SSI subnode properties:
- interrupts : Should contain SSI interrupt for PIO transfer
- shared-pin : if shared clock pin
+- pio-transfer : use PIO transfer mode
SRC subnode properties:
no properties at this point
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
#include "davinci-pcm.h"
#include "davinci-mcasp.h"
-#include "../omap/omap-pcm.h"
#define MCASP_MAX_AFIFO_DEPTH 64
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
#include "omap-dmic.h"
-#include "omap-pcm.h"
struct omap_dmic {
struct device *dev;
#include <sound/asoundef.h>
#include <sound/dmaengine_pcm.h>
#include <video/omapdss.h>
+#include <sound/omap-pcm.h>
#include "omap-hdmi.h"
-#include "omap-pcm.h"
#define DRV_NAME "omap-hdmi-audio-dai"
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "mcbsp.h"
#include "omap-mcbsp.h"
-#include "omap-pcm.h"
#define OMAP_MCBSP_RATES (SNDRV_PCM_RATE_8000_96000)
#include <sound/pcm_params.h>
#include <sound/soc.h>
#include <sound/dmaengine_pcm.h>
+#include <sound/omap-pcm.h>
#include "omap-mcpdm.h"
-#include "omap-pcm.h"
struct mcpdm_link_config {
u32 link_mask; /* channel mask for the direction */
return !!dma->chan;
}
+#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)
+ return snprintf(dma_name, DMA_NAME_SIZE / 2, "%s%d",
+ rsnd_mod_name(mod), rsnd_mod_id(mod));
+ else
+ return snprintf(dma_name, DMA_NAME_SIZE / 2, "mem");
+
+}
+
+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;
+ break;
+ } else if (!dvc) {
+ mod[i] = src;
+ src = NULL;
+ } else {
+ mod[i] = dvc;
+ dvc = NULL;
+ }
+
+ if (mod[i] == this)
+ index = i;
+ }
+
+ 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);
+}
+
int rsnd_dma_init(struct rsnd_priv *priv, struct rsnd_dma *dma,
int is_play, int id)
{
struct device *dev = rsnd_priv_to_dev(priv);
struct dma_slave_config cfg;
+ char dma_name[DMA_NAME_SIZE];
dma_cap_mask_t mask;
int ret;
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
+ if (dev->of_node)
+ rsnd_dma_of_name(dma, is_play, dma_name);
+ else
+ snprintf(dma_name, DMA_NAME_SIZE,
+ is_play ? "tx" : "rx");
+
+ dev_dbg(dev, "dma name : %s\n", dma_name);
+
dma->chan = dma_request_slave_channel_compat(mask, shdma_chan_filter,
(void *)id, dev,
- is_play ? "tx" : "rx");
+ dma_name);
if (!dma->chan) {
dev_err(dev, "can't get dma channel\n");
return -EIO;
}
- cfg.slave_id = id;
- cfg.dst_addr = 0; /* use default addr when playback */
- cfg.src_addr = 0; /* use default addr when capture */
- cfg.direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+ rsnd_gen_dma_addr(priv, dma, &cfg, is_play, id);
ret = dmaengine_slave_config(dma->chan, &cfg);
if (ret < 0)
return -ENODEV;
}
- priv->dev = dev;
+ priv->pdev = pdev;
priv->info = info;
spin_lock_init(&priv->lock);
#define RSND_DVC_NAME_SIZE 16
#define RSND_DVC_VOLUME_MAX 100
#define RSND_DVC_VOLUME_NUM 2
+
+#define DVC_NAME "dvc"
+
struct rsnd_dvc {
struct rsnd_dvc_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
rsnd_mod_write(mod, DVC_VOL1R, vol[1]);
}
+static int rsnd_dvc_probe_gen2(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod));
+
+ return 0;
+}
+
static int rsnd_dvc_init(struct rsnd_mod *dvc_mod,
struct rsnd_dai *rdai)
{
}
static struct rsnd_mod_ops rsnd_dvc_ops = {
- .name = "dvc (gen2)",
+ .name = DVC_NAME,
+ .probe = rsnd_dvc_probe_gen2,
.init = rsnd_dvc_init,
.quit = rsnd_dvc_quit,
.start = rsnd_dvc_start,
priv->dvc = dvc;
for_each_rsnd_dvc(dvc, priv, i) {
- snprintf(name, RSND_DVC_NAME_SIZE, "dvc.%d", i);
+ snprintf(name, RSND_DVC_NAME_SIZE, "%s.%d",
+ DVC_NAME, i);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk))
return 0;
}
+/*
+ * 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 / 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_SSI_I_P(addr, i) (addr ##_reg - 0x00141000 + (0x1000 * i))
+#define RDMA_SSI_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))
+
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+ struct rsnd_dma *dma,
+ struct dma_slave_config *cfg,
+ int is_play, int slave_id)
+{
+ struct platform_device *pdev = rsnd_priv_to_pdev(priv);
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_mod *mod = rsnd_dma_to_mod(dma);
+ struct rsnd_dai_stream *io = rsnd_mod_to_io(mod);
+ dma_addr_t ssi_reg = platform_get_resource(pdev,
+ IORESOURCE_MEM, RSND_GEN2_SSI)->start;
+ dma_addr_t src_reg = platform_get_resource(pdev,
+ IORESOURCE_MEM, RSND_GEN2_SCU)->start;
+ 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 src_addr;
+ dma_addr_t dst_addr;
+ } dma_addrs[2][2][3] = {
+ { /* SRC */
+ /* Capture */
+ {{ 0, 0 },
+ { RDMA_SRC_O_N(src, id), 0 },
+ { RDMA_CMD_O_N(src, id), 0 }},
+ /* Playback */
+ {{ 0, 0, },
+ { 0, RDMA_SRC_I_N(src, id) },
+ { 0, RDMA_SRC_I_N(src, id) }}
+ }, { /* SSI */
+ /* Capture */
+ {{ RDMA_SSI_O_N(ssi, id), 0 },
+ { RDMA_SSI_O_P(ssi, id), RDMA_SRC_I_P(src, id) },
+ { RDMA_SSI_O_P(ssi, id), RDMA_SRC_I_P(src, id) }},
+ /* Playback */
+ {{ 0, RDMA_SSI_I_N(ssi, id) },
+ { RDMA_SRC_O_P(src, id), RDMA_SSI_I_P(ssi, id) },
+ { RDMA_CMD_O_P(src, id), RDMA_SSI_I_P(ssi, id) }}
+ }
+ };
+
+ cfg->slave_id = slave_id;
+ cfg->src_addr = 0;
+ cfg->dst_addr = 0;
+ cfg->direction = is_play ? DMA_MEM_TO_DEV : DMA_DEV_TO_MEM;
+
+ /*
+ * gen1 uses default DMA addr
+ */
+ if (rsnd_is_gen1(priv))
+ return;
+
+ /* it shouldn't happen */
+ if (use_dvc & !use_src) {
+ dev_err(dev, "DVC is selected without SRC\n");
+ return;
+ }
+
+ cfg->src_addr = dma_addrs[is_ssi][is_play][use_src + use_dvc].src_addr;
+ cfg->dst_addr = dma_addrs[is_ssi][is_play][use_src + use_dvc].dst_addr;
+
+ dev_dbg(dev, "dma%d addr - src : %x / dst : %x\n",
+ id, cfg->src_addr, cfg->dst_addr);
+}
+
/*
* Gen2
*/
void __iomem *rsnd_gen_reg_get(struct rsnd_priv *priv,
struct rsnd_mod *mod,
enum rsnd_reg reg);
+void rsnd_gen_dma_addr(struct rsnd_priv *priv,
+ struct rsnd_dma *dma,
+ struct dma_slave_config *cfg,
+ int is_play, int slave_id);
+
#define rsnd_is_gen1(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN1)
#define rsnd_is_gen2(s) (((s)->info->flags & RSND_GEN_MASK) == RSND_GEN2)
struct rsnd_priv {
- struct device *dev;
+ struct platform_device *pdev;
struct rcar_snd_info *info;
spinlock_t lock;
int rdai_nr;
};
-#define rsnd_priv_to_dev(priv) ((priv)->dev)
+#define rsnd_priv_to_pdev(priv) ((priv)->pdev)
+#define rsnd_priv_to_dev(priv) (&(rsnd_priv_to_pdev(priv)->dev))
#define rsnd_priv_to_info(priv) ((priv)->info)
#define rsnd_lock(priv, flags) spin_lock_irqsave(&priv->lock, flags)
#define rsnd_unlock(priv, flags) spin_unlock_irqrestore(&priv->lock, flags)
*/
#include "rsnd.h"
+#define SRC_NAME "src"
+
struct rsnd_src {
struct rsnd_src_platform_info *info; /* rcar_snd.h */
struct rsnd_mod mod;
return 0;
}
-static struct rsnd_mod_ops rsnd_src_non_ops = {
- .name = "src (non)",
-};
-
/*
* Gen1 functions
*/
return 0;
}
+static int rsnd_src_probe_gen1(struct rsnd_mod *mod,
+ struct rsnd_dai *rdai)
+{
+ struct rsnd_priv *priv = rsnd_mod_to_priv(mod);
+ struct device *dev = rsnd_priv_to_dev(priv);
+
+ dev_dbg(dev, "%s (Gen1) is probed\n", rsnd_mod_name(mod));
+
+ return 0;
+}
+
static int rsnd_src_init_gen1(struct rsnd_mod *mod,
struct rsnd_dai *rdai)
{
}
static struct rsnd_mod_ops rsnd_src_gen1_ops = {
- .name = "sru (gen1)",
+ .name = SRC_NAME,
+ .probe = rsnd_src_probe_gen1,
.init = rsnd_src_init_gen1,
.quit = rsnd_src_quit,
.start = rsnd_src_start_gen1,
if (ret < 0)
dev_err(dev, "SRC DMA failed\n");
+ dev_dbg(dev, "%s (Gen2) is probed\n", rsnd_mod_name(mod));
+
return ret;
}
}
static struct rsnd_mod_ops rsnd_src_gen2_ops = {
- .name = "src (gen2)",
+ .name = SRC_NAME,
.probe = rsnd_src_probe_gen2,
.remove = rsnd_src_remove_gen2,
.init = rsnd_src_init_gen2,
nr = of_get_child_count(src_node);
if (!nr)
- return;
+ goto rsnd_of_parse_src_end;
src_info = devm_kzalloc(dev,
sizeof(struct rsnd_src_platform_info) * nr,
GFP_KERNEL);
if (!src_info) {
dev_err(dev, "src info allocation error\n");
- return;
+ goto rsnd_of_parse_src_end;
}
info->src_info = src_info;
info->src_info_nr = nr;
+
+rsnd_of_parse_src_end:
+ of_node_put(src_node);
}
int rsnd_src_probe(struct platform_device *pdev,
char name[RSND_SRC_NAME_SIZE];
int i, nr;
+ ops = NULL;
+ if (rsnd_is_gen1(priv))
+ ops = &rsnd_src_gen1_ops;
+ if (rsnd_is_gen2(priv))
+ ops = &rsnd_src_gen2_ops;
+ if (!ops) {
+ dev_err(dev, "unknown Generation\n");
+ return -EIO;
+ }
+
rsnd_of_parse_src(pdev, of_data, priv);
/*
priv->src = src;
for_each_rsnd_src(src, priv, i) {
- snprintf(name, RSND_SRC_NAME_SIZE, "src.%d", i);
+ snprintf(name, RSND_SRC_NAME_SIZE, "%s.%d",
+ SRC_NAME, i);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk))
src->info = &info->src_info[i];
src->clk = clk;
- ops = &rsnd_src_non_ops;
- 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);
*/
#define CONT (1 << 8) /* WS Continue Function */
+#define SSI_NAME "ssi"
+
struct rsnd_ssi {
struct clk *clk;
struct rsnd_ssi_platform_info *info; /* rcar_snd.h */
if (ret)
dev_err(dev, "SSI request interrupt failed\n");
+ dev_dbg(dev, "%s (PIO) is probed\n", rsnd_mod_name(mod));
+
return ret;
}
}
static struct rsnd_mod_ops rsnd_ssi_pio_ops = {
- .name = "ssi (pio)",
+ .name = SSI_NAME,
.probe = rsnd_ssi_pio_probe,
.init = rsnd_ssi_init,
.quit = rsnd_ssi_quit,
if (ret < 0)
dev_err(dev, "SSI DMA failed\n");
+ dev_dbg(dev, "%s (DMA) is probed\n", rsnd_mod_name(mod));
+
return ret;
}
}
static struct rsnd_mod_ops rsnd_ssi_dma_ops = {
- .name = "ssi (dma)",
+ .name = SSI_NAME,
.probe = rsnd_ssi_dma_probe,
.remove = rsnd_ssi_dma_remove,
.init = rsnd_ssi_init,
* Non SSI
*/
static struct rsnd_mod_ops rsnd_ssi_non_ops = {
- .name = "ssi (non)",
+ .name = SSI_NAME,
};
/*
nr = of_get_child_count(node);
if (!nr)
- return;
+ goto rsnd_of_parse_ssi_end;
ssi_info = devm_kzalloc(dev,
sizeof(struct rsnd_ssi_platform_info) * nr,
GFP_KERNEL);
if (!ssi_info) {
dev_err(dev, "ssi info allocation error\n");
- return;
+ goto rsnd_of_parse_ssi_end;
}
info->ssi_info = ssi_info;
* irq
*/
ssi_info->pio_irq = irq_of_parse_and_map(np, 0);
+
+ /*
+ * DMA
+ */
+ ssi_info->dma_id = of_get_property(np, "pio-transfer", NULL) ?
+ 0 : 1;
}
+
+rsnd_of_parse_ssi_end:
+ of_node_put(node);
}
int rsnd_ssi_probe(struct platform_device *pdev,
for_each_rsnd_ssi(ssi, priv, i) {
pinfo = &info->ssi_info[i];
- snprintf(name, RSND_SSI_NAME_SIZE, "ssi.%d", i);
+ snprintf(name, RSND_SSI_NAME_SIZE, "%s.%d",
+ SSI_NAME, i);
clk = devm_clk_get(dev, name);
if (IS_ERR(clk))
projects / karo-tx-linux.git / commitdiff