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-rw-r--r--Documentation/spi/pxa2xx4
-rw-r--r--arch/arm/mach-pxa/cm-x255.c2
-rw-r--r--arch/arm/mach-pxa/cm-x270.c2
-rw-r--r--arch/arm/mach-pxa/corgi.c2
-rw-r--r--arch/arm/mach-pxa/devices.c2
-rw-r--r--arch/arm/mach-pxa/em-x270.c2
-rw-r--r--arch/arm/mach-pxa/hx4700.c2
-rw-r--r--arch/arm/mach-pxa/icontrol.c2
-rw-r--r--arch/arm/mach-pxa/include/mach/pxa2xx_spi.h47
-rw-r--r--arch/arm/mach-pxa/littleton.c2
-rw-r--r--arch/arm/mach-pxa/lubbock.c2
-rw-r--r--arch/arm/mach-pxa/pcm027.c2
-rw-r--r--arch/arm/mach-pxa/poodle.c2
-rw-r--r--arch/arm/mach-pxa/spitz.c3
-rw-r--r--arch/arm/mach-pxa/stargate2.c2
-rw-r--r--arch/arm/mach-pxa/tosa.c2
-rw-r--r--arch/arm/mach-pxa/trizeps4.c1
-rw-r--r--arch/arm/mach-pxa/z2.c2
-rw-r--r--arch/arm/mach-pxa/zeus.c2
-rw-r--r--arch/arm/plat-pxa/ssp.c2
-rw-r--r--drivers/spi/Kconfig13
-rw-r--r--drivers/spi/Makefile1
-rw-r--r--drivers/spi/pxa2xx_spi.c190
-rw-r--r--drivers/spi/pxa2xx_spi_pci.c201
-rw-r--r--include/linux/pxa2xx_ssp.h (renamed from arch/arm/plat-pxa/include/plat/ssp.h)39
-rw-r--r--include/linux/spi/pxa2xx_spi.h152
-rw-r--r--sound/soc/pxa/pxa-ssp.c2
27 files changed, 547 insertions, 138 deletions
diff --git a/Documentation/spi/pxa2xx b/Documentation/spi/pxa2xx
index 6bb916d57c95..68a4fe3818a1 100644
--- a/Documentation/spi/pxa2xx
+++ b/Documentation/spi/pxa2xx
@@ -19,7 +19,7 @@ Declaring PXA2xx Master Controllers
19----------------------------------- 19-----------------------------------
20Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a 20Typically a SPI master is defined in the arch/.../mach-*/board-*.c as a
21"platform device". The master configuration is passed to the driver via a table 21"platform device". The master configuration is passed to the driver via a table
22found in arch/arm/mach-pxa/include/mach/pxa2xx_spi.h: 22found in include/linux/spi/pxa2xx_spi.h:
23 23
24struct pxa2xx_spi_master { 24struct pxa2xx_spi_master {
25 enum pxa_ssp_type ssp_type; 25 enum pxa_ssp_type ssp_type;
@@ -94,7 +94,7 @@ using the "spi_board_info" structure found in "linux/spi/spi.h". See
94 94
95Each slave device attached to the PXA must provide slave specific configuration 95Each slave device attached to the PXA must provide slave specific configuration
96information via the structure "pxa2xx_spi_chip" found in 96information via the structure "pxa2xx_spi_chip" found in
97"arch/arm/mach-pxa/include/mach/pxa2xx_spi.h". The pxa2xx_spi master controller driver 97"include/linux/spi/pxa2xx_spi.h". The pxa2xx_spi master controller driver
98will uses the configuration whenever the driver communicates with the slave 98will uses the configuration whenever the driver communicates with the slave
99device. All fields are optional. 99device. All fields are optional.
100 100
diff --git a/arch/arm/mach-pxa/cm-x255.c b/arch/arm/mach-pxa/cm-x255.c
index f1a7703d771b..93f59f877fc6 100644
--- a/arch/arm/mach-pxa/cm-x255.c
+++ b/arch/arm/mach-pxa/cm-x255.c
@@ -17,13 +17,13 @@
17#include <linux/mtd/nand-gpio.h> 17#include <linux/mtd/nand-gpio.h>
18 18
19#include <linux/spi/spi.h> 19#include <linux/spi/spi.h>
20#include <linux/spi/pxa2xx_spi.h>
20 21
21#include <asm/mach/arch.h> 22#include <asm/mach/arch.h>
22#include <asm/mach-types.h> 23#include <asm/mach-types.h>
23#include <asm/mach/map.h> 24#include <asm/mach/map.h>
24 25
25#include <mach/pxa25x.h> 26#include <mach/pxa25x.h>
26#include <mach/pxa2xx_spi.h>
27 27
28#include "generic.h" 28#include "generic.h"
29 29
diff --git a/arch/arm/mach-pxa/cm-x270.c b/arch/arm/mach-pxa/cm-x270.c
index a9926bb75922..b88d601a8090 100644
--- a/arch/arm/mach-pxa/cm-x270.c
+++ b/arch/arm/mach-pxa/cm-x270.c
@@ -19,12 +19,12 @@
19#include <video/mbxfb.h> 19#include <video/mbxfb.h>
20 20
21#include <linux/spi/spi.h> 21#include <linux/spi/spi.h>
22#include <linux/spi/pxa2xx_spi.h>
22#include <linux/spi/libertas_spi.h> 23#include <linux/spi/libertas_spi.h>
23 24
24#include <mach/pxa27x.h> 25#include <mach/pxa27x.h>
25#include <mach/ohci.h> 26#include <mach/ohci.h>
26#include <mach/mmc.h> 27#include <mach/mmc.h>
27#include <mach/pxa2xx_spi.h>
28 28
29#include "generic.h" 29#include "generic.h"
30 30
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 821229acabe6..3b8dcac2b8fb 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -28,6 +28,7 @@
28#include <linux/spi/spi.h> 28#include <linux/spi/spi.h>
29#include <linux/spi/ads7846.h> 29#include <linux/spi/ads7846.h>
30#include <linux/spi/corgi_lcd.h> 30#include <linux/spi/corgi_lcd.h>
31#include <linux/spi/pxa2xx_spi.h>
31#include <linux/mtd/sharpsl.h> 32#include <linux/mtd/sharpsl.h>
32#include <linux/input/matrix_keypad.h> 33#include <linux/input/matrix_keypad.h>
33#include <video/w100fb.h> 34#include <video/w100fb.h>
@@ -48,7 +49,6 @@
48#include <mach/irda.h> 49#include <mach/irda.h>
49#include <mach/mmc.h> 50#include <mach/mmc.h>
50#include <mach/udc.h> 51#include <mach/udc.h>
51#include <mach/pxa2xx_spi.h>
52#include <mach/corgi.h> 52#include <mach/corgi.h>
53#include <mach/sharpsl_pm.h> 53#include <mach/sharpsl_pm.h>
54 54
diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index aaa1166df964..c4f9c715be73 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/arch/arm/mach-pxa/devices.c
@@ -3,6 +3,7 @@
3#include <linux/init.h> 3#include <linux/init.h>
4#include <linux/platform_device.h> 4#include <linux/platform_device.h>
5#include <linux/dma-mapping.h> 5#include <linux/dma-mapping.h>
6#include <linux/spi/pxa2xx_spi.h>
6 7
7#include <asm/pmu.h> 8#include <asm/pmu.h>
8#include <mach/udc.h> 9#include <mach/udc.h>
@@ -12,7 +13,6 @@
12#include <mach/irda.h> 13#include <mach/irda.h>
13#include <mach/ohci.h> 14#include <mach/ohci.h>
14#include <plat/pxa27x_keypad.h> 15#include <plat/pxa27x_keypad.h>
15#include <mach/pxa2xx_spi.h>
16#include <mach/camera.h> 16#include <mach/camera.h>
17#include <mach/audio.h> 17#include <mach/audio.h>
18#include <mach/hardware.h> 18#include <mach/hardware.h>
diff --git a/arch/arm/mach-pxa/em-x270.c b/arch/arm/mach-pxa/em-x270.c
index ed0dbfdb22ed..b20b944c337c 100644
--- a/arch/arm/mach-pxa/em-x270.c
+++ b/arch/arm/mach-pxa/em-x270.c
@@ -26,6 +26,7 @@
26#include <linux/spi/spi.h> 26#include <linux/spi/spi.h>
27#include <linux/spi/tdo24m.h> 27#include <linux/spi/tdo24m.h>
28#include <linux/spi/libertas_spi.h> 28#include <linux/spi/libertas_spi.h>
29#include <linux/spi/pxa2xx_spi.h>
29#include <linux/power_supply.h> 30#include <linux/power_supply.h>
30#include <linux/apm-emulation.h> 31#include <linux/apm-emulation.h>
31#include <linux/i2c.h> 32#include <linux/i2c.h>
@@ -46,7 +47,6 @@
46#include <plat/pxa27x_keypad.h> 47#include <plat/pxa27x_keypad.h>
47#include <plat/i2c.h> 48#include <plat/i2c.h>
48#include <mach/camera.h> 49#include <mach/camera.h>
49#include <mach/pxa2xx_spi.h>
50 50
51#include "generic.h" 51#include "generic.h"
52#include "devices.h" 52#include "devices.h"
diff --git a/arch/arm/mach-pxa/hx4700.c b/arch/arm/mach-pxa/hx4700.c
index 76d93a25bab6..f09526f52152 100644
--- a/arch/arm/mach-pxa/hx4700.c
+++ b/arch/arm/mach-pxa/hx4700.c
@@ -33,6 +33,7 @@
33#include <linux/regulator/max1586.h> 33#include <linux/regulator/max1586.h>
34#include <linux/spi/ads7846.h> 34#include <linux/spi/ads7846.h>
35#include <linux/spi/spi.h> 35#include <linux/spi/spi.h>
36#include <linux/spi/pxa2xx_spi.h>
36#include <linux/usb/gpio_vbus.h> 37#include <linux/usb/gpio_vbus.h>
37 38
38#include <mach/hardware.h> 39#include <mach/hardware.h>
@@ -43,7 +44,6 @@
43#include <mach/hx4700.h> 44#include <mach/hx4700.h>
44#include <plat/i2c.h> 45#include <plat/i2c.h>
45#include <mach/irda.h> 46#include <mach/irda.h>
46#include <mach/pxa2xx_spi.h>
47 47
48#include <video/platform_lcd.h> 48#include <video/platform_lcd.h>
49#include <video/w100fb.h> 49#include <video/w100fb.h>
diff --git a/arch/arm/mach-pxa/icontrol.c b/arch/arm/mach-pxa/icontrol.c
index d51ee3d25e70..3ab6fd369584 100644
--- a/arch/arm/mach-pxa/icontrol.c
+++ b/arch/arm/mach-pxa/icontrol.c
@@ -24,7 +24,7 @@
24#include <mach/mxm8x10.h> 24#include <mach/mxm8x10.h>
25 25
26#include <linux/spi/spi.h> 26#include <linux/spi/spi.h>
27#include <mach/pxa2xx_spi.h> 27#include <linux/spi/pxa2xx_spi.h>
28#include <linux/can/platform/mcp251x.h> 28#include <linux/can/platform/mcp251x.h>
29 29
30#include "generic.h" 30#include "generic.h"
diff --git a/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h b/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h
deleted file mode 100644
index b87cecd9bbdc..000000000000
--- a/arch/arm/mach-pxa/include/mach/pxa2xx_spi.h
+++ /dev/null
@@ -1,47 +0,0 @@
1/*
2 * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18
19#ifndef PXA2XX_SPI_H_
20#define PXA2XX_SPI_H_
21
22#define PXA2XX_CS_ASSERT (0x01)
23#define PXA2XX_CS_DEASSERT (0x02)
24
25/* device.platform_data for SSP controller devices */
26struct pxa2xx_spi_master {
27 u32 clock_enable;
28 u16 num_chipselect;
29 u8 enable_dma;
30};
31
32/* spi_board_info.controller_data for SPI slave devices,
33 * copied to spi_device.platform_data ... mostly for dma tuning
34 */
35struct pxa2xx_spi_chip {
36 u8 tx_threshold;
37 u8 rx_threshold;
38 u8 dma_burst_size;
39 u32 timeout;
40 u8 enable_loopback;
41 int gpio_cs;
42 void (*cs_control)(u32 command);
43};
44
45extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
46
47#endif /*PXA2XX_SPI_H_*/
diff --git a/arch/arm/mach-pxa/littleton.c b/arch/arm/mach-pxa/littleton.c
index 41aa89e35772..8051925d457c 100644
--- a/arch/arm/mach-pxa/littleton.c
+++ b/arch/arm/mach-pxa/littleton.c
@@ -22,6 +22,7 @@
22#include <linux/clk.h> 22#include <linux/clk.h>
23#include <linux/gpio.h> 23#include <linux/gpio.h>
24#include <linux/spi/spi.h> 24#include <linux/spi/spi.h>
25#include <linux/spi/pxa2xx_spi.h>
25#include <linux/smc91x.h> 26#include <linux/smc91x.h>
26#include <linux/i2c.h> 27#include <linux/i2c.h>
27#include <linux/leds.h> 28#include <linux/leds.h>
@@ -42,7 +43,6 @@
42#include <mach/pxa300.h> 43#include <mach/pxa300.h>
43#include <mach/pxafb.h> 44#include <mach/pxafb.h>
44#include <mach/mmc.h> 45#include <mach/mmc.h>
45#include <mach/pxa2xx_spi.h>
46#include <plat/pxa27x_keypad.h> 46#include <plat/pxa27x_keypad.h>
47#include <mach/littleton.h> 47#include <mach/littleton.h>
48#include <plat/i2c.h> 48#include <plat/i2c.h>
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 1499493cd070..4a3fe450c20f 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -25,7 +25,7 @@
25 25
26#include <linux/spi/spi.h> 26#include <linux/spi/spi.h>
27#include <linux/spi/ads7846.h> 27#include <linux/spi/ads7846.h>
28#include <mach/pxa2xx_spi.h> 28#include <linux/spi/pxa2xx_spi.h>
29 29
30#include <asm/setup.h> 30#include <asm/setup.h>
31#include <asm/memory.h> 31#include <asm/memory.h>
diff --git a/arch/arm/mach-pxa/pcm027.c b/arch/arm/mach-pxa/pcm027.c
index c77e8f30a439..a5596f9b17bc 100644
--- a/arch/arm/mach-pxa/pcm027.c
+++ b/arch/arm/mach-pxa/pcm027.c
@@ -25,12 +25,12 @@
25#include <linux/mtd/physmap.h> 25#include <linux/mtd/physmap.h>
26#include <linux/spi/spi.h> 26#include <linux/spi/spi.h>
27#include <linux/spi/max7301.h> 27#include <linux/spi/max7301.h>
28#include <linux/spi/pxa2xx_spi.h>
28#include <linux/leds.h> 29#include <linux/leds.h>
29 30
30#include <asm/mach-types.h> 31#include <asm/mach-types.h>
31#include <asm/mach/arch.h> 32#include <asm/mach/arch.h>
32#include <mach/pxa27x.h> 33#include <mach/pxa27x.h>
33#include <mach/pxa2xx_spi.h>
34#include <mach/pcm027.h> 34#include <mach/pcm027.h>
35#include "generic.h" 35#include "generic.h"
36 36
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 93a191c889df..c05eee326234 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -25,6 +25,7 @@
25#include <linux/i2c.h> 25#include <linux/i2c.h>
26#include <linux/spi/spi.h> 26#include <linux/spi/spi.h>
27#include <linux/spi/ads7846.h> 27#include <linux/spi/ads7846.h>
28#include <linux/spi/pxa2xx_spi.h>
28#include <linux/mtd/sharpsl.h> 29#include <linux/mtd/sharpsl.h>
29 30
30#include <mach/hardware.h> 31#include <mach/hardware.h>
@@ -43,7 +44,6 @@
43#include <mach/irda.h> 44#include <mach/irda.h>
44#include <mach/poodle.h> 45#include <mach/poodle.h>
45#include <mach/pxafb.h> 46#include <mach/pxafb.h>
46#include <mach/pxa2xx_spi.h>
47#include <plat/i2c.h> 47#include <plat/i2c.h>
48 48
49#include <asm/hardware/scoop.h> 49#include <asm/hardware/scoop.h>
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index f736119f1ebf..4fd5572f6995 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -23,7 +23,7 @@
23#include <linux/spi/spi.h> 23#include <linux/spi/spi.h>
24#include <linux/spi/ads7846.h> 24#include <linux/spi/ads7846.h>
25#include <linux/spi/corgi_lcd.h> 25#include <linux/spi/corgi_lcd.h>
26#include <linux/mtd/physmap.h> 26#include <linux/spi/pxa2xx_spi.h>
27#include <linux/mtd/sharpsl.h> 27#include <linux/mtd/sharpsl.h>
28#include <linux/input/matrix_keypad.h> 28#include <linux/input/matrix_keypad.h>
29#include <linux/regulator/machine.h> 29#include <linux/regulator/machine.h>
@@ -41,7 +41,6 @@
41#include <mach/mmc.h> 41#include <mach/mmc.h>
42#include <mach/ohci.h> 42#include <mach/ohci.h>
43#include <mach/pxafb.h> 43#include <mach/pxafb.h>
44#include <mach/pxa2xx_spi.h>
45#include <mach/spitz.h> 44#include <mach/spitz.h>
46#include <mach/sharpsl_pm.h> 45#include <mach/sharpsl_pm.h>
47 46
diff --git a/arch/arm/mach-pxa/stargate2.c b/arch/arm/mach-pxa/stargate2.c
index 738adc1773fd..325f6ac6b591 100644
--- a/arch/arm/mach-pxa/stargate2.c
+++ b/arch/arm/mach-pxa/stargate2.c
@@ -46,10 +46,10 @@
46#include <plat/i2c.h> 46#include <plat/i2c.h>
47#include <mach/mmc.h> 47#include <mach/mmc.h>
48#include <mach/udc.h> 48#include <mach/udc.h>
49#include <mach/pxa2xx_spi.h>
50#include <mach/pxa27x-udc.h> 49#include <mach/pxa27x-udc.h>
51 50
52#include <linux/spi/spi.h> 51#include <linux/spi/spi.h>
52#include <linux/spi/pxa2xx_spi.h>
53#include <linux/mfd/da903x.h> 53#include <linux/mfd/da903x.h>
54#include <linux/sht15.h> 54#include <linux/sht15.h>
55 55
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index 0ee1df49606d..7b5765dacbd9 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -32,6 +32,7 @@
32#include <linux/gpio.h> 32#include <linux/gpio.h>
33#include <linux/pda_power.h> 33#include <linux/pda_power.h>
34#include <linux/spi/spi.h> 34#include <linux/spi/spi.h>
35#include <linux/spi/pxa2xx_spi.h>
35#include <linux/input/matrix_keypad.h> 36#include <linux/input/matrix_keypad.h>
36 37
37#include <asm/setup.h> 38#include <asm/setup.h>
@@ -44,7 +45,6 @@
44#include <mach/mmc.h> 45#include <mach/mmc.h>
45#include <mach/udc.h> 46#include <mach/udc.h>
46#include <mach/tosa_bt.h> 47#include <mach/tosa_bt.h>
47#include <mach/pxa2xx_spi.h>
48#include <mach/audio.h> 48#include <mach/audio.h>
49 49
50#include <asm/mach/arch.h> 50#include <asm/mach/arch.h>
diff --git a/arch/arm/mach-pxa/trizeps4.c b/arch/arm/mach-pxa/trizeps4.c
index 565d062f51d5..bdb02a0ae1b7 100644
--- a/arch/arm/mach-pxa/trizeps4.c
+++ b/arch/arm/mach-pxa/trizeps4.c
@@ -40,7 +40,6 @@
40#include <asm/mach/flash.h> 40#include <asm/mach/flash.h>
41 41
42#include <mach/pxa27x.h> 42#include <mach/pxa27x.h>
43#include <mach/pxa2xx_spi.h>
44#include <mach/trizeps4.h> 43#include <mach/trizeps4.h>
45#include <mach/audio.h> 44#include <mach/audio.h>
46#include <mach/pxafb.h> 45#include <mach/pxafb.h>
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c
index fefde9848d82..1b8b71b3c719 100644
--- a/arch/arm/mach-pxa/z2.c
+++ b/arch/arm/mach-pxa/z2.c
@@ -20,6 +20,7 @@
20#include <linux/z2_battery.h> 20#include <linux/z2_battery.h>
21#include <linux/dma-mapping.h> 21#include <linux/dma-mapping.h>
22#include <linux/spi/spi.h> 22#include <linux/spi/spi.h>
23#include <linux/spi/pxa2xx_spi.h>
23#include <linux/spi/libertas_spi.h> 24#include <linux/spi/libertas_spi.h>
24#include <linux/spi/lms283gf05.h> 25#include <linux/spi/lms283gf05.h>
25#include <linux/power_supply.h> 26#include <linux/power_supply.h>
@@ -38,7 +39,6 @@
38#include <mach/pxafb.h> 39#include <mach/pxafb.h>
39#include <mach/mmc.h> 40#include <mach/mmc.h>
40#include <plat/pxa27x_keypad.h> 41#include <plat/pxa27x_keypad.h>
41#include <mach/pxa2xx_spi.h>
42 42
43#include <plat/i2c.h> 43#include <plat/i2c.h>
44 44
diff --git a/arch/arm/mach-pxa/zeus.c b/arch/arm/mach-pxa/zeus.c
index dea46a2d089b..f5c9f3032c31 100644
--- a/arch/arm/mach-pxa/zeus.c
+++ b/arch/arm/mach-pxa/zeus.c
@@ -20,6 +20,7 @@
20#include <linux/dm9000.h> 20#include <linux/dm9000.h>
21#include <linux/mmc/host.h> 21#include <linux/mmc/host.h>
22#include <linux/spi/spi.h> 22#include <linux/spi/spi.h>
23#include <linux/spi/pxa2xx_spi.h>
23#include <linux/mtd/mtd.h> 24#include <linux/mtd/mtd.h>
24#include <linux/mtd/partitions.h> 25#include <linux/mtd/partitions.h>
25#include <linux/mtd/physmap.h> 26#include <linux/mtd/physmap.h>
@@ -41,7 +42,6 @@
41#include <mach/pxa27x-udc.h> 42#include <mach/pxa27x-udc.h>
42#include <mach/udc.h> 43#include <mach/udc.h>
43#include <mach/pxafb.h> 44#include <mach/pxafb.h>
44#include <mach/pxa2xx_spi.h>
45#include <mach/mfp-pxa27x.h> 45#include <mach/mfp-pxa27x.h>
46#include <mach/pm.h> 46#include <mach/pm.h>
47#include <mach/audio.h> 47#include <mach/audio.h>
diff --git a/arch/arm/plat-pxa/ssp.c b/arch/arm/plat-pxa/ssp.c
index c6357e554aba..58b79809d20c 100644
--- a/arch/arm/plat-pxa/ssp.c
+++ b/arch/arm/plat-pxa/ssp.c
@@ -28,11 +28,11 @@
28#include <linux/clk.h> 28#include <linux/clk.h>
29#include <linux/err.h> 29#include <linux/err.h>
30#include <linux/platform_device.h> 30#include <linux/platform_device.h>
31#include <linux/spi/pxa2xx_spi.h>
31#include <linux/io.h> 32#include <linux/io.h>
32 33
33#include <asm/irq.h> 34#include <asm/irq.h>
34#include <mach/hardware.h> 35#include <mach/hardware.h>
35#include <plat/ssp.h>
36 36
37static DEFINE_MUTEX(ssp_lock); 37static DEFINE_MUTEX(ssp_lock);
38static LIST_HEAD(ssp_list); 38static LIST_HEAD(ssp_list);
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index 6efac5fd439d..1906840c1113 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -270,12 +270,15 @@ config SPI_PPC4xx
270 270
271config SPI_PXA2XX 271config SPI_PXA2XX
272 tristate "PXA2xx SSP SPI master" 272 tristate "PXA2xx SSP SPI master"
273 depends on ARCH_PXA && EXPERIMENTAL 273 depends on (ARCH_PXA || (X86_32 && PCI)) && EXPERIMENTAL
274 select PXA_SSP 274 select PXA_SSP if ARCH_PXA
275 help 275 help
276 This enables using a PXA2xx SSP port as a SPI master controller. 276 This enables using a PXA2xx or Sodaville SSP port as a SPI master
277 The driver can be configured to use any SSP port and additional 277 controller. The driver can be configured to use any SSP port and
278 documentation can be found a Documentation/spi/pxa2xx. 278 additional documentation can be found a Documentation/spi/pxa2xx.
279
280config SPI_PXA2XX_PCI
281 def_bool SPI_PXA2XX && X86_32 && PCI
279 282
280config SPI_S3C24XX 283config SPI_S3C24XX
281 tristate "Samsung S3C24XX series SPI" 284 tristate "Samsung S3C24XX series SPI"
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index 7ec375b6c0c3..3a42463c92a4 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_SPI_GPIO) += spi_gpio.o
25obj-$(CONFIG_SPI_IMX) += spi_imx.o 25obj-$(CONFIG_SPI_IMX) += spi_imx.o
26obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o 26obj-$(CONFIG_SPI_LM70_LLP) += spi_lm70llp.o
27obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o 27obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o
28obj-$(CONFIG_SPI_PXA2XX_PCI) += pxa2xx_spi_pci.o
28obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o 29obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o
29obj-$(CONFIG_SPI_OMAP24XX) += omap2_mcspi.o 30obj-$(CONFIG_SPI_OMAP24XX) += omap2_mcspi.o
30obj-$(CONFIG_SPI_OMAP_100K) += omap_spi_100k.o 31obj-$(CONFIG_SPI_OMAP_100K) += omap_spi_100k.o
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index e76b1afafe07..95928833855b 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -23,11 +23,11 @@
23#include <linux/errno.h> 23#include <linux/errno.h>
24#include <linux/interrupt.h> 24#include <linux/interrupt.h>
25#include <linux/platform_device.h> 25#include <linux/platform_device.h>
26#include <linux/spi/pxa2xx_spi.h>
26#include <linux/dma-mapping.h> 27#include <linux/dma-mapping.h>
27#include <linux/spi/spi.h> 28#include <linux/spi/spi.h>
28#include <linux/workqueue.h> 29#include <linux/workqueue.h>
29#include <linux/delay.h> 30#include <linux/delay.h>
30#include <linux/clk.h>
31#include <linux/gpio.h> 31#include <linux/gpio.h>
32#include <linux/slab.h> 32#include <linux/slab.h>
33 33
@@ -35,9 +35,6 @@
35#include <asm/irq.h> 35#include <asm/irq.h>
36#include <asm/delay.h> 36#include <asm/delay.h>
37 37
38#include <mach/dma.h>
39#include <plat/ssp.h>
40#include <mach/pxa2xx_spi.h>
41 38
42MODULE_AUTHOR("Stephen Street"); 39MODULE_AUTHOR("Stephen Street");
43MODULE_DESCRIPTION("PXA2xx SSP SPI Controller"); 40MODULE_DESCRIPTION("PXA2xx SSP SPI Controller");
@@ -46,8 +43,6 @@ MODULE_ALIAS("platform:pxa2xx-spi");
46 43
47#define MAX_BUSES 3 44#define MAX_BUSES 3
48 45
49#define RX_THRESH_DFLT 8
50#define TX_THRESH_DFLT 8
51#define TIMOUT_DFLT 1000 46#define TIMOUT_DFLT 1000
52 47
53#define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR) 48#define DMA_INT_MASK (DCSR_ENDINTR | DCSR_STARTINTR | DCSR_BUSERR)
@@ -168,7 +163,10 @@ struct chip_data {
168 u8 enable_dma; 163 u8 enable_dma;
169 u8 bits_per_word; 164 u8 bits_per_word;
170 u32 speed_hz; 165 u32 speed_hz;
171 int gpio_cs; 166 union {
167 int gpio_cs;
168 unsigned int frm;
169 };
172 int gpio_cs_inverted; 170 int gpio_cs_inverted;
173 int (*write)(struct driver_data *drv_data); 171 int (*write)(struct driver_data *drv_data);
174 int (*read)(struct driver_data *drv_data); 172 int (*read)(struct driver_data *drv_data);
@@ -181,6 +179,11 @@ static void cs_assert(struct driver_data *drv_data)
181{ 179{
182 struct chip_data *chip = drv_data->cur_chip; 180 struct chip_data *chip = drv_data->cur_chip;
183 181
182 if (drv_data->ssp_type == CE4100_SSP) {
183 write_SSSR(drv_data->cur_chip->frm, drv_data->ioaddr);
184 return;
185 }
186
184 if (chip->cs_control) { 187 if (chip->cs_control) {
185 chip->cs_control(PXA2XX_CS_ASSERT); 188 chip->cs_control(PXA2XX_CS_ASSERT);
186 return; 189 return;
@@ -194,6 +197,9 @@ static void cs_deassert(struct driver_data *drv_data)
194{ 197{
195 struct chip_data *chip = drv_data->cur_chip; 198 struct chip_data *chip = drv_data->cur_chip;
196 199
200 if (drv_data->ssp_type == CE4100_SSP)
201 return;
202
197 if (chip->cs_control) { 203 if (chip->cs_control) {
198 chip->cs_control(PXA2XX_CS_DEASSERT); 204 chip->cs_control(PXA2XX_CS_DEASSERT);
199 return; 205 return;
@@ -203,6 +209,25 @@ static void cs_deassert(struct driver_data *drv_data)
203 gpio_set_value(chip->gpio_cs, !chip->gpio_cs_inverted); 209 gpio_set_value(chip->gpio_cs, !chip->gpio_cs_inverted);
204} 210}
205 211
212static void write_SSSR_CS(struct driver_data *drv_data, u32 val)
213{
214 void __iomem *reg = drv_data->ioaddr;
215
216 if (drv_data->ssp_type == CE4100_SSP)
217 val |= read_SSSR(reg) & SSSR_ALT_FRM_MASK;
218
219 write_SSSR(val, reg);
220}
221
222static int pxa25x_ssp_comp(struct driver_data *drv_data)
223{
224 if (drv_data->ssp_type == PXA25x_SSP)
225 return 1;
226 if (drv_data->ssp_type == CE4100_SSP)
227 return 1;
228 return 0;
229}
230
206static int flush(struct driver_data *drv_data) 231static int flush(struct driver_data *drv_data)
207{ 232{
208 unsigned long limit = loops_per_jiffy << 1; 233 unsigned long limit = loops_per_jiffy << 1;
@@ -214,7 +239,7 @@ static int flush(struct driver_data *drv_data)
214 read_SSDR(reg); 239 read_SSDR(reg);
215 } 240 }
216 } while ((read_SSSR(reg) & SSSR_BSY) && --limit); 241 } while ((read_SSSR(reg) & SSSR_BSY) && --limit);
217 write_SSSR(SSSR_ROR, reg); 242 write_SSSR_CS(drv_data, SSSR_ROR);
218 243
219 return limit; 244 return limit;
220} 245}
@@ -224,7 +249,7 @@ static int null_writer(struct driver_data *drv_data)
224 void __iomem *reg = drv_data->ioaddr; 249 void __iomem *reg = drv_data->ioaddr;
225 u8 n_bytes = drv_data->n_bytes; 250 u8 n_bytes = drv_data->n_bytes;
226 251
227 if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) 252 if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK)
228 || (drv_data->tx == drv_data->tx_end)) 253 || (drv_data->tx == drv_data->tx_end))
229 return 0; 254 return 0;
230 255
@@ -252,7 +277,7 @@ static int u8_writer(struct driver_data *drv_data)
252{ 277{
253 void __iomem *reg = drv_data->ioaddr; 278 void __iomem *reg = drv_data->ioaddr;
254 279
255 if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) 280 if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK)
256 || (drv_data->tx == drv_data->tx_end)) 281 || (drv_data->tx == drv_data->tx_end))
257 return 0; 282 return 0;
258 283
@@ -279,7 +304,7 @@ static int u16_writer(struct driver_data *drv_data)
279{ 304{
280 void __iomem *reg = drv_data->ioaddr; 305 void __iomem *reg = drv_data->ioaddr;
281 306
282 if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) 307 if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK)
283 || (drv_data->tx == drv_data->tx_end)) 308 || (drv_data->tx == drv_data->tx_end))
284 return 0; 309 return 0;
285 310
@@ -306,7 +331,7 @@ static int u32_writer(struct driver_data *drv_data)
306{ 331{
307 void __iomem *reg = drv_data->ioaddr; 332 void __iomem *reg = drv_data->ioaddr;
308 333
309 if (((read_SSSR(reg) & 0x00000f00) == 0x00000f00) 334 if (((read_SSSR(reg) & SSSR_TFL_MASK) == SSSR_TFL_MASK)
310 || (drv_data->tx == drv_data->tx_end)) 335 || (drv_data->tx == drv_data->tx_end))
311 return 0; 336 return 0;
312 337
@@ -507,9 +532,9 @@ static void dma_error_stop(struct driver_data *drv_data, const char *msg)
507 /* Stop and reset */ 532 /* Stop and reset */
508 DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; 533 DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
509 DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; 534 DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
510 write_SSSR(drv_data->clear_sr, reg); 535 write_SSSR_CS(drv_data, drv_data->clear_sr);
511 write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); 536 write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
512 if (drv_data->ssp_type != PXA25x_SSP) 537 if (!pxa25x_ssp_comp(drv_data))
513 write_SSTO(0, reg); 538 write_SSTO(0, reg);
514 flush(drv_data); 539 flush(drv_data);
515 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); 540 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg);
@@ -529,7 +554,7 @@ static void dma_transfer_complete(struct driver_data *drv_data)
529 554
530 /* Clear and disable interrupts on SSP and DMA channels*/ 555 /* Clear and disable interrupts on SSP and DMA channels*/
531 write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg); 556 write_SSCR1(read_SSCR1(reg) & ~drv_data->dma_cr1, reg);
532 write_SSSR(drv_data->clear_sr, reg); 557 write_SSSR_CS(drv_data, drv_data->clear_sr);
533 DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL; 558 DCSR(drv_data->tx_channel) = RESET_DMA_CHANNEL;
534 DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL; 559 DCSR(drv_data->rx_channel) = RESET_DMA_CHANNEL;
535 560
@@ -622,7 +647,7 @@ static irqreturn_t dma_transfer(struct driver_data *drv_data)
622 647
623 /* Clear and disable timeout interrupt, do the rest in 648 /* Clear and disable timeout interrupt, do the rest in
624 * dma_transfer_complete */ 649 * dma_transfer_complete */
625 if (drv_data->ssp_type != PXA25x_SSP) 650 if (!pxa25x_ssp_comp(drv_data))
626 write_SSTO(0, reg); 651 write_SSTO(0, reg);
627 652
628 /* finish this transfer, start the next */ 653 /* finish this transfer, start the next */
@@ -635,14 +660,26 @@ static irqreturn_t dma_transfer(struct driver_data *drv_data)
635 return IRQ_NONE; 660 return IRQ_NONE;
636} 661}
637 662
663static void reset_sccr1(struct driver_data *drv_data)
664{
665 void __iomem *reg = drv_data->ioaddr;
666 struct chip_data *chip = drv_data->cur_chip;
667 u32 sccr1_reg;
668
669 sccr1_reg = read_SSCR1(reg) & ~drv_data->int_cr1;
670 sccr1_reg &= ~SSCR1_RFT;
671 sccr1_reg |= chip->threshold;
672 write_SSCR1(sccr1_reg, reg);
673}
674
638static void int_error_stop(struct driver_data *drv_data, const char* msg) 675static void int_error_stop(struct driver_data *drv_data, const char* msg)
639{ 676{
640 void __iomem *reg = drv_data->ioaddr; 677 void __iomem *reg = drv_data->ioaddr;
641 678
642 /* Stop and reset SSP */ 679 /* Stop and reset SSP */
643 write_SSSR(drv_data->clear_sr, reg); 680 write_SSSR_CS(drv_data, drv_data->clear_sr);
644 write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); 681 reset_sccr1(drv_data);
645 if (drv_data->ssp_type != PXA25x_SSP) 682 if (!pxa25x_ssp_comp(drv_data))
646 write_SSTO(0, reg); 683 write_SSTO(0, reg);
647 flush(drv_data); 684 flush(drv_data);
648 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); 685 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg);
@@ -658,9 +695,9 @@ static void int_transfer_complete(struct driver_data *drv_data)
658 void __iomem *reg = drv_data->ioaddr; 695 void __iomem *reg = drv_data->ioaddr;
659 696
660 /* Stop SSP */ 697 /* Stop SSP */
661 write_SSSR(drv_data->clear_sr, reg); 698 write_SSSR_CS(drv_data, drv_data->clear_sr);
662 write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); 699 reset_sccr1(drv_data);
663 if (drv_data->ssp_type != PXA25x_SSP) 700 if (!pxa25x_ssp_comp(drv_data))
664 write_SSTO(0, reg); 701 write_SSTO(0, reg);
665 702
666 /* Update total byte transfered return count actual bytes read */ 703 /* Update total byte transfered return count actual bytes read */
@@ -714,24 +751,34 @@ static irqreturn_t interrupt_transfer(struct driver_data *drv_data)
714 } 751 }
715 752
716 if (drv_data->tx == drv_data->tx_end) { 753 if (drv_data->tx == drv_data->tx_end) {
717 write_SSCR1(read_SSCR1(reg) & ~SSCR1_TIE, reg); 754 u32 bytes_left;
718 /* PXA25x_SSP has no timeout, read trailing bytes */ 755 u32 sccr1_reg;
719 if (drv_data->ssp_type == PXA25x_SSP) { 756
720 if (!wait_ssp_rx_stall(reg)) 757 sccr1_reg = read_SSCR1(reg);
721 { 758 sccr1_reg &= ~SSCR1_TIE;
722 int_error_stop(drv_data, "interrupt_transfer: " 759
723 "rx stall failed"); 760 /*
724 return IRQ_HANDLED; 761 * PXA25x_SSP has no timeout, set up rx threshould for the
725 } 762 * remaing RX bytes.
726 if (!drv_data->read(drv_data)) 763 */
727 { 764 if (pxa25x_ssp_comp(drv_data)) {
728 int_error_stop(drv_data, 765
729 "interrupt_transfer: " 766 sccr1_reg &= ~SSCR1_RFT;
730 "trailing byte read failed"); 767
731 return IRQ_HANDLED; 768 bytes_left = drv_data->rx_end - drv_data->rx;
769 switch (drv_data->n_bytes) {
770 case 4:
771 bytes_left >>= 1;
772 case 2:
773 bytes_left >>= 1;
732 } 774 }
733 int_transfer_complete(drv_data); 775
776 if (bytes_left > RX_THRESH_DFLT)
777 bytes_left = RX_THRESH_DFLT;
778
779 sccr1_reg |= SSCR1_RxTresh(bytes_left);
734 } 780 }
781 write_SSCR1(sccr1_reg, reg);
735 } 782 }
736 783
737 /* We did something */ 784 /* We did something */
@@ -742,14 +789,26 @@ static irqreturn_t ssp_int(int irq, void *dev_id)
742{ 789{
743 struct driver_data *drv_data = dev_id; 790 struct driver_data *drv_data = dev_id;
744 void __iomem *reg = drv_data->ioaddr; 791 void __iomem *reg = drv_data->ioaddr;
792 u32 sccr1_reg = read_SSCR1(reg);
793 u32 mask = drv_data->mask_sr;
794 u32 status;
795
796 status = read_SSSR(reg);
797
798 /* Ignore possible writes if we don't need to write */
799 if (!(sccr1_reg & SSCR1_TIE))
800 mask &= ~SSSR_TFS;
801
802 if (!(status & mask))
803 return IRQ_NONE;
745 804
746 if (!drv_data->cur_msg) { 805 if (!drv_data->cur_msg) {
747 806
748 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg); 807 write_SSCR0(read_SSCR0(reg) & ~SSCR0_SSE, reg);
749 write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg); 808 write_SSCR1(read_SSCR1(reg) & ~drv_data->int_cr1, reg);
750 if (drv_data->ssp_type != PXA25x_SSP) 809 if (!pxa25x_ssp_comp(drv_data))
751 write_SSTO(0, reg); 810 write_SSTO(0, reg);
752 write_SSSR(drv_data->clear_sr, reg); 811 write_SSSR_CS(drv_data, drv_data->clear_sr);
753 812
754 dev_err(&drv_data->pdev->dev, "bad message state " 813 dev_err(&drv_data->pdev->dev, "bad message state "
755 "in interrupt handler\n"); 814 "in interrupt handler\n");
@@ -862,7 +921,7 @@ static unsigned int ssp_get_clk_div(struct ssp_device *ssp, int rate)
862{ 921{
863 unsigned long ssp_clk = clk_get_rate(ssp->clk); 922 unsigned long ssp_clk = clk_get_rate(ssp->clk);
864 923
865 if (ssp->type == PXA25x_SSP) 924 if (ssp->type == PXA25x_SSP || ssp->type == CE4100_SSP)
866 return ((ssp_clk / (2 * rate) - 1) & 0xff) << 8; 925 return ((ssp_clk / (2 * rate) - 1) & 0xff) << 8;
867 else 926 else
868 return ((ssp_clk / rate - 1) & 0xfff) << 8; 927 return ((ssp_clk / rate - 1) & 0xfff) << 8;
@@ -1088,7 +1147,7 @@ static void pump_transfers(unsigned long data)
1088 1147
1089 /* Clear status */ 1148 /* Clear status */
1090 cr1 = chip->cr1 | chip->threshold | drv_data->int_cr1; 1149 cr1 = chip->cr1 | chip->threshold | drv_data->int_cr1;
1091 write_SSSR(drv_data->clear_sr, reg); 1150 write_SSSR_CS(drv_data, drv_data->clear_sr);
1092 } 1151 }
1093 1152
1094 /* see if we need to reload the config registers */ 1153 /* see if we need to reload the config registers */
@@ -1098,7 +1157,7 @@ static void pump_transfers(unsigned long data)
1098 1157
1099 /* stop the SSP, and update the other bits */ 1158 /* stop the SSP, and update the other bits */
1100 write_SSCR0(cr0 & ~SSCR0_SSE, reg); 1159 write_SSCR0(cr0 & ~SSCR0_SSE, reg);
1101 if (drv_data->ssp_type != PXA25x_SSP) 1160 if (!pxa25x_ssp_comp(drv_data))
1102 write_SSTO(chip->timeout, reg); 1161 write_SSTO(chip->timeout, reg);
1103 /* first set CR1 without interrupt and service enables */ 1162 /* first set CR1 without interrupt and service enables */
1104 write_SSCR1(cr1 & SSCR1_CHANGE_MASK, reg); 1163 write_SSCR1(cr1 & SSCR1_CHANGE_MASK, reg);
@@ -1106,7 +1165,7 @@ static void pump_transfers(unsigned long data)
1106 write_SSCR0(cr0, reg); 1165 write_SSCR0(cr0, reg);
1107 1166
1108 } else { 1167 } else {
1109 if (drv_data->ssp_type != PXA25x_SSP) 1168 if (!pxa25x_ssp_comp(drv_data))
1110 write_SSTO(chip->timeout, reg); 1169 write_SSTO(chip->timeout, reg);
1111 } 1170 }
1112 1171
@@ -1233,14 +1292,13 @@ static int setup(struct spi_device *spi)
1233 uint tx_thres = TX_THRESH_DFLT; 1292 uint tx_thres = TX_THRESH_DFLT;
1234 uint rx_thres = RX_THRESH_DFLT; 1293 uint rx_thres = RX_THRESH_DFLT;
1235 1294
1236 if (drv_data->ssp_type != PXA25x_SSP 1295 if (!pxa25x_ssp_comp(drv_data)
1237 && (spi->bits_per_word < 4 || spi->bits_per_word > 32)) { 1296 && (spi->bits_per_word < 4 || spi->bits_per_word > 32)) {
1238 dev_err(&spi->dev, "failed setup: ssp_type=%d, bits/wrd=%d " 1297 dev_err(&spi->dev, "failed setup: ssp_type=%d, bits/wrd=%d "
1239 "b/w not 4-32 for type non-PXA25x_SSP\n", 1298 "b/w not 4-32 for type non-PXA25x_SSP\n",
1240 drv_data->ssp_type, spi->bits_per_word); 1299 drv_data->ssp_type, spi->bits_per_word);
1241 return -EINVAL; 1300 return -EINVAL;
1242 } 1301 } else if (pxa25x_ssp_comp(drv_data)
1243 else if (drv_data->ssp_type == PXA25x_SSP
1244 && (spi->bits_per_word < 4 1302 && (spi->bits_per_word < 4
1245 || spi->bits_per_word > 16)) { 1303 || spi->bits_per_word > 16)) {
1246 dev_err(&spi->dev, "failed setup: ssp_type=%d, bits/wrd=%d " 1304 dev_err(&spi->dev, "failed setup: ssp_type=%d, bits/wrd=%d "
@@ -1259,7 +1317,17 @@ static int setup(struct spi_device *spi)
1259 return -ENOMEM; 1317 return -ENOMEM;
1260 } 1318 }
1261 1319
1262 chip->gpio_cs = -1; 1320 if (drv_data->ssp_type == CE4100_SSP) {
1321 if (spi->chip_select > 4) {
1322 dev_err(&spi->dev, "failed setup: "
1323 "cs number must not be > 4.\n");
1324 kfree(chip);
1325 return -EINVAL;
1326 }
1327
1328 chip->frm = spi->chip_select;
1329 } else
1330 chip->gpio_cs = -1;
1263 chip->enable_dma = 0; 1331 chip->enable_dma = 0;
1264 chip->timeout = TIMOUT_DFLT; 1332 chip->timeout = TIMOUT_DFLT;
1265 chip->dma_burst_size = drv_data->master_info->enable_dma ? 1333 chip->dma_burst_size = drv_data->master_info->enable_dma ?
@@ -1315,7 +1383,7 @@ static int setup(struct spi_device *spi)
1315 | (((spi->mode & SPI_CPOL) != 0) ? SSCR1_SPO : 0); 1383 | (((spi->mode & SPI_CPOL) != 0) ? SSCR1_SPO : 0);
1316 1384
1317 /* NOTE: PXA25x_SSP _could_ use external clocking ... */ 1385 /* NOTE: PXA25x_SSP _could_ use external clocking ... */
1318 if (drv_data->ssp_type != PXA25x_SSP) 1386 if (!pxa25x_ssp_comp(drv_data))
1319 dev_dbg(&spi->dev, "%ld Hz actual, %s\n", 1387 dev_dbg(&spi->dev, "%ld Hz actual, %s\n",
1320 clk_get_rate(ssp->clk) 1388 clk_get_rate(ssp->clk)
1321 / (1 + ((chip->cr0 & SSCR0_SCR(0xfff)) >> 8)), 1389 / (1 + ((chip->cr0 & SSCR0_SCR(0xfff)) >> 8)),
@@ -1350,23 +1418,27 @@ static int setup(struct spi_device *spi)
1350 1418
1351 spi_set_ctldata(spi, chip); 1419 spi_set_ctldata(spi, chip);
1352 1420
1421 if (drv_data->ssp_type == CE4100_SSP)
1422 return 0;
1423
1353 return setup_cs(spi, chip, chip_info); 1424 return setup_cs(spi, chip, chip_info);
1354} 1425}
1355 1426
1356static void cleanup(struct spi_device *spi) 1427static void cleanup(struct spi_device *spi)
1357{ 1428{
1358 struct chip_data *chip = spi_get_ctldata(spi); 1429 struct chip_data *chip = spi_get_ctldata(spi);
1430 struct driver_data *drv_data = spi_master_get_devdata(spi->master);
1359 1431
1360 if (!chip) 1432 if (!chip)
1361 return; 1433 return;
1362 1434
1363 if (gpio_is_valid(chip->gpio_cs)) 1435 if (drv_data->ssp_type != CE4100_SSP && gpio_is_valid(chip->gpio_cs))
1364 gpio_free(chip->gpio_cs); 1436 gpio_free(chip->gpio_cs);
1365 1437
1366 kfree(chip); 1438 kfree(chip);
1367} 1439}
1368 1440
1369static int __init init_queue(struct driver_data *drv_data) 1441static int __devinit init_queue(struct driver_data *drv_data)
1370{ 1442{
1371 INIT_LIST_HEAD(&drv_data->queue); 1443 INIT_LIST_HEAD(&drv_data->queue);
1372 spin_lock_init(&drv_data->lock); 1444 spin_lock_init(&drv_data->lock);
@@ -1454,7 +1526,7 @@ static int destroy_queue(struct driver_data *drv_data)
1454 return 0; 1526 return 0;
1455} 1527}
1456 1528
1457static int __init pxa2xx_spi_probe(struct platform_device *pdev) 1529static int __devinit pxa2xx_spi_probe(struct platform_device *pdev)
1458{ 1530{
1459 struct device *dev = &pdev->dev; 1531 struct device *dev = &pdev->dev;
1460 struct pxa2xx_spi_master *platform_info; 1532 struct pxa2xx_spi_master *platform_info;
@@ -1484,6 +1556,10 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
1484 drv_data->pdev = pdev; 1556 drv_data->pdev = pdev;
1485 drv_data->ssp = ssp; 1557 drv_data->ssp = ssp;
1486 1558
1559 master->dev.parent = &pdev->dev;
1560#ifdef CONFIG_OF
1561 master->dev.of_node = pdev->dev.of_node;
1562#endif
1487 /* the spi->mode bits understood by this driver: */ 1563 /* the spi->mode bits understood by this driver: */
1488 master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH; 1564 master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
1489 1565
@@ -1500,7 +1576,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
1500 1576
1501 drv_data->ioaddr = ssp->mmio_base; 1577 drv_data->ioaddr = ssp->mmio_base;
1502 drv_data->ssdr_physical = ssp->phys_base + SSDR; 1578 drv_data->ssdr_physical = ssp->phys_base + SSDR;
1503 if (ssp->type == PXA25x_SSP) { 1579 if (pxa25x_ssp_comp(drv_data)) {
1504 drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE; 1580 drv_data->int_cr1 = SSCR1_TIE | SSCR1_RIE;
1505 drv_data->dma_cr1 = 0; 1581 drv_data->dma_cr1 = 0;
1506 drv_data->clear_sr = SSSR_ROR; 1582 drv_data->clear_sr = SSSR_ROR;
@@ -1512,7 +1588,8 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
1512 drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS | SSSR_ROR; 1588 drv_data->mask_sr = SSSR_TINT | SSSR_RFS | SSSR_TFS | SSSR_ROR;
1513 } 1589 }
1514 1590
1515 status = request_irq(ssp->irq, ssp_int, 0, dev_name(dev), drv_data); 1591 status = request_irq(ssp->irq, ssp_int, IRQF_SHARED, dev_name(dev),
1592 drv_data);
1516 if (status < 0) { 1593 if (status < 0) {
1517 dev_err(&pdev->dev, "cannot get IRQ %d\n", ssp->irq); 1594 dev_err(&pdev->dev, "cannot get IRQ %d\n", ssp->irq);
1518 goto out_error_master_alloc; 1595 goto out_error_master_alloc;
@@ -1561,7 +1638,7 @@ static int __init pxa2xx_spi_probe(struct platform_device *pdev)
1561 | SSCR0_Motorola 1638 | SSCR0_Motorola
1562 | SSCR0_DataSize(8), 1639 | SSCR0_DataSize(8),
1563 drv_data->ioaddr); 1640 drv_data->ioaddr);
1564 if (drv_data->ssp_type != PXA25x_SSP) 1641 if (!pxa25x_ssp_comp(drv_data))
1565 write_SSTO(0, drv_data->ioaddr); 1642 write_SSTO(0, drv_data->ioaddr);
1566 write_SSPSP(0, drv_data->ioaddr); 1643 write_SSPSP(0, drv_data->ioaddr);
1567 1644
@@ -1723,13 +1800,14 @@ static struct platform_driver driver = {
1723 .pm = &pxa2xx_spi_pm_ops, 1800 .pm = &pxa2xx_spi_pm_ops,
1724#endif 1801#endif
1725 }, 1802 },
1803 .probe = pxa2xx_spi_probe,
1726 .remove = pxa2xx_spi_remove, 1804 .remove = pxa2xx_spi_remove,
1727 .shutdown = pxa2xx_spi_shutdown, 1805 .shutdown = pxa2xx_spi_shutdown,
1728}; 1806};
1729 1807
1730static int __init pxa2xx_spi_init(void) 1808static int __init pxa2xx_spi_init(void)
1731{ 1809{
1732 return platform_driver_probe(&driver, pxa2xx_spi_probe); 1810 return platform_driver_register(&driver);
1733} 1811}
1734subsys_initcall(pxa2xx_spi_init); 1812subsys_initcall(pxa2xx_spi_init);
1735 1813
diff --git a/drivers/spi/pxa2xx_spi_pci.c b/drivers/spi/pxa2xx_spi_pci.c
new file mode 100644
index 000000000000..351d8a375b57
--- /dev/null
+++ b/drivers/spi/pxa2xx_spi_pci.c
@@ -0,0 +1,201 @@
1/*
2 * CE4100's SPI device is more or less the same one as found on PXA
3 *
4 */
5#include <linux/pci.h>
6#include <linux/platform_device.h>
7#include <linux/of_device.h>
8#include <linux/spi/pxa2xx_spi.h>
9
10struct awesome_struct {
11 struct ssp_device ssp;
12 struct platform_device spi_pdev;
13 struct pxa2xx_spi_master spi_pdata;
14};
15
16static DEFINE_MUTEX(ssp_lock);
17static LIST_HEAD(ssp_list);
18
19struct ssp_device *pxa_ssp_request(int port, const char *label)
20{
21 struct ssp_device *ssp = NULL;
22
23 mutex_lock(&ssp_lock);
24
25 list_for_each_entry(ssp, &ssp_list, node) {
26 if (ssp->port_id == port && ssp->use_count == 0) {
27 ssp->use_count++;
28 ssp->label = label;
29 break;
30 }
31 }
32
33 mutex_unlock(&ssp_lock);
34
35 if (&ssp->node == &ssp_list)
36 return NULL;
37
38 return ssp;
39}
40EXPORT_SYMBOL_GPL(pxa_ssp_request);
41
42void pxa_ssp_free(struct ssp_device *ssp)
43{
44 mutex_lock(&ssp_lock);
45 if (ssp->use_count) {
46 ssp->use_count--;
47 ssp->label = NULL;
48 } else
49 dev_err(&ssp->pdev->dev, "device already free\n");
50 mutex_unlock(&ssp_lock);
51}
52EXPORT_SYMBOL_GPL(pxa_ssp_free);
53
54static void plat_dev_release(struct device *dev)
55{
56 struct awesome_struct *as = container_of(dev,
57 struct awesome_struct, spi_pdev.dev);
58
59 of_device_node_put(&as->spi_pdev.dev);
60}
61
62static int __devinit ce4100_spi_probe(struct pci_dev *dev,
63 const struct pci_device_id *ent)
64{
65 int ret;
66 resource_size_t phys_beg;
67 resource_size_t phys_len;
68 struct awesome_struct *spi_info;
69 struct platform_device *pdev;
70 struct pxa2xx_spi_master *spi_pdata;
71 struct ssp_device *ssp;
72
73 ret = pci_enable_device(dev);
74 if (ret)
75 return ret;
76
77 phys_beg = pci_resource_start(dev, 0);
78 phys_len = pci_resource_len(dev, 0);
79
80 if (!request_mem_region(phys_beg, phys_len,
81 "CE4100 SPI")) {
82 dev_err(&dev->dev, "Can't request register space.\n");
83 ret = -EBUSY;
84 return ret;
85 }
86
87 spi_info = kzalloc(sizeof(*spi_info), GFP_KERNEL);
88 if (!spi_info) {
89 ret = -ENOMEM;
90 goto err_kz;
91 }
92 ssp = &spi_info->ssp;
93 pdev = &spi_info->spi_pdev;
94 spi_pdata = &spi_info->spi_pdata;
95
96 pdev->name = "pxa2xx-spi";
97 pdev->id = dev->devfn;
98 pdev->dev.parent = &dev->dev;
99 pdev->dev.platform_data = &spi_info->spi_pdata;
100
101#ifdef CONFIG_OF
102 pdev->dev.of_node = dev->dev.of_node;
103#endif
104 pdev->dev.release = plat_dev_release;
105
106 spi_pdata->num_chipselect = dev->devfn;
107
108 ssp->phys_base = pci_resource_start(dev, 0);
109 ssp->mmio_base = ioremap(phys_beg, phys_len);
110 if (!ssp->mmio_base) {
111 dev_err(&pdev->dev, "failed to ioremap() registers\n");
112 ret = -EIO;
113 goto err_remap;
114 }
115 ssp->irq = dev->irq;
116 ssp->port_id = pdev->id;
117 ssp->type = PXA25x_SSP;
118
119 mutex_lock(&ssp_lock);
120 list_add(&ssp->node, &ssp_list);
121 mutex_unlock(&ssp_lock);
122
123 pci_set_drvdata(dev, spi_info);
124
125 ret = platform_device_register(pdev);
126 if (ret)
127 goto err_dev_add;
128
129 return ret;
130
131err_dev_add:
132 pci_set_drvdata(dev, NULL);
133 mutex_lock(&ssp_lock);
134 list_del(&ssp->node);
135 mutex_unlock(&ssp_lock);
136 iounmap(ssp->mmio_base);
137
138err_remap:
139 kfree(spi_info);
140
141err_kz:
142 release_mem_region(phys_beg, phys_len);
143
144 return ret;
145}
146
147static void __devexit ce4100_spi_remove(struct pci_dev *dev)
148{
149 struct awesome_struct *spi_info;
150 struct platform_device *pdev;
151 struct ssp_device *ssp;
152
153 spi_info = pci_get_drvdata(dev);
154
155 ssp = &spi_info->ssp;
156 pdev = &spi_info->spi_pdev;
157
158 platform_device_unregister(pdev);
159
160 iounmap(ssp->mmio_base);
161 release_mem_region(pci_resource_start(dev, 0),
162 pci_resource_len(dev, 0));
163
164 mutex_lock(&ssp_lock);
165 list_del(&ssp->node);
166 mutex_unlock(&ssp_lock);
167
168 pci_set_drvdata(dev, NULL);
169 pci_disable_device(dev);
170 kfree(spi_info);
171}
172
173static struct pci_device_id ce4100_spi_devices[] __devinitdata = {
174
175 { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x2e6a) },
176 { },
177};
178MODULE_DEVICE_TABLE(pci, ce4100_spi_devices);
179
180static struct pci_driver ce4100_spi_driver = {
181 .name = "ce4100_spi",
182 .id_table = ce4100_spi_devices,
183 .probe = ce4100_spi_probe,
184 .remove = __devexit_p(ce4100_spi_remove),
185};
186
187static int __init ce4100_spi_init(void)
188{
189 return pci_register_driver(&ce4100_spi_driver);
190}
191module_init(ce4100_spi_init);
192
193static void __exit ce4100_spi_exit(void)
194{
195 pci_unregister_driver(&ce4100_spi_driver);
196}
197module_exit(ce4100_spi_exit);
198
199MODULE_DESCRIPTION("CE4100 PCI-SPI glue code for PXA's driver");
200MODULE_LICENSE("GPL v2");
201MODULE_AUTHOR("Sebastian Andrzej Siewior <bigeasy@linutronix.de>");
diff --git a/arch/arm/plat-pxa/include/plat/ssp.h b/include/linux/pxa2xx_ssp.h
index fe43150690ed..2f691e4e6222 100644
--- a/arch/arm/plat-pxa/include/plat/ssp.h
+++ b/include/linux/pxa2xx_ssp.h
@@ -1,5 +1,5 @@
1/* 1/*
2 * ssp.h 2 * pxa2xx_ssp.h
3 * 3 *
4 * Copyright (C) 2003 Russell King, All Rights Reserved. 4 * Copyright (C) 2003 Russell King, All Rights Reserved.
5 * 5 *
@@ -16,8 +16,8 @@
16 * PXA3xx SSP1, SSP2, SSP3, SSP4 16 * PXA3xx SSP1, SSP2, SSP3, SSP4
17 */ 17 */
18 18
19#ifndef __ASM_ARCH_SSP_H 19#ifndef __LINUX_SSP_H
20#define __ASM_ARCH_SSP_H 20#define __LINUX_SSP_H
21 21
22#include <linux/list.h> 22#include <linux/list.h>
23#include <linux/io.h> 23#include <linux/io.h>
@@ -71,11 +71,8 @@
71#define SSCR1_SPO (1 << 3) /* Motorola SPI SSPSCLK polarity setting */ 71#define SSCR1_SPO (1 << 3) /* Motorola SPI SSPSCLK polarity setting */
72#define SSCR1_SPH (1 << 4) /* Motorola SPI SSPSCLK phase setting */ 72#define SSCR1_SPH (1 << 4) /* Motorola SPI SSPSCLK phase setting */
73#define SSCR1_MWDS (1 << 5) /* Microwire Transmit Data Size */ 73#define SSCR1_MWDS (1 << 5) /* Microwire Transmit Data Size */
74#define SSCR1_TFT (0x000003c0) /* Transmit FIFO Threshold (mask) */
75#define SSCR1_TxTresh(x) (((x) - 1) << 6) /* level [1..16] */
76#define SSCR1_RFT (0x00003c00) /* Receive FIFO Threshold (mask) */
77#define SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..16] */
78 74
75#define SSSR_ALT_FRM_MASK 3 /* Masks the SFRM signal number */
79#define SSSR_TNF (1 << 2) /* Transmit FIFO Not Full */ 76#define SSSR_TNF (1 << 2) /* Transmit FIFO Not Full */
80#define SSSR_RNE (1 << 3) /* Receive FIFO Not Empty */ 77#define SSSR_RNE (1 << 3) /* Receive FIFO Not Empty */
81#define SSSR_BSY (1 << 4) /* SSP Busy */ 78#define SSSR_BSY (1 << 4) /* SSP Busy */
@@ -83,6 +80,31 @@
83#define SSSR_RFS (1 << 6) /* Receive FIFO Service Request */ 80#define SSSR_RFS (1 << 6) /* Receive FIFO Service Request */
84#define SSSR_ROR (1 << 7) /* Receive FIFO Overrun */ 81#define SSSR_ROR (1 << 7) /* Receive FIFO Overrun */
85 82
83#ifdef CONFIG_ARCH_PXA
84#define RX_THRESH_DFLT 8
85#define TX_THRESH_DFLT 8
86
87#define SSSR_TFL_MASK (0xf << 8) /* Transmit FIFO Level mask */
88#define SSSR_RFL_MASK (0xf << 12) /* Receive FIFO Level mask */
89
90#define SSCR1_TFT (0x000003c0) /* Transmit FIFO Threshold (mask) */
91#define SSCR1_TxTresh(x) (((x) - 1) << 6) /* level [1..16] */
92#define SSCR1_RFT (0x00003c00) /* Receive FIFO Threshold (mask) */
93#define SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..16] */
94
95#else
96
97#define RX_THRESH_DFLT 2
98#define TX_THRESH_DFLT 2
99
100#define SSSR_TFL_MASK (0x3 << 8) /* Transmit FIFO Level mask */
101#define SSSR_RFL_MASK (0x3 << 12) /* Receive FIFO Level mask */
102
103#define SSCR1_TFT (0x000000c0) /* Transmit FIFO Threshold (mask) */
104#define SSCR1_TxTresh(x) (((x) - 1) << 6) /* level [1..4] */
105#define SSCR1_RFT (0x00000c00) /* Receive FIFO Threshold (mask) */
106#define SSCR1_RxTresh(x) (((x) - 1) << 10) /* level [1..4] */
107#endif
86 108
87/* extra bits in PXA255, PXA26x and PXA27x SSP ports */ 109/* extra bits in PXA255, PXA26x and PXA27x SSP ports */
88#define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */ 110#define SSCR0_TISSP (1 << 4) /* TI Sync Serial Protocol */
@@ -139,6 +161,7 @@ enum pxa_ssp_type {
139 PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */ 161 PXA25x_NSSP, /* pxa 255, 26x (including ASSP) */
140 PXA27x_SSP, 162 PXA27x_SSP,
141 PXA168_SSP, 163 PXA168_SSP,
164 CE4100_SSP,
142}; 165};
143 166
144struct ssp_device { 167struct ssp_device {
@@ -183,4 +206,4 @@ static inline u32 pxa_ssp_read_reg(struct ssp_device *dev, u32 reg)
183 206
184struct ssp_device *pxa_ssp_request(int port, const char *label); 207struct ssp_device *pxa_ssp_request(int port, const char *label);
185void pxa_ssp_free(struct ssp_device *); 208void pxa_ssp_free(struct ssp_device *);
186#endif /* __ASM_ARCH_SSP_H */ 209#endif
diff --git a/include/linux/spi/pxa2xx_spi.h b/include/linux/spi/pxa2xx_spi.h
new file mode 100644
index 000000000000..d3e1075f7b60
--- /dev/null
+++ b/include/linux/spi/pxa2xx_spi.h
@@ -0,0 +1,152 @@
1/*
2 * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17 */
18#ifndef __linux_pxa2xx_spi_h
19#define __linux_pxa2xx_spi_h
20
21#include <linux/pxa2xx_ssp.h>
22
23#define PXA2XX_CS_ASSERT (0x01)
24#define PXA2XX_CS_DEASSERT (0x02)
25
26/* device.platform_data for SSP controller devices */
27struct pxa2xx_spi_master {
28 u32 clock_enable;
29 u16 num_chipselect;
30 u8 enable_dma;
31};
32
33/* spi_board_info.controller_data for SPI slave devices,
34 * copied to spi_device.platform_data ... mostly for dma tuning
35 */
36struct pxa2xx_spi_chip {
37 u8 tx_threshold;
38 u8 rx_threshold;
39 u8 dma_burst_size;
40 u32 timeout;
41 u8 enable_loopback;
42 int gpio_cs;
43 void (*cs_control)(u32 command);
44};
45
46#ifdef CONFIG_ARCH_PXA
47
48#include <linux/clk.h>
49#include <mach/dma.h>
50
51extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info);
52
53#else
54/*
55 * This is the implemtation for CE4100 on x86. ARM defines them in mach/ or
56 * plat/ include path.
57 * The CE4100 does not provide DMA support. This bits are here to let the driver
58 * compile and will never be used. Maybe we get DMA support at a later point in
59 * time.
60 */
61
62#define DCSR(n) (n)
63#define DSADR(n) (n)
64#define DTADR(n) (n)
65#define DCMD(n) (n)
66#define DRCMR(n) (n)
67
68#define DCSR_RUN (1 << 31) /* Run Bit */
69#define DCSR_NODESC (1 << 30) /* No-Descriptor Fetch */
70#define DCSR_STOPIRQEN (1 << 29) /* Stop Interrupt Enable */
71#define DCSR_REQPEND (1 << 8) /* Request Pending (read-only) */
72#define DCSR_STOPSTATE (1 << 3) /* Stop State (read-only) */
73#define DCSR_ENDINTR (1 << 2) /* End Interrupt */
74#define DCSR_STARTINTR (1 << 1) /* Start Interrupt */
75#define DCSR_BUSERR (1 << 0) /* Bus Error Interrupt */
76
77#define DCSR_EORIRQEN (1 << 28) /* End of Receive Interrupt Enable */
78#define DCSR_EORJMPEN (1 << 27) /* Jump to next descriptor on EOR */
79#define DCSR_EORSTOPEN (1 << 26) /* STOP on an EOR */
80#define DCSR_SETCMPST (1 << 25) /* Set Descriptor Compare Status */
81#define DCSR_CLRCMPST (1 << 24) /* Clear Descriptor Compare Status */
82#define DCSR_CMPST (1 << 10) /* The Descriptor Compare Status */
83#define DCSR_EORINTR (1 << 9) /* The end of Receive */
84
85#define DRCMR_MAPVLD (1 << 7) /* Map Valid */
86#define DRCMR_CHLNUM 0x1f /* mask for Channel Number */
87
88#define DDADR_DESCADDR 0xfffffff0 /* Address of next descriptor */
89#define DDADR_STOP (1 << 0) /* Stop */
90
91#define DCMD_INCSRCADDR (1 << 31) /* Source Address Increment Setting. */
92#define DCMD_INCTRGADDR (1 << 30) /* Target Address Increment Setting. */
93#define DCMD_FLOWSRC (1 << 29) /* Flow Control by the source. */
94#define DCMD_FLOWTRG (1 << 28) /* Flow Control by the target. */
95#define DCMD_STARTIRQEN (1 << 22) /* Start Interrupt Enable */
96#define DCMD_ENDIRQEN (1 << 21) /* End Interrupt Enable */
97#define DCMD_ENDIAN (1 << 18) /* Device Endian-ness. */
98#define DCMD_BURST8 (1 << 16) /* 8 byte burst */
99#define DCMD_BURST16 (2 << 16) /* 16 byte burst */
100#define DCMD_BURST32 (3 << 16) /* 32 byte burst */
101#define DCMD_WIDTH1 (1 << 14) /* 1 byte width */
102#define DCMD_WIDTH2 (2 << 14) /* 2 byte width (HalfWord) */
103#define DCMD_WIDTH4 (3 << 14) /* 4 byte width (Word) */
104#define DCMD_LENGTH 0x01fff /* length mask (max = 8K - 1) */
105
106/*
107 * Descriptor structure for PXA's DMA engine
108 * Note: this structure must always be aligned to a 16-byte boundary.
109 */
110
111typedef enum {
112 DMA_PRIO_HIGH = 0,
113 DMA_PRIO_MEDIUM = 1,
114 DMA_PRIO_LOW = 2
115} pxa_dma_prio;
116
117/*
118 * DMA registration
119 */
120
121static inline int pxa_request_dma(char *name,
122 pxa_dma_prio prio,
123 void (*irq_handler)(int, void *),
124 void *data)
125{
126 return -ENODEV;
127}
128
129static inline void pxa_free_dma(int dma_ch)
130{
131}
132
133/*
134 * The CE4100 does not have the clk framework implemented and SPI clock can
135 * not be switched on/off or the divider changed.
136 */
137static inline void clk_disable(struct clk *clk)
138{
139}
140
141static inline int clk_enable(struct clk *clk)
142{
143 return 0;
144}
145
146static inline unsigned long clk_get_rate(struct clk *clk)
147{
148 return 3686400;
149}
150
151#endif
152#endif
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index b439eee462cb..8ad93ee2e92b 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -20,6 +20,7 @@
20#include <linux/platform_device.h> 20#include <linux/platform_device.h>
21#include <linux/clk.h> 21#include <linux/clk.h>
22#include <linux/io.h> 22#include <linux/io.h>
23#include <linux/pxa2xx_ssp.h>
23 24
24#include <asm/irq.h> 25#include <asm/irq.h>
25 26
@@ -33,7 +34,6 @@
33#include <mach/hardware.h> 34#include <mach/hardware.h>
34#include <mach/dma.h> 35#include <mach/dma.h>
35#include <mach/audio.h> 36#include <mach/audio.h>
36#include <plat/ssp.h>
37 37
38#include "../../arm/pxa2xx-pcm.h" 38#include "../../arm/pxa2xx-pcm.h"
39#include "pxa-ssp.h" 39#include "pxa-ssp.h"