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 #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) 401da177e4SLinus Torvalds static int snd_pmac_register_sleep_notifier(pmac_t *chip); 411da177e4SLinus Torvalds static int snd_pmac_unregister_sleep_notifier(pmac_t *chip); 421da177e4SLinus Torvalds static int snd_pmac_suspend(snd_card_t *card, pm_message_t state); 431da177e4SLinus Torvalds static int snd_pmac_resume(snd_card_t *card); 441da177e4SLinus Torvalds #endif 451da177e4SLinus Torvalds 461da177e4SLinus Torvalds 471da177e4SLinus Torvalds /* fixed frequency table for awacs, screamer, burgundy, DACA (44100 max) */ 481da177e4SLinus Torvalds static int awacs_freqs[8] = { 491da177e4SLinus Torvalds 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 501da177e4SLinus Torvalds }; 511da177e4SLinus Torvalds /* fixed frequency table for tumbler */ 521da177e4SLinus Torvalds static int tumbler_freqs[1] = { 531da177e4SLinus Torvalds 44100 541da177e4SLinus Torvalds }; 551da177e4SLinus Torvalds 561da177e4SLinus Torvalds /* 571da177e4SLinus Torvalds * allocate DBDMA command arrays 581da177e4SLinus Torvalds */ 597bbd8277SBenjamin Herrenschmidt static int snd_pmac_dbdma_alloc(pmac_t *chip, pmac_dbdma_t *rec, int size) 601da177e4SLinus Torvalds { 617bbd8277SBenjamin Herrenschmidt unsigned int rsize = sizeof(struct dbdma_cmd) * (size + 1); 627bbd8277SBenjamin Herrenschmidt 637bbd8277SBenjamin Herrenschmidt rec->space = dma_alloc_coherent(&chip->pdev->dev, rsize, 647bbd8277SBenjamin Herrenschmidt &rec->dma_base, GFP_KERNEL); 651da177e4SLinus Torvalds if (rec->space == NULL) 661da177e4SLinus Torvalds return -ENOMEM; 671da177e4SLinus Torvalds rec->size = size; 687bbd8277SBenjamin Herrenschmidt memset(rec->space, 0, rsize); 691da177e4SLinus Torvalds rec->cmds = (void __iomem *)DBDMA_ALIGN(rec->space); 707bbd8277SBenjamin Herrenschmidt rec->addr = rec->dma_base + (unsigned long)((char *)rec->cmds - (char *)rec->space); 717bbd8277SBenjamin Herrenschmidt 721da177e4SLinus Torvalds return 0; 731da177e4SLinus Torvalds } 741da177e4SLinus Torvalds 757bbd8277SBenjamin Herrenschmidt static void snd_pmac_dbdma_free(pmac_t *chip, pmac_dbdma_t *rec) 761da177e4SLinus Torvalds { 777bbd8277SBenjamin Herrenschmidt if (rec) { 787bbd8277SBenjamin Herrenschmidt unsigned int rsize = sizeof(struct dbdma_cmd) * (rec->size + 1); 797bbd8277SBenjamin Herrenschmidt 807bbd8277SBenjamin Herrenschmidt dma_free_coherent(&chip->pdev->dev, rsize, rec->space, rec->dma_base); 817bbd8277SBenjamin Herrenschmidt } 821da177e4SLinus Torvalds } 831da177e4SLinus Torvalds 841da177e4SLinus Torvalds 851da177e4SLinus Torvalds /* 861da177e4SLinus Torvalds * pcm stuff 871da177e4SLinus Torvalds */ 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds /* 901da177e4SLinus Torvalds * look up frequency table 911da177e4SLinus Torvalds */ 921da177e4SLinus Torvalds 931da177e4SLinus Torvalds unsigned int snd_pmac_rate_index(pmac_t *chip, pmac_stream_t *rec, unsigned int rate) 941da177e4SLinus Torvalds { 951da177e4SLinus Torvalds int i, ok, found; 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds ok = rec->cur_freqs; 981da177e4SLinus Torvalds if (rate > chip->freq_table[0]) 991da177e4SLinus Torvalds return 0; 1001da177e4SLinus Torvalds found = 0; 1011da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; i++, ok >>= 1) { 1021da177e4SLinus Torvalds if (! (ok & 1)) continue; 1031da177e4SLinus Torvalds found = i; 1041da177e4SLinus Torvalds if (rate >= chip->freq_table[i]) 1051da177e4SLinus Torvalds break; 1061da177e4SLinus Torvalds } 1071da177e4SLinus Torvalds return found; 1081da177e4SLinus Torvalds } 1091da177e4SLinus Torvalds 1101da177e4SLinus Torvalds /* 1111da177e4SLinus Torvalds * check whether another stream is active 1121da177e4SLinus Torvalds */ 1131da177e4SLinus Torvalds static inline int another_stream(int stream) 1141da177e4SLinus Torvalds { 1151da177e4SLinus Torvalds return (stream == SNDRV_PCM_STREAM_PLAYBACK) ? 1161da177e4SLinus Torvalds SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; 1171da177e4SLinus Torvalds } 1181da177e4SLinus Torvalds 1191da177e4SLinus Torvalds /* 1201da177e4SLinus Torvalds * allocate buffers 1211da177e4SLinus Torvalds */ 1221da177e4SLinus Torvalds static int snd_pmac_pcm_hw_params(snd_pcm_substream_t *subs, 1231da177e4SLinus Torvalds snd_pcm_hw_params_t *hw_params) 1241da177e4SLinus Torvalds { 1251da177e4SLinus Torvalds return snd_pcm_lib_malloc_pages(subs, params_buffer_bytes(hw_params)); 1261da177e4SLinus Torvalds } 1271da177e4SLinus Torvalds 1281da177e4SLinus Torvalds /* 1291da177e4SLinus Torvalds * release buffers 1301da177e4SLinus Torvalds */ 1311da177e4SLinus Torvalds static int snd_pmac_pcm_hw_free(snd_pcm_substream_t *subs) 1321da177e4SLinus Torvalds { 1331da177e4SLinus Torvalds snd_pcm_lib_free_pages(subs); 1341da177e4SLinus Torvalds return 0; 1351da177e4SLinus Torvalds } 1361da177e4SLinus Torvalds 1371da177e4SLinus Torvalds /* 1381da177e4SLinus Torvalds * get a stream of the opposite direction 1391da177e4SLinus Torvalds */ 1401da177e4SLinus Torvalds static pmac_stream_t *snd_pmac_get_stream(pmac_t *chip, int stream) 1411da177e4SLinus Torvalds { 1421da177e4SLinus Torvalds switch (stream) { 1431da177e4SLinus Torvalds case SNDRV_PCM_STREAM_PLAYBACK: 1441da177e4SLinus Torvalds return &chip->playback; 1451da177e4SLinus Torvalds case SNDRV_PCM_STREAM_CAPTURE: 1461da177e4SLinus Torvalds return &chip->capture; 1471da177e4SLinus Torvalds default: 1481da177e4SLinus Torvalds snd_BUG(); 1491da177e4SLinus Torvalds return NULL; 1501da177e4SLinus Torvalds } 1511da177e4SLinus Torvalds } 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds /* 1541da177e4SLinus Torvalds * wait while run status is on 1551da177e4SLinus Torvalds */ 1561da177e4SLinus Torvalds inline static void 1571da177e4SLinus Torvalds snd_pmac_wait_ack(pmac_stream_t *rec) 1581da177e4SLinus Torvalds { 1591da177e4SLinus Torvalds int timeout = 50000; 1601da177e4SLinus Torvalds while ((in_le32(&rec->dma->status) & RUN) && timeout-- > 0) 1611da177e4SLinus Torvalds udelay(1); 1621da177e4SLinus Torvalds } 1631da177e4SLinus Torvalds 1641da177e4SLinus Torvalds /* 1651da177e4SLinus Torvalds * set the format and rate to the chip. 1661da177e4SLinus Torvalds * call the lowlevel function if defined (e.g. for AWACS). 1671da177e4SLinus Torvalds */ 1681da177e4SLinus Torvalds static void snd_pmac_pcm_set_format(pmac_t *chip) 1691da177e4SLinus Torvalds { 1701da177e4SLinus Torvalds /* set up frequency and format */ 1711da177e4SLinus Torvalds out_le32(&chip->awacs->control, chip->control_mask | (chip->rate_index << 8)); 1721da177e4SLinus Torvalds out_le32(&chip->awacs->byteswap, chip->format == SNDRV_PCM_FORMAT_S16_LE ? 1 : 0); 1731da177e4SLinus Torvalds if (chip->set_format) 1741da177e4SLinus Torvalds chip->set_format(chip); 1751da177e4SLinus Torvalds } 1761da177e4SLinus Torvalds 1771da177e4SLinus Torvalds /* 1781da177e4SLinus Torvalds * stop the DMA transfer 1791da177e4SLinus Torvalds */ 1801da177e4SLinus Torvalds inline static void snd_pmac_dma_stop(pmac_stream_t *rec) 1811da177e4SLinus Torvalds { 1821da177e4SLinus Torvalds out_le32(&rec->dma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); 1831da177e4SLinus Torvalds snd_pmac_wait_ack(rec); 1841da177e4SLinus Torvalds } 1851da177e4SLinus Torvalds 1861da177e4SLinus Torvalds /* 1871da177e4SLinus Torvalds * set the command pointer address 1881da177e4SLinus Torvalds */ 1891da177e4SLinus Torvalds inline static void snd_pmac_dma_set_command(pmac_stream_t *rec, pmac_dbdma_t *cmd) 1901da177e4SLinus Torvalds { 1911da177e4SLinus Torvalds out_le32(&rec->dma->cmdptr, cmd->addr); 1921da177e4SLinus Torvalds } 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds /* 1951da177e4SLinus Torvalds * start the DMA 1961da177e4SLinus Torvalds */ 1971da177e4SLinus Torvalds inline static void snd_pmac_dma_run(pmac_stream_t *rec, int status) 1981da177e4SLinus Torvalds { 1991da177e4SLinus Torvalds out_le32(&rec->dma->control, status | (status << 16)); 2001da177e4SLinus Torvalds } 2011da177e4SLinus Torvalds 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds /* 2041da177e4SLinus Torvalds * prepare playback/capture stream 2051da177e4SLinus Torvalds */ 2061da177e4SLinus Torvalds static int snd_pmac_pcm_prepare(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) 2071da177e4SLinus Torvalds { 2081da177e4SLinus Torvalds int i; 2091da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 2101da177e4SLinus Torvalds snd_pcm_runtime_t *runtime = subs->runtime; 2111da177e4SLinus Torvalds int rate_index; 2121da177e4SLinus Torvalds long offset; 2131da177e4SLinus Torvalds pmac_stream_t *astr; 2141da177e4SLinus Torvalds 2151da177e4SLinus Torvalds rec->dma_size = snd_pcm_lib_buffer_bytes(subs); 2161da177e4SLinus Torvalds rec->period_size = snd_pcm_lib_period_bytes(subs); 2171da177e4SLinus Torvalds rec->nperiods = rec->dma_size / rec->period_size; 2181da177e4SLinus Torvalds rec->cur_period = 0; 2191da177e4SLinus Torvalds rate_index = snd_pmac_rate_index(chip, rec, runtime->rate); 2201da177e4SLinus Torvalds 2211da177e4SLinus Torvalds /* set up constraints */ 2221da177e4SLinus Torvalds astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); 2231da177e4SLinus Torvalds snd_runtime_check(astr, return -EINVAL); 2241da177e4SLinus Torvalds astr->cur_freqs = 1 << rate_index; 2251da177e4SLinus Torvalds astr->cur_formats = 1 << runtime->format; 2261da177e4SLinus Torvalds chip->rate_index = rate_index; 2271da177e4SLinus Torvalds chip->format = runtime->format; 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds /* We really want to execute a DMA stop command, after the AWACS 2301da177e4SLinus Torvalds * is initialized. 2311da177e4SLinus Torvalds * For reasons I don't understand, it stops the hissing noise 2321da177e4SLinus Torvalds * common to many PowerBook G3 systems and random noise otherwise 2331da177e4SLinus Torvalds * captured on iBook2's about every third time. -ReneR 2341da177e4SLinus Torvalds */ 2351da177e4SLinus Torvalds spin_lock_irq(&chip->reg_lock); 2361da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 2371da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); 2381da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &chip->extra_dma); 2391da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN); 2401da177e4SLinus Torvalds spin_unlock_irq(&chip->reg_lock); 2411da177e4SLinus Torvalds mdelay(5); 2421da177e4SLinus Torvalds spin_lock_irq(&chip->reg_lock); 2431da177e4SLinus Torvalds /* continuous DMA memory type doesn't provide the physical address, 2441da177e4SLinus Torvalds * so we need to resolve the address here... 2451da177e4SLinus Torvalds */ 2467bbd8277SBenjamin Herrenschmidt offset = runtime->dma_addr; 2471da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) { 2481da177e4SLinus Torvalds st_le32(&cp->phy_addr, offset); 2491da177e4SLinus Torvalds st_le16(&cp->req_count, rec->period_size); 2501da177e4SLinus Torvalds /*st_le16(&cp->res_count, 0);*/ 2511da177e4SLinus Torvalds st_le16(&cp->xfer_status, 0); 2521da177e4SLinus Torvalds offset += rec->period_size; 2531da177e4SLinus Torvalds } 2541da177e4SLinus Torvalds /* make loop */ 2551da177e4SLinus Torvalds st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); 2561da177e4SLinus Torvalds st_le32(&cp->cmd_dep, rec->cmd.addr); 2571da177e4SLinus Torvalds 2581da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 2591da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &rec->cmd); 2601da177e4SLinus Torvalds spin_unlock_irq(&chip->reg_lock); 2611da177e4SLinus Torvalds 2621da177e4SLinus Torvalds return 0; 2631da177e4SLinus Torvalds } 2641da177e4SLinus Torvalds 2651da177e4SLinus Torvalds 2661da177e4SLinus Torvalds /* 2671da177e4SLinus Torvalds * PCM trigger/stop 2681da177e4SLinus Torvalds */ 2691da177e4SLinus Torvalds static int snd_pmac_pcm_trigger(pmac_t *chip, pmac_stream_t *rec, 2701da177e4SLinus Torvalds snd_pcm_substream_t *subs, int cmd) 2711da177e4SLinus Torvalds { 2721da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 2731da177e4SLinus Torvalds int i, command; 2741da177e4SLinus Torvalds 2751da177e4SLinus Torvalds switch (cmd) { 2761da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_START: 2771da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_RESUME: 2781da177e4SLinus Torvalds if (rec->running) 2791da177e4SLinus Torvalds return -EBUSY; 2801da177e4SLinus Torvalds command = (subs->stream == SNDRV_PCM_STREAM_PLAYBACK ? 2811da177e4SLinus Torvalds OUTPUT_MORE : INPUT_MORE) + INTR_ALWAYS; 2821da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 2831da177e4SLinus Torvalds snd_pmac_beep_stop(chip); 2841da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); 2851da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) 2861da177e4SLinus Torvalds out_le16(&cp->command, command); 2871da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &rec->cmd); 2881da177e4SLinus Torvalds (void)in_le32(&rec->dma->status); 2891da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN|WAKE); 2901da177e4SLinus Torvalds rec->running = 1; 2911da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 2921da177e4SLinus Torvalds break; 2931da177e4SLinus Torvalds 2941da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_STOP: 2951da177e4SLinus Torvalds case SNDRV_PCM_TRIGGER_SUSPEND: 2961da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 2971da177e4SLinus Torvalds rec->running = 0; 2981da177e4SLinus Torvalds /*printk("stopped!!\n");*/ 2991da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 3001da177e4SLinus Torvalds for (i = 0, cp = rec->cmd.cmds; i < rec->nperiods; i++, cp++) 3011da177e4SLinus Torvalds out_le16(&cp->command, DBDMA_STOP); 3021da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 3031da177e4SLinus Torvalds break; 3041da177e4SLinus Torvalds 3051da177e4SLinus Torvalds default: 3061da177e4SLinus Torvalds return -EINVAL; 3071da177e4SLinus Torvalds } 3081da177e4SLinus Torvalds 3091da177e4SLinus Torvalds return 0; 3101da177e4SLinus Torvalds } 3111da177e4SLinus Torvalds 3121da177e4SLinus Torvalds /* 3131da177e4SLinus Torvalds * return the current pointer 3141da177e4SLinus Torvalds */ 3151da177e4SLinus Torvalds inline 3161da177e4SLinus Torvalds static snd_pcm_uframes_t snd_pmac_pcm_pointer(pmac_t *chip, pmac_stream_t *rec, 3171da177e4SLinus Torvalds snd_pcm_substream_t *subs) 3181da177e4SLinus Torvalds { 3191da177e4SLinus Torvalds int count = 0; 3201da177e4SLinus Torvalds 3211da177e4SLinus Torvalds #if 1 /* hmm.. how can we get the current dma pointer?? */ 3221da177e4SLinus Torvalds int stat; 3231da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp = &rec->cmd.cmds[rec->cur_period]; 3241da177e4SLinus Torvalds stat = ld_le16(&cp->xfer_status); 3251da177e4SLinus Torvalds if (stat & (ACTIVE|DEAD)) { 3261da177e4SLinus Torvalds count = in_le16(&cp->res_count); 3271da177e4SLinus Torvalds if (count) 3281da177e4SLinus Torvalds count = rec->period_size - count; 3291da177e4SLinus Torvalds } 3301da177e4SLinus Torvalds #endif 3311da177e4SLinus Torvalds count += rec->cur_period * rec->period_size; 3321da177e4SLinus Torvalds /*printk("pointer=%d\n", count);*/ 3331da177e4SLinus Torvalds return bytes_to_frames(subs->runtime, count); 3341da177e4SLinus Torvalds } 3351da177e4SLinus Torvalds 3361da177e4SLinus Torvalds /* 3371da177e4SLinus Torvalds * playback 3381da177e4SLinus Torvalds */ 3391da177e4SLinus Torvalds 3401da177e4SLinus Torvalds static int snd_pmac_playback_prepare(snd_pcm_substream_t *subs) 3411da177e4SLinus Torvalds { 3421da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3431da177e4SLinus Torvalds return snd_pmac_pcm_prepare(chip, &chip->playback, subs); 3441da177e4SLinus Torvalds } 3451da177e4SLinus Torvalds 3461da177e4SLinus Torvalds static int snd_pmac_playback_trigger(snd_pcm_substream_t *subs, 3471da177e4SLinus Torvalds int cmd) 3481da177e4SLinus Torvalds { 3491da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3501da177e4SLinus Torvalds return snd_pmac_pcm_trigger(chip, &chip->playback, subs, cmd); 3511da177e4SLinus Torvalds } 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds static snd_pcm_uframes_t snd_pmac_playback_pointer(snd_pcm_substream_t *subs) 3541da177e4SLinus Torvalds { 3551da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3561da177e4SLinus Torvalds return snd_pmac_pcm_pointer(chip, &chip->playback, subs); 3571da177e4SLinus Torvalds } 3581da177e4SLinus Torvalds 3591da177e4SLinus Torvalds 3601da177e4SLinus Torvalds /* 3611da177e4SLinus Torvalds * capture 3621da177e4SLinus Torvalds */ 3631da177e4SLinus Torvalds 3641da177e4SLinus Torvalds static int snd_pmac_capture_prepare(snd_pcm_substream_t *subs) 3651da177e4SLinus Torvalds { 3661da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3671da177e4SLinus Torvalds return snd_pmac_pcm_prepare(chip, &chip->capture, subs); 3681da177e4SLinus Torvalds } 3691da177e4SLinus Torvalds 3701da177e4SLinus Torvalds static int snd_pmac_capture_trigger(snd_pcm_substream_t *subs, 3711da177e4SLinus Torvalds int cmd) 3721da177e4SLinus Torvalds { 3731da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3741da177e4SLinus Torvalds return snd_pmac_pcm_trigger(chip, &chip->capture, subs, cmd); 3751da177e4SLinus Torvalds } 3761da177e4SLinus Torvalds 3771da177e4SLinus Torvalds static snd_pcm_uframes_t snd_pmac_capture_pointer(snd_pcm_substream_t *subs) 3781da177e4SLinus Torvalds { 3791da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 3801da177e4SLinus Torvalds return snd_pmac_pcm_pointer(chip, &chip->capture, subs); 3811da177e4SLinus Torvalds } 3821da177e4SLinus Torvalds 3831da177e4SLinus Torvalds 3841da177e4SLinus Torvalds /* 3851da177e4SLinus Torvalds * update playback/capture pointer from interrupts 3861da177e4SLinus Torvalds */ 3871da177e4SLinus Torvalds static void snd_pmac_pcm_update(pmac_t *chip, pmac_stream_t *rec) 3881da177e4SLinus Torvalds { 3891da177e4SLinus Torvalds volatile struct dbdma_cmd __iomem *cp; 3901da177e4SLinus Torvalds int c; 3911da177e4SLinus Torvalds int stat; 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 3941da177e4SLinus Torvalds if (rec->running) { 3951da177e4SLinus Torvalds cp = &rec->cmd.cmds[rec->cur_period]; 3961da177e4SLinus Torvalds for (c = 0; c < rec->nperiods; c++) { /* at most all fragments */ 3971da177e4SLinus Torvalds stat = ld_le16(&cp->xfer_status); 3981da177e4SLinus Torvalds if (! (stat & ACTIVE)) 3991da177e4SLinus Torvalds break; 4001da177e4SLinus Torvalds /*printk("update frag %d\n", rec->cur_period);*/ 4011da177e4SLinus Torvalds st_le16(&cp->xfer_status, 0); 4021da177e4SLinus Torvalds st_le16(&cp->req_count, rec->period_size); 4031da177e4SLinus Torvalds /*st_le16(&cp->res_count, 0);*/ 4041da177e4SLinus Torvalds rec->cur_period++; 4051da177e4SLinus Torvalds if (rec->cur_period >= rec->nperiods) { 4061da177e4SLinus Torvalds rec->cur_period = 0; 4071da177e4SLinus Torvalds cp = rec->cmd.cmds; 4081da177e4SLinus Torvalds } else 4091da177e4SLinus Torvalds cp++; 4101da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 4111da177e4SLinus Torvalds snd_pcm_period_elapsed(rec->substream); 4121da177e4SLinus Torvalds spin_lock(&chip->reg_lock); 4131da177e4SLinus Torvalds } 4141da177e4SLinus Torvalds } 4151da177e4SLinus Torvalds spin_unlock(&chip->reg_lock); 4161da177e4SLinus Torvalds } 4171da177e4SLinus Torvalds 4181da177e4SLinus Torvalds 4191da177e4SLinus Torvalds /* 4201da177e4SLinus Torvalds * hw info 4211da177e4SLinus Torvalds */ 4221da177e4SLinus Torvalds 4231da177e4SLinus Torvalds static snd_pcm_hardware_t snd_pmac_playback = 4241da177e4SLinus Torvalds { 4251da177e4SLinus Torvalds .info = (SNDRV_PCM_INFO_INTERLEAVED | 4261da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP | 4271da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP_VALID | 4281da177e4SLinus Torvalds SNDRV_PCM_INFO_RESUME), 4291da177e4SLinus Torvalds .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, 4301da177e4SLinus Torvalds .rates = SNDRV_PCM_RATE_8000_44100, 4311da177e4SLinus Torvalds .rate_min = 7350, 4321da177e4SLinus Torvalds .rate_max = 44100, 4331da177e4SLinus Torvalds .channels_min = 2, 4341da177e4SLinus Torvalds .channels_max = 2, 4351da177e4SLinus Torvalds .buffer_bytes_max = 131072, 4361da177e4SLinus Torvalds .period_bytes_min = 256, 4371da177e4SLinus Torvalds .period_bytes_max = 16384, 4381da177e4SLinus Torvalds .periods_min = 3, 4391da177e4SLinus Torvalds .periods_max = PMAC_MAX_FRAGS, 4401da177e4SLinus Torvalds }; 4411da177e4SLinus Torvalds 4421da177e4SLinus Torvalds static snd_pcm_hardware_t snd_pmac_capture = 4431da177e4SLinus Torvalds { 4441da177e4SLinus Torvalds .info = (SNDRV_PCM_INFO_INTERLEAVED | 4451da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP | 4461da177e4SLinus Torvalds SNDRV_PCM_INFO_MMAP_VALID | 4471da177e4SLinus Torvalds SNDRV_PCM_INFO_RESUME), 4481da177e4SLinus Torvalds .formats = SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S16_LE, 4491da177e4SLinus Torvalds .rates = SNDRV_PCM_RATE_8000_44100, 4501da177e4SLinus Torvalds .rate_min = 7350, 4511da177e4SLinus Torvalds .rate_max = 44100, 4521da177e4SLinus Torvalds .channels_min = 2, 4531da177e4SLinus Torvalds .channels_max = 2, 4541da177e4SLinus Torvalds .buffer_bytes_max = 131072, 4551da177e4SLinus Torvalds .period_bytes_min = 256, 4561da177e4SLinus Torvalds .period_bytes_max = 16384, 4571da177e4SLinus Torvalds .periods_min = 3, 4581da177e4SLinus Torvalds .periods_max = PMAC_MAX_FRAGS, 4591da177e4SLinus Torvalds }; 4601da177e4SLinus Torvalds 4611da177e4SLinus Torvalds 4621da177e4SLinus Torvalds #if 0 // NYI 4631da177e4SLinus Torvalds static int snd_pmac_hw_rule_rate(snd_pcm_hw_params_t *params, 4641da177e4SLinus Torvalds snd_pcm_hw_rule_t *rule) 4651da177e4SLinus Torvalds { 4661da177e4SLinus Torvalds pmac_t *chip = rule->private; 4671da177e4SLinus Torvalds pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); 4681da177e4SLinus Torvalds int i, freq_table[8], num_freqs; 4691da177e4SLinus Torvalds 4701da177e4SLinus Torvalds snd_runtime_check(rec, return -EINVAL); 4711da177e4SLinus Torvalds num_freqs = 0; 4721da177e4SLinus Torvalds for (i = chip->num_freqs - 1; i >= 0; i--) { 4731da177e4SLinus Torvalds if (rec->cur_freqs & (1 << i)) 4741da177e4SLinus Torvalds freq_table[num_freqs++] = chip->freq_table[i]; 4751da177e4SLinus Torvalds } 4761da177e4SLinus Torvalds 4771da177e4SLinus Torvalds return snd_interval_list(hw_param_interval(params, rule->var), 4781da177e4SLinus Torvalds num_freqs, freq_table, 0); 4791da177e4SLinus Torvalds } 4801da177e4SLinus Torvalds 4811da177e4SLinus Torvalds static int snd_pmac_hw_rule_format(snd_pcm_hw_params_t *params, 4821da177e4SLinus Torvalds snd_pcm_hw_rule_t *rule) 4831da177e4SLinus Torvalds { 4841da177e4SLinus Torvalds pmac_t *chip = rule->private; 4851da177e4SLinus Torvalds pmac_stream_t *rec = snd_pmac_get_stream(chip, rule->deps[0]); 4861da177e4SLinus Torvalds 4871da177e4SLinus Torvalds snd_runtime_check(rec, return -EINVAL); 4881da177e4SLinus Torvalds return snd_mask_refine_set(hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT), 4891da177e4SLinus Torvalds rec->cur_formats); 4901da177e4SLinus Torvalds } 4911da177e4SLinus Torvalds #endif // NYI 4921da177e4SLinus Torvalds 4931da177e4SLinus Torvalds static int snd_pmac_pcm_open(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) 4941da177e4SLinus Torvalds { 4951da177e4SLinus Torvalds snd_pcm_runtime_t *runtime = subs->runtime; 4961da177e4SLinus Torvalds int i, j, fflags; 4971da177e4SLinus Torvalds static int typical_freqs[] = { 4981da177e4SLinus Torvalds 44100, 4991da177e4SLinus Torvalds 22050, 5001da177e4SLinus Torvalds 11025, 5011da177e4SLinus Torvalds 0, 5021da177e4SLinus Torvalds }; 5031da177e4SLinus Torvalds static int typical_freq_flags[] = { 5041da177e4SLinus Torvalds SNDRV_PCM_RATE_44100, 5051da177e4SLinus Torvalds SNDRV_PCM_RATE_22050, 5061da177e4SLinus Torvalds SNDRV_PCM_RATE_11025, 5071da177e4SLinus Torvalds 0, 5081da177e4SLinus Torvalds }; 5091da177e4SLinus Torvalds 5101da177e4SLinus Torvalds /* look up frequency table and fill bit mask */ 5111da177e4SLinus Torvalds runtime->hw.rates = 0; 5121da177e4SLinus Torvalds fflags = chip->freqs_ok; 5131da177e4SLinus Torvalds for (i = 0; typical_freqs[i]; i++) { 5141da177e4SLinus Torvalds for (j = 0; j < chip->num_freqs; j++) { 5151da177e4SLinus Torvalds if ((chip->freqs_ok & (1 << j)) && 5161da177e4SLinus Torvalds chip->freq_table[j] == typical_freqs[i]) { 5171da177e4SLinus Torvalds runtime->hw.rates |= typical_freq_flags[i]; 5181da177e4SLinus Torvalds fflags &= ~(1 << j); 5191da177e4SLinus Torvalds break; 5201da177e4SLinus Torvalds } 5211da177e4SLinus Torvalds } 5221da177e4SLinus Torvalds } 5231da177e4SLinus Torvalds if (fflags) /* rest */ 5241da177e4SLinus Torvalds runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; 5251da177e4SLinus Torvalds 5261da177e4SLinus Torvalds /* check for minimum and maximum rates */ 5271da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; i++) { 5281da177e4SLinus Torvalds if (chip->freqs_ok & (1 << i)) { 5291da177e4SLinus Torvalds runtime->hw.rate_max = chip->freq_table[i]; 5301da177e4SLinus Torvalds break; 5311da177e4SLinus Torvalds } 5321da177e4SLinus Torvalds } 5331da177e4SLinus Torvalds for (i = chip->num_freqs - 1; i >= 0; i--) { 5341da177e4SLinus Torvalds if (chip->freqs_ok & (1 << i)) { 5351da177e4SLinus Torvalds runtime->hw.rate_min = chip->freq_table[i]; 5361da177e4SLinus Torvalds break; 5371da177e4SLinus Torvalds } 5381da177e4SLinus Torvalds } 5391da177e4SLinus Torvalds runtime->hw.formats = chip->formats_ok; 5401da177e4SLinus Torvalds if (chip->can_capture) { 5411da177e4SLinus Torvalds if (! chip->can_duplex) 5421da177e4SLinus Torvalds runtime->hw.info |= SNDRV_PCM_INFO_HALF_DUPLEX; 5431da177e4SLinus Torvalds runtime->hw.info |= SNDRV_PCM_INFO_JOINT_DUPLEX; 5441da177e4SLinus Torvalds } 5451da177e4SLinus Torvalds runtime->private_data = rec; 5461da177e4SLinus Torvalds rec->substream = subs; 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds #if 0 /* FIXME: still under development.. */ 5491da177e4SLinus Torvalds snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, 5501da177e4SLinus Torvalds snd_pmac_hw_rule_rate, chip, rec->stream, -1); 5511da177e4SLinus Torvalds snd_pcm_hw_rule_add(runtime, 0, SNDRV_PCM_HW_PARAM_FORMAT, 5521da177e4SLinus Torvalds snd_pmac_hw_rule_format, chip, rec->stream, -1); 5531da177e4SLinus Torvalds #endif 5541da177e4SLinus Torvalds 5551da177e4SLinus Torvalds runtime->hw.periods_max = rec->cmd.size - 1; 5561da177e4SLinus Torvalds 5571da177e4SLinus Torvalds if (chip->can_duplex) 5581da177e4SLinus Torvalds snd_pcm_set_sync(subs); 5591da177e4SLinus Torvalds 5601da177e4SLinus Torvalds /* constraints to fix choppy sound */ 5611da177e4SLinus Torvalds snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); 5621da177e4SLinus Torvalds return 0; 5631da177e4SLinus Torvalds } 5641da177e4SLinus Torvalds 5651da177e4SLinus Torvalds static int snd_pmac_pcm_close(pmac_t *chip, pmac_stream_t *rec, snd_pcm_substream_t *subs) 5661da177e4SLinus Torvalds { 5671da177e4SLinus Torvalds pmac_stream_t *astr; 5681da177e4SLinus Torvalds 5691da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 5701da177e4SLinus Torvalds 5711da177e4SLinus Torvalds astr = snd_pmac_get_stream(chip, another_stream(rec->stream)); 5721da177e4SLinus Torvalds snd_runtime_check(astr, return -EINVAL); 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds /* reset constraints */ 5751da177e4SLinus Torvalds astr->cur_freqs = chip->freqs_ok; 5761da177e4SLinus Torvalds astr->cur_formats = chip->formats_ok; 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds return 0; 5791da177e4SLinus Torvalds } 5801da177e4SLinus Torvalds 5811da177e4SLinus Torvalds static int snd_pmac_playback_open(snd_pcm_substream_t *subs) 5821da177e4SLinus Torvalds { 5831da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 5841da177e4SLinus Torvalds 5851da177e4SLinus Torvalds subs->runtime->hw = snd_pmac_playback; 5861da177e4SLinus Torvalds return snd_pmac_pcm_open(chip, &chip->playback, subs); 5871da177e4SLinus Torvalds } 5881da177e4SLinus Torvalds 5891da177e4SLinus Torvalds static int snd_pmac_capture_open(snd_pcm_substream_t *subs) 5901da177e4SLinus Torvalds { 5911da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 5921da177e4SLinus Torvalds 5931da177e4SLinus Torvalds subs->runtime->hw = snd_pmac_capture; 5941da177e4SLinus Torvalds return snd_pmac_pcm_open(chip, &chip->capture, subs); 5951da177e4SLinus Torvalds } 5961da177e4SLinus Torvalds 5971da177e4SLinus Torvalds static int snd_pmac_playback_close(snd_pcm_substream_t *subs) 5981da177e4SLinus Torvalds { 5991da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 6001da177e4SLinus Torvalds 6011da177e4SLinus Torvalds return snd_pmac_pcm_close(chip, &chip->playback, subs); 6021da177e4SLinus Torvalds } 6031da177e4SLinus Torvalds 6041da177e4SLinus Torvalds static int snd_pmac_capture_close(snd_pcm_substream_t *subs) 6051da177e4SLinus Torvalds { 6061da177e4SLinus Torvalds pmac_t *chip = snd_pcm_substream_chip(subs); 6071da177e4SLinus Torvalds 6081da177e4SLinus Torvalds return snd_pmac_pcm_close(chip, &chip->capture, subs); 6091da177e4SLinus Torvalds } 6101da177e4SLinus Torvalds 6111da177e4SLinus Torvalds /* 6121da177e4SLinus Torvalds */ 6131da177e4SLinus Torvalds 6141da177e4SLinus Torvalds static snd_pcm_ops_t snd_pmac_playback_ops = { 6151da177e4SLinus Torvalds .open = snd_pmac_playback_open, 6161da177e4SLinus Torvalds .close = snd_pmac_playback_close, 6171da177e4SLinus Torvalds .ioctl = snd_pcm_lib_ioctl, 6181da177e4SLinus Torvalds .hw_params = snd_pmac_pcm_hw_params, 6191da177e4SLinus Torvalds .hw_free = snd_pmac_pcm_hw_free, 6201da177e4SLinus Torvalds .prepare = snd_pmac_playback_prepare, 6211da177e4SLinus Torvalds .trigger = snd_pmac_playback_trigger, 6221da177e4SLinus Torvalds .pointer = snd_pmac_playback_pointer, 6231da177e4SLinus Torvalds }; 6241da177e4SLinus Torvalds 6251da177e4SLinus Torvalds static snd_pcm_ops_t snd_pmac_capture_ops = { 6261da177e4SLinus Torvalds .open = snd_pmac_capture_open, 6271da177e4SLinus Torvalds .close = snd_pmac_capture_close, 6281da177e4SLinus Torvalds .ioctl = snd_pcm_lib_ioctl, 6291da177e4SLinus Torvalds .hw_params = snd_pmac_pcm_hw_params, 6301da177e4SLinus Torvalds .hw_free = snd_pmac_pcm_hw_free, 6311da177e4SLinus Torvalds .prepare = snd_pmac_capture_prepare, 6321da177e4SLinus Torvalds .trigger = snd_pmac_capture_trigger, 6331da177e4SLinus Torvalds .pointer = snd_pmac_capture_pointer, 6341da177e4SLinus Torvalds }; 6351da177e4SLinus Torvalds 6361da177e4SLinus Torvalds static void pmac_pcm_free(snd_pcm_t *pcm) 6371da177e4SLinus Torvalds { 6381da177e4SLinus Torvalds snd_pcm_lib_preallocate_free_for_all(pcm); 6391da177e4SLinus Torvalds } 6401da177e4SLinus Torvalds 6411da177e4SLinus Torvalds int __init snd_pmac_pcm_new(pmac_t *chip) 6421da177e4SLinus Torvalds { 6431da177e4SLinus Torvalds snd_pcm_t *pcm; 6441da177e4SLinus Torvalds int err; 6451da177e4SLinus Torvalds int num_captures = 1; 6461da177e4SLinus Torvalds 6471da177e4SLinus Torvalds if (! chip->can_capture) 6481da177e4SLinus Torvalds num_captures = 0; 6491da177e4SLinus Torvalds err = snd_pcm_new(chip->card, chip->card->driver, 0, 1, num_captures, &pcm); 6501da177e4SLinus Torvalds if (err < 0) 6511da177e4SLinus Torvalds return err; 6521da177e4SLinus Torvalds 6531da177e4SLinus Torvalds snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_pmac_playback_ops); 6541da177e4SLinus Torvalds if (chip->can_capture) 6551da177e4SLinus Torvalds snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_pmac_capture_ops); 6561da177e4SLinus Torvalds 6571da177e4SLinus Torvalds pcm->private_data = chip; 6581da177e4SLinus Torvalds pcm->private_free = pmac_pcm_free; 6591da177e4SLinus Torvalds pcm->info_flags = SNDRV_PCM_INFO_JOINT_DUPLEX; 6601da177e4SLinus Torvalds strcpy(pcm->name, chip->card->shortname); 6611da177e4SLinus Torvalds chip->pcm = pcm; 6621da177e4SLinus Torvalds 6631da177e4SLinus Torvalds chip->formats_ok = SNDRV_PCM_FMTBIT_S16_BE; 6641da177e4SLinus Torvalds if (chip->can_byte_swap) 6651da177e4SLinus Torvalds chip->formats_ok |= SNDRV_PCM_FMTBIT_S16_LE; 6661da177e4SLinus Torvalds 6671da177e4SLinus Torvalds chip->playback.cur_formats = chip->formats_ok; 6681da177e4SLinus Torvalds chip->capture.cur_formats = chip->formats_ok; 6691da177e4SLinus Torvalds chip->playback.cur_freqs = chip->freqs_ok; 6701da177e4SLinus Torvalds chip->capture.cur_freqs = chip->freqs_ok; 6711da177e4SLinus Torvalds 6721da177e4SLinus Torvalds /* preallocate 64k buffer */ 6737bbd8277SBenjamin Herrenschmidt snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, 6747bbd8277SBenjamin Herrenschmidt &chip->pdev->dev, 6751da177e4SLinus Torvalds 64 * 1024, 64 * 1024); 6761da177e4SLinus Torvalds 6771da177e4SLinus Torvalds return 0; 6781da177e4SLinus Torvalds } 6791da177e4SLinus Torvalds 6801da177e4SLinus Torvalds 6811da177e4SLinus Torvalds static void snd_pmac_dbdma_reset(pmac_t *chip) 6821da177e4SLinus Torvalds { 6831da177e4SLinus Torvalds out_le32(&chip->playback.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); 6841da177e4SLinus Torvalds snd_pmac_wait_ack(&chip->playback); 6851da177e4SLinus Torvalds out_le32(&chip->capture.dma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); 6861da177e4SLinus Torvalds snd_pmac_wait_ack(&chip->capture); 6871da177e4SLinus Torvalds } 6881da177e4SLinus Torvalds 6891da177e4SLinus Torvalds 6901da177e4SLinus Torvalds /* 6911da177e4SLinus Torvalds * handling beep 6921da177e4SLinus Torvalds */ 6931da177e4SLinus Torvalds void snd_pmac_beep_dma_start(pmac_t *chip, int bytes, unsigned long addr, int speed) 6941da177e4SLinus Torvalds { 6951da177e4SLinus Torvalds pmac_stream_t *rec = &chip->playback; 6961da177e4SLinus Torvalds 6971da177e4SLinus Torvalds snd_pmac_dma_stop(rec); 6981da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->req_count, bytes); 6991da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->xfer_status, 0); 7001da177e4SLinus Torvalds st_le32(&chip->extra_dma.cmds->cmd_dep, chip->extra_dma.addr); 7011da177e4SLinus Torvalds st_le32(&chip->extra_dma.cmds->phy_addr, addr); 7021da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, OUTPUT_MORE + BR_ALWAYS); 7031da177e4SLinus Torvalds out_le32(&chip->awacs->control, 7041da177e4SLinus Torvalds (in_le32(&chip->awacs->control) & ~0x1f00) 7051da177e4SLinus Torvalds | (speed << 8)); 7061da177e4SLinus Torvalds out_le32(&chip->awacs->byteswap, 0); 7071da177e4SLinus Torvalds snd_pmac_dma_set_command(rec, &chip->extra_dma); 7081da177e4SLinus Torvalds snd_pmac_dma_run(rec, RUN); 7091da177e4SLinus Torvalds } 7101da177e4SLinus Torvalds 7111da177e4SLinus Torvalds void snd_pmac_beep_dma_stop(pmac_t *chip) 7121da177e4SLinus Torvalds { 7131da177e4SLinus Torvalds snd_pmac_dma_stop(&chip->playback); 7141da177e4SLinus Torvalds st_le16(&chip->extra_dma.cmds->command, DBDMA_STOP); 7151da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); /* reset format */ 7161da177e4SLinus Torvalds } 7171da177e4SLinus Torvalds 7181da177e4SLinus Torvalds 7191da177e4SLinus Torvalds /* 7201da177e4SLinus Torvalds * interrupt handlers 7211da177e4SLinus Torvalds */ 7221da177e4SLinus Torvalds static irqreturn_t 7231da177e4SLinus Torvalds snd_pmac_tx_intr(int irq, void *devid, struct pt_regs *regs) 7241da177e4SLinus Torvalds { 7251da177e4SLinus Torvalds pmac_t *chip = devid; 7261da177e4SLinus Torvalds snd_pmac_pcm_update(chip, &chip->playback); 7271da177e4SLinus Torvalds return IRQ_HANDLED; 7281da177e4SLinus Torvalds } 7291da177e4SLinus Torvalds 7301da177e4SLinus Torvalds 7311da177e4SLinus Torvalds static irqreturn_t 7321da177e4SLinus Torvalds snd_pmac_rx_intr(int irq, void *devid, struct pt_regs *regs) 7331da177e4SLinus Torvalds { 7341da177e4SLinus Torvalds pmac_t *chip = devid; 7351da177e4SLinus Torvalds snd_pmac_pcm_update(chip, &chip->capture); 7361da177e4SLinus Torvalds return IRQ_HANDLED; 7371da177e4SLinus Torvalds } 7381da177e4SLinus Torvalds 7391da177e4SLinus Torvalds 7401da177e4SLinus Torvalds static irqreturn_t 7411da177e4SLinus Torvalds snd_pmac_ctrl_intr(int irq, void *devid, struct pt_regs *regs) 7421da177e4SLinus Torvalds { 7431da177e4SLinus Torvalds pmac_t *chip = devid; 7441da177e4SLinus Torvalds int ctrl = in_le32(&chip->awacs->control); 7451da177e4SLinus Torvalds 7461da177e4SLinus Torvalds /*printk("pmac: control interrupt.. 0x%x\n", ctrl);*/ 7471da177e4SLinus Torvalds if (ctrl & MASK_PORTCHG) { 7481da177e4SLinus Torvalds /* do something when headphone is plugged/unplugged? */ 7491da177e4SLinus Torvalds if (chip->update_automute) 7501da177e4SLinus Torvalds chip->update_automute(chip, 1); 7511da177e4SLinus Torvalds } 7521da177e4SLinus Torvalds if (ctrl & MASK_CNTLERR) { 7531da177e4SLinus Torvalds int err = (in_le32(&chip->awacs->codec_stat) & MASK_ERRCODE) >> 16; 7541da177e4SLinus Torvalds if (err && chip->model <= PMAC_SCREAMER) 7551da177e4SLinus Torvalds snd_printk(KERN_DEBUG "error %x\n", err); 7561da177e4SLinus Torvalds } 7571da177e4SLinus Torvalds /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ 7581da177e4SLinus Torvalds out_le32(&chip->awacs->control, ctrl); 7591da177e4SLinus Torvalds return IRQ_HANDLED; 7601da177e4SLinus Torvalds } 7611da177e4SLinus Torvalds 7621da177e4SLinus Torvalds 7631da177e4SLinus Torvalds /* 7641da177e4SLinus Torvalds * a wrapper to feature call for compatibility 7651da177e4SLinus Torvalds */ 7661da177e4SLinus Torvalds static void snd_pmac_sound_feature(pmac_t *chip, int enable) 7671da177e4SLinus Torvalds { 7681da177e4SLinus Torvalds ppc_md.feature_call(PMAC_FTR_SOUND_CHIP_ENABLE, chip->node, 0, enable); 7691da177e4SLinus Torvalds } 7701da177e4SLinus Torvalds 7711da177e4SLinus Torvalds /* 7721da177e4SLinus Torvalds * release resources 7731da177e4SLinus Torvalds */ 7741da177e4SLinus Torvalds 7751da177e4SLinus Torvalds static int snd_pmac_free(pmac_t *chip) 7761da177e4SLinus Torvalds { 7771da177e4SLinus Torvalds /* stop sounds */ 7781da177e4SLinus Torvalds if (chip->initialized) { 7791da177e4SLinus Torvalds snd_pmac_dbdma_reset(chip); 7801da177e4SLinus Torvalds /* disable interrupts from awacs interface */ 7811da177e4SLinus Torvalds out_le32(&chip->awacs->control, in_le32(&chip->awacs->control) & 0xfff); 7821da177e4SLinus Torvalds } 7831da177e4SLinus Torvalds 7841da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 0); 7851da177e4SLinus Torvalds #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) 7861da177e4SLinus Torvalds snd_pmac_unregister_sleep_notifier(chip); 7871da177e4SLinus Torvalds #endif 7881da177e4SLinus Torvalds 7891da177e4SLinus Torvalds /* clean up mixer if any */ 7901da177e4SLinus Torvalds if (chip->mixer_free) 7911da177e4SLinus Torvalds chip->mixer_free(chip); 7921da177e4SLinus Torvalds 7931da177e4SLinus Torvalds snd_pmac_detach_beep(chip); 7941da177e4SLinus Torvalds 7951da177e4SLinus Torvalds /* release resources */ 7961da177e4SLinus Torvalds if (chip->irq >= 0) 7971da177e4SLinus Torvalds free_irq(chip->irq, (void*)chip); 7981da177e4SLinus Torvalds if (chip->tx_irq >= 0) 7991da177e4SLinus Torvalds free_irq(chip->tx_irq, (void*)chip); 8001da177e4SLinus Torvalds if (chip->rx_irq >= 0) 8011da177e4SLinus Torvalds free_irq(chip->rx_irq, (void*)chip); 8027bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->playback.cmd); 8037bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->capture.cmd); 8047bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_free(chip, &chip->extra_dma); 8051da177e4SLinus Torvalds if (chip->macio_base) 8061da177e4SLinus Torvalds iounmap(chip->macio_base); 8071da177e4SLinus Torvalds if (chip->latch_base) 8081da177e4SLinus Torvalds iounmap(chip->latch_base); 8091da177e4SLinus Torvalds if (chip->awacs) 8101da177e4SLinus Torvalds iounmap(chip->awacs); 8111da177e4SLinus Torvalds if (chip->playback.dma) 8121da177e4SLinus Torvalds iounmap(chip->playback.dma); 8131da177e4SLinus Torvalds if (chip->capture.dma) 8141da177e4SLinus Torvalds iounmap(chip->capture.dma); 8157bbd8277SBenjamin Herrenschmidt #ifndef CONFIG_PPC64 8161da177e4SLinus Torvalds if (chip->node) { 8177bbd8277SBenjamin Herrenschmidt int i; 8187bbd8277SBenjamin Herrenschmidt 8191da177e4SLinus Torvalds for (i = 0; i < 3; i++) { 8207bbd8277SBenjamin Herrenschmidt if (chip->of_requested & (1 << i)) { 8217bbd8277SBenjamin Herrenschmidt if (chip->is_k2) 8227bbd8277SBenjamin Herrenschmidt release_OF_resource(chip->node->parent, 8237bbd8277SBenjamin Herrenschmidt i); 8247bbd8277SBenjamin Herrenschmidt else 8251da177e4SLinus Torvalds release_OF_resource(chip->node, i); 8261da177e4SLinus Torvalds } 8271da177e4SLinus Torvalds } 8287bbd8277SBenjamin Herrenschmidt } 8297bbd8277SBenjamin Herrenschmidt #endif /* CONFIG_PPC64 */ 8307bbd8277SBenjamin Herrenschmidt if (chip->pdev) 8317bbd8277SBenjamin Herrenschmidt pci_dev_put(chip->pdev); 8321da177e4SLinus Torvalds kfree(chip); 8331da177e4SLinus Torvalds return 0; 8341da177e4SLinus Torvalds } 8351da177e4SLinus Torvalds 8361da177e4SLinus Torvalds 8371da177e4SLinus Torvalds /* 8381da177e4SLinus Torvalds * free the device 8391da177e4SLinus Torvalds */ 8401da177e4SLinus Torvalds static int snd_pmac_dev_free(snd_device_t *device) 8411da177e4SLinus Torvalds { 8421da177e4SLinus Torvalds pmac_t *chip = device->device_data; 8431da177e4SLinus Torvalds return snd_pmac_free(chip); 8441da177e4SLinus Torvalds } 8451da177e4SLinus Torvalds 8461da177e4SLinus Torvalds 8471da177e4SLinus Torvalds /* 8481da177e4SLinus Torvalds * check the machine support byteswap (little-endian) 8491da177e4SLinus Torvalds */ 8501da177e4SLinus Torvalds 8511da177e4SLinus Torvalds static void __init detect_byte_swap(pmac_t *chip) 8521da177e4SLinus Torvalds { 8531da177e4SLinus Torvalds struct device_node *mio; 8541da177e4SLinus Torvalds 8551da177e4SLinus Torvalds /* if seems that Keylargo can't byte-swap */ 8561da177e4SLinus Torvalds for (mio = chip->node->parent; mio; mio = mio->parent) { 8571da177e4SLinus Torvalds if (strcmp(mio->name, "mac-io") == 0) { 8581da177e4SLinus Torvalds if (device_is_compatible(mio, "Keylargo")) 8591da177e4SLinus Torvalds chip->can_byte_swap = 0; 8601da177e4SLinus Torvalds break; 8611da177e4SLinus Torvalds } 8621da177e4SLinus Torvalds } 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvalds /* it seems the Pismo & iBook can't byte-swap in hardware. */ 8651da177e4SLinus Torvalds if (machine_is_compatible("PowerBook3,1") || 8661da177e4SLinus Torvalds machine_is_compatible("PowerBook2,1")) 8671da177e4SLinus Torvalds chip->can_byte_swap = 0 ; 8681da177e4SLinus Torvalds 8691da177e4SLinus Torvalds if (machine_is_compatible("PowerBook2,1")) 8701da177e4SLinus Torvalds chip->can_duplex = 0; 8711da177e4SLinus Torvalds } 8721da177e4SLinus Torvalds 8731da177e4SLinus Torvalds 8741da177e4SLinus Torvalds /* 8751da177e4SLinus Torvalds * detect a sound chip 8761da177e4SLinus Torvalds */ 8771da177e4SLinus Torvalds static int __init snd_pmac_detect(pmac_t *chip) 8781da177e4SLinus Torvalds { 8791da177e4SLinus Torvalds struct device_node *sound; 8801da177e4SLinus Torvalds unsigned int *prop, l; 8817bbd8277SBenjamin Herrenschmidt struct macio_chip* macio; 8827bbd8277SBenjamin Herrenschmidt 883b75550e1SBenjamin Herrenschmidt u32 layout_id = 0; 8841da177e4SLinus Torvalds 8851da177e4SLinus Torvalds if (_machine != _MACH_Pmac) 8861da177e4SLinus Torvalds return -ENODEV; 8871da177e4SLinus Torvalds 8881da177e4SLinus Torvalds chip->subframe = 0; 8891da177e4SLinus Torvalds chip->revision = 0; 8901da177e4SLinus Torvalds chip->freqs_ok = 0xff; /* all ok */ 8911da177e4SLinus Torvalds chip->model = PMAC_AWACS; 8921da177e4SLinus Torvalds chip->can_byte_swap = 1; 8931da177e4SLinus Torvalds chip->can_duplex = 1; 8941da177e4SLinus Torvalds chip->can_capture = 1; 8951da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(awacs_freqs); 8961da177e4SLinus Torvalds chip->freq_table = awacs_freqs; 8971da177e4SLinus Torvalds 8981da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | MASK_IEE | 0x11; /* default */ 8991da177e4SLinus Torvalds 9001da177e4SLinus Torvalds /* check machine type */ 9011da177e4SLinus Torvalds if (machine_is_compatible("AAPL,3400/2400") 9021da177e4SLinus Torvalds || machine_is_compatible("AAPL,3500")) 9031da177e4SLinus Torvalds chip->is_pbook_3400 = 1; 9041da177e4SLinus Torvalds else if (machine_is_compatible("PowerBook1,1") 9051da177e4SLinus Torvalds || machine_is_compatible("AAPL,PowerBook1998")) 9061da177e4SLinus Torvalds chip->is_pbook_G3 = 1; 9071da177e4SLinus Torvalds chip->node = find_devices("awacs"); 9081da177e4SLinus Torvalds if (chip->node) 9091da177e4SLinus Torvalds return 0; /* ok */ 9101da177e4SLinus Torvalds 9111da177e4SLinus Torvalds /* 9121da177e4SLinus Torvalds * powermac G3 models have a node called "davbus" 9131da177e4SLinus Torvalds * with a child called "sound". 9141da177e4SLinus Torvalds */ 9151da177e4SLinus Torvalds chip->node = find_devices("davbus"); 9161da177e4SLinus Torvalds /* 9171da177e4SLinus Torvalds * if we didn't find a davbus device, try 'i2s-a' since 9181da177e4SLinus Torvalds * this seems to be what iBooks have 9191da177e4SLinus Torvalds */ 9207bbd8277SBenjamin Herrenschmidt if (! chip->node) { 9211da177e4SLinus Torvalds chip->node = find_devices("i2s-a"); 9227bbd8277SBenjamin Herrenschmidt if (chip->node && chip->node->parent && chip->node->parent->parent) { 9237bbd8277SBenjamin Herrenschmidt if (device_is_compatible(chip->node->parent->parent, 9247bbd8277SBenjamin Herrenschmidt "K2-Keylargo")) 9257bbd8277SBenjamin Herrenschmidt chip->is_k2 = 1; 9267bbd8277SBenjamin Herrenschmidt } 9277bbd8277SBenjamin Herrenschmidt } 9281da177e4SLinus Torvalds if (! chip->node) 9291da177e4SLinus Torvalds return -ENODEV; 9307bbd8277SBenjamin Herrenschmidt 9311da177e4SLinus Torvalds sound = find_devices("sound"); 9321da177e4SLinus Torvalds while (sound && sound->parent != chip->node) 9331da177e4SLinus Torvalds sound = sound->next; 9341da177e4SLinus Torvalds if (! sound) 9351da177e4SLinus Torvalds return -ENODEV; 9361da177e4SLinus Torvalds prop = (unsigned int *) get_property(sound, "sub-frame", NULL); 9371da177e4SLinus Torvalds if (prop && *prop < 16) 9381da177e4SLinus Torvalds chip->subframe = *prop; 939b75550e1SBenjamin Herrenschmidt prop = (unsigned int *) get_property(sound, "layout-id", NULL); 940b75550e1SBenjamin Herrenschmidt if (prop) 941b75550e1SBenjamin Herrenschmidt layout_id = *prop; 9421da177e4SLinus Torvalds /* This should be verified on older screamers */ 9431da177e4SLinus Torvalds if (device_is_compatible(sound, "screamer")) { 9441da177e4SLinus Torvalds chip->model = PMAC_SCREAMER; 9451da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9461da177e4SLinus Torvalds } 9471da177e4SLinus Torvalds if (device_is_compatible(sound, "burgundy")) { 9481da177e4SLinus Torvalds chip->model = PMAC_BURGUNDY; 9491da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9501da177e4SLinus Torvalds } 9511da177e4SLinus Torvalds if (device_is_compatible(sound, "daca")) { 9521da177e4SLinus Torvalds chip->model = PMAC_DACA; 9531da177e4SLinus Torvalds chip->can_capture = 0; /* no capture */ 9541da177e4SLinus Torvalds chip->can_duplex = 0; 9551da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9561da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9571da177e4SLinus Torvalds } 9581da177e4SLinus Torvalds if (device_is_compatible(sound, "tumbler")) { 9591da177e4SLinus Torvalds chip->model = PMAC_TUMBLER; 9601da177e4SLinus Torvalds chip->can_capture = 0; /* no capture */ 9611da177e4SLinus Torvalds chip->can_duplex = 0; 9621da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9631da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9641da177e4SLinus Torvalds chip->freq_table = tumbler_freqs; 9651da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9661da177e4SLinus Torvalds } 9671da177e4SLinus Torvalds if (device_is_compatible(sound, "snapper")) { 9681da177e4SLinus Torvalds chip->model = PMAC_SNAPPER; 9691da177e4SLinus Torvalds // chip->can_byte_swap = 0; /* FIXME: check this */ 9701da177e4SLinus Torvalds chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9711da177e4SLinus Torvalds chip->freq_table = tumbler_freqs; 9721da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 9731da177e4SLinus Torvalds } 974b75550e1SBenjamin Herrenschmidt if (device_is_compatible(sound, "AOAKeylargo") || 9757bbd8277SBenjamin Herrenschmidt device_is_compatible(sound, "AOAbase") || 9767bbd8277SBenjamin Herrenschmidt device_is_compatible(sound, "AOAK2")) { 977b75550e1SBenjamin Herrenschmidt /* For now, only support very basic TAS3004 based machines with 978b75550e1SBenjamin Herrenschmidt * single frequency until proper i2s control is implemented 979b75550e1SBenjamin Herrenschmidt */ 980b75550e1SBenjamin Herrenschmidt switch(layout_id) { 981b75550e1SBenjamin Herrenschmidt case 0x48: 982b75550e1SBenjamin Herrenschmidt case 0x46: 983b75550e1SBenjamin Herrenschmidt case 0x33: 984b75550e1SBenjamin Herrenschmidt case 0x29: 9857bbd8277SBenjamin Herrenschmidt case 0x24: 986b75550e1SBenjamin Herrenschmidt chip->num_freqs = ARRAY_SIZE(tumbler_freqs); 9871da177e4SLinus Torvalds chip->model = PMAC_SNAPPER; 988b75550e1SBenjamin Herrenschmidt chip->can_byte_swap = 0; /* FIXME: check this */ 9891da177e4SLinus Torvalds chip->control_mask = MASK_IEPC | 0x11; /* disable IEE */ 990b75550e1SBenjamin Herrenschmidt break; 991b75550e1SBenjamin Herrenschmidt } 9921da177e4SLinus Torvalds } 9931da177e4SLinus Torvalds prop = (unsigned int *)get_property(sound, "device-id", NULL); 9941da177e4SLinus Torvalds if (prop) 9951da177e4SLinus Torvalds chip->device_id = *prop; 9961da177e4SLinus Torvalds chip->has_iic = (find_devices("perch") != NULL); 9971da177e4SLinus Torvalds 9987bbd8277SBenjamin Herrenschmidt /* We need the PCI device for DMA allocations, let's use a crude method 9997bbd8277SBenjamin Herrenschmidt * for now ... 10007bbd8277SBenjamin Herrenschmidt */ 10017bbd8277SBenjamin Herrenschmidt macio = macio_find(chip->node, macio_unknown); 10027bbd8277SBenjamin Herrenschmidt if (macio == NULL) 10037bbd8277SBenjamin Herrenschmidt printk(KERN_WARNING "snd-powermac: can't locate macio !\n"); 10047bbd8277SBenjamin Herrenschmidt else { 10057bbd8277SBenjamin Herrenschmidt struct pci_dev *pdev = NULL; 10067bbd8277SBenjamin Herrenschmidt 10077bbd8277SBenjamin Herrenschmidt for_each_pci_dev(pdev) { 10087bbd8277SBenjamin Herrenschmidt struct device_node *np = pci_device_to_OF_node(pdev); 10097bbd8277SBenjamin Herrenschmidt if (np && np == macio->of_node) { 10107bbd8277SBenjamin Herrenschmidt chip->pdev = pdev; 10117bbd8277SBenjamin Herrenschmidt break; 10127bbd8277SBenjamin Herrenschmidt } 10137bbd8277SBenjamin Herrenschmidt } 10147bbd8277SBenjamin Herrenschmidt } 10157bbd8277SBenjamin Herrenschmidt if (chip->pdev == NULL) 10167bbd8277SBenjamin Herrenschmidt printk(KERN_WARNING "snd-powermac: can't locate macio PCI device !\n"); 10177bbd8277SBenjamin Herrenschmidt 10181da177e4SLinus Torvalds detect_byte_swap(chip); 10191da177e4SLinus Torvalds 10201da177e4SLinus Torvalds /* look for a property saying what sample rates 10211da177e4SLinus Torvalds are available */ 10221da177e4SLinus Torvalds prop = (unsigned int *) get_property(sound, "sample-rates", &l); 10231da177e4SLinus Torvalds if (! prop) 10241da177e4SLinus Torvalds prop = (unsigned int *) get_property(sound, "output-frame-rates", &l); 10251da177e4SLinus Torvalds if (prop) { 10261da177e4SLinus Torvalds int i; 10271da177e4SLinus Torvalds chip->freqs_ok = 0; 10281da177e4SLinus Torvalds for (l /= sizeof(int); l > 0; --l) { 10291da177e4SLinus Torvalds unsigned int r = *prop++; 10301da177e4SLinus Torvalds /* Apple 'Fixed' format */ 10311da177e4SLinus Torvalds if (r >= 0x10000) 10321da177e4SLinus Torvalds r >>= 16; 10331da177e4SLinus Torvalds for (i = 0; i < chip->num_freqs; ++i) { 10341da177e4SLinus Torvalds if (r == chip->freq_table[i]) { 10351da177e4SLinus Torvalds chip->freqs_ok |= (1 << i); 10361da177e4SLinus Torvalds break; 10371da177e4SLinus Torvalds } 10381da177e4SLinus Torvalds } 10391da177e4SLinus Torvalds } 10401da177e4SLinus Torvalds } else { 10411da177e4SLinus Torvalds /* assume only 44.1khz */ 10421da177e4SLinus Torvalds chip->freqs_ok = 1; 10431da177e4SLinus Torvalds } 10441da177e4SLinus Torvalds 10451da177e4SLinus Torvalds return 0; 10461da177e4SLinus Torvalds } 10471da177e4SLinus Torvalds 10481da177e4SLinus Torvalds /* 10491da177e4SLinus Torvalds * exported - boolean info callbacks for ease of programming 10501da177e4SLinus Torvalds */ 10511da177e4SLinus Torvalds int snd_pmac_boolean_stereo_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 10521da177e4SLinus Torvalds { 10531da177e4SLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 10541da177e4SLinus Torvalds uinfo->count = 2; 10551da177e4SLinus Torvalds uinfo->value.integer.min = 0; 10561da177e4SLinus Torvalds uinfo->value.integer.max = 1; 10571da177e4SLinus Torvalds return 0; 10581da177e4SLinus Torvalds } 10591da177e4SLinus Torvalds 10601da177e4SLinus Torvalds int snd_pmac_boolean_mono_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) 10611da177e4SLinus Torvalds { 10621da177e4SLinus Torvalds uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; 10631da177e4SLinus Torvalds uinfo->count = 1; 10641da177e4SLinus Torvalds uinfo->value.integer.min = 0; 10651da177e4SLinus Torvalds uinfo->value.integer.max = 1; 10661da177e4SLinus Torvalds return 0; 10671da177e4SLinus Torvalds } 10681da177e4SLinus Torvalds 10691da177e4SLinus Torvalds #ifdef PMAC_SUPPORT_AUTOMUTE 10701da177e4SLinus Torvalds /* 10711da177e4SLinus Torvalds * auto-mute 10721da177e4SLinus Torvalds */ 10731da177e4SLinus Torvalds static int pmac_auto_mute_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 10741da177e4SLinus Torvalds { 10751da177e4SLinus Torvalds pmac_t *chip = snd_kcontrol_chip(kcontrol); 10761da177e4SLinus Torvalds ucontrol->value.integer.value[0] = chip->auto_mute; 10771da177e4SLinus Torvalds return 0; 10781da177e4SLinus Torvalds } 10791da177e4SLinus Torvalds 10801da177e4SLinus Torvalds static int pmac_auto_mute_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 10811da177e4SLinus Torvalds { 10821da177e4SLinus Torvalds pmac_t *chip = snd_kcontrol_chip(kcontrol); 10831da177e4SLinus Torvalds if (ucontrol->value.integer.value[0] != chip->auto_mute) { 10841da177e4SLinus Torvalds chip->auto_mute = ucontrol->value.integer.value[0]; 10851da177e4SLinus Torvalds if (chip->update_automute) 10861da177e4SLinus Torvalds chip->update_automute(chip, 1); 10871da177e4SLinus Torvalds return 1; 10881da177e4SLinus Torvalds } 10891da177e4SLinus Torvalds return 0; 10901da177e4SLinus Torvalds } 10911da177e4SLinus Torvalds 10921da177e4SLinus Torvalds static int pmac_hp_detect_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) 10931da177e4SLinus Torvalds { 10941da177e4SLinus Torvalds pmac_t *chip = snd_kcontrol_chip(kcontrol); 10951da177e4SLinus Torvalds if (chip->detect_headphone) 10961da177e4SLinus Torvalds ucontrol->value.integer.value[0] = chip->detect_headphone(chip); 10971da177e4SLinus Torvalds else 10981da177e4SLinus Torvalds ucontrol->value.integer.value[0] = 0; 10991da177e4SLinus Torvalds return 0; 11001da177e4SLinus Torvalds } 11011da177e4SLinus Torvalds 11021da177e4SLinus Torvalds static snd_kcontrol_new_t auto_mute_controls[] __initdata = { 11031da177e4SLinus Torvalds { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 11041da177e4SLinus Torvalds .name = "Auto Mute Switch", 11051da177e4SLinus Torvalds .info = snd_pmac_boolean_mono_info, 11061da177e4SLinus Torvalds .get = pmac_auto_mute_get, 11071da177e4SLinus Torvalds .put = pmac_auto_mute_put, 11081da177e4SLinus Torvalds }, 11091da177e4SLinus Torvalds { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, 11101da177e4SLinus Torvalds .name = "Headphone Detection", 11111da177e4SLinus Torvalds .access = SNDRV_CTL_ELEM_ACCESS_READ, 11121da177e4SLinus Torvalds .info = snd_pmac_boolean_mono_info, 11131da177e4SLinus Torvalds .get = pmac_hp_detect_get, 11141da177e4SLinus Torvalds }, 11151da177e4SLinus Torvalds }; 11161da177e4SLinus Torvalds 11171da177e4SLinus Torvalds int __init snd_pmac_add_automute(pmac_t *chip) 11181da177e4SLinus Torvalds { 11191da177e4SLinus Torvalds int err; 11201da177e4SLinus Torvalds chip->auto_mute = 1; 11211da177e4SLinus Torvalds err = snd_ctl_add(chip->card, snd_ctl_new1(&auto_mute_controls[0], chip)); 11227bbd8277SBenjamin Herrenschmidt if (err < 0) { 11237bbd8277SBenjamin Herrenschmidt printk(KERN_ERR "snd-powermac: Failed to add automute control\n"); 11241da177e4SLinus Torvalds return err; 11257bbd8277SBenjamin Herrenschmidt } 11261da177e4SLinus Torvalds chip->hp_detect_ctl = snd_ctl_new1(&auto_mute_controls[1], chip); 11271da177e4SLinus Torvalds return snd_ctl_add(chip->card, chip->hp_detect_ctl); 11281da177e4SLinus Torvalds } 11291da177e4SLinus Torvalds #endif /* PMAC_SUPPORT_AUTOMUTE */ 11301da177e4SLinus Torvalds 11311da177e4SLinus Torvalds /* 11321da177e4SLinus Torvalds * create and detect a pmac chip record 11331da177e4SLinus Torvalds */ 11341da177e4SLinus Torvalds int __init snd_pmac_new(snd_card_t *card, pmac_t **chip_return) 11351da177e4SLinus Torvalds { 11361da177e4SLinus Torvalds pmac_t *chip; 11371da177e4SLinus Torvalds struct device_node *np; 11381da177e4SLinus Torvalds int i, err; 11397bbd8277SBenjamin Herrenschmidt unsigned long ctrl_addr, txdma_addr, rxdma_addr; 11401da177e4SLinus Torvalds static snd_device_ops_t ops = { 11411da177e4SLinus Torvalds .dev_free = snd_pmac_dev_free, 11421da177e4SLinus Torvalds }; 11431da177e4SLinus Torvalds 11441da177e4SLinus Torvalds snd_runtime_check(chip_return, return -EINVAL); 11451da177e4SLinus Torvalds *chip_return = NULL; 11461da177e4SLinus Torvalds 11471da177e4SLinus Torvalds chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); 11481da177e4SLinus Torvalds if (chip == NULL) 11491da177e4SLinus Torvalds return -ENOMEM; 11501da177e4SLinus Torvalds chip->card = card; 11511da177e4SLinus Torvalds 11521da177e4SLinus Torvalds spin_lock_init(&chip->reg_lock); 11531da177e4SLinus Torvalds chip->irq = chip->tx_irq = chip->rx_irq = -1; 11541da177e4SLinus Torvalds 11551da177e4SLinus Torvalds chip->playback.stream = SNDRV_PCM_STREAM_PLAYBACK; 11561da177e4SLinus Torvalds chip->capture.stream = SNDRV_PCM_STREAM_CAPTURE; 11571da177e4SLinus Torvalds 11581da177e4SLinus Torvalds if ((err = snd_pmac_detect(chip)) < 0) 11591da177e4SLinus Torvalds goto __error; 11601da177e4SLinus Torvalds 11617bbd8277SBenjamin Herrenschmidt if (snd_pmac_dbdma_alloc(chip, &chip->playback.cmd, PMAC_MAX_FRAGS + 1) < 0 || 11627bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_alloc(chip, &chip->capture.cmd, PMAC_MAX_FRAGS + 1) < 0 || 11637bbd8277SBenjamin Herrenschmidt snd_pmac_dbdma_alloc(chip, &chip->extra_dma, 2) < 0) { 11641da177e4SLinus Torvalds err = -ENOMEM; 11651da177e4SLinus Torvalds goto __error; 11661da177e4SLinus Torvalds } 11671da177e4SLinus Torvalds 11681da177e4SLinus Torvalds np = chip->node; 11697bbd8277SBenjamin Herrenschmidt if (chip->is_k2) { 11707bbd8277SBenjamin Herrenschmidt if (np->parent->n_addrs < 2 || np->n_intrs < 3) { 11717bbd8277SBenjamin Herrenschmidt err = -ENODEV; 11727bbd8277SBenjamin Herrenschmidt goto __error; 11737bbd8277SBenjamin Herrenschmidt } 11747bbd8277SBenjamin Herrenschmidt for (i = 0; i < 2; i++) { 11757bbd8277SBenjamin Herrenschmidt #ifndef CONFIG_PPC64 11767bbd8277SBenjamin Herrenschmidt static char *name[2] = { "- Control", "- DMA" }; 11777bbd8277SBenjamin Herrenschmidt if (! request_OF_resource(np->parent, i, name[i])) { 11787bbd8277SBenjamin Herrenschmidt snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i); 11797bbd8277SBenjamin Herrenschmidt err = -ENODEV; 11807bbd8277SBenjamin Herrenschmidt goto __error; 11817bbd8277SBenjamin Herrenschmidt } 11827bbd8277SBenjamin Herrenschmidt chip->of_requested |= (1 << i); 11837bbd8277SBenjamin Herrenschmidt #endif /* CONFIG_PPC64 */ 11847bbd8277SBenjamin Herrenschmidt ctrl_addr = np->parent->addrs[0].address; 11857bbd8277SBenjamin Herrenschmidt txdma_addr = np->parent->addrs[1].address; 11867bbd8277SBenjamin Herrenschmidt rxdma_addr = txdma_addr + 0x100; 11877bbd8277SBenjamin Herrenschmidt } 11887bbd8277SBenjamin Herrenschmidt 11897bbd8277SBenjamin Herrenschmidt } else { 11901da177e4SLinus Torvalds if (np->n_addrs < 3 || np->n_intrs < 3) { 11911da177e4SLinus Torvalds err = -ENODEV; 11921da177e4SLinus Torvalds goto __error; 11931da177e4SLinus Torvalds } 11941da177e4SLinus Torvalds 11951da177e4SLinus Torvalds for (i = 0; i < 3; i++) { 11967bbd8277SBenjamin Herrenschmidt #ifndef CONFIG_PPC64 11977bbd8277SBenjamin Herrenschmidt static char *name[3] = { "- Control", "- Tx DMA", "- Rx DMA" }; 11981da177e4SLinus Torvalds if (! request_OF_resource(np, i, name[i])) { 11991da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: can't request resource %d!\n", i); 12001da177e4SLinus Torvalds err = -ENODEV; 12011da177e4SLinus Torvalds goto __error; 12021da177e4SLinus Torvalds } 12031da177e4SLinus Torvalds chip->of_requested |= (1 << i); 12047bbd8277SBenjamin Herrenschmidt #endif /* CONFIG_PPC64 */ 12057bbd8277SBenjamin Herrenschmidt ctrl_addr = np->addrs[0].address; 12067bbd8277SBenjamin Herrenschmidt txdma_addr = np->addrs[1].address; 12077bbd8277SBenjamin Herrenschmidt rxdma_addr = np->addrs[2].address; 12087bbd8277SBenjamin Herrenschmidt } 12091da177e4SLinus Torvalds } 12101da177e4SLinus Torvalds 12117bbd8277SBenjamin Herrenschmidt chip->awacs = ioremap(ctrl_addr, 0x1000); 12127bbd8277SBenjamin Herrenschmidt chip->playback.dma = ioremap(txdma_addr, 0x100); 12137bbd8277SBenjamin Herrenschmidt chip->capture.dma = ioremap(rxdma_addr, 0x100); 12141da177e4SLinus Torvalds if (chip->model <= PMAC_BURGUNDY) { 12151da177e4SLinus Torvalds if (request_irq(np->intrs[0].line, snd_pmac_ctrl_intr, 0, 12161da177e4SLinus Torvalds "PMac", (void*)chip)) { 12171da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[0].line); 12181da177e4SLinus Torvalds err = -EBUSY; 12191da177e4SLinus Torvalds goto __error; 12201da177e4SLinus Torvalds } 12211da177e4SLinus Torvalds chip->irq = np->intrs[0].line; 12221da177e4SLinus Torvalds } 12231da177e4SLinus Torvalds if (request_irq(np->intrs[1].line, snd_pmac_tx_intr, 0, 12241da177e4SLinus Torvalds "PMac Output", (void*)chip)) { 12251da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[1].line); 12261da177e4SLinus Torvalds err = -EBUSY; 12271da177e4SLinus Torvalds goto __error; 12281da177e4SLinus Torvalds } 12291da177e4SLinus Torvalds chip->tx_irq = np->intrs[1].line; 12301da177e4SLinus Torvalds if (request_irq(np->intrs[2].line, snd_pmac_rx_intr, 0, 12311da177e4SLinus Torvalds "PMac Input", (void*)chip)) { 12321da177e4SLinus Torvalds snd_printk(KERN_ERR "pmac: unable to grab IRQ %d\n", np->intrs[2].line); 12331da177e4SLinus Torvalds err = -EBUSY; 12341da177e4SLinus Torvalds goto __error; 12351da177e4SLinus Torvalds } 12361da177e4SLinus Torvalds chip->rx_irq = np->intrs[2].line; 12371da177e4SLinus Torvalds 12381da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 1); 12391da177e4SLinus Torvalds 12401da177e4SLinus Torvalds /* reset */ 12417bbd8277SBenjamin Herrenschmidt if (chip->model == PMAC_AWACS) 12421da177e4SLinus Torvalds out_le32(&chip->awacs->control, 0x11); 12431da177e4SLinus Torvalds 12441da177e4SLinus Torvalds /* Powerbooks have odd ways of enabling inputs such as 12451da177e4SLinus Torvalds an expansion-bay CD or sound from an internal modem 12461da177e4SLinus Torvalds or a PC-card modem. */ 12471da177e4SLinus Torvalds if (chip->is_pbook_3400) { 12481da177e4SLinus Torvalds /* Enable CD and PC-card sound inputs. */ 12491da177e4SLinus Torvalds /* This is done by reading from address 12501da177e4SLinus Torvalds * f301a000, + 0x10 to enable the expansion-bay 12511da177e4SLinus Torvalds * CD sound input, + 0x80 to enable the PC-card 12521da177e4SLinus Torvalds * sound input. The 0x100 enables the SCSI bus 12531da177e4SLinus Torvalds * terminator power. 12541da177e4SLinus Torvalds */ 12551da177e4SLinus Torvalds chip->latch_base = ioremap (0xf301a000, 0x1000); 12561da177e4SLinus Torvalds in_8(chip->latch_base + 0x190); 12571da177e4SLinus Torvalds } else if (chip->is_pbook_G3) { 12581da177e4SLinus Torvalds struct device_node* mio; 12591da177e4SLinus Torvalds for (mio = chip->node->parent; mio; mio = mio->parent) { 12601da177e4SLinus Torvalds if (strcmp(mio->name, "mac-io") == 0 12611da177e4SLinus Torvalds && mio->n_addrs > 0) { 12621da177e4SLinus Torvalds chip->macio_base = ioremap(mio->addrs[0].address, 0x40); 12631da177e4SLinus Torvalds break; 12641da177e4SLinus Torvalds } 12651da177e4SLinus Torvalds } 12661da177e4SLinus Torvalds /* Enable CD sound input. */ 12671da177e4SLinus Torvalds /* The relevant bits for writing to this byte are 0x8f. 12681da177e4SLinus Torvalds * I haven't found out what the 0x80 bit does. 12691da177e4SLinus Torvalds * For the 0xf bits, writing 3 or 7 enables the CD 12701da177e4SLinus Torvalds * input, any other value disables it. Values 12711da177e4SLinus Torvalds * 1, 3, 5, 7 enable the microphone. Values 0, 2, 12721da177e4SLinus Torvalds * 4, 6, 8 - f enable the input from the modem. 12731da177e4SLinus Torvalds */ 12741da177e4SLinus Torvalds if (chip->macio_base) 12751da177e4SLinus Torvalds out_8(chip->macio_base + 0x37, 3); 12761da177e4SLinus Torvalds } 12771da177e4SLinus Torvalds 12781da177e4SLinus Torvalds /* Reset dbdma channels */ 12791da177e4SLinus Torvalds snd_pmac_dbdma_reset(chip); 12801da177e4SLinus Torvalds 12811da177e4SLinus Torvalds #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) 12821da177e4SLinus Torvalds /* add sleep notifier */ 12831da177e4SLinus Torvalds if (! snd_pmac_register_sleep_notifier(chip)) 12841da177e4SLinus Torvalds snd_card_set_pm_callback(chip->card, snd_pmac_suspend, snd_pmac_resume, chip); 12851da177e4SLinus Torvalds #endif 12861da177e4SLinus Torvalds 12871da177e4SLinus Torvalds if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) 12881da177e4SLinus Torvalds goto __error; 12891da177e4SLinus Torvalds 12901da177e4SLinus Torvalds *chip_return = chip; 12911da177e4SLinus Torvalds return 0; 12921da177e4SLinus Torvalds 12931da177e4SLinus Torvalds __error: 12947bbd8277SBenjamin Herrenschmidt if (chip->pdev) 12957bbd8277SBenjamin Herrenschmidt pci_dev_put(chip->pdev); 12961da177e4SLinus Torvalds snd_pmac_free(chip); 12971da177e4SLinus Torvalds return err; 12981da177e4SLinus Torvalds } 12991da177e4SLinus Torvalds 13001da177e4SLinus Torvalds 13011da177e4SLinus Torvalds /* 13021da177e4SLinus Torvalds * sleep notify for powerbook 13031da177e4SLinus Torvalds */ 13041da177e4SLinus Torvalds 13051da177e4SLinus Torvalds #if defined(CONFIG_PM) && defined(CONFIG_PMAC_PBOOK) 13061da177e4SLinus Torvalds 13071da177e4SLinus Torvalds /* 13081da177e4SLinus Torvalds * Save state when going to sleep, restore it afterwards. 13091da177e4SLinus Torvalds */ 13101da177e4SLinus Torvalds 13111da177e4SLinus Torvalds static int snd_pmac_suspend(snd_card_t *card, pm_message_t state) 13121da177e4SLinus Torvalds { 13131da177e4SLinus Torvalds pmac_t *chip = card->pm_private_data; 13141da177e4SLinus Torvalds unsigned long flags; 13151da177e4SLinus Torvalds 13161da177e4SLinus Torvalds if (chip->suspend) 13171da177e4SLinus Torvalds chip->suspend(chip); 13181da177e4SLinus Torvalds snd_pcm_suspend_all(chip->pcm); 13191da177e4SLinus Torvalds spin_lock_irqsave(&chip->reg_lock, flags); 13201da177e4SLinus Torvalds snd_pmac_beep_stop(chip); 13211da177e4SLinus Torvalds spin_unlock_irqrestore(&chip->reg_lock, flags); 13221da177e4SLinus Torvalds if (chip->irq >= 0) 13231da177e4SLinus Torvalds disable_irq(chip->irq); 13241da177e4SLinus Torvalds if (chip->tx_irq >= 0) 13251da177e4SLinus Torvalds disable_irq(chip->tx_irq); 13261da177e4SLinus Torvalds if (chip->rx_irq >= 0) 13271da177e4SLinus Torvalds disable_irq(chip->rx_irq); 13281da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 0); 13291da177e4SLinus Torvalds return 0; 13301da177e4SLinus Torvalds } 13311da177e4SLinus Torvalds 13321da177e4SLinus Torvalds static int snd_pmac_resume(snd_card_t *card) 13331da177e4SLinus Torvalds { 13341da177e4SLinus Torvalds pmac_t *chip = card->pm_private_data; 13351da177e4SLinus Torvalds 13361da177e4SLinus Torvalds snd_pmac_sound_feature(chip, 1); 13371da177e4SLinus Torvalds if (chip->resume) 13381da177e4SLinus Torvalds chip->resume(chip); 13391da177e4SLinus Torvalds /* enable CD sound input */ 13401da177e4SLinus Torvalds if (chip->macio_base && chip->is_pbook_G3) { 13411da177e4SLinus Torvalds out_8(chip->macio_base + 0x37, 3); 13421da177e4SLinus Torvalds } else if (chip->is_pbook_3400) { 13431da177e4SLinus Torvalds in_8(chip->latch_base + 0x190); 13441da177e4SLinus Torvalds } 13451da177e4SLinus Torvalds 13461da177e4SLinus Torvalds snd_pmac_pcm_set_format(chip); 13471da177e4SLinus Torvalds 13481da177e4SLinus Torvalds if (chip->irq >= 0) 13491da177e4SLinus Torvalds enable_irq(chip->irq); 13501da177e4SLinus Torvalds if (chip->tx_irq >= 0) 13511da177e4SLinus Torvalds enable_irq(chip->tx_irq); 13521da177e4SLinus Torvalds if (chip->rx_irq >= 0) 13531da177e4SLinus Torvalds enable_irq(chip->rx_irq); 13541da177e4SLinus Torvalds 13551da177e4SLinus Torvalds return 0; 13561da177e4SLinus Torvalds } 13571da177e4SLinus Torvalds 13581da177e4SLinus Torvalds /* the chip is stored statically by snd_pmac_register_sleep_notifier 13591da177e4SLinus Torvalds * because we can't have any private data for notify callback. 13601da177e4SLinus Torvalds */ 13611da177e4SLinus Torvalds static pmac_t *sleeping_pmac = NULL; 13621da177e4SLinus Torvalds 13631da177e4SLinus Torvalds static int snd_pmac_sleep_notify(struct pmu_sleep_notifier *self, int when) 13641da177e4SLinus Torvalds { 13651da177e4SLinus Torvalds pmac_t *chip; 13661da177e4SLinus Torvalds 13671da177e4SLinus Torvalds chip = sleeping_pmac; 13681da177e4SLinus Torvalds snd_runtime_check(chip, return 0); 13691da177e4SLinus Torvalds 13701da177e4SLinus Torvalds switch (when) { 13711da177e4SLinus Torvalds case PBOOK_SLEEP_NOW: 13721da177e4SLinus Torvalds snd_pmac_suspend(chip->card, PMSG_SUSPEND); 13731da177e4SLinus Torvalds break; 13741da177e4SLinus Torvalds case PBOOK_WAKE: 13751da177e4SLinus Torvalds snd_pmac_resume(chip->card); 13761da177e4SLinus Torvalds break; 13771da177e4SLinus Torvalds } 13781da177e4SLinus Torvalds return PBOOK_SLEEP_OK; 13791da177e4SLinus Torvalds } 13801da177e4SLinus Torvalds 13811da177e4SLinus Torvalds static struct pmu_sleep_notifier snd_pmac_sleep_notifier = { 13821da177e4SLinus Torvalds snd_pmac_sleep_notify, SLEEP_LEVEL_SOUND, 13831da177e4SLinus Torvalds }; 13841da177e4SLinus Torvalds 13851da177e4SLinus Torvalds static int __init snd_pmac_register_sleep_notifier(pmac_t *chip) 13861da177e4SLinus Torvalds { 13871da177e4SLinus Torvalds /* should be protected here.. */ 13881da177e4SLinus Torvalds snd_assert(! sleeping_pmac, return -EBUSY); 13891da177e4SLinus Torvalds sleeping_pmac = chip; 13901da177e4SLinus Torvalds pmu_register_sleep_notifier(&snd_pmac_sleep_notifier); 13911da177e4SLinus Torvalds return 0; 13921da177e4SLinus Torvalds } 13931da177e4SLinus Torvalds 13941da177e4SLinus Torvalds static int snd_pmac_unregister_sleep_notifier(pmac_t *chip) 13951da177e4SLinus Torvalds { 13961da177e4SLinus Torvalds /* should be protected here.. */ 13971da177e4SLinus Torvalds snd_assert(sleeping_pmac == chip, return -ENODEV); 13981da177e4SLinus Torvalds pmu_unregister_sleep_notifier(&snd_pmac_sleep_notifier); 13991da177e4SLinus Torvalds sleeping_pmac = NULL; 14001da177e4SLinus Torvalds return 0; 14011da177e4SLinus Torvalds } 14021da177e4SLinus Torvalds 14031da177e4SLinus Torvalds #endif /* CONFIG_PM && CONFIG_PMAC_PBOOK */ 1404