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# ownCloud - News
#
# @author Bernhard Posselt
# @copyright 2012 Bernhard Posselt nukeawhale@gmail.com
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
# License as published by the Free Software Foundation; either
# version 3 of the License, or any later version.
#
# This library 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 AFFERO GENERAL PUBLIC LICENSE for more details.
#
# You should have received a copy of the GNU Affero General Public
# License along with this library.  If not, see <http://www.gnu.org/licenses/>.

firefox_bin=/usr/bin/firefox
chrome_bin=/usr/bin/chromium
coffee=$(CURDIR)/node_modules/coffee-script/bin/coffee
grunt=$(CURDIR)/node_modules/grunt-cli/bin/grunt
phantomjs=$(CURDIR)/node_modules/phantomjs/bin/phantomjs

all: compile

deps:
	cd $(CURDIR)/
	npm install --deps

watch: compile
	$(coffee) --compile --watch --output $(CURDIR)/build/app $(CURDIR)/app/ & \
	$(coffee) --compile --watch --output $(CURDIR)/build/tests $(CURDIR)/tests/ & \
	$(grunt) --config $(CURDIR)/Gruntfile.coffee run

karma: deps
	export CHROME_BIN=$(chrome_bin) && export FIREFOX_BIN=$(firefox_bin) && \
	$(grunt) --config $(CURDIR)/Gruntfile.coffee karma

karma_phantom: deps
	export PHANTOMJS_BIN=$(phantomjs) && \
	$(grunt) --config $(CURDIR)/Gruntfile.coffee karma:unit_phantom

phpunit: deps
	$(grunt) --config $(CURDIR)/Gruntfile.coffee testphp

compile: deps
	mkdir -p $(CURDIR)/build/app
	mkdir -p $(CURDIR)/build/tests
	mkdir -p $(CURDIR)/public
	$(coffee) --compile --output $(CURDIR)/build/app $(CURDIR)/app/
	$(coffee) --compile --output $(CURDIR)/build/tests $(CURDIR)/tests/
	$(grunt) --config $(CURDIR)/Gruntfile.coffee compile

test: deps compile
	export PHANTOMJS_BIN=$(phantomjs) && \
	$(grunt) --config $(CURDIR)/Gruntfile.coffee ci

clean:
	rm -rf $(CURDIR)/build
	rm -rf $(CURDIR)/node_modules/
	rm -rf $(CURDIR)/test-results.xml
/* sound/soc/samsung/s3c-i2c-v2.c
 *
 * ALSA Soc Audio Layer - I2S core for newer Samsung SoCs.
 *
 * Copyright (c) 2006 Wolfson Microelectronics PLC.
 *	Graeme Gregory graeme.gregory@wolfsonmicro.com
 *	linux@wolfsonmicro.com
 *
 * Copyright (c) 2008, 2007, 2004-2005 Simtec Electronics
 *	http://armlinux.simtec.co.uk/
 *	Ben Dooks <ben@simtec.co.uk>
 *
 * 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/module.h>
#include <linux/delay.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <sound/soc.h>
#include <sound/pcm_params.h>

#include <mach/dma.h>

#include "regs-i2s-v2.h"
#include "s3c-i2s-v2.h"
#include "dma.h"

#undef S3C_IIS_V2_SUPPORTED

#if defined(CONFIG_CPU_S3C2412) || defined(CONFIG_CPU_S3C2413) \
	|| defined(CONFIG_CPU_S5PV210)
#define S3C_IIS_V2_SUPPORTED
#endif

#ifdef CONFIG_PLAT_S3C64XX
#define S3C_IIS_V2_SUPPORTED
#endif

#ifndef S3C_IIS_V2_SUPPORTED
#error Unsupported CPU model
#endif

#define S3C2412_I2S_DEBUG_CON 0

static inline struct s3c_i2sv2_info *to_info(struct snd_soc_dai *cpu_dai)
{
	return snd_soc_dai_get_drvdata(cpu_dai);
}

#define bit_set(v, b) (((v) & (b)) ? 1 : 0)

#if S3C2412_I2S_DEBUG_CON
static void dbg_showcon(const char *fn, u32 con)
{
	printk(KERN_DEBUG "%s: LRI=%d, TXFEMPT=%d, RXFEMPT=%d, TXFFULL=%d, RXFFULL=%d\n", fn,
	       bit_set(con, S3C2412_IISCON_LRINDEX),
	       bit_set(con, S3C2412_IISCON_TXFIFO_EMPTY),
	       bit_set(con, S3C2412_IISCON_RXFIFO_EMPTY),
	       bit_set(con, S3C2412_IISCON_TXFIFO_FULL),
	       bit_set(con, S3C2412_IISCON_RXFIFO_FULL));

	printk(KERN_DEBUG "%s: PAUSE: TXDMA=%d, RXDMA=%d, TXCH=%d, RXCH=%d\n",
	       fn,
	       bit_set(con, S3C2412_IISCON_TXDMA_PAUSE),
	       bit_set(con, S3C2412_IISCON_RXDMA_PAUSE),
	       bit_set(con, S3C2412_IISCON_TXCH_PAUSE),
	       bit_set(con, S3C2412_IISCON_RXCH_PAUSE));
	printk(KERN_DEBUG "%s: ACTIVE: TXDMA=%d, RXDMA=%d, IIS=%d\n", fn,
	       bit_set(con, S3C2412_IISCON_TXDMA_ACTIVE),
	       bit_set(con, S3C2412_IISCON_RXDMA_ACTIVE),
	       bit_set(con, S3C2412_IISCON_IIS_ACTIVE));
}
#else
static inline void dbg_showcon(const char *fn, u32 con)
{
}
#endif


/* Turn on or off the transmission path. */
static void s3c2412_snd_txctrl(struct s3c_i2sv2_info *i2s, int on)
{
	void __iomem *regs = i2s->regs;
	u32 fic, con, mod;

	pr_debug("%s(%d)\n", __func__, on);

	fic = readl(regs + S3C2412_IISFIC);
	con = readl(regs + S3C2412_IISCON);
	mod = readl(regs + S3C2412_IISMOD);

	pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic);

	if (on) {
		con |= S3C2412_IISCON_TXDMA_ACTIVE | S3C2412_IISCON_IIS_ACTIVE;
		con &= ~S3C2412_IISCON_TXDMA_PAUSE;
		con &= ~S3C2412_IISCON_TXCH_PAUSE;

		switch (mod & S3C2412_IISMOD_MODE_MASK) {
		case S3C2412_IISMOD_MODE_TXONLY:
		case S3C2412_IISMOD_MODE_TXRX:
			/* do nothing, we are in the right mode */
			break;

		case S3C2412_IISMOD_MODE_RXONLY:
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			mod |= S3C2412_IISMOD_MODE_TXRX;
			break;

		default:
			dev_err(i2s->dev, "TXEN: Invalid MODE %x in IISMOD\n",
				mod & S3C2412_IISMOD_MODE_MASK);
			break;
		}

		writel(con, regs + S3C2412_IISCON);
		writel(mod, regs + S3C2412_IISMOD);
	} else {
		/* Note, we do not have any indication that the FIFO problems
		 * tha the S3C2410/2440 had apply here, so we should be able
		 * to disable the DMA and TX without resetting the FIFOS.
		 */

		con |=  S3C2412_IISCON_TXDMA_PAUSE;
		con |=  S3C2412_IISCON_TXCH_PAUSE;
		con &= ~S3C2412_IISCON_TXDMA_ACTIVE;

		switch (mod & S3C2412_IISMOD_MODE_MASK) {
		case S3C2412_IISMOD_MODE_TXRX:
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			mod |= S3C2412_IISMOD_MODE_RXONLY;
			break;

		case S3C2412_IISMOD_MODE_TXONLY:
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			con &= ~S3C2412_IISCON_IIS_ACTIVE;
			break;

		default:
			dev_err(i2s->dev, "TXDIS: Invalid MODE %x in IISMOD\n",
				mod & S3C2412_IISMOD_MODE_MASK);
			break;
		}

		writel(mod, regs + S3C2412_IISMOD);
		writel(con, regs + S3C2412_IISCON);
	}

	fic = readl(regs + S3C2412_IISFIC);
	dbg_showcon(__func__, con);
	pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic);
}

static void s3c2412_snd_rxctrl(struct s3c_i2sv2_info *i2s, int on)
{
	void __iomem *regs = i2s->regs;
	u32 fic, con, mod;

	pr_debug("%s(%d)\n", __func__, on);

	fic = readl(regs + S3C2412_IISFIC);
	con = readl(regs + S3C2412_IISCON);
	mod = readl(regs + S3C2412_IISMOD);

	pr_debug("%s: IIS: CON=%x MOD=%x FIC=%x\n", __func__, con, mod, fic);

	if (on) {
		con |= S3C2412_IISCON_RXDMA_ACTIVE | S3C2412_IISCON_IIS_ACTIVE;
		con &= ~S3C2412_IISCON_RXDMA_PAUSE;
		con &= ~S3C2412_IISCON_RXCH_PAUSE;

		switch (mod & S3C2412_IISMOD_MODE_MASK) {
		case S3C2412_IISMOD_MODE_TXRX:
		case S3C2412_IISMOD_MODE_RXONLY:
			/* do nothing, we are in the right mode */
			break;

		case S3C2412_IISMOD_MODE_TXONLY:
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			mod |= S3C2412_IISMOD_MODE_TXRX;
			break;

		default:
			dev_err(i2s->dev, "RXEN: Invalid MODE %x in IISMOD\n",
				mod & S3C2412_IISMOD_MODE_MASK);
		}

		writel(mod, regs + S3C2412_IISMOD);
		writel(con, regs + S3C2412_IISCON);
	} else {
		/* See txctrl notes on FIFOs. */

		con &= ~S3C2412_IISCON_RXDMA_ACTIVE;
		con |=  S3C2412_IISCON_RXDMA_PAUSE;
		con |=  S3C2412_IISCON_RXCH_PAUSE;

		switch (mod & S3C2412_IISMOD_MODE_MASK) {
		case S3C2412_IISMOD_MODE_RXONLY:
			con &= ~S3C2412_IISCON_IIS_ACTIVE;
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			break;

		case S3C2412_IISMOD_MODE_TXRX:
			mod &= ~S3C2412_IISMOD_MODE_MASK;
			mod |= S3C2412_IISMOD_MODE_TXONLY;
			break;

		default:
			dev_err(i2s->dev, "RXDIS: Invalid MODE %x in IISMOD\n",
				mod & S3C2412_IISMOD_MODE_MASK);
		}

		writel(con, regs + S3C2412_IISCON);
		writel(mod