Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1 | /* Copyright (c) 2011-2013, The Linux Foundation. All rights reserved. |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 14 | #include <linux/firmware.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 15 | #include <linux/slab.h> |
| 16 | #include <linux/err.h> |
| 17 | #include <linux/platform_device.h> |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 18 | #include <linux/miscdevice.h> |
| 19 | #include <linux/fs.h> |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 20 | #include <linux/wcnss_wlan.h> |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 21 | #include <linux/platform_data/qcom_wcnss_device.h> |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 22 | #include <linux/workqueue.h> |
| 23 | #include <linux/jiffies.h> |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 24 | #include <linux/gpio.h> |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 25 | #include <linux/wakelock.h> |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 26 | #include <linux/delay.h> |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 27 | #include <linux/of.h> |
| 28 | #include <linux/of_gpio.h> |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 29 | #include <linux/clk.h> |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 30 | #include <linux/ratelimit.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 31 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 32 | #include <mach/msm_smd.h> |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 33 | #include <mach/msm_iomap.h> |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 34 | #include <mach/subsystem_restart.h> |
| 35 | |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 36 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 37 | #include "wcnss_prealloc.h" |
| 38 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 39 | |
| 40 | #define DEVICE "wcnss_wlan" |
| 41 | #define VERSION "1.01" |
| 42 | #define WCNSS_PIL_DEVICE "wcnss" |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 43 | |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 44 | /* module params */ |
| 45 | #define WCNSS_CONFIG_UNSPECIFIED (-1) |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 46 | |
Ankur Nandwani | a451049 | 2011-08-29 15:56:23 -0700 | [diff] [blame] | 47 | static int has_48mhz_xo = WCNSS_CONFIG_UNSPECIFIED; |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 48 | module_param(has_48mhz_xo, int, S_IWUSR | S_IRUGO); |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 49 | MODULE_PARM_DESC(has_48mhz_xo, "Is an external 48 MHz XO present"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 50 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 51 | static DEFINE_SPINLOCK(reg_spinlock); |
| 52 | |
| 53 | #define MSM_RIVA_PHYS 0x03204000 |
| 54 | #define MSM_PRONTO_PHYS 0xfb21b000 |
| 55 | |
| 56 | #define RIVA_SPARE_OFFSET 0x0b4 |
| 57 | #define RIVA_SUSPEND_BIT BIT(24) |
| 58 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 59 | #define MSM_RIVA_CCU_BASE 0x03200800 |
| 60 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 61 | #define CCU_RIVA_INVALID_ADDR_OFFSET 0x100 |
| 62 | #define CCU_RIVA_LAST_ADDR0_OFFSET 0x104 |
| 63 | #define CCU_RIVA_LAST_ADDR1_OFFSET 0x108 |
| 64 | #define CCU_RIVA_LAST_ADDR2_OFFSET 0x10c |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 65 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 66 | #define MSM_PRONTO_A2XB_BASE 0xfb100400 |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 67 | #define A2XB_CFG_OFFSET 0x00 |
| 68 | #define A2XB_INT_SRC_OFFSET 0x0c |
| 69 | #define A2XB_TSTBUS_CTRL_OFFSET 0x14 |
| 70 | #define A2XB_TSTBUS_OFFSET 0x18 |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 71 | #define A2XB_ERR_INFO_OFFSET 0x1c |
| 72 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 73 | #define WCNSS_TSTBUS_CTRL_EN BIT(0) |
| 74 | #define WCNSS_TSTBUS_CTRL_AXIM (0x02 << 1) |
| 75 | #define WCNSS_TSTBUS_CTRL_CMDFIFO (0x03 << 1) |
| 76 | #define WCNSS_TSTBUS_CTRL_WRFIFO (0x04 << 1) |
| 77 | #define WCNSS_TSTBUS_CTRL_RDFIFO (0x05 << 1) |
| 78 | #define WCNSS_TSTBUS_CTRL_CTRL (0x07 << 1) |
| 79 | #define WCNSS_TSTBUS_CTRL_AXIM_CFG0 (0x00 << 6) |
| 80 | #define WCNSS_TSTBUS_CTRL_AXIM_CFG1 (0x01 << 6) |
| 81 | #define WCNSS_TSTBUS_CTRL_CTRL_CFG0 (0x00 << 12) |
| 82 | #define WCNSS_TSTBUS_CTRL_CTRL_CFG1 (0x01 << 12) |
| 83 | |
| 84 | #define MSM_PRONTO_CCPU_BASE 0xfb205050 |
| 85 | #define CCU_PRONTO_INVALID_ADDR_OFFSET 0x08 |
| 86 | #define CCU_PRONTO_LAST_ADDR0_OFFSET 0x0c |
| 87 | #define CCU_PRONTO_LAST_ADDR1_OFFSET 0x10 |
| 88 | #define CCU_PRONTO_LAST_ADDR2_OFFSET 0x14 |
| 89 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 90 | #define WCNSS_CTRL_CHANNEL "WCNSS_CTRL" |
| 91 | #define WCNSS_MAX_FRAME_SIZE 500 |
| 92 | #define WCNSS_VERSION_LEN 30 |
| 93 | |
| 94 | /* message types */ |
| 95 | #define WCNSS_CTRL_MSG_START 0x01000000 |
| 96 | #define WCNSS_VERSION_REQ (WCNSS_CTRL_MSG_START + 0) |
| 97 | #define WCNSS_VERSION_RSP (WCNSS_CTRL_MSG_START + 1) |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 98 | #define WCNSS_NVBIN_DNLD_REQ (WCNSS_CTRL_MSG_START + 2) |
| 99 | #define WCNSS_NVBIN_DNLD_RSP (WCNSS_CTRL_MSG_START + 3) |
| 100 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 101 | |
| 102 | #define VALID_VERSION(version) \ |
| 103 | ((strncmp(version, "INVALID", WCNSS_VERSION_LEN)) ? 1 : 0) |
| 104 | |
| 105 | struct smd_msg_hdr { |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 106 | unsigned int msg_type; |
| 107 | unsigned int msg_len; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 108 | }; |
| 109 | |
| 110 | struct wcnss_version { |
| 111 | struct smd_msg_hdr hdr; |
| 112 | unsigned char major; |
| 113 | unsigned char minor; |
| 114 | unsigned char version; |
| 115 | unsigned char revision; |
| 116 | }; |
| 117 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 118 | #define NVBIN_FILE "wlan/prima/WCNSS_qcom_wlan_nv.bin" |
| 119 | |
| 120 | /* |
| 121 | * On SMD channel 4K of maximum data can be transferred, including message |
| 122 | * header, so NV fragment size as next multiple of 1Kb is 3Kb. |
| 123 | */ |
| 124 | #define NV_FRAGMENT_SIZE 3072 |
| 125 | |
| 126 | /* Macro to find the total number fragments of the NV bin Image */ |
| 127 | #define TOTALFRAGMENTS(x) (((x % NV_FRAGMENT_SIZE) == 0) ? \ |
| 128 | (x / NV_FRAGMENT_SIZE) : ((x / NV_FRAGMENT_SIZE) + 1)) |
| 129 | |
| 130 | struct nvbin_dnld_req_params { |
| 131 | /* |
| 132 | * Fragment sequence number of the NV bin Image. NV Bin Image |
| 133 | * might not fit into one message due to size limitation of |
| 134 | * the SMD channel FIFO so entire NV blob is chopped into |
| 135 | * multiple fragments starting with seqeunce number 0. The |
| 136 | * last fragment is indicated by marking is_last_fragment field |
| 137 | * to 1. At receiving side, NV blobs would be concatenated |
| 138 | * together without any padding bytes in between. |
| 139 | */ |
| 140 | unsigned short frag_number; |
| 141 | |
| 142 | /* |
| 143 | * When set to 1 it indicates that no more fragments will |
| 144 | * be sent. Receiver shall send back response message after |
| 145 | * the last fragment. |
| 146 | */ |
| 147 | unsigned short is_last_fragment; |
| 148 | |
| 149 | /* NV Image size (number of bytes) */ |
| 150 | unsigned int nvbin_buffer_size; |
| 151 | |
| 152 | /* |
| 153 | * Following the 'nvbin_buffer_size', there should be |
| 154 | * nvbin_buffer_size bytes of NV bin Image i.e. |
| 155 | * uint8[nvbin_buffer_size]. |
| 156 | */ |
| 157 | }; |
| 158 | |
| 159 | struct nvbin_dnld_req_msg { |
| 160 | /* |
| 161 | * Note: The length specified in nvbin_dnld_req_msg messages |
| 162 | * should be hdr.msg_len = sizeof(nvbin_dnld_req_msg) + |
| 163 | * nvbin_buffer_size. |
| 164 | */ |
| 165 | struct smd_msg_hdr hdr; |
| 166 | struct nvbin_dnld_req_params dnld_req_params; |
| 167 | }; |
| 168 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 169 | static struct { |
| 170 | struct platform_device *pdev; |
| 171 | void *pil; |
| 172 | struct resource *mmio_res; |
| 173 | struct resource *tx_irq_res; |
| 174 | struct resource *rx_irq_res; |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 175 | struct resource *gpios_5wire; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 176 | const struct dev_pm_ops *pm_ops; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 177 | int triggered; |
| 178 | int smd_channel_ready; |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 179 | int cold_boot_done; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 180 | smd_channel_t *smd_ch; |
| 181 | unsigned char wcnss_version[WCNSS_VERSION_LEN]; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 182 | unsigned int serial_number; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 183 | int thermal_mitigation; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 184 | enum wcnss_hw_type wcnss_hw_type; |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 185 | void (*tm_notify)(struct device *, int); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 186 | struct wcnss_wlan_config wlan_config; |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 187 | struct delayed_work wcnss_work; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 188 | struct work_struct wcnssctrl_version_work; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 189 | struct work_struct wcnssctrl_nvbin_dnld_work; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 190 | struct work_struct wcnssctrl_rx_work; |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 191 | struct wake_lock wcnss_wake_lock; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 192 | void __iomem *msm_wcnss_base; |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 193 | void __iomem *riva_ccu_base; |
| 194 | void __iomem *pronto_a2xb_base; |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 195 | void __iomem *pronto_ccpu_base; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 196 | } *penv = NULL; |
| 197 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 198 | static ssize_t wcnss_serial_number_show(struct device *dev, |
| 199 | struct device_attribute *attr, char *buf) |
| 200 | { |
| 201 | if (!penv) |
| 202 | return -ENODEV; |
| 203 | |
| 204 | return scnprintf(buf, PAGE_SIZE, "%08X\n", penv->serial_number); |
| 205 | } |
| 206 | |
| 207 | static ssize_t wcnss_serial_number_store(struct device *dev, |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 208 | struct device_attribute *attr, const char *buf, size_t count) |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 209 | { |
| 210 | unsigned int value; |
| 211 | |
| 212 | if (!penv) |
| 213 | return -ENODEV; |
| 214 | |
| 215 | if (sscanf(buf, "%08X", &value) != 1) |
| 216 | return -EINVAL; |
| 217 | |
| 218 | penv->serial_number = value; |
| 219 | return count; |
| 220 | } |
| 221 | |
| 222 | static DEVICE_ATTR(serial_number, S_IRUSR | S_IWUSR, |
| 223 | wcnss_serial_number_show, wcnss_serial_number_store); |
| 224 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 225 | |
| 226 | static ssize_t wcnss_thermal_mitigation_show(struct device *dev, |
| 227 | struct device_attribute *attr, char *buf) |
| 228 | { |
| 229 | if (!penv) |
| 230 | return -ENODEV; |
| 231 | |
| 232 | return scnprintf(buf, PAGE_SIZE, "%u\n", penv->thermal_mitigation); |
| 233 | } |
| 234 | |
| 235 | static ssize_t wcnss_thermal_mitigation_store(struct device *dev, |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 236 | struct device_attribute *attr, const char *buf, size_t count) |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 237 | { |
| 238 | int value; |
| 239 | |
| 240 | if (!penv) |
| 241 | return -ENODEV; |
| 242 | |
| 243 | if (sscanf(buf, "%d", &value) != 1) |
| 244 | return -EINVAL; |
| 245 | penv->thermal_mitigation = value; |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 246 | if (penv->tm_notify) |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 247 | (penv->tm_notify)(dev, value); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 248 | return count; |
| 249 | } |
| 250 | |
| 251 | static DEVICE_ATTR(thermal_mitigation, S_IRUSR | S_IWUSR, |
| 252 | wcnss_thermal_mitigation_show, wcnss_thermal_mitigation_store); |
| 253 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 254 | |
| 255 | static ssize_t wcnss_version_show(struct device *dev, |
| 256 | struct device_attribute *attr, char *buf) |
| 257 | { |
| 258 | if (!penv) |
| 259 | return -ENODEV; |
| 260 | |
| 261 | return scnprintf(buf, PAGE_SIZE, "%s", penv->wcnss_version); |
| 262 | } |
| 263 | |
| 264 | static DEVICE_ATTR(wcnss_version, S_IRUSR, |
| 265 | wcnss_version_show, NULL); |
| 266 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 267 | /* wcnss_reset_intr() is invoked when host drivers fails to |
| 268 | * communicate with WCNSS over SMD; so logging these registers |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 269 | * helps to know WCNSS failure reason |
| 270 | */ |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 271 | void wcnss_riva_log_debug_regs(void) |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 272 | { |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 273 | void __iomem *ccu_reg; |
| 274 | u32 reg = 0; |
| 275 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 276 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_INVALID_ADDR_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 277 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 278 | pr_info_ratelimited("%s: CCU_CCPU_INVALID_ADDR %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 279 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 280 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR0_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 281 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 282 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR0 %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 283 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 284 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR1_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 285 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 286 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR1 %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 287 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 288 | ccu_reg = penv->riva_ccu_base + CCU_RIVA_LAST_ADDR2_OFFSET; |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 289 | reg = readl_relaxed(ccu_reg); |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 290 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR2 %08x\n", __func__, reg); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 291 | |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 292 | } |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 293 | EXPORT_SYMBOL(wcnss_riva_log_debug_regs); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 294 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 295 | /* Log pronto debug registers before sending reset interrupt */ |
| 296 | void wcnss_pronto_log_debug_regs(void) |
| 297 | { |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 298 | void __iomem *reg_addr, *tst_addr, *tst_ctrl_addr; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 299 | u32 reg = 0; |
| 300 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 301 | reg_addr = penv->pronto_a2xb_base + A2XB_CFG_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 302 | reg = readl_relaxed(reg_addr); |
| 303 | pr_info_ratelimited("%s: A2XB_CFG_OFFSET %08x\n", __func__, reg); |
| 304 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 305 | reg_addr = penv->pronto_a2xb_base + A2XB_INT_SRC_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 306 | reg = readl_relaxed(reg_addr); |
| 307 | pr_info_ratelimited("%s: A2XB_INT_SRC_OFFSET %08x\n", __func__, reg); |
| 308 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 309 | reg_addr = penv->pronto_a2xb_base + A2XB_ERR_INFO_OFFSET; |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 310 | reg = readl_relaxed(reg_addr); |
| 311 | pr_info_ratelimited("%s: A2XB_ERR_INFO_OFFSET %08x\n", __func__, reg); |
| 312 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 313 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_INVALID_ADDR_OFFSET; |
| 314 | reg = readl_relaxed(reg_addr); |
| 315 | pr_info_ratelimited("%s: CCU_CCPU_INVALID_ADDR %08x\n", __func__, reg); |
| 316 | |
| 317 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR0_OFFSET; |
| 318 | reg = readl_relaxed(reg_addr); |
| 319 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR0 %08x\n", __func__, reg); |
| 320 | |
| 321 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR1_OFFSET; |
| 322 | reg = readl_relaxed(reg_addr); |
| 323 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR1 %08x\n", __func__, reg); |
| 324 | |
| 325 | reg_addr = penv->pronto_ccpu_base + CCU_PRONTO_LAST_ADDR2_OFFSET; |
| 326 | reg = readl_relaxed(reg_addr); |
| 327 | pr_info_ratelimited("%s: CCU_CCPU_LAST_ADDR2 %08x\n", __func__, reg); |
| 328 | |
| 329 | tst_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_OFFSET; |
| 330 | tst_ctrl_addr = penv->pronto_a2xb_base + A2XB_TSTBUS_CTRL_OFFSET; |
| 331 | |
| 332 | /* read data FIFO */ |
| 333 | reg = 0; |
| 334 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_RDFIFO; |
| 335 | writel_relaxed(reg, tst_ctrl_addr); |
| 336 | reg = readl_relaxed(tst_addr); |
| 337 | pr_info_ratelimited("%s: Read data FIFO testbus %08x\n", |
| 338 | __func__, reg); |
| 339 | |
| 340 | /* command FIFO */ |
| 341 | reg = 0; |
| 342 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CMDFIFO; |
| 343 | writel_relaxed(reg, tst_ctrl_addr); |
| 344 | reg = readl_relaxed(tst_addr); |
| 345 | pr_info_ratelimited("%s: Command FIFO testbus %08x\n", |
| 346 | __func__, reg); |
| 347 | |
| 348 | /* write data FIFO */ |
| 349 | reg = 0; |
| 350 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_WRFIFO; |
| 351 | writel_relaxed(reg, tst_ctrl_addr); |
| 352 | reg = readl_relaxed(tst_addr); |
| 353 | pr_info_ratelimited("%s: Rrite data FIFO testbus %08x\n", |
| 354 | __func__, reg); |
| 355 | |
| 356 | /* AXIM SEL CFG0 */ |
| 357 | reg = 0; |
| 358 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_AXIM | |
| 359 | WCNSS_TSTBUS_CTRL_AXIM_CFG0; |
| 360 | writel_relaxed(reg, tst_ctrl_addr); |
| 361 | reg = readl_relaxed(tst_addr); |
| 362 | pr_info_ratelimited("%s: AXIM SEL CFG0 testbus %08x\n", |
| 363 | __func__, reg); |
| 364 | |
| 365 | /* AXIM SEL CFG1 */ |
| 366 | reg = 0; |
| 367 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_AXIM | |
| 368 | WCNSS_TSTBUS_CTRL_AXIM_CFG1; |
| 369 | writel_relaxed(reg, tst_ctrl_addr); |
| 370 | reg = readl_relaxed(tst_addr); |
| 371 | pr_info_ratelimited("%s: AXIM SEL CFG1 testbus %08x\n", |
| 372 | __func__, reg); |
| 373 | |
| 374 | /* CTRL SEL CFG0 */ |
| 375 | reg = 0; |
| 376 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CTRL | |
| 377 | WCNSS_TSTBUS_CTRL_CTRL_CFG0; |
| 378 | writel_relaxed(reg, tst_ctrl_addr); |
| 379 | reg = readl_relaxed(tst_addr); |
| 380 | pr_info_ratelimited("%s: CTRL SEL CFG0 testbus %08x\n", |
| 381 | __func__, reg); |
| 382 | |
| 383 | /* CTRL SEL CFG1 */ |
| 384 | reg = 0; |
| 385 | reg = reg | WCNSS_TSTBUS_CTRL_EN | WCNSS_TSTBUS_CTRL_CTRL | |
| 386 | WCNSS_TSTBUS_CTRL_CTRL_CFG1; |
| 387 | writel_relaxed(reg, tst_ctrl_addr); |
| 388 | reg = readl_relaxed(tst_addr); |
| 389 | pr_info_ratelimited("%s: CTRL SEL CFG1 testbus %08x\n", __func__, reg); |
| 390 | |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 391 | } |
| 392 | EXPORT_SYMBOL(wcnss_pronto_log_debug_regs); |
| 393 | |
| 394 | /* interface to reset wcnss by sending the reset interrupt */ |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 395 | void wcnss_reset_intr(void) |
| 396 | { |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 397 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) { |
| 398 | wcnss_pronto_log_debug_regs(); |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 399 | pr_err("%s: reset interrupt not supported\n", __func__); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 400 | return; |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 401 | } |
Sameer Thalappil | 1b3e611 | 2012-12-14 15:16:07 -0800 | [diff] [blame] | 402 | wcnss_riva_log_debug_regs(); |
Sameer Thalappil | 77716e5 | 2012-11-08 13:41:04 -0800 | [diff] [blame] | 403 | wmb(); |
| 404 | __raw_writel(1 << 24, MSM_APCS_GCC_BASE + 0x8); |
Sameer Thalappil | 19e0235 | 2012-09-24 15:26:12 -0700 | [diff] [blame] | 405 | } |
| 406 | EXPORT_SYMBOL(wcnss_reset_intr); |
| 407 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 408 | static int wcnss_create_sysfs(struct device *dev) |
| 409 | { |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 410 | int ret; |
| 411 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 412 | if (!dev) |
| 413 | return -ENODEV; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 414 | |
| 415 | ret = device_create_file(dev, &dev_attr_serial_number); |
| 416 | if (ret) |
| 417 | return ret; |
| 418 | |
| 419 | ret = device_create_file(dev, &dev_attr_thermal_mitigation); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 420 | if (ret) |
| 421 | goto remove_serial; |
| 422 | |
| 423 | ret = device_create_file(dev, &dev_attr_wcnss_version); |
| 424 | if (ret) |
| 425 | goto remove_thermal; |
| 426 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 427 | return 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 428 | |
| 429 | remove_thermal: |
| 430 | device_remove_file(dev, &dev_attr_thermal_mitigation); |
| 431 | remove_serial: |
| 432 | device_remove_file(dev, &dev_attr_serial_number); |
| 433 | |
| 434 | return ret; |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 435 | } |
| 436 | |
| 437 | static void wcnss_remove_sysfs(struct device *dev) |
| 438 | { |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 439 | if (dev) { |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 440 | device_remove_file(dev, &dev_attr_serial_number); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 441 | device_remove_file(dev, &dev_attr_thermal_mitigation); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 442 | device_remove_file(dev, &dev_attr_wcnss_version); |
| 443 | } |
| 444 | } |
| 445 | static void wcnss_smd_notify_event(void *data, unsigned int event) |
| 446 | { |
| 447 | int len = 0; |
| 448 | |
| 449 | if (penv != data) { |
| 450 | pr_err("wcnss: invalid env pointer in smd callback\n"); |
| 451 | return; |
| 452 | } |
| 453 | switch (event) { |
| 454 | case SMD_EVENT_DATA: |
| 455 | len = smd_read_avail(penv->smd_ch); |
| 456 | if (len < 0) |
| 457 | pr_err("wcnss: failed to read from smd %d\n", len); |
| 458 | schedule_work(&penv->wcnssctrl_rx_work); |
| 459 | break; |
| 460 | |
| 461 | case SMD_EVENT_OPEN: |
| 462 | pr_debug("wcnss: opening WCNSS SMD channel :%s", |
| 463 | WCNSS_CTRL_CHANNEL); |
| 464 | if (!VALID_VERSION(penv->wcnss_version)) |
| 465 | schedule_work(&penv->wcnssctrl_version_work); |
| 466 | break; |
| 467 | |
| 468 | case SMD_EVENT_CLOSE: |
| 469 | pr_debug("wcnss: closing WCNSS SMD channel :%s", |
| 470 | WCNSS_CTRL_CHANNEL); |
| 471 | break; |
| 472 | |
| 473 | default: |
| 474 | break; |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 475 | } |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 476 | } |
| 477 | |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 478 | static void wcnss_post_bootup(struct work_struct *work) |
| 479 | { |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 480 | pr_info("%s: Cancel APPS vote for Iris & WCNSS\n", __func__); |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 481 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 482 | /* Since WCNSS is up, cancel any APPS vote for Iris & WCNSS VREGs */ |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 483 | wcnss_wlan_power(&penv->pdev->dev, &penv->wlan_config, |
| 484 | WCNSS_WLAN_SWITCH_OFF); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 485 | |
| 486 | } |
| 487 | |
| 488 | static int |
| 489 | wcnss_pronto_gpios_config(struct device *dev, bool enable) |
| 490 | { |
| 491 | int rc = 0; |
| 492 | int i, j; |
| 493 | int WCNSS_WLAN_NUM_GPIOS = 5; |
| 494 | |
| 495 | for (i = 0; i < WCNSS_WLAN_NUM_GPIOS; i++) { |
| 496 | int gpio = of_get_gpio(dev->of_node, i); |
| 497 | if (enable) { |
| 498 | rc = gpio_request(gpio, "wcnss_wlan"); |
| 499 | if (rc) { |
| 500 | pr_err("WCNSS gpio_request %d err %d\n", |
| 501 | gpio, rc); |
| 502 | goto fail; |
| 503 | } |
| 504 | } else |
| 505 | gpio_free(gpio); |
| 506 | } |
| 507 | |
| 508 | return rc; |
| 509 | |
| 510 | fail: |
| 511 | for (j = WCNSS_WLAN_NUM_GPIOS-1; j >= 0; j--) { |
| 512 | int gpio = of_get_gpio(dev->of_node, i); |
| 513 | gpio_free(gpio); |
| 514 | } |
| 515 | return rc; |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 516 | } |
| 517 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 518 | static int |
| 519 | wcnss_gpios_config(struct resource *gpios_5wire, bool enable) |
| 520 | { |
| 521 | int i, j; |
| 522 | int rc = 0; |
| 523 | |
| 524 | for (i = gpios_5wire->start; i <= gpios_5wire->end; i++) { |
| 525 | if (enable) { |
| 526 | rc = gpio_request(i, gpios_5wire->name); |
| 527 | if (rc) { |
| 528 | pr_err("WCNSS gpio_request %d err %d\n", i, rc); |
| 529 | goto fail; |
| 530 | } |
| 531 | } else |
| 532 | gpio_free(i); |
| 533 | } |
| 534 | |
| 535 | return rc; |
| 536 | |
| 537 | fail: |
| 538 | for (j = i-1; j >= gpios_5wire->start; j--) |
| 539 | gpio_free(j); |
| 540 | return rc; |
| 541 | } |
| 542 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 543 | static int __devinit |
| 544 | wcnss_wlan_ctrl_probe(struct platform_device *pdev) |
| 545 | { |
Sameer Thalappil | 667f43f | 2011-10-10 11:12:54 -0700 | [diff] [blame] | 546 | if (!penv) |
| 547 | return -ENODEV; |
| 548 | |
| 549 | penv->smd_channel_ready = 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 550 | |
| 551 | pr_info("%s: SMD ctrl channel up\n", __func__); |
| 552 | |
David Collins | b727f7d | 2011-09-12 11:54:49 -0700 | [diff] [blame] | 553 | /* Schedule a work to do any post boot up activity */ |
| 554 | INIT_DELAYED_WORK(&penv->wcnss_work, wcnss_post_bootup); |
| 555 | schedule_delayed_work(&penv->wcnss_work, msecs_to_jiffies(10000)); |
| 556 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 557 | return 0; |
| 558 | } |
| 559 | |
Sameer Thalappil | 13f4518 | 2012-07-23 18:02:45 -0700 | [diff] [blame] | 560 | void wcnss_flush_delayed_boot_votes() |
| 561 | { |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 562 | flush_delayed_work(&penv->wcnss_work); |
Sameer Thalappil | 13f4518 | 2012-07-23 18:02:45 -0700 | [diff] [blame] | 563 | } |
| 564 | EXPORT_SYMBOL(wcnss_flush_delayed_boot_votes); |
| 565 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 566 | static int __devexit |
| 567 | wcnss_wlan_ctrl_remove(struct platform_device *pdev) |
| 568 | { |
| 569 | if (penv) |
| 570 | penv->smd_channel_ready = 0; |
| 571 | |
| 572 | pr_info("%s: SMD ctrl channel down\n", __func__); |
| 573 | |
| 574 | return 0; |
| 575 | } |
| 576 | |
| 577 | |
| 578 | static struct platform_driver wcnss_wlan_ctrl_driver = { |
| 579 | .driver = { |
| 580 | .name = "WLAN_CTRL", |
| 581 | .owner = THIS_MODULE, |
| 582 | }, |
| 583 | .probe = wcnss_wlan_ctrl_probe, |
| 584 | .remove = __devexit_p(wcnss_wlan_ctrl_remove), |
| 585 | }; |
| 586 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 587 | static int __devexit |
| 588 | wcnss_ctrl_remove(struct platform_device *pdev) |
| 589 | { |
| 590 | if (penv && penv->smd_ch) |
| 591 | smd_close(penv->smd_ch); |
| 592 | |
| 593 | return 0; |
| 594 | } |
| 595 | |
| 596 | static int __devinit |
| 597 | wcnss_ctrl_probe(struct platform_device *pdev) |
| 598 | { |
| 599 | int ret = 0; |
| 600 | |
| 601 | if (!penv) |
| 602 | return -ENODEV; |
| 603 | |
| 604 | ret = smd_named_open_on_edge(WCNSS_CTRL_CHANNEL, SMD_APPS_WCNSS, |
| 605 | &penv->smd_ch, penv, wcnss_smd_notify_event); |
| 606 | if (ret < 0) { |
| 607 | pr_err("wcnss: cannot open the smd command channel %s: %d\n", |
| 608 | WCNSS_CTRL_CHANNEL, ret); |
| 609 | return -ENODEV; |
| 610 | } |
| 611 | smd_disable_read_intr(penv->smd_ch); |
| 612 | |
| 613 | return 0; |
| 614 | } |
| 615 | |
| 616 | /* platform device for WCNSS_CTRL SMD channel */ |
| 617 | static struct platform_driver wcnss_ctrl_driver = { |
| 618 | .driver = { |
| 619 | .name = "WCNSS_CTRL", |
| 620 | .owner = THIS_MODULE, |
| 621 | }, |
| 622 | .probe = wcnss_ctrl_probe, |
| 623 | .remove = __devexit_p(wcnss_ctrl_remove), |
| 624 | }; |
| 625 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 626 | struct device *wcnss_wlan_get_device(void) |
| 627 | { |
| 628 | if (penv && penv->pdev && penv->smd_channel_ready) |
| 629 | return &penv->pdev->dev; |
| 630 | return NULL; |
| 631 | } |
| 632 | EXPORT_SYMBOL(wcnss_wlan_get_device); |
| 633 | |
Sameer Thalappil | 409ed35 | 2011-12-07 10:53:31 -0800 | [diff] [blame] | 634 | struct platform_device *wcnss_get_platform_device(void) |
| 635 | { |
| 636 | if (penv && penv->pdev) |
| 637 | return penv->pdev; |
| 638 | return NULL; |
| 639 | } |
| 640 | EXPORT_SYMBOL(wcnss_get_platform_device); |
| 641 | |
| 642 | struct wcnss_wlan_config *wcnss_get_wlan_config(void) |
| 643 | { |
| 644 | if (penv && penv->pdev) |
| 645 | return &penv->wlan_config; |
| 646 | return NULL; |
| 647 | } |
| 648 | EXPORT_SYMBOL(wcnss_get_wlan_config); |
| 649 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 650 | struct resource *wcnss_wlan_get_memory_map(struct device *dev) |
| 651 | { |
| 652 | if (penv && dev && (dev == &penv->pdev->dev) && penv->smd_channel_ready) |
| 653 | return penv->mmio_res; |
| 654 | return NULL; |
| 655 | } |
| 656 | EXPORT_SYMBOL(wcnss_wlan_get_memory_map); |
| 657 | |
| 658 | int wcnss_wlan_get_dxe_tx_irq(struct device *dev) |
| 659 | { |
| 660 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 661 | penv->tx_irq_res && penv->smd_channel_ready) |
| 662 | return penv->tx_irq_res->start; |
| 663 | return WCNSS_WLAN_IRQ_INVALID; |
| 664 | } |
| 665 | EXPORT_SYMBOL(wcnss_wlan_get_dxe_tx_irq); |
| 666 | |
| 667 | int wcnss_wlan_get_dxe_rx_irq(struct device *dev) |
| 668 | { |
| 669 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 670 | penv->rx_irq_res && penv->smd_channel_ready) |
| 671 | return penv->rx_irq_res->start; |
| 672 | return WCNSS_WLAN_IRQ_INVALID; |
| 673 | } |
| 674 | EXPORT_SYMBOL(wcnss_wlan_get_dxe_rx_irq); |
| 675 | |
| 676 | void wcnss_wlan_register_pm_ops(struct device *dev, |
| 677 | const struct dev_pm_ops *pm_ops) |
| 678 | { |
| 679 | if (penv && dev && (dev == &penv->pdev->dev) && pm_ops) |
| 680 | penv->pm_ops = pm_ops; |
| 681 | } |
| 682 | EXPORT_SYMBOL(wcnss_wlan_register_pm_ops); |
| 683 | |
Sameer Thalappil | ecdd100 | 2011-09-09 10:52:27 -0700 | [diff] [blame] | 684 | void wcnss_wlan_unregister_pm_ops(struct device *dev, |
| 685 | const struct dev_pm_ops *pm_ops) |
| 686 | { |
| 687 | if (penv && dev && (dev == &penv->pdev->dev) && pm_ops) { |
| 688 | if (pm_ops->suspend != penv->pm_ops->suspend || |
| 689 | pm_ops->resume != penv->pm_ops->resume) |
| 690 | pr_err("PM APIs dont match with registered APIs\n"); |
| 691 | penv->pm_ops = NULL; |
| 692 | } |
| 693 | } |
| 694 | EXPORT_SYMBOL(wcnss_wlan_unregister_pm_ops); |
| 695 | |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 696 | void wcnss_register_thermal_mitigation(struct device *dev, |
| 697 | void (*tm_notify)(struct device *, int)) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 698 | { |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 699 | if (penv && dev && tm_notify) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 700 | penv->tm_notify = tm_notify; |
| 701 | } |
| 702 | EXPORT_SYMBOL(wcnss_register_thermal_mitigation); |
| 703 | |
Sameer Thalappil | a112bbc | 2012-05-23 12:20:32 -0700 | [diff] [blame] | 704 | void wcnss_unregister_thermal_mitigation( |
| 705 | void (*tm_notify)(struct device *, int)) |
Jeff Johnson | 6137465 | 2012-04-16 20:51:48 -0700 | [diff] [blame] | 706 | { |
| 707 | if (penv && tm_notify) { |
| 708 | if (tm_notify != penv->tm_notify) |
| 709 | pr_err("tm_notify doesn't match registered\n"); |
| 710 | penv->tm_notify = NULL; |
| 711 | } |
| 712 | } |
| 713 | EXPORT_SYMBOL(wcnss_unregister_thermal_mitigation); |
| 714 | |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 715 | unsigned int wcnss_get_serial_number(void) |
| 716 | { |
| 717 | if (penv) |
| 718 | return penv->serial_number; |
| 719 | return 0; |
| 720 | } |
| 721 | EXPORT_SYMBOL(wcnss_get_serial_number); |
| 722 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 723 | static int enable_wcnss_suspend_notify; |
| 724 | |
| 725 | static int enable_wcnss_suspend_notify_set(const char *val, |
| 726 | struct kernel_param *kp) |
| 727 | { |
| 728 | int ret; |
| 729 | |
| 730 | ret = param_set_int(val, kp); |
| 731 | if (ret) |
| 732 | return ret; |
| 733 | |
| 734 | if (enable_wcnss_suspend_notify) |
| 735 | pr_debug("Suspend notification activated for wcnss\n"); |
| 736 | |
| 737 | return 0; |
| 738 | } |
| 739 | module_param_call(enable_wcnss_suspend_notify, enable_wcnss_suspend_notify_set, |
| 740 | param_get_int, &enable_wcnss_suspend_notify, S_IRUGO | S_IWUSR); |
| 741 | |
| 742 | |
| 743 | void wcnss_suspend_notify(void) |
| 744 | { |
| 745 | void __iomem *pmu_spare_reg; |
| 746 | u32 reg = 0; |
| 747 | unsigned long flags; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 748 | |
| 749 | if (!enable_wcnss_suspend_notify) |
| 750 | return; |
| 751 | |
| 752 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) |
| 753 | return; |
| 754 | |
| 755 | /* For Riva */ |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 756 | pmu_spare_reg = penv->msm_wcnss_base + RIVA_SPARE_OFFSET; |
| 757 | spin_lock_irqsave(®_spinlock, flags); |
| 758 | reg = readl_relaxed(pmu_spare_reg); |
| 759 | reg |= RIVA_SUSPEND_BIT; |
| 760 | writel_relaxed(reg, pmu_spare_reg); |
| 761 | spin_unlock_irqrestore(®_spinlock, flags); |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 762 | } |
| 763 | EXPORT_SYMBOL(wcnss_suspend_notify); |
| 764 | |
| 765 | void wcnss_resume_notify(void) |
| 766 | { |
| 767 | void __iomem *pmu_spare_reg; |
| 768 | u32 reg = 0; |
| 769 | unsigned long flags; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 770 | |
| 771 | if (!enable_wcnss_suspend_notify) |
| 772 | return; |
| 773 | |
| 774 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) |
| 775 | return; |
| 776 | |
| 777 | /* For Riva */ |
| 778 | pmu_spare_reg = penv->msm_wcnss_base + RIVA_SPARE_OFFSET; |
| 779 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 780 | spin_lock_irqsave(®_spinlock, flags); |
| 781 | reg = readl_relaxed(pmu_spare_reg); |
| 782 | reg &= ~RIVA_SUSPEND_BIT; |
| 783 | writel_relaxed(reg, pmu_spare_reg); |
| 784 | spin_unlock_irqrestore(®_spinlock, flags); |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 785 | } |
| 786 | EXPORT_SYMBOL(wcnss_resume_notify); |
| 787 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 788 | static int wcnss_wlan_suspend(struct device *dev) |
| 789 | { |
| 790 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 791 | penv->smd_channel_ready && |
| 792 | penv->pm_ops && penv->pm_ops->suspend) |
| 793 | return penv->pm_ops->suspend(dev); |
| 794 | return 0; |
| 795 | } |
| 796 | |
| 797 | static int wcnss_wlan_resume(struct device *dev) |
| 798 | { |
| 799 | if (penv && dev && (dev == &penv->pdev->dev) && |
| 800 | penv->smd_channel_ready && |
| 801 | penv->pm_ops && penv->pm_ops->resume) |
| 802 | return penv->pm_ops->resume(dev); |
| 803 | return 0; |
| 804 | } |
| 805 | |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 806 | void wcnss_prevent_suspend() |
| 807 | { |
| 808 | if (penv) |
| 809 | wake_lock(&penv->wcnss_wake_lock); |
| 810 | } |
| 811 | EXPORT_SYMBOL(wcnss_prevent_suspend); |
| 812 | |
| 813 | void wcnss_allow_suspend() |
| 814 | { |
| 815 | if (penv) |
| 816 | wake_unlock(&penv->wcnss_wake_lock); |
| 817 | } |
| 818 | EXPORT_SYMBOL(wcnss_allow_suspend); |
| 819 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 820 | int wcnss_hardware_type(void) |
| 821 | { |
| 822 | if (penv) |
| 823 | return penv->wcnss_hw_type; |
| 824 | else |
| 825 | return -ENODEV; |
| 826 | } |
| 827 | EXPORT_SYMBOL(wcnss_hardware_type); |
| 828 | |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 829 | int wcnss_cold_boot_done(void) |
| 830 | { |
| 831 | if (penv) |
| 832 | return penv->cold_boot_done; |
| 833 | else |
| 834 | return -ENODEV; |
| 835 | } |
| 836 | EXPORT_SYMBOL(wcnss_cold_boot_done); |
| 837 | |
| 838 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 839 | static int wcnss_smd_tx(void *data, int len) |
| 840 | { |
| 841 | int ret = 0; |
| 842 | |
| 843 | ret = smd_write_avail(penv->smd_ch); |
| 844 | if (ret < len) { |
| 845 | pr_err("wcnss: no space available for smd frame\n"); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 846 | return -ENOSPC; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 847 | } |
| 848 | ret = smd_write(penv->smd_ch, data, len); |
| 849 | if (ret < len) { |
| 850 | pr_err("wcnss: failed to write Command %d", len); |
| 851 | ret = -ENODEV; |
| 852 | } |
| 853 | return ret; |
| 854 | } |
| 855 | |
| 856 | static void wcnssctrl_rx_handler(struct work_struct *worker) |
| 857 | { |
| 858 | int len = 0; |
| 859 | int rc = 0; |
| 860 | unsigned char buf[WCNSS_MAX_FRAME_SIZE]; |
| 861 | struct smd_msg_hdr *phdr; |
| 862 | struct wcnss_version *pversion; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 863 | int hw_type; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 864 | |
| 865 | len = smd_read_avail(penv->smd_ch); |
| 866 | if (len > WCNSS_MAX_FRAME_SIZE) { |
| 867 | pr_err("wcnss: frame larger than the allowed size\n"); |
| 868 | smd_read(penv->smd_ch, NULL, len); |
| 869 | return; |
| 870 | } |
| 871 | if (len <= 0) |
| 872 | return; |
| 873 | |
| 874 | rc = smd_read(penv->smd_ch, buf, len); |
| 875 | if (rc < len) { |
| 876 | pr_err("wcnss: incomplete data read from smd\n"); |
| 877 | return; |
| 878 | } |
| 879 | |
| 880 | phdr = (struct smd_msg_hdr *)buf; |
| 881 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 882 | switch (phdr->msg_type) { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 883 | |
| 884 | case WCNSS_VERSION_RSP: |
| 885 | pversion = (struct wcnss_version *)buf; |
| 886 | if (len != sizeof(struct wcnss_version)) { |
| 887 | pr_err("wcnss: invalid version data from wcnss %d\n", |
| 888 | len); |
| 889 | return; |
| 890 | } |
| 891 | snprintf(penv->wcnss_version, WCNSS_VERSION_LEN, |
| 892 | "%02x%02x%02x%02x", pversion->major, pversion->minor, |
| 893 | pversion->version, pversion->revision); |
| 894 | pr_info("wcnss: version %s\n", penv->wcnss_version); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 895 | /* schedule work to download nvbin to ccpu */ |
| 896 | hw_type = wcnss_hardware_type(); |
| 897 | switch (hw_type) { |
| 898 | case WCNSS_RIVA_HW: |
| 899 | /* supported only if riva major >= 1 and minor >= 4 */ |
| 900 | if ((pversion->major >= 1) && (pversion->minor >= 4)) { |
| 901 | pr_info("wcnss: schedule dnld work for riva\n"); |
| 902 | schedule_work(&penv->wcnssctrl_nvbin_dnld_work); |
| 903 | } |
| 904 | break; |
| 905 | |
| 906 | case WCNSS_PRONTO_HW: |
| 907 | /* supported only if pronto major >= 1 and minor >= 4 */ |
| 908 | if ((pversion->major >= 1) && (pversion->minor >= 4)) { |
| 909 | pr_info("wcnss: schedule dnld work for pronto\n"); |
| 910 | schedule_work(&penv->wcnssctrl_nvbin_dnld_work); |
| 911 | } |
| 912 | break; |
| 913 | |
| 914 | default: |
| 915 | pr_info("wcnss: unknown hw type (%d), will not schedule dnld work\n", |
| 916 | hw_type); |
| 917 | break; |
| 918 | } |
| 919 | break; |
| 920 | |
| 921 | case WCNSS_NVBIN_DNLD_RSP: |
| 922 | pr_info("wcnss: received WCNSS_NVBIN_DNLD_RSP from ccpu\n"); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 923 | break; |
| 924 | |
| 925 | default: |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 926 | pr_err("wcnss: invalid message type %d\n", phdr->msg_type); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 927 | } |
| 928 | return; |
| 929 | } |
| 930 | |
| 931 | static void wcnss_send_version_req(struct work_struct *worker) |
| 932 | { |
| 933 | struct smd_msg_hdr smd_msg; |
| 934 | int ret = 0; |
| 935 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 936 | smd_msg.msg_type = WCNSS_VERSION_REQ; |
| 937 | smd_msg.msg_len = sizeof(smd_msg); |
| 938 | ret = wcnss_smd_tx(&smd_msg, smd_msg.msg_len); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 939 | if (ret < 0) |
| 940 | pr_err("wcnss: smd tx failed\n"); |
| 941 | |
| 942 | return; |
| 943 | } |
| 944 | |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 945 | static void wcnss_nvbin_dnld_req(struct work_struct *worker) |
| 946 | { |
| 947 | int ret = 0; |
| 948 | struct nvbin_dnld_req_msg *dnld_req_msg; |
| 949 | unsigned short total_fragments = 0; |
| 950 | unsigned short count = 0; |
| 951 | unsigned short retry_count = 0; |
| 952 | unsigned short cur_frag_size = 0; |
| 953 | unsigned char *outbuffer = NULL; |
| 954 | const void *nv_blob_addr = NULL; |
| 955 | unsigned int nv_blob_size = 0; |
| 956 | const struct firmware *nv = NULL; |
Sameer Thalappil | f0d89ba | 2013-03-11 17:33:20 -0700 | [diff] [blame] | 957 | struct device *dev = &penv->pdev->dev; |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 958 | |
| 959 | ret = request_firmware(&nv, NVBIN_FILE, dev); |
| 960 | |
| 961 | if (ret || !nv || !nv->data || !nv->size) { |
| 962 | pr_err("wcnss: wcnss_nvbin_dnld_req: request_firmware failed for %s\n", |
| 963 | NVBIN_FILE); |
| 964 | return; |
| 965 | } |
| 966 | |
| 967 | /* |
| 968 | * First 4 bytes in nv blob is validity bitmap. |
| 969 | * We cannot validate nv, so skip those 4 bytes. |
| 970 | */ |
| 971 | nv_blob_addr = nv->data + 4; |
| 972 | nv_blob_size = nv->size - 4; |
| 973 | |
| 974 | total_fragments = TOTALFRAGMENTS(nv_blob_size); |
| 975 | |
| 976 | pr_info("wcnss: NV bin size: %d, total_fragments: %d\n", |
| 977 | nv_blob_size, total_fragments); |
| 978 | |
| 979 | /* get buffer for nv bin dnld req message */ |
| 980 | outbuffer = kmalloc((sizeof(struct nvbin_dnld_req_msg) + |
| 981 | NV_FRAGMENT_SIZE), GFP_KERNEL); |
| 982 | |
| 983 | if (NULL == outbuffer) { |
| 984 | pr_err("wcnss: wcnss_nvbin_dnld_req: failed to get buffer\n"); |
| 985 | goto err_free_nv; |
| 986 | } |
| 987 | |
| 988 | dnld_req_msg = (struct nvbin_dnld_req_msg *)outbuffer; |
| 989 | |
| 990 | dnld_req_msg->hdr.msg_type = WCNSS_NVBIN_DNLD_REQ; |
| 991 | |
| 992 | for (count = 0; count < total_fragments; count++) { |
| 993 | dnld_req_msg->dnld_req_params.frag_number = count; |
| 994 | |
| 995 | if (count == (total_fragments - 1)) { |
| 996 | /* last fragment, take care of boundry condition */ |
| 997 | cur_frag_size = nv_blob_size % NV_FRAGMENT_SIZE; |
| 998 | if (!cur_frag_size) |
| 999 | cur_frag_size = NV_FRAGMENT_SIZE; |
| 1000 | |
| 1001 | dnld_req_msg->dnld_req_params.is_last_fragment = 1; |
| 1002 | } else { |
| 1003 | cur_frag_size = NV_FRAGMENT_SIZE; |
| 1004 | dnld_req_msg->dnld_req_params.is_last_fragment = 0; |
| 1005 | } |
| 1006 | |
| 1007 | dnld_req_msg->dnld_req_params.nvbin_buffer_size = |
| 1008 | cur_frag_size; |
| 1009 | |
| 1010 | dnld_req_msg->hdr.msg_len = |
| 1011 | sizeof(struct nvbin_dnld_req_msg) + cur_frag_size; |
| 1012 | |
| 1013 | /* copy NV fragment */ |
| 1014 | memcpy((outbuffer + sizeof(struct nvbin_dnld_req_msg)), |
| 1015 | (nv_blob_addr + count * NV_FRAGMENT_SIZE), |
| 1016 | cur_frag_size); |
| 1017 | |
| 1018 | ret = wcnss_smd_tx(outbuffer, dnld_req_msg->hdr.msg_len); |
| 1019 | |
| 1020 | retry_count = 0; |
| 1021 | while ((ret == -ENOSPC) && (retry_count <= 3)) { |
| 1022 | pr_debug("wcnss: wcnss_nvbin_dnld_req: smd tx failed, ENOSPC\n"); |
| 1023 | pr_debug("fragment: %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 1024 | count, dnld_req_msg->hdr.msg_len, |
| 1025 | total_fragments, retry_count); |
| 1026 | |
| 1027 | /* wait and try again */ |
| 1028 | msleep(20); |
| 1029 | retry_count++; |
| 1030 | ret = wcnss_smd_tx(outbuffer, |
| 1031 | dnld_req_msg->hdr.msg_len); |
| 1032 | } |
| 1033 | |
| 1034 | if (ret < 0) { |
| 1035 | pr_err("wcnss: wcnss_nvbin_dnld_req: smd tx failed\n"); |
| 1036 | pr_err("fragment %d, len: %d, TotFragments: %d, retry_count: %d\n", |
| 1037 | count, dnld_req_msg->hdr.msg_len, |
| 1038 | total_fragments, retry_count); |
| 1039 | goto err_dnld; |
| 1040 | } |
| 1041 | } |
| 1042 | |
| 1043 | err_dnld: |
| 1044 | /* free buffer */ |
| 1045 | kfree(outbuffer); |
| 1046 | |
| 1047 | err_free_nv: |
| 1048 | /* release firmware */ |
| 1049 | release_firmware(nv); |
| 1050 | |
| 1051 | return; |
| 1052 | } |
| 1053 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1054 | static int |
| 1055 | wcnss_trigger_config(struct platform_device *pdev) |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1056 | { |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1057 | int ret; |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 1058 | struct qcom_wcnss_opts *pdata; |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1059 | unsigned long wcnss_phys_addr; |
| 1060 | int size = 0; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1061 | int has_pronto_hw = of_property_read_bool(pdev->dev.of_node, |
| 1062 | "qcom,has_pronto_hw"); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1063 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1064 | /* make sure we are only triggered once */ |
| 1065 | if (penv->triggered) |
| 1066 | return 0; |
| 1067 | penv->triggered = 1; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1068 | |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 1069 | /* initialize the WCNSS device configuration */ |
| 1070 | pdata = pdev->dev.platform_data; |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1071 | if (WCNSS_CONFIG_UNSPECIFIED == has_48mhz_xo) { |
| 1072 | if (has_pronto_hw) { |
| 1073 | has_48mhz_xo = of_property_read_bool(pdev->dev.of_node, |
| 1074 | "qcom,has_48mhz_xo"); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1075 | } else { |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1076 | has_48mhz_xo = pdata->has_48mhz_xo; |
| 1077 | } |
| 1078 | } |
Sameer Thalappil | f00dbeb | 2013-03-01 18:33:30 -0800 | [diff] [blame] | 1079 | penv->wcnss_hw_type = (has_pronto_hw) ? WCNSS_PRONTO_HW : WCNSS_RIVA_HW; |
Ankur Nandwani | b0039b0 | 2011-08-09 14:00:45 -0700 | [diff] [blame] | 1080 | penv->wlan_config.use_48mhz_xo = has_48mhz_xo; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1081 | |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 1082 | penv->thermal_mitigation = 0; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1083 | strlcpy(penv->wcnss_version, "INVALID", WCNSS_VERSION_LEN); |
Jeff Johnson | 5fda4f8 | 2012-01-09 14:15:34 -0800 | [diff] [blame] | 1084 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 1085 | /* Configure 5 wire GPIOs */ |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1086 | if (!has_pronto_hw) { |
| 1087 | penv->gpios_5wire = platform_get_resource_byname(pdev, |
| 1088 | IORESOURCE_IO, "wcnss_gpios_5wire"); |
| 1089 | |
| 1090 | /* allocate 5-wire GPIO resources */ |
| 1091 | if (!penv->gpios_5wire) { |
| 1092 | dev_err(&pdev->dev, "insufficient IO resources\n"); |
| 1093 | ret = -ENOENT; |
| 1094 | goto fail_gpio_res; |
| 1095 | } |
| 1096 | ret = wcnss_gpios_config(penv->gpios_5wire, true); |
| 1097 | } else |
| 1098 | ret = wcnss_pronto_gpios_config(&pdev->dev, true); |
| 1099 | |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 1100 | if (ret) { |
| 1101 | dev_err(&pdev->dev, "WCNSS gpios config failed.\n"); |
| 1102 | goto fail_gpio_res; |
| 1103 | } |
| 1104 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1105 | /* power up the WCNSS */ |
| 1106 | ret = wcnss_wlan_power(&pdev->dev, &penv->wlan_config, |
| 1107 | WCNSS_WLAN_SWITCH_ON); |
| 1108 | if (ret) { |
| 1109 | dev_err(&pdev->dev, "WCNSS Power-up failed.\n"); |
| 1110 | goto fail_power; |
| 1111 | } |
| 1112 | |
| 1113 | /* trigger initialization of the WCNSS */ |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 1114 | penv->pil = subsystem_get(WCNSS_PIL_DEVICE); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1115 | if (IS_ERR(penv->pil)) { |
| 1116 | dev_err(&pdev->dev, "Peripheral Loader failed on WCNSS.\n"); |
| 1117 | ret = PTR_ERR(penv->pil); |
| 1118 | penv->pil = NULL; |
| 1119 | goto fail_pil; |
| 1120 | } |
| 1121 | |
| 1122 | /* allocate resources */ |
| 1123 | penv->mmio_res = platform_get_resource_byname(pdev, IORESOURCE_MEM, |
| 1124 | "wcnss_mmio"); |
| 1125 | penv->tx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 1126 | "wcnss_wlantx_irq"); |
| 1127 | penv->rx_irq_res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, |
| 1128 | "wcnss_wlanrx_irq"); |
| 1129 | |
| 1130 | if (!(penv->mmio_res && penv->tx_irq_res && penv->rx_irq_res)) { |
| 1131 | dev_err(&pdev->dev, "insufficient resources\n"); |
| 1132 | ret = -ENOENT; |
| 1133 | goto fail_res; |
| 1134 | } |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1135 | INIT_WORK(&penv->wcnssctrl_rx_work, wcnssctrl_rx_handler); |
| 1136 | INIT_WORK(&penv->wcnssctrl_version_work, wcnss_send_version_req); |
Sameer Thalappil | f106a68 | 2013-02-16 20:41:11 -0800 | [diff] [blame] | 1137 | INIT_WORK(&penv->wcnssctrl_nvbin_dnld_work, wcnss_nvbin_dnld_req); |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 1138 | |
Sameer Thalappil | f138da5 | 2012-07-30 12:56:37 -0700 | [diff] [blame] | 1139 | wake_lock_init(&penv->wcnss_wake_lock, WAKE_LOCK_SUSPEND, "wcnss"); |
| 1140 | |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1141 | if (wcnss_hardware_type() == WCNSS_PRONTO_HW) { |
| 1142 | size = 0x3000; |
| 1143 | wcnss_phys_addr = MSM_PRONTO_PHYS; |
| 1144 | } else { |
| 1145 | wcnss_phys_addr = MSM_RIVA_PHYS; |
| 1146 | size = SZ_256; |
| 1147 | } |
| 1148 | |
| 1149 | penv->msm_wcnss_base = ioremap(wcnss_phys_addr, size); |
| 1150 | if (!penv->msm_wcnss_base) { |
| 1151 | ret = -ENOMEM; |
| 1152 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
| 1153 | goto fail_wake; |
| 1154 | } |
| 1155 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1156 | if (wcnss_hardware_type() == WCNSS_RIVA_HW) { |
| 1157 | penv->riva_ccu_base = ioremap(MSM_RIVA_CCU_BASE, SZ_512); |
| 1158 | if (!penv->riva_ccu_base) { |
| 1159 | ret = -ENOMEM; |
| 1160 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
| 1161 | goto fail_ioremap; |
| 1162 | } |
| 1163 | } else { |
| 1164 | penv->pronto_a2xb_base = ioremap(MSM_PRONTO_A2XB_BASE, SZ_512); |
| 1165 | if (!penv->pronto_a2xb_base) { |
| 1166 | ret = -ENOMEM; |
| 1167 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
| 1168 | goto fail_ioremap; |
| 1169 | } |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 1170 | penv->pronto_ccpu_base = ioremap(MSM_PRONTO_CCPU_BASE, SZ_512); |
| 1171 | if (!penv->pronto_ccpu_base) { |
| 1172 | ret = -ENOMEM; |
| 1173 | pr_err("%s: ioremap wcnss physical failed\n", __func__); |
| 1174 | goto fail_ioremap2; |
| 1175 | } |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1176 | } |
Sameer Thalappil | cf566bb | 2013-02-26 17:10:25 -0800 | [diff] [blame] | 1177 | penv->cold_boot_done = 1; |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1178 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1179 | return 0; |
| 1180 | |
Sameer Thalappil | 16cae9b | 2013-03-04 18:02:50 -0800 | [diff] [blame] | 1181 | fail_ioremap2: |
| 1182 | iounmap(penv->pronto_a2xb_base); |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1183 | fail_ioremap: |
| 1184 | iounmap(penv->msm_wcnss_base); |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1185 | fail_wake: |
| 1186 | wake_lock_destroy(&penv->wcnss_wake_lock); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1187 | fail_res: |
| 1188 | if (penv->pil) |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 1189 | subsystem_put(penv->pil); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1190 | fail_pil: |
| 1191 | wcnss_wlan_power(&pdev->dev, &penv->wlan_config, |
| 1192 | WCNSS_WLAN_SWITCH_OFF); |
| 1193 | fail_power: |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1194 | if (has_pronto_hw) |
Sameer Thalappil | ed3f7da | 2012-11-01 12:54:01 -0700 | [diff] [blame] | 1195 | wcnss_pronto_gpios_config(&pdev->dev, false); |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1196 | else |
| 1197 | wcnss_gpios_config(penv->gpios_5wire, false); |
Ankur Nandwani | ad0d9ac | 2011-09-26 11:49:25 -0700 | [diff] [blame] | 1198 | fail_gpio_res: |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1199 | penv = NULL; |
| 1200 | return ret; |
| 1201 | } |
| 1202 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1203 | #ifndef MODULE |
| 1204 | static int wcnss_node_open(struct inode *inode, struct file *file) |
| 1205 | { |
| 1206 | struct platform_device *pdev; |
| 1207 | |
| 1208 | pr_info(DEVICE " triggered by userspace\n"); |
| 1209 | |
| 1210 | pdev = penv->pdev; |
| 1211 | return wcnss_trigger_config(pdev); |
| 1212 | } |
| 1213 | |
| 1214 | static const struct file_operations wcnss_node_fops = { |
| 1215 | .owner = THIS_MODULE, |
| 1216 | .open = wcnss_node_open, |
| 1217 | }; |
| 1218 | |
| 1219 | static struct miscdevice wcnss_misc = { |
| 1220 | .minor = MISC_DYNAMIC_MINOR, |
| 1221 | .name = DEVICE, |
| 1222 | .fops = &wcnss_node_fops, |
| 1223 | }; |
| 1224 | #endif /* ifndef MODULE */ |
| 1225 | |
| 1226 | |
| 1227 | static int __devinit |
| 1228 | wcnss_wlan_probe(struct platform_device *pdev) |
| 1229 | { |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1230 | int ret = 0; |
| 1231 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1232 | /* verify we haven't been called more than once */ |
| 1233 | if (penv) { |
| 1234 | dev_err(&pdev->dev, "cannot handle multiple devices.\n"); |
| 1235 | return -ENODEV; |
| 1236 | } |
| 1237 | |
| 1238 | /* create an environment to track the device */ |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 1239 | penv = devm_kzalloc(&pdev->dev, sizeof(*penv), GFP_KERNEL); |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1240 | if (!penv) { |
| 1241 | dev_err(&pdev->dev, "cannot allocate device memory.\n"); |
| 1242 | return -ENOMEM; |
| 1243 | } |
| 1244 | penv->pdev = pdev; |
| 1245 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1246 | /* register sysfs entries */ |
| 1247 | ret = wcnss_create_sysfs(&pdev->dev); |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 1248 | if (ret) { |
| 1249 | penv = NULL; |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1250 | return -ENOENT; |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 1251 | } |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1252 | |
| 1253 | |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1254 | #ifdef MODULE |
| 1255 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1256 | /* Since we were built as a module, we are running because |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1257 | * the module was loaded, therefore we assume userspace |
| 1258 | * applications are available to service PIL, so we can |
| 1259 | * trigger the WCNSS configuration now |
| 1260 | */ |
| 1261 | pr_info(DEVICE " probed in MODULE mode\n"); |
| 1262 | return wcnss_trigger_config(pdev); |
| 1263 | |
| 1264 | #else |
| 1265 | |
Sameer Thalappil | d3aad70 | 2013-01-22 18:52:24 -0800 | [diff] [blame] | 1266 | /* Since we were built into the kernel we'll be called as part |
Jeff Johnson | b3377e3 | 2011-11-18 23:32:27 -0800 | [diff] [blame] | 1267 | * of kernel initialization. We don't know if userspace |
| 1268 | * applications are available to service PIL at this time |
| 1269 | * (they probably are not), so we simply create a device node |
| 1270 | * here. When userspace is available it should touch the |
| 1271 | * device so that we know that WCNSS configuration can take |
| 1272 | * place |
| 1273 | */ |
| 1274 | pr_info(DEVICE " probed in built-in mode\n"); |
| 1275 | return misc_register(&wcnss_misc); |
| 1276 | |
| 1277 | #endif |
| 1278 | } |
| 1279 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1280 | static int __devexit |
| 1281 | wcnss_wlan_remove(struct platform_device *pdev) |
| 1282 | { |
Jeff Johnson | 8b1f6d0 | 2012-02-03 20:43:26 -0800 | [diff] [blame] | 1283 | wcnss_remove_sysfs(&pdev->dev); |
Sameer Thalappil | 7e61a6d | 2012-11-14 11:28:41 -0800 | [diff] [blame] | 1284 | penv = NULL; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1285 | return 0; |
| 1286 | } |
| 1287 | |
| 1288 | |
| 1289 | static const struct dev_pm_ops wcnss_wlan_pm_ops = { |
| 1290 | .suspend = wcnss_wlan_suspend, |
| 1291 | .resume = wcnss_wlan_resume, |
| 1292 | }; |
| 1293 | |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1294 | #ifdef CONFIG_WCNSS_CORE_PRONTO |
| 1295 | static struct of_device_id msm_wcnss_pronto_match[] = { |
| 1296 | {.compatible = "qcom,wcnss_wlan"}, |
| 1297 | {} |
| 1298 | }; |
| 1299 | #endif |
| 1300 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1301 | static struct platform_driver wcnss_wlan_driver = { |
| 1302 | .driver = { |
| 1303 | .name = DEVICE, |
| 1304 | .owner = THIS_MODULE, |
| 1305 | .pm = &wcnss_wlan_pm_ops, |
Sameer Thalappil | 8d686d4 | 2012-08-24 10:07:31 -0700 | [diff] [blame] | 1306 | #ifdef CONFIG_WCNSS_CORE_PRONTO |
| 1307 | .of_match_table = msm_wcnss_pronto_match, |
| 1308 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1309 | }, |
| 1310 | .probe = wcnss_wlan_probe, |
| 1311 | .remove = __devexit_p(wcnss_wlan_remove), |
| 1312 | }; |
| 1313 | |
| 1314 | static int __init wcnss_wlan_init(void) |
| 1315 | { |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 1316 | int ret = 0; |
| 1317 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1318 | platform_driver_register(&wcnss_wlan_driver); |
| 1319 | platform_driver_register(&wcnss_wlan_ctrl_driver); |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1320 | platform_driver_register(&wcnss_ctrl_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1321 | |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 1322 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 1323 | ret = wcnss_prealloc_init(); |
| 1324 | if (ret < 0) |
| 1325 | pr_err("wcnss: pre-allocation failed\n"); |
| 1326 | #endif |
| 1327 | |
| 1328 | return ret; |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1329 | } |
| 1330 | |
| 1331 | static void __exit wcnss_wlan_exit(void) |
| 1332 | { |
| 1333 | if (penv) { |
| 1334 | if (penv->pil) |
Stephen Boyd | 77db8bb | 2012-06-27 15:15:16 -0700 | [diff] [blame] | 1335 | subsystem_put(penv->pil); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1336 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1337 | |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1338 | penv = NULL; |
| 1339 | } |
| 1340 | |
Sameer Thalappil | eeb8c41 | 2012-08-10 17:17:09 -0700 | [diff] [blame] | 1341 | platform_driver_unregister(&wcnss_ctrl_driver); |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1342 | platform_driver_unregister(&wcnss_wlan_ctrl_driver); |
| 1343 | platform_driver_unregister(&wcnss_wlan_driver); |
Sameer Thalappil | 24db528 | 2012-09-10 11:58:33 -0700 | [diff] [blame] | 1344 | #ifdef CONFIG_WCNSS_MEM_PRE_ALLOC |
| 1345 | wcnss_prealloc_deinit(); |
| 1346 | #endif |
Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1347 | } |
| 1348 | |
| 1349 | module_init(wcnss_wlan_init); |
| 1350 | module_exit(wcnss_wlan_exit); |
| 1351 | |
| 1352 | MODULE_LICENSE("GPL v2"); |
| 1353 | MODULE_VERSION(VERSION); |
| 1354 | MODULE_DESCRIPTION(DEVICE "Driver"); |