*/
#define RSND_SCU_USE_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */
-#define RSND_SCU(rate, _dma_id) \
+#define RSND_SRC(rate, _dma_id) \
{ .flags = RSND_SCU_USE_HPBIF, .convert_rate = rate, .dma_id = _dma_id, }
-#define RSND_SCU_SET(rate, _dma_id) \
+#define RSND_SRC_SET(rate, _dma_id) \
{ .flags = RSND_SCU_USE_HPBIF, .convert_rate = rate, .dma_id = _dma_id, }
-#define RSND_SCU_UNUSED \
+#define RSND_SRC_UNUSED \
{ .flags = 0, .convert_rate = 0, .dma_id = 0, }
-struct rsnd_scu_platform_info {
+#define rsnd_scu_platform_info rsnd_src_platform_info
+#define src_info scu_info
+#define src_info_nr scu_info_nr
+
+struct rsnd_src_platform_info {
u32 flags;
u32 convert_rate; /* sampling rate convert */
int dma_id; /* for Gen2 SCU */
struct rsnd_dai_path_info {
struct rsnd_ssi_platform_info *ssi;
- struct rsnd_scu_platform_info *scu;
+ struct rsnd_src_platform_info *src;
};
struct rsnd_dai_platform_info {
u32 flags;
struct rsnd_ssi_platform_info *ssi_info;
int ssi_info_nr;
- struct rsnd_scu_platform_info *scu_info;
- int scu_info_nr;
+ struct rsnd_src_platform_info *src_info;
+ int src_info_nr;
struct rsnd_dai_platform_info *dai_info;
int dai_info_nr;
int (*start)(int id);
-snd-soc-rcar-objs := core.o gen.o scu.o adg.o ssi.o
+snd-soc-rcar-objs := core.o gen.o src.o adg.o ssi.o
obj-$(CONFIG_SND_SOC_RCAR) += snd-soc-rcar.o
\ No newline at end of file
* | +- ssi[2]
* | ...
* |
- * | ** these control scu
+ * | ** these control src
* |
- * +- scu
+ * +- src
* |
- * +- scu[0]
- * +- scu[1]
- * +- scu[2]
+ * +- src[0]
+ * +- src[1]
+ * +- src[2]
* ...
*
*
struct rsnd_dai_platform_info *dai_info = rdai->info;
int ret;
int ssi_id = -1;
- int scu_id = -1;
+ int src_id = -1;
/*
* Gen1 is created by SRU/SSI, and this SRU is base module of
if (dai_info) {
if (rsnd_is_enable_path(io, ssi))
ssi_id = rsnd_info_id(priv, io, ssi);
- if (rsnd_is_enable_path(io, scu))
- scu_id = rsnd_info_id(priv, io, scu);
+ if (rsnd_is_enable_path(io, src))
+ src_id = rsnd_info_id(priv, io, src);
} else {
/* get SSI's ID */
mod = rsnd_ssi_mod_get_frm_dai(priv,
rsnd_dai_is_play(rdai, io));
if (!mod)
return 0;
- ssi_id = scu_id = rsnd_mod_id(mod);
+ ssi_id = src_id = rsnd_mod_id(mod);
}
ret = 0;
- /* SCU */
- if (scu_id >= 0) {
- mod = rsnd_scu_mod_get(priv, scu_id);
+ /* SRC */
+ if (src_id >= 0) {
+ mod = rsnd_src_mod_get(priv, src_id);
ret = rsnd_dai_connect(mod, io);
if (ret < 0)
return ret;
struct rsnd_priv *priv) = {
rsnd_gen_probe,
rsnd_ssi_probe,
- rsnd_scu_probe,
+ rsnd_src_probe,
rsnd_adg_probe,
rsnd_dai_probe,
};
* R-Car sound mod
*/
enum rsnd_mod_type {
- RSND_MOD_SCU = 0,
+ RSND_MOD_SRC = 0,
RSND_MOD_SSI,
RSND_MOD_MAX,
};
int next_period_byte;
};
#define rsnd_io_to_mod_ssi(io) ((io)->mod[RSND_MOD_SSI])
-#define rsnd_io_to_mod_scu(io) ((io)->mod[RSND_MOD_SCU])
+#define rsnd_io_to_mod_src(io) ((io)->mod[RSND_MOD_SRC])
struct rsnd_dai {
char name[RSND_DAI_NAME_SIZE];
void *gen;
/*
- * below value will be filled on rsnd_scu_probe()
+ * below value will be filled on rsnd_src_probe()
*/
- void *scu;
- int scu_nr;
+ void *src;
+ int src_nr;
/*
* below value will be filled on rsnd_adg_probe()
})
/*
- * R-Car SCU
+ * R-Car SRC
*/
-int rsnd_scu_probe(struct platform_device *pdev,
+int rsnd_src_probe(struct platform_device *pdev,
struct rsnd_priv *priv);
-struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id);
-unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
+struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id);
+unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
struct rsnd_dai_stream *io,
struct snd_pcm_runtime *runtime);
-int rsnd_scu_ssi_mode_init(struct rsnd_mod *ssi_mod,
+int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io);
-int rsnd_scu_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
struct rsnd_dai *rdai,
struct rsnd_dai_stream *io);
-#define rsnd_scu_nr(priv) ((priv)->scu_nr)
+#define rsnd_src_nr(priv) ((priv)->src_nr)
/*
* R-Car SSI
+++ /dev/null
-/*
- * Renesas R-Car SCU support
- *
- * Copyright (C) 2013 Renesas Solutions Corp.
- * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include "rsnd.h"
-
-struct rsnd_scu {
- struct rsnd_scu_platform_info *info; /* rcar_snd.h */
- struct rsnd_mod mod;
- struct clk *clk;
-};
-
-#define RSND_SCU_NAME_SIZE 16
-
-/*
- * ADINR
- */
-#define OTBL_24 (0 << 16)
-#define OTBL_22 (2 << 16)
-#define OTBL_20 (4 << 16)
-#define OTBL_18 (6 << 16)
-#define OTBL_16 (8 << 16)
-
-#define rsnd_scu_mode_flags(p) ((p)->info->flags)
-#define rsnd_scu_convert_rate(p) ((p)->info->convert_rate)
-#define rsnd_mod_to_scu(_mod) \
- container_of((_mod), struct rsnd_scu, mod)
-#define rsnd_scu_hpbif_is_enable(scu) \
- (rsnd_scu_mode_flags(scu) & RSND_SCU_USE_HPBIF)
-#define rsnd_scu_dma_available(scu) \
- rsnd_dma_available(rsnd_mod_to_dma(&(scu)->mod))
-
-#define for_each_rsnd_scu(pos, priv, i) \
- for ((i) = 0; \
- ((i) < rsnd_scu_nr(priv)) && \
- ((pos) = (struct rsnd_scu *)(priv)->scu + i); \
- i++)
-
-
-/*
- * image of SRC (Sampling Rate Converter)
- *
- * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+
- * 48kHz <-> | SRC | <------> | SSI | <-----> | codec |
- * 44.1kHz <-> +-----+ +-----+ +-------+
- * ...
- *
- */
-
-/*
- * scu.c is caring...
- *
- * Gen1
- *
- * [mem] -> [SRU] -> [SSI]
- * |--------|
- *
- * Gen2
- *
- * [mem] -> [SCU] -> [SSIU] -> [SSI]
- * |-----------------|
- */
-
-/*
- * How to use SRC bypass mode for debugging
- *
- * SRC has bypass mode, and it is useful for debugging.
- * In Gen2 case,
- * SRCm_MODE controls whether SRC is used or not
- * SSI_MODE0 controls whether SSIU which receives SRC data
- * is used or not.
- * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC,
- * but SRC bypass mode needs SSI_MODE0 only.
- *
- * This driver request
- * struct rsnd_scu_platform_info {
- * u32 flags;
- * u32 convert_rate;
- * }
- *
- * rsnd_scu_hpbif_is_enable() will be true
- * if flags had RSND_SCU_USE_HPBIF,
- * and it controls whether SSIU is used or not.
- *
- * rsnd_scu_convert_rate() indicates
- * above convert_rate, and it controls
- * whether SRC is used or not.
- *
- * ex) doesn't use SRC
- * struct rsnd_scu_platform_info info = {
- * .flags = 0,
- * .convert_rate = 0,
- * };
- *
- * ex) uses SRC
- * struct rsnd_scu_platform_info info = {
- * .flags = RSND_SCU_USE_HPBIF,
- * .convert_rate = 48000,
- * };
- *
- * ex) uses SRC bypass mode
- * struct rsnd_scu_platform_info info = {
- * .flags = RSND_SCU_USE_HPBIF,
- * .convert_rate = 0,
- * };
- *
- */
-
-/*
- * Gen1/Gen2 common functions
- */
-int rsnd_scu_ssi_mode_init(struct rsnd_mod *ssi_mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
- struct rsnd_mod *scu_mod = rsnd_io_to_mod_scu(io);
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
- int ssi_id = rsnd_mod_id(ssi_mod);
- int has_scu = 0;
-
- /*
- * SSI_MODE0
- */
- if (info->dai_info) {
- has_scu = !!scu_mod;
- } else {
- struct rsnd_scu *scu = rsnd_mod_to_scu(scu_mod);
- has_scu = rsnd_scu_hpbif_is_enable(scu);
- }
-
- rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id),
- has_scu ? 0 : (1 << ssi_id));
-
- /*
- * SSI_MODE1
- */
- if (rsnd_ssi_is_pin_sharing(ssi_mod)) {
- int shift = -1;
- switch (ssi_id) {
- case 1:
- shift = 0;
- break;
- case 2:
- shift = 2;
- break;
- case 4:
- shift = 16;
- break;
- }
-
- if (shift >= 0)
- rsnd_mod_bset(ssi_mod, SSI_MODE1,
- 0x3 << shift,
- rsnd_dai_is_clk_master(rdai) ?
- 0x2 << shift : 0x1 << shift);
- }
-
- return 0;
-}
-
-int rsnd_scu_enable_ssi_irq(struct rsnd_mod *ssi_mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
-
- /* enable PIO interrupt if Gen2 */
- if (rsnd_is_gen2(priv))
- rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
-
- return 0;
-}
-
-unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv,
- struct rsnd_dai_stream *io,
- struct snd_pcm_runtime *runtime)
-{
- struct rsnd_scu *scu;
- unsigned int rate;
-
- scu = rsnd_mod_to_scu(rsnd_io_to_mod_scu(io));
-
- /*
- * return convert rate if SRC is used,
- * otherwise, return runtime->rate as usual
- */
- rate = rsnd_scu_convert_rate(scu);
- if (!rate)
- rate = runtime->rate;
-
- return rate;
-}
-
-static int rsnd_scu_set_convert_rate(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
- u32 adinr = runtime->channels;
- u32 fsrate = 0;
-
- if (convert_rate)
- fsrate = 0x0400000 / convert_rate * runtime->rate;
-
- /* set/clear soft reset */
- rsnd_mod_write(mod, SRC_SWRSR, 0);
- rsnd_mod_write(mod, SRC_SWRSR, 1);
-
- /*
- * Initialize the operation of the SRC internal circuits
- * see rsnd_scu_start()
- */
- rsnd_mod_write(mod, SRC_SRCIR, 1);
-
- /* Set channel number and output bit length */
- switch (runtime->sample_bits) {
- case 16:
- adinr |= OTBL_16;
- break;
- case 32:
- adinr |= OTBL_24;
- break;
- default:
- return -EIO;
- }
- rsnd_mod_write(mod, SRC_ADINR, adinr);
-
- /* Enable the initial value of IFS */
- if (fsrate) {
- rsnd_mod_write(mod, SRC_IFSCR, 1);
-
- /* Set initial value of IFS */
- rsnd_mod_write(mod, SRC_IFSVR, fsrate);
- }
-
- /* use DMA transfer */
- rsnd_mod_write(mod, SRC_BUSIF_MODE, 1);
-
- return 0;
-}
-
-static int rsnd_scu_init(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- clk_enable(scu->clk);
-
- return 0;
-}
-
-static int rsnd_scu_quit(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- clk_disable(scu->clk);
-
- return 0;
-}
-
-static int rsnd_scu_start(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- /*
- * Cancel the initialization and operate the SRC function
- * see rsnd_scu_set_convert_rate()
- */
- rsnd_mod_write(mod, SRC_SRCIR, 0);
-
- if (rsnd_scu_convert_rate(scu))
- rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
-
- return 0;
-}
-
-
-static int rsnd_scu_stop(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- if (rsnd_scu_convert_rate(scu))
- rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0);
-
- return 0;
-}
-
-static struct rsnd_mod_ops rsnd_scu_non_ops = {
- .name = "scu (non)",
-};
-
-/*
- * Gen1 functions
- */
-static int rsnd_src_set_route_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct scu_route_config {
- u32 mask;
- int shift;
- } routes[] = {
- { 0xF, 0, }, /* 0 */
- { 0xF, 4, }, /* 1 */
- { 0xF, 8, }, /* 2 */
- { 0x7, 12, }, /* 3 */
- { 0x7, 16, }, /* 4 */
- { 0x7, 20, }, /* 5 */
- { 0x7, 24, }, /* 6 */
- { 0x3, 28, }, /* 7 */
- { 0x3, 30, }, /* 8 */
- };
- u32 mask;
- u32 val;
- int id;
-
- id = rsnd_mod_id(mod);
- if (id < 0 || id >= ARRAY_SIZE(routes))
- return -EIO;
-
- /*
- * SRC_ROUTE_SELECT
- */
- val = rsnd_dai_is_play(rdai, io) ? 0x1 : 0x2;
- val = val << routes[id].shift;
- mask = routes[id].mask << routes[id].shift;
-
- rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val);
-
- return 0;
-}
-
-static int rsnd_scu_set_convert_timing_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
- u32 mask;
- u32 val;
- int shift;
- int id = rsnd_mod_id(mod);
- int ret;
-
- /*
- * SRC_TIMING_SELECT
- */
- shift = (id % 4) * 8;
- mask = 0x1F << shift;
-
- /*
- * ADG is used as source clock if SRC was used,
- * then, SSI WS is used as destination clock.
- * SSI WS is used as source clock if SRC is not used
- * (when playback, source/destination become reverse when capture)
- */
- ret = 0;
- if (convert_rate) {
- /* use ADG */
- val = 0;
- ret = rsnd_adg_set_convert_clk_gen1(priv, mod,
- runtime->rate,
- convert_rate);
- } else if (8 == id) {
- /* use SSI WS, but SRU8 is special */
- val = id << shift;
- } else {
- /* use SSI WS */
- val = (id + 1) << shift;
- }
-
- if (ret < 0)
- return ret;
-
- switch (id / 4) {
- case 0:
- rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val);
- break;
- case 1:
- rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val);
- break;
- case 2:
- rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val);
- break;
- }
-
- return 0;
-}
-
-static int rsnd_scu_set_convert_rate_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int ret;
-
- ret = rsnd_scu_set_convert_rate(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- /* Select SRC mode (fixed value) */
- rsnd_mod_write(mod, SRC_SRCCR, 0x00010110);
-
- /* Set the restriction value of the FS ratio (98%) */
- rsnd_mod_write(mod, SRC_MNFSR,
- rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98);
-
- /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */
-
- return 0;
-}
-
-static int rsnd_scu_init_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int ret;
-
- ret = rsnd_scu_init(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- ret = rsnd_src_set_route_gen1(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- ret = rsnd_scu_set_convert_rate_gen1(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- ret = rsnd_scu_set_convert_timing_gen1(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int rsnd_scu_start_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int id = rsnd_mod_id(mod);
-
- rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id));
-
- return rsnd_scu_start(mod, rdai, io);
-}
-
-static int rsnd_scu_stop_gen1(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int id = rsnd_mod_id(mod);
-
- rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0);
-
- return rsnd_scu_stop(mod, rdai, io);
-}
-
-static struct rsnd_mod_ops rsnd_scu_gen1_ops = {
- .name = "sru (gen1)",
- .init = rsnd_scu_init_gen1,
- .quit = rsnd_scu_quit,
- .start = rsnd_scu_start_gen1,
- .stop = rsnd_scu_stop_gen1,
-};
-
-/*
- * Gen2 functions
- */
-static int rsnd_scu_set_convert_rate_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int ret;
-
- ret = rsnd_scu_set_convert_rate(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_mod_read(mod, SRC_ADINR));
- rsnd_mod_write(mod, SSI_BUSIF_MODE, rsnd_mod_read(mod, SRC_BUSIF_MODE));
-
- rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
-
- rsnd_mod_write(mod, SRC_BSDSR, 0x01800000);
- rsnd_mod_write(mod, SRC_BSISR, 0x00100060);
-
- return 0;
-}
-
-static int rsnd_scu_set_convert_timing_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- u32 convert_rate = rsnd_scu_convert_rate(scu);
- int ret;
-
- if (convert_rate)
- ret = rsnd_adg_set_convert_clk_gen2(mod, rdai, io,
- runtime->rate,
- convert_rate);
- else
- ret = rsnd_adg_set_convert_timing_gen2(mod, rdai, io);
-
- return ret;
-}
-
-static int rsnd_scu_probe_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
- struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod));
- struct device *dev = rsnd_priv_to_dev(priv);
- int ret;
- int is_play;
-
- if (info->dai_info)
- is_play = rsnd_info_is_playback(priv, scu);
- else
- is_play = rsnd_ssi_is_play(ssi);
-
- ret = rsnd_dma_init(priv,
- rsnd_mod_to_dma(mod),
- is_play,
- scu->info->dma_id);
- if (ret < 0)
- dev_err(dev, "SCU DMA failed\n");
-
- return ret;
-}
-
-static int rsnd_scu_remove_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
-
- return 0;
-}
-
-static int rsnd_scu_init_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- int ret;
-
- ret = rsnd_scu_init(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- ret = rsnd_scu_set_convert_rate_gen2(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- ret = rsnd_scu_set_convert_timing_gen2(mod, rdai, io);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static int rsnd_scu_start_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- rsnd_dma_start(rsnd_mod_to_dma(&scu->mod));
-
- rsnd_mod_write(mod, SSI_CTRL, 0x1);
- rsnd_mod_write(mod, SRC_CTRL, 0x11);
-
- return rsnd_scu_start(mod, rdai, io);
-}
-
-static int rsnd_scu_stop_gen2(struct rsnd_mod *mod,
- struct rsnd_dai *rdai,
- struct rsnd_dai_stream *io)
-{
- struct rsnd_scu *scu = rsnd_mod_to_scu(mod);
-
- rsnd_mod_write(mod, SSI_CTRL, 0);
- rsnd_mod_write(mod, SRC_CTRL, 0);
-
- rsnd_dma_stop(rsnd_mod_to_dma(&scu->mod));
-
- return rsnd_scu_stop(mod, rdai, io);
-}
-
-static struct rsnd_mod_ops rsnd_scu_gen2_ops = {
- .name = "scu (gen2)",
- .probe = rsnd_scu_probe_gen2,
- .remove = rsnd_scu_remove_gen2,
- .init = rsnd_scu_init_gen2,
- .quit = rsnd_scu_quit,
- .start = rsnd_scu_start_gen2,
- .stop = rsnd_scu_stop_gen2,
-};
-
-struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id)
-{
- if (WARN_ON(id < 0 || id >= rsnd_scu_nr(priv)))
- id = 0;
-
- return &((struct rsnd_scu *)(priv->scu) + id)->mod;
-}
-
-int rsnd_scu_probe(struct platform_device *pdev,
- struct rsnd_priv *priv)
-{
- struct rcar_snd_info *info = rsnd_priv_to_info(priv);
- struct device *dev = rsnd_priv_to_dev(priv);
- struct rsnd_scu *scu;
- struct rsnd_mod_ops *ops;
- struct clk *clk;
- char name[RSND_SCU_NAME_SIZE];
- int i, nr;
-
- /*
- * init SCU
- */
- nr = info->scu_info_nr;
- if (!nr)
- return 0;
-
- scu = devm_kzalloc(dev, sizeof(*scu) * nr, GFP_KERNEL);
- if (!scu) {
- dev_err(dev, "SCU allocate failed\n");
- return -ENOMEM;
- }
-
- priv->scu_nr = nr;
- priv->scu = scu;
-
- for_each_rsnd_scu(scu, priv, i) {
- snprintf(name, RSND_SCU_NAME_SIZE, "scu.%d", i);
-
- clk = devm_clk_get(dev, name);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
-
- scu->info = &info->scu_info[i];
- scu->clk = clk;
-
- ops = &rsnd_scu_non_ops;
- if (rsnd_scu_hpbif_is_enable(scu)) {
- if (rsnd_is_gen1(priv))
- ops = &rsnd_scu_gen1_ops;
- if (rsnd_is_gen2(priv))
- ops = &rsnd_scu_gen2_ops;
- }
-
- rsnd_mod_init(priv, &scu->mod, ops, RSND_MOD_SCU, i);
-
- dev_dbg(dev, "SCU%d probed\n", i);
- }
-
- return 0;
-}
--- /dev/null
+/*
+ * Renesas R-Car SRC support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include "rsnd.h"
+
+struct rsnd_src {
+ struct rsnd_src_platform_info *info; /* rcar_snd.h */
+ struct rsnd_mod mod;
+ struct clk *clk;
+};
+
+#define RSND_SRC_NAME_SIZE 16
+
+/*
+ * ADINR
+ */
+#define OTBL_24 (0 << 16)
+#define OTBL_22 (2 << 16)
+#define OTBL_20 (4 << 16)
+#define OTBL_18 (6 << 16)
+#define OTBL_16 (8 << 16)
+
+#define rsnd_src_mode_flags(p) ((p)->info->flags)
+#define rsnd_src_convert_rate(p) ((p)->info->convert_rate)
+#define rsnd_mod_to_src(_mod) \
+ container_of((_mod), struct rsnd_src, mod)
+#define rsnd_src_hpbif_is_enable(src) \
+ (rsnd_src_mode_flags(src) & RSND_SCU_USE_HPBIF)
+#define rsnd_src_dma_available(src) \
+ rsnd_dma_available(rsnd_mod_to_dma(&(src)->mod))
+
+#define for_each_rsnd_src(pos, priv, i) \
+ for ((i) = 0; \
+ ((i) < rsnd_src_nr(priv)) && \
+ ((pos) = (struct rsnd_src *)(priv)->src + i); \
+ i++)
+
+
+/*
+ * image of SRC (Sampling Rate Converter)
+ *
+ * 96kHz <-> +-----+ 48kHz +-----+ 48kHz +-------+
+ * 48kHz <-> | SRC | <------> | SSI | <-----> | codec |
+ * 44.1kHz <-> +-----+ +-----+ +-------+
+ * ...
+ *
+ */
+
+/*
+ * src.c is caring...
+ *
+ * Gen1
+ *
+ * [mem] -> [SRU] -> [SSI]
+ * |--------|
+ *
+ * Gen2
+ *
+ * [mem] -> [SRC] -> [SSIU] -> [SSI]
+ * |-----------------|
+ */
+
+/*
+ * How to use SRC bypass mode for debugging
+ *
+ * SRC has bypass mode, and it is useful for debugging.
+ * In Gen2 case,
+ * SRCm_MODE controls whether SRC is used or not
+ * SSI_MODE0 controls whether SSIU which receives SRC data
+ * is used or not.
+ * Both SRCm_MODE/SSI_MODE0 settings are needed if you use SRC,
+ * but SRC bypass mode needs SSI_MODE0 only.
+ *
+ * This driver request
+ * struct rsnd_src_platform_info {
+ * u32 flags;
+ * u32 convert_rate;
+ * }
+ *
+ * rsnd_src_hpbif_is_enable() will be true
+ * if flags had RSND_SRC_USE_HPBIF,
+ * and it controls whether SSIU is used or not.
+ *
+ * rsnd_src_convert_rate() indicates
+ * above convert_rate, and it controls
+ * whether SRC is used or not.
+ *
+ * ex) doesn't use SRC
+ * struct rsnd_src_platform_info info = {
+ * .flags = 0,
+ * .convert_rate = 0,
+ * };
+ *
+ * ex) uses SRC
+ * struct rsnd_src_platform_info info = {
+ * .flags = RSND_SRC_USE_HPBIF,
+ * .convert_rate = 48000,
+ * };
+ *
+ * ex) uses SRC bypass mode
+ * struct rsnd_src_platform_info info = {
+ * .flags = RSND_SRC_USE_HPBIF,
+ * .convert_rate = 0,
+ * };
+ *
+ */
+
+/*
+ * Gen1/Gen2 common functions
+ */
+int rsnd_src_ssi_mode_init(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
+ struct rsnd_mod *src_mod = rsnd_io_to_mod_src(io);
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ int ssi_id = rsnd_mod_id(ssi_mod);
+ int has_src = 0;
+
+ /*
+ * SSI_MODE0
+ */
+ if (info->dai_info) {
+ has_src = !!src_mod;
+ } else {
+ struct rsnd_src *src = rsnd_mod_to_src(src_mod);
+ has_src = rsnd_src_hpbif_is_enable(src);
+ }
+
+ rsnd_mod_bset(ssi_mod, SSI_MODE0, (1 << ssi_id),
+ has_src ? 0 : (1 << ssi_id));
+
+ /*
+ * SSI_MODE1
+ */
+ if (rsnd_ssi_is_pin_sharing(ssi_mod)) {
+ int shift = -1;
+ switch (ssi_id) {
+ case 1:
+ shift = 0;
+ break;
+ case 2:
+ shift = 2;
+ break;
+ case 4:
+ shift = 16;
+ break;
+ }
+
+ if (shift >= 0)
+ rsnd_mod_bset(ssi_mod, SSI_MODE1,
+ 0x3 << shift,
+ rsnd_dai_is_clk_master(rdai) ?
+ 0x2 << shift : 0x1 << shift);
+ }
+
+ return 0;
+}
+
+int rsnd_src_enable_ssi_irq(struct rsnd_mod *ssi_mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(ssi_mod);
+
+ /* enable PIO interrupt if Gen2 */
+ if (rsnd_is_gen2(priv))
+ rsnd_mod_write(ssi_mod, INT_ENABLE, 0x0f000000);
+
+ return 0;
+}
+
+unsigned int rsnd_src_get_ssi_rate(struct rsnd_priv *priv,
+ struct rsnd_dai_stream *io,
+ struct snd_pcm_runtime *runtime)
+{
+ struct rsnd_src *src;
+ unsigned int rate;
+
+ src = rsnd_mod_to_src(rsnd_io_to_mod_src(io));
+
+ /*
+ * return convert rate if SRC is used,
+ * otherwise, return runtime->rate as usual
+ */
+ rate = rsnd_src_convert_rate(src);
+ if (!rate)
+ rate = runtime->rate;
+
+ return rate;
+}
+
+static int rsnd_src_set_convert_rate(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ u32 adinr = runtime->channels;
+ u32 fsrate = 0;
+
+ if (convert_rate)
+ fsrate = 0x0400000 / convert_rate * runtime->rate;
+
+ /* set/clear soft reset */
+ rsnd_mod_write(mod, SRC_SWRSR, 0);
+ rsnd_mod_write(mod, SRC_SWRSR, 1);
+
+ /*
+ * Initialize the operation of the SRC internal circuits
+ * see rsnd_src_start()
+ */
+ rsnd_mod_write(mod, SRC_SRCIR, 1);
+
+ /* Set channel number and output bit length */
+ switch (runtime->sample_bits) {
+ case 16:
+ adinr |= OTBL_16;
+ break;
+ case 32:
+ adinr |= OTBL_24;
+ break;
+ default:
+ return -EIO;
+ }
+ rsnd_mod_write(mod, SRC_ADINR, adinr);
+
+ /* Enable the initial value of IFS */
+ if (fsrate) {
+ rsnd_mod_write(mod, SRC_IFSCR, 1);
+
+ /* Set initial value of IFS */
+ rsnd_mod_write(mod, SRC_IFSVR, fsrate);
+ }
+
+ /* use DMA transfer */
+ rsnd_mod_write(mod, SRC_BUSIF_MODE, 1);
+
+ return 0;
+}
+
+static int rsnd_src_init(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ clk_enable(src->clk);
+
+ return 0;
+}
+
+static int rsnd_src_quit(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ clk_disable(src->clk);
+
+ return 0;
+}
+
+static int rsnd_src_start(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ /*
+ * Cancel the initialization and operate the SRC function
+ * see rsnd_src_set_convert_rate()
+ */
+ rsnd_mod_write(mod, SRC_SRCIR, 0);
+
+ if (rsnd_src_convert_rate(src))
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 1);
+
+ return 0;
+}
+
+
+static int rsnd_src_stop(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ if (rsnd_src_convert_rate(src))
+ rsnd_mod_write(mod, SRC_ROUTE_MODE0, 0);
+
+ return 0;
+}
+
+static struct rsnd_mod_ops rsnd_src_non_ops = {
+ .name = "src (non)",
+};
+
+/*
+ * Gen1 functions
+ */
+static int rsnd_src_set_route_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct src_route_config {
+ u32 mask;
+ int shift;
+ } routes[] = {
+ { 0xF, 0, }, /* 0 */
+ { 0xF, 4, }, /* 1 */
+ { 0xF, 8, }, /* 2 */
+ { 0x7, 12, }, /* 3 */
+ { 0x7, 16, }, /* 4 */
+ { 0x7, 20, }, /* 5 */
+ { 0x7, 24, }, /* 6 */
+ { 0x3, 28, }, /* 7 */
+ { 0x3, 30, }, /* 8 */
+ };
+ u32 mask;
+ u32 val;
+ int id;
+
+ id = rsnd_mod_id(mod);
+ if (id < 0 || id >= ARRAY_SIZE(routes))
+ return -EIO;
+
+ /*
+ * SRC_ROUTE_SELECT
+ */
+ val = rsnd_dai_is_play(rdai, io) ? 0x1 : 0x2;
+ val = val << routes[id].shift;
+ mask = routes[id].mask << routes[id].shift;
+
+ rsnd_mod_bset(mod, SRC_ROUTE_SEL, mask, val);
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_timing_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ u32 mask;
+ u32 val;
+ int shift;
+ int id = rsnd_mod_id(mod);
+ int ret;
+
+ /*
+ * SRC_TIMING_SELECT
+ */
+ shift = (id % 4) * 8;
+ mask = 0x1F << shift;
+
+ /*
+ * ADG is used as source clock if SRC was used,
+ * then, SSI WS is used as destination clock.
+ * SSI WS is used as source clock if SRC is not used
+ * (when playback, source/destination become reverse when capture)
+ */
+ ret = 0;
+ if (convert_rate) {
+ /* use ADG */
+ val = 0;
+ ret = rsnd_adg_set_convert_clk_gen1(priv, mod,
+ runtime->rate,
+ convert_rate);
+ } else if (8 == id) {
+ /* use SSI WS, but SRU8 is special */
+ val = id << shift;
+ } else {
+ /* use SSI WS */
+ val = (id + 1) << shift;
+ }
+
+ if (ret < 0)
+ return ret;
+
+ switch (id / 4) {
+ case 0:
+ rsnd_mod_bset(mod, SRC_TMG_SEL0, mask, val);
+ break;
+ case 1:
+ rsnd_mod_bset(mod, SRC_TMG_SEL1, mask, val);
+ break;
+ case 2:
+ rsnd_mod_bset(mod, SRC_TMG_SEL2, mask, val);
+ break;
+ }
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_rate_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int ret;
+
+ ret = rsnd_src_set_convert_rate(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ /* Select SRC mode (fixed value) */
+ rsnd_mod_write(mod, SRC_SRCCR, 0x00010110);
+
+ /* Set the restriction value of the FS ratio (98%) */
+ rsnd_mod_write(mod, SRC_MNFSR,
+ rsnd_mod_read(mod, SRC_IFSVR) / 100 * 98);
+
+ /* no SRC_BFSSR settings, since SRC_SRCCR::BUFMD is 0 */
+
+ return 0;
+}
+
+static int rsnd_src_init_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int ret;
+
+ ret = rsnd_src_init(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_route_gen1(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_rate_gen1(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_timing_gen1(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int rsnd_src_start_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int id = rsnd_mod_id(mod);
+
+ rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), (1 << id));
+
+ return rsnd_src_start(mod, rdai, io);
+}
+
+static int rsnd_src_stop_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int id = rsnd_mod_id(mod);
+
+ rsnd_mod_bset(mod, SRC_ROUTE_CTRL, (1 << id), 0);
+
+ return rsnd_src_stop(mod, rdai, io);
+}
+
+static struct rsnd_mod_ops rsnd_src_gen1_ops = {
+ .name = "sru (gen1)",
+ .init = rsnd_src_init_gen1,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen1,
+ .stop = rsnd_src_stop_gen1,
+};
+
+/*
+ * Gen2 functions
+ */
+static int rsnd_src_set_convert_rate_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int ret;
+
+ ret = rsnd_src_set_convert_rate(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ rsnd_mod_write(mod, SSI_BUSIF_ADINR, rsnd_mod_read(mod, SRC_ADINR));
+ rsnd_mod_write(mod, SSI_BUSIF_MODE, rsnd_mod_read(mod, SRC_BUSIF_MODE));
+
+ rsnd_mod_write(mod, SRC_SRCCR, 0x00011110);
+
+ rsnd_mod_write(mod, SRC_BSDSR, 0x01800000);
+ rsnd_mod_write(mod, SRC_BSISR, 0x00100060);
+
+ return 0;
+}
+
+static int rsnd_src_set_convert_timing_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct snd_pcm_runtime *runtime = rsnd_io_to_runtime(io);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ u32 convert_rate = rsnd_src_convert_rate(src);
+ int ret;
+
+ if (convert_rate)
+ ret = rsnd_adg_set_convert_clk_gen2(mod, rdai, io,
+ runtime->rate,
+ convert_rate);
+ else
+ ret = rsnd_adg_set_convert_timing_gen2(mod, rdai, io);
+
+ return ret;
+}
+
+static int rsnd_src_probe_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+ struct rsnd_mod *ssi = rsnd_ssi_mod_get(priv, rsnd_mod_id(mod));
+ struct device *dev = rsnd_priv_to_dev(priv);
+ int ret;
+ int is_play;
+
+ if (info->dai_info)
+ is_play = rsnd_info_is_playback(priv, src);
+ else
+ is_play = rsnd_ssi_is_play(ssi);
+
+ ret = rsnd_dma_init(priv,
+ rsnd_mod_to_dma(mod),
+ is_play,
+ src->info->dma_id);
+ if (ret < 0)
+ dev_err(dev, "SRC DMA failed\n");
+
+ return ret;
+}
+
+static int rsnd_src_remove_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ rsnd_dma_quit(rsnd_mod_to_priv(mod), rsnd_mod_to_dma(mod));
+
+ return 0;
+}
+
+static int rsnd_src_init_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ int ret;
+
+ ret = rsnd_src_init(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_rate_gen2(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ ret = rsnd_src_set_convert_timing_gen2(mod, rdai, io);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static int rsnd_src_start_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ rsnd_dma_start(rsnd_mod_to_dma(&src->mod));
+
+ rsnd_mod_write(mod, SSI_CTRL, 0x1);
+ rsnd_mod_write(mod, SRC_CTRL, 0x11);
+
+ return rsnd_src_start(mod, rdai, io);
+}
+
+static int rsnd_src_stop_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai,
+ struct rsnd_dai_stream *io)
+{
+ struct rsnd_src *src = rsnd_mod_to_src(mod);
+
+ rsnd_mod_write(mod, SSI_CTRL, 0);
+ rsnd_mod_write(mod, SRC_CTRL, 0);
+
+ rsnd_dma_stop(rsnd_mod_to_dma(&src->mod));
+
+ return rsnd_src_stop(mod, rdai, io);
+}
+
+static struct rsnd_mod_ops rsnd_src_gen2_ops = {
+ .name = "src (gen2)",
+ .probe = rsnd_src_probe_gen2,
+ .remove = rsnd_src_remove_gen2,
+ .init = rsnd_src_init_gen2,
+ .quit = rsnd_src_quit,
+ .start = rsnd_src_start_gen2,
+ .stop = rsnd_src_stop_gen2,
+};
+
+struct rsnd_mod *rsnd_src_mod_get(struct rsnd_priv *priv, int id)
+{
+ if (WARN_ON(id < 0 || id >= rsnd_src_nr(priv)))
+ id = 0;
+
+ return &((struct rsnd_src *)(priv->src) + id)->mod;
+}
+
+int rsnd_src_probe(struct platform_device *pdev,
+ struct rsnd_priv *priv)
+{
+ struct rcar_snd_info *info = rsnd_priv_to_info(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_src *src;
+ struct rsnd_mod_ops *ops;
+ struct clk *clk;
+ char name[RSND_SRC_NAME_SIZE];
+ int i, nr;
+
+ /*
+ * init SRC
+ */
+ nr = info->src_info_nr;
+ if (!nr)
+ return 0;
+
+ src = devm_kzalloc(dev, sizeof(*src) * nr, GFP_KERNEL);
+ if (!src) {
+ dev_err(dev, "SRC allocate failed\n");
+ return -ENOMEM;
+ }
+
+ priv->src_nr = nr;
+ priv->src = src;
+
+ for_each_rsnd_src(src, priv, i) {
+ snprintf(name, RSND_SRC_NAME_SIZE, "src.%d", i);
+
+ clk = devm_clk_get(dev, name);
+ if (IS_ERR(clk)) {
+ snprintf(name, RSND_SRC_NAME_SIZE, "scu.%d", i);
+ clk = devm_clk_get(dev, name);
+ }
+
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
+
+ src->info = &info->src_info[i];
+ src->clk = clk;
+
+ ops = &rsnd_src_non_ops;
+ if (rsnd_src_hpbif_is_enable(src)) {
+ if (rsnd_is_gen1(priv))
+ ops = &rsnd_src_gen1_ops;
+ if (rsnd_is_gen2(priv))
+ ops = &rsnd_src_gen2_ops;
+ }
+
+ rsnd_mod_init(priv, &src->mod, ops, RSND_MOD_SRC, i);
+
+ dev_dbg(dev, "SRC%d probed\n", i);
+ }
+
+ return 0;
+}
1, 2, 4, 8, 16, 6, 12,
};
unsigned int main_rate;
- unsigned int rate = rsnd_scu_get_ssi_rate(priv, io, runtime);
+ unsigned int rate = rsnd_src_get_ssi_rate(priv, io, runtime);
/*
* Find best clock, and try to start ADG
ssi->cr_own = cr;
ssi->err = -1; /* ignore 1st error */
- rsnd_scu_ssi_mode_init(mod, rdai, io);
+ rsnd_src_ssi_mode_init(mod, rdai, io);
return 0;
}
/* enable PIO IRQ */
ssi->cr_etc = UIEN | OIEN | DIEN;
- rsnd_scu_enable_ssi_irq(mod, rdai, io);
+ rsnd_src_enable_ssi_irq(mod, rdai, io);
rsnd_ssi_hw_start(ssi, rdai, io);
projects / firefly-linux-kernel-4.4.55.git / commitdiff