diff options
Diffstat (limited to 'sound/oss/dmasound/dmasound_awacs.c')
| -rw-r--r-- | sound/oss/dmasound/dmasound_awacs.c | 3215 |
1 files changed, 0 insertions, 3215 deletions
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c deleted file mode 100644 index 8f6388004f44..000000000000 --- a/sound/oss/dmasound/dmasound_awacs.c +++ /dev/null @@ -1,3215 +0,0 @@ -/* - * linux/sound/oss/dmasound/dmasound_awacs.c - * - * PowerMac `AWACS' and `Burgundy' DMA Sound Driver - * with some limited support for DACA & Tumbler - * - * See linux/sound/oss/dmasound/dmasound_core.c for copyright and - * history prior to 2001/01/26. - * - * 26/01/2001 ed 0.1 Iain Sandoe - * - added version info. - * - moved dbdma command buffer allocation to PMacXXXSqSetup() - * - fixed up beep dbdma cmd buffers - * - * 08/02/2001 [0.2] - * - make SNDCTL_DSP_GETFMTS return the correct info for the h/w - * - move soft format translations to a separate file - * - [0.3] make SNDCTL_DSP_GETCAPS return correct info. - * - [0.4] more informative machine name strings. - * - [0.5] - * - record changes. - * - made the default_hard/soft entries. - * 04/04/2001 [0.6] - * - minor correction to bit assignments in awacs_defs.h - * - incorporate mixer changes from 2.2.x back-port. - * - take out passthru as a rec input (it isn't). - * - make Input Gain slider work the 'right way up'. - * - try to make the mixer sliders more logical - so now the - * input selectors are just two-state (>50% == ON) and the - * Input Gain slider handles the rest of the gain issues. - * - try to pick slider representations that most closely match - * the actual use - e.g. IGain for input gain... - * - first stab at over/under-run detection. - * - minor cosmetic changes to IRQ identification. - * - fix bug where rates > max would be reported as supported. - * - first stab at over/under-run detection. - * - make use of i2c for mixer settings conditional on perch - * rather than cuda (some machines without perch have cuda). - * - fix bug where TX stops when dbdma status comes up "DEAD" - * so far only reported on PowerComputing clones ... but. - * - put in AWACS/Screamer register write timeouts. - * - part way to partitioning the init() stuff - * - first pass at 'tumbler' stuff (not support - just an attempt - * to allow the driver to load on new G4s). - * 01/02/2002 [0.7] - BenH - * - all sort of minor bits went in since the latest update, I - * bumped the version number for that reason - * - * 07/26/2002 [0.8] - BenH - * - More minor bits since last changelog (I should be more careful - * with those) - * - Support for snapper & better tumbler integration by Toby Sargeant - * - Headphone detect for scremer by Julien Blache - * - More tumbler fixed by Andreas Schwab - * 11/29/2003 [0.8.1] - Renzo Davoli (King Enzo) - * - Support for Snapper line in - * - snapper input resampling (for rates < 44100) - * - software line gain control - */ - -/* GENERAL FIXME/TODO: check that the assumptions about what is written to - mac-io is valid for DACA & Tumbler. - - This driver is in bad need of a rewrite. The dbdma code has to be split, - some proper device-tree parsing code has to be written, etc... -*/ - -#include <linux/types.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/soundcard.h> -#include <linux/adb.h> -#include <linux/nvram.h> -#include <linux/tty.h> -#include <linux/vt_kern.h> -#include <linux/spinlock.h> -#include <linux/kmod.h> -#include <linux/interrupt.h> -#include <linux/input.h> -#include <linux/mutex.h> -#ifdef CONFIG_ADB_CUDA -#include <linux/cuda.h> -#endif -#ifdef CONFIG_ADB_PMU -#include <linux/pmu.h> -#endif - -#include <asm/uaccess.h> -#include <asm/prom.h> -#include <asm/machdep.h> -#include <asm/io.h> -#include <asm/dbdma.h> -#include <asm/pmac_feature.h> -#include <asm/irq.h> -#include <asm/nvram.h> - -#include "awacs_defs.h" -#include "dmasound.h" -#include "tas3001c.h" -#include "tas3004.h" -#include "tas_common.h" - -#define DMASOUND_AWACS_REVISION 0 -#define DMASOUND_AWACS_EDITION 7 - -#define AWACS_SNAPPER 110 /* fake revision # for snapper */ -#define AWACS_BURGUNDY 100 /* fake revision # for burgundy */ -#define AWACS_TUMBLER 90 /* fake revision # for tumbler */ -#define AWACS_DACA 80 /* fake revision # for daca (ibook) */ -#define AWACS_AWACS 2 /* holding revision for AWACS */ -#define AWACS_SCREAMER 3 /* holding revision for Screamer */ -/* - * Interrupt numbers and addresses, & info obtained from the device tree. - */ -static int awacs_irq, awacs_tx_irq, awacs_rx_irq; -static volatile struct awacs_regs __iomem *awacs; -static volatile u32 __iomem *i2s; -static volatile struct dbdma_regs __iomem *awacs_txdma, *awacs_rxdma; -static int awacs_rate_index; -static int awacs_subframe; -static struct device_node* awacs_node; -static struct device_node* i2s_node; -static struct resource awacs_rsrc[3]; - -static char awacs_name[64]; -static int awacs_revision; -static int awacs_sleeping; -static DEFINE_MUTEX(dmasound_mutex); - -static int sound_device_id; /* exists after iMac revA */ -static int hw_can_byteswap = 1 ; /* most pmac sound h/w can */ - -/* model info */ -/* To be replaced with better interaction with pmac_feature.c */ -static int is_pbook_3X00; -static int is_pbook_g3; - -/* expansion info */ -static int has_perch; -static int has_ziva; - -/* for earlier powerbooks which need fiddling with mac-io to enable - * cd etc. -*/ -static unsigned char __iomem *latch_base; -static unsigned char __iomem *macio_base; - -/* - * Space for the DBDMA command blocks. - */ -static void *awacs_tx_cmd_space; -static volatile struct dbdma_cmd *awacs_tx_cmds; -static int number_of_tx_cmd_buffers; - -static void *awacs_rx_cmd_space; -static volatile struct dbdma_cmd *awacs_rx_cmds; -static int number_of_rx_cmd_buffers; - -/* - * Cached values of AWACS registers (we can't read them). - * Except on the burgundy (and screamer). XXX - */ - -int awacs_reg[8]; -int awacs_reg1_save; - -/* tracking values for the mixer contents -*/ - -static int spk_vol; -static int line_vol; -static int passthru_vol; - -static int ip_gain; /* mic preamp settings */ -static int rec_lev = 0x4545 ; /* default CD gain 69 % */ -static int mic_lev; -static int cd_lev = 0x6363 ; /* 99 % */ -static int line_lev; - -static int hdp_connected; - -/* - * Stuff for outputting a beep. The values range from -327 to +327 - * so we can multiply by an amplitude in the range 0..100 to get a - * signed short value to put in the output buffer. - */ -static short beep_wform[256] = { - 0, 40, 79, 117, 153, 187, 218, 245, - 269, 288, 304, 316, 323, 327, 327, 324, - 318, 310, 299, 288, 275, 262, 249, 236, - 224, 213, 204, 196, 190, 186, 183, 182, - 182, 183, 186, 189, 192, 196, 200, 203, - 206, 208, 209, 209, 209, 207, 204, 201, - 197, 193, 188, 183, 179, 174, 170, 166, - 163, 161, 160, 159, 159, 160, 161, 162, - 164, 166, 168, 169, 171, 171, 171, 170, - 169, 167, 163, 159, 155, 150, 144, 139, - 133, 128, 122, 117, 113, 110, 107, 105, - 103, 103, 103, 103, 104, 104, 105, 105, - 105, 103, 101, 97, 92, 86, 78, 68, - 58, 45, 32, 18, 3, -11, -26, -41, - -55, -68, -79, -88, -95, -100, -102, -102, - -99, -93, -85, -75, -62, -48, -33, -16, - 0, 16, 33, 48, 62, 75, 85, 93, - 99, 102, 102, 100, 95, 88, 79, 68, - 55, 41, 26, 11, -3, -18, -32, -45, - -58, -68, -78, -86, -92, -97, -101, -103, - -105, -105, -105, -104, -104, -103, -103, -103, - -103, -105, -107, -110, -113, -117, -122, -128, - -133, -139, -144, -150, -155, -159, -163, -167, - -169, -170, -171, -171, -171, -169, -168, -166, - -164, -162, -161, -160, -159, -159, -160, -161, - -163, -166, -170, -174, -179, -183, -188, -193, - -197, -201, -204, -207, -209, -209, -209, -208, - -206, -203, -200, -196, -192, -189, -186, -183, - -182, -182, -183, -186, -190, -196, -204, -213, - -224, -236, -249, -262, -275, -288, -299, -310, - -318, -324, -327, -327, -323, -316, -304, -288, - -269, -245, -218, -187, -153, -117, -79, -40, -}; - -/* beep support */ -#define BEEP_SRATE 22050 /* 22050 Hz sample rate */ -#define BEEP_BUFLEN 512 -#define BEEP_VOLUME 15 /* 0 - 100 */ - -static int beep_vol = BEEP_VOLUME; -static int beep_playing; -static int awacs_beep_state; -static short *beep_buf; -static void *beep_dbdma_cmd_space; -static volatile struct dbdma_cmd *beep_dbdma_cmd; - -/* Burgundy functions */ -static void awacs_burgundy_wcw(unsigned addr,unsigned newval); -static unsigned awacs_burgundy_rcw(unsigned addr); -static void awacs_burgundy_write_volume(unsigned address, int volume); -static int awacs_burgundy_read_volume(unsigned address); -static void awacs_burgundy_write_mvolume(unsigned address, int volume); -static int awacs_burgundy_read_mvolume(unsigned address); - -/* we will allocate a single 'emergency' dbdma cmd block to use if the - tx status comes up "DEAD". This happens on some PowerComputing Pmac - clones, either owing to a bug in dbdma or some interaction between - IDE and sound. However, this measure would deal with DEAD status if - if appeared elsewhere. - - for the sake of memory efficiency we'll allocate this cmd as part of - the beep cmd stuff. -*/ - -static volatile struct dbdma_cmd *emergency_dbdma_cmd; - -#ifdef CONFIG_PM -/* - * Stuff for restoring after a sleep. - */ -static void awacs_sleep_notify(struct pmu_sleep_notifier *self, int when); -struct pmu_sleep_notifier awacs_sleep_notifier = { - awacs_sleep_notify, SLEEP_LEVEL_SOUND, -}; -#endif /* CONFIG_PM */ - -/* for (soft) sample rate translations */ -int expand_bal; /* Balance factor for expanding (not volume!) */ -int expand_read_bal; /* Balance factor for expanding reads (not volume!) */ - -/*** Low level stuff *********************************************************/ - -static void *PMacAlloc(unsigned int size, gfp_t flags); -static void PMacFree(void *ptr, unsigned int size); -static int PMacIrqInit(void); -#ifdef MODULE -static void PMacIrqCleanup(void); -#endif -static void PMacSilence(void); -static void PMacInit(void); -static int PMacSetFormat(int format); -static int PMacSetVolume(int volume); -static void PMacPlay(void); -static void PMacRecord(void); -static irqreturn_t pmac_awacs_tx_intr(int irq, void *devid); -static irqreturn_t pmac_awacs_rx_intr(int irq, void *devid); -static irqreturn_t pmac_awacs_intr(int irq, void *devid); -static void awacs_write(int val); -static int awacs_get_volume(int reg, int lshift); -static int awacs_volume_setter(int volume, int n, int mute, int lshift); - - -/*** Mid level stuff **********************************************************/ - -static int PMacMixerIoctl(u_int cmd, u_long arg); -static int PMacWriteSqSetup(void); -static int PMacReadSqSetup(void); -static void PMacAbortRead(void); - -extern TRANS transAwacsNormal ; -extern TRANS transAwacsExpand ; -extern TRANS transAwacsNormalRead ; -extern TRANS transAwacsExpandRead ; - -extern int daca_init(void); -extern void daca_cleanup(void); -extern int daca_set_volume(uint left_vol, uint right_vol); -extern void daca_get_volume(uint * left_vol, uint *right_vol); -extern int daca_enter_sleep(void); -extern int daca_leave_sleep(void); - -#define TRY_LOCK() \ - if ((rc = mutex_lock_interruptible(&dmasound_mutex)) != 0) \ - return rc; -#define LOCK() mutex_lock(&dmasound_mutex); - -#define UNLOCK() mutex_unlock(&dmasound_mutex); - -/* We use different versions that the ones provided in dmasound.h - * - * FIXME: Use different names ;) - */ -#undef IOCTL_IN -#undef IOCTL_OUT - -#define IOCTL_IN(arg, ret) \ - rc = get_user(ret, (int __user *)(arg)); \ - if (rc) break; -#define IOCTL_OUT(arg, ret) \ - ioctl_return2((int __user *)(arg), ret) - -static inline int ioctl_return2(int __user *addr, int value) -{ - return value < 0 ? value : put_user(value, addr); -} - - -/*** AE - TUMBLER / SNAPPER START ************************************************/ - - -int gpio_audio_reset, gpio_audio_reset_pol; -int gpio_amp_mute, gpio_amp_mute_pol; -int gpio_headphone_mute, gpio_headphone_mute_pol; -int gpio_headphone_detect, gpio_headphone_detect_pol; -int gpio_headphone_irq; - -int -setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* gpio_pol) -{ - struct device_node *gpiop; - struct device_node *np; - const u32* pp; - int ret = -ENODEV; - - gpiop = of_find_node_by_name(NULL, "gpio"); - if (!gpiop) - goto done; - - np = of_get_next_child(gpiop, NULL); - while(np != 0) { - if (name) { - const char *property = - of_get_property(np,"audio-gpio",NULL); - if (property != 0 && strcmp(property,name) == 0) - break; - } else if (compatible && of_device_is_compatible(np, compatible)) - break; - np = of_get_next_child(gpiop, np); - } - if (!np) - goto done; - pp = of_get_property(np, "AAPL,address", NULL); - if (!pp) - goto done; - *gpio_addr = (*pp) & 0x0000ffff; - pp = of_get_property(np, "audio-gpio-active-state", NULL); - if (pp) - *gpio_pol = *pp; - else - *gpio_pol = 1; - ret = irq_of_parse_and_map(np, 0); -done: - of_node_put(np); - of_node_put(gpiop); - return ret; -} - -static inline void -write_audio_gpio(int gpio_addr, int data) -{ - if (!gpio_addr) - return; - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, gpio_addr, data ? 0x05 : 0x04); -} - -static inline int -read_audio_gpio(int gpio_addr) -{ - if (!gpio_addr) - return 0; - return ((pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, gpio_addr, 0) & 0x02) !=0); -} - -/* - * Headphone interrupt via GPIO (Tumbler, Snapper, DACA) - */ -static irqreturn_t -headphone_intr(int irq, void *devid) -{ - unsigned long flags; - - spin_lock_irqsave(&dmasound.lock, flags); - if (read_audio_gpio(gpio_headphone_detect) == gpio_headphone_detect_pol) { - printk(KERN_INFO "Audio jack plugged, muting speakers.\n"); - write_audio_gpio(gpio_headphone_mute, !gpio_headphone_mute_pol); - write_audio_gpio(gpio_amp_mute, gpio_amp_mute_pol); - tas_output_device_change(sound_device_id,TAS_OUTPUT_HEADPHONES,0); - } else { - printk(KERN_INFO "Audio jack unplugged, enabling speakers.\n"); - write_audio_gpio(gpio_amp_mute, !gpio_amp_mute_pol); - write_audio_gpio(gpio_headphone_mute, gpio_headphone_mute_pol); - tas_output_device_change(sound_device_id,TAS_OUTPUT_INTERNAL_SPKR,0); - } - spin_unlock_irqrestore(&dmasound.lock, flags); - return IRQ_HANDLED; -} - - -/* Initialize tumbler */ - -static int -tas_dmasound_init(void) -{ - setup_audio_gpio( - "audio-hw-reset", - NULL, - &gpio_audio_reset, - &gpio_audio_reset_pol); - setup_audio_gpio( - "amp-mute", - NULL, - &gpio_amp_mute, - &gpio_amp_mute_pol); - setup_audio_gpio("headphone-mute", - NULL, - &gpio_headphone_mute, - &gpio_headphone_mute_pol); - gpio_headphone_irq = setup_audio_gpio( - "headphone-detect", - NULL, - &gpio_headphone_detect, - &gpio_headphone_detect_pol); - /* Fix some broken OF entries in desktop machines */ - if (!gpio_headphone_irq) - gpio_headphone_irq = setup_audio_gpio( - NULL, - "keywest-gpio15", - &gpio_headphone_detect, - &gpio_headphone_detect_pol); - - write_audio_gpio(gpio_audio_reset, gpio_audio_reset_pol); - msleep(100); - write_audio_gpio(gpio_audio_reset, !gpio_audio_reset_pol); - msleep(100); - if (gpio_headphone_irq) { - if (request_irq(gpio_headphone_irq,headphone_intr,0,"Headphone detect",NULL) < 0) { - printk(KERN_ERR "tumbler: Can't request headphone interrupt\n"); - gpio_headphone_irq = 0; - } else { - u8 val; - /* Activate headphone status interrupts */ - val = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, gpio_headphone_detect, 0); - pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, gpio_headphone_detect, val | 0x80); - /* Trigger it */ - headphone_intr(0, NULL); - } - } - if (!gpio_headphone_irq) { - /* Some machine enter this case ? */ - printk(KERN_WARNING "tumbler: Headphone detect IRQ not found, enabling all outputs !\n"); - write_audio_gpio(gpio_amp_mute, !gpio_amp_mute_pol); - write_audio_gpio(gpio_headphone_mute, !gpio_headphone_mute_pol); - } - return 0; -} - - -static int -tas_dmasound_cleanup(void) -{ - if (gpio_headphone_irq) - free_irq(gpio_headphone_irq, NULL); - return 0; -} - -/* We don't support 48k yet */ -static int tas_freqs[1] = { 44100 } ; -static int tas_freqs_ok[1] = { 1 } ; - -/* don't know what to do really - just have to leave it where - * OF left things -*/ - -static int -tas_set_frame_rate(void) -{ - if (i2s) { - out_le32(i2s + (I2S_REG_SERIAL_FORMAT >> 2), 0x41190000); - out_le32(i2s + (I2S_REG_DATAWORD_SIZES >> 2), 0x02000200); - } - dmasound.hard.speed = 44100 ; - awacs_rate_index = 0 ; - return 44100 ; -} - -static int -tas_mixer_ioctl(u_int cmd, u_long arg) -{ - int __user *argp = (int __user *)arg; - int data; - int rc; - - rc=tas_device_ioctl(cmd, arg); - if (rc != -EINVAL) { - return rc; - } - - if ((cmd & ~0xff) == MIXER_WRITE(0) && - tas_supported_mixers() & (1<<(cmd & 0xff))) { - rc = get_user(data, argp); - if (rc<0) return rc; - tas_set_mixer_level(cmd & 0xff, data); - tas_get_mixer_level(cmd & 0xff, &data); - return ioctl_return2(argp, data); - } - if ((cmd & ~0xff) == MIXER_READ(0) && - tas_supported_mixers() & (1<<(cmd & 0xff))) { - tas_get_mixer_level(cmd & 0xff, &data); - return ioctl_return2(argp, data); - } - - switch(cmd) { - case SOUND_MIXER_READ_DEVMASK: - data = tas_supported_mixers() | SOUND_MASK_SPEAKER; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_STEREODEVS: - data = tas_stereo_mixers(); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_CAPS: - rc = IOCTL_OUT(arg, 0); - break; - case SOUND_MIXER_READ_RECMASK: - // XXX FIXME: find a way to check what is really available */ - data = SOUND_MASK_LINE | SOUND_MASK_MIC; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECSRC: - if (awacs_reg[0] & MASK_MUX_AUDIN) - data |= SOUND_MASK_LINE; - if (awacs_reg[0] & MASK_MUX_MIC) - data |= SOUND_MASK_MIC; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_RECSRC: - IOCTL_IN(arg, data); - data =0; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_SPEAKER: /* really bell volume */ - IOCTL_IN(arg, data); - beep_vol = data & 0xff; - /* fall through */ - case SOUND_MIXER_READ_SPEAKER: - rc = IOCTL_OUT(arg, (beep_vol<<8) | beep_vol); - break; - case SOUND_MIXER_OUTMASK: - case SOUND_MIXER_OUTSRC: - default: - rc = -EINVAL; - } - - return rc; -} - -static void __init -tas_init_frame_rates(const unsigned int *prop, unsigned int l) -{ - int i ; - if (prop) { - for (i=0; i<1; i++) - tas_freqs_ok[i] = 0; - for (l /= sizeof(int); l > 0; --l) { - unsigned int r = *prop++; - /* Apple 'Fixed' format */ - if (r >= 0x10000) - r >>= 16; - for (i = 0; i < 1; ++i) { - if (r == tas_freqs[i]) { - tas_freqs_ok[i] = 1; - break; - } - } - } - } - /* else we assume that all the rates are available */ -} - - -/*** AE - TUMBLER / SNAPPER END ************************************************/ - - - -/*** Low level stuff *********************************************************/ - -/* - * PCI PowerMac, with AWACS, Screamer, Burgundy, DACA or Tumbler and DBDMA. - */ -static void *PMacAlloc(unsigned int size, gfp_t flags) -{ - return kmalloc(size, flags); -} - -static void PMacFree(void *ptr, unsigned int size) -{ - kfree(ptr); -} - -static int __init PMacIrqInit(void) -{ - if (awacs) - if (request_irq(awacs_irq, pmac_awacs_intr, 0, "Built-in Sound misc", NULL)) - return 0; - if (request_irq(awacs_tx_irq, pmac_awacs_tx_intr, 0, "Built-in Sound out", NULL) - || request_irq(awacs_rx_irq, pmac_awacs_rx_intr, 0, "Built-in Sound in", NULL)) - return 0; - return 1; -} - -#ifdef MODULE -static void PMacIrqCleanup(void) -{ - /* turn off input & output dma */ - DBDMA_DO_STOP(awacs_txdma); - DBDMA_DO_STOP(awacs_rxdma); - - if (awacs) - /* disable interrupts from awacs interface */ - out_le32(&awacs->control, in_le32(&awacs->control) & 0xfff); - - /* Switch off the sound clock */ - pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, awacs_node, 0, 0); - /* Make sure proper bits are set on pismo & tipb */ - if ((machine_is_compatible("PowerBook3,1") || - machine_is_compatible("PowerBook3,2")) && awacs) { - awacs_reg[1] |= MASK_PAROUT0 | MASK_PAROUT1; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - msleep(200); - } - if (awacs) - free_irq(awacs_irq, NULL); - free_irq(awacs_tx_irq, NULL); - free_irq(awacs_rx_irq, NULL); - - if (awacs) - iounmap(awacs); - if (i2s) - iounmap(i2s); - iounmap(awacs_txdma); - iounmap(awacs_rxdma); - - release_mem_region(awacs_rsrc[0].start, - awacs_rsrc[0].end - awacs_rsrc[0].start + 1); - release_mem_region(awacs_rsrc[1].start, - awacs_rsrc[1].end - awacs_rsrc[1].start + 1); - release_mem_region(awacs_rsrc[2].start, - awacs_rsrc[2].end - awacs_rsrc[2].start + 1); - - kfree(awacs_tx_cmd_space); - kfree(awacs_rx_cmd_space); - kfree(beep_dbdma_cmd_space); - kfree(beep_buf); -#ifdef CONFIG_PM - pmu_unregister_sleep_notifier(&awacs_sleep_notifier); -#endif -} -#endif /* MODULE */ - -static void PMacSilence(void) -{ - /* turn off output dma */ - DBDMA_DO_STOP(awacs_txdma); -} - -/* don't know what to do really - just have to leave it where - * OF left things -*/ - -static int daca_set_frame_rate(void) -{ - if (i2s) { - out_le32(i2s + (I2S_REG_SERIAL_FORMAT >> 2), 0x41190000); - out_le32(i2s + (I2S_REG_DATAWORD_SIZES >> 2), 0x02000200); - } - dmasound.hard.speed = 44100 ; - awacs_rate_index = 0 ; - return 44100 ; -} - -static int awacs_freqs[8] = { - 44100, 29400, 22050, 17640, 14700, 11025, 8820, 7350 -}; -static int awacs_freqs_ok[8] = { 1, 1, 1, 1, 1, 1, 1, 1 }; - -static int -awacs_set_frame_rate(int desired, int catch_r) -{ - int tolerance, i = 8 ; - /* - * If we have a sample rate which is within catchRadius percent - * of the requested value, we don't have to expand the samples. - * Otherwise choose the next higher rate. - * N.B.: burgundy awacs only works at 44100 Hz. - */ - do { - tolerance = catch_r * awacs_freqs[--i] / 100; - if (awacs_freqs_ok[i] - && dmasound.soft.speed <= awacs_freqs[i] + tolerance) - break; - } while (i > 0); - dmasound.hard.speed = awacs_freqs[i]; - awacs_rate_index = i; - - out_le32(&awacs->control, MASK_IEPC | (i << 8) | 0x11 ); - awacs_reg[1] = (awacs_reg[1] & ~MASK_SAMPLERATE) | (i << 3); - awacs_write(awacs_reg[1] | MASK_ADDR1); - return dmasound.hard.speed; -} - -static int -burgundy_set_frame_rate(void) -{ - awacs_rate_index = 0 ; - awacs_reg[1] = (awacs_reg[1] & ~MASK_SAMPLERATE) ; - /* XXX disable error interrupt on burgundy for now */ - out_le32(&awacs->control, MASK_IEPC | 0 | 0x11 | MASK_IEE); - return 44100 ; -} - -static int -set_frame_rate(int desired, int catch_r) -{ - switch (awacs_revision) { - case AWACS_BURGUNDY: - dmasound.hard.speed = burgundy_set_frame_rate(); - break ; - case AWACS_TUMBLER: - case AWACS_SNAPPER: - dmasound.hard.speed = tas_set_frame_rate(); - break ; - case AWACS_DACA: - dmasound.hard.speed = - daca_set_frame_rate(); - break ; - default: - dmasound.hard.speed = awacs_set_frame_rate(desired, - catch_r); - break ; - } - return dmasound.hard.speed ; -} - -static void -awacs_recalibrate(void) -{ - /* Sorry for the horrible delays... I hope to get that improved - * by making the whole PM process asynchronous in a future version - */ - msleep(750); - awacs_reg[1] |= MASK_CMUTE | MASK_AMUTE; - awacs_write(awacs_reg[1] | MASK_RECALIBRATE | MASK_ADDR1); - msleep(1000); - awacs_write(awacs_reg[1] | MASK_ADDR1); -} - -static void PMacInit(void) -{ - int tolerance; - - switch (dmasound.soft.format) { - case AFMT_S16_LE: - case AFMT_U16_LE: - if (hw_can_byteswap) - dmasound.hard.format = AFMT_S16_LE; - else - dmasound.hard.format = AFMT_S16_BE; - break; - default: - dmasound.hard.format = AFMT_S16_BE; - break; - } - dmasound.hard.stereo = 1; - dmasound.hard.size = 16; - - /* set dmasound.hard.speed - on the basis of what we want (soft) - * and the tolerance we'll allow. - */ - set_frame_rate(dmasound.soft.speed, catchRadius) ; - - tolerance = (catchRadius * dmasound.hard.speed) / 100; - if (dmasound.soft.speed >= dmasound.hard.speed - tolerance) { - dmasound.trans_write = &transAwacsNormal; - dmasound.trans_read = &transAwacsNormalRead; - } else { - dmasound.trans_write = &transAwacsExpand; - dmasound.trans_read = &transAwacsExpandRead; - } - - if (awacs) { - if (hw_can_byteswap && (dmasound.hard.format == AFMT_S16_LE)) - out_le32(&awacs->byteswap, BS_VAL); - else - out_le32(&awacs->byteswap, 0); - } - - expand_bal = -dmasound.soft.speed; - expand_read_bal = -dmasound.soft.speed; -} - -static int PMacSetFormat(int format) -{ - int size; - int req_format = format; - - switch (format) { - case AFMT_QUERY: - return dmasound.soft.format; - case AFMT_MU_LAW: - case AFMT_A_LAW: - case AFMT_U8: - case AFMT_S8: - size = 8; - break; - case AFMT_S16_LE: - if(!hw_can_byteswap) - format = AFMT_S16_BE; - case AFMT_S16_BE: - size = 16; - break; - case AFMT_U16_LE: - if(!hw_can_byteswap) - format = AFMT_U16_BE; - case AFMT_U16_BE: - size = 16; - break; - default: /* :-) */ - printk(KERN_ERR "dmasound: unknown format 0x%x, using AFMT_U8\n", - format); - size = 8; - format = AFMT_U8; - } - - if (req_format == format) { - dmasound.soft.format = format; - dmasound.soft.size = size; - if (dmasound.minDev == SND_DEV_DSP) { - dmasound.dsp.format = format; - dmasound.dsp.size = size; - } - } - - return format; -} - -#define AWACS_VOLUME_TO_MASK(x) (15 - ((((x) - 1) * 15) / 99)) -#define AWACS_MASK_TO_VOLUME(y) (100 - ((y) * 99 / 15)) - -static int awacs_get_volume(int reg, int lshift) -{ - int volume; - - volume = AWACS_MASK_TO_VOLUME((reg >> lshift) & 0xf); - volume |= AWACS_MASK_TO_VOLUME(reg & 0xf) << 8; - return volume; -} - -static int awacs_volume_setter(int volume, int n, int mute, int lshift) -{ - int r1, rn; - - if (mute && volume == 0) { - r1 = awacs_reg[1] | mute; - } else { - r1 = awacs_reg[1] & ~mute; - rn = awacs_reg[n] & ~(0xf | (0xf << lshift)); - rn |= ((AWACS_VOLUME_TO_MASK(volume & 0xff) & 0xf) << lshift); - rn |= AWACS_VOLUME_TO_MASK((volume >> 8) & 0xff) & 0xf; - awacs_reg[n] = rn; - awacs_write((n << 12) | rn); - volume = awacs_get_volume(rn, lshift); - } - if (r1 != awacs_reg[1]) { - awacs_reg[1] = r1; - awacs_write(r1 | MASK_ADDR1); - } - return volume; -} - -static int PMacSetVolume(int volume) -{ - printk(KERN_WARNING "Bogus call to PMacSetVolume !\n"); - return 0; -} - -static void awacs_setup_for_beep(int speed) -{ - out_le32(&awacs->control, - (in_le32(&awacs->control) & ~0x1f00) - | ((speed > 0 ? speed : awacs_rate_index) << 8)); - - if (hw_can_byteswap && (dmasound.hard.format == AFMT_S16_LE) && speed == -1) - out_le32(&awacs->byteswap, BS_VAL); - else - out_le32(&awacs->byteswap, 0); -} - -/* CHECK: how much of this *really* needs IRQs masked? */ -static void __PMacPlay(void) -{ - volatile struct dbdma_cmd *cp; - int next_frg, count; - - count = 300 ; /* > two cycles at the lowest sample rate */ - - /* what we want to send next */ - next_frg = (write_sq.front + write_sq.active) % write_sq.max_count; - - if (awacs_beep_state) { - /* sound takes precedence over beeps */ - /* stop the dma channel */ - out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - while ( (in_le32(&awacs_txdma->status) & RUN) && count--) - udelay(1); - if (awacs) - awacs_setup_for_beep(-1); - out_le32(&awacs_txdma->cmdptr, - virt_to_bus(&(awacs_tx_cmds[next_frg]))); - - beep_playing = 0; - awacs_beep_state = 0; - } - /* this won't allow more than two frags to be in the output queue at - once. (or one, if the max frags is 2 - because count can't exceed - 2 in that case) - */ - while (write_sq.active < 2 && write_sq.active < write_sq.count) { - count = (write_sq.count == write_sq.active + 1) ? - write_sq.rear_size:write_sq.block_size ; - if (count < write_sq.block_size) { - if (!write_sq.syncing) /* last block not yet filled,*/ - break; /* and we're not syncing or POST-ed */ - else { - /* pretend the block is full to force a new - block to be started on the next write */ - write_sq.rear_size = write_sq.block_size ; - write_sq.syncing &= ~2 ; /* clear POST */ - } - } - cp = &awacs_tx_cmds[next_frg]; - st_le16(&cp->req_count, count); - st_le16(&cp->xfer_status, 0); - st_le16(&cp->command, OUTPUT_MORE + INTR_ALWAYS); - /* put a STOP at the end of the queue - but only if we have - space for it. This means that, if we under-run and we only - have two fragments, we might re-play sound from an existing - queued frag. I guess the solution to that is not to set two - frags if you are likely to under-run... - */ - if (write_sq.count < write_sq.max_count) { - if (++next_frg >= write_sq.max_count) - next_frg = 0 ; /* wrap */ - /* if we get here then we've underrun so we will stop*/ - st_le16(&awacs_tx_cmds[next_frg].command, DBDMA_STOP); - } - /* set the dbdma controller going, if it is not already */ - if (write_sq.active == 0) - out_le32(&awacs_txdma->cmdptr, virt_to_bus(cp)); - (void)in_le32(&awacs_txdma->status); - out_le32(&awacs_txdma->control, ((RUN|WAKE) << 16) + (RUN|WAKE)); - ++write_sq.active; - } -} - -static void PMacPlay(void) -{ - LOCK(); - if (!awacs_sleeping) { - unsigned long flags; - - spin_lock_irqsave(&dmasound.lock, flags); - __PMacPlay(); - spin_unlock_irqrestore(&dmasound.lock, flags); - } - UNLOCK(); -} - -static void PMacRecord(void) -{ - unsigned long flags; - - if (read_sq.active) - return; - - spin_lock_irqsave(&dmasound.lock, flags); - - /* This is all we have to do......Just start it up. - */ - out_le32(&awacs_rxdma->control, ((RUN|WAKE) << 16) + (RUN|WAKE)); - read_sq.active = 1; - - spin_unlock_irqrestore(&dmasound.lock, flags); -} - -/* if the TX status comes up "DEAD" - reported on some Power Computing machines - we need to re-start the dbdma - but from a different physical start address - and with a different transfer length. It would get very messy to do this - with the normal dbdma_cmd blocks - we would have to re-write the buffer start - addresses each time. So, we will keep a single dbdma_cmd block which can be - fiddled with. - When DEAD status is first reported the content of the faulted dbdma block is - copied into the emergency buffer and we note that the buffer is in use. - we then bump the start physical address by the amount that was successfully - output before it died. - On any subsequent DEAD result we just do the bump-ups (we know that we are - already using the emergency dbdma_cmd). - CHECK: this just tries to "do it". It is possible that we should abandon - xfers when the number of residual bytes gets below a certain value - I can - see that this might cause a loop-forever if too small a transfer causes - DEAD status. However this is a TODO for now - we'll see what gets reported. - When we get a successful transfer result with the emergency buffer we just - pretend that it completed using the original dmdma_cmd and carry on. The - 'next_cmd' field will already point back to the original loop of blocks. -*/ - -static irqreturn_t -pmac_awacs_tx_intr(int irq, void *devid) -{ - int i = write_sq.front; - int stat; - int i_nowrap = write_sq.front; - volatile struct dbdma_cmd *cp; - /* != 0 when we are dealing with a DEAD xfer */ - static int emergency_in_use; - - spin_lock(&dmasound.lock); - while (write_sq.active > 0) { /* we expect to have done something*/ - if (emergency_in_use) /* we are dealing with DEAD xfer */ - cp = emergency_dbdma_cmd ; - else - cp = &awacs_tx_cmds[i]; - stat = ld_le16(&cp->xfer_status); - if (stat & DEAD) { - unsigned short req, res ; - unsigned int phy ; -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: tx-irq: xfer died - patching it up...\n") ; -#endif - /* to clear DEAD status we must first clear RUN - set it to quiescent to be on the safe side */ - (void)in_le32(&awacs_txdma->status); - out_le32(&awacs_txdma->control, - (RUN|PAUSE|FLUSH|WAKE) << 16); - write_sq.died++ ; - if (!emergency_in_use) { /* new problem */ - memcpy((void *)emergency_dbdma_cmd, (void *)cp, - sizeof(struct dbdma_cmd)); - emergency_in_use = 1; - cp = emergency_dbdma_cmd; - } - /* now bump the values to reflect the amount - we haven't yet shifted */ - req = ld_le16(&cp->req_count); - res = ld_le16(&cp->res_count); - phy = ld_le32(&cp->phy_addr); - phy += (req - res); - st_le16(&cp->req_count, res); - st_le16(&cp->res_count, 0); - st_le16(&cp->xfer_status, 0); - st_le32(&cp->phy_addr, phy); - st_le32(&cp->cmd_dep, virt_to_bus(&awacs_tx_cmds[(i+1)%write_sq.max_count])); - st_le16(&cp->command, OUTPUT_MORE | BR_ALWAYS | INTR_ALWAYS); - - /* point at our patched up command block */ - out_le32(&awacs_txdma->cmdptr, virt_to_bus(cp)); - /* we must re-start the controller */ - (void)in_le32(&awacs_txdma->status); - /* should complete clearing the DEAD status */ - out_le32(&awacs_txdma->control, - ((RUN|WAKE) << 16) + (RUN|WAKE)); - break; /* this block is still going */ - } - if ((stat & ACTIVE) == 0) - break; /* this frame is still going */ - if (emergency_in_use) - emergency_in_use = 0 ; /* done that */ - --write_sq.count; - --write_sq.active; - i_nowrap++; - if (++i >= write_sq.max_count) - i = 0; - } - - /* if we stopped and we were not sync-ing - then we under-ran */ - if( write_sq.syncing == 0 ){ - stat = in_le32(&awacs_txdma->status) ; - /* we hit the dbdma_stop */ - if( (stat & ACTIVE) == 0 ) write_sq.xruns++ ; - } - - /* if we used some data up then wake the writer to supply some more*/ - if (i_nowrap != write_sq.front) - WAKE_UP(write_sq.action_queue); - write_sq.front = i; - - /* but make sure we funnel what we've already got */\ - if (!awacs_sleeping) - __PMacPlay(); - - /* make the wake-on-empty conditional on syncing */ - if (!write_sq.active && (write_sq.syncing & 1)) - WAKE_UP(write_sq.sync_queue); /* any time we're empty */ - spin_unlock(&dmasound.lock); - return IRQ_HANDLED; -} - - -static irqreturn_t -pmac_awacs_rx_intr(int irq, void *devid) -{ - int stat ; - /* For some reason on my PowerBook G3, I get one interrupt - * when the interrupt vector is installed (like something is - * pending). This happens before the dbdma is initialized by - * us, so I just check the command pointer and if it is zero, - * just blow it off. - */ - if (in_le32(&awacs_rxdma->cmdptr) == 0) - return IRQ_HANDLED; - - /* We also want to blow 'em off when shutting down. - */ - if (read_sq.active == 0) - return IRQ_HANDLED; - - spin_lock(&dmasound.lock); - /* Check multiple buffers in case we were held off from - * interrupt processing for a long time. Geeze, I really hope - * this doesn't happen. - */ - while ((stat=awacs_rx_cmds[read_sq.rear].xfer_status)) { - - /* if we got a "DEAD" status then just log it for now. - and try to restart dma. - TODO: figure out how best to fix it up - */ - if (stat & DEAD){ -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: rx-irq: DIED - attempting resurection\n"); -#endif - /* to clear DEAD status we must first clear RUN - set it to quiescent to be on the safe side */ - (void)in_le32(&awacs_txdma->status); - out_le32(&awacs_txdma->control, - (RUN|PAUSE|FLUSH|WAKE) << 16); - awacs_rx_cmds[read_sq.rear].xfer_status = 0; - awacs_rx_cmds[read_sq.rear].res_count = 0; - read_sq.died++ ; - (void)in_le32(&awacs_txdma->status); - /* re-start the same block */ - out_le32(&awacs_rxdma->cmdptr, - virt_to_bus(&awacs_rx_cmds[read_sq.rear])); - /* we must re-start the controller */ - (void)in_le32(&awacs_rxdma->status); - /* should complete clearing the DEAD status */ - out_le32(&awacs_rxdma->control, - ((RUN|WAKE) << 16) + (RUN|WAKE)); - spin_unlock(&dmasound.lock); - return IRQ_HANDLED; /* try this block again */ - } - /* Clear status and move on to next buffer. - */ - awacs_rx_cmds[read_sq.rear].xfer_status = 0; - read_sq.rear++; - - /* Wrap the buffer ring. - */ - if (read_sq.rear >= read_sq.max_active) - read_sq.rear = 0; - - /* If we have caught up to the front buffer, bump it. - * This will cause weird (but not fatal) results if the - * read loop is currently using this buffer. The user is - * behind in this case anyway, so weird things are going - * to happen. - */ - if (read_sq.rear == read_sq.front) { - read_sq.front++; - read_sq.xruns++ ; /* we overan */ - if (read_sq.front >= read_sq.max_active) - read_sq.front = 0; - } - } - - WAKE_UP(read_sq.action_queue); - spin_unlock(&dmasound.lock); - return IRQ_HANDLED; -} - - -static irqreturn_t -pmac_awacs_intr(int irq, void *devid) -{ - int ctrl; - int status; - int r1; - - spin_lock(&dmasound.lock); - ctrl = in_le32(&awacs->control); - status = in_le32(&awacs->codec_stat); - - if (ctrl & MASK_PORTCHG) { - /* tested on Screamer, should work on others too */ - if (awacs_revision == AWACS_SCREAMER) { - if (((status & MASK_HDPCONN) >> 3) && (hdp_connected == 0)) { - hdp_connected = 1; - - r1 = awacs_reg[1] | MASK_SPKMUTE; - awacs_reg[1] = r1; - awacs_write(r1 | MASK_ADDR_MUTE); - } else if (((status & MASK_HDPCONN) >> 3 == 0) && (hdp_connected == 1)) { - hdp_connected = 0; - - r1 = awacs_reg[1] & ~MASK_SPKMUTE; - awacs_reg[1] = r1; - awacs_write(r1 | MASK_ADDR_MUTE); - } - } - } - if (ctrl & MASK_CNTLERR) { - int err = (in_le32(&awacs->codec_stat) & MASK_ERRCODE) >> 16; - /* CHECK: we just swallow burgundy errors at the moment..*/ - if (err != 0 && awacs_revision != AWACS_BURGUNDY) - printk(KERN_ERR "dmasound_pmac: error %x\n", err); - } - /* Writing 1s to the CNTLERR and PORTCHG bits clears them... */ - out_le32(&awacs->control, ctrl); - spin_unlock(&dmasound.lock); - return IRQ_HANDLED; -} - -static void -awacs_write(int val) -{ - int count = 300 ; - if (awacs_revision >= AWACS_DACA || !awacs) - return ; - - while ((in_le32(&awacs->codec_ctrl) & MASK_NEWECMD) && count--) - udelay(1) ; /* timeout is > 2 samples at lowest rate */ - out_le32(&awacs->codec_ctrl, val | (awacs_subframe << 22)); - (void)in_le32(&awacs->byteswap); -} - -/* this is called when the beep timer expires... it will be called even - if the beep has been overidden by other sound output. -*/ -static void awacs_nosound(unsigned long xx) -{ - unsigned long flags; - int count = 600 ; /* > four samples at lowest rate */ - - spin_lock_irqsave(&dmasound.lock, flags); - if (beep_playing) { - st_le16(&beep_dbdma_cmd->command, DBDMA_STOP); - out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - while ((in_le32(&awacs_txdma->status) & RUN) && count--) - udelay(1); - if (awacs) - awacs_setup_for_beep(-1); - beep_playing = 0; - } - spin_unlock_irqrestore(&dmasound.lock, flags); -} - -/* - * We generate the beep with a single dbdma command that loops a buffer - * forever - without generating interrupts. - * - * So, to stop it you have to stop dma output as per awacs_nosound. - */ -static int awacs_beep_event(struct input_dev *dev, unsigned int type, - unsigned int code, int hz) -{ - unsigned long flags; - int beep_speed = 0; - int srate; - int period, ncycles, nsamples; - int i, j, f; - short *p; - static int beep_hz_cache; - static int beep_nsamples_cache; - static int beep_volume_cache; - - if (type != EV_SND) - return -1; - switch (code) { - case SND_BELL: - if (hz) - hz = 1000; - break; - case SND_TONE: - break; - default: - return -1; - } - - if (beep_buf == NULL) - return -1; - - /* quick-hack fix for DACA, Burgundy & Tumbler */ - - if (awacs_revision >= AWACS_DACA){ - srate = 44100 ; - } else { - for (i = 0; i < 8 && awacs_freqs[i] >= BEEP_SRATE; ++i) - if (awacs_freqs_ok[i]) - beep_speed = i; - srate = awacs_freqs[beep_speed]; - } - - if (hz <= srate / BEEP_BUFLEN || hz > srate / 2) { - /* cancel beep currently playing */ - awacs_nosound(0); - return 0; - } - - spin_lock_irqsave(&dmasound.lock, flags); - if (beep_playing || write_sq.active || beep_buf == NULL) { - spin_unlock_irqrestore(&dmasound.lock, flags); - return -1; /* too hard, sorry :-( */ - } - beep_playing = 1; - st_le16(&beep_dbdma_cmd->command, OUTPUT_MORE + BR_ALWAYS); - spin_unlock_irqrestore(&dmasound.lock, flags); - - if (hz == beep_hz_cache && beep_vol == beep_volume_cache) { - nsamples = beep_nsamples_cache; - } else { - period = srate * 256 / hz; /* fixed point */ - ncycles = BEEP_BUFLEN * 256 / period; - nsamples = (period * ncycles) >> 8; - f = ncycles * 65536 / nsamples; - j = 0; - p = beep_buf; - for (i = 0; i < nsamples; ++i, p += 2) { - p[0] = p[1] = beep_wform[j >> 8] * beep_vol; - j = (j + f) & 0xffff; - } - beep_hz_cache = hz; - beep_volume_cache = beep_vol; - beep_nsamples_cache = nsamples; - } - - st_le16(&beep_dbdma_cmd->req_count, nsamples*4); - st_le16(&beep_dbdma_cmd->xfer_status, 0); - st_le32(&beep_dbdma_cmd->cmd_dep, virt_to_bus(beep_dbdma_cmd)); - st_le32(&beep_dbdma_cmd->phy_addr, virt_to_bus(beep_buf)); - awacs_beep_state = 1; - - spin_lock_irqsave(&dmasound.lock, flags); - if (beep_playing) { /* i.e. haven't been terminated already */ - int count = 300 ; - out_le32(&awacs_txdma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); - while ((in_le32(&awacs_txdma->status) & RUN) && count--) - udelay(1); /* timeout > 2 samples at lowest rate*/ - if (awacs) - awacs_setup_for_beep(beep_speed); - out_le32(&awacs_txdma->cmdptr, virt_to_bus(beep_dbdma_cmd)); - (void)in_le32(&awacs_txdma->status); - out_le32(&awacs_txdma->control, RUN | (RUN << 16)); - } - spin_unlock_irqrestore(&dmasound.lock, flags); - - return 0; -} - -/* used in init and for wake-up */ - -static void -load_awacs(void) -{ - awacs_write(awacs_reg[0] + MASK_ADDR0); - awacs_write(awacs_reg[1] + MASK_ADDR1); - awacs_write(awacs_reg[2] + MASK_ADDR2); - awacs_write(awacs_reg[4] + MASK_ADDR4); - - if (awacs_revision == AWACS_SCREAMER) { - awacs_write(awacs_reg[5] + MASK_ADDR5); - msleep(100); - awacs_write(awacs_reg[6] + MASK_ADDR6); - msleep(2); - awacs_write(awacs_reg[1] + MASK_ADDR1); - awacs_write(awacs_reg[7] + MASK_ADDR7); - } - if (awacs) { - if (hw_can_byteswap && (dmasound.hard.format == AFMT_S16_LE)) - out_le32(&awacs->byteswap, BS_VAL); - else - out_le32(&awacs->byteswap, 0); - } -} - -#ifdef CONFIG_PM -/* - * Save state when going to sleep, restore it afterwards. - */ -/* FIXME: sort out disabling/re-enabling of read stuff as well */ -static void awacs_sleep_notify(struct pmu_sleep_notifier *self, int when) -{ - unsigned long flags; - - switch (when) { - case PBOOK_SLEEP_NOW: - LOCK(); - awacs_sleeping = 1; - /* Tell the rest of the driver we are now going to sleep */ - mb(); - if (awacs_revision == AWACS_SCREAMER || - awacs_revision == AWACS_AWACS) { - awacs_reg1_save = awacs_reg[1]; - awacs_reg[1] |= MASK_AMUTE | MASK_CMUTE; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - } - - PMacSilence(); - /* stop rx - if going - a bit of a daft user... but */ - out_le32(&awacs_rxdma->control, (RUN|WAKE|FLUSH << 16)); - /* deny interrupts */ - if (awacs) - disable_irq(awacs_irq); - disable_irq(awacs_tx_irq); - disable_irq(awacs_rx_irq); - /* Chip specific sleep code */ - switch (awacs_revision) { - case AWACS_TUMBLER: - case AWACS_SNAPPER: - write_audio_gpio(gpio_headphone_mute, gpio_headphone_mute_pol); - write_audio_gpio(gpio_amp_mute, gpio_amp_mute_pol); - tas_enter_sleep(); - write_audio_gpio(gpio_audio_reset, gpio_audio_reset_pol); - break ; - case AWACS_DACA: - daca_enter_sleep(); - break ; - case AWACS_BURGUNDY: - break ; - case AWACS_SCREAMER: - case AWACS_AWACS: - default: - out_le32(&awacs->control, 0x11) ; - break ; - } - /* Disable sound clock */ - pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, awacs_node, 0, 0); - /* According to Darwin, we do that after turning off the sound - * chip clock. All this will have to be cleaned up once we properly - * parse the OF sound-objects - */ - if ((machine_is_compatible("PowerBook3,1") || - machine_is_compatible("PowerBook3,2")) && awacs) { - awacs_reg[1] |= MASK_PAROUT0 | MASK_PAROUT1; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - msleep(200); - } - break; - case PBOOK_WAKE: - /* Enable sound clock */ - pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, awacs_node, 0, 1); - if ((machine_is_compatible("PowerBook3,1") || - machine_is_compatible("PowerBook3,2")) && awacs) { - msleep(100); - awacs_reg[1] &= ~(MASK_PAROUT0 | MASK_PAROUT1); - awacs_write(MASK_ADDR1 | awacs_reg[1]); - msleep(300); - } else - msleep(1000); - /* restore settings */ - switch (awacs_revision) { - case AWACS_TUMBLER: - case AWACS_SNAPPER: - write_audio_gpio(gpio_headphone_mute, gpio_headphone_mute_pol); - write_audio_gpio(gpio_amp_mute, gpio_amp_mute_pol); - write_audio_gpio(gpio_audio_reset, gpio_audio_reset_pol); - msleep(100); - write_audio_gpio(gpio_audio_reset, !gpio_audio_reset_pol); - msleep(150); - tas_leave_sleep(); /* Stub for now */ - headphone_intr(0, NULL); - break; - case AWACS_DACA: - msleep(10); /* Check this !!! */ - daca_leave_sleep(); - break ; /* dont know how yet */ - case AWACS_BURGUNDY: - break ; - case AWACS_SCREAMER: - case AWACS_AWACS: - default: - load_awacs() ; - break ; - } - /* Recalibrate chip */ - if (awacs_revision == AWACS_SCREAMER && awacs) - awacs_recalibrate(); - /* Make sure dma is stopped */ - PMacSilence(); - if (awacs) - enable_irq(awacs_irq); - enable_irq(awacs_tx_irq); - enable_irq(awacs_rx_irq); - if (awacs) { - /* OK, allow ints back again */ - out_le32(&awacs->control, MASK_IEPC - | (awacs_rate_index << 8) | 0x11 - | (awacs_revision < AWACS_DACA ? MASK_IEE: 0)); - } - if (macio_base && is_pbook_g3) { - /* FIXME: should restore the setup we had...*/ - out_8(macio_base + 0x37, 3); - } else if (is_pbook_3X00) { - in_8(latch_base + 0x190); - } - /* Remove mute */ - if (awacs_revision == AWACS_SCREAMER || - awacs_revision == AWACS_AWACS) { - awacs_reg[1] = awacs_reg1_save; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - } - awacs_sleeping = 0; - /* Resume pending sounds. */ - /* we don't try to restart input... */ - spin_lock_irqsave(&dmasound.lock, flags); - __PMacPlay(); - spin_unlock_irqrestore(&dmasound.lock, flags); - UNLOCK(); - } -} -#endif /* CONFIG_PM */ - - -/* All the burgundy functions: */ - -/* Waits for busy flag to clear */ -static inline void -awacs_burgundy_busy_wait(void) -{ - int count = 50; /* > 2 samples at 44k1 */ - while ((in_le32(&awacs->codec_ctrl) & MASK_NEWECMD) && count--) - udelay(1) ; -} - -static inline void -awacs_burgundy_extend_wait(void) -{ - int count = 50 ; /* > 2 samples at 44k1 */ - while ((!(in_le32(&awacs->codec_stat) & MASK_EXTEND)) && count--) - udelay(1) ; - count = 50; - while ((in_le32(&awacs->codec_stat) & MASK_EXTEND) && count--) - udelay(1); -} - -static void -awacs_burgundy_wcw(unsigned addr, unsigned val) -{ - out_le32(&awacs->codec_ctrl, addr + 0x200c00 + (val & 0xff)); - awacs_burgundy_busy_wait(); - out_le32(&awacs->codec_ctrl, addr + 0x200d00 +((val>>8) & 0xff)); - awacs_burgundy_busy_wait(); - out_le32(&awacs->codec_ctrl, addr + 0x200e00 +((val>>16) & 0xff)); - awacs_burgundy_busy_wait(); - out_le32(&awacs->codec_ctrl, addr + 0x200f00 +((val>>24) & 0xff)); - awacs_burgundy_busy_wait(); -} - -static unsigned -awacs_burgundy_rcw(unsigned addr) -{ - unsigned val = 0; - unsigned long flags; - - /* should have timeouts here */ - spin_lock_irqsave(&dmasound.lock, flags); - - out_le32(&awacs->codec_ctrl, addr + 0x100000); - awacs_burgundy_busy_wait(); - awacs_burgundy_extend_wait(); - val += (in_le32(&awacs->codec_stat) >> 4) & 0xff; - - out_le32(&awacs->codec_ctrl, addr + 0x100100); - awacs_burgundy_busy_wait(); - awacs_burgundy_extend_wait(); - val += ((in_le32(&awacs->codec_stat)>>4) & 0xff) <<8; - - out_le32(&awacs->codec_ctrl, addr + 0x100200); - awacs_burgundy_busy_wait(); - awacs_burgundy_extend_wait(); - val += ((in_le32(&awacs->codec_stat)>>4) & 0xff) <<16; - - out_le32(&awacs->codec_ctrl, addr + 0x100300); - awacs_burgundy_busy_wait(); - awacs_burgundy_extend_wait(); - val += ((in_le32(&awacs->codec_stat)>>4) & 0xff) <<24; - - spin_unlock_irqrestore(&dmasound.lock, flags); - - return val; -} - - -static void -awacs_burgundy_wcb(unsigned addr, unsigned val) -{ - out_le32(&awacs->codec_ctrl, addr + 0x300000 + (val & 0xff)); - awacs_burgundy_busy_wait(); -} - -static unsigned -awacs_burgundy_rcb(unsigned addr) -{ - unsigned val = 0; - unsigned long flags; - - /* should have timeouts here */ - spin_lock_irqsave(&dmasound.lock, flags); - - out_le32(&awacs->codec_ctrl, addr + 0x100000); - awacs_burgundy_busy_wait(); - awacs_burgundy_extend_wait(); - val += (in_le32(&awacs->codec_stat) >> 4) & 0xff; - - spin_unlock_irqrestore(&dmasound.lock, flags); - - return val; -} - -static int -awacs_burgundy_check(void) -{ - /* Checks to see the chip is alive and kicking */ - int error = in_le32(&awacs->codec_ctrl) & MASK_ERRCODE; - - return error == 0xf0000; -} - -static int -awacs_burgundy_init(void) -{ - if (awacs_burgundy_check()) { - printk(KERN_WARNING "dmasound_pmac: burgundy not working :-(\n"); - return 1; - } - - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_OUTPUTENABLES, - DEF_BURGUNDY_OUTPUTENABLES); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, - DEF_BURGUNDY_MORE_OUTPUTENABLES); - awacs_burgundy_wcw(MASK_ADDR_BURGUNDY_OUTPUTSELECTS, - DEF_BURGUNDY_OUTPUTSELECTS); - - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_INPSEL21, - DEF_BURGUNDY_INPSEL21); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_INPSEL3, - DEF_BURGUNDY_INPSEL3); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_GAINCD, - DEF_BURGUNDY_GAINCD); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_GAINLINE, - DEF_BURGUNDY_GAINLINE); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_GAINMIC, - DEF_BURGUNDY_GAINMIC); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_GAINMODEM, - DEF_BURGUNDY_GAINMODEM); - - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_ATTENSPEAKER, - DEF_BURGUNDY_ATTENSPEAKER); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_ATTENLINEOUT, - DEF_BURGUNDY_ATTENLINEOUT); - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_ATTENHP, - DEF_BURGUNDY_ATTENHP); - - awacs_burgundy_wcw(MASK_ADDR_BURGUNDY_MASTER_VOLUME, - DEF_BURGUNDY_MASTER_VOLUME); - awacs_burgundy_wcw(MASK_ADDR_BURGUNDY_VOLCD, - DEF_BURGUNDY_VOLCD); - awacs_burgundy_wcw(MASK_ADDR_BURGUNDY_VOLLINE, - DEF_BURGUNDY_VOLLINE); - awacs_burgundy_wcw(MASK_ADDR_BURGUNDY_VOLMIC, - DEF_BURGUNDY_VOLMIC); - return 0; -} - -static void -awacs_burgundy_write_volume(unsigned address, int volume) -{ - int hardvolume,lvolume,rvolume; - - lvolume = (volume & 0xff) ? (volume & 0xff) + 155 : 0; - rvolume = ((volume >>8)&0xff) ? ((volume >> 8)&0xff ) + 155 : 0; - - hardvolume = lvolume + (rvolume << 16); - - awacs_burgundy_wcw(address, hardvolume); -} - -static int -awacs_burgundy_read_volume(unsigned address) -{ - int softvolume,wvolume; - - wvolume = awacs_burgundy_rcw(address); - - softvolume = (wvolume & 0xff) - 155; - softvolume += (((wvolume >> 16) & 0xff) - 155)<<8; - - return softvolume > 0 ? softvolume : 0; -} - -static int -awacs_burgundy_read_mvolume(unsigned address) -{ - int lvolume,rvolume,wvolume; - - wvolume = awacs_burgundy_rcw(address); - - wvolume &= 0xffff; - - rvolume = (wvolume & 0xff) - 155; - lvolume = ((wvolume & 0xff00)>>8) - 155; - - return lvolume + (rvolume << 8); -} - -static void -awacs_burgundy_write_mvolume(unsigned address, int volume) -{ - int lvolume,rvolume,hardvolume; - - lvolume = (volume &0xff) ? (volume & 0xff) + 155 :0; - rvolume = ((volume >>8) & 0xff) ? (volume >> 8) + 155 :0; - - hardvolume = lvolume + (rvolume << 8); - hardvolume += (hardvolume << 16); - - awacs_burgundy_wcw(address, hardvolume); -} - -/* End burgundy functions */ - -/* Set up output volumes on machines with the 'perch/whisper' extension card. - * this has an SGS i2c chip (7433) which is accessed using the cuda. - * - * TODO: split this out and make use of the other parts of the SGS chip to - * do Bass, Treble etc. - */ - -static void -awacs_enable_amp(int spkr_vol) -{ -#ifdef CONFIG_ADB_CUDA - struct adb_request req; - - if (sys_ctrler != SYS_CTRLER_CUDA) - return; - - /* turn on headphones */ - cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, - 0x8a, 4, 0); - while (!req.complete) cuda_poll(); - cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, - 0x8a, 6, 0); - while (!req.complete) cuda_poll(); - - /* turn on speaker */ - cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, - 0x8a, 3, (100 - (spkr_vol & 0xff)) * 32 / 100); - while (!req.complete) cuda_poll(); - cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, - 0x8a, 5, (100 - ((spkr_vol >> 8) & 0xff)) * 32 / 100); - while (!req.complete) cuda_poll(); - - cuda_request(&req, NULL, 5, CUDA_PACKET, - CUDA_GET_SET_IIC, 0x8a, 1, 0x29); - while (!req.complete) cuda_poll(); -#endif /* CONFIG_ADB_CUDA */ -} - - -/*** Mid level stuff *********************************************************/ - - -/* - * /dev/mixer abstraction - */ - -static void do_line_lev(int data) -{ - line_lev = data ; - awacs_reg[0] &= ~MASK_MUX_AUDIN; - if ((data & 0xff) >= 50) - awacs_reg[0] |= MASK_MUX_AUDIN; - awacs_write(MASK_ADDR0 | awacs_reg[0]); -} - -static void do_ip_gain(int data) -{ - ip_gain = data ; - data &= 0xff; - awacs_reg[0] &= ~MASK_GAINLINE; - if (awacs_revision == AWACS_SCREAMER) { - awacs_reg[6] &= ~MASK_MIC_BOOST ; - if (data >= 33) { - awacs_reg[0] |= MASK_GAINLINE; - if( data >= 66) - awacs_reg[6] |= MASK_MIC_BOOST ; - } - awacs_write(MASK_ADDR6 | awacs_reg[6]) ; - } else { - if (data >= 50) - awacs_reg[0] |= MASK_GAINLINE; - } - awacs_write(MASK_ADDR0 | awacs_reg[0]); -} - -static void do_mic_lev(int data) -{ - mic_lev = data ; - data &= 0xff; - awacs_reg[0] &= ~MASK_MUX_MIC; - if (data >= 50) - awacs_reg[0] |= MASK_MUX_MIC; - awacs_write(MASK_ADDR0 | awacs_reg[0]); -} - -static void do_cd_lev(int data) -{ - cd_lev = data ; - awacs_reg[0] &= ~MASK_MUX_CD; - if ((data & 0xff) >= 50) - awacs_reg[0] |= MASK_MUX_CD; - awacs_write(MASK_ADDR0 | awacs_reg[0]); -} - -static void do_rec_lev(int data) -{ - int left, right ; - rec_lev = data ; - /* need to fudge this to use the volume setter routine */ - left = 100 - (data & 0xff) ; if( left < 0 ) left = 0 ; - right = 100 - ((data >> 8) & 0xff) ; if( right < 0 ) right = 0 ; - left |= (right << 8 ); - left = awacs_volume_setter(left, 0, 0, 4); -} - -static void do_passthru_vol(int data) -{ - passthru_vol = data ; - awacs_reg[1] &= ~MASK_LOOPTHRU; - if (awacs_revision == AWACS_SCREAMER) { - if( data ) { /* switch it on for non-zero */ - awacs_reg[1] |= MASK_LOOPTHRU; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - } - data = awacs_volume_setter(data, 5, 0, 6) ; - } else { - if ((data & 0xff) >= 50) - awacs_reg[1] |= MASK_LOOPTHRU; - awacs_write(MASK_ADDR1 | awacs_reg[1]); - data = (awacs_reg[1] & MASK_LOOPTHRU)? 100: 0; - } -} - -static int awacs_mixer_ioctl(u_int cmd, u_long arg) -{ - int data; - int rc; - - switch (cmd) { - case SOUND_MIXER_READ_CAPS: - /* say we will allow multiple inputs? prob. wrong - so I'm switching it to single */ - return IOCTL_OUT(arg, 1); - case SOUND_MIXER_READ_DEVMASK: - data = SOUND_MASK_VOLUME | SOUND_MASK_SPEAKER - | SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD - | SOUND_MASK_IGAIN | SOUND_MASK_RECLEV - | SOUND_MASK_ALTPCM - | SOUND_MASK_MONITOR; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECMASK: - data = SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECSRC: - data = 0; - if (awacs_reg[0] & MASK_MUX_AUDIN) - data |= SOUND_MASK_LINE; - if (awacs_reg[0] & MASK_MUX_MIC) - data |= SOUND_MASK_MIC; - if (awacs_reg[0] & MASK_MUX_CD) - data |= SOUND_MASK_CD; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_RECSRC: - IOCTL_IN(arg, data); - data &= (SOUND_MASK_LINE | SOUND_MASK_MIC | SOUND_MASK_CD); - awacs_reg[0] &= ~(MASK_MUX_CD | MASK_MUX_MIC - | MASK_MUX_AUDIN); - if (data & SOUND_MASK_LINE) - awacs_reg[0] |= MASK_MUX_AUDIN; - if (data & SOUND_MASK_MIC) - awacs_reg[0] |= MASK_MUX_MIC; - if (data & SOUND_MASK_CD) - awacs_reg[0] |= MASK_MUX_CD; - awacs_write(awacs_reg[0] | MASK_ADDR0); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_STEREODEVS: - data = SOUND_MASK_VOLUME | SOUND_MASK_SPEAKER| SOUND_MASK_RECLEV ; - if (awacs_revision == AWACS_SCREAMER) - data |= SOUND_MASK_MONITOR ; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_VOLUME: - IOCTL_IN(arg, data); - line_vol = data ; - awacs_volume_setter(data, 2, 0, 6); - /* fall through */ - case SOUND_MIXER_READ_VOLUME: - rc = IOCTL_OUT(arg, line_vol); - break; - case SOUND_MIXER_WRITE_SPEAKER: - IOCTL_IN(arg, data); - spk_vol = data ; - if (has_perch) - awacs_enable_amp(data); - else - (void)awacs_volume_setter(data, 4, MASK_CMUTE, 6); - /* fall though */ - case SOUND_MIXER_READ_SPEAKER: - rc = IOCTL_OUT(arg, spk_vol); - break; - case SOUND_MIXER_WRITE_ALTPCM: /* really bell volume */ - IOCTL_IN(arg, data); - beep_vol = data & 0xff; - /* fall through */ - case SOUND_MIXER_READ_ALTPCM: - rc = IOCTL_OUT(arg, beep_vol); - break; - case SOUND_MIXER_WRITE_LINE: - IOCTL_IN(arg, data); - do_line_lev(data) ; - /* fall through */ - case SOUND_MIXER_READ_LINE: - rc = IOCTL_OUT(arg, line_lev); - break; - case SOUND_MIXER_WRITE_IGAIN: - IOCTL_IN(arg, data); - do_ip_gain(data) ; - /* fall through */ - case SOUND_MIXER_READ_IGAIN: - rc = IOCTL_OUT(arg, ip_gain); - break; - case SOUND_MIXER_WRITE_MIC: - IOCTL_IN(arg, data); - do_mic_lev(data); - /* fall through */ - case SOUND_MIXER_READ_MIC: - rc = IOCTL_OUT(arg, mic_lev); - break; - case SOUND_MIXER_WRITE_CD: - IOCTL_IN(arg, data); - do_cd_lev(data); - /* fall through */ - case SOUND_MIXER_READ_CD: - rc = IOCTL_OUT(arg, cd_lev); - break; - case SOUND_MIXER_WRITE_RECLEV: - IOCTL_IN(arg, data); - do_rec_lev(data) ; - /* fall through */ - case SOUND_MIXER_READ_RECLEV: - rc = IOCTL_OUT(arg, rec_lev); - break; - case MIXER_WRITE(SOUND_MIXER_MONITOR): - IOCTL_IN(arg, data); - do_passthru_vol(data) ; - /* fall through */ - case MIXER_READ(SOUND_MIXER_MONITOR): - rc = IOCTL_OUT(arg, passthru_vol); - break; - default: - rc = -EINVAL; - } - - return rc; -} - -static void awacs_mixer_init(void) -{ - awacs_volume_setter(line_vol, 2, 0, 6); - if (has_perch) - awacs_enable_amp(spk_vol); - else - (void)awacs_volume_setter(spk_vol, 4, MASK_CMUTE, 6); - do_line_lev(line_lev) ; - do_ip_gain(ip_gain) ; - do_mic_lev(mic_lev) ; - do_cd_lev(cd_lev) ; - do_rec_lev(rec_lev) ; - do_passthru_vol(passthru_vol) ; -} - -static int burgundy_mixer_ioctl(u_int cmd, u_long arg) -{ - int data; - int rc; - - /* We are, we are, we are... Burgundy or better */ - switch(cmd) { - case SOUND_MIXER_READ_DEVMASK: - data = SOUND_MASK_VOLUME | SOUND_MASK_CD | - SOUND_MASK_LINE | SOUND_MASK_MIC | - SOUND_MASK_SPEAKER | SOUND_MASK_ALTPCM; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECMASK: - data = SOUND_MASK_LINE | SOUND_MASK_MIC - | SOUND_MASK_CD; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECSRC: - data = 0; - if (awacs_reg[0] & MASK_MUX_AUDIN) - data |= SOUND_MASK_LINE; - if (awacs_reg[0] & MASK_MUX_MIC) - data |= SOUND_MASK_MIC; - if (awacs_reg[0] & MASK_MUX_CD) - data |= SOUND_MASK_CD; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_RECSRC: - IOCTL_IN(arg, data); - data &= (SOUND_MASK_LINE - | SOUND_MASK_MIC | SOUND_MASK_CD); - awacs_reg[0] &= ~(MASK_MUX_CD | MASK_MUX_MIC - | MASK_MUX_AUDIN); - if (data & SOUND_MASK_LINE) - awacs_reg[0] |= MASK_MUX_AUDIN; - if (data & SOUND_MASK_MIC) - awacs_reg[0] |= MASK_MUX_MIC; - if (data & SOUND_MASK_CD) - awacs_reg[0] |= MASK_MUX_CD; - awacs_write(awacs_reg[0] | MASK_ADDR0); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_STEREODEVS: - data = SOUND_MASK_VOLUME | SOUND_MASK_SPEAKER - | SOUND_MASK_RECLEV | SOUND_MASK_CD - | SOUND_MASK_LINE; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_CAPS: - rc = IOCTL_OUT(arg, 0); - break; - case SOUND_MIXER_WRITE_VOLUME: - IOCTL_IN(arg, data); - awacs_burgundy_write_mvolume(MASK_ADDR_BURGUNDY_MASTER_VOLUME, data); - /* Fall through */ - case SOUND_MIXER_READ_VOLUME: - rc = IOCTL_OUT(arg, awacs_burgundy_read_mvolume(MASK_ADDR_BURGUNDY_MASTER_VOLUME)); - break; - case SOUND_MIXER_WRITE_SPEAKER: - IOCTL_IN(arg, data); - if (!(data & 0xff)) { - /* Mute the left speaker */ - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, - awacs_burgundy_rcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES) & ~0x2); - } else { - /* Unmute the left speaker */ - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, - awacs_burgundy_rcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES) | 0x2); - } - if (!(data & 0xff00)) { - /* Mute the right speaker */ - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, - awacs_burgundy_rcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES) & ~0x4); - } else { - /* Unmute the right speaker */ - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES, - awacs_burgundy_rcb(MASK_ADDR_BURGUNDY_MORE_OUTPUTENABLES) | 0x4); - } - - data = (((data&0xff)*16)/100 > 0xf ? 0xf : - (((data&0xff)*16)/100)) + - ((((data>>8)*16)/100 > 0xf ? 0xf : - ((((data>>8)*16)/100)))<<4); - - awacs_burgundy_wcb(MASK_ADDR_BURGUNDY_ATTENSPEAKER, ~data); - /* Fall through */ - case SOUND_MIXER_READ_SPEAKER: - data = awacs_burgundy_rcb(MASK_ADDR_BURGUNDY_ATTENSPEAKER); - data = (((data & 0xf)*100)/16) + ((((data>>4)*100)/16)<<8); - rc = IOCTL_OUT(arg, (~data) & 0x0000ffff); - break; - case SOUND_MIXER_WRITE_ALTPCM: /* really bell volume */ - IOCTL_IN(arg, data); - beep_vol = data & 0xff; - /* fall through */ - case SOUND_MIXER_READ_ALTPCM: - rc = IOCTL_OUT(arg, beep_vol); - break; - case SOUND_MIXER_WRITE_LINE: - IOCTL_IN(arg, data); - awacs_burgundy_write_volume(MASK_ADDR_BURGUNDY_VOLLINE, data); - - /* fall through */ - case SOUND_MIXER_READ_LINE: - data = awacs_burgundy_read_volume(MASK_ADDR_BURGUNDY_VOLLINE); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_MIC: - IOCTL_IN(arg, data); - /* Mic is mono device */ - data = (data << 8) + (data << 24); - awacs_burgundy_write_volume(MASK_ADDR_BURGUNDY_VOLMIC, data); - /* fall through */ - case SOUND_MIXER_READ_MIC: - data = awacs_burgundy_read_volume(MASK_ADDR_BURGUNDY_VOLMIC); - data <<= 24; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_CD: - IOCTL_IN(arg, data); - awacs_burgundy_write_volume(MASK_ADDR_BURGUNDY_VOLCD, data); - /* fall through */ - case SOUND_MIXER_READ_CD: - data = awacs_burgundy_read_volume(MASK_ADDR_BURGUNDY_VOLCD); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_RECLEV: - IOCTL_IN(arg, data); - data = awacs_volume_setter(data, 0, 0, 4); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECLEV: - data = awacs_get_volume(awacs_reg[0], 4); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_OUTMASK: - case SOUND_MIXER_OUTSRC: - default: - rc = -EINVAL; - } - - return rc; -} - -static int daca_mixer_ioctl(u_int cmd, u_long arg) -{ - int data; - int rc; - - /* And the DACA's no genius either! */ - - switch(cmd) { - case SOUND_MIXER_READ_DEVMASK: - data = SOUND_MASK_VOLUME; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECMASK: - data = 0; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_RECSRC: - data = 0; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_WRITE_RECSRC: - IOCTL_IN(arg, data); - data =0; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_STEREODEVS: - data = SOUND_MASK_VOLUME; - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_READ_CAPS: - rc = IOCTL_OUT(arg, 0); - break; - case SOUND_MIXER_WRITE_VOLUME: - IOCTL_IN(arg, data); - daca_set_volume(data, data); - /* Fall through */ - case SOUND_MIXER_READ_VOLUME: - daca_get_volume(& data, &data); - rc = IOCTL_OUT(arg, data); - break; - case SOUND_MIXER_OUTMASK: - case SOUND_MIXER_OUTSRC: - default: - rc = -EINVAL; - } - return rc; -} - -static int PMacMixerIoctl(u_int cmd, u_long arg) -{ - int rc; - - /* Different IOCTLS for burgundy and, eventually, DACA & Tumbler */ - - TRY_LOCK(); - - switch (awacs_revision){ - case AWACS_BURGUNDY: - rc = burgundy_mixer_ioctl(cmd, arg); - break ; - case AWACS_DACA: - rc = daca_mixer_ioctl(cmd, arg); - break; - case AWACS_TUMBLER: - case AWACS_SNAPPER: - rc = tas_mixer_ioctl(cmd, arg); - break ; - default: /* ;-)) */ - rc = awacs_mixer_ioctl(cmd, arg); - } - - UNLOCK(); - - return rc; -} - -static void PMacMixerInit(void) -{ - switch (awacs_revision) { - case AWACS_TUMBLER: - printk("AE-Init tumbler mixer\n"); - break ; - case AWACS_SNAPPER: - printk("AE-Init snapper mixer\n"); - break ; - case AWACS_DACA: - case AWACS_BURGUNDY: - break ; /* don't know yet */ - case AWACS_AWACS: - case AWACS_SCREAMER: - default: - awacs_mixer_init() ; - break ; - } -} - -/* Write/Read sq setup functions: - Check to see if we have enough (or any) dbdma cmd buffers for the - user's fragment settings. If not, allocate some. If this fails we will - point at the beep buffer - as an emergency provision - to stop dma tromping - on some random bit of memory (if someone lets it go anyway). - The command buffers are then set up to point to the fragment buffers - (allocated elsewhere). We need n+1 commands the last of which holds - a NOP + loop to start. -*/ - -static int PMacWriteSqSetup(void) -{ - int i, count = 600 ; - volatile struct dbdma_cmd *cp; - - LOCK(); - - /* stop the controller from doing any output - if it isn't already. - it _should_ be before this is called anyway */ - - out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - while ((in_le32(&awacs_txdma->status) & RUN) && count--) - udelay(1); -#ifdef DEBUG_DMASOUND -if (count <= 0) - printk("dmasound_pmac: write sq setup: timeout waiting for dma to stop\n"); -#endif - - if ((write_sq.max_count + 1) > number_of_tx_cmd_buffers) { - kfree(awacs_tx_cmd_space); - number_of_tx_cmd_buffers = 0; - - /* we need nbufs + 1 (for the loop) and we should request + 1 - again because the DBDMA_ALIGN might pull the start up by up - to sizeof(struct dbdma_cmd) - 4. - */ - - awacs_tx_cmd_space = kmalloc - ((write_sq.max_count + 1 + 1) * sizeof(struct dbdma_cmd), - GFP_KERNEL); - if (awacs_tx_cmd_space == NULL) { - /* don't leave it dangling - nasty but better than a - random address */ - out_le32(&awacs_txdma->cmdptr, virt_to_bus(beep_dbdma_cmd)); - printk(KERN_ERR - "dmasound_pmac: can't allocate dbdma cmd buffers" - ", driver disabled\n"); - UNLOCK(); - return -ENOMEM; - } - awacs_tx_cmds = (volatile struct dbdma_cmd *) - DBDMA_ALIGN(awacs_tx_cmd_space); - number_of_tx_cmd_buffers = write_sq.max_count + 1; - } - - cp = awacs_tx_cmds; - memset((void *)cp, 0, (write_sq.max_count+1) * sizeof(struct dbdma_cmd)); - for (i = 0; i < write_sq.max_count; ++i, ++cp) { - st_le32(&cp->phy_addr, virt_to_bus(write_sq.buffers[i])); - } - st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); - st_le32(&cp->cmd_dep, virt_to_bus(awacs_tx_cmds)); - /* point the controller at the command stack - ready to go */ - out_le32(&awacs_txdma->cmdptr, virt_to_bus(awacs_tx_cmds)); - UNLOCK(); - return 0; -} - -static int PMacReadSqSetup(void) -{ - int i, count = 600; - volatile struct dbdma_cmd *cp; - - LOCK(); - - /* stop the controller from doing any input - if it isn't already. - it _should_ be before this is called anyway */ - - out_le32(&awacs_rxdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - while ((in_le32(&awacs_rxdma->status) & RUN) && count--) - udelay(1); -#ifdef DEBUG_DMASOUND -if (count <= 0) - printk("dmasound_pmac: read sq setup: timeout waiting for dma to stop\n"); -#endif - - if ((read_sq.max_count+1) > number_of_rx_cmd_buffers ) { - kfree(awacs_rx_cmd_space); - number_of_rx_cmd_buffers = 0; - - /* we need nbufs + 1 (for the loop) and we should request + 1 again - because the DBDMA_ALIGN might pull the start up by up to - sizeof(struct dbdma_cmd) - 4 (assuming kmalloc aligns 32 bits). - */ - - awacs_rx_cmd_space = kmalloc - ((read_sq.max_count + 1 + 1) * sizeof(struct dbdma_cmd), - GFP_KERNEL); - if (awacs_rx_cmd_space == NULL) { - /* don't leave it dangling - nasty but better than a - random address */ - out_le32(&awacs_rxdma->cmdptr, virt_to_bus(beep_dbdma_cmd)); - printk(KERN_ERR - "dmasound_pmac: can't allocate dbdma cmd buffers" - ", driver disabled\n"); - UNLOCK(); - return -ENOMEM; - } - awacs_rx_cmds = (volatile struct dbdma_cmd *) - DBDMA_ALIGN(awacs_rx_cmd_space); - number_of_rx_cmd_buffers = read_sq.max_count + 1 ; - } - cp = awacs_rx_cmds; - memset((void *)cp, 0, (read_sq.max_count+1) * sizeof(struct dbdma_cmd)); - - /* Set dma buffers up in a loop */ - for (i = 0; i < read_sq.max_count; i++,cp++) { - st_le32(&cp->phy_addr, virt_to_bus(read_sq.buffers[i])); - st_le16(&cp->command, INPUT_MORE + INTR_ALWAYS); - st_le16(&cp->req_count, read_sq.block_size); - st_le16(&cp->xfer_status, 0); - } - - /* The next two lines make the thing loop around. - */ - st_le16(&cp->command, DBDMA_NOP + BR_ALWAYS); - st_le32(&cp->cmd_dep, virt_to_bus(awacs_rx_cmds)); - /* point the controller at the command stack - ready to go */ - out_le32(&awacs_rxdma->cmdptr, virt_to_bus(awacs_rx_cmds)); - - UNLOCK(); - return 0; -} - -/* TODO: this needs work to guarantee that when it returns DMA has stopped - but in a more elegant way than is done here.... -*/ - -static void PMacAbortRead(void) -{ - int i; - volatile struct dbdma_cmd *cp; - - LOCK(); - /* give it a chance to update the output and provide the IRQ - that is expected. - */ - - out_le32(&awacs_rxdma->control, ((FLUSH) << 16) + FLUSH ); - - cp = awacs_rx_cmds; - for (i = 0; i < read_sq.max_count; i++,cp++) - st_le16(&cp->command, DBDMA_STOP); - /* - * We should probably wait for the thing to stop before we - * release the memory. - */ - - msleep(100) ; /* give it a (small) chance to act */ - - /* apply the sledgehammer approach - just stop it now */ - - out_le32(&awacs_rxdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - UNLOCK(); -} - -extern char *get_afmt_string(int); -static int PMacStateInfo(char *b, size_t sp) -{ - int i, len = 0; - len = sprintf(b,"HW rates: "); - switch (awacs_revision){ - case AWACS_DACA: - case AWACS_BURGUNDY: - len += sprintf(b,"44100 ") ; - break ; - case AWACS_TUMBLER: - case AWACS_SNAPPER: - for (i=0; i<1; i++){ - if (tas_freqs_ok[i]) - len += sprintf(b+len,"%d ", tas_freqs[i]) ; - } - break ; - case AWACS_AWACS: - case AWACS_SCREAMER: - default: - for (i=0; i<8; i++){ - if (awacs_freqs_ok[i]) - len += sprintf(b+len,"%d ", awacs_freqs[i]) ; - } - break ; - } - len += sprintf(b+len,"s/sec\n") ; - if (len < sp) { - len += sprintf(b+len,"HW AFMTS: "); - i = AFMT_U16_BE ; - while (i) { - if (i & dmasound.mach.hardware_afmts) - len += sprintf(b+len,"%s ", - get_afmt_string(i & dmasound.mach.hardware_afmts)); - i >>= 1 ; - } - len += sprintf(b+len,"\n") ; - } - return len ; -} - -/*** Machine definitions *****************************************************/ - -static SETTINGS def_hard = { - .format = AFMT_S16_BE, - .stereo = 1, - .size = 16, - .speed = 44100 -} ; - -static SETTINGS def_soft = { - .format = AFMT_S16_BE, - .stereo = 1, - .size = 16, - .speed = 44100 -} ; - -static MACHINE machPMac = { - .name = awacs_name, - .name2 = "PowerMac Built-in Sound", - .owner = THIS_MODULE, - .dma_alloc = PMacAlloc, - .dma_free = PMacFree, - .irqinit = PMacIrqInit, -#ifdef MODULE - .irqcleanup = PMacIrqCleanup, -#endif /* MODULE */ - .init = PMacInit, - .silence = PMacSilence, - .setFormat = PMacSetFormat, - .setVolume = PMacSetVolume, - .play = PMacPlay, - .record = NULL, /* default to no record */ - .mixer_init = PMacMixerInit, - .mixer_ioctl = PMacMixerIoctl, - .write_sq_setup = PMacWriteSqSetup, - .read_sq_setup = PMacReadSqSetup, - .state_info = PMacStateInfo, - .abort_read = PMacAbortRead, - .min_dsp_speed = 7350, - .max_dsp_speed = 44100, - .version = ((DMASOUND_AWACS_REVISION<<8) + DMASOUND_AWACS_EDITION) -}; - - -/*** Config & Setup **********************************************************/ - -/* Check for pmac models that we care about in terms of special actions. -*/ - -void __init -set_model(void) -{ - /* portables/lap-tops */ - - if (machine_is_compatible("AAPL,3400/2400") || - machine_is_compatible("AAPL,3500")) { - is_pbook_3X00 = 1 ; - } - if (machine_is_compatible("PowerBook1,1") || /* lombard */ - machine_is_compatible("AAPL,PowerBook1998")){ /* wallstreet */ - is_pbook_g3 = 1 ; - return ; - } -} - -/* Get the OF node that tells us about the registers, interrupts etc. to use - for sound IO. - - On most machines the sound IO OF node is the 'davbus' node. On newer pmacs - with DACA (& Tumbler) the node to use is i2s-a. On much older machines i.e. - before 9500 there is no davbus node and we have to use the 'awacs' property. - - In the latter case we signal this by setting the codec value - so that the - code that looks for chip properties knows how to go about it. -*/ - -static struct device_node* __init -get_snd_io_node(void) -{ - struct device_node *np; - - /* set up awacs_node for early OF which doesn't have a full set of - * properties on davbus - */ - awacs_node = of_find_node_by_name(NULL, "awacs"); - if (awacs_node) - awacs_revision = AWACS_AWACS; - - /* powermac models after 9500 (other than those which use DACA or - * Tumbler) have a node called "davbus". - */ - np = of_find_node_by_name(NULL, "davbus"); - /* - * if we didn't find a davbus device, try 'i2s-a' since - * this seems to be what iBooks (& Tumbler) have. - */ - if (np == NULL) { - i2s_node = of_find_node_by_name(NULL, "i2s-a"); - np = of_node_get(i2s_node); - } - - /* if we didn't find this - perhaps we are on an early model - * which _only_ has an 'awacs' node - */ - if (np == NULL && awacs_node) - np = of_node_get(awacs_node); - - /* if we failed all these return null - this will cause the - * driver to give up... - */ - return np ; -} - -/* Get the OF node that contains the info about the sound chip, inputs s-rates - etc. - This node does not exist (or contains much reduced info) on earlier machines - we have to deduce the info other ways for these. -*/ - -static struct device_node* __init -get_snd_info_node(struct device_node *io) -{ - struct device_node *info; - - for_each_node_by_name(info, "sound") - if (info->parent == io) - break; - return info; -} - -/* Find out what type of codec we have. -*/ - -static int __init -get_codec_type(struct device_node *info) -{ - /* already set if pre-davbus model and info will be NULL */ - int codec = awacs_revision ; - - if (info) { - /* must do awacs first to allow screamer to overide it */ - if (of_device_is_compatible(info, "awacs")) - codec = AWACS_AWACS ; - if (of_device_is_compatible(info, "screamer")) - codec = AWACS_SCREAMER; - if (of_device_is_compatible(info, "burgundy")) - codec = AWACS_BURGUNDY ; - if (of_device_is_compatible(info, "daca")) - codec = AWACS_DACA; - if (of_device_is_compatible(info, "tumbler")) - codec = AWACS_TUMBLER; - if (of_device_is_compatible(info, "snapper")) - codec = AWACS_SNAPPER; - } - return codec ; -} - -/* find out what type, if any, of expansion card we have -*/ -static void __init -get_expansion_type(void) -{ - struct device_node *dn; - - dn = of_find_node_by_name(NULL, "perch"); - if (dn != NULL) - has_perch = 1; - of_node_put(dn); - - dn = of_find_node_by_name(NULL, "pb-ziva-pc"); - if (dn != NULL) - has_ziva = 1; - of_node_put(dn); - /* need to work out how we deal with iMac SRS module */ -} - -/* set up frame rates. - * I suspect that these routines don't quite go about it the right way: - * - where there is more than one rate - I think that the first property - * value is the number of rates. - * TODO: check some more device trees and modify accordingly - * Set dmasound.mach.max_dsp_rate on the basis of these routines. -*/ - -static void __init -awacs_init_frame_rates(const unsigned int *prop, unsigned int l) -{ - int i ; - if (prop) { - for (i=0; i<8; i++) - awacs_freqs_ok[i] = 0 ; - for (l /= sizeof(int); l > 0; --l) { - unsigned int r = *prop++; - /* Apple 'Fixed' format */ - if (r >= 0x10000) - r >>= 16; - for (i = 0; i < 8; ++i) { - if (r == awacs_freqs[i]) { - awacs_freqs_ok[i] = 1; - break; - } - } - } - } - /* else we assume that all the rates are available */ -} - -static void __init -burgundy_init_frame_rates(const unsigned int *prop, unsigned int l) -{ - int temp[9] ; - int i = 0 ; - if (prop) { - for (l /= sizeof(int); l > 0; --l) { - unsigned int r = *prop++; - /* Apple 'Fixed' format */ - if (r >= 0x10000) - r >>= 16; - temp[i] = r ; - i++ ; if(i>=9) i=8; - } - } -#ifdef DEBUG_DMASOUND -if (i > 1){ - int j; - printk("dmasound_pmac: burgundy with multiple frame rates\n"); - for(j=0; j<i; j++) - printk("%d ", temp[j]) ; - printk("\n") ; -} -#endif -} - -static void __init -daca_init_frame_rates(const unsigned int *prop, unsigned int l) -{ - int temp[9] ; - int i = 0 ; - if (prop) { - for (l /= sizeof(int); l > 0; --l) { - unsigned int r = *prop++; - /* Apple 'Fixed' format */ - if (r >= 0x10000) - r >>= 16; - temp[i] = r ; - i++ ; if(i>=9) i=8; - - } - } -#ifdef DEBUG_DMASOUND -if (i > 1){ - int j; - printk("dmasound_pmac: DACA with multiple frame rates\n"); - for(j=0; j<i; j++) - printk("%d ", temp[j]) ; - printk("\n") ; -} -#endif -} - -static void __init -init_frame_rates(const unsigned int *prop, unsigned int l) -{ - switch (awacs_revision) { - case AWACS_TUMBLER: - case AWACS_SNAPPER: - tas_init_frame_rates(prop, l); - break ; - case AWACS_DACA: - daca_init_frame_rates(prop, l); - break ; - case AWACS_BURGUNDY: - burgundy_init_frame_rates(prop, l); - break ; - default: - awacs_init_frame_rates(prop, l); - break ; - } -} - -/* find things/machines that can't do mac-io byteswap -*/ - -static void __init -set_hw_byteswap(struct device_node *io) -{ - struct device_node *mio ; - unsigned int kl = 0 ; - - /* if seems that Keylargo can't byte-swap */ - - for (mio = io->parent; mio ; mio = mio->parent) { - if (strcmp(mio->name, "mac-io") == 0) { - if (of_device_is_compatible(mio, "Keylargo")) - kl = 1; - break; - } - } - hw_can_byteswap = !kl; -} - -/* Allocate the resources necessary for beep generation. This cannot be (quite) - done statically (yet) because we cannot do virt_to_bus() on static vars when - the code is loaded as a module. - - for the sake of saving the possibility that two allocations will incur the - overhead of two pull-ups in DBDMA_ALIGN() we allocate the 'emergency' dmdma - command here as well... even tho' it is not part of the beep process. -*/ - -int32_t -__init setup_beep(void) -{ - /* Initialize beep stuff */ - /* want one cmd buffer for beeps, and a second one for emergencies - - i.e. dbdma error conditions. - ask for three to allow for pull up in DBDMA_ALIGN(). - */ - beep_dbdma_cmd_space = - kmalloc((2 + 1) * sizeof(struct dbdma_cmd), GFP_KERNEL); - if(beep_dbdma_cmd_space == NULL) { - printk(KERN_ERR "dmasound_pmac: no beep dbdma cmd space\n") ; - return -ENOMEM ; - } - beep_dbdma_cmd = (volatile struct dbdma_cmd *) - DBDMA_ALIGN(beep_dbdma_cmd_space); - /* set up emergency dbdma cmd */ - emergency_dbdma_cmd = beep_dbdma_cmd+1 ; - beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL); - if (beep_buf == NULL) { - printk(KERN_ERR "dmasound_pmac: no memory for beep buffer\n"); - kfree(beep_dbdma_cmd_space) ; - return -ENOMEM ; - } - return 0 ; -} - -static struct input_dev *awacs_beep_dev; - -int __init dmasound_awacs_init(void) -{ - struct device_node *io = NULL, *info = NULL; - int vol, res; - - if (!machine_is(powermac)) - return -ENODEV; - - awacs_subframe = 0; - awacs_revision = 0; - hw_can_byteswap = 1 ; /* most can */ - - /* look for models we need to handle specially */ - set_model() ; - - /* find the OF node that tells us about the dbdma stuff - */ - io = get_snd_io_node(); - if (io == NULL) { -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: couldn't find sound io OF node\n"); -#endif - goto no_device; - } - - /* find the OF node that tells us about the sound sub-system - * this doesn't exist on pre-davbus machines (earlier than 9500) - */ - if (awacs_revision != AWACS_AWACS) { /* set for pre-davbus */ - info = get_snd_info_node(io) ; - if (info == NULL){ -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: couldn't find 'sound' OF node\n"); -#endif - goto no_device; - } - } - - awacs_revision = get_codec_type(info) ; - if (awacs_revision == 0) { -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: couldn't find a Codec we can handle\n"); -#endif - goto no_device; /* we don't know this type of h/w */ - } - - /* set up perch, ziva, SRS or whatever else we have as sound - * expansion. - */ - get_expansion_type(); - - /* we've now got enough information to make up the audio topology. - * we will map the sound part of mac-io now so that we can probe for - * other info if necessary (early AWACS we want to read chip ids) - */ - - if (of_get_address(io, 2, NULL, NULL) == NULL) { - /* OK - maybe we need to use the 'awacs' node (on earlier - * machines). - */ - if (awacs_node) { - of_node_put(io); - io = of_node_get(awacs_node); - if (of_get_address(io, 2, NULL, NULL) == NULL) { - printk("dmasound_pmac: can't use %s\n", - io->full_name); - goto no_device; - } - } else - printk("dmasound_pmac: can't use %s\n", io->full_name); - } - - if (of_address_to_resource(io, 0, &awacs_rsrc[0]) || - request_mem_region(awacs_rsrc[0].start, - awacs_rsrc[0].end - awacs_rsrc[0].start + 1, - " (IO)") == NULL) { - printk(KERN_ERR "dmasound: can't request IO resource !\n"); - goto no_device; - } - if (of_address_to_resource(io, 1, &awacs_rsrc[1]) || - request_mem_region(awacs_rsrc[1].start, - awacs_rsrc[1].end - awacs_rsrc[1].start + 1, - " (tx dma)") == NULL) { - release_mem_region(awacs_rsrc[0].start, - awacs_rsrc[0].end - awacs_rsrc[0].start + 1); - printk(KERN_ERR "dmasound: can't request Tx DMA resource !\n"); - goto no_device; - } - if (of_address_to_resource(io, 2, &awacs_rsrc[2]) || - request_mem_region(awacs_rsrc[2].start, - awacs_rsrc[2].end - awacs_rsrc[2].start + 1, - " (rx dma)") == NULL) { - release_mem_region(awacs_rsrc[0].start, - awacs_rsrc[0].end - awacs_rsrc[0].start + 1); - release_mem_region(awacs_rsrc[1].start, - awacs_rsrc[1].end - awacs_rsrc[1].start + 1); - printk(KERN_ERR "dmasound: can't request Rx DMA resource !\n"); - goto no_device; - } - - awacs_beep_dev = input_allocate_device(); - if (!awacs_beep_dev) { - release_mem_region(awacs_rsrc[0].start, - awacs_rsrc[0].end - awacs_rsrc[0].start + 1); - release_mem_region(awacs_rsrc[1].start, - awacs_rsrc[1].end - awacs_rsrc[1].start + 1); - release_mem_region(awacs_rsrc[2].start, - awacs_rsrc[2].end - awacs_rsrc[2].start + 1); - printk(KERN_ERR "dmasound: can't allocate input device !\n"); - goto no_device; - } - - awacs_beep_dev->name = "dmasound beeper"; - awacs_beep_dev->phys = "macio/input0"; - awacs_beep_dev->id.bustype = BUS_HOST; - awacs_beep_dev->event = awacs_beep_event; - awacs_beep_dev->sndbit[0] = BIT(SND_BELL) | BIT(SND_TONE); - awacs_beep_dev->evbit[0] = BIT(EV_SND); - - /* all OF versions I've seen use this value */ - if (i2s_node) - i2s = ioremap(awacs_rsrc[0].start, 0x1000); - else - awacs = ioremap(awacs_rsrc[0].start, 0x1000); - awacs_txdma = ioremap(awacs_rsrc[1].start, 0x100); - awacs_rxdma = ioremap(awacs_rsrc[2].start, 0x100); - - /* first of all make sure that the chip is powered up....*/ - pmac_call_feature(PMAC_FTR_SOUND_CHIP_ENABLE, io, 0, 1); - if (awacs_revision == AWACS_SCREAMER && awacs) - awacs_recalibrate(); - - awacs_irq = irq_of_parse_and_map(io, 0); - awacs_tx_irq = irq_of_parse_and_map(io, 1); - awacs_rx_irq = irq_of_parse_and_map(io, 2); - - /* Hack for legacy crap that will be killed someday */ - of_node_put(awacs_node); - awacs_node = of_node_get(io); - - /* if we have an awacs or screamer - probe the chip to make - * sure we have the right revision. - */ - - if (awacs_revision <= AWACS_SCREAMER){ - uint32_t temp, rev, mfg ; - /* find out the awacs revision from the chip */ - temp = in_le32(&awacs->codec_stat); - rev = (temp >> 12) & 0xf; - mfg = (temp >> 8) & 0xf; -#ifdef DEBUG_DMASOUND -printk("dmasound_pmac: Awacs/Screamer Codec Mfct: %d Rev %d\n", mfg, rev); -#endif - if (rev >= AWACS_SCREAMER) - awacs_revision = AWACS_SCREAMER ; - else - awacs_revision = rev ; - } - - dmasound.mach = machPMac; - - /* find out other bits & pieces from OF, these may be present - only on some models ... so be careful. - */ - - /* in the absence of a frame rates property we will use the defaults - */ - - if (info) { - const unsigned int *prop; - unsigned int l; - - sound_device_id = 0; - /* device ID appears post g3 b&w */ - prop = of_get_property(info, "device-id", NULL); - if (prop != 0) - sound_device_id = *prop; - - /* look for a property saying what sample rates - are available */ - - prop = of_get_property(info, "sample-rates", &l); - if (prop == 0) - prop = of_get_property(info, "output-frame-rates", &l); - - /* if it's there use it to set up frame rates */ - init_frame_rates(prop, l) ; - of_node_put(info); - info = NULL; - } - - if (awacs) - out_le32(&awacs->control, 0x11); /* set everything quiesent */ - - set_hw_byteswap(io) ; /* figure out if the h/w can do it */ - -#ifdef CONFIG_NVRAM - /* get default volume from nvram */ - vol = ((pmac_xpram_read( 8 ) & 7 ) << 1 ); -#else - vol = 0; -#endif - - /* set up tracking values */ - spk_vol = vol * 100 ; - spk_vol /= 7 ; /* get set value to a percentage */ - spk_vol |= (spk_vol << 8) ; /* equal left & right */ - line_vol = passthru_vol = spk_vol ; - - /* fill regs that are shared between AWACS & Burgundy */ - - awacs_reg[2] = vol + (vol << 6); - awacs_reg[4] = vol + (vol << 6); - awacs_reg[5] = vol + (vol << 6); /* screamer has loopthru vol control */ - awacs_reg[6] = 0; /* maybe should be vol << 3 for PCMCIA speaker */ - awacs_reg[7] = 0; - - awacs_reg[0] = MASK_MUX_CD; - awacs_reg[1] = MASK_LOOPTHRU; - - /* FIXME: Only machines with external SRS module need MASK_PAROUT */ - if (has_perch || sound_device_id == 0x5 - || /*sound_device_id == 0x8 ||*/ sound_device_id == 0xb) - awacs_reg[1] |= MASK_PAROUT0 | MASK_PAROUT1; - - switch (awacs_revision) { - case AWACS_TUMBLER: - tas_register_driver(&tas3001c_hooks); - tas_init(I2C_DRIVERID_TAS3001C, I2C_DRIVERNAME_TAS3001C); - tas_dmasound_init(); - tas_post_init(); - break ; - case AWACS_SNAPPER: - tas_register_driver(&tas3004_hooks); - tas_init(I2C_DRIVERID_TAS3004,I2C_DRIVERNAME_TAS3004); - tas_dmasound_init(); - tas_post_init(); - break; - case AWACS_DACA: - daca_init(); - break; - case AWACS_BURGUNDY: - awacs_burgundy_init(); - break ; - case AWACS_SCREAMER: - case AWACS_AWACS: - default: - load_awacs(); - break ; - } - - /* enable/set-up external modules - when we know how */ - - if (has_perch) - awacs_enable_amp(100 * 0x101); - - /* Reset dbdma channels */ - out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); - while (in_le32(&awacs_txdma->status) & RUN) - udelay(1); - out_le32(&awacs_rxdma->control, (RUN|PAUSE|FLUSH|WAKE|DEAD) << 16); - while (in_le32(&awacs_rxdma->status) & RUN) - udelay(1); - - /* Initialize beep stuff */ - if ((res=setup_beep())) - return res ; - -#ifdef CONFIG_PM - pmu_register_sleep_notifier(&awacs_sleep_notifier); -#endif /* CONFIG_PM */ - - /* Powerbooks have odd ways of enabling inputs such as - an expansion-bay CD or sound from an internal modem - or a PC-card modem. */ - if (is_pbook_3X00) { - /* - * Enable CD and PC-card sound inputs. - * This is done by reading from address - * f301a000, + 0x10 to enable the expansion-bay - * CD sound input, + 0x80 to enable the PC-card - * sound input. The 0x100 enables the SCSI bus - * terminator power. - */ - latch_base = ioremap (0xf301a000, 0x1000); - in_8(latch_base + 0x190); - - } else if (is_pbook_g3) { - struct device_node* mio; - macio_base = NULL; - for (mio = io->parent; mio; mio = mio->parent) { - if (strcmp(mio->name, "mac-io") == 0) { - struct resource r; - if (of_address_to_resource(mio, 0, &r) == 0) - macio_base = ioremap(r.start, 0x40); - break; - } - } - /* - * Enable CD sound input. - * The relevant bits for writing to this byte are 0x8f. - * I haven't found out what the 0x80 bit does. - * For the 0xf bits, writing 3 or 7 enables the CD - * input, any other value disables it. Values - * 1, 3, 5, 7 enable the microphone. Values 0, 2, - * 4, 6, 8 - f enable the input from the modem. - * -- paulus. - */ - if (macio_base) - out_8(macio_base + 0x37, 3); - } - - if (hw_can_byteswap) - dmasound.mach.hardware_afmts = (AFMT_S16_BE | AFMT_S16_LE) ; - else - dmasound.mach.hardware_afmts = AFMT_S16_BE ; - - /* shut out chips that do output only. - * may need to extend this to machines which have no inputs - even tho' - * they use screamer - IIRC one of the powerbooks is like this. - */ - - if (awacs_revision != AWACS_DACA) { - dmasound.mach.capabilities = DSP_CAP_DUPLEX ; - dmasound.mach.record = PMacRecord ; - } - - dmasound.mach.default_hard = def_hard ; - dmasound.mach.default_soft = def_soft ; - - switch (awacs_revision) { - case AWACS_BURGUNDY: - sprintf(awacs_name, "PowerMac Burgundy ") ; - break ; - case AWACS_DACA: - sprintf(awacs_name, "PowerMac DACA ") ; - break ; - case AWACS_TUMBLER: - sprintf(awacs_name, "PowerMac Tumbler ") ; - break ; - case AWACS_SNAPPER: - sprintf(awacs_name, "PowerMac Snapper ") ; - break ; - case AWACS_SCREAMER: - sprintf(awacs_name, "PowerMac Screamer ") ; - break ; - case AWACS_AWACS: - default: - sprintf(awacs_name, "PowerMac AWACS rev %d ", awacs_revision) ; - break ; - } - - /* - * XXX: we should handle errors here, but that would mean - * rewriting the whole init code. later.. - */ - input_register_device(awacs_beep_dev); - - of_node_put(io); - - return dmasound_init(); - -no_device: - of_node_put(info); - of_node_put(awacs_node); - of_node_put(i2s_node); - of_node_put(io); - return -ENODEV ; -} - -static void __exit dmasound_awacs_cleanup(void) -{ - input_unregister_device(awacs_beep_dev); - - switch (awacs_revision) { - case AWACS_TUMBLER: - case AWACS_SNAPPER: - tas_dmasound_cleanup(); - tas_cleanup(); - break ; - case AWACS_DACA: - daca_cleanup(); - break; - } - dmasound_deinit(); - - of_node_put(awacs_node); - of_node_put(i2s_node); -} - -MODULE_DESCRIPTION("PowerMac built-in audio driver."); -MODULE_LICENSE("GPL"); - -module_init(dmasound_awacs_init); -module_exit(dmasound_awacs_cleanup); |
