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author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-08-29 13:15:55 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-12 11:19:47 -0400 |
commit | 715a223323c8c8bcbe7739e20f6c619f7343b595 (patch) | |
tree | 0c7eddcdd3c778428fc936009af085940c0394bb /include/media/ir-common.h | |
parent | 47f7f6fb7949b6546baf4b6f26bf0ca075d12759 (diff) |
V4L/DVB (12595): common/ir: use a struct for keycode tables
Currently, V4L uses a scancode table whose index is the scancode and
the value is the keycode. While this works, it has some drawbacks:
1) It requires that the scancode to be at the range 00-7f;
2) keycodes should be masked on 7 bits in order for it to work;
3) due to the 7 bits approach, sometimes it is not possible to replace
the default keyboard to another one with a different encoding rule;
4) it is different than what is done with dvb-usb approach;
5) it requires a typedef for it to work. This is not a recommended
Linux CodingStyle.
This patch is part of a larger series of IR changes. It basically
replaces the IR_KEYTAB_TYPE tables by a structured table:
struct ir_scancode {
u16 scancode;
u32 keycode;
};
This is very close to what dvb does. So, a further integration with DVB
code will be easy.
While we've changed the tables, for now, the IR keycode handling is still
based on the old approach.
The only notable effect is the redution of about 35% of the ir-common
module size:
text data bss dec hex filename
6721 29208 4 35933 8c5d old/ir-common.ko
5756 18040 4 23800 5cf8 new/ir-common.ko
In thesis, we could be using above u8 for scancode, reducing even more the size
of the module, but defining it as u16 is more convenient, since, on dvb, each
scancode has up to 16 bits, and we currently have a few troubles with rc5, as their
scancodes are defined with more than 8 bits.
This patch itself shouldn't be doing any functional changes.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'include/media/ir-common.h')
-rw-r--r-- | include/media/ir-common.h | 141 |
1 files changed, 72 insertions, 69 deletions
diff --git a/include/media/ir-common.h b/include/media/ir-common.h index 74a7e55734f0..29f0e53cff94 100644 --- a/include/media/ir-common.h +++ b/include/media/ir-common.h | |||
@@ -31,8 +31,18 @@ | |||
31 | #define IR_TYPE_PD 2 /* Pulse distance encoded IR */ | 31 | #define IR_TYPE_PD 2 /* Pulse distance encoded IR */ |
32 | #define IR_TYPE_OTHER 99 | 32 | #define IR_TYPE_OTHER 99 |
33 | 33 | ||
34 | #define IR_KEYTAB_TYPE u32 | 34 | #define IR_KEYTAB_TYPE u32 |
35 | #define IR_KEYTAB_SIZE 128 // enougth for rc5, probably need more some day ... | 35 | #define IR_KEYTAB_SIZE 128 /* enougth for rc5, probably need more some day */ |
36 | |||
37 | struct ir_scancode { | ||
38 | u16 scancode; | ||
39 | u32 keycode; | ||
40 | }; | ||
41 | |||
42 | struct ir_scancode_table { | ||
43 | struct ir_scancode *scan; | ||
44 | int size; | ||
45 | }; | ||
36 | 46 | ||
37 | #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \ | 47 | #define IR_KEYCODE(tab,code) (((unsigned)code < IR_KEYTAB_SIZE) \ |
38 | ? tab[code] : KEY_RESERVED) | 48 | ? tab[code] : KEY_RESERVED) |
@@ -93,7 +103,7 @@ struct card_ir { | |||
93 | }; | 103 | }; |
94 | 104 | ||
95 | void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, | 105 | void ir_input_init(struct input_dev *dev, struct ir_input_state *ir, |
96 | int ir_type, IR_KEYTAB_TYPE *ir_codes); | 106 | int ir_type, struct ir_scancode_table *ir_codes); |
97 | void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir); | 107 | void ir_input_nokey(struct input_dev *dev, struct ir_input_state *ir); |
98 | void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, | 108 | void ir_input_keydown(struct input_dev *dev, struct ir_input_state *ir, |
99 | u32 ir_key, u32 ir_raw); | 109 | u32 ir_key, u32 ir_raw); |
@@ -107,70 +117,63 @@ void ir_rc5_timer_keyup(unsigned long data); | |||
107 | 117 | ||
108 | /* Keymaps to be used by other modules */ | 118 | /* Keymaps to be used by other modules */ |
109 | 119 | ||
110 | extern IR_KEYTAB_TYPE ir_codes_empty[IR_KEYTAB_SIZE]; | 120 | extern struct ir_scancode_table ir_codes_empty_table; |
111 | extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE]; | 121 | extern struct ir_scancode_table ir_codes_avermedia_table; |
112 | extern IR_KEYTAB_TYPE ir_codes_avermedia_dvbt[IR_KEYTAB_SIZE]; | 122 | extern struct ir_scancode_table ir_codes_avermedia_dvbt_table; |
113 | extern IR_KEYTAB_TYPE ir_codes_avermedia_m135a[IR_KEYTAB_SIZE]; | 123 | extern struct ir_scancode_table ir_codes_avermedia_m135a_table; |
114 | extern IR_KEYTAB_TYPE ir_codes_avermedia_cardbus[IR_KEYTAB_SIZE]; | 124 | extern struct ir_scancode_table ir_codes_avermedia_cardbus_table; |
115 | extern IR_KEYTAB_TYPE ir_codes_apac_viewcomp[IR_KEYTAB_SIZE]; | 125 | extern struct ir_scancode_table ir_codes_apac_viewcomp_table; |
116 | extern IR_KEYTAB_TYPE ir_codes_pixelview[IR_KEYTAB_SIZE]; | 126 | extern struct ir_scancode_table ir_codes_pixelview_table; |
117 | extern IR_KEYTAB_TYPE ir_codes_pixelview_new[IR_KEYTAB_SIZE]; | 127 | extern struct ir_scancode_table ir_codes_pixelview_new_table; |
118 | extern IR_KEYTAB_TYPE ir_codes_nebula[IR_KEYTAB_SIZE]; | 128 | extern struct ir_scancode_table ir_codes_nebula_table; |
119 | extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvb_t[IR_KEYTAB_SIZE]; | 129 | extern struct ir_scancode_table ir_codes_dntv_live_dvb_t_table; |
120 | extern IR_KEYTAB_TYPE ir_codes_iodata_bctv7e[IR_KEYTAB_SIZE]; | 130 | extern struct ir_scancode_table ir_codes_iodata_bctv7e_table; |
121 | extern IR_KEYTAB_TYPE ir_codes_adstech_dvb_t_pci[IR_KEYTAB_SIZE]; | 131 | extern struct ir_scancode_table ir_codes_adstech_dvb_t_pci_table; |
122 | extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere[IR_KEYTAB_SIZE]; | 132 | extern struct ir_scancode_table ir_codes_msi_tvanywhere_table; |
123 | extern IR_KEYTAB_TYPE ir_codes_cinergy_1400[IR_KEYTAB_SIZE]; | 133 | extern struct ir_scancode_table ir_codes_cinergy_1400_table; |
124 | extern IR_KEYTAB_TYPE ir_codes_avertv_303[IR_KEYTAB_SIZE]; | 134 | extern struct ir_scancode_table ir_codes_avertv_303_table; |
125 | extern IR_KEYTAB_TYPE ir_codes_dntv_live_dvbt_pro[IR_KEYTAB_SIZE]; | 135 | extern struct ir_scancode_table ir_codes_dntv_live_dvbt_pro_table; |
126 | extern IR_KEYTAB_TYPE ir_codes_em_terratec[IR_KEYTAB_SIZE]; | 136 | extern struct ir_scancode_table ir_codes_em_terratec_table; |
127 | extern IR_KEYTAB_TYPE ir_codes_pinnacle_grey[IR_KEYTAB_SIZE]; | 137 | extern struct ir_scancode_table ir_codes_pinnacle_grey_table; |
128 | extern IR_KEYTAB_TYPE ir_codes_flyvideo[IR_KEYTAB_SIZE]; | 138 | extern struct ir_scancode_table ir_codes_flyvideo_table; |
129 | extern IR_KEYTAB_TYPE ir_codes_flydvb[IR_KEYTAB_SIZE]; | 139 | extern struct ir_scancode_table ir_codes_flydvb_table; |
130 | extern IR_KEYTAB_TYPE ir_codes_cinergy[IR_KEYTAB_SIZE]; | 140 | extern struct ir_scancode_table ir_codes_cinergy_table; |
131 | extern IR_KEYTAB_TYPE ir_codes_eztv[IR_KEYTAB_SIZE]; | 141 | extern struct ir_scancode_table ir_codes_eztv_table; |
132 | extern IR_KEYTAB_TYPE ir_codes_avermedia[IR_KEYTAB_SIZE]; | 142 | extern struct ir_scancode_table ir_codes_avermedia_table; |
133 | extern IR_KEYTAB_TYPE ir_codes_videomate_tv_pvr[IR_KEYTAB_SIZE]; | 143 | extern struct ir_scancode_table ir_codes_videomate_tv_pvr_table; |
134 | extern IR_KEYTAB_TYPE ir_codes_manli[IR_KEYTAB_SIZE]; | 144 | extern struct ir_scancode_table ir_codes_manli_table; |
135 | extern IR_KEYTAB_TYPE ir_codes_gotview7135[IR_KEYTAB_SIZE]; | 145 | extern struct ir_scancode_table ir_codes_gotview7135_table; |
136 | extern IR_KEYTAB_TYPE ir_codes_purpletv[IR_KEYTAB_SIZE]; | 146 | extern struct ir_scancode_table ir_codes_purpletv_table; |
137 | extern IR_KEYTAB_TYPE ir_codes_pctv_sedna[IR_KEYTAB_SIZE]; | 147 | extern struct ir_scancode_table ir_codes_pctv_sedna_table; |
138 | extern IR_KEYTAB_TYPE ir_codes_pv951[IR_KEYTAB_SIZE]; | 148 | extern struct ir_scancode_table ir_codes_pv951_table; |
139 | extern IR_KEYTAB_TYPE ir_codes_rc5_tv[IR_KEYTAB_SIZE]; | 149 | extern struct ir_scancode_table ir_codes_rc5_tv_table; |
140 | extern IR_KEYTAB_TYPE ir_codes_winfast[IR_KEYTAB_SIZE]; | 150 | extern struct ir_scancode_table ir_codes_winfast_table; |
141 | extern IR_KEYTAB_TYPE ir_codes_pinnacle_color[IR_KEYTAB_SIZE]; | 151 | extern struct ir_scancode_table ir_codes_pinnacle_color_table; |
142 | extern IR_KEYTAB_TYPE ir_codes_hauppauge_new[IR_KEYTAB_SIZE]; | 152 | extern struct ir_scancode_table ir_codes_hauppauge_new_table; |
143 | extern IR_KEYTAB_TYPE ir_codes_npgtech[IR_KEYTAB_SIZE]; | 153 | extern struct ir_scancode_table ir_codes_npgtech_table; |
144 | extern IR_KEYTAB_TYPE ir_codes_norwood[IR_KEYTAB_SIZE]; | 154 | extern struct ir_scancode_table ir_codes_norwood_table; |
145 | extern IR_KEYTAB_TYPE ir_codes_proteus_2309[IR_KEYTAB_SIZE]; | 155 | extern struct ir_scancode_table ir_codes_proteus_2309_table; |
146 | extern IR_KEYTAB_TYPE ir_codes_budget_ci_old[IR_KEYTAB_SIZE]; | 156 | extern struct ir_scancode_table ir_codes_budget_ci_old_table; |
147 | extern IR_KEYTAB_TYPE ir_codes_asus_pc39[IR_KEYTAB_SIZE]; | 157 | extern struct ir_scancode_table ir_codes_asus_pc39_table; |
148 | extern IR_KEYTAB_TYPE ir_codes_encore_enltv[IR_KEYTAB_SIZE]; | 158 | extern struct ir_scancode_table ir_codes_encore_enltv_table; |
149 | extern IR_KEYTAB_TYPE ir_codes_encore_enltv2[IR_KEYTAB_SIZE]; | 159 | extern struct ir_scancode_table ir_codes_encore_enltv2_table; |
150 | extern IR_KEYTAB_TYPE ir_codes_tt_1500[IR_KEYTAB_SIZE]; | 160 | extern struct ir_scancode_table ir_codes_tt_1500_table; |
151 | extern IR_KEYTAB_TYPE ir_codes_fusionhdtv_mce[IR_KEYTAB_SIZE]; | 161 | extern struct ir_scancode_table ir_codes_fusionhdtv_mce_table; |
152 | extern IR_KEYTAB_TYPE ir_codes_behold[IR_KEYTAB_SIZE]; | 162 | extern struct ir_scancode_table ir_codes_behold_table; |
153 | extern IR_KEYTAB_TYPE ir_codes_behold_columbus[IR_KEYTAB_SIZE]; | 163 | extern struct ir_scancode_table ir_codes_behold_columbus_table; |
154 | extern IR_KEYTAB_TYPE ir_codes_pinnacle_pctv_hd[IR_KEYTAB_SIZE]; | 164 | extern struct ir_scancode_table ir_codes_pinnacle_pctv_hd_table; |
155 | extern IR_KEYTAB_TYPE ir_codes_genius_tvgo_a11mce[IR_KEYTAB_SIZE]; | 165 | extern struct ir_scancode_table ir_codes_genius_tvgo_a11mce_table; |
156 | extern IR_KEYTAB_TYPE ir_codes_powercolor_real_angel[IR_KEYTAB_SIZE]; | 166 | extern struct ir_scancode_table ir_codes_powercolor_real_angel_table; |
157 | extern IR_KEYTAB_TYPE ir_codes_avermedia_a16d[IR_KEYTAB_SIZE]; | 167 | extern struct ir_scancode_table ir_codes_avermedia_a16d_table; |
158 | extern IR_KEYTAB_TYPE ir_codes_encore_enltv_fm53[IR_KEYTAB_SIZE]; | 168 | extern struct ir_scancode_table ir_codes_encore_enltv_fm53_table; |
159 | extern IR_KEYTAB_TYPE ir_codes_real_audio_220_32_keys[IR_KEYTAB_SIZE]; | 169 | extern struct ir_scancode_table ir_codes_real_audio_220_32_keys_table; |
160 | extern IR_KEYTAB_TYPE ir_codes_msi_tvanywhere_plus[IR_KEYTAB_SIZE]; | 170 | extern struct ir_scancode_table ir_codes_msi_tvanywhere_plus_table; |
161 | extern IR_KEYTAB_TYPE ir_codes_ati_tv_wonder_hd_600[IR_KEYTAB_SIZE]; | 171 | extern struct ir_scancode_table ir_codes_ati_tv_wonder_hd_600_table; |
162 | extern IR_KEYTAB_TYPE ir_codes_kworld_plus_tv_analog[IR_KEYTAB_SIZE]; | 172 | extern struct ir_scancode_table ir_codes_kworld_plus_tv_analog_table; |
163 | extern IR_KEYTAB_TYPE ir_codes_kaiomy[IR_KEYTAB_SIZE]; | 173 | extern struct ir_scancode_table ir_codes_kaiomy_table; |
164 | extern IR_KEYTAB_TYPE ir_codes_dm1105_nec[IR_KEYTAB_SIZE]; | 174 | extern struct ir_scancode_table ir_codes_dm1105_nec_table; |
165 | extern IR_KEYTAB_TYPE ir_codes_evga_indtube[IR_KEYTAB_SIZE]; | 175 | extern struct ir_scancode_table ir_codes_evga_indtube_table; |
166 | extern IR_KEYTAB_TYPE ir_codes_terratec_cinergy_xs[IR_KEYTAB_SIZE]; | 176 | extern struct ir_scancode_table ir_codes_terratec_cinergy_xs_table; |
167 | extern IR_KEYTAB_TYPE ir_codes_videomate_s350[IR_KEYTAB_SIZE]; | 177 | extern struct ir_scancode_table ir_codes_videomate_s350_table; |
168 | extern IR_KEYTAB_TYPE ir_codes_gadmei_rm008z[IR_KEYTAB_SIZE]; | 178 | extern struct ir_scancode_table ir_codes_gadmei_rm008z_table; |
169 | |||
170 | #endif | 179 | #endif |
171 | |||
172 | /* | ||
173 | * Local variables: | ||
174 | * c-basic-offset: 8 | ||
175 | * End: | ||
176 | */ | ||