#define SRC_NAME "src"
+/* SRCx_STATUS */
+#define OUF_SRCO ((1 << 12) | (1 << 13))
+#define OUF_SRCI ((1 << 9) | (1 << 8))
+
+/* SCU_SYSTEM_STATUS0/1 */
+#define OUF_SRC(id) ((1 << (id + 16)) | (1 << id))
+
struct rsnd_src {
struct rsnd_src_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
struct clk *clk;
+ int err;
};
#define RSND_SRC_NAME_SIZE 16
clk_prepare_enable(src->clk);
+ src->err = 0;
+
/*
* Initialize the operation of the SRC internal circuits
* see rsnd_src_start()
struct rsnd_dai *rdai)
{
struct rsnd_src *src = rsnd_mod_to_src(mod);
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
clk_disable_unprepare(src->clk);
+ if (src->err)
+ dev_warn(dev, "src under/over flow err = %d\n", src->err);
+
return 0;
}
/*
* Gen2 functions
*/
+#define rsnd_src_irq_enable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 1)
+#define rsnd_src_irq_disable_gen2(mod) rsnd_src_irq_ctrol_gen2(mod, 0)
+static void rsnd_src_irq_ctrol_gen2(struct rsnd_mod *mod, int enable)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 sys_int_val, int_val, sys_int_mask;
+ int irq = src->info->irq;
+ int id = rsnd_mod_id(mod);
+
+ sys_int_val =
+ sys_int_mask = OUF_SRC(id);
+ int_val = 0x3300;
+
+ /*
+ * IRQ is not supported on non-DT
+ * see
+ * rsnd_src_probe_gen2()
+ */
+ if ((irq <= 0) || !enable) {
+ sys_int_val = 0;
+ int_val = 0;
+ }
+
+ rsnd_mod_write(mod, SRC_INT_ENABLE0, int_val);
+ rsnd_mod_bset(mod, SCU_SYS_INT_EN0, sys_int_mask, sys_int_val);
+ rsnd_mod_bset(mod, SCU_SYS_INT_EN1, sys_int_mask, sys_int_val);
+}
+
+static void rsnd_src_error_clear_gen2(struct rsnd_mod *mod)
+{
+ u32 val = OUF_SRC(rsnd_mod_id(mod));
+
+ rsnd_mod_bset(mod, SCU_SYS_STATUS0, val, val);
+ rsnd_mod_bset(mod, SCU_SYS_STATUS1, val, val);
+}
+
+static bool rsnd_src_error_record_gen2(struct rsnd_mod *mod)
+{
+ u32 val = OUF_SRC(rsnd_mod_id(mod));
+ bool ret = false;
+
+ if ((rsnd_mod_read(mod, SCU_SYS_STATUS0) & val) ||
+ (rsnd_mod_read(mod, SCU_SYS_STATUS1) & val)) {
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ src->err++;
+ ret = true;
+ }
+
+ /* clear error static */
+ rsnd_src_error_clear_gen2(mod);
+
+ return ret;
+}
+
+static int _rsnd_src_start_gen2(struct rsnd_mod *mod)
+{
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
+
+ rsnd_mod_write(mod, SRC_CTRL, val);
+
+ rsnd_src_error_clear_gen2(mod);
+
+ rsnd_src_start(mod);
+
+ rsnd_src_irq_enable_gen2(mod);
+
+ return 0;
+}
+
+static int _rsnd_src_stop_gen2(struct rsnd_mod *mod)
+{
+ rsnd_src_irq_disable_gen2(mod);
+
+ rsnd_mod_write(mod, SRC_CTRL, 0);
+
+ rsnd_src_error_record_gen2(mod);
+
+ return rsnd_src_stop(mod);
+}
+
+static irqreturn_t rsnd_src_interrupt_gen2(int irq, void *data)
+{
+ struct rsnd_mod *mod = data;
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+
+ if (!io)
+ return IRQ_NONE;
+
+ if (rsnd_src_error_record_gen2(mod)) {
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ _rsnd_src_stop_gen2(mod);
+ _rsnd_src_start_gen2(mod);
+
+ dev_dbg(dev, "%s[%d] restart\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
+ }
+
+ return IRQ_HANDLED;
+}
+
static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
struct rsnd_src *src = rsnd_mod_to_src(mod);
struct device *dev = rsnd_priv_to_dev(priv);
+ int irq = src->info->irq;
int ret;
+ if (irq > 0) {
+ /*
+ * IRQ is not supported on non-DT
+ * see
+ * rsnd_src_irq_enable_gen2()
+ */
+ ret = devm_request_irq(dev, irq,
+ rsnd_src_interrupt_gen2,
+ IRQF_SHARED,
+ dev_name(dev), mod);
+ if (ret)
+ goto rsnd_src_probe_gen2_fail;
+ }
+
ret = rsnd_dma_init(priv,
rsnd_mod_to_dma(mod),
rsnd_info_is_playback(priv, src),
src->info->dma_id);
- if (ret < 0)
- dev_err(dev, "%s[%d] (Gen2) failed\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
- else
- dev_dbg(dev, "%s[%d] (Gen2) is probed\n",
- rsnd_mod_name(mod), rsnd_mod_id(mod));
+ if (ret)
+ goto rsnd_src_probe_gen2_fail;
+
+ dev_dbg(dev, "%s[%d] (Gen2) is probed\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
+
+ return ret;
+
+rsnd_src_probe_gen2_fail:
+ dev_err(dev, "%s[%d] (Gen2) failed\n",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
return ret;
}
static int rsnd_src_start_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
- struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
- struct rsnd_src *src = rsnd_mod_to_src(mod);
- u32 val = rsnd_io_to_mod_dvc(io) ? 0x01 : 0x11;
-
- rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
+ rsnd_dma_start(rsnd_mod_to_dma(mod));
- rsnd_mod_write(mod, SRC_CTRL, val);
-
- return rsnd_src_start(mod);
+ return _rsnd_src_start_gen2(mod);
}
static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
- struct rsnd_src *src = rsnd_mod_to_src(mod);
+ int ret;
- rsnd_mod_write(mod, SRC_CTRL, 0);
+ ret = _rsnd_src_stop_gen2(mod);
- rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
+ rsnd_dma_stop(rsnd_mod_to_dma(mod));
- return rsnd_src_stop(mod);
+ return ret;
}
static struct rsnd_mod_ops rsnd_src_gen2_ops = {
struct rsnd_priv *priv)
{
struct device_node *src_node;
+ struct device_node *np;
struct rcar_snd_info *info = rsnd_priv_to_info(priv);
struct rsnd_src_platform_info *src_info;
struct device *dev = &pdev->dev;
- int nr;
+ int nr, i;
if (!of_data)
return;
info->src_info = src_info;
info->src_info_nr = nr;
+ i = 0;
+ for_each_child_of_node(src_node, np) {
+ src_info[i].irq = irq_of_parse_and_map(np, 0);
+
+ i++;
+ }
+
rsnd_of_parse_src_end:
of_node_put(src_node);
}
projects / deliverable / linux.git / blobdiff