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path: root/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
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Diffstat (limited to 'drivers/staging/media/atomisp/pci/atomisp_v4l2.c')
-rw-r--r--drivers/staging/media/atomisp/pci/atomisp_v4l2.c183
1 files changed, 61 insertions, 122 deletions
diff --git a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
index f736e54c7df3..9df0eb7044b7 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_v4l2.c
@@ -74,13 +74,15 @@ static char firmware_name[256];
module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0);
MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the default firmware name.");
-/*set to 16x16 since this is the amount of lines and pixels the sensor
-exports extra. If these are kept at the 10x8 that they were on, in yuv
-downscaling modes incorrect resolutions where requested to the sensor
-driver with strange outcomes as a result. The proper way tot do this
-would be to have a list of tables the specify the sensor res, mipi rec,
-output res, and isp output res. however since we do not have this yet,
-the chosen solution is the next best thing. */
+/*
+ * Set to 16x16 since this is the amount of lines and pixels the sensor
+ * exports extra. If these are kept at the 10x8 that they were on, in yuv
+ * downscaling modes incorrect resolutions where requested to the sensor
+ * driver with strange outcomes as a result. The proper way tot do this
+ * would be to have a list of tables the specify the sensor res, mipi rec,
+ * output res, and isp output res. however since we do not have this yet,
+ * the chosen solution is the next best thing.
+ */
int pad_w = 16;
module_param(pad_w, int, 0644);
MODULE_PARM_DESC(pad_w, "extra data for ISP processing");
@@ -503,12 +505,12 @@ static int atomisp_mrfld_pre_power_down(struct atomisp_device *isp)
}
done:
/*
- * MRFLD WORKAROUND:
- * before powering off IUNIT, clear the pending interrupts
- * and disable the interrupt. driver should avoid writing 0
- * to IIR. It could block subsequent interrupt messages.
- * HW sighting:4568410.
- */
+ * MRFLD WORKAROUND:
+ * before powering off IUNIT, clear the pending interrupts
+ * and disable the interrupt. driver should avoid writing 0
+ * to IIR. It could block subsequent interrupt messages.
+ * HW sighting:4568410.
+ */
pci_read_config_dword(pdev, PCI_INTERRUPT_CTRL, &irq);
irq &= ~BIT(INTR_IER);
pci_write_config_dword(pdev, PCI_INTERRUPT_CTRL, irq);
@@ -521,9 +523,9 @@ done:
}
/*
-* WA for DDR DVFS enable/disable
-* By default, ISP will force DDR DVFS 1600MHz before disable DVFS
-*/
+ * WA for DDR DVFS enable/disable
+ * By default, ISP will force DDR DVFS 1600MHz before disable DVFS
+ */
static void punit_ddr_dvfs_enable(bool enable)
{
int reg;
@@ -781,66 +783,38 @@ int atomisp_csi_lane_config(struct atomisp_device *isp)
static int atomisp_subdev_probe(struct atomisp_device *isp)
{
- const struct atomisp_platform_data *pdata;
- struct intel_v4l2_subdev_table *subdevs;
+ const struct intel_v4l2_subdev_table *subdevs;
int ret, mipi_port;
ret = atomisp_csi2_bridge_parse_firmware(isp);
if (ret)
return ret;
- pdata = atomisp_get_platform_data();
- if (!pdata) {
- dev_err(isp->dev, "no platform data available\n");
- return 0;
- }
-
/*
* TODO: this is left here for now to allow testing atomisp-sensor
* drivers which are still using the atomisp_gmin_platform infra before
* converting them to standard v4l2 sensor drivers using runtime-pm +
* ACPI for pm and v4l2_async_register_subdev_sensor() registration.
*/
- for (subdevs = pdata->subdevs; subdevs->type; ++subdevs) {
+ for (subdevs = atomisp_platform_get_subdevs(); subdevs->subdev; subdevs++) {
ret = v4l2_device_register_subdev(&isp->v4l2_dev, subdevs->subdev);
if (ret)
continue;
- switch (subdevs->type) {
- case RAW_CAMERA:
- if (subdevs->port >= ATOMISP_CAMERA_NR_PORTS) {
- dev_err(isp->dev, "port %d not supported\n", subdevs->port);
- break;
- }
-
- if (isp->sensor_subdevs[subdevs->port]) {
- dev_err(isp->dev, "port %d already has a sensor attached\n",
- subdevs->port);
- break;
- }
+ if (subdevs->port >= ATOMISP_CAMERA_NR_PORTS) {
+ dev_err(isp->dev, "port %d not supported\n", subdevs->port);
+ continue;
+ }
- mipi_port = atomisp_port_to_mipi_port(isp, subdevs->port);
- isp->sensor_lanes[mipi_port] = subdevs->lanes;
- isp->sensor_subdevs[subdevs->port] = subdevs->subdev;
- break;
- case CAMERA_MOTOR:
- if (isp->motor) {
- dev_warn(isp->dev, "too many atomisp motors\n");
- continue;
- }
- isp->motor = subdevs->subdev;
- break;
- case LED_FLASH:
- if (isp->flash) {
- dev_warn(isp->dev, "too many atomisp flash devices\n");
- continue;
- }
- isp->flash = subdevs->subdev;
- break;
- default:
- dev_dbg(isp->dev, "unknown subdev probed\n");
- break;
+ if (isp->sensor_subdevs[subdevs->port]) {
+ dev_err(isp->dev, "port %d already has a sensor attached\n",
+ subdevs->port);
+ continue;
}
+
+ mipi_port = atomisp_port_to_mipi_port(isp, subdevs->port);
+ isp->sensor_lanes[mipi_port] = subdevs->lanes;
+ isp->sensor_subdevs[subdevs->port] = subdevs->subdev;
}
return atomisp_csi_lane_config(isp);
@@ -852,7 +826,6 @@ static void atomisp_unregister_entities(struct atomisp_device *isp)
struct v4l2_subdev *sd, *next;
atomisp_subdev_unregister_entities(&isp->asd);
- atomisp_tpg_unregister_entities(&isp->tpg);
for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++)
atomisp_mipi_csi2_unregister_entities(&isp->csi2_port[i]);
@@ -907,12 +880,6 @@ static int atomisp_register_entities(struct atomisp_device *isp)
goto csi_and_subdev_probe_failed;
}
- ret = atomisp_tpg_register_entities(&isp->tpg, &isp->v4l2_dev);
- if (ret < 0) {
- dev_err(isp->dev, "atomisp_tpg_register_entities\n");
- goto tpg_register_failed;
- }
-
ret = atomisp_subdev_register_subdev(&isp->asd, &isp->v4l2_dev);
if (ret < 0) {
dev_err(isp->dev, "atomisp_subdev_register_subdev fail\n");
@@ -922,8 +889,6 @@ static int atomisp_register_entities(struct atomisp_device *isp)
return 0;
subdev_register_failed:
- atomisp_tpg_unregister_entities(&isp->tpg);
-tpg_register_failed:
for (i = 0; i < ATOMISP_CAMERA_NR_PORTS; i++)
atomisp_mipi_csi2_unregister_entities(&isp->csi2_port[i]);
csi_and_subdev_probe_failed:
@@ -1060,20 +1025,12 @@ int atomisp_register_device_nodes(struct atomisp_device *isp)
input = &isp->inputs[isp->input_cnt];
- input->type = RAW_CAMERA;
input->port = i;
input->camera = isp->sensor_subdevs[i];
+ input->csi_port = &isp->csi2_port[i].subdev;
atomisp_init_sensor(input);
- /*
- * HACK: Currently VCM belongs to primary sensor only, but correct
- * approach must be to acquire from platform code which sensor
- * owns it.
- */
- if (i == ATOMISP_CAMERA_PORT_PRIMARY)
- input->motor = isp->motor;
-
err = media_create_pad_link(&input->camera->entity, 0,
&isp->csi2_port[i].subdev.entity,
CSI2_PAD_SINK,
@@ -1089,14 +1046,9 @@ int atomisp_register_device_nodes(struct atomisp_device *isp)
else
dev_info(isp->dev, "detected %d camera sensors\n", isp->input_cnt);
- if (isp->input_cnt < ATOM_ISP_MAX_INPUTS) {
- dev_dbg(isp->dev, "TPG detected, camera_cnt: %d\n", isp->input_cnt);
- isp->inputs[isp->input_cnt].type = TEST_PATTERN;
- isp->inputs[isp->input_cnt].port = -1;
- isp->inputs[isp->input_cnt++].camera = &isp->tpg.sd;
- } else {
- dev_warn(isp->dev, "too many atomisp inputs, TPG ignored.\n");
- }
+ mutex_lock(&isp->media_dev.graph_mutex);
+ atomisp_setup_input_links(isp);
+ mutex_unlock(&isp->media_dev.graph_mutex);
isp->asd.video_out.vdev.v4l2_dev = &isp->v4l2_dev;
isp->asd.video_out.vdev.device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING;
@@ -1105,7 +1057,8 @@ int atomisp_register_device_nodes(struct atomisp_device *isp)
return err;
err = media_create_pad_link(&isp->asd.subdev.entity, ATOMISP_SUBDEV_PAD_SOURCE,
- &isp->asd.video_out.vdev.entity, 0, 0);
+ &isp->asd.video_out.vdev.entity, 0,
+ MEDIA_LNK_FL_ENABLED | MEDIA_LNK_FL_IMMUTABLE);
if (err)
return err;
@@ -1126,12 +1079,6 @@ static int atomisp_initialize_modules(struct atomisp_device *isp)
goto error_mipi_csi2;
}
- ret = atomisp_tpg_init(isp);
- if (ret < 0) {
- dev_err(isp->dev, "tpg initialization failed\n");
- goto error_tpg;
- }
-
ret = atomisp_subdev_init(isp);
if (ret < 0) {
dev_err(isp->dev, "ISP subdev initialization failed\n");
@@ -1141,8 +1088,6 @@ static int atomisp_initialize_modules(struct atomisp_device *isp)
return 0;
error_isp_subdev:
-error_tpg:
- atomisp_tpg_cleanup(isp);
error_mipi_csi2:
atomisp_mipi_csi2_cleanup(isp);
return ret;
@@ -1150,7 +1095,6 @@ error_mipi_csi2:
static void atomisp_uninitialize_modules(struct atomisp_device *isp)
{
- atomisp_tpg_cleanup(isp);
atomisp_mipi_csi2_cleanup(isp);
}
@@ -1235,18 +1179,14 @@ static void atomisp_pm_uninit(struct atomisp_device *isp)
static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
- const struct atomisp_platform_data *pdata;
struct atomisp_device *isp;
unsigned int start;
- int err, val;
+ u32 val;
+ int err;
/* Pointer to struct device. */
atomisp_dev = &pdev->dev;
- pdata = atomisp_get_platform_data();
- if (!pdata)
- dev_warn(&pdev->dev, "no platform data available\n");
-
start = pci_resource_start(pdev, ATOM_ISP_PCI_BAR);
dev_dbg(&pdev->dev, "start: 0x%x\n", start);
@@ -1266,8 +1206,10 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
pci_set_drvdata(pdev, isp);
- switch (id->device & ATOMISP_PCI_DEVICE_SOC_MASK) {
+ switch (id->device) {
case ATOMISP_PCI_DEVICE_SOC_MRFLD:
+ case ATOMISP_PCI_DEVICE_SOC_MRFLD_1179:
+ case ATOMISP_PCI_DEVICE_SOC_MRFLD_117A:
isp->media_dev.hw_revision =
(ATOMISP_HW_REVISION_ISP2400
<< ATOMISP_HW_REVISION_SHIFT) |
@@ -1325,7 +1267,7 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
pdev->d3cold_delay = 0;
break;
case ATOMISP_PCI_DEVICE_SOC_ANN:
- isp->media_dev.hw_revision = ( ATOMISP_HW_REVISION_ISP2401
+ isp->media_dev.hw_revision = (ATOMISP_HW_REVISION_ISP2401
<< ATOMISP_HW_REVISION_SHIFT);
isp->media_dev.hw_revision |= pdev->revision < 2 ?
ATOMISP_HW_STEPPING_A0 : ATOMISP_HW_STEPPING_B0;
@@ -1333,7 +1275,7 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
isp->hpll_freq = HPLL_FREQ_1600MHZ;
break;
case ATOMISP_PCI_DEVICE_SOC_CHT:
- isp->media_dev.hw_revision = ( ATOMISP_HW_REVISION_ISP2401
+ isp->media_dev.hw_revision = (ATOMISP_HW_REVISION_ISP2401
<< ATOMISP_HW_REVISION_SHIFT);
isp->media_dev.hw_revision |= pdev->revision < 2 ?
ATOMISP_HW_STEPPING_A0 : ATOMISP_HW_STEPPING_B0;
@@ -1363,7 +1305,7 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
}
if (pdev->revision <= ATOMISP_PCI_REV_BYT_A0_MAX) {
- dev_err(&pdev->dev, "revision %d is not unsupported\n", pdev->revision);
+ dev_err(&pdev->dev, "revision %d is not supported\n", pdev->revision);
return -ENODEV;
}
@@ -1420,28 +1362,25 @@ static int atomisp_pci_probe(struct pci_dev *pdev, const struct pci_device_id *i
*/
atomisp_css2_hw_store_32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1);
- if ((id->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
- ATOMISP_PCI_DEVICE_SOC_MRFLD) {
- u32 csi_afe_trim;
-
+ switch (id->device) {
+ case ATOMISP_PCI_DEVICE_SOC_MRFLD:
+ case ATOMISP_PCI_DEVICE_SOC_MRFLD_1179:
+ case ATOMISP_PCI_DEVICE_SOC_MRFLD_117A:
/*
* Workaround for imbalance data eye issue which is observed
* on TNG B0.
*/
- pci_read_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, &csi_afe_trim);
- csi_afe_trim &= ~((MRFLD_PCI_CSI_HSRXCLKTRIM_MASK <<
- MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) |
- (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK <<
- MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) |
- (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK <<
- MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT));
- csi_afe_trim |= (MRFLD_PCI_CSI1_HSRXCLKTRIM <<
- MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) |
- (MRFLD_PCI_CSI2_HSRXCLKTRIM <<
- MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) |
- (MRFLD_PCI_CSI3_HSRXCLKTRIM <<
- MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT);
- pci_write_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, csi_afe_trim);
+ pci_read_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, &val);
+ val &= ~((MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) |
+ (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) |
+ (MRFLD_PCI_CSI_HSRXCLKTRIM_MASK << MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT));
+ val |= (MRFLD_PCI_CSI1_HSRXCLKTRIM << MRFLD_PCI_CSI1_HSRXCLKTRIM_SHIFT) |
+ (MRFLD_PCI_CSI2_HSRXCLKTRIM << MRFLD_PCI_CSI2_HSRXCLKTRIM_SHIFT) |
+ (MRFLD_PCI_CSI3_HSRXCLKTRIM << MRFLD_PCI_CSI3_HSRXCLKTRIM_SHIFT);
+ pci_write_config_dword(pdev, MRFLD_PCI_CSI_AFE_TRIM_CONTROL, val);
+ break;
+ default:
+ break;
}
err = atomisp_initialize_modules(isp);