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-rw-r--r--sound/soc/sh/rcar/dma.c109
1 files changed, 67 insertions, 42 deletions
diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c
index d65ea7bc4dac..6d1947515dc8 100644
--- a/sound/soc/sh/rcar/dma.c
+++ b/sound/soc/sh/rcar/dma.c
@@ -106,9 +106,9 @@ static int rsnd_dmaen_stop(struct rsnd_mod *mod,
return 0;
}
-static int rsnd_dmaen_nolock_stop(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
+static int rsnd_dmaen_cleanup(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
@@ -116,7 +116,7 @@ static int rsnd_dmaen_nolock_stop(struct rsnd_mod *mod,
/*
* DMAEngine release uses mutex lock.
* Thus, it shouldn't be called under spinlock.
- * Let's call it under nolock_start
+ * Let's call it under prepare
*/
if (dmaen->chan)
dma_release_channel(dmaen->chan);
@@ -126,23 +126,22 @@ static int rsnd_dmaen_nolock_stop(struct rsnd_mod *mod,
return 0;
}
-static int rsnd_dmaen_nolock_start(struct rsnd_mod *mod,
- struct rsnd_dai_stream *io,
- struct rsnd_priv *priv)
+static int rsnd_dmaen_prepare(struct rsnd_mod *mod,
+ struct rsnd_dai_stream *io,
+ struct rsnd_priv *priv)
{
struct rsnd_dma *dma = rsnd_mod_to_dma(mod);
struct rsnd_dmaen *dmaen = rsnd_dma_to_dmaen(dma);
struct device *dev = rsnd_priv_to_dev(priv);
- if (dmaen->chan) {
- dev_err(dev, "it already has dma channel\n");
- return -EIO;
- }
+ /* maybe suspended */
+ if (dmaen->chan)
+ return 0;
/*
* DMAEngine request uses mutex lock.
* Thus, it shouldn't be called under spinlock.
- * Let's call it under nolock_start
+ * Let's call it under prepare
*/
dmaen->chan = rsnd_dmaen_request_channel(io,
dma->mod_from,
@@ -291,8 +290,8 @@ static int rsnd_dmaen_pointer(struct rsnd_mod *mod,
static struct rsnd_mod_ops rsnd_dmaen_ops = {
.name = "audmac",
- .nolock_start = rsnd_dmaen_nolock_start,
- .nolock_stop = rsnd_dmaen_nolock_stop,
+ .prepare = rsnd_dmaen_prepare,
+ .cleanup = rsnd_dmaen_cleanup,
.start = rsnd_dmaen_start,
.stop = rsnd_dmaen_stop,
.pointer= rsnd_dmaen_pointer,
@@ -302,16 +301,26 @@ static struct rsnd_mod_ops rsnd_dmaen_ops = {
* Audio DMAC peri peri
*/
static const u8 gen2_id_table_ssiu[] = {
- 0x00, /* SSI00 */
- 0x04, /* SSI10 */
- 0x08, /* SSI20 */
- 0x0c, /* SSI3 */
- 0x0d, /* SSI4 */
- 0x0e, /* SSI5 */
- 0x0f, /* SSI6 */
- 0x10, /* SSI7 */
- 0x11, /* SSI8 */
- 0x12, /* SSI90 */
+ /* SSI00 ~ SSI07 */
+ 0x00, 0x01, 0x02, 0x03, 0x39, 0x3a, 0x3b, 0x3c,
+ /* SSI10 ~ SSI17 */
+ 0x04, 0x05, 0x06, 0x07, 0x3d, 0x3e, 0x3f, 0x40,
+ /* SSI20 ~ SSI27 */
+ 0x08, 0x09, 0x0a, 0x0b, 0x41, 0x42, 0x43, 0x44,
+ /* SSI30 ~ SSI37 */
+ 0x0c, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b,
+ /* SSI40 ~ SSI47 */
+ 0x0d, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52,
+ /* SSI5 */
+ 0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* SSI6 */
+ 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* SSI7 */
+ 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* SSI8 */
+ 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ /* SSI90 ~ SSI97 */
+ 0x12, 0x13, 0x14, 0x15, 0x53, 0x54, 0x55, 0x56,
};
static const u8 gen2_id_table_scu[] = {
0x2d, /* SCU_SRCI0 */
@@ -337,18 +346,23 @@ static u32 rsnd_dmapp_get_id(struct rsnd_dai_stream *io,
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
const u8 *entry = NULL;
- int id = rsnd_mod_id(mod);
+ int id = 255;
int size = 0;
if (mod == ssi) {
+ int busif = rsnd_ssi_get_busif(io);
+
entry = gen2_id_table_ssiu;
size = ARRAY_SIZE(gen2_id_table_ssiu);
+ id = (rsnd_mod_id(mod) * 8) + busif;
} else if (mod == src) {
entry = gen2_id_table_scu;
size = ARRAY_SIZE(gen2_id_table_scu);
+ id = rsnd_mod_id(mod);
} else if (mod == dvc) {
entry = gen2_id_table_cmd;
size = ARRAY_SIZE(gen2_id_table_cmd);
+ id = rsnd_mod_id(mod);
}
if ((!entry) || (size <= id)) {
@@ -382,7 +396,7 @@ static void rsnd_dmapp_write(struct rsnd_dma *dma, u32 data, u32 reg)
struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv);
struct device *dev = rsnd_priv_to_dev(priv);
- dev_dbg(dev, "w %p : %08x\n", rsnd_dmapp_addr(dmac, dma, reg), data);
+ dev_dbg(dev, "w 0x%px : %08x\n", rsnd_dmapp_addr(dmac, dma, reg), data);
iowrite32(data, rsnd_dmapp_addr(dmac, dma, reg));
}
@@ -491,11 +505,11 @@ static struct rsnd_mod_ops rsnd_dmapp_ops = {
#define RDMA_SSI_I_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0x8)
#define RDMA_SSI_O_N(addr, i) (addr ##_reg - 0x00300000 + (0x40 * i) + 0xc)
-#define RDMA_SSIU_I_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
-#define RDMA_SSIU_O_N(addr, i) (addr ##_reg - 0x00441000 + (0x1000 * i))
+#define RDMA_SSIU_I_N(addr, i, j) (addr ##_reg - 0x00441000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
+#define RDMA_SSIU_O_N(addr, i, j) RDMA_SSIU_I_N(addr, i, j)
-#define RDMA_SSIU_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
-#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
+#define RDMA_SSIU_I_P(addr, i, j) (addr ##_reg - 0x00141000 + (0x1000 * (i)) + (((j) / 4) * 0xA000) + (((j) % 4) * 0x400))
+#define RDMA_SSIU_O_P(addr, i, j) RDMA_SSIU_I_P(addr, i, j)
#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
@@ -521,6 +535,7 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
!!rsnd_io_to_mod_mix(io) ||
!!rsnd_io_to_mod_ctu(io);
int id = rsnd_mod_id(mod);
+ int busif = rsnd_ssi_get_busif(io);
struct dma_addr {
dma_addr_t out_addr;
dma_addr_t in_addr;
@@ -537,25 +552,35 @@ rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
},
/* SSI */
/* Capture */
- {{{ RDMA_SSI_O_N(ssi, id), 0 },
- { RDMA_SSIU_O_P(ssi, id), 0 },
- { RDMA_SSIU_O_P(ssi, id), 0 } },
+ {{{ RDMA_SSI_O_N(ssi, id), 0 },
+ { RDMA_SSIU_O_P(ssi, id, busif), 0 },
+ { RDMA_SSIU_O_P(ssi, id, busif), 0 } },
/* Playback */
- {{ 0, RDMA_SSI_I_N(ssi, id) },
- { 0, RDMA_SSIU_I_P(ssi, id) },
- { 0, RDMA_SSIU_I_P(ssi, id) } }
+ {{ 0, RDMA_SSI_I_N(ssi, id) },
+ { 0, RDMA_SSIU_I_P(ssi, id, busif) },
+ { 0, RDMA_SSIU_I_P(ssi, id, busif) } }
},
/* SSIU */
/* Capture */
- {{{ RDMA_SSIU_O_N(ssi, id), 0 },
- { RDMA_SSIU_O_P(ssi, id), 0 },
- { RDMA_SSIU_O_P(ssi, id), 0 } },
+ {{{ RDMA_SSIU_O_N(ssi, id, busif), 0 },
+ { RDMA_SSIU_O_P(ssi, id, busif), 0 },
+ { RDMA_SSIU_O_P(ssi, id, busif), 0 } },
/* Playback */
- {{ 0, RDMA_SSIU_I_N(ssi, id) },
- { 0, RDMA_SSIU_I_P(ssi, id) },
- { 0, RDMA_SSIU_I_P(ssi, id) } } },
+ {{ 0, RDMA_SSIU_I_N(ssi, id, busif) },
+ { 0, RDMA_SSIU_I_P(ssi, id, busif) },
+ { 0, RDMA_SSIU_I_P(ssi, id, busif) } } },
};
+ /*
+ * FIXME
+ *
+ * We can't support SSI9-4/5/6/7, because its address is
+ * out of calculation rule
+ */
+ if ((id == 9) && (busif >= 4))
+ dev_err(dev, "This driver doesn't support SSI%d-%d, so far",
+ id, busif);
+
/* it shouldn't happen */
if (use_cmd && !use_src)
dev_err(dev, "DVC is selected without SRC\n");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.