diff options
Diffstat (limited to 'arch/ppc')
29 files changed, 409 insertions, 3443 deletions
diff --git a/arch/ppc/8xx_io/Kconfig b/arch/ppc/8xx_io/Kconfig index 57dacf978532..c623e44f01ad 100644 --- a/arch/ppc/8xx_io/Kconfig +++ b/arch/ppc/8xx_io/Kconfig @@ -74,10 +74,6 @@ config ENET_BIG_BUFFERS Allocate large buffers for MPC8xx Ethernet. Increases throughput and decreases the likelihood of dropped packets, but costs memory. -config HTDMSOUND - bool "Embedded Planet HIOX Audio" - depends on SOUND=y - # This doesn't really belong here, but it is convenient to ask # 8xx specific questions. comment "Generic MPC8xx Options" diff --git a/arch/ppc/8xx_io/Makefile b/arch/ppc/8xx_io/Makefile index d8760181fe99..1051a06df7e0 100644 --- a/arch/ppc/8xx_io/Makefile +++ b/arch/ppc/8xx_io/Makefile @@ -7,4 +7,3 @@ obj-y := commproc.o obj-$(CONFIG_FEC_ENET) += fec.o obj-$(CONFIG_SCC_ENET) += enet.o obj-$(CONFIG_UCODE_PATCH) += micropatch.o -obj-$(CONFIG_HTDMSOUND) += cs4218_tdm.o diff --git a/arch/ppc/8xx_io/cs4218.h b/arch/ppc/8xx_io/cs4218.h deleted file mode 100644 index e5f943045afa..000000000000 --- a/arch/ppc/8xx_io/cs4218.h +++ /dev/null @@ -1,166 +0,0 @@ -#ifndef _cs4218_h_ -/* - * Hacked version of linux/drivers/sound/dmasound/dmasound.h - * - * - * Minor numbers for the sound driver. - * - * Unfortunately Creative called the codec chip of SB as a DSP. For this - * reason the /dev/dsp is reserved for digitized audio use. There is a - * device for true DSP processors but it will be called something else. - * In v3.0 it's /dev/sndproc but this could be a temporary solution. - */ -#define _cs4218_h_ - -#include <linux/types.h> - -#define SND_NDEVS 256 /* Number of supported devices */ -#define SND_DEV_CTL 0 /* Control port /dev/mixer */ -#define SND_DEV_SEQ 1 /* Sequencer output /dev/sequencer (FM - synthesizer and MIDI output) */ -#define SND_DEV_MIDIN 2 /* Raw midi access */ -#define SND_DEV_DSP 3 /* Digitized voice /dev/dsp */ -#define SND_DEV_AUDIO 4 /* Sparc compatible /dev/audio */ -#define SND_DEV_DSP16 5 /* Like /dev/dsp but 16 bits/sample */ -#define SND_DEV_STATUS 6 /* /dev/sndstat */ -/* #7 not in use now. Was in 2.4. Free for use after v3.0. */ -#define SND_DEV_SEQ2 8 /* /dev/sequencer, level 2 interface */ -#define SND_DEV_SNDPROC 9 /* /dev/sndproc for programmable devices */ -#define SND_DEV_PSS SND_DEV_SNDPROC - -/* switch on various prinks */ -#define DEBUG_DMASOUND 1 - -#define MAX_AUDIO_DEV 5 -#define MAX_MIXER_DEV 4 -#define MAX_SYNTH_DEV 3 -#define MAX_MIDI_DEV 6 -#define MAX_TIMER_DEV 3 - -#define MAX_CATCH_RADIUS 10 - -#define le2be16(x) (((x)<<8 & 0xff00) | ((x)>>8 & 0x00ff)) -#define le2be16dbl(x) (((x)<<8 & 0xff00ff00) | ((x)>>8 & 0x00ff00ff)) - -#define IOCTL_IN(arg, ret) \ - do { int error = get_user(ret, (int *)(arg)); \ - if (error) return error; \ - } while (0) -#define IOCTL_OUT(arg, ret) ioctl_return((int *)(arg), ret) - -static inline int ioctl_return(int *addr, int value) -{ - return value < 0 ? value : put_user(value, addr); -} - -#define HAS_RECORD - - /* - * Initialization - */ - -/* description of the set-up applies to either hard or soft settings */ - -typedef struct { - int format; /* AFMT_* */ - int stereo; /* 0 = mono, 1 = stereo */ - int size; /* 8/16 bit*/ - int speed; /* speed */ -} SETTINGS; - - /* - * Machine definitions - */ - -typedef struct { - const char *name; - const char *name2; - void (*open)(void); - void (*release)(void); - void *(*dma_alloc)(unsigned int, gfp_t); - void (*dma_free)(void *, unsigned int); - int (*irqinit)(void); -#ifdef MODULE - void (*irqcleanup)(void); -#endif - void (*init)(void); - void (*silence)(void); - int (*setFormat)(int); - int (*setVolume)(int); - int (*setBass)(int); - int (*setTreble)(int); - int (*setGain)(int); - void (*play)(void); - void (*record)(void); /* optional */ - void (*mixer_init)(void); /* optional */ - int (*mixer_ioctl)(u_int, u_long); /* optional */ - int (*write_sq_setup)(void); /* optional */ - int (*read_sq_setup)(void); /* optional */ - int (*sq_open)(mode_t); /* optional */ - int (*state_info)(char *, size_t); /* optional */ - void (*abort_read)(void); /* optional */ - int min_dsp_speed; - int max_dsp_speed; - int version ; - int hardware_afmts ; /* OSS says we only return h'ware info */ - /* when queried via SNDCTL_DSP_GETFMTS */ - int capabilities ; /* low-level reply to SNDCTL_DSP_GETCAPS */ - SETTINGS default_hard ; /* open() or init() should set something valid */ - SETTINGS default_soft ; /* you can make it look like old OSS, if you want to */ -} MACHINE; - - /* - * Low level stuff - */ - -typedef struct { - ssize_t (*ct_ulaw)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_alaw)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_s8)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_u8)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_s16be)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_u16be)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_s16le)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); - ssize_t (*ct_u16le)(const u_char *, size_t, u_char *, ssize_t *, ssize_t); -} TRANS; - - - /* - * Sound queue stuff, the heart of the driver - */ - -struct sound_queue { - /* buffers allocated for this queue */ - int numBufs; /* real limits on what the user can have */ - int bufSize; /* in bytes */ - char **buffers; - - /* current parameters */ - int locked ; /* params cannot be modified when != 0 */ - int user_frags ; /* user requests this many */ - int user_frag_size ; /* of this size */ - int max_count; /* actual # fragments <= numBufs */ - int block_size; /* internal block size in bytes */ - int max_active; /* in-use fragments <= max_count */ - - /* it shouldn't be necessary to declare any of these volatile */ - int front, rear, count; - int rear_size; - /* - * The use of the playing field depends on the hardware - * - * Atari, PMac: The number of frames that are loaded/playing - * - * Amiga: Bit 0 is set: a frame is loaded - * Bit 1 is set: a frame is playing - */ - int active; - wait_queue_head_t action_queue, open_queue, sync_queue; - int open_mode; - int busy, syncing, xruns, died; -}; - -#define SLEEP(queue) interruptible_sleep_on_timeout(&queue, HZ) -#define WAKE_UP(queue) (wake_up_interruptible(&queue)) - -#endif /* _cs4218_h_ */ diff --git a/arch/ppc/8xx_io/cs4218_tdm.c b/arch/ppc/8xx_io/cs4218_tdm.c deleted file mode 100644 index a956f28ab162..000000000000 --- a/arch/ppc/8xx_io/cs4218_tdm.c +++ /dev/null @@ -1,2833 +0,0 @@ - -/* This is a modified version of linux/drivers/sound/dmasound.c to - * support the CS4218 codec on the 8xx TDM port. Thanks to everyone - * that contributed to the dmasound software (which includes me :-). - * - * The CS4218 is configured in Mode 4, sub-mode 0. This provides - * left/right data only on the TDM port, as a 32-bit word, per frame - * pulse. The control of the CS4218 is provided by some other means, - * like the SPI port. - * Dan Malek (dmalek@jlc.net) - */ - -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/timer.h> -#include <linux/major.h> -#include <linux/fcntl.h> -#include <linux/errno.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/sound.h> -#include <linux/init.h> -#include <linux/delay.h> - -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/uaccess.h> -#include <asm/io.h> - -/* Should probably do something different with this path name..... - * Actually, I should just stop using it... - */ -#include "cs4218.h" -#include <linux/soundcard.h> - -#include <asm/mpc8xx.h> -#include <asm/8xx_immap.h> -#include <asm/commproc.h> - -#define DMASND_CS4218 5 - -#define MAX_CATCH_RADIUS 10 -#define MIN_BUFFERS 4 -#define MIN_BUFSIZE 4 -#define MAX_BUFSIZE 128 - -#define HAS_8BIT_TABLES - -static int sq_unit = -1; -static int mixer_unit = -1; -static int state_unit = -1; -static int irq_installed = 0; -static char **sound_buffers = NULL; -static char **sound_read_buffers = NULL; - -static DEFINE_SPINLOCK(cs4218_lock); - -/* Local copies of things we put in the control register. Output - * volume, like most codecs is really attenuation. - */ -static int cs4218_rate_index; - -/* - * 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, -}; - -#define BEEP_SPEED 5 /* 22050 Hz sample rate */ -#define BEEP_BUFLEN 512 -#define BEEP_VOLUME 15 /* 0 - 100 */ - -static int beep_volume = BEEP_VOLUME; -static int beep_playing = 0; -static int beep_state = 0; -static short *beep_buf; -static void (*orig_mksound)(unsigned int, unsigned int); - -/* This is found someplace else......I guess in the keyboard driver - * we don't include. - */ -static void (*kd_mksound)(unsigned int, unsigned int); - -static int catchRadius = 0; -static int numBufs = 4, bufSize = 32; -static int numReadBufs = 4, readbufSize = 32; - - -/* TDM/Serial transmit and receive buffer descriptors. -*/ -static volatile cbd_t *rx_base, *rx_cur, *tx_base, *tx_cur; - -module_param(catchRadius, int, 0); -module_param(numBufs, int, 0); -module_param(bufSize, int, 0); -module_param(numreadBufs, int, 0); -module_param(readbufSize, int, 0); - -#define arraysize(x) (sizeof(x)/sizeof(*(x))) -#define le2be16(x) (((x)<<8 & 0xff00) | ((x)>>8 & 0x00ff)) -#define le2be16dbl(x) (((x)<<8 & 0xff00ff00) | ((x)>>8 & 0x00ff00ff)) - -#define IOCTL_IN(arg, ret) \ - do { int error = get_user(ret, (int *)(arg)); \ - if (error) return error; \ - } while (0) -#define IOCTL_OUT(arg, ret) ioctl_return((int *)(arg), ret) - -/* CS4218 serial port control in mode 4. -*/ -#define CS_INTMASK ((uint)0x40000000) -#define CS_DO1 ((uint)0x20000000) -#define CS_LATTEN ((uint)0x1f000000) -#define CS_RATTEN ((uint)0x00f80000) -#define CS_MUTE ((uint)0x00040000) -#define CS_ISL ((uint)0x00020000) -#define CS_ISR ((uint)0x00010000) -#define CS_LGAIN ((uint)0x0000f000) -#define CS_RGAIN ((uint)0x00000f00) - -#define CS_LATTEN_SET(X) (((X) & 0x1f) << 24) -#define CS_RATTEN_SET(X) (((X) & 0x1f) << 19) -#define CS_LGAIN_SET(X) (((X) & 0x0f) << 12) -#define CS_RGAIN_SET(X) (((X) & 0x0f) << 8) - -#define CS_LATTEN_GET(X) (((X) >> 24) & 0x1f) -#define CS_RATTEN_GET(X) (((X) >> 19) & 0x1f) -#define CS_LGAIN_GET(X) (((X) >> 12) & 0x0f) -#define CS_RGAIN_GET(X) (((X) >> 8) & 0x0f) - -/* The control register is effectively write only. We have to keep a copy - * of what we write. - */ -static uint cs4218_control; - -/* A place to store expanding information. -*/ -static int expand_bal; -static int expand_data; - -/* Since I can't make the microcode patch work for the SPI, I just - * clock the bits using software. - */ -static void sw_spi_init(void); -static void sw_spi_io(u_char *obuf, u_char *ibuf, uint bcnt); -static uint cs4218_ctl_write(uint ctlreg); - -/*** Some low level helpers **************************************************/ - -/* 16 bit mu-law */ - -static short ulaw2dma16[] = { - -32124, -31100, -30076, -29052, -28028, -27004, -25980, -24956, - -23932, -22908, -21884, -20860, -19836, -18812, -17788, -16764, - -15996, -15484, -14972, -14460, -13948, -13436, -12924, -12412, - -11900, -11388, -10876, -10364, -9852, -9340, -8828, -8316, - -7932, -7676, -7420, -7164, -6908, -6652, -6396, -6140, - -5884, -5628, -5372, -5116, -4860, -4604, -4348, -4092, - -3900, -3772, -3644, -3516, -3388, -3260, -3132, -3004, - -2876, -2748, -2620, -2492, -2364, -2236, -2108, -1980, - -1884, -1820, -1756, -1692, -1628, -1564, -1500, -1436, - -1372, -1308, -1244, -1180, -1116, -1052, -988, -924, - -876, -844, -812, -780, -748, -716, -684, -652, - -620, -588, -556, -524, -492, -460, -428, -396, - -372, -356, -340, -324, -308, -292, -276, -260, - -244, -228, -212, -196, -180, -164, -148, -132, - -120, -112, -104, -96, -88, -80, -72, -64, - -56, -48, -40, -32, -24, -16, -8, 0, - 32124, 31100, 30076, 29052, 28028, 27004, 25980, 24956, - 23932, 22908, 21884, 20860, 19836, 18812, 17788, 16764, - 15996, 15484, 14972, 14460, 13948, 13436, 12924, 12412, - 11900, 11388, 10876, 10364, 9852, 9340, 8828, 8316, - 7932, 7676, 7420, 7164, 6908, 6652, 6396, 6140, - 5884, 5628, 5372, 5116, 4860, 4604, 4348, 4092, - 3900, 3772, 3644, 3516, 3388, 3260, 3132, 3004, - 2876, 2748, 2620, 2492, 2364, 2236, 2108, 1980, - 1884, 1820, 1756, 1692, 1628, 1564, 1500, 1436, - 1372, 1308, 1244, 1180, 1116, 1052, 988, 924, - 876, 844, 812, 780, 748, 716, 684, 652, - 620, 588, 556, 524, 492, 460, 428, 396, - 372, 356, 340, 324, 308, 292, 276, 260, - 244, 228, 212, 196, 180, 164, 148, 132, - 120, 112, 104, 96, 88, 80, 72, 64, - 56, 48, 40, 32, 24, 16, 8, 0, -}; - -/* 16 bit A-law */ - -static short alaw2dma16[] = { - -5504, -5248, -6016, -5760, -4480, -4224, -4992, -4736, - -7552, -7296, -8064, -7808, -6528, -6272, -7040, -6784, - -2752, -2624, -3008, -2880, -2240, -2112, -2496, -2368, - -3776, -3648, -4032, -3904, -3264, -3136, -3520, -3392, - -22016, -20992, -24064, -23040, -17920, -16896, -19968, -18944, - -30208, -29184, -32256, -31232, -26112, -25088, -28160, -27136, - -11008, -10496, -12032, -11520, -8960, -8448, -9984, -9472, - -15104, -14592, -16128, -15616, -13056, -12544, -14080, -13568, - -344, -328, -376, -360, -280, -264, -312, -296, - -472, -456, -504, -488, -408, -392, -440, -424, - -88, -72, -120, -104, -24, -8, -56, -40, - -216, -200, -248, -232, -152, -136, -184, -168, - -1376, -1312, -1504, -1440, -1120, -1056, -1248, -1184, - -1888, -1824, -2016, -1952, -1632, -1568, -1760, -1696, - -688, -656, -752, -720, -560, -528, -624, -592, - -944, -912, -1008, -976, -816, -784, -880, -848, - 5504, 5248, 6016, 5760, 4480, 4224, 4992, 4736, - 7552, 7296, 8064, 7808, 6528, 6272, 7040, 6784, - 2752, 2624, 3008, 2880, 2240, 2112, 2496, 2368, - 3776, 3648, 4032, 3904, 3264, 3136, 3520, 3392, - 22016, 20992, 24064, 23040, 17920, 16896, 19968, 18944, - 30208, 29184, 32256, 31232, 26112, 25088, 28160, 27136, - 11008, 10496, 12032, 11520, 8960, 8448, 9984, 9472, - 15104, 14592, 16128, 15616, 13056, 12544, 14080, 13568, - 344, 328, 376, 360, 280, 264, 312, 296, - 472, 456, 504, 488, 408, 392, 440, 424, - 88, 72, 120, 104, 24, 8, 56, 40, - 216, 200, 248, 232, 152, 136, 184, 168, - 1376, 1312, 1504, 1440, 1120, 1056, 1248, 1184, - 1888, 1824, 2016, 1952, 1632, 1568, 1760, 1696, - 688, 656, 752, 720, 560, 528, 624, 592, - 944, 912, 1008, 976, 816, 784, 880, 848, -}; - - -/*** Translations ************************************************************/ - - -static ssize_t cs4218_ct_law(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_s8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_u8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_s16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_u16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ctx_law(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ctx_s8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ctx_u8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ctx_s16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ctx_u16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_s16_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t cs4218_ct_u16_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); - - -/*** Low level stuff *********************************************************/ - -struct cs_sound_settings { - MACHINE mach; /* machine dependent things */ - SETTINGS hard; /* hardware settings */ - SETTINGS soft; /* software settings */ - SETTINGS dsp; /* /dev/dsp default settings */ - TRANS *trans_write; /* supported translations for playback */ - TRANS *trans_read; /* supported translations for record */ - int volume_left; /* volume (range is machine dependent) */ - int volume_right; - int bass; /* tone (range is machine dependent) */ - int treble; - int gain; - int minDev; /* minor device number currently open */ -}; - -static struct cs_sound_settings sound; - -static void *CS_Alloc(unsigned int size, gfp_t flags); -static void CS_Free(void *ptr, unsigned int size); -static int CS_IrqInit(void); -#ifdef MODULE -static void CS_IrqCleanup(void); -#endif /* MODULE */ -static void CS_Silence(void); -static void CS_Init(void); -static void CS_Play(void); -static void CS_Record(void); -static int CS_SetFormat(int format); -static int CS_SetVolume(int volume); -static void cs4218_tdm_tx_intr(void *devid); -static void cs4218_tdm_rx_intr(void *devid); -static void cs4218_intr(void *devid); -static int cs_get_volume(uint reg); -static int cs_volume_setter(int volume, int mute); -static int cs_get_gain(uint reg); -static int cs_set_gain(int gain); -static void cs_mksound(unsigned int hz, unsigned int ticks); -static void cs_nosound(unsigned long xx); - -/*** Mid level stuff *********************************************************/ - - -static void sound_silence(void); -static void sound_init(void); -static int sound_set_format(int format); -static int sound_set_speed(int speed); -static int sound_set_stereo(int stereo); -static int sound_set_volume(int volume); - -static ssize_t sound_copy_translate(const u_char *userPtr, - size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); -static ssize_t sound_copy_translate_read(const u_char *userPtr, - size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft); - - -/* - * /dev/mixer abstraction - */ - -struct sound_mixer { - int busy; - int modify_counter; -}; - -static struct sound_mixer mixer; - -static struct sound_queue sq; -static struct sound_queue read_sq; - -#define sq_block_address(i) (sq.buffers[i]) -#define SIGNAL_RECEIVED (signal_pending(current)) -#define NON_BLOCKING(open_mode) (open_mode & O_NONBLOCK) -#define ONE_SECOND HZ /* in jiffies (100ths of a second) */ -#define NO_TIME_LIMIT 0xffffffff - -/* - * /dev/sndstat - */ - -struct sound_state { - int busy; - char buf[512]; - int len, ptr; -}; - -static struct sound_state state; - -/*** Common stuff ********************************************************/ - -static long long sound_lseek(struct file *file, long long offset, int orig); - -/*** Config & Setup **********************************************************/ - -void dmasound_setup(char *str, int *ints); - -/*** Translations ************************************************************/ - - -/* ++TeSche: radically changed for new expanding purposes... - * - * These two routines now deal with copying/expanding/translating the samples - * from user space into our buffer at the right frequency. They take care about - * how much data there's actually to read, how much buffer space there is and - * to convert samples into the right frequency/encoding. They will only work on - * complete samples so it may happen they leave some bytes in the input stream - * if the user didn't write a multiple of the current sample size. They both - * return the number of bytes they've used from both streams so you may detect - * such a situation. Luckily all programs should be able to cope with that. - * - * I think I've optimized anything as far as one can do in plain C, all - * variables should fit in registers and the loops are really short. There's - * one loop for every possible situation. Writing a more generalized and thus - * parameterized loop would only produce slower code. Feel free to optimize - * this in assembler if you like. :) - * - * I think these routines belong here because they're not yet really hardware - * independent, especially the fact that the Falcon can play 16bit samples - * only in stereo is hardcoded in both of them! - * - * ++geert: split in even more functions (one per format) - */ - -static ssize_t cs4218_ct_law(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - short *table = sound.soft.format == AFMT_MU_LAW ? ulaw2dma16: alaw2dma16; - ssize_t count, used; - short *p = (short *) &frame[*frameUsed]; - int val, stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - used = count = min(userCount, frameLeft); - while (count > 0) { - u_char data; - if (get_user(data, userPtr++)) - return -EFAULT; - val = table[data]; - *p++ = val; - if (stereo) { - if (get_user(data, userPtr++)) - return -EFAULT; - val = table[data]; - } - *p++ = val; - count--; - } - *frameUsed += used * 4; - return stereo? used * 2: used; -} - - -static ssize_t cs4218_ct_s8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - short *p = (short *) &frame[*frameUsed]; - int val, stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - used = count = min(userCount, frameLeft); - while (count > 0) { - u_char data; - if (get_user(data, userPtr++)) - return -EFAULT; - val = data << 8; - *p++ = val; - if (stereo) { - if (get_user(data, userPtr++)) - return -EFAULT; - val = data << 8; - } - *p++ = val; - count--; - } - *frameUsed += used * 4; - return stereo? used * 2: used; -} - - -static ssize_t cs4218_ct_u8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - short *p = (short *) &frame[*frameUsed]; - int val, stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - used = count = min(userCount, frameLeft); - while (count > 0) { - u_char data; - if (get_user(data, userPtr++)) - return -EFAULT; - val = (data ^ 0x80) << 8; - *p++ = val; - if (stereo) { - if (get_user(data, userPtr++)) - return -EFAULT; - val = (data ^ 0x80) << 8; - } - *p++ = val; - count--; - } - *frameUsed += used * 4; - return stereo? used * 2: used; -} - - -/* This is the default format of the codec. Signed, 16-bit stereo - * generated by an application shouldn't have to be copied at all. - * We should just get the phsical address of the buffers and update - * the TDM BDs directly. - */ -static ssize_t cs4218_ct_s16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - int stereo = sound.soft.stereo; - short *fp = (short *) &frame[*frameUsed]; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - used = count = min(userCount, frameLeft); - if (!stereo) { - short *up = (short *) userPtr; - while (count > 0) { - short data; - if (get_user(data, up++)) - return -EFAULT; - *fp++ = data; - *fp++ = data; - count--; - } - } else { - if (copy_from_user(fp, userPtr, count * 4)) - return -EFAULT; - } - *frameUsed += used * 4; - return stereo? used * 4: used * 2; -} - -static ssize_t cs4218_ct_u16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - int mask = (sound.soft.format == AFMT_U16_LE? 0x0080: 0x8000); - int stereo = sound.soft.stereo; - short *fp = (short *) &frame[*frameUsed]; - short *up = (short *) userPtr; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - used = count = min(userCount, frameLeft); - while (count > 0) { - int data; - if (get_user(data, up++)) - return -EFAULT; - data ^= mask; - *fp++ = data; - if (stereo) { - if (get_user(data, up++)) - return -EFAULT; - data ^= mask; - } - *fp++ = data; - count--; - } - *frameUsed += used * 4; - return stereo? used * 4: used * 2; -} - - -static ssize_t cs4218_ctx_law(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - unsigned short *table = (unsigned short *) - (sound.soft.format == AFMT_MU_LAW ? ulaw2dma16: alaw2dma16); - unsigned int data = expand_data; - unsigned int *p = (unsigned int *) &frame[*frameUsed]; - int bal = expand_bal; - int hSpeed = sound.hard.speed, sSpeed = sound.soft.speed; - int utotal, ftotal; - int stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - ftotal = frameLeft; - utotal = userCount; - while (frameLeft) { - u_char c; - if (bal < 0) { - if (userCount == 0) - break; - if (get_user(c, userPtr++)) - return -EFAULT; - data = table[c]; - if (stereo) { - if (get_user(c, userPtr++)) - return -EFAULT; - data = (data << 16) + table[c]; - } else - data = (data << 16) + data; - userCount--; - bal += hSpeed; - } - *p++ = data; - frameLeft--; - bal -= sSpeed; - } - expand_bal = bal; - expand_data = data; - *frameUsed += (ftotal - frameLeft) * 4; - utotal -= userCount; - return stereo? utotal * 2: utotal; -} - - -static ssize_t cs4218_ctx_s8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - unsigned int *p = (unsigned int *) &frame[*frameUsed]; - unsigned int data = expand_data; - int bal = expand_bal; - int hSpeed = sound.hard.speed, sSpeed = sound.soft.speed; - int stereo = sound.soft.stereo; - int utotal, ftotal; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - ftotal = frameLeft; - utotal = userCount; - while (frameLeft) { - u_char c; - if (bal < 0) { - if (userCount == 0) - break; - if (get_user(c, userPtr++)) - return -EFAULT; - data = c << 8; - if (stereo) { - if (get_user(c, userPtr++)) - return -EFAULT; - data = (data << 16) + (c << 8); - } else - data = (data << 16) + data; - userCount--; - bal += hSpeed; - } - *p++ = data; - frameLeft--; - bal -= sSpeed; - } - expand_bal = bal; - expand_data = data; - *frameUsed += (ftotal - frameLeft) * 4; - utotal -= userCount; - return stereo? utotal * 2: utotal; -} - - -static ssize_t cs4218_ctx_u8(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - unsigned int *p = (unsigned int *) &frame[*frameUsed]; - unsigned int data = expand_data; - int bal = expand_bal; - int hSpeed = sound.hard.speed, sSpeed = sound.soft.speed; - int stereo = sound.soft.stereo; - int utotal, ftotal; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - ftotal = frameLeft; - utotal = userCount; - while (frameLeft) { - u_char c; - if (bal < 0) { - if (userCount == 0) - break; - if (get_user(c, userPtr++)) - return -EFAULT; - data = (c ^ 0x80) << 8; - if (stereo) { - if (get_user(c, userPtr++)) - return -EFAULT; - data = (data << 16) + ((c ^ 0x80) << 8); - } else - data = (data << 16) + data; - userCount--; - bal += hSpeed; - } - *p++ = data; - frameLeft--; - bal -= sSpeed; - } - expand_bal = bal; - expand_data = data; - *frameUsed += (ftotal - frameLeft) * 4; - utotal -= userCount; - return stereo? utotal * 2: utotal; -} - - -static ssize_t cs4218_ctx_s16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - unsigned int *p = (unsigned int *) &frame[*frameUsed]; - unsigned int data = expand_data; - unsigned short *up = (unsigned short *) userPtr; - int bal = expand_bal; - int hSpeed = sound.hard.speed, sSpeed = sound.soft.speed; - int stereo = sound.soft.stereo; - int utotal, ftotal; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - ftotal = frameLeft; - utotal = userCount; - while (frameLeft) { - unsigned short c; - if (bal < 0) { - if (userCount == 0) - break; - if (get_user(data, up++)) - return -EFAULT; - if (stereo) { - if (get_user(c, up++)) - return -EFAULT; - data = (data << 16) + c; - } else - data = (data << 16) + data; - userCount--; - bal += hSpeed; - } - *p++ = data; - frameLeft--; - bal -= sSpeed; - } - expand_bal = bal; - expand_data = data; - *frameUsed += (ftotal - frameLeft) * 4; - utotal -= userCount; - return stereo? utotal * 4: utotal * 2; -} - - -static ssize_t cs4218_ctx_u16(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - int mask = (sound.soft.format == AFMT_U16_LE? 0x0080: 0x8000); - unsigned int *p = (unsigned int *) &frame[*frameUsed]; - unsigned int data = expand_data; - unsigned short *up = (unsigned short *) userPtr; - int bal = expand_bal; - int hSpeed = sound.hard.speed, sSpeed = sound.soft.speed; - int stereo = sound.soft.stereo; - int utotal, ftotal; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - ftotal = frameLeft; - utotal = userCount; - while (frameLeft) { - unsigned short c; - if (bal < 0) { - if (userCount == 0) - break; - if (get_user(data, up++)) - return -EFAULT; - data ^= mask; - if (stereo) { - if (get_user(c, up++)) - return -EFAULT; - data = (data << 16) + (c ^ mask); - } else - data = (data << 16) + data; - userCount--; - bal += hSpeed; - } - *p++ = data; - frameLeft--; - bal -= sSpeed; - } - expand_bal = bal; - expand_data = data; - *frameUsed += (ftotal - frameLeft) * 4; - utotal -= userCount; - return stereo? utotal * 4: utotal * 2; -} - -static ssize_t cs4218_ct_s8_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - short *p = (short *) &frame[*frameUsed]; - int val, stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - used = count = min(userCount, frameLeft); - while (count > 0) { - u_char data; - - val = *p++; - data = val >> 8; - if (put_user(data, (u_char *)userPtr++)) - return -EFAULT; - if (stereo) { - val = *p; - data = val >> 8; - if (put_user(data, (u_char *)userPtr++)) - return -EFAULT; - } - p++; - count--; - } - *frameUsed += used * 4; - return stereo? used * 2: used; -} - - -static ssize_t cs4218_ct_u8_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - short *p = (short *) &frame[*frameUsed]; - int val, stereo = sound.soft.stereo; - - frameLeft >>= 2; - if (stereo) - userCount >>= 1; - used = count = min(userCount, frameLeft); - while (count > 0) { - u_char data; - - val = *p++; - data = (val >> 8) ^ 0x80; - if (put_user(data, (u_char *)userPtr++)) - return -EFAULT; - if (stereo) { - val = *p; - data = (val >> 8) ^ 0x80; - if (put_user(data, (u_char *)userPtr++)) - return -EFAULT; - } - p++; - count--; - } - *frameUsed += used * 4; - return stereo? used * 2: used; -} - - -static ssize_t cs4218_ct_s16_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - int stereo = sound.soft.stereo; - short *fp = (short *) &frame[*frameUsed]; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - used = count = min(userCount, frameLeft); - if (!stereo) { - short *up = (short *) userPtr; - while (count > 0) { - short data; - data = *fp; - if (put_user(data, up++)) - return -EFAULT; - fp+=2; - count--; - } - } else { - if (copy_to_user((u_char *)userPtr, fp, count * 4)) - return -EFAULT; - } - *frameUsed += used * 4; - return stereo? used * 4: used * 2; -} - -static ssize_t cs4218_ct_u16_read(const u_char *userPtr, size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t count, used; - int mask = (sound.soft.format == AFMT_U16_LE? 0x0080: 0x8000); - int stereo = sound.soft.stereo; - short *fp = (short *) &frame[*frameUsed]; - short *up = (short *) userPtr; - - frameLeft >>= 2; - userCount >>= (stereo? 2: 1); - used = count = min(userCount, frameLeft); - while (count > 0) { - int data; - - data = *fp++; - data ^= mask; - if (put_user(data, up++)) - return -EFAULT; - if (stereo) { - data = *fp; - data ^= mask; - if (put_user(data, up++)) - return -EFAULT; - } - fp++; - count--; - } - *frameUsed += used * 4; - return stereo? used * 4: used * 2; -} - -static TRANS transCSNormal = { - cs4218_ct_law, cs4218_ct_law, cs4218_ct_s8, cs4218_ct_u8, - cs4218_ct_s16, cs4218_ct_u16, cs4218_ct_s16, cs4218_ct_u16 -}; - -static TRANS transCSExpand = { - cs4218_ctx_law, cs4218_ctx_law, cs4218_ctx_s8, cs4218_ctx_u8, - cs4218_ctx_s16, cs4218_ctx_u16, cs4218_ctx_s16, cs4218_ctx_u16 -}; - -static TRANS transCSNormalRead = { - NULL, NULL, cs4218_ct_s8_read, cs4218_ct_u8_read, - cs4218_ct_s16_read, cs4218_ct_u16_read, - cs4218_ct_s16_read, cs4218_ct_u16_read -}; - -/*** Low level stuff *********************************************************/ - -static void *CS_Alloc(unsigned int size, gfp_t flags) -{ - int order; - - size >>= 13; - for (order=0; order < 5; order++) { - if (size == 0) - break; - size >>= 1; - } - return (void *)__get_free_pages(flags, order); -} - -static void CS_Free(void *ptr, unsigned int size) -{ - int order; - - size >>= 13; - for (order=0; order < 5; order++) { - if (size == 0) - break; - size >>= 1; - } - free_pages((ulong)ptr, order); -} - -static int __init CS_IrqInit(void) -{ - cpm_install_handler(CPMVEC_SMC2, cs4218_intr, NULL); - return 1; -} - -#ifdef MODULE -static void CS_IrqCleanup(void) -{ - volatile smc_t *sp; - volatile cpm8xx_t *cp; - - /* First disable transmitter and receiver. - */ - sp = &cpmp->cp_smc[1]; - sp->smc_smcmr &= ~(SMCMR_REN | SMCMR_TEN); - - /* And now shut down the SMC. - */ - cp = cpmp; /* Get pointer to Communication Processor */ - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, - CPM_CR_STOP_TX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); - - /* Release the interrupt handler. - */ - cpm_free_handler(CPMVEC_SMC2); - - kfree(beep_buf); - kd_mksound = orig_mksound; -} -#endif /* MODULE */ - -static void CS_Silence(void) -{ - volatile smc_t *sp; - - /* Disable transmitter. - */ - sp = &cpmp->cp_smc[1]; - sp->smc_smcmr &= ~SMCMR_TEN; -} - -/* Frequencies depend upon external oscillator. There are two - * choices, 12.288 and 11.2896 MHz. The RPCG audio supports both through - * and external control register selection bit. - */ -static int cs4218_freqs[] = { - /* 12.288 11.2896 */ - 48000, 44100, - 32000, 29400, - 24000, 22050, - 19200, 17640, - 16000, 14700, - 12000, 11025, - 9600, 8820, - 8000, 7350 -}; - -static void CS_Init(void) -{ - int i, tolerance; - - switch (sound.soft.format) { - case AFMT_S16_LE: - case AFMT_U16_LE: - sound.hard.format = AFMT_S16_LE; - break; - default: - sound.hard.format = AFMT_S16_BE; - break; - } - sound.hard.stereo = 1; - sound.hard.size = 16; - - /* - * 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. - */ - i = (sizeof(cs4218_freqs) / sizeof(int)); - do { - tolerance = catchRadius * cs4218_freqs[--i] / 100; - } while (sound.soft.speed > cs4218_freqs[i] + tolerance && i > 0); - if (sound.soft.speed >= cs4218_freqs[i] - tolerance) - sound.trans_write = &transCSNormal; - else - sound.trans_write = &transCSExpand; - sound.trans_read = &transCSNormalRead; - sound.hard.speed = cs4218_freqs[i]; - cs4218_rate_index = i; - - /* The CS4218 has seven selectable clock dividers for the sample - * clock. The HIOX then provides one of two external rates. - * An even numbered frequency table index uses the high external - * clock rate. - */ - *(uint *)HIOX_CSR4_ADDR &= ~(HIOX_CSR4_AUDCLKHI | HIOX_CSR4_AUDCLKSEL); - if ((i & 1) == 0) - *(uint *)HIOX_CSR4_ADDR |= HIOX_CSR4_AUDCLKHI; - i >>= 1; - *(uint *)HIOX_CSR4_ADDR |= (i & HIOX_CSR4_AUDCLKSEL); - - expand_bal = -sound.soft.speed; -} - -static int CS_SetFormat(int format) -{ - int size; - - switch (format) { - case AFMT_QUERY: - return sound.soft.format; - case AFMT_MU_LAW: - case AFMT_A_LAW: - case AFMT_U8: - case AFMT_S8: - size = 8; - break; - case AFMT_S16_BE: - case AFMT_U16_BE: - case AFMT_S16_LE: - case AFMT_U16_LE: - size = 16; - break; - default: /* :-) */ - printk(KERN_ERR "dmasound: unknown format 0x%x, using AFMT_U8\n", - format); - size = 8; - format = AFMT_U8; - } - - sound.soft.format = format; - sound.soft.size = size; - if (sound.minDev == SND_DEV_DSP) { - sound.dsp.format = format; - sound.dsp.size = size; - } - - CS_Init(); - - return format; -} - -/* Volume is the amount of attenuation we tell the codec to impose - * on the outputs. There are 32 levels, with 0 the "loudest". - */ -#define CS_VOLUME_TO_MASK(x) (31 - ((((x) - 1) * 31) / 99)) -#define CS_MASK_TO_VOLUME(y) (100 - ((y) * 99 / 31)) - -static int cs_get_volume(uint reg) -{ - int volume; - - volume = CS_MASK_TO_VOLUME(CS_LATTEN_GET(reg)); - volume |= CS_MASK_TO_VOLUME(CS_RATTEN_GET(reg)) << 8; - return volume; -} - -static int cs_volume_setter(int volume, int mute) -{ - uint tempctl; - - if (mute && volume == 0) { - tempctl = cs4218_control | CS_MUTE; - } else { - tempctl = cs4218_control & ~CS_MUTE; - tempctl = tempctl & ~(CS_LATTEN | CS_RATTEN); - tempctl |= CS_LATTEN_SET(CS_VOLUME_TO_MASK(volume & 0xff)); - tempctl |= CS_RATTEN_SET(CS_VOLUME_TO_MASK((volume >> 8) & 0xff)); - volume = cs_get_volume(tempctl); - } - if (tempctl != cs4218_control) { - cs4218_ctl_write(tempctl); - } - return volume; -} - - -/* Gain has 16 steps from 0 to 15. These are in 1.5dB increments from - * 0 (no gain) to 22.5 dB. - */ -#define CS_RECLEVEL_TO_GAIN(v) \ - ((v) < 0 ? 0 : (v) > 100 ? 15 : (v) * 3 / 20) -#define CS_GAIN_TO_RECLEVEL(v) (((v) * 20 + 2) / 3) - -static int cs_get_gain(uint reg) -{ - int gain; - - gain = CS_GAIN_TO_RECLEVEL(CS_LGAIN_GET(reg)); - gain |= CS_GAIN_TO_RECLEVEL(CS_RGAIN_GET(reg)) << 8; - return gain; -} - -static int cs_set_gain(int gain) -{ - uint tempctl; - - tempctl = cs4218_control & ~(CS_LGAIN | CS_RGAIN); - tempctl |= CS_LGAIN_SET(CS_RECLEVEL_TO_GAIN(gain & 0xff)); - tempctl |= CS_RGAIN_SET(CS_RECLEVEL_TO_GAIN((gain >> 8) & 0xff)); - gain = cs_get_gain(tempctl); - - if (tempctl != cs4218_control) { - cs4218_ctl_write(tempctl); - } - return gain; -} - -static int CS_SetVolume(int volume) -{ - return cs_volume_setter(volume, CS_MUTE); -} - -static void CS_Play(void) -{ - int i, count; - unsigned long flags; - volatile cbd_t *bdp; - volatile cpm8xx_t *cp; - - /* Protect buffer */ - spin_lock_irqsave(&cs4218_lock, flags); -#if 0 - if (awacs_beep_state) { - /* sound takes precedence over beeps */ - out_le32(&awacs_txdma->control, (RUN|PAUSE|FLUSH|WAKE) << 16); - out_le32(&awacs->control, - (in_le32(&awacs->control) & ~0x1f00) - | (awacs_rate_index << 8)); - out_le32(&awacs->byteswap, sound.hard.format != AFMT_S16_BE); - out_le32(&awacs_txdma->cmdptr, virt_to_bus(&(awacs_tx_cmds[(sq.front+sq.active) % sq.max_count]))); - - beep_playing = 0; - awacs_beep_state = 0; - } -#endif - i = sq.front + sq.active; - if (i >= sq.max_count) - i -= sq.max_count; - while (sq.active < 2 && sq.active < sq.count) { - count = (sq.count == sq.active + 1)?sq.rear_size:sq.block_size; - if (count < sq.block_size && !sq.syncing) - /* last block not yet filled, and we're not syncing. */ - break; - - bdp = &tx_base[i]; - bdp->cbd_datlen = count; - - flush_dcache_range((ulong)sound_buffers[i], - (ulong)(sound_buffers[i] + count)); - - if (++i >= sq.max_count) - i = 0; - - if (sq.active == 0) { - /* The SMC does not load its fifo until the first - * TDM frame pulse, so the transmit data gets shifted - * by one word. To compensate for this, we incorrectly - * transmit the first buffer and shorten it by one - * word. Subsequent buffers are then aligned properly. - */ - bdp->cbd_datlen -= 2; - - /* Start up the SMC Transmitter. - */ - cp = cpmp; - cp->cp_smc[1].smc_smcmr |= SMCMR_TEN; - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, - CPM_CR_RESTART_TX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); - } - - /* Buffer is ready now. - */ - bdp->cbd_sc |= BD_SC_READY; - - ++sq.active; - } - spin_unlock_irqrestore(&cs4218_lock, flags); -} - - -static void CS_Record(void) -{ - unsigned long flags; - volatile smc_t *sp; - - if (read_sq.active) - return; - - /* Protect buffer */ - spin_lock_irqsave(&cs4218_lock, flags); - - /* This is all we have to do......Just start it up. - */ - sp = &cpmp->cp_smc[1]; - sp->smc_smcmr |= SMCMR_REN; - - read_sq.active = 1; - - spin_unlock_irqrestore(&cs4218_lock, flags); -} - - -static void -cs4218_tdm_tx_intr(void *devid) -{ - int i = sq.front; - volatile cbd_t *bdp; - - while (sq.active > 0) { - bdp = &tx_base[i]; - if (bdp->cbd_sc & BD_SC_READY) - break; /* this frame is still going */ - --sq.count; - --sq.active; - if (++i >= sq.max_count) - i = 0; - } - if (i != sq.front) - WAKE_UP(sq.action_queue); - sq.front = i; - - CS_Play(); - - if (!sq.active) - WAKE_UP(sq.sync_queue); -} - - -static void -cs4218_tdm_rx_intr(void *devid) -{ - - /* We want to blow 'em off when shutting down. - */ - if (read_sq.active == 0) - return; - - /* 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 ((rx_base[read_sq.rear].cbd_sc & BD_SC_EMPTY) == 0) { - - /* Invalidate the data cache range for this buffer. - */ - invalidate_dcache_range( - (uint)(sound_read_buffers[read_sq.rear]), - (uint)(sound_read_buffers[read_sq.rear] + read_sq.block_size)); - - /* Make buffer available again and move on. - */ - rx_base[read_sq.rear].cbd_sc |= BD_SC_EMPTY; - 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++; - if (read_sq.front >= read_sq.max_active) - read_sq.front = 0; - } - } - - WAKE_UP(read_sq.action_queue); -} - -static void cs_nosound(unsigned long xx) -{ - unsigned long flags; - - /* not sure if this is needed, since hardware command is #if 0'd */ - spin_lock_irqsave(&cs4218_lock, flags); - if (beep_playing) { -#if 0 - st_le16(&beep_dbdma_cmd->command, DBDMA_STOP); -#endif - beep_playing = 0; - } - spin_unlock_irqrestore(&cs4218_lock, flags); -} - -static DEFINE_TIMER(beep_timer, cs_nosound, 0, 0); - -static void cs_mksound(unsigned int hz, unsigned int ticks) -{ - unsigned long flags; - int beep_speed = BEEP_SPEED; - int srate = cs4218_freqs[beep_speed]; - 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 (hz <= srate / BEEP_BUFLEN || hz > srate / 2) { -#if 1 - /* this is a hack for broken X server code */ - hz = 750; - ticks = 12; -#else - /* cancel beep currently playing */ - awacs_nosound(0); - return; -#endif - } - /* lock while modifying beep_timer */ - spin_lock_irqsave(&cs4218_lock, flags); - del_timer(&beep_timer); - if (ticks) { - beep_timer.expires = jiffies + ticks; - add_timer(&beep_timer); - } - if (beep_playing || sq.active || beep_buf == NULL) { - spin_unlock_irqrestore(&cs4218_lock, flags); - return; /* too hard, sorry :-( */ - } - beep_playing = 1; -#if 0 - st_le16(&beep_dbdma_cmd->command, OUTPUT_MORE + BR_ALWAYS); -#endif - spin_unlock_irqrestore(&cs4218_lock, flags); - - if (hz == beep_hz_cache && beep_volume == 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_volume; - j = (j + f) & 0xffff; - } - beep_hz_cache = hz; - beep_volume_cache = beep_volume; - beep_nsamples_cache = nsamples; - } - -#if 0 - 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(&cs4218_lock, flags); - if (beep_playing) { /* i.e. haven't been terminated already */ - out_le32(&awacs_txdma->control, (RUN|WAKE|FLUSH|PAUSE) << 16); - out_le32(&awacs->control, - (in_le32(&awacs->control) & ~0x1f00) - | (beep_speed << 8)); - out_le32(&awacs->byteswap, 0); - out_le32(&awacs_txdma->cmdptr, virt_to_bus(beep_dbdma_cmd)); - out_le32(&awacs_txdma->control, RUN | (RUN << 16)); - } - spin_unlock_irqrestore(&cs4218_lock, flags); -#endif -} - -static MACHINE mach_cs4218 = { - .owner = THIS_MODULE, - .name = "HIOX CS4218", - .name2 = "Built-in Sound", - .dma_alloc = CS_Alloc, - .dma_free = CS_Free, - .irqinit = CS_IrqInit, -#ifdef MODULE - .irqcleanup = CS_IrqCleanup, -#endif /* MODULE */ - .init = CS_Init, - .silence = CS_Silence, - .setFormat = CS_SetFormat, - .setVolume = CS_SetVolume, - .play = CS_Play -}; - - -/*** Mid level stuff *********************************************************/ - - -static void sound_silence(void) -{ - /* update hardware settings one more */ - (*sound.mach.init)(); - - (*sound.mach.silence)(); -} - - -static void sound_init(void) -{ - (*sound.mach.init)(); -} - - -static int sound_set_format(int format) -{ - return(*sound.mach.setFormat)(format); -} - - -static int sound_set_speed(int speed) -{ - if (speed < 0) - return(sound.soft.speed); - - sound.soft.speed = speed; - (*sound.mach.init)(); - if (sound.minDev == SND_DEV_DSP) - sound.dsp.speed = sound.soft.speed; - - return(sound.soft.speed); -} - - -static int sound_set_stereo(int stereo) -{ - if (stereo < 0) - return(sound.soft.stereo); - - stereo = !!stereo; /* should be 0 or 1 now */ - - sound.soft.stereo = stereo; - if (sound.minDev == SND_DEV_DSP) - sound.dsp.stereo = stereo; - (*sound.mach.init)(); - - return(stereo); -} - - -static int sound_set_volume(int volume) -{ - return(*sound.mach.setVolume)(volume); -} - -static ssize_t sound_copy_translate(const u_char *userPtr, - size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t (*ct_func)(const u_char *, size_t, u_char *, ssize_t *, ssize_t) = NULL; - - switch (sound.soft.format) { - case AFMT_MU_LAW: - ct_func = sound.trans_write->ct_ulaw; - break; - case AFMT_A_LAW: - ct_func = sound.trans_write->ct_alaw; - break; - case AFMT_S8: - ct_func = sound.trans_write->ct_s8; - break; - case AFMT_U8: - ct_func = sound.trans_write->ct_u8; - break; - case AFMT_S16_BE: - ct_func = sound.trans_write->ct_s16be; - break; - case AFMT_U16_BE: - ct_func = sound.trans_write->ct_u16be; - break; - case AFMT_S16_LE: - ct_func = sound.trans_write->ct_s16le; - break; - case AFMT_U16_LE: - ct_func = sound.trans_write->ct_u16le; - break; - } - if (ct_func) - return ct_func(userPtr, userCount, frame, frameUsed, frameLeft); - else - return 0; -} - -static ssize_t sound_copy_translate_read(const u_char *userPtr, - size_t userCount, - u_char frame[], ssize_t *frameUsed, - ssize_t frameLeft) -{ - ssize_t (*ct_func)(const u_char *, size_t, u_char *, ssize_t *, ssize_t) = NULL; - - switch (sound.soft.format) { - case AFMT_MU_LAW: - ct_func = sound.trans_read->ct_ulaw; - break; - case AFMT_A_LAW: - ct_func = sound.trans_read->ct_alaw; - break; - case AFMT_S8: - ct_func = sound.trans_read->ct_s8; - break; - case AFMT_U8: - ct_func = sound.trans_read->ct_u8; - break; - case AFMT_S16_BE: - ct_func = sound.trans_read->ct_s16be; - break; - case AFMT_U16_BE: - ct_func = sound.trans_read->ct_u16be; - break; - case AFMT_S16_LE: - ct_func = sound.trans_read->ct_s16le; - break; - case AFMT_U16_LE: - ct_func = sound.trans_read->ct_u16le; - break; - } - if (ct_func) - return ct_func(userPtr, userCount, frame, frameUsed, frameLeft); - else - return 0; -} - - -/* - * /dev/mixer abstraction - */ - -static int mixer_open(struct inode *inode, struct file *file) -{ - mixer.busy = 1; - return nonseekable_open(inode, file); -} - - -static int mixer_release(struct inode *inode, struct file *file) -{ - mixer.busy = 0; - return 0; -} - - -static int mixer_ioctl(struct inode *inode, struct file *file, u_int cmd, - u_long arg) -{ - int data; - uint tmpcs; - - if (_SIOC_DIR(cmd) & _SIOC_WRITE) - mixer.modify_counter++; - if (cmd == OSS_GETVERSION) - return IOCTL_OUT(arg, SOUND_VERSION); - switch (cmd) { - case SOUND_MIXER_INFO: { - mixer_info info; - strlcpy(info.id, "CS4218_TDM", sizeof(info.id)); - strlcpy(info.name, "CS4218_TDM", sizeof(info.name)); - info.name[sizeof(info.name)-1] = 0; - info.modify_counter = mixer.modify_counter; - if (copy_to_user((int *)arg, &info, sizeof(info))) - return -EFAULT; - return 0; - } - case SOUND_MIXER_READ_DEVMASK: - data = SOUND_MASK_VOLUME | SOUND_MASK_LINE - | SOUND_MASK_MIC | SOUND_MASK_RECLEV - | SOUND_MASK_ALTPCM; - return IOCTL_OUT(arg, data); - case SOUND_MIXER_READ_RECMASK: - data = SOUND_MASK_LINE | SOUND_MASK_MIC; - return IOCTL_OUT(arg, data); - case SOUND_MIXER_READ_RECSRC: - if (cs4218_control & CS_DO1) - data = SOUND_MASK_LINE; - else - data = SOUND_MASK_MIC; - return IOCTL_OUT(arg, data); - case SOUND_MIXER_WRITE_RECSRC: - IOCTL_IN(arg, data); - data &= (SOUND_MASK_LINE | SOUND_MASK_MIC); - if (data & SOUND_MASK_LINE) - tmpcs = cs4218_control | - (CS_ISL | CS_ISR | CS_DO1); - if (data & SOUND_MASK_MIC) - tmpcs = cs4218_control & - ~(CS_ISL | CS_ISR | CS_DO1); - if (tmpcs != cs4218_control) - cs4218_ctl_write(tmpcs); - return IOCTL_OUT(arg, data); - case SOUND_MIXER_READ_STEREODEVS: - data = SOUND_MASK_VOLUME | SOUND_MASK_RECLEV; - return IOCTL_OUT(arg, data); - case SOUND_MIXER_READ_CAPS: - return IOCTL_OUT(arg, 0); - case SOUND_MIXER_READ_VOLUME: - data = (cs4218_control & CS_MUTE)? 0: - cs_get_volume(cs4218_control); - return IOCTL_OUT(arg, data); - case SOUND_MIXER_WRITE_VOLUME: - IOCTL_IN(arg, data); - return IOCTL_OUT(arg, sound_set_volume(data)); - case SOUND_MIXER_WRITE_ALTPCM: /* really bell volume */ - IOCTL_IN(arg, data); - beep_volume = data & 0xff; - /* fall through */ - case SOUND_MIXER_READ_ALTPCM: - return IOCTL_OUT(arg, beep_volume); - case SOUND_MIXER_WRITE_RECLEV: - IOCTL_IN(arg, data); - data = cs_set_gain(data); - return IOCTL_OUT(arg, data); - case SOUND_MIXER_READ_RECLEV: - data = cs_get_gain(cs4218_control); - return IOCTL_OUT(arg, data); - } - - return -EINVAL; -} - - -static const struct file_operations mixer_fops = -{ - .owner = THIS_MODULE, - .llseek = sound_lseek, - .ioctl = mixer_ioctl, - .open = mixer_open, - .release = mixer_release, -}; - - -static void __init mixer_init(void) -{ - mixer_unit = register_sound_mixer(&mixer_fops, -1); - if (mixer_unit < 0) - return; - - mixer.busy = 0; - sound.treble = 0; - sound.bass = 0; - - /* Set Line input, no gain, no attenuation. - */ - cs4218_control = CS_ISL | CS_ISR | CS_DO1; - cs4218_control |= CS_LGAIN_SET(0) | CS_RGAIN_SET(0); - cs4218_control |= CS_LATTEN_SET(0) | CS_RATTEN_SET(0); - cs4218_ctl_write(cs4218_control); -} - - -/* - * Sound queue stuff, the heart of the driver - */ - - -static int sq_allocate_buffers(void) -{ - int i; - - if (sound_buffers) - return 0; - sound_buffers = kmalloc (numBufs * sizeof(char *), GFP_KERNEL); - if (!sound_buffers) - return -ENOMEM; - for (i = 0; i < numBufs; i++) { - sound_buffers[i] = sound.mach.dma_alloc (bufSize << 10, GFP_KERNEL); - if (!sound_buffers[i]) { - while (i--) - sound.mach.dma_free (sound_buffers[i], bufSize << 10); - kfree (sound_buffers); - sound_buffers = 0; - return -ENOMEM; - } - } - return 0; -} - - -static void sq_release_buffers(void) -{ - int i; - - if (sound_buffers) { - for (i = 0; i < numBufs; i++) - sound.mach.dma_free (sound_buffers[i], bufSize << 10); - kfree (sound_buffers); - sound_buffers = 0; - } -} - - -static int sq_allocate_read_buffers(void) -{ - int i; - - if (sound_read_buffers) - return 0; - sound_read_buffers = kmalloc(numReadBufs * sizeof(char *), GFP_KERNEL); - if (!sound_read_buffers) - return -ENOMEM; - for (i = 0; i < numBufs; i++) { - sound_read_buffers[i] = sound.mach.dma_alloc (readbufSize<<10, - GFP_KERNEL); - if (!sound_read_buffers[i]) { - while (i--) - sound.mach.dma_free (sound_read_buffers[i], - readbufSize << 10); - kfree (sound_read_buffers); - sound_read_buffers = 0; - return -ENOMEM; - } - } - return 0; -} - -static void sq_release_read_buffers(void) -{ - int i; - - if (sound_read_buffers) { - cpmp->cp_smc[1].smc_smcmr &= ~SMCMR_REN; - for (i = 0; i < numReadBufs; i++) - sound.mach.dma_free (sound_read_buffers[i], - bufSize << 10); - kfree (sound_read_buffers); - sound_read_buffers = 0; - } -} - - -static void sq_setup(int numBufs, int bufSize, char **write_buffers) -{ - int i; - volatile cbd_t *bdp; - volatile cpm8xx_t *cp; - volatile smc_t *sp; - - /* Make sure the SMC transmit is shut down. - */ - cp = cpmp; - sp = &cpmp->cp_smc[1]; - sp->smc_smcmr &= ~SMCMR_TEN; - - sq.max_count = numBufs; - sq.max_active = numBufs; - sq.block_size = bufSize; - sq.buffers = write_buffers; - - sq.front = sq.count = 0; - sq.rear = -1; - sq.syncing = 0; - sq.active = 0; - - bdp = tx_base; - for (i=0; i<numBufs; i++) { - bdp->cbd_bufaddr = virt_to_bus(write_buffers[i]); - bdp++; - } - - /* This causes the SMC to sync up with the first buffer again. - */ - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, CPM_CR_INIT_TX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); -} - -static void read_sq_setup(int numBufs, int bufSize, char **read_buffers) -{ - int i; - volatile cbd_t *bdp; - volatile cpm8xx_t *cp; - volatile smc_t *sp; - - /* Make sure the SMC receive is shut down. - */ - cp = cpmp; - sp = &cpmp->cp_smc[1]; - sp->smc_smcmr &= ~SMCMR_REN; - - read_sq.max_count = numBufs; - read_sq.max_active = numBufs; - read_sq.block_size = bufSize; - read_sq.buffers = read_buffers; - - read_sq.front = read_sq.count = 0; - read_sq.rear = 0; - read_sq.rear_size = 0; - read_sq.syncing = 0; - read_sq.active = 0; - - bdp = rx_base; - for (i=0; i<numReadBufs; i++) { - bdp->cbd_bufaddr = virt_to_bus(read_buffers[i]); - bdp->cbd_datlen = read_sq.block_size; - bdp++; - } - - /* This causes the SMC to sync up with the first buffer again. - */ - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, CPM_CR_INIT_RX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); -} - - -static void sq_play(void) -{ - (*sound.mach.play)(); -} - - -/* ++TeSche: radically changed this one too */ - -static ssize_t sq_write(struct file *file, const char *src, size_t uLeft, - loff_t *ppos) -{ - ssize_t uWritten = 0; - u_char *dest; - ssize_t uUsed, bUsed, bLeft; - - /* ++TeSche: Is something like this necessary? - * Hey, that's an honest question! Or does any other part of the - * filesystem already checks this situation? I really don't know. - */ - if (uLeft == 0) - return 0; - - /* The interrupt doesn't start to play the last, incomplete frame. - * Thus we can append to it without disabling the interrupts! (Note - * also that sq.rear isn't affected by the interrupt.) - */ - - if (sq.count > 0 && (bLeft = sq.block_size-sq.rear_size) > 0) { - dest = sq_block_address(sq.rear); - bUsed = sq.rear_size; - uUsed = sound_copy_translate(src, uLeft, dest, &bUsed, bLeft); - if (uUsed <= 0) - return uUsed; - src += uUsed; - uWritten += uUsed; - uLeft -= uUsed; - sq.rear_size = bUsed; - } - - do { - while (sq.count == sq.max_active) { - sq_play(); - if (NON_BLOCKING(sq.open_mode)) - return uWritten > 0 ? uWritten : -EAGAIN; - SLEEP(sq.action_queue); - if (SIGNAL_RECEIVED) - return uWritten > 0 ? uWritten : -EINTR; - } - - /* Here, we can avoid disabling the interrupt by first - * copying and translating the data, and then updating - * the sq variables. Until this is done, the interrupt - * won't see the new frame and we can work on it - * undisturbed. - */ - - dest = sq_block_address((sq.rear+1) % sq.max_count); - bUsed = 0; - bLeft = sq.block_size; - uUsed = sound_copy_translate(src, uLeft, dest, &bUsed, bLeft); - if (uUsed <= 0) - break; - src += uUsed; - uWritten += uUsed; - uLeft -= uUsed; - if (bUsed) { - sq.rear = (sq.rear+1) % sq.max_count; - sq.rear_size = bUsed; - sq.count++; - } - } while (bUsed); /* uUsed may have been 0 */ - - sq_play(); - - return uUsed < 0? uUsed: uWritten; -} - - -/***********/ - -/* Here is how the values are used for reading. - * The value 'active' simply indicates the DMA is running. This is - * done so the driver semantics are DMA starts when the first read is - * posted. The value 'front' indicates the buffer we should next - * send to the user. The value 'rear' indicates the buffer the DMA is - * currently filling. When 'front' == 'rear' the buffer "ring" is - * empty (we always have an empty available). The 'rear_size' is used - * to track partial offsets into the current buffer. Right now, I just keep - * The DMA running. If the reader can't keep up, the interrupt tosses - * the oldest buffer. We could also shut down the DMA in this case. - */ -static ssize_t sq_read(struct file *file, char *dst, size_t uLeft, - loff_t *ppos) -{ - - ssize_t uRead, bLeft, bUsed, uUsed; - - if (uLeft == 0) - return 0; - - if (!read_sq.active) - CS_Record(); /* Kick off the record process. */ - - uRead = 0; - - /* Move what the user requests, depending upon other options. - */ - while (uLeft > 0) { - - /* When front == rear, the DMA is not done yet. - */ - while (read_sq.front == read_sq.rear) { - if (NON_BLOCKING(read_sq.open_mode)) { - return uRead > 0 ? uRead : -EAGAIN; - } - SLEEP(read_sq.action_queue); - if (SIGNAL_RECEIVED) - return uRead > 0 ? uRead : -EINTR; - } - - /* The amount we move is either what is left in the - * current buffer or what the user wants. - */ - bLeft = read_sq.block_size - read_sq.rear_size; - bUsed = read_sq.rear_size; - uUsed = sound_copy_translate_read(dst, uLeft, - read_sq.buffers[read_sq.front], &bUsed, bLeft); - if (uUsed <= 0) - return uUsed; - dst += uUsed; - uRead += uUsed; - uLeft -= uUsed; - read_sq.rear_size += bUsed; - if (read_sq.rear_size >= read_sq.block_size) { - read_sq.rear_size = 0; - read_sq.front++; - if (read_sq.front >= read_sq.max_active) - read_sq.front = 0; - } - } - return uRead; -} - -static int sq_open(struct inode *inode, struct file *file) -{ - int rc = 0; - - if (file->f_mode & FMODE_WRITE) { - if (sq.busy) { - rc = -EBUSY; - if (NON_BLOCKING(file->f_flags)) - goto err_out; - rc = -EINTR; - while (sq.busy) { - SLEEP(sq.open_queue); - if (SIGNAL_RECEIVED) - goto err_out; - } - } - sq.busy = 1; /* Let's play spot-the-race-condition */ - - if (sq_allocate_buffers()) goto err_out_nobusy; - - sq_setup(numBufs, bufSize<<10,sound_buffers); - sq.open_mode = file->f_mode; - } - - - if (file->f_mode & FMODE_READ) { - if (read_sq.busy) { - rc = -EBUSY; - if (NON_BLOCKING(file->f_flags)) - goto err_out; - rc = -EINTR; - while (read_sq.busy) { - SLEEP(read_sq.open_queue); - if (SIGNAL_RECEIVED) - goto err_out; - } - rc = 0; - } - read_sq.busy = 1; - if (sq_allocate_read_buffers()) goto err_out_nobusy; - - read_sq_setup(numReadBufs,readbufSize<<10, sound_read_buffers); - read_sq.open_mode = file->f_mode; - } - - /* Start up the 4218 by: - * Reset. - * Enable, unreset. - */ - *((volatile uint *)HIOX_CSR4_ADDR) &= ~HIOX_CSR4_RSTAUDIO; - eieio(); - *((volatile uint *)HIOX_CSR4_ADDR) |= HIOX_CSR4_ENAUDIO; - mdelay(50); - *((volatile uint *)HIOX_CSR4_ADDR) |= HIOX_CSR4_RSTAUDIO; - - /* We need to send the current control word in case someone - * opened /dev/mixer and changed things while we were shut - * down. Chances are good the initialization that follows - * would have done this, but it is still possible it wouldn't. - */ - cs4218_ctl_write(cs4218_control); - - sound.minDev = iminor(inode) & 0x0f; - sound.soft = sound.dsp; - sound.hard = sound.dsp; - sound_init(); - if ((iminor(inode) & 0x0f) == SND_DEV_AUDIO) { - sound_set_speed(8000); - sound_set_stereo(0); - sound_set_format(AFMT_MU_LAW); - } - - return nonseekable_open(inode, file); - -err_out_nobusy: - if (file->f_mode & FMODE_WRITE) { - sq.busy = 0; - WAKE_UP(sq.open_queue); - } - if (file->f_mode & FMODE_READ) { - read_sq.busy = 0; - WAKE_UP(read_sq.open_queue); - } -err_out: - return rc; -} - - -static void sq_reset(void) -{ - sound_silence(); - sq.active = 0; - sq.count = 0; - sq.front = (sq.rear+1) % sq.max_count; -#if 0 - init_tdm_buffers(); -#endif -} - - -static int sq_fsync(struct file *filp, struct dentry *dentry) -{ - int rc = 0; - - sq.syncing = 1; - sq_play(); /* there may be an incomplete frame waiting */ - - while (sq.active) { - SLEEP(sq.sync_queue); - if (SIGNAL_RECEIVED) { - /* While waiting for audio output to drain, an - * interrupt occurred. Stop audio output immediately - * and clear the queue. */ - sq_reset(); - rc = -EINTR; - break; - } - } - - sq.syncing = 0; - return rc; -} - -static int sq_release(struct inode *inode, struct file *file) -{ - int rc = 0; - - if (sq.busy) - rc = sq_fsync(file, file->f_path.dentry); - sound.soft = sound.dsp; - sound.hard = sound.dsp; - sound_silence(); - - sq_release_read_buffers(); - sq_release_buffers(); - - if (file->f_mode & FMODE_READ) { - read_sq.busy = 0; - WAKE_UP(read_sq.open_queue); - } - - if (file->f_mode & FMODE_WRITE) { - sq.busy = 0; - WAKE_UP(sq.open_queue); - } - - /* Shut down the SMC. - */ - cpmp->cp_smc[1].smc_smcmr &= ~(SMCMR_TEN | SMCMR_REN); - - /* Shut down the codec. - */ - *((volatile uint *)HIOX_CSR4_ADDR) |= HIOX_CSR4_RSTAUDIO; - eieio(); - *((volatile uint *)HIOX_CSR4_ADDR) &= ~HIOX_CSR4_ENAUDIO; - - /* Wake up a process waiting for the queue being released. - * Note: There may be several processes waiting for a call - * to open() returning. */ - - return rc; -} - - -static int sq_ioctl(struct inode *inode, struct file *file, u_int cmd, - u_long arg) -{ - u_long fmt; - int data; -#if 0 - int size, nbufs; -#else - int size; -#endif - - switch (cmd) { - case SNDCTL_DSP_RESET: - sq_reset(); - return 0; - case SNDCTL_DSP_POST: - case SNDCTL_DSP_SYNC: - return sq_fsync(file, file->f_path.dentry); - - /* ++TeSche: before changing any of these it's - * probably wise to wait until sound playing has - * settled down. */ - case SNDCTL_DSP_SPEED: - sq_fsync(file, file->f_path.dentry); - IOCTL_IN(arg, data); - return IOCTL_OUT(arg, sound_set_speed(data)); - case SNDCTL_DSP_STEREO: - sq_fsync(file, file->f_path.dentry); - IOCTL_IN(arg, data); - return IOCTL_OUT(arg, sound_set_stereo(data)); - case SOUND_PCM_WRITE_CHANNELS: - sq_fsync(file, file->f_path.dentry); - IOCTL_IN(arg, data); - return IOCTL_OUT(arg, sound_set_stereo(data-1)+1); - case SNDCTL_DSP_SETFMT: - sq_fsync(file, file->f_path.dentry); - IOCTL_IN(arg, data); - return IOCTL_OUT(arg, sound_set_format(data)); - case SNDCTL_DSP_GETFMTS: - fmt = 0; - if (sound.trans_write) { - if (sound.trans_write->ct_ulaw) - fmt |= AFMT_MU_LAW; - if (sound.trans_write->ct_alaw) - fmt |= AFMT_A_LAW; - if (sound.trans_write->ct_s8) - fmt |= AFMT_S8; - if (sound.trans_write->ct_u8) - fmt |= AFMT_U8; - if (sound.trans_write->ct_s16be) - fmt |= AFMT_S16_BE; - if (sound.trans_write->ct_u16be) - fmt |= AFMT_U16_BE; - if (sound.trans_write->ct_s16le) - fmt |= AFMT_S16_LE; - if (sound.trans_write->ct_u16le) - fmt |= AFMT_U16_LE; - } - return IOCTL_OUT(arg, fmt); - case SNDCTL_DSP_GETBLKSIZE: - size = sq.block_size - * sound.soft.size * (sound.soft.stereo + 1) - / (sound.hard.size * (sound.hard.stereo + 1)); - return IOCTL_OUT(arg, size); - case SNDCTL_DSP_SUBDIVIDE: - break; -#if 0 /* Sorry can't do this at the moment. The CPM allocated buffers - * long ago that can't be changed. - */ - case SNDCTL_DSP_SETFRAGMENT: - if (sq.count || sq.active || sq.syncing) - return -EINVAL; - IOCTL_IN(arg, size); - nbufs = size >> 16; - if (nbufs < 2 || nbufs > numBufs) - nbufs = numBufs; - size &= 0xffff; - if (size >= 8 && size <= 30) { - size = 1 << size; - size *= sound.hard.size * (sound.hard.stereo + 1); - size /= sound.soft.size * (sound.soft.stereo + 1); - if (size > (bufSize << 10)) - size = bufSize << 10; - } else - size = bufSize << 10; - sq_setup(numBufs, size, sound_buffers); - sq.max_active = nbufs; - return 0; -#endif - - default: - return mixer_ioctl(inode, file, cmd, arg); - } - return -EINVAL; -} - - - -static const struct file_operations sq_fops = -{ - .owner = THIS_MODULE, - .llseek = sound_lseek, - .read = sq_read, /* sq_read */ - .write = sq_write, - .ioctl = sq_ioctl, - .open = sq_open, - .release = sq_release, -}; - - -static void __init sq_init(void) -{ - sq_unit = register_sound_dsp(&sq_fops, -1); - if (sq_unit < 0) - return; - - init_waitqueue_head(&sq.action_queue); - init_waitqueue_head(&sq.open_queue); - init_waitqueue_head(&sq.sync_queue); - init_waitqueue_head(&read_sq.action_queue); - init_waitqueue_head(&read_sq.open_queue); - init_waitqueue_head(&read_sq.sync_queue); - - sq.busy = 0; - read_sq.busy = 0; - - /* whatever you like as startup mode for /dev/dsp, - * (/dev/audio hasn't got a startup mode). note that - * once changed a new open() will *not* restore these! - */ - sound.dsp.format = AFMT_S16_BE; - sound.dsp.stereo = 1; - sound.dsp.size = 16; - - /* set minimum rate possible without expanding */ - sound.dsp.speed = 8000; - - /* before the first open to /dev/dsp this wouldn't be set */ - sound.soft = sound.dsp; - sound.hard = sound.dsp; - - sound_silence(); -} - -/* - * /dev/sndstat - */ - - -/* state.buf should not overflow! */ - -static int state_open(struct inode *inode, struct file *file) -{ - char *buffer = state.buf, *mach = "", cs4218_buf[50]; - int len = 0; - - if (state.busy) - return -EBUSY; - - state.ptr = 0; - state.busy = 1; - - sprintf(cs4218_buf, "Crystal CS4218 on TDM, "); - mach = cs4218_buf; - - len += sprintf(buffer+len, "%sDMA sound driver:\n", mach); - - len += sprintf(buffer+len, "\tsound.format = 0x%x", sound.soft.format); - switch (sound.soft.format) { - case AFMT_MU_LAW: - len += sprintf(buffer+len, " (mu-law)"); - break; - case AFMT_A_LAW: - len += sprintf(buffer+len, " (A-law)"); - break; - case AFMT_U8: - len += sprintf(buffer+len, " (unsigned 8 bit)"); - break; - case AFMT_S8: - len += sprintf(buffer+len, " (signed 8 bit)"); - break; - case AFMT_S16_BE: - len += sprintf(buffer+len, " (signed 16 bit big)"); - break; - case AFMT_U16_BE: - len += sprintf(buffer+len, " (unsigned 16 bit big)"); - break; - case AFMT_S16_LE: - len += sprintf(buffer+len, " (signed 16 bit little)"); - break; - case AFMT_U16_LE: - len += sprintf(buffer+len, " (unsigned 16 bit little)"); - break; - } - len += sprintf(buffer+len, "\n"); - len += sprintf(buffer+len, "\tsound.speed = %dHz (phys. %dHz)\n", - sound.soft.speed, sound.hard.speed); - len += sprintf(buffer+len, "\tsound.stereo = 0x%x (%s)\n", - sound.soft.stereo, sound.soft.stereo ? "stereo" : "mono"); - len += sprintf(buffer+len, "\tsq.block_size = %d sq.max_count = %d" - " sq.max_active = %d\n", - sq.block_size, sq.max_count, sq.max_active); - len += sprintf(buffer+len, "\tsq.count = %d sq.rear_size = %d\n", sq.count, - sq.rear_size); - len += sprintf(buffer+len, "\tsq.active = %d sq.syncing = %d\n", - sq.active, sq.syncing); - state.len = len; - return nonseekable_open(inode, file); -} - - -static int state_release(struct inode *inode, struct file *file) -{ - state.busy = 0; - return 0; -} - - -static ssize_t state_read(struct file *file, char *buf, size_t count, - loff_t *ppos) -{ - int n = state.len - state.ptr; - if (n > count) - n = count; - if (n <= 0) - return 0; - if (copy_to_user(buf, &state.buf[state.ptr], n)) - return -EFAULT; - state.ptr += n; - return n; -} - - -static const struct file_operations state_fops = -{ - .owner = THIS_MODULE, - .llseek = sound_lseek, - .read = state_read, - .open = state_open, - .release = state_release, -}; - - -static void __init state_init(void) -{ - state_unit = register_sound_special(&state_fops, SND_DEV_STATUS); - if (state_unit < 0) - return; - state.busy = 0; -} - - -/*** Common stuff ********************************************************/ - -static long long sound_lseek(struct file *file, long long offset, int orig) -{ - return -ESPIPE; -} - - -/*** Config & Setup **********************************************************/ - - -int __init tdm8xx_sound_init(void) -{ - int i, has_sound; - uint dp_offset; - volatile uint *sirp; - volatile cbd_t *bdp; - volatile cpm8xx_t *cp; - volatile smc_t *sp; - volatile smc_uart_t *up; - volatile immap_t *immap; - - has_sound = 0; - - /* Program the SI/TSA to use TDMa, connected to SMC2, for 4 bytes. - */ - cp = cpmp; /* Get pointer to Communication Processor */ - immap = (immap_t *)IMAP_ADDR; /* and to internal registers */ - - /* Set all TDMa control bits to zero. This enables most features - * we want. - */ - cp->cp_simode &= ~0x00000fff; - - /* Enable common receive/transmit clock pins, use IDL format. - * Sync on falling edge, transmit rising clock, receive falling - * clock, delay 1 bit on both Tx and Rx. Common Tx/Rx clocks and - * sync. - * Connect SMC2 to TSA. - */ - cp->cp_simode |= 0x80000141; - - /* Configure port A pins for TDMa operation. - * The RPX-Lite (MPC850/823) loses SMC2 when TDM is used. - */ - immap->im_ioport.iop_papar |= 0x01c0; /* Enable TDMa functions */ - immap->im_ioport.iop_padir |= 0x00c0; /* Enable TDMa Tx/Rx */ - immap->im_ioport.iop_padir &= ~0x0100; /* Enable L1RCLKa */ - - immap->im_ioport.iop_pcpar |= 0x0800; /* Enable L1RSYNCa */ - immap->im_ioport.iop_pcdir &= ~0x0800; - - /* Initialize the SI TDM routing table. We use TDMa only. - * The receive table and transmit table each have only one - * entry, to capture/send four bytes after each frame pulse. - * The 16-bit ram entry is 0000 0001 1000 1111. (SMC2) - */ - cp->cp_sigmr = 0; - sirp = (uint *)cp->cp_siram; - - *sirp = 0x018f0000; /* Receive entry */ - sirp += 64; - *sirp = 0x018f0000; /* Tramsmit entry */ - - /* Enable single TDMa routing. - */ - cp->cp_sigmr = 0x04; - - /* Initialize the SMC for transparent operation. - */ - sp = &cpmp->cp_smc[1]; - up = (smc_uart_t *)&cp->cp_dparam[PROFF_SMC2]; - - /* We need to allocate a transmit and receive buffer - * descriptors from dual port ram. - */ - dp_addr = cpm_dpalloc(sizeof(cbd_t) * numReadBufs, 8); - - /* Set the physical address of the host memory - * buffers in the buffer descriptors, and the - * virtual address for us to work with. - */ - bdp = (cbd_t *)&cp->cp_dpmem[dp_addr]; - up->smc_rbase = dp_offset; - rx_cur = rx_base = (cbd_t *)bdp; - - for (i=0; i<(numReadBufs-1); i++) { - bdp->cbd_bufaddr = 0; - bdp->cbd_datlen = 0; - bdp->cbd_sc = BD_SC_EMPTY | BD_SC_INTRPT; - bdp++; - } - bdp->cbd_bufaddr = 0; - bdp->cbd_datlen = 0; - bdp->cbd_sc = BD_SC_WRAP | BD_SC_EMPTY | BD_SC_INTRPT; - - /* Now, do the same for the transmit buffers. - */ - dp_offset = cpm_dpalloc(sizeof(cbd_t) * numBufs, 8); - - bdp = (cbd_t *)&cp->cp_dpmem[dp_addr]; - up->smc_tbase = dp_offset; - tx_cur = tx_base = (cbd_t *)bdp; - - for (i=0; i<(numBufs-1); i++) { - bdp->cbd_bufaddr = 0; - bdp->cbd_datlen = 0; - bdp->cbd_sc = BD_SC_INTRPT; - bdp++; - } - bdp->cbd_bufaddr = 0; - bdp->cbd_datlen = 0; - bdp->cbd_sc = (BD_SC_WRAP | BD_SC_INTRPT); - - /* Set transparent SMC mode. - * A few things are specific to our application. The codec interface - * is MSB first, hence the REVD selection. The CD/CTS pulse are - * used by the TSA to indicate the frame start to the SMC. - */ - up->smc_rfcr = SCC_EB; - up->smc_tfcr = SCC_EB; - up->smc_mrblr = readbufSize * 1024; - - /* Set 16-bit reversed data, transparent mode. - */ - sp->smc_smcmr = smcr_mk_clen(15) | - SMCMR_SM_TRANS | SMCMR_REVD | SMCMR_BS; - - /* Enable and clear events. - * Because of FIFO delays, all we need is the receive interrupt - * and we can process both the current receive and current - * transmit interrupt within a few microseconds of the transmit. - */ - sp->smc_smce = 0xff; - sp->smc_smcm = SMCM_TXE | SMCM_TX | SMCM_RX; - - /* Send the CPM an initialize command. - */ - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, - CPM_CR_INIT_TRX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); - - sound.mach = mach_cs4218; - has_sound = 1; - - /* Initialize beep stuff */ - orig_mksound = kd_mksound; - kd_mksound = cs_mksound; - beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL); - if (beep_buf == NULL) - printk(KERN_WARNING "dmasound: no memory for " - "beep buffer\n"); - - if (!has_sound) - return -ENODEV; - - /* Initialize the software SPI. - */ - sw_spi_init(); - - /* Set up sound queue, /dev/audio and /dev/dsp. */ - - /* Set default settings. */ - sq_init(); - - /* Set up /dev/sndstat. */ - state_init(); - - /* Set up /dev/mixer. */ - mixer_init(); - - if (!sound.mach.irqinit()) { - printk(KERN_ERR "DMA sound driver: Interrupt initialization failed\n"); - return -ENODEV; - } -#ifdef MODULE - irq_installed = 1; -#endif - - printk(KERN_INFO "DMA sound driver installed, using %d buffers of %dk.\n", - numBufs, bufSize); - - return 0; -} - -/* Due to FIFOs and bit delays, the transmit interrupt occurs a few - * microseconds ahead of the receive interrupt. - * When we get an interrupt, we service the transmit first, then - * check for a receive to prevent the overhead of returning through - * the interrupt handler only to get back here right away during - * full duplex operation. - */ -static void -cs4218_intr(void *dev_id) -{ - volatile smc_t *sp; - volatile cpm8xx_t *cp; - - sp = &cpmp->cp_smc[1]; - - if (sp->smc_smce & SCCM_TX) { - sp->smc_smce = SCCM_TX; - cs4218_tdm_tx_intr((void *)sp); - } - - if (sp->smc_smce & SCCM_RX) { - sp->smc_smce = SCCM_RX; - cs4218_tdm_rx_intr((void *)sp); - } - - if (sp->smc_smce & SCCM_TXE) { - /* Transmit underrun. This happens with the application - * didn't keep up sending buffers. We tell the SMC to - * restart, which will cause it to poll the current (next) - * BD. If the user supplied data since this occurred, - * we just start running again. If they didn't, the SMC - * will poll the descriptor until data is placed there. - */ - sp->smc_smce = SCCM_TXE; - cp = cpmp; /* Get pointer to Communication Processor */ - cp->cp_cpcr = mk_cr_cmd(CPM_CR_CH_SMC2, - CPM_CR_RESTART_TX) | CPM_CR_FLG; - while (cp->cp_cpcr & CPM_CR_FLG); - } -} - - -#define MAXARGS 8 /* Should be sufficient for now */ - -void __init dmasound_setup(char *str, int *ints) -{ - /* check the bootstrap parameter for "dmasound=" */ - - switch (ints[0]) { - case 3: - if ((ints[3] < 0) || (ints[3] > MAX_CATCH_RADIUS)) - printk("dmasound_setup: invalid catch radius, using default = %d\n", catchRadius); - else - catchRadius = ints[3]; - /* fall through */ - case 2: - if (ints[1] < MIN_BUFFERS) - printk("dmasound_setup: invalid number of buffers, using default = %d\n", numBufs); - else - numBufs = ints[1]; - if (ints[2] < MIN_BUFSIZE || ints[2] > MAX_BUFSIZE) - printk("dmasound_setup: invalid buffer size, using default = %d\n", bufSize); - else - bufSize = ints[2]; - break; - case 0: - break; - default: - printk("dmasound_setup: invalid number of arguments\n"); - } -} - -/* Software SPI functions. - * These are on Port B. - */ -#define PB_SPICLK ((uint)0x00000002) -#define PB_SPIMOSI ((uint)0x00000004) -#define PB_SPIMISO ((uint)0x00000008) - -static -void sw_spi_init(void) -{ - volatile cpm8xx_t *cp; - volatile uint *hcsr4; - - hcsr4 = (volatile uint *)HIOX_CSR4_ADDR; - cp = cpmp; /* Get pointer to Communication Processor */ - - *hcsr4 &= ~HIOX_CSR4_AUDSPISEL; /* Disable SPI select */ - - /* Make these Port B signals general purpose I/O. - * First, make sure the clock is low. - */ - cp->cp_pbdat &= ~PB_SPICLK; - cp->cp_pbpar &= ~(PB_SPICLK | PB_SPIMOSI | PB_SPIMISO); - - /* Clock and Master Output are outputs. - */ - cp->cp_pbdir |= (PB_SPICLK | PB_SPIMOSI); - - /* Master Input. - */ - cp->cp_pbdir &= ~PB_SPIMISO; - -} - -/* Write the CS4218 control word out the SPI port. While the - * the control word is going out, the status word is arriving. - */ -static -uint cs4218_ctl_write(uint ctlreg) -{ - uint status; - - sw_spi_io((u_char *)&ctlreg, (u_char *)&status, 4); - - /* Shadow the control register.....I guess we could do - * the same for the status, but for now we just return it - * and let the caller decide. - */ - cs4218_control = ctlreg; - return status; -} - -static -void sw_spi_io(u_char *obuf, u_char *ibuf, uint bcnt) -{ - int bits, i; - u_char outbyte, inbyte; - volatile cpm8xx_t *cp; - volatile uint *hcsr4; - - hcsr4 = (volatile uint *)HIOX_CSR4_ADDR; - cp = cpmp; /* Get pointer to Communication Processor */ - - /* The timing on the bus is pretty slow. Code inefficiency - * and eieio() is our friend here :-). - */ - cp->cp_pbdat &= ~PB_SPICLK; - *hcsr4 |= HIOX_CSR4_AUDSPISEL; /* Enable SPI select */ - eieio(); - - /* Clock in/out the bytes. Data is valid on the falling edge - * of the clock. Data is MSB first. - */ - for (i=0; i<bcnt; i++) { - outbyte = *obuf++; - inbyte = 0; - for (bits=0; bits<8; bits++) { - eieio(); - cp->cp_pbdat |= PB_SPICLK; - eieio(); - if (outbyte & 0x80) - cp->cp_pbdat |= PB_SPIMOSI; - else - cp->cp_pbdat &= ~PB_SPIMOSI; - eieio(); - cp->cp_pbdat &= ~PB_SPICLK; - eieio(); - outbyte <<= 1; - inbyte <<= 1; - if (cp->cp_pbdat & PB_SPIMISO) - inbyte |= 1; - } - *ibuf++ = inbyte; - } - - *hcsr4 &= ~HIOX_CSR4_AUDSPISEL; /* Disable SPI select */ - eieio(); -} - -void cleanup_module(void) -{ - if (irq_installed) { - sound_silence(); -#ifdef MODULE - sound.mach.irqcleanup(); -#endif - } - - sq_release_read_buffers(); - sq_release_buffers(); - - if (mixer_unit >= 0) - unregister_sound_mixer(mixer_unit); - if (state_unit >= 0) - unregister_sound_special(state_unit); - if (sq_unit >= 0) - unregister_sound_dsp(sq_unit); -} - -module_init(tdm8xx_sound_init); -module_exit(cleanup_module); - diff --git a/arch/ppc/boot/common/misc-common.c b/arch/ppc/boot/common/misc-common.c index 8e1fccd96fc0..9589969cec72 100644 --- a/arch/ppc/boot/common/misc-common.c +++ b/arch/ppc/boot/common/misc-common.c @@ -57,7 +57,8 @@ unsigned char *ISA_io = NULL; #if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) + || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ + || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) extern unsigned long com_port; extern int serial_tstc(unsigned long com_port); @@ -80,7 +81,8 @@ int tstc(void) { #if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) + || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ + || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) if(keyb_present) return (CRT_tstc() || serial_tstc(com_port)); else @@ -95,7 +97,8 @@ int getc(void) while (1) { #if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) + || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ + || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) if (serial_tstc(com_port)) return (serial_getc(com_port)); #endif /* serial console */ @@ -112,7 +115,8 @@ putc(const char c) #if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) + || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ + || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) serial_putc(com_port, c); if ( c == '\n' ) serial_putc(com_port, '\r'); @@ -161,7 +165,8 @@ void puts(const char *s) while ( ( c = *s++ ) != '\0' ) { #if defined(CONFIG_SERIAL_CPM_CONSOLE) || defined(CONFIG_SERIAL_8250_CONSOLE) \ || defined(CONFIG_SERIAL_MPC52xx_CONSOLE) \ - || defined(CONFIG_SERIAL_MPSC_CONSOLE) + || defined(CONFIG_SERIAL_MPSC_CONSOLE) \ + || defined(CONFIG_SERIAL_UARTLITE_CONSOLE) serial_putc(com_port, c); if ( c == '\n' ) serial_putc(com_port, '\r'); #endif /* serial console */ diff --git a/arch/ppc/boot/simple/Makefile b/arch/ppc/boot/simple/Makefile index bcfb6cde70c4..5b877792d14f 100644 --- a/arch/ppc/boot/simple/Makefile +++ b/arch/ppc/boot/simple/Makefile @@ -201,6 +201,7 @@ boot-$(CONFIG_8260) += m8260_tty.o endif boot-$(CONFIG_SERIAL_MPC52xx_CONSOLE) += mpc52xx_tty.o boot-$(CONFIG_SERIAL_MPSC_CONSOLE) += mv64x60_tty.o +boot-$(CONFIG_SERIAL_UARTLITE_CONSOLE) += uartlite_tty.o LIBS := $(common)/lib.a $(bootlib)/lib.a ifeq ($(CONFIG_PPC_PREP),y) diff --git a/arch/ppc/boot/simple/uartlite_tty.c b/arch/ppc/boot/simple/uartlite_tty.c new file mode 100644 index 000000000000..0eae1eab38d4 --- /dev/null +++ b/arch/ppc/boot/simple/uartlite_tty.c @@ -0,0 +1,37 @@ +/* + * Xilinx UARTLITE bootloader driver + * + * Copyright (c) 2007 Secret Lab Technologies Ltd. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/types.h> +#include <asm/serial.h> +#include <asm/io.h> +#include <platforms/4xx/xparameters/xparameters.h> + +#define UARTLITE_BASEADDR ((void*)(XPAR_UARTLITE_0_BASEADDR)) + +void +serial_putc(unsigned long com_port, unsigned char c) +{ + while ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x08) != 0); /* spin */ + out_be32(UARTLITE_BASEADDR + 0x4, c); +} + +unsigned char +serial_getc(unsigned long com_port) +{ + while ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x01) == 0); /* spin */ + return in_be32(UARTLITE_BASEADDR); +} + +int +serial_tstc(unsigned long com_port) +{ + return ((in_be32(UARTLITE_BASEADDR + 0x8) & 0x01) != 0); +} diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c index 1f91eca2f3d7..c5850a272650 100644 --- a/arch/ppc/kernel/asm-offsets.c +++ b/arch/ppc/kernel/asm-offsets.c @@ -40,7 +40,6 @@ main(void) DEFINE(PTRACE, offsetof(struct task_struct, ptrace)); DEFINE(KSP, offsetof(struct thread_struct, ksp)); DEFINE(PGDIR, offsetof(struct thread_struct, pgdir)); - DEFINE(LAST_SYSCALL, offsetof(struct thread_struct, last_syscall)); DEFINE(PT_REGS, offsetof(struct thread_struct, regs)); DEFINE(THREAD_FPEXC_MODE, offsetof(struct thread_struct, fpexc_mode)); DEFINE(THREAD_FPR0, offsetof(struct thread_struct, fpr[0])); diff --git a/arch/ppc/kernel/entry.S b/arch/ppc/kernel/entry.S index a9d455369dc6..ab64256110bd 100644 --- a/arch/ppc/kernel/entry.S +++ b/arch/ppc/kernel/entry.S @@ -191,7 +191,6 @@ stack_ovf: 0: _GLOBAL(DoSyscall) - stw r0,THREAD+LAST_SYSCALL(r2) stw r3,ORIG_GPR3(r1) li r12,0 stw r12,RESULT(r1) diff --git a/arch/ppc/platforms/4xx/Kconfig b/arch/ppc/platforms/4xx/Kconfig index 705ae56016f0..76551b679030 100644 --- a/arch/ppc/platforms/4xx/Kconfig +++ b/arch/ppc/platforms/4xx/Kconfig @@ -29,6 +29,7 @@ config CPCI405 config EP405 bool "EP405/EP405PC" + select EMBEDDEDBOOT help This option enables support for the EP405/EP405PC boards. @@ -54,11 +55,15 @@ config WALNUT config XILINX_ML300 bool "Xilinx-ML300" + select XILINX_VIRTEX_II_PRO + select EMBEDDEDBOOT help This option enables support for the Xilinx ML300 evaluation board. config XILINX_ML403 bool "Xilinx-ML403" + select XILINX_VIRTEX_4_FX + select EMBEDDEDBOOT help This option enables support for the Xilinx ML403 evaluation board. endchoice @@ -215,18 +220,14 @@ config 405GPR config XILINX_VIRTEX_II_PRO bool - depends on XILINX_ML300 - default y + select XILINX_VIRTEX config XILINX_VIRTEX_4_FX bool - depends on XILINX_ML403 - default y + select XILINX_VIRTEX config XILINX_VIRTEX bool - depends on XILINX_VIRTEX_II_PRO || XILINX_VIRTEX_4_FX - default y config STB03xxx bool @@ -235,8 +236,6 @@ config STB03xxx config EMBEDDEDBOOT bool - depends on EP405 || XILINX_ML300 || XILINX_ML403 - default y config IBM_OPENBIOS bool diff --git a/arch/ppc/platforms/4xx/Makefile b/arch/ppc/platforms/4xx/Makefile index fa6610bccaf9..723ad7985cc6 100644 --- a/arch/ppc/platforms/4xx/Makefile +++ b/arch/ppc/platforms/4xx/Makefile @@ -28,5 +28,4 @@ obj-$(CONFIG_440SP) += ibm440sp.o obj-$(CONFIG_440SPE) += ppc440spe.o obj-$(CONFIG_405EP) += ibm405ep.o obj-$(CONFIG_405GPR) += ibm405gpr.o -obj-$(CONFIG_XILINX_VIRTEX) += virtex.o diff --git a/arch/ppc/platforms/4xx/ocotea.c b/arch/ppc/platforms/4xx/ocotea.c index 84e999d9a7bb..5e994e146ba8 100644 --- a/arch/ppc/platforms/4xx/ocotea.c +++ b/arch/ppc/platforms/4xx/ocotea.c @@ -178,7 +178,7 @@ ocotea_setup_pcix(void) /* Setup 2GB PCI->PLB inbound memory window at 0, enable MSIs */ PCIX_WRITEL(0x00000000, PCIX0_PIM0LAH); PCIX_WRITEL(0x00000000, PCIX0_PIM0LAL); - PCIX_WRITEL(0xe0000007, PCIX0_PIM0SA); + PCIX_WRITEL(0x80000007, PCIX0_PIM0SA); eieio(); } @@ -289,7 +289,7 @@ ocotea_setup_arch(void) * from FPGA, because it can be changed by on-board switches * --ebs */ - ibm440gx_get_clocks(&clocks, 33333333, 6 * 1843200); + ibm440gx_get_clocks(&clocks, 33300000, 6 * 1843200); ocp_sys_info.opb_bus_freq = clocks.opb; /* Setup TODC access */ diff --git a/arch/ppc/platforms/4xx/taishan.c b/arch/ppc/platforms/4xx/taishan.c index bb0253eef45a..5d9af8ddb155 100644 --- a/arch/ppc/platforms/4xx/taishan.c +++ b/arch/ppc/platforms/4xx/taishan.c @@ -235,7 +235,7 @@ taishan_setup_pcix(void) /* Setup 2GB PCI->PLB inbound memory window at 0, enable MSIs */ PCIX_WRITEL(0x00000000, PCIX0_PIM0LAH); PCIX_WRITEL(0x00000000, PCIX0_PIM0LAL); - PCIX_WRITEL(0xe0000007, PCIX0_PIM0SA); + PCIX_WRITEL(0x80000007, PCIX0_PIM0SA); PCIX_WRITEL(0xffffffff, PCIX0_PIM0SAH); iounmap(pcix_reg_base); diff --git a/arch/ppc/platforms/4xx/virtex.c b/arch/ppc/platforms/4xx/virtex.c deleted file mode 100644 index 133a83147199..000000000000 --- a/arch/ppc/platforms/4xx/virtex.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Virtex-II Pro & Virtex-4 FX common infrastructure - * - * Maintainer: Grant Likely <grant.likely@secretlab.ca> - * - * Copyright 2005 Secret Lab Technologies Ltd. - * Copyright 2005 General Dynamics Canada Ltd. - * Copyright 2005 Freescale Semiconductor Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/serial_8250.h> -#include <asm/ppc_sys.h> -#include <platforms/4xx/virtex.h> -#include <platforms/4xx/xparameters/xparameters.h> - -#define XPAR_UART(num) { \ - .mapbase = XPAR_UARTNS550_##num##_BASEADDR + 3, \ - .irq = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \ - .iotype = UPIO_MEM, \ - .uartclk = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \ - .flags = UPF_BOOT_AUTOCONF, \ - .regshift = 2, \ - } - -struct plat_serial8250_port serial_platform_data[] = { -#ifdef XPAR_UARTNS550_0_BASEADDR - XPAR_UART(0), -#endif -#ifdef XPAR_UARTNS550_1_BASEADDR - XPAR_UART(1), -#endif -#ifdef XPAR_UARTNS550_2_BASEADDR - XPAR_UART(2), -#endif -#ifdef XPAR_UARTNS550_3_BASEADDR - XPAR_UART(3), -#endif - { }, /* terminated by empty record */ -}; - -struct platform_device ppc_sys_platform_devices[] = { - [VIRTEX_UART] = { - .name = "serial8250", - .id = 0, - .dev.platform_data = serial_platform_data, - }, -}; - diff --git a/arch/ppc/platforms/4xx/virtex.h b/arch/ppc/platforms/4xx/virtex.h index c14325dfd7b1..738280420be5 100644 --- a/arch/ppc/platforms/4xx/virtex.h +++ b/arch/ppc/platforms/4xx/virtex.h @@ -1,35 +1,35 @@ /* - * arch/ppc/platforms/4xx/virtex.h + * Basic Virtex platform defines, included by <asm/ibm4xx.h> * - * Include file that defines the Xilinx Virtex-II Pro processor + * 2005-2007 (c) Secret Lab Technologies Ltd. + * 2002-2004 (c) MontaVista Software, Inc. * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * 2002-2004 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is licensed - * "as is" without any warranty of any kind, whether express or implied. + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. */ #ifdef __KERNEL__ #ifndef __ASM_VIRTEX_H__ #define __ASM_VIRTEX_H__ -/* serial defines */ - #include <asm/ibm405.h> +#include <asm/ppcboot.h> /* Ugly, ugly, ugly! BASE_BAUD defined here to keep 8250.c happy. */ #if !defined(BASE_BAUD) #define BASE_BAUD (0) /* dummy value; not used */ #endif - -/* Device type enumeration for platform bus definitions */ + #ifndef __ASSEMBLY__ -enum ppc_sys_devices { - VIRTEX_UART, NUM_PPC_SYS_DEVS, -}; -#endif - +extern const char* virtex_machine_name; +#define PPC4xx_MACHINE_NAME (virtex_machine_name) +#endif /* !__ASSEMBLY__ */ + +/* We don't need anything mapped. Size of zero will accomplish that. */ +#define PPC4xx_ONB_IO_PADDR 0u +#define PPC4xx_ONB_IO_VADDR 0u +#define PPC4xx_ONB_IO_SIZE 0u + #endif /* __ASM_VIRTEX_H__ */ #endif /* __KERNEL__ */ diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c index fb5f0b5e13d1..6e522fefc26f 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml300.c +++ b/arch/ppc/platforms/4xx/xilinx_ml300.c @@ -18,9 +18,9 @@ #include <linux/serialP.h> #include <asm/io.h> #include <asm/machdep.h> -#include <asm/ppc_sys.h> #include <syslib/gen550.h> +#include <syslib/virtex_devices.h> #include <platforms/4xx/xparameters/xparameters.h> /* @@ -53,24 +53,9 @@ * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c */ -/* Board specifications structures */ -struct ppc_sys_spec *cur_ppc_sys_spec; -struct ppc_sys_spec ppc_sys_specs[] = { - { - /* Only one entry, always assume the same design */ - .ppc_sys_name = "Xilinx ML300 Reference Design", - .mask = 0x00000000, - .value = 0x00000000, - .num_devices = 1, - .device_list = (enum ppc_sys_devices[]) - { - VIRTEX_UART, - }, - }, -}; +const char* virtex_machine_name = "ML300 Reference Design"; #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) - static volatile unsigned *powerdown_base = (volatile unsigned *) XPAR_POWER_0_POWERDOWN_BASEADDR; @@ -95,52 +80,14 @@ ml300_map_io(void) #endif } -/* Early serial support functions */ -static void __init -ml300_early_serial_init(int num, struct plat_serial8250_port *pdata) -{ -#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) - struct uart_port serial_req; - - memset(&serial_req, 0, sizeof(serial_req)); - serial_req.mapbase = pdata->mapbase; - serial_req.membase = pdata->membase; - serial_req.irq = pdata->irq; - serial_req.uartclk = pdata->uartclk; - serial_req.regshift = pdata->regshift; - serial_req.iotype = pdata->iotype; - serial_req.flags = pdata->flags; - gen550_init(num, &serial_req); -#endif -} - -void __init -ml300_early_serial_map(void) -{ -#ifdef CONFIG_SERIAL_8250 - struct plat_serial8250_port *pdata; - int i = 0; - - pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART); - while(pdata && pdata->flags) - { - pdata->membase = ioremap(pdata->mapbase, 0x100); - ml300_early_serial_init(i, pdata); - pdata++; - i++; - } -#endif /* CONFIG_SERIAL_8250 */ -} - void __init ml300_setup_arch(void) { - ml300_early_serial_map(); + virtex_early_serial_map(); ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ /* Identify the system */ - printk(KERN_INFO "Xilinx Virtex-II Pro port\n"); - printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n"); + printk(KERN_INFO "Xilinx ML300 Reference System (Virtex-II Pro)\n"); } /* Called after board_setup_irq from ppc4xx_init_IRQ(). */ @@ -156,8 +103,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, { ppc4xx_init(r3, r4, r5, r6, r7); - identify_ppc_sys_by_id(mfspr(SPRN_PVR)); - ppc_md.setup_arch = ml300_setup_arch; ppc_md.setup_io_mappings = ml300_map_io; ppc_md.init_IRQ = ml300_init_irq; @@ -167,7 +112,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #endif #ifdef CONFIG_KGDB - ppc_md.early_serial_map = ml300_early_serial_map; + ppc_md.early_serial_map = virtex_early_serial_map; #endif } diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.h b/arch/ppc/platforms/4xx/xilinx_ml300.h deleted file mode 100644 index 3d57332ba820..000000000000 --- a/arch/ppc/platforms/4xx/xilinx_ml300.h +++ /dev/null @@ -1,45 +0,0 @@ -/* - * Include file that defines the Xilinx ML300 evaluation board - * - * Author: MontaVista Software, Inc. - * source@mvista.com - * - * 2002-2004 (c) MontaVista Software, Inc. This file is licensed under the - * terms of the GNU General Public License version 2. This program is licensed - * "as is" without any warranty of any kind, whether express or implied. - */ - -#ifdef __KERNEL__ -#ifndef __ASM_XILINX_ML300_H__ -#define __ASM_XILINX_ML300_H__ - -/* ML300 has a Xilinx Virtex-II Pro processor */ -#include <platforms/4xx/virtex.h> - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -typedef struct board_info { - unsigned int bi_memsize; /* DRAM installed, in bytes */ - unsigned char bi_enetaddr[6]; /* Local Ethernet MAC address */ - unsigned int bi_intfreq; /* Processor speed, in Hz */ - unsigned int bi_busfreq; /* PLB Bus speed, in Hz */ - unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ -} bd_t; - -/* Some 4xx parts use a different timebase frequency from the internal clock. -*/ -#define bi_tbfreq bi_intfreq - -#endif /* !__ASSEMBLY__ */ - -/* We don't need anything mapped. Size of zero will accomplish that. */ -#define PPC4xx_ONB_IO_PADDR 0u -#define PPC4xx_ONB_IO_VADDR 0u -#define PPC4xx_ONB_IO_SIZE 0u - -#define PPC4xx_MACHINE_NAME "Xilinx ML300 Reference System" - -#endif /* __ASM_XILINX_ML300_H__ */ -#endif /* __KERNEL__ */ diff --git a/arch/ppc/platforms/4xx/xilinx_ml403.c b/arch/ppc/platforms/4xx/xilinx_ml403.c index cb3bf7a2bcbe..bc3ace3762e7 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml403.c +++ b/arch/ppc/platforms/4xx/xilinx_ml403.c @@ -1,11 +1,9 @@ /* - * arch/ppc/platforms/4xx/xilinx_ml403.c - * * Xilinx ML403 evaluation board initialization * * Author: Grant Likely <grant.likely@secretlab.ca> * - * 2005 (c) Secret Lab Technologies Ltd. + * 2005-2007 (c) Secret Lab Technologies Ltd. * 2002-2004 (c) MontaVista Software, Inc. * * This file is licensed under the terms of the GNU General Public License @@ -22,9 +20,9 @@ #include <linux/serialP.h> #include <asm/io.h> #include <asm/machdep.h> -#include <asm/ppc_sys.h> #include <syslib/gen550.h> +#include <syslib/virtex_devices.h> #include <platforms/4xx/xparameters/xparameters.h> /* @@ -57,24 +55,9 @@ * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c */ -/* Board specifications structures */ -struct ppc_sys_spec *cur_ppc_sys_spec; -struct ppc_sys_spec ppc_sys_specs[] = { - { - /* Only one entry, always assume the same design */ - .ppc_sys_name = "Xilinx ML403 Reference Design", - .mask = 0x00000000, - .value = 0x00000000, - .num_devices = 1, - .device_list = (enum ppc_sys_devices[]) - { - VIRTEX_UART, - }, - }, -}; +const char* virtex_machine_name = "ML403 Reference Design"; #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) - static volatile unsigned *powerdown_base = (volatile unsigned *) XPAR_POWER_0_POWERDOWN_BASEADDR; @@ -99,47 +82,10 @@ ml403_map_io(void) #endif } -/* Early serial support functions */ -static void __init -ml403_early_serial_init(int num, struct plat_serial8250_port *pdata) -{ -#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) - struct uart_port serial_req; - - memset(&serial_req, 0, sizeof(serial_req)); - serial_req.mapbase = pdata->mapbase; - serial_req.membase = pdata->membase; - serial_req.irq = pdata->irq; - serial_req.uartclk = pdata->uartclk; - serial_req.regshift = pdata->regshift; - serial_req.iotype = pdata->iotype; - serial_req.flags = pdata->flags; - gen550_init(num, &serial_req); -#endif -} - -void __init -ml403_early_serial_map(void) -{ -#ifdef CONFIG_SERIAL_8250 - struct plat_serial8250_port *pdata; - int i = 0; - - pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART); - while(pdata && pdata->flags) - { - pdata->membase = ioremap(pdata->mapbase, 0x100); - ml403_early_serial_init(i, pdata); - pdata++; - i++; - } -#endif /* CONFIG_SERIAL_8250 */ -} - void __init ml403_setup_arch(void) { - ml403_early_serial_map(); + virtex_early_serial_map(); ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ /* Identify the system */ @@ -159,8 +105,6 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, { ppc4xx_init(r3, r4, r5, r6, r7); - identify_ppc_sys_by_id(mfspr(SPRN_PVR)); - ppc_md.setup_arch = ml403_setup_arch; ppc_md.setup_io_mappings = ml403_map_io; ppc_md.init_IRQ = ml403_init_irq; @@ -170,7 +114,7 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, #endif #ifdef CONFIG_KGDB - ppc_md.early_serial_map = ml403_early_serial_map; + ppc_md.early_serial_map = virtex_early_serial_map; #endif } diff --git a/arch/ppc/platforms/4xx/xilinx_ml403.h b/arch/ppc/platforms/4xx/xilinx_ml403.h deleted file mode 100644 index 473596959902..000000000000 --- a/arch/ppc/platforms/4xx/xilinx_ml403.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * arch/ppc/platforms/4xx/xilinx_ml403.h - * - * Include file that defines the Xilinx ML403 reference design - * - * Author: Grant Likely <grant.likely@secretlab.ca> - * - * 2005 (c) Secret Lab Technologies Ltd. - * 2002-2004 (c) MontaVista Software, Inc. - * - * This file is licensed under the terms of the GNU General Public License - * version 2. This program is licensed "as is" without any warranty of any - * kind, whether express or implied. - */ - -#ifdef __KERNEL__ -#ifndef __ASM_XILINX_ML403_H__ -#define __ASM_XILINX_ML403_H__ - -/* ML403 has a Xilinx Virtex-4 FPGA with a PPC405 hard core */ -#include <platforms/4xx/virtex.h> - -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -typedef struct board_info { - unsigned int bi_memsize; /* DRAM installed, in bytes */ - unsigned char bi_enetaddr[6]; /* Local Ethernet MAC address */ - unsigned int bi_intfreq; /* Processor speed, in Hz */ - unsigned int bi_busfreq; /* PLB Bus speed, in Hz */ - unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */ -} bd_t; - -/* Some 4xx parts use a different timebase frequency from the internal clock. -*/ -#define bi_tbfreq bi_intfreq - -#endif /* !__ASSEMBLY__ */ - -/* We don't need anything mapped. Size of zero will accomplish that. */ -#define PPC4xx_ONB_IO_PADDR 0u -#define PPC4xx_ONB_IO_VADDR 0u -#define PPC4xx_ONB_IO_SIZE 0u - -#define PPC4xx_MACHINE_NAME "Xilinx ML403 Reference Design" - -#endif /* __ASM_XILINX_ML403_H__ */ -#endif /* __KERNEL__ */ diff --git a/arch/ppc/platforms/4xx/xparameters/xparameters.h b/arch/ppc/platforms/4xx/xparameters/xparameters.h index 66ec5f35f306..01aa043ff381 100644 --- a/arch/ppc/platforms/4xx/xparameters/xparameters.h +++ b/arch/ppc/platforms/4xx/xparameters/xparameters.h @@ -34,3 +34,63 @@ .io_type = SERIAL_IO_MEM, \ }, #endif + +/* + * A few reasonable defaults for the #defines which could be missing depending + * on the IP version or variant (e.g. OPB vs PLB) + */ + +#ifndef XPAR_EMAC_0_CAM_EXIST +#define XPAR_EMAC_0_CAM_EXIST 0 +#endif +#ifndef XPAR_EMAC_0_JUMBO_EXIST +#define XPAR_EMAC_0_JUMBO_EXIST 0 +#endif +#ifndef XPAR_EMAC_0_TX_DRE_TYPE +#define XPAR_EMAC_0_TX_DRE_TYPE 0 +#endif +#ifndef XPAR_EMAC_0_RX_DRE_TYPE +#define XPAR_EMAC_0_RX_DRE_TYPE 0 +#endif +#ifndef XPAR_EMAC_0_TX_INCLUDE_CSUM +#define XPAR_EMAC_0_TX_INCLUDE_CSUM 0 +#endif +#ifndef XPAR_EMAC_0_RX_INCLUDE_CSUM +#define XPAR_EMAC_0_RX_INCLUDE_CSUM 0 +#endif + +#ifndef XPAR_EMAC_1_CAM_EXIST +#define XPAR_EMAC_1_CAM_EXIST 0 +#endif +#ifndef XPAR_EMAC_1_JUMBO_EXIST +#define XPAR_EMAC_1_JUMBO_EXIST 0 +#endif +#ifndef XPAR_EMAC_1_TX_DRE_TYPE +#define XPAR_EMAC_1_TX_DRE_TYPE 0 +#endif +#ifndef XPAR_EMAC_1_RX_DRE_TYPE +#define XPAR_EMAC_1_RX_DRE_TYPE 0 +#endif +#ifndef XPAR_EMAC_1_TX_INCLUDE_CSUM +#define XPAR_EMAC_1_TX_INCLUDE_CSUM 0 +#endif +#ifndef XPAR_EMAC_1_RX_INCLUDE_CSUM +#define XPAR_EMAC_1_RX_INCLUDE_CSUM 0 +#endif + +#ifndef XPAR_GPIO_0_IS_DUAL +#define XPAR_GPIO_0_IS_DUAL 0 +#endif +#ifndef XPAR_GPIO_1_IS_DUAL +#define XPAR_GPIO_1_IS_DUAL 0 +#endif +#ifndef XPAR_GPIO_2_IS_DUAL +#define XPAR_GPIO_2_IS_DUAL 0 +#endif +#ifndef XPAR_GPIO_3_IS_DUAL +#define XPAR_GPIO_3_IS_DUAL 0 +#endif +#ifndef XPAR_GPIO_4_IS_DUAL +#define XPAR_GPIO_4_IS_DUAL 0 +#endif + diff --git a/arch/ppc/platforms/rpxclassic.h b/arch/ppc/platforms/rpxclassic.h index 57a2a55dab8c..a3c1118e5b09 100644 --- a/arch/ppc/platforms/rpxclassic.h +++ b/arch/ppc/platforms/rpxclassic.h @@ -69,10 +69,6 @@ extern bd_t m8xx_board_info; #define BCSR2_QSPACESEL ((uint)0x00004000) #define BCSR2_FETHLEDMODE ((uint)0x00000800) /* CLLF */ -#if defined(CONFIG_HTDMSOUND) -#include <platforms/rpxhiox.h> -#endif - /* define IO_BASE for pcmcia, CLLF only */ #if !defined(CONFIG_PCI) #define _IO_BASE 0x80000000 diff --git a/arch/ppc/platforms/rpxhiox.h b/arch/ppc/platforms/rpxhiox.h deleted file mode 100644 index c3fa5a653762..000000000000 --- a/arch/ppc/platforms/rpxhiox.h +++ /dev/null @@ -1,41 +0,0 @@ -/* - * The Embedded Planet HIOX expansion card definitions. - * There were a few different versions of these cards, but only - * the one that escaped real production is defined here. - * - * Copyright (c) 2000 Dan Malek (dmalek@jlc.net) - */ -#ifndef __MACH_RPX_HIOX_DEFS -#define __MACH_RPX_HIOX_DEFS - -#define HIOX_CSR_ADDR ((uint)0xfac00000) -#define HIOX_CSR_SIZE ((uint)(4 * 1024)) -#define HIOX_CSR0_ADDR HIOX_CSR_ADDR -#define HIOX_CSR4_ADDR ((uint)0xfac00004) - -#define HIOX_CSR0_DEFAULT ((uint)0x380f3c00) -#define HIOX_CSR0_ENSCC2 ((uint)0x80000000) -#define HIOX_CSR0_ENSMC2 ((uint)0x04000000) -#define HIOX_CSR0_ENVDOCLK ((uint)0x02000000) -#define HIOX_CSR0_VDORST_HL ((uint)0x01000000) -#define HIOX_CSR0_RS232SEL ((uint)0x0000c000) -#define HIOX_CSR0_SCC3SEL ((uint)0x0000c000) -#define HIOX_CSR0_SMC1SEL ((uint)0x00008000) -#define HIOX_CSR0_SCC1SEL ((uint)0x00004000) -#define HIOX_CSR0_ENTOUCH ((uint)0x00000080) -#define HIOX_CSR0_PDOWN100 ((uint)0x00000060) -#define HIOX_CSR0_PDOWN10 ((uint)0x00000040) -#define HIOX_CSR0_PDOWN1 ((uint)0x00000020) -#define HIOX_CSR0_TSELSPI ((uint)0x00000010) -#define HIOX_CSR0_TIRQSTAT ((uint)0x00000008) -#define HIOX_CSR4_DEFAULT ((uint)0x00000000) -#define HIOX_CSR4_ENTIRQ2 ((uint)0x20000000) -#define HIOX_CSR4_ENTIRQ3 ((uint)0x10000000) -#define HIOX_CSR4_ENAUDIO ((uint)0x00000080) -#define HIOX_CSR4_RSTAUDIO ((uint)0x00000040) /* 0 == reset */ -#define HIOX_CSR4_AUDCLKHI ((uint)0x00000020) -#define HIOX_CSR4_AUDSPISEL ((uint)0x00000010) -#define HIOX_CSR4_AUDIRQSTAT ((uint)0x00000008) -#define HIOX_CSR4_AUDCLKSEL ((uint)0x00000007) - -#endif diff --git a/arch/ppc/platforms/rpxlite.h b/arch/ppc/platforms/rpxlite.h index 719780646270..b615501d55fc 100644 --- a/arch/ppc/platforms/rpxlite.h +++ b/arch/ppc/platforms/rpxlite.h @@ -57,10 +57,6 @@ extern bd_t m8xx_board_info; #define BCSR1_PCVCTL6 ((uint)0x00020000) #define BCSR1_PCVCTL7 ((uint)0x00010000) -#if defined(CONFIG_HTDMSOUND) -#include <platforms/rpxhiox.h> -#endif - /* define IO_BASE for pcmcia */ #define _IO_BASE 0x80000000 #define _IO_BASE_SIZE 0x1000 diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile index 09911118c675..95694159b226 100644 --- a/arch/ppc/syslib/Makefile +++ b/arch/ppc/syslib/Makefile @@ -18,7 +18,8 @@ obj-$(CONFIG_440SP) += ibm440gx_common.o ibm440sp_common.o obj-$(CONFIG_440SPE) += ibm440gx_common.o ibm440sp_common.o ppc440spe_pcie.o ifeq ($(CONFIG_4xx),y) ifeq ($(CONFIG_XILINX_VIRTEX),y) -obj-$(CONFIG_40x) += xilinx_pic.o ppc_sys.o +obj-$(CONFIG_40x) += xilinx_pic.o +obj-y += virtex_devices.o else ifeq ($(CONFIG_403),y) obj-$(CONFIG_40x) += ppc403_pic.o diff --git a/arch/ppc/syslib/cpc710.h b/arch/ppc/syslib/cpc710.h deleted file mode 100644 index 5299bf8b5d01..000000000000 --- a/arch/ppc/syslib/cpc710.h +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Definitions for the IBM CPC710 PCI Host Bridge - * - * Author: Matt Porter <mporter@mvista.com> - * - * 2001 (c) MontaVista, Software, Inc. This file is licensed under - * the terms of the GNU General Public License version 2. This program - * is licensed "as is" without any warranty of any kind, whether express - * or implied. - */ - -#ifndef __PPC_PLATFORMS_CPC710_H -#define __PPC_PLATFORMS_CPC710_H - -/* General bridge and memory controller registers */ -#define PIDR 0xff000008 -#define CNFR 0xff00000c -#define RSTR 0xff000010 -#define UCTL 0xff001000 -#define MPSR 0xff001010 -#define SIOC 0xff001020 -#define ABCNTL 0xff001030 -#define SRST 0xff001040 -#define ERRC 0xff001050 -#define SESR 0xff001060 -#define SEAR 0xff001070 -#define SIOC1 0xff001090 -#define PGCHP 0xff001100 -#define GPDIR 0xff001130 -#define GPOUT 0xff001150 -#define ATAS 0xff001160 -#define AVDG 0xff001170 -#define MCCR 0xff001200 -#define MESR 0xff001220 -#define MEAR 0xff001230 -#define MCER0 0xff001300 -#define MCER1 0xff001310 -#define MCER2 0xff001320 -#define MCER3 0xff001330 -#define MCER4 0xff001340 -#define MCER5 0xff001350 -#define MCER6 0xff001360 -#define MCER7 0xff001370 - -/* - * PCI32/64 configuration registers - * Given as offsets from their - * respective physical segment BAR - */ -#define PIBAR 0x000f7800 -#define PMBAR 0x000f7810 -#define MSIZE 0x000f7f40 -#define IOSIZE 0x000f7f60 -#define SMBAR 0x000f7f80 -#define SIBAR 0x000f7fc0 -#define PSSIZE 0x000f8100 -#define PPSIZE 0x000f8110 -#define BARPS 0x000f8120 -#define BARPP 0x000f8130 -#define PSBAR 0x000f8140 -#define PPBAR 0x000f8150 -#define BPMDLK 0x000f8200 /* Bottom of Peripheral Memory Space */ -#define TPMDLK 0x000f8210 /* Top of Peripheral Memory Space */ -#define BIODLK 0x000f8220 /* Bottom of Peripheral I/O Space */ -#define TIODLK 0x000f8230 /* Top of Perioheral I/O Space */ -#define DLKCTRL 0x000f8240 /* Deadlock control */ -#define DLKDEV 0x000f8250 /* Deadlock device */ - -/* System standard configuration registers space */ -#define DCR 0xff200000 -#define DID 0xff200004 -#define BAR 0xff200018 - -/* Device specific configuration space */ -#define PCIENB 0xff201000 - -/* Configuration space registers */ -#define CPC710_BUS_NUMBER 0x40 -#define CPC710_SUB_BUS_NUMBER 0x41 - -#endif /* __PPC_PLATFORMS_CPC710_H */ diff --git a/arch/ppc/syslib/m8xx_setup.c b/arch/ppc/syslib/m8xx_setup.c index 01e48d88f22d..9caf850c9b38 100644 --- a/arch/ppc/syslib/m8xx_setup.c +++ b/arch/ppc/syslib/m8xx_setup.c @@ -413,7 +413,7 @@ m8xx_map_io(void) io_block_mapping(_IO_BASE,_IO_BASE,_IO_BASE_SIZE, _PAGE_IO); #endif #endif -#if defined(CONFIG_HTDMSOUND) || defined(CONFIG_RPXTOUCH) || defined(CONFIG_FB_RPX) +#if defined(CONFIG_RPXTOUCH) || defined(CONFIG_FB_RPX) io_block_mapping(HIOX_CSR_ADDR, HIOX_CSR_ADDR, HIOX_CSR_SIZE, _PAGE_IO); #endif #ifdef CONFIG_FADS diff --git a/arch/ppc/syslib/ppc4xx_sgdma.c b/arch/ppc/syslib/ppc4xx_sgdma.c index 2f83e162971f..939abe3c1f45 100644 --- a/arch/ppc/syslib/ppc4xx_sgdma.c +++ b/arch/ppc/syslib/ppc4xx_sgdma.c @@ -27,6 +27,7 @@ #include <asm/system.h> #include <asm/io.h> +#include <asm/dma-mapping.h> #include <asm/ppc4xx_dma.h> void diff --git a/arch/ppc/syslib/virtex_devices.c b/arch/ppc/syslib/virtex_devices.c new file mode 100644 index 000000000000..16546788e23b --- /dev/null +++ b/arch/ppc/syslib/virtex_devices.c @@ -0,0 +1,233 @@ +/* + * Virtex hard ppc405 core common device listing + * + * Copyright 2005-2007 Secret Lab Technologies Ltd. + * Copyright 2005 Freescale Semiconductor Inc. + * Copyright 2002-2004 MontaVista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/init.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/serial_8250.h> +#include <syslib/virtex_devices.h> +#include <platforms/4xx/xparameters/xparameters.h> +#include <asm/io.h> + +/* + * UARTLITE: shortcut macro for single instance + */ +#define XPAR_UARTLITE(num) { \ + .name = "uartlite", \ + .id = num, \ + .num_resources = 2, \ + .resource = (struct resource[]) { \ + { \ + .start = XPAR_UARTLITE_##num##_BASEADDR + 3, \ + .end = XPAR_UARTLITE_##num##_HIGHADDR, \ + .flags = IORESOURCE_MEM, \ + }, \ + { \ + .start = XPAR_INTC_0_UARTLITE_##num##_VEC_ID, \ + .flags = IORESOURCE_IRQ, \ + }, \ + }, \ +} + +/* + * Full UART: shortcut macro for single instance + platform data structure + */ +#define XPAR_UART(num) { \ + .mapbase = XPAR_UARTNS550_##num##_BASEADDR + 3, \ + .irq = XPAR_INTC_0_UARTNS550_##num##_VEC_ID, \ + .iotype = UPIO_MEM, \ + .uartclk = XPAR_UARTNS550_##num##_CLOCK_FREQ_HZ, \ + .flags = UPF_BOOT_AUTOCONF, \ + .regshift = 2, \ +} + +/* + * SystemACE: shortcut macro for single instance + */ +#define XPAR_SYSACE(num) { \ + .name = "xsysace", \ + .id = XPAR_SYSACE_##num##_DEVICE_ID, \ + .num_resources = 2, \ + .resource = (struct resource[]) { \ + { \ + .start = XPAR_SYSACE_##num##_BASEADDR, \ + .end = XPAR_SYSACE_##num##_HIGHADDR, \ + .flags = IORESOURCE_MEM, \ + }, \ + { \ + .start = XPAR_INTC_0_SYSACE_##num##_VEC_ID, \ + .flags = IORESOURCE_IRQ, \ + }, \ + }, \ +} + + +/* UART 8250 driver platform data table */ +struct plat_serial8250_port virtex_serial_platform_data[] = { +#if defined(XPAR_UARTNS550_0_BASEADDR) + XPAR_UART(0), +#endif +#if defined(XPAR_UARTNS550_1_BASEADDR) + XPAR_UART(1), +#endif +#if defined(XPAR_UARTNS550_2_BASEADDR) + XPAR_UART(2), +#endif +#if defined(XPAR_UARTNS550_3_BASEADDR) + XPAR_UART(3), +#endif +#if defined(XPAR_UARTNS550_4_BASEADDR) + XPAR_UART(4), +#endif +#if defined(XPAR_UARTNS550_5_BASEADDR) + XPAR_UART(5), +#endif +#if defined(XPAR_UARTNS550_6_BASEADDR) + XPAR_UART(6), +#endif +#if defined(XPAR_UARTNS550_7_BASEADDR) + XPAR_UART(7), +#endif + { }, /* terminated by empty record */ +}; + + +struct platform_device virtex_platform_devices[] = { + /* UARTLITE instances */ +#if defined(XPAR_UARTLITE_0_BASEADDR) + XPAR_UARTLITE(0), +#endif +#if defined(XPAR_UARTLITE_1_BASEADDR) + XPAR_UARTLITE(1), +#endif +#if defined(XPAR_UARTLITE_2_BASEADDR) + XPAR_UARTLITE(2), +#endif +#if defined(XPAR_UARTLITE_3_BASEADDR) + XPAR_UARTLITE(3), +#endif +#if defined(XPAR_UARTLITE_4_BASEADDR) + XPAR_UARTLITE(4), +#endif +#if defined(XPAR_UARTLITE_5_BASEADDR) + XPAR_UARTLITE(5), +#endif +#if defined(XPAR_UARTLITE_6_BASEADDR) + XPAR_UARTLITE(6), +#endif +#if defined(XPAR_UARTLITE_7_BASEADDR) + XPAR_UARTLITE(7), +#endif + + /* Full UART instances */ +#if defined(XPAR_UARTNS550_0_BASEADDR) + { + .name = "serial8250", + .id = 0, + .dev.platform_data = virtex_serial_platform_data, + }, +#endif + + /* SystemACE instances */ +#if defined(XPAR_SYSACE_0_BASEADDR) + XPAR_SYSACE(0), +#endif +#if defined(XPAR_SYSACE_1_BASEADDR) + XPAR_SYSACE(1), +#endif + + /* ML300/403 reference design framebuffer */ +#if defined(XPAR_TFT_0_BASEADDR) + { + .name = "xilinxfb", + .id = 0, + .num_resources = 1, + .resource = (struct resource[]) { + { + .start = XPAR_TFT_0_BASEADDR, + .end = XPAR_TFT_0_BASEADDR+7, + .flags = IORESOURCE_IO, + }, + }, + }, +#endif +}; + +/* Early serial support functions */ +static void __init +virtex_early_serial_init(int num, struct plat_serial8250_port *pdata) +{ +#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) + struct uart_port serial_req; + + memset(&serial_req, 0, sizeof(serial_req)); + serial_req.mapbase = pdata->mapbase; + serial_req.membase = pdata->membase; + serial_req.irq = pdata->irq; + serial_req.uartclk = pdata->uartclk; + serial_req.regshift = pdata->regshift; + serial_req.iotype = pdata->iotype; + serial_req.flags = pdata->flags; + gen550_init(num, &serial_req); +#endif +} + +void __init +virtex_early_serial_map(void) +{ +#ifdef CONFIG_SERIAL_8250 + struct plat_serial8250_port *pdata; + int i = 0; + + pdata = virtex_serial_platform_data; + while(pdata && pdata->flags) { + pdata->membase = ioremap(pdata->mapbase, 0x100); + virtex_early_serial_init(i, pdata); + pdata++; + i++; + } +#endif /* CONFIG_SERIAL_8250 */ +} + +/* + * default fixup routine; do nothing and return success. + * + * Reimplement this routine in your custom board support file to + * override the default behaviour + */ +int __attribute__ ((weak)) +virtex_device_fixup(struct platform_device *dev) +{ + return 0; +} + +static int __init virtex_init(void) +{ + struct platform_device *index = virtex_platform_devices; + unsigned int ret = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(virtex_platform_devices); i++, index++) { + if (virtex_device_fixup(index) != 0) + continue; + + if (platform_device_register(index)) { + ret = 1; + printk(KERN_ERR "cannot register dev %s:%d\n", + index->name, index->id); + } + } + return ret; +} + +subsys_initcall(virtex_init); diff --git a/arch/ppc/syslib/virtex_devices.h b/arch/ppc/syslib/virtex_devices.h new file mode 100644 index 000000000000..4a17dd3927c1 --- /dev/null +++ b/arch/ppc/syslib/virtex_devices.h @@ -0,0 +1,27 @@ +/* + * Common support header for virtex ppc405 platforms + * + * Copyright 2007 Secret Lab Technologies Ltd. + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#ifndef __ASM_VIRTEX_DEVICES_H__ +#define __ASM_VIRTEX_DEVICES_H__ + +#include <linux/platform_device.h> + +void __init virtex_early_serial_map(void); + +/* Prototype for device fixup routine. Implement this routine in the + * board specific fixup code and the generic setup code will call it for + * each device is the platform device list. + * + * If the hook returns a non-zero value, then the device will not get + * registered with the platform bus + */ +int virtex_device_fixup(struct platform_device *dev); + +#endif /* __ASM_VIRTEX_DEVICES_H__ */ |