drivers/gpu/drm/bridge/lontium-lt8713sx.c

104

ret = request_firmware(&lt8713sx->fw, FW_FILE, lt8713sx->dev);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

106

dev_err(lt8713sx->dev, "request firmware failed\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

110

dev_dbg(lt8713sx->dev, "Firmware size: %zu bytes\n", lt8713sx->fw->size);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

112

if (lt8713sx->fw->size > SZ_256K - 1) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

113

dev_err(lt8713sx->dev, "Firmware size exceeds 256KB limit\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

114

release_firmware(lt8713sx->fw);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

118

lt8713sx->fw_buffer = kvmalloc(SZ_256K, GFP_KERNEL);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

119

if (!lt8713sx->fw_buffer) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

120

release_firmware(lt8713sx->fw);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

124

memset(lt8713sx->fw_buffer, 0xff, SZ_256K);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

127

memcpy(lt8713sx->fw_buffer, lt8713sx->fw->data, SZ_64K - 1);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

129

lt8713sx->fw_buffer[SZ_64K - 1] =

drivers/gpu/drm/bridge/lontium-lt8713sx.c

130

crc8(lt8713sx_crc_table, lt8713sx->fw_buffer, SZ_64K - 1, 0);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

131

lt8713sx->main_crc_value = lt8713sx->fw_buffer[SZ_64K - 1];

drivers/gpu/drm/bridge/lontium-lt8713sx.c

132

dev_dbg(lt8713sx->dev,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

133

"Main Firmware Data Crc = 0x%02X\n", lt8713sx->main_crc_value);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

136

memcpy(lt8713sx->fw_buffer + SZ_64K,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

137

lt8713sx->fw->data + SZ_64K,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

138

lt8713sx->fw->size - SZ_64K);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

140

lt8713sx->bank_num = (lt8713sx->fw->size - SZ_64K + sz_12k - 1) / sz_12k;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

141

dev_dbg(lt8713sx->dev, "Bank Number Total is %d.\n", lt8713sx->bank_num);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

143

for (int i = 0; i < lt8713sx->bank_num; i++) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

144

lt8713sx->bank_crc_value[i] =

drivers/gpu/drm/bridge/lontium-lt8713sx.c

145

crc8(lt8713sx_crc_table, lt8713sx->fw_buffer + SZ_64K + i * sz_12k,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

147

dev_dbg(lt8713sx->dev, "Bank number:%d; Firmware Data Crc:0x%02X\n",

drivers/gpu/drm/bridge/lontium-lt8713sx.c

148

i, lt8713sx->bank_crc_value[i]);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

153

static void lt8713sx_config_parameters(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

155

regmap_write(lt8713sx->regmap, 0xe05e, 0xc1);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

156

regmap_write(lt8713sx->regmap, 0xe058, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

157

regmap_write(lt8713sx->regmap, 0xe059, 0x50);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

158

regmap_write(lt8713sx->regmap, 0xe05a, 0x10);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

159

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

160

regmap_write(lt8713sx->regmap, 0xe058, 0x21);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

163

static void lt8713sx_wren(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

165

regmap_write(lt8713sx->regmap, 0xe103, 0xbf);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

166

regmap_write(lt8713sx->regmap, 0xe103, 0xff);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

167

regmap_write(lt8713sx->regmap, 0xe05a, 0x04);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

168

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

171

static void lt8713sx_wrdi(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

173

regmap_write(lt8713sx->regmap, 0xe05a, 0x08);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

174

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

177

static void lt8713sx_fifo_reset(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

179

regmap_write(lt8713sx->regmap, 0xe103, 0xbf);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

180

regmap_write(lt8713sx->regmap, 0xe103, 0xff);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

183

static void lt8713sx_disable_sram_write(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

185

regmap_write(lt8713sx->regmap, 0xe055, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

188

static void lt8713sx_sram_to_flash(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

190

regmap_write(lt8713sx->regmap, 0xe05a, 0x30);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

191

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

194

static void lt8713sx_i2c_to_sram(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

196

regmap_write(lt8713sx->regmap, 0xe055, 0x80);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

197

regmap_write(lt8713sx->regmap, 0xe05e, 0xc0);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

198

regmap_write(lt8713sx->regmap, 0xe058, 0x21);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

201

static u8 lt8713sx_read_flash_status(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

205

regmap_write(lt8713sx->regmap, 0xe103, 0x3f);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

206

regmap_write(lt8713sx->regmap, 0xe103, 0xff);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

208

regmap_write(lt8713sx->regmap, 0xe05e, 0x40);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

209

regmap_write(lt8713sx->regmap, 0xe056, 0x05); /* opcode=read status register */

drivers/gpu/drm/bridge/lontium-lt8713sx.c

210

regmap_write(lt8713sx->regmap, 0xe055, 0x25);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

211

regmap_write(lt8713sx->regmap, 0xe055, 0x01);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

212

regmap_write(lt8713sx->regmap, 0xe058, 0x21);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

214

regmap_read(lt8713sx->regmap, 0xe05f, &flash_status);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

215

dev_dbg(lt8713sx->dev, "flash_status:%x\n", flash_status);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

220

static void lt8713sx_block_erase(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

229

regmap_write(lt8713sx->regmap, 0xe05a, 0x04);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

230

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

231

regmap_write(lt8713sx->regmap, 0xe05b, flashaddr >> 16);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

232

regmap_write(lt8713sx->regmap, 0xe05c, flashaddr >> 8);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

233

regmap_write(lt8713sx->regmap, 0xe05d, flashaddr);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

234

regmap_write(lt8713sx->regmap, 0xe05a, 0x01);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

235

regmap_write(lt8713sx->regmap, 0xe05a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

239

flash_status = lt8713sx_read_flash_status(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

250

dev_dbg(lt8713sx->dev, "erase flash done.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

253

static void lt8713sx_load_main_fw_to_sram(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

255

regmap_write(lt8713sx->regmap, 0xe068, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

256

regmap_write(lt8713sx->regmap, 0xe069, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

257

regmap_write(lt8713sx->regmap, 0xe06a, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

258

regmap_write(lt8713sx->regmap, 0xe065, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

259

regmap_write(lt8713sx->regmap, 0xe066, 0xff);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

260

regmap_write(lt8713sx->regmap, 0xe067, 0xff);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

261

regmap_write(lt8713sx->regmap, 0xe06b, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

262

regmap_write(lt8713sx->regmap, 0xe06c, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

263

regmap_write(lt8713sx->regmap, 0xe060, 0x01);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

265

regmap_write(lt8713sx->regmap, 0xe060, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

268

static void lt8713sx_load_bank_fw_to_sram(struct lt8713sx *lt8713sx, u64 addr)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

270

regmap_write(lt8713sx->regmap, 0xe068, ((addr & 0xff0000) >> 16));

drivers/gpu/drm/bridge/lontium-lt8713sx.c

271

regmap_write(lt8713sx->regmap, 0xe069, ((addr & 0x00ff00) >> 8));

drivers/gpu/drm/bridge/lontium-lt8713sx.c

272

regmap_write(lt8713sx->regmap, 0xe06a, (addr & 0x0000ff));

drivers/gpu/drm/bridge/lontium-lt8713sx.c

273

regmap_write(lt8713sx->regmap, 0xe065, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

274

regmap_write(lt8713sx->regmap, 0xe066, 0x30);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

275

regmap_write(lt8713sx->regmap, 0xe067, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

276

regmap_write(lt8713sx->regmap, 0xe06b, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

277

regmap_write(lt8713sx->regmap, 0xe06c, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

278

regmap_write(lt8713sx->regmap, 0xe060, 0x01);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

280

regmap_write(lt8713sx->regmap, 0xe060, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

283

static int lt8713sx_write_data(struct lt8713sx *lt8713sx, const u8 *data, u64 filesize)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

290

dev_dbg(lt8713sx->dev,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

294

dev_dbg(lt8713sx->dev, "page[%d]\n", num);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

295

lt8713sx_i2c_to_sram(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

302

regmap_write(lt8713sx->regmap, 0xe059, val);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

305

lt8713sx_wren(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

306

lt8713sx_sram_to_flash(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

309

lt8713sx_wrdi(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

310

lt8713sx_disable_sram_write(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

315

static void lt8713sx_main_upgrade_result(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

319

regmap_read(lt8713sx->regmap, 0xe023, &main_crc_result);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

321

dev_dbg(lt8713sx->dev, "Main CRC HW: 0x%02X\n", main_crc_result);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

322

dev_dbg(lt8713sx->dev, "Main CRC FW: 0x%02X\n", lt8713sx->main_crc_value);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

324

if (main_crc_result == lt8713sx->main_crc_value)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

325

dev_info(lt8713sx->dev, "Main Firmware Upgrade Success.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

327

dev_err(lt8713sx->dev, "Main Firmware Upgrade Failed.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

330

static void lt8713sx_bank_upgrade_result(struct lt8713sx *lt8713sx, u8 banknum)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

334

regmap_read(lt8713sx->regmap, 0xe023, &bank_crc_result);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

336

dev_dbg(lt8713sx->dev, "Bank %d CRC Result: 0x%02X\n", banknum, bank_crc_result);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

338

if (bank_crc_result == lt8713sx->bank_crc_value[banknum])

drivers/gpu/drm/bridge/lontium-lt8713sx.c

339

dev_info(lt8713sx->dev, "Bank %d Firmware Upgrade Success.\n", banknum);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

341

dev_err(lt8713sx->dev, "Bank %d Firmware Upgrade Failed.\n", banknum);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

344

static void lt8713sx_bank_result_check(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

349

for (i = 0; i < lt8713sx->bank_num; i++) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

350

lt8713sx_load_bank_fw_to_sram(lt8713sx, addr);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

351

lt8713sx_bank_upgrade_result(lt8713sx, i);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

356

static int lt8713sx_firmware_upgrade(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

360

lt8713sx_config_parameters(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

362

lt8713sx_block_erase(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

364

if (lt8713sx->fw->size < SZ_64K) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

365

ret = lt8713sx_write_data(lt8713sx, lt8713sx->fw_buffer, SZ_64K);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

367

dev_err(lt8713sx->dev, "Failed to write firmware data: %d\n", ret);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

371

ret = lt8713sx_write_data(lt8713sx, lt8713sx->fw_buffer, lt8713sx->fw->size);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

373

dev_err(lt8713sx->dev, "Failed to write firmware data: %d\n", ret);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

377

dev_dbg(lt8713sx->dev, "Write Data done.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

382

static int lt8713sx_firmware_update(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

386

guard(mutex)(&lt8713sx->ocm_lock);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

387

lt8713sx_i2c_enable(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

389

ret = lt8713sx_prepare_firmware_data(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

391

dev_err(lt8713sx->dev, "Failed to prepare firmware data: %d\n", ret);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

395

ret = lt8713sx_firmware_upgrade(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

397

dev_err(lt8713sx->dev, "Upgrade failure.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

402

lt8713sx_load_main_fw_to_sram(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

403

lt8713sx_main_upgrade_result(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

404

lt8713sx_wrdi(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

405

lt8713sx_fifo_reset(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

406

lt8713sx_bank_result_check(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

407

lt8713sx_wrdi(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

410

lt8713sx_i2c_disable(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

412

lt8713sx_reset(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

414

kvfree(lt8713sx->fw_buffer);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

415

lt8713sx->fw_buffer = NULL;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

417

if (lt8713sx->fw) {

drivers/gpu/drm/bridge/lontium-lt8713sx.c

418

release_firmware(lt8713sx->fw);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

419

lt8713sx->fw = NULL;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

425

static void lt8713sx_reset(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

427

dev_dbg(lt8713sx->dev, "reset bridge.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

428

gpiod_set_value_cansleep(lt8713sx->reset_gpio, 1);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

431

gpiod_set_value_cansleep(lt8713sx->reset_gpio, 0);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

434

dev_dbg(lt8713sx->dev, "reset done.\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

437

static int lt8713sx_regulator_enable(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

441

ret = devm_regulator_get_enable(lt8713sx->dev, "vdd");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

443

return dev_err_probe(lt8713sx->dev, ret, "failed to enable vdd regulator\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

447

ret = devm_regulator_get_enable(lt8713sx->dev, "vcc");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

449

return dev_err_probe(lt8713sx->dev, ret, "failed to enable vcc regulator\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

457

struct lt8713sx *lt8713sx = container_of(bridge, struct lt8713sx, bridge);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

460

lt8713sx->bridge.next_bridge,

drivers/gpu/drm/bridge/lontium-lt8713sx.c

464

static int lt8713sx_gpio_init(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

466

struct device *dev = lt8713sx->dev;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

468

lt8713sx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

469

if (IS_ERR(lt8713sx->reset_gpio))

drivers/gpu/drm/bridge/lontium-lt8713sx.c

470

return dev_err_probe(dev, PTR_ERR(lt8713sx->reset_gpio),

drivers/gpu/drm/bridge/lontium-lt8713sx.c

474

lt8713sx->enable_gpio = devm_gpiod_get_optional(dev, "enable", GPIOD_OUT_HIGH);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

475

if (IS_ERR(lt8713sx->enable_gpio))

drivers/gpu/drm/bridge/lontium-lt8713sx.c

476

return dev_err_probe(dev, PTR_ERR(lt8713sx->enable_gpio),

drivers/gpu/drm/bridge/lontium-lt8713sx.c

485

struct lt8713sx *lt8713sx = dev_get_drvdata(dev);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

488

ret = lt8713sx_firmware_update(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

516

struct lt8713sx *lt8713sx;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

523

lt8713sx = devm_drm_bridge_alloc(dev, struct lt8713sx, bridge, &lt8713sx_bridge_funcs);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

524

if (IS_ERR(lt8713sx))

drivers/gpu/drm/bridge/lontium-lt8713sx.c

525

return PTR_ERR(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

527

lt8713sx->dev = dev;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

528

lt8713sx->client = client;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

529

i2c_set_clientdata(client, lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

531

ret = devm_mutex_init(lt8713sx->dev, &lt8713sx->ocm_lock);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

535

lt8713sx->regmap = devm_regmap_init_i2c(client, &lt8713sx_regmap_config);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

536

if (IS_ERR(lt8713sx->regmap))

drivers/gpu/drm/bridge/lontium-lt8713sx.c

537

return dev_err_probe(dev, PTR_ERR(lt8713sx->regmap), "regmap i2c init failed\n");

drivers/gpu/drm/bridge/lontium-lt8713sx.c

539

lt8713sx->bridge.next_bridge = of_drm_get_bridge_by_endpoint(lt8713sx->dev->of_node, 1, -1);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

54

static void lt8713sx_reset(struct lt8713sx *lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

540

if (IS_ERR(lt8713sx->bridge.next_bridge))

drivers/gpu/drm/bridge/lontium-lt8713sx.c

541

return PTR_ERR(lt8713sx->bridge.next_bridge);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

543

ret = lt8713sx_gpio_init(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

547

ret = lt8713sx_regulator_enable(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

551

lt8713sx_reset(lt8713sx);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

553

lt8713sx->bridge.funcs = &lt8713sx_bridge_funcs;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

554

lt8713sx->bridge.of_node = dev->of_node;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

555

lt8713sx->bridge.type = DRM_MODE_CONNECTOR_DisplayPort;

drivers/gpu/drm/bridge/lontium-lt8713sx.c

556

drm_bridge_add(&lt8713sx->bridge);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

565

struct lt8713sx *lt8713sx = i2c_get_clientdata(client);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

567

drm_bridge_remove(&lt8713sx->bridge);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

89

static void lt8713sx_i2c_enable(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

91

regmap_write(lt8713sx->regmap, 0xe0ee, 0x01);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

94

static void lt8713sx_i2c_disable(struct lt8713sx *lt8713sx)

drivers/gpu/drm/bridge/lontium-lt8713sx.c

96

regmap_write(lt8713sx->regmap, 0xe0ee, 0x00);

drivers/gpu/drm/bridge/lontium-lt8713sx.c

99

static int lt8713sx_prepare_firmware_data(struct lt8713sx *lt8713sx)