emuproc.c

linux-2.6.15.6

/*
 *  Copyright (c) by Jaroslav Kysela <[e-mail]>
 *                   Creative Labs, Inc.
 *  Routines for control of EMU10K1 chips / proc interface routines
 *
 *  BUGS:
 *    --
 *
 *  TODO:
 *    --
 *
 *   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.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 *
 */

#include <sound/driver.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <sound/core.h>
#include <sound/emu10k1.h>
#include "p16v.h"

static void snd_emu10k1_proc_spdif_status(emu10k1_t * emu,
					  snd_info_buffer_t * buffer,
					  char *title,
					  int status_reg,
					  int rate_reg)
{
	static char *clkaccy[4] = { "1000ppm", "50ppm", "variable", "unknown" };
	static int samplerate[16] = { 44100, 1, 48000, 32000, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
	static char *channel[16] = { "unspec", "left", "right", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15" };
	static char *emphasis[8] = { "none", "50/15 usec 2 channel", "2", "3", "4", "5", "6", "7" };
	unsigned int status, rate = 0;
	
	status = snd_emu10k1_ptr_read(emu, status_reg, 0);

	snd_iprintf(buffer, "\n%s\n", title);

	if (status != 0xffffffff) {
		snd_iprintf(buffer, "Professional Mode     : %s\n", (status & SPCS_PROFESSIONAL) ? "yes" : "no");
		snd_iprintf(buffer, "Not Audio Data        : %s\n", (status & SPCS_NOTAUDIODATA) ? "yes" : "no");
		snd_iprintf(buffer, "Copyright             : %s\n", (status & SPCS_COPYRIGHT) ? "yes" : "no");
		snd_iprintf(buffer, "Emphasis              : %s\n", emphasis[(status & SPCS_EMPHASISMASK) >> 3]);
		snd_iprintf(buffer, "Mode                  : %i\n", (status & SPCS_MODEMASK) >> 6);
		snd_iprintf(buffer, "Category Code         : 0x%x\n", (status & SPCS_CATEGORYCODEMASK) >> 8);
		snd_iprintf(buffer, "Generation Status     : %s\n", status & SPCS_GENERATIONSTATUS ? "original" : "copy");
		snd_iprintf(buffer, "Source Mask           : %i\n", (status & SPCS_SOURCENUMMASK) >> 16);
		snd_iprintf(buffer, "Channel Number        : %s\n", channel[(status & SPCS_CHANNELNUMMASK) >> 20]);
		snd_iprintf(buffer, "Sample Rate           : %iHz\n", samplerate[(status & SPCS_SAMPLERATEMASK) >> 24]);
		snd_iprintf(buffer, "Clock Accuracy        : %s\n", clkaccy[(status & SPCS_CLKACCYMASK) >> 28]);

		if (rate_reg > 0) {
			rate = snd_emu10k1_ptr_read(emu, rate_reg, 0);
			snd_iprintf(buffer, "S/PDIF Valid          : %s\n", rate & SRCS_SPDIFVALID ? "on" : "off");
			snd_iprintf(buffer, "S/PDIF Locked         : %s\n", rate & SRCS_SPDIFLOCKED ? "on" : "off");
			snd_iprintf(buffer, "Rate Locked           : %s\n", rate & SRCS_RATELOCKED ? "on" : "off");
			/* From ((Rate * 48000 ) / 262144); */
			snd_iprintf(buffer, "Estimated Sample Rate : %d\n", ((rate & 0xFFFFF ) * 375) >> 11); 
		}
	} else {
		snd_iprintf(buffer, "No signal detected.\n");
	}

}

static void snd_emu10k1_proc_read(snd_info_entry_t *entry, 
				  snd_info_buffer_t * buffer)
{
	/* FIXME - output names are in emufx.c too */
	static char *creative_outs[32] = {
		/* 00 */ "AC97 Left",
		/* 01 */ "AC97 Right",
		/* 02 */ "Optical IEC958 Left",
		/* 03 */ "Optical IEC958 Right",
		/* 04 */ "Center",
		/* 05 */ "LFE",
		/* 06 */ "Headphone Left",
		/* 07 */ "Headphone Right",
		/* 08 */ "Surround Left",
		/* 09 */ "Surround Right",
		/* 10 */ "PCM Capture Left",
		/* 11 */ "PCM Capture Right",
		/* 12 */ "MIC Capture",
		/* 13 */ "AC97 Surround Left",
		/* 14 */ "AC97 Surround Right",
		/* 15 */ "???",
		/* 16 */ "???",
		/* 17 */ "Analog Center",
		/* 18 */ "Analog LFE",
		/* 19 */ "???",
		/* 20 */ "???",
		/* 21 */ "???",
		/* 22 */ "???",
		/* 23 */ "???",
		/* 24 */ "???",
		/* 25 */ "???",
		/* 26 */ "???",
		/* 27 */ "???",
		/* 28 */ "???",
		/* 29 */ "???",
		/* 30 */ "???",
		/* 31 */ "???"
	};

	static char *audigy_outs[64] = {
		/* 00 */ "Digital Front Left",
		/* 01 */ "Digital Front Right",
		/* 02 */ "Digital Center",
		/* 03 */ "Digital LEF",
		/* 04 */ "Headphone Left",
		/* 05 */ "Headphone Right",
		/* 06 */ "Digital Rear Left",
		/* 07 */ "Digital Rear Right",
		/* 08 */ "Front Left",
		/* 09 */ "Front Right",
		/* 10 */ "Center",
		/* 11 */ "LFE",
		/* 12 */ "???",
		/* 13 */ "???",
		/* 14 */ "Rear Left",
		/* 15 */ "Rear Right",
		/* 16 */ "AC97 Front Left",
		/* 17 */ "AC97 Front Right",
		/* 18 */ "ADC Caputre Left",
		/* 19 */ "ADC Capture Right",
		/* 20 */ "???",
		/* 21 */ "???",
		/* 22 */ "???",
		/* 23 */ "???",
		/* 24 */ "???",
		/* 25 */ "???",
		/* 26 */ "???",
		/* 27 */ "???",
		/* 28 */ "???",
		/* 29 */ "???",
		/* 30 */ "???",
		/* 31 */ "???",
		/* 32 */ "FXBUS2_0",
		/* 33 */ "FXBUS2_1",
		/* 34 */ "FXBUS2_2",
		/* 35 */ "FXBUS2_3",
		/* 36 */ "FXBUS2_4",
		/* 37 */ "FXBUS2_5",
		/* 38 */ "FXBUS2_6",
		/* 39 */ "FXBUS2_7",
		/* 40 */ "FXBUS2_8",
		/* 41 */ "FXBUS2_9",
		/* 42 */ "FXBUS2_10",
		/* 43 */ "FXBUS2_11",
		/* 44 */ "FXBUS2_12",
		/* 45 */ "FXBUS2_13",
		/* 46 */ "FXBUS2_14",
		/* 47 */ "FXBUS2_15",
		/* 48 */ "FXBUS2_16",
		/* 49 */ "FXBUS2_17",
		/* 50 */ "FXBUS2_18",
		/* 51 */ "FXBUS2_19",
		/* 52 */ "FXBUS2_20",
		/* 53 */ "FXBUS2_21",
		/* 54 */ "FXBUS2_22",
		/* 55 */ "FXBUS2_23",
		/* 56 */ "FXBUS2_24",
		/* 57 */ "FXBUS2_25",
		/* 58 */ "FXBUS2_26",
		/* 59 */ "FXBUS2_27",
		/* 60 */ "FXBUS2_28",
		/* 61 */ "FXBUS2_29",
		/* 62 */ "FXBUS2_30",
		/* 63 */ "FXBUS2_31"
	};

	emu10k1_t *emu = entry->private_data;
	unsigned int val, val1;
	int nefx = emu->audigy ? 64 : 32;
	char **outputs = emu->audigy ? audigy_outs : creative_outs;
	int idx;
	
	snd_iprintf(buffer, "EMU10K1\n\n");
	snd_iprintf(buffer, "Card                  : %s\n",
		    emu->audigy ? "Audigy" : (emu->card_capabilities->ecard ? "EMU APS" : "Creative"));
	snd_iprintf(buffer, "Internal TRAM (words) : 0x%x\n", emu->fx8010.itram_size);
	snd_iprintf(buffer, "External TRAM (words) : 0x%x\n", (int)emu->fx8010.etram_pages.bytes / 2);
	snd_iprintf(buffer, "\n");
	snd_iprintf(buffer, "Effect Send Routing   :\n");
	for (idx = 0; idx < NUM_G; idx++) {
		val = emu->audigy ?
			snd_emu10k1_ptr_read(emu, A_FXRT1, idx) :
			snd_emu10k1_ptr_read(emu, FXRT, idx);
		val1 = emu->audigy ?
			snd_emu10k1_ptr_read(emu, A_FXRT2, idx) :
			0;
		if (emu->audigy) {
			snd_iprintf(buffer, "Ch%i: A=%i, B=%i, C=%i, D=%i, ",
				idx,
				val & 0x3f,
				(val >> 8) & 0x3f,
				(val >> 16) & 0x3f,
				(val >> 24) & 0x3f);
			snd_iprintf(buffer, "E=%i, F=%i, G=%i, H=%i\n",
				val1 & 0x3f,
				(val1 >> 8) & 0x3f,
				(val1 >> 16) & 0x3f,
				(val1 >> 24) & 0x3f);
		} else {
			snd_iprintf(buffer, "Ch%i: A=%i, B=%i, C=%i, D=%i\n",
				idx,
				(val >> 16) & 0x0f,
				(val >> 20) & 0x0f,
				(val >> 24) & 0x0f,
				(val >> 28) & 0x0f);
		}
	}
	snd_iprintf(buffer, "\nCaptured FX Outputs   :\n");
	for (idx = 0; idx < nefx; idx++) {
		if (emu->efx_voices_mask[idx/32] & (1 << (idx%32)))
			snd_iprintf(buffer, "  Output %02i [%s]\n", idx, outputs[idx]);
	}
	snd_iprintf(buffer, "\nAll FX Outputs        :\n");
	for (idx = 0; idx < (emu->audigy ? 64 : 32); idx++)
		snd_iprintf(buffer, "  Output %02i [%s]\n", idx, outputs[idx]);
}

static void snd_emu10k1_proc_spdif_read(snd_info_entry_t *entry, 
				  snd_info_buffer_t * buffer)
{
	emu10k1_t *emu = entry->private_data;
	snd_emu10k1_proc_spdif_status(emu, buffer, "CD-ROM S/PDIF In", CDCS, CDSRCS);
	snd_emu10k1_proc_spdif_status(emu, buffer, "Optical or Coax S/PDIF In", GPSCS, GPSRCS);
#if 0
	val = snd_emu10k1_ptr_read(emu, ZVSRCS, 0);
	snd_iprintf(buffer, "\nZoomed Video\n");
	snd_iprintf(buffer, "Rate Locked           : %s\n", val & SRCS_RATELOCKED ? "on" : "off");
	snd_iprintf(buffer, "Estimated Sample Rate : 0x%x\n", val & SRCS_ESTSAMPLERATE);
#endif
}

static void snd_emu10k1_proc_rates_read(snd_info_entry_t *entry, 
				  snd_info_buffer_t * buffer)
{
	static int samplerate[8] = { 44100, 48000, 96000, 192000, 4, 5, 6, 7 };
	emu10k1_t *emu = entry->private_data;
	unsigned int val, tmp, n;
	val = snd_emu10k1_ptr20_read(emu, CAPTURE_RATE_STATUS, 0);
	tmp = (val >> 16) & 0x8;
	for (n=0;n<4;n++) {
		tmp = val >> (16 + (n*4));
		if (tmp & 0x8) snd_iprintf(buffer, "Channel %d: Rate=%d\n", n, samplerate[tmp & 0x7]);
		else snd_iprintf(buffer, "Channel %d: No input\n", n);
	}
}

static void snd_emu10k1_proc_acode_read(snd_info_entry_t *entry, 
				        snd_info_buffer_t * buffer)
{
	u32 pc;
	emu10k1_t *emu = entry->private_data;

	snd_iprintf(buffer, "FX8010 Instruction List '%s'\n", emu->fx8010.name);
	snd_iprintf(buffer, "  Code dump      :\n");
	for (pc = 0; pc < (emu->audigy ? 1024 : 512); pc++) {
		u32 low, high;
			
		low = snd_emu10k1_efx_read(emu, pc * 2);
		high = snd_emu10k1_efx_read(emu, pc * 2 + 1);
		if (emu->audigy)
			snd_iprintf(buffer, "    OP(0x%02x, 0x%03x, 0x%03x, 0x%03x, 0x%03x) /* 0x%04x: 0x%08x%08x */\n",
				    (high >> 24) & 0x0f,
				    (high >> 12) & 0x7ff,
				    (high >> 0) & 0x7ff,
				    (low >> 12) & 0x7ff,
				    (low >> 0) & 0x7ff,
				    pc,
				    high, low);
		else
			snd_iprintf(buffer, "    OP(0x%02x, 0x%03x, 0x%03x, 0x%03x, 0x%03x) /* 0x%04x: 0x%08x%08x */\n",
				    (high >> 20) & 0x0f,
				    (high >> 10) & 0x3ff,
				    (high >> 0) & 0x3ff,
				    (low >> 10) & 0x3ff,
				    (low >> 0) & 0x3ff,
				    pc,
				    high, low);
	}
}

#define TOTAL_SIZE_GPR		(0x100*4)
#define A_TOTAL_SIZE_GPR	(0x200*4)
#define TOTAL_SIZE_TANKMEM_DATA	(0xa0*4)
#define TOTAL_SIZE_TANKMEM_ADDR (0xa0*4)
#define A_TOTAL_SIZE_TANKMEM_DATA (0x100*4)
#define A_TOTAL_SIZE_TANKMEM_ADDR (0x100*4)
#define TOTAL_SIZE_CODE		(0x200*8)
#define A_TOTAL_SIZE_CODE	(0x400*8)