drivers/spi/spi-axi-spi-engine.c

1002

struct spi_engine *spi_engine = priv->spi_engine;

drivers/spi/spi-axi-spi-engine.c

1007

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1011

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1016

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1021

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1024

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1028

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1030

ret = readl_relaxed_poll_timeout(spi_engine->base + SPI_ENGINE_REG_SYNC_ID,

drivers/spi/spi-axi-spi-engine.c

1035

reg = readl_relaxed(spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

1038

writel_relaxed(reg, spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

1046

struct spi_engine *spi_engine = priv->spi_engine;

drivers/spi/spi-axi-spi-engine.c

1049

reg = readl_relaxed(spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

1052

writel_relaxed(reg, spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

1059

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1062

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

1097

struct spi_engine *spi_engine = p;

drivers/spi/spi-axi-spi-engine.c

1099

writel_relaxed(0xff, spi_engine->base + SPI_ENGINE_REG_INT_PENDING);

drivers/spi/spi-axi-spi-engine.c

1100

writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_INT_ENABLE);

drivers/spi/spi-axi-spi-engine.c

1101

writel_relaxed(0x01, spi_engine->base + SPI_ENGINE_REG_RESET);

drivers/spi/spi-axi-spi-engine.c

1106

struct spi_engine *spi_engine;

drivers/spi/spi-axi-spi-engine.c

1115

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

drivers/spi/spi-axi-spi-engine.c

1119

spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

1121

spin_lock_init(&spi_engine->lock);

drivers/spi/spi-axi-spi-engine.c

1122

init_completion(&spi_engine->msg_complete);

drivers/spi/spi-axi-spi-engine.c

1134

spi_engine->offload =

drivers/spi/spi-axi-spi-engine.c

1137

if (IS_ERR(spi_engine->offload))

drivers/spi/spi-axi-spi-engine.c

1138

return PTR_ERR(spi_engine->offload);

drivers/spi/spi-axi-spi-engine.c

1140

priv = spi_engine->offload->priv;

drivers/spi/spi-axi-spi-engine.c

1141

priv->spi_engine = spi_engine;

drivers/spi/spi-axi-spi-engine.c

1144

spi_engine->offload->ops = &spi_engine_offload_ops;

drivers/spi/spi-axi-spi-engine.c

1145

spi_engine->offload_caps = SPI_OFFLOAD_CAP_TRIGGER;

drivers/spi/spi-axi-spi-engine.c

1148

spi_engine->offload_caps |= SPI_OFFLOAD_CAP_RX_STREAM_DMA;

drivers/spi/spi-axi-spi-engine.c

1149

spi_engine->offload->xfer_flags |= SPI_OFFLOAD_XFER_RX_STREAM;

drivers/spi/spi-axi-spi-engine.c

1153

spi_engine->offload_caps |= SPI_OFFLOAD_CAP_TX_STREAM_DMA;

drivers/spi/spi-axi-spi-engine.c

1154

spi_engine->offload->xfer_flags |= SPI_OFFLOAD_XFER_TX_STREAM;

drivers/spi/spi-axi-spi-engine.c

1160

spi_engine->offload_caps |= SPI_OFFLOAD_CAP_TX_STATIC_DATA;

drivers/spi/spi-axi-spi-engine.c

1164

spi_engine->clk = devm_clk_get_enabled(&pdev->dev, "s_axi_aclk");

drivers/spi/spi-axi-spi-engine.c

1165

if (IS_ERR(spi_engine->clk))

drivers/spi/spi-axi-spi-engine.c

1166

return PTR_ERR(spi_engine->clk);

drivers/spi/spi-axi-spi-engine.c

1168

spi_engine->ref_clk = devm_clk_get_enabled(&pdev->dev, "spi_clk");

drivers/spi/spi-axi-spi-engine.c

1169

if (IS_ERR(spi_engine->ref_clk))

drivers/spi/spi-axi-spi-engine.c

1170

return PTR_ERR(spi_engine->ref_clk);

drivers/spi/spi-axi-spi-engine.c

1172

spi_engine->base = devm_platform_ioremap_resource(pdev, 0);

drivers/spi/spi-axi-spi-engine.c

1173

if (IS_ERR(spi_engine->base))

drivers/spi/spi-axi-spi-engine.c

1174

return PTR_ERR(spi_engine->base);

drivers/spi/spi-axi-spi-engine.c

1176

version = readl(spi_engine->base + ADI_AXI_REG_VERSION);

drivers/spi/spi-axi-spi-engine.c

1185

data_width_reg_val = readl(spi_engine->base + SPI_ENGINE_REG_DATA_WIDTH);

drivers/spi/spi-axi-spi-engine.c

1188

unsigned int sizes = readl(spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

1191

spi_engine->offload_ctrl_mem_size = 1 <<

drivers/spi/spi-axi-spi-engine.c

1193

spi_engine->offload_sdo_mem_size = 1 <<

drivers/spi/spi-axi-spi-engine.c

1196

spi_engine->offload_ctrl_mem_size = SPI_ENGINE_OFFLOAD_CMD_FIFO_SIZE;

drivers/spi/spi-axi-spi-engine.c

1197

spi_engine->offload_sdo_mem_size = SPI_ENGINE_OFFLOAD_SDO_FIFO_SIZE;

drivers/spi/spi-axi-spi-engine.c

1201

spi_engine->offload_requires_sync = !adi_axi_pcore_ver_gteq(version, 1, 5);

drivers/spi/spi-axi-spi-engine.c

1203

writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_RESET);

drivers/spi/spi-axi-spi-engine.c

1204

writel_relaxed(0xff, spi_engine->base + SPI_ENGINE_REG_INT_PENDING);

drivers/spi/spi-axi-spi-engine.c

1205

writel_relaxed(0x00, spi_engine->base + SPI_ENGINE_REG_INT_ENABLE);

drivers/spi/spi-axi-spi-engine.c

1208

spi_engine);

drivers/spi/spi-axi-spi-engine.c

1219

host->max_speed_hz = clk_get_rate(spi_engine->ref_clk) / 2;

drivers/spi/spi-axi-spi-engine.c

150

struct spi_engine *spi_engine;

drivers/spi/spi-axi-spi-engine.c

552

static bool spi_engine_write_cmd_fifo(struct spi_engine *spi_engine,

drivers/spi/spi-axi-spi-engine.c

555

void __iomem *addr = spi_engine->base + SPI_ENGINE_REG_CMD_FIFO;

drivers/spi/spi-axi-spi-engine.c

560

n = readl_relaxed(spi_engine->base + SPI_ENGINE_REG_CMD_FIFO_ROOM);

drivers/spi/spi-axi-spi-engine.c

574

static bool spi_engine_write_tx_fifo(struct spi_engine *spi_engine,

drivers/spi/spi-axi-spi-engine.c

577

void __iomem *addr = spi_engine->base + SPI_ENGINE_REG_SDO_DATA_FIFO;

drivers/spi/spi-axi-spi-engine.c

581

n = readl_relaxed(spi_engine->base + SPI_ENGINE_REG_SDO_FIFO_ROOM);

drivers/spi/spi-axi-spi-engine.c

616

static bool spi_engine_read_rx_fifo(struct spi_engine *spi_engine,

drivers/spi/spi-axi-spi-engine.c

619

void __iomem *addr = spi_engine->base + SPI_ENGINE_REG_SDI_DATA_FIFO;

drivers/spi/spi-axi-spi-engine.c

623

n = readl_relaxed(spi_engine->base + SPI_ENGINE_REG_SDI_FIFO_LEVEL);

drivers/spi/spi-axi-spi-engine.c

662

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

667

pending = readl_relaxed(spi_engine->base + SPI_ENGINE_REG_INT_PENDING);

drivers/spi/spi-axi-spi-engine.c

671

spi_engine->base + SPI_ENGINE_REG_INT_PENDING);

drivers/spi/spi-axi-spi-engine.c

673

spi_engine->base + SPI_ENGINE_REG_SYNC_ID);

drivers/spi/spi-axi-spi-engine.c

676

spin_lock(&spi_engine->lock);

drivers/spi/spi-axi-spi-engine.c

679

if (!spi_engine_write_cmd_fifo(spi_engine, msg))

drivers/spi/spi-axi-spi-engine.c

684

if (!spi_engine_write_tx_fifo(spi_engine, msg))

drivers/spi/spi-axi-spi-engine.c

689

if (!spi_engine_read_rx_fifo(spi_engine, msg))

drivers/spi/spi-axi-spi-engine.c

697

complete(&spi_engine->msg_complete);

drivers/spi/spi-axi-spi-engine.c

703

spi_engine->int_enable &= ~disable_int;

drivers/spi/spi-axi-spi-engine.c

704

writel_relaxed(spi_engine->int_enable,

drivers/spi/spi-axi-spi-engine.c

705

spi_engine->base + SPI_ENGINE_REG_INT_ENABLE);

drivers/spi/spi-axi-spi-engine.c

708

spin_unlock(&spi_engine->lock);

drivers/spi/spi-axi-spi-engine.c

716

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

725

if (p->length > spi_engine->offload_ctrl_mem_size)

drivers/spi/spi-axi-spi-engine.c

745

if (tx_word_count && !(spi_engine->offload_caps & SPI_OFFLOAD_CAP_TX_STATIC_DATA))

drivers/spi/spi-axi-spi-engine.c

748

if (tx_word_count > spi_engine->offload_sdo_mem_size)

drivers/spi/spi-axi-spi-engine.c

758

cmd_addr = spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

760

sdo_addr = spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

794

struct spi_engine *spi_engine = priv->spi_engine;

drivers/spi/spi-axi-spi-engine.c

796

writel_relaxed(1, spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

798

writel_relaxed(0, spi_engine->base +

drivers/spi/spi-axi-spi-engine.c

807

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

828

if (!msg->offload || spi_engine->offload_requires_sync)

drivers/spi/spi-axi-spi-engine.c

861

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

864

if (!spi_engine->offload)

drivers/spi/spi-axi-spi-engine.c

867

if (config->capability_flags & ~spi_engine->offload_caps)

drivers/spi/spi-axi-spi-engine.c

870

priv = spi_engine->offload->priv;

drivers/spi/spi-axi-spi-engine.c

875

return spi_engine->offload;

drivers/spi/spi-axi-spi-engine.c

888

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

892

spi_engine->cs_inv |= BIT(spi_get_chipselect(device, 0));

drivers/spi/spi-axi-spi-engine.c

894

spi_engine->cs_inv &= ~BIT(spi_get_chipselect(device, 0));

drivers/spi/spi-axi-spi-engine.c

897

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

899

writel_relaxed(SPI_ENGINE_CMD_CS_INV(spi_engine->cs_inv),

drivers/spi/spi-axi-spi-engine.c

900

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

909

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

912

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

920

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

923

spi_engine->base + SPI_ENGINE_REG_CMD_FIFO);

drivers/spi/spi-axi-spi-engine.c

925

return readl_relaxed_poll_timeout(spi_engine->base + SPI_ENGINE_REG_SYNC_ID,

drivers/spi/spi-axi-spi-engine.c

932

struct spi_engine *spi_engine = spi_controller_get_devdata(host);

drivers/spi/spi-axi-spi-engine.c

933

struct spi_engine_message_state *st = &spi_engine->msg_state;

drivers/spi/spi-axi-spi-engine.c

950

reinit_completion(&spi_engine->msg_complete);

drivers/spi/spi-axi-spi-engine.c

959

spin_lock_irqsave(&spi_engine->lock, flags);

drivers/spi/spi-axi-spi-engine.c

961

if (spi_engine_write_cmd_fifo(spi_engine, msg))

drivers/spi/spi-axi-spi-engine.c

965

if (spi_engine_write_tx_fifo(spi_engine, msg))

drivers/spi/spi-axi-spi-engine.c

975

spi_engine->base + SPI_ENGINE_REG_INT_ENABLE);

drivers/spi/spi-axi-spi-engine.c

976

spi_engine->int_enable = int_enable;

drivers/spi/spi-axi-spi-engine.c

977

spin_unlock_irqrestore(&spi_engine->lock, flags);

drivers/spi/spi-axi-spi-engine.c

979

if (!wait_for_completion_timeout(&spi_engine->msg_complete,