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path: root/drivers/soundwire/mipi_disco.c
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Diffstat (limited to 'drivers/soundwire/mipi_disco.c')
-rw-r--r--drivers/soundwire/mipi_disco.c122
1 files changed, 64 insertions, 58 deletions
diff --git a/drivers/soundwire/mipi_disco.c b/drivers/soundwire/mipi_disco.c
index fdeba0c3b589..c1f51d6a23d2 100644
--- a/drivers/soundwire/mipi_disco.c
+++ b/drivers/soundwire/mipi_disco.c
@@ -35,11 +35,12 @@ int sdw_master_read_prop(struct sdw_bus *bus)
int nval, i;
device_property_read_u32(bus->dev,
- "mipi-sdw-sw-interface-revision", &prop->revision);
+ "mipi-sdw-sw-interface-revision",
+ &prop->revision);
/* Find master handle */
snprintf(name, sizeof(name),
- "mipi-sdw-master-%d-subproperties", bus->link_id);
+ "mipi-sdw-master-%d-subproperties", bus->link_id);
link = device_get_named_child_node(bus->dev, name);
if (!link) {
@@ -48,23 +49,23 @@ int sdw_master_read_prop(struct sdw_bus *bus)
}
if (fwnode_property_read_bool(link,
- "mipi-sdw-clock-stop-mode0-supported") == true)
+ "mipi-sdw-clock-stop-mode0-supported"))
prop->clk_stop_mode = SDW_CLK_STOP_MODE0;
if (fwnode_property_read_bool(link,
- "mipi-sdw-clock-stop-mode1-supported") == true)
+ "mipi-sdw-clock-stop-mode1-supported"))
prop->clk_stop_mode |= SDW_CLK_STOP_MODE1;
fwnode_property_read_u32(link,
- "mipi-sdw-max-clock-frequency", &prop->max_freq);
+ "mipi-sdw-max-clock-frequency",
+ &prop->max_freq);
nval = fwnode_property_read_u32_array(link,
"mipi-sdw-clock-frequencies-supported", NULL, 0);
if (nval > 0) {
-
prop->num_freq = nval;
prop->freq = devm_kcalloc(bus->dev, prop->num_freq,
- sizeof(*prop->freq), GFP_KERNEL);
+ sizeof(*prop->freq), GFP_KERNEL);
if (!prop->freq)
return -ENOMEM;
@@ -88,47 +89,49 @@ int sdw_master_read_prop(struct sdw_bus *bus)
nval = fwnode_property_read_u32_array(link,
"mipi-sdw-supported-clock-gears", NULL, 0);
if (nval > 0) {
-
prop->num_clk_gears = nval;
prop->clk_gears = devm_kcalloc(bus->dev, prop->num_clk_gears,
- sizeof(*prop->clk_gears), GFP_KERNEL);
+ sizeof(*prop->clk_gears),
+ GFP_KERNEL);
if (!prop->clk_gears)
return -ENOMEM;
fwnode_property_read_u32_array(link,
- "mipi-sdw-supported-clock-gears",
- prop->clk_gears, prop->num_clk_gears);
+ "mipi-sdw-supported-clock-gears",
+ prop->clk_gears,
+ prop->num_clk_gears);
}
fwnode_property_read_u32(link, "mipi-sdw-default-frame-rate",
- &prop->default_frame_rate);
+ &prop->default_frame_rate);
fwnode_property_read_u32(link, "mipi-sdw-default-frame-row-size",
- &prop->default_row);
+ &prop->default_row);
fwnode_property_read_u32(link, "mipi-sdw-default-frame-col-size",
- &prop->default_col);
+ &prop->default_col);
prop->dynamic_frame = fwnode_property_read_bool(link,
"mipi-sdw-dynamic-frame-shape");
fwnode_property_read_u32(link, "mipi-sdw-command-error-threshold",
- &prop->err_threshold);
+ &prop->err_threshold);
return 0;
}
EXPORT_SYMBOL(sdw_master_read_prop);
static int sdw_slave_read_dp0(struct sdw_slave *slave,
- struct fwnode_handle *port, struct sdw_dp0_prop *dp0)
+ struct fwnode_handle *port,
+ struct sdw_dp0_prop *dp0)
{
int nval;
fwnode_property_read_u32(port, "mipi-sdw-port-max-wordlength",
- &dp0->max_word);
+ &dp0->max_word);
fwnode_property_read_u32(port, "mipi-sdw-port-min-wordlength",
- &dp0->min_word);
+ &dp0->min_word);
nval = fwnode_property_read_u32_array(port,
"mipi-sdw-port-wordlength-configs", NULL, 0);
@@ -136,8 +139,8 @@ static int sdw_slave_read_dp0(struct sdw_slave *slave,
dp0->num_words = nval;
dp0->words = devm_kcalloc(&slave->dev,
- dp0->num_words, sizeof(*dp0->words),
- GFP_KERNEL);
+ dp0->num_words, sizeof(*dp0->words),
+ GFP_KERNEL);
if (!dp0->words)
return -ENOMEM;
@@ -146,20 +149,21 @@ static int sdw_slave_read_dp0(struct sdw_slave *slave,
dp0->words, dp0->num_words);
}
- dp0->flow_controlled = fwnode_property_read_bool(
- port, "mipi-sdw-bra-flow-controlled");
+ dp0->flow_controlled = fwnode_property_read_bool(port,
+ "mipi-sdw-bra-flow-controlled");
- dp0->simple_ch_prep_sm = fwnode_property_read_bool(
- port, "mipi-sdw-simplified-channel-prepare-sm");
+ dp0->simple_ch_prep_sm = fwnode_property_read_bool(port,
+ "mipi-sdw-simplified-channel-prepare-sm");
- dp0->device_interrupts = fwnode_property_read_bool(
- port, "mipi-sdw-imp-def-dp0-interrupts-supported");
+ dp0->device_interrupts = fwnode_property_read_bool(port,
+ "mipi-sdw-imp-def-dp0-interrupts-supported");
return 0;
}
static int sdw_slave_read_dpn(struct sdw_slave *slave,
- struct sdw_dpn_prop *dpn, int count, int ports, char *type)
+ struct sdw_dpn_prop *dpn, int count, int ports,
+ char *type)
{
struct fwnode_handle *node;
u32 bit, i = 0;
@@ -173,7 +177,7 @@ static int sdw_slave_read_dpn(struct sdw_slave *slave,
for_each_set_bit(bit, &addr, 32) {
snprintf(name, sizeof(name),
- "mipi-sdw-dp-%d-%s-subproperties", bit, type);
+ "mipi-sdw-dp-%d-%s-subproperties", bit, type);
dpn[i].num = bit;
@@ -184,18 +188,18 @@ static int sdw_slave_read_dpn(struct sdw_slave *slave,
}
fwnode_property_read_u32(node, "mipi-sdw-port-max-wordlength",
- &dpn[i].max_word);
+ &dpn[i].max_word);
fwnode_property_read_u32(node, "mipi-sdw-port-min-wordlength",
- &dpn[i].min_word);
+ &dpn[i].min_word);
nval = fwnode_property_read_u32_array(node,
"mipi-sdw-port-wordlength-configs", NULL, 0);
if (nval > 0) {
-
dpn[i].num_words = nval;
dpn[i].words = devm_kcalloc(&slave->dev,
- dpn[i].num_words,
- sizeof(*dpn[i].words), GFP_KERNEL);
+ dpn[i].num_words,
+ sizeof(*dpn[i].words),
+ GFP_KERNEL);
if (!dpn[i].words)
return -ENOMEM;
@@ -205,36 +209,36 @@ static int sdw_slave_read_dpn(struct sdw_slave *slave,
}
fwnode_property_read_u32(node, "mipi-sdw-data-port-type",
- &dpn[i].type);
+ &dpn[i].type);
fwnode_property_read_u32(node,
- "mipi-sdw-max-grouping-supported",
- &dpn[i].max_grouping);
+ "mipi-sdw-max-grouping-supported",
+ &dpn[i].max_grouping);
dpn[i].simple_ch_prep_sm = fwnode_property_read_bool(node,
"mipi-sdw-simplified-channelprepare-sm");
fwnode_property_read_u32(node,
- "mipi-sdw-port-channelprepare-timeout",
- &dpn[i].ch_prep_timeout);
+ "mipi-sdw-port-channelprepare-timeout",
+ &dpn[i].ch_prep_timeout);
fwnode_property_read_u32(node,
"mipi-sdw-imp-def-dpn-interrupts-supported",
&dpn[i].device_interrupts);
fwnode_property_read_u32(node, "mipi-sdw-min-channel-number",
- &dpn[i].min_ch);
+ &dpn[i].min_ch);
fwnode_property_read_u32(node, "mipi-sdw-max-channel-number",
- &dpn[i].max_ch);
+ &dpn[i].max_ch);
nval = fwnode_property_read_u32_array(node,
"mipi-sdw-channel-number-list", NULL, 0);
if (nval > 0) {
-
dpn[i].num_ch = nval;
dpn[i].ch = devm_kcalloc(&slave->dev, dpn[i].num_ch,
- sizeof(*dpn[i].ch), GFP_KERNEL);
+ sizeof(*dpn[i].ch),
+ GFP_KERNEL);
if (!dpn[i].ch)
return -ENOMEM;
@@ -246,7 +250,6 @@ static int sdw_slave_read_dpn(struct sdw_slave *slave,
nval = fwnode_property_read_u32_array(node,
"mipi-sdw-channel-combination-list", NULL, 0);
if (nval > 0) {
-
dpn[i].num_ch_combinations = nval;
dpn[i].ch_combinations = devm_kcalloc(&slave->dev,
dpn[i].num_ch_combinations,
@@ -265,13 +268,13 @@ static int sdw_slave_read_dpn(struct sdw_slave *slave,
"mipi-sdw-modes-supported", &dpn[i].modes);
fwnode_property_read_u32(node, "mipi-sdw-max-async-buffer",
- &dpn[i].max_async_buffer);
+ &dpn[i].max_async_buffer);
dpn[i].block_pack_mode = fwnode_property_read_bool(node,
"mipi-sdw-block-packing-mode");
fwnode_property_read_u32(node, "mipi-sdw-port-encoding-type",
- &dpn[i].port_encoding);
+ &dpn[i].port_encoding);
/* TODO: Read audio mode */
@@ -293,7 +296,7 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
int num_of_ports, nval, i, dp0 = 0;
device_property_read_u32(dev, "mipi-sdw-sw-interface-revision",
- &prop->mipi_revision);
+ &prop->mipi_revision);
prop->wake_capable = device_property_read_bool(dev,
"mipi-sdw-wake-up-unavailable");
@@ -311,10 +314,10 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
"mipi-sdw-simplified-clockstopprepare-sm-supported");
device_property_read_u32(dev, "mipi-sdw-clockstopprepare-timeout",
- &prop->clk_stop_timeout);
+ &prop->clk_stop_timeout);
device_property_read_u32(dev, "mipi-sdw-slave-channelprepare-timeout",
- &prop->ch_prep_timeout);
+ &prop->ch_prep_timeout);
device_property_read_u32(dev,
"mipi-sdw-clockstopprepare-hard-reset-behavior",
@@ -333,22 +336,22 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
"mipi-sdw-port15-read-behavior", &prop->p15_behave);
device_property_read_u32(dev, "mipi-sdw-master-count",
- &prop->master_count);
+ &prop->master_count);
device_property_read_u32(dev, "mipi-sdw-source-port-list",
- &prop->source_ports);
+ &prop->source_ports);
device_property_read_u32(dev, "mipi-sdw-sink-port-list",
- &prop->sink_ports);
+ &prop->sink_ports);
/* Read dp0 properties */
port = device_get_named_child_node(dev, "mipi-sdw-dp-0-subproperties");
if (!port) {
dev_dbg(dev, "DP0 node not found!!\n");
} else {
-
prop->dp0_prop = devm_kzalloc(&slave->dev,
- sizeof(*prop->dp0_prop), GFP_KERNEL);
+ sizeof(*prop->dp0_prop),
+ GFP_KERNEL);
if (!prop->dp0_prop)
return -ENOMEM;
@@ -364,23 +367,25 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
/* Allocate memory for set bits in port lists */
nval = hweight32(prop->source_ports);
prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
- sizeof(*prop->src_dpn_prop), GFP_KERNEL);
+ sizeof(*prop->src_dpn_prop),
+ GFP_KERNEL);
if (!prop->src_dpn_prop)
return -ENOMEM;
/* Read dpn properties for source port(s) */
sdw_slave_read_dpn(slave, prop->src_dpn_prop, nval,
- prop->source_ports, "source");
+ prop->source_ports, "source");
nval = hweight32(prop->sink_ports);
prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
- sizeof(*prop->sink_dpn_prop), GFP_KERNEL);
+ sizeof(*prop->sink_dpn_prop),
+ GFP_KERNEL);
if (!prop->sink_dpn_prop)
return -ENOMEM;
/* Read dpn properties for sink port(s) */
sdw_slave_read_dpn(slave, prop->sink_dpn_prop, nval,
- prop->sink_ports, "sink");
+ prop->sink_ports, "sink");
/* some ports are bidirectional so check total ports by ORing */
nval = prop->source_ports | prop->sink_ports;
@@ -388,7 +393,8 @@ int sdw_slave_read_prop(struct sdw_slave *slave)
/* Allocate port_ready based on num_of_ports */
slave->port_ready = devm_kcalloc(&slave->dev, num_of_ports,
- sizeof(*slave->port_ready), GFP_KERNEL);
+ sizeof(*slave->port_ready),
+ GFP_KERNEL);
if (!slave->port_ready)
return -ENOMEM;