aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/s3c24xx/files-2.6.30/drivers
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/drivers')
-rw-r--r--target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig17
-rw-r--r--target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Makefile4
-rw-r--r--target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c45
-rw-r--r--target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c278
4 files changed, 16 insertions, 328 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig
index 8de1c2f39d..8c93bcbdb4 100644
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Kconfig
@@ -23,23 +23,12 @@ config MFD_GLAMO_FB
If unsure, say N.
-config MFD_GLAMO_FB_XGLAMO_WORKAROUND
- bool "Smedia Glamo 336x/337x Xglamo rotation workaround"
- depends on MFD_GLAMO_FB
- help
- This is a workaround for a Xglamo bug. This should be fixed
- in Xglamo and not in kernel space.
-
- If unsure, say N.
-
-
-config MFD_GLAMO_SPI_GPIO
- tristate "Glamo GPIO SPI bitbang support"
+config MFD_GLAMO_GPIO
+ tristate "Glamo GPIO support"
depends on MFD_GLAMO
- select SPI_BITBANG
help
- Enable a bitbanging SPI adapter driver for the Smedia Glamo.
+ Enable a bitbanging SPI adapter driver for the Smedia Glamo.
config MFD_GLAMO_MCI
tristate "Glamo S3C SD/MMC Card Interface support"
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Makefile b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Makefile
index 99a927a5bf..ebf26f7e47 100644
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Makefile
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/Makefile
@@ -2,9 +2,9 @@
# Makefile for the Smedia Glamo framebuffer driver
#
-obj-$(CONFIG_MFD_GLAMO) += glamo-core.o glamo-gpio.o
+obj-$(CONFIG_MFD_GLAMO) += glamo-core.o
+obj-$(CONFIG_MFD_GLAMO_GPIO) += glamo-gpio.o
obj-$(CONFIG_MFD_GLAMO_SPI) += glamo-spi.o
-obj-$(CONFIG_MFD_GLAMO_SPI_GPIO) += glamo-spi-gpio.o
obj-$(CONFIG_MFD_GLAMO_FB) += glamo-fb.o
obj-$(CONFIG_MFD_GLAMO_MCI) += glamo-mci.o
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c
index 0c6fc58130..077a7a839c 100644
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-core.c
@@ -89,9 +89,9 @@ struct reg_range reg_range[] = {
/* { 0x1500, 0x080, "MPU 0", 0 },
{ 0x1580, 0x080, "MPU 1", 0 },
{ 0x1600, 0x080, "Cmd Queue", 0 },
- { 0x1680, 0x080, "RISC CPU", 0 },
+ { 0x1680, 0x080, "RISC CPU", 0 },*/
{ 0x1700, 0x400, "2D Unit", 0 },
- { 0x1b00, 0x900, "3D Unit", 0 }, */
+/* { 0x1b00, 0x900, "3D Unit", 0 }, */
};
static inline void __reg_write(struct glamo_core *glamo,
@@ -179,7 +179,7 @@ static struct resource glamo_mmc_resources[] = {
enum glamo_cells {
GLAMO_CELL_FB,
GLAMO_CELL_MMC,
- GLAMO_CELL_SPI_GPIO
+ GLAMO_CELL_GPIO,
};
static struct mfd_cell glamo_cells[] = {
@@ -193,8 +193,8 @@ static struct mfd_cell glamo_cells[] = {
.num_resources = ARRAY_SIZE(glamo_mmc_resources),
.resources = glamo_mmc_resources,
},
- [GLAMO_CELL_SPI_GPIO] = {
- .name = "glamo-spi-gpio",
+ [GLAMO_CELL_GPIO] = {
+ .name = "glamo-gpio",
},
};
@@ -381,7 +381,8 @@ int __glamo_engine_enable(struct glamo_core *glamo, enum glamo_engine engine)
GLAMO_CLOCK_MMC_EN_M9CLK |
GLAMO_CLOCK_MMC_EN_TCLK |
GLAMO_CLOCK_MMC_DG_M9CLK |
- GLAMO_CLOCK_MMC_DG_TCLK, 0xffff);
+ GLAMO_CLOCK_MMC_DG_TCLK,
+ 0xffff);
/* enable the TCLK divider clk input */
__reg_set_bit_mask(glamo, GLAMO_REG_CLOCK_GEN5_1,
GLAMO_CLOCK_GEN51_EN_DIV_TCLK,
@@ -604,8 +605,8 @@ static const struct glamo_script reset_regs[] = {
void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine)
{
- uint16_t reg = reset_regs[engine].reg;
- uint16_t val = reset_regs[engine].val;
+ uint16_t reg = reset_regs[engine].reg;
+ uint16_t val = reset_regs[engine].val;
if (engine >= ARRAY_SIZE(reset_regs)) {
dev_warn(&glamo->pdev->dev, "unknown engine %u ", engine);
@@ -620,17 +621,6 @@ void glamo_engine_reset(struct glamo_core *glamo, enum glamo_engine engine)
}
EXPORT_SYMBOL_GPL(glamo_engine_reset);
-void glamo_lcm_reset(struct platform_device *pdev, int level)
-{
- struct glamo_core *glamo = dev_get_drvdata(&pdev->dev);
- if (!glamo)
- return;
-
- glamo_gpio_setpin(glamo, GLAMO_GPIO4, level);
- glamo_gpio_cfgpin(glamo, GLAMO_GPIO4_OUTPUT);
-}
-EXPORT_SYMBOL_GPL(glamo_lcm_reset);
-
int glamo_pll_rate(struct glamo_core *glamo,
enum glamo_pll pll)
{
@@ -707,10 +697,9 @@ int glamo_run_script(struct glamo_core *glamo, const struct glamo_script *script
int len, int may_sleep)
{
int i;
+ const struct glamo_script *line = script;
- for (i = 0; i < len; i++) {
- struct glamo_script *line = &script[i];
-
+ for (i = 0; i < len; ++i, ++line) {
switch (line->reg) {
case 0xffff:
return 0;
@@ -859,11 +848,6 @@ static const struct glamo_script glamo_init_script[] = {
{ GLAMO_REG_MEM_DRAM1, 0xe100 },
{ GLAMO_REG_MEM_DRAM2, 0x01d6 },
{ GLAMO_REG_CLOCK_MEMORY, 0x000b },
- { GLAMO_REG_GPIO_GEN1, 0x000f },
- { GLAMO_REG_GPIO_GEN2, 0x111e },
- { GLAMO_REG_GPIO_GEN3, 0xccc3 },
- { GLAMO_REG_GPIO_GEN4, 0x111e },
- { GLAMO_REG_GPIO_GEN5, 0x000f },
};
#if 0
static struct glamo_script glamo_resume_script[] = {
@@ -1214,12 +1198,6 @@ static int __init glamo_probe(struct platform_device *pdev)
glamo_cells[GLAMO_CELL_FB].platform_data = glamo->pdata->fb_data;
glamo_cells[GLAMO_CELL_FB].data_size = sizeof(struct glamo_fb_platform_data);
- glamo->pdata->spigpio_data->core = glamo;
- glamo_cells[GLAMO_CELL_SPI_GPIO].platform_data =
- glamo->pdata->spigpio_data;
- glamo_cells[GLAMO_CELL_SPI_GPIO].data_size =
- sizeof(struct glamo_spigpio_platform_data);
-
mfd_add_devices(&pdev->dev, pdev->id, glamo_cells,
ARRAY_SIZE(glamo_cells),
glamo->mem, 0);
@@ -1293,7 +1271,6 @@ static int glamo_resume(struct device *dev)
struct glamo_core *glamo = dev_get_drvdata(dev);
glamo_power(glamo, GLAMO_POWER_ON);
glamo->suspending = 0;
-
return 0;
}
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c b/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c
deleted file mode 100644
index 6316b85d0c..0000000000
--- a/target/linux/s3c24xx/files-2.6.30/drivers/mfd/glamo/glamo-spi-gpio.c
+++ /dev/null
@@ -1,278 +0,0 @@
-/*
- * Copyright (C) 2007 Openmoko, Inc.
- * Author: Harald Welte <laforge@openmoko.org>
- *
- * Smedia Glamo GPIO based SPI driver
- *
- * 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.
- *
- * This driver currently only implements a minimum subset of the hardware
- * features, esp. those features that are required to drive the jbt6k74
- * LCM controller asic in the TD028TTEC1 LCM.
- *
-*/
-
-#define DEBUG
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/spinlock.h>
-#include <linux/platform_device.h>
-
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_bitbang.h>
-#include <linux/spi/glamo.h>
-
-#include <linux/glamofb.h>
-
-#include <mach/hardware.h>
-
-#include "glamo-core.h"
-#include "glamo-regs.h"
-
-struct glamo_spigpio {
- struct spi_bitbang bitbang;
- struct spi_master *master;
- struct glamo_spigpio_platform_data *info;
-};
-
-static inline struct glamo_spigpio *to_sg(struct spi_device *spi)
-{
- return dev_get_drvdata(&spi->master->dev);
-}
-
-static inline void setsck(struct spi_device *dev, int on)
-{
- struct glamo_spigpio *sg = to_sg(dev);
- glamo_gpio_setpin(sg->info->core, sg->info->pin_clk, on ? 1 : 0);
-}
-
-static inline void setmosi(struct spi_device *dev, int on)
-{
- struct glamo_spigpio *sg = to_sg(dev);
- glamo_gpio_setpin(sg->info->core, sg->info->pin_mosi, on ? 1 : 0);
-}
-
-static inline u32 getmiso(struct spi_device *dev)
-{
- struct glamo_spigpio *sg = to_sg(dev);
- if (sg->info->pin_miso)
- return glamo_gpio_getpin(sg->info->core, sg->info->pin_miso) ? 1 : 0;
- else
- return 0;
-}
-
-#define spidelay(x) ndelay(x)
-
-#define EXPAND_BITBANG_TXRX
-#include <linux/spi/spi_bitbang.h>
-
-static u32 glamo_spigpio_txrx_mode0(struct spi_device *spi,
- unsigned nsecs, u32 word, u8 bits)
-{
- return bitbang_txrx_be_cpha0(spi, nsecs, 0, word, bits);
-}
-
-static u32 glamo_spigpio_txrx_mode1(struct spi_device *spi,
- unsigned nsecs, u32 word, u8 bits)
-{
- return bitbang_txrx_be_cpha1(spi, nsecs, 0, word, bits);
-}
-
-static u32 glamo_spigpio_txrx_mode2(struct spi_device *spi,
- unsigned nsecs, u32 word, u8 bits)
-{
- return bitbang_txrx_be_cpha0(spi, nsecs, 1, word, bits);
-}
-
-static u32 glamo_spigpio_txrx_mode3(struct spi_device *spi,
- unsigned nsecs, u32 word, u8 bits)
-{
- return bitbang_txrx_be_cpha1(spi, nsecs, 1, word, bits);
-}
-
-
-#if 0
-static int glamo_spigpio_setupxfer(struct spi_device *spi,
- struct spi_transfer *t)
-{
- struct glamo_spi *gs = to_sg(spi);
- unsigned int bpw;
-
- bpw = t ? t->bits_per_word : spi->bits_per_word;
-
- if (bpw != 9 && bpw != 8) {
- dev_err(&spi->dev, "invalid bits-per-word (%d)\n", bpw);
- return -EINVAL;
- }
-
- return 0;
-}
-#endif
-
-static void glamo_spigpio_chipsel(struct spi_device *spi, int value)
-{
- struct glamo_spigpio *gs = to_sg(spi);
-#if 0
- dev_dbg(&spi->dev, "chipsel %d: spi=%p, gs=%p, info=%p, handle=%p\n",
- value, spi, gs, gs->info, gs->info->glamo);
-#endif
- glamo_gpio_setpin(gs->info->core, gs->info->pin_cs, value ? 0 : 1);
-}
-
-
-static int glamo_spigpio_probe(struct platform_device *pdev)
-{
- struct spi_master *master;
- struct glamo_spigpio *sp;
- int ret;
-
- master = spi_alloc_master(&pdev->dev, sizeof(struct glamo_spigpio));
- if (master == NULL) {
- dev_err(&pdev->dev, "failed to allocate spi master\n");
- ret = -ENOMEM;
- goto err;
- }
-
- sp = spi_master_get_devdata(master);
- platform_set_drvdata(pdev, sp);
- sp->info = pdev->dev.platform_data;
- if (!sp->info) {
- dev_err(&pdev->dev, "can't operate without platform data\n");
- ret = -EIO;
- goto err_no_pdev;
- }
-
- master->num_chipselect = 1;
- master->bus_num = 2; /* FIXME: use dynamic number */
-
- sp->master = spi_master_get(master);
-
- sp->bitbang.master = sp->master;
- sp->bitbang.chipselect = glamo_spigpio_chipsel;
- sp->bitbang.txrx_word[SPI_MODE_0] = glamo_spigpio_txrx_mode0;
- sp->bitbang.txrx_word[SPI_MODE_1] = glamo_spigpio_txrx_mode1;
- sp->bitbang.txrx_word[SPI_MODE_2] = glamo_spigpio_txrx_mode2;
- sp->bitbang.txrx_word[SPI_MODE_3] = glamo_spigpio_txrx_mode3;
-
- /* set state of spi pins */
- glamo_gpio_setpin(sp->info->core, sp->info->pin_clk, 0);
- glamo_gpio_setpin(sp->info->core, sp->info->pin_mosi, 0);
- glamo_gpio_setpin(sp->info->core, sp->info->pin_cs, 1);
-
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_clk);
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_mosi);
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_cs);
- if (sp->info->pin_miso)
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_miso);
-
- /* bring the LCM panel out of reset if it isn't already */
-
- glamo_gpio_setpin(sp->info->core, GLAMO_GPIO4, 1);
- glamo_gpio_cfgpin(sp->info->core, GLAMO_GPIO4_OUTPUT);
- msleep(90);
-
-#if 0
- sp->dev = &pdev->dev;
-
- sp->bitbang.setup_transfer = glamo_spi_setupxfer;
- sp->bitbang.txrx_bufs = glamo_spi_txrx;
- sp->bitbang.master->setup = glamo_spi_setup;
-#endif
-
- dev_set_drvdata(&sp->master->dev, sp);
-
- ret = spi_bitbang_start(&sp->bitbang);
- if (ret)
- goto err_no_bitbang;
-
- return 0;
-
-err_no_bitbang:
- platform_set_drvdata(pdev, NULL);
-err_no_pdev:
- spi_master_put(sp->bitbang.master);
-err:
- return ret;
-
-}
-
-static int glamo_spigpio_remove(struct platform_device *pdev)
-{
- struct glamo_spigpio *sp = platform_get_drvdata(pdev);
-
- spi_bitbang_stop(&sp->bitbang);
- spi_master_put(sp->bitbang.master);
-
- return 0;
-}
-
-
-#ifdef CONFIG_PM
-/*static int glamo_spigpio_suspend(struct device *dev)
-{
- return 0;
-}*/
-
-static int glamo_spigpio_resume(struct device *dev)
-{
- struct glamo_spigpio *sp = dev_get_drvdata(dev);
-
- if (!sp)
- return 0;
-
- /* set state of spi pins */
- glamo_gpio_setpin(sp->info->core, sp->info->pin_clk, 0);
- glamo_gpio_setpin(sp->info->core, sp->info->pin_mosi, 0);
- glamo_gpio_setpin(sp->info->core, sp->info->pin_cs, 1);
-
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_clk);
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_mosi);
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_cs);
- if (sp->info->pin_miso)
- glamo_gpio_cfgpin(sp->info->core, sp->info->pin_miso);
-
- return 0;
-}
-
-static struct dev_pm_ops glamo_spigpio_pm_ops = {
-/* .suspend = glamo_spiogpio_suspend,*/
- .resume_noirq = glamo_spigpio_resume,
-};
-
-#define GLAMO_SPIGPIO_PM_OPS (&glamo_spigpio_pm_ops)
-
-#else
-#define GLAMO_SPIGPIO_PM_OPS NULL
-#endif
-
-static struct platform_driver glamo_spi_drv = {
- .probe = glamo_spigpio_probe,
- .remove = glamo_spigpio_remove,
- .driver = {
- .name = "glamo-spi-gpio",
- .owner = THIS_MODULE,
- .pm = GLAMO_SPIGPIO_PM_OPS,
- },
-};
-
-static int __init glamo_spi_init(void)
-{
- return platform_driver_register(&glamo_spi_drv);
-}
-
-static void __exit glamo_spi_exit(void)
-{
- platform_driver_unregister(&glamo_spi_drv);
-}
-
-module_init(glamo_spi_init);
-module_exit(glamo_spi_exit);
-
-MODULE_DESCRIPTION("Smedia Glamo 336x/337x LCM serial command SPI Driver");
-MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>")
-MODULE_LICENSE("GPL");