type stringclasses 5
values | content stringlengths 9 163k |
|---|---|
functions | void check_for_empty_rx_ring(struct ena_adapter *adapter)
{
struct ena_ring *rx_ring;
int i, refill_required;
if (!test_bit(ENA_FLAG_DEV_UP, &adapter->flags))
return;
if (test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))
return;
for (i = 0; i < adapter->num_queues; i++) {
rx_ring = &adapter->rx_ring[i];
... |
functions | void check_for_missing_keep_alive(struct ena_adapter *adapter)
{
unsigned long keep_alive_expired;
if (!adapter->wd_state)
return;
if (adapter->keep_alive_timeout == ENA_HW_HINTS_NO_TIMEOUT)
return;
keep_alive_expired = round_jiffies(adapter->last_keep_alive_jiffies +
adapter->keep_alive_timeout);
i... |
functions | void check_for_admin_com_state(struct ena_adapter *adapter)
{
if (unlikely(!ena_com_get_admin_running_state(adapter->ena_dev))) {
netif_err(adapter, drv, adapter->netdev,
"ENA admin queue is not in running state!\n");
u64_stats_update_begin(&adapter->syncp);
adapter->dev_stats.admin_q_pause++;
u64_stats_u... |
functions | void ena_update_hints(struct ena_adapter *adapter,
struct ena_admin_ena_hw_hints *hints)
{
struct net_device *netdev = adapter->netdev;
if (hints->admin_completion_tx_timeout)
adapter->ena_dev->admin_queue.completion_timeout =
hints->admin_completion_tx_timeout * 1000;
if (hints->mmio_read_timeout)
... |
functions | void ena_update_host_info(struct ena_admin_host_info *host_info,
struct net_device *netdev)
{
host_info->supported_network_features[0] =
netdev->features & GENMASK_ULL(31, 0);
host_info->supported_network_features[1] =
(netdev->features & GENMASK_ULL(63, 32)) >> 32;
} |
functions | void ena_timer_service(struct timer_list *t)
{
struct ena_adapter *adapter = from_timer(adapter, t, timer_service);
u8 *debug_area = adapter->ena_dev->host_attr.debug_area_virt_addr;
struct ena_admin_host_info *host_info =
adapter->ena_dev->host_attr.host_info;
check_for_missing_keep_alive(adapter);
check_for_... |
functions | int ena_calc_io_queue_num(struct pci_dev *pdev,
struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
int io_sq_num, io_queue_num;
/* In case of LLQ use the llq number in the get feature cmd */
if (ena_dev->tx_mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_DEV) {
io_sq_num = ge... |
functions | void ena_set_push_mode(struct pci_dev *pdev, struct ena_com_dev *ena_dev,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
bool has_mem_bar;
has_mem_bar = pci_select_bars(pdev, IORESOURCE_MEM) & BIT(ENA_MEM_BAR);
/* Enable push mode if device supports LLQ */
if (has_mem_bar && (get_feat_ctx->max_queu... |
functions | void ena_set_dev_offloads(struct ena_com_dev_get_features_ctx *feat,
struct net_device *netdev)
{
netdev_features_t dev_features = 0;
/* Set offload features */
if (feat->offload.tx &
ENA_ADMIN_FEATURE_OFFLOAD_DESC_TX_L4_IPV4_CSUM_PART_MASK)
dev_features |= NETIF_F_IP_CSUM;
if (feat->offload.tx &
ENA_A... |
functions | void ena_set_conf_feat_params(struct ena_adapter *adapter,
struct ena_com_dev_get_features_ctx *feat)
{
struct net_device *netdev = adapter->netdev;
/* Copy mac address */
if (!is_valid_ether_addr(feat->dev_attr.mac_addr)) {
eth_hw_addr_random(netdev);
ether_addr_copy(adapter->mac_addr, netdev->dev_add... |
functions | int ena_rss_init_default(struct ena_adapter *adapter)
{
struct ena_com_dev *ena_dev = adapter->ena_dev;
struct device *dev = &adapter->pdev->dev;
int rc, i;
u32 val;
rc = ena_com_rss_init(ena_dev, ENA_RX_RSS_TABLE_LOG_SIZE);
if (unlikely(rc)) {
dev_err(dev, "Cannot init indirect table\n");
goto err_rss_init;... |
functions | void ena_release_bars(struct ena_com_dev *ena_dev, struct pci_dev *pdev)
{
int release_bars = pci_select_bars(pdev, IORESOURCE_MEM) & ENA_BAR_MASK;
pci_release_selected_regions(pdev, release_bars);
} |
functions | int ena_calc_queue_size(struct pci_dev *pdev,
struct ena_com_dev *ena_dev,
u16 *max_tx_sgl_size,
u16 *max_rx_sgl_size,
struct ena_com_dev_get_features_ctx *get_feat_ctx)
{
u32 queue_size = ENA_DEFAULT_RING_SIZE;
queue_size = min_t(u32, queue_size,
get_feat_ctx->max_queue... |
functions | int ena_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
{
struct ena_com_dev_get_features_ctx get_feat_ctx;
static int version_printed;
struct net_device *netdev;
struct ena_adapter *adapter;
struct ena_com_dev *ena_dev = NULL;
static int adapters_found;
int io_queue_num, bars, rc;
int queue_size;
... |
functions | void ena_remove(struct pci_dev *pdev)
{
struct ena_adapter *adapter = pci_get_drvdata(pdev);
struct ena_com_dev *ena_dev;
struct net_device *netdev;
ena_dev = adapter->ena_dev;
netdev = adapter->netdev;
#ifdef CONFIG_RFS_ACCEL
if ((adapter->msix_vecs >= 1) && (netdev->rx_cpu_rmap)) {
free_irq_cpu_rmap(netdev-... |
functions | int ena_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct ena_adapter *adapter = pci_get_drvdata(pdev);
u64_stats_update_begin(&adapter->syncp);
adapter->dev_stats.suspend++;
u64_stats_update_end(&adapter->syncp);
rtnl_lock();
if (unlikely(test_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags))) {
dev_er... |
functions | int ena_resume(struct pci_dev *pdev)
{
struct ena_adapter *adapter = pci_get_drvdata(pdev);
int rc;
u64_stats_update_begin(&adapter->syncp);
adapter->dev_stats.resume++;
u64_stats_update_end(&adapter->syncp);
rtnl_lock();
rc = ena_restore_device(adapter);
rtnl_unlock();
return rc;
} |
functions | __init ena_init(void)
{
pr_info("%s", version);
ena_wq = create_singlethread_workqueue(DRV_MODULE_NAME);
if (!ena_wq) {
pr_err("Failed to create workqueue\n");
return -ENOMEM;
} |
functions | __exit ena_cleanup(void)
{
pci_unregister_driver(&ena_pci_driver);
if (ena_wq) {
destroy_workqueue(ena_wq);
ena_wq = NULL;
} |
functions | void ena_update_on_link_change(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
struct ena_admin_aenq_link_change_desc *aenq_desc =
(struct ena_admin_aenq_link_change_desc *)aenq_e;
int status = aenq_desc->flags &
ENA_ADMIN_AEN... |
functions | void ena_keep_alive_wd(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
struct ena_admin_aenq_keep_alive_desc *desc;
u64 rx_drops;
desc = (struct ena_admin_aenq_keep_alive_desc *)aenq_e;
adapter->last_keep_alive_jiffies = jiffies... |
functions | void ena_notification(void *adapter_data,
struct ena_admin_aenq_entry *aenq_e)
{
struct ena_adapter *adapter = (struct ena_adapter *)adapter_data;
struct ena_admin_ena_hw_hints *hints;
WARN(aenq_e->aenq_common_desc.group != ENA_ADMIN_NOTIFICATION,
"Invalid group(%x) expected %x\n",
aenq_e->aenq_... |
functions | void unimplemented_aenq_handler(void *data,
struct ena_admin_aenq_entry *aenq_e)
{
struct ena_adapter *adapter = (struct ena_adapter *)data;
netif_err(adapter, drv, adapter->netdev,
"Unknown event was received or event with unimplemented handler\n");
} |
includes |
#include <linux/config.h> |
includes | #include <linux/module.h> |
includes | #include <linux/devfs_fs_kernel.h> |
includes | #include <linux/spinlock.h> |
includes | #include <linux/errno.h> |
includes | #include <linux/usb.h> |
defines | #define DEBUG |
defines |
#define MAX_USB_MINORS 256 |
functions | int usb_open(struct inode * inode, struct file * file)
{
int minor = iminor(inode);
struct file_operations *c;
int err = -ENODEV;
struct file_operations *old_fops, *new_fops = NULL;
spin_lock (&minor_lock);
c = usb_minors[minor];
if (!c || !(new_fops = fops_get(c))) {
spin_unlock(&minor_lock);
return err;
... |
functions | void release_usb_class_dev(struct class_device *class_dev)
{
dbg("%s - %s", __FUNCTION__, class_dev->class_id);
kfree(class_dev);
} |
functions | int usb_major_init(void)
{
if (register_chrdev(USB_MAJOR, "usb", &usb_fops)) {
err("unable to get major %d for usb devices", USB_MAJOR);
return -EBUSY;
} |
functions | void usb_major_cleanup(void)
{
class_unregister(&usb_class);
devfs_remove("usb");
unregister_chrdev(USB_MAJOR, "usb");
} |
functions | ssize_t show_dev(struct class_device *class_dev, char *buf)
{
int minor = (int)(long)class_get_devdata(class_dev);
return print_dev_t(buf, MKDEV(USB_MAJOR, minor));
} |
functions | int usb_register_dev(struct usb_interface *intf,
struct usb_class_driver *class_driver)
{
int retval = -EINVAL;
int minor_base = class_driver->minor_base;
int minor = 0;
char name[BUS_ID_SIZE];
struct class_device *class_dev;
char *temp;
#ifdef CONFIG_USB_DYNAMIC_MINORS
/*
* We don't care what the dev... |
functions | void usb_deregister_dev(struct usb_interface *intf,
struct usb_class_driver *class_driver)
{
int minor_base = class_driver->minor_base;
char name[BUS_ID_SIZE];
#ifdef CONFIG_USB_DYNAMIC_MINORS
minor_base = 0;
#endif
if (intf->minor == -1)
return;
dbg ("removing %d minor", intf->minor);
spin_lock (&minor_... |
includes |
#include <linux/i2c.h> |
includes | #include <linux/slab.h> |
defines |
#define DP_LINK_STATUS_SIZE 6 |
defines | #define DP_LINK_CHECK_TIMEOUT (10 * 1000) |
defines |
#define DP_LINK_CONFIGURATION_SIZE 9 |
defines |
#define IS_eDP(i) ((i)->base.type == INTEL_OUTPUT_EDP) |
defines | #define IS_PCH_eDP(i) ((i)->is_pch_edp) |
defines | #define I830_DP_VOLTAGE_MAX DP_TRAIN_VOLTAGE_SWING_800 |
defines | #define CHANNEL_EQ_BITS (DP_LANE_CR_DONE|\ |
structs | struct intel_dp {
struct intel_encoder base;
uint32_t output_reg;
uint32_t DP;
uint8_t link_configuration[DP_LINK_CONFIGURATION_SIZE];
bool has_audio;
int dpms_mode;
uint8_t link_bw;
uint8_t lane_count;
uint8_t dpcd[4];
struct i2c_adapter adapter;
struct i2c_algo_dp_aux_data algo;
bool is_pch_edp;
}; |
structs | struct intel_dp_m_n {
uint32_t tu;
uint32_t gmch_m;
uint32_t gmch_n;
uint32_t link_m;
uint32_t link_n;
}; |
functions | void
intel_edp_link_config (struct intel_encoder *intel_encoder,
int *lane_num, int *link_bw)
{
struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
*lane_num = intel_dp->lane_count;
if (intel_dp->link_bw == DP_LINK_BW_1_62)
*link_bw = 162000;
else if (intel_dp->link_bw == DP_... |
functions | int
intel_dp_max_lane_count(struct intel_dp *intel_dp)
{
int max_lane_count = 4;
if (intel_dp->dpcd[0] >= 0x11) {
max_lane_count = intel_dp->dpcd[2] & 0x1f;
switch (max_lane_count) {
case 1: case 2: case 4:
break;
default:
max_lane_count = 4;
} |
functions | int
intel_dp_max_link_bw(struct intel_dp *intel_dp)
{
int max_link_bw = intel_dp->dpcd[1];
switch (max_link_bw) {
case DP_LINK_BW_1_62:
case DP_LINK_BW_2_7:
break;
default:
max_link_bw = DP_LINK_BW_1_62;
break;
} |
functions | int
intel_dp_link_clock(uint8_t link_bw)
{
if (link_bw == DP_LINK_BW_2_7)
return 270000;
else
return 162000;
} |
functions | int
intel_dp_link_required(struct drm_device *dev, struct intel_dp *intel_dp, int pixel_clock)
{
struct drm_i915_private *dev_priv = dev->dev_private;
if (IS_eDP(intel_dp) || IS_PCH_eDP(intel_dp))
return (pixel_clock * dev_priv->edp_bpp) / 8;
else
return pixel_clock * 3;
} |
functions | int
intel_dp_max_data_rate(int max_link_clock, int max_lanes)
{
return (max_link_clock * max_lanes * 8) / 10;
} |
functions | int
intel_dp_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int m... |
functions | uint32_t
pack_aux(uint8_t *src, int src_bytes)
{
int i;
uint32_t v = 0;
if (src_bytes > 4)
src_bytes = 4;
for (i = 0; i < src_bytes; i++)
v |= ((uint32_t) src[i]) << ((3-i) * 8);
return v;
} |
functions | void
unpack_aux(uint32_t src, uint8_t *dst, int dst_bytes)
{
int i;
if (dst_bytes > 4)
dst_bytes = 4;
for (i = 0; i < dst_bytes; i++)
dst[i] = src >> ((3-i) * 8);
} |
functions | int
intel_hrawclk(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t clkcfg;
clkcfg = I915_READ(CLKCFG);
switch (clkcfg & CLKCFG_FSB_MASK) {
case CLKCFG_FSB_400:
return 100;
case CLKCFG_FSB_533:
return 133;
case CLKCFG_FSB_667:
return 166;
case CLKCFG_FSB_800:
retu... |
functions | int
intel_dp_aux_ch(struct intel_dp *intel_dp,
uint8_t *send, int send_bytes,
uint8_t *recv, int recv_size)
{
uint32_t output_reg = intel_dp->output_reg;
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t ch_ctl = output_reg + 0x10;
uint32_t ch_data ... |
functions | int
intel_dp_aux_native_write(struct intel_dp *intel_dp,
uint16_t address, uint8_t *send, int send_bytes)
{
int ret;
uint8_t msg[20];
int msg_bytes;
uint8_t ack;
if (send_bytes > 16)
return -1;
msg[0] = AUX_NATIVE_WRITE << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = send_bytes - 1;
mem... |
functions | int
intel_dp_aux_native_write_1(struct intel_dp *intel_dp,
uint16_t address, uint8_t byte)
{
return intel_dp_aux_native_write(intel_dp, address, &byte, 1);
} |
functions | int
intel_dp_aux_native_read(struct intel_dp *intel_dp,
uint16_t address, uint8_t *recv, int recv_bytes)
{
uint8_t msg[4];
int msg_bytes;
uint8_t reply[20];
int reply_bytes;
uint8_t ack;
int ret;
msg[0] = AUX_NATIVE_READ << 4;
msg[1] = address >> 8;
msg[2] = address & 0xff;
msg[3] = recv_bytes - 1;
msg... |
functions | int
intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
uint8_t write_byte, uint8_t *read_byte)
{
struct i2c_algo_dp_aux_data *algo_data = adapter->algo_data;
struct intel_dp *intel_dp = container_of(adapter,
struct intel_dp,
adapter);
uint16_t address = algo_data->address;
uint8_t msg[5];
... |
functions | int
intel_dp_i2c_init(struct intel_dp *intel_dp,
struct intel_connector *intel_connector, const char *name)
{
DRM_DEBUG_KMS("i2c_init %s\n", name);
intel_dp->algo.running = false;
intel_dp->algo.address = 0;
intel_dp->algo.aux_ch = intel_dp_i2c_aux_ch;
memset(&intel_dp->adapter, '\0', sizeof (intel_dp->adapte... |
functions | bool
intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
int lane_count, clock;
int max_lane... |
functions | void
intel_reduce_ratio(uint32_t *num, uint32_t *den)
{
while (*num > 0xffffff || *den > 0xffffff) {
*num >>= 1;
*den >>= 1;
} |
functions | void
intel_dp_compute_m_n(int bpp,
int nlanes,
int pixel_clock,
int link_clock,
struct intel_dp_m_n *m_n)
{
m_n->tu = 64;
m_n->gmch_m = (pixel_clock * bpp) >> 3;
m_n->gmch_n = link_clock * nlanes;
intel_reduce_ratio(&m_n->gmch_m, &m_n->gmch_n);
m_n->link_m = pixel_clock;
m_n->link_n = ... |
functions | bool intel_pch_has_edp(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_encoder *encoder;
list_for_each_entry(encoder, &mode_config->encoder_list, head) {
struct intel_dp *intel_dp;
if (encoder->crtc != crtc)
continue;
intel... |
functions | void
intel_dp_set_m_n(struct drm_crtc *crtc, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = crtc->dev;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_encoder *encoder;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc ... |
functions | void
intel_dp_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
struct drm_device *dev = encoder->dev;
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_crtc *crtc = intel_dp->base.enc.crtc;
struct intel_crtc *intel_crtc = to_intel_crtc... |
functions | void ironlake_edp_panel_on (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
if (I915_READ(PCH_PP_STATUS) & PP_ON)
return;
pp = I915_READ(PCH_PP_CONTROL);
/* ILK workaround: disable reset around power sequence */
pp &= ~PANEL_POWER_RESET;
I915_WRITE(PCH_PP_CONTROL, pp)... |
functions | void ironlake_edp_panel_off (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
pp = I915_READ(PCH_PP_CONTROL);
/* ILK workaround: disable reset around power sequence */
pp &= ~PANEL_POWER_RESET;
I915_WRITE(PCH_PP_CONTROL, pp);
POSTING_READ(PCH_PP_CONTROL);
pp &= ~POWER_T... |
functions | void ironlake_edp_backlight_on (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
DRM_DEBUG_KMS("\n");
pp = I915_READ(PCH_PP_CONTROL);
pp |= EDP_BLC_ENABLE;
I915_WRITE(PCH_PP_CONTROL, pp);
} |
functions | void ironlake_edp_backlight_off (struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
u32 pp;
DRM_DEBUG_KMS("\n");
pp = I915_READ(PCH_PP_CONTROL);
pp &= ~EDP_BLC_ENABLE;
I915_WRITE(PCH_PP_CONTROL, pp);
} |
functions | void ironlake_edp_pll_on(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 dpa_ctl;
DRM_DEBUG_KMS("\n");
dpa_ctl = I915_READ(DP_A);
dpa_ctl &= ~DP_PLL_ENABLE;
I915_WRITE(DP_A, dpa_ctl);
} |
functions | void ironlake_edp_pll_off(struct drm_encoder *encoder)
{
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
u32 dpa_ctl;
dpa_ctl = I915_READ(DP_A);
dpa_ctl |= DP_PLL_ENABLE;
I915_WRITE(DP_A, dpa_ctl);
udelay(200);
} |
functions | void intel_dp_prepare(struct drm_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t dp_reg = I915_READ(intel_dp->output_reg);
if (IS_eDP(intel_dp)) {
ironlake_edp_backlight_off(dev);
ir... |
functions | void intel_dp_commit(struct drm_encoder *encoder)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t dp_reg = I915_READ(intel_dp->output_reg);
if (!(dp_reg & DP_PORT_EN)) {
intel_dp_link_train(intel_dp);
... |
functions | void
intel_dp_dpms(struct drm_encoder *encoder, int mode)
{
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = encoder->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t dp_reg = I915_READ(intel_dp->output_reg);
if (mode != DRM_MODE_DPMS_ON) {
if (IS_eDP(intel_dp) |... |
functions | bool
intel_dp_get_link_status(struct intel_dp *intel_dp,
uint8_t link_status[DP_LINK_STATUS_SIZE])
{
int ret;
ret = intel_dp_aux_native_read(intel_dp,
DP_LANE0_1_STATUS,
link_status, DP_LINK_STATUS_SIZE);
if (ret != DP_LINK_STATUS_SIZE)
return false;
return true;
} |
functions | uint8_t
intel_dp_link_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
int r)
{
return link_status[r - DP_LANE0_1_STATUS];
} |
functions | uint8_t
intel_get_adjust_request_voltage(uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane)
{
int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
int s = ((lane & 1) ?
DP_ADJUST_VOLTAGE_SWING_LANE1_SHIFT :
DP_ADJUST_VOLTAGE_SWING_LANE0_SHIFT);
uint8_t l = intel_dp_link_status(link_status, i);
re... |
functions | uint8_t
intel_get_adjust_request_pre_emphasis(uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane)
{
int i = DP_ADJUST_REQUEST_LANE0_1 + (lane >> 1);
int s = ((lane & 1) ?
DP_ADJUST_PRE_EMPHASIS_LANE1_SHIFT :
DP_ADJUST_PRE_EMPHASIS_LANE0_SHIFT);
uint8_t l = intel_dp_link_status(link_status, ... |
functions | uint8_t
intel_dp_pre_emphasis_max(uint8_t voltage_swing)
{
switch (voltage_swing & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_400:
return DP_TRAIN_PRE_EMPHASIS_6;
case DP_TRAIN_VOLTAGE_SWING_600:
return DP_TRAIN_PRE_EMPHASIS_6;
case DP_TRAIN_VOLTAGE_SWING_800:
return DP_TRAIN_PRE_EMPHASIS_3_5;... |
functions | void
intel_get_adjust_train(struct intel_dp *intel_dp,
uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane_count,
uint8_t train_set[4])
{
uint8_t v = 0;
uint8_t p = 0;
int lane;
for (lane = 0; lane < lane_count; lane++) {
uint8_t this_v = intel_get_adjust_request_voltage(link_status, la... |
functions | uint32_t
intel_dp_signal_levels(uint8_t train_set, int lane_count)
{
uint32_t signal_levels = 0;
switch (train_set & DP_TRAIN_VOLTAGE_SWING_MASK) {
case DP_TRAIN_VOLTAGE_SWING_400:
default:
signal_levels |= DP_VOLTAGE_0_4;
break;
case DP_TRAIN_VOLTAGE_SWING_600:
signal_levels |= DP_VOLTAGE_0_6;
break;
ca... |
functions | uint32_t
intel_gen6_edp_signal_levels(uint8_t train_set)
{
switch (train_set & (DP_TRAIN_VOLTAGE_SWING_MASK|DP_TRAIN_PRE_EMPHASIS_MASK)) {
case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_0:
return EDP_LINK_TRAIN_400MV_0DB_SNB_B;
case DP_TRAIN_VOLTAGE_SWING_400 | DP_TRAIN_PRE_EMPHASIS_6:
return EDP_LINK_T... |
functions | uint8_t
intel_get_lane_status(uint8_t link_status[DP_LINK_STATUS_SIZE],
int lane)
{
int i = DP_LANE0_1_STATUS + (lane >> 1);
int s = (lane & 1) * 4;
uint8_t l = intel_dp_link_status(link_status, i);
return (l >> s) & 0xf;
} |
functions | bool
intel_clock_recovery_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count)
{
int lane;
uint8_t lane_status;
for (lane = 0; lane < lane_count; lane++) {
lane_status = intel_get_lane_status(link_status, lane);
if ((lane_status & DP_LANE_CR_DONE) == 0)
return false;
} |
functions | bool
intel_channel_eq_ok(uint8_t link_status[DP_LINK_STATUS_SIZE], int lane_count)
{
uint8_t lane_align;
uint8_t lane_status;
int lane;
lane_align = intel_dp_link_status(link_status,
DP_LANE_ALIGN_STATUS_UPDATED);
if ((lane_align & DP_INTERLANE_ALIGN_DONE) == 0)
return false;
for (lane = 0; lane < lane_... |
functions | bool
intel_dp_set_link_train(struct intel_dp *intel_dp,
uint32_t dp_reg_value,
uint8_t dp_train_pat,
uint8_t train_set[4],
bool first)
{
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(intel_dp->base.enc.... |
functions | void
intel_dp_link_train(struct intel_dp *intel_dp)
{
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint8_t train_set[4];
uint8_t link_status[DP_LINK_STATUS_SIZE];
int i;
uint8_t voltage;
bool clock_recovery = false;
bool channel_eq = false;
bool first =... |
functions | void
intel_dp_link_down(struct intel_dp *intel_dp)
{
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t DP = intel_dp->DP;
DRM_DEBUG_KMS("\n");
if (IS_eDP(intel_dp)) {
DP &= ~DP_PLL_ENABLE;
I915_WRITE(intel_dp->output_reg, DP);
POSTING_READ(intel... |
functions | void
intel_dp_check_link_status(struct intel_dp *intel_dp)
{
uint8_t link_status[DP_LINK_STATUS_SIZE];
if (!intel_dp->base.enc.crtc)
return;
if (!intel_dp_get_link_status(intel_dp, link_status)) {
intel_dp_link_down(intel_dp);
return;
} |
functions | drm_connector_status
ironlake_dp_detect(struct drm_connector *connector)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
enum drm_connector_status status;
status = connector_status_disconnected;
if (intel_dp_aux_native_read(intel_dp,
... |
functions | drm_connector_status
intel_dp_detect(struct drm_connector *connector, bool force)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
uint32_t ... |
functions | int intel_dp_get_modes(struct drm_connector *connector)
{
struct drm_encoder *encoder = intel_attached_encoder(connector);
struct intel_dp *intel_dp = enc_to_intel_dp(encoder);
struct drm_device *dev = intel_dp->base.enc.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
int ret;
/* We should parse the E... |
functions | void
intel_dp_destroy (struct drm_connector *connector)
{
drm_sysfs_connector_remove(connector);
drm_connector_cleanup(connector);
kfree(connector);
} |
functions | void
intel_dp_hot_plug(struct intel_encoder *intel_encoder)
{
struct intel_dp *intel_dp = container_of(intel_encoder, struct intel_dp, base);
if (intel_dp->dpms_mode == DRM_MODE_DPMS_ON)
intel_dp_check_link_status(intel_dp);
} |
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