| Message ID | 1553667561-25447-4-git-send-email-yongqiang.niu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | add drm support for MT8183 | expand |
Hi, Yongqiang: On Wed, 2019-03-27 at 14:18 +0800, yongqiang.niu@mediatek.com wrote: > From: Yongqiang Niu <yongqiang.niu@mediatek.com> > > mutex0 MOD register offset not always 0x2C. > for mt8183, that offset will be 0x30, > add this regsiter offset into private data > > Signed-off-by: Yongqiang Niu <yongqiang.niu@mediatek.com> > --- > drivers/gpu/drm/mediatek/mtk_drm_ddp.c | 53 +++++++++++++++++++++++++--------- > 1 file changed, 39 insertions(+), 14 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > index 579ce28..7f0d46e 100644 > --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c > @@ -41,10 +41,12 @@ > #define DISP_REG_CONFIG_DSI_SEL 0x050 > #define DISP_REG_CONFIG_DPI_SEL 0x064 > > +#define MT2701_DISP_MUTEX0_MOD0 0x2C Lower case, 0x2c. > + > #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) > #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) > #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n)) > -#define DISP_REG_MUTEX_MOD(n) (0x2c + 0x20 * (n)) > +#define DISP_REG_MUTEX_MOD(data, n) ((data)->mutex_mod_reg + 0x20 * (n)) Why not just define as: #define DISP_REG_MUTEX_MOD(mutex_mod_reg, n) (mutex_mod_reg + 0x20 * (n)) The mutex_mod_reg inside a structure or not is decided by the caller. > #define DISP_REG_MUTEX_SOF(n) (0x30 + 0x20 * (n)) > #define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n)) > > @@ -147,12 +149,17 @@ struct mtk_disp_mutex { > bool claimed; > }; > > +struct mtk_ddp_data { > + const unsigned int *mutex_mod; > + unsigned int mutex_mod_reg; const Regards, cK > +}; > + > struct mtk_ddp { > struct device *dev; > struct clk *clk; > void __iomem *regs; > struct mtk_disp_mutex mutex[10]; > - const unsigned int *mutex_mod; > + const struct mtk_ddp_data *data; > }; > > static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { > @@ -202,6 +209,21 @@ struct mtk_ddp { > [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, > }; > > +static const struct mtk_ddp_data mt2701_ddp_driver_data = { > + .mutex_mod = mt2701_mutex_mod, > + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, > +}; > + > +static const struct mtk_ddp_data mt2712_ddp_driver_data = { > + .mutex_mod = mt2712_mutex_mod, > + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, > +}; > + > +static const struct mtk_ddp_data mt8173_ddp_driver_data = { > + .mutex_mod = mt8173_mutex_mod, > + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, > +}; > + > static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur, > enum mtk_ddp_comp_id next, > unsigned int *addr) > @@ -464,15 +486,15 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, > reg = MUTEX_SOF_DPI1; > break; > default: > - if (ddp->mutex_mod[id] < 32) { > - offset = DISP_REG_MUTEX_MOD(mutex->id); > + if (ddp->data->mutex_mod[id] < 32) { > + offset = DISP_REG_MUTEX_MOD(ddp->data, mutex->id); > reg = readl_relaxed(ddp->regs + offset); > - reg |= 1 << ddp->mutex_mod[id]; > + reg |= 1 << ddp->data->mutex_mod[id]; > writel_relaxed(reg, ddp->regs + offset); > } else { > offset = DISP_REG_MUTEX_MOD2(mutex->id); > reg = readl_relaxed(ddp->regs + offset); > - reg |= 1 << (ddp->mutex_mod[id] - 32); > + reg |= 1 << (ddp->data->mutex_mod[id] - 32); > writel_relaxed(reg, ddp->regs + offset); > } > return; > @@ -502,15 +524,15 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, > ddp->regs + DISP_REG_MUTEX_SOF(mutex->id)); > break; > default: > - if (ddp->mutex_mod[id] < 32) { > - offset = DISP_REG_MUTEX_MOD(mutex->id); > + if (ddp->data->mutex_mod[id] < 32) { > + offset = DISP_REG_MUTEX_MOD(ddp->data, mutex->id); > reg = readl_relaxed(ddp->regs + offset); > - reg &= ~(1 << ddp->mutex_mod[id]); > + reg &= ~(1 << ddp->data->mutex_mod[id]); > writel_relaxed(reg, ddp->regs + offset); > } else { > offset = DISP_REG_MUTEX_MOD2(mutex->id); > reg = readl_relaxed(ddp->regs + offset); > - reg &= ~(1 << (ddp->mutex_mod[id] - 32)); > + reg &= ~(1 << (ddp->data->mutex_mod[id] - 32)); > writel_relaxed(reg, ddp->regs + offset); > } > break; > @@ -585,7 +607,7 @@ static int mtk_ddp_probe(struct platform_device *pdev) > return PTR_ERR(ddp->regs); > } > > - ddp->mutex_mod = of_device_get_match_data(dev); > + ddp->data = of_device_get_match_data(dev); > > platform_set_drvdata(pdev, ddp); > > @@ -598,9 +620,12 @@ static int mtk_ddp_remove(struct platform_device *pdev) > } > > static const struct of_device_id ddp_driver_dt_match[] = { > - { .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod}, > - { .compatible = "mediatek,mt2712-disp-mutex", .data = mt2712_mutex_mod}, > - { .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod}, > + { .compatible = "mediatek,mt2701-disp-mutex", > + .data = &mt2701_ddp_driver_data}, > + { .compatible = "mediatek,mt2712-disp-mutex", > + .data = &mt2712_ddp_driver_data}, > + { .compatible = "mediatek,mt8173-disp-mutex", > + .data = &mt8173_ddp_driver_data}, > {}, > }; > MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);
diff --git a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c index 579ce28..7f0d46e 100644 --- a/drivers/gpu/drm/mediatek/mtk_drm_ddp.c +++ b/drivers/gpu/drm/mediatek/mtk_drm_ddp.c @@ -41,10 +41,12 @@ #define DISP_REG_CONFIG_DSI_SEL 0x050 #define DISP_REG_CONFIG_DPI_SEL 0x064 +#define MT2701_DISP_MUTEX0_MOD0 0x2C + #define DISP_REG_MUTEX_EN(n) (0x20 + 0x20 * (n)) #define DISP_REG_MUTEX(n) (0x24 + 0x20 * (n)) #define DISP_REG_MUTEX_RST(n) (0x28 + 0x20 * (n)) -#define DISP_REG_MUTEX_MOD(n) (0x2c + 0x20 * (n)) +#define DISP_REG_MUTEX_MOD(data, n) ((data)->mutex_mod_reg + 0x20 * (n)) #define DISP_REG_MUTEX_SOF(n) (0x30 + 0x20 * (n)) #define DISP_REG_MUTEX_MOD2(n) (0x34 + 0x20 * (n)) @@ -147,12 +149,17 @@ struct mtk_disp_mutex { bool claimed; }; +struct mtk_ddp_data { + const unsigned int *mutex_mod; + unsigned int mutex_mod_reg; +}; + struct mtk_ddp { struct device *dev; struct clk *clk; void __iomem *regs; struct mtk_disp_mutex mutex[10]; - const unsigned int *mutex_mod; + const struct mtk_ddp_data *data; }; static const unsigned int mt2701_mutex_mod[DDP_COMPONENT_ID_MAX] = { @@ -202,6 +209,21 @@ struct mtk_ddp { [DDP_COMPONENT_WDMA1] = MT8173_MUTEX_MOD_DISP_WDMA1, }; +static const struct mtk_ddp_data mt2701_ddp_driver_data = { + .mutex_mod = mt2701_mutex_mod, + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, +}; + +static const struct mtk_ddp_data mt2712_ddp_driver_data = { + .mutex_mod = mt2712_mutex_mod, + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, +}; + +static const struct mtk_ddp_data mt8173_ddp_driver_data = { + .mutex_mod = mt8173_mutex_mod, + .mutex_mod_reg = MT2701_DISP_MUTEX0_MOD0, +}; + static unsigned int mtk_ddp_mout_en(enum mtk_ddp_comp_id cur, enum mtk_ddp_comp_id next, unsigned int *addr) @@ -464,15 +486,15 @@ void mtk_disp_mutex_add_comp(struct mtk_disp_mutex *mutex, reg = MUTEX_SOF_DPI1; break; default: - if (ddp->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(mutex->id); + if (ddp->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(ddp->data, mutex->id); reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << ddp->mutex_mod[id]; + reg |= 1 << ddp->data->mutex_mod[id]; writel_relaxed(reg, ddp->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); reg = readl_relaxed(ddp->regs + offset); - reg |= 1 << (ddp->mutex_mod[id] - 32); + reg |= 1 << (ddp->data->mutex_mod[id] - 32); writel_relaxed(reg, ddp->regs + offset); } return; @@ -502,15 +524,15 @@ void mtk_disp_mutex_remove_comp(struct mtk_disp_mutex *mutex, ddp->regs + DISP_REG_MUTEX_SOF(mutex->id)); break; default: - if (ddp->mutex_mod[id] < 32) { - offset = DISP_REG_MUTEX_MOD(mutex->id); + if (ddp->data->mutex_mod[id] < 32) { + offset = DISP_REG_MUTEX_MOD(ddp->data, mutex->id); reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << ddp->mutex_mod[id]); + reg &= ~(1 << ddp->data->mutex_mod[id]); writel_relaxed(reg, ddp->regs + offset); } else { offset = DISP_REG_MUTEX_MOD2(mutex->id); reg = readl_relaxed(ddp->regs + offset); - reg &= ~(1 << (ddp->mutex_mod[id] - 32)); + reg &= ~(1 << (ddp->data->mutex_mod[id] - 32)); writel_relaxed(reg, ddp->regs + offset); } break; @@ -585,7 +607,7 @@ static int mtk_ddp_probe(struct platform_device *pdev) return PTR_ERR(ddp->regs); } - ddp->mutex_mod = of_device_get_match_data(dev); + ddp->data = of_device_get_match_data(dev); platform_set_drvdata(pdev, ddp); @@ -598,9 +620,12 @@ static int mtk_ddp_remove(struct platform_device *pdev) } static const struct of_device_id ddp_driver_dt_match[] = { - { .compatible = "mediatek,mt2701-disp-mutex", .data = mt2701_mutex_mod}, - { .compatible = "mediatek,mt2712-disp-mutex", .data = mt2712_mutex_mod}, - { .compatible = "mediatek,mt8173-disp-mutex", .data = mt8173_mutex_mod}, + { .compatible = "mediatek,mt2701-disp-mutex", + .data = &mt2701_ddp_driver_data}, + { .compatible = "mediatek,mt2712-disp-mutex", + .data = &mt2712_ddp_driver_data}, + { .compatible = "mediatek,mt8173-disp-mutex", + .data = &mt8173_ddp_driver_data}, {}, }; MODULE_DEVICE_TABLE(of, ddp_driver_dt_match);