#include "rsnd.h"
#define CTU_NAME_SIZE 16
#define CTU_NAME "ctu"
struct rsnd_ctu {
struct rsnd_mod mod;
struct rsnd_kctrl_cfg_m pass;
struct rsnd_kctrl_cfg_m sv[4];
struct rsnd_kctrl_cfg_s reset;
int channels;
u32 flags;
};
#define KCTRL_INITIALIZED (1 << 0)
#define rsnd_ctu_nr(priv) ((priv)->ctu_nr)
#define for_each_rsnd_ctu(pos, priv, i) \
for ((i) = 0; \
((i) < rsnd_ctu_nr(priv)) && \
((pos) = (struct rsnd_ctu *)(priv)->ctu + i); \
i++)
#define rsnd_mod_to_ctu(_mod) \
container_of((_mod), struct rsnd_ctu, mod)
#define rsnd_ctu_get(priv, id) ((struct rsnd_ctu *)(priv->ctu) + id)
static void rsnd_ctu_activation(struct rsnd_mod *mod)
{
rsnd_mod_write(mod, CTU_SWRSR, 0);
rsnd_mod_write(mod, CTU_SWRSR, 1);
}
static void rsnd_ctu_halt(struct rsnd_mod *mod)
{
rsnd_mod_write(mod, CTU_CTUIR, 1);
rsnd_mod_write(mod, CTU_SWRSR, 0);
}
static int rsnd_ctu_probe_(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
return rsnd_cmd_attach(io, rsnd_mod_id(mod));
}
static void rsnd_ctu_value_init(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
u32 cpmdr = 0;
u32 scmdr = 0;
int i, j;
for (i = 0; i < RSND_MAX_CHANNELS; i++) {
u32 val = rsnd_kctrl_valm(ctu->pass, i);
cpmdr |= val << (28 - (i * 4));
if ((val > 0x8) && (scmdr < (val - 0x8)))
scmdr = val - 0x8;
}
rsnd_mod_write(mod, CTU_CTUIR, 1);
rsnd_mod_write(mod, CTU_ADINR, rsnd_runtime_channel_original(io));
rsnd_mod_write(mod, CTU_CPMDR, cpmdr);
rsnd_mod_write(mod, CTU_SCMDR, scmdr);
for (i = 0; i < 4; i++) {
if (i >= scmdr)
break;
for (j = 0; j < RSND_MAX_CHANNELS; j++)
rsnd_mod_write(mod, CTU_SVxxR(i, j), rsnd_kctrl_valm(ctu->sv[i], j));
}
rsnd_mod_write(mod, CTU_CTUIR, 0);
}
static void rsnd_ctu_value_reset(struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
int i;
if (!rsnd_kctrl_vals(ctu->reset))
return;
for (i = 0; i < RSND_MAX_CHANNELS; i++) {
rsnd_kctrl_valm(ctu->pass, i) = 0;
rsnd_kctrl_valm(ctu->sv[0], i) = 0;
rsnd_kctrl_valm(ctu->sv[1], i) = 0;
rsnd_kctrl_valm(ctu->sv[2], i) = 0;
rsnd_kctrl_valm(ctu->sv[3], i) = 0;
}
rsnd_kctrl_vals(ctu->reset) = 0;
}
static int rsnd_ctu_init(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
int ret;
ret = rsnd_mod_power_on(mod);
if (ret < 0)
return ret;
rsnd_ctu_activation(mod);
rsnd_ctu_value_init(io, mod);
return 0;
}
static int rsnd_ctu_quit(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct rsnd_priv *priv)
{
rsnd_ctu_halt(mod);
rsnd_mod_power_off(mod);
return 0;
}
static int rsnd_ctu_pcm_new(struct rsnd_mod *mod,
struct rsnd_dai_stream *io,
struct snd_soc_pcm_runtime *rtd)
{
struct rsnd_ctu *ctu = rsnd_mod_to_ctu(mod);
int ret;
if (rsnd_flags_has(ctu, KCTRL_INITIALIZED))
return 0;
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU Pass",
rsnd_kctrl_accept_anytime,
NULL,
&ctu->pass, RSND_MAX_CHANNELS,
0xC);
if (ret < 0)
return ret;
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV0",
rsnd_kctrl_accept_anytime,
NULL,
&ctu->sv[0], RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV1",
rsnd_kctrl_accept_anytime,
NULL,
&ctu->sv[1], RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV2",
rsnd_kctrl_accept_anytime,
NULL,
&ctu->sv[2], RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
ret = rsnd_kctrl_new_m(mod, io, rtd, "CTU SV3",
rsnd_kctrl_accept_anytime,
NULL,
&ctu->sv[3], RSND_MAX_CHANNELS,
0x00FFFFFF);
if (ret < 0)
return ret;
ret = rsnd_kctrl_new_s(mod, io, rtd, "CTU Reset",
rsnd_kctrl_accept_anytime,
rsnd_ctu_value_reset,
&ctu->reset, 1);
rsnd_flags_set(ctu, KCTRL_INITIALIZED);
return ret;
}
static int rsnd_ctu_id(struct rsnd_mod *mod)
{
return mod->id / 4;
}
static int rsnd_ctu_id_sub(struct rsnd_mod *mod)
{
return mod->id % 4;
}
#ifdef CONFIG_DEBUG_FS
static void rsnd_ctu_debug_info(struct seq_file *m,
struct rsnd_dai_stream *io,
struct rsnd_mod *mod)
{
rsnd_debugfs_mod_reg_show(m, mod, RSND_BASE_SCU,
0x500 + rsnd_mod_id_raw(mod) * 0x100, 0x100);
}
#define DEBUG_INFO .debug_info = rsnd_ctu_debug_info
#else
#define DEBUG_INFO
#endif
static struct rsnd_mod_ops rsnd_ctu_ops = {
.name = CTU_NAME,
.probe = rsnd_ctu_probe_,
.init = rsnd_ctu_init,
.quit = rsnd_ctu_quit,
.pcm_new = rsnd_ctu_pcm_new,
.get_status = rsnd_mod_get_status,
.id = rsnd_ctu_id,
.id_sub = rsnd_ctu_id_sub,
.id_cmd = rsnd_mod_id_raw,
DEBUG_INFO
};
struct rsnd_mod *rsnd_ctu_mod_get(struct rsnd_priv *priv, int id)
{
if (WARN_ON(id < 0 || id >= rsnd_ctu_nr(priv)))
id = 0;
return rsnd_mod_get(rsnd_ctu_get(priv, id));
}
int rsnd_ctu_probe(struct rsnd_priv *priv)
{
struct device_node *node;
struct device *dev = rsnd_priv_to_dev(priv);
struct rsnd_ctu *ctu;
struct clk *clk;
char name[CTU_NAME_SIZE];
int i, nr, ret;
node = rsnd_ctu_of_node(priv);
if (!node)
return 0;
nr = of_get_child_count(node);
if (!nr) {
ret = -EINVAL;
goto rsnd_ctu_probe_done;
}
ctu = devm_kcalloc(dev, nr, sizeof(*ctu), GFP_KERNEL);
if (!ctu) {
ret = -ENOMEM;
goto rsnd_ctu_probe_done;
}
priv->ctu_nr = nr;
priv->ctu = ctu;
i = 0;
ret = 0;
for_each_child_of_node_scoped(node, np) {
ctu = rsnd_ctu_get(priv, i);
snprintf(name, CTU_NAME_SIZE, "%s.%d",
CTU_NAME, i / 4);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk)) {
ret = PTR_ERR(clk);
goto rsnd_ctu_probe_done;
}
ret = rsnd_mod_init(priv, rsnd_mod_get(ctu), &rsnd_ctu_ops,
clk, RSND_MOD_CTU, i);
if (ret)
goto rsnd_ctu_probe_done;
i++;
}
rsnd_ctu_probe_done:
of_node_put(node);
return ret;
}
void rsnd_ctu_remove(struct rsnd_priv *priv)
{
struct rsnd_ctu *ctu;
int i;
for_each_rsnd_ctu(ctu, priv, i) {
rsnd_mod_quit(rsnd_mod_get(ctu));
}
}
