Woz

/* arch/arm/mach-msm/htc_acoustic.c

 *

 * Copyright (C) 2007-2008 HTC Corporation

 * Author: Laurence Chen <Laurence_Chen@htc.com>

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */

#include <linux/device.h>

#include <linux/fs.h>

#include <linux/module.h>

#include <linux/miscdevice.h>

#include <linux/mm.h>

#include <linux/err.h>

#include <linux/delay.h>

#include <linux/kernel.h>

#include <linux/uaccess.h>

#include <linux/io.h>

#include <linux/mutex.h>

 

#include <mach/msm_smd.h>

#include <mach/msm_rpcrouter.h>

#include <mach/msm_iomap.h>

#include <asm/mach-types.h>

#include "proc_comm_wince.h"

 

#include "smd_private.h"

 

#define ACOUSTIC_IOCTL_MAGIC 'p'

#define ACOUSTIC_ARM11_DONE     _IOW(ACOUSTIC_IOCTL_MAGIC, 22, unsigned int)

 

#define HTCRPOG 0x30100002

#define HTCVERS 0

#define ONCRPC_SET_MIC_BIAS_PROC       (1)

#define ONCRPC_ACOUSTIC_INIT_PROC      (5)

#define ONCRPC_ALLOC_ACOUSTIC_MEM_PROC (6)

 

#define HTC_ACOUSTIC_TABLE_SIZE        (0x10000)

 

#define D(fmt, args...) printk(KERN_INFO "htc-acoustic: "fmt, ##args)

#define E(fmt, args...) printk(KERN_ERR "htc-acoustic: "fmt, ##args)

 

struct set_smem_req {

        struct rpc_request_hdr hdr;

        uint32_t size;

};

 

struct set_smem_rep {

        struct rpc_reply_hdr hdr;

        int n;

};

 

struct set_acoustic_req {

        struct rpc_request_hdr hdr;

};

 

struct set_acoustic_rep {

        struct rpc_reply_hdr hdr;

        int n;

};

 

static uint32_t htc_acoustic_vir_addr;

static struct msm_rpc_endpoint *endpoint = NULL;

static struct mutex api_lock;

static struct mutex rpc_connect_mutex;

static unsigned int mic_offset;

 

int turn_mic_bias_on(int on)

{

        struct msm_dex_command dex;

        unsigned int i;

        printk("Turnin mic bias on %d\n", on);

 

        printk("acoustic dump: you know you want it\n");

        printk("unsigned int audparms[] = {\n");

/*

        for(i=0; i < 1024; i++)

        {

                if(i%5==0)

                        printk("\t");

                printk("0x%8.8X,",readl(MSM_SHARED_RAM_BASE + 0xfc200 + i*4));

                if(i%5==4)

                        printk("\n");

        }

*/

        unsigned int audparms[] = {0x301000E1,0x00000001,0x00000001,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000001,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000001,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x40000005,

                                0x00004000,0x00004000,0x7F650000,0x07800000,0x1B0CFF9A,

                                0x01ECF333,0x200AFFEE,0x00007F65,0x0000ED00,0x7F650000,

                                0x07800000,0x1B0CFF9A,0x01ECF333,0x200AFFEE,0x7FFF7F65,

                                0x7FFF0800,0x0000149F,0x08000014,0x20002000,0x004600FA,

                                0x02FF0001,0x00200040,0x00404650,0x080041A0,0x4E200063,

                                0x00014E20,0x17704A38,0x01000000,0x04000100,0x04000200,

                                0x02580300,0x1CA80190,0x2EE001C2,0x00000FA0,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00020000,0x00020002,0x00000002,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00020000,0x00020002,

                                0xFFFF0002,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000,

                                0x00000000,0x00000000,0x00000000,0x00000000,0x00000000};

                                   

        for(i=0; i < 175; i++)

        {

                writel(audparms[i],MSM_SHARED_RAM_BASE + 0xfc200 + i*4);

        }

 

       

        printk("DBGTABLE 0x%X, 0x%X, 0x%X, 0x%X\n", audparms[0x138>>2], audparms[0x188>>2], audparms[0x228>>2], audparms[0x230>>2]);

        dex.cmd=PCOM_UPDATE_AUDIO;

        dex.has_data=1;

 

        /*  enable handset mic */

        *(unsigned *)(MSM_SHARED_RAM_BASE+mic_offset)=0xffff0080 | (on?0x100:0);

        //*(unsigned *)(MSM_SHARED_RAM_BASE+mic_offset)=0x93009307;

        //*(unsigned *)(MSM_SHARED_RAM_BASE+mic_offset+0x4)=0x93019307;

        //*(unsigned *)(MSM_SHARED_RAM_BASE+mic_offset+0x8)=0xFFFF0000;

 

        dex.data=0x10;

        msm_proc_comm_wince(&dex,0);

 

        /* some devices needs pm_mic_en */

        if (machine_is_htcdiamond_cdma() || machine_is_htcraphael_cdma() || machine_is_htcraphael_cdma500() || machine_is_htckovsky())

        {

                int ret;

                struct {

                        struct rpc_request_hdr hdr;

                        uint32_t data;

                } req;

 

                if (!endpoint)

                        endpoint = msm_rpc_connect(0x30000061, 0x0, 0);

                if (!endpoint) {

                        printk("Couldn't open rpc endpoint\n");

                        return -EIO;

                }

                req.data=cpu_to_be32(0x1);

                ret = msm_rpc_call(endpoint, 0x1c, &req, sizeof(req), 5 * HZ);

        }

 

        return 0;

}

 

EXPORT_SYMBOL(turn_mic_bias_on);

 

static int acoustic_mmap(struct file *file, struct vm_area_struct *vma)

{

        unsigned long pgoff, delta;

        int rc = -EINVAL;

        size_t size;

 

        D("mmap\n");

 

        mutex_lock(&api_lock);

 

        size = vma->vm_end - vma->vm_start;

 

        if (vma->vm_pgoff != 0) {

                E("mmap failed: page offset %lx\n", vma->vm_pgoff);

                goto done;

        }

 

        if (!htc_acoustic_vir_addr) {

                E("mmap failed: smem region not allocated\n");

                rc = -EIO;

                goto done;

        }

 

        pgoff = MSM_SHARED_RAM_PHYS +

                (htc_acoustic_vir_addr - (uint32_t)MSM_SHARED_RAM_BASE);

        delta = PAGE_ALIGN(pgoff) - pgoff;

 

        if (size + delta > HTC_ACOUSTIC_TABLE_SIZE) {

                E("mmap failed: size %d\n", size);

                goto done;

        }

 

        pgoff += delta;

        vma->vm_flags |= VM_IO | VM_RESERVED;

 

        rc = io_remap_pfn_range(vma, vma->vm_start, pgoff >> PAGE_SHIFT,

                      size, vma->vm_page_prot);

 

        if (rc < 0)

                E("mmap failed: remap error %d\n", rc);

 

done:   mutex_unlock(&api_lock);

        return rc;

}

 

static int acoustic_open(struct inode *inode, struct file *file)

{

        int rc = -EIO;

        struct set_smem_req req_smem;

        struct set_smem_rep rep_smem;

 

        D("open\n");

 

        mutex_lock(&api_lock);

 

        BUG_ON(!htc_acoustic_vir_addr);

 

        rc = 0;

done:

        mutex_unlock(&api_lock);

        return rc;

}

 

static int acoustic_release(struct inode *inode, struct file *file)

{

        D("release\n");

        return 0;

}

 

static long acoustic_ioctl(struct file *file, unsigned int cmd,

                           unsigned long arg)

{

        int rc, reply_value;

        struct set_acoustic_req req;

        struct set_acoustic_rep rep;

 

        D("ioctl\n");

 

        mutex_lock(&api_lock);

 

        switch (cmd) {

        case ACOUSTIC_ARM11_DONE:

                D("ioctl: ACOUSTIC_ARM11_DONE called %d.\n", current->pid);

                struct msm_dex_command dex;

                dex.cmd=PCOM_UPDATE_AUDIO;

                dex.has_data=1;

                dex.data=0x10;

                msm_proc_comm_wince(&dex,0);

                break;

        default:

                E("ioctl: invalid command\n");

                rc = -EINVAL;

        }

 

        mutex_unlock(&api_lock);

        return 0;

}

 

 

static struct file_operations acoustic_fops = {

        .owner = THIS_MODULE,

        .open = acoustic_open,

        .release = acoustic_release,

        .mmap = acoustic_mmap,

        .unlocked_ioctl = acoustic_ioctl,

};

 

static struct miscdevice acoustic_misc = {

        .minor = MISC_DYNAMIC_MINOR,

        .name = "htc-acoustic",

        .fops = &acoustic_fops,

};

 

static int __init acoustic_init(void)

{

        switch(__machine_arch_type) {

                case MACH_TYPE_HTCTOPAZ:

                case MACH_TYPE_HTCRHODIUM:

                        htc_acoustic_vir_addr=(void *)(MSM_SHARED_RAM_BASE+0xfc300);

                        mic_offset = 0xfb9c0;

                        break;

                case MACH_TYPE_HTCRAPHAEL:

                case MACH_TYPE_HTCDIAMOND_CDMA:

                case MACH_TYPE_HTCDIAMOND:

                case MACH_TYPE_HTCBLACKSTONE:

                case MACH_TYPE_HTCRAPHAEL_CDMA:

                case MACH_TYPE_HTCRAPHAEL_CDMA500:

                case MACH_TYPE_HTCKOVSKY:

                        mic_offset = 0xfed00;

                        htc_acoustic_vir_addr=(void *)(MSM_SHARED_RAM_BASE+0xfc300);

                        break;

                default:

                        printk(KERN_ERR "Unsupported device for htc_acoustic driver\n");

                        return -1;

                        break;

        }

        mutex_init(&api_lock);

        mutex_init(&rpc_connect_mutex);

        //No seriously, you don't want htc_acoustic yet.

        //Most likely needs a rewritten libhtc_acoustic

        //return misc_register(&acoustic_misc);

        return 0;

}

 

static void __exit acoustic_exit(void)

{

        misc_deregister(&acoustic_misc);

}

 

module_init(acoustic_init);

module_exit(acoustic_exit);

 

MODULE_AUTHOR("Laurence Chen <Laurence_Chen@htc.com>");

MODULE_DESCRIPTION("HTC acoustic driver");

MODULE_LICENSE("GPL");