From 08a7aa1e5be7059d680fedf0a885655a895f638e Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Sun, 21 Feb 2016 21:08:38 -0700 Subject: exynos: video: Move driver files into their own directory Move all the exynos video drivers into one place for ease of maintenance. Signed-off-by: Simon Glass Acked-by: Anatolij Gustschin Signed-off-by: Minkyu Kang --- drivers/video/exynos_mipi_dsi_lowlevel.c | 639 ------------------------------- 1 file changed, 639 deletions(-) delete mode 100644 drivers/video/exynos_mipi_dsi_lowlevel.c (limited to 'drivers/video/exynos_mipi_dsi_lowlevel.c') diff --git a/drivers/video/exynos_mipi_dsi_lowlevel.c b/drivers/video/exynos_mipi_dsi_lowlevel.c deleted file mode 100644 index fcfdc8d..0000000 --- a/drivers/video/exynos_mipi_dsi_lowlevel.c +++ /dev/null @@ -1,639 +0,0 @@ -/* - * Copyright (C) 2012 Samsung Electronics - * - * Author: InKi Dae - * Author: Donghwa Lee - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include -#include -#include -#include -#include - -#include "exynos_mipi_dsi_lowlevel.h" -#include "exynos_mipi_dsi_common.h" - -void exynos_mipi_dsi_func_reset(struct mipi_dsim_device *dsim) -{ - unsigned int reg; - - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = readl(&mipi_dsim->swrst); - - reg |= DSIM_FUNCRST; - - writel(reg, &mipi_dsim->swrst); -} - -void exynos_mipi_dsi_sw_reset(struct mipi_dsim_device *dsim) -{ - unsigned int reg = 0; - - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = readl(&mipi_dsim->swrst); - - reg |= DSIM_SWRST; - reg |= DSIM_FUNCRST; - - writel(reg, &mipi_dsim->swrst); -} - -void exynos_mipi_dsi_sw_release(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->intsrc); - - reg |= INTSRC_SWRST_RELEASE; - - writel(reg, &mipi_dsim->intsrc); -} - -void exynos_mipi_dsi_set_interrupt_mask(struct mipi_dsim_device *dsim, - unsigned int mode, unsigned int mask) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->intmsk); - - if (mask) - reg |= mode; - else - reg &= ~mode; - - writel(reg, &mipi_dsim->intmsk); -} - -void exynos_mipi_dsi_init_fifo_pointer(struct mipi_dsim_device *dsim, - unsigned int cfg) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = readl(&mipi_dsim->fifoctrl); - - writel(reg & ~(cfg), &mipi_dsim->fifoctrl); - udelay(10 * 1000); - reg |= cfg; - - writel(reg, &mipi_dsim->fifoctrl); -} - -/* - * this function set PLL P, M and S value in D-PHY - */ -void exynos_mipi_dsi_set_phy_tunning(struct mipi_dsim_device *dsim, - unsigned int value) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - writel(DSIM_AFC_CTL(value), &mipi_dsim->phyacchr); -} - -void exynos_mipi_dsi_set_main_disp_resol(struct mipi_dsim_device *dsim, - unsigned int width_resol, unsigned int height_resol) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - /* standby should be set after configuration so set to not ready*/ - reg = (readl(&mipi_dsim->mdresol)) & ~(DSIM_MAIN_STAND_BY); - writel(reg, &mipi_dsim->mdresol); - - /* reset resolution */ - reg &= ~(DSIM_MAIN_VRESOL(0x7ff) | DSIM_MAIN_HRESOL(0x7ff)); - reg |= DSIM_MAIN_VRESOL(height_resol) | DSIM_MAIN_HRESOL(width_resol); - - reg |= DSIM_MAIN_STAND_BY; - writel(reg, &mipi_dsim->mdresol); -} - -void exynos_mipi_dsi_set_main_disp_vporch(struct mipi_dsim_device *dsim, - unsigned int cmd_allow, unsigned int vfront, unsigned int vback) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = (readl(&mipi_dsim->mvporch)) & - ~((DSIM_CMD_ALLOW_MASK) | (DSIM_STABLE_VFP_MASK) | - (DSIM_MAIN_VBP_MASK)); - - reg |= ((cmd_allow & 0xf) << DSIM_CMD_ALLOW_SHIFT) | - ((vfront & 0x7ff) << DSIM_STABLE_VFP_SHIFT) | - ((vback & 0x7ff) << DSIM_MAIN_VBP_SHIFT); - - writel(reg, &mipi_dsim->mvporch); -} - -void exynos_mipi_dsi_set_main_disp_hporch(struct mipi_dsim_device *dsim, - unsigned int front, unsigned int back) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = (readl(&mipi_dsim->mhporch)) & - ~((DSIM_MAIN_HFP_MASK) | (DSIM_MAIN_HBP_MASK)); - - reg |= (front << DSIM_MAIN_HFP_SHIFT) | (back << DSIM_MAIN_HBP_SHIFT); - - writel(reg, &mipi_dsim->mhporch); -} - -void exynos_mipi_dsi_set_main_disp_sync_area(struct mipi_dsim_device *dsim, - unsigned int vert, unsigned int hori) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = (readl(&mipi_dsim->msync)) & - ~((DSIM_MAIN_VSA_MASK) | (DSIM_MAIN_HSA_MASK)); - - reg |= ((vert & 0x3ff) << DSIM_MAIN_VSA_SHIFT) | - (hori << DSIM_MAIN_HSA_SHIFT); - - writel(reg, &mipi_dsim->msync); -} - -void exynos_mipi_dsi_set_sub_disp_resol(struct mipi_dsim_device *dsim, - unsigned int vert, unsigned int hori) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = (readl(&mipi_dsim->sdresol)) & - ~(DSIM_SUB_STANDY_MASK); - - writel(reg, &mipi_dsim->sdresol); - - reg &= ~(DSIM_SUB_VRESOL_MASK) | ~(DSIM_SUB_HRESOL_MASK); - reg |= ((vert & 0x7ff) << DSIM_SUB_VRESOL_SHIFT) | - ((hori & 0x7ff) << DSIM_SUB_HRESOL_SHIFT); - writel(reg, &mipi_dsim->sdresol); - - /* DSIM STANDBY */ - reg |= (1 << DSIM_SUB_STANDY_SHIFT); - writel(reg, &mipi_dsim->sdresol); -} - -void exynos_mipi_dsi_init_config(struct mipi_dsim_device *dsim) -{ - struct mipi_dsim_config *dsim_config = dsim->dsim_config; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int cfg = (readl(&mipi_dsim->config)) & - ~((1 << DSIM_EOT_PACKET_SHIFT) | - (0x1f << DSIM_HSA_MODE_SHIFT) | - (0x3 << DSIM_NUM_OF_DATALANE_SHIFT)); - - cfg |= (dsim_config->auto_flush << DSIM_AUTO_FLUSH_SHIFT) | - (dsim_config->eot_disable << DSIM_EOT_PACKET_SHIFT) | - (dsim_config->auto_vertical_cnt << DSIM_AUTO_MODE_SHIFT) | - (dsim_config->hse << DSIM_HSE_MODE_SHIFT) | - (dsim_config->hfp << DSIM_HFP_MODE_SHIFT) | - (dsim_config->hbp << DSIM_HBP_MODE_SHIFT) | - (dsim_config->hsa << DSIM_HSA_MODE_SHIFT) | - (dsim_config->e_no_data_lane << DSIM_NUM_OF_DATALANE_SHIFT); - - writel(cfg, &mipi_dsim->config); -} - -void exynos_mipi_dsi_display_config(struct mipi_dsim_device *dsim, - struct mipi_dsim_config *dsim_config) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - u32 reg = (readl(&mipi_dsim->config)) & - ~((0x3 << DSIM_BURST_MODE_SHIFT) | (1 << DSIM_VIDEO_MODE_SHIFT) - | (0x3 << DSIM_MAINVC_SHIFT) | (0x7 << DSIM_MAINPIX_SHIFT) - | (0x3 << DSIM_SUBVC_SHIFT) | (0x7 << DSIM_SUBPIX_SHIFT)); - - if (dsim_config->e_interface == DSIM_VIDEO) - reg |= (1 << DSIM_VIDEO_MODE_SHIFT); - else if (dsim_config->e_interface == DSIM_COMMAND) - reg &= ~(1 << DSIM_VIDEO_MODE_SHIFT); - else { - printf("unknown lcd type.\n"); - return; - } - - /* main lcd */ - reg |= ((u8) (dsim_config->e_burst_mode) & 0x3) << DSIM_BURST_MODE_SHIFT - | ((u8) (dsim_config->e_virtual_ch) & 0x3) << DSIM_MAINVC_SHIFT - | ((u8) (dsim_config->e_pixel_format) & 0x7) << DSIM_MAINPIX_SHIFT; - - writel(reg, &mipi_dsim->config); -} - -void exynos_mipi_dsi_enable_lane(struct mipi_dsim_device *dsim, - unsigned int lane, unsigned int enable) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = readl(&mipi_dsim->config); - - if (enable) - reg |= DSIM_LANE_ENx(lane); - else - reg &= ~DSIM_LANE_ENx(lane); - - writel(reg, &mipi_dsim->config); -} - -void exynos_mipi_dsi_set_data_lane_number(struct mipi_dsim_device *dsim, - unsigned int count) -{ - unsigned int cfg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - /* get the data lane number. */ - cfg = DSIM_NUM_OF_DATA_LANE(count); - - writel(cfg, &mipi_dsim->config); -} - -void exynos_mipi_dsi_enable_afc(struct mipi_dsim_device *dsim, - unsigned int enable, unsigned int afc_code) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->phyacchr); - - reg = 0; - - if (enable) { - reg |= DSIM_AFC_EN; - reg &= ~(0x7 << DSIM_AFC_CTL_SHIFT); - reg |= DSIM_AFC_CTL(afc_code); - } else - reg &= ~DSIM_AFC_EN; - - writel(reg, &mipi_dsim->phyacchr); -} - -void exynos_mipi_dsi_enable_pll_bypass(struct mipi_dsim_device *dsim, - unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->clkctrl)) & - ~(DSIM_PLL_BYPASS_EXTERNAL); - - reg |= enable << DSIM_PLL_BYPASS_SHIFT; - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_pll_freq_band(struct mipi_dsim_device *dsim, - unsigned int freq_band) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->pllctrl)) & - ~(0x1f << DSIM_FREQ_BAND_SHIFT); - - reg |= ((freq_band & 0x1f) << DSIM_FREQ_BAND_SHIFT); - - writel(reg, &mipi_dsim->pllctrl); -} - -void exynos_mipi_dsi_pll_freq(struct mipi_dsim_device *dsim, - unsigned int pre_divider, unsigned int main_divider, - unsigned int scaler) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->pllctrl)) & - ~(0x7ffff << 1); - - reg |= ((pre_divider & 0x3f) << DSIM_PREDIV_SHIFT) | - ((main_divider & 0x1ff) << DSIM_MAIN_SHIFT) | - ((scaler & 0x7) << DSIM_SCALER_SHIFT); - - writel(reg, &mipi_dsim->pllctrl); -} - -void exynos_mipi_dsi_pll_stable_time(struct mipi_dsim_device *dsim, - unsigned int lock_time) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - writel(lock_time, &mipi_dsim->plltmr); -} - -void exynos_mipi_dsi_enable_pll(struct mipi_dsim_device *dsim, - unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->pllctrl)) & - ~(0x1 << DSIM_PLL_EN_SHIFT); - - reg |= ((enable & 0x1) << DSIM_PLL_EN_SHIFT); - - writel(reg, &mipi_dsim->pllctrl); -} - -void exynos_mipi_dsi_set_byte_clock_src(struct mipi_dsim_device *dsim, - unsigned int src) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->clkctrl)) & - ~(0x3 << DSIM_BYTE_CLK_SRC_SHIFT); - - reg |= ((unsigned int) src) << DSIM_BYTE_CLK_SRC_SHIFT; - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_enable_byte_clock(struct mipi_dsim_device *dsim, - unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->clkctrl)) & - ~(1 << DSIM_BYTE_CLKEN_SHIFT); - - reg |= enable << DSIM_BYTE_CLKEN_SHIFT; - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_set_esc_clk_prs(struct mipi_dsim_device *dsim, - unsigned int enable, unsigned int prs_val) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->clkctrl)) & - ~((1 << DSIM_ESC_CLKEN_SHIFT) | (0xffff)); - - reg |= enable << DSIM_ESC_CLKEN_SHIFT; - if (enable) - reg |= prs_val; - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_enable_esc_clk_on_lane(struct mipi_dsim_device *dsim, - unsigned int lane_sel, unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->clkctrl); - - if (enable) - reg |= DSIM_LANE_ESC_CLKEN(lane_sel); - else - reg &= ~DSIM_LANE_ESC_CLKEN(lane_sel); - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_force_dphy_stop_state(struct mipi_dsim_device *dsim, - unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->escmode)) & - ~(0x1 << DSIM_FORCE_STOP_STATE_SHIFT); - - reg |= ((enable & 0x1) << DSIM_FORCE_STOP_STATE_SHIFT); - - writel(reg, &mipi_dsim->escmode); -} - -unsigned int exynos_mipi_dsi_is_lane_state(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->status); - - /** - * check clock and data lane states. - * if MIPI-DSI controller was enabled at bootloader then - * TX_READY_HS_CLK is enabled otherwise STOP_STATE_CLK. - * so it should be checked for two case. - */ - if ((reg & DSIM_STOP_STATE_DAT(0xf)) && - ((reg & DSIM_STOP_STATE_CLK) || - (reg & DSIM_TX_READY_HS_CLK))) - return 1; - else - return 0; -} - -void exynos_mipi_dsi_set_stop_state_counter(struct mipi_dsim_device *dsim, - unsigned int cnt_val) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->escmode)) & - ~(0x7ff << DSIM_STOP_STATE_CNT_SHIFT); - - reg |= ((cnt_val & 0x7ff) << DSIM_STOP_STATE_CNT_SHIFT); - - writel(reg, &mipi_dsim->escmode); -} - -void exynos_mipi_dsi_set_bta_timeout(struct mipi_dsim_device *dsim, - unsigned int timeout) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->timeout)) & - ~(0xff << DSIM_BTA_TOUT_SHIFT); - - reg |= (timeout << DSIM_BTA_TOUT_SHIFT); - - writel(reg, &mipi_dsim->timeout); -} - -void exynos_mipi_dsi_set_lpdr_timeout(struct mipi_dsim_device *dsim, - unsigned int timeout) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->timeout)) & - ~(0xffff << DSIM_LPDR_TOUT_SHIFT); - - reg |= (timeout << DSIM_LPDR_TOUT_SHIFT); - - writel(reg, &mipi_dsim->timeout); -} - -void exynos_mipi_dsi_set_cpu_transfer_mode(struct mipi_dsim_device *dsim, - unsigned int lp) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->escmode); - - reg &= ~DSIM_CMD_LPDT_LP; - - if (lp) - reg |= DSIM_CMD_LPDT_LP; - - writel(reg, &mipi_dsim->escmode); -} - -void exynos_mipi_dsi_set_lcdc_transfer_mode(struct mipi_dsim_device *dsim, - unsigned int lp) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->escmode); - - reg &= ~DSIM_TX_LPDT_LP; - - if (lp) - reg |= DSIM_TX_LPDT_LP; - - writel(reg, &mipi_dsim->escmode); -} - -void exynos_mipi_dsi_enable_hs_clock(struct mipi_dsim_device *dsim, - unsigned int enable) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->clkctrl)) & - ~(1 << DSIM_TX_REQUEST_HSCLK_SHIFT); - - reg |= enable << DSIM_TX_REQUEST_HSCLK_SHIFT; - - writel(reg, &mipi_dsim->clkctrl); -} - -void exynos_mipi_dsi_dp_dn_swap(struct mipi_dsim_device *dsim, - unsigned int swap_en) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->phyacchr1); - - reg &= ~(0x3 << DSIM_DPDN_SWAP_DATA_SHIFT); - reg |= (swap_en & 0x3) << DSIM_DPDN_SWAP_DATA_SHIFT; - - writel(reg, &mipi_dsim->phyacchr1); -} - -void exynos_mipi_dsi_hs_zero_ctrl(struct mipi_dsim_device *dsim, - unsigned int hs_zero) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->pllctrl)) & - ~(0xf << DSIM_ZEROCTRL_SHIFT); - - reg |= ((hs_zero & 0xf) << DSIM_ZEROCTRL_SHIFT); - - writel(reg, &mipi_dsim->pllctrl); -} - -void exynos_mipi_dsi_prep_ctrl(struct mipi_dsim_device *dsim, unsigned int prep) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (readl(&mipi_dsim->pllctrl)) & - ~(0x7 << DSIM_PRECTRL_SHIFT); - - reg |= ((prep & 0x7) << DSIM_PRECTRL_SHIFT); - - writel(reg, &mipi_dsim->pllctrl); -} - -void exynos_mipi_dsi_clear_interrupt(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->intsrc); - - reg |= INTSRC_PLL_STABLE; - - writel(reg, &mipi_dsim->intsrc); -} - -void exynos_mipi_dsi_clear_all_interrupt(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - writel(0xffffffff, &mipi_dsim->intsrc); -} - -unsigned int exynos_mipi_dsi_is_pll_stable(struct mipi_dsim_device *dsim) -{ - unsigned int reg; - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - reg = readl(&mipi_dsim->status); - - return reg & DSIM_PLL_STABLE ? 1 : 0; -} - -unsigned int exynos_mipi_dsi_get_fifo_state(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - return readl(&mipi_dsim->fifoctrl) & ~(0x1f); -} - -void exynos_mipi_dsi_wr_tx_header(struct mipi_dsim_device *dsim, - unsigned int di, const unsigned char data0, const unsigned char data1) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = (DSIM_PKTHDR_DAT1(data1) | DSIM_PKTHDR_DAT0(data0) | - DSIM_PKTHDR_DI(di)); - - writel(reg, &mipi_dsim->pkthdr); -} - -unsigned int _exynos_mipi_dsi_get_frame_done_status(struct mipi_dsim_device - *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->intsrc); - - return (reg & INTSRC_FRAME_DONE) ? 1 : 0; -} - -void _exynos_mipi_dsi_clear_frame_done(struct mipi_dsim_device *dsim) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - unsigned int reg = readl(&mipi_dsim->intsrc); - - writel(reg | INTSRC_FRAME_DONE, &mipi_dsim->intsrc); -} - -void exynos_mipi_dsi_wr_tx_data(struct mipi_dsim_device *dsim, - unsigned int tx_data) -{ - struct exynos_mipi_dsim *mipi_dsim = - (struct exynos_mipi_dsim *)samsung_get_base_mipi_dsim(); - - writel(tx_data, &mipi_dsim->payload); -} -- cgit v1.1