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The CAMSS architecure which this driver is name after, and with the introduction of this series, the Titan architecture. The ISPIF is an IP-block that is only present in the CAMSS generation of the architecture. In order to support the Titan generation, make the ISPIF an optional subdevice. Signed-off-by: Robert Foss Reviewed-by: Andrey Konovalov --- Changes since v1: - Björn: Improved commit message - Björn: Use local 'dev' ptr instead of 'camss->dev' - Björn: Remove res/ispif NULL checks - Björn: Remove ispif NULL checks before calling msm_ispif_unregister_entities() - Andrey: Fixed incorrect allocation size Changes since v4: - Andrey: Remove !camss->ispif conditional from camss.c - Andrey: Fix !camss->ispif in camss-ispif.c - Move !camss->ispif check to msm_ispif_subdev_init() Changes since v5: - Andrey: Added r-b .../media/platform/qcom/camss/camss-ispif.c | 119 +++++++++++------- .../media/platform/qcom/camss/camss-ispif.h | 3 +- drivers/media/platform/qcom/camss/camss.c | 99 ++++++++++----- drivers/media/platform/qcom/camss/camss.h | 2 +- 4 files changed, 139 insertions(+), 84 deletions(-) -- 2.27.0 diff --git a/drivers/media/platform/qcom/camss/camss-ispif.c b/drivers/media/platform/qcom/camss/camss-ispif.c index adeb92808998..fc121da4ab0c 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.c +++ b/drivers/media/platform/qcom/camss/camss-ispif.c @@ -161,6 +161,7 @@ static const u32 ispif_formats_8x96[] = { static irqreturn_t ispif_isr_8x96(int irq, void *dev) { struct ispif_device *ispif = dev; + struct camss *camss = ispif->camss; u32 value0, value1, value2, value3, value4, value5; value0 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(0)); @@ -186,34 +187,34 @@ static irqreturn_t ispif_isr_8x96(int irq, void *dev) complete(&ispif->reset_complete[1]); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix0 overflow\n"); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi0 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix1 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi1 overflow\n"); if (unlikely(value2 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi2 overflow\n"); if (unlikely(value3 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 pix0 overflow\n"); if (unlikely(value3 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi0 overflow\n"); if (unlikely(value4 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 pix1 overflow\n"); if (unlikely(value4 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi1 overflow\n"); if (unlikely(value5 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE1 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE1 rdi2 overflow\n"); return IRQ_HANDLED; } @@ -228,6 +229,7 @@ static irqreturn_t ispif_isr_8x96(int irq, void *dev) static irqreturn_t ispif_isr_8x16(int irq, void *dev) { struct ispif_device *ispif = dev; + struct camss *camss = ispif->camss; u32 value0, value1, value2; value0 = readl_relaxed(ispif->base + ISPIF_VFE_m_IRQ_STATUS_0(0)); @@ -244,30 +246,32 @@ static irqreturn_t ispif_isr_8x16(int irq, void *dev) complete(&ispif->reset_complete[0]); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_PIX0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix0 overflow\n"); if (unlikely(value0 & ISPIF_VFE_m_IRQ_STATUS_0_RDI0_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi0 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi0 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_PIX1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 pix1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 pix1 overflow\n"); if (unlikely(value1 & ISPIF_VFE_m_IRQ_STATUS_1_RDI1_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi1 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi1 overflow\n"); if (unlikely(value2 & ISPIF_VFE_m_IRQ_STATUS_2_RDI2_OVERFLOW)) - dev_err_ratelimited(to_device(ispif), "VFE0 rdi2 overflow\n"); + dev_err_ratelimited(camss->dev, "VFE0 rdi2 overflow\n"); return IRQ_HANDLED; } static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) { + struct camss *camss = ispif->camss; + unsigned long time; u32 val; - if (vfe_id > (to_camss(ispif)->vfe_num - 1)) { - dev_err(to_device(ispif), + if (vfe_id > (camss->vfe_num - 1)) { + dev_err(camss->dev, "Error: asked reset for invalid VFE%d\n", vfe_id); return -ENOENT; } @@ -300,7 +304,7 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) time = wait_for_completion_timeout(&ispif->reset_complete[vfe_id], msecs_to_jiffies(ISPIF_RESET_TIMEOUT_MS)); if (!time) { - dev_err(to_device(ispif), + dev_err(camss->dev, "ISPIF for VFE%d reset timeout\n", vfe_id); return -EIO; } @@ -316,30 +320,31 @@ static int ispif_vfe_reset(struct ispif_device *ispif, u8 vfe_id) */ static int ispif_reset(struct ispif_device *ispif, u8 vfe_id) { + struct camss *camss = ispif->camss; int ret; - ret = camss_pm_domain_on(to_camss(ispif), PM_DOMAIN_VFE0); + ret = camss_pm_domain_on(camss, PM_DOMAIN_VFE0); if (ret < 0) return ret; - ret = camss_pm_domain_on(to_camss(ispif), PM_DOMAIN_VFE1); + ret = camss_pm_domain_on(camss, PM_DOMAIN_VFE1); if (ret < 0) return ret; ret = camss_enable_clocks(ispif->nclocks_for_reset, ispif->clock_for_reset, - to_device(ispif)); + camss->dev); if (ret < 0) return ret; ret = ispif_vfe_reset(ispif, vfe_id); if (ret) - dev_dbg(to_device(ispif), "ISPIF Reset failed\n"); + dev_dbg(camss->dev, "ISPIF Reset failed\n"); camss_disable_clocks(ispif->nclocks_for_reset, ispif->clock_for_reset); - camss_pm_domain_off(to_camss(ispif), PM_DOMAIN_VFE0); - camss_pm_domain_off(to_camss(ispif), PM_DOMAIN_VFE1); + camss_pm_domain_off(camss, PM_DOMAIN_VFE0); + camss_pm_domain_off(camss, PM_DOMAIN_VFE1); return ret; } @@ -355,7 +360,7 @@ static int ispif_set_power(struct v4l2_subdev *sd, int on) { struct ispif_line *line = v4l2_get_subdevdata(sd); struct ispif_device *ispif = line->ispif; - struct device *dev = to_device(ispif); + struct device *dev = ispif->camss->dev; int ret = 0; mutex_lock(&ispif->power_lock); @@ -505,7 +510,7 @@ static int ispif_validate_intf_status(struct ispif_device *ispif, } if ((val & 0xf) != 0xf) { - dev_err(to_device(ispif), "%s: ispif is busy: 0x%x\n", + dev_err(ispif->camss->dev, "%s: ispif is busy: 0x%x\n", __func__, val); ret = -EBUSY; } @@ -552,7 +557,7 @@ static int ispif_wait_for_stop(struct ispif_device *ispif, ISPIF_TIMEOUT_SLEEP_US, ISPIF_TIMEOUT_ALL_US); if (ret < 0) - dev_err(to_device(ispif), "%s: ispif stop timeout\n", + dev_err(ispif->camss->dev, "%s: ispif stop timeout\n", __func__); return ret; @@ -800,6 +805,7 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) { struct ispif_line *line = v4l2_get_subdevdata(sd); struct ispif_device *ispif = line->ispif; + struct camss *camss = ispif->camss; enum ispif_intf intf = line->interface; u8 csid = line->csid_id; u8 vfe = line->vfe_id; @@ -825,8 +831,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) ispif_select_csid(ispif, intf, csid, vfe, 1); ispif_select_cid(ispif, intf, cid, vfe, 1); ispif_config_irq(ispif, intf, vfe, 1); - if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif_config_pack(ispif, line->fmt[MSM_ISPIF_PAD_SINK].code, intf, cid, vfe, 1); @@ -843,8 +849,8 @@ static int ispif_set_stream(struct v4l2_subdev *sd, int enable) return ret; mutex_lock(&ispif->config_lock); - if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif_config_pack(ispif, line->fmt[MSM_ISPIF_PAD_SINK].code, intf, cid, vfe, 0); @@ -1088,26 +1094,32 @@ static int ispif_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh) * * Return 0 on success or a negative error code otherwise */ -int msm_ispif_subdev_init(struct ispif_device *ispif, +int msm_ispif_subdev_init(struct camss *camss, const struct resources_ispif *res) { - struct device *dev = to_device(ispif); + struct device *dev = camss->dev; + struct ispif_device *ispif = camss->ispif; struct platform_device *pdev = to_platform_device(dev); struct resource *r; int i; int ret; + if (!camss->ispif) + return 0; + + ispif->camss = camss; + /* Number of ISPIF lines - same as number of CSID hardware modules */ - if (to_camss(ispif)->version == CAMSS_8x16) + if (camss->version == CAMSS_8x16) ispif->line_num = 2; - else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ispif->line_num = 4; else return -EINVAL; - ispif->line = devm_kcalloc(dev, ispif->line_num, sizeof(*ispif->line), - GFP_KERNEL); + ispif->line = devm_kcalloc(dev, ispif->line_num, + sizeof(*ispif->line), GFP_KERNEL); if (!ispif->line) return -ENOMEM; @@ -1115,12 +1127,12 @@ int msm_ispif_subdev_init(struct ispif_device *ispif, ispif->line[i].ispif = ispif; ispif->line[i].id = i; - if (to_camss(ispif)->version == CAMSS_8x16) { + if (camss->version == CAMSS_8x16) { ispif->line[i].formats = ispif_formats_8x16; ispif->line[i].nformats = ARRAY_SIZE(ispif_formats_8x16); - } else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) { + } else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) { ispif->line[i].formats = ispif_formats_8x96; ispif->line[i].nformats = ARRAY_SIZE(ispif_formats_8x96); @@ -1157,15 +1169,16 @@ int msm_ispif_subdev_init(struct ispif_device *ispif, ispif->irq = r->start; snprintf(ispif->irq_name, sizeof(ispif->irq_name), "%s_%s", dev_name(dev), MSM_ISPIF_NAME); - if (to_camss(ispif)->version == CAMSS_8x16) + if (camss->version == CAMSS_8x16) ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x16, IRQF_TRIGGER_RISING, ispif->irq_name, ispif); - else if (to_camss(ispif)->version == CAMSS_8x96 || - to_camss(ispif)->version == CAMSS_660) + else if (camss->version == CAMSS_8x96 || + camss->version == CAMSS_660) ret = devm_request_irq(dev, ispif->irq, ispif_isr_8x96, IRQF_TRIGGER_RISING, ispif->irq_name, ispif); else ret = -EINVAL; + if (ret < 0) { dev_err(dev, "request_irq failed: %d\n", ret); return ret; @@ -1331,10 +1344,15 @@ static const struct media_entity_operations ispif_media_ops = { int msm_ispif_register_entities(struct ispif_device *ispif, struct v4l2_device *v4l2_dev) { - struct device *dev = to_device(ispif); + struct camss *camss; int ret; int i; + if (!ispif) + return 0; + + camss = ispif->camss; + for (i = 0; i < ispif->line_num; i++) { struct v4l2_subdev *sd = &ispif->line[i].subdev; struct media_pad *pads = ispif->line[i].pads; @@ -1348,7 +1366,7 @@ int msm_ispif_register_entities(struct ispif_device *ispif, ret = ispif_init_formats(sd, NULL); if (ret < 0) { - dev_err(dev, "Failed to init format: %d\n", ret); + dev_err(camss->dev, "Failed to init format: %d\n", ret); goto error; } @@ -1360,13 +1378,15 @@ int msm_ispif_register_entities(struct ispif_device *ispif, ret = media_entity_pads_init(&sd->entity, MSM_ISPIF_PADS_NUM, pads); if (ret < 0) { - dev_err(dev, "Failed to init media entity: %d\n", ret); + dev_err(camss->dev, "Failed to init media entity: %d\n", + ret); goto error; } ret = v4l2_device_register_subdev(v4l2_dev, sd); if (ret < 0) { - dev_err(dev, "Failed to register subdev: %d\n", ret); + dev_err(camss->dev, "Failed to register subdev: %d\n", + ret); media_entity_cleanup(&sd->entity); goto error; } @@ -1393,6 +1413,9 @@ void msm_ispif_unregister_entities(struct ispif_device *ispif) { int i; + if (!ispif) + return; + mutex_destroy(&ispif->power_lock); mutex_destroy(&ispif->config_lock); diff --git a/drivers/media/platform/qcom/camss/camss-ispif.h b/drivers/media/platform/qcom/camss/camss-ispif.h index 4132174f7ea1..fdf28e68cc7d 100644 --- a/drivers/media/platform/qcom/camss/camss-ispif.h +++ b/drivers/media/platform/qcom/camss/camss-ispif.h @@ -63,11 +63,12 @@ struct ispif_device { struct mutex config_lock; unsigned int line_num; struct ispif_line *line; + struct camss *camss; }; struct resources_ispif; -int msm_ispif_subdev_init(struct ispif_device *ispif, +int msm_ispif_subdev_init(struct camss *camss, const struct resources_ispif *res); int msm_ispif_register_entities(struct ispif_device *ispif, diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index d82bbc2213a6..c8d1735e9d80 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -768,10 +768,10 @@ static int camss_init_subdevices(struct camss *camss) } } - ret = msm_ispif_subdev_init(&camss->ispif, ispif_res); + ret = msm_ispif_subdev_init(camss, ispif_res); if (ret < 0) { dev_err(camss->dev, "Failed to init ispif sub-device: %d\n", - ret); + ret); return ret; } @@ -821,10 +821,11 @@ static int camss_register_entities(struct camss *camss) } } - ret = msm_ispif_register_entities(&camss->ispif, &camss->v4l2_dev); + ret = msm_ispif_register_entities(camss->ispif, + &camss->v4l2_dev); if (ret < 0) { dev_err(camss->dev, "Failed to register ispif entities: %d\n", - ret); + ret); goto err_reg_ispif; } @@ -858,43 +859,64 @@ static int camss_register_entities(struct camss *camss) } } - for (i = 0; i < camss->csid_num; i++) { - for (j = 0; j < camss->ispif.line_num; j++) { - ret = media_create_pad_link( - &camss->csid[i].subdev.entity, - MSM_CSID_PAD_SRC, - &camss->ispif.line[j].subdev.entity, - MSM_ISPIF_PAD_SINK, - 0); - if (ret < 0) { - dev_err(camss->dev, - "Failed to link %s->%s entities: %d\n", - camss->csid[i].subdev.entity.name, - camss->ispif.line[j].subdev.entity.name, - ret); - goto err_link; - } - } - } - - for (i = 0; i < camss->ispif.line_num; i++) - for (k = 0; k < camss->vfe_num; k++) - for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + if (camss->ispif) { + for (i = 0; i < camss->csid_num; i++) { + for (j = 0; j < camss->ispif->line_num; j++) { ret = media_create_pad_link( - &camss->ispif.line[i].subdev.entity, - MSM_ISPIF_PAD_SRC, - &camss->vfe[k].line[j].subdev.entity, - MSM_VFE_PAD_SINK, + &camss->csid[i].subdev.entity, + MSM_CSID_PAD_SRC, + &camss->ispif->line[j].subdev.entity, + MSM_ISPIF_PAD_SINK, 0); if (ret < 0) { dev_err(camss->dev, "Failed to link %s->%s entities: %d\n", - camss->ispif.line[i].subdev.entity.name, - camss->vfe[k].line[j].subdev.entity.name, + camss->csid[i].subdev.entity.name, + camss->ispif->line[j].subdev.entity.name, ret); goto err_link; } } + } + + for (i = 0; i < camss->ispif->line_num; i++) + for (k = 0; k < camss->vfe_num; k++) + for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + ret = media_create_pad_link( + &camss->ispif->line[i].subdev.entity, + MSM_ISPIF_PAD_SRC, + &camss->vfe[k].line[j].subdev.entity, + MSM_VFE_PAD_SINK, + 0); + if (ret < 0) { + dev_err(camss->dev, + "Failed to link %s->%s entities: %d\n", + camss->ispif->line[i].subdev.entity.name, + camss->vfe[k].line[j].subdev.entity.name, + ret); + goto err_link; + } + } + } else { + for (i = 0; i < camss->csid_num; i++) + for (k = 0; k < camss->vfe_num; k++) + for (j = 0; j < ARRAY_SIZE(camss->vfe[k].line); j++) { + ret = media_create_pad_link( + &camss->csid[i].subdev.entity, + MSM_CSID_PAD_SRC, + &camss->vfe[k].line[j].subdev.entity, + MSM_VFE_PAD_SINK, + 0); + if (ret < 0) { + dev_err(camss->dev, + "Failed to link %s->%s entities: %d\n", + camss->csid[i].subdev.entity.name, + camss->vfe[k].line[j].subdev.entity.name, + ret); + goto err_link; + } + } + } return 0; @@ -904,8 +926,8 @@ static int camss_register_entities(struct camss *camss) for (i--; i >= 0; i--) msm_vfe_unregister_entities(&camss->vfe[i]); - msm_ispif_unregister_entities(&camss->ispif); err_reg_ispif: + msm_ispif_unregister_entities(camss->ispif); i = camss->csid_num; err_reg_csid: @@ -936,7 +958,7 @@ static void camss_unregister_entities(struct camss *camss) for (i = 0; i < camss->csid_num; i++) msm_csid_unregister_entity(&camss->csid[i]); - msm_ispif_unregister_entities(&camss->ispif); + msm_ispif_unregister_entities(camss->ispif); for (i = 0; i < camss->vfe_num; i++) msm_vfe_unregister_entities(&camss->vfe[i]); @@ -1067,6 +1089,15 @@ static int camss_probe(struct platform_device *pdev) goto err_free; } + if (camss->version == CAMSS_8x16 || + camss->version == CAMSS_8x96) { + camss->ispif = devm_kcalloc(dev, 1, sizeof(*camss->ispif), GFP_KERNEL); + if (!camss->ispif) { + ret = -ENOMEM; + goto err_free; + } + } + camss->vfe = devm_kcalloc(dev, camss->vfe_num, sizeof(*camss->vfe), GFP_KERNEL); if (!camss->vfe) { diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h index 63b35ea2ca36..0f8f77801001 100644 --- a/drivers/media/platform/qcom/camss/camss.h +++ b/drivers/media/platform/qcom/camss/camss.h @@ -79,7 +79,7 @@ struct camss { struct csiphy_device *csiphy; int csid_num; struct csid_device *csid; - struct ispif_device ispif; + struct ispif_device *ispif; int vfe_num; struct vfe_device *vfe; atomic_t ref_count;