drivers/dma/qcom/gpi.c

1000

struct gpi_ring *ch_ring = &gchan->ch_ring;

drivers/dma/qcom/gpi.c

1009

if (unlikely(gchan->pm_state != ACTIVE_STATE)) {

drivers/dma/qcom/gpi.c

1011

TO_GPI_PM_STR(gchan->pm_state));

drivers/dma/qcom/gpi.c

1015

spin_lock_irqsave(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1016

vd = vchan_next_desc(&gchan->vc);

drivers/dma/qcom/gpi.c

1020

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1031

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1067

spin_lock_irqsave(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1069

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1081

struct gchan *gchan;

drivers/dma/qcom/gpi.c

1101

gchan = &gpii->gchan[chid];

drivers/dma/qcom/gpi.c

1102

gpi_process_xfer_compl_event(gchan,

drivers/dma/qcom/gpi.c

1109

gchan = &gpii->gchan[chid];

drivers/dma/qcom/gpi.c

1110

gpi_process_imed_data_event(gchan,

drivers/dma/qcom/gpi.c

1155

static void gpi_mark_stale_events(struct gchan *gchan)

drivers/dma/qcom/gpi.c

1157

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1170

if (chid == gchan->chid)

drivers/dma/qcom/gpi.c

1181

static int gpi_reset_chan(struct gchan *gchan, enum gpi_cmd gpi_cmd)

drivers/dma/qcom/gpi.c

1183

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1184

struct gpi_ring *ch_ring = &gchan->ch_ring;

drivers/dma/qcom/gpi.c

1188

ret = gpi_send_cmd(gpii, gchan, gpi_cmd);

drivers/dma/qcom/gpi.c

1204

gpi_mark_stale_events(gchan);

drivers/dma/qcom/gpi.c

1207

spin_lock(&gchan->vc.lock);

drivers/dma/qcom/gpi.c

1208

vchan_get_all_descriptors(&gchan->vc, &list);

drivers/dma/qcom/gpi.c

1209

spin_unlock(&gchan->vc.lock);

drivers/dma/qcom/gpi.c

1211

vchan_dma_desc_free_list(&gchan->vc, &list);

drivers/dma/qcom/gpi.c

1216

static int gpi_start_chan(struct gchan *gchan)

drivers/dma/qcom/gpi.c

1218

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1221

ret = gpi_send_cmd(gpii, gchan, GPI_CH_CMD_START);

drivers/dma/qcom/gpi.c

1230

gchan->pm_state = ACTIVE_STATE;

drivers/dma/qcom/gpi.c

1236

static int gpi_stop_chan(struct gchan *gchan)

drivers/dma/qcom/gpi.c

1238

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1241

ret = gpi_send_cmd(gpii, gchan, GPI_CH_CMD_STOP);

drivers/dma/qcom/gpi.c

1252

static int gpi_alloc_chan(struct gchan *chan, bool send_alloc_cmd)

drivers/dma/qcom/gpi.c

1439

static void gpi_queue_xfer(struct gpii *gpii, struct gchan *gchan,

drivers/dma/qcom/gpi.c

1446

ret = gpi_ring_add_element(&gchan->ch_ring, (void **)&ch_tre);

drivers/dma/qcom/gpi.c

1460

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1461

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1471

schid = (gchan->protocol == QCOM_GPI_UART) ? gchan->chid : 0;

drivers/dma/qcom/gpi.c

1472

echid = (gchan->protocol == QCOM_GPI_UART) ? schid + 1 : MAX_CHANNELS_PER_GPII;

drivers/dma/qcom/gpi.c

1476

gchan = &gpii->gchan[i];

drivers/dma/qcom/gpi.c

1480

gchan->pm_state = PREPARE_TERMINATE;

drivers/dma/qcom/gpi.c

1484

ret = gpi_stop_chan(gchan);

drivers/dma/qcom/gpi.c

1489

gchan = &gpii->gchan[i];

drivers/dma/qcom/gpi.c

1491

ret = gpi_reset_chan(gchan, GPI_CH_CMD_RESET);

drivers/dma/qcom/gpi.c

1498

ret = gpi_alloc_chan(gchan, false);

drivers/dma/qcom/gpi.c

1507

gchan = &gpii->gchan[i];

drivers/dma/qcom/gpi.c

1509

ret = gpi_start_chan(gchan);

drivers/dma/qcom/gpi.c

1524

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1525

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1542

ret = gpi_stop_chan(&gpii->gchan[i]);

drivers/dma/qcom/gpi.c

1565

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1566

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1580

ret = gpi_send_cmd(gpii, &gpii->gchan[i], GPI_CH_CMD_START);

drivers/dma/qcom/gpi.c

1607

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1613

new_config = krealloc(gchan->config, config->peripheral_size, GFP_NOWAIT);

drivers/dma/qcom/gpi.c

1617

gchan->config = new_config;

drivers/dma/qcom/gpi.c

1618

memcpy(gchan->config, config->peripheral_config, config->peripheral_size);

drivers/dma/qcom/gpi.c

1623

static int gpi_create_i2c_tre(struct gchan *chan, struct gpi_desc *desc,

drivers/dma/qcom/gpi.c

1702

static int gpi_create_spi_tre(struct gchan *chan, struct gpi_desc *desc,

drivers/dma/qcom/gpi.c

1802

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1803

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1805

struct gpi_ring *ch_ring = &gchan->ch_ring;

drivers/dma/qcom/gpi.c

1823

set_config = *(u32 *)gchan->config;

drivers/dma/qcom/gpi.c

1844

if (gchan->protocol == QCOM_GPI_SPI) {

drivers/dma/qcom/gpi.c

1845

i = gpi_create_spi_tre(gchan, gpi_desc, sgl, direction);

drivers/dma/qcom/gpi.c

1846

} else if (gchan->protocol == QCOM_GPI_I2C) {

drivers/dma/qcom/gpi.c

1847

i = gpi_create_i2c_tre(gchan, gpi_desc, sgl, direction, flags);

drivers/dma/qcom/gpi.c

1849

dev_err(dev, "invalid peripheral: %d\n", gchan->protocol);

drivers/dma/qcom/gpi.c

1855

gpi_desc->gchan = gchan;

drivers/dma/qcom/gpi.c

1859

return vchan_tx_prep(&gchan->vc, &gpi_desc->vd, flags);

drivers/dma/qcom/gpi.c

1865

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1866

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1870

struct gpi_ring *ch_ring = &gchan->ch_ring;

drivers/dma/qcom/gpi.c

1877

spin_lock_irqsave(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1878

if (vchan_issue_pending(&gchan->vc))

drivers/dma/qcom/gpi.c

1879

vd = list_last_entry(&gchan->vc.desc_issued,

drivers/dma/qcom/gpi.c

1881

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

1892

gpi_queue_xfer(gpii, gchan, tre, &wp);

drivers/dma/qcom/gpi.c

1896

gpi_write_ch_db(gchan, &gchan->ch_ring, gpi_desc->db);

drivers/dma/qcom/gpi.c

1900

static int gpi_ch_init(struct gchan *gchan)

drivers/dma/qcom/gpi.c

1902

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1907

gchan->pm_state = CONFIG_STATE;

drivers/dma/qcom/gpi.c

1911

if (gpii->gchan[i].pm_state != CONFIG_STATE)

drivers/dma/qcom/gpi.c

1915

if (gpii->gchan[0].protocol != gpii->gchan[1].protocol) {

drivers/dma/qcom/gpi.c

1917

gpii->gchan[0].protocol, gpii->gchan[1].protocol);

drivers/dma/qcom/gpi.c

1948

ret = gpi_alloc_chan(&gpii->gchan[i], true);

drivers/dma/qcom/gpi.c

1957

ret = gpi_start_chan(&gpii->gchan[i]);

drivers/dma/qcom/gpi.c

1967

gpi_stop_chan(&gpii->gchan[i]);

drivers/dma/qcom/gpi.c

1968

gpi_send_cmd(gpii, gchan, GPI_CH_CMD_RESET);

drivers/dma/qcom/gpi.c

1973

gpi_reset_chan(gchan, GPI_CH_CMD_DE_ALLOC);

drivers/dma/qcom/gpi.c

1985

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

1986

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

1992

cur_state = gchan->pm_state;

drivers/dma/qcom/gpi.c

1996

gchan->pm_state = PREPARE_TERMINATE;

drivers/dma/qcom/gpi.c

2001

gpi_stop_chan(gchan);

drivers/dma/qcom/gpi.c

2003

ret = gpi_send_cmd(gpii, gchan, GPI_CH_CMD_RESET);

drivers/dma/qcom/gpi.c

2007

gpi_reset_chan(gchan, GPI_CH_CMD_DE_ALLOC);

drivers/dma/qcom/gpi.c

2011

gpi_free_ring(&gchan->ch_ring, gpii);

drivers/dma/qcom/gpi.c

2012

vchan_free_chan_resources(&gchan->vc);

drivers/dma/qcom/gpi.c

2013

kfree(gchan->config);

drivers/dma/qcom/gpi.c

2016

gchan->pm_state = DISABLE_STATE;

drivers/dma/qcom/gpi.c

2021

if (gpii->gchan[i].ch_ring.configured)

drivers/dma/qcom/gpi.c

2055

struct gchan *gchan = to_gchan(chan);

drivers/dma/qcom/gpi.c

2056

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

2062

ret = gpi_alloc_ring(&gchan->ch_ring, CHAN_TRES,

drivers/dma/qcom/gpi.c

2067

ret = gpi_ch_init(gchan);

drivers/dma/qcom/gpi.c

2080

struct gchan *tx_chan, *rx_chan;

drivers/dma/qcom/gpi.c

2088

tx_chan = &gpi_dev->gpiis[gpii].gchan[GPI_TX_CHAN];

drivers/dma/qcom/gpi.c

2089

rx_chan = &gpi_dev->gpiis[gpii].gchan[GPI_RX_CHAN];

drivers/dma/qcom/gpi.c

2102

tx_chan = &gpi_dev->gpiis[gpii].gchan[GPI_TX_CHAN];

drivers/dma/qcom/gpi.c

2103

rx_chan = &gpi_dev->gpiis[gpii].gchan[GPI_RX_CHAN];

drivers/dma/qcom/gpi.c

2125

struct gchan *gchan;

drivers/dma/qcom/gpi.c

2148

gchan = &gpi_dev->gpiis[gpii].gchan[chid];

drivers/dma/qcom/gpi.c

2149

if (gchan->vc.chan.client_count) {

drivers/dma/qcom/gpi.c

2151

gpii, chid, gchan->seid);

drivers/dma/qcom/gpi.c

2155

gchan->seid = seid;

drivers/dma/qcom/gpi.c

2156

gchan->protocol = args->args[2];

drivers/dma/qcom/gpi.c

2158

return dma_get_slave_channel(&gchan->vc.chan);

drivers/dma/qcom/gpi.c

2232

struct gchan *gchan = &gpii->gchan[chan];

drivers/dma/qcom/gpi.c

2235

gchan->ch_cntxt_base_reg = gpi_dev->ee_base +

drivers/dma/qcom/gpi.c

2237

gchan->ch_cntxt_db_reg = gpi_dev->ee_base +

drivers/dma/qcom/gpi.c

2239

gchan->ch_cmd_reg = gpi_dev->ee_base + GPII_n_CH_CMD_OFFS(i);

drivers/dma/qcom/gpi.c

2242

vchan_init(&gchan->vc, &gpi_dev->dma_device);

drivers/dma/qcom/gpi.c

2243

gchan->vc.desc_free = gpi_desc_free;

drivers/dma/qcom/gpi.c

2244

gchan->chid = chan;

drivers/dma/qcom/gpi.c

2245

gchan->gpii = gpii;

drivers/dma/qcom/gpi.c

2246

gchan->dir = GPII_CHAN_DIR[chan];

drivers/dma/qcom/gpi.c

499

struct gchan gchan[MAX_CHANNELS_PER_GPII];

drivers/dma/qcom/gpi.c

527

struct gchan *gchan;

drivers/dma/qcom/gpi.c

541

static inline struct gchan *to_gchan(struct dma_chan *dma_chan)

drivers/dma/qcom/gpi.c

543

return container_of(dma_chan, struct gchan, vc.chan);

drivers/dma/qcom/gpi.c

671

static int gpi_send_cmd(struct gpii *gpii, struct gchan *gchan,

drivers/dma/qcom/gpi.c

682

chid = gchan->chid;

drivers/dma/qcom/gpi.c

691

cmd_reg = IS_CHAN_CMD(gpi_cmd) ? gchan->ch_cmd_reg : gpii->ev_cmd_reg;

drivers/dma/qcom/gpi.c

707

if (IS_CHAN_CMD(gpi_cmd) && gchan->ch_state == gpi_cmd_info[gpi_cmd].state)

drivers/dma/qcom/gpi.c

717

static inline void gpi_write_ch_db(struct gchan *gchan,

drivers/dma/qcom/gpi.c

720

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

724

gpi_write_reg(gpii, gchan->ch_cntxt_db_reg, p_wp);

drivers/dma/qcom/gpi.c

752

struct gchan *gchan;

drivers/dma/qcom/gpi.c

763

gchan = &gpii->gchan[chid];

drivers/dma/qcom/gpi.c

764

state = gpi_read_reg(gpii, gchan->ch_cntxt_base_reg +

drivers/dma/qcom/gpi.c

775

gchan->ch_state = state;

drivers/dma/qcom/gpi.c

782

if (gchan->ch_state != CH_STATE_STOP_IN_PROC)

drivers/dma/qcom/gpi.c

914

static void gpi_process_imed_data_event(struct gchan *gchan,

drivers/dma/qcom/gpi.c

917

struct gpii *gpii = gchan->gpii;

drivers/dma/qcom/gpi.c

918

struct gpi_ring *ch_ring = &gchan->ch_ring;

drivers/dma/qcom/gpi.c

929

if (gchan->pm_state != ACTIVE_STATE) {

drivers/dma/qcom/gpi.c

931

TO_GPI_PM_STR(gchan->pm_state));

drivers/dma/qcom/gpi.c

935

spin_lock_irqsave(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

936

vd = vchan_next_desc(&gchan->vc);

drivers/dma/qcom/gpi.c

941

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

956

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

988

spin_lock_irqsave(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

990

spin_unlock_irqrestore(&gchan->vc.lock, flags);

drivers/dma/qcom/gpi.c

996

static void gpi_process_xfer_compl_event(struct gchan *gchan,

drivers/dma/qcom/gpi.c

999

struct gpii *gpii = gchan->gpii;

tools/testing/selftests/drivers/net/hw/ncdevmem.c

557

struct ethtool_channels_get_req *gchan;

tools/testing/selftests/drivers/net/hw/ncdevmem.c

572

gchan = ethtool_channels_get_req_alloc();

tools/testing/selftests/drivers/net/hw/ncdevmem.c

573

if (!gchan) {

tools/testing/selftests/drivers/net/hw/ncdevmem.c

578

ethtool_channels_get_req_set_header_dev_index(gchan, ifindex);

tools/testing/selftests/drivers/net/hw/ncdevmem.c

579

chan = ethtool_channels_get(ys, gchan);

tools/testing/selftests/drivers/net/hw/ncdevmem.c

580

ethtool_channels_get_req_free(gchan);