drivers/gpu/drm/bridge/sii902x.c

1010

struct sii902x *sii902x = i2c_mux_priv(mux);

drivers/gpu/drm/bridge/sii902x.c

1011

struct device *dev = &sii902x->i2c->dev;

drivers/gpu/drm/bridge/sii902x.c

1031

ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

1040

ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

1049

ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

1072

static int sii902x_init(struct sii902x *sii902x)

drivers/gpu/drm/bridge/sii902x.c

1074

struct device *dev = &sii902x->i2c->dev;

drivers/gpu/drm/bridge/sii902x.c

1079

sii902x_reset(sii902x);

drivers/gpu/drm/bridge/sii902x.c

1081

ret = regmap_write(sii902x->regmap, SII902X_REG_TPI_RQB, 0x0);

drivers/gpu/drm/bridge/sii902x.c

1085

ret = regmap_bulk_read(sii902x->regmap, SII902X_REG_CHIPID(0),

drivers/gpu/drm/bridge/sii902x.c

1099

regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);

drivers/gpu/drm/bridge/sii902x.c

1100

regmap_write(sii902x->regmap, SII902X_INT_STATUS, status);

drivers/gpu/drm/bridge/sii902x.c

1102

if (sii902x->i2c->irq > 0) {

drivers/gpu/drm/bridge/sii902x.c

1103

regmap_write(sii902x->regmap, SII902X_INT_ENABLE,

drivers/gpu/drm/bridge/sii902x.c

1106

ret = devm_request_threaded_irq(dev, sii902x->i2c->irq, NULL,

drivers/gpu/drm/bridge/sii902x.c

1109

sii902x);

drivers/gpu/drm/bridge/sii902x.c

1114

ret = sii902x_audio_codec_init(sii902x, dev);

drivers/gpu/drm/bridge/sii902x.c

1118

i2c_set_clientdata(sii902x->i2c, sii902x);

drivers/gpu/drm/bridge/sii902x.c

1120

sii902x->i2cmux = i2c_mux_alloc(sii902x->i2c->adapter, dev,

drivers/gpu/drm/bridge/sii902x.c

1124

if (!sii902x->i2cmux) {

drivers/gpu/drm/bridge/sii902x.c

1129

sii902x->i2cmux->priv = sii902x;

drivers/gpu/drm/bridge/sii902x.c

1130

ret = i2c_mux_add_adapter(sii902x->i2cmux, 0, 0);

drivers/gpu/drm/bridge/sii902x.c

1134

sii902x->bridge.of_node = dev->of_node;

drivers/gpu/drm/bridge/sii902x.c

1135

sii902x->bridge.timings = &default_sii902x_timings;

drivers/gpu/drm/bridge/sii902x.c

1136

sii902x->bridge.ops = DRM_BRIDGE_OP_DETECT | DRM_BRIDGE_OP_EDID;

drivers/gpu/drm/bridge/sii902x.c

1137

sii902x->bridge.type = DRM_MODE_CONNECTOR_HDMIA;

drivers/gpu/drm/bridge/sii902x.c

1139

if (sii902x->i2c->irq > 0)

drivers/gpu/drm/bridge/sii902x.c

1140

sii902x->bridge.ops |= DRM_BRIDGE_OP_HPD;

drivers/gpu/drm/bridge/sii902x.c

1142

drm_bridge_add(&sii902x->bridge);

drivers/gpu/drm/bridge/sii902x.c

1147

if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))

drivers/gpu/drm/bridge/sii902x.c

1148

platform_device_unregister(sii902x->audio.pdev);

drivers/gpu/drm/bridge/sii902x.c

1157

struct sii902x *sii902x;

drivers/gpu/drm/bridge/sii902x.c

1168

sii902x = devm_drm_bridge_alloc(dev, struct sii902x, bridge, &sii902x_bridge_funcs);

drivers/gpu/drm/bridge/sii902x.c

1169

if (IS_ERR(sii902x))

drivers/gpu/drm/bridge/sii902x.c

1170

return PTR_ERR(sii902x);

drivers/gpu/drm/bridge/sii902x.c

1172

sii902x->i2c = client;

drivers/gpu/drm/bridge/sii902x.c

1173

sii902x->regmap = devm_regmap_init_i2c(client, &sii902x_regmap_config);

drivers/gpu/drm/bridge/sii902x.c

1174

if (IS_ERR(sii902x->regmap))

drivers/gpu/drm/bridge/sii902x.c

1175

return PTR_ERR(sii902x->regmap);

drivers/gpu/drm/bridge/sii902x.c

1177

sii902x->reset_gpio = devm_gpiod_get_optional(dev, "reset",

drivers/gpu/drm/bridge/sii902x.c

1179

if (IS_ERR(sii902x->reset_gpio)) {

drivers/gpu/drm/bridge/sii902x.c

1181

PTR_ERR(sii902x->reset_gpio));

drivers/gpu/drm/bridge/sii902x.c

1182

return PTR_ERR(sii902x->reset_gpio);

drivers/gpu/drm/bridge/sii902x.c

1185

sii902x->bus_width = 24;

drivers/gpu/drm/bridge/sii902x.c

1188

of_property_read_u32(endpoint, "bus-width", &sii902x->bus_width);

drivers/gpu/drm/bridge/sii902x.c

1206

sii902x->bridge.next_bridge = of_drm_find_and_get_bridge(remote);

drivers/gpu/drm/bridge/sii902x.c

1208

if (!sii902x->bridge.next_bridge)

drivers/gpu/drm/bridge/sii902x.c

1213

mutex_init(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

1219

return sii902x_init(sii902x);

drivers/gpu/drm/bridge/sii902x.c

1224

struct sii902x *sii902x = i2c_get_clientdata(client);

drivers/gpu/drm/bridge/sii902x.c

1226

drm_bridge_remove(&sii902x->bridge);

drivers/gpu/drm/bridge/sii902x.c

1227

i2c_mux_del_adapters(sii902x->i2cmux);

drivers/gpu/drm/bridge/sii902x.c

1229

if (!PTR_ERR_OR_ZERO(sii902x->audio.pdev))

drivers/gpu/drm/bridge/sii902x.c

1230

platform_device_unregister(sii902x->audio.pdev);

drivers/gpu/drm/bridge/sii902x.c

235

static inline struct sii902x *bridge_to_sii902x(struct drm_bridge *bridge)

drivers/gpu/drm/bridge/sii902x.c

237

return container_of(bridge, struct sii902x, bridge);

drivers/gpu/drm/bridge/sii902x.c

240

static inline struct sii902x *connector_to_sii902x(struct drm_connector *con)

drivers/gpu/drm/bridge/sii902x.c

242

return container_of(con, struct sii902x, connector);

drivers/gpu/drm/bridge/sii902x.c

245

static void sii902x_reset(struct sii902x *sii902x)

drivers/gpu/drm/bridge/sii902x.c

247

if (!sii902x->reset_gpio)

drivers/gpu/drm/bridge/sii902x.c

250

gpiod_set_value_cansleep(sii902x->reset_gpio, 1);

drivers/gpu/drm/bridge/sii902x.c

255

gpiod_set_value_cansleep(sii902x->reset_gpio, 0);

drivers/gpu/drm/bridge/sii902x.c

258

static enum drm_connector_status sii902x_detect(struct sii902x *sii902x)

drivers/gpu/drm/bridge/sii902x.c

262

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

264

regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);

drivers/gpu/drm/bridge/sii902x.c

266

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

275

struct sii902x *sii902x = connector_to_sii902x(connector);

drivers/gpu/drm/bridge/sii902x.c

277

return sii902x_detect(sii902x);

drivers/gpu/drm/bridge/sii902x.c

289

static const struct drm_edid *sii902x_edid_read(struct sii902x *sii902x,

drivers/gpu/drm/bridge/sii902x.c

294

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

296

drm_edid = drm_edid_read_ddc(connector, sii902x->i2cmux->adapter[0]);

drivers/gpu/drm/bridge/sii902x.c

298

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

305

struct sii902x *sii902x = connector_to_sii902x(connector);

drivers/gpu/drm/bridge/sii902x.c

309

drm_edid = sii902x_edid_read(sii902x, connector);

drivers/gpu/drm/bridge/sii902x.c

326

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

328

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

330

regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

334

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

340

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

348

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

350

regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

352

regmap_update_bits(sii902x->regmap, SII902X_PWR_STATE_CTRL,

drivers/gpu/drm/bridge/sii902x.c

355

regmap_update_bits(sii902x->regmap, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

358

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

365

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

366

struct regmap *regmap = sii902x->regmap;

drivers/gpu/drm/bridge/sii902x.c

385

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

392

&sii902x->connector, adj);

drivers/gpu/drm/bridge/sii902x.c

410

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

417

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

423

return drm_bridge_attach(encoder, sii902x->bridge.next_bridge,

drivers/gpu/drm/bridge/sii902x.c

426

drm_connector_helper_add(&sii902x->connector,

drivers/gpu/drm/bridge/sii902x.c

430

dev_err(&sii902x->i2c->dev,

drivers/gpu/drm/bridge/sii902x.c

435

ret = drm_connector_init(drm, &sii902x->connector,

drivers/gpu/drm/bridge/sii902x.c

441

if (sii902x->i2c->irq > 0)

drivers/gpu/drm/bridge/sii902x.c

442

sii902x->connector.polled = DRM_CONNECTOR_POLL_HPD;

drivers/gpu/drm/bridge/sii902x.c

444

sii902x->connector.polled = DRM_CONNECTOR_POLL_CONNECT;

drivers/gpu/drm/bridge/sii902x.c

446

ret = drm_display_info_set_bus_formats(&sii902x->connector.display_info,

drivers/gpu/drm/bridge/sii902x.c

451

drm_connector_attach_encoder(&sii902x->connector, encoder);

drivers/gpu/drm/bridge/sii902x.c

459

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

461

return sii902x_detect(sii902x);

drivers/gpu/drm/bridge/sii902x.c

467

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

469

return sii902x_edid_read(sii902x, connector);

drivers/gpu/drm/bridge/sii902x.c

480

struct sii902x *sii902x = bridge_to_sii902x(bridge);

drivers/gpu/drm/bridge/sii902x.c

489

switch (sii902x->bus_width) {

drivers/gpu/drm/bridge/sii902x.c

555

static int sii902x_mute(struct sii902x *sii902x, bool mute)

drivers/gpu/drm/bridge/sii902x.c

557

struct device *dev = &sii902x->i2c->dev;

drivers/gpu/drm/bridge/sii902x.c

563

return regmap_update_bits(sii902x->regmap,

drivers/gpu/drm/bridge/sii902x.c

612

struct sii902x *sii902x = dev_get_drvdata(dev);

drivers/gpu/drm/bridge/sii902x.c

684

ret = clk_prepare_enable(sii902x->audio.mclk);

drivers/gpu/drm/bridge/sii902x.c

690

if (sii902x->audio.mclk) {

drivers/gpu/drm/bridge/sii902x.c

691

mclk_rate = clk_get_rate(sii902x->audio.mclk);

drivers/gpu/drm/bridge/sii902x.c

699

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

701

ret = regmap_write(sii902x->regmap,

drivers/gpu/drm/bridge/sii902x.c

707

ret = regmap_write(sii902x->regmap, SII902X_TPI_I2S_INPUT_CONFIG_REG,

drivers/gpu/drm/bridge/sii902x.c

712

for (i = 0; i < ARRAY_SIZE(sii902x->audio.i2s_fifo_sequence) &&

drivers/gpu/drm/bridge/sii902x.c

713

sii902x->audio.i2s_fifo_sequence[i]; i++)

drivers/gpu/drm/bridge/sii902x.c

714

regmap_write(sii902x->regmap,

drivers/gpu/drm/bridge/sii902x.c

716

sii902x->audio.i2s_fifo_sequence[i]);

drivers/gpu/drm/bridge/sii902x.c

718

ret = regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE3_REG,

drivers/gpu/drm/bridge/sii902x.c

723

ret = regmap_bulk_write(sii902x->regmap, SII902X_TPI_I2S_STRM_HDR_BASE,

drivers/gpu/drm/bridge/sii902x.c

738

ret = regmap_bulk_write(sii902x->regmap,

drivers/gpu/drm/bridge/sii902x.c

746

ret = regmap_write(sii902x->regmap, SII902X_IND_SET_PAGE, 0x02);

drivers/gpu/drm/bridge/sii902x.c

750

ret = regmap_write(sii902x->regmap, SII902X_IND_OFFSET, 0x24);

drivers/gpu/drm/bridge/sii902x.c

754

ret = regmap_write(sii902x->regmap, SII902X_IND_VALUE, 0x02);

drivers/gpu/drm/bridge/sii902x.c

760

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

763

clk_disable_unprepare(sii902x->audio.mclk);

drivers/gpu/drm/bridge/sii902x.c

773

struct sii902x *sii902x = dev_get_drvdata(dev);

drivers/gpu/drm/bridge/sii902x.c

775

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

777

regmap_write(sii902x->regmap, SII902X_TPI_AUDIO_CONFIG_BYTE2_REG,

drivers/gpu/drm/bridge/sii902x.c

780

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

782

clk_disable_unprepare(sii902x->audio.mclk);

drivers/gpu/drm/bridge/sii902x.c

788

struct sii902x *sii902x = dev_get_drvdata(dev);

drivers/gpu/drm/bridge/sii902x.c

790

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

792

sii902x_mute(sii902x, enable);

drivers/gpu/drm/bridge/sii902x.c

794

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

802

struct sii902x *sii902x = dev_get_drvdata(dev);

drivers/gpu/drm/bridge/sii902x.c

804

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

806

memcpy(buf, sii902x->connector.eld,

drivers/gpu/drm/bridge/sii902x.c

807

min(sizeof(sii902x->connector.eld), len));

drivers/gpu/drm/bridge/sii902x.c

809

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

843

static int sii902x_audio_codec_init(struct sii902x *sii902x,

drivers/gpu/drm/bridge/sii902x.c

894

sii902x->audio.i2s_fifo_sequence[i] |= audio_fifo_id[i] |

drivers/gpu/drm/bridge/sii902x.c

897

sii902x->audio.mclk = devm_clk_get_optional(dev, "mclk");

drivers/gpu/drm/bridge/sii902x.c

898

if (IS_ERR(sii902x->audio.mclk)) {

drivers/gpu/drm/bridge/sii902x.c

900

__func__, PTR_ERR(sii902x->audio.mclk));

drivers/gpu/drm/bridge/sii902x.c

901

return PTR_ERR(sii902x->audio.mclk);

drivers/gpu/drm/bridge/sii902x.c

904

sii902x->audio.pdev = platform_device_register_data(

drivers/gpu/drm/bridge/sii902x.c

908

return PTR_ERR_OR_ZERO(sii902x->audio.pdev);

drivers/gpu/drm/bridge/sii902x.c

931

struct sii902x *sii902x = data;

drivers/gpu/drm/bridge/sii902x.c

934

mutex_lock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

936

regmap_read(sii902x->regmap, SII902X_INT_STATUS, &status);

drivers/gpu/drm/bridge/sii902x.c

937

regmap_write(sii902x->regmap, SII902X_INT_STATUS, status);

drivers/gpu/drm/bridge/sii902x.c

939

mutex_unlock(&sii902x->mutex);

drivers/gpu/drm/bridge/sii902x.c

941

if ((status & SII902X_HOTPLUG_EVENT) && sii902x->bridge.dev) {

drivers/gpu/drm/bridge/sii902x.c

942

drm_helper_hpd_irq_event(sii902x->bridge.dev);

drivers/gpu/drm/bridge/sii902x.c

943

drm_bridge_hpd_notify(&sii902x->bridge, (status & SII902X_PLUGGED_STATUS)

drivers/gpu/drm/bridge/sii902x.c

965

struct sii902x *sii902x = i2c_mux_priv(mux);

drivers/gpu/drm/bridge/sii902x.c

966

struct device *dev = &sii902x->i2c->dev;

drivers/gpu/drm/bridge/sii902x.c

971

ret = sii902x_update_bits_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

980

ret = sii902x_read_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,

drivers/gpu/drm/bridge/sii902x.c

992

return sii902x_write_unlocked(sii902x->i2c, SII902X_SYS_CTRL_DATA,