| Message ID | 1362570838-4737-3-git-send-email-shaik.ameer@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 03/06/2013 12:53 PM, Shaik Ameer Basha wrote: > This patch adds the Exynos5 soc compatibility to the fimc-lite driver. > It also adds a version checking to deal with the changes between > different fimc-lite hardware versions. Is there really anything different between the Exynos4 and Exynos5 FIMC-LITE IPs except the maximum number of buffer descriptors in the output DMA queue ? > Signed-off-by: Shaik Ameer Basha<shaik.ameer@samsung.com> > --- > drivers/media/platform/s5p-fimc/fimc-lite.c | 23 +++++++++++++++++++++++ > drivers/media/platform/s5p-fimc/fimc-lite.h | 7 ++++++- > 2 files changed, 29 insertions(+), 1 deletion(-) > > diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c > index 122cf95..eb64f87 100644 > --- a/drivers/media/platform/s5p-fimc/fimc-lite.c > +++ b/drivers/media/platform/s5p-fimc/fimc-lite.c > @@ -1653,6 +1653,16 @@ static struct flite_variant fimc_lite0_variant_exynos4 = { > .out_width_align = 8, > .win_hor_offs_align = 2, > .out_hor_offs_align = 8, > + .version = FLITE_VER_EXYNOS4, > +}; > + > +static struct flite_variant fimc_lite0_variant_exynos5 = { > + .max_width = 8192, > + .max_height = 8192, > + .out_width_align = 8, > + .win_hor_offs_align = 2, > + .out_hor_offs_align = 8, Please see my comment to patch 03/12. > + .version = FLITE_VER_EXYNOS5, > }; > > /* EXYNOS4212, EXYNOS4412 */ > @@ -1663,6 +1673,15 @@ static struct flite_drvdata fimc_lite_drvdata_exynos4 = { > }, > }; > > +/* EXYNOS5250 */ > +static struct flite_drvdata fimc_lite_drvdata_exynos5 = { > + .variant = { > + [0] =&fimc_lite0_variant_exynos5, > + [1] =&fimc_lite0_variant_exynos5, > + [2] =&fimc_lite0_variant_exynos5, > + }, > +}; > + > static struct platform_device_id fimc_lite_driver_ids[] = { > { > .name = "exynos-fimc-lite", > @@ -1677,6 +1696,10 @@ static const struct of_device_id flite_of_match[] = { > .compatible = "samsung,exynos4212-fimc-lite", > .data =&fimc_lite_drvdata_exynos4, > }, > + { > + .compatible = "samsung,exynos5250-fimc-lite", > + .data =&fimc_lite_drvdata_exynos5, > + }, > { /* sentinel */ }, > }; > MODULE_DEVICE_TABLE(of, flite_of_match); > diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.h b/drivers/media/platform/s5p-fimc/fimc-lite.h > index 66d6eeb..ef43fe0 100644 > --- a/drivers/media/platform/s5p-fimc/fimc-lite.h > +++ b/drivers/media/platform/s5p-fimc/fimc-lite.h > @@ -28,7 +28,7 @@ > > #define FIMC_LITE_DRV_NAME "exynos-fimc-lite" > #define FLITE_CLK_NAME "flite" > -#define FIMC_LITE_MAX_DEVS 2 > +#define FIMC_LITE_MAX_DEVS 3 > #define FLITE_REQ_BUFS_MIN 2 > > /* Bit index definitions for struct fimc_lite::state */ > @@ -49,12 +49,17 @@ enum { > #define FLITE_SD_PAD_SOURCE_ISP 2 > #define FLITE_SD_PADS_NUM 3 > > +#define FLITE_VER_EXYNOS4 0 > +#define FLITE_VER_EXYNOS5 1 I would prefer not using explicit version and rather put each quirk in the driver data structure, so we can avoid those multiple if (version == ...) checks all over in the code, should more revision of this IP come in future SoCs. -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Hi Sylwester, On Mon, Mar 11, 2013 at 2:06 AM, Sylwester Nawrocki <sylvester.nawrocki@gmail.com> wrote: > On 03/06/2013 12:53 PM, Shaik Ameer Basha wrote: >> >> This patch adds the Exynos5 soc compatibility to the fimc-lite driver. >> It also adds a version checking to deal with the changes between >> different fimc-lite hardware versions. > > > Is there really anything different between the Exynos4 and Exynos5 > FIMC-LITE IPs except the maximum number of buffer descriptors in > the output DMA queue ? > > >> Signed-off-by: Shaik Ameer Basha<shaik.ameer@samsung.com> >> --- >> drivers/media/platform/s5p-fimc/fimc-lite.c | 23 >> +++++++++++++++++++++++ >> drivers/media/platform/s5p-fimc/fimc-lite.h | 7 ++++++- >> 2 files changed, 29 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c >> b/drivers/media/platform/s5p-fimc/fimc-lite.c >> index 122cf95..eb64f87 100644 >> --- a/drivers/media/platform/s5p-fimc/fimc-lite.c >> +++ b/drivers/media/platform/s5p-fimc/fimc-lite.c >> @@ -1653,6 +1653,16 @@ static struct flite_variant >> fimc_lite0_variant_exynos4 = { >> .out_width_align = 8, >> .win_hor_offs_align = 2, >> .out_hor_offs_align = 8, >> + .version = FLITE_VER_EXYNOS4, >> +}; >> + >> +static struct flite_variant fimc_lite0_variant_exynos5 = { >> + .max_width = 8192, >> + .max_height = 8192, >> + .out_width_align = 8, >> + .win_hor_offs_align = 2, >> + .out_hor_offs_align = 8, > > > Please see my comment to patch 03/12. > > >> + .version = FLITE_VER_EXYNOS5, >> }; >> >> /* EXYNOS4212, EXYNOS4412 */ >> @@ -1663,6 +1673,15 @@ static struct flite_drvdata >> fimc_lite_drvdata_exynos4 = { >> }, >> }; >> >> +/* EXYNOS5250 */ >> +static struct flite_drvdata fimc_lite_drvdata_exynos5 = { >> + .variant = { >> + [0] =&fimc_lite0_variant_exynos5, >> + [1] =&fimc_lite0_variant_exynos5, >> + [2] =&fimc_lite0_variant_exynos5, >> + }, >> +}; >> + >> static struct platform_device_id fimc_lite_driver_ids[] = { >> { >> .name = "exynos-fimc-lite", >> @@ -1677,6 +1696,10 @@ static const struct of_device_id flite_of_match[] = >> { >> .compatible = "samsung,exynos4212-fimc-lite", >> .data =&fimc_lite_drvdata_exynos4, >> }, >> + { >> + .compatible = "samsung,exynos5250-fimc-lite", >> + .data =&fimc_lite_drvdata_exynos5, >> + }, >> { /* sentinel */ }, >> }; >> MODULE_DEVICE_TABLE(of, flite_of_match); >> diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.h >> b/drivers/media/platform/s5p-fimc/fimc-lite.h >> index 66d6eeb..ef43fe0 100644 >> --- a/drivers/media/platform/s5p-fimc/fimc-lite.h >> +++ b/drivers/media/platform/s5p-fimc/fimc-lite.h >> @@ -28,7 +28,7 @@ >> >> #define FIMC_LITE_DRV_NAME "exynos-fimc-lite" >> #define FLITE_CLK_NAME "flite" >> -#define FIMC_LITE_MAX_DEVS 2 >> +#define FIMC_LITE_MAX_DEVS 3 >> #define FLITE_REQ_BUFS_MIN 2 >> >> /* Bit index definitions for struct fimc_lite::state */ >> @@ -49,12 +49,17 @@ enum { >> #define FLITE_SD_PAD_SOURCE_ISP 2 >> #define FLITE_SD_PADS_NUM 3 >> >> +#define FLITE_VER_EXYNOS4 0 >> +#define FLITE_VER_EXYNOS5 1 > > > I would prefer not using explicit version and rather put each > quirk in the driver data structure, so we can avoid those > multiple if (version == ...) checks all over in the code, should > more revision of this IP come in future SoCs. Ok. no issues. we can remove this version checking and maintain the differences in driver data structures. Regards, Shaik Ameer Basha -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.c b/drivers/media/platform/s5p-fimc/fimc-lite.c index 122cf95..eb64f87 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite.c +++ b/drivers/media/platform/s5p-fimc/fimc-lite.c @@ -1653,6 +1653,16 @@ static struct flite_variant fimc_lite0_variant_exynos4 = { .out_width_align = 8, .win_hor_offs_align = 2, .out_hor_offs_align = 8, + .version = FLITE_VER_EXYNOS4, +}; + +static struct flite_variant fimc_lite0_variant_exynos5 = { + .max_width = 8192, + .max_height = 8192, + .out_width_align = 8, + .win_hor_offs_align = 2, + .out_hor_offs_align = 8, + .version = FLITE_VER_EXYNOS5, }; /* EXYNOS4212, EXYNOS4412 */ @@ -1663,6 +1673,15 @@ static struct flite_drvdata fimc_lite_drvdata_exynos4 = { }, }; +/* EXYNOS5250 */ +static struct flite_drvdata fimc_lite_drvdata_exynos5 = { + .variant = { + [0] = &fimc_lite0_variant_exynos5, + [1] = &fimc_lite0_variant_exynos5, + [2] = &fimc_lite0_variant_exynos5, + }, +}; + static struct platform_device_id fimc_lite_driver_ids[] = { { .name = "exynos-fimc-lite", @@ -1677,6 +1696,10 @@ static const struct of_device_id flite_of_match[] = { .compatible = "samsung,exynos4212-fimc-lite", .data = &fimc_lite_drvdata_exynos4, }, + { + .compatible = "samsung,exynos5250-fimc-lite", + .data = &fimc_lite_drvdata_exynos5, + }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, flite_of_match); diff --git a/drivers/media/platform/s5p-fimc/fimc-lite.h b/drivers/media/platform/s5p-fimc/fimc-lite.h index 66d6eeb..ef43fe0 100644 --- a/drivers/media/platform/s5p-fimc/fimc-lite.h +++ b/drivers/media/platform/s5p-fimc/fimc-lite.h @@ -28,7 +28,7 @@ #define FIMC_LITE_DRV_NAME "exynos-fimc-lite" #define FLITE_CLK_NAME "flite" -#define FIMC_LITE_MAX_DEVS 2 +#define FIMC_LITE_MAX_DEVS 3 #define FLITE_REQ_BUFS_MIN 2 /* Bit index definitions for struct fimc_lite::state */ @@ -49,12 +49,17 @@ enum { #define FLITE_SD_PAD_SOURCE_ISP 2 #define FLITE_SD_PADS_NUM 3 +#define FLITE_VER_EXYNOS4 0 +#define FLITE_VER_EXYNOS5 1 + + struct flite_variant { unsigned short max_width; unsigned short max_height; unsigned short out_width_align; unsigned short win_hor_offs_align; unsigned short out_hor_offs_align; + unsigned short version; }; struct flite_drvdata {
This patch adds the Exynos5 soc compatibility to the fimc-lite driver. It also adds a version checking to deal with the changes between different fimc-lite hardware versions. Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com> --- drivers/media/platform/s5p-fimc/fimc-lite.c | 23 +++++++++++++++++++++++ drivers/media/platform/s5p-fimc/fimc-lite.h | 7 ++++++- 2 files changed, 29 insertions(+), 1 deletion(-)