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linux-sg2042
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Merge branch 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm 

* 'msm-core' of git://codeaurora.org/quic/kernel/dwalker/linux-msm:
  msm: mmc: Add msm prefix to platform data structure
  msm: trout: Remove extern declaration from source file
  arm: msm: Fix section mismatch in smd.c.
  arm: msm: trout add mmc support
  arm: msm: trout: add trout specific gpio interrupts
  arm: msm: remove unused #include <linux/version.h>
This commit is contained in:
Linus Torvalds 2010-08-12 10:07:32 -07:00
parent 4032816dca b5d643de3e
commit ce4327d372
12 changed files with 323 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/mach-msm/Makefile
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@ -15,7 +15,7 @@ obj-$(CONFIG_ARCH_QSD8X50) += sirc.o
obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o devices-msm7x00.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o board-trout-mmc.o devices-msm7x00.o
obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o
obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o

1
arch/arm/mach-msm/acpuclock-arm11.c
View File

@ -17,7 +17,6 @@
*
*/
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/list.h>

115
arch/arm/mach-msm/board-trout-gpio.c
View File

@ -15,10 +15,20 @@
#include <linux/module.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include "board-trout.h"
static uint8_t trout_int_mask[2] = {
[0] = 0xff, /* mask all interrupts */
[1] = 0xff,
};
static uint8_t trout_sleep_int_mask[] = {
[0] = 0xff,
[1] = 0xff,
};
struct msm_gpio_chip {
struct gpio_chip chip;
void __iomem *reg; /* Base of register bank */
@ -95,16 +105,121 @@ static struct msm_gpio_chip msm_gpio_banks[] = {
TROUT_GPIO_BANK("VIRTUAL", 0x12, TROUT_GPIO_VIRTUAL_BASE, 0),
};
static void trout_gpio_irq_ack(unsigned int irq)
{
int bank = TROUT_INT_TO_BANK(irq);
uint8_t mask = TROUT_INT_TO_MASK(irq);
int reg = TROUT_BANK_TO_STAT_REG(bank);
/*printk(KERN_INFO "trout_gpio_irq_ack irq %d\n", irq);*/
writeb(mask, TROUT_CPLD_BASE + reg);
}
static void trout_gpio_irq_mask(unsigned int irq)
{
unsigned long flags;
uint8_t reg_val;
int bank = TROUT_INT_TO_BANK(irq);
uint8_t mask = TROUT_INT_TO_MASK(irq);
int reg = TROUT_BANK_TO_MASK_REG(bank);
local_irq_save(flags);
reg_val = trout_int_mask[bank] |= mask;
/*printk(KERN_INFO "trout_gpio_irq_mask irq %d => %d:%02x\n",
irq, bank, reg_val);*/
writeb(reg_val, TROUT_CPLD_BASE + reg);
local_irq_restore(flags);
}
static void trout_gpio_irq_unmask(unsigned int irq)
{
unsigned long flags;
uint8_t reg_val;
int bank = TROUT_INT_TO_BANK(irq);
uint8_t mask = TROUT_INT_TO_MASK(irq);
int reg = TROUT_BANK_TO_MASK_REG(bank);
local_irq_save(flags);
reg_val = trout_int_mask[bank] &= ~mask;
/*printk(KERN_INFO "trout_gpio_irq_unmask irq %d => %d:%02x\n",
irq, bank, reg_val);*/
writeb(reg_val, TROUT_CPLD_BASE + reg);
local_irq_restore(flags);
}
int trout_gpio_irq_set_wake(unsigned int irq, unsigned int on)
{
unsigned long flags;
int bank = TROUT_INT_TO_BANK(irq);
uint8_t mask = TROUT_INT_TO_MASK(irq);
local_irq_save(flags);
if(on)
trout_sleep_int_mask[bank] &= ~mask;
else
trout_sleep_int_mask[bank] |= mask;
local_irq_restore(flags);
return 0;
}
static void trout_gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
{
int j, m;
unsigned v;
int bank;
int stat_reg;
int int_base = TROUT_INT_START;
uint8_t int_mask;
for (bank = 0; bank < 2; bank++) {
stat_reg = TROUT_BANK_TO_STAT_REG(bank);
v = readb(TROUT_CPLD_BASE + stat_reg);
int_mask = trout_int_mask[bank];
if (v & int_mask) {
writeb(v & int_mask, TROUT_CPLD_BASE + stat_reg);
printk(KERN_ERR "trout_gpio_irq_handler: got masked "
"interrupt: %d:%02x\n", bank, v & int_mask);
}
v &= ~int_mask;
while (v) {
m = v & -v;
j = fls(m) - 1;
/*printk(KERN_INFO "msm_gpio_irq_handler %d:%02x %02x b"
"it %d irq %d\n", bank, v, m, j, int_base + j);*/
v &= ~m;
generic_handle_irq(int_base + j);
}
int_base += TROUT_INT_BANK0_COUNT;
}
desc->chip->ack(irq);
}
static struct irq_chip trout_gpio_irq_chip = {
.name = "troutgpio",
.ack = trout_gpio_irq_ack,
.mask = trout_gpio_irq_mask,
.unmask = trout_gpio_irq_unmask,
.set_wake = trout_gpio_irq_set_wake,
};
/*
* Called from the processor-specific init to enable GPIO pin support.
*/
int __init trout_init_gpio(void)
{
int i;
for(i = TROUT_INT_START; i <= TROUT_INT_END; i++) {
set_irq_chip(i, &trout_gpio_irq_chip);
set_irq_handler(i, handle_edge_irq);
set_irq_flags(i, IRQF_VALID);
}
for (i = 0; i < ARRAY_SIZE(msm_gpio_banks); i++)
gpiochip_add(&msm_gpio_banks[i].chip);
set_irq_type(MSM_GPIO_TO_INT(17), IRQF_TRIGGER_HIGH);
set_irq_chained_handler(MSM_GPIO_TO_INT(17), trout_gpio_irq_handler);
set_irq_wake(MSM_GPIO_TO_INT(17), 1);
return 0;
}

186
arch/arm/mach-msm/board-trout-mmc.c Normal file
View File

@ -0,0 +1,186 @@
/* linux/arch/arm/mach-msm/board-trout-mmc.c
** Author: Brian Swetland <swetland@google.com>
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdio_ids.h>
#include <linux/err.h>
#include <linux/debugfs.h>
#include <asm/gpio.h>
#include <asm/io.h>
#include <mach/vreg.h>
#include <mach/mmc.h>
#include "devices.h"
#include "board-trout.h"
#include "proc_comm.h"
#define DEBUG_SDSLOT_VDD 1
/* ---- COMMON ---- */
static void config_gpio_table(uint32_t *table, int len)
{
int n;
unsigned id;
for(n = 0; n < len; n++) {
id = table[n];
msm_proc_comm(PCOM_RPC_GPIO_TLMM_CONFIG_EX, &id, 0);
}
}
/* ---- SDCARD ---- */
static uint32_t sdcard_on_gpio_table[] = {
PCOM_GPIO_CFG(62, 2, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), /* CLK */
PCOM_GPIO_CFG(63, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* CMD */
PCOM_GPIO_CFG(64, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* DAT3 */
PCOM_GPIO_CFG(65, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), /* DAT2 */
PCOM_GPIO_CFG(66, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT1 */
PCOM_GPIO_CFG(67, 2, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_4MA), /* DAT0 */
};
static uint32_t sdcard_off_gpio_table[] = {
PCOM_GPIO_CFG(62, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CLK */
PCOM_GPIO_CFG(63, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* CMD */
PCOM_GPIO_CFG(64, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT3 */
PCOM_GPIO_CFG(65, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT2 */
PCOM_GPIO_CFG(66, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT1 */
PCOM_GPIO_CFG(67, 0, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_4MA), /* DAT0 */
};
static uint opt_disable_sdcard;
static int __init trout_disablesdcard_setup(char *str)
{
int cal = simple_strtol(str, NULL, 0);
opt_disable_sdcard = cal;
return 1;
}
__setup("board_trout.disable_sdcard=", trout_disablesdcard_setup);
static struct vreg *vreg_sdslot; /* SD slot power */
struct mmc_vdd_xlat {
int mask;
int level;
};
static struct mmc_vdd_xlat mmc_vdd_table[] = {
{ MMC_VDD_165_195, 1800 },
{ MMC_VDD_20_21, 2050 },
{ MMC_VDD_21_22, 2150 },
{ MMC_VDD_22_23, 2250 },
{ MMC_VDD_23_24, 2350 },
{ MMC_VDD_24_25, 2450 },
{ MMC_VDD_25_26, 2550 },
{ MMC_VDD_26_27, 2650 },
{ MMC_VDD_27_28, 2750 },
{ MMC_VDD_28_29, 2850 },
{ MMC_VDD_29_30, 2950 },
};
static unsigned int sdslot_vdd = 0xffffffff;
static unsigned int sdslot_vreg_enabled;
static uint32_t trout_sdslot_switchvdd(struct device *dev, unsigned int vdd)
{
int i, rc;
BUG_ON(!vreg_sdslot);
if (vdd == sdslot_vdd)
return 0;
sdslot_vdd = vdd;
if (vdd == 0) {
#if DEBUG_SDSLOT_VDD
printk("%s: Disabling SD slot power\n", __func__);
#endif
config_gpio_table(sdcard_off_gpio_table,
ARRAY_SIZE(sdcard_off_gpio_table));
vreg_disable(vreg_sdslot);
sdslot_vreg_enabled = 0;
return 0;
}
if (!sdslot_vreg_enabled) {
rc = vreg_enable(vreg_sdslot);
if (rc) {
printk(KERN_ERR "%s: Error enabling vreg (%d)\n",
__func__, rc);
}
config_gpio_table(sdcard_on_gpio_table,
ARRAY_SIZE(sdcard_on_gpio_table));
sdslot_vreg_enabled = 1;
}
for (i = 0; i < ARRAY_SIZE(mmc_vdd_table); i++) {
if (mmc_vdd_table[i].mask == (1 << vdd)) {
#if DEBUG_SDSLOT_VDD
printk("%s: Setting level to %u\n",
__func__, mmc_vdd_table[i].level);
#endif
rc = vreg_set_level(vreg_sdslot,
mmc_vdd_table[i].level);
if (rc) {
printk(KERN_ERR
"%s: Error setting vreg level (%d)\n",
__func__, rc);
}
return 0;
}
}
printk(KERN_ERR "%s: Invalid VDD %d specified\n", __func__, vdd);
return 0;
}
static unsigned int trout_sdslot_status(struct device *dev)
{
unsigned int status;
status = (unsigned int) gpio_get_value(TROUT_GPIO_SDMC_CD_N);
return (!status);
}
#define TROUT_MMC_VDD MMC_VDD_165_195 | MMC_VDD_20_21 | MMC_VDD_21_22 \
| MMC_VDD_22_23 | MMC_VDD_23_24 | MMC_VDD_24_25 \
| MMC_VDD_25_26 | MMC_VDD_26_27 | MMC_VDD_27_28 \
| MMC_VDD_28_29 | MMC_VDD_29_30
static struct msm_mmc_platform_data trout_sdslot_data = {
.ocr_mask = TROUT_MMC_VDD,
.status = trout_sdslot_status,
.translate_vdd = trout_sdslot_switchvdd,
};
int __init trout_init_mmc(unsigned int sys_rev)
{
sdslot_vreg_enabled = 0;
vreg_sdslot = vreg_get(0, "gp6");
if (IS_ERR(vreg_sdslot))
return PTR_ERR(vreg_sdslot);
set_irq_wake(TROUT_GPIO_TO_INT(TROUT_GPIO_SDMC_CD_N), 1);
if (!opt_disable_sdcard)
msm_add_sdcc(2, &trout_sdslot_data,
TROUT_GPIO_TO_INT(TROUT_GPIO_SDMC_CD_N), 0);
else
printk(KERN_INFO "trout: SD-Card interface disabled\n");
return 0;
}

11
arch/arm/mach-msm/board-trout.c
View File

@ -30,6 +30,8 @@
#include "devices.h"
#include "board-trout.h"
extern int trout_init_mmc(unsigned int);
static struct platform_device *devices[] __initdata = {
&msm_device_uart3,
&msm_device_smd,
@ -55,7 +57,16 @@ static void __init trout_fixup(struct machine_desc *desc, struct tag *tags,
static void __init trout_init(void)
{
int rc;
platform_add_devices(devices, ARRAY_SIZE(devices));
#ifdef CONFIG_MMC
rc = trout_init_mmc(system_rev);
if (rc)
printk(KERN_CRIT "%s: MMC init failure (%d)\n", __func__, rc);
#endif
}
static struct map_desc trout_io_desc[] __initdata = {

1
arch/arm/mach-msm/clock.c
View File

@ -14,7 +14,6 @@
*
*/
#include <linux/version.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/module.h>

3
arch/arm/mach-msm/devices-msm7x00.c
View File

@ -322,7 +322,8 @@ static struct platform_device *msm_sdcc_devices[] __initdata = {
&msm_device_sdc4,
};
int __init msm_add_sdcc(unsigned int controller, struct mmc_platform_data *plat,
int __init msm_add_sdcc(unsigned int controller,
struct msm_mmc_platform_data *plat,
unsigned int stat_irq, unsigned long stat_irq_flags)
{
struct platform_device *pdev;

4
arch/arm/mach-msm/include/mach/board.h
View File

@ -18,6 +18,7 @@
#define __ASM_ARCH_MSM_BOARD_H
#include <linux/types.h>
#include <mach/mmc.h>
/* platform device data structures */
@ -40,5 +41,8 @@ void __init msm_init_irq(void);
void __init msm_init_gpio(void);
void __init msm_clock_init(struct clk *clock_tbl, unsigned num_clocks);
void __init msm_acpu_clock_init(struct msm_acpu_clock_platform_data *);
int __init msm_add_sdcc(unsigned int controller,
struct msm_mmc_platform_data *plat,
unsigned int stat_irq, unsigned long stat_irq_flags);
#endif

2
arch/arm/mach-msm/include/mach/mmc.h
View File

@ -15,7 +15,7 @@ struct embedded_sdio_data {
int num_funcs;
};
struct mmc_platform_data {
struct msm_mmc_platform_data {
unsigned int ocr_mask; /* available voltages */
u32 (*translate_vdd)(struct device *, unsigned int);
unsigned int (*status)(struct device *);

2
arch/arm/mach-msm/smd.c
View File

@ -997,7 +997,7 @@ int smd_core_init(void)
return 0;
}
static int __init msm_smd_probe(struct platform_device *pdev)
static int __devinit msm_smd_probe(struct platform_device *pdev)
{
pr_info("smd_init()\n");

2
drivers/mmc/host/msm_sdcc.c
View File

@ -1060,7 +1060,7 @@ msmsdcc_init_dma(struct msmsdcc_host *host)
static int
msmsdcc_probe(struct platform_device *pdev)
{
struct mmc_platform_data *plat = pdev->dev.platform_data;
struct msm_mmc_platform_data *plat = pdev->dev.platform_data;
struct msmsdcc_host *host;
struct mmc_host *mmc;
struct resource *cmd_irqres = NULL;

2
drivers/mmc/host/msm_sdcc.h
View File

@ -225,7 +225,7 @@ struct msmsdcc_host {
u32 pwr;
u32 saved_irq0mask; /* MMCIMASK0 reg value */
struct mmc_platform_data *plat;
struct msm_mmc_platform_data *plat;
struct timer_list timer;
unsigned int oldstat;