msm_fb: HDMI: Add support for HDMI on APQ8064
Configure necessary PMIC regulators, GPIO, clocks
and parameters related to external display to enable
HDMI on APQ8064 target.
Change-Id: Ia2741fc13c6a640ebc610461ad4242929383b611
Signed-off-by: Aravind Venkateswaran <aravindh@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8064-display.c b/arch/arm/mach-msm/board-8064-display.c
index a5376e3..144cea5 100644
--- a/arch/arm/mach-msm/board-8064-display.c
+++ b/arch/arm/mach-msm/board-8064-display.c
@@ -37,14 +37,12 @@
#endif
#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL
-/* hdmi = 1920 x 1088 x 2(bpp) x 1(page) */
-#define MSM_FB_EXT_BUF_SIZE 0x3FC000
+#define MSM_FB_EXT_BUF_SIZE (1920 * 1088 * 2 * 1) /* 2 bpp x 1 page */
#elif defined(CONFIG_FB_MSM_TVOUT)
-/* tvout = 720 x 576 x 2(bpp) x 2(pages) */
-#define MSM_FB_EXT_BUF_SIZE 0x195000
-#else /* CONFIG_FB_MSM_HDMI_MSM_PANEL */
-#define MSM_FB_EXT_BUF_SIZE 0
-#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL */
+#define MSM_FB_EXT_BUF_SIZE (720 * 576 * 2 * 2) /* 2 bpp x 2 pages */
+#else
+#define MSM_FB_EXT_BUF_SIZE 0
+#endif
#define MSM_FB_SIZE roundup(MSM_FB_PRIM_BUF_SIZE + MSM_FB_EXT_BUF_SIZE, 4096)
@@ -135,7 +133,6 @@
#define MDP_VSYNC_GPIO 0
-#ifdef CONFIG_MSM_BUS_SCALING
static struct msm_bus_vectors mdp_init_vectors[] = {
{
.src = MSM_BUS_MASTER_MDP_PORT0,
@@ -217,8 +214,6 @@
.name = "mdp",
};
-#endif
-
static int mdp_core_clk_rate_table[] = {
200000000,
200000000,
@@ -231,9 +226,7 @@
.mdp_core_clk_rate = 200000000,
.mdp_core_clk_table = mdp_core_clk_rate_table,
.num_mdp_clk = ARRAY_SIZE(mdp_core_clk_rate_table),
-#ifdef CONFIG_MSM_BUS_SCALING
.mdp_bus_scale_table = &mdp_bus_scale_pdata,
-#endif
.mdp_rev = MDP_REV_44,
#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
.mem_hid = ION_CP_MM_HEAP_ID,
@@ -254,6 +247,52 @@
#endif
}
+static struct resource hdmi_msm_resources[] = {
+ {
+ .name = "hdmi_msm_qfprom_addr",
+ .start = 0x00700000,
+ .end = 0x007060FF,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "hdmi_msm_hdmi_addr",
+ .start = 0x04A00000,
+ .end = 0x04A00FFF,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .name = "hdmi_msm_irq",
+ .start = HDMI_IRQ,
+ .end = HDMI_IRQ,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static int hdmi_enable_5v(int on);
+static int hdmi_core_power(int on, int show);
+static int hdmi_cec_power(int on);
+
+static struct msm_hdmi_platform_data hdmi_msm_data = {
+ .irq = HDMI_IRQ,
+ .enable_5v = hdmi_enable_5v,
+ .core_power = hdmi_core_power,
+ .cec_power = hdmi_cec_power,
+};
+
+static struct platform_device hdmi_msm_device = {
+ .name = "hdmi_msm",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(hdmi_msm_resources),
+ .resource = hdmi_msm_resources,
+ .dev.platform_data = &hdmi_msm_data,
+};
+
+/* HDMI related GPIOs */
+#define HDMI_CEC_VAR_GPIO 69
+#define HDMI_DDC_CLK_GPIO 70
+#define HDMI_DDC_DATA_GPIO 71
+#define HDMI_HPD_GPIO 72
+
static bool dsi_power_on;
static int mipi_dsi_panel_power(int on)
{
@@ -587,6 +626,273 @@
}
};
+static struct msm_bus_vectors dtv_bus_init_vectors[] = {
+ {
+ .src = MSM_BUS_MASTER_MDP_PORT0,
+ .dst = MSM_BUS_SLAVE_EBI_CH0,
+ .ab = 0,
+ .ib = 0,
+ },
+};
+
+#ifdef CONFIG_FB_MSM_HDMI_AS_PRIMARY
+static struct msm_bus_vectors dtv_bus_def_vectors[] = {
+ {
+ .src = MSM_BUS_MASTER_MDP_PORT0,
+ .dst = MSM_BUS_SLAVE_EBI_CH0,
+ .ab = 2000000000,
+ .ib = 2000000000,
+ },
+};
+#else
+static struct msm_bus_vectors dtv_bus_def_vectors[] = {
+ {
+ .src = MSM_BUS_MASTER_MDP_PORT0,
+ .dst = MSM_BUS_SLAVE_EBI_CH0,
+ .ab = 566092800 * 2,
+ .ib = 707616000 * 2,
+ },
+};
+#endif
+
+static struct msm_bus_paths dtv_bus_scale_usecases[] = {
+ {
+ ARRAY_SIZE(dtv_bus_init_vectors),
+ dtv_bus_init_vectors,
+ },
+ {
+ ARRAY_SIZE(dtv_bus_def_vectors),
+ dtv_bus_def_vectors,
+ },
+};
+static struct msm_bus_scale_pdata dtv_bus_scale_pdata = {
+ dtv_bus_scale_usecases,
+ ARRAY_SIZE(dtv_bus_scale_usecases),
+ .name = "dtv",
+};
+
+static struct lcdc_platform_data dtv_pdata = {
+ .bus_scale_table = &dtv_bus_scale_pdata,
+};
+
+static int hdmi_enable_5v(int on)
+{
+ /* TBD: PM8921 regulator instead of 8901 */
+ static struct regulator *reg_8921_hdmi_mvs; /* HDMI_5V */
+ static int prev_on;
+ int rc;
+
+ if (on == prev_on)
+ return 0;
+
+ if (!reg_8921_hdmi_mvs) {
+ reg_8921_hdmi_mvs = regulator_get(&hdmi_msm_device.dev,
+ "hdmi_mvs");
+ if (IS_ERR(reg_8921_hdmi_mvs)) {
+ pr_err("could not get reg_8921_hdmi_mvs, rc = %ld\n",
+ PTR_ERR(reg_8921_hdmi_mvs));
+ reg_8921_hdmi_mvs = NULL;
+ return -ENODEV;
+ }
+ }
+
+ if (on) {
+ rc = regulator_enable(reg_8921_hdmi_mvs);
+ if (rc) {
+ pr_err("'%s' regulator enable failed, rc=%d\n",
+ "8921_hdmi_mvs", rc);
+ return rc;
+ }
+ pr_debug("%s(on): success\n", __func__);
+ } else {
+ rc = regulator_disable(reg_8921_hdmi_mvs);
+ if (rc)
+ pr_warning("'%s' regulator disable failed, rc=%d\n",
+ "8921_hdmi_mvs", rc);
+ pr_debug("%s(off): success\n", __func__);
+ }
+
+ prev_on = on;
+
+ return 0;
+}
+
+static int hdmi_core_power(int on, int show)
+{
+ static struct regulator *reg_8921_lvs7, *reg_8921_s4, *reg_ext_3p3v;
+ static int prev_on;
+ int rc;
+ int pmic_gpio14 = PM8921_GPIO_PM_TO_SYS(14);
+
+ if (on == prev_on)
+ return 0;
+
+ /* TBD: PM8921 regulator instead of 8901 */
+ if (!reg_ext_3p3v) {
+ reg_ext_3p3v = regulator_get(&hdmi_msm_device.dev,
+ "hdmi_mux_vdd");
+ if (IS_ERR_OR_NULL(reg_ext_3p3v)) {
+ pr_err("could not get reg_ext_3p3v, rc = %ld\n",
+ PTR_ERR(reg_ext_3p3v));
+ reg_ext_3p3v = NULL;
+ return -ENODEV;
+ }
+ }
+
+ if (!reg_8921_lvs7) {
+ reg_8921_lvs7 = regulator_get(&hdmi_msm_device.dev,
+ "hdmi_vdda");
+ if (IS_ERR(reg_8921_lvs7)) {
+ pr_err("could not get reg_8921_lvs7, rc = %ld\n",
+ PTR_ERR(reg_8921_lvs7));
+ reg_8921_lvs7 = NULL;
+ return -ENODEV;
+ }
+ }
+ if (!reg_8921_s4) {
+ reg_8921_s4 = regulator_get(&hdmi_msm_device.dev,
+ "hdmi_lvl_tsl");
+ if (IS_ERR(reg_8921_s4)) {
+ pr_err("could not get reg_8921_s4, rc = %ld\n",
+ PTR_ERR(reg_8921_s4));
+ reg_8921_s4 = NULL;
+ return -ENODEV;
+ }
+ rc = regulator_set_voltage(reg_8921_s4, 1800000, 1800000);
+ if (rc) {
+ pr_err("set_voltage failed for 8921_s4, rc=%d\n", rc);
+ return -EINVAL;
+ }
+ }
+
+ if (on) {
+ /*
+ * Configure 3P3V_BOOST_EN as GPIO, 8mA drive strength,
+ * pull none, out-high
+ */
+ rc = regulator_set_optimum_mode(reg_ext_3p3v, 290000);
+ if (rc < 0) {
+ pr_err("set_optimum_mode ext_3p3v failed, rc=%d\n", rc);
+ return -EINVAL;
+ }
+
+ rc = regulator_enable(reg_ext_3p3v);
+ if (rc) {
+ pr_err("enable reg_ext_3p3v failed, rc=%d\n", rc);
+ return -ENODEV;
+ }
+ rc = regulator_enable(reg_8921_lvs7);
+ if (rc) {
+ pr_err("'%s' regulator enable failed, rc=%d\n",
+ "hdmi_vdda", rc);
+ return rc;
+ }
+ rc = regulator_enable(reg_8921_s4);
+ if (rc) {
+ pr_err("'%s' regulator enable failed, rc=%d\n",
+ "hdmi_lvl_tsl", rc);
+ return rc;
+ }
+ rc = gpio_request(HDMI_DDC_CLK_GPIO, "HDMI_DDC_CLK");
+ if (rc) {
+ pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+ "HDMI_DDC_CLK", HDMI_DDC_CLK_GPIO, rc);
+ goto error1;
+ }
+ rc = gpio_request(HDMI_DDC_DATA_GPIO, "HDMI_DDC_DATA");
+ if (rc) {
+ pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+ "HDMI_DDC_DATA", HDMI_DDC_DATA_GPIO, rc);
+ goto error2;
+ }
+ rc = gpio_request(HDMI_HPD_GPIO, "HDMI_HPD");
+ if (rc) {
+ pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+ "HDMI_HPD", HDMI_HPD_GPIO, rc);
+ goto error3;
+ }
+ if (machine_is_apq8064_liquid()) {
+ rc = gpio_request(pmic_gpio14, "PMIC_HDMI_MUX_SEL");
+ if (rc) {
+ pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+ "PMIC_HDMI_MUX_SEL", 14, rc);
+ goto error4;
+ }
+ gpio_set_value_cansleep(pmic_gpio14, 0);
+ }
+ pr_debug("%s(on): success\n", __func__);
+ } else {
+ gpio_free(HDMI_DDC_CLK_GPIO);
+ gpio_free(HDMI_DDC_DATA_GPIO);
+ gpio_free(HDMI_HPD_GPIO);
+
+ if (machine_is_apq8064_liquid()) {
+ gpio_set_value_cansleep(pmic_gpio14, 1);
+ gpio_free(pmic_gpio14);
+ }
+
+ rc = regulator_disable(reg_ext_3p3v);
+ if (rc) {
+ pr_err("disable reg_ext_3p3v failed, rc=%d\n", rc);
+ return -ENODEV;
+ }
+ rc = regulator_disable(reg_8921_lvs7);
+ if (rc) {
+ pr_err("disable reg_8921_l23 failed, rc=%d\n", rc);
+ return -ENODEV;
+ }
+ rc = regulator_disable(reg_8921_s4);
+ if (rc) {
+ pr_err("disable reg_8921_s4 failed, rc=%d\n", rc);
+ return -ENODEV;
+ }
+ pr_debug("%s(off): success\n", __func__);
+ }
+
+ prev_on = on;
+
+ return 0;
+
+error4:
+ gpio_free(HDMI_HPD_GPIO);
+error3:
+ gpio_free(HDMI_DDC_DATA_GPIO);
+error2:
+ gpio_free(HDMI_DDC_CLK_GPIO);
+error1:
+ regulator_disable(reg_8921_lvs7);
+ regulator_disable(reg_8921_s4);
+ return rc;
+}
+
+static int hdmi_cec_power(int on)
+{
+ static int prev_on;
+ int rc;
+
+ if (on == prev_on)
+ return 0;
+
+ if (on) {
+ rc = gpio_request(HDMI_CEC_VAR_GPIO, "HDMI_CEC_VAR");
+ if (rc) {
+ pr_err("'%s'(%d) gpio_request failed, rc=%d\n",
+ "HDMI_CEC_VAR", HDMI_CEC_VAR_GPIO, rc);
+ goto error;
+ }
+ pr_debug("%s(on): success\n", __func__);
+ } else {
+ gpio_free(HDMI_CEC_VAR_GPIO);
+ pr_debug("%s(off): success\n", __func__);
+ }
+
+ prev_on = on;
+
+ return 0;
+error:
+ return rc;
+}
+
void __init apq8064_init_fb(void)
{
platform_device_register(&msm_fb_device);
@@ -600,4 +906,6 @@
msm_fb_register_device("mdp", &mdp_pdata);
msm_fb_register_device("lvds", &lvds_pdata);
msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
+ platform_device_register(&hdmi_msm_device);
+ msm_fb_register_device("dtv", &dtv_pdata);
}