From: Donghwa Lee Date: Mon, 13 Sep 2010 04:52:57 +0000 (+0900) Subject: s5p: mipi: add header files for mipi-dsim X-Git-Tag: JI01_20100913~3 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5e517ead2d7c656f6d1ba3d9206188300001fa60;p=kernel%2Fu-boot.git s5p: mipi: add header files for mipi-dsim --- diff --git a/arch/arm/include/asm/arch-s5pc1xx/mipi_ddi.h b/arch/arm/include/asm/arch-s5pc1xx/mipi_ddi.h new file mode 100644 index 0000000..7895f3e --- /dev/null +++ b/arch/arm/include/asm/arch-s5pc1xx/mipi_ddi.h @@ -0,0 +1,88 @@ +/* linux/arm/arch/mach-s5pc110/include/mach/mipi_ddi.h + * + * definitions for DDI based MIPI-DSI. + * + * Copyright (c) 2009 Samsung Electronics + * InKi Dae + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef _MIPI_DDI_H +#define _MIPI_DDI_H + +enum mipi_ddi_interface { + RGB_IF = 0x4000, + I80_IF = 0x8000, + YUV_601 = 0x10000, + YUV_656 = 0x20000, + MIPI_VIDEO = 0x1000, + MIPI_COMMAND = 0x2000, +}; + +enum mipi_ddi_panel_select { + DDI_MAIN_LCD = 0, + DDI_SUB_LCD = 1, +}; + +enum mipi_ddi_model { + S6DR117 = 0, +}; + +enum mipi_ddi_parameter { + /* DSIM video interface parameter */ + DSI_VIRTUAL_CH_ID = 0, + DSI_FORMAT = 1, + DSI_VIDEO_MODE_SEL = 2, +}; + +struct lcd_device; + +struct mipi_ddi_platform_data { + void *dsim_data; + /* + * it is used for command mode lcd panel and + * when all contents of framebuffer in panel module are transfered + * to lcd panel it occurs te signal. + * + * note: + * - in case of command mode(cpu mode), it should be triggered only + * when TE signal of lcd panel and frame done interrupt of display + * controller or mipi controller occurs. + */ + unsigned int te_irq; + + /* + * it is used for PM stable time at te interrupt handler and + * could be used according to lcd panel characteristic or not. + */ + unsigned int resume_complete; + /* transfer command to lcd panel at LP mode. */ + int (*cmd_write) (void *dsim_data, unsigned int data_id, + unsigned int data0, unsigned int data1); + int (*cmd_read) (void *dsim_data, unsigned int data_id, + unsigned int data0, unsigned int data1); + /* + * get the status that all screen data have been transferred + * to mipi-dsi. + */ + int (*get_dsim_frame_done) (void *dsim_data); + int (*clear_dsim_frame_done) (void *dsim_data); + + /* + * changes mipi transfer mode to LP or HS mode. + * + * LP mode needs when some commands like gamma values transfers + * to lcd panel. + */ + int (*change_dsim_transfer_mode) (int mode); + + /* get frame done status of display controller. */ + int (*get_fb_frame_done) (void); + /* trigger display controller in case of cpu mode. */ + void (*trigger) (void); +}; + +#endif /* _MIPI_DDI_H */ diff --git a/arch/arm/include/asm/arch-s5pc1xx/regs-dsim.h b/arch/arm/include/asm/arch-s5pc1xx/regs-dsim.h new file mode 100644 index 0000000..57b86e2 --- /dev/null +++ b/arch/arm/include/asm/arch-s5pc1xx/regs-dsim.h @@ -0,0 +1,302 @@ +/* linux/asm/arch/regs-dsim.h + * + * Register definition file for MIPI-DSI driver + * + * Donghwa Lee, Copyright (c) 2010 Samsung Electronics + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#define S5P_DSIMREG(x) (x) + +#define S5P_DSIM_STATUS S5P_DSIMREG(0x0000) +#define S5P_DSIM_SWRST S5P_DSIMREG(0x0004) +#define S5P_DSIM_CLKCTRL S5P_DSIMREG(0x0008) +#define S5P_DSIM_TIMEOUT S5P_DSIMREG(0x000C) +#define S5P_DSIM_CONFIG S5P_DSIMREG(0x0010) +#define S5P_DSIM_ESCMODE S5P_DSIMREG(0x0014) +#define S5P_DSIM_MDRESOL S5P_DSIMREG(0x0018) +#define S5P_DSIM_MVPORCH S5P_DSIMREG(0x001C) +#define S5P_DSIM_MHPORCH S5P_DSIMREG(0x0020) +#define S5P_DSIM_MSYNC S5P_DSIMREG(0x0024) +#define S5P_DSIM_SDRESOL S5P_DSIMREG(0x0028) +#define S5P_DSIM_INTSRC S5P_DSIMREG(0x002C) +#define S5P_DSIM_INTMSK S5P_DSIMREG(0x0030) +#define S5P_DSIM_PKTHDR S5P_DSIMREG(0x0034) +#define S5P_DSIM_PAYLOAD S5P_DSIMREG(0x0038) +#define S5P_DSIM_RXFIFO S5P_DSIMREG(0x003C) +#define S5P_DSIM_FIFOTHLD S5P_DSIMREG(0x0040) +#define S5P_DSIM_FIFOCTRL S5P_DSIMREG(0x0044) +#define S5P_DSIM_MEMACCHR S5P_DSIMREG(0x0048) +#define S5P_DSIM_PLLCTRL S5P_DSIMREG(0x004C) +#define S5P_DSIM_PLLTMR S5P_DSIMREG(0x0050) +#define S5P_DSIM_PHYACCHR S5P_DSIMREG(0x0054) +#define S5P_DSIM_PHYACCHR1 S5P_DSIMREG(0x0058) + + +/* + * Bit Definitions +*/ +#define DSIM_STATUS_PLLSTABLE (0 << 31) +#define DSIM_STATUS_SWRSTRLS (1 << 20) +#define DSIM_STATUS_SWRSTRST (0 << 20) +#define DSIM_STATUS_DIRECTION_B (1 << 16) +#define DSIM_STATUS_DIRECTION_F (0 << 16) +#define DSIM_STATUS_TX_READY_HSCLK (1 << 10) +#define DSIM_STATUS_TX_NOTREADY_HSCLK (1 << 10) +#define DSIM_STATUS_ULPSCLK (1 << 9) +#define DSIM_STATUS_NOULPSCLK (0 << 9) +#define DSIM_STATUS_STOP_STATECLK (0 << 8) +#define DSIM_STATUS_NOSTOP_STATECLK (0 << 8) +#define DSIM_STATUS_ULPSDAT(x) (((x) & 0xf) << 4) +#define DSIM_STATUS_STOP_STATEDAT(x) ((x) & 0xf) + +#define DSIM_SWRST_FUNCRST_STANDBY (0 << 16) +#define DSIM_SWRST_FUNCRST_RESET (1 << 16) +#define DSIM_SWRST_SWRST_STANDBY (0 << 0) +#define DSIM_SWRST_SWRST_RESET (1 << 0) + +/* S5P_DSIM_TIMEOUT */ +#define DSIM_LPDR_TOUT_SHIFT (0) +#define DSIM_BTA_TOUT_SHIFT (16) +#define DSIM_LPDR_TOUT(x) (((x) & 0xffff) << DSIM_LPDR_TOUT_SHIFT) +#define DSIM_BTA_TOUT(x) (((x) & 0xff) << DSIM_BTA_TOUT_SHIFT) + +/* S5P_DSIM_CLKCTRL */ +#define DSIM_ESC_PRESCALER_SHIFT (0) +#define DSIM_LANE_ESC_CLKEN_SHIFT (19) +#define DSIM_BYTE_CLKEN_SHIFT (24) +#define DSIM_BYTE_CLK_SRC_SHIFT (25) +#define DSIM_PLL_BYPASS_SHIFT (27) +#define DSIM_ESC_CLKEN_SHIFT (28) +#define DSIM_TX_REQUEST_HSCLK_SHIFT (31) +#define DSIM_ESC_PRESCALER(x) (((x) & 0xffff) << \ + DSIM_ESC_PRESCALER_SHIFT) +#define DSIM_LANE_ESC_CLKEN(x) (((x) & 0x1f) << \ + DSIM_LANE_ESC_CLKEN_SHIFT) +#define DSIM_BYTE_CLK_ENABLE (1 << DSIM_BYTE_CLKEN_SHIFT) +#define DSIM_BYTE_CLK_DISABLE (0 << DSIM_BYTE_CLKEN_SHIFT) +#define DSIM_BYTE_CLKSRC(x) (((x) & 0x3) << DSIM_BYTE_CLK_SRC_SHIFT) +#define DSIM_PLL_BYPASS_PLL (0 << DSIM_PLL_BYPASS_SHIFT) +#define DSIM_PLL_BYPASS_EXTERNAL (1 << DSIM_PLL_BYPASS_SHIFT) +#define DSIM_ESC_CLKEN_ENABLE (1 << DSIM_ESC_CLKEN_SHIFT) +#define DSIM_ESC_CLKEN_DISABLE (0 << DSIM_ESC_CLKEN_SHIFT) + +#define DSIM_TIMEOUT_BTATOUT(x) (((x) & 0xff) << 16) +#define DSIM_TIMEOUT_LPDRTOUT(x) (((x) & 0xffff) << 0) + +/* S5P_DSIM_CONFIG */ +#define DSIM_LANE_EN_SHIFT (0) +#define DSIM_NUM_OF_DATALANE_SHIFT (5) +#define DSIM_SUB_PIX_FORMAT_SHIFT (8) +#define DSIM_MAIN_PIX_FORMAT_SHIFT (12) +#define DSIM_SUB_VC_SHIFT (16) +#define DSIM_MAIN_VC_SHIFT (18) +#define DSIM_HSA_MODE_SHIFT (20) +#define DSIM_HBP_MODE_SHIFT (21) +#define DSIM_HFP_MODE_SHIFT (22) +#define DSIM_HSE_MODE_SHIFT (23) +#define DSIM_AUTO_MODE_SHIFT (24) +#define DSIM_VIDEO_MODE_SHIFT (25) +#define DSIM_BURST_MODE_SHIFT (26) +#define DSIM_SYNC_INFORM_SHIFT (27) +#define DSIM_EOT_R03_SHIFT (28) +#define DSIM_LANE_ENx(x) ((1) << x) + +/* in case of Gemunus, it should be 0x1. */ +#define DSIM_NUM_OF_DATA_LANE(x) ((x) << 5) +#define DSIM_SUB_PIX_FORMAT_3BPP (0 << 8) /* command mode only */ +#define DSIM_SUB_PIX_FORMAT_8BPP (1 << 8) /* command mode only */ +#define DSIM_SUB_PIX_FORMAT_12BPP (2 << 8) /* command mode only */ +#define DSIM_SUB_PIX_FORMAT_16BPP (3 << 8) /* command mode only */ +#define DSIM_SUB_PIX_FORMAT_16BPP_RGB (4 << 8) /* video mode only */ +#define DSIM_SUB_PIX_FORMAT_18BPP_PRGB (5 << 8) /* video mode only */ +#define DSIM_SUB_PIX_FORMAT_18BPP_LRGB (6 << 8) /* common */ +#define DSIM_SUB_PIX_FORMAT_24BPP_RGB (7 << 8) /* common */ +#define DSIM_MAIN_PIX_FORMAT_3BPP (0 << 12) /* command mode only */ +#define DSIM_MAIN_PIX_FORMAT_8BPP (1 << 12) /* command mode only */ +#define DSIM_MAIN_PIX_FORMAT_12BPP (2 << 12) /* command mode only */ +#define DSIM_MAIN_PIX_FORMAT_16BPP (3 << 12) /* command mode only */ +#define DSIM_MAIN_PIX_FORMAT_16BPP_RGB (4 << 12) /* video mode only */ +#define DSIM_MAIN_PIX_FORMAT_18BPP_PRGB (5 << 12) /* video mode only */ +#define DSIM_MAIN_PIX_FORMAT_18BPP_LRGB (6 << 12) /* common */ +#define DSIM_MAIN_PIX_FORMAT_24BPP_RGB (7 << 12) /* common */ + +/* Virtual channel number for sub display */ +#define DSIM_SUB_VC(x) (((x) & 0x3) << 16) +/* Virtual channel number for main display */ +#define DSIM_MAIN_VC(x) (((x) & 0x3) << 18) +#define DSIM_HSA_MODE_ENABLE (1 << 20) +#define DSIM_HSA_MODE_DISABLE (0 << 20) +#define DSIM_HBP_MODE_ENABLE (1 << 21) +#define DSIM_HBP_MODE_DISABLE (0 << 21) +#define DSIM_HFP_MODE_ENABLE (1 << 22) +#define DSIM_HFP_MODE_DISABLE (0 << 22) +#define DSIM_HSE_MODE_ENABLE (1 << 23) +#define DSIM_HSE_MODE_DISABLE (0 << 23) +#define DSIM_AUTO_MODE (1 << 24) +#define DSIM_CONFIGURATION_MODE (0 << 24) +#define DSIM_VIDEO_MODE (1 << 25) +#define DSIM_COMMAND_MODE (0 << 25) +#define DSIM_BURST_MODE (1 << 26) +#define DSIM_NON_BURST_MODE (0 << 26) +#define DSIM_SYNC_INFORM_PULSE (1 << 27) +#define DSIM_SYNC_INFORM_EVENT (0 << 27) +/* enable EoT packet generation for V1.01r11 */ +#define DSIM_EOT_R03_ENABLE (0 << 28) +/* disable EoT packet generation for V1.01r03 */ +#define DSIM_EOT_R03_DISABLE (1 << 28) + +/* S5P_DSIM_MHPORCH */ +#define DSIM_MAIN_HFP_SHIFT (16) +#define DSIM_MAIN_HBP_SHIFT (0) +#define DSIM_MAIN_HFP_MASK ((0xffff) << DSIM_MAIN_HFP_SHIFT) +#define DSIM_MAIN_HBP_MASK ((0xffff) << DSIM_MAIN_HBP_SHIFT) +#define DSIM_MAIN_HFP(x) (((x) & 0xffff) << DSIM_MAIN_HFP_SHIFT) +#define DSIM_MAIN_HBP(x) (((x) & 0xffff) << DSIM_MAIN_HBP_SHIFT) + +/* S5P_DSIM_MSYNC */ +#define DSIM_MAIN_VSA_SHIFT (22) +#define DSIM_MAIN_HSA_SHIFT (0) +#define DSIM_MAIN_VSA_MASK ((0x3ff) << DSIM_MAIN_VSA_SHIFT) +#define DSIM_MAIN_HSA_MASK ((0xffff) << DSIM_MAIN_HSA_SHIFT) +#define DSIM_MAIN_VSA(x) (((x) & 0x3ff) << DSIM_MAIN_VSA_SHIFT) +#define DSIM_MAIN_HSA(x) (((x) & 0xffff) << DSIM_MAIN_HSA_SHIFT) + +/* S5P_DSIM_ESCMODE */ +#define DSIM_STOP_STATE_CNT_SHIFT (21) +#define DSIM_STOP_STATE_CNT(x) (((x) & 0x3ff) << \ + DSIM_STOP_STATE_CNT_SHIFT) +#define DSIM_FORCE_STOP_STATE_SHIFT (20) +#define DSIM_FORCE_BTA_SHIFT (16) +#define DSIM_CMD_LPDT_HS_MODE (0 << 7) +#define DSIM_CMD_LPDT_LP_MODE (1 << 7) +#define DSIM_TX_LPDT_HS_MODE (0 << 6) +#define DSIM_TX_LPDT_LP_MODE (1 << 6) +#define DSIM_TX_TRIGGER_RST_SHIFT (4) +#define DSIM_TX_UIPS_DAT_SHIFT (3) +#define DSIM_TX_UIPS_EXIT_SHIFT (2) +#define DSIM_TX_UIPS_CLK_SHIFT (1) +#define DSIM_TX_UIPS_CLK_EXIT_SHIFT (0) + +/* S5P_DSIM_MDRESOL */ +#define DSIM_MDRESOL_MAIN_NOT_STANDBY (0 << 31) +#define DSIM_MDRESOL_MAIN_STAND_BY (1 << 31) +#define DSIM_MDRESOL_MAIN_VRESOL(x) (((x) & 0x7ff) << 16) +#define DSIM_MDRESOL_MAIN_HRESOL(x) (((x) & 0x7ff) << 0) + +/* S5P_DSIM_MVPORCH */ +#define DSIM_CMD_ALLOW_SHIFT (28) +#define DSIM_STABLE_VFP_SHIFT (16) +#define DSIM_MAIN_VBP_SHIFT (0) +#define DSIM_CMD_ALLOW_MASK (0xf << DSIM_CMD_ALLOW_SHIFT) +#define DSIM_STABLE_VFP_MASK (0x7ff << DSIM_STABLE_VFP_SHIFT) +#define DSIM_MAIN_VBP_MASK (0x7ff << DSIM_MAIN_VBP_SHIFT) +#define DSIM_CMD_ALLOW(x) (((x) & 0xf) << DSIM_CMD_ALLOW_SHIFT) +#define DSIM_STABLE_VFP(x) (((x) & 0x7ff) << DSIM_STABLE_VFP_SHIFT) +#define DSIM_MAIN_VBP(x) (((x) & 0x7ff) << DSIM_MAIN_VBP_SHIFT) + +/* S5P_DSIM_MHPORCH */ +#define DSIM_MHPORCH_MAIN_HFP(x) (((x) & 0xffff) << 16) +#define DSIM_MHPORCH_MAIN_HBP(x) (((x) & 0xffff) << 0) + + +#define DSIM_MSYNC_MAIN_VSA(x) (((x) & 0x3ff) << 22) +#define DSIM_MSYNC_MAIN_HSA(x) (((x) & 0xffff) << 0) + +/* S5P_DSIM_SDRESOL */ +#define DSIM_SUB_STANDY_SHIFT (31) +#define DSIM_SUB_VRESOL_SHIFT (16) +#define DSIM_SUB_HRESOL_SHIFT (0) +#define DSIM_SUB_STANDY_MASK ((0x1) << DSIM_SUB_STANDY_SHIFT) +#define DSIM_SUB_VRESOL_MASK ((0x7ff) << DSIM_SUB_VRESOL_SHIFT) +#define DSIM_SUB_HRESOL_MASK ((0x7ff) << DSIM_SUB_HRESOL_SHIFT) +#define DSIM_SUB_STANDY (1 << DSIM_SUB_STANDY_SHIFT) +#define DSIM_SUB_NOT_READY (0 << DSIM_SUB_STANDY_SHIFT) +#define DSIM_SUB_VRESOL(x) (((x) & 0x7ff) << DSIM_SUB_VRESOL_SHIFT) +#define DSIM_SUB_HRESOL(x) (((x) & 0x7ff) << DSIM_SUB_HRESOL_SHIFT) + + +#define DSIM_INTSRC_PLL_STABLE (1 << 31) +#define DSIM_INTSRC_SW_RST_RELEASE (1 << 30) +#define DSIM_INTSRC_SFR_FIFO_EMPTY (1 << 29) +#define DSIM_INTSRC_SYNC_OVERRIDE (1 << 28) +#define DSIM_INTSRC_BUS_TURN_OVER (1 << 25) +#define DSIM_INTSRC_FRAME_DONE (1 << 24) +#define DSIM_INTSRC_LPDRTOUT (1 << 21) +#define DSIM_INTSRC_TATOUT (1 << 20) +#define DSIM_INTSRC_RX_DAT_DONE (1 << 18) +#define DSIM_INTSRC_RX_TE (1 << 17) +#define DSIM_INTSRC_RX_ACK (1 << 16) +#define DSIM_INTSRC_ERR_RX_ECC (1 << 15) +#define DSIM_INTSRC_ERR_RX_CRC (1 << 14) +#define DSIM_INTSRC_ERR_ESC3 (1 << 13) +#define DSIM_INTSRC_ERR_ESC2 (1 << 12) +#define DSIM_INTSRC_ERR_ESC1 (1 << 11) +#define DSIM_INTSRC_ERR_ESC0 (1 << 10) +#define DSIM_INTSRC_ERR_SYNC3 (1 << 9) +#define DSIM_INTSRC_ERR_SYNC2 (1 << 8) +#define DSIM_INTSRC_ERR_SYNC1 (1 << 7) +#define DSIM_INTSRC_ERR_SYNC0 (1 << 6) +#define DSIM_INTSRC_ERR_CONTROL3 (1 << 5) +#define DSIM_INTSRC_ERR_CONTROL2 (1 << 4) +#define DSIM_INTSRC_ERR_CONTROL1 (1 << 3) +#define DSIM_INTSRC_ERR_CONTROL0 (1 << 2) +#define DSIM_INTSRC_ERR_CONTENT_LP0 (1 << 1) +#define DSIM_INTSRC_ERR_CONTENT_LP1 (1 << 0) + +#define DSIM_INTMSK_ERR_CONTENT_LP1 (1 << 0) +#define DSIM_INTMSK_ERR_CONTENT_LP0 (1 << 1) +#define DSIM_INTMSK_ERR_CONTROL0 (1 << 2) +#define DSIM_INTMSK_ERR_CONTROL1 (1 << 3) +#define DSIM_INTMSK_ERR_CONTROL2 (1 << 4) +#define DSIM_INTMSK_ERR_CONTROL3 (1 << 5) +#define DSIM_INTMSK_ERR_SYNC0 (1 << 6) +#define DSIM_INTMSK_ERR_SYNC1 (1 << 7) +#define DSIM_INTMSK_ERR_SYNC2 (1 << 8) +#define DSIM_INTMSK_ERR_SYNC3 (1 << 9) +#define DSIM_INTMSK_ERR_ESC0 (1 << 10) +#define DSIM_INTMSK_ERR_ESC1 (1 << 11) +#define DSIM_INTMSK_ERR_ESC2 (1 << 12) +#define DSIM_INTMSK_ERR_ESC3 (1 << 13) +#define DSIM_INTMSK_ERR_RX_CRC (1 << 14) +#define DSIM_INTMSK_ERR_RX_ECC (1 << 15) +#define DSIM_INTMSK_RX_ACK (1 << 16) +#define DSIM_INTMSK_RX_TE (1 << 17) +#define DSIM_INTMSK_RX_DAT_DONE (1 << 18) +#define DSIM_INTMSK_TA_TOUT (1 << 20) +#define DSIM_INTMSK_LPDR_TOUT (1 << 21) +#define DSIM_INTMSK_FRAME_DONE (1 << 24) +#define DSIM_INTMSK_BUS_TURN_OVER (1 << 25) +#define DSIM_INTMSK_SFR_FIFO_EMPTY (1 << 29) +#define DSIM_INTMSK_SW_RST_RELEASE (1 << 30) +#define DSIM_INTMSK_PLL_STABLE (1 << 31) + +#define DSIM_PKTHDR_HEADER_DI(x) (((x) & 0xff) << 0) +#define DSIM_PKTHDR_HEADER_DAT0(x) (((x) & 0xff) << 8) +#define DSIM_PKTHDR_HEADER_DAT1(x) (((x) & 0xff) << 16) + +/* S5P_DSIM_PHYACCHR */ +#define DSIM_AFC_CTL(x) (((x) & 0x7) << 5) +#define DSIM_AFC_ENABLE (1 << 14) +#define DSIM_AFC_DISABLE (0 << 14) + +#define DSIM_RX_FIFO (1 << 4) +#define DSIM_TX_SFR_FIFO (1 << 3) +#define DSIM_I80_FIFO (1 << 2) +#define DSIM_SUB_DISP_FIFO (1 << 1) +#define DSIM_MAIN_DISP_FIFO (1 << 0) + +/* S5P_DSIM_PLLCTRL */ +#define DSIM_PMS_SHIFT (1) +#define DSIM_PLL_EN_SHIFT (23) +#define DSIM_FREQ_BAND_SHIFT (24) +#define DSIM_PMS(x) (((x) & 0x7ffff) << DSIM_PMS_SHIFT) +#define DSIM_FREQ_BAND(x) (((x) & 0xf) << DSIM_FREQ_BAND_SHIFT) + +/* DSIM_SWRST */ +#define DSIM_FUNCRST (1 << 16) +#define DSIM_SWRST (1 << 0) + diff --git a/include/dsim.h b/include/dsim.h new file mode 100644 index 0000000..272df9d --- /dev/null +++ b/include/dsim.h @@ -0,0 +1,466 @@ +/* linux/arm/arch/mach-s5pc110/include/mach/dsim.h + * + * Platform data header for Samsung MIPI-DSIM. + * + * Copyright (c) 2009 Samsung Electronics + * InKi Dae + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include +#include + +#define DEBUG +#undef DEBUG +#ifdef DEBUG +#define udebug(args...) printf(args) +#else +#define udebug(args...) do { } while (0) +#endif + +/* h/w configuration */ +#define MIPI_FIN 24000000 +#define DSIM_TIMEOUT_MS 5000 +#define DSIM_NO_OF_INTERRUPT 26 +#define DSIM_PM_STABLE_TIME 10 + +#define DSIM_TRUE 1 +#define DSIM_FALSE 0 + +#define DSIM_HEADER_FIFO_SZ 16 + +/* should be '1' before enabling DSIM */ +#define S5P_MIPI_M_RESETN 0xE0107200 +#define S5P_MIPI_PHY_CON0 (1 << 0) + +enum dsim_interface_type { + DSIM_COMMAND = 0, + DSIM_VIDEO = 1, +}; + +enum dsim_state { + DSIM_STATE_RESET = 0, + DSIM_STATE_INIT = 1, + DSIM_STATE_STOP = 2, + DSIM_STATE_HSCLKEN = 3, + DSIM_STATE_ULPS = 4, +}; + +enum { + DSIM_NONE_STATE = 0, + DSIM_RESUME_COMPLETE = 1, + DSIM_FRAME_DONE = 2, +}; + +enum dsim_virtual_ch_no { + DSIM_VIRTUAL_CH_0 = 0, + DSIM_VIRTUAL_CH_1 = 1, + DSIM_VIRTUAL_CH_2 = 2, + DSIM_VIRTUAL_CH_3 = 3, +}; + +enum dsim_video_mode_type { + DSIM_NON_BURST_SYNC_EVENT = 0, + DSIM_NON_BURST_SYNC_PULSE = 2, + DSIM_BURST = 3, + DSIM_NON_VIDEO_MODE = 4, +}; + +enum dsim_fifo_state { + DSIM_RX_DATA_FULL = (1 << 25), + DSIM_RX_DATA_EMPTY = (1 << 24), + SFR_HEADER_FULL = (1 << 23), + SFR_HEADER_EMPTY = (1 << 22), + SFR_PAYLOAD_FULL = (1 << 21), + SFR_PAYLOAD_EMPTY = (1 << 20), + I80_HEADER_FULL = (1 << 19), + I80_HEADER_EMPTY = (1 << 18), + I80_PALOAD_FULL = (1 << 17), + I80_PALOAD_EMPTY = (1 << 16), + SUB_DISP_HEADER_FULL = (1 << 15), + SUB_DISP_HEADER_EMPTY = (1 << 14), + SUB_DISP_PAYLOAD_FULL = (1 << 13), + SUB_DISP_PAYLOAD_EMPTY = (1 << 12), + MAIN_DISP_HEADER_FULL = (1 << 11), + MAIN_DISP_HEADER_EMPTY = (1 << 10), + MAIN_DISP_PAYLOAD_FULL = (1 << 9), + MAIN_DISP_PAYLOAD_EMPTY = (1 << 8), +}; + +enum dsim_no_of_data_lane { + DSIM_DATA_LANE_1 = 0, + DSIM_DATA_LANE_2 = 1, + DSIM_DATA_LANE_3 = 2, + DSIM_DATA_LANE_4 = 3, +}; + +enum dsim_byte_clk_src { + DSIM_PLL_OUT_DIV8 = 0, + DSIM_EXT_CLK_DIV8 = 1, + DSIM_EXT_CLK_BYPASS = 2, +}; + +enum dsim_lane { + DSIM_LANE_DATA0 = (1 << 0), + DSIM_LANE_DATA1 = (1 << 1), + DSIM_LANE_DATA2 = (1 << 2), + DSIM_LANE_DATA3 = (1 << 3), + DSIM_LANE_DATA_ALL = 0xf, + DSIM_LANE_CLOCK = (1 << 4), + DSIM_LANE_ALL = DSIM_LANE_CLOCK | DSIM_LANE_DATA_ALL, +}; + +enum dsim_pixel_format { + DSIM_CMD_3BPP = 0, + DSIM_CMD_8BPP = 1, + DSIM_CMD_12BPP = 2, + DSIM_CMD_16BPP = 3, + DSIM_VID_16BPP_565 = 4, + DSIM_VID_18BPP_666PACKED = 5, + DSIM_18BPP_666LOOSELYPACKED = 6, + DSIM_24BPP_888 = 7, +}; + +enum dsim_lane_state { + DSIM_LANE_STATE_HS_READY, + DSIM_LANE_STATE_ULPS, + DSIM_LANE_STATE_STOP, + DSIM_LANE_STATE_LPDT, +}; + +enum dsim_transfer { + DSIM_TRANSFER_NEITHER = 0, + DSIM_TRANSFER_BYCPU = (1 << 7), + DSIM_TRANSFER_BYLCDC = (1 << 6), + DSIM_TRANSFER_BOTH = (0x3 << 6) +}; + +enum dsim_lane_change { + DSIM_NO_CHANGE = 0, + DSIM_DATA_LANE_CHANGE = 1, + DSIM_CLOCK_NALE_CHANGE = 2, + DSIM_ALL_LANE_CHANGE = 3, +}; + +enum dsim_int_src { + DSIM_ALL_OF_INTR = 0xffffffff, + DSIM_PLL_STABLE = (1 << 31), +}; + +enum dsim_data_id { + /* short packet types of packet types for command */ + GEN_SHORT_WR_NO_PARA = 0x03, + GEN_SHORT_WR_1_PARA = 0x13, + GEN_SHORT_WR_2_PARA = 0x23, + GEN_RD_NO_PARA = 0x04, + GEN_RD_1_PARA = 0x14, + GEN_RD_2_PARA = 0x24, + DCS_WR_NO_PARA = 0x05, + DCS_WR_1_PARA = 0x15, + DCS_RD_NO_PARA = 0x06, + SET_MAX_RTN_PKT_SIZE = 0x37, + + /* long packet types of packet types for command */ + NULL_PKT = 0x09, + BLANKING_PKT = 0x19, + GEN_LONG_WR = 0x29, + DCS_LONG_WR = 0x39, + + /* short packet types of generic command */ + CMD_OFF = 0x02, + CMD_ON = 0x12, + SHUT_DOWN = 0x22, + TURN_ON = 0x32, + + /* short packet types for video data */ + VSYNC_START = 0x01, + VSYNC_END = 0x11, + HSYNC_START = 0x21, + HSYNC_END = 0x31, + EOT_PKT = 0x08, + + /* long packet types for video data */ + RGB565_PACKED = 0x0e, + RGB666_PACKED = 0x1e, + RGB666_LOOSLY = 0x2e, + RGB888_PACKED = 0x3e, +}; + +/** + * struct dsim_config - interface for configuring mipi-dsi controller. + * + * @auto_flush: enable or disable Auto flush of MD FIFO using VSYNC pulse. + * @eot_disable: enable or disable EoT packet in HS mode. + * @auto_vertical_cnt: specifies auto vertical count mode. + * in Video mode, the vertical line transition uses line counter + * configured by VSA, VBP, and Vertical resolution. + * If this bit is set to '1', the line counter does not use VSA and VBP + * registers.(in command mode, this variable is ignored) + * @hse: set horizontal sync event mode. + * In VSYNC pulse and Vporch area, MIPI DSI master transfers only HSYNC + * start packet to MIPI DSI slave at MIPI DSI spec1.1r02. + * this bit transfers HSYNC end packet in VSYNC pulse and Vporch area + * (in mommand mode, this variable is ignored) + * @hfp: specifies HFP disable mode. + * if this variable is set, DSI master ignores HFP area in VIDEO mode. + * (in command mode, this variable is ignored) + * @hbp: specifies HBP disable mode. + * if this variable is set, DSI master ignores HBP area in VIDEO mode. + * (in command mode, this variable is ignored) + * @hsa: specifies HSA disable mode. + * if this variable is set, DSI master ignores HSA area in VIDEO mode. + * (in command mode, this variable is ignored) + * @e_no_data_lane: specifies data lane count to be used by Master. + * @e_byte_clk: select byte clock source. (it must be DSIM_PLL_OUT_DIV8) + * DSIM_EXT_CLK_DIV8 and DSIM_EXT_CLK_BYPASSS are not supported. + * @pll_stable_time: specifies the PLL Timer for stability of the ganerated + * clock(System clock cycle base) + * if the timer value goes to 0x00000000, the clock stable bit of status + * and interrupt register is set. + * @esc_clk: specifies escape clock frequency for getting the escape clock + * prescaler value. + * @stop_holding_cnt: specifies the interval value between transmitting + * read packet(or write "set_tear_on" command) and BTA request. + * after transmitting read packet or write "set_tear_on" command, + * BTA requests to D-PHY automatically. this counter value specifies + * the interval between them. + * @bta_timeout: specifies the timer for BTA. + * this register specifies time out from BTA request to change + * the direction with respect to Tx escape clock. + * @rx_timeout: specifies the timer for LP Rx mode timeout. + * this register specifies time out on how long RxValid deasserts, + * after RxLpdt asserts with respect to Tx escape clock. + * - RxValid specifies Rx data valid indicator. + * - RxLpdt specifies an indicator that D-PHY is under RxLpdt mode. + * - RxValid and RxLpdt specifies signal from D-PHY. + * @e_lane_swap: swaps Dp/Dn channel of Clock lane or Data lane. + * if this bit is set, Dp and Dn channel would be swapped each other. + */ +struct dsim_config { + unsigned char auto_flush; + unsigned char eot_disable; + + unsigned char auto_vertical_cnt; + unsigned char hse; + unsigned char hfp; + unsigned char hbp; + unsigned char hsa; + + enum dsim_no_of_data_lane e_no_data_lane; + enum dsim_byte_clk_src e_byte_clk; + + /* + * =========================================== + * | P | M | S | MHz | + * ------------------------------------------- + * | 3 | 100 | 3 | 100 | + * | 3 | 100 | 2 | 200 | + * | 3 | 63 | 1 | 252 | + * | 4 | 100 | 1 | 300 | + * | 4 | 110 | 1 | 330 | + * | 12 | 350 | 1 | 350 | + * | 3 | 100 | 1 | 400 | + * | 4 | 150 | 1 | 450 | + * | 3 | 118 | 1 | 472 | + * | 12 | 250 | 0 | 500 | + * | 4 | 100 | 0 | 600 | + * | 3 | 81 | 0 | 648 | + * | 3 | 88 | 0 | 704 | + * | 3 | 90 | 0 | 720 | + * | 3 | 100 | 0 | 800 | + * | 12 | 425 | 0 | 850 | + * | 4 | 150 | 0 | 900 | + * | 12 | 475 | 0 | 950 | + * | 6 | 250 | 0 | 1000 | + * ------------------------------------------- + */ + unsigned char p; + unsigned short m; + unsigned char s; + + unsigned int pll_stable_time; + unsigned long esc_clk; + + unsigned short stop_holding_cnt; + unsigned char bta_timeout; + unsigned short rx_timeout; + enum dsim_video_mode_type e_lane_swap; +}; + +/** + * struct dsim_lcd_config - interface for configuring mipi-dsi based lcd panel. + * + * @e_interface: specifies interface to be used.(CPU or RGB interface) + * @parameter[0]: specifies virtual channel number + * that main or sub diaplsy uses. + * @parameter[1]: specifies pixel stream format for main or sub display. + * @parameter[2]: selects Burst mode in Video mode. + * in Non-burst mode, RGB data area is filled with RGB data and NULL + * packets, according to input bandwidth of RGB interface. + * In Burst mode, RGB data area is filled with RGB data only. + * @lcd_panel_info: pointer for lcd panel specific structure. + * this structure specifies width, height, timing and polarity and so on. + * @mipi_ddi_pd: pointer for lcd panel platform data. + */ +struct dsim_lcd_config { + enum dsim_interface_type e_interface; + unsigned int parameter[3]; + + void *lcd_panel_info; + void *mipi_ddi_pd; +}; + +struct dsim_global; + +/** + * struct s5p_platform_dsim - interface to platform data for mipi-dsi driver. + * + * @clk_name: specifies clock name for mipi-dsi. + * @lcd_panel_name: specifies lcd panel name registered to mipi-dsi driver. + * lcd panel driver searched would be actived. + * @platfrom_rev: specifies platform revision number. + * revision number should become 1. + * @dsim_config: pointer of structure for configuring mipi-dsi controller. + * @dsim_lcd_info: pointer to structure for configuring + * mipi-dsi based lcd panel. + * @mipi_power: callback pointer for enabling or disabling mipi power. + * @part_reset: callback pointer for reseting mipi phy. + * @init_d_phy: callback pointer for enabing d_phy of dsi master. + * @get_fb_frame_done: callback pointer for getting frame done status of the + * display controller(FIMD). + * @trigger: callback pointer for triggering display controller(FIMD) + * in case of CPU mode. + * @delay_for_stabilization: specifies stable time. + * this delay needs when writing data on SFR + * after mipi mode became LP mode. + */ +struct s5p_platform_dsim { + char *clk_name; + char lcd_panel_name[64]; + unsigned int platform_rev; + + struct dsim_config *dsim_info; + struct dsim_lcd_config *dsim_lcd_info; + +unsigned int delay_for_stabilization; + + void (*mipi_power) (void); + int (*part_reset) (struct dsim_global *dsim); + int (*init_d_phy) (struct dsim_global *dsim); + int (*get_fb_frame_done) (void); + void (*trigger) (void); + void (*mipi_set_link)(struct mipi_ddi_platform_data *ddi_pd); + void (*mipi_panel_init)(void); + void (*mipi_display_on)(void); + vidinfo_t *pvid; +}; + +/** + * struct dsim_global - global interface for mipi-dsi driver. + * + * @dev: driver model representation of the device. + * @clock: pointer to MIPI-DSI clock of clock framework. + * @irq: interrupt number to MIPI-DSI controller. + * @reg_base: base address to memory mapped SRF of MIPI-DSI controller. + * (virtual address) + * @r_mipi_1_1v: pointer to regulator for MIPI 1.1v power. + * @r_mipi_1_8v: pointer to regulator for MIPI 1.8v power. + * @pd: pointer to MIPI-DSI driver platform data. + * @dsim_lcd_info: pointer to structure for configuring + * mipi-dsi based lcd panel. + * @lcd_panel_info: pointer for lcd panel specific structure. + * this structure specifies width, height, timing and polarity and so on. + * @mipi_ddi_pd: pointer for lcd panel platform data. + * @mipi_drv: pointer to driver structure for mipi-dsi based lcd panel. + * @s3cfb_notif: kernel notifier structure to be registered + * by device specific framebuffer driver. + * this notifier could be used by fb_blank of device specifiec + * framebuffer driver. + * @state: specifies status of MIPI-DSI controller. + * the status could be RESET, INIT, STOP, HSCLKEN and ULPS. + * @data_lane: specifiec enabled data lane number. + * this variable would be set by driver according to e_no_data_lane + * automatically. + * @e_clk_src: select byte clock source. + * this variable would be set by driver according to e_byte_clock + * automatically. + * @hs_clk: HS clock rate. + * this variable would be set by driver automatically. + * @byte_clk: Byte clock rate. + * this variable would be set by driver automatically. + * @escape_clk: ESCAPE clock rate. + * this variable would be set by driver automatically. + * @freq_band: indicates Bitclk frequency band for D-PHY global timing. + * Serial Clock(=ByteClk X 8) FreqBand[3:0] + * ~ 99.99 MHz 0000 + * 100 ~ 119.99 MHz 0001 + * 120 ~ 159.99 MHz 0010 + * 160 ~ 199.99 MHz 0011 + * 200 ~ 239.99 MHz 0100 + * 140 ~ 319.99 MHz 0101 + * 320 ~ 389.99 MHz 0110 + * 390 ~ 449.99 MHz 0111 + * 450 ~ 509.99 MHz 1000 + * 510 ~ 559.99 MHz 1001 + * 560 ~ 639.99 MHz 1010 + * 640 ~ 689.99 MHz 1011 + * 690 ~ 769.99 MHz 1100 + * 770 ~ 869.99 MHz 1101 + * 870 ~ 949.99 MHz 1110 + * 950 ~ 1000 MHz 1111 + * this variable would be calculated by driver automatically. + * + * @header_fifo_index: specifies header fifo index. + * this variable is not used yet. + */ +struct dsim_global { + struct clk *clock; + unsigned int irq; + unsigned int reg_base; + + struct s5p_platform_dsim *dsim_pd; + struct dsim_config *dsim_info; + struct dsim_lcd_config *dsim_lcd_info; + struct mipi_ddi_platform_data *mipi_ddi_pd; + struct mipi_lcd_driver *mipi_drv; + + unsigned char state; + unsigned int data_lane; + enum dsim_byte_clk_src e_clk_src; + unsigned long hs_clk; + unsigned long byte_clk; + unsigned long escape_clk; + unsigned char freq_band; + + char header_fifo_index[DSIM_HEADER_FIFO_SZ]; +}; + +/* + * driver structure for mipi-dsi based lcd panel. + * + * this structure should be registered by lcd panel driver. + * mipi-dsi driver seeks lcd panel registered through name field + * and calls these callback functions in appropriate time. + */ +struct mipi_lcd_driver { + s8 name[64]; + + s32 (*init)(void); + void (*display_on)(void); + s32 (*set_link)(struct mipi_ddi_platform_data *pd); +}; + +/* + * register mipi_lcd_driver object defined by lcd panel driver + * to mipi-dsi driver. + */ +extern int s5p_dsim_start(void); +//extern int s5p_dsim_start(vidinfo_t *vid); + +/* reset MIPI PHY through MIPI PHY CONTROL REGISTER. */ +extern int s5p_dsim_part_reset(struct dsim_global *dsim); +/* enable MIPI D-PHY and DSI Master block. */ +extern int s5p_dsim_init_d_phy(struct dsim_global *dsim);