fbdev: sh_mobile_hdmi: add HDMI Control Register support
Latest SuperH HDMI uses not only HDMI Core Register (HTOP0) but also HDMI Control Register (HTOP1). This patch adds HDMI Control Register support. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
This commit is contained in:
Kuninori Morimoto
Florian Tobias Schandinat
Родитель
db6668d83a
Коммит
c932b27311
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@ -31,6 +31,7 @@
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#include "sh_mobile_lcdcfb.h"
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/* HDMI Core Control Register (HTOP0) */
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#define HDMI_SYSTEM_CTRL 0x00 /* System control */
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#define HDMI_L_R_DATA_SWAP_CTRL_RPKT 0x01 /* L/R data swap control,
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bits 19..16 of 20-bit N for Audio Clock Regeneration packet */
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@ -201,6 +202,68 @@
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#define HDMI_REVISION_ID 0xF1 /* Revision ID */
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#define HDMI_TEST_MODE 0xFE /* Test mode */
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/* HDMI Control Register (HTOP1) */
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#define HDMI_HTOP1_TEST_MODE 0x0000 /* Test mode */
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#define HDMI_HTOP1_VIDEO_INPUT 0x0008 /* VideoInput */
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#define HDMI_HTOP1_CORE_RSTN 0x000C /* CoreResetn */
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#define HDMI_HTOP1_PLLBW 0x0018 /* PLLBW */
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#define HDMI_HTOP1_CLK_TO_PHY 0x001C /* Clk to Phy */
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#define HDMI_HTOP1_VIDEO_INPUT2 0x0020 /* VideoInput2 */
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#define HDMI_HTOP1_TISEMP0_1 0x0024 /* tisemp0-1 */
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#define HDMI_HTOP1_TISEMP2_C 0x0028 /* tisemp2-c */
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#define HDMI_HTOP1_TISIDRV 0x002C /* tisidrv */
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#define HDMI_HTOP1_TISEN 0x0034 /* tisen */
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#define HDMI_HTOP1_TISDREN 0x0038 /* tisdren */
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#define HDMI_HTOP1_CISRANGE 0x003C /* cisrange */
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#define HDMI_HTOP1_ENABLE_SELECTOR 0x0040 /* Enable Selector */
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#define HDMI_HTOP1_MACRO_RESET 0x0044 /* Macro reset */
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#define HDMI_HTOP1_PLL_CALIBRATION 0x0048 /* PLL calibration */
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#define HDMI_HTOP1_RE_CALIBRATION 0x004C /* Re-calibration */
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#define HDMI_HTOP1_CURRENT 0x0050 /* Current */
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#define HDMI_HTOP1_PLL_LOCK_DETECT 0x0054 /* PLL lock detect */
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#define HDMI_HTOP1_PHY_TEST_MODE 0x0058 /* PHY Test Mode */
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#define HDMI_HTOP1_CLK_SET 0x0080 /* Clock Set */
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#define HDMI_HTOP1_DDC_FAIL_SAFE 0x0084 /* DDC fail safe */
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#define HDMI_HTOP1_PRBS 0x0088 /* PRBS */
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#define HDMI_HTOP1_EDID_AINC_CONTROL 0x008C /* EDID ainc Control */
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#define HDMI_HTOP1_HTOP_DCL_MODE 0x00FC /* Deep Coloer Mode */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0 0x0100 /* Deep Color:FRC COEF0 */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1 0x0104 /* Deep Color:FRC COEF1 */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2 0x0108 /* Deep Color:FRC COEF2 */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3 0x010C /* Deep Color:FRC COEF3 */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF0_C 0x0110 /* Deep Color:FRC COEF0C */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF1_C 0x0114 /* Deep Color:FRC COEF1C */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF2_C 0x0118 /* Deep Color:FRC COEF2C */
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#define HDMI_HTOP1_HTOP_DCL_FRC_COEF3_C 0x011C /* Deep Color:FRC COEF3C */
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#define HDMI_HTOP1_HTOP_DCL_FRC_MODE 0x0120 /* Deep Color:FRC Mode */
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#define HDMI_HTOP1_HTOP_DCL_RECT_START1 0x0124 /* Deep Color:Rect Start1 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE1 0x0128 /* Deep Color:Rect Size1 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_START2 0x012C /* Deep Color:Rect Start2 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE2 0x0130 /* Deep Color:Rect Size2 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_START3 0x0134 /* Deep Color:Rect Start3 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE3 0x0138 /* Deep Color:Rect Size3 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_START4 0x013C /* Deep Color:Rect Start4 */
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#define HDMI_HTOP1_HTOP_DCL_RECT_SIZE4 0x0140 /* Deep Color:Rect Size4 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1 0x0144 /* Deep Color:Fil Para Y1_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2 0x0148 /* Deep Color:Fil Para Y1_2 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1 0x014C /* Deep Color:Fil Para CB1_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2 0x0150 /* Deep Color:Fil Para CB1_2 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1 0x0154 /* Deep Color:Fil Para CR1_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2 0x0158 /* Deep Color:Fil Para CR1_2 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1 0x015C /* Deep Color:Fil Para Y2_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2 0x0160 /* Deep Color:Fil Para Y2_2 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1 0x0164 /* Deep Color:Fil Para CB2_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2 0x0168 /* Deep Color:Fil Para CB2_2 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1 0x016C /* Deep Color:Fil Para CR2_1 */
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#define HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2 0x0170 /* Deep Color:Fil Para CR2_2 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1 0x0174 /* Deep Color:Cor Para Y1 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1 0x0178 /* Deep Color:Cor Para CB1 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1 0x017C /* Deep Color:Cor Para CR1 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2 0x0180 /* Deep Color:Cor Para Y2 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2 0x0184 /* Deep Color:Cor Para CB2 */
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#define HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2 0x0188 /* Deep Color:Cor Para CR2 */
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#define HDMI_HTOP1_EDID_DATA_READ 0x0200 /* EDID Data Read 128Byte:0x03FC */
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enum hotplug_state {
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HDMI_HOTPLUG_DISCONNECTED,
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HDMI_HOTPLUG_CONNECTED,
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@ -211,6 +274,7 @@ struct sh_hdmi {
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struct sh_mobile_lcdc_entity entity;
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void __iomem *base;
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void __iomem *htop1;
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enum hotplug_state hp_state; /* hot-plug status */
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u8 preprogrammed_vic; /* use a pre-programmed VIC or
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the external mode */
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@ -271,6 +335,17 @@ static void hdmi_bit_set(struct sh_hdmi *hdmi, u8 mask, u8 data, u8 reg)
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hdmi_write(hdmi, val, reg);
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}
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static void hdmi_htop1_write(struct sh_hdmi *hdmi, u32 data, u32 reg)
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{
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iowrite32(data, hdmi->htop1 + reg);
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udelay(100);
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}
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static u32 hdmi_htop1_read(struct sh_hdmi *hdmi, u32 reg)
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{
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return ioread32(hdmi->htop1 + reg);
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}
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/*
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* HDMI sound
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*/
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@ -781,7 +856,9 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
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/* Read EDID */
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dev_dbg(hdmi->dev, "Read back EDID code:");
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for (i = 0; i < 128; i++) {
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edid[i] = hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
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edid[i] = (hdmi->htop1) ?
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(u8)hdmi_htop1_read(hdmi, HDMI_HTOP1_EDID_DATA_READ + (i * 4)) :
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hdmi_read(hdmi, HDMI_EDID_KSV_FIFO_ACCESS_WINDOW);
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#ifdef DEBUG
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if ((i % 16) == 0) {
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printk(KERN_CONT "\n");
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@ -1145,10 +1222,58 @@ out:
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dev_dbg(hdmi->dev, "%s(%p): end\n", __func__, hdmi);
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}
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static void sh_hdmi_htop1_init(struct sh_hdmi *hdmi)
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{
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_MODE);
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hdmi_htop1_write(hdmi, 0x0000000b, 0x0010);
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hdmi_htop1_write(hdmi, 0x00006710, HDMI_HTOP1_HTOP_DCL_FRC_MODE);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y1_2);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB1_2);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR1_2);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_Y2_2);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CB2_2);
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hdmi_htop1_write(hdmi, 0x01020406, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_1);
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hdmi_htop1_write(hdmi, 0x07080806, HDMI_HTOP1_HTOP_DCL_FIL_PARA_CR2_2);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y1);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB1);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR1);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_Y2);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CB2);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_HTOP_DCL_COR_PARA_CR2);
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hdmi_htop1_write(hdmi, 0x00000008, HDMI_HTOP1_CURRENT);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP0_1);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_TISEMP2_C);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PHY_TEST_MODE);
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hdmi_htop1_write(hdmi, 0x00000081, HDMI_HTOP1_TISIDRV);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_PLLBW);
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hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN);
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hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN);
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hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR);
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hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET);
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hdmi_htop1_write(hdmi, 0x00000016, HDMI_HTOP1_CISRANGE);
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msleep(100);
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hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_ENABLE_SELECTOR);
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msleep(100);
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hdmi_htop1_write(hdmi, 0x00000003, HDMI_HTOP1_ENABLE_SELECTOR);
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hdmi_htop1_write(hdmi, 0x00000001, HDMI_HTOP1_MACRO_RESET);
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hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISEN);
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hdmi_htop1_write(hdmi, 0x0000000f, HDMI_HTOP1_TISDREN);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_CLK_TO_PHY);
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hdmi_htop1_write(hdmi, 0x00000000, HDMI_HTOP1_VIDEO_INPUT2);
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hdmi_htop1_write(hdmi, 0x0000000a, HDMI_HTOP1_CLK_SET);
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}
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static int __init sh_hdmi_probe(struct platform_device *pdev)
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{
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struct sh_mobile_hdmi_info *pdata = pdev->dev.platform_data;
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struct resource *res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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struct resource *htop1_res;
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int irq = platform_get_irq(pdev, 0), ret;
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struct sh_hdmi *hdmi;
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long rate;
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@ -1156,6 +1281,15 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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if (!res || !pdata || irq < 0)
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return -ENODEV;
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htop1_res = NULL;
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if (pdata->flags & HDMI_HAS_HTOP1) {
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htop1_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
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if (!htop1_res) {
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dev_err(&pdev->dev, "htop1 needs register base\n");
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return -EINVAL;
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}
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}
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hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
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if (!hdmi) {
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dev_err(&pdev->dev, "Cannot allocate device data\n");
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@ -1227,6 +1361,17 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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if (pdata->flags & HDMI_OUTPUT_POLARITY_HI)
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hdmi_bit_set(hdmi, 0x01, 0x01, HDMI_SYSTEM_CTRL);
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/* enable htop1 register if needed */
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if (htop1_res) {
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hdmi->htop1 = ioremap(htop1_res->start, resource_size(htop1_res));
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if (!hdmi->htop1) {
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dev_err(&pdev->dev, "control register region already claimed\n");
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ret = -ENOMEM;
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goto emap_htop1;
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}
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sh_hdmi_htop1_init(hdmi);
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}
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/* Product and revision IDs are 0 in sh-mobile version */
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dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
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hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
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@ -1250,6 +1395,9 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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ecodec:
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free_irq(irq, hdmi);
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ereqirq:
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if (hdmi->htop1)
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iounmap(hdmi->htop1);
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emap_htop1:
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pm_runtime_put(&pdev->dev);
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pm_runtime_disable(&pdev->dev);
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iounmap(hdmi->base);
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@ -1281,6 +1429,8 @@ static int __exit sh_hdmi_remove(struct platform_device *pdev)
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pm_runtime_disable(&pdev->dev);
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clk_disable(hdmi->hdmi_clk);
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clk_put(hdmi->hdmi_clk);
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if (hdmi->htop1)
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iounmap(hdmi->htop1);
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iounmap(hdmi->base);
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release_mem_region(res->start, resource_size(res));
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kfree(hdmi);
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@ -38,6 +38,7 @@ struct clk;
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/* Chip specific option */
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#define HDMI_32BIT_REG (1 << 8)
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#define HDMI_HAS_HTOP1 (1 << 9)
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struct sh_mobile_hdmi_info {
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unsigned int flags;
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