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Subject: media: qcom: camss: Flag VFE-lites to support more VFEs Author: Matti Lehtimäki <matti.lehtim...@gmail.com> Date: Thu Nov 23 17:03:05 2023 +0000 Some platforms such as SC7280 have three VFEs and two VFE-lites. Current code has hard-coded two as the maximum number of VFEs. Remove the hard-coded maximum number of VFEs to handle all possible combinations of VFEs and VFE-lites. Signed-off-by: Matti Lehtimäki <matti.lehtim...@gmail.com> Reviewed-by: Konrad Dybcio <konrad.dyb...@linaro.org> Reported-by: kernel test robot <l...@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202311200405.h6g4l9oe-...@intel.com Signed-off-by: Bryan O'Donoghue <bryan.odonog...@linaro.org> Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl> drivers/media/platform/qcom/camss/camss-vfe-480.c | 33 +++++++++++------------ drivers/media/platform/qcom/camss/camss-vfe.c | 5 ++++ drivers/media/platform/qcom/camss/camss-vfe.h | 10 +++++++ drivers/media/platform/qcom/camss/camss.c | 26 +++++++++--------- drivers/media/platform/qcom/camss/camss.h | 3 +-- 5 files changed, 44 insertions(+), 33 deletions(-) --- diff --git a/drivers/media/platform/qcom/camss/camss-vfe-480.c b/drivers/media/platform/qcom/camss/camss-vfe-480.c index 4652e8b4cff5..dc2735476c82 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe-480.c +++ b/drivers/media/platform/qcom/camss/camss-vfe-480.c @@ -15,31 +15,28 @@ #include "camss.h" #include "camss-vfe.h" -/* VFE 2/3 are lite and have a different register layout */ -#define IS_LITE (vfe->id >= 2 ? 1 : 0) - #define VFE_HW_VERSION (0x00) -#define VFE_GLOBAL_RESET_CMD (IS_LITE ? 0x0c : 0x1c) -#define GLOBAL_RESET_HW_AND_REG (IS_LITE ? BIT(1) : BIT(0)) +#define VFE_GLOBAL_RESET_CMD (vfe_is_lite(vfe) ? 0x0c : 0x1c) +#define GLOBAL_RESET_HW_AND_REG (vfe_is_lite(vfe) ? BIT(1) : BIT(0)) -#define VFE_REG_UPDATE_CMD (IS_LITE ? 0x20 : 0x34) +#define VFE_REG_UPDATE_CMD (vfe_is_lite(vfe) ? 0x20 : 0x34) static inline int reg_update_rdi(struct vfe_device *vfe, int n) { - return IS_LITE ? BIT(n) : BIT(1 + (n)); + return vfe_is_lite(vfe) ? BIT(n) : BIT(1 + (n)); } #define REG_UPDATE_RDI reg_update_rdi -#define VFE_IRQ_CMD (IS_LITE ? 0x24 : 0x38) +#define VFE_IRQ_CMD (vfe_is_lite(vfe) ? 0x24 : 0x38) #define IRQ_CMD_GLOBAL_CLEAR BIT(0) -#define VFE_IRQ_MASK(n) ((IS_LITE ? 0x28 : 0x3c) + (n) * 4) -#define IRQ_MASK_0_RESET_ACK (IS_LITE ? BIT(17) : BIT(0)) -#define IRQ_MASK_0_BUS_TOP_IRQ (IS_LITE ? BIT(4) : BIT(7)) -#define VFE_IRQ_CLEAR(n) ((IS_LITE ? 0x34 : 0x48) + (n) * 4) -#define VFE_IRQ_STATUS(n) ((IS_LITE ? 0x40 : 0x54) + (n) * 4) +#define VFE_IRQ_MASK(n) ((vfe_is_lite(vfe) ? 0x28 : 0x3c) + (n) * 4) +#define IRQ_MASK_0_RESET_ACK (vfe_is_lite(vfe) ? BIT(17) : BIT(0)) +#define IRQ_MASK_0_BUS_TOP_IRQ (vfe_is_lite(vfe) ? BIT(4) : BIT(7)) +#define VFE_IRQ_CLEAR(n) ((vfe_is_lite(vfe) ? 0x34 : 0x48) + (n) * 4) +#define VFE_IRQ_STATUS(n) ((vfe_is_lite(vfe) ? 0x40 : 0x54) + (n) * 4) -#define BUS_REG_BASE (IS_LITE ? 0x1a00 : 0xaa00) +#define BUS_REG_BASE (vfe_is_lite(vfe) ? 0x1a00 : 0xaa00) #define VFE_BUS_WM_CGC_OVERRIDE (BUS_REG_BASE + 0x08) #define WM_CGC_OVERRIDE_ALL (0x3FFFFFF) @@ -49,13 +46,13 @@ static inline int reg_update_rdi(struct vfe_device *vfe, int n) #define VFE_BUS_IRQ_MASK(n) (BUS_REG_BASE + 0x18 + (n) * 4) static inline int bus_irq_mask_0_rdi_rup(struct vfe_device *vfe, int n) { - return IS_LITE ? BIT(n) : BIT(3 + (n)); + return vfe_is_lite(vfe) ? BIT(n) : BIT(3 + (n)); } #define BUS_IRQ_MASK_0_RDI_RUP bus_irq_mask_0_rdi_rup static inline int bus_irq_mask_0_comp_done(struct vfe_device *vfe, int n) { - return IS_LITE ? BIT(4 + (n)) : BIT(6 + (n)); + return vfe_is_lite(vfe) ? BIT(4 + (n)) : BIT(6 + (n)); } #define BUS_IRQ_MASK_0_COMP_DONE bus_irq_mask_0_comp_done @@ -90,8 +87,8 @@ static inline int bus_irq_mask_0_comp_done(struct vfe_device *vfe, int n) /* for titan 480, each bus client is hardcoded to a specific path * and each bus client is part of a hardcoded "comp group" */ -#define RDI_WM(n) ((IS_LITE ? 0 : 23) + (n)) -#define RDI_COMP_GROUP(n) ((IS_LITE ? 0 : 11) + (n)) +#define RDI_WM(n) ((vfe_is_lite(vfe) ? 0 : 23) + (n)) +#define RDI_COMP_GROUP(n) ((vfe_is_lite(vfe) ? 0 : 11) + (n)) #define MAX_VFE_OUTPUT_LINES 4 diff --git a/drivers/media/platform/qcom/camss/camss-vfe.c b/drivers/media/platform/qcom/camss/camss-vfe.c index b2f91c00acaf..2062be668f49 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.c +++ b/drivers/media/platform/qcom/camss/camss-vfe.c @@ -1737,3 +1737,8 @@ void msm_vfe_unregister_entities(struct vfe_device *vfe) media_entity_cleanup(&sd->entity); } } + +bool vfe_is_lite(struct vfe_device *vfe) +{ + return vfe->camss->res->vfe_res[vfe->id].is_lite; +} diff --git a/drivers/media/platform/qcom/camss/camss-vfe.h b/drivers/media/platform/qcom/camss/camss-vfe.h index cdbe59d8d437..0572c9b08e11 100644 --- a/drivers/media/platform/qcom/camss/camss-vfe.h +++ b/drivers/media/platform/qcom/camss/camss-vfe.h @@ -226,4 +226,14 @@ extern const struct vfe_hw_ops vfe_ops_480; int vfe_get(struct vfe_device *vfe); void vfe_put(struct vfe_device *vfe); +/* + * vfe_is_lite - Return if VFE is VFE lite. + * @vfe: VFE Device + * + * Some VFE lites have a different register layout. + * + * Return whether VFE is VFE lite + */ +bool vfe_is_lite(struct vfe_device *vfe); + #endif /* QC_MSM_CAMSS_VFE_H */ diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index 8de0e9e8d34b..cdb9254cd8b4 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -706,6 +706,7 @@ static const struct camss_subdev_resources vfe_res_845[] = { { 384000000 } }, .reg = { "vfe_lite" }, .interrupt = { "vfe_lite" }, + .is_lite = true, .line_num = 4, .ops = &vfe_ops_170 } @@ -886,6 +887,7 @@ static const struct camss_subdev_resources vfe_res_8250[] = { { 0 } }, .reg = { "vfe_lite0" }, .interrupt = { "vfe_lite0" }, + .is_lite = true, .line_num = 4, .ops = &vfe_ops_480 }, @@ -905,6 +907,7 @@ static const struct camss_subdev_resources vfe_res_8250[] = { { 0 } }, .reg = { "vfe_lite1" }, .interrupt = { "vfe_lite1" }, + .is_lite = true, .line_num = 4, .ops = &vfe_ops_480 }, @@ -1204,7 +1207,7 @@ static int camss_init_subdevices(struct camss *camss) } /* note: SM8250 requires VFE to be initialized before CSID */ - for (i = 0; i < camss->vfe_total_num; i++) { + for (i = 0; i < camss->res->vfe_num; i++) { ret = msm_vfe_subdev_init(camss, &camss->vfe[i], &res->vfe_res[i], i); if (ret < 0) { @@ -1276,7 +1279,7 @@ static int camss_register_entities(struct camss *camss) goto err_reg_ispif; } - for (i = 0; i < camss->vfe_total_num; i++) { + for (i = 0; i < camss->res->vfe_num; i++) { ret = msm_vfe_register_entities(&camss->vfe[i], &camss->v4l2_dev); if (ret < 0) { @@ -1348,7 +1351,7 @@ static int camss_register_entities(struct camss *camss) } } else { for (i = 0; i < camss->res->csid_num; i++) - for (k = 0; k < camss->vfe_total_num; k++) + for (k = 0; k < camss->res->vfe_num; k++) for (j = 0; j < camss->vfe[k].line_num; j++) { struct v4l2_subdev *csid = &camss->csid[i].subdev; struct v4l2_subdev *vfe = &camss->vfe[k].line[j].subdev; @@ -1372,7 +1375,7 @@ static int camss_register_entities(struct camss *camss) return 0; err_link: - i = camss->vfe_total_num; + i = camss->res->vfe_num; err_reg_vfe: for (i--; i >= 0; i--) msm_vfe_unregister_entities(&camss->vfe[i]); @@ -1411,7 +1414,7 @@ static void camss_unregister_entities(struct camss *camss) msm_ispif_unregister_entities(camss->ispif); - for (i = 0; i < camss->vfe_total_num; i++) + for (i = 0; i < camss->res->vfe_num; i++) msm_vfe_unregister_entities(&camss->vfe[i]); } @@ -1509,7 +1512,7 @@ static int camss_configure_pd(struct camss *camss) return 0; /* count the # of VFEs which have flagged power-domain */ - for (vfepd_num = i = 0; i < camss->vfe_total_num; i++) { + for (vfepd_num = i = 0; i < camss->res->vfe_num; i++) { if (res->vfe_res[i].has_pd) vfepd_num++; } @@ -1587,7 +1590,7 @@ static void camss_genpd_subdevice_cleanup(struct camss *camss) { int i; - for (i = 0; i < camss->vfe_total_num; i++) + for (i = 0; i < camss->res->vfe_num; i++) msm_vfe_genpd_cleanup(&camss->vfe[i]); } @@ -1644,8 +1647,7 @@ static int camss_probe(struct platform_device *pdev) return -ENOMEM; } - camss->vfe_total_num = camss->res->vfe_num + camss->res->vfe_lite_num; - camss->vfe = devm_kcalloc(dev, camss->vfe_total_num, + camss->vfe = devm_kcalloc(dev, camss->res->vfe_num, sizeof(*camss->vfe), GFP_KERNEL); if (!camss->vfe) return -ENOMEM; @@ -1803,8 +1805,7 @@ static const struct camss_resources sdm845_resources = { .vfe_res = vfe_res_845, .csiphy_num = ARRAY_SIZE(csiphy_res_845), .csid_num = ARRAY_SIZE(csid_res_845), - .vfe_num = 2, - .vfe_lite_num = 1, + .vfe_num = ARRAY_SIZE(vfe_res_845), }; static const struct camss_resources sm8250_resources = { @@ -1816,8 +1817,7 @@ static const struct camss_resources sm8250_resources = { .icc_path_num = ARRAY_SIZE(icc_res_sm8250), .csiphy_num = ARRAY_SIZE(csiphy_res_8250), .csid_num = ARRAY_SIZE(csid_res_8250), - .vfe_num = 2, - .vfe_lite_num = 2, + .vfe_num = ARRAY_SIZE(vfe_res_8250), }; static const struct of_device_id camss_dt_match[] = { diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h index cd8186fe1797..a0c2dcc779f0 100644 --- a/drivers/media/platform/qcom/camss/camss.h +++ b/drivers/media/platform/qcom/camss/camss.h @@ -51,6 +51,7 @@ struct camss_subdev_resources { char *pd_name; u8 line_num; bool has_pd; + bool is_lite; const void *ops; }; @@ -95,7 +96,6 @@ struct camss_resources { const unsigned int csiphy_num; const unsigned int csid_num; const unsigned int vfe_num; - const unsigned int vfe_lite_num; }; struct camss { @@ -113,7 +113,6 @@ struct camss { struct device_link *genpd_link; struct icc_path *icc_path[ICC_SM8250_COUNT]; const struct camss_resources *res; - unsigned int vfe_total_num; }; struct camss_camera_interface { _______________________________________________ linuxtv-commits mailing list linuxtv-commits@linuxtv.org https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
