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Date: Wed, 10 Jun 2015 16:25:08 +0800
From: "DusonLin" <dusonlin@....com.tw>
To: "'Dmitry Torokhov'" <dmitry.torokhov@...il.com>
Cc: <linux-kernel@...r.kernel.org>, <linux-input@...r.kernel.org>
Subject: RE: [PATCH] Input - elan_i2c: support multi ic type and iap format
Hi Dmitry,
When can I fetch the newest linux source code and make sure this patch had be merged?
Thank you
Duson
-----Original Message-----
From: Dmitry Torokhov [mailto:dmitry.torokhov@...il.com]
Sent: Tuesday, June 09, 2015 8:09 AM
To: duson
Cc: linux-kernel@...r.kernel.org; linux-input@...r.kernel.org
Subject: Re: [PATCH] Input - elan_i2c: support multi ic type and iap format
On Sun, Jun 07, 2015 at 03:34:04AM +0800, duson wrote:
> In order to support multi ic type for i2c/smbus protocol, add get ic
> type command and check fw vaild page count and signature address function.
>
> Signed-off by: Duson Lin <dusonlin@....com.tw>
Applied, thank you (but please try to convince your mailer to not use quoted printable format).
> ---
> drivers/input/mouse/elan_i2c.h | 5 ++--
> drivers/input/mouse/elan_i2c_core.c | 44 ++++++++++++++++++++++++++++++----
> drivers/input/mouse/elan_i2c_i2c.c | 5 +++-
> drivers/input/mouse/elan_i2c_smbus.c | 6 +++--
> 4 files changed, 49 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/input/mouse/elan_i2c.h
> b/drivers/input/mouse/elan_i2c.h index 6d5f8a4..ff622a1 100644
> --- a/drivers/input/mouse/elan_i2c.h
> +++ b/drivers/input/mouse/elan_i2c.h
> @@ -33,9 +33,7 @@
> #define ETP_FW_IAP_PAGE_ERR (1 << 5)
> #define ETP_FW_IAP_INTF_ERR (1 << 4)
> #define ETP_FW_PAGE_SIZE 64
> -#define ETP_FW_VAILDPAGE_COUNT 768
> #define ETP_FW_SIGNATURE_SIZE 6
> -#define ETP_FW_SIGNATURE_ADDRESS 0xBFFA
>
> struct i2c_client;
> struct completion;
> @@ -58,7 +56,8 @@ struct elan_transport_ops {
> bool max_baseliune, u8 *value);
>
> int (*get_version)(struct i2c_client *client, bool iap, u8 *version);
> - int (*get_sm_version)(struct i2c_client *client, u8 *version);
> + int (*get_sm_version)(struct i2c_client *client,
> + u8* ic_type, u8 *version);
> int (*get_checksum)(struct i2c_client *client, bool iap, u16 *csum);
> int (*get_product_id)(struct i2c_client *client, u8 *id);
>
> diff --git a/drivers/input/mouse/elan_i2c_core.c
> b/drivers/input/mouse/elan_i2c_core.c
> index fd5068b..81e7bc9 100644
> --- a/drivers/input/mouse/elan_i2c_core.c
> +++ b/drivers/input/mouse/elan_i2c_core.c
> @@ -4,7 +4,7 @@
> * Copyright (c) 2013 ELAN Microelectronics Corp.
> *
> * Author: 林政維 (Duson Lin) <dusonlin@....com.tw>
> - * Version: 1.5.7
> + * Version: 1.5.8
> *
> * Based on cyapa driver:
> * copyright (c) 2011-2012 Cypress Semiconductor, Inc.
> @@ -40,7 +40,7 @@
> #include "elan_i2c.h"
>
> #define DRIVER_NAME "elan_i2c"
> -#define ELAN_DRIVER_VERSION "1.5.7"
> +#define ELAN_DRIVER_VERSION "1.5.8"
> #define ETP_MAX_PRESSURE 255
> #define ETP_FWIDTH_REDUCE 90
> #define ETP_FINGER_WIDTH 15
> @@ -83,6 +83,9 @@ struct elan_tp_data {
> u16 fw_checksum;
> int pressure_adjustment;
> u8 mode;
> + u8 ic_type;
> + u16 fw_vaildpage_count;
> + u16 fw_signature_address;
>
> bool irq_wake;
>
> @@ -91,6 +94,28 @@ struct elan_tp_data {
> bool baseline_ready;
> };
>
> +static int elan_get_fwinfo(u8 ic_type, u16 *vaildpage_count,
> + u16 *signature_address)
> +{
> +
> + switch(ic_type) {
> + case 0x09:
> + *vaildpage_count = 768;
> + break;
> + case 0x0D:
> + *vaildpage_count = 896;
> + break;
> + default:
> + /* unknown ic type clear value */
> + *vaildpage_count = 0;
> + *signature_address = 0;
> + return -ENXIO;
> + }
> + *signature_address = (*vaildpage_count * ETP_FW_PAGE_SIZE)
> + - ETP_FW_SIGNATURE_SIZE;
> + return 0;
> +}
> +
> static int elan_enable_power(struct elan_tp_data *data) {
> int repeat = ETP_RETRY_COUNT;
> @@ -221,7 +246,8 @@ static int elan_query_device_info(struct elan_tp_data *data)
> if (error)
> return error;
>
> - error = data->ops->get_sm_version(data->client, &data->sm_version);
> + error = data->ops->get_sm_version(data->client, &data->ic_type,
> + &data->sm_version);
> if (error)
> return error;
>
> @@ -234,6 +260,14 @@ static int elan_query_device_info(struct elan_tp_data *data)
> if (error)
> return error;
>
> + error = elan_get_fwinfo(data->ic_type, &data->fw_vaildpage_count,
> + &data->fw_signature_address);
> + if (error) {
> + dev_err(&data->client->dev,
> + "unknown ic type %d\n", data->ic_type);
> + return error;
> + }
> +
> return 0;
> }
>
> @@ -318,7 +352,7 @@ static int __elan_update_firmware(struct elan_tp_data *data,
> iap_start_addr = get_unaligned_le16(&fw->data[ETP_IAP_START_ADDR *
> 2]);
>
> boot_page_count = (iap_start_addr * 2) / ETP_FW_PAGE_SIZE;
> - for (i = boot_page_count; i < ETP_FW_VAILDPAGE_COUNT; i++) {
> + for (i = boot_page_count; i < data->fw_vaildpage_count; i++) {
> u16 checksum = 0;
> const u8 *page = &fw->data[i * ETP_FW_PAGE_SIZE];
>
> @@ -454,7 +488,7 @@ static ssize_t elan_sysfs_update_fw(struct device *dev,
> }
>
> /* Firmware file must match signature data */
> - fw_signature = &fw->data[ETP_FW_SIGNATURE_ADDRESS];
> + fw_signature = &fw->data[data->fw_signature_address];
> if (memcmp(fw_signature, signature, sizeof(signature)) != 0) {
> dev_err(dev, "signature mismatch (expected %*ph, got %*ph)\n",
> (int)sizeof(signature), signature, diff --git
> a/drivers/input/mouse/elan_i2c_i2c.c
> b/drivers/input/mouse/elan_i2c_i2c.c
> index a0acbbf..549cdfb 100644
> --- a/drivers/input/mouse/elan_i2c_i2c.c
> +++ b/drivers/input/mouse/elan_i2c_i2c.c
> @@ -259,7 +259,8 @@ static int elan_i2c_get_version(struct i2c_client *client,
> return 0;
> }
>
> -static int elan_i2c_get_sm_version(struct i2c_client *client, u8
> *version)
> +static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *ic_type,
> + u8 *version)
> {
> int error;
> u8 val[3];
> @@ -271,9 +272,11 @@ static int elan_i2c_get_sm_version(struct i2c_client *client, u8 *version)
> }
>
> *version = val[0];
> + *ic_type = val[1];
> return 0;
> }
>
> +
> static int elan_i2c_get_product_id(struct i2c_client *client, u8 *id)
> {
> int error;
> diff --git a/drivers/input/mouse/elan_i2c_smbus.c
> b/drivers/input/mouse/elan_i2c_smbus.c
> index 30ab80d..c28caef 100644
> --- a/drivers/input/mouse/elan_i2c_smbus.c
> +++ b/drivers/input/mouse/elan_i2c_smbus.c
> @@ -165,7 +165,8 @@ static int elan_smbus_get_version(struct i2c_client *client,
> return 0;
> }
>
> -static int elan_smbus_get_sm_version(struct i2c_client *client, u8
> *version)
> +static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *ic_type,
> + u8 *version)
> {
> int error;
> u8 val[3];
> @@ -177,7 +178,8 @@ static int elan_smbus_get_sm_version(struct i2c_client *client, u8 *version)
> return error;
> }
>
> - *version = val[0]; /* XXX Why 0 and not 2 as in IAP/FW versions? */
> + *version = val[0];
> + *ic_type = val[1];
> return 0;
> }
--
Dmitry
--
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