drm: exynos: hdmi: replace is_v13 with version check in hdmi

This patch removed the is_v13 variable from the hdmi driver context.
It is replaced with condition check for the hdmi version. This cleans
the way for handling further hdmi versions.

Signed-off-by: Rahul Sharma <rahul.sharma@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index e3ab840..89e798b 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c
@@ -47,6 +47,11 @@
 #define MAX_HEIGHT             1080
 #define get_hdmi_context(dev)  platform_get_drvdata(to_platform_device(dev))
 
+enum hdmi_type {
+       HDMI_TYPE13,
+       HDMI_TYPE14,
+};
+
 struct hdmi_resources {
        struct clk                      *hdmi;
        struct clk                      *sclk_hdmi;
@@ -62,7 +67,6 @@ struct hdmi_context {
        struct drm_device               *drm_dev;
        bool                            hpd;
        bool                            powered;
-       bool                            is_v13;
        bool                            dvi_mode;
        struct mutex                    hdmi_mutex;
 
@@ -80,6 +84,8 @@ struct hdmi_context {
        void                            *parent_ctx;
 
        int                             hpd_gpio;
+
+       enum hdmi_type                  type;
 };
 
 /* HDMI Version 1.3 */
@@ -1211,7 +1217,7 @@ static void hdmi_v14_regs_dump(struct hdmi_context *hdata, char *prefix)
 
 static void hdmi_regs_dump(struct hdmi_context *hdata, char *prefix)
 {
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                hdmi_v13_regs_dump(hdata, prefix);
        else
                hdmi_v14_regs_dump(hdata, prefix);
@@ -1252,7 +1258,7 @@ static int hdmi_v14_conf_index(struct drm_display_mode *mode)
 static int hdmi_conf_index(struct hdmi_context *hdata,
                           struct drm_display_mode *mode)
 {
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                return hdmi_v13_conf_index(mode);
 
        return hdmi_v14_conf_index(mode);
@@ -1348,7 +1354,7 @@ static int hdmi_check_timing(void *ctx, void *timing)
                        check_timing->yres, check_timing->refresh,
                        check_timing->vmode);
 
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                return hdmi_v13_check_timing(check_timing);
        else
                return hdmi_v14_check_timing(check_timing);
@@ -1414,7 +1420,7 @@ static void hdmi_reg_acr(struct hdmi_context *hdata, u8 *acr)
        hdmi_reg_writeb(hdata, HDMI_ACR_CTS1, acr[2]);
        hdmi_reg_writeb(hdata, HDMI_ACR_CTS2, acr[1]);
 
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                hdmi_reg_writeb(hdata, HDMI_V13_ACR_CON, 4);
        else
                hdmi_reg_writeb(hdata, HDMI_ACR_CON, 4);
@@ -1518,7 +1524,7 @@ static void hdmi_conf_reset(struct hdmi_context *hdata)
 {
        u32 reg;
 
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                reg = HDMI_V13_CORE_RSTOUT;
        else
                reg = HDMI_CORE_RSTOUT;
@@ -1550,7 +1556,7 @@ static void hdmi_conf_init(struct hdmi_context *hdata)
                                HDMI_VID_PREAMBLE_DIS | HDMI_GUARD_BAND_DIS);
        }
 
-       if (hdata->is_v13) {
+       if (hdata->type == HDMI_TYPE13) {
                /* choose bluescreen (fecal) color */
                hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_0, 0x12);
                hdmi_reg_writeb(hdata, HDMI_V13_BLUE_SCREEN_1, 0x34);
@@ -1832,7 +1838,7 @@ static void hdmi_v14_timing_apply(struct hdmi_context *hdata)
 
 static void hdmi_timing_apply(struct hdmi_context *hdata)
 {
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                hdmi_v13_timing_apply(hdata);
        else
                hdmi_v14_timing_apply(hdata);
@@ -1854,7 +1860,7 @@ static void hdmiphy_conf_reset(struct hdmi_context *hdata)
        if (hdata->hdmiphy_port)
                i2c_master_send(hdata->hdmiphy_port, buffer, 2);
 
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                reg = HDMI_V13_PHY_RSTOUT;
        else
                reg = HDMI_PHY_RSTOUT;
@@ -1881,7 +1887,7 @@ static void hdmiphy_conf_apply(struct hdmi_context *hdata)
        }
 
        /* pixel clock */
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                hdmiphy_data = hdmi_v13_confs[hdata->cur_conf].hdmiphy_data;
        else
                hdmiphy_data = hdmi_confs[hdata->cur_conf].hdmiphy_data;
@@ -1949,7 +1955,7 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector,
 
        drm_mode_set_crtcinfo(adjusted_mode, 0);
 
-       if (hdata->is_v13)
+       if (hdata->type == HDMI_TYPE13)
                index = hdmi_v13_conf_index(adjusted_mode);
        else
                index = hdmi_v14_conf_index(adjusted_mode);
@@ -1963,7 +1969,7 @@ static void hdmi_mode_fixup(void *ctx, struct drm_connector *connector,
         * to adjusted_mode.
         */
        list_for_each_entry(m, &connector->modes, head) {
-               if (hdata->is_v13)
+               if (hdata->type == HDMI_TYPE13)
                        index = hdmi_v13_conf_index(m);
                else
                        index = hdmi_v14_conf_index(m);
@@ -2244,11 +2250,6 @@ void hdmi_attach_hdmiphy_client(struct i2c_client *hdmiphy)
                hdmi_hdmiphy = hdmiphy;
 }
 
-enum hdmi_type {
-       HDMI_TYPE13,
-       HDMI_TYPE14,
-};
-
 static struct platform_device_id hdmi_driver_types[] = {
        {
                .name           = "s5pv210-hdmi",
@@ -2272,7 +2273,6 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
        struct s5p_hdmi_platform_data *pdata;
        struct resource *res;
        int ret;
-       enum hdmi_type hdmi_type;
 
        DRM_DEBUG_KMS("[%d]\n", __LINE__);
 
@@ -2303,8 +2303,8 @@ static int __devinit hdmi_probe(struct platform_device *pdev)
 
        platform_set_drvdata(pdev, drm_hdmi_ctx);
 
-       hdmi_type = platform_get_device_id(pdev)->driver_data;
-       hdata->is_v13 = (hdmi_type == HDMI_TYPE13);
+       hdata->type = (enum hdmi_type)platform_get_device_id
+                                       (pdev)->driver_data;
        hdata->hpd_gpio = pdata->hpd_gpio;
        hdata->dev = dev;