diff options
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/dsp56k.c | 84 |
1 files changed, 33 insertions, 51 deletions
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index a69c65283260..d716c78f0ff4 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c | |||
@@ -33,6 +33,8 @@ | |||
33 | #include <linux/mm.h> | 33 | #include <linux/mm.h> |
34 | #include <linux/init.h> | 34 | #include <linux/init.h> |
35 | #include <linux/device.h> | 35 | #include <linux/device.h> |
36 | #include <linux/firmware.h> | ||
37 | #include <linux/platform_device.h> | ||
36 | 38 | ||
37 | #include <asm/atarihw.h> | 39 | #include <asm/atarihw.h> |
38 | #include <asm/traps.h> | 40 | #include <asm/traps.h> |
@@ -92,49 +94,6 @@ | |||
92 | } \ | 94 | } \ |
93 | } | 95 | } |
94 | 96 | ||
95 | /* DSP56001 bootstrap code */ | ||
96 | static char bootstrap[] = { | ||
97 | 0x0c, 0x00, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
98 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
99 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
100 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
101 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
102 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
103 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
104 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
105 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
106 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
107 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
108 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
109 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
110 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
111 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
112 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
113 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
114 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
115 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | ||
116 | 0x00, 0x00, 0x60, 0xf4, 0x00, 0x00, 0x00, 0x4f, 0x61, 0xf4, | ||
117 | 0x00, 0x00, 0x7e, 0xa9, 0x06, 0x2e, 0x80, 0x00, 0x00, 0x47, | ||
118 | 0x07, 0xd8, 0x84, 0x07, 0x59, 0x84, 0x08, 0xf4, 0xa8, 0x00, | ||
119 | 0x00, 0x04, 0x08, 0xf4, 0xbf, 0x00, 0x0c, 0x00, 0x00, 0xfe, | ||
120 | 0xb8, 0x0a, 0xf0, 0x80, 0x00, 0x7e, 0xa9, 0x08, 0xf4, 0xa0, | ||
121 | 0x00, 0x00, 0x01, 0x08, 0xf4, 0xbe, 0x00, 0x00, 0x00, 0x0a, | ||
122 | 0xa9, 0x80, 0x00, 0x7e, 0xad, 0x08, 0x4e, 0x2b, 0x44, 0xf4, | ||
123 | 0x00, 0x00, 0x00, 0x03, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x01, | ||
124 | 0x0e, 0xa0, 0x00, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb5, 0x08, | ||
125 | 0x50, 0x2b, 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xb8, 0x08, 0x46, | ||
126 | 0x2b, 0x44, 0xf4, 0x45, 0x00, 0x00, 0x02, 0x0a, 0xf0, 0xaa, | ||
127 | 0x00, 0x7e, 0xc9, 0x20, 0x00, 0x45, 0x0a, 0xf0, 0xaa, 0x00, | ||
128 | 0x7e, 0xd0, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xc6, 0x0a, 0xa9, | ||
129 | 0x80, 0x00, 0x7e, 0xc4, 0x08, 0x58, 0x6b, 0x0a, 0xf0, 0x80, | ||
130 | 0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xcd, 0x0a, | ||
131 | 0xa9, 0x80, 0x00, 0x7e, 0xcb, 0x08, 0x58, 0xab, 0x0a, 0xf0, | ||
132 | 0x80, 0x00, 0x7e, 0xad, 0x06, 0xc6, 0x00, 0x00, 0x7e, 0xd4, | ||
133 | 0x0a, 0xa9, 0x80, 0x00, 0x7e, 0xd2, 0x08, 0x58, 0xeb, 0x0a, | ||
134 | 0xf0, 0x80, 0x00, 0x7e, 0xad}; | ||
135 | static int sizeof_bootstrap = 375; | ||
136 | |||
137 | |||
138 | static struct dsp56k_device { | 97 | static struct dsp56k_device { |
139 | unsigned long in_use; | 98 | unsigned long in_use; |
140 | long maxio, timeout; | 99 | long maxio, timeout; |
@@ -164,18 +123,40 @@ static int dsp56k_reset(void) | |||
164 | 123 | ||
165 | static int dsp56k_upload(u_char __user *bin, int len) | 124 | static int dsp56k_upload(u_char __user *bin, int len) |
166 | { | 125 | { |
126 | struct platform_device *pdev; | ||
127 | const struct firmware *fw; | ||
128 | const char fw_name[] = "dsp56k/bootstrap.bin"; | ||
129 | int err; | ||
167 | int i; | 130 | int i; |
168 | u_char *p; | 131 | |
169 | |||
170 | dsp56k_reset(); | 132 | dsp56k_reset(); |
171 | 133 | ||
172 | p = bootstrap; | 134 | pdev = platform_device_register_simple("dsp56k", 0, NULL, 0); |
173 | for (i = 0; i < sizeof_bootstrap/3; i++) { | 135 | if (IS_ERR(pdev)) { |
136 | printk(KERN_ERR "Failed to register device for \"%s\"\n", | ||
137 | fw_name); | ||
138 | return -EINVAL; | ||
139 | } | ||
140 | err = request_firmware(&fw, fw_name, &pdev->dev); | ||
141 | platform_device_unregister(pdev); | ||
142 | if (err) { | ||
143 | printk(KERN_ERR "Failed to load image \"%s\" err %d\n", | ||
144 | fw_name, err); | ||
145 | return err; | ||
146 | } | ||
147 | if (fw->size % 3) { | ||
148 | printk(KERN_ERR "Bogus length %d in image \"%s\"\n", | ||
149 | fw->size, fw_name); | ||
150 | release_firmware(fw); | ||
151 | return -EINVAL; | ||
152 | } | ||
153 | for (i = 0; i < fw->size; i = i + 3) { | ||
174 | /* tx_wait(10); */ | 154 | /* tx_wait(10); */ |
175 | dsp56k_host_interface.data.b[1] = *p++; | 155 | dsp56k_host_interface.data.b[1] = fw->data[i]; |
176 | dsp56k_host_interface.data.b[2] = *p++; | 156 | dsp56k_host_interface.data.b[2] = fw->data[i + 1]; |
177 | dsp56k_host_interface.data.b[3] = *p++; | 157 | dsp56k_host_interface.data.b[3] = fw->data[i + 2]; |
178 | } | 158 | } |
159 | release_firmware(fw); | ||
179 | for (; i < 512; i++) { | 160 | for (; i < 512; i++) { |
180 | /* tx_wait(10); */ | 161 | /* tx_wait(10); */ |
181 | dsp56k_host_interface.data.b[1] = 0; | 162 | dsp56k_host_interface.data.b[1] = 0; |
@@ -534,3 +515,4 @@ static void __exit dsp56k_cleanup_driver(void) | |||
534 | module_exit(dsp56k_cleanup_driver); | 515 | module_exit(dsp56k_cleanup_driver); |
535 | 516 | ||
536 | MODULE_LICENSE("GPL"); | 517 | MODULE_LICENSE("GPL"); |
518 | MODULE_FIRMWARE("dsp56k/bootstrap.bin"); | ||