drivers/spi/spi-coldfire-qspi.c

100

writew(val, mcfqspi->iobase + MCFQSPI_QDR);

drivers/spi/spi-coldfire-qspi.c

103

static u16 mcfqspi_rd_qdr(struct mcfqspi *mcfqspi)

drivers/spi/spi-coldfire-qspi.c

105

return readw(mcfqspi->iobase + MCFQSPI_QDR);

drivers/spi/spi-coldfire-qspi.c

108

static void mcfqspi_cs_select(struct mcfqspi *mcfqspi, u8 chip_select,

drivers/spi/spi-coldfire-qspi.c

111

mcfqspi->cs_control->select(mcfqspi->cs_control, chip_select, cs_high);

drivers/spi/spi-coldfire-qspi.c

114

static void mcfqspi_cs_deselect(struct mcfqspi *mcfqspi, u8 chip_select,

drivers/spi/spi-coldfire-qspi.c

117

mcfqspi->cs_control->deselect(mcfqspi->cs_control, chip_select, cs_high);

drivers/spi/spi-coldfire-qspi.c

120

static int mcfqspi_cs_setup(struct mcfqspi *mcfqspi)

drivers/spi/spi-coldfire-qspi.c

122

return (mcfqspi->cs_control->setup) ?

drivers/spi/spi-coldfire-qspi.c

123

mcfqspi->cs_control->setup(mcfqspi->cs_control) : 0;

drivers/spi/spi-coldfire-qspi.c

126

static void mcfqspi_cs_teardown(struct mcfqspi *mcfqspi)

drivers/spi/spi-coldfire-qspi.c

128

if (mcfqspi->cs_control->teardown)

drivers/spi/spi-coldfire-qspi.c

129

mcfqspi->cs_control->teardown(mcfqspi->cs_control);

drivers/spi/spi-coldfire-qspi.c

137

static bool mcfqspi_qdlyr_spe(struct mcfqspi *mcfqspi)

drivers/spi/spi-coldfire-qspi.c

139

return mcfqspi_rd_qdlyr(mcfqspi) & MCFQSPI_QDLYR_SPE;

drivers/spi/spi-coldfire-qspi.c

144

struct mcfqspi *mcfqspi = dev_id;

drivers/spi/spi-coldfire-qspi.c

147

mcfqspi_wr_qir(mcfqspi, MCFQSPI_QIR_SPIFE | MCFQSPI_QIR_SPIF);

drivers/spi/spi-coldfire-qspi.c

148

wake_up(&mcfqspi->waitq);

drivers/spi/spi-coldfire-qspi.c

153

static void mcfqspi_transfer_msg8(struct mcfqspi *mcfqspi, unsigned count,

drivers/spi/spi-coldfire-qspi.c

160

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_CMDBUF);

drivers/spi/spi-coldfire-qspi.c

162

mcfqspi_wr_qdr(mcfqspi, MCFQSPI_QCR_BITSE);

drivers/spi/spi-coldfire-qspi.c

164

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_TXBUF);

drivers/spi/spi-coldfire-qspi.c

167

mcfqspi_wr_qdr(mcfqspi, *txbuf++);

drivers/spi/spi-coldfire-qspi.c

170

mcfqspi_wr_qdr(mcfqspi, 0);

drivers/spi/spi-coldfire-qspi.c

175

mcfqspi_wr_qwr(mcfqspi, 0x700);

drivers/spi/spi-coldfire-qspi.c

176

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

179

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

180

mcfqspi_wr_qwr(mcfqspi, qwr);

drivers/spi/spi-coldfire-qspi.c

181

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

183

mcfqspi_wr_qar(mcfqspi,

drivers/spi/spi-coldfire-qspi.c

186

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

190

mcfqspi_wr_qar(mcfqspi,

drivers/spi/spi-coldfire-qspi.c

193

mcfqspi_wr_qdr(mcfqspi, *txbuf++);

drivers/spi/spi-coldfire-qspi.c

199

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

200

mcfqspi_wr_qwr(mcfqspi, qwr);

drivers/spi/spi-coldfire-qspi.c

201

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

203

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_RXBUF + offset);

drivers/spi/spi-coldfire-qspi.c

205

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

209

mcfqspi_wr_qwr(mcfqspi, (n - 1) << 8);

drivers/spi/spi-coldfire-qspi.c

210

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

212

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

214

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_RXBUF + offset);

drivers/spi/spi-coldfire-qspi.c

216

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

220

static void mcfqspi_transfer_msg16(struct mcfqspi *mcfqspi, unsigned count,

drivers/spi/spi-coldfire-qspi.c

227

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_CMDBUF);

drivers/spi/spi-coldfire-qspi.c

229

mcfqspi_wr_qdr(mcfqspi, MCFQSPI_QCR_BITSE);

drivers/spi/spi-coldfire-qspi.c

231

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_TXBUF);

drivers/spi/spi-coldfire-qspi.c

234

mcfqspi_wr_qdr(mcfqspi, *txbuf++);

drivers/spi/spi-coldfire-qspi.c

237

mcfqspi_wr_qdr(mcfqspi, 0);

drivers/spi/spi-coldfire-qspi.c

242

mcfqspi_wr_qwr(mcfqspi, 0x700);

drivers/spi/spi-coldfire-qspi.c

243

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

246

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

247

mcfqspi_wr_qwr(mcfqspi, qwr);

drivers/spi/spi-coldfire-qspi.c

248

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

250

mcfqspi_wr_qar(mcfqspi,

drivers/spi/spi-coldfire-qspi.c

253

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

257

mcfqspi_wr_qar(mcfqspi,

drivers/spi/spi-coldfire-qspi.c

260

mcfqspi_wr_qdr(mcfqspi, *txbuf++);

drivers/spi/spi-coldfire-qspi.c

266

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

267

mcfqspi_wr_qwr(mcfqspi, qwr);

drivers/spi/spi-coldfire-qspi.c

268

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

270

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_RXBUF + offset);

drivers/spi/spi-coldfire-qspi.c

272

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

276

mcfqspi_wr_qwr(mcfqspi, (n - 1) << 8);

drivers/spi/spi-coldfire-qspi.c

277

mcfqspi_wr_qdlyr(mcfqspi, MCFQSPI_QDLYR_SPE);

drivers/spi/spi-coldfire-qspi.c

279

wait_event(mcfqspi->waitq, !mcfqspi_qdlyr_spe(mcfqspi));

drivers/spi/spi-coldfire-qspi.c

281

mcfqspi_wr_qar(mcfqspi, MCFQSPI_QAR_RXBUF + offset);

drivers/spi/spi-coldfire-qspi.c

283

*rxbuf++ = mcfqspi_rd_qdr(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

289

struct mcfqspi *mcfqspi = spi_controller_get_devdata(spi->controller);

drivers/spi/spi-coldfire-qspi.c

293

mcfqspi_cs_select(mcfqspi, spi_get_chipselect(spi, 0), cs_high);

drivers/spi/spi-coldfire-qspi.c

295

mcfqspi_cs_deselect(mcfqspi, spi_get_chipselect(spi, 0), cs_high);

drivers/spi/spi-coldfire-qspi.c

302

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

311

mcfqspi_wr_qmr(mcfqspi, qmr);

drivers/spi/spi-coldfire-qspi.c

313

mcfqspi_wr_qir(mcfqspi, MCFQSPI_QIR_SPIFE);

drivers/spi/spi-coldfire-qspi.c

315

mcfqspi_transfer_msg8(mcfqspi, t->len, t->tx_buf, t->rx_buf);

drivers/spi/spi-coldfire-qspi.c

317

mcfqspi_transfer_msg16(mcfqspi, t->len / 2, t->tx_buf,

drivers/spi/spi-coldfire-qspi.c

319

mcfqspi_wr_qir(mcfqspi, 0);

drivers/spi/spi-coldfire-qspi.c

341

struct mcfqspi *mcfqspi;

drivers/spi/spi-coldfire-qspi.c

356

host = devm_spi_alloc_host(&pdev->dev, sizeof(*mcfqspi));

drivers/spi/spi-coldfire-qspi.c

360

mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

362

mcfqspi->iobase = devm_platform_ioremap_resource(pdev, 0);

drivers/spi/spi-coldfire-qspi.c

363

if (IS_ERR(mcfqspi->iobase))

drivers/spi/spi-coldfire-qspi.c

364

return PTR_ERR(mcfqspi->iobase);

drivers/spi/spi-coldfire-qspi.c

366

mcfqspi->irq = platform_get_irq(pdev, 0);

drivers/spi/spi-coldfire-qspi.c

367

if (mcfqspi->irq < 0) {

drivers/spi/spi-coldfire-qspi.c

372

status = devm_request_irq(&pdev->dev, mcfqspi->irq, mcfqspi_irq_handler,

drivers/spi/spi-coldfire-qspi.c

373

0, pdev->name, mcfqspi);

drivers/spi/spi-coldfire-qspi.c

379

mcfqspi->clk = devm_clk_get_enabled(&pdev->dev, "qspi_clk");

drivers/spi/spi-coldfire-qspi.c

380

if (IS_ERR(mcfqspi->clk)) {

drivers/spi/spi-coldfire-qspi.c

382

return PTR_ERR(mcfqspi->clk);

drivers/spi/spi-coldfire-qspi.c

388

mcfqspi->cs_control = pdata->cs_control;

drivers/spi/spi-coldfire-qspi.c

389

status = mcfqspi_cs_setup(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

395

init_waitqueue_head(&mcfqspi->waitq);

drivers/spi/spi-coldfire-qspi.c

419

mcfqspi_cs_teardown(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

429

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

435

mcfqspi_wr_qmr(mcfqspi, MCFQSPI_QMR_MSTR);

drivers/spi/spi-coldfire-qspi.c

437

mcfqspi_cs_teardown(mcfqspi);

drivers/spi/spi-coldfire-qspi.c

444

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

451

clk_disable(mcfqspi->clk);

drivers/spi/spi-coldfire-qspi.c

459

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

461

clk_enable(mcfqspi->clk);

drivers/spi/spi-coldfire-qspi.c

471

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

473

clk_disable(mcfqspi->clk);

drivers/spi/spi-coldfire-qspi.c

481

struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);

drivers/spi/spi-coldfire-qspi.c

483

clk_enable(mcfqspi->clk);

drivers/spi/spi-coldfire-qspi.c

68

static void mcfqspi_wr_qmr(struct mcfqspi *mcfqspi, u16 val)

drivers/spi/spi-coldfire-qspi.c

70

writew(val, mcfqspi->iobase + MCFQSPI_QMR);

drivers/spi/spi-coldfire-qspi.c

73

static void mcfqspi_wr_qdlyr(struct mcfqspi *mcfqspi, u16 val)

drivers/spi/spi-coldfire-qspi.c

75

writew(val, mcfqspi->iobase + MCFQSPI_QDLYR);

drivers/spi/spi-coldfire-qspi.c

78

static u16 mcfqspi_rd_qdlyr(struct mcfqspi *mcfqspi)

drivers/spi/spi-coldfire-qspi.c

80

return readw(mcfqspi->iobase + MCFQSPI_QDLYR);

drivers/spi/spi-coldfire-qspi.c

83

static void mcfqspi_wr_qwr(struct mcfqspi *mcfqspi, u16 val)

drivers/spi/spi-coldfire-qspi.c

85

writew(val, mcfqspi->iobase + MCFQSPI_QWR);

drivers/spi/spi-coldfire-qspi.c

88

static void mcfqspi_wr_qir(struct mcfqspi *mcfqspi, u16 val)

drivers/spi/spi-coldfire-qspi.c

90

writew(val, mcfqspi->iobase + MCFQSPI_QIR);

drivers/spi/spi-coldfire-qspi.c

93

static void mcfqspi_wr_qar(struct mcfqspi *mcfqspi, u16 val)

drivers/spi/spi-coldfire-qspi.c

95

writew(val, mcfqspi->iobase + MCFQSPI_QAR);

drivers/spi/spi-coldfire-qspi.c

98

static void mcfqspi_wr_qdr(struct mcfqspi *mcfqspi, u16 val)