snd_pmac_free(chip); 13271da177e4SLinus Torvalds return err; 13281da177e4SLinus Torvalds } 13291da177e4SLinus Torvalds 13301da177e4SLinus Torvalds 13311da177e4SLinus Torvalds /* 13321da177e4SLinus Torvalds * sleep notify for powerbook 13331da177e4SLinus Torvalds */ 13341da177e4SLinus Torvalds 13358c870933SBenjamin Herrenschmidt #ifdef CONFIG_PM 13361da177e4SLinus Torvalds 13371da177e4SLinus Torvalds /* 13381da177e4SLinus Torvalds * Save state when going to sleep, restore it afterwards. 13391da177e4SLinus Torvalds */ 13401da177e4SLinus Torvalds 13415e12bea0STakashi Iwai void snd_pmac_suspend(struct snd_pmac *chip) 13421da177e4SLinus Torvalds { 13431da177e4SLinus Torvalds unsigned long flags; 13441da177e4SLinus Torvalds 13455e12bea0STakashi Iwai snd_power_change_state(chip->card, SNDRV_CTL_POWER_D3hot); 13461da177e4SLinus Torvalds if (chip->suspend) 13471da177e4SLinus Torvalds chip->suspend(chip); 13481da177e4SLinus Torvalds snd_pcm_suspend_all(chip->pcm); 13491da177e4SLinus Torvalds spin_lock_irqsave(&chip->reg_lock, flags); 13501da177e4SLinus Torvalds snd_pmac_beep_stop(chip); 13511da177e4SLinus Torvalds spin_unlock_irqrestore(&chip->reg_lock, flags); 13521da177e4SLinus Torvalds if (chip->irq >= 0) 13531da177e4SLinus Torvalds disable_irq(chip->irq); 13541da177e4SLinus Torvalds if (chip->tx_irq >= 0) 13551da177e4SLinus Torvalds disable_irq(chip->tx_irq); 13561da177e4SLinus Torvalds if (chip->rx_irq >= 0) 13571da177e4SLinus Torvalds disable_irq(chip->rx_irq); 13581da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 0); 13591da177e4SLinus Torvalds } 13601da177e4SLinus Torvalds 13615e12bea0STakashi Iwai void snd_pmac_resume(struct snd_pmac *chip) 13621da177e4SLinus Torvalds { 13631da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 1); 13641da177e4SLinus Torvalds if (chip->resume) 13651da177e4SLinus Torvalds chip->resume(chip); 13661da177e4SLinus Torvalds /* enable CD sound input */ 13675e12bea0STakashi Iwai if (chip->macio_base && chip->is_pbook_G3) 13681da177e4SLinus Torvalds out_8(chip->macio_base + 0x37, 3); 13695e12bea0STakashi Iwai else if (chip->is_pbook_3400) 13701da177e4SLinus Torvalds in_8(chip->latch_base + 0x190); 13711da177e4SLinus Torvalds 13721da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); 13731da177e4SLinus Torvalds 13741da177e4SLinus Torvalds if (chip->irq >= 0) 13751da177e4SLinus Torvalds enable_irq(chip->irq); 13761da177e4SLinus Torvalds if (chip->tx_irq >= 0) 13771da177e4SLinus Torvalds enable_irq(chip->tx_irq); 13781da177e4SLinus Torvalds if (chip->rx_irq >= 0) 13791da177e4SLinus Torvalds enable_irq(chip->rx_irq); 13801da177e4SLinus Torvalds 13815e12bea0STakashi Iwai snd_power_change_state(chip->card, SNDRV_CTL_POWER_D0); 13821da177e4SLinus Torvalds } 13831da177e4SLinus Torvalds 13848c870933SBenjamin Herrenschmidt #endif /* CONFIG_PM */ 13858c870933SBenjamin Herrenschmidt 1386