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Diffstat (limited to 'sound/soc/ux500/ux500_msp_i2s.c')
-rw-r--r--sound/soc/ux500/ux500_msp_i2s.c88
1 files changed, 11 insertions, 77 deletions
diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c
index f2db6c90a9e..1ca8b08ae99 100644
--- a/sound/soc/ux500/ux500_msp_i2s.c
+++ b/sound/soc/ux500/ux500_msp_i2s.c
@@ -15,7 +15,6 @@
#include <linux/module.h>
#include <linux/platform_device.h>
-#include <linux/pinctrl/consumer.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/io.h>
@@ -26,9 +25,6 @@
#include "ux500_msp_i2s.h"
-/* MSP1/3 Tx/Rx usage protection */
-static DEFINE_SPINLOCK(msp_rxtx_lock);
-
/* Protocol desciptors */
static const struct msp_protdesc prot_descs[] = {
{ /* I2S */
@@ -356,24 +352,8 @@ static int configure_multichannel(struct ux500_msp *msp,
static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config)
{
- int status = 0, retval = 0;
+ int status = 0;
u32 reg_val_DMACR, reg_val_GCR;
- unsigned long flags;
-
- /* Check msp state whether in RUN or CONFIGURED Mode */
- if (msp->msp_state == MSP_STATE_IDLE) {
- spin_lock_irqsave(&msp_rxtx_lock, flags);
- if (msp->pinctrl_rxtx_ref == 0 &&
- !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_def))) {
- retval = pinctrl_select_state(msp->pinctrl_p,
- msp->pinctrl_def);
- if (retval)
- pr_err("could not set MSP defstate\n");
- }
- if (!retval)
- msp->pinctrl_rxtx_ref++;
- spin_unlock_irqrestore(&msp_rxtx_lock, flags);
- }
/* Configure msp with protocol dependent settings */
configure_protocol(msp, config);
@@ -387,12 +367,14 @@ static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config)
}
/* Make sure the correct DMA-directions are configured */
- if ((config->direction & MSP_DIR_RX) && (!msp->dma_cfg_rx)) {
+ if ((config->direction & MSP_DIR_RX) &&
+ !msp->capture_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP RX-mode is not configured!",
__func__);
return -EINVAL;
}
- if ((config->direction == MSP_DIR_TX) && (!msp->dma_cfg_tx)) {
+ if ((config->direction == MSP_DIR_TX) &&
+ !msp->playback_dma_data.dma_cfg) {
dev_err(msp->dev, "%s: ERROR: MSP TX-mode is not configured!",
__func__);
return -EINVAL;
@@ -630,8 +612,7 @@ int ux500_msp_i2s_trigger(struct ux500_msp *msp, int cmd, int direction)
int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
{
- int status = 0, retval = 0;
- unsigned long flags;
+ int status = 0;
dev_dbg(msp->dev, "%s: Enter (dir = 0x%01x).\n", __func__, dir);
@@ -643,18 +624,6 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir)
(~(FRAME_GEN_ENABLE | SRG_ENABLE))),
msp->registers + MSP_GCR);
- spin_lock_irqsave(&msp_rxtx_lock, flags);
- WARN_ON(!msp->pinctrl_rxtx_ref);
- msp->pinctrl_rxtx_ref--;
- if (msp->pinctrl_rxtx_ref == 0 &&
- !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_sleep))) {
- retval = pinctrl_select_state(msp->pinctrl_p,
- msp->pinctrl_sleep);
- if (retval)
- pr_err("could not set MSP sleepstate\n");
- }
- spin_unlock_irqrestore(&msp_rxtx_lock, flags);
-
writel(0, msp->registers + MSP_GCR);
writel(0, msp->registers + MSP_TCF);
writel(0, msp->registers + MSP_RCF);
@@ -682,7 +651,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
struct msp_i2s_platform_data *platform_data)
{
struct resource *res = NULL;
- struct i2s_controller *i2s_cont;
struct device_node *np = pdev->dev.of_node;
struct ux500_msp *msp;
@@ -707,8 +675,8 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
msp->id = platform_data->id;
msp->dev = &pdev->dev;
- msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx;
- msp->dma_cfg_tx = platform_data->msp_i2s_dma_tx;
+ msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx;
+ msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (res == NULL) {
@@ -717,6 +685,9 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
return -ENOMEM;
}
+ msp->playback_dma_data.tx_rx_addr = res->start + MSP_DR;
+ msp->capture_dma_data.tx_rx_addr = res->start + MSP_DR;
+
msp->registers = devm_ioremap(&pdev->dev, res->start,
resource_size(res));
if (msp->registers == NULL) {
@@ -727,41 +698,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev,
msp->msp_state = MSP_STATE_IDLE;
msp->loopback_enable = 0;
- /* I2S-controller is allocated and added in I2S controller class. */
- i2s_cont = devm_kzalloc(&pdev->dev, sizeof(*i2s_cont), GFP_KERNEL);
- if (!i2s_cont) {
- dev_err(&pdev->dev,
- "%s: ERROR: Failed to allocate I2S-controller!\n",
- __func__);
- return -ENOMEM;
- }
- i2s_cont->dev.parent = &pdev->dev;
- i2s_cont->data = (void *)msp;
- i2s_cont->id = (s16)msp->id;
- snprintf(i2s_cont->name, sizeof(i2s_cont->name), "ux500-msp-i2s.%04x",
- msp->id);
- dev_dbg(&pdev->dev, "I2S device-name: '%s'\n", i2s_cont->name);
- msp->i2s_cont = i2s_cont;
-
- msp->pinctrl_p = pinctrl_get(msp->dev);
- if (IS_ERR(msp->pinctrl_p))
- dev_err(&pdev->dev, "could not get MSP pinctrl\n");
- else {
- msp->pinctrl_def = pinctrl_lookup_state(msp->pinctrl_p,
- PINCTRL_STATE_DEFAULT);
- if (IS_ERR(msp->pinctrl_def)) {
- dev_err(&pdev->dev,
- "could not get MSP defstate (%li)\n",
- PTR_ERR(msp->pinctrl_def));
- }
- msp->pinctrl_sleep = pinctrl_lookup_state(msp->pinctrl_p,
- PINCTRL_STATE_SLEEP);
- if (IS_ERR(msp->pinctrl_sleep))
- dev_err(&pdev->dev,
- "could not get MSP idlestate (%li)\n",
- PTR_ERR(msp->pinctrl_def));
- }
-
return 0;
}
@@ -769,8 +705,6 @@ void ux500_msp_i2s_cleanup_msp(struct platform_device *pdev,
struct ux500_msp *msp)
{
dev_dbg(msp->dev, "%s: Enter (id = %d).\n", __func__, msp->id);
-
- device_unregister(&msp->i2s_cont->dev);
}
MODULE_LICENSE("GPL v2");