+/*
+ * Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
+ *
+ * All rights are reserved. Reproduction or in part is prohibited
+ * without the written consent of the copyright owner.
+ *
+ * RegSC.h --- SM718 SDK
+ * This file contains the definitions for the System Configuration registers.
+ */
+
#ifndef DDK750_H__
#define DDK750_H__
-/*******************************************************************
-*
-* Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
-*
-* All rights are reserved. Reproduction or in part is prohibited
-* without the written consent of the copyright owner.
-*
-* RegSC.h --- SM718 SDK
-* This file contains the definitions for the System Configuration registers.
-*
-*******************************************************************/
+
#include "ddk750_reg.h"
#include "ddk750_mode.h"
#include "ddk750_chip.h"
if (frequency) {
/*
- * Set up PLL, a structure to hold the value to be set in clocks.
- */
+ * Set up PLL structure to hold the value to be set in clocks.
+ */
pll.inputFreq = DEFAULT_INPUT_CLOCK; /* Defined in CLOCK.H */
pll.clockType = MXCLK_PLL;
/*
- * Call calc_pll_value() to fill the other fields of PLL structure.
- * Sometime, the chip cannot set up the exact clock
- * required by the User.
- * Return value of calc_pll_value gives the actual possible clock.
- */
+ * Call calc_pll_value() to fill the other fields of the PLL
+ * structure. Sometimes, the chip cannot set up the exact
+ * clock required by the User.
+ * Return value of calc_pll_value gives the actual possible
+ * clock.
+ */
ulActualMxClk = calc_pll_value(frequency, &pll);
/* Master Clock Control: MXCLK_PLL */
{
unsigned int reg, divisor;
- /* Cheok_0509: For SM750LE, the memory clock is fixed.
+ /*
+ * Cheok_0509: For SM750LE, the memory clock is fixed.
* Nothing to set.
*/
if (sm750_get_chip_type() == SM750LE)
{
unsigned int reg, divisor;
- /* Cheok_0509: For SM750LE, the memory clock is fixed.
+ /*
+ * Cheok_0509: For SM750LE, the memory clock is fixed.
* Nothing to set.
*/
if (sm750_get_chip_type() == SM750LE)
return;
if (frequency) {
- /* Set the frequency to the maximum frequency
+ /*
+ * Set the frequency to the maximum frequency
* that the SM750 engine can run, which is about 190 MHz.
*/
if (frequency > MHz(190))
set_master_clock(MHz(pInitParam->masterClock));
- /* Reset the memory controller.
+ /*
+ * Reset the memory controller.
* If the memory controller is not reset in SM750,
* the system might hang when sw accesses the memory.
* The memory should be resetted after changing the MXCLK.
*/
unsigned int calc_pll_value(unsigned int request_orig, struct pll_value *pll)
{
- /* as sm750 register definition,
+ /*
+ * as sm750 register definition,
* N located in 2,15 and M located in 1,255
*/
int N, M, X, d;
int max_d = 6;
if (sm750_get_chip_type() == SM750LE) {
- /* SM750LE don't have
+ /*
+ * SM750LE don't have
* programmable PLL and M/N values to work on.
* Just return the requested clock.
*/
request = request_orig / 1000;
input = pll->inputFreq / 1000;
- /* for MXCLK register,
+ /*
+ * for MXCLK register,
* no POD provided, so need be treated differently
*/
if (pll->clockType == MXCLK_PLL)
max_d = 3;
for (N = 15; N > 1; N--) {
- /* RN will not exceed maximum long
+ /*
+ * RN will not exceed maximum long
* if @request <= 285 MHZ (for 32bit cpu)
*/
RN = N * request;
/* input struct to initChipParam() function */
struct initchip_param {
- unsigned short powerMode; /* Use power mode 0 or 1 */
- unsigned short chipClock; /**
- * Speed of main chip clock in MHz unit
- * 0 = keep the current clock setting
- * Others = the new main chip clock
- */
- unsigned short memClock; /**
- * Speed of memory clock in MHz unit
- * 0 = keep the current clock setting
- * Others = the new memory clock
- */
- unsigned short masterClock; /**
- * Speed of master clock in MHz unit
- * 0 = keep the current clock setting
- * Others = the new master clock
- */
- unsigned short setAllEngOff; /**
- * 0 = leave all engine state untouched.
- * 1 = make sure they are off: 2D, Overlay,
- * video alpha, alpha, hardware cursors
- */
- unsigned char resetMemory; /**
- * 0 = Do not reset the memory controller
- * 1 = Reset the memory controller
- */
+ /* Use power mode 0 or 1 */
+ unsigned short powerMode;
+
+ /*
+ * Speed of main chip clock in MHz unit
+ * 0 = keep the current clock setting
+ * Others = the new main chip clock
+ */
+ unsigned short chipClock;
+
+ /*
+ * Speed of memory clock in MHz unit
+ * 0 = keep the current clock setting
+ * Others = the new memory clock
+ */
+ unsigned short memClock;
+
+ /*
+ * Speed of master clock in MHz unit
+ * 0 = keep the current clock setting
+ * Others = the new master clock
+ */
+ unsigned short masterClock;
+
+ /*
+ * 0 = leave all engine state untouched.
+ * 1 = make sure they are off: 2D, Overlay,
+ * video alpha, alpha, hardware cursors
+ */
+ unsigned short setAllEngOff;
+
+ /*
+ * 0 = Do not reset the memory controller
+ * 1 = Reset the memory controller
+ */
+ unsigned char resetMemory;
/* More initialization parameter can be added if needed */
};
#ifndef DDK750_DISPLAY_H__
#define DDK750_DISPLAY_H__
-/* panel path select
+/*
+ * panel path select
* 80000[29:28]
*/
#define PNL_2_SEC ((2 << PNL_2_OFFSET) | PNL_2_USAGE)
-/* primary timing & plane enable bit
+/*
+ * primary timing & plane enable bit
* 1: 80000[8] & 80000[2] on
* 0: both off
*/
#define PRI_TP_OFF ((0x0 << PRI_TP_OFFSET) | PRI_TP_USAGE)
-/* panel sequency status
+/*
+ * panel sequency status
* 80000[27:24]
*/
#define PNL_SEQ_OFFSET 6
#define PNL_SEQ_ON (BIT(PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
#define PNL_SEQ_OFF ((0 << PNL_SEQ_OFFSET) | PNL_SEQ_USAGE)
-/* dual digital output
+/*
+ * dual digital output
* 80000[19]
*/
#define DUAL_TFT_OFFSET 8
#define DUAL_TFT_ON (BIT(DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
#define DUAL_TFT_OFF ((0 << DUAL_TFT_OFFSET) | DUAL_TFT_USAGE)
-/* secondary timing & plane enable bit
+/*
+ * secondary timing & plane enable bit
* 1:80200[8] & 80200[2] on
* 0: both off
*/
#define SEC_TP_ON ((0x1 << SEC_TP_OFFSET) | SEC_TP_USAGE)
#define SEC_TP_OFF ((0x0 << SEC_TP_OFFSET) | SEC_TP_USAGE)
-/* crt path select
+/*
+ * crt path select
* 80200[19:18]
*/
#define CRT_2_OFFSET 2
#define CRT_2_SEC ((0x2 << CRT_2_OFFSET) | CRT_2_USAGE)
-/* DAC affect both DVI and DSUB
+/*
+ * DAC affect both DVI and DSUB
* 4[20]
*/
#define DAC_OFFSET 7
#define DAC_ON ((0x0 << DAC_OFFSET) | DAC_USAGE)
#define DAC_OFF ((0x1 << DAC_OFFSET) | DAC_USAGE)
-/* DPMS only affect D-SUB head
+/*
+ * DPMS only affect D-SUB head
* 0[31:30]
*/
#define DPMS_OFFSET 9
-/* LCD1 means panel path TFT1 & panel path DVI (so enable DAC)
+/*
+ * LCD1 means panel path TFT1 & panel path DVI (so enable DAC)
* CRT means crt path DSUB
*/
typedef enum _disp_output_t {
do_LCD1_SEC = PNL_2_SEC | SEC_TP_ON | PNL_SEQ_ON | DAC_ON,
do_LCD2_PRI = CRT_2_PRI | PRI_TP_ON | DUAL_TFT_ON,
do_LCD2_SEC = CRT_2_SEC | SEC_TP_ON | DUAL_TFT_ON,
- /* do_DSUB_PRI = CRT_2_PRI | PRI_TP_ON | DPMS_ON|DAC_ON,
+ /*
+ * do_DSUB_PRI = CRT_2_PRI | PRI_TP_ON | DPMS_ON|DAC_ON,
* do_DSUB_SEC = CRT_2_SEC | SEC_TP_ON | DPMS_ON|DAC_ON,
*/
do_CRT_PRI = CRT_2_PRI | PRI_TP_ON | DPMS_ON | DAC_ON,
value |= (GPIO_MUX_30 | GPIO_MUX_31);
POKE32(GPIO_MUX, value);
- /* Enable Hardware I2C power.
+ /*
+ * Enable Hardware I2C power.
* TODO: Check if we need to enable GPIO power?
*/
enableI2C(1);
/* Set the Device Address */
POKE32(I2C_SLAVE_ADDRESS, addr & ~0x01);
- /* Write data.
+ /*
+ * Write data.
* Note:
* Only 16 byte can be accessed per i2c start instruction.
*/
/* Set the Device Address */
POKE32(I2C_SLAVE_ADDRESS, addr | 0x01);
- /* Read data and save them to the buffer.
+ /*
+ * Read data and save them to the buffer.
* Note:
* Only 16 byte can be accessed per i2c start instruction.
*/
#include "ddk750_mode.h"
#include "ddk750_chip.h"
-/* SM750LE only:
+/*
+ * SM750LE only:
* This function takes care extra registers and bit fields required to set
* up a mode in SM750LE
*
x = pModeParam->horizontal_display_end;
y = pModeParam->vertical_display_end;
- /* SM750LE has to set up the top-left and bottom-right
+ /*
+ * SM750LE has to set up the top-left and bottom-right
* registers as well.
* Note that normal SM750/SM718 only use those two register for
* auto-centering mode.
CRT_AUTO_CENTERING_BR_BOTTOM_MASK) |
((x - 1) & CRT_AUTO_CENTERING_BR_RIGHT_MASK));
- /* Assume common fields in dispControl have been properly set before
+ /*
+ * Assume common fields in dispControl have been properly set before
* calling this function.
* This function only sets the extra fields in dispControl.
*/
DISPLAY_CTRL_HSYNC_PHASE | DISPLAY_CTRL_TIMING |
DISPLAY_CTRL_PLANE);
- /* May a hardware bug or just my test chip (not confirmed).
- * PANEL_DISPLAY_CTRL register seems requiring few writes
- * before a value can be successfully written in.
- * Added some masks to mask out the reserved bits.
- * Note: This problem happens by design. The hardware will wait for the
- * next vertical sync to turn on/off the plane.
- */
-
+ /*
+ * May a hardware bug or just my test chip (not confirmed).
+ * PANEL_DISPLAY_CTRL register seems requiring few writes
+ * before a value can be successfully written in.
+ * Added some masks to mask out the reserved bits.
+ * Note: This problem happens by design. The hardware will wait
+ * for the next vertical sync to turn on/off the plane.
+ */
POKE32(PANEL_DISPLAY_CTRL, tmp | reg);
while ((PEEK32(PANEL_DISPLAY_CTRL) & ~reserved) !=
i2cWriteReg(SII164_I2C_ADDRESS, SII164_CONFIGURATION, config);
- /* De-skew enabled with default 111b value.
+ /*
+ * De-skew enabled with default 111b value.
* This fixes some artifacts problem in some mode on board 2.2.
* Somehow this fix does not affect board 2.1.
*/
-/*******************************************************************
-*
-* Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
-*
-* All rights are reserved. Reproduction or in part is prohibited
-* without the written consent of the copyright owner.
-*
-* swi2c.c --- SM750/SM718 DDK
-* This file contains the source code for I2C using software
-* implementation.
-*
-*******************************************************************/
+/*
+ * Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
+ *
+ * All rights are reserved. Reproduction or in part is prohibited
+ * without the written consent of the copyright owner.
+ *
+ * swi2c.c --- SM750/SM718 DDK
+ * This file contains the source code for I2C using software
+ * implementation.
+ */
+
#include "ddk750_chip.h"
#include "ddk750_reg.h"
#include "ddk750_swi2c.h"
#include "ddk750_power.h"
-/*******************************************************************
+/*
* I2C Software Master Driver:
* ===========================
* Each i2c cycle is split into 4 sections. Each of these section marks
* SCL | L | | H | |
* ---------------+---+---+---+---+
*
- ******************************************************************/
+ */
/* GPIO pins used for this I2C. It ranges from 0 to 63. */
static unsigned char sw_i2c_clk_gpio = DEFAULT_I2C_SCL;
-/*******************************************************************
-*
-* Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
-*
-* All rights are reserved. Reproduction or in part is prohibited
-* without the written consent of the copyright owner.
-*
-* swi2c.h --- SM750/SM718 DDK
-* This file contains the definitions for i2c using software
-* implementation.
-*
-*******************************************************************/
+/*
+ * Copyright (c) 2007 by Silicon Motion, Inc. (SMI)
+ *
+ * All rights are reserved. Reproduction or in part is prohibited
+ * without the written consent of the copyright owner.
+ *
+ * swi2c.h --- SM750/SM718 DDK
+ * This file contains the definitions for i2c using software
+ * implementation.
+ *
+ */
+
#ifndef _SWI2C_H_
#define _SWI2C_H_
struct lynxfb_output {
int dpms;
int paths;
- /* which paths(s) this output stands for,for sm750:
+ /*
+ * which paths(s) this output stands for,for sm750:
* paths=1:means output for panel paths
* paths=2:means output for crt paths
* paths=3:means output for both panel and crt paths
*/
int *channel;
- /* which channel these outputs linked with,for sm750:
+ /*
+ * which channel these outputs linked with,for sm750:
* *channel=0 means primary channel
* *channel=1 means secondary channel
* output->channel ==> &crtc->channel
write_dpr(accel, DE_CONTROL, read_dpr(accel, DE_CONTROL) & ~clr);
}
-/* set2dformat only be called from setmode functions
+/*
+ * set2dformat only be called from setmode functions
* but if you need dual framebuffer driver,need call set2dformat
* every time you use 2d function
*/
u32 deCtrl;
if (accel->de_wait() != 0) {
- /* int time wait and always busy,seems hardware
+ /*
+ * int time wait and always busy,seems hardware
* got something error
*/
pr_debug("De engine always busy\n");
opSign = (-1);
}
- /* Note:
+ /*
+ * Note:
* DE_FOREGROUND are DE_BACKGROUND are don't care.
* DE_COLOR_COMPARE and DE_COLOR_COMPARE_MAKS
* are set by set deSetTransparency().
*/
- /* 2D Source Base.
+ /*
+ * 2D Source Base.
* It is an address offset (128 bit aligned)
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_SOURCE_BASE, sBase); /* dpr40 */
- /* 2D Destination Base.
+ /*
+ * 2D Destination Base.
* It is an address offset (128 bit aligned)
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase); /* dpr44 */
- /* Program pitch (distance between the 1st points of two adjacent lines).
+ /*
+ * Program pitch (distance between the 1st points of two adjacent lines).
* Note that input pitch is BYTE value, but the 2D Pitch register uses
* pixel values. Need Byte to pixel conversion.
*/
DE_PITCH_DESTINATION_MASK) |
(sPitch / Bpp & DE_PITCH_SOURCE_MASK)); /* dpr10 */
- /* Screen Window width in Pixels.
+ /*
+ * Screen Window width in Pixels.
* 2D engine uses this value to calculate the linear address in frame buffer
* for a given point.
*/
if (accel->de_wait() != 0)
return -1;
- /* 2D Source Base.
+ /*
+ * 2D Source Base.
* Use 0 for HOST Blt.
*/
write_dpr(accel, DE_WINDOW_SOURCE_BASE, 0);
* from the beginning of frame buffer.
*/
write_dpr(accel, DE_WINDOW_DESTINATION_BASE, dBase);
- /* Program pitch (distance between the 1st points of two adjacent lines).
- * Note that input pitch is BYTE value, but the 2D Pitch register uses
- * pixel values. Need Byte to pixel conversion.
- */
+
+ /*
+ * Program pitch (distance between the 1st points of two adjacent
+ * lines). Note that input pitch is BYTE value, but the 2D Pitch
+ * register uses pixel values. Need Byte to pixel conversion.
+ */
write_dpr(accel, DE_PITCH,
((dPitch / bytePerPixel << DE_PITCH_DESTINATION_SHIFT) &
DE_PITCH_DESTINATION_MASK) |
(dPitch / bytePerPixel & DE_PITCH_SOURCE_MASK)); /* dpr10 */
- /* Screen Window width in Pixels.
+ /*
+ * Screen Window width in Pixels.
* 2D engine uses this value to calculate the linear address
* in frame buffer for a given point.
*/
DE_WINDOW_WIDTH_DST_MASK) |
(dPitch / bytePerPixel & DE_WINDOW_WIDTH_SRC_MASK));
- /* Note: For 2D Source in Host Write, only X_K1_MONO field is needed,
+ /*
+ * Note: For 2D Source in Host Write, only X_K1_MONO field is needed,
* and Y_K2 field is not used.
* For mono bitmap, use startBit for X_K1.
*/
pr_info("mmio phyAddr = %lx\n", sm750_dev->vidreg_start);
- /* reserve the vidreg space of smi adaptor
+ /*
+ * reserve the vidreg space of smi adaptor
* if you do this, you need to add release region code
* in lynxfb_remove, or memory will not be mapped again
* successfully
sm750_set_chip_type(sm750_dev->devid, sm750_dev->revid);
sm750_dev->vidmem_start = pci_resource_start(pdev, 0);
- /* don't use pdev_resource[x].end - resource[x].start to
+ /*
+ * don't use pdev_resource[x].end - resource[x].start to
* calculate the resource size, it's only the maximum available
* size but not the actual size, using
* @ddk750_get_vm_size function can be safe.
}
POKE32(PANEL_DISPLAY_CTRL, val);
} else {
- /* for 750LE, no DVI chip initialization
+ /*
+ * for 750LE, no DVI chip initialization
* makes Monitor no signal
*
* Set up GPIO for software I2C to program DVI chip in the
*/
sm750_sw_i2c_init(0, 1);
- /* Customer may NOT use CH7301 DVI chip, which has to be
+ /*
+ * Customer may NOT use CH7301 DVI chip, which has to be
* initialized differently.
*/
if (sm750_sw_i2c_read_reg(0xec, 0x4a) == 0x95) {
- /* The following register values for CH7301 are from
- * Chrontel app note and our experiment.
- */
+ /*
+ * The following register values for CH7301 are from
+ * Chrontel app note and our experiment.
+ */
pr_info("yes,CH7301 DVI chip found\n");
sm750_sw_i2c_write_reg(0xec, 0x1d, 0x16);
sm750_sw_i2c_write_reg(0xec, 0x21, 0x9);
crtc->oScreen & PANEL_FB_ADDRESS_ADDRESS_MASK);
reg = var->xres * (var->bits_per_pixel >> 3);
- /* crtc->channel is not equal to par->index on numeric,
+ /*
+ * crtc->channel is not equal to par->index on numeric,
* be aware of that
*/
reg = ALIGN(reg, crtc->line_pad);
/* not implemented now */
POKE32(CRT_FB_ADDRESS, crtc->oScreen);
reg = var->xres * (var->bits_per_pixel >> 3);
- /* crtc->channel is not equal to par->index on numeric,
+ /*
+ * crtc->channel is not equal to par->index on numeric,
* be aware of that
*/
reg = ALIGN(reg, crtc->line_pad) << CRT_FB_WIDTH_WIDTH_SHIFT;
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