+ // SPDX-License-Identifier: GPL-2.0
/*
* Support for Medifield PNW Camera Imaging ISP subsystem.
*
#include "hmm/hmm.h"
#include "atomisp_trace_event.h"
- #include "hrt/hive_isp_css_mm_hrt.h"
+ #include "sh_css_firmware.h"
#include "device_access.h"
MODULE_PARM_DESC(skip_fwload, "Skip atomisp firmware load");
/* set reserved memory pool size in page */
- static unsigned int repool_pgnr;
+ static unsigned int repool_pgnr = 32768;
module_param(repool_pgnr, uint, 0644);
MODULE_PARM_DESC(repool_pgnr,
- "Set the reserved memory pool size in page (default:0)");
+ "Set the reserved memory pool size in page (default:32768)");
/* set dynamic memory pool size in page */
unsigned int dypool_pgnr = UINT_MAX;
module_param(dypool_pgnr, uint, 0644);
MODULE_PARM_DESC(dypool_pgnr,
- "Set the dynamic memory pool size in page (default:0)");
+ "Set the dynamic memory pool size in page (default: unlimited)");
- bool dypool_enable;
+ bool dypool_enable = true;
module_param(dypool_enable, bool, 0644);
MODULE_PARM_DESC(dypool_enable,
- "dynamic memory pool enable/disable (default:disable)");
+ "dynamic memory pool enable/disable (default:enabled)");
/* memory optimization: deferred firmware loading */
bool defer_fw_load;
/* cross componnet debug message flag */
int dbg_level;
module_param(dbg_level, int, 0644);
- MODULE_PARM_DESC(dbg_level, "debug message on/off (default:off)");
+ MODULE_PARM_DESC(dbg_level, "debug message level (default:0)");
/* log function switch */
int dbg_func = 2;
module_param(mipicsi_flag, int, 0644);
MODULE_PARM_DESC(mipicsi_flag, "mipi csi compression predictor algorithm");
+ 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
* be to replace this to something stored inside atomisp allocated
* structures.
*/
- bool atomisp_hw_is_isp2401;
-
- /* Types of atomisp hardware */
- #define HW_IS_ISP2400 0
- #define HW_IS_ISP2401 1
struct device *atomisp_dev;
.dfs_table_size = ARRAY_SIZE(dfs_rules_byt),
};
- static const struct atomisp_freq_scaling_rule dfs_rules_byt_cr[] = {
- {
- .width = ISP_FREQ_RULE_ANY,
- .height = ISP_FREQ_RULE_ANY,
- .fps = ISP_FREQ_RULE_ANY,
- .isp_freq = ISP_FREQ_320MHZ,
- .run_mode = ATOMISP_RUN_MODE_VIDEO,
- },
- {
- .width = ISP_FREQ_RULE_ANY,
- .height = ISP_FREQ_RULE_ANY,
- .fps = ISP_FREQ_RULE_ANY,
- .isp_freq = ISP_FREQ_320MHZ,
- .run_mode = ATOMISP_RUN_MODE_STILL_CAPTURE,
- },
- {
- .width = ISP_FREQ_RULE_ANY,
- .height = ISP_FREQ_RULE_ANY,
- .fps = ISP_FREQ_RULE_ANY,
- .isp_freq = ISP_FREQ_320MHZ,
- .run_mode = ATOMISP_RUN_MODE_CONTINUOUS_CAPTURE,
- },
- {
- .width = ISP_FREQ_RULE_ANY,
- .height = ISP_FREQ_RULE_ANY,
- .fps = ISP_FREQ_RULE_ANY,
- .isp_freq = ISP_FREQ_320MHZ,
- .run_mode = ATOMISP_RUN_MODE_PREVIEW,
- },
- {
- .width = ISP_FREQ_RULE_ANY,
- .height = ISP_FREQ_RULE_ANY,
- .fps = ISP_FREQ_RULE_ANY,
- .isp_freq = ISP_FREQ_320MHZ,
- .run_mode = ATOMISP_RUN_MODE_SDV,
- },
- };
-
- static const struct atomisp_dfs_config dfs_config_byt_cr = {
- .lowest_freq = ISP_FREQ_200MHZ,
- .max_freq_at_vmin = ISP_FREQ_320MHZ,
- .highest_freq = ISP_FREQ_320MHZ,
- .dfs_table = dfs_rules_byt_cr,
- .dfs_table_size = ARRAY_SIZE(dfs_rules_byt_cr),
- };
-
static const struct atomisp_freq_scaling_rule dfs_rules_cht[] = {
{
.width = ISP_FREQ_RULE_ANY,
* which has bugs(like sighting:4567697 and 4567699) and
* will be removed in B0
*/
- atomisp_store_uint32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1);
+ atomisp_css2_hw_store_32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1);
return 0;
}
if (!(irq & (1 << INTR_IIR)))
goto done;
- atomisp_store_uint32(MRFLD_INTR_CLEAR_REG, 0xFFFFFFFF);
+ atomisp_css2_hw_store_32(MRFLD_INTR_CLEAR_REG, 0xFFFFFFFF);
atomisp_load_uint32(MRFLD_INTR_STATUS_REG, &irq);
if (irq != 0) {
dev_err(isp->dev,
pci_read_config_dword(dev, PCI_INTERRUPT_CTRL, &irq);
if (!(irq & (1 << INTR_IIR))) {
- atomisp_store_uint32(MRFLD_INTR_ENABLE_REG, 0x0);
+ atomisp_css2_hw_store_32(MRFLD_INTR_ENABLE_REG, 0x0);
goto done;
}
dev_err(isp->dev,
/* Workaround for pmu_nc_set_power_state not ready in MRFLD */
int atomisp_mrfld_power_down(struct atomisp_device *isp)
{
- return 0;
-// FIXME: at least with ISP2401, the code below causes the driver to break
-// return atomisp_mrfld_power(isp, false);
+// FIXME: at least with ISP2401, enabling this code causes the driver to break
+ return 0 && atomisp_mrfld_power(isp, false);
}
/* Workaround for pmu_nc_set_power_state not ready in MRFLD */
int atomisp_mrfld_power_up(struct atomisp_device *isp)
{
- return 0;
-// FIXME: at least with ISP2401, the code below causes the driver to break
-// return atomisp_mrfld_power(isp, true);
+// FIXME: at least with ISP2401, enabling this code causes the driver to break
+ return 0 && atomisp_mrfld_power(isp, true);
}
int atomisp_runtime_suspend(struct device *dev)
/* FIXME: should return -EPROBE_DEFER if not all subdevs were probed */
for (count = 0; count < SUBDEV_WAIT_TIMEOUT_MAX_COUNT; count++) {
int camera_count = 0;
+
for (subdevs = pdata->subdevs; subdevs->type; ++subdevs) {
if (subdevs->type == RAW_CAMERA ||
subdevs->type == SOC_CAMERA)
- camera_count ++;
+ camera_count++;
}
if (camera_count)
break;
msleep(SUBDEV_WAIT_TIMEOUT);
- count++;
}
/* Wait more time to give more time for subdev init code to finish */
msleep(5 * SUBDEV_WAIT_TIMEOUT);
switch (subdevs->type) {
case RAW_CAMERA:
- raw_index = isp->input_cnt;
dev_dbg(isp->dev, "raw_index: %d\n", raw_index);
- /* pass-though */
+ raw_index = isp->input_cnt;
+ /* fall through */
case SOC_CAMERA:
dev_dbg(isp->dev, "SOC_INDEX: %d\n", isp->input_cnt);
if (isp->input_cnt >= ATOM_ISP_MAX_INPUTS) {
isp->media_dev.dev = isp->dev;
- strlcpy(isp->media_dev.model, "Intel Atom ISP",
+ strscpy(isp->media_dev.model, "Intel Atom ISP",
sizeof(isp->media_dev.model));
media_device_init(&isp->media_dev);
if (skip_fwload)
return NULL;
- if ((isp->media_dev.hw_revision >> ATOMISP_HW_REVISION_SHIFT)
- == ATOMISP_HW_REVISION_ISP2401)
- fw_path = "shisp_2401a0_v21.bin";
-
- if (isp->media_dev.hw_revision ==
- ((ATOMISP_HW_REVISION_ISP2401_LEGACY << ATOMISP_HW_REVISION_SHIFT)
- | ATOMISP_HW_STEPPING_A0))
- fw_path = "shisp_2401a0_legacy_v21.bin";
-
- if (isp->media_dev.hw_revision ==
- ((ATOMISP_HW_REVISION_ISP2400 << ATOMISP_HW_REVISION_SHIFT)
- | ATOMISP_HW_STEPPING_B0))
- fw_path = "shisp_2400b0_v21.bin";
+ if (firmware_name[0] != '\0') {
+ fw_path = firmware_name;
+ } else {
+ if ((isp->media_dev.hw_revision >> ATOMISP_HW_REVISION_SHIFT)
+ == ATOMISP_HW_REVISION_ISP2401)
+ fw_path = "shisp_2401a0_v21.bin";
+
+ if (isp->media_dev.hw_revision ==
+ ((ATOMISP_HW_REVISION_ISP2401_LEGACY << ATOMISP_HW_REVISION_SHIFT)
+ | ATOMISP_HW_STEPPING_A0))
+ fw_path = "shisp_2401a0_legacy_v21.bin";
+
+ if (isp->media_dev.hw_revision ==
+ ((ATOMISP_HW_REVISION_ISP2400 << ATOMISP_HW_REVISION_SHIFT)
+ | ATOMISP_HW_STEPPING_B0))
+ fw_path = "shisp_2400b0_v21.bin";
+ }
if (!fw_path) {
dev_err(isp->dev, "Unsupported hw_revision 0x%x\n",
switch (id->device & ATOMISP_PCI_DEVICE_SOC_MASK) {
case ATOMISP_PCI_DEVICE_SOC_MRFLD:
a0_max_id = ATOMISP_PCI_REV_MRFLD_A0_MAX;
- atomisp_hw_is_isp2401 = false;
name = "Merrifield";
break;
case ATOMISP_PCI_DEVICE_SOC_BYT:
a0_max_id = ATOMISP_PCI_REV_BYT_A0_MAX;
- atomisp_hw_is_isp2401 = false;
name = "Baytrail";
break;
case ATOMISP_PCI_DEVICE_SOC_ANN:
name = "Anniedale";
- atomisp_hw_is_isp2401 = true;
break;
case ATOMISP_PCI_DEVICE_SOC_CHT:
name = "Cherrytrail";
- atomisp_hw_is_isp2401 = true;
break;
default:
dev_err(&dev->dev, "%s: unknown device ID %x04:%x04\n",
*/
#if defined(ISP2400)
- if (atomisp_hw_is_isp2401) {
+ if (IS_ISP2401) {
dev_err(&dev->dev, "Support for %s (ISP2401) was disabled at compile time\n",
name);
return false;
}
#else
- if (!atomisp_hw_is_isp2401) {
+ if (!IS_ISP2401) {
dev_err(&dev->dev, "Support for %s (ISP2400) was disabled at compile time\n",
name);
return false;
dev_info(&dev->dev, "Detected %s version %d (ISP240%c) on %s\n",
name, dev->revision,
- atomisp_hw_is_isp2401 ? '1' : '0',
+ IS_ISP2401 ? '1' : '0',
product);
return true;
for (i = 0; i < isp->num_of_streams; i++) {
struct atomisp_sub_device *asd = &isp->asd[i];
- if (!atomisp_hw_is_isp2401)
+
+ if (!IS_ISP2401)
timer_setup(&asd->wdt, atomisp_wdt, 0);
else {
timer_setup(&asd->video_out_capture.wdt,
(ATOMISP_HW_REVISION_ISP2400
<< ATOMISP_HW_REVISION_SHIFT) |
ATOMISP_HW_STEPPING_B0;
- #ifdef FIXME
- if (INTEL_MID_BOARD(3, TABLET, BYT, BLK, PRO, CRV2) ||
- INTEL_MID_BOARD(3, TABLET, BYT, BLK, ENG, CRV2)) {
- isp->dfs = &dfs_config_byt_cr;
- isp->hpll_freq = HPLL_FREQ_2000MHZ;
- } else
- #endif
- {
- isp->dfs = &dfs_config_byt;
- isp->hpll_freq = HPLL_FREQ_1600MHZ;
- }
- /* HPLL frequency is known to be device-specific, but we don't
+
+ /*
+ * Note: some Intel-based tablets with Android use a different
+ * DFS table. Based on the comments at the Yocto Aero meta
+ * version of this driver (at the ssid.h header), they're
+ * identified via a "spid" var:
+ *
+ * androidboot.spid=vend:cust:manu:plat:prod:hard
+ *
+ * As we don't have this upstream, nor we know enough details
+ * to use a DMI or PCI match table, the old code was just
+ * removed, but let's keep a note here as a reminder that,
+ * for certain devices, we may need to limit the max DFS
+ * frequency to be below certain values, adjusting the
+ * resolution accordingly.
+ */
+ isp->dfs = &dfs_config_byt;
+
+ /*
+ * HPLL frequency is known to be device-specific, but we don't
* have specs yet for exactly how it varies. Default to
- * BYT-CR but let provisioning set it via EFI variable */
+ * BYT-CR but let provisioning set it via EFI variable
+ */
isp->hpll_freq = gmin_get_var_int(&dev->dev, false, "HpllFreq",
HPLL_FREQ_2000MHZ);
default:
isp->hpll_freq = HPLL_FREQ_1600MHZ;
dev_warn(isp->dev,
- "read HPLL from cck failed.default 1600MHz.\n");
+ "read HPLL from cck failed. Default to 1600 MHz.\n");
}
break;
default:
goto load_fw_fail;
}
- err = atomisp_css_check_firmware_version(isp);
+ err = sh_css_check_firmware_version(isp->dev,
+ isp->firmware->data);
if (err) {
dev_dbg(&dev->dev, "Firmware version check failed\n");
goto fw_validation_fail;
* bugs(like sighting:4567697 and 4567699) and will be removed
* in B0
*/
- atomisp_store_uint32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1);
+ atomisp_css2_hw_store_32(MRFLD_CSI_RECEIVER_SELECTION_REG, 1);
if ((id->device & ATOMISP_PCI_DEVICE_SOC_MASK) ==
ATOMISP_PCI_DEVICE_SOC_MRFLD) {
atomisp_acc_cleanup(isp);
- atomisp_css_unload_firmware(isp);
+ ia_css_unload_firmware();
hmm_cleanup();
pm_runtime_forbid(&dev->dev);
+ // SPDX-License-Identifier: GPL-2.0
/*
* Support for Medifield PNW Camera Imaging ISP subsystem.
*
break;
}
+ /* fall through */
+
/*
* if dynamic memory pool doesn't exist, need to free
* pages to system directly.
kfree(bo->page_obj);
}
- /*
- * Hacked from kernel function __get_user_pages in mm/memory.c
- *
- * Handle buffers allocated by other kernel space driver and mmaped into user
- * space, function Ignore the VM_PFNMAP and VM_IO flag in VMA structure
- *
- * Get physical pages from user space virtual address and update into page list
- */
- static int __get_pfnmap_pages(struct task_struct *tsk, struct mm_struct *mm,
- unsigned long start, int nr_pages,
- unsigned int gup_flags, struct page **pages,
- struct vm_area_struct **vmas)
- {
- int i, ret;
- unsigned long vm_flags;
-
- if (nr_pages <= 0)
- return 0;
-
- VM_BUG_ON(!!pages != !!(gup_flags & FOLL_GET));
-
- /*
- * Require read or write permissions.
- * If FOLL_FORCE is set, we only require the "MAY" flags.
- */
- vm_flags = (gup_flags & FOLL_WRITE) ?
- (VM_WRITE | VM_MAYWRITE) : (VM_READ | VM_MAYREAD);
- vm_flags &= (gup_flags & FOLL_FORCE) ?
- (VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE);
- i = 0;
-
- do {
- struct vm_area_struct *vma;
-
- vma = find_vma(mm, start);
- if (!vma) {
- dev_err(atomisp_dev, "find_vma failed\n");
- return i ? : -EFAULT;
- }
-
- if (is_vm_hugetlb_page(vma)) {
- /*
- i = follow_hugetlb_page(mm, vma, pages, vmas,
- &start, &nr_pages, i, gup_flags);
- */
- continue;
- }
-
- do {
- struct page *page;
- unsigned long pfn;
-
- /*
- * If we have a pending SIGKILL, don't keep faulting
- * pages and potentially allocating memory.
- */
- if (unlikely(fatal_signal_pending(current))) {
- dev_err(atomisp_dev,
- "fatal_signal_pending in %s\n",
- __func__);
- return i ? i : -ERESTARTSYS;
- }
-
- ret = follow_pfn(vma, start, &pfn);
- if (ret) {
- dev_err(atomisp_dev, "follow_pfn() failed\n");
- return i ? : -EFAULT;
- }
-
- page = pfn_to_page(pfn);
- if (IS_ERR(page))
- return i ? i : PTR_ERR(page);
- if (pages) {
- pages[i] = page;
- get_page(page);
- flush_anon_page(vma, page, start);
- flush_dcache_page(page);
- }
- if (vmas)
- vmas[i] = vma;
- i++;
- start += PAGE_SIZE;
- nr_pages--;
- } while (nr_pages && start < vma->vm_end);
- } while (nr_pages);
-
- return i;
- }
-
- static int get_pfnmap_pages(struct task_struct *tsk, struct mm_struct *mm,
- unsigned long start, int nr_pages, int write, int force,
- struct page **pages, struct vm_area_struct **vmas)
+ static void free_user_pages(struct hmm_buffer_object *bo)
{
- int flags = FOLL_TOUCH;
+ int i;
- if (pages)
- flags |= FOLL_GET;
- if (write)
- flags |= FOLL_WRITE;
- if (force)
- flags |= FOLL_FORCE;
+ hmm_mem_stat.usr_size -= bo->pgnr;
- return __get_pfnmap_pages(tsk, mm, start, nr_pages, flags, pages, vmas);
+ if (bo->mem_type == HMM_BO_MEM_TYPE_PFN) {
+ unpin_user_pages(bo->pages, bo->pgnr);
+ } else {
+ for (i = 0; i < bo->pgnr; i++)
+ put_page(bo->pages[i]);
+ }
+ kfree(bo->pages);
+ kfree(bo->page_obj);
}
/*
}
mutex_unlock(&bo->mutex);
- down_read(¤t->mm->mmap_sem);
+ mmap_read_lock(current->mm);
vma = find_vma(current->mm, (unsigned long)userptr);
- up_read(¤t->mm->mmap_sem);
+ mmap_read_unlock(current->mm);
if (!vma) {
dev_err(atomisp_dev, "find_vma failed\n");
kfree(bo->page_obj);
* Handle frame buffer allocated in other kerenl space driver
* and map to user space
*/
+
+ userptr = untagged_addr(userptr);
+
+ bo->pages = pages;
+
if (vma->vm_flags & (VM_IO | VM_PFNMAP)) {
- page_nr = get_pfnmap_pages(current, current->mm,
- (unsigned long)userptr,
- (int)(bo->pgnr), 1, 0,
- pages, NULL);
+ page_nr = pin_user_pages((unsigned long)userptr, bo->pgnr,
+ FOLL_LONGTERM | FOLL_WRITE,
+ pages, NULL);
bo->mem_type = HMM_BO_MEM_TYPE_PFN;
} else {
/*Handle frame buffer allocated in user space*/
bo->mem_type = HMM_BO_MEM_TYPE_USER;
}
+ dev_dbg(atomisp_dev, "%s: %d %s pages were allocated as 0x%08x\n",
+ __func__,
+ bo->pgnr,
+ bo->mem_type == HMM_BO_MEM_TYPE_USER ? "user" : "pfn", page_nr);
+
+ hmm_mem_stat.usr_size += bo->pgnr;
+
/* can be written by caller, not forced */
if (page_nr != bo->pgnr) {
dev_err(atomisp_dev,
bo->page_obj[i].page = pages[i];
bo->page_obj[i].type = HMM_PAGE_TYPE_GENERAL;
}
- hmm_mem_stat.usr_size += bo->pgnr;
- kfree(pages);
return 0;
out_of_mem:
- for (i = 0; i < page_nr; i++)
- put_page(pages[i]);
- kfree(pages);
- kfree(bo->page_obj);
-
- return -ENOMEM;
- }
- static void free_user_pages(struct hmm_buffer_object *bo)
- {
- int i;
+ free_user_pages(bo);
- for (i = 0; i < bo->pgnr; i++)
- put_page(bo->page_obj[i].page);
- hmm_mem_stat.usr_size -= bo->pgnr;
-
- kfree(bo->page_obj);
+ return -ENOMEM;
}
/*
projects / platform / kernel / linux-rpi.git / commitdiff