|
@@ -32,7 +32,6 @@ static void rsnd_dma_complete(void *data)
|
|
|
}
|
|
|
|
|
|
#define DMA_NAME_SIZE 16
|
|
|
-#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
|
|
|
static int _rsnd_dma_of_name(char *dma_name, struct rsnd_mod *mod)
|
|
|
{
|
|
|
if (mod)
|
|
@@ -97,6 +96,10 @@ static void rsnd_dma_of_path(struct rsnd_dma *dma,
|
|
|
struct rsnd_mod **mod_from,
|
|
|
struct rsnd_mod **mod_to);
|
|
|
|
|
|
+static dma_addr_t rsnd_dma_addr(struct rsnd_priv *priv,
|
|
|
+ struct rsnd_mod *mod,
|
|
|
+ int is_play, int is_from);
|
|
|
+
|
|
|
int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id)
|
|
|
{
|
|
|
struct device *dev = rsnd_priv_to_dev(priv);
|
|
@@ -122,8 +125,8 @@ int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma, int id)
|
|
|
rsnd_dma_of_name(mod_from, mod_to, dma_name);
|
|
|
|
|
|
cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
|
|
|
- cfg.src_addr = rsnd_gen_dma_addr(priv, mod_from, is_play, 1);
|
|
|
- cfg.dst_addr = rsnd_gen_dma_addr(priv, mod_to, is_play, 0);
|
|
|
+ cfg.src_addr = rsnd_dma_addr(priv, mod_from, is_play, 1);
|
|
|
+ cfg.dst_addr = rsnd_dma_addr(priv, mod_to, is_play, 0);
|
|
|
cfg.src_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
|
|
|
cfg.dst_addr_width = DMA_SLAVE_BUSWIDTH_4_BYTES;
|
|
|
|
|
@@ -168,6 +171,117 @@ void rsnd_dma_quit(struct rsnd_dma *dma)
|
|
|
dma->chan = NULL;
|
|
|
}
|
|
|
|
|
|
+/*
|
|
|
+ * DMA read/write register offset
|
|
|
+ *
|
|
|
+ * RSND_xxx_I_N for Audio DMAC input
|
|
|
+ * RSND_xxx_O_N for Audio DMAC output
|
|
|
+ * RSND_xxx_I_P for Audio DMAC peri peri input
|
|
|
+ * RSND_xxx_O_P for Audio DMAC peri peri output
|
|
|
+ *
|
|
|
+ * ex) R-Car H2 case
|
|
|
+ * mod / DMAC in / DMAC out / DMAC PP in / DMAC pp out
|
|
|
+ * SSI : 0xec541000 / 0xec241008 / 0xec24100c
|
|
|
+ * SSIU: 0xec541000 / 0xec100000 / 0xec100000 / 0xec400000 / 0xec400000
|
|
|
+ * SCU : 0xec500000 / 0xec000000 / 0xec004000 / 0xec300000 / 0xec304000
|
|
|
+ * CMD : 0xec500000 / / 0xec008000 0xec308000
|
|
|
+ */
|
|
|
+#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_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
|
|
|
+#define RDMA_SSIU_O_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
|
|
|
+
|
|
|
+#define RDMA_SRC_I_N(addr, i) (addr ##_reg - 0x00500000 + (0x400 * i))
|
|
|
+#define RDMA_SRC_O_N(addr, i) (addr ##_reg - 0x004fc000 + (0x400 * i))
|
|
|
+
|
|
|
+#define RDMA_SRC_I_P(addr, i) (addr ##_reg - 0x00200000 + (0x400 * i))
|
|
|
+#define RDMA_SRC_O_P(addr, i) (addr ##_reg - 0x001fc000 + (0x400 * i))
|
|
|
+
|
|
|
+#define RDMA_CMD_O_N(addr, i) (addr ##_reg - 0x004f8000 + (0x400 * i))
|
|
|
+#define RDMA_CMD_O_P(addr, i) (addr ##_reg - 0x001f8000 + (0x400 * i))
|
|
|
+
|
|
|
+static dma_addr_t
|
|
|
+rsnd_gen2_dma_addr(struct rsnd_priv *priv,
|
|
|
+ struct rsnd_mod *mod,
|
|
|
+ int is_play, int is_from)
|
|
|
+{
|
|
|
+ struct device *dev = rsnd_priv_to_dev(priv);
|
|
|
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
|
|
|
+ phys_addr_t ssi_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SSI);
|
|
|
+ phys_addr_t src_reg = rsnd_gen_get_phy_addr(priv, RSND_GEN2_SCU);
|
|
|
+ int is_ssi = !!(rsnd_io_to_mod_ssi(io) == mod);
|
|
|
+ int use_src = !!rsnd_io_to_mod_src(io);
|
|
|
+ int use_dvc = !!rsnd_io_to_mod_dvc(io);
|
|
|
+ int id = rsnd_mod_id(mod);
|
|
|
+ struct dma_addr {
|
|
|
+ dma_addr_t out_addr;
|
|
|
+ dma_addr_t in_addr;
|
|
|
+ } dma_addrs[3][2][3] = {
|
|
|
+ /* SRC */
|
|
|
+ {{{ 0, 0 },
|
|
|
+ /* Capture */
|
|
|
+ { RDMA_SRC_O_N(src, id), RDMA_SRC_I_P(src, id) },
|
|
|
+ { RDMA_CMD_O_N(src, id), RDMA_SRC_I_P(src, id) } },
|
|
|
+ /* Playback */
|
|
|
+ {{ 0, 0, },
|
|
|
+ { RDMA_SRC_O_P(src, id), RDMA_SRC_I_N(src, id) },
|
|
|
+ { RDMA_CMD_O_P(src, id), RDMA_SRC_I_N(src, id) } }
|
|
|
+ },
|
|
|
+ /* SSI */
|
|
|
+ /* Capture */
|
|
|
+ {{{ RDMA_SSI_O_N(ssi, id), 0 },
|
|
|
+ { RDMA_SSIU_O_P(ssi, id), 0 },
|
|
|
+ { RDMA_SSIU_O_P(ssi, id), 0 } },
|
|
|
+ /* Playback */
|
|
|
+ {{ 0, RDMA_SSI_I_N(ssi, id) },
|
|
|
+ { 0, RDMA_SSIU_I_P(ssi, id) },
|
|
|
+ { 0, RDMA_SSIU_I_P(ssi, id) } }
|
|
|
+ },
|
|
|
+ /* SSIU */
|
|
|
+ /* Capture */
|
|
|
+ {{{ RDMA_SSIU_O_N(ssi, id), 0 },
|
|
|
+ { RDMA_SSIU_O_P(ssi, id), 0 },
|
|
|
+ { RDMA_SSIU_O_P(ssi, id), 0 } },
|
|
|
+ /* Playback */
|
|
|
+ {{ 0, RDMA_SSIU_I_N(ssi, id) },
|
|
|
+ { 0, RDMA_SSIU_I_P(ssi, id) },
|
|
|
+ { 0, RDMA_SSIU_I_P(ssi, id) } } },
|
|
|
+ };
|
|
|
+
|
|
|
+ /* it shouldn't happen */
|
|
|
+ if (use_dvc && !use_src)
|
|
|
+ dev_err(dev, "DVC is selected without SRC\n");
|
|
|
+
|
|
|
+ /* use SSIU or SSI ? */
|
|
|
+ if (is_ssi && (0 == strcmp(rsnd_mod_dma_name(mod), "ssiu")))
|
|
|
+ is_ssi++;
|
|
|
+
|
|
|
+ return (is_from) ?
|
|
|
+ dma_addrs[is_ssi][is_play][use_src + use_dvc].out_addr :
|
|
|
+ dma_addrs[is_ssi][is_play][use_src + use_dvc].in_addr;
|
|
|
+}
|
|
|
+
|
|
|
+static dma_addr_t rsnd_dma_addr(struct rsnd_priv *priv,
|
|
|
+ struct rsnd_mod *mod,
|
|
|
+ int is_play, int is_from)
|
|
|
+{
|
|
|
+ /*
|
|
|
+ * gen1 uses default DMA addr
|
|
|
+ */
|
|
|
+ if (rsnd_is_gen1(priv))
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ if (!mod)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ return rsnd_gen2_dma_addr(priv, mod, is_play, is_from);
|
|
|
+}
|
|
|
+
|
|
|
+#define MOD_MAX 4 /* MEM/SSI/SRC/DVC */
|
|
|
static void rsnd_dma_of_path(struct rsnd_dma *dma,
|
|
|
int is_play,
|
|
|
struct rsnd_mod **mod_from,
|