diff options
Diffstat (limited to 'packages/kexecboot/linux-kexecboot-2.6.23/zylonite_touch-r0.patch')
| -rw-r--r-- | packages/kexecboot/linux-kexecboot-2.6.23/zylonite_touch-r0.patch | 1548 |
1 files changed, 0 insertions, 1548 deletions
diff --git a/packages/kexecboot/linux-kexecboot-2.6.23/zylonite_touch-r0.patch b/packages/kexecboot/linux-kexecboot-2.6.23/zylonite_touch-r0.patch deleted file mode 100644 index 1c00696051..0000000000 --- a/packages/kexecboot/linux-kexecboot-2.6.23/zylonite_touch-r0.patch +++ /dev/null @@ -1,1548 +0,0 @@ -Index: linux-2.6.23/drivers/input/touchscreen/Kconfig -=================================================================== ---- linux-2.6.23.orig/drivers/input/touchscreen/Kconfig 2008-02-13 01:12:29.000000000 +0000 -+++ linux-2.6.23/drivers/input/touchscreen/Kconfig 2008-02-13 01:13:20.000000000 +0000 -@@ -54,6 +54,12 @@ - To compile this driver as a module, choose M here: the - module will be called corgi_ts. - -+config TOUCHSCREEN_ZYLONITE -+ tristate "Zylonite touchscreen driver" -+ default y -+ help -+ Say Y here for the Zylonite touchscreen driver -+ - config TOUCHSCREEN_FUJITSU - tristate "Fujitsu serial touchscreen" - select SERIO -Index: linux-2.6.23/drivers/input/touchscreen/Makefile -=================================================================== ---- linux-2.6.23.orig/drivers/input/touchscreen/Makefile 2008-02-13 01:12:29.000000000 +0000 -+++ linux-2.6.23/drivers/input/touchscreen/Makefile 2008-02-13 01:13:38.000000000 +0000 -@@ -19,3 +19,4 @@ - obj-$(CONFIG_TOUCHSCREEN_TOUCHWIN) += touchwin.o - obj-$(CONFIG_TOUCHSCREEN_UCB1400) += ucb1400_ts.o - obj-$(CONFIG_TOUCHSCREEN_TSC2101) += tsc2101_ts.o -+obj-$(CONFIG_TOUCHSCREEN_ZYLONITE) += zylonite-ts.o -Index: linux-2.6.23/drivers/input/touchscreen/zylonite-ts.c -=================================================================== ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-2.6.23/drivers/input/touchscreen/zylonite-ts.c 2008-02-13 16:19:15.000000000 +0000 -@@ -0,0 +1,1517 @@ -+/* -+ * drivers/input/touchscreen/mhn_audio_touch.c. -+ * -+ * Author: bridge.wu@marvell.com -+ * Created: Nov 17, 2006 -+ * Copyright: Marvell Corporation. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+#include <linux/init.h> -+#include <linux/module.h> -+#include <linux/kernel.h> -+#include <linux/device.h> -+#include <linux/platform_device.h> -+#include <linux/interrupt.h> -+#include <linux/delay.h> -+ -+#include <sound/driver.h> -+#include <sound/core.h> -+#include <sound/pcm.h> -+#include <sound/initval.h> -+ -+#include <asm/semaphore.h> -+#include <asm/hardware.h> -+#include <asm/arch/pxa-regs.h> -+#include <asm/arch/gpio.h> -+#include <asm/arch/mfp.h> -+//#include <asm/arch/ipmc.h> -+#include <linux/suspend.h> -+#include <linux/spinlock.h> -+ -+//#include <asm/arch/codec/acodec.h> -+//#include <asm/arch/mhn_audio_plat.h> -+ -+#define OSCC __REG(0x41350000) /* Oscillator Configuration Register */ -+#define AC97_DIV __REG(0x41340014) -+ -+#define ALSA_ZY_CARD_DEBUG -+#undef ALSA_ZY_CARD_DEBUG -+ -+#define WM_9713_ID 0x4C13 /* this should be the 7E register value */ -+ -+#ifdef ALSA_ZY_CARD_DEBUG -+#define dbg(format, arg...) printk(KERN_DEBUG format, ##arg) -+#else -+#define dbg(format, arg...) -+#endif -+ -+#define DEBUG -+#undef DEBUG -+#ifdef DEBUG -+unsigned int start_time; -+unsigned int end_time; -+unsigned int time; -+#define PRINT_TIME() do {\ -+ time = ((end_time > start_time))?\ -+ (end_time - start_time)*100/325:\ -+ (0xffffffff - start_time + end_time)*100/325;\ -+ printk("\n%s:%dus\n", __FUNCTION__, time);\ -+} while(0) -+#endif -+ -+ -+ -+ -+/* 9713 specific -+ * Register Name Index -+ */ -+#define RESET 0X00 -+#define SPEAKER_VOLUME 0X02 -+#define HEADPHONE_VOLUME 0X04 -+#define OUT3_OUT4_VOLUME 0X06 -+#define MONOVOL_MONOINPGA_ROUTE 0X08 -+#define LINE_IN_PGA_VOL_ROUTE 0X0A -+#define DAC_PGA_VOL_ROUTE 0X0C -+#define MIC_PGA_VOLUME 0X0E -+#define MIC_ROUTING 0X10 -+#define REC_PGA_VOL 0X12 -+#define REC_ROUTE_MUX_SEL 0X14 -+#define PCBEEP_VOL_ROUTE 0X16 -+#define VXDAC_VOLUME_ROUTE 0X18 -+#define AUX_DAC_VOL_ROUTE 0X1A -+#define OUTPUT_PGA_MUX 0X1C -+#define DAC_3D_CTRL_INV_MUX_SEL 0X1E -+#define DAC_TONE_CTRL 0X20 -+#define MIC_BIAS 0X22 -+#define OUTPUT_VOL_MAPPING_JACK 0X24 -+#define POWERDOWN_CTRL_STAT 0X26 -+#define EXTENDED_AUD_ID 0X28 -+#define EXTENDED_AUD_STAT_CTRL 0X2A -+#define AUDIO_DAC_RATE 0X2C -+#define AUX_DAC_RATE 0X2E -+#define AUDIO_ADC_RATE 0X32 -+#define PCM_CODEC_CTRL 0X36 -+#define SPDIF_CTRL 0X3A -+#define POWER_DOWN_1 0X3C -+#define POWER_DOWN_2 0X3E -+#define GENERAL_PURPOSE_WM_13 0X40 -+#define FAST_POWERUP_CTRL 0X42 -+#define MCLK_PLL_CTRL_1 0X44 -+#define MCLK_PLL_CTRL_2 0X46 -+#define GPIO_PIN_CFG 0X4C -+#define GPIO_PIN_POL_TYPE 0X4E -+#define GPIO_PIN_STICKY 0X50 -+#define GPIO_PIN_WAKEUP 0X52 -+#define GPIO_PIN_STATUS 0X54 -+#define GPIO_PIN_SHARING 0X56 -+#define GPIO_PULL_UP_DOWN_CTRL 0X58 -+#define ADD_FUNC_1 0X5A -+#define ADD_FUNC_2 0X5C -+#define ALC_CTRL 0X60 -+#define ALC_NOISE_GATE_CTRL 0X62 -+#define AUX_DAC_INPUT_CTRL 0X64 -+#define TEST_REG_1 0X68 -+#define TEST_REG_2 0X6A -+#define TEST_REG_3 0X6C -+#define TEST_REG_4 0X6E -+#define DIGITIZER_1_WM13 0x74 -+#define DIGITIZER_2_WM13 0x76 -+#define DIGITIZER_3_WM13 0x78 -+#define DIGITIZER_READ_BACK 0x7a -+#define VENDOR_ID1 0x7c -+#define VENDOR_ID2 0x7e -+ -+#define ZY_TOUCH_SAMPLE_X 1 -+#define ZY_TOUCH_SAMPLE_Y 2 -+ -+#define ZY_EVENT_TYPE_NONE 0 -+#define ZY_EVENT_TYPE_PDN 1 -+ -+ -+typedef enum _zy_acodec_error_t { -+ ZY_ACODEC_SUCCESS = 0, /* successful completion of a function */ -+ ZY_ACODEC_GENERAL_SW_ERR, /* null pointer to registers or other software error */ -+ ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT, /* time-out for waiting for respponse */ -+ ZY_ACODEC_SAMPLERATE_NOT_SUPPORTED, /* the sample rate is not supported either in controller or codec */ -+ ZY_ACODEC_FEATURE_NO_SUPPORTED, /* this codec feature is not supported */ -+ ZY_ACODEC_GENERAL_HW_ERR ,/* other hardware error besides time out */ -+ ZY_ACODEC_ROUTE_NO_SUPPORTED, /* the codec can not set the route required */ -+ ZY_ACODEC_SLEEP /* the codec is sleep */ -+} zy_acodec_error_t; -+ -+typedef unsigned int zy_acodec_device_id_t; -+ -+typedef enum _codec_state { -+ ZY_CODEC_SLEEP = 0, -+ ZY_CODEC_WAKEUP = 1 -+} acodec_state_t; -+ -+typedef enum { -+ ZY_FM = 0, -+ ZY_MIC1 = 1, -+ ZY_MIC2 = 2, -+ ZY_SPEAKER =3, -+ ZY_HEADSET =4, -+ ZY_HANDSET =5, -+} vol_port_type_t; -+ -+typedef struct _context_t { -+ int use_count; /* probe/remove and suspend/resume usage count, sync among multiple devices */ -+ zy_acodec_device_id_t acodec_id;/* - an ID that uniquely identifies the codec to be used */ -+ unsigned long init_number; /* used by driver to track whether it is inited or not */ -+ -+ void *p_voice_reg; /* pointer to Monahans registers that has PCM interface to codec */ -+ void *p_hifi_reg; /* pointer to Monahans registers that has hifi interface to codec */ -+ void *p_ctrl_reg; /* pointer to Monahans registers that has control interface to codec */ -+ int *p_ost_regs; /* needed for time out */ -+ void *p_save_memory; /* pointer to a memory region to save context while suspend */ -+ void *p_zy_scenario; /* pointer to the scenario data structure */ -+ long u_max_read_write_time_out_ms;/* input the max time to wait in milliseconds before giving up on a read or write operation */ -+ long u_max_setup_time_out_ms; /* input the maximum time in milliseconds to wait during initial setup of the ACODEC controller and codec */ -+ -+ /* member functions these pointers must be set by */ -+ zy_acodec_error_t (* g_pfn_codec_specific_init) (struct _context_t *p_device_context); -+ zy_acodec_error_t (* g_pfn_codec_specific_dinit) (struct _context_t *p_device_context); -+ zy_acodec_error_t (* g_pfn_acodec_read) (struct _context_t *p_dev_context, unsigned short reg_addr, unsigned short *p_reg_value); -+ zy_acodec_error_t (* g_pfn_acodec_write) (struct _context_t *p_dev_context, unsigned short reg_addr, unsigned short reg_value); -+ -+ /* add for route */ -+ zy_acodec_error_t (* g_pfn_set_route) (struct _context_t *p_device_context, unsigned short * rout_map ,unsigned short* current_map); -+ /* add for sleep the codec */ -+ zy_acodec_error_t (* g_pfn_sleep_codec) (struct _context_t *p_device_context); -+ /* add for Wake up the codec */ -+ zy_acodec_error_t (* g_pfn_wake_codec) (struct _context_t *p_device_context); -+ /* add for get codec state */ -+ zy_acodec_error_t (* g_pfn_get_state) (struct _context_t *p_device_context, acodec_state_t *p_state); -+ /* add for volume */ -+ zy_acodec_error_t (* g_pfn_get_vol)(struct _context_t *p_device_context, vol_port_type_t port, unsigned short *gain_in_db); -+ zy_acodec_error_t (* g_pfn_set_vol)(struct _context_t *p_device_context, vol_port_type_t port, unsigned short gain_in_db); -+ -+ void (* g_pfn_get_event)(struct _context_t *p_device_context, unsigned char * event_type); -+ void (* g_pfn_event_ack)(struct _context_t *p_device_context, unsigned char event_type); -+ zy_acodec_error_t (* g_pfn_enable_touch)(struct _context_t *p_device_context); -+ zy_acodec_error_t (* g_pfn_disable_touch)(struct _context_t *p_device_context); -+} zy_acocec_context_t, *p_zy_acocec_context_t; -+ -+ -+ -+ -+ -+static p_zy_acocec_context_t p_zy_codec_ctxt = NULL; -+ -+#include <linux/input.h> -+//#include <asm/arch/codec/wm9713.h> -+ -+#define PEN_DOWN 1 -+#define PEN_UP 0 -+#define TS_SAMPLE_INTERVAL 1 -+ -+typedef struct { -+ struct input_dev *idev; -+ struct timer_list *timer; -+ int use_count; -+} codec_zy_ts_t; -+ -+codec_zy_ts_t codec_zy_ts; -+ -+static struct input_dev *codec_zy_ts_input; -+ -+#ifdef CONFIG_PM -+static volatile int touch_suspend = 0 ; -+#endif -+ -+#define ZY_AC97_CODEC_REGS_NUM 0x40 -+ -+typedef struct -+{ // Register symbol // Usage -+ volatile unsigned long pocr; // PCM Out Control Register -+ volatile unsigned long picr; // PCM In Control Register -+ volatile unsigned long mccr; // Mic In Control Register -+ volatile unsigned long gcr; // Global Control Register -+ volatile unsigned long posr; // PCM Out Status Register -+ volatile unsigned long pisr; // PCM In Status Register -+ volatile unsigned long mcsr; // Mic In Status Register -+ volatile unsigned long gsr; // Global Status Register -+ volatile unsigned long car; // CODEC Access Register -+ volatile unsigned long pcscr; // PCM Surround Out Control -+ volatile unsigned long pcssr; // PCM Surround Out Status -+ volatile unsigned long pcsdr; // PCM Surround Out Data -+ volatile unsigned long pcclcr; // PCM Center/LFE Out Control -+ volatile unsigned long pcclsr; // PCM Center/LFE Out Status -+ volatile unsigned long pccldr; // PCM Center/LFE Out Data -+ volatile unsigned long reserved1; // -+ volatile unsigned long pcdr; // PCM FIFO Data Register -+ volatile unsigned long reserved2 [0x7]; // 0x4050-0044 through 0x4050-005C -+ volatile unsigned long mcdr; // Mic-in FIFO Data Register -+ volatile unsigned long reserved3 [0x27]; // 0x4050-0064 through 0x4050-00FC -+ volatile unsigned long mocr; // MODEM Out Control Register -+ volatile unsigned long reserved4; -+ volatile unsigned long micr; // MODEM In Control Register -+ volatile unsigned long reserved5; -+ volatile unsigned long mosr; // MODEM Out Status Register -+ volatile unsigned long reserved6; -+ volatile unsigned long misr; // MODEM In Status Register -+ volatile unsigned long reserved7 [0x9]; // 0x4050-011C through 0x4050-013C -+ volatile unsigned long modr; // MODEM FIFO Data Register -+ volatile unsigned long reserved8 [0x2F]; // 0x4050-0144 through 0x4050-01FC -+ // Primary Audio CODEC registers access -+ volatile unsigned long codec_regs_primary_aud [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 01 Audio CODEC registers access -+ volatile unsigned long codec_regs_secondary_aud [ZY_AC97_CODEC_REGS_NUM]; -+ // Primary MODEM CODEC registers access -+ volatile unsigned long codec_regs_primary_mdm [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 01 MODEM CODEC registers access -+ volatile unsigned long codec_regs_secondary_mdm [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 10 MODEM CODEC registers access -+ volatile unsigned long codec_regs_third_mdm [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 11 MODEM CODEC registers access -+ volatile unsigned long codec_regs_fouth_mdm [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 10 Audio CODEC registers access -+ volatile unsigned long codec_regs_third_aud [ZY_AC97_CODEC_REGS_NUM]; -+ // Secondary ID 11 Audio CODEC registers access -+ volatile unsigned long codec_regs_fouth_aud [ZY_AC97_CODEC_REGS_NUM]; -+} zy_ac97_acodec_t, *p_zy_ac97acodec_t ; -+ -+ -+/* Constants for the Global Control Register and Global Status Register */ -+ -+// AC97 Global Control Register bit mask constants -+ -+#define ZY_AC97_GCR_GIE_MSK (1u << 0 ) -+#define ZY_AC97_GCR_COLD_RESET_MSK (1u << 1 ) -+#define ZY_AC97_GCR_WARM_RESET_MSK (1u << 2 ) -+#define ZY_AC97_GCR_LINK_OFF_MSK (1u << 3 ) -+#define ZY_AC97_GCR_PCRSM_IEN_MSK (1u << 4 ) -+#define ZY_AC97_GCR_SCRSM_IEN_MSK (1u << 5 ) -+#define ZY_AC97_GCR_PCRDY_IEN_MSK (1u << 8 ) -+#define ZY_AC97_GCR_SCRDY_IEN_MSK (1u << 9 ) -+#define ZY_AC97_GCR_SDONE_IE_MSK (1u << 18) -+#define ZY_AC97_GCR_CDONE_IE_MSK (1u << 19) -+#define ZY_AC97_GCR_nDMAEN_MSK (1u << 24) -+#define ZY_AC97_GCR_CLKBPB_MSK (1u << 31) -+#define ZY_AC97_GCR_FRCRST_MSK (1u << 30) -+// Global Status Register bit mask constants -+ -+#define ZY_AC97_GSR_GSCI_MSK (1u << 0 ) -+#define ZY_AC97_GSR_MIINT_MSK (1u << 1 ) -+#define ZY_AC97_GSR_MOINT_MSK (1u << 2 ) -+#define ZY_AC97_GSR_ACOFFD_MSK (1u << 3 ) -+#define ZY_AC97_GSR_PIINT_MSK (1u << 5 ) -+#define ZY_AC97_GSR_POINT_MSK (1u << 6 ) -+#define ZY_AC97_GSR_MINT_MSK (1u << 7 ) -+#define ZY_AC97_GSR_PCRDY_MSK (1u << 8 ) -+#define ZY_AC97_GSR_SCRDY_MSK (1u << 9 ) -+#define ZY_AC97_GSR_PCRSM_MSK (1u << 10) -+#define ZY_AC97_GSR_SCRSM_MSK (1u << 11) -+#define ZY_AC97_GSR_SLT12_BITS_MSK (7u << 12) -+#define ZY_AC97_GSR_RCS_ERR_MSK (1u << 15) -+#define ZY_AC97_GSR_SDONE_MSK (1u << 18) -+#define ZY_AC97_GSR_CDONE_MSK (1u << 19) -+ -+ -+// Bit mask and values for CAIP bit in car register. -+#define ZY_AC97_CAR_CAIP_MSK (0x1<<0) -+#define ZY_AC97_CAR_CAIP_LOCKED (0x1<<0) -+#define ZY_AC97_CAR_CAIP_CLEAR (0<<0) -+ -+/* Constants for FIFO status reporting and control */ -+ -+// One bit location is used to report FIFO error conditions and clear -+// interrupts on those conditions in the various non-global status registers. -+ -+// ZY_AC97_FIFOSTAT_FIFOE is used in: -+ // posr -+ // pisr -+ // mcsr -+ // mosr -+ // misr -+ -+#define ZY_AC97_FIFOSTAT_FIFOE (1u << 4) -+#define ZY_AC97_FIFOSTAT_EOC (1u << 3) -+#define ZY_AC97_FIFOSTAT_FSR (1u << 2) -+ -+// A different bit location is used to enable or disable interrupts based on -+// FIFO error conditions in the various non-global control registers. -+ -+// ZY_AC97_FIFOCTRL_FEIE is used in: -+ // pocr -+ // picr -+ // mccr -+ // mocr -+ // micr -+ -+#define ZY_AC97_FIFOCTRL_FEIE (1u << 3) -+#define ZY_AC97_FIFOCTRL_FSRIE (1u << 1) -+ -+/* -+******************************************************************************* -+ AC'97 Codec Registers Location and Bit Definition -+******************************************************************************* -+*/ -+ -+/* */ -+ -+ // Includes symbolic values for certain proprietary register asssignments -+ // in AC'97 devices that might be used with ZY_AC97. -+ -+ // Valid for subset of R 2.1 specification. -+ // Leading "e" in comment means it is an "expanded" register definition as -+ // found in one or more of the Appendices A-D of the R 2.1 specification. -+ // Appendix identifier will immediately follow the "e", such as "eA" -+ // R/O indicates read-only -+ // Registers not supported by the assumed controller will be commented out. -+ -+#define ZY_AC97_CR_RESET_ID 0x00 // RESET CODEC TO DEFAULT, get ID info -+#define ZY_AC97_CR_MASTER_VOLUME 0x02 // LINE OUT VOLUME -+#define ZY_AC97_CR_HEADPHONE_VOLUME 0x04 // -+#define ZY_AC97_CR_MASTER_VOLUME_MONO 0x06 // -+#define ZY_AC97_CR_MASTER_TONE_R_L 0x08 // -+#define ZY_AC97_CR_PC_BEEP_VOLUME 0x0A // -+#define ZY_AC97_CR_PHONE_VOLUME 0x0C // -+#define ZY_AC97_CR_MIC_VOLUME 0x0E // micrOPHONE VOLUME/ AGC -+#define ZY_AC97_CR_LINE_IN_VOLUME 0x10 // LINE IN VOLUME -+#define ZY_AC97_CR_CD_VOLUME 0x12 // -+#define ZY_AC97_CR_VIDEO_VOLUME 0x14 // -+#define ZY_AC97_CR_AUX_VOLUME 0x16 // -+#define ZY_AC97_CR_PCM_OUT_VOLUME 0x18 // -+#define ZY_AC97_CR_RECORD_SELECT 0x1A // SELECT LINE IN OR micrOPHONE -+#define ZY_AC97_CR_RECORD_GAIN 0x1C // -+#define ZY_AC97_CR_RECORD_GAIN_MIC 0x1E // -+#define ZY_AC97_CR_GENERAL_PURPOSE 0x20 // -+#define ZY_AC97_CR_CONTROL_3D 0x22 // -+#define ZY_AC97_CR_POWERDOWN_CTRL_STAT 0x26 // POWER MANAGEMENT -+#define ZY_AC97_CR_E_AUDIO_ID 0x28 // eA Extended audio sprt info, R/O -+#define ZY_AC97_CR_E_AUDIO_CTRL_STAT 0x2A // eA Extended audio stat + control -+ -+// -+// Audio Sample Rate Control Registers, 0x2C - 0x34 -+// -+ // eA PCM Front DAC rate control -+#define ZY_AC97_CR_E_ASR_PCM_FRNT_DAC_RT 0x2C // (output slots 3, 4, 6) -+#define ZY_AC97_CR_E_ASR_PCM_LR_ADC_RT 0x32 // eA PCM L+R ADC rate control (3+4) -+#define ZY_AC97_CR_E_ASR_MIC_ADC_RT 0x34 // eA PCM Mic ADC rate control (5) -+ -+ -+#define ZY_AC97_CR_E_MDM_GPIO_PIN_STAT 0x54 -+// -+// 5Ah-7Ah: Vendor Reserved -+// -+// -+// 7Ch-7Eh: Vendor ID registers. Optional but standardized for Plug'n'Play -+// -+#define ZY_AC97_CR_VENDOR_ID1 0x7C -+#define ZY_AC97_CR_VENDOR_ID2 0x7E -+ -+#define ZY_AC97_CR_MAX ZY_AC97_CR_VENDOR_ID2 -+ -+#define ZY_AC97_CR_END_OF_LIST (ZY_AC97_CR_MAX + 2) -+ -+ -+ -+/* Other Constants */ -+ -+// For accessing the Codec mixer registers, each increment of one 32-bit word -+// in processor space increments the addressed mixer register by two. -+// This does not cause any ambiguities because only even mixer register -+// addresses are currently supported (AC '97 spec, R 2.2) -+#define ZY_AC97_CODEC_REGS_PER_WORD 2 -+ -+/* Default timeout and holdtime settings */ -+ -+// timeout in reading and writing codec registers through AC link -+#define ZY_AC97_RW_TIMEOUT_DEF 200 //unit is us -+ -+// timeout in waiting for codec's ready signal during setup process -+#define ZY_AC97_SETUP_TIMEOUT_DEF 500 //unit is us -+ -+// timeout in waiting for locking the link successfully -+#define ZY_AC97_LOCK_TIMEOUT_DEF 300 //unit is us -+ -+// timeout in shutting down the link -+#define ZY_AC97_LINKOFF_TIMEOUT_DEF 500 //unit is us -+ -+// holdtime for keeping nReset signal active(low) in AC link -+#define ZY_AC97_COLD_HOLDTIME 100 //unit is us -+ -+/* -+******************************************************************************* -+ ZY AC97 data structure used in function interface -+******************************************************************************* -+*/ -+ -+typedef struct -+{ -+ unsigned long pocr; // PCM Out Control Register -+ unsigned long picr; // PCM In Control Register -+ unsigned long mccr; // Mic In Control Register -+ unsigned long gcr; // Global Control Register -+ unsigned long pcscr; // PCM Surround Out Control -+ unsigned long pcclcr; // PCM Center/LFE Out Control -+ unsigned long mocr; // MODEM Out Control Register -+ unsigned long micr; // MODEM In Control Register -+}zy_ac97_save_context_t; -+ -+ -+#define AC97_SAVE_CONTEXT_SIZE (sizeof(zy_ac97_save_context_t)) -+ -+static int zy_ac97_acodec_link_lock(p_zy_ac97acodec_t p_ac97_reg) -+{ -+ int status = 1; -+ volatile unsigned long car_tmp; -+ -+ car_tmp = p_ac97_reg->car; -+ if (car_tmp & ZY_AC97_CAR_CAIP_MSK) /* "1" in CAIP bit means lock failed. */ -+ { -+ status = 0; -+ } -+ return (status); -+} -+ -+ -+zy_acodec_error_t zy_ac97_acodec_write (zy_acocec_context_t *p_dev_context, unsigned short offset, unsigned short data) -+{ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ int got_link; -+ unsigned long time_remaining; -+ volatile unsigned long * p_codec_reg; -+ p_zy_ac97acodec_t p_ac97_reg = (p_zy_ac97acodec_t)(p_dev_context->p_ctrl_reg); -+ unsigned long max_rw_time_out_us = (p_dev_context->u_max_read_write_time_out_ms) * 1000; -+ -+ -+ if(offset == ZY_AC97_CR_E_MDM_GPIO_PIN_STAT) -+ {/* it is a special register and sent out on slot 12 */ -+ p_codec_reg = &(p_ac97_reg->codec_regs_primary_mdm[0]); -+ p_codec_reg += offset / ZY_AC97_CODEC_REGS_PER_WORD; -+ /* The data will be sent out on slot 12. */ -+ *p_codec_reg = (unsigned long)data; -+ goto done; -+ } -+ -+ /* Point to specified register within area mapped to target codec regs */ -+ p_codec_reg = &(p_ac97_reg->codec_regs_primary_aud[0]); -+ p_codec_reg += offset / ZY_AC97_CODEC_REGS_PER_WORD; -+ -+ -+ /* Lock the ACLINK */ -+ time_remaining = ZY_AC97_LOCK_TIMEOUT_DEF; -+ do -+ { -+ got_link = zy_ac97_acodec_link_lock(p_ac97_reg); -+ if (0 == got_link) /* 1 usec is a long time. Skip delay if possible. */ -+ { -+ udelay(1); -+ } -+ } /* Wait while time remaining and ACLINK not available */ -+ while (time_remaining-- && (0 == got_link)); -+ -+ if (0 == got_link) /* Didn't get the ACLINK */ -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ printk(KERN_ERR "AC97 Write Link Timeout\n"); -+ } -+ else /* We got the link. Perform the write operation and don't wait. */ -+ { -+ /* First, clear old write status indication CDONE by writing a ONE to that bit. */ -+ p_ac97_reg->gsr = ZY_AC97_GSR_CDONE_MSK; -+ -+ *p_codec_reg = (unsigned long)data; /* Now the write! */ -+ -+ /* Wait until write cycle is complete. There should be a way -+ * to do this speculatively at the beginning of the procedure. -+ * Need to discover it. Too inefficient to always wait. -+ */ -+ -+ time_remaining = max_rw_time_out_us; -+ do -+ { -+ udelay(1); -+ } /* Wait while time remaining and command I/O still incomplete. */ -+ while ( (time_remaining--) && !(p_ac97_reg->gsr & ZY_AC97_GSR_CDONE_MSK)); -+ if (!(p_ac97_reg->gsr & ZY_AC97_GSR_CDONE_MSK)) -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ p_ac97_reg->car = ZY_AC97_CAR_CAIP_CLEAR; -+ } -+ } /* Got AC link */ -+ -+done: -+ return(status); -+} /* Ac97CtrlCodecWrite() */ -+ -+#define CKENA __REG(0x4134000C) /* A Clock Enable Register */ -+#define CKENB __REG(0x41340010) -+ -+zy_acodec_error_t zy_ac97_acodec_read (zy_acocec_context_t *p_dev_context, unsigned short offset, unsigned short *pdata) -+{ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ int got_link; -+ unsigned long time_remaining; -+ volatile unsigned long * p_codec_reg; -+ p_zy_ac97acodec_t p_ac97_reg = (p_zy_ac97acodec_t)(p_dev_context->p_ctrl_reg); -+ unsigned long max_rw_time_out_us = (p_dev_context->u_max_read_write_time_out_ms) * 1000; -+ -+ /* Point to specified register within area mapped to target codec regs */ -+ p_codec_reg = &(p_ac97_reg->codec_regs_primary_aud[0]); -+ p_codec_reg += offset / ZY_AC97_CODEC_REGS_PER_WORD; -+ -+ /* Lock the ACLINK */ -+ time_remaining = ZY_AC97_LOCK_TIMEOUT_DEF; -+ do -+ { -+ got_link = zy_ac97_acodec_link_lock(p_ac97_reg); -+ if (0 == got_link) /* 1 usec is a long time. Skip delay if possible. */ -+ { -+ udelay(1); -+ } -+ } /* Wait while time remaining and ACLINK not available */ -+ while (time_remaining-- && (0 == got_link)); -+ -+ if (0 == got_link) /* Didn't get the ACLINK */ -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ printk(KERN_ERR "AC97 Read Link Timeout\n"); -+ } -+ else /* We got the link. Perform the write operation and don't wait. */ -+ { -+ /* First, clear old read status indications. */ -+ p_ac97_reg->gsr = ZY_AC97_GSR_SDONE_MSK | ZY_AC97_GSR_RCS_ERR_MSK; -+ -+ *pdata = (unsigned short)(*p_codec_reg); /* This is THE DUMMY READ. */ -+ -+ /* Wait for read I/O with codec to complete before doing real read. */ -+ time_remaining = max_rw_time_out_us; -+ do -+ { -+ udelay(1); -+ } /* Wait while time remaining and read I/O still incomplete */ -+ while( (time_remaining--) && (!(p_ac97_reg->gsr & ZY_AC97_GSR_SDONE_MSK)) ); -+ -+ if ((p_ac97_reg->gsr & ZY_AC97_GSR_SDONE_MSK) && (!(p_ac97_reg->gsr & ZY_AC97_GSR_RCS_ERR_MSK)) ) -+ { -+ if (p_ac97_reg->gsr & ZY_AC97_GSR_RCS_ERR_MSK) -+ {/* timeout indicated by RCS bit */ -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ } -+ /* succeed in reading. clear status bits first. */ -+ p_ac97_reg->gsr = ZY_AC97_GSR_SDONE_MSK | ZY_AC97_GSR_RCS_ERR_MSK; -+ *pdata = (unsigned short)(*p_codec_reg); /* THE REAL READ. */ -+ if (*pdata == 0xffff) -+ {/* timeout indicated by returned value */ -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ } -+ /* check later: is second waiting really needed? */ -+ time_remaining = max_rw_time_out_us; -+ do -+ { -+ udelay(1); -+ } /* Wait while time remaining and read I/O still incomplete */ -+ while( (time_remaining--) && (!(p_ac97_reg->gsr & ZY_AC97_GSR_SDONE_MSK)) ); -+ //printk(KERN_ERR "AC97 Read Result %d\n", (p_ac97_reg->gsr & ZY_AC97_GSR_SDONE_MSK) ); -+ } -+ else /* failed */ -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ p_ac97_reg->car = ZY_AC97_CAR_CAIP_CLEAR; -+ //printk(KERN_ERR "AC97 Read Link Timeout2 %x %x %x\n", CKENA, OSCC, CKENB); -+ } /* else (OK to do real read) */ -+ -+ } /* else (We got the link. Perform the read operations.) */ -+ -+ return (status); -+} -+ -+ -+ -+zy_acodec_error_t zy_acodec_get_adc_sample(zy_acocec_context_t *p_device_context, unsigned short *p_sample_data, unsigned short adc_type, int *p_pen_down) -+{ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ unsigned short value; -+ unsigned long wait; -+ -+ if (adc_type == ZY_TOUCH_SAMPLE_X) -+ { -+ value = 0x202; -+ } -+ else -+ {/* Y sample */ -+ value = 0x204; -+ } -+ -+ status = zy_ac97_acodec_write(p_device_context, DIGITIZER_1_WM13, value); -+ -+ wait = 0; -+ do -+ { -+ status = zy_ac97_acodec_read(p_device_context, DIGITIZER_1_WM13, &value); -+ if ( !(value & 0x200 ) ) -+ { -+ break; -+ } -+ }while ( 100 > wait++ ); -+ -+ status = zy_ac97_acodec_read(p_device_context, DIGITIZER_READ_BACK, &value); -+ if (value & 0x8000) -+ {/* means pen down */ -+ *p_pen_down = 1; -+ } -+ else -+ { -+ *p_pen_down = 0; -+ } -+ *p_sample_data = value & 0xfff; -+ -+ return status; -+} -+ -+ -+ -+/* -+ * add a touch event -+ */ -+static int codec_zy_ts_evt_add(codec_zy_ts_t* ts, u16 pressure, u16 x, u16 y) -+{ -+ /* add event and remove adc src bits */ -+ static u16 pre_press = 0; -+ -+ input_report_abs(ts->idev, ABS_X, x & 0xfff); -+ input_report_abs(ts->idev, ABS_Y, y & 0xfff); -+ if (pressure == pre_press){ -+ pressure--; -+ } -+ pre_press = pressure; -+ input_report_abs(ts->idev, ABS_PRESSURE, pressure & 0xfff); -+ input_sync(ts->idev); -+#ifdef CONFIG_IPM -+ ipm_event_notify(IPM_EVENT_UI, IPM_EVENT_DEVICE_TSI, NULL, 0); -+#endif -+ return 0; -+} -+ -+/* -+ * add a pen up event -+ */ -+static void codec_zy_ts_evt_release(codec_zy_ts_t* ts) -+{ -+ input_report_abs(ts->idev, ABS_PRESSURE, 0); -+ input_sync(ts->idev); -+ -+#ifdef CONFIG_IPM -+ ipm_event_notify(IPM_EVENT_UI, IPM_EVENT_DEVICE_TSI, NULL, 0); -+#endif -+ p_zy_codec_ctxt->g_pfn_event_ack(p_zy_codec_ctxt,ZY_EVENT_TYPE_PDN); -+} -+ -+/* -+ * Kill the touchscreen thread and stop -+ * the touch digitiser. -+ */ -+static void codec_zy_ts_input_close(struct input_dev *idev) -+{ -+ codec_zy_ts_t *ts = (codec_zy_ts_t *) &codec_zy_ts; -+ -+#ifdef CONFIG_PM -+ if(touch_suspend){ -+ pr_info("touch is suspended!\n"); -+ return -1; -+ } -+#endif -+ dbg("close ts input!\n"); -+ if (--ts->use_count == 0) { -+ del_timer(ts->timer); -+ if (ts->timer != NULL) -+ kfree(ts->timer); -+ p_zy_codec_ctxt->g_pfn_disable_touch(p_zy_codec_ctxt); -+ } -+} -+ -+/* -+ * Sample the touchscreen -+ */ -+int ac97_poll_touch(codec_zy_ts_t *ts) -+{ -+ unsigned short x=0, y=0; -+ int if_down= 0; -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ -+#ifdef DEBUG -+ start_time = OSCR; -+#endif -+ -+ /* get x value */ -+ status = zy_acodec_get_adc_sample(p_zy_codec_ctxt, &x, ZY_TOUCH_SAMPLE_X, &if_down); -+ if (ZY_ACODEC_SUCCESS != status ){ -+ return -EIO; -+ } -+ dbg("x:0x%x\n", x); -+ -+ /* the pen is up */ -+ if (1 != if_down){ -+ return PEN_UP; -+ } -+ -+ /* get y vaule */ -+ status = zy_acodec_get_adc_sample(p_zy_codec_ctxt, &y, ZY_TOUCH_SAMPLE_Y, &if_down); -+ if (ZY_ACODEC_SUCCESS != status ){ -+ return -EIO; -+ } -+ dbg("y:0x%x\n",y); -+ -+ /* the pen is up */ -+ if (1 != if_down){ -+ return PEN_UP; -+ } -+ -+ /* the pen is down, can not get the pressure value, -+ * so if pen is down, give the max pressure value -+ */ -+ codec_zy_ts_evt_add(ts,0xfff, x, y); -+ -+#ifdef DEBUG -+ end_time = OSCR; -+ PRINT_TIME(); -+#endif -+ -+ return PEN_DOWN; -+} -+ -+static void touch_timer_handler(unsigned long unused) -+{ -+ int event; -+ codec_zy_ts_t *ts = &codec_zy_ts; -+ -+ event = ac97_poll_touch(ts); -+ -+ if (event == PEN_DOWN) { -+ dbg("pen down!\n"); -+ ts->timer->expires = jiffies + TS_SAMPLE_INTERVAL; -+ add_timer(ts->timer); -+ } else if(event == PEN_UP) { -+ dbg("pen up!\n"); -+ codec_zy_ts_evt_release(ts); -+ } else if(event == -EIO) { -+ printk(KERN_ERR "Access touch interface error!\n"); -+ } -+ return; -+} -+ -+static zy_acodec_error_t zy_ac97_acodec_cold_reset(zy_acocec_context_t * p_ac97_ctxt) -+{ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ p_zy_ac97acodec_t p_ac97 = (p_zy_ac97acodec_t)(p_ac97_ctxt->p_ctrl_reg); -+ int pri_codec_ready; -+ unsigned long time_remaining; -+ -+ p_ac97->gcr = 0; -+ p_ac97->gcr |= ZY_AC97_GCR_CLKBPB_MSK; -+ /* Hold reset active for a minimum time */ -+ udelay(ZY_AC97_COLD_HOLDTIME); -+ p_ac97->gcr &= ~ZY_AC97_GCR_CLKBPB_MSK; -+ -+ /* Deactivate cold reset condition */ -+ p_ac97->gcr |= (ZY_AC97_GCR_COLD_RESET_MSK | ZY_AC97_GCR_WARM_RESET_MSK); -+ -+ -+ pri_codec_ready = 0; -+ time_remaining = (p_ac97_ctxt->u_max_setup_time_out_ms) * 10; -+ do -+ { -+ udelay(1); -+ if (p_ac97->gsr & ZY_AC97_GSR_PCRDY_MSK) -+ pri_codec_ready = 1; -+ } -+ while (time_remaining-- && (pri_codec_ready == 0)); -+ -+ /* Timeout status if some of the devices weren't ready. */ -+ if (pri_codec_ready == 0) -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ } -+ -+ return (status); -+} -+ -+ -+zy_acodec_error_t zy_ac97_acodec_init(zy_acocec_context_t *p_ac97_ctxt) -+{ -+ zy_acodec_error_t status ; -+ -+ status = zy_ac97_acodec_cold_reset(p_ac97_ctxt); -+ -+ return (status); -+} -+ -+ -+/* -+ * Start the touchscreen thread and -+ * the touch digitiser. -+ */ -+static int codec_zy_ts_input_open(struct input_dev *idev) -+{ -+ codec_zy_ts_t *ts = (codec_zy_ts_t *) &codec_zy_ts; -+ -+#ifdef CONFIG_PM -+ if(touch_suspend){ -+ pr_info("touch is suspended!\n"); -+ return -1; -+ } -+#endif -+ -+ if (ts->use_count++ > 0) -+ return 0; -+ -+ dbg("Touch is opened. Use count: %d\n", ts->use_count); -+ ts->idev = idev; -+ ts->timer = kmalloc(sizeof(struct timer_list), GFP_KERNEL); -+ if (!ts->timer) { -+ printk(KERN_ERR "Alloc memory error for timer!\n"); -+ return -ENOMEM; -+ } -+ -+ init_timer(ts->timer); -+ ts->timer->function = touch_timer_handler; -+ ts->timer->data = 0; -+ p_zy_codec_ctxt->g_pfn_enable_touch(p_zy_codec_ctxt); -+ -+ return 0; -+} -+ -+/* -+ * initilze the pxa touch screen -+ */ -+static int alsa_ts_init( void ) -+{ -+ codec_zy_ts_t* ts = &codec_zy_ts; -+ -+ memset(ts, 0, sizeof(codec_zy_ts_t)); -+ -+ codec_zy_ts_input = input_allocate_device(); -+ if (!codec_zy_ts_input) -+ return -ENOMEM; -+ -+ -+ /* tell input system what we events we accept and register */ -+ codec_zy_ts_input->name = "codec zy touchscreen"; -+ codec_zy_ts_input->open = codec_zy_ts_input_open; -+ codec_zy_ts_input->close = codec_zy_ts_input_close; -+ __set_bit(EV_ABS, codec_zy_ts_input->evbit); -+ __set_bit(ABS_X, codec_zy_ts_input->absbit); -+ __set_bit(ABS_Y, codec_zy_ts_input->absbit); -+ __set_bit(ABS_PRESSURE, codec_zy_ts_input->absbit); -+ input_register_device(codec_zy_ts_input); -+ -+ return 0; -+} -+ -+static irqreturn_t pxa_touch_irq(int irq, void *dev) -+{ -+ unsigned char event_type; -+ -+ //printk(KERN_ERR "%s: enter codec event handler\n", __FUNCTION__); -+ -+ dbg("%s: enter codec event handler\n", __FUNCTION__); -+ p_zy_codec_ctxt->g_pfn_get_event(p_zy_codec_ctxt, &event_type); -+ switch (event_type) { -+ case ZY_EVENT_TYPE_PDN: -+ { -+ codec_zy_ts_t *ts = &codec_zy_ts; -+ /*if the touch is not open need not acknowledge the event*/ -+ if (ts->use_count <= 0) -+ break; -+ ts->timer->expires = jiffies + TS_SAMPLE_INTERVAL; -+ add_timer(ts->timer); -+ break; -+ } -+ default: -+ printk("unsupported codec event:0x%x\n", event_type); -+ } -+ -+ return IRQ_HANDLED; -+} -+ -+ -+ -+ -+ -+ -+ -+ -+ -+static mfp_cfg_t extra_cfg[] = { -+ MFP_CFG_X(GPIO17, AF3, DS03X, PULL_LOW), -+ MFP_CFG_X(GPIO25, AF0, DS01X, PULL_LOW), -+}; -+ -+#define ARRAY_AND_SIZE(x) (x), ARRAY_SIZE(x) -+ -+extern void dump_mfp(void); -+ -+zy_acodec_error_t zy_ac97_acodec_mfp_init(zy_acocec_context_t *p_device_context) -+{ -+ unsigned short codec_id; -+ -+ //mhn_mfp_set_afds(MFP_RSVD_AC97_SDATA_IN_0, MFP_AF0, MFP_DS03X); -+ //enable_ac97_pins(); -+ zy_ac97_acodec_init(p_device_context); -+ if (zy_ac97_acodec_read(p_device_context, 0x0, &codec_id)){ -+ -+ /* -+ * there is a bug on MonahansL/MonhansPL PC card: AC97_SDATA_IN is not connected to CODEC -+ * ECO 72: Connect PWM_0(MFP_RSVD_AC97_SDATA_IN_0) to CODEC as AC97_SDATA_IN -+ */ -+ -+ //mhn_mfp_set_afds(MFP_RSVD_AC97_SDATA_IN_0, MFP_RSVD_AC97_SDATA_IN_0_AF, MFP_DS03X); -+ //mhn_mfp_set_afds(MFP_AC97_SDATA_IN_0, MFP_AF0, MFP_DS01X); -+ -+ gpio_direction_output(mfp_to_gpio(MFP_PIN_GPIO17), 0); -+ pxa3xx_mfp_config(ARRAY_AND_SIZE(extra_cfg)); -+ gpio_direction_input(mfp_to_gpio(MFP_PIN_GPIO25)); -+ } -+ -+ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+#define ZY_AC97_WM9713_GPIO_PIN_PDN ( 0x1 << 13 ) /* Pen down */ -+ -+/*power enable bit in 3ch and 3eh */ -+/*3ch */ -+#define ZY_AC97_9713_PWR_PADCPD ( 0x1 << 15 ) -+#define ZY_AC97_9713_PWR_VMID ( 0x1 << 14 ) -+#define ZY_AC97_9713_PWR_TSHUT ( 0x1 << 13 ) -+#define ZY_AC97_9713_PWR_VXDAC ( 0x1 << 12 ) -+#define ZY_AC97_9713_PWR_AUXDAC ( 0x1 << 11 ) -+#define ZY_AC97_9713_PWR_MBIAS ( 0x1 << 10 ) -+#define ZY_AC97_9713_PWR_PLL ( 0x1 << 9 ) -+#define ZY_AC97_9713_PWR_DACL ( 0x1 << 7 ) -+#define ZY_AC97_9713_PWR_DACR ( 0x1 << 6 ) -+#define ZY_AC97_9713_PWR_ADCL ( 0x1 << 5 ) -+#define ZY_AC97_9713_PWR_ADCR ( 0x1 << 4 ) -+#define ZY_AC97_9713_PWR_HPLX ( 0x1 << 3 ) -+#define ZY_AC97_9713_PWR_HPRX ( 0x1 << 2 ) -+#define ZY_AC97_9713_PWR_SPKX ( 0x1 << 1 ) -+#define ZY_AC97_9713_PWR_MX ( 0x1 << 0 ) -+ -+/*3EH */ -+#define ZY_AC97_9713_PWR_MCD ( 0x1 << 15 ) -+#define ZY_AC97_9713_PWR_MICBIAS ( 0x1 << 14 ) -+#define ZY_AC97_9713_PWR_MONO ( 0x1 << 13 ) -+#define ZY_AC97_9713_PWR_OUT4 ( 0x1 << 12 ) -+#define ZY_AC97_9713_PWR_OUT3 ( 0x1 << 11 ) -+#define ZY_AC97_9713_PWR_HPL ( 0x1 << 10 ) -+#define ZY_AC97_9713_PWR_HPR ( 0x1 << 9 ) -+#define ZY_AC97_9713_PWR_SPKL ( 0x1 << 8 ) -+#define ZY_AC97_9713_PWR_SPKR ( 0x1 << 7 ) -+#define ZY_AC97_9713_PWR_LL ( 0x1 << 6 ) -+#define ZY_AC97_9713_PWR_LR ( 0x1 << 5 ) -+#define ZY_AC97_9713_PWR_MOIN ( 0x1 << 4 ) -+#define ZY_AC97_9713_PWR_MA ( 0x1 << 3 ) -+#define ZY_AC97_9713_PWR_MB ( 0x1 << 2 ) -+#define ZY_AC97_9713_PWR_MPA ( 0x1 << 1 ) -+#define ZY_AC97_9713_PWR_MPB ( 0x1 << 0 ) -+ -+ -+void zy_wm9713_get_event(zy_acocec_context_t *p_device_context, unsigned char * event_type) -+{ -+ unsigned short event_state = 0; -+ zy_ac97_acodec_read(p_device_context, GPIO_PIN_STATUS, &event_state); -+ if(event_state & ZY_AC97_WM9713_GPIO_PIN_PDN){ -+ *event_type = ZY_EVENT_TYPE_PDN; -+ return; -+ } -+ return; -+} -+ -+void zy_wm9713_event_ack(zy_acocec_context_t *p_device_context, unsigned char event_type) -+{ -+ unsigned short event_state = 0; -+ zy_ac97_acodec_read(p_device_context, GPIO_PIN_STATUS, &event_state); -+ if( event_type == ZY_EVENT_TYPE_PDN){ -+ zy_ac97_acodec_write(p_device_context, -+ GPIO_PIN_STATUS, -+ (event_state & (~ZY_AC97_WM9713_GPIO_PIN_PDN))); -+ } -+ -+ zy_ac97_acodec_read(p_device_context, GPIO_PIN_STATUS, &event_state); -+ return; -+} -+ -+static void * p_saved_memory = NULL; -+static void * p_zy_scenario = NULL; -+static p_zy_acocec_context_t p_zy_ctxt = NULL; -+ -+#define WM9713_SAVE_REGISTER_NO (64-11) -+typedef struct { -+ unsigned short wm9713RegisterContext [WM9713_SAVE_REGISTER_NO + 1]; /* Fixed (data misalignment error) */ -+}ZY_9713_CONTEXT_SAVE_T; -+ -+ -+/** -+ * alsa_prepare_for_zy - create and initialize the p_zy_acocec_context_t -+ * open the clock of data link -+ * @p_p_zy_ctxt: return the data structure p_zy_acocec_context_t -+ * return: 0 success ; -ENOMEM -+ **/ -+int alsa_prepare_for_zy(p_zy_acocec_context_t * p_p_zy_ctxt) -+{ -+ if (p_zy_ctxt) { -+ p_zy_ctxt->use_count++; -+ *p_p_zy_ctxt = p_zy_ctxt; -+ return 0; -+ } -+ -+ p_zy_ctxt = kzalloc(sizeof(zy_acocec_context_t), GFP_KERNEL); -+ if (!p_zy_ctxt) -+ return -ENOMEM; -+ -+ /* enable CLK_POUT as CODEC clock input */ -+ OSCC |= 0x800; -+ -+ p_saved_memory = kzalloc(sizeof(ZY_9713_CONTEXT_SAVE_T) + -+ sizeof(zy_ac97_save_context_t), GFP_KERNEL); -+ if (NULL == p_saved_memory) { -+ if (p_zy_ctxt) -+ kfree(p_zy_ctxt); -+ return -ENOMEM; -+ } -+ -+ p_zy_ctxt->acodec_id = (zy_acodec_device_id_t) (WM_9713_ID); -+ p_zy_ctxt->use_count++; -+ /* -+ p_zy_ctxt->pMfpRegBase = (unsigned long) (MFP_BASE); -+ p_zy_ctxt->pMfpRmDb = ZY_MFP_RM_DATABASE; -+ p_zy_ctxt->p_ost_regs = OST_BASE; -+ */ -+ p_zy_ctxt->p_voice_reg = NULL; -+ p_zy_ctxt->p_hifi_reg = (void *) (&POCR); -+ p_zy_ctxt->p_ctrl_reg = (void *) (&POCR); -+ p_zy_ctxt->u_max_read_write_time_out_ms = ZY_AC97_RW_TIMEOUT_DEF; -+ p_zy_ctxt->u_max_setup_time_out_ms = ZY_AC97_SETUP_TIMEOUT_DEF; -+ p_zy_ctxt->p_save_memory = p_saved_memory; -+ p_zy_ctxt->p_zy_scenario = p_zy_scenario; -+// pxa_set_cken(24, 1); -+ CKENA |= (1 << 24); -+ AC97_DIV = 1625<<12 | 128; -+#ifdef DEBUG_ALSA_ZY -+ debug_pac97ctxt = p_zy_ctxt; -+ misc_register(&audio_dev); -+#endif -+ -+ (*p_p_zy_ctxt) = p_zy_ctxt; -+ -+ return 0; -+} -+ -+ -+/* this is platform specific */ -+/* do later: not to enable recording route and playback route in this function, -+ * leave it to driver to call other function -+ */ -+zy_acodec_error_t zy_wm9713_specific_init (zy_acocec_context_t *p_device_context) -+{ -+ -+ unsigned short value; -+ -+ /* this assumes that the aclink is initialized wait some time and then -+ * do a warm reset to enabled the ACLINK, required for wm9713 -+ * (not wm9712 or ucb1400) -+ */ -+ -+ /* pay attention: whether the workaround is still needed? */ -+ p_zy_ac97acodec_t p_ac97_reg = (p_zy_ac97acodec_t)(p_device_context->p_ctrl_reg); -+ -+ p_ac97_reg->gcr |= ZY_AC97_GCR_WARM_RESET_MSK; -+ -+ mdelay(5); -+ -+ /* power on all the necessary unit */ -+ zy_ac97_acodec_write(p_device_context,POWERDOWN_CTRL_STAT, 0x000); /*26*/ -+ /* open left headphone mixer */ -+ /* open right headphone mixer */ -+ /* open right/left dac */ -+ /* open right/left adc */ -+ /* open temperature sensor */ -+ /* enable reference generator */ -+ zy_ac97_acodec_write(p_device_context,POWER_DOWN_1, 0xda00); /*3c */ -+ /* open microphone bias */ -+ /* open HPL output PGA */ -+ /* open HPR output PGA */ -+ /* open mic PGA MA */ -+ /* open mic pre-amp MPA */ -+ /* if here we enable SPKL and SPKR PGA, then Touch screen will doesn't work */ -+ zy_ac97_acodec_write(p_device_context,POWER_DOWN_2,0xb9f5); /*3e */ -+ -+ /* recording route and microphone input */ -+ /* microphone selection, now fixed to MIC1 input and mic bias output */ -+ /* MIC1 only, MICBIAS enable */ -+ zy_ac97_acodec_write (p_device_context, MIC_BIAS, 0xC440); /*0x22h*/ -+ -+ /* mic pga setting to mixer (side tone) */ -+ /* comment the below code to make MICA/B play back volume gain + 0db */ -+ /* zy_ac97_acodec_write (p_device_context, MIC_PGA_VOLUME, 0x0000); */ /*0x0eh*/ -+ -+ /* recording side tone and ADC boost, now fixed to default (14h) */ -+ /* recording volume 0dB */ -+ zy_ac97_acodec_write(p_device_context, REC_PGA_VOL, 0x0); /*12*/ -+ -+ /* hifi playback route and output mixer */ -+ /* by default, fixed to enable headphone only */ -+ -+ /* comment the below code to make SPEAKER default MUTE */ -+ zy_ac97_acodec_write (p_device_context, SPEAKER_VOLUME, 0x0); /*02*/ -+ -+ /* comment the below code to make OUT3_OUT4 default MUTE */ -+ /* zy_ac97_acodec_write (p_device_context, OUT3_OUT4_VOLUME, 0x8000); */ /*06*/ -+ -+ /* remove all the mute bit volume gain + 0db */ -+ zy_ac97_acodec_write(p_device_context, HEADPHONE_VOLUME, 0x0); /*04*/ -+ -+ /* DAC route */ -+ /* open DAC to headphone mixer path */ -+ /* left DAC gain +0db */ -+ /* right DAC gain +0db */ -+ zy_ac97_acodec_write(p_device_context, DAC_PGA_VOL_ROUTE,0x0808); /*0c*/ -+ -+ /* out3 configure, invert to HPMIXR */ -+ /* zy_ac97_acodec_write(p_device_context,DAC_3D_CTRL_INV_MUX_SEL, 0x8000); */ /*1e*/ -+ -+ /* output control */ -+ /* select HPMIXR HPMIXL out */ -+ /* other out are all VIM */ -+ zy_ac97_acodec_write(p_device_context,OUTPUT_PGA_MUX, 0x9BA8); /*1c*/ -+ -+ /* set sample rates */ -+ /* enable variable rate conversion */ -+ zy_ac97_acodec_write(p_device_context, EXTENDED_AUD_STAT_CTRL , 0x1); /*2a*/ -+ /* DAC 44kHZ */ -+ zy_ac97_acodec_write(p_device_context,AUDIO_DAC_RATE,0xac44); /*2c*/ -+ /* ADC 16KHZ */ -+ zy_ac97_acodec_write(p_device_context,AUDIO_ADC_RATE,0x3E80); /*32*/ -+ -+ /* clock scheme, use external clock, it is 24MHZ from MCLK_A */ -+ -+ -+ zy_ac97_acodec_read(p_device_context, MCLK_PLL_CTRL_1, &value); -+ zy_ac97_acodec_write(p_device_context, MCLK_PLL_CTRL_1, value | 0x2); -+ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+zy_acodec_error_t zy_wm9713_specific_deinit (zy_acocec_context_t *p_device_context) -+{/* do later: shut down all power */ -+ unsigned short value = 0; -+ -+ /* close the power of all units */ -+ zy_ac97_acodec_write(p_device_context, POWER_DOWN_1, 0xffff); -+ zy_ac97_acodec_write(p_device_context, POWER_DOWN_2, 0xffff); -+ zy_ac97_acodec_read(p_device_context, POWER_DOWN_1, &value); -+ value &= ~(ZY_AC97_9713_PWR_MBIAS); -+ zy_ac97_acodec_write(p_device_context, POWER_DOWN_1, value); -+ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+zy_acodec_error_t zy_acodec_set_pen_down_interrupt(zy_acocec_context_t *p_device_context, int enable) -+{/* disable/enable pen down interrupt in the codec. This function is not implemented for Wm9713 */ -+ /* because the pen down detection could not be disabled in codec */ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+zy_acodec_error_t zy_wm9713_enable_touch(zy_acocec_context_t *p_device_context) -+{/* enable touch functionality in the codec */ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ unsigned short value; -+ -+ /* power setting */ -+ status = zy_ac97_acodec_read(p_device_context, POWER_DOWN_1, &value); -+ value &= ~(ZY_AC97_9713_PWR_PADCPD); -+ status = zy_ac97_acodec_write(p_device_context, POWER_DOWN_1, value); -+ -+ /* basic touch setting */ -+ status = zy_ac97_acodec_write(p_device_context, DIGITIZER_3_WM13, 0xc008); -+ status = zy_ac97_acodec_write(p_device_context, DIGITIZER_2_WM13, 0x6); -+ -+ -+ /* 9713 powerdown virtual gpio setting (polarity, sticky, wakeup) */ -+ /* 9713 gpio 2(pin45) route to IRQ */ -+ /* Notes: Can use defaults for IRQ polarity, PENDOWN polarity in IRQ, */ -+ /* sticky for PENDOWN in IRQ and wakeup for PENDOWN. */ -+ status = zy_ac97_acodec_read(p_device_context, GPIO_PIN_CFG, &value); -+ value &= ~(0x4); -+ status = zy_ac97_acodec_write(p_device_context, GPIO_PIN_CFG, value); -+ -+ status = zy_ac97_acodec_read(p_device_context, GPIO_PIN_SHARING, &value); -+ value &= ~(0x4); -+ status = zy_ac97_acodec_write(p_device_context, GPIO_PIN_SHARING, value); -+ -+ status = zy_ac97_acodec_read(p_device_context, GPIO_PIN_WAKEUP, &value); -+ value |= (0x2000); -+ status = zy_ac97_acodec_write(p_device_context, GPIO_PIN_WAKEUP, value); -+ -+ status = zy_ac97_acodec_read(p_device_context, GPIO_PIN_STICKY, &value); -+ value |= (0x2000); -+ status = zy_ac97_acodec_write(p_device_context, GPIO_PIN_STICKY, value); -+ -+ return status; -+} -+ -+zy_acodec_error_t zy_wm9713_disable_touch(zy_acocec_context_t *p_device_context) -+{/* disable touch functionality in the codec */ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ unsigned short value; -+ -+ /* power setting */ -+ status = zy_ac97_acodec_read(p_device_context, POWER_DOWN_1, &value); -+ value |= (ZY_AC97_9713_PWR_PADCPD); -+ status = zy_ac97_acodec_write(p_device_context, POWER_DOWN_1, value); -+ -+ return status; -+} -+zy_acodec_error_t zy_ac97_acodec_mfp_deinit(zy_acocec_context_t *p_device_context) -+{/* do later: free all MFP resources. */ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+static zy_acodec_error_t zy_ac97_acodec_shut_down_aclink(p_zy_ac97acodec_t p_ac97_reg, int * p_ost_regs) -+{ -+ zy_acodec_error_t status = ZY_ACODEC_SUCCESS; -+ unsigned long time_remaining = ZY_AC97_LINKOFF_TIMEOUT_DEF; -+ -+ p_ac97_reg->gcr |= ZY_AC97_GCR_LINK_OFF_MSK; -+ p_ac97_reg->gcr |= ZY_AC97_GCR_CLKBPB_MSK; -+ -+ while (!(p_ac97_reg->gsr & ZY_AC97_GSR_ACOFFD_MSK)) -+ { -+ time_remaining --; -+ if (0 == time_remaining) -+ { -+ status = ZY_ACODEC_CONTROLLER_INTERFACE_TIMEOUT; -+ break; -+ } -+ udelay(1); -+ } -+ p_ac97_reg->gcr |= ZY_AC97_GCR_FRCRST_MSK; -+ /* check later: any delay needed */ -+ p_ac97_reg->gcr &= ~ZY_AC97_GCR_FRCRST_MSK; -+ p_ac97_reg->gcr &= ~ZY_AC97_GCR_CLKBPB_MSK; -+ -+ return(status); -+} -+ -+ -+zy_acodec_error_t zy_ac97_acodec_deinit(zy_acocec_context_t * p_ac97_ctxt) -+{ -+ zy_acodec_error_t status ; -+ -+ status = zy_ac97_acodec_shut_down_aclink((p_zy_ac97acodec_t)(p_ac97_ctxt->p_ctrl_reg), p_ac97_ctxt->p_ost_regs); -+ -+ return (status); -+} -+ -+zy_acodec_error_t zy_acodec_deinit(zy_acocec_context_t *p_device_context) -+{ -+ /* power down codec by codec specific power down function */ -+ if (p_device_context->g_pfn_codec_specific_dinit) -+ { -+ p_device_context->g_pfn_codec_specific_dinit(p_device_context); -+ } -+ /* call bus deinit function */ -+ zy_ac97_acodec_deinit(p_device_context); -+ /* restore MFP, set GPIO to suitable value */ -+ zy_ac97_acodec_mfp_deinit(p_device_context); -+ -+ return ZY_ACODEC_SUCCESS; -+} -+ -+void alsa_zy_codec_put(p_zy_acocec_context_t p_acodectxt) -+{ -+ -+ zy_acodec_deinit(p_acodectxt); -+ //pxa_set_cken(24, 0); -+ CKENA &= ~(1 << 24); -+ -+ if(p_acodectxt->p_save_memory){ -+ kfree(p_saved_memory); -+ } -+ if(p_acodectxt->p_zy_scenario){ -+ kfree(p_zy_scenario); -+ } -+} -+ -+ -+zy_acodec_error_t zy_acodec_init(zy_acocec_context_t *p_device_context, int hw_init) -+{ -+ /* set codec specific functions -+ * set mfp for Zylonite platform -+ * call bus init function (AC97, I2S, I2C, SSP) -+ * call specific init of codec -+ */ -+ zy_acodec_error_t retval = ZY_ACODEC_SUCCESS; -+ -+ if (p_device_context->acodec_id != WM_9713_ID) -+ {/* on Zylonite, it is Wolfson 9713 codec only */ -+ return ZY_ACODEC_GENERAL_SW_ERR; -+ } -+ -+ if (1 == hw_init) -+ { -+ zy_ac97_acodec_mfp_init(p_device_context); -+ zy_ac97_acodec_init(p_device_context); /* codec init common to ac97 */ -+ } -+ -+ /* wm9713-specific functions */ -+ (p_device_context->g_pfn_codec_specific_init) = zy_wm9713_specific_init; -+ (p_device_context->g_pfn_codec_specific_dinit) = zy_wm9713_specific_deinit; -+ (p_device_context->g_pfn_acodec_read) = zy_ac97_acodec_read; -+ (p_device_context->g_pfn_acodec_write) = zy_ac97_acodec_write; -+ -+ (p_device_context->g_pfn_event_ack) = zy_wm9713_event_ack; -+ (p_device_context->g_pfn_get_event) = zy_wm9713_get_event; -+ (p_device_context->g_pfn_disable_touch) = zy_wm9713_disable_touch; -+ (p_device_context->g_pfn_enable_touch) = zy_wm9713_enable_touch; -+ -+ if (1 == hw_init) -+ { -+ retval = p_device_context->g_pfn_codec_specific_init(p_device_context); -+ } -+ -+ return retval; -+} -+ -+static int __devinit touch_codec_zy_probe(struct platform_device *dev) -+{ -+ int ret = 0; -+ struct snd_card *card = NULL; -+ zy_acodec_error_t status; -+ -+ /* will increase codec context use count */ -+ ret = alsa_prepare_for_zy(&p_zy_codec_ctxt); -+ if (ret) -+ goto err; -+ -+ /* codec specific initialization, audio will do it either */ -+ if (1 == p_zy_codec_ctxt->use_count) { -+ status = zy_acodec_init(p_zy_codec_ctxt, 1); -+ if (ZY_ACODEC_SUCCESS != status) { -+ printk(KERN_ERR "initialize codec error\n"); -+ ret = -EIO; -+ goto err; -+ } -+ -+ /* power down the units of the acodec, sleep the acodec, zy_acodec_init() -+ * will open all the units' power of the codec while ALSA need all the codec -+ * units power down and the codec should sleep if it can. -+ * So on the zylonite platform we call below function to power down and sleep -+ * wm9713 codec. -+ */ -+ p_zy_codec_ctxt->g_pfn_codec_specific_dinit(p_zy_codec_ctxt); -+ -+ } -+ -+ alsa_ts_init(); -+ -+ //mhn_mfp_set_afds(MFP_AC97_INT_N_GPIO,0,0); -+ //mhn_gpio_set_direction(MFP_AC97_INT_N_GPIO, GPIO_DIR_IN); -+ //mhn_gpio_clear_edge_detect_status(MFP_AC97_INT_N_GPIO); -+ gpio_direction_input(mfp_to_gpio(MFP_PIN_GPIO26)); -+ ret = request_irq(IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO26)), -+ pxa_touch_irq, IRQF_TRIGGER_RISING, -+ "wm9713 touch event interrupt", NULL); -+ if (ret) { -+ printk(KERN_ERR "Request IRQ for touch failed (%d).\n", ret); -+ goto err; -+ } -+ -+ return 0; -+err: -+ if (p_zy_codec_ctxt && (!--p_zy_codec_ctxt->use_count)) { -+ zy_acodec_deinit(p_zy_codec_ctxt); -+ //pxa_set_cken(24, 0); -+ CKENA &= ~(1 << 24); -+ kfree(p_zy_codec_ctxt); -+ p_zy_codec_ctxt = NULL; -+ } -+ -+ if (card) -+ snd_card_free(card); -+ -+ return ret; -+} -+ -+static int __devexit touch_codec_zy_remove(struct platform_device *dev) -+{ -+ struct snd_card *card = platform_get_drvdata(dev); -+ -+ input_unregister_device(codec_zy_ts_input); -+ -+ if (p_zy_codec_ctxt && (!--p_zy_codec_ctxt->use_count)) { -+ alsa_zy_codec_put(p_zy_codec_ctxt); -+ kfree(p_zy_codec_ctxt); -+ p_zy_codec_ctxt = NULL; -+ } -+ -+ if (card) { -+ snd_card_free(card); -+ platform_set_drvdata(dev, NULL); -+ } -+ -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+static int touch_codec_zy_suspend(struct platform_device *_dev, pm_message_t state, u32 level) -+{ -+ int ret=0; -+ -+ if (level == SUSPEND_DISABLE) { -+ ret = audio_codec_zy_do_suspend(NULL, SNDRV_CTL_POWER_D3cold, p_zy_codec_ctxt); -+ touch_suspend = 1; -+ } -+ return ret; -+} -+ -+static int touch_codec_zy_resume(struct platform_device *_dev, u32 level) -+{ -+ int ret = 0; -+ -+ if (level == RESUME_ENABLE) { -+ ret = audio_codec_zy_do_resume(NULL, SNDRV_CTL_POWER_D0, p_zy_codec_ctxt); -+ touch_suspend = 0; -+ } -+ return ret; -+} -+#else -+#define touch_codec_zy_suspend NULL -+#define touch_codec_zy_resume NULL -+#endif -+ -+static struct platform_driver touch_codec_zy_driver = { -+ .probe = touch_codec_zy_probe, -+ .remove = __devexit_p(touch_codec_zy_remove), -+ .suspend= touch_codec_zy_suspend, -+ .resume = touch_codec_zy_resume, -+ .driver = { -+ .name = "pxa2xx-touch", -+ }, -+}; -+ -+static int __init touch_codec_zy_init(void) -+{ -+ return platform_driver_register(&touch_codec_zy_driver); -+} -+ -+static void __exit touch_code_zy_exit(void) -+{ -+ platform_driver_unregister(&touch_codec_zy_driver); -+} -+module_init(touch_codec_zy_init); -+module_exit(touch_code_zy_exit); -+ -+EXPORT_SYMBOL(p_zy_codec_ctxt); -+ -+MODULE_AUTHOR("bridge.wu@marvell.com"); -+MODULE_DESCRIPTION("zylonite audio touch codec driver on ALSA"); -+MODULE_LICENSE("GPL"); -+ |