1 files changed, 0 insertions, 425 deletions

diff --git a/sound/soc/blackfin/bf6xx-sport.c b/sound/soc/blackfin/bf6xx-sport.c
deleted file mode 100644
index d2caadfe7b6d..000000000000
--- a/sound/soc/blackfin/bf6xx-sport.c
+++ /dev/null
@@ -1,425 +0,0 @@
-/*
- * bf6xx_sport.c Analog Devices BF6XX SPORT driver
- *
- * Copyright (c) 2012 Analog Devices Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/device.h>
-#include <linux/dma-mapping.h>
-#include <linux/interrupt.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/slab.h>
-
-#include <asm/blackfin.h>
-#include <asm/dma.h>
-#include <asm/portmux.h>
-
-#include "bf6xx-sport.h"
-
-int sport_set_tx_params(struct sport_device *sport,
-			struct sport_params *params)
-{
-	if (sport->tx_regs->spctl & SPORT_CTL_SPENPRI)
-		return -EBUSY;
-	sport->tx_regs->spctl = params->spctl | SPORT_CTL_SPTRAN;
-	sport->tx_regs->div = params->div;
-	SSYNC();
-	return 0;
-}
-EXPORT_SYMBOL(sport_set_tx_params);
-
-int sport_set_rx_params(struct sport_device *sport,
-			struct sport_params *params)
-{
-	if (sport->rx_regs->spctl & SPORT_CTL_SPENPRI)
-		return -EBUSY;
-	sport->rx_regs->spctl = params->spctl & ~SPORT_CTL_SPTRAN;
-	sport->rx_regs->div = params->div;
-	SSYNC();
-	return 0;
-}
-EXPORT_SYMBOL(sport_set_rx_params);
-
-static int compute_wdsize(size_t wdsize)
-{
-	switch (wdsize) {
-	case 1:
-		return WDSIZE_8 | PSIZE_8;
-	case 2:
-		return WDSIZE_16 | PSIZE_16;
-	default:
-		return WDSIZE_32 | PSIZE_32;
-	}
-}
-
-void sport_tx_start(struct sport_device *sport)
-{
-	set_dma_next_desc_addr(sport->tx_dma_chan, sport->tx_desc);
-	set_dma_config(sport->tx_dma_chan, DMAFLOW_LIST | DI_EN
-			| compute_wdsize(sport->wdsize) | NDSIZE_6);
-	enable_dma(sport->tx_dma_chan);
-	sport->tx_regs->spctl |= SPORT_CTL_SPENPRI;
-	SSYNC();
-}
-EXPORT_SYMBOL(sport_tx_start);
-
-void sport_rx_start(struct sport_device *sport)
-{
-	set_dma_next_desc_addr(sport->rx_dma_chan, sport->rx_desc);
-	set_dma_config(sport->rx_dma_chan, DMAFLOW_LIST | DI_EN | WNR
-			| compute_wdsize(sport->wdsize) | NDSIZE_6);
-	enable_dma(sport->rx_dma_chan);
-	sport->rx_regs->spctl |= SPORT_CTL_SPENPRI;
-	SSYNC();
-}
-EXPORT_SYMBOL(sport_rx_start);
-
-void sport_tx_stop(struct sport_device *sport)
-{
-	sport->tx_regs->spctl &= ~SPORT_CTL_SPENPRI;
-	SSYNC();
-	disable_dma(sport->tx_dma_chan);
-}
-EXPORT_SYMBOL(sport_tx_stop);
-
-void sport_rx_stop(struct sport_device *sport)
-{
-	sport->rx_regs->spctl &= ~SPORT_CTL_SPENPRI;
-	SSYNC();
-	disable_dma(sport->rx_dma_chan);
-}
-EXPORT_SYMBOL(sport_rx_stop);
-
-void sport_set_tx_callback(struct sport_device *sport,
-		void (*tx_callback)(void *), void *tx_data)
-{
-	sport->tx_callback = tx_callback;
-	sport->tx_data = tx_data;
-}
-EXPORT_SYMBOL(sport_set_tx_callback);
-
-void sport_set_rx_callback(struct sport_device *sport,
-		void (*rx_callback)(void *), void *rx_data)
-{
-	sport->rx_callback = rx_callback;
-	sport->rx_data = rx_data;
-}
-EXPORT_SYMBOL(sport_set_rx_callback);
-
-static void setup_desc(struct dmasg *desc, void *buf, int fragcount,
-		size_t fragsize, unsigned int cfg,
-		unsigned int count, size_t wdsize)
-{
-
-	int i;
-
-	for (i = 0; i < fragcount; ++i) {
-		desc[i].next_desc_addr  = &(desc[i + 1]);
-		desc[i].start_addr = (unsigned long)buf + i * fragsize;
-		desc[i].cfg = cfg;
-		desc[i].x_count = count;
-		desc[i].x_modify = wdsize;
-		desc[i].y_count = 0;
-		desc[i].y_modify = 0;
-	}
-
-	/* make circular */
-	desc[fragcount - 1].next_desc_addr = desc;
-}
-
-int sport_config_tx_dma(struct sport_device *sport, void *buf,
-		int fragcount, size_t fragsize)
-{
-	unsigned int count;
-	unsigned int cfg;
-	dma_addr_t addr;
-
-	count = fragsize / sport->wdsize;
-
-	if (sport->tx_desc)
-		dma_free_coherent(NULL, sport->tx_desc_size,
-				sport->tx_desc, 0);
-
-	sport->tx_desc = dma_alloc_coherent(NULL,
-			fragcount * sizeof(struct dmasg), &addr, 0);
-	sport->tx_desc_size = fragcount * sizeof(struct dmasg);
-	if (!sport->tx_desc)
-		return -ENOMEM;
-
-	sport->tx_buf = buf;
-	sport->tx_fragsize = fragsize;
-	sport->tx_frags = fragcount;
-	cfg = DMAFLOW_LIST | DI_EN | compute_wdsize(sport->wdsize) | NDSIZE_6;
-
-	setup_desc(sport->tx_desc, buf, fragcount, fragsize,
-		   cfg | DMAEN, count, sport->wdsize);
-	return 0;
-}
-EXPORT_SYMBOL(sport_config_tx_dma);
-
-int sport_config_rx_dma(struct sport_device *sport, void *buf,
-		int fragcount, size_t fragsize)
-{
-	unsigned int count;
-	unsigned int cfg;
-	dma_addr_t addr;
-
-	count = fragsize / sport->wdsize;
-
-	if (sport->rx_desc)
-		dma_free_coherent(NULL, sport->rx_desc_size,
-				sport->rx_desc, 0);
-
-	sport->rx_desc = dma_alloc_coherent(NULL,
-			fragcount * sizeof(struct dmasg), &addr, 0);
-	sport->rx_desc_size = fragcount * sizeof(struct dmasg);
-	if (!sport->rx_desc)
-		return -ENOMEM;
-
-	sport->rx_buf = buf;
-	sport->rx_fragsize = fragsize;
-	sport->rx_frags = fragcount;
-	cfg = DMAFLOW_LIST | DI_EN | compute_wdsize(sport->wdsize)
-		| WNR | NDSIZE_6;
-
-	setup_desc(sport->rx_desc, buf, fragcount, fragsize,
-		   cfg | DMAEN, count, sport->wdsize);
-	return 0;
-}
-EXPORT_SYMBOL(sport_config_rx_dma);
-
-unsigned long sport_curr_offset_tx(struct sport_device *sport)
-{
-	unsigned long curr = get_dma_curr_addr(sport->tx_dma_chan);
-
-	return (unsigned char *)curr - sport->tx_buf;
-}
-EXPORT_SYMBOL(sport_curr_offset_tx);
-
-unsigned long sport_curr_offset_rx(struct sport_device *sport)
-{
-	unsigned long curr = get_dma_curr_addr(sport->rx_dma_chan);
-
-	return (unsigned char *)curr - sport->rx_buf;
-}
-EXPORT_SYMBOL(sport_curr_offset_rx);
-
-static irqreturn_t sport_tx_irq(int irq, void *dev_id)
-{
-	struct sport_device *sport = dev_id;
-	static unsigned long status;
-
-	status = get_dma_curr_irqstat(sport->tx_dma_chan);
-	if (status & (DMA_DONE | DMA_ERR)) {
-		clear_dma_irqstat(sport->tx_dma_chan);
-		SSYNC();
-	}
-	if (sport->tx_callback)
-		sport->tx_callback(sport->tx_data);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t sport_rx_irq(int irq, void *dev_id)
-{
-	struct sport_device *sport = dev_id;
-	unsigned long status;
-
-	status = get_dma_curr_irqstat(sport->rx_dma_chan);
-	if (status & (DMA_DONE | DMA_ERR)) {
-		clear_dma_irqstat(sport->rx_dma_chan);
-		SSYNC();
-	}
-	if (sport->rx_callback)
-		sport->rx_callback(sport->rx_data);
-	return IRQ_HANDLED;
-}
-
-static irqreturn_t sport_err_irq(int irq, void *dev_id)
-{
-	struct sport_device *sport = dev_id;
-	struct device *dev = &sport->pdev->dev;
-
-	if (sport->tx_regs->spctl & SPORT_CTL_DERRPRI)
-		dev_err(dev, "sport error: TUVF\n");
-	if (sport->rx_regs->spctl & SPORT_CTL_DERRPRI)
-		dev_err(dev, "sport error: ROVF\n");
-
-	return IRQ_HANDLED;
-}
-
-static int sport_get_resource(struct sport_device *sport)
-{
-	struct platform_device *pdev = sport->pdev;
-	struct device *dev = &pdev->dev;
-	struct bfin_snd_platform_data *pdata = dev->platform_data;
-	struct resource *res;
-
-	if (!pdata) {
-		dev_err(dev, "No platform data\n");
-		return -ENODEV;
-	}
-	sport->pin_req = pdata->pin_req;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res) {
-		dev_err(dev, "No tx MEM resource\n");
-		return -ENODEV;
-	}
-	sport->tx_regs = (struct sport_register *)res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!res) {
-		dev_err(dev, "No rx MEM resource\n");
-		return -ENODEV;
-	}
-	sport->rx_regs = (struct sport_register *)res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
-	if (!res) {
-		dev_err(dev, "No tx DMA resource\n");
-		return -ENODEV;
-	}
-	sport->tx_dma_chan = res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
-	if (!res) {
-		dev_err(dev, "No rx DMA resource\n");
-		return -ENODEV;
-	}
-	sport->rx_dma_chan = res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
-	if (!res) {
-		dev_err(dev, "No tx error irq resource\n");
-		return -ENODEV;
-	}
-	sport->tx_err_irq = res->start;
-
-	res = platform_get_resource(pdev, IORESOURCE_IRQ, 1);
-	if (!res) {
-		dev_err(dev, "No rx error irq resource\n");
-		return -ENODEV;
-	}
-	sport->rx_err_irq = res->start;
-
-	return 0;
-}
-
-static int sport_request_resource(struct sport_device *sport)
-{
-	struct device *dev = &sport->pdev->dev;
-	int ret;
-
-	ret = peripheral_request_list(sport->pin_req, "soc-audio");
-	if (ret) {
-		dev_err(dev, "Unable to request sport pin\n");
-		return ret;
-	}
-
-	ret = request_dma(sport->tx_dma_chan, "SPORT TX Data");
-	if (ret) {
-		dev_err(dev, "Unable to allocate DMA channel for sport tx\n");
-		goto err_tx_dma;
-	}
-	set_dma_callback(sport->tx_dma_chan, sport_tx_irq, sport);
-
-	ret = request_dma(sport->rx_dma_chan, "SPORT RX Data");
-	if (ret) {
-		dev_err(dev, "Unable to allocate DMA channel for sport rx\n");
-		goto err_rx_dma;
-	}
-	set_dma_callback(sport->rx_dma_chan, sport_rx_irq, sport);
-
-	ret = request_irq(sport->tx_err_irq, sport_err_irq,
-			0, "SPORT TX ERROR", sport);
-	if (ret) {
-		dev_err(dev, "Unable to allocate tx error IRQ for sport\n");
-		goto err_tx_irq;
-	}
-
-	ret = request_irq(sport->rx_err_irq, sport_err_irq,
-			0, "SPORT RX ERROR", sport);
-	if (ret) {
-		dev_err(dev, "Unable to allocate rx error IRQ for sport\n");
-		goto err_rx_irq;
-	}
-
-	return 0;
-err_rx_irq:
-	free_irq(sport->tx_err_irq, sport);
-err_tx_irq:
-	free_dma(sport->rx_dma_chan);
-err_rx_dma:
-	free_dma(sport->tx_dma_chan);
-err_tx_dma:
-	peripheral_free_list(sport->pin_req);
-	return ret;
-}
-
-static void sport_free_resource(struct sport_device *sport)
-{
-	free_irq(sport->rx_err_irq, sport);
-	free_irq(sport->tx_err_irq, sport);
-	free_dma(sport->rx_dma_chan);
-	free_dma(sport->tx_dma_chan);
-	peripheral_free_list(sport->pin_req);
-}
-
-struct sport_device *sport_create(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct sport_device *sport;
-	int ret;
-
-	sport = kzalloc(sizeof(*sport), GFP_KERNEL);
-	if (!sport)
-		return NULL;
-
-	sport->pdev = pdev;
-
-	ret = sport_get_resource(sport);
-	if (ret)
-		goto free_data;
-
-	ret = sport_request_resource(sport);
-	if (ret)
-		goto free_data;
-
-	dev_dbg(dev, "SPORT create success\n");
-	return sport;
-free_data:
-	kfree(sport);
-	return NULL;
-}
-EXPORT_SYMBOL(sport_create);
-
-void sport_delete(struct sport_device *sport)
-{
-	if (sport->tx_desc)
-		dma_free_coherent(NULL, sport->tx_desc_size,
-				sport->tx_desc, 0);
-	if (sport->rx_desc)
-		dma_free_coherent(NULL, sport->rx_desc_size,
-				sport->rx_desc, 0);
-	sport_free_resource(sport);
-	kfree(sport);
-}
-EXPORT_SYMBOL(sport_delete);
-
-MODULE_DESCRIPTION("Analog Devices BF6XX SPORT driver");
-MODULE_AUTHOR("Scott Jiang <Scott.Jiang.Linux@gmail.com>");
-MODULE_LICENSE("GPL v2");