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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:13:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-17 19:13:18 -0700
commit6899608533410557e6698cb9d4ff6df553916e98 (patch)
treeb392548a6757d08ec7b1395925499e032c174411 /drivers
parent411f5c7a502769ccc0377c5ba36cb0b283847ba8 (diff)
parent92c260f755c42337c550d8ac1f8ccd1b32bffb20 (diff)
Merge branch 'for-linus' of git://codeaurora.org/quic/kernel/davidb/linux-msm
* 'for-linus' of git://codeaurora.org/quic/kernel/davidb/linux-msm: (46 commits) msm: scm: Check for interruption immediately msm: scm: Fix improper register assignment msm: scm: Mark inline asm as volatile msm: iommu: Enable HTW L2 redirection on MSM8960 msm: iommu: Don't read from write-only registers msm: iommu: Remove dependency on IDR msm: iommu: Use ASID tagging instead of VMID tagging msm: iommu: Rework clock logic and add IOMMU bus clock control msm: iommu: Clock control for the IOMMU driver msm: mdp: Set the correct pack pattern for XRGB/ARGB msm_fb: Fix framebuffer console msm: mdp: Add support for RGBX 8888 image format. video: msmfb: Put the partial update magic value into the fix_screen struct. msm: clock: Migrate to clkdev msm: clock: Remove references to clk_ops_pcom msm: headsmp.S: Fix section mismatch msm: Use explicit GPLv2 licenses msm: iommu: Enable IOMMU support for MSM8960 msm: iommu: Generalize platform data for multiple targets msm: iommu: Create a Kconfig item for the IOMMU driver ...
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/msm_sdcc.c40
-rw-r--r--drivers/mmc/host/msm_sdcc.h1
-rw-r--r--drivers/tty/serial/msm_serial.c286
-rw-r--r--drivers/tty/serial/msm_serial.h28
-rw-r--r--drivers/video/msm/mdp_hw.h11
-rw-r--r--drivers/video/msm/mdp_ppp.c1
-rw-r--r--drivers/video/msm/msm_fb.c27
7 files changed, 334 insertions, 60 deletions
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 153ab977a01..97c9b3638d5 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -36,6 +36,7 @@
#include <linux/io.h>
#include <linux/memory.h>
#include <linux/gfp.h>
+#include <linux/gpio.h>
#include <asm/cacheflush.h>
#include <asm/div64.h>
@@ -941,6 +942,38 @@ msmsdcc_request(struct mmc_host *mmc, struct mmc_request *mrq)
spin_unlock_irqrestore(&host->lock, flags);
}
+static void msmsdcc_setup_gpio(struct msmsdcc_host *host, bool enable)
+{
+ struct msm_mmc_gpio_data *curr;
+ int i, rc = 0;
+
+ if (!host->plat->gpio_data && host->gpio_config_status == enable)
+ return;
+
+ curr = host->plat->gpio_data;
+ for (i = 0; i < curr->size; i++) {
+ if (enable) {
+ rc = gpio_request(curr->gpio[i].no,
+ curr->gpio[i].name);
+ if (rc) {
+ pr_err("%s: gpio_request(%d, %s) failed %d\n",
+ mmc_hostname(host->mmc),
+ curr->gpio[i].no,
+ curr->gpio[i].name, rc);
+ goto free_gpios;
+ }
+ } else {
+ gpio_free(curr->gpio[i].no);
+ }
+ }
+ host->gpio_config_status = enable;
+ return;
+
+free_gpios:
+ for (; i >= 0; i--)
+ gpio_free(curr->gpio[i].no);
+}
+
static void
msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
{
@@ -953,6 +986,8 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
msmsdcc_enable_clocks(host);
+ spin_unlock_irqrestore(&host->lock, flags);
+
if (ios->clock) {
if (ios->clock != host->clk_rate) {
rc = clk_set_rate(host->clk, ios->clock);
@@ -979,9 +1014,11 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
switch (ios->power_mode) {
case MMC_POWER_OFF:
+ msmsdcc_setup_gpio(host, false);
break;
case MMC_POWER_UP:
pwr |= MCI_PWR_UP;
+ msmsdcc_setup_gpio(host, true);
break;
case MMC_POWER_ON:
pwr |= MCI_PWR_ON;
@@ -998,9 +1035,10 @@ msmsdcc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
msmsdcc_writel(host, pwr, MMCIPOWER);
}
#if BUSCLK_PWRSAVE
+ spin_lock_irqsave(&host->lock, flags);
msmsdcc_disable_clocks(host, 1);
-#endif
spin_unlock_irqrestore(&host->lock, flags);
+#endif
}
static void msmsdcc_enable_sdio_irq(struct mmc_host *mmc, int enable)
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
index 939557af266..42d7bbc977c 100644
--- a/drivers/mmc/host/msm_sdcc.h
+++ b/drivers/mmc/host/msm_sdcc.h
@@ -243,6 +243,7 @@ struct msmsdcc_host {
unsigned int cmd_datactrl;
struct mmc_command *cmd_cmd;
u32 cmd_c;
+ bool gpio_config_status;
bool prog_scan;
bool prog_enable;
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 8e43a7b69e6..bfee9b4c666 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 2007 Google, Inc.
* Author: Robert Love <rlove@google.com>
+ * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -31,6 +32,7 @@
#include <linux/serial.h>
#include <linux/clk.h>
#include <linux/platform_device.h>
+#include <linux/delay.h>
#include "msm_serial.h"
@@ -38,9 +40,20 @@ struct msm_port {
struct uart_port uart;
char name[16];
struct clk *clk;
+ struct clk *pclk;
unsigned int imr;
+ unsigned int *gsbi_base;
+ int is_uartdm;
+ unsigned int old_snap_state;
};
+static inline void wait_for_xmitr(struct uart_port *port, int bits)
+{
+ if (!(msm_read(port, UART_SR) & UART_SR_TX_EMPTY))
+ while ((msm_read(port, UART_ISR) & bits) != bits)
+ cpu_relax();
+}
+
static void msm_stop_tx(struct uart_port *port)
{
struct msm_port *msm_port = UART_TO_MSM(port);
@@ -73,6 +86,61 @@ static void msm_enable_ms(struct uart_port *port)
msm_write(port, msm_port->imr, UART_IMR);
}
+static void handle_rx_dm(struct uart_port *port, unsigned int misr)
+{
+ struct tty_struct *tty = port->state->port.tty;
+ unsigned int sr;
+ int count = 0;
+ struct msm_port *msm_port = UART_TO_MSM(port);
+
+ if ((msm_read(port, UART_SR) & UART_SR_OVERRUN)) {
+ port->icount.overrun++;
+ tty_insert_flip_char(tty, 0, TTY_OVERRUN);
+ msm_write(port, UART_CR_CMD_RESET_ERR, UART_CR);
+ }
+
+ if (misr & UART_IMR_RXSTALE) {
+ count = msm_read(port, UARTDM_RX_TOTAL_SNAP) -
+ msm_port->old_snap_state;
+ msm_port->old_snap_state = 0;
+ } else {
+ count = 4 * (msm_read(port, UART_RFWR));
+ msm_port->old_snap_state += count;
+ }
+
+ /* TODO: Precise error reporting */
+
+ port->icount.rx += count;
+
+ while (count > 0) {
+ unsigned int c;
+
+ sr = msm_read(port, UART_SR);
+ if ((sr & UART_SR_RX_READY) == 0) {
+ msm_port->old_snap_state -= count;
+ break;
+ }
+ c = msm_read(port, UARTDM_RF);
+ if (sr & UART_SR_RX_BREAK) {
+ port->icount.brk++;
+ if (uart_handle_break(port))
+ continue;
+ } else if (sr & UART_SR_PAR_FRAME_ERR)
+ port->icount.frame++;
+
+ /* TODO: handle sysrq */
+ tty_insert_flip_string(tty, (char *) &c,
+ (count > 4) ? 4 : count);
+ count -= 4;
+ }
+
+ tty_flip_buffer_push(tty);
+ if (misr & (UART_IMR_RXSTALE))
+ msm_write(port, UART_CR_CMD_RESET_STALE_INT, UART_CR);
+ msm_write(port, 0xFFFFFF, UARTDM_DMRX);
+ msm_write(port, UART_CR_CMD_STALE_EVENT_ENABLE, UART_CR);
+}
+
static void handle_rx(struct uart_port *port)
{
struct tty_struct *tty = port->state->port.tty;
@@ -121,6 +189,12 @@ static void handle_rx(struct uart_port *port)
tty_flip_buffer_push(tty);
}
+static void reset_dm_count(struct uart_port *port)
+{
+ wait_for_xmitr(port, UART_ISR_TX_READY);
+ msm_write(port, 1, UARTDM_NCF_TX);
+}
+
static void handle_tx(struct uart_port *port)
{
struct circ_buf *xmit = &port->state->xmit;
@@ -128,11 +202,18 @@ static void handle_tx(struct uart_port *port)
int sent_tx;
if (port->x_char) {
- msm_write(port, port->x_char, UART_TF);
+ if (msm_port->is_uartdm)
+ reset_dm_count(port);
+
+ msm_write(port, port->x_char,
+ msm_port->is_uartdm ? UARTDM_TF : UART_TF);
port->icount.tx++;
port->x_char = 0;
}
+ if (msm_port->is_uartdm)
+ reset_dm_count(port);
+
while (msm_read(port, UART_SR) & UART_SR_TX_READY) {
if (uart_circ_empty(xmit)) {
/* disable tx interrupts */
@@ -140,8 +221,11 @@ static void handle_tx(struct uart_port *port)
msm_write(port, msm_port->imr, UART_IMR);
break;
}
+ msm_write(port, xmit->buf[xmit->tail],
+ msm_port->is_uartdm ? UARTDM_TF : UART_TF);
- msm_write(port, xmit->buf[xmit->tail], UART_TF);
+ if (msm_port->is_uartdm)
+ reset_dm_count(port);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
port->icount.tx++;
@@ -169,8 +253,12 @@ static irqreturn_t msm_irq(int irq, void *dev_id)
misr = msm_read(port, UART_MISR);
msm_write(port, 0, UART_IMR); /* disable interrupt */
- if (misr & (UART_IMR_RXLEV | UART_IMR_RXSTALE))
- handle_rx(port);
+ if (misr & (UART_IMR_RXLEV | UART_IMR_RXSTALE)) {
+ if (msm_port->is_uartdm)
+ handle_rx_dm(port, misr);
+ else
+ handle_rx(port);
+ }
if (misr & UART_IMR_TXLEV)
handle_tx(port);
if (misr & UART_IMR_DELTA_CTS)
@@ -192,10 +280,21 @@ static unsigned int msm_get_mctrl(struct uart_port *port)
return TIOCM_CAR | TIOCM_CTS | TIOCM_DSR | TIOCM_RTS;
}
-static void msm_set_mctrl(struct uart_port *port, unsigned int mctrl)
+
+static void msm_reset(struct uart_port *port)
{
- unsigned int mr;
+ /* reset everything */
+ msm_write(port, UART_CR_CMD_RESET_RX, UART_CR);
+ msm_write(port, UART_CR_CMD_RESET_TX, UART_CR);
+ msm_write(port, UART_CR_CMD_RESET_ERR, UART_CR);
+ msm_write(port, UART_CR_CMD_RESET_BREAK_INT, UART_CR);
+ msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
+ msm_write(port, UART_CR_CMD_SET_RFR, UART_CR);
+}
+void msm_set_mctrl(struct uart_port *port, unsigned int mctrl)
+{
+ unsigned int mr;
mr = msm_read(port, UART_MR1);
if (!(mctrl & TIOCM_RTS)) {
@@ -219,6 +318,7 @@ static void msm_break_ctl(struct uart_port *port, int break_ctl)
static int msm_set_baud_rate(struct uart_port *port, unsigned int baud)
{
unsigned int baud_code, rxstale, watermark;
+ struct msm_port *msm_port = UART_TO_MSM(port);
switch (baud) {
case 300:
@@ -273,6 +373,9 @@ static int msm_set_baud_rate(struct uart_port *port, unsigned int baud)
break;
}
+ if (msm_port->is_uartdm)
+ msm_write(port, UART_CR_CMD_RESET_RX, UART_CR);
+
msm_write(port, baud_code, UART_CSR);
/* RX stale watermark */
@@ -288,25 +391,23 @@ static int msm_set_baud_rate(struct uart_port *port, unsigned int baud)
/* set TX watermark */
msm_write(port, 10, UART_TFWR);
+ if (msm_port->is_uartdm) {
+ msm_write(port, UART_CR_CMD_RESET_STALE_INT, UART_CR);
+ msm_write(port, 0xFFFFFF, UARTDM_DMRX);
+ msm_write(port, UART_CR_CMD_STALE_EVENT_ENABLE, UART_CR);
+ }
+
return baud;
}
-static void msm_reset(struct uart_port *port)
-{
- /* reset everything */
- msm_write(port, UART_CR_CMD_RESET_RX, UART_CR);
- msm_write(port, UART_CR_CMD_RESET_TX, UART_CR);
- msm_write(port, UART_CR_CMD_RESET_ERR, UART_CR);
- msm_write(port, UART_CR_CMD_RESET_BREAK_INT, UART_CR);
- msm_write(port, UART_CR_CMD_RESET_CTS, UART_CR);
- msm_write(port, UART_CR_CMD_SET_RFR, UART_CR);
-}
static void msm_init_clock(struct uart_port *port)
{
struct msm_port *msm_port = UART_TO_MSM(port);
clk_enable(msm_port->clk);
+ if (!IS_ERR(msm_port->pclk))
+ clk_enable(msm_port->pclk);
msm_serial_set_mnd_regs(port);
}
@@ -347,15 +448,31 @@ static int msm_startup(struct uart_port *port)
msm_write(port, data, UART_IPR);
}
- msm_reset(port);
+ data = 0;
+ if (!port->cons || (port->cons && !(port->cons->flags & CON_ENABLED))) {
+ msm_write(port, UART_CR_CMD_PROTECTION_EN, UART_CR);
+ msm_reset(port);
+ data = UART_CR_TX_ENABLE;
+ }
+
+ data |= UART_CR_RX_ENABLE;
+ msm_write(port, data, UART_CR); /* enable TX & RX */
- msm_write(port, 0x05, UART_CR); /* enable TX & RX */
+ /* Make sure IPR is not 0 to start with*/
+ if (msm_port->is_uartdm)
+ msm_write(port, UART_IPR_STALE_LSB, UART_IPR);
/* turn on RX and CTS interrupts */
msm_port->imr = UART_IMR_RXLEV | UART_IMR_RXSTALE |
UART_IMR_CURRENT_CTS;
- msm_write(port, msm_port->imr, UART_IMR);
+ if (msm_port->is_uartdm) {
+ msm_write(port, 0xFFFFFF, UARTDM_DMRX);
+ msm_write(port, UART_CR_CMD_RESET_STALE_INT, UART_CR);
+ msm_write(port, UART_CR_CMD_STALE_EVENT_ENABLE, UART_CR);
+ }
+
+ msm_write(port, msm_port->imr, UART_IMR);
return 0;
}
@@ -384,7 +501,7 @@ static void msm_set_termios(struct uart_port *port, struct ktermios *termios,
baud = msm_set_baud_rate(port, baud);
if (tty_termios_baud_rate(termios))
tty_termios_encode_baud_rate(termios, baud, baud);
-
+
/* calculate parity */
mr = msm_read(port, UART_MR2);
mr &= ~UART_MR2_PARITY_MODE;
@@ -454,48 +571,105 @@ static const char *msm_type(struct uart_port *port)
static void msm_release_port(struct uart_port *port)
{
struct platform_device *pdev = to_platform_device(port->dev);
- struct resource *resource;
+ struct msm_port *msm_port = UART_TO_MSM(port);
+ struct resource *uart_resource;
+ struct resource *gsbi_resource;
resource_size_t size;
- resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(!resource))
+ uart_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (unlikely(!uart_resource))
return;
- size = resource->end - resource->start + 1;
+ size = resource_size(uart_resource);
release_mem_region(port->mapbase, size);
iounmap(port->membase);
port->membase = NULL;
+
+ if (msm_port->gsbi_base) {
+ iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base +
+ GSBI_CONTROL);
+
+ gsbi_resource = platform_get_resource_byname(pdev,
+ IORESOURCE_MEM,
+ "gsbi_resource");
+
+ if (unlikely(!gsbi_resource))
+ return;
+
+ size = resource_size(gsbi_resource);
+ release_mem_region(gsbi_resource->start, size);
+ iounmap(msm_port->gsbi_base);
+ msm_port->gsbi_base = NULL;
+ }
}
static int msm_request_port(struct uart_port *port)
{
+ struct msm_port *msm_port = UART_TO_MSM(port);
struct platform_device *pdev = to_platform_device(port->dev);
- struct resource *resource;
+ struct resource *uart_resource;
+ struct resource *gsbi_resource;
resource_size_t size;
+ int ret;
- resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (unlikely(!resource))
+ uart_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "uart_resource");
+ if (unlikely(!uart_resource))
return -ENXIO;
- size = resource->end - resource->start + 1;
- if (unlikely(!request_mem_region(port->mapbase, size, "msm_serial")))
+ size = resource_size(uart_resource);
+
+ if (!request_mem_region(port->mapbase, size, "msm_serial"))
return -EBUSY;
port->membase = ioremap(port->mapbase, size);
if (!port->membase) {
- release_mem_region(port->mapbase, size);
- return -EBUSY;
+ ret = -EBUSY;
+ goto fail_release_port;
+ }
+
+ gsbi_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "gsbi_resource");
+ /* Is this a GSBI-based port? */
+ if (gsbi_resource) {
+ size = resource_size(gsbi_resource);
+
+ if (!request_mem_region(gsbi_resource->start, size,
+ "msm_serial")) {
+ ret = -EBUSY;
+ goto fail_release_port;
+ }
+
+ msm_port->gsbi_base = ioremap(gsbi_resource->start, size);
+ if (!msm_port->gsbi_base) {
+ ret = -EBUSY;
+ goto fail_release_gsbi;
+ }
}
return 0;
+
+fail_release_gsbi:
+ release_mem_region(gsbi_resource->start, size);
+fail_release_port:
+ release_mem_region(port->mapbase, size);
+ return ret;
}
static void msm_config_port(struct uart_port *port, int flags)
{
+ struct msm_port *msm_port = UART_TO_MSM(port);
+ int ret;
if (flags & UART_CONFIG_TYPE) {
port->type = PORT_MSM;
- msm_request_port(port);
+ ret = msm_request_port(port);
+ if (ret)
+ return;
}
+
+ if (msm_port->is_uartdm)
+ iowrite32(GSBI_PROTOCOL_UART, msm_port->gsbi_base +
+ GSBI_CONTROL);
}
static int msm_verify_port(struct uart_port *port, struct serial_struct *ser)
@@ -515,9 +689,13 @@ static void msm_power(struct uart_port *port, unsigned int state,
switch (state) {
case 0:
clk_enable(msm_port->clk);
+ if (!IS_ERR(msm_port->pclk))
+ clk_enable(msm_port->pclk);
break;
case 3:
clk_disable(msm_port->clk);
+ if (!IS_ERR(msm_port->pclk))
+ clk_disable(msm_port->pclk);
break;
default:
printk(KERN_ERR "msm_serial: Unknown PM state %d\n", state);
@@ -550,7 +728,7 @@ static struct msm_port msm_uart_ports[] = {
.iotype = UPIO_MEM,
.ops = &msm_uart_pops,
.flags = UPF_BOOT_AUTOCONF,
- .fifosize = 512,
+ .fifosize = 64,
.line = 0,
},
},
@@ -559,7 +737,7 @@ static struct msm_port msm_uart_ports[] = {
.iotype = UPIO_MEM,
.ops = &msm_uart_pops,
.flags = UPF_BOOT_AUTOCONF,
- .fifosize = 512,
+ .fifosize = 64,
.line = 1,
},
},
@@ -585,9 +763,14 @@ static inline struct uart_port *get_port_from_line(unsigned int line)
static void msm_console_putchar(struct uart_port *port, int c)
{
+ struct msm_port *msm_port = UART_TO_MSM(port);
+
+ if (msm_port->is_uartdm)
+ reset_dm_count(port);
+
while (!(msm_read(port, UART_SR) & UART_SR_TX_READY))
;
- msm_write(port, c, UART_TF);
+ msm_write(port, c, msm_port->is_uartdm ? UARTDM_TF : UART_TF);
}
static void msm_console_write(struct console *co, const char *s,
@@ -609,12 +792,14 @@ static void msm_console_write(struct console *co, const char *s,
static int __init msm_console_setup(struct console *co, char *options)
{
struct uart_port *port;
+ struct msm_port *msm_port;
int baud, flow, bits, parity;
if (unlikely(co->index >= UART_NR || co->index < 0))
return -ENXIO;
port = get_port_from_line(co->index);
+ msm_port = UART_TO_MSM(port);
if (unlikely(!port->membase))
return -ENXIO;
@@ -638,6 +823,11 @@ static int __init msm_console_setup(struct console *co, char *options)
msm_reset(port);
+ if (msm_port->is_uartdm) {
+ msm_write(port, UART_CR_CMD_PROTECTION_EN, UART_CR);
+ msm_write(port, UART_CR_TX_ENABLE, UART_CR);
+ }
+
printk(KERN_INFO "msm_serial: console setup on port #%d\n", port->line);
return uart_set_options(port, co, baud, parity, bits, flow);
@@ -685,14 +875,32 @@ static int __init msm_serial_probe(struct platform_device *pdev)
port->dev = &pdev->dev;
msm_port = UART_TO_MSM(port);
- msm_port->clk = clk_get(&pdev->dev, "uart_clk");
- if (IS_ERR(msm_port->clk))
- return PTR_ERR(msm_port->clk);
+ if (platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsbi_resource"))
+ msm_port->is_uartdm = 1;
+ else
+ msm_port->is_uartdm = 0;
+
+ if (msm_port->is_uartdm) {
+ msm_port->clk = clk_get(&pdev->dev, "gsbi_uart_clk");
+ msm_port->pclk = clk_get(&pdev->dev, "gsbi_pclk");
+ } else {
+ msm_port->clk = clk_get(&pdev->dev, "uart_clk");
+ msm_port->pclk = ERR_PTR(-ENOENT);
+ }
+
+ if (unlikely(IS_ERR(msm_port->clk) || (IS_ERR(msm_port->pclk) &&
+ msm_port->is_uartdm)))
+ return PTR_ERR(msm_port->clk);
+
+ if (msm_port->is_uartdm)
+ clk_set_rate(msm_port->clk, 7372800);
+
port->uartclk = clk_get_rate(msm_port->clk);
printk(KERN_INFO "uartclk = %d\n", port->uartclk);
- resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
+ "uart_resource");
if (unlikely(!resource))
return -ENXIO;
port->mapbase = resource->start;
diff --git a/drivers/tty/serial/msm_serial.h b/drivers/tty/serial/msm_serial.h
index f6ca9ca79e9..9b8dc5d0d85 100644
--- a/drivers/tty/serial/msm_serial.h
+++ b/drivers/tty/serial/msm_serial.h
@@ -3,6 +3,7 @@
*
* Copyright (C) 2007 Google, Inc.
* Author: Robert Love <rlove@google.com>
+ * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
@@ -54,6 +55,7 @@
#define UART_CSR_300 0x22
#define UART_TF 0x000C
+#define UARTDM_TF 0x0070
#define UART_CR 0x0010
#define UART_CR_CMD_NULL (0 << 4)
@@ -64,14 +66,17 @@
#define UART_CR_CMD_START_BREAK (5 << 4)
#define UART_CR_CMD_STOP_BREAK (6 << 4)
#define UART_CR_CMD_RESET_CTS (7 << 4)
+#define UART_CR_CMD_RESET_STALE_INT (8 << 4)
#define UART_CR_CMD_PACKET_MODE (9 << 4)
#define UART_CR_CMD_MODE_RESET (12 << 4)
#define UART_CR_CMD_SET_RFR (13 << 4)
#define UART_CR_CMD_RESET_RFR (14 << 4)
+#define UART_CR_CMD_PROTECTION_EN (16 << 4)
+#define UART_CR_CMD_STALE_EVENT_ENABLE (80 << 4)
#define UART_CR_TX_DISABLE (1 << 3)
-#define UART_CR_TX_ENABLE (1 << 3)
-#define UART_CR_RX_DISABLE (1 << 3)
-#define UART_CR_RX_ENABLE (1 << 3)
+#define UART_CR_TX_ENABLE (1 << 2)
+#define UART_CR_RX_DISABLE (1 << 1)
+#define UART_CR_RX_ENABLE (1 << 0)
#define UART_IMR 0x0014
#define UART_IMR_TXLEV (1 << 0)
@@ -110,9 +115,20 @@
#define UART_SR_RX_FULL (1 << 1)
#define UART_SR_RX_READY (1 << 0)
-#define UART_RF 0x000C
-#define UART_MISR 0x0010
-#define UART_ISR 0x0014
+#define UART_RF 0x000C
+#define UARTDM_RF 0x0070
+#define UART_MISR 0x0010
+#define UART_ISR 0x0014
+#define UART_ISR_TX_READY (1 << 7)
+
+#define GSBI_CONTROL 0x0
+#define GSBI_PROTOCOL_CODE 0x30
+#define GSBI_PROTOCOL_UART 0x40
+#define GSBI_PROTOCOL_IDLE 0x0
+
+#define UARTDM_DMRX 0x34
+#define UARTDM_NCF_TX 0x40
+#define UARTDM_RX_TOTAL_SNAP 0x38
#define UART_TO_MSM(uart_port) ((struct msm_port *) uart_port)
diff --git a/drivers/video/msm/mdp_hw.h b/drivers/video/msm/mdp_hw.h
index 4e3deb4e592..d80477415ca 100644
--- a/drivers/video/msm/mdp_hw.h
+++ b/drivers/video/msm/mdp_hw.h
@@ -449,6 +449,7 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
#define PPP_CFG_MDP_XRGB_8888(dir) PPP_CFG_MDP_ARGB_8888(dir)
#define PPP_CFG_MDP_RGBA_8888(dir) PPP_CFG_MDP_ARGB_8888(dir)
#define PPP_CFG_MDP_BGRA_8888(dir) PPP_CFG_MDP_ARGB_8888(dir)
+#define PPP_CFG_MDP_RGBX_8888(dir) PPP_CFG_MDP_ARGB_8888(dir)
#define PPP_CFG_MDP_Y_CBCR_H2V2(dir) (PPP_##dir##_C2R_8BIT | \
PPP_##dir##_C0G_8BIT | \
@@ -488,12 +489,14 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
MDP_GET_PACK_PATTERN(0, CLR_R, CLR_G, CLR_B, 8)
#define PPP_PACK_PATTERN_MDP_RGB_888 PPP_PACK_PATTERN_MDP_RGB_565
#define PPP_PACK_PATTERN_MDP_XRGB_8888 \
- MDP_GET_PACK_PATTERN(CLR_ALPHA, CLR_R, CLR_G, CLR_B, 8)
+ MDP_GET_PACK_PATTERN(CLR_B, CLR_G, CLR_R, CLR_ALPHA, 8)
#define PPP_PACK_PATTERN_MDP_ARGB_8888 PPP_PACK_PATTERN_MDP_XRGB_8888
#define PPP_PACK_PATTERN_MDP_RGBA_8888 \
MDP_GET_PACK_PATTERN(CLR_ALPHA, CLR_B, CLR_G, CLR_R, 8)
#define PPP_PACK_PATTERN_MDP_BGRA_8888 \
MDP_GET_PACK_PATTERN(CLR_ALPHA, CLR_R, CLR_G, CLR_B, 8)
+#define PPP_PACK_PATTERN_MDP_RGBX_8888 \
+ MDP_GET_PACK_PATTERN(CLR_ALPHA, CLR_B, CLR_G, CLR_R, 8)
#define PPP_PACK_PATTERN_MDP_Y_CBCR_H2V1 \
MDP_GET_PACK_PATTERN(0, 0, CLR_CB, CLR_CR, 8)
#define PPP_PACK_PATTERN_MDP_Y_CBCR_H2V2 PPP_PACK_PATTERN_MDP_Y_CBCR_H2V1
@@ -509,6 +512,7 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
#define PPP_CHROMA_SAMP_MDP_ARGB_8888(dir) PPP_OP_##dir##_CHROMA_RGB
#define PPP_CHROMA_SAMP_MDP_RGBA_8888(dir) PPP_OP_##dir##_CHROMA_RGB
#define PPP_CHROMA_SAMP_MDP_BGRA_8888(dir) PPP_OP_##dir##_CHROMA_RGB
+#define PPP_CHROMA_SAMP_MDP_RGBX_8888(dir) PPP_OP_##dir##_CHROMA_RGB
#define PPP_CHROMA_SAMP_MDP_Y_CBCR_H2V1(dir) PPP_OP_##dir##_CHROMA_H2V1
#define PPP_CHROMA_SAMP_MDP_Y_CBCR_H2V2(dir) PPP_OP_##dir##_CHROMA_420
#define PPP_CHROMA_SAMP_MDP_Y_CRCB_H2V1(dir) PPP_OP_##dir##_CHROMA_H2V1
@@ -523,6 +527,7 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
[MDP_ARGB_8888] = PPP_##name##_MDP_ARGB_8888,\
[MDP_RGBA_8888] = PPP_##name##_MDP_RGBA_8888,\
[MDP_BGRA_8888] = PPP_##name##_MDP_BGRA_8888,\
+ [MDP_RGBX_8888] = PPP_##name##_MDP_RGBX_8888,\
[MDP_Y_CBCR_H2V1] = PPP_##name##_MDP_Y_CBCR_H2V1,\
[MDP_Y_CBCR_H2V2] = PPP_##name##_MDP_Y_CBCR_H2V2,\
[MDP_Y_CRCB_H2V1] = PPP_##name##_MDP_Y_CRCB_H2V1,\
@@ -536,6 +541,7 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
[MDP_ARGB_8888] = PPP_##name##_MDP_ARGB_8888(dir),\
[MDP_RGBA_8888] = PPP_##name##_MDP_RGBA_8888(dir),\
[MDP_BGRA_8888] = PPP_##name##_MDP_BGRA_8888(dir),\
+ [MDP_RGBX_8888] = PPP_##name##_MDP_RGBX_8888(dir),\
[MDP_Y_CBCR_H2V1] = PPP_##name##_MDP_Y_CBCR_H2V1(dir),\
[MDP_Y_CBCR_H2V2] = PPP_##name##_MDP_Y_CBCR_H2V2(dir),\
[MDP_Y_CRCB_H2V1] = PPP_##name##_MDP_Y_CRCB_H2V1(dir),\
@@ -547,7 +553,8 @@ int mdp_ppp_blit(const struct mdp_info *mdp, struct mdp_blit_req *req,
(img == MDP_YCRYCB_H2V1))
#define IS_RGB(img) ((img == MDP_RGB_565) | (img == MDP_RGB_888) | \
(img == MDP_ARGB_8888) | (img == MDP_RGBA_8888) | \
- (img == MDP_XRGB_8888) | (img == MDP_BGRA_8888))
+ (img == MDP_XRGB_8888) | (img == MDP_BGRA_8888) | \
+ (img == MDP_RGBX_8888))
#define HAS_ALPHA(img) ((img == MDP_ARGB_8888) | (img == MDP_RGBA_8888) | \
(img == MDP_BGRA_8888))
diff --git a/drivers/video/msm/mdp_ppp.c b/drivers/video/msm/mdp_ppp.c
index 4ff001f4cbb..2b6564e8bfe 100644
--- a/drivers/video/msm/mdp_ppp.c
+++ b/drivers/video/msm/mdp_ppp.c
@@ -69,6 +69,7 @@ static uint32_t bytes_per_pixel[] = {
[MDP_ARGB_8888] = 4,
[MDP_RGBA_8888] = 4,
[MDP_BGRA_8888] = 4,
+ [MDP_RGBX_8888] = 4,
[MDP_Y_CBCR_H2V1] = 1,
[MDP_Y_CBCR_H2V2] = 1,
[MDP_Y_CRCB_H2V1] = 1,
diff --git a/drivers/video/msm/msm_fb.c b/drivers/video/msm/msm_fb.c
index debe5933fd2..ec351309e60 100644
--- a/drivers/video/msm/msm_fb.c
+++ b/drivers/video/msm/msm_fb.c
@@ -81,7 +81,6 @@ struct msmfb_info {
spinlock_t update_lock;
struct mutex panel_init_lock;
wait_queue_head_t frame_wq;
- struct workqueue_struct *resume_workqueue;
struct work_struct resume_work;
struct msmfb_callback dma_callback;
struct msmfb_callback vsync_callback;
@@ -111,7 +110,7 @@ static void msmfb_handle_dma_interrupt(struct msmfb_callback *callback)
if (msmfb->sleeping == UPDATING &&
msmfb->frame_done == msmfb->update_frame) {
DLOG(SUSPEND_RESUME, "full update completed\n");
- queue_work(msmfb->resume_workqueue, &msmfb->resume_work);
+ schedule_work(&msmfb->resume_work);
}
spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);
wake_up(&msmfb->frame_wq);
@@ -220,8 +219,8 @@ restart:
sleeping = msmfb->sleeping;
/* on a full update, if the last frame has not completed, wait for it */
- if (pan_display && (msmfb->frame_requested != msmfb->frame_done ||
- sleeping == UPDATING)) {
+ if ((pan_display && msmfb->frame_requested != msmfb->frame_done) ||
+ sleeping == UPDATING) {
int ret;
spin_unlock_irqrestore(&msmfb->update_lock, irq_flags);
ret = wait_event_interruptible_timeout(msmfb->frame_wq,
@@ -470,6 +469,18 @@ static void setup_fb_info(struct msmfb_info *msmfb)
fb_info->var.yoffset = 0;
if (msmfb->panel->caps & MSMFB_CAP_PARTIAL_UPDATES) {
+ /*
+ * Set the param in the fixed screen, so userspace can't
+ * change it. This will be used to check for the
+ * capability.
+ */
+ fb_info->fix.reserved[0] = 0x5444;
+ fb_info->fix.reserved[1] = 0x5055;
+
+ /*
+ * This preloads the value so that if userspace doesn't
+ * change it, it will be a full update
+ */
fb_info->var.reserved[0] = 0x54445055;
fb_info->var.reserved[1] = 0;
fb_info->var.reserved[2] = (uint16_t)msmfb->xres |
@@ -559,12 +570,6 @@ static int msmfb_probe(struct platform_device *pdev)
spin_lock_init(&msmfb->update_lock);
mutex_init(&msmfb->panel_init_lock);
init_waitqueue_head(&msmfb->frame_wq);
- msmfb->resume_workqueue = create_workqueue("panel_on");
- if (msmfb->resume_workqueue == NULL) {
- printk(KERN_ERR "failed to create panel_on workqueue\n");
- ret = -ENOMEM;
- goto error_create_workqueue;
- }
INIT_WORK(&msmfb->resume_work, power_on_panel);
msmfb->black = kzalloc(msmfb->fb->var.bits_per_pixel*msmfb->xres,
GFP_KERNEL);
@@ -589,8 +594,6 @@ static int msmfb_probe(struct platform_device *pdev)
return 0;
error_register_framebuffer:
- destroy_workqueue(msmfb->resume_workqueue);
-error_create_workqueue:
iounmap(fb->screen_base);
error_setup_fbmem:
framebuffer_release(msmfb->fb);