static u32 rsnd_dmapp_get_id(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(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 size = 0;
if (mod == ssi) {
entry = gen2_id_table_ssiu;
size = ARRAY_SIZE(gen2_id_table_ssiu);
} else if (mod == src) {
entry = gen2_id_table_scu;
size = ARRAY_SIZE(gen2_id_table_scu);
} else if (mod == dvc) {
entry = gen2_id_table_cmd;
size = ARRAY_SIZE(gen2_id_table_cmd);
}
if ((!entry) || (size <= id)) {
struct device *dev = rsnd_priv_to_dev(rsnd_io_to_priv(io));
dev_err(dev, "unknown connection (%s[%d])\n",
rsnd_mod_name(mod), rsnd_mod_id(mod));
/* use non-prohibited SRS number as error */
return 0x00; /* SSI00 */
}
return entry[id];
}
static u32 rsnd_dmapp_get_id(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(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 size = 0;
if (mod == ssi) {
entry = gen2_id_table_ssiu;
size = ARRAY_SIZE(gen2_id_table_ssiu);
} else if (mod == src) {
entry = gen2_id_table_scu;
size = ARRAY_SIZE(gen2_id_table_scu);
} else if (mod == dvc) {
entry = gen2_id_table_cmd;
size = ARRAY_SIZE(gen2_id_table_cmd);
}
if (!entry)
return 0xFF;
if (size <= id)
return 0xFF;
return entry[id];
}
static void rsnd_dma_of_path(struct rsnd_dma *dma,
int is_play,
struct rsnd_mod **mod_from,
struct rsnd_mod **mod_to)
{
struct rsnd_mod *this = rsnd_dma_to_mod(dma);
struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
int i, index;
for (i = 0; i < MOD_MAX; i++)
mod[i] = NULL;
/*
* in play case...
*
* src -> dst
*
* mem -> SSI
* mem -> SRC -> SSI
* mem -> SRC -> DVC -> SSI
*/
mod[0] = NULL; /* for "mem" */
index = 1;
for (i = 1; i < MOD_MAX; i++) {
if (!src) {
mod[i] = ssi;
} else if (!dvc) {
mod[i] = src;
src = NULL;
} else {
if ((!is_play) && (this == src))
this = dvc;
mod[i] = (is_play) ? src : dvc;
i++;
mod[i] = (is_play) ? dvc : src;
src = NULL;
dvc = NULL;
}
if (mod[i] == this)
index = i;
if (mod[i] == ssi)
break;
}
if (is_play) {
*mod_from = mod[index - 1];
*mod_to = mod[index];
} else {
*mod_from = mod[index];
*mod_to = mod[index - 1];
}
}
static dma_addr_t
rsnd_gen2_dma_addr(struct rsnd_dai_stream *io,
struct rsnd_mod *mod,
int is_play, int is_from)
{
struct rsnd_priv *priv = rsnd_io_to_priv(io);
struct device *dev = rsnd_priv_to_dev(priv);
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 && rsnd_ssi_use_busif(io, mod))
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 void rsnd_dma_of_name(struct rsnd_dma *dma,
int is_play, char *dma_name)
{
struct rsnd_mod *this = rsnd_dma_to_mod(dma);
struct rsnd_dai_stream *io = rsnd_mod_to_io(this);
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
struct rsnd_mod *src_mod, *dst_mod;
int i, index;
for (i = 0; i < MOD_MAX; i++)
mod[i] = NULL;
/*
* in play case...
*
* src -> dst
*
* mem -> SSI
* mem -> SRC -> SSI
* mem -> SRC -> DVC -> SSI
*/
mod[0] = NULL; /* for "mem" */
index = 1;
for (i = 1; i < MOD_MAX; i++) {
if (!src) {
mod[i] = ssi;
} else if (!dvc) {
mod[i] = src;
src = NULL;
} else {
mod[i] = dvc;
dvc = NULL;
}
if (mod[i] == this)
index = i;
if (mod[i] == ssi)
break;
}
if (is_play) {
src_mod = mod[index - 1];
dst_mod = mod[index];
} else {
src_mod = mod[index];
dst_mod = mod[index + 1];
}
index = 0;
index = _rsnd_dma_of_name(dma_name + index, src_mod);
*(dma_name + index++) = '_';
index = _rsnd_dma_of_name(dma_name + index, dst_mod);
}
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_mod_write(mod, SRC_CTRL, val);
return rsnd_src_start(mod, rdai);
}
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;
}
return rsnd_gen2_dma_addr(io, mod, is_play, is_from);
}
#define MOD_MAX (RSND_MOD_MAX + 1) /* +Memory */
static void rsnd_dma_of_path(struct rsnd_mod *this,
struct rsnd_dai_stream *io,
int is_play,
struct rsnd_mod **mod_from,
struct rsnd_mod **mod_to)
{
struct rsnd_mod *ssi = rsnd_io_to_mod_ssi(io);
struct rsnd_mod *src = rsnd_io_to_mod_src(io);
struct rsnd_mod *ctu = rsnd_io_to_mod_ctu(io);
struct rsnd_mod *mix = rsnd_io_to_mod_mix(io);
struct rsnd_mod *dvc = rsnd_io_to_mod_dvc(io);
struct rsnd_mod *mod[MOD_MAX];
struct rsnd_mod *mod_start, *mod_end;
struct rsnd_priv *priv = rsnd_mod_to_priv(this);
struct device *dev = rsnd_priv_to_dev(priv);
int nr, i, idx;
if (!ssi)
return;
nr = 0;
for (i = 0; i < MOD_MAX; i++) {
mod[i] = NULL;
nr += !!rsnd_io_to_mod(io, i);
}
