This patch allows the REFCLK to be set directly allowing much greater flexibility in how the FLLs are configured.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/codecs/arizona.c | 39 +++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/arizona.h | 2 ++ sound/soc/codecs/wm5102.c | 6 ++++++ sound/soc/codecs/wm5102.h | 6 ++++-- sound/soc/codecs/wm5110.c | 6 ++++++ sound/soc/codecs/wm5110.h | 6 ++++-- 6 files changed, 61 insertions(+), 4 deletions(-)
diff --git a/sound/soc/codecs/arizona.c b/sound/soc/codecs/arizona.c index 149e44f..2bebfae 100644 --- a/sound/soc/codecs/arizona.c +++ b/sound/soc/codecs/arizona.c @@ -1139,6 +1139,45 @@ static void arizona_disable_fll(struct arizona_fll *fll) pm_runtime_put_autosuspend(arizona->dev); }
+int arizona_set_fll_refclk(struct arizona_fll *fll, int source, + unsigned int Fref, unsigned int Fout) +{ + struct arizona_fll_cfg ref, sync; + int ret; + + if (source < 0) + return -EINVAL; + + if (fll->ref_src == source && fll->ref_freq == Fref && + fll->fout == Fout) + return 0; + + if (Fout) { + ret = arizona_calc_fll(fll, &ref, Fref, Fout); + if (ret != 0) + return ret; + + if (fll->sync_src >= 0) { + ret = arizona_calc_fll(fll, &sync, fll->sync_freq, Fout); + if (ret != 0) + return ret; + } + } + + fll->ref_src = source; + fll->ref_freq = Fref; + fll->fout = Fout; + + if (Fout) { + arizona_enable_fll(fll, &ref, &sync); + } else { + arizona_disable_fll(fll); + } + + return 0; +} +EXPORT_SYMBOL_GPL(arizona_set_fll_refclk); + int arizona_set_fll(struct arizona_fll *fll, int source, unsigned int Fref, unsigned int Fout) { diff --git a/sound/soc/codecs/arizona.h b/sound/soc/codecs/arizona.h index bedf12a..f2ca41f 100644 --- a/sound/soc/codecs/arizona.h +++ b/sound/soc/codecs/arizona.h @@ -211,6 +211,8 @@ struct arizona_fll {
extern int arizona_init_fll(struct arizona *arizona, int id, int base, int lock_irq, int ok_irq, struct arizona_fll *fll); +extern int arizona_set_fll_refclk(struct arizona_fll *fll, int source, + unsigned int Fref, unsigned int Fout); extern int arizona_set_fll(struct arizona_fll *fll, int source, unsigned int Fref, unsigned int Fout);
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c index ab69c83..6071673 100644 --- a/sound/soc/codecs/wm5102.c +++ b/sound/soc/codecs/wm5102.c @@ -1479,6 +1479,12 @@ static int wm5102_set_fll(struct snd_soc_codec *codec, int fll_id, int source, return arizona_set_fll(&wm5102->fll[0], source, Fref, Fout); case WM5102_FLL2: return arizona_set_fll(&wm5102->fll[1], source, Fref, Fout); + case WM5102_FLL1_REFCLK: + return arizona_set_fll_refclk(&wm5102->fll[0], source, Fref, + Fout); + case WM5102_FLL2_REFCLK: + return arizona_set_fll_refclk(&wm5102->fll[1], source, Fref, + Fout); default: return -EINVAL; } diff --git a/sound/soc/codecs/wm5102.h b/sound/soc/codecs/wm5102.h index d30477f..adb3804 100644 --- a/sound/soc/codecs/wm5102.h +++ b/sound/soc/codecs/wm5102.h @@ -15,7 +15,9 @@
#include "arizona.h"
-#define WM5102_FLL1 1 -#define WM5102_FLL2 2 +#define WM5102_FLL1 1 +#define WM5102_FLL2 2 +#define WM5102_FLL1_REFCLK 3 +#define WM5102_FLL2_REFCLK 4
#endif diff --git a/sound/soc/codecs/wm5110.c b/sound/soc/codecs/wm5110.c index a163132..623e433 100644 --- a/sound/soc/codecs/wm5110.c +++ b/sound/soc/codecs/wm5110.c @@ -876,6 +876,12 @@ static int wm5110_set_fll(struct snd_soc_codec *codec, int fll_id, int source, return arizona_set_fll(&wm5110->fll[0], source, Fref, Fout); case WM5110_FLL2: return arizona_set_fll(&wm5110->fll[1], source, Fref, Fout); + case WM5110_FLL1_REFCLK: + return arizona_set_fll_refclk(&wm5110->fll[0], source, Fref, + Fout); + case WM5110_FLL2_REFCLK: + return arizona_set_fll_refclk(&wm5110->fll[1], source, Fref, + Fout); default: return -EINVAL; } diff --git a/sound/soc/codecs/wm5110.h b/sound/soc/codecs/wm5110.h index 75e9351..e6c0cd4 100644 --- a/sound/soc/codecs/wm5110.h +++ b/sound/soc/codecs/wm5110.h @@ -15,7 +15,9 @@
#include "arizona.h"
-#define WM5110_FLL1 1 -#define WM5110_FLL2 2 +#define WM5110_FLL1 1 +#define WM5110_FLL2 2 +#define WM5110_FLL1_REFCLK 3 +#define WM5110_FLL2_REFCLK 4
#endif