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-rw-r--r--arch/arm/include/asm/arch-mx6/imx-regs.h3
-rw-r--r--arch/arm/include/asm/arch-mx6/mx6sl_pins.h45
-rw-r--r--board/freescale/mx6qsabresd/mx6qsabresd.c324
-rw-r--r--board/freescale/mx6slevk/mx6slevk.c320
-rw-r--r--drivers/video/Makefile1
-rw-r--r--drivers/video/mxc_epdc_fb.c467
-rw-r--r--include/configs/mx6qsabresd.h33
-rw-r--r--include/configs/mx6slevk.h33
-rw-r--r--include/lcd.h53
-rw-r--r--include/mxc_epdc_fb.h458
10 files changed, 1737 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-mx6/imx-regs.h b/arch/arm/include/asm/arch-mx6/imx-regs.h
index 3b3fc95..344fc0e 100644
--- a/arch/arm/include/asm/arch-mx6/imx-regs.h
+++ b/arch/arm/include/asm/arch-mx6/imx-regs.h
@@ -173,6 +173,7 @@
#define DCIC2_BASE_ADDR (AIPS1_OFF_BASE_ADDR + 0x68000)
#define DMA_REQ_PORT_HOST_BASE_ADDR (AIPS1_OFF_BASE_ADDR + 0x6C000)
#endif
+#define EPDC_BASE_ADDR (AIPS1_OFF_BASE_ADDR + 0x74000)
#define AIPS2_ON_BASE_ADDR (ATZ2_BASE_ADDR + 0x7C000)
#define AIPS2_OFF_BASE_ADDR (ATZ2_BASE_ADDR + 0x80000)
@@ -493,6 +494,8 @@ struct cspi_regs {
#define CLKCTL_CCGR7 0x84
#define CLKCTL_CMEOR 0x88
+#define ANATOP_PLL_VIDEO 0xA0
+
struct iim_regs {
u32 ctrl;
u32 ctrl_set;
diff --git a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
index cdfeb5f..df8f04d 100644
--- a/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
+++ b/arch/arm/include/asm/arch-mx6/mx6sl_pins.h
@@ -38,5 +38,50 @@ enum {
MX6_PAD_I2C1_SDA__GPIO_3_13 = IOMUX_PAD(0x0450, 0x0160, 5, 0x0000, 0, 0),
MX6_PAD_I2C1_SCL__I2C1_SCL = IOMUX_PAD(0x044C, 0x015C, 0x10, 0x071C, 2, 0),
MX6_PAD_I2C1_SCL__GPIO_3_12 = IOMUX_PAD(0x044C, 0x015C, 5, 0x0000, 0, 0),
+
+ MX6_PAD_EPDC_PWRSTAT__GPIO_2_13 = IOMUX_PAD(0x03E8, 0x00F8, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_VCOM0__GPIO_2_3 = IOMUX_PAD(0x0410, 0x0120, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_PWRWAKEUP__GPIO_2_14 = IOMUX_PAD(0x03EC, 0x00FC, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_PWRCTRL0__GPIO_2_7 = IOMUX_PAD(0x03D4, 0x00E4, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D0__EPDC_SDDO_0 = IOMUX_PAD(0x0380, 0x0090, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D1__EPDC_SDDO_1 = IOMUX_PAD(0x0384, 0x0094, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D2__EPDC_SDDO_2 = IOMUX_PAD(0x03A0, 0x00B0, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D3__EPDC_SDDO_3 = IOMUX_PAD(0x03A4, 0x00B4, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D4__EPDC_SDDO_4 = IOMUX_PAD(0x03A8, 0x00B8, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D5__EPDC_SDDO_5 = IOMUX_PAD(0x03AC, 0x00BC, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D6__EPDC_SDDO_6 = IOMUX_PAD(0x03B0, 0x00C0, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D7__EPDC_SDDO_7 = IOMUX_PAD(0x03B4, 0x00C4, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDCLK__EPDC_GDCLK = IOMUX_PAD(0x03C0, 0x00D0, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDSP__EPDC_GDSP = IOMUX_PAD(0x03CC, 0x00DC, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDOE__EPDC_GDOE = IOMUX_PAD(0x03C4, 0x00D4, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDRL__EPDC_GDRL = IOMUX_PAD(0x03C8, 0x00D8, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCLK__EPDC_SDCLK = IOMUX_PAD(0x0400, 0x0110, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDOE__EPDC_SDOE = IOMUX_PAD(0x0408, 0x0118, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDLE__EPDC_SDLE = IOMUX_PAD(0x0404, 0x0114, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDSHR__EPDC_SDSHR = IOMUX_PAD(0x040C, 0x011C, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_BDR0__EPDC_BDR_0 = IOMUX_PAD(0x0378, 0x0088, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE0__EPDC_SDCE_0 = IOMUX_PAD(0x03F0, 0x0100, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE1__EPDC_SDCE_1 = IOMUX_PAD(0x03F4, 0x0104, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE2__EPDC_SDCE_2 = IOMUX_PAD(0x03F8, 0x0108, 0, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D0__GPIO_1_7 = IOMUX_PAD(0x0380, 0x0090, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D1__GPIO_1_8 = IOMUX_PAD(0x0384, 0x0094, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D2__GPIO_1_9 = IOMUX_PAD(0x03A0, 0x00B0, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D3__GPIO_1_10 = IOMUX_PAD(0x03A4, 0x00B4, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D4__GPIO_1_11 = IOMUX_PAD(0x03A8, 0x00B8, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D5__GPIO_1_12 = IOMUX_PAD(0x03AC, 0x00BC, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D6__GPIO_1_13 = IOMUX_PAD(0x03B0, 0x00C0, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_D7__GPIO_1_14 = IOMUX_PAD(0x03B4, 0x00C4, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDCLK__GPIO_1_31 = IOMUX_PAD(0x03C0, 0x00D0, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDSP__GPIO_2_2 = IOMUX_PAD(0x03CC, 0x00DC, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDOE__GPIO_2_0 = IOMUX_PAD(0x03C4, 0x00D4, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_GDRL__GPIO_2_1 = IOMUX_PAD(0x03C8, 0x00D8, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCLK__GPIO_1_23 = IOMUX_PAD(0x0400, 0x0110, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDOE__GPIO_1_25 = IOMUX_PAD(0x0408, 0x0118, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDLE__GPIO_1_24 = IOMUX_PAD(0x0404, 0x0114, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDSHR__GPIO_1_26 = IOMUX_PAD(0x040C, 0x011C, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_BDR0__GPIO_2_5 = IOMUX_PAD(0x0378, 0x0088, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE0__GPIO_1_27 = IOMUX_PAD(0x03F0, 0x0100, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE1__GPIO_1_28 = IOMUX_PAD(0x03F4, 0x0104, 5, 0x0000, 0, 0),
+ MX6_PAD_EPDC_SDCE2__GPIO_1_29 = IOMUX_PAD(0x03F8, 0x0108, 5, 0x0000, 0, 0),
};
#endif /* __ASM_ARCH_MX6_MX6SL_PINS_H__ */
diff --git a/board/freescale/mx6qsabresd/mx6qsabresd.c b/board/freescale/mx6qsabresd/mx6qsabresd.c
index aa53541..8617228 100644
--- a/board/freescale/mx6qsabresd/mx6qsabresd.c
+++ b/board/freescale/mx6qsabresd/mx6qsabresd.c
@@ -38,6 +38,11 @@
#include <miiphy.h>
#include <netdev.h>
+#if defined(CONFIG_MXC_EPDC)
+#include <lcd.h>
+#include <mxc_epdc_fb.h>
+#endif
+
DECLARE_GLOBAL_DATA_PTR;
#define UART_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
@@ -61,6 +66,9 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+#define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
#if CONFIG_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C2 Camera, MIPI, pfuze */
@@ -177,6 +185,52 @@ iomux_v3_cfg_t const usdhc4_pads[] = {
MX6_PAD_SD4_DAT7__USDHC4_DAT7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
};
+static iomux_v3_cfg_t const epdc_enable_pads[] = {
+ MX6_PAD_EIM_A16__EPDC_SDDO_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA10__EPDC_SDDO_1 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA12__EPDC_SDDO_2 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA11__EPDC_SDDO_3 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_LBA__EPDC_SDDO_4 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_EB2__EPDC_SDDO_5 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_CS0__EPDC_SDDO_6 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_RW__EPDC_SDDO_7 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_A21__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_A22__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_A23__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_A24__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_D31__EPDC_SDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_D27__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA1__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_EB1__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA2__EPDC_BDR_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA4__EPDC_SDCE_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA5__EPDC_SDCE_1 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EIM_DA6__EPDC_SDCE_2 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const epdc_disable_pads[] = {
+ MX6_PAD_EIM_A16__GPIO_2_22,
+ MX6_PAD_EIM_DA10__GPIO_3_10,
+ MX6_PAD_EIM_DA12__GPIO_3_12,
+ MX6_PAD_EIM_DA11__GPIO_3_11,
+ MX6_PAD_EIM_LBA__GPIO_2_27,
+ MX6_PAD_EIM_EB2__GPIO_2_30,
+ MX6_PAD_EIM_CS0__GPIO_2_23,
+ MX6_PAD_EIM_RW__GPIO_2_26,
+ MX6_PAD_EIM_A21__GPIO_2_17,
+ MX6_PAD_EIM_A22__GPIO_2_16,
+ MX6_PAD_EIM_A23__GPIO_6_6,
+ MX6_PAD_EIM_A24__GPIO_5_4,
+ MX6_PAD_EIM_D31__GPIO_3_31,
+ MX6_PAD_EIM_D27__GPIO_3_27,
+ MX6_PAD_EIM_DA1__GPIO_3_1,
+ MX6_PAD_EIM_EB1__GPIO_2_29,
+ MX6_PAD_EIM_DA2__GPIO_3_2,
+ MX6_PAD_EIM_DA4__GPIO_3_4,
+ MX6_PAD_EIM_DA5__GPIO_3_5,
+ MX6_PAD_EIM_DA6__GPIO_3_6,
+};
+
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
@@ -434,6 +488,272 @@ int board_mmc_init(bd_t *bis)
}
#endif
+#ifdef CONFIG_MXC_EPDC
+#ifdef CONFIG_SPLASH_SCREEN
+extern int mmc_get_env_devno(void);
+int setup_splash_img(void)
+{
+#ifdef CONFIG_SPLASH_IS_IN_MMC
+ int mmc_dev = mmc_get_env_devno();
+ ulong offset = CONFIG_SPLASH_IMG_OFFSET;
+ ulong size = CONFIG_SPLASH_IMG_SIZE;
+ ulong addr = 0;
+ char *s = NULL;
+ struct mmc *mmc = find_mmc_device(mmc_dev);
+ uint blk_start, blk_cnt, n;
+
+ s = getenv("splashimage");
+
+ if (NULL == s) {
+ puts("env splashimage not found!\n");
+ return -1;
+ }
+ addr = simple_strtoul(s, NULL, 16);
+
+ if (!mmc) {
+ printf("MMC Device %d not found\n", mmc_dev);
+ return -1;
+ }
+
+ if (mmc_init(mmc)) {
+ puts("MMC init failed\n");
+ return -1;
+ }
+
+ blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
+ blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+ n = mmc->block_dev.block_read(mmc_dev, blk_start,
+ blk_cnt, (u_char *)addr);
+ flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len);
+
+ return (n == blk_cnt) ? 0 : -1;
+#endif
+
+ return 0;
+}
+#endif
+
+vidinfo_t panel_info = {
+ .vl_refresh = 85,
+ .vl_col = 800,
+ .vl_row = 600,
+ .vl_pixclock = 26666667,
+ .vl_left_margin = 8,
+ .vl_right_margin = 100,
+ .vl_upper_margin = 4,
+ .vl_lower_margin = 8,
+ .vl_hsync = 4,
+ .vl_vsync = 1,
+ .vl_sync = 0,
+ .vl_mode = 0,
+ .vl_flag = 0,
+ .vl_bpix = 3,
+ .cmap = 0,
+};
+
+struct epdc_timing_params panel_timings = {
+ .vscan_holdoff = 4,
+ .sdoed_width = 10,
+ .sdoed_delay = 20,
+ .sdoez_width = 10,
+ .sdoez_delay = 20,
+ .gdclk_hp_offs = 419,
+ .gdsp_offs = 20,
+ .gdoe_offs = 0,
+ .gdclk_offs = 5,
+ .num_ce = 1,
+};
+
+static void setup_epdc_power(void)
+{
+ /* Setup epdc voltage */
+
+ /* EIM_A17 - GPIO2[21] for PWR_GOOD status */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A17__GPIO_2_21 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ /* Set as input */
+ gpio_direction_input(IMX_GPIO_NR(2, 21));
+
+ /* EIM_D17 - GPIO3[17] for VCOM control */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D17__GPIO_3_17 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(3, 17), 1);
+
+ /* EIM_D20 - GPIO3[20] for EPD PMIC WAKEUP */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D20__GPIO_3_20 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(3, 20), 1);
+
+ /* EIM_A18 - GPIO2[20] for EPD PWR CTL0 */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A18__GPIO_2_20 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(2, 20), 1);
+}
+
+int setup_waveform_file(void)
+{
+#ifdef CONFIG_WAVEFORM_FILE_IN_MMC
+ int mmc_dev = mmc_get_env_devno();
+ ulong offset = CONFIG_WAVEFORM_FILE_OFFSET;
+ ulong size = CONFIG_WAVEFORM_FILE_SIZE;
+ ulong addr = CONFIG_WAVEFORM_BUF_ADDR;
+ struct mmc *mmc = find_mmc_device(mmc_dev);
+ uint blk_start, blk_cnt, n;
+
+ if (!mmc) {
+ printf("MMC Device %d not found\n", mmc_dev);
+ return -1;
+ }
+
+ if (mmc_init(mmc)) {
+ puts("MMC init failed\n");
+ return -1;
+ }
+
+ blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
+ blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+ n = mmc->block_dev.block_read(mmc_dev, blk_start,
+ blk_cnt, (u_char *)addr);
+ flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len);
+
+ return (n == blk_cnt) ? 0 : -1;
+#else
+ return -1;
+#endif
+}
+
+static void epdc_enable_pins(void)
+{
+ /* epdc iomux settings */
+ imx_iomux_v3_setup_multiple_pads(epdc_enable_pads,
+ ARRAY_SIZE(epdc_enable_pads));
+}
+
+static void epdc_disable_pins(void)
+{
+ /* Configure MUX settings for EPDC pins to GPIO */
+ imx_iomux_v3_setup_multiple_pads(epdc_disable_pads,
+ ARRAY_SIZE(epdc_disable_pads));
+}
+
+static void setup_epdc(void)
+{
+ unsigned int reg;
+
+ /*** epdc Maxim PMIC settings ***/
+
+ /* EPDC PWRSTAT - GPIO2[21] for PWR_GOOD status */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A17__GPIO_2_21 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* EPDC VCOM0 - GPIO3[17] for VCOM control */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D17__GPIO_3_17 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* UART4 TXD - GPIO3[20] for EPD PMIC WAKEUP */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_D20__GPIO_3_20 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* EIM_A18 - GPIO2[20] for EPD PWR CTL0 */
+ imx_iomux_v3_setup_pad(MX6_PAD_EIM_A18__GPIO_2_20 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /*** Set pixel clock rates for EPDC ***/
+
+ /* EPDC AXI clk (IPU2_CLK) from PFD_400M, set to 396/2 = 198MHz */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CSCDR3);
+ reg &= ~0x7C000;
+ reg |= (1 << 16) | (1 << 14);
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CSCDR3);
+
+ /* EPDC AXI clk enable */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR3);
+ reg |= 0x00C0;
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR3);
+
+ /* EPDC PIX clk (IPU2_DI1_CLK) from PLL5, set to 650/4/6 = ~27MHz */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CSCDR2);
+ reg &= ~0x3FE00;
+ reg |= (2 << 15) | (5 << 12);
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CSCDR2);
+
+ /* PLL5 enable (defaults to 650) */
+ reg = readl(ANATOP_BASE_ADDR + ANATOP_PLL_VIDEO);
+ reg &= ~((1 << 16) | (1 << 12));
+ reg |= (1 << 13);
+ writel(reg, ANATOP_BASE_ADDR + ANATOP_PLL_VIDEO);
+
+ /* EPDC PIX clk enable */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR3);
+ reg |= 0x0C00;
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR3);
+
+ panel_info.epdc_data.working_buf_addr = CONFIG_WORKING_BUF_ADDR;
+ panel_info.epdc_data.waveform_buf_addr = CONFIG_WAVEFORM_BUF_ADDR;
+
+ panel_info.epdc_data.wv_modes.mode_init = 0;
+ panel_info.epdc_data.wv_modes.mode_du = 1;
+ panel_info.epdc_data.wv_modes.mode_gc4 = 3;
+ panel_info.epdc_data.wv_modes.mode_gc8 = 2;
+ panel_info.epdc_data.wv_modes.mode_gc16 = 2;
+ panel_info.epdc_data.wv_modes.mode_gc32 = 2;
+
+ panel_info.epdc_data.epdc_timings = panel_timings;
+
+ setup_epdc_power();
+
+ /* Assign fb_base */
+ gd->fb_base = CONFIG_FB_BASE;
+}
+
+void epdc_power_on(void)
+{
+ unsigned int reg;
+
+ /* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */
+ gpio_set_value(IMX_GPIO_NR(2, 20), 1);
+ udelay(1000);
+
+ /* Enable epdc signal pin */
+ epdc_enable_pins();
+
+ /* Set PMIC Wakeup to high - enable Display power */
+ gpio_set_value(IMX_GPIO_NR(3, 20), 1);
+
+ /* Wait for PWRGOOD == 1 */
+ while (1) {
+ reg = readl(GPIO2_BASE_ADDR + GPIO_PSR);
+ if (!(reg & (1 << 21)))
+ break;
+
+ udelay(100);
+ }
+
+ /* Enable VCOM */
+ gpio_set_value(IMX_GPIO_NR(3, 17), 1);
+
+ udelay(500);
+}
+
+void epdc_power_off(void)
+{
+ /* Set PMIC Wakeup to low - disable Display power */
+ gpio_set_value(IMX_GPIO_NR(3, 20), 0);
+
+ /* Disable VCOM */
+ gpio_set_value(IMX_GPIO_NR(3, 17), 0);
+
+ epdc_disable_pins();
+
+ /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */
+ gpio_set_value(IMX_GPIO_NR(2, 20), 0);
+}
+#endif
+
#ifdef CONFIG_CMD_SATA
int setup_sata(void)
{
@@ -524,6 +844,10 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+#ifdef CONFIG_MXC_EPDC
+ setup_epdc();
+#endif
+
return 0;
}
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index 4cc9604..334c49f 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -26,6 +26,10 @@
#include <i2c.h>
#include <asm/imx-common/mxc_i2c.h>
#endif
+#if defined(CONFIG_MXC_EPDC)
+#include <lcd.h>
+#include <mxc_epdc_fb.h>
+#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -46,6 +50,9 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
PAD_CTL_ODE | PAD_CTL_SRE_FAST)
+#define EPDC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_SPEED_MED | \
+ PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
+
#if CONFIG_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
@@ -98,6 +105,52 @@ static iomux_v3_cfg_t const fec_pads[] = {
MX6_PAD_FEC_TX_CLK__GPIO_4_21 | MUX_PAD_CTRL(NO_PAD_CTRL),
};
+static iomux_v3_cfg_t const epdc_enable_pads[] = {
+ MX6_PAD_EPDC_D0__EPDC_SDDO_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D1__EPDC_SDDO_1 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D2__EPDC_SDDO_2 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D3__EPDC_SDDO_3 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D4__EPDC_SDDO_4 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D5__EPDC_SDDO_5 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D6__EPDC_SDDO_6 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_D7__EPDC_SDDO_7 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_GDCLK__EPDC_GDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_GDSP__EPDC_GDSP | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_GDOE__EPDC_GDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_GDRL__EPDC_GDRL | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDCLK__EPDC_SDCLK | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDOE__EPDC_SDOE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDLE__EPDC_SDLE | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDSHR__EPDC_SDSHR | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_BDR0__EPDC_BDR_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDCE0__EPDC_SDCE_0 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDCE1__EPDC_SDCE_1 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+ MX6_PAD_EPDC_SDCE2__EPDC_SDCE_2 | MUX_PAD_CTRL(EPDC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const epdc_disable_pads[] = {
+ MX6_PAD_EPDC_D0__GPIO_1_7,
+ MX6_PAD_EPDC_D1__GPIO_1_8,
+ MX6_PAD_EPDC_D2__GPIO_1_9,
+ MX6_PAD_EPDC_D3__GPIO_1_10,
+ MX6_PAD_EPDC_D4__GPIO_1_11,
+ MX6_PAD_EPDC_D5__GPIO_1_12,
+ MX6_PAD_EPDC_D6__GPIO_1_13,
+ MX6_PAD_EPDC_D7__GPIO_1_14,
+ MX6_PAD_EPDC_GDCLK__GPIO_1_31,
+ MX6_PAD_EPDC_GDSP__GPIO_2_2,
+ MX6_PAD_EPDC_GDOE__GPIO_2_0,
+ MX6_PAD_EPDC_GDRL__GPIO_2_1,
+ MX6_PAD_EPDC_SDCLK__GPIO_1_23,
+ MX6_PAD_EPDC_SDOE__GPIO_1_25,
+ MX6_PAD_EPDC_SDLE__GPIO_1_24,
+ MX6_PAD_EPDC_SDSHR__GPIO_1_26,
+ MX6_PAD_EPDC_BDR0__GPIO_2_5,
+ MX6_PAD_EPDC_SDCE0__GPIO_1_27,
+ MX6_PAD_EPDC_SDCE1__GPIO_1_28,
+ MX6_PAD_EPDC_SDCE2__GPIO_1_29,
+};
+
static void setup_iomux_uart(void)
{
imx_iomux_v3_setup_multiple_pads(uart1_pads, ARRAY_SIZE(uart1_pads));
@@ -130,6 +183,270 @@ int board_mmc_init(bd_t *bis)
return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
}
+#ifdef CONFIG_MXC_EPDC
+#ifdef CONFIG_SPLASH_SCREEN
+extern int mmc_get_env_devno(void);
+int setup_splash_img(void)
+{
+#ifdef CONFIG_SPLASH_IS_IN_MMC
+ int mmc_dev = mmc_get_env_devno();
+ ulong offset = CONFIG_SPLASH_IMG_OFFSET;
+ ulong size = CONFIG_SPLASH_IMG_SIZE;
+ ulong addr = 0;
+ char *s = NULL;
+ struct mmc *mmc = find_mmc_device(mmc_dev);
+ uint blk_start, blk_cnt, n;
+
+ s = getenv("splashimage");
+
+ if (NULL == s) {
+ puts("env splashimage not found!\n");
+ return -1;
+ }
+ addr = simple_strtoul(s, NULL, 16);
+
+ if (!mmc) {
+ printf("MMC Device %d not found\n", mmc_dev);
+ return -1;
+ }
+
+ if (mmc_init(mmc)) {
+ puts("MMC init failed\n");
+ return -1;
+ }
+
+ blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
+ blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+ n = mmc->block_dev.block_read(mmc_dev, blk_start,
+ blk_cnt, (u_char *)addr);
+ flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len);
+
+ return (n == blk_cnt) ? 0 : -1;
+#endif
+
+ return 0;
+}
+#endif
+
+vidinfo_t panel_info = {
+ .vl_refresh = 85,
+ .vl_col = 800,
+ .vl_row = 600,
+ .vl_pixclock = 26666667,
+ .vl_left_margin = 8,
+ .vl_right_margin = 100,
+ .vl_upper_margin = 4,
+ .vl_lower_margin = 8,
+ .vl_hsync = 4,
+ .vl_vsync = 1,
+ .vl_sync = 0,
+ .vl_mode = 0,
+ .vl_flag = 0,
+ .vl_bpix = 3,
+ .cmap = 0,
+};
+
+struct epdc_timing_params panel_timings = {
+ .vscan_holdoff = 4,
+ .sdoed_width = 10,
+ .sdoed_delay = 20,
+ .sdoez_width = 10,
+ .sdoez_delay = 20,
+ .gdclk_hp_offs = 419,
+ .gdsp_offs = 20,
+ .gdoe_offs = 0,
+ .gdclk_offs = 5,
+ .num_ce = 1,
+};
+
+static void setup_epdc_power(void)
+{
+ /* Setup epdc voltage */
+
+ /* EPDC_PWRSTAT - GPIO2[13] for PWR_GOOD status */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRSTAT__GPIO_2_13 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ gpio_direction_input(IMX_GPIO_NR(2, 13));
+
+ /* EPDC_VCOM0 - GPIO2[3] for VCOM control */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO_2_3 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(2, 3), 1);
+
+ /* EPDC_PWRWAKEUP - GPIO2[14] for EPD PMIC WAKEUP */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRWAKEUP__GPIO_2_14 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(2, 14), 1);
+
+ /* EPDC_PWRCTRL0 - GPIO2[7] for EPD PWR CTL0 */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRCTRL0__GPIO_2_7 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+ /* Set as output */
+ gpio_direction_output(IMX_GPIO_NR(2, 7), 1);
+}
+
+int setup_waveform_file(void)
+{
+#ifdef CONFIG_WAVEFORM_FILE_IN_MMC
+ int mmc_dev = mmc_get_env_devno();
+ ulong offset = CONFIG_WAVEFORM_FILE_OFFSET;
+ ulong size = CONFIG_WAVEFORM_FILE_SIZE;
+ ulong addr = CONFIG_WAVEFORM_BUF_ADDR;
+ struct mmc *mmc = find_mmc_device(mmc_dev);
+ uint blk_start, blk_cnt, n;
+
+ if (!mmc) {
+ printf("MMC Device %d not found\n", mmc_dev);
+ return -1;
+ }
+
+ if (mmc_init(mmc)) {
+ puts("MMC init failed\n");
+ return -1;
+ }
+
+ blk_start = ALIGN(offset, mmc->read_bl_len) / mmc->read_bl_len;
+ blk_cnt = ALIGN(size, mmc->read_bl_len) / mmc->read_bl_len;
+ n = mmc->block_dev.block_read(mmc_dev, blk_start,
+ blk_cnt, (u_char *)addr);
+ flush_cache((ulong)addr, blk_cnt * mmc->read_bl_len);
+
+ return (n == blk_cnt) ? 0 : -1;
+#else
+ return -1;
+#endif
+}
+
+static void epdc_enable_pins(void)
+{
+ /* epdc iomux settings */
+ imx_iomux_v3_setup_multiple_pads(epdc_enable_pads,
+ ARRAY_SIZE(epdc_enable_pads));
+}
+
+static void epdc_disable_pins(void)
+{
+ /* Configure MUX settings for EPDC pins to GPIO and drive to 0 */
+ imx_iomux_v3_setup_multiple_pads(epdc_disable_pads,
+ ARRAY_SIZE(epdc_disable_pads));
+}
+
+static void setup_epdc(void)
+{
+ unsigned int reg;
+
+ /*** epdc Maxim PMIC settings ***/
+
+ /* EPDC PWRSTAT - GPIO2[13] for PWR_GOOD status */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRSTAT__GPIO_2_13 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* EPDC VCOM0 - GPIO2[3] for VCOM control */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_VCOM0__GPIO_2_3 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* UART4 TXD - GPIO2[14] for EPD PMIC WAKEUP */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRWAKEUP__GPIO_2_14 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /* EIM_A18 - GPIO2[7] for EPD PWR CTL0 */
+ imx_iomux_v3_setup_pad(MX6_PAD_EPDC_PWRCTRL0__GPIO_2_7 |
+ MUX_PAD_CTRL(EPDC_PAD_CTRL));
+
+ /*** Set pixel clock rates for EPDC ***/
+
+ /* EPDC AXI clk from PFD_400M, set to 396/2 = 198MHz */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CHSCCDR);
+ reg &= ~0x3F000;
+ reg |= (0x4 << 15) | (1 << 12);
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CHSCCDR);
+
+ /* EPDC AXI clk enable */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR3);
+ reg |= 0x0030;
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR3);
+
+ /* EPDC PIX clk from PFD_540M, set to 540/4/5 = 27MHz */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CSCDR2);
+ reg &= ~0x03F000;
+ reg |= (0x5 << 15) | (4 << 12);
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CSCDR2);
+
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CBCMR);
+ reg &= ~0x03800000;
+ reg |= (0x3 << 23);
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CBCMR);
+
+ /* EPDC PIX clk enable */
+ reg = readl(CCM_BASE_ADDR + CLKCTL_CCGR3);
+ reg |= 0x0C00;
+ writel(reg, CCM_BASE_ADDR + CLKCTL_CCGR3);
+
+ panel_info.epdc_data.working_buf_addr = CONFIG_WORKING_BUF_ADDR;
+ panel_info.epdc_data.waveform_buf_addr = CONFIG_WAVEFORM_BUF_ADDR;
+
+ panel_info.epdc_data.wv_modes.mode_init = 0;
+ panel_info.epdc_data.wv_modes.mode_du = 1;
+ panel_info.epdc_data.wv_modes.mode_gc4 = 3;
+ panel_info.epdc_data.wv_modes.mode_gc8 = 2;
+ panel_info.epdc_data.wv_modes.mode_gc16 = 2;
+ panel_info.epdc_data.wv_modes.mode_gc32 = 2;
+
+ panel_info.epdc_data.epdc_timings = panel_timings;
+
+ setup_epdc_power();
+
+ /* Assign fb_base */
+ gd->fb_base = CONFIG_FB_BASE;
+}
+
+void epdc_power_on(void)
+{
+ unsigned int reg;
+
+ /* Set EPD_PWR_CTL0 to high - enable EINK_VDD (3.15) */
+ gpio_set_value(IMX_GPIO_NR(2, 7), 1);
+ udelay(1000);
+
+ /* Enable epdc signal pin */
+ epdc_enable_pins();
+
+ /* Set PMIC Wakeup to high - enable Display power */
+ gpio_set_value(IMX_GPIO_NR(2, 14), 1);
+
+ /* Wait for PWRGOOD == 1 */
+ while (1) {
+ reg = readl(GPIO2_BASE_ADDR + GPIO_PSR);
+ if (!(reg & (1 << 13)))
+ break;
+
+ udelay(100);
+ }
+
+ /* Enable VCOM */
+ gpio_set_value(IMX_GPIO_NR(2, 3), 1);
+
+ udelay(500);
+}
+
+void epdc_power_off(void)
+{
+ /* Set PMIC Wakeup to low - disable Display power */
+ gpio_set_value(IMX_GPIO_NR(2, 14), 0);
+
+ /* Disable VCOM */
+ gpio_set_value(IMX_GPIO_NR(2, 3), 0);
+
+ epdc_disable_pins();
+
+ /* Set EPD_PWR_CTL0 to low - disable EINK_VDD (3.15) */
+ gpio_set_value(IMX_GPIO_NR(2, 7), 0);
+}
+#endif
+
#ifdef CONFIG_FEC_MXC
int board_eth_init(bd_t *bis)
{
@@ -282,6 +599,9 @@ int board_init(void)
setup_fec();
#endif
+#ifdef CONFIG_MXC_EPDC
+ setup_epdc();
+#endif
return 0;
}
diff --git a/drivers/video/Makefile b/drivers/video/Makefile
index 53952ab..6bc81ff 100644
--- a/drivers/video/Makefile
+++ b/drivers/video/Makefile
@@ -36,6 +36,7 @@ COBJS-$(CONFIG_EXYNOS_MIPI_DSIM) += exynos_mipi_dsi.o exynos_mipi_dsi_common.o \
COBJS-$(CONFIG_EXYNOS_PWM_BL) += exynos_pwm_bl.o
COBJS-$(CONFIG_FSL_DIU_FB) += fsl_diu_fb.o videomodes.o
COBJS-$(CONFIG_MPC8XX_LCD) += mpc8xx_lcd.o
+COBJS-$(CONFIG_MXC_EPDC) += mxc_epdc_fb.o
COBJS-$(CONFIG_PXA_LCD) += pxa_lcd.o
COBJS-$(CONFIG_S6E8AX0) += s6e8ax0.o
COBJS-$(CONFIG_S6E63D6) += s6e63d6.o
diff --git a/drivers/video/mxc_epdc_fb.c b/drivers/video/mxc_epdc_fb.c
new file mode 100644
index 0000000..044d36d
--- /dev/null
+++ b/drivers/video/mxc_epdc_fb.c
@@ -0,0 +1,467 @@
+/*
+ * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+/*
+ * Based on STMP378X LCDIF
+ * Copyright 2008 Embedded Alley Solutions, Inc All Rights Reserved.
+ */
+
+#include <common.h>
+#include <lcd.h>
+#include <linux/list.h>
+#include <linux/err.h>
+#include <linux/types.h>
+
+#include <mxc_epdc_fb.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void *lcd_base; /* Start of framebuffer memory */
+void *lcd_console_address; /* Start of console buffer */
+
+int lcd_color_fg;
+int lcd_color_bg;
+
+short console_col;
+short console_row;
+
+int rev;
+
+void lcd_initcolregs(void)
+{
+}
+
+void lcd_setcolreg(ushort regno, ushort red, ushort green, ushort blue)
+{
+}
+
+#define TEMP_USE_DEFAULT 8
+
+#define UPDATE_MODE_PARTIAL 0x0
+#define UPDATE_MODE_FULL 0x1
+
+#define TRUE 1
+#define FALSE 0
+
+#define msleep(a) udelay(a * 1000)
+
+
+/********************************************************
+ * Start Low-Level EPDC Functions
+ ********************************************************/
+
+static inline void epdc_set_screen_res(u32 width, u32 height)
+{
+ u32 val = (height << EPDC_RES_VERTICAL_OFFSET) | width;
+
+ REG_WR(EPDC_BASE, EPDC_RES, val);
+}
+
+static inline void epdc_set_update_coord(u32 x, u32 y)
+{
+ u32 val = (y << EPDC_UPD_CORD_YCORD_OFFSET) | x;
+
+ REG_WR(EPDC_BASE, EPDC_UPD_CORD, val);
+}
+
+static inline void epdc_set_update_dimensions(u32 width, u32 height)
+{
+ u32 val = (height << EPDC_UPD_SIZE_HEIGHT_OFFSET) | width;
+
+ REG_WR(EPDC_BASE, EPDC_UPD_SIZE, val);
+}
+
+static void epdc_submit_update(u32 lut_num, u32 waveform_mode, u32 update_mode,
+ int use_test_mode, u32 np_val)
+{
+ u32 reg_val = 0;
+
+ if (use_test_mode) {
+ reg_val |=
+ ((np_val << EPDC_UPD_FIXED_FIXNP_OFFSET) &
+ EPDC_UPD_FIXED_FIXNP_MASK) | EPDC_UPD_FIXED_FIXNP_EN;
+
+ REG_WR(EPDC_BASE, EPDC_UPD_FIXED, reg_val);
+
+ reg_val = EPDC_UPD_CTRL_USE_FIXED;
+ } else {
+ REG_WR(EPDC_BASE, EPDC_UPD_FIXED, reg_val);
+ }
+
+ reg_val |=
+ ((lut_num << EPDC_UPD_CTRL_LUT_SEL_OFFSET) &
+ EPDC_UPD_CTRL_LUT_SEL_MASK) |
+ ((waveform_mode << EPDC_UPD_CTRL_WAVEFORM_MODE_OFFSET) &
+ EPDC_UPD_CTRL_WAVEFORM_MODE_MASK) |
+ update_mode;
+
+ REG_WR(EPDC_BASE, EPDC_UPD_CTRL, reg_val);
+}
+
+static inline int epdc_is_lut_active(u32 lut_num)
+{
+ u32 val = REG_RD(EPDC_BASE, EPDC_STATUS_LUTS);
+ int is_active = val & (1 << lut_num) ? TRUE : FALSE;
+
+ return is_active;
+}
+
+static void epdc_set_horizontal_timing(u32 horiz_start, u32 horiz_end,
+ u32 hsync_width, u32 hsync_line_length)
+{
+ u32 reg_val =
+ ((hsync_width << EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_OFFSET) &
+ EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_MASK)
+ | ((hsync_line_length << EPDC_TCE_HSCAN1_LINE_SYNC_OFFSET) &
+ EPDC_TCE_HSCAN1_LINE_SYNC_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_HSCAN1, reg_val);
+
+ reg_val =
+ ((horiz_start << EPDC_TCE_HSCAN2_LINE_BEGIN_OFFSET) &
+ EPDC_TCE_HSCAN2_LINE_BEGIN_MASK)
+ | ((horiz_end << EPDC_TCE_HSCAN2_LINE_END_OFFSET) &
+ EPDC_TCE_HSCAN2_LINE_END_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_HSCAN2, reg_val);
+}
+
+static void epdc_set_vertical_timing(u32 vert_start, u32 vert_end,
+ u32 vsync_width)
+{
+ u32 reg_val =
+ ((vert_start << EPDC_TCE_VSCAN_FRAME_BEGIN_OFFSET) &
+ EPDC_TCE_VSCAN_FRAME_BEGIN_MASK)
+ | ((vert_end << EPDC_TCE_VSCAN_FRAME_END_OFFSET) &
+ EPDC_TCE_VSCAN_FRAME_END_MASK)
+ | ((vsync_width << EPDC_TCE_VSCAN_FRAME_SYNC_OFFSET) &
+ EPDC_TCE_VSCAN_FRAME_SYNC_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_VSCAN, reg_val);
+}
+
+static void epdc_init_settings(void)
+{
+ u32 reg_val;
+ int num_ce;
+
+ /* EPDC_CTRL */
+ reg_val = REG_RD(EPDC_BASE, EPDC_CTRL);
+ reg_val &= ~EPDC_CTRL_UPD_DATA_SWIZZLE_MASK;
+ reg_val |= EPDC_CTRL_UPD_DATA_SWIZZLE_NO_SWAP;
+ reg_val &= ~EPDC_CTRL_LUT_DATA_SWIZZLE_MASK;
+ reg_val |= EPDC_CTRL_LUT_DATA_SWIZZLE_NO_SWAP;
+ REG_SET(EPDC_BASE, EPDC_CTRL, reg_val);
+
+ /* EPDC_FORMAT - 2bit TFT and 4bit Buf pixel format */
+ reg_val = EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT
+ | EPDC_FORMAT_BUF_PIXEL_FORMAT_P4N
+ | ((0x0 << EPDC_FORMAT_DEFAULT_TFT_PIXEL_OFFSET) &
+ EPDC_FORMAT_DEFAULT_TFT_PIXEL_MASK);
+ REG_WR(EPDC_BASE, EPDC_FORMAT, reg_val);
+
+ /* EPDC_FIFOCTRL (disabled) */
+ reg_val =
+ ((100 << EPDC_FIFOCTRL_FIFO_INIT_LEVEL_OFFSET) &
+ EPDC_FIFOCTRL_FIFO_INIT_LEVEL_MASK)
+ | ((200 << EPDC_FIFOCTRL_FIFO_H_LEVEL_OFFSET) &
+ EPDC_FIFOCTRL_FIFO_H_LEVEL_MASK)
+ | ((100 << EPDC_FIFOCTRL_FIFO_L_LEVEL_OFFSET) &
+ EPDC_FIFOCTRL_FIFO_L_LEVEL_MASK);
+ REG_WR(EPDC_BASE, EPDC_FIFOCTRL, reg_val);
+
+ /* EPDC_TEMP - Use default temperature */
+ REG_WR(EPDC_BASE, EPDC_TEMP, TEMP_USE_DEFAULT);
+
+ /* EPDC_RES */
+ epdc_set_screen_res(panel_info.vl_col, panel_info.vl_row);
+
+ /*
+ * EPDC_TCE_CTRL
+ * VSCAN_HOLDOFF = 4
+ * VCOM_MODE = MANUAL
+ * VCOM_VAL = 0
+ * DDR_MODE = DISABLED
+ * LVDS_MODE_CE = DISABLED
+ * LVDS_MODE = DISABLED
+ * DUAL_SCAN = DISABLED
+ * SDDO_WIDTH = 8bit
+ * PIXELS_PER_SDCLK = 4
+ */
+ reg_val =
+ ((panel_info.epdc_data.epdc_timings.vscan_holdoff <<
+ EPDC_TCE_CTRL_VSCAN_HOLDOFF_OFFSET) &
+ EPDC_TCE_CTRL_VSCAN_HOLDOFF_MASK)
+ | EPDC_TCE_CTRL_PIXELS_PER_SDCLK_4;
+ REG_WR(EPDC_BASE, EPDC_TCE_CTRL, reg_val);
+
+ /* EPDC_TCE_HSCAN */
+ epdc_set_horizontal_timing(panel_info.vl_left_margin,
+ panel_info.vl_right_margin,
+ panel_info.vl_hsync,
+ panel_info.vl_hsync);
+
+ /* EPDC_TCE_VSCAN */
+ epdc_set_vertical_timing(panel_info.vl_upper_margin,
+ panel_info.vl_lower_margin,
+ panel_info.vl_vsync);
+
+ /* EPDC_TCE_OE */
+ reg_val =
+ ((panel_info.epdc_data.epdc_timings.sdoed_width <<
+ EPDC_TCE_OE_SDOED_WIDTH_OFFSET) &
+ EPDC_TCE_OE_SDOED_WIDTH_MASK)
+ | ((panel_info.epdc_data.epdc_timings.sdoed_delay <<
+ EPDC_TCE_OE_SDOED_DLY_OFFSET) &
+ EPDC_TCE_OE_SDOED_DLY_MASK)
+ | ((panel_info.epdc_data.epdc_timings.sdoez_width <<
+ EPDC_TCE_OE_SDOEZ_WIDTH_OFFSET) &
+ EPDC_TCE_OE_SDOEZ_WIDTH_MASK)
+ | ((panel_info.epdc_data.epdc_timings.sdoez_delay <<
+ EPDC_TCE_OE_SDOEZ_DLY_OFFSET) &
+ EPDC_TCE_OE_SDOEZ_DLY_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_OE, reg_val);
+
+ /* EPDC_TCE_TIMING1 */
+ REG_WR(EPDC_BASE, EPDC_TCE_TIMING1, 0x0);
+
+ /* EPDC_TCE_TIMING2 */
+ reg_val =
+ ((panel_info.epdc_data.epdc_timings.gdclk_hp_offs <<
+ EPDC_TCE_TIMING2_GDCLK_HP_OFFSET) &
+ EPDC_TCE_TIMING2_GDCLK_HP_MASK)
+ | ((panel_info.epdc_data.epdc_timings.gdsp_offs <<
+ EPDC_TCE_TIMING2_GDSP_OFFSET_OFFSET) &
+ EPDC_TCE_TIMING2_GDSP_OFFSET_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_TIMING2, reg_val);
+
+ /* EPDC_TCE_TIMING3 */
+ reg_val =
+ ((panel_info.epdc_data.epdc_timings.gdoe_offs <<
+ EPDC_TCE_TIMING3_GDOE_OFFSET_OFFSET) &
+ EPDC_TCE_TIMING3_GDOE_OFFSET_MASK)
+ | ((panel_info.epdc_data.epdc_timings.gdclk_offs <<
+ EPDC_TCE_TIMING3_GDCLK_OFFSET_OFFSET) &
+ EPDC_TCE_TIMING3_GDCLK_OFFSET_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_TIMING3, reg_val);
+
+ /*
+ * EPDC_TCE_SDCFG
+ * SDCLK_HOLD = 1
+ * SDSHR = 1
+ * NUM_CE = 1
+ * SDDO_REFORMAT = FLIP_PIXELS
+ * SDDO_INVERT = DISABLED
+ * PIXELS_PER_CE = display horizontal resolution
+ */
+ num_ce = panel_info.epdc_data.epdc_timings.num_ce;
+ if (num_ce == 0)
+ num_ce = 1;
+ reg_val = EPDC_TCE_SDCFG_SDCLK_HOLD | EPDC_TCE_SDCFG_SDSHR
+ | ((num_ce << EPDC_TCE_SDCFG_NUM_CE_OFFSET) & EPDC_TCE_SDCFG_NUM_CE_MASK)
+ | EPDC_TCE_SDCFG_SDDO_REFORMAT_FLIP_PIXELS
+ | ((panel_info.vl_col << EPDC_TCE_SDCFG_PIXELS_PER_CE_OFFSET) &
+ EPDC_TCE_SDCFG_PIXELS_PER_CE_MASK);
+ REG_WR(EPDC_BASE, EPDC_TCE_SDCFG, reg_val);
+
+ /*
+ * EPDC_TCE_GDCFG
+ * GDRL = 1
+ * GDOE_MODE = 0;
+ * GDSP_MODE = 0;
+ */
+ reg_val = EPDC_TCE_SDCFG_GDRL;
+ REG_WR(EPDC_BASE, EPDC_TCE_GDCFG, reg_val);
+
+ /*
+ * EPDC_TCE_POLARITY
+ * SDCE_POL = ACTIVE LOW
+ * SDLE_POL = ACTIVE HIGH
+ * SDOE_POL = ACTIVE HIGH
+ * GDOE_POL = ACTIVE HIGH
+ * GDSP_POL = ACTIVE LOW
+ */
+ reg_val = EPDC_TCE_POLARITY_SDLE_POL_ACTIVE_HIGH
+ | EPDC_TCE_POLARITY_SDOE_POL_ACTIVE_HIGH
+ | EPDC_TCE_POLARITY_GDOE_POL_ACTIVE_HIGH;
+ REG_WR(EPDC_BASE, EPDC_TCE_POLARITY, reg_val);
+
+ /* EPDC_IRQ_MASK */
+ REG_WR(EPDC_BASE, EPDC_IRQ_MASK,
+ EPDC_IRQ_TCE_UNDERRUN_IRQ);
+
+ /*
+ * EPDC_GPIO
+ * PWRCOM = ?
+ * PWRCTRL = ?
+ * BDR = ?
+ */
+ reg_val = ((0 << EPDC_GPIO_PWRCTRL_OFFSET) & EPDC_GPIO_PWRCTRL_MASK)
+ | ((0 << EPDC_GPIO_BDR_OFFSET) & EPDC_GPIO_BDR_MASK);
+ REG_WR(EPDC_BASE, EPDC_GPIO, reg_val);
+}
+
+static void draw_mode0(void)
+{
+ int i;
+
+ /* Program EPDC update to process buffer */
+ epdc_set_update_coord(0, 0);
+ epdc_set_update_dimensions(panel_info.vl_col, panel_info.vl_row);
+ epdc_submit_update(0, panel_info.epdc_data.wv_modes.mode_init,
+ UPDATE_MODE_FULL, FALSE, 0);
+
+ debug("Mode0 update - Waiting for LUT to complete...\n");
+
+ /* Will timeout after ~4-5 seconds */
+
+ for (i = 0; i < 40; i++) {
+ if (!epdc_is_lut_active(0)) {
+ debug("Mode0 init complete\n");
+ return;
+ }
+ msleep(100);
+ }
+
+ debug("Mode0 init failed!\n");
+
+}
+
+static void draw_splash_screen(void)
+{
+ int i;
+ int lut_num = 0;
+
+ /* Program EPDC update to process buffer */
+ epdc_set_update_coord(0, 0);
+ epdc_set_update_dimensions(panel_info.vl_col, panel_info.vl_row);
+ epdc_submit_update(lut_num, panel_info.epdc_data.wv_modes.mode_gc16,
+ UPDATE_MODE_FULL, FALSE, 0);
+
+ for (i = 0; i < 40; i++) {
+ if (!epdc_is_lut_active(lut_num)) {
+ debug("Splash screen update complete\n");
+ return;
+ }
+ msleep(100);
+ }
+ debug("Splash screen update failed!\n");
+}
+
+void lcd_enable(void)
+{
+ int i;
+
+ epdc_power_on();
+
+ lcd_base = (void *)CONFIG_FB_BASE;
+ /* Draw black border around framebuffer*/
+ memset(lcd_base, 0xFF, panel_info.vl_col * panel_info.vl_row);
+ memset(lcd_base, 0x0, 24 * panel_info.vl_col);
+ for (i = 24; i < (panel_info.vl_row - 24); i++) {
+ memset((u8 *)lcd_base + i * panel_info.vl_col, 0x00, 24);
+ memset((u8 *)lcd_base + i * panel_info.vl_col
+ + panel_info.vl_col - 24, 0x00, 24);
+ }
+ memset((u8 *)lcd_base + panel_info.vl_col * (panel_info.vl_row - 24),
+ 0x00, 24 * panel_info.vl_col);
+
+ flush_cache((ulong)lcd_base, panel_info.vl_col * panel_info.vl_row);
+
+ /* Draw data to display */
+ draw_mode0();
+
+ draw_splash_screen();
+}
+
+void lcd_disable(void)
+{
+ debug("lcd_disable\n");
+
+ /* Disable clocks to EPDC */
+ REG_SET(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_CLKGATE);
+}
+
+void lcd_panel_disable(void)
+{
+ epdc_power_off();
+}
+
+void lcd_ctrl_init(void *lcdbase)
+{
+ unsigned int val;
+
+ /*
+ * We rely on lcdbase being a physical address, i.e., either MMU off,
+ * or 1-to-1 mapping. Might want to add some virt2phys here.
+ */
+ if (!lcdbase)
+ return;
+
+ lcd_color_fg = 0xFF;
+ lcd_color_bg = 0xFF;
+
+ /* Reset */
+ REG_SET(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_SFTRST);
+ while (!(REG_RD(EPDC_BASE, EPDC_CTRL) & EPDC_CTRL_CLKGATE))
+ ;
+ REG_CLR(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_SFTRST);
+
+ /* Enable clock gating (clear to enable) */
+ REG_CLR(EPDC_BASE, EPDC_CTRL, EPDC_CTRL_CLKGATE);
+ while (REG_RD(EPDC_BASE, EPDC_CTRL) &
+ (EPDC_CTRL_SFTRST | EPDC_CTRL_CLKGATE))
+ ;
+
+ debug("resolution %dx%d, bpp %d\n", (int)panel_info.vl_col,
+ (int)panel_info.vl_row, NBITS(panel_info.vl_bpix));
+
+ /* Get EPDC version */
+ val = REG_RD(EPDC_BASE, EPDC_VERSION);
+ rev = ((val & EPDC_VERSION_MAJOR_MASK) >>
+ EPDC_VERSION_MAJOR_OFFSET) * 10
+ + ((val & EPDC_VERSION_MINOR_MASK) >>
+ EPDC_VERSION_MINOR_OFFSET);
+
+ /* Set framebuffer pointer */
+ REG_WR(EPDC_BASE, EPDC_UPD_ADDR, (u32)lcdbase);
+
+ /* Set Working Buffer pointer */
+ REG_WR(EPDC_BASE, EPDC_WB_ADDR, panel_info.epdc_data.working_buf_addr);
+ if (rev > 20)
+ REG_WR(EPDC_BASE, EPDC_WB_ADDR_TCE, panel_info.epdc_data.working_buf_addr);
+
+ /* Get waveform data address and offset */
+ if (setup_waveform_file()) {
+ printf("Can't load waveform data!\n");
+ return;
+ }
+
+ /* Set Waveform Buffer pointer */
+ REG_WR(EPDC_BASE, EPDC_WVADDR,
+ panel_info.epdc_data.waveform_buf_addr);
+
+ /* Initialize EPDC, passing pointer to EPDC registers */
+ epdc_init_settings();
+
+ return;
+}
+
+ulong calc_fbsize(void)
+{
+ return panel_info.vl_row * panel_info.vl_col * 2 \
+ * NBITS(panel_info.vl_bpix) / 8;
+}
+
diff --git a/include/configs/mx6qsabresd.h b/include/configs/mx6qsabresd.h
index 860dd4a..c6314b7 100644
--- a/include/configs/mx6qsabresd.h
+++ b/include/configs/mx6qsabresd.h
@@ -33,4 +33,37 @@
#define CONFIG_SF_DEFAULT_CS (0|(IMX_GPIO_NR(4, 9)<<8))
#endif
+/*#define CONFIG_SPLASH_SCREEN*/
+/*#define CONFIG_MXC_EPDC*/
+
+/*
+ * SPLASH SCREEN Configs
+ */
+#ifdef CONFIG_SPLASH_SCREEN
+ /*
+ * Framebuffer and LCD
+ */
+ #define CONFIG_CMD_BMP
+ #define CONFIG_LCD
+ #define CONFIG_FB_BASE (CONFIG_SYS_TEXT_BASE + 0x300000)
+ #define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#ifdef CONFIG_MXC_EPDC
+ #undef LCD_TEST_PATTERN
+ /* #define CONFIG_SPLASH_IS_IN_MMC 1 */
+ #define LCD_BPP LCD_MONOCHROME
+ /* #define CONFIG_SPLASH_SCREEN_ALIGN 1 */
+
+ #define CONFIG_WORKING_BUF_ADDR (CONFIG_SYS_TEXT_BASE + 0x100000)
+ #define CONFIG_WAVEFORM_BUF_ADDR (CONFIG_SYS_TEXT_BASE + 0x200000)
+ #define CONFIG_WAVEFORM_FILE_OFFSET 0x600000
+ #define CONFIG_WAVEFORM_FILE_SIZE 0xF0A00
+ #define CONFIG_WAVEFORM_FILE_IN_MMC
+
+#ifdef CONFIG_SPLASH_IS_IN_MMC
+ #define CONFIG_SPLASH_IMG_OFFSET 0x4c000
+ #define CONFIG_SPLASH_IMG_SIZE 0x19000
+#endif
+#endif
+#endif /* CONFIG_SPLASH_SCREEN */
+
#endif /* __MX6QSABRESD_CONFIG_H */
diff --git a/include/configs/mx6slevk.h b/include/configs/mx6slevk.h
index f7a10e3..98d0246 100644
--- a/include/configs/mx6slevk.h
+++ b/include/configs/mx6slevk.h
@@ -234,4 +234,37 @@
#define CONFIG_CMD_CACHE
#endif
+/*#define CONFIG_SPLASH_SCREEN*/
+
+/*
+ * SPLASH SCREEN Configs
+ */
+#ifdef CONFIG_SPLASH_SCREEN
+ /*
+ * Framebuffer and LCD
+ */
+ #define CONFIG_CMD_BMP
+ #define CONFIG_MXC_EPDC 1
+ #define CONFIG_LCD
+ #define CONFIG_FB_BASE (CONFIG_SYS_TEXT_BASE + 0x300000)
+ #define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#ifdef CONFIG_MXC_EPDC
+ #undef LCD_TEST_PATTERN
+ /* #define CONFIG_SPLASH_IS_IN_MMC 1 */
+ #define LCD_BPP LCD_MONOCHROME
+ /* #define CONFIG_SPLASH_SCREEN_ALIGN 1 */
+
+ #define CONFIG_WORKING_BUF_ADDR (CONFIG_SYS_TEXT_BASE + 0x100000)
+ #define CONFIG_WAVEFORM_BUF_ADDR (CONFIG_SYS_TEXT_BASE + 0x200000)
+ #define CONFIG_WAVEFORM_FILE_OFFSET 0x600000
+ #define CONFIG_WAVEFORM_FILE_SIZE 0xF0A00
+ #define CONFIG_WAVEFORM_FILE_IN_MMC
+
+#ifdef CONFIG_SPLASH_IS_IN_MMC
+ #define CONFIG_SPLASH_IMG_OFFSET 0x4c000
+ #define CONFIG_SPLASH_IMG_SIZE 0x19000
+#endif
+#endif
+#endif /* CONFIG_SPLASH_SCREEN */
+
#endif /* __CONFIG_H */
diff --git a/include/lcd.h b/include/lcd.h
index c6e7fc5..5744b88 100644
--- a/include/lcd.h
+++ b/include/lcd.h
@@ -253,6 +253,59 @@ typedef struct vidinfo {
void init_panel_info(vidinfo_t *vid);
+#elif defined(CONFIG_MXC_EPDC)
+
+struct waveform_modes {
+ int mode_init;
+ int mode_du;
+ int mode_gc4;
+ int mode_gc8;
+ int mode_gc16;
+ int mode_gc32;
+};
+
+struct epdc_timing_params {
+ int vscan_holdoff;
+ int sdoed_width;
+ int sdoed_delay;
+ int sdoez_width;
+ int sdoez_delay;
+ int gdclk_hp_offs;
+ int gdsp_offs;
+ int gdoe_offs;
+ int gdclk_offs;
+ int num_ce;
+};
+
+struct epdc_data_struct {
+ /* EPDC buffer pointers */
+ u_long working_buf_addr;
+ u_long waveform_buf_addr;
+
+ /* Waveform mode definitions */
+ struct waveform_modes wv_modes;
+ struct epdc_timing_params epdc_timings;
+};
+
+typedef struct vidinfo {
+ u_long vl_refresh; /* Refresh Rate Hz */
+ u_long vl_row; /* resolution in x */
+ u_long vl_col; /* resolution in y */
+ u_long vl_pixclock; /* pixel clock in picoseconds */
+ u_long vl_left_margin; /* Horizontal back porch */
+ u_long vl_right_margin; /* Horizontal front porch */
+ u_long vl_upper_margin; /* Vertical back porch */
+ u_long vl_lower_margin; /* Vertical front porch */
+ u_long vl_hsync; /* Horizontal sync pulse length */
+ u_long vl_vsync; /* Vertical sync pulse length */
+ u_long vl_sync; /* Polarity on data enable */
+ u_long vl_mode; /* Video Mode */
+ u_long vl_flag;
+ u_char vl_bpix;
+ ushort *cmap;
+ struct epdc_data_struct epdc_data;
+} vidinfo_t;
+
#else
typedef struct vidinfo {
diff --git a/include/mxc_epdc_fb.h b/include/mxc_epdc_fb.h
new file mode 100644
index 0000000..afe7b46
--- /dev/null
+++ b/include/mxc_epdc_fb.h
@@ -0,0 +1,458 @@
+/*
+ * Copyright (C) 2010-2013 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+#ifndef __EPDC_REGS_INCLUDED__
+#define __EPDC_REGS_INCLUDED__
+
+#include <linux/types.h>
+#include <linux/list.h>
+#include <asm/arch/imx-regs.h>
+
+/*************************************
+ * Register addresses
+ *************************************/
+#define EPDC_BASE (EPDC_BASE_ADDR)
+
+#define EPDC_CTRL (0x000)
+#define EPDC_CTRL_SET (0x004)
+#define EPDC_CTRL_CLR (0x008)
+#define EPDC_CTRL_TOG (0x00c)
+#define EPDC_WVADDR (0x020)
+#define EPDC_WB_ADDR (0x030)
+#define EPDC_RES (0x040)
+#define EPDC_FORMAT (0x050)
+#define EPDC_FORMAT_SET (0x054)
+#define EPDC_FORMAT_CLR (0x058)
+#define EPDC_FORMAT_TOG (0x05c)
+#define EPDC_FIFOCTRL (0x0a0)
+#define EPDC_FIFOCTRL_SET (0x0a4)
+#define EPDC_FIFOCTRL_CLR (0x0a8)
+#define EPDC_FIFOCTRL_TOG (0x0ac)
+#define EPDC_UPD_ADDR (0x100)
+#define EPDC_UPD_STRIDE (0x110)
+#define EPDC_UPD_CORD (0x120)
+#define EPDC_UPD_SIZE (0x140)
+#define EPDC_UPD_CTRL (0x160)
+#define EPDC_UPD_FIXED (0x180)
+#define EPDC_TEMP (0x1a0)
+#define EPDC_AUTOWV_LUT (0x1C0)
+#define EPDC_TCE_CTRL (0x200)
+#define EPDC_TCE_SDCFG (0x220)
+#define EPDC_TCE_GDCFG (0x240)
+#define EPDC_TCE_HSCAN1 (0x260)
+#define EPDC_TCE_HSCAN2 (0x280)
+#define EPDC_TCE_VSCAN (0x2a0)
+#define EPDC_TCE_OE (0x2c0)
+#define EPDC_TCE_POLARITY (0x2e0)
+#define EPDC_TCE_TIMING1 (0x300)
+#define EPDC_TCE_TIMING2 (0x310)
+#define EPDC_TCE_TIMING3 (0x320)
+#define EPDC_PIGEON_CTRL0 (0x380)
+#define EPDC_PIGEON_CTRL1 (0x390)
+#define EPDC_IRQ_MASK1 (0x3C0)
+#define EPDC_IRQ_MASK1_SET (0x3C4)
+#define EPDC_IRQ_MASK1_CLR (0x3C8)
+#define EPDC_IRQ_MASK1_TOG (0x3CC)
+#define EPDC_IRQ_MASK2 (0x3D0)
+#define EPDC_IRQ_MASK2_SET (0x3D4)
+#define EPDC_IRQ_MASK2_CLR (0x3D8)
+#define EPDC_IRQ_MASK2_TOG (0x3DC)
+#define EPDC_IRQ1 (0x3E0)
+#define EPDC_IRQ1_SET (0x3E4)
+#define EPDC_IRQ1_CLR (0x3E8)
+#define EPDC_IRQ1_TOG (0x3EC)
+#define EPDC_IRQ2 (0x3F0)
+#define EPDC_IRQ2_SET (0x3F4)
+#define EPDC_IRQ2_CLR (0x3F8)
+#define EPDC_IRQ2_TOG (0x3FC)
+#define EPDC_IRQ_MASK (0x400)
+#define EPDC_IRQ_MASK_SET (0x404)
+#define EPDC_IRQ_MASK_CLR (0x408)
+#define EPDC_IRQ_MASK_TOG (0x40c)
+#define EPDC_IRQ (0x420)
+#define EPDC_IRQ_SET (0x424)
+#define EPDC_IRQ_CLR (0x428)
+#define EPDC_IRQ_TOG (0x42c)
+#define EPDC_STATUS_LUTS (0x440)
+#define EPDC_STATUS_LUTS_SET (0x444)
+#define EPDC_STATUS_LUTS_CLR (0x448)
+#define EPDC_STATUS_LUTS_TOG (0x44c)
+#define EPDC_STATUS_LUTS2 (0x450)
+#define EPDC_STATUS_LUTS2_SET (0x454)
+#define EPDC_STATUS_LUTS2_CLR (0x458)
+#define EPDC_STATUS_LUTS2_TOG (0x45C)
+#define EPDC_STATUS_NEXTLUT (0x460)
+#define EPDC_STATUS_COL (0x480)
+#define EPDC_STATUS_COL2 (0x490)
+#define EPDC_STATUS (0x4a0)
+#define EPDC_STATUS_SET (0x4a4)
+#define EPDC_STATUS_CLR (0x4a8)
+#define EPDC_STATUS_TOG (0x4ac)
+#define EPDC_UPD_COL_CORD (0x4C0)
+#define EPDC_UPD_COL_SIZE (0x4E0)
+#define EPDC_DEBUG (0x500)
+#define EPDC_DEBUG_LUT (0x530)
+#define EPDC_HIST1_PARAM (0x600)
+#define EPDC_HIST2_PARAM (0x610)
+#define EPDC_HIST4_PARAM (0x620)
+#define EPDC_HIST8_PARAM0 (0x630)
+#define EPDC_HIST8_PARAM1 (0x640)
+#define EPDC_HIST16_PARAM0 (0x650)
+#define EPDC_HIST16_PARAM1 (0x660)
+#define EPDC_HIST16_PARAM2 (0x670)
+#define EPDC_HIST16_PARAM3 (0x680)
+#define EPDC_GPIO (0x700)
+#define EPDC_VERSION (0x7f0)
+#define EPDC_PIGEON_0_0 (0x800)
+#define EPDC_PIGEON_0_1 (0x810)
+#define EPDC_PIGEON_0_2 (0x820)
+#define EPDC_PIGEON_1_0 (0x840)
+#define EPDC_PIGEON_1_1 (0x850)
+#define EPDC_PIGEON_1_2 (0x860)
+#define EPDC_PIGEON_2_0 (0x880)
+#define EPDC_PIGEON_2_1 (0x890)
+#define EPDC_PIGEON_2_2 (0x8A0)
+#define EPDC_PIGEON_3_0 (0x8C0)
+#define EPDC_PIGEON_3_1 (0x8D0)
+#define EPDC_PIGEON_3_2 (0x8E0)
+#define EPDC_PIGEON_4_0 (0x900)
+#define EPDC_PIGEON_4_1 (0x910)
+#define EPDC_PIGEON_4_2 (0x920)
+#define EPDC_PIGEON_5_0 (0x940)
+#define EPDC_PIGEON_5_1 (0x950)
+#define EPDC_PIGEON_5_2 (0x960)
+#define EPDC_PIGEON_6_0 (0x980)
+#define EPDC_PIGEON_6_1 (0x990)
+#define EPDC_PIGEON_6_2 (0x9A0)
+#define EPDC_PIGEON_7_0 (0x9C0)
+#define EPDC_PIGEON_7_1 (0x9D0)
+#define EPDC_PIGEON_7_2 (0x9E0)
+#define EPDC_PIGEON_8_0 (0xA00)
+#define EPDC_PIGEON_8_1 (0xA10)
+#define EPDC_PIGEON_8_2 (0xA20)
+#define EPDC_PIGEON_9_0 (0xA40)
+#define EPDC_PIGEON_9_1 (0xA50)
+#define EPDC_PIGEON_9_2 (0xA60)
+#define EPDC_PIGEON_10_0 (0xA80)
+#define EPDC_PIGEON_10_1 (0xA90)
+#define EPDC_PIGEON_10_2 (0xAA0)
+#define EPDC_PIGEON_11_0 (0xAC0)
+#define EPDC_PIGEON_11_1 (0xAD0)
+#define EPDC_PIGEON_11_2 (0xAE0)
+#define EPDC_PIGEON_12_0 (0xB00)
+#define EPDC_PIGEON_12_1 (0xB10)
+#define EPDC_PIGEON_12_2 (0xB20)
+#define EPDC_PIGEON_13_0 (0xB40)
+#define EPDC_PIGEON_13_1 (0xB50)
+#define EPDC_PIGEON_13_2 (0xB60)
+#define EPDC_PIGEON_14_0 (0xB80)
+#define EPDC_PIGEON_14_1 (0xB90)
+#define EPDC_PIGEON_14_2 (0xBA0)
+#define EPDC_PIGEON_15_0 (0xBC0)
+#define EPDC_PIGEON_15_1 (0xBD0)
+#define EPDC_PIGEON_15_2 (0xBE0)
+#define EPDC_WB_ADDR_TCE (0xC10)
+
+#define REG_RD(base, reg) \
+ (*(volatile unsigned int *)((base) + (reg)))
+#define REG_WR(base, reg, value) \
+ ((*(volatile unsigned int *)((base) + (reg))) = (value))
+#define REG_SET(base, reg, value) \
+ ((*(volatile unsigned int *)((base) + (reg ## _SET))) = (value))
+#define REG_CLR(base, reg, value) \
+ ((*(volatile unsigned int *)((base) + (reg ## _CLR))) = (value))
+#define REG_TOG(base, reg, value) \
+ ((*(volatile unsigned int *)((base) + (reg ## _TOG))) = (value))
+/*
+ * Register field definitions
+ */
+
+enum {
+ /* EPDC_CTRL field values */
+ EPDC_CTRL_SFTRST = 0x80000000,
+ EPDC_CTRL_CLKGATE = 0x40000000,
+ EPDC_CTRL_SRAM_POWERDOWN = 0x100,
+ EPDC_CTRL_UPD_DATA_SWIZZLE_MASK = 0xc0,
+ EPDC_CTRL_UPD_DATA_SWIZZLE_NO_SWAP = 0,
+ EPDC_CTRL_UPD_DATA_SWIZZLE_ALL_BYTES_SWAP = 0x40,
+ EPDC_CTRL_UPD_DATA_SWIZZLE_HWD_SWAP = 0x80,
+ EPDC_CTRL_UPD_DATA_SWIZZLE_HWD_BYTE_SWAP = 0xc0,
+ EPDC_CTRL_LUT_DATA_SWIZZLE_MASK = 0x30,
+ EPDC_CTRL_LUT_DATA_SWIZZLE_NO_SWAP = 0,
+ EPDC_CTRL_LUT_DATA_SWIZZLE_ALL_BYTES_SWAP = 0x10,
+ EPDC_CTRL_LUT_DATA_SWIZZLE_HWD_SWAP = 0x20,
+ EPDC_CTRL_LUT_DATA_SWIZZLE_HWD_BYTE_SWAP = 0x30,
+ EPDC_CTRL_BURST_LEN_8_8 = 0x1,
+ EPDC_CTRL_BURST_LEN_8_16 = 0,
+
+ /* EPDC_RES field values */
+ EPDC_RES_VERTICAL_MASK = 0x1fff0000,
+ EPDC_RES_VERTICAL_OFFSET = 16,
+ EPDC_RES_HORIZONTAL_MASK = 0x1fff,
+ EPDC_RES_HORIZONTAL_OFFSET = 0,
+
+ /* EPDC_FORMAT field values */
+ EPDC_FORMAT_BUF_PIXEL_SCALE_ROUND = 0x1000000,
+ EPDC_FORMAT_DEFAULT_TFT_PIXEL_MASK = 0xff0000,
+ EPDC_FORMAT_DEFAULT_TFT_PIXEL_OFFSET = 16,
+ EPDC_FORMAT_BUF_PIXEL_FORMAT_P2N = 0x200,
+ EPDC_FORMAT_BUF_PIXEL_FORMAT_P3N = 0x300,
+ EPDC_FORMAT_BUF_PIXEL_FORMAT_P4N = 0x400,
+ EPDC_FORMAT_BUF_PIXEL_FORMAT_P5N = 0x500,
+ EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT = 0x0,
+ EPDC_FORMAT_TFT_PIXEL_FORMAT_2BIT_VCOM = 0x1,
+ EPDC_FORMAT_TFT_PIXEL_FORMAT_4BIT = 0x2,
+ EPDC_FORMAT_TFT_PIXEL_FORMAT_4BIT_VCOM = 0x3,
+
+ /* EPDC_FIFOCTRL field values */
+ EPDC_FIFOCTRL_ENABLE_PRIORITY = 0x80000000,
+ EPDC_FIFOCTRL_FIFO_INIT_LEVEL_MASK = 0xff0000,
+ EPDC_FIFOCTRL_FIFO_INIT_LEVEL_OFFSET = 16,
+ EPDC_FIFOCTRL_FIFO_H_LEVEL_MASK = 0xff00,
+ EPDC_FIFOCTRL_FIFO_H_LEVEL_OFFSET = 8,
+ EPDC_FIFOCTRL_FIFO_L_LEVEL_MASK = 0xff,
+ EPDC_FIFOCTRL_FIFO_L_LEVEL_OFFSET = 0,
+
+ /* EPDC_UPD_CORD field values */
+ EPDC_UPD_CORD_YCORD_MASK = 0x1fff0000,
+ EPDC_UPD_CORD_YCORD_OFFSET = 16,
+ EPDC_UPD_CORD_XCORD_MASK = 0x1fff,
+ EPDC_UPD_CORD_XCORD_OFFSET = 0,
+
+ /* EPDC_UPD_SIZE field values */
+ EPDC_UPD_SIZE_HEIGHT_MASK = 0x1fff0000,
+ EPDC_UPD_SIZE_HEIGHT_OFFSET = 16,
+ EPDC_UPD_SIZE_WIDTH_MASK = 0x1fff,
+ EPDC_UPD_SIZE_WIDTH_OFFSET = 0,
+
+ /* EPDC_UPD_CTRL field values */
+ EPDC_UPD_CTRL_USE_FIXED = 0x80000000,
+ EPDC_UPD_CTRL_LUT_SEL_MASK = 0xf0000,
+ EPDC_UPD_CTRL_LUT_SEL_OFFSET = 16,
+ EPDC_UPD_CTRL_WAVEFORM_MODE_MASK = 0xff00,
+ EPDC_UPD_CTRL_WAVEFORM_MODE_OFFSET = 8,
+ EPDC_UPD_CTRL_AUTOWV_PAUSE = 0x8,
+ EPDC_UPD_CTRL_AUTOWV = 0x4,
+ EPDC_UPD_CTRL_DRY_RUN = 0x2,
+ EPDC_UPD_CTRL_UPDATE_MODE_FULL = 0x1,
+
+ /* EPDC_UPD_FIXED field values */
+ EPDC_UPD_FIXED_FIXNP_EN = 0x80000000,
+ EPDC_UPD_FIXED_FIXCP_EN = 0x40000000,
+ EPDC_UPD_FIXED_FIXNP_MASK = 0xff00,
+ EPDC_UPD_FIXED_FIXNP_OFFSET = 8,
+ EPDC_UPD_FIXED_FIXCP_MASK = 0xff,
+ EPDC_UPD_FIXED_FIXCP_OFFSET = 0,
+
+ /* EPDC_AUTOWV_LUT field values */
+ EPDC_AUTOWV_LUT_DATA_MASK = 0xFF0000,
+ EPDC_AUTOWV_LUT_DATA_OFFSET = 16,
+ EPDC_AUTOWV_LUT_ADDR_MASK = 0xFF,
+ EPDC_AUTOWV_LUT_ADDR_OFFSET = 0,
+
+ /* EPDC_TCE_CTRL field values */
+ EPDC_TCE_CTRL_VSCAN_HOLDOFF_MASK = 0x1ff0000,
+ EPDC_TCE_CTRL_VSCAN_HOLDOFF_OFFSET = 16,
+ EPDC_TCE_CTRL_VCOM_VAL_MASK = 0xc00,
+ EPDC_TCE_CTRL_VCOM_VAL_OFFSET = 10,
+ EPDC_TCE_CTRL_VCOM_MODE_AUTO = 0x200,
+ EPDC_TCE_CTRL_VCOM_MODE_MANUAL = 0x000,
+ EPDC_TCE_CTRL_DDR_MODE_ENABLE = 0x100,
+ EPDC_TCE_CTRL_LVDS_MODE_CE_ENABLE = 0x80,
+ EPDC_TCE_CTRL_LVDS_MODE_ENABLE = 0x40,
+ EPDC_TCE_CTRL_SCAN_DIR_1_UP = 0x20,
+ EPDC_TCE_CTRL_SCAN_DIR_0_UP = 0x10,
+ EPDC_TCE_CTRL_DUAL_SCAN_ENABLE = 0x8,
+ EPDC_TCE_CTRL_SDDO_WIDTH_16BIT = 0x4,
+ EPDC_TCE_CTRL_PIXELS_PER_SDCLK_2 = 1,
+ EPDC_TCE_CTRL_PIXELS_PER_SDCLK_4 = 2,
+ EPDC_TCE_CTRL_PIXELS_PER_SDCLK_8 = 3,
+
+ /* EPDC_TCE_SDCFG field values */
+ EPDC_TCE_SDCFG_SDCLK_HOLD = 0x200000,
+ EPDC_TCE_SDCFG_SDSHR = 0x100000,
+ EPDC_TCE_SDCFG_NUM_CE_MASK = 0xf0000,
+ EPDC_TCE_SDCFG_NUM_CE_OFFSET = 16,
+ EPDC_TCE_SDCFG_SDDO_REFORMAT_STANDARD = 0,
+ EPDC_TCE_SDCFG_SDDO_REFORMAT_FLIP_PIXELS = 0x4000,
+ EPDC_TCE_SDCFG_SDDO_INVERT_ENABLE = 0x2000,
+ EPDC_TCE_SDCFG_PIXELS_PER_CE_MASK = 0x1fff,
+ EPDC_TCE_SDCFG_PIXELS_PER_CE_OFFSET = 0,
+
+ /* EPDC_TCE_GDCFG field values */
+ EPDC_TCE_SDCFG_GDRL = 0x10,
+ EPDC_TCE_SDCFG_GDOE_MODE_DELAYED_GDCLK = 0x2,
+ EPDC_TCE_SDCFG_GDSP_MODE_FRAME_SYNC = 0x1,
+ EPDC_TCE_SDCFG_GDSP_MODE_ONE_LINE = 0x0,
+
+ /* EPDC_TCE_HSCAN1 field values */
+ EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_MASK = 0xfff0000,
+ EPDC_TCE_HSCAN1_LINE_SYNC_WIDTH_OFFSET = 16,
+ EPDC_TCE_HSCAN1_LINE_SYNC_MASK = 0xfff,
+ EPDC_TCE_HSCAN1_LINE_SYNC_OFFSET = 0,
+
+ /* EPDC_TCE_HSCAN2 field values */
+ EPDC_TCE_HSCAN2_LINE_END_MASK = 0xfff0000,
+ EPDC_TCE_HSCAN2_LINE_END_OFFSET = 16,
+ EPDC_TCE_HSCAN2_LINE_BEGIN_MASK = 0xfff,
+ EPDC_TCE_HSCAN2_LINE_BEGIN_OFFSET = 0,
+
+ /* EPDC_TCE_VSCAN field values */
+ EPDC_TCE_VSCAN_FRAME_END_MASK = 0xff0000,
+ EPDC_TCE_VSCAN_FRAME_END_OFFSET = 16,
+ EPDC_TCE_VSCAN_FRAME_BEGIN_MASK = 0xff00,
+ EPDC_TCE_VSCAN_FRAME_BEGIN_OFFSET = 8,
+ EPDC_TCE_VSCAN_FRAME_SYNC_MASK = 0xff,
+ EPDC_TCE_VSCAN_FRAME_SYNC_OFFSET = 0,
+
+ /* EPDC_TCE_OE field values */
+ EPDC_TCE_OE_SDOED_WIDTH_MASK = 0xff000000,
+ EPDC_TCE_OE_SDOED_WIDTH_OFFSET = 24,
+ EPDC_TCE_OE_SDOED_DLY_MASK = 0xff0000,
+ EPDC_TCE_OE_SDOED_DLY_OFFSET = 16,
+ EPDC_TCE_OE_SDOEZ_WIDTH_MASK = 0xff00,
+ EPDC_TCE_OE_SDOEZ_WIDTH_OFFSET = 8,
+ EPDC_TCE_OE_SDOEZ_DLY_MASK = 0xff,
+ EPDC_TCE_OE_SDOEZ_DLY_OFFSET = 0,
+
+ /* EPDC_TCE_POLARITY field values */
+ EPDC_TCE_POLARITY_GDSP_POL_ACTIVE_HIGH = 0x10,
+ EPDC_TCE_POLARITY_GDOE_POL_ACTIVE_HIGH = 0x8,
+ EPDC_TCE_POLARITY_SDOE_POL_ACTIVE_HIGH = 0x4,
+ EPDC_TCE_POLARITY_SDLE_POL_ACTIVE_HIGH = 0x2,
+ EPDC_TCE_POLARITY_SDCE_POL_ACTIVE_HIGH = 0x1,
+
+ /* EPDC_TCE_TIMING1 field values */
+ EPDC_TCE_TIMING1_SDLE_SHIFT_NONE = 0x00,
+ EPDC_TCE_TIMING1_SDLE_SHIFT_1 = 0x10,
+ EPDC_TCE_TIMING1_SDLE_SHIFT_2 = 0x20,
+ EPDC_TCE_TIMING1_SDLE_SHIFT_3 = 0x30,
+ EPDC_TCE_TIMING1_SDCLK_INVERT = 0x8,
+ EPDC_TCE_TIMING1_SDCLK_SHIFT_NONE = 0,
+ EPDC_TCE_TIMING1_SDCLK_SHIFT_1CYCLE = 1,
+ EPDC_TCE_TIMING1_SDCLK_SHIFT_2CYCLES = 2,
+ EPDC_TCE_TIMING1_SDCLK_SHIFT_3CYCLES = 3,
+
+ /* EPDC_TCE_TIMING2 field values */
+ EPDC_TCE_TIMING2_GDCLK_HP_MASK = 0xffff0000,
+ EPDC_TCE_TIMING2_GDCLK_HP_OFFSET = 16,
+ EPDC_TCE_TIMING2_GDSP_OFFSET_MASK = 0xffff,
+ EPDC_TCE_TIMING2_GDSP_OFFSET_OFFSET = 0,
+
+ /* EPDC_TCE_TIMING3 field values */
+ EPDC_TCE_TIMING3_GDOE_OFFSET_MASK = 0xffff0000,
+ EPDC_TCE_TIMING3_GDOE_OFFSET_OFFSET = 16,
+ EPDC_TCE_TIMING3_GDCLK_OFFSET_MASK = 0xffff,
+ EPDC_TCE_TIMING3_GDCLK_OFFSET_OFFSET = 0,
+
+ /* EPDC_IRQ_MASK/EPDC_IRQ field values */
+ EPDC_IRQ_WB_CMPLT_IRQ = 0x10000,
+ EPDC_IRQ_LUT_COL_IRQ = 0x20000,
+ EPDC_IRQ_TCE_UNDERRUN_IRQ = 0x40000,
+ EPDC_IRQ_FRAME_END_IRQ = 0x80000,
+ EPDC_IRQ_BUS_ERROR_IRQ = 0x100000,
+ EPDC_IRQ_TCE_IDLE_IRQ = 0x200000,
+ EPDC_IRQ_UPD_DONE_IRQ = 0x400000,
+ EPDC_IRQ_PWR_IRQ = 0x800000,
+
+ /* EPDC_STATUS_NEXTLUT field values */
+ EPDC_STATUS_NEXTLUT_NEXT_LUT_VALID = 0x100,
+ EPDC_STATUS_NEXTLUT_NEXT_LUT_MASK = 0x3F,
+ EPDC_STATUS_NEXTLUT_NEXT_LUT_OFFSET = 0,
+
+ /* EPDC_STATUS field values */
+ EPDC_STATUS_HISTOGRAM_CP_MASK = 0x1F0000,
+ EPDC_STATUS_HISTOGRAM_CP_OFFSET = 16,
+ EPDC_STATUS_HISTOGRAM_NP_MASK = 0x1F00,
+ EPDC_STATUS_HISTOGRAM_NP_OFFSET = 8,
+ EPDC_STATUS_UPD_VOID = 0x8,
+ EPDC_STATUS_LUTS_UNDERRUN = 0x4,
+ EPDC_STATUS_LUTS_BUSY = 0x2,
+ EPDC_STATUS_WB_BUSY = 0x1,
+
+ /* EPDC_UPD_COL_CORD field values */
+ EPDC_UPD_COL_CORD_YCORD_MASK = 0x1FFF0000,
+ EPDC_UPD_COL_CORD_YCORD_OFFSET = 16,
+ EPDC_UPD_COL_CORD_XCORD_MASK = 0x1FFF,
+ EPDC_UPD_COL_CORD_XCORD_OFFSET = 0,
+
+ /* EPDC_UPD_COL_SIZE field values */
+ EPDC_UPD_COL_SIZE_HEIGHT_MASK = 0x1FFF0000,
+ EPDC_UPD_COL_SIZE_HEIGHT_OFFSET = 16,
+ EPDC_UPD_COL_SIZE_WIDTH_MASK = 0x1FFF,
+ EPDC_UPD_COL_SIZE_WIDTH_OFFSET = 0,
+
+ /* EPDC_DEBUG field values */
+ EPDC_DEBUG_UNDERRUN_RECOVER = 0x2,
+ EPDC_DEBUG_COLLISION_OFF = 0x1,
+
+/* EPDC_HISTx_PARAM field values */
+ EPDC_HIST_PARAM_VALUE0_MASK = 0x1F,
+ EPDC_HIST_PARAM_VALUE0_OFFSET = 0,
+ EPDC_HIST_PARAM_VALUE1_MASK = 0x1F00,
+ EPDC_HIST_PARAM_VALUE1_OFFSET = 8,
+ EPDC_HIST_PARAM_VALUE2_MASK = 0x1F0000,
+ EPDC_HIST_PARAM_VALUE2_OFFSET = 16,
+ EPDC_HIST_PARAM_VALUE3_MASK = 0x1F000000,
+ EPDC_HIST_PARAM_VALUE3_OFFSET = 24,
+ EPDC_HIST_PARAM_VALUE4_MASK = 0x1F,
+ EPDC_HIST_PARAM_VALUE4_OFFSET = 0,
+ EPDC_HIST_PARAM_VALUE5_MASK = 0x1F00,
+ EPDC_HIST_PARAM_VALUE5_OFFSET = 8,
+ EPDC_HIST_PARAM_VALUE6_MASK = 0x1F0000,
+ EPDC_HIST_PARAM_VALUE6_OFFSET = 16,
+ EPDC_HIST_PARAM_VALUE7_MASK = 0x1F000000,
+ EPDC_HIST_PARAM_VALUE7_OFFSET = 24,
+ EPDC_HIST_PARAM_VALUE8_MASK = 0x1F,
+ EPDC_HIST_PARAM_VALUE8_OFFSET = 0,
+ EPDC_HIST_PARAM_VALUE9_MASK = 0x1F00,
+ EPDC_HIST_PARAM_VALUE9_OFFSET = 8,
+ EPDC_HIST_PARAM_VALUE10_MASK = 0x1F0000,
+ EPDC_HIST_PARAM_VALUE10_OFFSET = 16,
+ EPDC_HIST_PARAM_VALUE11_MASK = 0x1F000000,
+ EPDC_HIST_PARAM_VALUE11_OFFSET = 24,
+ EPDC_HIST_PARAM_VALUE12_MASK = 0x1F,
+ EPDC_HIST_PARAM_VALUE12_OFFSET = 0,
+ EPDC_HIST_PARAM_VALUE13_MASK = 0x1F00,
+ EPDC_HIST_PARAM_VALUE13_OFFSET = 8,
+ EPDC_HIST_PARAM_VALUE14_MASK = 0x1F0000,
+ EPDC_HIST_PARAM_VALUE14_OFFSET = 16,
+ EPDC_HIST_PARAM_VALUE15_MASK = 0x1F000000,
+ EPDC_HIST_PARAM_VALUE15_OFFSET = 24,
+
+ /* EPDC_GPIO field values */
+ EPDC_GPIO_PWRCOM = 0x40,
+ EPDC_GPIO_PWRCTRL_MASK = 0x3c,
+ EPDC_GPIO_PWRCTRL_OFFSET = 2,
+ EPDC_GPIO_BDR_MASK = 0x3,
+ EPDC_GPIO_BDR_OFFSET = 0,
+
+ /* EPDC_VERSION field values */
+ EPDC_VERSION_MAJOR_MASK = 0xFF000000,
+ EPDC_VERSION_MAJOR_OFFSET = 24,
+ EPDC_VERSION_MINOR_MASK = 0xFF0000,
+ EPDC_VERSION_MINOR_OFFSET = 16,
+ EPDC_VERSION_STEP_MASK = 0xFFFF,
+ EPDC_VERSION_STEP_OFFSET = 0,
+};
+
+int setup_waveform_file(void);
+void epdc_power_on(void);
+void epdc_power_off(void);
+
+#endif
generated by cgit v1.1 at 2024-11-21 17:44:45 +0000