drivers/gpu/drm/bridge/fsl-ldb.c

102

static inline struct fsl_ldb *to_fsl_ldb(struct drm_bridge *bridge)

drivers/gpu/drm/bridge/fsl-ldb.c

104

return container_of(bridge, struct fsl_ldb, bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

107

static unsigned long fsl_ldb_link_frequency(struct fsl_ldb *fsl_ldb, int clock)

drivers/gpu/drm/bridge/fsl-ldb.c

109

if (fsl_ldb_is_dual(fsl_ldb))

drivers/gpu/drm/bridge/fsl-ldb.c

119

struct fsl_ldb *fsl_ldb = to_fsl_ldb(bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

121

return drm_bridge_attach(encoder, fsl_ldb->panel_bridge,

drivers/gpu/drm/bridge/fsl-ldb.c

128

struct fsl_ldb *fsl_ldb = to_fsl_ldb(bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

163

dev_warn(fsl_ldb->dev,

drivers/gpu/drm/bridge/fsl-ldb.c

179

requested_link_freq = fsl_ldb_link_frequency(fsl_ldb, mode->clock);

drivers/gpu/drm/bridge/fsl-ldb.c

180

clk_set_rate(fsl_ldb->clk, requested_link_freq);

drivers/gpu/drm/bridge/fsl-ldb.c

182

configured_link_freq = clk_get_rate(fsl_ldb->clk);

drivers/gpu/drm/bridge/fsl-ldb.c

184

dev_warn(fsl_ldb->dev,

drivers/gpu/drm/bridge/fsl-ldb.c

186

fsl_ldb->clk, configured_link_freq, requested_link_freq);

drivers/gpu/drm/bridge/fsl-ldb.c

188

clk_prepare_enable(fsl_ldb->clk);

drivers/gpu/drm/bridge/fsl-ldb.c

191

reg = (fsl_ldb->ch0_enabled ? LDB_CTRL_CH0_ENABLE : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

192

(fsl_ldb->ch1_enabled ? LDB_CTRL_CH1_ENABLE : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

193

(fsl_ldb_is_dual(fsl_ldb) ? LDB_CTRL_SPLIT_MODE : 0);

drivers/gpu/drm/bridge/fsl-ldb.c

196

reg |= (fsl_ldb->ch0_enabled ? LDB_CTRL_CH0_DATA_WIDTH : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

197

(fsl_ldb->ch1_enabled ? LDB_CTRL_CH1_DATA_WIDTH : 0);

drivers/gpu/drm/bridge/fsl-ldb.c

200

reg |= (fsl_ldb->ch0_enabled ? LDB_CTRL_CH0_BIT_MAPPING : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

201

(fsl_ldb->ch1_enabled ? LDB_CTRL_CH1_BIT_MAPPING : 0);

drivers/gpu/drm/bridge/fsl-ldb.c

204

reg |= (fsl_ldb->ch0_enabled ? LDB_CTRL_DI0_VSYNC_POLARITY : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

205

(fsl_ldb->ch1_enabled ? LDB_CTRL_DI1_VSYNC_POLARITY : 0);

drivers/gpu/drm/bridge/fsl-ldb.c

207

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->ldb_ctrl, reg);

drivers/gpu/drm/bridge/fsl-ldb.c

209

if (fsl_ldb->devdata->single_ctrl_reg)

drivers/gpu/drm/bridge/fsl-ldb.c

215

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->lvds_ctrl, reg);

drivers/gpu/drm/bridge/fsl-ldb.c

220

reg |= (fsl_ldb->ch0_enabled ? LVDS_CTRL_CH0_EN : 0) |

drivers/gpu/drm/bridge/fsl-ldb.c

221

(fsl_ldb->ch1_enabled ? LVDS_CTRL_CH1_EN : 0);

drivers/gpu/drm/bridge/fsl-ldb.c

223

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->lvds_ctrl, reg);

drivers/gpu/drm/bridge/fsl-ldb.c

229

struct fsl_ldb *fsl_ldb = to_fsl_ldb(bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

232

if (fsl_ldb->devdata->lvds_en_bit)

drivers/gpu/drm/bridge/fsl-ldb.c

234

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->lvds_ctrl,

drivers/gpu/drm/bridge/fsl-ldb.c

237

if (!fsl_ldb->devdata->single_ctrl_reg)

drivers/gpu/drm/bridge/fsl-ldb.c

238

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->lvds_ctrl, 0);

drivers/gpu/drm/bridge/fsl-ldb.c

239

regmap_write(fsl_ldb->regmap, fsl_ldb->devdata->ldb_ctrl, 0);

drivers/gpu/drm/bridge/fsl-ldb.c

241

clk_disable_unprepare(fsl_ldb->clk);

drivers/gpu/drm/bridge/fsl-ldb.c

273

struct fsl_ldb *fsl_ldb = to_fsl_ldb(bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

275

if (mode->clock > (fsl_ldb_is_dual(fsl_ldb) ? 160000 : 80000))

drivers/gpu/drm/bridge/fsl-ldb.c

298

struct fsl_ldb *fsl_ldb;

drivers/gpu/drm/bridge/fsl-ldb.c

301

fsl_ldb = devm_drm_bridge_alloc(dev, struct fsl_ldb, bridge, &funcs);

drivers/gpu/drm/bridge/fsl-ldb.c

302

if (IS_ERR(fsl_ldb))

drivers/gpu/drm/bridge/fsl-ldb.c

303

return PTR_ERR(fsl_ldb);

drivers/gpu/drm/bridge/fsl-ldb.c

305

fsl_ldb->devdata = of_device_get_match_data(dev);

drivers/gpu/drm/bridge/fsl-ldb.c

306

if (!fsl_ldb->devdata)

drivers/gpu/drm/bridge/fsl-ldb.c

309

fsl_ldb->dev = &pdev->dev;

drivers/gpu/drm/bridge/fsl-ldb.c

310

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

drivers/gpu/drm/bridge/fsl-ldb.c

312

fsl_ldb->clk = devm_clk_get(dev, "ldb");

drivers/gpu/drm/bridge/fsl-ldb.c

313

if (IS_ERR(fsl_ldb->clk))

drivers/gpu/drm/bridge/fsl-ldb.c

314

return PTR_ERR(fsl_ldb->clk);

drivers/gpu/drm/bridge/fsl-ldb.c

316

fsl_ldb->regmap = syscon_node_to_regmap(dev->of_node->parent);

drivers/gpu/drm/bridge/fsl-ldb.c

317

if (IS_ERR(fsl_ldb->regmap))

drivers/gpu/drm/bridge/fsl-ldb.c

318

return PTR_ERR(fsl_ldb->regmap);

drivers/gpu/drm/bridge/fsl-ldb.c

323

fsl_ldb->ch0_enabled = (remote1 != NULL);

drivers/gpu/drm/bridge/fsl-ldb.c

324

fsl_ldb->ch1_enabled = (remote2 != NULL);

drivers/gpu/drm/bridge/fsl-ldb.c

329

if (!fsl_ldb->ch0_enabled && !fsl_ldb->ch1_enabled) {

drivers/gpu/drm/bridge/fsl-ldb.c

335

fsl_ldb_is_dual(fsl_ldb) ? "dual-link mode" :

drivers/gpu/drm/bridge/fsl-ldb.c

336

fsl_ldb->ch0_enabled ? "channel 0" : "channel 1");

drivers/gpu/drm/bridge/fsl-ldb.c

343

fsl_ldb->panel_bridge = devm_drm_panel_bridge_add(dev, panel);

drivers/gpu/drm/bridge/fsl-ldb.c

344

if (IS_ERR(fsl_ldb->panel_bridge))

drivers/gpu/drm/bridge/fsl-ldb.c

345

return PTR_ERR(fsl_ldb->panel_bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

348

if (fsl_ldb_is_dual(fsl_ldb)) {

drivers/gpu/drm/bridge/fsl-ldb.c

368

platform_set_drvdata(pdev, fsl_ldb);

drivers/gpu/drm/bridge/fsl-ldb.c

370

drm_bridge_add(&fsl_ldb->bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

377

struct fsl_ldb *fsl_ldb = platform_get_drvdata(pdev);

drivers/gpu/drm/bridge/fsl-ldb.c

379

drm_bridge_remove(&fsl_ldb->bridge);

drivers/gpu/drm/bridge/fsl-ldb.c

97

static bool fsl_ldb_is_dual(const struct fsl_ldb *fsl_ldb)

drivers/gpu/drm/bridge/fsl-ldb.c

99

return (fsl_ldb->ch0_enabled && fsl_ldb->ch1_enabled);