ARM: S5P: add support for tv device

This patch adds all the resources for TV drivers and devices for Samsung
Exynos4 and S5PV210 platforms.

Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
[m.szyprowski: squashed Exynos4 and S5PV210 patches and rewrote commit message]
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 193 insertions, 1 deletions

diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c
index 0e1ba071e764..13e2421ba9e6 100644
--- a/arch/arm/mach-exynos4/clock.c
+++ b/arch/arm/mach-exynos4/clock.c
@@ -88,6 +88,11 @@ static int exynos4_clk_ip_mfc_ctrl(struct clk *clk, int enable)
         return s5p_gatectrl(S5P_CLKGATE_IP_MFC, clk, enable);
 }
 
+static int exynos4_clksrc_mask_tv_ctrl(struct clk *clk, int enable)
+{
+        return s5p_gatectrl(S5P_CLKSRC_MASK_TV, clk, enable);
+}
+
 static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable)
 {
         return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable);
@@ -128,6 +133,16 @@ static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable)
         return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable);
 }
 
+static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable)
+{
+        return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable);
+}
+
+static int exynos4_clk_dac_ctrl(struct clk *clk, int enable)
+{
+        return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable);
+}
+
 /* Core list of CMU_CPU side */
 
 static struct clksrc_clk clk_mout_apll = {
@@ -454,6 +469,36 @@ static struct clk init_clocks_off[] = {
                 .enable         = exynos4_clk_ip_fsys_ctrl,
                 .ctrlbit        = (1 << 9),
         }, {
+                .name           = "dac",
+                .devname        = "s5p-sdo",
+                .enable         = exynos4_clk_ip_tv_ctrl,
+                .ctrlbit        = (1 << 2),
+        }, {
+                .name           = "mixer",
+                .devname        = "s5p-mixer",
+                .enable         = exynos4_clk_ip_tv_ctrl,
+                .ctrlbit        = (1 << 1),
+        }, {
+                .name           = "vp",
+                .devname        = "s5p-mixer",
+                .enable         = exynos4_clk_ip_tv_ctrl,
+                .ctrlbit        = (1 << 0),
+        }, {
+                .name           = "hdmi",
+                .devname        = "exynos4-hdmi",
+                .enable         = exynos4_clk_ip_tv_ctrl,
+                .ctrlbit        = (1 << 3),
+        }, {
+                .name           = "hdmiphy",
+                .devname        = "exynos4-hdmi",
+                .enable         = exynos4_clk_hdmiphy_ctrl,
+                .ctrlbit        = (1 << 0),
+        }, {
+                .name           = "dacphy",
+                .devname        = "s5p-sdo",
+                .enable         = exynos4_clk_dac_ctrl,
+                .ctrlbit        = (1 << 0),
+        }, {
                 .name           = "sata",
                 .parent         = &clk_aclk_133.clk,
                 .enable         = exynos4_clk_ip_fsys_ctrl,
@@ -793,6 +838,81 @@ static struct clksrc_sources clkset_mout_mfc = {
         .nr_sources     = ARRAY_SIZE(clkset_mout_mfc_list),
 };
 
+static struct clk *clkset_sclk_dac_list[] = {
+        [0] = &clk_sclk_vpll.clk,
+        [1] = &clk_sclk_hdmiphy,
+};
+
+static struct clksrc_sources clkset_sclk_dac = {
+        .sources        = clkset_sclk_dac_list,
+        .nr_sources     = ARRAY_SIZE(clkset_sclk_dac_list),
+};
+
+static struct clksrc_clk clk_sclk_dac = {
+        .clk            = {
+                .name           = "sclk_dac",
+                .enable         = exynos4_clksrc_mask_tv_ctrl,
+                .ctrlbit        = (1 << 8),
+        },
+        .sources = &clkset_sclk_dac,
+        .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 8, .size = 1 },
+};
+
+static struct clksrc_clk clk_sclk_pixel = {
+        .clk            = {
+                .name           = "sclk_pixel",
+                .parent = &clk_sclk_vpll.clk,
+        },
+        .reg_div = { .reg = S5P_CLKDIV_TV, .shift = 0, .size = 4 },
+};
+
+static struct clk *clkset_sclk_hdmi_list[] = {
+        [0] = &clk_sclk_pixel.clk,
+        [1] = &clk_sclk_hdmiphy,
+};
+
+static struct clksrc_sources clkset_sclk_hdmi = {
+        .sources        = clkset_sclk_hdmi_list,
+        .nr_sources     = ARRAY_SIZE(clkset_sclk_hdmi_list),
+};
+
+static struct clksrc_clk clk_sclk_hdmi = {
+        .clk            = {
+                .name           = "sclk_hdmi",
+                .enable         = exynos4_clksrc_mask_tv_ctrl,
+                .ctrlbit        = (1 << 0),
+        },
+        .sources = &clkset_sclk_hdmi,
+        .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 0, .size = 1 },
+};
+
+static struct clk *clkset_sclk_mixer_list[] = {
+        [0] = &clk_sclk_dac.clk,
+        [1] = &clk_sclk_hdmi.clk,
+};
+
+static struct clksrc_sources clkset_sclk_mixer = {
+        .sources        = clkset_sclk_mixer_list,
+        .nr_sources     = ARRAY_SIZE(clkset_sclk_mixer_list),
+};
+
+static struct clksrc_clk clk_sclk_mixer = {
+        .clk            = {
+                .name           = "sclk_mixer",
+                .enable         = exynos4_clksrc_mask_tv_ctrl,
+                .ctrlbit        = (1 << 4),
+        },
+        .sources = &clkset_sclk_mixer,
+        .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 4, .size = 1 },
+};
+
+static struct clksrc_clk *sclk_tv[] = {
+        &clk_sclk_dac,
+        &clk_sclk_pixel,
+        &clk_sclk_hdmi,
+        &clk_sclk_mixer,
+};
+
 static struct clksrc_clk clk_dout_mmc0 = {
         .clk            = {
                 .name           = "dout_mmc0",
@@ -1132,6 +1252,71 @@ static struct clk_ops exynos4_fout_apll_ops = {
         .get_rate = exynos4_fout_apll_get_rate,
 };
 
+static u32 vpll_div[][8] = {
+        {  54000000, 3, 53, 3, 1024, 0, 17, 0 },
+        { 108000000, 3, 53, 2, 1024, 0, 17, 0 },
+};
+
+static unsigned long exynos4_vpll_get_rate(struct clk *clk)
+{
+        return clk->rate;
+}
+
+static int exynos4_vpll_set_rate(struct clk *clk, unsigned long rate)
+{
+        unsigned int vpll_con0, vpll_con1 = 0;
+        unsigned int i;
+
+        /* Return if nothing changed */
+        if (clk->rate == rate)
+                return 0;
+
+        vpll_con0 = __raw_readl(S5P_VPLL_CON0);
+        vpll_con0 &= ~(0x1 << 27 |                                      \
+                        PLL90XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |       \
+                        PLL90XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |       \
+                        PLL90XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
+
+        vpll_con1 = __raw_readl(S5P_VPLL_CON1);
+        vpll_con1 &= ~(PLL46XX_MRR_MASK << PLL46XX_MRR_SHIFT |  \
+                        PLL46XX_MFR_MASK << PLL46XX_MFR_SHIFT | \
+                        PLL4650C_KDIV_MASK << PLL46XX_KDIV_SHIFT);
+
+        for (i = 0; i < ARRAY_SIZE(vpll_div); i++) {
+                if (vpll_div[i][0] == rate) {
+                        vpll_con0 |= vpll_div[i][1] << PLL46XX_PDIV_SHIFT;
+                        vpll_con0 |= vpll_div[i][2] << PLL46XX_MDIV_SHIFT;
+                        vpll_con0 |= vpll_div[i][3] << PLL46XX_SDIV_SHIFT;
+                        vpll_con1 |= vpll_div[i][4] << PLL46XX_KDIV_SHIFT;
+                        vpll_con1 |= vpll_div[i][5] << PLL46XX_MFR_SHIFT;
+                        vpll_con1 |= vpll_div[i][6] << PLL46XX_MRR_SHIFT;
+                        vpll_con0 |= vpll_div[i][7] << 27;
+                        break;
+                }
+        }
+
+        if (i == ARRAY_SIZE(vpll_div)) {
+                printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n",
+                                __func__);
+                return -EINVAL;
+        }
+
+        __raw_writel(vpll_con0, S5P_VPLL_CON0);
+        __raw_writel(vpll_con1, S5P_VPLL_CON1);
+
+        /* Wait for VPLL lock */
+        while (!(__raw_readl(S5P_VPLL_CON0) & (1 << PLL46XX_LOCKED_SHIFT)))
+                continue;
+
+        clk->rate = rate;
+        return 0;
+}
+
+static struct clk_ops exynos4_vpll_ops = {
+        .get_rate = exynos4_vpll_get_rate,
+        .set_rate = exynos4_vpll_set_rate,
+};
+
 void __init_or_cpufreq exynos4_setup_clocks(void)
 {
         struct clk *xtal_clk;
@@ -1174,6 +1359,7 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
         clk_fout_apll.ops = &exynos4_fout_apll_ops;
         clk_fout_mpll.rate = mpll;
         clk_fout_epll.rate = epll;
+        clk_fout_vpll.ops = &exynos4_vpll_ops;
         clk_fout_vpll.rate = vpll;
 
         printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld",
@@ -1201,7 +1387,10 @@ void __init_or_cpufreq exynos4_setup_clocks(void)
 }
 
 static struct clk *clks[] __initdata = {
-        /* Nothing here yet */
+        &clk_sclk_hdmi27m,
+        &clk_sclk_hdmiphy,
+        &clk_sclk_usbphy0,
+        &clk_sclk_usbphy1,
 };
 
 void __init exynos4_register_clocks(void)
@@ -1213,6 +1402,9 @@ void __init exynos4_register_clocks(void)
         for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
                 s3c_register_clksrc(sysclks[ptr], 1);
 
+        for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++)
+                s3c_register_clksrc(sclk_tv[ptr], 1);
+
         s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
         s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));